diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 1621 |
1 files changed, 1621 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c new file mode 100644 index 0000000000..0e8f4f36c8 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -0,0 +1,1621 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + +#include "reg_helper.h" +#include "dcn10_optc.h" +#include "dc.h" +#include "dc_trace.h" + +#define REG(reg)\ + optc1->tg_regs->reg + +#define CTX \ + optc1->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + optc1->tg_shift->field_name, optc1->tg_mask->field_name + +#define STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN 0x100 + +/** + * apply_front_porch_workaround() - This is a workaround for a bug that has + * existed since R5xx and has not been fixed + * keep Front porch at minimum 2 for Interlaced + * mode or 1 for progressive. + * + * @timing: Timing parameters used to configure DCN blocks. + */ +static void apply_front_porch_workaround(struct dc_crtc_timing *timing) +{ + if (timing->flags.INTERLACE == 1) { + if (timing->v_front_porch < 2) + timing->v_front_porch = 2; + } else { + if (timing->v_front_porch < 1) + timing->v_front_porch = 1; + } +} + +void optc1_program_global_sync( + struct timing_generator *optc, + int vready_offset, + int vstartup_start, + int vupdate_offset, + int vupdate_width) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + optc1->vready_offset = vready_offset; + optc1->vstartup_start = vstartup_start; + optc1->vupdate_offset = vupdate_offset; + optc1->vupdate_width = vupdate_width; + + if (optc1->vstartup_start == 0) { + BREAK_TO_DEBUGGER(); + return; + } + + REG_SET(OTG_VSTARTUP_PARAM, 0, + VSTARTUP_START, optc1->vstartup_start); + + REG_SET_2(OTG_VUPDATE_PARAM, 0, + VUPDATE_OFFSET, optc1->vupdate_offset, + VUPDATE_WIDTH, optc1->vupdate_width); + + REG_SET(OTG_VREADY_PARAM, 0, + VREADY_OFFSET, optc1->vready_offset); +} + +static void optc1_disable_stereo(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_STEREO_CONTROL, 0, + OTG_STEREO_EN, 0); + + REG_SET_2(OTG_3D_STRUCTURE_CONTROL, 0, + OTG_3D_STRUCTURE_EN, 0, + OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0); +} + +void optc1_setup_vertical_interrupt0( + struct timing_generator *optc, + uint32_t start_line, + uint32_t end_line) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0, + OTG_VERTICAL_INTERRUPT0_LINE_START, start_line, + OTG_VERTICAL_INTERRUPT0_LINE_END, end_line); +} + +void optc1_setup_vertical_interrupt1( + struct timing_generator *optc, + uint32_t start_line) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_VERTICAL_INTERRUPT1_POSITION, 0, + OTG_VERTICAL_INTERRUPT1_LINE_START, start_line); +} + +void optc1_setup_vertical_interrupt2( + struct timing_generator *optc, + uint32_t start_line) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0, + OTG_VERTICAL_INTERRUPT2_LINE_START, start_line); +} + +/** + * optc1_program_timing() - used by mode timing set Program + * CRTC Timing Registers - OTG_H_*, + * OTG_V_*, Pixel repetition. + * Including SYNC. Call BIOS command table to program Timings. + * + * @optc: timing_generator instance. + * @dc_crtc_timing: Timing parameters used to configure DCN blocks. + * @vready_offset: Vready's starting position. + * @vstartup_start: Vstartup period. + * @vupdate_offset: Vupdate starting position. + * @vupdate_width: Vupdate duration. + * @signal: DC signal types. + * @use_vbios: to program timings from BIOS command table. + * + */ +void optc1_program_timing( + struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing, + int vready_offset, + int vstartup_start, + int vupdate_offset, + int vupdate_width, + const enum signal_type signal, + bool use_vbios) +{ + struct dc_crtc_timing patched_crtc_timing; + uint32_t asic_blank_end; + uint32_t asic_blank_start; + uint32_t v_total; + uint32_t v_sync_end; + uint32_t h_sync_polarity, v_sync_polarity; + uint32_t start_point = 0; + uint32_t field_num = 0; + enum h_timing_div_mode h_div = H_TIMING_NO_DIV; + + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + optc1->signal = signal; + optc1->vready_offset = vready_offset; + optc1->vstartup_start = vstartup_start; + optc1->vupdate_offset = vupdate_offset; + optc1->vupdate_width = vupdate_width; + patched_crtc_timing = *dc_crtc_timing; + apply_front_porch_workaround(&patched_crtc_timing); + optc1->orginal_patched_timing = patched_crtc_timing; + + /* Load horizontal timing */ + + /* CRTC_H_TOTAL = vesa.h_total - 1 */ + REG_SET(OTG_H_TOTAL, 0, + OTG_H_TOTAL, patched_crtc_timing.h_total - 1); + + /* h_sync_start = 0, h_sync_end = vesa.h_sync_width */ + REG_UPDATE_2(OTG_H_SYNC_A, + OTG_H_SYNC_A_START, 0, + OTG_H_SYNC_A_END, patched_crtc_timing.h_sync_width); + + /* blank_start = line end - front porch */ + asic_blank_start = patched_crtc_timing.h_total - + patched_crtc_timing.h_front_porch; + + /* blank_end = blank_start - active */ + asic_blank_end = asic_blank_start - + patched_crtc_timing.h_border_right - + patched_crtc_timing.h_addressable - + patched_crtc_timing.h_border_left; + + REG_UPDATE_2(OTG_H_BLANK_START_END, + OTG_H_BLANK_START, asic_blank_start, + OTG_H_BLANK_END, asic_blank_end); + + /* h_sync polarity */ + h_sync_polarity = patched_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? + 0 : 1; + + REG_UPDATE(OTG_H_SYNC_A_CNTL, + OTG_H_SYNC_A_POL, h_sync_polarity); + + v_total = patched_crtc_timing.v_total - 1; + + REG_SET(OTG_V_TOTAL, 0, + OTG_V_TOTAL, v_total); + + /* In case of V_TOTAL_CONTROL is on, make sure OTG_V_TOTAL_MAX and + * OTG_V_TOTAL_MIN are equal to