diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c new file mode 100644 index 000000000000..265894851493 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c @@ -0,0 +1,239 @@ +/* + * 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 DCE8 register header files */ +#include "dce/dce_8_0_d.h" +#include "dce/dce_8_0_sh_mask.h" + +#include "dc_types.h" + +#include "include/grph_object_id.h" +#include "include/logger_interface.h" +#include "../dce110/dce110_timing_generator.h" +#include "dce80_timing_generator.h" + +#include "timing_generator.h" + +enum black_color_format { + BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0, /* used as index in array */ + BLACK_COLOR_FORMAT_RGB_LIMITED, + BLACK_COLOR_FORMAT_YUV_TV, + BLACK_COLOR_FORMAT_YUV_CV, + BLACK_COLOR_FORMAT_YUV_SUPER_AA, + + BLACK_COLOR_FORMAT_COUNT +}; + +static const struct dce110_timing_generator_offsets reg_offsets[] = { +{ + .crtc = (mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP0_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +}, +{ + .crtc = (mmCRTC1_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP1_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +}, +{ + .crtc = (mmCRTC2_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP2_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +}, +{ + .crtc = (mmCRTC3_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP3_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +}, +{ + .crtc = (mmCRTC4_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP4_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +}, +{ + .crtc = (mmCRTC5_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL), + .dcp = (mmDCP5_GRPH_CONTROL - mmDCP0_GRPH_CONTROL), +} +}; + +#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) +#define DMIF_REG(reg) (reg + tg110->offsets.dmif) + +void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_khz) +{ + uint64_t pix_dur; + uint32_t addr = mmDMIF_PG0_DPG_PIPE_ARBITRATION_CONTROL1 + + DCE110TG_FROM_TG(tg)->offsets.dmif; + uint32_t value = dm_read_reg(tg->ctx, addr); + + if (pix_clk_khz == 0) + return; + + pix_dur = 1000000000 / pix_clk_khz; + + set_reg_field_value( + value, + pix_dur, + DPG_PIPE_ARBITRATION_CONTROL1, + PIXEL_DURATION); + + dm_write_reg(tg->ctx, addr, value); +} + +static void program_timing(struct timing_generator *tg, + const struct dc_crtc_timing *timing, + bool use_vbios) +{ + if (!use_vbios) + program_pix_dur(tg, timing->pix_clk_khz); + + dce110_tg_program_timing(tg, timing, use_vbios); +} + +static const struct timing_generator_funcs dce80_tg_funcs = { + .validate_timing = dce110_tg_validate_timing, + .program_timing = 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, + .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, + + /* DCE8.0 overrides */ + .enable_advanced_request = + dce80_timing_generator_enable_advanced_request, +}; + +void dce80_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->derived_offsets = reg_offsets[instance]; + + tg110->base.funcs = &dce80_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; +} + +void dce80_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); +} |