forked from Minki/linux
491 lines
18 KiB
C
491 lines
18 KiB
C
/*
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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* Universal interface for Audio Codec '97
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*
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* For more details look to AC '97 component specification revision 2.2
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* by Intel Corporation (http://developer.intel.com).
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*
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*
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* This program 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 program 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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*/
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#include <sound/driver.h>
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#include <linux/slab.h>
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#include <linux/mutex.h>
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#include <sound/core.h>
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#include <sound/ac97_codec.h>
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#include <sound/asoundef.h>
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#include "ac97_local.h"
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#include "ac97_id.h"
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/*
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* proc interface
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*/
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static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer)
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{
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int header = 0, function;
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unsigned short info, sense_info;
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static const char *function_names[12] = {
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"Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out",
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"Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In",
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"Aux In", "Mono Out"
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};
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static const char *locations[8] = {
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"Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External",
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"reserved", "reserved", "reserved", "NC/unused"
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};
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for (function = 0; function < 12; ++function) {
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snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1);
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info = snd_ac97_read(ac97, AC97_FUNC_INFO);
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if (!(info & 0x0001))
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continue;
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if (!header) {
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snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n");
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header = 1;
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}
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sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO);
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snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n",
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function_names[function],
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(info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2,
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((info & 0x0800) >> 11) * 5,
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info & 0x0400 ? 'X' : '-',
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(info & 0x03e0) >> 5,
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locations[sense_info >> 13]);
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}
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}
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static const char *snd_ac97_stereo_enhancements[] =
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{
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/* 0 */ "No 3D Stereo Enhancement",
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/* 1 */ "Analog Devices Phat Stereo",
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/* 2 */ "Creative Stereo Enhancement",
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/* 3 */ "National Semi 3D Stereo Enhancement",
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/* 4 */ "YAMAHA Ymersion",
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/* 5 */ "BBE 3D Stereo Enhancement",
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/* 6 */ "Crystal Semi 3D Stereo Enhancement",
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/* 7 */ "Qsound QXpander",
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/* 8 */ "Spatializer 3D Stereo Enhancement",
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/* 9 */ "SRS 3D Stereo Enhancement",
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/* 10 */ "Platform Tech 3D Stereo Enhancement",
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/* 11 */ "AKM 3D Audio",
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/* 12 */ "Aureal Stereo Enhancement",
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/* 13 */ "Aztech 3D Enhancement",
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/* 14 */ "Binaura 3D Audio Enhancement",
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/* 15 */ "ESS Technology Stereo Enhancement",
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/* 16 */ "Harman International VMAx",
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/* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
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/* 18 */ "Philips Incredible Sound",
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/* 19 */ "Texas Instruments 3D Stereo Enhancement",
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/* 20 */ "VLSI Technology 3D Stereo Enhancement",
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/* 21 */ "TriTech 3D Stereo Enhancement",
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/* 22 */ "Realtek 3D Stereo Enhancement",
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/* 23 */ "Samsung 3D Stereo Enhancement",
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/* 24 */ "Wolfson Microelectronics 3D Enhancement",
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/* 25 */ "Delta Integration 3D Enhancement",
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/* 26 */ "SigmaTel 3D Enhancement",
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/* 27 */ "IC Ensemble/KS Waves",
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/* 28 */ "Rockwell 3D Stereo Enhancement",
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/* 29 */ "Reserved 29",
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/* 30 */ "Reserved 30",
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/* 31 */ "Reserved 31"
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};
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static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
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{
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char name[64];
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unsigned short val, tmp, ext, mext;
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static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" };
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static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" };
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static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" };
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static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" };
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snd_ac97_get_name(NULL, ac97->id, name, 0);
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snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
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if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
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goto __modem;
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snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
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ac97->subsystem_vendor);
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snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
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ac97->subsystem_device);
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if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
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val = snd_ac97_read(ac97, AC97_INT_PAGING);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, AC97_PAGE_1);
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tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV);
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snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff);
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snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f);
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snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n",
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snd_ac97_read(ac97, AC97_PCI_SVID));
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snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n",
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snd_ac97_read(ac97, AC97_PCI_SID));
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, val & AC97_PAGE_MASK);
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}
