You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
350 lines
9.7 KiB
350 lines
9.7 KiB
/*
|
|
* 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
|
|
#define REG_SKIP ~0
|
|
#define REG_ADRENO_SKIP(_offset) [_offset] = REG_SKIP
|
|
|
|
/**
|
|
* 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_BASE_HI,
|
|
REG_ADRENO_CP_RB_RPTR_ADDR,
|
|
REG_ADRENO_CP_RB_RPTR_ADDR_HI,
|
|
REG_ADRENO_CP_RB_RPTR,
|
|
REG_ADRENO_CP_RB_WPTR,
|
|
REG_ADRENO_CP_RB_CNTL,
|
|
REG_ADRENO_REGISTER_MAX,
|
|
};
|
|
|
|
enum adreno_quirks {
|
|
ADRENO_QUIRK_TWO_PASS_USE_WFI = 1,
|
|
ADRENO_QUIRK_FAULT_DETECT_MASK = 2,
|
|
};
|
|
|
|
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;
|
|
const char *gpmufw;
|
|
uint32_t gmem;
|
|
enum adreno_quirks quirks;
|
|
struct msm_gpu *(*init)(struct drm_device *dev);
|
|
const char *zapfw;
|
|
};
|
|
|
|
const struct adreno_info *adreno_info(struct adreno_rev rev);
|
|
|
|
#define rbmemptr(adreno_gpu, member) \
|
|
((adreno_gpu)->memptrs_iova + offsetof(struct adreno_rbmemptrs, member))
|
|
|
|
struct adreno_rbmemptrs {
|
|
volatile uint32_t rptr;
|
|
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, 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;
|
|
}
|
|
|
|
static inline int adreno_is_a530(struct adreno_gpu *gpu)
|
|
{
|
|
return gpu->revn == 530;
|
|
}
|
|
|
|
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);
|
|
bool 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));
|
|
}
|
|
|
|
static inline u32 PM4_PARITY(u32 val)
|
|
{
|
|
return (0x9669 >> (0xF & (val ^
|
|
(val >> 4) ^ (val >> 8) ^ (val >> 12) ^
|
|
(val >> 16) ^ ((val) >> 20) ^ (val >> 24) ^
|
|
(val >> 28)))) & 1;
|
|
}
|
|
|
|
/* Maximum number of values that can be executed for one opcode */
|
|
#define TYPE4_MAX_PAYLOAD 127
|
|
|
|
#define PKT4(_reg, _cnt) \
|
|
(CP_TYPE4_PKT | ((_cnt) << 0) | (PM4_PARITY((_cnt)) << 7) | \
|
|
(((_reg) & 0x3FFFF) << 8) | (PM4_PARITY((_reg)) << 27))
|
|
|
|
static inline void
|
|
OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
|
|
{
|
|
adreno_wait_ring(ring->gpu, cnt + 1);
|
|
OUT_RING(ring, PKT4(regindx, cnt));
|
|
}
|
|
|
|
static inline void
|
|
OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
|
|
{
|
|
adreno_wait_ring(ring->gpu, cnt + 1);
|
|
OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) |
|
|
((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23));
|
|
}
|
|
|
|
/*
|
|
* adreno_reg_check() - 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();
|
|
}
|
|
|
|
/*
|
|
* REG_SKIP is a special value that tell us that the register in
|
|
* question isn't implemented on target but don't trigger a BUG(). This
|
|
* is used to cleanly implement adreno_gpu_write64() and
|
|
* adreno_gpu_read64() in a generic fashion
|
|
*/
|
|
if (gpu->reg_offsets[offset_name] == REG_SKIP)
|
|
return false;
|
|
|
|
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);
|
|
struct msm_gpu *a5xx_gpu_init(struct drm_device *dev);
|
|
|
|
static inline void adreno_gpu_write64(struct adreno_gpu *gpu,
|
|
enum adreno_regs lo, enum adreno_regs hi, u64 data)
|
|
{
|
|
adreno_gpu_write(gpu, lo, lower_32_bits(data));
|
|
adreno_gpu_write(gpu, hi, upper_32_bits(data));
|
|
}
|
|
|
|
/*
|
|
* Given a register and a count, return a value to program into
|
|
* REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
|
|
* registers starting at _reg.
|
|
*
|
|
* The register base needs to be a multiple of the length. If it is not, the
|
|
* hardware will quietly mask off the bits for you and shift the size. For
|
|
* example, if you intend the protection to start at 0x07 for a length of 4
|
|
* (0x07-0x0A) the hardware will actually protect (0x04-0x07) which might
|
|
* expose registers you intended to protect!
|
|
*/
|
|
#define ADRENO_PROTECT_RW(_reg, _len) \
|
|
((1 << 30) | (1 << 29) | \
|
|
((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
|
|
|
|
/*
|
|
* Same as above, but allow reads over the range. For areas of mixed use (such
|
|
* as performance counters) this allows us to protect a much larger range with a
|
|
* single register
|
|
*/
|
|
#define ADRENO_PROTECT_RDONLY(_reg, _len) \
|
|
((1 << 29) \
|
|
((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
|
|
|
|
#endif /* __ADRENO_GPU_H__ */
|
|
|