[ALSA] Add PS3 sound driver
The patch adds the support for the sound feature of PS3 - the digital
output of HDMI and SPDIF optical, and the analog output of AV multi.
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/ppc/Kconfig b/sound/ppc/Kconfig
index a3fb149..cacb0b1 100644
--- a/sound/ppc/Kconfig
+++ b/sound/ppc/Kconfig
@@ -33,3 +33,23 @@
option.
endmenu
+
+menu "ALSA PowerPC devices"
+ depends on SND!=n && ( PPC64 || PPC32 )
+
+config SND_PS3
+ tristate "PS3 Audio support"
+ depends on SND && PS3_PS3AV
+ select SND_PCM
+ default m
+ help
+ Say Y here to include support for audio on the PS3
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd_ps3.
+
+config SND_PS3_DEFAULT_START_DELAY
+ int "Startup delay time in ms"
+ depends on SND_PS3
+ default "2000"
+endmenu
diff --git a/sound/ppc/Makefile b/sound/ppc/Makefile
index 4d95c65..eacee2d 100644
--- a/sound/ppc/Makefile
+++ b/sound/ppc/Makefile
@@ -6,4 +6,5 @@
snd-powermac-objs := powermac.o pmac.o awacs.o burgundy.o daca.o tumbler.o keywest.o beep.o
# Toplevel Module Dependency
-obj-$(CONFIG_SND_POWERMAC) += snd-powermac.o
+obj-$(CONFIG_SND_POWERMAC) += snd-powermac.o
+obj-$(CONFIG_SND_PS3) += snd_ps3.o
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
new file mode 100644
index 0000000..1aa0b46
--- /dev/null
+++ b/sound/ppc/snd_ps3.c
@@ -0,0 +1,1125 @@
+/*
+ * Audio support for PS3
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * All rights reserved.
+ * Copyright 2006, 2007 Sony Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the Licence.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/asound.h>
+#include <sound/memalloc.h>
+#include <sound/pcm_params.h>
+#include <sound/control.h>
+#include <linux/dmapool.h>
+#include <linux/dma-mapping.h>
+#include <asm/firmware.h>
+#include <linux/io.h>
+#include <asm/dma.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);
+
+
+module_init(snd_ps3_init);
+module_exit(snd_ps3_exit);
+
+/*
+ * global
+ */
+static struct snd_ps3_card_info the_card;
+
+static int snd_ps3_start_delay = CONFIG_SND_PS3_DEFAULT_START_DELAY;
+
+module_param_named(start_delay, snd_ps3_start_delay, uint, 0644);
+MODULE_PARM_DESC(start_delay, "time to insert silent data in milisec");
+
+static int index = SNDRV_DEFAULT_IDX1;
+static char *id = SNDRV_DEFAULT_STR1;
+
+module_param(index, int, 0444);
+MODULE_PARM_DESC(index, "Index value for PS3 soundchip.");
+module_param(id, charp, 0444);
+MODULE_PARM_DESC(id, "ID string for PS3 soundchip.");
+
+
+/*
+ * PS3 audio register access
+ */
+static inline u32 read_reg(unsigned int reg)
+{
+ return in_be32(the_card.mapped_mmio_vaddr + reg);
+}
+static inline void write_reg(unsigned int reg, u32 val)
+{
+ out_be32(the_card.mapped_mmio_vaddr + reg, val);
+}
+static inline void update_reg(unsigned int reg, u32 or_val)
+{
+ u32 newval = read_reg(reg) | or_val;
+ write_reg(reg, newval);
+}
+static inline void update_mask_reg(unsigned int reg, u32 mask, u32 or_val)
+{
+ u32 newval = (read_reg(reg) & mask) | or_val;
+ write_reg(reg, newval);
+}
+
+/*
+ * ALSA defs
+ */
+const static struct snd_pcm_hardware snd_ps3_pcm_hw = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = (SNDRV_PCM_FMTBIT_S16_BE |
+ SNDRV_PCM_FMTBIT_S24_BE),
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 44100,
+ .rate_max = 96000,
+
+ .channels_min = 2, /* stereo only */
+ .channels_max = 2,
+
+ .buffer_bytes_max = PS3_AUDIO_FIFO_SIZE * 64,
+
+ /* interrupt by four stages */
+ .period_bytes_min = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
+ .period_bytes_max = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
+
+ .periods_min = 16,
+ .periods_max = 32, /* buffer_size_max/ period_bytes_max */
+
+ .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)
+{
+ int dma_ch, done, retries, stop_forced = 0;
+ uint32_t status;
+
+ for (dma_ch = 0; dma_ch < 8; dma_ch ++) {
+ retries = count;
+ do {
+ status = read_reg(PS3_AUDIO_KICK(dma_ch)) &
+ PS3_AUDIO_KICK_STATUS_MASK;
+ switch (status) {
+ case PS3_AUDIO_KICK_STATUS_DONE:
+ case PS3_AUDIO_KICK_STATUS_NOTIFY:
+ case PS3_AUDIO_KICK_STATUS_CLEAR:
+ case PS3_AUDIO_KICK_STATUS_ERROR:
+ done = 1;
+ break;
+ default:
+ done = 0;
+ udelay(10);
+ }
+ } while (!done && --retries);
+ if (!retries && force_stop) {
+ pr_info("%s: DMA ch %d is not stopped.",
+ __func__, dma_ch);
+ /* last resort. force to stop dma.
+ * NOTE: this cause DMA done interrupts
+ */
+ update_reg(PS3_AUDIO_CONFIG, PS3_AUDIO_CONFIG_CLEAR);
+ stop_forced = 1;
+ }
+ }
+ return stop_forced;
+}
+
+/*
+ * wait for all dma is done.
+ * NOTE: caller should reset card->running before call.
+ * If not, the interrupt handler will re-start DMA,
+ * then DMA is never stopped.
+ */
+static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card)
+{
+ int stop_forced;
+ /*
+ * wait for the last dma is done
+ */
+
+ /*
+ * expected maximum DMA done time is 5.7ms + something (DMA itself).
+ * 5.7ms is from 16bit/sample 2ch 44.1Khz; the time next
+ * DMA kick event would occur.
+ */
+ stop_forced = snd_ps3_verify_dma_stop(card, 700, 1);
+
+ /*
+ * clear outstanding interrupts.
+ */
+ update_reg(PS3_AUDIO_INTR_0, 0);
+ update_reg(PS3_AUDIO_AX_IS, 0);
+
+ /*
+ *revert CLEAR bit since it will not reset automatically after DMA stop
+ */
+ if (stop_forced)
+ update_mask_reg(PS3_AUDIO_CONFIG, ~PS3_AUDIO_CONFIG_CLEAR, 0);
+ /* ensure the hardware sees changes */
+ wmb();
+}
+
+static void snd_ps3_kick_dma(struct snd_ps3_card_info *card)
+{
+
+ update_reg(PS3_AUDIO_KICK(0), PS3_AUDIO_KICK_REQUEST);
+ /* ensure the hardware sees the change */
+ wmb();
+}
+
+/*
+ * convert virtual addr to ioif bus addr.
+ */
+static dma_addr_t v_to_bus(struct snd_ps3_card_info *card,
+ void * paddr,
+ int ch)
+{
+ return card->dma_start_bus_addr[ch] +
+ (paddr - card->dma_start_vaddr[ch]);
+};
+
+
+/*
+ * increment ring buffer pointer.
