diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c | 1966 |
1 files changed, 1966 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c new file mode 100644 index 000000000000..4befce6cd87a --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c @@ -0,0 +1,1966 @@ +/* + * 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 "dm_services.h" + +/* include DCE11 register header files */ +#include "dce/dce_11_0_d.h" +#include "dce/dce_11_0_sh_mask.h" + +#include "dc_types.h" +#include "dc_bios_types.h" +#include "dc.h" + +#include "include/grph_object_id.h" +#include "include/logger_interface.h" +#include "dce110_timing_generator.h" + +#include "timing_generator.h" + + +#define NUMBER_OF_FRAME_TO_WAIT_ON_TRIGGERED_RESET 10 + +#define MAX_H_TOTAL (CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1) +#define MAX_V_TOTAL (CRTC_V_TOTAL__CRTC_V_TOTAL_MASKhw + 1) + +#define CRTC_REG(reg) (reg + tg110->offsets.crtc) +#define DCP_REG(reg) (reg + tg110->offsets.dcp) + +/* Flowing register offsets are same in files of + * dce/dce_11_0_d.h + * dce/vi_polaris10_p/vi_polaris10_d.h + * + * So we can create dce110 timing generator to use it. + */ + + +/* +* 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. +*/ +static void dce110_timing_generator_apply_front_porch_workaround( + struct timing_generator *tg, + 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; + } +} + +/** + ***************************************************************************** + * Function: is_in_vertical_blank + * + * @brief + * check the current status of CRTC to check if we are in Vertical Blank + * regioneased" state + * + * @return + * true if currently in blank region, false otherwise + * + ***************************************************************************** + */ +static bool dce110_timing_generator_is_in_vertical_blank( + struct timing_generator *tg) +{ + uint32_t addr = 0; + uint32_t value = 0; + uint32_t field = 0; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + addr = CRTC_REG(mmCRTC_STATUS); + value = dm_read_reg(tg->ctx, addr); + field = get_reg_field_value(value, CRTC_STATUS, CRTC_V_BLANK); + return field == 1; +} + +void dce110_timing_generator_set_early_control( + struct timing_generator *tg, + uint32_t early_cntl) +{ + uint32_t regval; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t address = CRTC_REG(mmCRTC_CONTROL); + + regval = dm_read_reg(tg->ctx, address); + set_reg_field_value(regval, early_cntl, + CRTC_CONTROL, CRTC_HBLANK_EARLY_CONTROL); + dm_write_reg(tg->ctx, address, regval); +} + +/** + * Enable CRTC + * Enable CRTC - call ASIC Control Object to enable Timing generator. + */ +bool dce110_timing_generator_enable_crtc(struct timing_generator *tg) +{ + enum bp_result result; + + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = 0; + + /* + * 3 is used to make sure V_UPDATE occurs at the beginning of the first + * line of vertical front porch + */ + set_reg_field_value( + value, + 0, + CRTC_MASTER_UPDATE_MODE, + MASTER_UPDATE_MODE); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_MASTER_UPDATE_MODE), value); + + /* TODO: may want this on to catch underflow */ + value = 0; + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_MASTER_UPDATE_LOCK), value); + + result = tg->bp->funcs->enable_crtc(tg->bp, tg110->controller_id, true); + + return result == BP_RESULT_OK; +} + +void dce110_timing_generator_program_blank_color( + struct timing_generator *tg, + const struct tg_color *black_color) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_BLACK_COLOR); + uint32_t value = dm_read_reg(tg->ctx, addr); + + set_reg_field_value( + value, + black_color->color_b_cb, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_B_CB); + set_reg_field_value( + value, + black_color->color_g_y, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_G_Y); + set_reg_field_value( + value, + black_color->color_r_cr, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_R_CR); + + dm_write_reg(tg->ctx, addr, value); +} + +/** + ***************************************************************************** + * Function: disable_stereo + * + * @brief + * Disables active stereo on controller + * Frame Packing need to be disabled in vBlank or when CRTC not running + ***************************************************************************** + */ +#if 0 +@TODOSTEREO +static void disable_stereo(struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_3D_STRUCTURE_CONTROL); + uint32_t value = 0; + uint32_t test = 0; + uint32_t field = 0; + uint32_t struc_en = 0; + uint32_t struc_stereo_sel_ovr = 0; + + value = dm_read_reg(tg->ctx, addr); + struc_en = get_reg_field_value( + value, + CRTC_3D_STRUCTURE_CONTROL, + CRTC_3D_STRUCTURE_EN); + + struc_stereo_sel_ovr = get_reg_field_value( + value, + CRTC_3D_STRUCTURE_CONTROL, + CRTC_3D_STRUCTURE_STEREO_SEL_OVR); + + /* + * When disabling Frame Packing in 2 step mode, we need to program both + * registers at the same frame + * Programming it in the beginning of VActive makes sure we are ok + */ + + if (struc_en != 0 && struc_stereo_sel_ovr == 0) { + tg->funcs->wait_for_vblank(tg); + tg->funcs->wait_for_vactive(tg); + } + + value = 0; + dm_write_reg(tg->ctx, addr, value); + + addr = tg->regs[IDX_CRTC_STEREO_CONTROL]; + dm_write_reg(tg->ctx, addr, value); +} +#endif + +/** + * disable_crtc - call ASIC Control Object to disable Timing generator. + */ +bool dce110_timing_generator_disable_crtc(struct timing_generator *tg) +{ + enum bp_result result; + + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + result = tg->bp->funcs->enable_crtc(tg->bp, tg110->controller_id, false); + + /* Need to make sure stereo is disabled according to the DCE5.0 spec */ + + /* + * @TODOSTEREO call this when adding stereo support + * tg->funcs->disable_stereo(tg); + */ + + return result == BP_RESULT_OK; +} + +/** +* program_horz_count_by_2 +* Programs DxCRTC_HORZ_COUNT_BY2_EN - 1 for DVI 30bpp mode, 0 otherwise +* +*/ +static void program_horz_count_by_2( + struct timing_generator *tg, + const struct dc_crtc_timing *timing) +{ + uint32_t regval; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + regval = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_COUNT_CONTROL)); + + set_reg_field_value(regval, 0, CRTC_COUNT_CONTROL, + CRTC_HORZ_COUNT_BY2_EN); + + if (timing->flags.HORZ_COUNT_BY_TWO) + set_reg_field_value(regval, 1, CRTC_COUNT_CONTROL, + CRTC_HORZ_COUNT_BY2_EN); + + dm_write_reg(tg->ctx, + CRTC_REG(mmCRTC_COUNT_CONTROL), regval); +} + +/** + * program_timing_generator + * Program CRTC Timing Registers - DxCRTC_H_*, DxCRTC_V_*, Pixel repetition. + * Call ASIC Control Object to program Timings. + */ +bool dce110_timing_generator_program_timing_generator( + struct timing_generator *tg, + const struct dc_crtc_timing *dc_crtc_timing) +{ + enum bp_result result; + struct bp_hw_crtc_timing_parameters bp_params; + struct dc_crtc_timing patched_crtc_timing; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + uint32_t vsync_offset = dc_crtc_timing->v_border_bottom + + dc_crtc_timing->v_front_porch; + uint32_t v_sync_start =dc_crtc_timing->v_addressable + vsync_offset; + + uint32_t hsync_offset = dc_crtc_timing->h_border_right + + dc_crtc_timing->h_front_porch; + uint32_t h_sync_start = dc_crtc_timing->h_addressable + hsync_offset; + + memset(&bp_params, 0, sizeof(struct bp_hw_crtc_timing_parameters)); + + /* Due to an asic bug we need to apply the Front Porch workaround prior + * to programming the timing. + */ + + patched_crtc_timing = *dc_crtc_timing; + + dce110_timing_generator_apply_front_porch_workaround(tg, &patched_crtc_timing); + + bp_params.controller_id = tg110->controller_id; + + bp_params.h_total = patched_crtc_timing.h_total; + bp_params.h_addressable = + patched_crtc_timing.h_addressable; + bp_params.v_total = patched_crtc_timing.v_total; + bp_params.v_addressable = patched_crtc_timing.v_addressable; + + bp_params.h_sync_start = h_sync_start; + bp_params.h_sync_width = patched_crtc_timing.h_sync_width; + bp_params.v_sync_start = v_sync_start; + bp_params.v_sync_width = patched_crtc_timing.v_sync_width; + + /* Set overscan */ + bp_params.h_overscan_left = + patched_crtc_timing.h_border_left; + bp_params.h_overscan_right = + patched_crtc_timing.h_border_right; + bp_params.v_overscan_top = patched_crtc_timing.v_border_top; + bp_params.v_overscan_bottom = + patched_crtc_timing.v_border_bottom; + + /* Set flags */ + if (patched_crtc_timing.flags.HSYNC_POSITIVE_POLARITY == 1) + bp_params.flags.HSYNC_POSITIVE_POLARITY = 1; + + if (patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY == 1) + bp_params.flags.VSYNC_POSITIVE_POLARITY = 1; + + if (patched_crtc_timing.flags.INTERLACE == 1) + bp_params.flags.INTERLACE = 1; + + if (patched_crtc_timing.flags.HORZ_COUNT_BY_TWO == 1) + bp_params.flags.HORZ_COUNT_BY_TWO = 1; + + result = tg->bp->funcs->program_crtc_timing(tg->bp, &bp_params); + + program_horz_count_by_2(tg, &patched_crtc_timing); + + tg110->base.funcs->enable_advanced_request(tg, true, &patched_crtc_timing); + + /* Enable stereo - only when we need to pack 3D frame. Other types + * of stereo handled in explicit call */ + + return result == BP_RESULT_OK; +} + +/** + ***************************************************************************** + * Function: set_drr + * + * @brief + * Program dynamic refresh rate registers m_DxCRTC_V_TOTAL_*. + * + * @param [in] pHwCrtcTiming: point to H + * wCrtcTiming struct + ***************************************************************************** + */ +void dce110_timing_generator_set_drr( + struct timing_generator *tg, + const struct drr_params *params) +{ + /* register values */ + uint32_t v_total_min = 0; + uint32_t v_total_max = 0; + uint32_t v_total_cntl = 0; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + uint32_t addr = 0; + + addr = CRTC_REG(mmCRTC_V_TOTAL_MIN); + v_total_min = dm_read_reg(tg->ctx, addr); + + addr = CRTC_REG(mmCRTC_V_TOTAL_MAX); + v_total_max = dm_read_reg(tg->ctx, addr); + + addr = CRTC_REG(mmCRTC_V_TOTAL_CONTROL); + v_total_cntl = dm_read_reg(tg->ctx, addr); + + if (params != NULL && + params->vertical_total_max > 0 && + params->vertical_total_min > 0) { + + set_reg_field_value(v_total_max, + params->vertical_total_max - 1, + CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX); + + set_reg_field_value(v_total_min, + params->vertical_total_min - 1, + CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN); + + set_reg_field_value(v_total_cntl, + 1, + CRTC_V_TOTAL_CONTROL, + CRTC_V_TOTAL_MIN_SEL); + + set_reg_field_value(v_total_cntl, + 1, + CRTC_V_TOTAL_CONTROL, + CRTC_V_TOTAL_MAX_SEL); + + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_FORCE_LOCK_ON_EVENT); + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_FORCE_LOCK_TO_MASTER_VSYNC); + + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_SET_V_TOTAL_MIN_MASK_EN); + + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_SET_V_TOTAL_MIN_MASK); + } else { + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_SET_V_TOTAL_MIN_MASK); + set_reg_field_value(v_total_min, + 0, + CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN); + set_reg_field_value(v_total_max, + 0, + CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX); + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_V_TOTAL_MIN_SEL); + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_V_TOTAL_MAX_SEL); + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_FORCE_LOCK_ON_EVENT); + set_reg_field_value(v_total_cntl, + 0, + CRTC_V_TOTAL_CONTROL, + CRTC_FORCE_LOCK_TO_MASTER_VSYNC); + } + + addr = CRTC_REG(mmCRTC_V_TOTAL_MIN); + dm_write_reg(tg->ctx, addr, v_total_min); + + addr = CRTC_REG(mmCRTC_V_TOTAL_MAX); + dm_write_reg(tg->ctx, addr, v_total_max); + + addr = CRTC_REG(mmCRTC_V_TOTAL_CONTROL); + dm_write_reg(tg->ctx, addr, v_total_cntl); +} + +void dce110_timing_generator_set_static_screen_control( + struct timing_generator *tg, + uint32_t value) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t static_screen_cntl = 0; + uint32_t addr = 0; + + addr = CRTC_REG(mmCRTC_STATIC_SCREEN_CONTROL); + static_screen_cntl = dm_read_reg(tg->ctx, addr); + + set_reg_field_value(static_screen_cntl, + value, + CRTC_STATIC_SCREEN_CONTROL, + CRTC_STATIC_SCREEN_EVENT_MASK); + + set_reg_field_value(static_screen_cntl, + 2, + CRTC_STATIC_SCREEN_CONTROL, + CRTC_STATIC_SCREEN_FRAME_COUNT); + + dm_write_reg(tg->ctx, addr, static_screen_cntl); +} + +/* + * 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 *tg - [in] timing generator which controls the + * desired CRTC + * + * @return + * Counter of frames, which should equal to number of vblanks. + */ +uint32_t dce110_timing_generator_get_vblank_counter(struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_STATUS_FRAME_COUNT); + uint32_t value = dm_read_reg(tg->ctx, addr); + uint32_t field = get_reg_field_value( + value, CRTC_STATUS_FRAME_COUNT, CRTC_FRAME_COUNT); + + return field; +} + +/** + ***************************************************************************** + * Function: dce110_timing_generator_get_position + * + * @brief + * Returns CRTC vertical/horizontal counters + * + * @param [out] position + ***************************************************************************** + */ +void dce110_timing_generator_get_position(struct timing_generator *tg, + struct crtc_position *position) +{ + uint32_t value; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_STATUS_POSITION)); + + position->horizontal_count = get_reg_field_value( + value, + CRTC_STATUS_POSITION, + CRTC_HORZ_COUNT); + + position->vertical_count = get_reg_field_value( + value, + CRTC_STATUS_POSITION, + CRTC_VERT_COUNT); + + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_NOM_VERT_POSITION)); + + position->nominal_vcount = get_reg_field_value( + value, + CRTC_NOM_VERT_POSITION, + CRTC_VERT_COUNT_NOM); +} + +/** + ***************************************************************************** + * Function: get_crtc_scanoutpos + * + * @brief + * Returns CRTC vertical/horizontal counters + * + * @param [out] vpos, hpos + ***************************************************************************** + */ +void dce110_timing_generator_get_crtc_scanoutpos( + struct timing_generator *tg, + uint32_t *v_blank_start, + uint32_t *v_blank_end, + uint32_t *h_position, + uint32_t *v_position) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + struct crtc_position position; + + uint32_t value = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_V_BLANK_START_END)); + + *v_blank_start = get_reg_field_value(value, + CRTC_V_BLANK_START_END, + CRTC_V_BLANK_START); + *v_blank_end = get_reg_field_value(value, + CRTC_V_BLANK_START_END, + CRTC_V_BLANK_END); + + dce110_timing_generator_get_position( + tg, &position); + + *h_position = position.horizontal_count; + *v_position = position.vertical_count; +} + +/* TODO: is it safe to assume that mask/shift of Primary and Underlay + * are the same? + * For example: today CRTC_H_TOTAL == CRTCV_H_TOTAL but is it always + * guaranteed? */ +void dce110_timing_generator_program_blanking( + struct timing_generator *tg, + const struct dc_crtc_timing *timing) +{ + uint32_t vsync_offset = timing->v_border_bottom + + timing->v_front_porch; + uint32_t v_sync_start =timing->v_addressable + vsync_offset; + + uint32_t hsync_offset = timing->h_border_right + + timing->h_front_porch; + uint32_t h_sync_start = timing->h_addressable + hsync_offset; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + struct dc_context *ctx = tg->ctx; + uint32_t value = 0; + uint32_t addr = 0; + uint32_t tmp = 0; + + addr = CRTC_REG(mmCRTC_H_TOTAL); + value = dm_read_reg(ctx, addr); + set_reg_field_value( + value, + timing->h_total - 1, + CRTC_H_TOTAL, + CRTC_H_TOTAL); + dm_write_reg(ctx, addr, value); + + addr = CRTC_REG(mmCRTC_V_TOTAL); + value = dm_read_reg(ctx, addr); + set_reg_field_value( + value, + timing->v_total - 1, + CRTC_V_TOTAL, + CRTC_V_TOTAL); + dm_write_reg(ctx, addr, value); + + /* In case of V_TOTAL_CONTROL is on, make sure V_TOTAL_MAX and + * V_TOTAL_MIN are equal to V_TOTAL. + */ + addr = CRTC_REG(mmCRTC_V_TOTAL_MAX); + value = dm_read_reg(ctx, addr); + set_reg_field_value( + value, + timing->v_total - 1, + CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX); + dm_write_reg(ctx, addr, value); + + addr = CRTC_REG(mmCRTC_V_TOTAL_MIN); + value = dm_read_reg(ctx, addr); + set_reg_field_value( + value, + timing->v_total - 1, + CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN); + dm_write_reg(ctx, addr, value); + + addr = CRTC_REG(mmCRTC_H_BLANK_START_END); + value = dm_read_reg(ctx, addr); + + tmp = timing->h_total - + (h_sync_start + timing->h_border_left); + + set_reg_field_value( + value, + tmp, + CRTC_H_BLANK_START_END, + CRTC_H_BLANK_END); + + tmp = tmp + timing->h_addressable + + timing->h_border_left + timing->h_border_right; + + set_reg_field_value( + value, + tmp, + CRTC_H_BLANK_START_END, + CRTC_H_BLANK_START); + + dm_write_reg(ctx, addr, value); + + addr = CRTC_REG(mmCRTC_V_BLANK_START_END); + value = dm_read_reg(ctx, addr); + + tmp = timing->v_total - (v_sync_start + timing->v_border_top); + + set_reg_field_value( + value, + tmp, + CRTC_V_BLANK_START_END, + CRTC_V_BLANK_END); + + tmp = tmp + timing->v_addressable + timing->v_border_top + + timing->v_border_bottom; + + set_reg_field_value( + value, + tmp, + CRTC_V_BLANK_START_END, + CRTC_V_BLANK_START); + + dm_write_reg(ctx, addr, value); +} + +void dce110_timing_generator_set_test_pattern( + struct timing_generator *tg, + /* 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 dc_context *ctx = tg->ctx; + uint32_t value; + uint32_t addr; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + enum test_pattern_color_format bit_depth; + enum test_pattern_dyn_range dyn_range; + enum test_pattern_mode mode; + /* 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; + value = 0; + addr = CRTC_REG(mmCRTC_TEST_PATTERN_PARAMETERS); + + set_reg_field_value( + value, + 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_VRES); + set_reg_field_value( + value, + 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_HRES); + + dm_write_reg(ctx, addr, value); + + addr = CRTC_REG(mmCRTC_TEST_PATTERN_CONTROL); + value = 0; + + set_reg_field_value( + value, + 1, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN); + + set_reg_field_value( + value, + mode, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_MODE); + + set_reg_field_value( + value, + dyn_range, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_DYNAMIC_RANGE); + set_reg_field_value( + value, + bit_depth, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_COLOR_FORMAT); + dm_write_reg(ctx, addr, value); + } + 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 aligned to MSB + * XXXXXXXXXX000000 for 10 bit, + * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6 + */ + dst_color[index] <<= (16 - dst_bpc); + } + + value = 0; + addr = CRTC_REG(mmCRTC_TEST_PATTERN_PARAMETERS); + dm_write_reg(ctx, addr, value); + + /* 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 + */ + value = 0; + addr = CRTC_REG(mmCRTC_TEST_PATTERN_COLOR); + for (index = 0; index < 6; index++) { + /* prepare color mask, first write PATTERN_DATA + * will have all zeros + */ + set_reg_field_value( + value, + (1 << index), + CRTC_TEST_PATTERN_COLOR, + CRTC_TEST_PATTERN_MASK); + /* write color component */ + dm_write_reg(ctx, addr, value); + /* prepare next color component, + * will be written in the next iteration + */ + set_reg_field_value( + value, + dst_color[index], + CRTC_TEST_PATTERN_COLOR, + CRTC_TEST_PATTERN_DATA); + } + /* write last color component, + * it's been already prepared in the loop + */ + dm_write_reg(ctx, addr, value); + + /* enable test pattern */ + addr = CRTC_REG(mmCRTC_TEST_PATTERN_CONTROL); + value = 0; + + set_reg_field_value( + value, + 1, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN); + + set_reg_field_value( + value, + mode, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_MODE); + + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_DYNAMIC_RANGE); + + set_reg_field_value( + value, + bit_depth, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_COLOR_FORMAT); + + dm_write_reg(ctx, addr, value); + } + 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); + + value = 0; + addr = CRTC_REG(mmCRTC_TEST_PATTERN_PARAMETERS); + + switch (bit_depth) { + case TEST_PATTERN_COLOR_FORMAT_BPC_6: + { + set_reg_field_value( + value, + inc_base, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0); + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC1); + set_reg_field_value( + value, + 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_HRES); + set_reg_field_value( + value, + 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_VRES); + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_RAMP0_OFFSET); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_8: + { + set_reg_field_value( + value, + inc_base, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0); + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC1); + set_reg_field_value( + value, + 8, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_HRES); + set_reg_field_value( + value, + 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_VRES); + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_RAMP0_OFFSET); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_10: + { + set_reg_field_value( + value, + inc_base, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0); + set_reg_field_value( + value, + inc_base + 2, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC1); + set_reg_field_value( + value, + 8, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_HRES); + set_reg_field_value( + value, + 5, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_VRES); + set_reg_field_value( + value, + 384 << 6, + CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_RAMP0_OFFSET); + } + break; + default: + break; + } + dm_write_reg(ctx, addr, value); + + value = 0; + addr = CRTC_REG(mmCRTC_TEST_PATTERN_COLOR); + dm_write_reg(ctx, addr, value); + + /* enable test pattern */ + addr = CRTC_REG(mmCRTC_TEST_PATTERN_CONTROL); + value = 0; + + set_reg_field_value( + value, + 1, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN); + + set_reg_field_value( + value, + mode, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_MODE); + + set_reg_field_value( + value, + 0, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_DYNAMIC_RANGE); + /* add color depth translation here */ + set_reg_field_value( + value, + bit_depth, + CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_COLOR_FORMAT); + + dm_write_reg(ctx, addr, value); + } + break; + case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE: + { + value = 0; + dm_write_reg(ctx, CRTC_REG(mmCRTC_TEST_PATTERN_CONTROL), value); + dm_write_reg(ctx, CRTC_REG(mmCRTC_TEST_PATTERN_COLOR), value); + dm_write_reg(ctx, CRTC_REG(mmCRTC_TEST_PATTERN_PARAMETERS), + value); + } + break; + default: + break; + } +} + +/** +* dce110_timing_generator_validate_timing +* The timing generators support a maximum display size of is 8192 x 8192 pixels, +* including both active display and blanking periods. Check H Total and V Total. +*/ +bool dce110_timing_generator_validate_timing( + struct timing_generator *tg, + const struct dc_crtc_timing *timing, + enum signal_type signal) +{ + uint32_t h_blank; + uint32_t h_back_porch, hsync_offset, h_sync_start; + + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + ASSERT(timing != NULL); + + if (!timing) + return false; + + hsync_offset = timing->h_border_right + timing->h_front_porch; + h_sync_start = timing->h_addressable + hsync_offset; + + /* Currently we don't support 3D, so block all 3D timings */ + if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE) + 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 > tg110->max_h_total || + timing->v_total > tg110->max_v_total) + return false; + + h_blank = (timing->h_total - timing->h_addressable - + timing->h_border_right - + timing->h_border_left); + + if (h_blank < tg110->min_h_blank) + return false; + + if (timing->h_front_porch < tg110->min_h_front_porch) + return false; + + h_back_porch = h_blank - (h_sync_start - + timing->h_addressable - + timing->h_border_right - + timing->h_sync_width); + + if (h_back_porch < tg110->min_h_back_porch) + return false; + + return true; +} + +/** +* Wait till we are at the beginning of VBlank. +*/ +void dce110_timing_generator_wait_for_vblank(struct timing_generator *tg) +{ + /* We want to catch beginning of VBlank here, so if the first try are + * in VBlank, we might be very close to Active, in this case wait for + * another frame + */ + while (dce110_timing_generator_is_in_vertical_blank(tg)) { + if (!dce110_timing_generator_is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } + + while (!dce110_timing_generator_is_in_vertical_blank(tg)) { + if (!dce110_timing_generator_is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } +} + +/** +* Wait till we are in VActive (anywhere in VActive) +*/ +void dce110_timing_generator_wait_for_vactive(struct timing_generator *tg) +{ + while (dce110_timing_generator_is_in_vertical_blank(tg)) { + if (!dce110_timing_generator_is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } +} + +/** + ***************************************************************************** + * Function: dce110_timing_generator_setup_global_swap_lock + * + * @brief + * Setups Global Swap Lock group for current pipe + * Pipe can join or leave GSL group, become a TimingServer or TimingClient + * + * @param [in] gsl_params: setup data + ***************************************************************************** + */ + +void dce110_timing_generator_setup_global_swap_lock( + struct timing_generator *tg, + const struct dcp_gsl_params *gsl_params) +{ + uint32_t value; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t address = DCP_REG(mmDCP_GSL_CONTROL); + uint32_t check_point = FLIP_READY_BACK_LOOKUP; + + value = dm_read_reg(tg->ctx, address); + + /* This pipe will belong to GSL Group zero. */ + set_reg_field_value(value, + 1, + DCP_GSL_CONTROL, + DCP_GSL0_EN); + + set_reg_field_value(value, + gsl_params->gsl_master == tg->inst, + DCP_GSL_CONTROL, + DCP_GSL_MASTER_EN); + + set_reg_field_value(value, + HFLIP_READY_DELAY, + DCP_GSL_CONTROL, + DCP_GSL_HSYNC_FLIP_FORCE_DELAY); + + /* Keep signal low (pending high) during 6 lines. + * Also defines minimum interval before re-checking signal. */ + set_reg_field_value(value, + HFLIP_CHECK_DELAY, + DCP_GSL_CONTROL, + DCP_GSL_HSYNC_FLIP_CHECK_DELAY); + + + { + uint32_t value_crtc_vtotal; + + value_crtc_vtotal = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_V_TOTAL)); + + set_reg_field_value(value, + 0,/* DCP_GSL_PURPOSE_SURFACE_FLIP */ + DCP_GSL_CONTROL, + DCP_GSL_SYNC_SOURCE); + + /* Checkpoint relative to end of frame */ + check_point = get_reg_field_value(value_crtc_vtotal, + CRTC_V_TOTAL, + CRTC_V_TOTAL); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_GSL_WINDOW), 0); + } + + set_reg_field_value(value, + 1, + DCP_GSL_CONTROL, + DCP_GSL_DELAY_SURFACE_UPDATE_PENDING); + + dm_write_reg(tg->ctx, address, value); + + /********************************************************************/ + address = CRTC_REG(mmCRTC_GSL_CONTROL); + + value = 0; + set_reg_field_value(value, + check_point - FLIP_READY_BACK_LOOKUP, + CRTC_GSL_CONTROL, + CRTC_GSL_CHECK_LINE_NUM); + + set_reg_field_value(value, + VFLIP_READY_DELAY, + CRTC_GSL_CONTROL, + CRTC_GSL_FORCE_DELAY); + + dm_write_reg(tg->ctx, address, value); +} + +void dce110_timing_generator_tear_down_global_swap_lock( + struct timing_generator *tg) +{ + /* Clear all the register writes done by + * dce110_timing_generator_setup_global_swap_lock + */ + + uint32_t value; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t address = DCP_REG(mmDCP_GSL_CONTROL); + + value = 0; + + /* This pipe will belong to GSL Group zero. */ + /* Settig HW default values from reg specs */ + set_reg_field_value(value, + 0, + DCP_GSL_CONTROL, + DCP_GSL0_EN); + + set_reg_field_value(value, + 0, + DCP_GSL_CONTROL, + DCP_GSL_MASTER_EN); + + set_reg_field_value(value, + 0x2, + DCP_GSL_CONTROL, + DCP_GSL_HSYNC_FLIP_FORCE_DELAY); + + set_reg_field_value(value, + 0x6, + DCP_GSL_CONTROL, + DCP_GSL_HSYNC_FLIP_CHECK_DELAY); + + /* Restore DCP_GSL_PURPOSE_SURFACE_FLIP */ + { + uint32_t value_crtc_vtotal; + + value_crtc_vtotal = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_V_TOTAL)); + + set_reg_field_value(value, + 0, + DCP_GSL_CONTROL, + DCP_GSL_SYNC_SOURCE); + } + + set_reg_field_value(value, + 0, + DCP_GSL_CONTROL, + DCP_GSL_DELAY_SURFACE_UPDATE_PENDING); + + dm_write_reg(tg->ctx, address, value); + + /********************************************************************/ + address = CRTC_REG(mmCRTC_GSL_CONTROL); + + value = 0; + set_reg_field_value(value, + 0, + CRTC_GSL_CONTROL, + CRTC_GSL_CHECK_LINE_NUM); + + set_reg_field_value(value, + 0x2, + CRTC_GSL_CONTROL, + CRTC_GSL_FORCE_DELAY); + + dm_write_reg(tg->ctx, address, value); +} +/** + ***************************************************************************** + * Function: is_counter_moving + * + * @brief + * check if the timing generator is currently going + * + * @return + * true if currently going, false if currently paused or stopped. + * + ***************************************************************************** + */ +bool dce110_timing_generator_is_counter_moving(struct timing_generator *tg) +{ + struct crtc_position position1, position2; + + tg->funcs->get_position(tg, &position1); + tg->funcs->get_position(tg, &position2); + + if (position1.horizontal_count == position2.horizontal_count && + position1.vertical_count == position2.vertical_count) + return false; + else + return true; +} + +void dce110_timing_generator_enable_advanced_request( + struct timing_generator *tg, + bool enable, + const struct dc_crtc_timing *timing) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL); + uint32_t value = dm_read_reg(tg->ctx, addr); + + if (enable) { + set_reg_field_value( + value, + 0, + CRTC_START_LINE_CONTROL, + CRTC_LEGACY_REQUESTOR_EN); + } else { + set_reg_field_value( + value, + 1, + CRTC_START_LINE_CONTROL, + CRTC_LEGACY_REQUESTOR_EN); + } + + if ((timing->v_sync_width + timing->v_front_porch) <= 3) { + set_reg_field_value( + value, + 3, + CRTC_START_LINE_CONTROL, + CRTC_ADVANCED_START_LINE_POSITION); + set_reg_field_value( + value, + 0, + CRTC_START_LINE_CONTROL, + CRTC_PREFETCH_EN); + } else { + set_reg_field_value( + value, + 4, + CRTC_START_LINE_CONTROL, + CRTC_ADVANCED_START_LINE_POSITION); + set_reg_field_value( + value, + 1, + CRTC_START_LINE_CONTROL, + CRTC_PREFETCH_EN); + } + + set_reg_field_value( + value, + 1, + CRTC_START_LINE_CONTROL, + CRTC_PROGRESSIVE_START_LINE_EARLY); + + set_reg_field_value( + value, + 1, + CRTC_START_LINE_CONTROL, + CRTC_INTERLACE_START_LINE_EARLY); + + dm_write_reg(tg->ctx, addr, value); +} + +/*TODO: Figure out if we need this function. */ +void dce110_timing_generator_set_lock_master(struct timing_generator *tg, + bool lock) +{ + struct dc_context *ctx = tg->ctx; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_MASTER_UPDATE_LOCK); + uint32_t value = dm_read_reg(ctx, addr); + + set_reg_field_value( + value, + lock ? 1 : 0, + CRTC_MASTER_UPDATE_LOCK, + MASTER_UPDATE_LOCK); + + dm_write_reg(ctx, addr, value); +} + +void dce110_timing_generator_enable_reset_trigger( + struct timing_generator *tg, + int source_tg_inst) +{ + uint32_t value; + uint32_t rising_edge = 0; + uint32_t falling_edge = 0; + enum trigger_source_select trig_src_select = TRIGGER_SOURCE_SELECT_LOGIC_ZERO; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + /* Setup trigger edge */ + { + uint32_t pol_value = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_V_SYNC_A_CNTL)); + + /* Register spec has reversed definition: + * 0 for positive, 1 for negative */ + if (get_reg_field_value(pol_value, + CRTC_V_SYNC_A_CNTL, + CRTC_V_SYNC_A_POL) == 0) { + rising_edge = 1; + } else { + falling_edge = 1; + } + } + + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL)); + + trig_src_select = TRIGGER_SOURCE_SELECT_GSL_GROUP0; + + set_reg_field_value(value, + trig_src_select, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_SOURCE_SELECT); + + set_reg_field_value(value, + TRIGGER_POLARITY_SELECT_LOGIC_ZERO, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_POLARITY_SELECT); + + set_reg_field_value(value, + rising_edge, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_RISING_EDGE_DETECT_CNTL); + + set_reg_field_value(value, + falling_edge, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_FALLING_EDGE_DETECT_CNTL); + + set_reg_field_value(value, + 0, /* send every signal */ + CRTC_TRIGB_CNTL, + CRTC_TRIGB_FREQUENCY_SELECT); + + set_reg_field_value(value, + 0, /* no delay */ + CRTC_TRIGB_CNTL, + CRTC_TRIGB_DELAY); + + set_reg_field_value(value, + 1, /* clear trigger status */ + CRTC_TRIGB_CNTL, + CRTC_TRIGB_CLEAR); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value); + + /**************************************************************/ + + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_FORCE_COUNT_NOW_CNTL)); + + set_reg_field_value(value, + 2, /* force H count to H_TOTAL and V count to V_TOTAL */ + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_MODE); + + set_reg_field_value(value, + 1, /* TriggerB - we never use TriggerA */ + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_TRIG_SEL); + + set_reg_field_value(value, + 