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771fe6b9 JG |
1 | /* |
2 | * Copyright 2007-8 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Dave Airlie | |
24 | * Alex Deucher | |
25 | */ | |
26 | #include "drmP.h" | |
27 | #include "radeon_drm.h" | |
28 | #include "radeon.h" | |
29 | ||
30 | #include "atom.h" | |
31 | #include <asm/div64.h> | |
32 | ||
33 | #include "drm_crtc_helper.h" | |
34 | #include "drm_edid.h" | |
35 | ||
36 | static int radeon_ddc_dump(struct drm_connector *connector); | |
37 | ||
38 | static void avivo_crtc_load_lut(struct drm_crtc *crtc) | |
39 | { | |
40 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
41 | struct drm_device *dev = crtc->dev; | |
42 | struct radeon_device *rdev = dev->dev_private; | |
43 | int i; | |
44 | ||
45 | DRM_DEBUG("%d\n", radeon_crtc->crtc_id); | |
46 | WREG32(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0); | |
47 | ||
48 | WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); | |
49 | WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); | |
50 | WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); | |
51 | ||
52 | WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); | |
53 | WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); | |
54 | WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); | |
55 | ||
56 | WREG32(AVIVO_DC_LUT_RW_SELECT, radeon_crtc->crtc_id); | |
57 | WREG32(AVIVO_DC_LUT_RW_MODE, 0); | |
58 | WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f); | |
59 | ||
60 | WREG8(AVIVO_DC_LUT_RW_INDEX, 0); | |
61 | for (i = 0; i < 256; i++) { | |
62 | WREG32(AVIVO_DC_LUT_30_COLOR, | |
63 | (radeon_crtc->lut_r[i] << 20) | | |
64 | (radeon_crtc->lut_g[i] << 10) | | |
65 | (radeon_crtc->lut_b[i] << 0)); | |
66 | } | |
67 | ||
68 | WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id); | |
69 | } | |
70 | ||
71 | static void legacy_crtc_load_lut(struct drm_crtc *crtc) | |
72 | { | |
73 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
74 | struct drm_device *dev = crtc->dev; | |
75 | struct radeon_device *rdev = dev->dev_private; | |
76 | int i; | |
77 | uint32_t dac2_cntl; | |
78 | ||
79 | dac2_cntl = RREG32(RADEON_DAC_CNTL2); | |
80 | if (radeon_crtc->crtc_id == 0) | |
81 | dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL; | |
82 | else | |
83 | dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL; | |
84 | WREG32(RADEON_DAC_CNTL2, dac2_cntl); | |
85 | ||
86 | WREG8(RADEON_PALETTE_INDEX, 0); | |
87 | for (i = 0; i < 256; i++) { | |
88 | WREG32(RADEON_PALETTE_30_DATA, | |
89 | (radeon_crtc->lut_r[i] << 20) | | |
90 | (radeon_crtc->lut_g[i] << 10) | | |
91 | (radeon_crtc->lut_b[i] << 0)); | |
92 | } | |
93 | } | |
94 | ||
95 | void radeon_crtc_load_lut(struct drm_crtc *crtc) | |
96 | { | |
97 | struct drm_device *dev = crtc->dev; | |
98 | struct radeon_device *rdev = dev->dev_private; | |
99 | ||
100 | if (!crtc->enabled) | |
101 | return; | |
102 | ||
103 | if (ASIC_IS_AVIVO(rdev)) | |
104 | avivo_crtc_load_lut(crtc); | |
105 | else | |
106 | legacy_crtc_load_lut(crtc); | |
107 | } | |
108 | ||
109 | /** Sets the color ramps on behalf of RandR */ | |
110 | void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, | |
111 | u16 blue, int regno) | |
112 | { | |
113 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
114 | ||
115 | if (regno == 0) | |
116 | DRM_DEBUG("gamma set %d\n", radeon_crtc->crtc_id); | |
117 | radeon_crtc->lut_r[regno] = red >> 6; | |
