forked from Minki/linux
ASoC: Intel: Add Skylake HDA platform driver
This patch starts to add the Skylake HDA platform driver by defining SoC CPU dais, DMA driver ops and implements ALSA operations Signed-off-by: Jeeja KP <jeeja.kp@intel.com> Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeeja KP
Mark Brown
parent
f7c765e604
commit
a40e693c7f
586
sound/soc/intel/skylake/skl-pcm.c
Normal file
586
sound/soc/intel/skylake/skl-pcm.c
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@ -0,0 +1,586 @@
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/*
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* skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality
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*
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* Copyright (C) 2014-2015 Intel Corp
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* Author: Jeeja KP <jeeja.kp@intel.com>
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*
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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; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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*/
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#include <linux/pci.h>
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#include <linux/pm_runtime.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include "skl.h"
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#define HDA_MONO 1
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#define HDA_STEREO 2
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static struct snd_pcm_hardware azx_pcm_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_SYNC_START |
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SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */
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SNDRV_PCM_INFO_HAS_LINK_ATIME |
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SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = AZX_MAX_BUF_SIZE,
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.period_bytes_min = 128,
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.period_bytes_max = AZX_MAX_BUF_SIZE / 2,
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.periods_min = 2,
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.periods_max = AZX_MAX_FRAG,
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.fifo_size = 0,
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};
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static inline
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struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream)
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{
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return substream->runtime->private_data;
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}
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static struct hdac_ext_bus *get_bus_ctx(struct snd_pcm_substream *substream)
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{
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
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struct hdac_stream *hstream = hdac_stream(stream);
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struct hdac_bus *bus = hstream->bus;
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return hbus_to_ebus(bus);
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}
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static int skl_substream_alloc_pages(struct hdac_ext_bus *ebus,
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struct snd_pcm_substream *substream,
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size_t size)
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{
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
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hdac_stream(stream)->bufsize = 0;
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hdac_stream(stream)->period_bytes = 0;
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hdac_stream(stream)->format_val = 0;
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return snd_pcm_lib_malloc_pages(substream, size);
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}
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static int skl_substream_free_pages(struct hdac_bus *bus,
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struct snd_pcm_substream *substream)
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{
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return snd_pcm_lib_free_pages(substream);
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}
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static void skl_set_pcm_constrains(struct hdac_ext_bus *ebus,
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struct snd_pcm_runtime *runtime)
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{
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snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
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/* avoid wrap-around with wall-clock */
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snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
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20, 178000000);
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}
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static int skl_pcm_open(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
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struct hdac_ext_stream *stream;
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct skl_dma_params *dma_params;
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int ret;
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
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ret = pm_runtime_get_sync(dai->dev);
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if (ret)
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return ret;
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stream = snd_hdac_ext_stream_assign(ebus, substream,
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HDAC_EXT_STREAM_TYPE_COUPLED);
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if (stream == NULL)
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return -EBUSY;
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skl_set_pcm_constrains(ebus, runtime);
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/*
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* disable WALLCLOCK timestamps for capture streams
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* until we figure out how to handle digital inputs
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*/
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
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runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */
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runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
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}
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runtime->private_data = stream;
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dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL);
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if (!dma_params)
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return -ENOMEM;
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dma_params->stream_tag = hdac_stream(stream)->stream_tag;
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snd_soc_dai_set_dma_data(dai, substream, dma_params);
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dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
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dma_params->stream_tag);
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snd_pcm_set_sync(substream);
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return 0;
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}
