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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
39static void
40nv50_sor_disconnect(struct drm_encoder *encoder)
41{
42 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
43 struct drm_device *dev = encoder->dev;
44 struct nouveau_channel *evo = nv50_display(dev)->master;
45 int ret;
46
47 if (!nv_encoder->crtc)
48 return;
49 nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true);
50
51 NV_DEBUG_KMS(dev, "Disconnecting SOR %d\n", nv_encoder->or);
52
53 ret = RING_SPACE(evo, 4);
54 if (ret) {
55 NV_ERROR(dev, "no space while disconnecting SOR\n");
56 return;
57 }
58 BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
59 OUT_RING (evo, 0);
60 BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
61 OUT_RING (evo, 0);
62
63 nv_encoder->crtc = NULL;
64 nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
65}
66
67static void
68nv50_sor_dpms(struct drm_encoder *encoder, int mode)
69{
70 struct drm_device *dev = encoder->dev;
71 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
72 struct drm_encoder *enc;
73 uint32_t val;
74 int or = nv_encoder->or;
75
76 NV_DEBUG_KMS(dev, "or %d type %d mode %d\n", or, nv_encoder->dcb->type, mode);
77
78 nv_encoder->last_dpms = mode;
79 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
80 struct nouveau_encoder *nvenc = nouveau_encoder(enc);
81
82 if (nvenc == nv_encoder ||
83 (nvenc->dcb->type != OUTPUT_TMDS &&
84 nvenc->dcb->type != OUTPUT_LVDS &&
85 nvenc->dcb->type != OUTPUT_DP) ||
86 nvenc->dcb->or != nv_encoder->dcb->or)
87 continue;
88
89 if (nvenc->last_dpms == DRM_MODE_DPMS_ON)
90 return;
91 }
92
93 /* wait for it to be done */
94 if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or),
95 NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) {
96 NV_ERROR(dev, "timeout: SOR_DPMS_CTRL_PENDING(%d) == 0\n", or);
97 NV_ERROR(dev, "SOR_DPMS_CTRL(%d) = 0x%08x\n", or,
98 nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or)));
99 }
100
101 val = nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or));
102
103 if (mode == DRM_MODE_DPMS_ON)
104 val |= NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
105 else
106 val &= ~NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
107
108 nv_wr32(dev, NV50_PDISPLAY_SOR_DPMS_CTRL(or), val |
109 NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING);
110 if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or),
111 NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
112 NV_ERROR(dev, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", or);
113 NV_ERROR(dev, "SOR_DPMS_STATE(%d) = 0x%08x\n", or,
114 nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or)));
115 }
116
117 if (nv_encoder->dcb->type == OUTPUT_DP) {
118 struct nouveau_i2c_chan *auxch;
119
120 auxch = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
121 if (!auxch)
122 return;
123
124 if (mode == DRM_MODE_DPMS_ON) {
125 u8 status = DP_SET_POWER_D0;
126 nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1);
127 nouveau_dp_link_train(encoder);
128 } else {
129 u8 status = DP_SET_POWER_D3;
130 nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1);
131 }
132 }
133}
134
135static void
136nv50_sor_save(struct drm_encoder *encoder)
137{
138 NV_ERROR(encoder->dev, "!!\n");
139}
140
141static void
142nv50_sor_restore(struct drm_encoder *encoder)
143{
144 NV_ERROR(encoder->dev, "!!\n");
145}
146
147static bool
148nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
149 struct drm_display_mode *adjusted_mode)
150{
151 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
152 struct nouveau_connector *connector;
153
154 NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or);
155
156 connector = nouveau_encoder_connector_get(nv_encoder);
157 if (!connector) {
158 NV_ERROR(encoder->dev, "Encoder has no connector\n");
159 return false;
160 }
161
162 if (connector->scaling_mode != DRM_MODE_SCALE_NONE &&
163 connector->native_mode) {
164 int id = adjusted_mode->base.id;
165 *adjusted_mode = *connector->native_mode;
166 adjusted_mode->base.id = id;
167 }
168
169 return true;
170}
171
172static void
173nv50_sor_prepare(struct drm_encoder *encoder)
174{
175}
176
177static void
178nv50_sor_commit(struct drm_encoder *encoder)
179{
180}
181
182static void
183nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
