1072 lines
33 KiB
C
1072 lines
33 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/regmap.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/of.h>
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#include <linux/led-class-flash.h>
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#include <media/v4l2-flash-led-class.h>
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#include <linux/mfd/mt6360-private.h>
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enum {
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MT6360_LED_ISINK1 = 0,
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MT6360_LED_ISINK2,
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MT6360_LED_ISINK3,
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MT6360_LED_ISINK4,
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MT6360_LED_MAX,
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};
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enum {
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MT6360_LEDMODE_PWM = 0,
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MT6360_LEDMODE_BREATH,
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MT6360_LEDMODE_CC,
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MT6360_LEDMODE_MAX,
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};
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enum {
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MT6360_FLED_CH1 = 0,
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MT6360_FLED_CH2,
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MT6360_FLED_MAX,
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};
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/* ILED setting/reg */
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#define MT6360_SINKCUR_MAX1 (0x0d)
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#define MT6360_SINKCUR_MAX2 (0x0d)
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#define MT6360_SINKCUR_MAX3 (0x0d)
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#define MT6360_SINKCUR_MAX4 (0x1f)
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#define MT6360_CURRSEL_REG1 (MT6360_PMU_RGB1_ISNK)
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#define MT6360_CURRSEL_REG2 (MT6360_PMU_RGB2_ISNK)
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#define MT6360_CURRSEL_REG3 (MT6360_PMU_RGB3_ISNK)
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#define MT6360_CURRSEL_REG4 (MT6360_PMU_RGB_ML_ISNK)
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#define MT6360_CURRSEL_MASK1 (0x0f)
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#define MT6360_CURRSEL_MASK2 (0x0f)
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#define MT6360_CURRSEL_MASK3 (0x0f)
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#define MT6360_CURRSEL_MASK4 (0x1f)
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#define MT6360_LEDMODE_REG1 (MT6360_PMU_RGB1_ISNK)
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#define MT6360_LEDMODE_REG2 (MT6360_PMU_RGB2_ISNK)
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#define MT6360_LEDMODE_REG3 (MT6360_PMU_RGB3_ISNK)
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#define MT6360_LEDMODE_REG4 (0)
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#define MT6360_LEDMODE_MASK1 (0xc0)
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#define MT6360_LEDMODE_MASK2 (0xc0)
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#define MT6360_LEDMODE_MASK3 (0xc0)
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#define MT6360_LEDMODE_MASK4 (0)
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#define MT6360_PWMDUTY_REG1 (MT6360_PMU_RGB1_DIM)
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#define MT6360_PWMDUTY_REG2 (MT6360_PMU_RGB2_DIM)
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#define MT6360_PWMDUTY_REG3 (MT6360_PMU_RGB3_DIM)
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#define MT6360_PWMDUTY_REG4 (0)
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#define MT6360_PWMDUTY_MASK1 (0xff)
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#define MT6360_PWMDUTY_MASK2 (0xff)
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#define MT6360_PWMDUTY_MASK3 (0xff)
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#define MT6360_PWMDUTY_MASK4 (0)
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#define MT6360_PWMFREQ_REG1 (MT6360_PMU_RGB12_Freq)
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#define MT6360_PWMFREQ_REG2 (MT6360_PMU_RGB12_Freq)
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#define MT6360_PWMFREQ_REG3 (MT6360_PMU_RGB34_Freq)
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#define MT6360_PWMFREQ_REG4 (0)
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#define MT6360_PWMFREQ_MASK1 (0xe0)
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#define MT6360_PWMFREQ_MASK2 (0x1c)
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#define MT6360_PWMFREQ_MASK3 (0xe0)
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#define MT6360_PWMFREQ_MASK4 (0)
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#define MT6360_BREATH_REGBASE1 (MT6360_PMU_RGB1_Tr)
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#define MT6360_BREATH_REGBASE2 (MT6360_PMU_RGB2_Tr)
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#define MT6360_BREATH_REGBASE3 (MT6360_PMU_RGB3_Tr)
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#define MT6360_BREATH_REGBASE4 (0)
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#define MT6360_LEDEN_MASK1 (0x80)
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#define MT6360_LEDEN_MASK2 (0x40)
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#define MT6360_LEDEN_MASK3 (0x20)
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#define MT6360_LEDEN_MASK4 (0x10)
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#define MT6360_LEDEN_REG (MT6360_PMU_RGB_EN)
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#define MT6360_LEDALLEN_MASK (0xf0)
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#define MT6360_CHRIND_MASK (0x08)
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/* pattern order -> toff, tr1, tr2, ton, tf1, tf2 */
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#define MT6360_BRPATTERN_NUM (6)
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#define MT6360_BREATHREG_NUM (3)
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/* FLED setting */
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#define MT6360_CSENABLE_REG1 (MT6360_PMU_FLED_EN)
