diff options
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 252 |
1 files changed, 99 insertions, 153 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 86f213905e2c..7e84f24b9a88 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -31,7 +31,6 @@ #include <sound/initval.h> #include <sound/soc.h> -#include <plat/control.h> #include <plat/dma.h> #include <plat/mcbsp.h> #include "omap-mcbsp.h" @@ -62,8 +61,6 @@ struct omap_mcbsp_data { int wlen; }; -#define to_mcbsp(priv) container_of((priv), struct omap_mcbsp_data, bus_id) - static struct omap_mcbsp_data mcbsp_data[NUM_LINKS]; /* @@ -153,13 +150,13 @@ static const unsigned long omap34xx_mcbsp_port[][2] = {}; static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); struct omap_pcm_dma_data *dma_data; int dma_op_mode = omap_mcbsp_get_dma_op_mode(mcbsp_data->bus_id); int words; - dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); + dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) @@ -203,11 +200,9 @@ static int omap_mcbsp_hwrule_min_buffersize(struct snd_pcm_hw_params *params, } static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); int bus_id = mcbsp_data->bus_id; int err = 0; @@ -249,11 +244,9 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, } static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); if (!cpu_dai->active) { omap_mcbsp_free(mcbsp_data->bus_id); @@ -262,11 +255,9 @@ static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream, } static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); int err = 0, play = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); switch (cmd) { @@ -295,8 +286,8 @@ static snd_pcm_sframes_t omap_mcbsp_dai_delay( struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); u16 fifo_use; snd_pcm_sframes_t delay; @@ -317,11 +308,9 @@ static snd_pcm_sframes_t omap_mcbsp_dai_delay( static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) + struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; struct omap_pcm_dma_data *dma_data; int dma, bus_id = mcbsp_data->bus_id; @@ -496,7 +485,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; unsigned int temp_fmt = fmt; @@ -596,7 +585,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai, int div_id, int div) { - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; if (div_id != OMAP_MCBSP_CLKGDV) @@ -608,101 +597,22 @@ static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai, return 0; } -static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, - int clk_id) -{ - int sel_bit; - u16 reg, reg_devconf1 = OMAP243X_CONTROL_DEVCONF1; - - if (cpu_class_is_omap1()) { - /* OMAP1's can use only external source clock */ - if (unlikely(clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK)) - return -EINVAL; - else - return 0; - } - - if (cpu_is_omap2420() && mcbsp_data->bus_id > 1) - return -EINVAL; - - if (cpu_is_omap343x()) - reg_devconf1 = OMAP343X_CONTROL_DEVCONF1; - - switch (mcbsp_data->bus_id) { - case 0: - reg = OMAP2_CONTROL_DEVCONF0; - sel_bit = 2; - break; - case 1: - reg = OMAP2_CONTROL_DEVCONF0; - sel_bit = 6; - break; - case 2: - reg = reg_devconf1; - sel_bit = 0; - break; - case 3: - reg = reg_devconf1; - sel_bit = 2; - break; - case 4: - reg = reg_devconf1; - sel_bit = 4; - break; - default: - return -EINVAL; - } - - if (clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK) - omap_ctrl_writel(omap_ctrl_readl(reg) & ~(1 << sel_bit), reg); - else - omap_ctrl_writel(omap_ctrl_readl(reg) | (1 << sel_bit), reg); - - return 0; -} - -static int omap_mcbsp_dai_set_rcvr_src(struct omap_mcbsp_data *mcbsp_data, - int clk_id) -{ - int sel_bit, set = 0; - u16 reg = OMAP2_CONTROL_DEVCONF0; - - if (cpu_class_is_omap1()) - return -EINVAL; /* TODO: Can this be implemented for OMAP1? */ - if (mcbsp_data->bus_id != 0) - return -EINVAL; - - switch (clk_id) { - case OMAP_MCBSP_CLKR_SRC_CLKX: - set = 1; - case OMAP_MCBSP_CLKR_SRC_CLKR: - sel_bit = 3; - break; - case OMAP_MCBSP_FSR_SRC_FSX: - set = 1; - case OMAP_MCBSP_FSR_SRC_FSR: - sel_bit = 4; - break; - default: - return -EINVAL; - } - - if (set) - omap_ctrl_writel(omap_ctrl_readl(reg) | (1 << sel_bit), reg); - else - omap_ctrl_writel(omap_ctrl_readl(reg) & ~(1 << sel_bit), reg); - - return 0; -} - static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { - struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; int err = 0; + /* The McBSP signal muxing functions are only available on McBSP1 */ + if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR || + clk_id == OMAP_MCBSP_CLKR_SRC_CLKX || + clk_id == OMAP_MCBSP_FSR_SRC_FSR || + clk_id == OMAP_MCBSP_FSR_SRC_FSX) + if (cpu_class_is_omap1() || mcbsp_data->bus_id != 0) + return -EINVAL; + mcbsp_data->in_freq = freq; switch (clk_id) { @@ -710,8 +620,20 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, regs->srgr2 |= CLKSM; break; case OMAP_MCBSP_SYSCLK_CLKS_FCLK: + if (cpu_class_is_omap1()) { + err = -EINVAL; + break; + } + err = omap2_mcbsp_set_clks_src(mcbsp_data->bus_id, + MCBSP_CLKS_PRCM_SRC); + break; case OMAP_MCBSP_SYSCLK_CLKS_EXT: - err = omap_mcbsp_dai_set_clks_src(mcbsp_data, clk_id); + if (cpu_class_is_omap1()) { + err = 0; + break; + } + err = omap2_mcbsp_set_clks_src(mcbsp_data->bus_id, + MCBSP_CLKS_PAD_SRC); break; case OMAP_MCBSP_SYSCLK_CLKX_EXT: @@ -720,11 +642,26 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, regs->pcr0 |= SCLKME; break; + case OMAP_MCBSP_CLKR_SRC_CLKR: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_clkr_src(CLKR_SRC_CLKR); + break; case OMAP_MCBSP_CLKR_SRC_CLKX: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_clkr_src(CLKR_SRC_CLKX); + break; case OMAP_MCBSP_FSR_SRC_FSR: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_fsr_src(FSR_SRC_FSR); + break; case OMAP_MCBSP_FSR_SRC_FSX: - err = omap_mcbsp_dai_set_rcvr_src(mcbsp_data, clk_id); + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_fsr_src(FSR_SRC_FSX); break; default: err = -ENODEV; @@ -733,7 +670,7 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, return err; } -static struct snd_soc_dai_ops omap_mcbsp_dai_ops = { +static struct snd_soc_dai_ops mcbsp_dai_ops = { .startup = omap_mcbsp_dai_startup, .shutdown = omap_mcbsp_dai_shutdown, .trigger = omap_mcbsp_dai_trigger, @@ -744,43 +681,32 @@ static struct snd_soc_dai_ops omap_mcbsp_dai_ops = { .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, }; -#define OMAP_MCBSP_DAI_BUILDER(link_id) \ -{ \ - .name = "omap-mcbsp-dai-"#link_id, \ - .id = (link_id), \ - .playback = { \ - .channels_min = 1, \ - .channels_max = 16, \ - .rates = OMAP_MCBSP_RATES, \ - .formats = SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S32_LE, \ - }, \ - .capture = { \ - .channels_min = 1, \ - .channels_max = 16, \ - .rates = OMAP_MCBSP_RATES, \ - .formats = SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S32_LE, \ - }, \ - .ops = &omap_mcbsp_dai_ops, \ - .private_data = &mcbsp_data[(link_id)].bus_id, \ +static int mcbsp_dai_probe(struct snd_soc_dai *dai) +{ + mcbsp_data[dai->id].bus_id = dai->id; + snd_soc_dai_set_drvdata(dai, &mcbsp_data[dai->id].bus_id); + return 0; } -struct snd_soc_dai omap_mcbsp_dai[] = { - OMAP_MCBSP_DAI_BUILDER(0), - OMAP_MCBSP_DAI_BUILDER(1), -#if NUM_LINKS >= 3 - OMAP_MCBSP_DAI_BUILDER(2), -#endif -#if NUM_LINKS == 5 - OMAP_MCBSP_DAI_BUILDER(3), - OMAP_MCBSP_DAI_BUILDER(4), -#endif +static struct snd_soc_dai_driver omap_mcbsp_dai = +{ + .probe = mcbsp_dai_probe, + .playback = { + .channels_min = 1, + .channels_max = 16, + .rates = OMAP_MCBSP_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + }, + .capture = { + .channels_min = 1, + .channels_max = 16, + .rates = OMAP_MCBSP_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + }, + .ops = &mcbsp_dai_ops, }; -EXPORT_SYMBOL_GPL(omap_mcbsp_dai); - -int omap_mcbsp_st_info_volsw(struct snd_kcontrol *kcontrol, +static int omap_mcbsp_st_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct soc_mixer_control *mc = @@ -910,16 +836,36 @@ int omap_mcbsp_st_add_controls(struct snd_soc_codec *codec, int mcbsp_id) } EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls); +static __devinit int asoc_mcbsp_probe(struct platform_device *pdev) +{ + return snd_soc_register_dai(&pdev->dev, &omap_mcbsp_dai); +} + +static int __devexit asoc_mcbsp_remove(struct platform_device *pdev) +{ + snd_soc_unregister_dai(&pdev->dev); + return 0; +} + +static struct platform_driver asoc_mcbsp_driver = { + .driver = { + .name = "omap-mcbsp-dai", + .owner = THIS_MODULE, + }, + + .probe = asoc_mcbsp_probe, + .remove = __devexit_p(asoc_mcbsp_remove), +}; + static int __init snd_omap_mcbsp_init(void) { - return snd_soc_register_dais(omap_mcbsp_dai, - ARRAY_SIZE(omap_mcbsp_dai)); + return platform_driver_register(&asoc_mcbsp_driver); } module_init(snd_omap_mcbsp_init); static void __exit snd_omap_mcbsp_exit(void) { - snd_soc_unregister_dais(omap_mcbsp_dai, ARRAY_SIZE(omap_mcbsp_dai)); + platform_driver_unregister(&asoc_mcbsp_driver); } module_exit(snd_omap_mcbsp_exit); |