Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ALSA modem driver for Intel ICH (i8x0) chipsets |
| 3 | * |
| 4 | * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> |
| 5 | * |
Sasha Khapyorsky | f01cc52 | 2005-10-10 11:45:31 +0200 | [diff] [blame] | 6 | * This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * of ALSA ICH sound driver intel8x0.c . |
| 8 | * |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include <sound/driver.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <linux/delay.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <linux/init.h> |
| 31 | #include <linux/pci.h> |
| 32 | #include <linux/slab.h> |
| 33 | #include <linux/moduleparam.h> |
| 34 | #include <sound/core.h> |
| 35 | #include <sound/pcm.h> |
| 36 | #include <sound/ac97_codec.h> |
| 37 | #include <sound/info.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #include <sound/initval.h> |
| 39 | |
| 40 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 41 | MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; " |
| 42 | "SiS 7013; NVidia MCP/2/2S/3 modems"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | MODULE_LICENSE("GPL"); |
| 44 | MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH}," |
| 45 | "{Intel,82901AB-ICH0}," |
| 46 | "{Intel,82801BA-ICH2}," |
| 47 | "{Intel,82801CA-ICH3}," |
| 48 | "{Intel,82801DB-ICH4}," |
| 49 | "{Intel,ICH5}," |
| 50 | "{Intel,ICH6}," |
| 51 | "{Intel,ICH7}," |
| 52 | "{Intel,MX440}," |
| 53 | "{SiS,7013}," |
| 54 | "{NVidia,NForce Modem}," |
| 55 | "{NVidia,NForce2 Modem}," |
| 56 | "{NVidia,NForce2s Modem}," |
| 57 | "{NVidia,NForce3 Modem}," |
| 58 | "{AMD,AMD768}}"); |
| 59 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 60 | static int index = -2; /* Exclude the first card */ |
| 61 | static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
| 62 | static int ac97_clock = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 64 | module_param(index, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 66 | module_param(id, charp, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard."); |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 68 | module_param(ac97_clock, int, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect)."); |
| 70 | |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 71 | /* just for backward compatibility */ |
| 72 | static int enable; |
Takashi Iwai | 698444f | 2005-10-20 16:53:49 +0200 | [diff] [blame] | 73 | module_param(enable, bool, 0444); |
Takashi Iwai | 2b3e584 | 2005-10-06 13:47:23 +0200 | [diff] [blame] | 74 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | /* |
| 76 | * Direct registers |
| 77 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; |
| 79 | |
| 80 | #define ICHREG(x) ICH_REG_##x |
| 81 | |
| 82 | #define DEFINE_REGSET(name,base) \ |
| 83 | enum { \ |
| 84 | ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ |
| 85 | ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ |
| 86 | ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ |
| 87 | ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ |
| 88 | ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ |
| 89 | ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ |
| 90 | ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ |
| 91 | }; |
| 92 | |
| 93 | /* busmaster blocks */ |
| 94 | DEFINE_REGSET(OFF, 0); /* offset */ |
| 95 | |
| 96 | /* values for each busmaster block */ |
| 97 | |
| 98 | /* LVI */ |
| 99 | #define ICH_REG_LVI_MASK 0x1f |
| 100 | |
| 101 | /* SR */ |
| 102 | #define ICH_FIFOE 0x10 /* FIFO error */ |
| 103 | #define ICH_BCIS 0x08 /* buffer completion interrupt status */ |
| 104 | #define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */ |
| 105 | #define ICH_CELV 0x02 /* current equals last valid */ |
| 106 | #define ICH_DCH 0x01 /* DMA controller halted */ |
| 107 | |
| 108 | /* PIV */ |
| 109 | #define ICH_REG_PIV_MASK 0x1f /* mask */ |
| 110 | |
| 111 | /* CR */ |
| 112 | #define ICH_IOCE 0x10 /* interrupt on completion enable */ |
| 113 | #define ICH_FEIE 0x08 /* fifo error interrupt enable */ |
| 114 | #define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */ |
| 115 | #define ICH_RESETREGS 0x02 /* reset busmaster registers */ |
| 116 | #define ICH_STARTBM 0x01 /* start busmaster operation */ |
| 117 | |
| 118 | |
| 119 | /* global block */ |
| 120 | #define ICH_REG_GLOB_CNT 0x3c /* dword - global control */ |
| 121 | #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ |
| 122 | #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ |
| 123 | #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ |
| 124 | #define ICH_ACLINK 0x00000008 /* AClink shut off */ |
| 125 | #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ |
| 126 | #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ |
| 127 | #define ICH_GIE 0x00000001 /* GPI interrupt enable */ |
| 128 | #define ICH_REG_GLOB_STA 0x40 /* dword - global status */ |
| 129 | #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ |
| 130 | #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ |
| 131 | #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ |
| 132 | #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ |
| 133 | #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ |
| 134 | #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ |
| 135 | #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ |
| 136 | #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ |
| 137 | #define ICH_MD3 0x00020000 /* modem power down semaphore */ |
| 138 | #define ICH_AD3 0x00010000 /* audio power down semaphore */ |
| 139 | #define ICH_RCS 0x00008000 /* read completion status */ |
| 140 | #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ |
| 141 | #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ |
| 142 | #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ |
| 143 | #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ |
| 144 | #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ |
| 145 | #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ |
| 146 | #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ |
| 147 | #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ |
| 148 | #define ICH_POINT 0x00000040 /* playback interrupt */ |
| 149 | #define ICH_PIINT 0x00000020 /* capture interrupt */ |
| 150 | #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ |
| 151 | #define ICH_MOINT 0x00000004 /* modem playback interrupt */ |
| 152 | #define ICH_MIINT 0x00000002 /* modem capture interrupt */ |
| 153 | #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ |
| 154 | #define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */ |
| 155 | #define ICH_CAS 0x01 /* codec access semaphore */ |
| 156 | |
| 157 | #define ICH_MAX_FRAGS 32 /* max hw frags */ |
| 158 | |
| 159 | |
| 160 | /* |
| 161 | * |
| 162 | */ |
| 163 | |
| 164 | enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT }; |
| 165 | enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT }; |
| 166 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 167 | #define get_ichdev(substream) (substream->runtime->private_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 169 | struct ichdev { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | unsigned int ichd; /* ich device number */ |