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// val = snd_ac97_read(ac97, AC97_RESET);
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val = ac97->caps;
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snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n",
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val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "",
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val & AC97_BC_RESERVED1 ? " -reserved1-" : "",
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val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "",
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val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "",
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val & AC97_BC_HEADPHONE ? " -headphone out-" : "",
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val & AC97_BC_LOUDNESS ? " -loudness-" : "");
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tmp = ac97->caps & AC97_BC_DAC_MASK;
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snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n",
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tmp == AC97_BC_16BIT_DAC ? "16-bit" : "",
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tmp == AC97_BC_18BIT_DAC ? "18-bit" : "",
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tmp == AC97_BC_20BIT_DAC ? "20-bit" : "",
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tmp == AC97_BC_DAC_MASK ? "???" : "");
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tmp = ac97->caps & AC97_BC_ADC_MASK;
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snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n",
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tmp == AC97_BC_16BIT_ADC ? "16-bit" : "",
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tmp == AC97_BC_18BIT_ADC ? "18-bit" : "",
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tmp == AC97_BC_20BIT_ADC ? "20-bit" : "",
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tmp == AC97_BC_ADC_MASK ? "???" : "");
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snd_iprintf(buffer, "3D enhancement : %s\n",
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snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]);
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snd_iprintf(buffer, "\nCurrent setup\n");
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val = snd_ac97_read(ac97, AC97_MIC);
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snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB");
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val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
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snd_iprintf(buffer, "POP path : %s 3D\n"
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"Sim. stereo : %s\n"
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"3D enhancement : %s\n"
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"Loudness : %s\n"
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"Mono output : %s\n"
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"Mic select : %s\n"
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"ADC/DAC loopback : %s\n",
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val & 0x8000 ? "post" : "pre",
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val & 0x4000 ? "on" : "off",
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val & 0x2000 ? "on" : "off",
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val & 0x1000 ? "on" : "off",
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val & 0x0200 ? "Mic" : "MIX",
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val & 0x0100 ? "Mic2" : "Mic1",
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val & 0x0080 ? "on" : "off");
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if (ac97->ext_id & AC97_EI_DRA)
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snd_iprintf(buffer, "Double rate slots: %s\n",
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double_rate_slots[(val >> 10) & 3]);
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ext = snd_ac97_read(ac97, AC97_EXTENDED_ID);
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if (ext == 0)
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goto __modem;
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snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n",
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(ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT,
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(ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT,
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ext & AC97_EI_AMAP ? " AMAP" : "",
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ext & AC97_EI_LDAC ? " LDAC" : "",
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ext & AC97_EI_SDAC ? " SDAC" : "",
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ext & AC97_EI_CDAC ? " CDAC" : "",
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(ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT,
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ext & AC97_EI_VRM ? " VRM" : "",
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ext & AC97_EI_SPDIF ? " SPDIF" : "",
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ext & AC97_EI_DRA ? " DRA" : "",
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ext & AC97_EI_VRA ? " VRA" : "");
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val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
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snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
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val & AC97_EA_PRL ? " PRL" : "",
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val & AC97_EA_PRK ? " PRK" : "",
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val & AC97_EA_PRJ ? " PRJ" : "",
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val & AC97_EA_PRI ? " PRI" : "",
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val & AC97_EA_SPCV ? " SPCV" : "",
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val & AC97_EA_MDAC ? " MADC" : "",
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val & AC97_EA_LDAC ? " LDAC" : "",
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val & AC97_EA_SDAC ? " SDAC" : "",
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val & AC97_EA_CDAC ? " CDAC" : "",
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ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "",
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val & AC97_EA_VRM ? " VRM" : "",
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val & AC97_EA_SPDIF ? " SPDIF" : "",
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val & AC97_EA_DRA ? " DRA" : "",
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val & AC97_EA_VRA ? " VRA" : "");
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if (ext & AC97_EI_VRA) { /* VRA */
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val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE);
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snd_iprintf(buffer, "PCM front DAC : %iHz\n", val);
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if (ext & AC97_EI_SDAC) {
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val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE);
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snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val);
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}
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if (ext & AC97_EI_LDAC) {
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val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE);
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snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val);
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}
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val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE);
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snd_iprintf(buffer, "PCM ADC : %iHz\n", val);
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}
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if (ext & AC97_EI_VRM) {
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val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE);
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snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val);
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}
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if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) ||
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(ac97->id == AC97_ID_YMF743)) {
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if (ac97->flags & AC97_CS_SPDIF)
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val = snd_ac97_read(ac97, AC97_CSR_SPDIF);
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else if (ac97->id == AC97_ID_YMF743) {
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val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL);
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val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2;
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} else
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val = snd_ac97_read(ac97, AC97_SPDIF);
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snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n",
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val & AC97_SC_PRO ? " PRO" : " Consumer",
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val & AC97_SC_NAUDIO ? " Non-audio" : " PCM",
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val & AC97_SC_COPY ? "" : " Copyright",
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val & AC97_SC_PRE ? " Preemph50/15" : "",
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(val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT,
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(val & AC97_SC_L) >> 11,
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(ac97->flags & AC97_CS_SPDIF) ?
