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> |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 30 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <sound/core.h> |
| 32 | #include <sound/pcm.h> |
| 33 | #include <sound/pcm_params.h> |
| 34 | #include <sound/info.h> |
| 35 | #include <sound/ac97_codec.h> |
| 36 | #include <sound/initval.h> |
| 37 | |
| 38 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); |
| 39 | MODULE_DESCRIPTION("ATI IXP AC97 controller"); |
| 40 | MODULE_LICENSE("GPL"); |
| 41 | MODULE_SUPPORTED_DEVICE("{{ATI,IXP150/200/250/300/400}}"); |
| 42 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 43 | static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ |
| 44 | static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
| 45 | static int ac97_clock = 48000; |
| 46 | static char *ac97_quirk; |
| 47 | static int spdif_aclink = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 49 | module_param(index, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | MODULE_PARM_DESC(index, "Index value for ATI IXP controller."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 51 | module_param(id, charp, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | MODULE_PARM_DESC(id, "ID string for ATI IXP controller."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 53 | module_param(ac97_clock, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 55 | module_param(ac97_quirk, charp, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 57 | module_param(spdif_aclink, bool, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); |
| 59 | |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 60 | /* just for backward compatibility */ |
| 61 | static int enable; |
Takashi Iwai | 698444f | 2005-10-20 16:53:49 +0200 | [diff] [blame] | 62 | module_param(enable, bool, 0444); |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 63 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | |
| 65 | /* |
| 66 | */ |
| 67 | |
| 68 | #define ATI_REG_ISR 0x00 /* interrupt source */ |
| 69 | #define ATI_REG_ISR_IN_XRUN (1U<<0) |
| 70 | #define ATI_REG_ISR_IN_STATUS (1U<<1) |
| 71 | #define ATI_REG_ISR_OUT_XRUN (1U<<2) |
| 72 | #define ATI_REG_ISR_OUT_STATUS (1U<<3) |
| 73 | #define ATI_REG_ISR_SPDF_XRUN (1U<<4) |
| 74 | #define ATI_REG_ISR_SPDF_STATUS (1U<<5) |
| 75 | #define ATI_REG_ISR_PHYS_INTR (1U<<8) |
| 76 | #define ATI_REG_ISR_PHYS_MISMATCH (1U<<9) |
| 77 | #define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10) |
| 78 | #define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11) |
| 79 | #define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12) |
| 80 | #define ATI_REG_ISR_NEW_FRAME (1U<<13) |
| 81 | |
| 82 | #define ATI_REG_IER 0x04 /* interrupt enable */ |
| 83 | #define ATI_REG_IER_IN_XRUN_EN (1U<<0) |
| 84 | #define ATI_REG_IER_IO_STATUS_EN (1U<<1) |
| 85 | #define ATI_REG_IER_OUT_XRUN_EN (1U<<2) |
| 86 | #define ATI_REG_IER_OUT_XRUN_COND (1U<<3) |
| 87 | #define ATI_REG_IER_SPDF_XRUN_EN (1U<<4) |
| 88 | #define ATI_REG_IER_SPDF_STATUS_EN (1U<<5) |
| 89 | #define ATI_REG_IER_PHYS_INTR_EN (1U<<8) |
| 90 | #define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9) |
| 91 | #define ATI_REG_IER_CODEC0_INTR_EN (1U<<10) |
| 92 | #define ATI_REG_IER_CODEC1_INTR_EN (1U<<11) |
| 93 | #define ATI_REG_IER_CODEC2_INTR_EN (1U<<12) |
| 94 | #define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO */ |
| 95 | #define ATI_REG_IER_SET_BUS_BUSY (1U<<14) /* (WO) audio is running */ |
| 96 | |
| 97 | #define ATI_REG_CMD 0x08 /* command */ |
| 98 | #define ATI_REG_CMD_POWERDOWN (1U<<0) |
| 99 | #define ATI_REG_CMD_RECEIVE_EN (1U<<1) |
| 100 | #define ATI_REG_CMD_SEND_EN (1U<<2) |
| 101 | #define ATI_REG_CMD_STATUS_MEM (1U<<3) |
| 102 | #define ATI_REG_CMD_SPDF_OUT_EN (1U<<4) |
| 103 | #define ATI_REG_CMD_SPDF_STATUS_MEM (1U<<5) |
| 104 | #define ATI_REG_CMD_SPDF_THRESHOLD (3U<<6) |
| 105 | #define ATI_REG_CMD_SPDF_THRESHOLD_SHIFT 6 |
| 106 | #define ATI_REG_CMD_IN_DMA_EN (1U<<8) |
| 107 | #define ATI_REG_CMD_OUT_DMA_EN (1U<<9) |
| 108 | #define ATI_REG_CMD_SPDF_DMA_EN (1U<<10) |
| 109 | #define ATI_REG_CMD_SPDF_OUT_STOPPED (1U<<11) |
| 110 | #define ATI_REG_CMD_SPDF_CONFIG_MASK (7U<<12) |
| 111 | #define ATI_REG_CMD_SPDF_CONFIG_34 (1U<<12) |
| 112 | #define ATI_REG_CMD_SPDF_CONFIG_78 (2U<<12) |
| 113 | #define ATI_REG_CMD_SPDF_CONFIG_69 (3U<<12) |
| 114 | #define ATI_REG_CMD_SPDF_CONFIG_01 (4U<<12) |
| 115 | #define ATI_REG_CMD_INTERLEAVE_SPDF (1U<<16) |
| 116 | #define ATI_REG_CMD_AUDIO_PRESENT (1U<<20) |
| 117 | #define ATI_REG_CMD_INTERLEAVE_IN (1U<<21) |
| 118 | #define ATI_REG_CMD_INTERLEAVE_OUT (1U<<22) |
| 119 | #define ATI_REG_CMD_LOOPBACK_EN (1U<<23) |
| 120 | #define ATI_REG_CMD_PACKED_DIS (1U<<24) |
| 121 | #define ATI_REG_CMD_BURST_EN (1U<<25) |
| 122 | #define ATI_REG_CMD_PANIC_EN (1U<<26) |
| 123 | #define ATI_REG_CMD_MODEM_PRESENT (1U<<27) |
| 124 | #define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28) |
| 125 | #define ATI_REG_CMD_AC_SOFT_RESET (1U<<29) |
| 126 | #define ATI_REG_CMD_AC_SYNC (1U<<30) |
| 127 | #define ATI_REG_CMD_AC_RESET (1U<<31) |
| 128 | |
| 129 | #define ATI_REG_PHYS_OUT_ADDR 0x0c |
| 130 | #define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0) |
| 131 | #define ATI_REG_PHYS_OUT_RW (1U<<2) |
| 132 | #define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8) |
| 133 | #define ATI_REG_PHYS_OUT_ADDR_SHIFT 9 |
| 134 | #define ATI_REG_PHYS_OUT_DATA_SHIFT 16 |
| 135 | |
| 136 | #define ATI_REG_PHYS_IN_ADDR 0x10 |
| 137 | #define ATI_REG_PHYS_IN_READ_FLAG (1U<<8) |
| 138 | #define ATI_REG_PHYS_IN_ADDR_SHIFT 9 |
| 139 | #define ATI_REG_PHYS_IN_DATA_SHIFT 16 |
| 140 | |
| 141 | #define ATI_REG_SLOTREQ 0x14 |
| 142 | |
| 143 | #define ATI_REG_COUNTER 0x18 |
| 144 | #define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */ |
| 145 | #define ATI_REG_COUNTER_BITCLOCK (31U<<8) |
| 146 | |
| 147 | #define ATI_REG_IN_FIFO_THRESHOLD 0x1c |
| 148 | |
| 149 | #define ATI_REG_IN_DMA_LINKPTR 0x20 |
| 150 | #define ATI_REG_IN_DMA_DT_START 0x24 /* RO */ |
| 151 | #define ATI_REG_IN_DMA_DT_NEXT 0x28 /* RO */ |
| 152 | #define ATI_REG_IN_DMA_DT_CUR 0x2c /* RO */ |
| 153 | #define ATI_REG_IN_DMA_DT_SIZE 0x30 |
| 154 | |
| 155 | #define ATI_REG_OUT_DMA_SLOT 0x34 |
| 156 | #define ATI_REG_OUT_DMA_SLOT_BIT(x) (1U << ((x) - 3)) |
| 157 | #define ATI_REG_OUT_DMA_SLOT_MASK 0x1ff |
| 158 | #define ATI_REG_OUT_DMA_THRESHOLD_MASK 0xf800 |
| 159 | #define ATI_REG_OUT_DMA_THRESHOLD_SHIFT 11 |
| 160 | |
| 161 | #define ATI_REG_OUT_DMA_LINKPTR 0x38 |
| 162 | #define ATI_REG_OUT_DMA_DT_START 0x3c /* RO */ |
| 163 | #define ATI_REG_OUT_DMA_DT_NEXT 0x40 /* RO */ |
| 164 | #define ATI_REG_OUT_DMA_DT_CUR 0x44 /* RO */ |
| 165 | #define ATI_REG_OUT_DMA_DT_SIZE 0x48 |
| 166 | |
| 167 | #define ATI_REG_SPDF_CMD 0x4c |
| 168 | #define ATI_REG_SPDF_CMD_LFSR (1U<<4) |
| 169 | #define ATI_REG_SPDF_CMD_SINGLE_CH (1U<<5) |
| 170 | #define ATI_REG_SPDF_CMD_LFSR_ACC (0xff<<8) /* RO */ |
| 171 | |
| 172 | #define ATI_REG_SPDF_DMA_LINKPTR 0x50 |
| 173 | #define ATI_REG_SPDF_DMA_DT_START 0x54 /* RO */ |
| 174 | #define ATI_REG_SPDF_DMA_DT_NEXT 0x58 /* RO */ |
| 175 | #define ATI_REG_SPDF_DMA_DT_CUR 0x5c /* RO */ |
| 176 | #define ATI_REG_SPDF_DMA_DT_SIZE 0x60 |
| 177 | |
| 178 | #define ATI_REG_MODEM_MIRROR 0x7c |
| 179 | #define ATI_REG_AUDIO_MIRROR 0x80 |
| 180 | |
| 181 | #define ATI_REG_6CH_REORDER 0x84 /* reorder slots for 6ch */ |
| 182 | #define ATI_REG_6CH_REORDER_EN (1U<<0) /* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */ |
| 183 | |
| 184 | #define ATI_REG_FIFO_FLUSH 0x88 |
| 185 | #define ATI_REG_FIFO_OUT_FLUSH (1U<<0) |
| 186 | #define ATI_REG_FIFO_IN_FLUSH (1U<<1) |
| 187 | |
| 188 | /* LINKPTR */ |
| 189 | #define ATI_REG_LINKPTR_EN (1U<<0) |
| 190 | |
| 191 | /* [INT|OUT|SPDIF]_DMA_DT_SIZE */ |
| 192 | #define ATI_REG_DMA_DT_SIZE (0xffffU<<0) |
| 193 | #define ATI_REG_DMA_FIFO_USED (0x1fU<<16) |
| 194 | #define ATI_REG_DMA_FIFO_FREE (0x1fU<<21) |
| 195 | #define ATI_REG_DMA_STATE (7U<<26) |
| 196 | |
| 197 | |
| 198 | #define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */ |
| 199 | |
| 200 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 201 | struct atiixp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
| 203 | /* |
| 204 | * DMA packate descriptor |
| 205 | */ |
| 206 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 207 | struct atiixp_dma_desc { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | u32 addr; /* DMA buffer address */ |
| 209 | u16 status; /* status bits */ |
| 210 | u16 size; /* size of the packet in dwords */ |
| 211 | u32 next; /* address of the next packet descriptor */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 212 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | |
