diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/azt3328.c | 119 | ||||
| -rw-r--r-- | sound/pci/azt3328.h | 20 |
2 files changed, 133 insertions, 6 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index 52a364524262..f197fbac10ab 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -90,9 +90,11 @@ * * TODO * - test MPU401 MIDI playback etc. - * - power management. See e.g. intel8x0 or cs4281. - * This would be nice since the chip runs a bit hot, and it's *required* - * anyway for proper ACPI power management. + * - add some power micro-management (disable various units of the card + * as long as they're unused). However this requires I/O ports which I + * haven't figured out yet and which thus might not even exist... + * The standard suspend/resume functionality could probably make use of + * some improvement, too... * - figure out what all unknown port bits are responsible for */ @@ -214,6 +216,16 @@ struct snd_azf3328 { struct pci_dev *pci; int irq; + +#ifdef CONFIG_PM + /* register value containers for power management + * Note: not always full I/O range preserved (just like Win driver!) */ + u16 saved_regs_codec [AZF_IO_SIZE_CODEC_PM / 2]; + u16 saved_regs_io2 [AZF_IO_SIZE_IO2_PM / 2]; + u16 saved_regs_mpu [AZF_IO_SIZE_MPU_PM / 2]; + u16 saved_regs_synth[AZF_IO_SIZE_SYNTH_PM / 2]; + u16 saved_regs_mixer[AZF_IO_SIZE_MIXER_PM / 2]; +#endif }; static const struct pci_device_id snd_azf3328_ids[] __devinitdata = { @@ -961,6 +973,13 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd) chip->is_playing = 1; snd_azf3328_dbgplay("STARTED PLAYBACK\n"); break; + case SNDRV_PCM_TRIGGER_RESUME: + snd_azf3328_dbgplay("RESUME PLAYBACK\n"); + /* resume playback if we were active */ + if (chip->is_playing) + snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, + snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS) | DMA_RESUME); + break; case SNDRV_PCM_TRIGGER_STOP: snd_azf3328_dbgplay("STOP PLAYBACK\n"); @@ -988,6 +1007,12 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd) chip->is_playing = 0; snd_azf3328_dbgplay("STOPPED PLAYBACK\n"); break; + case SNDRV_PCM_TRIGGER_SUSPEND: + snd_azf3328_dbgplay("SUSPEND PLAYBACK\n"); + /* make sure playback is stopped */ + snd_azf3328_codec_outw(chip, IDX_IO_PLAY_FLAGS, + snd_azf3328_codec_inw(chip, IDX_IO_PLAY_FLAGS) & ~DMA_RESUME); + break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n"); break; @@ -995,6 +1020,7 @@ snd_azf3328_playback_trigger(struct snd_pcm_substream *substream, int cmd) snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); break; default: + printk(KERN_ERR "FIXME: unknown trigger mode!\n"); return -EINVAL; } @@ -1068,6 +1094,13 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd) chip->is_recording = 1; snd_azf3328_dbgplay("STARTED CAPTURE\n"); break; + case SNDRV_PCM_TRIGGER_RESUME: + snd_azf3328_dbgplay("RESUME CAPTURE\n"); + /* resume recording if we were active */ + if (chip->is_recording) + snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, + snd_azf3328_codec_inw(chip, IDX_IO_REC_FLAGS) | DMA_RESUME); + break; case SNDRV_PCM_TRIGGER_STOP: snd_azf3328_dbgplay("STOP CAPTURE\n"); @@ -1088,6 +1121,12 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd) chip->is_recording = 0; snd_azf3328_dbgplay("STOPPED CAPTURE\n"); break; + case SNDRV_PCM_TRIGGER_SUSPEND: + snd_azf3328_dbgplay("SUSPEND CAPTURE\n"); + /* make sure recording is stopped */ + snd_azf3328_codec_outw(chip, IDX_IO_REC_FLAGS, + snd_azf3328_codec_inw(chip, IDX_IO_REC_FLAGS) & ~DMA_RESUME); + break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n"); break; @@ -1095,6 +1134,7 @@ snd_azf3328_capture_trigger(struct snd_pcm_substream *substream, int cmd) snd_printk(KERN_ERR "FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); break; default: + printk(KERN_ERR "FIXME: unknown trigger mode!