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1/* Copyright (c) 2014 The Linux Foundation. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 */
13#include "a4xx_gpu.h"
14#ifdef CONFIG_MSM_OCMEM
15# include <soc/qcom/ocmem.h>
16#endif
17
18#define A4XX_INT0_MASK \
19 (A4XX_INT0_RBBM_AHB_ERROR | \
20 A4XX_INT0_RBBM_ATB_BUS_OVERFLOW | \
21 A4XX_INT0_CP_T0_PACKET_IN_IB | \
22 A4XX_INT0_CP_OPCODE_ERROR | \
23 A4XX_INT0_CP_RESERVED_BIT_ERROR | \
24 A4XX_INT0_CP_HW_FAULT | \
25 A4XX_INT0_CP_IB1_INT | \
26 A4XX_INT0_CP_IB2_INT | \
27 A4XX_INT0_CP_RB_INT | \
28 A4XX_INT0_CP_REG_PROTECT_FAULT | \
29 A4XX_INT0_CP_AHB_ERROR_HALT | \
30 A4XX_INT0_UCHE_OOB_ACCESS)
31
32extern bool hang_debug;
33static void a4xx_dump(struct msm_gpu *gpu);
34
35/*
36 * a4xx_enable_hwcg() - Program the clock control registers
37 * @device: The adreno device pointer
38 */
39static void a4xx_enable_hwcg(struct msm_gpu *gpu)
40{
41 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
42 unsigned int i;
43 for (i = 0; i < 4; i++)
44 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_TP(i), 0x02222202);
45 for (i = 0; i < 4; i++)
46 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2_TP(i), 0x00002222);
47 for (i = 0; i < 4; i++)
48 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_TP(i), 0x0E739CE7);
49 for (i = 0; i < 4; i++)
50 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_TP(i), 0x00111111);
51 for (i = 0; i < 4; i++)
52 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_SP(i), 0x22222222);
53 for (i = 0; i < 4; i++)
54 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2_SP(i), 0x00222222);
55 for (i = 0; i < 4; i++)
56 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_SP(i), 0x00000104);
57 for (i = 0; i < 4; i++)
58 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_SP(i), 0x00000081);
59 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_UCHE, 0x22222222);
60 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2_UCHE, 0x02222222);
61 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL3_UCHE, 0x00000000);
62 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL4_UCHE, 0x00000000);
63 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_UCHE, 0x00004444);
64 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_UCHE, 0x00001112);
65 for (i = 0; i < 4; i++)
66 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_RB(i), 0x22222222);
67
68 /* Disable L1 clocking in A420 due to CCU issues with it */
69 for (i = 0; i < 4; i++) {
70 if (adreno_is_a420(adreno_gpu)) {
71 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2_RB(i),
72 0x00002020);
73 } else {
74 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2_RB(i),
75 0x00022020);
76 }
77 }
78
79 for (i = 0; i < 4; i++) {
80 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_MARB_CCU(i),
81 0x00000922);
82 }
83
84 for (i = 0; i < 4; i++) {
85 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_RB_MARB_CCU(i),
86 0x00000000);
87 }
88
89 for (i = 0; i < 4; i++) {
90 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_RB_MARB_CCU_L1(i),
91 0x00000001);
92 }
93
94 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_MODE_GPC, 0x02222222);
95 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_GPC, 0x04100104);