| 214 | /* |
| 215 | * stream enum |
| 216 | */ |
| 217 | enum { ATI_DMA_PLAYBACK, ATI_DMA_CAPTURE, ATI_DMA_SPDIF, NUM_ATI_DMAS }; /* DMAs */ |
| 218 | enum { ATI_PCM_OUT, ATI_PCM_IN, ATI_PCM_SPDIF, NUM_ATI_PCMS }; /* AC97 pcm slots */ |
| 219 | enum { ATI_PCMDEV_ANALOG, ATI_PCMDEV_DIGITAL, NUM_ATI_PCMDEVS }; /* pcm devices */ |
| 220 | |
| 221 | #define NUM_ATI_CODECS 3 |
| 222 | |
| 223 | |
| 224 | /* |
| 225 | * constants and callbacks for each DMA type |
| 226 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 227 | struct atiixp_dma_ops { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | int type; /* ATI_DMA_XXX */ |
| 229 | unsigned int llp_offset; /* LINKPTR offset */ |
| 230 | unsigned int dt_cur; /* DT_CUR offset */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 231 | /* called from open callback */ |
| 232 | void (*enable_dma)(struct atiixp *chip, int on); |
| 233 | /* called from trigger (START/STOP) */ |
| 234 | void (*enable_transfer)(struct atiixp *chip, int on); |
| 235 | /* called from trigger (STOP only) */ |
| 236 | void (*flush_dma)(struct atiixp *chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | }; |
| 238 | |
| 239 | /* |
| 240 | * DMA stream |
| 241 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 242 | struct atiixp_dma { |
| 243 | const struct atiixp_dma_ops *ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | struct snd_dma_buffer desc_buf; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 245 | struct snd_pcm_substream *substream; /* assigned PCM substream */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | unsigned int buf_addr, buf_bytes; /* DMA buffer address, bytes */ |
| 247 | unsigned int period_bytes, periods; |
| 248 | int opened; |
| 249 | int running; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 250 | int suspended; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | int pcm_open_flag; |
| 252 | int ac97_pcm_type; /* index # of ac97_pcm to access, -1 = not used */ |
| 253 | unsigned int saved_curptr; |
| 254 | }; |
| 255 | |
| 256 | /* |
| 257 | * ATI IXP chip |
| 258 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 259 | struct atiixp { |
| 260 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | struct pci_dev *pci; |
| 262 | |
| 263 | unsigned long addr; |
| 264 | void __iomem *remap_addr; |
| 265 | int irq; |
| 266 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 267 | struct snd_ac97_bus *ac97_bus; |
| 268 | struct snd_ac97 *ac97[NUM_ATI_CODECS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | |
| 270 | spinlock_t reg_lock; |
| 271 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 272 | struct atiixp_dma dmas[NUM_ATI_DMAS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | struct ac97_pcm *pcms[NUM_ATI_PCMS]; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 274 | struct snd_pcm *pcmdevs[NUM_ATI_PCMDEVS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | |
| 276 | int max_channels; /* max. channels for PCM out */ |
| 277 | |
| 278 | unsigned int codec_not_ready_bits; /* for codec detection */ |
| 279 | |
| 280 | int spdif_over_aclink; /* passed from the module option */ |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 281 | struct mutex open_mutex; /* playback open mutex */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | }; |
| 283 | |
| 284 | |
| 285 | /* |
| 286 | */ |
Henrik Kretzschmar | 396c9b9 | 2006-04-24 15:59:04 +0200 | [diff] [blame] | 287 | static struct pci_device_id snd_atiixp_ids[] __devinitdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | { 0x1002, 0x4341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB200 */ |
| 289 | { 0x1002, 0x4361, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB300 */ |
| 290 | { 0x1002, 0x4370, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SB400 */ |
| 291 | { 0, } |
| 292 | }; |
| 293 | |
| 294 | MODULE_DEVICE_TABLE(pci, snd_atiixp_ids); |
| 295 | |
| 296 | |
| 297 | /* |
| 298 | * lowlevel functions |
| 299 | */ |
| 300 | |
| 301 | /* |
| 302 | * update the bits of the given register. |
| 303 | * return 1 if the bits changed. |
| 304 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 305 | static int snd_atiixp_update_bits(struct atiixp *chip, unsigned int reg, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | unsigned int mask, unsigned int value) |
| 307 | { |
| 308 | void __iomem *addr = chip->remap_addr + reg; |
| 309 | unsigned int data, old_data; |
| 310 | old_data = data = readl(addr); |
| 311 | data &= ~mask; |
| 312 | data |= value; |
| 313 | if (old_data == data) |
| 314 | return 0; |
| 315 | writel(data, addr); |
| 316 | return 1; |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * macros for easy use |
| 321 | */ |
| 322 | #define atiixp_write(chip,reg,value) \ |
| 323 | writel(value, chip->remap_addr + ATI_REG_##reg) |
| 324 | #define atiixp_read(chip,reg) \ |
| 325 | readl(chip->remap_addr + ATI_REG_##reg) |
| 326 | #define atiixp_update(chip,reg,mask,val) \ |
| 327 | snd_atiixp_update_bits(chip, ATI_REG_##reg, mask, val) |
| 328 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | /* |
| 330 | * handling DMA packets |
| 331 | * |
| 332 | * we allocate a linear buffer for the DMA, and split it to each packet. |
| 333 | * in a future version, a scatter-gather buffer should be implemented. |
| 334 | */ |
| 335 | |
| 336 | #define ATI_DESC_LIST_SIZE \ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 337 | PAGE_ALIGN(ATI_MAX_DESCRIPTORS * sizeof(struct atiixp_dma_desc)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | |
| 339 | /* |
| 340 | * build packets ring for the given buffer size. |
| 341 | * |
| 342 | * IXP handles the buffer descriptors, which are connected as a linked |
| 343 | * list. although we can change the list dynamically, in this version, |
| 344 | * a static RING of buffer descriptors is used. |
| 345 | * |
| 346 | * the ring is built in this function, and is set up to the hardware. |
| 347 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 348 | static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
| 349 | struct snd_pcm_substream *substream, |
| 350 | unsigned int periods, |
| 351 | unsigned int period_bytes) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | { |
| 353 | unsigned int i; |
| 354 | u32 addr, desc_addr; |
| 355 | unsigned long flags; |
| 356 | |
| 357 | if (periods > ATI_MAX_DESCRIPTORS) |
| 358 | return -ENOMEM; |
| 359 | |
| 360 | if (dma->desc_buf.area == NULL) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 361 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, |
| 362 | snd_dma_pci_data(chip->pci), |
| 363 | ATI_DESC_LIST_SIZE, |
| 364 | &dma->desc_buf) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | return -ENOMEM; |
| 366 | dma->period_bytes = dma->periods = 0; /* clear */ |
| 367 | } |
| 368 | |
| 369 | if (dma->periods == periods && dma->period_bytes == period_bytes) |
| 370 | return 0; |
| 371 | |
| 372 | /* reset DMA before changing the descriptor table */ |
| 373 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 374 | writel(0, chip->remap_addr + dma->ops->llp_offset); |
| 375 | dma->ops->enable_dma(chip, 0); |
| 376 | dma->ops->enable_dma(chip, 1); |
| 377 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 378 | |
| 379 | /* fill the entries */ |
| 380 | addr = (u32)substream->runtime->dma_addr; |
| 381 | desc_addr = (u32)dma->desc_buf.addr; |
| 382 | for (i = 0; i < periods; i++) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 383 | struct atiixp_dma_desc *desc; |
| 384 | desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | desc->addr = cpu_to_le32(addr); |
| 386 | desc->status = 0; |
| 387 | desc->size = period_bytes >> 2; /* in dwords */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 388 | desc_addr += sizeof(struct atiixp_dma_desc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | if (i == periods - 1) |
| 390 | desc->next = cpu_to_le32((u32)dma->desc_buf.addr); |
| 391 | else |
| 392 | desc->next = cpu_to_le32(desc_addr); |
| 393 | addr += period_bytes; |
| 394 | } |
| 395 | |
| 396 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, |
| 397 | chip->remap_addr + dma->ops->llp_offset); |
| 398 | |
| 399 | dma->period_bytes = period_bytes; |
| 400 | dma->periods = periods; |
| 401 | |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | /* |
| 406 | * remove the ring buffer and release it if assigned |
| 407 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 408 | static void atiixp_clear_dma_packets(struct atiixp *chip, struct atiixp_dma *dma, |
| 409 | struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | { |
| 411 | if (dma->desc_buf.area) { |
| 412 | writel(0, chip->remap_addr + dma->ops->llp_offset); |
| 413 | snd_dma_free_pages(&dma->desc_buf); |
| 414 | dma->desc_buf.area = NULL; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /* |
| 419 | * AC97 interface |
| 420 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 421 | static int snd_atiixp_acquire_codec(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | { |
| 423 | int timeout = 1000; |
| 424 | |
| 425 | while (atiixp_read(chip, PHYS_OUT_ADDR) & ATI_REG_PHYS_OUT_ADDR_EN) { |
| 426 | if (! timeout--) { |
| 427 | snd_printk(KERN_WARNING "atiixp: codec acquire timeout\n"); |
| 428 | return -EBUSY; |
| 429 | } |
| 430 | udelay(1); |
| 431 | } |
| 432 | return 0; |
| 433 | } |
| 434 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 435 | 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] | 436 | { |
| 437 | unsigned int data; |
| 438 | int timeout; |
| 439 | |
| 440 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 441 | return 0xffff; |
| 442 | data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | |
| 443 | ATI_REG_PHYS_OUT_ADDR_EN | |
| 444 | ATI_REG_PHYS_OUT_RW | |
| 445 | codec; |
| 446 | atiixp_write(chip, PHYS_OUT_ADDR, data); |
| 447 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 448 | return 0xffff; |
| 449 | timeout = 1000; |
| 450 | do { |
| 451 | data = atiixp_read(chip, PHYS_IN_ADDR); |
| 452 | if (data & ATI_REG_PHYS_IN_READ_FLAG) |
| 453 | return data >> ATI_REG_PHYS_IN_DATA_SHIFT; |
| 454 | udelay(1); |
| 455 | } while (--timeout); |
| 456 | /* time out may happen during reset */ |
| 457 | if (reg < 0x7c) |
| 458 | snd_printk(KERN_WARNING "atiixp: codec read timeout (reg %x)\n", reg); |
| 459 | return 0xffff; |
| 460 | } |
| 461 | |
| 462 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 463 | static void snd_atiixp_codec_write(struct atiixp *chip, unsigned short codec, |
| 464 | unsigned short reg, unsigned short val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | { |
| 466 | unsigned int data; |
| 467 | |
| 468 | if (snd_atiixp_acquire_codec(chip) < 0) |
| 469 | return; |
| 470 | data = ((unsigned int)val << ATI_REG_PHYS_OUT_DATA_SHIFT) | |
| 471 | ((unsigned int)reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | |
| 472 | ATI_REG_PHYS_OUT_ADDR_EN | codec; |
| 473 | atiixp_write(chip, PHYS_OUT_ADDR, data); |
| 474 | } |
| 475 | |
| 476 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 477 | static unsigned short snd_atiixp_ac97_read(struct snd_ac97 *ac97, |
| 478 | unsigned short reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 480 | struct atiixp *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | return snd_atiixp_codec_read(chip, ac97->num, reg); |
| 482 | |
| 483 | } |
| 484 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 485 | static void snd_atiixp_ac97_write(struct snd_ac97 *ac97, unsigned short reg, |
| 486 | unsigned short val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 488 | struct atiixp *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | snd_atiixp_codec_write(chip, ac97->num, reg, val); |
| 490 | } |
| 491 | |
| 492 | /* |
| 493 | * reset AC link |
| 494 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 495 | static int snd_atiixp_aclink_reset(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | { |
| 497 | int timeout; |
| 498 | |
| 499 | /* reset powerdoewn */ |
| 500 | if (atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN, 0)) |
| 501 | udelay(10); |
| 502 | |
| 503 | /* perform a software reset */ |
| 504 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, ATI_REG_CMD_AC_SOFT_RESET); |
| 505 | atiixp_read(chip, CMD); |
| 506 | udelay(10); |
| 507 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, 0); |
| 508 | |
| 509 | timeout = 10; |
| 510 | while (! (atiixp_read(chip, CMD) & ATI_REG_CMD_ACLINK_ACTIVE)) { |
| 511 | /* do a hard reset */ |
| 512 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, |
| 513 | ATI_REG_CMD_AC_SYNC); |
| 514 | atiixp_read(chip, CMD); |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 515 | mdelay(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_RESET); |
| 517 | if (--timeout) { |
| 518 | snd_printk(KERN_ERR "atiixp: codec reset timeout\n"); |
| 519 | break; |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | /* deassert RESET and assert SYNC to make sure */ |
| 524 | atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, |
| 525 | ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET); |
| 526 | |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | #ifdef CONFIG_PM |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 531 | static int snd_atiixp_aclink_down(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | { |
| 533 | // if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */ |
| 534 | // return -EBUSY; |
| 535 | atiixp_update(chip, CMD, |
| 536 | ATI_REG_CMD_POWERDOWN | ATI_REG_CMD_AC_RESET, |
| 537 | ATI_REG_CMD_POWERDOWN); |
| 538 | return 0; |
| 539 | } |
| 540 | #endif |
| 541 | |
| 542 | /* |
| 543 | * auto-detection of codecs |
| 544 | * |
| 545 | * the IXP chip can generate interrupts for the non-existing codecs. |
| 546 | * NEW_FRAME interrupt is used to make sure that the interrupt is generated |
| 547 | * even if all three codecs are connected. |
| 548 | */ |
| 549 | |
| 550 | #define ALL_CODEC_NOT_READY \ |
| 551 | (ATI_REG_ISR_CODEC0_NOT_READY |\ |
| 552 | ATI_REG_ISR_CODEC1_NOT_READY |\ |
| 553 | ATI_REG_ISR_CODEC2_NOT_READY) |
| 554 | #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME) |
| 555 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 556 | static int snd_atiixp_codec_detect(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | { |
| 558 | int timeout; |
| 559 | |
| 560 | chip->codec_not_ready_bits = 0; |
| 561 | atiixp_write(chip, IER, CODEC_CHECK_BITS); |
| 562 | /* wait for the interrupts */ |
Takashi Iwai | bfdcbac | 2005-11-17 10:35:53 +0100 | [diff] [blame] | 563 | timeout = 50; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | while (timeout-- > 0) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 565 | mdelay(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | if (chip->codec_not_ready_bits) |
| 567 | break; |
| 568 | } |
| 569 | atiixp_write(chip, IER, 0); /* disable irqs */ |
| 570 | |
| 571 | if ((chip->codec_not_ready_bits & ALL_CODEC_NOT_READY) == ALL_CODEC_NOT_READY) { |
| 572 | snd_printk(KERN_ERR "atiixp: no codec detected!\n"); |
| 573 | return -ENXIO; |
| 574 | } |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | |
| 579 | /* |
| 580 | * enable DMA and irqs |
| 581 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 582 | static int snd_atiixp_chip_start(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | { |
| 584 | unsigned int reg; |
| 585 | |
| 586 | /* set up spdif, enable burst mode */ |
| 587 | reg = atiixp_read(chip, CMD); |
| 588 | reg |= 0x02 << ATI_REG_CMD_SPDF_THRESHOLD_SHIFT; |
| 589 | reg |= ATI_REG_CMD_BURST_EN; |
| 590 | atiixp_write(chip, CMD, reg); |
| 591 | |
| 592 | reg = atiixp_read(chip, SPDF_CMD); |
| 593 | reg &= ~(ATI_REG_SPDF_CMD_LFSR|ATI_REG_SPDF_CMD_SINGLE_CH); |
| 594 | atiixp_write(chip, SPDF_CMD, reg); |
| 595 | |
| 596 | /* clear all interrupt source */ |
| 597 | atiixp_write(chip, ISR, 0xffffffff); |
| 598 | /* enable irqs */ |
| 599 | atiixp_write(chip, IER, |
| 600 | ATI_REG_IER_IO_STATUS_EN | |
| 601 | ATI_REG_IER_IN_XRUN_EN | |
| 602 | ATI_REG_IER_OUT_XRUN_EN | |
| 603 | ATI_REG_IER_SPDF_XRUN_EN | |
| 604 | ATI_REG_IER_SPDF_STATUS_EN); |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | |
| 609 | /* |
| 610 | * disable DMA and IRQs |
| 611 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 612 | static int snd_atiixp_chip_stop(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | { |
| 614 | /* clear interrupt source */ |
| 615 | atiixp_write(chip, ISR, atiixp_read(chip, ISR)); |
| 616 | /* disable irqs */ |
| 617 | atiixp_write(chip, IER, 0); |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | |
| 622 | /* |
| 623 | * PCM section |
| 624 | */ |
| 625 | |
| 626 | /* |
| 627 | * pointer callback simplly reads XXX_DMA_DT_CUR register as the current |
| 628 | * position. when SG-buffer is implemented, the offset must be calculated |
| 629 | * correctly... |
| 630 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 631 | 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] | 632 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 633 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 634 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 635 | struct atiixp_dma *dma = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | unsigned int curptr; |
