forked from Minki/linux
5187 lines
138 KiB
C
5187 lines
138 KiB
C
/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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*
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*
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* This driver is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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#include <linux/mutex.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include "hda_codec.h"
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#include <sound/asoundef.h>
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#include <sound/tlv.h>
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#include <sound/initval.h>
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#include <sound/jack.h>
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#include "hda_local.h"
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#include "hda_beep.h"
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#include "hda_jack.h"
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#include <sound/hda_hwdep.h>
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#define CREATE_TRACE_POINTS
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#include "hda_trace.h"
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/*
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* vendor / preset table
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*/
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struct hda_vendor_id {
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unsigned int id;
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const char *name;
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};
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/* codec vendor labels */
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static struct hda_vendor_id hda_vendor_ids[] = {
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{ 0x1002, "ATI" },
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{ 0x1013, "Cirrus Logic" },
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{ 0x1057, "Motorola" },
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{ 0x1095, "Silicon Image" },
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{ 0x10de, "Nvidia" },
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{ 0x10ec, "Realtek" },
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{ 0x1102, "Creative" },
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{ 0x1106, "VIA" },
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{ 0x111d, "IDT" },
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{ 0x11c1, "LSI" },
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{ 0x11d4, "Analog Devices" },
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{ 0x13f6, "C-Media" },
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{ 0x14f1, "Conexant" },
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{ 0x17e8, "Chrontel" },
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{ 0x1854, "LG" },
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{ 0x1aec, "Wolfson Microelectronics" },
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{ 0x434d, "C-Media" },
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{ 0x8086, "Intel" },
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{ 0x8384, "SigmaTel" },
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{} /* terminator */
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};
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static DEFINE_MUTEX(preset_mutex);
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static LIST_HEAD(hda_preset_tables);
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int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
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{
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mutex_lock(&preset_mutex);
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list_add_tail(&preset->list, &hda_preset_tables);
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mutex_unlock(&preset_mutex);
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return 0;
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}
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EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
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int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
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{
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mutex_lock(&preset_mutex);
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list_del(&preset->list);
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mutex_unlock(&preset_mutex);
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return 0;
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}
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EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
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#ifdef CONFIG_PM
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static void hda_power_work(struct work_struct *work);
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static void hda_keep_power_on(struct hda_codec *codec);
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#define hda_codec_is_power_on(codec) ((codec)->power_on)
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static inline void hda_call_pm_notify(struct hda_bus *bus, bool power_up)
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{
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if (bus->ops.pm_notify)
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bus->ops.pm_notify(bus, power_up);
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}
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#else
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static inline void hda_keep_power_on(struct hda_codec *codec) {}
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#define hda_codec_is_power_on(codec) 1
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#define hda_call_pm_notify(bus, state) {}
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#endif
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/**
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* snd_hda_get_jack_location - Give a location string of the jack
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* @cfg: pin default config value
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*
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* Parse the pin default config value and returns the string of the
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* jack location, e.g. "Rear", "Front", etc.
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*/
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const char *snd_hda_get_jack_location(u32 cfg)
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{
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static char *bases[7] = {
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"N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
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};
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static unsigned char specials_idx[] = {
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0x07, 0x08,
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0x17, 0x18, 0x19,
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0x37, 0x38
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};
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static char *specials[] = {
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"Rear Panel", "Drive Bar",
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"Riser", "HDMI", "ATAPI",
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"Mobile-In", "Mobile-Out"
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};
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int i;
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cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
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if ((cfg & 0x0f) < 7)
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return bases[cfg & 0x0f];
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for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
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if (cfg == specials_idx[i])
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return specials[i];
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}
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return "UNKNOWN";
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
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/**
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* snd_hda_get_jack_connectivity - Give a connectivity string of the jack
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* @cfg: pin default config value
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*
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* Parse the pin default config value and returns the string of the
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* jack connectivity, i.e. external or internal connection.
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*/
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const char *snd_hda_get_jack_connectivity(u32 cfg)
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{
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static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
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return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
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/**
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* snd_hda_get_jack_type - Give a type string of the jack
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* @cfg: pin default config value
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*
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* Parse the pin default config value and returns the string of the
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* jack type, i.e. the purpose of the jack, such as Line-Out or CD.
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*/
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const char *snd_hda_get_jack_type(u32 cfg)
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{
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static char *jack_types[16] = {
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"Line Out", "Speaker", "HP Out", "CD",
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"SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
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"Line In", "Aux", "Mic", "Telephony",
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"SPDIF In", "Digitial In", "Reserved", "Other"
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};
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return jack_types[(cfg & AC_DEFCFG_DEVICE)
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>> AC_DEFCFG_DEVICE_SHIFT];
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
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/*
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* Compose a 32bit command word to be sent to the HD-audio controller
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*/
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static inline unsigned int
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make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
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unsigned int verb, unsigned int parm)
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{
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u32 val;
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if ((codec->addr & ~0xf) || (direct & ~1) || (nid & ~0x7f) ||
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(verb & ~0xfff) || (parm & ~0xffff)) {
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printk(KERN_ERR "hda-codec: out of range cmd %x:%x:%x:%x:%x\n",
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codec->addr, direct, nid, verb, parm);
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return ~0;
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}
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val = (u32)codec->addr << 28;
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val |= (u32)direct << 27;
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val |= (u32)nid << 20;
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val |= verb << 8;
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val |= parm;
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return val;
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}
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/*
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* Send and receive a verb
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*/
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static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd,
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unsigned int *res)
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{
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struct hda_bus *bus = codec->bus;
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int err;
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if (cmd == ~0)
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return -1;
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if (res)
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*res = -1;
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again:
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snd_hda_power_up(codec);
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mutex_lock(&bus->cmd_mutex);
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trace_hda_send_cmd(codec, cmd);
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err = bus->ops.command(bus, cmd);
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if (!err && res) {
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*res = bus->ops.get_response(bus, codec->addr);
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trace_hda_get_response(codec, *res);
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}
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mutex_unlock(&bus->cmd_mutex);
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snd_hda_power_down(codec);
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if (res && *res == -1 && bus->rirb_error) {
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if (bus->response_reset) {
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snd_printd("hda_codec: resetting BUS due to "
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"fatal communication error\n");
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trace_hda_bus_reset(bus);
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bus->ops.bus_reset(bus);
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}
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goto again;
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}
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/* clear reset-flag when the communication gets recovered */
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if (!err)
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bus->response_reset = 0;
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return err;
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}
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/**
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* snd_hda_codec_read - send a command and get the response
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* @codec: the HDA codec
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* @nid: NID to send the command
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* @direct: direct flag
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* @verb: the verb to send
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* @parm: the parameter for the verb
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*
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* Send a single command and read the corresponding response.
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*
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* Returns the obtained response value, or -1 for an error.
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*/
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unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
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int direct,
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unsigned int verb, unsigned int parm)
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{
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unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm);
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unsigned int res;
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if (codec_exec_verb(codec, cmd, &res))
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return -1;
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return res;
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}
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EXPORT_SYMBOL_HDA(snd_hda_codec_read);
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/**
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* snd_hda_codec_write - send a single command without waiting for response
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* @codec: the HDA codec
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* @nid: NID to send the command
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* @direct: direct flag
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* @verb: the verb to send
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* @parm: the parameter for the verb
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*
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* Send a single command without waiting for response.
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*
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* Returns 0 if successful, or a negative error code.
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*/
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int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
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unsigned int verb, unsigned int parm)
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{
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unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm);
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unsigned int res;
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return codec_exec_verb(codec, cmd,
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codec->bus->sync_write ? &res : NULL);
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}
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EXPORT_SYMBOL_HDA(snd_hda_codec_write);
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/**
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* snd_hda_sequence_write - sequence writes
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* @codec: the HDA codec
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* @seq: VERB array to send
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*
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* Send the commands sequentially from the given array.
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* The array must be terminated with NID=0.
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*/
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void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
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{
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for (; seq->nid; seq++)
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snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
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}
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EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
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/**
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* snd_hda_get_sub_nodes - get the range of sub nodes
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* @codec: the HDA codec
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* @nid: NID to parse
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* @start_id: the pointer to store the start NID
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*
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* Parse the NID and store the start NID of its sub-nodes.
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* Returns the number of sub-nodes.
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*/
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int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
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hda_nid_t *start_id)
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{
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unsigned int parm;
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parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
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if (parm == -1)
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return 0;
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*start_id = (parm >> 16) & 0x7fff;
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return (int)(parm & 0x7fff);
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
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/* look up the cached results */
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static hda_nid_t *lookup_conn_list(struct snd_array *array, hda_nid_t nid)
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{
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int i, len;
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for (i = 0; i < array->used; ) {
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hda_nid_t *p = snd_array_elem(array, i);
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if (nid == *p)
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return p;
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len = p[1];
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i += len + 2;
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}
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return NULL;
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}
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/* read the connection and add to the cache */
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static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
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{
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hda_nid_t list[HDA_MAX_CONNECTIONS];
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int len;
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len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
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if (len < 0)
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return len;
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return snd_hda_override_conn_list(codec, nid, len, list);
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}
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/**
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* snd_hda_get_connections - copy connection list
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* @codec: the HDA codec
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* @nid: NID to parse
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* @conn_list: connection list array; when NULL, checks only the size
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* @max_conns: max. number of connections to store
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*
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* Parses the connection list of the given widget and stores the list
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* of NIDs.
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*
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* Returns the number of connections, or a negative error code.
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*/
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int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
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hda_nid_t *conn_list, int max_conns)
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{
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struct snd_array *array = &codec->conn_lists;
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int len;
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hda_nid_t *p;
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bool added = false;
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again:
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mutex_lock(&codec->hash_mutex);
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len = -1;
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/* if the connection-list is already cached, read it */
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p = lookup_conn_list(array, nid);
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if (p) {
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len = p[1];
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if (conn_list && len > max_conns) {
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snd_printk(KERN_ERR "hda_codec: "
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"Too many connections %d for NID 0x%x\n",
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len, nid);
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mutex_unlock(&codec->hash_mutex);
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return -EINVAL;
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}
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if (conn_list && len)
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memcpy(conn_list, p + 2, len * sizeof(hda_nid_t));
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}
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mutex_unlock(&codec->hash_mutex);
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if (len >= 0)
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return len;
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if (snd_BUG_ON(added))
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return -EINVAL;
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len = read_and_add_raw_conns(codec, nid);
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if (len < 0)
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return len;
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added = true;
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goto again;
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}
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EXPORT_SYMBOL_HDA(snd_hda_get_connections);
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/**
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* snd_hda_get_raw_connections - copy connection list without cache
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* @codec: the HDA codec
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* @nid: NID to parse
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* @conn_list: connection list array
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* @max_conns: max. number of connections to store
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*
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* Like snd_hda_get_connections(), copy the connection list but without
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* checking through the connection-list cache.
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* Currently called only from hda_proc.c, so not exported.
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*/
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int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
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hda_nid_t *conn_list, int max_conns)
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{
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unsigned int parm;
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int i, conn_len, conns;
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unsigned int shift, num_elems, mask;
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unsigned int wcaps;
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hda_nid_t prev_nid;
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if (snd_BUG_ON(!conn_list || max_conns <= 0))
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return -EINVAL;
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wcaps = get_wcaps(codec, nid);
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if (!(wcaps & AC_WCAP_CONN_LIST) &&
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get_wcaps_type(wcaps) != AC_WID_VOL_KNB)
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return 0;
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parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
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if (parm & AC_CLIST_LONG) {
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/* long form */
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shift = 16;
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num_elems = 2;
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} else {
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/* short form */
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shift = 8;
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num_elems = 4;
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}
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conn_len = parm & AC_CLIST_LENGTH;
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mask = (1 << (shift-1)) - 1;
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if (!conn_len)
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return 0; /* no connection */
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if (conn_len == 1) {
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/* single connection */
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parm = snd_hda_codec_read(codec, nid, 0,
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AC_VERB_GET_CONNECT_LIST, 0);
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if (parm == -1 && codec->bus->rirb_error)
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return -EIO;
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conn_list[0] = parm & mask;
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return 1;
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}
|
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|
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/* multi connection */
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conns = 0;
|
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prev_nid = 0;
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for (i = 0; i < conn_len; i++) {
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int range_val;
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hda_nid_t val, n;
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if (i % num_elems == 0) {
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parm = snd_hda_codec_read(codec, nid, 0,
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AC_VERB_GET_CONNECT_LIST, i);
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if (parm == -1 && codec->bus->rirb_error)
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return -EIO;
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}
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range_val = !!(parm & (1 << (shift-1))); /* ranges */
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val = parm & mask;
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if (val == 0) {
|
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snd_printk(KERN_WARNING "hda_codec: "
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"invalid CONNECT_LIST verb %x[%i]:%x\n",
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nid, i, parm);
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return 0;
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}
|
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parm >>= shift;
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if (range_val) {
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/* ranges between the previous and this one */
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if (!prev_nid || prev_nid >= val) {
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snd_printk(KERN_WARNING "hda_codec: "
|
|
"invalid dep_range_val %x:%x\n",
|
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prev_nid, val);
|
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continue;
|
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}
|
|
for (n = prev_nid + 1; n <= val; n++) {
|
|
if (conns >= max_conns) {
|
|
snd_printk(KERN_ERR "hda_codec: "
|
|
"Too many connections %d for NID 0x%x\n",
|
|
conns, nid);
|
|
return -EINVAL;
|
|
}
|
|
conn_list[conns++] = n;
|
|
}
|
|
} else {
|
|
if (conns >= max_conns) {
|
|
snd_printk(KERN_ERR "hda_codec: "
|
|
"Too many connections %d for NID 0x%x\n",
|
|
conns, nid);
|
|
return -EINVAL;
|
|
}
|
|
conn_list[conns++] = val;
|
|
}
|
|
prev_nid = val;
|
|
}
|
|
return conns;
|
|
}
|
|
|
|
static bool add_conn_list(struct snd_array *array, hda_nid_t nid)
|
|
{
|
|
hda_nid_t *p = snd_array_new(array);
|
|
if (!p)
|
|
return false;
|
|
*p = nid;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_override_conn_list - add/modify the connection-list to cache
|
|
* @codec: the HDA codec
|
|
* @nid: NID to parse
|
|
* @len: number of connection list entries
|
|
* @list: the list of connection entries
|
|
*
|
|
* Add or modify the given connection-list to the cache. If the corresponding
|
|
* cache already exists, invalidate it and append a new one.
|
|
*
|
|
* Returns zero or a negative error code.
|
|
*/
|
|
int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
|
|
const hda_nid_t *list)
|
|
{
|
|
struct snd_array *array = &codec->conn_lists;
|
|
hda_nid_t *p;
|
|
int i, old_used;
|
|
|
|
mutex_lock(&codec->hash_mutex);
|
|
p = lookup_conn_list(array, nid);
|
|
if (p)
|
|
*p = -1; /* invalidate the old entry */
|
|
|
|
old_used = array->used;
|
|
if (!add_conn_list(array, nid) || !add_conn_list(array, len))
|
|
goto error_add;
|
|
for (i = 0; i < len; i++)
|
|
if (!add_conn_list(array, list[i]))
|
|
goto error_add;
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return 0;
|
|
|
|
error_add:
|
|
array->used = old_used;
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return -ENOMEM;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_override_conn_list);
|
|
|
|
/**
|
|
* snd_hda_get_conn_index - get the connection index of the given NID
|
|
* @codec: the HDA codec
|
|
* @mux: NID containing the list
|
|
* @nid: NID to select
|
|
* @recursive: 1 when searching NID recursively, otherwise 0
|
|
*
|
|
* Parses the connection list of the widget @mux and checks whether the
|
|
* widget @nid is present. If it is, return the connection index.
|
|
* Otherwise it returns -1.
