2 * Copyright 2009 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #include <drm/drm_crtc_helper.h>
28 #include "nouveau_drv.h"
29 #include "nouveau_reg.h"
31 #include "nouveau_encoder.h"
32 #include "nouveau_connector.h"
35 nv04_display_create(struct drm_device *dev)
37 struct nouveau_drm *drm = nouveau_drm(dev);
38 struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
39 struct dcb_table *dcb = &drm->vbios.dcb;
40 struct drm_connector *connector, *ct;
41 struct drm_encoder *encoder;
42 struct nouveau_encoder *nv_encoder;
43 struct nouveau_crtc *crtc;
44 struct nv04_display *disp;
47 disp = kzalloc(sizeof(*disp), GFP_KERNEL);
51 nvif_object_map(&drm->client.device.object, NULL, 0);
53 nouveau_display(dev)->priv = disp;
54 nouveau_display(dev)->dtor = nv04_display_destroy;
55 nouveau_display(dev)->init = nv04_display_init;
56 nouveau_display(dev)->fini = nv04_display_fini;
58 nouveau_hw_save_vga_fonts(dev, 1);
60 nv04_crtc_create(dev, 0);
61 if (nv_two_heads(dev))
62 nv04_crtc_create(dev, 1);
64 for (i = 0; i < dcb->entries; i++) {
65 struct dcb_output *dcbent = &dcb->entry[i];
67 connector = nouveau_connector_create(dev, dcbent->connector);
68 if (IS_ERR(connector))
71 switch (dcbent->type) {
72 case DCB_OUTPUT_ANALOG:
73 ret = nv04_dac_create(connector, dcbent);
77 ret = nv04_dfp_create(connector, dcbent);
80 if (dcbent->location == DCB_LOC_ON_CHIP)
81 ret = nv17_tv_create(connector, dcbent);
83 ret = nv04_tv_create(connector, dcbent);
86 NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
94 list_for_each_entry_safe(connector, ct,
95 &dev->mode_config.connector_list, head) {
96 if (!connector->encoder_ids[0]) {
97 NV_WARN(drm, "%s has no encoders, removing\n",
99 connector->funcs->destroy(connector);
103 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
104 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
105 struct nvkm_i2c_bus *bus =
106 nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
107 nv_encoder->i2c = bus ? &bus->i2c : NULL;
110 /* Save previous state */
111 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
112 crtc->save(&crtc->base);
114 list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
115 nv_encoder->enc_save(&nv_encoder->base.base);
117 nouveau_overlay_init(dev);
123 nv04_display_destroy(struct drm_device *dev)
125 struct nv04_display *disp = nv04_display(dev);
126 struct nouveau_drm *drm = nouveau_drm(dev);
127 struct nouveau_encoder *encoder;
128 struct nouveau_crtc *nv_crtc;
131 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
132 encoder->enc_restore(&encoder->base.base);
134 list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
135 nv_crtc->restore(&nv_crtc->base);
137 nouveau_hw_save_vga_fonts(dev, 0);
139 nouveau_display(dev)->priv = NULL;
142 nvif_object_unmap(&drm->client.device.object);
146 nv04_display_init(struct drm_device *dev)
148 struct nouveau_encoder *encoder;
149 struct nouveau_crtc *crtc;
151 /* meh.. modeset apparently doesn't setup all the regs and depends
152 * on pre-existing state, for now load the state of the card *before*
153 * nouveau was loaded, and then do a modeset.
155 * best thing to do probably is to make save/restore routines not
156 * save/restore "pre-load" state, but more general so we can save
159 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
160 crtc->save(&crtc->base);
162 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
163 encoder->enc_save(&encoder->base.base);
169 nv04_display_fini(struct drm_device *dev)
171 /* disable vblank interrupts */
172 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
173 if (nv_two_heads(dev))
174 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);