+ * NOTE: caller must hold write spinlock
+ */
+static void snd_ps3_bump_buffer(struct snd_ps3_card_info *card,
+ enum snd_ps3_ch ch, size_t byte_count,
+ int stage)
+{
+ if (!stage)
+ card->dma_last_transfer_vaddr[ch] =
+ card->dma_next_transfer_vaddr[ch];
+ card->dma_next_transfer_vaddr[ch] += byte_count;
+ if ((card->dma_start_vaddr[ch] + (card->dma_buffer_size / 2)) <=
+ card->dma_next_transfer_vaddr[ch]) {
+ card->dma_next_transfer_vaddr[ch] = card->dma_start_vaddr[ch];
+ }
+}
+/*
+ * setup dmac to send data to audio and attenuate samples on the ring buffer
+ */
+static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
+ enum snd_ps3_dma_filltype filltype)
+{
+ /* this dmac does not support over 4G */
+ uint32_t dma_addr;
+ int fill_stages, dma_ch, stage;
+ enum snd_ps3_ch ch;
+ uint32_t ch0_kick_event = 0; /* initialize to mute gcc */
+ void *start_vaddr;
+ unsigned long irqsave;
+ int silent = 0;
+
+ switch (filltype) {
+ case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL:
+ silent = 1;
+ /* intentionally fall thru */
+ case SND_PS3_DMA_FILLTYPE_FIRSTFILL:
+ ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS;
+ break;
+
+ case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING:
+ silent = 1;
+ /* intentionally fall thru */
+ case SND_PS3_DMA_FILLTYPE_RUNNING:
+ ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY;
+ break;
+ }
+
+ snd_ps3_verify_dma_stop(card, 700, 0);
+ fill_stages = 4;
+ spin_lock_irqsave(&card->dma_lock, irqsave);
+ for (ch = 0; ch < 2; ch++) {
+ start_vaddr = card->dma_next_transfer_vaddr[0];
+ for (stage = 0; stage < fill_stages; stage ++) {
+ dma_ch = stage * 2 + ch;
+ if (silent)
+ dma_addr = card->null_buffer_start_dma_addr;
+ else
+ dma_addr =
+ v_to_bus(card,
+ card->dma_next_transfer_vaddr[ch],
+ ch);
+
+ write_reg(PS3_AUDIO_SOURCE(dma_ch),
+ (PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY |
+ dma_addr));
+
+ /* dst: fixed to 3wire#0 */
+ if (ch == 0)
+ write_reg(PS3_AUDIO_DEST(dma_ch),
+ (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
+ PS3_AUDIO_AO_3W_LDATA(0)));
+ else
+ write_reg(PS3_AUDIO_DEST(dma_ch),
+ (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
+ PS3_AUDIO_AO_3W_RDATA(0)));
+
+ /* count always 1 DMA block (1/2 stage = 128 bytes) */
+ write_reg(PS3_AUDIO_DMASIZE(dma_ch), 0);
+ /* bump pointer if needed */
+ if (!silent)
+ snd_ps3_bump_buffer(card, ch,
+ PS3_AUDIO_DMAC_BLOCK_SIZE,
+ stage);
+
+ /* kick event */
+ if (dma_ch == 0)
+ write_reg(PS3_AUDIO_KICK(dma_ch),
+ ch0_kick_event);
+ else
+ write_reg(PS3_AUDIO_KICK(dma_ch),
+ PS3_AUDIO_KICK_EVENT_AUDIO_DMA(dma_ch
+ - 1) |
+ PS3_AUDIO_KICK_REQUEST);
+ }
+ }
+ /* ensure the hardware sees the change */
+ wmb();
+ spin_unlock_irqrestore(&card->dma_lock, irqsave);
+
+ return 0;
+}
+
+/*
+ * audio mute on/off
+ * mute_on : 0 output enabled
+ * 1 mute
+ */
+static int snd_ps3_mute(int mute_on)
+{
+ return ps3av_audio_mute(mute_on);
+}
+
+/*
+ * PCM operators
+ */
+static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
+ int pcm_index;
+
+ pcm_index = substream->pcm->device;
+ /* to retrieve substream/runtime in interrupt handler */
+ card->substream = substream;
+
+ runtime->hw = snd_ps3_pcm_hw;
+
+ card->start_delay = snd_ps3_start_delay;
+
+ /* mute off */
+ snd_ps3_mute(0); /* this function sleep */
+
+ snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
+ PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2);
+ return 0;
+};
+
+static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ size_t size;
+
+ /* alloc transport buffer */
+ size = params_buffer_bytes(hw_params);
+ snd_pcm_lib_malloc_pages(substream, size);
+ return 0;
+};
+
+static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
+ unsigned int delay_ms)
+{
+ int ret;
+ int rate ;
+
+ rate = substream->runtime->rate;
+ ret = snd_pcm_format_size(substream->runtime->format,
+ rate * delay_ms / 1000)
+ * substream->runtime->channels;
+
+ pr_debug(KERN_ERR "%s: time=%d rate=%d bytes=%ld, frames=%d, ret=%d\n",
+ __func__,
+ delay_ms,
+ rate,
+ snd_pcm_format_size(substream->runtime->format, rate),
+ rate * delay_ms / 1000,
+ ret);
+
+ return ret;
+};
+
+static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
+ unsigned long irqsave;
+
+ if (!snd_ps3_set_avsetting(substream)) {
+ /* some parameter changed */
+ write_reg(PS3_AUDIO_AX_IE,
+ PS3_AUDIO_AX_IE_ASOBEIE(0) |
+ PS3_AUDIO_AX_IE_ASOBUIE(0));
+ /*
+ * let SPDIF device re-lock with SPDIF signal,
+ * start with some silence
+ */
+ card->silent = snd_ps3_delay_to_bytes(substream,
+ card->start_delay) /
+ (PS3_AUDIO_FIFO_STAGE_SIZE * 4); /* every 4 times */
+ }
+
+ /* restart ring buffer pointer */
+ spin_lock_irqsave(&card->dma_lock, irqsave);
+ {
+ card->dma_buffer_size = runtime->dma_bytes;
+
+ card->dma_last_transfer_vaddr[SND_PS3_CH_L] =
+ card->dma_next_transfer_vaddr[SND_PS3_CH_L] =
+ card->dma_start_vaddr[SND_PS3_CH_L] =
+ 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=%#lx\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;
+
+ 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;
+
+ 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;
+ }
+
+ if ((card->avs.avs_audio_width != avs.avs_audio_width) ||
+ (card->avs.avs_audio_rate != avs.avs_audio_rate)) {
+ card->avs = avs;
+ snd_ps3_change_avsetting(card);
+
+ pr_debug("%s: after freq=%d width=%d\n", __func__,
+ card->avs.avs_audio_rate, card->avs.avs_audio_width);
+
+ return 0;
+ } else
+ return 1;
+}
+
+
+
+static int snd_ps3_map_mmio(void)
+{
+ the_card.mapped_mmio_vaddr =
+ ioremap(the_card.ps3_dev->m_region->bus_addr,
+ the_card.ps3_dev->m_region->len);
+
+ if (!the_card.mapped_mmio_vaddr) {
+ pr_info("%s: ioremap 0 failed p=%#lx l=%#lx \n",
+ __func__, the_card.ps3_dev->m_region->lpar_addr,
+ the_card.ps3_dev->m_region->len);
+ return -ENXIO;
+ }
+
+ return 0;
+};
+
+static void snd_ps3_unmap_mmio(void)
+{
+ iounmap(the_card.mapped_mmio_vaddr);
+ the_card.mapped_mmio_vaddr = NULL;
+}
+
+static int snd_ps3_allocate_irq(void)
+{
+ int ret;
+ u64 lpar_addr, lpar_size;
+ u64 __iomem *mapped;
+
+ /* FIXME: move this to device_init (H/W probe) */
+
+ /* get irq outlet */
+ ret = lv1_gpu_device_map(1, &lpar_addr, &lpar_size);
+ if (ret) {
+ pr_info("%s: device map 1 failed %d\n", __func__,
+ ret);
+ return -ENXIO;
+ }
+
+ mapped = ioremap(lpar_addr, lpar_size);
+ if (!mapped) {
+ pr_info("%s: ioremap 1 failed \n", __func__);
+ return -ENXIO;
+ }
+
+ the_card.audio_irq_outlet = in_be64(mapped);
+
+ iounmap(mapped);
+ ret = lv1_gpu_device_unmap(1);
+ if (ret)
+ pr_info("%s: unmap 1 failed\n", __func__);
+
+ /* irq */
+ ret = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY,