| 171 | unsigned long reg_offset; /* offset to bmaddr */ |
| 172 | u32 *bdbar; /* CPU address (32bit) */ |
| 173 | unsigned int bdbar_addr; /* PCI bus address (32bit) */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 174 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | unsigned int physbuf; /* physical address (32bit) */ |
| 176 | unsigned int size; |
| 177 | unsigned int fragsize; |
| 178 | unsigned int fragsize1; |
| 179 | unsigned int position; |
| 180 | int frags; |
| 181 | int lvi; |
| 182 | int lvi_frag; |
| 183 | int civ; |
| 184 | int ack; |
| 185 | int ack_reload; |
| 186 | unsigned int ack_bit; |
| 187 | unsigned int roff_sr; |
| 188 | unsigned int roff_picb; |
| 189 | unsigned int int_sta_mask; /* interrupt status mask */ |
| 190 | unsigned int ali_slot; /* ALI DMA slot */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 191 | struct snd_ac97 *ac97; |
| 192 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 194 | struct intel8x0m { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | unsigned int device_type; |
| 196 | |
| 197 | int irq; |
| 198 | |
| 199 | unsigned int mmio; |
| 200 | unsigned long addr; |
| 201 | void __iomem *remap_addr; |
| 202 | unsigned int bm_mmio; |
| 203 | unsigned long bmaddr; |
| 204 | void __iomem *remap_bmaddr; |
| 205 | |
| 206 | struct pci_dev *pci; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 207 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | |
| 209 | int pcm_devs; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 210 | struct snd_pcm *pcm[2]; |
| 211 | struct ichdev ichd[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | |
| 213 | unsigned int in_ac97_init: 1; |
| 214 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 215 | struct snd_ac97_bus *ac97_bus; |
| 216 | struct snd_ac97 *ac97; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | |
| 218 | spinlock_t reg_lock; |
| 219 | |
| 220 | struct snd_dma_buffer bdbars; |
| 221 | u32 bdbars_count; |
| 222 | u32 int_sta_reg; /* interrupt status register */ |
| 223 | u32 int_sta_mask; /* interrupt status mask */ |
| 224 | unsigned int pcm_pos_shift; |
| 225 | }; |
| 226 | |
Henrik Kretzschmar | 396c9b9 | 2006-04-24 15:59:04 +0200 | [diff] [blame^] | 227 | static struct pci_device_id snd_intel8x0m_ids[] __devinitdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | { 0x8086, 0x2416, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */ |
| 229 | { 0x8086, 0x2426, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */ |
| 230 | { 0x8086, 0x2446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */ |
| 231 | { 0x8086, 0x2486, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */ |
| 232 | { 0x8086, 0x24c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH4 */ |
| 233 | { 0x8086, 0x24d6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH5 */ |
| 234 | { 0x8086, 0x266d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH6 */ |
| 235 | { 0x8086, 0x27dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH7 */ |
| 236 | { 0x8086, 0x7196, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */ |
| 237 | { 0x1022, 0x7446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */ |
| 238 | { 0x1039, 0x7013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7013 */ |
| 239 | { 0x10de, 0x01c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */ |
| 240 | { 0x10de, 0x0069, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */ |
| 241 | { 0x10de, 0x0089, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2s */ |
| 242 | { 0x10de, 0x00d9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */ |
| 243 | #if 0 |
| 244 | { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */ |
| 245 | { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */ |
| 246 | #endif |
| 247 | { 0, } |
| 248 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
| 250 | MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids); |
| 251 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | /* |
| 253 | * Lowlevel I/O - busmaster |
| 254 | */ |
| 255 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 256 | static u8 igetbyte(struct intel8x0m *chip, u32 offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | { |
| 258 | if (chip->bm_mmio) |
| 259 | return readb(chip->remap_bmaddr + offset); |
| 260 | else |
| 261 | return inb(chip->bmaddr + offset); |
| 262 | } |
| 263 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 264 | static u16 igetword(struct intel8x0m *chip, u32 offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | { |
| 266 | if (chip->bm_mmio) |
| 267 | return readw(chip->remap_bmaddr + offset); |
| 268 | else |
| 269 | return inw(chip->bmaddr + offset); |
| 270 | } |
| 271 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 272 | static u32 igetdword(struct intel8x0m *chip, u32 offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | { |
| 274 | if (chip->bm_mmio) |
| 275 | return readl(chip->remap_bmaddr + offset); |
| 276 | else |
| 277 | return inl(chip->bmaddr + offset); |
| 278 | } |
| 279 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 280 | static void iputbyte(struct intel8x0m *chip, u32 offset, u8 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | { |
| 282 | if (chip->bm_mmio) |
| 283 | writeb(val, chip->remap_bmaddr + offset); |
| 284 | else |
| 285 | outb(val, chip->bmaddr + offset); |
| 286 | } |
| 287 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 288 | static void iputword(struct intel8x0m *chip, u32 offset, u16 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | { |
| 290 | if (chip->bm_mmio) |
| 291 | writew(val, chip->remap_bmaddr + offset); |
| 292 | else |
| 293 | outw(val, chip->bmaddr + offset); |
| 294 | } |
| 295 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 296 | static void iputdword(struct intel8x0m *chip, u32 offset, u32 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | { |
| 298 | if (chip->bm_mmio) |
| 299 | writel(val, chip->remap_bmaddr + offset); |
| 300 | else |
| 301 | outl(val, chip->bmaddr + offset); |
| 302 | } |
| 303 | |
| 304 | /* |
| 305 | * Lowlevel I/O - AC'97 registers |
| 306 | */ |
| 307 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 308 | static u16 iagetword(struct intel8x0m *chip, u32 offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | { |
| 310 | if (chip->mmio) |
| 311 | return readw(chip->remap_addr + offset); |
| 312 | else |
| 313 | return inw(chip->addr + offset); |
| 314 | } |
| 315 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 316 | static void iaputword(struct intel8x0m *chip, u32 offset, u16 val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | { |
| 318 | if (chip->mmio) |
| 319 | writew(val, chip->remap_addr + offset); |
| 320 | else |
| 321 | outw(val, chip->addr + offset); |
| 322 | } |
| 323 | |
| 324 | /* |
| 325 | * Basic I/O |
| 326 | */ |
| 327 | |
| 328 | /* |
| 329 | * access to AC97 codec via normal i/o (for ICH and SIS7013) |
| 330 | */ |
| 331 | |