|
|
*/
|
|
int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
|
|
hda_nid_t nid, int recursive)
|
|
{
|
|
hda_nid_t conn[HDA_MAX_NUM_INPUTS];
|
|
int i, nums;
|
|
|
|
nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
|
|
for (i = 0; i < nums; i++)
|
|
if (conn[i] == nid)
|
|
return i;
|
|
if (!recursive)
|
|
return -1;
|
|
if (recursive > 5) {
|
|
snd_printd("hda_codec: too deep connection for 0x%x\n", nid);
|
|
return -1;
|
|
}
|
|
recursive++;
|
|
for (i = 0; i < nums; i++) {
|
|
unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
|
|
if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
|
|
continue;
|
|
if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_get_conn_index);
|
|
|
|
/**
|
|
* snd_hda_queue_unsol_event - add an unsolicited event to queue
|
|
* @bus: the BUS
|
|
* @res: unsolicited event (lower 32bit of RIRB entry)
|
|
* @res_ex: codec addr and flags (upper 32bit or RIRB entry)
|
|
*
|
|
* Adds the given event to the queue. The events are processed in
|
|
* the workqueue asynchronously. Call this function in the interrupt
|
|
* hanlder when RIRB receives an unsolicited event.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
|
|
{
|
|
struct hda_bus_unsolicited *unsol;
|
|
unsigned int wp;
|
|
|
|
trace_hda_unsol_event(bus, res, res_ex);
|
|
unsol = bus->unsol;
|
|
if (!unsol)
|
|
return 0;
|
|
|
|
wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
|
|
unsol->wp = wp;
|
|
|
|
wp <<= 1;
|
|
unsol->queue[wp] = res;
|
|
unsol->queue[wp + 1] = res_ex;
|
|
|
|
queue_work(bus->workq, &unsol->work);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
|
|
|
|
/*
|
|
* process queued unsolicited events
|
|
*/
|
|
static void process_unsol_events(struct work_struct *work)
|
|
{
|
|
struct hda_bus_unsolicited *unsol =
|
|
container_of(work, struct hda_bus_unsolicited, work);
|
|
struct hda_bus *bus = unsol->bus;
|
|
struct hda_codec *codec;
|
|
unsigned int rp, caddr, res;
|
|
|
|
while (unsol->rp != unsol->wp) {
|
|
rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
|
|
unsol->rp = rp;
|
|
rp <<= 1;
|
|
res = unsol->queue[rp];
|
|
caddr = unsol->queue[rp + 1];
|
|
if (!(caddr & (1 << 4))) /* no unsolicited event? */
|
|
continue;
|
|
codec = bus->caddr_tbl[caddr & 0x0f];
|
|
if (codec && codec->patch_ops.unsol_event)
|
|
codec->patch_ops.unsol_event(codec, res);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* initialize unsolicited queue
|
|
*/
|
|
static int init_unsol_queue(struct hda_bus *bus)
|
|
{
|
|
struct hda_bus_unsolicited *unsol;
|
|
|
|
if (bus->unsol) /* already initialized */
|
|
return 0;
|
|
|
|
unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
|
|
if (!unsol) {
|
|
snd_printk(KERN_ERR "hda_codec: "
|
|
"can't allocate unsolicited queue\n");
|
|
return -ENOMEM;
|
|
}
|
|
INIT_WORK(&unsol->work, process_unsol_events);
|
|
unsol->bus = bus;
|
|
bus->unsol = unsol;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* destructor
|
|
*/
|
|
static void snd_hda_codec_free(struct hda_codec *codec);
|
|
|
|
static int snd_hda_bus_free(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec, *n;
|
|
|
|
if (!bus)
|
|
return 0;
|
|
if (bus->workq)
|
|
flush_workqueue(bus->workq);
|
|
if (bus->unsol)
|
|
kfree(bus->unsol);
|
|
list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
|
|
snd_hda_codec_free(codec);
|
|
}
|
|
if (bus->ops.private_free)
|
|
bus->ops.private_free(bus);
|
|
if (bus->workq)
|
|
destroy_workqueue(bus->workq);
|
|
kfree(bus);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_bus_dev_free(struct snd_device *device)
|
|
{
|
|
struct hda_bus *bus = device->device_data;
|
|
bus->shutdown = 1;
|
|
return snd_hda_bus_free(bus);
|
|
}
|
|
|
|
#ifdef CONFIG_SND_HDA_HWDEP
|
|
static int snd_hda_bus_dev_register(struct snd_device *device)
|
|
{
|
|
struct hda_bus *bus = device->device_data;
|
|
struct hda_codec *codec;
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
snd_hda_hwdep_add_sysfs(codec);
|
|
snd_hda_hwdep_add_power_sysfs(codec);
|
|
}
|
|
return 0;
|
|
}
|
|
#else
|
|
#define snd_hda_bus_dev_register NULL
|
|
#endif
|
|
|
|
/**
|
|
* snd_hda_bus_new - create a HDA bus
|
|
* @card: the card entry
|
|
* @temp: the template for hda_bus information
|
|
* @busp: the pointer to store the created bus instance
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
|
|
const struct hda_bus_template *temp,
|
|
struct hda_bus **busp)
|
|
{
|
|
struct hda_bus *bus;
|
|
int err;
|
|
static struct snd_device_ops dev_ops = {
|
|
.dev_register = snd_hda_bus_dev_register,
|
|
.dev_free = snd_hda_bus_dev_free,
|
|
};
|
|
|
|
if (snd_BUG_ON(!temp))
|
|
return -EINVAL;
|
|
if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
|
|
return -EINVAL;
|
|
|
|
if (busp)
|
|
*busp = NULL;
|
|
|
|
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
|
|
if (bus == NULL) {
|
|
snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
bus->card = card;
|
|
bus->private_data = temp->private_data;
|
|
bus->pci = temp->pci;
|
|
bus->modelname = temp->modelname;
|
|
bus->power_save = temp->power_save;
|
|
bus->ops = temp->ops;
|
|
|
|
mutex_init(&bus->cmd_mutex);
|
|
mutex_init(&bus->prepare_mutex);
|
|
INIT_LIST_HEAD(&bus->codec_list);
|
|
|
|
snprintf(bus->workq_name, sizeof(bus->workq_name),
|
|
"hd-audio%d", card->number);
|
|
bus->workq = create_singlethread_workqueue(bus->workq_name);
|
|
if (!bus->workq) {
|
|
snd_printk(KERN_ERR "cannot create workqueue %s\n",
|
|
bus->workq_name);
|
|
kfree(bus);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
|
|
if (err < 0) {
|
|
snd_hda_bus_free(bus);
|
|
return err;
|
|
}
|
|
if (busp)
|
|
*busp = bus;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_bus_new);
|
|
|
|
#ifdef CONFIG_SND_HDA_GENERIC
|
|
#define is_generic_config(codec) \
|
|
(codec->modelname && !strcmp(codec->modelname, "generic"))
|
|
#else
|
|
#define is_generic_config(codec) 0
|
|
#endif
|
|
|
|
#ifdef MODULE
|
|
#define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
|
|
#else
|
|
#define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
|
|
#endif
|
|
|
|
/*
|
|
* find a matching codec preset
|
|
*/
|
|
static const struct hda_codec_preset *
|
|
find_codec_preset(struct hda_codec *codec)
|
|
{
|
|
struct hda_codec_preset_list *tbl;
|
|
const struct hda_codec_preset *preset;
|
|
unsigned int mod_requested = 0;
|
|
|
|
if (is_generic_config(codec))
|
|
return NULL; /* use the generic parser */
|
|
|
|
again:
|
|
mutex_lock(&preset_mutex);
|
|
list_for_each_entry(tbl, &hda_preset_tables, list) {
|
|
if (!try_module_get(tbl->owner)) {
|
|
snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
|
|
continue;
|
|
}
|
|
for (preset = tbl->preset; preset->id; preset++) {
|
|
u32 mask = preset->mask;
|
|
if (preset->afg && preset->afg != codec->afg)
|
|
continue;
|
|
if (preset->mfg && preset->mfg != codec->mfg)
|
|
continue;
|
|
if (!mask)
|
|
mask = ~0;
|
|
if (preset->id == (codec->vendor_id & mask) &&
|
|
(!preset->rev ||
|
|
preset->rev == codec->revision_id)) {
|
|
mutex_unlock(&preset_mutex);
|
|
codec->owner = tbl->owner;
|
|
return preset;
|
|
}
|
|
}
|
|
module_put(tbl->owner);
|
|
}
|
|
mutex_unlock(&preset_mutex);
|
|
|
|
if (mod_requested < HDA_MODREQ_MAX_COUNT) {
|
|
char name[32];
|
|
if (!mod_requested)
|
|
snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
|
|
codec->vendor_id);
|
|
else
|
|
snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
|
|
(codec->vendor_id >> 16) & 0xffff);
|
|
request_module(name);
|
|
mod_requested++;
|
|
goto again;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* get_codec_name - store the codec name
|
|
*/
|
|
static int get_codec_name(struct hda_codec *codec)
|
|
{
|
|
const struct hda_vendor_id *c;
|
|
const char *vendor = NULL;
|
|
u16 vendor_id = codec->vendor_id >> 16;
|
|
char tmp[16];
|
|
|
|
if (codec->vendor_name)
|
|
goto get_chip_name;
|
|
|
|
for (c = hda_vendor_ids; c->id; c++) {
|
|
if (c->id == vendor_id) {
|
|
vendor = c->name;
|
|
break;
|
|
}
|
|
}
|
|
if (!vendor) {
|
|
sprintf(tmp, "Generic %04x", vendor_id);
|
|
vendor = tmp;
|
|
}
|
|
codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
|
|
if (!codec->vendor_name)
|
|
return -ENOMEM;
|
|
|
|
get_chip_name:
|
|
if (codec->chip_name)
|
|
return 0;
|
|
|
|
if (codec->preset && codec->preset->name)
|
|
codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
|
|
else {
|
|
sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
|
|
codec->chip_name = kstrdup(tmp, GFP_KERNEL);
|
|
}
|
|
if (!codec->chip_name)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* look for an AFG and MFG nodes
|
|
*/
|
|
static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
|
|
{
|
|
int i, total_nodes, function_id;
|
|
hda_nid_t nid;
|
|
|
|
total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
|
|
for (i = 0; i < total_nodes; i++, nid++) {
|
|
function_id = snd_hda_param_read(codec, nid,
|
|
AC_PAR_FUNCTION_TYPE);
|
|
switch (function_id & 0xff) {
|
|
case AC_GRP_AUDIO_FUNCTION:
|
|
codec->afg = nid;
|
|
codec->afg_function_id = function_id & 0xff;
|
|
codec->afg_unsol = (function_id >> 8) & 1;
|
|
break;
|
|
case AC_GRP_MODEM_FUNCTION:
|
|
codec->mfg = nid;
|
|
codec->mfg_function_id = function_id & 0xff;
|
|
codec->mfg_unsol = (function_id >> 8) & 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* read widget caps for each widget and store in cache
|
|
*/
|
|
static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
|
|
{
|
|
int i;
|
|
hda_nid_t nid;
|
|
|
|
codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
|
|
&codec->start_nid);
|
|
codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
|
|
if (!codec->wcaps)
|
|
return -ENOMEM;
|
|
nid = codec->start_nid;
|
|
for (i = 0; i < codec->num_nodes; i++, nid++)
|
|
codec->wcaps[i] = snd_hda_param_read(codec, nid,
|
|
AC_PAR_AUDIO_WIDGET_CAP);
|
|
return 0;
|
|
}
|
|
|
|
/* read all pin default configurations and save codec->init_pins */
|
|
static int read_pin_defaults(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
hda_nid_t nid = codec->start_nid;
|
|
|
|
for (i = 0; i < codec->num_nodes; i++, nid++) {
|
|
struct hda_pincfg *pin;
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
unsigned int wid_type = get_wcaps_type(wcaps);
|
|
if (wid_type != AC_WID_PIN)
|
|
continue;
|
|
pin = snd_array_new(&codec->init_pins);
|
|
if (!pin)
|
|
return -ENOMEM;
|
|
pin->nid = nid;
|
|
pin->cfg = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_CONFIG_DEFAULT, 0);
|
|
pin->ctrl = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_PIN_WIDGET_CONTROL,
|
|
0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* look up the given pin config list and return the item matching with NID */
|
|
static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
|
|
struct snd_array *array,
|
|
hda_nid_t nid)
|
|
{
|
|
int i;
|
|
for (i = 0; i < array->used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(array, i);
|
|
if (pin->nid == nid)
|
|
return pin;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* write a config value for the given NID */
|
|
static void set_pincfg(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int cfg)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i,
|
|
cfg & 0xff);
|
|
cfg >>= 8;
|
|
}
|
|
}
|
|
|
|
/* set the current pin config value for the given NID.
|
|
* the value is cached, and read via snd_hda_codec_get_pincfg()
|
|
*/
|
|
int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
|
|
hda_nid_t nid, unsigned int cfg)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
unsigned int oldcfg;
|
|
|
|
if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
|
|
return -EINVAL;
|
|
|
|
oldcfg = snd_hda_codec_get_pincfg(codec, nid);
|
|
pin = look_up_pincfg(codec, list, nid);
|
|
if (!pin) {
|
|
pin = snd_array_new(list);
|
|
if (!pin)
|
|
return -ENOMEM;
|
|
pin->nid = nid;
|
|
}
|
|
pin->cfg = cfg;
|
|
|
|
/* change only when needed; e.g. if the pincfg is already present
|
|
* in user_pins[], don't write it
|
|
*/
|
|
cfg = snd_hda_codec_get_pincfg(codec, nid);
|
|
if (oldcfg != cfg)
|
|
set_pincfg(codec, nid, cfg);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_set_pincfg - Override a pin default configuration
|
|
* @codec: the HDA codec
|
|
* @nid: NID to set the pin config
|
|
* @cfg: the pin default config value
|
|
*
|
|
* Override a pin default configuration value in the cache.
|
|
* This value can be read by snd_hda_codec_get_pincfg() in a higher
|
|
* priority than the real hardware value.
|
|
*/
|
|
int snd_hda_codec_set_pincfg(struct hda_codec *codec,
|
|
hda_nid_t nid, unsigned int cfg)
|
|
{
|
|
return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg);
|
|
|
|
/**
|
|
* snd_hda_codec_get_pincfg - Obtain a pin-default configuration
|
|
* @codec: the HDA codec
|
|
* @nid: NID to get the pin config
|
|
*
|
|
* Get the current pin config value of the given pin NID.
|
|
* If the pincfg value is cached or overridden via sysfs or driver,
|
|
* returns the cached value.
|
|
*/
|
|
unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_pincfg *pin;
|
|
|
|
#ifdef CONFIG_SND_HDA_HWDEP
|
|
pin = look_up_pincfg(codec, &codec->user_pins, nid);
|
|
if (pin)
|
|
return pin->cfg;
|
|
#endif
|
|
pin = look_up_pincfg(codec, &codec->driver_pins, nid);
|
|
if (pin)
|
|
return pin->cfg;
|
|
pin = look_up_pincfg(codec, &codec->init_pins, nid);
|
|
if (pin)
|
|
return pin->cfg;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg);
|
|
|
|
/* restore all current pin configs */
|
|
static void restore_pincfgs(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
for (i = 0; i < codec->init_pins.used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
|
|
set_pincfg(codec, pin->nid,
|
|
snd_hda_codec_get_pincfg(codec, pin->nid));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_shutup_pins - Shut up all pins
|
|
* @codec: the HDA codec
|
|
*
|
|
* Clear all pin controls to shup up before suspend for avoiding click noise.
|
|
* The controls aren't cached so that they can be resumed properly.
|
|
*/
|
|
void snd_hda_shutup_pins(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
/* don't shut up pins when unloading the driver; otherwise it breaks
|
|
* the default pin setup at the next load of the driver
|
|
*/
|
|
if (codec->bus->shutdown)
|
|
return;
|
|
for (i = 0; i < codec->init_pins.used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
|
|
/* use read here for syncing after issuing each verb */
|
|
snd_hda_codec_read(codec, pin->nid, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
|
|
}
|
|
codec->pins_shutup = 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_shutup_pins);
|
|
|
|
#ifdef CONFIG_PM
|
|
/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
|
|
static void restore_shutup_pins(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
if (!codec->pins_shutup)
|
|
return;
|
|
if (codec->bus->shutdown)
|
|
return;
|
|
for (i = 0; i < codec->init_pins.used; i++) {
|
|
struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
|
|
snd_hda_codec_write(codec, pin->nid, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL,
|
|
pin->ctrl);
|
|
}
|
|
codec->pins_shutup = 0;
|
|
}
|
|
#endif
|
|
|
|
static void init_hda_cache(struct hda_cache_rec *cache,
|
|
unsigned int record_size);
|
|
static void free_hda_cache(struct hda_cache_rec *cache);
|
|
|
|
/* restore the initial pin cfgs and release all pincfg lists */
|
|
static void restore_init_pincfgs(struct hda_codec *codec)
|
|
{
|
|
/* first free driver_pins and user_pins, then call restore_pincfg
|
|
* so that only the values in init_pins are restored
|
|
*/
|
|
snd_array_free(&codec->driver_pins);
|
|
#ifdef CONFIG_SND_HDA_HWDEP
|
|
snd_array_free(&codec->user_pins);
|
|
#endif
|
|
restore_pincfgs(codec);
|
|
snd_array_free(&codec->init_pins);
|
|
}
|
|
|
|
/*
|
|
* audio-converter setup caches
|
|
*/
|
|
struct hda_cvt_setup {
|
|
hda_nid_t nid;
|
|
u8 stream_tag;
|
|
u8 channel_id;
|
|
u16 format_id;
|
|
unsigned char active; /* cvt is currently used */
|
|
unsigned char dirty; /* setups should be cleared */
|
|
};
|
|
|
|
/* get or create a cache entry for the given audio converter NID */
|
|
static struct hda_cvt_setup *
|
|
get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
struct hda_cvt_setup *p;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->cvt_setups.used; i++) {
|
|
p = snd_array_elem(&codec->cvt_setups, i);
|
|
if (p->nid == nid)
|
|
return p;
|
|
}
|
|
p = snd_array_new(&codec->cvt_setups);
|
|
if (p)
|
|
p->nid = nid;
|
|
return p;
|
|
}
|
|
|
|
/*
|
|
* codec destructor
|
|
*/
|
|
static void snd_hda_codec_free(struct hda_codec *codec)
|
|
{
|
|
if (!codec)
|
|
return;
|
|
snd_hda_jack_tbl_clear(codec);
|
|
restore_init_pincfgs(codec);
|
|
#ifdef CONFIG_PM
|
|
cancel_delayed_work(&codec->power_work);
|
|
flush_workqueue(codec->bus->workq);
|
|
#endif
|
|
list_del(&codec->list);
|
|
snd_array_free(&codec->mixers);
|
|
snd_array_free(&codec->nids);
|
|
snd_array_free(&codec->cvt_setups);
|
|
snd_array_free(&codec->conn_lists);
|
|
snd_array_free(&codec->spdif_out);
|
|
codec->bus->caddr_tbl[codec->addr] = NULL;
|
|
if (codec->patch_ops.free)
|
|
codec->patch_ops.free(codec);
|
|
#ifdef CONFIG_PM
|
|
if (!codec->pm_down_notified) /* cancel leftover refcounts */
|
|
hda_call_pm_notify(codec->bus, false);
|
|
#endif
|
|
module_put(codec->owner);
|
|
free_hda_cache(&codec->amp_cache);
|
|
free_hda_cache(&codec->cmd_cache);
|
|
kfree(codec->vendor_name);
|
|
kfree(codec->chip_name);
|
|
kfree(codec->modelname);
|
|
kfree(codec->wcaps);
|
|
kfree(codec);
|
|
}
|
|
|
|
static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
|
|
hda_nid_t fg, unsigned int power_state);
|
|
|
|
static unsigned int hda_set_power_state(struct hda_codec *codec,
|
|
unsigned int power_state);
|
|
|
|
/**
|
|
* snd_hda_codec_new - create a HDA codec
|
|
* @bus: the bus to assign
|
|
* @codec_addr: the codec address
|
|
* @codecp: the pointer to store the generated codec
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
|
|
unsigned int codec_addr,
|
|
struct hda_codec **codecp)
|
|
{
|
|
struct hda_codec *codec;
|
|
char component[31];
|
|
hda_nid_t fg;
|
|
int err;
|
|
|
|
if (snd_BUG_ON(!bus))
|
|
return -EINVAL;
|
|
if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
|
|
return -EINVAL;
|
|
|
|
if (bus->caddr_tbl[codec_addr]) {
|
|
snd_printk(KERN_ERR "hda_codec: "
|
|
"address 0x%x is already occupied\n", codec_addr);
|
|
return -EBUSY;
|
|
}
|
|
|
|
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
|
|
if (codec == NULL) {
|
|
snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
codec->bus = bus;
|
|
codec->addr = codec_addr;
|
|
mutex_init(&codec->spdif_mutex);
|
|
mutex_init(&codec->control_mutex);
|
|
mutex_init(&codec->hash_mutex);
|
|
init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
|
|
init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
|
|
snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
|
|
snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
|
|
snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
|
|
snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
|
|
snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
|
|
snd_array_init(&codec->conn_lists, sizeof(hda_nid_t), 64);
|
|
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
|
|
|
|
#ifdef CONFIG_PM
|
|
spin_lock_init(&codec->power_lock);
|
|
INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
|
|
/* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
|
|
* the caller has to power down appropriatley after initialization
|
|
* phase.