+ the_card.audio_irq_outlet,
+ &the_card.irq_no);
+ if (ret) {
+ pr_info("%s:ps3_alloc_irq failed (%d)\n", __func__, ret);
+ return ret;
+ }
+
+ ret = request_irq(the_card.irq_no, snd_ps3_interrupt, IRQF_DISABLED,
+ SND_PS3_DRIVER_NAME, &the_card);
+ if (ret) {
+ pr_info("%s: request_irq failed (%d)\n", __func__, ret);
+ goto cleanup_irq;
+ }
+
+ return 0;
+
+ cleanup_irq:
+ ps3_irq_plug_destroy(the_card.irq_no);
+ return ret;
+};
+
+static void snd_ps3_free_irq(void)
+{
+ free_irq(the_card.irq_no, &the_card);
+ ps3_irq_plug_destroy(the_card.irq_no);
+}
+
+static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
+{
+ uint64_t val;
+ int ret;
+
+ val = (ioaddr_start & (0x0fUL << 32)) >> (32 - 20) |
+ (0x03UL << 24) |
+ (0x0fUL << 12) |
+ (PS3_AUDIO_IOID);
+
+ ret = lv1_gpu_attribute(0x100, 0x007, val, 0, 0);
+ if (ret)
+ pr_info("%s: gpu_attribute failed %d\n", __func__,
+ ret);
+}
+
+static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
+{
+ int ret;
+ u64 lpar_addr, lpar_size;
+
+ BUG_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1));
+ BUG_ON(dev->match_id != PS3_MATCH_ID_SOUND);
+
+ the_card.ps3_dev = dev;
+
+ ret = ps3_open_hv_device(dev);
+
+ if (ret)
+ return -ENXIO;
+
+ /* setup MMIO */
+ ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size);
+ if (ret) {
+ pr_info("%s: device map 2 failed %d\n", __func__, ret);
+ goto clean_open;
+ }
+ ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size,
+ PAGE_SHIFT);
+
+ ret = snd_ps3_map_mmio();
+ if (ret)
+ goto clean_dev_map;
+
+ /* setup DMA area */
+ ps3_dma_region_init(dev, dev->d_region,
+ PAGE_SHIFT, /* use system page size */
+ 0, /* dma type; not used */
+ NULL,
+ _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
+ dev->d_region->ioid = PS3_AUDIO_IOID;
+
+ ret = ps3_dma_region_create(dev->d_region);
+ if (ret) {
+ pr_info("%s: region_create\n", __func__);
+ goto clean_mmio;
+ }
+
+ snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);
+
+ /* CONFIG_SND_PS3_DEFAULT_START_DELAY */
+ the_card.start_delay = snd_ps3_start_delay;
+
+ /* irq */
+ if (snd_ps3_allocate_irq()) {
+ ret = -ENXIO;
+ goto clean_dma_region;
+ }
+
+ /* create card instance */
+ the_card.card = snd_card_new(index, id, THIS_MODULE, 0);
+ if (!the_card.card) {
+ ret = -ENXIO;
+ goto clean_irq;
+ }
+
+ strcpy(the_card.card->driver, "PS3");
+ strcpy(the_card.card->shortname, "PS3");
+ strcpy(the_card.card->longname, "PS3 sound");
+ /* create PCM devices instance */
+ /* NOTE:this driver works assuming pcm:substream = 1:1 */
+ ret = snd_pcm_new(the_card.card,
+ "SPDIF",
+ 0, /* instance index, will be stored pcm.device*/
+ 1, /* output substream */
+ 0, /* input substream */
+ &(the_card.pcm));
+ if (ret)
+ goto clean_card;
+
+ the_card.pcm->private_data = &the_card;
+ strcpy(the_card.pcm->name, "SPDIF");
+
+ /* set pcm ops */
+ snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_ps3_pcm_spdif_ops);
+
+ the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
+ /* pre-alloc PCM DMA buffer*/
+ ret = snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
+ SNDRV_DMA_TYPE_DEV,
+ &dev->core,
+ SND_PS3_PCM_PREALLOC_SIZE,
+ SND_PS3_PCM_PREALLOC_SIZE);
+ if (ret < 0) {
+ pr_info("%s: prealloc failed\n", __func__);
+ goto clean_card;
+ }
+
+ /*
+ * allocate null buffer
+ * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2
+ * PAGE_SIZE is enogh
+ */
+ if (!(the_card.null_buffer_start_vaddr =
+ dma_alloc_coherent(&the_card.ps3_dev->core,
+ PAGE_SIZE,
+ &the_card.null_buffer_start_dma_addr,
+ GFP_KERNEL))) {
+ pr_info("%s: nullbuffer alloc failed\n", __func__);
+ goto clean_preallocate;
+ }
+ pr_debug("%s: null vaddr=%p dma=%#lx\n", __func__,
+ the_card.null_buffer_start_vaddr,
+ the_card.null_buffer_start_dma_addr);
+ /* set default sample rate/word width */
+ snd_ps3_init_avsetting(&the_card);
+
+ /* register the card */
+ ret = snd_card_register(the_card.card);
+ if (ret < 0)
+ goto clean_dma_map;
+
+ pr_info("%s started. start_delay=%dms\n",
+ the_card.card->longname, the_card.start_delay);
+ return 0;
+
+clean_dma_map:
+ dma_free_coherent(&the_card.ps3_dev->core,
+ PAGE_SIZE,
+ the_card.null_buffer_start_vaddr,
+ the_card.null_buffer_start_dma_addr);
+clean_preallocate:
+ snd_pcm_lib_preallocate_free_for_all(the_card.pcm);
+clean_card:
+ snd_card_free(the_card.card);
+clean_irq:
+ snd_ps3_free_irq();
+clean_dma_region:
+ ps3_dma_region_free(dev->d_region);
+clean_mmio:
+ snd_ps3_unmap_mmio();
+clean_dev_map:
+ lv1_gpu_device_unmap(2);
+clean_open:
+ ps3_close_hv_device(dev);
+ /*
+ * there is no destructor function to pcm.
+ * midlayer automatically releases if the card removed
+ */
+ return ret;
+}; /* snd_ps3_probe */
+
+/* called when module removal */
+static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev)
+{
+ int ret;
+ pr_info("%s:start id=%d\n", __func__, dev->match_id);
+ if (dev->match_id != PS3_MATCH_ID_SOUND)
+ return -ENXIO;
+
+ /*
+ * ctl and preallocate buffer will be freed in
+ * snd_card_free
+ */
+ ret = snd_card_free(the_card.card);
+ if (ret)
+ pr_info("%s: ctl freecard=%d\n", __func__, ret);
+
+ dma_free_coherent(&dev->core,
+ PAGE_SIZE,
+ the_card.null_buffer_start_vaddr,
+ the_card.null_buffer_start_dma_addr);
+
+ ps3_dma_region_free(dev->d_region);
+
+ snd_ps3_free_irq();
+ snd_ps3_unmap_mmio();
+
+ lv1_gpu_device_unmap(2);
+ ps3_close_hv_device(dev);
+ pr_info("%s:end id=%d\n", __func__, dev->match_id);
+ return 0;
+} /* snd_ps3_remove */
+
+static struct ps3_system_bus_driver snd_ps3_bus_driver_info = {
+ .match_id = PS3_MATCH_ID_SOUND,
+ .probe = snd_ps3_driver_probe,
+ .remove = snd_ps3_driver_remove,
+ .shutdown = snd_ps3_driver_remove,
+ .core = {
+ .name = SND_PS3_DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+
+/*
+ * 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
+ */
+static int __init snd_ps3_init(void)
+{
+ int ret;
+
+ if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+ return -ENXIO;
+
+ memset(&the_card, 0, sizeof(the_card));
+ spin_lock_init(&the_card.dma_lock);
+
+ /* register systembus DRIVER, this calls our probe() func */
+ ret = ps3_system_bus_driver_register(&snd_ps3_bus_driver_info);
+
+ return ret;
+}
+
+static void __exit snd_ps3_exit(void)
+{
+ ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info);
+}
+
+MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND);
diff --git a/sound/ppc/snd_ps3.h b/sound/ppc/snd_ps3.h
new file mode 100644
index 0000000..4b7e6fb
--- /dev/null
+++ b/sound/ppc/snd_ps3.h
@@ -0,0 +1,135 @@
+/*
+ * Audio support for PS3
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * All rights reserved.
