diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c new file mode 100644 index 000000000000..39da73eba86e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c @@ -0,0 +1,252 @@ +/* + * Copyright 2019 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 "dmub_abm.h" +#include "dmub_abm_lcd.h" +#include "dce_abm.h" +#include "dc.h" +#include "dc_dmub_srv.h" +#include "dmub/dmub_srv.h" +#include "core_types.h" +#include "dm_services.h" +#include "reg_helper.h" +#include "fixed31_32.h" + +#ifdef _WIN32 +#include "atombios.h" +#else +#include "atom.h" +#endif + +#define TO_DMUB_ABM(abm)\ + container_of(abm, struct dce_abm, base) + +#define REG(reg) \ + (dce_abm->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + dce_abm->abm_shift->field_name, dce_abm->abm_mask->field_name + +#define CTX \ + dce_abm->base.ctx + +#define DISABLE_ABM_IMMEDIATELY 255 + + + +static void dmub_abm_enable_fractional_pwm(struct dc_context *dc) +{ + union dmub_rb_cmd cmd; + uint32_t fractional_pwm = (dc->dc->config.disable_fractional_pwm == false) ? 1 : 0; + uint32_t edp_id_count = dc->dc_edp_id_count; + int i; + uint8_t panel_mask = 0; + + for (i = 0; i < edp_id_count; i++) + panel_mask |= 0x01 << i; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_pwm_frac.header.type = DMUB_CMD__ABM; + cmd.abm_set_pwm_frac.header.sub_type = DMUB_CMD__ABM_SET_PWM_FRAC; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.fractional_pwm = fractional_pwm; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.panel_mask = panel_mask; + cmd.abm_set_pwm_frac.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pwm_frac_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); +} + +void dmub_abm_init(struct abm *abm, uint32_t backlight) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + + REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x3); + REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x1); + REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x3); + REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x1); + REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x1); + + REG_SET_3(DC_ABM1_HG_MISC_CTRL, 0, + ABM1_HG_NUM_OF_BINS_SEL, 0, + ABM1_HG_VMAX_SEL, 1, + ABM1_HG_BIN_BITWIDTH_SIZE_SEL, 0); + + REG_SET_3(DC_ABM1_IPCSC_COEFF_SEL, 0, + ABM1_IPCSC_COEFF_SEL_R, 2, + ABM1_IPCSC_COEFF_SEL_G, 4, + ABM1_IPCSC_COEFF_SEL_B, 2); + + REG_UPDATE(BL1_PWM_CURRENT_ABM_LEVEL, + BL1_PWM_CURRENT_ABM_LEVEL, backlight); + + REG_UPDATE(BL1_PWM_TARGET_ABM_LEVEL, + BL1_PWM_TARGET_ABM_LEVEL, backlight); + + REG_UPDATE(BL1_PWM_USER_LEVEL, + BL1_PWM_USER_LEVEL, backlight); + + REG_UPDATE_2(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, + ABM1_LS_MIN_PIXEL_VALUE_THRES, 0, + ABM1_LS_MAX_PIXEL_VALUE_THRES, 1000); + + REG_SET_3(DC_ABM1_HGLS_REG_READ_PROGRESS, 0, + ABM1_HG_REG_READ_MISSED_FRAME_CLEAR, 1, + ABM1_LS_REG_READ_MISSED_FRAME_CLEAR, 1, + ABM1_BL_REG_READ_MISSED_FRAME_CLEAR, 1); + + dmub_abm_enable_fractional_pwm(abm->ctx); +} + +unsigned int dmub_abm_get_current_backlight(struct abm *abm) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + unsigned int backlight = REG_READ(BL1_PWM_CURRENT_ABM_LEVEL); + + /* return backlight in hardware format which is unsigned 17 bits, with + * 1 bit integer and 16 bit fractional + */ + return backlight; +} + +unsigned int dmub_abm_get_target_backlight(struct abm *abm) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + unsigned int backlight = REG_READ(BL1_PWM_TARGET_ABM_LEVEL); + + /* return backlight in hardware format which is unsigned 17 bits, with + * 1 bit integer and 16 bit fractional + */ + return backlight; +} + +bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_level.header.type = DMUB_CMD__ABM; + cmd.abm_set_level.header.sub_type = DMUB_CMD__ABM_SET_LEVEL; + cmd.abm_set_level.abm_set_level_data.level = level; + cmd.abm_set_level.abm_set_level_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_level.abm_set_level_data.panel_mask = panel_mask; + cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_level_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + return true; +} + +void dmub_abm_init_config(struct abm *abm, + const char *src, + unsigned int bytes, + unsigned int inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint8_t panel_mask = 0x01 << inst; + + // TODO: Optimize by only reading back final 4 bytes + dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb); + + // Copy iramtable into cw7 + memcpy(dc->dmub_srv->dmub->scratch_mem_fb.cpu_addr, (void *)src, bytes); + + memset(&cmd, 0, sizeof(cmd)); + // Fw will copy from cw7 to fw_state + cmd.abm_init_config.header.type = DMUB_CMD__ABM; + cmd.abm_init_config.header.sub_type = DMUB_CMD__ABM_INIT_CONFIG; + cmd.abm_init_config.abm_init_config_data.src.quad_part = dc->dmub_srv->dmub->scratch_mem_fb.gpu_addr; + cmd.abm_init_config.abm_init_config_data.bytes = bytes; + cmd.abm_init_config.abm_init_config_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_init_config.abm_init_config_data.panel_mask = panel_mask; + + cmd.abm_init_config.header.payload_bytes = sizeof(struct dmub_cmd_abm_init_config_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + +} + +bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint8_t panel_mask = 0x01 << panel_inst; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_pause.header.type = DMUB_CMD__ABM; + cmd.abm_pause.header.sub_type = DMUB_CMD__ABM_PAUSE; + cmd.abm_pause.abm_pause_data.enable = pause; + cmd.abm_pause.abm_pause_data.panel_mask = panel_mask; + cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_pause_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + return true; +} + +bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint32_t ramping_boundary = 0xFFFF; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; + cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE; + cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst; + cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option; + cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst; + cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary; + cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + return true; +} + +bool dmub_abm_set_backlight_level(struct abm *abm, + unsigned int backlight_pwm_u16_16, + unsigned int frame_ramp, + unsigned int panel_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_backlight.header.type = DMUB_CMD__ABM; + cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT; + cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp; + cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16; + cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst); + cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data); + + dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT); + + return true; +} + |