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提交 2fd53734 编写于 作者: M Mark Brown
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Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

上级 0e76ee41 cd2b6574
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Showing with 668 addition and 621 deletion
Documentation/devicetree/bindings/sound/renesas,rsnd.txt
浏览文件 @ 2fd53734
......@@ -13,6 +13,9 @@ Required properties:
- rcar_sound,src : Should contain SRC feature.
The number of SRC subnode should be same as HW.
see below for detail.
- rcar_sound,dvc : Should contain DVC feature.
The number of DVC subnode should be same as HW.
see below for detail.
- rcar_sound,dai : DAI contents.
The number of DAI subnode should be same as HW.
see below for detail.
......@@ -21,6 +24,7 @@ SSI subnode properties:
- interrupts : Should contain SSI interrupt for PIO transfer
- shared-pin : if shared clock pin
- pio-transfer : use PIO transfer mode
- no-busif : BUSIF is not ussed when [mem -> SSI] via DMA case
SRC subnode properties:
no properties at this point
......@@ -39,6 +43,11 @@ rcar_sound: rcar_sound@0xffd90000 {
<0 0xec540000 0 0x1000>, /* SSIU */
<0 0xec541000 0 0x1280>; /* SSI */
rcar_sound,dvc {
dvc0: dvc@0 { };
dvc1: dvc@1 { };
};
rcar_sound,src {
src0: src@0 { };
src1: src@1 { };
......
arch/arm/mach-shmobile/board-armadillo800eva.c
浏览文件 @ 2fd53734
......@@ -998,6 +998,8 @@ static struct platform_device fsi_wm8978_device = {
.id = 0,
.dev = {
.platform_data = &fsi_wm8978_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_wm8978_device.dev.coherent_dma_mask,
},
};
......@@ -1021,6 +1023,8 @@ static struct platform_device fsi_hdmi_device = {
.id = 1,
.dev = {
.platform_data = &fsi2_hdmi_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_hdmi_device.dev.coherent_dma_mask,
},
};
......
arch/arm/mach-shmobile/board-kzm9g.c
浏览文件 @ 2fd53734
......@@ -603,6 +603,8 @@ static struct platform_device fsi_ak4648_device = {
.name = "asoc-simple-card",
.dev = {
.platform_data = &fsi2_ak4648_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_ak4648_device.dev.coherent_dma_mask,
},
};
......
arch/arm/mach-shmobile/board-mackerel.c
浏览文件 @ 2fd53734
......@@ -523,6 +523,8 @@ static struct platform_device fsi_hdmi_device = {
.id = 1,
.dev = {
.platform_data = &fsi2_hdmi_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_hdmi_device.dev.coherent_dma_mask,
},
};
......@@ -919,6 +921,8 @@ static struct platform_device fsi_ak4643_device = {
.name = "asoc-simple-card",
.dev = {
.platform_data = &fsi2_ak4643_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_ak4643_device.dev.coherent_dma_mask,
},
};
......
arch/sh/boards/mach-ecovec24/setup.c
浏览文件 @ 2fd53734
......@@ -874,6 +874,8 @@ static struct platform_device fsi_da7210_device = {
.name = "asoc-simple-card",
.dev = {
.platform_data = &fsi_da7210_info,
.coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &fsi_da7210_device.dev.coherent_dma_mask,
},
};
......
include/sound/rcar_snd.h
浏览文件 @ 2fd53734
......@@ -34,6 +34,7 @@
* B : SSI direction
*/
#define RSND_SSI_CLK_PIN_SHARE (1 << 31)
#define RSND_SSI_NO_BUSIF (1 << 30) /* SSI+DMA without BUSIF */
#define RSND_SSI(_dma_id, _pio_irq, _flags) \
{ .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
......
sound/soc/sh/Kconfig
浏览文件 @ 2fd53734
......@@ -37,7 +37,7 @@ config SND_SOC_SH4_SIU
config SND_SOC_RCAR
tristate "R-Car series SRU/SCU/SSIU/SSI support"
select SND_SIMPLE_CARD
select REGMAP
select REGMAP_MMIO
help
This option enables R-Car SUR/SCU/SSIU/SSI sound support
......
