ALSA: sound/ps3: Restructure driver source
Sort includes, and reorder code so we can kill the forward declarations No functional changes Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Geert Uytterhoeven
Takashi Iwai
parent
112ac808eb
commit
cb6492e4a4
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@ -18,80 +18,30 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/dma-mapping.h>
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#include <linux/dmapool.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/slab.h>
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#include <sound/asound.h>
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#include <sound/control.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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#include <sound/asound.h>
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#include <sound/memalloc.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/control.h>
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#include <linux/dmapool.h>
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#include <linux/dma-mapping.h>
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#include <asm/firmware.h>
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#include <asm/dma.h>
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#include <asm/firmware.h>
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#include <asm/lv1call.h>
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#include <asm/ps3.h>
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#include <asm/ps3av.h>
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#include "snd_ps3_reg.h"
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#include "snd_ps3.h"
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#include "snd_ps3_reg.h"
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("PS3 sound driver");
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MODULE_AUTHOR("Sony Computer Entertainment Inc.");
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/* module entries */
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static int __init snd_ps3_init(void);
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static void __exit snd_ps3_exit(void);
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/* ALSA snd driver ops */
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static int snd_ps3_pcm_open(struct snd_pcm_substream *substream);
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static int snd_ps3_pcm_close(struct snd_pcm_substream *substream);
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static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream);
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static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
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int cmd);
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static snd_pcm_uframes_t snd_ps3_pcm_pointer(struct snd_pcm_substream
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*substream);
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static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params);
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static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream);
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/* ps3_system_bus_driver entries */
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static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev);
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static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev);
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/* address setup */
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static int snd_ps3_map_mmio(void);
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static void snd_ps3_unmap_mmio(void);
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static int snd_ps3_allocate_irq(void);
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static void snd_ps3_free_irq(void);
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static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start);
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/* interrupt handler */
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static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id);
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/* set sampling rate/format */
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static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream);
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/* take effect parameter change */
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static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card);
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/* initialize avsetting and take it effect */
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static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card);
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/* setup dma */
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static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
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enum snd_ps3_dma_filltype filltype);
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static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card);
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static dma_addr_t v_to_bus(struct snd_ps3_card_info *, void *vaddr, int ch);
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module_init(snd_ps3_init);
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module_exit(snd_ps3_exit);
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/*
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* global
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@ -165,17 +115,6 @@ static const struct snd_pcm_hardware snd_ps3_pcm_hw = {
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.fifo_size = PS3_AUDIO_FIFO_SIZE
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};
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static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
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.open = snd_ps3_pcm_open,
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.close = snd_ps3_pcm_close,
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.prepare = snd_ps3_pcm_prepare,
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.ioctl = snd_pcm_lib_ioctl,
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.trigger = snd_ps3_pcm_trigger,
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.pointer = snd_ps3_pcm_pointer,
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.hw_params = snd_ps3_pcm_hw_params,
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.hw_free = snd_ps3_pcm_hw_free
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};
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static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card,
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int count, int force_stop)
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{
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@ -368,6 +307,71 @@ static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
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return 0;
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}
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/*
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* Interrupt handler
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*/
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static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
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{
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uint32_t port_intr;
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int underflow_occured = 0;
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struct snd_ps3_card_info *card = dev_id;
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if (!card->running) {
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update_reg(PS3_AUDIO_AX_IS, 0);
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update_reg(PS3_AUDIO_INTR_0, 0);
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return IRQ_HANDLED;
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}
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port_intr = read_reg(PS3_AUDIO_AX_IS);
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/*
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*serial buffer empty detected (every 4 times),
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*program next dma and kick it
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*/
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if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) {
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write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0));
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if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
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write_reg(PS3_AUDIO_AX_IS, port_intr);
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underflow_occured = 1;
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}
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if (card->silent) {
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/* we are still in silent time */
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snd_ps3_program_dma(card,
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(underflow_occured) ?
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SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL :
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SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
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snd_ps3_kick_dma(card);
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card->silent--;
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} else {
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snd_ps3_program_dma(card,
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(underflow_occured) ?