| 332 | /* return the GLOB_STA bit for the corresponding codec */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 333 | static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | { |
| 335 | static unsigned int codec_bit[3] = { |
| 336 | ICH_PCR, ICH_SCR, ICH_TCR |
| 337 | }; |
| 338 | snd_assert(codec < 3, return ICH_PCR); |
| 339 | return codec_bit[codec]; |
| 340 | } |
| 341 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 342 | static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | { |
| 344 | int time; |
| 345 | |
| 346 | if (codec > 1) |
| 347 | return -EIO; |
| 348 | codec = get_ich_codec_bit(chip, codec); |
| 349 | |
| 350 | /* codec ready ? */ |
| 351 | if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) |
| 352 | return -EIO; |
| 353 | |
| 354 | /* Anyone holding a semaphore for 1 msec should be shot... */ |
| 355 | time = 100; |
| 356 | do { |
| 357 | if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) |
| 358 | return 0; |
| 359 | udelay(10); |
| 360 | } while (time--); |
| 361 | |
| 362 | /* access to some forbidden (non existant) ac97 registers will not |
| 363 | * reset the semaphore. So even if you don't get the semaphore, still |
| 364 | * continue the access. We don't need the semaphore anyway. */ |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 365 | snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); |
| 367 | iagetword(chip, 0); /* clear semaphore flag */ |
| 368 | /* I don't care about the semaphore */ |
| 369 | return -EBUSY; |
| 370 | } |
| 371 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 372 | static void snd_intel8x0_codec_write(struct snd_ac97 *ac97, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | unsigned short reg, |
| 374 | unsigned short val) |
| 375 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 376 | struct intel8x0m *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | |
| 378 | if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { |
| 379 | if (! chip->in_ac97_init) |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 380 | snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | } |
| 382 | iaputword(chip, reg + ac97->num * 0x80, val); |
| 383 | } |
| 384 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 385 | static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | unsigned short reg) |
| 387 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 388 | struct intel8x0m *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | unsigned short res; |
| 390 | unsigned int tmp; |
| 391 | |
| 392 | if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { |
| 393 | if (! chip->in_ac97_init) |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 394 | snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | res = 0xffff; |
| 396 | } else { |
| 397 | res = iagetword(chip, reg + ac97->num * 0x80); |
| 398 | if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { |
| 399 | /* reset RCS and preserve other R/WC bits */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 400 | iputdword(chip, ICHREG(GLOB_STA), |
| 401 | tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | if (! chip->in_ac97_init) |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 403 | snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | res = 0xffff; |
| 405 | } |
| 406 | } |
Sasha Khapyorsky | 2c56c47 | 2005-04-07 20:21:21 +0200 | [diff] [blame] | 407 | if (reg == AC97_GPIO_STATUS) |
| 408 | iagetword(chip, 0); /* clear semaphore */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | return res; |
| 410 | } |
| 411 | |
| 412 | |
| 413 | /* |
| 414 | * DMA I/O |
| 415 | */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 416 | static void snd_intel8x0_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | { |
| 418 | int idx; |
| 419 | u32 *bdbar = ichdev->bdbar; |
| 420 | unsigned long port = ichdev->reg_offset; |
| 421 | |
| 422 | iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); |
| 423 | if (ichdev->size == ichdev->fragsize) { |
| 424 | ichdev->ack_reload = ichdev->ack = 2; |
| 425 | ichdev->fragsize1 = ichdev->fragsize >> 1; |
| 426 | for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { |
| 427 | bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); |
| 428 | bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ |
| 429 | ichdev->fragsize1 >> chip->pcm_pos_shift); |
| 430 | bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); |
| 431 | bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ |
| 432 | ichdev->fragsize1 >> chip->pcm_pos_shift); |
| 433 | } |
| 434 | ichdev->frags = 2; |
| 435 | } else { |
| 436 | ichdev->ack_reload = ichdev->ack = 1; |
| 437 | ichdev->fragsize1 = ichdev->fragsize; |
| 438 | for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { |
| 439 | bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size)); |
| 440 | bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ |
| 441 | ichdev->fragsize >> chip->pcm_pos_shift); |
| 442 | // printk("bdbar[%i] = 0x%x [0x%x]\n", idx + 0, bdbar[idx + 0], bdbar[idx + 1]); |
| 443 | } |
| 444 | ichdev->frags = ichdev->size / ichdev->fragsize; |
| 445 | } |
| 446 | iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); |
| 447 | ichdev->civ = 0; |
| 448 | iputbyte(chip, port + ICH_REG_OFF_CIV, 0); |
| 449 | ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; |
| 450 | ichdev->position = 0; |
| 451 | #if 0 |
| 452 | printk("lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n", |
| 453 | ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, ichdev->fragsize1); |
| 454 | #endif |
| 455 | /* clear interrupts */ |
| 456 | iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); |
| 457 | } |
| 458 | |
| 459 | /* |
| 460 | * Interrupt handler |
| 461 | */ |
| 462 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 463 | static inline void snd_intel8x0_update(struct intel8x0m *chip, struct ichdev *ichdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | { |
| 465 | unsigned long port = ichdev->reg_offset; |
| 466 | int civ, i, step; |
| 467 | int ack = 0; |
| 468 | |
| 469 | civ = igetbyte(chip, port + ICH_REG_OFF_CIV); |
| 470 | if (civ == ichdev->civ) { |
| 471 | // snd_printd("civ same %d\n", civ); |
| 472 | step = 1; |
| 473 | ichdev->civ++; |
| 474 | ichdev->civ &= ICH_REG_LVI_MASK; |
| 475 | } else { |
| 476 | step = civ - ichdev->civ; |
| 477 | if (step < 0) |
| 478 | step += ICH_REG_LVI_MASK + 1; |
| 479 | // if (step != 1) |
| 480 | // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); |
| 481 | ichdev->civ = civ; |
| 482 | } |
| 483 | |
| 484 | ichdev->position += step * ichdev->fragsize1; |
| 485 | ichdev->position %= ichdev->size; |
| 486 | ichdev->lvi += step; |
| 487 | ichdev->lvi &= ICH_REG_LVI_MASK; |
| 488 | iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); |
| 489 | for (i = 0; i < step; i++) { |
| 490 | ichdev->lvi_frag++; |
| 491 | ichdev->lvi_frag %= ichdev->frags; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 492 | ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + |
| 493 | ichdev->lvi_frag * |
| 494 | ichdev->fragsize1); |
| 495 | #if 0 |
| 496 | printk("new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n", |