118 | radeon_crtc->lut_g[regno] = green >> 6; | |
119 | radeon_crtc->lut_b[regno] = blue >> 6; | |
120 | } | |
121 | ||
122 | static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, | |
123 | u16 *blue, uint32_t size) | |
124 | { | |
125 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
126 | int i, j; | |
127 | ||
128 | if (size != 256) { | |
129 | return; | |
130 | } | |
131 | if (crtc->fb == NULL) { | |
132 | return; | |
133 | } | |
134 | ||
135 | if (crtc->fb->depth == 16) { | |
136 | for (i = 0; i < 64; i++) { | |
137 | if (i <= 31) { | |
138 | for (j = 0; j < 8; j++) { | |
139 | radeon_crtc->lut_r[i * 8 + j] = red[i] >> 6; | |
140 | radeon_crtc->lut_b[i * 8 + j] = blue[i] >> 6; | |
141 | } | |
142 | } | |
143 | for (j = 0; j < 4; j++) | |
144 | radeon_crtc->lut_g[i * 4 + j] = green[i] >> 6; | |
145 | } | |
146 | } else { | |
147 | for (i = 0; i < 256; i++) { | |
148 | radeon_crtc->lut_r[i] = red[i] >> 6; | |
149 | radeon_crtc->lut_g[i] = green[i] >> 6; | |
150 | radeon_crtc->lut_b[i] = blue[i] >> 6; | |
151 | } | |
152 | } | |
153 | ||
154 | radeon_crtc_load_lut(crtc); | |
155 | } | |
156 | ||
157 | static void radeon_crtc_destroy(struct drm_crtc *crtc) | |
158 | { | |
159 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
160 | ||
771fe6b9 JG |
161 | drm_crtc_cleanup(crtc); |
162 | kfree(radeon_crtc); | |
163 | } | |
164 | ||
165 | static const struct drm_crtc_funcs radeon_crtc_funcs = { | |
166 | .cursor_set = radeon_crtc_cursor_set, | |
167 | .cursor_move = radeon_crtc_cursor_move, | |
168 | .gamma_set = radeon_crtc_gamma_set, | |
169 | .set_config = drm_crtc_helper_set_config, | |
170 | .destroy = radeon_crtc_destroy, | |
171 | }; | |
172 | ||
173 | static void radeon_crtc_init(struct drm_device *dev, int index) | |
174 | { | |
175 | struct radeon_device *rdev = dev->dev_private; | |
176 | struct radeon_crtc *radeon_crtc; | |
177 | int i; | |
178 | ||
179 | radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); | |
180 | if (radeon_crtc == NULL) | |
181 | return; | |
182 | ||
183 | drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs); | |
184 | ||
185 | drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256); | |
186 | radeon_crtc->crtc_id = index; | |
c93bb85b | 187 | rdev->mode_info.crtcs[index] = radeon_crtc; |
771fe6b9 | 188 | |
785b93ef | 189 | #if 0 |
771fe6b9 JG |
190 | radeon_crtc->mode_set.crtc = &radeon_crtc->base; |
191 | radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); | |
192 | radeon_crtc->mode_set.num_connectors = 0; | |
785b93ef | 193 | #endif |
771fe6b9 JG |
194 | |
195 | for (i = 0; i < 256; i++) { | |
196 | radeon_crtc->lut_r[i] = i << 2; | |
197 | radeon_crtc->lut_g[i] = i << 2; | |
198 | radeon_crtc->lut_b[i] = i << 2; | |
199 | } | |
200 | ||
201 | if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)) | |
202 | radeon_atombios_init_crtc(dev, radeon_crtc); | |
203 | else | |
204 | radeon_legacy_init_crtc(dev, radeon_crtc); | |
205 | } | |
206 | ||
207 | static const char *encoder_names[34] = { | |
208 | "NONE", | |
209 | "INTERNAL_LVDS", | |
210 | "INTERNAL_TMDS1", | |
211 | "INTERNAL_TMDS2", | |
212 | "INTERNAL_DAC1", | |
213 | "INTERNAL_DAC2", | |
214 | "INTERNAL_SDVOA", | |
215 | "INTERNAL_SDVOB", | |
216 | "SI170B", | |
217 | "CH7303", | |
218 | "CH7301", | |
219 | "INTERNAL_DVO1", | |
220 | "EXTERNAL_SDVOA", | |
221 | "EXTERNAL_SDVOB", | |
222 | "TITFP513", | |
223 | "INTERNAL_LVTM1", | |
224 | "VT1623", | |
225 | "HDMI_SI1930", | |
226 | "HDMI_INTERNAL", | |