1, /* clear trigger status */ + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_CLEAR); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_FORCE_COUNT_NOW_CNTL), value); +} + +void dce110_timing_generator_disable_reset_trigger( + struct timing_generator *tg) +{ + uint32_t value; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_FORCE_COUNT_NOW_CNTL)); + + set_reg_field_value(value, + 0, /* force counter now mode is disabled */ + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_MODE); + + set_reg_field_value(value, + 1, /* clear trigger status */ + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_CLEAR); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_FORCE_COUNT_NOW_CNTL), value); + + /********************************************************************/ + value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL)); + + set_reg_field_value(value, + TRIGGER_SOURCE_SELECT_LOGIC_ZERO, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_SOURCE_SELECT); + + set_reg_field_value(value, + TRIGGER_POLARITY_SELECT_LOGIC_ZERO, + CRTC_TRIGB_CNTL, + CRTC_TRIGB_POLARITY_SELECT); + + set_reg_field_value(value, + 1, /* clear trigger status */ + CRTC_TRIGB_CNTL, + CRTC_TRIGB_CLEAR); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value); +} + +/** + ***************************************************************************** + * @brief + * Checks whether CRTC triggered reset occurred + * + * @return + * true if triggered reset occurred, false otherwise + ***************************************************************************** + */ +bool dce110_timing_generator_did_triggered_reset_occur( + struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg(tg->ctx, + CRTC_REG(mmCRTC_FORCE_COUNT_NOW_CNTL)); + + return get_reg_field_value(value, + CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_OCCURRED) != 0; +} + +/** + * dce110_timing_generator_disable_vga + * Turn OFF VGA Mode and Timing - DxVGA_CONTROL + * VGA Mode and VGA Timing is used by VBIOS on CRT Monitors; + */ +void dce110_timing_generator_disable_vga( + struct timing_generator *tg) +{ + uint32_t addr = 0; + uint32_t value = 0; + + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + switch (tg110->controller_id) { + case CONTROLLER_ID_D0: + addr = mmD1VGA_CONTROL; + break; + case CONTROLLER_ID_D1: + addr = mmD2VGA_CONTROL; + break; + case CONTROLLER_ID_D2: + addr = mmD3VGA_CONTROL; + break; + case CONTROLLER_ID_D3: + addr = mmD4VGA_CONTROL; + break; + case CONTROLLER_ID_D4: + addr = mmD5VGA_CONTROL; + break; + case CONTROLLER_ID_D5: + addr = mmD6VGA_CONTROL; + break; + default: + break; + } + value = dm_read_reg(tg->ctx, addr); + + set_reg_field_value(value, 0, D1VGA_CONTROL, D1VGA_MODE_ENABLE); + set_reg_field_value(value, 0, D1VGA_CONTROL, D1VGA_TIMING_SELECT); + set_reg_field_value( + value, 0, D1VGA_CONTROL, D1VGA_SYNC_POLARITY_SELECT); + set_reg_field_value(value, 0, D1VGA_CONTROL, D1VGA_OVERSCAN_COLOR_EN); + + dm_write_reg(tg->ctx, addr, value); +} + +/** +* set_overscan_color_black +* +* @param :black_color is one of the color space +* :this routine will set overscan black color according to the color space. +* @return none +*/ + +void dce110_timing_generator_set_overscan_color_black( + struct timing_generator *tg, + const struct tg_color *color) +{ + struct dc_context *ctx = tg->ctx; + uint32_t addr; + uint32_t value = 0; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + set_reg_field_value( + value, + color->color_b_cb, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_BLUE); + + set_reg_field_value( + value, + color->color_r_cr, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_RED); + + set_reg_field_value( + value, + color->color_g_y, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_GREEN); + + addr = CRTC_REG(mmCRTC_OVERSCAN_COLOR); + dm_write_reg(ctx, addr, value); + addr = CRTC_REG(mmCRTC_BLACK_COLOR); + dm_write_reg(ctx, addr, value); + /* This is desirable to have a constant DAC output voltage during the + * blank time that is higher than the 0 volt reference level that the + * DAC outputs when the NBLANK signal + * is asserted low, such as for output to an analog TV. */ + addr = CRTC_REG(mmCRTC_BLANK_DATA_COLOR); + dm_write_reg(ctx, addr, value); + + /* TO DO we have to program EXT registers and we need to know LB DATA + * format because it is used when more 10 , i.e. 12 bits per color + * + * m_mmDxCRTC_OVERSCAN_COLOR_EXT + * m_mmDxCRTC_BLACK_COLOR_EXT + * m_mmDxCRTC_BLANK_DATA_COLOR_EXT + */ + +} + +void dce110_tg_program_blank_color(struct timing_generator *tg, + const struct tg_color *black_color) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t addr = CRTC_REG(mmCRTC_BLACK_COLOR); + uint32_t value = dm_read_reg(tg->ctx, addr); + + set_reg_field_value( + value, + black_color->color_b_cb, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_B_CB); + set_reg_field_value( + value, + black_color->color_g_y, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_G_Y); + set_reg_field_value( + value, + black_color->color_r_cr, + CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_R_CR); + + dm_write_reg(tg->ctx, addr, value); + + addr = CRTC_REG(mmCRTC_BLANK_DATA_COLOR); + dm_write_reg(tg->ctx, addr, value); +} + +void dce110_tg_set_overscan_color(struct timing_generator *tg, + const struct tg_color *overscan_color) +{ + struct dc_context *ctx = tg->ctx; + uint32_t value = 0; + uint32_t addr; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + set_reg_field_value( + value, + overscan_color->color_b_cb, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_BLUE); + + set_reg_field_value( + value, + overscan_color->color_g_y, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_GREEN); + + set_reg_field_value( + value, + overscan_color->color_r_cr, + CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_RED); + + addr = CRTC_REG(mmCRTC_OVERSCAN_COLOR); + dm_write_reg(ctx, addr, value); +} + +void dce110_tg_program_timing(struct timing_generator *tg, + const struct dc_crtc_timing *timing, + bool use_vbios) +{ + if (use_vbios) + dce110_timing_generator_program_timing_generator(tg, timing); + else + dce110_timing_generator_program_blanking(tg, timing); +} + +bool dce110_tg_is_blanked(struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_BLANK_CONTROL)); + + if (get_reg_field_value( + value, + CRTC_BLANK_CONTROL, + CRTC_BLANK_DATA_EN) == 1 && + get_reg_field_value( + value, + CRTC_BLANK_CONTROL, + CRTC_CURRENT_BLANK_STATE) == 1) + return true; + return false; +} + +void dce110_tg_set_blank(struct timing_generator *tg, + bool enable_blanking) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = 0; + + set_reg_field_value( + value, + 1, + CRTC_DOUBLE_BUFFER_CONTROL, + CRTC_BLANK_DATA_DOUBLE_BUFFER_EN); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_DOUBLE_BUFFER_CONTROL), value); + value = 0; + + if (enable_blanking) { + set_reg_field_value( + value, + 1, + CRTC_BLANK_CONTROL, + CRTC_BLANK_DATA_EN); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_BLANK_CONTROL), value); + + } else + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_BLANK_CONTROL), 0); +} + +bool dce110_tg_validate_timing(struct timing_generator *tg, + const struct dc_crtc_timing *timing) +{ + return dce110_timing_generator_validate_timing(tg, timing, SIGNAL_TYPE_NONE); +} + +void dce110_tg_wait_for_state(struct timing_generator *tg, + enum crtc_state state) +{ + switch (state) { + case CRTC_STATE_VBLANK: + dce110_timing_generator_wait_for_vblank(tg); + break; + + case CRTC_STATE_VACTIVE: + dce110_timing_generator_wait_for_vactive(tg); + break; + + default: + break; + } +} + +void dce110_tg_set_colors(struct timing_generator *tg, + const struct tg_color *blank_color, + const struct tg_color *overscan_color) +{ + if (blank_color != NULL) + dce110_tg_program_blank_color(tg, blank_color); + if (overscan_color != NULL) + dce110_tg_set_overscan_color(tg, overscan_color); +} + +/* Gets first line of blank region of the display timing for CRTC + * and programms is as a trigger to fire vertical interrupt + */ +bool dce110_arm_vert_intr(struct timing_generator *tg, uint8_t width) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t v_blank_start = 0; + uint32_t v_blank_end = 0; + uint32_t val = 0; + uint32_t h_position, v_position; + + tg->funcs->get_scanoutpos( + tg, + &v_blank_start, + &v_blank_end, + &h_position, + &v_position); + + if (v_blank_start == 0 || v_blank_end == 0) + return false; + + set_reg_field_value( + val, + v_blank_start, + CRTC_VERTICAL_INTERRUPT0_POSITION, + CRTC_VERTICAL_INTERRUPT0_LINE_START); + + /* Set interval width for interrupt to fire to 1 scanline */ + set_reg_field_value( + val, + v_blank_start + width, + CRTC_VERTICAL_INTERRUPT0_POSITION, + CRTC_VERTICAL_INTERRUPT0_LINE_END); + + dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_VERTICAL_INTERRUPT0_POSITION), val); + + return true; +} + +static const struct timing_generator_funcs dce110_tg_funcs = { + .validate_timing = dce110_tg_validate_timing, + .program_timing = dce110_tg_program_timing, + .enable_crtc = dce110_timing_generator_enable_crtc, + .disable_crtc = dce110_timing_generator_disable_crtc, + .is_counter_moving = dce110_timing_generator_is_counter_moving, + .get_position = dce110_timing_generator_get_position, + .get_frame_count = dce110_timing_generator_get_vblank_counter, + .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos, + .set_early_control = dce110_timing_generator_set_early_control, + .wait_for_state = dce110_tg_wait_for_state, + .set_blank = dce110_tg_set_blank, + .is_blanked = dce110_tg_is_blanked, + .set_colors = dce110_tg_set_colors, + .set_overscan_blank_color = + dce110_timing_generator_set_overscan_color_black, + .set_blank_color = dce110_timing_generator_program_blank_color, + .disable_vga = dce110_timing_generator_disable_vga, + .did_triggered_reset_occur = + dce110_timing_generator_did_triggered_reset_occur, + .setup_global_swap_lock = + dce110_timing_generator_setup_global_swap_lock, + .enable_reset_trigger = dce110_timing_generator_enable_reset_trigger, + .disable_reset_trigger = dce110_timing_generator_disable_reset_trigger, + .tear_down_global_swap_lock = + dce110_timing_generator_tear_down_global_swap_lock, + .enable_advanced_request = + dce110_timing_generator_enable_advanced_request, + .set_drr = + dce110_timing_generator_set_drr, + .set_static_screen_control = + dce110_timing_generator_set_static_screen_control, + .set_test_pattern = dce110_timing_generator_set_test_pattern, + .arm_vert_intr = dce110_arm_vert_intr, +}; + +void dce110_timing_generator_construct( + struct dce110_timing_generator *tg110, + struct dc_context *ctx, + uint32_t instance, + const struct dce110_timing_generator_offsets *offsets) +{ + tg110->controller_id = CONTROLLER_ID_D0 + instance; + tg110->base.inst = instance; + + tg110->offsets = *offsets; + + tg110->base.funcs = &dce110_tg_funcs; + + tg110->base.ctx = ctx; + tg110->base.bp = ctx->dc_bios; + + tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1; + tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1; + + tg110->min_h_blank = 56; + tg110->min_h_front_porch = 4; + tg110->min_h_back_porch = 4; +} |