1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
6 * Copyright (c) 2014,2017, 2019 The Linux Foundation. All rights reserved.
9 #ifndef __ADRENO_GPU_H__
10 #define __ADRENO_GPU_H__
12 #include <linux/firmware.h>
13 #include <linux/iopoll.h>
17 #include "adreno_common.xml.h"
18 #include "adreno_pm4.xml.h"
20 extern bool snapshot_debugbus;
21 extern bool allow_vram_carveout;
25 ADRENO_FW_SQE = 0, /* a6xx */
27 ADRENO_FW_GMU = 1, /* a6xx */
33 ADRENO_QUIRK_TWO_PASS_USE_WFI = 1,
34 ADRENO_QUIRK_FAULT_DETECT_MASK = 2,
35 ADRENO_QUIRK_LMLOADKILL_DISABLE = 3,
45 #define ADRENO_REV(core, major, minor, patchid) \
46 ((struct adreno_rev){ core, major, minor, patchid })
48 struct adreno_gpu_funcs {
49 struct msm_gpu_funcs base;
50 int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);
53 struct adreno_reglist {
58 extern const struct adreno_reglist a630_hwcg[], a640_hwcg[], a650_hwcg[], a660_hwcg[];
61 struct adreno_rev rev;
64 const char *fw[ADRENO_FW_MAX];
66 enum adreno_quirks quirks;
67 struct msm_gpu *(*init)(struct drm_device *dev);
70 const struct adreno_reglist *hwcg;
73 const struct adreno_info *adreno_info(struct adreno_rev rev);
77 struct adreno_rev rev;
78 const struct adreno_info *info;
79 uint32_t gmem; /* actual gmem size */
80 uint32_t revn; /* numeric revision name */
81 const struct adreno_gpu_funcs *funcs;
83 /* interesting register offsets to dump: */
84 const unsigned int *registers;
87 * Are we loading fw from legacy path? Prior to addition
88 * of gpu firmware to linux-firmware, the fw files were
89 * placed in toplevel firmware directory, following qcom's
90 * android kernel. But linux-firmware preferred they be
91 * placed in a 'qcom' subdirectory.
93 * For backwards compatibility, we try first to load from
94 * the new path, using request_firmware_direct() to avoid
95 * any potential timeout waiting for usermode helper, then
96 * fall back to the old path (with direct load). And
97 * finally fall back to request_firmware() with the new
98 * path to allow the usermode helper.
101 FW_LOCATION_UNKNOWN = 0,
102 FW_LOCATION_NEW, /* /lib/firmware/qcom/$fwfile */
103 FW_LOCATION_LEGACY, /* /lib/firmware/$fwfile */
108 const struct firmware *fw[ADRENO_FW_MAX];
111 * Register offsets are different between some GPUs.
112 * GPU specific offsets will be exported by GPU specific
113 * code (a3xx_gpu.c) and stored in this common location.
115 const unsigned int *reg_offsets;
117 #define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base)
119 struct adreno_ocmem {
125 /* platform config data (ie. from DT, or pdata) */
126 struct adreno_platform_config {
127 struct adreno_rev rev;
130 #define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000)
132 #define spin_until(X) ({ \
133 int __ret = -ETIMEDOUT; \
134 unsigned long __t = jiffies + ADRENO_IDLE_TIMEOUT; \
140 } while (time_before(jiffies, __t)); \
144 static inline bool adreno_is_a2xx(struct adreno_gpu *gpu)
146 return (gpu->revn < 300);
149 static inline bool adreno_is_a20x(struct adreno_gpu *gpu)
151 return (gpu->revn < 210);
154 static inline bool adreno_is_a225(struct adreno_gpu *gpu)
156 return gpu->revn == 225;
159 static inline bool adreno_is_a305(struct adreno_gpu *gpu)
161 return gpu->revn == 305;
164 static inline bool adreno_is_a306(struct adreno_gpu *gpu)
166 /* yes, 307, because a305c is 306 */
167 return gpu->revn == 307;
170 static inline bool adreno_is_a320(struct adreno_gpu *gpu)
172 return gpu->revn == 320;
175 static inline bool adreno_is_a330(struct adreno_gpu *gpu)
177 return gpu->revn == 330;
180 static inline bool adreno_is_a330v2(struct adreno_gpu *gpu)
182 return adreno_is_a330(gpu) && (gpu->rev.patchid > 0);
185 static inline int adreno_is_a405(struct adreno_gpu *gpu)
187 return gpu->revn == 405;
190 static inline int adreno_is_a420(struct adreno_gpu *gpu)
192 return gpu->revn == 420;
195 static inline int adreno_is_a430(struct adreno_gpu *gpu)
197 return gpu->revn == 430;
200 static inline int adreno_is_a508(struct adreno_gpu *gpu)
202 return gpu->revn == 508;
205 static inline int adreno_is_a509(struct adreno_gpu *gpu)
207 return gpu->revn == 509;
210 static inline int adreno_is_a510(struct adreno_gpu *gpu)
212 return gpu->revn == 510;
215 static inline int adreno_is_a512(struct adreno_gpu *gpu)
217 return gpu->revn == 512;
220 static inline int adreno_is_a530(struct adreno_gpu *gpu)
222 return gpu->revn == 530;
225 static inline int adreno_is_a540(struct adreno_gpu *gpu)
227 return gpu->revn == 540;
230 static inline int adreno_is_a618(struct adreno_gpu *gpu)
232 return gpu->revn == 618;
235 static inline int adreno_is_a630(struct adreno_gpu *gpu)
237 return gpu->revn == 630;
240 static inline int adreno_is_a640(struct adreno_gpu *gpu)
242 return gpu->revn == 640;
245 static inline int adreno_is_a650(struct adreno_gpu *gpu)
247 return gpu->revn == 650;
250 static inline int adreno_is_a660(struct adreno_gpu *gpu)
