diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 1174 |
1 files changed, 1174 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c new file mode 100644 index 000000000000..2502182d5e82 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c @@ -0,0 +1,1174 @@ +/* + * 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 "vega10/DC/dce_12_0_offset.h" +#include "vega10/DC/dce_12_0_sh_mask.h" +#include "vega10/soc15ip.h" + +#include "dc_types.h" +#include "dc_bios_types.h" + +#include "include/grph_object_id.h" +#include "include/logger_interface.h" +#include "dce120_timing_generator.h" + +#include "timing_generator.h" + +#define CRTC_REG_UPDATE_N(reg_name, n, ...) \ + generic_reg_update_soc15(tg110->base.ctx, tg110->offsets.crtc, reg_name, n, __VA_ARGS__) + +#define CRTC_REG_SET_N(reg_name, n, ...) \ + generic_reg_set_soc15(tg110->base.ctx, tg110->offsets.crtc, reg_name, n, __VA_ARGS__) + +#define CRTC_REG_UPDATE(reg, field, val) \ + CRTC_REG_UPDATE_N(reg, 1, FD(reg##__##field), val) + +#define CRTC_REG_UPDATE_2(reg, field1, val1, field2, val2) \ + CRTC_REG_UPDATE_N(reg, 2, FD(reg##__##field1), val1, FD(reg##__##field2), val2) + +#define CRTC_REG_UPDATE_3(reg, field1, val1, field2, val2, field3, val3) \ + CRTC_REG_UPDATE_N(reg, 3, FD(reg##__##field1), val1, FD(reg##__##field2), val2, FD(reg##__##field3), val3) + +#define CRTC_REG_UPDATE_4(reg, field1, val1, field2, val2, field3, val3, field4, val4) \ + CRTC_REG_UPDATE_N(reg, 3, FD(reg##__##field1), val1, FD(reg##__##field2), val2, FD(reg##__##field3), val3, FD(reg##__##field4), val4) + +#define CRTC_REG_UPDATE_5(reg, field1, val1, field2, val2, field3, val3, field4, val4, field5, val5) \ + CRTC_REG_UPDATE_N(reg, 3, FD(reg##__##field1), val1, FD(reg##__##field2), val2, FD(reg##__##field3), val3, FD(reg##__##field4), val4, FD(reg##__##field5), val5) + +#define CRTC_REG_SET(reg, field, val) \ + CRTC_REG_SET_N(reg, 1, FD(reg##__##field), val) + +#define CRTC_REG_SET_2(reg, field1, val1, field2, val2) \ + CRTC_REG_SET_N(reg, 2, FD(reg##__##field1), val1, FD(reg##__##field2), val2) + +#define CRTC_REG_SET_3(reg, field1, val1, field2, val2, field3, val3) \ + CRTC_REG_SET_N(reg, 3, FD(reg##__##field1), val1, FD(reg##__##field2), val2, FD(reg##__##field3), val3) + +/** + ***************************************************************************** + * 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 dce120_timing_generator_is_in_vertical_blank( + struct timing_generator *tg) +{ + uint32_t field = 0; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_STATUS, + tg110->offsets.crtc); + + field = get_reg_field_value(value, CRTC0_CRTC_STATUS, CRTC_V_BLANK); + return field == 1; +} + + +/* determine if given timing can be supported by TG */ +bool dce120_timing_generator_validate_timing( + struct timing_generator *tg, + const struct dc_crtc_timing *timing, + enum signal_type signal) +{ + uint32_t interlace_factor = timing->flags.INTERLACE ? 2 : 1; + uint32_t v_blank = + (timing->v_total - timing->v_addressable - + timing->v_border_top - timing->v_border_bottom) * + interlace_factor; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + if (!dce110_timing_generator_validate_timing( + tg, + timing, + signal)) + return false; + + + if (v_blank < tg110->min_v_blank || + timing->h_sync_width < tg110->min_h_sync_width || + timing->v_sync_width < tg110->min_v_sync_width) + return false; + + return true; +} + +bool dce120_tg_validate_timing(struct timing_generator *tg, + const struct dc_crtc_timing *timing) +{ + return dce120_timing_generator_validate_timing(tg, timing, SIGNAL_TYPE_NONE); +} + +/******** HW programming ************/ +/* Disable/Enable Timing Generator */ +bool dce120_timing_generator_enable_crtc(struct timing_generator *tg) +{ + enum bp_result result; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + /* Set MASTER_UPDATE_MODE to 0 + * This is needed for DRR, and also suggested to be default value by Syed.