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ASoC: lahaina: add support for CPS speaker protection

Bladeren bron 
Add support to parse static cps configuration from dt.
Add support to send cps configuration for speaker protection
usecases.

Change-Id: I0166a378f24cedef07393bdbb8618df944c62984
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
This commit is contained in:
Vignesh Kulothungan
2020-08-06 14:23:27 -07:00
bovenliggende 3fa8c9411f
commit 7902b497b5
1 gewijzigde bestanden met toevoegingen van 221 en 1 verwijderingen
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222
asoc/lahaina.c
Bestand weergeven

@@ -73,7 +73,6 @@
#define WCD_MBHC_HS_V_MAX 1600
#define TDM_CHANNEL_MAX 8
#define DEV_NAME_STR_LEN 32
#define MSM_LL_QOS_VALUE 300 /* time in us to ensure LPM doesn't go in C3/C4 */
@@ -83,6 +82,8 @@
#define WCN_CDC_SLIM_TX_CH_MAX 2
#define WCN_CDC_SLIM_TX_CH_MAX_LITO 3
#define SWR_MAX_SLAVE_DEVICES 6
enum {
RX_PATH = 0,
TX_PATH,
@@ -195,6 +196,8 @@ struct msm_asoc_mach_data {
u32 wsa_max_devs;
u32 tdm_max_slots; /* Max TDM slots used */
int wcd_disabled;
int (*get_wsa_dev_num)(struct snd_soc_component*);
struct afe_cps_hw_intf_cfg cps_config;
};
struct tdm_port {
@@ -5017,6 +5020,106 @@ static int msm_snd_cdc_dma_startup(struct snd_pcm_substream *substream)
return ret;
}
static int send_cps_config(struct snd_soc_pcm_runtime *rtd,
u32 num_ch, u32 ch_mask)
{
int i = 0;
int ret = 0;
int val = 0;
u8 dev_num = 0;
int param_size = 0;
int ch_configured = 0;
char wsa_cdc_name[DEV_NAME_STR_LEN];
struct snd_soc_component *component = NULL;
struct snd_soc_dai_link *dai_link = rtd->dai_link;
struct msm_asoc_mach_data *pdata =
snd_soc_card_get_drvdata(rtd->card);
if (!pdata) {
pr_err("%s: pdata is NULL\n", __func__);
return -EINVAL;
}
if (!num_ch) {
pr_err("%s: channel count is 0\n", __func__);
return -EINVAL;
}
if (!pdata->get_wsa_dev_num) {
pr_err("%s: get_wsa_dev_num is NULL\n", __func__);
return -EINVAL;
}
if (!pdata->cps_config.spkr_dep_cfg) {
pr_err("%s: spkr_dep_cfg is NULL\n", __func__);
return -EINVAL;
}
if (!pdata->cps_config.hw_reg_cfg.lpass_wr_cmd_reg_phy_addr ||
!pdata->cps_config.hw_reg_cfg.lpass_rd_cmd_reg_phy_addr ||
!pdata->cps_config.hw_reg_cfg.lpass_rd_fifo_reg_phy_addr) {
pr_err("%s: cps static configuration is not set\n", __func__);
return -EINVAL;
}
pdata->cps_config.lpass_hw_intf_cfg_mode = 1;
while (ch_configured < num_ch) {
if (!(ch_mask & (1 << i))) {
i++;
continue;
}
snprintf(wsa_cdc_name, sizeof(wsa_cdc_name), "wsa-codec.%d",
i+1);
component = snd_soc_rtdcom_lookup(rtd, wsa_cdc_name);
if (!component) {
pr_err("%s: %s component is NULL\n", __func__,
wsa_cdc_name);
return -EINVAL;
}
dev_num = pdata->get_wsa_dev_num(component);
if (dev_num < 0 || dev_num > SWR_MAX_SLAVE_DEVICES) {
pr_err("%s: invalid slave dev num : %d\n", __func__,
dev_num);
return -EINVAL;
}
/* Clear stale dev num info */
pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr &= 0xFFFF;
pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr &= 0xFFFF;
val = 0;
/* bits 20:23 carry swr device number */
val |= dev_num << 20;
/* bits 24:27 carry read length in bytes */
val |= 1 << 24;
/* Update dev num in packed reg addr */
pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr |= val;
pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr |= val;
i++;
ch_configured++;
}
param_size = sizeof(struct afe_cps_hw_intf_cfg) -
sizeof(pdata->cps_config.spkr_dep_cfg) +
(sizeof(struct lpass_swr_spkr_dep_cfg_t)
* pdata->cps_config.hw_reg_cfg.num_spkr);
ret = afe_send_cps_config(msm_get_port_id(dai_link->id),
&pdata->cps_config, param_size);
if (ret) {
pr_err("%s: afe_send_cps_cfg failed\n", __func__);
}
return ret;
}
