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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 <drm/drm_crtc_helper.h>
26
27#include "nouveau_drv.h"
28#include "nouveau_reg.h"
29#include "hw.h"
30#include "nouveau_encoder.h"
31#include "nouveau_connector.h"
32#include "nouveau_bo.h"
33#include "nouveau_gem.h"
34#include "nouveau_chan.h"
35
36#include <nvif/if0004.h>
37
38struct nouveau_connector *
39nv04_encoder_get_connector(struct nouveau_encoder *encoder)
40{
41 struct drm_device *dev = to_drm_encoder(encoder)->dev;
42 struct drm_connector *connector;
43 struct drm_connector_list_iter conn_iter;
44 struct nouveau_connector *nv_connector = NULL;
45
46 drm_connector_list_iter_begin(dev, &conn_iter);
47 drm_for_each_connector_iter(connector, &conn_iter) {
48 if (connector->encoder == to_drm_encoder(encoder))
49 nv_connector = nouveau_connector(connector);
50 }
51 drm_connector_list_iter_end(&conn_iter);
52
53 return nv_connector;
54}
55
56static void
57nv04_display_fini(struct drm_device *dev, bool runtime, bool suspend)
58{
59 struct nouveau_drm *drm = nouveau_drm(dev);
60 struct nv04_display *disp = nv04_display(dev);
61 struct drm_crtc *crtc;
62
63 /* Disable flip completion events. */
64 nvif_event_block(&disp->flip);
65
66 /* Disable vblank interrupts. */
67 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
68 if (nv_two_heads(dev))
69 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
70
71 if (!runtime && !drm->headless)
72 cancel_work_sync(&drm->hpd_work);
73
74 if (!suspend)
75 return;
76
77 /* Un-pin FB and cursors so they'll be evicted to system memory. */
78 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
79 struct drm_framebuffer *fb = crtc->primary->fb;
80 struct nouveau_bo *nvbo;
81
82 if (!fb || !fb->obj[0])
83 continue;
84 nvbo = nouveau_gem_object(fb->obj[0]);
85 nouveau_bo_unpin(nvbo);
86 }
87
88 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
89 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
90 if (nv_crtc->cursor.nvbo) {
91 if (nv_crtc->cursor.set_offset)
92 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
93 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
94 }
95 }
96}
97
98static int
99nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
100{
101 struct nv04_display *disp = nv04_display(dev);
102 struct nouveau_drm *drm = nouveau_drm(dev);
103 struct nouveau_encoder *encoder;
104 struct drm_crtc *crtc;
105 int ret;
106
107 /* meh.. modeset apparently doesn't setup all the regs and depends
108 * on pre-existing state, for now load the state of the card *before*
109 * nouveau was loaded, and then do a modeset.
110 *
111 * best thing to do probably is to make save/restore routines not
112 * save/restore "pre-load" state, but more general so we can save
113 * on suspend too.
114 */
115 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
116 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
117 nv_crtc->save(&nv_crtc->base);
118 }
119
120 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
121 encoder->enc_save(&encoder->base.base);
122
123 /* Enable flip completion events. */
124 nvif_event_allow(&disp->flip);
125
126 if (!resume)
127 return 0;
128
129 /* Re-pin FB/cursors. */
130 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
131 struct drm_framebuffer *fb = crtc->primary->fb;
132 struct nouveau_bo *nvbo;
133
134 if (!fb || !fb->obj[0])
135 continue;
136 nvbo = nouveau_gem_object(fb->obj[0]);
137 ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true);
138 if (ret)
139 NV_ERROR(drm, "Could not pin framebuffer\n");
140 }
141
142 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
143 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
144 if (!nv_crtc->cursor.nvbo)
145 continue;
146
147 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo,
148 NOUVEAU_GEM_DOMAIN_VRAM, true);
149 if (!ret && nv_crtc->cursor.set_offset)
150 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
151 if (ret)
152 NV_ERROR(drm, "Could not pin/map cursor.\n");
153 }
154
155 /* Force CLUT to get re-loaded during modeset. */
156 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
157 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
158
159 nv_crtc->lut.depth = 0;
160 }
161
162 /* This should ensure we don't hit a locking problem when someone
163 * wakes us up via a connector. We should never go into suspend
164 * while the display is on anyways.