+ * Copyright 2006, 2007 Sony Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the Licence.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#if !defined(_SND_PS3_H_)
+#define _SND_PS3_H_
+
+#include <linux/irqreturn.h>
+
+#define SND_PS3_DRIVER_NAME "snd_ps3"
+
+enum snd_ps3_out_channel {
+ SND_PS3_OUT_SPDIF_0,
+ SND_PS3_OUT_SPDIF_1,
+ SND_PS3_OUT_SERIAL_0,
+ SND_PS3_OUT_DEVS
+};
+
+enum snd_ps3_dma_filltype {
+ SND_PS3_DMA_FILLTYPE_FIRSTFILL,
+ SND_PS3_DMA_FILLTYPE_RUNNING,
+ SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL,
+ SND_PS3_DMA_FILLTYPE_SILENT_RUNNING
+};
+
+enum snd_ps3_ch {
+ SND_PS3_CH_L = 0,
+ SND_PS3_CH_R = 1,
+ SND_PS3_CH_MAX = 2
+};
+
+struct snd_ps3_avsetting_info {
+ uint32_t avs_audio_ch; /* fixed */
+ uint32_t avs_audio_rate;
+ uint32_t avs_audio_width;
+ uint32_t avs_audio_format; /* fixed */
+ uint32_t avs_audio_source; /* fixed */
+};
+/*
+ * PS3 audio 'card' instance
+ * there should be only ONE hardware.
+ */
+struct snd_ps3_card_info {
+ struct ps3_system_bus_device *ps3_dev;
+ struct snd_card *card;
+
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *substream;
+
+ /* hvc info */
+ u64 audio_lpar_addr;
+ u64 audio_lpar_size;
+
+ /* registers */
+ void __iomem *mapped_mmio_vaddr;
+
+ /* irq */
+ u64 audio_irq_outlet;
+ unsigned int irq_no;
+
+ /* remember avsetting */
+ struct snd_ps3_avsetting_info avs;
+
+ /* dma buffer management */
+ spinlock_t dma_lock;
+ /* dma_lock start */
+ void * dma_start_vaddr[2]; /* 0 for L, 1 for R */
+ dma_addr_t dma_start_bus_addr[2];
+ size_t dma_buffer_size;
+ void * dma_last_transfer_vaddr[2];
+ void * dma_next_transfer_vaddr[2];
+ int silent;
+ /* dma_lock end */
+
+ int running;
+
+ /* null buffer */
+ void *null_buffer_start_vaddr;
+ dma_addr_t null_buffer_start_dma_addr;
+
+ /* start delay */
+ unsigned int start_delay;
+
+};
+
+
+/* PS3 audio DMAC block size in bytes */
+#define PS3_AUDIO_DMAC_BLOCK_SIZE (128)
+/* one stage (stereo) of audio FIFO in bytes */
+#define PS3_AUDIO_FIFO_STAGE_SIZE (256)
+/* how many stages the fifo have */
+#define PS3_AUDIO_FIFO_STAGE_COUNT (8)
+/* fifo size 128 bytes * 8 stages * stereo (2ch) */
+#define PS3_AUDIO_FIFO_SIZE \
+ (PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT)
+
+/* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/
+#define PS3_AUDIO_DMAC_MAX_BLOCKS (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1)
+
+#define PS3_AUDIO_NORMAL_DMA_START_CH (0)
+#define PS3_AUDIO_NORMAL_DMA_COUNT (8)
+#define PS3_AUDIO_NULL_DMA_START_CH \
+ (PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT)
+#define PS3_AUDIO_NULL_DMA_COUNT (2)
+
+#define SND_PS3_MAX_VOL (0x0F)
+#define SND_PS3_MIN_VOL (0x00)
+#define SND_PS3_MIN_ATT SND_PS3_MIN_VOL
+#define SND_PS3_MAX_ATT SND_PS3_MAX_VOL
+
+#define SND_PS3_PCM_PREALLOC_SIZE \
+ (PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4)
+
+#define SND_PS3_DMA_REGION_SIZE \
+ (SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE)
+
+#define PS3_AUDIO_IOID (1UL)
+
+#endif /* _SND_PS3_H_ */
diff --git a/sound/ppc/snd_ps3_reg.h b/sound/ppc/snd_ps3_reg.h
new file mode 100644
index 0000000..03fdee4
--- /dev/null
+++ b/sound/ppc/snd_ps3_reg.h
@@ -0,0 +1,891 @@
+/*
+ * Audio support for PS3
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * Copyright 2006, 2007 Sony Corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * interrupt / configure registers
+ */
+
+#define PS3_AUDIO_INTR_0 (0x00000100)
+#define PS3_AUDIO_INTR_EN_0 (0x00000140)
+#define PS3_AUDIO_CONFIG (0x00000200)
+
+/*
+ * DMAC registers
+ * n:0..9
+ */
+#define PS3_AUDIO_DMAC_REGBASE(x) (0x0000210 + 0x20 * (x))
+
+#define PS3_AUDIO_KICK(n) (PS3_AUDIO_DMAC_REGBASE(n) + 0x00)
+#define PS3_AUDIO_SOURCE(n) (PS3_AUDIO_DMAC_REGBASE(n) + 0x04)
+#define PS3_AUDIO_DEST(n) (PS3_AUDIO_DMAC_REGBASE(n) + 0x08)
+#define PS3_AUDIO_DMASIZE(n) (PS3_AUDIO_DMAC_REGBASE(n) + 0x0C)
+
+/*
+ * mute control
+ */
+#define PS3_AUDIO_AX_MCTRL (0x00004000)
+#define PS3_AUDIO_AX_ISBP (0x00004004)
+#define PS3_AUDIO_AX_AOBP (0x00004008)
+#define PS3_AUDIO_AX_IC (0x00004010)
+#define PS3_AUDIO_AX_IE (0x00004014)
+#define PS3_AUDIO_AX_IS (0x00004018)
+
+/*
+ * three wire serial
+ * n:0..3
+ */
+#define PS3_AUDIO_AO_MCTRL (0x00006000)
+#define PS3_AUDIO_AO_3WMCTRL (0x00006004)
+
+#define PS3_AUDIO_AO_3WCTRL(n) (0x00006200 + 0x200 * (n))
+
+/*
+ * S/PDIF
+ * n:0..1
+ * x:0..11
+ * y:0..5
+ */
+#define PS3_AUDIO_AO_SPD_REGBASE(n) (0x00007200 + 0x200 * (n))
+
+#define PS3_AUDIO_AO_SPDCTRL(n) \
+ (PS3_AUDIO_AO_SPD_REGBASE(n) + 0x00)
+#define PS3_AUDIO_AO_SPDUB(n, x) \
+ (PS3_AUDIO_AO_SPD_REGBASE(n) + 0x04 + 0x04 * (x))
+#define PS3_AUDIO_AO_SPDCS(n, y) \
+ (PS3_AUDIO_AO_SPD_REGBASE(n) + 0x34 + 0x04 * (y))
+
+
+/*
+ PS3_AUDIO_INTR_0 register tells an interrupt handler which audio
+ DMA channel triggered the interrupt. The interrupt status for a channel
+ can be cleared by writing a '1' to the corresponding bit. A new interrupt
+ cannot be generated until the previous interrupt has been cleared.
+
+ Note that the status reported by PS3_AUDIO_INTR_0 is independent of the
+ value of PS3_AUDIO_INTR_EN_0.
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0 0 0 0 0 0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C| INTR_0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+#define PS3_AUDIO_INTR_0_CHAN(n) (1 << ((n) * 2))
+#define PS3_AUDIO_INTR_0_CHAN9 PS3_AUDIO_INTR_0_CHAN(9)
+#define PS3_AUDIO_INTR_0_CHAN8 PS3_AUDIO_INTR_0_CHAN(8)
+#define PS3_AUDIO_INTR_0_CHAN7 PS3_AUDIO_INTR_0_CHAN(7)
+#define PS3_AUDIO_INTR_0_CHAN6 PS3_AUDIO_INTR_0_CHAN(6)
+#define PS3_AUDIO_INTR_0_CHAN5 PS3_AUDIO_INTR_0_CHAN(5)
+#define PS3_AUDIO_INTR_0_CHAN4 PS3_AUDIO_INTR_0_CHAN(4)
+#define PS3_AUDIO_INTR_0_CHAN3 PS3_AUDIO_INTR_0_CHAN(3)
+#define PS3_AUDIO_INTR_0_CHAN2 PS3_AUDIO_INTR_0_CHAN(2)
+#define PS3_AUDIO_INTR_0_CHAN1 PS3_AUDIO_INTR_0_CHAN(1)
+#define PS3_AUDIO_INTR_0_CHAN0 PS3_AUDIO_INTR_0_CHAN(0)
+
+/*
+ The PS3_AUDIO_INTR_EN_0 register specifies which DMA channels can generate
+ an interrupt to the PU. Each bit of PS3_AUDIO_INTR_EN_0 is ANDed with the
+ corresponding bit in PS3_AUDIO_INTR_0. The resulting bits are OR'd together
+ to generate the Audio interrupt.
