Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ALSA driver for ATI IXP 150/200/250/300 AC97 controllers |
| 3 | * |
| 4 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <sound/driver.h> |
| 23 | #include <asm/io.h> |
| 24 | #include <linux/delay.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/pci.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/moduleparam.h> |
| 30 | #include <sound/core.h> |
| 31 | #include <sound/pcm.h> |
| 32 | #include <sound/pcm_params.h> |
| 33 | #include <sound/info.h> |
| 34 | #include <sound/ac97_codec.h> |
| 35 | #include <sound/initval.h> |
| 36 | |
| 37 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); |
| 38 | MODULE_DESCRIPTION("ATI IXP AC97 controller"); |
| 39 | MODULE_LICENSE("GPL"); |
| 40 | MODULE_SUPPORTED_DEVICE("{{ATI,IXP150/200/250/300/400}}"); |
| 41 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 42 | static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ |
| 43 | static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
| 44 | static int ac97_clock = 48000; |
| 45 | static char *ac97_quirk; |
| 46 | static int spdif_aclink = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 48 | module_param(index, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | MODULE_PARM_DESC(index, "Index value for ATI IXP controller."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 50 | module_param(id, charp, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | MODULE_PARM_DESC(id, "ID string for ATI IXP controller."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 52 | module_param(ac97_clock, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 54 | module_param(ac97_quirk, charp, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 56 | module_param(spdif_aclink, bool, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); |
| 58 | |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 59 | /* just for backward compatibility */ |
| 60 | static int enable; |
Takashi Iwai | 698444f | 2005-10-20 16:53:49 +0200 | [diff] [blame] | 61 | module_param(enable, bool, 0444); |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
| 64 | /* |
| 65 | */ |
| 66 | |
| 67 | #define ATI_REG_ISR 0x00 /* interrupt source */ |
| 68 | #define ATI_REG_ISR_IN_XRUN (1U<<0) |
| 69 | #define ATI_REG_ISR_IN_STATUS (1U<<1) |
| 70 | #define ATI_REG_ISR_OUT_XRUN (1U<<2) |
| 71 | #define ATI_REG_ISR_OUT_STATUS (1U<<3) |
| 72 | #define ATI_REG_ISR_SPDF_XRUN (1U<<4) |
| 73 | #define ATI_REG_ISR_SPDF_STATUS (1U<<5) |
| 74 | #define ATI_REG_ISR_PHYS_INTR (1U<<8) |
| 75 | #define ATI_REG_ISR_PHYS_MISMATCH (1U<<9) |
| 76 | #define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10) |
| 77 | #define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11) |
| 78 | #define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12) |
| 79 | #define ATI_REG_ISR_NEW_FRAME (1U<<13) |
| 80 | |
| 81 | #define ATI_REG_IER 0x04 /* interrupt enable */ |
| 82 | #define ATI_REG_IER_IN_XRUN_EN (1U<<0) |
| 83 | #define ATI_REG_IER_IO_STATUS_EN (1U<<1) |
| 84 | #define ATI_REG_IER_OUT_XRUN_EN (1U<<2) |
| 85 | #define ATI_REG_IER_OUT_XRUN_COND (1U<<3) |
| 86 | #define ATI_REG_IER_SPDF_XRUN_EN (1U<<4) |
| 87 | #define ATI_REG_IER_SPDF_STATUS_EN (1U<<5) |
| 88 | #define ATI_REG_IER_PHYS_INTR_EN (1U<<8) |
| 89 | #define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9) |
| 90 | #define ATI_REG_IER_CODEC0_INTR_EN (1U<<10) |
| 91 | #define ATI_REG_IER_CODEC1_INTR_EN (1U<<11) |
| 92 | #define ATI_REG_IER_CODEC2_INTR_EN (1U<<12) |
| 93 | #define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO */ |
| 94 | #define ATI_REG_IER_SET_BUS_BUSY (1U<<14) /* (WO) audio is running */ |
| 95 | |
| 96 | #define ATI_REG_CMD 0x08 /* command */ |
| 97 | #define ATI_REG_CMD_POWERDOWN (1U<<0) |
| 98 | #define ATI_REG_CMD_RECEIVE_EN (1U<<1) |
| 99 | #define ATI_REG_CMD_SEND_EN (1U<<2) |
| 100 | #define ATI_REG_CMD_STATUS_MEM (1U<<3) |
| 101 | #define ATI_REG_CMD_SPDF_OUT_EN (1U<<4) |
| 102 | #define ATI_REG_CMD_SPDF_STATUS_MEM (1U<<5) |
| 103 | #define ATI_REG_CMD_SPDF_THRESHOLD (3U<<6) |
| 104 | #define ATI_REG_CMD_SPDF_THRESHOLD_SHIFT 6 |
| 105 | #define ATI_REG_CMD_IN_DMA_EN (1U<<8) |
| 106 | #define ATI_REG_CMD_OUT_DMA_EN (1U<<9) |
| 107 | #define ATI_REG_CMD_SPDF_DMA_EN (1U<<10) |
| 108 | #define ATI_REG_CMD_SPDF_OUT_STOPPED (1U<<11) |
| 109 | #define ATI_REG_CMD_SPDF_CONFIG_MASK (7U<<12) |
| 110 | #define ATI_REG_CMD_SPDF_CONFIG_34 (1U<<12) |
| 111 | #define ATI_REG_CMD_SPDF_CONFIG_78 (2U<<12) |
| 112 | #define ATI_REG_CMD_SPDF_CONFIG_69 (3U<<12) |
| 113 | #define ATI_REG_CMD_SPDF_CONFIG_01 (4U<<12) |
| 114 | #define ATI_REG_CMD_INTERLEAVE_SPDF (1U<<16) |
| 115 | #define ATI_REG_CMD_AUDIO_PRESENT (1U<<20) |
| 116 | #define ATI_REG_CMD_INTERLEAVE_IN (1U<<21) |
| 117 | #define ATI_REG_CMD_INTERLEAVE_OUT (1U<<22) |
| 118 | #define ATI_REG_CMD_LOOPBACK_EN (1U<<23) |
| 119 | #define ATI_REG_CMD_PACKED_DIS (1U<<24) |
| 120 | #define ATI_REG_CMD_BURST_EN (1U<<25) |
| 121 | #define ATI_REG_CMD_PANIC_EN (1U<<26) |
| 122 | #define ATI_REG_CMD_MODEM_PRESENT (1U<<27) |
| 123 | #define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28) |
| 124 | #define ATI_REG_CMD_AC_SOFT_RESET (1U<<29) |
| 125 | #define ATI_REG_CMD_AC_SYNC (1U<<30) |
| 126 | #define ATI_REG_CMD_AC_RESET (1U<<31) |
| 127 | |
| 128 | #define ATI_REG_PHYS_OUT_ADDR 0x0c |
| 129 | #define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0) |
| 130 | #define ATI_REG_PHYS_OUT_RW (1U<<2) |
| 131 | #define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8) |
| 132 | #define ATI_REG_PHYS_OUT_ADDR_SHIFT 9 |
| 133 | #define ATI_REG_PHYS_OUT_DATA_SHIFT 16 |
| 134 | |
| 135 | #define ATI_REG_PHYS_IN_ADDR 0x10 |
| 136 | #define ATI_REG_PHYS_IN_READ_FLAG (1U<<8) |
| 137 | #define ATI_REG_PHYS_IN_ADDR_SHIFT 9 |
| 138 | #define ATI_REG_PHYS_IN_DATA_SHIFT 16 |
| 139 | |
| 140 | #define ATI_REG_SLOTREQ 0x14 |
| 141 | |
| 142 | #define ATI_REG_COUNTER 0x18 |
| 143 | #define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */ |
| 144 | #define ATI_REG_COUNTER_BITCLOCK (31U<<8) |
| 145 | |
| 146 | #define ATI_REG_IN_FIFO_THRESHOLD 0x1c |
| 147 | |
| 148 | #define ATI_REG_IN_DMA_LINKPTR 0x20 |
| 149 | #define ATI_REG_IN_DMA_DT_START 0x24 /* RO */ |
| 150 | #define ATI_REG_IN_DMA_DT_NEXT 0x28 /* RO */ |
| 151 | #define ATI_REG_IN_DMA_DT_CUR 0x2c /* RO */ |
| 152 | #define ATI_REG_IN_DMA_DT_SIZE 0x30 |
| 153 | |
| 154 | #define ATI_REG_OUT_DMA_SLOT 0x34 |
| 155 | #define ATI_REG_OUT_DMA_SLOT_BIT(x) (1U << ((x) - 3)) |
| 156 | #define ATI_REG_OUT_DMA_SLOT_MASK 0x1ff |
| 157 | #define ATI_REG_OUT_DMA_THRESHOLD_MASK 0xf800 |
| 158 | #define ATI_REG_OUT_DMA_THRESHOLD_SHIFT 11 |
| 159 | |
| 160 | #define ATI_REG_OUT_DMA_LINKPTR 0x38 |
| 161 | #define ATI_REG_OUT_DMA_DT_START 0x3c /* RO */ |
| 162 | #define ATI_REG_OUT_DMA_DT_NEXT 0x40 /* RO */ |
| 163 | #define ATI_REG_OUT_DMA_DT_CUR 0x44 /* RO */ |
| 164 | #define ATI_REG_OUT_DMA_DT_SIZE 0x48 |
| 165 | |
| 166 | #define ATI_REG_SPDF_CMD 0x4c |
| 167 | #define ATI_REG_SPDF_CMD_LFSR (1U<<4) |
| 168 | #define ATI_REG_SPDF_CMD_SINGLE_CH (1U<<5) |
| 169 | #define ATI_REG_SPDF_CMD_LFSR_ACC (0xff<<8) /* RO */ |
| 170 | |
| 171 | #define ATI_REG_SPDF_DMA_LINKPTR 0x50 |
| 172 | #define ATI_REG_SPDF_DMA_DT_START 0x54 /* RO */ |
| 173 | #define ATI_REG_SPDF_DMA_DT_NEXT 0x58 /* RO */ |
| 174 | #define ATI_REG_SPDF_DMA_DT_CUR 0x5c /* RO */ |
| 175 | #define ATI_REG_SPDF_DMA_DT_SIZE 0x60 |
| 176 | |
| 177 | #define ATI_REG_MODEM_MIRROR 0x7c |
| 178 | #define ATI_REG_AUDIO_MIRROR 0x80 |
| 179 | |
| 180 | #define ATI_REG_6CH_REORDER 0x84 /* reorder slots for 6ch */ |
| 181 | #define ATI_REG_6CH_REORDER_EN (1U<<0) /* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */ |
| 182 | |
| 183 | #define ATI_REG_FIFO_FLUSH 0x88 |
| 184 | #define ATI_REG_FIFO_OUT_FLUSH (1U<<0) |
| 185 | #define ATI_REG_FIFO_IN_FLUSH (1U<<1) |
| 186 | |
| 187 | /* LINKPTR */ |
| 188 | #define ATI_REG_LINKPTR_EN (1U<<0) |
| 189 | |
| 190 | /* [INT|OUT|SPDIF]_DMA_DT_SIZE */ |
| 191 | #define ATI_REG_DMA_DT_SIZE (0xffffU<<0) |
| 192 | #define ATI_REG_DMA_FIFO_USED (0x1fU<<16) |
| 193 | #define ATI_REG_DMA_FIFO_FREE (0x1fU<<21) |
| 194 | #define ATI_REG_DMA_STATE (7U<<26) |
| 195 | |
| 196 | |
| 197 | #define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */ |
| 198 | |
| 199 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 200 | struct atiixp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
| 202 | /* |
| 203 | * DMA packate descriptor |
| 204 | */ |
| 205 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 206 | struct atiixp_dma_desc { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | u32 addr; /* DMA buffer address */ |