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spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] :
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spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT],
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(ac97->flags & AC97_CS_SPDIF) ?
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(val & AC97_SC_DRS ? " Validity" : "") :
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(val & AC97_SC_DRS ? " DRS" : ""),
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(ac97->flags & AC97_CS_SPDIF) ?
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(val & AC97_SC_V ? " Enabled" : "") :
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(val & AC97_SC_V ? " Validity" : ""));
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/* ALC650 specific*/
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if ((ac97->id & 0xfffffff0) == 0x414c4720 &&
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(snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) {
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
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if (val & AC97_ALC650_CLOCK_LOCK) {
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1);
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snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i",
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val & AC97_ALC650_PRO ? " PRO" : " Consumer",
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val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM",
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val & AC97_ALC650_COPY ? "" : " Copyright",
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val & AC97_ALC650_PRE ? " Preemph50/15" : "",
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(val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
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(val & AC97_ALC650_L) >> 15);
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
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snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
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spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
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(val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
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(val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
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(val & AC97_ALC650_V ? " Validity?" : ""));
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} else {
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snd_iprintf(buffer, "SPDIF In Status : Not Locked\n");
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}
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}
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}
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if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
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val = snd_ac97_read(ac97, AC97_INT_PAGING);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, AC97_PAGE_1);
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snd_ac97_proc_read_functions(ac97, buffer);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, val & AC97_PAGE_MASK);
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}
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__modem:
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mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
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if (mext == 0)
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return;
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snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
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(mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
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mext & AC97_MEI_CID2 ? " CID2" : "",
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mext & AC97_MEI_CID1 ? " CID1" : "",
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mext & AC97_MEI_HANDSET ? " HSET" : "",
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mext & AC97_MEI_LINE2 ? " LIN2" : "",
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mext & AC97_MEI_LINE1 ? " LIN1" : "");
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val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
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snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
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val & AC97_MEA_GPIO ? " GPIO" : "",
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val & AC97_MEA_MREF ? " MREF" : "",
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val & AC97_MEA_ADC1 ? " ADC1" : "",
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val & AC97_MEA_DAC1 ? " DAC1" : "",
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val & AC97_MEA_ADC2 ? " ADC2" : "",
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val & AC97_MEA_DAC2 ? " DAC2" : "",
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val & AC97_MEA_HADC ? " HADC" : "",
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val & AC97_MEA_HDAC ? " HDAC" : "",
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val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
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val & AC97_MEA_PRB ? " PRB(res)" : "",
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val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
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val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
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val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
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val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