227 | "INTERNAL_KLDSCP_TMDS1", | |
228 | "INTERNAL_KLDSCP_DVO1", | |
229 | "INTERNAL_KLDSCP_DAC1", | |
230 | "INTERNAL_KLDSCP_DAC2", | |
231 | "SI178", | |
232 | "MVPU_FPGA", | |
233 | "INTERNAL_DDI", | |
234 | "VT1625", | |
235 | "HDMI_SI1932", | |
236 | "DP_AN9801", | |
237 | "DP_DP501", | |
238 | "INTERNAL_UNIPHY", | |
239 | "INTERNAL_KLDSCP_LVTMA", | |
240 | "INTERNAL_UNIPHY1", | |
241 | "INTERNAL_UNIPHY2", | |
242 | }; | |
243 | ||
244 | static const char *connector_names[13] = { | |
245 | "Unknown", | |
246 | "VGA", | |
247 | "DVI-I", | |
248 | "DVI-D", | |
249 | "DVI-A", | |
250 | "Composite", | |
251 | "S-video", | |
252 | "LVDS", | |
253 | "Component", | |
254 | "DIN", | |
255 | "DisplayPort", | |
256 | "HDMI-A", | |
257 | "HDMI-B", | |
258 | }; | |
259 | ||
260 | static void radeon_print_display_setup(struct drm_device *dev) | |
261 | { | |
262 | struct drm_connector *connector; | |
263 | struct radeon_connector *radeon_connector; | |
264 | struct drm_encoder *encoder; | |
265 | struct radeon_encoder *radeon_encoder; | |
266 | uint32_t devices; | |
267 | int i = 0; | |
268 | ||
269 | DRM_INFO("Radeon Display Connectors\n"); | |
270 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
271 | radeon_connector = to_radeon_connector(connector); | |
272 | DRM_INFO("Connector %d:\n", i); | |
273 | DRM_INFO(" %s\n", connector_names[connector->connector_type]); | |
274 | if (radeon_connector->ddc_bus) | |
275 | DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
276 | radeon_connector->ddc_bus->rec.mask_clk_reg, | |
277 | radeon_connector->ddc_bus->rec.mask_data_reg, | |
278 | radeon_connector->ddc_bus->rec.a_clk_reg, | |
279 | radeon_connector->ddc_bus->rec.a_data_reg, | |
280 | radeon_connector->ddc_bus->rec.put_clk_reg, | |
281 | radeon_connector->ddc_bus->rec.put_data_reg, | |
282 | radeon_connector->ddc_bus->rec.get_clk_reg, | |
283 | radeon_connector->ddc_bus->rec.get_data_reg); | |
284 | DRM_INFO(" Encoders:\n"); | |
285 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
286 | radeon_encoder = to_radeon_encoder(encoder); | |
287 | devices = radeon_encoder->devices & radeon_connector->devices; | |
288 | if (devices) { | |
289 | if (devices & ATOM_DEVICE_CRT1_SUPPORT) | |
290 | DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
291 | if (devices & ATOM_DEVICE_CRT2_SUPPORT) | |
292 | DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
293 | if (devices & ATOM_DEVICE_LCD1_SUPPORT) | |
294 | DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
295 | if (devices & ATOM_DEVICE_DFP1_SUPPORT) | |
296 | DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
297 | if (devices & ATOM_DEVICE_DFP2_SUPPORT) | |
298 | DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
299 | if (devices & ATOM_DEVICE_DFP3_SUPPORT) | |
300 | DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
301 | if (devices & ATOM_DEVICE_DFP4_SUPPORT) | |
302 | DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
303 | if (devices & ATOM_DEVICE_DFP5_SUPPORT) | |
304 | DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
305 | if (devices & ATOM_DEVICE_TV1_SUPPORT) | |
306 | DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
307 | if (devices & ATOM_DEVICE_CV_SUPPORT) | |
308 | DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]); | |
309 | } | |
310 | } | |
311 | i++; | |
312 | } | |
313 | } | |
314 | ||
4ce001ab | 315 | static bool radeon_setup_enc_conn(struct drm_device *dev) |
771fe6b9 JG |
316 | { |
