1 /*
2  * Copyright 2018 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 "chan.h"
23 #include "priv.h"
24 #include "head.h"
25 #include "ior.h"
26 
27 #include <core/gpuobj.h>
28 #include <subdev/gsp.h>
29 #include <subdev/timer.h>
30 
31 #include <nvif/class.h>
32 
33 void
tu102_sor_dp_vcpi(struct nvkm_ior * sor,int head,u8 slot,u8 slot_nr,u16 pbn,u16 aligned)34 tu102_sor_dp_vcpi(struct nvkm_ior *sor, int head, u8 slot, u8 slot_nr, u16 pbn, u16 aligned)
35 {
36 	struct nvkm_device *device = sor->disp->engine.subdev.device;
37 	const u32 hoff = head * 0x800;
38 
39 	nvkm_mask(device, 0x61657c + hoff, 0xffffffff, (aligned << 16) | pbn);
40 	nvkm_mask(device, 0x616578 + hoff, 0x00003f3f, (slot_nr << 8) | slot);
41 }
42 
43 static int
tu102_sor_dp_links(struct nvkm_ior * sor,struct nvkm_i2c_aux * aux)44 tu102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
45 {
46 	struct nvkm_device *device = sor->disp->engine.subdev.device;
47 	const u32 soff = nv50_ior_base(sor);
48 	const u32 loff = nv50_sor_link(sor);
49 	u32 dpctrl = 0x00000000;
50 	u32 clksor = 0x00000000;
51 
52 	clksor |= sor->dp.bw << 18;
53 	dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
54 	if (sor->dp.mst)
55 		dpctrl |= 0x40000000;
56 	if (sor->dp.ef)
57 		dpctrl |= 0x00004000;
58 
59 	nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
60 
61 	/*XXX*/
62 	nvkm_msec(device, 40, NVKM_DELAY);
63 	nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
64 	nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
65 
66 	nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
67 	return 0;
68 }
69 
70 static const struct nvkm_ior_func_dp
71 tu102_sor_dp = {
72 	.lanes = { 0, 1, 2, 3 },
73 	.links = tu102_sor_dp_links,
74 	.power = g94_sor_dp_power,
75 	.pattern = gm107_sor_dp_pattern,
76 	.drive = gm200_sor_dp_drive,
77 	.vcpi = tu102_sor_dp_vcpi,
78 	.audio = gv100_sor_dp_audio,
79 	.audio_sym = gv100_sor_dp_audio_sym,
80 	.watermark = gv100_sor_dp_watermark,
81 };
82 
83 static const struct nvkm_ior_func
84 tu102_sor = {
85 	.route = {
86 		.get = gm200_sor_route_get,
87 		.set = gm200_sor_route_set,
88 	},
89 	.state = gv100_sor_state,
90 	.power = nv50_sor_power,
91 	.clock = gf119_sor_clock,
92 	.bl = &gt215_sor_bl,
93 	.hdmi = &gv100_sor_hdmi,
94 	.dp = &tu102_sor_dp,
95 	.hda = &gv100_sor_hda,
96 };
97 
98 static int
tu102_sor_new(struct nvkm_disp * disp,int id)99 tu102_sor_new(struct nvkm_disp *disp, int id)
100 {
101 	struct nvkm_device *device = disp->engine.subdev.device;
102 	u32 hda = nvkm_rd32(device, 0x08a15c);
103 
104 	return nvkm_ior_new_(&tu102_sor, disp, SOR, id, hda & BIT(id));
105 }
106 
107 int
tu102_disp_init(struct nvkm_disp * disp)108 tu102_disp_init(struct nvkm_disp *disp)
109 {
110 	struct nvkm_device *device = disp->engine.subdev.device;
111 	struct nvkm_head *head;
112 	int i, j;
113 	u32 tmp;
114 
115 	/* Claim ownership of display. */
116 	if (nvkm_rd32(device, 0x6254e8) & 0x00000002) {
117 		nvkm_mask(device, 0x6254e8, 0x00000001, 0x00000000);
118 		if (nvkm_msec(device, 2000,
119 			if (!(nvkm_rd32(device, 0x6254e8) & 0x00000002))
120 				break;
121 		) < 0)
122 			return -EBUSY;
123 	}
124 
125 	/* Lock pin capabilities. */
126 	tmp = 0x00000021; /*XXX*/
127 	nvkm_wr32(device, 0x640008, tmp);
128 
129 	/* SOR capabilities. */
130 	for (i = 0; i < disp->sor.nr; i++) {
131 		tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800));
132 		nvkm_mask(device, 0x640000, 0x00000100 << i, 0x00000100 << i);
133 		nvkm_wr32(device, 0x640144 + (i * 0x08), tmp);
134 	}
135 
136 	/* Head capabilities. */
137 	list_for_each_entry(head, &disp->heads, head) {
138 		const int id = head->id;
139 
140 		/* RG. */
141 		tmp = nvkm_rd32(device, 0x616300 + (id * 0x800));