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#define MT6360_CSENABLE_MASK1 (0x02)
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#define MT6360_CSENABLE_REG2 (MT6360_PMU_FLED_EN)
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#define MT6360_CSENABLE_MASK2 (0x01)
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#define MT6360_TORBRIGHT_MAX1 (0x1f)
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#define MT6360_TORBRIGHT_MAX2 (0x1f)
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#define MT6360_TORBRIGHT_REG1 (MT6360_PMU_FLED1_TOR_CTRL)
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#define MT6360_TORBRIGHT_MASK1 (0x1f)
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#define MT6360_STRBRIGHT_REG1 (MT6360_PMU_FLED1_STRB_CTRL2)
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#define MT6360_STRBRIGHT_MASK1 (0x7f)
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#define MT6360_TORBRIGHT_REG2 (MT6360_PMU_FLED2_TOR_CTRL)
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#define MT6360_TORBRIGHT_MASK2 (0x1f)
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#define MT6360_STRBRIGHT_REG2 (MT6360_PMU_FLED2_STRB_CTRL2)
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#define MT6360_STRBRIGHT_MASK2 (0x7f)
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#define MT6360_TORENABLE_REG1 (MT6360_PMU_FLED_EN)
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#define MT6360_TORENABLE_MASK1 (0x08)
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#define MT6360_TORENABLE_REG2 (MT6360_PMU_FLED_EN)
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#define MT6360_TORENABLE_MASK2 (0x08)
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#define MT6360_STRBENABLE_REG1 (MT6360_PMU_FLED_EN)
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#define MT6360_STRBENABLE_MASK1 (0x06)
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#define MT6360_STRBENABLE_REG2 (MT6360_PMU_FLED_EN)
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#define MT6360_STRBENABLE_MASK2 (0x04)
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#define MT6360_STRBTIMEOUT_REG (MT6360_PMU_FLED_STRB_CTRL)
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#define MT6360_STRBTIMEOUT_MASK (0x7f)
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#define MT6360_TORCHCUR_MIN (25000)
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#define MT6360_TORCHCUR_STEP (12500)
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#define MT6360_TORCHCUR_MAX (400000)
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#define MT6360_STROBECUR_MIN (50000)
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#define MT6360_STROBECUR_STEP (12500)
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#define MT6360_STROBECUR_MAX (1500000)
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#define MT6360_STRBTIMEOUT_MIN (64000)
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#define MT6360_STRBTIMEOUT_STEP (32000)
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#define MT6360_STRBTIMEOUT_MAX (2432000)
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#define MT6360_FLEDSUPPORT_FAULTS (LED_FAULT_UNDER_VOLTAGE |\
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LED_FAULT_SHORT_CIRCUIT |\
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LED_FAULT_INPUT_VOLTAGE |\
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LED_FAULT_TIMEOUT)
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struct mt6360_led_platform_data {
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u32 rgbon_sync;
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u32 fled1_ultraistrb;
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u32 fled2_ultraistrb;
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};
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struct breath_element_cfg {
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/* base, step in ms */
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unsigned int base;
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unsigned int step;
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unsigned int maxval;
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unsigned int reg_offset;
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unsigned int reg_mask;
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};
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struct mt6360_led_classdev {
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struct led_classdev cdev;
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int index;
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struct device_node *np;
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unsigned int currsel_reg;
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unsigned int currsel_mask;
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unsigned int enable_mask;
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unsigned int mode_reg;
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unsigned int mode_mask;
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unsigned int pwmduty_reg;
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unsigned int pwmduty_mask;
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unsigned int pwmfreq_reg;
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unsigned int pwmfreq_mask;
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unsigned int breath_regbase;
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};
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struct mt6360_fled_classdev {
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struct led_classdev_flash fl_cdev;
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int index;
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struct v4l2_flash *v4l2_flash;
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struct device_node *np;
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unsigned int cs_enable_reg;
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unsigned int cs_enable_mask;
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unsigned int torch_bright_reg;
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unsigned int torch_bright_mask;
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unsigned int torch_enable_reg;
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unsigned int torch_enable_mask;
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unsigned int strobe_bright_reg;
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unsigned int strobe_bright_mask;
