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.
27 #include "drm_crtc_helper.h"
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"
36 nv04_display_early_init(struct drm_device
*dev
)
38 /* ensure vblank interrupts are off, they can't be enabled until
39 * drm_vblank has been initialised
41 NVWriteCRTC(dev
, 0, NV_PCRTC_INTR_EN_0
, 0);
42 if (nv_two_heads(dev
))
43 NVWriteCRTC(dev
, 1, NV_PCRTC_INTR_EN_0
, 0);
49 nv04_display_late_takedown(struct drm_device
*dev
)
54 nv04_display_create(struct drm_device
*dev
)
56 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
57 struct dcb_table
*dcb
= &dev_priv
->vbios
.dcb
;
58 struct drm_connector
*connector
, *ct
;
59 struct drm_encoder
*encoder
;
60 struct drm_crtc
*crtc
;
61 struct nv04_display
*disp
;
64 NV_DEBUG_KMS(dev
, "\n");
66 disp
= kzalloc(sizeof(*disp
), GFP_KERNEL
);
67 dev_priv
->engine
.display
.priv
= disp
;
71 nouveau_hw_save_vga_fonts(dev
, 1);
73 nv04_crtc_create(dev
, 0);
74 if (nv_two_heads(dev
))
75 nv04_crtc_create(dev
, 1);
77 for (i
= 0; i
< dcb
->entries
; i
++) {
78 struct dcb_output
*dcbent
= &dcb
->entry
[i
];
80 connector
= nouveau_connector_create(dev
, dcbent
->connector
);
81 if (IS_ERR(connector
))
84 switch (dcbent
->type
) {
85 case DCB_OUTPUT_ANALOG
:
86 ret
= nv04_dac_create(connector
, dcbent
);
90 ret
= nv04_dfp_create(connector
, dcbent
);
93 if (dcbent
->location
== DCB_LOC_ON_CHIP
)
94 ret
= nv17_tv_create(connector
, dcbent
);
96 ret
= nv04_tv_create(connector
, dcbent
);
99 NV_WARN(dev
, "DCB type %d not known\n", dcbent
->type
);
107 list_for_each_entry_safe(connector
, ct
,
108 &dev
->mode_config
.connector_list
, head
) {
109 if (!connector
->encoder_ids
[0]) {
110 NV_WARN(dev
, "%s has no encoders, removing\n",
111 drm_get_connector_name(connector
));
112 connector
->funcs
->destroy(connector
);
116 /* Save previous state */
117 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
118 crtc
->funcs
->save(crtc
);
120 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
) {
121 struct drm_encoder_helper_funcs
*func
= encoder
->helper_private
;
130 nv04_display_destroy(struct drm_device
*dev
)
132 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
133 struct nv04_display
*disp
= nv04_display(dev
);
134 struct drm_encoder
*encoder
;
135 struct drm_crtc
*crtc
;
137 NV_DEBUG_KMS(dev
, "\n");
139 /* Turn every CRTC off. */
140 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
141 struct drm_mode_set modeset
= {
145 crtc
->funcs
->set_config(&modeset
);
149 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
) {
150 struct drm_encoder_helper_funcs
*func
= encoder
->helper_private
;
152 func
->restore(encoder
);
155 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
156 crtc
->funcs
->restore(crtc
);
158 nouveau_hw_save_vga_fonts(dev
, 0);
160 dev_priv
->engine
.display
.priv
= NULL
;
165 nv04_display_init(struct drm_device
*dev
)
167 struct drm_encoder
*encoder
;
168 struct drm_crtc
*crtc
;
170 /* meh.. modeset apparently doesn't setup all the regs and depends
171 * on pre-existing state, for now load the state of the card *before*
172 * nouveau was loaded, and then do a modeset.
174 * best thing to do probably is to make save/restore routines not
175 * save/restore "pre-load" state, but more general so we can save
178 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
) {
179 struct drm_encoder_helper_funcs
*func
= encoder
->helper_private
;
181 func
->restore(encoder
);
184 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
185 crtc
->funcs
->restore(crtc
);
191 nv04_display_fini(struct drm_device
*dev
)
193 /* disable vblank interrupts */
194 NVWriteCRTC(dev
, 0, NV_PCRTC_INTR_EN_0
, 0);
195 if (nv_two_heads(dev
))
196 NVWriteCRTC(dev
, 1, NV_PCRTC_INTR_EN_0
, 0);
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