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6ee73861 BS |
1 | /* |
2 | * Copyright 2009 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Author: Ben Skeggs | |
23 | */ | |
24 | ||
25 | #include "drmP.h" | |
26 | #include "drm.h" | |
27 | #include "drm_crtc_helper.h" | |
28 | ||
29 | #include "nouveau_drv.h" | |
30 | #include "nouveau_fb.h" | |
31 | #include "nouveau_hw.h" | |
32 | #include "nouveau_encoder.h" | |
33 | #include "nouveau_connector.h" | |
34 | ||
35 | #define MULTIPLE_ENCODERS(e) (e & (e - 1)) | |
36 | ||
37 | static void | |
38 | nv04_display_store_initial_head_owner(struct drm_device *dev) | |
39 | { | |
40 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
41 | ||
42 | if (dev_priv->chipset != 0x11) { | |
43 | dev_priv->crtc_owner = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_44); | |
44 | goto ownerknown; | |
45 | } | |
46 | ||
47 | /* reading CR44 is broken on nv11, so we attempt to infer it */ | |
48 | if (nvReadMC(dev, NV_PBUS_DEBUG_1) & (1 << 28)) /* heads tied, restore both */ | |
49 | dev_priv->crtc_owner = 0x4; | |
50 | else { | |
51 | uint8_t slaved_on_A, slaved_on_B; | |
52 | bool tvA = false; | |
53 | bool tvB = false; | |
54 | ||
55 | NVLockVgaCrtcs(dev, false); | |
56 | ||
57 | slaved_on_B = NVReadVgaCrtc(dev, 1, NV_CIO_CRE_PIXEL_INDEX) & | |
58 | 0x80; | |
59 | if (slaved_on_B) | |
60 | tvB = !(NVReadVgaCrtc(dev, 1, NV_CIO_CRE_LCD__INDEX) & | |
61 | MASK(NV_CIO_CRE_LCD_LCD_SELECT)); | |
62 | ||
63 | slaved_on_A = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX) & | |
64 | 0x80; | |
65 | if (slaved_on_A) | |
66 | tvA = !(NVReadVgaCrtc(dev, 0, NV_CIO_CRE_LCD__INDEX) & | |
67 | MASK(NV_CIO_CRE_LCD_LCD_SELECT)); | |
68 | ||
69 | NVLockVgaCrtcs(dev, true); | |
70 | ||
71 | if (slaved_on_A && !tvA) | |
72 | dev_priv->crtc_owner = 0x0; | |
73 | else if (slaved_on_B && !tvB) | |
74 | dev_priv->crtc_owner = 0x3; | |
75 | else if (slaved_on_A) | |
76 | dev_priv->crtc_owner = 0x0; | |
77 | else if (slaved_on_B) | |
78 | dev_priv->crtc_owner = 0x3; | |
79 | else | |
80 | dev_priv->crtc_owner = 0x0; | |
81 | } | |
82 | ||
83 | ownerknown: | |
84 | NV_INFO(dev, "Initial CRTC_OWNER is %d\n", dev_priv->crtc_owner); | |
85 | ||
86 | /* we need to ensure the heads are not tied henceforth, or reading any | |
87 | * 8 bit reg on head B will fail | |
88 | * setting a single arbitrary head solves that */ | |
89 | NVSetOwner(dev, 0); | |
90 | } | |
91 | ||
92 | int | |
93 | nv04_display_create(struct drm_device *dev) | |
94 | { | |
95 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
96 | struct parsed_dcb *dcb = dev_priv->vbios->dcb; | |
97 | struct drm_encoder *encoder; | |
98 | struct drm_crtc *crtc; | |
99 | uint16_t connector[16] = { 0 }; | |
100 | int i, ret; | |
101 | ||
ef2bb506 | 102 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
103 | |
104 | if (nv_two_heads(dev)) | |
105 | nv04_display_store_initial_head_owner(dev); | |
95f158ea | 106 | nouveau_hw_save_vga_fonts(dev, 1); |
6ee73861 BS |
107 | |
108 | drm_mode_config_init(dev); | |
109 | drm_mode_create_scaling_mode_property(dev); | |
110 | drm_mode_create_dithering_property(dev); | |
111 | ||
112 | dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs; | |
113 | ||
114 | dev->mode_config.min_width = 0; | |
115 | dev->mode_config.min_height = 0; | |
116 | switch (dev_priv->card_type) { | |
117 | case NV_04: | |
118 | dev->mode_config.max_width = 2048; | |
119 | dev->mode_config.max_height = 2048; | |
120 | break; | |
121 | default: | |
122 | dev->mode_config.max_width = 4096; | |
123 | dev->mode_config.max_height = 4096; | |
124 | break; | |
125 | } | |
126 | ||
127 | dev->mode_config.fb_base = dev_priv->fb_phys; | |
128 | ||
129 | nv04_crtc_create(dev, 0); | |
130 | if (nv_two_heads(dev)) | |
131 | nv04_crtc_create(dev, 1); | |
132 | ||
133 | for (i = 0; i < dcb->entries; i++) { | |
134 | struct dcb_entry *dcbent = &dcb->entry[i]; | |
135 | ||
136 | switch (dcbent->type) { | |
137 | case OUTPUT_ANALOG: | |
138 | ret = nv04_dac_create(dev, dcbent); | |
139 | break; | |
140 | case OUTPUT_LVDS: | |
141 | case OUTPUT_TMDS: | |
142 | ret = nv04_dfp_create(dev, dcbent); | |
143 | break; | |
144 | case OUTPUT_TV: | |
145 | if (dcbent->location == DCB_LOC_ON_CHIP) | |
146 | ret = nv17_tv_create(dev, dcbent); | |
147 | else | |
148 | ret = nv04_tv_create(dev, dcbent); | |
