diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 781 |
1 files changed, 148 insertions, 633 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 87be938622dd..36519aef55d9 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -47,27 +47,11 @@ #else #define dbg(format, arg...) #endif -/* debug DAI capabilities matching */ -#define SOC_DEBUG_DAI 0 -#if SOC_DEBUG_DAI -#define dbgc(format, arg...) printk(format, ## arg) -#else -#define dbgc(format, arg...) -#endif - -#define CODEC_CPU(codec, cpu) ((codec << 4) | cpu) static DEFINE_MUTEX(pcm_mutex); static DEFINE_MUTEX(io_mutex); static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); -/* supported sample rates */ -/* ATTENTION: these values depend on the definition in pcm.h! */ -static const unsigned int rates[] = { - 5512, 8000, 11025, 16000, 22050, 32000, 44100, - 48000, 64000, 88200, 96000, 176400, 192000 -}; - /* * This is a timeout to do a DAPM powerdown after a stream is closed(). * It can be used to eliminate pops between different playback streams, e.g. @@ -142,458 +126,6 @@ static inline const char* get_dai_name(int type) return NULL; } -/* get rate format from rate */ -static inline int soc_get_rate_format(int rate) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(rates); i++) { - if (rates[i] == rate) - return 1 << i; - } - return 0; -} - -/* gets the audio system mclk/sysclk for the given parameters */ -static unsigned inline int soc_get_mclk(struct snd_soc_pcm_runtime *rtd, - struct snd_soc_clock_info *info) -{ - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_machine *machine = socdev->machine; - int i; - - /* find the matching machine config and get it's mclk for the given - * sample rate and hardware format */ - for(i = 0; i < machine->num_links; i++) { - if (machine->dai_link[i].cpu_dai == rtd->cpu_dai && - machine->dai_link[i].config_sysclk) - return machine->dai_link[i].config_sysclk(rtd, info); - } - return 0; -} - -/* changes a bitclk multiplier mask to a divider mask */ -static u64 soc_bfs_rcw_to_div(u64 bfs, int rate, unsigned int mclk, - unsigned int pcmfmt, unsigned int chn) -{ - int i, j; - u64 bfs_ = 0; - int size = snd_pcm_format_physical_width(pcmfmt), min = 0; - - if (size <= 0) - return 0; - - /* the minimum bit clock that has enough bandwidth */ - min = size * rate * chn; - dbgc("rcw --> div min bclk %d with mclk %d\n", min, mclk); - - for (i = 0; i < 64; i++) { - if ((bfs >> i) & 0x1) { - j = min * (i + 1); - bfs_ |= SND_SOC_FSBD(mclk/j); - dbgc("rcw --> div support mult %d\n", - SND_SOC_FSBD_REAL(1<<i)); - } - } - - return bfs_; -} - -/* changes a bitclk divider mask to a multiplier mask */ -static u64 soc_bfs_div_to_rcw(u64 bfs, int rate, unsigned int mclk, - unsigned int pcmfmt, unsigned int chn) -{ - int i, j; - u64 bfs_ = 0; - - int size = snd_pcm_format_physical_width(pcmfmt), min = 0; - - if (size <= 0) - return 0; - - /* the minimum bit clock that has enough bandwidth */ - min = size * rate * chn; - dbgc("div to rcw min bclk %d with mclk %d\n", min, mclk); - - for (i = 0; i < 64; i++) { - if ((bfs >> i) & 0x1) { - j = mclk / (i + 1); - if (j >= min) { - bfs_ |= SND_SOC_FSBW(j/min); - dbgc("div --> rcw support div %d\n", - SND_SOC_FSBW_REAL(1<<i)); - } - } - } - - return bfs_; -} - -/* changes a constant bitclk to a multiplier mask */ -static u64 soc_bfs_rate_to_rcw(u64 bfs, int rate, unsigned int mclk, - unsigned int pcmfmt, unsigned int chn) -{ - unsigned int bfs_ = rate * bfs; - int size = snd_pcm_format_physical_width(pcmfmt), min = 0; - - if (size <= 0) - return 0; - - /* the minimum bit clock that has enough bandwidth */ - min = size * rate * chn; - dbgc("rate --> rcw min bclk %d with mclk %d\n", min, mclk); - - if (bfs_ < min) - return 0; - else { - bfs_ = SND_SOC_FSBW(bfs_/min); - dbgc("rate --> rcw support div %d\n", SND_SOC_FSBW_REAL(bfs_)); - return bfs_; - } -} - -/* changes a bitclk multiplier mask to a divider mask */ -static u64 soc_bfs_rate_to_div(u64 bfs, int rate, unsigned int mclk, - unsigned int pcmfmt, unsigned int chn) -{ - unsigned int bfs_ = rate * bfs; - int size = snd_pcm_format_physical_width(pcmfmt), min = 0; - - if (size <= 0) - return 0; - - /* the minimum bit clock that has enough bandwidth */ - min = size * rate * chn; - dbgc("rate --> div min bclk %d with mclk %d\n", min, mclk); - - if (bfs_ < min) - return 0; - else { - bfs_ = SND_SOC_FSBW(mclk/bfs_); - dbgc("rate --> div support div %d\n", SND_SOC_FSBD_REAL(bfs_)); - return bfs_; - } -} - -/* Matches codec DAI and SoC CPU DAI hardware parameters */ -static int soc_hw_match_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai_mode *codec_dai_mode = NULL; - struct snd_soc_dai_mode *cpu_dai_mode = NULL; - struct snd_soc_clock_info clk_info; - unsigned int fs, mclk, rate = params_rate(params), - chn, j, k, cpu_bclk, codec_bclk, pcmrate; - u16 fmt = 0; - u64 codec_bfs, cpu_bfs; - - dbg("asoc: match version %s\n", SND_SOC_VERSION); - clk_info.rate = rate; - pcmrate = soc_get_rate_format(rate); - - /* try and find a match from the codec and cpu DAI capabilities */ - for (j = 0; j < rtd->codec_dai->caps.num_modes; j++) { - for (k = 0; k < rtd->cpu_dai->caps.num_modes; k++) { - codec_dai_mode = &rtd->codec_dai->caps.mode[j]; - cpu_dai_mode = &rtd->cpu_dai->caps.mode[k]; - - if (!(codec_dai_mode->pcmrate & cpu_dai_mode->pcmrate & - pcmrate)) { - dbgc("asoc: DAI[%d:%d] failed to match rate\n", j, k); - continue; - } - - fmt = codec_dai_mode->fmt & cpu_dai_mode->fmt; - if (!(fmt & SND_SOC_DAIFMT_FORMAT_MASK)) { - dbgc("asoc: DAI[%d:%d] failed to match format\n", j, k); - continue; - } - - if (!(fmt & SND_SOC_DAIFMT_CLOCK_MASK)) { - dbgc("asoc: DAI[%d:%d] failed to match clock masters\n", - j, k); - continue; - } - - if (!(fmt & SND_SOC_DAIFMT_INV_MASK)) { - dbgc("asoc: DAI[%d:%d] failed to match invert\n", j, k); - continue; - } - - if (!(codec_dai_mode->pcmfmt & cpu_dai_mode->pcmfmt)) { - dbgc("asoc: DAI[%d:%d] failed to match pcm format\n", j, k); - continue; - } - - if (!(codec_dai_mode->pcmdir & cpu_dai_mode->pcmdir)) { - dbgc("asoc: DAI[%d:%d] failed to match direction\n", j, k); - continue; - } - - /* todo - still need to add tdm selection */ - rtd->cpu_dai->dai_runtime.fmt = - rtd->codec_dai->dai_runtime.fmt = - 1 << (ffs(fmt & SND_SOC_DAIFMT_FORMAT_MASK) -1) | - 1 << (ffs(fmt & SND_SOC_DAIFMT_CLOCK_MASK) - 1) | - 1 << (ffs(fmt & SND_SOC_DAIFMT_INV_MASK) - 1); - clk_info.bclk_master = - rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK; - - /* make sure the ratio between rate and master - * clock is acceptable*/ - fs = (cpu_dai_mode->fs & codec_dai_mode->fs); - if (fs == 0) { - dbgc("asoc: DAI[%d:%d] failed to match FS\n", j, k); - continue; - } - clk_info.fs = rtd->cpu_dai->dai_runtime.fs = - rtd->codec_dai->dai_runtime.fs = fs; - - /* calculate audio system clocking using slowest clocks possible*/ - mclk = soc_get_mclk(rtd, &clk_info); - if (mclk == 0) { - dbgc("asoc: DAI[%d:%d] configuration not clockable\n", j, k); - dbgc("asoc: rate %d fs %d master %x\n", rate, fs, - clk_info.bclk_master); - continue; - } - - /* calculate word size (per channel) and frame size */ - rtd->codec_dai->dai_runtime.pcmfmt = - rtd->cpu_dai->dai_runtime.pcmfmt = - 1 << params_format(params); - - chn = params_channels(params); - /* i2s always has left and right */ - if (params_channels(params) == 1 && - rtd->cpu_dai->dai_runtime.fmt & (SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_LEFT_J)) - chn <<= 1; - - /* Calculate bfs - the ratio between bitclock and the sample rate - * We must take into consideration the dividers and multipliers - * used in the codec and cpu DAI modes. We always choose the - * lowest possible clocks to reduce power. - */ - switch (CODEC_CPU(codec_dai_mode->flags, cpu_dai_mode->flags)) { - case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_DIV): - /* cpu & codec bfs dividers */ - rtd->cpu_dai->dai_runtime.bfs = - rtd->codec_dai->dai_runtime.bfs = - 1 << (fls(codec_dai_mode->bfs & cpu_dai_mode->bfs) - 1); - break; - case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RCW): - /* normalise bfs codec divider & cpu rcw mult */ - codec_bfs = soc_bfs_div_to_rcw(codec_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - rtd->cpu_dai->dai_runtime.bfs = - 1 << (ffs(codec_bfs & cpu_dai_mode->bfs) - 1); - cpu_bfs = soc_bfs_rcw_to_div(cpu_dai_mode->bfs, rate, mclk, - rtd->codec_dai->dai_runtime.pcmfmt, chn); - rtd->codec_dai->dai_runtime.bfs = - 1 << (fls(codec_dai_mode->bfs & cpu_bfs) - 1); - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_DIV): - /* normalise bfs codec rcw mult & cpu divider */ - codec_bfs = soc_bfs_rcw_to_div(codec_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - rtd->cpu_dai->dai_runtime.bfs = - 1 << (fls(codec_bfs & cpu_dai_mode->bfs) -1); - cpu_bfs = soc_bfs_div_to_rcw(cpu_dai_mode->bfs, rate, mclk, - rtd->codec_dai->dai_runtime.pcmfmt, chn); - rtd->codec_dai->dai_runtime.bfs = - 1 << (ffs(codec_dai_mode->bfs & cpu_bfs) -1); - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RCW): - /* codec & cpu bfs rate rcw multipliers */ - rtd->cpu_dai->dai_runtime.bfs = - rtd->codec_dai->dai_runtime.bfs = - 1 << (ffs(codec_dai_mode->bfs & cpu_dai_mode->bfs) -1); - break; - case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RATE): - /* normalise cpu bfs rate const multiplier & codec div */ - cpu_bfs = soc_bfs_rate_to_div(cpu_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - if(codec_dai_mode->bfs & cpu_bfs) { - rtd->codec_dai->dai_runtime.bfs = cpu_bfs; - rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs; - } else - rtd->cpu_dai->dai_runtime.bfs = 0; - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RATE): - /* normalise cpu bfs rate const multiplier & codec rcw mult */ - cpu_bfs = soc_bfs_rate_to_rcw(cpu_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - if(codec_dai_mode->bfs & cpu_bfs) { - rtd->codec_dai->dai_runtime.bfs = cpu_bfs; - rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs; - } else - rtd->cpu_dai->dai_runtime.bfs = 0; - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RCW): - /* normalise cpu bfs rate rcw multiplier & codec const mult */ - codec_bfs = soc_bfs_rate_to_rcw(codec_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - if(cpu_dai_mode->bfs & codec_bfs) { - rtd->cpu_dai->dai_runtime.bfs = codec_bfs; - rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs; - } else - rtd->cpu_dai->dai_runtime.bfs = 0; - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_DIV): - /* normalise cpu bfs div & codec const mult */ - codec_bfs = soc_bfs_rate_to_div(codec_dai_mode->bfs, rate, - mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn); - if(cpu_dai_mode->bfs & codec_bfs) { - rtd->cpu_dai->dai_runtime.bfs = codec_bfs; - rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs; - } else - rtd->cpu_dai->dai_runtime.bfs = 0; - break; - case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RATE): - /* cpu & codec constant mult */ - if(codec_dai_mode->bfs == cpu_dai_mode->bfs) - rtd->cpu_dai->dai_runtime.bfs = - rtd->codec_dai->dai_runtime.bfs = - codec_dai_mode->bfs; - else - rtd->cpu_dai->dai_runtime.bfs = - rtd->codec_dai->dai_runtime.bfs = 0; - break; - } - - /* make sure the bit clock speed is acceptable */ - if (!rtd->cpu_dai->dai_runtime.bfs || - !rtd->codec_dai->dai_runtime.bfs) { - dbgc("asoc: DAI[%d:%d] failed to match BFS\n", j, k); - dbgc("asoc: cpu_dai %llu codec %llu\n", - rtd->cpu_dai->dai_runtime.bfs, - rtd->codec_dai->dai_runtime.bfs); - dbgc("asoc: mclk %d hwfmt %x\n", mclk, fmt); - continue; - } - - goto found; - } - } - printk(KERN_ERR "asoc: no matching DAI found between codec and CPU\n"); - return -EINVAL; - -found: - /* we have matching DAI's, so complete the runtime info */ - rtd->codec_dai->dai_runtime.pcmrate = - rtd->cpu_dai->dai_runtime.pcmrate = - soc_get_rate_format(rate); - - rtd->codec_dai->dai_runtime.priv = codec_dai_mode->priv; - rtd->cpu_dai->dai_runtime.priv = cpu_dai_mode->priv; - rtd->codec_dai->dai_runtime.flags = codec_dai_mode->flags; - rtd->cpu_dai->dai_runtime.flags = cpu_dai_mode->flags; - - /* for debug atm */ - dbg("asoc: DAI[%d:%d] Match OK\n", j, k); - if (rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) { - codec_bclk = (rtd->codec_dai->dai_runtime.fs * params_rate(params)) / - SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs); - dbg("asoc: codec fs %d mclk %d bfs div %d bclk %d\n", - rtd->codec_dai->dai_runtime.fs, mclk, - SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk); - } else if(rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) { - codec_bclk = params_rate(params) * rtd->codec_dai->dai_runtime.bfs; - dbg("asoc: codec fs %d mclk %d bfs rate mult %llu bclk %d\n", - rtd->codec_dai->dai_runtime.fs, mclk, - rtd->codec_dai->dai_runtime.bfs, codec_bclk); - } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) { - codec_bclk = params_rate(params) * params_channels(params) * - snd_pcm_format_physical_width(rtd->codec_dai->dai_runtime.pcmfmt) * - SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs); - dbg("asoc: codec fs %d mclk %d bfs rcw mult %d bclk %d\n", - rtd->codec_dai->dai_runtime.fs, mclk, - SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk); - } else - codec_bclk = 0; - - if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) { - cpu_bclk = (rtd->cpu_dai->dai_runtime.fs * params_rate(params)) / - SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs); - dbg("asoc: cpu fs %d mclk %d bfs div %d bclk %d\n", - rtd->cpu_dai->dai_runtime.fs, mclk, - SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk); - } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) { - cpu_bclk = params_rate(params) * rtd->cpu_dai->dai_runtime.bfs; - dbg("asoc: cpu fs %d mclk %d bfs rate mult %llu bclk %d\n", - rtd->cpu_dai->dai_runtime.fs, mclk, - rtd->cpu_dai->dai_runtime.bfs, cpu_bclk); - } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) { - cpu_bclk = params_rate(params) * params_channels(params) * - snd_pcm_format_physical_width(rtd->cpu_dai->dai_runtime.pcmfmt) * - SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs); - dbg("asoc: cpu fs %d mclk %d bfs mult rcw %d bclk %d\n", - rtd->cpu_dai->dai_runtime.fs, mclk, - SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk); - } else - cpu_bclk = 0; - - /* - * Check we have matching bitclocks. If we don't then it means the - * sysclock returned by either the codec or cpu DAI (selected by the - * machine sysclock function) is wrong compared with the supported DAI - * modes for the codec or cpu DAI. Check your codec or CPU DAI - * config_sysclock() functions. - */ - if (cpu_bclk != codec_bclk && cpu_bclk){ - printk(KERN_ERR - "asoc: codec and cpu bitclocks differ, audio may be wrong speed\n" - ); - printk(KERN_ERR "asoc: codec %d != cpu %d\n", codec_bclk, cpu_bclk); - } - - switch(rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - dbg("asoc: DAI codec BCLK master, LRC master\n"); - break; - case SND_SOC_DAIFMT_CBS_CFM: - dbg("asoc: DAI codec BCLK slave, LRC master\n"); - break; - case SND_SOC_DAIFMT_CBM_CFS: - dbg("asoc: DAI codec BCLK master, LRC slave\n"); - break; - case SND_SOC_DAIFMT_CBS_CFS: - dbg("asoc: DAI codec BCLK slave, LRC slave\n"); - break; - } - dbg("asoc: mode %x, invert %x\n", - rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK, - rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK); - dbg("asoc: audio rate %d chn %d fmt %x\n", params_rate(params), - params_channels(params), params_format(params)); - - return 0; -} - -static inline u32 get_rates(struct snd_soc_dai_mode *modes, int nmodes) -{ - int i; - u32 rates = 0; - - for(i = 0; i < nmodes; i++) - rates |= modes[i].pcmrate; - - return rates; -} - -static inline u64 get_formats(struct snd_soc_dai_mode *modes, int nmodes) -{ - int i; - u64 formats = 0; - - for(i = 0; i < nmodes; i++) - formats |= modes[i].pcmfmt; - - return formats; -} - /* * Called by ALSA when a PCM substream is opened, the runtime->hw record is * then initialized and any private data can be allocated. This also calls @@ -604,20 +136,20 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_soc_machine *machine = socdev->machine; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; - struct snd_soc_codec_dai *codec_dai = rtd->codec_dai; - struct snd_soc_cpu_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; int ret = 