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Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/common/mali_pmu.h')
-rw-r--r-- | drivers/gpu/mali400/r3p2/mali/common/mali_pmu.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_pmu.h b/drivers/gpu/mali400/r3p2/mali/common/mali_pmu.h new file mode 100644 index 0000000..7e2f67c --- /dev/null +++ b/drivers/gpu/mali400/r3p2/mali/common/mali_pmu.h @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2010-2012 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained from Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** + * @file mali_platform.h + * Platform specific Mali driver functions + */ + +#ifndef __MALI_PMU_H__ +#define __MALI_PMU_H__ + +#include "mali_osk.h" + +#define MALI_PMU_M450_DOM1 0 +#define MALI_PMU_M450_DOM1_MASK (1 << 1) +#define MALI_PMU_M450_DOM2 1 +#define MALI_PMU_M450_DOM2_MASK (1 << 2) +#define MALI_PMU_M450_DOM3 2 +#define MALI_PMU_M450_DOM3_MASK (1 << 3) + +#define MALI_PMU_M400_PP0 0 +#define MALI_PMU_M400_PP0_MASK (1 << 2) +#define MALI_PMU_M400_PP1 1 +#define MALI_PMU_M400_PP1_MASK (1 << 3) +#define MALI_PMU_M400_PP2 2 +#define MALI_PMU_M400_PP2_MASK (1 << 4) +#define MALI_PMU_M400_PP3 3 +#define MALI_PMU_M400_PP3_MASK (1 << 5) + +struct mali_pmu_core; + +/** @brief Initialisation of MALI PMU + * + * This is called from entry point of the driver in order to create and intialize the PMU resource + * + * @param resource it will be a pointer to a PMU resource + * @param number_of_pp_cores Number of found PP resources in configuration + * @param number_of_l2_caches Number of found L2 cache resources in configuration + * @return The created PMU object, or NULL in case of failure. + */ +struct mali_pmu_core *mali_pmu_create(_mali_osk_resource_t *resource, u32 number_of_pp_cores, u32 number_of_l2_caches); + +/** @brief It deallocates the PMU resource + * + * This is called on the exit of the driver to terminate the PMU resource + * + * @param pmu Pointer to PMU core object to delete + */ +void mali_pmu_delete(struct mali_pmu_core *pmu); + +/** @brief Reset PMU core + * + * @param pmu Pointer to PMU core object to reset + * @return _MALI_OSK_ERR_OK on success, otherwise failure. + */ +_mali_osk_errcode_t mali_pmu_reset(struct mali_pmu_core *pmu); + +/** @brief MALI GPU power down using MALI in-built PMU + * + * Called to power down the specified cores. The mask will be saved so that \a + * mali_pmu_power_up_all will bring the PMU back to the previous state set with + * this function or \a mali_pmu_power_up. + * + * @param pmu Pointer to PMU core object to power down + * @param mask Mask specifying which power domains to power down + * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. + */ +_mali_osk_errcode_t mali_pmu_power_down(struct mali_pmu_core *pmu, u32 mask); + +/** @brief MALI GPU power up using MALI in-built PMU + * + * Called to power up the specified cores. The mask will be saved so that \a + * mali_pmu_power_up_all will bring the PMU back to the previous state set with + * this function or \a mali_pmu_power_down. + * + * @param pmu Pointer to PMU core object to power up + * @param mask Mask specifying which power domains to power up + * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. + */ +_mali_osk_errcode_t mali_pmu_power_up(struct mali_pmu_core *pmu, u32 mask); + +/** @brief MALI GPU power down using MALI in-built PMU + * + * called to power down all cores + * + * @param pmu Pointer to PMU core object to power down + * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. + */ +_mali_osk_errcode_t mali_pmu_power_down_all(struct mali_pmu_core *pmu); + +/** @brief MALI GPU power up using MALI in-built PMU + * + * called to power up all cores + * + * @param pmu Pointer to PMU core object to power up + * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error. + */ +_mali_osk_errcode_t mali_pmu_power_up_all(struct mali_pmu_core *pmu); + +/** @brief Retrieves the Mali PMU core object (if any) + * + * @return The Mali PMU object, or NULL if no PMU exists. + */ +struct mali_pmu_core *mali_pmu_get_global_pmu_core(void); + +#endif /* __MALI_PMU_H__ */ |