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btpower: Enable IPA regulator

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This change add supports to enable IPA regulator along
with AOP message. with out which an switch control line toggle
is required to take AOP message effect.

Change-Id: I75c2c37d7c1668ff208e8e39b2095e3295364b09
Signed-off-by: Balakrishna Godavarthi <quic_bgodavar@quicinc.com>
This commit is contained in:
Balakrishna Godavarthi 2023-08-31 18:52:18 +05:30
parent 342618a075
commit 37a1e92694
2 changed files with 39 additions and 1 deletions
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39
drivers/bluetooth/btpower.c
View File

@ -1455,6 +1455,7 @@ int btpower_aop_mbox_init(struct btpower_platform_data *pdata)
{
struct mbox_client *mbox = &pdata->mbox_client_data;
struct mbox_chan *chan;
struct bt_power_vreg_data *vreg_ipa_info;
int ret = 0;
mbox->dev = &pdata->pdev->dev;
@ -1475,9 +1476,34 @@ int btpower_aop_mbox_init(struct btpower_platform_data *pdata)
&pdata->vreg_ipa);
if (ret)
pr_info("%s: vreg for iPA not configured\n", __func__);
else
else {
pr_info("%s: Mbox channel initialized\n", __func__);
vreg_ipa_info = devm_kzalloc(&pdata->pdev->dev,
sizeof(*vreg_ipa_info),
GFP_KERNEL);
if (!vreg_ipa_info)
return -ENOMEM;
vreg_ipa_info->name = devm_kzalloc(&pdata->pdev->dev,
20,
GFP_KERNEL);
if (!vreg_ipa_info->name)
return -ENOMEM;
strlcpy((char *)vreg_ipa_info->name, "qcom,vreg_ipa", MAX_PROP_SIZE);
vreg_ipa_info->min_vol = 0;
vreg_ipa_info->max_vol = 0;
vreg_ipa_info->load_curr = 0;
ret = bt_dt_parse_vreg_info(&pdata->pdev->dev, vreg_ipa_info);
if (!ret && vreg_ipa_info->reg) {
pr_info("%s: obtained IPA reg handler\n", __func__);
pdata->vreg_ipa_info = vreg_ipa_info;
} else {
pr_warn("%s: failed to obtain IPA reg handler\n",
__func__);
}
return ret;
}
return 0;
}
@ -1490,6 +1516,7 @@ static int btpower_aop_set_vreg_param(struct btpower_platform_data *pdata,
char mbox_msg[BTPOWER_MBOX_MSG_MAX_LEN];
static const char * const vreg_param_str[] = {"v", "m", "e"};
static const char *const tcs_seq_str[] = {"upval", "dwnval", "enable"};
struct bt_power_vreg_data *vreg_ipa_info = pdata->vreg_ipa_info;
int ret = 0;
if (param > BTPOWER_VREG_ENABLE || seq > BTPOWER_TCS_ALL_SEQ || !vreg_name)
@ -1508,6 +1535,16 @@ static int btpower_aop_set_vreg_param(struct btpower_platform_data *pdata,
pr_err("%s:Failed to send AOP mbox msg(%s), err(%d)\n",
__func__, mbox_msg, ret);
if (!vreg_ipa_info) {
pr_warn("%s: IPA regulator entry is missing in dts\n", __func__);
return -EINVAL;
}
if (vreg_ipa_info->reg) {
ret = bt_vreg_enable(vreg_ipa_info);
if (ret < 0)
pr_err("%s: Failed to enable IPA vreg\n", __func__);
}
return ret;
}

1
include/linux/btpower.h
View File

@ -73,6 +73,7 @@ struct btpower_platform_data {
struct mbox_client mbox_client_data;
struct mbox_chan *mbox_chan;
const char *vreg_ipa;
struct bt_power_vreg_data *vreg_ipa_info;
const char *tsens;
#ifdef CONFIG_MSM_BT_OOBS
struct file *reffilp_obs;