sound/soc/sh/fsi.c
浏览文件 @ 2fd53734
......@@ -232,11 +232,7 @@ struct fsi_stream {
* these are for DMAEngine
*/
struct dma_chan *chan;
struct work_struct work;
dma_addr_t dma;
int dma_id;
int loop_cnt;
int additional_pos;
};
struct fsi_clk {
......@@ -1042,6 +1038,26 @@ static int fsi_clk_set_rate_cpg(struct device *dev,
return ret;
}
static void fsi_pointer_update(struct fsi_stream *io, int size)
{
io->buff_sample_pos += size;
if (io->buff_sample_pos >=
io->period_samples * (io->period_pos + 1)) {
struct snd_pcm_substream *substream = io->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
io->period_pos++;
if (io->period_pos >= runtime->periods) {
io->buff_sample_pos = 0;
io->period_pos = 0;
}
snd_pcm_period_elapsed(substream);
}
}
/*
* pio data transfer handler
*/
......@@ -1108,31 +1124,11 @@ static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
void (*run32)(struct fsi_priv *fsi, u8 *buf, int samples),
int samples)
{
struct snd_pcm_runtime *runtime;
struct snd_pcm_substream *substream;
u8 *buf;
int over_period;
if (!fsi_stream_is_working(fsi, io))
return -EINVAL;
over_period = 0;
substream = io->substream;
runtime = substream->runtime;
/* FSI FIFO has limit.
* So, this driver can not send periods data at a time
*/
if (io->buff_sample_pos >=
io->period_samples * (io->period_pos + 1)) {
over_period = 1;
io->period_pos = (io->period_pos + 1) % runtime->periods;
if (0 == io->period_pos)
io->buff_sample_pos = 0;
}
buf = fsi_pio_get_area(fsi, io);
switch (io->sample_width) {
......@@ -1146,11 +1142,7 @@ static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
return -EINVAL;
}
/* update buff_sample_pos */
io->buff_sample_pos += samples;
if (over_period)
snd_pcm_period_elapsed(substream);
fsi_pointer_update(io, samples);
return 0;
}
......@@ -1279,11 +1271,6 @@ static irqreturn_t fsi_interrupt(int irq, void *data)
*/
static int fsi_dma_init(struct fsi_priv *fsi, struct fsi_stream *io)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE;
/*
* 24bit data : 24bit bus / package in back
* 16bit data : 16bit bus / stream mode
......@@ -1291,91 +1278,37 @@ static int fsi_dma_init(struct fsi_priv *fsi, struct fsi_stream *io)
io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
BUSOP_SET(16, PACKAGE_16BITBUS_STREAM);
io->loop_cnt = 2; /* push 1st, 2nd period first, then 3rd, 4th... */
io->additional_pos = 0;
io->dma = dma_map_single(dai->dev, runtime->dma_area,
snd_pcm_lib_buffer_bytes(io->substream), dir);
return 0;
}
static int fsi_dma_quit(struct fsi_priv *fsi, struct fsi_stream *io)
{
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE;
dma_unmap_single(dai->dev, io->dma,
snd_pcm_lib_buffer_bytes(io->substream), dir);
return 0;
}
static dma_addr_t fsi_dma_get_area(struct fsi_stream *io, int additional)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
int period = io->period_pos + additional;
if (period >= runtime->periods)
period = 0;
return io->dma + samples_to_bytes(runtime, period * io->period_samples);
}
static void fsi_dma_complete(void *data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
struct fsi_priv *fsi = fsi_stream_to_priv(io);
struct snd_pcm_runtime *runtime = io->substream->runtime;
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE;
dma_sync_single_for_cpu(dai->dev, fsi_dma_get_area(io, 0),
samples_to_bytes(runtime, io->period_samples), dir);
io->buff_sample_pos += io->period_samples;
io->period_pos++;
if (io->period_pos >= runtime->periods) {
io->period_pos = 0;
io->buff_sample_pos = 0;
}
fsi_pointer_update(io, io->period_samples);
fsi_count_fifo_err(fsi);
fsi_stream_transfer(io);
snd_pcm_period_elapsed(io->substream);
}
static void fsi_dma_do_work(struct work_struct *work)
static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
{
struct fsi_stream *io = container_of(work, struct fsi_stream, work);
struct fsi_priv *fsi = fsi_stream_to_priv(io);
struct snd_soc_dai *dai;
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
struct snd_pcm_substream *substream = io->substream;
struct dma_async_tx_descriptor *desc;
struct snd_pcm_runtime *runtime;
enum dma_data_direction dir;
int is_play = fsi_stream_is_play(fsi, io);
int len, i;
dma_addr_t buf;
if (!fsi_stream_is_working(fsi, io))
return;
dai = fsi_get_dai(io->substream);