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unsigned int strobe_enable_reg;
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unsigned int strobe_enable_mask;
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unsigned int strobe_external_reg;
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unsigned int strobe_external_mask;
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u32 faults;
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};
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struct mt6360_led_info {
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struct device *dev;
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struct mt6360_led_platform_data *pdata;
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struct regmap *regmap;
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struct mt6360_led_classdev mtled_cdev[MT6360_LED_MAX];
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struct mt6360_fled_classdev mtfled_cdev[MT6360_FLED_MAX];
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unsigned long fl_torch_flags;
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unsigned long fl_strobe_flags;
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};
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static const struct mt6360_led_platform_data def_platform_data = {
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.rgbon_sync = 0,
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.fled1_ultraistrb = 1,
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.fled2_ultraistrb = 1,
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};
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static int mt6360_led_brightness_set(struct led_classdev *cdev,
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enum led_brightness brightness)
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{
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struct mt6360_led_classdev *mtled_cdev =
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(struct mt6360_led_classdev *)cdev;
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struct mt6360_led_info *mli = dev_get_drvdata(cdev->dev->parent);
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int shift, sync_regval = 0, ret;
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dev_dbg(cdev->dev, "%s, bright %d\n", __func__, brightness);
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/* if isink1 user control, set chrind function to sw mode */
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if (mtled_cdev->index == MT6360_LED_ISINK1) {
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ret = regmap_update_bits(mli->regmap,
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MT6360_PMU_RGB_EN, MT6360_CHRIND_MASK, 0xff);
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if (ret < 0)
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dev_err(cdev->dev, "disable chrind func fail\n");
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}
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if (brightness == LED_OFF) {
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ret = regmap_update_bits(mli->regmap,
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MT6360_LEDEN_REG, mtled_cdev->enable_mask, 0);
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if (ret < 0)
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return ret;
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if (mtled_cdev->mode_reg == 0)
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goto out_bright_set;
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/* if off, force config to cc_mode */
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shift = ffs(mtled_cdev->mode_mask) - 1;
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ret = regmap_update_bits(mli->regmap, mtled_cdev->mode_reg,
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mtled_cdev->mode_mask, MT6360_LEDMODE_CC << shift);
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if (ret < 0)
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dev_err(cdev->dev, "config cc mode fail\n");
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goto out_bright_set;
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}
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shift = ffs(mtled_cdev->currsel_mask) - 1;
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brightness -= 1;
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ret = regmap_update_bits(mli->regmap, mtled_cdev->currsel_reg,
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mtled_cdev->currsel_mask, brightness << shift);
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if (ret < 0)
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return ret;
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if (mli->pdata->rgbon_sync) {
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ret = regmap_read(mli->regmap, MT6360_LEDEN_REG, &sync_regval);
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if (ret < 0)
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goto out_bright_set;
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ret = regmap_update_bits(mli->regmap,
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MT6360_LEDEN_REG, MT6360_LEDALLEN_MASK, 0);
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if (ret < 0)
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goto out_bright_set;
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sync_regval |= mtled_cdev->enable_mask;
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ret = regmap_update_bits(mli->regmap, MT6360_LEDEN_REG,
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MT6360_LEDALLEN_MASK, sync_regval);
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} else {
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ret = regmap_update_bits(mli->regmap, MT6360_LEDEN_REG,
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mtled_cdev->enable_mask, 0xff);
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}
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out_bright_set:
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return ret;
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}
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static enum led_brightness mt6360_led_brightness_get(struct led_classdev *cdev)
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{
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struct mt6360_led_classdev *mtled_cdev =
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(struct mt6360_led_classdev *)cdev;