96 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_GPC, 0x00022222);
97 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_COM_DCOM, 0x00000022);
98 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_COM_DCOM, 0x0000010F);
99 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_COM_DCOM, 0x00000022);
100 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_TSE_RAS_RBBM, 0x00222222);
101 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00004104);
102 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00000222);
103 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_HLSQ , 0x00000000);
104 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000);
105 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, 0x00220000);
106 /* Early A430's have a timing issue with SP/TP power collapse;
107 disabling HW clock gating prevents it. */
108 if (adreno_is_a430(adreno_gpu) && adreno_gpu->rev.patchid < 2)
109 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0);
110 else
111 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL, 0xAAAAAAAA);
112 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL2, 0);
113}
114
115
116static void a4xx_me_init(struct msm_gpu *gpu)
117{
118 struct msm_ringbuffer *ring = gpu->rb;
119
120 OUT_PKT3(ring, CP_ME_INIT, 17);
121 OUT_RING(ring, 0x000003f7);
122 OUT_RING(ring, 0x00000000);
123 OUT_RING(ring, 0x00000000);
124 OUT_RING(ring, 0x00000000);
125 OUT_RING(ring, 0x00000080);
126 OUT_RING(ring, 0x00000100);
127 OUT_RING(ring, 0x00000180);
128 OUT_RING(ring, 0x00006600);
129 OUT_RING(ring, 0x00000150);
130 OUT_RING(ring, 0x0000014e);
131 OUT_RING(ring, 0x00000154);
132 OUT_RING(ring, 0x00000001);
133 OUT_RING(ring, 0x00000000);
134 OUT_RING(ring, 0x00000000);
135 OUT_RING(ring, 0x00000000);
136 OUT_RING(ring, 0x00000000);
137 OUT_RING(ring, 0x00000000);
138
139 gpu->funcs->flush(gpu);
140 gpu->funcs->idle(gpu);
141}
142
143static int a4xx_hw_init(struct msm_gpu *gpu)
144{
145 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
146 struct a4xx_gpu *a4xx_gpu = to_a4xx_gpu(adreno_gpu);
147 uint32_t *ptr, len;
148 int i, ret;
149
150 if (adreno_is_a420(adreno_gpu)) {
151 gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT, 0x0001001F);
152 gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT_CONF, 0x000000A4);
153 gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001);
154 gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF0, 0x18181818);
155 gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF1, 0x00000018);
156 gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818);
157 gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018);
158 gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
159 } else if (adreno_is_a430(adreno_gpu)) {
160 gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001);
161 gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF0, 0x18181818);
162 gpu_write(gpu, REG_A4XX_VBIF_IN_RD_LIM_CONF1, 0x00000018);
163 gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF0, 0x18181818);
164 gpu_write(gpu, REG_A4XX_VBIF_IN_WR_LIM_CONF1, 0x00000018);
165 gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
166 } else {
167 BUG();
168 }
169
170 /* Make all blocks contribute to the GPU BUSY perf counter */