0; mutex_lock(&pcm_mutex); /* startup the audio subsystem */ - if (rtd->cpu_dai->ops.startup) { - ret = rtd->cpu_dai->ops.startup(substream); + if (cpu_dai->ops.startup) { + ret = cpu_dai->ops.startup(substream); if (ret < 0) { printk(KERN_ERR "asoc: can't open interface %s\n", - rtd->cpu_dai->name); + cpu_dai->name); goto out; } } @@ -630,116 +162,101 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) } } - if (machine->ops && machine->ops->startup) { - ret = machine->ops->startup(substream); + if (codec_dai->ops.startup) { + ret = codec_dai->ops.startup(substream); if (ret < 0) { - printk(KERN_ERR "asoc: %s startup failed\n", machine->name); - goto machine_err; + printk(KERN_ERR "asoc: can't open codec %s\n", + codec_dai->name); + goto codec_dai_err; } } - if (rtd->codec_dai->ops.startup) { - ret = rtd->codec_dai->ops.startup(substream); + if (machine->ops && machine->ops->startup) { + ret = machine->ops->startup(substream); if (ret < 0) { - printk(KERN_ERR "asoc: can't open codec %s\n", - rtd->codec_dai->name); - goto codec_dai_err; + printk(KERN_ERR "asoc: %s startup failed\n", machine->name); + goto machine_err; } } - /* create runtime params from DMA, codec and cpu DAI */ - if (runtime->hw.rates) - runtime->hw.rates &= - get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) & - get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes); - else - runtime->hw.rates = - get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) & - get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes); - if (runtime->hw.formats) - runtime->hw.formats &= - get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) & - get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes); - else - runtime->hw.formats = - get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) & - get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes); - /* Check that the codec and cpu DAI's are compatible */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { runtime->hw.rate_min = - max(rtd->codec_dai->playback.rate_min, - rtd->cpu_dai->playback.rate_min); + max(codec_dai->playback.rate_min, cpu_dai->playback.rate_min); runtime->hw.rate_max = - min(rtd->codec_dai->playback.rate_max, - rtd->cpu_dai->playback.rate_max); + min(codec_dai->playback.rate_max, cpu_dai->playback.rate_max); runtime->hw.channels_min = - max(rtd->codec_dai->playback.channels_min, - rtd->cpu_dai->playback.channels_min); + max(codec_dai->playback.channels_min, + cpu_dai->playback.channels_min); runtime->hw.channels_max = - min(rtd->codec_dai->playback.channels_max, - rtd->cpu_dai->playback.channels_max); + min(codec_dai->playback.channels_max, + cpu_dai->playback.channels_max); + runtime->hw.formats = + codec_dai->playback.formats & cpu_dai->playback.formats; + runtime->hw.rates = + codec_dai->playback.rates & cpu_dai->playback.rates; } else { runtime->hw.rate_min = - max(rtd->codec_dai->capture.rate_min, - rtd->cpu_dai->capture.rate_min); + max(codec_dai->capture.rate_min, cpu_dai->capture.rate_min); runtime->hw.rate_max = - min(rtd->codec_dai->capture.rate_max, - rtd->cpu_dai->capture.rate_max); + min(codec_dai->capture.rate_max, cpu_dai->capture.rate_max); runtime->hw.channels_min = - max(rtd->codec_dai->capture.channels_min, - rtd->cpu_dai->capture.channels_min); + max(codec_dai->capture.channels_min, + cpu_dai->capture.channels_min); runtime->hw.channels_max = - min(rtd->codec_dai->capture.channels_max, - rtd->cpu_dai->capture.channels_max); + min(codec_dai->capture.channels_max, + cpu_dai->capture.channels_max); + runtime->hw.formats = + codec_dai->capture.formats & cpu_dai->capture.formats; + runtime->hw.rates = + codec_dai->capture.rates & cpu_dai->capture.rates; } snd_pcm_limit_hw_rates(runtime); if (!runtime->hw.rates) { printk(KERN_ERR "asoc: %s <-> %s No matching rates\n", - rtd->codec_dai->name, rtd->cpu_dai->name); - goto codec_dai_err; + codec_dai->name, cpu_dai->name); + goto machine_err; } if (!runtime->hw.formats) { printk(KERN_ERR "asoc: %s <-> %s No matching formats\n", - rtd->codec_dai->name, rtd->cpu_dai->name); - goto