static unsigned int msm_AR600X_setup_power(bool on)
{
int rc = 0;
static bool init_done;
if (wlan_powered_up) {
pr_info("WLAN already powered up\n");
return 0;
}
if (unlikely(!init_done)) {
gpio_wlan_config();
rc = qrf6285_init_regs();
if (rc) {
pr_err("%s: qrf6285 init failed = %d\n", __func__, rc);
return rc;
} else {
init_done = true;
}
}
rc = wlan_switch_regulators(on);
if (rc) {
pr_err("%s: wlan_switch_regulators error = %d\n", __func__, rc);
goto out;
}
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1()) {
rc = gpio_tlmm_config(GPIO_CFG(GPIO_WLAN_3V3_EN, 0,
GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
GPIO_CFG_2MA), GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s gpio_tlmm_config 119 failed,error = %d\n",
__func__, rc);
goto reg_disable;
}
gpio_set_value(GPIO_WLAN_3V3_EN, 1);
}
/*
* gpio_wlan_sys_rest_en is not from the GPIO expander for QRD7627a,
* EVB1.0 and QRD8625,so the below step is required for those devices.
*/
if (machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb()
|| machine_is_msm8625_evb()
|| machine_is_msm8625_evt()
|| machine_is_msm7627a_qrd3()
|| machine_is_msm8625_qrd7()) {
rc = gpio_tlmm_config(GPIO_CFG(gpio_wlan_sys_rest_en, 0,
GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
GPIO_CFG_2MA), GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s gpio_tlmm_config 119 failed,error = %d\n",
__func__, rc);
goto qrd_gpio_fail;
}
gpio_set_value(gpio_wlan_sys_rest_en, 1);
} else {
rc = gpio_request(gpio_wlan_sys_rest_en, "WLAN_DEEP_SLEEP_N");
if (rc) {
pr_err("%s: WLAN sys_rest_en GPIO %d request failed %d\n",
__func__,
gpio_wlan_sys_rest_en, rc);
goto qrd_gpio_fail;
}
rc = setup_wlan_gpio(on);
if (rc) {
pr_err("%s: wlan_set_gpio = %d\n", __func__, rc);
goto gpio_fail;
}
}
/* Enable the A0 clock */
rc = setup_wlan_clock(on);
if (rc) {
pr_err("%s: setup_wlan_clock = %d\n", __func__, rc);
goto set_gpio_fail;
}
/* Configure A0 clock to be slave to WLAN_CLK_PWR_REQ */
rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_A0,
PMAPP_CLOCK_VOTE_PIN_CTRL);
if (rc) {
pr_err("%s: Configuring A0 to Pin controllable failed %d\n",
__func__, rc);
goto set_clock_fail;
}
pr_info("WLAN power-up success\n");
wlan_powered_up = true;
return 0;
set_clock_fail:
setup_wlan_clock(0);
set_gpio_fail:
setup_wlan_gpio(0);
gpio_fail:
if (!(machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb() ||
machine_is_msm8625_evb() || machine_is_msm8625_evt() ||
machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7() ||
machine_is_msm8625q_evbd() || machine_is_qrd_skud_prime()))
gpio_free(gpio_wlan_sys_rest_en);
qrd_gpio_fail:
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1())
gpio_free(GPIO_WLAN_3V3_EN);
reg_disable:
wlan_switch_regulators(0);
out:
pr_info("WLAN power-up failed\n");
wlan_powered_up = false;
return rc;
}
static unsigned int msm_AR600X_shutdown_power(bool on)
{
int rc = 0;
if (!wlan_powered_up) {
pr_info("WLAN is not powered up, returning success\n");
return 0;
}
/* Disable the A0 clock */
rc = setup_wlan_clock(on);
if (rc) {
pr_err("%s: setup_wlan_clock = %d\n", __func__, rc);
goto set_clock_fail;
}
/*
* gpio_wlan_sys_rest_en is not from the GPIO expander for QRD7627a,
* EVB1.0 and QRD8625,so the below step is required for those devices.
*/
if (machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb()
|| machine_is_msm8625_evb()
|| machine_is_msm8625_evt()
|| machine_is_msm7627a_qrd3()
|| machine_is_msm8625_qrd7()
|| machine_is_msm8625q_evbd()
|| machine_is_qrd_skud_prime()) {
rc = gpio_tlmm_config(GPIO_CFG(gpio_wlan_sys_rest_en, 0,
GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
GPIO_CFG_2MA), GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s gpio_tlmm_config 119 failed,error = %d\n",
__func__, rc);
goto gpio_fail;
}
gpio_set_value(gpio_wlan_sys_rest_en, 0);
} else {
#ifdef CONFIG_HUAWEI_KERNEL
/* rollback to 1030 baseline */
gpio_request(gpio_wlan_sys_rest_en, "WLAN_DEEP_SLEEP_N");
rc = setup_wlan_gpio(on);
if (rc) {
pr_err("%s: wlan_set_gpio = %d\n", __func__, rc);
goto set_gpio_fail;
}
gpio_free(gpio_wlan_sys_rest_en);
#else
rc = setup_wlan_gpio(on);
if (rc) {
pr_err("%s: setup_wlan_gpio = %d\n", __func__, rc);
goto set_gpio_fail;
}
gpio_free(gpio_wlan_sys_rest_en);
#endif
}
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1()) {
rc = gpio_tlmm_config(GPIO_CFG(GPIO_WLAN_3V3_EN, 0,
GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
GPIO_CFG_2MA), GPIO_CFG_ENABLE);
if (rc) {
pr_err("%s gpio_tlmm_config 119 failed,error = %d\n",
__func__, rc);
goto qrd_gpio_fail;
}
gpio_set_value(GPIO_WLAN_3V3_EN, 0);
}
rc = wlan_switch_regulators(on);
if (rc) {
pr_err("%s: wlan_switch_regulators error = %d\n",
__func__, rc);
goto reg_disable;
}
wlan_powered_up = false;
pr_info("WLAN power-down success\n");
return 0;
set_clock_fail:
setup_wlan_clock(0);
set_gpio_fail:
setup_wlan_gpio(0);
gpio_fail:
if (!(machine_is_msm7627a_qrd1() || machine_is_msm7627a_evb() ||
machine_is_msm8625_evb() || machine_is_msm8625_evt() ||
machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()))
gpio_free(gpio_wlan_sys_rest_en);
qrd_gpio_fail:
/* GPIO_WLAN_3V3_EN is only required for the QRD7627a */
if (machine_is_msm7627a_qrd1())
gpio_free(GPIO_WLAN_3V3_EN);
reg_disable:
wlan_switch_regulators(0);
#ifndef CONFIG_HUAWEI_KERNEL
out:
pr_info("WLAN power-down failed\n");
#endif
return rc;
}