diff options
Diffstat (limited to 'sound/soc/s3c24xx/s3c24xx-i2s.c')
-rw-r--r-- | sound/soc/s3c24xx/s3c24xx-i2s.c | 71 |
1 files changed, 33 insertions, 38 deletions
diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c index 6f4d439b57aa..cc066964dad6 100644 --- a/sound/soc/s3c24xx/s3c24xx-i2s.c +++ b/sound/soc/s3c24xx/s3c24xx-i2s.c | |||
@@ -4,7 +4,7 @@ | |||
4 | * (c) 2006 Wolfson Microelectronics PLC. | 4 | * (c) 2006 Wolfson Microelectronics PLC. |
5 | * Graeme Gregory graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com | 5 | * Graeme Gregory graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com |
6 | * | 6 | * |
7 | * (c) 2004-2005 Simtec Electronics | 7 | * Copyright 2004-2005 Simtec Electronics |
8 | * http://armlinux.simtec.co.uk/ | 8 | * http://armlinux.simtec.co.uk/ |
9 | * Ben Dooks <ben@simtec.co.uk> | 9 | * Ben Dooks <ben@simtec.co.uk> |
10 | * | 10 | * |
@@ -30,22 +30,15 @@ | |||
30 | #include <mach/hardware.h> | 30 | #include <mach/hardware.h> |
31 | #include <mach/regs-gpio.h> | 31 | #include <mach/regs-gpio.h> |
32 | #include <mach/regs-clock.h> | 32 | #include <mach/regs-clock.h> |
33 | #include <mach/audio.h> | 33 | #include <plat/audio.h> |
34 | #include <asm/dma.h> | 34 | #include <asm/dma.h> |
35 | #include <mach/dma.h> | 35 | #include <mach/dma.h> |
36 | 36 | ||
37 | #include <asm/plat-s3c24xx/regs-iis.h> | 37 | #include <plat/regs-iis.h> |
38 | 38 | ||
39 | #include "s3c24xx-pcm.h" | 39 | #include "s3c24xx-pcm.h" |
40 | #include "s3c24xx-i2s.h" | 40 | #include "s3c24xx-i2s.h" |
41 | 41 | ||
42 | #define S3C24XX_I2S_DEBUG 0 | ||
43 | #if S3C24XX_I2S_DEBUG | ||
44 | #define DBG(x...) printk(KERN_DEBUG "s3c24xx-i2s: " x) | ||
45 | #else | ||
46 | #define DBG(x...) | ||
47 | #endif | ||
48 | |||
49 | static struct s3c2410_dma_client s3c24xx_dma_client_out = { | 42 | static struct s3c2410_dma_client s3c24xx_dma_client_out = { |
50 | .name = "I2S PCM Stereo out" | 43 | .name = "I2S PCM Stereo out" |
51 | }; | 44 | }; |
@@ -84,13 +77,13 @@ static void s3c24xx_snd_txctrl(int on) | |||
84 | u32 iiscon; | 77 | u32 iiscon; |
85 | u32 iismod; | 78 | u32 iismod; |
86 | 79 | ||
87 | DBG("Entered %s\n", __func__); | 80 | pr_debug("Entered %s\n", __func__); |
88 | 81 | ||
89 | iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); | 82 | iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); |
90 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); | 83 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); |
91 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 84 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
92 | 85 | ||
93 | DBG("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); | 86 | pr_debug("r: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon); |
94 | 87 | ||
95 | if (on) { | 88 | if (on) { |
96 | iisfcon |= S3C2410_IISFCON_TXDMA | S3C2410_IISFCON_TXENABLE; | 89 | iisfcon |= S3C2410_IISFCON_TXDMA | S3C2410_IISFCON_TXENABLE; |
@@ -120,7 +113,7 @@ static void s3c24xx_snd_txctrl(int on) | |||
120 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); | 113 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); |
121 | } | 114 | } |
122 | 115 | ||
123 | DBG("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); | 116 | pr_debug("w: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon); |
124 | } | 117 | } |
125 | 118 | ||
126 | static void s3c24xx_snd_rxctrl(int on) | 119 | static void s3c24xx_snd_rxctrl(int on) |