| 497 | ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], |
| 498 | ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), |
| 499 | inl(port + 4), inb(port + ICH_REG_OFF_CR)); |
| 500 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | if (--ichdev->ack == 0) { |
| 502 | ichdev->ack = ichdev->ack_reload; |
| 503 | ack = 1; |
| 504 | } |
| 505 | } |
| 506 | if (ack && ichdev->substream) { |
| 507 | spin_unlock(&chip->reg_lock); |
| 508 | snd_pcm_period_elapsed(ichdev->substream); |
| 509 | spin_lock(&chip->reg_lock); |
| 510 | } |
| 511 | iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); |
| 512 | } |
| 513 | |
| 514 | static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| 515 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 516 | struct intel8x0m *chip = dev_id; |
| 517 | struct ichdev *ichdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | unsigned int status; |
| 519 | unsigned int i; |
| 520 | |
| 521 | spin_lock(&chip->reg_lock); |
| 522 | status = igetdword(chip, chip->int_sta_reg); |
| 523 | if (status == 0xffffffff) { /* we are not yet resumed */ |
| 524 | spin_unlock(&chip->reg_lock); |
| 525 | return IRQ_NONE; |
| 526 | } |
| 527 | if ((status & chip->int_sta_mask) == 0) { |
| 528 | if (status) |
| 529 | iputdword(chip, chip->int_sta_reg, status); |
| 530 | spin_unlock(&chip->reg_lock); |
| 531 | return IRQ_NONE; |
| 532 | } |
| 533 | |
| 534 | for (i = 0; i < chip->bdbars_count; i++) { |
| 535 | ichdev = &chip->ichd[i]; |
| 536 | if (status & ichdev->int_sta_mask) |
| 537 | snd_intel8x0_update(chip, ichdev); |
| 538 | } |
| 539 | |
| 540 | /* ack them */ |
| 541 | iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); |
| 542 | spin_unlock(&chip->reg_lock); |
| 543 | |
| 544 | return IRQ_HANDLED; |
| 545 | } |
| 546 | |
| 547 | /* |
| 548 | * PCM part |
| 549 | */ |
| 550 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 551 | static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 553 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| 554 | struct ichdev *ichdev = get_ichdev(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | unsigned char val = 0; |
| 556 | unsigned long port = ichdev->reg_offset; |
| 557 | |
| 558 | switch (cmd) { |
| 559 | case SNDRV_PCM_TRIGGER_START: |
| 560 | case SNDRV_PCM_TRIGGER_RESUME: |
| 561 | val = ICH_IOCE | ICH_STARTBM; |
| 562 | break; |
| 563 | case SNDRV_PCM_TRIGGER_STOP: |
| 564 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 565 | val = 0; |
| 566 | break; |
| 567 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 568 | val = ICH_IOCE; |
| 569 | break; |
| 570 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 571 | val = ICH_IOCE | ICH_STARTBM; |
| 572 | break; |
| 573 | default: |
| 574 | return -EINVAL; |
| 575 | } |
| 576 | iputbyte(chip, port + ICH_REG_OFF_CR, val); |
| 577 | if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 578 | /* wait until DMA stopped */ |
| 579 | while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; |
| 580 | /* reset whole DMA things */ |
| 581 | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); |
| 582 | } |
| 583 | return 0; |
| 584 | } |
| 585 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 586 | static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream, |
| 587 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | { |
| 589 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 590 | } |
| 591 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 592 | static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | { |
| 594 | return snd_pcm_lib_free_pages(substream); |
| 595 | } |
| 596 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 597 | static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 599 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| 600 | struct ichdev *ichdev = get_ichdev(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | size_t ptr1, ptr; |
| 602 | |
| 603 | ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift; |
| 604 | if (ptr1 != 0) |
| 605 | ptr = ichdev->fragsize1 - ptr1; |
| 606 | else |
| 607 | ptr = 0; |
| 608 | ptr += ichdev->position; |
| 609 | if (ptr >= ichdev->size) |
| 610 | return 0; |
| 611 | return bytes_to_frames(substream->runtime, ptr); |
| 612 | } |
| 613 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 614 | static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 616 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| 617 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 618 | struct ichdev *ichdev = get_ichdev(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | |
| 620 | ichdev->physbuf = runtime->dma_addr; |
| 621 | ichdev->size = snd_pcm_lib_buffer_bytes(substream); |
| 622 | ichdev->fragsize = snd_pcm_lib_period_bytes(substream); |
| 623 | snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate); |
| 624 | snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0); |
| 625 | snd_intel8x0_setup_periods(chip, ichdev); |
| 626 | return 0; |
| 627 | } |
| 628 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 629 | static struct snd_pcm_hardware snd_intel8x0m_stream = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | { |
| 631 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 632 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 633 | SNDRV_PCM_INFO_MMAP_VALID | |
| 634 | SNDRV_PCM_INFO_PAUSE | |
| 635 | SNDRV_PCM_INFO_RESUME), |
| 636 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 637 | .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT, |
| 638 | .rate_min = 8000, |
| 639 | .rate_max = 16000, |
| 640 | .channels_min = 1, |
| 641 | .channels_max = 1, |
| 642 | .buffer_bytes_max = 64 * 1024, |
| 643 | .period_bytes_min = 32, |
| 644 | .period_bytes_max = 64 * 1024, |
| 645 | .periods_min = 1, |
| 646 | .periods_max = 1024, |
| 647 | .fifo_size = 0, |
| 648 | }; |
| 649 | |
| 650 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 651 | static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | { |
| 653 | static unsigned int rates[] = { 8000, 9600, 12000, 16000 }; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 654 | static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | .count = ARRAY_SIZE(rates), |
| 656 | .list = rates, |
| 657 | .mask = 0, |
| 658 | }; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 659 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | int err; |
| 661 | |
| 662 | ichdev->substream = substream; |
| 663 | runtime->hw = snd_intel8x0m_stream; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 664 | err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 665 | &hw_constraints_rates); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | if ( err < 0 ) |
| 667 | return err; |
| 668 | runtime->private_data = ichdev; |
| 669 | return 0; |
| 670 | } |
| 671 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 672 | static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 674 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | |
| 676 | return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]); |
| 677 | } |