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static int skl_get_format(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
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struct skl_dma_params *dma_params;
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int format_val = 0;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
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if (dma_params)
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format_val = dma_params->format;
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return format_val;
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}
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static int skl_pcm_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
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unsigned int format_val;
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int err;
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
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if (hdac_stream(stream)->prepared) {
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dev_dbg(dai->dev, "already stream is prepared - returning\n");
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return 0;
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}
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format_val = skl_get_format(substream, dai);
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dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n",
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hdac_stream(stream)->stream_tag, format_val);
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snd_hdac_stream_reset(hdac_stream(stream));
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err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
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if (err < 0)
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return err;
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err = snd_hdac_stream_setup(hdac_stream(stream));
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if (err < 0)
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return err;
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hdac_stream(stream)->prepared = 1;
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return err;
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}
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static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
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struct snd_pcm_runtime *runtime = substream->runtime;
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int ret;
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
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ret = skl_substream_alloc_pages(ebus, substream,
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params_buffer_bytes(params));
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if (ret < 0)
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return ret;
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dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n",
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runtime->rate, runtime->channels, runtime->format);
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return 0;
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}
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static void skl_pcm_close(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
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struct skl_dma_params *dma_params = NULL;
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
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snd_hdac_ext_stream_release(stream, HDAC_EXT_STREAM_TYPE_COUPLED);
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dma_params = snd_soc_dai_get_dma_data(dai, substream);
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/*
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* now we should set this to NULL as we are freeing by the
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* dma_params
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*/
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snd_soc_dai_set_dma_data(dai, substream, NULL);
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pm_runtime_mark_last_busy(dai->dev);
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pm_runtime_put_autosuspend(dai->dev);
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kfree(dma_params);
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}
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static int skl_pcm_hw_free(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
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snd_hdac_stream_cleanup(hdac_stream(stream));
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hdac_stream(stream)->prepared = 0;
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return skl_substream_free_pages(ebus_to_hbus(ebus), substream);
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}
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static struct snd_soc_dai_ops skl_pcm_dai_ops = {
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.startup = skl_pcm_open,
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.shutdown = skl_pcm_close,
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.prepare = skl_pcm_prepare,
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.hw_params = skl_pcm_hw_params,
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.hw_free = skl_pcm_hw_free,
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};
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static struct snd_soc_dai_driver skl_platform_dai[] = {
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{
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.name = "System Pin",
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.ops = &skl_pcm_dai_ops,
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.playback = {
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.stream_name = "System Playback",
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.channels_min = HDA_MONO,
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.channels_max = HDA_STEREO,
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.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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.capture = {
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.stream_name = "System Capture",
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.channels_min = HDA_MONO,
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.channels_max = HDA_STEREO,
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.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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},
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{
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.name = "Deepbuffer Pin",
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.ops = &skl_pcm_dai_ops,
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.playback = {
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.stream_name = "Deepbuffer Playback",
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.channels_min = HDA_STEREO,
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.channels_max = HDA_STEREO,
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.rates = SNDRV_PCM_RATE_48000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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},
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{
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.name = "LowLatency Pin",
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.ops = &skl_pcm_dai_ops,
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.playback = {
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.stream_name = "Low Latency Playback",
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.channels_min = HDA_STEREO,
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.channels_max = HDA_STEREO,