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0 0 0 0 0 0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C|0|C| INTR_EN_0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+ Bit assignments are same as PS3_AUDIO_INTR_0
+*/
+
+/*
+ PS3_AUDIO_CONFIG
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0|0 0 0 0 0 0 0 0|0 0 0 0 0 0 0 C|0 0 0 0 0 0 0 0| CONFIG
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+*/
+
+/* The CLEAR field cancels all pending transfers, and stops any running DMA
+ transfers. Any interrupts associated with the canceled transfers
+ will occur as if the transfer had finished.
+ Since this bit is designed to recover from DMA related issues
+ which are caused by unpredictable situations, it is prefered to wait
+ for normal DMA transfer end without using this bit.
+*/
+#define PS3_AUDIO_CONFIG_CLEAR (1 << 8) /* RWIVF */
+
+/*
+ PS3_AUDIO_AX_MCTRL: Audio Port Mute Control Register
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0|A|A|A|0 0 0 0 0 0 0|S|S|A|A|A|A| AX_MCTRL
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+/* 3 Wire Audio Serial Output Channel Mutes (0..3) */
+#define PS3_AUDIO_AX_MCTRL_ASOMT(n) (1 << (3 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_ASO3MT (1 << 0) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_ASO2MT (1 << 1) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_ASO1MT (1 << 2) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_ASO0MT (1 << 3) /* RWIVF */
+
+/* S/PDIF mutes (0,1)*/
+#define PS3_AUDIO_AX_MCTRL_SPOMT(n) (1 << (5 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_SPO1MT (1 << 4) /* RWIVF */
+#define PS3_AUDIO_AX_MCTRL_SPO0MT (1 << 5) /* RWIVF */
+
+/* All 3 Wire Serial Outputs Mute */
+#define PS3_AUDIO_AX_MCTRL_AASOMT (1 << 13) /* RWIVF */
+
+/* All S/PDIF Mute */
+#define PS3_AUDIO_AX_MCTRL_ASPOMT (1 << 14) /* RWIVF */
+
+/* All Audio Outputs Mute */
+#define PS3_AUDIO_AX_MCTRL_AAOMT (1 << 15) /* RWIVF */
+
+/*
+ S/PDIF Outputs Buffer Read/Write Pointer Register
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0|0|SPO0B|0|SPO1B|0 0 0 0 0 0 0 0|0|SPO0B|0|SPO1B| AX_ISBP
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+*/
+/*
+ S/PDIF Output Channel Read Buffer Numbers
+ Buffer number is value of field.
+ Indicates current read access buffer ID from Audio Data
+ Transfer controller of S/PDIF Output
+*/
+
+#define PS3_AUDIO_AX_ISBP_SPOBRN_MASK(n) (0x7 << 4 * (1 - (n))) /* R-IUF */
+#define PS3_AUDIO_AX_ISBP_SPO1BRN_MASK (0x7 << 0) /* R-IUF */
+#define PS3_AUDIO_AX_ISBP_SPO0BRN_MASK (0x7 << 4) /* R-IUF */
+
+/*
+S/PDIF Output Channel Buffer Write Numbers
+Indicates current write access buffer ID from bus master.
+*/
+#define PS3_AUDIO_AX_ISBP_SPOBWN_MASK(n) (0x7 << 4 * (5 - (n))) /* R-IUF */
+#define PS3_AUDIO_AX_ISBP_SPO1BWN_MASK (0x7 << 16) /* R-IUF */
+#define PS3_AUDIO_AX_ISBP_SPO0BWN_MASK (0x7 << 20) /* R-IUF */
+
+/*
+ 3 Wire Audio Serial Outputs Buffer Read/Write
+ Pointer Register
+ Buffer number is value of field
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0|ASO0B|0|ASO1B|0|ASO2B|0|ASO3B|0|ASO0B|0|ASO1B|0|ASO2B|0|ASO3B| AX_AOBP
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+/*
+3 Wire Audio Serial Output Channel Buffer Read Numbers
+Indicates current read access buffer Id from Audio Data Transfer
+Controller of 3 Wire Audio Serial Output Channels
+*/
+#define PS3_AUDIO_AX_AOBP_ASOBRN_MASK(n) (0x7 << 4 * (3 - (n))) /* R-IUF */
+
+#define PS3_AUDIO_AX_AOBP_ASO3BRN_MASK (0x7 << 0) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO2BRN_MASK (0x7 << 4) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO1BRN_MASK (0x7 << 8) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO0BRN_MASK (0x7 << 12) /* R-IUF */
+
+/*
+3 Wire Audio Serial Output Channel Buffer Write Numbers
+Indicates current write access buffer ID from bus master.
+*/
+#define PS3_AUDIO_AX_AOBP_ASOBWN_MASK(n) (0x7 << 4 * (7 - (n))) /* R-IUF */
+
+#define PS3_AUDIO_AX_AOBP_ASO3BWN_MASK (0x7 << 16) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO2BWN_MASK (0x7 << 20) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO1BWN_MASK (0x7 << 24) /* R-IUF */
+#define PS3_AUDIO_AX_AOBP_ASO0BWN_MASK (0x7 << 28) /* R-IUF */
+
+
+
+/*
+Audio Port Interrupt Condition Register
+For the fields in this register, the following values apply:
+0 = Interrupt is generated every interrupt event.
+1 = Interrupt is generated every 2 interrupt events.
+2 = Interrupt is generated every 4 interrupt events.
+3 = Reserved
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0|0 0|SPO|0 0|SPO|0 0|AAS|0 0 0 0 0 0 0 0 0 0 0 0| AX_IC
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+/*
+All 3-Wire Audio Serial Outputs Interrupt Mode
+Configures the Interrupt and Signal Notification
+condition of all 3-wire Audio Serial Outputs.
+*/
+#define PS3_AUDIO_AX_IC_AASOIMD_MASK (0x3 << 12) /* RWIVF */
+#define PS3_AUDIO_AX_IC_AASOIMD_EVERY1 (0x0 << 12) /* RWI-V */
+#define PS3_AUDIO_AX_IC_AASOIMD_EVERY2 (0x1 << 12) /* RW--V */
+#define PS3_AUDIO_AX_IC_AASOIMD_EVERY4 (0x2 << 12) /* RW--V */
+
+/*
+S/PDIF Output Channel Interrupt Modes
+Configures the Interrupt and signal Notification
+conditions of S/PDIF output channels.
+*/
+#define PS3_AUDIO_AX_IC_SPO1IMD_MASK (0x3 << 16) /* RWIVF */
+#define PS3_AUDIO_AX_IC_SPO1IMD_EVERY1 (0x0 << 16) /* RWI-V */
+#define PS3_AUDIO_AX_IC_SPO1IMD_EVERY2 (0x1 << 16) /* RW--V */
+#define PS3_AUDIO_AX_IC_SPO1IMD_EVERY4 (0x2 << 16) /* RW--V */
+
+#define PS3_AUDIO_AX_IC_SPO0IMD_MASK (0x3 << 20) /* RWIVF */
+#define PS3_AUDIO_AX_IC_SPO0IMD_EVERY1 (0x0 << 20) /* RWI-V */
+#define PS3_AUDIO_AX_IC_SPO0IMD_EVERY2 (0x1 << 20) /* RW--V */
+#define PS3_AUDIO_AX_IC_SPO0IMD_EVERY4 (0x2 << 20) /* RW--V */
+
+/*
+Audio Port interrupt Enable Register
+Configures whether to enable or disable each Interrupt Generation.