| 678 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 679 | static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 681 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | |
| 683 | chip->ichd[ICHD_MDMOUT].substream = NULL; |
| 684 | return 0; |
| 685 | } |
| 686 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 687 | static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 689 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 690 | |
| 691 | return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]); |
| 692 | } |
| 693 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 694 | static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 696 | struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | |
| 698 | chip->ichd[ICHD_MDMIN].substream = NULL; |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 703 | static struct snd_pcm_ops snd_intel8x0m_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | .open = snd_intel8x0m_playback_open, |
| 705 | .close = snd_intel8x0m_playback_close, |
| 706 | .ioctl = snd_pcm_lib_ioctl, |
| 707 | .hw_params = snd_intel8x0_hw_params, |
| 708 | .hw_free = snd_intel8x0_hw_free, |
| 709 | .prepare = snd_intel8x0m_pcm_prepare, |
Sasha Khapyorsky | 83a5b72 | 2005-05-29 15:10:07 +0200 | [diff] [blame] | 710 | .trigger = snd_intel8x0_pcm_trigger, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | .pointer = snd_intel8x0_pcm_pointer, |
| 712 | }; |
| 713 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 714 | static struct snd_pcm_ops snd_intel8x0m_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | .open = snd_intel8x0m_capture_open, |
| 716 | .close = snd_intel8x0m_capture_close, |
| 717 | .ioctl = snd_pcm_lib_ioctl, |
| 718 | .hw_params = snd_intel8x0_hw_params, |
| 719 | .hw_free = snd_intel8x0_hw_free, |
| 720 | .prepare = snd_intel8x0m_pcm_prepare, |
Sasha Khapyorsky | 83a5b72 | 2005-05-29 15:10:07 +0200 | [diff] [blame] | 721 | .trigger = snd_intel8x0_pcm_trigger, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | .pointer = snd_intel8x0_pcm_pointer, |
| 723 | }; |
| 724 | |
| 725 | |
| 726 | struct ich_pcm_table { |
| 727 | char *suffix; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 728 | struct snd_pcm_ops *playback_ops; |
| 729 | struct snd_pcm_ops *capture_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | size_t prealloc_size; |
| 731 | size_t prealloc_max_size; |
| 732 | int ac97_idx; |
| 733 | }; |
| 734 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 735 | static int __devinit snd_intel8x0_pcm1(struct intel8x0m *chip, int device, |
| 736 | struct ich_pcm_table *rec) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 738 | struct snd_pcm *pcm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | int err; |
| 740 | char name[32]; |
| 741 | |
| 742 | if (rec->suffix) |
| 743 | sprintf(name, "Intel ICH - %s", rec->suffix); |
| 744 | else |
| 745 | strcpy(name, "Intel ICH"); |
| 746 | err = snd_pcm_new(chip->card, name, device, |
| 747 | rec->playback_ops ? 1 : 0, |
| 748 | rec->capture_ops ? 1 : 0, &pcm); |
| 749 | if (err < 0) |
| 750 | return err; |
| 751 | |
| 752 | if (rec->playback_ops) |
| 753 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); |
| 754 | if (rec->capture_ops) |
| 755 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); |
| 756 | |
| 757 | pcm->private_data = chip; |
| 758 | pcm->info_flags = 0; |
Sasha Khapyorsky | 6632d19 | 2005-09-29 11:48:17 +0200 | [diff] [blame] | 759 | pcm->dev_class = SNDRV_PCM_CLASS_MODEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 760 | if (rec->suffix) |
| 761 | sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); |
| 762 | else |
| 763 | strcpy(pcm->name, chip->card->shortname); |
| 764 | chip->pcm[device] = pcm; |
| 765 | |
| 766 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 767 | snd_dma_pci_data(chip->pci), |
| 768 | rec->prealloc_size, |
| 769 | rec->prealloc_max_size); |
| 770 | |
| 771 | return 0; |
| 772 | } |
| 773 | |
| 774 | static struct ich_pcm_table intel_pcms[] __devinitdata = { |
| 775 | { |
| 776 | .suffix = "Modem", |
| 777 | .playback_ops = &snd_intel8x0m_playback_ops, |
| 778 | .capture_ops = &snd_intel8x0m_capture_ops, |
| 779 | .prealloc_size = 32 * 1024, |
| 780 | .prealloc_max_size = 64 * 1024, |
| 781 | }, |
| 782 | }; |
| 783 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 784 | static int __devinit snd_intel8x0_pcm(struct intel8x0m *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | { |
| 786 | int i, tblsize, device, err; |
| 787 | struct ich_pcm_table *tbl, *rec; |
| 788 | |
| 789 | #if 1 |
| 790 | tbl = intel_pcms; |
| 791 | tblsize = 1; |
| 792 | #else |
| 793 | switch (chip->device_type) { |
| 794 | case DEVICE_NFORCE: |
| 795 | tbl = nforce_pcms; |
| 796 | tblsize = ARRAY_SIZE(nforce_pcms); |
| 797 | break; |
| 798 | case DEVICE_ALI: |
| 799 | tbl = ali_pcms; |
| 800 | tblsize = ARRAY_SIZE(ali_pcms); |
| 801 | break; |
| 802 | default: |
| 803 | tbl = intel_pcms; |
| 804 | tblsize = 2; |
| 805 | break; |
| 806 | } |
| 807 | #endif |
| 808 | device = 0; |
| 809 | for (i = 0; i < tblsize; i++) { |
| 810 | rec = tbl + i; |
| 811 | if (i > 0 && rec->ac97_idx) { |
| 812 | /* activate PCM only when associated AC'97 codec */ |
| 813 | if (! chip->ichd[rec->ac97_idx].ac97) |
| 814 | continue; |
| 815 | } |
| 816 | err = snd_intel8x0_pcm1(chip, device, rec); |
| 817 | if (err < 0) |
| 818 | return err; |
| 819 | device++; |
| 820 | } |
| 821 | |
| 822 | chip->pcm_devs = device; |
| 823 | return 0; |
| 824 | } |
| 825 | |
| 826 | |
| 827 | /* |
| 828 | * Mixer part |
| 829 | */ |
| 830 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 831 | static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 832 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 833 | struct intel8x0m *chip = bus->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | chip->ac97_bus = NULL; |
| 835 | } |
| 836 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 837 | static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 839 | struct intel8x0m *chip = ac97->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | chip->ac97 = NULL; |
| 841 | } |
| 842 | |
| 843 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 844 | static int __devinit snd_intel8x0_mixer(struct intel8x0m *chip, int ac97_clock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 846 | struct snd_ac97_bus *pbus; |
| 847 | struct snd_ac97_template ac97; |
| 848 | struct snd_ac97 *x97; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | int err; |
| 850 | unsigned int glob_sta = 0; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 851 | static struct snd_ac97_bus_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | .write = snd_intel8x0_codec_write, |
| 853 | .read = snd_intel8x0_codec_read, |
| 854 | }; |
| 855 | |
| 856 | chip->in_ac97_init = 1; |
| 857 | |
| 858 | memset(&ac97, 0, sizeof(ac97)); |
| 859 | ac97.private_data = chip; |
| 860 | ac97.private_free = snd_intel8x0_mixer_free_ac97; |
| 861 | ac97.scaps = AC97_SCAP_SKIP_AUDIO; |
| 862 | |
| 863 | glob_sta = igetdword(chip, ICHREG(GLOB_STA)); |
| 864 | |
| 865 | if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) |
