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aaa36a97 AD |
1 | /* |
2 | * Copyright 2014 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Alex Deucher | |
23 | */ | |
24 | #include <linux/firmware.h> | |
25 | #include <drm/drmP.h> | |
26 | #include "amdgpu.h" | |
27 | #include "amdgpu_ucode.h" | |
28 | #include "amdgpu_trace.h" | |
29 | #include "vi.h" | |
30 | #include "vid.h" | |
31 | ||
32 | #include "oss/oss_2_4_d.h" | |
33 | #include "oss/oss_2_4_sh_mask.h" | |
34 | ||
35 | #include "gmc/gmc_8_1_d.h" | |
36 | #include "gmc/gmc_8_1_sh_mask.h" | |
37 | ||
38 | #include "gca/gfx_8_0_d.h" | |
74a5d165 | 39 | #include "gca/gfx_8_0_enum.h" |
aaa36a97 AD |
40 | #include "gca/gfx_8_0_sh_mask.h" |
41 | ||
42 | #include "bif/bif_5_0_d.h" | |
43 | #include "bif/bif_5_0_sh_mask.h" | |
44 | ||
45 | #include "iceland_sdma_pkt_open.h" | |
46 | ||
47 | static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev); | |
48 | static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev); | |
49 | static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev); | |
50 | static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev); | |
51 | ||
c65444fe JZ |
52 | MODULE_FIRMWARE("amdgpu/topaz_sdma.bin"); |
53 | MODULE_FIRMWARE("amdgpu/topaz_sdma1.bin"); | |
aaa36a97 AD |
54 | |
55 | static const u32 sdma_offsets[SDMA_MAX_INSTANCE] = | |
56 | { | |
57 | SDMA0_REGISTER_OFFSET, | |
58 | SDMA1_REGISTER_OFFSET | |
59 | }; | |
60 | ||
61 | static const u32 golden_settings_iceland_a11[] = | |
62 | { | |
63 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
64 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, | |
65 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
66 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, | |
67 | }; | |
68 | ||
69 | static const u32 iceland_mgcg_cgcg_init[] = | |
70 | { | |
71 | mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, | |
72 | mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 | |
73 | }; | |
74 | ||
75 | /* | |
76 | * sDMA - System DMA | |
77 | * Starting with CIK, the GPU has new asynchronous | |
78 | * DMA engines. These engines are used for compute | |
79 | * and gfx. There are two DMA engines (SDMA0, SDMA1) | |
80 | * and each one supports 1 ring buffer used for gfx | |
81 | * and 2 queues used for compute. | |
82 | * | |
83 | * The programming model is very similar to the CP | |
84 | * (ring buffer, IBs, etc.), but sDMA has it's own | |
85 | * packet format that is different from the PM4 format | |
86 | * used by the CP. sDMA supports copying data, writing | |
87 | * embedded data, solid fills, and a number of other | |
88 | * things. It also has support for tiling/detiling of | |
89 | * buffers. | |
90 | */ | |
91 | ||
92 | static void sdma_v2_4_init_golden_registers(struct amdgpu_device *adev) | |
93 | { | |
94 | switch (adev->asic_type) { | |
95 | case CHIP_TOPAZ: | |
96 | amdgpu_program_register_sequence(adev, | |
97 | iceland_mgcg_cgcg_init, | |
98 | (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); | |
99 | amdgpu_program_register_sequence(adev, | |
100 | golden_settings_iceland_a11, | |
101 | (const u32)ARRAY_SIZE(golden_settings_iceland_a11)); | |
102 | break; | |
103 | default: | |
104 | break; | |
105 | } | |
106 | } | |
107 | ||
108 | /** | |
109 | * sdma_v2_4_init_microcode - load ucode images from disk | |
110 | * | |
111 | * @adev: amdgpu_device pointer | |
112 | * | |
113 | * Use the firmware interface to load the ucode images into | |
114 | * the driver (not loaded into hw). | |
115 | * Returns 0 on success, error on failure. | |
116 | */ | |
117 | static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) | |
118 | { | |
119 | const char *chip_name; | |
120 | char fw_name[30]; | |
121 | int err, i; | |
122 | struct amdgpu_firmware_info *info = NULL; | |
123 | const struct common_firmware_header *header = NULL; | |
124 | ||
125 | DRM_DEBUG("\n"); | |
126 | ||
127 | switch (adev->asic_type) { | |
128 | case CHIP_TOPAZ: | |
129 | chip_name = "topaz"; | |
130 | break; | |
131 | default: BUG(); | |
132 | } | |
133 | ||
134 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
135 | if (i == 0) | |
c65444fe | 136 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); |
aaa36a97 | 137 | else |
c65444fe | 138 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); |
aaa36a97 AD |
139 | err = request_firmware(&adev->sdma[i].fw, fw_name, adev->dev); |
140 | if (err) | |
141 | goto out; | |
142 | err = amdgpu_ucode_validate(adev->sdma[i].fw); | |
143 | if (err) | |
144 | goto out; | |
145 | ||
146 | if (adev->firmware.smu_load) { | |
147 | info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; | |
148 | info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; | |
149 | info->fw = adev->sdma[i].fw; | |
150 | header = (const struct common_firmware_header *)info->fw->data; | |
151 | adev->firmware.fw_size += | |
152 | ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); | |
153 | } | |
154 | } | |
155 | ||
156 | out: | |
157 | if (err) { | |
158 | printk(KERN_ERR | |
159 | "sdma_v2_4: Failed to load firmware \"%s\"\n", | |
160 | fw_name); | |
161 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
162 | release_firmware(adev->sdma[i].fw); | |
163 | adev->sdma[i].fw = NULL; | |
164 | } | |
165 | } | |
166 | return err; | |
167 | } | |
168 | ||
169 | /** | |
170 | * sdma_v2_4_ring_get_rptr - get the current read pointer | |
171 | * | |
172 | * @ring: amdgpu ring pointer | |
173 | * | |
174 | * Get the current rptr from the hardware (VI+). | |
175 | */ | |
176 | static uint32_t sdma_v2_4_ring_get_rptr(struct amdgpu_ring *ring) | |
177 | { | |
178 | u32 rptr; | |
179 | ||
180 | /* XXX check if swapping is necessary on BE */ | |
181 | rptr = ring->adev->wb.wb[ring->rptr_offs] >> 2; | |
182 | ||
183 | return rptr; | |
184 | } | |
185 | ||
186 | /** | |
187 | * sdma_v2_4_ring_get_wptr - get the current write pointer | |
188 | * | |
189 | * @ring: amdgpu ring pointer | |
190 | * | |
191 | * Get the current wptr from the hardware (VI+). | |
192 | */ | |
193 | static uint32_t sdma_v2_4_ring_get_wptr(struct amdgpu_ring *ring) | |
194 | { | |
195 | struct amdgpu_device *adev = ring->adev; | |
196 | int me = (ring == &ring->adev->sdma[0].ring) ? 0 : 1; | |
197 | u32 wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) >> 2; | |
198 | ||
199 | return wptr; | |
200 | } | |
201 | ||
202 | /** | |
203 | * sdma_v2_4_ring_set_wptr - commit the write pointer | |
204 | * | |
205 | * @ring: amdgpu ring pointer | |
206 | * | |
207 | * Write the wptr back to the hardware (VI+). | |
208 | */ | |
209 | static void sdma_v2_4_ring_set_wptr(struct amdgpu_ring *ring) | |