| 637 | int timeout = 1000; |
| 638 | |
| 639 | while (timeout--) { |
| 640 | curptr = readl(chip->remap_addr + dma->ops->dt_cur); |
| 641 | if (curptr < dma->buf_addr) |
| 642 | continue; |
| 643 | curptr -= dma->buf_addr; |
| 644 | if (curptr >= dma->buf_bytes) |
| 645 | continue; |
| 646 | return bytes_to_frames(runtime, curptr); |
| 647 | } |
| 648 | snd_printd("atiixp: invalid DMA pointer read 0x%x (buf=%x)\n", |
| 649 | readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr); |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | /* |
| 654 | * XRUN detected, and stop the PCM substream |
| 655 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 656 | 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] | 657 | { |
| 658 | if (! dma->substream || ! dma->running) |
| 659 | return; |
| 660 | snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type); |
| 661 | snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN); |
| 662 | } |
| 663 | |
| 664 | /* |
| 665 | * the period ack. update the substream. |
| 666 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 667 | 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] | 668 | { |
| 669 | if (! dma->substream || ! dma->running) |
| 670 | return; |
| 671 | snd_pcm_period_elapsed(dma->substream); |
| 672 | } |
| 673 | |
| 674 | /* set BUS_BUSY interrupt bit if any DMA is running */ |
| 675 | /* call with spinlock held */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 676 | static void snd_atiixp_check_bus_busy(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | { |
| 678 | unsigned int bus_busy; |
| 679 | if (atiixp_read(chip, CMD) & (ATI_REG_CMD_SEND_EN | |
| 680 | ATI_REG_CMD_RECEIVE_EN | |
| 681 | ATI_REG_CMD_SPDF_OUT_EN)) |
| 682 | bus_busy = ATI_REG_IER_SET_BUS_BUSY; |
| 683 | else |
| 684 | bus_busy = 0; |
| 685 | atiixp_update(chip, IER, ATI_REG_IER_SET_BUS_BUSY, bus_busy); |
| 686 | } |
| 687 | |
| 688 | /* common trigger callback |
| 689 | * calling the lowlevel callbacks in it |
| 690 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 691 | 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] | 692 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 693 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 694 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | int err = 0; |
| 696 | |
| 697 | snd_assert(dma->ops->enable_transfer && dma->ops->flush_dma, return -EINVAL); |
| 698 | |
| 699 | spin_lock(&chip->reg_lock); |
| 700 | switch (cmd) { |
| 701 | case SNDRV_PCM_TRIGGER_START: |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 702 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 703 | case SNDRV_PCM_TRIGGER_RESUME: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | dma->ops->enable_transfer(chip, 1); |
| 705 | dma->running = 1; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 706 | dma->suspended = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | break; |
| 708 | case SNDRV_PCM_TRIGGER_STOP: |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 709 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 710 | case SNDRV_PCM_TRIGGER_SUSPEND: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | dma->ops->enable_transfer(chip, 0); |
| 712 | dma->running = 0; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 713 | dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | break; |
| 715 | default: |
| 716 | err = -EINVAL; |
| 717 | break; |
| 718 | } |
| 719 | if (! err) { |
| 720 | snd_atiixp_check_bus_busy(chip); |
| 721 | if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 722 | dma->ops->flush_dma(chip); |
| 723 | snd_atiixp_check_bus_busy(chip); |
| 724 | } |
| 725 | } |
| 726 | spin_unlock(&chip->reg_lock); |
| 727 | return err; |
| 728 | } |
| 729 | |
| 730 | |
| 731 | /* |
| 732 | * lowlevel callbacks for each DMA type |
| 733 | * |
| 734 | * every callback is supposed to be called in chip->reg_lock spinlock |
| 735 | */ |
| 736 | |
| 737 | /* flush FIFO of analog OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 738 | static void atiixp_out_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | { |
| 740 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_OUT_FLUSH); |
| 741 | } |
| 742 | |
| 743 | /* enable/disable analog OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 744 | static void atiixp_out_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | { |
| 746 | unsigned int data; |
| 747 | data = atiixp_read(chip, CMD); |
| 748 | if (on) { |
| 749 | if (data & ATI_REG_CMD_OUT_DMA_EN) |
| 750 | return; |
| 751 | atiixp_out_flush_dma(chip); |
| 752 | data |= ATI_REG_CMD_OUT_DMA_EN; |
| 753 | } else |
| 754 | data &= ~ATI_REG_CMD_OUT_DMA_EN; |
| 755 | atiixp_write(chip, CMD, data); |
| 756 | } |
| 757 | |
| 758 | /* start/stop transfer over OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 759 | static void atiixp_out_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 760 | { |
| 761 | atiixp_update(chip, CMD, ATI_REG_CMD_SEND_EN, |
| 762 | on ? ATI_REG_CMD_SEND_EN : 0); |
| 763 | } |
| 764 | |
| 765 | /* enable/disable analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 766 | static void atiixp_in_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | { |
| 768 | atiixp_update(chip, CMD, ATI_REG_CMD_IN_DMA_EN, |
| 769 | on ? ATI_REG_CMD_IN_DMA_EN : 0); |
| 770 | } |
| 771 | |
| 772 | /* start/stop analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 773 | static void atiixp_in_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | { |
| 775 | if (on) { |
| 776 | unsigned int data = atiixp_read(chip, CMD); |
| 777 | if (! (data & ATI_REG_CMD_RECEIVE_EN)) { |
| 778 | data |= ATI_REG_CMD_RECEIVE_EN; |
| 779 | #if 0 /* FIXME: this causes the endless loop */ |
| 780 | /* wait until slot 3/4 are finished */ |
| 781 | while ((atiixp_read(chip, COUNTER) & |
| 782 | ATI_REG_COUNTER_SLOT) != 5) |
| 783 | ; |
| 784 | #endif |
| 785 | atiixp_write(chip, CMD, data); |
| 786 | } |
| 787 | } else |
| 788 | atiixp_update(chip, CMD, ATI_REG_CMD_RECEIVE_EN, 0); |
| 789 | } |
| 790 | |
| 791 | /* flush FIFO of analog IN DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 792 | static void atiixp_in_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | { |
| 794 | atiixp_write(chip, FIFO_FLUSH, ATI_REG_FIFO_IN_FLUSH); |
| 795 | } |
| 796 | |
| 797 | /* enable/disable SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 798 | static void atiixp_spdif_enable_dma(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | { |
| 800 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_DMA_EN, |
| 801 | on ? ATI_REG_CMD_SPDF_DMA_EN : 0); |
| 802 | } |
| 803 | |
| 804 | /* start/stop SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 805 | static void atiixp_spdif_enable_transfer(struct atiixp *chip, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | { |
| 807 | unsigned int data; |
| 808 | data = atiixp_read(chip, CMD); |
| 809 | if (on) |
| 810 | data |= ATI_REG_CMD_SPDF_OUT_EN; |
| 811 | else |
| 812 | data &= ~ATI_REG_CMD_SPDF_OUT_EN; |
| 813 | atiixp_write(chip, CMD, data); |
| 814 | } |
| 815 | |
| 816 | /* flush FIFO of SPDIF OUT DMA */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 817 | static void atiixp_spdif_flush_dma(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 818 | { |
| 819 | int timeout; |
| 820 | |
| 821 | /* DMA off, transfer on */ |
| 822 | atiixp_spdif_enable_dma(chip, 0); |
| 823 | atiixp_spdif_enable_transfer(chip, 1); |
| 824 | |
| 825 | timeout = 100; |
| 826 | do { |
| 827 | if (! (atiixp_read(chip, SPDF_DMA_DT_SIZE) & ATI_REG_DMA_FIFO_USED)) |
| 828 | break; |
| 829 | udelay(1); |
| 830 | } while (timeout-- > 0); |
| 831 | |
| 832 | atiixp_spdif_enable_transfer(chip, 0); |
| 833 | } |
| 834 | |
| 835 | /* set up slots and formats for SPDIF OUT */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 836 | static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 838 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | |
| 840 | spin_lock_irq(&chip->reg_lock); |
| 841 | if (chip->spdif_over_aclink) { |
| 842 | unsigned int data; |
| 843 | /* enable slots 10/11 */ |
| 844 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, |
| 845 | ATI_REG_CMD_SPDF_CONFIG_01); |
| 846 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; |
| 847 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | |
| 848 | ATI_REG_OUT_DMA_SLOT_BIT(11); |
| 849 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; |
| 850 | atiixp_write(chip, OUT_DMA_SLOT, data); |
| 851 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, |
| 852 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 853 | ATI_REG_CMD_INTERLEAVE_OUT : 0); |
| 854 | } else { |