| 866 | goto __err; |
| 867 | pbus->private_free = snd_intel8x0_mixer_free_ac97_bus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | if (ac97_clock >= 8000 && ac97_clock <= 48000) |
| 869 | pbus->clock = ac97_clock; |
| 870 | chip->ac97_bus = pbus; |
| 871 | |
| 872 | ac97.pci = chip->pci; |
| 873 | ac97.num = glob_sta & ICH_SCR ? 1 : 0; |
| 874 | if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) { |
| 875 | snd_printk(KERN_ERR "Unable to initialize codec #%d\n", ac97.num); |
| 876 | if (ac97.num == 0) |
| 877 | goto __err; |
| 878 | return err; |
| 879 | } |
| 880 | chip->ac97 = x97; |
| 881 | if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) { |
| 882 | chip->ichd[ICHD_MDMIN].ac97 = x97; |
| 883 | chip->ichd[ICHD_MDMOUT].ac97 = x97; |
| 884 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 885 | |
| 886 | chip->in_ac97_init = 0; |
| 887 | return 0; |
| 888 | |
| 889 | __err: |
| 890 | /* clear the cold-reset bit for the next chance */ |
| 891 | if (chip->device_type != DEVICE_ALI) |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 892 | iputdword(chip, ICHREG(GLOB_CNT), |
| 893 | igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | return err; |
| 895 | } |
| 896 | |
| 897 | |
| 898 | /* |
| 899 | * |
| 900 | */ |
| 901 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 902 | static int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | { |
| 904 | unsigned long end_time; |
| 905 | unsigned int cnt, status, nstatus; |
| 906 | |
| 907 | /* put logic to right state */ |
| 908 | /* first clear status bits */ |
| 909 | status = ICH_RCS | ICH_MIINT | ICH_MOINT; |
| 910 | cnt = igetdword(chip, ICHREG(GLOB_STA)); |
| 911 | iputdword(chip, ICHREG(GLOB_STA), cnt & status); |
| 912 | |
| 913 | /* ACLink on, 2 channels */ |
| 914 | cnt = igetdword(chip, ICHREG(GLOB_CNT)); |
| 915 | cnt &= ~(ICH_ACLINK); |
| 916 | /* finish cold or do warm reset */ |
| 917 | cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; |
| 918 | iputdword(chip, ICHREG(GLOB_CNT), cnt); |
| 919 | end_time = (jiffies + (HZ / 4)) + 1; |
| 920 | do { |
| 921 | if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) |
| 922 | goto __ok; |
Takashi Iwai | 954bea3 | 2005-11-17 10:37:40 +0100 | [diff] [blame] | 923 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | } while (time_after_eq(end_time, jiffies)); |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 925 | snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n", |
| 926 | igetdword(chip, ICHREG(GLOB_CNT))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | return -EIO; |
| 928 | |
| 929 | __ok: |
| 930 | if (probing) { |
| 931 | /* wait for any codec ready status. |
| 932 | * Once it becomes ready it should remain ready |
| 933 | * as long as we do not disable the ac97 link. |
| 934 | */ |
| 935 | end_time = jiffies + HZ; |
| 936 | do { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 937 | status = igetdword(chip, ICHREG(GLOB_STA)) & |
| 938 | (ICH_PCR | ICH_SCR | ICH_TCR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | if (status) |
| 940 | break; |
Takashi Iwai | 954bea3 | 2005-11-17 10:37:40 +0100 | [diff] [blame] | 941 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | } while (time_after_eq(end_time, jiffies)); |
| 943 | if (! status) { |
| 944 | /* no codec is found */ |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 945 | snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", |
| 946 | igetdword(chip, ICHREG(GLOB_STA))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | return -EIO; |
| 948 | } |
| 949 | |
| 950 | /* up to two codecs (modem cannot be tertiary with ICH4) */ |
| 951 | nstatus = ICH_PCR | ICH_SCR; |
| 952 | |
| 953 | /* wait for other codecs ready status. */ |
| 954 | end_time = jiffies + HZ / 4; |
| 955 | while (status != nstatus && time_after_eq(end_time, jiffies)) { |
Takashi Iwai | 954bea3 | 2005-11-17 10:37:40 +0100 | [diff] [blame] | 956 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 957 | status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; |
| 958 | } |
| 959 | |
| 960 | } else { |
| 961 | /* resume phase */ |
| 962 | status = 0; |
| 963 | if (chip->ac97) |
| 964 | status |= get_ich_codec_bit(chip, chip->ac97->num); |
| 965 | /* wait until all the probed codecs are ready */ |
| 966 | end_time = jiffies + HZ; |
| 967 | do { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 968 | nstatus = igetdword(chip, ICHREG(GLOB_STA)) & |
| 969 | (ICH_PCR | ICH_SCR | ICH_TCR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | if (status == nstatus) |
| 971 | break; |
Takashi Iwai | 954bea3 | 2005-11-17 10:37:40 +0100 | [diff] [blame] | 972 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | } while (time_after_eq(end_time, jiffies)); |
| 974 | } |
| 975 | |
| 976 | if (chip->device_type == DEVICE_SIS) { |
| 977 | /* unmute the output on SIS7012 */ |
| 978 | iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); |
| 979 | } |
| 980 | |
| 981 | return 0; |
| 982 | } |
| 983 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 984 | static int snd_intel8x0_chip_init(struct intel8x0m *chip, int probing) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | { |
| 986 | unsigned int i; |
| 987 | int err; |
| 988 | |
| 989 | if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0) |
| 990 | return err; |
| 991 | iagetword(chip, 0); /* clear semaphore flag */ |
| 992 | |
| 993 | /* disable interrupts */ |
| 994 | for (i = 0; i < chip->bdbars_count; i++) |
| 995 | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); |
| 996 | /* reset channels */ |
| 997 | for (i = 0; i < chip->bdbars_count; i++) |
| 998 | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); |
| 999 | /* initialize Buffer Descriptor Lists */ |
| 1000 | for (i = 0; i < chip->bdbars_count; i++) |
| 1001 | iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr); |
| 1002 | return 0; |
| 1003 | } |
| 1004 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1005 | static int snd_intel8x0_free(struct intel8x0m *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | { |
| 1007 | unsigned int i; |
| 1008 | |
| 1009 | if (chip->irq < 0) |
| 1010 | goto __hw_end; |
| 1011 | /* disable interrupts */ |
| 1012 | for (i = 0; i < chip->bdbars_count; i++) |
| 1013 | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); |
| 1014 | /* reset channels */ |
| 1015 | for (i = 0; i < chip->bdbars_count; i++) |
| 1016 | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); |
| 1017 | /* --- */ |
| 1018 | synchronize_irq(chip->irq); |
| 1019 | __hw_end: |
| 1020 | if (chip->bdbars.area) |
| 1021 | snd_dma_free_pages(&chip->bdbars); |
| 1022 | if (chip->remap_addr) |
| 1023 | iounmap(chip->remap_addr); |
| 1024 | if (chip->remap_bmaddr) |
| 1025 | iounmap(chip->remap_bmaddr); |
| 1026 | if (chip->irq >= 0) |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1027 | free_irq(chip->irq, chip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1028 | pci_release_regions(chip->pci); |
| 1029 | pci_disable_device(chip->pci); |
| 1030 | kfree(chip); |
| 1031 | return 0; |
| 1032 | } |
| 1033 | |
| 1034 | #ifdef CONFIG_PM |
| 1035 | /* |
