Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Driver for CS4231 sound chips found on Sparcs. |
| 3 | * Copyright (C) 2002 David S. Miller <davem@redhat.com> |
| 4 | * |
| 5 | * Based entirely upon drivers/sbus/audio/cs4231.c which is: |
| 6 | * Copyright (C) 1996, 1997, 1998, 1998 Derrick J Brashear (shadow@andrew.cmu.edu) |
| 7 | * and also sound/isa/cs423x/cs4231_lib.c which is: |
| 8 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| 9 | */ |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/module.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/moduleparam.h> |
| 18 | |
| 19 | #include <sound/driver.h> |
| 20 | #include <sound/core.h> |
| 21 | #include <sound/pcm.h> |
| 22 | #include <sound/info.h> |
| 23 | #include <sound/control.h> |
| 24 | #include <sound/timer.h> |
| 25 | #include <sound/initval.h> |
| 26 | #include <sound/pcm_params.h> |
| 27 | |
| 28 | #include <asm/io.h> |
| 29 | #include <asm/irq.h> |
| 30 | |
| 31 | #ifdef CONFIG_SBUS |
| 32 | #define SBUS_SUPPORT |
| 33 | #endif |
| 34 | |
| 35 | #ifdef SBUS_SUPPORT |
| 36 | #include <asm/sbus.h> |
| 37 | #endif |
| 38 | |
| 39 | #if defined(CONFIG_PCI) && defined(CONFIG_SPARC64) |
| 40 | #define EBUS_SUPPORT |
| 41 | #endif |
| 42 | |
| 43 | #ifdef EBUS_SUPPORT |
| 44 | #include <linux/pci.h> |
| 45 | #include <asm/ebus.h> |
| 46 | #endif |
| 47 | |
| 48 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 49 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 50 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ |
| 51 | |
| 52 | module_param_array(index, int, NULL, 0444); |
| 53 | MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard."); |
| 54 | module_param_array(id, charp, NULL, 0444); |
| 55 | MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard."); |
| 56 | module_param_array(enable, bool, NULL, 0444); |
| 57 | MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard."); |
| 58 | MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller"); |
| 59 | MODULE_DESCRIPTION("Sun CS4231"); |
| 60 | MODULE_LICENSE("GPL"); |
| 61 | MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}"); |
| 62 | |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 63 | #ifdef SBUS_SUPPORT |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 64 | struct sbus_dma_info { |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 65 | spinlock_t lock; |
| 66 | int dir; |
| 67 | void __iomem *regs; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 68 | }; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 69 | #endif |
| 70 | |
David S. Miller | 4f3f2f6 | 2006-01-17 15:55:58 -0800 | [diff] [blame] | 71 | struct snd_cs4231; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 72 | struct cs4231_dma_control { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 73 | void (*prepare)(struct cs4231_dma_control *dma_cont, int dir); |
| 74 | void (*enable)(struct cs4231_dma_control *dma_cont, int on); |
| 75 | int (*request)(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len); |
| 76 | unsigned int (*address)(struct cs4231_dma_control *dma_cont); |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 77 | void (*reset)(struct snd_cs4231 *chip); |
David S. Miller | 4f3f2f6 | 2006-01-17 15:55:58 -0800 | [diff] [blame] | 78 | void (*preallocate)(struct snd_cs4231 *chip, struct snd_pcm *pcm); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 79 | #ifdef EBUS_SUPPORT |
| 80 | struct ebus_dma_info ebus_info; |
| 81 | #endif |
| 82 | #ifdef SBUS_SUPPORT |
| 83 | struct sbus_dma_info sbus_info; |
| 84 | #endif |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 85 | }; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 86 | |
| 87 | struct snd_cs4231 { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | spinlock_t lock; |
| 89 | void __iomem *port; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 91 | struct cs4231_dma_control p_dma; |
| 92 | struct cs4231_dma_control c_dma; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | u32 flags; |
| 95 | #define CS4231_FLAG_EBUS 0x00000001 |
| 96 | #define CS4231_FLAG_PLAYBACK 0x00000002 |
| 97 | #define CS4231_FLAG_CAPTURE 0x00000004 |
| 98 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 99 | struct snd_card *card; |
| 100 | struct snd_pcm *pcm; |
| 101 | struct snd_pcm_substream *playback_substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | unsigned int p_periods_sent; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 103 | struct snd_pcm_substream *capture_substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | unsigned int c_periods_sent; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 105 | struct snd_timer *timer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | unsigned short mode; |
| 108 | #define CS4231_MODE_NONE 0x0000 |
| 109 | #define CS4231_MODE_PLAY 0x0001 |
| 110 | #define CS4231_MODE_RECORD 0x0002 |
| 111 | #define CS4231_MODE_TIMER 0x0004 |
| 112 | #define CS4231_MODE_OPEN (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER) |
| 113 | |
| 114 | unsigned char image[32]; /* registers image */ |
| 115 | int mce_bit; |
| 116 | int calibrate_mute; |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 117 | struct mutex mce_mutex; |
| 118 | struct mutex open_mutex; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
| 120 | union { |
| 121 | #ifdef SBUS_SUPPORT |
| 122 | struct sbus_dev *sdev; |
| 123 | #endif |
| 124 | #ifdef EBUS_SUPPORT |
| 125 | struct pci_dev *pdev; |
| 126 | #endif |
| 127 | } dev_u; |
| 128 | unsigned int irq[2]; |
| 129 | unsigned int regs_size; |
| 130 | struct snd_cs4231 *next; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 131 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 133 | static struct snd_cs4231 *cs4231_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | |
| 135 | /* Eventually we can use sound/isa/cs423x/cs4231_lib.c directly, but for |
| 136 | * now.... -DaveM |
| 137 | */ |
| 138 | |
| 139 | /* IO ports */ |
| 140 | |
| 141 | #define CS4231P(chip, x) ((chip)->port + c_d_c_CS4231##x) |
| 142 | |
| 143 | /* XXX offsets are different than PC ISA chips... */ |
| 144 | #define c_d_c_CS4231REGSEL 0x0 |
| 145 | #define c_d_c_CS4231REG 0x4 |
| 146 | #define c_d_c_CS4231STATUS 0x8 |
| 147 | #define c_d_c_CS4231PIO 0xc |
| 148 | |
| 149 | /* codec registers */ |
| 150 | |
| 151 | #define CS4231_LEFT_INPUT 0x00 /* left input control */ |
| 152 | #define CS4231_RIGHT_INPUT 0x01 /* right input control */ |
| 153 | #define CS4231_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */ |
| 154 | #define CS4231_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */ |
| 155 | #define CS4231_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */ |
| 156 | #define CS4231_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */ |
| 157 | #define CS4231_LEFT_OUTPUT 0x06 /* left output control register */ |
| 158 | #define CS4231_RIGHT_OUTPUT 0x07 /* right output control register */ |
| 159 | #define CS4231_PLAYBK_FORMAT 0x08 /* clock and data format - playback - bits 7-0 MCE */ |
| 160 | #define CS4231_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */ |
| 161 | #define CS4231_PIN_CTRL 0x0a /* pin control */ |
| 162 | #define CS4231_TEST_INIT 0x0b /* test and initialization */ |
| 163 | #define CS4231_MISC_INFO 0x0c /* miscellaneaous information */ |
| 164 | #define CS4231_LOOPBACK 0x0d /* loopback control */ |
| 165 | #define CS4231_PLY_UPR_CNT 0x0e /* playback upper base count */ |
| 166 | #define CS4231_PLY_LWR_CNT 0x0f /* playback lower base count */ |
| 167 | #define CS4231_ALT_FEATURE_1 0x10 /* alternate #1 feature enable */ |
| 168 | #define CS4231_ALT_FEATURE_2 0x11 /* alternate #2 feature enable */ |
| 169 | #define CS4231_LEFT_LINE_IN 0x12 /* left line input control */ |
| 170 | #define CS4231_RIGHT_LINE_IN 0x13 /* right line input control */ |
| 171 | #define CS4231_TIMER_LOW 0x14 /* timer low byte */ |
| 172 | #define CS4231_TIMER_HIGH 0x15 /* timer high byte */ |
| 173 | #define CS4231_LEFT_MIC_INPUT 0x16 /* left MIC input control register (InterWave only) */ |
| 174 | #define CS4231_RIGHT_MIC_INPUT 0x17 /* right MIC input control register (InterWave only) */ |
| 175 | #define CS4236_EXT_REG 0x17 /* extended register access */ |
| 176 | #define CS4231_IRQ_STATUS 0x18 /* irq status register */ |
| 177 | #define CS4231_LINE_LEFT_OUTPUT 0x19 /* left line output control register (InterWave only) */ |
| 178 | #define CS4231_VERSION 0x19 /* CS4231(A) - version values */ |
| 179 | #define CS4231_MONO_CTRL 0x1a /* mono input/output control */ |
| 180 | #define CS4231_LINE_RIGHT_OUTPUT 0x1b /* right line output control register (InterWave only) */ |
| 181 | #define CS4235_LEFT_MASTER 0x1b /* left master output control */ |
| 182 | #define CS4231_REC_FORMAT 0x1c /* clock and data format - record - bits 7-0 MCE */ |
| 183 | #define CS4231_PLY_VAR_FREQ 0x1d /* playback variable frequency */ |
| 184 | #define CS4235_RIGHT_MASTER 0x1d /* right master output control */ |
| 185 | #define CS4231_REC_UPR_CNT 0x1e /* record upper count */ |
| 186 | #define CS4231_REC_LWR_CNT 0x1f /* record lower count */ |
| 187 | |
| 188 | /* definitions for codec register select port - CODECP( REGSEL ) */ |
| 189 | |
| 190 | #define CS4231_INIT 0x80 /* CODEC is initializing */ |
| 191 | #define CS4231_MCE 0x40 /* mode change enable */ |
| 192 | #define CS4231_TRD 0x20 /* transfer request disable */ |
| 193 | |
| 194 | /* definitions for codec status register - CODECP( STATUS ) */ |
| 195 | |
| 196 | #define CS4231_GLOBALIRQ 0x01 /* IRQ is active */ |
| 197 | |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 198 | /* definitions for codec irq status - CS4231_IRQ_STATUS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | #define CS4231_PLAYBACK_IRQ 0x10 |
| 201 | #define CS4231_RECORD_IRQ 0x20 |
| 202 | #define CS4231_TIMER_IRQ 0x40 |
| 203 | #define CS4231_ALL_IRQS 0x70 |
| 204 | #define CS4231_REC_UNDERRUN 0x08 |
| 205 | #define CS4231_REC_OVERRUN 0x04 |
| 206 | #define CS4231_PLY_OVERRUN 0x02 |
| 207 | #define CS4231_PLY_UNDERRUN 0x01 |
| 208 | |
| 209 | /* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */ |
| 210 | |
| 211 | #define CS4231_ENABLE_MIC_GAIN 0x20 |
| 212 | |
| 213 | #define CS4231_MIXS_LINE 0x00 |
| 214 | #define CS4231_MIXS_AUX1 0x40 |
| 215 | #define CS4231_MIXS_MIC 0x80 |
| 216 | #define CS4231_MIXS_ALL 0xc0 |
| 217 | |
| 218 | /* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */ |
| 219 | |
| 220 | #define CS4231_LINEAR_8 0x00 /* 8-bit unsigned data */ |
| 221 | #define CS4231_ALAW_8 0x60 /* 8-bit A-law companded */ |
| 222 | #define CS4231_ULAW_8 0x20 /* 8-bit U-law companded */ |
| 223 | #define CS4231_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */ |
| 224 | #define CS4231_LINEAR_16_BIG 0xc0 /* 16-bit twos complement data - big endian */ |
| 225 | #define CS4231_ADPCM_16 0xa0 /* 16-bit ADPCM */ |
| 226 | #define CS4231_STEREO 0x10 /* stereo mode */ |
| 227 | /* bits 3-1 define frequency divisor */ |
| 228 | #define CS4231_XTAL1 0x00 /* 24.576 crystal */ |
| 229 | #define CS4231_XTAL2 0x01 /* 16.9344 crystal */ |
| 230 | |
| 231 | /* definitions for interface control register - CS4231_IFACE_CTRL */ |
| 232 | |
| 233 | #define CS4231_RECORD_PIO 0x80 /* record PIO enable */ |
| 234 | #define CS4231_PLAYBACK_PIO 0x40 /* playback PIO enable */ |
| 235 | #define CS4231_CALIB_MODE 0x18 /* calibration mode bits */ |
| 236 | #define CS4231_AUTOCALIB 0x08 /* auto calibrate */ |
| 237 | #define CS4231_SINGLE_DMA 0x04 /* use single DMA channel */ |
| 238 | #define CS4231_RECORD_ENABLE 0x02 /* record enable */ |
| 239 | #define CS4231_PLAYBACK_ENABLE 0x01 /* playback enable */ |
| 240 | |
| 241 | /* definitions for pin control register - CS4231_PIN_CTRL */ |
| 242 | |
| 243 | #define CS4231_IRQ_ENABLE 0x02 /* enable IRQ */ |
| 244 | #define CS4231_XCTL1 0x40 /* external control #1 */ |
| 245 | #define CS4231_XCTL0 0x80 /* external control #0 */ |
| 246 | |
| 247 | /* definitions for test and init register - CS4231_TEST_INIT */ |
| 248 | |
| 249 | #define CS4231_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ |
| 250 | #define CS4231_DMA_REQUEST 0x10 /* DMA request in progress */ |
| 251 | |
| 252 | /* definitions for misc control register - CS4231_MISC_INFO */ |
| 253 | |
| 254 | #define CS4231_MODE2 0x40 /* MODE 2 */ |
| 255 | #define CS4231_IW_MODE3 0x6c /* MODE 3 - InterWave enhanced mode */ |
| 256 | #define CS4231_4236_MODE3 0xe0 /* MODE 3 - CS4236+ enhanced mode */ |
| 257 | |
| 258 | /* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */ |
| 259 | |
| 260 | #define CS4231_DACZ 0x01 /* zero DAC when underrun */ |
| 261 | #define CS4231_TIMER_ENABLE 0x40 /* codec timer enable */ |
| 262 | #define CS4231_OLB 0x80 /* output level bit */ |
| 263 | |
| 264 | /* SBUS DMA register defines. */ |
| 265 | |
| 266 | #define APCCSR 0x10UL /* APC DMA CSR */ |