184 struct drm_display_mode *adjusted_mode)
185{
186 struct nouveau_channel *evo = nv50_display(encoder->dev)->master;
187 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
188 struct drm_device *dev = encoder->dev;
189 struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
190 uint32_t mode_ctl = 0;
191 int ret;
192
193 NV_DEBUG_KMS(dev, "or %d type %d -> crtc %d\n",
194 nv_encoder->or, nv_encoder->dcb->type, crtc->index);
195
196 nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON);
197
198 switch (nv_encoder->dcb->type) {
199 case OUTPUT_TMDS:
200 if (nv_encoder->dcb->sorconf.link & 1) {
201 if (adjusted_mode->clock < 165000)
202 mode_ctl = 0x0100;
203 else
204 mode_ctl = 0x0500;
205 } else
206 mode_ctl = 0x0200;
207 break;
208 case OUTPUT_DP:
209 mode_ctl |= (nv_encoder->dp.mc_unknown << 16);
210 if (nv_encoder->dcb->sorconf.link & 1)
211 mode_ctl |= 0x00000800;
212 else
213 mode_ctl |= 0x00000900;
214 break;
215 default:
216 break;
217 }
218
219 if (crtc->index == 1)
220 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC1;
221 else
222 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC0;
223
224 if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
225 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NHSYNC;
226
227 if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
228 mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NVSYNC;
229
230 ret = RING_SPACE(evo, 2);
231 if (ret) {
232 NV_ERROR(dev, "no space while connecting SOR\n");
233 return;
234 }
235 BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
236 OUT_RING(evo, mode_ctl);
237
238 nv_encoder->crtc = encoder->crtc;
239}
240
241static struct drm_crtc *
242nv50_sor_crtc_get(struct drm_encoder *encoder)
243{
244 return nouveau_encoder(encoder)->crtc;
245}
246
247static const struct drm_encoder_helper_funcs nv50_sor_helper_funcs = {
248 .dpms = nv50_sor_dpms,
249 .save = nv50_sor_save,
250 .restore = nv50_sor_restore,
251 .mode_fixup = nv50_sor_mode_fixup,
252 .prepare = nv50_sor_prepare,
253 .commit = nv50_sor_commit,
254 .mode_set = nv50_sor_mode_set,
255 .get_crtc = nv50_sor_crtc_get,
256 .detect = NULL,
257 .disable = nv50_sor_disconnect
258};
259
260static void
261nv50_sor_destroy(struct drm_encoder *encoder)
262{
263 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
264
265 if (!encoder)
266 return;
267
268 NV_DEBUG_KMS(encoder->dev, "\n");
269
270 drm_encoder_cleanup(encoder);
271
272 kfree(nv_encoder);
273}
274
275static const struct drm_encoder_funcs nv50_sor_encoder_funcs = {
276 .destroy = nv50_sor_destroy,
277};
278
279int
280nv50_sor_create(struct drm_connector *connector, struct dcb_entry *entry)
281{
282 struct nouveau_encoder *nv_encoder = NULL;
283 struct drm_device *dev = connector->dev;
284 struct drm_encoder *encoder;
285 int type;
286
287 NV_DEBUG_KMS(dev, "\n");
288
289 switch (entry->type) {
290 case OUTPUT_TMDS:
291 case OUTPUT_DP:
292 type = DRM_MODE_ENCODER_TMDS;
293 break;
294 case OUTPUT_LVDS:
295 type = DRM_MODE_ENCODER_LVDS;
296 break;
297 default:
298 return -EINVAL;
299 }
300
301 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
302 if (!nv_encoder)
303 return -ENOMEM;
304 encoder = to_drm_encoder(nv_encoder);
305
306 nv_encoder->dcb = entry;
307 nv_encoder->or = ffs(entry->or) - 1;
308 nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
309
310 drm_encoder_init(dev, encoder, &nv50_sor_encoder_funcs, type);
311 drm_encoder_helper_add(encoder, &nv50_sor_helper_funcs);
312
313 encoder->possible_crtcs = entry->heads;
314 encoder->possible_clones = 0;
315
316 if (nv_encoder->dcb->type == OUTPUT_DP) {
317 int or = nv_encoder->or, link = !(entry->dpconf.sor.link & 1);
318 uint32_t tmp;
319
320 tmp = nv_rd32(dev, 0x61c700 + (or * 0x800));
321 if (!tmp)
322 tmp = nv_rd32(dev, 0x610798 + (or * 8));
323
324 switch ((tmp & 0x00000f00) >> 8) {
325 case 8:
326 case 9:
327 nv_encoder->dp.mc_unknown = (tmp & 0x000f0000) >> 16;
328 tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
329 nv_encoder->dp.unk0 = tmp & 0x000001fc;
330 tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
331 nv_encoder->dp.unk1 = tmp & 0x010f7f3f;
332 break;
333 default:
334 break;
335 }
336
337 if (!nv_encoder->dp.mc_unknown)
338 nv_encoder->dp.mc_unknown = 5;
339 }
340
341 drm_mode_connector_attach_encoder(connector, encoder);
342 return 0;
343}