| 208 | u16 status; /* status bits */ |
| 209 | u16 size; /* size of the packet in dwords */ |
| 210 | u32 next; /* address of the next packet descriptor */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 211 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | |
| 213 | /* |
| 214 | * stream enum |
| 215 | */ |
| 216 | enum { ATI_DMA_PLAYBACK, ATI_DMA_CAPTURE, ATI_DMA_SPDIF, NUM_ATI_DMAS }; /* DMAs */ |
| 217 | enum { ATI_PCM_OUT, ATI_PCM_IN, ATI_PCM_SPDIF, NUM_ATI_PCMS }; /* AC97 pcm slots */ |
| 218 | enum { ATI_PCMDEV_ANALOG, ATI_PCMDEV_DIGITAL, NUM_ATI_PCMDEVS }; /* pcm devices */ |
| 219 | |
| 220 | #define NUM_ATI_CODECS 3 |
| 221 | |
| 222 | |
| 223 | /* |
| 224 | * constants and callbacks for each DMA type |
| 225 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 226 | struct atiixp_dma_ops { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | int type; /* ATI_DMA_XXX */ |
| 228 | unsigned int llp_offset; /* LINKPTR offset */ |
| 229 | unsigned int dt_cur; /* DT_CUR offset */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 230 | /* called from open callback */ |
| 231 | void (*enable_dma)(struct atiixp *chip, int on); |
| 232 | /* called from trigger (START/STOP) */ |
| 233 | void (*enable_transfer)(struct atiixp *chip, int on); |
| 234 | /* called from trigger (STOP only) */ |
| 235 | void (*flush_dma)(struct atiixp *chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | }; |
| 237 | |
| 238 | /* |
| 239 | * DMA stream |
| 240 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 241 | struct atiixp_dma { |
| 242 | const struct atiixp_dma_ops *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | struct snd_dma_buffer desc_buf; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 244 | struct snd_pcm_substream *substream; /* assigned PCM substream */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | unsigned int buf_addr, buf_bytes; /* DMA buffer address, bytes */ |
| 246 | unsigned int period_bytes, periods; |
| 247 | int opened; |
| 248 | int running; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 249 | int suspended; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | int pcm_open_flag; |
| 251 | int ac97_pcm_type; /* index # of ac97_pcm to access, -1 = not used */ |
| 252 | unsigned int saved_curptr; |
| 253 | }; |
| 254 | |
| 255 | /* |
| 256 | * ATI IXP chip |
| 257 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 258 | struct atiixp { |
| 259 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | struct pci_dev *pci; |
| 261 | |
| 262 | unsigned long addr; |
| 263 | void __iomem *remap_addr; |
| 264 | int irq; |
| 265 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 266 | struct snd_ac97_bus *ac97_bus; |
| 267 | struct snd_ac97 *ac97[NUM_ATI_CODECS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | |
| 269 | spinlock_t reg_lock; |
| 270 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 271 | struct atiixp_dma dmas[NUM_ATI_DMAS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | struct ac97_pcm *pcms[NUM_ATI_PCMS]; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 273 | struct snd_pcm *pcmdevs[NUM_ATI_PCMDEVS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | |
| 275 | int max_channels; /* max. channels for PCM out */ |
| 276 | |
| 277 | unsigned int codec_not_ready_bits; /* for codec detection */ |
| 278 | |
| 279 | int spdif_over_aclink; /* passed from the module option */ |
| 280 | struct semaphore open_mutex; /* playback open mutex */ |
| 281 | }; |
| 282 | |
| 283 | |
| 284 | /* |
| 285 | */ |
| 286 | static struct pci_device_id snd_atiixp_ids[] = { |
| 287 | { 0x1002, 0x4341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB200 */ |
| 288 | { 0x1002, 0x4361, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB300 */ |
| 289 | { 0x1002, 0x4370, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB400 */ |
| 290 | { 0, } |
| 291 | }; |
| 292 | |
| 293 | MODULE_DEVICE_TABLE(pci, snd_atiixp_ids); |
| 294 | |
| 295 | |
| 296 | /* |
| 297 | * lowlevel functions |
| 298 | */ |
| 299 | |
| 300 | /* |
| 301 | * update the bits of the given register. |
| 302 | * return 1 if the bits changed. |
| 303 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 304 | static int snd_atiixp_update_bits(struct atiixp *chip, unsigned int reg, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | unsigned int mask, unsigned int value) |
| 306 | { |
| 307 | void __iomem *addr = chip->remap_addr + reg; |
| 308 | unsigned int data, old_data; |
| 309 | old_data = data = readl(addr); |
| 310 | data &= ~mask; |
| 311 | data |= value; |
| 312 | if (old_data == data) |
| 313 | return 0; |
| 314 | writel(data, addr); |
| 315 | return 1; |
| 316 | } |
| 317 | |
| 318 | /* |
| 319 | * macros for easy use |
| 320 | */ |
| 321 | #define atiixp_write(chip,reg,value) \ |
| 322 | writel(value, chip->remap_addr + ATI_REG_##reg) |
| 323 | #define atiixp_read(chip,reg) \ |
| 324 | readl(chip->remap_addr + ATI_REG_##reg) |
| 325 | #define atiixp_update(chip,reg,mask,val) \ |
| 326 | snd_atiixp_update_bits(chip, ATI_REG_##reg, mask, val) |
| 327 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | /* |
| 329 | * handling DMA packets |
| 330 | * |
| 331 | * we allocate a linear buffer for the DMA, and split it to each packet. |
| 332 | * in a future version, a scatter-gather buffer should be implemented. |
| 333 | */ |
| 334 | |
| 335 | #define ATI_DESC_LIST_SIZE \ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 336 | PAGE_ALIGN(ATI_MAX_DESCRIPTORS * sizeof(struct atiixp_dma_desc)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
| 338 | /* |
| 339 | * build packets ring for the given buffer size. |
| 340 | * |
| 341 | * IXP handles the buffer descriptors, which are connected as a linked |
| 342 | * list. although we can change the list dynamically, in this version, |
| 343 | * a static RING of buffer descriptors is used. |
| 344 | * |
| 345 | * the ring is built in this function, and is set up to the hardware. |
| 346 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 347 | static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
| 348 | struct snd_pcm_substream *substream, |
| 349 | unsigned int periods, |
| 350 | unsigned int period_bytes) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | { |
| 352 | unsigned int i; |
| 353 | u32 addr, desc_addr; |
| 354 | unsigned long flags; |
| 355 | |
| 356 | if (periods > ATI_MAX_DESCRIPTORS) |
| 357 | return -ENOMEM; |
| 358 | |
| 359 | if (dma->desc_buf.area == NULL) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 360 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, |
| 361 | snd_dma_pci_data(chip->pci), |
| 362 | ATI_DESC_LIST_SIZE, |
| 363 | &dma->desc_buf) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | return -ENOMEM; |
| 365 | dma->period_bytes = dma->periods = 0; /* clear */ |
| 366 | } |
| 367 | |
| 368 | if (dma->periods == periods && dma->period_bytes == period_bytes) |
| 369 | return 0; |
| 370 | |
| 371 | /* reset DMA before changing the descriptor table */ |
| 372 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 373 | writel(0, chip->remap_addr + dma->ops->llp_offset); |
| 374 | dma->ops->enable_dma(chip, 0); |
| 375 | dma->ops->enable_dma(chip, 1); |
| 376 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 377 | |
| 378 | /* fill the entries */ |
| 379 | addr = (u32)substream->runtime->dma_addr; |
| 380 | desc_addr = (u32)dma->desc_buf.addr; |
| 381 | for (i = 0; i < periods; i++) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 382 | struct atiixp_dma_desc *desc; |
| 383 | desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | desc->addr = cpu_to_le32(addr); |
| 385 | desc->status = 0; |
| 386 | desc->size = period_bytes >> 2; /* in dwords */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 387 | desc_addr += sizeof(struct atiixp_dma_desc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | if (i == periods - 1) |
| 389 | desc->next = cpu_to_le32((u32)dma->desc_buf.addr); |
| 390 | else |
| 391 | desc->next = cpu_to_le32(desc_addr); |
| 392 | addr += period_bytes; |
| 393 | } |
| 394 | |
| 395 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, |
| 396 | chip->remap_addr + dma->ops->llp_offset); |
| 397 | |
| 398 | dma->period_bytes = period_bytes; |
| 399 | dma->periods = periods; |
| 400 | |
| 401 | return 0; |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * remove the ring buffer and release it if assigned |
| 406 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 407 | static void atiixp_clear_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