317 | struct radeon_device *rdev = dev->dev_private; | |
318 | struct drm_connector *drm_connector; | |
319 | bool ret = false; | |
320 | ||
321 | if (rdev->bios) { | |
322 | if (rdev->is_atom_bios) { | |
323 | if (rdev->family >= CHIP_R600) | |
324 | ret = radeon_get_atom_connector_info_from_object_table(dev); | |
325 | else | |
326 | ret = radeon_get_atom_connector_info_from_supported_devices_table(dev); | |
327 | } else | |
328 | ret = radeon_get_legacy_connector_info_from_bios(dev); | |
329 | } else { | |
330 | if (!ASIC_IS_AVIVO(rdev)) | |
331 | ret = radeon_get_legacy_connector_info_from_table(dev); | |
332 | } | |
333 | if (ret) { | |
334 | radeon_print_display_setup(dev); | |
335 | list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) | |
336 | radeon_ddc_dump(drm_connector); | |
337 | } | |
338 | ||
339 | return ret; | |
340 | } | |
341 | ||
342 | int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) | |
343 | { | |
344 | struct edid *edid; | |
345 | int ret = 0; | |
346 | ||
347 | if (!radeon_connector->ddc_bus) | |
348 | return -1; | |
4ce001ab DA |
349 | if (!radeon_connector->edid) { |
350 | radeon_i2c_do_lock(radeon_connector, 1); | |
351 | edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); | |
352 | radeon_i2c_do_lock(radeon_connector, 0); | |
353 | } else | |
354 | edid = radeon_connector->edid; | |
355 | ||
771fe6b9 JG |
356 | if (edid) { |
357 | /* update digital bits here */ | |
0454beab | 358 | if (edid->input & DRM_EDID_INPUT_DIGITAL) |
771fe6b9 JG |
359 | radeon_connector->use_digital = 1; |
360 | else | |
361 | radeon_connector->use_digital = 0; | |
362 | drm_mode_connector_update_edid_property(&radeon_connector->base, edid); | |
363 | ret = drm_add_edid_modes(&radeon_connector->base, edid); | |
364 | kfree(edid); | |
365 | return ret; | |
366 | } | |
367 | drm_mode_connector_update_edid_property(&radeon_connector->base, NULL); | |
42dea5dd | 368 | return 0; |
771fe6b9 JG |
369 | } |
370 | ||
371 | static int radeon_ddc_dump(struct drm_connector *connector) | |
372 | { | |
373 | struct edid *edid; | |
374 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
375 | int ret = 0; | |
376 | ||
377 | if (!radeon_connector->ddc_bus) | |
378 | return -1; | |
379 | radeon_i2c_do_lock(radeon_connector, 1); | |
380 | edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter); | |
381 | radeon_i2c_do_lock(radeon_connector, 0); | |
382 | if (edid) { | |
383 | kfree(edid); | |
384 | } | |
385 | return ret; | |
386 | } | |
387 | ||
388 | static inline uint32_t radeon_div(uint64_t n, uint32_t d) | |
389 | { | |
390 | uint64_t mod; | |
391 | ||
392 | n += d / 2; | |
393 | ||
394 | mod = do_div(n, d); | |
395 | return n; | |
396 | } | |
397 | ||
398 | void radeon_compute_pll(struct radeon_pll *pll, | |
399 | uint64_t freq, | |
400 | uint32_t *dot_clock_p, | |
401 | uint32_t *fb_div_p, | |
402 | uint32_t *frac_fb_div_p, | |
403 | uint32_t *ref_div_p, | |
404 | uint32_t *post_div_p, | |
405 | int flags) | |
406 | { | |
407 | uint32_t min_ref_div = pll->min_ref_div; | |
408 | uint32_t max_ref_div = pll->max_ref_div; | |
409 | uint32_t min_fractional_feed_div = 0; | |
410 | uint32_t max_fractional_feed_div = 0; | |
411 | uint32_t best_vco = pll->best_vco; | |
412 | uint32_t best_post_div = 1; | |
413 | uint32_t best_ref_div = 1; | |
414 | uint32_t best_feedback_div = 1; | |
415 | uint32_t best_frac_feedback_div = 0; | |
416 | uint32_t best_freq = -1; | |
417 | uint32_t best_error = 0xffffffff; | |
