/* * Copyright 2013 Advanced Micro Devices, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * Authors: Christian König <[email protected]> */ #include <linux/firmware.h> #include <linux/module.h> #include <drm/drm.h> #include "radeon.h" #include "radeon_asic.h" #include "sid.h" /* 1 second timeout */ #define VCE_IDLE_TIMEOUT_MS … /* Firmware Names */ #define FIRMWARE_TAHITI … #define FIRMWARE_BONAIRE … MODULE_FIRMWARE(…); MODULE_FIRMWARE(…); static void radeon_vce_idle_work_handler(struct work_struct *work); /** * radeon_vce_init - allocate memory, load vce firmware * * @rdev: radeon_device pointer * * First step to get VCE online, allocate memory and load the firmware */ int radeon_vce_init(struct radeon_device *rdev) { … } /** * radeon_vce_fini - free memory * * @rdev: radeon_device pointer * * Last step on VCE teardown, free firmware memory */ void radeon_vce_fini(struct radeon_device *rdev) { … } /** * radeon_vce_suspend - unpin VCE fw memory * * @rdev: radeon_device pointer * */ int radeon_vce_suspend(struct radeon_device *rdev) { … } /** * radeon_vce_resume - pin VCE fw memory * * @rdev: radeon_device pointer * */ int radeon_vce_resume(struct radeon_device *rdev) { … } /** * radeon_vce_idle_work_handler - power off VCE * * @work: pointer to work structure * * power of VCE when it's not used any more */ static void radeon_vce_idle_work_handler(struct work_struct *work) { … } /** * radeon_vce_note_usage - power up VCE * * @rdev: radeon_device pointer * * Make sure VCE is powerd up when we want to use it */ void radeon_vce_note_usage(struct radeon_device *rdev) { … } /** * radeon_vce_free_handles - free still open VCE handles * * @rdev: radeon_device pointer * @filp: drm file pointer * * Close all VCE handles still open by this file pointer */ void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp) { … } /** * radeon_vce_get_create_msg - generate a VCE create msg * * @rdev: radeon_device pointer * @ring: ring we should submit the msg to * @handle: VCE session handle to use * @fence: optional fence to return * * Open up a stream for HW test */ int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring, uint32_t handle, struct radeon_fence **fence) { … } /** * radeon_vce_get_destroy_msg - generate a VCE destroy msg * * @rdev: radeon_device pointer * @ring: ring we should submit the msg to * @handle: VCE session handle to use * @fence: optional fence to return * * Close up a stream for HW test or if userspace failed to do so */ int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring, uint32_t handle, struct radeon_fence **fence) { … } /** * radeon_vce_cs_reloc - command submission relocation * * @p: parser context * @lo: address of lower dword * @hi: address of higher dword * @size: size of checker for relocation buffer * * Patch relocation inside command stream with real buffer address */ int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size) { … } /** * radeon_vce_validate_handle - validate stream handle * * @p: parser context * @handle: handle to validate * @allocated: allocated a new handle? * * Validates the handle and return the found session index or -EINVAL * we don't have another free session index. */ static int radeon_vce_validate_handle(struct radeon_cs_parser *p, uint32_t handle, bool *allocated) { … } /** * radeon_vce_cs_parse - parse and validate the command stream * * @p: parser context * */ int radeon_vce_cs_parse(struct radeon_cs_parser *p) { … } /** * radeon_vce_semaphore_emit - emit a semaphore command * * @rdev: radeon_device pointer * @ring: engine to use * @semaphore: address of semaphore * @emit_wait: true=emit wait, false=emit signal * */ bool radeon_vce_semaphore_emit(struct radeon_device *rdev, struct radeon_ring *ring, struct radeon_semaphore *semaphore, bool emit_wait) { … } /** * radeon_vce_ib_execute - execute indirect buffer * * @rdev: radeon_device pointer * @ib: the IB to execute * */ void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) { … } /** * radeon_vce_fence_emit - add a fence command to the ring * * @rdev: radeon_device pointer * @fence: the fence * */ void radeon_vce_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence) { … } /** * radeon_vce_ring_test - test if VCE ring is working * * @rdev: radeon_device pointer * @ring: the engine to test on * */ int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) { … } /** * radeon_vce_ib_test - test if VCE IBs are working * * @rdev: radeon_device pointer * @ring: the engine to test on * */ int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { … }
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