| 408 | struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | { |
| 410 | if (dma->desc_buf.area) { |
| 411 | writel(0, chip->remap_addr + dma->ops->llp_offset); |
| 412 | snd_dma_free_pages(&dma->desc_buf); |
| 413 | dma->desc_buf.area = NULL; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | * AC97 interface |
| 419 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 420 | static int snd_atiixp_acquire_codec(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | { |
| 422 | int timeout = 1000; |
| 423 | |
| 424 | while (atiixp_read(chip, PHYS_OUT_ADDR) & ATI_REG_PHYS_OUT_ADDR_EN) { |
| 425 | if (! timeout--) { |
| 426 | snd_printk(KERN_WARNING "atiixp: codec acquire timeout\n"); |
| 427 | return -EBUSY; |
| 428 | } |
| 429 | udelay(1); |
| 430 | } |
| 431 | return 0; |
| 432 | } |
| 433 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 434 | static unsigned short snd_atiixp_codec_read(struct atiixp *chip, unsigned short codec, unsigned short reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | { |
| 436 | unsigned int data; |
| 437 | int timeout; |
| 438 | |
| 439 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 440 | return 0xffff; |
| 441 | data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | |
| 442 | ATI_REG_PHYS_OUT_ADDR_EN | |
| 443 | ATI_REG_PHYS_OUT_RW | |
| 444 | codec; |
| 445 | atiixp_write(chip, PHYS_OUT_ADDR, data); |
| 446 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 447 | return 0xffff; |
| 448 | timeout = 1000; |
| 449 | do { |
| 450 | data = atiixp_read(chip, PHYS_IN_ADDR); |
| 451 | if (data & ATI_REG_PHYS_IN_READ_FLAG) |
| 452 | return data >> ATI_REG_PHYS_IN_DATA_SHIFT; |
| 453 | udelay(1); |
| 454 | } while (--timeout); |
| 455 | /* time out may happen during reset */ |
| 456 | if (reg < 0x7c) |
| 457 | snd_printk(KERN_WARNING "atiixp: codec read timeout (reg %x)\n", reg); |
| 458 | return 0xffff; |
| 459 | } |
| 460 | |
| 461 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 462 | static void snd_atiixp_codec_write(struct atiixp *chip, unsigned short codec, |
| 463 | unsigned short reg, unsigned short val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | { |
| 465 | unsigned int data; |
| 466 | |
| 467 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 468 | return; |
| 469 | data = ((unsigned int)val << ATI_REG_PHYS_OUT_DATA_SHIFT) | |
| 470 | ((unsigned int)reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | |
| 471 | ATI_REG_PHYS_OUT_ADDR_EN | codec; |
| 472 | atiixp_write(chip, PHYS_OUT_ADDR, data); |
| 473 | } |
| 474 | |
| 475 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 476 | static unsigned short snd_atiixp_ac97_read(struct snd_ac97 *ac97, |
| 477 | unsigned short reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 479 | struct atiixp *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | return snd_atiixp_codec_read(chip, ac97->num, reg); |
| 481 | |
| 482 | } |
| 483 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 484 | static void snd_atiixp_ac97_write(struct snd_ac97 *ac97, unsigned short reg, |
| 485 | unsigned short val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 487 | struct atiixp *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | snd_atiixp_codec_write(chip, ac97->num, reg, val); |
| 489 | } |
| 490 | |
| 491 | /* |
| 492 | * reset AC link |
| 493 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 494 | static int snd_atiixp_aclink_reset(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | { |
| 496 | int timeout; |
| 497 | |
| 498 | /* reset powerdoewn */ |
| 499 | if (atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN, 0)) |
| 500 | udelay(10); |
| 501 | |
| 502 | /* perform a software reset */ |
| 503 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, ATI_REG_CMD_AC_SOFT_RESET); |
| 504 | atiixp_read(chip, CMD); |
| 505 | udelay(10); |
| 506 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, 0); |
| 507 | |
| 508 | timeout = 10; |
| 509 | while (! (atiixp_read(chip, CMD) & ATI_REG_CMD_ACLINK_ACTIVE)) { |
| 510 | /* do a hard reset */ |
| 511 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, |
| 512 | ATI_REG_CMD_AC_SYNC); |
| 513 | atiixp_read(chip, CMD); |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 514 | mdelay(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_RESET); |
| 516 | if (--timeout) { |
| 517 | snd_printk(KERN_ERR "atiixp: codec reset timeout\n"); |
| 518 | break; |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | /* deassert RESET and assert SYNC to make sure */ |
| 523 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, |
| 524 | ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET); |
| 525 | |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | #ifdef CONFIG_PM |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 530 | static int snd_atiixp_aclink_down(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | { |
| 532 | // if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */ |
| 533 | // return -EBUSY; |
| 534 | atiixp_update(chip, CMD, |
| 535 | ATI_REG_CMD_POWERDOWN | ATI_REG_CMD_AC_RESET, |
| 536 | ATI_REG_CMD_POWERDOWN); |
| 537 | return 0; |
| 538 | } |
| 539 | #endif |
| 540 | |
| 541 | /* |
| 542 | * auto-detection of codecs |
| 543 | * |
| 544 | * the IXP chip can generate interrupts for the non-existing codecs. |
| 545 | * NEW_FRAME interrupt is used to make sure that the interrupt is generated |
| 546 | * even if all three codecs are connected. |
| 547 | */ |
| 548 | |
| 549 | #define ALL_CODEC_NOT_READY \ |
| 550 | (ATI_REG_ISR_CODEC0_NOT_READY |\ |
| 551 | ATI_REG_ISR_CODEC1_NOT_READY |\ |
| 552 | ATI_REG_ISR_CODEC2_NOT_READY) |
| 553 | #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME) |
| 554 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 555 | static int snd_atiixp_codec_detect(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | { |
| 557 | int timeout; |
| 558 | |
| 559 | chip->codec_not_ready_bits = 0; |
| 560 | atiixp_write(chip, IER, CODEC_CHECK_BITS); |
| 561 | /* wait for the interrupts */ |
Takashi Iwai | bfdcbac | 2005-11-17 10:35:53 +0100 | [diff] [blame] | 562 | timeout = 50; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | while (timeout-- > 0) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 564 | mdelay(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | if (chip->codec_not_ready_bits) |
| 566 | break; |
| 567 | } |
| 568 | atiixp_write(chip, IER, 0); /* disable irqs */ |
| 569 | |
| 570 | if ((chip->codec_not_ready_bits & ALL_CODEC_NOT_READY) == ALL_CODEC_NOT_READY) { |
| 571 | snd_printk(KERN_ERR "atiixp: no codec detected!\n"); |
| 572 | return -ENXIO; |
| 573 | } |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | |
| 578 | /* |
| 579 | * enable DMA and irqs |
| 580 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 581 | static int snd_atiixp_chip_start(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | { |
| 583 | unsigned int reg; |
| 584 | |
| 585 | /* set up spdif, enable burst mode */ |
| 586 | reg = atiixp_read(chip, CMD); |
| 587 | reg |= 0x02 << ATI_REG_CMD_SPDF_THRESHOLD_SHIFT; |
| 588 | reg |= ATI_REG_CMD_BURST_EN; |
| 589 | atiixp_write(chip, CMD, reg); |
| 590 | |
| 591 | reg = atiixp_read(chip, SPDF_CMD); |
| 592 | reg &= ~(ATI_REG_SPDF_CMD_LFSR|ATI_REG_SPDF_CMD_SINGLE_CH); |
| 593 | atiixp_write(chip, SPDF_CMD, reg); |
| 594 | |
| 595 | /* clear all interrupt source */ |
| 596 | atiixp_write(chip, ISR, 0xffffffff); |
| 597 | /* enable irqs */ |
| 598 | atiixp_write(chip, IER, |
| 599 | ATI_REG_IER_IO_STATUS_EN | |
| 600 | ATI_REG_IER_IN_XRUN_EN | |
| 601 | ATI_REG_IER_OUT_XRUN_EN | |
| 602 | ATI_REG_IER_SPDF_XRUN_EN | |
| 603 | ATI_REG_IER_SPDF_STATUS_EN); |
| 604 | return 0; |
| 605 | } |
| 606 | |
| 607 | |
| 608 | /* |
| 609 | * disable DMA and IRQs |
| 610 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 611 | static int snd_atiixp_chip_stop(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | { |
| 613 | /* clear interrupt source */ |
| 614 | atiixp_write(chip, ISR, atiixp_read(chip, ISR)); |
| 615 | /* disable irqs */ |
| 616 | atiixp_write(chip, IER, 0); |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | |
| 621 | /* |
| 622 | * PCM section |
| 623 | */ |
| 624 | |
| 625 | /* |
| 626 | * pointer callback simplly reads XXX_DMA_DT_CUR register as the current |
| 627 | * position. when SG-buffer is implemented, the offset must be calculated |
| 628 | * correctly... |