| 1036 | * power management |
| 1037 | */ |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1038 | static int intel8x0m_suspend(struct pci_dev *pci, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | { |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1040 | struct snd_card *card = pci_get_drvdata(pci); |
| 1041 | struct intel8x0m *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1042 | int i; |
| 1043 | |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1044 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1045 | for (i = 0; i < chip->pcm_devs; i++) |
| 1046 | snd_pcm_suspend_all(chip->pcm[i]); |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1047 | snd_ac97_suspend(chip->ac97); |
| 1048 | pci_disable_device(pci); |
| 1049 | pci_save_state(pci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | return 0; |
| 1051 | } |
| 1052 | |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1053 | static int intel8x0m_resume(struct pci_dev *pci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1054 | { |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1055 | struct snd_card *card = pci_get_drvdata(pci); |
| 1056 | struct intel8x0m *chip = card->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1058 | pci_restore_state(pci); |
| 1059 | pci_enable_device(pci); |
| 1060 | pci_set_master(pci); |
| 1061 | snd_intel8x0_chip_init(chip, 0); |
| 1062 | snd_ac97_resume(chip->ac97); |
| 1063 | |
| 1064 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | return 0; |
| 1066 | } |
| 1067 | #endif /* CONFIG_PM */ |
| 1068 | |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1069 | #ifdef CONFIG_PROC_FS |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1070 | static void snd_intel8x0m_proc_read(struct snd_info_entry * entry, |
| 1071 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1072 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1073 | struct intel8x0m *chip = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | unsigned int tmp; |
| 1075 | |
| 1076 | snd_iprintf(buffer, "Intel8x0m\n\n"); |
| 1077 | if (chip->device_type == DEVICE_ALI) |
| 1078 | return; |
| 1079 | tmp = igetdword(chip, ICHREG(GLOB_STA)); |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1080 | snd_iprintf(buffer, "Global control : 0x%08x\n", |
| 1081 | igetdword(chip, ICHREG(GLOB_CNT))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1082 | snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); |
| 1083 | snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n", |
| 1084 | tmp & ICH_PCR ? " primary" : "", |
| 1085 | tmp & ICH_SCR ? " secondary" : "", |
| 1086 | tmp & ICH_TCR ? " tertiary" : "", |
| 1087 | (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); |
| 1088 | } |
| 1089 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1090 | static void __devinit snd_intel8x0m_proc_init(struct intel8x0m * chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1092 | struct snd_info_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | |
| 1094 | if (! snd_card_proc_new(chip->card, "intel8x0m", &entry)) |
| 1095 | snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0m_proc_read); |
| 1096 | } |
Takashi Iwai | adf1b3d | 2005-12-01 10:49:58 +0100 | [diff] [blame] | 1097 | #else /* !CONFIG_PROC_FS */ |
| 1098 | #define snd_intel8x0m_proc_init(chip) |
| 1099 | #endif /* CONFIG_PROC_FS */ |
| 1100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1102 | static int snd_intel8x0_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1104 | struct intel8x0m *chip = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | return snd_intel8x0_free(chip); |
| 1106 | } |
| 1107 | |
| 1108 | struct ich_reg_info { |
| 1109 | unsigned int int_sta_mask; |
| 1110 | unsigned int offset; |
| 1111 | }; |
| 1112 | |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1113 | static int __devinit snd_intel8x0m_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1114 | struct pci_dev *pci, |
| 1115 | unsigned long device_type, |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1116 | struct intel8x0m ** r_intel8x0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1118 | struct intel8x0m *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | int err; |
| 1120 | unsigned int i; |
| 1121 | unsigned int int_sta_masks; |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1122 | struct ichdev *ichdev; |
| 1123 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | .dev_free = snd_intel8x0_dev_free, |
| 1125 | }; |
| 1126 | static struct ich_reg_info intel_regs[2] = { |
| 1127 | { ICH_MIINT, 0 }, |
| 1128 | { ICH_MOINT, 0x10 }, |
| 1129 | }; |
| 1130 | struct ich_reg_info *tbl; |
| 1131 | |
| 1132 | *r_intel8x0 = NULL; |
| 1133 | |
| 1134 | if ((err = pci_enable_device(pci)) < 0) |
| 1135 | return err; |
| 1136 | |
Takashi Iwai | e560d8d | 2005-09-09 14:21:46 +0200 | [diff] [blame] | 1137 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | if (chip == NULL) { |
| 1139 | pci_disable_device(pci); |
| 1140 | return -ENOMEM; |
| 1141 | } |
| 1142 | spin_lock_init(&chip->reg_lock); |
| 1143 | chip->device_type = device_type; |
| 1144 | chip->card = card; |
| 1145 | chip->pci = pci; |
| 1146 | chip->irq = -1; |
| 1147 | |
| 1148 | if ((err = pci_request_regions(pci, card->shortname)) < 0) { |
| 1149 | kfree(chip); |
| 1150 | pci_disable_device(pci); |
| 1151 | return err; |
| 1152 | } |
| 1153 | |
| 1154 | if (device_type == DEVICE_ALI) { |
| 1155 | /* ALI5455 has no ac97 region */ |
| 1156 | chip->bmaddr = pci_resource_start(pci, 0); |
| 1157 | goto port_inited; |
| 1158 | } |
| 1159 | |
| 1160 | if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */ |
| 1161 | chip->mmio = 1; |
| 1162 | chip->addr = pci_resource_start(pci, 2); |
| 1163 | chip->remap_addr = ioremap_nocache(chip->addr, |
| 1164 | pci_resource_len(pci, 2)); |
| 1165 | if (chip->remap_addr == NULL) { |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 1166 | snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1167 | snd_intel8x0_free(chip); |
| 1168 | return -EIO; |
| 1169 | } |
| 1170 | } else { |
| 1171 | chip->addr = pci_resource_start(pci, 0); |
| 1172 | } |
| 1173 | if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */ |
| 1174 | chip->bm_mmio = 1; |
| 1175 | chip->bmaddr = pci_resource_start(pci, 3); |
| 1176 | chip->remap_bmaddr = ioremap_nocache(chip->bmaddr, |
| 1177 | pci_resource_len(pci, 3)); |
| 1178 | if (chip->remap_bmaddr == NULL) { |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 1179 | snd_printk(KERN_ERR "Controller space ioremap problem\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1180 | snd_intel8x0_free(chip); |
| 1181 | return -EIO; |
| 1182 | } |
| 1183 | } else { |
| 1184 | chip->bmaddr = pci_resource_start(pci, 1); |
| 1185 | } |
| 1186 | |
| 1187 | port_inited: |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1188 | if (request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ, |
| 1189 | card->shortname, chip)) { |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 1190 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1191 | snd_intel8x0_free(chip); |
| 1192 | return -EBUSY; |
