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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
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 (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
27 | #include <linux/i2c.h> | |
28 | #include "drmP.h" | |
29 | #include "intel_drv.h" | |
30 | #include "i915_drm.h" | |
31 | #include "i915_drv.h" | |
32 | ||
33 | #include "drm_crtc_helper.h" | |
34 | ||
35 | bool intel_pipe_has_type (struct drm_crtc *crtc, int type); | |
36 | ||
37 | typedef struct { | |
38 | /* given values */ | |
39 | int n; | |
40 | int m1, m2; | |
41 | int p1, p2; | |
42 | /* derived values */ | |
43 | int dot; | |
44 | int vco; | |
45 | int m; | |
46 | int p; | |
47 | } intel_clock_t; | |
48 | ||
49 | typedef struct { | |
50 | int min, max; | |
51 | } intel_range_t; | |
52 | ||
53 | typedef struct { | |
54 | int dot_limit; | |
55 | int p2_slow, p2_fast; | |
56 | } intel_p2_t; | |
57 | ||
58 | #define INTEL_P2_NUM 2 | |
d4906093 ML |
59 | typedef struct intel_limit intel_limit_t; |
60 | struct intel_limit { | |
79e53945 JB |
61 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
62 | intel_p2_t p2; | |
d4906093 ML |
63 | bool (* find_pll)(const intel_limit_t *, struct drm_crtc *, |
64 | int, int, intel_clock_t *); | |
65 | }; | |
79e53945 JB |
66 | |
67 | #define I8XX_DOT_MIN 25000 | |
68 | #define I8XX_DOT_MAX 350000 | |
69 | #define I8XX_VCO_MIN 930000 | |
70 | #define I8XX_VCO_MAX 1400000 | |
71 | #define I8XX_N_MIN 3 | |
72 | #define I8XX_N_MAX 16 | |
73 | #define I8XX_M_MIN 96 | |
74 | #define I8XX_M_MAX 140 | |
75 | #define I8XX_M1_MIN 18 | |
76 | #define I8XX_M1_MAX 26 | |
77 | #define I8XX_M2_MIN 6 | |
78 | #define I8XX_M2_MAX 16 | |
79 | #define I8XX_P_MIN 4 | |
80 | #define I8XX_P_MAX 128 | |
81 | #define I8XX_P1_MIN 2 | |
82 | #define I8XX_P1_MAX 33 | |
83 | #define I8XX_P1_LVDS_MIN 1 | |
84 | #define I8XX_P1_LVDS_MAX 6 | |
85 | #define I8XX_P2_SLOW 4 | |
86 | #define I8XX_P2_FAST 2 | |
87 | #define I8XX_P2_LVDS_SLOW 14 | |
88 | #define I8XX_P2_LVDS_FAST 14 /* No fast option */ | |
89 | #define I8XX_P2_SLOW_LIMIT 165000 | |
90 | ||
91 | #define I9XX_DOT_MIN 20000 | |
92 | #define I9XX_DOT_MAX 400000 | |
93 | #define I9XX_VCO_MIN 1400000 | |
94 | #define I9XX_VCO_MAX 2800000 | |
f3cade5c KH |
95 | #define I9XX_N_MIN 1 |
96 | #define I9XX_N_MAX 6 | |
79e53945 JB |
97 | #define I9XX_M_MIN 70 |
98 | #define I9XX_M_MAX 120 | |
99 | #define I9XX_M1_MIN 10 | |
f3cade5c | 100 | #define I9XX_M1_MAX 22 |
79e53945 JB |
101 | #define I9XX_M2_MIN 5 |
102 | #define I9XX_M2_MAX 9 | |
103 | #define I9XX_P_SDVO_DAC_MIN 5 | |
104 | #define I9XX_P_SDVO_DAC_MAX 80 | |
105 | #define I9XX_P_LVDS_MIN 7 | |
106 | #define I9XX_P_LVDS_MAX 98 | |
107 | #define I9XX_P1_MIN 1 | |
108 | #define I9XX_P1_MAX 8 | |
109 | #define I9XX_P2_SDVO_DAC_SLOW 10 | |
110 | #define I9XX_P2_SDVO_DAC_FAST 5 | |
111 | #define I9XX_P2_SDVO_DAC_SLOW_LIMIT 200000 | |
112 | #define I9XX_P2_LVDS_SLOW 14 | |
113 | #define I9XX_P2_LVDS_FAST 7 | |
114 | #define I9XX_P2_LVDS_SLOW_LIMIT 112000 | |
115 | ||
116 | #define INTEL_LIMIT_I8XX_DVO_DAC 0 | |
117 | #define INTEL_LIMIT_I8XX_LVDS 1 | |
118 | #define INTEL_LIMIT_I9XX_SDVO_DAC 2 | |
119 | #define INTEL_LIMIT_I9XX_LVDS 3 | |
044c7c41 ML |
120 | #define INTEL_LIMIT_G4X_SDVO 4 |
121 | #define INTEL_LIMIT_G4X_HDMI_DAC 5 | |
122 | #define INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS 6 | |
123 | #define INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS 7 | |
124 | ||
125 | /*The parameter is for SDVO on G4x platform*/ | |
126 | #define G4X_DOT_SDVO_MIN 25000 | |
127 | #define G4X_DOT_SDVO_MAX 270000 | |
128 | #define G4X_VCO_MIN 1750000 | |
129 | #define G4X_VCO_MAX 3500000 | |
130 | #define G4X_N_SDVO_MIN 1 | |
131 | #define G4X_N_SDVO_MAX 4 | |
132 | #define G4X_M_SDVO_MIN 104 | |
133 | #define G4X_M_SDVO_MAX 138 | |
134 | #define G4X_M1_SDVO_MIN 17 | |
135 | #define G4X_M1_SDVO_MAX 23 | |
136 | #define G4X_M2_SDVO_MIN 5 | |
137 | #define G4X_M2_SDVO_MAX 11 | |
138 | #define G4X_P_SDVO_MIN 10 | |
139 | #define G4X_P_SDVO_MAX 30 | |
140 | #define G4X_P1_SDVO_MIN 1 | |
141 | #define G4X_P1_SDVO_MAX 3 | |
142 | #define G4X_P2_SDVO_SLOW 10 | |
143 | #define G4X_P2_SDVO_FAST 10 | |
144 | #define G4X_P2_SDVO_LIMIT 270000 | |
145 | ||
146 | /*The parameter is for HDMI_DAC on G4x platform*/ | |
147 | #define G4X_DOT_HDMI_DAC_MIN 22000 | |
148 | #define G4X_DOT_HDMI_DAC_MAX 400000 | |
149 | #define G4X_N_HDMI_DAC_MIN 1 | |
150 | #define G4X_N_HDMI_DAC_MAX 4 | |
151 | #define G4X_M_HDMI_DAC_MIN 104 | |
152 | #define G4X_M_HDMI_DAC_MAX 138 | |
153 | #define G4X_M1_HDMI_DAC_MIN 16 | |
154 | #define G4X_M1_HDMI_DAC_MAX 23 | |
155 | #define G4X_M2_HDMI_DAC_MIN 5 | |
156 | #define G4X_M2_HDMI_DAC_MAX 11 | |
157 | #define G4X_P_HDMI_DAC_MIN 5 | |
158 | #define G4X_P_HDMI_DAC_MAX 80 | |
159 | #define G4X_P1_HDMI_DAC_MIN 1 | |
160 | #define G4X_P1_HDMI_DAC_MAX 8 | |
161 | #define G4X_P2_HDMI_DAC_SLOW 10 | |
162 | #define G4X_P2_HDMI_DAC_FAST 5 | |
163 | #define G4X_P2_HDMI_DAC_LIMIT 165000 | |
164 | ||
165 | /*The parameter is for SINGLE_CHANNEL_LVDS on G4x platform*/ | |
166 | #define G4X_DOT_SINGLE_CHANNEL_LVDS_MIN 20000 | |
167 | #define G4X_DOT_SINGLE_CHANNEL_LVDS_MAX 115000 | |
168 | #define G4X_N_SINGLE_CHANNEL_LVDS_MIN 1 | |
169 | #define G4X_N_SINGLE_CHANNEL_LVDS_MAX 3 | |
170 | #define G4X_M_SINGLE_CHANNEL_LVDS_MIN 104 | |
171 | #define G4X_M_SINGLE_CHANNEL_LVDS_MAX 138 | |
172 | #define G4X_M1_SINGLE_CHANNEL_LVDS_MIN 17 | |
173 | #define G4X_M1_SINGLE_CHANNEL_LVDS_MAX 23 | |
174 | #define G4X_M2_SINGLE_CHANNEL_LVDS_MIN 5 | |
175 | #define G4X_M2_SINGLE_CHANNEL_LVDS_MAX 11 | |
176 | #define G4X_P_SINGLE_CHANNEL_LVDS_MIN 28 | |
177 | #define G4X_P_SINGLE_CHANNEL_LVDS_MAX 112 | |
178 | #define G4X_P1_SINGLE_CHANNEL_LVDS_MIN 2 | |
179 | #define G4X_P1_SINGLE_CHANNEL_LVDS_MAX 8 | |
180 | #define G4X_P2_SINGLE_CHANNEL_LVDS_SLOW 14 | |
181 | #define G4X_P2_SINGLE_CHANNEL_LVDS_FAST 14 | |
182 | #define G4X_P2_SINGLE_CHANNEL_LVDS_LIMIT 0 | |
183 | ||
184 | /*The parameter is for DUAL_CHANNEL_LVDS on G4x platform*/ | |
185 | #define G4X_DOT_DUAL_CHANNEL_LVDS_MIN 80000 | |
186 | #define G4X_DOT_DUAL_CHANNEL_LVDS_MAX 224000 | |
187 | #define G4X_N_DUAL_CHANNEL_LVDS_MIN 1 | |
188 | #define G4X_N_DUAL_CHANNEL_LVDS_MAX 3 | |
189 | #define G4X_M_DUAL_CHANNEL_LVDS_MIN 104 | |
190 | #define G4X_M_DUAL_CHANNEL_LVDS_MAX 138 | |
191 | #define G4X_M1_DUAL_CHANNEL_LVDS_MIN 17 | |
192 | #define G4X_M1_DUAL_CHANNEL_LVDS_MAX 23 | |
193 | #define G4X_M2_DUAL_CHANNEL_LVDS_MIN 5 | |
194 | #define G4X_M2_DUAL_CHANNEL_LVDS_MAX 11 | |
195 | #define G4X_P_DUAL_CHANNEL_LVDS_MIN 14 | |
196 | #define G4X_P_DUAL_CHANNEL_LVDS_MAX 42 | |
197 | #define G4X_P1_DUAL_CHANNEL_LVDS_MIN 2 | |
198 | #define G4X_P1_DUAL_CHANNEL_LVDS_MAX 6 | |
199 | #define G4X_P2_DUAL_CHANNEL_LVDS_SLOW 7 | |
200 | #define G4X_P2_DUAL_CHANNEL_LVDS_FAST 7 | |
201 | #define G4X_P2_DUAL_CHANNEL_LVDS_LIMIT 0 | |
202 | ||
d4906093 ML |
203 | static bool |
204 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
205 | int target, int refclk, intel_clock_t *best_clock); | |
206 | static bool | |
207 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
208 | int target, int refclk, intel_clock_t *best_clock); | |
79e53945 JB |
209 | |
210 | static const intel_limit_t intel_limits[] = { | |
211 | { /* INTEL_LIMIT_I8XX_DVO_DAC */ | |
212 | .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX }, | |
213 | .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX }, | |
214 | .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX }, | |
215 | .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX }, | |
216 | .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX }, | |
217 | .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX }, | |
218 | .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX }, | |
219 | .p1 = { .min = I8XX_P1_MIN, .max = I8XX_P1_MAX }, | |
220 | .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, | |
221 | .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST }, | |
d4906093 | 222 | .find_pll = intel_find_best_PLL, |
79e53945 JB |
223 | }, |
224 | { /* INTEL_LIMIT_I8XX_LVDS */ | |
225 | .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX }, | |
226 | .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX }, | |
227 | .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX }, | |
228 | .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX }, | |
229 | .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX }, | |
230 | .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX }, | |
231 | .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX }, | |
232 | .p1 = { .min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX }, | |
233 | .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, | |
234 | .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST }, | |
d4906093 | 235 | .find_pll = intel_find_best_PLL, |
79e53945 JB |
236 | }, |
237 | { /* INTEL_LIMIT_I9XX_SDVO_DAC */ | |
238 | .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX }, | |
239 | .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX }, | |
240 | .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX }, | |