| 267 | #define APCCVA 0x20UL /* APC Capture DMA Address */ |
| 268 | #define APCCC 0x24UL /* APC Capture Count */ |
| 269 | #define APCCNVA 0x28UL /* APC Capture DMA Next Address */ |
| 270 | #define APCCNC 0x2cUL /* APC Capture Next Count */ |
| 271 | #define APCPVA 0x30UL /* APC Play DMA Address */ |
| 272 | #define APCPC 0x34UL /* APC Play Count */ |
| 273 | #define APCPNVA 0x38UL /* APC Play DMA Next Address */ |
| 274 | #define APCPNC 0x3cUL /* APC Play Next Count */ |
| 275 | |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 276 | /* Defines for SBUS DMA-routines */ |
| 277 | |
| 278 | #define APCVA 0x0UL /* APC DMA Address */ |
| 279 | #define APCC 0x4UL /* APC Count */ |
| 280 | #define APCNVA 0x8UL /* APC DMA Next Address */ |
| 281 | #define APCNC 0xcUL /* APC Next Count */ |
| 282 | #define APC_PLAY 0x30UL /* Play registers start at 0x30 */ |
| 283 | #define APC_RECORD 0x20UL /* Record registers start at 0x20 */ |
| 284 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | /* APCCSR bits */ |
| 286 | |
| 287 | #define APC_INT_PENDING 0x800000 /* Interrupt Pending */ |
| 288 | #define APC_PLAY_INT 0x400000 /* Playback interrupt */ |
| 289 | #define APC_CAPT_INT 0x200000 /* Capture interrupt */ |
| 290 | #define APC_GENL_INT 0x100000 /* General interrupt */ |
| 291 | #define APC_XINT_ENA 0x80000 /* General ext int. enable */ |
| 292 | #define APC_XINT_PLAY 0x40000 /* Playback ext intr */ |
| 293 | #define APC_XINT_CAPT 0x20000 /* Capture ext intr */ |
| 294 | #define APC_XINT_GENL 0x10000 /* Error ext intr */ |
| 295 | #define APC_XINT_EMPT 0x8000 /* Pipe empty interrupt (0 write to pva) */ |
| 296 | #define APC_XINT_PEMP 0x4000 /* Play pipe empty (pva and pnva not set) */ |
| 297 | #define APC_XINT_PNVA 0x2000 /* Playback NVA dirty */ |
| 298 | #define APC_XINT_PENA 0x1000 /* play pipe empty Int enable */ |
| 299 | #define APC_XINT_COVF 0x800 /* Cap data dropped on floor */ |
| 300 | #define APC_XINT_CNVA 0x400 /* Capture NVA dirty */ |
| 301 | #define APC_XINT_CEMP 0x200 /* Capture pipe empty (cva and cnva not set) */ |
| 302 | #define APC_XINT_CENA 0x100 /* Cap. pipe empty int enable */ |
| 303 | #define APC_PPAUSE 0x80 /* Pause the play DMA */ |
| 304 | #define APC_CPAUSE 0x40 /* Pause the capture DMA */ |
| 305 | #define APC_CDC_RESET 0x20 /* CODEC RESET */ |
| 306 | #define APC_PDMA_READY 0x08 /* Play DMA Go */ |
| 307 | #define APC_CDMA_READY 0x04 /* Capture DMA Go */ |
| 308 | #define APC_CHIP_RESET 0x01 /* Reset the chip */ |
| 309 | |
| 310 | /* EBUS DMA register offsets */ |
| 311 | |
| 312 | #define EBDMA_CSR 0x00UL /* Control/Status */ |
| 313 | #define EBDMA_ADDR 0x04UL /* DMA Address */ |
| 314 | #define EBDMA_COUNT 0x08UL /* DMA Count */ |
| 315 | |
| 316 | /* |
| 317 | * Some variables |
| 318 | */ |
| 319 | |
| 320 | static unsigned char freq_bits[14] = { |
| 321 | /* 5510 */ 0x00 | CS4231_XTAL2, |
| 322 | /* 6620 */ 0x0E | CS4231_XTAL2, |
| 323 | /* 8000 */ 0x00 | CS4231_XTAL1, |
| 324 | /* 9600 */ 0x0E | CS4231_XTAL1, |
| 325 | /* 11025 */ 0x02 | CS4231_XTAL2, |
| 326 | /* 16000 */ 0x02 | CS4231_XTAL1, |
| 327 | /* 18900 */ 0x04 | CS4231_XTAL2, |
| 328 | /* 22050 */ 0x06 | CS4231_XTAL2, |
| 329 | /* 27042 */ 0x04 | CS4231_XTAL1, |
| 330 | /* 32000 */ 0x06 | CS4231_XTAL1, |
| 331 | /* 33075 */ 0x0C | CS4231_XTAL2, |
| 332 | /* 37800 */ 0x08 | CS4231_XTAL2, |
| 333 | /* 44100 */ 0x0A | CS4231_XTAL2, |
| 334 | /* 48000 */ 0x0C | CS4231_XTAL1 |
| 335 | }; |
| 336 | |
| 337 | static unsigned int rates[14] = { |
| 338 | 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050, |
| 339 | 27042, 32000, 33075, 37800, 44100, 48000 |
| 340 | }; |
| 341 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 342 | static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | .count = 14, |
| 344 | .list = rates, |
| 345 | }; |
| 346 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 347 | static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | { |
| 349 | return snd_pcm_hw_constraint_list(runtime, 0, |
| 350 | SNDRV_PCM_HW_PARAM_RATE, |
| 351 | &hw_constraints_rates); |
| 352 | } |
| 353 | |
| 354 | static unsigned char snd_cs4231_original_image[32] = |
| 355 | { |
| 356 | 0x00, /* 00/00 - lic */ |
| 357 | 0x00, /* 01/01 - ric */ |
| 358 | 0x9f, /* 02/02 - la1ic */ |
| 359 | 0x9f, /* 03/03 - ra1ic */ |
| 360 | 0x9f, /* 04/04 - la2ic */ |
| 361 | 0x9f, /* 05/05 - ra2ic */ |
| 362 | 0xbf, /* 06/06 - loc */ |
| 363 | 0xbf, /* 07/07 - roc */ |
| 364 | 0x20, /* 08/08 - pdfr */ |
| 365 | CS4231_AUTOCALIB, /* 09/09 - ic */ |
| 366 | 0x00, /* 0a/10 - pc */ |
| 367 | 0x00, /* 0b/11 - ti */ |
| 368 | CS4231_MODE2, /* 0c/12 - mi */ |
| 369 | 0x00, /* 0d/13 - lbc */ |
| 370 | 0x00, /* 0e/14 - pbru */ |
| 371 | 0x00, /* 0f/15 - pbrl */ |
| 372 | 0x80, /* 10/16 - afei */ |
| 373 | 0x01, /* 11/17 - afeii */ |
| 374 | 0x9f, /* 12/18 - llic */ |
| 375 | 0x9f, /* 13/19 - rlic */ |
| 376 | 0x00, /* 14/20 - tlb */ |
| 377 | 0x00, /* 15/21 - thb */ |
| 378 | 0x00, /* 16/22 - la3mic/reserved */ |
| 379 | 0x00, /* 17/23 - ra3mic/reserved */ |
| 380 | 0x00, /* 18/24 - afs */ |
| 381 | 0x00, /* 19/25 - lamoc/version */ |
| 382 | 0x00, /* 1a/26 - mioc */ |
| 383 | 0x00, /* 1b/27 - ramoc/reserved */ |
| 384 | 0x20, /* 1c/28 - cdfr */ |
| 385 | 0x00, /* 1d/29 - res4 */ |
| 386 | 0x00, /* 1e/30 - cbru */ |
| 387 | 0x00, /* 1f/31 - cbrl */ |
| 388 | }; |
| 389 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 390 | static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | { |
| 392 | #ifdef EBUS_SUPPORT |
| 393 | if (cp->flags & CS4231_FLAG_EBUS) { |
| 394 | return readb(reg_addr); |
| 395 | } else { |
| 396 | #endif |
| 397 | #ifdef SBUS_SUPPORT |
| 398 | return sbus_readb(reg_addr); |
| 399 | #endif |
| 400 | #ifdef EBUS_SUPPORT |
| 401 | } |
| 402 | #endif |
| 403 | } |
| 404 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 405 | static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val, void __iomem *reg_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | { |
| 407 | #ifdef EBUS_SUPPORT |
| 408 | if (cp->flags & CS4231_FLAG_EBUS) { |
| 409 | return writeb(val, reg_addr); |
| 410 | } else { |
| 411 | #endif |
| 412 | #ifdef SBUS_SUPPORT |
| 413 | return sbus_writeb(val, reg_addr); |
| 414 | #endif |
| 415 | #ifdef EBUS_SUPPORT |
| 416 | } |
| 417 | #endif |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * Basic I/O functions |
| 422 | */ |
| 423 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 424 | static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | unsigned char mask, unsigned char value) |
| 426 | { |
| 427 | int timeout; |
| 428 | unsigned char tmp; |
| 429 | |
| 430 | for (timeout = 250; |
| 431 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
| 432 | timeout--) |
| 433 | udelay(100); |
| 434 | #ifdef CONFIG_SND_DEBUG |
| 435 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 436 | snd_printdd("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | #endif |
| 438 | if (chip->calibrate_mute) { |
| 439 | chip->image[reg] &= mask; |
| 440 | chip->image[reg] |= value; |
| 441 | } else { |
| 442 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); |
| 443 | mb(); |
| 444 | tmp = (chip->image[reg] & mask) | value; |
| 445 | __cs4231_writeb(chip, tmp, CS4231P(chip, REG)); |
| 446 | chip->image[reg] = tmp; |
| 447 | mb(); |
| 448 | } |
| 449 | } |
| 450 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 451 | static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | { |
| 453 | int timeout; |
| 454 | |
| 455 | for (timeout = 250; |
| 456 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
| 457 | timeout--) |
| 458 | udelay(100); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 459 | #ifdef CONFIG_SND_DEBUG |
| 460 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
| 461 | snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); |
| 462 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); |
| 464 | __cs4231_writeb(chip, value, CS4231P(chip, REG)); |
| 465 | mb(); |
| 466 | } |
| 467 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 468 | static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | { |
| 470 | int timeout; |
| 471 | |
| 472 | for (timeout = 250; |
| 473 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
| 474 | timeout--) |
| 475 | udelay(100); |
| 476 | #ifdef CONFIG_SND_DEBUG |
| 477 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 478 | snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | #endif |
| 480 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); |
| 481 | __cs4231_writeb(chip, value, CS4231P(chip, REG)); |
| 482 | chip->image[reg] = value; |
| 483 | mb(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | } |
| 485 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 486 | static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | { |
| 488 | int timeout; |
| 489 | unsigned char ret; |
| 490 | |
| 491 | for (timeout = 250; |
| 492 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
| 493 | timeout--) |
| 494 | udelay(100); |
| 495 | #ifdef CONFIG_SND_DEBUG |
| 496 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 497 | snd_printdd("in: auto calibration time out - reg = 0x%x\n", reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | #endif |
| 499 | __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL)); |
| 500 | mb(); |
| 501 | ret = __cs4231_readb(chip, CS4231P(chip, REG)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | return ret; |
| 503 | } |
| 504 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | /* |
| 506 | * CS4231 detection / MCE routines |
| 507 | */ |
| 508 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 509 | static void snd_cs4231_busy_wait(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | { |
| 511 | int timeout; |
| 512 | |
| 513 | /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */ |
| 514 | for (timeout = 5; timeout > 0; timeout--) |
| 515 | __cs4231_readb(chip, CS4231P(chip, REGSEL)); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 516 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | /* end of cleanup sequence */ |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 518 | for (timeout = 500; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); |
| 520 | timeout--) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 521 | udelay(1000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | } |
| 523 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 524 | static void snd_cs4231_mce_up(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | { |
| 526 | unsigned long flags; |
| 527 | int timeout; |
| 528 | |
| 529 | spin_lock_irqsave(&chip->lock, flags); |
| 530 | for (timeout = 250; timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); timeout--) |
| 531 | udelay(100); |
| 532 | #ifdef CONFIG_SND_DEBUG |
| 533 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 534 | snd_printdd("mce_up - auto calibration time out (0)\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | #endif |
| 536 | chip->mce_bit |= CS4231_MCE; |
| 537 | timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL)); |
| 538 | if (timeout == 0x80) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 539 | snd_printdd("mce_up [%p]: serious init problem - codec still busy\n", chip->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | if (!(timeout & CS4231_MCE)) |
| 541 | __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL)); |
| 542 | spin_unlock_irqrestore(&chip->lock, flags); |
| 543 | } |
| 544 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 545 | static void snd_cs4231_mce_down(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | { |
| 547 | unsigned long flags; |
| 548 | int timeout; |
| 549 | |
| 550 | spin_lock_irqsave(&chip->lock, flags); |
| 551 | snd_cs4231_busy_wait(chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | #ifdef CONFIG_SND_DEBUG |
| 553 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 554 | snd_printdd("mce_down [%p] - auto calibration time out (0)\n", CS4231P(chip, REGSEL)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | #endif |
| 556 | chip->mce_bit &= ~CS4231_MCE; |
| 557 | timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL)); |
| 558 | __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL)); |
| 559 | if (timeout == 0x80) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 560 | snd_printdd("mce_down [%p]: serious init problem - codec still busy\n", chip->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | if ((timeout & CS4231_MCE) == 0) { |
| 562 | spin_unlock_irqrestore(&chip->lock, flags); |
| 563 | return; |
| 564 | } |
| 565 | snd_cs4231_busy_wait(chip); |
| 566 | |
| 567 | /* calibration process */ |
| 568 | |
| 569 | for (timeout = 500; timeout > 0 && (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0; timeout--) |
| 570 | udelay(100); |