| 629 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 630 | static snd_pcm_uframes_t snd_atiixp_pcm_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 632 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 633 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 634 | struct atiixp_dma *dma = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | unsigned int curptr; |
| 636 | int timeout = 1000; |
| 637 | |
| 638 | while (timeout--) { |
| 639 | curptr = readl(chip->remap_addr + dma->ops->dt_cur); |
| 640 | if (curptr < dma->buf_addr) |
| 641 | continue; |
| 642 | curptr -= dma->buf_addr; |
| 643 | if (curptr >= dma->buf_bytes) |
| 644 | continue; |
| 645 | return bytes_to_frames(runtime, curptr); |
| 646 | } |
| 647 | snd_printd("atiixp: invalid DMA pointer read 0x%x (buf=%x)\n", |
| 648 | readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr); |
| 649 | return 0; |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * XRUN detected, and stop the PCM substream |
| 654 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 655 | static void snd_atiixp_xrun_dma(struct atiixp *chip, struct atiixp_dma *dma) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | { |
| 657 | if (! dma->substream || ! dma->running) |
| 658 | return; |
| 659 | snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type); |
| 660 | snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN); |
| 661 | } |
| 662 | |
| 663 | /* |
| 664 | * the period ack. update the substream. |
| 665 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 666 | static void snd_atiixp_update_dma(struct atiixp *chip, struct atiixp_dma *dma) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | { |
| 668 | if (! dma->substream || ! dma->running) |
| 669 | return; |
| 670 | snd_pcm_period_elapsed(dma->substream); |
| 671 | } |
| 672 | |
| 673 | /* set BUS_BUSY interrupt bit if any DMA is running */ |
| 674 | /* call with spinlock held */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 675 | static void snd_atiixp_check_bus_busy(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | { |
| 677 | unsigned int bus_busy; |
| 678 | if (atiixp_read(chip, CMD) & (ATI_REG_CMD_SEND_EN | |
| 679 | ATI_REG_CMD_RECEIVE_EN | |
| 680 | ATI_REG_CMD_SPDF_OUT_EN)) |
| 681 | bus_busy = ATI_REG_IER_SET_BUS_BUSY; |
| 682 | else |
| 683 | bus_busy = 0; |
| 684 | atiixp_update(chip, IER, ATI_REG_IER_SET_BUS_BUSY, bus_busy); |
| 685 | } |
| 686 | |
| 687 | /* common trigger callback |
| 688 | * calling the lowlevel callbacks in it |
| 689 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 690 | static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 692 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 693 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | int err = 0; |
| 695 | |
| 696 | snd_assert(dma->ops->enable_transfer && dma->ops->flush_dma, return -EINVAL); |
| 697 | |
| 698 | spin_lock(&chip->reg_lock); |
| 699 | switch (cmd) { |
| 700 | case SNDRV_PCM_TRIGGER_START: |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 701 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 702 | case SNDRV_PCM_TRIGGER_RESUME: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | dma->ops->enable_transfer(chip, 1); |
| 704 | dma->running = 1; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 705 | dma->suspended = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | break; |
| 707 | case SNDRV_PCM_TRIGGER_STOP: |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 708 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 709 | case SNDRV_PCM_TRIGGER_SUSPEND: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | dma->ops->enable_transfer(chip, 0); |
| 711 | dma->running = 0; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 712 | dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | break; |
| 714 | default: |
| 715 | err = -EINVAL; |
| 716 | break; |
| 717 | } |
| 718 | if (! err) { |
| 719 | snd_atiixp_check_bus_busy(chip); |
| 720 | if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 721 | dma->ops->flush_dma(chip); |
| 722 | snd_atiixp_check_bus_busy(chip); |
| 723 | } |
| 724 | } |
| 725 | spin_unlock(&chip->reg_lock); |
| 726 | return err; |
| 727 | } |
| 728 | |
| 729 | |
| 730 | /* |
| 731 | * lowlevel callbacks for each DMA type |
| 732 | * |
| 733 | * every callback is supposed to be called in chip->reg_lock spinlock |
| 734 | */ |
| 735 | |
| 736 | /* flush FIFO of analog OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 737 | static void atiixp_out_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | { |
| 739 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_OUT_FLUSH); |
| 740 | } |
| 741 | |
| 742 | /* enable/disable analog OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 743 | static void atiixp_out_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | { |
| 745 | unsigned int data; |
| 746 | data = atiixp_read(chip, CMD); |
| 747 | if (on) { |
| 748 | if (data & ATI_REG_CMD_OUT_DMA_EN) |
| 749 | return; |
| 750 | atiixp_out_flush_dma(chip); |
| 751 | data |= ATI_REG_CMD_OUT_DMA_EN; |
| 752 | } else |
| 753 | data &= ~ATI_REG_CMD_OUT_DMA_EN; |
| 754 | atiixp_write(chip, CMD, data); |
| 755 | } |
| 756 | |
| 757 | /* start/stop transfer over OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 758 | static void atiixp_out_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | { |
| 760 | atiixp_update(chip, CMD, ATI_REG_CMD_SEND_EN, |
| 761 | on ? ATI_REG_CMD_SEND_EN : 0); |
| 762 | } |
| 763 | |
| 764 | /* enable/disable analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 765 | static void atiixp_in_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | { |
| 767 | atiixp_update(chip, CMD, ATI_REG_CMD_IN_DMA_EN, |
| 768 | on ? ATI_REG_CMD_IN_DMA_EN : 0); |
| 769 | } |
| 770 | |
| 771 | /* start/stop analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 772 | static void atiixp_in_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 773 | { |
| 774 | if (on) { |
| 775 | unsigned int data = atiixp_read(chip, CMD); |
| 776 | if (! (data & ATI_REG_CMD_RECEIVE_EN)) { |
| 777 | data |= ATI_REG_CMD_RECEIVE_EN; |
| 778 | #if 0 /* FIXME: this causes the endless loop */ |
| 779 | /* wait until slot 3/4 are finished */ |
| 780 | while ((atiixp_read(chip, COUNTER) & |
| 781 | ATI_REG_COUNTER_SLOT) != 5) |
| 782 | ; |
| 783 | #endif |
| 784 | atiixp_write(chip, CMD, data); |
| 785 | } |
| 786 | } else |
| 787 | atiixp_update(chip, CMD, ATI_REG_CMD_RECEIVE_EN, 0); |
| 788 | } |
| 789 | |
| 790 | /* flush FIFO of analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 791 | static void atiixp_in_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | { |
| 793 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_IN_FLUSH); |
| 794 | } |
| 795 | |
| 796 | /* enable/disable SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 797 | static void atiixp_spdif_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | { |
| 799 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_DMA_EN, |
| 800 | on ? ATI_REG_CMD_SPDF_DMA_EN : 0); |
| 801 | } |
| 802 | |
| 803 | /* start/stop SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 804 | static void atiixp_spdif_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | { |
| 806 | unsigned int data; |
| 807 | data = atiixp_read(chip, CMD); |
| 808 | if (on) |
| 809 | data |= ATI_REG_CMD_SPDF_OUT_EN; |
| 810 | else |
| 811 | data &= ~ATI_REG_CMD_SPDF_OUT_EN; |
| 812 | atiixp_write(chip, CMD, data); |
| 813 | } |
| 814 | |
| 815 | /* flush FIFO of SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 816 | static void atiixp_spdif_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | { |
| 818 | int timeout; |
| 819 | |
| 820 | /* DMA off, transfer on */ |
| 821 | atiixp_spdif_enable_dma(chip, 0); |
| 822 | atiixp_spdif_enable_transfer(chip, 1); |
| 823 | |
| 824 | timeout = 100; |
| 825 | do { |
| 826 | if (! (atiixp_read(chip, SPDF_DMA_DT_SIZE) & ATI_REG_DMA_FIFO_USED)) |
| 827 | break; |
| 828 | udelay(1); |
| 829 | } while (timeout-- > 0); |
| 830 | |
| 831 | atiixp_spdif_enable_transfer(chip, 0); |
| 832 | } |
| 833 | |
| 834 | /* set up slots and formats for SPDIF OUT */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 835 | static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 837 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | |
| 839 | spin_lock_irq(&chip->reg_lock); |
| 840 | if (chip->spdif_over_aclink) { |
| 841 | unsigned int data; |
| 842 | /* enable slots 10/11 */ |
| 843 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, |
| 844 | ATI_REG_CMD_SPDF_CONFIG_01); |
| 845 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; |
