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First Support on Ginger and OMAP TI
[linux-ginger.git] / drivers / gpu / drm / radeon / rs690.c
blob025e3225346cc6a6902392fddcade5c1cce99134
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include "drmP.h"
29 #include "radeon.h"
30 #include "atom.h"
31 #include "rs690d.h"
32
33 static int rs690_mc_wait_for_idle(struct radeon_device *rdev)
34 {
35 unsigned i;
36 uint32_t tmp;
37
38 for (i = 0; i < rdev->usec_timeout; i++) {
39 /* read MC_STATUS */
40 tmp = RREG32_MC(R_000090_MC_SYSTEM_STATUS);
41 if (G_000090_MC_SYSTEM_IDLE(tmp))
42 return 0;
43 udelay(1);
44 }
45 return -1;
46 }
47
48 static void rs690_gpu_init(struct radeon_device *rdev)
49 {
50 /* FIXME: HDP same place on rs690 ? */
51 r100_hdp_reset(rdev);
52 /* FIXME: is this correct ? */
53 r420_pipes_init(rdev);
54 if (rs690_mc_wait_for_idle(rdev)) {
55 printk(KERN_WARNING "Failed to wait MC idle while "
56 "programming pipes. Bad things might happen.\n");
57 }
58 }
59
60 void rs690_pm_info(struct radeon_device *rdev)
61 {
62 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
63 struct _ATOM_INTEGRATED_SYSTEM_INFO *info;
64 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *info_v2;
65 void *ptr;
66 uint16_t data_offset;
67 uint8_t frev, crev;
68 fixed20_12 tmp;
69
70 atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
71 &frev, &crev, &data_offset);
72 ptr = rdev->mode_info.atom_context->bios + data_offset;
73 info = (struct _ATOM_INTEGRATED_SYSTEM_INFO *)ptr;
74 info_v2 = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *)ptr;
75 /* Get various system informations from bios */
76 switch (crev) {
77 case 1:
78 tmp.full = rfixed_const(100);
79 rdev->pm.igp_sideport_mclk.full = rfixed_const(info->ulBootUpMemoryClock);
80 rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
81 rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->usK8MemoryClock));
82 rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->usFSBClock));
83 rdev->pm.igp_ht_link_width.full = rfixed_const(info->ucHTLinkWidth);
84 break;
85 case 2:
86 tmp.full = rfixed_const(100);
87 rdev->pm.igp_sideport_mclk.full = rfixed_const(info_v2->ulBootUpSidePortClock);
88 rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
89 rdev->pm.igp_system_mclk.full = rfixed_const(info_v2->ulBootUpUMAClock);
90 rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
91 rdev->pm.igp_ht_link_clk.full = rfixed_const(info_v2->ulHTLinkFreq);
92 rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
93 rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info_v2->usMinHTLinkWidth));
94 break;
95 default:
96 tmp.full = rfixed_const(100);
97 /* We assume the slower possible clock ie worst case */
98 /* DDR 333Mhz */
99 rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
100 /* FIXME: system clock ? */
101 rdev->pm.igp_system_mclk.full = rfixed_const(100);
102 rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
103 rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
104 rdev->pm.igp_ht_link_width.full = rfixed_const(8);
105 DRM_ERROR("No integrated system info for your GPU, using safe default\n");
106 break;
107 }
108 /* Compute various bandwidth */
109 /* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */
110 tmp.full = rfixed_const(4);
111 rdev->pm.k8_bandwidth.full = rfixed_mul(rdev->pm.igp_system_mclk, tmp);
112 /* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8
113 * = ht_clk * ht_width / 5
114 */
115 tmp.full = rfixed_const(5);
116 rdev->pm.ht_bandwidth.full = rfixed_mul(rdev->pm.igp_ht_link_clk,
117 rdev->pm.igp_ht_link_width);
