/* Copyright (c) 2008-2018,2020 The Linux Foundation. All rights reserved. * Copyright (c) 2022 Qualcomm Innovation Center, Inc. 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 and * only 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. * */ #ifndef __ADRENO_H #define __ADRENO_H #include "kgsl_device.h" #include "kgsl_sharedmem.h" #include "adreno_drawctxt.h" #include "adreno_ringbuffer.h" #include "adreno_profile.h" #include "adreno_dispatch.h" #include "kgsl_iommu.h" #include "adreno_perfcounter.h" #include #include #include "a4xx_reg.h" #ifdef CONFIG_QCOM_OCMEM #include #endif #define DEVICE_3D_NAME "kgsl-3d" #define DEVICE_3D0_NAME "kgsl-3d0" /* ADRENO_DEVICE - Given a kgsl_device return the adreno device struct */ #define ADRENO_DEVICE(device) \ container_of(device, struct adreno_device, dev) /* KGSL_DEVICE - given an adreno_device, return the KGSL device struct */ #define KGSL_DEVICE(_dev) (&((_dev)->dev)) /* ADRENO_CONTEXT - Given a context return the adreno context struct */ #define ADRENO_CONTEXT(context) \ container_of(context, struct adreno_context, base) /* ADRENO_GPU_DEVICE - Given an adreno device return the GPU specific struct */ #define ADRENO_GPU_DEVICE(_a) ((_a)->gpucore->gpudev) #define ADRENO_CHIPID_CORE(_id) (((_id) >> 24) & 0xFF) #define ADRENO_CHIPID_MAJOR(_id) (((_id) >> 16) & 0xFF) #define ADRENO_CHIPID_MINOR(_id) (((_id) >> 8) & 0xFF) #define ADRENO_CHIPID_PATCH(_id) ((_id) & 0xFF) /* ADRENO_GPUREV - Return the GPU ID for the given adreno_device */ #define ADRENO_GPUREV(_a) ((_a)->gpucore->gpurev) /* * ADRENO_FEATURE - return true if the specified feature is supported by the GPU * core */ #define ADRENO_FEATURE(_dev, _bit) \ ((_dev)->gpucore->features & (_bit)) /** * ADRENO_QUIRK - return true if the specified quirk is required by the GPU */ #define ADRENO_QUIRK(_dev, _bit) \ ((_dev)->quirks & (_bit)) /* * ADRENO_PREEMPT_STYLE - return preemption style */ #define ADRENO_PREEMPT_STYLE(flags) \ ((flags & KGSL_CONTEXT_PREEMPT_STYLE_MASK) >> \ KGSL_CONTEXT_PREEMPT_STYLE_SHIFT) /* * return the dispatcher drawqueue in which the given drawobj should * be submitted */ #define ADRENO_DRAWOBJ_DISPATCH_DRAWQUEUE(c) \ (&((ADRENO_CONTEXT(c->context))->rb->dispatch_q)) #define ADRENO_DRAWOBJ_RB(c) \ ((ADRENO_CONTEXT(c->context))->rb) /* Adreno core features */ /* The core uses OCMEM for GMEM/binning memory */ #define ADRENO_USES_OCMEM BIT(0) /* The core supports an accelerated warm start */ #define ADRENO_WARM_START BIT(1) /* The core supports the microcode bootstrap functionality */ #define ADRENO_USE_BOOTSTRAP BIT(2) /* The core supports SP/TP hw controlled power collapse */ #define ADRENO_SPTP_PC BIT(3) /* The core supports Peak Power Detection(PPD)*/ #define ADRENO_PPD BIT(4) /* The GPU supports content protection */ #define ADRENO_CONTENT_PROTECTION BIT(5) /* The GPU supports preemption */ #define ADRENO_PREEMPTION BIT(6) /* The core uses GPMU for power and limit management */ #define ADRENO_GPMU BIT(7) /* The GPMU supports Limits Management */ #define ADRENO_LM BIT(8) /* The core uses 64 bit GPU addresses */ #define ADRENO_64BIT BIT(9) /* The GPU supports retention for cpz registers */ #define ADRENO_CPZ_RETENTION BIT(10) /* * Adreno GPU quirks - control bits for various workarounds */ /* Set TWOPASSUSEWFI in PC_DBG_ECO_CNTL (5XX) */ #define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0) /* Lock/unlock mutex to sync with the IOMMU */ #define ADRENO_QUIRK_IOMMU_SYNC BIT(1) /* Submit critical packets at GPU wake up */ #define ADRENO_QUIRK_CRITICAL_PACKETS BIT(2) /* Mask out RB1-3 activity signals from HW hang detection logic */ #define ADRENO_QUIRK_FAULT_DETECT_MASK BIT(3) /* Disable RB sampler datapath clock gating optimization */ #define ADRENO_QUIRK_DISABLE_RB_DP2CLOCKGATING BIT(4) /* Disable local memory(LM) feature to avoid corner case error */ #define ADRENO_QUIRK_DISABLE_LMLOADKILL BIT(5) /* Flags to control command packet settings */ #define KGSL_CMD_FLAGS_NONE 0 #define KGSL_CMD_FLAGS_PMODE BIT(0) #define KGSL_CMD_FLAGS_INTERNAL_ISSUE BIT(1) #define KGSL_CMD_FLAGS_WFI BIT(2) #define KGSL_CMD_FLAGS_PROFILE BIT(3) #define KGSL_CMD_FLAGS_PWRON_FIXUP BIT(4) /* Command identifiers */ #define KGSL_CONTEXT_TO_MEM_IDENTIFIER 0x2EADBEEF #define KGSL_CMD_IDENTIFIER 0x2EEDFACE #define KGSL_CMD_INTERNAL_IDENTIFIER 0x2EEDD00D #define KGSL_START_OF_IB_IDENTIFIER 0x2EADEABE #define KGSL_END_OF_IB_IDENTIFIER 0x2ABEDEAD #define KGSL_START_OF_PROFILE_IDENTIFIER 0x2DEFADE1 #define KGSL_END_OF_PROFILE_IDENTIFIER 0x2DEFADE2 #define KGSL_PWRON_FIXUP_IDENTIFIER 0x2AFAFAFA /* One cannot wait forever for the core to idle, so set an upper limit to the * amount of time to wait for the core to go idle */ #define ADRENO_IDLE_TIMEOUT (20 * 1000) #define ADRENO_UCHE_GMEM_BASE 0x100000 enum adreno_gpurev { ADRENO_REV_UNKNOWN = 0, ADRENO_REV_A304 = 304, ADRENO_REV_A305 = 305, ADRENO_REV_A305C = 306, ADRENO_REV_A306 = 307, ADRENO_REV_A306A = 308, ADRENO_REV_A310 = 310, ADRENO_REV_A320 = 320, ADRENO_REV_A330 = 330, ADRENO_REV_A305B = 335, ADRENO_REV_A405 = 405, ADRENO_REV_A418 = 418, ADRENO_REV_A420 = 420, ADRENO_REV_A430 = 430, ADRENO_REV_A505 = 505, ADRENO_REV_A506 = 506, ADRENO_REV_A508 = 508, ADRENO_REV_A509 = 509, ADRENO_REV_A510 = 510, ADRENO_REV_A512 = 512, ADRENO_REV_A530 = 530, ADRENO_REV_A540 = 540, }; #define ADRENO_START_WARM 0 #define ADRENO_START_COLD 1 #define ADRENO_SOFT_FAULT BIT(0) #define ADRENO_HARD_FAULT BIT(1) #define ADRENO_TIMEOUT_FAULT BIT(2) #define ADRENO_IOMMU_PAGE_FAULT BIT(3) #define ADRENO_PREEMPT_FAULT BIT(4) #define ADRENO_CTX_DETATCH_TIMEOUT_FAULT BIT(5) #define ADRENO_SPTP_PC_CTRL 0 #define ADRENO_PPD_CTRL 1 #define ADRENO_LM_CTRL 2 #define ADRENO_HWCG_CTRL 3 #define ADRENO_THROTTLING_CTRL 4 /* number of throttle counters for DCVS adjustment */ #define ADRENO_GPMU_THROTTLE_COUNTERS 4 /* base for throttle counters */ #define ADRENO_GPMU_THROTTLE_COUNTERS_BASE_REG 43 struct adreno_gpudev; /* Time to allow preemption to complete (in ms) */ #define ADRENO_PREEMPT_TIMEOUT 10000 #define ADRENO_INT_BIT(a, _bit) (((a)->gpucore->gpudev->int_bits) ? \ (adreno_get_int(a, _bit) < 0 ? 