| 846 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | |
| 847 | ATI_REG_OUT_DMA_SLOT_BIT(11); |
| 848 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; |
| 849 | atiixp_write(chip, OUT_DMA_SLOT, data); |
| 850 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, |
| 851 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 852 | ATI_REG_CMD_INTERLEAVE_OUT : 0); |
| 853 | } else { |
| 854 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0); |
| 855 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0); |
| 856 | } |
| 857 | spin_unlock_irq(&chip->reg_lock); |
| 858 | return 0; |
| 859 | } |
| 860 | |
| 861 | /* set up slots and formats for analog OUT */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 862 | static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 864 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | unsigned int data; |
| 866 | |
| 867 | spin_lock_irq(&chip->reg_lock); |
| 868 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; |
| 869 | switch (substream->runtime->channels) { |
| 870 | case 8: |
| 871 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | |
| 872 | ATI_REG_OUT_DMA_SLOT_BIT(11); |
| 873 | /* fallthru */ |
| 874 | case 6: |
| 875 | data |= ATI_REG_OUT_DMA_SLOT_BIT(7) | |
| 876 | ATI_REG_OUT_DMA_SLOT_BIT(8); |
| 877 | /* fallthru */ |
| 878 | case 4: |
| 879 | data |= ATI_REG_OUT_DMA_SLOT_BIT(6) | |
| 880 | ATI_REG_OUT_DMA_SLOT_BIT(9); |
| 881 | /* fallthru */ |
| 882 | default: |
| 883 | data |= ATI_REG_OUT_DMA_SLOT_BIT(3) | |
| 884 | ATI_REG_OUT_DMA_SLOT_BIT(4); |
| 885 | break; |
| 886 | } |
| 887 | |
| 888 | /* set output threshold */ |
| 889 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; |
| 890 | atiixp_write(chip, OUT_DMA_SLOT, data); |
| 891 | |
| 892 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, |
| 893 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 894 | ATI_REG_CMD_INTERLEAVE_OUT : 0); |
| 895 | |
| 896 | /* |
| 897 | * enable 6 channel re-ordering bit if needed |
| 898 | */ |
| 899 | atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN, |
| 900 | substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0); |
| 901 | |
| 902 | spin_unlock_irq(&chip->reg_lock); |
| 903 | return 0; |
| 904 | } |
| 905 | |
| 906 | /* set up slots and formats for analog IN */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 907 | static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 909 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | |
| 911 | spin_lock_irq(&chip->reg_lock); |
| 912 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN, |
| 913 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 914 | ATI_REG_CMD_INTERLEAVE_IN : 0); |
| 915 | spin_unlock_irq(&chip->reg_lock); |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | /* |
| 920 | * hw_params - allocate the buffer and set up buffer descriptors |
| 921 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 922 | static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream, |
| 923 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 925 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 926 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | int err; |
| 928 | |
| 929 | err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 930 | if (err < 0) |
| 931 | return err; |
| 932 | dma->buf_addr = substream->runtime->dma_addr; |
| 933 | dma->buf_bytes = params_buffer_bytes(hw_params); |
| 934 | |
| 935 | err = atiixp_build_dma_packets(chip, dma, substream, |
| 936 | params_periods(hw_params), |
| 937 | params_period_bytes(hw_params)); |
| 938 | if (err < 0) |
| 939 | return err; |
| 940 | |
| 941 | if (dma->ac97_pcm_type >= 0) { |
| 942 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; |
| 943 | /* PCM is bound to AC97 codec(s) |
| 944 | * set up the AC97 codecs |
| 945 | */ |
| 946 | if (dma->pcm_open_flag) { |
| 947 | snd_ac97_pcm_close(pcm); |
| 948 | dma->pcm_open_flag = 0; |
| 949 | } |
| 950 | err = snd_ac97_pcm_open(pcm, params_rate(hw_params), |
| 951 | params_channels(hw_params), |
| 952 | pcm->r[0].slots); |
| 953 | if (err >= 0) |
| 954 | dma->pcm_open_flag = 1; |
| 955 | } |
| 956 | |
| 957 | return err; |
| 958 | } |
| 959 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 960 | static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 962 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 963 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 964 | |
| 965 | if (dma->pcm_open_flag) { |
| 966 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; |
| 967 | snd_ac97_pcm_close(pcm); |
| 968 | dma->pcm_open_flag = 0; |
| 969 | } |
| 970 | atiixp_clear_dma_packets(chip, dma, substream); |
| 971 | snd_pcm_lib_free_pages(substream); |
| 972 | return 0; |
| 973 | } |
| 974 | |
| 975 | |
| 976 | /* |
| 977 | * pcm hardware definition, identical for all DMA types |
| 978 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 979 | static struct snd_pcm_hardware snd_atiixp_pcm_hw = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | { |
| 981 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 982 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 983 | SNDRV_PCM_INFO_PAUSE | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | SNDRV_PCM_INFO_RESUME | |
| 985 | SNDRV_PCM_INFO_MMAP_VALID), |
| 986 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, |
| 987 | .rates = SNDRV_PCM_RATE_48000, |
| 988 | .rate_min = 48000, |
| 989 | .rate_max = 48000, |
| 990 | .channels_min = 2, |
| 991 | .channels_max = 2, |
| 992 | .buffer_bytes_max = 256 * 1024, |
| 993 | .period_bytes_min = 32, |
| 994 | .period_bytes_max = 128 * 1024, |
| 995 | .periods_min = 2, |
| 996 | .periods_max = ATI_MAX_DESCRIPTORS, |
| 997 | }; |
| 998 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 999 | static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, |
| 1000 | struct atiixp_dma *dma, int pcm_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1002 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 1003 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | int err; |
| 1005 | |
| 1006 | snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); |
| 1007 | |
| 1008 | if (dma->opened) |
| 1009 | return -EBUSY; |
| 1010 | dma->substream = substream; |
| 1011 | runtime->hw = snd_atiixp_pcm_hw; |
| 1012 | dma->ac97_pcm_type = pcm_type; |
| 1013 | if (pcm_type >= 0) { |
| 1014 | runtime->hw.rates = chip->pcms[pcm_type]->rates; |
| 1015 | snd_pcm_limit_hw_rates(runtime); |
| 1016 | } else { |
| 1017 | /* direct SPDIF */ |
| 1018 | runtime->hw.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; |
| 1019 | } |
| 1020 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) |
| 1021 | return err; |
| 1022 | runtime->private_data = dma; |
| 1023 | |
| 1024 | /* enable DMA bits */ |
| 1025 | spin_lock_irq(&chip->reg_lock); |
| 1026 | dma->ops->enable_dma(chip, 1); |
| 1027 | spin_unlock_irq(&chip->reg_lock); |
| 1028 | dma->opened = 1; |
| 1029 | |
| 1030 | return 0; |
| 1031 | } |
| 1032 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1033 | static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, |
| 1034 | struct atiixp_dma *dma) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1036 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | /* disable DMA bits */ |
| 1038 | snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); |
| 1039 | spin_lock_irq(&chip->reg_lock); |
| 1040 | dma->ops->enable_dma(chip, 0); |
| 1041 | spin_unlock_irq(&chip->reg_lock); |
| 1042 | dma->substream = NULL; |
| 1043 | dma->opened = 0; |
| 1044 | return 0; |
| 1045 | } |
| 1046 | |
| 1047 | /* |
| 1048 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1049 | static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1051 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | int err; |
| 1053 | |
| 1054 | down(&chip->open_mutex); |
| 1055 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0); |
| 1056 | up(&chip->open_mutex); |
| 1057 | if (err < 0) |
| 1058 | return err; |
| 1059 | substream->runtime->hw.channels_max = chip->max_channels; |
| 1060 | if (chip->max_channels > 2) |
| 1061 | /* channels must be even */ |
| 1062 | snd_pcm_hw_constraint_step(substream->runtime, 0, |
| 1063 | SNDRV_PCM_HW_PARAM_CHANNELS, 2); |
| 1064 | return 0; |
| 1065 | } |
| 1066 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1067 | static int snd_atiixp_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1069 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | int err; |
| 1071 | down(&chip->open_mutex); |
| 1072 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1073 | up(&chip->open_mutex); |
