766 lines
18 KiB
C
766 lines
18 KiB
C
/* drivers/motor/isa1000.c
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* Copyright (C) 2014 Samsung Electronics Co. Ltd. All Rights Reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#define pr_fmt(fmt) "[VIB] isa1000_vib: " fmt
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/hrtimer.h>
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#include <linux/pwm.h>
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#include <linux/platform_device.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/of_gpio.h>
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#include <linux/delay.h>
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#include <linux/regulator/consumer.h>
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#include <linux/vibrator/sec_vibrator.h>
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#if defined(CONFIG_MTK_PWM)
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struct pwm_spec_config {
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u32 pwm_no;
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u32 mode;
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u32 clk_div;
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u32 clk_src;
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u8 intr;
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u8 pmic_pad;
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union {
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/* for old mode */
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struct _PWM_OLDMODE_REGS {
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u16 IDLE_VALUE;
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u16 GUARD_VALUE;
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u16 GDURATION;
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u16 WAVE_NUM;
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u16 DATA_WIDTH;
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u16 THRESH;
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} PWM_MODE_OLD_REGS;
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/* for fifo mode */
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struct _PWM_MODE_FIFO_REGS {
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u32 IDLE_VALUE;
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u32 GUARD_VALUE;
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u32 STOP_BITPOS_VALUE;
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u16 HDURATION;
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u16 LDURATION;
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u32 GDURATION;
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u32 SEND_DATA0;
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u32 SEND_DATA1;
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u32 WAVE_NUM;
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} PWM_MODE_FIFO_REGS;
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/* for memory mode */
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struct _PWM_MODE_MEMORY_REGS {
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u32 IDLE_VALUE;
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u32 GUARD_VALUE;
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u32 STOP_BITPOS_VALUE;
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u16 HDURATION;
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u16 LDURATION;
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u16 GDURATION;
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dma_addr_t BUF0_BASE_ADDR;
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u32 BUF0_SIZE;
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u16 WAVE_NUM;
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} PWM_MODE_MEMORY_REGS;
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/* for RANDOM mode */
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struct _PWM_MODE_RANDOM_REGS {
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u16 IDLE_VALUE;
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u16 GUARD_VALUE;
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u32 STOP_BITPOS_VALUE;
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u16 HDURATION;
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u16 LDURATION;
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u16 GDURATION;
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dma_addr_t BUF0_BASE_ADDR;
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u32 BUF0_SIZE;
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dma_addr_t BUF1_BASE_ADDR;
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u32 BUF1_SIZE;
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u16 WAVE_NUM;
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u32 VALID;
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} PWM_MODE_RANDOM_REGS;
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/* for seq mode */
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struct _PWM_MODE_DELAY_REGS {
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/* u32 ENABLE_DELAY_VALUE; */
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u16 PWM3_DELAY_DUR;
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u32 PWM3_DELAY_CLK;
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/* 0: block clock source, 1: block/1625 clock source */
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u16 PWM4_DELAY_DUR;
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u32 PWM4_DELAY_CLK;
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u16 PWM5_DELAY_DUR;
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u32 PWM5_DELAY_CLK;
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} PWM_MODE_DELAY_REGS;
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};
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};
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enum INFRA_CLK_SRC_CTRL {
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CLK_32K = 0x00,
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CLK_26M = 0x01,