|
|
*/
|
|
hda_keep_power_on(codec);
|
|
hda_call_pm_notify(bus, true);
|
|
#endif
|
|
|
|
if (codec->bus->modelname) {
|
|
codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
|
|
if (!codec->modelname) {
|
|
snd_hda_codec_free(codec);
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
list_add_tail(&codec->list, &bus->codec_list);
|
|
bus->caddr_tbl[codec_addr] = codec;
|
|
|
|
codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
|
|
AC_PAR_VENDOR_ID);
|
|
if (codec->vendor_id == -1)
|
|
/* read again, hopefully the access method was corrected
|
|
* in the last read...
|
|
*/
|
|
codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
|
|
AC_PAR_VENDOR_ID);
|
|
codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
|
|
AC_PAR_SUBSYSTEM_ID);
|
|
codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
|
|
AC_PAR_REV_ID);
|
|
|
|
setup_fg_nodes(codec);
|
|
if (!codec->afg && !codec->mfg) {
|
|
snd_printdd("hda_codec: no AFG or MFG node found\n");
|
|
err = -ENODEV;
|
|
goto error;
|
|
}
|
|
|
|
fg = codec->afg ? codec->afg : codec->mfg;
|
|
err = read_widget_caps(codec, fg);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
|
|
goto error;
|
|
}
|
|
err = read_pin_defaults(codec);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
if (!codec->subsystem_id) {
|
|
codec->subsystem_id =
|
|
snd_hda_codec_read(codec, fg, 0,
|
|
AC_VERB_GET_SUBSYSTEM_ID, 0);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec, fg,
|
|
AC_PWRST_CLKSTOP);
|
|
if (!codec->d3_stop_clk)
|
|
bus->power_keep_link_on = 1;
|
|
#endif
|
|
codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
|
|
AC_PWRST_EPSS);
|
|
|
|
/* power-up all before initialization */
|
|
hda_set_power_state(codec, AC_PWRST_D0);
|
|
|
|
snd_hda_codec_proc_new(codec);
|
|
|
|
snd_hda_create_hwdep(codec);
|
|
|
|
sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
|
|
codec->subsystem_id, codec->revision_id);
|
|
snd_component_add(codec->bus->card, component);
|
|
|
|
if (codecp)
|
|
*codecp = codec;
|
|
return 0;
|
|
|
|
error:
|
|
snd_hda_codec_free(codec);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_new);
|
|
|
|
/**
|
|
* snd_hda_codec_configure - (Re-)configure the HD-audio codec
|
|
* @codec: the HDA codec
|
|
*
|
|
* Start parsing of the given codec tree and (re-)initialize the whole
|
|
* patch instance.
|
|
*
|
|
* Returns 0 if successful or a negative error code.
|
|
*/
|
|
int snd_hda_codec_configure(struct hda_codec *codec)
|
|
{
|
|
int err;
|
|
|
|
codec->preset = find_codec_preset(codec);
|
|
if (!codec->vendor_name || !codec->chip_name) {
|
|
err = get_codec_name(codec);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
if (is_generic_config(codec)) {
|
|
err = snd_hda_parse_generic_codec(codec);
|
|
goto patched;
|
|
}
|
|
if (codec->preset && codec->preset->patch) {
|
|
err = codec->preset->patch(codec);
|
|
goto patched;
|
|
}
|
|
|
|
/* call the default parser */
|
|
err = snd_hda_parse_generic_codec(codec);
|
|
if (err < 0)
|
|
printk(KERN_ERR "hda-codec: No codec parser is available\n");
|
|
|
|
patched:
|
|
if (!err && codec->patch_ops.unsol_event)
|
|
err = init_unsol_queue(codec->bus);
|
|
/* audio codec should override the mixer name */
|
|
if (!err && (codec->afg || !*codec->bus->card->mixername))
|
|
snprintf(codec->bus->card->mixername,
|
|
sizeof(codec->bus->card->mixername),
|
|
"%s %s", codec->vendor_name, codec->chip_name);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
|
|
|
|
/* update the stream-id if changed */
|
|
static void update_pcm_stream_id(struct hda_codec *codec,
|
|
struct hda_cvt_setup *p, hda_nid_t nid,
|
|
u32 stream_tag, int channel_id)
|
|
{
|
|
unsigned int oldval, newval;
|
|
|
|
if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
|
|
oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
|
|
newval = (stream_tag << 4) | channel_id;
|
|
if (oldval != newval)
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_CHANNEL_STREAMID,
|
|
newval);
|
|
p->stream_tag = stream_tag;
|
|
p->channel_id = channel_id;
|
|
}
|
|
}
|
|
|
|
/* update the format-id if changed */
|
|
static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
|
|
hda_nid_t nid, int format)
|
|
{
|
|
unsigned int oldval;
|
|
|
|
if (p->format_id != format) {
|
|
oldval = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_STREAM_FORMAT, 0);
|
|
if (oldval != format) {
|
|
msleep(1);
|
|
snd_hda_codec_write(codec, nid, 0,
|
|
AC_VERB_SET_STREAM_FORMAT,
|
|
format);
|
|
}
|
|
p->format_id = format;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_setup_stream - set up the codec for streaming
|
|
* @codec: the CODEC to set up
|
|
* @nid: the NID to set up
|
|
* @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
|
|
* @channel_id: channel id to pass, zero based.
|
|
* @format: stream format.
|
|
*/
|
|
void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
u32 stream_tag,
|
|
int channel_id, int format)
|
|
{
|
|
struct hda_codec *c;
|
|
struct hda_cvt_setup *p;
|
|
int type;
|
|
int i;
|
|
|
|
if (!nid)
|
|
return;
|
|
|
|
snd_printdd("hda_codec_setup_stream: "
|
|
"NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
|
|
nid, stream_tag, channel_id, format);
|
|
p = get_hda_cvt_setup(codec, nid);
|
|
if (!p)
|
|
return;
|
|
|
|
if (codec->pcm_format_first)
|
|
update_pcm_format(codec, p, nid, format);
|
|
update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
|
|
if (!codec->pcm_format_first)
|
|
update_pcm_format(codec, p, nid, format);
|
|
|
|
p->active = 1;
|
|
p->dirty = 0;
|
|
|
|
/* make other inactive cvts with the same stream-tag dirty */
|
|
type = get_wcaps_type(get_wcaps(codec, nid));
|
|
list_for_each_entry(c, &codec->bus->codec_list, list) {
|
|
for (i = 0; i < c->cvt_setups.used; i++) {
|
|
p = snd_array_elem(&c->cvt_setups, i);
|
|
if (!p->active && p->stream_tag == stream_tag &&
|
|
get_wcaps_type(get_wcaps(c, p->nid)) == type)
|
|
p->dirty = 1;
|
|
}
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
|
|
|
|
static void really_cleanup_stream(struct hda_codec *codec,
|
|
struct hda_cvt_setup *q);
|
|
|
|
/**
|
|
* __snd_hda_codec_cleanup_stream - clean up the codec for closing
|
|
* @codec: the CODEC to clean up
|
|
* @nid: the NID to clean up
|
|
* @do_now: really clean up the stream instead of clearing the active flag
|
|
*/
|
|
void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
int do_now)
|
|
{
|
|
struct hda_cvt_setup *p;
|
|
|
|
if (!nid)
|
|
return;
|
|
|
|
if (codec->no_sticky_stream)
|
|
do_now = 1;
|
|
|
|
snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
|
|
p = get_hda_cvt_setup(codec, nid);
|
|
if (p) {
|
|
/* here we just clear the active flag when do_now isn't set;
|
|
* actual clean-ups will be done later in
|
|
* purify_inactive_streams() called from snd_hda_codec_prpapre()
|
|
*/
|
|
if (do_now)
|
|
really_cleanup_stream(codec, p);
|
|
else
|
|
p->active = 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(__snd_hda_codec_cleanup_stream);
|
|
|
|
static void really_cleanup_stream(struct hda_codec *codec,
|
|
struct hda_cvt_setup *q)
|
|
{
|
|
hda_nid_t nid = q->nid;
|
|
if (q->stream_tag || q->channel_id)
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
|
|
if (q->format_id)
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
|
|
);
|
|
memset(q, 0, sizeof(*q));
|
|
q->nid = nid;
|
|
}
|
|
|
|
/* clean up the all conflicting obsolete streams */
|
|
static void purify_inactive_streams(struct hda_codec *codec)
|
|
{
|
|
struct hda_codec *c;
|
|
int i;
|
|
|
|
list_for_each_entry(c, &codec->bus->codec_list, list) {
|
|
for (i = 0; i < c->cvt_setups.used; i++) {
|
|
struct hda_cvt_setup *p;
|
|
p = snd_array_elem(&c->cvt_setups, i);
|
|
if (p->dirty)
|
|
really_cleanup_stream(c, p);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
/* clean up all streams; called from suspend */
|
|
static void hda_cleanup_all_streams(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < codec->cvt_setups.used; i++) {
|
|
struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
|
|
if (p->stream_tag)
|
|
really_cleanup_stream(codec, p);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* amp access functions
|
|
*/
|
|
|
|
/* FIXME: more better hash key? */
|
|
#define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
|
|
#define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
|
|
#define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
|
|
#define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
|
|
#define INFO_AMP_CAPS (1<<0)
|
|
#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
|
|
|
|
/* initialize the hash table */
|
|
static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache,
|
|
unsigned int record_size)
|
|
{
|
|
memset(cache, 0, sizeof(*cache));
|
|
memset(cache->hash, 0xff, sizeof(cache->hash));
|
|
snd_array_init(&cache->buf, record_size, 64);
|
|
}
|
|
|
|
static void free_hda_cache(struct hda_cache_rec *cache)
|
|
{
|
|
snd_array_free(&cache->buf);
|
|
}
|
|
|
|
/* query the hash. allocate an entry if not found. */
|
|
static struct hda_cache_head *get_hash(struct hda_cache_rec *cache, u32 key)
|
|
{
|
|
u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
|
|
u16 cur = cache->hash[idx];
|
|
struct hda_cache_head *info;
|
|
|
|
while (cur != 0xffff) {
|
|
info = snd_array_elem(&cache->buf, cur);
|
|
if (info->key == key)
|
|
return info;
|
|
cur = info->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* query the hash. allocate an entry if not found. */
|
|
static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
|
|
u32 key)
|
|
{
|
|
struct hda_cache_head *info = get_hash(cache, key);
|
|
if (!info) {
|
|
u16 idx, cur;
|
|
/* add a new hash entry */
|
|
info = snd_array_new(&cache->buf);
|
|
if (!info)
|
|
return NULL;
|
|
cur = snd_array_index(&cache->buf, info);
|
|
info->key = key;
|
|
info->val = 0;
|
|
idx = key % (u16)ARRAY_SIZE(cache->hash);
|
|
info->next = cache->hash[idx];
|
|
cache->hash[idx] = cur;
|
|
}
|
|
return info;
|
|
}
|
|
|
|
/* query and allocate an amp hash entry */
|
|
static inline struct hda_amp_info *
|
|
get_alloc_amp_hash(struct hda_codec *codec, u32 key)
|
|
{
|
|
return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
|
|
}
|
|
|
|
/* overwrite the value with the key in the caps hash */
|
|
static int write_caps_hash(struct hda_codec *codec, u32 key, unsigned int val)
|
|
{
|
|
struct hda_amp_info *info;
|
|
|
|
mutex_lock(&codec->hash_mutex);
|
|
info = get_alloc_amp_hash(codec, key);
|
|
if (!info) {
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return -EINVAL;
|
|
}
|
|
info->amp_caps = val;
|
|
info->head.val |= INFO_AMP_CAPS;
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return 0;
|
|
}
|
|
|
|
/* query the value from the caps hash; if not found, fetch the current
|
|
* value from the given function and store in the hash
|
|
*/
|
|
static unsigned int
|
|
query_caps_hash(struct hda_codec *codec, hda_nid_t nid, int dir, u32 key,
|
|
unsigned int (*func)(struct hda_codec *, hda_nid_t, int))
|
|
{
|
|
struct hda_amp_info *info;
|
|
unsigned int val;
|
|
|
|
mutex_lock(&codec->hash_mutex);
|
|
info = get_alloc_amp_hash(codec, key);
|
|
if (!info) {
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return 0;
|
|
}
|
|
if (!(info->head.val & INFO_AMP_CAPS)) {
|
|
mutex_unlock(&codec->hash_mutex); /* for reentrance */
|
|
val = func(codec, nid, dir);
|
|
write_caps_hash(codec, key, val);
|
|
} else {
|
|
val = info->amp_caps;
|
|
mutex_unlock(&codec->hash_mutex);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static unsigned int read_amp_cap(struct hda_codec *codec, hda_nid_t nid,
|
|
int direction)
|
|
{
|
|
if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
|
|
nid = codec->afg;
|
|
return snd_hda_param_read(codec, nid,
|
|
direction == HDA_OUTPUT ?
|
|
AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
|
|
}
|
|
|
|
/**
|
|
* query_amp_caps - query AMP capabilities
|
|
* @codec: the HD-auio codec
|
|
* @nid: the NID to query
|
|
* @direction: either #HDA_INPUT or #HDA_OUTPUT
|
|
*
|
|
* Query AMP capabilities for the given widget and direction.
|
|
* Returns the obtained capability bits.
|
|
*
|
|
* When cap bits have been already read, this doesn't read again but
|
|
* returns the cached value.
|
|
*/
|
|
u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
|
|
{
|
|
return query_caps_hash(codec, nid, direction,
|
|
HDA_HASH_KEY(nid, direction, 0),
|
|
read_amp_cap);
|
|
}
|
|
EXPORT_SYMBOL_HDA(query_amp_caps);
|
|
|
|
/**
|
|
* snd_hda_override_amp_caps - Override the AMP capabilities
|
|
* @codec: the CODEC to clean up
|
|
* @nid: the NID to clean up
|
|
* @direction: either #HDA_INPUT or #HDA_OUTPUT
|
|
* @caps: the capability bits to set
|
|
*
|
|
* Override the cached AMP caps bits value by the given one.
|
|
* This function is useful if the driver needs to adjust the AMP ranges,
|
|
* e.g. limit to 0dB, etc.
|
|
*
|
|
* Returns zero if successful or a negative error code.
|
|
*/
|
|
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int caps)
|
|
{
|
|
return write_caps_hash(codec, HDA_HASH_KEY(nid, dir, 0), caps);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
|
|
|
|
static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid,
|
|
int dir)
|
|
{
|
|
return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_query_pin_caps - Query PIN capabilities
|
|
* @codec: the HD-auio codec
|
|
* @nid: the NID to query
|
|
*
|
|
* Query PIN capabilities for the given widget.
|
|
* Returns the obtained capability bits.
|
|
*
|
|
* When cap bits have been already read, this doesn't read again but
|
|
* returns the cached value.
|
|
*/
|
|
u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
return query_caps_hash(codec, nid, 0, HDA_HASH_PINCAP_KEY(nid),
|
|
read_pin_cap);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
|
|
|
|
/**
|
|
* snd_hda_override_pin_caps - Override the pin capabilities
|
|
* @codec: the CODEC
|
|
* @nid: the NID to override
|
|
* @caps: the capability bits to set
|
|
*
|
|
* Override the cached PIN capabilitiy bits value by the given one.
|
|
*
|
|
* Returns zero if successful or a negative error code.
|
|
*/
|
|
int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int caps)
|
|
{
|
|
return write_caps_hash(codec, HDA_HASH_PINCAP_KEY(nid), caps);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps);
|
|
|
|
/* read or sync the hash value with the current value;
|
|
* call within hash_mutex
|
|
*/
|
|
static struct hda_amp_info *
|
|
update_amp_hash(struct hda_codec *codec, hda_nid_t nid, int ch,
|
|
int direction, int index)
|
|
{
|
|
struct hda_amp_info *info;
|
|
unsigned int parm, val = 0;
|
|
bool val_read = false;
|
|
|
|
retry:
|
|
info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
|
|
if (!info)
|
|
return NULL;
|
|
if (!(info->head.val & INFO_AMP_VOL(ch))) {
|
|
if (!val_read) {
|
|
mutex_unlock(&codec->hash_mutex);
|
|
parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
|
|
parm |= direction == HDA_OUTPUT ?
|
|
AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
|
|
parm |= index;
|
|
val = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_AMP_GAIN_MUTE, parm);
|
|
val &= 0xff;
|
|
val_read = true;
|
|
mutex_lock(&codec->hash_mutex);
|
|
goto retry;
|
|
}
|
|
info->vol[ch] = val;
|
|
info->head.val |= INFO_AMP_VOL(ch);
|
|
}
|
|
return info;
|
|
}
|
|
|
|
/*
|
|
* write the current volume in info to the h/w
|
|
*/
|
|
static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
|
|
hda_nid_t nid, int ch, int direction, int index,
|
|
int val)
|
|
{
|
|
u32 parm;
|
|
|
|
parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
|
|
parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
|
|
parm |= index << AC_AMP_SET_INDEX_SHIFT;
|
|
if ((val & HDA_AMP_MUTE) && !(info->amp_caps & AC_AMPCAP_MUTE) &&
|
|
(info->amp_caps & AC_AMPCAP_MIN_MUTE))
|
|
; /* set the zero value as a fake mute */
|
|
else
|
|
parm |= val;
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_codec_amp_read - Read AMP value
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to read the AMP value
|
|
* @ch: channel (left=0 or right=1)
|
|
* @direction: #HDA_INPUT or #HDA_OUTPUT
|
|
* @index: the index value (only for input direction)
|
|
*
|
|
* Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
|
|
*/
|
|
int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
|
|
int direction, int index)
|
|
{
|
|
struct hda_amp_info *info;
|
|
unsigned int val = 0;
|
|
|
|
mutex_lock(&codec->hash_mutex);
|
|
info = update_amp_hash(codec, nid, ch, direction, index);
|
|
if (info)
|
|
val = info->vol[ch];
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return val;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_update - update the AMP value
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to read the AMP value
|
|
* @ch: channel (left=0 or right=1)
|
|
* @direction: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Update the AMP value with a bit mask.
|
|
* Returns 0 if the value is unchanged, 1 if changed.
|
|
*/
|
|
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
|
|
int direction, int idx, int mask, int val)
|
|
{
|
|
struct hda_amp_info *info;
|
|
|
|
if (snd_BUG_ON(mask & ~0xff))
|
|
mask &= 0xff;
|
|
val &= mask;
|
|
|
|
mutex_lock(&codec->hash_mutex);
|
|
info = update_amp_hash(codec, nid, ch, direction, idx);
|
|
if (!info) {
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return 0;
|
|
}
|
|
val |= info->vol[ch] & ~mask;
|
|
if (info->vol[ch] == val) {
|
|
mutex_unlock(&codec->hash_mutex);
|
|
return 0;
|
|
}
|
|
info->vol[ch] = val;
|
|
mutex_unlock(&codec->hash_mutex);
|
|
put_vol_mute(codec, info, nid, ch, direction, idx, val);
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
|
|
|
|
/**
|
|
* snd_hda_codec_amp_stereo - update the AMP stereo values
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to read the AMP value
|
|
* @direction: #HDA_INPUT or #HDA_OUTPUT
|
|
* @idx: the index value (only for input direction)
|
|
* @mask: bit mask to set
|
|
* @val: the bits value to set
|
|
*
|
|
* Update the AMP values like snd_hda_codec_amp_update(), but for a
|
|
* stereo widget with the same mask and value.
