1/*
2 * Copyright 2021 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#include <nvif/outp.h>
23#include <nvif/disp.h>
24#include <nvif/printf.h>
25
26#include <nvif/class.h>
27
28int
29nvif_outp_dp_mst_vcpi(struct nvif_outp *outp, int head,
30		      u8 start_slot, u8 num_slots, u16 pbn, u16 aligned_pbn)
31{
32	struct nvif_outp_dp_mst_vcpi_v0 args;
33	int ret;
34
35	args.version = 0;
36	args.head = head;
37	args.start_slot = start_slot;
38	args.num_slots = num_slots;
39	args.pbn = pbn;
40	args.aligned_pbn = aligned_pbn;
41
42	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_MST_VCPI, &args, sizeof(args));
43	NVIF_ERRON(ret, &outp->object,
44		   "[DP_MST_VCPI head:%d start_slot:%02x num_slots:%02x pbn:%04x aligned_pbn:%04x]",
45		   args.head, args.start_slot, args.num_slots, args.pbn, args.aligned_pbn);
46	return ret;
47}
48
49int
50nvif_outp_dp_retrain(struct nvif_outp *outp)
51{
52	int ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_RETRAIN, NULL, 0);
53	NVIF_ERRON(ret, &outp->object, "[DP_RETRAIN]");
54	return ret;
55}
56
57int
58nvif_outp_dp_aux_pwr(struct nvif_outp *outp, bool enable)
59{
60	struct nvif_outp_dp_aux_pwr_v0 args;
61	int ret;
62
63	args.version = 0;
64	args.state = enable;
65
66	ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_DP_AUX_PWR, &args, sizeof(args));
67	NVIF_ERRON(ret, &outp->object, "[DP_AUX_PWR state:%d]", args.state);
68	return ret;
69}
70
71int
72nvif_outp_hda_eld(struct nvif_outp *outp, int head, void *data, u32 size)
73{
74	struct {
75		struct nvif_outp_hda_eld_v0 mthd;
76		u8 data[128];
77	} args;
78	int ret;
79
80	if (WARN_ON(size > ARRAY_SIZE(args.data)))
81		return -EINVAL;
82
83	args.mthd.version = 0;
84	args.mthd.head = head;
85
86	memcpy(args.data, data, size);
87	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_HDA_ELD, &args, sizeof(args.mthd) + size);
88	NVIF_ERRON(ret, &outp->object, "[HDA_ELD head:%d size:%d]", head, size);
89	return ret;
90}
91
92int
93nvif_outp_infoframe(struct nvif_outp *outp, u8 type, struct nvif_outp_infoframe_v0 *args, u32 size)
94{
95	int ret;
96
97	args->type = type;
98
99	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_INFOFRAME, args, sizeof(*args) + size);
100	NVIF_ERRON(ret, &outp->object, "[INFOFRAME type:%d size:%d]", type, size);
101	return ret;
102}
103
104void
105nvif_outp_release(struct nvif_outp *outp)
106{
107	int ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_RELEASE, NULL, 0);
108	NVIF_ERRON(ret, &outp->object, "[RELEASE]");
109	outp->or.id = -1;
110}
111
112static inline int
113nvif_outp_acquire(struct nvif_outp *outp, u8 proto, struct nvif_outp_acquire_v0 *args)
114{
115	int ret;
116
117	args->version = 0;
118	args->proto = proto;
119
120	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_ACQUIRE, args, sizeof(*args));
121	if (ret)
122		return ret;
123
124	outp->or.id = args->or;
125	outp->or.link = args->link;
126	return 0;
127}
128
129int
130nvif_outp_acquire_dp(struct nvif_outp *outp, u8 dpcd[DP_RECEIVER_CAP_SIZE],
131		     int link_nr, int link_bw, bool hda, bool mst)
