1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "rootnv50.h"
25 #include "channv50.h"
26 #include "dp.h"
27 #include "head.h"
28 #include "ior.h"
29
30 #include <core/client.h>
31
32 #include <nvif/class.h>
33 #include <nvif/cl5070.h>
34 #include <nvif/unpack.h>
35
36 static int
nv50_disp_root_mthd_(struct nvkm_object * object,u32 mthd,void * data,u32 size)37 nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
38 {
39 union {
40 struct nv50_disp_mthd_v0 v0;
41 struct nv50_disp_mthd_v1 v1;
42 } *args = data;
43 struct nv50_disp_root *root = nv50_disp_root(object);
44 struct nv50_disp *disp = root->disp;
45 struct nvkm_outp *temp, *outp = NULL;
46 struct nvkm_head *head;
47 u16 type, mask = 0;
48 int hidx, ret = -ENOSYS;
49
50 if (mthd != NV50_DISP_MTHD)
51 return -EINVAL;
52
53 nvif_ioctl(object, "disp mthd size %d\n", size);
54 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
55 nvif_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
56 args->v0.version, args->v0.method, args->v0.head);
57 mthd = args->v0.method;
58 hidx = args->v0.head;
59 } else
60 if (!(ret = nvif_unpack(ret, &data, &size, args->v1, 1, 1, true))) {
61 nvif_ioctl(object, "disp mthd vers %d mthd %02x "
62 "type %04x mask %04x\n",
63 args->v1.version, args->v1.method,
64 args->v1.hasht, args->v1.hashm);
65 mthd = args->v1.method;
66 type = args->v1.hasht;
67 mask = args->v1.hashm;
68 hidx = ffs((mask >> 8) & 0x0f) - 1;
69 } else
70 return ret;
71
72 if (!(head = nvkm_head_find(&disp->base, hidx)))
73 return -ENXIO;
74
75 if (mask) {
76 list_for_each_entry(temp, &disp->base.outp, head) {
77 if ((temp->info.hasht == type) &&
78 (temp->info.hashm & mask) == mask) {
79 outp = temp;
80 break;
81 }
82 }
83 if (outp == NULL)
84 return -ENXIO;
85 }
86
87 switch (mthd) {
88 case NV50_DISP_SCANOUTPOS: {
89 return nvkm_head_mthd_scanoutpos(object, head, data, size);
90 }
91 default:
92 break;
93 }
94
95 switch (mthd * !!outp) {
96 case NV50_DISP_MTHD_V1_ACQUIRE: {
97 union {
98 struct nv50_disp_acquire_v0 v0;
99 } *args = data;
100 int ret = -ENOSYS;
101 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
102 ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER);
103 if (ret == 0) {
104 args->v0.or = outp->ior->id;
105 args->v0.link = outp->ior->asy.link;
106 }
107 }
108 return ret;
109 }
110 break;
111 case NV50_DISP_MTHD_V1_RELEASE:
112 nvkm_outp_release(outp, NVKM_OUTP_USER);
113 return 0;
114 case NV50_DISP_MTHD_V1_DAC_LOAD: {
115 union {
116 struct nv50_disp_dac_load_v0 v0;
117 } *args = data;
118 int ret = -ENOSYS;
119 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
120 if (args->v0.data & 0xfff00000)
121 return -EINVAL;
122 ret = nvkm_outp_acquire(outp, NVKM_OUTP_PRIV);
123 if (ret)
124 return ret;
125 ret = outp->ior->func->sense(outp->ior, args->v0.data);
126 nvkm_outp_release(outp, NVKM_OUTP_PRIV);
127 if (ret < 0)
128 return ret;
129 args->v0.load = ret;
130 return 0;
131 } else
132 return ret;
133 }
134 break;
135 case NV50_DISP_MTHD_V1_SOR_HDA_ELD: {
136 union {
137 struct nv50_disp_sor_hda_eld_v0 v0;
138 } *args = data;
139 struct nvkm_ior *ior = outp->ior;
140 int ret = -ENOSYS;
141
142 nvif_ioctl(object, "disp sor hda eld size %d\n", size);
143 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
144 nvif_ioctl(object, "disp sor hda eld vers %d\n",