210 | { | |
211 | struct amdgpu_device *adev = ring->adev; | |
212 | int me = (ring == &ring->adev->sdma[0].ring) ? 0 : 1; | |
213 | ||
214 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], ring->wptr << 2); | |
215 | } | |
216 | ||
aaa36a97 AD |
217 | /** |
218 | * sdma_v2_4_ring_emit_ib - Schedule an IB on the DMA engine | |
219 | * | |
220 | * @ring: amdgpu ring pointer | |
221 | * @ib: IB object to schedule | |
222 | * | |
223 | * Schedule an IB in the DMA ring (VI). | |
224 | */ | |
225 | static void sdma_v2_4_ring_emit_ib(struct amdgpu_ring *ring, | |
226 | struct amdgpu_ib *ib) | |
227 | { | |
228 | u32 vmid = (ib->vm ? ib->vm->ids[ring->idx].id : 0) & 0xf; | |
229 | u32 next_rptr = ring->wptr + 5; | |
230 | ||
aaa36a97 AD |
231 | while ((next_rptr & 7) != 2) |
232 | next_rptr++; | |
233 | ||
234 | next_rptr += 6; | |
235 | ||
236 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
237 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); | |
238 | amdgpu_ring_write(ring, lower_32_bits(ring->next_rptr_gpu_addr) & 0xfffffffc); | |
239 | amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr)); | |
240 | amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)); | |
241 | amdgpu_ring_write(ring, next_rptr); | |
242 | ||
aaa36a97 AD |
243 | /* IB packet must end on a 8 DW boundary */ |
244 | while ((ring->wptr & 7) != 2) | |
245 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_NOP)); | |
246 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | | |
247 | SDMA_PKT_INDIRECT_HEADER_VMID(vmid)); | |
248 | /* base must be 32 byte aligned */ | |
249 | amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); | |
250 | amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); | |
251 | amdgpu_ring_write(ring, ib->length_dw); | |
252 | amdgpu_ring_write(ring, 0); | |
253 | amdgpu_ring_write(ring, 0); | |
254 | ||
255 | } | |
256 | ||
257 | /** | |
258 | * sdma_v2_4_hdp_flush_ring_emit - emit an hdp flush on the DMA ring | |
259 | * | |
260 | * @ring: amdgpu ring pointer | |
261 | * | |
262 | * Emit an hdp flush packet on the requested DMA ring. | |
263 | */ | |
d2edb07b | 264 | static void sdma_v2_4_ring_emit_hdp_flush(struct amdgpu_ring *ring) |
aaa36a97 AD |
265 | { |
266 | u32 ref_and_mask = 0; | |
267 | ||
268 | if (ring == &ring->adev->sdma[0].ring) | |
269 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1); | |
270 | else | |
271 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1); | |
272 | ||
273 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
274 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | | |
275 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ | |
276 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE << 2); | |
277 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 2); | |
278 | amdgpu_ring_write(ring, ref_and_mask); /* reference */ | |
279 | amdgpu_ring_write(ring, ref_and_mask); /* mask */ | |
280 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
281 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
282 | } | |
283 | ||
284 | /** | |
285 | * sdma_v2_4_ring_emit_fence - emit a fence on the DMA ring | |
286 | * | |
287 | * @ring: amdgpu ring pointer | |
288 | * @fence: amdgpu fence object | |
289 | * | |
290 | * Add a DMA fence packet to the ring to write | |
291 | * the fence seq number and DMA trap packet to generate | |
292 | * an interrupt if needed (VI). | |
293 | */ | |
294 | static void sdma_v2_4_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, | |
295 | bool write64bits) | |
296 | { | |
297 | /* write the fence */ | |
298 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
299 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
300 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
301 | amdgpu_ring_write(ring, lower_32_bits(seq)); | |
302 | ||
303 | /* optionally write high bits as well */ | |
304 | if (write64bits) { | |
305 | addr += 4; | |
306 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
307 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
308 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
309 | amdgpu_ring_write(ring, upper_32_bits(seq)); | |
310 | } | |
311 | ||
312 | /* generate an interrupt */ | |
313 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); | |
314 | amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); | |
315 | } | |
316 | ||
317 | /** | |
318 | * sdma_v2_4_ring_emit_semaphore - emit a semaphore on the dma ring | |
319 | * | |
320 | * @ring: amdgpu_ring structure holding ring information | |
321 | * @semaphore: amdgpu semaphore object | |
322 | * @emit_wait: wait or signal semaphore | |
323 | * | |
324 | * Add a DMA semaphore packet to the ring wait on or signal | |
325 | * other rings (VI). | |
326 | */ | |
327 | static bool sdma_v2_4_ring_emit_semaphore(struct amdgpu_ring *ring, | |
328 | struct amdgpu_semaphore *semaphore, | |
329 | bool emit_wait) | |
330 | { | |
331 | u64 addr = semaphore->gpu_addr; | |
332 | u32 sig = emit_wait ? 0 : 1; | |
333 | ||
334 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SEM) | | |
335 | SDMA_PKT_SEMAPHORE_HEADER_SIGNAL(sig)); | |
336 | amdgpu_ring_write(ring, lower_32_bits(addr) & 0xfffffff8); | |
337 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
338 | ||
339 | return true; | |
340 | } | |
341 | ||
342 | /** | |
343 | * sdma_v2_4_gfx_stop - stop the gfx async dma engines | |
344 | * | |
345 | * @adev: amdgpu_device pointer | |
346 | * | |
347 | * Stop the gfx async dma ring buffers (VI). | |
348 | */ | |
349 | static void sdma_v2_4_gfx_stop(struct amdgpu_device *adev) | |
350 | { | |
351 | struct amdgpu_ring *sdma0 = &adev->sdma[0].ring; | |
352 | struct amdgpu_ring *sdma1 = &adev->sdma[1].ring; | |
353 | u32 rb_cntl, ib_cntl; | |
354 | int i; | |
355 | ||
356 | if ((adev->mman.buffer_funcs_ring == sdma0) || | |
357 | (adev->mman.buffer_funcs_ring == sdma1)) | |
358 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); | |
359 | ||
360 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
361 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); | |
362 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); | |
363 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
364 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
365 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); | |
366 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
367 | } | |
368 | sdma0->ready = false; | |
369 | sdma1->ready = false; | |
370 | } | |
371 | ||
372 | /** | |
373 | * sdma_v2_4_rlc_stop - stop the compute async dma engines | |
374 | * | |
375 | * @adev: amdgpu_device pointer | |