V_TOTAL. + */ + optc->funcs->set_vtotal_min_max(optc, v_total, v_total); + + /* v_sync_start = 0, v_sync_end = v_sync_width */ + v_sync_end = patched_crtc_timing.v_sync_width; + + REG_UPDATE_2(OTG_V_SYNC_A, + OTG_V_SYNC_A_START, 0, + OTG_V_SYNC_A_END, v_sync_end); + + /* blank_start = frame end - front porch */ + asic_blank_start = patched_crtc_timing.v_total - + patched_crtc_timing.v_front_porch; + + /* blank_end = blank_start - active */ + asic_blank_end = asic_blank_start - + patched_crtc_timing.v_border_bottom - + patched_crtc_timing.v_addressable - + patched_crtc_timing.v_border_top; + + REG_UPDATE_2(OTG_V_BLANK_START_END, + OTG_V_BLANK_START, asic_blank_start, + OTG_V_BLANK_END, asic_blank_end); + + /* v_sync polarity */ + v_sync_polarity = patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? + 0 : 1; + + REG_UPDATE(OTG_V_SYNC_A_CNTL, + OTG_V_SYNC_A_POL, v_sync_polarity); + + if (optc1->signal == SIGNAL_TYPE_DISPLAY_PORT || + optc1->signal == SIGNAL_TYPE_DISPLAY_PORT_MST || + optc1->signal == SIGNAL_TYPE_EDP) { + start_point = 1; + if (patched_crtc_timing.flags.INTERLACE == 1) + field_num = 1; + } + + /* Interlace */ + if (REG(OTG_INTERLACE_CONTROL)) { + if (patched_crtc_timing.flags.INTERLACE == 1) + REG_UPDATE(OTG_INTERLACE_CONTROL, + OTG_INTERLACE_ENABLE, 1); + else + REG_UPDATE(OTG_INTERLACE_CONTROL, + OTG_INTERLACE_ENABLE, 0); + } + + /* VTG enable set to 0 first VInit */ + REG_UPDATE(CONTROL, + VTG0_ENABLE, 0); + + /* original code is using VTG offset to address OTG reg, seems wrong */ + REG_UPDATE_2(OTG_CONTROL, + OTG_START_POINT_CNTL, start_point, + OTG_FIELD_NUMBER_CNTL, field_num); + + optc->funcs->program_global_sync(optc, + vready_offset, + vstartup_start, + vupdate_offset, + vupdate_width); + + optc->funcs->set_vtg_params(optc, dc_crtc_timing, true); + + /* TODO + * patched_crtc_timing.flags.HORZ_COUNT_BY_TWO == 1 + * program_horz_count_by_2 + * for DVI 30bpp mode, 0 otherwise + * program_horz_count_by_2(optc, &patched_crtc_timing); + */ + + /* Enable stereo - only when we need to pack 3D frame. Other types + * of stereo handled in explicit call + */ + + if (optc1_is_two_pixels_per_containter(&patched_crtc_timing) || optc1->opp_count == 2) + h_div = H_TIMING_DIV_BY2; + + if (REG(OPTC_DATA_FORMAT_CONTROL) && optc1->tg_mask->OPTC_DATA_FORMAT != 0) { + uint32_t data_fmt = 0; + + if (patched_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) + data_fmt = 1; + else if (patched_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) + data_fmt = 2; + + REG_UPDATE(OPTC_DATA_FORMAT_CONTROL, OPTC_DATA_FORMAT, data_fmt); + } + + if (optc1->tg_mask->OTG_H_TIMING_DIV_MODE != 0) { + if (optc1->opp_count == 4) + h_div = H_TIMING_DIV_BY4; + + REG_UPDATE(OTG_H_TIMING_CNTL, + OTG_H_TIMING_DIV_MODE, h_div); + } else { + REG_UPDATE(OTG_H_TIMING_CNTL, + OTG_H_TIMING_DIV_BY2, h_div); + } +} + +/** + * optc1_set_vtg_params - Set Vertical Timing Generator (VTG) parameters + * + * @optc: timing_generator struct used to extract the optc parameters + * @dc_crtc_timing: Timing parameters configured + * @program_fp2: Boolean value indicating if FP2 will be programmed or not + * + * OTG is responsible for generating the global sync signals, including + * vertical timing information for each HUBP in the dcfclk domain. Each VTG is + * associated with one OTG that provides HUBP with vertical timing information + * (i.e., there is 1:1 correspondence between OTG and VTG). This function is + * responsible for setting the OTG parameters to the VTG during the pipe + * programming. + */ +void optc1_set_vtg_params(struct timing_generator *optc, + const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2) +{ + struct dc_crtc_timing patched_crtc_timing; + uint32_t asic_blank_end; + uint32_t v_init; + uint32_t v_fp2 = 0; + int32_t vertical_line_start; + + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + patched_crtc_timing = *dc_crtc_timing; + apply_front_porch_workaround(&patched_crtc_timing); + + /* VCOUNT_INIT is the start of blank */ + v_init = patched_crtc_timing.v_total - patched_crtc_timing.v_front_porch; + + /* end of blank = v_init - active */ + asic_blank_end = v_init - + patched_crtc_timing.v_border_bottom - + patched_crtc_timing.v_addressable - + patched_crtc_timing.v_border_top; + + /* if VSTARTUP is before VSYNC, FP2 is the offset, otherwise 0 */ + vertical_line_start = asic_blank_end - optc1->vstartup_start + 1; + if (vertical_line_start < 0) + v_fp2 = -vertical_line_start; + + /* Interlace */ + if (REG(OTG_INTERLACE_CONTROL)) { + if (patched_crtc_timing.flags.INTERLACE == 1) { + v_init = v_init / 2; + if ((optc1->vstartup_start/2)*2 > asic_blank_end) + v_fp2 = v_fp2 / 2; + } + } + + if (program_fp2) + REG_UPDATE_2(CONTROL, + VTG0_FP2, v_fp2, + VTG0_VCOUNT_INIT, v_init); + else + REG_UPDATE(CONTROL, VTG0_VCOUNT_INIT, v_init); +} + +void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enable) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + uint32_t blank_data_double_buffer_enable = enable ? 1 : 0; + + REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL, + OTG_BLANK_DATA_DOUBLE_BUFFER_EN, blank_data_double_buffer_enable); +} + +/** + * optc1_set_timing_double_buffer() - DRR double buffering control + * + * Sets double buffer point for V_TOTAL, H_TOTAL, VTOTAL_MIN, + * VTOTAL_MAX, VTOTAL_MIN_SEL and VTOTAL_MAX_SEL registers. + * + * @optc: timing_generator instance. + * @enable: Enable DRR double buffering control if true, disable otherwise. + * + * Options: any time, start of frame, dp start of frame (range timing) + */ +void optc1_set_timing_double_buffer(struct timing_generator *optc, bool enable) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t mode = enable ? 