Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip. |
| 3 | * |
| 4 | * Author: Nicolas Pitre |
| 5 | * Created: Dec 02, 2004 |
| 6 | * Copyright: MontaVista Software Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/wait.h> |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 18 | #include <linux/clk.h> |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 19 | #include <linux/delay.h> |
| 20 | |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 21 | #include <sound/core.h> |
| 22 | #include <sound/pcm.h> |
| 23 | #include <sound/ac97_codec.h> |
| 24 | #include <sound/initval.h> |
| 25 | #include <sound/soc.h> |
| 26 | |
| 27 | #include <asm/irq.h> |
| 28 | #include <linux/mutex.h> |
| 29 | #include <asm/hardware.h> |
| 30 | #include <asm/arch/pxa-regs.h> |
eric miao | a683b14 | 2008-03-03 09:44:25 +0800 | [diff] [blame] | 31 | #include <asm/arch/pxa2xx-gpio.h> |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 32 | #include <asm/arch/audio.h> |
| 33 | |
| 34 | #include "pxa2xx-pcm.h" |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 35 | #include "pxa2xx-ac97.h" |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 36 | |
| 37 | static DEFINE_MUTEX(car_mutex); |
| 38 | static DECLARE_WAIT_QUEUE_HEAD(gsr_wq); |
| 39 | static volatile long gsr_bits; |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 40 | static struct clk *ac97_clk; |
| 41 | #ifdef CONFIG_PXA27x |
| 42 | static struct clk *ac97conf_clk; |
| 43 | #endif |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 44 | |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 45 | /* |
| 46 | * Beware PXA27x bugs: |
| 47 | * |
| 48 | * o Slot 12 read from modem space will hang controller. |
| 49 | * o CDONE, SDONE interrupt fails after any slot 12 IO. |
| 50 | * |
| 51 | * We therefore have an hybrid approach for waiting on SDONE (interrupt or |
| 52 | * 1 jiffy timeout if interrupt never comes). |
| 53 | */ |
| 54 | |
| 55 | static unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, |
| 56 | unsigned short reg) |
| 57 | { |
| 58 | unsigned short val = -1; |
| 59 | volatile u32 *reg_addr; |
| 60 | |
| 61 | mutex_lock(&car_mutex); |
| 62 | |
| 63 | /* set up primary or secondary codec/modem space */ |
| 64 | #ifdef CONFIG_PXA27x |
| 65 | reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; |
| 66 | #else |
| 67 | if (reg == AC97_GPIO_STATUS) |
| 68 | reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE; |
| 69 | else |
| 70 | reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; |
| 71 | #endif |
| 72 | reg_addr += (reg >> 1); |
| 73 | |
| 74 | #ifndef CONFIG_PXA27x |
| 75 | if (reg == AC97_GPIO_STATUS) { |
| 76 | /* read from controller cache */ |
| 77 | val = *reg_addr; |
| 78 | goto out; |
| 79 | } |
| 80 | #endif |
| 81 | |
| 82 | /* start read access across the ac97 link */ |
| 83 | GSR = GSR_CDONE | GSR_SDONE; |
| 84 | gsr_bits = 0; |
| 85 | val = *reg_addr; |
| 86 | |
| 87 | wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1); |
| 88 | if (!((GSR | gsr_bits) & GSR_SDONE)) { |
| 89 | printk(KERN_ERR "%s: read error (ac97_reg=%x GSR=%#lx)\n", |
Harvey Harrison | 9bf8e7d | 2008-03-03 15:32:18 -0800 | [diff] [blame^] | 90 | __func__, reg, GSR | gsr_bits); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 91 | val = -1; |
| 92 | goto out; |
| 93 | } |
| 94 | |
| 95 | /* valid data now */ |
| 96 | GSR = GSR_CDONE | GSR_SDONE; |
| 97 | gsr_bits = 0; |
| 98 | val = *reg_addr; |
| 99 | /* but we've just started another cycle... */ |
| 100 | wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1); |
| 101 | |
| 102 | out: mutex_unlock(&car_mutex); |
| 103 | return val; |
| 104 | } |
| 105 | |
| 106 | static void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, |
| 107 | unsigned short val) |
| 108 | { |
| 109 | volatile u32 *reg_addr; |
| 110 | |
| 111 | mutex_lock(&car_mutex); |
| 112 | |
| 113 | /* set up primary or secondary codec/modem space */ |
| 114 | #ifdef CONFIG_PXA27x |
| 115 | reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; |
| 116 | #else |
| 117 | if (reg == AC97_GPIO_STATUS) |
| 118 | reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE; |
| 119 | else |
| 120 | reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; |
| 121 | #endif |
| 122 | reg_addr += (reg >> 1); |
| 123 | |
| 124 | GSR = GSR_CDONE | GSR_SDONE; |
| 125 | gsr_bits = 0; |
| 126 | *reg_addr = val; |
