From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/sound/soc/sh/siu_pcm.c | 116 +++++++++++++++++----------------------------------------
1 files changed, 35 insertions(+), 81 deletions(-)
diff --git a/kernel/sound/soc/sh/siu_pcm.c b/kernel/sound/soc/sh/siu_pcm.c
index e263757..4785886 100644
--- a/kernel/sound/soc/sh/siu_pcm.c
+++ b/kernel/sound/soc/sh/siu_pcm.c
@@ -70,7 +70,7 @@
siu_stream->rw_flg = RWF_STM_WT;
/* DMA transfer start */
- tasklet_schedule(&siu_stream->tasklet);
+ queue_work(system_highpri_wq, &siu_stream->work);
return 0;
}
@@ -93,7 +93,7 @@
siu_stream->cur_period * siu_stream->period_bytes,
siu_stream->buf_bytes, siu_stream->cookie);
- tasklet_schedule(&siu_stream->tasklet);
+ queue_work(system_highpri_wq, &siu_stream->work);
/* Notify alsa: a period is done */
snd_pcm_period_elapsed(siu_stream->substream);
@@ -198,9 +198,10 @@
return 0;
}
-static void siu_io_tasklet(unsigned long data)
+static void siu_io_work(struct work_struct *work)
{
- struct siu_stream *siu_stream = (struct siu_stream *)data;
+ struct siu_stream *siu_stream = container_of(work, struct siu_stream,
+ work);
struct snd_pcm_substream *substream = siu_stream->substream;
struct device *dev = substream->pcm->card->dev;
struct snd_pcm_runtime *rt = substream->runtime;
@@ -253,7 +254,7 @@
/* during stmread flag set */
siu_stream->rw_flg = RWF_STM_RD;
- tasklet_schedule(&siu_stream->tasklet);
+ queue_work(system_highpri_wq, &siu_stream->work);
return 0;
}
@@ -281,54 +282,20 @@
return 0;
}
-static int siu_pcm_hw_params(struct snd_pcm_substream *ss,
- struct snd_pcm_hw_params *hw_params)
+static bool filter(struct dma_chan *chan, void *secondary)
{
- struct siu_info *info = siu_i2s_data;
- struct device *dev = ss->pcm->card->dev;
- int ret;
+ struct sh_dmae_slave *param = secondary;
- dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
-
- ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
- if (ret < 0)
- dev_err(dev, "snd_pcm_lib_malloc_pages() failed\n");
-
- return ret;
-}
-
-static int siu_pcm_hw_free(struct snd_pcm_substream *ss)
-{
- struct siu_info *info = siu_i2s_data;
- struct siu_port *port_info = siu_port_info(ss);
- struct device *dev = ss->pcm->card->dev;
- struct siu_stream *siu_stream;
-
- if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
- siu_stream = &port_info->playback;
- else
- siu_stream = &port_info->capture;
-
- dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
-
- return snd_pcm_lib_free_pages(ss);
-}
-
-static bool filter(struct dma_chan *chan, void *slave)
-{
- struct sh_dmae_slave *param = slave;
-
- pr_debug("%s: slave ID %d\n", __func__, param->shdma_slave.slave_id);
+ pr_debug("%s: secondary ID %d\n", __func__, param->shdma_slave.slave_id);
chan->private = ¶m->shdma_slave;
return true;
}
-static int siu_pcm_open(struct snd_pcm_substream *ss)
+static int siu_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *ss)
{
/* Playback / Capture */
- struct snd_soc_pcm_runtime *rtd = ss->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct siu_platform *pdata = component->dev->platform_data;
struct siu_info *info = siu_i2s_data;
struct siu_port *port_info = siu_port_info(ss);
@@ -367,7 +334,8 @@
return 0;
}
-static int siu_pcm_close(struct snd_pcm_substream *ss)
+static int siu_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *ss)
{
struct siu_info *info = siu_i2s_data;