@@ -129,13 +122,13 @@ static void s3c24xx_snd_rxctrl(int on) | |||
129 | u32 iiscon; | 122 | u32 iiscon; |
130 | u32 iismod; | 123 | u32 iismod; |
131 | 124 | ||
132 | DBG("Entered %s\n", __func__); | 125 | pr_debug("Entered %s\n", __func__); |
133 | 126 | ||
134 | iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); | 127 | iisfcon = readl(s3c24xx_i2s.regs + S3C2410_IISFCON); |
135 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); | 128 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); |
136 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 129 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
137 | 130 | ||
138 | DBG("r: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); | 131 | pr_debug("r: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon); |
139 | 132 | ||
140 | if (on) { | 133 | if (on) { |
141 | iisfcon |= S3C2410_IISFCON_RXDMA | S3C2410_IISFCON_RXENABLE; | 134 | iisfcon |= S3C2410_IISFCON_RXDMA | S3C2410_IISFCON_RXENABLE; |
@@ -165,7 +158,7 @@ static void s3c24xx_snd_rxctrl(int on) | |||
165 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); | 158 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); |
166 | } | 159 | } |
167 | 160 | ||
168 | DBG("w: IISCON: %lx IISMOD: %lx IISFCON: %lx\n", iiscon, iismod, iisfcon); | 161 | pr_debug("w: IISCON: %x IISMOD: %x IISFCON: %x\n", iiscon, iismod, iisfcon); |
169 | } | 162 | } |
170 | 163 | ||
171 | /* | 164 | /* |
@@ -177,7 +170,7 @@ static int s3c24xx_snd_lrsync(void) | |||
177 | u32 iiscon; | 170 | u32 iiscon; |
178 | int timeout = 50; /* 5ms */ | 171 | int timeout = 50; /* 5ms */ |
179 | 172 | ||
180 | DBG("Entered %s\n", __func__); | 173 | pr_debug("Entered %s\n", __func__); |
181 | 174 | ||
182 | while (1) { | 175 | while (1) { |
183 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); | 176 | iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); |
@@ -197,7 +190,7 @@ static int s3c24xx_snd_lrsync(void) | |||
197 | */ | 190 | */ |
198 | static inline int s3c24xx_snd_is_clkmaster(void) | 191 | static inline int s3c24xx_snd_is_clkmaster(void) |
199 | { | 192 | { |
200 | DBG("Entered %s\n", __func__); | 193 | pr_debug("Entered %s\n", __func__); |
201 | 194 | ||
202 | return (readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & S3C2410_IISMOD_SLAVE) ? 0:1; | 195 | return (readl(s3c24xx_i2s.regs + S3C2410_IISMOD) & S3C2410_IISMOD_SLAVE) ? 0:1; |
203 | } | 196 | } |
@@ -210,10 +203,10 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, | |||
210 | { | 203 | { |
211 | u32 iismod; | 204 | u32 iismod; |
212 | 205 | ||
213 | DBG("Entered %s\n", __func__); | 206 | pr_debug("Entered %s\n", __func__); |
214 | 207 | ||
215 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 208 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
216 | DBG("hw_params r: IISMOD: %lx \n", iismod); | 209 | pr_debug("hw_params r: IISMOD: %x \n", iismod); |
217 | 210 | ||
218 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | 211 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
219 | case SND_SOC_DAIFMT_CBM_CFM: | 212 | case SND_SOC_DAIFMT_CBM_CFM: |
@@ -238,7 +231,7 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai, | |||
238 | } | 231 | } |
239 | 232 | ||
240 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); | 233 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); |
241 | DBG("hw_params w: IISMOD: %lx \n", iismod); | 234 | pr_debug("hw_params w: IISMOD: %x \n", iismod); |