142 		nvkm_wr32(device, 0x640048 + (id * 0x020), tmp);
143 
144 		/* POSTCOMP. */
145 		for (j = 0; j < 5 * 4; j += 4) {
146 			tmp = nvkm_rd32(device, 0x616140 + (id * 0x800) + j);
147 			nvkm_wr32(device, 0x640680 + (id * 0x20) + j, tmp);
148 		}
149 	}
150 
151 	/* Window capabilities. */
152 	for (i = 0; i < disp->wndw.nr; i++) {
153 		nvkm_mask(device, 0x640004, 1 << i, 1 << i);
154 		for (j = 0; j < 6 * 4; j += 4) {
155 			tmp = nvkm_rd32(device, 0x630100 + (i * 0x800) + j);
156 			nvkm_mask(device, 0x640780 + (i * 0x20) + j, 0xffffffff, tmp);
157 		}
158 		nvkm_mask(device, 0x64000c, 0x00000100, 0x00000100);
159 	}
160 
161 	/* IHUB capabilities. */
162 	for (i = 0; i < 3; i++) {
163 		tmp = nvkm_rd32(device, 0x62e000 + (i * 0x04));
164 		nvkm_wr32(device, 0x640010 + (i * 0x04), tmp);
165 	}
166 
167 	nvkm_mask(device, 0x610078, 0x00000001, 0x00000001);
168 
169 	/* Setup instance memory. */
170 	switch (nvkm_memory_target(disp->inst->memory)) {
171 	case NVKM_MEM_TARGET_VRAM: tmp = 0x00000001; break;
172 	case NVKM_MEM_TARGET_NCOH: tmp = 0x00000002; break;
173 	case NVKM_MEM_TARGET_HOST: tmp = 0x00000003; break;
174 	default:
175 		break;
176 	}
177 	nvkm_wr32(device, 0x610010, 0x00000008 | tmp);
178 	nvkm_wr32(device, 0x610014, disp->inst->addr >> 16);
179 
180 	/* CTRL_DISP: AWAKEN, ERROR, SUPERVISOR[1-3]. */
181 	nvkm_wr32(device, 0x611cf0, 0x00000187); /* MSK. */
182 	nvkm_wr32(device, 0x611db0, 0x00000187); /* EN. */
183 
184 	/* EXC_OTHER: CURSn, CORE. */
185 	nvkm_wr32(device, 0x611cec, disp->head.mask << 16 |
186 				    0x00000001); /* MSK. */
187 	nvkm_wr32(device, 0x611dac, 0x00000000); /* EN. */
188 
189 	/* EXC_WINIM. */
190 	nvkm_wr32(device, 0x611ce8, disp->wndw.mask); /* MSK. */
191 	nvkm_wr32(device, 0x611da8, 0x00000000); /* EN. */
192 
193 	/* EXC_WIN. */
194 	nvkm_wr32(device, 0x611ce4, disp->wndw.mask); /* MSK. */
195 	nvkm_wr32(device, 0x611da4, 0x00000000); /* EN. */
196 
197 	/* HEAD_TIMING(n): VBLANK. */
198 	list_for_each_entry(head, &disp->heads, head) {
199 		const u32 hoff = head->id * 4;
200 		nvkm_wr32(device, 0x611cc0 + hoff, 0x00000004); /* MSK. */
201 		nvkm_wr32(device, 0x611d80 + hoff, 0x00000000); /* EN. */
202 	}
203 
204 	/* OR. */
205 	nvkm_wr32(device, 0x611cf4, 0x00000000); /* MSK. */
206 	nvkm_wr32(device, 0x611db4, 0x00000000); /* EN. */
207 	return 0;
208 }
209 
210 static const struct nvkm_disp_func
211 tu102_disp = {
212 	.oneinit = nv50_disp_oneinit,
213 	.init = tu102_disp_init,
214 	.fini = gv100_disp_fini,
215 	.intr = gv100_disp_intr,
216 	.super = gv100_disp_super,
217 	.uevent = &gv100_disp_chan_uevent,
218 	.wndw = { .cnt = gv100_disp_wndw_cnt },
219 	.head = { .cnt = gv100_head_cnt, .new = gv100_head_new },
220 	.sor = { .cnt = gv100_sor_cnt, .new = tu102_sor_new },
221 	.ramht_size = 0x2000,
222 	.root = {  0, 0,TU102_DISP },
223 	.user = {
224 		{{-1,-1,GV100_DISP_CAPS                  }, gv100_disp_caps_new },
225 		{{ 0, 0,TU102_DISP_CURSOR                },  nvkm_disp_chan_new, &gv100_disp_curs },
226 		{{ 0, 0,TU102_DISP_WINDOW_IMM_CHANNEL_DMA},  nvkm_disp_wndw_new, &gv100_disp_wimm },
227 		{{ 0, 0,TU102_DISP_CORE_CHANNEL_DMA      },  nvkm_disp_core_new, &gv100_disp_core },
228 		{{ 0, 0,TU102_DISP_WINDOW_CHANNEL_DMA    },  nvkm_disp_wndw_new, &gv100_disp_wndw },
229 		{}
230 	},
231 };
232 
233 int
tu102_disp_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_disp ** pdisp)234 tu102_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
235 	       struct nvkm_disp **pdisp)
236 {
237 	if (nvkm_gsp_rm(device->gsp))
238 		return r535_disp_new(&tu102_disp, device, type, inst, pdisp);
239 
240 	return nvkm_disp_new_(&tu102_disp, device, type, inst, pdisp);
241 }
242