runtime = io->substream->runtime;
dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
len = samples_to_bytes(runtime, io->period_samples);
for (i = 0; i < io->loop_cnt; i++) {
buf = fsi_dma_get_area(io, io->additional_pos);
dma_sync_single_for_device(dai->dev, buf, len, dir);
desc = dmaengine_prep_slave_single(io->chan, buf, len, dir,
enum dma_data_direction dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
int ret = -EIO;
desc = dmaengine_prep_dma_cyclic(io->chan,
substream->runtime->dma_addr,
snd_pcm_lib_buffer_bytes(substream),
snd_pcm_lib_period_bytes(substream),
dir,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(dai->dev, "dmaengine_prep_slave_sg() fail\n");
return;
dev_err(dai->dev, "dmaengine_prep_dma_cyclic() fail\n");
goto fsi_dma_transfer_err;
}
desc->callback = fsi_dma_complete;
......@@ -1383,16 +1316,11 @@ static void fsi_dma_do_work(struct work_struct *work)
if (dmaengine_submit(desc) < 0) {
dev_err(dai->dev, "tx_submit() fail\n");
return;
goto fsi_dma_transfer_err;
}
dma_async_issue_pending(io->chan);
io->additional_pos = 1;
}
io->loop_cnt = 1;
/*
* FIXME
*
......@@ -1408,13 +1336,11 @@ static void fsi_dma_do_work(struct work_struct *work)
fsi_reg_write(fsi, DIFF_ST, 0);
}
}
}
static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
{
schedule_work(&io->work);
ret = 0;
return 0;
fsi_dma_transfer_err:
return ret;
}
static int fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
......@@ -1475,15 +1401,11 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev
return fsi_stream_probe(fsi, dev);
}
INIT_WORK(&io->work, fsi_dma_do_work);
return 0;
}
static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io)
{
cancel_work_sync(&io->work);
fsi_stream_stop(fsi, io);
if (io->chan)
......@@ -1495,7 +1417,6 @@ static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io)
static struct fsi_stream_handler fsi_dma_push_handler = {
.init = fsi_dma_init,
.quit = fsi_dma_quit,
.probe = fsi_dma_probe,
.transfer = fsi_dma_transfer,
.remove = fsi_dma_remove,
......@@ -1657,9 +1578,9 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
if (!ret)
ret = fsi_hw_startup(fsi, io, dai->dev);
if (!ret)
ret = fsi_stream_transfer(io);
ret = fsi_stream_start(fsi, io);
if (!ret)
fsi_stream_start(fsi, io);
ret = fsi_stream_transfer(io);
break;
case SNDRV_PCM_TRIGGER_STOP:
if (!ret)
......@@ -1850,16 +1771,10 @@ static void fsi_pcm_free(struct snd_pcm *pcm)
static int fsi_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_pcm *pcm = rtd->pcm;
/*
* dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
* in MMAP mode (i.e. aplay -M)
*/
return snd_pcm_lib_preallocate_pages_for_all(
pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
snd_dma_continuous_data(GFP_KERNEL),
rtd->pcm,
SNDRV_DMA_TYPE_DEV,
rtd->card->snd_card->dev,
PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
}
......
sound/soc/sh/rcar/core.c
浏览文件 @ 2fd53734
......@@ -138,6 +138,17 @@ char *rsnd_mod_name(struct rsnd_mod *mod)
return mod->ops->name;
}
char *rsnd_mod_dma_name(struct rsnd_mod *mod)
{
if (!mod || !mod->ops)
return "unknown";
if (!mod->ops->dma_name)
return mod->ops->name;
return mod->ops->dma_name(mod);
}
void rsnd_mod_init(struct rsnd_priv *priv,
struct rsnd_mod *mod,
struct rsnd_mod_ops *ops,
......@@ -153,26 +164,8 @@ void rsnd_mod_init(struct rsnd_priv *priv,
/*
* rsnd_dma functions
*/
static void __rsnd_dma_start(struct rsnd_dma *dma);
static void rsnd_dma_continue(struct rsnd_dma *dma)
{
/* push next A or B plane */
dma->submit_loop = 1;
schedule_work(&dma->work);
}
void rsnd_dma_start(struct rsnd_dma *dma)
{
/* push both A and B plane*/
dma->offset = 0;
dma->submit_loop = 2;
__rsnd_dma_start(dma);
}
void rsnd_dma_stop(struct rsnd_dma *dma)
{
dma->submit_loop = 0;
cancel_work_sync(&dma->work);
dmaengine_terminate_all(dma->chan);
}
......@@ -180,11 +173,7 @@ static void rsnd_dma_complete(void *data)
{
struct rsnd_dma *dma = (struct rsnd_dma *)data;
struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
struct rsnd_priv *priv = rsnd_mod_to_priv(rsnd_dma_to_mod(dma));
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
unsigned long flags;
rsnd_lock(priv, flags);
/*
* Renesas sound Gen1 needs 1 DMAC,
......@@ -197,35 +186,27 @@ static void rsnd_dma_complete(void *data)