| 1193 | } |
| 1194 | chip->irq = pci->irq; |
| 1195 | pci_set_master(pci); |
| 1196 | synchronize_irq(chip->irq); |
| 1197 | |
| 1198 | /* initialize offsets */ |
| 1199 | chip->bdbars_count = 2; |
| 1200 | tbl = intel_regs; |
| 1201 | |
| 1202 | for (i = 0; i < chip->bdbars_count; i++) { |
| 1203 | ichdev = &chip->ichd[i]; |
| 1204 | ichdev->ichd = i; |
| 1205 | ichdev->reg_offset = tbl[i].offset; |
| 1206 | ichdev->int_sta_mask = tbl[i].int_sta_mask; |
| 1207 | if (device_type == DEVICE_SIS) { |
| 1208 | /* SiS 7013 swaps the registers */ |
| 1209 | ichdev->roff_sr = ICH_REG_OFF_PICB; |
| 1210 | ichdev->roff_picb = ICH_REG_OFF_SR; |
| 1211 | } else { |
| 1212 | ichdev->roff_sr = ICH_REG_OFF_SR; |
| 1213 | ichdev->roff_picb = ICH_REG_OFF_PICB; |
| 1214 | } |
| 1215 | if (device_type == DEVICE_ALI) |
| 1216 | ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; |
| 1217 | } |
| 1218 | /* SIS7013 handles the pcm data in bytes, others are in words */ |
| 1219 | chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; |
| 1220 | |
| 1221 | /* allocate buffer descriptor lists */ |
| 1222 | /* the start of each lists must be aligned to 8 bytes */ |
| 1223 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), |
| 1224 | chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, |
| 1225 | &chip->bdbars) < 0) { |
| 1226 | snd_intel8x0_free(chip); |
| 1227 | return -ENOMEM; |
| 1228 | } |
| 1229 | /* tables must be aligned to 8 bytes here, but the kernel pages |
| 1230 | are much bigger, so we don't care (on i386) */ |
| 1231 | int_sta_masks = 0; |
| 1232 | for (i = 0; i < chip->bdbars_count; i++) { |
| 1233 | ichdev = &chip->ichd[i]; |
| 1234 | ichdev->bdbar = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2); |
| 1235 | ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2); |
| 1236 | int_sta_masks |= ichdev->int_sta_mask; |
| 1237 | } |
| 1238 | chip->int_sta_reg = ICH_REG_GLOB_STA; |
| 1239 | chip->int_sta_mask = int_sta_masks; |
| 1240 | |
| 1241 | if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { |
| 1242 | snd_intel8x0_free(chip); |
| 1243 | return err; |
| 1244 | } |
| 1245 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1246 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 1247 | snd_intel8x0_free(chip); |
| 1248 | return err; |
| 1249 | } |
| 1250 | |
| 1251 | snd_card_set_dev(card, &pci->dev); |
| 1252 | |
| 1253 | *r_intel8x0 = chip; |
| 1254 | return 0; |
| 1255 | } |
| 1256 | |
| 1257 | static struct shortname_table { |
| 1258 | unsigned int id; |
| 1259 | const char *s; |
| 1260 | } shortnames[] __devinitdata = { |
Takashi Iwai | 8cdfd25 | 2005-09-07 14:08:11 +0200 | [diff] [blame] | 1261 | { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" }, |
| 1262 | { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1263 | { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" }, |
| 1264 | { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" }, |
Takashi Iwai | 8cdfd25 | 2005-09-07 14:08:11 +0200 | [diff] [blame] | 1265 | { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" }, |
| 1266 | { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" }, |
| 1267 | { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" }, |
| 1268 | { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" }, |
| 1269 | { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | { 0x7446, "AMD AMD768" }, |
| 1271 | { PCI_DEVICE_ID_SI_7013, "SiS SI7013" }, |
Takashi Iwai | 8cdfd25 | 2005-09-07 14:08:11 +0200 | [diff] [blame] | 1272 | { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1273 | { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" }, |
| 1274 | { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" }, |
| 1275 | { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" }, |
| 1276 | #if 0 |
| 1277 | { 0x5455, "ALi M5455" }, |
| 1278 | { 0x746d, "AMD AMD8111" }, |
| 1279 | #endif |
| 1280 | { 0 }, |
| 1281 | }; |
| 1282 | |
| 1283 | static int __devinit snd_intel8x0m_probe(struct pci_dev *pci, |
| 1284 | const struct pci_device_id *pci_id) |
| 1285 | { |
Takashi Iwai | 6b75a9d | 2005-11-17 15:04:53 +0100 | [diff] [blame] | 1286 | struct snd_card *card; |
| 1287 | struct intel8x0m *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | int err; |
| 1289 | struct shortname_table *name; |
| 1290 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1291 | card = snd_card_new(index, id, THIS_MODULE, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | if (card == NULL) |
| 1293 | return -ENOMEM; |
| 1294 | |
| 1295 | strcpy(card->driver, "ICH-MODEM"); |
| 1296 | strcpy(card->shortname, "Intel ICH"); |
| 1297 | for (name = shortnames; name->id; name++) { |
| 1298 | if (pci->device == name->id) { |
| 1299 | strcpy(card->shortname, name->s); |
| 1300 | break; |
| 1301 | } |
| 1302 | } |
| 1303 | strcat(card->shortname," Modem"); |
| 1304 | |
| 1305 | if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) { |
| 1306 | snd_card_free(card); |
| 1307 | return err; |
| 1308 | } |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1309 | card->private_data = chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1310 | |
Clemens Ladisch | b7fe462 | 2005-10-04 08:46:51 +0200 | [diff] [blame] | 1311 | if ((err = snd_intel8x0_mixer(chip, ac97_clock)) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1312 | snd_card_free(card); |
| 1313 | return err; |
| 1314 | } |
| 1315 | if ((err = snd_intel8x0_pcm(chip)) < 0) { |
| 1316 | snd_card_free(card); |
| 1317 | return err; |
| 1318 | } |
| 1319 | |
| 1320 | snd_intel8x0m_proc_init(chip); |
| 1321 | |
| 1322 | sprintf(card->longname, "%s at 0x%lx, irq %i", |
| 1323 | card->shortname, chip->addr, chip->irq); |
| 1324 | |
| 1325 | if ((err = snd_card_register(card)) < 0) { |
| 1326 | snd_card_free(card); |
| 1327 | return err; |
| 1328 | } |
| 1329 | pci_set_drvdata(pci, card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1330 | return 0; |
| 1331 | } |
| 1332 | |
| 1333 | static void __devexit snd_intel8x0m_remove(struct pci_dev *pci) |
| 1334 | { |
| 1335 | snd_card_free(pci_get_drvdata(pci)); |
| 1336 | pci_set_drvdata(pci, NULL); |
| 1337 | } |
| 1338 | |
| 1339 | static struct pci_driver driver = { |
| 1340 | .name = "Intel ICH Modem", |
| 1341 | .id_table = snd_intel8x0m_ids, |
| 1342 | .probe = snd_intel8x0m_probe, |
| 1343 | .remove = __devexit_p(snd_intel8x0m_remove), |
Takashi Iwai | 5809c6c | 2005-11-17 16:10:01 +0100 | [diff] [blame] | 1344 | #ifdef CONFIG_PM |
| 1345 | .suspend = intel8x0m_suspend, |
| 1346 | .resume = intel8x0m_resume, |
| 1347 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1348 | }; |
| 1349 | |
| 1350 | |
| 1351 | static int __init alsa_card_intel8x0m_init(void) |
| 1352 | { |
Takashi Iwai | 01d25d4 | 2005-04-11 16:58:24 +0200 | [diff] [blame] | 1353 | return pci_register_driver(&driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1354 | } |
| 1355 | |
| 1356 | static void __exit alsa_card_intel8x0m_exit(void) |
| 1357 | { |
| 1358 | pci_unregister_driver(&driver); |
| 1359 | } |
| 1360 | |
| 1361 | module_init(alsa_card_intel8x0m_init) |
| 1362 | module_exit(alsa_card_intel8x0m_exit) |