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struct mt6360_led_info *mli = dev_get_drvdata(cdev->dev->parent);
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unsigned int regval = 0;
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int shift = ffs(mtled_cdev->currsel_mask) - 1, ret;
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ret = regmap_read(mli->regmap, MT6360_LEDEN_REG, ®val);
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if (ret < 0) {
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dev_err(cdev->dev, "%s: get enable fail\n", __func__);
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return LED_OFF;
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}
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if (!(regval & mtled_cdev->enable_mask))
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return LED_OFF;
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ret = regmap_read(mli->regmap, mtled_cdev->currsel_reg, ®val);
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if (ret < 0) {
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dev_err(cdev->dev, "%s: get isink fail\n", __func__);
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return LED_OFF;
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}
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regval &= mtled_cdev->currsel_mask;
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regval >>= shift;
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return (regval + 1);
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}
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static const unsigned int dim_freqs[] = {
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4, 8, 250, 500, 1000, 2000, 4000, 8000,
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};
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static int mt6360_led_blink_set(struct led_classdev *cdev,
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unsigned long *delay_on, unsigned long *delay_off)
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{
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struct mt6360_led_classdev *mtled_cdev =
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(struct mt6360_led_classdev *)cdev;
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struct mt6360_led_info *mli = dev_get_drvdata(cdev->dev->parent);
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int freq, duty, shift, sum, ret;
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if (mtled_cdev->mode_reg == 0)
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return -ENOTSUPP;
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if (*delay_on == 0 && *delay_off == 0)
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*delay_on = *delay_off = 500;
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sum = *delay_on + *delay_off;
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for (freq = 0; freq < ARRAY_SIZE(dim_freqs); freq++) {
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if (sum <= dim_freqs[freq])
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break;
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}
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if (freq == ARRAY_SIZE(dim_freqs)) {
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dev_err(cdev->dev, "exceed pwm frequency max\n");
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return -EINVAL;
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}
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/* invert */
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freq = ARRAY_SIZE(dim_freqs) - 1 - freq;
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dev_dbg(cdev->dev, "freq sel [%d]\n", freq);
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shift = ffs(mtled_cdev->pwmfreq_mask) - 1;
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ret = regmap_update_bits(mli->regmap, mtled_cdev->pwmfreq_reg,
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mtled_cdev->pwmfreq_mask, freq << shift);
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if (ret < 0) {
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dev_err(cdev->dev, "Failed to set pwmfreq\n");
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return ret;
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}
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duty = 255 * (*delay_on) / sum;
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shift = ffs(mtled_cdev->pwmduty_mask) - 1;
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ret = regmap_update_bits(mli->regmap, mtled_cdev->pwmduty_reg,
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mtled_cdev->pwmduty_mask, duty << shift);
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if (ret < 0) {
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dev_err(cdev->dev, "Failed to set pwmduty\n");
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return ret;
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}
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dev_dbg(cdev->dev, "final duty [%d]\n", duty);
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shift = ffs(mtled_cdev->mode_mask) - 1;
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ret = regmap_update_bits(mli->regmap, mtled_cdev->mode_reg,
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mtled_cdev->mode_mask, MT6360_LEDMODE_PWM << shift);
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return ret;
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}
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#define MT6360_LED_DESC(_id) { \
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.cdev = { \
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.name = "mt6360_isink" #_id, \
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.max_brightness = MT6360_SINKCUR_MAX##_id, \
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.brightness_set_blocking = mt6360_led_brightness_set, \
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.brightness_get = mt6360_led_brightness_get, \
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.blink_set = mt6360_led_blink_set, \
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}, \
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.index = MT6360_LED_ISINK##_id, \
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.currsel_reg = MT6360_CURRSEL_REG##_id, \
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.currsel_mask = MT6360_CURRSEL_MASK##_id, \
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.enable_mask = MT6360_LEDEN_MASK##_id, \
