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/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* 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"
#define REG_ADRENO_DEFINE(_offset, _reg) [_offset] = (_reg) + 1
/**
* adreno_regs: List of registers that are used in across all
* 3D devices. Each device type has different offset value for the same
* register, so an array of register offsets are declared for every device
* and are indexed by the enumeration values defined in this enum
*/
enum adreno_regs {
REG_ADRENO_CP_RB_BASE,
REG_ADRENO_CP_RB_RPTR_ADDR,
REG_ADRENO_CP_RB_RPTR,
REG_ADRENO_CP_RB_WPTR,
REG_ADRENO_CP_RB_CNTL,
REG_ADRENO_REGISTER_MAX,
};
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;
int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);
};
struct adreno_info {
struct adreno_rev rev;
uint32_t revn;
const char *name;
const char *pm4fw, *pfpfw;
uint32_t gmem;
struct msm_gpu *(*init)(struct drm_device *dev);
};
const struct adreno_info *adreno_info(struct adreno_rev rev);
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;
/* interesting register offsets to dump: */
const unsigned int *registers;
/* 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;
uint64_t memptrs_iova;
/*
* Register offsets are different between some GPUs.
* GPU specific offsets will be exported by GPU specific
* code (a3xx_gpu.c) and stored in this common location.
*/
const unsigned int *reg_offsets;
};
#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 DOWNSTREAM_CONFIG_MSM_BUS_SCALING
struct msm_bus_scale_pdata *bus_scale_table;
#endif
};
#define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000)
#define spin_until(X) ({ \
int __ret = -ETIMEDOUT; \
unsigned long __t = jiffies + ADRENO_IDLE_TIMEOUT; \
do { \
if (X) { \
__ret = 0; \
break; \
} \
} while (time_before(jiffies, __t)); \
__ret; \
})
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_a306(struct adreno_gpu *gpu)
{
/* yes, 307, because a305c is 306 */
return gpu->revn == 307;
}
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);
}
static inline bool adreno_is_a4xx(struct adreno_gpu *gpu)
{
return (gpu->revn >= 400) && (gpu->revn < 500);
}
static inline int adreno_is_a420(struct adreno_gpu *gpu)
{
return gpu->revn == 420;
}
static inline int adreno_is_a430(struct adreno_gpu *gpu)
{
return gpu->revn == 430;
}
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);
void 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_dump_info(struct msm_gpu *gpu);
void adreno_dump(struct msm_gpu *gpu);
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);
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));
}
/*
* adreno_checkreg_off() - Checks the validity of a register enum
* @gpu: Pointer to struct adreno_gpu
* @offset_name: The register enum that is checked
*/
static inline bool adreno_reg_check(struct adreno_gpu *gpu,
enum adreno_regs offset_name)
{
if (offset_name >= REG_ADRENO_REGISTER_MAX ||
!gpu->reg_offsets[offset_name]) {
BUG();
}
return true;
}
static inline u32 adreno_gpu_read(struct adreno_gpu *gpu,
enum adreno_regs offset_name)
{
u32 reg = gpu->reg_offsets[offset_name];
u32 val = 0;
if(adreno_reg_check(gpu,offset_name))
val = gpu_read(&gpu->base, reg - 1);
return val;
}
static inline void adreno_gpu_write(struct adreno_gpu *gpu,
enum adreno_regs offset_name, u32 data)
{
u32 reg = gpu->reg_offsets[offset_name];
if(adreno_reg_check(gpu, offset_name))
gpu_write(&gpu->base, reg - 1, data);
}
struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
struct msm_gpu *a4xx_gpu_init(struct drm_device *dev);
#endif /* __ADRENO_GPU_H__ */
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