diff options
Diffstat (limited to 'drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h')
| -rw-r--r-- | drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h | 81 |
1 files changed, 40 insertions, 41 deletions
diff --git a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h index 575c1fb6113..5e4deeb47c8 100644 --- a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h +++ b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/platform/mali_platform.h @@ -13,11 +13,10 @@ * Platform specific Mali driver functions */ -#include "mali_osk.h" +#ifndef __MALI_PLATFORM_H__ +#define __MALI_PLATFORM_H__ -#if USING_MALI_PMM -#include "mali_pmm.h" -#endif +#include "mali_osk.h" #if !USING_MALI_PMM /* @brief System power up/down cores that can be passed into mali_platform_powerdown/up() */ @@ -28,51 +27,54 @@ extern "C" { #endif +/** @brief description of power change reasons + */ +typedef enum mali_power_mode_tag +{ + MALI_POWER_MODE_ON, + MALI_POWER_MODE_LIGHT_SLEEP, + MALI_POWER_MODE_DEEP_SLEEP, +} mali_power_mode; + /** @brief Platform specific setup and initialisation of MALI - * + * * This is called from the entrypoint of the driver to initialize the platform - * When using PMM, it is also called from the PMM start up to initialise the - * system PMU * - * @param resource This is NULL when called on first driver start up, else it will - * be a pointer to a PMU resource * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. */ -_mali_osk_errcode_t mali_platform_init(_mali_osk_resource_t *resource); +_mali_osk_errcode_t mali_platform_init(void); /** @brief Platform specific deinitialisation of MALI - * + * * This is called on the exit of the driver to terminate the platform - * When using PMM, it is also called from the PMM termination code to clean up the - * system PMU * - * @param type This is NULL when called on driver exit, else it will - * be a pointer to a PMU resource type (not the full resource) * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. */ -_mali_osk_errcode_t mali_platform_deinit(_mali_osk_resource_type_t *type); +_mali_osk_errcode_t mali_platform_deinit(void); /** @brief Platform specific powerdown sequence of MALI - * - * Called as part of platform init if there is no PMM support, else the - * PMM will call it. * - * @param cores This is MALI_PLATFORM_SYSTEM when called without PMM, else it will - * be a mask of cores to power down based on the mali_pmm_core_id enum + * Call as part of platform init if there is no PMM support, else the + * PMM will call it. + * There are three power modes defined: + * 1) MALI_POWER_MODE_ON + * 2) MALI_POWER_MODE_LIGHT_SLEEP + * 3) MALI_POWER_MODE_DEEP_SLEEP + * MALI power management module transitions to MALI_POWER_MODE_LIGHT_SLEEP mode when MALI is idle + * for idle timer (software timer defined in mali_pmm_policy_jobcontrol.h) duration, MALI transitions + * to MALI_POWER_MODE_LIGHT_SLEEP mode during timeout if there are no more jobs queued. + * MALI power management module transitions to MALI_POWER_MODE_DEEP_SLEEP mode when OS does system power + * off. + * Customer has to add power down code when MALI transitions to MALI_POWER_MODE_LIGHT_SLEEP or MALI_POWER_MODE_DEEP_SLEEP + * mode. + * MALI_POWER_MODE_ON mode is entered when the MALI is to powered up. Some customers want to control voltage regulators during + * the whole system powers on/off. Customer can track in this function whether the MALI is powered up from + * MALI_POWER_MODE_LIGHT_SLEEP or MALI_POWER_MODE_DEEP_SLEEP mode and manage the voltage regulators as well. + * @param power_mode defines the power modes * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. */ -_mali_osk_errcode_t mali_platform_powerdown(u32 cores); +_mali_osk_errcode_t mali_platform_power_mode_change(mali_power_mode power_mode); -/** @brief Platform specific powerup sequence of MALI - * - * Called as part of platform deinit if there is no PMM support, else the - * PMM will call it. - * - * @param cores This is MALI_PLATFORM_SYSTEM when called without PMM, else it will - * be a mask of cores to power down based on the mali_pmm_core_id enum - * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. - */ -_mali_osk_errcode_t mali_platform_powerup(u32 cores); /** @brief Platform specific handling of GPU utilization data * @@ -83,18 +85,15 @@ _mali_osk_errcode_t mali_platform_powerup(u32 cores); */ void mali_gpu_utilization_handler(u32 utilization); -#if USING_MALI_PMM -#if MALI_POWER_MGMT_TEST_SUITE -/** @brief function to get status of individual cores +/** @brief Setting the power domain of MALI * - * This function is used by power management test suite to get the status of powered up/down the number - * of cores - * @param utilization The workload utilization of the Mali GPU. 0 = no utilization, 256 = full utilization. + * This function sets the power domain of MALI if Linux run time power management is enabled + * + * @param dev Reference to struct platform_device (defined in linux) used by MALI GPU */ -u32 pmu_get_power_up_down_info(void); -#endif -#endif +void set_mali_parent_power_domain(void* dev); #ifdef __cplusplus } #endif +#endif |