*/ + + CRTC_REG_UPDATE(CRTC0_CRTC_MASTER_UPDATE_MODE, + MASTER_UPDATE_MODE, 0); + + CRTC_REG_UPDATE(CRTC0_CRTC_MASTER_UPDATE_LOCK, + UNDERFLOW_UPDATE_LOCK, 0); + + /* TODO API for AtomFirmware didn't change*/ + result = tg->bp->funcs->enable_crtc(tg->bp, tg110->controller_id, true); + + return result == BP_RESULT_OK; +} + +void dce120_timing_generator_set_early_control( + struct timing_generator *tg, + uint32_t early_cntl) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_UPDATE(CRTC0_CRTC_CONTROL, + CRTC_HBLANK_EARLY_CONTROL, early_cntl); +} + +/**************** TG current status ******************/ + +/* return the current frame counter. Used by Linux kernel DRM */ +uint32_t dce120_timing_generator_get_vblank_counter( + struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_STATUS_FRAME_COUNT, + tg110->offsets.crtc); + uint32_t field = get_reg_field_value( + value, CRTC0_CRTC_STATUS_FRAME_COUNT, CRTC_FRAME_COUNT); + + return field; +} + +/* Get current H and V position */ +void dce120_timing_generator_get_crtc_position( + struct timing_generator *tg, + struct crtc_position *position) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_STATUS_POSITION, + tg110->offsets.crtc); + + position->horizontal_count = get_reg_field_value(value, + CRTC0_CRTC_STATUS_POSITION, CRTC_HORZ_COUNT); + + position->vertical_count = get_reg_field_value(value, + CRTC0_CRTC_STATUS_POSITION, CRTC_VERT_COUNT); + + value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_NOM_VERT_POSITION, + tg110->offsets.crtc); + + position->nominal_vcount = get_reg_field_value(value, + CRTC0_CRTC_NOM_VERT_POSITION, CRTC_VERT_COUNT_NOM); +} + +/* wait until TG is in beginning of vertical blank region */ +void dce120_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 (dce120_timing_generator_is_in_vertical_blank(tg)) { + if (!tg->funcs->is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } + + while (!dce120_timing_generator_is_in_vertical_blank(tg)) { + if (!tg->funcs->is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } +} + +/* wait until TG is in beginning of active region */ +void dce120_timing_generator_wait_for_vactive(struct timing_generator *tg) +{ + while (dce120_timing_generator_is_in_vertical_blank(tg)) { + if (!tg->funcs->is_counter_moving(tg)) { + /* error - no point to wait if counter is not moving */ + break; + } + } +} + +/*********** Timing Generator Synchronization routines ****/ + +/* Setups Global Swap Lock group, TimingServer or TimingClient*/ +void dce120_timing_generator_setup_global_swap_lock( + struct timing_generator *tg, + const struct dcp_gsl_params *gsl_params) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value_crtc_vtotal = + dm_read_reg_soc15(tg->ctx, + mmCRTC0_CRTC_V_TOTAL, + tg110->offsets.crtc); + /* Checkpoint relative to end of frame */ + uint32_t check_point = + get_reg_field_value(value_crtc_vtotal, + CRTC0_CRTC_V_TOTAL, + CRTC_V_TOTAL); + + + dm_write_reg_soc15(tg->ctx, mmCRTC0_CRTC_GSL_WINDOW, tg110->offsets.crtc, 0); + + CRTC_REG_UPDATE_N(DCP0_DCP_GSL_CONTROL, 6, + /* This pipe will belong to GSL Group zero. */ + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL0_EN), 1, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_MASTER_EN), gsl_params->gsl_master == tg->inst, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_HSYNC_FLIP_FORCE_DELAY), HFLIP_READY_DELAY, + /* Keep signal low (pending high) during 6 lines. + * Also defines minimum interval before re-checking signal. */ + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_HSYNC_FLIP_CHECK_DELAY), HFLIP_CHECK_DELAY, + /* DCP_GSL_PURPOSE_SURFACE_FLIP */ + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_SYNC_SOURCE), 0, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_DELAY_SURFACE_UPDATE_PENDING), 1); + + CRTC_REG_SET_2( + CRTC0_CRTC_GSL_CONTROL, + CRTC_GSL_CHECK_LINE_NUM, check_point - FLIP_READY_BACK_LOOKUP, + CRTC_GSL_FORCE_DELAY, VFLIP_READY_DELAY); +} + +/* Clear all the register writes done by setup_global_swap_lock */ +void dce120_timing_generator_tear_down_global_swap_lock( + struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + /* Settig HW default values from reg specs */ + CRTC_REG_SET_N(DCP0_DCP_GSL_CONTROL, 6, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL0_EN), 0, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_MASTER_EN), 0, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_HSYNC_FLIP_FORCE_DELAY), HFLIP_READY_DELAY, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_HSYNC_FLIP_CHECK_DELAY), HFLIP_CHECK_DELAY, + /* DCP_GSL_PURPOSE_SURFACE_FLIP */ + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_SYNC_SOURCE), 0, + FD(DCP0_DCP_GSL_CONTROL__DCP_GSL_DELAY_SURFACE_UPDATE_PENDING), 0); + + CRTC_REG_SET_2(CRTC0_CRTC_GSL_CONTROL, + CRTC_GSL_CHECK_LINE_NUM, 0, + CRTC_GSL_FORCE_DELAY, 0x2); /*TODO Why this value here ?*/ +} + +/* Reset slave controllers on master VSync */ +void dce120_timing_generator_enable_reset_trigger( + struct timing_generator *tg, + int source) +{ + enum trigger_source_select trig_src_select = TRIGGER_SOURCE_SELECT_LOGIC_ZERO; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t rising_edge = 0; + uint32_t falling_edge = 0; + /* Setup trigger edge */ + uint32_t pol_value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_V_SYNC_A_CNTL, + tg110->offsets.crtc); + + /* Register spec has reversed definition: + * 0 for positive, 1 for negative */ + if (get_reg_field_value(pol_value, + CRTC0_CRTC_V_SYNC_A_CNTL, + CRTC_V_SYNC_A_POL) == 0) { + rising_edge = 1; + } else { + falling_edge = 1; + } + + /* TODO What about other sources ?*/ + trig_src_select = TRIGGER_SOURCE_SELECT_GSL_GROUP0; + + CRTC_REG_UPDATE_N(CRTC0_CRTC_TRIGB_CNTL, 7, + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_SOURCE_SELECT), trig_src_select, + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_POLARITY_SELECT), TRIGGER_POLARITY_SELECT_LOGIC_ZERO, + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_RISING_EDGE_DETECT_CNTL), rising_edge, + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_FALLING_EDGE_DETECT_CNTL), falling_edge, + /* send every signal */ + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_FREQUENCY_SELECT), 0, + /* no delay */ + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_DELAY), 0, + /* clear trigger status */ + FD(CRTC0_CRTC_TRIGB_CNTL__CRTC_TRIGB_CLEAR), 1); + + CRTC_REG_UPDATE_3( + CRTC0_CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_MODE, 2, + CRTC_FORCE_COUNT_NOW_TRIG_SEL, 1, + CRTC_FORCE_COUNT_NOW_CLEAR, 1); +} + +/* disabling trigger-reset */ +void