165 */
166 if (runtime)
167 return 0;
168
169 /* Restore mode. */
170 drm_helper_resume_force_mode(dev);
171
172 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
173 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
174
175 if (!nv_crtc->cursor.nvbo)
176 continue;
177
178 if (nv_crtc->cursor.set_offset)
179 nv_crtc->cursor.set_offset(nv_crtc,
180 nv_crtc->cursor.nvbo->offset);
181 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
182 nv_crtc->cursor_saved_y);
183 }
184
185 return 0;
186}
187
188static void
189nv04_display_destroy(struct drm_device *dev)
190{
191 struct nv04_display *disp = nv04_display(dev);
192 struct nouveau_encoder *encoder;
193 struct nouveau_crtc *nv_crtc;
194
195 /* Restore state */
196 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
197 encoder->enc_restore(&encoder->base.base);
198
199 list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
200 nv_crtc->restore(&nv_crtc->base);
201
202 nouveau_hw_save_vga_fonts(dev, 0);
203
204 nvif_event_dtor(&disp->flip);
205
206 nouveau_display(dev)->priv = NULL;
207 vfree(disp);
208}
209
210int
211nv04_display_create(struct drm_device *dev)
212{
213 struct nouveau_drm *drm = nouveau_drm(dev);
214 struct nvkm_i2c *i2c = nvxx_i2c(drm);
215 struct dcb_table *dcb = &drm->vbios.dcb;
216 struct drm_connector *connector, *ct;
217 struct drm_encoder *encoder;
218 struct nouveau_encoder *nv_encoder;
219 struct nouveau_crtc *crtc;
220 struct nv04_display *disp;
221 int i, ret;
222
223 disp = vzalloc(sizeof(*disp));
224 if (!disp)
225 return -ENOMEM;
226
227 disp->drm = drm;
228
229 nouveau_display(dev)->priv = disp;
230 nouveau_display(dev)->dtor = nv04_display_destroy;
231 nouveau_display(dev)->init = nv04_display_init;
232 nouveau_display(dev)->fini = nv04_display_fini;
233
234 /* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
235 dev->driver_features &= ~DRIVER_ATOMIC;
236
237 /* Request page flip completion event. */
238 if (drm->channel) {
239 ret = nvif_event_ctor(&drm->channel->nvsw, "kmsFlip", 0, nv04_flip_complete,
240 true, NULL, 0, &disp->flip);
241 if (ret)
242 return ret;
243 }
244
245 nouveau_hw_save_vga_fonts(dev, 1);
246
247 nv04_crtc_create(dev, 0);
248 if (nv_two_heads(dev))
249 nv04_crtc_create(dev, 1);
250
251 for (i = 0; i < dcb->entries; i++) {
252 struct dcb_output *dcbent = &dcb->entry[i];
253
254 connector = nouveau_connector_create(dev, dcbent->connector);
255 if (IS_ERR(connector))
256 continue;
257
258 switch (dcbent->type) {
259 case DCB_OUTPUT_ANALOG:
260 ret = nv04_dac_create(connector, dcbent);
261 break;
262 case DCB_OUTPUT_LVDS:
263 case DCB_OUTPUT_TMDS:
264 ret = nv04_dfp_create(connector, dcbent);
265 break;
266 case DCB_OUTPUT_TV:
267 if (dcbent->location == DCB_LOC_ON_CHIP)
268 ret = nv17_tv_create(connector, dcbent);
269 else
270 ret = nv04_tv_create(connector, dcbent);
271 break;
272 default:
273 NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
274 continue;
275 }
276
277 if (ret)
278 continue;
279 }
280
281 list_for_each_entry_safe(connector, ct,
282 &dev->mode_config.connector_list, head) {
283 if (!connector->possible_encoders) {
284 NV_WARN(drm, "%s has no encoders, removing\n",
285 connector->name);
286 connector->funcs->destroy(connector);
287 }
288 }
289
290 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
291 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
292 struct nvkm_i2c_bus *bus =
293 nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
294 nv_encoder->i2c = bus ? &bus->i2c : NULL;
295 }
296
297 /* Save previous state */
298 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
299 crtc->save(&crtc->base);
300
