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121 lines
2.4 KiB
121 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* LED driver for TI lp3952 controller |
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* |
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* Copyright (C) 2016, DAQRI, LLC. |
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* Author: Tony Makkiel <[email protected]> |
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*/ |
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#ifndef LEDS_LP3952_H_ |
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#define LEDS_LP3952_H_ |
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#define LP3952_NAME "lp3952" |
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#define LP3952_CMD_REG_COUNT 8 |
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#define LP3952_BRIGHT_MAX 4 |
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#define LP3952_LABEL_MAX_LEN 15 |
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#define LP3952_REG_LED_CTRL 0x00 |
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#define LP3952_REG_R1_BLNK_TIME_CTRL 0x01 |
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#define LP3952_REG_R1_BLNK_CYCLE_CTRL 0x02 |
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#define LP3952_REG_G1_BLNK_TIME_CTRL 0x03 |
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#define LP3952_REG_G1_BLNK_CYCLE_CTRL 0x04 |
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#define LP3952_REG_B1_BLNK_TIME_CTRL 0x05 |
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#define LP3952_REG_B1_BLNK_CYCLE_CTRL 0x06 |
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#define LP3952_REG_ENABLES 0x0B |
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#define LP3952_REG_PAT_GEN_CTRL 0x11 |
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#define LP3952_REG_RGB1_MAX_I_CTRL 0x12 |
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#define LP3952_REG_RGB2_MAX_I_CTRL 0x13 |
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#define LP3952_REG_CMD_0 0x50 |
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#define LP3952_REG_RESET 0x60 |
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#define REG_MAX LP3952_REG_RESET |
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#define LP3952_PATRN_LOOP BIT(1) |
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#define LP3952_PATRN_GEN_EN BIT(2) |
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#define LP3952_INT_B00ST_LDR BIT(2) |
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#define LP3952_ACTIVE_MODE BIT(6) |
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#define LP3952_LED_MASK_ALL 0x3f |
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/* Transition Time in ms */ |
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enum lp3952_tt { |
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TT0, |
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TT55, |
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TT110, |
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TT221, |
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TT422, |
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TT885, |
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TT1770, |
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TT3539 |
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}; |
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/* Command Execution Time in ms */ |
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enum lp3952_cet { |
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CET197, |
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CET393, |
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CET590, |
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CET786, |
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CET1180, |
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CET1376, |
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CET1573, |
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CET1769, |
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CET1966, |
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CET2163, |
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CET2359, |
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CET2556, |
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CET2763, |
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CET2949, |
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CET3146 |
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}; |
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/* Max Current in % */ |
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enum lp3952_colour_I_log_0 { |
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I0, |
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I7, |
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I14, |
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I21, |
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I32, |
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I46, |
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I71, |
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I100 |
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}; |
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enum lp3952_leds { |
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LP3952_BLUE_2, |
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LP3952_GREEN_2, |
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LP3952_RED_2, |
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LP3952_BLUE_1, |
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LP3952_GREEN_1, |
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LP3952_RED_1, |
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LP3952_LED_ALL |
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}; |
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struct lp3952_ctrl_hdl { |
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struct led_classdev cdev; |
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char name[LP3952_LABEL_MAX_LEN]; |
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enum lp3952_leds channel; |
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void *priv; |
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}; |
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struct ptrn_gen_cmd { |
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union { |
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struct { |
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u16 tt:3; |
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u16 b:3; |
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u16 cet:4; |
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u16 g:3; |
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u16 r:3; |
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}; |
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struct { |
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u8 lsb; |
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u8 msb; |
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} bytes; |
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}; |
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} __packed; |
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struct lp3952_led_array { |
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struct regmap *regmap; |
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struct i2c_client *client; |
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struct gpio_desc *enable_gpio; |
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struct lp3952_ctrl_hdl leds[LP3952_LED_ALL]; |
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}; |
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#endif /* LEDS_LP3952_H_ */
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