118 rdev->pm.ht_bandwidth.full = rfixed_div(rdev->pm.ht_bandwidth, tmp);
119 if (tmp.full < rdev->pm.max_bandwidth.full) {
120 /* HT link is a limiting factor */
121 rdev->pm.max_bandwidth.full = tmp.full;
122 }
123 /* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7
124 * = (sideport_clk * 14) / 10
125 */
126 tmp.full = rfixed_const(14);
127 rdev->pm.sideport_bandwidth.full = rfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
128 tmp.full = rfixed_const(10);
129 rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp);
130 }
131
132 void rs690_vram_info(struct radeon_device *rdev)
133 {
134 uint32_t tmp;
135 fixed20_12 a;
136
137 rs400_gart_adjust_size(rdev);
138 /* DDR for all card after R300 & IGP */
139 rdev->mc.vram_is_ddr = true;
140 /* FIXME: is this correct for RS690/RS740 ? */
141 tmp = RREG32(RADEON_MEM_CNTL);
142 if (tmp & R300_MEM_NUM_CHANNELS_MASK) {
143 rdev->mc.vram_width = 128;
144 } else {
145 rdev->mc.vram_width = 64;
146 }
147 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
148 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
149
150 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
151 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
152 rs690_pm_info(rdev);
153 /* FIXME: we should enforce default clock in case GPU is not in
154 * default setup
155 */
156 a.full = rfixed_const(100);
157 rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
158 rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
159 a.full = rfixed_const(16);
160 /* core_bandwidth = sclk(Mhz) * 16 */
161 rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
162 }
163
164 void rs690_line_buffer_adjust(struct radeon_device *rdev,
165 struct drm_display_mode *mode1,
166 struct drm_display_mode *mode2)
167 {
168 u32 tmp;
169
170 /*
171 * Line Buffer Setup
172 * There is a single line buffer shared by both display controllers.
173 * R_006520_DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
174 * the display controllers. The paritioning can either be done
175 * manually or via one of four preset allocations specified in bits 1:0:
176 * 0 - line buffer is divided in half and shared between crtc
177 * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4
178 * 2 - D1 gets the whole buffer
179 * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4
180 * Setting bit 2 of R_006520_DC_LB_MEMORY_SPLIT controls switches to manual
181 * allocation mode. In manual allocation mode, D1 always starts at 0,
182 * D1 end/2 is specified in bits 14:4; D2 allocation follows D1.
183 */
184 tmp = RREG32(R_006520_DC_LB_MEMORY_SPLIT) & C_006520_DC_LB_MEMORY_SPLIT;
185 tmp &= ~C_006520_DC_LB_MEMORY_SPLIT_MODE;
186 /* auto */
187 if (mode1 && mode2) {
188 if (mode1->hdisplay > mode2->hdisplay) {
189 if (mode1->hdisplay > 2560)
190 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q;
191 else
192 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
193 } else if (mode2->hdisplay > mode1->hdisplay) {
194 if (mode2->hdisplay > 2560)
195 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
196 else
197 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
198 } else
199 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
200 } else if (mode1) {
201 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_ONLY;
202 } else if (mode2) {
203 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
204 }
205 WREG32(R_006520_DC_LB_MEMORY_SPLIT, tmp);
206 }
207
208 struct rs690_watermark {
209 u32 lb_request_fifo_depth;
210 fixed20_12 num_line_pair;
211 fixed20_12 estimated_width;
212 fixed20_12 worst_case_latency;
213 fixed20_12 consumption_rate;
214 fixed20_12 active_time;
215 fixed20_12 dbpp;