| 855 | atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0); |
| 856 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0); |
| 857 | } |
| 858 | spin_unlock_irq(&chip->reg_lock); |
| 859 | return 0; |
| 860 | } |
| 861 | |
| 862 | /* set up slots and formats for analog OUT */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 863 | static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 865 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 866 | unsigned int data; |
| 867 | |
| 868 | spin_lock_irq(&chip->reg_lock); |
| 869 | data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; |
| 870 | switch (substream->runtime->channels) { |
| 871 | case 8: |
| 872 | data |= ATI_REG_OUT_DMA_SLOT_BIT(10) | |
| 873 | ATI_REG_OUT_DMA_SLOT_BIT(11); |
| 874 | /* fallthru */ |
| 875 | case 6: |
| 876 | data |= ATI_REG_OUT_DMA_SLOT_BIT(7) | |
| 877 | ATI_REG_OUT_DMA_SLOT_BIT(8); |
| 878 | /* fallthru */ |
| 879 | case 4: |
| 880 | data |= ATI_REG_OUT_DMA_SLOT_BIT(6) | |
| 881 | ATI_REG_OUT_DMA_SLOT_BIT(9); |
| 882 | /* fallthru */ |
| 883 | default: |
| 884 | data |= ATI_REG_OUT_DMA_SLOT_BIT(3) | |
| 885 | ATI_REG_OUT_DMA_SLOT_BIT(4); |
| 886 | break; |
| 887 | } |
| 888 | |
| 889 | /* set output threshold */ |
| 890 | data |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT; |
| 891 | atiixp_write(chip, OUT_DMA_SLOT, data); |
| 892 | |
| 893 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_OUT, |
| 894 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 895 | ATI_REG_CMD_INTERLEAVE_OUT : 0); |
| 896 | |
| 897 | /* |
| 898 | * enable 6 channel re-ordering bit if needed |
| 899 | */ |
| 900 | atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN, |
| 901 | substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0); |
| 902 | |
| 903 | spin_unlock_irq(&chip->reg_lock); |
| 904 | return 0; |
| 905 | } |
| 906 | |
| 907 | /* set up slots and formats for analog IN */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 908 | static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 910 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 911 | |
| 912 | spin_lock_irq(&chip->reg_lock); |
| 913 | atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN, |
| 914 | substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? |
| 915 | ATI_REG_CMD_INTERLEAVE_IN : 0); |
| 916 | spin_unlock_irq(&chip->reg_lock); |
| 917 | return 0; |
| 918 | } |
| 919 | |
| 920 | /* |
| 921 | * hw_params - allocate the buffer and set up buffer descriptors |
| 922 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 923 | static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream, |
| 924 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 926 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 927 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | int err; |
| 929 | |
| 930 | err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 931 | if (err < 0) |
| 932 | return err; |
| 933 | dma->buf_addr = substream->runtime->dma_addr; |
| 934 | dma->buf_bytes = params_buffer_bytes(hw_params); |
| 935 | |
| 936 | err = atiixp_build_dma_packets(chip, dma, substream, |
| 937 | params_periods(hw_params), |
| 938 | params_period_bytes(hw_params)); |
| 939 | if (err < 0) |
| 940 | return err; |
| 941 | |
| 942 | if (dma->ac97_pcm_type >= 0) { |
| 943 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; |
| 944 | /* PCM is bound to AC97 codec(s) |
| 945 | * set up the AC97 codecs |
| 946 | */ |
| 947 | if (dma->pcm_open_flag) { |
| 948 | snd_ac97_pcm_close(pcm); |
| 949 | dma->pcm_open_flag = 0; |
| 950 | } |
| 951 | err = snd_ac97_pcm_open(pcm, params_rate(hw_params), |
| 952 | params_channels(hw_params), |
| 953 | pcm->r[0].slots); |
| 954 | if (err >= 0) |
| 955 | dma->pcm_open_flag = 1; |
| 956 | } |
| 957 | |
| 958 | return err; |
| 959 | } |
| 960 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 961 | static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 963 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 964 | struct atiixp_dma *dma = substream->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | |
| 966 | if (dma->pcm_open_flag) { |
| 967 | struct ac97_pcm *pcm = chip->pcms[dma->ac97_pcm_type]; |
| 968 | snd_ac97_pcm_close(pcm); |
| 969 | dma->pcm_open_flag = 0; |
| 970 | } |
| 971 | atiixp_clear_dma_packets(chip, dma, substream); |
| 972 | snd_pcm_lib_free_pages(substream); |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | |
| 977 | /* |
| 978 | * pcm hardware definition, identical for all DMA types |
| 979 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 980 | static struct snd_pcm_hardware snd_atiixp_pcm_hw = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 981 | { |
| 982 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 983 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 984 | SNDRV_PCM_INFO_PAUSE | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | SNDRV_PCM_INFO_RESUME | |
| 986 | SNDRV_PCM_INFO_MMAP_VALID), |
| 987 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, |
| 988 | .rates = SNDRV_PCM_RATE_48000, |
| 989 | .rate_min = 48000, |
| 990 | .rate_max = 48000, |
| 991 | .channels_min = 2, |
| 992 | .channels_max = 2, |
| 993 | .buffer_bytes_max = 256 * 1024, |
| 994 | .period_bytes_min = 32, |
| 995 | .period_bytes_max = 128 * 1024, |
| 996 | .periods_min = 2, |
| 997 | .periods_max = ATI_MAX_DESCRIPTORS, |
| 998 | }; |
| 999 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1000 | static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, |
| 1001 | struct atiixp_dma *dma, int pcm_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1002 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1003 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
| 1004 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | int err; |
| 1006 | |
| 1007 | snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); |
| 1008 | |
| 1009 | if (dma->opened) |
| 1010 | return -EBUSY; |
| 1011 | dma->substream = substream; |
| 1012 | runtime->hw = snd_atiixp_pcm_hw; |
| 1013 | dma->ac97_pcm_type = pcm_type; |
| 1014 | if (pcm_type >= 0) { |
| 1015 | runtime->hw.rates = chip->pcms[pcm_type]->rates; |
| 1016 | snd_pcm_limit_hw_rates(runtime); |
| 1017 | } else { |
| 1018 | /* direct SPDIF */ |
| 1019 | runtime->hw.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; |
| 1020 | } |
| 1021 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) |
| 1022 | return err; |
| 1023 | runtime->private_data = dma; |
| 1024 | |
| 1025 | /* enable DMA bits */ |
| 1026 | spin_lock_irq(&chip->reg_lock); |
| 1027 | dma->ops->enable_dma(chip, 1); |
| 1028 | spin_unlock_irq(&chip->reg_lock); |
| 1029 | dma->opened = 1; |
| 1030 | |
| 1031 | return 0; |
| 1032 | } |
| 1033 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1034 | static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, |
| 1035 | struct atiixp_dma *dma) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1037 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | /* disable DMA bits */ |
| 1039 | snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); |
| 1040 | spin_lock_irq(&chip->reg_lock); |
| 1041 | dma->ops->enable_dma(chip, 0); |
| 1042 | spin_unlock_irq(&chip->reg_lock); |
| 1043 | dma->substream = NULL; |
| 1044 | dma->opened = 0; |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
| 1048 | /* |
| 1049 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1050 | static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1052 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | int err; |
| 1054 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1055 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1057 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | if (err < 0) |
| 1059 | return err; |
| 1060 | substream->runtime->hw.channels_max = chip->max_channels; |
| 1061 | if (chip->max_channels > 2) |
| 1062 | /* channels must be even */ |
| 1063 | snd_pcm_hw_constraint_step(substream->runtime, 0, |
| 1064 | SNDRV_PCM_HW_PARAM_CHANNELS, 2); |
| 1065 | return 0; |
| 1066 | } |
| 1067 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1068 | static int snd_atiixp_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1070 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | int err; |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1072 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1074 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | return err; |
| 1076 | } |
| 1077 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1078 | static int snd_atiixp_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1079 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1080 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1); |