242 | return 0; | 235 | return 0; |
243 | } | 236 | } |
244 | 237 | ||
@@ -249,7 +242,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, | |||
249 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | 242 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
250 | u32 iismod; | 243 | u32 iismod; |
251 | 244 | ||
252 | DBG("Entered %s\n", __func__); | 245 | pr_debug("Entered %s\n", __func__); |
253 | 246 | ||
254 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | 247 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
255 | rtd->dai->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_out; | 248 | rtd->dai->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_out; |
@@ -258,7 +251,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, | |||
258 | 251 | ||
259 | /* Working copies of register */ | 252 | /* Working copies of register */ |
260 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 253 | iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
261 | DBG("hw_params r: IISMOD: %lx\n", iismod); | 254 | pr_debug("hw_params r: IISMOD: %x\n", iismod); |
262 | 255 | ||
263 | switch (params_format(params)) { | 256 | switch (params_format(params)) { |
264 | case SNDRV_PCM_FORMAT_S8: | 257 | case SNDRV_PCM_FORMAT_S8: |
@@ -276,7 +269,7 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream, | |||
276 | } | 269 | } |
277 | 270 | ||
278 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); | 271 | writel(iismod, s3c24xx_i2s.regs + S3C2410_IISMOD); |
279 | DBG("hw_params w: IISMOD: %lx\n", iismod); | 272 | pr_debug("hw_params w: IISMOD: %x\n", iismod); |
280 | return 0; | 273 | return 0; |
281 | } | 274 | } |
282 | 275 | ||
@@ -285,7 +278,7 @@ static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, | |||
285 | { | 278 | { |
286 | int ret = 0; | 279 | int ret = 0; |
287 | 280 | ||
288 | DBG("Entered %s\n", __func__); | 281 | pr_debug("Entered %s\n", __func__); |
289 | 282 | ||
290 | switch (cmd) { | 283 | switch (cmd) { |
291 | case SNDRV_PCM_TRIGGER_START: | 284 | case SNDRV_PCM_TRIGGER_START: |
@@ -327,7 +320,7 @@ static int s3c24xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, | |||
327 | { | 320 | { |
328 | u32 iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 321 | u32 iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
329 | 322 | ||
330 | DBG("Entered %s\n", __func__); | 323 | pr_debug("Entered %s\n", __func__); |
331 | 324 | ||
332 | iismod &= ~S3C2440_IISMOD_MPLL; | 325 | iismod &= ~S3C2440_IISMOD_MPLL; |
333 | 326 | ||
@@ -353,7 +346,7 @@ static int s3c24xx_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai, | |||
353 | { | 346 | { |
354 | u32 reg; | 347 | u32 reg; |
355 | 348 | ||
356 | DBG("Entered %s\n", __func__); | 349 | pr_debug("Entered %s\n", __func__); |
357 | 350 | ||
358 | switch (div_id) { | 351 | switch (div_id) { |
359 | case S3C24XX_DIV_BCLK: | 352 | case S3C24XX_DIV_BCLK: |
@@ -389,7 +382,7 @@ EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate); | |||
389 | static int s3c24xx_i2s_probe(struct platform_device *pdev, | 382 | static int s3c24xx_i2s_probe(struct platform_device *pdev, |
390 | struct snd_soc_dai *dai) | 383 | struct snd_soc_dai *dai) |
391 | { | 384 | { |
392 | DBG("Entered %s\n", __func__); | 385 | pr_debug("Entered %s\n", __func__); |
393 | 386 | ||
394 | s3c24xx_i2s.regs = ioremap(S3C2410_PA_IIS, 0x100); | 387 | s3c24xx_i2s.regs = ioremap(S3C2410_PA_IIS, 0x100); |
