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Commit cb6492e4 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Takashi Iwai
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ALSA: sound/ps3: Restructure driver source 

Sort includes, and reorder code so we can kill the forward declarations

No functional changes
Signed-off-by: default avatarGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 112ac808
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Showing with 354 additions and 399 deletions
sound/ppc/snd_ps3.c
View file @ cb6492e4
......@@ -18,81 +18,31 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <sound/asound.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/asound.h>
#include <sound/memalloc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
#include <linux/dmapool.h>
#include <linux/dma-mapping.h>
#include <asm/firmware.h>
#include <asm/dma.h>
#include <asm/firmware.h>
#include <asm/lv1call.h>
#include <asm/ps3.h>
#include <asm/ps3av.h>
#include "snd_ps3_reg.h"
#include "snd_ps3.h"
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PS3 sound driver");
MODULE_AUTHOR("Sony Computer Entertainment Inc.");
/* module entries */
static int __init snd_ps3_init(void);
static void __exit snd_ps3_exit(void);
/* ALSA snd driver ops */
static int snd_ps3_pcm_open(struct snd_pcm_substream *substream);
static int snd_ps3_pcm_close(struct snd_pcm_substream *substream);
static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream);
static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
int cmd);
static snd_pcm_uframes_t snd_ps3_pcm_pointer(struct snd_pcm_substream
*substream);
static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params);
static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream);
/* ps3_system_bus_driver entries */
static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev);
static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev);
/* address setup */
static int snd_ps3_map_mmio(void);
static void snd_ps3_unmap_mmio(void);
static int snd_ps3_allocate_irq(void);
static void snd_ps3_free_irq(void);
static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start);
/* interrupt handler */
static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id);
/* set sampling rate/format */
static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream);
/* take effect parameter change */
static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card);
/* initialize avsetting and take it effect */
static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card);
/* setup dma */
static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
enum snd_ps3_dma_filltype filltype);
static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card);
static dma_addr_t v_to_bus(struct snd_ps3_card_info *, void *vaddr, int ch);
#include "snd_ps3_reg.h"
module_init(snd_ps3_init);
module_exit(snd_ps3_exit);
/*
* global
*/
......@@ -165,17 +115,6 @@ static const struct snd_pcm_hardware snd_ps3_pcm_hw = {
.fifo_size = PS3_AUDIO_FIFO_SIZE
};
static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
.open = snd_ps3_pcm_open,
.close = snd_ps3_pcm_close,
.prepare = snd_ps3_pcm_prepare,
.ioctl = snd_pcm_lib_ioctl,
.trigger = snd_ps3_pcm_trigger,
.pointer = snd_ps3_pcm_pointer,
.hw_params = snd_ps3_pcm_hw_params,
.hw_free = snd_ps3_pcm_hw_free
};
static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card,
int count, int force_stop)
{
......@@ -368,6 +307,71 @@ static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
return 0;
}
/*
* 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;
};
/*
* audio mute on/off
* mute_on : 0 output enabled
......@@ -378,6 +382,142 @@ static int snd_ps3_mute(int mute_on)
return ps3av_audio_mute(mute_on);
}
/*
* av setting
* NOTE: calling this function may generate audio interrupt.
*/
static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
{
int ret, retries, i;
pr_debug("%s: start\n", __func__);
ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
card->avs.avs_audio_rate,
card->avs.avs_audio_width,
card->avs.avs_audio_format,
card->avs.avs_audio_source);
/*
* Reset the following unwanted settings:
*/
/* disable all 3wire buffers */
update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
0);
wmb(); /* ensure the hardware sees the change */
/* wait for actually stopped */
retries = 1000;
while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
(PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
--retries) {
udelay(1);
}
/* reset buffer pointer */
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;
}
/*
* 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;
}
/*
* PCM operators
*/
......@@ -403,6 +543,13 @@ static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
return 0;
};
static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
{
/* mute on */
snd_ps3_mute(1);
return 0;
};
static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
......@@ -414,6 +561,13 @@ static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
return 0;
};
static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
{
int ret;
ret = snd_pcm_lib_free_pages(substream);
return ret;
};
static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
unsigned int delay_ms)
{
......@@ -467,287 +621,91 @@ static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream)
runtime->dma_area;
card->dma_start_bus_addr[SND_PS3_CH_L] = runtime->dma_addr;
