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drm/msm: Handle register offset differences between a3xx and a4xx 

Register offsets have changed between a3xx and a4xx GPUs.
To be able access these registers in common code, we create
a lookup table, and set of read-write APIs to access the
register through the lookup table.

Signed-off-by: Aravind Ganesan <aravindg@codeaurora.org>
[robclark: remove REG_ADRENO_UNDEFINED, just use zero, and minor
tweaks for latest generated headers]
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Aravind Ganesan 2014-09-08 10:57:28 -06:00 committed by Rob Clark
parent 257d06f704
commit 91b74e9761
3 changed files with 218 additions and 6 deletions
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91
drivers/gpu/drm/msm/adreno/a3xx_gpu.c
View File

@ -2,6 +2,8 @@
* 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.
@ -406,6 +408,94 @@ static void a3xx_dump(struct msm_gpu *gpu)
gpu_read(gpu, REG_A3XX_RBBM_STATUS));
adreno_dump(gpu);
}
/* Register offset defines for A3XX */
static const unsigned int a3xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
REG_ADRENO_DEFINE(REG_ADRENO_CP_DEBUG, REG_AXXX_CP_DEBUG),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_WADDR, REG_AXXX_CP_ME_RAM_WADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_DATA, REG_AXXX_CP_ME_RAM_DATA),
REG_ADRENO_DEFINE(REG_ADRENO_CP_PFP_UCODE_DATA,
REG_A3XX_CP_PFP_UCODE_DATA),
REG_ADRENO_DEFINE(REG_ADRENO_CP_PFP_UCODE_ADDR,
REG_A3XX_CP_PFP_UCODE_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_WFI_PEND_CTR, REG_A3XX_CP_WFI_PEND_CTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_AXXX_CP_RB_BASE),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_AXXX_CP_RB_RPTR_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_AXXX_CP_RB_RPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_AXXX_CP_RB_WPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_PROTECT_CTRL, REG_A3XX_CP_PROTECT_CTRL),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_CNTL, REG_AXXX_CP_ME_CNTL),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_AXXX_CP_RB_CNTL),
REG_ADRENO_DEFINE(REG_ADRENO_CP_IB1_BASE, REG_AXXX_CP_IB1_BASE),
REG_ADRENO_DEFINE(REG_ADRENO_CP_IB1_BUFSZ, REG_AXXX_CP_IB1_BUFSZ),
REG_ADRENO_DEFINE(REG_ADRENO_CP_IB2_BASE, REG_AXXX_CP_IB2_BASE),
REG_ADRENO_DEFINE(REG_ADRENO_CP_IB2_BUFSZ, REG_AXXX_CP_IB2_BUFSZ),
REG_ADRENO_DEFINE(REG_ADRENO_CP_TIMESTAMP, REG_AXXX_CP_SCRATCH_REG0),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_RADDR, REG_AXXX_CP_ME_RAM_RADDR),
REG_ADRENO_DEFINE(REG_ADRENO_SCRATCH_ADDR, REG_AXXX_SCRATCH_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_SCRATCH_UMSK, REG_AXXX_SCRATCH_UMSK),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ROQ_ADDR, REG_A3XX_CP_ROQ_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_ROQ_DATA, REG_A3XX_CP_ROQ_DATA),
REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_ADDR, REG_A3XX_CP_MERCIU_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_DATA, REG_A3XX_CP_MERCIU_DATA),
REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_DATA2, REG_A3XX_CP_MERCIU_DATA2),
REG_ADRENO_DEFINE(REG_ADRENO_CP_MEQ_ADDR, REG_A3XX_CP_MEQ_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_MEQ_DATA, REG_A3XX_CP_MEQ_DATA),
REG_ADRENO_DEFINE(REG_ADRENO_CP_HW_FAULT, REG_A3XX_CP_HW_FAULT),
REG_ADRENO_DEFINE(REG_ADRENO_CP_PROTECT_STATUS,
REG_A3XX_CP_PROTECT_STATUS),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_STATUS, REG_A3XX_RBBM_STATUS),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_CTL,
REG_A3XX_RBBM_PERFCTR_CTL),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_CMD0,
REG_A3XX_RBBM_PERFCTR_LOAD_CMD0),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_CMD1,
REG_A3XX_RBBM_PERFCTR_LOAD_CMD1),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_PWR_1_LO,
REG_A3XX_RBBM_PERFCTR_PWR_1_LO),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_0_MASK, REG_A3XX_RBBM_INT_0_MASK),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_0_STATUS,
REG_A3XX_RBBM_INT_0_STATUS),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_ERROR_STATUS,
REG_A3XX_RBBM_AHB_ERROR_STATUS),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_CMD, REG_A3XX_RBBM_AHB_CMD),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_CLEAR_CMD,
REG_A3XX_RBBM_INT_CLEAR_CMD),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_CLOCK_CTL, REG_A3XX_RBBM_CLOCK_CTL),
REG_ADRENO_DEFINE(REG_ADRENO_VPC_DEBUG_RAM_SEL,
REG_A3XX_VPC_VPC_DEBUG_RAM_SEL),
REG_ADRENO_DEFINE(REG_ADRENO_VPC_DEBUG_RAM_READ,
REG_A3XX_VPC_VPC_DEBUG_RAM_READ),
REG_ADRENO_DEFINE(REG_ADRENO_VSC_SIZE_ADDRESS,
REG_A3XX_VSC_SIZE_ADDRESS),
REG_ADRENO_DEFINE(REG_ADRENO_VFD_CONTROL_0, REG_A3XX_VFD_CONTROL_0),
REG_ADRENO_DEFINE(REG_ADRENO_VFD_INDEX_MAX, REG_A3XX_VFD_INDEX_MAX),
REG_ADRENO_DEFINE(REG_ADRENO_SP_VS_PVT_MEM_ADDR_REG,
REG_A3XX_SP_VS_PVT_MEM_ADDR_REG),
REG_ADRENO_DEFINE(REG_ADRENO_SP_FS_PVT_MEM_ADDR_REG,
REG_A3XX_SP_FS_PVT_MEM_ADDR_REG),
REG_ADRENO_DEFINE(REG_ADRENO_SP_VS_OBJ_START_REG,
REG_A3XX_SP_VS_OBJ_START_REG),
REG_ADRENO_DEFINE(REG_ADRENO_SP_FS_OBJ_START_REG,
REG_A3XX_SP_FS_OBJ_START_REG),
REG_ADRENO_DEFINE(REG_ADRENO_PA_SC_AA_CONFIG, REG_A3XX_PA_SC_AA_CONFIG),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PM_OVERRIDE2,
REG_A3XX_RBBM_PM_OVERRIDE2),
REG_ADRENO_DEFINE(REG_ADRENO_SCRATCH_REG2, REG_AXXX_CP_SCRATCH_REG2),
REG_ADRENO_DEFINE(REG_ADRENO_SQ_GPR_MANAGEMENT,
REG_A3XX_SQ_GPR_MANAGEMENT),
REG_ADRENO_DEFINE(REG_ADRENO_SQ_INST_STORE_MANAGMENT,
REG_A3XX_SQ_INST_STORE_MANAGMENT),
REG_ADRENO_DEFINE(REG_ADRENO_TP0_CHICKEN, REG_A3XX_TP0_CHICKEN),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_RBBM_CTL, REG_A3XX_RBBM_RBBM_CTL),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_SW_RESET_CMD,
REG_A3XX_RBBM_SW_RESET_CMD),
REG_ADRENO_DEFINE(REG_ADRENO_UCHE_INVALIDATE0,
REG_A3XX_UCHE_CACHE_INVALIDATE0_REG),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_LO,
REG_A3XX_RBBM_PERFCTR_LOAD_VALUE_LO),
REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_HI,
REG_A3XX_RBBM_PERFCTR_LOAD_VALUE_HI),
};
static const struct adreno_gpu_funcs funcs = {
.base = {
@ -463,6 +553,7 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev)
gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs);
adreno_gpu->registers = a3xx_registers;
adreno_gpu->reg_offsets = a3xx_register_offsets;
ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs);
if (ret)