| 571 | if ((snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0) { |
| 572 | snd_printd("cs4231_mce_down - auto calibration time out (1)\n"); |
| 573 | spin_unlock_irqrestore(&chip->lock, flags); |
| 574 | return; |
| 575 | } |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 576 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | /* in 10ms increments, check condition, up to 250ms */ |
| 578 | timeout = 25; |
| 579 | while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) { |
| 580 | spin_unlock_irqrestore(&chip->lock, flags); |
| 581 | if (--timeout < 0) { |
| 582 | snd_printk("mce_down - auto calibration time out (2)\n"); |
| 583 | return; |
| 584 | } |
| 585 | msleep(10); |
| 586 | spin_lock_irqsave(&chip->lock, flags); |
| 587 | } |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 588 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | /* in 10ms increments, check condition, up to 100ms */ |
| 590 | timeout = 10; |
| 591 | while (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) { |
| 592 | spin_unlock_irqrestore(&chip->lock, flags); |
| 593 | if (--timeout < 0) { |
| 594 | snd_printk("mce_down - auto calibration time out (3)\n"); |
| 595 | return; |
| 596 | } |
| 597 | msleep(10); |
| 598 | spin_lock_irqsave(&chip->lock, flags); |
| 599 | } |
| 600 | spin_unlock_irqrestore(&chip->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 603 | static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont, |
| 604 | struct snd_pcm_substream *substream, |
| 605 | unsigned int *periods_sent) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 607 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | |
| 609 | while (1) { |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 610 | unsigned int period_size = snd_pcm_lib_period_bytes(substream); |
| 611 | unsigned int offset = period_size * (*periods_sent); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | |
Eric Sesterhenn | 817dd6e | 2006-03-24 18:49:12 +0100 | [diff] [blame] | 613 | BUG_ON(period_size >= (1 << 24)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 615 | if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | (*periods_sent) = ((*periods_sent) + 1) % runtime->periods; |
| 618 | } |
| 619 | } |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 620 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 621 | static void cs4231_dma_trigger(struct snd_pcm_substream *substream, |
| 622 | unsigned int what, int on) |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 623 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 624 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 625 | struct cs4231_dma_control *dma_cont; |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 626 | |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 627 | if (what & CS4231_PLAYBACK_ENABLE) { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 628 | dma_cont = &chip->p_dma; |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 629 | if (on) { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 630 | dma_cont->prepare(dma_cont, 0); |
| 631 | dma_cont->enable(dma_cont, 1); |
| 632 | snd_cs4231_advance_dma(dma_cont, |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 633 | chip->playback_substream, |
| 634 | &chip->p_periods_sent); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 635 | } else { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 636 | dma_cont->enable(dma_cont, 0); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 637 | } |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 638 | } |
| 639 | if (what & CS4231_RECORD_ENABLE) { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 640 | dma_cont = &chip->c_dma; |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 641 | if (on) { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 642 | dma_cont->prepare(dma_cont, 1); |
| 643 | dma_cont->enable(dma_cont, 1); |
| 644 | snd_cs4231_advance_dma(dma_cont, |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 645 | chip->capture_substream, |
| 646 | &chip->c_periods_sent); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 647 | } else { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 648 | dma_cont->enable(dma_cont, 0); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 649 | } |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 650 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | } |
| 652 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 653 | static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 655 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | int result = 0; |
| 657 | |
| 658 | switch (cmd) { |
| 659 | case SNDRV_PCM_TRIGGER_START: |
| 660 | case SNDRV_PCM_TRIGGER_STOP: |
| 661 | { |
| 662 | unsigned int what = 0; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 663 | struct snd_pcm_substream *s; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | unsigned long flags; |
| 665 | |
Takashi Iwai | ef991b9 | 2007-02-22 12:52:53 +0100 | [diff] [blame] | 666 | snd_pcm_group_for_each_entry(s, substream) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | if (s == chip->playback_substream) { |
| 668 | what |= CS4231_PLAYBACK_ENABLE; |
| 669 | snd_pcm_trigger_done(s, substream); |
| 670 | } else if (s == chip->capture_substream) { |
| 671 | what |= CS4231_RECORD_ENABLE; |
| 672 | snd_pcm_trigger_done(s, substream); |
| 673 | } |
| 674 | } |
| 675 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | spin_lock_irqsave(&chip->lock, flags); |
| 677 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 678 | cs4231_dma_trigger(substream, what, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | chip->image[CS4231_IFACE_CTRL] |= what; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | } else { |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 681 | cs4231_dma_trigger(substream, what, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | chip->image[CS4231_IFACE_CTRL] &= ~what; |
| 683 | } |
| 684 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, |
| 685 | chip->image[CS4231_IFACE_CTRL]); |
| 686 | spin_unlock_irqrestore(&chip->lock, flags); |
| 687 | break; |
| 688 | } |
| 689 | default: |
| 690 | result = -EINVAL; |
| 691 | break; |
| 692 | } |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 693 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | return result; |
| 695 | } |
| 696 | |
| 697 | /* |
| 698 | * CODEC I/O |
| 699 | */ |
| 700 | |
| 701 | static unsigned char snd_cs4231_get_rate(unsigned int rate) |
| 702 | { |
| 703 | int i; |
| 704 | |
| 705 | for (i = 0; i < 14; i++) |
| 706 | if (rate == rates[i]) |
| 707 | return freq_bits[i]; |
| 708 | // snd_BUG(); |
| 709 | return freq_bits[13]; |
| 710 | } |
| 711 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 712 | static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format, int channels) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | { |
| 714 | unsigned char rformat; |
| 715 | |
| 716 | rformat = CS4231_LINEAR_8; |
| 717 | switch (format) { |
| 718 | case SNDRV_PCM_FORMAT_MU_LAW: rformat = CS4231_ULAW_8; break; |
| 719 | case SNDRV_PCM_FORMAT_A_LAW: rformat = CS4231_ALAW_8; break; |
| 720 | case SNDRV_PCM_FORMAT_S16_LE: rformat = CS4231_LINEAR_16; break; |
| 721 | case SNDRV_PCM_FORMAT_S16_BE: rformat = CS4231_LINEAR_16_BIG; break; |
| 722 | case SNDRV_PCM_FORMAT_IMA_ADPCM: rformat = CS4231_ADPCM_16; break; |
| 723 | } |
| 724 | if (channels > 1) |
| 725 | rformat |= CS4231_STEREO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | return rformat; |
| 727 | } |
| 728 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 729 | static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | { |
| 731 | unsigned long flags; |
| 732 | |
| 733 | mute = mute ? 1 : 0; |
| 734 | spin_lock_irqsave(&chip->lock, flags); |
| 735 | if (chip->calibrate_mute == mute) { |
| 736 | spin_unlock_irqrestore(&chip->lock, flags); |
| 737 | return; |
| 738 | } |
| 739 | if (!mute) { |
| 740 | snd_cs4231_dout(chip, CS4231_LEFT_INPUT, |
| 741 | chip->image[CS4231_LEFT_INPUT]); |
| 742 | snd_cs4231_dout(chip, CS4231_RIGHT_INPUT, |
| 743 | chip->image[CS4231_RIGHT_INPUT]); |
| 744 | snd_cs4231_dout(chip, CS4231_LOOPBACK, |
| 745 | chip->image[CS4231_LOOPBACK]); |
| 746 | } |
| 747 | snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT, |
| 748 | mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]); |
| 749 | snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT, |
| 750 | mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]); |
| 751 | snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT, |
| 752 | mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]); |
| 753 | snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT, |
| 754 | mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]); |
| 755 | snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT, |
| 756 | mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]); |
| 757 | snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT, |
| 758 | mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]); |
| 759 | snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN, |
| 760 | mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); |
| 761 | snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN, |
| 762 | mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); |
| 763 | snd_cs4231_dout(chip, CS4231_MONO_CTRL, |
| 764 | mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); |
| 765 | chip->calibrate_mute = mute; |
| 766 | spin_unlock_irqrestore(&chip->lock, flags); |
| 767 | } |
| 768 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 769 | static void snd_cs4231_playback_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | unsigned char pdfr) |
| 771 | { |
| 772 | unsigned long flags; |
| 773 | |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 774 | mutex_lock(&chip->mce_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | snd_cs4231_calibrate_mute(chip, 1); |
| 776 | |
| 777 | snd_cs4231_mce_up(chip); |
| 778 | |
| 779 | spin_lock_irqsave(&chip->lock, flags); |
| 780 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, |
| 781 | (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ? |
| 782 | (pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) : |
| 783 | pdfr); |
| 784 | spin_unlock_irqrestore(&chip->lock, flags); |
| 785 | |
| 786 | snd_cs4231_mce_down(chip); |
| 787 | |
| 788 | snd_cs4231_calibrate_mute(chip, 0); |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 789 | mutex_unlock(&chip->mce_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 790 | } |
| 791 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 792 | static void snd_cs4231_capture_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | unsigned char cdfr) |
| 794 | { |
| 795 | unsigned long flags; |
| 796 | |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 797 | mutex_lock(&chip->mce_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | snd_cs4231_calibrate_mute(chip, 1); |
| 799 | |
| 800 | snd_cs4231_mce_up(chip); |
| 801 | |
| 802 | spin_lock_irqsave(&chip->lock, flags); |
| 803 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { |
| 804 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, |
| 805 | ((chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) | |
| 806 | (cdfr & 0x0f)); |
| 807 | spin_unlock_irqrestore(&chip->lock, flags); |
| 808 | snd_cs4231_mce_down(chip); |
| 809 | snd_cs4231_mce_up(chip); |
| 810 | spin_lock_irqsave(&chip->lock, flags); |
| 811 | } |
| 812 | snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr); |
| 813 | spin_unlock_irqrestore(&chip->lock, flags); |
| 814 | |
| 815 | snd_cs4231_mce_down(chip); |
| 816 | |
| 817 | snd_cs4231_calibrate_mute(chip, 0); |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 818 | mutex_unlock(&chip->mce_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | /* |
| 822 | * Timer interface |
| 823 | */ |
| 824 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 825 | static unsigned long snd_cs4231_timer_resolution(struct snd_timer *timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 827 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
| 829 | return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920; |
| 830 | } |
| 831 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 832 | static int snd_cs4231_timer_start(struct snd_timer *timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | { |
| 834 | unsigned long flags; |
| 835 | unsigned int ticks; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 836 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | |
| 838 | spin_lock_irqsave(&chip->lock, flags); |
| 839 | ticks = timer->sticks; |
| 840 | if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 || |
| 841 | (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] || |
