blob: e395c16d30f548c29fe848f380019bf8f946ba3b [file] [log] [blame]
Ben Skeggs6ee73862009-12-11 19:24:15 +10001/*
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
39static void
40nv50_sor_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
Maarten Maathuisef2bb502009-12-13 16:53:12 +010047 NV_DEBUG_KMS(dev, "Disconnecting SOR %d\n", nv_encoder->or);
Ben Skeggs6ee73862009-12-11 19:24:15 +100048
49 ret = RING_SPACE(evo, 2);
50 if (ret) {
51 NV_ERROR(dev, "no space while disconnecting SOR\n");
52 return;
53 }
54 BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
55 OUT_RING(evo, 0);
56}
57
58static void
59nv50_sor_dp_link_train(struct drm_encoder *encoder)
60{
61 struct drm_device *dev = encoder->dev;
62 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
63 struct bit_displayport_encoder_table *dpe;
64 int dpe_headerlen;
65
66 dpe = nouveau_bios_dp_table(dev, nv_encoder->dcb, &dpe_headerlen);
67 if (!dpe) {
68 NV_ERROR(dev, "SOR-%d: no DP encoder table!\n", nv_encoder->or);
69 return;
70 }
71
72 if (dpe->script0) {
Maarten Maathuisef2bb502009-12-13 16:53:12 +010073 NV_DEBUG_KMS(dev, "SOR-%d: running DP script 0\n", nv_encoder->or);
Ben Skeggs6ee73862009-12-11 19:24:15 +100074 nouveau_bios_run_init_table(dev, le16_to_cpu(dpe->script0),
75 nv_encoder->dcb);
76 }
77
78 if (!nouveau_dp_link_train(encoder))
79 NV_ERROR(dev, "SOR-%d: link training failed\n", nv_encoder->or);
80
81 if (dpe->script1) {
Maarten Maathuisef2bb502009-12-13 16:53:12 +010082 NV_DEBUG_KMS(dev, "SOR-%d: running DP script 1\n", nv_encoder->or);
Ben Skeggs6ee73862009-12-11 19:24:15 +100083 nouveau_bios_run_init_table(dev, le16_to_cpu(dpe->script1),
84 nv_encoder->dcb);
85 }
86}
87
88static void
89nv50_sor_dpms(struct drm_encoder *encoder, int mode)
90{
91 struct drm_device *dev = encoder->dev;
92 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
93 uint32_t val;
94 int or = nv_encoder->or;
95
Maarten Maathuisef2bb502009-12-13 16:53:12 +010096 NV_DEBUG_KMS(dev, "or %d mode %d\n", or, mode);
Ben Skeggs6ee73862009-12-11 19:24:15 +100097
98 /* wait for it to be done */
99 if (!nv_wait(NV50_PDISPLAY_SOR_DPMS_CTRL(or),
100 NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) {
101 NV_ERROR(dev, "timeout: SOR_DPMS_CTRL_PENDING(%d) == 0\n", or);
102 NV_ERROR(dev, "SOR_DPMS_CTRL(%d) = 0x%08x\n", or,
103 nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or)));
104 }
105
106 val = nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or));
107
108 if (mode == DRM_MODE_DPMS_ON)
109 val |= NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
110 else
111 val &= ~NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
112
113 nv_wr32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or), val |
114 NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING);
115 if (!nv_wait(NV50_PDISPLAY_SOR_DPMS_STATE(or),
116 NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
117 NV_ERROR(dev, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", or);
118 NV_ERROR(dev, "SOR_DPMS_STATE(%d) = 0x%08x\n", or,
119 nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or)));
120 }
121
122 if (nv_encoder->dcb->type == OUTPUT_DP && mode == DRM_MODE_DPMS_ON)
123 nv50_sor_dp_link_train(encoder);
124}
125
126static void
127nv50_sor_save(struct drm_encoder *encoder)
128{
129 NV_ERROR(encoder->dev, "!!\n");
130}
131
132static void
133nv50_sor_restore(struct drm_encoder *encoder)
134{
135 NV_ERROR(encoder->dev, "!!\n");
136}
137
138static bool
139nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
140 struct drm_display_mode *adjusted_mode)
141{
142 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
143 struct nouveau_connector *connector;
144
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100145 NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000146
147 connector = nouveau_encoder_connector_get(nv_encoder);
148 if (!connector) {
149 NV_ERROR(encoder->dev, "Encoder has no connector\n");
150 return false;
151 }
152
153 if (connector->scaling_mode != DRM_MODE_SCALE_NONE &&
154 connector->native_mode) {
155 int id = adjusted_mode->base.id;
156 *adjusted_mode = *connector->native_mode;