241 | .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX }, | |
242 | .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX }, | |
243 | .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX }, | |
244 | .p = { .min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX }, | |
245 | .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX }, | |
246 | .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, | |
247 | .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST }, | |
d4906093 | 248 | .find_pll = intel_find_best_PLL, |
79e53945 JB |
249 | }, |
250 | { /* INTEL_LIMIT_I9XX_LVDS */ | |
251 | .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX }, | |
252 | .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX }, | |
253 | .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX }, | |
254 | .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX }, | |
255 | .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX }, | |
256 | .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX }, | |
257 | .p = { .min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX }, | |
258 | .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX }, | |
259 | /* The single-channel range is 25-112Mhz, and dual-channel | |
260 | * is 80-224Mhz. Prefer single channel as much as possible. | |
261 | */ | |
262 | .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, | |
263 | .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST }, | |
d4906093 | 264 | .find_pll = intel_find_best_PLL, |
79e53945 | 265 | }, |
044c7c41 ML |
266 | /* below parameter and function is for G4X Chipset Family*/ |
267 | { /* INTEL_LIMIT_G4X_SDVO */ | |
268 | .dot = { .min = G4X_DOT_SDVO_MIN, .max = G4X_DOT_SDVO_MAX }, | |
269 | .vco = { .min = G4X_VCO_MIN, .max = G4X_VCO_MAX}, | |
270 | .n = { .min = G4X_N_SDVO_MIN, .max = G4X_N_SDVO_MAX }, | |
271 | .m = { .min = G4X_M_SDVO_MIN, .max = G4X_M_SDVO_MAX }, | |
272 | .m1 = { .min = G4X_M1_SDVO_MIN, .max = G4X_M1_SDVO_MAX }, | |
273 | .m2 = { .min = G4X_M2_SDVO_MIN, .max = G4X_M2_SDVO_MAX }, | |
274 | .p = { .min = G4X_P_SDVO_MIN, .max = G4X_P_SDVO_MAX }, | |
275 | .p1 = { .min = G4X_P1_SDVO_MIN, .max = G4X_P1_SDVO_MAX}, | |
276 | .p2 = { .dot_limit = G4X_P2_SDVO_LIMIT, | |
277 | .p2_slow = G4X_P2_SDVO_SLOW, | |
278 | .p2_fast = G4X_P2_SDVO_FAST | |
279 | }, | |
d4906093 | 280 | .find_pll = intel_g4x_find_best_PLL, |
044c7c41 ML |
281 | }, |
282 | { /* INTEL_LIMIT_G4X_HDMI_DAC */ | |
283 | .dot = { .min = G4X_DOT_HDMI_DAC_MIN, .max = G4X_DOT_HDMI_DAC_MAX }, | |
284 | .vco = { .min = G4X_VCO_MIN, .max = G4X_VCO_MAX}, | |
285 | .n = { .min = G4X_N_HDMI_DAC_MIN, .max = G4X_N_HDMI_DAC_MAX }, | |
286 | .m = { .min = G4X_M_HDMI_DAC_MIN, .max = G4X_M_HDMI_DAC_MAX }, | |
287 | .m1 = { .min = G4X_M1_HDMI_DAC_MIN, .max = G4X_M1_HDMI_DAC_MAX }, | |
288 | .m2 = { .min = G4X_M2_HDMI_DAC_MIN, .max = G4X_M2_HDMI_DAC_MAX }, | |
289 | .p = { .min = G4X_P_HDMI_DAC_MIN, .max = G4X_P_HDMI_DAC_MAX }, | |
290 | .p1 = { .min = G4X_P1_HDMI_DAC_MIN, .max = G4X_P1_HDMI_DAC_MAX}, | |
291 | .p2 = { .dot_limit = G4X_P2_HDMI_DAC_LIMIT, | |
292 | .p2_slow = G4X_P2_HDMI_DAC_SLOW, | |
293 | .p2_fast = G4X_P2_HDMI_DAC_FAST | |
294 | }, | |
d4906093 | 295 | .find_pll = intel_g4x_find_best_PLL, |
044c7c41 ML |
296 | }, |
297 | { /* INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS */ | |
298 | .dot = { .min = G4X_DOT_SINGLE_CHANNEL_LVDS_MIN, | |
299 | .max = G4X_DOT_SINGLE_CHANNEL_LVDS_MAX }, | |
300 | .vco = { .min = G4X_VCO_MIN, | |
301 | .max = G4X_VCO_MAX }, | |
302 | .n = { .min = G4X_N_SINGLE_CHANNEL_LVDS_MIN, | |
303 | .max = G4X_N_SINGLE_CHANNEL_LVDS_MAX }, | |
304 | .m = { .min = G4X_M_SINGLE_CHANNEL_LVDS_MIN, | |
305 | .max = G4X_M_SINGLE_CHANNEL_LVDS_MAX }, | |
306 | .m1 = { .min = G4X_M1_SINGLE_CHANNEL_LVDS_MIN, | |
307 | .max = G4X_M1_SINGLE_CHANNEL_LVDS_MAX }, | |
308 | .m2 = { .min = G4X_M2_SINGLE_CHANNEL_LVDS_MIN, | |
309 | .max = G4X_M2_SINGLE_CHANNEL_LVDS_MAX }, | |
310 | .p = { .min = G4X_P_SINGLE_CHANNEL_LVDS_MIN, | |
311 | .max = G4X_P_SINGLE_CHANNEL_LVDS_MAX }, | |
312 | .p1 = { .min = G4X_P1_SINGLE_CHANNEL_LVDS_MIN, | |
313 | .max = G4X_P1_SINGLE_CHANNEL_LVDS_MAX }, | |
314 | .p2 = { .dot_limit = G4X_P2_SINGLE_CHANNEL_LVDS_LIMIT, | |
315 | .p2_slow = G4X_P2_SINGLE_CHANNEL_LVDS_SLOW, | |
316 | .p2_fast = G4X_P2_SINGLE_CHANNEL_LVDS_FAST | |
317 | }, | |
d4906093 | 318 | .find_pll = intel_g4x_find_best_PLL, |
044c7c41 ML |
319 | }, |
320 | { /* INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS */ | |
321 | .dot = { .min = G4X_DOT_DUAL_CHANNEL_LVDS_MIN, | |
322 | .max = G4X_DOT_DUAL_CHANNEL_LVDS_MAX }, | |
323 | .vco = { .min = G4X_VCO_MIN, | |
324 | .max = G4X_VCO_MAX }, | |
325 | .n = { .min = G4X_N_DUAL_CHANNEL_LVDS_MIN, | |
326 | .max = G4X_N_DUAL_CHANNEL_LVDS_MAX }, | |
327 | .m = { .min = G4X_M_DUAL_CHANNEL_LVDS_MIN, | |
328 | .max = G4X_M_DUAL_CHANNEL_LVDS_MAX }, | |
329 | .m1 = { .min = G4X_M1_DUAL_CHANNEL_LVDS_MIN, | |
330 | .max = G4X_M1_DUAL_CHANNEL_LVDS_MAX }, | |
331 | .m2 = { .min = G4X_M2_DUAL_CHANNEL_LVDS_MIN, | |
332 | .max = G4X_M2_DUAL_CHANNEL_LVDS_MAX }, | |
333 | .p = { .min = G4X_P_DUAL_CHANNEL_LVDS_MIN, | |
334 | .max = G4X_P_DUAL_CHANNEL_LVDS_MAX }, | |
335 | .p1 = { .min = G4X_P1_DUAL_CHANNEL_LVDS_MIN, | |
336 | .max = G4X_P1_DUAL_CHANNEL_LVDS_MAX }, | |
337 | .p2 = { .dot_limit = G4X_P2_DUAL_CHANNEL_LVDS_LIMIT, | |
338 | .p2_slow = G4X_P2_DUAL_CHANNEL_LVDS_SLOW, | |
339 | .p2_fast = G4X_P2_DUAL_CHANNEL_LVDS_FAST | |
340 | }, | |
d4906093 | 341 | .find_pll = intel_g4x_find_best_PLL, |
044c7c41 | 342 | }, |
79e53945 JB |
343 | }; |
344 | ||
044c7c41 ML |
345 | static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) |
346 | { | |
347 | struct drm_device *dev = crtc->dev; | |
348 | struct drm_i915_private *dev_priv = dev->dev_private; | |
349 | const intel_limit_t *limit; | |
350 | ||
351 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
352 | if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == | |
353 | LVDS_CLKB_POWER_UP) | |
354 | /* LVDS with dual channel */ | |
355 | limit = &intel_limits | |
356 | [INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS]; | |
357 | else | |
358 | /* LVDS with dual channel */ | |
359 | limit = &intel_limits | |
360 | [INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS]; | |
361 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) || | |
362 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { | |
363 | limit = &intel_limits[INTEL_LIMIT_G4X_HDMI_DAC]; | |
364 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { | |
365 | limit = &intel_limits[INTEL_LIMIT_G4X_SDVO]; | |
366 | } else /* The option is for other outputs */ | |
367 | limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC]; | |
368 | ||
369 | return limit; | |
370 | } | |
371 | ||
79e53945 JB |
372 | static const intel_limit_t *intel_limit(struct drm_crtc *crtc) |
373 | { | |
374 | struct drm_device *dev = crtc->dev; | |
375 | const intel_limit_t *limit; | |
376 | ||
044c7c41 ML |
377 | if (IS_G4X(dev)) { |
378 | limit = intel_g4x_limit(crtc); | |
379 | } else if (IS_I9XX(dev)) { | |
79e53945 JB |
380 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
381 | limit = &intel_limits[INTEL_LIMIT_I9XX_LVDS]; | |
382 | else | |
383 | limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC]; | |
384 | } else { | |
385 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) | |
386 | limit = &intel_limits[INTEL_LIMIT_I8XX_LVDS]; | |
387 | else | |
388 | limit = &intel_limits[INTEL_LIMIT_I8XX_DVO_DAC]; | |
389 | } | |
390 | return limit; | |
391 | } | |
392 | ||
a29f5ca3 | 393 | static void intel_clock(int refclk, intel_clock_t *clock) |
79e53945 JB |
394 | { |
395 | clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); | |
396 | clock->p = clock->p1 * clock->p2; | |
397 | clock->vco = refclk * clock->m / (clock->n + 2); | |
398 | clock->dot = clock->vco / clock->p; | |
399 | } | |
400 | ||
79e53945 JB |
401 | /** |
402 | * Returns whether any output on the specified pipe is of the specified type | |
403 | */ | |
404 | bool intel_pipe_has_type (struct drm_crtc *crtc, int type) | |
405 | { | |
406 | struct drm_device *dev = crtc->dev; | |
407 | struct drm_mode_config *mode_config = &dev->mode_config; | |
408 | struct drm_connector *l_entry; | |
409 | ||
410 | list_for_each_entry(l_entry, &mode_config->connector_list, head) { | |
411 | if (l_entry->encoder && | |
412 | l_entry->encoder->crtc == crtc) { | |
413 | struct intel_output *intel_output = to_intel_output(l_entry); | |
414 | if (intel_output->type == type) | |
415 | return true; | |
416 | } | |
417 | } | |
418 | return false; | |
419 | } | |
420 | ||
7c04d1d9 | 421 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
422 | /** |
423 | * Returns whether the given set of divisors are valid for a given refclk with | |
424 | * the given connectors. | |
425 | */ | |
426 | ||
427 | static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock) | |
428 | { | |
429 | const intel_limit_t *limit = intel_limit (crtc); | |
430 | ||
431 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) | |
432 | INTELPllInvalid ("p1 out of range\n"); | |
433 | if (clock->p < limit->p.min || limit->p.max < clock->p) | |