0 : \ BIT(adreno_get_int(a, _bit))) : 0) /** * enum adreno_preempt_states * ADRENO_PREEMPT_NONE: No preemption is scheduled * ADRENO_PREEMPT_START: The S/W has started * ADRENO_PREEMPT_TRIGGERED: A preeempt has been triggered in the HW * ADRENO_PREEMPT_FAULTED: The preempt timer has fired * ADRENO_PREEMPT_PENDING: The H/W has signaled preemption complete * ADRENO_PREEMPT_COMPLETE: Preemption could not be finished in the IRQ handler, * worker has been scheduled */ enum adreno_preempt_states { ADRENO_PREEMPT_NONE = 0, ADRENO_PREEMPT_START, ADRENO_PREEMPT_TRIGGERED, ADRENO_PREEMPT_FAULTED, ADRENO_PREEMPT_PENDING, ADRENO_PREEMPT_COMPLETE, }; /** * struct adreno_preemption * @state: The current state of preemption * @counters: Memory descriptor for the memory where the GPU writes the * preemption counters on switch * @timer: A timer to make sure preemption doesn't stall * @work: A work struct for the preemption worker (for 5XX) * @token_submit: Indicates if a preempt token has been submitted in * current ringbuffer (for 4XX) */ struct adreno_preemption { atomic_t state; struct kgsl_memdesc counters; struct timer_list timer; struct work_struct work; bool token_submit; }; struct adreno_busy_data { unsigned int gpu_busy; unsigned int vbif_ram_cycles; unsigned int vbif_starved_ram; unsigned int throttle_cycles[ADRENO_GPMU_THROTTLE_COUNTERS]; }; /** * struct adreno_gpu_core - A specific GPU core definition * @gpurev: Unique GPU revision identifier * @core: Match for the core version of the GPU * @major: Match for the major version of the GPU * @minor: Match for the minor version of the GPU * @patchid: Match for the patch revision of the GPU * @features: Common adreno features supported by this core * @pm4fw_name: Filename for th PM4 firmware * @pfpfw_name: Filename for the PFP firmware * @zap_name: Filename for the Zap Shader ucode * @gpudev: Pointer to the GPU family specific functions for this core * @gmem_size: Amount of binning memory (GMEM/OCMEM) to reserve for the core * @pm4_jt_idx: Index of the jump table in the PM4 microcode * @pm4_jt_addr: Address offset to load the jump table for the PM4 microcode * @pfp_jt_idx: Index of the jump table in the PFP microcode * @pfp_jt_addr: Address offset to load the jump table for the PFP microcode * @pm4_bstrp_size: Size of the bootstrap loader for PM4 microcode * @pfp_bstrp_size: Size of the bootstrap loader for PFP microcde * @pfp_bstrp_ver: Version of the PFP microcode that supports bootstraping * @shader_offset: Offset of shader from gpu reg base * @shader_size: Shader size * @num_protected_regs: number of protected registers * @gpmufw_name: Filename for the GPMU firmware * @gpmu_major: Match for the GPMU & firmware, major revision * @gpmu_minor: Match for the GPMU & firmware, minor revision * @gpmu_features: Supported features for any given GPMU version * @busy_mask: mask to check if GPU is busy in RBBM_STATUS * @lm_major: Limits Management register sequence, major revision * @lm_minor: LM register sequence, minor revision * @regfw_name: Filename for the register sequence firmware * @gpmu_tsens: ID for the temporature sensor used by the GPMU * @max_power: Max possible power draw of a core, units elephant tail hairs */ struct adreno_gpu_core { enum adreno_gpurev gpurev; unsigned int core, major, minor, patchid; unsigned long features; const char *pm4fw_name; const char *pfpfw_name; const char *zap_name; struct adreno_gpudev *gpudev; size_t gmem_size; unsigned int pm4_jt_idx; unsigned int pm4_jt_addr; unsigned int pfp_jt_idx; unsigned int pfp_jt_addr; unsigned int pm4_bstrp_size; unsigned int pfp_bstrp_size; unsigned int pfp_bstrp_ver; unsigned long shader_offset; unsigned int shader_size; unsigned int num_protected_regs; const char *gpmufw_name; unsigned int gpmu_major; unsigned int gpmu_minor; unsigned int gpmu_features; unsigned int busy_mask; unsigned int lm_major, lm_minor; const char *regfw_name; unsigned int gpmu_tsens; unsigned int max_power; }; /** * struct adreno_device - The mothership structure for all adreno related info * @dev: Reference to struct kgsl_device * @priv: Holds the private flags specific to the adreno_device * @chipid: Chip ID specific to the GPU * @gmem_base: Base physical address of GMEM * @gmem_size: GMEM size * @gpucore: Pointer to the adreno_gpu_core structure * @pfp_fw: Buffer which holds the pfp ucode * @pfp_fw_size: Size of pfp ucode buffer * @pfp_fw_version: Version of pfp ucode * @pfp: Memory descriptor which holds pfp ucode buffer info * @pm4_fw: Buffer which holds the pm4 ucode * @pm4_fw_size: Size of pm4 ucode buffer * @pm4_fw_version: Version of pm4 ucode * @pm4: Memory descriptor which holds pm4 ucode buffer info * @gpmu_cmds_size: Length of gpmu cmd stream * @gpmu_cmds: gpmu cmd stream * @ringbuffers: Array of pointers to adreno_ringbuffers * @num_ringbuffers: Number of ringbuffers for the GPU * @cur_rb: Pointer to the current ringbuffer * @next_rb: Ringbuffer we are switching to during preemption * @prev_rb: Ringbuffer we are switching from during preemption * @fast_hang_detect: Software fault detection availability * @ft_policy: Defines the fault tolerance policy * @long_ib_detect: Long IB detection availability * @ft_pf_policy: Defines the fault policy for page faults * @ocmem_hdl: Handle to the ocmem allocated buffer * @profile: Container for adreno profiler information * @dispatcher: Container for adreno GPU dispatcher * @pwron_fixup: Command buffer to run a post-power collapse shader workaround * @pwron_fixup_dwords: Number of dwords in the command buffer * @input_work: Work struct for turning on the GPU after a touch event * @busy_data: Struct holding GPU VBIF busy stats * @ram_cycles_lo: Number of DDR clock cycles for the monitor session * @perfctr_pwr_lo: Number of cycles VBIF is stalled by DDR * @halt: Atomic variable to check whether the GPU is currently halted * @pending_irq_refcnt: Atomic variable to keep track of running IRQ handlers * @ctx_d_debugfs: Context debugfs node * @pwrctrl_flag: Flag to hold adreno specific power attributes * @profile_buffer: Memdesc holding the drawobj profiling buffer * @profile_index: Index to store the start/stop ticks in the profiling * buffer * @sp_local_gpuaddr: Base GPU virtual address for SP local memory * @sp_pvt_gpuaddr: Base GPU virtual address for SP private memory * @lm_fw: The LM firmware handle * @lm_sequence: Pointer to the start of the register write sequence for LM * @lm_size: The dword size of the LM sequence * @lm_limit: limiting value for LM * @lm_threshold_count: register value for counter for lm threshold breakin * @lm_threshold_cross: number of current peaks exceeding threshold * @speed_bin: Indicate which power level set to use * @csdev: Pointer to a coresight device (if applicable) * @gpmu_throttle_counters - counteers for number of throttled clocks * @irq_storm_work: Worker to handle possible interrupt storms * @active_list: List to track active contexts * @active_list_lock: Lock to protect active_list */ struct adreno_device { struct kgsl_device dev; /* Must be first field in this struct */ unsigned long priv; unsigned int chipid; unsigned long gmem_base; unsigned long gmem_size; const struct adreno_gpu_core *gpucore; unsigned int *pfp_fw; size_t pfp_fw_size; unsigned int pfp_fw_version; struct kgsl_memdesc pfp; unsigned int *pm4_fw; size_t pm4_fw_size; unsigned int pm4_fw_version; struct kgsl_memdesc pm4; size_t gpmu_cmds_size; unsigned int *gpmu_cmds; struct adreno_ringbuffer ringbuffers[KGSL_PRIORITY_MAX_RB_LEVELS]; int num_ringbuffers; struct adreno_ringbuffer *cur_rb; struct adreno_ringbuffer *next_rb; struct adreno_ringbuffer *prev_rb; unsigned int fast_hang_detect; unsigned long ft_policy; unsigned int long_ib_detect; unsigned long ft_pf_policy; struct ocmem_buf *ocmem_hdl; struct adreno_profile profile; struct adreno_dispatcher dispatcher; struct kgsl_memdesc pwron_fixup; unsigned int pwron_fixup_dwords; struct work_struct input_work; struct adreno_busy_data busy_data; unsigned int ram_cycles_lo; unsigned int starved_ram_lo; unsigned int perfctr_pwr_lo; atomic_t halt; atomic_t pending_irq_refcnt; struct dentry *ctx_d_debugfs; unsigned long pwrctrl_flag; struct kgsl_memdesc profile_buffer; unsigned int profile_index; uint64_t sp_local_gpuaddr; uint64_t sp_pvt_gpuaddr; const struct firmware *lm_fw; uint32_t *lm_sequence; uint32_t lm_size; struct adreno_preemption preempt; struct work_struct gpmu_work; uint32_t lm_leakage; uint32_t lm_limit; uint32_t lm_threshold_count; uint32_t lm_threshold_cross; unsigned int speed_bin; unsigned int quirks; struct coresight_device *csdev; uint32_t gpmu_throttle_counters[ADRENO_GPMU_THROTTLE_COUNTERS]; struct work_struct irq_storm_work; struct list_head active_list; spinlock_t active_list_lock; /* * @perfcounter: Flag to clear perfcounters across contexts and * controls perfcounter ioctl read */ bool perfcounter; }; /** * enum adreno_device_flags - Private flags for the adreno_device * @ADRENO_DEVICE_PWRON - Set during init after a power collapse * @ADRENO_DEVICE_PWRON_FIXUP - Set if the target requires the shader fixup * after power collapse * @ADRENO_DEVICE_CORESIGHT - Set if the coresight (trace bus) registers should * be restored after power collapse * @ADRENO_DEVICE_HANG_INTR - Set if the hang interrupt should be enabled for * this target * @ADRENO_DEVICE_STARTED - Set if the device start sequence is in progress * @ADRENO_DEVICE_FAULT - Set if the device is currently in fault (and shouldn't * send any more commands to the ringbuffer) * @ADRENO_DEVICE_DRAWOBJ_PROFILE - Set if the device supports drawobj * profiling via the ALWAYSON counter * @ADRENO_DEVICE_PREEMPTION - Turn on/off preemption * @ADRENO_DEVICE_SOFT_FAULT_DETECT - Set if soft fault detect is enabled * @ADRENO_DEVICE_GPMU_INITIALIZED - Set if GPMU firmware initialization succeed * @ADRENO_DEVICE_ISDB_ENABLED - Set if the Integrated Shader DeBugger is * attached and enabled * @ADRENO_DEVICE_CACHE_FLUSH_TS_SUSPENDED - Set if a CACHE_FLUSH_TS irq storm * is in progress */ enum adreno_device_flags { ADRENO_DEVICE_PWRON = 0, ADRENO_DEVICE_PWRON_FIXUP = 1, ADRENO_DEVICE_INITIALIZED = 2, ADRENO_DEVICE_CORESIGHT = 3, ADRENO_DEVICE_HANG_INTR = 4, ADRENO_DEVICE_STARTED = 5, ADRENO_DEVICE_FAULT = 6, ADRENO_DEVICE_DRAWOBJ_PROFILE = 7, ADRENO_DEVICE_GPU_REGULATOR_ENABLED = 8, ADRENO_DEVICE_PREEMPTION = 9, ADRENO_DEVICE_SOFT_FAULT_DETECT = 10, ADRENO_DEVICE_GPMU_INITIALIZED = 11, ADRENO_DEVICE_ISDB_ENABLED = 12, ADRENO_DEVICE_CACHE_FLUSH_TS_SUSPENDED = 13, }; /** * struct adreno_drawobj_profile_entry - a single drawobj entry in the * kernel profiling buffer * @started: Number of GPU ticks at start of the drawobj * @retired: Number of GPU ticks at the end of the drawobj */ struct adreno_drawobj_profile_entry { uint64_t started; uint64_t retired; }; #define ADRENO_DRAWOBJ_PROFILE_COUNT \ (PAGE_SIZE / sizeof(struct adreno_drawobj_profile_entry)) #define ADRENO_DRAWOBJ_PROFILE_OFFSET(_index, _member) \ ((_index) * sizeof(struct adreno_drawobj_profile_entry) \ + offsetof(struct adreno_drawobj_profile_entry, _member)) /** * adreno_regs: List of registers that are used in kgsl driver for 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 { ADRENO_REG_CP_ME_RAM_WADDR, ADRENO_REG_CP_ME_RAM_DATA, ADRENO_REG_CP_PFP_UCODE_DATA, ADRENO_REG_CP_PFP_UCODE_ADDR, ADRENO_REG_CP_WFI_PEND_CTR, ADRENO_REG_CP_RB_BASE, ADRENO_REG_CP_RB_BASE_HI, ADRENO_REG_CP_RB_RPTR_ADDR_LO, ADRENO_REG_CP_RB_RPTR_ADDR_HI, ADRENO_REG_CP_RB_RPTR, ADRENO_REG_CP_RB_WPTR, ADRENO_REG_CP_CNTL, ADRENO_REG_CP_ME_CNTL, ADRENO_REG_CP_RB_CNTL, ADRENO_REG_CP_IB1_BASE, ADRENO_REG_CP_IB1_BASE_HI, ADRENO_REG_CP_IB1_BUFSZ, ADRENO_REG_CP_IB2_BASE, ADRENO_REG_CP_IB2_BASE_HI, ADRENO_REG_CP_IB2_BUFSZ, ADRENO_REG_CP_TIMESTAMP, ADRENO_REG_CP_SCRATCH_REG6, ADRENO_REG_CP_SCRATCH_REG7, ADRENO_REG_CP_ME_RAM_RADDR, ADRENO_REG_CP_ROQ_ADDR, ADRENO_REG_CP_ROQ_DATA, ADRENO_REG_CP_MERCIU_ADDR, ADRENO_REG_CP_MERCIU_DATA, ADRENO_REG_CP_MERCIU_DATA2, ADRENO_REG_CP_MEQ_ADDR, ADRENO_REG_CP_MEQ_DATA, ADRENO_REG_CP_HW_FAULT, ADRENO_REG_CP_PROTECT_STATUS, ADRENO_REG_CP_PREEMPT, ADRENO_REG_CP_PREEMPT_DEBUG, ADRENO_REG_CP_PREEMPT_DISABLE, ADRENO_REG_CP_PROTECT_REG_0, ADRENO_REG_CP_CONTEXT_SWITCH_SMMU_INFO_LO, ADRENO_REG_CP_CONTEXT_SWITCH_SMMU_INFO_HI, ADRENO_REG_RBBM_STATUS, ADRENO_REG_RBBM_STATUS3, ADRENO_REG_RBBM_PERFCTR_CTL, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD0, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD1, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD2, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD3, ADRENO_REG_RBBM_PERFCTR_PWR_1_LO, ADRENO_REG_RBBM_INT_0_MASK, ADRENO_REG_RBBM_INT_0_STATUS, ADRENO_REG_RBBM_PM_OVERRIDE2, ADRENO_REG_RBBM_INT_CLEAR_CMD, ADRENO_REG_RBBM_SW_RESET_CMD, ADRENO_REG_RBBM_BLOCK_SW_RESET_CMD, ADRENO_REG_RBBM_BLOCK_SW_RESET_CMD2, ADRENO_REG_RBBM_CLOCK_CTL, ADRENO_REG_VPC_DEBUG_RAM_SEL, ADRENO_REG_VPC_DEBUG_RAM_READ, ADRENO_REG_PA_SC_AA_CONFIG, ADRENO_REG_SQ_GPR_MANAGEMENT, ADRENO_REG_SQ_INST_STORE_MANAGMENT, ADRENO_REG_TP0_CHICKEN, ADRENO_REG_RBBM_RBBM_CTL, ADRENO_REG_UCHE_INVALIDATE0, ADRENO_REG_UCHE_INVALIDATE1, ADRENO_REG_RBBM_PERFCTR_RBBM_0_LO, ADRENO_REG_RBBM_PERFCTR_RBBM_0_HI, ADRENO_REG_RBBM_PERFCTR_LOAD_VALUE_LO, ADRENO_REG_RBBM_PERFCTR_LOAD_VALUE_HI, ADRENO_REG_RBBM_SECVID_TRUST_CONTROL, ADRENO_REG_RBBM_ALWAYSON_COUNTER_LO, ADRENO_REG_RBBM_ALWAYSON_COUNTER_HI, ADRENO_REG_RBBM_SECVID_TRUST_CONFIG, ADRENO_REG_RBBM_SECVID_TSB_CONTROL, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_BASE, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_BASE_HI, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_SIZE, ADRENO_REG_VBIF_XIN_HALT_CTRL0, ADRENO_REG_VBIF_XIN_HALT_CTRL1, ADRENO_REG_VBIF_VERSION, ADRENO_REG_REGISTER_MAX, }; enum adreno_int_bits { ADRENO_INT_RBBM_AHB_ERROR, ADRENO_INT_BITS_MAX, }; /** * adreno_reg_offsets: Holds array of register offsets * @offsets: Offset array of size defined by enum adreno_regs * @offset_0: This is the index of the register in offset array whose value * is 0. 0 is a valid register offset and during initialization of the * offset array we need to know if an offset value is correctly defined to 0 */ struct adreno_reg_offsets { unsigned int *const offsets; enum adreno_regs offset_0; }; #define ADRENO_REG_UNUSED 0xFFFFFFFF #define ADRENO_REG_SKIP 0xFFFFFFFE #define ADRENO_REG_DEFINE(_offset, _reg) [_offset] = _reg #define ADRENO_INT_DEFINE(_offset, _val) ADRENO_REG_DEFINE(_offset, _val) /* * struct adreno_vbif_data - Describes vbif register value pair * @reg: Offset to vbif register * @val: The value that should be programmed in the register at reg */ struct adreno_vbif_data { unsigned int reg; unsigned int val; }; /* * struct adreno_vbif_platform - Holds an array of vbif reg value pairs * for a particular core * @devfunc: Pointer to platform/core identification function * @vbif: Array of reg value pairs for vbif registers */ struct adreno_vbif_platform { int(*devfunc)(struct adreno_device *); const struct adreno_vbif_data *vbif; }; /* * struct adreno_vbif_snapshot_registers - Holds an array of vbif registers * listed for snapshot dump for a particular core * @version: vbif version * @mask: vbif revision mask * @registers: vbif registers listed for snapshot dump * @count: count of vbif registers listed for snapshot */ struct adreno_vbif_snapshot_registers { const unsigned int version; const unsigned int mask; const unsigned int *registers; const int count; }; /** * struct adreno_coresight_register - Definition for a coresight (tracebus) * debug register * @offset: Offset of the debug register in the KGSL mmio region * @initial: Default value to write when coresight is enabled * @value: Current shadow value of the register (to be reprogrammed after power * collapse) */ struct adreno_coresight_register { unsigned int offset; unsigned int initial; unsigned int value; }; struct adreno_coresight_attr { struct device_attribute attr; struct adreno_coresight_register *reg; }; ssize_t adreno_coresight_show_register(struct device *device, struct device_attribute *attr, char *buf); ssize_t adreno_coresight_store_register(struct device *dev, struct device_attribute *attr, const char *buf, size_t size); #define ADRENO_CORESIGHT_ATTR(_attrname, _reg) \ struct adreno_coresight_attr coresight_attr_##_attrname = { \ __ATTR(_attrname, S_IRUGO | S_IWUSR, \ adreno_coresight_show_register, \ adreno_coresight_store_register), \ (_reg), } /** * struct adreno_coresight - GPU specific coresight definition * @registers - Array of GPU specific registers to configure trace bus output * @count - Number of registers in the array * @groups - Pointer to an attribute list of control files * @atid - The unique ATID value of the coresight device */ struct adreno_coresight { struct adreno_coresight_register *registers; unsigned int count; const struct attribute_group **groups; unsigned int atid; }; struct adreno_irq_funcs { void (*func)(struct adreno_device *, int); }; #define ADRENO_IRQ_CALLBACK(_c) { .func = _c } struct adreno_irq { unsigned int mask; struct adreno_irq_funcs *funcs; }; /* * struct adreno_debugbus_block - Holds info about debug buses of a chip * @block_id: Bus identifier * @dwords: Number of dwords of data that this block holds */ struct adreno_debugbus_block { unsigned int block_id; unsigned int dwords; }; /* * struct adreno_snapshot_section_sizes - Structure holding the size of * different sections dumped during device snapshot * @cp_pfp: CP PFP data section size * @cp_me: CP ME data section size * @vpc_mem: VPC memory section size * @cp_meq: CP MEQ size * @shader_mem: Size of shader memory of 1 shader section * @cp_merciu: CP MERCIU size * @roq: ROQ size */ struct adreno_snapshot_sizes { int cp_pfp; int cp_me; int vpc_mem; int cp_meq; int shader_mem; int cp_merciu; int roq; }; /* * struct adreno_snapshot_data - Holds data used in snapshot * @sect_sizes: Has sections sizes */ struct adreno_snapshot_data { struct adreno_snapshot_sizes *sect_sizes; }; struct adreno_gpudev { /* * These registers are in a different location on different devices, * so