216 fixed20_12 priority_mark_max;
217 fixed20_12 priority_mark;
218 fixed20_12 sclk;
219 };
220
221 void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
222 struct radeon_crtc *crtc,
223 struct rs690_watermark *wm)
224 {
225 struct drm_display_mode *mode = &crtc->base.mode;
226 fixed20_12 a, b, c;
227 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
228 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
229 /* FIXME: detect IGP with sideport memory, i don't think there is any
230 * such product available
231 */
232 bool sideport = false;
233
234 if (!crtc->base.enabled) {
235 /* FIXME: wouldn't it better to set priority mark to maximum */
236 wm->lb_request_fifo_depth = 4;
237 return;
238 }
239
240 if (crtc->vsc.full > rfixed_const(2))
241 wm->num_line_pair.full = rfixed_const(2);
242 else
243 wm->num_line_pair.full = rfixed_const(1);
244
245 b.full = rfixed_const(mode->crtc_hdisplay);
246 c.full = rfixed_const(256);
247 a.full = rfixed_mul(wm->num_line_pair, b);
248 request_fifo_depth.full = rfixed_div(a, c);
249 if (a.full < rfixed_const(4)) {
250 wm->lb_request_fifo_depth = 4;
251 } else {
252 wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
253 }
254
255 /* Determine consumption rate
256 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
257 * vtaps = number of vertical taps,
258 * vsc = vertical scaling ratio, defined as source/destination
259 * hsc = horizontal scaling ration, defined as source/destination
260 */
261 a.full = rfixed_const(mode->clock);
262 b.full = rfixed_const(1000);
263 a.full = rfixed_div(a, b);
264 pclk.full = rfixed_div(b, a);
265 if (crtc->rmx_type != RMX_OFF) {
266 b.full = rfixed_const(2);
267 if (crtc->vsc.full > b.full)
268 b.full = crtc->vsc.full;
269 b.full = rfixed_mul(b, crtc->hsc);
270 c.full = rfixed_const(2);
271 b.full = rfixed_div(b, c);
272 consumption_time.full = rfixed_div(pclk, b);
273 } else {
274 consumption_time.full = pclk.full;
275 }
276 a.full = rfixed_const(1);
277 wm->consumption_rate.full = rfixed_div(a, consumption_time);
278
279
280 /* Determine line time
281 * LineTime = total time for one line of displayhtotal
282 * LineTime = total number of horizontal pixels
283 * pclk = pixel clock period(ns)
284 */
285 a.full = rfixed_const(crtc->base.mode.crtc_htotal);
286 line_time.full = rfixed_mul(a, pclk);
287
288 /* Determine active time
289 * ActiveTime = time of active region of display within one line,
290 * hactive = total number of horizontal active pixels
291 * htotal = total number of horizontal pixels
292 */
293 a.full = rfixed_const(crtc->base.mode.crtc_htotal);
294 b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
295 wm->active_time.full = rfixed_mul(line_time, b);
296 wm->active_time.full = rfixed_div(wm->active_time, a);
297
298 /* Maximun bandwidth is the minimun bandwidth of all component */
299 rdev->pm.max_bandwidth = rdev->pm.core_bandwidth;
300 if (sideport) {
301 if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
302 rdev->pm.sideport_bandwidth.full)
303 rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
304 read_delay_latency.full = rfixed_const(370 * 800 * 1000);
305 read_delay_latency.full = rfixed_div(read_delay_latency,
306 rdev->pm.igp_sideport_mclk);
307 } else {
308 if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
309 rdev->pm.k8_bandwidth.full)
310 rdev->pm.max_bandwidth = rdev->pm.k8_bandwidth;
311 if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full &&
312 rdev->pm.ht_bandwidth.full)
313 rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth;
314 read_delay_latency.full = rfixed_const(5000);
315 }
316