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val & AC97_MEA_PRG ? " PRG(HADC)" : "",
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val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
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if (mext & AC97_MEI_LINE1) {
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val = snd_ac97_read(ac97, AC97_LINE1_RATE);
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snd_iprintf(buffer, "Line1 rate : %iHz\n", val);
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}
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if (mext & AC97_MEI_LINE2) {
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val = snd_ac97_read(ac97, AC97_LINE2_RATE);
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snd_iprintf(buffer, "Line2 rate : %iHz\n", val);
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}
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if (mext & AC97_MEI_HANDSET) {
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val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
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snd_iprintf(buffer, "Headset rate : %iHz\n", val);
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}
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}
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static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
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{
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struct snd_ac97 *ac97 = entry->private_data;
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mutex_lock(&ac97->page_mutex);
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if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
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int idx;
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for (idx = 0; idx < 3; idx++)
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if (ac97->spec.ad18xx.id[idx]) {
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|
/* select single codec */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
|
|
ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
|
|
snd_ac97_proc_read_main(ac97, buffer, idx);
|
|
snd_iprintf(buffer, "\n\n");
|
|
}
|
|
/* select all codecs */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
|
|
|
|
snd_iprintf(buffer, "\nAD18XX configuration\n");
|
|
snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n",
|
|
ac97->spec.ad18xx.unchained[0],
|
|
ac97->spec.ad18xx.unchained[1],
|
|
ac97->spec.ad18xx.unchained[2]);
|
|
snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n",
|
|
ac97->spec.ad18xx.chained[0],
|
|
ac97->spec.ad18xx.chained[1],
|
|
ac97->spec.ad18xx.chained[2]);
|
|
} else {
|
|
snd_ac97_proc_read_main(ac97, buffer, 0);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
|
|
#ifdef CONFIG_SND_DEBUG
|
|
/* direct register write for debugging */
|
|
static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
|
|
{
|
|
struct snd_ac97 *ac97 = entry->private_data;
|
|
char line[64];
|
|
unsigned int reg, val;
|
|
mutex_lock(&ac97->page_mutex);
|
|
while (!snd_info_get_line(buffer, line, sizeof(line))) {
|
|
if (sscanf(line, "%x %x", ®, &val) != 2)
|
|
continue;
|
|
/* register must be even */
|
|
if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
|
|
snd_ac97_write_cache(ac97, reg, val);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
#endif
|
|
|
|
static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
|
|
{
|
|
int reg, val;
|
|
|
|
for (reg = 0; reg < 0x80; reg += 2) {
|
|
val = snd_ac97_read(ac97, reg);
|
|
snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
|
|
}
|
|
}
|
|
|
|
static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
struct snd_ac97 *ac97 = entry->private_data;
|
|
|
|
mutex_lock(&ac97->page_mutex);
|
|
if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
|
|
|
|
int idx;
|
|
for (idx = 0; idx < 3; idx++)
|
|
if (ac97->spec.ad18xx.id[idx]) {
|
|
/* select single codec */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
|
|
ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
|
|
snd_ac97_proc_regs_read_main(ac97, buffer, idx);
|
|
}
|
|
/* select all codecs */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
|
|
} else {
|
|
snd_ac97_proc_regs_read_main(ac97, buffer, 0);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
|
|
void snd_ac97_proc_init(struct snd_ac97 * ac97)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
char name[32];
|
|
const char *prefix;
|
|
|
|
if (ac97->bus->proc == NULL)
|
|
return;
|
|
prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
|
|
sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
|
|
if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
|
|
snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read);
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
ac97->proc = entry;
|
|
sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
|
|
if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
|
|
snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read);
|
|
#ifdef CONFIG_SND_DEBUG
|
|
entry->mode |= S_IWUSR;
|
|
entry->c.text.write = snd_ac97_proc_regs_write;
|
|
#endif
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
ac97->proc_regs = entry;
|
|
}
|
|
|
|
void snd_ac97_proc_done(struct snd_ac97 * ac97)
|
|
{
|
|
snd_info_free_entry(ac97->proc_regs);
|
|
ac97->proc_regs = NULL;
|
|
snd_info_free_entry(ac97->proc);
|
|
ac97->proc = NULL;
|
|
}
|
|
|
|
void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
char name[32];
|
|
|
|
sprintf(name, "codec97#%d", bus->num);
|
|
if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) {
|
|
entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
bus->proc = entry;
|
|
}
|
|
|
|
void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus)
|
|
{
|
|
snd_info_free_entry(bus->proc);
|
|
bus->proc = NULL;
|
|
}
|