struct device *dev = ss->pcm->card->dev;
@@ -389,7 +357,8 @@
return 0;
}
-static int siu_pcm_prepare(struct snd_pcm_substream *ss)
+static int siu_pcm_prepare(struct snd_soc_component *component,
+ struct snd_pcm_substream *ss)
{
struct siu_info *info = siu_i2s_data;
struct siu_port *port_info = siu_port_info(ss);
@@ -435,7 +404,8 @@
return 0;
}
-static int siu_pcm_trigger(struct snd_pcm_substream *ss, int cmd)
+static int siu_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *ss, int cmd)
{
struct siu_info *info = siu_i2s_data;
struct device *dev = ss->pcm->card->dev;
@@ -477,7 +447,9 @@
* So far only resolution of one period is supported, subject to extending the
* dmangine API
*/
-static snd_pcm_uframes_t siu_pcm_pointer_dma(struct snd_pcm_substream *ss)
+static snd_pcm_uframes_t
+siu_pcm_pointer_dma(struct snd_soc_component *component,
+ struct snd_pcm_substream *ss)
{
struct device *dev = ss->pcm->card->dev;
struct siu_info *info = siu_i2s_data;
@@ -512,7 +484,8 @@
return bytes_to_frames(ss->runtime, ptr);
}
-static int siu_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int siu_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
/* card->dev == socdev->dev, see snd_soc_new_pcms() */
struct snd_card *card = rtd->card->snd_card;
@@ -541,62 +514,43 @@
if (ret < 0)
return ret;
- ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
- SNDRV_DMA_TYPE_DEV, NULL,
+ snd_pcm_set_managed_buffer_all(pcm,
+ SNDRV_DMA_TYPE_DEV, card->dev,
SIU_BUFFER_BYTES_MAX, SIU_BUFFER_BYTES_MAX);
- if (ret < 0) {
- dev_err(card->dev,
- "snd_pcm_lib_preallocate_pages_for_all() err=%d",
- ret);
- goto fail;
- }
(*port_info)->pcm = pcm;
- /* IO tasklets */
- tasklet_init(&(*port_info)->playback.tasklet, siu_io_tasklet,
- (unsigned long)&(*port_info)->playback);
- tasklet_init(&(*port_info)->capture.tasklet, siu_io_tasklet,
- (unsigned long)&(*port_info)->capture);
+ /* IO works */
+ INIT_WORK(&(*port_info)->playback.work, siu_io_work);
+ INIT_WORK(&(*port_info)->capture.work, siu_io_work);
}
dev_info(card->dev, "SuperH SIU driver initialized.\n");
return 0;
-
-fail:
- siu_free_port(siu_ports[pdev->id]);
- dev_err(card->dev, "SIU: failed to initialize.\n");
- return ret;
}
-static void siu_pcm_free(struct snd_pcm *pcm)
+static void siu_pcm_free(struct snd_soc_component *component,
+ struct snd_pcm *pcm)
{
struct platform_device *pdev = to_platform_device(pcm->card->dev);
struct siu_port *port_info = siu_ports[pdev->id];
- tasklet_kill(&port_info->capture.tasklet);
- tasklet_kill(&port_info->playback.tasklet);
+ cancel_work_sync(&port_info->capture.work);
+ cancel_work_sync(&port_info->playback.work);
siu_free_port(port_info);
dev_dbg(pcm->card->dev, "%s\n", __func__);
}
-static const struct snd_pcm_ops siu_pcm_ops = {
+const struct snd_soc_component_driver siu_component = {
+ .name = DRV_NAME,
.open = siu_pcm_open,
.close = siu_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = siu_pcm_hw_params,
- .hw_free = siu_pcm_hw_free,
.prepare = siu_pcm_prepare,
.trigger = siu_pcm_trigger,
.pointer = siu_pcm_pointer_dma,
-};
-
-struct snd_soc_component_driver siu_component = {
- .name = DRV_NAME,
- .ops = &siu_pcm_ops,
- .pcm_new = siu_pcm_new,
- .pcm_free = siu_pcm_free,
+ .pcm_construct = siu_pcm_new,
+ .pcm_destruct = siu_pcm_free,
};
EXPORT_SYMBOL_GPL(siu_component);
--
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