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SND_PS3_DMA_FILLTYPE_FIRSTFILL :
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SND_PS3_DMA_FILLTYPE_RUNNING);
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snd_ps3_kick_dma(card);
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snd_pcm_period_elapsed(card->substream);
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}
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} else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
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write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
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/*
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* serial out underflow, but buffer empty not detected.
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* in this case, fill fifo with 0 to recover. After
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* filling dummy data, serial automatically start to
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* consume them and then will generate normal buffer
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* empty interrupts.
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* If both buffer underflow and buffer empty are occured,
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* it is better to do nomal data transfer than empty one
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*/
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snd_ps3_program_dma(card,
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SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
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snd_ps3_kick_dma(card);
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snd_ps3_program_dma(card,
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SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
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snd_ps3_kick_dma(card);
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}
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/* clear interrupt cause */
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return IRQ_HANDLED;
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};
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/*
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* audio mute on/off
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* mute_on : 0 output enabled
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@ -378,6 +382,142 @@ static int snd_ps3_mute(int mute_on)
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return ps3av_audio_mute(mute_on);
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}
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/*
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* av setting
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* NOTE: calling this function may generate audio interrupt.
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*/
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static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
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{
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int ret, retries, i;
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pr_debug("%s: start\n", __func__);
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ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
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card->avs.avs_audio_rate,
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card->avs.avs_audio_width,
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card->avs.avs_audio_format,
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card->avs.avs_audio_source);
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/*
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* Reset the following unwanted settings:
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*/
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/* disable all 3wire buffers */
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update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
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~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
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0);
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wmb(); /* ensure the hardware sees the change */
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/* wait for actually stopped */
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retries = 1000;
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while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
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(PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
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--retries) {
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udelay(1);
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}
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/* reset buffer pointer */
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for (i = 0; i < 4; i++) {
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update_reg(PS3_AUDIO_AO_3WCTRL(i),
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PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
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udelay(10);
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}
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wmb(); /* ensure the hardware actually start resetting */
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/* enable 3wire#0 buffer */
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update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
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/* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */
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update_mask_reg(PS3_AUDIO_AO_3WCTRL(0),
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~PS3_AUDIO_AO_3WCTRL_ASODF,
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PS3_AUDIO_AO_3WCTRL_ASODF_LSB);
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update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0),
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~PS3_AUDIO_AO_SPDCTRL_SPODF,
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PS3_AUDIO_AO_SPDCTRL_SPODF_LSB);
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/* ensure all the setting above is written back to register */
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wmb();
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/* avsetting driver altered AX_IE, caller must reset it if you want */
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pr_debug("%s: end\n", __func__);
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return ret;
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}
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/*
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* set sampling rate according to the substream
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*/