145 args->v0.version);
146 if (size > 0x60)
147 return -E2BIG;
148 } else
149 return ret;
150
151 if (!ior->func->hda.hpd)
152 return -ENODEV;
153
154 if (size && args->v0.data[0]) {
155 if (outp->info.type == DCB_OUTPUT_DP)
156 ior->func->dp.audio(ior, hidx, true);
157 ior->func->hda.hpd(ior, hidx, true);
158 ior->func->hda.eld(ior, data, size);
159 } else {
160 if (outp->info.type == DCB_OUTPUT_DP)
161 ior->func->dp.audio(ior, hidx, false);
162 ior->func->hda.hpd(ior, hidx, false);
163 }
164
165 return 0;
166 }
167 break;
168 case NV50_DISP_MTHD_V1_SOR_HDMI_PWR: {
169 union {
170 struct nv50_disp_sor_hdmi_pwr_v0 v0;
171 } *args = data;
172 u8 *vendor, vendor_size;
173 u8 *avi, avi_size;
174 int ret = -ENOSYS;
175
176 nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
177 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
178 nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
179 "max_ac_packet %d rekey %d scdc %d\n",
180 args->v0.version, args->v0.state,
181 args->v0.max_ac_packet, args->v0.rekey,
182 args->v0.scdc);
183 if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
184 return -EINVAL;
185 if ((args->v0.avi_infoframe_length
186 + args->v0.vendor_infoframe_length) > size)
187 return -EINVAL;
188 else
189 if ((args->v0.avi_infoframe_length
190 + args->v0.vendor_infoframe_length) < size)
191 return -E2BIG;
192 avi = data;
193 avi_size = args->v0.avi_infoframe_length;
194 vendor = avi + avi_size;
195 vendor_size = args->v0.vendor_infoframe_length;
196 } else
197 return ret;
198
199 if (!outp->ior->func->hdmi.ctrl)
200 return -ENODEV;
201
202 outp->ior->func->hdmi.ctrl(outp->ior, hidx, args->v0.state,
203 args->v0.max_ac_packet,
204 args->v0.rekey, avi, avi_size,
205 vendor, vendor_size);
206
207 if (outp->ior->func->hdmi.scdc)
208 outp->ior->func->hdmi.scdc(
209 outp->ior, hidx, args->v0.scdc);
210
211 return 0;
212 }
213 break;
214 case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: {
215 union {
216 struct nv50_disp_sor_lvds_script_v0 v0;
217 } *args = data;
218 int ret = -ENOSYS;
219 nvif_ioctl(object, "disp sor lvds script size %d\n", size);
220 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
221 nvif_ioctl(object, "disp sor lvds script "
222 "vers %d name %04x\n",
223 args->v0.version, args->v0.script);
224 disp->sor.lvdsconf = args->v0.script;
225 return 0;
226 } else
227 return ret;
228 }
229 break;
230 case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
231 struct nvkm_dp *dp = nvkm_dp(outp);
232 union {
233 struct nv50_disp_sor_dp_mst_link_v0 v0;
234 } *args = data;
235 int ret = -ENOSYS;
236 nvif_ioctl(object, "disp sor dp mst link size %d\n", size);
237 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
238 nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n",
239 args->v0.version, args->v0.state);
240 dp->lt.mst = !!args->v0.state;
241 return 0;
242 } else
243 return ret;
244 }
245 break;
246 case NV50_DISP_MTHD_V1_SOR_DP_MST_VCPI: {
247 union {
248 struct nv50_disp_sor_dp_mst_vcpi_v0 v0;
249 } *args = data;
250 int ret = -ENOSYS;
251 nvif_ioctl(object, "disp sor dp mst vcpi size %d\n", size);
252 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
253 nvif_ioctl(object, "disp sor dp mst vcpi vers %d "
254 "slot %02x/%02x pbn %04x/%04x\n",
255 args->v0.version, args->v0.start_slot,