* rsnd_dai_pointer_update() will be called twice,
* ant it will breaks io->byte_pos
*/
if (dma->submit_loop)
rsnd_dma_continue(dma);
rsnd_unlock(priv, flags);
rsnd_dai_pointer_update(io, io->byte_per_period);
}
static void __rsnd_dma_start(struct rsnd_dma *dma)
void rsnd_dma_start(struct rsnd_dma *dma)
{
struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct snd_pcm_substream *substream = io->substream;
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_async_tx_descriptor *desc;
dma_addr_t buf;
size_t len = io->byte_per_period;
int i;
for (i = 0; i < dma->submit_loop; i++) {
buf = runtime->dma_addr +
rsnd_dai_pointer_offset(io, dma->offset + len);
dma->offset = len;
desc = dmaengine_prep_slave_single(
dma->chan, buf, len, dma->dir,
desc = dmaengine_prep_dma_cyclic(dma->chan,
(dma->addr) ? dma->addr :
substream->runtime->dma_addr,
snd_pcm_lib_buffer_bytes(substream),
snd_pcm_lib_period_bytes(substream),
dma->dir,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
return;
......@@ -240,14 +221,6 @@ static void __rsnd_dma_start(struct rsnd_dma *dma)
}
dma_async_issue_pending(dma->chan);
}
}
static void rsnd_dma_do_work(struct work_struct *work)
{
struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
__rsnd_dma_start(dma);
}
int rsnd_dma_available(struct rsnd_dma *dma)
......@@ -261,14 +234,27 @@ static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod)
{
if (mod)
return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d",
rsnd_mod_name(mod), rsnd_mod_id(mod));
rsnd_mod_dma_name(mod), rsnd_mod_id(mod));
else
return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem");
}
static void rsnd_dma_of_name(struct rsnd_dma *dma,
int is_play, char *dma_name)
static void rsnd_dma_of_name(struct rsnd_mod *mod_from,
struct rsnd_mod *mod_to,
char *dma_name)
{
int index = 0;
index = _rsnd_dma_of_name(dma_name + index, mod_from);
*(dma_name + index++) = '_';
index = _rsnd_dma_of_name(dma_name + index, mod_to);
}
static void rsnd_dma_of_path(struct rsnd_dma *dma,
int is_play,
struct rsnd_mod **mod_from,
struct rsnd_mod **mod_to)
{
struct rsnd_mod *this = rsnd_dma_to_mod(dma);
struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
......@@ -276,7 +262,6 @@ static void rsnd_dma_of_name(struct rsnd_dma *dma,
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
struct rsnd_mod *src_mod, *dst_mod;
int i, index;
......@@ -301,7 +286,13 @@ static void rsnd_dma_of_name(struct rsnd_dma *dma,
mod[i] = src;
src = NULL;
} else {
mod[i] = dvc;
if ((!is_play) && (this == src))
this = dvc;
mod[i] = (is_play) ? src : dvc;
i++;
mod[i] = (is_play) ? dvc : src;
src = NULL;
dvc = NULL;
}
......@@ -313,17 +304,12 @@ static void rsnd_dma_of_name(struct rsnd_dma *dma,
}
if (is_play) {
src_mod = mod[index - 1];
dst_mod = mod[index];
*mod_from = mod[index - 1];
*mod_to = mod[index];
} else {
src_mod = mod[index];
dst_mod = mod[index - 1];
*mod_from = mod[index];
*mod_to = mod[index - 1];
}
index = 0;
index = _rsnd_dma_of_name(dma_name + index, src_mod);
*(dma_name + index++) = '_';
index = _rsnd_dma_of_name(dma_name + index, dst_mod);
}
int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
......@@ -331,6 +317,8 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
{
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_slave_config cfg;
struct rsnd_mod *mod_from;
struct rsnd_mod *mod_to;
char dma_name[DMA_NAME_SIZE];
dma_cap_mask_t mask;
int ret;
......@@ -343,13 +331,18 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
if (dev->of_node)
rsnd_dma_of_name(dma, is_play, dma_name);
else
snprintf(dma_name, DMA_NAME_SIZE,
is_play ? "tx" : "rx");
rsnd_dma_of_path(dma, is_play, &mod_from, &mod_to);
rsnd_dma_of_name(mod_from, mod_to, dma_name);
dev_dbg(dev, "dma name : %s\n", dma_name);
cfg.slave_id = id;
cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
cfg.src_addr = rsnd_gen_dma_addr(priv, mod_from, is_play, 1);
cfg.dst_addr = rsnd_gen_dma_addr(priv, mod_to, is_play, 0);
cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
dev_dbg(dev, "dma : %s %pad -> %pad\n",
dma_name, &cfg.src_addr, &cfg.dst_addr);
dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
(void *)id, dev,
......@@ -359,14 +352,12 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