418 | uint32_t best_vco_diff = 1; | |
419 | uint32_t post_div; | |
420 | ||
421 | DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div); | |
422 | freq = freq * 1000; | |
423 | ||
424 | if (flags & RADEON_PLL_USE_REF_DIV) | |
425 | min_ref_div = max_ref_div = pll->reference_div; | |
426 | else { | |
427 | while (min_ref_div < max_ref_div-1) { | |
428 | uint32_t mid = (min_ref_div + max_ref_div) / 2; | |
429 | uint32_t pll_in = pll->reference_freq / mid; | |
430 | if (pll_in < pll->pll_in_min) | |
431 | max_ref_div = mid; | |
432 | else if (pll_in > pll->pll_in_max) | |
433 | min_ref_div = mid; | |
434 | else | |
435 | break; | |
436 | } | |
437 | } | |
438 | ||
439 | if (flags & RADEON_PLL_USE_FRAC_FB_DIV) { | |
440 | min_fractional_feed_div = pll->min_frac_feedback_div; | |
441 | max_fractional_feed_div = pll->max_frac_feedback_div; | |
442 | } | |
443 | ||
444 | for (post_div = pll->min_post_div; post_div <= pll->max_post_div; ++post_div) { | |
445 | uint32_t ref_div; | |
446 | ||
447 | if ((flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) | |
448 | continue; | |
449 | ||
450 | /* legacy radeons only have a few post_divs */ | |
451 | if (flags & RADEON_PLL_LEGACY) { | |
452 | if ((post_div == 5) || | |
453 | (post_div == 7) || | |
454 | (post_div == 9) || | |
455 | (post_div == 10) || | |
456 | (post_div == 11) || | |
457 | (post_div == 13) || | |
458 | (post_div == 14) || | |
459 | (post_div == 15)) | |
460 | continue; | |
461 | } | |
462 | ||
463 | for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) { | |
464 | uint32_t feedback_div, current_freq = 0, error, vco_diff; | |
465 | uint32_t pll_in = pll->reference_freq / ref_div; | |
466 | uint32_t min_feed_div = pll->min_feedback_div; | |
467 | uint32_t max_feed_div = pll->max_feedback_div + 1; | |
468 | ||
469 | if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max) | |
470 | continue; | |
471 | ||
472 | while (min_feed_div < max_feed_div) { | |
473 | uint32_t vco; | |
474 | uint32_t min_frac_feed_div = min_fractional_feed_div; | |
475 | uint32_t max_frac_feed_div = max_fractional_feed_div + 1; | |
476 | uint32_t frac_feedback_div; | |
477 | uint64_t tmp; | |
478 | ||
479 | feedback_div = (min_feed_div + max_feed_div) / 2; | |
480 | ||
481 | tmp = (uint64_t)pll->reference_freq * feedback_div; | |
482 | vco = radeon_div(tmp, ref_div); | |
483 | ||
484 | if (vco < pll->pll_out_min) { | |
485 | min_feed_div = feedback_div + 1; | |
486 | continue; | |
487 | } else if (vco > pll->pll_out_max) { | |
488 | max_feed_div = feedback_div; | |
489 | continue; | |
490 | } | |
491 | ||
492 | while (min_frac_feed_div < max_frac_feed_div) { | |
493 | frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2; | |
494 | tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div; | |
495 | tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div; | |
496 | current_freq = radeon_div(tmp, ref_div * post_div); | |
497 | ||
d0e275a9 AD |
498 | if (flags & RADEON_PLL_PREFER_CLOSEST_LOWER) { |
499 | error = freq - current_freq; | |
500 | error = error < 0 ? 0xffffffff : error; | |
501 | } else | |
502 | error = abs(current_freq - freq); | |
771fe6b9 JG |
503 | vco_diff = abs(vco - best_vco); |
504 | ||
505 | if ((best_vco == 0 && error < best_error) || | |
506 | (best_vco != 0 && | |
507 | (error < best_error - 100 || | |
508 | (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) { | |
509 | best_post_div = post_div; | |
