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This commit is contained in:
Maneet Singh
2025-08-04 11:15:02 -07:00
parent d890313300
commit 307159f262
1315 changed files with 477791 additions and 279973 deletions
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96
kernel-open/nvidia/nv-gpio.c
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@@ -30,15 +30,6 @@
#define NV_GPIOF_DIR_IN (1 << 0)
/*!
* @brief Mapping array of OS GPIO function ID to OS function name,
* this name is used to get GPIO number from Device Tree.
*/
static const char *osMapGpioFunc[] = {
[NV_OS_GPIO_FUNC_HOTPLUG_A] = "os_gpio_hotplug_a",
[NV_OS_GPIO_FUNC_HOTPLUG_B] = "os_gpio_hotplug_b",
};
NV_STATUS NV_API_CALL nv_gpio_get_pin_state
(
nv_state_t *nv,
@@ -46,17 +37,13 @@ NV_STATUS NV_API_CALL nv_gpio_get_pin_state
NvU32 *pinValue
)
{
#if NV_SUPPORTS_PLATFORM_DEVICE
int ret;
#if defined(NV_GPIO_GET_VALUE_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
ret = gpio_get_value(pinNum);
#else
nv_printf(NV_DBG_ERRORS, "gpio_get_value not present\n");
return NV_ERR_GENERIC;
#endif
if (ret < 0)
{
nv_printf(NV_DBG_ERRORS, "%s: failed with err: %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: %s: failed with err: %d\n",
__func__, ret);
return NV_ERR_GENERIC;
}
@@ -64,6 +51,10 @@ NV_STATUS NV_API_CALL nv_gpio_get_pin_state
*pinValue = ret;
return NV_OK;
#else
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
return NV_ERR_GENERIC;
#endif
}
void NV_API_CALL nv_gpio_set_pin_state
@@ -73,10 +64,10 @@ void NV_API_CALL nv_gpio_set_pin_state
NvU32 pinValue
)
{
#if defined(NV_GPIO_SET_VALUE_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
#if NV_SUPPORTS_PLATFORM_DEVICE
gpio_set_value(pinNum, pinValue);
#else
nv_printf(NV_DBG_ERRORS, "gpio_set_value not present\n");
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
#endif
}
@@ -87,35 +78,30 @@ NV_STATUS NV_API_CALL nv_gpio_set_pin_direction
NvU32 direction
)
{
#if NV_SUPPORTS_PLATFORM_DEVICE
int ret;
if (direction)
{
#if defined(NV_GPIO_DIRECTION_INPUT_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
ret = gpio_direction_input(pinNum);
#else
nv_printf(NV_DBG_ERRORS, "gpio_direction_input not present\n");
return NV_ERR_GENERIC;
#endif
}
else
{
#if defined(NV_GPIO_DIRECTION_OUTPUT_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
ret = gpio_direction_output(pinNum, 0);
#else
nv_printf(NV_DBG_ERRORS, "gpio_direction_output not present\n");
return NV_ERR_GENERIC;
#endif
}
if (ret)
{
nv_printf(NV_DBG_ERRORS, "%s: failed with err: %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: %s: failed with err: %d\n",
__func__, ret);
return NV_ERR_GENERIC;
}
return NV_OK;
#else
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
return NV_ERR_GENERIC;
#endif
}
NV_STATUS NV_API_CALL nv_gpio_get_pin_direction
@@ -135,7 +121,7 @@ NV_STATUS NV_API_CALL nv_gpio_get_pin_direction
ret = nv_gpio_get_direction(pinNum);
if (ret)
{
nv_printf(NV_DBG_ERRORS, "%s: failed with err: %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: %s: failed with err: %d\n",
__func__, ret);
return NV_ERR_GENERIC;
}
@@ -152,40 +138,44 @@ NV_STATUS NV_API_CALL nv_gpio_get_pin_number
NvU32 *pinNum
)
{
#if NV_SUPPORTS_PLATFORM_DEVICE
nv_linux_state_t *nvl = NV_GET_NVL_FROM_NV_STATE(nv);
int rc;
(void)nvl;
/*!
* @brief Mapping array of OS GPIO function ID to OS function name,
* this name is used to get GPIO number from Device Tree.