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static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
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{
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struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
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struct snd_ps3_avsetting_info avs;
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int ret;
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avs = card->avs;
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pr_debug("%s: called freq=%d width=%d\n", __func__,
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substream->runtime->rate,
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snd_pcm_format_width(substream->runtime->format));
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pr_debug("%s: before freq=%d width=%d\n", __func__,
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card->avs.avs_audio_rate, card->avs.avs_audio_width);
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/* sample rate */
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switch (substream->runtime->rate) {
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case 44100:
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avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
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break;
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case 48000:
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avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
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break;
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case 88200:
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avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
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break;
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case 96000:
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avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
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break;
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default:
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pr_info("%s: invalid rate %d\n", __func__,
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substream->runtime->rate);
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return 1;
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}
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/* width */
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switch (snd_pcm_format_width(substream->runtime->format)) {
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case 16:
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avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
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break;
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case 24:
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avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
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break;
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default:
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pr_info("%s: invalid width %d\n", __func__,
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snd_pcm_format_width(substream->runtime->format));
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return 1;
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}
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memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
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if (memcmp(&card->avs, &avs, sizeof(avs))) {
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pr_debug("%s: after freq=%d width=%d\n", __func__,
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card->avs.avs_audio_rate, card->avs.avs_audio_width);
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card->avs = avs;
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snd_ps3_change_avsetting(card);
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ret = 0;
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} else
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ret = 1;
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/* check CS non-audio bit and mute accordingly */
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if (avs.avs_cs_info[0] & 0x02)
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ps3av_audio_mute_analog(1); /* mute if non-audio */
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else
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ps3av_audio_mute_analog(0);
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return ret;
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}
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/*
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* PCM operators
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*/
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@ -403,6 +543,13 @@ static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
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return 0;
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};
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static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
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{
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/* mute on */
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snd_ps3_mute(1);
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return 0;
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};
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static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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@ -414,6 +561,13 @@ static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
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return 0;
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};
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static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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int ret;
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ret = snd_pcm_lib_free_pages(substream);
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return ret;
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};
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static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
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unsigned int delay_ms)
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{
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@ -553,202 +707,6 @@ static snd_pcm_uframes_t snd_ps3_pcm_pointer(
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return ret;
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};
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static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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int ret;
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ret = snd_pcm_lib_free_pages(substream);