dce120_timing_generator_disable_reset_trigger( + struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_UPDATE_2( + CRTC0_CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_MODE, 0, + CRTC_FORCE_COUNT_NOW_CLEAR, 1); + + CRTC_REG_UPDATE_3( + CRTC0_CRTC_TRIGB_CNTL, + CRTC_TRIGB_SOURCE_SELECT, TRIGGER_SOURCE_SELECT_LOGIC_ZERO, + CRTC_TRIGB_POLARITY_SELECT, TRIGGER_POLARITY_SELECT_LOGIC_ZERO, + /* clear trigger status */ + CRTC_TRIGB_CLEAR, 1); + +} + +/* Checks whether CRTC triggered reset occurred */ +bool dce120_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_soc15( + tg->ctx, + mmCRTC0_CRTC_FORCE_COUNT_NOW_CNTL, + tg110->offsets.crtc); + + return get_reg_field_value(value, + CRTC0_CRTC_FORCE_COUNT_NOW_CNTL, + CRTC_FORCE_COUNT_NOW_OCCURRED) != 0; +} + + +/******** Stuff to move to other virtual HW objects *****************/ +/* Move to enable accelerated mode */ +void dce120_timing_generator_disable_vga(struct timing_generator *tg) +{ + uint32_t offset = 0; + uint32_t value = 0; + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + switch (tg110->controller_id) { + case CONTROLLER_ID_D0: + offset = 0; + break; + case CONTROLLER_ID_D1: + offset = mmD2VGA_CONTROL - mmD1VGA_CONTROL; + break; + case CONTROLLER_ID_D2: + offset = mmD3VGA_CONTROL - mmD1VGA_CONTROL; + break; + case CONTROLLER_ID_D3: + offset = mmD4VGA_CONTROL - mmD1VGA_CONTROL; + break; + case CONTROLLER_ID_D4: + offset = mmD5VGA_CONTROL - mmD1VGA_CONTROL; + break; + case CONTROLLER_ID_D5: + offset = mmD6VGA_CONTROL - mmD1VGA_CONTROL; + break; + default: + break; + } + + value = dm_read_reg_soc15(tg->ctx, mmD1VGA_CONTROL, offset); + + 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_soc15(tg->ctx, mmD1VGA_CONTROL, offset, value); +} +/* TODO: Should we move it to transform */ +/* Fully program CRTC timing in timing generator */ +void dce120_timing_generator_program_blanking( + struct timing_generator *tg, + const struct dc_crtc_timing *timing) +{ + uint32_t tmp1 = 0; + uint32_t tmp2 = 0; + 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); + + CRTC_REG_UPDATE( + CRTC0_CRTC_H_TOTAL, + CRTC_H_TOTAL, + timing->h_total - 1); + + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL, + CRTC_V_TOTAL, + timing->v_total - 1); + + /* In case of V_TOTAL_CONTROL is on, make sure V_TOTAL_MAX and + * V_TOTAL_MIN are equal to V_TOTAL. + */ + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX, + timing->v_total - 1); + + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN, + timing->v_total - 1); + + tmp1 = timing->h_total - + (h_sync_start + timing->h_border_left); + tmp2 = tmp1 + timing->h_addressable + + timing->h_border_left + timing->h_border_right; + + CRTC_REG_UPDATE_2( + CRTC0_CRTC_H_BLANK_START_END, + CRTC_H_BLANK_END, tmp1, + CRTC_H_BLANK_START, tmp2); + + tmp1 = timing->v_total - (v_sync_start + timing->v_border_top); + tmp2 = tmp1 + timing->v_addressable + timing->v_border_top + + timing->v_border_bottom; + + CRTC_REG_UPDATE_2( + CRTC0_CRTC_V_BLANK_START_END, + CRTC_V_BLANK_END, tmp1, + CRTC_V_BLANK_START, tmp2); +} + +/* TODO: Should we move it to opp? */ +/* Combine with below and move YUV/RGB color conversion to SW layer */ +void dce120_timing_generator_program_blank_color( + struct timing_generator *tg, + const struct tg_color *black_color) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_UPDATE_3( + CRTC0_CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_B_CB, black_color->color_b_cb, + CRTC_BLACK_COLOR_G_Y, black_color->color_g_y, + CRTC_BLACK_COLOR_R_CR, black_color->color_r_cr); +} +/* Combine with above and move YUV/RGB color