// SPDX-License-Identifier: MIT // // Copyright 2026 Advanced Micro Devices, Inc. #include "dm_services.h" #include "dc.h" #include "mod_power.h" #include "core_types.h" #include "dmcu.h" #include "abm.h" #include "power_helpers.h" #include "dce/dmub_psr.h" #include "dal_asic_id.h" #include "link_service.h" #include #define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */ #define DC_TRACE_LEVEL_MESSAGEP(...) /* do nothing */ #define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b)) #define bswap16_based_on_endian(big_endian, value) \ ((big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)) /* Possible Min Reduction config from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 * 100 98.0 94.1 94.1 85.1 80.3 75.3 69.4 60.0 57.6 50.2 49.8 40.0 % */ static const unsigned char min_reduction_table[13] = { 0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66}; /* Possible Max Reduction configs from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 * 96.1 89.8 85.1 80.3 69.4 64.7 64.7 50.2 39.6 30.2 30.2 30.2 19.6 % */ static const unsigned char max_reduction_table[13] = { 0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32}; /* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 % */ static const unsigned char min_reduction_table_v_2_2[13] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0}; /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive * 0 1 2 3 4 5 6 7 8 9 10 11 12 * 96.1 89.8 74.9 69.4 64.7 52.2 48.6 39.6 30.2 25.1 19.6 12.5 12.5 % */ static const unsigned char max_reduction_table_v_2_2[13] = { 0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20}; /* Predefined ABM configuration sets. We may have different configuration sets * in order to satisfy different power/quality requirements. */ static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = { /* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */ { 2, 5, 7, 8 }, /* Default - Medium aggressiveness */ { 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */ { 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */ { 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */ }; struct abm_parameters { unsigned char min_reduction; unsigned char max_reduction; unsigned char bright_pos_gain; unsigned char dark_pos_gain; unsigned char brightness_gain; unsigned char contrast_factor; unsigned char deviation_gain; unsigned char min_knee; unsigned char max_knee; unsigned short blRampReduction; unsigned short blRampStart; }; static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = { // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0, 0xf777, 0xcccc}, {0xde, 0x85, 0x20, 0x00, 0xe0, 0x90, 0xa8, 0x40, 0xc8, 0xf777, 0xcccc}, {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0, 0xeeee, 0x9999}, {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xe333, 0xb333}, }; static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = { // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, }; static const struct abm_parameters abm_settings_config2[abm_defines_max_level] = { // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart {0xf0, 0xbf, 0x20, 0x00, 0x88, 0x99, 0xb3, 0x40, 0xe0, 0x0000, 0xcccc}, {0xd8, 0x85, 0x20, 0x00, 0x70, 0x90, 0xa8, 0x40, 0xc8, 0x0700, 0xb333}, {0xb8, 0x58, 0x20, 0x00, 0x64, 0x88, 0x78, 0x70, 0xa0, 0x7000, 0x9999}, {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xc333, 0xb333}, }; static const struct abm_parameters * const abm_settings[] = { abm_settings_config0, abm_settings_config1, abm_settings_config2, }; static const struct dm_bl_data_point custom_backlight_curve0[] = { {2, 14}, {4, 16}, {6, 18}, {8, 21}, {10, 23}, {12, 26}, {14, 29}, {16, 32}, {18, 35}, {20, 38}, {22, 41}, {24, 44}, {26, 48}, {28, 52}, {30, 55}, {32, 59}, {34, 62}, {36, 67}, {38, 71}, {40, 75}, {42, 80}, {44, 84}, {46, 88}, {48, 93}, {50, 98}, {52, 103}, {54, 108}, {56, 113}, {58, 118}, {60, 123}, {62, 129}, {64, 135}, {66, 140}, {68, 146}, {70, 152}, {72, 158}, {74, 164}, {76, 171}, {78, 177}, {80, 183}, {82, 190}, {84, 197}, {86, 204}, {88, 211}, {90, 218}, {92, 225}, {94, 232}, {96, 240}, {98, 247}}; struct custom_backlight_profile { uint8_t ac_level_percentage; uint8_t dc_level_percentage; uint8_t min_input_signal; uint8_t max_input_signal; uint8_t num_data_points; const struct dm_bl_data_point *data_points; }; static const struct custom_backlight_profile custom_backlight_profiles[] = { {100, 32, 12, 255, ARRAY_SIZE(custom_backlight_curve0), custom_backlight_curve0}, }; #define NUM_AMBI_LEVEL 5 #define NUM_AGGR_LEVEL 4 #define NUM_POWER_FN_SEGS 8 #define NUM_BL_CURVE_SEGS 16 #define IRAM_SIZE 256 #define IRAM_RESERVE_AREA_START_V2 0xF0 // reserve 0xF0~0xF6 are write by DMCU only #define IRAM_RESERVE_AREA_END_V2 0xF6 // reserve 0xF0~0xF6 are write by DMCU only #define IRAM_RESERVE_AREA_START_V2_2 0xF0 // reserve 0xF0~0xFF are write by DMCU only #define IRAM_RESERVE_AREA_END_V2_2 0xFF // reserve 0xF0~0xFF are write by DMCU only #pragma pack(push, 1) /* NOTE: iRAM is 256B in size */ struct iram_table_v_2 { /* flags */ uint16_t min_abm_backlight; /* 0x00 U16 */ /* parameters for ABM2.0 algorithm */ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */ uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */ uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */ uint8_t deviation_gain; /* 0x7f U0.8 */ /* parameters for crgb conversion */ uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ /* parameters for custom curve */ /* thresholds for brightness --> backlight */ uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ /* offsets for brightness --> backlight */ uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ /* For reading PSR State directly from IRAM */ uint8_t psr_state; /* 0xf0 */ uint8_t dmcu_mcp_interface_version; /* 0xf1 */ uint8_t dmcu_abm_feature_version; /* 0xf2 */ uint8_t dmcu_psr_feature_version; /* 0xf3 */ uint16_t dmcu_version; /* 0xf4 */ uint8_t dmcu_state; /* 0xf6 */ uint16_t blRampReduction; /* 0xf7 */ uint16_t blRampStart; /* 0xf9 */ uint8_t dummy5; /* 0xfb */ uint8_t dummy6; /* 0xfc */ uint8_t dummy7; /* 0xfd */ uint8_t dummy8; /* 0xfe */ uint8_t dummy9; /* 0xff */ }; struct iram_table_v_2_2 { /* flags */ uint16_t flags; /* 0x00 U16 */ /* parameters for ABM2.2 algorithm */ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ uint16_t min_abm_backlight; /* 0x6b U16 */ uint8_t pad[19]; /* 0x6d U0.8 */ /* parameters for crgb conversion */ uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ /* parameters for custom curve */ /* thresholds for brightness --> backlight */ uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ /* offsets for brightness --> backlight */ uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ /* For reading PSR State directly from IRAM */ uint8_t psr_state; /* 0xf0 */ uint8_t dmcu_mcp_interface_version; /* 0xf1 */ uint8_t dmcu_abm_feature_version; /* 0xf2 */ uint8_t dmcu_psr_feature_version; /* 0xf3 */ uint16_t dmcu_version; /* 0xf4 */ uint8_t dmcu_state; /* 0xf6 */ uint8_t dummy1; /* 0xf7 */ uint8_t dummy2; /* 0xf8 */ uint8_t dummy3; /* 0xf9 */ uint8_t dummy4; /* 0xfa */ uint8_t dummy5; /* 0xfb */ uint8_t dummy6; /* 0xfc */ uint8_t dummy7; /* 0xfd */ uint8_t dummy8; /* 0xfe */ uint8_t dummy9; /* 0xff */ }; #pragma pack(pop) #define MOD_POWER_MAX_CONCURRENT_STREAMS 32 #define SMOOTH_BRIGHTNESS_ADJUSTMENT_TIME_IN_MS 500 /* If system or panel does not report some sort of brightness percent to nits * mapping, we will use following default values so backlight control using * nits based interfaces will still work, but might not describe panel * correctly. In this case percentage based backlight control should ideally * be used. * Min = 5 nits * Max = 300 nits */ #define MOD_POWER_TO_CORE(mod_power)\ container_of(mod_power, struct core_power, mod_public) static uint16_t backlight_8_to_16(unsigned int backlight_8bit) { return (uint16_t)(backlight_8bit * 0x101); } unsigned int backlight_millipercent_to_millinit( struct