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Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 7e84f24b9a8..d203f4da18a 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -102,6 +102,17 @@ static const int omap24xx_dma_reqs[][2] = {
102static const int omap24xx_dma_reqs[][2] = {}; 102static const int omap24xx_dma_reqs[][2] = {};
103#endif 103#endif
104 104
105#if defined(CONFIG_ARCH_OMAP4)
106static const int omap44xx_dma_reqs[][2] = {
107 { OMAP44XX_DMA_MCBSP1_TX, OMAP44XX_DMA_MCBSP1_RX },
108 { OMAP44XX_DMA_MCBSP2_TX, OMAP44XX_DMA_MCBSP2_RX },
109 { OMAP44XX_DMA_MCBSP3_TX, OMAP44XX_DMA_MCBSP3_RX },
110 { OMAP44XX_DMA_MCBSP4_TX, OMAP44XX_DMA_MCBSP4_RX },
111};
112#else
113static const int omap44xx_dma_reqs[][2] = {};
114#endif
115
105#if defined(CONFIG_ARCH_OMAP2420) 116#if defined(CONFIG_ARCH_OMAP2420)
106static const unsigned long omap2420_mcbsp_port[][2] = { 117static const unsigned long omap2420_mcbsp_port[][2] = {
107 { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1, 118 { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1,
@@ -147,6 +158,21 @@ static const unsigned long omap34xx_mcbsp_port[][2] = {
147static const unsigned long omap34xx_mcbsp_port[][2] = {}; 158static const unsigned long omap34xx_mcbsp_port[][2] = {};
148#endif 159#endif
149 160
161#if defined(CONFIG_ARCH_OMAP4)
162static const unsigned long omap44xx_mcbsp_port[][2] = {
163 { OMAP44XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR,
164 OMAP44XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR },
165 { OMAP44XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR,
166 OMAP44XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR },
167 { OMAP44XX_MCBSP3_BASE + OMAP_MCBSP_REG_DXR,
168 OMAP44XX_MCBSP3_BASE + OMAP_MCBSP_REG_DRR },
169 { OMAP44XX_MCBSP4_BASE + OMAP_MCBSP_REG_DXR,
170 OMAP44XX_MCBSP4_BASE + OMAP_MCBSP_REG_DRR },
171};
172#else
173static const unsigned long omap44xx_mcbsp_port[][2] = {};
174#endif
175
150static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream) 176static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream)
151{ 177{
152 struct snd_soc_pcm_runtime *rtd = substream->private_data; 178 struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -224,7 +250,7 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
224 * 2 channels (stereo): size is 128 / 2 = 64 frames (2 * 64 words) 250 * 2 channels (stereo): size is 128 / 2 = 64 frames (2 * 64 words)
225 * 4 channels: size is 128 / 4 = 32 frames (4 * 32 words) 251 * 4 channels: size is 128 / 4 = 32 frames (4 * 32 words)
226 */ 252 */
227 if (cpu_is_omap343x()) { 253 if (cpu_is_omap343x() || cpu_is_omap44xx()) {
228 /* 254 /*
229 * Rule for the buffer size. We should not allow 255 * Rule for the buffer size. We should not allow
230 * smaller buffer than the FIFO size to avoid underruns 256 * smaller buffer than the FIFO size to avoid underruns
@@ -332,6 +358,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
332 } else if (cpu_is_omap343x()) { 358 } else if (cpu_is_omap343x()) {
333 dma = omap24xx_dma_reqs[bus_id][substream->stream]; 359 dma = omap24xx_dma_reqs[bus_id][substream->stream];
334 port = omap34xx_mcbsp_port[bus_id][substream->stream]; 360 port = omap34xx_mcbsp_port[bus_id][substream->stream];
361 } else if (cpu_is_omap44xx()) {
362 dma = omap44xx_dma_reqs[bus_id][substream->stream];
363 port = omap44xx_mcbsp_port[bus_id][substream->stream];
335 } else { 364 } else {
336 return -ENODEV; 365 return -ENODEV;
337 } 366 }
@@ -498,11 +527,11 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
498 regs->spcr2 |= XINTM(3) | FREE; 527 regs->spcr2 |= XINTM(3) | FREE;
499 regs->spcr1 |= RINTM(3); 528 regs->spcr1 |= RINTM(3);
500 /* RFIG and XFIG are not defined in 34xx */ 529 /* RFIG and XFIG are not defined in 34xx */
501 if (!cpu_is_omap34xx()) { 530 if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) {
502 regs->rcr2 |= RFIG; 531 regs->rcr2 |= RFIG;
503 regs->xcr2 |= XFIG; 532 regs->xcr2 |= XFIG;
504 } 533 }
505 if (cpu_is_omap2430() || cpu_is_omap34xx()) { 534 if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
506 regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE; 535 regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE;
507 regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE; 536 regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE;
508 } 537 }