conversion to SW layer */ +void dce120_timing_generator_set_overscan_color_black( + struct timing_generator *tg, + const struct tg_color *color) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = 0; + CRTC_REG_SET_3( + CRTC0_CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_BLUE, color->color_b_cb, + CRTC_OVERSCAN_COLOR_GREEN, color->color_g_y, + CRTC_OVERSCAN_COLOR_RED, color->color_r_cr); + + value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_OVERSCAN_COLOR, + tg110->offsets.crtc); + + dm_write_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_BLACK_COLOR, + tg110->offsets.crtc, + 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. */ + dm_write_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_BLANK_DATA_COLOR, + tg110->offsets.crtc, + 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 dce120_timing_generator_set_drr( + struct timing_generator *tg, + const struct drr_params *params) +{ + + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + if (params != NULL && + params->vertical_total_max > 0 && + params->vertical_total_min > 0) { + + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN, params->vertical_total_min - 1); + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX, params->vertical_total_max - 1); + CRTC_REG_SET_N(CRTC0_CRTC_V_TOTAL_CONTROL, 6, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MIN_SEL), 1, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MAX_SEL), 1, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_FORCE_LOCK_ON_EVENT), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_FORCE_LOCK_TO_MASTER_VSYNC), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_SET_V_TOTAL_MIN_MASK_EN), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_SET_V_TOTAL_MIN_MASK), 0); + CRTC_REG_UPDATE( + CRTC0_CRTC_STATIC_SCREEN_CONTROL, + CRTC_STATIC_SCREEN_EVENT_MASK, + 0x180); + + } else { + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MIN, + CRTC_V_TOTAL_MIN, 0); + CRTC_REG_UPDATE( + CRTC0_CRTC_V_TOTAL_MAX, + CRTC_V_TOTAL_MAX, 0); + CRTC_REG_SET_N(CRTC0_CRTC_V_TOTAL_CONTROL, 5, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MIN_SEL), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_V_TOTAL_MAX_SEL), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_FORCE_LOCK_ON_EVENT), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_FORCE_LOCK_TO_MASTER_VSYNC), 0, + FD(CRTC0_CRTC_V_TOTAL_CONTROL__CRTC_SET_V_TOTAL_MIN_MASK), 0); + CRTC_REG_UPDATE( + CRTC0_CRTC_STATIC_SCREEN_CONTROL, + CRTC_STATIC_SCREEN_EVENT_MASK, + 0); + } +} + +/** + ***************************************************************************** + * Function: dce120_timing_generator_get_position + * + * @brief + * Returns CRTC vertical/horizontal counters + * + * @param [out] position + ***************************************************************************** + */ +void dce120_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_soc15( + tg->ctx, + mmCRTC0_CRTC_STATUS_POSITION, + tg110->offsets.crtc); + + position->horizontal_count = get_reg_field_value( + value, + CRTC0_CRTC_STATUS_POSITION, + CRTC_HORZ_COUNT); + + position->vertical_count = get_reg_field_value( + value, + CRTC0_CRTC_STATUS_POSITION, + CRTC_VERT_COUNT); + + value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_NOM_VERT_POSITION, + tg110->offsets.crtc); + + position->nominal_vcount = get_reg_field_value( + value, + CRTC0_CRTC_NOM_VERT_POSITION, + CRTC_VERT_COUNT_NOM); +} + + +void dce120_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 v_blank_start_end = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_V_BLANK_START_END, + tg110->offsets.crtc); + + *v_blank_start = get_reg_field_value(v_blank_start_end, + CRTC0_CRTC_V_BLANK_START_END, + CRTC_V_BLANK_START); + *v_blank_end = get_reg_field_value(v_blank_start_end, + CRTC0_CRTC_V_BLANK_START_END, + CRTC_V_BLANK_END); + + dce120_timing_generator_get_crtc_position( + tg, &position); + + *h_position = position.horizontal_count; + *v_position = position.vertical_count; +} + +void dce120_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 v_sync_width_and_b_porch = + timing->v_total - timing->v_addressable - + timing->v_border_bottom - timing->v_front_porch; + uint32_t value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_START_LINE_CONTROL, + tg110->offsets.crtc); + + set_reg_field_value( + value, + enable ? 0 : 1, + CRTC0_CRTC_START_LINE_CONTROL, + CRTC_LEGACY_REQUESTOR_EN); + + /* Program advanced line position acc.to the best case from fetching data perspective to hide MC latency + * and prefilling Line Buffer in V Blank (to 10 lines as LB can store max 10 lines) + */ + if (v_sync_width_and_b_porch > 10) + v_sync_width_and_b_porch = 10; + + set_reg_field_value( + value, + v_sync_width_and_b_porch, + CRTC0_CRTC_START_LINE_CONTROL, + CRTC_ADVANCED_START_LINE_POSITION); + + dm_write_reg_soc15(tg->ctx, + mmCRTC0_CRTC_START_LINE_CONTROL, + tg110->offsets.crtc, + value); +} + +void dce120_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 value = 0; + + CRTC_REG_UPDATE_3( + CRTC0_CRTC_BLACK_COLOR, + CRTC_BLACK_COLOR_B_CB, black_color->color_b_cb, + CRTC_BLACK_COLOR_G_Y, black_color->color_g_y, + CRTC_BLACK_COLOR_R_CR, black_color->color_r_cr); + + value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_BLACK_COLOR, + tg110->offsets.crtc); + dm_write_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_BLANK_DATA_COLOR, + tg110->offsets.crtc, + value); +} + +void dce120_tg_set_overscan_color(struct timing_generator *tg, + const struct tg_color *overscan_color) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_SET_3( + CRTC0_CRTC_OVERSCAN_COLOR, + CRTC_OVERSCAN_COLOR_BLUE, overscan_color->color_b_cb, + CRTC_OVERSCAN_COLOR_GREEN, overscan_color->color_g_y, + CRTC_OVERSCAN_COLOR_RED, overscan_color->color_r_cr); +} + +void dce120_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 + dce120_timing_generator_program_blanking(tg, timing); +} + +bool dce120_tg_is_blanked(struct timing_generator *tg) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t value = dm_read_reg_soc15( + tg->ctx, + mmCRTC0_CRTC_BLANK_CONTROL, + tg110->offsets.crtc); + + if (get_reg_field_value( + value, + CRTC0_CRTC_BLANK_CONTROL, + CRTC_BLANK_DATA_EN) == 1 && + get_reg_field_value( + value, + CRTC0_CRTC_BLANK_CONTROL, + CRTC_CURRENT_BLANK_STATE) == 1) + return true; + + return false; +} + +void dce120_tg_set_blank(struct timing_generator *tg, + bool enable_blanking) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_SET( + CRTC0_CRTC_DOUBLE_BUFFER_CONTROL, + CRTC_BLANK_DATA_DOUBLE_BUFFER_EN, 0); + + if (enable_blanking) + CRTC_REG_SET(CRTC0_CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1); + else + dm_write_reg_soc15(tg->ctx, mmCRTC0_CRTC_BLANK_CONTROL, + tg110->offsets.crtc, 0); +} + +bool dce120_tg_validate_timing(struct timing_generator *tg, + const struct dc_crtc_timing *timing); + +void dce120_tg_wait_for_state(struct timing_generator *tg, + enum crtc_state state) +{ + switch (state) { + case CRTC_STATE_VBLANK: + dce120_timing_generator_wait_for_vblank(tg); + break; + + case