define them in the structure and use them as variables. */ const struct adreno_reg_offsets *reg_offsets; unsigned int *const int_bits; const struct adreno_ft_perf_counters *ft_perf_counters; unsigned int ft_perf_counters_count; struct adreno_perfcounters *perfcounters; const struct adreno_invalid_countables *invalid_countables; struct adreno_snapshot_data *snapshot_data; struct adreno_coresight *coresight; struct adreno_irq *irq; int num_prio_levels; unsigned int vbif_xin_halt_ctrl0_mask; /* GPU specific function hooks */ void (*irq_trace)(struct adreno_device *, unsigned int status); void (*snapshot)(struct adreno_device *, struct kgsl_snapshot *); void (*platform_setup)(struct adreno_device *); void (*init)(struct adreno_device *); void (*remove)(struct adreno_device *); int (*rb_start)(struct adreno_device *, unsigned int start_type); int (*microcode_read)(struct adreno_device *); void (*perfcounter_init)(struct adreno_device *); void (*perfcounter_close)(struct adreno_device *); void (*start)(struct adreno_device *); bool (*is_sptp_idle)(struct adreno_device *); int (*regulator_enable)(struct adreno_device *); void (*regulator_disable)(struct adreno_device *); void (*pwrlevel_change_settings)(struct adreno_device *, unsigned int prelevel, unsigned int postlevel, bool post); uint64_t (*read_throttling_counters)(struct adreno_device *); void (*count_throttles)(struct adreno_device *, uint64_t adj); int (*enable_pwr_counters)(struct adreno_device *, unsigned int counter); unsigned int (*preemption_pre_ibsubmit)(struct adreno_device *, struct adreno_ringbuffer *rb, unsigned int *, struct kgsl_context *); int (*preemption_yield_enable)(unsigned int *); unsigned int (*preemption_post_ibsubmit)(struct adreno_device *, unsigned int *); int (*preemption_init)(struct adreno_device *); void (*preemption_schedule)(struct adreno_device *); void (*enable_64bit)(struct adreno_device *); void (*clk_set_options)(struct adreno_device *, const char *, struct clk *, bool on); void (*zap_shader_unload)(struct adreno_device *); }; /** * enum kgsl_ft_policy_bits - KGSL fault tolerance policy bits * @KGSL_FT_OFF: Disable fault detection (not used) * @KGSL_FT_REPLAY: Replay the faulting command * @KGSL_FT_SKIPIB: Skip the faulting indirect buffer * @KGSL_FT_SKIPFRAME: Skip the frame containing the faulting IB * @KGSL_FT_DISABLE: Tells the dispatcher to disable FT for the command obj * @KGSL_FT_TEMP_DISABLE: Disables FT for all commands * @KGSL_FT_THROTTLE: Disable the context if it faults too often * @KGSL_FT_SKIPCMD: Skip the command containing the faulting IB */ enum kgsl_ft_policy_bits { KGSL_FT_OFF = 0, KGSL_FT_REPLAY = 1, KGSL_FT_SKIPIB = 2, KGSL_FT_SKIPFRAME = 3, KGSL_FT_DISABLE = 4, KGSL_FT_TEMP_DISABLE = 5, KGSL_FT_THROTTLE = 6, KGSL_FT_SKIPCMD = 7, /* KGSL_FT_MAX_BITS is used to calculate the mask */ KGSL_FT_MAX_BITS, /* Internal bits - set during GFT */ /* Skip the PM dump on replayed command obj's */ KGSL_FT_SKIP_PMDUMP = 31, }; #define KGSL_FT_POLICY_MASK GENMASK(KGSL_FT_MAX_BITS - 1, 0) #define KGSL_FT_DEFAULT_POLICY \ (BIT(KGSL_FT_REPLAY) | \ BIT(KGSL_FT_SKIPCMD) | \ BIT(KGSL_FT_THROTTLE)) #define ADRENO_FT_TYPES \ { BIT(KGSL_FT_OFF), "off" }, \ { BIT(KGSL_FT_REPLAY), "replay" }, \ { BIT(KGSL_FT_SKIPIB), "skipib" }, \ { BIT(KGSL_FT_SKIPFRAME), "skipframe" }, \ { BIT(KGSL_FT_DISABLE), "disable" }, \ { BIT(KGSL_FT_TEMP_DISABLE), "temp" }, \ { BIT(KGSL_FT_THROTTLE), "throttle"}, \ { BIT(KGSL_FT_SKIPCMD), "skipcmd" } /** * enum kgsl_ft_pagefault_policy_bits - KGSL pagefault policy bits * @KGSL_FT_PAGEFAULT_INT_ENABLE: No longer used, but retained for compatibility * @KGSL_FT_PAGEFAULT_GPUHALT_ENABLE: enable GPU halt on pagefaults * @KGSL_FT_PAGEFAULT_LOG_ONE_PER_PAGE: log one pagefault per page * @KGSL_FT_PAGEFAULT_LOG_ONE_PER_INT: log one pagefault per interrupt */ enum { KGSL_FT_PAGEFAULT_INT_ENABLE = 0, KGSL_FT_PAGEFAULT_GPUHALT_ENABLE = 1, KGSL_FT_PAGEFAULT_LOG_ONE_PER_PAGE = 2, KGSL_FT_PAGEFAULT_LOG_ONE_PER_INT = 3, /* KGSL_FT_PAGEFAULT_MAX_BITS is used to calculate the mask */ KGSL_FT_PAGEFAULT_MAX_BITS, }; #define KGSL_FT_PAGEFAULT_MASK GENMASK(KGSL_FT_PAGEFAULT_MAX_BITS - 1, 0) #define KGSL_FT_PAGEFAULT_DEFAULT_POLICY 0 #define FOR_EACH_RINGBUFFER(_dev, _rb, _i) \ for ((_i) = 0, (_rb) = &((_dev)->ringbuffers[0]); \ (_i) < (_dev)->num_ringbuffers; \ (_i)++, (_rb)++) struct adreno_ft_perf_counters { unsigned int counter; unsigned int countable; }; extern unsigned int *adreno_ft_regs; extern unsigned int adreno_ft_regs_num; extern unsigned int *adreno_ft_regs_val; extern struct adreno_gpudev adreno_a3xx_gpudev; extern struct adreno_gpudev adreno_a4xx_gpudev; extern struct adreno_gpudev adreno_a5xx_gpudev; extern int adreno_wake_nice; extern unsigned int adreno_wake_timeout; long adreno_ioctl(struct kgsl_device_private *dev_priv, unsigned int cmd, unsigned long arg); long adreno_ioctl_helper(struct kgsl_device_private *dev_priv, unsigned int cmd, unsigned long arg, const struct kgsl_ioctl *cmds, int len); int adreno_spin_idle(struct adreno_device *device, unsigned int timeout); int adreno_idle(struct kgsl_device *device); bool adreno_isidle(struct kgsl_device *device); int adreno_set_constraint(struct kgsl_device *device, struct kgsl_context *context, struct kgsl_device_constraint *constraint); void adreno_shadermem_regread(struct kgsl_device *device, unsigned int offsetwords, unsigned int *value); void adreno_snapshot(struct kgsl_device *device, struct kgsl_snapshot *snapshot, struct kgsl_context *context); int adreno_reset(struct kgsl_device *device, int fault); void adreno_fault_skipcmd_detached(struct adreno_device *adreno_dev, struct adreno_context *drawctxt, struct kgsl_drawobj *drawobj); int adreno_coresight_init(struct adreno_device *adreno_dev); void adreno_coresight_start(struct adreno_device *adreno_dev); void adreno_coresight_stop(struct adreno_device *adreno_dev); void adreno_coresight_remove(struct adreno_device *adreno_dev); bool adreno_hw_isidle(struct adreno_device *adreno_dev); void adreno_fault_detect_start(struct