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\n",
180 args->v0.version, args->v0.state,
181 args->v0.max_ac_packet, args->v0.rekey);
182 if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
183 return -EINVAL;
184 if ((args->v0.avi_infoframe_length
185 + args->v0.vendor_infoframe_length) > size)
186 return -EINVAL;
187 else
188 if ((args->v0.avi_infoframe_length
189 + args->v0.vendor_infoframe_length) < size)
190 return -E2BIG;
191 avi = data;
192 avi_size = args->v0.avi_infoframe_length;
193 vendor = avi + avi_size;
194 vendor_size = args->v0.vendor_infoframe_length;
195 } else
196 return ret;
197
198 if (!outp->ior->func->hdmi.ctrl)
199 return -ENODEV;
200
201 outp->ior->func->hdmi.ctrl(outp->ior, hidx, args->v0.state,
202 args->v0.max_ac_packet,
203 args->v0.rekey, avi, avi_size,
204 vendor, vendor_size);
205 return 0;
206 }
207 break;
208 case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: {
209 union {
210 struct nv50_disp_sor_lvds_script_v0 v0;
211 } *args = data;
212 int ret = -ENOSYS;
213 nvif_ioctl(object, "disp sor lvds script size %d\n", size);
214 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
215 nvif_ioctl(object, "disp sor lvds script "
216 "vers %d name %04x\n",
217 args->v0.version, args->v0.script);
218 disp->sor.lvdsconf = args->v0.script;
219 return 0;
220 } else
221 return ret;
222 }
223 break;
224 case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
225 struct nvkm_dp *dp = nvkm_dp(outp);
226 union {
227 struct nv50_disp_sor_dp_mst_link_v0 v0;
228 } *args = data;
229 int ret = -ENOSYS;
230 nvif_ioctl(object, "disp sor dp mst link size %d\n", size);
231 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
232 nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n",
233 args->v0.version, args->v0.state);
234 dp->lt.mst = !!args->v0.state;
235 return 0;
236 } else
237 return ret;
238 }
239 break;
240 case NV50_DISP_MTHD_V1_SOR_DP_MST_VCPI: {
241 union {
242 struct nv50_disp_sor_dp_mst_vcpi_v0 v0;
243 } *args = data;
244 int ret = -ENOSYS;
245 nvif_ioctl(object, "disp sor dp mst vcpi size %d\n", size);
246 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
247 nvif_ioctl(object, "disp sor dp mst vcpi vers %d "
248 "slot %02x/%02x pbn %04x/%04x\n",
249 args->v0.version, args->v0.start_slot,
250 args->v0.num_slots, args->v0.pbn,
251 args->v0.aligned_pbn);
252 if (!outp->ior->func->dp.vcpi)
253 return -ENODEV;
254 outp->ior->func->dp.vcpi(outp->ior, hidx,
255 args->v0.start_slot,
256 args->v0.num_slots,
257 args->v0.pbn,
258 args->v0.aligned_pbn);
259 return 0;
260 } else
261 return ret;
262 }
263 break;
264 default:
265 break;
266 }
267
268 return -EINVAL;
269 }
270
271 static int
nv50_disp_root_child_new_(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)272 nv50_disp_root_child_new_(const struct nvkm_oclass *oclass,
273 void *argv, u32 argc, struct nvkm_object **pobject)
274 {
275 struct nv50_disp *disp = nv50_disp_root(oclass->parent)->disp;
276 const struct nv50_disp_user *user = oclass->priv;
277 return user->ctor(oclass, argv, argc, disp, pobject);
278 }
279
280 static int
nv50_disp_root_child_get_(struct nvkm_object * object,int index,struct nvkm_oclass * sclass)281 nv50_disp_root_child_get_(struct nvkm_object *object, int index,
282 struct nvkm_oclass *sclass)
283 {
284 struct nv50_disp_root *root = nv50_disp_root(object);
285
286 if (root->func->user[index].ctor) {
287 sclass->base = root->func->user[index].base;
288 sclass->priv = root->func->user + index;
289 sclass->ctor = nv50_disp_root_child_new_;
290 return 0;
291 }
292
293 return -EINVAL;
294 }
295
296 static void *
nv50_disp_root_dtor_(struct nvkm_object * object)297 nv50_disp_root_dtor_(struct nvkm_object *object)
298 {
299 struct nv50_disp_root *root = nv50_disp_root(object);
300 return root;
301 }
302
303 static const struct nvkm_object_func
304 nv50_disp_root_ = {
305 .dtor = nv50_disp_root_dtor_,
306 .mthd = nv50_disp_root_mthd_,
307 .ntfy = nvkm_disp_ntfy,
308 .sclass = nv50_disp_root_child_get_,
309 };
310
311 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)312 nv50_disp_root_new_(const struct nv50_disp_root_func *func,
313 struct nvkm_disp *base, const struct nvkm_oclass *oclass,
314 void *data, u32 size, struct nvkm_object **pobject)
315 {
316 struct nv50_disp *disp = nv50_disp(base);
317 struct nv50_disp_root *root;
318
319 if (!(root = kzalloc(sizeof(*root), GFP_KERNEL)))
320 return -ENOMEM;
321 *pobject = &root->object;
322
323 nvkm_object_ctor(&nv50_disp_root_, oclass, &root->object);
324 root->func = func;
325 root->disp = disp;
326 return 0;
327 }
328
329 static const struct nv50_disp_root_func
330 nv50_disp_root = {
331 .user = {
332 {{0,0,NV50_DISP_CURSOR }, nv50_disp_curs_new },
333 {{0,0,NV50_DISP_OVERLAY }, nv50_disp_oimm_new },
334 {{0,0,NV50_DISP_BASE_CHANNEL_DMA }, nv50_disp_base_new },
335 {{0,0,NV50_DISP_CORE_CHANNEL_DMA }, nv50_disp_core_new },
336 {{0,0,NV50_DISP_OVERLAY_CHANNEL_DMA}, nv50_disp_ovly_new },
337 {}
338 },
339 };
340
341 static int
nv50_disp_root_new(struct nvkm_disp * disp,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)342 nv50_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
343 void *data, u32 size, struct nvkm_object **pobject)
344 {
345 return nv50_disp_root_new_(&nv50_disp_root, disp, oclass,
346 data, size, pobject);
347 }
348
349 const struct nvkm_disp_oclass
350 nv50_disp_root_oclass = {
351 .base.oclass = NV50_DISP,
352 .base.minver = -1,
353 .base.maxver = -1,
354 .ctor = nv50_disp_root_new,
355 };
356
