diff options
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
| -rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 181 |
1 files changed, 127 insertions, 54 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 35310e1..0a063a9 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -59,12 +59,7 @@ static struct omap_mcbsp_data mcbsp_data[NUM_LINKS]; * Stream DMA parameters. DMA request line and port address are set runtime * since they are different between OMAP1 and later OMAPs */ -static struct omap_pcm_dma_data omap_mcbsp_dai_dma_params[NUM_LINKS][2] = { -{ - { .name = "I2S PCM Stereo out", }, - { .name = "I2S PCM Stereo in", }, -}, -}; +static struct omap_pcm_dma_data omap_mcbsp_dai_dma_params[NUM_LINKS][2]; #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) static const int omap1_dma_reqs[][2] = { @@ -84,11 +79,22 @@ static const unsigned long omap1_mcbsp_port[][2] = { static const int omap1_dma_reqs[][2] = {}; static const unsigned long omap1_mcbsp_port[][2] = {}; #endif -#if defined(CONFIG_ARCH_OMAP2420) -static const int omap2420_dma_reqs[][2] = { + +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) +static const int omap24xx_dma_reqs[][2] = { { OMAP24XX_DMA_MCBSP1_TX, OMAP24XX_DMA_MCBSP1_RX }, { OMAP24XX_DMA_MCBSP2_TX, OMAP24XX_DMA_MCBSP2_RX }, +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) + { OMAP24XX_DMA_MCBSP3_TX, OMAP24XX_DMA_MCBSP3_RX }, + { OMAP24XX_DMA_MCBSP4_TX, OMAP24XX_DMA_MCBSP4_RX }, + { OMAP24XX_DMA_MCBSP5_TX, OMAP24XX_DMA_MCBSP5_RX }, +#endif }; +#else +static const int omap24xx_dma_reqs[][2] = {}; +#endif + +#if defined(CONFIG_ARCH_OMAP2420) static const unsigned long omap2420_mcbsp_port[][2] = { { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1, OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1 }, @@ -96,10 +102,43 @@ static const unsigned long omap2420_mcbsp_port[][2] = { OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1 }, }; #else -static const int omap2420_dma_reqs[][2] = {}; static const unsigned long omap2420_mcbsp_port[][2] = {}; #endif +#if defined(CONFIG_ARCH_OMAP2430) +static const unsigned long omap2430_mcbsp_port[][2] = { + { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR, + OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR, + OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DRR }, +}; +#else +static const unsigned long omap2430_mcbsp_port[][2] = {}; +#endif + +#if defined(CONFIG_ARCH_OMAP34XX) +static const unsigned long omap34xx_mcbsp_port[][2] = { + { OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DRR }, +}; +#else +static const unsigned long omap34xx_mcbsp_port[][2] = {}; +#endif + static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -167,14 +206,19 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, dma = omap1_dma_reqs[bus_id][substream->stream]; port = omap1_mcbsp_port[bus_id][substream->stream]; } else if (cpu_is_omap2420()) { - dma = omap2420_dma_reqs[bus_id][substream->stream]; + dma = omap24xx_dma_reqs[bus_id][substream->stream]; port = omap2420_mcbsp_port[bus_id][substream->stream]; + } else if (cpu_is_omap2430()) { + dma = omap24xx_dma_reqs[bus_id][substream->stream]; + port = omap2430_mcbsp_port[bus_id][substream->stream]; + } else if (cpu_is_omap343x()) { + dma = omap24xx_dma_reqs[bus_id][substream->stream]; + port = omap34xx_mcbsp_port[bus_id][substream->stream]; } else { - /* - * TODO: Add support for 2430 and 3430 - */ return -ENODEV; } + omap_mcbsp_dai_dma_params[id][substream->stream].name = + substream->stream ? "Audio Capture" : "Audio Playback"; omap_mcbsp_dai_dma_params[id][substream->stream].dma_req = dma; omap_mcbsp_dai_dma_params[id][substream->stream].port_addr = port; cpu_dai->dma_data = &omap_mcbsp_dai_dma_params[id][substream->stream]; @@ -245,6 +289,11 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, regs->rcr2 |= RDATDLY(1); regs->xcr2 |= XDATDLY(1); break; + case SND_SOC_DAIFMT_DSP_A: + /* 0-bit data delay */ + regs->rcr2 |= RDATDLY(0); + regs->xcr2 |= XDATDLY(0); + break; default: /* Unsupported data format */ return -EINVAL; @@ -310,7 +359,7 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, int clk_id) { int sel_bit; - u16 reg; + u16 reg, reg_devconf1 = OMAP243X_CONTROL_DEVCONF1; if (cpu_class_is_omap1()) { /* OMAP1's can use only external source clock */ @@ -320,6 +369,12 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, 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; @@ -329,20 +384,26 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, reg = OMAP2_CONTROL_DEVCONF0; sel_bit = 6; break; - /* TODO: Support for ports 3 - 5 in OMAP2430 and OMAP34xx */ + 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 (cpu_class_is_omap2()) { - 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); - } - } + 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; } @@ -376,37 +437,49 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, return err; } -struct snd_soc_dai omap_mcbsp_dai[NUM_LINKS] = { -{ - .name = "omap-mcbsp-dai", - .id = 0, - .type = SND_SOC_DAI_I2S, - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = OMAP_MCBSP_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = OMAP_MCBSP_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .ops = { - .startup = omap_mcbsp_dai_startup, - .shutdown = omap_mcbsp_dai_shutdown, - .trigger = omap_mcbsp_dai_trigger, - .hw_params = omap_mcbsp_dai_hw_params, - }, - .dai_ops = { - .set_fmt = omap_mcbsp_dai_set_dai_fmt, - .set_clkdiv = omap_mcbsp_dai_set_clkdiv, - .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, - }, - .private_data = &mcbsp_data[0].bus_id, -}, +#define OMAP_MCBSP_DAI_BUILDER(link_id) \ +{ \ + .name = "omap-mcbsp-dai-(link_id)", \ + .id = (link_id), \ + .type = SND_SOC_DAI_I2S, \ + .playback = { \ + .channels_min = 2, \ + .channels_max = 2, \ + .rates = OMAP_MCBSP_RATES, \ + .formats = SNDRV_PCM_FMTBIT_S16_LE, \ + }, \ + .capture = { \ + .channels_min = 2, \ + .channels_max = 2, \ + .rates = OMAP_MCBSP_RATES, \ + .formats = SNDRV_PCM_FMTBIT_S16_LE, \ + }, \ + .ops = { \ + .startup = omap_mcbsp_dai_startup, \ + .shutdown = omap_mcbsp_dai_shutdown, \ + .trigger = omap_mcbsp_dai_trigger, \ + .hw_params = omap_mcbsp_dai_hw_params, \ + }, \ + .dai_ops = { \ + .set_fmt = omap_mcbsp_dai_set_dai_fmt, \ + .set_clkdiv = omap_mcbsp_dai_set_clkdiv, \ + .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, \ + }, \ + .private_data = &mcbsp_data[(link_id)].bus_id, \ +} + +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 }; + EXPORT_SYMBOL_GPL(omap_mcbsp_dai); MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>"); |
