forked from Minki/linux
91b74e9761
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>
292 lines
8.0 KiB
C
292 lines
8.0 KiB
C
/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* Copyright (c) 2014 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ADRENO_GPU_H__
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#define __ADRENO_GPU_H__
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#include <linux/firmware.h>
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#include "msm_gpu.h"
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#include "adreno_common.xml.h"
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#include "adreno_pm4.xml.h"
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#define REG_ADRENO_DEFINE(_offset, _reg) [_offset] = (_reg) + 1
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/**
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* adreno_regs: List of registers that are used in across all
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* 3D devices. Each device type has different offset value for the same
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* register, so an array of register offsets are declared for every device
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* and are indexed by the enumeration values defined in this enum
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*/
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enum adreno_regs {
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REG_ADRENO_CP_DEBUG,
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REG_ADRENO_CP_ME_RAM_WADDR,
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REG_ADRENO_CP_ME_RAM_DATA,
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REG_ADRENO_CP_PFP_UCODE_DATA,
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REG_ADRENO_CP_PFP_UCODE_ADDR,
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REG_ADRENO_CP_WFI_PEND_CTR,
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REG_ADRENO_CP_RB_BASE,
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REG_ADRENO_CP_RB_RPTR_ADDR,
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REG_ADRENO_CP_RB_RPTR,
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REG_ADRENO_CP_RB_WPTR,
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REG_ADRENO_CP_PROTECT_CTRL,
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REG_ADRENO_CP_ME_CNTL,
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REG_ADRENO_CP_RB_CNTL,
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REG_ADRENO_CP_IB1_BASE,
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REG_ADRENO_CP_IB1_BUFSZ,
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REG_ADRENO_CP_IB2_BASE,
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REG_ADRENO_CP_IB2_BUFSZ,
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REG_ADRENO_CP_TIMESTAMP,
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REG_ADRENO_CP_ME_RAM_RADDR,
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REG_ADRENO_CP_ROQ_ADDR,
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REG_ADRENO_CP_ROQ_DATA,
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REG_ADRENO_CP_MERCIU_ADDR,
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REG_ADRENO_CP_MERCIU_DATA,
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REG_ADRENO_CP_MERCIU_DATA2,
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REG_ADRENO_CP_MEQ_ADDR,
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REG_ADRENO_CP_MEQ_DATA,
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REG_ADRENO_CP_HW_FAULT,
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REG_ADRENO_CP_PROTECT_STATUS,
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REG_ADRENO_SCRATCH_ADDR,
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REG_ADRENO_SCRATCH_UMSK,
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REG_ADRENO_SCRATCH_REG2,
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REG_ADRENO_RBBM_STATUS,
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REG_ADRENO_RBBM_PERFCTR_CTL,
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REG_ADRENO_RBBM_PERFCTR_LOAD_CMD0,
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REG_ADRENO_RBBM_PERFCTR_LOAD_CMD1,
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REG_ADRENO_RBBM_PERFCTR_LOAD_CMD2,
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REG_ADRENO_RBBM_PERFCTR_PWR_1_LO,
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REG_ADRENO_RBBM_INT_0_MASK,
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REG_ADRENO_RBBM_INT_0_STATUS,
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REG_ADRENO_RBBM_AHB_ERROR_STATUS,
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REG_ADRENO_RBBM_PM_OVERRIDE2,
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REG_ADRENO_RBBM_AHB_CMD,
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REG_ADRENO_RBBM_INT_CLEAR_CMD,
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REG_ADRENO_RBBM_SW_RESET_CMD,
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REG_ADRENO_RBBM_CLOCK_CTL,
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REG_ADRENO_RBBM_AHB_ME_SPLIT_STATUS,
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REG_ADRENO_RBBM_AHB_PFP_SPLIT_STATUS,
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REG_ADRENO_VPC_DEBUG_RAM_SEL,
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REG_ADRENO_VPC_DEBUG_RAM_READ,
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REG_ADRENO_VSC_SIZE_ADDRESS,
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REG_ADRENO_VFD_CONTROL_0,
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REG_ADRENO_VFD_INDEX_MAX,
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REG_ADRENO_SP_VS_PVT_MEM_ADDR_REG,
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REG_ADRENO_SP_FS_PVT_MEM_ADDR_REG,
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REG_ADRENO_SP_VS_OBJ_START_REG,
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REG_ADRENO_SP_FS_OBJ_START_REG,
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REG_ADRENO_PA_SC_AA_CONFIG,
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REG_ADRENO_SQ_GPR_MANAGEMENT,
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REG_ADRENO_SQ_INST_STORE_MANAGMENT,
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REG_ADRENO_TP0_CHICKEN,
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REG_ADRENO_RBBM_RBBM_CTL,
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REG_ADRENO_UCHE_INVALIDATE0,
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REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_LO,
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REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_HI,
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REG_ADRENO_REGISTER_MAX,
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};
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struct adreno_rev {
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uint8_t core;
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uint8_t major;
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uint8_t minor;
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uint8_t patchid;
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};
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#define ADRENO_REV(core, major, minor, patchid) \
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((struct adreno_rev){ core, major, minor, patchid })
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struct adreno_gpu_funcs {
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struct msm_gpu_funcs base;
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};
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struct adreno_info {
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struct adreno_rev rev;
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uint32_t revn;
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const char *name;
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const char *pm4fw, *pfpfw;
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uint32_t gmem;
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struct msm_gpu *(*init)(struct drm_device *dev);
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};
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const struct adreno_info *adreno_info(struct adreno_rev rev);
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struct adreno_rbmemptrs {
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volatile uint32_t rptr;
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volatile uint32_t wptr;
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volatile uint32_t fence;
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};
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struct adreno_gpu {
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struct msm_gpu base;
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struct adreno_rev rev;
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const struct adreno_info *info;
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uint32_t gmem; /* actual gmem size */
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uint32_t revn; /* numeric revision name */
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const struct adreno_gpu_funcs *funcs;
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/* interesting register offsets to dump: */
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const unsigned int *registers;
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/* firmware: */
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const struct firmware *pm4, *pfp;
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/* ringbuffer rptr/wptr: */
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// TODO should this be in msm_ringbuffer? I think it would be
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// different for z180..