| 127 | wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1); |
| 128 | if (!((GSR | gsr_bits) & GSR_CDONE)) |
| 129 | printk(KERN_ERR "%s: write error (ac97_reg=%x GSR=%#lx)\n", |
Harvey Harrison | 9bf8e7d | 2008-03-03 15:32:18 -0800 | [diff] [blame^] | 130 | __func__, reg, GSR | gsr_bits); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 131 | |
| 132 | mutex_unlock(&car_mutex); |
| 133 | } |
| 134 | |
| 135 | static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) |
| 136 | { |
| 137 | gsr_bits = 0; |
| 138 | |
| 139 | #ifdef CONFIG_PXA27x |
| 140 | /* warm reset broken on Bulverde, |
| 141 | so manually keep AC97 reset high */ |
| 142 | pxa_gpio_mode(113 | GPIO_OUT | GPIO_DFLT_HIGH); |
| 143 | udelay(10); |
| 144 | GCR |= GCR_WARM_RST; |
| 145 | pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT); |
| 146 | udelay(500); |
| 147 | #else |
| 148 | GCR |= GCR_WARM_RST | GCR_PRIRDY_IEN | GCR_SECRDY_IEN; |
| 149 | wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1); |
| 150 | #endif |
| 151 | |
| 152 | if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR))) |
| 153 | printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n", |
Harvey Harrison | 9bf8e7d | 2008-03-03 15:32:18 -0800 | [diff] [blame^] | 154 | __func__, gsr_bits); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 155 | |
| 156 | GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); |
| 157 | GCR |= GCR_SDONE_IE|GCR_CDONE_IE; |
| 158 | } |
| 159 | |
| 160 | static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) |
| 161 | { |
| 162 | GCR &= GCR_COLD_RST; /* clear everything but nCRST */ |
| 163 | GCR &= ~GCR_COLD_RST; /* then assert nCRST */ |
| 164 | |
| 165 | gsr_bits = 0; |
| 166 | #ifdef CONFIG_PXA27x |
| 167 | /* PXA27x Developers Manual section 13.5.2.2.1 */ |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 168 | clk_enable(ac97conf_clk); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 169 | udelay(5); |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 170 | clk_disable(ac97conf_clk); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 171 | GCR = GCR_COLD_RST; |
| 172 | udelay(50); |
| 173 | #else |
| 174 | GCR = GCR_COLD_RST; |
| 175 | GCR |= GCR_CDONE_IE|GCR_SDONE_IE; |
| 176 | wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1); |
| 177 | #endif |
| 178 | |
| 179 | if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR))) |
| 180 | printk(KERN_INFO "%s: cold reset timeout (GSR=%#lx)\n", |
Harvey Harrison | 9bf8e7d | 2008-03-03 15:32:18 -0800 | [diff] [blame^] | 181 | __func__, gsr_bits); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 182 | |
| 183 | GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN); |
| 184 | GCR |= GCR_SDONE_IE|GCR_CDONE_IE; |
| 185 | } |
| 186 | |
| 187 | static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id) |
| 188 | { |
| 189 | long status; |
| 190 | |
| 191 | status = GSR; |
| 192 | if (status) { |
| 193 | GSR = status; |
| 194 | gsr_bits |= status; |
| 195 | wake_up(&gsr_wq); |
| 196 | |
| 197 | #ifdef CONFIG_PXA27x |
| 198 | /* Although we don't use those we still need to clear them |
| 199 | since they tend to spuriously trigger when MMC is used |
| 200 | (hardware bug? go figure)... */ |
| 201 | MISR = MISR_EOC; |
| 202 | PISR = PISR_EOC; |
| 203 | MCSR = MCSR_EOC; |
| 204 | #endif |
| 205 | |
| 206 | return IRQ_HANDLED; |
| 207 | } |
| 208 | |
| 209 | return IRQ_NONE; |
| 210 | } |
| 211 | |
| 212 | struct snd_ac97_bus_ops soc_ac97_ops = { |
| 213 | .read = pxa2xx_ac97_read, |
| 214 | .write = pxa2xx_ac97_write, |
| 215 | .warm_reset = pxa2xx_ac97_warm_reset, |
| 216 | .reset = pxa2xx_ac97_cold_reset, |
| 217 | }; |
| 218 | |
| 219 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = { |
| 220 | .name = "AC97 PCM Stereo out", |
| 221 | .dev_addr = __PREG(PCDR), |
| 222 | .drcmr = &DRCMRTXPCDR, |
| 223 | .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | |
| 224 | DCMD_BURST32 | DCMD_WIDTH4, |
| 225 | }; |
| 226 | |
| 227 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = { |
| 228 | .name = "AC97 PCM Stereo in", |
| 229 | .dev_addr = __PREG(PCDR), |
| 230 | .drcmr = &DRCMRRXPCDR, |
| 231 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
| 232 | DCMD_BURST32 | DCMD_WIDTH4, |
| 233 | }; |
| 234 | |
| 235 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = { |
| 236 | .name = "AC97 Aux PCM (Slot 5) Mono out", |
| 237 | .dev_addr = __PREG(MODR), |
| 238 | .drcmr = &DRCMRTXMODR, |