132{
133	struct nvif_outp_acquire_v0 args;
134	int ret;
135
136	args.dp.link_nr = link_nr;
137	args.dp.link_bw = link_bw;
138	args.dp.hda = hda;
139	args.dp.mst = mst;
140	memcpy(args.dp.dpcd, dpcd, sizeof(args.dp.dpcd));
141
142	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_DP, &args);
143	NVIF_ERRON(ret, &outp->object,
144		   "[ACQUIRE proto:DP link_nr:%d link_bw:%02x hda:%d mst:%d] or:%d link:%d",
145		   args.dp.link_nr, args.dp.link_bw, args.dp.hda, args.dp.mst, args.or, args.link);
146	return ret;
147}
148
149int
150nvif_outp_acquire_lvds(struct nvif_outp *outp, bool dual, bool bpc8)
151{
152	struct nvif_outp_acquire_v0 args;
153	int ret;
154
155	args.lvds.dual = dual;
156	args.lvds.bpc8 = bpc8;
157
158	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_LVDS, &args);
159	NVIF_ERRON(ret, &outp->object,
160		   "[ACQUIRE proto:LVDS dual:%d 8bpc:%d] or:%d link:%d",
161		   args.lvds.dual, args.lvds.bpc8, args.or, args.link);
162	return ret;
163}
164
165int
166nvif_outp_acquire_tmds(struct nvif_outp *outp, int head,
167		       bool hdmi, u8 max_ac_packet, u8 rekey, u8 scdc, bool hda)
168{
169	struct nvif_outp_acquire_v0 args;
170	int ret;
171
172	args.tmds.head = head;
173	args.tmds.hdmi = hdmi;
174	args.tmds.hdmi_max_ac_packet = max_ac_packet;
175	args.tmds.hdmi_rekey = rekey;
176	args.tmds.hdmi_scdc = scdc;
177	args.tmds.hdmi_hda = hda;
178
179	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_TMDS, &args);
180	NVIF_ERRON(ret, &outp->object,
181		   "[ACQUIRE proto:TMDS head:%d hdmi:%d max_ac_packet:%d rekey:%d scdc:%d hda:%d]"
182		   " or:%d link:%d", args.tmds.head, args.tmds.hdmi, args.tmds.hdmi_max_ac_packet,
183		   args.tmds.hdmi_rekey, args.tmds.hdmi_scdc, args.tmds.hdmi_hda,
184		   args.or, args.link);
185	return ret;
186}
187
188int
189nvif_outp_acquire_rgb_crt(struct nvif_outp *outp)
190{
191	struct nvif_outp_acquire_v0 args;
192	int ret;
193
194	ret = nvif_outp_acquire(outp, NVIF_OUTP_ACQUIRE_V0_RGB_CRT, &args);
195	NVIF_ERRON(ret, &outp->object, "[ACQUIRE proto:RGB_CRT] or:%d", args.or);
196	return ret;
197}
198
199int
200nvif_outp_load_detect(struct nvif_outp *outp, u32 loadval)
201{
202	struct nvif_outp_load_detect_v0 args;
203	int ret;
204
205	args.version = 0;
206	args.data = loadval;
207
208	ret = nvif_mthd(&outp->object, NVIF_OUTP_V0_LOAD_DETECT, &args, sizeof(args));
209	NVIF_ERRON(ret, &outp->object, "[LOAD_DETECT data:%08x] load:%02x", args.data, args.load);
210	return ret < 0 ? ret : args.load;
211}
212
213void
214nvif_outp_dtor(struct nvif_outp *outp)
215{
216	nvif_object_dtor(&outp->object);
217}
218
219int
220nvif_outp_ctor(struct nvif_disp *disp, const char *name, int id, struct nvif_outp *outp)
221{
222	struct nvif_outp_v0 args;
223	int ret;
224
225	args.version = 0;
226	args.id = id;
227
228	ret = nvif_object_ctor(&disp->object, name ?: "nvifOutp", id, NVIF_CLASS_OUTP,
229			       &args, sizeof(args), &outp->object);
230	NVIF_ERRON(ret, &disp->object, "[NEW outp id:%d]", id);
231	if (ret)
232		return ret;
233
234	outp->or.id = -1;
235	return 0;
236}
237