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.mode_reg = MT6360_LEDMODE_REG##_id, \
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.mode_mask = MT6360_LEDMODE_MASK##_id, \
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.pwmduty_reg = MT6360_PWMDUTY_REG##_id, \
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.pwmduty_mask = MT6360_PWMDUTY_MASK##_id, \
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.pwmfreq_reg = MT6360_PWMFREQ_REG##_id, \
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.pwmfreq_mask = MT6360_PWMFREQ_MASK##_id, \
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.breath_regbase = MT6360_BREATH_REGBASE##_id, \
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}
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/* ISINK 1/2/3 for RGBLED, ISINK4 for MoonLight */
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static const struct mt6360_led_classdev def_led_classdev[MT6360_LED_MAX] = {
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MT6360_LED_DESC(1),
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MT6360_LED_DESC(2),
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MT6360_LED_DESC(3),
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MT6360_LED_DESC(4),
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};
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static inline bool mt6360_fled_check_flags_if_any(unsigned long *flags)
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{
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return (*flags) ? true : false;
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}
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static int mt6360_fled_strobe_brightness_set(
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struct led_classdev_flash *fled_cdev, u32 brightness)
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{
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struct led_classdev *led_cdev = &fled_cdev->led_cdev;
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struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
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struct led_flash_setting *fs = &fled_cdev->brightness;
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struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
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int id = mtfled_cdev->index, shift;
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u32 val;
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dev_dbg(led_cdev->dev,
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"%s: id[%d], brightness %u\n", __func__, id, brightness);
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val = brightness;
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val = (val - fs->min) / fs->step;
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shift = ffs(mtfled_cdev->strobe_bright_mask) - 1;
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return regmap_update_bits(mli->regmap, mtfled_cdev->strobe_bright_reg,
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mtfled_cdev->strobe_bright_mask, val << shift);
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}
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static int mt6360_fled_strobe_brightness_get(
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struct led_classdev_flash *fled_cdev, u32 *brightness)
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{
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struct led_classdev *led_cdev = &fled_cdev->led_cdev;
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struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
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struct led_flash_setting *fs = &fled_cdev->brightness;
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struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
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int id = mtfled_cdev->index, shift, ret;
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u32 regval = 0;
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dev_dbg(led_cdev->dev, "%s: id[%d]\n", __func__, id);
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ret = regmap_read(mli->regmap, mtfled_cdev->strobe_bright_reg, ®val);
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if (ret < 0)
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return ret;
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regval &= mtfled_cdev->strobe_bright_mask;
|
|
shift = ffs(mtfled_cdev->strobe_bright_mask) - 1;
|
|
regval >>= shift;
|
|
/* convert to microamp value */
|
|
*brightness = regval * fs->step + fs->min;
|
|
return 0;
|
|
}
|
|
|
|
static int mt6360_fled_strobe_set(
|
|
struct led_classdev_flash *fled_cdev, bool state)
|
|
{
|
|
struct led_classdev *led_cdev = &fled_cdev->led_cdev;
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
|
|
int id = mtfled_cdev->index, ret;
|
|
|
|
dev_dbg(led_cdev->dev, "%s: id[%d], state %d\n", __func__, id, state);
|
|
if (!(state ^ test_bit(id, &mli->fl_strobe_flags))) {
|
|
dev_dbg(led_cdev->dev,
|
|
"no change for strobe [%lu]\n", mli->fl_strobe_flags);
|
|
return 0;
|
|
}
|
|
if (mt6360_fled_check_flags_if_any(&mli->fl_torch_flags)) {
|
|
dev_err(led_cdev->dev,
|
|
"Disable all leds torch [%lu]\n", mli->fl_torch_flags);
|
|
return -EINVAL;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->cs_enable_reg,
|
|
mtfled_cdev->cs_enable_mask, state ? 0xff : 0);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev, "Fail to set cs enable [%d]\n", state);
|
|
goto out_strobe_set;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->strobe_enable_reg,
|
|
mtfled_cdev->strobe_enable_mask, state ? 0xff : 0);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev, "Fail to set strb enable [%d]\n", state);
|
|
goto out_strobe_set;
|
|
}
|
|
if (state) {
|
|
if (!mt6360_fled_check_flags_if_any(&mli->fl_strobe_flags))
|
|
usleep_range(5000, 6000);
|
|
set_bit(id, &mli->fl_strobe_flags);
|
|
mtfled_cdev->faults = 0;
|
|
} else {
|
|
clear_bit(id, &mli->fl_strobe_flags);
|
|
if (!mt6360_fled_check_flags_if_any(&mli->fl_strobe_flags))
|
|
usleep_range(400, 500);
|
|
}
|
|
out_strobe_set:
|
|
return ret;
|
|
}
|
|
|
|
static int mt6360_fled_strobe_get(
|
|
struct led_classdev_flash *fled_cdev, bool *state)
|
|
{
|
|
struct led_classdev *led_cdev = &fled_cdev->led_cdev;
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
|
|
int id = mtfled_cdev->index;
|
|
|
|
dev_dbg(led_cdev->dev, "%s: id[%d]\n", __func__, id);
|
|
*state = test_bit(id, &mli->fl_strobe_flags) ? true : false;