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0|S|S|0 0|A|A|A|A|0 0 0 0|S|S|0 0|S|S|0 0|A|A|A|A| AX_IE
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+*/
+
+/*
+3 Wire Audio Serial Output Channel Buffer Underflow
+Interrupt Enables
+Select enable/disable of Buffer Underflow Interrupts for
+3-Wire Audio Serial Output Channels
+DISABLED=Interrupt generation disabled.
+*/
+#define PS3_AUDIO_AX_IE_ASOBUIE(n) (1 << (3 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO3BUIE (1 << 0) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO2BUIE (1 << 1) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO1BUIE (1 << 2) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO0BUIE (1 << 3) /* RWIVF */
+
+/* S/PDIF Output Channel Buffer Underflow Interrupt Enables */
+
+#define PS3_AUDIO_AX_IE_SPOBUIE(n) (1 << (7 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO1BUIE (1 << 6) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO0BUIE (1 << 7) /* RWIVF */
+
+/* S/PDIF Output Channel One Block Transfer Completion Interrupt Enables */
+
+#define PS3_AUDIO_AX_IE_SPOBTCIE(n) (1 << (11 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO1BTCIE (1 << 10) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO0BTCIE (1 << 11) /* RWIVF */
+
+/* 3-Wire Audio Serial Output Channel Buffer Empty Interrupt Enables */
+
+#define PS3_AUDIO_AX_IE_ASOBEIE(n) (1 << (19 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO3BEIE (1 << 16) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO2BEIE (1 << 17) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO1BEIE (1 << 18) /* RWIVF */
+#define PS3_AUDIO_AX_IE_ASO0BEIE (1 << 19) /* RWIVF */
+
+/* S/PDIF Output Channel Buffer Empty Interrupt Enables */
+
+#define PS3_AUDIO_AX_IE_SPOBEIE(n) (1 << (23 - (n))) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO1BEIE (1 << 22) /* RWIVF */
+#define PS3_AUDIO_AX_IE_SPO0BEIE (1 << 23) /* RWIVF */
+
+/*
+Audio Port Interrupt Status Register
+Indicates Interrupt status, which interrupt has occured, and can clear
+each interrupt in this register.
+Writing 1b to a field containing 1b clears field and de-asserts interrupt.
+Writing 0b to a field has no effect.
+Field vaules are the following:
+0 - Interrupt hasn't occured.
+1 - Interrupt has occured.
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0|S|S|0 0|A|A|A|A|0 0 0 0|S|S|0 0|S|S|0 0|A|A|A|A| AX_IS
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+ Bit assignment are same as AX_IE
+*/
+
+/*
+Audio Output Master Control Register
+Configures Master Clock and other master Audio Output Settings
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0|SCKSE|0|SCKSE| MR0 | MR1 |MCL|MCL|0 0 0 0|0 0 0 0 0 0 0 0| AO_MCTRL
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+/*
+MCLK Output Control
+Controls mclko[1] output.
+0 - Disable output (fixed at High)
+1 - Output clock produced by clock selected
+with scksel1 by mr1
+2 - Reserved
+3 - Reserved
+*/
+
+#define PS3_AUDIO_AO_MCTRL_MCLKC1_MASK (0x3 << 12) /* RWIVF */
+#define PS3_AUDIO_AO_MCTRL_MCLKC1_DISABLED (0x0 << 12) /* RWI-V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC1_ENABLED (0x1 << 12) /* RW--V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC1_RESVD2 (0x2 << 12) /* RW--V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC1_RESVD3 (0x3 << 12) /* RW--V */
+
+/*
+MCLK Output Control
+Controls mclko[0] output.
+0 - Disable output (fixed at High)
+1 - Output clock produced by clock selected
+with SCKSEL0 by MR0
+2 - Reserved
+3 - Reserved
+*/
+#define PS3_AUDIO_AO_MCTRL_MCLKC0_MASK (0x3 << 14) /* RWIVF */
+#define PS3_AUDIO_AO_MCTRL_MCLKC0_DISABLED (0x0 << 14) /* RWI-V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC0_ENABLED (0x1 << 14) /* RW--V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC0_RESVD2 (0x2 << 14) /* RW--V */
+#define PS3_AUDIO_AO_MCTRL_MCLKC0_RESVD3 (0x3 << 14) /* RW--V */
+/*
+Master Clock Rate 1
+Sets the divide ration of Master Clock1 (clock output from
+mclko[1] for the input clock selected by scksel1.
+*/
+#define PS3_AUDIO_AO_MCTRL_MR1_MASK (0xf << 16)
+#define PS3_AUDIO_AO_MCTRL_MR1_DEFAULT (0x0 << 16) /* RWI-V */
+/*
+Master Clock Rate 0
+Sets the divide ratio of Master Clock0 (clock output from
+mclko[0] for the input clock selected by scksel0).
+*/
+#define PS3_AUDIO_AO_MCTRL_MR0_MASK (0xf << 20) /* RWIVF */
+#define PS3_AUDIO_AO_MCTRL_MR0_DEFAULT (0x0 << 20) /* RWI-V */
+/*
+System Clock Select 0/1
+Selects the system clock to be used as Master Clock 0/1
+Input the system clock that is appropriate for the sampling
+rate.
+*/
+#define PS3_AUDIO_AO_MCTRL_SCKSEL1_MASK (0x7 << 24) /* RWIVF */
+#define PS3_AUDIO_AO_MCTRL_SCKSEL1_DEFAULT (0x2 << 24) /* RWI-V */
+
+#define PS3_AUDIO_AO_MCTRL_SCKSEL0_MASK (0x7 << 28) /* RWIVF */
+#define PS3_AUDIO_AO_MCTRL_SCKSEL0_DEFAULT (0x2 << 28) /* RWI-V */
+
+
+/*
+3-Wire Audio Output Master Control Register
+Configures clock, 3-Wire Audio Serial Output Enable, and
+other 3-Wire Audio Serial Output Master Settings
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |A|A|A|A|0 0 0|A| ASOSR |0 0 0 0|A|A|A|A|A|A|0|1|0 0 0 0 0 0 0 0| AO_3WMCTRL
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+
+/*
+LRCKO Polarity
+0 - Reserved
+1 - default
+*/
+#define PS3_AUDIO_AO_3WMCTRL_ASOPLRCK (1 << 8) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT (1 << 8) /* RW--V */
+
+/* LRCK Output Disable */
+
+#define PS3_AUDIO_AO_3WMCTRL_ASOLRCKD (1 << 10) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_ENABLED (0 << 10) /* RW--V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED (1 << 10) /* RWI-V */
+
+/* Bit Clock Output Disable */
+
+#define PS3_AUDIO_AO_3WMCTRL_ASOBCLKD (1 << 11) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_ENABLED (0 << 11) /* RW--V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED (1 << 11) /* RWI-V */
+
+/*
+3-Wire Audio Serial Output Channel 0-3 Operational
+Status. Each bit becomes 1 after each 3-Wire Audio
+Serial Output Channel N is in action by setting 1 to
+asoen.
+Each bit becomes 0 after each 3-Wire Audio Serial Output
+Channel N is out of action by setting 0 to asoen.
+*/
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN(n) (1 << (15 - (n))) /* R-IVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN_STOPPED(n) (0 << (15 - (n))) /* R-I-V */
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN_RUNNING(n) (1 << (15 - (n))) /* R---V */
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN0 \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN(0)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN0_STOPPED \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_STOPPED(0)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN0_RUNNING \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_RUNNING(0)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN1 \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN(1)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN1_STOPPED \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_STOPPED(1)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN1_RUNNING \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_RUNNING(1)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN2 \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN(2)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN2_STOPPED \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_STOPPED(2)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN2_RUNNING \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_RUNNING(2)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN3 \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN(3)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN3_STOPPED \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_STOPPED(3)
+#define PS3_AUDIO_AO_3WMCTRL_ASORUN3_RUNNING \
+ PS3_AUDIO_AO_3WMCTRL_ASORUN_RUNNING(3)
+
+/*
+Sampling Rate
+Specifies the divide ratio of the bit clock (clock output
+from bclko) used by the 3-wire Audio Output Clock, whcih
+is applied to the master clock selected by mcksel.
+Data output is synchronized with this clock.