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struct adreno_rbmemptrs *memptrs;
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struct drm_gem_object *memptrs_bo;
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uint32_t memptrs_iova;
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/*
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* Register offsets are different between some GPUs.
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* GPU specific offsets will be exported by GPU specific
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* code (a3xx_gpu.c) and stored in this common location.
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*/
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const unsigned int *reg_offsets;
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};
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#define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base)
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/* platform config data (ie. from DT, or pdata) */
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struct adreno_platform_config {
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struct adreno_rev rev;
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uint32_t fast_rate, slow_rate, bus_freq;
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#ifdef CONFIG_MSM_BUS_SCALING
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struct msm_bus_scale_pdata *bus_scale_table;
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#endif
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};
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#define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000)
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#define spin_until(X) ({ \
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int __ret = -ETIMEDOUT; \
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unsigned long __t = jiffies + ADRENO_IDLE_TIMEOUT; \
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do { \
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if (X) { \
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__ret = 0; \
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break; \
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} \
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} while (time_before(jiffies, __t)); \
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__ret; \
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})
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static inline bool adreno_is_a3xx(struct adreno_gpu *gpu)
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{
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return (gpu->revn >= 300) && (gpu->revn < 400);
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}
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static inline bool adreno_is_a305(struct adreno_gpu *gpu)
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{
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return gpu->revn == 305;
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}
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static inline bool adreno_is_a320(struct adreno_gpu *gpu)
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{
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return gpu->revn == 320;
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}
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static inline bool adreno_is_a330(struct adreno_gpu *gpu)
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{
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return gpu->revn == 330;
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}
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static inline bool adreno_is_a330v2(struct adreno_gpu *gpu)
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{
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return adreno_is_a330(gpu) && (gpu->rev.patchid > 0);
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}
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int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
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int adreno_hw_init(struct msm_gpu *gpu);
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uint32_t adreno_last_fence(struct msm_gpu *gpu);
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void adreno_recover(struct msm_gpu *gpu);
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int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
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struct msm_file_private *ctx);
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void adreno_flush(struct msm_gpu *gpu);
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void adreno_idle(struct msm_gpu *gpu);
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#ifdef CONFIG_DEBUG_FS
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void adreno_show(struct msm_gpu *gpu, struct seq_file *m);
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#endif
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void adreno_dump(struct msm_gpu *gpu);
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void adreno_wait_ring(struct msm_gpu *gpu, uint32_t ndwords);
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int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
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struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs);
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void adreno_gpu_cleanup(struct adreno_gpu *gpu);
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/* ringbuffer helpers (the parts that are adreno specific) */
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static inline void
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OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
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{
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adreno_wait_ring(ring->gpu, cnt+1);
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OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
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}
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/* no-op packet: */
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static inline void
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OUT_PKT2(struct msm_ringbuffer *ring)
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{
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adreno_wait_ring(ring->gpu, 1);
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OUT_RING(ring, CP_TYPE2_PKT);
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}
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static inline void
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OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
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{
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adreno_wait_ring(ring->gpu, cnt+1);
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OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
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}
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/*
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* adreno_checkreg_off() - Checks the validity of a register enum
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* @gpu: Pointer to struct adreno_gpu
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* @offset_name: The register enum that is checked
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*/
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static inline bool adreno_reg_check(struct adreno_gpu *gpu,
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enum adreno_regs offset_name)
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{
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if (offset_name >= REG_ADRENO_REGISTER_MAX ||
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!gpu->reg_offsets[offset_name]) {
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BUG();
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}
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return true;
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}
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static inline u32 adreno_gpu_read(struct adreno_gpu *gpu,
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enum adreno_regs offset_name)
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{
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u32 reg = gpu->reg_offsets[offset_name];
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u32 val = 0;
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if(adreno_reg_check(gpu,offset_name))
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val = gpu_read(&gpu->base, reg - 1);
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return val;
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}
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static inline void adreno_gpu_write(struct adreno_gpu *gpu,
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enum adreno_regs offset_name, u32 data)
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{
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u32 reg = gpu->reg_offsets[offset_name];
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if(adreno_reg_check(gpu, offset_name))
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gpu_write(&gpu->base, reg - 1, data);
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}
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#endif /* __ADRENO_GPU_H__ */
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