return -EIO;
}
rsnd_gen_dma_addr(priv, dma, &cfg, is_play, id);
ret = dmaengine_slave_config(dma->chan, &cfg);
if (ret < 0)
goto rsnd_dma_init_err;
dma->dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
INIT_WORK(&dma->work, rsnd_dma_do_work);
dma->addr = is_play ? cfg.src_addr : cfg.dst_addr;
dma->dir = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
return 0;
......@@ -633,40 +624,41 @@ static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}
/* set clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
rdai->bit_clk_inv = 0;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_IB_NF:
rdai->bit_clk_inv = 1;
rdai->frm_clk_inv = 0;
break;
case SND_SOC_DAIFMT_IB_IF:
rdai->bit_clk_inv = 1;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_NB_NF:
default:
rdai->bit_clk_inv = 0;
rdai->frm_clk_inv = 0;
break;
}
/* set format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
rdai->sys_delay = 0;
rdai->data_alignment = 0;
rdai->frm_clk_inv = 0;
break;
case SND_SOC_DAIFMT_LEFT_J:
rdai->sys_delay = 1;
rdai->data_alignment = 0;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_RIGHT_J:
rdai->sys_delay = 1;
rdai->data_alignment = 1;
rdai->frm_clk_inv = 1;
break;
}
/* set clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
rdai->bit_clk_inv = rdai->bit_clk_inv;
rdai->frm_clk_inv = !rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_IB_NF:
rdai->bit_clk_inv = !rdai->bit_clk_inv;
rdai->frm_clk_inv = rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_IB_IF:
rdai->bit_clk_inv = !rdai->bit_clk_inv;
rdai->frm_clk_inv = !rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_NB_NF:
default:
break;
}
......@@ -736,12 +728,13 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
struct device_node *dai_node, *dai_np;
struct device_node *ssi_node, *ssi_np;
struct device_node *src_node, *src_np;
struct device_node *dvc_node, *dvc_np;
struct device_node *playback, *capture;
struct rsnd_dai_platform_info *dai_info;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = &pdev->dev;
int nr, i;
int dai_i, ssi_i, src_i;
int dai_i, ssi_i, src_i, dvc_i;
if (!of_data)
return;
......@@ -767,6 +760,7 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
#define mod_parse(name) \
if (name##_node) { \
......@@ -802,6 +796,7 @@ if (name##_node) { \
mod_parse(ssi);
mod_parse(src);
mod_parse(dvc);
if (playback)
of_node_put(playback);
......@@ -950,11 +945,10 @@ static struct snd_pcm_ops rsnd_pcm_ops = {
static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct rsnd_priv *priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct rsnd_dai *rdai;
int i, ret;
struct snd_soc_dai *dai = rtd->cpu_dai;
struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
int ret;
for_each_rsnd_dai(rdai, priv, i) {
ret = rsnd_dai_call(pcm_new, &rdai->playback, rdai, rtd);
if (ret)
return ret;
......@@ -962,7 +956,6 @@ static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
ret = rsnd_dai_call(pcm_new, &rdai->capture, rdai, rtd);
if (ret)
return ret;
}
return snd_pcm_lib_preallocate_pages_for_all(
rtd->pcm,
......@@ -1049,11 +1042,11 @@ static int rsnd_probe(struct platform_device *pdev)
for_each_rsnd_dai(rdai, priv, i) {
ret = rsnd_dai_call(probe, &rdai->playback, rdai);
if (ret)
return ret;
goto exit_snd_probe;
ret = rsnd_dai_call(probe, &rdai->capture, rdai);
if (ret)
return ret;
goto exit_snd_probe;
}
/*
......@@ -1081,6 +1074,11 @@ static int rsnd_probe(struct platform_device *pdev)
exit_snd_soc:
snd_soc_unregister_platform(dev);
exit_snd_probe:
for_each_rsnd_dai(rdai, priv, i) {
rsnd_dai_call(remove, &rdai->playback, rdai);
rsnd_dai_call(remove, &rdai->capture, rdai);
}
return ret;
}
......@@ -1089,21 +1087,16 @@ static int rsnd_remove(struct platform_device *pdev)
{
struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
struct rsnd_dai *rdai;
int ret, i;
int ret = 0, i;
pm_runtime_disable(&pdev->dev);
for_each_rsnd_dai(rdai, priv, i) {
ret = rsnd_dai_call(remove, &rdai->playback, rdai);
if (ret)
return ret;
ret = rsnd_dai_call(remove, &rdai->capture, rdai);
if (ret)
return ret;
ret |= rsnd_dai_call(remove, &rdai->playback, rdai);
ret |= rsnd_dai_call(remove, &rdai->capture, rdai);
}
return 0;
return ret;
}
static struct platform_driver rsnd_driver = {
......