| 842 | (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) { |
| 843 | snd_cs4231_out(chip, CS4231_TIMER_HIGH, |
| 844 | chip->image[CS4231_TIMER_HIGH] = |
| 845 | (unsigned char) (ticks >> 8)); |
| 846 | snd_cs4231_out(chip, CS4231_TIMER_LOW, |
| 847 | chip->image[CS4231_TIMER_LOW] = |
| 848 | (unsigned char) ticks); |
| 849 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, |
| 850 | chip->image[CS4231_ALT_FEATURE_1] | CS4231_TIMER_ENABLE); |
| 851 | } |
| 852 | spin_unlock_irqrestore(&chip->lock, flags); |
| 853 | |
| 854 | return 0; |
| 855 | } |
| 856 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 857 | static int snd_cs4231_timer_stop(struct snd_timer *timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | { |
| 859 | unsigned long flags; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 860 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | |
| 862 | spin_lock_irqsave(&chip->lock, flags); |
| 863 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, |
| 864 | chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE); |
| 865 | spin_unlock_irqrestore(&chip->lock, flags); |
| 866 | |
| 867 | return 0; |
| 868 | } |
| 869 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 870 | static void __init snd_cs4231_init(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 871 | { |
| 872 | unsigned long flags; |
| 873 | |
| 874 | snd_cs4231_mce_down(chip); |
| 875 | |
| 876 | #ifdef SNDRV_DEBUG_MCE |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 877 | snd_printdd("init: (1)\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | #endif |
| 879 | snd_cs4231_mce_up(chip); |
| 880 | spin_lock_irqsave(&chip->lock, flags); |
| 881 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | |
| 882 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO | |
| 883 | CS4231_CALIB_MODE); |
| 884 | chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB; |
| 885 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); |
| 886 | spin_unlock_irqrestore(&chip->lock, flags); |
| 887 | snd_cs4231_mce_down(chip); |
| 888 | |
| 889 | #ifdef SNDRV_DEBUG_MCE |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 890 | snd_printdd("init: (2)\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | #endif |
| 892 | |
| 893 | snd_cs4231_mce_up(chip); |
| 894 | spin_lock_irqsave(&chip->lock, flags); |
| 895 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]); |
| 896 | spin_unlock_irqrestore(&chip->lock, flags); |
| 897 | snd_cs4231_mce_down(chip); |
| 898 | |
| 899 | #ifdef SNDRV_DEBUG_MCE |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 900 | snd_printdd("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 901 | #endif |
| 902 | |
| 903 | spin_lock_irqsave(&chip->lock, flags); |
| 904 | snd_cs4231_out(chip, CS4231_ALT_FEATURE_2, chip->image[CS4231_ALT_FEATURE_2]); |
| 905 | spin_unlock_irqrestore(&chip->lock, flags); |
| 906 | |
| 907 | snd_cs4231_mce_up(chip); |
| 908 | spin_lock_irqsave(&chip->lock, flags); |
| 909 | snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT]); |
| 910 | spin_unlock_irqrestore(&chip->lock, flags); |
| 911 | snd_cs4231_mce_down(chip); |
| 912 | |
| 913 | #ifdef SNDRV_DEBUG_MCE |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 914 | snd_printdd("init: (4)\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 915 | #endif |
| 916 | |
| 917 | snd_cs4231_mce_up(chip); |
| 918 | spin_lock_irqsave(&chip->lock, flags); |
| 919 | snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]); |
| 920 | spin_unlock_irqrestore(&chip->lock, flags); |
| 921 | snd_cs4231_mce_down(chip); |
| 922 | |
| 923 | #ifdef SNDRV_DEBUG_MCE |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 924 | snd_printdd("init: (5)\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | #endif |
| 926 | } |
| 927 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 928 | static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | { |
| 930 | unsigned long flags; |
| 931 | |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 932 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | if ((chip->mode & mode)) { |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 934 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | return -EAGAIN; |
| 936 | } |
| 937 | if (chip->mode & CS4231_MODE_OPEN) { |
| 938 | chip->mode |= mode; |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 939 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | return 0; |
| 941 | } |
| 942 | /* ok. now enable and ack CODEC IRQ */ |
| 943 | spin_lock_irqsave(&chip->lock, flags); |
| 944 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | |
| 945 | CS4231_RECORD_IRQ | |
| 946 | CS4231_TIMER_IRQ); |
| 947 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); |
| 948 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 949 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 950 | |
| 951 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | |
| 952 | CS4231_RECORD_IRQ | |
| 953 | CS4231_TIMER_IRQ); |
| 954 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 955 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | spin_unlock_irqrestore(&chip->lock, flags); |
| 957 | |
| 958 | chip->mode = mode; |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 959 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | return 0; |
| 961 | } |
| 962 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 963 | static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 964 | { |
| 965 | unsigned long flags; |
| 966 | |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 967 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | chip->mode &= ~mode; |
| 969 | if (chip->mode & CS4231_MODE_OPEN) { |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 970 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | return; |
| 972 | } |
| 973 | snd_cs4231_calibrate_mute(chip, 1); |
| 974 | |
| 975 | /* disable IRQ */ |
| 976 | spin_lock_irqsave(&chip->lock, flags); |
| 977 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); |
| 978 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 979 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 980 | |
| 981 | /* now disable record & playback */ |
| 982 | |
| 983 | if (chip->image[CS4231_IFACE_CTRL] & |
| 984 | (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | |
| 985 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) { |
| 986 | spin_unlock_irqrestore(&chip->lock, flags); |
| 987 | snd_cs4231_mce_up(chip); |
| 988 | spin_lock_irqsave(&chip->lock, flags); |
| 989 | chip->image[CS4231_IFACE_CTRL] &= |
| 990 | ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | |
| 991 | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); |
| 992 | snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); |
| 993 | spin_unlock_irqrestore(&chip->lock, flags); |
| 994 | snd_cs4231_mce_down(chip); |
| 995 | spin_lock_irqsave(&chip->lock, flags); |
| 996 | } |
| 997 | |
| 998 | /* clear IRQ again */ |
| 999 | snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); |
| 1000 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 1001 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); /* clear IRQ */ |
| 1002 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1003 | |
| 1004 | snd_cs4231_calibrate_mute(chip, 0); |
| 1005 | |
| 1006 | chip->mode = 0; |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 1007 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | } |
| 1009 | |
| 1010 | /* |
| 1011 | * timer open/close |
| 1012 | */ |
| 1013 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1014 | static int snd_cs4231_timer_open(struct snd_timer *timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1016 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | snd_cs4231_open(chip, CS4231_MODE_TIMER); |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1021 | static int snd_cs4231_timer_close(struct snd_timer * timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1023 | struct snd_cs4231 *chip = snd_timer_chip(timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | snd_cs4231_close(chip, CS4231_MODE_TIMER); |
| 1025 | return 0; |
| 1026 | } |
| 1027 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1028 | static struct snd_timer_hardware snd_cs4231_timer_table = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | { |
| 1030 | .flags = SNDRV_TIMER_HW_AUTO, |
| 1031 | .resolution = 9945, |
| 1032 | .ticks = 65535, |
| 1033 | .open = snd_cs4231_timer_open, |
| 1034 | .close = snd_cs4231_timer_close, |
| 1035 | .c_resolution = snd_cs4231_timer_resolution, |
| 1036 | .start = snd_cs4231_timer_start, |
| 1037 | .stop = snd_cs4231_timer_stop, |
| 1038 | }; |
| 1039 | |
| 1040 | /* |
| 1041 | * ok.. exported functions.. |
| 1042 | */ |
| 1043 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1044 | static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream, |
| 1045 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1047 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | unsigned char new_pdfr; |
| 1049 | int err; |
| 1050 | |
| 1051 | if ((err = snd_pcm_lib_malloc_pages(substream, |
| 1052 | params_buffer_bytes(hw_params))) < 0) |
| 1053 | return err; |
| 1054 | new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params), |
| 1055 | params_channels(hw_params)) | |
| 1056 | snd_cs4231_get_rate(params_rate(hw_params)); |
| 1057 | snd_cs4231_playback_format(chip, hw_params, new_pdfr); |
| 1058 | |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1062 | static int snd_cs4231_playback_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | { |
| 1064 | return snd_pcm_lib_free_pages(substream); |
| 1065 | } |
| 1066 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1067 | static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1069 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 1070 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | unsigned long flags; |
| 1072 | |
| 1073 | spin_lock_irqsave(&chip->lock, flags); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1074 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | |
| 1076 | CS4231_PLAYBACK_PIO); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1077 | |
Eric Sesterhenn | 817dd6e | 2006-03-24 18:49:12 +0100 | [diff] [blame] | 1078 | BUG_ON(runtime->period_size > 0xffff + 1); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1079 | |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1080 | chip->p_periods_sent = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1082 | |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1086 | static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream, |
| 1087 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1088 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1089 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | unsigned char new_cdfr; |
| 1091 | int err; |
| 1092 | |
| 1093 | if ((err = snd_pcm_lib_malloc_pages(substream, |
| 1094 | params_buffer_bytes(hw_params))) < 0) |
| 1095 | return err; |
| 1096 | new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params), |
| 1097 | params_channels(hw_params)) | |
| 1098 | snd_cs4231_get_rate(params_rate(hw_params)); |
| 1099 | snd_cs4231_capture_format(chip, hw_params, new_cdfr); |
| 1100 | |
| 1101 | return 0; |
| 1102 | } |
| 1103 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1104 | static int snd_cs4231_capture_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | { |
| 1106 | return snd_pcm_lib_free_pages(substream); |
| 1107 | } |
| 1108 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1109 | static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1110 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1111 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1112 | unsigned long flags; |
| 1113 | |
| 1114 | spin_lock_irqsave(&chip->lock, flags); |
| 1115 | chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | |
| 1116 | CS4231_RECORD_PIO); |
| 1117 | |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1118 | |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 1119 | chip->c_periods_sent = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1121 | |
| 1122 | return 0; |
| 1123 | } |
| 1124 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1125 | static void snd_cs4231_overrange(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1126 | { |
| 1127 | unsigned long flags; |
| 1128 | unsigned char res; |
| 1129 | |
| 1130 | spin_lock_irqsave(&chip->lock, flags); |
| 1131 | res = snd_cs4231_in(chip, CS4231_TEST_INIT); |
| 1132 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1133 | |
| 1134 | if (res & (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */ |
| 1135 | chip->capture_substream->runtime->overrange++; |
| 1136 | } |
| 1137 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1138 | static void snd_cs4231_play_callback(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1140 | if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) { |