| 239 | .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | |
| 240 | DCMD_BURST16 | DCMD_WIDTH2, |
| 241 | }; |
| 242 | |
| 243 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = { |
| 244 | .name = "AC97 Aux PCM (Slot 5) Mono in", |
| 245 | .dev_addr = __PREG(MODR), |
| 246 | .drcmr = &DRCMRRXMODR, |
| 247 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
| 248 | DCMD_BURST16 | DCMD_WIDTH2, |
| 249 | }; |
| 250 | |
| 251 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = { |
| 252 | .name = "AC97 Mic PCM (Slot 6) Mono in", |
| 253 | .dev_addr = __PREG(MCDR), |
| 254 | .drcmr = &DRCMRRXMCDR, |
| 255 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
| 256 | DCMD_BURST16 | DCMD_WIDTH2, |
| 257 | }; |
| 258 | |
| 259 | #ifdef CONFIG_PM |
| 260 | static int pxa2xx_ac97_suspend(struct platform_device *pdev, |
| 261 | struct snd_soc_cpu_dai *dai) |
| 262 | { |
| 263 | GCR |= GCR_ACLINK_OFF; |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 264 | clk_disable(ac97_clk); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | static int pxa2xx_ac97_resume(struct platform_device *pdev, |
| 269 | struct snd_soc_cpu_dai *dai) |
| 270 | { |
| 271 | pxa_gpio_mode(GPIO31_SYNC_AC97_MD); |
| 272 | pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); |
| 273 | pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); |
| 274 | pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD); |
| 275 | #ifdef CONFIG_PXA27x |
| 276 | /* Use GPIO 113 as AC97 Reset on Bulverde */ |
| 277 | pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT); |
| 278 | #endif |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 279 | clk_enable(ac97_clk); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | #else |
| 284 | #define pxa2xx_ac97_suspend NULL |
| 285 | #define pxa2xx_ac97_resume NULL |
| 286 | #endif |
| 287 | |
| 288 | static int pxa2xx_ac97_probe(struct platform_device *pdev) |
| 289 | { |
| 290 | int ret; |
| 291 | |
| 292 | ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL); |
| 293 | if (ret < 0) |
| 294 | goto err; |
| 295 | |
| 296 | pxa_gpio_mode(GPIO31_SYNC_AC97_MD); |
| 297 | pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); |
| 298 | pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); |
| 299 | pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD); |
| 300 | #ifdef CONFIG_PXA27x |
| 301 | /* Use GPIO 113 as AC97 Reset on Bulverde */ |
| 302 | pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT); |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 303 | |
| 304 | ac97conf_clk = clk_get(&pdev->dev, "AC97CONFCLK"); |
| 305 | if (IS_ERR(ac97conf_clk)) { |
| 306 | ret = PTR_ERR(ac97conf_clk); |
| 307 | ac97conf_clk = NULL; |
| 308 | goto err_irq; |
| 309 | } |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 310 | #endif |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 311 | ac97_clk = clk_get(&pdev->dev, "AC97CLK"); |
| 312 | if (IS_ERR(ac97_clk)) { |
| 313 | ret = PTR_ERR(ac97_clk); |
| 314 | ac97_clk = NULL; |
| 315 | goto err_irq; |
| 316 | } |
Mark Brown | b907ef6 | 2008-04-15 16:12:44 +0100 | [diff] [blame] | 317 | clk_enable(ac97_clk); |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 318 | return 0; |
| 319 | |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 320 | err_irq: |
| 321 | GCR |= GCR_ACLINK_OFF; |
| 322 | #ifdef CONFIG_PXA27x |
| 323 | if (ac97conf_clk) { |
| 324 | clk_put(ac97conf_clk); |
| 325 | ac97conf_clk = NULL; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 326 | } |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 327 | #endif |
| 328 | free_irq(IRQ_AC97, NULL); |
| 329 | err: |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 330 | return ret; |
| 331 | } |
| 332 | |
| 333 | static void pxa2xx_ac97_remove(struct platform_device *pdev) |
| 334 | { |
| 335 | GCR |= GCR_ACLINK_OFF; |
| 336 | free_irq(IRQ_AC97, NULL); |
Mark Brown | 942de47 | 2008-03-04 11:14:24 +0100 | [diff] [blame] | 337 | #ifdef CONFIG_PXA27x |
| 338 | clk_put(ac97conf_clk); |
| 339 | ac97conf_clk = NULL; |
| 340 | #endif |
| 341 | clk_disable(ac97_clk); |
| 342 | clk_put(ac97_clk); |
| 343 | ac97_clk = NULL; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, |
| 347 | struct snd_pcm_hw_params *params) |
| 348 | { |
| 349 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 350 | struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 351 | |