434 | INTELPllInvalid ("p out of range\n"); | |
435 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) | |
436 | INTELPllInvalid ("m2 out of range\n"); | |
437 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) | |
438 | INTELPllInvalid ("m1 out of range\n"); | |
439 | if (clock->m1 <= clock->m2) | |
440 | INTELPllInvalid ("m1 <= m2\n"); | |
441 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
442 | INTELPllInvalid ("m out of range\n"); | |
443 | if (clock->n < limit->n.min || limit->n.max < clock->n) | |
444 | INTELPllInvalid ("n out of range\n"); | |
445 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) | |
446 | INTELPllInvalid ("vco out of range\n"); | |
447 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, | |
448 | * connector, etc., rather than just a single range. | |
449 | */ | |
450 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
451 | INTELPllInvalid ("dot out of range\n"); | |
452 | ||
453 | return true; | |
454 | } | |
455 | ||
d4906093 ML |
456 | static bool |
457 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
458 | int target, int refclk, intel_clock_t *best_clock) | |
459 | ||
79e53945 JB |
460 | { |
461 | struct drm_device *dev = crtc->dev; | |
462 | struct drm_i915_private *dev_priv = dev->dev_private; | |
463 | intel_clock_t clock; | |
79e53945 JB |
464 | int err = target; |
465 | ||
466 | if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && | |
467 | (I915_READ(LVDS) & LVDS_PORT_EN) != 0) { | |
468 | /* | |
469 | * For LVDS, if the panel is on, just rely on its current | |
470 | * settings for dual-channel. We haven't figured out how to | |
471 | * reliably set up different single/dual channel state, if we | |
472 | * even can. | |
473 | */ | |
474 | if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == | |
475 | LVDS_CLKB_POWER_UP) | |
476 | clock.p2 = limit->p2.p2_fast; | |
477 | else | |
478 | clock.p2 = limit->p2.p2_slow; | |
479 | } else { | |
480 | if (target < limit->p2.dot_limit) | |
481 | clock.p2 = limit->p2.p2_slow; | |
482 | else | |
483 | clock.p2 = limit->p2.p2_fast; | |
484 | } | |
485 | ||
486 | memset (best_clock, 0, sizeof (*best_clock)); | |
487 | ||
488 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { | |
489 | for (clock.m2 = limit->m2.min; clock.m2 < clock.m1 && | |
490 | clock.m2 <= limit->m2.max; clock.m2++) { | |
491 | for (clock.n = limit->n.min; clock.n <= limit->n.max; | |
492 | clock.n++) { | |
493 | for (clock.p1 = limit->p1.min; | |
494 | clock.p1 <= limit->p1.max; clock.p1++) { | |
495 | int this_err; | |
496 | ||
a29f5ca3 | 497 | intel_clock(refclk, &clock); |
79e53945 JB |
498 | |
499 | if (!intel_PLL_is_valid(crtc, &clock)) | |
500 | continue; | |
501 | ||
502 | this_err = abs(clock.dot - target); | |
503 | if (this_err < err) { | |
504 | *best_clock = clock; | |
505 | err = this_err; | |
506 | } | |
507 | } | |
508 | } | |
509 | } | |
510 | } | |
511 | ||
512 | return (err != target); | |
513 | } | |
514 | ||
d4906093 ML |
515 | static bool |
516 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
517 | int target, int refclk, intel_clock_t *best_clock) | |
518 | { | |
519 | struct drm_device *dev = crtc->dev; | |
520 | struct drm_i915_private *dev_priv = dev->dev_private; | |
521 | intel_clock_t clock; | |
522 | int max_n; | |
523 | bool found; | |
524 | /* approximately equals target * 0.00488 */ | |
525 | int err_most = (target >> 8) + (target >> 10); | |
526 | found = false; | |
527 | ||
528 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
529 | if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == | |
530 | LVDS_CLKB_POWER_UP) | |
531 | clock.p2 = limit->p2.p2_fast; | |
532 | else | |
533 | clock.p2 = limit->p2.p2_slow; | |
534 | } else { | |
535 | if (target < limit->p2.dot_limit) | |
536 | clock.p2 = limit->p2.p2_slow; | |
537 | else | |
538 | clock.p2 = limit->p2.p2_fast; | |
539 | } | |
540 | ||
541 | memset(best_clock, 0, sizeof(*best_clock)); | |
542 | max_n = limit->n.max; | |
543 | /* based on hardware requriment prefer smaller n to precision */ | |
544 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { | |
545 | /* based on hardware requirment prefere larger m1,m2, p1 */ | |
546 | for (clock.m1 = limit->m1.max; | |
547 | clock.m1 >= limit->m1.min; clock.m1--) { | |
548 | for (clock.m2 = limit->m2.max; | |
549 | clock.m2 >= limit->m2.min; clock.m2--) { | |
550 | for (clock.p1 = limit->p1.max; | |
551 | clock.p1 >= limit->p1.min; clock.p1--) { | |
552 | int this_err; | |
553 | ||
554 | intel_clock(refclk, &clock); | |
555 | if (!intel_PLL_is_valid(crtc, &clock)) | |
556 | continue; | |
557 | this_err = abs(clock.dot - target) ; | |
558 | if (this_err < err_most) { | |
559 | *best_clock = clock; | |
560 | err_most = this_err; | |
561 | max_n = clock.n; | |
562 | found = true; | |
563 | } | |
564 | } | |
565 | } | |
566 | } | |
567 | } | |
568 | ||
569 | return found; | |
570 | } | |
571 | ||
79e53945 JB |
572 | void |
573 | intel_wait_for_vblank(struct drm_device *dev) | |
574 | { | |
575 | /* Wait for 20ms, i.e. one cycle at 50hz. */ | |
576 | udelay(20000); | |
577 | } | |
578 | ||
5c3b82e2 | 579 | static int |
3c4fdcfb KH |
580 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
581 | struct drm_framebuffer *old_fb) | |
79e53945 JB |
582 | { |
583 | struct drm_device *dev = crtc->dev; | |
584 | struct drm_i915_private *dev_priv = dev->dev_private; | |
585 | struct drm_i915_master_private *master_priv; | |
586 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
587 | struct intel_framebuffer *intel_fb; | |
588 | struct drm_i915_gem_object *obj_priv; | |
589 | struct drm_gem_object *obj; | |
590 | int pipe = intel_crtc->pipe; | |
591 | unsigned long Start, Offset; | |
592 | int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR); | |
593 | int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); | |
594 | int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; | |
595 | int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; | |
3c4fdcfb | 596 | u32 dspcntr, alignment; |
5c3b82e2 | 597 | int ret; |
79e53945 JB |
598 | |
599 | /* no fb bound */ | |
600 | if (!crtc->fb) { | |
601 | DRM_DEBUG("No FB bound\n"); | |
5c3b82e2 CW |
602 | return 0; |
603 | } | |
604 | ||
605 | switch (pipe) { | |
606 | case 0: | |
607 | case 1: | |
608 | break; | |
609 | default: | |
610 | DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); | |
611 | return -EINVAL; | |
79e53945 JB |
612 | } |
613 | ||
614 | intel_fb = to_intel_framebuffer(crtc->fb); | |
79e53945 JB |
615 | obj = intel_fb->obj; |
616 | obj_priv = obj->driver_private; | |
617 | ||
3c4fdcfb KH |
618 | switch (obj_priv->tiling_mode) { |
619 | case I915_TILING_NONE: | |
620 | alignment = 64 * 1024; | |
621 | break; | |
622 | case I915_TILING_X: | |
2ebed176 CW |
623 | /* pin() will align the object as required by fence */ |
624 | alignment = 0; | |
3c4fdcfb KH |
625 | break; |
626 | case I915_TILING_Y: | |
627 | /* FIXME: Is this true? */ | |
628 | DRM_ERROR("Y tiled not allowed for scan out buffers\n"); | |
5c3b82e2 | 629 | return -EINVAL; |
3c4fdcfb KH |
630 | default: |
631 | BUG(); | |
632 | } | |
633 | ||
5c3b82e2 CW |
634 | mutex_lock(&dev->struct_mutex); |
635 | ret = i915_gem_object_pin(intel_fb->obj, alignment); | |
636 | if (ret != 0) { | |
637 | mutex_unlock(&dev->struct_mutex); | |
638 | return ret; | |
639 | } | |
79e53945 | 640 | |
5c3b82e2 CW |
641 | ret = i915_gem_object_set_to_gtt_domain(intel_fb->obj, 1); |
642 | if (ret != 0) { | |
643 | i915_gem_object_unpin(intel_fb->obj); | |
644 | mutex_unlock(&dev->struct_mutex); | |
645 | return ret; | |
646 | } | |
79e53945 JB |
647 | |
648 | dspcntr = I915_READ(dspcntr_reg); | |
712531bf JB |
649 | /* Mask out pixel format bits in case we change it */ |
650 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; | |
79e53945 JB |
651 | switch (crtc->fb->bits_per_pixel) { |
652 | case 8: | |
653 | dspcntr |= DISPPLANE_8BPP; | |
654 | break; | |
655 | case 16: | |
656 | if (crtc->fb->depth == 15) | |
657 | dspcntr |= DISPPLANE_15_16BPP; | |
658 | else | |
659 | dspcntr |= DISPPLANE_16BPP; | |
660 | break; | |
661 | case 24: | |
662 | case 32: | |
663 | dspcntr |= DISPPLANE_32BPP_NO_ALPHA; | |
664 | break; | |
665 | default: | |
666 | DRM_ERROR("Unknown color depth\n"); | |
5c3b82e2 CW |
667 | i915_gem_object_unpin(intel_fb->obj); |
668 | mutex_unlock(&dev->struct_mutex); | |
669 | return -EINVAL; | |
79e53945 JB |
670 | } |
671 | I915_WRITE(dspcntr_reg, dspcntr); | |
672 | ||
5c3b82e2 CW |
673 | Start = obj_priv->gtt_offset; |
674 | Offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8); | |
675 | ||
79e53945 | 676 | DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y); |
5c3b82e2 | 677 | I915_WRITE(dspstride, crtc->fb->pitch); |
79e53945 JB |
678 | if (IS_I965G(dev)) { |
679 | I915_WRITE(dspbase, Offset); | |
680 | I915_READ(dspbase); | |
681 | I915_WRITE(dspsurf, Start); | |
682 | I915_READ(dspsurf); | |
683 | } else { | |
684 | I915_WRITE(dspbase, Start + Offset); | |
685 | I915_READ(dspbase); | |
686 | } | |
687 | ||
3c4fdcfb KH |
688 | intel_wait_for_vblank(dev); |
689 | ||
690 | if (old_fb) { | |
691 | intel_fb = to_intel_framebuffer(old_fb); | |
692 | i915_gem_object_unpin(intel_fb->obj); | |