*/
static const char *osMapGpioFunc[] = {
[NV_OS_GPIO_FUNC_HOTPLUG_A] = "os_gpio_hotplug_a",
[NV_OS_GPIO_FUNC_HOTPLUG_B] = "os_gpio_hotplug_b",
[NV_OS_GPIO_FUNC_HOTPLUG_C] = "os_gpio_hotplug_c",
[NV_OS_GPIO_FUNC_HOTPLUG_D] = "os_gpio_hotplug_d",
};
#if defined(NV_OF_GET_NAME_GPIO_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
rc = of_get_named_gpio(nvl->dev->of_node, osMapGpioFunc[function], 0);
#else
nv_printf(NV_DBG_ERRORS, "of_get_named_gpio not present\n");
return NV_ERR_GENERIC;
#endif
if (rc < 0)
{
nv_printf(NV_DBG_ERRORS, "of_get_name_gpio failed for gpio - %s, rc - %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: of_get_name_gpio failed for gpio - %s, rc - %d\n",
osMapGpioFunc[function], rc);
return NV_ERR_GENERIC;
}
*pinNum = rc;
#if defined(NV_DEVM_GPIO_REQUEST_ONE_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
rc = devm_gpio_request_one(nvl->dev, *pinNum, NV_GPIOF_DIR_IN,
osMapGpioFunc[function]);
#else
nv_printf(NV_DBG_ERRORS, "devm_gpio_request_one not present\n");
return NV_ERR_GENERIC;
#endif
if (rc < 0)
{
nv_printf(NV_DBG_ERRORS, "request gpio failed for gpio - %s, rc - %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: request gpio failed for gpio - %s, rc - %d\n",
osMapGpioFunc[function], rc);
return NV_ERR_GENERIC;
}
return NV_OK;
#else
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
return NV_ERR_GENERIC;
#endif
}
NvBool NV_API_CALL nv_gpio_get_pin_interrupt_status
@@ -195,6 +185,7 @@ NvBool NV_API_CALL nv_gpio_get_pin_interrupt_status
NvU32 direction
)
{
#if NV_SUPPORTS_PLATFORM_DEVICE
NvU32 irqGpioPin;
NvU32 pinValue;
@@ -209,18 +200,17 @@ NvBool NV_API_CALL nv_gpio_get_pin_interrupt_status
return NV_FALSE;
}
#if defined(NV_GPIO_GET_VALUE_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
pinValue = gpio_get_value(pinNum);
#else
nv_printf(NV_DBG_ERRORS, "gpio_get_value not present\n");
return NV_FALSE;
#endif
if (pinValue != direction)
{
return NV_FALSE;
}
return NV_TRUE;
#else
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
return NV_FALSE;
#endif
}
NV_STATUS NV_API_CALL nv_gpio_set_pin_interrupt
@@ -230,16 +220,12 @@ NV_STATUS NV_API_CALL nv_gpio_set_pin_interrupt
NvU32 trigger_level
)
{
#if NV_SUPPORTS_PLATFORM_DEVICE
nv_linux_state_t *nvl = NV_GET_NVL_FROM_NV_STATE(nv);
int rc;
int irq_num;
#if defined(NV_GPIO_TO_IRQ_PRESENT) && NV_SUPPORTS_PLATFORM_DEVICE
irq_num = gpio_to_irq(pinNum);
#else
nv_printf(NV_DBG_ERRORS, "gpio_to_irq not present\n");
return NV_ERR_GENERIC;
#endif
/*
* Ignore setting interrupt for falling trigger for hotplug gpio pin
@@ -261,7 +247,7 @@ NV_STATUS NV_API_CALL nv_gpio_set_pin_interrupt
"hdmi-hotplug");
if (rc < 0)
{
nv_printf(NV_DBG_ERRORS, "IRQ registration failed for gpio - %d, rc - %d\n",
nv_printf(NV_DBG_ERRORS, "NVRM: IRQ registration failed for gpio - %d, rc - %d\n",
pinNum, rc);
return NV_ERR_GENERIC;
}
@@ -270,4 +256,8 @@ NV_STATUS NV_API_CALL nv_gpio_set_pin_interrupt
disable_irq_nosync(irq_num);
return NV_OK;
#else
nv_printf(NV_DBG_ERRORS, "NVRM: platform device support not present\n");
return NV_ERR_GENERIC;
#endif
}