static int tcc_bluetooth_probe(struct platform_device *pdev)
{
int rc = 0;
int ret = 0;
printk("[## BT ##] tcc_bluetooth_probe\n");
if( machine_is_tcc8800()|| machine_is_tcc8920()) { // #elif defined (CONFIG_MACH_TCC9300)
//gpio_set_value(TCC_GPEXT1(7), 0); /* BT-ON Disable */
gpio_request(TCC_GPEXT3(2), "bt_wake");
gpio_request(TCC_GPEXT2(4), "bt_reset");
gpio_direction_output(TCC_GPEXT3(2), 0); // output
gpio_direction_output(TCC_GPEXT2(4), 0);
#if defined(CONFIG_TCC_CSR_BC0406_MODULE_SUPPORT) && defined(CONFIG_TCC_CSR_HOST_WAKE_UP)
tcc_gpio_config(TCC_GPB(31), GPIO_FN(0));
gpio_request(TCC_GPEXT3(3), "bt_hwake");
gpio_direction_input(TCC_GPEXT3(3));
#endif // for CSR Bluetooth host wake up
}
else if(machine_is_m801_88() || machine_is_m803())
{
#if defined(CONFIG_TCC_RDA_587X_MODULE_SUPPORT)
gpio_request(TCC_GPA(13), "LDO_ON");
tcc_gpio_config(TCC_GPA(13), GPIO_FN(0));
gpio_direction_output(TCC_GPA(13), 0);
#else
gpio_request(TCC_GPA(13), "bt_reset");
gpio_request(TCC_GPB(22), "BT WAKE");
gpio_direction_output(TCC_GPA(13), 0); // output
gpio_direction_output(TCC_GPB(22), 0); // output
#endif
}
else if(machine_is_tcc8800st())
{
gpio_request(TCC_GPC(31), "bt_power");
gpio_request(TCC_GPD(12), "bt_reset");
gpio_direction_output(TCC_GPC(31), 0); // output
gpio_direction_output(TCC_GPD(12), 0); // output
}
/*
rc = gpio_request(BT_RESET_GPIO, "bcm4330_nreset_gpip");
if (unlikely(rc)) {
return rc;
}
rc = gpio_request(BT_REG_GPIO, "bcm4330_nshutdown_gpio");
if (unlikely(rc)) {
gpio_free(BT_RESET_GPIO);
return rc;
}
*/
bt_rfkill = rfkill_alloc("Telechips Bluetooth", &pdev->dev,
RFKILL_TYPE_BLUETOOTH, &tcc_bt_rfkill_ops,
NULL);
if (unlikely(!bt_rfkill)) {
//gpio_free(BT_RESET_GPIO);
//gpio_free(BT_REG_GPIO);
printk("[## BT ##] rfkill_alloc failed \n");
return -ENOMEM;
}
rc = rfkill_register(bt_rfkill);
if (unlikely(rc)) {
printk("[## BT ##] rfkill_register failed \n");
rfkill_destroy(bt_rfkill);
//gpio_free(BT_RESET_GPIO);
//gpio_free(BT_REG_GPIO);
return -1;
}
printk("[## BT ##] rfkill_register Telechips Bluetooth \n");
rfkill_set_states(bt_rfkill, true, false);
tcc_bt_rfkill_set_power(NULL, true);
#if defined (CONFIG_TCC_BRCM_BCM4330_MODULE_SUPPORT)
ret = bcm_bt_lpm_init(pdev);
if (ret) {
rfkill_unregister(bt_rfkill);
rfkill_destroy(bt_rfkill);
//gpio_free(BT_RESET_GPIO);
//gpio_free(BT_REG_GPIO);
}
#endif
return ret;
}
static int bcm4335_bluetooth_probe(struct platform_device *pdev)
{
int rc = 0;
int ret;
rc = gpio_request(GPIO_BT_EN, "bcm4335_bten_gpio");
if (unlikely(rc)) {
pr_err("[BT] GPIO_BT_EN request failed.\n");