| 1082 | } |
| 1083 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1084 | static int snd_atiixp_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1085 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1086 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1088 | } |
| 1089 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1090 | static int snd_atiixp_spdif_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1092 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | int err; |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1094 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1095 | if (chip->spdif_over_aclink) /* share DMA_PLAYBACK */ |
| 1096 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 2); |
| 1097 | else |
| 1098 | err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_SPDIF], -1); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1099 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1100 | return err; |
| 1101 | } |
| 1102 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1103 | static int snd_atiixp_spdif_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1105 | struct atiixp *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | int err; |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1107 | mutex_lock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | if (chip->spdif_over_aclink) |
| 1109 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1110 | else |
| 1111 | err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_SPDIF]); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1112 | mutex_unlock(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1113 | return err; |
| 1114 | } |
| 1115 | |
| 1116 | /* AC97 playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1117 | static struct snd_pcm_ops snd_atiixp_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1118 | .open = snd_atiixp_playback_open, |
| 1119 | .close = snd_atiixp_playback_close, |
| 1120 | .ioctl = snd_pcm_lib_ioctl, |
| 1121 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1122 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1123 | .prepare = snd_atiixp_playback_prepare, |
| 1124 | .trigger = snd_atiixp_pcm_trigger, |
| 1125 | .pointer = snd_atiixp_pcm_pointer, |
| 1126 | }; |
| 1127 | |
| 1128 | /* AC97 capture */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1129 | static struct snd_pcm_ops snd_atiixp_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1130 | .open = snd_atiixp_capture_open, |
| 1131 | .close = snd_atiixp_capture_close, |
| 1132 | .ioctl = snd_pcm_lib_ioctl, |
| 1133 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1134 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1135 | .prepare = snd_atiixp_capture_prepare, |
| 1136 | .trigger = snd_atiixp_pcm_trigger, |
| 1137 | .pointer = snd_atiixp_pcm_pointer, |
| 1138 | }; |
| 1139 | |
| 1140 | /* SPDIF playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1141 | static struct snd_pcm_ops snd_atiixp_spdif_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | .open = snd_atiixp_spdif_open, |
| 1143 | .close = snd_atiixp_spdif_close, |
| 1144 | .ioctl = snd_pcm_lib_ioctl, |
| 1145 | .hw_params = snd_atiixp_pcm_hw_params, |
| 1146 | .hw_free = snd_atiixp_pcm_hw_free, |
| 1147 | .prepare = snd_atiixp_spdif_prepare, |
| 1148 | .trigger = snd_atiixp_pcm_trigger, |
| 1149 | .pointer = snd_atiixp_pcm_pointer, |
| 1150 | }; |
| 1151 | |
| 1152 | static struct ac97_pcm atiixp_pcm_defs[] __devinitdata = { |
| 1153 | /* front PCM */ |
| 1154 | { |
| 1155 | .exclusive = 1, |
| 1156 | .r = { { |
| 1157 | .slots = (1 << AC97_SLOT_PCM_LEFT) | |
| 1158 | (1 << AC97_SLOT_PCM_RIGHT) | |
| 1159 | (1 << AC97_SLOT_PCM_CENTER) | |
| 1160 | (1 << AC97_SLOT_PCM_SLEFT) | |
| 1161 | (1 << AC97_SLOT_PCM_SRIGHT) | |
| 1162 | (1 << AC97_SLOT_LFE) |
| 1163 | } |
| 1164 | } |
| 1165 | }, |
| 1166 | /* PCM IN #1 */ |
| 1167 | { |
| 1168 | .stream = 1, |
| 1169 | .exclusive = 1, |
| 1170 | .r = { { |
| 1171 | .slots = (1 << AC97_SLOT_PCM_LEFT) | |
| 1172 | (1 << AC97_SLOT_PCM_RIGHT) |
| 1173 | } |
| 1174 | } |
| 1175 | }, |
| 1176 | /* S/PDIF OUT (optional) */ |
| 1177 | { |
| 1178 | .exclusive = 1, |
| 1179 | .spdif = 1, |
| 1180 | .r = { { |
| 1181 | .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | |
| 1182 | (1 << AC97_SLOT_SPDIF_RIGHT2) |
| 1183 | } |
| 1184 | } |
| 1185 | }, |
| 1186 | }; |
| 1187 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1188 | static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1189 | .type = ATI_DMA_PLAYBACK, |
| 1190 | .llp_offset = ATI_REG_OUT_DMA_LINKPTR, |
| 1191 | .dt_cur = ATI_REG_OUT_DMA_DT_CUR, |
| 1192 | .enable_dma = atiixp_out_enable_dma, |
| 1193 | .enable_transfer = atiixp_out_enable_transfer, |
| 1194 | .flush_dma = atiixp_out_flush_dma, |
| 1195 | }; |
| 1196 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1197 | static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | .type = ATI_DMA_CAPTURE, |
| 1199 | .llp_offset = ATI_REG_IN_DMA_LINKPTR, |
| 1200 | .dt_cur = ATI_REG_IN_DMA_DT_CUR, |
| 1201 | .enable_dma = atiixp_in_enable_dma, |
| 1202 | .enable_transfer = atiixp_in_enable_transfer, |
| 1203 | .flush_dma = atiixp_in_flush_dma, |
| 1204 | }; |
| 1205 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1206 | static struct atiixp_dma_ops snd_atiixp_spdif_dma_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1207 | .type = ATI_DMA_SPDIF, |
| 1208 | .llp_offset = ATI_REG_SPDF_DMA_LINKPTR, |
| 1209 | .dt_cur = ATI_REG_SPDF_DMA_DT_CUR, |
| 1210 | .enable_dma = atiixp_spdif_enable_dma, |
| 1211 | .enable_transfer = atiixp_spdif_enable_transfer, |
| 1212 | .flush_dma = atiixp_spdif_flush_dma, |
| 1213 | }; |
| 1214 | |
| 1215 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1216 | static int __devinit snd_atiixp_pcm_new(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1217 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1218 | struct snd_pcm *pcm; |
| 1219 | struct snd_ac97_bus *pbus = chip->ac97_bus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1220 | int err, i, num_pcms; |
| 1221 | |
| 1222 | /* initialize constants */ |
| 1223 | chip->dmas[ATI_DMA_PLAYBACK].ops = &snd_atiixp_playback_dma_ops; |
| 1224 | chip->dmas[ATI_DMA_CAPTURE].ops = &snd_atiixp_capture_dma_ops; |
| 1225 | if (! chip->spdif_over_aclink) |
| 1226 | chip->dmas[ATI_DMA_SPDIF].ops = &snd_atiixp_spdif_dma_ops; |
| 1227 | |
| 1228 | /* assign AC97 pcm */ |
| 1229 | if (chip->spdif_over_aclink) |
| 1230 | num_pcms = 3; |
| 1231 | else |
| 1232 | num_pcms = 2; |
| 1233 | err = snd_ac97_pcm_assign(pbus, num_pcms, atiixp_pcm_defs); |
| 1234 | if (err < 0) |
| 1235 | return err; |
| 1236 | for (i = 0; i < num_pcms; i++) |
| 1237 | chip->pcms[i] = &pbus->pcms[i]; |
| 1238 | |
| 1239 | chip->max_channels = 2; |
| 1240 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { |
| 1241 | if (pbus->pcms[ATI_PCM_OUT].r[0].slots & (1 << AC97_SLOT_LFE)) |
| 1242 | chip->max_channels = 6; |
| 1243 | else |
| 1244 | chip->max_channels = 4; |
| 1245 | } |
| 1246 | |
| 1247 | /* PCM #0: analog I/O */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1248 | err = snd_pcm_new(chip->card, "ATI IXP AC97", |
| 1249 | ATI_PCMDEV_ANALOG, 1, 1, &pcm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1250 | if (err < 0) |
| 1251 | return err; |
| 1252 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops); |
| 1253 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops); |
| 1254 | pcm->private_data = chip; |
| 1255 | strcpy(pcm->name, "ATI IXP AC97"); |
| 1256 | chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm; |
| 1257 | |
| 1258 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1259 | snd_dma_pci_data(chip->pci), |
| 1260 | 64*1024, 128*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1261 | |
| 1262 | /* no SPDIF support on codec? */ |
| 1263 | if (chip->pcms[ATI_PCM_SPDIF] && ! chip->pcms[ATI_PCM_SPDIF]->rates) |
| 1264 | return 0; |
| 1265 | |
| 1266 | /* FIXME: non-48k sample rate doesn't work on my test machine with AD1888 */ |
| 1267 | if (chip->pcms[ATI_PCM_SPDIF]) |
| 1268 | chip->pcms[ATI_PCM_SPDIF]->rates = SNDRV_PCM_RATE_48000; |
| 1269 | |
| 1270 | /* PCM #1: spdif playback */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1271 | err = snd_pcm_new(chip->card, "ATI IXP IEC958", |
| 1272 | ATI_PCMDEV_DIGITAL, 1, 0, &pcm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1273 | if (err < 0) |
| 1274 | return err; |
| 1275 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_spdif_ops); |
| 1276 | pcm->private_data = chip; |
| 1277 | if (chip->spdif_over_aclink) |
| 1278 | strcpy(pcm->name, "ATI IXP IEC958 (AC97)"); |
| 1279 | else |
