1ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* 2ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * LP5562 LED driver 3ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * 4ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * Copyright (C) 2013 Texas Instruments 5ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * 6ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * Author: Milo(Woogyom) Kim <milo.kim@ti.com> 7ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * 8ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * This program is free software; you can redistribute it and/or modify 9ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * it under the terms of the GNU General Public License version 2 as 10ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * published by the Free Software Foundation. 11ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo */ 12ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 13ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/delay.h> 14ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/firmware.h> 15ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/i2c.h> 16ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/leds.h> 17ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/module.h> 18ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/mutex.h> 19c68f46dd6aec29b4db9eb85d014981bbdd686428Sachin Kamat#include <linux/of.h> 20ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/platform_data/leds-lp55xx.h> 21ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include <linux/slab.h> 22ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 23ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#include "leds-lp55xx-common.h" 24ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 25ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_PROGRAM_LENGTH 32 26ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_MAX_LEDS 4 27ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 28ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* ENABLE Register 00h */ 29ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_ENABLE 0x00 30ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_EXEC_ENG1_M 0x30 31ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_EXEC_ENG2_M 0x0C 32ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_EXEC_ENG3_M 0x03 33ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_EXEC_M 0x3F 34ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_MASTER_ENABLE 0x40 /* Chip master enable */ 35ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */ 36ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_EXEC_RUN 0x2A 37ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENABLE_DEFAULT \ 38ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo (LP5562_MASTER_ENABLE | LP5562_LOGARITHMIC_PWM) 39ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENABLE_RUN_PROGRAM \ 40ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo (LP5562_ENABLE_DEFAULT | LP5562_EXEC_RUN) 41ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 42ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* OPMODE Register 01h */ 43ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_OP_MODE 0x01 44ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_MODE_ENG1_M 0x30 45ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_MODE_ENG2_M 0x0C 46ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_MODE_ENG3_M 0x03 47ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_LOAD_ENG1 0x10 48ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_LOAD_ENG2 0x04 49ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_LOAD_ENG3 0x01 50ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_RUN_ENG1 0x20 51ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_RUN_ENG2 0x08 52ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_RUN_ENG3 0x02 53ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG1_IS_LOADING(mode) \ 54ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ((mode & LP5562_MODE_ENG1_M) == LP5562_LOAD_ENG1) 55ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG2_IS_LOADING(mode) \ 56ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ((mode & LP5562_MODE_ENG2_M) == LP5562_LOAD_ENG2) 57ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG3_IS_LOADING(mode) \ 58ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ((mode & LP5562_MODE_ENG3_M) == LP5562_LOAD_ENG3) 59ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 60ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* BRIGHTNESS Registers */ 61ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_R_PWM 0x04 62ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_G_PWM 0x03 63ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_B_PWM 0x02 64ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_W_PWM 0x0E 65ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 66ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* CURRENT Registers */ 67ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_R_CURRENT 0x07 68ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_G_CURRENT 0x06 69ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_B_CURRENT 0x05 70ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_W_CURRENT 0x0F 71ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 72ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* CONFIG Register 08h */ 73ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_CONFIG 0x08 7481f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo#define LP5562_PWM_HF 0x40 7581f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo#define LP5562_PWRSAVE_EN 0x20 7681f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo#define LP5562_CLK_INT 0x01 /* Internal clock */ 7781f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo#define LP5562_DEFAULT_CFG (LP5562_PWM_HF | LP5562_PWRSAVE_EN) 78ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 79ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* RESET Register 0Dh */ 80ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_RESET 0x0D 81ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_RESET 0xFF 82ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 83ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* PROGRAM ENGINE Registers */ 84ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_PROG_MEM_ENG1 0x10 85ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_PROG_MEM_ENG2 0x30 86ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_PROG_MEM_ENG3 0x50 87ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 88ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* LEDMAP Register 70h */ 89ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_REG_ENG_SEL 0x70 90ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG_SEL_PWM 0 91ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG_FOR_RGB_M 0x3F 92ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG_SEL_RGB 0x1B /* R:ENG1, G:ENG2, B:ENG3 */ 93ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG_FOR_W_M 0xC0 94ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG1_FOR_W 0x40 /* W:ENG1 */ 95ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG2_FOR_W 0x80 /* W:ENG2 */ 96ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_ENG3_FOR_W 0xC0 /* W:ENG3 */ 97ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 98ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* Program Commands */ 99ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_CMD_DISABLE 0x00 100ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_CMD_LOAD 0x15 101ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_CMD_RUN 0x2A 102ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_CMD_DIRECT 0x3F 103ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo#define