693 | } | |
5c3b82e2 | 694 | mutex_unlock(&dev->struct_mutex); |
79e53945 JB |
695 | |
696 | if (!dev->primary->master) | |
5c3b82e2 | 697 | return 0; |
79e53945 JB |
698 | |
699 | master_priv = dev->primary->master->driver_priv; | |
700 | if (!master_priv->sarea_priv) | |
5c3b82e2 | 701 | return 0; |
79e53945 | 702 | |
5c3b82e2 | 703 | if (pipe) { |
79e53945 JB |
704 | master_priv->sarea_priv->pipeB_x = x; |
705 | master_priv->sarea_priv->pipeB_y = y; | |
5c3b82e2 CW |
706 | } else { |
707 | master_priv->sarea_priv->pipeA_x = x; | |
708 | master_priv->sarea_priv->pipeA_y = y; | |
79e53945 | 709 | } |
5c3b82e2 CW |
710 | |
711 | return 0; | |
79e53945 JB |
712 | } |
713 | ||
714 | ||
715 | ||
716 | /** | |
717 | * Sets the power management mode of the pipe and plane. | |
718 | * | |
719 | * This code should probably grow support for turning the cursor off and back | |
720 | * on appropriately at the same time as we're turning the pipe off/on. | |
721 | */ | |
722 | static void intel_crtc_dpms(struct drm_crtc *crtc, int mode) | |
723 | { | |
724 | struct drm_device *dev = crtc->dev; | |
725 | struct drm_i915_master_private *master_priv; | |
726 | struct drm_i915_private *dev_priv = dev->dev_private; | |
727 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
728 | int pipe = intel_crtc->pipe; | |
729 | int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; | |
730 | int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; | |
731 | int dspbase_reg = (pipe == 0) ? DSPAADDR : DSPBADDR; | |
732 | int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; | |
733 | u32 temp; | |
734 | bool enabled; | |
735 | ||
736 | /* XXX: When our outputs are all unaware of DPMS modes other than off | |
737 | * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. | |
738 | */ | |
739 | switch (mode) { | |
740 | case DRM_MODE_DPMS_ON: | |
741 | case DRM_MODE_DPMS_STANDBY: | |
742 | case DRM_MODE_DPMS_SUSPEND: | |
743 | /* Enable the DPLL */ | |
744 | temp = I915_READ(dpll_reg); | |
745 | if ((temp & DPLL_VCO_ENABLE) == 0) { | |
746 | I915_WRITE(dpll_reg, temp); | |
747 | I915_READ(dpll_reg); | |
748 | /* Wait for the clocks to stabilize. */ | |
749 | udelay(150); | |
750 | I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); | |
751 | I915_READ(dpll_reg); | |
752 | /* Wait for the clocks to stabilize. */ | |
753 | udelay(150); | |
754 | I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); | |
755 | I915_READ(dpll_reg); | |
756 | /* Wait for the clocks to stabilize. */ | |
757 | udelay(150); | |
758 | } | |
759 | ||
760 | /* Enable the pipe */ | |
761 | temp = I915_READ(pipeconf_reg); | |
762 | if ((temp & PIPEACONF_ENABLE) == 0) | |
763 | I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); | |
764 | ||
765 | /* Enable the plane */ | |
766 | temp = I915_READ(dspcntr_reg); | |
767 | if ((temp & DISPLAY_PLANE_ENABLE) == 0) { | |
768 | I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE); | |
769 | /* Flush the plane changes */ | |
770 | I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); | |
771 | } | |
772 | ||
773 | intel_crtc_load_lut(crtc); | |
774 | ||
775 | /* Give the overlay scaler a chance to enable if it's on this pipe */ | |
776 | //intel_crtc_dpms_video(crtc, true); TODO | |
777 | break; | |
778 | case DRM_MODE_DPMS_OFF: | |
779 | /* Give the overlay scaler a chance to disable if it's on this pipe */ | |
780 | //intel_crtc_dpms_video(crtc, FALSE); TODO | |
781 | ||
782 | /* Disable the VGA plane that we never use */ | |
783 | I915_WRITE(VGACNTRL, VGA_DISP_DISABLE); | |
784 | ||
785 | /* Disable display plane */ | |
786 | temp = I915_READ(dspcntr_reg); | |
787 | if ((temp & DISPLAY_PLANE_ENABLE) != 0) { | |
788 | I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE); | |
789 | /* Flush the plane changes */ | |
790 | I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); | |
791 | I915_READ(dspbase_reg); | |
792 | } | |
793 | ||
794 | if (!IS_I9XX(dev)) { | |
795 | /* Wait for vblank for the disable to take effect */ | |
796 | intel_wait_for_vblank(dev); | |
797 | } | |
798 | ||
799 | /* Next, disable display pipes */ | |
800 | temp = I915_READ(pipeconf_reg); | |
801 | if ((temp & PIPEACONF_ENABLE) != 0) { | |
802 | I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); | |
803 | I915_READ(pipeconf_reg); | |
804 | } | |
805 | ||
806 | /* Wait for vblank for the disable to take effect. */ | |
807 | intel_wait_for_vblank(dev); | |
808 | ||
809 | temp = I915_READ(dpll_reg); | |
810 | if ((temp & DPLL_VCO_ENABLE) != 0) { | |
811 | I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); | |
812 | I915_READ(dpll_reg); | |
813 | } | |
814 | ||
815 | /* Wait for the clocks to turn off. */ | |
816 | udelay(150); | |
817 | break; | |
818 | } | |
819 | ||
820 | if (!dev->primary->master) | |
821 | return; | |
822 | ||
823 | master_priv = dev->primary->master->driver_priv; | |
824 | if (!master_priv->sarea_priv) | |
825 | return; | |
826 | ||
827 | enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; | |
828 | ||
829 | switch (pipe) { | |
830 | case 0: | |
831 | master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; | |
832 | master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; | |
833 | break; | |
834 | case 1: | |
835 | master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; | |
836 | master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; | |
837 | break; | |
838 | default: | |
839 | DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); | |
840 | break; | |
841 | } | |
842 | ||
843 | intel_crtc->dpms_mode = mode; | |
844 | } | |
845 | ||
846 | static void intel_crtc_prepare (struct drm_crtc *crtc) | |
847 | { | |
848 | struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; | |
849 | crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); | |
850 | } | |
851 | ||
852 | static void intel_crtc_commit (struct drm_crtc *crtc) | |
853 | { | |
854 | struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; | |
855 | crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); | |
856 | } | |
857 | ||
858 | void intel_encoder_prepare (struct drm_encoder *encoder) | |
859 | { | |
860 | struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; | |
861 | /* lvds has its own version of prepare see intel_lvds_prepare */ | |
862 | encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); | |
863 | } | |
864 | ||
865 | void intel_encoder_commit (struct drm_encoder *encoder) | |
866 | { | |
867 | struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; | |
868 | /* lvds has its own version of commit see intel_lvds_commit */ | |
869 | encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); | |
870 | } | |
871 | ||
872 | static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, | |
873 | struct drm_display_mode *mode, | |
874 | struct drm_display_mode *adjusted_mode) | |
875 | { | |
876 | return true; | |
877 | } | |
878 | ||
879 | ||
880 | /** Returns the core display clock speed for i830 - i945 */ | |
881 | static int intel_get_core_clock_speed(struct drm_device *dev) | |
882 | { | |
883 | ||
884 | /* Core clock values taken from the published datasheets. | |
885 | * The 830 may go up to 166 Mhz, which we should check. | |
886 | */ | |
887 | if (IS_I945G(dev)) | |
888 | return 400000; | |
889 | else if (IS_I915G(dev)) | |
890 | return 333000; | |
891 | else if (IS_I945GM(dev) || IS_845G(dev)) | |
892 | return 200000; | |
893 | else if (IS_I915GM(dev)) { | |
894 | u16 gcfgc = 0; | |
895 | ||
896 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
897 | ||
898 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
899 | return 133000; | |
900 | else { | |
901 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
902 | case GC_DISPLAY_CLOCK_333_MHZ: | |
903 | return 333000; | |
904 | default: | |
905 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
906 | return 190000; | |
907 | } | |
908 | } | |
909 | } else if (IS_I865G(dev)) | |
910 | return 266000; | |
911 | else if (IS_I855(dev)) { | |
912 | u16 hpllcc = 0; | |
913 | /* Assume that the hardware is in the high speed state. This | |
914 | * should be the default. | |
915 | */ | |
916 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
917 | case GC_CLOCK_133_200: | |
918 | case GC_CLOCK_100_200: | |
919 | return 200000; | |
920 | case GC_CLOCK_166_250: | |
921 | return 250000; | |
922 | case GC_CLOCK_100_133: | |
923 | return 133000; | |
924 | } | |
925 | } else /* 852, 830 */ | |
926 | return 133000; | |
927 | ||
928 | return 0; /* Silence gcc warning */ | |
929 | } | |
930 | ||
931 | ||
932 | /** | |
933 | * Return the pipe currently connected to the panel fitter, | |
934 | * or -1 if the panel fitter is not present or not in use | |
935 | */ | |
936 | static int intel_panel_fitter_pipe (struct drm_device *dev) | |
937 | { | |
938 | struct drm_i915_private *dev_priv = dev->dev_private; | |
939 | u32 pfit_control; | |
940 | ||
941 | /* i830 doesn't have a panel fitter */ | |
942 | if (IS_I830(dev)) | |
943 | return -1; | |
944 | ||
945 | pfit_control = I915_READ(PFIT_CONTROL); | |
946 | ||
947 | /* See if the panel fitter is in use */ | |
948 | if ((pfit_control & PFIT_ENABLE) == 0) | |
949 | return -1; | |