adreno_device *adreno_dev); void adreno_fault_detect_stop(struct adreno_device *adreno_dev); void adreno_hang_int_callback(struct adreno_device *adreno_dev, int bit); void adreno_cp_callback(struct adreno_device *adreno_dev, int bit); int adreno_sysfs_init(struct adreno_device *adreno_dev); void adreno_sysfs_close(struct adreno_device *adreno_dev); void adreno_irqctrl(struct adreno_device *adreno_dev, int state); long adreno_ioctl_perfcounter_get(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data); long adreno_ioctl_perfcounter_put(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data); int adreno_efuse_map(struct adreno_device *adreno_dev); int adreno_efuse_read_u32(struct adreno_device *adreno_dev, unsigned int offset, unsigned int *val); void adreno_efuse_unmap(struct adreno_device *adreno_dev); u32 adreno_get_ucode_version(const u32 *data); #define ADRENO_TARGET(_name, _id) \ static inline int adreno_is_##_name(struct adreno_device *adreno_dev) \ { \ return (ADRENO_GPUREV(adreno_dev) == (_id)); \ } static inline int adreno_is_a3xx(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) >= 300) && (ADRENO_GPUREV(adreno_dev) < 400)); } ADRENO_TARGET(a304, ADRENO_REV_A304) ADRENO_TARGET(a305, ADRENO_REV_A305) ADRENO_TARGET(a305b, ADRENO_REV_A305B) ADRENO_TARGET(a305c, ADRENO_REV_A305C) ADRENO_TARGET(a306, ADRENO_REV_A306) ADRENO_TARGET(a306a, ADRENO_REV_A306A) ADRENO_TARGET(a310, ADRENO_REV_A310) ADRENO_TARGET(a320, ADRENO_REV_A320) ADRENO_TARGET(a330, ADRENO_REV_A330) static inline int adreno_is_a330v2(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A330) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) > 0)); } static inline int adreno_is_a330v21(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A330) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) > 0xF)); } static inline int adreno_is_a4xx(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 400 && ADRENO_GPUREV(adreno_dev) < 500; } ADRENO_TARGET(a405, ADRENO_REV_A405); static inline int adreno_is_a405v2(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A405) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 0x10); } ADRENO_TARGET(a418, ADRENO_REV_A418) ADRENO_TARGET(a420, ADRENO_REV_A420) ADRENO_TARGET(a430, ADRENO_REV_A430) static inline int adreno_is_a430v2(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A430) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 1)); } static inline int adreno_is_a5xx(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 500 && ADRENO_GPUREV(adreno_dev) < 600; } ADRENO_TARGET(a505, ADRENO_REV_A505) ADRENO_TARGET(a506, ADRENO_REV_A506) ADRENO_TARGET(a508, ADRENO_REV_A508) ADRENO_TARGET(a509, ADRENO_REV_A509) ADRENO_TARGET(a510, ADRENO_REV_A510) ADRENO_TARGET(a512, ADRENO_REV_A512) ADRENO_TARGET(a530, ADRENO_REV_A530) ADRENO_TARGET(a540, ADRENO_REV_A540) static inline int adreno_is_a530v1(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 0); } static inline int adreno_is_a530v2(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 1); } static inline int adreno_is_a530v3(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 2); } static inline int adreno_is_a505_or_a506(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 505 && ADRENO_GPUREV(adreno_dev) <= 506; } static inline int adreno_is_a540v1(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A540) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 0); } static inline int adreno_is_a540v2(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A540) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 1); } /* * adreno_checkreg_off() - Checks the validity of a register enum * @adreno_dev: Pointer to adreno device * @offset_name: The register enum that is checked */ static inline bool adreno_checkreg_off(struct adreno_device *adreno_dev, enum adreno_regs offset_name) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (offset_name >= ADRENO_REG_REGISTER_MAX || ADRENO_REG_UNUSED == gpudev->reg_offsets->offsets[offset_name]) BUG(); /* * GPU register programming is kept common as much as possible * across the cores, Use ADRENO_REG_SKIP when certain register * programming needs to be skipped for certain GPU cores. * Example: Certain registers on a5xx like IB1_BASE are 64 bit. * Common programming programs 64bit register but upper 32 bits * are skipped in a4xx and a3xx using ADRENO_REG_SKIP. */ if (ADRENO_REG_SKIP == gpudev->reg_offsets->offsets[offset_name]) return false; return true; } /* * adreno_readreg() - Read a register by getting its offset from the * offset array defined in gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum that is to be read * @val: Register value read is placed here */ static inline void adreno_readreg(struct adreno_device *adreno_dev, enum adreno_regs offset_name, unsigned int *val) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (adreno_checkreg_off(adreno_dev, offset_name)) kgsl_regread(KGSL_DEVICE(adreno_dev), gpudev->reg_offsets->offsets[offset_name], val); else *val = 0; } /* * adreno_writereg() - Write a register by getting its offset from the * offset array defined in gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum that is to be written * @val: Value to write */ static inline void adreno_writereg(struct adreno_device *adreno_dev, enum adreno_regs offset_name, unsigned int val) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (adreno_checkreg_off(adreno_dev, offset_name)) kgsl_regwrite(KGSL_DEVICE(adreno_dev), gpudev->reg_offsets->offsets[offset_name], val); } /* * adreno_getreg() - Returns the offset value of a register from the * register offset array in the gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum whore offset is returned */ static inline unsigned int adreno_getreg(struct adreno_device *adreno_dev, enum adreno_regs offset_name) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (!adreno_checkreg_off(adreno_dev, offset_name)) return ADRENO_REG_REGISTER_MAX; return gpudev->reg_offsets->offsets[offset_name]; } /* * adreno_get_int() - Returns the offset value of an interrupt