| 1074 | return err; |
| 1075 | } |
| 1076 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1077 | static int snd_atiixp_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1079 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1); |
| 1081 | } |
| 1082 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1083 | static int snd_atiixp_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1085 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1086 | return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1087 | } |
| 1088 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1089 | static int snd_atiixp_spdif_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1091 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1092 | int err; |
| 1093 | down(&chip->open_mutex); |
| 1094 | if (chip->spdif_over_aclink) /* share DMA_PLAYBACK */ |
| 1095 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 2); |
| 1096 | else |
| 1097 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_SPDIF], -1); |
| 1098 | up(&chip->open_mutex); |
| 1099 | return err; |
| 1100 | } |
| 1101 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1102 | static int snd_atiixp_spdif_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1104 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | int err; |
| 1106 | down(&chip->open_mutex); |
| 1107 | if (chip->spdif_over_aclink) |
| 1108 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1109 | else |
| 1110 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_SPDIF]); |
| 1111 | up(&chip->open_mutex); |
| 1112 | return err; |
| 1113 | } |
| 1114 | |
| 1115 | /* AC97 playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1116 | static struct snd_pcm_ops snd_atiixp_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | .open = snd_atiixp_playback_open, |
| 1118 | .close = snd_atiixp_playback_close, |
| 1119 | .ioctl = snd_pcm_lib_ioctl, |
| 1120 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1121 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1122 | .prepare = snd_atiixp_playback_prepare, |
| 1123 | .trigger = snd_atiixp_pcm_trigger, |
| 1124 | .pointer = snd_atiixp_pcm_pointer, |
| 1125 | }; |
| 1126 | |
| 1127 | /* AC97 capture */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1128 | static struct snd_pcm_ops snd_atiixp_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | .open = snd_atiixp_capture_open, |
| 1130 | .close = snd_atiixp_capture_close, |
| 1131 | .ioctl = snd_pcm_lib_ioctl, |
| 1132 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1133 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1134 | .prepare = snd_atiixp_capture_prepare, |
| 1135 | .trigger = snd_atiixp_pcm_trigger, |
| 1136 | .pointer = snd_atiixp_pcm_pointer, |
| 1137 | }; |
| 1138 | |
| 1139 | /* SPDIF playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1140 | static struct snd_pcm_ops snd_atiixp_spdif_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | .open = snd_atiixp_spdif_open, |
| 1142 | .close = snd_atiixp_spdif_close, |
| 1143 | .ioctl = snd_pcm_lib_ioctl, |
| 1144 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1145 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1146 | .prepare = snd_atiixp_spdif_prepare, |
| 1147 | .trigger = snd_atiixp_pcm_trigger, |
| 1148 | .pointer = snd_atiixp_pcm_pointer, |
| 1149 | }; |
| 1150 | |
| 1151 | static struct ac97_pcm atiixp_pcm_defs[] __devinitdata = { |
| 1152 | /* front PCM */ |
| 1153 | { |
| 1154 | .exclusive = 1, |
| 1155 | .r = { { |
| 1156 | .slots = (1 << AC97_SLOT_PCM_LEFT) | |
| 1157 | (1 << AC97_SLOT_PCM_RIGHT) | |
| 1158 | (1 << AC97_SLOT_PCM_CENTER) | |
| 1159 | (1 << AC97_SLOT_PCM_SLEFT) | |
| 1160 | (1 << AC97_SLOT_PCM_SRIGHT) | |
| 1161 | (1 << AC97_SLOT_LFE) |
| 1162 | } |
| 1163 | } |
| 1164 | }, |
| 1165 | /* PCM IN #1 */ |
| 1166 | { |
| 1167 | .stream = 1, |
| 1168 | .exclusive = 1, |
| 1169 | .r = { { |
| 1170 | .slots = (1 << AC97_SLOT_PCM_LEFT) | |
| 1171 | (1 << AC97_SLOT_PCM_RIGHT) |
| 1172 | } |
| 1173 | } |
| 1174 | }, |
| 1175 | /* S/PDIF OUT (optional) */ |
| 1176 | { |
| 1177 | .exclusive = 1, |
| 1178 | .spdif = 1, |
| 1179 | .r = { { |
| 1180 | .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | |
| 1181 | (1 << AC97_SLOT_SPDIF_RIGHT2) |
| 1182 | } |
| 1183 | } |
| 1184 | }, |
| 1185 | }; |
| 1186 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1187 | static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1188 | .type = ATI_DMA_PLAYBACK, |
| 1189 | .llp_offset = ATI_REG_OUT_DMA_LINKPTR, |
| 1190 | .dt_cur = ATI_REG_OUT_DMA_DT_CUR, |
| 1191 | .enable_dma = atiixp_out_enable_dma, |
| 1192 | .enable_transfer = atiixp_out_enable_transfer, |
| 1193 | .flush_dma = atiixp_out_flush_dma, |
| 1194 | }; |
| 1195 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1196 | static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1197 | .type = ATI_DMA_CAPTURE, |
| 1198 | .llp_offset = ATI_REG_IN_DMA_LINKPTR, |
| 1199 | .dt_cur = ATI_REG_IN_DMA_DT_CUR, |
| 1200 | .enable_dma = atiixp_in_enable_dma, |
| 1201 | .enable_transfer = atiixp_in_enable_transfer, |
| 1202 | .flush_dma = atiixp_in_flush_dma, |
| 1203 | }; |
| 1204 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1205 | static struct atiixp_dma_ops snd_atiixp_spdif_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | .type = ATI_DMA_SPDIF, |
| 1207 | .llp_offset = ATI_REG_SPDF_DMA_LINKPTR, |
| 1208 | .dt_cur = ATI_REG_SPDF_DMA_DT_CUR, |
| 1209 | .enable_dma = atiixp_spdif_enable_dma, |
| 1210 | .enable_transfer = atiixp_spdif_enable_transfer, |
| 1211 | .flush_dma = atiixp_spdif_flush_dma, |
| 1212 | }; |
| 1213 | |
| 1214 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1215 | static int __devinit snd_atiixp_pcm_new(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1216 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1217 | struct snd_pcm *pcm; |
| 1218 | struct snd_ac97_bus *pbus = chip->ac97_bus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | int err, i, num_pcms; |
| 1220 | |
| 1221 | /* initialize constants */ |
| 1222 | chip->dmas[ATI_DMA_PLAYBACK].ops = &snd_atiixp_playback_dma_ops; |
| 1223 | chip->dmas[ATI_DMA_CAPTURE].ops = &snd_atiixp_capture_dma_ops; |
| 1224 | if (! chip->spdif_over_aclink) |
| 1225 | chip->dmas[ATI_DMA_SPDIF].ops = &snd_atiixp_spdif_dma_ops; |
| 1226 | |
| 1227 | /* assign AC97 pcm */ |
| 1228 | if (chip->spdif_over_aclink) |
| 1229 | num_pcms = 3; |
| 1230 | else |
| 1231 | num_pcms = 2; |
| 1232 | err = snd_ac97_pcm_assign(pbus, num_pcms, atiixp_pcm_defs); |
| 1233 | if (err < 0) |
| 1234 | return err; |
| 1235 | for (i = 0; i < num_pcms; i++) |
| 1236 | chip->pcms[i] = &pbus->pcms[i]; |
| 1237 | |
| 1238 | chip->max_channels = 2; |
| 1239 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { |
| 1240 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_LFE)) |
| 1241 | chip->max_channels = 6; |
| 1242 | else |
| 1243 | chip->max_channels = 4; |
| 1244 | } |
| 1245 | |
| 1246 | /* PCM #0: analog I/O */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1247 | err = snd_pcm_new(chip->card, "ATI IXP AC97", |
| 1248 | ATI_PCMDEV_ANALOG, 1, 1, &pcm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | if (err < 0) |
| 1250 | return err; |
| 1251 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops); |
| 1252 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops); |
| 1253 | pcm->private_data = chip; |
| 1254 | strcpy(pcm->name, "ATI IXP AC97"); |
| 1255 | chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm; |
| 1256 | |
| 1257 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1258 | snd_dma_pci_data(chip->pci), |
| 1259 | 64*1024, 128*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1260 | |
| 1261 | /* no SPDIF support on codec? */ |
| 1262 | if (chip->pcms[ATI_PCM_SPDIF] && ! chip->pcms[ATI_PCM_SPDIF]->rates) |
| 1263 | return 0; |
| 1264 | |
| 1265 | /* FIXME: non-48k sample rate doesn't work on my test machine with AD1888 */ |
| 1266 | if (chip->pcms[ATI_PCM_SPDIF]) |
| 1267 | chip->pcms[ATI_PCM_SPDIF]->rates = SNDRV_PCM_RATE_48000; |
| 1268 | |
| 1269 | /* PCM #1: spdif playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1270 | err = snd_pcm_new(chip->card, "ATI IXP IEC958", |
| 1271 | ATI_PCMDEV_DIGITAL, 1, 0, &pcm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1272 | if (err < 0) |
| 1273 | return err; |
| 1274 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_spdif_ops); |
| 1275 | pcm->private_data = chip; |
| 1276 | if (chip->spdif_over_aclink) |
| 1277 | strcpy(pcm->name, "ATI IXP IEC958 (AC97)"); |
