int mi2s_unconfig_data_gpio(u32 direction, u8 sd_line_mask)
{
int i;
sd_line_mask &= MI2S_SD_LINE_MASK;
if (direction == DIR_TX) {
msm_gpios_disable_free(mi2s_tx_data_lines_gpios, 1);
return 0;
}
if (direction != DIR_RX) {
pr_err("%s: Invaild direction direction = %u\n",
__func__, direction);
return -EINVAL;
}
i = 0;
while (sd_line_mask) {
if (sd_line_mask & 0x1)
msm_gpios_disable_free(
mi2s_rx_data_lines_gpios + i , 1);
sd_line_mask = sd_line_mask >> 1;
i++;
}
return 0;
}
static int a4_ts_hw_init(int on)
{
int rc;
if (on) {
vreg_ts_ldo15 = vreg_get(NULL, "gp6");
if (IS_ERR(vreg_ts_ldo15)) {
pr_err("%s: vreg_ldo15 get failed (%ld)\n",
__func__, PTR_ERR(vreg_ts_ldo15));
return -ENOTSUPP;
}
rc = vreg_set_level(vreg_ts_ldo15, 2850);
if (rc) {
pr_err("%s: vreg set level failed (%d)\n",
__func__, rc);
return rc;
}
rc = vreg_enable(vreg_ts_ldo15);
if (rc) {
pr_err("%s: vreg enable failed (%d)\n",
__func__, rc);
return rc;
}
return msm_gpios_request_enable(ts_config_data,
ARRAY_SIZE(ts_config_data));
} else {
msm_gpios_disable_free(ts_config_data,
ARRAY_SIZE(ts_config_data));
return 0;
}
}
static int msm_sdcc_setup_gpio(int dev_id, unsigned int enable)
{
int rc = 0;
struct sdcc_gpio *curr;
curr = &sdcc_cfg_data[dev_id - 1];
if (!(test_bit(dev_id, &gpio_sts)^enable))
return rc;
if (enable) {
set_bit(dev_id, &gpio_sts);
rc = msm_gpios_request_enable(curr->cfg_data, curr->size);
if (rc)
pr_err("%s: Failed to turn on GPIOs for slot %d\n",
__func__, dev_id);
} else {
clear_bit(dev_id, &gpio_sts);
if (curr->sleep_cfg_data) {
rc = msm_gpios_enable(curr->sleep_cfg_data, curr->size);
msm_gpios_free(curr->sleep_cfg_data, curr->size);
return rc;
}
msm_gpios_disable_free(curr->cfg_data, curr->size);
}
return rc;
}
static int msm7200a_wl1251_remove(struct platform_device *pdev) {
#if MSM7200A_WL1251_HACK
platform_device_unregister(&wl1251_device);
#endif
msm_delete_sdcc(wl1251_priv.pdata->slot_number);
msm_gpios_disable_free(wl1251_priv.gpios.off, wl1251_priv.gpios.off_length);
if (wl1251_priv.vreg) {
vreg_put(wl1251_priv.vreg);
wl1251_priv.vreg = NULL;
}
if (wl1251_priv.pdata->gpio_irq >= 0) {
gpio_free(wl1251_priv.pdata->gpio_irq);
}
if (wl1251_priv.pdata->gpio_enable) {
gpio_free(wl1251_priv.pdata->gpio_enable);
}
if (wl1251_priv.pdata->gpio_reset) {
gpio_free(wl1251_priv.pdata->gpio_reset);
}
if (wl1251_priv.pdata->gpio_32k_osc) {
gpio_free(wl1251_priv.pdata->gpio_32k_osc);
}
wl1251_priv.pdata = NULL;
#if MSM7200A_WL1251_HACK
wl1251_pdata.irq = 0;
#endif
return 0;
}
static int msm7200a_mmc_remove(struct platform_device *pdev) {
msm_delete_sdcc(sdslot_priv.pdata->slot_number);
msm_gpios_disable_free(sdslot_priv.gpios.off, sdslot_priv.gpios.off_length);
if (sdslot_priv.vreg) {
vreg_put(sdslot_priv.vreg);
sdslot_priv.vreg = NULL;
}
if (sdslot_priv.pdata->gpio_detection >= 0) {
set_irq_wake(gpio_to_irq(sdslot_priv.pdata->gpio_detection), 0);
gpio_free(sdslot_priv.pdata->gpio_detection);
}
sdslot_priv.pdata = NULL;
return 0;
}
void pedestal_gpio_release(unsigned int pedestal_type)
{
if(pedestal_type < PEDESTAL_TYPE_UNDEF)
{
spin_lock_irq(&g_pdriverdata->pedestal_lock);
if(g_gpio_irq_state.pedestal_gpio_req_state[pedestal_type] > 0)
{
msm_gpios_disable_free(&pedestal_gpio_cfg[pedestal_type],1);
g_gpio_irq_state.pedestal_gpio_req_state[pedestal_type]--;
}
else
PEDESTAL_ERR("pedestal_gpio_setup: request gpio again!\n");
spin_unlock_irq(&g_pdriverdata->pedestal_lock);
}
}
static void msm7x27a_cfg_smsc911x(void)
{
int res;
res = msm_gpios_request_enable(smsc911x_gpios,
ARRAY_SIZE(smsc911x_gpios));
if (res) {
pr_err("%s: unable to enable gpios for SMSC911x\n", __func__);
return;
}
/* ETH_FIFO_SEL */
res = gpio_direction_output(ETH_FIFO_SEL_GPIO, 0);
if (res) {
pr_err("%s: unable to get direction for gpio %d\n", __func__,
ETH_FIFO_SEL_GPIO);
msm_gpios_disable_free(smsc911x_gpios,
ARRAY_SIZE(smsc911x_gpios));
return;
}
gpio_set_value(ETH_FIFO_SEL_GPIO, 0);
}
int mi2s_unconfig_clk_gpio(void)
{
msm_gpios_disable_free(mi2s_clk_gpios, ARRAY_SIZE(mi2s_clk_gpios));
return 0;
}