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return ret;
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};
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static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
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{
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/* mute on */
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snd_ps3_mute(1);
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return 0;
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};
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static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
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{
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/*
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* avsetting driver seems to never change the followings
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* so, init them here once
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*/
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/* no dma interrupt needed */
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write_reg(PS3_AUDIO_INTR_EN_0, 0);
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/* use every 4 buffer empty interrupt */
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update_mask_reg(PS3_AUDIO_AX_IC,
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PS3_AUDIO_AX_IC_AASOIMD_MASK,
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PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
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/* enable 3wire clocks */
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update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
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~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
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PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
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0);
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update_reg(PS3_AUDIO_AO_3WMCTRL,
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PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
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}
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/*
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* av setting
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* NOTE: calling this function may generate audio interrupt.
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*/
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static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
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{
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int ret, retries, i;
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pr_debug("%s: start\n", __func__);
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ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
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card->avs.avs_audio_rate,
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card->avs.avs_audio_width,
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card->avs.avs_audio_format,
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card->avs.avs_audio_source);
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/*
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* Reset the following unwanted settings:
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*/
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/* disable all 3wire buffers */
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update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
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~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
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PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
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0);
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wmb(); /* ensure the hardware sees the change */
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/* wait for actually stopped */
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retries = 1000;
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while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
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(PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
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PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
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--retries) {
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udelay(1);
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}
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/* reset buffer pointer */
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for (i = 0; i < 4; i++) {
|
||||
update_reg(PS3_AUDIO_AO_3WCTRL(i),
|
||||
PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
|
||||
udelay(10);
|
||||
}
|
||||
wmb(); /* ensure the hardware actually start resetting */
|
||||
|
||||
/* enable 3wire#0 buffer */
|
||||
update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
|
||||
|
||||
|
||||
/* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */
|
||||
update_mask_reg(PS3_AUDIO_AO_3WCTRL(0),
|
||||
~PS3_AUDIO_AO_3WCTRL_ASODF,
|
||||
PS3_AUDIO_AO_3WCTRL_ASODF_LSB);
|
||||
update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0),
|
||||
~PS3_AUDIO_AO_SPDCTRL_SPODF,
|
||||
PS3_AUDIO_AO_SPDCTRL_SPODF_LSB);
|
||||
/* ensure all the setting above is written back to register */
|
||||
wmb();
|
||||
/* avsetting driver altered AX_IE, caller must reset it if you want */
|
||||
pr_debug("%s: end\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
|
||||
{
|
||||
int ret;
|
||||
pr_debug("%s: start\n", __func__);
|
||||
card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
|
||||
card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
|
||||
card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
|
||||
card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
|
||||
card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
|
||||
memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
|
||||
|
||||
ret = snd_ps3_change_avsetting(card);
|
||||
|
||||
snd_ps3_audio_fixup(card);
|
||||
|
||||
/* to start to generate SPDIF signal, fill data */
|
||||
snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
|
||||
snd_ps3_kick_dma(card);
|
||||
pr_debug("%s: end\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* set sampling rate according to the substream
|
||||
*/
|
||||
static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
|
||||
struct snd_ps3_avsetting_info avs;
|
||||
int ret;
|
||||
|
||||
avs = card->avs;
|
||||
|
||||
pr_debug("%s: called freq=%d width=%d\n", __func__,
|
||||
substream->runtime->rate,
|
||||
snd_pcm_format_width(substream->runtime->format));
|
||||
|
||||
pr_debug("%s: before freq=%d width=%d\n", __func__,
|
||||