card->dma_last_transfer_vaddr[SND_PS3_CH_R] =
card->dma_next_transfer_vaddr[SND_PS3_CH_R] =
card->dma_start_vaddr[SND_PS3_CH_R] =
runtime->dma_area + (runtime->dma_bytes / 2);
card->dma_start_bus_addr[SND_PS3_CH_R] =
runtime->dma_addr + (runtime->dma_bytes / 2);
pr_debug("%s: vaddr=%p bus=%#llx\n", __func__,
card->dma_start_vaddr[SND_PS3_CH_L],
card->dma_start_bus_addr[SND_PS3_CH_L]);
}
spin_unlock_irqrestore(&card->dma_lock, irqsave);
/* ensure the hardware sees the change */
mb();
return 0;
};
static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
/* clear outstanding interrupts */
update_reg(PS3_AUDIO_AX_IS, 0);
spin_lock(&card->dma_lock);
{
card->running = 1;
}
spin_unlock(&card->dma_lock);
snd_ps3_program_dma(card,
SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
snd_ps3_kick_dma(card);
while (read_reg(PS3_AUDIO_KICK(7)) &
PS3_AUDIO_KICK_STATUS_MASK) {
udelay(1);
}
snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
snd_ps3_kick_dma(card);
break;
case SNDRV_PCM_TRIGGER_STOP:
spin_lock(&card->dma_lock);
{
card->running = 0;
}
spin_unlock(&card->dma_lock);
snd_ps3_wait_for_dma_stop(card);
break;
default:
break;
}
return ret;
};
/*
* report current pointer
*/
static snd_pcm_uframes_t snd_ps3_pcm_pointer(
struct snd_pcm_substream *substream)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
size_t bytes;
snd_pcm_uframes_t ret;
spin_lock(&card->dma_lock);
{
bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] -
card->dma_start_vaddr[SND_PS3_CH_L]);
}
spin_unlock(&card->dma_lock);
ret = bytes_to_frames(substream->runtime, bytes * 2);
return ret;
};
static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
{
int ret;
ret = snd_pcm_lib_free_pages(substream);
return ret;
};
static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
{
/* mute on */
snd_ps3_mute(1);
return 0;
};
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);
}
/*
* av setting
* NOTE: calling this function may generate audio interrupt.
*/
static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
{
int ret, retries, i;
pr_debug("%s: start\n", __func__);
ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
card->avs.avs_audio_rate,
card->avs.avs_audio_width,
card->avs.avs_audio_format,
card->avs.avs_audio_source);
/*
* Reset the following unwanted settings:
*/
/* disable all 3wire buffers */
update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
0);
wmb(); /* ensure the hardware sees the change */
/* wait for actually stopped */
retries = 1000;
while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
(PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
--retries) {
udelay(1);
}
/* reset buffer pointer */
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);
card->dma_last_transfer_vaddr[SND_PS3_CH_R] =
card->dma_next_transfer_vaddr[SND_PS3_CH_R] =
card->dma_start_vaddr[SND_PS3_CH_R] =
runtime->dma_area + (runtime->dma_bytes / 2);
card->dma_start_bus_addr[SND_PS3_CH_R] =
runtime->dma_addr + (runtime->dma_bytes / 2);
snd_ps3_audio_fixup(card);
pr_debug("%s: vaddr=%p bus=%#llx\n", __func__,
card->dma_start_vaddr[SND_PS3_CH_L],
card->dma_start_bus_addr[SND_PS3_CH_L]);
/* 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;
}
}
spin_unlock_irqrestore(&card->dma_lock, irqsave);
/*
* set sampling rate according to the substream
*/
static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
/* ensure the hardware sees the change */
mb();
return 0;
};
static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
struct snd_ps3_avsetting_info avs;
int ret;
avs = card->avs;
int ret = 0;
pr_debug("%s: called freq=%d width=%d\n", __func__,
substream->runtime->rate,
snd_pcm_format_width(substream->runtime->format));
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
/* clear outstanding interrupts */
update_reg(PS3_AUDIO_AX_IS, 0);
pr_debug("%s: before freq=%d width=%d\n", __func__,
card->avs.avs_audio_rate, card->avs.avs_audio_width);
spin_lock(&card->dma_lock);
{
card->running = 1;
}
spin_unlock(&card->dma_lock);
/* 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;
snd_ps3_program_dma(card,
SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
snd_ps3_kick_dma(card);
while (read_reg(PS3_AUDIO_KICK(7)) &
PS3_AUDIO_KICK_STATUS_MASK) {
udelay(1);
}
snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
snd_ps3_kick_dma(card);
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;
case SNDRV_PCM_TRIGGER_STOP:
spin_lock(&card->dma_lock);
{
card->running = 0;
}
spin_unlock(&card->dma_lock);
snd_ps3_wait_for_dma_stop(card);
break;
default:
pr_info("%s: invalid width %d\n", __func__,
snd_pcm_format_width(substream->runtime->format));
return 1;
break;
}
memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
return ret;
};
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);
/*
* report current pointer
*/
static snd_pcm_uframes_t snd_ps3_pcm_pointer(
struct snd_pcm_substream *substream)
{
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
size_t bytes;
snd_pcm_uframes_t ret;
card->avs = avs;
snd_ps3_change_avsetting(card);
ret = 0;
} else
ret = 1;
spin_lock(&card->dma_lock);
{
bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] -
card->dma_start_vaddr[SND_PS3_CH_L]);
}
spin_unlock(&card->dma_lock);
/* 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);
ret = bytes_to_frames(substream->runtime, bytes * 2);
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);
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