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 {
gpio_tlmm_config(GPIO_CFG(gpio_wlan_sys_rest_en, 0, GPIO_CFG_OUTPUT,
GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
GPIO_CFG_ENABLE);
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()))
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;
}
int chip_power_qrf6285(bool on)
{
static bool init_done;
int rc = 0, index = 0;
if (unlikely(!init_done)) {
rc = qrf6285_init_regs();
if (rc)
return rc;
else
init_done = true;
}
if (on) {
rc = gpio_request(WLAN_GPIO_EXT_POR_N, "WLAN_DEEP_SLEEP_N");
if (rc) {
pr_err("WLAN reset GPIO %d request failed %d\n",
WLAN_GPIO_EXT_POR_N, rc);
goto fail;
}
rc = gpio_direction_output(WLAN_GPIO_EXT_POR_N, 1);
if (rc < 0) {
pr_err("WLAN reset GPIO %d set direction failed %d\n",
WLAN_GPIO_EXT_POR_N, rc);
goto fail_gpio_dir_out;
}
rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_A0,
PMAPP_CLOCK_VOTE_ON);
if (rc) {
pr_err("%s: Configuring A0 to always"
" on failed %d\n", __func__, rc);
goto clock_vote_fail;
}
} else {
gpio_set_value_cansleep(WLAN_GPIO_EXT_POR_N, 0);
rc = gpio_direction_input(WLAN_GPIO_EXT_POR_N);
if (rc) {
pr_err("WLAN reset GPIO %d set direction failed %d\n",
WLAN_GPIO_EXT_POR_N, rc);
}
gpio_free(WLAN_GPIO_EXT_POR_N);
rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_A0,
PMAPP_CLOCK_VOTE_OFF);
if (rc) {
pr_err("%s: Configuring A0 to turn OFF"
" failed %d\n", __func__, rc);
}
}
for (index = 0; index < ARRAY_SIZE(vreg_info); index++) {
if (on) {
rc = regulator_set_voltage(vreg_info[index].reg,
vreg_info[index].level_min,
vreg_info[index].level_max);
if (rc) {
pr_err("%s:%s set voltage failed %d\n",
__func__, vreg_info[index].vreg_id, rc);
goto vreg_fail;
}
rc = regulator_enable(vreg_info[index].reg);
if (rc) {
pr_err("%s:%s vreg enable failed %d\n",
__func__, vreg_info[index].vreg_id, rc);
goto vreg_fail;
}
if (vreg_info[index].is_vreg_pin_controlled) {
rc = pmapp_vreg_lpm_pincntrl_vote(id,
vreg_info[index].pmapp_id,
PMAPP_CLOCK_ID_A0, 1);
if (rc) {
pr_err("%s:%s pmapp_vreg_lpm_pincntrl"
" for enable failed %d\n",
__func__,
vreg_info[index].vreg_id, rc);
goto vreg_clock_vote_fail;
}
}
/* */
if (WLAN_VREG_L6 == index) {
/*
*/
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 vreg_clock_vote_fail;
}
}
} else {
if (vreg_info[index].is_vreg_pin_controlled) {
rc = pmapp_vreg_lpm_pincntrl_vote(id,
vreg_info[index].pmapp_id,
PMAPP_CLOCK_ID_A0, 0);
if (rc) {
pr_err("%s:%s pmapp_vreg_lpm_pincntrl"
" for disable failed %d\n",
__func__,
vreg_info[index].vreg_id, rc);
}
}
rc = regulator_disable(vreg_info[index].reg);
if (rc) {
pr_err("%s:%s vreg disable failed %d\n",
__func__, vreg_info[index].vreg_id, rc);
}
}
}
return 0;
vreg_fail:
index--;
vreg_clock_vote_fail:
while (index >= 0) {
rc = regulator_disable(vreg_info[index].reg);
if (rc) {
pr_err("%s:%s vreg disable failed %d\n",
__func__, vreg_info[index].vreg_id, rc);
}
index--;
}
if (!on)
goto fail;
clock_vote_fail:
gpio_set_value_cansleep(WLAN_GPIO_EXT_POR_N, 0);
rc = gpio_direction_input(WLAN_GPIO_EXT_POR_N);
if (rc) {
pr_err("WLAN reset GPIO %d set direction failed %d\n",
WLAN_GPIO_EXT_POR_N, rc);
}
fail_gpio_dir_out:
gpio_free(WLAN_GPIO_EXT_POR_N);
fail:
return rc;
}