core_power *core_power, unsigned int millipercent, unsigned int inst) { unsigned int millinit = 0; unsigned long long numerator = 0; if (core_power == NULL) return 0; numerator = ((unsigned long long)millipercent) * core_power->bl_prop[inst].nits_range; millinit = ((unsigned int)div_u64(numerator, 100000)) + core_power->bl_prop[inst].min_brightness_millinits; return millinit; } static unsigned int backlight_millinit_to_millipercent( struct core_power *core_power, unsigned int millinit, unsigned int inst) { unsigned int millipercent = 0; unsigned long long numerator = 0; if (core_power == NULL) return 0; if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) return 0; if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) return (100 * 1000); numerator = (((unsigned long long)millinit) - core_power->bl_prop[inst].min_brightness_millinits) * 100000; millipercent = ((unsigned int)div_u64(numerator, core_power->bl_prop[inst].nits_range)); return millipercent; } static unsigned int backlight_pwm_to_millipercent( struct core_power *core_power, unsigned int pwm, unsigned int inst) { unsigned int millipercent = 0; unsigned int max_index = 0; if (core_power == NULL) return 0; if (!core_power->bl_prop[inst].backlight_caps_valid) return 0; /* Doesn't really make sense to have one single backlight level * possible... */ if (core_power->bl_prop[inst].num_backlight_levels < 2) return 0; max_index = core_power->bl_prop[inst].num_backlight_levels - 1; if (pwm <= core_power->bl_prop[inst].backlight_lut[0]) return 0; if (pwm > core_power->bl_prop[inst].backlight_lut[max_index]) return (100 * 1000); /* We need to do a binary search over the array for where the pwm level * is in the lut. Based on the index we can determine percentage. */ unsigned int min = 0; unsigned int max = max_index; unsigned int mid = 0; while (max >= min) { mid = (min + max) / 2; /* floor of half range */ if (core_power->bl_prop[inst].backlight_lut[mid] < pwm) min = mid + 1; else if (core_power->bl_prop[inst].backlight_lut[mid] > pwm) max = mid - 1; else break; } /* In this case, exact match is not found. Check if mid/min/max * value is actually closer. */ if (max < min) { unsigned int min_delta; unsigned int mid_delta; unsigned int max_delta; min_delta = (core_power->bl_prop[inst].backlight_lut[min] > pwm) ? core_power->bl_prop[inst].backlight_lut[min] - pwm : pwm - core_power->bl_prop[inst].backlight_lut[min]; mid_delta = (core_power->bl_prop[inst].backlight_lut[mid] > pwm) ? core_power->bl_prop[inst].backlight_lut[mid] - pwm : pwm - core_power->bl_prop[inst].backlight_lut[mid]; max_delta = (core_power->bl_prop[inst].backlight_lut[max] > pwm) ? core_power->bl_prop[inst].backlight_lut[max] - pwm : pwm - core_power->bl_prop[inst].backlight_lut[max]; if ((min_delta < mid_delta) && (min_delta < max_delta)) mid = min; if ((max_delta < mid_delta) && (max_delta < min_delta)) mid = max; } /* No interpolation, just take closest index */ millipercent = 1000 * 100 * mid / max_index; return millipercent; } static unsigned int backlight_pwm_to_millinit( struct core_power *core_power, unsigned int pwm, unsigned int inst) { unsigned int millinit = 0; if (core_power == NULL) return 0; if (pwm <= core_power->bl_prop[inst].min_backlight_pwm) return core_power->bl_prop[inst].min_brightness_millinits; if (pwm >= core_power->bl_prop[inst].max_backlight_pwm) return core_power->bl_prop[inst].max_brightness_millinits; millinit = ((unsigned int)div_u64(((unsigned long long)pwm - core_power->bl_prop[inst].min_backlight_pwm) * core_power->bl_prop[inst].nits_range, core_power->bl_prop[inst].backlight_range)); millinit += core_power->bl_prop[inst].min_brightness_millinits; if (millinit > core_power->bl_prop[inst].max_brightness_millinits) millinit = core_power->bl_prop[inst].max_brightness_millinits; return millinit; } unsigned int backlight_millipercent_to_pwm( struct core_power *core_power, unsigned int millipercent, unsigned int inst) { unsigned int pwm = (unsigned int)-1; unsigned int index = 0; if (core_power == NULL) return 0; // Bypass the brightness mapping LUT if (core_power->bl_prop->use_linear_backlight_curve) { pwm = core_power->bl_prop[inst].min_backlight_pwm + (unsigned int) div_u64((unsigned long long) millipercent * core_power->bl_prop[inst].backlight_range, 100000); if (pwm > core_power->bl_prop[inst].max_backlight_pwm) pwm = core_power->bl_prop[inst].max_backlight_pwm; return pwm; } if (millipercent >= (100 * 1000)) return core_power->bl_prop[inst].backlight_lut[core_power->bl_prop[inst].num_backlight_levels - 1]; /* This will give the floor index. */ index = ((core_power->bl_prop[inst].num_backlight_levels - 1) * millipercent) / 100000; /* Null check otherwise eDP doesn't lightup when connected to DP1 */ if (core_power->bl_prop[inst].backlight_lut == NULL) return pwm; pwm = core_power->bl_prop[inst].backlight_lut[index]; return pwm; } static unsigned int backlight_millinit_to_pwm( struct core_power *core_power, unsigned int millinit, unsigned int inst) { unsigned int pwm = 0; if (core_power == NULL) return 0; /* For nits based brightness, the signal will be a value * between the minimum and maximum value. */ if (millinit >= core_power->bl_prop[inst].max_brightness_millinits) return core_power->bl_prop[inst].max_backlight_pwm; else if (millinit <= core_power->bl_prop[inst].min_brightness_millinits) return core_power->bl_prop[inst].min_backlight_pwm; pwm = ((unsigned int)div_u64(((unsigned long long)millinit - core_power->bl_prop[inst].min_brightness_millinits) * core_power->bl_prop[inst].backlight_range, core_power->bl_prop[inst].nits_range)); pwm += core_power->bl_prop[inst].min_backlight_pwm; if (pwm > core_power->bl_prop[inst].max_backlight_pwm) pwm = core_power->bl_prop[inst].max_backlight_pwm; return pwm; } static bool validate_ext_backlight_caps( struct dm_acpi_atif_backlight_caps *ext_backlight_caps) { unsigned int i; unsigned int num_of_data_points = 0; unsigned int last_signal_level = 0; unsigned int last_luminance = 0; num_of_data_points = ext_backlight_caps->num_data_points; /* Validation rules: * 1. BIOS should carry customized data points and * the number of data points should not be larger than 99. * 2. The max_input_signal should be larger than min_input_signal. * 3. For each data point: * a. luminance should be in ascending order and * should not be 0 or 100 since the corresponding signal_level * are assigned by min_input_signal and max_input_signal. * b. signal_level should be in ascending order and * be within the range of min/max_input_signal. */ if (num_of_data_points > BL_DATA_POINTS) return false; if (ext_backlight_caps->min_input_signal >= ext_backlight_caps->max_input_signal) return false; last_signal_level = ext_backlight_caps->min_input_signal; for (i = 0; i < num_of_data_points; i++) { unsigned int luminance = ext_backlight_caps->data_points[i].luminance; unsigned int signal_level = ext_backlight_caps->data_points[i].signal_level; if ((luminance <= last_luminance) || (luminance > BL_DATA_POINTS)) return false; if ((signal_level <= last_signal_level) || (signal_level >= ext_backlight_caps->max_input_signal)) return false; last_signal_level = signal_level; last_luminance = luminance; } return true; } /* hard coded to default backlight curve. */ void initialize_backlight_caps(struct core_power *core_power, unsigned int inst) { unsigned int i; struct dm_acpi_atif_backlight_caps *ext_backlight_caps = NULL; bool custom_curve_present = false; unsigned int num_levels = 0; struct dc *dc = NULL; enum dm_acpi_display_type acpi_display_type = (inst == 0) ? AcpiDisplayType_LCD1 : AcpiDisplayType_LCD2; if (core_power == NULL) return; dc = core_power->dc; num_levels = core_power->bl_prop[inst].num_backlight_levels; /* Allocate memory for ATIF output * (do not want to use 256 bytes on the stack) */ ext_backlight_caps = (struct dm_acpi_atif_backlight_caps *) (kzalloc(sizeof(struct