diff options
author | Mark Brown <broonie@linaro.org> | 2013-09-11 11:17:15 +0100 |
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committer | Mark Brown <broonie@linaro.org> | 2013-09-11 11:17:15 +0100 |
commit | c34c0d7684b8b79666da6b1bc37fc330cd0dd216 (patch) | |
tree | c2bc72d67862df770af45a88814759baa0744d2c /sound/pci/rme96.c | |
parent | 29dc5dd229dc3130b51df0932e59946fc09d3bd4 (diff) | |
parent | 4345adf92db760ca1a54061ce284aaa2e7d0791e (diff) | |
download | linux-c34c0d7684b8b79666da6b1bc37fc330cd0dd216.tar.bz2 |
Merge remote-tracking branch 'asoc/fix/fsl' into asoc-linus
Diffstat (limited to 'sound/pci/rme96.c')
-rw-r--r-- | sound/pci/rme96.c | 307 |
1 files changed, 232 insertions, 75 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 2a8ad9d1a2ae..bb9ebc5543d7 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -28,6 +28,7 @@ #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/module.h> +#include <linux/vmalloc.h> #include <sound/core.h> #include <sound/info.h> @@ -198,6 +199,31 @@ MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard."); #define RME96_AD1852_VOL_BITS 14 #define RME96_AD1855_VOL_BITS 10 +/* Defines for snd_rme96_trigger */ +#define RME96_TB_START_PLAYBACK 1 +#define RME96_TB_START_CAPTURE 2 +#define RME96_TB_STOP_PLAYBACK 4 +#define RME96_TB_STOP_CAPTURE 8 +#define RME96_TB_RESET_PLAYPOS 16 +#define RME96_TB_RESET_CAPTUREPOS 32 +#define RME96_TB_CLEAR_PLAYBACK_IRQ 64 +#define RME96_TB_CLEAR_CAPTURE_IRQ 128 +#define RME96_RESUME_PLAYBACK (RME96_TB_START_PLAYBACK) +#define RME96_RESUME_CAPTURE (RME96_TB_START_CAPTURE) +#define RME96_RESUME_BOTH (RME96_RESUME_PLAYBACK \ + | RME96_RESUME_CAPTURE) +#define RME96_START_PLAYBACK (RME96_TB_START_PLAYBACK \ + | RME96_TB_RESET_PLAYPOS) +#define RME96_START_CAPTURE (RME96_TB_START_CAPTURE \ + | RME96_TB_RESET_CAPTUREPOS) +#define RME96_START_BOTH (RME96_START_PLAYBACK \ + | RME96_START_CAPTURE) +#define RME96_STOP_PLAYBACK (RME96_TB_STOP_PLAYBACK \ + | RME96_TB_CLEAR_PLAYBACK_IRQ) +#define RME96_STOP_CAPTURE (RME96_TB_STOP_CAPTURE \ + | RME96_TB_CLEAR_CAPTURE_IRQ) +#define RME96_STOP_BOTH (RME96_STOP_PLAYBACK \ + | RME96_STOP_CAPTURE) struct rme96 { spinlock_t lock; @@ -214,6 +240,13 @@ struct rme96 { u8 rev; /* card revision number */ +#ifdef CONFIG_PM + u32 playback_pointer; + u32 capture_pointer; + void *playback_suspend_buffer; + void *capture_suspend_buffer; +#endif + struct snd_pcm_substream *playback_substream; struct snd_pcm_substream *capture_substream; @@ -344,6 +377,8 @@ static struct snd_pcm_hardware snd_rme96_playback_spdif_info = { .info = (SNDRV_PCM_INFO_MMAP_IOMEM | SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE), .formats = (SNDRV_PCM_FMTBIT_S16_LE | @@ -373,6 +408,8 @@ static struct snd_pcm_hardware snd_rme96_capture_spdif_info = { .info = (SNDRV_PCM_INFO_MMAP_IOMEM | SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE), .formats = (SNDRV_PCM_FMTBIT_S16_LE | @@ -402,6 +439,8 @@ static struct snd_pcm_hardware snd_rme96_playback_adat_info = { .info = (SNDRV_PCM_INFO_MMAP_IOMEM | SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE), .formats = (SNDRV_PCM_FMTBIT_S16_LE | @@ -427,6 +466,8 @@ static struct snd_pcm_hardware snd_rme96_capture_adat_info = { .info = (SNDRV_PCM_INFO_MMAP_IOMEM | SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE), .formats = (SNDRV_PCM_FMTBIT_S16_LE | @@ -1045,54 +1086,35 @@ snd_rme96_capture_hw_params(struct snd_pcm_substream *substream, } static void -snd_rme96_playback_start(struct rme96 *rme96, - int from_pause) +snd_rme96_trigger(struct rme96 *rme96, + int op) { - if (!from_pause) { + if (op & RME96_TB_RESET_PLAYPOS) writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS); - } - - rme96->wcreg |= RME96_WCR_START; - writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); -} - -static void -snd_rme96_capture_start(struct rme96 *rme96, - int from_pause) -{ - if (!from_pause) { + if (op & RME96_TB_RESET_CAPTUREPOS) writel(0, rme96->iobase + RME96_IO_RESET_REC_POS); - } - - rme96->wcreg |= RME96_WCR_START_2; + if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) { + rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER); + if (rme96->rcreg & RME96_RCR_IRQ) + writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ); + } + if (op & RME96_TB_CLEAR_CAPTURE_IRQ) { + rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER); + if (rme96->rcreg & RME96_RCR_IRQ_2) + writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ); + } + if (op & RME96_TB_START_PLAYBACK) + rme96->wcreg |= RME96_WCR_START; + if (op & RME96_TB_STOP_PLAYBACK) + rme96->wcreg &= ~RME96_WCR_START; + if (op & RME96_TB_START_CAPTURE) + rme96->wcreg |= RME96_WCR_START_2; + if (op & RME96_TB_STOP_CAPTURE) + rme96->wcreg &= ~RME96_WCR_START_2; writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); } -static void -snd_rme96_playback_stop(struct rme96 *rme96) -{ - /* - * Check if there is an unconfirmed IRQ, if so confirm it, or else - * the hardware will not stop generating interrupts - */ - rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER); - if (rme96->rcreg & RME96_RCR_IRQ) { - writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ); - } - rme96->wcreg &= ~RME96_WCR_START; - writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); -} -static void -snd_rme96_capture_stop(struct rme96 *rme96) -{ - rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER); - if (rme96->rcreg & RME96_RCR_IRQ_2) { - writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ); - } - rme96->wcreg &= ~RME96_WCR_START_2; - writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); -} static irqreturn_t snd_rme96_interrupt(int irq, @@ -1155,6 +1177,7 @@ snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream) struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_set_sync(substream); spin_lock_irq(&rme96->lock); if (rme96->playback_substream != NULL) { spin_unlock_irq(&rme96->lock); @@ -1191,6 +1214,7 @@ snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream) struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_set_sync(substream); runtime->hw = snd_rme96_capture_spdif_info; if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG && (rate = snd_rme96_capture_getrate(rme96, &isadat)) > 0) @@ -1222,6 +1246,7 @@ snd_rme96_playback_adat_open(struct snd_pcm_substream *substream) struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_set_sync(substream); spin_lock_irq(&rme96->lock); if (rme96->playback_substream != NULL) { spin_unlock_irq(&rme96->lock); @@ -1253,6 +1278,7 @@ snd_rme96_capture_adat_open(struct snd_pcm_substream *substream) struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_set_sync(substream); runtime->hw = snd_rme96_capture_adat_info; if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) { /* makes no sense to use analog input. Note that analog @@ -1288,7 +1314,7 @@ snd_rme96_playback_close(struct snd_pcm_substream *substream) spin_lock_irq(&rme96->lock); if (RME96_ISPLAYING(rme96)) { - snd_rme96_playback_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK); } rme96->playback_substream = NULL; rme96->playback_periodsize = 0; @@ -1309,7 +1335,7 @@ snd_rme96_capture_close(struct snd_pcm_substream *substream) spin_lock_irq(&rme96->lock); if (RME96_ISRECORDING(rme96)) { - snd_rme96_capture_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_CAPTURE); } rme96->capture_substream = NULL; rme96->capture_periodsize = 0; @@ -1324,7 +1350,7 @@ snd_rme96_playback_prepare(struct snd_pcm_substream *substream) spin_lock_irq(&rme96->lock); if (RME96_ISPLAYING(rme96)) { - snd_rme96_playback_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK); } writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS); spin_unlock_irq(&rme96->lock); @@ -1338,7 +1364,7 @@ snd_rme96_capture_prepare(struct snd_pcm_substream *substream) spin_lock_irq(&rme96->lock); if (RME96_ISRECORDING(rme96)) { - snd_rme96_capture_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_CAPTURE); } writel(0, rme96->iobase + RME96_IO_RESET_REC_POS); spin_unlock_irq(&rme96->lock); @@ -1350,41 +1376,55 @@ snd_rme96_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); + struct snd_pcm_substream *s; + bool sync; + + snd_pcm_group_for_each_entry(s, substream) { + if (snd_pcm_substream_chip(s) == rme96) + snd_pcm_trigger_done(s, substream); + } + + sync = (rme96->playback_substream && rme96->capture_substream) && + (rme96->playback_substream->group == + rme96->capture_substream->group); switch (cmd) { case SNDRV_PCM_TRIGGER_START: if (!RME96_ISPLAYING(rme96)) { - if (substream != rme96->playback_substream) { + if (substream != rme96->playback_substream) return -EBUSY; - } - snd_rme96_playback_start(rme96, 0); + snd_rme96_trigger(rme96, sync ? RME96_START_BOTH + : RME96_START_PLAYBACK); } break; + case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_STOP: if (RME96_ISPLAYING(rme96)) { - if (substream != rme96->playback_substream) { + if (substream != rme96->playback_substream) return -EBUSY; - } - snd_rme96_playback_stop(rme96); + snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH + : RME96_STOP_PLAYBACK); } break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (RME96_ISPLAYING(rme96)) { - snd_rme96_playback_stop(rme96); - } + if (RME96_ISPLAYING(rme96)) + snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH + : RME96_STOP_PLAYBACK); break; + case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (!RME96_ISPLAYING(rme96)) { - snd_rme96_playback_start(rme96, 1); - } + if (!RME96_ISPLAYING(rme96)) + snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH + : RME96_RESUME_PLAYBACK); break; - + default: return -EINVAL; } + return 0; } @@ -1393,38 +1433,51 @@ snd_rme96_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); + struct snd_pcm_substream *s; + bool sync; + + snd_pcm_group_for_each_entry(s, substream) { + if (snd_pcm_substream_chip(s) == rme96) + snd_pcm_trigger_done(s, substream); + } + + sync = (rme96->playback_substream && rme96->capture_substream) && + (rme96->playback_substream->group == + rme96->capture_substream->group); switch (cmd) { case SNDRV_PCM_TRIGGER_START: if (!RME96_ISRECORDING(rme96)) { - if (substream != rme96->capture_substream) { + if (substream != rme96->capture_substream) return -EBUSY; - } - snd_rme96_capture_start(rme96, 0); + snd_rme96_trigger(rme96, sync ? RME96_START_BOTH + : RME96_START_CAPTURE); } break; + case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_STOP: if (RME96_ISRECORDING(rme96)) { - if (substream != rme96->capture_substream) { + if (substream != rme96->capture_substream) return -EBUSY; - } - snd_rme96_capture_stop(rme96); + snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH + : RME96_STOP_CAPTURE); } break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (RME96_ISRECORDING(rme96)) { - snd_rme96_capture_stop(rme96); - } + if (RME96_ISRECORDING(rme96)) + snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH + : RME96_STOP_CAPTURE); break; + case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (!RME96_ISRECORDING(rme96)) { - snd_rme96_capture_start(rme96, 1); - } + if (!RME96_ISRECORDING(rme96)) + snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH + : RME96_RESUME_CAPTURE); break; - + default: return -EINVAL; } @@ -1505,8 +1558,7 @@ snd_rme96_free(void *private_data) return; } if (rme96->irq >= 0) { - snd_rme96_playback_stop(rme96); - snd_rme96_capture_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_BOTH); rme96->areg &= ~RME96_AR_DAC_EN; writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG); free_irq(rme96->irq, (void *)rme96); @@ -1520,6 +1572,10 @@ snd_rme96_free(void *private_data) pci_release_regions(rme96->pci); rme96->port = 0; } +#ifdef CONFIG_PM + vfree(rme96->playback_suspend_buffer); + vfree(rme96->capture_suspend_buffer); +#endif pci_disable_device(rme96->pci); } @@ -1606,8 +1662,7 @@ snd_rme96_create(struct rme96 *rme96) rme96->capture_periodsize = 0; /* make sure playback/capture is stopped, if by some reason active */ - snd_rme96_playback_stop(rme96); - snd_rme96_capture_stop(rme96); + snd_rme96_trigger(rme96, RME96_STOP_BOTH); /* set default values in registers */ rme96->wcreg = @@ -2319,6 +2374,87 @@ snd_rme96_create_switches(struct snd_card *card, * Card initialisation */ +#ifdef CONFIG_PM + +static int +snd_rme96_suspend(struct pci_dev *pci, + pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct rme96 *rme96 = card->private_data; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend(rme96->playback_substream); + snd_pcm_suspend(rme96->capture_substream); + + /* save capture & playback pointers */ + rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS) + & RME96_RCR_AUDIO_ADDR_MASK; + rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS) + & RME96_RCR_AUDIO_ADDR_MASK; + + /* save playback and capture buffers */ + memcpy_fromio(rme96->playback_suspend_buffer, + rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE); + memcpy_fromio(rme96->capture_suspend_buffer, + rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE); + + /* disable the DAC */ + rme96->areg &= ~RME96_AR_DAC_EN; + writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG); + + pci_disable_device(pci); + pci_save_state(pci); + + return 0; +} + +static int +snd_rme96_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct rme96 *rme96 = card->private_data; + + pci_restore_state(pci); + if (pci_enable_device(pci) < 0) { + printk(KERN_ERR "rme96: pci_enable_device failed, disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } + + /* reset playback and record buffer pointers */ + writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS + + rme96->playback_pointer); + writel(0, rme96->iobase + RME96_IO_SET_REC_POS + + rme96->capture_pointer); + + /* restore playback and capture buffers */ + memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER, + rme96->playback_suspend_buffer, RME96_BUFFER_SIZE); + memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER, + rme96->capture_suspend_buffer, RME96_BUFFER_SIZE); + + /* reset the ADC */ + writel(rme96->areg | RME96_AR_PD2, + rme96->iobase + RME96_IO_ADDITIONAL_REG); + writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG); + + /* reset and enable DAC, restore analog volume */ + snd_rme96_reset_dac(rme96); + rme96->areg |= RME96_AR_DAC_EN; + writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG); + if (RME96_HAS_ANALOG_OUT(rme96)) { + usleep_range(3000, 10000); + snd_rme96_apply_dac_volume(rme96); + } + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + + return 0; +} + +#endif + static void snd_rme96_card_free(struct snd_card *card) { snd_rme96_free(card->private_data); @@ -2355,6 +2491,23 @@ snd_rme96_probe(struct pci_dev *pci, return err; } +#ifdef CONFIG_PM + rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE); + if (!rme96->playback_suspend_buffer) { + snd_printk(KERN_ERR + "Failed to allocate playback suspend buffer!\n"); + snd_card_free(card); + return -ENOMEM; + } + rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE); + if (!rme96->capture_suspend_buffer) { + snd_printk(KERN_ERR + "Failed to allocate capture suspend buffer!\n"); + snd_card_free(card); + return -ENOMEM; + } +#endif + strcpy(card->driver, "Digi96"); switch (rme96->pci->device) { case PCI_DEVICE_ID_RME_DIGI96: @@ -2397,6 +2550,10 @@ static struct pci_driver rme96_driver = { .id_table = snd_rme96_ids, .probe = snd_rme96_probe, .remove = snd_rme96_remove, +#ifdef CONFIG_PM + .suspend = snd_rme96_suspend, + .resume = snd_rme96_resume, +#endif }; module_pci_driver(rme96_driver); |