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 "priv.h"
25 #include "chan.h"
26 #include "hdmi.h"
27 #include "head.h"
28 #include "ior.h"
29 
30 #include <subdev/timer.h>
31 
32 #include <nvif/class.h>
33 
34 static void
35 gt215_sor_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
36 {
37 	struct nvkm_device *device = ior->disp->engine.subdev.device;
38 	const u32 soff = ior->id * 0x800;
39 	int i;
40 
41 	for (i = 0; i < size; i++)
42 		nvkm_wr32(device, 0x61c440 + soff, (i << 8) | data[i]);
43 	for (; i < 0x60; i++)
44 		nvkm_wr32(device, 0x61c440 + soff, (i << 8));
45 	nvkm_mask(device, 0x61c448 + soff, 0x80000002, 0x80000002);
46 }
47 
48 static void
49 gt215_sor_hda_hpd(struct nvkm_ior *ior, int head, bool present)
50 {
51 	struct nvkm_device *device = ior->disp->engine.subdev.device;
52 	u32 data = 0x80000000;
53 	u32 mask = 0x80000001;
54 	if (present)
55 		data |= 0x00000001;
56 	else
57 		mask |= 0x00000002;
58 	nvkm_mask(device, 0x61c448 + ior->id * 0x800, mask, data);
59 }
60 
61 const struct nvkm_ior_func_hda
62 gt215_sor_hda = {
63 	.hpd = gt215_sor_hda_hpd,
64 	.eld = gt215_sor_hda_eld,
65 };
66 
67 void
68 gt215_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
69 {
70 	struct nvkm_device *device = sor->disp->engine.subdev.device;
71 	const u32 soff = nv50_ior_base(sor);
72 	const u32 data = 0x80000000 | (0x00000001 * enable);
73 	const u32 mask = 0x8000000d;
74 
75 	nvkm_mask(device, 0x61c1e0 + soff, mask, data);
76 	nvkm_msec(device, 2000,
77 		if (!(nvkm_rd32(device, 0x61c1e0 + soff) & 0x80000000))
78 			break;
79 	);
80 }
81 
82 static const struct nvkm_ior_func_dp
83 gt215_sor_dp = {
84 	.lanes = { 2, 1, 0, 3 },
85 	.links = g94_sor_dp_links,
86 	.power = g94_sor_dp_power,
87 	.pattern = g94_sor_dp_pattern,
88 	.drive = g94_sor_dp_drive,
89 	.audio = gt215_sor_dp_audio,
90 	.audio_sym = g94_sor_dp_audio_sym,
91 	.activesym = g94_sor_dp_activesym,
92 	.watermark = g94_sor_dp_watermark,
93 };
94 
95 static void
96 gt215_sor_hdmi_infoframe_vsi(struct nvkm_ior *ior, int head, void *data, u32 size)
97 {
98 	struct nvkm_device *device = ior->disp->engine.subdev.device;
99 	struct packed_hdmi_infoframe vsi;
100 	const u32 soff = nv50_ior_base(ior);
101 
102 	pack_hdmi_infoframe(&vsi, data, size);
103 
104 	nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010000);
105 	if (!size)
106 		return;
107 
108 	nvkm_wr32(device, 0x61c544 + soff, vsi.header);
109 	nvkm_wr32(device, 0x61c548 + soff, vsi.subpack0_low);
110 	nvkm_wr32(device, 0x61c54c + soff, vsi.subpack0_high);
111 	/* Is there a second (or up to fourth?) set of subpack registers here? */
112 	/* nvkm_wr32(device, 0x61c550 + soff, vsi.subpack1_low); */
113 	/* nvkm_wr32(device, 0x61c554 + soff, vsi.subpack1_high); */
114 
115 	nvkm_mask(device, 0x61c53c + soff, 0x00010001, 0x00010001);
116 }
117 
118 static void
119 gt215_sor_hdmi_infoframe_avi(struct nvkm_ior *ior, int head, void *data, u32 size)
120 {
121 	struct nvkm_device *device = ior->disp->engine.subdev.device;
122 	struct packed_hdmi_infoframe avi;
123 	const u32 soff = nv50_ior_base(ior);
124 
125 	pack_hdmi_infoframe(&avi, data, size);
126 
127 	nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
128 	if (!size)
129 		return;
130 
131 	nvkm_wr32(device, 0x61c528 + soff, avi.header);
132 	nvkm_wr32(device, 0x61c52c + soff, avi.subpack0_low);
133 	nvkm_wr32(device, 0x61c530 + soff, avi.subpack0_high);
134 	nvkm_wr32(device, 0x61c534 + soff, avi.subpack1_low);