+*/
+#define PS3_AUDIO_AO_3WMCTRL_ASOSR_MASK (0xf << 20) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOSR_DIV2 (0x1 << 20) /* RWI-V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOSR_DIV4 (0x2 << 20) /* RW--V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOSR_DIV8 (0x4 << 20) /* RW--V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOSR_DIV12 (0x6 << 20) /* RW--V */
+
+/*
+Master Clock Select
+0 - Master Clock 0
+1 - Master Clock 1
+*/
+#define PS3_AUDIO_AO_3WMCTRL_ASOMCKSEL (1 << 24) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOMCKSEL_CLK0 (0 << 24) /* RWI-V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOMCKSEL_CLK1 (1 << 24) /* RW--V */
+
+/*
+Enables and disables 4ch 3-Wire Audio Serial Output
+operation. Each Bit from 0 to 3 corresponds to an
+output channel, which means that each output channel
+can be enabled or disabled individually. When
+multiple channels are enabled at the same time, output
+operations are performed in synchronization.
+Bit 0 - Output Channel 0 (SDOUT[0])
+Bit 1 - Output Channel 1 (SDOUT[1])
+Bit 2 - Output Channel 2 (SDOUT[2])
+Bit 3 - Output Channel 3 (SDOUT[3])
+*/
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN(n) (1 << (31 - (n))) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN_DISABLED(n) (0 << (31 - (n))) /* RWI-V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN_ENABLED(n) (1 << (31 - (n))) /* RW--V */
+
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN0 \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN(0) /* RWIVF */
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN0_DISABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_DISABLED(0) /* RWI-V */
+#define PS3_AUDIO_AO_3WMCTRL_ASOEN0_ENABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_ENABLED(0) /* RW--V */
+#define PS3_AUDIO_A1_3WMCTRL_ASOEN0 \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN(1) /* RWIVF */
+#define PS3_AUDIO_A1_3WMCTRL_ASOEN0_DISABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_DISABLED(1) /* RWI-V */
+#define PS3_AUDIO_A1_3WMCTRL_ASOEN0_ENABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_ENABLED(1) /* RW--V */
+#define PS3_AUDIO_A2_3WMCTRL_ASOEN0 \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN(2) /* RWIVF */
+#define PS3_AUDIO_A2_3WMCTRL_ASOEN0_DISABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_DISABLED(2) /* RWI-V */
+#define PS3_AUDIO_A2_3WMCTRL_ASOEN0_ENABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_ENABLED(2) /* RW--V */
+#define PS3_AUDIO_A3_3WMCTRL_ASOEN0 \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN(3) /* RWIVF */
+#define PS3_AUDIO_A3_3WMCTRL_ASOEN0_DISABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_DISABLED(3) /* RWI-V */
+#define PS3_AUDIO_A3_3WMCTRL_ASOEN0_ENABLED \
+ PS3_AUDIO_AO_3WMCTRL_ASOEN_ENABLED(3) /* RW--V */
+
+/*
+3-Wire Audio Serial output Channel 0-3 Control Register
+Configures settings for 3-Wire Serial Audio Output Channel 0-3
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0 0 0 0 0 0 0 0|A|0 0 0 0|A|0|ASO|0 0 0|0|0|0|0|0| AO_3WCTRL
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+*/
+/*
+Data Bit Mode
+Specifies the number of data bits
+0 - 16 bits
+1 - reserved
+2 - 20 bits
+3 - 24 bits
+*/
+#define PS3_AUDIO_AO_3WCTRL_ASODB_MASK (0x3 << 8) /* RWIVF */
+#define PS3_AUDIO_AO_3WCTRL_ASODB_16BIT (0x0 << 8) /* RWI-V */
+#define PS3_AUDIO_AO_3WCTRL_ASODB_RESVD (0x1 << 8) /* RWI-V */
+#define PS3_AUDIO_AO_3WCTRL_ASODB_20BIT (0x2 << 8) /* RW--V */
+#define PS3_AUDIO_AO_3WCTRL_ASODB_24BIT (0x3 << 8) /* RW--V */
+/*
+Data Format Mode
+Specifies the data format where (LSB side or MSB) the data(in 20 bit
+or 24 bit resolution mode) is put in a 32 bit field.
+0 - Data put on LSB side
+1 - Data put on MSB side
+*/
+#define PS3_AUDIO_AO_3WCTRL_ASODF (1 << 11) /* RWIVF */
+#define PS3_AUDIO_AO_3WCTRL_ASODF_LSB (0 << 11) /* RWI-V */
+#define PS3_AUDIO_AO_3WCTRL_ASODF_MSB (1 << 11) /* RW--V */
+/*
+Buffer Reset
+Performs buffer reset. Writing 1 to this bit initializes the
+corresponding 3-Wire Audio Output buffers(both L and R).
+*/
+#define PS3_AUDIO_AO_3WCTRL_ASOBRST (1 << 16) /* CWIVF */
+#define PS3_AUDIO_AO_3WCTRL_ASOBRST_IDLE (0 << 16) /* -WI-V */
+#define PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET (1 << 16) /* -W--T */
+
+/*
+S/PDIF Audio Output Channel 0/1 Control Register
+Configures settings for S/PDIF Audio Output Channel 0/1.
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |S|0 0 0|S|0 0|S| SPOSR |0 0|SPO|0 0 0 0|S|0|SPO|0 0 0 0 0 0 0|S| AO_SPDCTRL
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+/*
+Buffer reset. Writing 1 to this bit initializes the
+corresponding S/PDIF output buffer pointer.
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPOBRST (1 << 0) /* CWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPOBRST_IDLE (0 << 0) /* -WI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOBRST_RESET (1 << 0) /* -W--T */
+
+/*
+Data Bit Mode
+Specifies number of data bits
+0 - 16 bits
+1 - Reserved
+2 - 20 bits
+3 - 24 bits
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPODB_MASK (0x3 << 8) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPODB_16BIT (0x0 << 8) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPODB_RESVD (0x1 << 8) /* RW--V */
+#define PS3_AUDIO_AO_SPDCTRL_SPODB_20BIT (0x2 << 8) /* RW--V */
+#define PS3_AUDIO_AO_SPDCTRL_SPODB_24BIT (0x3 << 8) /* RW--V */
+/*
+Data format Mode
+Specifies the data format, where (LSB side or MSB)
+the data(in 20 or 24 bit resolution) is put in the
+32 bit field.
+0 - LSB Side
+1 - MSB Side
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPODF (1 << 11) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPODF_LSB (0 << 11) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPODF_MSB (1 << 11) /* RW--V */
+/*
+Source Select
+Specifies the source of the S/PDIF output. When 0, output
+operation is controlled by 3wen[0] of AO_3WMCTRL register.
+The SR must have the same setting as the a0_3wmctrl reg.
+0 - 3-Wire Audio OUT Ch0 Buffer
+1 - S/PDIF buffer
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPOSS_MASK (0x3 << 16) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSS_3WEN (0x0 << 16) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSS_SPDIF (0x1 << 16) /* RW--V */
+/*
+Sampling Rate
+Specifies the divide ratio of the bit clock (clock output
+from bclko) used by the S/PDIF Output Clock, which
+is applied to the master clock selected by mcksel.
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPOSR (0xf << 20) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSR_DIV2 (0x1 << 20) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSR_DIV4 (0x2 << 20) /* RW--V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSR_DIV8 (0x4 << 20) /* RW--V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOSR_DIV12 (0x6 << 20) /* RW--V */
+/*
+Master Clock Select
+0 - Master Clock 0
+1 - Master Clock 1
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPOMCKSEL (1 << 24) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPOMCKSEL_CLK0 (0 << 24) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOMCKSEL_CLK1 (1 << 24) /* RW--V */
+
+/*
+S/PDIF Output Channel Operational Status
+This bit becomes 1 after S/PDIF Output Channel is in
+action by setting 1 to spoen. This bit becomes 0
+after S/PDIF Output Channel is out of action by setting
+0 to spoen.
