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25#include <drm/drmP.h>
26#include <drm/drm_crtc_helper.h>
27
28#include "nouveau_drm.h"
29#include "nouveau_reg.h"
30#include "hw.h"
31#include "nouveau_encoder.h"
32#include "nouveau_connector.h"
33
34int
35nv04_display_create(struct drm_device *dev)
36{
37 struct nouveau_drm *drm = nouveau_drm(dev);
38 struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
39 struct dcb_table *dcb = &drm->vbios.dcb;
40 struct drm_connector *connector, *ct;
41 struct drm_encoder *encoder;
42 struct drm_crtc *crtc;
43 struct nv04_display *disp;
44 int i, ret;
45
46 disp = kzalloc(sizeof(*disp), GFP_KERNEL);
47 if (!disp)
48 return -ENOMEM;
49
50 nvif_object_map(nvif_object(&drm->device));
51
52 nouveau_display(dev)->priv = disp;
53 nouveau_display(dev)->dtor = nv04_display_destroy;
54 nouveau_display(dev)->init = nv04_display_init;
55 nouveau_display(dev)->fini = nv04_display_fini;
56
57 nouveau_hw_save_vga_fonts(dev, 1);
58
59 nv04_crtc_create(dev, 0);
60 if (nv_two_heads(dev))
61 nv04_crtc_create(dev, 1);
62
63 for (i = 0; i < dcb->entries; i++) {
64 struct dcb_output *dcbent = &dcb->entry[i];
65
66 connector = nouveau_connector_create(dev, dcbent->connector);
67 if (IS_ERR(connector))
68 continue;
69
70 switch (dcbent->type) {
71 case DCB_OUTPUT_ANALOG:
72 ret = nv04_dac_create(connector, dcbent);
73 break;
74 case DCB_OUTPUT_LVDS:
75 case DCB_OUTPUT_TMDS:
76 ret = nv04_dfp_create(connector, dcbent);
77 break;
78 case DCB_OUTPUT_TV:
79 if (dcbent->location == DCB_LOC_ON_CHIP)
80 ret = nv17_tv_create(connector, dcbent);
81 else
82 ret = nv04_tv_create(connector, dcbent);
83 break;
84 default:
85 NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
86 continue;
87 }
88
89 if (ret)
90 continue;
91 }
92
93 list_for_each_entry_safe(connector, ct,
94 &dev->mode_config.connector_list, head) {
95 if (!connector->encoder_ids[0]) {
96 NV_WARN(drm, "%s has no encoders, removing\n",
97 connector->name);
98 connector->funcs->destroy(connector);
99 }
100 }
101
102 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
103 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
104 nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index);
105 }
106
107
108 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
109 crtc->funcs->save(crtc);
110
111 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
112 struct drm_encoder_helper_funcs *func = encoder->helper_private;
113
114 func->save(encoder);
115 }
116
117 nouveau_overlay_init(dev);
118
119 return 0;
120}
121
122void
123nv04_display_destroy(struct drm_device *dev)
124{
125 struct nv04_display *disp = nv04_display(dev);
126 struct nouveau_drm *drm = nouveau_drm(dev);
127 struct drm_encoder *encoder;
128 struct drm_crtc *crtc;
129
130
131 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
132 struct drm_mode_set modeset = {
133 .crtc = crtc,
134 };
135
136 drm_mode_set_config_internal(&modeset);
137 }
138
139
140 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
141 struct drm_encoder_helper_funcs *func = encoder->helper_private;
142
143 func->restore(encoder);
144 }
145
146 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
147 crtc->funcs->restore(crtc);
148
149 nouveau_hw_save_vga_fonts(dev, 0);
150
151 nouveau_display(dev)->priv = NULL;
152 kfree(disp);
153
154 nvif_object_unmap(nvif_object(&drm->device));
155}
156
157int
158nv04_display_init(struct drm_device *dev)
159{
160 struct drm_encoder *encoder;
161 struct drm_crtc *crtc;
162
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168
169
170
171 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
172 struct drm_encoder_helper_funcs *func = encoder->helper_private;
173
174 func->restore(encoder);
175 }
176
177 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
178 crtc->funcs->restore(crtc);
179
180 return 0;
181}
182
183void
184nv04_display_fini(struct drm_device *dev)
185{
186
187 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
188 if (nv_two_heads(dev))
189 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
190}
191