Commit | Line | Data |
---|---|---|
6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2008 Maarten Maathuis. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining | |
6 | * a copy of this software and associated documentation files (the | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the | |
14 | * next paragraph) shall be included in all copies or substantial | |
15 | * portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
26 | ||
27 | #include "drmP.h" | |
28 | #include "drm_crtc_helper.h" | |
29 | ||
30 | #define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) | |
31 | #include "nouveau_reg.h" | |
32 | #include "nouveau_drv.h" | |
33 | #include "nouveau_dma.h" | |
34 | #include "nouveau_encoder.h" | |
35 | #include "nouveau_connector.h" | |
36 | #include "nouveau_crtc.h" | |
37 | #include "nv50_display.h" | |
38 | ||
39 | static void | |
40 | nv50_dac_disconnect(struct nouveau_encoder *nv_encoder) | |
41 | { | |
42 | struct drm_device *dev = to_drm_encoder(nv_encoder)->dev; | |
43 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
44 | struct nouveau_channel *evo = dev_priv->evo; | |
45 | int ret; | |
46 | ||
ef2bb506 | 47 | NV_DEBUG_KMS(dev, "Disconnecting DAC %d\n", nv_encoder->or); |
6ee73861 BS |
48 | |
49 | ret = RING_SPACE(evo, 2); | |
50 | if (ret) { | |
51 | NV_ERROR(dev, "no space while disconnecting DAC\n"); | |
52 | return; | |
53 | } | |
54 | BEGIN_RING(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1); | |
55 | OUT_RING(evo, 0); | |
56 | } | |
57 | ||
58 | static enum drm_connector_status | |
59 | nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) | |
60 | { | |
61 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
62 | struct drm_device *dev = encoder->dev; | |
63 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
64 | enum drm_connector_status status = connector_status_disconnected; | |
65 | uint32_t dpms_state, load_pattern, load_state; | |
66 | int or = nv_encoder->or; | |
67 | ||
68 | nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL1(or), 0x00000001); | |
69 | dpms_state = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)); | |
70 | ||
71 | nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), | |
72 | 0x00150000 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); | |
73 | if (!nv_wait(NV50_PDISPLAY_DAC_DPMS_CTRL(or), | |
74 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) { | |
75 | NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or); | |
76 | NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or, | |
77 | nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or))); | |
78 | return status; | |
79 | } | |
80 | ||
81 | /* Use bios provided value if possible. */ | |
82 | if (dev_priv->vbios->dactestval) { | |
83 | load_pattern = dev_priv->vbios->dactestval; | |
ef2bb506 | 84 | NV_DEBUG_KMS(dev, "Using bios provided load_pattern of %d\n", |
6ee73861 BS |
85 | load_pattern); |
86 | } else { | |
87 | load_pattern = 340; | |
ef2bb506 | 88 | NV_DEBUG_KMS(dev, "Using default load_pattern of %d\n", |
6ee73861 BS |
89 | load_pattern); |
90 | } | |
91 | ||
92 | nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or), | |
93 | NV50_PDISPLAY_DAC_LOAD_CTRL_ACTIVE | load_pattern); | |
94 | mdelay(45); /* give it some time to process */ | |
95 | load_state = nv_rd32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or)); | |
96 | ||
97 | nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or), 0); | |
98 | nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), dpms_state | | |
99 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); | |
100 | ||
101 | if ((load_state & NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) == | |
102 | NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) | |
103 | status = connector_status_connected; | |
104 | ||
105 | if (status == connector_status_connected) | |
ef2bb506 | 106 | NV_DEBUG_KMS(dev, "Load was detected on output with or %d\n", or); |
6ee73861 | 107 | else |
ef2bb506 | 108 | NV_DEBUG_KMS(dev, "Load was not detected on output with or %d\n", or); |
6ee73861 BS |
109 | |
110 | return status; | |
111 | } | |
112 | ||
113 | static void | |
114 | nv50_dac_dpms(struct drm_encoder *encoder, int mode) | |
115 | { | |
116 | struct drm_device *dev = encoder->dev; | |
117 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
118 | uint32_t val; | |
119 | int or = nv_encoder->or; | |
120 | ||
ef2bb506 | 121 | NV_DEBUG_KMS(dev, "or %d mode %d\n", or, mode); |
6ee73861 BS |
122 | |
123 | /* wait for it to be done */ | |
124 | if (!nv_wait(NV50_PDISPLAY_DAC_DPMS_CTRL(or), | |
125 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) { | |
126 | NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or); | |
127 | NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or, | |
128 | nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or))); | |
129 | return; | |
130 | } | |
131 | ||
132 | val = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)) & ~0x7F; | |
133 | ||
134 | if (mode != DRM_MODE_DPMS_ON) | |
135 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED; | |
136 | ||
137 | switch (mode) { | |
138 | case DRM_MODE_DPMS_STANDBY: | |
139 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF; | |
140 | break; | |
141 | case DRM_MODE_DPMS_SUSPEND: | |
142 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF; | |
143 | break; | |
144 | case DRM_MODE_DPMS_OFF: | |