376 | * | |
377 | * Stop the compute async dma queues (VI). | |
378 | */ | |
379 | static void sdma_v2_4_rlc_stop(struct amdgpu_device *adev) | |
380 | { | |
381 | /* XXX todo */ | |
382 | } | |
383 | ||
384 | /** | |
385 | * sdma_v2_4_enable - stop the async dma engines | |
386 | * | |
387 | * @adev: amdgpu_device pointer | |
388 | * @enable: enable/disable the DMA MEs. | |
389 | * | |
390 | * Halt or unhalt the async dma engines (VI). | |
391 | */ | |
392 | static void sdma_v2_4_enable(struct amdgpu_device *adev, bool enable) | |
393 | { | |
394 | u32 f32_cntl; | |
395 | int i; | |
396 | ||
397 | if (enable == false) { | |
398 | sdma_v2_4_gfx_stop(adev); | |
399 | sdma_v2_4_rlc_stop(adev); | |
400 | } | |
401 | ||
402 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
403 | f32_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]); | |
404 | if (enable) | |
405 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 0); | |
406 | else | |
407 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1); | |
408 | WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], f32_cntl); | |
409 | } | |
410 | } | |
411 | ||
412 | /** | |
413 | * sdma_v2_4_gfx_resume - setup and start the async dma engines | |
414 | * | |
415 | * @adev: amdgpu_device pointer | |
416 | * | |
417 | * Set up the gfx DMA ring buffers and enable them (VI). | |
418 | * Returns 0 for success, error for failure. | |
419 | */ | |
420 | static int sdma_v2_4_gfx_resume(struct amdgpu_device *adev) | |
421 | { | |
422 | struct amdgpu_ring *ring; | |
423 | u32 rb_cntl, ib_cntl; | |
424 | u32 rb_bufsz; | |
425 | u32 wb_offset; | |
426 | int i, j, r; | |
427 | ||
428 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
429 | ring = &adev->sdma[i].ring; | |
430 | wb_offset = (ring->rptr_offs * 4); | |
431 | ||
432 | mutex_lock(&adev->srbm_mutex); | |
433 | for (j = 0; j < 16; j++) { | |
434 | vi_srbm_select(adev, 0, 0, 0, j); | |
435 | /* SDMA GFX */ | |
436 | WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0); | |
437 | WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0); | |
438 | } | |
439 | vi_srbm_select(adev, 0, 0, 0, 0); | |
440 | mutex_unlock(&adev->srbm_mutex); | |
441 | ||
442 | WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0); | |
443 | ||
444 | /* Set ring buffer size in dwords */ | |
445 | rb_bufsz = order_base_2(ring->ring_size / 4); | |
446 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); | |
447 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); | |
448 | #ifdef __BIG_ENDIAN | |
449 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); | |
450 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, | |
451 | RPTR_WRITEBACK_SWAP_ENABLE, 1); | |
452 | #endif | |
453 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
454 | ||
455 | /* Initialize the ring buffer's read and write pointers */ | |
456 | WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0); | |
457 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0); | |
458 | ||
459 | /* set the wb address whether it's enabled or not */ | |
460 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i], | |
461 | upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); | |
462 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i], | |
463 | lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); | |
464 | ||
465 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); | |
466 | ||
467 | WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8); | |
468 | WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40); | |
469 | ||
470 | ring->wptr = 0; | |
471 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], ring->wptr << 2); | |
472 | ||
473 | /* enable DMA RB */ | |
474 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); | |
475 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
476 | ||
477 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
478 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); | |
479 | #ifdef __BIG_ENDIAN | |
480 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); | |
481 | #endif | |
482 | /* enable DMA IBs */ | |
483 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
484 | ||
485 | ring->ready = true; | |
486 | ||
487 | r = amdgpu_ring_test_ring(ring); | |
488 | if (r) { | |
489 | ring->ready = false; | |
490 | return r; | |
491 | } | |
492 | ||
493 | if (adev->mman.buffer_funcs_ring == ring) | |
494 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); | |
495 | } | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
500 | /** | |
501 | * sdma_v2_4_rlc_resume - setup and start the async dma engines | |
502 | * | |
503 | * @adev: amdgpu_device pointer | |
504 | * | |
505 | * Set up the compute DMA queues and enable them (VI). | |
506 | * Returns 0 for success, error for failure. | |
507 | */ | |
508 | static int sdma_v2_4_rlc_resume(struct amdgpu_device *adev) | |
509 | { | |
510 | /* XXX todo */ | |
511 | return 0; | |
512 | } | |
513 | ||
514 | /** | |
515 | * sdma_v2_4_load_microcode - load the sDMA ME ucode | |
516 | * | |
517 | * @adev: amdgpu_device pointer | |
518 | * | |
519 | * Loads the sDMA0/1 ucode. | |
520 | * Returns 0 for success, -EINVAL if the ucode is not available. | |
521 | */ | |
522 | static int sdma_v2_4_load_microcode(struct amdgpu_device *adev) | |
523 | { | |
524 | const struct sdma_firmware_header_v1_0 *hdr; | |
525 | const __le32 *fw_data; | |
526 | u32 fw_size; | |
527 | int i, j; | |
528 | bool smc_loads_fw = false; /* XXX fix me */ | |
529 | ||
530 | if (!adev->sdma[0].fw || !adev->sdma[1].fw) | |
531 | return -EINVAL; | |
532 | ||
533 | /* halt the MEs */ | |
534 | sdma_v2_4_enable(adev, false); | |
535 | ||
536 | if (smc_loads_fw) { | |
537 | /* XXX query SMC for fw load complete */ | |
538 | } else { | |
539 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
540 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; | |
541 | amdgpu_ucode_print_sdma_hdr(&hdr->header); | |
542 | fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
543 | adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); | |
544 | ||
545 | fw_data = (const __le32 *) | |
546 | (adev->sdma[i].fw->data + | |
547 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
548 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); | |
549 | for (j = 0; j < fw_size; j++) | |
550 | WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++)); | |
551 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma[i].fw_version); | |
552 | } | |
553 | } | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | /** | |
559 | * sdma_v2_4_start - setup and start the async dma engines | |
560 | * | |