2 : 0; + + REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL, + OTG_RANGE_TIMING_DBUF_UPDATE_MODE, mode); +} + +/** + * optc1_unblank_crtc() - Call ASIC Control Object to UnBlank CRTC. + * + * @optc: timing_generator instance. + */ +static void optc1_unblank_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_UPDATE_2(OTG_BLANK_CONTROL, + OTG_BLANK_DATA_EN, 0, + OTG_BLANK_DE_MODE, 0); + + /* W/A for automated testing + * Automated testing will fail underflow test as there + * sporadic underflows which occur during the optc blank + * sequence. As a w/a, clear underflow on unblank. + * This prevents the failure, but will not mask actual + * underflow that affect real use cases. + */ + optc1_clear_optc_underflow(optc); +} + +/** + * optc1_blank_crtc() - Call ASIC Control Object to Blank CRTC. + * + * @optc: timing_generator instance. + */ + +static void optc1_blank_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_UPDATE_2(OTG_BLANK_CONTROL, + OTG_BLANK_DATA_EN, 1, + OTG_BLANK_DE_MODE, 0); + + optc1_set_blank_data_double_buffer(optc, false); +} + +void optc1_set_blank(struct timing_generator *optc, + bool enable_blanking) +{ + if (enable_blanking) + optc1_blank_crtc(optc); + else + optc1_unblank_crtc(optc); +} + +bool optc1_is_blanked(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t blank_en; + uint32_t blank_state; + + REG_GET_2(OTG_BLANK_CONTROL, + OTG_BLANK_DATA_EN, &blank_en, + OTG_CURRENT_BLANK_STATE, &blank_state); + + return blank_en && blank_state; +} + +void optc1_enable_optc_clock(struct timing_generator *optc, bool enable) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + if (enable) { + REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL, + OPTC_INPUT_CLK_EN, 1, + OPTC_INPUT_CLK_GATE_DIS, 1); + + REG_WAIT(OPTC_INPUT_CLOCK_CONTROL, + OPTC_INPUT_CLK_ON, 1, + 1, 1000); + + /* Enable clock */ + REG_UPDATE_2(OTG_CLOCK_CONTROL, + OTG_CLOCK_EN, 1, + OTG_CLOCK_GATE_DIS, 1); + REG_WAIT(OTG_CLOCK_CONTROL, + OTG_CLOCK_ON, 1, + 1, 1000); + } else { + + //last chance to clear underflow, otherwise, it will always there due to clock is off. + if (optc->funcs->is_optc_underflow_occurred(optc) == true) + optc->funcs->clear_optc_underflow(optc); + + REG_UPDATE_2(OTG_CLOCK_CONTROL, + OTG_CLOCK_GATE_DIS, 0, + OTG_CLOCK_EN, 0); + + REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL, + OPTC_INPUT_CLK_GATE_DIS, 0, + OPTC_INPUT_CLK_EN, 0); + } +} + +/** + * optc1_enable_crtc() - Enable CRTC - call ASIC Control Object to enable Timing generator. + * + * @optc: timing_generator instance. + */ +static bool optc1_enable_crtc(struct timing_generator *optc) +{ + /* TODO FPGA wait for answer + * OTG_MASTER_UPDATE_MODE != CRTC_MASTER_UPDATE_MODE + * OTG_MASTER_UPDATE_LOCK != CRTC_MASTER_UPDATE_LOCK + */ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + /* opp instance for OTG. For DCN1.0, ODM is remoed. + * OPP and OPTC should 1:1 mapping + */ + REG_UPDATE(OPTC_DATA_SOURCE_SELECT, + OPTC_SRC_SEL, optc->inst); + + /* VTG enable first is for HW workaround */ + REG_UPDATE(CONTROL, + VTG0_ENABLE, 1); + + REG_SEQ_START(); + + /* Enable CRTC */ + REG_UPDATE_2(OTG_CONTROL, + OTG_DISABLE_POINT_CNTL, 3, + OTG_MASTER_EN, 1); + + REG_SEQ_SUBMIT(); + REG_SEQ_WAIT_DONE(); + + return true; +} + +/* disable_crtc - call ASIC Control Object to disable Timing generator. */ +bool optc1_disable_crtc(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + /* disable otg request until end of the first line + * in the vertical blank region + */ + REG_UPDATE_2(OTG_CONTROL, + OTG_DISABLE_POINT_CNTL, 3, + OTG_MASTER_EN, 0); + + REG_UPDATE(CONTROL, + VTG0_ENABLE, 0); + + /* CRTC disabled, so disable clock. */ + REG_WAIT(OTG_CLOCK_CONTROL, + OTG_BUSY, 0, + 1, 100000); + + return true; +} + + +void optc1_program_blank_color( + struct timing_generator *optc, + const struct tg_color *black_color) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET_3(OTG_BLACK_COLOR, 0, + OTG_BLACK_COLOR_B_CB, black_color->color_b_cb, + OTG_BLACK_COLOR_G_Y, black_color->color_g_y, + OTG_BLACK_COLOR_R_CR, black_color->color_r_cr); +} + +bool optc1_validate_timing( + struct timing_generator *optc, + const struct dc_crtc_timing *timing) +{ + uint32_t v_blank; + uint32_t h_blank; + uint32_t min_v_blank; + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + ASSERT(timing != NULL); + + v_blank = (timing->v_total - timing->v_addressable - + timing->v_border_top - timing->v_border_bottom); + + h_blank = (timing->h_total - timing->h_addressable - + timing->h_border_right - + timing->h_border_left); + + if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE && + timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING && + timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM && + timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE && + timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE && + timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA) + return false; + + /* Temporarily blocking interlacing mode until it's supported */ + if (timing->flags.INTERLACE == 1) + return false; + + /* Check maximum number of pixels supported by Timing Generator + * (Currently will never fail, in order to fail needs display which + * needs more than 8192 horizontal and + * more than 8192 vertical total pixels) + */ + if (timing->h_total > optc1->max_h_total || + timing->v_total > optc1->max_v_total) + return false; + + + if (h_blank < optc1->min_h_blank) + return false; + + if (timing->h_sync_width < optc1->min_h_sync_width || + timing->v_sync_width < optc1->min_v_sync_width) + return false; + + min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank; + + if (v_blank < min_v_blank) + return false; + + return true; + +} + +/* + * get_vblank_counter + * + * @brief + * Get counter for vertical blanks. use register CRTC_STATUS_FRAME_COUNT which + * holds the counter of frames. + * + * @param + * struct timing_generator *optc - [in] timing generator which controls the + * desired CRTC + * + * @return + * Counter of frames, which should equal to number of vblanks. + */ +uint32_t optc1_get_vblank_counter(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t frame_count; + + REG_GET(OTG_STATUS_FRAME_COUNT, + OTG_FRAME_COUNT, &frame_count); + + return frame_count; +} + +void optc1_lock(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_GLOBAL_CONTROL0, 0, + OTG_MASTER_UPDATE_LOCK_SEL, optc->inst); + REG_SET(OTG_MASTER_UPDATE_LOCK, 0, + OTG_MASTER_UPDATE_LOCK, 1); + + REG_WAIT(OTG_MASTER_UPDATE_LOCK, + UPDATE_LOCK_STATUS, 1, + 1, 10); + + TRACE_OPTC_LOCK_UNLOCK_STATE(optc1, optc->inst, true); +} + +void optc1_unlock(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_MASTER_UPDATE_LOCK, 0, + OTG_MASTER_UPDATE_LOCK, 0); + + TRACE_OPTC_LOCK_UNLOCK_STATE(optc1, optc->inst, false); +} + +void optc1_get_position(struct timing_generator *optc, + struct crtc_position *position) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_GET_2(OTG_STATUS_POSITION, + OTG_HORZ_COUNT, &position->horizontal_count, + OTG_VERT_COUNT, &position->vertical_count); + + REG_GET(OTG_NOM_VERT_POSITION, + OTG_VERT_COUNT_NOM, &position->nominal_vcount); +} + +bool optc1_is_counter_moving(struct timing_generator *optc) +{ + struct crtc_position position1, position2; + + optc->funcs->get_position(optc, &position1); + optc->funcs->get_position(optc, &position2); + + if (position1.horizontal_count == position2.horizontal_count && + position1.vertical_count == position2.vertical_count) + return false; + else + return true; +} + +bool optc1_did_triggered_reset_occur( + struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t occurred_force, occurred_vsync; + + REG_GET(OTG_FORCE_COUNT_NOW_CNTL, + OTG_FORCE_COUNT_NOW_OCCURRED, &occurred_force); + + REG_GET(OTG_VERT_SYNC_CONTROL, + OTG_FORCE_VSYNC_NEXT_LINE_OCCURRED, &occurred_vsync); + + return occurred_vsync != 0 || occurred_force != 0; +} + +void optc1_disable_reset_trigger(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_WRITE(OTG_TRIGA_CNTL, 0); + + REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, + OTG_FORCE_COUNT_NOW_CLEAR, 1); + + REG_SET(OTG_VERT_SYNC_CONTROL, 0, + OTG_FORCE_VSYNC_NEXT_LINE_CLEAR, 1); +} + +void optc1_enable_reset_trigger(struct timing_generator *optc, int source_tg_inst) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t falling_edge; + + REG_GET(OTG_V_SYNC_A_CNTL, + OTG_V_SYNC_A_POL, &falling_edge); + + if (falling_edge) + REG_SET_3(OTG_TRIGA_CNTL, 0, + /* vsync signal from selected OTG pipe based + * on OTG_TRIG_SOURCE_PIPE_SELECT setting + */ + OTG_TRIGA_SOURCE_SELECT, 20, + OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, + /* always detect falling edge */ + OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 1); + else + REG_SET_3(OTG_TRIGA_CNTL, 0, + /* vsync signal from selected OTG pipe based + * on OTG_TRIG_SOURCE_PIPE_SELECT setting + */ + OTG_TRIGA_SOURCE_SELECT, 20, + OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, + /* always detect rising edge */ + OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1); + + REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, + /* force H count to H_TOTAL and V count to V_TOTAL in + * progressive mode and V_TOTAL-1 in interlaced mode + */ + OTG_FORCE_COUNT_NOW_MODE, 2); +} + +void optc1_enable_crtc_reset( + struct timing_generator *optc, + int source_tg_inst, + struct crtc_trigger_info *crtc_tp) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t falling_edge = 0; + uint32_t rising_edge = 0; + + switch (crtc_tp->event) { + + case CRTC_EVENT_VSYNC_RISING: + rising_edge = 1; + break; + + case CRTC_EVENT_VSYNC_FALLING: + falling_edge = 1; + break; + } + + REG_SET_4(OTG_TRIGA_CNTL, 0, + /* vsync signal from selected OTG pipe based + * on OTG_TRIG_SOURCE_PIPE_SELECT setting + */ + OTG_TRIGA_SOURCE_SELECT, 20, + OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst, + /* always detect falling edge */ + OTG_TRIGA_RISING_EDGE_DETECT_CNTL, rising_edge, + OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, falling_edge); + + switch (crtc_tp->delay) { + case TRIGGER_DELAY_NEXT_LINE: + REG_SET(OTG_VERT_SYNC_CONTROL, 0, + OTG_AUTO_FORCE_VSYNC_MODE, 1); + break; + case TRIGGER_DELAY_NEXT_PIXEL: + REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0, + /* force H count to H_TOTAL and V count to V_TOTAL in + * progressive mode and V_TOTAL-1 in interlaced mode + */ + OTG_FORCE_COUNT_NOW_MODE, 2); + break; + } +} + +void optc1_wait_for_state(struct timing_generator *optc, + enum crtc_state state) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + switch (state) { + case CRTC_STATE_VBLANK: + REG_WAIT(OTG_STATUS, + OTG_V_BLANK, 1, + 1, 100000); /* 1 vupdate at 10hz */ + break; + + case CRTC_STATE_VACTIVE: + REG_WAIT(OTG_STATUS, + OTG_V_ACTIVE_DISP, 1, + 1, 100000); /* 1 vupdate at 10hz */ + break; + + default: + break; + } +} + +void optc1_set_early_control( + struct timing_generator *optc, + uint32_t early_cntl) +{ + /* asic design change, do not need