|
|
*/
|
|
int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
|
|
int direction, int idx, int mask, int val)
|
|
{
|
|
int ch, ret = 0;
|
|
|
|
if (snd_BUG_ON(mask & ~0xff))
|
|
mask &= 0xff;
|
|
for (ch = 0; ch < 2; ch++)
|
|
ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
|
|
idx, mask, val);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
|
|
|
|
#ifdef CONFIG_PM
|
|
/**
|
|
* snd_hda_codec_resume_amp - Resume all AMP commands from the cache
|
|
* @codec: HD-audio codec
|
|
*
|
|
* Resume the all amp commands from the cache.
|
|
*/
|
|
void snd_hda_codec_resume_amp(struct hda_codec *codec)
|
|
{
|
|
struct hda_amp_info *buffer = codec->amp_cache.buf.list;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
|
|
u32 key = buffer->head.key;
|
|
hda_nid_t nid;
|
|
unsigned int idx, dir, ch;
|
|
if (!key)
|
|
continue;
|
|
nid = key & 0xff;
|
|
idx = (key >> 16) & 0xff;
|
|
dir = (key >> 24) & 0xff;
|
|
for (ch = 0; ch < 2; ch++) {
|
|
if (!(buffer->head.val & INFO_AMP_VOL(ch)))
|
|
continue;
|
|
put_vol_mute(codec, buffer, nid, ch, dir, idx,
|
|
buffer->vol[ch]);
|
|
}
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
|
|
#endif /* CONFIG_PM */
|
|
|
|
static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int ofs)
|
|
{
|
|
u32 caps = query_amp_caps(codec, nid, dir);
|
|
/* get num steps */
|
|
caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
|
|
if (ofs < caps)
|
|
caps -= ofs;
|
|
return caps;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
u16 nid = get_amp_nid(kcontrol);
|
|
u8 chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = chs == 3 ? 2 : 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
|
|
if (!uinfo->value.integer.max) {
|
|
printk(KERN_WARNING "hda_codec: "
|
|
"num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
|
|
kcontrol->id.name);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
|
|
|
|
|
|
static inline unsigned int
|
|
read_amp_value(struct hda_codec *codec, hda_nid_t nid,
|
|
int ch, int dir, int idx, unsigned int ofs)
|
|
{
|
|
unsigned int val;
|
|
val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
|
|
val &= HDA_AMP_VOLMASK;
|
|
if (val >= ofs)
|
|
val -= ofs;
|
|
else
|
|
val = 0;
|
|
return val;
|
|
}
|
|
|
|
static inline int
|
|
update_amp_value(struct hda_codec *codec, hda_nid_t nid,
|
|
int ch, int dir, int idx, unsigned int ofs,
|
|
unsigned int val)
|
|
{
|
|
unsigned int maxval;
|
|
|
|
if (val > 0)
|
|
val += ofs;
|
|
/* ofs = 0: raw max value */
|
|
maxval = get_amp_max_value(codec, nid, dir, 0);
|
|
if (val > maxval)
|
|
val = maxval;
|
|
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
|
|
HDA_AMP_VOLMASK, val);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
|
|
if (chs & 1)
|
|
*valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
|
|
if (chs & 2)
|
|
*valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
int change = 0;
|
|
|
|
snd_hda_power_up(codec);
|
|
if (chs & 1) {
|
|
change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
|
|
valp++;
|
|
}
|
|
if (chs & 2)
|
|
change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
|
|
snd_hda_power_down(codec);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
|
|
unsigned int size, unsigned int __user *_tlv)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
unsigned int ofs = get_amp_offset(kcontrol);
|
|
bool min_mute = get_amp_min_mute(kcontrol);
|
|
u32 caps, val1, val2;
|
|
|
|
if (size < 4 * sizeof(unsigned int))
|
|
return -ENOMEM;
|
|
caps = query_amp_caps(codec, nid, dir);
|
|
val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
|
|
val2 = (val2 + 1) * 25;
|
|
val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
|
|
val1 += ofs;
|
|
val1 = ((int)val1) * ((int)val2);
|
|
if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
|
|
val2 |= TLV_DB_SCALE_MUTE;
|
|
if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
|
|
return -EFAULT;
|
|
if (put_user(2 * sizeof(unsigned int), _tlv + 1))
|
|
return -EFAULT;
|
|
if (put_user(val1, _tlv + 2))
|
|
return -EFAULT;
|
|
if (put_user(val2, _tlv + 3))
|
|
return -EFAULT;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
|
|
|
|
/**
|
|
* snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
|
|
* @codec: HD-audio codec
|
|
* @nid: NID of a reference widget
|
|
* @dir: #HDA_INPUT or #HDA_OUTPUT
|
|
* @tlv: TLV data to be stored, at least 4 elements
|
|
*
|
|
* Set (static) TLV data for a virtual master volume using the AMP caps
|
|
* obtained from the reference NID.
|
|
* The volume range is recalculated as if the max volume is 0dB.
|
|
*/
|
|
void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
|
|
unsigned int *tlv)
|
|
{
|
|
u32 caps;
|
|
int nums, step;
|
|
|
|
caps = query_amp_caps(codec, nid, dir);
|
|
nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
|
|
step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
|
|
step = (step + 1) * 25;
|
|
tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
|
|
tlv[1] = 2 * sizeof(unsigned int);
|
|
tlv[2] = -nums * step;
|
|
tlv[3] = step;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
|
|
|
|
/* find a mixer control element with the given name */
|
|
static struct snd_kcontrol *
|
|
_snd_hda_find_mixer_ctl(struct hda_codec *codec,
|
|
const char *name, int idx)
|
|
{
|
|
struct snd_ctl_elem_id id;
|
|
memset(&id, 0, sizeof(id));
|
|
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
id.index = idx;
|
|
if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
|
|
return NULL;
|
|
strcpy(id.name, name);
|
|
return snd_ctl_find_id(codec->bus->card, &id);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_find_mixer_ctl - Find a mixer control element with the given name
|
|
* @codec: HD-audio codec
|
|
* @name: ctl id name string
|
|
*
|
|
* Get the control element with the given id string and IFACE_MIXER.
|
|
*/
|
|
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
|
|
const char *name)
|
|
{
|
|
return _snd_hda_find_mixer_ctl(codec, name, 0);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
|
|
|
|
static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name)
|
|
{
|
|
int idx;
|
|
for (idx = 0; idx < 16; idx++) { /* 16 ctlrs should be large enough */
|
|
if (!_snd_hda_find_mixer_ctl(codec, name, idx))
|
|
return idx;
|
|
}
|
|
return -EBUSY;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_ctl_add - Add a control element and assign to the codec
|
|
* @codec: HD-audio codec
|
|
* @nid: corresponding NID (optional)
|
|
* @kctl: the control element to assign
|
|
*
|
|
* Add the given control element to an array inside the codec instance.
|
|
* All control elements belonging to a codec are supposed to be added
|
|
* by this function so that a proper clean-up works at the free or
|
|
* reconfiguration time.
|
|
*
|
|
* If non-zero @nid is passed, the NID is assigned to the control element.
|
|
* The assignment is shown in the codec proc file.
|
|
*
|
|
* snd_hda_ctl_add() checks the control subdev id field whether
|
|
* #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
|
|
* bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
|
|
* specifies if kctl->private_value is a HDA amplifier value.
|
|
*/
|
|
int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
|
|
struct snd_kcontrol *kctl)
|
|
{
|
|
int err;
|
|
unsigned short flags = 0;
|
|
struct hda_nid_item *item;
|
|
|
|
if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
|
|
flags |= HDA_NID_ITEM_AMP;
|
|
if (nid == 0)
|
|
nid = get_amp_nid_(kctl->private_value);
|
|
}
|
|
if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
|
|
nid = kctl->id.subdevice & 0xffff;
|
|
if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
|
|
kctl->id.subdevice = 0;
|
|
err = snd_ctl_add(codec->bus->card, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
item = snd_array_new(&codec->mixers);
|
|
if (!item)
|
|
return -ENOMEM;
|
|
item->kctl = kctl;
|
|
item->nid = nid;
|
|
item->flags = flags;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
|
|
|
|
/**
|
|
* snd_hda_add_nid - Assign a NID to a control element
|
|
* @codec: HD-audio codec
|
|
* @nid: corresponding NID (optional)
|
|
* @kctl: the control element to assign
|
|
* @index: index to kctl
|
|
*
|
|
* Add the given control element to an array inside the codec instance.
|
|
* This function is used when #snd_hda_ctl_add cannot be used for 1:1
|
|
* NID:KCTL mapping - for example "Capture Source" selector.
|
|
*/
|
|
int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
|
|
unsigned int index, hda_nid_t nid)
|
|
{
|
|
struct hda_nid_item *item;
|
|
|
|
if (nid > 0) {
|
|
item = snd_array_new(&codec->nids);
|
|
if (!item)
|
|
return -ENOMEM;
|
|
item->kctl = kctl;
|
|
item->index = index;
|
|
item->nid = nid;
|
|
return 0;
|
|
}
|
|
printk(KERN_ERR "hda-codec: no NID for mapping control %s:%d:%d\n",
|
|
kctl->id.name, kctl->id.index, index);
|
|
return -EINVAL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_add_nid);
|
|
|
|
/**
|
|
* snd_hda_ctls_clear - Clear all controls assigned to the given codec
|
|
* @codec: HD-audio codec
|
|
*/
|
|
void snd_hda_ctls_clear(struct hda_codec *codec)
|
|
{
|
|
int i;
|
|
struct hda_nid_item *items = codec->mixers.list;
|
|
for (i = 0; i < codec->mixers.used; i++)
|
|
snd_ctl_remove(codec->bus->card, items[i].kctl);
|
|
snd_array_free(&codec->mixers);
|
|
snd_array_free(&codec->nids);
|
|
}
|
|
|
|
/* pseudo device locking
|
|
* toggle card->shutdown to allow/disallow the device access (as a hack)
|
|
*/
|
|
int snd_hda_lock_devices(struct hda_bus *bus)
|
|
{
|
|
struct snd_card *card = bus->card;
|
|
struct hda_codec *codec;
|
|
|
|
spin_lock(&card->files_lock);
|
|
if (card->shutdown)
|
|
goto err_unlock;
|
|
card->shutdown = 1;
|
|
if (!list_empty(&card->ctl_files))
|
|
goto err_clear;
|
|
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
int pcm;
|
|
for (pcm = 0; pcm < codec->num_pcms; pcm++) {
|
|
struct hda_pcm *cpcm = &codec->pcm_info[pcm];
|
|
if (!cpcm->pcm)
|
|
continue;
|
|
if (cpcm->pcm->streams[0].substream_opened ||
|
|
cpcm->pcm->streams[1].substream_opened)
|
|
goto err_clear;
|
|
}
|
|
}
|
|
spin_unlock(&card->files_lock);
|
|
return 0;
|
|
|
|
err_clear:
|
|
card->shutdown = 0;
|
|
err_unlock:
|
|
spin_unlock(&card->files_lock);
|
|
return -EINVAL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_lock_devices);
|
|
|
|
void snd_hda_unlock_devices(struct hda_bus *bus)
|
|
{
|
|
struct snd_card *card = bus->card;
|
|
|
|
card = bus->card;
|
|
spin_lock(&card->files_lock);
|
|
card->shutdown = 0;
|
|
spin_unlock(&card->files_lock);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_unlock_devices);
|
|
|
|
/**
|
|
* snd_hda_codec_reset - Clear all objects assigned to the codec
|
|
* @codec: HD-audio codec
|
|
*
|
|
* This frees the all PCM and control elements assigned to the codec, and
|
|
* clears the caches and restores the pin default configurations.
|
|
*
|
|
* When a device is being used, it returns -EBSY. If successfully freed,
|
|
* returns zero.
|
|
*/
|
|
int snd_hda_codec_reset(struct hda_codec *codec)
|
|
{
|
|
struct hda_bus *bus = codec->bus;
|
|
struct snd_card *card = bus->card;
|
|
int i;
|
|
|
|
if (snd_hda_lock_devices(bus) < 0)
|
|
return -EBUSY;
|
|
|
|
/* OK, let it free */
|
|
|
|
#ifdef CONFIG_PM
|
|
cancel_delayed_work_sync(&codec->power_work);
|
|
codec->power_on = 0;
|
|
codec->power_transition = 0;
|
|
codec->power_jiffies = jiffies;
|
|
flush_workqueue(bus->workq);
|
|
#endif
|
|
snd_hda_ctls_clear(codec);
|
|
/* relase PCMs */
|
|
for (i = 0; i < codec->num_pcms; i++) {
|
|
if (codec->pcm_info[i].pcm) {
|
|
snd_device_free(card, codec->pcm_info[i].pcm);
|
|
clear_bit(codec->pcm_info[i].device,
|
|
bus->pcm_dev_bits);
|
|
}
|
|
}
|
|
if (codec->patch_ops.free)
|
|
codec->patch_ops.free(codec);
|
|
snd_hda_jack_tbl_clear(codec);
|
|
codec->proc_widget_hook = NULL;
|
|
codec->spec = NULL;
|
|
free_hda_cache(&codec->amp_cache);
|
|
free_hda_cache(&codec->cmd_cache);
|
|
init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
|
|
init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
|
|
/* free only driver_pins so that init_pins + user_pins are restored */
|
|
snd_array_free(&codec->driver_pins);
|
|
restore_pincfgs(codec);
|
|
snd_array_free(&codec->cvt_setups);
|
|
snd_array_free(&codec->spdif_out);
|
|
codec->num_pcms = 0;
|
|
codec->pcm_info = NULL;
|
|
codec->preset = NULL;
|
|
memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
|
|
codec->slave_dig_outs = NULL;
|
|
codec->spdif_status_reset = 0;
|
|
module_put(codec->owner);
|
|
codec->owner = NULL;
|
|
|
|
/* allow device access again */
|
|
snd_hda_unlock_devices(bus);
|
|
return 0;
|
|
}
|
|
|
|
typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
|
|
|
|
/* apply the function to all matching slave ctls in the mixer list */
|
|
static int map_slaves(struct hda_codec *codec, const char * const *slaves,
|
|
const char *suffix, map_slave_func_t func, void *data)
|
|
{
|
|
struct hda_nid_item *items;
|
|
const char * const *s;
|
|
int i, err;
|
|
|
|
items = codec->mixers.list;
|
|
for (i = 0; i < codec->mixers.used; i++) {
|
|
struct snd_kcontrol *sctl = items[i].kctl;
|
|
if (!sctl || !sctl->id.name ||
|
|
sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
|
|
continue;
|
|
for (s = slaves; *s; s++) {
|
|
char tmpname[sizeof(sctl->id.name)];
|
|
const char *name = *s;
|
|
if (suffix) {
|
|
snprintf(tmpname, sizeof(tmpname), "%s %s",
|
|
name, suffix);
|
|
name = tmpname;
|
|
}
|
|
if (!strcmp(sctl->id.name, name)) {
|
|
err = func(data, sctl);
|
|
if (err)
|
|
return err;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int check_slave_present(void *data, struct snd_kcontrol *sctl)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* guess the value corresponding to 0dB */
|
|
static int get_kctl_0dB_offset(struct snd_kcontrol *kctl)
|
|
{
|
|
int _tlv[4];
|
|
const int *tlv = NULL;
|
|
int val = -1;
|
|
|
|
if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
|
|
/* FIXME: set_fs() hack for obtaining user-space TLV data */
|
|
mm_segment_t fs = get_fs();
|
|
set_fs(get_ds());
|
|
if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv))
|
|
tlv = _tlv;
|
|
set_fs(fs);
|
|
} else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
|
|
tlv = kctl->tlv.p;
|
|
if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE)
|
|
val = -tlv[2] / tlv[3];
|
|
return val;
|
|
}
|
|
|
|
/* call kctl->put with the given value(s) */
|
|
static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
|
|
{
|
|
struct snd_ctl_elem_value *ucontrol;
|
|
ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
|
|
if (!ucontrol)
|
|
return -ENOMEM;
|
|
ucontrol->value.integer.value[0] = val;
|
|
ucontrol->value.integer.value[1] = val;
|
|
kctl->put(kctl, ucontrol);
|
|
kfree(ucontrol);
|
|
return 0;
|
|
}
|
|
|
|
/* initialize the slave volume with 0dB */
|
|
static int init_slave_0dB(void *data, struct snd_kcontrol *slave)
|
|
{
|
|
int offset = get_kctl_0dB_offset(slave);
|
|
if (offset > 0)
|
|
put_kctl_with_value(slave, offset);
|
|
return 0;
|
|
}
|
|
|
|
/* unmute the slave */
|
|
static int init_slave_unmute(void *data, struct snd_kcontrol *slave)
|
|
{
|
|
return put_kctl_with_value(slave, 1);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_add_vmaster - create a virtual master control and add slaves
|
|
* @codec: HD-audio codec
|
|
* @name: vmaster control name
|
|
* @tlv: TLV data (optional)
|
|
* @slaves: slave control names (optional)
|
|
* @suffix: suffix string to each slave name (optional)
|
|
* @init_slave_vol: initialize slaves to unmute/0dB
|
|
* @ctl_ret: store the vmaster kcontrol in return
|
|
*
|
|
* Create a virtual master control with the given name. The TLV data
|
|
* must be either NULL or a valid data.
|
|
*
|
|
* @slaves is a NULL-terminated array of strings, each of which is a
|
|
* slave control name. All controls with these names are assigned to
|
|
* the new virtual master control.
|
|
*
|
|
* This function returns zero if successful or a negative error code.