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.rates = SNDRV_PCM_RATE_48000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
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},
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},
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};
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static int skl_platform_open(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime;
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai_link *dai_link = rtd->dai_link;
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dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__,
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dai_link->cpu_dai_name);
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runtime = substream->runtime;
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snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw);
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return 0;
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}
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static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream,
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int cmd)
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{
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struct hdac_ext_bus *ebus = get_bus_ctx(substream);
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struct hdac_bus *bus = ebus_to_hbus(ebus);
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struct hdac_ext_stream *stream;
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struct snd_pcm_substream *s;
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bool start;
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int sbits = 0;
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unsigned long cookie;
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struct hdac_stream *hstr;
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stream = get_hdac_ext_stream(substream);
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hstr = hdac_stream(stream);
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dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd);
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if (!hstr->prepared)
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return -EPIPE;
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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case SNDRV_PCM_TRIGGER_RESUME:
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start = true;
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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case SNDRV_PCM_TRIGGER_STOP:
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start = false;
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break;
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default:
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return -EINVAL;
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}
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snd_pcm_group_for_each_entry(s, substream) {
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if (s->pcm->card != substream->pcm->card)
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continue;
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stream = get_hdac_ext_stream(s);
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sbits |= 1 << hdac_stream(stream)->index;
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snd_pcm_trigger_done(s, substream);
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}
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spin_lock_irqsave(&bus->reg_lock, cookie);
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/* first, set SYNC bits of corresponding streams */
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snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC);
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snd_pcm_group_for_each_entry(s, substream) {
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if (s->pcm->card != substream->pcm->card)
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continue;
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stream = get_hdac_ext_stream(s);
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if (start)
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snd_hdac_stream_start(hdac_stream(stream), true);
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else
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snd_hdac_stream_stop(hdac_stream(stream));
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}
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spin_unlock_irqrestore(&bus->reg_lock, cookie);
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snd_hdac_stream_sync(hstr, start, sbits);
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spin_lock_irqsave(&bus->reg_lock, cookie);
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/* reset SYNC bits */
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snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC);
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if (start)
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snd_hdac_stream_timecounter_init(hstr, sbits);
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spin_unlock_irqrestore(&bus->reg_lock, cookie);
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return 0;
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}
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/* calculate runtime delay from LPIB */
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static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus,
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struct hdac_ext_stream *sstream,
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unsigned int pos)
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{
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struct hdac_bus *bus = ebus_to_hbus(ebus);
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struct hdac_stream *hstream = hdac_stream(sstream);
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struct snd_pcm_substream *substream = hstream->substream;
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int stream = substream->stream;
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unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream);
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int delay;
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if (stream == SNDRV_PCM_STREAM_PLAYBACK)
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delay = pos - lpib_pos;
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else
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delay = lpib_pos - pos;
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if (delay < 0) {
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if (delay >= hstream->delay_negative_threshold)
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delay = 0;
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else
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delay += hstream->bufsize;
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}
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if (delay >= hstream->period_bytes) {
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dev_info(bus->dev,
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"Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
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delay, hstream->period_bytes);
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delay = 0;
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}
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return bytes_to_frames(substream->runtime, delay);
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}
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static unsigned int skl_get_position(struct hdac_ext_stream *hstream,