| 1280 | strcpy(pcm->name, "ATI IXP IEC958 (Direct)"); |
| 1281 | chip->pcmdevs[ATI_PCMDEV_DIGITAL] = pcm; |
| 1282 | |
| 1283 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1284 | snd_dma_pci_data(chip->pci), |
| 1285 | 64*1024, 128*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | |
| 1287 | /* pre-select AC97 SPDIF slots 10/11 */ |
| 1288 | for (i = 0; i < NUM_ATI_CODECS; i++) { |
| 1289 | if (chip->ac97[i]) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1290 | snd_ac97_update_bits(chip->ac97[i], |
| 1291 | AC97_EXTENDED_STATUS, |
| 1292 | 0x03 << 4, 0x03 << 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1293 | } |
| 1294 | |
| 1295 | return 0; |
| 1296 | } |
| 1297 | |
| 1298 | |
| 1299 | |
| 1300 | /* |
| 1301 | * interrupt handler |
| 1302 | */ |
| 1303 | static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| 1304 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1305 | struct atiixp *chip = dev_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1306 | unsigned int status; |
| 1307 | |
| 1308 | status = atiixp_read(chip, ISR); |
| 1309 | |
| 1310 | if (! status) |
| 1311 | return IRQ_NONE; |
| 1312 | |
| 1313 | /* process audio DMA */ |
| 1314 | if (status & ATI_REG_ISR_OUT_XRUN) |
| 1315 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1316 | else if (status & ATI_REG_ISR_OUT_STATUS) |
| 1317 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); |
| 1318 | if (status & ATI_REG_ISR_IN_XRUN) |
| 1319 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1320 | else if (status & ATI_REG_ISR_IN_STATUS) |
| 1321 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); |
| 1322 | if (! chip->spdif_over_aclink) { |
| 1323 | if (status & ATI_REG_ISR_SPDF_XRUN) |
| 1324 | snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); |
| 1325 | else if (status & ATI_REG_ISR_SPDF_STATUS) |
| 1326 | snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_SPDIF]); |
| 1327 | } |
| 1328 | |
| 1329 | /* for codec detection */ |
| 1330 | if (status & CODEC_CHECK_BITS) { |
| 1331 | unsigned int detected; |
| 1332 | detected = status & CODEC_CHECK_BITS; |
| 1333 | spin_lock(&chip->reg_lock); |
| 1334 | chip->codec_not_ready_bits |= detected; |
| 1335 | atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ |
| 1336 | spin_unlock(&chip->reg_lock); |
| 1337 | } |
| 1338 | |
| 1339 | /* ack */ |
| 1340 | atiixp_write(chip, ISR, status); |
| 1341 | |
| 1342 | return IRQ_HANDLED; |
| 1343 | } |
| 1344 | |
| 1345 | |
| 1346 | /* |
| 1347 | * ac97 mixer section |
| 1348 | */ |
| 1349 | |
| 1350 | static struct ac97_quirk ac97_quirks[] __devinitdata = { |
| 1351 | { |
Jaroslav Kysela | 69ad07c | 2005-05-30 14:48:16 +0200 | [diff] [blame] | 1352 | .subvendor = 0x103c, |
| 1353 | .subdevice = 0x006b, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1354 | .name = "HP Pavilion ZV5030US", |
| 1355 | .type = AC97_TUNE_MUTE_LED |
| 1356 | }, |
Matthew Garrett | a0faefe | 2005-12-06 13:59:12 +0100 | [diff] [blame] | 1357 | { |
| 1358 | .subvendor = 0x103c, |
| 1359 | .subdevice = 0x308b, |
| 1360 | .name = "HP nx6125", |
| 1361 | .type = AC97_TUNE_MUTE_LED |
| 1362 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | { } /* terminator */ |
| 1364 | }; |
| 1365 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1366 | static int __devinit snd_atiixp_mixer_new(struct atiixp *chip, int clock, |
| 1367 | const char *quirk_override) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1368 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1369 | struct snd_ac97_bus *pbus; |
| 1370 | struct snd_ac97_template ac97; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1371 | int i, err; |
| 1372 | int codec_count; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1373 | static struct snd_ac97_bus_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | .write = snd_atiixp_ac97_write, |
| 1375 | .read = snd_atiixp_ac97_read, |
| 1376 | }; |
| 1377 | static unsigned int codec_skip[NUM_ATI_CODECS] = { |
| 1378 | ATI_REG_ISR_CODEC0_NOT_READY, |
| 1379 | ATI_REG_ISR_CODEC1_NOT_READY, |
| 1380 | ATI_REG_ISR_CODEC2_NOT_READY, |
| 1381 | }; |
| 1382 | |
| 1383 | if (snd_atiixp_codec_detect(chip) < 0) |
| 1384 | return -ENXIO; |
| 1385 | |
| 1386 | if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) |
| 1387 | return err; |
| 1388 | pbus->clock = clock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | chip->ac97_bus = pbus; |
| 1390 | |
| 1391 | codec_count = 0; |
| 1392 | for (i = 0; i < NUM_ATI_CODECS; i++) { |
| 1393 | if (chip->codec_not_ready_bits & codec_skip[i]) |
| 1394 | continue; |
| 1395 | memset(&ac97, 0, sizeof(ac97)); |
| 1396 | ac97.private_data = chip; |
| 1397 | ac97.pci = chip->pci; |
| 1398 | ac97.num = i; |
| 1399 | ac97.scaps = AC97_SCAP_SKIP_MODEM; |
| 1400 | if (! chip->spdif_over_aclink) |
| 1401 | ac97.scaps |= AC97_SCAP_NO_SPDIF; |
| 1402 | if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { |
| 1403 | chip->ac97[i] = NULL; /* to be sure */ |
| 1404 | snd_printdd("atiixp: codec %d not available for audio\n", i); |
| 1405 | continue; |
| 1406 | } |
| 1407 | codec_count++; |
| 1408 | } |
| 1409 | |
| 1410 | if (! codec_count) { |
| 1411 | snd_printk(KERN_ERR "atiixp: no codec available\n"); |
| 1412 | return -ENODEV; |
| 1413 | } |
| 1414 | |
| 1415 | snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); |
| 1416 | |
| 1417 | return 0; |
| 1418 | } |
| 1419 | |
| 1420 | |
| 1421 | #ifdef CONFIG_PM |
| 1422 | /* |
| 1423 | * power management |
| 1424 | */ |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1425 | 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] | 1426 | { |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1427 | struct snd_card *card = pci_get_drvdata(pci); |
| 1428 | struct atiixp *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1429 | int i; |
| 1430 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1431 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
| 1433 | if (chip->pcmdevs[i]) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1434 | struct atiixp_dma *dma = &chip->dmas[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1435 | if (dma->substream && dma->running) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1436 | dma->saved_curptr = readl(chip->remap_addr + |
| 1437 | dma->ops->dt_cur); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1438 | snd_pcm_suspend_all(chip->pcmdevs[i]); |
| 1439 | } |
| 1440 | for (i = 0; i < NUM_ATI_CODECS; i++) |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1441 | snd_ac97_suspend(chip->ac97[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | snd_atiixp_aclink_down(chip); |
| 1443 | snd_atiixp_chip_stop(chip); |
| 1444 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1445 | pci_set_power_state(pci, PCI_D3hot); |
| 1446 | pci_disable_device(pci); |
| 1447 | pci_save_state(pci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | return 0; |
| 1449 | } |
| 1450 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1451 | static int snd_atiixp_resume(struct pci_dev *pci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | { |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1453 | struct snd_card *card = pci_get_drvdata(pci); |
| 1454 | struct atiixp *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1455 | int i; |
| 1456 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1457 | pci_restore_state(pci); |
| 1458 | pci_enable_device(pci); |
| 1459 | pci_set_power_state(pci, PCI_D0); |
| 1460 | pci_set_master(pci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | |
| 1462 | snd_atiixp_aclink_reset(chip); |
| 1463 | snd_atiixp_chip_start(chip); |
| 1464 | |
| 1465 | for (i = 0; i < NUM_ATI_CODECS; i++) |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1466 | snd_ac97_resume(chip->ac97[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1467 | |
| 1468 | for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
| 1469 | if (chip->pcmdevs[i]) { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1470 | struct atiixp_dma *dma = &chip->dmas[i]; |
Jaroslav Kysela | 41e4845 | 2005-08-18 13:43:12 +0200 | [diff] [blame] | 1471 | if (dma->substream && dma->suspended) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1472 | dma->ops->enable_dma(chip, 1); |
Takashi Iwai | 8e3d759 | 2005-09-01 11:56:34 +0200 | [diff] [blame] | 1473 | dma->substream->ops->prepare(dma->substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, |
| 1475 | chip->remap_addr + dma->ops->llp_offset); |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1476 | writel(dma->saved_curptr, chip->remap_addr + |
| 1477 | dma->ops->dt_cur); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1478 | } |