171 gpu_write(gpu, REG_A4XX_RBBM_GPU_BUSY_MASKED, 0xffffffff);
172
173 /* Tune the hystersis counters for SP and CP idle detection */
174 gpu_write(gpu, REG_A4XX_RBBM_SP_HYST_CNT, 0x10);
175 gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL, 0x10);
176
177 if (adreno_is_a430(adreno_gpu)) {
178 gpu_write(gpu, REG_A4XX_RBBM_WAIT_IDLE_CLOCKS_CTL2, 0x30);
179 }
180
181 /* Enable the RBBM error reporting bits */
182 gpu_write(gpu, REG_A4XX_RBBM_AHB_CTL0, 0x00000001);
183
184 /* Enable AHB error reporting*/
185 gpu_write(gpu, REG_A4XX_RBBM_AHB_CTL1, 0xa6ffffff);
186
187 /* Enable power counters*/
188 gpu_write(gpu, REG_A4XX_RBBM_RBBM_CTL, 0x00000030);
189
190 /*
191 * Turn on hang detection - this spews a lot of useful information
192 * into the RBBM registers on a hang:
193 */
194 gpu_write(gpu, REG_A4XX_RBBM_INTERFACE_HANG_INT_CTL,
195 (1 << 30) | 0xFFFF);
196
197 gpu_write(gpu, REG_A4XX_RB_GMEM_BASE_ADDR,
198 (unsigned int)(a4xx_gpu->ocmem_base >> 14));
199
200 /* Turn on performance counters: */
201 gpu_write(gpu, REG_A4XX_RBBM_PERFCTR_CTL, 0x01);
202
203 /* use the first CP counter for timestamp queries.. userspace may set
204 * this as well but it selects the same counter/countable:
205 */
206 gpu_write(gpu, REG_A4XX_CP_PERFCTR_CP_SEL_0, CP_ALWAYS_COUNT);
207
208 if (adreno_is_a430(adreno_gpu))
209 gpu_write(gpu, REG_A4XX_UCHE_CACHE_WAYS_VFD, 0x07);
210
211 /* Disable L2 bypass to avoid UCHE out of bounds errors */
212 gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_LO, 0xffff0000);
213 gpu_write(gpu, REG_A4XX_UCHE_TRAP_BASE_HI, 0xffff0000);
214
215 gpu_write(gpu, REG_A4XX_CP_DEBUG, (1 << 25) |
216 (adreno_is_a420(adreno_gpu) ? (1 << 29) : 0));
217
218 /* On A430 enable SP regfile sleep for power savings */
219 /* TODO downstream does this for !420, so maybe applies for 405 too? */
220 if (!adreno_is_a420(adreno_gpu)) {
221 gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_0,
222 0x00000441);
223 gpu_write(gpu, REG_A4XX_RBBM_SP_REGFILE_SLEEP_CNTL_1,
224 0x00000441);
225 }
226
227 a4xx_enable_hwcg(gpu);
228
229 /*
230 * For A420 set RBBM_CLOCK_DELAY_HLSQ.CGC_HLSQ_TP_EARLY_CYC >= 2
231 * due to timing issue with HLSQ_TP_CLK_EN
232 */
233 if (adreno_is_a420(adreno_gpu)) {
234 unsigned int val;
235 val = gpu_read(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ);
236 val &= ~A4XX_CGC_HLSQ_EARLY_CYC__MASK;
237 val |= 2 << A4XX_CGC_HLSQ_EARLY_CYC__SHIFT;
238 gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_HLSQ, val);
239 }
240
241 /* setup access protection: */
242 gpu_write(gpu, REG_A4XX_CP_PROTECT_CTRL, 0x00000007);
243
244 /* RBBM registers */
245 gpu_write(gpu, REG_A4XX_CP_PROTECT(0), 0x62000010);
246 gpu_write(gpu, REG_A4XX_CP_PROTECT(1), 0x63000020);
247 gpu_write(gpu, REG_A4XX_CP_PROTECT(2), 0x64000040);
248 gpu_write(gpu, REG_A4XX_CP_PROTECT(3), 0x65000080);
249 gpu_write(gpu, REG_A4XX_CP_PROTECT(4), 0x66000100);
250 gpu_write(gpu, REG_A4XX_CP_PROTECT(5), 0x64000200);
251
252 /* CP registers */
253 gpu_write(gpu, REG_A4XX_CP_PROTECT(6), 0x67000800);
254 gpu_write(gpu, REG_A4XX_CP_PROTECT(7), 0x64001600);
255
256
257 /* RB registers */
258 gpu_write(gpu, REG_A4XX_CP_PROTECT(8), 0x60003300);
259
260 /* HLSQ registers */