17
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View File

@ -2,6 +2,8 @@
* 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.
@ -63,19 +65,21 @@ int adreno_hw_init(struct msm_gpu *gpu)
}
/* Setup REG_CP_RB_CNTL: */
gpu_write(gpu, REG_AXXX_CP_RB_CNTL,
adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_CNTL,
/* size is log2(quad-words): */
AXXX_CP_RB_CNTL_BUFSZ(ilog2(gpu->rb->size / 8)) |
AXXX_CP_RB_CNTL_BLKSZ(ilog2(RB_BLKSIZE / 8)));
/* Setup ringbuffer address: */
gpu_write(gpu, REG_AXXX_CP_RB_BASE, gpu->rb_iova);
gpu_write(gpu, REG_AXXX_CP_RB_RPTR_ADDR, rbmemptr(adreno_gpu, rptr));
adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_BASE, gpu->rb_iova);
adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_RPTR_ADDR,
rbmemptr(adreno_gpu, rptr));
/* Setup scratch/timestamp: */
gpu_write(gpu, REG_AXXX_SCRATCH_ADDR, rbmemptr(adreno_gpu, fence));
adreno_gpu_write(adreno_gpu, REG_ADRENO_SCRATCH_ADDR,
rbmemptr(adreno_gpu, fence));
gpu_write(gpu, REG_AXXX_SCRATCH_UMSK, 0x1);
adreno_gpu_write(adreno_gpu, REG_ADRENO_SCRATCH_UMSK, 0x1);
return 0;
}
@ -188,12 +192,13 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
void adreno_flush(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
uint32_t wptr = get_wptr(gpu->rb);
/* ensure writes to ringbuffer have hit system memory: */
mb();
gpu_write(gpu, REG_AXXX_CP_RB_WPTR, wptr);
adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_WPTR, wptr);
}
void adreno_idle(struct msm_gpu *gpu)