dm_acpi_atif_backlight_caps), GFP_KERNEL)); if (ext_backlight_caps == NULL) return; /* Retrieve ACPI extended brightness caps */ if (dm_query_extended_brightness_caps (dc->ctx, acpi_display_type, ext_backlight_caps)) { custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); } if (core_power->bl_prop[inst].use_custom_backlight_caps && fill_custom_backlight_caps( core_power->bl_prop[inst].custom_backlight_caps_config_no, ext_backlight_caps)) { custom_curve_present = validate_ext_backlight_caps(ext_backlight_caps); } if (custom_curve_present) { unsigned int index = 1; unsigned int num_of_data_points = ext_backlight_caps->num_data_points; core_power->bl_prop[inst].ac_backlight_percent = ext_backlight_caps->ac_level_percentage; core_power->bl_prop[inst].dc_backlight_percent = ext_backlight_caps->dc_level_percentage; core_power->bl_prop[inst].backlight_lut[0] = backlight_8_to_16( ext_backlight_caps->min_input_signal); core_power->bl_prop[inst].backlight_lut[num_levels - 1] = backlight_8_to_16( ext_backlight_caps->max_input_signal); /* Filling translation table from data points - * between every two provided data points we * lineary interpolate missing values */ for (i = 0; i < num_of_data_points; i++) { unsigned int luminance = ext_backlight_caps->data_points[i].luminance; unsigned int signal_level = backlight_8_to_16( ext_backlight_caps->data_points[i].signal_level); /* Since luminance is a percentage, scale it by num_levels*/ luminance = (luminance * num_levels) / 101; /* Lineary interpolate missing values */ if (index < luminance) { unsigned int base_value = core_power->bl_prop[inst].backlight_lut[index-1]; unsigned int delta_signal = signal_level - base_value; unsigned int delta_luma = luminance - index + 1; unsigned int step = delta_signal; for (; index < luminance; index++) { core_power->bl_prop[inst].backlight_lut[index] = base_value + (step / delta_luma); step += delta_signal; } } /* Now [index == luminance], * so we can add data point to the translation table */ core_power->bl_prop[inst].backlight_lut[index++] = signal_level; } /* Complete the final segment of interpolation - * between last datapoint and maximum value */ if (index < num_levels - 1) { unsigned int base_value = core_power->bl_prop[inst].backlight_lut[index-1]; unsigned int delta_signal = core_power->bl_prop[inst].backlight_lut[num_levels - 1] - base_value; unsigned int delta_luma = num_levels - index; unsigned int step = delta_signal; for (; index < num_levels - 1; index++) { core_power->bl_prop[inst].backlight_lut[index] = base_value + (step / delta_luma); step += delta_signal; } } /* Build backlight translation table based on default curve */ } else { /* Defines default backlight curve F(x) = A(x*x) + Bx + C. * * Backlight curve should always satisfy: * F(0) = min, F(100) = max, * So polynom coefficients are: * A is 0.0255 - B/100 - min/10000 - (255-max)/10000 = * (max - min)/10000 - B/100 * B is adjustable factor to modify the curve. * Bigger B results in less concave curve. * B range is [0..(max-min)/100] * C is backlight minimum */ unsigned int backlight_curve_coeff_a_factor = num_levels * num_levels; unsigned int backlight_curve_coeff_b = num_levels; unsigned int delta = core_power->bl_prop[inst].backlight_lut[num_levels - 1] - core_power->bl_prop[inst].backlight_lut[0]; unsigned int coeffC = core_power->bl_prop[inst].backlight_lut[0]; unsigned int coeffB = (backlight_curve_coeff_b < delta ? backlight_curve_coeff_b : delta); unsigned long long coeffA = delta - coeffB; /* coeffB is B*100 */ for (i = 1; i < num_levels - 1; i++) { uint64_t lut_val = div_u64(coeffA * i * i, backlight_curve_coeff_a_factor) + div_u64((uint64_t)coeffB * i, backlight_curve_coeff_b) + coeffC; ASSERT(lut_val <= 0xFFFFFFFF); core_power->bl_prop[inst].backlight_lut[i] = (unsigned int)lut_val; } } if (ext_backlight_caps != NULL) kfree(ext_backlight_caps); /* Successfully initialized */ core_power->bl_prop[inst].backlight_caps_valid = true; } static void varibright_set_level(struct core_power *core_power) { if (!core_power->varibright_prop.varibright_active || !core_power->varibright_prop.varibright_user_enable) core_power->varibright_prop.varibright_hw_level = 0; else core_power->varibright_prop.varibright_hw_level = core_power->varibright_prop.varibright_level; } bool mod_power_hw_init_backlight(struct mod_power *mod_power) { struct core_power *core_power = NULL; struct dc *dc = NULL; struct dmcu *dmcu = NULL; struct dmcu_iram_parameters params; unsigned int i; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); dc = core_power->dc; for (i = 0; i < core_power->edp_num; i++) { params.set = core_power->varibright_prop.varibright_config_setting; params.backlight_ramping_override = core_power->bl_prop[i].backlight_ramping_override; params.backlight_ramping_reduction = core_power->bl_prop[i].backlight_ramping_reduction; params.backlight_ramping_start = core_power->bl_prop[i].backlight_ramping_start; params.backlight_lut_array = core_power->bl_prop[i].backlight_lut; params.backlight_lut_array_size = core_power->bl_prop[i].num_backlight_levels; params.min_abm_backlight = core_power->bl_prop[i].min_abm_backlight; dmcu = dc->res_pool->dmcu; // In the case where abm is implemented on dmcub, // dmcu object will be null. // ABM 2.4 and up are implemented on dmcub. if (dmcu) { //DMCU does not support multiple eDP return dmcu_load_iram(dmcu, params); } else if (dc->ctx->dmub_srv) { if (!dmub_init_abm_config(dc->res_pool, params, i)) return false; } else return false; } return true; } void mod_power_update_backlight_on_mode_change( struct core_power *core_power, struct dc_link *link, unsigned int panel_inst, uint8_t aux_inst, bool is_hdr) { struct set_backlight_level_params backlight_level_params = { 0 }; if (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 || link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1) dc_link_set_backlight_level_nits(link, core_power->bl_state[panel_inst].isHDR, core_power->bl_state[panel_inst].backlight_millinit, 0); backlight_level_params.frame_ramp = 0; fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, core_power->bl_state[panel_inst].backlight_pwm, link->backlight_control_type, core_power->bl_state[panel_inst].backlight_millinit, 0, is_hdr); dc_link_set_backlight_level(link, &backlight_level_params); } static bool set_backlight_millinits_aux(struct core_power *core_power, struct dc_stream_state *stream, unsigned int backlight_millinits, unsigned int transition_time_millisec, unsigned int inst) { struct dc_link *link = NULL; if (core_power == NULL) return false; if (stream == NULL) return true; link = dc_stream_get_link(stream); return dc_link_set_backlight_level_nits(link, core_power->bl_state[inst].isHDR, backlight_millinits, transition_time_millisec); } static bool set_backlight(struct core_power *core_power, struct dc_stream_state *stream, struct set_backlight_level_params *backlight_level_params, unsigned int inst) { bool retv = false; unsigned int frame_ramp = 0; unsigned int vsync_rate_hz; union dmcu_abm_set_bl_params params; const struct dc_link *link = NULL; unsigned int backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16; unsigned int transition_time_millisec = backlight_level_params->transition_time_in_ms; if (core_power == NULL) return false; core_power->bl_state[inst].backlight_pwm = backlight_pwm_u16_16; if (stream == NULL) return true; if (stream->link->connector_signal != SIGNAL_TYPE_EDP) return false; if (transition_time_millisec != 0) { unsigned int v_total = (stream->adjust.v_total_max == 0) ? stream->timing.v_total : stream->adjust.v_total_max; vsync_rate_hz = (unsigned int)div_u64(div_u64((stream-> timing.pix_clk_100hz * 100), v_total), stream->timing.h_total); if (core_power->bl_state[inst].smooth_brightness_enabled) frame_ramp = ((vsync_rate_hz * transition_time_millisec) + 500) / 1000; } core_power->bl_state[inst].frame_ramp = frame_ramp; params.u32All = 