261 gpu_write(gpu, REG_A4XX_CP_PROTECT(9), 0x60003800);
262
263 /* VPC registers */
264 gpu_write(gpu, REG_A4XX_CP_PROTECT(10), 0x61003980);
265
266 /* SMMU registers */
267 gpu_write(gpu, REG_A4XX_CP_PROTECT(11), 0x6e010000);
268
269 gpu_write(gpu, REG_A4XX_RBBM_INT_0_MASK, A4XX_INT0_MASK);
270
271 ret = adreno_hw_init(gpu);
272 if (ret)
273 return ret;
274
275 /* Load PM4: */
276 ptr = (uint32_t *)(adreno_gpu->pm4->data);
277 len = adreno_gpu->pm4->size / 4;
278 DBG("loading PM4 ucode version: %u", ptr[0]);
279 gpu_write(gpu, REG_A4XX_CP_ME_RAM_WADDR, 0);
280 for (i = 1; i < len; i++)
281 gpu_write(gpu, REG_A4XX_CP_ME_RAM_DATA, ptr[i]);
282
283 /* Load PFP: */
284 ptr = (uint32_t *)(adreno_gpu->pfp->data);
285 len = adreno_gpu->pfp->size / 4;
286 DBG("loading PFP ucode version: %u", ptr[0]);
287
288 gpu_write(gpu, REG_A4XX_CP_PFP_UCODE_ADDR, 0);
289 for (i = 1; i < len; i++)
290 gpu_write(gpu, REG_A4XX_CP_PFP_UCODE_DATA, ptr[i]);
291
292 /* clear ME_HALT to start micro engine */
293 gpu_write(gpu, REG_A4XX_CP_ME_CNTL, 0);
294
295 a4xx_me_init(gpu);
296
297 return 0;
298}
299
300static void a4xx_recover(struct msm_gpu *gpu)
301{
302 adreno_dump_info(gpu);
303
304 /* dump registers before resetting gpu, if enabled: */
305 if (hang_debug)
306 a4xx_dump(gpu);
307
308 gpu_write(gpu, REG_A4XX_RBBM_SW_RESET_CMD, 1);
309 gpu_read(gpu, REG_A4XX_RBBM_SW_RESET_CMD);
310 gpu_write(gpu, REG_A4XX_RBBM_SW_RESET_CMD, 0);
311 adreno_recover(gpu);
312}
313
314static void a4xx_destroy(struct msm_gpu *gpu)
315{
316 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
317 struct a4xx_gpu *a4xx_gpu = to_a4xx_gpu(adreno_gpu);
318
319 DBG("%s", gpu->name);
320
321 adreno_gpu_cleanup(adreno_gpu);
322
323#ifdef CONFIG_MSM_OCMEM
324 if (a4xx_gpu->ocmem_base)
325 ocmem_free(OCMEM_GRAPHICS, a4xx_gpu->ocmem_hdl);
326#endif
327
328 kfree(a4xx_gpu);
329}
330
331static void a4xx_idle(struct msm_gpu *gpu)
332{
333 /* wait for ringbuffer to drain: */
334 adreno_idle(gpu);
335
336 /* then wait for GPU to finish: */
337 if (spin_until(!(gpu_read(gpu, REG_A4XX_RBBM_STATUS) &
338 A4XX_RBBM_STATUS_GPU_BUSY)))
339 DRM_ERROR("%s: timeout waiting for GPU to idle!\n", gpu->name);
340
341 /* TODO maybe we need to reset GPU here to recover from hang? */
342}
343
344static irqreturn_t a4xx_irq(struct msm_gpu *gpu)
345{
346 uint32_t status;
347
348 status = gpu_read(gpu, REG_A4XX_RBBM_INT_0_STATUS);
349 DBG("%s: Int status %08x", gpu->name, status);
350
351 if (status & A4XX_INT0_CP_REG_PROTECT_FAULT) {
352 uint32_t reg = gpu_read(gpu, REG_A4XX_CP_PROTECT_STATUS);
353 printk("CP | Protected mode error| %s | addr=%x\n",
354 reg & (1 << 24) ? "WRITE" : "READ",
355 (reg & 0xFFFFF) >> 2);
356 }
357
358 gpu_write(gpu, REG_A4XX_RBBM_INT_CLEAR_CMD, status);
359
360 msm_gpu_retire(gpu);
361
362 return IRQ_HANDLED;
363}
364
365static const unsigned int a4xx_registers[] = {
366 /* RBBM */
367 0x0000, 0x0002, 0x0004, 0x0021, 0x0023, 0x0024, 0x0026, 0x0026,
368 0x0028, 0x002B, 0x002E, 0x0034, 0x0037, 0x0044, 0x0047, 0x0066,
369 0x0068, 0x0095, 0x009C, 0x0170, 0x0174, 0x01AF,
370 /* CP */
371 0x0200, 0x0233, 0x0240, 0x0250, 0x04C0, 0x04DD, 0x0500, 0x050B,
372 0x0578, 0x058F,
373 /* VSC */
374 0x0C00, 0x0C03, 0x0C08, 0x0C41, 0x0C50, 0x0C51,
375 /* GRAS */