157 adjusted_mode->base.id = id;
158 }
159
160 return true;
161}
162
163static void
164nv50_sor_prepare(struct drm_encoder *encoder)
165{
166}
167
168static void
169nv50_sor_commit(struct drm_encoder *encoder)
170{
171}
172
173static void
174nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
175 struct drm_display_mode *adjusted_mode)
176{
177 struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
178 struct nouveau_channel *evo = dev_priv->evo;
179 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
180 struct drm_device *dev = encoder->dev;
181 struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
182 uint32_t mode_ctl = 0;
183 int ret;
184
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100185 NV_DEBUG_KMS(dev, "or %d\n", nv_encoder->or);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000186
187 nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON);
188
189 switch (nv_encoder->dcb->type) {
190 case OUTPUT_TMDS:
191 if (nv_encoder->dcb->sorconf.link & 1) {
192 if (adjusted_mode->clock < 165000)
193 mode_ctl = 0x0100;
194 else
195 mode_ctl = 0x0500;
196 } else
197 mode_ctl = 0x0200;
198 break;
199 case OUTPUT_DP:
200 mode_ctl |= 0x00050000;
201 if (nv_encoder->dcb->sorconf.link & 1)
202 mode_ctl |= 0x00000800;
203 else
204 mode_ctl |= 0x00000900;
205 break;
206 default:
207 break;
208 }
209
210 if (crtc->index == 1)
211 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC1;
212 else
213 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC0;
214
215 if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
216 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NHSYNC;
217
218 if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
219 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NVSYNC;
220
221 ret = RING_SPACE(evo, 2);
222 if (ret) {
223 NV_ERROR(dev, "no space while connecting SOR\n");
224 return;
225 }
226 BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
227 OUT_RING(evo, mode_ctl);
228}
229
230static const struct drm_encoder_helper_funcs nv50_sor_helper_funcs = {
231 .dpms = nv50_sor_dpms,
232 .save = nv50_sor_save,
233 .restore = nv50_sor_restore,
234 .mode_fixup = nv50_sor_mode_fixup,
235 .prepare = nv50_sor_prepare,
236 .commit = nv50_sor_commit,
237 .mode_set = nv50_sor_mode_set,
238 .detect = NULL
239};
240
241static void
242nv50_sor_destroy(struct drm_encoder *encoder)
243{
244 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
245
246 if (!encoder)
247 return;
248
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100249 NV_DEBUG_KMS(encoder->dev, "\n");
Ben Skeggs6ee73862009-12-11 19:24:15 +1000250
251 drm_encoder_cleanup(encoder);
252
253 kfree(nv_encoder);
254}
255
256static const struct drm_encoder_funcs nv50_sor_encoder_funcs = {
257 .destroy = nv50_sor_destroy,
258};
259
260int
261nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry)
262{
263 struct nouveau_encoder *nv_encoder = NULL;
264 struct drm_encoder *encoder;
265 bool dum;
266 int type;
267
Maarten Maathuisef2bb502009-12-13 16:53:12 +0100268 NV_DEBUG_KMS(dev, "\n");
Ben Skeggs6ee73862009-12-11 19:24:15 +1000269
270 switch (entry->type) {
271 case OUTPUT_TMDS:
272 NV_INFO(dev, "Detected a TMDS output\n");
273 type = DRM_MODE_ENCODER_TMDS;
274 break;
275 case OUTPUT_LVDS:
276 NV_INFO(dev, "Detected a LVDS output\n");
277 type = DRM_MODE_ENCODER_LVDS;
278
279 if (nouveau_bios_parse_lvds_table(dev, 0, &dum, &dum)) {
280 NV_ERROR(dev, "Failed parsing LVDS table\n");
281 return -EINVAL;
282 }
283 break;
284 case OUTPUT_DP:
285 NV_INFO(dev, "Detected a DP output\n");
286 type = DRM_MODE_ENCODER_TMDS;
287 break;
288 default:
289 return -EINVAL;
290 }
291
292 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
293 if (!nv_encoder)
294 return -ENOMEM;
295 encoder = to_drm_encoder(nv_encoder);
296
297 nv_encoder->dcb = entry;
298 nv_encoder->or = ffs(entry->or) - 1;
299
300 nv_encoder->disconnect = nv50_sor_disconnect;
301
302 drm_encoder_init(dev, encoder, &nv50_sor_encoder_funcs, type);
303 drm_encoder_helper_add(encoder, &nv50_sor_helper_funcs);
304
305 encoder->possible_crtcs = entry->heads;
306 encoder->possible_clones = 0;
307
308 return 0;
309}