diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/fm801.c | 245 |
1 files changed, 158 insertions, 87 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index a57aca72e91a..6ab4aefbccf8 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -103,7 +103,11 @@ MODULE_PARM_DESC(tea575x_tuner, "Enable TEA575x tuner."); #define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */ #define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */ -#define FM801_AC97_ADDR_SHIFT 10 +/* codec access */ +#define FM801_AC97_READ (1<<7) /* read=1, write=0 */ +#define FM801_AC97_VALID (1<<8) /* port valid=1 */ +#define FM801_AC97_BUSY (1<<9) /* busy=1 */ +#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */ /* playback and record control register bits */ #define FM801_BUF1_LAST (1<<1) @@ -189,6 +193,10 @@ struct fm801 { #ifdef TEA575X_RADIO struct snd_tea575x tea; #endif + +#ifdef CONFIG_PM + u16 saved_regs[0x20]; +#endif }; static struct pci_device_id snd_fm801_ids[] = { @@ -231,7 +239,7 @@ static void snd_fm801_codec_write(struct snd_ac97 *ac97, * Wait until the codec interface is not ready.. */ for (idx = 0; idx < 100; idx++) { - if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9))) + if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) goto ok1; udelay(10); } @@ -246,7 +254,7 @@ static void snd_fm801_codec_write(struct snd_ac97 *ac97, * Wait until the write command is not completed.. */ for (idx = 0; idx < 1000; idx++) { - if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9))) + if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) return; udelay(10); } @@ -262,7 +270,7 @@ static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short * Wait until the codec interface is not ready.. */ for (idx = 0; idx < 100; idx++) { - if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9))) + if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) goto ok1; udelay(10); } @@ -271,9 +279,10 @@ static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short ok1: /* read command */ - outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | (1<<7), FM801_REG(chip, AC97_CMD)); + outw(reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ, + FM801_REG(chip, AC97_CMD)); for (idx = 0; idx < 100; idx++) { - if (!(inw(FM801_REG(chip, AC97_CMD)) & (1<<9))) + if (!(inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_BUSY)) goto ok2; udelay(10); } @@ -282,7 +291,7 @@ static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short ok2: for (idx = 0; idx < 1000; idx++) { - if (inw(FM801_REG(chip, AC97_CMD)) & (1<<8)) + if (inw(FM801_REG(chip, AC97_CMD)) & FM801_AC97_VALID) goto ok3; udelay(10); } @@ -354,9 +363,11 @@ static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream, chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE); break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: chip->ply_ctrl |= FM801_PAUSE; break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: chip->ply_ctrl &= ~FM801_PAUSE; break; default: @@ -387,9 +398,11 @@ static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream, chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE); break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: chip->cap_ctrl |= FM801_PAUSE; break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: chip->cap_ctrl &= ~FM801_PAUSE; break; default: @@ -557,7 +570,7 @@ static struct snd_pcm_hardware snd_fm801_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, @@ -577,7 +590,7 @@ static struct snd_pcm_hardware snd_fm801_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, @@ -1218,6 +1231,85 @@ static int __devinit snd_fm801_mixer(struct fm801 *chip) * initialization routines */ +static int wait_for_codec(struct fm801 *chip, unsigned int codec_id, + unsigned short reg, unsigned long waits) +{ + unsigned long timeout = jiffies + waits; + + outw(FM801_AC97_READ | (codec_id << FM801_AC97_ADDR_SHIFT) | reg, + FM801_REG(chip, AC97_CMD)); + udelay(5); + do { + if ((inw(FM801_REG(chip, AC97_CMD)) & (FM801_AC97_VALID|FM801_AC97_BUSY)) + == FM801_AC97_VALID) + return 0; + schedule_timeout_uninterruptible(1); + } while (time_after(timeout, jiffies)); + return -EIO; +} + +static int snd_fm801_chip_init(struct fm801 *chip, int resume) +{ + int id; + unsigned short cmdw; + + /* codec cold reset + AC'97 warm reset */ + outw((1<<5) | (1<<6), FM801_REG(chip, CODEC_CTRL)); + inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */ + udelay(100); + outw(0, FM801_REG(chip, CODEC_CTRL)); + + if (wait_for_codec(chip, 0, AC97_RESET, msecs_to_jiffies(750)) < 0) { + snd_printk(KERN_ERR "Primary AC'97 codec not found\n"); + if (! resume) + return -EIO; + } + + if (chip->multichannel) { + if (chip->secondary_addr) { + wait_for_codec(chip, chip->secondary_addr, + AC97_VENDOR_ID1, msecs_to_jiffies(50)); + } else { + /* my card has the secondary codec */ + /* at address #3, so the loop is inverted */ + for (id = 3; id > 0; id--) { + if (! wait_for_codec(chip, id, AC97_VENDOR_ID1, + msecs_to_jiffies(50))) { + cmdw = inw(FM801_REG(chip, AC97_DATA)); + if (cmdw != 0xffff && cmdw != 0) { + chip->secondary = 1; + chip->secondary_addr = id; + break; + } + } + } + } + + /* the recovery phase, it seems that probing for non-existing codec might */ + /* cause timeout problems */ + wait_for_codec(chip, 0, AC97_VENDOR_ID1, msecs_to_jiffies(750)); + } + + /* init volume */ + outw(0x0808, FM801_REG(chip, PCM_VOL)); + outw(0x9f1f, FM801_REG(chip, FM_VOL)); + outw(0x8808, FM801_REG(chip, I2S_VOL)); + + /* I2S control - I2S mode */ + outw(0x0003, FM801_REG(chip, I2S_MODE)); + + /* interrupt setup - unmask MPU, PLAYBACK & CAPTURE */ + cmdw = inw(FM801_REG(chip, IRQ_MASK)); + cmdw &= ~0x0083; + outw(cmdw, FM801_REG(chip, IRQ_MASK)); + + /* interrupt clear */ + outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS)); + + return 0; +} + + static int snd_fm801_free(struct fm801 *chip) { unsigned short cmdw; @@ -1255,9 +1347,7 @@ static int __devinit snd_fm801_create(struct snd_card *card, struct fm801 ** rchip) { struct fm801 *chip; - unsigned char rev, id; - unsigned short cmdw; - unsigned long timeout; + unsigned char rev; int err; static struct snd_device_ops ops = { .dev_free = snd_fm801_dev_free, @@ -1294,81 +1384,7 @@ static int __devinit snd_fm801_create(struct snd_card *card, if (rev >= 0xb1) /* FM801-AU */ chip->multichannel = 1; - /* codec cold reset + AC'97 warm reset */ - outw((1<<5)|(1<<6), FM801_REG(chip, CODEC_CTRL)); - inw(FM801_REG(chip, CODEC_CTRL)); /* flush posting data */ - udelay(100); - outw(0, FM801_REG(chip, CODEC_CTRL)); - - timeout = (jiffies + (3 * HZ) / 4) + 1; /* min 750ms */ - - outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD)); - udelay(5); - do { - if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8)) - goto __ac97_secondary; - schedule_timeout_uninterruptible(1); - } while (time_after(timeout, jiffies)); - snd_printk(KERN_ERR "Primary AC'97 codec not found\n"); - snd_fm801_free(chip); - return -EIO; - - __ac97_secondary: - if (!chip->multichannel) /* lookup is not required */ - goto __ac97_ok; - for (id = 3; id > 0; id--) { /* my card has the secondary codec */ - /* at address #3, so the loop is inverted */ - - timeout = jiffies + HZ / 20; - - outw((1<<7) | (id << FM801_AC97_ADDR_SHIFT) | AC97_VENDOR_ID1, - FM801_REG(chip, AC97_CMD)); - udelay(5); - do { - if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8)) { - cmdw = inw(FM801_REG(chip, AC97_DATA)); - if (cmdw != 0xffff && cmdw != 0) { - chip->secondary = 1; - chip->secondary_addr = id; - goto __ac97_ok; - } - } - schedule_timeout_uninterruptible(1); - } while (time_after(timeout, jiffies)); - } - - /* the recovery phase, it seems that probing for non-existing codec might */ - /* cause timeout problems */ - timeout = (jiffies + (3 * HZ) / 4) + 1; /* min 750ms */ - - outw((1<<7) | (0 << FM801_AC97_ADDR_SHIFT), FM801_REG(chip, AC97_CMD)); - udelay(5); - do { - if ((inw(FM801_REG(chip, AC97_CMD)) & (3<<8)) == (1<<8)) - goto __ac97_ok; - schedule_timeout_uninterruptible(1); - } while (time_after(timeout, jiffies)); - snd_printk(KERN_ERR "Primary AC'97 codec not responding\n"); - snd_fm801_free(chip); - return -EIO; - - __ac97_ok: - - /* init volume */ - outw(0x0808, FM801_REG(chip, PCM_VOL)); - outw(0x9f1f, FM801_REG(chip, FM_VOL)); - outw(0x8808, FM801_REG(chip, I2S_VOL)); - - /* I2S control - I2S mode */ - outw(0x0003, FM801_REG(chip, I2S_MODE)); - - /* interrupt setup - unmask MPU, PLAYBACK & CAPTURE */ - cmdw = inw(FM801_REG(chip, IRQ_MASK)); - cmdw &= ~0x0083; - outw(cmdw, FM801_REG(chip, IRQ_MASK)); - - /* interrupt clear */ - outw(FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU, FM801_REG(chip, IRQ_STATUS)); + snd_fm801_chip_init(chip, 0); if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_fm801_free(chip); @@ -1415,6 +1431,7 @@ static int __devinit snd_card_fm801_probe(struct pci_dev *pci, snd_card_free(card); return err; } + card->private_data = chip; strcpy(card->driver, "FM801"); strcpy(card->shortname, "ForteMedia FM801-"); @@ -1462,11 +1479,65 @@ static void __devexit snd_card_fm801_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } +#ifdef CONFIG_PM +static unsigned char saved_regs[] = { + FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC, + FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2, + FM801_CAP_CTRL, FM801_CAP_COUNT, FM801_CAP_BUF1, FM801_CAP_BUF2, + FM801_CODEC_CTRL, FM801_I2S_MODE, FM801_VOLUME, FM801_GEN_CTRL, +}; + +static int snd_fm801_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct fm801 *chip = card->private_data; + int i; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend_all(chip->pcm); + snd_ac97_suspend(chip->ac97); + snd_ac97_suspend(chip->ac97_sec); + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + chip->saved_regs[i] = inw(chip->port + saved_regs[i]); + /* FIXME: tea575x suspend */ + + pci_set_power_state(pci, PCI_D3hot); + pci_disable_device(pci); + pci_save_state(pci); + return 0; +} + +static int snd_fm801_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct fm801 *chip = card->private_data; + int i; + + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_power_state(pci, PCI_D0); + pci_set_master(pci); + + snd_fm801_chip_init(chip, 1); + snd_ac97_resume(chip->ac97); + snd_ac97_resume(chip->ac97_sec); + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + outw(chip->saved_regs[i], chip->port + saved_regs[i]); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + static struct pci_driver driver = { .name = "FM801", .id_table = snd_fm801_ids, .probe = snd_card_fm801_probe, .remove = __devexit_p(snd_card_fm801_remove), +#ifdef CONFIG_PM + .suspend = snd_fm801_suspend, + .resume = snd_fm801_resume, +#endif }; static int __init alsa_card_fm801_init(void) |