blob: 44488e3a257d409ec05474192a11e866340a01ea [file] [log] [blame]
Ben Skeggs6ee73862009-12-11 19:24:15 +10001/*
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
Ben Skeggs25b85782010-11-03 11:36:09 +100035static void nv04_vblank_crtc0_isr(struct drm_device *);
36static void nv04_vblank_crtc1_isr(struct drm_device *);
37
Ben Skeggs6ee73862009-12-11 19:24:15 +100038static void
39nv04_display_store_initial_head_owner(struct drm_device *dev)
40{
41 struct drm_nouveau_private *dev_priv = dev->dev_private;
42
43 if (dev_priv->chipset != 0x11) {
44 dev_priv->crtc_owner = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_44);
Francisco Jerez03cd06c2010-07-20 03:08:25 +020045 return;
Ben Skeggs6ee73862009-12-11 19:24:15 +100046 }
47
48 /* reading CR44 is broken on nv11, so we attempt to infer it */
49 if (nvReadMC(dev, NV_PBUS_DEBUG_1) & (1 << 28)) /* heads tied, restore both */
50 dev_priv->crtc_owner = 0x4;
51 else {
52 uint8_t slaved_on_A, slaved_on_B;
53 bool tvA = false;
54 bool tvB = false;
55
Ben Skeggs6ee73862009-12-11 19:24:15 +100056 slaved_on_B = NVReadVgaCrtc(dev, 1, NV_CIO_CRE_PIXEL_INDEX) &
57 0x80;
58 if (slaved_on_B)
59 tvB = !(NVReadVgaCrtc(dev, 1, NV_CIO_CRE_LCD__INDEX) &
60 MASK(NV_CIO_CRE_LCD_LCD_SELECT));
61
62 slaved_on_A = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX) &
63 0x80;
64 if (slaved_on_A)
65 tvA = !(NVReadVgaCrtc(dev, 0, NV_CIO_CRE_LCD__INDEX) &
66 MASK(NV_CIO_CRE_LCD_LCD_SELECT));
67
Ben Skeggs6ee73862009-12-11 19:24:15 +100068 if (slaved_on_A && !tvA)
69 dev_priv->crtc_owner = 0x0;
70 else if (slaved_on_B && !tvB)
71 dev_priv->crtc_owner = 0x3;
72 else if (slaved_on_A)
73 dev_priv->crtc_owner = 0x0;
74 else if (slaved_on_B)
75 dev_priv->crtc_owner = 0x3;
76 else
77 dev_priv->crtc_owner = 0x0;
78 }
Ben Skeggs6ee73862009-12-11 19:24:15 +100079}
80
81int
Francisco Jerezc88c2e02010-07-24 17:37:33 +020082nv04_display_early_init(struct drm_device *dev)
83{
Francisco Jerezc04c5b12010-07-24 17:42:20 +020084 /* Make the I2C buses accessible. */
85 if (!nv_gf4_disp_arch(dev)) {
86 uint32_t pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
87
88 if (!(pmc_enable & 1))
89 nv_wr32(dev, NV03_PMC_ENABLE, pmc_enable | 1);
90 }
91
Francisco Jerezc88c2e02010-07-24 17:37:33 +020092 /* Unlock the VGA CRTCs. */
93 NVLockVgaCrtcs(dev, false);
94
95 /* Make sure the CRTCs aren't in slaved mode. */
96 if (nv_two_heads(dev)) {
97 nv04_display_store_initial_head_owner(dev);
98 NVSetOwner(dev, 0);
99 }
100
Ben Skeggsafada5e2011-11-22 13:59:30 +1000101 /* ensure vblank interrupts are off, they can't be enabled until
102 * drm_vblank has been initialised
103 */
104 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
105 if (nv_two_heads(dev))
106 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
107
Francisco Jerezc88c2e02010-07-24 17:37:33 +0200108 return 0;
109}
110
111void
112nv04_display_late_takedown(struct drm_device *dev)
113{
114 struct drm_nouveau_private *dev_priv = dev->dev_private;
115
116 if (nv_two_heads(dev))
117 NVSetOwner(dev, dev_priv->crtc_owner);
118
119 NVLockVgaCrtcs(dev, true);
120}
121
122int
Ben Skeggs6ee73862009-12-11 19:24:15 +1000123nv04_display_create(struct drm_device *dev)
124{
125 struct drm_nouveau_private *dev_priv = dev->dev_private;
Ben Skeggs04a39c52010-02-24 10:03:05 +1000126 struct dcb_table *dcb = &dev_priv->vbios.dcb;
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000127 struct drm_connector *connector, *ct;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000128 struct drm_encoder *encoder;
129 struct drm_crtc *crtc;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000130 int i, ret;
131
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100132 NV_DEBUG_KMS(dev, "\n");
Ben Skeggs6ee73862009-12-11 19:24:15 +1000133
Francisco Jerez95f158e2009-12-11 23:44:49 +0100134 nouveau_hw_save_vga_fonts(dev, 1);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000135
Ben Skeggs6ee73862009-12-11 19:24:15 +1000136 nv04_crtc_create(dev, 0);
137 if (nv_two_heads(dev))
138 nv04_crtc_create(dev, 1);
139
140 for (i = 0; i < dcb->entries; i++) {
141 struct dcb_entry *dcbent = &dcb->entry[i];
142
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000143 connector = nouveau_connector_create(dev, dcbent->connector);
144 if (IS_ERR(connector))
145 continue;
146
Ben Skeggs6ee73862009-12-11 19:24:15 +1000147 switch (dcbent->type) {
148 case OUTPUT_ANALOG:
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000149 ret = nv04_dac_create(connector, dcbent);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000150 break;
151 case OUTPUT_LVDS:
152 case OUTPUT_TMDS:
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000153 ret = nv04_dfp_create(connector, dcbent);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000154 break;
155 case OUTPUT_TV:
156 if (dcbent->location == DCB_LOC_ON_CHIP)
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000157 ret = nv17_tv_create(connector, dcbent);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000158 else
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000159 ret = nv04_tv_create(connector, dcbent);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000160 break;
161 default:
162 NV_WARN(dev, "DCB type %d not known\n", dcbent->type);
163 continue;
164 }
165
166 if (ret)
167 continue;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000168 }
169
Ben Skeggs8f1a6082010-06-28 14:35:50 +1000170 list_for_each_entry_safe(connector, ct,
171 &dev->mode_config.connector_list, head) {
172 if (!connector->encoder_ids[0]) {
173 NV_WARN(dev, "%s has no encoders, removing\n",
174 drm_get_connector_name(connector));
175 connector->funcs->destroy(connector);
176 }
177 }
Ben Skeggs6ee73862009-12-11 19:24:15 +1000178
179 /* Save previous state */
Ben Skeggs6ee73862009-12-11 19:24:15 +1000180 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
181 crtc->funcs->save(crtc);
182
183 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
184 struct drm_encoder_helper_funcs *func = encoder->helper_private;
185
186 func->save(encoder);
187 }
188
Ben Skeggs25b85782010-11-03 11:36:09 +1000189 nouveau_irq_register(dev, 24, nv04_vblank_crtc0_isr);
190 nouveau_irq_register(dev, 25, nv04_vblank_crtc1_isr);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000191 return 0;
192}
193
194void
195nv04_display_destroy(struct drm_device *dev)
196{
197 struct drm_encoder *encoder;
198 struct drm_crtc *crtc;
199
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100200 NV_DEBUG_KMS(dev, "\n");
Ben Skeggs6ee73862009-12-11 19:24:15 +1000201
Ben Skeggse4cbadc2010-11-11 13:59:05 +1000202 nouveau_irq_unregister(dev, 24);
203 nouveau_irq_unregister(dev, 25);
204
Ben Skeggs6ee73862009-12-11 19:24:15 +1000205 /* Turn every CRTC off. */
206 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
207 struct drm_mode_set modeset = {
208 .crtc = crtc,
209 };
210
211 crtc->funcs->set_config(&modeset);
212 }
213
214 /* Restore state */
Ben Skeggs6ee73862009-12-11 19:24:15 +1000215 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
216 struct drm_encoder_helper_funcs *func = encoder->helper_private;
217
218 func->restore(encoder);
219 }
220
221 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
222 crtc->funcs->restore(crtc);
223
Francisco Jerez95f158e2009-12-11 23:44:49 +0100224 nouveau_hw_save_vga_fonts(dev, 0);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000225}
226
Francisco Jerezc88c2e02010-07-24 17:37:33 +0200227int
228nv04_display_init(struct drm_device *dev)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000229{
Ben Skeggs6ee73862009-12-11 19:24:15 +1000230 struct drm_encoder *encoder;
231 struct drm_crtc *crtc;
232
Ben Skeggs6ee73862009-12-11 19:24:15 +1000233 /* meh.. modeset apparently doesn't setup all the regs and depends
234 * on pre-existing state, for now load the state of the card *before*
235 * nouveau was loaded, and then do a modeset.
236 *
237 * best thing to do probably is to make save/restore routines not
238 * save/restore "pre-load" state, but more general so we can save
239 * on suspend too.
240 */
241 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
242 struct drm_encoder_helper_funcs *func = encoder->helper_private;
243
244 func->restore(encoder);
245 }
246
247 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
248 crtc->funcs->restore(crtc);
Francisco Jerezc88c2e02010-07-24 17:37:33 +0200249
250 return 0;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000251}
252
Ben Skeggs2a44e492011-11-09 11:36:33 +1000253void
254nv04_display_fini(struct drm_device *dev)
255{
Ben Skeggsafada5e2011-11-22 13:59:30 +1000256 /* disable vblank interrupts */
257 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
258 if (nv_two_heads(dev))
259 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
Ben Skeggs2a44e492011-11-09 11:36:33 +1000260}
261
Ben Skeggs25b85782010-11-03 11:36:09 +1000262static void
263nv04_vblank_crtc0_isr(struct drm_device *dev)
264{
265 nv_wr32(dev, NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
266 drm_handle_vblank(dev, 0);
267}
268
269static void
270nv04_vblank_crtc1_isr(struct drm_device *dev)
271{
272 nv_wr32(dev, NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
273 drm_handle_vblank(dev, 1);
274}