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CLK_78M = 0x2,
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CLK_SEL_TOPCKGEN = 0x3,
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};
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enum PWM_MODE_ENUM {
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PWM_MODE_MIN,
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PWM_MODE_OLD = PWM_MODE_MIN,
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PWM_MODE_FIFO,
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PWM_MODE_MEMORY,
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PWM_MODE_RANDOM,
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PWM_MODE_DELAY,
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PWM_MODE_INVALID,
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};
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enum PWM_CLK_DIV {
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CLK_DIV_MIN,
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CLK_DIV1 = CLK_DIV_MIN,
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CLK_DIV2,
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CLK_DIV4,
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CLK_DIV8,
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CLK_DIV16,
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CLK_DIV32,
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CLK_DIV64,
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CLK_DIV128,
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CLK_DIV_MAX
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};
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enum PWM_CLOCK_SRC_ENUM {
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PWM_CLK_SRC_MIN,
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PWM_CLK_OLD_MODE_BLOCK = PWM_CLK_SRC_MIN,
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PWM_CLK_OLD_MODE_32K,
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PWM_CLK_NEW_MODE_BLOCK,
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PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625,
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PWM_CLK_SRC_NUM,
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PWM_CLK_SRC_INVALID,
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};
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enum PWM_CON_IDLE_BIT {
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IDLE_FALSE,
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IDLE_TRUE,
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IDLE_MAX
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};
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enum PWM_CON_GUARD_BIT {
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GUARD_FALSE,
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GUARD_TRUE,
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GUARD_MAX
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};
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s32 pwm_set_spec_config(struct pwm_spec_config *conf);
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void mt_pwm_disable(u32 pwm_no, u8 pmic_pad);
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void mt_pwm_clk_sel_hal(u32 pwm, u32 clk_src);
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//#include <mt-plat/mtk_pwm.h> //chipset based inclusion selection though MTK_PLATFORM in makefile
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//#include <mach/mtk_pwm_hal.h>
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void mt_pwm_power_on(u32 pwm_no, bool pmic_pad);
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static struct pwm_spec_config motor_pwm_config = {
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.pwm_no = 0,
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.mode = PWM_MODE_FIFO, /*mode used for pwm generation*/
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.clk_div = CLK_DIV2, /*clk src division factor*/
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.clk_src = PWM_CLK_NEW_MODE_BLOCK,
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.pmic_pad = 0,
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.PWM_MODE_FIFO_REGS.IDLE_VALUE = IDLE_FALSE,
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.PWM_MODE_FIFO_REGS.GUARD_VALUE = GUARD_FALSE,
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.PWM_MODE_FIFO_REGS.STOP_BITPOS_VALUE = 61, /*(value + 1) number of bits used in pwm generation*/
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.PWM_MODE_FIFO_REGS.HDURATION = 7, /*number of clk cycles for which high bit is set*/
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.PWM_MODE_FIFO_REGS.LDURATION = 7, /*number of clk cycles for which low bit is set*/
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.PWM_MODE_FIFO_REGS.GDURATION = 0,
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.PWM_MODE_FIFO_REGS.SEND_DATA0 = 0xFFFFFFFE, /*first pwm data block writing starts from LSB*/
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.PWM_MODE_FIFO_REGS.SEND_DATA1 = 0x1FFFFF, /*second pwm data block writing starts from LSB*/
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.PWM_MODE_FIFO_REGS.WAVE_NUM = 0,
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};
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#endif // CONFIG_MTK_PWM
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#define ISA1000_DIVIDER 128
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#define FREQ_DIVIDER NSEC_PER_SEC / ISA1000_DIVIDER * 10
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struct isa1000_pdata {
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int gpio_en;
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const char *regulator_name;
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struct pwm_device *pwm;
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struct regulator *regulator;
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const char *motor_type;
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int frequency;