0; params.bits.gradual_change = (frame_ramp > 0); params.bits.frame_ramp = frame_ramp; link = dc_stream_get_link(stream); mod_power_set_psr_event(&core_power->mod_public, stream, true, psr_event_hw_programming, true); mod_power_set_replay_event(&core_power->mod_public, stream, true, replay_event_hw_programming, true); backlight_level_params->frame_ramp = params.u32All; retv = dc_link_set_backlight_level(link, backlight_level_params); mod_power_set_psr_event(&core_power->mod_public, stream, false, psr_event_hw_programming, false); mod_power_set_replay_event(&core_power->mod_public, stream, false, replay_event_hw_programming, false); return retv; } void fill_backlight_level_params(struct core_power *core_power, struct set_backlight_level_params *backlight_level_params, int panel_inst, uint8_t aux_inst, unsigned int backlight_pwm, enum backlight_control_type backlight_control_type, unsigned int backlight_millinit, unsigned int transition_time_millisec, bool is_hdr) { struct pwr_backlight_properties *bl_prop = &core_power->bl_prop[panel_inst]; backlight_level_params->aux_inst = aux_inst; backlight_level_params->backlight_pwm_u16_16 = backlight_pwm; backlight_level_params->control_type = backlight_control_type; backlight_level_params->backlight_millinits = backlight_millinit; backlight_level_params->transition_time_in_ms = transition_time_millisec; backlight_level_params->min_luminance = bl_prop->min_brightness_millinits; backlight_level_params->max_luminance = bl_prop->max_brightness_millinits; backlight_level_params->min_backlight_pwm = bl_prop->min_backlight_pwm; backlight_level_params->max_backlight_pwm = bl_prop->max_backlight_pwm; if (backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX && !is_hdr) backlight_level_params->control_type = BACKLIGHT_CONTROL_PWM; } bool mod_power_set_backlight_nits(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millinit, unsigned int transition_time_millisec, bool skip_aux, bool is_hdr) { struct core_power *core_power = NULL; unsigned int backlight_pwm; unsigned int panel_inst = 0; struct set_backlight_level_params backlight_level_params = { 0 }; const struct dc_link *link = NULL; uint8_t aux_inst = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); link = dc_stream_get_link(stream); if (link->ctx->dc->config.dp_connector_no_native_i2c && link->no_ddc_pin) { aux_inst = (uint8_t)link->aux_hw_inst; } else { ASSERT(link->ddc->ddc_pin->hw_info.ddc_channel <= 0xFF); aux_inst = (uint8_t)link->ddc->ddc_pin->hw_info.ddc_channel; } if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) return false; if (!skip_aux) { if (!set_backlight_millinits_aux(core_power, stream, backlight_millinit, transition_time_millisec, panel_inst)) return false; } // always send both AUX (above) and PWM (below) core_power->bl_state[panel_inst].backlight_millinit = backlight_millinit; core_power->bl_state[panel_inst].backlight_millipercent = backlight_millinit_to_millipercent( core_power, backlight_millinit, panel_inst); backlight_pwm = backlight_millinit_to_pwm( core_power, backlight_millinit, panel_inst); fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, backlight_pwm, link->backlight_control_type, backlight_millinit, transition_time_millisec, is_hdr); return set_backlight(core_power, stream, &backlight_level_params, panel_inst); } bool mod_power_backlight_percent_to_nits(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millipercent, unsigned int *backlight_millinit) { struct core_power *core_power = NULL; unsigned int inst = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) return false; *backlight_millinit = backlight_millipercent_to_millinit( core_power, backlight_millipercent, inst); return true; } bool mod_power_backlight_nits_to_percent(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millinit, unsigned int *backlight_millipercent) { struct core_power *core_power = NULL; unsigned int inst = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) return false; *backlight_millipercent = backlight_millinit_to_millipercent( core_power, backlight_millinit, inst); return true; } bool mod_power_set_backlight_percent(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millipercent, unsigned int transition_time_millisec, bool is_hdr) { struct core_power *core_power = NULL; struct set_backlight_level_params backlight_level_params = { 0 }; const struct dc_link *link = NULL; unsigned int backlight_pwm; unsigned int panel_inst = 0; uint8_t aux_inst = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); link = dc_stream_get_link(stream); if (link->ctx->dc->config.dp_connector_no_native_i2c && link->no_ddc_pin) { aux_inst = (uint8_t)link->aux_hw_inst; } else { ASSERT(link->ddc->ddc_pin->hw_info.ddc_channel <= 0xFF); aux_inst = (uint8_t)link->ddc->ddc_pin->hw_info.ddc_channel; } if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &panel_inst)) return false; core_power->bl_state[panel_inst].backlight_millipercent = backlight_millipercent; core_power->bl_state[panel_inst].backlight_millinit = backlight_millipercent_to_millinit( core_power, backlight_millipercent, panel_inst); backlight_pwm = backlight_millipercent_to_pwm( core_power, backlight_millipercent, panel_inst); fill_backlight_level_params(core_power, &backlight_level_params, panel_inst, aux_inst, backlight_pwm, link->backlight_control_type, core_power->bl_state[panel_inst].backlight_millinit, transition_time_millisec, is_hdr); return set_backlight(core_power, stream, &backlight_level_params, panel_inst); } void mod_power_update_backlight(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millipercent) { struct core_power *core_power = NULL; unsigned int inst = 0; if (mod_power == NULL) return; core_power = MOD_POWER_TO_CORE(mod_power); if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) return; core_power->bl_state[inst].backlight_millipercent = backlight_millipercent; core_power->bl_state[inst].backlight_millinit = backlight_millipercent_to_millinit( core_power, backlight_millipercent, inst); core_power->bl_state[inst].backlight_pwm = backlight_millipercent_to_pwm( core_power, backlight_millipercent, inst); } void mod_power_update_backlight_nits(struct mod_power *mod_power, struct dc_stream_state *stream, unsigned int backlight_millinit) { struct core_power *core_power = NULL; unsigned int inst = 0; if (mod_power == NULL) return; core_power = MOD_POWER_TO_CORE(mod_power); if (!dc_get_edp_link_panel_inst(core_power->dc, stream->link, &inst)) return; core_power->bl_state[inst].backlight_millinit = backlight_millinit; core_power->bl_state[inst].backlight_millipercent = backlight_millinit_to_millipercent( core_power, backlight_millinit, inst); core_power->bl_state[inst].backlight_pwm = backlight_millinit_to_pwm( core_power, backlight_millinit, inst); } bool mod_power_get_backlight_pwm(struct mod_power *mod_power, unsigned int *backlight_pwm, unsigned int inst) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *backlight_pwm = core_power->bl_state[inst].backlight_pwm; return true; } bool mod_power_get_backlight_nits(struct mod_power *mod_power, unsigned int *backlight_millinit, unsigned int inst) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *backlight_millinit = core_power->bl_state[inst].backlight_millinit; return true; } bool mod_power_get_backlight_percent(struct mod_power *mod_power, unsigned int *backlight_millipercent, unsigned int inst) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *backlight_millipercent = core_power->bl_state[inst].backlight_millipercent; return true; } bool mod_power_get_hw_target_backlight_pwm_nits(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_millinit, unsigned int inst) { struct core_power *core_power = NULL; unsigned int backlight_u16_16 = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (mod_power_get_hw_target_backlight_pwm(mod_power, link, &backlight_u16_16)) { *backlight_millinit = backlight_pwm_to_millinit(core_power, backlight_u16_16, inst); return true; } return false; } bool mod_power_get_hw_target_backlight_pwm_percent(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_millipercent, unsigned int inst) { struct core_power *core_power = NULL; unsigned int backlight_u16_16 = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (mod_power_get_hw_target_backlight_pwm(mod_power, link, &backlight_u16_16)) { *backlight_millipercent = backlight_pwm_to_millipercent(core_power, backlight_u16_16, inst); return true; } return false; } bool mod_power_get_hw_target_backlight_pwm(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_u16_16) { if (mod_power == NULL) return false; *backlight_u16_16 = dc_link_get_target_backlight_pwm(link); return true; } bool mod_power_get_hw_backlight_pwm_nits(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_millinit, unsigned int inst) { struct core_power *core_power = NULL; unsigned int backlight_u16_16 = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { *backlight_millinit = backlight_pwm_to_millinit(core_power, backlight_u16_16, inst); return true; } return false; } bool mod_power_get_hw_backlight_aux_nits(struct mod_power *mod_power, struct dc_stream_state **streams, int num_streams, unsigned int *backlight_millinit_avg, unsigned int *backlight_millinit_peak) { struct core_power *core_power = NULL; struct dc_link *link = NULL; int stream_index; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (core_power == NULL) return false; if (num_streams < 1) return true; for (stream_index = 0; stream_index < num_streams; stream_index++) if (streams[stream_index]->link->connector_signal == SIGNAL_TYPE_EDP || streams[stream_index]->link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) break; if (stream_index == num_streams) return false; link = dc_stream_get_link(streams[stream_index]); if (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 0) return false; return dc_link_get_backlight_level_nits(link, backlight_millinit_avg, backlight_millinit_peak); } bool mod_power_get_hw_backlight_pwm_percent(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_millipercent, unsigned int inst) { struct core_power *core_power = NULL; unsigned int backlight_u16_16 = 0; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (mod_power_get_hw_backlight_pwm(mod_power, link, &backlight_u16_16)) { *backlight_millipercent = backlight_pwm_to_millipercent(core_power, backlight_u16_16, inst); return true; } return false; } bool mod_power_get_hw_backlight_pwm(struct mod_power *mod_power, const struct dc_link *link, unsigned int *backlight_u16_16) { if (mod_power == NULL) return false; *backlight_u16_16 = dc_link_get_backlight_level(link); return true; } bool mod_power_get_panel_backlight_boundaries( struct mod_power *mod_power, unsigned int *out_min_backlight, unsigned int *out_max_backlight, unsigned int *out_ac_backlight_percent, unsigned int *out_dc_backlight_percent, unsigned int inst) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); /* If cache was successfully updated, * copy the values to output structure and return success */ if (core_power->bl_prop[inst].backlight_caps_valid) { *out_min_backlight = core_power->bl_prop[inst].backlight_lut[0]; *out_max_backlight = core_power->bl_prop[inst].backlight_lut[ core_power->bl_prop[inst].num_backlight_levels - 1]; *out_ac_backlight_percent = core_power->bl_prop[inst].ac_backlight_percent; *out_dc_backlight_percent = core_power->bl_prop[inst].dc_backlight_percent; return true; } return false; } bool mod_power_set_smooth_brightness(struct mod_power *mod_power, bool enable_brightness, unsigned int inst) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); core_power->bl_state[inst].smooth_brightness_enabled = enable_brightness; return true; } bool mod_power_varibright_feature_enable(struct mod_power *mod_power, bool enable, struct dc_stream_update *stream_update) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); core_power->varibright_prop.varibright_user_enable = enable; /* find abm hw level to program, and save in stream update */ varibright_set_level(core_power); *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">ABM feature enable: enable=%u su->varibright_level=%u varibright_hw_level=%u", (unsigned int) enable, *stream_update->abm_level, core_power->varibright_prop.varibright_hw_level); return true; } bool mod_power_varibright_activate(struct mod_power *mod_power, bool activate, struct dc_stream_update *stream_update) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); core_power->varibright_prop.varibright_active = activate; /* find abm hw level to program, and save in stream update */ varibright_set_level(core_power); *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">ABM activate: activate=%u su->varibright_level=%u", (unsigned int) activate, *stream_update->abm_level); return true; } bool mod_power_varibright_set_level(struct mod_power *mod_power, unsigned int level, struct dc_stream_update *stream_update) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); core_power->varibright_prop.varibright_level = level; core_power->varibright_prop.varibright_hw_level = level; /* find abm hw level to program, and save in stream update */ varibright_set_level(core_power); *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", level, core_power->varibright_prop.varibright_level, core_power->varibright_prop.varibright_hw_level, *stream_update->abm_level); return true; } bool mod_power_varibright_set_hw_level(struct mod_power *mod_power, unsigned int level, struct dc_stream_update *stream_update) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); if (level == 0 || level == ABM_LEVEL_IMMEDIATE_DISABLE) core_power->varibright_prop.varibright_active = 0; else core_power->varibright_prop.varibright_active = 1; core_power->varibright_prop.varibright_hw_level = level; *stream_update->abm_level = core_power->varibright_prop.varibright_hw_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">ABM set level: level=%u -> (varibright_level=%u varibright_hw_level=%u) -> su->varibright_level=%u", level, core_power->varibright_prop.varibright_level, core_power->varibright_prop.varibright_hw_level, *stream_update->abm_level); return true; } bool mod_power_get_varibright_level(struct mod_power *mod_power, unsigned int *varibright_level) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *varibright_level = core_power->varibright_prop.varibright_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">get varibright level: cp->varibright_level=%u", *varibright_level); return true; } bool mod_power_get_varibright_hw_level(struct mod_power *mod_power, unsigned int *varibright_level) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *varibright_level = core_power->varibright_prop.varibright_hw_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">get varibright HW level: hw_level=%u", *varibright_level); return true; } bool mod_power_get_varibright_default_level(struct mod_power *mod_power, unsigned int *varibright_level) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *varibright_level = core_power->varibright_prop.def_varibright_level; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">get varibright default level: def_varibright_level=%u", *varibright_level); return true; } bool mod_power_get_varibright_enable(struct mod_power *mod_power, bool *varibright_enable) { struct core_power *core_power = NULL; if (mod_power == NULL) return false; core_power = MOD_POWER_TO_CORE(mod_power); *varibright_enable = core_power->varibright_prop.varibright_user_enable; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">get varibright enable state: varibright_user_enable=%u", (unsigned int) (*varibright_enable)); return true; } bool mod_power_is_abm_active(struct mod_power *mod_power, const struct dc_link *link, unsigned int inst) { unsigned int user_backlight = 0; unsigned int current_backlight = 0; bool