this control + * empty for share caller logic + */ +} + + +void optc1_set_static_screen_control( + struct timing_generator *optc, + uint32_t event_triggers, + uint32_t num_frames) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + // By register spec, it only takes 8 bit value + if (num_frames > 0xFF) + num_frames = 0xFF; + + /* Bit 8 is no longer applicable in RV for PSR case, + * set bit 8 to 0 if given + */ + if ((event_triggers & STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN) + != 0) + event_triggers = event_triggers & + ~STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN; + + REG_SET_2(OTG_STATIC_SCREEN_CONTROL, 0, + OTG_STATIC_SCREEN_EVENT_MASK, event_triggers, + OTG_STATIC_SCREEN_FRAME_COUNT, num_frames); +} + +static void optc1_setup_manual_trigger(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_GLOBAL_CONTROL2, 0, + MANUAL_FLOW_CONTROL_SEL, optc->inst); + + REG_SET_8(OTG_TRIGA_CNTL, 0, + OTG_TRIGA_SOURCE_SELECT, 22, + OTG_TRIGA_SOURCE_PIPE_SELECT, optc->inst, + OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1, + OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 0, + OTG_TRIGA_POLARITY_SELECT, 0, + OTG_TRIGA_FREQUENCY_SELECT, 0, + OTG_TRIGA_DELAY, 0, + OTG_TRIGA_CLEAR, 1); +} + +static void optc1_program_manual_trigger(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, + MANUAL_FLOW_CONTROL, 1); + + REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, + MANUAL_FLOW_CONTROL, 0); +} + +/** + * optc1_set_drr() - Program dynamic refresh rate registers m_OTGx_OTG_V_TOTAL_*. + * + * @optc: timing_generator instance. + * @params: parameters used for Dynamic Refresh Rate. + */ +void optc1_set_drr( + struct timing_generator *optc, + const struct drr_params *params) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + if (params != NULL && + params->vertical_total_max > 0 && + params->vertical_total_min > 0) { + + if (params->vertical_total_mid != 0) { + + REG_SET(OTG_V_TOTAL_MID, 0, + OTG_V_TOTAL_MID, params->vertical_total_mid - 1); + + REG_UPDATE_2(OTG_V_TOTAL_CONTROL, + OTG_VTOTAL_MID_REPLACING_MAX_EN, 1, + OTG_VTOTAL_MID_FRAME_NUM, + (uint8_t)params->vertical_total_mid_frame_num); + + } + + optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1); + + REG_UPDATE_5(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, 1, + OTG_V_TOTAL_MAX_SEL, 1, + OTG_FORCE_LOCK_ON_EVENT, 0, + OTG_SET_V_TOTAL_MIN_MASK_EN, 0, + OTG_SET_V_TOTAL_MIN_MASK, 0); + } + + // Setup manual flow control for EOF via TRIG_A + optc->funcs->setup_manual_trigger(optc); +} + +void optc1_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_SET(OTG_V_TOTAL_MAX, 0, + OTG_V_TOTAL_MAX, vtotal_max); + + REG_SET(OTG_V_TOTAL_MIN, 0, + OTG_V_TOTAL_MIN, vtotal_min); +} + +static void optc1_set_test_pattern( + struct timing_generator *optc, + /* TODO: replace 'controller_dp_test_pattern' by 'test_pattern_mode' + * because this is not DP-specific (which is probably somewhere in DP + * encoder) */ + enum controller_dp_test_pattern test_pattern, + enum dc_color_depth color_depth) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + enum test_pattern_color_format bit_depth; + enum test_pattern_dyn_range dyn_range; + enum test_pattern_mode mode; + uint32_t pattern_mask; + uint32_t pattern_data; + /* color ramp generator mixes 16-bits color */ + uint32_t src_bpc = 16; + /* requested bpc */ + uint32_t dst_bpc; + uint32_t index; + /* RGB values of the color bars. + * Produce two RGB colors: RGB0 - white (all Fs) + * and RGB1 - black (all 0s) + * (three RGB components for two colors) + */ + uint16_t src_color[6] = {0xFFFF, 0xFFFF, 0xFFFF, 0x0000, + 0x0000, 0x0000}; + /* dest color (converted to the specified color format) */ + uint16_t dst_color[6]; + uint32_t inc_base; + + /* translate to bit depth */ + switch (color_depth) { + case COLOR_DEPTH_666: + bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_6; + break; + case COLOR_DEPTH_888: + bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8; + break; + case COLOR_DEPTH_101010: + bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_10; + break; + case COLOR_DEPTH_121212: + bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_12; + break; + default: + bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8; + break; + } + + switch (test_pattern) { + case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES: + case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA: + { + dyn_range = (test_pattern == + CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA ? + TEST_PATTERN_DYN_RANGE_CEA : + TEST_PATTERN_DYN_RANGE_VESA); + mode = TEST_PATTERN_MODE_COLORSQUARES_RGB; + + REG_UPDATE_2(OTG_TEST_PATTERN_PARAMETERS, + OTG_TEST_PATTERN_VRES, 6, + OTG_TEST_PATTERN_HRES, 6); + + REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL, + OTG_TEST_PATTERN_EN, 1, + OTG_TEST_PATTERN_MODE, mode, + OTG_TEST_PATTERN_DYNAMIC_RANGE, dyn_range, + OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); + } + break; + + case CONTROLLER_DP_TEST_PATTERN_VERTICALBARS: + case CONTROLLER_DP_TEST_PATTERN_HORIZONTALBARS: + { + mode = (test_pattern == + CONTROLLER_DP_TEST_PATTERN_VERTICALBARS ? + TEST_PATTERN_MODE_VERTICALBARS : + TEST_PATTERN_MODE_HORIZONTALBARS); + + switch (bit_depth) { + case TEST_PATTERN_COLOR_FORMAT_BPC_6: + dst_bpc = 6; + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_8: + dst_bpc = 8; + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_10: + dst_bpc = 10; + break; + default: + dst_bpc = 8; + break; + } + + /* adjust color to the required colorFormat */ + for (index = 0; index < 6; index++) { + /* dst = 2^dstBpc * src / 2^srcBpc = src >> + * (srcBpc - dstBpc); + */ + dst_color[index] = + src_color[index] >> (src_bpc - dst_bpc); + /* CRTC_TEST_PATTERN_DATA has 16 bits, + * lowest 6 are hardwired to ZERO + * color bits should be left aligned to MSB + * XXXXXXXXXX000000 for 10 bit, + * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6 + */ + dst_color[index] <<= (16 - dst_bpc); + } + + REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0); + + /* We have to write the mask before data, similar to pipeline. + * For example, for 8 bpc, if we want RGB0 to be magenta, + * and RGB1 to be cyan, + * we need to make 7 writes: + * MASK DATA + * 000001 00000000 00000000 set mask to R0 + * 000010 11111111 00000000 R0 255, 0xFF00, set mask to G0 + * 000100 00000000 00000000 G0 0, 0x0000, set mask to B0 + * 001000 11111111 00000000 B0 255, 0xFF00, set mask to R1 + * 010000 00000000 00000000 R1 0, 0x0000, set mask to G1 + * 100000 11111111 00000000 G1 255, 0xFF00, set mask to B1 + * 100000 11111111 00000000 B1 255, 0xFF00 + * + * we will make a loop of 6 in which we prepare the mask, + * then write, then prepare the color for next write. + * first iteration will write mask only, + * but each next iteration color prepared in + * previous iteration will be written within new mask, + * the last component will written separately, + * mask is not changing between 6th and 7th write + * and color will be prepared by last iteration + */ + + /* write color, color values mask in CRTC_TEST_PATTERN_MASK + * is B1, G1, R1, B0, G0, R0 + */ + pattern_data = 0; + for (index = 0; index < 6; index++) { + /* prepare color mask, first write PATTERN_DATA + * will have all zeros + */ + pattern_mask = (1 << index); + + /* write color component */ + REG_SET_2(OTG_TEST_PATTERN_COLOR, 0, + OTG_TEST_PATTERN_MASK, pattern_mask, + OTG_TEST_PATTERN_DATA, pattern_data); + + /* prepare next color component, + * will be written in the next iteration + */ + pattern_data = dst_color[index]; + } + /* write last color component, + * it's been already prepared in the loop + */ + REG_SET_2(OTG_TEST_PATTERN_COLOR, 0, + OTG_TEST_PATTERN_MASK, pattern_mask, + OTG_TEST_PATTERN_DATA, pattern_data); + + /* enable test pattern */ + REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL, + OTG_TEST_PATTERN_EN, 1, + OTG_TEST_PATTERN_MODE, mode, + OTG_TEST_PATTERN_DYNAMIC_RANGE, 0, + OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); + } + break; + + case CONTROLLER_DP_TEST_PATTERN_COLORRAMP: + { + mode = (bit_depth == + TEST_PATTERN_COLOR_FORMAT_BPC_10 ? + TEST_PATTERN_MODE_DUALRAMP_RGB : + TEST_PATTERN_MODE_SINGLERAMP_RGB); + + switch (bit_depth) { + case TEST_PATTERN_COLOR_FORMAT_BPC_6: + dst_bpc = 6; + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_8: + dst_bpc = 8; + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_10: + dst_bpc = 10; + break; + default: + dst_bpc = 8; + break; + } + + /* increment for the first ramp for one color gradation + * 1 gradation for 6-bit color is 2^10 + * gradations in 16-bit color + */ + inc_base = (src_bpc - dst_bpc); + + switch (bit_depth) { + case TEST_PATTERN_COLOR_FORMAT_BPC_6: + { + REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, + OTG_TEST_PATTERN_INC0, inc_base, + OTG_TEST_PATTERN_INC1, 0, + OTG_TEST_PATTERN_HRES, 6, + OTG_TEST_PATTERN_VRES, 6, + OTG_TEST_PATTERN_RAMP0_OFFSET, 0); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_8: + { + REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, + OTG_TEST_PATTERN_INC0, inc_base, + OTG_TEST_PATTERN_INC1, 0, + OTG_TEST_PATTERN_HRES, 8, + OTG_TEST_PATTERN_VRES, 6, + OTG_TEST_PATTERN_RAMP0_OFFSET, 0); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_10: + { + REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS, + OTG_TEST_PATTERN_INC0, inc_base, + OTG_TEST_PATTERN_INC1, inc_base + 2, + OTG_TEST_PATTERN_HRES, 8, + OTG_TEST_PATTERN_VRES, 5, + OTG_TEST_PATTERN_RAMP0_OFFSET, 384 << 6); + } + break; + default: + break; + } + + REG_WRITE(OTG_TEST_PATTERN_COLOR, 0); + + /* enable test pattern */ + REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0); + + REG_SET_4(OTG_TEST_PATTERN_CONTROL, 0, + OTG_TEST_PATTERN_EN, 1, + OTG_TEST_PATTERN_MODE, mode, + OTG_TEST_PATTERN_DYNAMIC_RANGE, 0, + OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth); + } + break; + case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE: + { + REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0); + REG_WRITE(OTG_TEST_PATTERN_COLOR, 0); + REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0); + } + break; + default: + break; + + } +} + +void optc1_get_crtc_scanoutpos( + struct timing_generator *optc, + uint32_t *v_blank_start, + uint32_t *v_blank_end, + uint32_t *h_position, + uint32_t *v_position) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + struct crtc_position position; + + REG_GET_2(OTG_V_BLANK_START_END, + OTG_V_BLANK_START, v_blank_start, + OTG_V_BLANK_END, v_blank_end); + + optc1_get_position(optc, &position); + + *h_position = position.horizontal_count; + *v_position = position.vertical_count; +} + +static void optc1_enable_stereo(struct timing_generator *optc, + const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + if (flags) { + uint32_t stereo_en; + stereo_en = flags->FRAME_PACKED == 0 ? 