950 | ||
951 | /* 965 can place panel fitter on either pipe */ | |
952 | if (IS_I965G(dev)) | |
953 | return (pfit_control >> 29) & 0x3; | |
954 | ||
955 | /* older chips can only use pipe 1 */ | |
956 | return 1; | |
957 | } | |
958 | ||
5c3b82e2 CW |
959 | static int intel_crtc_mode_set(struct drm_crtc *crtc, |
960 | struct drm_display_mode *mode, | |
961 | struct drm_display_mode *adjusted_mode, | |
962 | int x, int y, | |
963 | struct drm_framebuffer *old_fb) | |
79e53945 JB |
964 | { |
965 | struct drm_device *dev = crtc->dev; | |
966 | struct drm_i915_private *dev_priv = dev->dev_private; | |
967 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
968 | int pipe = intel_crtc->pipe; | |
969 | int fp_reg = (pipe == 0) ? FPA0 : FPB0; | |
970 | int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; | |
971 | int dpll_md_reg = (intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD; | |
972 | int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; | |
973 | int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; | |
974 | int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; | |
975 | int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; | |
976 | int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; | |
977 | int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; | |
978 | int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; | |
979 | int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; | |
980 | int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; | |
981 | int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; | |
982 | int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; | |
43565a06 | 983 | int refclk, num_outputs = 0; |
79e53945 JB |
984 | intel_clock_t clock; |
985 | u32 dpll = 0, fp = 0, dspcntr, pipeconf; | |
986 | bool ok, is_sdvo = false, is_dvo = false; | |
987 | bool is_crt = false, is_lvds = false, is_tv = false; | |
988 | struct drm_mode_config *mode_config = &dev->mode_config; | |
989 | struct drm_connector *connector; | |
d4906093 | 990 | const intel_limit_t *limit; |
5c3b82e2 | 991 | int ret; |
79e53945 JB |
992 | |
993 | drm_vblank_pre_modeset(dev, pipe); | |
994 | ||
995 | list_for_each_entry(connector, &mode_config->connector_list, head) { | |
996 | struct intel_output *intel_output = to_intel_output(connector); | |
997 | ||
998 | if (!connector->encoder || connector->encoder->crtc != crtc) | |
999 | continue; | |
1000 | ||
1001 | switch (intel_output->type) { | |
1002 | case INTEL_OUTPUT_LVDS: | |
1003 | is_lvds = true; | |
1004 | break; | |
1005 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 1006 | case INTEL_OUTPUT_HDMI: |
79e53945 | 1007 | is_sdvo = true; |
e2f0ba97 JB |
1008 | if (intel_output->needs_tv_clock) |
1009 | is_tv = true; | |
79e53945 JB |
1010 | break; |
1011 | case INTEL_OUTPUT_DVO: | |
1012 | is_dvo = true; | |
1013 | break; | |
1014 | case INTEL_OUTPUT_TVOUT: | |
1015 | is_tv = true; | |
1016 | break; | |
1017 | case INTEL_OUTPUT_ANALOG: | |
1018 | is_crt = true; | |
1019 | break; | |
1020 | } | |
43565a06 KH |
1021 | |
1022 | num_outputs++; | |
79e53945 JB |
1023 | } |
1024 | ||
43565a06 KH |
1025 | if (is_lvds && dev_priv->lvds_use_ssc && num_outputs < 2) { |
1026 | refclk = dev_priv->lvds_ssc_freq * 1000; | |
1027 | DRM_DEBUG("using SSC reference clock of %d MHz\n", refclk / 1000); | |
1028 | } else if (IS_I9XX(dev)) { | |
79e53945 JB |
1029 | refclk = 96000; |
1030 | } else { | |
1031 | refclk = 48000; | |
1032 | } | |
1033 | ||
d4906093 ML |
1034 | /* |
1035 | * Returns a set of divisors for the desired target clock with the given | |
1036 | * refclk, or FALSE. The returned values represent the clock equation: | |
1037 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
1038 | */ | |
1039 | limit = intel_limit(crtc); | |
1040 | ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, &clock); | |
79e53945 JB |
1041 | if (!ok) { |
1042 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
5c3b82e2 | 1043 | return -EINVAL; |
79e53945 JB |
1044 | } |
1045 | ||
1046 | fp = clock.n << 16 | clock.m1 << 8 | clock.m2; | |
1047 | ||
1048 | dpll = DPLL_VGA_MODE_DIS; | |
1049 | if (IS_I9XX(dev)) { | |
1050 | if (is_lvds) | |
1051 | dpll |= DPLLB_MODE_LVDS; | |
1052 | else | |
1053 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
1054 | if (is_sdvo) { | |
1055 | dpll |= DPLL_DVO_HIGH_SPEED; | |
1056 | if (IS_I945G(dev) || IS_I945GM(dev)) { | |
1057 | int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; | |
1058 | dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | /* compute bitmask from p1 value */ | |
1063 | dpll |= (1 << (clock.p1 - 1)) << 16; | |
1064 | switch (clock.p2) { | |
1065 | case 5: | |
1066 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
1067 | break; | |
1068 | case 7: | |
1069 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
1070 | break; | |
1071 | case 10: | |
1072 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
1073 | break; | |
1074 | case 14: | |
1075 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
1076 | break; | |
1077 | } | |
1078 | if (IS_I965G(dev)) | |
1079 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
1080 | } else { | |
1081 | if (is_lvds) { | |
1082 | dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
1083 | } else { | |
1084 | if (clock.p1 == 2) | |
1085 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
1086 | else | |
1087 | dpll |= (clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
1088 | if (clock.p2 == 4) | |
1089 | dpll |= PLL_P2_DIVIDE_BY_4; | |
1090 | } | |
1091 | } | |
1092 | ||
43565a06 KH |
1093 | if (is_sdvo && is_tv) |
1094 | dpll |= PLL_REF_INPUT_TVCLKINBC; | |
1095 | else if (is_tv) | |
79e53945 | 1096 | /* XXX: just matching BIOS for now */ |
43565a06 | 1097 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ |
79e53945 | 1098 | dpll |= 3; |
43565a06 KH |
1099 | else if (is_lvds && dev_priv->lvds_use_ssc && num_outputs < 2) |
1100 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
79e53945 JB |
1101 | else |
1102 | dpll |= PLL_REF_INPUT_DREFCLK; | |
1103 | ||
1104 | /* setup pipeconf */ | |
1105 | pipeconf = I915_READ(pipeconf_reg); | |
1106 | ||
1107 | /* Set up the display plane register */ | |
1108 | dspcntr = DISPPLANE_GAMMA_ENABLE; | |
1109 | ||
1110 | if (pipe == 0) | |
1111 | dspcntr |= DISPPLANE_SEL_PIPE_A; | |
1112 | else | |
1113 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
1114 | ||
1115 | if (pipe == 0 && !IS_I965G(dev)) { | |
1116 | /* Enable pixel doubling when the dot clock is > 90% of the (display) | |
1117 | * core speed. | |
1118 | * | |
1119 | * XXX: No double-wide on 915GM pipe B. Is that the only reason for the | |
1120 | * pipe == 0 check? | |
1121 | */ | |
1122 | if (mode->clock > intel_get_core_clock_speed(dev) * 9 / 10) | |
1123 | pipeconf |= PIPEACONF_DOUBLE_WIDE; | |
1124 | else | |
1125 | pipeconf &= ~PIPEACONF_DOUBLE_WIDE; | |
1126 | } | |
1127 | ||
1128 | dspcntr |= DISPLAY_PLANE_ENABLE; | |
1129 | pipeconf |= PIPEACONF_ENABLE; | |
1130 | dpll |= DPLL_VCO_ENABLE; | |
1131 | ||
1132 | ||
1133 | /* Disable the panel fitter if it was on our pipe */ | |
1134 | if (intel_panel_fitter_pipe(dev) == pipe) | |
1135 | I915_WRITE(PFIT_CONTROL, 0); | |
1136 | ||
1137 | DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); | |
1138 | drm_mode_debug_printmodeline(mode); | |
1139 | ||
1140 | ||
1141 | if (dpll & DPLL_VCO_ENABLE) { | |
1142 | I915_WRITE(fp_reg, fp); | |
1143 | I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); | |
1144 | I915_READ(dpll_reg); | |
1145 | udelay(150); | |
1146 | } | |
1147 | ||
1148 | /* The LVDS pin pair needs to be on before the DPLLs are enabled. | |
1149 | * This is an exception to the general rule that mode_set doesn't turn | |
1150 | * things on. | |
1151 | */ | |
1152 | if (is_lvds) { | |
1153 | u32 lvds = I915_READ(LVDS); | |
1154 | ||
1155 | lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT; | |
1156 | /* Set the B0-B3 data pairs corresponding to whether we're going to | |
1157 | * set the DPLLs for dual-channel mode or not. | |
1158 | */ | |
1159 | if (clock.p2 == 7) | |
1160 | lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; | |
1161 | else | |
1162 | lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); | |
1163 | ||
1164 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) | |
1165 | * appropriately here, but we need to look more thoroughly into how | |
1166 | * panels behave in the two modes. | |
1167 | */ | |
1168 | ||
1169 | I915_WRITE(LVDS, lvds); | |
1170 | I915_READ(LVDS); | |
1171 | } | |
1172 | ||
1173 | I915_WRITE(fp_reg, fp); | |
1174 | I915_WRITE(dpll_reg, dpll); | |
1175 | I915_READ(dpll_reg); | |
1176 | /* Wait for the clocks to stabilize. */ | |
1177 | udelay(150); | |
1178 | ||
1179 | if (IS_I965G(dev)) { | |
1180 | int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; | |
1181 | I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | | |
1182 | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT)); | |
1183 | } else { | |
1184 | /* write it again -- the BIOS does, after all */ | |
1185 | I915_WRITE(dpll_reg, dpll); | |
1186 | } | |
1187 | I915_READ(dpll_reg); | |
1188 | /* Wait for the clocks to stabilize. */ | |