|
|
*/
|
|
int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
|
|
unsigned int *tlv, const char * const *slaves,
|
|
const char *suffix, bool init_slave_vol,
|
|
struct snd_kcontrol **ctl_ret)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
int err;
|
|
|
|
if (ctl_ret)
|
|
*ctl_ret = NULL;
|
|
|
|
err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
|
|
if (err != 1) {
|
|
snd_printdd("No slave found for %s\n", name);
|
|
return 0;
|
|
}
|
|
kctl = snd_ctl_make_virtual_master(name, tlv);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
err = snd_hda_ctl_add(codec, 0, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = map_slaves(codec, slaves, suffix,
|
|
(map_slave_func_t)snd_ctl_add_slave, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* init with master mute & zero volume */
|
|
put_kctl_with_value(kctl, 0);
|
|
if (init_slave_vol)
|
|
map_slaves(codec, slaves, suffix,
|
|
tlv ? init_slave_0dB : init_slave_unmute, kctl);
|
|
|
|
if (ctl_ret)
|
|
*ctl_ret = kctl;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(__snd_hda_add_vmaster);
|
|
|
|
/*
|
|
* mute-LED control using vmaster
|
|
*/
|
|
static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
static const char * const texts[] = {
|
|
"Off", "On", "Follow Master"
|
|
};
|
|
unsigned int index;
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = 3;
|
|
index = uinfo->value.enumerated.item;
|
|
if (index >= 3)
|
|
index = 2;
|
|
strcpy(uinfo->value.enumerated.name, texts[index]);
|
|
return 0;
|
|
}
|
|
|
|
static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.enumerated.item[0] = hook->mute_mode;
|
|
return 0;
|
|
}
|
|
|
|
static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
|
|
unsigned int old_mode = hook->mute_mode;
|
|
|
|
hook->mute_mode = ucontrol->value.enumerated.item[0];
|
|
if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
|
|
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
|
|
if (old_mode == hook->mute_mode)
|
|
return 0;
|
|
snd_hda_sync_vmaster_hook(hook);
|
|
return 1;
|
|
}
|
|
|
|
static struct snd_kcontrol_new vmaster_mute_mode = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Mute-LED Mode",
|
|
.info = vmaster_mute_mode_info,
|
|
.get = vmaster_mute_mode_get,
|
|
.put = vmaster_mute_mode_put,
|
|
};
|
|
|
|
/*
|
|
* Add a mute-LED hook with the given vmaster switch kctl
|
|
* "Mute-LED Mode" control is automatically created and associated with
|
|
* the given hook.
|
|
*/
|
|
int snd_hda_add_vmaster_hook(struct hda_codec *codec,
|
|
struct hda_vmaster_mute_hook *hook,
|
|
bool expose_enum_ctl)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
|
|
if (!hook->hook || !hook->sw_kctl)
|
|
return 0;
|
|
snd_ctl_add_vmaster_hook(hook->sw_kctl, hook->hook, codec);
|
|
hook->codec = codec;
|
|
hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
|
|
if (!expose_enum_ctl)
|
|
return 0;
|
|
kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
return snd_hda_ctl_add(codec, 0, kctl);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_add_vmaster_hook);
|
|
|
|
/*
|
|
* Call the hook with the current value for synchronization
|
|
* Should be called in init callback
|
|
*/
|
|
void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
|
|
{
|
|
if (!hook->hook || !hook->codec)
|
|
return;
|
|
switch (hook->mute_mode) {
|
|
case HDA_VMUTE_FOLLOW_MASTER:
|
|
snd_ctl_sync_vmaster_hook(hook->sw_kctl);
|
|
break;
|
|
default:
|
|
hook->hook(hook->codec, hook->mute_mode);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_sync_vmaster_hook);
|
|
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
int chs = get_amp_channels(kcontrol);
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
uinfo->count = chs == 3 ? 2 : 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 1;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
|
|
if (chs & 1)
|
|
*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
|
|
HDA_AMP_MUTE) ? 0 : 1;
|
|
if (chs & 2)
|
|
*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
|
|
HDA_AMP_MUTE) ? 0 : 1;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_COMPOSE_AMP_VAL*() or related macros.
|
|
*/
|
|
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = get_amp_nid(kcontrol);
|
|
int chs = get_amp_channels(kcontrol);
|
|
int dir = get_amp_direction(kcontrol);
|
|
int idx = get_amp_index(kcontrol);
|
|
long *valp = ucontrol->value.integer.value;
|
|
int change = 0;
|
|
|
|
snd_hda_power_up(codec);
|
|
if (chs & 1) {
|
|
change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
|
|
HDA_AMP_MUTE,
|
|
*valp ? 0 : HDA_AMP_MUTE);
|
|
valp++;
|
|
}
|
|
if (chs & 2)
|
|
change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
|
|
HDA_AMP_MUTE,
|
|
*valp ? 0 : HDA_AMP_MUTE);
|
|
hda_call_check_power_status(codec, nid);
|
|
snd_hda_power_down(codec);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
|
|
|
|
/*
|
|
* bound volume controls
|
|
*
|
|
* bind multiple volumes (# indices, from 0)
|
|
*/
|
|
|
|
#define AMP_VAL_IDX_SHIFT 19
|
|
#define AMP_VAL_IDX_MASK (0x0f<<19)
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_switch_get - Get callback for a bound volume control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_MUTE*() macros.
|
|
*/
|
|
int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
unsigned long pval;
|
|
int err;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
pval = kcontrol->private_value;
|
|
kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
|
|
err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
|
|
kcontrol->private_value = pval;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_switch_put - Put callback for a bound volume control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_MUTE*() macros.
|
|
*/
|
|
int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
unsigned long pval;
|
|
int i, indices, err = 0, change = 0;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
pval = kcontrol->private_value;
|
|
indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
|
|
for (i = 0; i < indices; i++) {
|
|
kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
|
|
(i << AMP_VAL_IDX_SHIFT);
|
|
err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
|
|
if (err < 0)
|
|
break;
|
|
change |= err;
|
|
}
|
|
kcontrol->private_value = pval;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err < 0 ? err : change;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
|
|
*/
|
|
int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
struct hda_bind_ctls *c;
|
|
int err;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
c = (struct hda_bind_ctls *)kcontrol->private_value;
|
|
kcontrol->private_value = *c->values;
|
|
err = c->ops->info(kcontrol, uinfo);
|
|
kcontrol->private_value = (long)c;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
|
|
*/
|
|
int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
struct hda_bind_ctls *c;
|
|
int err;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
c = (struct hda_bind_ctls *)kcontrol->private_value;
|
|
kcontrol->private_value = *c->values;
|
|
err = c->ops->get(kcontrol, ucontrol);
|
|
kcontrol->private_value = (long)c;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
|
|
*/
|
|
int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
struct hda_bind_ctls *c;
|
|
unsigned long *vals;
|
|
int err = 0, change = 0;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
c = (struct hda_bind_ctls *)kcontrol->private_value;
|
|
for (vals = c->values; *vals; vals++) {
|
|
kcontrol->private_value = *vals;
|
|
err = c->ops->put(kcontrol, ucontrol);
|
|
if (err < 0)
|
|
break;
|
|
change |= err;
|
|
}
|
|
kcontrol->private_value = (long)c;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err < 0 ? err : change;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
|
|
|
|
/**
|
|
* snd_hda_mixer_bind_tlv - TLV callback for a generic bound control
|
|
*
|
|
* The control element is supposed to have the private_value field
|
|
* set up via HDA_BIND_VOL() macro.
|
|
*/
|
|
int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
|
|
unsigned int size, unsigned int __user *tlv)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
struct hda_bind_ctls *c;
|
|
int err;
|
|
|
|
mutex_lock(&codec->control_mutex);
|
|
c = (struct hda_bind_ctls *)kcontrol->private_value;
|
|
kcontrol->private_value = *c->values;
|
|
err = c->ops->tlv(kcontrol, op_flag, size, tlv);
|
|
kcontrol->private_value = (long)c;
|
|
mutex_unlock(&codec->control_mutex);
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
|
|
|
|
struct hda_ctl_ops snd_hda_bind_vol = {
|
|
.info = snd_hda_mixer_amp_volume_info,
|
|
.get = snd_hda_mixer_amp_volume_get,
|
|
.put = snd_hda_mixer_amp_volume_put,
|
|
.tlv = snd_hda_mixer_amp_tlv
|
|
};
|
|
EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
|
|
|
|
struct hda_ctl_ops snd_hda_bind_sw = {
|
|
.info = snd_hda_mixer_amp_switch_info,
|
|
.get = snd_hda_mixer_amp_switch_get,
|
|
.put = snd_hda_mixer_amp_switch_put,
|
|
.tlv = snd_hda_mixer_amp_tlv
|
|
};
|
|
EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
|
|
|
|
/*
|
|
* SPDIF out controls
|
|
*/
|
|
|
|
static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
|
|
uinfo->count = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
|
|
IEC958_AES0_NONAUDIO |
|
|
IEC958_AES0_CON_EMPHASIS_5015 |
|
|
IEC958_AES0_CON_NOT_COPYRIGHT;
|
|
ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
|
|
IEC958_AES1_CON_ORIGINAL;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
|
|
IEC958_AES0_NONAUDIO |
|
|
IEC958_AES0_PRO_EMPHASIS_5015;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
ucontrol->value.iec958.status[0] = spdif->status & 0xff;
|
|
ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
|
|
ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
|
|
ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* convert from SPDIF status bits to HDA SPDIF bits
|
|
* bit 0 (DigEn) is always set zero (to be filled later)
|
|
*/
|
|
static unsigned short convert_from_spdif_status(unsigned int sbits)
|
|
{
|
|
unsigned short val = 0;
|
|
|
|
if (sbits & IEC958_AES0_PROFESSIONAL)
|
|
val |= AC_DIG1_PROFESSIONAL;
|
|
if (sbits & IEC958_AES0_NONAUDIO)
|
|
val |= AC_DIG1_NONAUDIO;
|
|
if (sbits & IEC958_AES0_PROFESSIONAL) {
|
|
if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
|
|
IEC958_AES0_PRO_EMPHASIS_5015)
|
|
val |= AC_DIG1_EMPHASIS;
|
|
} else {
|
|
if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
|
|
IEC958_AES0_CON_EMPHASIS_5015)
|
|
val |= AC_DIG1_EMPHASIS;
|
|
if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
|
|
val |= AC_DIG1_COPYRIGHT;
|
|
if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
|
|
val |= AC_DIG1_LEVEL;
|
|
val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/* convert to SPDIF status bits from HDA SPDIF bits
|
|
*/
|
|
static unsigned int convert_to_spdif_status(unsigned short val)
|
|
{
|
|
unsigned int sbits = 0;
|
|
|
|
if (val & AC_DIG1_NONAUDIO)
|
|
sbits |= IEC958_AES0_NONAUDIO;
|
|
if (val & AC_DIG1_PROFESSIONAL)
|
|
sbits |= IEC958_AES0_PROFESSIONAL;
|
|
if (sbits & IEC958_AES0_PROFESSIONAL) {
|
|
if (sbits & AC_DIG1_EMPHASIS)
|
|
sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
|
|
} else {
|
|
if (val & AC_DIG1_EMPHASIS)
|
|
sbits |= IEC958_AES0_CON_EMPHASIS_5015;
|
|
if (!(val & AC_DIG1_COPYRIGHT))
|
|
sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
|
|
if (val & AC_DIG1_LEVEL)
|
|
sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
|
|
sbits |= val & (0x7f << 8);
|
|
}
|
|
return sbits;
|
|
}
|
|
|
|
/* set digital convert verbs both for the given NID and its slaves */
|
|
static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
|
|
int verb, int val)
|
|
{
|
|
const hda_nid_t *d;
|
|
|
|
snd_hda_codec_write_cache(codec, nid, 0, verb, val);
|
|
d = codec->slave_dig_outs;
|
|
if (!d)
|
|
return;
|
|
for (; *d; d++)
|
|
snd_hda_codec_write_cache(codec, *d, 0, verb, val);
|
|
}
|
|
|
|
static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
|
|
int dig1, int dig2)
|
|
{
|
|
if (dig1 != -1)
|
|
set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
|
|
if (dig2 != -1)
|
|
set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
|
|
}
|
|
|
|
static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
hda_nid_t nid;
|
|
unsigned short val;
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
nid = spdif->nid;
|
|
spdif->status = ucontrol->value.iec958.status[0] |
|
|
((unsigned int)ucontrol->value.iec958.status[1] << 8) |
|
|
((unsigned int)ucontrol->value.iec958.status[2] << 16) |
|
|
((unsigned int)ucontrol->value.iec958.status[3] << 24);
|
|
val = convert_from_spdif_status(spdif->status);
|
|
val |= spdif->ctls & 1;
|
|
change = spdif->ctls != val;
|
|
spdif->ctls = val;
|
|
if (change && nid != (u16)-1)
|
|
set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
|
|
|
|
static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
|
|
int dig1, int dig2)
|
|
{
|
|
set_dig_out_convert(codec, nid, dig1, dig2);
|
|
/* unmute amp switch (if any) */
|
|
if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
|
|
(dig1 & AC_DIG1_ENABLE))
|
|
snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
|
|
HDA_AMP_MUTE, 0);
|
|
}
|
|
|
|
static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
int idx = kcontrol->private_value;
|
|
struct hda_spdif_out *spdif;
|
|
hda_nid_t nid;
|
|
unsigned short val;
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
nid = spdif->nid;
|
|
val = spdif->ctls & ~AC_DIG1_ENABLE;
|
|
if (ucontrol->value.integer.value[0])
|
|
val |= AC_DIG1_ENABLE;
|
|
change = spdif->ctls != val;
|
|
spdif->ctls = val;
|
|
if (change && nid != (u16)-1)
|
|
set_spdif_ctls(codec, nid, val & 0xff, -1);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new dig_mixes[] = {
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_cmask_get,
|
|
},
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_pmask_get,
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_default_get,
|
|
.put = snd_hda_spdif_default_put,
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
|
|
.info = snd_hda_spdif_out_switch_info,
|
|
.get = snd_hda_spdif_out_switch_get,
|
|
.put = snd_hda_spdif_out_switch_put,
|
|
},
|
|
{ } /* end */
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
|
|
* @codec: the HDA codec
|
|
* @nid: audio out widget NID
|
|
*
|
|
* Creates controls related with the SPDIF output.
|
|
* Called from each patch supporting the SPDIF out.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_create_spdif_out_ctls(struct hda_codec *codec,
|
|
hda_nid_t associated_nid,
|
|
hda_nid_t cvt_nid)
|
|
{
|
|
int err;
|
|
struct snd_kcontrol *kctl;
|
|
struct snd_kcontrol_new *dig_mix;
|
|
int idx;
|
|
struct hda_spdif_out *spdif;
|
|
|
|
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch");
|
|
if (idx < 0) {
|
|
printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
|
|
return -EBUSY;
|
|
}
|
|
spdif = snd_array_new(&codec->spdif_out);
|
|
for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
|
|
kctl = snd_ctl_new1(dig_mix, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
kctl->id.index = idx;
|
|
kctl->private_value = codec->spdif_out.used - 1;
|
|
err = snd_hda_ctl_add(codec, associated_nid, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
spdif->nid = cvt_nid;
|
|
spdif->ctls = snd_hda_codec_read(codec, cvt_nid, 0,
|
|
AC_VERB_GET_DIGI_CONVERT_1, 0);
|
|
spdif->status = convert_to_spdif_status(spdif->ctls);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls);
|
|
|
|
/* get the hda_spdif_out entry from the given NID
|
|
* call within spdif_mutex lock
|
|
*/
|
|
struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
|
|
hda_nid_t nid)
|
|
{
|
|
int i;
|
|
for (i = 0; i < codec->spdif_out.used; i++) {
|
|
struct hda_spdif_out *spdif =
|
|
snd_array_elem(&codec->spdif_out, i);
|
|
if (spdif->nid == nid)
|
|
return spdif;
|
|
}
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_spdif_out_of_nid);
|
|
|
|
void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
|
|
{
|
|
struct hda_spdif_out *spdif;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
spdif->nid = (u16)-1;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_unassign);
|
|
|
|
void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
|
|
{
|
|
struct hda_spdif_out *spdif;
|
|
unsigned short val;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_array_elem(&codec->spdif_out, idx);
|
|
if (spdif->nid != nid) {
|
|
spdif->nid = nid;
|
|
val = spdif->ctls;
|
|
set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_assign);
|
|
|
|
/*
|
|
* SPDIF sharing with analog output
|
|
*/
|
|
static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.integer.value[0] = mout->share_spdif;
|
|
return 0;
|
|
}
|
|
|
|
static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
|
|
mout->share_spdif = !!ucontrol->value.integer.value[0];
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_kcontrol_new spdif_share_sw = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "IEC958 Default PCM Playback Switch",
|
|
.info = snd_ctl_boolean_mono_info,
|
|
.get = spdif_share_sw_get,
|
|
.put = spdif_share_sw_put,
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_spdif_share_sw - create Default PCM switch
|
|
* @codec: the HDA codec
|
|
* @mout: multi-out instance
|
|
*/
|
|
int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
if (!mout->dig_out_nid)
|
|
return 0;
|
|
/* ATTENTION: here mout is passed as private_data, instead of codec */
|
|
return snd_hda_ctl_add(codec, mout->dig_out_nid,
|
|
snd_ctl_new1(&spdif_share_sw, mout));
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
|
|
|
|
/*
|
|
* SPDIF input
|
|
*/
|
|
|
|
#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
|
|
|
|
static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
ucontrol->value.integer.value[0] = codec->spdif_in_enable;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = kcontrol->private_value;
|
|
unsigned int val = !!ucontrol->value.integer.value[0];
|
|
int change;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
change = codec->spdif_in_enable != val;
|
|
if (change) {
|
|
codec->spdif_in_enable = val;
|
|
snd_hda_codec_write_cache(codec, nid, 0,
|
|
AC_VERB_SET_DIGI_CONVERT_1, val);
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return change;
|
|
}
|
|
|
|
static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
hda_nid_t nid = kcontrol->private_value;
|
|
unsigned short val;
|
|
unsigned int sbits;
|
|
|
|
val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
|
|
sbits = convert_to_spdif_status(val);
|
|
ucontrol->value.iec958.status[0] = sbits;
|
|
ucontrol->value.iec958.status[1] = sbits >> 8;
|
|
ucontrol->value.iec958.status[2] = sbits >> 16;
|
|
ucontrol->value.iec958.status[3] = sbits >> 24;
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_kcontrol_new dig_in_ctls[] = {
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
|
|
.info = snd_hda_spdif_in_switch_info,
|
|
.get = snd_hda_spdif_in_switch_get,
|
|
.put = snd_hda_spdif_in_switch_put,
|
|
},
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
|
|
.info = snd_hda_spdif_mask_info,
|
|
.get = snd_hda_spdif_in_status_get,
|
|
},
|
|
{ } /* end */
|
|
};
|
|
|
|
/**
|
|
* snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
|
|
* @codec: the HDA codec
|
|
* @nid: audio in widget NID
|
|
*
|
|
* Creates controls related with the SPDIF input.