| 1141 | snd_pcm_period_elapsed(chip->playback_substream); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1142 | snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | &chip->p_periods_sent); |
| 1144 | } |
| 1145 | } |
| 1146 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1147 | static void snd_cs4231_capture_callback(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) { |
| 1150 | snd_pcm_period_elapsed(chip->capture_substream); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1151 | snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | &chip->c_periods_sent); |
| 1153 | } |
| 1154 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1156 | static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1157 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1158 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 1159 | struct cs4231_dma_control *dma_cont = &chip->p_dma; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 1160 | size_t ptr; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 1161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1162 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) |
| 1163 | return 0; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1164 | ptr = dma_cont->address(dma_cont); |
| 1165 | if (ptr != 0) |
| 1166 | ptr -= substream->runtime->dma_addr; |
| 1167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1168 | return bytes_to_frames(substream->runtime, ptr); |
| 1169 | } |
| 1170 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1171 | static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1172 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1173 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 1174 | struct cs4231_dma_control *dma_cont = &chip->c_dma; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 1175 | size_t ptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | |
| 1177 | if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE)) |
| 1178 | return 0; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1179 | ptr = dma_cont->address(dma_cont); |
| 1180 | if (ptr != 0) |
| 1181 | ptr -= substream->runtime->dma_addr; |
| 1182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | return bytes_to_frames(substream->runtime, ptr); |
| 1184 | } |
| 1185 | |
| 1186 | /* |
| 1187 | |
| 1188 | */ |
| 1189 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1190 | static int __init snd_cs4231_probe(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1191 | { |
| 1192 | unsigned long flags; |
| 1193 | int i, id, vers; |
| 1194 | unsigned char *ptr; |
| 1195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1196 | id = vers = 0; |
| 1197 | for (i = 0; i < 50; i++) { |
| 1198 | mb(); |
| 1199 | if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) |
| 1200 | udelay(2000); |
| 1201 | else { |
| 1202 | spin_lock_irqsave(&chip->lock, flags); |
| 1203 | snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2); |
| 1204 | id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f; |
| 1205 | vers = snd_cs4231_in(chip, CS4231_VERSION); |
| 1206 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1207 | if (id == 0x0a) |
| 1208 | break; /* this is valid value */ |
| 1209 | } |
| 1210 | } |
| 1211 | snd_printdd("cs4231: port = %p, id = 0x%x\n", chip->port, id); |
| 1212 | if (id != 0x0a) |
| 1213 | return -ENODEV; /* no valid device found */ |
| 1214 | |
| 1215 | spin_lock_irqsave(&chip->lock, flags); |
| 1216 | |
| 1217 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1218 | /* Reset DMA engine (sbus only). */ |
| 1219 | chip->p_dma.reset(chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1220 | |
| 1221 | __cs4231_readb(chip, CS4231P(chip, STATUS)); /* clear any pendings IRQ */ |
| 1222 | __cs4231_writeb(chip, 0, CS4231P(chip, STATUS)); |
| 1223 | mb(); |
| 1224 | |
| 1225 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1226 | |
| 1227 | chip->image[CS4231_MISC_INFO] = CS4231_MODE2; |
| 1228 | chip->image[CS4231_IFACE_CTRL] = |
| 1229 | chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA; |
| 1230 | chip->image[CS4231_ALT_FEATURE_1] = 0x80; |
| 1231 | chip->image[CS4231_ALT_FEATURE_2] = 0x01; |
| 1232 | if (vers & 0x20) |
| 1233 | chip->image[CS4231_ALT_FEATURE_2] |= 0x02; |
| 1234 | |
| 1235 | ptr = (unsigned char *) &chip->image; |
| 1236 | |
| 1237 | snd_cs4231_mce_down(chip); |
| 1238 | |
| 1239 | spin_lock_irqsave(&chip->lock, flags); |
| 1240 | |
| 1241 | for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */ |
| 1242 | snd_cs4231_out(chip, i, *ptr++); |
| 1243 | |
| 1244 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1245 | |
| 1246 | snd_cs4231_mce_up(chip); |
| 1247 | |
| 1248 | snd_cs4231_mce_down(chip); |
| 1249 | |
| 1250 | mdelay(2); |
| 1251 | |
| 1252 | return 0; /* all things are ok.. */ |
| 1253 | } |
| 1254 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1255 | static struct snd_pcm_hardware snd_cs4231_playback = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1256 | { |
| 1257 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 1258 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START), |
| 1259 | .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | |
| 1260 | SNDRV_PCM_FMTBIT_IMA_ADPCM | |
| 1261 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | |
| 1262 | SNDRV_PCM_FMTBIT_S16_BE), |
| 1263 | .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, |
| 1264 | .rate_min = 5510, |
| 1265 | .rate_max = 48000, |
| 1266 | .channels_min = 1, |
| 1267 | .channels_max = 2, |
| 1268 | .buffer_bytes_max = (32*1024), |
David S. Miller | f9af1d9 | 2007-01-03 18:51:54 -0800 | [diff] [blame] | 1269 | .period_bytes_min = 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | .period_bytes_max = (32*1024), |
| 1271 | .periods_min = 1, |
| 1272 | .periods_max = 1024, |
| 1273 | }; |
| 1274 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1275 | static struct snd_pcm_hardware snd_cs4231_capture = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1276 | { |
| 1277 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 1278 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START), |
| 1279 | .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | |
| 1280 | SNDRV_PCM_FMTBIT_IMA_ADPCM | |
| 1281 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | |
| 1282 | SNDRV_PCM_FMTBIT_S16_BE), |
| 1283 | .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, |
| 1284 | .rate_min = 5510, |
| 1285 | .rate_max = 48000, |
| 1286 | .channels_min = 1, |
| 1287 | .channels_max = 2, |
| 1288 | .buffer_bytes_max = (32*1024), |
David S. Miller | f9af1d9 | 2007-01-03 18:51:54 -0800 | [diff] [blame] | 1289 | .period_bytes_min = 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1290 | .period_bytes_max = (32*1024), |
| 1291 | .periods_min = 1, |
| 1292 | .periods_max = 1024, |
| 1293 | }; |
| 1294 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1295 | static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1296 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1297 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 1298 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | int err; |
| 1300 | |
| 1301 | runtime->hw = snd_cs4231_playback; |
| 1302 | |
| 1303 | if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) { |
| 1304 | snd_free_pages(runtime->dma_area, runtime->dma_bytes); |
| 1305 | return err; |
| 1306 | } |
| 1307 | chip->playback_substream = substream; |
| 1308 | chip->p_periods_sent = 0; |
| 1309 | snd_pcm_set_sync(substream); |
| 1310 | snd_cs4231_xrate(runtime); |
| 1311 | |
| 1312 | return 0; |
| 1313 | } |
| 1314 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1315 | static int snd_cs4231_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1316 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1317 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
| 1318 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1319 | int err; |
| 1320 | |
| 1321 | runtime->hw = snd_cs4231_capture; |
| 1322 | |
| 1323 | if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) { |
| 1324 | snd_free_pages(runtime->dma_area, runtime->dma_bytes); |
| 1325 | return err; |
| 1326 | } |
| 1327 | chip->capture_substream = substream; |
| 1328 | chip->c_periods_sent = 0; |
| 1329 | snd_pcm_set_sync(substream); |
| 1330 | snd_cs4231_xrate(runtime); |
| 1331 | |
| 1332 | return 0; |
| 1333 | } |
| 1334 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1335 | static int snd_cs4231_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1337 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1339 | snd_cs4231_close(chip, CS4231_MODE_PLAY); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1340 | chip->playback_substream = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | |
| 1342 | return 0; |
| 1343 | } |
| 1344 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1345 | static int snd_cs4231_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1346 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1347 | struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1348 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | snd_cs4231_close(chip, CS4231_MODE_RECORD); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1350 | chip->capture_substream = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | |
| 1352 | return 0; |
| 1353 | } |
| 1354 | |
| 1355 | /* XXX We can do some power-management, in particular on EBUS using |
| 1356 | * XXX the audio AUXIO register... |
| 1357 | */ |
| 1358 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1359 | static struct snd_pcm_ops snd_cs4231_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | .open = snd_cs4231_playback_open, |
| 1361 | .close = snd_cs4231_playback_close, |
| 1362 | .ioctl = snd_pcm_lib_ioctl, |
| 1363 | .hw_params = snd_cs4231_playback_hw_params, |
| 1364 | .hw_free = snd_cs4231_playback_hw_free, |
| 1365 | .prepare = snd_cs4231_playback_prepare, |
| 1366 | .trigger = snd_cs4231_trigger, |
| 1367 | .pointer = snd_cs4231_playback_pointer, |
| 1368 | }; |
| 1369 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1370 | static struct snd_pcm_ops snd_cs4231_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1371 | .open = snd_cs4231_capture_open, |
| 1372 | .close = snd_cs4231_capture_close, |
| 1373 | .ioctl = snd_pcm_lib_ioctl, |
| 1374 | .hw_params = snd_cs4231_capture_hw_params, |
| 1375 | .hw_free = snd_cs4231_capture_hw_free, |
| 1376 | .prepare = snd_cs4231_capture_prepare, |
| 1377 | .trigger = snd_cs4231_trigger, |
| 1378 | .pointer = snd_cs4231_capture_pointer, |
| 1379 | }; |
| 1380 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1381 | static int __init snd_cs4231_pcm(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1383 | struct snd_pcm *pcm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | int err; |
| 1385 | |
| 1386 | if ((err = snd_pcm_new(chip->card, "CS4231", 0, 1, 1, &pcm)) < 0) |
| 1387 | return err; |
| 1388 | |
| 1389 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops); |
| 1390 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops); |
| 1391 | |
| 1392 | /* global setup */ |
| 1393 | pcm->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; |
| 1395 | strcpy(pcm->name, "CS4231"); |
| 1396 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1397 | chip->p_dma.preallocate(chip, pcm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | |
| 1399 | chip->pcm = pcm; |
| 1400 | |
| 1401 | return 0; |
| 1402 | } |
| 1403 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1404 | static int __init snd_cs4231_timer(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1406 | struct snd_timer *timer; |
| 1407 | struct snd_timer_id tid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | int err; |
| 1409 | |
| 1410 | /* Timer initialization */ |
| 1411 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; |
| 1412 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; |
| 1413 | tid.card = chip->card->number; |
| 1414 | tid.device = 0; |
| 1415 | tid.subdevice = 0; |
| 1416 | if ((err = snd_timer_new(chip->card, "CS4231", &tid, &timer)) < 0) |
| 1417 | return err; |
| 1418 | strcpy(timer->name, "CS4231"); |
| 1419 | timer->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1420 | timer->hw = snd_cs4231_timer_table; |
| 1421 | chip->timer = timer; |
| 1422 | |
| 1423 | return 0; |
| 1424 | } |
| 1425 | |
| 1426 | /* |
| 1427 | * MIXER part |
| 1428 | */ |
| 1429 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1430 | static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, |
| 1431 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | { |
| 1433 | static char *texts[4] = { |
| 1434 | "Line", "CD", "Mic", "Mix" |