1189 | udelay(150); | |
1190 | ||
1191 | I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | | |
1192 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
1193 | I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | | |
1194 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
1195 | I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | | |
1196 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
1197 | I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | | |
1198 | ((adjusted_mode->crtc_vtotal - 1) << 16)); | |
1199 | I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | | |
1200 | ((adjusted_mode->crtc_vblank_end - 1) << 16)); | |
1201 | I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | | |
1202 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
1203 | /* pipesrc and dspsize control the size that is scaled from, which should | |
1204 | * always be the user's requested size. | |
1205 | */ | |
1206 | I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); | |
1207 | I915_WRITE(dsppos_reg, 0); | |
1208 | I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); | |
1209 | I915_WRITE(pipeconf_reg, pipeconf); | |
1210 | I915_READ(pipeconf_reg); | |
1211 | ||
1212 | intel_wait_for_vblank(dev); | |
1213 | ||
1214 | I915_WRITE(dspcntr_reg, dspcntr); | |
1215 | ||
1216 | /* Flush the plane changes */ | |
5c3b82e2 CW |
1217 | ret = intel_pipe_set_base(crtc, x, y, old_fb); |
1218 | if (ret != 0) | |
1219 | return ret; | |
79e53945 JB |
1220 | |
1221 | drm_vblank_post_modeset(dev, pipe); | |
5c3b82e2 CW |
1222 | |
1223 | return 0; | |
79e53945 JB |
1224 | } |
1225 | ||
1226 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
1227 | void intel_crtc_load_lut(struct drm_crtc *crtc) | |
1228 | { | |
1229 | struct drm_device *dev = crtc->dev; | |
1230 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1231 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1232 | int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B; | |
1233 | int i; | |
1234 | ||
1235 | /* The clocks have to be on to load the palette. */ | |
1236 | if (!crtc->enabled) | |
1237 | return; | |
1238 | ||
1239 | for (i = 0; i < 256; i++) { | |
1240 | I915_WRITE(palreg + 4 * i, | |
1241 | (intel_crtc->lut_r[i] << 16) | | |
1242 | (intel_crtc->lut_g[i] << 8) | | |
1243 | intel_crtc->lut_b[i]); | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | static int intel_crtc_cursor_set(struct drm_crtc *crtc, | |
1248 | struct drm_file *file_priv, | |
1249 | uint32_t handle, | |
1250 | uint32_t width, uint32_t height) | |
1251 | { | |
1252 | struct drm_device *dev = crtc->dev; | |
1253 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1254 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1255 | struct drm_gem_object *bo; | |
1256 | struct drm_i915_gem_object *obj_priv; | |
1257 | int pipe = intel_crtc->pipe; | |
1258 | uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; | |
1259 | uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; | |
1260 | uint32_t temp; | |
1261 | size_t addr; | |
3f8bc370 | 1262 | int ret; |
79e53945 JB |
1263 | |
1264 | DRM_DEBUG("\n"); | |
1265 | ||
1266 | /* if we want to turn off the cursor ignore width and height */ | |
1267 | if (!handle) { | |
1268 | DRM_DEBUG("cursor off\n"); | |
3f8bc370 KH |
1269 | temp = CURSOR_MODE_DISABLE; |
1270 | addr = 0; | |
1271 | bo = NULL; | |
5004417d | 1272 | mutex_lock(&dev->struct_mutex); |
3f8bc370 | 1273 | goto finish; |
79e53945 JB |
1274 | } |
1275 | ||
1276 | /* Currently we only support 64x64 cursors */ | |
1277 | if (width != 64 || height != 64) { | |
1278 | DRM_ERROR("we currently only support 64x64 cursors\n"); | |
1279 | return -EINVAL; | |
1280 | } | |
1281 | ||
1282 | bo = drm_gem_object_lookup(dev, file_priv, handle); | |
1283 | if (!bo) | |
1284 | return -ENOENT; | |
1285 | ||
1286 | obj_priv = bo->driver_private; | |
1287 | ||
1288 | if (bo->size < width * height * 4) { | |
1289 | DRM_ERROR("buffer is to small\n"); | |
34b8686e DA |
1290 | ret = -ENOMEM; |
1291 | goto fail; | |
79e53945 JB |
1292 | } |
1293 | ||
71acb5eb | 1294 | /* we only need to pin inside GTT if cursor is non-phy */ |
7f9872e0 | 1295 | mutex_lock(&dev->struct_mutex); |
71acb5eb DA |
1296 | if (!dev_priv->cursor_needs_physical) { |
1297 | ret = i915_gem_object_pin(bo, PAGE_SIZE); | |
1298 | if (ret) { | |
1299 | DRM_ERROR("failed to pin cursor bo\n"); | |
7f9872e0 | 1300 | goto fail_locked; |
71acb5eb | 1301 | } |
79e53945 | 1302 | addr = obj_priv->gtt_offset; |
71acb5eb DA |
1303 | } else { |
1304 | ret = i915_gem_attach_phys_object(dev, bo, (pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1); | |
1305 | if (ret) { | |
1306 | DRM_ERROR("failed to attach phys object\n"); | |
7f9872e0 | 1307 | goto fail_locked; |
71acb5eb DA |
1308 | } |
1309 | addr = obj_priv->phys_obj->handle->busaddr; | |
3f8bc370 KH |
1310 | } |
1311 | ||
79e53945 JB |
1312 | temp = 0; |
1313 | /* set the pipe for the cursor */ | |
1314 | temp |= (pipe << 28); | |
1315 | temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; | |
1316 | ||
3f8bc370 | 1317 | finish: |
79e53945 JB |
1318 | I915_WRITE(control, temp); |
1319 | I915_WRITE(base, addr); | |
1320 | ||
3f8bc370 | 1321 | if (intel_crtc->cursor_bo) { |
71acb5eb DA |
1322 | if (dev_priv->cursor_needs_physical) { |
1323 | if (intel_crtc->cursor_bo != bo) | |
1324 | i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo); | |
1325 | } else | |
1326 | i915_gem_object_unpin(intel_crtc->cursor_bo); | |
3f8bc370 KH |
1327 | drm_gem_object_unreference(intel_crtc->cursor_bo); |
1328 | } | |
7f9872e0 | 1329 | mutex_unlock(&dev->struct_mutex); |
3f8bc370 KH |
1330 | |
1331 | intel_crtc->cursor_addr = addr; | |
1332 | intel_crtc->cursor_bo = bo; | |
1333 | ||
79e53945 | 1334 | return 0; |
34b8686e DA |
1335 | fail: |
1336 | mutex_lock(&dev->struct_mutex); | |
7f9872e0 | 1337 | fail_locked: |
34b8686e DA |
1338 | drm_gem_object_unreference(bo); |
1339 | mutex_unlock(&dev->struct_mutex); | |
1340 | return ret; | |
79e53945 JB |
1341 | } |
1342 | ||
1343 | static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) | |
1344 | { | |
1345 | struct drm_device *dev = crtc->dev; | |
1346 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1347 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1348 | int pipe = intel_crtc->pipe; | |
1349 | uint32_t temp = 0; | |
1350 | uint32_t adder; | |
1351 | ||
1352 | if (x < 0) { | |
1353 | temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT); | |
1354 | x = -x; | |
1355 | } | |
1356 | if (y < 0) { | |
1357 | temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT); | |
1358 | y = -y; | |
1359 | } | |
1360 | ||
1361 | temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); | |
1362 | temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); | |
1363 | ||
1364 | adder = intel_crtc->cursor_addr; | |
1365 | I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp); | |
1366 | I915_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder); | |
1367 | ||
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | /** Sets the color ramps on behalf of RandR */ | |
1372 | void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, | |
1373 | u16 blue, int regno) | |
1374 | { | |
1375 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1376 | ||
1377 | intel_crtc->lut_r[regno] = red >> 8; | |
1378 | intel_crtc->lut_g[regno] = green >> 8; | |
1379 | intel_crtc->lut_b[regno] = blue >> 8; | |
1380 | } | |
1381 | ||
1382 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, | |
1383 | u16 *blue, uint32_t size) | |
1384 | { | |
1385 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1386 | int i; | |
1387 | ||
1388 | if (size != 256) | |
1389 | return; | |
1390 | ||
1391 | for (i = 0; i < 256; i++) { | |
1392 | intel_crtc->lut_r[i] = red[i] >> 8; | |
1393 | intel_crtc->lut_g[i] = green[i] >> 8; | |
1394 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
1395 | } | |
1396 | ||
1397 | intel_crtc_load_lut(crtc); | |
1398 | } | |
1399 | ||
1400 | /** | |
1401 | * Get a pipe with a simple mode set on it for doing load-based monitor | |
1402 | * detection. | |
1403 | * | |
1404 | * It will be up to the load-detect code to adjust the pipe as appropriate for | |
1405 | * its requirements. The pipe will be connected to no other outputs. | |
1406 | * | |
1407 | * Currently this code will only succeed if there is a pipe with no outputs | |
1408 | * configured for it. In the future, it could choose to temporarily disable | |
1409 | * some outputs to free up a pipe for its use. | |
1410 | * | |
1411 | * \return crtc, or NULL if no pipes are available. | |
1412 | */ | |
1413 | ||
1414 | /* VESA 640x480x72Hz mode to set on the pipe */ | |
1415 | static struct drm_display_mode load_detect_mode = { | |
1416 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
1417 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
1418 | }; | |
1419 | ||
1420 | struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output, | |
1421 | struct drm_display_mode *mode, | |
1422 | int *dpms_mode) | |
1423 | { | |
1424 | struct intel_crtc *intel_crtc; | |
1425 | struct drm_crtc *possible_crtc; | |
1426 | struct drm_crtc *supported_crtc =NULL; | |