return rc;
}
rc = gpio_request(GPIO_BT_WAKE, "bcm4335_btwake_gpio");
if (unlikely(rc)) {
pr_err("[BT] GPIO_BT_WAKE request failed.\n");
gpio_free(GPIO_BT_EN);
return rc;
}
rc = gpio_request(GPIO_BT_HOST_WAKE, "bcm4335_bthostwake_gpio");
if (unlikely(rc)) {
pr_err("[BT] GPIO_BT_HOST_WAKE request failed.\n");
gpio_free(GPIO_BT_WAKE);
gpio_free(GPIO_BT_EN);
return rc;
}
s3c_gpio_setpull(GPIO_BT_HOST_WAKE, S3C_GPIO_PULL_NONE);
gpio_direction_input(GPIO_BT_HOST_WAKE);
gpio_direction_output(GPIO_BT_WAKE, 0);
gpio_direction_output(GPIO_BT_EN, 0);
bt_rfkill = rfkill_alloc("bcm4335 Bluetooth", &pdev->dev,
RFKILL_TYPE_BLUETOOTH, &bcm4335_bt_rfkill_ops,
NULL);
if (unlikely(!bt_rfkill)) {
pr_err("[BT] bt_rfkill alloc failed.\n");
gpio_free(GPIO_BT_HOST_WAKE);
gpio_free(GPIO_BT_WAKE);
gpio_free(GPIO_BT_EN);
return -ENOMEM;
}
rfkill_init_sw_state(bt_rfkill, 0);
rc = rfkill_register(bt_rfkill);
if (unlikely(rc)) {
pr_err("[BT] bt_rfkill register failed.\n");
rfkill_destroy(bt_rfkill);
gpio_free(GPIO_BT_HOST_WAKE);
gpio_free(GPIO_BT_WAKE);
gpio_free(GPIO_BT_EN);
return -1;
}
rfkill_set_sw_state(bt_rfkill, true);
#ifdef BT_LPM_ENABLE
ret = bcm_bt_lpm_init(pdev);
if (ret) {
rfkill_unregister(bt_rfkill);
rfkill_destroy(bt_rfkill);
gpio_free(GPIO_BT_HOST_WAKE);
gpio_free(GPIO_BT_WAKE);
gpio_free(GPIO_BT_EN);
}
#endif
return rc;
}
static int bcm43455_bluetooth_probe(struct platform_device *pdev)
{
int rc = 0;
#ifdef BT_LPM_ENABLE
int ret;
#endif
pr_err("[BT] bcm43455_bluetooth_probe.\n");
bt_gpio.bt_en = of_get_gpio(pdev->dev.of_node, 0);
if (!gpio_is_valid(bt_gpio.bt_en)) {
pr_err("[BT] bt_gpio.bt_en get gpio failed.\n");
return -EINVAL;
}
rc = gpio_request(bt_gpio.bt_en, "bten_gpio");
if (unlikely(rc)) {
pr_err("[BT] bt_gpio.bt_en request failed.\n");
return rc;
}
bt_gpio.bt_wake =of_get_gpio(pdev->dev.of_node, 1);
if (!gpio_is_valid(bt_gpio.bt_wake)) {
pr_err("[BT] bt_gpio.bt_wake get gpio failed.\n");
return -EINVAL;
}
rc = gpio_request(bt_gpio.bt_wake, "btwake_gpio");
if (unlikely(rc)) {
pr_err("[BT] bt_gpio.bt_wake request failed.\n");
gpio_free(bt_gpio.bt_en);
return rc;
}
bt_gpio.bt_hostwake =of_get_gpio(pdev->dev.of_node, 2);
if (!gpio_is_valid(bt_gpio.bt_hostwake)) {
pr_err("[BT] bt_gpio.bt_hostwake get gpio failed.\n");
return -EINVAL;
}
rc = gpio_request(bt_gpio.bt_hostwake,"bthostwake_gpio");
if (unlikely(rc)) {
pr_err("[BT] bt_gpio.bt_hostwake request failed.\n");
gpio_free(bt_gpio.bt_wake);
gpio_free(bt_gpio.bt_en);
return rc;
}
gpio_direction_input(bt_gpio.bt_hostwake);
gpio_direction_output(bt_gpio.bt_wake, 0);