| 1435 | }; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1436 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1437 | |
| 1438 | snd_assert(chip->card != NULL, return -EINVAL); |
| 1439 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 1440 | uinfo->count = 2; |
| 1441 | uinfo->value.enumerated.items = 4; |
| 1442 | if (uinfo->value.enumerated.item > 3) |
| 1443 | uinfo->value.enumerated.item = 3; |
| 1444 | strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); |
| 1445 | |
| 1446 | return 0; |
| 1447 | } |
| 1448 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1449 | static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, |
| 1450 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1451 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1452 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | unsigned long flags; |
| 1454 | |
| 1455 | spin_lock_irqsave(&chip->lock, flags); |
| 1456 | ucontrol->value.enumerated.item[0] = |
| 1457 | (chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6; |
| 1458 | ucontrol->value.enumerated.item[1] = |
| 1459 | (chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6; |
| 1460 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1461 | |
| 1462 | return 0; |
| 1463 | } |
| 1464 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1465 | static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, |
| 1466 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1467 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1468 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1469 | unsigned long flags; |
| 1470 | unsigned short left, right; |
| 1471 | int change; |
| 1472 | |
| 1473 | if (ucontrol->value.enumerated.item[0] > 3 || |
| 1474 | ucontrol->value.enumerated.item[1] > 3) |
| 1475 | return -EINVAL; |
| 1476 | left = ucontrol->value.enumerated.item[0] << 6; |
| 1477 | right = ucontrol->value.enumerated.item[1] << 6; |
| 1478 | |
| 1479 | spin_lock_irqsave(&chip->lock, flags); |
| 1480 | |
| 1481 | left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left; |
| 1482 | right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right; |
| 1483 | change = left != chip->image[CS4231_LEFT_INPUT] || |
| 1484 | right != chip->image[CS4231_RIGHT_INPUT]; |
| 1485 | snd_cs4231_out(chip, CS4231_LEFT_INPUT, left); |
| 1486 | snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right); |
| 1487 | |
| 1488 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1489 | |
| 1490 | return change; |
| 1491 | } |
| 1492 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1493 | static int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, |
| 1494 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | { |
| 1496 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 1497 | |
| 1498 | uinfo->type = (mask == 1) ? |
| 1499 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1500 | uinfo->count = 1; |
| 1501 | uinfo->value.integer.min = 0; |
| 1502 | uinfo->value.integer.max = mask; |
| 1503 | |
| 1504 | return 0; |
| 1505 | } |
| 1506 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1507 | static int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, |
| 1508 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1510 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | unsigned long flags; |
| 1512 | int reg = kcontrol->private_value & 0xff; |
| 1513 | int shift = (kcontrol->private_value >> 8) & 0xff; |
| 1514 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 1515 | int invert = (kcontrol->private_value >> 24) & 0xff; |
| 1516 | |
| 1517 | spin_lock_irqsave(&chip->lock, flags); |
| 1518 | |
| 1519 | ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; |
| 1520 | |
| 1521 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1522 | |
| 1523 | if (invert) |
| 1524 | ucontrol->value.integer.value[0] = |
| 1525 | (mask - ucontrol->value.integer.value[0]); |
| 1526 | |
| 1527 | return 0; |
| 1528 | } |
| 1529 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1530 | static int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, |
| 1531 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1532 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1533 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1534 | unsigned long flags; |
| 1535 | int reg = kcontrol->private_value & 0xff; |
| 1536 | int shift = (kcontrol->private_value >> 8) & 0xff; |
| 1537 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 1538 | int invert = (kcontrol->private_value >> 24) & 0xff; |
| 1539 | int change; |
| 1540 | unsigned short val; |
| 1541 | |
| 1542 | val = (ucontrol->value.integer.value[0] & mask); |
| 1543 | if (invert) |
| 1544 | val = mask - val; |
| 1545 | val <<= shift; |
| 1546 | |
| 1547 | spin_lock_irqsave(&chip->lock, flags); |
| 1548 | |
| 1549 | val = (chip->image[reg] & ~(mask << shift)) | val; |
| 1550 | change = val != chip->image[reg]; |
| 1551 | snd_cs4231_out(chip, reg, val); |
| 1552 | |
| 1553 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1554 | |
| 1555 | return change; |
| 1556 | } |
| 1557 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1558 | static int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, |
| 1559 | struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1560 | { |
| 1561 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 1562 | |
| 1563 | uinfo->type = mask == 1 ? |
| 1564 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1565 | uinfo->count = 2; |
| 1566 | uinfo->value.integer.min = 0; |
| 1567 | uinfo->value.integer.max = mask; |
| 1568 | |
| 1569 | return 0; |
| 1570 | } |
| 1571 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1572 | static int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, |
| 1573 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1574 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1575 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1576 | unsigned long flags; |
| 1577 | int left_reg = kcontrol->private_value & 0xff; |
| 1578 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| 1579 | int shift_left = (kcontrol->private_value >> 16) & 0x07; |
| 1580 | int shift_right = (kcontrol->private_value >> 19) & 0x07; |
| 1581 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 1582 | int invert = (kcontrol->private_value >> 22) & 1; |
| 1583 | |
| 1584 | spin_lock_irqsave(&chip->lock, flags); |
| 1585 | |
| 1586 | ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; |
| 1587 | ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; |
| 1588 | |
| 1589 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1590 | |
| 1591 | if (invert) { |
| 1592 | ucontrol->value.integer.value[0] = |
| 1593 | (mask - ucontrol->value.integer.value[0]); |
| 1594 | ucontrol->value.integer.value[1] = |
| 1595 | (mask - ucontrol->value.integer.value[1]); |
| 1596 | } |
| 1597 | |
| 1598 | return 0; |
| 1599 | } |
| 1600 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1601 | static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, |
| 1602 | struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1603 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1604 | struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1605 | unsigned long flags; |
| 1606 | int left_reg = kcontrol->private_value & 0xff; |
| 1607 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| 1608 | int shift_left = (kcontrol->private_value >> 16) & 0x07; |
| 1609 | int shift_right = (kcontrol->private_value >> 19) & 0x07; |
| 1610 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 1611 | int invert = (kcontrol->private_value >> 22) & 1; |
| 1612 | int change; |
| 1613 | unsigned short val1, val2; |
| 1614 | |
| 1615 | val1 = ucontrol->value.integer.value[0] & mask; |
| 1616 | val2 = ucontrol->value.integer.value[1] & mask; |
| 1617 | if (invert) { |
| 1618 | val1 = mask - val1; |
| 1619 | val2 = mask - val2; |
| 1620 | } |
| 1621 | val1 <<= shift_left; |
| 1622 | val2 <<= shift_right; |
| 1623 | |
| 1624 | spin_lock_irqsave(&chip->lock, flags); |
| 1625 | |
| 1626 | val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; |
| 1627 | val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; |
| 1628 | change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; |
| 1629 | snd_cs4231_out(chip, left_reg, val1); |
| 1630 | snd_cs4231_out(chip, right_reg, val2); |
| 1631 | |
| 1632 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1633 | |
| 1634 | return change; |
| 1635 | } |
| 1636 | |
| 1637 | #define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \ |
| 1638 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 1639 | .info = snd_cs4231_info_single, \ |
| 1640 | .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \ |
| 1641 | .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } |
| 1642 | |
| 1643 | #define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ |
| 1644 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 1645 | .info = snd_cs4231_info_double, \ |
| 1646 | .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \ |
| 1647 | .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } |
| 1648 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1649 | static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1650 | CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), |
| 1651 | CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), |
| 1652 | CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), |
| 1653 | CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), |
| 1654 | CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), |
| 1655 | CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), |
| 1656 | CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), |
| 1657 | CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), |
| 1658 | CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1), |
| 1659 | CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), |
| 1660 | CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1), |
| 1661 | CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0), |
| 1662 | CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), |
| 1663 | { |
| 1664 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1665 | .name = "Capture Source", |
| 1666 | .info = snd_cs4231_info_mux, |
| 1667 | .get = snd_cs4231_get_mux, |
| 1668 | .put = snd_cs4231_put_mux, |
| 1669 | }, |
| 1670 | CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), |
| 1671 | CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0), |
| 1672 | CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1), |
| 1673 | /* SPARC specific uses of XCTL{0,1} general purpose outputs. */ |
| 1674 | CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1), |
| 1675 | CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1) |
| 1676 | }; |
| 1677 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1678 | static int __init snd_cs4231_mixer(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1679 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1680 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1681 | int err, idx; |
| 1682 | |
| 1683 | snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); |
| 1684 | |
| 1685 | card = chip->card; |
| 1686 | |
| 1687 | strcpy(card->mixername, chip->pcm->name); |
| 1688 | |
| 1689 | for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) { |
| 1690 | if ((err = snd_ctl_add(card, |
| 1691 | snd_ctl_new1(&snd_cs4231_controls[idx], |
| 1692 | chip))) < 0) |
| 1693 | return err; |
| 1694 | } |
| 1695 | return 0; |
| 1696 | } |
| 1697 | |
| 1698 | static int dev; |
| 1699 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1700 | static int __init cs4231_attach_begin(struct snd_card **rcard) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1701 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1702 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1703 | |
| 1704 | *rcard = NULL; |
| 1705 | |
| 1706 | if (dev >= SNDRV_CARDS) |
| 1707 | return -ENODEV; |
| 1708 | |
| 1709 | if (!enable[dev]) { |
| 1710 | dev++; |
| 1711 | return -ENOENT; |
| 1712 | } |
| 1713 | |
| 1714 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
| 1715 | if (card == NULL) |
| 1716 | return -ENOMEM; |
| 1717 | |
| 1718 | strcpy(card->driver, "CS4231"); |
| 1719 | strcpy(card->shortname, "Sun CS4231"); |
| 1720 | |
| 1721 | *rcard = card; |
| 1722 | return 0; |
| 1723 | } |
| 1724 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1725 | static int __init cs4231_attach_finish(struct snd_card *card, struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1726 | { |
| 1727 | int err; |
| 1728 | |
| 1729 | if ((err = snd_cs4231_pcm(chip)) < 0) |
| 1730 | goto out_err; |
| 1731 | |
| 1732 | if ((err = snd_cs4231_mixer(chip)) < 0) |
| 1733 | goto out_err; |
| 1734 | |
| 1735 | if ((err = snd_cs4231_timer(chip)) < 0) |
| 1736 | goto out_err; |
