xref: /dragonfly/sys/dev/drm/amd/display/dc/dce80/dce80_timing_generator.c (revision b843c749addef9340ee7d4e250b09fdd492602a1)
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 
41 enum 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 
51 static 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 
program_pix_dur(struct timing_generator * tg,uint32_t pix_clk_khz)87 static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_khz)
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_khz == 0)
95                     return;
96 
97           pix_dur = 1000000000 / pix_clk_khz;
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 
program_timing(struct timing_generator * tg,const struct dc_crtc_timing * timing,bool use_vbios)108 static void program_timing(struct timing_generator *tg,
109           const struct dc_crtc_timing *timing,
110           bool use_vbios)
111 {
112           if (!use_vbios)
113                     program_pix_dur(tg, timing->pix_clk_khz);
114 
115           dce110_tg_program_timing(tg, timing, use_vbios);
116 }
117 
dce80_timing_generator_enable_advanced_request(struct timing_generator * tg,bool enable,const struct dc_crtc_timing * timing)118 static void dce80_timing_generator_enable_advanced_request(
119           struct timing_generator *tg,
120           bool enable,
121           const struct dc_crtc_timing *timing)
122 {
123           struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
124           uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL);
125           uint32_t value = dm_read_reg(tg->ctx, addr);
126 
127           if (enable) {
128                     set_reg_field_value(
129                               value,
130                               0,
131                               CRTC_START_LINE_CONTROL,
132                               CRTC_LEGACY_REQUESTOR_EN);
133           } else {
134                     set_reg_field_value(
135                               value,
136                               1,
137                               CRTC_START_LINE_CONTROL,
138                               CRTC_LEGACY_REQUESTOR_EN);
139           }
140 
141           if ((timing->v_sync_width + timing->v_front_porch) <= 3) {
142                     set_reg_field_value(
143                               value,
144                               3,
145                               CRTC_START_LINE_CONTROL,
146                               CRTC_ADVANCED_START_LINE_POSITION);
147                     set_reg_field_value(
148                               value,
149                               0,
150                               CRTC_START_LINE_CONTROL,
151                               CRTC_PREFETCH_EN);
152           } else {
153                     set_reg_field_value(
154                               value,
155                               4,
156                               CRTC_START_LINE_CONTROL,
157                               CRTC_ADVANCED_START_LINE_POSITION);
158                     set_reg_field_value(
159                               value,
160                               1,
161                               CRTC_START_LINE_CONTROL,
162                               CRTC_PREFETCH_EN);
163           }
164 
165           set_reg_field_value(
166                     value,
167                     1,
168                     CRTC_START_LINE_CONTROL,
169                     CRTC_PROGRESSIVE_START_LINE_EARLY);
170 
171           set_reg_field_value(
172                     value,
173                     1,
174                     CRTC_START_LINE_CONTROL,
175                     CRTC_INTERLACE_START_LINE_EARLY);
176 
177           dm_write_reg(tg->ctx, addr, value);
178 }
179 
180 static const struct timing_generator_funcs dce80_tg_funcs = {
181                     .validate_timing = dce110_tg_validate_timing,
182                     .program_timing = program_timing,
183                     .enable_crtc = dce110_timing_generator_enable_crtc,
184                     .disable_crtc = dce110_timing_generator_disable_crtc,
185                     .is_counter_moving = dce110_timing_generator_is_counter_moving,
186                     .get_position = dce110_timing_generator_get_position,
187                     .get_frame_count = dce110_timing_generator_get_vblank_counter,
188                     .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
189                     .set_early_control = dce110_timing_generator_set_early_control,
190                     .wait_for_state = dce110_tg_wait_for_state,
191                     .set_blank = dce110_tg_set_blank,
192                     .is_blanked = dce110_tg_is_blanked,
193                     .set_colors = dce110_tg_set_colors,
194                     .set_overscan_blank_color =
195                                         dce110_timing_generator_set_overscan_color_black,
196                     .set_blank_color = dce110_timing_generator_program_blank_color,
197                     .disable_vga = dce110_timing_generator_disable_vga,
198                     .did_triggered_reset_occur =
199                                         dce110_timing_generator_did_triggered_reset_occur,
200                     .setup_global_swap_lock =
201                                         dce110_timing_generator_setup_global_swap_lock,
202                     .enable_reset_trigger = dce110_timing_generator_enable_reset_trigger,
203                     .disable_reset_trigger = dce110_timing_generator_disable_reset_trigger,
204                     .tear_down_global_swap_lock =
205                                         dce110_timing_generator_tear_down_global_swap_lock,
206                     .set_drr = dce110_timing_generator_set_drr,
207                     .set_static_screen_control =
208                               dce110_timing_generator_set_static_screen_control,
209                     .set_test_pattern = dce110_timing_generator_set_test_pattern,
210                     .arm_vert_intr = dce110_arm_vert_intr,
211 
212                     /* DCE8.0 overrides */
213                     .enable_advanced_request =
214                                         dce80_timing_generator_enable_advanced_request,
215                     .configure_crc = dce110_configure_crc,
216                     .get_crc = dce110_get_crc,
217 };
218 
dce80_timing_generator_construct(struct dce110_timing_generator * tg110,struct dc_context * ctx,uint32_t instance,const struct dce110_timing_generator_offsets * offsets)219 void dce80_timing_generator_construct(
220           struct dce110_timing_generator *tg110,
221           struct dc_context *ctx,
222           uint32_t instance,
223           const struct dce110_timing_generator_offsets *offsets)
224 {
225           tg110->controller_id = CONTROLLER_ID_D0 + instance;
226           tg110->base.inst = instance;
227           tg110->offsets = *offsets;
228           tg110->derived_offsets = reg_offsets[instance];
229 
230           tg110->base.funcs = &dce80_tg_funcs;
231 
232           tg110->base.ctx = ctx;
233           tg110->base.bp = ctx->dc_bios;
234 
235           tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1;
236           tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1;
237 
238           tg110->min_h_blank = 56;
239           tg110->min_h_front_porch = 4;
240           tg110->min_h_back_porch = 4;
241 }
242 
243