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Some GPUs support different max frequencies depending on the platform. To identify the correct variant, we should check the gpu speedbin fuse value. Add support for this speedbin detection to a6xx family along with the required fuse details for a618 gpu. Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2017, 2019 The Linux Foundation. All rights reserved. */
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#ifndef __A6XX_GPU_H__
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#define __A6XX_GPU_H__
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#include "adreno_gpu.h"
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#include "a6xx.xml.h"
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#include "a6xx_gmu.h"
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extern bool hang_debug;
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struct a6xx_gpu {
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struct adreno_gpu base;
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struct drm_gem_object *sqe_bo;
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uint64_t sqe_iova;
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struct msm_ringbuffer *cur_ring;
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struct msm_file_private *cur_ctx;
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struct a6xx_gmu gmu;
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struct drm_gem_object *shadow_bo;
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uint64_t shadow_iova;
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uint32_t *shadow;
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bool has_whereami;
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void __iomem *llc_mmio;
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void *llc_slice;
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void *htw_llc_slice;
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bool have_mmu500;
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struct opp_table *opp_table;
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};
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#define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base)
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/*
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* Given a register and a count, return a value to program into
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* REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
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* registers starting at _reg.
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*/
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#define A6XX_PROTECT_RW(_reg, _len) \
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((1 << 31) | \
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(((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
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/*
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* Same as above, but allow reads over the range. For areas of mixed use (such
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* as performance counters) this allows us to protect a much larger range with a
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* single register
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*/
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#define A6XX_PROTECT_RDONLY(_reg, _len) \
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((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
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static inline bool a6xx_has_gbif(struct adreno_gpu *gpu)
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{
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if(adreno_is_a630(gpu))
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return false;
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return true;
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}
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#define shadowptr(_a6xx_gpu, _ring) ((_a6xx_gpu)->shadow_iova + \
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((_ring)->id * sizeof(uint32_t)))
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int a6xx_gmu_resume(struct a6xx_gpu *gpu);
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int a6xx_gmu_stop(struct a6xx_gpu *gpu);
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int a6xx_gmu_wait_for_idle(struct a6xx_gmu *gmu);
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bool a6xx_gmu_isidle(struct a6xx_gmu *gmu);
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int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
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void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state);
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int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node);
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void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu);
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void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp);
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unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu);
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void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
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struct drm_printer *p);
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struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu);
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int a6xx_gpu_state_put(struct msm_gpu_state *state);
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#endif /* __A6XX_GPU_H__ */
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