135 	nvkm_wr32(device, 0x61c538 + soff, avi.subpack1_high);
136 
137 	nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000001);
138 }
139 
140 static void
141 gt215_sor_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, u8 rekey)
142 {
143 	struct nvkm_device *device = ior->disp->engine.subdev.device;
144 	const u32 ctrl = 0x40000000 * enable |
145 			 0x1f000000 /* ??? */ |
146 			 max_ac_packet << 16 |
147 			 rekey;
148 	const u32 soff = nv50_ior_base(ior);
149 
150 	if (!(ctrl & 0x40000000)) {
151 		nvkm_mask(device, 0x61c5a4 + soff, 0x40000000, 0x00000000);
152 		nvkm_mask(device, 0x61c53c + soff, 0x00000001, 0x00000000);
153 		nvkm_mask(device, 0x61c520 + soff, 0x00000001, 0x00000000);
154 		nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
155 		return;
156 	}
157 
158 	/* Audio InfoFrame */
159 	nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000000);
160 	nvkm_wr32(device, 0x61c508 + soff, 0x000a0184);
161 	nvkm_wr32(device, 0x61c50c + soff, 0x00000071);
162 	nvkm_wr32(device, 0x61c510 + soff, 0x00000000);
163 	nvkm_mask(device, 0x61c500 + soff, 0x00000001, 0x00000001);
164 
165 	nvkm_mask(device, 0x61c5d0 + soff, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
166 	nvkm_mask(device, 0x61c568 + soff, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
167 	nvkm_mask(device, 0x61c578 + soff, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
168 
169 	/* ??? */
170 	nvkm_mask(device, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
171 	nvkm_mask(device, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
172 	nvkm_mask(device, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
173 
174 	/* HDMI_CTRL */
175 	nvkm_mask(device, 0x61c5a4 + soff, 0x5f1f007f, ctrl);
176 }
177 
178 const struct nvkm_ior_func_hdmi
179 gt215_sor_hdmi = {
180 	.ctrl = gt215_sor_hdmi_ctrl,
181 	.infoframe_avi = gt215_sor_hdmi_infoframe_avi,
182 	.infoframe_vsi = gt215_sor_hdmi_infoframe_vsi,
183 };
184 
185 static const struct nvkm_ior_func
186 gt215_sor = {
187 	.state = g94_sor_state,
188 	.power = nv50_sor_power,
189 	.clock = nv50_sor_clock,
190 	.hdmi = &gt215_sor_hdmi,
191 	.dp = &gt215_sor_dp,
192 	.hda = &gt215_sor_hda,
193 };
194 
195 static int
196 gt215_sor_new(struct nvkm_disp *disp, int id)
197 {
198 	return nvkm_ior_new_(&gt215_sor, disp, SOR, id, true);
199 }
200 
201 static const struct nvkm_disp_func
202 gt215_disp = {
203 	.oneinit = nv50_disp_oneinit,
204 	.init = nv50_disp_init,
205 	.fini = nv50_disp_fini,
206 	.intr = nv50_disp_intr,
207 	.super = nv50_disp_super,
208 	.uevent = &nv50_disp_chan_uevent,
209 	.head = { .cnt = nv50_head_cnt, .new = nv50_head_new },
210 	.dac = { .cnt = nv50_dac_cnt, .new = nv50_dac_new },
211 	.sor = { .cnt = g94_sor_cnt, .new = gt215_sor_new },
212 	.pior = { .cnt = nv50_pior_cnt, .new = nv50_pior_new },
213 	.root = { 0,0,GT214_DISP },
214 	.user = {
215 		{{0,0,GT214_DISP_CURSOR             }, nvkm_disp_chan_new, & nv50_disp_curs },
216 		{{0,0,GT214_DISP_OVERLAY            }, nvkm_disp_chan_new, & nv50_disp_oimm },
217 		{{0,0,GT214_DISP_BASE_CHANNEL_DMA   }, nvkm_disp_chan_new, &  g84_disp_base },
218 		{{0,0,GT214_DISP_CORE_CHANNEL_DMA   }, nvkm_disp_core_new, &  g94_disp_core },
219 		{{0,0,GT214_DISP_OVERLAY_CHANNEL_DMA}, nvkm_disp_chan_new, &  g84_disp_ovly },
220 		{}
221 	},
222 };
223 
224 int
225 gt215_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
226 	       struct nvkm_disp **pdisp)
227 {
228 	return nvkm_disp_new_(&gt215_disp, device, type, inst, pdisp);
229 }
230