376 0x0C80, 0x0C81, 0x0C88, 0x0C8F,
377 /* RB */
378 0x0CC0, 0x0CC0, 0x0CC4, 0x0CD2,
379 /* PC */
380 0x0D00, 0x0D0C, 0x0D10, 0x0D17, 0x0D20, 0x0D23,
381 /* VFD */
382 0x0E40, 0x0E4A,
383 /* VPC */
384 0x0E60, 0x0E61, 0x0E63, 0x0E68,
385 /* UCHE */
386 0x0E80, 0x0E84, 0x0E88, 0x0E95,
387 /* VMIDMT */
388 0x1000, 0x1000, 0x1002, 0x1002, 0x1004, 0x1004, 0x1008, 0x100A,
389 0x100C, 0x100D, 0x100F, 0x1010, 0x1012, 0x1016, 0x1024, 0x1024,
390 0x1027, 0x1027, 0x1100, 0x1100, 0x1102, 0x1102, 0x1104, 0x1104,
391 0x1110, 0x1110, 0x1112, 0x1116, 0x1124, 0x1124, 0x1300, 0x1300,
392 0x1380, 0x1380,
393 /* GRAS CTX 0 */
394 0x2000, 0x2004, 0x2008, 0x2067, 0x2070, 0x2078, 0x207B, 0x216E,
395 /* PC CTX 0 */
396 0x21C0, 0x21C6, 0x21D0, 0x21D0, 0x21D9, 0x21D9, 0x21E5, 0x21E7,
397 /* VFD CTX 0 */
398 0x2200, 0x2204, 0x2208, 0x22A9,
399 /* GRAS CTX 1 */
400 0x2400, 0x2404, 0x2408, 0x2467, 0x2470, 0x2478, 0x247B, 0x256E,
401 /* PC CTX 1 */
402 0x25C0, 0x25C6, 0x25D0, 0x25D0, 0x25D9, 0x25D9, 0x25E5, 0x25E7,
403 /* VFD CTX 1 */
404 0x2600, 0x2604, 0x2608, 0x26A9,
405 /* XPU */
406 0x2C00, 0x2C01, 0x2C10, 0x2C10, 0x2C12, 0x2C16, 0x2C1D, 0x2C20,
407 0x2C28, 0x2C28, 0x2C30, 0x2C30, 0x2C32, 0x2C36, 0x2C40, 0x2C40,
408 0x2C50, 0x2C50, 0x2C52, 0x2C56, 0x2C80, 0x2C80, 0x2C94, 0x2C95,
409 /* VBIF */
410 0x3000, 0x3007, 0x300C, 0x3014, 0x3018, 0x301D, 0x3020, 0x3022,
411 0x3024, 0x3026, 0x3028, 0x302A, 0x302C, 0x302D, 0x3030, 0x3031,
412 0x3034, 0x3036, 0x3038, 0x3038, 0x303C, 0x303D, 0x3040, 0x3040,
413 0x3049, 0x3049, 0x3058, 0x3058, 0x305B, 0x3061, 0x3064, 0x3068,
414 0x306C, 0x306D, 0x3080, 0x3088, 0x308B, 0x308C, 0x3090, 0x3094,
415 0x3098, 0x3098, 0x309C, 0x309C, 0x30C0, 0x30C0, 0x30C8, 0x30C8,
416 0x30D0, 0x30D0, 0x30D8, 0x30D8, 0x30E0, 0x30E0, 0x3100, 0x3100,
417 0x3108, 0x3108, 0x3110, 0x3110, 0x3118, 0x3118, 0x3120, 0x3120,
418 0x3124, 0x3125, 0x3129, 0x3129, 0x3131, 0x3131, 0x330C, 0x330C,
419 0x3310, 0x3310, 0x3400, 0x3401, 0x3410, 0x3410, 0x3412, 0x3416,
420 0x341D, 0x3420, 0x3428, 0x3428, 0x3430, 0x3430, 0x3432, 0x3436,
421 0x3440, 0x3440, 0x3450, 0x3450, 0x3452, 0x3456, 0x3480, 0x3480,
422 0x3494, 0x3495, 0x4000, 0x4000, 0x4002, 0x4002, 0x4004, 0x4004,
423 0x4008, 0x400A, 0x400C, 0x400D, 0x400F, 0x4012, 0x4014, 0x4016,
424 0x401D, 0x401D, 0x4020, 0x4027, 0x4060, 0x4062, 0x4200, 0x4200,
425 0x4300, 0x4300, 0x4400, 0x4400, 0x4500, 0x4500, 0x4800, 0x4802,
426 0x480F, 0x480F, 0x4811, 0x4811, 0x4813, 0x4813, 0x4815, 0x4816,
427 0x482B, 0x482B, 0x4857, 0x4857, 0x4883, 0x4883, 0x48AF, 0x48AF,
428 0x48C5, 0x48C5, 0x48E5, 0x48E5, 0x4905, 0x4905, 0x4925, 0x4925,
429 0x4945, 0x4945, 0x4950, 0x4950, 0x495B, 0x495B, 0x4980, 0x498E,
430 0x4B00, 0x4B00, 0x4C00, 0x4C00, 0x4D00, 0x4D00, 0x4E00, 0x4E00,
431 0x4E80, 0x4E80, 0x4F00, 0x4F00, 0x4F08, 0x4F08, 0x4F10, 0x4F10,
432 0x4F18, 0x4F18, 0x4F20, 0x4F20, 0x4F30, 0x4F30, 0x4F60, 0x4F60,
433 0x4F80, 0x4F81, 0x4F88, 0x4F89, 0x4FEE, 0x4FEE, 0x4FF3, 0x4FF3,
434 0x6000, 0x6001, 0x6008, 0x600F, 0x6014, 0x6016, 0x6018, 0x601B,
435 0x61FD, 0x61FD, 0x623C, 0x623C, 0x6380, 0x6380, 0x63A0, 0x63A0,
436 0x63C0, 0x63C1, 0x63C8, 0x63C9, 0x63D0, 0x63D4, 0x63D6, 0x63D6,
437 0x63EE, 0x63EE, 0x6400, 0x6401, 0x6408, 0x640F, 0x6414, 0x6416,
438 0x6418, 0x641B, 0x65FD, 0x65FD, 0x663C, 0x663C, 0x6780, 0x6780,