CRTC_STATE_VACTIVE: + dce120_timing_generator_wait_for_vactive(tg); + break; + + default: + break; + } +} + +void dce120_tg_set_colors(struct timing_generator *tg, + const struct tg_color *blank_color, + const struct tg_color *overscan_color) +{ + if (blank_color != NULL) + dce120_tg_program_blank_color(tg, blank_color); + + if (overscan_color != NULL) + dce120_tg_set_overscan_color(tg, overscan_color); +} + +static void dce120_timing_generator_set_static_screen_control( + struct timing_generator *tg, + uint32_t value) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + + CRTC_REG_UPDATE_2(CRTC0_CRTC_STATIC_SCREEN_CONTROL, + CRTC_STATIC_SCREEN_EVENT_MASK, value, + CRTC_STATIC_SCREEN_FRAME_COUNT, 2); +} + +void dce120_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; + 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; + + CRTC_REG_UPDATE_2(CRTC0_CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_VRES, 6, + CRTC_TEST_PATTERN_HRES, 6); + + CRTC_REG_UPDATE_4(CRTC0_CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN, 1, + CRTC_TEST_PATTERN_MODE, mode, + CRTC_TEST_PATTERN_DYNAMIC_RANGE, dyn_range, + CRTC_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 aligned to MSB + * XXXXXXXXXX000000 for 10 bit, + * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6 + */ + dst_color[index] <<= (16 - dst_bpc); + } + + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_PARAMETERS, tg110->offsets.crtc, 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 + */ + value = 0; + for (index = 0; index < 6; index++) { + /* prepare color mask, first write PATTERN_DATA + * will have all zeros + */ + set_reg_field_value( + value, + (1 << index), + CRTC0_CRTC_TEST_PATTERN_COLOR, + CRTC_TEST_PATTERN_MASK); + /* write color component */ + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_COLOR, tg110->offsets.crtc, value); + /* prepare next color component, + * will be written in the next iteration + */ + set_reg_field_value( + value, + dst_color[index], + CRTC0_CRTC_TEST_PATTERN_COLOR, + CRTC_TEST_PATTERN_DATA); + } + /* write last color component, + * it's been already prepared in the loop + */ + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_COLOR, tg110->offsets.crtc, value); + + /* enable test pattern */ + CRTC_REG_UPDATE_4(CRTC0_CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN, 1, + CRTC_TEST_PATTERN_MODE, mode, + CRTC_TEST_PATTERN_DYNAMIC_RANGE, 0, + CRTC_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: + { + CRTC_REG_UPDATE_5(CRTC0_CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0, inc_base, + CRTC_TEST_PATTERN_INC1, 0, + CRTC_TEST_PATTERN_HRES, 6, + CRTC_TEST_PATTERN_VRES, 6, + CRTC_TEST_PATTERN_RAMP0_OFFSET, 0); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_8: + { + CRTC_REG_UPDATE_5(CRTC0_CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0, inc_base, + CRTC_TEST_PATTERN_INC1, 0, + CRTC_TEST_PATTERN_HRES, 8, + CRTC_TEST_PATTERN_VRES, 6, + CRTC_TEST_PATTERN_RAMP0_OFFSET, 0); + } + break; + case TEST_PATTERN_COLOR_FORMAT_BPC_10: + { + CRTC_REG_UPDATE_5(CRTC0_CRTC_TEST_PATTERN_PARAMETERS, + CRTC_TEST_PATTERN_INC0, inc_base, + CRTC_TEST_PATTERN_INC1, inc_base + 2, + CRTC_TEST_PATTERN_HRES, 8, + CRTC_TEST_PATTERN_VRES, 5, + CRTC_TEST_PATTERN_RAMP0_OFFSET, 384 << 6); + } + break; + default: + break; + } + + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_COLOR, tg110->offsets.crtc, 0); + + /* enable test pattern */ + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_CONTROL, tg110->offsets.crtc, 