LP5562_PATTERN_OFF 0 104ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 105ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic inline void lp5562_wait_opmode_done(void) 106ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 107ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* operation mode change needs to be longer than 153 us */ 108ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo usleep_range(200, 300); 109ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 110ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 111ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic inline void lp5562_wait_enable_done(void) 112ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 113ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* it takes more 488 us to update ENABLE register */ 114ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo usleep_range(500, 600); 115ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 116ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 117ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_set_led_current(struct lp55xx_led *led, u8 led_current) 118ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 119ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 addr[] = { 120ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_R_CURRENT, 121ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_G_CURRENT, 122ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_B_CURRENT, 123ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_W_CURRENT, 124ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }; 125ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 126ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo led->led_current = led_current; 127ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(led->chip, addr[led->chan_nr], led_current); 128ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 129ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 130ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_load_engine(struct lp55xx_chip *chip) 131ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 132ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo enum lp55xx_engine_index idx = chip->engine_idx; 133ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 mask[] = { 134ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_1] = LP5562_MODE_ENG1_M, 135ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_2] = LP5562_MODE_ENG2_M, 136ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_3] = LP5562_MODE_ENG3_M, 137ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }; 138ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 139ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 val[] = { 140ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_1] = LP5562_LOAD_ENG1, 141ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_2] = LP5562_LOAD_ENG2, 142ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_3] = LP5562_LOAD_ENG3, 143ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }; 144ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 145ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_update_bits(chip, LP5562_REG_OP_MODE, mask[idx], val[idx]); 146ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 147ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_opmode_done(); 148ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 149ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 150ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_stop_engine(struct lp55xx_chip *chip) 151ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 152ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_OP_MODE, LP5562_CMD_DISABLE); 153ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_opmode_done(); 154ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 155ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 156ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_run_engine(struct lp55xx_chip *chip, bool start) 157ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 158ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int ret; 159ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 mode; 160ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 exec; 161ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 162ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* stop engine */ 163ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (!start) { 164ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_ENABLE, LP5562_ENABLE_DEFAULT); 165ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_enable_done(); 166ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_stop_engine(chip); 167ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_ENG_SEL, LP5562_ENG_SEL_PWM); 168ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_OP_MODE, LP5562_CMD_DIRECT); 169ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_opmode_done(); 170ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return; 171ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 172ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 173ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* 174ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * To run the engine, 175ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * operation mode and enable register should updated at the same time 176ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo */ 177ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 178ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_read(chip, LP5562_REG_OP_MODE, &mode); 179ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 180ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return; 181ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 182ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_read(chip, LP5562_REG_ENABLE, &exec); 183ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 184ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return; 185ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 186ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* change operation mode to RUN only when each engine is loading */ 187ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (LP5562_ENG1_IS_LOADING(mode)) { 188ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mode = (mode & ~LP5562_MODE_ENG1_M) | LP5562_RUN_ENG1; 189ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo exec = (exec & ~LP5562_EXEC_ENG1_M) | LP5562_RUN_ENG1; 190ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 191ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 192ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (LP5562_ENG2_IS_LOADING(mode)) { 193ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mode = (mode & ~LP5562_MODE_ENG2_M) | LP5562_RUN_ENG2; 194ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo exec = (exec & ~LP5562_EXEC_ENG2_M) | LP5562_RUN_ENG2; 195ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 196ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 197ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (LP5562_ENG3_IS_LOADING(mode)) { 198ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mode = (mode & ~LP5562_MODE_ENG3_M) | LP5562_RUN_ENG3; 199ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo exec = (exec & ~LP5562_EXEC_ENG3_M) | LP5562_RUN_ENG3; 200ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 201ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 202ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_OP_MODE, mode); 203ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_opmode_done(); 204ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 205ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_update_bits(chip, LP5562_REG_ENABLE, LP5562_EXEC_M, exec); 206ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_enable_done(); 207ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 208ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 209ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic int lp5562_update_firmware(struct lp55xx_chip *chip, 210ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo const u8 *data, size_t size) 211ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 212ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo enum lp55xx_engine_index idx = chip->engine_idx; 213ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 pattern[LP5562_PROGRAM_LENGTH] = {0}; 214ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 addr[] = { 215ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_1] = LP5562_REG_PROG_MEM_ENG1, 216ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_2] = LP5562_REG_PROG_MEM_ENG2, 217ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo [LP55XX_ENGINE_3] = LP5562_REG_PROG_MEM_ENG3, 218ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }; 219ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo unsigned cmd; 220ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo char c[3]; 221ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int program_size; 222ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int nrchars; 223ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int offset = 0; 224ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int ret; 225ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int i; 226ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 227ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* clear program memory before updating */ 228ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo for (i = 0; i < LP5562_PROGRAM_LENGTH; i++) 229ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, addr[idx] + i, 0); 230ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 231ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo i = 0; 232ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo while ((offset < size - 1) && (i < LP5562_PROGRAM_LENGTH)) { 233ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* separate sscanfs because length is working only for %s */ 234ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = sscanf(data + offset, "%2s%n ", c, &nrchars); 235ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret != 1) 236ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err; 237ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 238ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = sscanf(c, "%2x", &cmd); 239ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret != 1) 240ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err; 241ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 242ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo pattern[i] = (u8)cmd; 243ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo offset += nrchars; 244ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo i++; 245ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 246ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 247ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Each instruction is 16bit long. Check that length is even */ 248ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (i % 2) 249ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err; 250ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 251ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo program_size = i; 252ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo for (i = 0; i < program_size; i++) 253ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, addr[idx] + i, pattern[i]); 254ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 255ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 256ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 257ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Miloerr: 258ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo dev_err(&chip->cl->dev, "wrong pattern format\n"); 259ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -EINVAL; 260ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 261ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 262ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_firmware_loaded(struct lp55xx_chip *chip) 263ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 264ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo const struct firmware *fw = chip->fw; 265ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 266ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (fw->size > LP5562_PROGRAM_LENGTH) { 267ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n", 268ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo fw->size); 269ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return; 270ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 271ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 272ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* 273ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * Program momery sequence 274ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * 1) set engine mode to "LOAD" 275ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * 2) write firmware data into program memory 276ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo */ 277ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 278ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_load_engine(chip); 279ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_update_firmware(chip, fw->data, fw->size); 280ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 281ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 282ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic int lp5562_post_init_device(struct lp55xx_chip *chip) 283ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 284ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int ret; 28581f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo u8 cfg = LP5562_DEFAULT_CFG; 286ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 287ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Set all PWMs to direct control mode */ 288ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_write(chip, LP5562_REG_OP_MODE, LP5562_CMD_DIRECT); 289ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 290ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return ret; 291ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 292ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_wait_opmode_done(); 293ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 29481f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo /* Update configuration for the clock setting */ 29581f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo if (!lp55xx_is_extclk_used(chip)) 29681f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo cfg |= LP5562_CLK_INT; 29781f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo 29881f2a5b4a0570a662efd629c176fc1d67e56f7e3Kim, Milo ret = lp55xx_write(chip, LP5562_REG_CONFIG, cfg); 299ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 300ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return ret; 301ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 302ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Initialize all channels PWM to zero -> leds off */ 303ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_R_PWM, 0); 304ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_G_PWM, 0); 305ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_B_PWM, 0); 306ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_W_PWM, 0); 307ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 308ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Set LED map as register PWM by