gpio_direction_output(bt_gpio.bt_en, 0);
bt_rfkill = rfkill_alloc("bcm43455 Bluetooth", &pdev->dev,
RFKILL_TYPE_BLUETOOTH, &bcm43455_bt_rfkill_ops,
NULL);
if (unlikely(!bt_rfkill)) {
pr_err("[BT] bt_rfkill alloc failed.\n");
gpio_free(bt_gpio.bt_hostwake);
gpio_free(bt_gpio.bt_wake);
gpio_free(bt_gpio.bt_en);
return -ENOMEM;
}
rfkill_init_sw_state(bt_rfkill, 0);
rc = rfkill_register(bt_rfkill);
if (unlikely(rc)) {
pr_err("[BT] bt_rfkill register failed.\n");
rfkill_destroy(bt_rfkill);
gpio_free(bt_gpio.bt_hostwake);
gpio_free(bt_gpio.bt_wake);
gpio_free(bt_gpio.bt_en);
return -1;
}
rfkill_set_sw_state(bt_rfkill, true);
#ifdef BT_LPM_ENABLE
ret = bcm_bt_lpm_init(pdev);
if (ret) {
rfkill_unregister(bt_rfkill);
rfkill_destroy(bt_rfkill);
gpio_free(bt_gpio.bt_hostwake);
gpio_free(bt_gpio.bt_wake);
gpio_free(bt_gpio.bt_en);
}
#endif
pr_info("[BT] bcm43455_bluetooth_probe End \n");
return rc;
}
static int bcm43xx_bluetooth_probe(struct platform_device *pdev)
{
bool default_state = true; /* off */
int ret = 0;
int_handler_enabled = false;
#ifdef CONFIG_ACPI
if (ACPI_HANDLE(&pdev->dev)) {
/*
* acpi specific probe
*/
pr_debug("%s for ACPI device %s\n", __func__,
dev_name(&pdev->dev));
if (bcm_bt_lpm_acpi_probe(pdev) < 0)
ret = -EINVAL;
} else
ret = -ENODEV;
#else
ret = bcm43xx_bluetooth_pdata_probe(pdev);
#endif
if (ret < 0) {
pr_err("%s: Cannot register platform data\n", __func__);
goto err_data_probe;
}
ret = gpio_request(bt_lpm.gpio_enable_bt, pdev->name);
if (ret < 0) {
pr_err("%s: Unable to request gpio %d\n", __func__,
bt_lpm.gpio_enable_bt);
goto err_gpio_enable_req;
}
ret = gpio_direction_output(bt_lpm.gpio_enable_bt, 0);
if (ret < 0) {
pr_err("%s: Unable to set int direction for gpio %d\n",
__func__, bt_lpm.gpio_enable_bt);
goto err_gpio_enable_dir;
}
#ifdef LPM_ON
ret = gpio_request(bt_lpm.gpio_host_wake, pdev->name);
if (ret < 0) {
pr_err("%s: Unable to request gpio %d\n",
__func__, bt_lpm.gpio_host_wake);
goto err_gpio_host_wake_req;
}
ret = gpio_direction_input(bt_lpm.gpio_host_wake);
if (ret < 0) {
pr_err("%s: Unable to set direction for gpio %d\n", __func__,
bt_lpm.gpio_host_wake);
goto err_gpio_host_wake_dir;
}
ret = gpio_request(bt_lpm.gpio_wake, pdev->name);
if (ret < 0) {
pr_err("%s: Unable to request gpio %d\n", __func__,
bt_lpm.gpio_wake);
goto err_gpio_wake_req;
}
ret = gpio_direction_output(bt_lpm.gpio_wake, 0);
if (ret < 0) {
pr_err("%s: Unable to set direction for gpio %d\n", __func__,
bt_lpm.gpio_wake);
goto err_gpio_wake_dir;
}
pr_debug("%s: gpio_enable=%d, gpio_wake=%d, gpio_host_wake=%d\n",