card->avs.avs_audio_rate, card->avs.avs_audio_width);
|
||||
|
||||
/* sample rate */
|
||||
switch (substream->runtime->rate) {
|
||||
case 44100:
|
||||
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
|
||||
break;
|
||||
case 48000:
|
||||
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
|
||||
break;
|
||||
case 88200:
|
||||
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
|
||||
break;
|
||||
case 96000:
|
||||
avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
|
||||
break;
|
||||
default:
|
||||
pr_info("%s: invalid rate %d\n", __func__,
|
||||
substream->runtime->rate);
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* width */
|
||||
switch (snd_pcm_format_width(substream->runtime->format)) {
|
||||
case 16:
|
||||
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
|
||||
break;
|
||||
case 24:
|
||||
avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
|
||||
break;
|
||||
default:
|
||||
pr_info("%s: invalid width %d\n", __func__,
|
||||
snd_pcm_format_width(substream->runtime->format));
|
||||
return 1;
|
||||
}
|
||||
|
||||
memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
|
||||
|
||||
if (memcmp(&card->avs, &avs, sizeof(avs))) {
|
||||
pr_debug("%s: after freq=%d width=%d\n", __func__,
|
||||
card->avs.avs_audio_rate, card->avs.avs_audio_width);
|
||||
|
||||
card->avs = avs;
|
||||
snd_ps3_change_avsetting(card);
|
||||
ret = 0;
|
||||
} else
|
||||
ret = 1;
|
||||
|
||||
/* check CS non-audio bit and mute accordingly */
|
||||
if (avs.avs_cs_info[0] & 0x02)
|
||||
ps3av_audio_mute_analog(1); /* mute if non-audio */
|
||||
else
|
||||
ps3av_audio_mute_analog(0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* SPDIF status bits controls
|
||||
*/
|
||||
|
|
@ -815,6 +773,17 @@ static struct snd_kcontrol_new spdif_ctls[] = {
|
|||
},
|
||||
};
|
||||
|
||||
static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
|
||||
.open = snd_ps3_pcm_open,
|
||||
.close = snd_ps3_pcm_close,
|
||||
.ioctl = snd_pcm_lib_ioctl,
|
||||
.hw_params = snd_ps3_pcm_hw_params,
|
||||
.hw_free = snd_ps3_pcm_hw_free,
|
||||
.prepare = snd_ps3_pcm_prepare,
|
||||
.trigger = snd_ps3_pcm_trigger,
|
||||
.pointer = snd_ps3_pcm_pointer,
|
||||
};
|
||||
|
||||
|
||||
static int snd_ps3_map_mmio(void)
|
||||
{
|
||||
|
|
@ -912,6 +881,52 @@ static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
|
|||
ret);
|
||||
}
|
||||
|
||||
static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
|
||||
{
|
||||
/*
|
||||
* avsetting driver seems to never change the followings
|
||||
* so, init them here once
|
||||
*/
|
||||
|
||||
/* no dma interrupt needed */
|
||||
write_reg(PS3_AUDIO_INTR_EN_0, 0);
|
||||
|
||||
/* use every 4 buffer empty interrupt */
|
||||
update_mask_reg(PS3_AUDIO_AX_IC,
|
||||
PS3_AUDIO_AX_IC_AASOIMD_MASK,
|
||||
PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
|
||||
|
||||
/* enable 3wire clocks */
|
||||
update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
|
||||
~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
|
||||
PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
|
||||
0);
|
||||
update_reg(PS3_AUDIO_AO_3WMCTRL,
|
||||
PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
|
||||
}
|
||||
|
||||
static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
|
||||
{
|
||||
int ret;
|
||||
pr_debug("%s: start\n", __func__);
|
||||
card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
|
||||
card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
|
||||
card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
|
||||
card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
|
||||
card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
|
||||
memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
|
||||
|
||||
ret = snd_ps3_change_avsetting(card);
|
||||
|
||||
snd_ps3_audio_fixup(card);
|
||||
|
||||
/* to start to generate SPDIF signal, fill data */
|
||||
snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
|
||||
snd_ps3_kick_dma(card);
|
||||
pr_debug("%s: end\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
|
||||
{
|
||||
int i, ret;
|
||||
|
|
@ -1112,71 +1127,6 @@ static struct ps3_system_bus_driver snd_ps3_bus_driver_info = {
|
|||
};
|
||||
|
||||
|
||||
/*
|
||||
* Interrupt handler
|
||||
*/
|
||||
static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
|
||||
uint32_t port_intr;
|
||||
int underflow_occured = 0;
|
||||
struct snd_ps3_card_info *card = dev_id;
|
||||
|
||||
if (!card->running) {
|
||||
update_reg(PS3_AUDIO_AX_IS, 0);
|
||||
update_reg(PS3_AUDIO_INTR_0, 0);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
port_intr = read_reg(PS3_AUDIO_AX_IS);
|
||||
/*
|
||||
*serial buffer empty detected (every 4 times),
|
||||
*program next dma and kick it
|
||||
*/
|
||||
if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) {
|
||||
write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0));
|
||||
if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
|
||||
write_reg(PS3_AUDIO_AX_IS, port_intr);
|
||||
underflow_occured = 1;
|
||||
}
|
||||
if (card->silent) {
|
||||
/* we are still in silent time */
|
||||
snd_ps3_program_dma(card,
|
||||
(underflow_occured) ?
|
||||
SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL :
|
||||
SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
|
||||
snd_ps3_kick_dma(card);
|
||||
card->silent--;
|
||||
} else {
|
||||
snd_ps3_program_dma(card,
|
||||
(underflow_occured) ?
|
||||
SND_PS3_DMA_FILLTYPE_FIRSTFILL :
|
||||
SND_PS3_DMA_FILLTYPE_RUNNING);
|
||||
snd_ps3_kick_dma(card);
|
||||
snd_pcm_period_elapsed(card->substream);
|
||||
}
|
||||
} else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
|
||||
write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
|
||||
/*
|
||||
* serial out underflow, but buffer empty not detected.
|
||||
* in this case, fill fifo with 0 to recover. After
|
||||
* filling dummy data, serial automatically start to
|
||||
* consume them and then will generate normal buffer
|
||||
* empty interrupts.
|
||||
* If both buffer underflow and buffer empty are occured,
|
||||
* it is better to do nomal data transfer than empty one
|
||||
*/
|
||||
snd_ps3_program_dma(card,
|
||||
SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
|
||||
snd_ps3_kick_dma(card);
|
||||
snd_ps3_program_dma(card,
|
||||
SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
|
||||
snd_ps3_kick_dma(card);
|
||||
}
|
||||
/* clear interrupt cause */
|
||||
return IRQ_HANDLED;
|
||||
};
|
||||
|
||||
/*
|
||||
* module/subsystem initialize/terminate
|
||||
*/
|
||||
|
|
@ -1195,10 +1145,15 @@ static int __init snd_ps3_init(void)
|
|||
|
||||
return ret;
|
||||
}
|
||||
module_init(snd_ps3_init);
|
||||
|
||||
static void __exit snd_ps3_exit(void)
|
||||
{
|
||||
ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info);
|
||||
}
|
||||
module_exit(snd_ps3_exit);
|
||||
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_DESCRIPTION("PS3 sound driver");
|
||||
MODULE_AUTHOR("Sony Computer Entertainment Inc.");
|
||||
MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND);
|
||||
|
|
|
|||
Loading…
Reference in New Issue