561 | * @adev: amdgpu_device pointer | |
562 | * | |
563 | * Set up the DMA engines and enable them (VI). | |
564 | * Returns 0 for success, error for failure. | |
565 | */ | |
566 | static int sdma_v2_4_start(struct amdgpu_device *adev) | |
567 | { | |
568 | int r; | |
569 | ||
570 | if (!adev->firmware.smu_load) { | |
571 | r = sdma_v2_4_load_microcode(adev); | |
572 | if (r) | |
573 | return r; | |
574 | } else { | |
575 | r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, | |
576 | AMDGPU_UCODE_ID_SDMA0); | |
577 | if (r) | |
578 | return -EINVAL; | |
579 | r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, | |
580 | AMDGPU_UCODE_ID_SDMA1); | |
581 | if (r) | |
582 | return -EINVAL; | |
583 | } | |
584 | ||
585 | /* unhalt the MEs */ | |
586 | sdma_v2_4_enable(adev, true); | |
587 | ||
588 | /* start the gfx rings and rlc compute queues */ | |
589 | r = sdma_v2_4_gfx_resume(adev); | |
590 | if (r) | |
591 | return r; | |
592 | r = sdma_v2_4_rlc_resume(adev); | |
593 | if (r) | |
594 | return r; | |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
599 | /** | |
600 | * sdma_v2_4_ring_test_ring - simple async dma engine test | |
601 | * | |
602 | * @ring: amdgpu_ring structure holding ring information | |
603 | * | |
604 | * Test the DMA engine by writing using it to write an | |
605 | * value to memory. (VI). | |
606 | * Returns 0 for success, error for failure. | |
607 | */ | |
608 | static int sdma_v2_4_ring_test_ring(struct amdgpu_ring *ring) | |
609 | { | |
610 | struct amdgpu_device *adev = ring->adev; | |
611 | unsigned i; | |
612 | unsigned index; | |
613 | int r; | |
614 | u32 tmp; | |
615 | u64 gpu_addr; | |
616 | ||
617 | r = amdgpu_wb_get(adev, &index); | |
618 | if (r) { | |
619 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
620 | return r; | |
621 | } | |
622 | ||
623 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
624 | tmp = 0xCAFEDEAD; | |
625 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
626 | ||
627 | r = amdgpu_ring_lock(ring, 5); | |
628 | if (r) { | |
629 | DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); | |
630 | amdgpu_wb_free(adev, index); | |
631 | return r; | |
632 | } | |
633 | ||
634 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
635 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); | |
636 | amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); | |
637 | amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); | |
638 | amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)); | |
639 | amdgpu_ring_write(ring, 0xDEADBEEF); | |
640 | amdgpu_ring_unlock_commit(ring); | |
641 | ||
642 | for (i = 0; i < adev->usec_timeout; i++) { | |
643 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
644 | if (tmp == 0xDEADBEEF) | |
645 | break; | |
646 | DRM_UDELAY(1); | |
647 | } | |
648 | ||
649 | if (i < adev->usec_timeout) { | |
650 | DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); | |
651 | } else { | |
652 | DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", | |
653 | ring->idx, tmp); | |
654 | r = -EINVAL; | |
655 | } | |
656 | amdgpu_wb_free(adev, index); | |
657 | ||
658 | return r; | |
659 | } | |
660 | ||
661 | /** | |
662 | * sdma_v2_4_ring_test_ib - test an IB on the DMA engine | |
663 | * | |
664 | * @ring: amdgpu_ring structure holding ring information | |
665 | * | |
666 | * Test a simple IB in the DMA ring (VI). | |
667 | * Returns 0 on success, error on failure. | |
668 | */ | |
669 | static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) | |
670 | { | |
671 | struct amdgpu_device *adev = ring->adev; | |
672 | struct amdgpu_ib ib; | |
673 | unsigned i; | |
674 | unsigned index; | |
675 | int r; | |
676 | u32 tmp = 0; | |
677 | u64 gpu_addr; | |
678 | ||
679 | r = amdgpu_wb_get(adev, &index); | |
680 | if (r) { | |
681 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
682 | return r; | |
683 | } | |
684 | ||
685 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
686 | tmp = 0xCAFEDEAD; | |
687 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
688 | ||
689 | r = amdgpu_ib_get(ring, NULL, 256, &ib); | |
690 | if (r) { | |
691 | amdgpu_wb_free(adev, index); | |
692 | DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); | |
693 | return r; | |
694 | } | |
695 | ||
696 | ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
697 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); | |
698 | ib.ptr[1] = lower_32_bits(gpu_addr); | |
699 | ib.ptr[2] = upper_32_bits(gpu_addr); | |
700 | ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1); | |
701 | ib.ptr[4] = 0xDEADBEEF; | |
702 | ib.ptr[5] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
703 | ib.ptr[6] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
704 | ib.ptr[7] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
705 | ib.length_dw = 8; | |
706 | ||
707 | r = amdgpu_ib_schedule(adev, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED); | |
708 | if (r) { | |
709 | amdgpu_ib_free(adev, &ib); | |
710 | amdgpu_wb_free(adev, index); | |
711 | DRM_ERROR("amdgpu: failed to schedule ib (%d).\n", r); | |
712 | return r; | |
713 | } | |
714 | r = amdgpu_fence_wait(ib.fence, false); | |
715 | if (r) { | |
716 | amdgpu_ib_free(adev, &ib); | |
717 | amdgpu_wb_free(adev, index); | |
718 | DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); | |
719 | return r; | |
720 | } | |
721 | for (i = 0; i < adev->usec_timeout; i++) { | |
722 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
723 | if (tmp == 0xDEADBEEF) | |
724 | break; | |
725 | DRM_UDELAY(1); | |
726 | } | |
727 | if (i < adev->usec_timeout) { | |
728 | DRM_INFO("ib test on ring %d succeeded in %u usecs\n", | |
729 | ib.fence->ring->idx, i); | |
730 | } else { | |
731 | DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); | |
732 | r = -EINVAL; | |
733 | } | |
734 | amdgpu_ib_free(adev, &ib); | |
735 | amdgpu_wb_free(adev, index); | |
736 | return r; | |
737 | } | |
738 | ||
739 | /** | |
740 | * sdma_v2_4_vm_copy_pte - update PTEs by copying them from the GART | |
741 | * | |
742 | * @ib: indirect buffer to fill with commands | |
743 | * @pe: addr of the page entry | |
744 | * @src: src addr to copy from | |
745 | * @count: number of page entries to update | |
746 | * | |
747 | * Update PTEs by copying them from the GART using sDMA (CIK). | |
748 | */ | |
749 | static void sdma_v2_4_vm_copy_pte(struct amdgpu_ib *ib, | |
750 | uint64_t pe, uint64_t src, | |
751 | unsigned count) | |
752 | { | |
753 | while (count) { | |
754 | unsigned bytes = count * 8; | |
755 | if (bytes > 0x1FFFF8) | |
756 | bytes = 0x1FFFF8; | |
757 | ||