|
|
* Called from each patch supporting the SPDIF in.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
int err;
|
|
struct snd_kcontrol *kctl;
|
|
struct snd_kcontrol_new *dig_mix;
|
|
int idx;
|
|
|
|
idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch");
|
|
if (idx < 0) {
|
|
printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
|
|
return -EBUSY;
|
|
}
|
|
for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
|
|
kctl = snd_ctl_new1(dig_mix, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
kctl->private_value = nid;
|
|
err = snd_hda_ctl_add(codec, nid, kctl);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
codec->spdif_in_enable =
|
|
snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_DIGI_CONVERT_1, 0) &
|
|
AC_DIG1_ENABLE;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
|
|
|
|
#ifdef CONFIG_PM
|
|
/*
|
|
* command cache
|
|
*/
|
|
|
|
/* build a 32bit cache key with the widget id and the command parameter */
|
|
#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
|
|
#define get_cmd_cache_nid(key) ((key) & 0xff)
|
|
#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
|
|
|
|
/**
|
|
* snd_hda_codec_write_cache - send a single command with caching
|
|
* @codec: the HDA codec
|
|
* @nid: NID to send the command
|
|
* @direct: direct flag
|
|
* @verb: the verb to send
|
|
* @parm: the parameter for the verb
|
|
*
|
|
* Send a single command without waiting for response.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
|
|
int direct, unsigned int verb, unsigned int parm)
|
|
{
|
|
int err = snd_hda_codec_write(codec, nid, direct, verb, parm);
|
|
struct hda_cache_head *c;
|
|
u32 key;
|
|
|
|
if (err < 0)
|
|
return err;
|
|
/* parm may contain the verb stuff for get/set amp */
|
|
verb = verb | (parm >> 8);
|
|
parm &= 0xff;
|
|
key = build_cmd_cache_key(nid, verb);
|
|
mutex_lock(&codec->bus->cmd_mutex);
|
|
c = get_alloc_hash(&codec->cmd_cache, key);
|
|
if (c)
|
|
c->val = parm;
|
|
mutex_unlock(&codec->bus->cmd_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
|
|
|
|
/**
|
|
* snd_hda_codec_update_cache - check cache and write the cmd only when needed
|
|
* @codec: the HDA codec
|
|
* @nid: NID to send the command
|
|
* @direct: direct flag
|
|
* @verb: the verb to send
|
|
* @parm: the parameter for the verb
|
|
*
|
|
* This function works like snd_hda_codec_write_cache(), but it doesn't send
|
|
* command if the parameter is already identical with the cached value.
|
|
* If not, it sends the command and refreshes the cache.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
|
|
int direct, unsigned int verb, unsigned int parm)
|
|
{
|
|
struct hda_cache_head *c;
|
|
u32 key;
|
|
|
|
/* parm may contain the verb stuff for get/set amp */
|
|
verb = verb | (parm >> 8);
|
|
parm &= 0xff;
|
|
key = build_cmd_cache_key(nid, verb);
|
|
mutex_lock(&codec->bus->cmd_mutex);
|
|
c = get_hash(&codec->cmd_cache, key);
|
|
if (c && c->val == parm) {
|
|
mutex_unlock(&codec->bus->cmd_mutex);
|
|
return 0;
|
|
}
|
|
mutex_unlock(&codec->bus->cmd_mutex);
|
|
return snd_hda_codec_write_cache(codec, nid, direct, verb, parm);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_update_cache);
|
|
|
|
/**
|
|
* snd_hda_codec_resume_cache - Resume the all commands from the cache
|
|
* @codec: HD-audio codec
|
|
*
|
|
* Execute all verbs recorded in the command caches to resume.
|
|
*/
|
|
void snd_hda_codec_resume_cache(struct hda_codec *codec)
|
|
{
|
|
struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
|
|
u32 key = buffer->key;
|
|
if (!key)
|
|
continue;
|
|
snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
|
|
get_cmd_cache_cmd(key), buffer->val);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
|
|
|
|
/**
|
|
* snd_hda_sequence_write_cache - sequence writes with caching
|
|
* @codec: the HDA codec
|
|
* @seq: VERB array to send
|
|
*
|
|
* Send the commands sequentially from the given array.
|
|
* Thte commands are recorded on cache for power-save and resume.
|
|
* The array must be terminated with NID=0.
|
|
*/
|
|
void snd_hda_sequence_write_cache(struct hda_codec *codec,
|
|
const struct hda_verb *seq)
|
|
{
|
|
for (; seq->nid; seq++)
|
|
snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
|
|
seq->param);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
|
|
#endif /* CONFIG_PM */
|
|
|
|
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
|
|
unsigned int power_state,
|
|
bool eapd_workaround)
|
|
{
|
|
hda_nid_t nid = codec->start_nid;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->num_nodes; i++, nid++) {
|
|
unsigned int wcaps = get_wcaps(codec, nid);
|
|
if (!(wcaps & AC_WCAP_POWER))
|
|
continue;
|
|
/* don't power down the widget if it controls eapd and
|
|
* EAPD_BTLENABLE is set.
|
|
*/
|
|
if (eapd_workaround && power_state == AC_PWRST_D3 &&
|
|
get_wcaps_type(wcaps) == AC_WID_PIN &&
|
|
(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
|
|
int eapd = snd_hda_codec_read(codec, nid, 0,
|
|
AC_VERB_GET_EAPD_BTLENABLE, 0);
|
|
if (eapd & 0x02)
|
|
continue;
|
|
}
|
|
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
|
|
power_state);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all);
|
|
|
|
/*
|
|
* supported power states check
|
|
*/
|
|
static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec, hda_nid_t fg,
|
|
unsigned int power_state)
|
|
{
|
|
int sup = snd_hda_param_read(codec, fg, AC_PAR_POWER_STATE);
|
|
|
|
if (sup == -1)
|
|
return false;
|
|
if (sup & power_state)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* wait until the state is reached, returns the current state
|
|
*/
|
|
static unsigned int hda_sync_power_state(struct hda_codec *codec,
|
|
hda_nid_t fg,
|
|
unsigned int power_state)
|
|
{
|
|
unsigned long end_time = jiffies + msecs_to_jiffies(500);
|
|
unsigned int state, actual_state;
|
|
|
|
for (;;) {
|
|
state = snd_hda_codec_read(codec, fg, 0,
|
|
AC_VERB_GET_POWER_STATE, 0);
|
|
if (state & AC_PWRST_ERROR)
|
|
break;
|
|
actual_state = (state >> 4) & 0x0f;
|
|
if (actual_state == power_state)
|
|
break;
|
|
if (time_after_eq(jiffies, end_time))
|
|
break;
|
|
/* wait until the codec reachs to the target state */
|
|
msleep(1);
|
|
}
|
|
return state;
|
|
}
|
|
|
|
/*
|
|
* set power state of the codec, and return the power state
|
|
*/
|
|
static unsigned int hda_set_power_state(struct hda_codec *codec,
|
|
unsigned int power_state)
|
|
{
|
|
hda_nid_t fg = codec->afg ? codec->afg : codec->mfg;
|
|
int count;
|
|
unsigned int state;
|
|
|
|
/* this delay seems necessary to avoid click noise at power-down */
|
|
if (power_state == AC_PWRST_D3) {
|
|
/* transition time less than 10ms for power down */
|
|
msleep(codec->epss ? 10 : 100);
|
|
}
|
|
|
|
/* repeat power states setting at most 10 times*/
|
|
for (count = 0; count < 10; count++) {
|
|
if (codec->patch_ops.set_power_state)
|
|
codec->patch_ops.set_power_state(codec, fg,
|
|
power_state);
|
|
else {
|
|
snd_hda_codec_read(codec, fg, 0,
|
|
AC_VERB_SET_POWER_STATE,
|
|
power_state);
|
|
snd_hda_codec_set_power_to_all(codec, fg, power_state,
|
|
true);
|
|
}
|
|
state = hda_sync_power_state(codec, fg, power_state);
|
|
if (!(state & AC_PWRST_ERROR))
|
|
break;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
#ifdef CONFIG_SND_HDA_HWDEP
|
|
/* execute additional init verbs */
|
|
static void hda_exec_init_verbs(struct hda_codec *codec)
|
|
{
|
|
if (codec->init_verbs.list)
|
|
snd_hda_sequence_write(codec, codec->init_verbs.list);
|
|
}
|
|
#else
|
|
static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM
|
|
/*
|
|
* call suspend and power-down; used both from PM and power-save
|
|
* this function returns the power state in the end
|
|
*/
|
|
static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
|
|
{
|
|
unsigned int state;
|
|
|
|
if (codec->patch_ops.suspend)
|
|
codec->patch_ops.suspend(codec);
|
|
hda_cleanup_all_streams(codec);
|
|
state = hda_set_power_state(codec, AC_PWRST_D3);
|
|
cancel_delayed_work(&codec->power_work);
|
|
spin_lock(&codec->power_lock);
|
|
snd_hda_update_power_acct(codec);
|
|
trace_hda_power_down(codec);
|
|
codec->power_on = 0;
|
|
codec->power_transition = 0;
|
|
codec->power_jiffies = jiffies;
|
|
spin_unlock(&codec->power_lock);
|
|
return state;
|
|
}
|
|
|
|
/*
|
|
* kick up codec; used both from PM and power-save
|
|
*/
|
|
static void hda_call_codec_resume(struct hda_codec *codec)
|
|
{
|
|
/* set as if powered on for avoiding re-entering the resume
|
|
* in the resume / power-save sequence
|
|
*/
|
|
hda_keep_power_on(codec);
|
|
hda_set_power_state(codec, AC_PWRST_D0);
|
|
restore_pincfgs(codec); /* restore all current pin configs */
|
|
restore_shutup_pins(codec);
|
|
hda_exec_init_verbs(codec);
|
|
snd_hda_jack_set_dirty_all(codec);
|
|
if (codec->patch_ops.resume)
|
|
codec->patch_ops.resume(codec);
|
|
else {
|
|
if (codec->patch_ops.init)
|
|
codec->patch_ops.init(codec);
|
|
snd_hda_codec_resume_amp(codec);
|
|
snd_hda_codec_resume_cache(codec);
|
|
}
|
|
snd_hda_jack_report_sync(codec);
|
|
snd_hda_power_down(codec); /* flag down before returning */
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
|
/**
|
|
* snd_hda_build_controls - build mixer controls
|
|
* @bus: the BUS
|
|
*
|
|
* Creates mixer controls for each codec included in the bus.
|
|
*
|
|
* Returns 0 if successful, otherwise a negative error code.
|
|
*/
|
|
int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
int err = snd_hda_codec_build_controls(codec);
|
|
if (err < 0) {
|
|
printk(KERN_ERR "hda_codec: cannot build controls "
|
|
"for #%d (error %d)\n", codec->addr, err);
|
|
err = snd_hda_codec_reset(codec);
|
|
if (err < 0) {
|
|
printk(KERN_ERR
|
|
"hda_codec: cannot revert codec\n");
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_build_controls);
|
|
|
|
int snd_hda_codec_build_controls(struct hda_codec *codec)
|
|
{
|
|
int err = 0;
|
|
hda_exec_init_verbs(codec);
|
|
/* continue to initialize... */
|
|
if (codec->patch_ops.init)
|
|
err = codec->patch_ops.init(codec);
|
|
if (!err && codec->patch_ops.build_controls)
|
|
err = codec->patch_ops.build_controls(codec);
|
|
if (err < 0)
|
|
return err;
|
|
snd_hda_jack_report_sync(codec); /* call at the last init point */
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* stream formats
|
|
*/
|
|
struct hda_rate_tbl {
|
|
unsigned int hz;
|
|
unsigned int alsa_bits;
|
|
unsigned int hda_fmt;
|
|
};
|
|
|
|
/* rate = base * mult / div */
|
|
#define HDA_RATE(base, mult, div) \
|
|
(AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
|
|
(((div) - 1) << AC_FMT_DIV_SHIFT))
|
|
|
|
static struct hda_rate_tbl rate_bits[] = {
|
|
/* rate in Hz, ALSA rate bitmask, HDA format value */
|
|
|
|
/* autodetected value used in snd_hda_query_supported_pcm */
|
|
{ 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
|
|
{ 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
|
|
{ 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
|
|
{ 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
|
|
{ 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
|
|
{ 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
|
|
{ 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
|
|
{ 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
|
|
{ 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
|
|
{ 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
|
|
{ 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
|
|
#define AC_PAR_PCM_RATE_BITS 11
|
|
/* up to bits 10, 384kHZ isn't supported properly */
|
|
|
|
/* not autodetected value */
|
|
{ 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
|
|
|
|
{ 0 } /* terminator */
|
|
};
|
|
|
|
/**
|
|
* snd_hda_calc_stream_format - calculate format bitset
|
|
* @rate: the sample rate
|
|
* @channels: the number of channels
|
|
* @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
|
|
* @maxbps: the max. bps
|
|
*
|
|
* Calculate the format bitset from the given rate, channels and th PCM format.
|
|
*
|
|
* Return zero if invalid.
|
|
*/
|
|
unsigned int snd_hda_calc_stream_format(unsigned int rate,
|
|
unsigned int channels,
|
|
unsigned int format,
|
|
unsigned int maxbps,
|
|
unsigned short spdif_ctls)
|
|
{
|
|
int i;
|
|
unsigned int val = 0;
|
|
|
|
for (i = 0; rate_bits[i].hz; i++)
|
|
if (rate_bits[i].hz == rate) {
|
|
val = rate_bits[i].hda_fmt;
|
|
break;
|
|
}
|
|
if (!rate_bits[i].hz) {
|
|
snd_printdd("invalid rate %d\n", rate);
|
|
return 0;
|
|
}
|
|
|
|
if (channels == 0 || channels > 8) {
|
|
snd_printdd("invalid channels %d\n", channels);
|
|
return 0;
|
|
}
|
|
val |= channels - 1;
|
|
|
|
switch (snd_pcm_format_width(format)) {
|
|
case 8:
|
|
val |= AC_FMT_BITS_8;
|
|
break;
|
|
case 16:
|
|
val |= AC_FMT_BITS_16;
|
|
break;
|
|
case 20:
|
|
case 24:
|
|
case 32:
|
|
if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
|
|
val |= AC_FMT_BITS_32;
|
|
else if (maxbps >= 24)
|
|
val |= AC_FMT_BITS_24;
|
|
else
|
|
val |= AC_FMT_BITS_20;
|
|
break;
|
|
default:
|
|
snd_printdd("invalid format width %d\n",
|
|
snd_pcm_format_width(format));
|
|
return 0;
|
|
}
|
|
|
|
if (spdif_ctls & AC_DIG1_NONAUDIO)
|
|
val |= AC_FMT_TYPE_NON_PCM;
|
|
|
|
return val;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
|
|
|
|
static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid,
|
|
int dir)
|
|
{
|
|
unsigned int val = 0;
|
|
if (nid != codec->afg &&
|
|
(get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
|
|
val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
|
|
if (!val || val == -1)
|
|
val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
|
|
if (!val || val == -1)
|
|
return 0;
|
|
return val;
|
|
}
|
|
|
|
static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
return query_caps_hash(codec, nid, 0, HDA_HASH_PARPCM_KEY(nid),
|
|
get_pcm_param);
|
|
}
|
|
|
|
static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid,
|
|
int dir)
|
|
{
|
|
unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
|
|
if (!streams || streams == -1)
|
|
streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
|
|
if (!streams || streams == -1)
|
|
return 0;
|
|
return streams;
|
|
}
|
|
|
|
static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
return query_caps_hash(codec, nid, 0, HDA_HASH_PARSTR_KEY(nid),
|
|
get_stream_param);
|
|
}
|
|
|
|
/**
|
|
* snd_hda_query_supported_pcm - query the supported PCM rates and formats
|
|
* @codec: the HDA codec
|
|
* @nid: NID to query
|
|
* @ratesp: the pointer to store the detected rate bitflags
|
|
* @formatsp: the pointer to store the detected formats
|
|
* @bpsp: the pointer to store the detected format widths
|
|
*
|
|
* Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
|
|
* or @bsps argument is ignored.
|
|
*
|
|
* Returns 0 if successful, otherwise a negative error code.
|
|
*/
|
|
int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
|
|
u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
|
|
{
|
|
unsigned int i, val, wcaps;
|
|
|
|
wcaps = get_wcaps(codec, nid);
|
|
val = query_pcm_param(codec, nid);
|
|
|
|
if (ratesp) {
|
|
u32 rates = 0;
|
|
for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
|
|
if (val & (1 << i))
|
|
rates |= rate_bits[i].alsa_bits;
|
|
}
|
|
if (rates == 0) {
|
|
snd_printk(KERN_ERR "hda_codec: rates == 0 "
|
|
"(nid=0x%x, val=0x%x, ovrd=%i)\n",
|
|
nid, val,
|
|
(wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
|
|
return -EIO;
|
|
}
|
|
*ratesp = rates;
|
|
}
|
|
|
|
if (formatsp || bpsp) {
|
|
u64 formats = 0;
|
|
unsigned int streams, bps;
|
|
|
|
streams = query_stream_param(codec, nid);
|
|
if (!streams)
|
|
return -EIO;
|
|
|
|
bps = 0;
|
|
if (streams & AC_SUPFMT_PCM) {
|
|
if (val & AC_SUPPCM_BITS_8) {
|
|
formats |= SNDRV_PCM_FMTBIT_U8;
|
|
bps = 8;
|
|
}
|
|
if (val & AC_SUPPCM_BITS_16) {
|
|
formats |= SNDRV_PCM_FMTBIT_S16_LE;
|
|
bps = 16;
|
|
}
|
|
if (wcaps & AC_WCAP_DIGITAL) {
|
|
if (val & AC_SUPPCM_BITS_32)
|
|
formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
|
|
if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
|
|
formats |= SNDRV_PCM_FMTBIT_S32_LE;
|
|
if (val & AC_SUPPCM_BITS_24)
|
|
bps = 24;
|
|
else if (val & AC_SUPPCM_BITS_20)
|
|
bps = 20;
|
|
} else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
|
|
AC_SUPPCM_BITS_32)) {
|
|
formats |= SNDRV_PCM_FMTBIT_S32_LE;
|
|
if (val & AC_SUPPCM_BITS_32)
|
|
bps = 32;
|
|
else if (val & AC_SUPPCM_BITS_24)
|
|
bps = 24;
|
|
else if (val & AC_SUPPCM_BITS_20)
|
|
bps = 20;
|
|
}
|
|
}
|
|
#if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
|
|
if (streams & AC_SUPFMT_FLOAT32) {
|
|
formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
|
|
if (!bps)
|
|
bps = 32;
|
|
}
|
|
#endif
|
|
if (streams == AC_SUPFMT_AC3) {
|
|
/* should be exclusive */
|
|
/* temporary hack: we have still no proper support
|
|
* for the direct AC3 stream...
|
|
*/
|
|
formats |= SNDRV_PCM_FMTBIT_U8;
|
|
bps = 8;
|
|
}
|
|
if (formats == 0) {
|
|
snd_printk(KERN_ERR "hda_codec: formats == 0 "
|
|
"(nid=0x%x, val=0x%x, ovrd=%i, "
|
|
"streams=0x%x)\n",
|
|
nid, val,
|
|
(wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
|
|
streams);
|
|
return -EIO;
|
|
}
|
|
if (formatsp)
|
|
*formatsp = formats;
|
|
if (bpsp)
|
|
*bpsp = bps;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_query_supported_pcm);
|
|
|
|
/**
|
|
* snd_hda_is_supported_format - Check the validity of the format
|
|
* @codec: HD-audio codec
|
|
* @nid: NID to check
|
|
* @format: the HD-audio format value to check
|
|
*
|
|
* Check whether the given node supports the format value.