317 /* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */
318 a.full = rfixed_const(16);
319 rdev->pm.sclk.full = rfixed_mul(rdev->pm.max_bandwidth, a);
320 a.full = rfixed_const(1000);
321 rdev->pm.sclk.full = rfixed_div(a, rdev->pm.sclk);
322 /* Determine chunk time
323 * ChunkTime = the time it takes the DCP to send one chunk of data
324 * to the LB which consists of pipeline delay and inter chunk gap
325 * sclk = system clock(ns)
326 */
327 a.full = rfixed_const(256 * 13);
328 chunk_time.full = rfixed_mul(rdev->pm.sclk, a);
329 a.full = rfixed_const(10);
330 chunk_time.full = rfixed_div(chunk_time, a);
331
332 /* Determine the worst case latency
333 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
334 * WorstCaseLatency = worst case time from urgent to when the MC starts
335 * to return data
336 * READ_DELAY_IDLE_MAX = constant of 1us
337 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
338 * which consists of pipeline delay and inter chunk gap
339 */
340 if (rfixed_trunc(wm->num_line_pair) > 1) {
341 a.full = rfixed_const(3);
342 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
343 wm->worst_case_latency.full += read_delay_latency.full;
344 } else {
345 a.full = rfixed_const(2);
346 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
347 wm->worst_case_latency.full += read_delay_latency.full;
348 }
349
350 /* Determine the tolerable latency
351 * TolerableLatency = Any given request has only 1 line time
352 * for the data to be returned
353 * LBRequestFifoDepth = Number of chunk requests the LB can
354 * put into the request FIFO for a display
355 * LineTime = total time for one line of display
356 * ChunkTime = the time it takes the DCP to send one chunk
357 * of data to the LB which consists of
358 * pipeline delay and inter chunk gap
359 */
360 if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
361 tolerable_latency.full = line_time.full;
362 } else {
363 tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
364 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
365 tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
366 tolerable_latency.full = line_time.full - tolerable_latency.full;
367 }
368 /* We assume worst case 32bits (4 bytes) */
369 wm->dbpp.full = rfixed_const(4 * 8);
370
371 /* Determine the maximum priority mark
372 * width = viewport width in pixels
373 */
374 a.full = rfixed_const(16);
375 wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
376 wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
377
378 /* Determine estimated width */
379 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
380 estimated_width.full = rfixed_div(estimated_width, consumption_time);
381 if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
382 wm->priority_mark.full = rfixed_const(10);
383 } else {
384 a.full = rfixed_const(16);
385 wm->priority_mark.full = rfixed_div(estimated_width, a);
386 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
387 }
388 }
389
390 void rs690_bandwidth_update(struct radeon_device *rdev)
391 {
392 struct drm_display_mode *mode0 = NULL;
393 struct drm_display_mode *mode1 = NULL;
394 struct rs690_watermark wm0;
395 struct rs690_watermark wm1;
396 u32 tmp;
397 fixed20_12 priority_mark02, priority_mark12, fill_rate;
398 fixed20_12 a, b;
399
400 if (rdev->mode_info.crtcs[0]->base.enabled)
401 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
402 if (rdev->mode_info.crtcs[1]->base.enabled)
403 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
404 /*
405 * Set display0/1 priority up in the memory controller for
406 * modes if the user specifies HIGH for displaypriority
407 * option.