252 return gpu->revn == 660;
255 /* check for a650, a660, or any derivatives */
256 static inline int adreno_is_a650_family(struct adreno_gpu *gpu)
258 return gpu->revn == 650 || gpu->revn == 620 || gpu->revn == 660;
261 int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
262 const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu,
264 struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu,
265 const struct firmware *fw, u64 *iova);
266 int adreno_hw_init(struct msm_gpu *gpu);
267 void adreno_recover(struct msm_gpu *gpu);
268 void adreno_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, u32 reg);
269 bool adreno_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
270 #if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
271 void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
272 struct drm_printer *p);
274 void adreno_dump_info(struct msm_gpu *gpu);
275 void adreno_dump(struct msm_gpu *gpu);
276 void adreno_wait_ring(struct msm_ringbuffer *ring, uint32_t ndwords);
277 struct msm_ringbuffer *adreno_active_ring(struct msm_gpu *gpu);
279 int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu,
280 struct adreno_ocmem *ocmem);
281 void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *ocmem);
283 int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
284 struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs,
286 void adreno_gpu_cleanup(struct adreno_gpu *gpu);
287 int adreno_load_fw(struct adreno_gpu *adreno_gpu);
289 void adreno_gpu_state_destroy(struct msm_gpu_state *state);
291 int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state);
292 int adreno_gpu_state_put(struct msm_gpu_state *state);
295 * Common helper function to initialize the default address space for arm-smmu
298 struct msm_gem_address_space *
299 adreno_iommu_create_address_space(struct msm_gpu *gpu,
300 struct platform_device *pdev);
302 void adreno_set_llc_attributes(struct iommu_domain *iommu);
305 * For a5xx and a6xx targets load the zap shader that is used to pull the GPU
308 int adreno_zap_shader_load(struct msm_gpu *gpu, u32 pasid);
310 /* ringbuffer helpers (the parts that are adreno specific) */
313 OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
315 adreno_wait_ring(ring, cnt+1);
316 OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
321 OUT_PKT2(struct msm_ringbuffer *ring)
323 adreno_wait_ring(ring, 1);
324 OUT_RING(ring, CP_TYPE2_PKT);
328 OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
330 adreno_wait_ring(ring, cnt+1);
331 OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
334 static inline u32 PM4_PARITY(u32 val)
336 return (0x9669 >> (0xF & (val ^
337 (val >> 4) ^ (val >> 8) ^ (val >> 12) ^
338 (val >> 16) ^ ((val) >> 20) ^ (val >> 24) ^
342 /* Maximum number of values that can be executed for one opcode */
343 #define TYPE4_MAX_PAYLOAD 127
345 #define PKT4(_reg, _cnt) \
346 (CP_TYPE4_PKT | ((_cnt) << 0) | (PM4_PARITY((_cnt)) << 7) | \
347 (((_reg) & 0x3FFFF) << 8) | (PM4_PARITY((_reg)) << 27))
350 OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
352 adreno_wait_ring(ring, cnt + 1);
353 OUT_RING(ring, PKT4(regindx, cnt));
357 OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
359 adreno_wait_ring(ring, cnt + 1);
360 OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) |
361 ((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23));
364 struct msm_gpu *a2xx_gpu_init(struct drm_device *dev);
365 struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
366 struct msm_gpu *a4xx_gpu_init(struct drm_device *dev);
367 struct msm_gpu *a5xx_gpu_init(struct drm_device *dev);
368 struct msm_gpu *a6xx_gpu_init(struct drm_device *dev);
370 static inline uint32_t get_wptr(struct msm_ringbuffer *ring)
372 return (ring->cur - ring->start) % (MSM_GPU_RINGBUFFER_SZ >> 2);
376 * Given a register and a count, return a value to program into
377 * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
378 * registers starting at _reg.
380 * The register base needs to be a multiple of the length. If it is not, the
381 * hardware will quietly mask off the bits for you and shift the size. For
382 * example, if you intend the protection to start at 0x07 for a length of 4
383 * (0x07-0x0A) the hardware will actually protect (0x04-0x07) which might
384 * expose registers you intended to protect!
386 #define ADRENO_PROTECT_RW(_reg, _len) \
387 ((1 << 30) | (1 << 29) | \
388 ((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
391 * Same as above, but allow reads over the range. For areas of mixed use (such
392 * as performance counters) this allows us to protect a much larger range with a
395 #define ADRENO_PROTECT_RDONLY(_reg, _len) \
397 ((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
400 #define gpu_poll_timeout(gpu, addr, val, cond, interval, timeout) \
401 readl_poll_timeout((gpu)->mmio + ((addr) << 2), val, cond, \
404 #endif /* __ADRENO_GPU_H__ */