sound/soc/sh/rcar/dvc.c
浏览文件 @ 2fd53734
......@@ -20,7 +20,8 @@ struct rsnd_dvc {
struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
struct clk *clk;
long volume[RSND_DVC_VOLUME_NUM];
u8 volume[RSND_DVC_VOLUME_NUM];
u8 mute[RSND_DVC_VOLUME_NUM];
};
#define rsnd_mod_to_dvc(_mod) \
......@@ -37,13 +38,18 @@ static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
u32 max = (0x00800000 - 1);
u32 vol[RSND_DVC_VOLUME_NUM];
u32 mute = 0;
int i;
for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) {
vol[i] = max / RSND_DVC_VOLUME_MAX * dvc->volume[i];
mute |= (!!dvc->mute[i]) << i;
}
rsnd_mod_write(mod, DVC_VOL0R, vol[0]);
rsnd_mod_write(mod, DVC_VOL1R, vol[1]);
rsnd_mod_write(mod, DVC_ZCMCR, mute);
}
static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod,
......@@ -96,8 +102,8 @@ static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
rsnd_mod_write(dvc_mod, DVC_ADINR, rsnd_get_adinr(dvc_mod));
/* enable Volume */
rsnd_mod_write(dvc_mod, DVC_DVUCR, 0x100);
/* enable Volume / Mute */
rsnd_mod_write(dvc_mod, DVC_DVUCR, 0x101);
/* ch0/ch1 Volume */
rsnd_dvc_volume_update(dvc_mod);
......@@ -140,10 +146,20 @@ static int rsnd_dvc_stop(struct rsnd_mod *mod,
static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
u8 *val = (u8 *)kctrl->private_value;
uinfo->count = RSND_DVC_VOLUME_NUM;
uinfo->value.integer.min = 0;
if (val == dvc->volume) {
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->value.integer.max = RSND_DVC_VOLUME_MAX;
} else {
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->value.integer.max = 1;
}
return 0;
}
......@@ -151,12 +167,11 @@ static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl,
static int rsnd_dvc_volume_get(struct snd_kcontrol *kctrl,
struct snd_ctl_elem_value *ucontrol)
{
struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
u8 *val = (u8 *)kctrl->private_value;
int i;
for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
ucontrol->value.integer.value[i] = dvc->volume[i];
ucontrol->value.integer.value[i] = val[i];
return 0;
}
......@@ -165,51 +180,38 @@ static int rsnd_dvc_volume_put(struct snd_kcontrol *kctrl,
struct snd_ctl_elem_value *ucontrol)
{
struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
u8 *val = (u8 *)kctrl->private_value;
int i, change = 0;
for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) {
if (ucontrol->value.integer.value[i] < 0 ||
ucontrol->value.integer.value[i] > RSND_DVC_VOLUME_MAX)
return -EINVAL;
change |= (ucontrol->value.integer.value[i] != dvc->volume[i]);
change |= (ucontrol->value.integer.value[i] != val[i]);
val[i] = ucontrol->value.integer.value[i];
}
if (change) {
for (i = 0; i < RSND_DVC_VOLUME_NUM; i++)
dvc->volume[i] = ucontrol->value.integer.value[i];
if (change)
rsnd_dvc_volume_update(mod);
}
return change;
}
static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
static int __rsnd_dvc_pcm_new(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct snd_soc_pcm_runtime *rtd)
struct snd_soc_pcm_runtime *rtd,
const unsigned char *name,
u8 *private)
{
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
struct snd_card *card = rtd->card->snd_card;
struct snd_kcontrol *kctrl;
static struct snd_kcontrol_new knew = {
struct snd_kcontrol_new knew = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Playback Volume",
.name = name,
.info = rsnd_dvc_volume_info,
.get = rsnd_dvc_volume_get,
.put = rsnd_dvc_volume_put,
.private_value = (unsigned long)private,
};
int ret;
if (!rsnd_dai_is_play(rdai, io)) {
dev_err(dev, "DVC%d is connected to Capture DAI\n",
rsnd_mod_id(mod));
return -EINVAL;
}
kctrl = snd_ctl_new1(&knew, mod);
if (!kctrl)
return -ENOMEM;
......@@ -221,6 +223,33 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
return 0;
}
static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct snd_soc_pcm_runtime *rtd)
{
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
int ret;
/* Volume */
ret = __rsnd_dvc_pcm_new(mod, rdai, rtd,
rsnd_dai_is_play(rdai, io) ?
"DVC Out Playback Volume" : "DVC In Capture Volume",
dvc->volume);
if (ret < 0)
return ret;
/* Mute */
ret = __rsnd_dvc_pcm_new(mod, rdai, rtd,
rsnd_dai_is_play(rdai, io) ?