758 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | | |
759 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
760 | ib->ptr[ib->length_dw++] = bytes; | |
761 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
762 | ib->ptr[ib->length_dw++] = lower_32_bits(src); | |
763 | ib->ptr[ib->length_dw++] = upper_32_bits(src); | |
764 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); | |
765 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
766 | ||
767 | pe += bytes; | |
768 | src += bytes; | |
769 | count -= bytes / 8; | |
770 | } | |
771 | } | |
772 | ||
773 | /** | |
774 | * sdma_v2_4_vm_write_pte - update PTEs by writing them manually | |
775 | * | |
776 | * @ib: indirect buffer to fill with commands | |
777 | * @pe: addr of the page entry | |
778 | * @addr: dst addr to write into pe | |
779 | * @count: number of page entries to update | |
780 | * @incr: increase next addr by incr bytes | |
781 | * @flags: access flags | |
782 | * | |
783 | * Update PTEs by writing them manually using sDMA (CIK). | |
784 | */ | |
785 | static void sdma_v2_4_vm_write_pte(struct amdgpu_ib *ib, | |
786 | uint64_t pe, | |
787 | uint64_t addr, unsigned count, | |
788 | uint32_t incr, uint32_t flags) | |
789 | { | |
790 | uint64_t value; | |
791 | unsigned ndw; | |
792 | ||
793 | while (count) { | |
794 | ndw = count * 2; | |
795 | if (ndw > 0xFFFFE) | |
796 | ndw = 0xFFFFE; | |
797 | ||
798 | /* for non-physically contiguous pages (system) */ | |
799 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
800 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
801 | ib->ptr[ib->length_dw++] = pe; | |
802 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
803 | ib->ptr[ib->length_dw++] = ndw; | |
804 | for (; ndw > 0; ndw -= 2, --count, pe += 8) { | |
805 | if (flags & AMDGPU_PTE_SYSTEM) { | |
806 | value = amdgpu_vm_map_gart(ib->ring->adev, addr); | |
807 | value &= 0xFFFFFFFFFFFFF000ULL; | |
808 | } else if (flags & AMDGPU_PTE_VALID) { | |
809 | value = addr; | |
810 | } else { | |
811 | value = 0; | |
812 | } | |
813 | addr += incr; | |
814 | value |= flags; | |
815 | ib->ptr[ib->length_dw++] = value; | |
816 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
821 | /** | |
822 | * sdma_v2_4_vm_set_pte_pde - update the page tables using sDMA | |
823 | * | |
824 | * @ib: indirect buffer to fill with commands | |
825 | * @pe: addr of the page entry | |
826 | * @addr: dst addr to write into pe | |
827 | * @count: number of page entries to update | |
828 | * @incr: increase next addr by incr bytes | |
829 | * @flags: access flags | |
830 | * | |
831 | * Update the page tables using sDMA (CIK). | |
832 | */ | |
833 | static void sdma_v2_4_vm_set_pte_pde(struct amdgpu_ib *ib, | |
834 | uint64_t pe, | |
835 | uint64_t addr, unsigned count, | |
836 | uint32_t incr, uint32_t flags) | |
837 | { | |
838 | uint64_t value; | |
839 | unsigned ndw; | |
840 | ||
841 | while (count) { | |
842 | ndw = count; | |
843 | if (ndw > 0x7FFFF) | |
844 | ndw = 0x7FFFF; | |
845 | ||
846 | if (flags & AMDGPU_PTE_VALID) | |
847 | value = addr; | |
848 | else | |
849 | value = 0; | |
850 | ||
851 | /* for physically contiguous pages (vram) */ | |
852 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_GEN_PTEPDE); | |
853 | ib->ptr[ib->length_dw++] = pe; /* dst addr */ | |
854 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
855 | ib->ptr[ib->length_dw++] = flags; /* mask */ | |
856 | ib->ptr[ib->length_dw++] = 0; | |
857 | ib->ptr[ib->length_dw++] = value; /* value */ | |
858 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
859 | ib->ptr[ib->length_dw++] = incr; /* increment size */ | |
860 | ib->ptr[ib->length_dw++] = 0; | |
861 | ib->ptr[ib->length_dw++] = ndw; /* number of entries */ | |
862 | ||
863 | pe += ndw * 8; | |
864 | addr += ndw * incr; | |
865 | count -= ndw; | |
866 | } | |
867 | } | |
868 | ||
869 | /** | |
870 | * sdma_v2_4_vm_pad_ib - pad the IB to the required number of dw | |
871 | * | |
872 | * @ib: indirect buffer to fill with padding | |
873 | * | |
874 | */ | |
875 | static void sdma_v2_4_vm_pad_ib(struct amdgpu_ib *ib) | |
876 | { | |
877 | while (ib->length_dw & 0x7) | |
878 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
879 | } | |
880 | ||
881 | /** | |
882 | * sdma_v2_4_ring_emit_vm_flush - cik vm flush using sDMA | |
883 | * | |
884 | * @ring: amdgpu_ring pointer | |
885 | * @vm: amdgpu_vm pointer | |
886 | * | |
887 | * Update the page table base and flush the VM TLB | |
888 | * using sDMA (VI). | |
889 | */ | |
890 | static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, | |
891 | unsigned vm_id, uint64_t pd_addr) | |
892 | { | |
893 | u32 srbm_gfx_cntl = 0; | |
74a5d165 JX |
894 | u32 sh_mem_cfg = REG_SET_FIELD(0, SH_MEM_CONFIG, ALIGNMENT_MODE, |
895 | SH_MEM_ALIGNMENT_MODE_UNALIGNED); | |
aaa36a97 AD |
896 | |
897 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
898 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
899 | if (vm_id < 8) { | |
900 | amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id)); | |
901 | } else { | |
902 | amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8)); | |
903 | } | |
904 | amdgpu_ring_write(ring, pd_addr >> 12); | |
905 | ||
906 | /* update SH_MEM_* regs */ | |
907 | srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vm_id); | |
908 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
909 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
910 | amdgpu_ring_write(ring, mmSRBM_GFX_CNTL); | |
911 | amdgpu_ring_write(ring, srbm_gfx_cntl); | |
912 | ||
913 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
914 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
915 | amdgpu_ring_write(ring, mmSH_MEM_BASES); | |
916 | amdgpu_ring_write(ring, 0); | |
917 | ||
918 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
919 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
920 | amdgpu_ring_write(ring, mmSH_MEM_CONFIG); | |
74a5d165 | 921 | amdgpu_ring_write(ring, sh_mem_cfg); |
aaa36a97 AD |
922 | |
923 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
924 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
925 | amdgpu_ring_write(ring, mmSH_MEM_APE1_BASE); | |
926 | amdgpu_ring_write(ring, 1); | |
927 | ||
928 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
929 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
930 | amdgpu_ring_write(ring, mmSH_MEM_APE1_LIMIT); | |
931 | amdgpu_ring_write(ring, 0); | |
932 | ||
933 | srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, 0); | |
934 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
935 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