439 0x67A0, 0x67A0, 0x67C0, 0x67C1, 0x67C8, 0x67C9, 0x67D0, 0x67D4,
440 0x67D6, 0x67D6, 0x67EE, 0x67EE, 0x6800, 0x6801, 0x6808, 0x680F,
441 0x6814, 0x6816, 0x6818, 0x681B, 0x69FD, 0x69FD, 0x6A3C, 0x6A3C,
442 0x6B80, 0x6B80, 0x6BA0, 0x6BA0, 0x6BC0, 0x6BC1, 0x6BC8, 0x6BC9,
443 0x6BD0, 0x6BD4, 0x6BD6, 0x6BD6, 0x6BEE, 0x6BEE,
444 ~0 /* sentinel */
445};
446
447#ifdef CONFIG_DEBUG_FS
448static void a4xx_show(struct msm_gpu *gpu, struct seq_file *m)
449{
450 gpu->funcs->pm_resume(gpu);
451
452 seq_printf(m, "status: %08x\n",
453 gpu_read(gpu, REG_A4XX_RBBM_STATUS));
454 gpu->funcs->pm_suspend(gpu);
455
456 adreno_show(gpu, m);
457
458}
459#endif
460
461/* Register offset defines for A4XX, in order of enum adreno_regs */
462static const unsigned int a4xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
463 REG_ADRENO_DEFINE(REG_ADRENO_CP_DEBUG, REG_A4XX_CP_DEBUG),
464 REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_WADDR, REG_A4XX_CP_ME_RAM_WADDR),
465 REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_DATA, REG_A4XX_CP_ME_RAM_DATA),
466 REG_ADRENO_DEFINE(REG_ADRENO_CP_PFP_UCODE_DATA,
467 REG_A4XX_CP_PFP_UCODE_DATA),
468 REG_ADRENO_DEFINE(REG_ADRENO_CP_PFP_UCODE_ADDR,
469 REG_A4XX_CP_PFP_UCODE_ADDR),
470 REG_ADRENO_DEFINE(REG_ADRENO_CP_WFI_PEND_CTR, REG_A4XX_CP_WFI_PEND_CTR),
471 REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_A4XX_CP_RB_BASE),
472 REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_A4XX_CP_RB_RPTR_ADDR),
473 REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_A4XX_CP_RB_RPTR),
474 REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_A4XX_CP_RB_WPTR),
475 REG_ADRENO_DEFINE(REG_ADRENO_CP_PROTECT_CTRL, REG_A4XX_CP_PROTECT_CTRL),
476 REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_CNTL, REG_A4XX_CP_ME_CNTL),
477 REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A4XX_CP_RB_CNTL),
478 REG_ADRENO_DEFINE(REG_ADRENO_CP_IB1_BASE, REG_A4XX_CP_IB1_BASE),
479 REG_ADRENO_DEFINE(REG_ADRENO_CP_IB1_BUFSZ, REG_A4XX_CP_IB1_BUFSZ),
480 REG_ADRENO_DEFINE(REG_ADRENO_CP_IB2_BASE, REG_A4XX_CP_IB2_BASE),
481 REG_ADRENO_DEFINE(REG_ADRENO_CP_IB2_BUFSZ, REG_A4XX_CP_IB2_BUFSZ),
482 REG_ADRENO_DEFINE(REG_ADRENO_CP_TIMESTAMP, REG_AXXX_CP_SCRATCH_REG0),
483 REG_ADRENO_DEFINE(REG_ADRENO_CP_ME_RAM_RADDR, REG_A4XX_CP_ME_RAM_RADDR),
484 REG_ADRENO_DEFINE(REG_ADRENO_CP_ROQ_ADDR, REG_A4XX_CP_ROQ_ADDR),
485 REG_ADRENO_DEFINE(REG_ADRENO_CP_ROQ_DATA, REG_A4XX_CP_ROQ_DATA),
486 REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_ADDR, REG_A4XX_CP_MERCIU_ADDR),
487 REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_DATA, REG_A4XX_CP_MERCIU_DATA),
488 REG_ADRENO_DEFINE(REG_ADRENO_CP_MERCIU_DATA2, REG_A4XX_CP_MERCIU_DATA2),
489 REG_ADRENO_DEFINE(REG_ADRENO_CP_MEQ_ADDR, REG_A4XX_CP_MEQ_ADDR),
490 REG_ADRENO_DEFINE(REG_ADRENO_CP_MEQ_DATA, REG_A4XX_CP_MEQ_DATA),
491 REG_ADRENO_DEFINE(REG_ADRENO_CP_HW_FAULT, REG_A4XX_CP_HW_FAULT),
492 REG_ADRENO_DEFINE(REG_ADRENO_CP_PROTECT_STATUS,
493 REG_A4XX_CP_PROTECT_STATUS),
494 REG_ADRENO_DEFINE(REG_ADRENO_SCRATCH_ADDR, REG_A4XX_CP_SCRATCH_ADDR),
495 REG_ADRENO_DEFINE(REG_ADRENO_SCRATCH_UMSK, REG_A4XX_CP_SCRATCH_UMASK),
496 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_STATUS, REG_A4XX_RBBM_STATUS),