1427 | struct drm_encoder *encoder = &intel_output->enc; | |
1428 | struct drm_crtc *crtc = NULL; | |
1429 | struct drm_device *dev = encoder->dev; | |
1430 | struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; | |
1431 | struct drm_crtc_helper_funcs *crtc_funcs; | |
1432 | int i = -1; | |
1433 | ||
1434 | /* | |
1435 | * Algorithm gets a little messy: | |
1436 | * - if the connector already has an assigned crtc, use it (but make | |
1437 | * sure it's on first) | |
1438 | * - try to find the first unused crtc that can drive this connector, | |
1439 | * and use that if we find one | |
1440 | * - if there are no unused crtcs available, try to use the first | |
1441 | * one we found that supports the connector | |
1442 | */ | |
1443 | ||
1444 | /* See if we already have a CRTC for this connector */ | |
1445 | if (encoder->crtc) { | |
1446 | crtc = encoder->crtc; | |
1447 | /* Make sure the crtc and connector are running */ | |
1448 | intel_crtc = to_intel_crtc(crtc); | |
1449 | *dpms_mode = intel_crtc->dpms_mode; | |
1450 | if (intel_crtc->dpms_mode != DRM_MODE_DPMS_ON) { | |
1451 | crtc_funcs = crtc->helper_private; | |
1452 | crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); | |
1453 | encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); | |
1454 | } | |
1455 | return crtc; | |
1456 | } | |
1457 | ||
1458 | /* Find an unused one (if possible) */ | |
1459 | list_for_each_entry(possible_crtc, &dev->mode_config.crtc_list, head) { | |
1460 | i++; | |
1461 | if (!(encoder->possible_crtcs & (1 << i))) | |
1462 | continue; | |
1463 | if (!possible_crtc->enabled) { | |
1464 | crtc = possible_crtc; | |
1465 | break; | |
1466 | } | |
1467 | if (!supported_crtc) | |
1468 | supported_crtc = possible_crtc; | |
1469 | } | |
1470 | ||
1471 | /* | |
1472 | * If we didn't find an unused CRTC, don't use any. | |
1473 | */ | |
1474 | if (!crtc) { | |
1475 | return NULL; | |
1476 | } | |
1477 | ||
1478 | encoder->crtc = crtc; | |
1479 | intel_output->load_detect_temp = true; | |
1480 | ||
1481 | intel_crtc = to_intel_crtc(crtc); | |
1482 | *dpms_mode = intel_crtc->dpms_mode; | |
1483 | ||
1484 | if (!crtc->enabled) { | |
1485 | if (!mode) | |
1486 | mode = &load_detect_mode; | |
3c4fdcfb | 1487 | drm_crtc_helper_set_mode(crtc, mode, 0, 0, crtc->fb); |
79e53945 JB |
1488 | } else { |
1489 | if (intel_crtc->dpms_mode != DRM_MODE_DPMS_ON) { | |
1490 | crtc_funcs = crtc->helper_private; | |
1491 | crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); | |
1492 | } | |
1493 | ||
1494 | /* Add this connector to the crtc */ | |
1495 | encoder_funcs->mode_set(encoder, &crtc->mode, &crtc->mode); | |
1496 | encoder_funcs->commit(encoder); | |
1497 | } | |
1498 | /* let the connector get through one full cycle before testing */ | |
1499 | intel_wait_for_vblank(dev); | |
1500 | ||
1501 | return crtc; | |
1502 | } | |
1503 | ||
1504 | void intel_release_load_detect_pipe(struct intel_output *intel_output, int dpms_mode) | |
1505 | { | |
1506 | struct drm_encoder *encoder = &intel_output->enc; | |
1507 | struct drm_device *dev = encoder->dev; | |
1508 | struct drm_crtc *crtc = encoder->crtc; | |
1509 | struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; | |
1510 | struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; | |
1511 | ||
1512 | if (intel_output->load_detect_temp) { | |
1513 | encoder->crtc = NULL; | |
1514 | intel_output->load_detect_temp = false; | |
1515 | crtc->enabled = drm_helper_crtc_in_use(crtc); | |
1516 | drm_helper_disable_unused_functions(dev); | |
1517 | } | |
1518 | ||
1519 | /* Switch crtc and output back off if necessary */ | |
1520 | if (crtc->enabled && dpms_mode != DRM_MODE_DPMS_ON) { | |
1521 | if (encoder->crtc == crtc) | |
1522 | encoder_funcs->dpms(encoder, dpms_mode); | |
1523 | crtc_funcs->dpms(crtc, dpms_mode); | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | /* Returns the clock of the currently programmed mode of the given pipe. */ | |
1528 | static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) | |
1529 | { | |
1530 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1531 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1532 | int pipe = intel_crtc->pipe; | |
1533 | u32 dpll = I915_READ((pipe == 0) ? DPLL_A : DPLL_B); | |
1534 | u32 fp; | |
1535 | intel_clock_t clock; | |
1536 | ||
1537 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
1538 | fp = I915_READ((pipe == 0) ? FPA0 : FPB0); | |
1539 | else | |
1540 | fp = I915_READ((pipe == 0) ? FPA1 : FPB1); | |
1541 | ||
1542 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
1543 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
1544 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
1545 | if (IS_I9XX(dev)) { | |
1546 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
1547 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
1548 | ||
1549 | switch (dpll & DPLL_MODE_MASK) { | |
1550 | case DPLLB_MODE_DAC_SERIAL: | |
1551 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
1552 | 5 : 10; | |
1553 | break; | |
1554 | case DPLLB_MODE_LVDS: | |
1555 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
1556 | 7 : 14; | |
1557 | break; | |
1558 | default: | |
1559 | DRM_DEBUG("Unknown DPLL mode %08x in programmed " | |
1560 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); | |
1561 | return 0; | |
1562 | } | |
1563 | ||
1564 | /* XXX: Handle the 100Mhz refclk */ | |
a29f5ca3 | 1565 | intel_clock(96000, &clock); |
79e53945 JB |
1566 | } else { |
1567 | bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN); | |
1568 | ||
1569 | if (is_lvds) { | |
1570 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
1571 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
1572 | clock.p2 = 14; | |
1573 | ||
1574 | if ((dpll & PLL_REF_INPUT_MASK) == | |
1575 | PLLB_REF_INPUT_SPREADSPECTRUMIN) { | |
1576 | /* XXX: might not be 66MHz */ | |
a29f5ca3 | 1577 | intel_clock(66000, &clock); |
79e53945 | 1578 | } else |
a29f5ca3 | 1579 | intel_clock(48000, &clock); |
79e53945 JB |
1580 | } else { |
1581 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
1582 | clock.p1 = 2; | |
1583 | else { | |
1584 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
1585 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
1586 | } | |
1587 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
1588 | clock.p2 = 4; | |
1589 | else | |
1590 | clock.p2 = 2; | |
1591 | ||
a29f5ca3 | 1592 | intel_clock(48000, &clock); |
79e53945 JB |
1593 | } |
1594 | } | |
1595 | ||
1596 | /* XXX: It would be nice to validate the clocks, but we can't reuse | |
1597 | * i830PllIsValid() because it relies on the xf86_config connector | |
1598 | * configuration being accurate, which it isn't necessarily. | |
1599 | */ | |
1600 | ||
1601 | return clock.dot; | |
1602 | } | |
1603 | ||
1604 | /** Returns the currently programmed mode of the given pipe. */ | |
1605 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
1606 | struct drm_crtc *crtc) | |
1607 | { | |
1608 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1609 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1610 | int pipe = intel_crtc->pipe; | |
1611 | struct drm_display_mode *mode; | |
1612 | int htot = I915_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B); | |
1613 | int hsync = I915_READ((pipe == 0) ? HSYNC_A : HSYNC_B); | |
1614 | int vtot = I915_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B); | |
1615 | int vsync = I915_READ((pipe == 0) ? VSYNC_A : VSYNC_B); | |
1616 | ||
1617 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
1618 | if (!mode) | |
1619 | return NULL; | |
1620 | ||
1621 | mode->clock = intel_crtc_clock_get(dev, crtc); | |
1622 | mode->hdisplay = (htot & 0xffff) + 1; | |
1623 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
1624 | mode->hsync_start = (hsync & 0xffff) + 1; | |
1625 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
1626 | mode->vdisplay = (vtot & 0xffff) + 1; | |
1627 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
1628 | mode->vsync_start = (vsync & 0xffff) + 1; | |
1629 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
1630 | ||
1631 | drm_mode_set_name(mode); | |
1632 | drm_mode_set_crtcinfo(mode, 0); | |
1633 | ||
1634 | return mode; | |
1635 | } | |
1636 | ||
1637 | static void intel_crtc_destroy(struct drm_crtc *crtc) | |
1638 | { | |
1639 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1640 | ||
1641 | drm_crtc_cleanup(crtc); | |
1642 | kfree(intel_crtc); | |
1643 | } | |
1644 | ||
1645 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { | |
1646 | .dpms = intel_crtc_dpms, | |
1647 | .mode_fixup = intel_crtc_mode_fixup, | |
1648 | .mode_set = intel_crtc_mode_set, | |
1649 | .mode_set_base = intel_pipe_set_base, | |
1650 | .prepare = intel_crtc_prepare, | |
1651 | .commit = intel_crtc_commit, | |
1652 | }; | |
1653 | ||
1654 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
1655 | .cursor_set = intel_crtc_cursor_set, | |
1656 | .cursor_move = intel_crtc_cursor_move, | |
1657 | .gamma_set = intel_crtc_gamma_set, | |
1658 | .set_config = drm_crtc_helper_set_config, | |
1659 | .destroy = intel_crtc_destroy, | |
1660 | }; | |
1661 | ||
1662 | ||
b358d0a6 | 1663 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 JB |
