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