void ambarella_disable_usb_port(int owner)
{
#if defined(CONFIG_PLAT_AMBARELLA_SUPPORT_HAL)
#if (CHIP_REV == A5S) || (CHIP_REV == A7)
if (amb_set_usb_interface_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_interface_state fail!\n", __func__);
}
#elif (CHIP_REV == I1)
if (amb_set_usb_port0_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port0_state fail!\n", __func__);
}
/* We disable usb port1 when neither UHC nor UDC use it */
ambarella_usb_port_owner &= (~owner);
if (ambarella_usb_port_owner == 0) {
if (amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
}
#elif (CHIP_REV == S2)
/* We disable usb port when neither UHC nor UDC use it */
ambarella_usb_port_owner &= (~owner);
if (ambarella_usb_port_owner == 0)
amb_set_usb_port_state(HAL_BASE_VP, AMB_USB_OFF);
#elif (CHIP_REV == A7L)
if (amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
#endif
#else
#if (CHIP_REV == A5S) || (CHIP_REV == A7) || (CHIP_REV == A7L)
amba_clrbitsl(ANA_PWR_REG, 0x6);
#elif (CHIP_REV == I1)
amba_clrbitsl(ANA_PWR_REG, 0x3000);
/* We disable usb port when neither UHC nor UDC use it */
ambarella_usb_port_owner &= (~owner);
if (ambarella_usb_port_owner == 0)
amba_clrbitsl(ANA_PWR_REG, 0x6);
#elif (CHIP_REV == S2)
/* We disable usb port when neither UHC nor UDC use it */
ambarella_usb_port_owner &= (~owner);
if (ambarella_usb_port_owner == 0)
amba_clrbitsl(ANA_PWR_REG, 0x6);
#endif
#endif
}
static void ambarella_enable_usb_host(struct ambarella_uhc_controller *pdata)
{
u32 sys_config;
amb_usb_port_state_t state;
sys_config = amba_readl(SYS_CONFIG_REG);
if (sys_config & USB1_IS_HOST)
pdata->usb1_is_host = 1;
if (usb_host_initialized == 1)
return;
usb_host_initialized = 1;
/* GPIO8 and GPIO10 are programmed as hardware mode */
if (sys_config & USB1_IS_HOST)
amba_setbitsl(GPIO0_AFSEL_REG, 0x00000500);
/* GPIO7 and GPIO9 are programmed as hardware mode */
amba_setbitsl(GPIO0_AFSEL_REG, 0x00000280);
/* Reset usb host controller */
if (amb_usb_host_soft_reset(HAL_BASE_VP) != AMB_HAL_SUCCESS)
pr_info("%s: amb_set_usb_port0_state fail!\n", __func__);
/*
* We must enable both of the usb ports first, then we can disable
* usb port1 if it is configured as device port.
*/
state = amb_get_usb_port1_state(HAL_BASE_VP);
if (state != AMB_USB_ON && amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
if (amb_set_usb_port0_state(HAL_BASE_VP, AMB_USB_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port0_state fail!\n", __func__);
}
if (!(sys_config & USB1_IS_HOST) && state != AMB_USB_ON) {
if (amb_set_usb_port1_state(HAL_BASE_VP, state)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
}
}
static void ambarella_disable_usb_host(void)
{
u32 sys_config;
if (usb_host_initialized == 0)
return;
usb_host_initialized = 0;
sys_config = amba_readl(SYS_CONFIG_REG);
if (amb_set_usb_port0_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port0_state fail!\n", __func__);
}
if (sys_config & USB1_IS_HOST) {
if (amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_OFF)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
}
}
void ambarella_enable_usb_port(int owner)
{
#if defined(CONFIG_PLAT_AMBARELLA_SUPPORT_HAL)
#if (CHIP_REV == A5S)
amb_usb_interface_state_t state;
state = amb_get_usb_interface_state(HAL_BASE_VP);
if (state != AMB_USB_ALWAYS_ON && amb_set_usb_interface_state(HAL_BASE_VP, AMB_USB_ALWAYS_ON)
!= AMB_HAL_SUCCESS) {
pr_info("amb_set_usb_interface_state() failed");
}
#elif (CHIP_REV == A7)
amb_usb_interface_state_t state;
state = amb_get_usb_interface_state(HAL_BASE_VP);
if (state != AMB_USB_ON && amb_set_usb_interface_state(HAL_BASE_VP, AMB_USB_ON)
!= AMB_HAL_SUCCESS) {
pr_info("amb_set_usb_interface_state() failed");
}
#elif (CHIP_REV == I1)
amb_usb_port_state_t state;
ambarella_usb_port_owner |= owner;
/* We must enable usb port1 first. Note: no matter usb port1 is
* configured as Host or Slave, we always enable it. */
state = amb_get_usb_port1_state(HAL_BASE_VP);
if (state != AMB_USB_ON && amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port1_state fail!\n", __func__);
}
/* Then we enable usb port0. */
state = amb_get_usb_port0_state(HAL_BASE_VP);
if (state != AMB_USB_ON && amb_set_usb_port0_state(HAL_BASE_VP, AMB_USB_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port0_state fail!\n", __func__);
}
#elif (CHIP_REV == S2)
amb_usb_port_state_t state;
ambarella_usb_port_owner |= owner;
/* Enable usb port (usbphy), and it may have been enabled before. */
state = amb_get_usb_port_state(HAL_BASE_VP);
if (state != AMB_USB_ALWAYS_ON && amb_set_usb_port_state(HAL_BASE_VP, AMB_USB_ALWAYS_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port_state fail!\n", __func__);
}
#elif (CHIP_REV == A7L)
amb_usb_port_state_t state;
/* Enable usb port (usbphy), and it may have been enabled before. */
state = amb_get_usb_port1_state(HAL_BASE_VP);
if (state != AMB_USB_ALWAYS_ON && amb_set_usb_port1_state(HAL_BASE_VP, AMB_USB_ALWAYS_ON)
!= AMB_HAL_SUCCESS) {
pr_info("%s: amb_set_usb_port_state fail!\n", __func__);
}
#endif
#else
#if (CHIP_REV == A5S) || (CHIP_REV == A7L)
amba_setbitsl(ANA_PWR_REG, 0x4); /* always on */
#elif (CHIP_REV == A7)
amba_setbitsl(ANA_PWR_REG, 0x2); /* on */
#elif (CHIP_REV == I1)
ambarella_usb_port_owner |= owner;
/* We must enable usb port1 first. Note: no matter usb port1 is
* configured as Host or Slave, we always enable it. */
amba_setbitsl(ANA_PWR_REG, 0x2); /* on */
amba_setbitsl(ANA_PWR_REG, 0x1000); /* on */
#elif (CHIP_REV == S2)
ambarella_usb_port_owner |= owner;
amba_setbitsl(ANA_PWR_REG, 0x4); /* always on */
#endif
#endif
}