1664 | { |
1665 | struct intel_crtc *intel_crtc; | |
1666 | int i; | |
1667 | ||
1668 | intel_crtc = kzalloc(sizeof(struct intel_crtc) + (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); | |
1669 | if (intel_crtc == NULL) | |
1670 | return; | |
1671 | ||
1672 | drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs); | |
1673 | ||
1674 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
1675 | intel_crtc->pipe = pipe; | |
1676 | for (i = 0; i < 256; i++) { | |
1677 | intel_crtc->lut_r[i] = i; | |
1678 | intel_crtc->lut_g[i] = i; | |
1679 | intel_crtc->lut_b[i] = i; | |
1680 | } | |
1681 | ||
1682 | intel_crtc->cursor_addr = 0; | |
1683 | intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF; | |
1684 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); | |
1685 | ||
1686 | intel_crtc->mode_set.crtc = &intel_crtc->base; | |
1687 | intel_crtc->mode_set.connectors = (struct drm_connector **)(intel_crtc + 1); | |
1688 | intel_crtc->mode_set.num_connectors = 0; | |
1689 | ||
1690 | if (i915_fbpercrtc) { | |
1691 | ||
1692 | ||
1693 | ||
1694 | } | |
1695 | } | |
1696 | ||
1697 | struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe) | |
1698 | { | |
1699 | struct drm_crtc *crtc = NULL; | |
1700 | ||
1701 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
1702 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1703 | if (intel_crtc->pipe == pipe) | |
1704 | break; | |
1705 | } | |
1706 | return crtc; | |
1707 | } | |
1708 | ||
b358d0a6 | 1709 | static int intel_connector_clones(struct drm_device *dev, int type_mask) |
79e53945 JB |
1710 | { |
1711 | int index_mask = 0; | |
1712 | struct drm_connector *connector; | |
1713 | int entry = 0; | |
1714 | ||
1715 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1716 | struct intel_output *intel_output = to_intel_output(connector); | |
1717 | if (type_mask & (1 << intel_output->type)) | |
1718 | index_mask |= (1 << entry); | |
1719 | entry++; | |
1720 | } | |
1721 | return index_mask; | |
1722 | } | |
1723 | ||
1724 | ||
1725 | static void intel_setup_outputs(struct drm_device *dev) | |
1726 | { | |
725e30ad | 1727 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 JB |
1728 | struct drm_connector *connector; |
1729 | ||
1730 | intel_crt_init(dev); | |
1731 | ||
1732 | /* Set up integrated LVDS */ | |
1733 | if (IS_MOBILE(dev) && !IS_I830(dev)) | |
1734 | intel_lvds_init(dev); | |
1735 | ||
1736 | if (IS_I9XX(dev)) { | |
7d57382e EA |
1737 | int found; |
1738 | ||
725e30ad EA |
1739 | if (I915_READ(SDVOB) & SDVO_DETECTED) { |
1740 | found = intel_sdvo_init(dev, SDVOB); | |
1741 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) | |
1742 | intel_hdmi_init(dev, SDVOB); | |
1743 | } | |
1744 | if (!IS_G4X(dev) || (I915_READ(SDVOB) & SDVO_DETECTED)) { | |
1745 | found = intel_sdvo_init(dev, SDVOC); | |
1746 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) | |
1747 | intel_hdmi_init(dev, SDVOC); | |
1748 | } | |
79e53945 JB |
1749 | } else |
1750 | intel_dvo_init(dev); | |
1751 | ||
1fc45d84 | 1752 | if (IS_I9XX(dev) && IS_MOBILE(dev)) |
79e53945 JB |
1753 | intel_tv_init(dev); |
1754 | ||
1755 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1756 | struct intel_output *intel_output = to_intel_output(connector); | |
1757 | struct drm_encoder *encoder = &intel_output->enc; | |
1758 | int crtc_mask = 0, clone_mask = 0; | |
1759 | ||
1760 | /* valid crtcs */ | |
1761 | switch(intel_output->type) { | |
7d57382e EA |
1762 | case INTEL_OUTPUT_HDMI: |
1763 | crtc_mask = ((1 << 0)| | |
1764 | (1 << 1)); | |
1765 | clone_mask = ((1 << INTEL_OUTPUT_HDMI)); | |
1766 | break; | |
79e53945 JB |
1767 | case INTEL_OUTPUT_DVO: |
1768 | case INTEL_OUTPUT_SDVO: | |
1769 | crtc_mask = ((1 << 0)| | |
1770 | (1 << 1)); | |
1771 | clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | | |
1772 | (1 << INTEL_OUTPUT_DVO) | | |
1773 | (1 << INTEL_OUTPUT_SDVO)); | |
1774 | break; | |
1775 | case INTEL_OUTPUT_ANALOG: | |
1776 | crtc_mask = ((1 << 0)| | |
1777 | (1 << 1)); | |
1778 | clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | | |
1779 | (1 << INTEL_OUTPUT_DVO) | | |
1780 | (1 << INTEL_OUTPUT_SDVO)); | |
1781 | break; | |
1782 | case INTEL_OUTPUT_LVDS: | |
1783 | crtc_mask = (1 << 1); | |
1784 | clone_mask = (1 << INTEL_OUTPUT_LVDS); | |
1785 | break; | |
1786 | case INTEL_OUTPUT_TVOUT: | |
1787 | crtc_mask = ((1 << 0) | | |
1788 | (1 << 1)); | |
1789 | clone_mask = (1 << INTEL_OUTPUT_TVOUT); | |
1790 | break; | |
1791 | } | |
1792 | encoder->possible_crtcs = crtc_mask; | |
1793 | encoder->possible_clones = intel_connector_clones(dev, clone_mask); | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
1798 | { | |
1799 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
1800 | struct drm_device *dev = fb->dev; | |
1801 | ||
1802 | if (fb->fbdev) | |
1803 | intelfb_remove(dev, fb); | |
1804 | ||
1805 | drm_framebuffer_cleanup(fb); | |
1806 | mutex_lock(&dev->struct_mutex); | |
1807 | drm_gem_object_unreference(intel_fb->obj); | |
1808 | mutex_unlock(&dev->struct_mutex); | |
1809 | ||
1810 | kfree(intel_fb); | |
1811 | } | |
1812 | ||
1813 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
1814 | struct drm_file *file_priv, | |
1815 | unsigned int *handle) | |
1816 | { | |
1817 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
1818 | struct drm_gem_object *object = intel_fb->obj; | |
1819 | ||
1820 | return drm_gem_handle_create(file_priv, object, handle); | |
1821 | } | |
1822 | ||
1823 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
1824 | .destroy = intel_user_framebuffer_destroy, | |
1825 | .create_handle = intel_user_framebuffer_create_handle, | |
1826 | }; | |
1827 | ||
1828 | int intel_framebuffer_create(struct drm_device *dev, | |
1829 | struct drm_mode_fb_cmd *mode_cmd, | |
1830 | struct drm_framebuffer **fb, | |
1831 | struct drm_gem_object *obj) | |
1832 | { | |
1833 | struct intel_framebuffer *intel_fb; | |
1834 | int ret; | |
1835 | ||
1836 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
1837 | if (!intel_fb) | |
1838 | return -ENOMEM; | |
1839 | ||
1840 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); | |
1841 | if (ret) { | |
1842 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
1843 | return ret; | |
1844 | } | |
1845 | ||
1846 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); | |
1847 | ||
1848 | intel_fb->obj = obj; | |
1849 | ||
1850 | *fb = &intel_fb->base; | |
1851 | ||
1852 | return 0; | |
1853 | } | |
1854 | ||
1855 | ||
1856 | static struct drm_framebuffer * | |
1857 | intel_user_framebuffer_create(struct drm_device *dev, | |
1858 | struct drm_file *filp, | |
1859 | struct drm_mode_fb_cmd *mode_cmd) | |
1860 | { | |
1861 | struct drm_gem_object *obj; | |
1862 | struct drm_framebuffer *fb; | |
1863 | int ret; | |
1864 | ||
1865 | obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle); | |
1866 | if (!obj) | |
1867 | return NULL; | |
1868 | ||
1869 | ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj); | |
1870 | if (ret) { | |
496818f0 | 1871 | mutex_lock(&dev->struct_mutex); |
79e53945 | 1872 | drm_gem_object_unreference(obj); |
496818f0 | 1873 | mutex_unlock(&dev->struct_mutex); |
79e53945 JB |
1874 | return NULL; |
1875 | } | |
1876 | ||
1877 | return fb; | |
1878 | } | |
1879 | ||
79e53945 | 1880 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 JB |
1881 | .fb_create = intel_user_framebuffer_create, |
1882 | .fb_changed = intelfb_probe, | |
1883 | }; | |
1884 | ||
1885 | void intel_modeset_init(struct drm_device *dev) | |
1886 | { | |
1887 | int num_pipe; | |
1888 | int i; | |
1889 | ||
1890 | drm_mode_config_init(dev); | |
1891 | ||
1892 | dev->mode_config.min_width = 0; | |
1893 | dev->mode_config.min_height = 0; | |
1894 | ||
1895 | dev->mode_config.funcs = (void *)&intel_mode_funcs; | |
1896 | ||
1897 | if (IS_I965G(dev)) { | |
1898 | dev->mode_config.max_width = 8192; | |
1899 | dev->mode_config.max_height = 8192; | |
1900 | } else { | |
1901 | dev->mode_config.max_width = 2048; | |
1902 | dev->mode_config.max_height = 2048; | |
1903 | } | |
1904 | ||
1905 | /* set memory base */ | |
1906 | if (IS_I9XX(dev)) | |
1907 | dev->mode_config.fb_base = pci_resource_start(dev->pdev, 2); | |
1908 | else | |
1909 | dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0); | |
1910 | ||
1911 | if (IS_MOBILE(dev) || IS_I9XX(dev)) | |
1912 | num_pipe = 2; | |
1913 | else | |
1914 | num_pipe = 1; | |
1915 | DRM_DEBUG("%d display pipe%s available.\n", | |
1916 | num_pipe, num_pipe > 1 ? "s" : ""); | |
1917 | ||
1918 | for (i = 0; i < num_pipe; i++) { | |
1919 | intel_crtc_init(dev, i); | |
1920 | } | |
1921 | ||
1922 | intel_setup_outputs(dev); | |
1923 | } | |
1924 | ||
1925 | void intel_modeset_cleanup(struct drm_device *dev) | |
1926 | { | |
1927 | drm_mode_config_cleanup(dev); | |
1928 | } | |
1929 | ||
1930 | ||
1931 | /* current intel driver doesn't take advantage of encoders | |
1932 | always give back the encoder for the connector | |
1933 | */ | |
1934 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) | |
1935 | { | |
1936 | struct intel_output *intel_output = to_intel_output(connector); | |
1937 | ||
1938 | return &intel_output->enc; | |
1939 | } |