395 | if (s3c24xx_i2s.regs == NULL) | 388 | if (s3c24xx_i2s.regs == NULL) |
@@ -397,7 +390,7 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev, | |||
397 | 390 | ||
398 | s3c24xx_i2s.iis_clk = clk_get(&pdev->dev, "iis"); | 391 | s3c24xx_i2s.iis_clk = clk_get(&pdev->dev, "iis"); |
399 | if (s3c24xx_i2s.iis_clk == NULL) { | 392 | if (s3c24xx_i2s.iis_clk == NULL) { |
400 | DBG("failed to get iis_clock\n"); | 393 | pr_err("failed to get iis_clock\n"); |
401 | iounmap(s3c24xx_i2s.regs); | 394 | iounmap(s3c24xx_i2s.regs); |
402 | return -ENODEV; | 395 | return -ENODEV; |
403 | } | 396 | } |
@@ -421,7 +414,7 @@ static int s3c24xx_i2s_probe(struct platform_device *pdev, | |||
421 | #ifdef CONFIG_PM | 414 | #ifdef CONFIG_PM |
422 | static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) | 415 | static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) |
423 | { | 416 | { |
424 | DBG("Entered %s\n", __func__); | 417 | pr_debug("Entered %s\n", __func__); |
425 | 418 | ||
426 | s3c24xx_i2s.iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); | 419 | s3c24xx_i2s.iiscon = readl(s3c24xx_i2s.regs + S3C2410_IISCON); |
427 | s3c24xx_i2s.iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); | 420 | s3c24xx_i2s.iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD); |
@@ -435,7 +428,7 @@ static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai) | |||
435 | 428 | ||
436 | static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai) | 429 | static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai) |
437 | { | 430 | { |
438 | DBG("Entered %s\n", __func__); | 431 | pr_debug("Entered %s\n", __func__); |
439 | clk_enable(s3c24xx_i2s.iis_clk); | 432 | clk_enable(s3c24xx_i2s.iis_clk); |
440 | 433 | ||
441 | writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON); | 434 | writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON); |
@@ -456,6 +449,14 @@ static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai) | |||
456 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ | 449 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ |
457 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | 450 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) |
458 | 451 | ||
452 | static struct snd_soc_dai_ops s3c24xx_i2s_dai_ops = { | ||
453 | .trigger = s3c24xx_i2s_trigger, | ||
454 | .hw_params = s3c24xx_i2s_hw_params, | ||
455 | .set_fmt = s3c24xx_i2s_set_fmt, | ||
456 | .set_clkdiv = s3c24xx_i2s_set_clkdiv, | ||
457 | .set_sysclk = s3c24xx_i2s_set_sysclk, | ||
458 | }; | ||
459 | |||
459 | struct snd_soc_dai s3c24xx_i2s_dai = { | 460 | struct snd_soc_dai s3c24xx_i2s_dai = { |
460 | .name = "s3c24xx-i2s", | 461 | .name = "s3c24xx-i2s", |
461 | .id = 0, | 462 | .id = 0, |
@@ -472,13 +473,7 @@ struct snd_soc_dai s3c24xx_i2s_dai = { | |||
472 | .channels_max = 2, | 473 | .channels_max = 2, |
473 | .rates = S3C24XX_I2S_RATES, | 474 | .rates = S3C24XX_I2S_RATES, |
474 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE,}, | 475 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE,}, |
475 | .ops = { | 476 | .ops = &s3c24xx_i2s_dai_ops, |
476 | .trigger = s3c24xx_i2s_trigger, | ||
477 | .hw_params = s3c24xx_i2s_hw_params, | ||
478 | .set_fmt = s3c24xx_i2s_set_fmt, | ||
479 | .set_clkdiv = s3c24xx_i2s_set_clkdiv, | ||
480 | .set_sysclk = s3c24xx_i2s_set_sysclk, | ||
481 | }, | ||
482 | }; | 477 | }; |
483 | EXPORT_SYMBOL_GPL(s3c24xx_i2s_dai); | 478 | EXPORT_SYMBOL_GPL(s3c24xx_i2s_dai); |
484 | 479 | ||