510 | best_ref_div = ref_div; | |
511 | best_feedback_div = feedback_div; | |
512 | best_frac_feedback_div = frac_feedback_div; | |
513 | best_freq = current_freq; | |
514 | best_error = error; | |
515 | best_vco_diff = vco_diff; | |
516 | } else if (current_freq == freq) { | |
517 | if (best_freq == -1) { | |
518 | best_post_div = post_div; | |
519 | best_ref_div = ref_div; | |
520 | best_feedback_div = feedback_div; | |
521 | best_frac_feedback_div = frac_feedback_div; | |
522 | best_freq = current_freq; | |
523 | best_error = error; | |
524 | best_vco_diff = vco_diff; | |
525 | } else if (((flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) || | |
526 | ((flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) || | |
527 | ((flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) || | |
528 | ((flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) || | |
529 | ((flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) || | |
530 | ((flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) { | |
531 | best_post_div = post_div; | |
532 | best_ref_div = ref_div; | |
533 | best_feedback_div = feedback_div; | |
534 | best_frac_feedback_div = frac_feedback_div; | |
535 | best_freq = current_freq; | |
536 | best_error = error; | |
537 | best_vco_diff = vco_diff; | |
538 | } | |
539 | } | |
540 | if (current_freq < freq) | |
541 | min_frac_feed_div = frac_feedback_div + 1; | |
542 | else | |
543 | max_frac_feed_div = frac_feedback_div; | |
544 | } | |
545 | if (current_freq < freq) | |
546 | min_feed_div = feedback_div + 1; | |
547 | else | |
548 | max_feed_div = feedback_div; | |
549 | } | |
550 | } | |
551 | } | |
552 | ||
553 | *dot_clock_p = best_freq / 10000; | |
554 | *fb_div_p = best_feedback_div; | |
555 | *frac_fb_div_p = best_frac_feedback_div; | |
556 | *ref_div_p = best_ref_div; | |
557 | *post_div_p = best_post_div; | |
558 | } | |
559 | ||
560 | static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
561 | { | |
562 | struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); | |
563 | struct drm_device *dev = fb->dev; | |
564 | ||
565 | if (fb->fbdev) | |
566 | radeonfb_remove(dev, fb); | |
567 | ||
568 | if (radeon_fb->obj) { | |
569 | radeon_gem_object_unpin(radeon_fb->obj); | |
570 | mutex_lock(&dev->struct_mutex); | |
571 | drm_gem_object_unreference(radeon_fb->obj); | |
572 | mutex_unlock(&dev->struct_mutex); | |
573 | } | |
574 | drm_framebuffer_cleanup(fb); | |
575 | kfree(radeon_fb); | |
576 | } | |
577 | ||
578 | static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
579 | struct drm_file *file_priv, | |
580 | unsigned int *handle) | |
581 | { | |
582 | struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); | |
583 | ||
584 | return drm_gem_handle_create(file_priv, radeon_fb->obj, handle); | |
585 | } | |
586 | ||
587 | static const struct drm_framebuffer_funcs radeon_fb_funcs = { | |
588 | .destroy = radeon_user_framebuffer_destroy, | |
589 | .create_handle = radeon_user_framebuffer_create_handle, | |
590 | }; | |
591 | ||
592 | struct drm_framebuffer * | |
593 | radeon_framebuffer_create(struct drm_device *dev, | |
594 | struct drm_mode_fb_cmd *mode_cmd, | |
595 | struct drm_gem_object *obj) | |
596 | { | |
597 | struct radeon_framebuffer *radeon_fb; | |
598 | ||
599 | radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); | |
600 | if (radeon_fb == NULL) { | |
601 | return NULL; | |
602 | } | |
603 | drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs); | |