936 | amdgpu_ring_write(ring, mmSRBM_GFX_CNTL); | |
937 | amdgpu_ring_write(ring, srbm_gfx_cntl); | |
938 | ||
939 | ||
940 | /* flush TLB */ | |
941 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
942 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
943 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST); | |
944 | amdgpu_ring_write(ring, 1 << vm_id); | |
945 | ||
946 | /* wait for flush */ | |
947 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
948 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | | |
949 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(0)); /* always */ | |
950 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2); | |
951 | amdgpu_ring_write(ring, 0); | |
952 | amdgpu_ring_write(ring, 0); /* reference */ | |
953 | amdgpu_ring_write(ring, 0); /* mask */ | |
954 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
955 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
956 | } | |
957 | ||
5fc3aeeb | 958 | static int sdma_v2_4_early_init(void *handle) |
aaa36a97 | 959 | { |
5fc3aeeb | 960 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
961 | ||
aaa36a97 AD |
962 | sdma_v2_4_set_ring_funcs(adev); |
963 | sdma_v2_4_set_buffer_funcs(adev); | |
964 | sdma_v2_4_set_vm_pte_funcs(adev); | |
965 | sdma_v2_4_set_irq_funcs(adev); | |
966 | ||
967 | return 0; | |
968 | } | |
969 | ||
5fc3aeeb | 970 | static int sdma_v2_4_sw_init(void *handle) |
aaa36a97 AD |
971 | { |
972 | struct amdgpu_ring *ring; | |
973 | int r; | |
5fc3aeeb | 974 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
975 | |
976 | /* SDMA trap event */ | |
977 | r = amdgpu_irq_add_id(adev, 224, &adev->sdma_trap_irq); | |
978 | if (r) | |
979 | return r; | |
980 | ||
981 | /* SDMA Privileged inst */ | |
982 | r = amdgpu_irq_add_id(adev, 241, &adev->sdma_illegal_inst_irq); | |
983 | if (r) | |
984 | return r; | |
985 | ||
986 | /* SDMA Privileged inst */ | |
987 | r = amdgpu_irq_add_id(adev, 247, &adev->sdma_illegal_inst_irq); | |
988 | if (r) | |
989 | return r; | |
990 | ||
991 | r = sdma_v2_4_init_microcode(adev); | |
992 | if (r) { | |
993 | DRM_ERROR("Failed to load sdma firmware!\n"); | |
994 | return r; | |
995 | } | |
996 | ||
997 | ring = &adev->sdma[0].ring; | |
998 | ring->ring_obj = NULL; | |
999 | ring->use_doorbell = false; | |
1000 | ||
1001 | ring = &adev->sdma[1].ring; | |
1002 | ring->ring_obj = NULL; | |
1003 | ring->use_doorbell = false; | |
1004 | ||
1005 | ring = &adev->sdma[0].ring; | |
1006 | sprintf(ring->name, "sdma0"); | |
1007 | r = amdgpu_ring_init(adev, ring, 256 * 1024, | |
1008 | SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf, | |
1009 | &adev->sdma_trap_irq, AMDGPU_SDMA_IRQ_TRAP0, | |
1010 | AMDGPU_RING_TYPE_SDMA); | |
1011 | if (r) | |
1012 | return r; | |
1013 | ||
1014 | ring = &adev->sdma[1].ring; | |
1015 | sprintf(ring->name, "sdma1"); | |
1016 | r = amdgpu_ring_init(adev, ring, 256 * 1024, | |
1017 | SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf, | |
1018 | &adev->sdma_trap_irq, AMDGPU_SDMA_IRQ_TRAP1, | |
1019 | AMDGPU_RING_TYPE_SDMA); | |
1020 | if (r) | |
1021 | return r; | |
1022 | ||
1023 | return r; | |
1024 | } | |
1025 | ||
5fc3aeeb | 1026 | static int sdma_v2_4_sw_fini(void *handle) |
aaa36a97 | 1027 | { |
5fc3aeeb | 1028 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1029 | ||
aaa36a97 AD |
1030 | amdgpu_ring_fini(&adev->sdma[0].ring); |
1031 | amdgpu_ring_fini(&adev->sdma[1].ring); | |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
5fc3aeeb | 1036 | static int sdma_v2_4_hw_init(void *handle) |
aaa36a97 AD |
1037 | { |
1038 | int r; | |
5fc3aeeb | 1039 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1040 | |
1041 | sdma_v2_4_init_golden_registers(adev); | |
1042 | ||
1043 | r = sdma_v2_4_start(adev); | |
1044 | if (r) | |
1045 | return r; | |
1046 | ||
1047 | return r; | |
1048 | } | |
1049 | ||
5fc3aeeb | 1050 | static int sdma_v2_4_hw_fini(void *handle) |
aaa36a97 | 1051 | { |
5fc3aeeb | 1052 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1053 | ||
aaa36a97 AD |
1054 | sdma_v2_4_enable(adev, false); |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
5fc3aeeb | 1059 | static int sdma_v2_4_suspend(void *handle) |
aaa36a97 | 1060 | { |
5fc3aeeb | 1061 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1062 | |
1063 | return sdma_v2_4_hw_fini(adev); | |
1064 | } | |
1065 | ||
5fc3aeeb | 1066 | static int sdma_v2_4_resume(void *handle) |
aaa36a97 | 1067 | { |
5fc3aeeb | 1068 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1069 | |
1070 | return sdma_v2_4_hw_init(adev); | |
1071 | } | |
1072 | ||
5fc3aeeb | 1073 | static bool sdma_v2_4_is_idle(void *handle) |
aaa36a97 | 1074 | { |
5fc3aeeb | 1075 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1076 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1077 | ||
1078 | if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1079 | SRBM_STATUS2__SDMA1_BUSY_MASK)) | |
1080 | return false; | |
1081 | ||
1082 | return true; | |
1083 | } | |
1084 | ||
5fc3aeeb | 1085 | static int sdma_v2_4_wait_for_idle(void *handle) |
aaa36a97 AD |
1086 | { |
1087 | unsigned i; | |
1088 | u32 tmp; | |
5fc3aeeb | 1089 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1090 | |
1091 | for (i = 0; i < adev->usec_timeout; i++) { | |
1092 | tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1093 | SRBM_STATUS2__SDMA1_BUSY_MASK); | |
1094 | ||
1095 | if (!tmp) | |
1096 | return 0; | |
1097 | udelay(1); | |
1098 | } | |
1099 | return -ETIMEDOUT; | |
1100 | } | |
1101 | ||
5fc3aeeb | 1102 | static void sdma_v2_4_print_status(void *handle) |
aaa36a97 AD |
1103 | { |
1104 | int i, j; | |
5fc3aeeb | 1105 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1106 | |
1107 | dev_info(adev->dev, "VI SDMA registers\n"); | |
1108 | dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n", | |
1109 | RREG32(mmSRBM_STATUS2)); | |
1110 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
1111 | dev_info(adev->dev, " SDMA%d_STATUS_REG=0x%08X\n", | |
1112 | i, RREG32(mmSDMA0_STATUS_REG + sdma_offsets[i])); | |
1113 | dev_info(adev->dev, " SDMA%d_F32_CNTL=0x%08X\n", | |
1114 | i, RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i])); | |
1115 | dev_info(adev->dev, " SDMA%d_CNTL=0x%08X\n", | |
1116 | i, RREG32(mmSDMA0_CNTL + sdma_offsets[i])); | |
1117 | dev_info(adev->dev, " SDMA%d_SEM_WAIT_FAIL_TIMER_CNTL=0x%08X\n", | |
1118 | i, RREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i])); | |
1119 | dev_info(adev->dev, " SDMA%d_GFX_IB_CNTL=0x%08X\n", | |
1120 | i, RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i])); | |
1121 | dev_info(adev->dev, " SDMA%d_GFX_RB_CNTL=0x%08X\n", | |