|
|
return 0;
|
|
}
|
|
|
|
static int mt6360_fled_strobe_timeout_set(
|
|
struct led_classdev_flash *fled_cdev, u32 timeout)
|
|
{
|
|
struct led_classdev *led_cdev = &fled_cdev->led_cdev;
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct led_flash_setting *ts = &fled_cdev->timeout;
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
|
|
int id = mtfled_cdev->index, shift, ret;
|
|
u32 regval;
|
|
|
|
dev_dbg(led_cdev->dev,
|
|
"%s: id[%d], timeout %u\n", __func__, id, timeout);
|
|
regval = (timeout - ts->min) / ts->step;
|
|
shift = ffs(MT6360_STRBTIMEOUT_MASK) - 1;
|
|
ret = regmap_update_bits(mli->regmap, MT6360_STRBTIMEOUT_REG,
|
|
MT6360_STRBTIMEOUT_MASK, regval << shift);
|
|
return ret;
|
|
}
|
|
|
|
static int mt6360_fled_strobe_fault_get(
|
|
struct led_classdev_flash *fled_cdev, u32 *fault)
|
|
{
|
|
struct led_classdev *led_cdev = &fled_cdev->led_cdev;
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)fled_cdev;
|
|
int id = mtfled_cdev->index;
|
|
|
|
dev_dbg(led_cdev->dev, "%s: id[%d]\n", __func__, id);
|
|
*fault = mtfled_cdev->faults;
|
|
return 0;
|
|
}
|
|
|
|
static const struct led_flash_ops mt6360_fled_ops = {
|
|
.flash_brightness_set = mt6360_fled_strobe_brightness_set,
|
|
.flash_brightness_get = mt6360_fled_strobe_brightness_get,
|
|
.strobe_set = mt6360_fled_strobe_set,
|
|
.strobe_get = mt6360_fled_strobe_get,
|
|
.timeout_set = mt6360_fled_strobe_timeout_set,
|
|
.fault_get = mt6360_fled_strobe_fault_get,
|
|
};
|
|
|
|
static int mt6360_fled_brightness_set(struct led_classdev *led_cdev,
|
|
enum led_brightness brightness)
|
|
{
|
|
struct led_classdev_flash *lcf = lcdev_to_flcdev(led_cdev);
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)lcf;
|
|
int id = mtfled_cdev->index, shift, keep, ret;
|
|
|
|
dev_dbg(led_cdev->dev,
|
|
"%s: id [%d], brightness %d\n", __func__, id, brightness);
|
|
if (mt6360_fled_check_flags_if_any(&mli->fl_strobe_flags)) {
|
|
dev_err(led_cdev->dev,
|
|
"Disable all leds strobe [%lu]\n", mli->fl_strobe_flags);
|
|
return -EINVAL;
|
|
}
|
|
if (brightness == LED_OFF) {
|
|
clear_bit(id, &mli->fl_torch_flags);
|
|
keep = mt6360_fled_check_flags_if_any(&mli->fl_torch_flags);
|
|
ret = regmap_update_bits(mli->regmap,
|
|
mtfled_cdev->torch_enable_reg,
|
|
mtfled_cdev->torch_enable_mask,
|
|
keep ? 0xff : 0);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev, "Fail to set torch disable\n");
|
|
goto out_bright_set;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap,
|
|
mtfled_cdev->cs_enable_reg,
|
|
mtfled_cdev->cs_enable_mask, 0);
|
|
if (ret < 0)
|
|
dev_err(led_cdev->dev, "Fail to set torch disable\n");
|
|
goto out_bright_set;
|
|
}
|
|
shift = ffs(mtfled_cdev->torch_bright_mask) - 1;
|
|
brightness -= 1;
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->torch_bright_reg,
|
|
mtfled_cdev->torch_bright_mask, brightness << shift);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev,
|
|
"Fail to set torch bright [%d]\n", brightness);
|
|
goto out_bright_set;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->cs_enable_reg,
|
|
mtfled_cdev->cs_enable_mask, 0xff);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev, "Fail to set cs enable\n");
|
|
goto out_bright_set;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->torch_enable_reg,
|
|
mtfled_cdev->torch_enable_mask, 0xff);
|
|
set_bit(id, &mli->fl_torch_flags);
|
|
out_bright_set:
|
|
return ret;
|
|
}
|
|
|
|
static enum led_brightness mt6360_fled_brightness_get(
|
|
struct led_classdev *led_cdev)
|
|
{
|
|
struct led_classdev_flash *lcf = lcdev_to_flcdev(led_cdev);
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)lcf;
|
|
int id = mtfled_cdev->index, shift, ret;
|
|
u32 regval = 0;
|
|
|
|
dev_dbg(led_cdev->dev, "%s: id [%d]\n", __func__, id);
|
|
if (!test_bit(id, &mli->fl_torch_flags))
|
|
return LED_OFF;
|
|
ret = regmap_read(mli->regmap, mtfled_cdev->torch_bright_reg, ®val);
|
|
if (ret < 0) {
|
|
dev_err(led_cdev->dev, "%s: Fail to get torb reg\n", __func__);
|
|
return LED_OFF;
|
|
}
|
|
shift = ffs(mtfled_cdev->torch_bright_mask) - 1;
|
|
regval &= mtfled_cdev->torch_bright_mask;
|
|
regval >>= shift;
|
|
return (regval + 1);
|
|
}
|
|
|
|
#define MT6360_FLED_DESC(_id) { \
|
|
.fl_cdev = { \
|
|
.led_cdev = { \
|
|
.name = "mt6360_fled_ch" #_id, \
|
|
.max_brightness = MT6360_TORBRIGHT_MAX##_id, \
|
|
.brightness_set_blocking = mt6360_fled_brightness_set, \
|
|
.brightness_get = mt6360_fled_brightness_get, \
|
|
.flags = LED_DEV_CAP_FLASH, \
|
|
}, \
|
|
.brightness = { \
|
|
.min = MT6360_STROBECUR_MIN, \
|
|
.step = MT6360_STROBECUR_STEP, \
|
|
.max = MT6360_STROBECUR_MAX, \
|
|
.val = MT6360_STROBECUR_MIN, \
|
|
}, \
|
|
.timeout = { \
|
|
.min = MT6360_STRBTIMEOUT_MIN, \
|
|
.step = MT6360_STRBTIMEOUT_STEP, \
|
|
.max = MT6360_STRBTIMEOUT_MAX, \
|
|
.val = MT6360_STRBTIMEOUT_MIN, \
|
|
}, \
|
|
.ops = &mt6360_fled_ops, \
|
|
}, \
|
|
.index = MT6360_FLED_CH##_id, \
|
|
.cs_enable_reg = MT6360_CSENABLE_REG##_id, \
|
|
.cs_enable_mask = MT6360_CSENABLE_MASK##_id, \
|
|
.torch_bright_reg = MT6360_TORBRIGHT_REG##_id, \
|
|
.torch_bright_mask = MT6360_TORBRIGHT_MASK##_id, \
|
|
.torch_enable_reg = MT6360_TORENABLE_REG##_id, \
|
|
.torch_enable_mask = MT6360_TORENABLE_MASK##_id, \
|
|
.strobe_bright_reg = MT6360_STRBRIGHT_REG##_id, \
|
|
.strobe_bright_mask = MT6360_STRBRIGHT_MASK##_id, \
|
|
.strobe_enable_reg = MT6360_STRBENABLE_REG##_id, \
|
|
.strobe_enable_mask = MT6360_STRBENABLE_MASK##_id, \
|
|
}
|
|
|
|
static const struct mt6360_fled_classdev def_fled_classdev[MT6360_FLED_MAX] = {
|
|
MT6360_FLED_DESC(1),
|
|
MT6360_FLED_DESC(2),
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_V4L2_FLASH_LED_CLASS)
|
|
static int mt6360_fled_external_strobe_set(
|
|
struct v4l2_flash *v4l2_flash, bool enable)
|
|
{
|
|
struct led_classdev_flash *lcf = v4l2_flash->fled_cdev;
|
|
struct led_classdev *led_cdev = &lcf->led_cdev;
|
|
struct mt6360_led_info *mli = dev_get_drvdata(led_cdev->dev->parent);
|
|
struct mt6360_fled_classdev *mtfled_cdev = (void *)lcf;
|
|
int id = mtfled_cdev->index, ret;
|
|
|
|
dev_dbg(led_cdev->dev, "%s: id[%d], %d\n", __func__, id, enable);
|
|
if (!(enable ^ test_bit(id, &mli->fl_strobe_flags))) {
|
|
dev_dbg(led_cdev->dev,
|
|
"no change for strobe [%lu]\n", mli->fl_strobe_flags);
|
|
return 0;
|
|
}
|
|
if (mt6360_fled_check_flags_if_any(&mli->fl_torch_flags)) {
|
|
dev_err(led_cdev->dev,
|
|
"Disable all leds torch [%lu]\n", mli->fl_torch_flags);
|
|
return -EINVAL;
|
|
}
|
|
ret = regmap_update_bits(mli->regmap, mtfled_cdev->cs_enable_reg,
|
|
mtfled_cdev->cs_enable_mask, enable ? 0xff : 0);