497 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_CTL,
498 REG_A4XX_RBBM_PERFCTR_CTL),
499 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_CMD0,
500 REG_A4XX_RBBM_PERFCTR_LOAD_CMD0),
501 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_CMD1,
502 REG_A4XX_RBBM_PERFCTR_LOAD_CMD1),
503 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_CMD2,
504 REG_A4XX_RBBM_PERFCTR_LOAD_CMD2),
505 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_PWR_1_LO,
506 REG_A4XX_RBBM_PERFCTR_PWR_1_LO),
507 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_0_MASK, REG_A4XX_RBBM_INT_0_MASK),
508 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_0_STATUS,
509 REG_A4XX_RBBM_INT_0_STATUS),
510 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_ERROR_STATUS,
511 REG_A4XX_RBBM_AHB_ERROR_STATUS),
512 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_CMD, REG_A4XX_RBBM_AHB_CMD),
513 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_CLOCK_CTL, REG_A4XX_RBBM_CLOCK_CTL),
514 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_ME_SPLIT_STATUS,
515 REG_A4XX_RBBM_AHB_ME_SPLIT_STATUS),
516 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_AHB_PFP_SPLIT_STATUS,
517 REG_A4XX_RBBM_AHB_PFP_SPLIT_STATUS),
518 REG_ADRENO_DEFINE(REG_ADRENO_VPC_DEBUG_RAM_SEL,
519 REG_A4XX_VPC_DEBUG_RAM_SEL),
520 REG_ADRENO_DEFINE(REG_ADRENO_VPC_DEBUG_RAM_READ,
521 REG_A4XX_VPC_DEBUG_RAM_READ),
522 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_INT_CLEAR_CMD,
523 REG_A4XX_RBBM_INT_CLEAR_CMD),
524 REG_ADRENO_DEFINE(REG_ADRENO_VSC_SIZE_ADDRESS,
525 REG_A4XX_VSC_SIZE_ADDRESS),
526 REG_ADRENO_DEFINE(REG_ADRENO_VFD_CONTROL_0, REG_A4XX_VFD_CONTROL_0),
527 REG_ADRENO_DEFINE(REG_ADRENO_SP_VS_PVT_MEM_ADDR_REG,
528 REG_A4XX_SP_VS_PVT_MEM_ADDR),
529 REG_ADRENO_DEFINE(REG_ADRENO_SP_FS_PVT_MEM_ADDR_REG,
530 REG_A4XX_SP_FS_PVT_MEM_ADDR),
531 REG_ADRENO_DEFINE(REG_ADRENO_SP_VS_OBJ_START_REG,
532 REG_A4XX_SP_VS_OBJ_START),
533 REG_ADRENO_DEFINE(REG_ADRENO_SP_FS_OBJ_START_REG,
534 REG_A4XX_SP_FS_OBJ_START),
535 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_RBBM_CTL, REG_A4XX_RBBM_RBBM_CTL),
536 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_SW_RESET_CMD,
537 REG_A4XX_RBBM_SW_RESET_CMD),
538 REG_ADRENO_DEFINE(REG_ADRENO_UCHE_INVALIDATE0,
539 REG_A4XX_UCHE_INVALIDATE0),
540 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_LO,
541 REG_A4XX_RBBM_PERFCTR_LOAD_VALUE_LO),
542 REG_ADRENO_DEFINE(REG_ADRENO_RBBM_PERFCTR_LOAD_VALUE_HI,
543 REG_A4XX_RBBM_PERFCTR_LOAD_VALUE_HI),
544};
545
546static void a4xx_dump(struct msm_gpu *gpu)
547{
548 printk("status: %08x\n",
549 gpu_read(gpu, REG_A4XX_RBBM_STATUS));
550 adreno_dump(gpu);
551}
552
553static int a4xx_pm_resume(struct msm_gpu *gpu) {
554 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
555 int ret;
556
557 ret = msm_gpu_pm_resume(gpu);
558 if (ret)
559 return ret;
560
561 if (adreno_is_a430(adreno_gpu)) {
562 unsigned int reg;
563 /* Set the default register values; set SW_COLLAPSE to 0 */
564 gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778000);
565 do {
566 udelay(5);
567 reg = gpu_read(gpu, REG_A4XX_RBBM_POWER_STATUS);
568 } while (!(reg & A4XX_RBBM_POWER_CNTL_IP_SP_TP_PWR_ON));
569 }
570 return 0;
571}
572