1122 | i, RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i])); | |
1123 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR=0x%08X\n", | |
1124 | i, RREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i])); | |
1125 | dev_info(adev->dev, " SDMA%d_GFX_RB_WPTR=0x%08X\n", | |
1126 | i, RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i])); | |
1127 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR_ADDR_HI=0x%08X\n", | |
1128 | i, RREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i])); | |
1129 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR_ADDR_LO=0x%08X\n", | |
1130 | i, RREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i])); | |
1131 | dev_info(adev->dev, " SDMA%d_GFX_RB_BASE=0x%08X\n", | |
1132 | i, RREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i])); | |
1133 | dev_info(adev->dev, " SDMA%d_GFX_RB_BASE_HI=0x%08X\n", | |
1134 | i, RREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i])); | |
1135 | mutex_lock(&adev->srbm_mutex); | |
1136 | for (j = 0; j < 16; j++) { | |
1137 | vi_srbm_select(adev, 0, 0, 0, j); | |
1138 | dev_info(adev->dev, " VM %d:\n", j); | |
1139 | dev_info(adev->dev, " SDMA%d_GFX_VIRTUAL_ADDR=0x%08X\n", | |
1140 | i, RREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i])); | |
1141 | dev_info(adev->dev, " SDMA%d_GFX_APE1_CNTL=0x%08X\n", | |
1142 | i, RREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i])); | |
1143 | } | |
1144 | vi_srbm_select(adev, 0, 0, 0, 0); | |
1145 | mutex_unlock(&adev->srbm_mutex); | |
1146 | } | |
1147 | } | |
1148 | ||
5fc3aeeb | 1149 | static int sdma_v2_4_soft_reset(void *handle) |
aaa36a97 AD |
1150 | { |
1151 | u32 srbm_soft_reset = 0; | |
5fc3aeeb | 1152 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1153 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1154 | ||
1155 | if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) { | |
1156 | /* sdma0 */ | |
1157 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); | |
1158 | tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); | |
1159 | WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); | |
1160 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; | |
1161 | } | |
1162 | if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) { | |
1163 | /* sdma1 */ | |
1164 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); | |
1165 | tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); | |
1166 | WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); | |
1167 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; | |
1168 | } | |
1169 | ||
1170 | if (srbm_soft_reset) { | |
5fc3aeeb | 1171 | sdma_v2_4_print_status((void *)adev); |
aaa36a97 AD |
1172 | |
1173 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1174 | tmp |= srbm_soft_reset; | |
1175 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1176 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1177 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1178 | ||
1179 | udelay(50); | |
1180 | ||
1181 | tmp &= ~srbm_soft_reset; | |
1182 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1183 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1184 | ||
1185 | /* Wait a little for things to settle down */ | |
1186 | udelay(50); | |
1187 | ||
5fc3aeeb | 1188 | sdma_v2_4_print_status((void *)adev); |
aaa36a97 AD |
1189 | } |
1190 | ||
1191 | return 0; | |
1192 | } | |
1193 | ||
1194 | static int sdma_v2_4_set_trap_irq_state(struct amdgpu_device *adev, | |
1195 | struct amdgpu_irq_src *src, | |
1196 | unsigned type, | |
1197 | enum amdgpu_interrupt_state state) | |
1198 | { | |
1199 | u32 sdma_cntl; | |
1200 | ||
1201 | switch (type) { | |
1202 | case AMDGPU_SDMA_IRQ_TRAP0: | |
1203 | switch (state) { | |
1204 | case AMDGPU_IRQ_STATE_DISABLE: | |
1205 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1206 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1207 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1208 | break; | |
1209 | case AMDGPU_IRQ_STATE_ENABLE: | |
1210 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1211 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1212 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1213 | break; | |
1214 | default: | |
1215 | break; | |
1216 | } | |
1217 | break; | |
1218 | case AMDGPU_SDMA_IRQ_TRAP1: | |
1219 | switch (state) { | |
1220 | case AMDGPU_IRQ_STATE_DISABLE: | |
1221 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1222 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1223 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1224 | break; | |
1225 | case AMDGPU_IRQ_STATE_ENABLE: | |
1226 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1227 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1228 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1229 | break; | |
1230 | default: | |
1231 | break; | |
1232 | } | |
1233 | break; | |
1234 | default: | |
1235 | break; | |
1236 | } | |
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | static int sdma_v2_4_process_trap_irq(struct amdgpu_device *adev, | |
1241 | struct amdgpu_irq_src *source, | |
1242 | struct amdgpu_iv_entry *entry) | |
1243 | { | |
1244 | u8 instance_id, queue_id; | |
1245 | ||
1246 | instance_id = (entry->ring_id & 0x3) >> 0; | |
1247 | queue_id = (entry->ring_id & 0xc) >> 2; | |
1248 | DRM_DEBUG("IH: SDMA trap\n"); | |
1249 | switch (instance_id) { | |
1250 | case 0: | |
1251 | switch (queue_id) { | |
1252 | case 0: | |
1253 | amdgpu_fence_process(&adev->sdma[0].ring); | |
1254 | break; | |
1255 | case 1: | |
1256 | /* XXX compute */ | |
1257 | break; | |
1258 | case 2: | |
1259 | /* XXX compute */ | |
1260 | break; | |
1261 | } | |
1262 | break; | |
1263 | case 1: | |
1264 | switch (queue_id) { | |
1265 | case 0: | |
1266 | amdgpu_fence_process(&adev->sdma[1].ring); | |
1267 | break; | |
1268 | case 1: | |
1269 | /* XXX compute */ | |
1270 | break; | |
1271 | case 2: | |
1272 | /* XXX compute */ | |
1273 | break; | |
1274 | } | |
1275 | break; | |
1276 | } | |
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int sdma_v2_4_process_illegal_inst_irq(struct amdgpu_device *adev, | |
1281 | struct amdgpu_irq_src *source, | |
1282 | struct amdgpu_iv_entry *entry) | |
1283 | { | |
1284 | DRM_ERROR("Illegal instruction in SDMA command stream\n"); | |
1285 | schedule_work(&adev->reset_work); | |
1286 | return 0; | |
1287 | } | |
1288 | ||
5fc3aeeb | 1289 | static int sdma_v2_4_set_clockgating_state(void *handle, |
1290 | enum amd_clockgating_state state) | |
aaa36a97 AD |
1291 | { |
1292 | /* XXX handled via the smc on VI */ | |
aaa36a97 AD |
1293 | return 0; |
1294 | } | |
1295 | ||
