struct omap_mcbsp_data {
unsigned int bus_id;
struct omap_mcbsp_reg_cfg regs;
+ unsigned int fmt;
/*
* Flags indicating is the bus already activated and configured by
* another substream
* 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] = {
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 },
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;
struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id;
+ int wlen;
unsigned long port;
if (cpu_class_is_omap1()) {
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];
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
/* Set word lengths */
+ wlen = 16;
regs->rcr2 |= RWDLEN2(OMAP_MCBSP_WORD_16);
regs->rcr1 |= RWDLEN1(OMAP_MCBSP_WORD_16);
regs->xcr2 |= XWDLEN2(OMAP_MCBSP_WORD_16);
regs->xcr1 |= XWDLEN1(OMAP_MCBSP_WORD_16);
- /* Set FS period and length in terms of bit clock periods */
- regs->srgr2 |= FPER(16 * 2 - 1);
- regs->srgr1 |= FWID(16 - 1);
break;
default:
/* Unsupported PCM format */
return -EINVAL;
}
+ /* Set FS period and length in terms of bit clock periods */
+ switch (mcbsp_data->fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ regs->srgr2 |= FPER(wlen * 2 - 1);
+ regs->srgr1 |= FWID(wlen - 1);
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ regs->srgr2 |= FPER(wlen * 2 - 1);
+ regs->srgr1 |= FWID(wlen * 2 - 2);
+ break;
+ }
+
omap_mcbsp_config(bus_id, &mcbsp_data->regs);
mcbsp_data->configured = 1;
if (mcbsp_data->configured)
return 0;
+ mcbsp_data->fmt = fmt;
memset(regs, 0, sizeof(*regs));
/* Generic McBSP register settings */
regs->spcr2 |= XINTM(3) | FREE;
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 */
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;
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;
}
projects / linux-2.6-omap-h63xx.git / blobdiff