bit from * the interrupt bit array in the gpudev node * @adreno_dev: Pointer to the the adreno device * @bit_name: The interrupt bit enum whose bit is returned */ static inline unsigned int adreno_get_int(struct adreno_device *adreno_dev, enum adreno_int_bits bit_name) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (bit_name >= ADRENO_INT_BITS_MAX) return -ERANGE; return gpudev->int_bits[bit_name]; } /** * adreno_gpu_fault() - Return the current state of the GPU * @adreno_dev: A pointer to the adreno_device to query * * Return 0 if there is no fault or positive with the last type of fault that * occurred */ static inline unsigned int adreno_gpu_fault(struct adreno_device *adreno_dev) { smp_rmb(); return atomic_read(&adreno_dev->dispatcher.fault); } /** * adreno_set_gpu_fault() - Set the current fault status of the GPU * @adreno_dev: A pointer to the adreno_device to set * @state: fault state to set * */ static inline void adreno_set_gpu_fault(struct adreno_device *adreno_dev, int state) { /* only set the fault bit w/o overwriting other bits */ atomic_add(state, &adreno_dev->dispatcher.fault); smp_wmb(); } /** * adreno_clear_gpu_fault() - Clear the GPU fault register * @adreno_dev: A pointer to an adreno_device structure * * Clear the GPU fault status for the adreno device */ static inline void adreno_clear_gpu_fault(struct adreno_device *adreno_dev) { atomic_set(&adreno_dev->dispatcher.fault, 0); smp_wmb(); } /** * adreno_gpu_halt() - Return the GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline int adreno_gpu_halt(struct adreno_device *adreno_dev) { smp_rmb(); return atomic_read(&adreno_dev->halt); } /** * adreno_clear_gpu_halt() - Clear the GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_clear_gpu_halt(struct adreno_device *adreno_dev) { atomic_set(&adreno_dev->halt, 0); smp_wmb(); } /** * adreno_get_gpu_halt() - Increment GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_get_gpu_halt(struct adreno_device *adreno_dev) { atomic_inc(&adreno_dev->halt); } /** * adreno_put_gpu_halt() - Decrement GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_put_gpu_halt(struct adreno_device *adreno_dev) { if (atomic_dec_return(&adreno_dev->halt) < 0) BUG(); } /* * adreno_vbif_start() - Program VBIF registers, called in device start * @adreno_dev: Pointer to device whose vbif data is to be programmed * @vbif_platforms: list register value pair of vbif for a family * of adreno cores * @num_platforms: Number of platforms contained in vbif_platforms */ static inline void adreno_vbif_start(struct adreno_device *adreno_dev, const struct adreno_vbif_platform *vbif_platforms, int num_platforms) { int i; const struct adreno_vbif_data *vbif = NULL; for (i = 0; i < num_platforms; i++) { if (vbif_platforms[i].devfunc(adreno_dev)) { vbif = vbif_platforms[i].vbif; break; } } while ((vbif != NULL) && (vbif->reg != 0)) { kgsl_regwrite(KGSL_DEVICE(adreno_dev), vbif->reg, vbif->val); vbif++; } } /** * adreno_set_protected_registers() - Protect the specified range of registers * from being accessed by the GPU * @adreno_dev: pointer to the Adreno device * @index: Pointer to the index of the protect mode register to write to * @reg: Starting dword register to write * @mask_len: Size of the mask to protect (# of registers = 2 ** mask_len) * * Add the range of registers to the list of protected mode registers that will * cause an exception if the GPU accesses them. There are 16 available * protected mode registers. Index is used to specify which register to write * to - the intent is to call this function multiple times with the same index * pointer for each range and the registers will be magically programmed in * incremental fashion */ static inline void adreno_set_protected_registers( struct adreno_device *adreno_dev, unsigned int *index, unsigned int reg, int mask_len) { unsigned int val; unsigned int base = adreno_getreg(adreno_dev, ADRENO_REG_CP_PROTECT_REG_0); unsigned int offset = *index; if (adreno_dev->gpucore->num_protected_regs) BUG_ON(*index >= adreno_dev->gpucore->num_protected_regs); else BUG_ON(*index >= 16); /* * On A4XX targets with more than 16 protected mode registers * the upper registers are not contiguous with the lower 16 * registers so we have to adjust the base and offset accordingly */ if (adreno_is_a4xx(adreno_dev) && *index >= 0x10) { base = A4XX_CP_PROTECT_REG_10; offset = *index - 0x10; } val = 0x60000000 | ((mask_len & 0x1F) << 24) | ((reg << 2) & 0xFFFFF); kgsl_regwrite(KGSL_DEVICE(adreno_dev), base + offset, val); *index = *index + 1; } #ifdef CONFIG_DEBUG_FS void adreno_debugfs_init(struct adreno_device *adreno_dev); void adreno_context_debugfs_init(struct adreno_device *, struct adreno_context *); #else static inline void adreno_debugfs_init(struct adreno_device *adreno_dev) { } static inline void adreno_context_debugfs_init(struct adreno_device *device, struct adreno_context *context) { } #endif /** * adreno_compare_pm4_version() - Compare the PM4 microcode version * @adreno_dev: Pointer to the adreno_device struct * @version: Version number to compare again * * Compare the current version against the specified version and return -1 if * the current code is older, 0 if equal or 1 if newer. */ static inline int adreno_compare_pm4_version(struct adreno_device *adreno_dev, unsigned int version) { if (adreno_dev->pm4_fw_version == version) return 0; return (adreno_dev->pm4_fw_version > version) ? 1 : -1; } /** * adreno_compare_pfp_version() - Compare the PFP microcode version * @adreno_dev: Pointer to the adreno_device struct * @version: Version number to compare against * * Compare the current version against the specified version and return -1 if * the current code is older, 0 if equal or 1 if newer. */ static inline int adreno_compare_pfp_version(struct adreno_device *adreno_dev, unsigned int version) { if (adreno_dev->pfp_fw_version == version) return 0; return (adreno_dev->pfp_fw_version > version) ? 