256 args->v0.num_slots, args->v0.pbn,
257 args->v0.aligned_pbn);
258 if (!outp->ior->func->dp.vcpi)
259 return -ENODEV;
260 outp->ior->func->dp.vcpi(outp->ior, hidx,
261 args->v0.start_slot,
262 args->v0.num_slots,
263 args->v0.pbn,
264 args->v0.aligned_pbn);
265 return 0;
266 } else
267 return ret;
268 }
269 break;
270 default:
271 break;
272 }
273
274 return -EINVAL;
275 }
276
277 static int
nv50_disp_root_child_new_(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)278 nv50_disp_root_child_new_(const struct nvkm_oclass *oclass,
279 void *argv, u32 argc, struct nvkm_object **pobject)
280 {
281 struct nv50_disp *disp = nv50_disp_root(oclass->parent)->disp;
282 const struct nv50_disp_user *user = oclass->priv;
283 return user->ctor(oclass, argv, argc, disp, pobject);
284 }
285
286 static int
nv50_disp_root_child_get_(struct nvkm_object * object,int index,struct nvkm_oclass * sclass)287 nv50_disp_root_child_get_(struct nvkm_object *object, int index,
288 struct nvkm_oclass *sclass)
289 {
290 struct nv50_disp_root *root = nv50_disp_root(object);
291
292 if (root->func->user[index].ctor) {
293 sclass->base = root->func->user[index].base;
294 sclass->priv = root->func->user + index;
295 sclass->ctor = nv50_disp_root_child_new_;
296 return 0;
297 }
298
299 return -EINVAL;
300 }
301
302 static void *
nv50_disp_root_dtor_(struct nvkm_object * object)303 nv50_disp_root_dtor_(struct nvkm_object *object)
304 {
305 struct nv50_disp_root *root = nv50_disp_root(object);
306 return root;
307 }
308
309 static const struct nvkm_object_func
310 nv50_disp_root_ = {
311 .dtor = nv50_disp_root_dtor_,
312 .mthd = nv50_disp_root_mthd_,
313 .ntfy = nvkm_disp_ntfy,
314 .sclass = nv50_disp_root_child_get_,
315 };
316
317 int
nv50_disp_root_new_(const struct nv50_disp_root_func * func,struct nvkm_disp * base,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)318 nv50_disp_root_new_(const struct nv50_disp_root_func *func,
319 struct nvkm_disp *base, const struct nvkm_oclass *oclass,
320 void *data, u32 size, struct nvkm_object **pobject)
321 {
322 struct nv50_disp *disp = nv50_disp(base);
323 struct nv50_disp_root *root;
324
325 if (!(root = kzalloc(sizeof(*root), GFP_KERNEL)))
326 return -ENOMEM;
327 *pobject = &root->object;
328
329 nvkm_object_ctor(&nv50_disp_root_, oclass, &root->object);
330 root->func = func;
331 root->disp = disp;
332 return 0;
333 }
334
335 static const struct nv50_disp_root_func
336 nv50_disp_root = {
337 .user = {
338 {{0,0,NV50_DISP_CURSOR }, nv50_disp_curs_new },
339 {{0,0,NV50_DISP_OVERLAY }, nv50_disp_oimm_new },
340 {{0,0,NV50_DISP_BASE_CHANNEL_DMA }, nv50_disp_base_new },
341 {{0,0,NV50_DISP_CORE_CHANNEL_DMA }, nv50_disp_core_new },
342 {{0,0,NV50_DISP_OVERLAY_CHANNEL_DMA}, nv50_disp_ovly_new },
343 {}
344 },
345 };
346
347 static int
nv50_disp_root_new(struct nvkm_disp * disp,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)348 nv50_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
349 void *data, u32 size, struct nvkm_object **pobject)
350 {
351 return nv50_disp_root_new_(&nv50_disp_root, disp, oclass,
352 data, size, pobject);
353 }
354
355 const struct nvkm_disp_oclass
356 nv50_disp_root_oclass = {
357 .base.oclass = NV50_DISP,
358 .base.minver = -1,
359 .base.maxver = -1,
360 .ctor = nv50_disp_root_new,
361 };
362