0); + + CRTC_REG_UPDATE_4(CRTC0_CRTC_TEST_PATTERN_CONTROL, + CRTC_TEST_PATTERN_EN, 1, + CRTC_TEST_PATTERN_MODE, mode, + CRTC_TEST_PATTERN_DYNAMIC_RANGE, 0, + CRTC_TEST_PATTERN_COLOR_FORMAT, bit_depth); + } + break; + case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE: + { + value = 0; + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_CONTROL, tg110->offsets.crtc, value); + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_COLOR, tg110->offsets.crtc, value); + dm_write_reg_soc15(ctx, mmCRTC0_CRTC_TEST_PATTERN_PARAMETERS, tg110->offsets.crtc, value); + } + break; + default: + break; + } +} + +static bool dce120_arm_vert_intr( + struct timing_generator *tg, + uint8_t width) +{ + struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + uint32_t v_blank_start, v_blank_end, 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; + + CRTC_REG_SET_2( + CRTC0_CRTC_VERTICAL_INTERRUPT0_POSITION, + CRTC_VERTICAL_INTERRUPT0_LINE_START, v_blank_start, + CRTC_VERTICAL_INTERRUPT0_LINE_END, v_blank_start + width); + + return true; +} + +static const struct timing_generator_funcs dce120_tg_funcs = { + .validate_timing = dce120_tg_validate_timing, + .program_timing = dce120_tg_program_timing, + .enable_crtc = dce120_timing_generator_enable_crtc, + .disable_crtc = dce110_timing_generator_disable_crtc, + /* used by enable_timing_synchronization. Not need for FPGA */ + .is_counter_moving = dce110_timing_generator_is_counter_moving, + /* never be called */ + .get_position = dce120_timing_generator_get_crtc_position, + .get_frame_count = dce120_timing_generator_get_vblank_counter, + .get_scanoutpos = dce120_timing_generator_get_crtc_scanoutpos, + .set_early_control = dce120_timing_generator_set_early_control, + /* used by enable_timing_synchronization. Not need for FPGA */ + .wait_for_state = dce120_tg_wait_for_state, + .set_blank = dce120_tg_set_blank, + .is_blanked = dce120_tg_is_blanked, + /* never be called */ + .set_colors = dce120_tg_set_colors, + .set_overscan_blank_color = dce120_timing_generator_set_overscan_color_black, + .set_blank_color = dce120_timing_generator_program_blank_color, + .disable_vga = dce120_timing_generator_disable_vga, + .did_triggered_reset_occur = dce120_timing_generator_did_triggered_reset_occur, + .setup_global_swap_lock = dce120_timing_generator_setup_global_swap_lock, + .enable_reset_trigger = dce120_timing_generator_enable_reset_trigger, + .disable_reset_trigger = dce120_timing_generator_disable_reset_trigger, + .tear_down_global_swap_lock = dce120_timing_generator_tear_down_global_swap_lock, + .enable_advanced_request = dce120_timing_generator_enable_advanced_request, + .set_drr = dce120_timing_generator_set_drr, + .set_static_screen_control = dce120_timing_generator_set_static_screen_control, + .set_test_pattern = dce120_timing_generator_set_test_pattern, + .arm_vert_intr = dce120_arm_vert_intr, +}; + + +void dce120_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 = &dce120_tg_funcs; + + tg110->base.ctx = ctx; + tg110->base.bp = ctx->dc_bios; + + tg110->max_h_total = CRTC0_CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1; + tg110->max_v_total = CRTC0_CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1; + + /*//CRTC requires a minimum HBLANK = 32 pixels and o + * Minimum HSYNC = 8 pixels*/ + tg110->min_h_blank = 32; + /*DCE12_CRTC_Block_ARch.doc*/ + tg110->min_h_front_porch = 0; + tg110->min_h_back_porch = 0; + + tg110->min_h_sync_width = 8; + tg110->min_v_sync_width = 1; + tg110->min_v_blank = 3; +} |