codec_dai_err; + codec_dai->name, cpu_dai->name); + goto machine_err; } if (!runtime->hw.channels_min || !runtime->hw.channels_max) { printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", - rtd->codec_dai->name, rtd->cpu_dai->name); - goto codec_dai_err; + codec_dai->name, cpu_dai->name); + goto machine_err; } - dbg("asoc: %s <-> %s info:\n", rtd->codec_dai->name, rtd->cpu_dai->name); + dbg("asoc: %s <-> %s info:\n",codec_dai->name, cpu_dai->name); dbg("asoc: rate mask 0x%x\n", runtime->hw.rates); dbg("asoc: min ch %d max ch %d\n", runtime->hw.channels_min, runtime->hw.channels_max); dbg("asoc: min rate %d max rate %d\n", runtime->hw.rate_min, runtime->hw.rate_max); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 1; + cpu_dai->playback.active = codec_dai->playback.active = 1; else - rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 1; - rtd->cpu_dai->active = rtd->codec_dai->active = 1; - rtd->cpu_dai->runtime = runtime; + cpu_dai->capture.active = codec_dai->capture.active = 1; + cpu_dai->active = codec_dai->active = 1; + cpu_dai->runtime = runtime; socdev->codec->active++; mutex_unlock(&pcm_mutex); return 0; -codec_dai_err: +machine_err: if (machine->ops && machine->ops->shutdown) machine->ops->shutdown(substream); -machine_err: +codec_dai_err: if (platform->pcm_ops->close) platform->pcm_ops->close(substream); platform_err: - if (rtd->cpu_dai->ops.shutdown) - rtd->cpu_dai->ops.shutdown(substream); + if (cpu_dai->ops.shutdown) + cpu_dai->ops.shutdown(substream); out: mutex_unlock(&pcm_mutex); return ret; @@ -795,47 +312,49 @@ static int soc_codec_close(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_machine *machine = socdev->machine; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; struct snd_soc_codec *codec = socdev->codec; mutex_lock(&pcm_mutex); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 0; + cpu_dai->playback.active = codec_dai->playback.active = 0; else - rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 0; + cpu_dai->capture.active = codec_dai->capture.active = 0; - if (rtd->codec_dai->playback.active == 0 && - rtd->codec_dai->capture.active == 0) { - rtd->cpu_dai->active = rtd->codec_dai->active = 0; + if (codec_dai->playback.active == 0 && + codec_dai->capture.active == 0) { + cpu_dai->active = codec_dai->active = 0; } codec->active--; - if (rtd->cpu_dai->ops.shutdown) - rtd->cpu_dai->ops.shutdown(substream); + if (cpu_dai->ops.shutdown) + cpu_dai->ops.shutdown(substream); - if (rtd->codec_dai->ops.shutdown) - rtd->codec_dai->ops.shutdown(substream); + if (codec_dai->ops.shutdown) + codec_dai->ops.shutdown(substream); if (machine->ops && machine->ops->shutdown) machine->ops->shutdown(substream); if (platform->pcm_ops->close) platform->pcm_ops->close(substream); - rtd->cpu_dai->runtime = NULL; + cpu_dai->runtime = NULL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* start delayed pop wq here for playback streams */ - rtd->codec_dai->pop_wait = 1; + codec_dai->pop_wait = 1; schedule_delayed_work(&socdev->delayed_work, msecs_to_jiffies(pmdown_time)); } else { /* capture streams can be powered down now */ - snd_soc_dapm_stream_event(codec, rtd->codec_dai->capture.stream_name, - SND_SOC_DAPM_STREAM_STOP); + snd_soc_dapm_stream_event(codec, + codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_STOP); - if (codec->active == 0 && rtd->codec_dai->pop_wait == 0){ + if (codec->active == 0 && codec_dai->pop_wait == 0){ if (codec->dapm_event) codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot); } @@ -854,11 +373,23 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; struct snd_soc_codec *codec = socdev->codec; int ret = 0; mutex_lock(&pcm_mutex); + + if (machine->ops && machine->ops->prepare) { + ret = machine->ops->prepare(substream); + if (ret < 0) { + printk(KERN_ERR "asoc: machine prepare error\n"); + goto out; + } + } + if (platform->pcm_ops->prepare) { ret = platform->pcm_ops->prepare(substream); if (ret < 0) { @@ -867,30 +398,35 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) } } - if (rtd->codec_dai->ops.prepare) { - ret = rtd->codec_dai->ops.prepare(substream); + if (codec_dai->ops.prepare) { + ret = codec_dai->ops.prepare(substream); if (ret < 0) { printk(KERN_ERR "asoc: codec DAI prepare error\n"); goto out; } } - if (rtd->cpu_dai->ops.prepare) - ret = rtd->cpu_dai->ops.prepare(substream); + if (cpu_dai->ops.prepare) { + ret = cpu_dai->ops.prepare(substream); + if (ret < 0) { + printk(KERN_ERR "asoc: cpu DAI prepare error\n"); + goto out; + } + } /* we only want to start a DAPM playback stream if we are not waiting * on an existing one stopping */ - if (rtd->codec_dai->pop_wait) { + if (codec_dai->pop_wait) { /* we are waiting for the delayed work to start */ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - snd_soc_dapm_stream_event(codec, - rtd->codec_dai->capture.stream_name, + snd_soc_dapm_stream_event(socdev->codec, + codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_START); else { - rtd->codec_dai->pop_wait = 0; + codec_dai->pop_wait = 0; cancel_delayed_work(&socdev->delayed_work); - if (rtd->codec_dai->digital_mute) - rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); + if (codec_dai->dai_ops.digital_mute) + codec_dai->dai_ops.digital_mute(codec_dai, 0); } } else { /* no delayed work - do we need to power up codec */ @@ -901,30 +437,30 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dapm_stream_event(codec, - rtd->codec_dai->playback.stream_name, + codec_dai->playback.stream_name, SND_SOC_DAPM_STREAM_START); else snd_soc_dapm_stream_event(codec, - rtd->codec_dai->capture.stream_name, + codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_START); if (codec->dapm_event) codec->dapm_event(codec, SNDRV_CTL_POWER_D0); - if (rtd->codec_dai->digital_mute) - rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); + if (codec_dai->dai_ops.digital_mute) + codec_dai->dai_ops.digital_mute(codec_dai, 0); } else { /* codec already powered - power on widgets */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dapm_stream_event(codec, - rtd->codec_dai->playback.stream_name, + codec_dai->playback.stream_name, SND_SOC_DAPM_STREAM_START); else snd_soc_dapm_stream_event(codec, - rtd->codec_dai->capture.stream_name, + codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_START); - if (rtd->codec_dai->digital_mute) - rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); + if (codec_dai->dai_ops.digital_mute) + codec_dai->dai_ops.digital_mute(codec_dai, 0); } } @@ -943,39 +479,36 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; - struct snd_soc_machine *machine = socdev->machine; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; int ret = 0; mutex_lock(&pcm_mutex); - /* we don't need to match any AC97 params */ - if (rtd->cpu_dai->type != SND_SOC_DAI_AC97) { - ret = soc_hw_match_params(substream, params); - if (ret < 0) - goto out; - } else { - struct snd_soc_clock_info clk_info; - clk_info.rate = params_rate(params); - ret = soc_get_mclk(rtd, &clk_info); - if (ret < 0) + if (machine->ops && machine->ops->hw_params) { + ret = machine->ops->hw_params(substream, params); + if (ret < 0) { + printk(KERN_ERR "asoc: machine hw_params failed\n"); goto out; + } } - if (rtd->codec_dai->ops.hw_params) { - ret = rtd->codec_dai->ops.hw_params(substream, params); + if (codec_dai->ops.hw_params) { + ret = codec_dai->ops.hw_params(substream, params); if (ret < 0) { printk(KERN_ERR "asoc: can't set codec %s hw params\n", - rtd->codec_dai->name); - goto out; + codec_dai->name); + goto codec_err; } } - if (rtd->cpu_dai->ops.hw_params) { - ret = rtd->cpu_dai->ops.hw_params(substream, params); + if (cpu_dai->ops.hw_params) { + ret = cpu_dai->ops.hw_params(substream, params); if (ret < 0) { printk(KERN_ERR "asoc: can't set interface %s hw params\n", - rtd->cpu_dai->name); + cpu_dai->name); goto interface_err; } } @@ -989,29 +522,21 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, } } - if (machine->ops && machine->ops->hw_params) { - ret = machine->ops->hw_params(substream, params); - if (ret < 0) { - printk(KERN_ERR "asoc: machine hw_params failed\n"); - goto machine_err; - } - } - out: mutex_unlock(&pcm_mutex); return