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int duty_ratio;
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/* for multi-frequency */
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int freq_nums;
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u32 *freq_array;
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#if defined(CONFIG_SEC_VIBRATOR)
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bool calibration;
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int steps;
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int *intensities;
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int *haptic_intensities;
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#endif
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};
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struct isa1000_ddata {
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struct isa1000_pdata *pdata;
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struct sec_vibrator_drvdata sec_vib_ddata;
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int max_duty;
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int duty;
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int period;
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};
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static int isa1000_vib_set_frequency(struct device *dev, int num)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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if (num >= 0 && num < ddata->pdata->freq_nums) {
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ddata->period = FREQ_DIVIDER / ddata->pdata->freq_array[num];
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ddata->duty = ddata->max_duty =
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(ddata->period * ddata->pdata->duty_ratio) / 100;
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} else if (num >= HAPTIC_ENGINE_FREQ_MIN &&
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num <= HAPTIC_ENGINE_FREQ_MAX) {
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ddata->period = FREQ_DIVIDER / num;
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ddata->duty = ddata->max_duty =
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(ddata->period * ddata->pdata->duty_ratio) / 100;
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} else {
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pr_err("%s out of range %d\n", __func__, num);
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return -EINVAL;
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}
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return 0;
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}
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#if defined(CONFIG_MTK_PWM)
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static int isa1000_vib_set_ratio(int ratio)
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{
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int send_data1_bits_limit;
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int bit_size = motor_pwm_config.PWM_MODE_FIFO_REGS.STOP_BITPOS_VALUE + 1;
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send_data1_bits_limit = bit_size * ratio / 100;
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send_data1_bits_limit -= (bit_size / 2);
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pr_info("send_data1_bits_limit set to %d\n", send_data1_bits_limit);
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return send_data1_bits_limit;
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}
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#endif
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static int isa1000_vib_set_intensity(struct device *dev, int intensity)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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int duty = ddata->period >> 1;
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int ret = 0;
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int ratio = 100;
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#if defined(CONFIG_MTK_PWM)
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int send_data1_bits_limit;
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#endif
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if (intensity < -(MAX_INTENSITY) || MAX_INTENSITY < intensity) {
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pr_err("%s out of range %d\n", __func__, intensity);
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return -EINVAL;
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}
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if (intensity == MAX_INTENSITY)
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duty = ddata->max_duty;
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else if (intensity == -(MAX_INTENSITY))
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duty = ddata->period - ddata->max_duty;
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else if (intensity != 0)
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duty += (ddata->max_duty - duty) * intensity / MAX_INTENSITY;
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ddata->duty = duty;
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ratio = sec_vibrator_recheck_ratio(&ddata->sec_vib_ddata);
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#if defined(CONFIG_MTK_PWM)
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send_data1_bits_limit = isa1000_vib_set_ratio(ratio);
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motor_pwm_config.PWM_MODE_FIFO_REGS.SEND_DATA1 = (1 << (send_data1_bits_limit * intensity / MAX_INTENSITY)) - 1;
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mt_pwm_power_on(motor_pwm_config.pwm_no, 0);
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mt_pwm_clk_sel_hal(0, CLK_26M);
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#else
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ret = pwm_config(ddata->pdata->pwm, duty, ddata->period);