1 : 0; + + if (flags->PROGRAM_STEREO) + REG_UPDATE_3(OTG_STEREO_CONTROL, + OTG_STEREO_EN, stereo_en, + OTG_STEREO_SYNC_OUTPUT_LINE_NUM, 0, + OTG_STEREO_SYNC_OUTPUT_POLARITY, flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1); + + if (flags->PROGRAM_POLARITY) + REG_UPDATE(OTG_STEREO_CONTROL, + OTG_STEREO_EYE_FLAG_POLARITY, + flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1); + + if (flags->DISABLE_STEREO_DP_SYNC) + REG_UPDATE(OTG_STEREO_CONTROL, + OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1); + + if (flags->PROGRAM_STEREO) + REG_UPDATE_2(OTG_3D_STRUCTURE_CONTROL, + OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED, + OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED); + + } +} + +void optc1_program_stereo(struct timing_generator *optc, + const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags) +{ + if (flags->PROGRAM_STEREO) + optc1_enable_stereo(optc, timing, flags); + else + optc1_disable_stereo(optc); +} + + +bool optc1_is_stereo_left_eye(struct timing_generator *optc) +{ + bool ret = false; + uint32_t left_eye = 0; + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_GET(OTG_STEREO_STATUS, + OTG_STEREO_CURRENT_EYE, &left_eye); + if (left_eye == 1) + ret = true; + else + ret = false; + + return ret; +} + +bool optc1_get_hw_timing(struct timing_generator *tg, + struct dc_crtc_timing *hw_crtc_timing) +{ + struct dcn_otg_state s = {0}; + + if (tg == NULL || hw_crtc_timing == NULL) + return false; + + optc1_read_otg_state(DCN10TG_FROM_TG(tg), &s); + + hw_crtc_timing->h_total = s.h_total + 1; + hw_crtc_timing->h_addressable = s.h_total - ((s.h_total - s.h_blank_start) + s.h_blank_end); + hw_crtc_timing->h_front_porch = s.h_total + 1 - s.h_blank_start; + hw_crtc_timing->h_sync_width = s.h_sync_a_end - s.h_sync_a_start; + + hw_crtc_timing->v_total = s.v_total + 1; + hw_crtc_timing->v_addressable = s.v_total - ((s.v_total - s.v_blank_start) + s.v_blank_end); + hw_crtc_timing->v_front_porch = s.v_total + 1 - s.v_blank_start; + hw_crtc_timing->v_sync_width = s.v_sync_a_end - s.v_sync_a_start; + + return true; +} + + +void optc1_read_otg_state(struct optc *optc1, + struct dcn_otg_state *s) +{ + REG_GET(OTG_CONTROL, + OTG_MASTER_EN, &s->otg_enabled); + + REG_GET_2(OTG_V_BLANK_START_END, + OTG_V_BLANK_START, &s->v_blank_start, + OTG_V_BLANK_END, &s->v_blank_end); + + REG_GET(OTG_V_SYNC_A_CNTL, + OTG_V_SYNC_A_POL, &s->v_sync_a_pol); + + REG_GET(OTG_V_TOTAL, + OTG_V_TOTAL, &s->v_total); + + REG_GET(OTG_V_TOTAL_MAX, + OTG_V_TOTAL_MAX, &s->v_total_max); + + REG_GET(OTG_V_TOTAL_MIN, + OTG_V_TOTAL_MIN, &s->v_total_min); + + REG_GET(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MAX_SEL, &s->v_total_max_sel); + + REG_GET(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, &s->v_total_min_sel); + + REG_GET_2(OTG_V_SYNC_A, + OTG_V_SYNC_A_START, &s->v_sync_a_start, + OTG_V_SYNC_A_END, &s->v_sync_a_end); + + REG_GET_2(OTG_H_BLANK_START_END, + OTG_H_BLANK_START, &s->h_blank_start, + OTG_H_BLANK_END, &s->h_blank_end); + + REG_GET_2(OTG_H_SYNC_A, + OTG_H_SYNC_A_START, &s->h_sync_a_start, + OTG_H_SYNC_A_END, &s->h_sync_a_end); + + REG_GET(OTG_H_SYNC_A_CNTL, + OTG_H_SYNC_A_POL, &s->h_sync_a_pol); + + REG_GET(OTG_H_TOTAL, + OTG_H_TOTAL, &s->h_total); + + REG_GET(OPTC_INPUT_GLOBAL_CONTROL, + OPTC_UNDERFLOW_OCCURRED_STATUS, &s->underflow_occurred_status); + + REG_GET(OTG_VERTICAL_INTERRUPT1_CONTROL, + OTG_VERTICAL_INTERRUPT1_INT_ENABLE, &s->vertical_interrupt1_en); + + REG_GET(OTG_VERTICAL_INTERRUPT1_POSITION, + OTG_VERTICAL_INTERRUPT1_LINE_START, &s->vertical_interrupt1_line); + + REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL, + OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &s->vertical_interrupt2_en); + + REG_GET(OTG_VERTICAL_INTERRUPT2_POSITION, + OTG_VERTICAL_INTERRUPT2_LINE_START, &s->vertical_interrupt2_line); +} + +bool optc1_get_otg_active_size(struct timing_generator *optc, + uint32_t *otg_active_width, + uint32_t *otg_active_height) +{ + uint32_t otg_enabled; + uint32_t v_blank_start; + uint32_t v_blank_end; + uint32_t h_blank_start; + uint32_t h_blank_end; + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + + REG_GET(OTG_CONTROL, + OTG_MASTER_EN, &otg_enabled); + + if (otg_enabled == 0) + return false; + + REG_GET_2(OTG_V_BLANK_START_END, + OTG_V_BLANK_START, &v_blank_start, + OTG_V_BLANK_END, &v_blank_end); + + REG_GET_2(OTG_H_BLANK_START_END, + OTG_H_BLANK_START, &h_blank_start, + OTG_H_BLANK_END, &h_blank_end); + + *otg_active_width = v_blank_start - v_blank_end; + *otg_active_height = h_blank_start - h_blank_end; + return true; +} + +void optc1_clear_optc_underflow(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_UPDATE(OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, 1); +} + +void optc1_tg_init(struct timing_generator *optc) +{ + optc1_set_blank_data_double_buffer(optc, true); + optc1_set_timing_double_buffer(optc, true); + optc1_clear_optc_underflow(optc); +} + +bool optc1_is_tg_enabled(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t otg_enabled = 0; + + REG_GET(OTG_CONTROL, OTG_MASTER_EN, &otg_enabled); + + return (otg_enabled != 0); + +} + +bool optc1_is_optc_underflow_occurred(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t underflow_occurred = 0; + + REG_GET(OPTC_INPUT_GLOBAL_CONTROL, + OPTC_UNDERFLOW_OCCURRED_STATUS, + &underflow_occurred); + + return (underflow_occurred == 1); +} + +bool optc1_configure_crc(struct timing_generator *optc, + const struct crc_params *params) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + /* Cannot configure crc on a CRTC that is disabled */ + if (!optc1_is_tg_enabled(optc)) + return false; + + REG_WRITE(OTG_CRC_CNTL, 0); + + if (!params->enable) + return true; + + /* Program frame boundaries */ + /* Window A x axis start and end. */ + REG_UPDATE_2(OTG_CRC0_WINDOWA_X_CONTROL, + OTG_CRC0_WINDOWA_X_START, params->windowa_x_start, + OTG_CRC0_WINDOWA_X_END, params->windowa_x_end); + + /* Window A y axis start and end. */ + REG_UPDATE_2(OTG_CRC0_WINDOWA_Y_CONTROL, + OTG_CRC0_WINDOWA_Y_START, params->windowa_y_start, + OTG_CRC0_WINDOWA_Y_END, params->windowa_y_end); + + /* Window B x axis start and end. */ + REG_UPDATE_2(OTG_CRC0_WINDOWB_X_CONTROL, + OTG_CRC0_WINDOWB_X_START, params->windowb_x_start, + OTG_CRC0_WINDOWB_X_END, params->windowb_x_end); + + /* Window B y axis start and end. */ + REG_UPDATE_2(OTG_CRC0_WINDOWB_Y_CONTROL, + OTG_CRC0_WINDOWB_Y_START, params->windowb_y_start, + OTG_CRC0_WINDOWB_Y_END, params->windowb_y_end); + + /* Set crc mode and selection, and enable. Only using CRC0*/ + REG_UPDATE_3(OTG_CRC_CNTL, + OTG_CRC_CONT_EN, params->continuous_mode ? 