|
|
*
|
|
* Returns 1 if supported, 0 if not.
|
|
*/
|
|
int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int format)
|
|
{
|
|
int i;
|
|
unsigned int val = 0, rate, stream;
|
|
|
|
val = query_pcm_param(codec, nid);
|
|
if (!val)
|
|
return 0;
|
|
|
|
rate = format & 0xff00;
|
|
for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
|
|
if (rate_bits[i].hda_fmt == rate) {
|
|
if (val & (1 << i))
|
|
break;
|
|
return 0;
|
|
}
|
|
if (i >= AC_PAR_PCM_RATE_BITS)
|
|
return 0;
|
|
|
|
stream = query_stream_param(codec, nid);
|
|
if (!stream)
|
|
return 0;
|
|
|
|
if (stream & AC_SUPFMT_PCM) {
|
|
switch (format & 0xf0) {
|
|
case 0x00:
|
|
if (!(val & AC_SUPPCM_BITS_8))
|
|
return 0;
|
|
break;
|
|
case 0x10:
|
|
if (!(val & AC_SUPPCM_BITS_16))
|
|
return 0;
|
|
break;
|
|
case 0x20:
|
|
if (!(val & AC_SUPPCM_BITS_20))
|
|
return 0;
|
|
break;
|
|
case 0x30:
|
|
if (!(val & AC_SUPPCM_BITS_24))
|
|
return 0;
|
|
break;
|
|
case 0x40:
|
|
if (!(val & AC_SUPPCM_BITS_32))
|
|
return 0;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
} else {
|
|
/* FIXME: check for float32 and AC3? */
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
|
|
|
|
/*
|
|
* PCM stuff
|
|
*/
|
|
static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
|
|
return 0;
|
|
}
|
|
|
|
static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
snd_hda_codec_cleanup_stream(codec, hinfo->nid);
|
|
return 0;
|
|
}
|
|
|
|
static int set_pcm_default_values(struct hda_codec *codec,
|
|
struct hda_pcm_stream *info)
|
|
{
|
|
int err;
|
|
|
|
/* query support PCM information from the given NID */
|
|
if (info->nid && (!info->rates || !info->formats)) {
|
|
err = snd_hda_query_supported_pcm(codec, info->nid,
|
|
info->rates ? NULL : &info->rates,
|
|
info->formats ? NULL : &info->formats,
|
|
info->maxbps ? NULL : &info->maxbps);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
if (info->ops.open == NULL)
|
|
info->ops.open = hda_pcm_default_open_close;
|
|
if (info->ops.close == NULL)
|
|
info->ops.close = hda_pcm_default_open_close;
|
|
if (info->ops.prepare == NULL) {
|
|
if (snd_BUG_ON(!info->nid))
|
|
return -EINVAL;
|
|
info->ops.prepare = hda_pcm_default_prepare;
|
|
}
|
|
if (info->ops.cleanup == NULL) {
|
|
if (snd_BUG_ON(!info->nid))
|
|
return -EINVAL;
|
|
info->ops.cleanup = hda_pcm_default_cleanup;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* codec prepare/cleanup entries
|
|
*/
|
|
int snd_hda_codec_prepare(struct hda_codec *codec,
|
|
struct hda_pcm_stream *hinfo,
|
|
unsigned int stream,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
int ret;
|
|
mutex_lock(&codec->bus->prepare_mutex);
|
|
ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream);
|
|
if (ret >= 0)
|
|
purify_inactive_streams(codec);
|
|
mutex_unlock(&codec->bus->prepare_mutex);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_prepare);
|
|
|
|
void snd_hda_codec_cleanup(struct hda_codec *codec,
|
|
struct hda_pcm_stream *hinfo,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
mutex_lock(&codec->bus->prepare_mutex);
|
|
hinfo->ops.cleanup(hinfo, codec, substream);
|
|
mutex_unlock(&codec->bus->prepare_mutex);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup);
|
|
|
|
/* global */
|
|
const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
|
|
"Audio", "SPDIF", "HDMI", "Modem"
|
|
};
|
|
|
|
/*
|
|
* get the empty PCM device number to assign
|
|
*
|
|
* note the max device number is limited by HDA_MAX_PCMS, currently 10
|
|
*/
|
|
static int get_empty_pcm_device(struct hda_bus *bus, int type)
|
|
{
|
|
/* audio device indices; not linear to keep compatibility */
|
|
static int audio_idx[HDA_PCM_NTYPES][5] = {
|
|
[HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
|
|
[HDA_PCM_TYPE_SPDIF] = { 1, -1 },
|
|
[HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
|
|
[HDA_PCM_TYPE_MODEM] = { 6, -1 },
|
|
};
|
|
int i;
|
|
|
|
if (type >= HDA_PCM_NTYPES) {
|
|
snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; audio_idx[type][i] >= 0 ; i++)
|
|
if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
|
|
return audio_idx[type][i];
|
|
|
|
/* non-fixed slots starting from 10 */
|
|
for (i = 10; i < 32; i++) {
|
|
if (!test_and_set_bit(i, bus->pcm_dev_bits))
|
|
return i;
|
|
}
|
|
|
|
snd_printk(KERN_WARNING "Too many %s devices\n",
|
|
snd_hda_pcm_type_name[type]);
|
|
return -EAGAIN;
|
|
}
|
|
|
|
/*
|
|
* attach a new PCM stream
|
|
*/
|
|
static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
|
|
{
|
|
struct hda_bus *bus = codec->bus;
|
|
struct hda_pcm_stream *info;
|
|
int stream, err;
|
|
|
|
if (snd_BUG_ON(!pcm->name))
|
|
return -EINVAL;
|
|
for (stream = 0; stream < 2; stream++) {
|
|
info = &pcm->stream[stream];
|
|
if (info->substreams) {
|
|
err = set_pcm_default_values(codec, info);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
}
|
|
return bus->ops.attach_pcm(bus, codec, pcm);
|
|
}
|
|
|
|
/* assign all PCMs of the given codec */
|
|
int snd_hda_codec_build_pcms(struct hda_codec *codec)
|
|
{
|
|
unsigned int pcm;
|
|
int err;
|
|
|
|
if (!codec->num_pcms) {
|
|
if (!codec->patch_ops.build_pcms)
|
|
return 0;
|
|
err = codec->patch_ops.build_pcms(codec);
|
|
if (err < 0) {
|
|
printk(KERN_ERR "hda_codec: cannot build PCMs"
|
|
"for #%d (error %d)\n", codec->addr, err);
|
|
err = snd_hda_codec_reset(codec);
|
|
if (err < 0) {
|
|
printk(KERN_ERR
|
|
"hda_codec: cannot revert codec\n");
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
for (pcm = 0; pcm < codec->num_pcms; pcm++) {
|
|
struct hda_pcm *cpcm = &codec->pcm_info[pcm];
|
|
int dev;
|
|
|
|
if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
|
|
continue; /* no substreams assigned */
|
|
|
|
if (!cpcm->pcm) {
|
|
dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
|
|
if (dev < 0)
|
|
continue; /* no fatal error */
|
|
cpcm->device = dev;
|
|
err = snd_hda_attach_pcm(codec, cpcm);
|
|
if (err < 0) {
|
|
printk(KERN_ERR "hda_codec: cannot attach "
|
|
"PCM stream %d for codec #%d\n",
|
|
dev, codec->addr);
|
|
continue; /* no fatal error */
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* snd_hda_build_pcms - build PCM information
|
|
* @bus: the BUS
|
|
*
|
|
* Create PCM information for each codec included in the bus.
|
|
*
|
|
* The build_pcms codec patch is requested to set up codec->num_pcms and
|
|
* codec->pcm_info properly. The array is referred by the top-level driver
|
|
* to create its PCM instances.
|
|
* The allocated codec->pcm_info should be released in codec->patch_ops.free
|
|
* callback.
|
|
*
|
|
* At least, substreams, channels_min and channels_max must be filled for
|
|
* each stream. substreams = 0 indicates that the stream doesn't exist.
|
|
* When rates and/or formats are zero, the supported values are queried
|
|
* from the given nid. The nid is used also by the default ops.prepare
|
|
* and ops.cleanup callbacks.
|
|
*
|
|
* The driver needs to call ops.open in its open callback. Similarly,
|
|
* ops.close is supposed to be called in the close callback.
|
|
* ops.prepare should be called in the prepare or hw_params callback
|
|
* with the proper parameters for set up.
|
|
* ops.cleanup should be called in hw_free for clean up of streams.
|
|
*
|
|
* This function returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_build_pcms(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
int err = snd_hda_codec_build_pcms(codec);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
|
|
|
|
/**
|
|
* snd_hda_check_board_config - compare the current codec with the config table
|
|
* @codec: the HDA codec
|
|
* @num_configs: number of config enums
|
|
* @models: array of model name strings
|
|
* @tbl: configuration table, terminated by null entries
|
|
*
|
|
* Compares the modelname or PCI subsystem id of the current codec with the
|
|
* given configuration table. If a matching entry is found, returns its
|
|
* config value (supposed to be 0 or positive).
|
|
*
|
|
* If no entries are matching, the function returns a negative value.
|
|
*/
|
|
int snd_hda_check_board_config(struct hda_codec *codec,
|
|
int num_configs, const char * const *models,
|
|
const struct snd_pci_quirk *tbl)
|
|
{
|
|
if (codec->modelname && models) {
|
|
int i;
|
|
for (i = 0; i < num_configs; i++) {
|
|
if (models[i] &&
|
|
!strcmp(codec->modelname, models[i])) {
|
|
snd_printd(KERN_INFO "hda_codec: model '%s' is "
|
|
"selected\n", models[i]);
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!codec->bus->pci || !tbl)
|
|
return -1;
|
|
|
|
tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
|
|
if (!tbl)
|
|
return -1;
|
|
if (tbl->value >= 0 && tbl->value < num_configs) {
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
char tmp[10];
|
|
const char *model = NULL;
|
|
if (models)
|
|
model = models[tbl->value];
|
|
if (!model) {
|
|
sprintf(tmp, "#%d", tbl->value);
|
|
model = tmp;
|
|
}
|
|
snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
|
|
"for config %x:%x (%s)\n",
|
|
model, tbl->subvendor, tbl->subdevice,
|
|
(tbl->name ? tbl->name : "Unknown device"));
|
|
#endif
|
|
return tbl->value;
|
|
}
|
|
return -1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
|
|
|
|
/**
|
|
* snd_hda_check_board_codec_sid_config - compare the current codec
|
|
subsystem ID with the
|
|
config table
|
|
|
|
This is important for Gateway notebooks with SB450 HDA Audio
|
|
where the vendor ID of the PCI device is:
|
|
ATI Technologies Inc SB450 HDA Audio [1002:437b]
|
|
and the vendor/subvendor are found only at the codec.
|
|
|
|
* @codec: the HDA codec
|
|
* @num_configs: number of config enums
|
|
* @models: array of model name strings
|
|
* @tbl: configuration table, terminated by null entries
|
|
*
|
|
* Compares the modelname or PCI subsystem id of the current codec with the
|
|
* given configuration table. If a matching entry is found, returns its
|
|
* config value (supposed to be 0 or positive).
|
|
*
|
|
* If no entries are matching, the function returns a negative value.
|
|
*/
|
|
int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
|
|
int num_configs, const char * const *models,
|
|
const struct snd_pci_quirk *tbl)
|
|
{
|
|
const struct snd_pci_quirk *q;
|
|
|
|
/* Search for codec ID */
|
|
for (q = tbl; q->subvendor; q++) {
|
|
unsigned int mask = 0xffff0000 | q->subdevice_mask;
|
|
unsigned int id = (q->subdevice | (q->subvendor << 16)) & mask;
|
|
if ((codec->subsystem_id & mask) == id)
|
|
break;
|
|
}
|
|
|
|
if (!q->subvendor)
|
|
return -1;
|
|
|
|
tbl = q;
|
|
|
|
if (tbl->value >= 0 && tbl->value < num_configs) {
|
|
#ifdef CONFIG_SND_DEBUG_VERBOSE
|
|
char tmp[10];
|
|
const char *model = NULL;
|
|
if (models)
|
|
model = models[tbl->value];
|
|
if (!model) {
|
|
sprintf(tmp, "#%d", tbl->value);
|
|
model = tmp;
|
|
}
|
|
snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
|
|
"for config %x:%x (%s)\n",
|
|
model, tbl->subvendor, tbl->subdevice,
|
|
(tbl->name ? tbl->name : "Unknown device"));
|
|
#endif
|
|
return tbl->value;
|
|
}
|
|
return -1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config);
|
|
|
|
/**
|
|
* snd_hda_add_new_ctls - create controls from the array
|
|
* @codec: the HDA codec
|
|
* @knew: the array of struct snd_kcontrol_new
|
|
*
|
|
* This helper function creates and add new controls in the given array.
|
|
* The array must be terminated with an empty entry as terminator.
|
|
*
|
|
* Returns 0 if successful, or a negative error code.
|
|
*/
|
|
int snd_hda_add_new_ctls(struct hda_codec *codec,
|
|
const struct snd_kcontrol_new *knew)
|
|
{
|
|
int err;
|
|
|
|
for (; knew->name; knew++) {
|
|
struct snd_kcontrol *kctl;
|
|
int addr = 0, idx = 0;
|
|
if (knew->iface == -1) /* skip this codec private value */
|
|
continue;
|
|
for (;;) {
|
|
kctl = snd_ctl_new1(knew, codec);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
if (addr > 0)
|
|
kctl->id.device = addr;
|
|
if (idx > 0)
|
|
kctl->id.index = idx;
|
|
err = snd_hda_ctl_add(codec, 0, kctl);
|
|
if (!err)
|
|
break;
|
|
/* try first with another device index corresponding to
|
|
* the codec addr; if it still fails (or it's the
|
|
* primary codec), then try another control index
|
|
*/
|
|
if (!addr && codec->addr)
|
|
addr = codec->addr;
|
|
else if (!idx && !knew->index) {
|
|
idx = find_empty_mixer_ctl_idx(codec,
|
|
knew->name);
|
|
if (idx <= 0)
|
|
return err;
|
|
} else
|
|
return err;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
|
|
|
|
#ifdef CONFIG_PM
|
|
static void hda_power_work(struct work_struct *work)
|
|
{
|
|
struct hda_codec *codec =
|
|
container_of(work, struct hda_codec, power_work.work);
|
|
struct hda_bus *bus = codec->bus;
|
|
unsigned int state;
|
|
|
|
spin_lock(&codec->power_lock);
|
|
if (codec->power_transition > 0) { /* during power-up sequence? */
|
|
spin_unlock(&codec->power_lock);
|
|
return;
|
|
}
|
|
if (!codec->power_on || codec->power_count) {
|
|
codec->power_transition = 0;
|
|
spin_unlock(&codec->power_lock);
|
|
return;
|
|
}
|
|
spin_unlock(&codec->power_lock);
|
|
|
|
state = hda_call_codec_suspend(codec);
|
|
codec->pm_down_notified = 0;
|
|
if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK)) {
|
|
codec->pm_down_notified = 1;
|
|
hda_call_pm_notify(bus, false);
|
|
}
|
|
}
|
|
|
|
static void hda_keep_power_on(struct hda_codec *codec)
|
|
{
|
|
spin_lock(&codec->power_lock);
|
|
codec->power_count++;
|
|
codec->power_on = 1;
|
|
codec->power_jiffies = jiffies;
|
|
spin_unlock(&codec->power_lock);
|
|
}
|
|
|
|
/* update the power on/off account with the current jiffies */
|
|
void snd_hda_update_power_acct(struct hda_codec *codec)
|
|
{
|
|
unsigned long delta = jiffies - codec->power_jiffies;
|
|
if (codec->power_on)
|
|
codec->power_on_acct += delta;
|
|
else
|
|
codec->power_off_acct += delta;
|
|
codec->power_jiffies += delta;
|
|
}
|
|
|
|
/* Transition to powered up, if wait_power_down then wait for a pending
|
|
* transition to D3 to complete. A pending D3 transition is indicated
|
|
* with power_transition == -1. */
|
|
/* call this with codec->power_lock held! */
|
|
static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down)
|
|
{
|
|
struct hda_bus *bus = codec->bus;
|
|
|
|
/* Return if power_on or transitioning to power_on, unless currently
|
|
* powering down. */
|
|
if ((codec->power_on || codec->power_transition > 0) &&
|
|
!(wait_power_down && codec->power_transition < 0))
|
|
return;
|
|
spin_unlock(&codec->power_lock);
|
|
|
|
cancel_delayed_work_sync(&codec->power_work);
|
|
|
|
spin_lock(&codec->power_lock);
|
|
/* If the power down delayed work was cancelled above before starting,
|
|
* then there is no need to go through power up here.
|
|
*/
|
|
if (codec->power_on) {
|
|
if (codec->power_transition < 0)
|
|
codec->power_transition = 0;
|
|
return;
|
|
}
|
|
|
|
trace_hda_power_up(codec);
|
|
snd_hda_update_power_acct(codec);
|
|
codec->power_on = 1;
|
|
codec->power_jiffies = jiffies;
|
|
codec->power_transition = 1; /* avoid reentrance */
|
|
spin_unlock(&codec->power_lock);
|
|
|
|
if (codec->pm_down_notified) {
|
|
codec->pm_down_notified = 0;
|
|
hda_call_pm_notify(bus, true);
|
|
}
|
|
|
|
hda_call_codec_resume(codec);
|
|
|
|
spin_lock(&codec->power_lock);
|
|
codec->power_transition = 0;
|
|
}
|
|
|
|
#define power_save(codec) \
|
|
((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
|
|
|
|
/* Transition to powered down */
|
|
static void __snd_hda_power_down(struct hda_codec *codec)
|
|
{
|
|
if (!codec->power_on || codec->power_count || codec->power_transition)
|
|
return;
|
|
|
|
if (power_save(codec)) {
|
|
codec->power_transition = -1; /* avoid reentrance */
|
|
queue_delayed_work(codec->bus->workq, &codec->power_work,
|
|
msecs_to_jiffies(power_save(codec) * 1000));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_power_save - Power-up/down/sync the codec
|
|
* @codec: HD-audio codec
|
|
* @delta: the counter delta to change
|
|
*
|
|
* Change the power-up counter via @delta, and power up or down the hardware
|
|
* appropriately. For the power-down, queue to the delayed action.
|
|
* Passing zero to @delta means to synchronize the power state.