default */ 309ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_ENG_SEL, LP5562_ENG_SEL_PWM); 310ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 311ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 312ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 313ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 314ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_led_brightness_work(struct work_struct *work) 315ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 316ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_led *led = container_of(work, struct lp55xx_led, 317ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo brightness_work); 318ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_chip *chip = led->chip; 319ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 addr[] = { 320ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_R_PWM, 321ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_G_PWM, 322ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_B_PWM, 323ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo LP5562_REG_W_PWM, 324ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }; 325ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 326ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_lock(&chip->lock); 327ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, addr[led->chan_nr], led->brightness); 328ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_unlock(&chip->lock); 329ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 330ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 331ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic void lp5562_write_program_memory(struct lp55xx_chip *chip, 332ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 base, const u8 *rgb, int size) 333ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 334ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int i; 335ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 336ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (!rgb || size <= 0) 337ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return; 338ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 339ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo for (i = 0; i < size; i++) 340ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, base + i, *(rgb + i)); 341ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 342ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, base + i, 0); 343ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, base + i + 1, 0); 344ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 345ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 346ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* check the size of program count */ 347ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic inline bool _is_pc_overflow(struct lp55xx_predef_pattern *ptn) 348ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 349432eb69dd845d239213e714ae2b9efec3dcdf230Jingoo Han return ptn->size_r >= LP5562_PROGRAM_LENGTH || 350432eb69dd845d239213e714ae2b9efec3dcdf230Jingoo Han ptn->size_g >= LP5562_PROGRAM_LENGTH || 351432eb69dd845d239213e714ae2b9efec3dcdf230Jingoo Han ptn->size_b >= LP5562_PROGRAM_LENGTH; 352ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 353ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 354ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic int lp5562_run_predef_led_pattern(struct lp55xx_chip *chip, int mode) 355ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 356ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_predef_pattern *ptn; 357ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int i; 358ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 359ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (mode == LP5562_PATTERN_OFF) { 360ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_run_engine(chip, false); 361ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 362ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 363ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 364ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ptn = chip->pdata->patterns + (mode - 1); 365ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (!ptn || _is_pc_overflow(ptn)) { 366ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo dev_err(&chip->cl->dev, "invalid pattern data\n"); 367ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -EINVAL; 368ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 369ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 370ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_stop_engine(chip); 371ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 372ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Set LED map as RGB */ 373ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_ENG_SEL, LP5562_ENG_SEL_RGB); 374ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 375ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Load engines */ 376ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo for (i = LP55XX_ENGINE_1; i <= LP55XX_ENGINE_3; i++) { 377ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo chip->engine_idx = i; 378ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_load_engine(chip); 379ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 380ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 381ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Clear program registers */ 382ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG1, 0); 383ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG1 + 1, 0); 384ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG2, 0); 385ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG2 + 1, 0); 386ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG3, 0); 387ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_write(chip, LP5562_REG_PROG_MEM_ENG3 + 1, 0); 388ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 389ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Program engines */ 390ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_write_program_memory(chip, LP5562_REG_PROG_MEM_ENG1, 391ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ptn->r, ptn->size_r); 392ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_write_program_memory(chip, LP5562_REG_PROG_MEM_ENG2, 393ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ptn->g, ptn->size_g); 394ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_write_program_memory(chip, LP5562_REG_PROG_MEM_ENG3, 395ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ptn->b, ptn->size_b); 396ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 397ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* Run engines */ 398ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_run_engine(chip, true); 399ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 400ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 401ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 402ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 403ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic ssize_t lp5562_store_pattern(struct device *dev, 404ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct device_attribute *attr, 405ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo const char *buf, size_t len) 406ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 407ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev)); 408ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_chip *chip = led->chip; 409ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_predef_pattern *ptn = chip->pdata->patterns; 410ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int num_patterns = chip->pdata->num_patterns; 411ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo unsigned long mode; 412ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int ret; 413ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 414ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = kstrtoul(buf, 0, &mode); 415ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 416ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return ret; 417ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 418ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (mode > num_patterns || !ptn) 419ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -EINVAL; 420ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 421ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_lock(&chip->lock); 422ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp5562_run_predef_led_pattern(chip, mode); 423ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_unlock(&chip->lock); 424ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 425ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 426ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return ret; 427ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 428ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return len; 429ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 430ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 431ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic ssize_t lp5562_store_engine_mux(struct device *dev, 432ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct device_attribute *attr, 433ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo const char *buf, size_t len) 434ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 435ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev)); 436ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_chip *chip = led->chip; 437ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 mask; 438ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo u8 val; 439ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 440ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo /* LED map 441ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * R ... Engine 1 (fixed) 442ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * G ... Engine 2 (fixed) 443ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * B ... Engine 3 (fixed) 444ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo * W ... Engine 1 or 2 or 3 445ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo */ 446ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 447ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (sysfs_streq(buf, "RGB")) { 448ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mask = LP5562_ENG_FOR_RGB_M; 449ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo val = LP5562_ENG_SEL_RGB; 450ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } else if (sysfs_streq(buf, "W")) { 451ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo enum lp55xx_engine_index idx = chip->engine_idx; 452ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 453ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mask = LP5562_ENG_FOR_W_M; 454ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo switch (idx) { 455ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo case LP55XX_ENGINE_1: 456ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo val = LP5562_ENG1_FOR_W; 457ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo break; 458ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo case LP55XX_ENGINE_2: 459ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo val = LP5562_ENG2_FOR_W; 460ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo break; 461ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo case LP55XX_ENGINE_3: 462ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo val = LP5562_ENG3_FOR_W; 463ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo break; 464ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo default: 465ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -EINVAL; 466ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 467ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 468ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } else { 469ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo dev_err(dev, "choose RGB or W\n"); 470ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -EINVAL; 471ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 472ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 473ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_lock(&chip->lock); 474ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_update_bits(chip, LP5562_REG_ENG_SEL, mask, val); 475ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_unlock(&chip->lock); 476ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 477ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return len; 478ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 479ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 480daa124b1fe992f27f96d89cde5923bb929e28c1cMilo Kimstatic LP55XX_DEV_ATTR_WO(led_pattern, lp5562_store_pattern); 481daa124b1fe992f27f96d89cde5923bb929e28c1cMilo Kimstatic LP55XX_DEV_ATTR_WO(engine_mux, lp5562_store_engine_mux); 482ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 483ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic struct attribute *lp5562_attributes[] = { 484ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo &dev_attr_led_pattern.attr, 485ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo &dev_attr_engine_mux.attr, 486ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo NULL, 487ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo}; 488ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 489ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic const struct attribute_group lp5562_group = { 490ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .attrs = lp5562_attributes, 491ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo}; 492ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 493ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo/* Chip specific configurations */ 494ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic struct lp55xx_device_config lp5562_cfg = { 495ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .max_channel = LP5562_MAX_LEDS, 496ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .reset = { 497ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .addr = LP5562_REG_RESET, 498ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .val = LP5562_RESET, 499ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }, 500ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .enable = { 501ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .addr = LP5562_REG_ENABLE, 502ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .val = LP5562_ENABLE_DEFAULT, 503ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }, 504ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .post_init_device = lp5562_post_init_device, 505ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .set_led_current = lp5562_set_led_current, 506ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .brightness_work_fn = lp5562_led_brightness_work, 507ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .run_engine = lp5562_run_engine, 508ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .firmware_cb = lp5562_firmware_loaded, 509ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .dev_attr_group = &lp5562_group, 510ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo}; 511ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 512ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic int lp5562_probe(struct i2c_client *client, 513ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo const struct i2c_device_id *id) 514ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 515ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo int ret; 516ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_chip *chip; 517ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_led *led; 518e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo struct lp55xx_platform_data *pdata; 519e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo struct device_node *np = client->dev.of_node; 520e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo 52187aae1ea82f93f0f00cb955044ea1db3501cf233Jingoo Han if (!dev_get_platdata(&client->dev)) { 522e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo if (np) { 523e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo ret = lp55xx_of_populate_pdata(&client->dev, np); 524e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo if (ret < 0) 525e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo return ret; 526e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo } else { 527e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo dev_err(&client->dev, "no platform data\n"); 528e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo return -EINVAL; 529e015050cc5ea01e4beba3862dcafef9360c77522Kim, Milo } 530ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 53187aae1ea82f93f0f00cb955044ea1db3501cf233Jingoo Han pdata = dev_get_platdata(&client->dev); 532ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 533ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); 534ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (!chip) 535ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -ENOMEM; 536ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 537ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo led = devm_kzalloc(&client->dev, 538ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo sizeof(*led) * pdata->num_channels, GFP_KERNEL); 539ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (!led) 540ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return -ENOMEM; 541ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 542ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo chip->cl = client; 543ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo chip->pdata = pdata; 544ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo chip->cfg = &lp5562_cfg; 545ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 546ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo mutex_init(&chip->lock); 547ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 548ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo i2c_set_clientdata(client, led); 549ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 550ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_init_device(chip); 551ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 552ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err_init; 553ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 554ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_register_leds(led, chip); 555ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) 556ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err_register_leds; 557ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 558ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo ret = lp55xx_register_sysfs(chip); 559ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo if (ret) { 560ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo dev_err(&client->dev, "registering sysfs failed\n"); 561ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo goto err_register_sysfs; 562ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo } 563ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 564ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 565ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 566ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Miloerr_register_sysfs: 567ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_unregister_leds(led, chip); 568ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Miloerr_register_leds: 569ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_deinit_device(chip); 570ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Miloerr_init: 571ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return ret; 572ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 573ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 574ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic int lp5562_remove(struct i2c_client *client) 575ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo{ 576ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_led *led = i2c_get_clientdata(client); 577ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo struct lp55xx_chip *chip = led->chip; 578ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 579ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp5562_stop_engine(chip); 580ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 581ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_unregister_sysfs(chip); 582ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_unregister_leds(led, chip); 583ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo lp55xx_deinit_device(chip); 584ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 585ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo return 0; 586ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo} 587ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 588ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic const struct i2c_device_id lp5562_id[] = { 589ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo { "lp5562", 0 }, 590ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo { } 591ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo}; 592ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, MiloMODULE_DEVICE_TABLE(i2c, lp5562_id); 593ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 59428720cff9feeb705a39f54c196bc529fb33d1542Axel Lin#ifdef CONFIG_OF 59528720cff9feeb705a39f54c196bc529fb33d1542Axel Linstatic const struct of_device_id of_lp5562_leds_match[] = { 59628720cff9feeb705a39f54c196bc529fb33d1542Axel Lin { .compatible = "ti,lp5562", }, 59728720cff9feeb705a39f54c196bc529fb33d1542Axel Lin {}, 59828720cff9feeb705a39f54c196bc529fb33d1542Axel Lin}; 59928720cff9feeb705a39f54c196bc529fb33d1542Axel Lin 60028720cff9feeb705a39f54c196bc529fb33d1542Axel LinMODULE_DEVICE_TABLE(of, of_lp5562_leds_match); 60128720cff9feeb705a39f54c196bc529fb33d1542Axel Lin#endif 60228720cff9feeb705a39f54c196bc529fb33d1542Axel Lin 603ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milostatic struct i2c_driver lp5562_driver = { 604ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .driver = { 605ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .name = "lp5562", 60628720cff9feeb705a39f54c196bc529fb33d1542Axel Lin .of_match_table = of_match_ptr(of_lp5562_leds_match), 607ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo }, 608ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .probe = lp5562_probe, 609ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .remove = lp5562_remove, 610ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo .id_table = lp5562_id, 611ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo}; 612ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 613ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milomodule_i2c_driver(lp5562_driver); 614ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, Milo 615ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, MiloMODULE_DESCRIPTION("Texas Instruments LP5562 LED Driver"); 616ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, MiloMODULE_AUTHOR("Milo Kim"); 617ff45262a85dbf1bc74463c5dcea1d71a406d4d8eKim, MiloMODULE_LICENSE("GPL"); 618