1/*
2 * Copyright 2012-15 Advanced Micro Devices, 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: AMD
23 *
24 */
25
26#include "dm_services.h"
27
28/* include DCE8 register header files */
29#include "dce/dce_8_0_d.h"
30#include "dce/dce_8_0_sh_mask.h"
31
32#include "dc_types.h"
33
34#include "include/grph_object_id.h"
35#include "include/logger_interface.h"
36#include "../dce110/dce110_timing_generator.h"
37#include "dce80_timing_generator.h"
38
39#include "timing_generator.h"
40
41enum black_color_format {
42 BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0, /* used as index in array */
43 BLACK_COLOR_FORMAT_RGB_LIMITED,
44 BLACK_COLOR_FORMAT_YUV_TV,
45 BLACK_COLOR_FORMAT_YUV_CV,
46 BLACK_COLOR_FORMAT_YUV_SUPER_AA,
47
48 BLACK_COLOR_FORMAT_COUNT
49};
50
51static const struct dce110_timing_generator_offsets reg_offsets[] = {
52{
53 .crtc = (mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
54 .dcp = (mmDCP0_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
55},
56{
57 .crtc = (mmCRTC1_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
58 .dcp = (mmDCP1_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
59},
60{
61 .crtc = (mmCRTC2_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
62 .dcp = (mmDCP2_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
63},
64{
65 .crtc = (mmCRTC3_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
66 .dcp = (mmDCP3_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
67},
68{
69 .crtc = (mmCRTC4_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
70 .dcp = (mmDCP4_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
71},
72{
73 .crtc = (mmCRTC5_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
74 .dcp = (mmDCP5_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
75}
76};
77
78#define NUMBER_OF_FRAME_TO_WAIT_ON_TRIGGERED_RESET 10
79
80#define MAX_H_TOTAL (CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1)
81#define MAX_V_TOTAL (CRTC_V_TOTAL__CRTC_V_TOTAL_MASKhw + 1)
82
83#define CRTC_REG(reg) (reg + tg110->offsets.crtc)
84#define DCP_REG(reg) (reg + tg110->offsets.dcp)
85#define DMIF_REG(reg) (reg + tg110->offsets.dmif)
86
87static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_100hz)
88{
89 uint64_t pix_dur;
90 uint32_t addr = mmDMIF_PG0_DPG_PIPE_ARBITRATION_CONTROL1
91 + DCE110TG_FROM_TG(tg)->offsets.dmif;
92 uint32_t value = dm_read_reg(tg->ctx, addr);
93
94 if (pix_clk_100hz == 0)
95 return;
96
97 pix_dur = div_u64(dividend: 10000000000ull, divisor: pix_clk_100hz);
98
99 set_reg_field_value(
100 value,
101 pix_dur,
102 DPG_PIPE_ARBITRATION_CONTROL1,
103 PIXEL_DURATION);
104
105 dm_write_reg(tg->ctx, addr, value);
106}
107
108static void program_timing(struct timing_generator *tg,
109 const struct dc_crtc_timing *timing,
110 int vready_offset,
111 int vstartup_start,
112 int vupdate_offset,
113 int vupdate_width,
114 const enum signal_type signal,
115 bool use_vbios)
116{
117 if (!use_vbios)
118 program_pix_dur(tg, pix_clk_100hz: timing->pix_clk_100hz);
119
120 dce110_tg_program_timing(tg, timing, vready_offset: 0, vstartup_start: 0, vupdate_offset: 0, vupdate_width: 0, signal: 0, use_vbios);
121}
122
123static void dce80_timing_generator_enable_advanced_request(
124 struct timing_generator *tg,
125 bool enable,
126 const struct dc_crtc_timing *timing)
127{
128 struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
129 uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL);
130 uint32_t value = dm_read_reg(tg->ctx, addr);
131
132 if (enable) {
133 set_reg_field_value(
134 value,
135 0,
136 CRTC_START_LINE_CONTROL,