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPORUN (1 << 27) /* R-IVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPORUN_STOPPED (0 << 27) /* R-I-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPORUN_RUNNING (1 << 27) /* R---V */
+
+/*
+S/PDIF Audio Output Channel Output Enable
+Enables and disables output operation. This bit is used
+only when sposs = 1
+*/
+#define PS3_AUDIO_AO_SPDCTRL_SPOEN (1 << 31) /* RWIVF */
+#define PS3_AUDIO_AO_SPDCTRL_SPOEN_DISABLED (0 << 31) /* RWI-V */
+#define PS3_AUDIO_AO_SPDCTRL_SPOEN_ENABLED (1 << 31) /* RW--V */
+
+/*
+S/PDIF Audio Output Channel Channel Status
+Setting Registers.
+Configures channel status bit settings for each block
+(192 bits).
+Output is performed from the MSB(AO_SPDCS0 register bit 31).
+The same value is added for subframes within the same frame.
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ | SPOCS | AO_SPDCS
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+
+S/PDIF Audio Output Channel User Bit Setting
+Configures user bit settings for each block (384 bits).
+Output is performed from the MSB(ao_spdub0 register bit 31).
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ | SPOUB | AO_SPDUB
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+/*****************************************************************************
+ *
+ * DMAC register
+ *
+ *****************************************************************************/
+/*
+The PS3_AUDIO_KICK register is used to initiate a DMA transfer and monitor
+its status
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0|STATU|0 0 0| EVENT |0 0 0 0 0 0 0 0 0 0 0 0 0 0 0|R| KICK
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+/*
+The REQUEST field is written to ACTIVE to initiate a DMA request when EVENT
+occurs.
+It will return to the DONE state when the request is completed.
+The registers for a DMA channel should only be written if REQUEST is IDLE.
+*/
+
+#define PS3_AUDIO_KICK_REQUEST (1 << 0) /* RWIVF */
+#define PS3_AUDIO_KICK_REQUEST_IDLE (0 << 0) /* RWI-V */
+#define PS3_AUDIO_KICK_REQUEST_ACTIVE (1 << 0) /* -W--T */
+
+/*
+ *The EVENT field is used to set the event in which
+ *the DMA request becomes active.
+ */
+#define PS3_AUDIO_KICK_EVENT_MASK (0x1f << 16) /* RWIVF */
+#define PS3_AUDIO_KICK_EVENT_ALWAYS (0x00 << 16) /* RWI-V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY (0x01 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT0_UNDERFLOW (0x02 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT1_EMPTY (0x03 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT1_UNDERFLOW (0x04 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT2_EMPTY (0x05 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT2_UNDERFLOW (0x06 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT3_EMPTY (0x07 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SERIALOUT3_UNDERFLOW (0x08 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF0_BLOCKTRANSFERCOMPLETE \
+ (0x09 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF0_UNDERFLOW (0x0A << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF0_EMPTY (0x0B << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF1_BLOCKTRANSFERCOMPLETE \
+ (0x0C << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF1_UNDERFLOW (0x0D << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_SPDIF1_EMPTY (0x0E << 16) /* RW--V */
+
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA(n) \
+ ((0x13 + (n)) << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA0 (0x13 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA1 (0x14 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA2 (0x15 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA3 (0x16 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA4 (0x17 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA5 (0x18 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA6 (0x19 << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA7 (0x1A << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA8 (0x1B << 16) /* RW--V */
+#define PS3_AUDIO_KICK_EVENT_AUDIO_DMA9 (0x1C << 16) /* RW--V */
+
+/*
+The STATUS field can be used to monitor the progress of a DMA request.
+DONE indicates the previous request has completed.
+EVENT indicates that the DMA engine is waiting for the EVENT to occur.
+PENDING indicates that the DMA engine has not started processing this
+request, but the EVENT has occured.
+DMA indicates that the data transfer is in progress.
+NOTIFY indicates that the notifier signalling end of transfer is being written.
+CLEAR indicated that the previous transfer was cleared.
+ERROR indicates the previous transfer requested an unsupported
+source/destination combination.
+*/
+
+#define PS3_AUDIO_KICK_STATUS_MASK (0x7 << 24) /* R-IVF */
+#define PS3_AUDIO_KICK_STATUS_DONE (0x0 << 24) /* R-I-V */
+#define PS3_AUDIO_KICK_STATUS_EVENT (0x1 << 24) /* R---V */
+#define PS3_AUDIO_KICK_STATUS_PENDING (0x2 << 24) /* R---V */
+#define PS3_AUDIO_KICK_STATUS_DMA (0x3 << 24) /* R---V */
+#define PS3_AUDIO_KICK_STATUS_NOTIFY (0x4 << 24) /* R---V */
+#define PS3_AUDIO_KICK_STATUS_CLEAR (0x5 << 24) /* R---V */
+#define PS3_AUDIO_KICK_STATUS_ERROR (0x6 << 24) /* R---V */
+
+/*
+The PS3_AUDIO_SOURCE register specifies the source address for transfers.
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ | START |0 0 0 0 0|TAR| SOURCE
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+/*
+The Audio DMA engine uses 128-byte transfers, thus the address must be aligned
+to a 128 byte boundary. The low seven bits are assumed to be 0.
+*/
+
+#define PS3_AUDIO_SOURCE_START_MASK (0x01FFFFFF << 7) /* RWIUF */
+
+/*
+The TARGET field specifies the memory space containing the source address.
+*/
+
+#define PS3_AUDIO_SOURCE_TARGET_MASK (3 << 0) /* RWIVF */
+#define PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY (2 << 0) /* RW--V */
+
+/*
+The PS3_AUDIO_DEST register specifies the destination address for transfers.
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ | START |0 0 0 0 0|TAR| DEST
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+/*
+The Audio DMA engine uses 128-byte transfers, thus the address must be aligned
+to a 128 byte boundary. The low seven bits are assumed to be 0.
+*/
+
+#define PS3_AUDIO_DEST_START_MASK (0x01FFFFFF << 7) /* RWIUF */
+
+/*
+The TARGET field specifies the memory space containing the destination address
+AUDIOFIFO = Audio WriteData FIFO,
+*/
+
+#define PS3_AUDIO_DEST_TARGET_MASK (3 << 0) /* RWIVF */
+#define PS3_AUDIO_DEST_TARGET_AUDIOFIFO (1 << 0) /* RW--V */
+
+/*
+PS3_AUDIO_DMASIZE specifies the number of 128-byte blocks + 1 to transfer.
+So a value of 0 means 128-bytes will get transfered.
+
+
+ 31 24 23 16 15 8 7 0
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+ |0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0| BLOCKS | DMASIZE
+ +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
+*/
+
+
+#define PS3_AUDIO_DMASIZE_BLOCKS_MASK (0x7f << 0) /* RWIUF */
+
+/*
+ * source/destination address for internal fifos
+ */
+#define PS3_AUDIO_AO_3W_LDATA(n) (0x1000 + (0x100 * (n)))
+#define PS3_AUDIO_AO_3W_RDATA(n) (0x1080 + (0x100 * (n)))
+
+#define PS3_AUDIO_AO_SPD_DATA(n) (0x2000 + (0x400 * (n)))
+
+
+/*
+ * field attiribute
+ *
+ * Read
+ * ' ' = Other Information
+ * '-' = Field is part of a write-only register
+ * 'C' = Value read is always the same, constant value line follows (C)
+ * 'R' = Value is read
+ *
+ * Write
+ * ' ' = Other Information
+ * '-' = Must not be written (D), value ignored when written (R,A,F)
+ * 'W' = Can be written
+ *
+ * Internal State
+ * ' ' = Other Information
+ * '-' = No internal state
+ * 'X' = Internal state, initial value is unknown
+ * 'I' = Internal state, initial value is known and follows (I)
+ *
+ * Declaration/Size
+ * ' ' = Other Information
+ * '-' = Does Not Apply
+ * 'V' = Type is void
+ * 'U' = Type is unsigned integer
+ * 'S' = Type is signed integer
+ * 'F' = Type is IEEE floating point
+ * '1' = Byte size (008)
+ * '2' = Short size (016)
+ * '3' = Three byte size (024)
+ * '4' = Word size (032)
+ * '8' = Double size (064)
+ *
+ * Define Indicator
+ * ' ' = Other Information
+ * 'D' = Device
+ * 'M' = Memory
+ * 'R' = Register
+ * 'A' = Array of Registers
+ * 'F' = Field
+ * 'V' = Value
+ * 'T' = Task
+ */
+