1 : 0, + OTG_CRC0_SELECT, params->selection, + OTG_CRC_EN, 1); + + return true; +} + +/** + * optc1_get_crc - Capture CRC result per component + * + * @optc: timing_generator instance. + * @r_cr: 16-bit primary CRC signature for red data. + * @g_y: 16-bit primary CRC signature for green data. + * @b_cb: 16-bit primary CRC signature for blue data. + * + * This function reads the CRC signature from the OPTC registers. Notice that + * we have three registers to keep the CRC result per color component (RGB). + * + * Returns: + * If CRC is disabled, return false; otherwise, return true, and the CRC + * results in the parameters. + */ +bool optc1_get_crc(struct timing_generator *optc, + uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb) +{ + uint32_t field = 0; + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_GET(OTG_CRC_CNTL, OTG_CRC_EN, &field); + + /* Early return if CRC is not enabled for this CRTC */ + if (!field) + return false; + + /* OTG_CRC0_DATA_RG has the CRC16 results for the red and green component */ + REG_GET_2(OTG_CRC0_DATA_RG, + CRC0_R_CR, r_cr, + CRC0_G_Y, g_y); + + /* OTG_CRC0_DATA_B has the CRC16 results for the blue component */ + REG_GET(OTG_CRC0_DATA_B, + CRC0_B_CB, b_cb); + + return true; +} + +static const struct timing_generator_funcs dcn10_tg_funcs = { + .validate_timing = optc1_validate_timing, + .program_timing = optc1_program_timing, + .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0, + .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1, + .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2, + .program_global_sync = optc1_program_global_sync, + .enable_crtc = optc1_enable_crtc, + .disable_crtc = optc1_disable_crtc, + /* used by enable_timing_synchronization. Not need for FPGA */ + .is_counter_moving = optc1_is_counter_moving, + .get_position = optc1_get_position, + .get_frame_count = optc1_get_vblank_counter, + .get_scanoutpos = optc1_get_crtc_scanoutpos, + .get_otg_active_size = optc1_get_otg_active_size, + .set_early_control = optc1_set_early_control, + /* used by enable_timing_synchronization. Not need for FPGA */ + .wait_for_state = optc1_wait_for_state, + .set_blank = optc1_set_blank, + .is_blanked = optc1_is_blanked, + .set_blank_color = optc1_program_blank_color, + .did_triggered_reset_occur = optc1_did_triggered_reset_occur, + .enable_reset_trigger = optc1_enable_reset_trigger, + .enable_crtc_reset = optc1_enable_crtc_reset, + .disable_reset_trigger = optc1_disable_reset_trigger, + .lock = optc1_lock, + .unlock = optc1_unlock, + .enable_optc_clock = optc1_enable_optc_clock, + .set_drr = optc1_set_drr, + .get_last_used_drr_vtotal = NULL, + .set_vtotal_min_max = optc1_set_vtotal_min_max, + .set_static_screen_control = optc1_set_static_screen_control, + .set_test_pattern = optc1_set_test_pattern, + .program_stereo = optc1_program_stereo, + .is_stereo_left_eye = optc1_is_stereo_left_eye, + .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer, + .tg_init = optc1_tg_init, + .is_tg_enabled = optc1_is_tg_enabled, + .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred, + .clear_optc_underflow = optc1_clear_optc_underflow, + .get_crc = optc1_get_crc, + .configure_crc = optc1_configure_crc, + .set_vtg_params = optc1_set_vtg_params, + .program_manual_trigger = optc1_program_manual_trigger, + .setup_manual_trigger = optc1_setup_manual_trigger, + .get_hw_timing = optc1_get_hw_timing, +}; + +void dcn10_timing_generator_init(struct optc *optc1) +{ + optc1->base.funcs = &dcn10_tg_funcs; + + optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1; + optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1; + + optc1->min_h_blank = 32; + optc1->min_v_blank = 3; + optc1->min_v_blank_interlace = 5; + optc1->min_h_sync_width = 4; + optc1->min_v_sync_width = 1; +} + +/* "Containter" vs. "pixel" is a concept within HW blocks, mostly those closer to the back-end. It works like this: + * + * - In most of the formats (RGB or YCbCr 4:4:4, 4:2:2 uncompressed and DSC 4:2:2 Simple) pixel rate is the same as + * containter rate. + * + * - In 4:2:0 (DSC or uncompressed) there are two pixels per container, hence the target container rate has to be + * halved to maintain the correct pixel rate. + * + * - Unlike 4:2:2 uncompressed, DSC 4:2:2 Native also has two pixels per container (this happens when DSC is applied + * to it) and has to be treated the same as 4:2:0, i.e. target containter rate has to be halved in this case as well. + * + */ +bool optc1_is_two_pixels_per_containter(const struct dc_crtc_timing *timing) +{ + bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420; + + two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422 + && !timing->dsc_cfg.ycbcr422_simple); + return two_pix; +} + |