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asoc: get and update audio core list from device tree

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Change-Id: I155576a4c136e5e0570dff0f2b598afbfc0ab872
Signed-off-by: MingShu Pang <quic_mpang@quicinc.com>
This commit is contained in:
MingShu Pang
2023-03-15 18:31:24 +08:00
parent 4a9a5e71ea
commit 51ff3d008d
1 changed files with 45 additions and 4 deletions
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49
asoc/msm_common.c
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@@ -84,6 +84,7 @@ static const struct snd_pcm_hardware dummy_dma_hardware = {
};
#define MAX_USR_INPUT 10
#define MAX_AUDIO_CPU_CORE_NUM 2
static int qos_vote_status;
static bool lpi_pcm_logging_enable;
@@ -92,8 +93,8 @@ static unsigned int vote_against_sleep_cnt;
static struct dev_pm_qos_request latency_pm_qos_req; /* pm_qos request */
static unsigned int qos_client_active_cnt;
/* set audio task affinity to core 1 & 2 */
static const unsigned int audio_core_list[] = {1, 2};
static uint32_t *audio_core_list = NULL;
static uint32_t audio_core_num = MAX_AUDIO_CPU_CORE_NUM;
static cpumask_t audio_cpu_map = CPU_MASK_NONE;
static struct dev_pm_qos_request *msm_audio_req = NULL;
static bool kregister_pm_qos_latency_controls = false;
@@ -645,7 +646,7 @@ static void msm_audio_add_qos_request(void)
if (!msm_audio_req)
return;
for (i = 0; i < ARRAY_SIZE(audio_core_list); i++) {
for (i = 0; i < audio_core_num; i++) {
if (audio_core_list[i] >= num_possible_cpus())
pr_err("%s incorrect cpu id: %d specified.\n",
__func__, audio_core_list[i]);
@@ -689,7 +690,7 @@ int msm_common_snd_init(struct platform_device *pdev, struct snd_soc_card *card)
int count, ret = 0;
uint32_t val_array[MI2S_TDM_AUXPCM_MAX] = {0};
struct clk *lpass_audio_hw_vote = NULL;
uint32_t *core_val_array = NULL;
common_pdata = kcalloc(1, sizeof(struct msm_common_pdata), GFP_KERNEL);
if (!common_pdata)
return -ENOMEM;
@@ -793,8 +794,48 @@ int msm_common_snd_init(struct platform_device *pdev, struct snd_soc_card *card)
msm_common_set_pdata(card, common_pdata);
/* Add QoS request for audio tasks */
core_val_array = devm_kcalloc(&pdev->dev, num_possible_cpus(), sizeof(uint32_t), GFP_KERNEL);
if (!core_val_array) {
dev_info(&pdev->dev, "%s: core val array is nullptr\n", __func__);
goto exit;
}
ret = of_property_read_variable_u32_array(pdev->dev.of_node, "qcom,audio-core-list",
core_val_array, 0, num_possible_cpus());
dev_info(&pdev->dev, "%s: getting the core list size:%d, num_possible_cpus:%d \n",
__func__, ret, num_possible_cpus());
if (ret > 0 && (ret <= num_possible_cpus())) {
audio_core_num = ret;
audio_core_list = devm_kcalloc(&pdev->dev, audio_core_num, sizeof(uint32_t), GFP_KERNEL);
if (!audio_core_list) {
dev_info(&pdev->dev, "%s: calloc failed for audio core list\n", __func__);
goto exit;
}
for (count = 0; count < audio_core_num; count++) {
audio_core_list[count] = core_val_array[count];
dev_info(&pdev->dev, "%s: update core %d\n", __func__, core_val_array[count]);
}
} else {
dev_info(&pdev->dev, "%s: keep default core\n", __func__);
audio_core_list = devm_kcalloc(&pdev->dev, audio_core_num, sizeof(uint32_t), GFP_KERNEL);
/* set audio task affinity to core 1 & 2 as default*/
if (!audio_core_list) {
dev_info(&pdev->dev, "%s: calloc failed for audio core list\n", __func__);
goto exit;
}
audio_core_list[0] = 1;
audio_core_list[1] = 2;
}
msm_audio_add_qos_request();
exit:
if (audio_core_list) {
devm_kfree(&pdev->dev, audio_core_list);
audio_core_list = NULL;
}
if (core_val_array) {
devm_kfree(&pdev->dev, core_val_array);
}
return 0;
};