137 CRTC_LEGACY_REQUESTOR_EN);
138 } else {
139 set_reg_field_value(
140 value,
141 1,
142 CRTC_START_LINE_CONTROL,
143 CRTC_LEGACY_REQUESTOR_EN);
144 }
145
146 if ((timing->v_sync_width + timing->v_front_porch) <= 3) {
147 set_reg_field_value(
148 value,
149 3,
150 CRTC_START_LINE_CONTROL,
151 CRTC_ADVANCED_START_LINE_POSITION);
152 set_reg_field_value(
153 value,
154 0,
155 CRTC_START_LINE_CONTROL,
156 CRTC_PREFETCH_EN);
157 } else {
158 set_reg_field_value(
159 value,
160 4,
161 CRTC_START_LINE_CONTROL,
162 CRTC_ADVANCED_START_LINE_POSITION);
163 set_reg_field_value(
164 value,
165 1,
166 CRTC_START_LINE_CONTROL,
167 CRTC_PREFETCH_EN);
168 }
169
170 set_reg_field_value(
171 value,
172 1,
173 CRTC_START_LINE_CONTROL,
174 CRTC_PROGRESSIVE_START_LINE_EARLY);
175
176 set_reg_field_value(
177 value,
178 1,
179 CRTC_START_LINE_CONTROL,
180 CRTC_INTERLACE_START_LINE_EARLY);
181
182 dm_write_reg(tg->ctx, addr, value);
183}
184
185static const struct timing_generator_funcs dce80_tg_funcs = {
186 .validate_timing = dce110_tg_validate_timing,
187 .program_timing = program_timing,
188 .enable_crtc = dce110_timing_generator_enable_crtc,
189 .disable_crtc = dce110_timing_generator_disable_crtc,
190 .is_counter_moving = dce110_timing_generator_is_counter_moving,
191 .get_position = dce110_timing_generator_get_position,
192 .get_frame_count = dce110_timing_generator_get_vblank_counter,
193 .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
194 .set_early_control = dce110_timing_generator_set_early_control,
195 .wait_for_state = dce110_tg_wait_for_state,
196 .set_blank = dce110_tg_set_blank,
197 .is_blanked = dce110_tg_is_blanked,
198 .set_colors = dce110_tg_set_colors,
199 .set_overscan_blank_color =
200 dce110_timing_generator_set_overscan_color_black,
201 .set_blank_color = dce110_timing_generator_program_blank_color,
202 .disable_vga = dce110_timing_generator_disable_vga,
203 .did_triggered_reset_occur =
204 dce110_timing_generator_did_triggered_reset_occur,
205 .setup_global_swap_lock =
206 dce110_timing_generator_setup_global_swap_lock,
207 .enable_reset_trigger = dce110_timing_generator_enable_reset_trigger,
208 .disable_reset_trigger = dce110_timing_generator_disable_reset_trigger,
209 .tear_down_global_swap_lock =
210 dce110_timing_generator_tear_down_global_swap_lock,
211 .set_drr = dce110_timing_generator_set_drr,
212 .get_last_used_drr_vtotal = NULL,
213 .set_static_screen_control =
214 dce110_timing_generator_set_static_screen_control,
215 .set_test_pattern = dce110_timing_generator_set_test_pattern,
216 .arm_vert_intr = dce110_arm_vert_intr,
217
218 /* DCE8.0 overrides */
219 .enable_advanced_request =
220 dce80_timing_generator_enable_advanced_request,
221 .configure_crc = dce110_configure_crc,
222 .get_crc = dce110_get_crc,
223};
224
225void dce80_timing_generator_construct(
226 struct dce110_timing_generator *tg110,
227 struct dc_context *ctx,
228 uint32_t instance,
229 const struct dce110_timing_generator_offsets *offsets)
230{
231 tg110->controller_id = CONTROLLER_ID_D0 + instance;
232 tg110->base.inst = instance;
233 tg110->offsets = *offsets;
234 tg110->derived_offsets = reg_offsets[instance];
235
236 tg110->base.funcs = &dce80_tg_funcs;
237
238 tg110->base.ctx = ctx;
239 tg110->base.bp = ctx->dc_bios;
240
241 tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1;
242 tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1;
243
244 tg110->min_h_blank = 56;
245 tg110->min_h_front_porch = 4;
246 tg110->min_h_back_porch = 4;
247}
248
249

source code of linux/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c