| 1278 | else |
| 1279 | strcpy(pcm->name, "ATI IXP IEC958 (Direct)"); |
| 1280 | chip->pcmdevs[ATI_PCMDEV_DIGITAL] = pcm; |
| 1281 | |
| 1282 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1283 | snd_dma_pci_data(chip->pci), |
| 1284 | 64*1024, 128*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | |
| 1286 | /* pre-select AC97 SPDIF slots 10/11 */ |
| 1287 | for (i = 0; i < NUM_ATI_CODECS; i++) { |
| 1288 | if (chip->ac97[i]) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1289 | snd_ac97_update_bits(chip->ac97[i], |
| 1290 | AC97_EXTENDED_STATUS, |
| 1291 | 0x03 << 4, 0x03 << 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | } |
| 1293 | |
| 1294 | return 0; |
| 1295 | } |
| 1296 | |
| 1297 | |
| 1298 | |
| 1299 | /* |
| 1300 | * interrupt handler |
| 1301 | */ |
| 1302 | static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| 1303 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1304 | struct atiixp *chip = dev_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1305 | unsigned int status; |
| 1306 | |
| 1307 | status = atiixp_read(chip, ISR); |
| 1308 | |
| 1309 | if (! status) |
| 1310 | return IRQ_NONE; |
| 1311 | |
| 1312 | /* process audio DMA */ |
| 1313 | if (status & ATI_REG_ISR_OUT_XRUN) |
| 1314 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1315 | else if (status & ATI_REG_ISR_OUT_STATUS) |
| 1316 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1317 | if (status & ATI_REG_ISR_IN_XRUN) |
| 1318 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1319 | else if (status & ATI_REG_ISR_IN_STATUS) |
| 1320 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1321 | if (! chip->spdif_over_aclink) { |
| 1322 | if (status & ATI_REG_ISR_SPDF_XRUN) |
| 1323 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); |
| 1324 | else if (status & ATI_REG_ISR_SPDF_STATUS) |
| 1325 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); |
| 1326 | } |
| 1327 | |
| 1328 | /* for codec detection */ |
| 1329 | if (status & CODEC_CHECK_BITS) { |
| 1330 | unsigned int detected; |
| 1331 | detected = status & CODEC_CHECK_BITS; |
| 1332 | spin_lock(&chip->reg_lock); |
| 1333 | chip->codec_not_ready_bits |= detected; |
| 1334 | atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ |
| 1335 | spin_unlock(&chip->reg_lock); |
| 1336 | } |
| 1337 | |
| 1338 | /* ack */ |
| 1339 | atiixp_write(chip, ISR, status); |
| 1340 | |
| 1341 | return IRQ_HANDLED; |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | /* |
| 1346 | * ac97 mixer section |
| 1347 | */ |
| 1348 | |
| 1349 | static struct ac97_quirk ac97_quirks[] __devinitdata = { |
| 1350 | { |
Jaroslav Kysela | 69ad07c | 2005-05-30 14:48:16 +0200 | [diff] [blame] | 1351 | .subvendor = 0x103c, |
| 1352 | .subdevice = 0x006b, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | .name = "HP Pavilion ZV5030US", |
| 1354 | .type = AC97_TUNE_MUTE_LED |
| 1355 | }, |
Matthew Garrett | a0faefe | 2005-12-06 13:59:12 +0100 | [diff] [blame^] | 1356 | { |
| 1357 | .subvendor = 0x103c, |
| 1358 | .subdevice = 0x308b, |
| 1359 | .name = "HP nx6125", |
| 1360 | .type = AC97_TUNE_MUTE_LED |
| 1361 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1362 | { } /* terminator */ |
| 1363 | }; |
| 1364 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1365 | static int __devinit snd_atiixp_mixer_new(struct atiixp *chip, int clock, |
| 1366 | const char *quirk_override) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1368 | struct snd_ac97_bus *pbus; |
| 1369 | struct snd_ac97_template ac97; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | int i, err; |
| 1371 | int codec_count; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1372 | static struct snd_ac97_bus_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1373 | .write = snd_atiixp_ac97_write, |
| 1374 | .read = snd_atiixp_ac97_read, |
| 1375 | }; |
| 1376 | static unsigned int codec_skip[NUM_ATI_CODECS] = { |
| 1377 | ATI_REG_ISR_CODEC0_NOT_READY, |
| 1378 | ATI_REG_ISR_CODEC1_NOT_READY, |
| 1379 | ATI_REG_ISR_CODEC2_NOT_READY, |
| 1380 | }; |
| 1381 | |
| 1382 | if (snd_atiixp_codec_detect(chip) < 0) |
| 1383 | return -ENXIO; |
| 1384 | |
| 1385 | if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) |
| 1386 | return err; |
| 1387 | pbus->clock = clock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1388 | chip->ac97_bus = pbus; |
| 1389 | |
| 1390 | codec_count = 0; |
| 1391 | for (i = 0; i < NUM_ATI_CODECS; i++) { |
| 1392 | if (chip->codec_not_ready_bits & codec_skip[i]) |
| 1393 | continue; |
| 1394 | memset(&ac97, 0, sizeof(ac97)); |
| 1395 | ac97.private_data = chip; |
| 1396 | ac97.pci = chip->pci; |
| 1397 | ac97.num = i; |
| 1398 | ac97.scaps = AC97_SCAP_SKIP_MODEM; |
| 1399 | if (! chip->spdif_over_aclink) |
| 1400 | ac97.scaps |= AC97_SCAP_NO_SPDIF; |
| 1401 | if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { |
| 1402 | chip->ac97[i] = NULL; /* to be sure */ |
| 1403 | snd_printdd("atiixp: codec %d not available for audio\n", i); |
| 1404 | continue; |
| 1405 | } |
| 1406 | codec_count++; |
| 1407 | } |
| 1408 | |
| 1409 | if (! codec_count) { |
| 1410 | snd_printk(KERN_ERR "atiixp: no codec available\n"); |
| 1411 | return -ENODEV; |
| 1412 | } |
| 1413 | |
| 1414 | snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); |
| 1415 | |
| 1416 | return 0; |
| 1417 | } |
| 1418 | |
| 1419 | |
| 1420 | #ifdef CONFIG_PM |
| 1421 | /* |
| 1422 | * power management |
| 1423 | */ |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1424 | static int snd_atiixp_suspend(struct pci_dev *pci, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1425 | { |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1426 | struct snd_card *card = pci_get_drvdata(pci); |
| 1427 | struct atiixp *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1428 | int i; |
| 1429 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1430 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1431 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
| 1432 | if (chip->pcmdevs[i]) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1433 | struct atiixp_dma *dma = &chip->dmas[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | if (dma->substream && dma->running) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1435 | dma->saved_curptr = readl(chip->remap_addr + |
| 1436 | dma->ops->dt_cur); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1437 | snd_pcm_suspend_all(chip->pcmdevs[i]); |
| 1438 | } |
| 1439 | for (i = 0; i < NUM_ATI_CODECS; i++) |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1440 | snd_ac97_suspend(chip->ac97[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | snd_atiixp_aclink_down(chip); |
| 1442 | snd_atiixp_chip_stop(chip); |
| 1443 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1444 | pci_set_power_state(pci, PCI_D3hot); |
| 1445 | pci_disable_device(pci); |
| 1446 | pci_save_state(pci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1447 | return 0; |
| 1448 | } |
| 1449 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1450 | static int snd_atiixp_resume(struct pci_dev *pci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1451 | { |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1452 | struct snd_card *card = pci_get_drvdata(pci); |
| 1453 | struct atiixp *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1454 | int i; |
| 1455 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1456 | pci_restore_state(pci); |
| 1457 | pci_enable_device(pci); |
| 1458 | pci_set_power_state(pci, PCI_D0); |
| 1459 | pci_set_master(pci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1460 | |
| 1461 | snd_atiixp_aclink_reset(chip); |
| 1462 | snd_atiixp_chip_start(chip); |
| 1463 | |
| 1464 | for (i = 0; i < NUM_ATI_CODECS; i++) |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1465 | snd_ac97_resume(chip->ac97[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1466 | |
| 1467 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
| 1468 | if (chip->pcmdevs[i]) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1469 | struct atiixp_dma *dma = &chip->dmas[i]; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 1470 | if (dma->substream && dma->suspended) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1471 | dma->ops->enable_dma(chip, 1); |
Takashi Iwai | 8e3d759 | 2005-09-01 11:56:34 +0200 | [diff] [blame] | 1472 | dma->substream->ops->prepare(dma->substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1473 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, |
| 1474 | chip->remap_addr + dma->ops->llp_offset); |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1475 | writel(dma->saved_curptr, chip->remap_addr + |