|
|
if (enable) {
|
|
set_bit(id, &mli->fl_strobe_flags);
|
|
mtfled_cdev->faults = 0;
|
|
} else
|
|
clear_bit(id, &mli->fl_strobe_flags);
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_flash_ops v4l2_flash_ops = {
|
|
.external_strobe_set = mt6360_fled_external_strobe_set,
|
|
};
|
|
|
|
static void mt6360_init_v4l2_flash_config(
|
|
struct mt6360_fled_classdev *mtfled_cdev,
|
|
struct v4l2_flash_config *config)
|
|
{
|
|
struct led_flash_setting *torch_intensity = &config->intensity;
|
|
struct led_classdev *led_cdev = &(mtfled_cdev->fl_cdev.led_cdev);
|
|
s32 val;
|
|
|
|
snprintf(config->dev_name, sizeof(config->dev_name),
|
|
"%s", mtfled_cdev->fl_cdev.led_cdev.name);
|
|
torch_intensity->min = MT6360_TORCHCUR_MIN;
|
|
torch_intensity->step = MT6360_TORCHCUR_STEP;
|
|
val = MT6360_TORCHCUR_MIN;
|
|
val += ((led_cdev->max_brightness - 1) * MT6360_TORCHCUR_STEP);
|
|
torch_intensity->val = torch_intensity->max = val;
|
|
config->flash_faults |= MT6360_FLEDSUPPORT_FAULTS;
|
|
config->has_external_strobe = 1;
|
|
}
|
|
#else
|
|
static const struct v4l2_flash_ops v4l2_flash_ops;
|
|
|
|
static void mt6360_init_v4l2_flash_config(
|
|
struct mt6360_fled_classdev *mtfled_cdev,
|
|
struct v4l2_flash_config *config)
|
|
{
|
|
}
|
|
#endif /* IS_ENABLED(CONFIG_V4L2_FLASH_LED_CLASS) */
|
|
|
|
static irqreturn_t mt6360_pmu_fled_lvf_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_err(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH1].faults |= LED_FAULT_UNDER_VOLTAGE;
|
|
mli->mtfled_cdev[MT6360_FLED_CH2].faults |= LED_FAULT_UNDER_VOLTAGE;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t mt6360_pmu_fled2_short_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_err(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH2].faults |= LED_FAULT_SHORT_CIRCUIT;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t mt6360_pmu_fled1_short_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_err(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH1].faults |= LED_FAULT_SHORT_CIRCUIT;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t mt6360_pmu_fled2_strb_to_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_dbg(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH2].faults |= LED_FAULT_TIMEOUT;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t mt6360_pmu_fled1_strb_to_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_dbg(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH1].faults |= LED_FAULT_TIMEOUT;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t mt6360_pmu_fled_chg_vinovp_evt_handler(int irq, void *data)
|
|
{
|
|
struct mt6360_led_info *mli = data;
|
|
|
|
dev_warn(mli->dev, "%s\n", __func__);
|
|
mli->mtfled_cdev[MT6360_FLED_CH1].faults |= LED_FAULT_INPUT_VOLTAGE;
|
|
mli->mtfled_cdev[MT6360_FLED_CH2].faults |= LED_FAULT_INPUT_VOLTAGE;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static struct mt6360_pmu_irq_desc mt6360_pmu_fled_irq_desc[] = {
|
|
{ "fled_chg_vinovp_evt", mt6360_pmu_fled_chg_vinovp_evt_handler },
|
|
{ "fled_lvf_evt", mt6360_pmu_fled_lvf_evt_handler },
|
|
{ "fled2_short_evt", mt6360_pmu_fled2_short_evt_handler },
|
|
{ "fled1_short_evt", mt6360_pmu_fled1_short_evt_handler },
|
|
{ "fled2_strb_to_evt", mt6360_pmu_fled2_strb_to_evt_handler },
|
|
{ "fled1_strb_to_evt", mt6360_pmu_fled1_strb_to_evt_handler },
|
|
};
|
|
|
|
static int mt6360_fled_irq_register(struct platform_device *pdev)
|
|
{
|
|
struct mt6360_pmu_irq_desc *irq_desc;
|
|
int i, irq, ret;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mt6360_pmu_fled_irq_desc); i++) {
|
|
irq_desc = mt6360_pmu_fled_irq_desc + i;
|
|
if (unlikely(!irq_desc->name))
|
|
continue;
|
|
irq = platform_get_irq_byname(pdev, irq_desc->name);
|
|
if (irq < 0)
|
|
continue;
|
|
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
|
|
irq_desc->irq_handler,
|
|
IRQF_TRIGGER_FALLING,
|
|
irq_desc->name,
|
|
platform_get_drvdata(pdev));
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev,
|
|
"request %s irq fail\n", irq_desc->name);
|
|
return ret;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mt6360_iled_parse_dt(struct device *dev,
|
|
struct mt6360_led_info *mli)
|
|
{
|
|
struct device_node *iled_np, *child;
|
|
struct mt6360_led_classdev *mtled_cdev;
|
|
u32 val;
|
|
int ret;
|
|
|
|
if (!dev->of_node)
|
|
return 0;
|
|
iled_np = of_find_node_by_name(dev->of_node, "iled");
|
|
if (!iled_np)
|
|
return 0;
|
|
for_each_available_child_of_node(iled_np, child) {
|
|
ret = of_property_read_u32(child, "reg", &val);
|
|
if (ret) {
|
|
dev_err(dev, "Fail to read reg property\n");
|
|
continue;
|
|
}
|
|
if (val >= MT6360_LED_MAX) {
|
|
dev_err(dev, "Invalid iled reg [%u]\n", val);
|
|
ret = -EINVAL;
|
|
goto out_iled_dt;
|
|
}
|
|
mtled_cdev = mli->mtled_cdev + val;
|
|
|
|
of_property_read_string(child,
|
|
"label", &(mtled_cdev->cdev.name));
|
|
of_property_read_string(child, "linux,default-trigger",
|
|
&(mtled_cdev->cdev.default_trigger));
|
|
mtled_cdev->np = child;
|
|
}
|
|
return 0;
|
|
out_iled_dt:
|
|
of_node_put(child);
|
|
return ret;
|
|
}
|
|
|
|
static int mt6360_fled_parse_dt(struct device *dev,
|
|
struct mt6360_led_info *mli)
|
|
{
|
|
struct device_node *fled_np, *child;
|
|
struct mt6360_fled_classdev *mtfled_cdev;
|
|
struct led_classdev *led_cdev;
|
|
struct led_flash_setting *fs;
|
|
u32 val;
|
|
int ret;
|
|
|
|
if (!dev->of_node)
|
|
return 0;
|
|
fled_np = of_find_node_by_name(dev->of_node, "fled");
|
|
if (!fled_np)
|
|
return 0;
|
|
for_each_available_child_of_node(fled_np, child) {
|
|
ret = of_property_read_u32(child, "reg", &val);
|
|
if (ret) {
|
|
dev_err(dev, "Fail to read reg property\n");
|
|
continue;
|
|
}
|
|
if (val >= MT6360_FLED_MAX) {
|
|
dev_err(dev, "Invalid fled reg [%u]\n", val);
|
|
ret = -EINVAL;
|
|
goto out_fled_dt;
|
|
}
|
|
mtfled_cdev = mli->mtfled_cdev + val;
|
|
|
|
of_property_read_string(child, "label",
|
|
&(mtfled_cdev->fl_cdev.led_cdev.name));
|
|
ret = of_property_read_u32(child, "led-max-microamp", &val);
|
|
if (ret) {
|
|
dev_warn(dev, "led-max-microamp property missing\n");
|
|
val = MT6360_TORCHCUR_MIN;
|
|
}
|
|
if (val < MT6360_TORCHCUR_MIN)
|
|
val = MT6360_TORCHCUR_MIN;
|
|
val = (val - MT6360_TORCHCUR_MIN) / MT6360_TORCHCUR_STEP + 1;
|
|
led_cdev = &(mtfled_cdev->fl_cdev.led_cdev);
|
|
led_cdev->max_brightness = min(led_cdev->max_brightness, val);
|
|
ret = of_property_read_u32(child, "flash-max-microamp", &val);
|
|
if (ret) {
|
|
dev_warn(dev, "flash-max-microamp property missing\n");
|
|
val = MT6360_STROBECUR_MIN;
|
|
}
|
|
if (val < MT6360_STROBECUR_MIN)
|
|
val = MT6360_STROBECUR_MIN;