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int codec_delay)
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{
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struct hdac_stream *hstr = hdac_stream(hstream);
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struct snd_pcm_substream *substream = hstr->substream;
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struct hdac_ext_bus *ebus = get_bus_ctx(substream);
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unsigned int pos;
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int delay;
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/* use the position buffer as default */
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pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
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if (pos >= hdac_stream(hstream)->bufsize)
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pos = 0;
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if (substream->runtime) {
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delay = skl_get_delay_from_lpib(ebus, hstream, pos)
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+ codec_delay;
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substream->runtime->delay += delay;
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}
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return pos;
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}
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|
||||
static snd_pcm_uframes_t skl_platform_pcm_pointer
|
||||
(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
|
||||
|
||||
return bytes_to_frames(substream->runtime,
|
||||
skl_get_position(hstream, 0));
|
||||
}
|
||||
|
||||
static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,
|
||||
u64 nsec)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
|
||||
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
||||
u64 codec_frames, codec_nsecs;
|
||||
|
||||
if (!codec_dai->driver->ops->delay)
|
||||
return nsec;
|
||||
|
||||
codec_frames = codec_dai->driver->ops->delay(substream, codec_dai);
|
||||
codec_nsecs = div_u64(codec_frames * 1000000000LL,
|
||||
substream->runtime->rate);
|
||||
|
||||
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
|
||||
return nsec + codec_nsecs;
|
||||
|
||||
return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
|
||||
}
|
||||
|
||||
static int skl_get_time_info(struct snd_pcm_substream *substream,
|
||||
struct timespec *system_ts, struct timespec *audio_ts,
|
||||
struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
|
||||
struct snd_pcm_audio_tstamp_report *audio_tstamp_report)
|
||||
{
|
||||
struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream);
|
||||
struct hdac_stream *hstr = hdac_stream(sstream);
|
||||
u64 nsec;
|
||||
|
||||
if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) &&
|
||||
(audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) {
|
||||
|
||||
snd_pcm_gettime(substream->runtime, system_ts);
|
||||
|
||||
nsec = timecounter_read(&hstr->tc);
|
||||
nsec = div_u64(nsec, 3); /* can be optimized */
|
||||
if (audio_tstamp_config->report_delay)
|
||||
nsec = skl_adjust_codec_delay(substream, nsec);
|
||||
|
||||
*audio_ts = ns_to_timespec(nsec);
|
||||
|
||||
audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK;
|
||||
audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */
|
||||
audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */
|
||||
|
||||
} else {
|
||||
audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_pcm_ops skl_platform_ops = {
|
||||
.open = skl_platform_open,
|
||||
.ioctl = snd_pcm_lib_ioctl,
|
||||
.trigger = skl_platform_pcm_trigger,
|
||||
.pointer = skl_platform_pcm_pointer,
|
||||
.get_time_info = skl_get_time_info,
|
||||
.mmap = snd_pcm_lib_default_mmap,
|
||||
.page = snd_pcm_sgbuf_ops_page,
|
||||
};
|
||||
|
||||
static void skl_pcm_free(struct snd_pcm *pcm)
|
||||
{
|
||||
snd_pcm_lib_preallocate_free_for_all(pcm);
|
||||
}
|
||||
|
||||
#define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
|
||||
|
||||
static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
|
||||
{
|
||||
struct snd_soc_dai *dai = rtd->cpu_dai;
|
||||
struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
|
||||
struct snd_pcm *pcm = rtd->pcm;
|
||||
unsigned int size;
|
||||
int retval = 0;
|
||||
struct skl *skl = ebus_to_skl(ebus);
|
||||
|
||||
if (dai->driver->playback.channels_min ||
|
||||
dai->driver->capture.channels_min) {
|
||||
/* buffer pre-allocation */
|
||||
size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
|
||||
if (size > MAX_PREALLOC_SIZE)
|
||||
size = MAX_PREALLOC_SIZE;
|
||||
retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
|
||||
SNDRV_DMA_TYPE_DEV_SG,
|
||||
snd_dma_pci_data(skl->pci),
|
||||
size, MAX_PREALLOC_SIZE);
|
||||
if (retval) {
|
||||
dev_err(dai->dev, "dma buffer allocationf fail\n");
|
||||
return retval;
|
||||
}
|
||||
}
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
static struct snd_soc_platform_driver skl_platform_drv = {
|
||||
.ops = &skl_platform_ops,
|
||||
.pcm_new = skl_pcm_new,
|
||||
.pcm_free = skl_pcm_free,
|
||||
};
|
||||
|
||||
static const struct snd_soc_component_driver skl_component = {
|
||||
.name = "pcm",
|
||||
};
|
||||
|
||||
int skl_platform_register(struct device *dev)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = snd_soc_register_platform(dev, &skl_platform_drv);
|
||||
if (ret) {
|
||||
dev_err(dev, "soc platform registration failed %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
ret = snd_soc_register_component(dev, &skl_component,
|
||||
skl_platform_dai,
|
||||
ARRAY_SIZE(skl_platform_dai));
|
||||
if (ret) {
|
||||
dev_err(dev, "soc component registration failed %d\n", ret);
|
||||
snd_soc_unregister_platform(dev);
|
||||
}
|
||||
|
||||
return ret;
|
||||
|
||||
}
|
||||
|
||||
int skl_platform_unregister(struct device *dev)
|
||||
{
|
||||
snd_soc_unregister_component(dev);
|
||||
snd_soc_unregister_platform(dev);
|
||||
return 0;
|
||||
}
|
||||
71
sound/soc/intel/skylake/skl.h
Normal file
71
sound/soc/intel/skylake/skl.h
Normal file
@ -0,0 +1,71 @@
|
||||
/*
|
||||
* skl.h - HD Audio skylake defintions.
|
||||
*
|
||||
* Copyright (C) 2015 Intel Corp
|
||||
* Author: Jeeja KP <jeeja.kp@intel.com>
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __SOUND_SOC_SKL_H
|
||||
#define __SOUND_SOC_SKL_H
|
||||
|
||||
#include <sound/hda_register.h>
|
||||
#include <sound/hdaudio_ext.h>
|
||||
|
||||
#define SKL_SUSPEND_DELAY 2000
|
||||
|
||||
/* Vendor Specific Registers */
|
||||
#define AZX_REG_VS_EM1 0x1000
|
||||
#define AZX_REG_VS_INRC 0x1004
|
||||
#define AZX_REG_VS_OUTRC 0x1008
|
||||
#define AZX_REG_VS_FIFOTRK 0x100C
|
||||
#define AZX_REG_VS_FIFOTRK2 0x1010
|
||||
#define AZX_REG_VS_EM2 0x1030
|
||||
#define AZX_REG_VS_EM3L 0x1038
|
||||
#define AZX_REG_VS_EM3U 0x103C
|
||||
#define AZX_REG_VS_EM4L 0x1040
|
||||
#define AZX_REG_VS_EM4U 0x1044
|
||||
#define AZX_REG_VS_LTRC 0x1048
|
||||
#define AZX_REG_VS_D0I3C 0x104A
|
||||
#define AZX_REG_VS_PCE 0x104B
|
||||
#define AZX_REG_VS_L2MAGC 0x1050
|
||||
#define AZX_REG_VS_L2LAHPT 0x1054
|
||||
#define AZX_REG_VS_SDXDPIB_XBASE 0x1084
|
||||
#define AZX_REG_VS_SDXDPIB_XINTERVAL 0x20
|
||||
#define AZX_REG_VS_SDXEFIFOS_XBASE 0x1094
|
||||
#define AZX_REG_VS_SDXEFIFOS_XINTERVAL 0x20
|
||||
|
||||
struct skl {
|
||||
struct hdac_ext_bus ebus;
|
||||
struct pci_dev *pci;
|
||||
|
||||
unsigned int init_failed:1; /* delayed init failed */
|
||||
struct platform_device *dmic_dev;
|
||||
};
|
||||
|
||||
#define skl_to_ebus(s) (&(s)->ebus)
|
||||
#define ebus_to_skl(sbus) \
|
||||
container_of(sbus, struct skl, sbus)
|
||||
|
||||
/* to pass dai dma data */
|
||||
struct skl_dma_params {
|
||||
u32 format;
|
||||
u8 stream_tag;
|
||||
};
|
||||
|
||||
int skl_platform_unregister(struct device *dev);
|
||||
int skl_platform_register(struct device *dev);
|
||||
|
||||
#endif /* __SOUND_SOC_SKL_H */
|
||||
Loading…
Reference in New Issue
Block a user