| 1476 | dma->ops->dt_cur); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1477 | } |
| 1478 | } |
| 1479 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1480 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1481 | return 0; |
| 1482 | } |
| 1483 | #endif /* CONFIG_PM */ |
| 1484 | |
| 1485 | |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1486 | #ifdef CONFIG_PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1487 | /* |
| 1488 | * proc interface for register dump |
| 1489 | */ |
| 1490 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1491 | static void snd_atiixp_proc_read(struct snd_info_entry *entry, |
| 1492 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1493 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1494 | struct atiixp *chip = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | int i; |
| 1496 | |
| 1497 | for (i = 0; i < 256; i += 4) |
| 1498 | snd_iprintf(buffer, "%02x: %08x\n", i, readl(chip->remap_addr + i)); |
| 1499 | } |
| 1500 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1501 | static void __devinit snd_atiixp_proc_init(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1503 | struct snd_info_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1504 | |
| 1505 | if (! snd_card_proc_new(chip->card, "atiixp", &entry)) |
| 1506 | snd_info_set_text_ops(entry, chip, 1024, snd_atiixp_proc_read); |
| 1507 | } |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1508 | #else /* !CONFIG_PROC_FS */ |
| 1509 | #define snd_atiixp_proc_init(chip) |
| 1510 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | |
| 1512 | |
| 1513 | /* |
| 1514 | * destructor |
| 1515 | */ |
| 1516 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1517 | static int snd_atiixp_free(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1518 | { |
| 1519 | if (chip->irq < 0) |
| 1520 | goto __hw_end; |
| 1521 | snd_atiixp_chip_stop(chip); |
| 1522 | synchronize_irq(chip->irq); |
| 1523 | __hw_end: |
| 1524 | if (chip->irq >= 0) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1525 | free_irq(chip->irq, chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1526 | if (chip->remap_addr) |
| 1527 | iounmap(chip->remap_addr); |
| 1528 | pci_release_regions(chip->pci); |
| 1529 | pci_disable_device(chip->pci); |
| 1530 | kfree(chip); |
| 1531 | return 0; |
| 1532 | } |
| 1533 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1534 | static int snd_atiixp_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1536 | struct atiixp *chip = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1537 | return snd_atiixp_free(chip); |
| 1538 | } |
| 1539 | |
| 1540 | /* |
| 1541 | * constructor for chip instance |
| 1542 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1543 | static int __devinit snd_atiixp_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1544 | struct pci_dev *pci, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1545 | struct atiixp **r_chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1546 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1547 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1548 | .dev_free = snd_atiixp_dev_free, |
| 1549 | }; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1550 | struct atiixp *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1551 | int err; |
| 1552 | |
| 1553 | if ((err = pci_enable_device(pci)) < 0) |
| 1554 | return err; |
| 1555 | |
Takashi Iwai | e560d8d | 2005-09-09 14:21:46 +0200 | [diff] [blame] | 1556 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1557 | if (chip == NULL) { |
| 1558 | pci_disable_device(pci); |
| 1559 | return -ENOMEM; |
| 1560 | } |
| 1561 | |
| 1562 | spin_lock_init(&chip->reg_lock); |
| 1563 | init_MUTEX(&chip->open_mutex); |
| 1564 | chip->card = card; |
| 1565 | chip->pci = pci; |
| 1566 | chip->irq = -1; |
| 1567 | if ((err = pci_request_regions(pci, "ATI IXP AC97")) < 0) { |
| 1568 | pci_disable_device(pci); |
| 1569 | kfree(chip); |
| 1570 | return err; |
| 1571 | } |
| 1572 | chip->addr = pci_resource_start(pci, 0); |
| 1573 | chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci, 0)); |
| 1574 | if (chip->remap_addr == NULL) { |
| 1575 | snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); |
| 1576 | snd_atiixp_free(chip); |
| 1577 | return -EIO; |
| 1578 | } |
| 1579 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1580 | if (request_irq(pci->irq, snd_atiixp_interrupt, SA_INTERRUPT|SA_SHIRQ, |
| 1581 | card->shortname, chip)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1582 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
| 1583 | snd_atiixp_free(chip); |
| 1584 | return -EBUSY; |
| 1585 | } |
| 1586 | chip->irq = pci->irq; |
| 1587 | pci_set_master(pci); |
| 1588 | synchronize_irq(chip->irq); |
| 1589 | |
| 1590 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 1591 | snd_atiixp_free(chip); |
| 1592 | return err; |
| 1593 | } |
| 1594 | |
| 1595 | snd_card_set_dev(card, &pci->dev); |
| 1596 | |
| 1597 | *r_chip = chip; |
| 1598 | return 0; |
| 1599 | } |
| 1600 | |
| 1601 | |
| 1602 | static int __devinit snd_atiixp_probe(struct pci_dev *pci, |
| 1603 | const struct pci_device_id *pci_id) |
| 1604 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1605 | struct snd_card *card; |
| 1606 | struct atiixp *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1607 | unsigned char revision; |
| 1608 | int err; |
| 1609 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1610 | card = snd_card_new(index, id, THIS_MODULE, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1611 | if (card == NULL) |
| 1612 | return -ENOMEM; |
| 1613 | |
| 1614 | pci_read_config_byte(pci, PCI_REVISION_ID, &revision); |
| 1615 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1616 | strcpy(card->driver, spdif_aclink ? "ATIIXP" : "ATIIXP-SPDMA"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1617 | strcpy(card->shortname, "ATI IXP"); |
| 1618 | if ((err = snd_atiixp_create(card, pci, &chip)) < 0) |
| 1619 | goto __error; |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1620 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1621 | |
| 1622 | if ((err = snd_atiixp_aclink_reset(chip)) < 0) |
| 1623 | goto __error; |
| 1624 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1625 | chip->spdif_over_aclink = spdif_aclink; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1626 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1627 | if ((err = snd_atiixp_mixer_new(chip, ac97_clock, ac97_quirk)) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | goto __error; |
| 1629 | |
| 1630 | if ((err = snd_atiixp_pcm_new(chip)) < 0) |
| 1631 | goto __error; |
| 1632 | |
| 1633 | snd_atiixp_proc_init(chip); |
| 1634 | |
| 1635 | snd_atiixp_chip_start(chip); |
| 1636 | |
| 1637 | snprintf(card->longname, sizeof(card->longname), |
| 1638 | "%s rev %x with %s at %#lx, irq %i", card->shortname, revision, |
| 1639 | chip->ac97[0] ? snd_ac97_get_short_name(chip->ac97[0]) : "?", |
| 1640 | chip->addr, chip->irq); |
| 1641 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1642 | if ((err = snd_card_register(card)) < 0) |
| 1643 | goto __error; |
| 1644 | |
| 1645 | pci_set_drvdata(pci, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1646 | return 0; |
| 1647 | |
| 1648 | __error: |
| 1649 | snd_card_free(card); |
| 1650 | return err; |
| 1651 | } |
| 1652 | |
| 1653 | static void __devexit snd_atiixp_remove(struct pci_dev *pci) |
| 1654 | { |
| 1655 | snd_card_free(pci_get_drvdata(pci)); |
| 1656 | pci_set_drvdata(pci, NULL); |
| 1657 | } |
| 1658 | |
| 1659 | static struct pci_driver driver = { |
| 1660 | .name = "ATI IXP AC97 controller", |
| 1661 | .id_table = snd_atiixp_ids, |
| 1662 | .probe = snd_atiixp_probe, |
| 1663 | .remove = __devexit_p(snd_atiixp_remove), |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1664 | #ifdef CONFIG_PM |
| 1665 | .suspend = snd_atiixp_suspend, |
| 1666 | .resume = snd_atiixp_resume, |
| 1667 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | }; |
| 1669 | |
| 1670 | |
| 1671 | static int __init alsa_card_atiixp_init(void) |
| 1672 | { |
Takashi Iwai | 01d25d4 | 2005-04-11 16:58:24 +0200 | [diff] [blame] | 1673 | return pci_register_driver(&driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | } |
| 1675 | |
| 1676 | static void __exit alsa_card_atiixp_exit(void) |
| 1677 | { |
| 1678 | pci_unregister_driver(&driver); |
| 1679 | } |
| 1680 | |
| 1681 | module_init(alsa_card_atiixp_init) |
| 1682 | module_exit(alsa_card_atiixp_exit) |