|
|
fs = &(mtfled_cdev->fl_cdev.brightness);
|
|
fs->val = fs->max = min(fs->max, val);
|
|
ret = of_property_read_u32(child, "flash-max-timeout", &val);
|
|
if (ret) {
|
|
dev_warn(dev, "flash-max-timeout property missing\n");
|
|
val = MT6360_STRBTIMEOUT_MIN;
|
|
}
|
|
if (val < MT6360_STRBTIMEOUT_MIN)
|
|
val = MT6360_STRBTIMEOUT_MIN;
|
|
fs = &(mtfled_cdev->fl_cdev.timeout);
|
|
fs->val = fs->max = min(fs->max, val);
|
|
mtfled_cdev->np = child;
|
|
}
|
|
return 0;
|
|
out_fled_dt:
|
|
of_node_put(child);
|
|
return ret;
|
|
}
|
|
|
|
static const struct mt6360_pdata_prop mt6360_pdata_props[] = {
|
|
MT6360_PDATA_VALPROP(fled1_ultraistrb, struct mt6360_led_platform_data,
|
|
MT6360_PMU_FLED1_STRB_CTRL2, 7, 0x80, NULL, 0),
|
|
MT6360_PDATA_VALPROP(fled2_ultraistrb, struct mt6360_led_platform_data,
|
|
MT6360_PMU_FLED2_STRB_CTRL2, 7, 0x80, NULL, 0),
|
|
};
|
|
|
|
static int mt6360_led_apply_pdata(struct mt6360_led_info *mli,
|
|
struct mt6360_led_platform_data *pdata)
|
|
{
|
|
int ret;
|
|
|
|
dev_dbg(mli->dev, "%s ++\n", __func__);
|
|
ret = mt6360_pdata_apply_helper(mli->regmap, pdata, mt6360_pdata_props,
|
|
ARRAY_SIZE(mt6360_pdata_props));
|
|
if (ret < 0)
|
|
return ret;
|
|
dev_dbg(mli->dev, "%s --\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static const struct mt6360_val_prop mt6360_val_props[] = {
|
|
MT6360_DT_VALPROP(rgbon_sync, struct mt6360_led_platform_data),
|
|
};
|
|
|
|
static int mt6360_led_parse_dt_data(struct device *dev,
|
|
struct mt6360_led_platform_data *pdata)
|
|
{
|
|
struct device_node *np = dev->of_node;
|
|
|
|
dev_dbg(dev, "%s ++\n", __func__);
|
|
memcpy(pdata, &def_platform_data, sizeof(*pdata));
|
|
mt6360_dt_parser_helper(np, (void *)pdata,
|
|
mt6360_val_props, ARRAY_SIZE(mt6360_val_props));
|
|
dev_dbg(dev, "%s --\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static int mt6360_led_probe(struct platform_device *pdev)
|
|
{
|
|
struct mt6360_led_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
|
struct mt6360_led_info *mli;
|
|
struct mt6360_led_classdev *mtled_cdev;
|
|
struct mt6360_fled_classdev *mtfled_cdev;
|
|
struct v4l2_flash_config v4l2_config;
|
|
int i, ret;
|
|
|
|
dev_dbg(&pdev->dev, "%s\n", __func__);
|
|
mli = devm_kzalloc(&pdev->dev, sizeof(*mli), GFP_KERNEL);
|
|
if (!mli)
|
|
return -ENOMEM;
|
|
if (pdev->dev.of_node) {
|
|
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
return -ENOMEM;
|
|
ret = mt6360_led_parse_dt_data(&pdev->dev, pdata);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "parse dt fail\n");
|
|
return ret;
|
|
}
|
|
}
|
|
if (!pdata) {
|
|
dev_err(&pdev->dev, "no platform data specified\n");
|
|
return -EINVAL;
|
|
}
|
|
mli->dev = &pdev->dev;
|
|
mli->pdata = pdata;
|
|
platform_set_drvdata(pdev, mli);
|
|
|
|
/* get parent regmap */
|
|
mli->regmap = dev_get_regmap(pdev->dev.parent, NULL);
|
|
if (!mli->regmap) {
|
|
dev_err(&pdev->dev, "Failed to get parent regmap\n");
|
|
return -ENODEV;
|
|
}
|
|
/* apply platform data */
|
|
ret = mt6360_led_apply_pdata(mli, pdata);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "apply pdata fail\n");
|
|
return ret;
|
|
}
|
|
/* iled register */
|
|
memcpy(mli->mtled_cdev, def_led_classdev, sizeof(def_led_classdev));
|
|
ret = mt6360_iled_parse_dt(&pdev->dev, mli);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Fail to parse iled dt\n");
|
|
return ret;
|
|
}
|
|
for (i = 0; i < MT6360_LED_MAX; i++) {
|
|
mtled_cdev = mli->mtled_cdev + i;
|
|
ret = devm_led_classdev_register(&pdev->dev,
|
|
&(mtled_cdev->cdev));
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Failed to register led[%d]\n", i);
|
|
return ret;
|
|
}
|
|
mtled_cdev->cdev.dev->of_node = mtled_cdev->np;
|
|
}
|
|
/* fled register */
|
|
memcpy(mli->mtfled_cdev, def_fled_classdev, sizeof(def_fled_classdev));
|
|
ret = mt6360_fled_parse_dt(&pdev->dev, mli);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Fail to parse fled dt\n");
|
|
return ret;
|
|
}
|
|
for (i = 0; i < MT6360_FLED_MAX; i++) {
|
|
mtfled_cdev = mli->mtfled_cdev + i;
|
|
ret = led_classdev_flash_register(&pdev->dev,
|
|
&mtfled_cdev->fl_cdev);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Failed to register fled[%d]\n", i);
|
|
goto out_fled_cdev;
|
|
}
|
|
}
|
|
for (i = 0; i < MT6360_FLED_MAX; i++) {
|
|
mtfled_cdev = mli->mtfled_cdev + i;
|
|
memset(&v4l2_config, 0, sizeof(v4l2_config));
|
|
mt6360_init_v4l2_flash_config(mtfled_cdev, &v4l2_config);
|
|
mtfled_cdev->v4l2_flash = v4l2_flash_init(&pdev->dev,
|
|
of_fwnode_handle(mtfled_cdev->np),
|
|
&mtfled_cdev->fl_cdev,
|
|
&v4l2_flash_ops, &v4l2_config);
|
|
if (IS_ERR(mtfled_cdev->v4l2_flash)) {
|
|
dev_err(&pdev->dev, "Failed to register v4l2_sd\n");
|
|
ret = PTR_ERR(mtfled_cdev->v4l2_flash);
|
|
goto out_v4l2_sd;
|
|
}
|
|
}
|
|
ret = mt6360_fled_irq_register(pdev);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Failed to register irqs\n");
|
|
goto out_v4l2_sd;
|
|
}
|
|
dev_info(&pdev->dev, "Successfully probed\n");
|
|
return 0;
|
|
out_v4l2_sd:
|
|
while (--i >= 0) {
|
|
mtfled_cdev = mli->mtfled_cdev + i;
|
|
v4l2_flash_release(mtfled_cdev->v4l2_flash);
|
|
}
|
|
i = MT6360_FLED_MAX;
|
|
out_fled_cdev:
|
|
while (--i >= 0) {
|
|
mtfled_cdev = mli->mtfled_cdev + i;
|
|
led_classdev_flash_unregister(&mtfled_cdev->fl_cdev);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int mt6360_led_remove(struct platform_device *pdev)
|
|
{
|
|
struct mt6360_led_info *mli = platform_get_drvdata(pdev);
|
|
struct mt6360_fled_classdev *mtfled_cdev;
|
|
int i;
|
|
|
|
for (i = 0; i < MT6360_FLED_MAX; i++) {
|
|
mtfled_cdev = mli->mtfled_cdev + i;
|
|
v4l2_flash_release(mtfled_cdev->v4l2_flash);
|
|
led_classdev_flash_unregister(&mtfled_cdev->fl_cdev);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id __maybe_unused mt6360_led_of_id[] = {
|
|
{ .compatible = "mediatek,mt6360_led", },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, mt6360_led_of_id);
|
|
|
|
static const struct platform_device_id mt6360_led_id[] = {
|
|
{ "mt6360_led", 0 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(platform, mt6360_led_id);
|
|
|
|
static struct platform_driver mt6360_led_driver = {
|
|
.driver = {
|
|
.name = "mt6360_led",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = of_match_ptr(mt6360_led_of_id),
|
|
},
|
|
.probe = mt6360_led_probe,
|
|
.remove = mt6360_led_remove,
|
|
.id_table = mt6360_led_id,
|
|
};
|
|
module_platform_driver(mt6360_led_driver);
|
|
|
|
MODULE_AUTHOR("CY_Huang <cy_huang@richtek.com>");
|
|
MODULE_DESCRIPTION("MT6360 Led Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION("1.0.0");
|