is_active = false; if (mod_power == NULL) return false; mod_power_get_backlight_pwm(mod_power, &user_backlight, inst); mod_power_get_hw_backlight_pwm(mod_power, link, ¤t_backlight); if (user_backlight != current_backlight) is_active = true; else is_active = false; DC_TRACE_LEVEL_MESSAGEP(DAL_TRACE_LEVEL_INFORMATION, WPP_BIT_FLAG_Backlight_ABM, ">get ABM active state: is_active=%u (user_backlight_pwm=%u, current_backlight_pwm=%u)", (unsigned int)is_active, user_backlight, current_backlight); return is_active; } static void fill_backlight_transform_table(struct dmcu_iram_parameters params, struct iram_table_v_2 *table) { unsigned int i; unsigned int num_entries = NUM_BL_CURVE_SEGS; unsigned int lut_index; table->backlight_thresholds[0] = 0; ASSERT(params.backlight_lut_array[0] <= 0xFFFF); table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; table->backlight_thresholds[num_entries-1] = 0xFFFF; ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); table->backlight_offsets[num_entries-1] = (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; /* Setup all brightness levels between 0% and 100% exclusive * Fills brightness-to-backlight transform table. Backlight custom curve * describes transform from brightness to backlight. It will be defined * as set of thresholds and set of offsets, together, implying * extrapolation of custom curve into 16 uniformly spanned linear * segments. Each threshold/offset represented by 16 bit entry in * format U4.10. */ for (i = 1; i+1 < num_entries; i++) { lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1); ASSERT(lut_index < params.backlight_lut_array_size); unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); unsigned int offset_val = params.backlight_lut_array[lut_index]; ASSERT(threshold_val <= 0xFFFF); ASSERT(offset_val <= 0xFFFF); table->backlight_thresholds[i] = cpu_to_be16((uint16_t)threshold_val); table->backlight_offsets[i] = cpu_to_be16((uint16_t)offset_val); } } static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params, struct iram_table_v_2_2 *table, bool big_endian) { unsigned int i; unsigned int num_entries = NUM_BL_CURVE_SEGS; unsigned int lut_index; table->backlight_thresholds[0] = 0; ASSERT(params.backlight_lut_array[0] <= 0xFFFF); table->backlight_offsets[0] = (uint16_t)params.backlight_lut_array[0]; table->backlight_thresholds[num_entries-1] = 0xFFFF; ASSERT(params.backlight_lut_array[params.backlight_lut_array_size - 1] <= 0xFFFF); table->backlight_offsets[num_entries-1] = (uint16_t)params.backlight_lut_array[params.backlight_lut_array_size - 1]; /* Setup all brightness levels between 0% and 100% exclusive * Fills brightness-to-backlight transform table. Backlight custom curve * describes transform from brightness to backlight. It will be defined * as set of thresholds and set of offsets, together, implying * extrapolation of custom curve into 16 uniformly spanned linear * segments. Each threshold/offset represented by 16 bit entry in * format U4.10. */ for (i = 1; i+1 < num_entries; i++) { lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries); ASSERT(lut_index < params.backlight_lut_array_size); unsigned int threshold_val = DIV_ROUNDUP((i * 65536), num_entries); unsigned int offset_val = params.backlight_lut_array[lut_index]; ASSERT(threshold_val <= 0xFFFF); ASSERT(offset_val <= 0xFFFF); table->backlight_thresholds[i] = (big_endian) ? cpu_to_be16((uint16_t)threshold_val) : cpu_to_le16((uint16_t)threshold_val); table->backlight_offsets[i] = (big_endian) ? cpu_to_be16((uint16_t)offset_val) : cpu_to_le16((uint16_t)offset_val); } } static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params) { unsigned int set = params.set; ram_table->min_abm_backlight = cpu_to_be16(params.min_abm_backlight); ram_table->deviation_gain = 0xb3; ram_table->blRampReduction = cpu_to_be16(params.backlight_ramping_reduction); ram_table->blRampStart = cpu_to_be16(params.backlight_ramping_start); ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]]; ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]]; ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]]; ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]]; ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]]; ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]]; ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]]; ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]]; ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]]; ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]]; ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]]; ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]]; ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]]; ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]]; ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]]; ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]]; ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]]; ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]]; ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]]; ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]]; ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]]; ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]]; ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]]; ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]]; ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]]; ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]]; ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]]; ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]]; ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]]; ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]]; ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]]; ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]]; ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]]; ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]]; ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]]; ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]]; ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]]; ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]]; ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]]; ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]]; ram_table->bright_pos_gain[0][0] = 0x20; ram_table->bright_pos_gain[0][1] = 0x20; ram_table->bright_pos_gain[0][2] = 0x20; ram_table->bright_pos_gain[0][3] = 0x20; ram_table->bright_pos_gain[1][0] = 0x20; ram_table->bright_pos_gain[1][1] = 0x20; ram_table->bright_pos_gain[1][2] = 0x20; ram_table->bright_pos_gain[1][3] = 0x20; ram_table->bright_pos_gain[2][0] = 0x20; ram_table->bright_pos_gain[2][1] = 0x20; ram_table->bright_pos_gain[2][2] = 0x20; ram_table->bright_pos_gain[2][3] = 0x20; ram_table->bright_pos_gain[3][0] = 0x20; ram_table->bright_pos_gain[3][1] = 0x20; ram_table->bright_pos_gain[3][2] = 0x20; ram_table->bright_pos_gain[3][3] = 0x20; ram_table->bright_pos_gain[4][0] = 0x20; ram_table->bright_pos_gain[4][1] = 0x20; ram_table->bright_pos_gain[4][2] = 0x20; ram_table->bright_pos_gain[4][3] = 0x20; ram_table->bright_neg_gain[0][0] = 0x00; ram_table->bright_neg_gain[0][1] = 0x00; ram_table->bright_neg_gain[0][2] = 0x00; ram_table->bright_neg_gain[0][3] = 0x00; ram_table->bright_neg_gain[1][0] = 0x00; ram_table->bright_neg_gain[1][1] = 0x00; ram_table->bright_neg_gain[1][2] = 0x00; ram_table->bright_neg_gain[1][3] = 0x00; ram_table->bright_neg_gain[2][0] = 0x00; ram_table->bright_neg_gain[2][1] = 0x00; ram_table->bright_neg_gain[2][2] = 0x00; ram_table->bright_neg_gain[2][3] = 0x00; ram_table->bright_neg_gain[3][0] = 0x00; ram_table->bright_neg_gain[3][1] = 0x00; ram_table->bright_neg_gain[3][2] = 0x00; ram_table->bright_neg_gain[3][3] = 0x00; ram_table->bright_neg_gain[4][0] = 0x00; ram_table->bright_neg_gain[4][1] = 0x00; ram_table->bright_neg_gain[4][2] = 0x00; ram_table->bright_neg_gain[4][3] = 0x00; ram_table->dark_pos_gain[0][0] = 0x00; ram_table->dark_pos_gain[0][1] = 