| 1737 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1738 | if ((err = snd_card_register(card)) < 0) |
| 1739 | goto out_err; |
| 1740 | |
| 1741 | chip->next = cs4231_list; |
| 1742 | cs4231_list = chip; |
| 1743 | |
| 1744 | dev++; |
| 1745 | return 0; |
| 1746 | |
| 1747 | out_err: |
| 1748 | snd_card_free(card); |
| 1749 | return err; |
| 1750 | } |
| 1751 | |
| 1752 | #ifdef SBUS_SUPPORT |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1753 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1754 | static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1755 | { |
| 1756 | unsigned long flags; |
| 1757 | unsigned char status; |
| 1758 | u32 csr; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1759 | struct snd_cs4231 *chip = dev_id; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1760 | |
| 1761 | /*This is IRQ is not raised by the cs4231*/ |
| 1762 | if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ)) |
| 1763 | return IRQ_NONE; |
| 1764 | |
| 1765 | /* ACK the APC interrupt. */ |
| 1766 | csr = sbus_readl(chip->port + APCCSR); |
| 1767 | |
| 1768 | sbus_writel(csr, chip->port + APCCSR); |
| 1769 | |
| 1770 | if ((csr & APC_PDMA_READY) && |
| 1771 | (csr & APC_PLAY_INT) && |
| 1772 | (csr & APC_XINT_PNVA) && |
| 1773 | !(csr & APC_XINT_EMPT)) |
| 1774 | snd_cs4231_play_callback(chip); |
| 1775 | |
| 1776 | if ((csr & APC_CDMA_READY) && |
| 1777 | (csr & APC_CAPT_INT) && |
| 1778 | (csr & APC_XINT_CNVA) && |
| 1779 | !(csr & APC_XINT_EMPT)) |
| 1780 | snd_cs4231_capture_callback(chip); |
| 1781 | |
| 1782 | status = snd_cs4231_in(chip, CS4231_IRQ_STATUS); |
| 1783 | |
| 1784 | if (status & CS4231_TIMER_IRQ) { |
| 1785 | if (chip->timer) |
| 1786 | snd_timer_interrupt(chip->timer, chip->timer->sticks); |
| 1787 | } |
| 1788 | |
| 1789 | if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY)) |
| 1790 | snd_cs4231_overrange(chip); |
| 1791 | |
| 1792 | /* ACK the CS4231 interrupt. */ |
| 1793 | spin_lock_irqsave(&chip->lock, flags); |
| 1794 | snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0); |
| 1795 | spin_unlock_irqrestore(&chip->lock, flags); |
| 1796 | |
Georg Chini | d35a1b9 | 2007-01-02 21:28:17 -0800 | [diff] [blame] | 1797 | return IRQ_HANDLED; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1798 | } |
| 1799 | |
| 1800 | /* |
| 1801 | * SBUS DMA routines |
| 1802 | */ |
| 1803 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1804 | static int sbus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1805 | { |
| 1806 | unsigned long flags; |
| 1807 | u32 test, csr; |
| 1808 | int err; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1809 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1810 | |
| 1811 | if (len >= (1 << 24)) |
| 1812 | return -EINVAL; |
| 1813 | spin_lock_irqsave(&base->lock, flags); |
| 1814 | csr = sbus_readl(base->regs + APCCSR); |
| 1815 | err = -EINVAL; |
| 1816 | test = APC_CDMA_READY; |
| 1817 | if ( base->dir == APC_PLAY ) |
| 1818 | test = APC_PDMA_READY; |
| 1819 | if (!(csr & test)) |
| 1820 | goto out; |
| 1821 | err = -EBUSY; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1822 | test = APC_XINT_CNVA; |
| 1823 | if ( base->dir == APC_PLAY ) |
| 1824 | test = APC_XINT_PNVA; |
| 1825 | if (!(csr & test)) |
| 1826 | goto out; |
| 1827 | err = 0; |
| 1828 | sbus_writel(bus_addr, base->regs + base->dir + APCNVA); |
| 1829 | sbus_writel(len, base->regs + base->dir + APCNC); |
| 1830 | out: |
| 1831 | spin_unlock_irqrestore(&base->lock, flags); |
| 1832 | return err; |
| 1833 | } |
| 1834 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1835 | static void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1836 | { |
| 1837 | unsigned long flags; |
| 1838 | u32 csr, test; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1839 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1840 | |
| 1841 | spin_lock_irqsave(&base->lock, flags); |
| 1842 | csr = sbus_readl(base->regs + APCCSR); |
| 1843 | test = APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA | |
| 1844 | APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL | |
| 1845 | APC_XINT_PENA; |
| 1846 | if ( base->dir == APC_RECORD ) |
| 1847 | test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA | |
| 1848 | APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL; |
| 1849 | csr |= test; |
| 1850 | sbus_writel(csr, base->regs + APCCSR); |
| 1851 | spin_unlock_irqrestore(&base->lock, flags); |
| 1852 | } |
| 1853 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1854 | static void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1855 | { |
| 1856 | unsigned long flags; |
| 1857 | u32 csr, shift; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1858 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1859 | |
| 1860 | spin_lock_irqsave(&base->lock, flags); |
| 1861 | if (!on) { |
Georg Chini | d35a1b9 | 2007-01-02 21:28:17 -0800 | [diff] [blame] | 1862 | sbus_writel(0, base->regs + base->dir + APCNC); |
| 1863 | sbus_writel(0, base->regs + base->dir + APCNVA); |
| 1864 | sbus_writel(0, base->regs + base->dir + APCC); |
| 1865 | sbus_writel(0, base->regs + base->dir + APCVA); |
| 1866 | |
| 1867 | /* ACK any APC interrupts. */ |
| 1868 | csr = sbus_readl(base->regs + APCCSR); |
| 1869 | sbus_writel(csr, base->regs + APCCSR); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1870 | } |
Georg Chini | d35a1b9 | 2007-01-02 21:28:17 -0800 | [diff] [blame] | 1871 | udelay(1000); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1872 | csr = sbus_readl(base->regs + APCCSR); |
| 1873 | shift = 0; |
| 1874 | if ( base->dir == APC_PLAY ) |
| 1875 | shift = 1; |
| 1876 | if (on) |
| 1877 | csr &= ~(APC_CPAUSE << shift); |
| 1878 | else |
| 1879 | csr |= (APC_CPAUSE << shift); |
| 1880 | sbus_writel(csr, base->regs + APCCSR); |
| 1881 | if (on) |
| 1882 | csr |= (APC_CDMA_READY << shift); |
| 1883 | else |
| 1884 | csr &= ~(APC_CDMA_READY << shift); |
| 1885 | sbus_writel(csr, base->regs + APCCSR); |
| 1886 | |
| 1887 | spin_unlock_irqrestore(&base->lock, flags); |
| 1888 | } |
| 1889 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1890 | static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1891 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1892 | struct sbus_dma_info *base = &dma_cont->sbus_info; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1893 | |
| 1894 | return sbus_readl(base->regs + base->dir + APCVA); |
| 1895 | } |
| 1896 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1897 | static void sbus_dma_reset(struct snd_cs4231 *chip) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1898 | { |
| 1899 | sbus_writel(APC_CHIP_RESET, chip->port + APCCSR); |
| 1900 | sbus_writel(0x00, chip->port + APCCSR); |
| 1901 | sbus_writel(sbus_readl(chip->port + APCCSR) | APC_CDC_RESET, |
| 1902 | chip->port + APCCSR); |
| 1903 | |
| 1904 | udelay(20); |
| 1905 | |
| 1906 | sbus_writel(sbus_readl(chip->port + APCCSR) & ~APC_CDC_RESET, |
| 1907 | chip->port + APCCSR); |
| 1908 | sbus_writel(sbus_readl(chip->port + APCCSR) | (APC_XINT_ENA | |
| 1909 | APC_XINT_PENA | |
| 1910 | APC_XINT_CENA), |
| 1911 | chip->port + APCCSR); |
| 1912 | } |
| 1913 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1914 | static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1915 | { |
| 1916 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS, |
| 1917 | snd_dma_sbus_data(chip->dev_u.sdev), |
| 1918 | 64*1024, 128*1024); |
| 1919 | } |
| 1920 | |
| 1921 | /* |
| 1922 | * Init and exit routines |
| 1923 | */ |
| 1924 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1925 | static int snd_cs4231_sbus_free(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1926 | { |
| 1927 | if (chip->irq[0]) |
| 1928 | free_irq(chip->irq[0], chip); |
| 1929 | |
| 1930 | if (chip->port) |
| 1931 | sbus_iounmap(chip->port, chip->regs_size); |
| 1932 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1933 | kfree(chip); |
| 1934 | |
| 1935 | return 0; |
| 1936 | } |
| 1937 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1938 | static int snd_cs4231_sbus_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1939 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1940 | struct snd_cs4231 *cp = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | |
| 1942 | return snd_cs4231_sbus_free(cp); |
| 1943 | } |
| 1944 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1945 | static struct snd_device_ops snd_cs4231_sbus_dev_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1946 | .dev_free = snd_cs4231_sbus_dev_free, |
| 1947 | }; |
| 1948 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1949 | static int __init snd_cs4231_sbus_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1950 | struct sbus_dev *sdev, |
| 1951 | int dev, |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1952 | struct snd_cs4231 **rchip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1953 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 1954 | struct snd_cs4231 *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1955 | int err; |
| 1956 | |
| 1957 | *rchip = NULL; |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 1958 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1959 | if (chip == NULL) |
| 1960 | return -ENOMEM; |
| 1961 | |
| 1962 | spin_lock_init(&chip->lock); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1963 | spin_lock_init(&chip->c_dma.sbus_info.lock); |
| 1964 | spin_lock_init(&chip->p_dma.sbus_info.lock); |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 1965 | mutex_init(&chip->mce_mutex); |
| 1966 | mutex_init(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1967 | chip->card = card; |
| 1968 | chip->dev_u.sdev = sdev; |
| 1969 | chip->regs_size = sdev->reg_addrs[0].reg_size; |
| 1970 | memcpy(&chip->image, &snd_cs4231_original_image, |
| 1971 | sizeof(snd_cs4231_original_image)); |
| 1972 | |
| 1973 | chip->port = sbus_ioremap(&sdev->resource[0], 0, |
| 1974 | chip->regs_size, "cs4231"); |
| 1975 | if (!chip->port) { |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 1976 | snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1977 | return -EIO; |
| 1978 | } |
| 1979 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 1980 | chip->c_dma.sbus_info.regs = chip->port; |
| 1981 | chip->p_dma.sbus_info.regs = chip->port; |
| 1982 | chip->c_dma.sbus_info.dir = APC_RECORD; |
| 1983 | chip->p_dma.sbus_info.dir = APC_PLAY; |
| 1984 | |
| 1985 | chip->p_dma.prepare = sbus_dma_prepare; |
| 1986 | chip->p_dma.enable = sbus_dma_enable; |
| 1987 | chip->p_dma.request = sbus_dma_request; |
| 1988 | chip->p_dma.address = sbus_dma_addr; |
| 1989 | chip->p_dma.reset = sbus_dma_reset; |
| 1990 | chip->p_dma.preallocate = sbus_dma_preallocate; |
| 1991 | |
| 1992 | chip->c_dma.prepare = sbus_dma_prepare; |
| 1993 | chip->c_dma.enable = sbus_dma_enable; |
| 1994 | chip->c_dma.request = sbus_dma_request; |
| 1995 | chip->c_dma.address = sbus_dma_addr; |
| 1996 | chip->c_dma.reset = sbus_dma_reset; |
| 1997 | chip->c_dma.preallocate = sbus_dma_preallocate; |
Georg Chini | 5a820fa | 2005-11-07 14:08:25 -0800 | [diff] [blame] | 1998 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1999 | if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt, |
Thomas Gleixner | 65ca68b | 2006-07-01 19:29:46 -0700 | [diff] [blame] | 2000 | IRQF_SHARED, "cs4231", chip)) { |
David S. Miller | c6387a4 | 2006-06-20 01:21:29 -0700 | [diff] [blame] | 2001 | snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n", |
| 2002 | dev, sdev->irqs[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2003 | snd_cs4231_sbus_free(chip); |
| 2004 | return -EBUSY; |
| 2005 | } |
| 2006 | chip->irq[0] = sdev->irqs[0]; |
| 2007 | |
| 2008 | if (snd_cs4231_probe(chip) < 0) { |
| 2009 | snd_cs4231_sbus_free(chip); |
| 2010 | return -ENODEV; |
| 2011 | } |
| 2012 | snd_cs4231_init(chip); |
| 2013 | |
| 2014 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, |
| 2015 | chip, &snd_cs4231_sbus_dev_ops)) < 0) { |
| 2016 | snd_cs4231_sbus_free(chip); |
| 2017 | return err; |
| 2018 | } |
| 2019 | |
| 2020 | *rchip = chip; |
| 2021 | return 0; |
| 2022 | } |
| 2023 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2024 | static int __init cs4231_sbus_attach(struct sbus_dev *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2025 | { |
| 2026 | struct resource *rp = &sdev->resource[0]; |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2027 | struct snd_cs4231 *cp; |
| 2028 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2029 | int err; |
| 2030 | |
| 2031 | err = cs4231_attach_begin(&card); |
| 2032 | if (err) |
| 2033 | return err; |
| 2034 | |
Andrew Morton | 5863aa6 | 2006-07-03 00:24:22 -0700 | [diff] [blame] | 2035 | sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2036 | card->shortname, |
| 2037 | rp->flags & 0xffL, |