149 | break; | |
150 | default: | |
151 | NV_WARN(dev, "DCB type %d not known\n", dcbent->type); | |
152 | continue; | |
153 | } | |
154 | ||
155 | if (ret) | |
156 | continue; | |
157 | ||
158 | connector[dcbent->connector] |= (1 << dcbent->type); | |
159 | } | |
160 | ||
161 | for (i = 0; i < dcb->entries; i++) { | |
162 | struct dcb_entry *dcbent = &dcb->entry[i]; | |
163 | uint16_t encoders; | |
164 | int type; | |
165 | ||
166 | encoders = connector[dcbent->connector]; | |
167 | if (!(encoders & (1 << dcbent->type))) | |
168 | continue; | |
169 | connector[dcbent->connector] = 0; | |
170 | ||
171 | switch (dcbent->type) { | |
172 | case OUTPUT_ANALOG: | |
173 | if (!MULTIPLE_ENCODERS(encoders)) | |
174 | type = DRM_MODE_CONNECTOR_VGA; | |
175 | else | |
176 | type = DRM_MODE_CONNECTOR_DVII; | |
177 | break; | |
178 | case OUTPUT_TMDS: | |
179 | if (!MULTIPLE_ENCODERS(encoders)) | |
180 | type = DRM_MODE_CONNECTOR_DVID; | |
181 | else | |
182 | type = DRM_MODE_CONNECTOR_DVII; | |
183 | break; | |
184 | case OUTPUT_LVDS: | |
185 | type = DRM_MODE_CONNECTOR_LVDS; | |
186 | #if 0 | |
187 | /* don't create i2c adapter when lvds ddc not allowed */ | |
188 | if (dcbent->lvdsconf.use_straps_for_mode || | |
189 | dev_priv->vbios->fp_no_ddc) | |
190 | i2c_index = 0xf; | |
191 | #endif | |
192 | break; | |
193 | case OUTPUT_TV: | |
194 | type = DRM_MODE_CONNECTOR_TV; | |
195 | break; | |
196 | default: | |
197 | type = DRM_MODE_CONNECTOR_Unknown; | |
198 | continue; | |
199 | } | |
200 | ||
201 | nouveau_connector_create(dev, dcbent->connector, type); | |
202 | } | |
203 | ||
204 | /* Save previous state */ | |
205 | NVLockVgaCrtcs(dev, false); | |
206 | ||
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207 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
208 | crtc->funcs->save(crtc); | |
209 | ||
210 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
211 | struct drm_encoder_helper_funcs *func = encoder->helper_private; | |
212 | ||
213 | func->save(encoder); | |
214 | } | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | void | |
220 | nv04_display_destroy(struct drm_device *dev) | |
221 | { | |
222 | struct drm_encoder *encoder; | |
223 | struct drm_crtc *crtc; | |
224 | ||
ef2bb506 | 225 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
226 | |
227 | /* Turn every CRTC off. */ | |
228 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
229 | struct drm_mode_set modeset = { | |
230 | .crtc = crtc, | |
231 | }; | |
232 | ||
233 | crtc->funcs->set_config(&modeset); | |
234 | } | |
235 | ||
236 | /* Restore state */ | |
237 | NVLockVgaCrtcs(dev, false); | |
238 | ||
239 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
240 | struct drm_encoder_helper_funcs *func = encoder->helper_private; | |
241 | ||
242 | func->restore(encoder); | |
243 | } | |
244 | ||
245 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
246 | crtc->funcs->restore(crtc); | |
247 | ||
6ee73861 | 248 | drm_mode_config_cleanup(dev); |
95f158ea FJ |
249 | |
250 | nouveau_hw_save_vga_fonts(dev, 0); | |
6ee73861 BS |
251 | } |
252 | ||
253 | void | |
254 | nv04_display_restore(struct drm_device *dev) | |
255 | { | |
256 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
257 | struct drm_encoder *encoder; | |
258 | struct drm_crtc *crtc; | |
259 | ||
260 | NVLockVgaCrtcs(dev, false); | |
261 | ||
262 | /* meh.. modeset apparently doesn't setup all the regs and depends | |
263 | * on pre-existing state, for now load the state of the card *before* | |
264 | * nouveau was loaded, and then do a modeset. | |
265 | * | |
266 | * best thing to do probably is to make save/restore routines not | |
267 | * save/restore "pre-load" state, but more general so we can save | |
268 | * on suspend too. | |
269 | */ | |
270 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
271 | struct drm_encoder_helper_funcs *func = encoder->helper_private; | |
272 | ||
273 | func->restore(encoder); | |
274 | } | |
275 | ||
276 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
277 | crtc->funcs->restore(crtc); | |
278 | ||
279 | if (nv_two_heads(dev)) { | |
280 | NV_INFO(dev, "Restoring CRTC_OWNER to %d.\n", | |
281 | dev_priv->crtc_owner); | |
282 | NVSetOwner(dev, dev_priv->crtc_owner); | |
283 | } | |
284 | ||
285 | NVLockVgaCrtcs(dev, true); | |
286 | } | |
287 |