__func__,
bt_lpm.gpio_enable_bt,
bt_lpm.gpio_wake,
bt_lpm.gpio_host_wake);
#endif
bt_rfkill = rfkill_alloc("bcm43xx Bluetooth", &pdev->dev,
RFKILL_TYPE_BLUETOOTH, &bcm43xx_bt_rfkill_ops,
NULL);
if (unlikely(!bt_rfkill)) {
ret = -ENOMEM;
goto err_rfkill_alloc;
}
bcm43xx_bt_rfkill_set_power(NULL, default_state);
rfkill_init_sw_state(bt_rfkill, default_state);
ret = rfkill_register(bt_rfkill);
if (unlikely(ret))
goto err_rfkill_register;
#ifdef LPM_ON
ret = bcm_bt_lpm_init(pdev);
if (ret)
goto err_lpm_init;
#endif
return ret;
err_lpm_init:
rfkill_unregister(bt_rfkill);
err_rfkill_register:
rfkill_destroy(bt_rfkill);
err_rfkill_alloc:
#ifdef LPM_ON
err_gpio_wake_dir:
gpio_free(bt_lpm.gpio_wake);
err_gpio_wake_req:
err_gpio_host_wake_dir:
gpio_free(bt_lpm.gpio_host_wake);
err_gpio_host_wake_req:
#endif
err_gpio_enable_dir:
gpio_free(bt_lpm.gpio_enable_bt);
err_gpio_enable_req:
err_data_probe:
return ret;
}
static int bcm2076_bluetooth_probe(struct platform_device *pdev)
{
int rc = 0;
int ret = 0;
pr_debug( "%s: TOP\n",__FUNCTION__);
#if 1
pr_debug( "%s: skipping gpio_request(BT_RESET and BT_REG_GPIO). was done in boardconfig\n",__FUNCTION__);
#else
rc = gpio_request(BT_RESET_GPIO, "bcm2076");
if (unlikely(rc)) {
return rc;
}
rc = gpio_request(BT_REG_GPIO, "bcm2076");
if (unlikely(rc)) {
gpio_free(BT_RESET_GPIO);
return rc;
}
#endif //att already done in board config
#if 1
pr_debug( "%s: clk32kaudio always on. No need to call regulator_get()\n",__FUNCTION__);
#else
clk32kaudio_reg = regulator_get(0, "clk32kaudio");
if (IS_ERR(clk32kaudio_reg)) {
pr_err("clk32kaudio reg not found!\n");
clk32kaudio_reg = NULL;
}
#endif
#if 1
pr_debug( "%s skipping powering on BT_REG_GPIO, already done in board config\n",__FUNCTION__);
#else
gpio_direction_output(BT_REG_GPIO, 1);
gpio_direction_output(BT_RESET_GPIO, 1);
#endif
bt_rfkill = rfkill_alloc("bcm2076 Bluetooth", &pdev->dev,
RFKILL_TYPE_BLUETOOTH, &bcm2076_bt_rfkill_ops,
NULL);
if (unlikely(!bt_rfkill)) {
pr_debug( "%s: rfkill_alloc('bcm2076_Bluetooth') failed, bt_rfkill=%d\n",__FUNCTION__,(int)bt_rfkill);
return -ENOMEM;
}
rc = rfkill_register(bt_rfkill);
if (unlikely(rc)) {
pr_debug( "%s: rfkill_register(bt_rfkill) failed, rc=%d\n",__FUNCTION__,rc);
rfkill_destroy(bt_rfkill);
return -1;
}
rfkill_set_states(bt_rfkill, true, false);
bcm2076_bt_rfkill_set_power(NULL, true);
ret = bcm_bt_lpm_init(pdev);
if (ret) {
pr_debug( "%s: bcm_bt_lpm_init failed, ret=%d\n",__FUNCTION__,ret);
rfkill_unregister(bt_rfkill);
rfkill_destroy(bt_rfkill);
}
pr_debug( "%s: END ret = %d\n",__FUNCTION__,ret);
return ret;
}