ret; -machine_err: - if (platform->pcm_ops->hw_free) - platform->pcm_ops->hw_free(substream); - platform_err: - if (rtd->cpu_dai->ops.hw_free) - rtd->cpu_dai->ops.hw_free(substream); + if (cpu_dai->ops.hw_free) + cpu_dai->ops.hw_free(substream); interface_err: - if (rtd->codec_dai->ops.hw_free) - rtd->codec_dai->ops.hw_free(substream); + if (codec_dai->ops.hw_free) + codec_dai->ops.hw_free(substream); + +codec_err: + if(machine->ops && machine->ops->hw_free) + machine->ops->hw_free(substream); mutex_unlock(&pcm_mutex); return ret; @@ -1024,15 +549,17 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; struct snd_soc_codec *codec = socdev->codec; - struct snd_soc_machine *machine = socdev->machine; mutex_lock(&pcm_mutex); /* apply codec digital mute */ - if (!codec->active && rtd->codec_dai->digital_mute) - rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 1); + if (!codec->active && codec_dai->dai_ops.digital_mute) + codec_dai->dai_ops.digital_mute(codec_dai, 1); /* free any machine hw params */ if (machine->ops && machine->ops->hw_free) @@ -1043,11 +570,11 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream) platform->pcm_ops->hw_free(substream); /* now free hw params for the DAI's */ - if (rtd->codec_dai->ops.hw_free) - rtd->codec_dai->ops.hw_free(substream); + if (codec_dai->ops.hw_free) + codec_dai->ops.hw_free(substream); - if (rtd->cpu_dai->ops.hw_free) - rtd->cpu_dai->ops.hw_free(substream); + if (cpu_dai->ops.hw_free) + cpu_dai->ops.hw_free(substream); mutex_unlock(&pcm_mutex); return 0; @@ -1057,11 +584,14 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_platform *platform = socdev->platform; + struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai; + struct snd_soc_codec_dai *codec_dai = machine->codec_dai; int ret; - if (rtd->codec_dai->ops.trigger) { - ret = rtd->codec_dai->ops.trigger(substream, cmd); + if (codec_dai->ops.trigger) { + ret = codec_dai->ops.trigger(substream, cmd); if (ret < 0) return ret; } @@ -1072,8 +602,8 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return ret; } - if (rtd->cpu_dai->ops.trigger) { - ret = rtd->cpu_dai->ops.trigger(substream, cmd); + if (cpu_dai->ops.trigger) { + ret = cpu_dai->ops.trigger(substream, cmd); if (ret < 0) return ret; } @@ -1104,8 +634,8 @@ static int soc_suspend(struct platform_device *pdev, pm_message_t state) /* mute any active DAC's */ for(i = 0; i < machine->num_links; i++) { struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai; - if (dai->digital_mute && dai->playback.active) - dai->digital_mute(codec, dai, 1); + if (dai->dai_ops.digital_mute && dai->playback.active) + dai->dai_ops.digital_mute(dai, 1); } if (machine->suspend_pre) @@ -1185,8 +715,8 @@ static int soc_resume(struct platform_device *pdev) /* unmute any active DAC's */ for(i = 0; i < machine->num_links; i++) { struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai; - if (dai->digital_mute && dai->playback.active) - dai->digital_mute(codec, dai, 0); + if (dai->dai_ops.digital_mute && dai->playback.active) + dai->dai_ops.digital_mute(dai, 0); } for(i = 0; i < machine->num_links; i++) { @@ -1320,9 +850,10 @@ static int soc_new_pcm(struct snd_soc_device *socdev, rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL); if (rtd == NULL) return -ENOMEM; - rtd->cpu_dai = cpu_dai; - rtd->codec_dai = codec_dai; + + rtd->dai = dai_link; rtd->socdev = socdev; + codec_dai->codec = socdev->codec; /* check client and interface hw capabilities */ sprintf(new_name, "%s %s-%s-%d",dai_link->stream_name, codec_dai->name, @@ -1499,22 +1030,6 @@ int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, EXPORT_SYMBOL_GPL(snd_soc_test_bits); /** - * snd_soc_get_rate - get int sample rate - * @hwpcmrate: the hardware pcm rate - * - * Returns the audio rate integaer value, else 0. - */ -int snd_soc_get_rate(int hwpcmrate) -{ - int rate = ffs(hwpcmrate) - 1; - - if (rate > ARRAY_SIZE(rates)) - return 0; - return rates[rate]; -} -EXPORT_SYMBOL_GPL(snd_soc_get_rate); - -/** * snd_soc_new_pcms - create new sound card and pcms * @socdev: the SoC audio device * |
