mirror of https://gitee.com/openkylin/linux.git
151 lines
3.9 KiB
C
151 lines
3.9 KiB
C
/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ADRENO_GPU_H__
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#define __ADRENO_GPU_H__
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#include <linux/firmware.h>
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#include "msm_gpu.h"
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#include "adreno_common.xml.h"
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#include "adreno_pm4.xml.h"
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struct adreno_rev {
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uint8_t core;
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uint8_t major;
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uint8_t minor;
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uint8_t patchid;
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};
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#define ADRENO_REV(core, major, minor, patchid) \
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((struct adreno_rev){ core, major, minor, patchid })
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struct adreno_gpu_funcs {
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struct msm_gpu_funcs base;
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};
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struct adreno_info;
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struct adreno_rbmemptrs {
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volatile uint32_t rptr;
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volatile uint32_t wptr;
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volatile uint32_t fence;
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};
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struct adreno_gpu {
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struct msm_gpu base;
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struct adreno_rev rev;
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const struct adreno_info *info;
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uint32_t gmem; /* actual gmem size */
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uint32_t revn; /* numeric revision name */
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const struct adreno_gpu_funcs *funcs;
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/* firmware: */
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const struct firmware *pm4, *pfp;
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/* ringbuffer rptr/wptr: */
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// TODO should this be in msm_ringbuffer? I think it would be
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// different for z180..
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struct adreno_rbmemptrs *memptrs;
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struct drm_gem_object *memptrs_bo;
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uint32_t memptrs_iova;
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};
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#define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base)
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/* platform config data (ie. from DT, or pdata) */
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struct adreno_platform_config {
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struct adreno_rev rev;
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uint32_t fast_rate, slow_rate, bus_freq;
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#ifdef CONFIG_MSM_BUS_SCALING
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struct msm_bus_scale_pdata *bus_scale_table;
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#endif
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};
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#define ADRENO_IDLE_TIMEOUT (20 * 1000)
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static inline bool adreno_is_a3xx(struct adreno_gpu *gpu)
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{
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return (gpu->revn >= 300) && (gpu->revn < 400);
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}
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static inline bool adreno_is_a305(struct adreno_gpu *gpu)
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{
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return gpu->revn == 305;
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}
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static inline bool adreno_is_a320(struct adreno_gpu *gpu)
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{
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return gpu->revn == 320;
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}
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static inline bool adreno_is_a330(struct adreno_gpu *gpu)
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{
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return gpu->revn == 330;
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}
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static inline bool adreno_is_a330v2(struct adreno_gpu *gpu)
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{
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return adreno_is_a330(gpu) && (gpu->rev.patchid > 0);
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}
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int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
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int adreno_hw_init(struct msm_gpu *gpu);
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uint32_t adreno_last_fence(struct msm_gpu *gpu);
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void adreno_recover(struct msm_gpu *gpu);
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int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
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struct msm_file_private *ctx);
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void adreno_flush(struct msm_gpu *gpu);
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void adreno_idle(struct msm_gpu *gpu);
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#ifdef CONFIG_DEBUG_FS
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void adreno_show(struct msm_gpu *gpu, struct seq_file *m);
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#endif
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void adreno_wait_ring(struct msm_gpu *gpu, uint32_t ndwords);
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int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
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struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs,
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struct adreno_rev rev);
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void adreno_gpu_cleanup(struct adreno_gpu *gpu);
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/* ringbuffer helpers (the parts that are adreno specific) */
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static inline void
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OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
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{
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adreno_wait_ring(ring->gpu, cnt+1);
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OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
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}
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/* no-op packet: */
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static inline void
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OUT_PKT2(struct msm_ringbuffer *ring)
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{
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adreno_wait_ring(ring->gpu, 1);
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OUT_RING(ring, CP_TYPE2_PKT);
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}
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static inline void
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OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
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{
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adreno_wait_ring(ring->gpu, cnt+1);
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OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
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}
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#endif /* __ADRENO_GPU_H__ */
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