diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.h | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h new file mode 100644 index 000000000..3d78efb06 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -0,0 +1,443 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * Copyright (c) 2014,2017, 2019 The Linux Foundation. All rights reserved. + */ + +#ifndef __ADRENO_GPU_H__ +#define __ADRENO_GPU_H__ + +#include <linux/firmware.h> +#include <linux/iopoll.h> + +#include "msm_gpu.h" + +#include "adreno_common.xml.h" +#include "adreno_pm4.xml.h" + +extern bool snapshot_debugbus; +extern bool allow_vram_carveout; + +enum { + ADRENO_FW_PM4 = 0, + ADRENO_FW_SQE = 0, /* a6xx */ + ADRENO_FW_PFP = 1, + ADRENO_FW_GMU = 1, /* a6xx */ + ADRENO_FW_GPMU = 2, + ADRENO_FW_MAX, +}; + +#define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0) +#define ADRENO_QUIRK_FAULT_DETECT_MASK BIT(1) +#define ADRENO_QUIRK_LMLOADKILL_DISABLE BIT(2) + +struct adreno_rev { + uint8_t core; + uint8_t major; + uint8_t minor; + uint8_t patchid; +}; + +#define ANY_ID 0xff + +#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_reglist { + u32 offset; + u32 value; +}; + +extern const struct adreno_reglist a615_hwcg[], a630_hwcg[], a640_hwcg[], a650_hwcg[], a660_hwcg[]; + +struct adreno_info { + struct adreno_rev rev; + uint32_t revn; + const char *name; + const char *fw[ADRENO_FW_MAX]; + uint32_t gmem; + u64 quirks; + struct msm_gpu *(*init)(struct drm_device *dev); + const char *zapfw; + u32 inactive_period; + const struct adreno_reglist *hwcg; + u64 address_space_size; +}; + +const struct adreno_info *adreno_info(struct adreno_rev rev); + +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 */ + uint16_t speedbin; + const struct adreno_gpu_funcs *funcs; + + /* interesting register offsets to dump: */ + const unsigned int *registers; + + /* + * Are we loading fw from legacy path? Prior to addition + * of gpu firmware to linux-firmware, the fw files were + * placed in toplevel firmware directory, following qcom's + * android kernel. But linux-firmware preferred they be + * placed in a 'qcom' subdirectory. + * + * For backwards compatibility, we try first to load from + * the new path, using request_firmware_direct() to avoid + * any potential timeout waiting for usermode helper, then + * fall back to the old path (with direct load). And + * finally fall back to request_firmware() with the new + * path to allow the usermode helper. + */ + enum { + FW_LOCATION_UNKNOWN = 0, + FW_LOCATION_NEW, /* /lib/firmware/qcom/$fwfile */ + FW_LOCATION_LEGACY, /* /lib/firmware/$fwfile */ + FW_LOCATION_HELPER, + } fwloc; + + /* firmware: */ + const struct firmware *fw[ADRENO_FW_MAX]; + + /* + * 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) + +struct adreno_ocmem { + struct ocmem *ocmem; + unsigned long base; + void *hdl; +}; + +/* platform config data (ie. from DT, or pdata) */ +struct adreno_platform_config { + struct adreno_rev rev; +}; + +#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; \ +}) + +bool adreno_cmp_rev(struct adreno_rev rev1, struct adreno_rev rev2); + +static inline bool adreno_is_a2xx(struct adreno_gpu *gpu) +{ + return (gpu->revn < 300); +} + +static inline bool adreno_is_a20x(struct adreno_gpu *gpu) +{ + return (gpu->revn < 210); +} + +static inline bool adreno_is_a225(struct adreno_gpu *gpu) +{ + return gpu->revn == 225; +} + +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 int adreno_is_a405(struct adreno_gpu *gpu) +{ + return gpu->revn == 405; +} + +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_a506(struct adreno_gpu *gpu) +{ + return gpu->revn == 506; +} + +static inline int adreno_is_a508(struct adreno_gpu *gpu) +{ + return gpu->revn == 508; +} + +static inline int adreno_is_a509(struct adreno_gpu *gpu) +{ + return gpu->revn == 509; +} + +static inline int adreno_is_a510(struct adreno_gpu *gpu) +{ + return gpu->revn == 510; +} + +static inline int adreno_is_a512(struct adreno_gpu *gpu) +{ + return gpu->revn == 512; +} + +static inline int adreno_is_a530(struct adreno_gpu *gpu) +{ + return gpu->revn == 530; +} + +static inline int adreno_is_a540(struct adreno_gpu *gpu) +{ + return gpu->revn == 540; +} + +static inline int adreno_is_a618(struct adreno_gpu *gpu) +{ + return gpu->revn == 618; +} + +static inline int adreno_is_a619(struct adreno_gpu *gpu) +{ + return gpu->revn == 619; +} + +static inline int