| 1479 | } |
| 1480 | |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1481 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | return 0; |
| 1483 | } |
| 1484 | #endif /* CONFIG_PM */ |
| 1485 | |
| 1486 | |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1487 | #ifdef CONFIG_PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1488 | /* |
| 1489 | * proc interface for register dump |
| 1490 | */ |
| 1491 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1492 | static void snd_atiixp_proc_read(struct snd_info_entry *entry, |
| 1493 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1494 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1495 | struct atiixp *chip = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1496 | int i; |
| 1497 | |
| 1498 | for (i = 0; i < 256; i += 4) |
| 1499 | snd_iprintf(buffer, "%02x: %08x\n", i, readl(chip->remap_addr + i)); |
| 1500 | } |
| 1501 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1502 | static void __devinit snd_atiixp_proc_init(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1503 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1504 | struct snd_info_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | |
| 1506 | if (! snd_card_proc_new(chip->card, "atiixp", &entry)) |
| 1507 | snd_info_set_text_ops(entry, chip, 1024, snd_atiixp_proc_read); |
| 1508 | } |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1509 | #else /* !CONFIG_PROC_FS */ |
| 1510 | #define snd_atiixp_proc_init(chip) |
| 1511 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | |
| 1513 | |
| 1514 | /* |
| 1515 | * destructor |
| 1516 | */ |
| 1517 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1518 | static int snd_atiixp_free(struct atiixp *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1519 | { |
| 1520 | if (chip->irq < 0) |
| 1521 | goto __hw_end; |
| 1522 | snd_atiixp_chip_stop(chip); |
| 1523 | synchronize_irq(chip->irq); |
| 1524 | __hw_end: |
| 1525 | if (chip->irq >= 0) |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1526 | free_irq(chip->irq, chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1527 | if (chip->remap_addr) |
| 1528 | iounmap(chip->remap_addr); |
| 1529 | pci_release_regions(chip->pci); |
| 1530 | pci_disable_device(chip->pci); |
| 1531 | kfree(chip); |
| 1532 | return 0; |
| 1533 | } |
| 1534 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1535 | static int snd_atiixp_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1536 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1537 | struct atiixp *chip = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1538 | return snd_atiixp_free(chip); |
| 1539 | } |
| 1540 | |
| 1541 | /* |
| 1542 | * constructor for chip instance |
| 1543 | */ |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1544 | static int __devinit snd_atiixp_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1545 | struct pci_dev *pci, |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1546 | struct atiixp **r_chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1547 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1548 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1549 | .dev_free = snd_atiixp_dev_free, |
| 1550 | }; |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1551 | struct atiixp *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1552 | int err; |
| 1553 | |
| 1554 | if ((err = pci_enable_device(pci)) < 0) |
| 1555 | return err; |
| 1556 | |
Takashi Iwai | e560d8d | 2005-09-09 14:21:46 +0200 | [diff] [blame] | 1557 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | if (chip == NULL) { |
| 1559 | pci_disable_device(pci); |
| 1560 | return -ENOMEM; |
| 1561 | } |
| 1562 | |
| 1563 | spin_lock_init(&chip->reg_lock); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1564 | mutex_init(&chip->open_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | chip->card = card; |
| 1566 | chip->pci = pci; |
| 1567 | chip->irq = -1; |
| 1568 | if ((err = pci_request_regions(pci, "ATI IXP AC97")) < 0) { |
| 1569 | pci_disable_device(pci); |
| 1570 | kfree(chip); |
| 1571 | return err; |
| 1572 | } |
| 1573 | chip->addr = pci_resource_start(pci, 0); |
| 1574 | chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci, 0)); |
| 1575 | if (chip->remap_addr == NULL) { |
| 1576 | snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); |
| 1577 | snd_atiixp_free(chip); |
| 1578 | return -EIO; |
| 1579 | } |
| 1580 | |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1581 | if (request_irq(pci->irq, snd_atiixp_interrupt, SA_INTERRUPT|SA_SHIRQ, |
| 1582 | card->shortname, chip)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1583 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
| 1584 | snd_atiixp_free(chip); |
| 1585 | return -EBUSY; |
| 1586 | } |
| 1587 | chip->irq = pci->irq; |
| 1588 | pci_set_master(pci); |
| 1589 | synchronize_irq(chip->irq); |
| 1590 | |
| 1591 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 1592 | snd_atiixp_free(chip); |
| 1593 | return err; |
| 1594 | } |
| 1595 | |
| 1596 | snd_card_set_dev(card, &pci->dev); |
| 1597 | |
| 1598 | *r_chip = chip; |
| 1599 | return 0; |
| 1600 | } |
| 1601 | |
| 1602 | |
| 1603 | static int __devinit snd_atiixp_probe(struct pci_dev *pci, |
| 1604 | const struct pci_device_id *pci_id) |
| 1605 | { |
Takashi Iwai | 74ee4ff | 2005-11-17 15:02:23 +0100 | [diff] [blame] | 1606 | struct snd_card *card; |
| 1607 | struct atiixp *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1608 | unsigned char revision; |
| 1609 | int err; |
| 1610 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1611 | card = snd_card_new(index, id, THIS_MODULE, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1612 | if (card == NULL) |
| 1613 | return -ENOMEM; |
| 1614 | |
| 1615 | pci_read_config_byte(pci, PCI_REVISION_ID, &revision); |
| 1616 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1617 | strcpy(card->driver, spdif_aclink ? "ATIIXP" : "ATIIXP-SPDMA"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1618 | strcpy(card->shortname, "ATI IXP"); |
| 1619 | if ((err = snd_atiixp_create(card, pci, &chip)) < 0) |
| 1620 | goto __error; |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1621 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1622 | |
| 1623 | if ((err = snd_atiixp_aclink_reset(chip)) < 0) |
| 1624 | goto __error; |
| 1625 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1626 | chip->spdif_over_aclink = spdif_aclink; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1627 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1628 | if ((err = snd_atiixp_mixer_new(chip, ac97_clock, ac97_quirk)) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1629 | goto __error; |
| 1630 | |
| 1631 | if ((err = snd_atiixp_pcm_new(chip)) < 0) |
| 1632 | goto __error; |
| 1633 | |
| 1634 | snd_atiixp_proc_init(chip); |
| 1635 | |
| 1636 | snd_atiixp_chip_start(chip); |
| 1637 | |
| 1638 | snprintf(card->longname, sizeof(card->longname), |
| 1639 | "%s rev %x with %s at %#lx, irq %i", card->shortname, revision, |
| 1640 | chip->ac97[0] ? snd_ac97_get_short_name(chip->ac97[0]) : "?", |
| 1641 | chip->addr, chip->irq); |
| 1642 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | if ((err = snd_card_register(card)) < 0) |
| 1644 | goto __error; |
| 1645 | |
| 1646 | pci_set_drvdata(pci, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | return 0; |
| 1648 | |
| 1649 | __error: |
| 1650 | snd_card_free(card); |
| 1651 | return err; |
| 1652 | } |
| 1653 | |
| 1654 | static void __devexit snd_atiixp_remove(struct pci_dev *pci) |
| 1655 | { |
| 1656 | snd_card_free(pci_get_drvdata(pci)); |
| 1657 | pci_set_drvdata(pci, NULL); |
| 1658 | } |
| 1659 | |
| 1660 | static struct pci_driver driver = { |
| 1661 | .name = "ATI IXP AC97 controller", |
| 1662 | .id_table = snd_atiixp_ids, |
| 1663 | .probe = snd_atiixp_probe, |
| 1664 | .remove = __devexit_p(snd_atiixp_remove), |
Takashi Iwai | 92304cc | 2005-11-17 16:07:46 +0100 | [diff] [blame] | 1665 | #ifdef CONFIG_PM |
| 1666 | .suspend = snd_atiixp_suspend, |
| 1667 | .resume = snd_atiixp_resume, |
| 1668 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | }; |
| 1670 | |
| 1671 | |
| 1672 | static int __init alsa_card_atiixp_init(void) |
| 1673 | { |
Takashi Iwai | 01d25d4 | 2005-04-11 16:58:24 +0200 | [diff] [blame] | 1674 | return pci_register_driver(&driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1675 | } |
| 1676 | |
| 1677 | static void __exit alsa_card_atiixp_exit(void) |
| 1678 | { |
| 1679 | pci_unregister_driver(&driver); |
| 1680 | } |
| 1681 | |
| 1682 | module_init(alsa_card_atiixp_init) |
| 1683 | module_exit(alsa_card_atiixp_exit) |