From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/sound/soc/intel/atom/sst-mfld-platform-pcm.c | 118 ++++++++++++++++++++++------------------------------------
1 files changed, 45 insertions(+), 73 deletions(-)
diff --git a/kernel/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/kernel/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 682ee41..255b4d5 100644
--- a/kernel/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/kernel/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_mfld_platform.c - Intel MID Platform driver
*
@@ -5,15 +6,6 @@
* Author: Vinod Koul <vinod.koul@intel.com>
* Author: Harsha Priya <priya.harsha@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * 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.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
@@ -190,7 +182,7 @@
map = ctx->pdata->pdev_strm_map;
map_size = ctx->pdata->strm_map_size;
- if (is_compress == true)
+ if (is_compress)
cstream = (struct snd_compr_stream *)substream;
else
pstream = (struct snd_pcm_substream *)substream;
@@ -281,7 +273,7 @@
{
struct sst_runtime_stream *stream =
substream->runtime->private_data;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int ret_val;
dev_dbg(rtd->dev, "setting buffer ptr param\n");
@@ -340,6 +332,17 @@
if (ret_val < 0)
goto out_power_up;
+ /*
+ * Make sure the period to be multiple of 1ms to align the
+ * design of firmware. Apply same rule to buffer size to make
+ * sure alsa could always find a value for period size
+ * regardless the buffer size given by user space.
+ */
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 48);
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 48);
+
/* Make sure, that the period size is always even */
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIODS, 2);
@@ -373,7 +376,7 @@
struct snd_soc_dai *dai)
{
struct sst_runtime_stream *stream;
- int ret_val = 0, str_id;
+ int ret_val, str_id;
stream = substream->runtime->private_data;
str_id = stream->stream_info.str_id;
@@ -392,28 +395,7 @@
if (ret_val)
return ret_val;
substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;
- return ret_val;
-}
-
-static int sst_media_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- int ret;
-
- ret =
- snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(params));
- if (ret)
- return ret;
- memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
return 0;
-}
-
-static int sst_media_hw_free(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- return snd_pcm_lib_free_pages(substream);
}
static int sst_enable_ssp(struct snd_pcm_substream *substream,
@@ -421,7 +403,7 @@
{
int ret = 0;
- if (!dai->active) {
+ if (!snd_soc_dai_active(dai)) {
ret = sst_handle_vb_timer(dai, true);
sst_fill_ssp_defaults(dai);
}
@@ -434,7 +416,7 @@
{
int ret = 0;
- if (dai->active == 1)
+ if (snd_soc_dai_active(dai) == 1)
ret = send_ssp_cmd(dai, dai->name, 1);
return ret;
}
@@ -443,7 +425,7 @@
{
int ret = 0;
- if (!dai->active)
+ if (!snd_soc_dai_active(dai))
return 0;
ret = sst_fill_ssp_config(dai, fmt);
@@ -458,7 +440,7 @@
int slots, int slot_width) {
int ret = 0;
- if (!dai->active)
+ if (!snd_soc_dai_active(dai))
return ret;
ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width);
@@ -471,7 +453,7 @@
static void sst_disable_ssp(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- if (!dai->active) {
+ if (!snd_soc_dai_active(dai)) {
send_ssp_cmd(dai, dai->name, 0);
sst_handle_vb_timer(dai, false);
}
@@ -481,8 +463,6 @@
.startup = sst_media_open,
.shutdown = sst_media_close,
.prepare = sst_media_prepare,
- .hw_params = sst_media_hw_params,
- .hw_free = sst_media_hw_free,
.mute_stream = sst_media_digital_mute,
};
@@ -594,7 +574,8 @@
},
};
-static int sst_platform_open(struct snd_pcm_substream *substream)
+static int sst_soc_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
@@ -606,15 +587,15 @@
return 0;
}
-static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,
- int cmd)
+static int sst_soc_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
int ret_val = 0, str_id;
struct sst_runtime_stream *stream;
int status;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- dev_dbg(rtd->dev, "sst_platform_pcm_trigger called\n");
+ dev_dbg(rtd->dev, "%s called\n", __func__);
if (substream->pcm->internal)
return 0;
stream = substream->runtime->private_data;
@@ -654,13 +635,13 @@
}
-static snd_pcm_uframes_t sst_platform_pcm_pointer
- (struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t sst_soc_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct sst_runtime_stream *stream;
int ret_val, status;
struct pcm_stream_info *str_info;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
stream = substream->runtime->private_data;
status = sst_get_stream_status(stream);
@@ -676,31 +657,20 @@
return str_info->buffer_ptr;
}
-static const struct snd_pcm_ops sst_platform_ops = {
- .open = sst_platform_open,
- .ioctl = snd_pcm_lib_ioctl,
- .trigger = sst_platform_pcm_trigger,
- .pointer = sst_platform_pcm_pointer,
-};
-
-static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int sst_soc_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_pcm *pcm = rtd->pcm;
- int retval = 0;
if (dai->driver->playback.channels_min ||
dai->driver->capture.channels_min) {
- retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_set_managed_buffer_all(pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
snd_dma_continuous_data(GFP_DMA),
SST_MIN_BUFFER, SST_MAX_BUFFER);
- if (retval) {
- dev_err(rtd->dev, "dma buffer allocation failure\n");
- return retval;
- }
}
- return retval;
+ return 0;
}
static int sst_soc_probe(struct snd_soc_component *component)
@@ -722,9 +692,11 @@
.name = DRV_NAME,
.probe = sst_soc_probe,
.remove = sst_soc_remove,
- .ops = &sst_platform_ops,
- .compr_ops = &sst_platform_compr_ops,
- .pcm_new = sst_pcm_new,
+ .open = sst_soc_open,
+ .trigger = sst_soc_trigger,
+ .pointer = sst_soc_pointer,
+ .compress_ops = &sst_platform_compress_ops,
+ .pcm_construct = sst_soc_pcm_new,
};
static int sst_platform_probe(struct platform_device *pdev)
@@ -779,10 +751,10 @@
snd_soc_poweroff(drv->soc_card->dev);
/* set the SSPs to idle */
- list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
- struct snd_soc_dai *dai = rtd->cpu_dai;
+ for_each_card_rtds(drv->soc_card, rtd) {
+ struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
- if (dai->active) {
+ if (snd_soc_dai_active(dai)) {
send_ssp_cmd(dai, dai->name, 0);
sst_handle_vb_timer(dai, false);
}
@@ -800,10 +772,10 @@
return;
/* restart SSPs */
- list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
- struct snd_soc_dai *dai = rtd->cpu_dai;
+ for_each_card_rtds(drv->soc_card, rtd) {
+ struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
- if (dai->active) {
+ if (snd_soc_dai_active(dai)) {
sst_handle_vb_timer(dai, true);
send_ssp_cmd(dai, dai->name, 1);
}
--
Gitblit v1.6.2