145 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_OFF; | |
146 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF; | |
147 | val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF; | |
148 | break; | |
149 | default: | |
150 | break; | |
151 | } | |
152 | ||
153 | nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val | | |
154 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING); | |
155 | } | |
156 | ||
157 | static void | |
158 | nv50_dac_save(struct drm_encoder *encoder) | |
159 | { | |
160 | NV_ERROR(encoder->dev, "!!\n"); | |
161 | } | |
162 | ||
163 | static void | |
164 | nv50_dac_restore(struct drm_encoder *encoder) | |
165 | { | |
166 | NV_ERROR(encoder->dev, "!!\n"); | |
167 | } | |
168 | ||
169 | static bool | |
170 | nv50_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, | |
171 | struct drm_display_mode *adjusted_mode) | |
172 | { | |
173 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
174 | struct nouveau_connector *connector; | |
175 | ||
ef2bb506 | 176 | NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or); |
6ee73861 BS |
177 | |
178 | connector = nouveau_encoder_connector_get(nv_encoder); | |
179 | if (!connector) { | |
180 | NV_ERROR(encoder->dev, "Encoder has no connector\n"); | |
181 | return false; | |
182 | } | |
183 | ||
184 | if (connector->scaling_mode != DRM_MODE_SCALE_NONE && | |
185 | connector->native_mode) { | |
186 | int id = adjusted_mode->base.id; | |
187 | *adjusted_mode = *connector->native_mode; | |
188 | adjusted_mode->base.id = id; | |
189 | } | |
190 | ||
191 | return true; | |
192 | } | |
193 | ||
194 | static void | |
195 | nv50_dac_prepare(struct drm_encoder *encoder) | |
196 | { | |
197 | } | |
198 | ||
199 | static void | |
200 | nv50_dac_commit(struct drm_encoder *encoder) | |
201 | { | |
202 | } | |
203 | ||
204 | static void | |
205 | nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, | |
206 | struct drm_display_mode *adjusted_mode) | |
207 | { | |
208 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
209 | struct drm_device *dev = encoder->dev; | |
210 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
211 | struct nouveau_channel *evo = dev_priv->evo; | |
212 | struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc); | |
213 | uint32_t mode_ctl = 0, mode_ctl2 = 0; | |
214 | int ret; | |
215 | ||
ef2bb506 | 216 | NV_DEBUG_KMS(dev, "or %d\n", nv_encoder->or); |
6ee73861 BS |
217 | |
218 | nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON); | |
219 | ||
220 | if (crtc->index == 1) | |
221 | mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC1; | |
222 | else | |
223 | mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC0; | |
224 | ||
225 | /* Lacking a working tv-out, this is not a 100% sure. */ | |
226 | if (nv_encoder->dcb->type == OUTPUT_ANALOG) | |
227 | mode_ctl |= 0x40; | |
228 | else | |
229 | if (nv_encoder->dcb->type == OUTPUT_TV) | |
230 | mode_ctl |= 0x100; | |
231 | ||
232 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) | |
233 | mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NHSYNC; | |
234 | ||
235 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) | |
236 | mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NVSYNC; | |
237 | ||
238 | ret = RING_SPACE(evo, 3); | |
239 | if (ret) { | |
240 | NV_ERROR(dev, "no space while connecting DAC\n"); | |
241 | return; | |
242 | } | |
243 | BEGIN_RING(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 2); | |
244 | OUT_RING(evo, mode_ctl); | |
245 | OUT_RING(evo, mode_ctl2); | |
246 | } | |
247 | ||
248 | static const struct drm_encoder_helper_funcs nv50_dac_helper_funcs = { | |
249 | .dpms = nv50_dac_dpms, | |
250 | .save = nv50_dac_save, | |
251 | .restore = nv50_dac_restore, | |
252 | .mode_fixup = nv50_dac_mode_fixup, | |
253 | .prepare = nv50_dac_prepare, | |
254 | .commit = nv50_dac_commit, | |
255 | .mode_set = nv50_dac_mode_set, | |
256 | .detect = nv50_dac_detect | |
257 | }; | |
258 | ||
259 | static void | |
260 | nv50_dac_destroy(struct drm_encoder *encoder) | |
261 | { | |
262 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
263 | ||
264 | if (!encoder) | |
265 | return; | |
266 | ||
ef2bb506 | 267 | NV_DEBUG_KMS(encoder->dev, "\n"); |
6ee73861 BS |
268 | |
269 | drm_encoder_cleanup(encoder); | |
270 | kfree(nv_encoder); | |
271 | } | |
272 | ||
273 | static const struct drm_encoder_funcs nv50_dac_encoder_funcs = { | |
274 | .destroy = nv50_dac_destroy, | |
275 | }; | |
276 | ||
277 | int | |
278 | nv50_dac_create(struct drm_device *dev, struct dcb_entry *entry) | |
279 | { | |
280 | struct nouveau_encoder *nv_encoder; | |
281 | struct drm_encoder *encoder; | |
282 | ||
ef2bb506 | 283 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
284 | NV_INFO(dev, "Detected a DAC output\n"); |
285 | ||
286 | nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); | |
287 | if (!nv_encoder) | |
288 | return -ENOMEM; | |
289 | encoder = to_drm_encoder(nv_encoder); | |
290 | ||
291 | nv_encoder->dcb = entry; | |
292 | nv_encoder->or = ffs(entry->or) - 1; | |
293 | ||
294 | nv_encoder->disconnect = nv50_dac_disconnect; | |
295 | ||
296 | drm_encoder_init(dev, encoder, &nv50_dac_encoder_funcs, | |
297 | DRM_MODE_ENCODER_DAC); | |
298 | drm_encoder_helper_add(encoder, &nv50_dac_helper_funcs); | |
299 | ||
300 | encoder->possible_crtcs = entry->heads; | |
301 | encoder->possible_clones = 0; | |
302 | return 0; | |
303 | } | |
304 |