1 | /* $NetBSD: nouveau_dispnv04_disp.c,v 1.2 2014/08/06 15:01:34 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2009 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Author: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv04_disp.c,v 1.2 2014/08/06 15:01:34 riastradh Exp $" ); |
29 | |
30 | #include <linux/err.h> |
31 | |
32 | #include <core/object.h> |
33 | #include <core/class.h> |
34 | |
35 | #include <drm/drmP.h> |
36 | #include <drm/drm_crtc_helper.h> |
37 | |
38 | #include "nouveau_drm.h" |
39 | #include "nouveau_reg.h" |
40 | #include "hw.h" |
41 | #include "nouveau_encoder.h" |
42 | #include "nouveau_connector.h" |
43 | |
44 | #include <subdev/i2c.h> |
45 | |
46 | int |
47 | nv04_display_early_init(struct drm_device *dev) |
48 | { |
49 | /* ensure vblank interrupts are off, they can't be enabled until |
50 | * drm_vblank has been initialised |
51 | */ |
52 | NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); |
53 | if (nv_two_heads(dev)) |
54 | NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); |
55 | |
56 | return 0; |
57 | } |
58 | |
59 | void |
60 | nv04_display_late_takedown(struct drm_device *dev) |
61 | { |
62 | } |
63 | |
64 | int |
65 | nv04_display_create(struct drm_device *dev) |
66 | { |
67 | struct nouveau_drm *drm = nouveau_drm(dev); |
68 | struct nouveau_i2c *i2c = nouveau_i2c(drm->device); |
69 | struct dcb_table *dcb = &drm->vbios.dcb; |
70 | struct drm_connector *connector, *ct; |
71 | struct drm_encoder *encoder; |
72 | struct drm_crtc *crtc; |
73 | struct nv04_display *disp; |
74 | int i, ret; |
75 | |
76 | disp = kzalloc(sizeof(*disp), GFP_KERNEL); |
77 | if (!disp) |
78 | return -ENOMEM; |
79 | |
80 | nouveau_display(dev)->priv = disp; |
81 | nouveau_display(dev)->dtor = nv04_display_destroy; |
82 | nouveau_display(dev)->init = nv04_display_init; |
83 | nouveau_display(dev)->fini = nv04_display_fini; |
84 | |
85 | nouveau_hw_save_vga_fonts(dev, 1); |
86 | |
87 | nv04_crtc_create(dev, 0); |
88 | if (nv_two_heads(dev)) |
89 | nv04_crtc_create(dev, 1); |
90 | |
91 | for (i = 0; i < dcb->entries; i++) { |
92 | struct dcb_output *dcbent = &dcb->entry[i]; |
93 | |
94 | connector = nouveau_connector_create(dev, dcbent->connector); |
95 | if (IS_ERR(connector)) |
96 | continue; |
97 | |
98 | switch (dcbent->type) { |
99 | case DCB_OUTPUT_ANALOG: |
100 | ret = nv04_dac_create(connector, dcbent); |
101 | break; |
102 | case DCB_OUTPUT_LVDS: |
103 | case DCB_OUTPUT_TMDS: |
104 | ret = nv04_dfp_create(connector, dcbent); |
105 | break; |
106 | case DCB_OUTPUT_TV: |
107 | if (dcbent->location == DCB_LOC_ON_CHIP) |
108 | ret = nv17_tv_create(connector, dcbent); |
109 | else |
110 | ret = nv04_tv_create(connector, dcbent); |
111 | break; |
112 | default: |
113 | NV_WARN(drm, "DCB type %d not known\n" , dcbent->type); |
114 | continue; |
115 | } |
116 | |
117 | if (ret) |
118 | continue; |
119 | } |
120 | |
121 | list_for_each_entry_safe(connector, ct, |
122 | &dev->mode_config.connector_list, head) { |
123 | if (!connector->encoder_ids[0]) { |
124 | NV_WARN(drm, "%s has no encoders, removing\n" , |
125 | drm_get_connector_name(connector)); |
126 | connector->funcs->destroy(connector); |
127 | } |
128 | } |
129 | |
130 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
131 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
132 | nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index); |
133 | } |
134 | |
135 | /* Save previous state */ |
136 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
137 | crtc->funcs->save(crtc); |
138 | |
139 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
140 | struct drm_encoder_helper_funcs *func = encoder->helper_private; |
141 | |
142 | func->save(encoder); |
143 | } |
144 | |
145 | nouveau_overlay_init(dev); |
146 | |
147 | return 0; |
148 | } |
149 | |
150 | void |
151 | nv04_display_destroy(struct drm_device *dev) |
152 | { |
153 | struct nv04_display *disp = nv04_display(dev); |
154 | struct drm_encoder *encoder; |
155 | struct drm_crtc *crtc; |
156 | |
157 | /* Turn every CRTC off. */ |
158 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
159 | struct drm_mode_set modeset = { |
160 | .crtc = crtc, |
161 | }; |
162 | |
163 | drm_mode_set_config_internal(&modeset); |
164 | } |
165 | |
166 | /* Restore state */ |
167 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
168 | struct drm_encoder_helper_funcs *func = encoder->helper_private; |
169 | |
170 | func->restore(encoder); |
171 | } |
172 | |
173 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
174 | crtc->funcs->restore(crtc); |
175 | |
176 | nouveau_hw_save_vga_fonts(dev, 0); |
177 | |
178 | nouveau_display(dev)->priv = NULL; |
179 | kfree(disp); |
180 | } |
181 | |
182 | int |
183 | nv04_display_init(struct drm_device *dev) |
184 | { |
185 | struct drm_encoder *encoder; |
186 | struct drm_crtc *crtc; |
187 | |
188 | /* meh.. modeset apparently doesn't setup all the regs and depends |
189 | * on pre-existing state, for now load the state of the card *before* |
190 | * nouveau was loaded, and then do a modeset. |
191 | * |
192 | * best thing to do probably is to make save/restore routines not |
193 | * save/restore "pre-load" state, but more general so we can save |
194 | * on suspend too. |
195 | */ |
196 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
197 | struct drm_encoder_helper_funcs *func = encoder->helper_private; |
198 | |
199 | func->restore(encoder); |
200 | } |
201 | |
202 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
203 | crtc->funcs->restore(crtc); |
204 | |
205 | return 0; |
206 | } |
207 | |
208 | void |
209 | nv04_display_fini(struct drm_device *dev) |
210 | { |
211 | /* disable vblank interrupts */ |
212 | NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); |
213 | if (nv_two_heads(dev)) |
214 | NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); |
215 | } |
216 | |