301 list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
302 nv_encoder->enc_save(&nv_encoder->base.base);
303
304 nouveau_overlay_init(dev);
305
306 return 0;
307}
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 <drm/drm_crtc_helper.h>
26
27#include "nouveau_drv.h"
28#include "nouveau_reg.h"
29#include "hw.h"
30#include "nouveau_encoder.h"
31#include "nouveau_connector.h"
32#include "nouveau_bo.h"
33
34#include <nvif/if0004.h>
35
36static void
37nv04_display_fini(struct drm_device *dev, bool suspend)
38{
39 struct nv04_display *disp = nv04_display(dev);
40 struct drm_crtc *crtc;
41
42 /* Disable flip completion events. */
43 nvif_notify_put(&disp->flip);
44
45 /* Disable vblank interrupts. */
46 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
47 if (nv_two_heads(dev))
48 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
49
50 if (!suspend)
51 return;
52
53 /* Un-pin FB and cursors so they'll be evicted to system memory. */
54 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
55 struct nouveau_framebuffer *nouveau_fb;
56
57 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
58 if (!nouveau_fb || !nouveau_fb->nvbo)
59 continue;
60
61 nouveau_bo_unpin(nouveau_fb->nvbo);
62 }
63
64 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
65 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
66 if (nv_crtc->cursor.nvbo) {
67 if (nv_crtc->cursor.set_offset)
68 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
69 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
70 }
71 }
72}
73
74static int
75nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
76{
77 struct nv04_display *disp = nv04_display(dev);
78 struct nouveau_drm *drm = nouveau_drm(dev);
79 struct nouveau_encoder *encoder;
80 struct drm_crtc *crtc;
81 int ret;
82
83 /* meh.. modeset apparently doesn't setup all the regs and depends
84 * on pre-existing state, for now load the state of the card *before*
85 * nouveau was loaded, and then do a modeset.
86 *
87 * best thing to do probably is to make save/restore routines not
88 * save/restore "pre-load" state, but more general so we can save
89 * on suspend too.
90 */
91 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
92 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
93 nv_crtc->save(&nv_crtc->base);
94 }
95
96 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
97 encoder->enc_save(&encoder->base.base);
98
99 /* Enable flip completion events. */
100 nvif_notify_get(&disp->flip);
101
102 if (!resume)
103 return 0;
104
105 /* Re-pin FB/cursors. */
106 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
107 struct nouveau_framebuffer *nouveau_fb;
108
109 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
110 if (!nouveau_fb || !nouveau_fb->nvbo)
111 continue;
112
113 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
114 if (ret)
115 NV_ERROR(drm, "Could not pin framebuffer\n");
116 }
117
118 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
119 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
120 if (!nv_crtc->cursor.nvbo)
121 continue;
122
123 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
124 if (!ret && nv_crtc->cursor.set_offset)
125 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
126 if (ret)
127 NV_ERROR(drm, "Could not pin/map cursor.\n");
128 }
129
130 /* Force CLUT to get re-loaded during modeset. */
131 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
132 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
133
134 nv_crtc->lut.depth = 0;
135 }
136
137 /* This should ensure we don't hit a locking problem when someone
138 * wakes us up via a connector. We should never go into suspend
139 * while the display is on anyways.
