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.*/ 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 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 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 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 } 124 125 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 }; 189 190 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