1 : -1; } /* * adreno_bootstrap_ucode() - Checks if Ucode bootstrapping is supported * @adreno_dev: Pointer to the the adreno device */ static inline int adreno_bootstrap_ucode(struct adreno_device *adreno_dev) { return (ADRENO_FEATURE(adreno_dev, ADRENO_USE_BOOTSTRAP) && adreno_compare_pfp_version(adreno_dev, adreno_dev->gpucore->pfp_bstrp_ver) >= 0) ? 1 : 0; } /** * adreno_in_preempt_state() - Check if preemption state is equal to given state * @adreno_dev: Device whose preemption state is checked * @state: State to compare against */ static inline bool adreno_in_preempt_state(struct adreno_device *adreno_dev, enum adreno_preempt_states state) { return atomic_read(&adreno_dev->preempt.state) == state; } /** * adreno_set_preempt_state() - Set the specified preemption state * @adreno_dev: Device to change preemption state * @state: State to set */ static inline void adreno_set_preempt_state(struct adreno_device *adreno_dev, enum adreno_preempt_states state) { /* * atomic_set doesn't use barriers, so we need to do it ourselves. One * before... */ smp_wmb(); atomic_set(&adreno_dev->preempt.state, state); /* ... and one after */ smp_wmb(); } static inline bool adreno_is_preemption_enabled( struct adreno_device *adreno_dev) { return test_bit(ADRENO_DEVICE_PREEMPTION, &adreno_dev->priv); } /** * adreno_ctx_get_rb() - Return the ringbuffer that a context should * use based on priority * @adreno_dev: The adreno device that context is using * @drawctxt: The context pointer */ static inline struct adreno_ringbuffer *adreno_ctx_get_rb( struct adreno_device *adreno_dev, struct adreno_context *drawctxt) { struct kgsl_context *context; int level; if (!drawctxt) return NULL; context = &(drawctxt->base); /* * If preemption is disabled then everybody needs to go on the same * ringbuffer */ if (!adreno_is_preemption_enabled(adreno_dev)) return &(adreno_dev->ringbuffers[0]); /* * Math to convert the priority field in context structure to an RB ID. * Divide up the context priority based on number of ringbuffer levels. */ level = context->priority / adreno_dev->num_ringbuffers; if (level < adreno_dev->num_ringbuffers) return &(adreno_dev->ringbuffers[level]); else return &(adreno_dev->ringbuffers[ adreno_dev->num_ringbuffers - 1]); } /* * adreno_compare_prio_level() - Compares 2 priority levels based on enum values * @p1: First priority level * @p2: Second priority level * * Returns greater than 0 if p1 is higher priority, 0 if levels are equal else * less than 0 */ static inline int adreno_compare_prio_level(int p1, int p2) { return p2 - p1; } void adreno_readreg64(struct adreno_device *adreno_dev, enum adreno_regs lo, enum adreno_regs hi, uint64_t *val); void adreno_writereg64(struct adreno_device *adreno_dev, enum adreno_regs lo, enum adreno_regs hi, uint64_t val); unsigned int adreno_get_rptr(struct adreno_ringbuffer *rb); static inline bool adreno_rb_empty(struct adreno_ringbuffer *rb) { return (adreno_get_rptr(rb) == rb->wptr); } static inline bool adreno_soft_fault_detect(struct adreno_device *adreno_dev) { return adreno_dev->fast_hang_detect && !test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv); } static inline bool adreno_long_ib_detect(struct adreno_device *adreno_dev) { return adreno_dev->long_ib_detect && !test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv); } /* * adreno_support_64bit() - Check the feature flag only if it is in * 64bit kernel otherwise return false * adreno_dev: The adreno device */ #if BITS_PER_LONG == 64 static inline bool adreno_support_64bit(struct adreno_device *adreno_dev) { return ADRENO_FEATURE(adreno_dev, ADRENO_64BIT); } #else static inline bool adreno_support_64bit(struct adreno_device *adreno_dev) { return false; } #endif /*BITS_PER_LONG*/ static inline void adreno_ringbuffer_set_global( struct adreno_device *adreno_dev, int name) { struct kgsl_device *device = KGSL_DEVICE(adreno_dev); kgsl_sharedmem_writel(device, &adreno_dev->ringbuffers[0].pagetable_desc, PT_INFO_OFFSET(current_global_ptname), name); } static inline void adreno_ringbuffer_set_pagetable(struct adreno_ringbuffer *rb, struct kgsl_pagetable *pt) { struct adreno_device *adreno_dev = ADRENO_RB_DEVICE(rb); struct kgsl_device *device = KGSL_DEVICE(adreno_dev); unsigned long flags; spin_lock_irqsave(&rb->preempt_lock, flags); kgsl_sharedmem_writel(device, &rb->pagetable_desc, PT_INFO_OFFSET(current_rb_ptname), pt->name); kgsl_sharedmem_writeq(device, &rb->pagetable_desc, PT_INFO_OFFSET(ttbr0), kgsl_mmu_pagetable_get_ttbr0(pt)); kgsl_sharedmem_writel(device, &rb->pagetable_desc, PT_INFO_OFFSET(contextidr), kgsl_mmu_pagetable_get_contextidr(pt)); spin_unlock_irqrestore(&rb->preempt_lock, flags); } static inline bool is_power_counter_overflow(struct adreno_device *adreno_dev, unsigned int reg, unsigned int prev_val, unsigned int *perfctr_pwr_hi) { unsigned int val; bool ret = false; /* * If prev_val is zero, it is first read after perf counter reset. * So set perfctr_pwr_hi register to zero. */ if (prev_val == 0) { *perfctr_pwr_hi = 0; return ret; } adreno_readreg(adreno_dev, ADRENO_REG_RBBM_PERFCTR_RBBM_0_HI, &val); if (val != *perfctr_pwr_hi) { *perfctr_pwr_hi = val; ret = true; } return ret; } static inline unsigned int counter_delta(struct kgsl_device *device, unsigned int reg, unsigned int *counter) { struct adreno_device *adreno_dev = ADRENO_DEVICE(device); unsigned int val; unsigned int ret = 0; bool overflow = true; static unsigned int perfctr_pwr_hi; /* Read the value */ kgsl_regread(device, reg, &val); if (adreno_is_a5xx(adreno_dev) && reg == adreno_getreg (adreno_dev, ADRENO_REG_RBBM_PERFCTR_RBBM_0_LO)) overflow = is_power_counter_overflow(adreno_dev, reg, *counter, &perfctr_pwr_hi); /* Return 0 for the first read */ if (*counter != 0) { if (val >= *counter) { ret = val - *counter; } else if (overflow == true) { ret = (0xFFFFFFFF - *counter) + val; } else { /* * Since KGSL got abnormal value from the counter, * We will drop the value from being accumulated. */ pr_warn_once("KGSL: Abnormal value :0x%x (0x%x) from perf counter : 0x%x\n", val, *counter, reg); return 0; } } *counter = val; return ret; } #endif /*__ADRENO_H */