| 352 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 353 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 354 | else |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 355 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 356 | |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, |
| 361 | struct snd_pcm_hw_params *params) |
| 362 | { |
| 363 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 364 | struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 365 | |
| 366 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 367 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 368 | else |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 369 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 370 | |
| 371 | return 0; |
| 372 | } |
| 373 | |
| 374 | static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, |
| 375 | struct snd_pcm_hw_params *params) |
| 376 | { |
| 377 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 378 | struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 379 | |
| 380 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 381 | return -ENODEV; |
| 382 | else |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 383 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in; |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 384 | |
| 385 | return 0; |
| 386 | } |
| 387 | |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 388 | #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
| 389 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ |
| 390 | SNDRV_PCM_RATE_48000) |
| 391 | |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 392 | /* |
| 393 | * There is only 1 physical AC97 interface for pxa2xx, but it |
| 394 | * has extra fifo's that can be used for aux DACs and ADCs. |
| 395 | */ |
| 396 | struct snd_soc_cpu_dai pxa_ac97_dai[] = { |
| 397 | { |
| 398 | .name = "pxa2xx-ac97", |
| 399 | .id = 0, |
| 400 | .type = SND_SOC_DAI_AC97, |
| 401 | .probe = pxa2xx_ac97_probe, |
| 402 | .remove = pxa2xx_ac97_remove, |
| 403 | .suspend = pxa2xx_ac97_suspend, |
| 404 | .resume = pxa2xx_ac97_resume, |
| 405 | .playback = { |
| 406 | .stream_name = "AC97 Playback", |
| 407 | .channels_min = 2, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 408 | .channels_max = 2, |
| 409 | .rates = PXA2XX_AC97_RATES, |
| 410 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 411 | .capture = { |
| 412 | .stream_name = "AC97 Capture", |
| 413 | .channels_min = 2, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 414 | .channels_max = 2, |
| 415 | .rates = PXA2XX_AC97_RATES, |
| 416 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 417 | .ops = { |
| 418 | .hw_params = pxa2xx_ac97_hw_params,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 419 | }, |
| 420 | { |
| 421 | .name = "pxa2xx-ac97-aux", |
| 422 | .id = 1, |
| 423 | .type = SND_SOC_DAI_AC97, |
| 424 | .playback = { |
| 425 | .stream_name = "AC97 Aux Playback", |
| 426 | .channels_min = 1, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 427 | .channels_max = 1, |
| 428 | .rates = PXA2XX_AC97_RATES, |
| 429 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 430 | .capture = { |
| 431 | .stream_name = "AC97 Aux Capture", |
| 432 | .channels_min = 1, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 433 | .channels_max = 1, |
| 434 | .rates = PXA2XX_AC97_RATES, |
| 435 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 436 | .ops = { |
| 437 | .hw_params = pxa2xx_ac97_hw_aux_params,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 438 | }, |
| 439 | { |
| 440 | .name = "pxa2xx-ac97-mic", |
| 441 | .id = 2, |
| 442 | .type = SND_SOC_DAI_AC97, |
| 443 | .capture = { |
| 444 | .stream_name = "AC97 Mic Capture", |
| 445 | .channels_min = 1, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 446 | .channels_max = 1, |
| 447 | .rates = PXA2XX_AC97_RATES, |
| 448 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 449 | .ops = { |
| 450 | .hw_params = pxa2xx_ac97_hw_mic_params,}, |
Liam Girdwood | 596ce32 | 2007-02-02 17:21:16 +0100 | [diff] [blame] | 451 | }, |
Liam Girdwood | 75b4102 | 2006-10-12 14:29:03 +0200 | [diff] [blame] | 452 | }; |
| 453 | |
| 454 | EXPORT_SYMBOL_GPL(pxa_ac97_dai); |
| 455 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
| 456 | |
| 457 | MODULE_AUTHOR("Nicolas Pitre"); |
| 458 | MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); |
| 459 | MODULE_LICENSE("GPL"); |