604 | drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd); | |
605 | radeon_fb->obj = obj; | |
606 | return &radeon_fb->base; | |
607 | } | |
608 | ||
609 | static struct drm_framebuffer * | |
610 | radeon_user_framebuffer_create(struct drm_device *dev, | |
611 | struct drm_file *file_priv, | |
612 | struct drm_mode_fb_cmd *mode_cmd) | |
613 | { | |
614 | struct drm_gem_object *obj; | |
615 | ||
616 | obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle); | |
617 | ||
618 | return radeon_framebuffer_create(dev, mode_cmd, obj); | |
619 | } | |
620 | ||
621 | static const struct drm_mode_config_funcs radeon_mode_funcs = { | |
622 | .fb_create = radeon_user_framebuffer_create, | |
623 | .fb_changed = radeonfb_probe, | |
624 | }; | |
625 | ||
445282db DA |
626 | struct drm_prop_enum_list { |
627 | int type; | |
628 | char *name; | |
629 | }; | |
630 | ||
631 | static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] = | |
632 | { { 0, "driver" }, | |
633 | { 1, "bios" }, | |
634 | }; | |
635 | ||
636 | static struct drm_prop_enum_list radeon_tv_std_enum_list[] = | |
637 | { { TV_STD_NTSC, "ntsc" }, | |
638 | { TV_STD_PAL, "pal" }, | |
639 | { TV_STD_PAL_M, "pal-m" }, | |
640 | { TV_STD_PAL_60, "pal-60" }, | |
641 | { TV_STD_NTSC_J, "ntsc-j" }, | |
642 | { TV_STD_SCART_PAL, "scart-pal" }, | |
643 | { TV_STD_PAL_CN, "pal-cn" }, | |
644 | { TV_STD_SECAM, "secam" }, | |
645 | }; | |
646 | ||
647 | int radeon_modeset_create_props(struct radeon_device *rdev) | |
648 | { | |
649 | int i, sz; | |
650 | ||
651 | if (rdev->is_atom_bios) { | |
652 | rdev->mode_info.coherent_mode_property = | |
653 | drm_property_create(rdev->ddev, | |
654 | DRM_MODE_PROP_RANGE, | |
655 | "coherent", 2); | |
656 | if (!rdev->mode_info.coherent_mode_property) | |
657 | return -ENOMEM; | |
658 | ||
659 | rdev->mode_info.coherent_mode_property->values[0] = 0; | |
660 | rdev->mode_info.coherent_mode_property->values[0] = 1; | |
661 | } | |
662 | ||
663 | if (!ASIC_IS_AVIVO(rdev)) { | |
664 | sz = ARRAY_SIZE(radeon_tmds_pll_enum_list); | |
665 | rdev->mode_info.tmds_pll_property = | |
666 | drm_property_create(rdev->ddev, | |
667 | DRM_MODE_PROP_ENUM, | |
668 | "tmds_pll", sz); | |
669 | for (i = 0; i < sz; i++) { | |
670 | drm_property_add_enum(rdev->mode_info.tmds_pll_property, | |
671 | i, | |
672 | radeon_tmds_pll_enum_list[i].type, | |
673 | radeon_tmds_pll_enum_list[i].name); | |
674 | } | |
675 | } | |
676 | ||
677 | rdev->mode_info.load_detect_property = | |
678 | drm_property_create(rdev->ddev, | |
679 | DRM_MODE_PROP_RANGE, | |
680 | "load detection", 2); | |
681 | if (!rdev->mode_info.load_detect_property) | |
682 | return -ENOMEM; | |
683 | rdev->mode_info.load_detect_property->values[0] = 0; | |
684 | rdev->mode_info.load_detect_property->values[0] = 1; | |
685 | ||
686 | drm_mode_create_scaling_mode_property(rdev->ddev); | |
687 | ||
688 | sz = ARRAY_SIZE(radeon_tv_std_enum_list); | |
689 | rdev->mode_info.tv_std_property = | |
690 | drm_property_create(rdev->ddev, | |
691 | DRM_MODE_PROP_ENUM, | |
692 | "tv standard", sz); | |
693 | for (i = 0; i < sz; i++) { | |
694 | drm_property_add_enum(rdev->mode_info.tv_std_property, | |
695 | i, | |
696 | radeon_tv_std_enum_list[i].type, | |
697 | radeon_tv_std_enum_list[i].name); | |
698 | } | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
771fe6b9 JG |
703 | int radeon_modeset_init(struct radeon_device *rdev) |
704 | { | |
705 | int num_crtc = 2, i; | |
706 | int ret; | |