adreno_is_a630(struct adreno_gpu *gpu) +{ + return gpu->revn == 630; +} + +static inline int adreno_is_a640_family(struct adreno_gpu *gpu) +{ + return (gpu->revn == 640) || (gpu->revn == 680); +} + +static inline int adreno_is_a650(struct adreno_gpu *gpu) +{ + return gpu->revn == 650; +} + +static inline int adreno_is_7c3(struct adreno_gpu *gpu) +{ + /* The order of args is important here to handle ANY_ID correctly */ + return adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), gpu->rev); +} + +static inline int adreno_is_a660(struct adreno_gpu *gpu) +{ + return gpu->revn == 660; +} + +/* check for a615, a616, a618, a619 or any derivatives */ +static inline int adreno_is_a615_family(struct adreno_gpu *gpu) +{ + return gpu->revn == 615 || gpu->revn == 616 || gpu->revn == 618 || gpu->revn == 619; +} + +static inline int adreno_is_a660_family(struct adreno_gpu *gpu) +{ + return adreno_is_a660(gpu) || adreno_is_7c3(gpu); +} + +/* check for a650, a660, or any derivatives */ +static inline int adreno_is_a650_family(struct adreno_gpu *gpu) +{ + return gpu->revn == 650 || gpu->revn == 620 || adreno_is_a660_family(gpu); +} + +u64 adreno_private_address_space_size(struct msm_gpu *gpu); +int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx, + uint32_t param, uint64_t *value, uint32_t *len); +int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx, + uint32_t param, uint64_t value, uint32_t len); +const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu, + const char *fwname); +struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu, + const struct firmware *fw, u64 *iova); +int adreno_hw_init(struct msm_gpu *gpu); +void adreno_recover(struct msm_gpu *gpu); +void adreno_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, u32 reg); +bool adreno_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring); +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) +void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state, + struct drm_printer *p); +#endif +void adreno_dump_info(struct msm_gpu *gpu); +void adreno_dump(struct msm_gpu *gpu); +void adreno_wait_ring(struct msm_ringbuffer *ring, uint32_t ndwords); +struct msm_ringbuffer *adreno_active_ring(struct msm_gpu *gpu); + +int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu, + struct adreno_ocmem *ocmem); +void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *ocmem); + +int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, + struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs, + int nr_rings); +void adreno_gpu_cleanup(struct adreno_gpu *gpu); +int adreno_load_fw(struct adreno_gpu *adreno_gpu); + +void adreno_gpu_state_destroy(struct msm_gpu_state *state); + +int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state); +int adreno_gpu_state_put(struct msm_gpu_state *state); +void adreno_show_object(struct drm_printer *p, void **ptr, int len, + bool *encoded); + +/* + * Common helper function to initialize the default address space for arm-smmu + * attached targets + */ +struct msm_gem_address_space * +adreno_iommu_create_address_space(struct msm_gpu *gpu, + struct platform_device *pdev); + +void adreno_set_llc_attributes(struct iommu_domain *iommu); + +int adreno_read_speedbin(struct device *dev, u32 *speedbin); + +/* + * For a5xx and a6xx targets load the zap shader that is used to pull the GPU + * out of secure mode + */ +int adreno_zap_shader_load(struct msm_gpu *gpu, u32 pasid); + +/* 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, 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, 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, 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, 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, cnt + 1); + OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) | + ((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23)); +} + +struct msm_gpu *a2xx_gpu_init(struct drm_device *dev); +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); +struct msm_gpu *a6xx_gpu_init(struct drm_device *dev); + +static inline uint32_t get_wptr(struct msm_ringbuffer *ring) +{ + return (ring->cur - ring->start) % (MSM_GPU_RINGBUFFER_SZ >> 2); +} + +/* + * 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)) + + +#define gpu_poll_timeout(gpu, addr, val, cond, interval, timeout) \ + readl_poll_timeout((gpu)->mmio + ((addr) << 2), val, cond, \ + interval, timeout) + +#endif /* __ADRENO_GPU_H__ */ |