116
drivers/gpu/drm/msm/adreno/adreno_gpu.h
View File

@ -2,6 +2,8 @@
* 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.
@ -25,6 +27,81 @@
#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_DEBUG,
REG_ADRENO_CP_ME_RAM_WADDR,
REG_ADRENO_CP_ME_RAM_DATA,
REG_ADRENO_CP_PFP_UCODE_DATA,
REG_ADRENO_CP_PFP_UCODE_ADDR,
REG_ADRENO_CP_WFI_PEND_CTR,
REG_ADRENO_CP_RB_BASE,
REG_ADRENO_CP_RB_RPTR_ADDR,
REG_ADRENO_CP_RB_RPTR,
REG_ADRENO_CP_RB_WPTR,
REG_ADRENO_CP_PROTECT_CTRL,
REG_ADRENO_CP_ME_CNTL,
REG_ADRENO_CP_RB_CNTL,
REG_ADRENO_CP_IB1_BASE,
REG_ADRENO_CP_IB1_BUFSZ,
REG_ADRENO_CP_IB2_BASE,
REG_ADRENO_CP_IB2_BUFSZ,
REG_ADRENO_CP_TIMESTAMP,
REG_ADRENO_CP_ME_RAM_RADDR,
REG_ADRENO_CP_ROQ_ADDR,
REG_ADRENO_CP_ROQ_DATA,
REG_ADRENO_CP_MERCIU_ADDR,
REG_ADRENO_CP_MERCIU_DATA,
REG_ADRENO_CP_MERCIU_DATA2,
REG_ADRENO_CP_MEQ_ADDR,
REG_ADRENO_CP_MEQ_DATA,
REG_ADRENO_CP_HW_FAULT,
REG_ADRENO_CP_PROTECT_STATUS,
REG_ADRENO_SCRATCH_ADDR,
REG_ADRENO_SCRATCH_UMSK,
REG_ADRENO_SCRATCH_REG2,
REG_ADRENO_RBBM_STATUS,
REG_ADRENO_RBBM_PERFCTR_CTL,
REG_ADRENO_RBBM_PERFCTR_LOAD_CMD0,
REG_ADRENO_RBBM_PERFCTR_LOAD_CMD1,
REG_ADRENO_RBBM_PERFCTR_LOAD_CMD2,
REG_ADRENO_RBBM_PERFCTR_PWR_1_LO,
REG_ADRENO_RBBM_INT_0_MASK,
REG_ADRENO_RBBM_INT_0_STATUS,
REG_ADRENO_RBBM_AHB_ERROR_STATUS,
REG_ADRENO_RBBM_PM_OVERRIDE2,
REG_ADRENO_RBBM_AHB_CMD,
REG_ADRENO_RBBM_INT_CLEAR_CMD,
REG_ADRENO_RBBM_SW_RESET_CMD,
REG_ADRENO_RBBM_CLOCK_CTL,
REG_ADRENO_RBBM_AHB_ME_SPLIT_STATUS,
REG_ADRENO_RBBM_AHB_PFP_SPLIT_STATUS,
REG_ADRENO_VPC_DEBUG_RAM_SEL,
REG_ADRENO_VPC_DEBUG_RAM_READ,
REG_ADRENO_VSC_SIZE_ADDRESS,
REG_ADRENO_VFD_CONTROL_0,
REG_ADRENO_VFD_INDEX_MAX,
REG_ADRENO_SP_VS_PVT_MEM_ADDR_REG,
REG_ADRENO_SP_FS_PVT_MEM_ADDR_REG,
REG_ADRENO_SP_VS_OBJ_START_REG,
REG_ADRENO_SP_FS_OBJ_START_REG,
REG_ADRENO_PA_SC_AA_CONFIG,
REG_ADRENO_SQ_GPR_MANAGEMENT,
REG_ADRENO_SQ_INST_STORE_MANAGMENT,
REG_ADRENO_TP0_CHICKEN,
REG_ADRENO_RBBM_RBBM_CTL,
REG_ADRENO_UCHE_INVALIDATE0,
REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_LO,
REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_HI,
REG_ADRENO_REGISTER_MAX,
};
struct adreno_rev {
uint8_t core;
uint8_t major;
@ -76,6 +153,13 @@ struct adreno_gpu {
struct adreno_rbmemptrs *memptrs;
struct drm_gem_object *memptrs_bo;
uint32_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)
@ -171,5 +255,37 @@ OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
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);
}
#endif /* __ADRENO_GPU_H__ */