573static int a4xx_pm_suspend(struct msm_gpu *gpu) {
574 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
575 int ret;
576
577 ret = msm_gpu_pm_suspend(gpu);
578 if (ret)
579 return ret;
580
581 if (adreno_is_a430(adreno_gpu)) {
582 /* Set the default register values; set SW_COLLAPSE to 1 */
583 gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778001);
584 }
585 return 0;
586}
587
588static int a4xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value)
589{
590 uint32_t hi, lo, tmp;
591
592 tmp = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_HI);
593 do {
594 hi = tmp;
595 lo = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_LO);
596 tmp = gpu_read(gpu, REG_A4XX_RBBM_PERFCTR_CP_0_HI);
597 } while (tmp != hi);
598
599 *value = (((uint64_t)hi) << 32) | lo;
600
601 return 0;
602}
603
604static const struct adreno_gpu_funcs funcs = {
605 .base = {
606 .get_param = adreno_get_param,
607 .hw_init = a4xx_hw_init,
608 .pm_suspend = a4xx_pm_suspend,
609 .pm_resume = a4xx_pm_resume,
610 .recover = a4xx_recover,
611 .last_fence = adreno_last_fence,
612 .submit = adreno_submit,
613 .flush = adreno_flush,
614 .idle = a4xx_idle,
615 .irq = a4xx_irq,
616 .destroy = a4xx_destroy,
617#ifdef CONFIG_DEBUG_FS
618 .show = a4xx_show,
619#endif
620 },
621 .get_timestamp = a4xx_get_timestamp,
622};
623
624struct msm_gpu *a4xx_gpu_init(struct drm_device *dev)
625{
626 struct a4xx_gpu *a4xx_gpu = NULL;
627 struct adreno_gpu *adreno_gpu;
628 struct msm_gpu *gpu;
629 struct msm_drm_private *priv = dev->dev_private;
630 struct platform_device *pdev = priv->gpu_pdev;
631 int ret;
632
633 if (!pdev) {
634 dev_err(dev->dev, "no a4xx device\n");
635 ret = -ENXIO;
636 goto fail;
637 }
638
639 a4xx_gpu = kzalloc(sizeof(*a4xx_gpu), GFP_KERNEL);
640 if (!a4xx_gpu) {
641 ret = -ENOMEM;
642 goto fail;
643 }
644
645 adreno_gpu = &a4xx_gpu->base;
646 gpu = &adreno_gpu->base;
647
648 a4xx_gpu->pdev = pdev;
649
650 gpu->perfcntrs = NULL;
651 gpu->num_perfcntrs = 0;
652
653 adreno_gpu->registers = a4xx_registers;
654 adreno_gpu->reg_offsets = a4xx_register_offsets;
655
656 ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs);
657 if (ret)
658 goto fail;
659
660 /* if needed, allocate gmem: */
661 if (adreno_is_a4xx(adreno_gpu)) {
662#ifdef CONFIG_MSM_OCMEM
663 /* TODO this is different/missing upstream: */
664 struct ocmem_buf *ocmem_hdl =
665 ocmem_allocate(OCMEM_GRAPHICS, adreno_gpu->gmem);
666
667 a4xx_gpu->ocmem_hdl = ocmem_hdl;
668 a4xx_gpu->ocmem_base = ocmem_hdl->addr;
669 adreno_gpu->gmem = ocmem_hdl->len;
670 DBG("using %dK of OCMEM at 0x%08x", adreno_gpu->gmem / 1024,
671 a4xx_gpu->ocmem_base);
672#endif
673 }
674
675 if (!gpu->mmu) {
676 /* TODO we think it is possible to configure the GPU to
677 * restrict access to VRAM carveout. But the required
678 * registers are unknown. For now just bail out and
679 * limp along with just modesetting. If it turns out
680 * to not be possible to restrict access, then we must
681 * implement a cmdstream validator.
682 */
683 dev_err(dev->dev, "No memory protection without IOMMU\n");
684 ret = -ENXIO;
685 goto fail;
686 }
687
688 return gpu;
689
690fail:
691 if (a4xx_gpu)
692 a4xx_destroy(&a4xx_gpu->base.base);
693
694 return ERR_PTR(ret);
695}