|
|
*/
|
|
void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
|
|
{
|
|
spin_lock(&codec->power_lock);
|
|
codec->power_count += delta;
|
|
trace_hda_power_count(codec);
|
|
if (delta > 0)
|
|
__snd_hda_power_up(codec, d3wait);
|
|
else
|
|
__snd_hda_power_down(codec);
|
|
spin_unlock(&codec->power_lock);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_power_save);
|
|
|
|
/**
|
|
* snd_hda_check_amp_list_power - Check the amp list and update the power
|
|
* @codec: HD-audio codec
|
|
* @check: the object containing an AMP list and the status
|
|
* @nid: NID to check / update
|
|
*
|
|
* Check whether the given NID is in the amp list. If it's in the list,
|
|
* check the current AMP status, and update the the power-status according
|
|
* to the mute status.
|
|
*
|
|
* This function is supposed to be set or called from the check_power_status
|
|
* patch ops.
|
|
*/
|
|
int snd_hda_check_amp_list_power(struct hda_codec *codec,
|
|
struct hda_loopback_check *check,
|
|
hda_nid_t nid)
|
|
{
|
|
const struct hda_amp_list *p;
|
|
int ch, v;
|
|
|
|
if (!check->amplist)
|
|
return 0;
|
|
for (p = check->amplist; p->nid; p++) {
|
|
if (p->nid == nid)
|
|
break;
|
|
}
|
|
if (!p->nid)
|
|
return 0; /* nothing changed */
|
|
|
|
for (p = check->amplist; p->nid; p++) {
|
|
for (ch = 0; ch < 2; ch++) {
|
|
v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
|
|
p->idx);
|
|
if (!(v & HDA_AMP_MUTE) && v > 0) {
|
|
if (!check->power_on) {
|
|
check->power_on = 1;
|
|
snd_hda_power_up(codec);
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
if (check->power_on) {
|
|
check->power_on = 0;
|
|
snd_hda_power_down(codec);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
|
|
#endif
|
|
|
|
/*
|
|
* Channel mode helper
|
|
*/
|
|
|
|
/**
|
|
* snd_hda_ch_mode_info - Info callback helper for the channel mode enum
|
|
*/
|
|
int snd_hda_ch_mode_info(struct hda_codec *codec,
|
|
struct snd_ctl_elem_info *uinfo,
|
|
const struct hda_channel_mode *chmode,
|
|
int num_chmodes)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = num_chmodes;
|
|
if (uinfo->value.enumerated.item >= num_chmodes)
|
|
uinfo->value.enumerated.item = num_chmodes - 1;
|
|
sprintf(uinfo->value.enumerated.name, "%dch",
|
|
chmode[uinfo->value.enumerated.item].channels);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
|
|
|
|
/**
|
|
* snd_hda_ch_mode_get - Get callback helper for the channel mode enum
|
|
*/
|
|
int snd_hda_ch_mode_get(struct hda_codec *codec,
|
|
struct snd_ctl_elem_value *ucontrol,
|
|
const struct hda_channel_mode *chmode,
|
|
int num_chmodes,
|
|
int max_channels)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < num_chmodes; i++) {
|
|
if (max_channels == chmode[i].channels) {
|
|
ucontrol->value.enumerated.item[0] = i;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
|
|
|
|
/**
|
|
* snd_hda_ch_mode_put - Put callback helper for the channel mode enum
|
|
*/
|
|
int snd_hda_ch_mode_put(struct hda_codec *codec,
|
|
struct snd_ctl_elem_value *ucontrol,
|
|
const struct hda_channel_mode *chmode,
|
|
int num_chmodes,
|
|
int *max_channelsp)
|
|
{
|
|
unsigned int mode;
|
|
|
|
mode = ucontrol->value.enumerated.item[0];
|
|
if (mode >= num_chmodes)
|
|
return -EINVAL;
|
|
if (*max_channelsp == chmode[mode].channels)
|
|
return 0;
|
|
/* change the current channel setting */
|
|
*max_channelsp = chmode[mode].channels;
|
|
if (chmode[mode].sequence)
|
|
snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
|
|
|
|
/*
|
|
* input MUX helper
|
|
*/
|
|
|
|
/**
|
|
* snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
|
|
*/
|
|
int snd_hda_input_mux_info(const struct hda_input_mux *imux,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
unsigned int index;
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = imux->num_items;
|
|
if (!imux->num_items)
|
|
return 0;
|
|
index = uinfo->value.enumerated.item;
|
|
if (index >= imux->num_items)
|
|
index = imux->num_items - 1;
|
|
strcpy(uinfo->value.enumerated.name, imux->items[index].label);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
|
|
|
|
/**
|
|
* snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
|
|
*/
|
|
int snd_hda_input_mux_put(struct hda_codec *codec,
|
|
const struct hda_input_mux *imux,
|
|
struct snd_ctl_elem_value *ucontrol,
|
|
hda_nid_t nid,
|
|
unsigned int *cur_val)
|
|
{
|
|
unsigned int idx;
|
|
|
|
if (!imux->num_items)
|
|
return 0;
|
|
idx = ucontrol->value.enumerated.item[0];
|
|
if (idx >= imux->num_items)
|
|
idx = imux->num_items - 1;
|
|
if (*cur_val == idx)
|
|
return 0;
|
|
snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
|
|
imux->items[idx].index);
|
|
*cur_val = idx;
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
|
|
|
|
|
|
/*
|
|
* Multi-channel / digital-out PCM helper functions
|
|
*/
|
|
|
|
/* setup SPDIF output stream */
|
|
static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int stream_tag, unsigned int format)
|
|
{
|
|
struct hda_spdif_out *spdif = snd_hda_spdif_out_of_nid(codec, nid);
|
|
|
|
/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
|
|
if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
|
|
set_dig_out_convert(codec, nid,
|
|
spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
|
|
-1);
|
|
snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
|
|
if (codec->slave_dig_outs) {
|
|
const hda_nid_t *d;
|
|
for (d = codec->slave_dig_outs; *d; d++)
|
|
snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
|
|
format);
|
|
}
|
|
/* turn on again (if needed) */
|
|
if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
|
|
set_dig_out_convert(codec, nid,
|
|
spdif->ctls & 0xff, -1);
|
|
}
|
|
|
|
static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
snd_hda_codec_cleanup_stream(codec, nid);
|
|
if (codec->slave_dig_outs) {
|
|
const hda_nid_t *d;
|
|
for (d = codec->slave_dig_outs; *d; d++)
|
|
snd_hda_codec_cleanup_stream(codec, *d);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* snd_hda_bus_reboot_notify - call the reboot notifier of each codec
|
|
* @bus: HD-audio bus
|
|
*/
|
|
void snd_hda_bus_reboot_notify(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
if (!bus)
|
|
return;
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
if (hda_codec_is_power_on(codec) &&
|
|
codec->patch_ops.reboot_notify)
|
|
codec->patch_ops.reboot_notify(codec);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_bus_reboot_notify);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
|
|
*/
|
|
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
|
|
/* already opened as analog dup; reset it once */
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mout->dig_out_used = HDA_DIG_EXCLUSIVE;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_prepare - prepare the digital out stream
|
|
*/
|
|
int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
|
|
*/
|
|
int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup);
|
|
|
|
/**
|
|
* snd_hda_multi_out_dig_close - release the digital out stream
|
|
*/
|
|
int snd_hda_multi_out_dig_close(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
mutex_lock(&codec->spdif_mutex);
|
|
mout->dig_out_used = 0;
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_open - open analog outputs
|
|
*
|
|
* Open analog outputs and set up the hw-constraints.
|
|
* If the digital outputs can be opened as slave, open the digital
|
|
* outputs, too.
|
|
*/
|
|
int snd_hda_multi_out_analog_open(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
struct snd_pcm_substream *substream,
|
|
struct hda_pcm_stream *hinfo)
|
|
{
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
runtime->hw.channels_max = mout->max_channels;
|
|
if (mout->dig_out_nid) {
|
|
if (!mout->analog_rates) {
|
|
mout->analog_rates = hinfo->rates;
|
|
mout->analog_formats = hinfo->formats;
|
|
mout->analog_maxbps = hinfo->maxbps;
|
|
} else {
|
|
runtime->hw.rates = mout->analog_rates;
|
|
runtime->hw.formats = mout->analog_formats;
|
|
hinfo->maxbps = mout->analog_maxbps;
|
|
}
|
|
if (!mout->spdif_rates) {
|
|
snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
|
|
&mout->spdif_rates,
|
|
&mout->spdif_formats,
|
|
&mout->spdif_maxbps);
|
|
}
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->share_spdif) {
|
|
if ((runtime->hw.rates & mout->spdif_rates) &&
|
|
(runtime->hw.formats & mout->spdif_formats)) {
|
|
runtime->hw.rates &= mout->spdif_rates;
|
|
runtime->hw.formats &= mout->spdif_formats;
|
|
if (mout->spdif_maxbps < hinfo->maxbps)
|
|
hinfo->maxbps = mout->spdif_maxbps;
|
|
} else {
|
|
mout->share_spdif = 0;
|
|
/* FIXME: need notify? */
|
|
}
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
}
|
|
return snd_pcm_hw_constraint_step(substream->runtime, 0,
|
|
SNDRV_PCM_HW_PARAM_CHANNELS, 2);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
|
|
*
|
|
* Set up the i/o for analog out.
|
|
* When the digital out is available, copy the front out to digital out, too.
|
|
*/
|
|
int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
|
|
struct hda_multi_out *mout,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
const hda_nid_t *nids = mout->dac_nids;
|
|
int chs = substream->runtime->channels;
|
|
struct hda_spdif_out *spdif;
|
|
int i;
|
|
|
|
mutex_lock(&codec->spdif_mutex);
|
|
spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
|
|
if (mout->dig_out_nid && mout->share_spdif &&
|
|
mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
|
|
if (chs == 2 &&
|
|
snd_hda_is_supported_format(codec, mout->dig_out_nid,
|
|
format) &&
|
|
!(spdif->status & IEC958_AES0_NONAUDIO)) {
|
|
mout->dig_out_used = HDA_DIG_ANALOG_DUP;
|
|
setup_dig_out_stream(codec, mout->dig_out_nid,
|
|
stream_tag, format);
|
|
} else {
|
|
mout->dig_out_used = 0;
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
}
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
|
|
/* front */
|
|
snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
|
|
0, format);
|
|
if (!mout->no_share_stream &&
|
|
mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
|
|
/* headphone out will just decode front left/right (stereo) */
|
|
snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
|
|
0, format);
|
|
/* extra outputs copied from front */
|
|
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
|
|
if (!mout->no_share_stream && mout->hp_out_nid[i])
|
|
snd_hda_codec_setup_stream(codec,
|
|
mout->hp_out_nid[i],
|
|
stream_tag, 0, format);
|
|
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
|
|
if (!mout->no_share_stream && mout->extra_out_nid[i])
|
|
snd_hda_codec_setup_stream(codec,
|
|
mout->extra_out_nid[i],
|
|
stream_tag, 0, format);
|
|
|
|
/* surrounds */
|
|
for (i = 1; i < mout->num_dacs; i++) {
|
|
if (chs >= (i + 1) * 2) /* independent out */
|
|
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
|
|
i * 2, format);
|
|
else if (!mout->no_share_stream) /* copy front */
|
|
snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
|
|
0, format);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
|
|
|
|
/**
|
|
* snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
|
|
*/
|
|
int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
|
|
struct hda_multi_out *mout)
|
|
{
|
|
const hda_nid_t *nids = mout->dac_nids;
|
|
int i;
|
|
|
|
for (i = 0; i < mout->num_dacs; i++)
|
|
snd_hda_codec_cleanup_stream(codec, nids[i]);
|
|
if (mout->hp_nid)
|
|
snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
|
|
for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
|
|
if (mout->hp_out_nid[i])
|
|
snd_hda_codec_cleanup_stream(codec,
|
|
mout->hp_out_nid[i]);
|
|
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
|
|
if (mout->extra_out_nid[i])
|
|
snd_hda_codec_cleanup_stream(codec,
|
|
mout->extra_out_nid[i]);
|
|
mutex_lock(&codec->spdif_mutex);
|
|
if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
|
|
cleanup_dig_out_stream(codec, mout->dig_out_nid);
|
|
mout->dig_out_used = 0;
|
|
}
|
|
mutex_unlock(&codec->spdif_mutex);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
|
|
|
|
/**
|
|
* snd_hda_get_default_vref - Get the default (mic) VREF pin bits
|
|
*
|
|
* Guess the suitable VREF pin bits to be set as the pin-control value.
|
|
* Note: the function doesn't set the AC_PINCTL_IN_EN bit.
|
|
*/
|
|
unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
|
|
{
|
|
unsigned int pincap;
|
|
unsigned int oldval;
|
|
oldval = snd_hda_codec_read(codec, pin, 0,
|
|
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
|
|
pincap = snd_hda_query_pin_caps(codec, pin);
|
|
pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
|
|
/* Exception: if the default pin setup is vref50, we give it priority */
|
|
if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
|
|
return AC_PINCTL_VREF_80;
|
|
else if (pincap & AC_PINCAP_VREF_50)
|
|
return AC_PINCTL_VREF_50;
|
|
else if (pincap & AC_PINCAP_VREF_100)
|
|
return AC_PINCTL_VREF_100;
|
|
else if (pincap & AC_PINCAP_VREF_GRD)
|
|
return AC_PINCTL_VREF_GRD;
|
|
return AC_PINCTL_VREF_HIZ;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_get_default_vref);
|
|
|
|
int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
|
|
unsigned int val, bool cached)
|
|
{
|
|
if (val) {
|
|
unsigned int cap = snd_hda_query_pin_caps(codec, pin);
|
|
if (cap && (val & AC_PINCTL_OUT_EN)) {
|
|
if (!(cap & AC_PINCAP_OUT))
|
|
val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
|
|
else if ((val & AC_PINCTL_HP_EN) &&
|
|
!(cap & AC_PINCAP_HP_DRV))
|
|
val &= ~AC_PINCTL_HP_EN;
|
|
}
|
|
if (cap && (val & AC_PINCTL_IN_EN)) {
|
|
if (!(cap & AC_PINCAP_IN))
|
|
val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
|
|
}
|
|
}
|
|
if (cached)
|
|
return snd_hda_codec_update_cache(codec, pin, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
|
|
else
|
|
return snd_hda_codec_write(codec, pin, 0,
|
|
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
|
|
}
|
|
EXPORT_SYMBOL_HDA(_snd_hda_set_pin_ctl);
|
|
|
|
/**
|
|
* snd_hda_add_imux_item - Add an item to input_mux
|
|
*
|
|
* When the same label is used already in the existing items, the number
|
|
* suffix is appended to the label. This label index number is stored
|
|
* to type_idx when non-NULL pointer is given.
|
|
*/
|
|
int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
|
|
int index, int *type_idx)
|
|
{
|
|
int i, label_idx = 0;
|
|
if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
|
|
snd_printd(KERN_ERR "hda_codec: Too many imux items!\n");
|
|
return -EINVAL;
|
|
}
|
|
for (i = 0; i < imux->num_items; i++) {
|
|
if (!strncmp(label, imux->items[i].label, strlen(label)))
|
|
label_idx++;
|
|
}
|
|
if (type_idx)
|
|
*type_idx = label_idx;
|
|
if (label_idx > 0)
|
|
snprintf(imux->items[imux->num_items].label,
|
|
sizeof(imux->items[imux->num_items].label),
|
|
"%s %d", label, label_idx);
|
|
else
|
|
strlcpy(imux->items[imux->num_items].label, label,
|
|
sizeof(imux->items[imux->num_items].label));
|
|
imux->items[imux->num_items].index = index;
|
|
imux->num_items++;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_add_imux_item);
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
/*
|
|
* power management
|
|
*/
|
|
|
|
/**
|
|
* snd_hda_suspend - suspend the codecs
|
|
* @bus: the HDA bus
|
|
*
|
|
* Returns 0 if successful.
|
|
*/
|
|
int snd_hda_suspend(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
if (hda_codec_is_power_on(codec))
|
|
hda_call_codec_suspend(codec);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_suspend);
|
|
|
|
/**
|
|
* snd_hda_resume - resume the codecs
|
|
* @bus: the HDA bus
|
|
*
|
|
* Returns 0 if successful.
|
|
*/
|
|
int snd_hda_resume(struct hda_bus *bus)
|
|
{
|
|
struct hda_codec *codec;
|
|
|
|
list_for_each_entry(codec, &bus->codec_list, list) {
|
|
hda_call_codec_resume(codec);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_hda_resume);
|
|
#endif /* CONFIG_PM */
|
|
|
|
/*
|
|
* generic arrays
|
|
*/
|
|
|
|
/**
|
|
* snd_array_new - get a new element from the given array
|
|
* @array: the array object
|
|
*
|
|
* Get a new element from the given array. If it exceeds the
|
|
* pre-allocated array size, re-allocate the array.
|
|
*
|
|
* Returns NULL if allocation failed.
|
|
*/
|
|
void *snd_array_new(struct snd_array *array)
|
|
{
|
|
if (array->used >= array->alloced) {
|
|
int num = array->alloced + array->alloc_align;
|
|
int size = (num + 1) * array->elem_size;
|
|
int oldsize = array->alloced * array->elem_size;
|
|
void *nlist;
|
|
if (snd_BUG_ON(num >= 4096))
|
|
return NULL;
|
|
nlist = krealloc(array->list, size, GFP_KERNEL);
|
|
if (!nlist)
|
|
return NULL;
|
|
memset(nlist + oldsize, 0, size - oldsize);
|
|
array->list = nlist;
|
|
array->alloced = num;
|
|
}
|
|
return snd_array_elem(array, array->used++);
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_array_new);
|
|
|
|
/**
|
|
* snd_array_free - free the given array elements
|
|
* @array: the array object
|
|
*/
|
|
void snd_array_free(struct snd_array *array)
|
|
{
|
|
kfree(array->list);
|
|
array->used = 0;
|
|
array->alloced = 0;
|
|
array->list = NULL;
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_array_free);
|
|
|
|
/**
|
|
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
|
|
* @pcm: PCM caps bits
|
|
* @buf: the string buffer to write
|
|
* @buflen: the max buffer length
|
|
*
|
|
* used by hda_proc.c and hda_eld.c
|
|
*/
|
|
void snd_print_pcm_bits(int pcm, char *buf, int buflen)
|
|
{
|
|
static unsigned int bits[] = { 8, 16, 20, 24, 32 };
|
|
int i, j;
|
|
|
|
for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
|
|
if (pcm & (AC_SUPPCM_BITS_8 << i))
|
|
j += snprintf(buf + j, buflen - j, " %d", bits[i]);
|
|
|
|
buf[j] = '\0'; /* necessary when j == 0 */
|
|
}
|
|
EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
|
|
|
|
MODULE_DESCRIPTION("HDA codec core");
|
|
MODULE_LICENSE("GPL");
|