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if (ret < 0) {
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pr_err("failed to config pwm %d\n", ret);
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return ret;
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}
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#endif
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if (intensity != 0) {
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#if defined(CONFIG_MTK_PWM)
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ret = pwm_set_spec_config(&motor_pwm_config);
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#else
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ret = pwm_enable(ddata->pdata->pwm);
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#endif
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if (ret < 0)
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pr_err("failed to enable pwm %d\n", ret);
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} else {
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#if defined(CONFIG_MTK_PWM)
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mt_pwm_disable(motor_pwm_config.pwm_no, motor_pwm_config.pmic_pad);
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#else
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pwm_disable(ddata->pdata->pwm);
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#endif
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}
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return ret;
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}
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static void isa1000_regulator_en(struct isa1000_ddata *ddata, bool en)
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{
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int ret;
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if (ddata->pdata->regulator == NULL)
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return;
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if (en && !regulator_is_enabled(ddata->pdata->regulator)) {
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ret = regulator_enable(ddata->pdata->regulator);
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if (ret)
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pr_err("regulator_enable returns: %d\n", ret);
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} else if (!en && regulator_is_enabled(ddata->pdata->regulator)) {
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ret = regulator_disable(ddata->pdata->regulator);
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if (ret)
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pr_err("regulator_disable returns: %d\n", ret);
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}
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}
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static void isa1000_gpio_en(struct isa1000_ddata *ddata, bool en)
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{
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if (gpio_is_valid(ddata->pdata->gpio_en))
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gpio_direction_output(ddata->pdata->gpio_en, en);
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}
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static int isa1000_vib_enable(struct device *dev, bool en)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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if (en) {
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isa1000_regulator_en(ddata, en);
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isa1000_gpio_en(ddata, en);
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} else {
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isa1000_gpio_en(ddata, en);
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isa1000_regulator_en(ddata, en);
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}
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return 0;
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}
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static int isa1000_get_motor_type(struct device *dev, char *buf)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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int ret = snprintf(buf, VIB_BUFSIZE, "%s\n", ddata->pdata->motor_type);
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return ret;
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}
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#if defined(CONFIG_SEC_VIBRATOR)
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static bool isa1000_get_calibration(struct device *dev)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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return pdata->calibration;
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}
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static int isa1000_get_step_size(struct device *dev, int *step_size)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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pr_info("%s step_size=%d\n", __func__, pdata->steps);
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if (pdata->steps == 0)
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return -ENODATA;
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*step_size = pdata->steps;
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return 0;
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}
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static int isa1000_get_intensities(struct device *dev, int *buf)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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int i;
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if (pdata->intensities[1] == 0)
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return -ENODATA;
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for (i = 0; i < pdata->steps; i++)
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buf[i] = pdata->intensities[i];