408 */
409 if (rdev->disp_priority == 2) {
410 tmp = RREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER);
411 tmp &= C_000104_MC_DISP0R_INIT_LAT;
412 tmp &= C_000104_MC_DISP1R_INIT_LAT;
413 if (mode0)
414 tmp |= S_000104_MC_DISP0R_INIT_LAT(1);
415 if (mode1)
416 tmp |= S_000104_MC_DISP1R_INIT_LAT(1);
417 WREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER, tmp);
418 }
419 rs690_line_buffer_adjust(rdev, mode0, mode1);
420
421 if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740))
422 WREG32(R_006C9C_DCP_CONTROL, 0);
423 if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
424 WREG32(R_006C9C_DCP_CONTROL, 2);
425
426 rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
427 rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
428
429 tmp = (wm0.lb_request_fifo_depth - 1);
430 tmp |= (wm1.lb_request_fifo_depth - 1) << 16;
431 WREG32(R_006D58_LB_MAX_REQ_OUTSTANDING, tmp);
432
433 if (mode0 && mode1) {
434 if (rfixed_trunc(wm0.dbpp) > 64)
435 a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
436 else
437 a.full = wm0.num_line_pair.full;
438 if (rfixed_trunc(wm1.dbpp) > 64)
439 b.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
440 else
441 b.full = wm1.num_line_pair.full;
442 a.full += b.full;
443 fill_rate.full = rfixed_div(wm0.sclk, a);
444 if (wm0.consumption_rate.full > fill_rate.full) {
445 b.full = wm0.consumption_rate.full - fill_rate.full;
446 b.full = rfixed_mul(b, wm0.active_time);
447 a.full = rfixed_mul(wm0.worst_case_latency,
448 wm0.consumption_rate);
449 a.full = a.full + b.full;
450 b.full = rfixed_const(16 * 1000);
451 priority_mark02.full = rfixed_div(a, b);
452 } else {
453 a.full = rfixed_mul(wm0.worst_case_latency,
454 wm0.consumption_rate);
455 b.full = rfixed_const(16 * 1000);
456 priority_mark02.full = rfixed_div(a, b);
457 }
458 if (wm1.consumption_rate.full > fill_rate.full) {
459 b.full = wm1.consumption_rate.full - fill_rate.full;
460 b.full = rfixed_mul(b, wm1.active_time);
461 a.full = rfixed_mul(wm1.worst_case_latency,
462 wm1.consumption_rate);
463 a.full = a.full + b.full;
464 b.full = rfixed_const(16 * 1000);
465 priority_mark12.full = rfixed_div(a, b);
466 } else {
467 a.full = rfixed_mul(wm1.worst_case_latency,
468 wm1.consumption_rate);
469 b.full = rfixed_const(16 * 1000);
470 priority_mark12.full = rfixed_div(a, b);
471 }
472 if (wm0.priority_mark.full > priority_mark02.full)
473 priority_mark02.full = wm0.priority_mark.full;
474 if (rfixed_trunc(priority_mark02) < 0)
475 priority_mark02.full = 0;
476 if (wm0.priority_mark_max.full > priority_mark02.full)
477 priority_mark02.full = wm0.priority_mark_max.full;
478 if (wm1.priority_mark.full > priority_mark12.full)
479 priority_mark12.full = wm1.priority_mark.full;
480 if (rfixed_trunc(priority_mark12) < 0)
481 priority_mark12.full = 0;
482 if (wm1.priority_mark_max.full > priority_mark12.full)
483 priority_mark12.full = wm1.priority_mark_max.full;
484 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
485 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
486 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
487 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
488 } else if (mode0) {
489 if (rfixed_trunc(wm0.dbpp) > 64)
490 a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
491 else
492 a.full = wm0.num_line_pair.full;
493 fill_rate.full = rfixed_div(wm0.sclk, a);
494 if (wm0.consumption_rate.full > fill_rate.full) {
495 b.full = wm0.consumption_rate.full - fill_rate.full;
496 b.full = rfixed_mul(b, wm0.active_time);
497 a.full = rfixed_mul(wm0.worst_case_latency,
498 wm0.consumption_rate);
499 a.full = a.full + b.full;
500 b.full = rfixed_const(16 * 1000);
501 priority_mark02.full = rfixed_div(a, b);