707 | ||
708 | drm_mode_config_init(rdev->ddev); | |
709 | rdev->mode_info.mode_config_initialized = true; | |
710 | ||
711 | rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs; | |
712 | ||
713 | if (ASIC_IS_AVIVO(rdev)) { | |
714 | rdev->ddev->mode_config.max_width = 8192; | |
715 | rdev->ddev->mode_config.max_height = 8192; | |
716 | } else { | |
717 | rdev->ddev->mode_config.max_width = 4096; | |
718 | rdev->ddev->mode_config.max_height = 4096; | |
719 | } | |
720 | ||
721 | rdev->ddev->mode_config.fb_base = rdev->mc.aper_base; | |
722 | ||
445282db DA |
723 | ret = radeon_modeset_create_props(rdev); |
724 | if (ret) { | |
725 | return ret; | |
726 | } | |
dfee5614 DA |
727 | |
728 | if (rdev->flags & RADEON_SINGLE_CRTC) | |
729 | num_crtc = 1; | |
730 | ||
731 | /* allocate crtcs */ | |
771fe6b9 JG |
732 | for (i = 0; i < num_crtc; i++) { |
733 | radeon_crtc_init(rdev->ddev, i); | |
734 | } | |
735 | ||
736 | /* okay we should have all the bios connectors */ | |
737 | ret = radeon_setup_enc_conn(rdev->ddev); | |
738 | if (!ret) { | |
739 | return ret; | |
740 | } | |
741 | drm_helper_initial_config(rdev->ddev); | |
742 | return 0; | |
743 | } | |
744 | ||
745 | void radeon_modeset_fini(struct radeon_device *rdev) | |
746 | { | |
747 | if (rdev->mode_info.mode_config_initialized) { | |
748 | drm_mode_config_cleanup(rdev->ddev); | |
749 | rdev->mode_info.mode_config_initialized = false; | |
750 | } | |
751 | } | |
752 | ||
c93bb85b JG |
753 | bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, |
754 | struct drm_display_mode *mode, | |
755 | struct drm_display_mode *adjusted_mode) | |
771fe6b9 | 756 | { |
c93bb85b JG |
757 | struct drm_device *dev = crtc->dev; |
758 | struct drm_encoder *encoder; | |
759 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
760 | struct radeon_encoder *radeon_encoder; | |
761 | bool first = true; | |
771fe6b9 | 762 | |
c93bb85b JG |
763 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
764 | radeon_encoder = to_radeon_encoder(encoder); | |
765 | if (encoder->crtc != crtc) | |
766 | continue; | |
767 | if (first) { | |
768 | radeon_crtc->rmx_type = radeon_encoder->rmx_type; | |
c93bb85b JG |
769 | memcpy(&radeon_crtc->native_mode, |
770 | &radeon_encoder->native_mode, | |
771 | sizeof(struct radeon_native_mode)); | |
772 | first = false; | |
773 | } else { | |
774 | if (radeon_crtc->rmx_type != radeon_encoder->rmx_type) { | |
775 | /* WARNING: Right now this can't happen but | |
776 | * in the future we need to check that scaling | |
777 | * are consistent accross different encoder | |
778 | * (ie all encoder can work with the same | |
779 | * scaling). | |
780 | */ | |
781 | DRM_ERROR("Scaling not consistent accross encoder.\n"); | |
782 | return false; | |
783 | } | |
771fe6b9 JG |
784 | } |
785 | } | |
c93bb85b JG |
786 | if (radeon_crtc->rmx_type != RMX_OFF) { |
787 | fixed20_12 a, b; | |
788 | a.full = rfixed_const(crtc->mode.vdisplay); | |
789 | b.full = rfixed_const(radeon_crtc->native_mode.panel_xres); | |
790 | radeon_crtc->vsc.full = rfixed_div(a, b); | |
791 | a.full = rfixed_const(crtc->mode.hdisplay); | |
792 | b.full = rfixed_const(radeon_crtc->native_mode.panel_yres); | |
793 | radeon_crtc->hsc.full = rfixed_div(a, b); | |
771fe6b9 | 794 | } else { |
c93bb85b JG |
795 | radeon_crtc->vsc.full = rfixed_const(1); |
796 | radeon_crtc->hsc.full = rfixed_const(1); | |
771fe6b9 | 797 | } |
c93bb85b | 798 | return true; |
771fe6b9 | 799 | } |