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, args->v0.hda);
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, false);
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, hidx, 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(outp->ior, args->v0.scdc);
209
210 return 0;
211 }
212 break;
213 case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: {
214 union {
215 struct nv50_disp_sor_lvds_script_v0 v0;
216 } *args = data;
217 int ret = -ENOSYS;
218 nvif_ioctl(object, "disp sor lvds script size %d\n", size);
219 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
220 nvif_ioctl(object, "disp sor lvds script "
221 "vers %d name %04x\n",
222 args->v0.version, args->v0.script);
223 disp->sor.lvdsconf = args->v0.script;
224 return 0;
225 } else
226 return ret;
227 }
228 break;
229 case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
230 struct nvkm_dp *dp = nvkm_dp(outp);
231 union {
232 struct nv50_disp_sor_dp_mst_link_v0 v0;
233 } *args = data;
234 int ret = -ENOSYS;
235 nvif_ioctl(object, "disp sor dp mst link size %d\n", size);
236 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
237 nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n",
238 args->v0.version, args->v0.state);
239 dp->lt.mst = !!args->v0.state;
240 return 0;
241 } else
242 return ret;
243 }
244 break;
245 case NV50_DISP_MTHD_V1_SOR_DP_MST_VCPI: {
246 union {
247 struct nv50_disp_sor_dp_mst_vcpi_v0 v0;
248 } *args = data;
249 int ret = -ENOSYS;
250 nvif_ioctl(object, "disp sor dp mst vcpi size %d\n", size);
251 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
252 nvif_ioctl(object, "disp sor dp mst vcpi vers %d "
253 "slot %02x/%02x pbn %04x/%04x\n",
254 args->v0.version, args->v0.start_slot,
255 args->v0.num_slots, args->v0.pbn,
256 args->v0.aligned_pbn);
257 if (!outp->ior->func->dp.vcpi)
258 return -ENODEV;
259 outp->ior->func->dp.vcpi(outp->ior, hidx,
260 args->v0.start_slot,
261 args->v0.num_slots,
262 args->v0.pbn,
263 args->v0.aligned_pbn);
264 return 0;
265 } else
266 return ret;
267 }
268 break;
269 default:
270 break;
271 }
272
273 return -EINVAL;
274 }
275
276 static int
nv50_disp_root_child_new_(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)277 nv50_disp_root_child_new_(const struct nvkm_oclass *oclass,
278 void *argv, u32 argc, struct nvkm_object **pobject)
279 {
280 struct nv50_disp *disp = nv50_disp_root(oclass->parent)->disp;
281 const struct nv50_disp_user *user = oclass->priv;
282 return user->ctor(oclass, argv, argc, disp, pobject);
283 }
284
285 static int
nv50_disp_root_child_get_(struct nvkm_object * object,int index,struct nvkm_oclass * sclass)286 nv50_disp_root_child_get_(struct nvkm_object *object, int index,
287 struct nvkm_oclass *sclass)
288 {
289 struct nv50_disp_root *root = nv50_disp_root(object);
290
291 if (root->func->user[index].ctor) {
292 sclass->base = root->func->user[index].base;
293 sclass->priv = root->func->user + index;
294 sclass->ctor = nv50_disp_root_child_new_;
295 return 0;
296 }
297
298 return -EINVAL;
299 }
300
301 static void *
nv50_disp_root_dtor_(struct nvkm_object * object)302 nv50_disp_root_dtor_(struct nvkm_object *object)
303 {
304 struct nv50_disp_root *root = nv50_disp_root(object);
305 return root;
306 }
307
308 static const struct nvkm_object_func
309 nv50_disp_root_ = {
310 .dtor = nv50_disp_root_dtor_,
311 .mthd = nv50_disp_root_mthd_,
312 .ntfy = nvkm_disp_ntfy,
313 .sclass = nv50_disp_root_child_get_,
314 };
315
316 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)317 nv50_disp_root_new_(const struct nv50_disp_root_func *func,
318 struct nvkm_disp *base, const struct nvkm_oclass *oclass,
319 void *data, u32 size, struct nvkm_object **pobject)
320 {
321 struct nv50_disp *disp = nv50_disp(base);
322 struct nv50_disp_root *root;
323
324 if (!(root = kzalloc(sizeof(*root), GFP_KERNEL)))
325 return -ENOMEM;
326 *pobject = &root->object;
327
328 nvkm_object_ctor(&nv50_disp_root_, oclass, &root->object);
329 root->func = func;
330 root->disp = disp;
331 return 0;
332 }
333
334 static const struct nv50_disp_root_func
335 nv50_disp_root = {
336 .user = {
337 {{0,0,NV50_DISP_CURSOR }, nv50_disp_curs_new },
338 {{0,0,NV50_DISP_OVERLAY }, nv50_disp_oimm_new },
339 {{0,0,NV50_DISP_BASE_CHANNEL_DMA }, nv50_disp_base_new },
340 {{0,0,NV50_DISP_CORE_CHANNEL_DMA }, nv50_disp_core_new },
341 {{0,0,NV50_DISP_OVERLAY_CHANNEL_DMA}, nv50_disp_ovly_new },
342 {}
343 },
344 };
345
346 static int
nv50_disp_root_new(struct nvkm_disp * disp,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)347 nv50_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
348 void *data, u32 size, struct nvkm_object **pobject)
349 {
350 return nv50_disp_root_new_(&nv50_disp_root, disp, oclass,
351 data, size, pobject);
352 }
353
354 const struct nvkm_disp_oclass
355 nv50_disp_root_oclass = {
356 .base.oclass = NV50_DISP,
357 .base.minver = -1,
358 .base.maxver = -1,
359 .ctor = nv50_disp_root_new,
360 };
361