502 } else {
503 a.full = rfixed_mul(wm0.worst_case_latency,
504 wm0.consumption_rate);
505 b.full = rfixed_const(16 * 1000);
506 priority_mark02.full = rfixed_div(a, b);
507 }
508 if (wm0.priority_mark.full > priority_mark02.full)
509 priority_mark02.full = wm0.priority_mark.full;
510 if (rfixed_trunc(priority_mark02) < 0)
511 priority_mark02.full = 0;
512 if (wm0.priority_mark_max.full > priority_mark02.full)
513 priority_mark02.full = wm0.priority_mark_max.full;
514 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
515 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
516 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT,
517 S_006D48_D2MODE_PRIORITY_A_OFF(1));
518 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
519 S_006D4C_D2MODE_PRIORITY_B_OFF(1));
520 } else {
521 if (rfixed_trunc(wm1.dbpp) > 64)
522 a.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
523 else
524 a.full = wm1.num_line_pair.full;
525 fill_rate.full = rfixed_div(wm1.sclk, a);
526 if (wm1.consumption_rate.full > fill_rate.full) {
527 b.full = wm1.consumption_rate.full - fill_rate.full;
528 b.full = rfixed_mul(b, wm1.active_time);
529 a.full = rfixed_mul(wm1.worst_case_latency,
530 wm1.consumption_rate);
531 a.full = a.full + b.full;
532 b.full = rfixed_const(16 * 1000);
533 priority_mark12.full = rfixed_div(a, b);
534 } else {
535 a.full = rfixed_mul(wm1.worst_case_latency,
536 wm1.consumption_rate);
537 b.full = rfixed_const(16 * 1000);
538 priority_mark12.full = rfixed_div(a, b);
539 }
540 if (wm1.priority_mark.full > priority_mark12.full)
541 priority_mark12.full = wm1.priority_mark.full;
542 if (rfixed_trunc(priority_mark12) < 0)
543 priority_mark12.full = 0;
544 if (wm1.priority_mark_max.full > priority_mark12.full)
545 priority_mark12.full = wm1.priority_mark_max.full;
546 WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
547 S_006548_D1MODE_PRIORITY_A_OFF(1));
548 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT,
549 S_00654C_D1MODE_PRIORITY_B_OFF(1));
550 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
551 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
552 }
553 }
554
555 uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg)
556 {
557 uint32_t r;
558
559 WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg));
560 r = RREG32(R_00007C_MC_DATA);
561 WREG32(R_000078_MC_INDEX, ~C_000078_MC_IND_ADDR);
562 return r;
563 }
564
565 void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
566 {
567 WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg) |
568 S_000078_MC_IND_WR_EN(1));
569 WREG32(R_00007C_MC_DATA, v);
570 WREG32(R_000078_MC_INDEX, 0x7F);
571 }
572
573 void rs690_mc_program(struct radeon_device *rdev)
574 {
575 struct rv515_mc_save save;
576
577 /* Stops all mc clients */
578 rv515_mc_stop(rdev, &save);
579
580 /* Wait for mc idle */
581 if (rs690_mc_wait_for_idle(rdev))
582 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
583 /* Program MC, should be a 32bits limited address space */
584 WREG32_MC(R_000100_MCCFG_FB_LOCATION,
585 S_000100_MC_FB_START(rdev->mc.vram_start >> 16) |
586 S_000100_MC_FB_TOP(rdev->mc.vram_end >> 16));
587 WREG32(R_000134_HDP_FB_LOCATION,
588 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
589
590 rv515_mc_resume(rdev, &save);
591 }
592
593 static int rs690_startup(struct radeon_device *rdev)
594 {
595 int r;
596
597 rs690_mc_program(rdev);
598 /* Resume clock */
599 rv515_clock_startup(rdev);
600 /* Initialize GPU configuration (# pipes, ...) */
601 rs690_gpu_init(rdev);
602 /* Initialize GART (initialize after TTM so we can allocate
603 * memory through TTM but finalize after TTM) */
604 r = rs400_gart_enable(rdev);
605 if (r)
606 return r;
607 /* Enable IRQ */