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return 0;
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}
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static int isa1000_set_intensities(struct device *dev, int *buf)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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int i;
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for (i = 0; i < pdata->steps; i++)
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pdata->intensities[i] = buf[i];
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return 0;
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}
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static int isa1000_get_haptic_intensities(struct device *dev, int *buf)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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int i;
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if (pdata->haptic_intensities[1] == 0)
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return -ENODATA;
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for (i = 0; i < pdata->steps; i++)
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buf[i] = pdata->haptic_intensities[i];
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return 0;
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}
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static int isa1000_set_haptic_intensities(struct device *dev, int *buf)
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{
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struct isa1000_ddata *ddata = dev_get_drvdata(dev);
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struct isa1000_pdata *pdata = ddata->pdata;
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int i;
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for (i = 0; i < pdata->steps; i++)
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pdata->haptic_intensities[i] = buf[i];
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return 0;
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}
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#endif /* if defined(CONFIG_SEC_VIBRATOR) */
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static const struct sec_vibrator_ops isa1000_multi_freq_vib_ops = {
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.enable = isa1000_vib_enable,
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.set_intensity = isa1000_vib_set_intensity,
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.set_frequency = isa1000_vib_set_frequency,
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.get_motor_type = isa1000_get_motor_type,
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#if defined(CONFIG_SEC_VIBRATOR)
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.get_calibration = isa1000_get_calibration,
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.get_step_size = isa1000_get_step_size,
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.get_intensities = isa1000_get_intensities,
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.set_intensities = isa1000_set_intensities,
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.get_haptic_intensities = isa1000_get_haptic_intensities,
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.set_haptic_intensities = isa1000_set_haptic_intensities,
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#endif
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};
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static const struct sec_vibrator_ops isa1000_single_freq_vib_ops = {
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.enable = isa1000_vib_enable,
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.set_intensity = isa1000_vib_set_intensity,
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.get_motor_type = isa1000_get_motor_type,
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#if defined(CONFIG_SEC_VIBRATOR)
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.get_calibration = isa1000_get_calibration,
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.get_step_size = isa1000_get_step_size,
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.get_intensities = isa1000_get_intensities,
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.set_intensities = isa1000_set_intensities,
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.get_haptic_intensities = isa1000_get_haptic_intensities,
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.set_haptic_intensities = isa1000_set_haptic_intensities,
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#endif
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};
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#if defined(CONFIG_SEC_VIBRATOR)
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static int of_sec_vibrator_dt(struct isa1000_pdata *pdata, struct device_node *np)
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{
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int ret = 0;
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int i;
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unsigned int val = 0;
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int *intensities = NULL;
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pr_info("%s\n", __func__);
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pdata->calibration = false;
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/* number of steps */
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ret = of_property_read_u32(np, "samsung,steps", &val);
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if (ret) {
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pr_err("%s out of range(%d)\n", __func__, val);
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return -EINVAL;
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}
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pdata->steps = (int)val;
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|
/* allocate memory for intensities */
|
|
pdata->intensities = kmalloc_array(pdata->steps, sizeof(int), GFP_KERNEL);