"DVC Out Mute Switch" : "DVC In Mute Switch",
dvc->mute);
if (ret < 0)
return ret;
return 0;
}
static struct rsnd_mod_ops rsnd_dvc_ops = {
.name = DVC_NAME,
.probe = rsnd_dvc_probe_gen2,
......@@ -239,6 +268,42 @@ struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
return &((struct rsnd_dvc *)(priv->dvc) + id)->mod;
}
static void rsnd_of_parse_dvc(struct platform_device *pdev,
const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
{
struct device_node *node;
struct rsnd_dvc_platform_info *dvc_info;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = &pdev->dev;
int nr;
if (!of_data)
return;
node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
if (!node)
return;
nr = of_get_child_count(node);
if (!nr)
goto rsnd_of_parse_dvc_end;
dvc_info = devm_kzalloc(dev,
sizeof(struct rsnd_dvc_platform_info) * nr,
GFP_KERNEL);
if (!dvc_info) {
dev_err(dev, "dvc info allocation error\n");
goto rsnd_of_parse_dvc_end;
}
info->dvc_info = dvc_info;
info->dvc_info_nr = nr;
rsnd_of_parse_dvc_end:
of_node_put(node);
}
int rsnd_dvc_probe(struct platform_device *pdev,
const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
......@@ -250,6 +315,8 @@ int rsnd_dvc_probe(struct platform_device *pdev,
char name[RSND_DVC_NAME_SIZE];
int i, nr;
rsnd_of_parse_dvc(pdev, of_data, priv);
nr = info->dvc_info_nr;
if (!nr)
return 0;
......
sound/soc/sh/rcar/gen.c
浏览文件 @ 2fd53734
此差异已折叠。
sound/soc/sh/rcar/rsnd.h
浏览文件 @ 2fd53734
......@@ -90,6 +90,7 @@ enum rsnd_reg {
RSND_REG_SHARE19,
RSND_REG_SHARE20,
RSND_REG_SHARE21,
RSND_REG_SHARE22,
RSND_REG_MAX,
};
......@@ -127,6 +128,7 @@ enum rsnd_reg {
#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
#define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
struct rsnd_of_data;
struct rsnd_priv;
......@@ -156,12 +158,9 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod);
*/
struct rsnd_dma {
struct sh_dmae_slave slave;
struct work_struct work;
struct dma_chan *chan;
enum dma_data_direction dir;
int submit_loop;
int offset; /* it cares A/B plane */
enum dma_transfer_direction dir;
dma_addr_t addr;
};
void rsnd_dma_start(struct rsnd_dma *dma);
......@@ -185,6 +184,7 @@ enum rsnd_mod_type {
struct rsnd_mod_ops {
char *name;
char* (*dma_name)(struct rsnd_mod *mod);
int (*probe)(struct rsnd_mod *mod,
struct rsnd_dai *rdai);
int (*remove)(struct rsnd_mod *mod,
......@@ -224,6 +224,7 @@ void rsnd_mod_init(struct rsnd_priv *priv,
enum rsnd_mod_type type,
int id);
char *rsnd_mod_name(struct rsnd_mod *mod);
char *rsnd_mod_dma_name(struct rsnd_mod *mod);
/*
* R-Car sound DAI
......@@ -281,10 +282,9 @@ int rsnd_gen_probe(struct platform_device *pdev,
void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
struct rsnd_mod *mod,
enum rsnd_reg reg);
void rsnd_gen_dma_addr(struct rsnd_priv *priv,
struct rsnd_dma *dma,
struct dma_slave_config *cfg,
int is_play, int slave_id);
dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
struct rsnd_mod *mod,
int is_play, int is_from);
#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
......@@ -391,8 +391,12 @@ struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime);
int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai);
int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
int use_busif);
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
int use_busif);
int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai);
......
