| /* |
| * 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_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; |
| 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_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; |
| 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) |
| |
| /* 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 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_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_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); |
| } |
| |
| #endif /* __ADRENO_GPU_H__ */ |