0x00; ram_table->dark_pos_gain[0][2] = 0x00; ram_table->dark_pos_gain[0][3] = 0x00; ram_table->dark_pos_gain[1][0] = 0x00; ram_table->dark_pos_gain[1][1] = 0x00; ram_table->dark_pos_gain[1][2] = 0x00; ram_table->dark_pos_gain[1][3] = 0x00; ram_table->dark_pos_gain[2][0] = 0x00; ram_table->dark_pos_gain[2][1] = 0x00; ram_table->dark_pos_gain[2][2] = 0x00; ram_table->dark_pos_gain[2][3] = 0x00; ram_table->dark_pos_gain[3][0] = 0x00; ram_table->dark_pos_gain[3][1] = 0x00; ram_table->dark_pos_gain[3][2] = 0x00; ram_table->dark_pos_gain[3][3] = 0x00; ram_table->dark_pos_gain[4][0] = 0x00; ram_table->dark_pos_gain[4][1] = 0x00; ram_table->dark_pos_gain[4][2] = 0x00; ram_table->dark_pos_gain[4][3] = 0x00; ram_table->dark_neg_gain[0][0] = 0x00; ram_table->dark_neg_gain[0][1] = 0x00; ram_table->dark_neg_gain[0][2] = 0x00; ram_table->dark_neg_gain[0][3] = 0x00; ram_table->dark_neg_gain[1][0] = 0x00; ram_table->dark_neg_gain[1][1] = 0x00; ram_table->dark_neg_gain[1][2] = 0x00; ram_table->dark_neg_gain[1][3] = 0x00; ram_table->dark_neg_gain[2][0] = 0x00; ram_table->dark_neg_gain[2][1] = 0x00; ram_table->dark_neg_gain[2][2] = 0x00; ram_table->dark_neg_gain[2][3] = 0x00; ram_table->dark_neg_gain[3][0] = 0x00; ram_table->dark_neg_gain[3][1] = 0x00; ram_table->dark_neg_gain[3][2] = 0x00; ram_table->dark_neg_gain[3][3] = 0x00; ram_table->dark_neg_gain[4][0] = 0x00; ram_table->dark_neg_gain[4][1] = 0x00; ram_table->dark_neg_gain[4][2] = 0x00; ram_table->dark_neg_gain[4][3] = 0x00; ram_table->iir_curve[0] = 0x65; ram_table->iir_curve[1] = 0x65; ram_table->iir_curve[2] = 0x65; ram_table->iir_curve[3] = 0x65; ram_table->iir_curve[4] = 0x65; //Gamma 2.4 ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6); ram_table->crgb_thresh[1] = cpu_to_be16(0x1648); ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3); ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41); ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46); ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21); ram_table->crgb_thresh[6] = cpu_to_be16(0x2167); ram_table->crgb_thresh[7] = cpu_to_be16(0x2384); ram_table->crgb_offset[0] = cpu_to_be16(0x2999); ram_table->crgb_offset[1] = cpu_to_be16(0x3999); ram_table->crgb_offset[2] = cpu_to_be16(0x4666); ram_table->crgb_offset[3] = cpu_to_be16(0x5999); ram_table->crgb_offset[4] = cpu_to_be16(0x6333); ram_table->crgb_offset[5] = cpu_to_be16(0x7800); ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); ram_table->crgb_offset[7] = cpu_to_be16(0xa000); ram_table->crgb_slope[0] = cpu_to_be16(0x3147); ram_table->crgb_slope[1] = cpu_to_be16(0x2978); ram_table->crgb_slope[2] = cpu_to_be16(0x23a2); ram_table->crgb_slope[3] = cpu_to_be16(0x1f55); ram_table->crgb_slope[4] = cpu_to_be16(0x1c63); ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f); ram_table->crgb_slope[6] = cpu_to_be16(0x178d); ram_table->crgb_slope[7] = cpu_to_be16(0x15ab); fill_backlight_transform_table( params, ram_table); } static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params) { unsigned int set = params.set; ram_table->flags = 0x0; ram_table->min_abm_backlight = cpu_to_be16(params.min_abm_backlight); ram_table->deviation_gain[0] = 0xb3; ram_table->deviation_gain[1] = 0xa8; ram_table->deviation_gain[2] = 0x98; ram_table->deviation_gain[3] = 0x68; ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]]; ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]]; ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]]; ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]]; ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]]; ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]]; ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]]; ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]]; ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]]; ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]]; ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]]; ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]]; ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]]; ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]]; ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]]; ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]]; ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]]; ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]]; ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]]; ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]]; ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]]; ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]]; ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]]; ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]]; ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]]; ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]]; ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]]; ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]]; ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]]; ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]]; ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]]; ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]]; ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]]; ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]]; ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]]; ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]]; ram_table->bright_pos_gain[0][0] = 0x20; ram_table->bright_pos_gain[0][1] = 0x20; ram_table->bright_pos_gain[0][2] = 0x20; ram_table->bright_pos_gain[0][3] = 0x20; ram_table->bright_pos_gain[1][0] = 0x20; ram_table->bright_pos_gain[1][1] = 0x20; ram_table->bright_pos_gain[1][2] = 0x20; ram_table->bright_pos_gain[1][3] = 0x20; ram_table->bright_pos_gain[2][0] = 0x20; ram_table->bright_pos_gain[2][1] = 0x20; ram_table->bright_pos_gain[2][2] = 0x20; ram_table->bright_pos_gain[2][3] = 0x20; ram_table->bright_pos_gain[3][0] = 0x20; ram_table->bright_pos_gain[3][1] = 0x20; ram_table->bright_pos_gain[3][2] = 0x20; ram_table->bright_pos_gain[3][3] = 0x20; ram_table->bright_pos_gain[4][0] = 0x20; ram_table->bright_pos_gain[4][1] = 0x20; ram_table->bright_pos_gain[4][2] = 0x20; ram_table->bright_pos_gain[4][3] = 0x20; ram_table->dark_pos_gain[0][0] = 0x00; ram_table->dark_pos_gain[0][1] = 0x00; ram_table->dark_pos_gain[0][2] = 0x00; ram_table->dark_pos_gain[0][3] = 0x00; ram_table->dark_pos_gain[1][0] = 0x00; ram_table->dark_pos_gain[1][1] = 0x00; ram_table->dark_pos_gain[1][2] = 0x00; ram_table->dark_pos_gain[1][3] = 0x00; ram_table->dark_pos_gain[2][0] = 0x00; ram_table->dark_pos_gain[2][1] = 0x00; ram_table->dark_pos_gain[2][2] = 0x00; ram_table->dark_pos_gain[2][3] = 0x00; ram_table->dark_pos_gain[3][0] = 0x00; ram_table->dark_pos_gain[3][1] = 0x00; ram_table->dark_pos_gain[3][2] = 0x00; ram_table->dark_pos_gain[3][3] = 0x00; ram_table->dark_pos_gain[4][0] = 0x00; ram_table->dark_pos_gain[4][1] = 0x00; ram_table->dark_pos_gain[4][2] = 0x00; ram_table->dark_pos_gain[4][3] = 0x00; ram_table->hybrid_factor[0] = 0xff; ram_table->hybrid_factor[1] = 0xff; ram_table->hybrid_factor[2] = 0xff; ram_table->hybrid_factor[3] = 0xc0; ram_table->contrast_factor[0] = 0x99; ram_table->contrast_factor[1] = 0x99; ram_table->contrast_factor[2] = 0x90; ram_table->contrast_factor[3] = 0x80; ram_table->iir_curve[0] = 0x65; ram_table->iir_curve[1] = 0x65; ram_table->iir_curve[2] = 0x65; ram_table->iir_curve[3] = 0x65; ram_table->iir_curve[4] = 0x65; //Gamma 2.2 ram_table->crgb_thresh[0] = cpu_to_be16(0x127c); ram_table->crgb_thresh[1] = cpu_to_be16(0x151b); ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5); ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56); ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83); ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72); ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0); ram_table->crgb_thresh[7] = cpu_to_be16(0x232b); ram_table->crgb_offset[0] = cpu_to_be16(0x2999); ram_table->crgb_offset[1] = cpu_to_be16(0x3999); ram_table->crgb_offset[2] = cpu_to_be16(0x4666); ram_table->crgb_offset[3] = cpu_to_be16(0x5999); ram_table->crgb_offset[4] = cpu_to_be16(0x6333); ram_table->crgb_offset[5] = cpu_to_be16(0x7800); ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); ram_table->crgb_offset[7] = cpu_to_be16(0xa000); ram_table->crgb_slope[0] = cpu_to_be16(0x3609); ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa); ram_table->crgb_slope[2] = cpu_to_be16(0x27ea); ram_table->crgb_slope[3] = cpu_to_be16(0x235d); ram_table->crgb_slope[4] = cpu_to_be16(0x2042); ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3); ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a); ram_table->crgb_slope[7] = cpu_to_be16(0x1910); fill_backlight_transform_table_v_2_2( params, ram_table, true); } static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian) { unsigned int i, j; unsigned int set = params.set; ram_table->flags = 0x0; ram_table->min_abm_backlight = (uint16_t)((big_endian) ? cpu_to_be16(params.min_abm_backlight) : cpu_to_le16(params.min_abm_backlight)); for (i = 0; i < NUM_AGGR_LEVEL; i++) { ram_table->hybrid_factor[i] = (uint8_t)abm_settings[set][i].brightness_gain; ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain; ram_table->min_knee[i] = abm_settings[set][i].min_knee; ram_table->max_knee[i] = abm_settings[set][i].max_knee; for (j = 0; j < NUM_AMBI_LEVEL; j++) { ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction; ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction; ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain; ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain; } } ram_table->iir_curve[0] = 0x65; ram_table->iir_curve[1] = 0x65; ram_table->iir_curve[2] = 0x65; ram_table->iir_curve[3] = 0x65; ram_table->iir_curve[4] = 0x65; //Gamma 2.2 ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c); ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b); ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5); ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56); ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83); ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72); ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0); ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b); ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999); ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999); ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666); ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999); ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333); ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800); ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00); ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000); ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609); ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa); ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea); ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d); ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042); ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3); ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a); ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910); fill_backlight_transform_table_v_2_2( params, ram_table, big_endian); } bool dmub_init_abm_config(struct resource_pool *res_pool, struct dmcu_iram_parameters params, unsigned int inst) { struct iram_table_v_2_2 ram_table; struct abm_config_table config; unsigned int set = params.set; bool result = false; uint32_t i, j = 0; if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) return false; memset(&ram_table, 0, sizeof(ram_table)); memset(&config, 0, sizeof(config)); fill_iram_v_2_3(&ram_table, params, false); // We must copy to structure that is aligned to 32-bit for (i = 0; i < NUM_POWER_FN_SEGS; i++) { config.crgb_thresh[i] = ram_table.crgb_thresh[i]; config.crgb_offset[i] = ram_table.crgb_offset[i]; config.crgb_slope[i] = ram_table.crgb_slope[i]; } for (i = 0; i < NUM_BL_CURVE_SEGS; i++) { config.backlight_thresholds[i] = ram_table.backlight_thresholds[i]; config.backlight_offsets[i] = ram_table.backlight_offsets[i]; } for (i = 0; i < NUM_AMBI_LEVEL; i++) config.iir_curve[i] = ram_table.iir_curve[i]; for (i = 0; i < NUM_AMBI_LEVEL; i++) { for (j = 0; j < NUM_AGGR_LEVEL; j++) { config.min_reduction[i][j] = ram_table.min_reduction[i][j]; config.max_reduction[i][j] = ram_table.max_reduction[i][j]; config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j]; config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j]; } } for (i = 0; i < NUM_AGGR_LEVEL; i++) { config.hybrid_factor[i] = ram_table.hybrid_factor[i]; config.contrast_factor[i] = ram_table.contrast_factor[i]; config.deviation_gain[i] = ram_table.deviation_gain[i]; config.min_knee[i] = ram_table.min_knee[i]; config.max_knee[i] = ram_table.max_knee[i]; } if (params.backlight_ramping_override) { ASSERT(params.backlight_ramping_reduction <= 0xFFFF); ASSERT(params.backlight_ramping_start <= 0xFFFF); for (i = 0; i < NUM_AGGR_LEVEL; i++) { config.blRampReduction[i] = (uint16_t)params.backlight_ramping_reduction; config.blRampStart[i] = (uint16_t)params.backlight_ramping_start; } } else { for (i = 0; i < NUM_AGGR_LEVEL; i++) { config.blRampReduction[i] = abm_settings[set][i].blRampReduction; config.blRampStart[i] = abm_settings[set][i].blRampStart; } } config.min_abm_backlight = ram_table.min_abm_backlight; if (res_pool->multiple_abms[inst]) { result = res_pool->multiple_abms[inst]->funcs->init_abm_config( res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); } else result = res_pool->abm->funcs->init_abm_config( res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); return result; } bool dmcu_load_iram(struct dmcu *dmcu, struct dmcu_iram_parameters params) { unsigned char ram_table[IRAM_SIZE]; bool result = false; if (dmcu == NULL) return false; if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu)) return true; memset(&ram_table, 0, sizeof(ram_table)); if (dmcu->dmcu_version.abm_version == 0x24) { fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); } else if (dmcu->dmcu_version.abm_version == 0x23) { fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); result = dmcu->funcs->load_iram( dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); } else if (dmcu->dmcu_version.abm_version == 0x22) { fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params); result = dmcu->funcs->load_iram( dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); } else { fill_iram_v_2((struct iram_table_v_2 *)ram_table, params); result = dmcu->funcs->load_iram( dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2); if (result) result = dmcu->funcs->load_iram( dmcu, IRAM_RESERVE_AREA_END_V2 + 1, (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1, sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1); } return result; } bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_backlight_caps *caps) { unsigned int data_points_size; uint64_t caps_size; if (config_no >= ARRAY_SIZE(custom_backlight_profiles)) return false; data_points_size = custom_backlight_profiles[config_no].num_data_points * sizeof(custom_backlight_profiles[config_no].data_points[0]); caps_size = sizeof(struct dm_acpi_atif_backlight_caps) - sizeof(caps->data_points) + data_points_size; ASSERT(caps_size <= 0xFFFF); caps->size = (uint16_t)caps_size; caps->flags = 0; caps->error_code = 0; caps->ac_level_percentage = custom_backlight_profiles[config_no].ac_level_percentage; caps->dc_level_percentage = custom_backlight_profiles[config_no].dc_level_percentage; caps->min_input_signal = custom_backlight_profiles[config_no].min_input_signal; caps->max_input_signal = custom_backlight_profiles[config_no].max_input_signal; caps->num_data_points = (uint8_t)custom_backlight_profiles[config_no].num_data_points; memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size); return true; }