\n"); return -EINVAL; } @@ -1766,6 +1806,8 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) goto out_err; } + card->private_data = chip; + if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_MPU401, chip->mpu_port, 1, pci->irq, 0, &chip->rmidi)) < 0) { @@ -1791,6 +1833,8 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) } } + opl3->private_data = chip; + sprintf(card->longname, "%s at 0x%lx, irq %i", card->shortname, chip->codec_port, chip->irq); @@ -1834,11 +1878,80 @@ snd_azf3328_remove(struct pci_dev *pci) snd_azf3328_dbgcallleave(); } +#ifdef CONFIG_PM +static int +snd_azf3328_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_azf3328 *chip = card->private_data; + int reg; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(chip->pcm); + + for (reg = 0; reg < AZF_IO_SIZE_MIXER_PM / 2; reg++) + chip->saved_regs_mixer[reg] = inw(chip->mixer_port + reg * 2); + + /* make sure to disable master volume etc. to prevent looping sound */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_PLAY_MASTER, 1); + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); + + for (reg = 0; reg < AZF_IO_SIZE_CODEC_PM / 2; reg++) + chip->saved_regs_codec[reg] = inw(chip->codec_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_IO2_PM / 2; reg++) + chip->saved_regs_io2[reg] = inw(chip->io2_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_MPU_PM / 2; reg++) + chip->saved_regs_mpu[reg] = inw(chip->mpu_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_SYNTH_PM / 2; reg++) + chip->saved_regs_synth[reg] = inw(chip->synth_port + reg * 2); + + pci_set_power_state(pci, PCI_D3hot); + pci_disable_device(pci); + pci_save_state(pci); + return 0; +} + +static int +snd_azf3328_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_azf3328 *chip = card->private_data; + int reg; + + pci_restore_state(pci); + pci_enable_device(pci); + pci_set_power_state(pci, PCI_D0); + pci_set_master(pci); + + for (reg = 0; reg < AZF_IO_SIZE_IO2_PM / 2; reg++) + outw(chip->saved_regs_io2[reg], chip->io2_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_MPU_PM / 2; reg++) + outw(chip->saved_regs_mpu[reg], chip->mpu_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_SYNTH_PM / 2; reg++) + outw(chip->saved_regs_synth[reg], chip->synth_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_MIXER_PM / 2; reg++) + outw(chip->saved_regs_mixer[reg], chip->mixer_port + reg * 2); + for (reg = 0; reg < AZF_IO_SIZE_CODEC_PM / 2; reg++) + outw(chip->saved_regs_codec[reg], chip->codec_port + reg * 2); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + + + + static struct pci_driver driver = { .name = "AZF3328", .id_table = snd_azf3328_ids, .probe = snd_azf3328_probe, .remove = __devexit_p(snd_azf3328_remove), +#ifdef CONFIG_PM + .suspend = snd_azf3328_suspend, + .resume = snd_azf3328_resume, +#endif }; static int __init diff --git a/sound/pci/azt3328.h b/sound/pci/azt3328.h index f489bdaf6d40..560a4653c0b2 100644 --- a/sound/pci/azt3328.h +++ b/sound/pci/azt3328.h @@ -5,6 +5,9 @@ /*** main I/O area port indices ***/ /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */ +#define AZF_IO_SIZE_CODEC 0x80 +#define AZF_IO_SIZE_CODEC_PM 0x70 + /* the driver initialisation suggests a layout of 4 main areas: * from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe MPU401??). * And another area from 0x60 to 0x6f (DirectX timer, IRQ management, @@ -107,7 +110,8 @@ #define IRQ_UNKNOWN2 0x0080 /* probably unused */ #define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */ #define IDX_IO_SOME_VALUE 0x68 /* this is set to e.g. 0x3ff or 0x300, and writable; maybe some buffer limit, but I couldn't find out more, PU:0x00ff */ -#define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated; actually inhibits PCM playback!!! maybe power management?? */ +#define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated (FIXME: correct??); actually inhibits PCM playback!!! maybe power management?? */ + #define IO_6A_PAUSE_PLAYBACK 0x0200 /* bit 9; sure, this pauses playback, but what the heck is this really about?? */ #define IDX_IO_6CH 0x6C #define IDX_IO_6EH 0x6E /* writing 0xffff returns 0x83fe */ /* further I/O indices not saved/restored, so probably not used */ @@ -115,15 +119,25 @@ /*** I/O 2 area port indices ***/ /* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */ +#define AZF_IO_SIZE_IO2 0x08 +#define AZF_IO_SIZE_IO2_PM 0x06 + #define IDX_IO2_LEGACY_ADDR 0x04 #define LEGACY_SOMETHING 0x01 /* OPL3?? */ #define LEGACY_JOY 0x08 +#define AZF_IO_SIZE_MPU 0x04 +#define AZF_IO_SIZE_MPU_PM 0x04 + +#define AZF_IO_SIZE_SYNTH 0x08 +#define AZF_IO_SIZE_SYNTH_PM 0x06 /*** mixer I/O area port indices ***/ /* (only 0x22 of 0x40 bytes saved/restored by Windows driver) - * generally spoken: AC97 register index = AZF3328 mixer reg index + 2 - * (in other words: AZF3328 NOT fully AC97 compliant) */ + * UNFORTUNATELY azf3328 is NOT truly AC97 compliant: see main file intro */ +#define AZF_IO_SIZE_MIXER 0x40 +#define AZF_IO_SIZE_MIXER_PM 0x22 + #define MIXER_VOLUME_RIGHT_MASK 0x001f #define MIXER_VOLUME_LEFT_MASK 0x1f00 #define MIXER_MUTE_MASK 0x8000 |
