summaryrefslogtreecommitdiffstats
path: root/sound/soc/sh
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/sh')
-rw-r--r--sound/soc/sh/fsi.c52
-rw-r--r--sound/soc/sh/siu_pcm.c12
2 files changed, 30 insertions, 34 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 2ef98536f1d..0540408a9fa 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -247,7 +247,7 @@ struct fsi_priv {
struct fsi_stream_handler {
int (*init)(struct fsi_priv *fsi, struct fsi_stream *io);
int (*quit)(struct fsi_priv *fsi, struct fsi_stream *io);
- int (*probe)(struct fsi_priv *fsi, struct fsi_stream *io);
+ int (*probe)(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev);
int (*transfer)(struct fsi_priv *fsi, struct fsi_stream *io);
int (*remove)(struct fsi_priv *fsi, struct fsi_stream *io);
void (*start_stop)(struct fsi_priv *fsi, struct fsi_stream *io,
@@ -571,16 +571,16 @@ static int fsi_stream_transfer(struct fsi_stream *io)
#define fsi_stream_stop(fsi, io)\
fsi_stream_handler_call(io, start_stop, fsi, io, 0)
-static int fsi_stream_probe(struct fsi_priv *fsi)
+static int fsi_stream_probe(struct fsi_priv *fsi, struct device *dev)
{
struct fsi_stream *io;
int ret1, ret2;
io = &fsi->playback;
- ret1 = fsi_stream_handler_call(io, probe, fsi, io);
+ ret1 = fsi_stream_handler_call(io, probe, fsi, io, dev);
io = &fsi->capture;
- ret2 = fsi_stream_handler_call(io, probe, fsi, io);
+ ret2 = fsi_stream_handler_call(io, probe, fsi, io, dev);
if (ret1 < 0)
return ret1;
@@ -1089,13 +1089,10 @@ static void fsi_dma_do_tasklet(unsigned long data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
struct fsi_priv *fsi = fsi_stream_to_priv(io);
- struct dma_chan *chan;
struct snd_soc_dai *dai;
struct dma_async_tx_descriptor *desc;
- struct scatterlist sg;
struct snd_pcm_runtime *runtime;
enum dma_data_direction dir;
- dma_cookie_t cookie;
int is_play = fsi_stream_is_play(fsi, io);
int len;
dma_addr_t buf;
@@ -1104,7 +1101,6 @@ static void fsi_dma_do_tasklet(unsigned long data)
return;
dai = fsi_get_dai(io->substream);
- chan = io->chan;
runtime = io->substream->runtime;
dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
len = samples_to_bytes(runtime, io->period_samples);
@@ -1112,14 +1108,8 @@ static void fsi_dma_do_tasklet(unsigned long data)
dma_sync_single_for_device(dai->dev, buf, len, dir);
- sg_init_table(&sg, 1);
- sg_set_page(&sg, pfn_to_page(PFN_DOWN(buf)),
- len , offset_in_page(buf));
- sg_dma_address(&sg) = buf;
- sg_dma_len(&sg) = len;
-
- desc = dmaengine_prep_slave_sg(chan, &sg, 1, dir,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ desc = dmaengine_prep_slave_single(io->chan, buf, len, dir,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(dai->dev, "dmaengine_prep_slave_sg() fail\n");
return;
@@ -1128,13 +1118,12 @@ static void fsi_dma_do_tasklet(unsigned long data)
desc->callback = fsi_dma_complete;
desc->callback_param = io;
- cookie = desc->tx_submit(desc);
- if (cookie < 0) {
+ if (dmaengine_submit(desc) < 0) {
dev_err(dai->dev, "tx_submit() fail\n");
return;
}
- dma_async_issue_pending(chan);
+ dma_async_issue_pending(io->chan);
/*
* FIXME
@@ -1184,7 +1173,7 @@ static void fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
}
-static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io)
+static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev)
{
dma_cap_mask_t mask;
@@ -1192,8 +1181,19 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io)
dma_cap_set(DMA_SLAVE, mask);
io->chan = dma_request_channel(mask, fsi_dma_filter, &io->slave);
- if (!io->chan)
- return -EIO;
+ if (!io->chan) {
+
+ /* switch to PIO handler */
+ if (fsi_stream_is_play(fsi, io))
+ fsi->playback.handler = &fsi_pio_push_handler;
+ else
+ fsi->capture.handler = &fsi_pio_pop_handler;
+
+ dev_info(dev, "switch handler (dma => pio)\n");
+
+ /* probe again */
+ return fsi_stream_probe(fsi, dev);
+ }
tasklet_init(&io->tasklet, fsi_dma_do_tasklet, (unsigned long)io);
@@ -1631,8 +1631,8 @@ static void fsi_handler_init(struct fsi_priv *fsi)
fsi->capture.priv = fsi;
if (fsi->info->tx_id) {
- fsi->playback.slave.slave_id = fsi->info->tx_id;
- fsi->playback.handler = &fsi_dma_push_handler;
+ fsi->playback.slave.shdma_slave.slave_id = fsi->info->tx_id;
+ fsi->playback.handler = &fsi_dma_push_handler;
}
}
@@ -1683,7 +1683,7 @@ static int fsi_probe(struct platform_device *pdev)
master->fsia.master = master;
master->fsia.info = &info->port_a;
fsi_handler_init(&master->fsia);
- ret = fsi_stream_probe(&master->fsia);
+ ret = fsi_stream_probe(&master->fsia, &pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "FSIA stream probe failed\n");
goto exit_iounmap;
@@ -1694,7 +1694,7 @@ static int fsi_probe(struct platform_device *pdev)
master->fsib.master = master;
master->fsib.info = &info->port_b;
fsi_handler_init(&master->fsib);
- ret = fsi_stream_probe(&master->fsib);
+ ret = fsi_stream_probe(&master->fsib, &pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "FSIB stream probe failed\n");
goto exit_fsia;
diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index 5cfcc655e95..488f9becb44 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -330,12 +330,9 @@ static bool filter(struct dma_chan *chan, void *slave)
{
struct sh_dmae_slave *param = slave;
- pr_debug("%s: slave ID %d\n", __func__, param->slave_id);
+ pr_debug("%s: slave ID %d\n", __func__, param->shdma_slave.slave_id);
- if (unlikely(param->dma_dev != chan->device->dev))
- return false;
-
- chan->private = param;
+ chan->private = &param->shdma_slave;
return true;
}
@@ -360,16 +357,15 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) {
siu_stream = &port_info->playback;
param = &siu_stream->param;
- param->slave_id = port ? pdata->dma_slave_tx_b :
+ param->shdma_slave.slave_id = port ? pdata->dma_slave_tx_b :
pdata->dma_slave_tx_a;
} else {
siu_stream = &port_info->capture;
param = &siu_stream->param;
- param->slave_id = port ? pdata->dma_slave_rx_b :
+ param->shdma_slave.slave_id = port ? pdata->dma_slave_rx_b :
pdata->dma_slave_rx_a;
}
- param->dma_dev = pdata->dma_dev;
/* Get DMA channel */
siu_stream->chan = dma_request_channel(mask, filter, param);
if (!siu_stream->chan) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 18:18:20 +0000