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 "reg_helper.h"
27 #include "dcn201_optc.h"
28 #include "dcn10/dcn10_optc.h"
29 #include "dc.h"
30
31 #define REG(reg)\
32 optc1->tg_regs->reg
33
34 #define CTX \
35 optc1->base.ctx
36
37 #undef FN
38 #define FN(reg_name, field_name) \
39 optc1->tg_shift->field_name, optc1->tg_mask->field_name
40
41 /*TEMP: Need to figure out inheritance model here.*/
optc201_is_two_pixels_per_containter(const struct dc_crtc_timing * timing)42 bool optc201_is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
43 {
44 return optc1_is_two_pixels_per_containter(timing);
45 }
46
optc201_triplebuffer_lock(struct timing_generator * optc)47 static void optc201_triplebuffer_lock(struct timing_generator *optc)
48 {
49 struct optc *optc1 = DCN10TG_FROM_TG(optc);
50
51 REG_SET(OTG_GLOBAL_CONTROL0, 0,
52 OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
53 REG_SET(OTG_VUPDATE_KEEPOUT, 0,
54 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1);
55 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
56 OTG_MASTER_UPDATE_LOCK, 1);
57
58 REG_WAIT(OTG_MASTER_UPDATE_LOCK,
59 UPDATE_LOCK_STATUS, 1,
60 1, 10);
61 }
62
optc201_triplebuffer_unlock(struct timing_generator * optc)63 static void optc201_triplebuffer_unlock(struct timing_generator *optc)
64 {
65 struct optc *optc1 = DCN10TG_FROM_TG(optc);
66
67 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
68 OTG_MASTER_UPDATE_LOCK, 0);
69 REG_SET(OTG_VUPDATE_KEEPOUT, 0,
70 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 0);
71
72 }
73
optc201_validate_timing(struct timing_generator * optc,const struct dc_crtc_timing * timing)74 static bool optc201_validate_timing(
75 struct timing_generator *optc,
76 const struct dc_crtc_timing *timing)
77 {
78 uint32_t v_blank;
79 uint32_t h_blank;
80 uint32_t min_v_blank;
81 struct optc *optc1 = DCN10TG_FROM_TG(optc);
82
83 ASSERT(timing != NULL);
84
85 v_blank = (timing->v_total - timing->v_addressable -
86 timing->v_border_top - timing->v_border_bottom);
87
88 h_blank = (timing->h_total - timing->h_addressable -
89 timing->h_border_right -
90 timing->h_border_left);
91
92 if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE &&
93 timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING &&
94 timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM &&
95 timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE &&
96 timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE &&
97 timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA)
98 return false;
99
100 /* Check maximum number of pixels supported by Timing Generator
101 * (Currently will never fail, in order to fail needs display which
102 * needs more than 8192 horizontal and
103 * more than 8192 vertical total pixels)
104 */
105 if (timing->h_total > optc1->max_h_total ||
106 timing->v_total > optc1->max_v_total)
107 return false;
108
109 if (h_blank < optc1->min_h_blank)
110 return false;
111
112 if (timing->h_sync_width < optc1->min_h_sync_width ||
113 timing->v_sync_width < optc1->min_v_sync_width)
114 return false;
115
116 min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank;
117
118 if (v_blank < min_v_blank)
119 return false;
120
121 return true;
122
123 }
124
optc201_get_optc_source(struct timing_generator * optc,uint32_t * num_of_src_opp,uint32_t * src_opp_id_0,uint32_t * src_opp_id_1)125 static void optc201_get_optc_source(struct timing_generator *optc,
126 uint32_t *num_of_src_opp,
127 uint32_t *src_opp_id_0,
128 uint32_t *src_opp_id_1)
129 {
130 struct optc *optc1 = DCN10TG_FROM_TG(optc);
131
132 REG_GET(OPTC_DATA_SOURCE_SELECT,
133 OPTC_SEG0_SRC_SEL, src_opp_id_0);
134
135 *num_of_src_opp = 1;
136 }
137
138 static struct timing_generator_funcs dcn201_tg_funcs = {
139 .validate_timing = optc201_validate_timing,
140 .program_timing = optc1_program_timing,
141 .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
142 .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
143 .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
144 .program_global_sync = optc1_program_global_sync,
145 .enable_crtc = optc2_enable_crtc,
146 .disable_crtc = optc1_disable_crtc,
147 /* used by enable_timing_synchronization. Not need for FPGA */
148 .is_counter_moving = optc1_is_counter_moving,
149 .get_position = optc1_get_position,
150 .get_frame_count = optc1_get_vblank_counter,
151 .get_scanoutpos = optc1_get_crtc_scanoutpos,
152 .get_otg_active_size = optc1_get_otg_active_size,
153 .set_early_control = optc1_set_early_control,
154 /* used by enable_timing_synchronization. Not need for FPGA */
155 .wait_for_state = optc1_wait_for_state,
156 .set_blank = optc1_set_blank,
157 .is_blanked = optc1_is_blanked,
158 .set_blank_color = optc1_program_blank_color,
159 .did_triggered_reset_occur = optc1_did_triggered_reset_occur,
160 .enable_reset_trigger = optc1_enable_reset_trigger,
161 .enable_crtc_reset = optc1_enable_crtc_reset,
162 .disable_reset_trigger = optc1_disable_reset_trigger,
163 .triplebuffer_lock = optc201_triplebuffer_lock,
164 .triplebuffer_unlock = optc201_triplebuffer_unlock,
165 .lock = optc1_lock,
166 .unlock = optc1_unlock,
167 .enable_optc_clock = optc1_enable_optc_clock,
168 .set_drr = optc1_set_drr,
169 .get_last_used_drr_vtotal = NULL,
170 .set_vtotal_min_max = optc1_set_vtotal_min_max,
171 .set_static_screen_control = optc1_set_static_screen_control,
172 .program_stereo = optc1_program_stereo,
173 .is_stereo_left_eye = optc1_is_stereo_left_eye,
174 .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer,
175 .tg_init = optc1_tg_init,
176 .is_tg_enabled = optc1_is_tg_enabled,
177 .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
178 .clear_optc_underflow = optc1_clear_optc_underflow,
179 .get_crc = optc1_get_crc,
180 .configure_crc = optc2_configure_crc,
181 .set_dsc_config = optc2_set_dsc_config,
182 .set_dwb_source = NULL,
183 .get_optc_source = optc201_get_optc_source,
184 .set_vtg_params = optc1_set_vtg_params,
185 .program_manual_trigger = optc2_program_manual_trigger,
186 .setup_manual_trigger = optc2_setup_manual_trigger,
187 .get_hw_timing = optc1_get_hw_timing,
188 };
189
dcn201_timing_generator_init(struct optc * optc1)190 void dcn201_timing_generator_init(struct optc *optc1)
191 {
192 optc1->base.funcs = &dcn201_tg_funcs;
193
194 optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
195 optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
196
197 optc1->min_h_blank = 32;
198 optc1->min_v_blank = 3;
199 optc1->min_v_blank_interlace = 5;
200 optc1->min_h_sync_width = 8;
201 optc1->min_v_sync_width = 1;
202 }
203