sound/soc/sh/rcar/src.c
浏览文件 @ 2fd53734
......@@ -106,18 +106,19 @@ struct rsnd_src {
/*
* Gen1/Gen2 common functions
*/
int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai)
int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
int use_busif)
{
struct rsnd_dai_stream *io = rsnd_mod_to_io(ssi_mod);
struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
int ssi_id = rsnd_mod_id(ssi_mod);
/*
* SSI_MODE0
*/
rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id),
src_mod ? 0 : (1 << ssi_id));
!use_busif << ssi_id);
/*
* SSI_MODE1
......@@ -143,6 +144,46 @@ int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
0x2 << shift : 0x1 << shift);
}
/*
* DMA settings for SSIU
*/
if (use_busif) {
u32 val = 0x76543210;
u32 mask = ~0;
rsnd_mod_write(ssi_mod, SSI_BUSIF_ADINR,
rsnd_get_adinr(ssi_mod));
rsnd_mod_write(ssi_mod, SSI_BUSIF_MODE, 1);
rsnd_mod_write(ssi_mod, SSI_CTRL, 0x1);
mask <<= runtime->channels * 4;
val = val & mask;
switch (runtime->sample_bits) {
case 16:
val |= 0x67452301 & ~mask;
break;
case 32:
val |= 0x76543210 & ~mask;
break;
}
rsnd_mod_write(ssi_mod, BUSIF_DALIGN, val);
}
return 0;
}
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
int use_busif)
{
/*
* DMA settings for SSIU
*/
if (use_busif)
rsnd_mod_write(ssi_mod, SSI_CTRL, 0);
return 0;
}
......@@ -461,18 +502,45 @@ static struct rsnd_mod_ops rsnd_src_gen1_ops = {
static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct rsnd_src *src = rsnd_mod_to_src(mod);
uint ratio;
int ret;
/* 6 - 1/6 are very enough ratio for SRC_BSDSR */
if (!rsnd_src_convert_rate(src))
ratio = 0;
else if (rsnd_src_convert_rate(src) > runtime->rate)
ratio = 100 * rsnd_src_convert_rate(src) / runtime->rate;
else
ratio = 100 * runtime->rate / rsnd_src_convert_rate(src);
if (ratio > 600) {
dev_err(dev, "FSO/FSI ratio error\n");
return -EINVAL;
}
ret = rsnd_src_set_convert_rate(mod, rdai);
if (ret < 0)
return ret;
rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_get_adinr(mod));
rsnd_mod_write(mod, SSI_BUSIF_MODE, 1);
rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
switch (rsnd_mod_id(mod)) {
case 5:
case 6:
case 7:
case 8:
rsnd_mod_write(mod, SRC_BSDSR, 0x02400000);
break;
default:
rsnd_mod_write(mod, SRC_BSDSR, 0x01800000);
break;
}
rsnd_mod_write(mod, SRC_BSISR, 0x00100060);
return 0;
......@@ -554,7 +622,6 @@ static int rsnd_src_start_gen2(struct rsnd_mod *mod,
rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
rsnd_mod_write(mod, SSI_CTRL, 0x1);
rsnd_mod_write(mod, SRC_CTRL, val);
return rsnd_src_start(mod, rdai);
......@@ -565,7 +632,6 @@ static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
{
struct rsnd_src *src = rsnd_mod_to_src(mod);
rsnd_mod_write(mod, SSI_CTRL, 0);
rsnd_mod_write(mod, SRC_CTRL, 0);
rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
......
sound/soc/sh/rcar/ssi.c
浏览文件 @ 2fd53734
......@@ -90,6 +90,20 @@ struct rsnd_ssi {
#define rsnd_ssi_mode_flags(p) ((p)->info->flags)
#define rsnd_ssi_dai_id(ssi) ((ssi)->info->dai_id)
static int rsnd_ssi_use_busif(struct rsnd_mod *mod)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
int use_busif = 0;
if (!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_NO_BUSIF))
use_busif = 1;
if (rsnd_io_to_mod_src(io))
use_busif = 1;
return use_busif;
}
static void rsnd_ssi_status_check(struct rsnd_mod *mod,
u32 bit)
{
......@@ -289,8 +303,6 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
ssi->cr_own = cr;
ssi->err = -1; /* ignore 1st error */
rsnd_src_ssi_mode_init(mod, rdai);
return 0;
}
......@@ -389,6 +401,8 @@ static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
/* enable PIO IRQ */
ssi->cr_etc = UIEN | OIEN | DIEN;
rsnd_src_ssiu_start(mod, rdai, 0);
rsnd_src_enable_ssi_irq(mod, rdai);
rsnd_ssi_hw_start(ssi, rdai, io);
......@@ -405,6 +419,8 @@ static int rsnd_ssi_pio_stop(struct rsnd_mod *mod,
rsnd_ssi_hw_stop(ssi, rdai);
rsnd_src_ssiu_stop(mod, rdai, 0);
return 0;
}
......@@ -457,6 +473,8 @@ static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
/* enable DMA transfer */
ssi->cr_etc = DMEN;
rsnd_src_ssiu_start(mod, rdai, rsnd_ssi_use_busif(mod));
rsnd_dma_start(dma);
rsnd_ssi_hw_start(ssi, ssi->rdai, io);
......@@ -482,11 +500,19 @@ static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
rsnd_dma_stop(dma);
rsnd_src_ssiu_stop(mod, rdai, 1);
return 0;
}
static char *rsnd_ssi_dma_name(struct rsnd_mod *mod)
{
return rsnd_ssi_use_busif(mod) ? "ssiu" : SSI_NAME;
}
static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
.name = SSI_NAME,
.dma_name = rsnd_ssi_dma_name,
.probe = rsnd_ssi_dma_probe,
.remove = rsnd_ssi_dma_remove,
.init = rsnd_ssi_init,
......@@ -595,6 +621,9 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev,
*/
ssi_info->dma_id = of_get_property(np, "pio-transfer", NULL) ?
0 : 1;
if (of_get_property(np, "no-busif", NULL))
ssi_info->flags |= RSND_SSI_NO_BUSIF;
}
rsnd_of_parse_ssi_end:
......
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