Greg Kroah-Hartman | aa0a2dd | 2006-06-12 14:50:27 -0700 | [diff] [blame] | 2038 | (unsigned long long)rp->start, |
David S. Miller | c6387a4 | 2006-06-20 01:21:29 -0700 | [diff] [blame] | 2039 | sdev->irqs[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2040 | |
| 2041 | if ((err = snd_cs4231_sbus_create(card, sdev, dev, &cp)) < 0) { |
| 2042 | snd_card_free(card); |
| 2043 | return err; |
| 2044 | } |
| 2045 | |
| 2046 | return cs4231_attach_finish(card, cp); |
| 2047 | } |
| 2048 | #endif |
| 2049 | |
| 2050 | #ifdef EBUS_SUPPORT |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2051 | |
| 2052 | static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event, void *cookie) |
| 2053 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2054 | struct snd_cs4231 *chip = cookie; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2055 | |
| 2056 | snd_cs4231_play_callback(chip); |
| 2057 | } |
| 2058 | |
| 2059 | static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p, int event, void *cookie) |
| 2060 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2061 | struct snd_cs4231 *chip = cookie; |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2062 | |
| 2063 | snd_cs4231_capture_callback(chip); |
| 2064 | } |
| 2065 | |
| 2066 | /* |
| 2067 | * EBUS DMA wrappers |
| 2068 | */ |
| 2069 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2070 | static int _ebus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2071 | { |
| 2072 | return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len); |
| 2073 | } |
| 2074 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2075 | static void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2076 | { |
| 2077 | ebus_dma_enable(&dma_cont->ebus_info, on); |
| 2078 | } |
| 2079 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2080 | static void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2081 | { |
| 2082 | ebus_dma_prepare(&dma_cont->ebus_info, dir); |
| 2083 | } |
| 2084 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2085 | static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2086 | { |
| 2087 | return ebus_dma_addr(&dma_cont->ebus_info); |
| 2088 | } |
| 2089 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2090 | static void _ebus_dma_reset(struct snd_cs4231 *chip) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2091 | { |
| 2092 | return; |
| 2093 | } |
| 2094 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2095 | static void _ebus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2096 | { |
| 2097 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 2098 | snd_dma_pci_data(chip->dev_u.pdev), |
| 2099 | 64*1024, 128*1024); |
| 2100 | } |
| 2101 | |
| 2102 | /* |
| 2103 | * Init and exit routines |
| 2104 | */ |
| 2105 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2106 | static int snd_cs4231_ebus_free(struct snd_cs4231 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | { |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2108 | if (chip->c_dma.ebus_info.regs) { |
| 2109 | ebus_dma_unregister(&chip->c_dma.ebus_info); |
| 2110 | iounmap(chip->c_dma.ebus_info.regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2111 | } |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2112 | if (chip->p_dma.ebus_info.regs) { |
| 2113 | ebus_dma_unregister(&chip->p_dma.ebus_info); |
| 2114 | iounmap(chip->p_dma.ebus_info.regs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2115 | } |
| 2116 | |
| 2117 | if (chip->port) |
| 2118 | iounmap(chip->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2119 | |
| 2120 | kfree(chip); |
| 2121 | |
| 2122 | return 0; |
| 2123 | } |
| 2124 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2125 | static int snd_cs4231_ebus_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2126 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2127 | struct snd_cs4231 *cp = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2128 | |
| 2129 | return snd_cs4231_ebus_free(cp); |
| 2130 | } |
| 2131 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2132 | static struct snd_device_ops snd_cs4231_ebus_dev_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2133 | .dev_free = snd_cs4231_ebus_dev_free, |
| 2134 | }; |
| 2135 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2136 | static int __init snd_cs4231_ebus_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2137 | struct linux_ebus_device *edev, |
| 2138 | int dev, |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2139 | struct snd_cs4231 **rchip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2140 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2141 | struct snd_cs4231 *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2142 | int err; |
| 2143 | |
| 2144 | *rchip = NULL; |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 2145 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | if (chip == NULL) |
| 2147 | return -ENOMEM; |
| 2148 | |
| 2149 | spin_lock_init(&chip->lock); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2150 | spin_lock_init(&chip->c_dma.ebus_info.lock); |
| 2151 | spin_lock_init(&chip->p_dma.ebus_info.lock); |
Ingo Molnar | 12aa757 | 2006-01-16 16:36:05 +0100 | [diff] [blame] | 2152 | mutex_init(&chip->mce_mutex); |
| 2153 | mutex_init(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2154 | chip->flags |= CS4231_FLAG_EBUS; |
| 2155 | chip->card = card; |
| 2156 | chip->dev_u.pdev = edev->bus->self; |
| 2157 | memcpy(&chip->image, &snd_cs4231_original_image, |
| 2158 | sizeof(snd_cs4231_original_image)); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2159 | strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)"); |
| 2160 | chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; |
| 2161 | chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback; |
| 2162 | chip->c_dma.ebus_info.client_cookie = chip; |
| 2163 | chip->c_dma.ebus_info.irq = edev->irqs[0]; |
| 2164 | strcpy(chip->p_dma.ebus_info.name, "cs4231(play)"); |
| 2165 | chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; |
| 2166 | chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback; |
| 2167 | chip->p_dma.ebus_info.client_cookie = chip; |
| 2168 | chip->p_dma.ebus_info.irq = edev->irqs[1]; |
| 2169 | |
| 2170 | chip->p_dma.prepare = _ebus_dma_prepare; |
| 2171 | chip->p_dma.enable = _ebus_dma_enable; |
| 2172 | chip->p_dma.request = _ebus_dma_request; |
| 2173 | chip->p_dma.address = _ebus_dma_addr; |
| 2174 | chip->p_dma.reset = _ebus_dma_reset; |
| 2175 | chip->p_dma.preallocate = _ebus_dma_preallocate; |
| 2176 | |
| 2177 | chip->c_dma.prepare = _ebus_dma_prepare; |
| 2178 | chip->c_dma.enable = _ebus_dma_enable; |
| 2179 | chip->c_dma.request = _ebus_dma_request; |
| 2180 | chip->c_dma.address = _ebus_dma_addr; |
| 2181 | chip->c_dma.reset = _ebus_dma_reset; |
| 2182 | chip->c_dma.preallocate = _ebus_dma_preallocate; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2183 | |
| 2184 | chip->port = ioremap(edev->resource[0].start, 0x10); |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2185 | chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10); |
| 2186 | chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10); |
| 2187 | if (!chip->port || !chip->p_dma.ebus_info.regs || !chip->c_dma.ebus_info.regs) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2188 | snd_cs4231_ebus_free(chip); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 2189 | snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2190 | return -EIO; |
| 2191 | } |
| 2192 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2193 | if (ebus_dma_register(&chip->c_dma.ebus_info)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2194 | snd_cs4231_ebus_free(chip); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 2195 | snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | return -EBUSY; |
| 2197 | } |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2198 | if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2199 | snd_cs4231_ebus_free(chip); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 2200 | snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2201 | return -EBUSY; |
| 2202 | } |
| 2203 | |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2204 | if (ebus_dma_register(&chip->p_dma.ebus_info)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2205 | snd_cs4231_ebus_free(chip); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 2206 | snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2207 | return -EBUSY; |
| 2208 | } |
Georg Chini | b128254 | 2005-11-07 14:09:19 -0800 | [diff] [blame] | 2209 | if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2210 | snd_cs4231_ebus_free(chip); |
Christopher Zimmermann | a131430 | 2005-09-21 00:41:22 -0700 | [diff] [blame] | 2211 | snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2212 | return -EBUSY; |
| 2213 | } |
| 2214 | |
| 2215 | if (snd_cs4231_probe(chip) < 0) { |
| 2216 | snd_cs4231_ebus_free(chip); |
| 2217 | return -ENODEV; |
| 2218 | } |
| 2219 | snd_cs4231_init(chip); |
| 2220 | |
| 2221 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, |
| 2222 | chip, &snd_cs4231_ebus_dev_ops)) < 0) { |
| 2223 | snd_cs4231_ebus_free(chip); |
| 2224 | return err; |
| 2225 | } |
| 2226 | |
| 2227 | *rchip = chip; |
| 2228 | return 0; |
| 2229 | } |
| 2230 | |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2231 | static int __init cs4231_ebus_attach(struct linux_ebus_device *edev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2232 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2233 | struct snd_card *card; |
| 2234 | struct snd_cs4231 *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2235 | int err; |
| 2236 | |
| 2237 | err = cs4231_attach_begin(&card); |
| 2238 | if (err) |
| 2239 | return err; |
| 2240 | |
David S. Miller | c6387a4 | 2006-06-20 01:21:29 -0700 | [diff] [blame] | 2241 | sprintf(card->longname, "%s at 0x%lx, irq %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2242 | card->shortname, |
| 2243 | edev->resource[0].start, |
David S. Miller | c6387a4 | 2006-06-20 01:21:29 -0700 | [diff] [blame] | 2244 | edev->irqs[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | |
| 2246 | if ((err = snd_cs4231_ebus_create(card, edev, dev, &chip)) < 0) { |
| 2247 | snd_card_free(card); |
| 2248 | return err; |
| 2249 | } |
| 2250 | |
| 2251 | return cs4231_attach_finish(card, chip); |
| 2252 | } |
| 2253 | #endif |
| 2254 | |
| 2255 | static int __init cs4231_init(void) |
| 2256 | { |
| 2257 | #ifdef SBUS_SUPPORT |
| 2258 | struct sbus_bus *sbus; |
| 2259 | struct sbus_dev *sdev; |
| 2260 | #endif |
| 2261 | #ifdef EBUS_SUPPORT |
| 2262 | struct linux_ebus *ebus; |
| 2263 | struct linux_ebus_device *edev; |
| 2264 | #endif |
| 2265 | int found; |
| 2266 | |
| 2267 | found = 0; |
| 2268 | |
| 2269 | #ifdef SBUS_SUPPORT |
| 2270 | for_all_sbusdev(sdev, sbus) { |
| 2271 | if (!strcmp(sdev->prom_name, "SUNW,CS4231")) { |
| 2272 | if (cs4231_sbus_attach(sdev) == 0) |
| 2273 | found++; |
| 2274 | } |
| 2275 | } |
| 2276 | #endif |
| 2277 | #ifdef EBUS_SUPPORT |
| 2278 | for_each_ebus(ebus) { |
| 2279 | for_each_ebusdev(edev, ebus) { |
| 2280 | int match = 0; |
| 2281 | |
David S. Miller | 690c8fd | 2006-06-22 19:12:03 -0700 | [diff] [blame] | 2282 | if (!strcmp(edev->prom_node->name, "SUNW,CS4231")) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2283 | match = 1; |
David S. Miller | 690c8fd | 2006-06-22 19:12:03 -0700 | [diff] [blame] | 2284 | } else if (!strcmp(edev->prom_node->name, "audio")) { |
Stephen Rothwell | 3198514 | 2007-03-29 00:50:57 -0700 | [diff] [blame] | 2285 | const char *compat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2286 | |
David S. Miller | 690c8fd | 2006-06-22 19:12:03 -0700 | [diff] [blame] | 2287 | compat = of_get_property(edev->prom_node, |
| 2288 | "compatible", NULL); |
| 2289 | if (compat && !strcmp(compat, "SUNW,CS4231")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2290 | match = 1; |
| 2291 | } |
| 2292 | |
| 2293 | if (match && |
| 2294 | cs4231_ebus_attach(edev) == 0) |
| 2295 | found++; |
| 2296 | } |
| 2297 | } |
| 2298 | #endif |
| 2299 | |
| 2300 | |
| 2301 | return (found > 0) ? 0 : -EIO; |
| 2302 | } |
| 2303 | |
| 2304 | static void __exit cs4231_exit(void) |
| 2305 | { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2306 | struct snd_cs4231 *p = cs4231_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2307 | |
| 2308 | while (p != NULL) { |
Takashi Iwai | be9b7e8 | 2006-01-03 13:42:38 +0100 | [diff] [blame] | 2309 | struct snd_cs4231 *next = p->next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2310 | |
| 2311 | snd_card_free(p->card); |
| 2312 | |
| 2313 | p = next; |
| 2314 | } |
| 2315 | |
| 2316 | cs4231_list = NULL; |
| 2317 | } |
| 2318 | |
| 2319 | module_init(cs4231_init); |
| 2320 | module_exit(cs4231_exit); |