static int msm_snd_cdc_dma_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@@ -5065,6 +5168,11 @@ static int msm_snd_cdc_dma_hw_params(struct snd_pcm_substream *substream,
goto err;
}
if (dai_link->id == MSM_BACKEND_DAI_WSA_CDC_DMA_RX_0 ||
dai_link->id == MSM_BACKEND_DAI_WSA_CDC_DMA_RX_1) {
send_cps_config(rtd, user_set_rx_ch,
rx_ch_cdc_dma);
}
}
break;
}
@@ -7831,6 +7939,115 @@ static int msm_audio_ssr_register(struct device *dev)
return ret;
}
static void parse_cps_configuration(struct platform_device *pdev,
struct msm_asoc_mach_data *pdata)
{
int ret = 0;
int i = 0, j = 0;
u32 dt_values[MAX_CPS_LEVELS];
if (!pdev || !pdata || !pdata->wsa_max_devs)
return;
pdata->get_wsa_dev_num = wsa883x_codec_get_dev_num;
pdata->cps_config.hw_reg_cfg.num_spkr = pdata->wsa_max_devs;
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_reg_phy_addr", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]));
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_reg_phy_addr");
} else {
pdata->cps_config.hw_reg_cfg.lpass_wr_cmd_reg_phy_addr =
dt_values[0];
pdata->cps_config.hw_reg_cfg.lpass_rd_cmd_reg_phy_addr =
dt_values[1];
pdata->cps_config.hw_reg_cfg.lpass_rd_fifo_reg_phy_addr =
dt_values[2];
}
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_threshold_levels", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]) - 1);
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_threshold_levels");
} else {
pdata->cps_config.hw_reg_cfg.vbatt_lower2_threshold =
dt_values[0];
pdata->cps_config.hw_reg_cfg.vbatt_lower1_threshold =
dt_values[1];
}
pdata->cps_config.spkr_dep_cfg = devm_kzalloc(&pdev->dev,
sizeof(struct lpass_swr_spkr_dep_cfg_t)
* pdata->wsa_max_devs, GFP_KERNEL);
if (!pdata->cps_config.spkr_dep_cfg) {
dev_err(&pdev->dev, "%s: spkr dep cfg alloc failed\n", __func__);
return;
}
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_wsa_vbatt_temp_reg_addr", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]) - 1);
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_wsa_vbatt_temp_reg_addr");
} else {
for (i = 0; i < pdata->wsa_max_devs; i++) {
pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr =
dt_values[0];
pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr =
dt_values[1];
}
}
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_normal_values", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]));
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_normal_values");
} else {
for (i = 0; i < pdata->wsa_max_devs; i++) {
for (j = 0; j < MAX_CPS_LEVELS; j++) {
pdata->cps_config.spkr_dep_cfg[i].
value_normal_thrsd[j] = dt_values[j];
}
}
}
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_lower1_values", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]));
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_lower1_values");
} else {
for (i = 0; i < pdata->wsa_max_devs; i++) {
for (j = 0; j < MAX_CPS_LEVELS; j++) {
pdata->cps_config.spkr_dep_cfg[i].
value_low1_thrsd[j] = dt_values[j];
}
}
}
ret = of_property_read_u32_array(pdev->dev.of_node,
"qcom,cps_lower2_values", dt_values,
sizeof(dt_values)/sizeof(dt_values[0]));
if (ret) {
dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "qcom,cps_lower2_values");
} else {
for (i = 0; i < pdata->wsa_max_devs; i++) {
for (j = 0; j < MAX_CPS_LEVELS; j++) {
pdata->cps_config.spkr_dep_cfg[i].
value_low2_thrsd[j] = dt_values[j];
}
}
}
}
static int msm_asoc_machine_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = NULL;
@@ -8020,6 +8237,9 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
for (index = PRIM_MI2S; index < MI2S_MAX; index++)
atomic_set(&(pdata->mi2s_gpio_ref_count[index]), 0);
/* parse cps configuration from dt */
parse_cps_configuration(pdev, pdata);
/* Register LPASS audio hw vote */
lpass_audio_hw_vote = devm_clk_get(&pdev->dev, "lpass_audio_hw_vote");
if (IS_ERR(lpass_audio_hw_vote)) {