140 */
141 if (runtime)
142 return 0;
143
144 /* Restore mode. */
145 drm_helper_resume_force_mode(dev);
146
147 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
148 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
149
150 if (!nv_crtc->cursor.nvbo)
151 continue;
152
153 if (nv_crtc->cursor.set_offset)
154 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
155 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
156 nv_crtc->cursor_saved_y);
157 }
158
159 return 0;
160}
161
162static void
163nv04_display_destroy(struct drm_device *dev)
164{
165 struct nv04_display *disp = nv04_display(dev);
166 struct nouveau_drm *drm = nouveau_drm(dev);
167 struct nouveau_encoder *encoder;
168 struct nouveau_crtc *nv_crtc;
169
170 /* Restore state */
171 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
172 encoder->enc_restore(&encoder->base.base);
173
174 list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
175 nv_crtc->restore(&nv_crtc->base);
176
177 nouveau_hw_save_vga_fonts(dev, 0);
178
179 nvif_notify_fini(&disp->flip);
180
181 nouveau_display(dev)->priv = NULL;
182 kfree(disp);
183
184 nvif_object_unmap(&drm->client.device.object);
185}
186
187int
188nv04_display_create(struct drm_device *dev)
189{
190 struct nouveau_drm *drm = nouveau_drm(dev);
191 struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
192 struct dcb_table *dcb = &drm->vbios.dcb;
193 struct drm_connector *connector, *ct;
194 struct drm_encoder *encoder;
195 struct nouveau_encoder *nv_encoder;
196 struct nouveau_crtc *crtc;
197 struct nv04_display *disp;
198 int i, ret;
199
200 disp = kzalloc(sizeof(*disp), GFP_KERNEL);
201 if (!disp)
202 return -ENOMEM;
203
204 nvif_object_map(&drm->client.device.object, NULL, 0);
205
206 nouveau_display(dev)->priv = disp;
207 nouveau_display(dev)->dtor = nv04_display_destroy;
208 nouveau_display(dev)->init = nv04_display_init;
209 nouveau_display(dev)->fini = nv04_display_fini;
210
211 /* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
212 dev->driver_features &= ~DRIVER_ATOMIC;
213
214 /* Request page flip completion event. */
215 if (drm->nvsw.client) {
216 nvif_notify_init(&drm->nvsw, nv04_flip_complete,
217 false, NV04_NVSW_NTFY_UEVENT,
218 NULL, 0, 0, &disp->flip);
219 }
220
221 nouveau_hw_save_vga_fonts(dev, 1);
222
223 nv04_crtc_create(dev, 0);
224 if (nv_two_heads(dev))
225 nv04_crtc_create(dev, 1);
226
227 for (i = 0; i < dcb->entries; i++) {
228 struct dcb_output *dcbent = &dcb->entry[i];
229
230 connector = nouveau_connector_create(dev, dcbent);
231 if (IS_ERR(connector))
232 continue;
233
234 switch (dcbent->type) {
235 case DCB_OUTPUT_ANALOG:
236 ret = nv04_dac_create(connector, dcbent);
237 break;
238 case DCB_OUTPUT_LVDS:
239 case DCB_OUTPUT_TMDS:
240 ret = nv04_dfp_create(connector, dcbent);
241 break;
242 case DCB_OUTPUT_TV:
243 if (dcbent->location == DCB_LOC_ON_CHIP)
244 ret = nv17_tv_create(connector, dcbent);
245 else
246 ret = nv04_tv_create(connector, dcbent);
247 break;
248 default:
249 NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
250 continue;
251 }
252
253 if (ret)
254 continue;
255 }
256
257 list_for_each_entry_safe(connector, ct,
258 &dev->mode_config.connector_list, head) {
259 if (!connector->encoder_ids[0]) {
260 NV_WARN(drm, "%s has no encoders, removing\n",
261 connector->name);
262 connector->funcs->destroy(connector);
263 }
264 }
265
266 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
267 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
268 struct nvkm_i2c_bus *bus =
269 nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
270 nv_encoder->i2c = bus ? &bus->i2c : NULL;
271 }
272
273 /* Save previous state */
274 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
275 crtc->save(&crtc->base);
276
277 list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
278 nv_encoder->enc_save(&nv_encoder->base.base);
279
280 nouveau_overlay_init(dev);
281
282 return 0;
283}