608 rdev->irq.sw_int = true;
609 rs600_irq_set(rdev);
610 /* 1M ring buffer */
611 r = r100_cp_init(rdev, 1024 * 1024);
612 if (r) {
613 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
614 return r;
615 }
616 r = r100_wb_init(rdev);
617 if (r)
618 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
619 r = r100_ib_init(rdev);
620 if (r) {
621 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
622 return r;
623 }
624 return 0;
625 }
626
627 int rs690_resume(struct radeon_device *rdev)
628 {
629 /* Make sur GART are not working */
630 rs400_gart_disable(rdev);
631 /* Resume clock before doing reset */
632 rv515_clock_startup(rdev);
633 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
634 if (radeon_gpu_reset(rdev)) {
635 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
636 RREG32(R_000E40_RBBM_STATUS),
637 RREG32(R_0007C0_CP_STAT));
638 }
639 /* post */
640 atom_asic_init(rdev->mode_info.atom_context);
641 /* Resume clock after posting */
642 rv515_clock_startup(rdev);
643 return rs690_startup(rdev);
644 }
645
646 int rs690_suspend(struct radeon_device *rdev)
647 {
648 r100_cp_disable(rdev);
649 r100_wb_disable(rdev);
650 rs600_irq_disable(rdev);
651 rs400_gart_disable(rdev);
652 return 0;
653 }
654
655 void rs690_fini(struct radeon_device *rdev)
656 {
657 rs690_suspend(rdev);
658 r100_cp_fini(rdev);
659 r100_wb_fini(rdev);
660 r100_ib_fini(rdev);
661 radeon_gem_fini(rdev);
662 rs400_gart_fini(rdev);
663 radeon_irq_kms_fini(rdev);
664 radeon_fence_driver_fini(rdev);
665 radeon_object_fini(rdev);
666 radeon_atombios_fini(rdev);
667 kfree(rdev->bios);
668 rdev->bios = NULL;
669 }
670
671 int rs690_init(struct radeon_device *rdev)
672 {
673 int r;
674
675 /* Disable VGA */
676 rv515_vga_render_disable(rdev);
677 /* Initialize scratch registers */
678 radeon_scratch_init(rdev);
679 /* Initialize surface registers */
680 radeon_surface_init(rdev);
681 /* TODO: disable VGA need to use VGA request */
682 /* BIOS*/
683 if (!radeon_get_bios(rdev)) {
684 if (ASIC_IS_AVIVO(rdev))
685 return -EINVAL;
686 }
687 if (rdev->is_atom_bios) {
688 r = radeon_atombios_init(rdev);
689 if (r)
690 return r;
691 } else {
692 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
693 return -EINVAL;
694 }
695 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
696 if (radeon_gpu_reset(rdev)) {
697 dev_warn(rdev->dev,
698 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
699 RREG32(R_000E40_RBBM_STATUS),
700 RREG32(R_0007C0_CP_STAT));
701 }
702 /* check if cards are posted or not */
703 if (!radeon_card_posted(rdev) && rdev->bios) {
704 DRM_INFO("GPU not posted. posting now...\n");
705 atom_asic_init(rdev->mode_info.atom_context);
706 }
707 /* Initialize clocks */
708 radeon_get_clock_info(rdev->ddev);
709 /* Get vram informations */
710 rs690_vram_info(rdev);
711 /* Initialize memory controller (also test AGP) */
712 r = r420_mc_init(rdev);
713 if (r)
714 return r;
715 rv515_debugfs(rdev);
716 /* Fence driver */
717 r = radeon_fence_driver_init(rdev);
718 if (r)
719 return r;
720 r = radeon_irq_kms_init(rdev);
721 if (r)
722 return r;
723 /* Memory manager */
724 r = radeon_object_init(rdev);
725 if (r)
726 return r;
727 r = rs400_gart_init(rdev);
728 if (r)
729 return r;
730 rs600_set_safe_registers(rdev);
731 rdev->accel_working = true;
732 r = rs690_startup(rdev);
733 if (r) {
734 /* Somethings want wront with the accel init stop accel */
735 dev_err(rdev->dev, "Disabling GPU acceleration\n");
736 rs690_suspend(rdev);
737 r100_cp_fini(rdev);
738 r100_wb_fini(rdev);
739 r100_ib_fini(rdev);
740 rs400_gart_fini(rdev);
741 radeon_irq_kms_fini(rdev);
742 rdev->accel_working = false;
743 }
744 return 0;
745 }
Linux for Ginger Game Console