diff options
| -rw-r--r-- | sound/pci/cmipci.c | 104 |
1 files changed, 98 insertions, 6 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index ce156ca5bc6f..c03b0a0a3b27 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -269,6 +269,7 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address."); #define CM_MICGAINZ 0x01 /* mic boost */ #define CM_MICGAINZ_SHIFT 0 +#define CM_REG_MIXER3 0x24 #define CM_REG_AUX_VOL 0x26 #define CM_VAUXL_MASK 0xf0 #define CM_VAUXR_MASK 0x0f @@ -324,6 +325,7 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address."); #define CM_REG_CH0_FRAME2 0x84 #define CM_REG_CH1_FRAME1 0x88 /* 0-15: count of samples at bus master; buffer size */ #define CM_REG_CH1_FRAME2 0x8C /* 16-31: count of samples at codec; fragment size */ +#define CM_REG_EXT_MISC 0x90 #define CM_REG_MISC_CTRL_8768 0x92 /* reg. name the same as 0x18 */ #define CM_CHB3D8C 0x20 /* 7.1 channels support */ #define CM_SPD32FMT 0x10 /* SPDIF/IN 32k */ @@ -453,6 +455,11 @@ struct cmipci { #endif spinlock_t reg_lock; + +#ifdef CONFIG_PM + unsigned int saved_regs[0x20]; + unsigned char saved_mixers[0x20]; +#endif }; @@ -849,10 +856,12 @@ static int snd_cmipci_pcm_trigger(struct cmipci *cm, struct cmipci_pcm *rec, snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset); break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: cm->ctrl |= pause; snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: cm->ctrl &= ~pause; snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl); break; @@ -1325,7 +1334,7 @@ static struct snd_pcm_hardware snd_cmipci_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, .rate_min = 5512, @@ -1345,7 +1354,7 @@ static struct snd_pcm_hardware snd_cmipci_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, .rate_min = 5512, @@ -1365,7 +1374,7 @@ static struct snd_pcm_hardware snd_cmipci_playback2 = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000, .rate_min = 5512, @@ -1385,7 +1394,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_spdif = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, .rate_min = 44100, @@ -1405,7 +1414,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, .rate_min = 44100, @@ -1425,7 +1434,7 @@ static struct snd_pcm_hardware snd_cmipci_capture_spdif = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, .rate_min = 44100, @@ -3038,6 +3047,7 @@ static int __devinit snd_cmipci_probe(struct pci_dev *pci, snd_card_free(card); return err; } + card->private_data = cm; sprintf(card->shortname, "C-Media PCI %s", card->driver); sprintf(card->longname, "%s (model %d) at 0x%lx, irq %i", @@ -3065,11 +3075,93 @@ static void __devexit snd_cmipci_remove(struct pci_dev *pci) } +#ifdef CONFIG_PM +/* + * power management + */ +static unsigned char saved_regs[] = { + CM_REG_FUNCTRL1, CM_REG_CHFORMAT, CM_REG_LEGACY_CTRL, CM_REG_MISC_CTRL, + CM_REG_MIXER0, CM_REG_MIXER1, CM_REG_MIXER2, CM_REG_MIXER3, CM_REG_PLL, + CM_REG_CH0_FRAME1, CM_REG_CH0_FRAME2, + CM_REG_CH1_FRAME1, CM_REG_CH1_FRAME2, CM_REG_EXT_MISC, + CM_REG_INT_STATUS, CM_REG_INT_HLDCLR, CM_REG_FUNCTRL0, +}; + +static unsigned char saved_mixers[] = { + SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1, + SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1, + SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1, + SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1, + SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1, + SB_DSP4_MIC_DEV, SB_DSP4_SPEAKER_DEV, + CM_REG_EXTENT_IND, SB_DSP4_OUTPUT_SW, + SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, +}; + +static int snd_cmipci_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct cmipci *cm = card->private_data; + int i; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(cm->pcm); + snd_pcm_suspend_all(cm->pcm2); + snd_pcm_suspend_all(cm->pcm_spdif); + + /* save registers */ + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + cm->saved_regs[i] = snd_cmipci_read(cm, saved_regs[i]); + for (i = 0; i < ARRAY_SIZE(saved_mixers); i++) + cm->saved_mixers[i] = snd_cmipci_mixer_read(cm, saved_mixers[i]); + + /* disable ints */ + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); + + pci_set_power_state(pci, PCI_D3hot); + pci_disable_device(pci); + pci_save_state(pci); + return 0; +} + +static int snd_cmipci_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct cmipci *cm = card->private_data; + int i; + + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_power_state(pci, PCI_D0); + pci_set_master(pci); + + /* reset / initialize to a sane state */ + snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0); + snd_cmipci_ch_reset(cm, CM_CH_PLAY); + snd_cmipci_ch_reset(cm, CM_CH_CAPT); + snd_cmipci_mixer_write(cm, 0, 0); + + /* restore registers */ + for (i = 0; i < ARRAY_SIZE(saved_regs); i++) + snd_cmipci_write(cm, saved_regs[i], cm->saved_regs[i]); + for (i = 0; i < ARRAY_SIZE(saved_mixers); i++) + snd_cmipci_mixer_write(cm, saved_mixers[i], cm->saved_mixers[i]); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif /* CONFIG_PM */ + static struct pci_driver driver = { .name = "C-Media PCI", .id_table = snd_cmipci_ids, .probe = snd_cmipci_probe, .remove = __devexit_p(snd_cmipci_remove), +#ifdef CONFIG_PM + .suspend = snd_cmipci_suspend, + .resume = snd_cmipci_resume, +#endif }; static int __init alsa_card_cmipci_init(void) |