5fc3aeeb | 1296 | static int sdma_v2_4_set_powergating_state(void *handle, |
1297 | enum amd_powergating_state state) | |
aaa36a97 AD |
1298 | { |
1299 | return 0; | |
1300 | } | |
1301 | ||
5fc3aeeb | 1302 | const struct amd_ip_funcs sdma_v2_4_ip_funcs = { |
aaa36a97 AD |
1303 | .early_init = sdma_v2_4_early_init, |
1304 | .late_init = NULL, | |
1305 | .sw_init = sdma_v2_4_sw_init, | |
1306 | .sw_fini = sdma_v2_4_sw_fini, | |
1307 | .hw_init = sdma_v2_4_hw_init, | |
1308 | .hw_fini = sdma_v2_4_hw_fini, | |
1309 | .suspend = sdma_v2_4_suspend, | |
1310 | .resume = sdma_v2_4_resume, | |
1311 | .is_idle = sdma_v2_4_is_idle, | |
1312 | .wait_for_idle = sdma_v2_4_wait_for_idle, | |
1313 | .soft_reset = sdma_v2_4_soft_reset, | |
1314 | .print_status = sdma_v2_4_print_status, | |
1315 | .set_clockgating_state = sdma_v2_4_set_clockgating_state, | |
1316 | .set_powergating_state = sdma_v2_4_set_powergating_state, | |
1317 | }; | |
1318 | ||
1319 | /** | |
1320 | * sdma_v2_4_ring_is_lockup - Check if the DMA engine is locked up | |
1321 | * | |
1322 | * @ring: amdgpu_ring structure holding ring information | |
1323 | * | |
1324 | * Check if the async DMA engine is locked up (VI). | |
1325 | * Returns true if the engine appears to be locked up, false if not. | |
1326 | */ | |
1327 | static bool sdma_v2_4_ring_is_lockup(struct amdgpu_ring *ring) | |
1328 | { | |
1329 | ||
1330 | if (sdma_v2_4_is_idle(ring->adev)) { | |
1331 | amdgpu_ring_lockup_update(ring); | |
1332 | return false; | |
1333 | } | |
1334 | return amdgpu_ring_test_lockup(ring); | |
1335 | } | |
1336 | ||
1337 | static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { | |
1338 | .get_rptr = sdma_v2_4_ring_get_rptr, | |
1339 | .get_wptr = sdma_v2_4_ring_get_wptr, | |
1340 | .set_wptr = sdma_v2_4_ring_set_wptr, | |
1341 | .parse_cs = NULL, | |
1342 | .emit_ib = sdma_v2_4_ring_emit_ib, | |
1343 | .emit_fence = sdma_v2_4_ring_emit_fence, | |
1344 | .emit_semaphore = sdma_v2_4_ring_emit_semaphore, | |
1345 | .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, | |
d2edb07b | 1346 | .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, |
aaa36a97 AD |
1347 | .test_ring = sdma_v2_4_ring_test_ring, |
1348 | .test_ib = sdma_v2_4_ring_test_ib, | |
1349 | .is_lockup = sdma_v2_4_ring_is_lockup, | |
1350 | }; | |
1351 | ||
1352 | static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev) | |
1353 | { | |
1354 | adev->sdma[0].ring.funcs = &sdma_v2_4_ring_funcs; | |
1355 | adev->sdma[1].ring.funcs = &sdma_v2_4_ring_funcs; | |
1356 | } | |
1357 | ||
1358 | static const struct amdgpu_irq_src_funcs sdma_v2_4_trap_irq_funcs = { | |
1359 | .set = sdma_v2_4_set_trap_irq_state, | |
1360 | .process = sdma_v2_4_process_trap_irq, | |
1361 | }; | |
1362 | ||
1363 | static const struct amdgpu_irq_src_funcs sdma_v2_4_illegal_inst_irq_funcs = { | |
1364 | .process = sdma_v2_4_process_illegal_inst_irq, | |
1365 | }; | |
1366 | ||
1367 | static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev) | |
1368 | { | |
1369 | adev->sdma_trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; | |
1370 | adev->sdma_trap_irq.funcs = &sdma_v2_4_trap_irq_funcs; | |
1371 | adev->sdma_illegal_inst_irq.funcs = &sdma_v2_4_illegal_inst_irq_funcs; | |
1372 | } | |
1373 | ||
1374 | /** | |
1375 | * sdma_v2_4_emit_copy_buffer - copy buffer using the sDMA engine | |
1376 | * | |
1377 | * @ring: amdgpu_ring structure holding ring information | |
1378 | * @src_offset: src GPU address | |
1379 | * @dst_offset: dst GPU address | |
1380 | * @byte_count: number of bytes to xfer | |
1381 | * | |
1382 | * Copy GPU buffers using the DMA engine (VI). | |
1383 | * Used by the amdgpu ttm implementation to move pages if | |
1384 | * registered as the asic copy callback. | |
1385 | */ | |
1386 | static void sdma_v2_4_emit_copy_buffer(struct amdgpu_ring *ring, | |
1387 | uint64_t src_offset, | |
1388 | uint64_t dst_offset, | |
1389 | uint32_t byte_count) | |
1390 | { | |
1391 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | | |
1392 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR)); | |
1393 | amdgpu_ring_write(ring, byte_count); | |
1394 | amdgpu_ring_write(ring, 0); /* src/dst endian swap */ | |
1395 | amdgpu_ring_write(ring, lower_32_bits(src_offset)); | |
1396 | amdgpu_ring_write(ring, upper_32_bits(src_offset)); | |
1397 | amdgpu_ring_write(ring, lower_32_bits(dst_offset)); | |
1398 | amdgpu_ring_write(ring, upper_32_bits(dst_offset)); | |
1399 | } | |
1400 | ||
1401 | /** | |
1402 | * sdma_v2_4_emit_fill_buffer - fill buffer using the sDMA engine | |
1403 | * | |
1404 | * @ring: amdgpu_ring structure holding ring information | |
1405 | * @src_data: value to write to buffer | |
1406 | * @dst_offset: dst GPU address | |
1407 | * @byte_count: number of bytes to xfer | |
1408 | * | |
1409 | * Fill GPU buffers using the DMA engine (VI). | |
1410 | */ | |
1411 | static void sdma_v2_4_emit_fill_buffer(struct amdgpu_ring *ring, | |
1412 | uint32_t src_data, | |
1413 | uint64_t dst_offset, | |
1414 | uint32_t byte_count) | |
1415 | { | |
1416 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL)); | |
1417 | amdgpu_ring_write(ring, lower_32_bits(dst_offset)); | |
1418 | amdgpu_ring_write(ring, upper_32_bits(dst_offset)); | |
1419 | amdgpu_ring_write(ring, src_data); | |
1420 | amdgpu_ring_write(ring, byte_count); | |
1421 | } | |
1422 | ||
1423 | static const struct amdgpu_buffer_funcs sdma_v2_4_buffer_funcs = { | |
1424 | .copy_max_bytes = 0x1fffff, | |
1425 | .copy_num_dw = 7, | |
1426 | .emit_copy_buffer = sdma_v2_4_emit_copy_buffer, | |
1427 | ||
1428 | .fill_max_bytes = 0x1fffff, | |
1429 | .fill_num_dw = 7, | |
1430 | .emit_fill_buffer = sdma_v2_4_emit_fill_buffer, | |
1431 | }; | |
1432 | ||
1433 | static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev) | |
1434 | { | |
1435 | if (adev->mman.buffer_funcs == NULL) { | |
1436 | adev->mman.buffer_funcs = &sdma_v2_4_buffer_funcs; | |
1437 | adev->mman.buffer_funcs_ring = &adev->sdma[0].ring; | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | static const struct amdgpu_vm_pte_funcs sdma_v2_4_vm_pte_funcs = { | |
1442 | .copy_pte = sdma_v2_4_vm_copy_pte, | |
1443 | .write_pte = sdma_v2_4_vm_write_pte, | |
1444 | .set_pte_pde = sdma_v2_4_vm_set_pte_pde, | |
1445 | .pad_ib = sdma_v2_4_vm_pad_ib, | |
1446 | }; | |
1447 | ||
1448 | static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev) | |
1449 | { | |
1450 | if (adev->vm_manager.vm_pte_funcs == NULL) { | |
1451 | adev->vm_manager.vm_pte_funcs = &sdma_v2_4_vm_pte_funcs; | |
1452 | adev->vm_manager.vm_pte_funcs_ring = &adev->sdma[0].ring; | |
1453 | } | |
1454 | } |