|
|
if (!pdata->intensities)
|
|
return -ENOMEM;
|
|
intensities = pdata->intensities;
|
|
|
|
/* intensities */
|
|
ret = of_property_read_u32_array(np, "samsung,intensities", intensities, pdata->steps);
|
|
if (ret) {
|
|
pr_err("intensities are not specified\n");
|
|
ret = -EINVAL;
|
|
goto err_getting_int;
|
|
}
|
|
|
|
for (i = 0; i < pdata->steps; i++) {
|
|
if ((intensities[i] < 0) || (intensities[i] > MAX_INTENSITY)) {
|
|
pr_err("%s out of range(%d)\n", __func__, intensities[i]);
|
|
ret = -EINVAL;
|
|
goto err_getting_int;
|
|
}
|
|
}
|
|
intensities = NULL;
|
|
|
|
/* allocate memory for haptic_intensities */
|
|
pdata->haptic_intensities = kmalloc_array(pdata->steps, sizeof(int), GFP_KERNEL);
|
|
if (!pdata->haptic_intensities) {
|
|
ret = -ENOMEM;
|
|
goto err_alloc_haptic;
|
|
}
|
|
intensities = pdata->haptic_intensities;
|
|
|
|
/* haptic intensities */
|
|
ret = of_property_read_u32_array(np, "samsung,haptic_intensities", intensities, pdata->steps);
|
|
if (ret) {
|
|
pr_err("haptic_intensities are not specified\n");
|
|
ret = -EINVAL;
|
|
goto err_haptic;
|
|
}
|
|
for (i = 0; i < pdata->steps; i++) {
|
|
if ((intensities[i] < 0) || (intensities[i] > MAX_INTENSITY)) {
|
|
pr_err("%s out of range(%d)\n", __func__, intensities[i]);
|
|
ret = -EINVAL;
|
|
goto err_haptic;
|
|
}
|
|
}
|
|
|
|
/* update calibration statue */
|
|
pdata->calibration = true;
|
|
|
|
return ret;
|
|
|
|
err_haptic:
|
|
kfree(pdata->haptic_intensities);
|
|
err_alloc_haptic:
|
|
pdata->haptic_intensities = NULL;
|
|
err_getting_int:
|
|
kfree(pdata->intensities);
|
|
pdata->intensities = NULL;
|
|
pdata->steps = 0;
|
|
|
|
return ret;
|
|
}
|
|
#endif /* if defined(CONFIG_SEC_VIBRATOR) */
|
|
|
|
static struct isa1000_pdata *isa1000_get_devtree_pdata(struct device *dev)
|
|
{
|
|
struct device_node *node;
|
|
struct isa1000_pdata *pdata;
|
|
u32 temp;
|
|
int ret = 0;
|
|
|
|
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
return NULL;
|
|
|
|
node = dev->of_node;
|
|
if (!node) {
|
|
pr_err("%s: error to get dt node\n", __func__);
|
|
goto err_out;
|
|
}
|
|
|
|
ret = of_property_read_u32(node, "isa1000,multi_frequency", &temp);
|
|
if (ret) {
|
|
pr_info("%s: multi_frequency isn't used\n", __func__);
|
|
pdata->freq_nums = 0;
|
|
} else
|
|
pdata->freq_nums = (int)temp;
|
|
|
|
if (pdata->freq_nums) {
|
|
pdata->freq_array = devm_kzalloc(dev,
|
|
sizeof(u32)*pdata->freq_nums, GFP_KERNEL);
|
|
if (!pdata->freq_array) {
|
|
pr_err("%s: failed to allocate freq_array data\n",
|
|
__func__);
|
|
goto err_out;
|
|
}
|
|
|
|
ret = of_property_read_u32_array(node, "isa1000,frequency",
|
|
pdata->freq_array, pdata->freq_nums);
|
|
if (ret) {
|
|
pr_err("%s: error to get dt node frequency\n",
|
|
__func__);
|
|
goto err_out;
|
|
}
|
|
|
|
pdata->frequency = pdata->freq_array[0];
|
|
} else {
|
|
ret = of_property_read_u32(node,
|
|
"isa1000,frequency", &temp);
|
|
if (ret) {
|
|
pr_err("%s: error to get dt node frequency\n",
|
|
__func__);
|
|
goto err_out;
|
|
} else
|
|
pdata->frequency = (int)temp;
|
|
}
|
|
|
|
ret = of_property_read_u32(node, "isa1000,duty_ratio",
|
|
&pdata->duty_ratio);
|
|
if (ret) {
|
|
pr_err("%s: error to get dt node duty_ratio\n", __func__);
|
|
goto err_out;
|
|
}
|
|
|
|
ret = of_property_read_string(node, "isa1000,regulator_name",
|
|
&pdata->regulator_name);
|
|
if (!ret) {
|
|
pdata->regulator = regulator_get(NULL, pdata->regulator_name);
|
|
if (IS_ERR(pdata->regulator)) {
|
|
ret = PTR_ERR(pdata->regulator);
|
|
pdata->regulator = NULL;
|
|
pr_err("%s: regulator get fail\n", __func__);
|
|
goto err_out;
|
|
}
|
|
} else {
|
|
pr_info("%s: regulator isn't used\n", __func__);
|
|
pdata->regulator = NULL;
|
|
}
|
|
|
|
pdata->gpio_en = of_get_named_gpio(node, "isa1000,gpio_en", 0);
|
|
if (gpio_is_valid(pdata->gpio_en)) {
|
|
ret = gpio_request(pdata->gpio_en, "isa1000,gpio_en");
|
|
if (ret) {
|
|
pr_err("%s: motor gpio request fail(%d)\n",
|
|
__func__, ret);
|
|
goto err_out;
|
|
}
|
|
ret = gpio_direction_output(pdata->gpio_en, 0);
|
|
} else {
|
|
pr_info("%s: gpio isn't used\n", __func__);
|
|
}
|
|
|
|
#if defined(CONFIG_MTK_PWM)
|
|
mt_pwm_power_on(0, 0);
|
|
#else
|
|
pdata->pwm = devm_of_pwm_get(dev, node, NULL);
|
|
if (IS_ERR(pdata->pwm)) {
|
|
pr_err("%s: error to get pwms : %d?\n", __func__, IS_ERR(pdata->pwm));
|
|
goto err_out;
|
|
}
|
|
#endif
|
|
|
|
ret = of_property_read_string(node, "isa1000,motor_type",
|
|
&pdata->motor_type);
|
|
if (ret)
|
|
pr_err("%s: motor_type is undefined\n", __func__);
|
|
|
|
#if defined(CONFIG_SEC_VIBRATOR)
|
|
ret = of_sec_vibrator_dt(pdata, node);
|
|
if (ret < 0)
|
|
pr_err("sec_vibrator dt read fail : %d\n", ret);
|
|
#endif
|
|
|
|
return pdata;
|
|
|
|
err_out:
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static int isa1000_probe(struct platform_device *pdev)
|
|
{
|
|
struct isa1000_pdata *pdata = dev_get_platdata(&pdev->dev);
|
|
struct isa1000_ddata *ddata;
|
|
|
|
if (!pdata) {
|
|
#if defined(CONFIG_OF)
|
|
pdata = isa1000_get_devtree_pdata(&pdev->dev);
|
|
if (IS_ERR(pdata)) {
|
|
pr_err("there is no device tree!\n");
|
|
return -ENODEV;
|
|
}
|
|
#else
|
|
pr_err("there is no platform data!\n");
|
|
#endif
|
|
}
|
|
|
|
ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
|
|
if (!ddata) {
|
|
pr_err("failed to alloc\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
platform_set_drvdata(pdev, ddata);
|
|
ddata->pdata = pdata;
|
|
ddata->period = FREQ_DIVIDER / pdata->frequency;
|
|
ddata->max_duty = ddata->duty =
|
|
ddata->period * ddata->pdata->duty_ratio / 100;
|
|
|
|
ddata->sec_vib_ddata.dev = &pdev->dev;
|
|
if (pdata->freq_nums)
|
|
ddata->sec_vib_ddata.vib_ops = &isa1000_multi_freq_vib_ops;
|
|
else
|
|
ddata->sec_vib_ddata.vib_ops = &isa1000_single_freq_vib_ops;
|
|
sec_vibrator_register(&ddata->sec_vib_ddata);
|
|
|
|
pr_info("%s - done\n", __func__);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int isa1000_remove(struct platform_device *pdev)
|
|
{
|
|
struct isa1000_ddata *ddata = platform_get_drvdata(pdev);
|
|
|
|
sec_vibrator_unregister(&ddata->sec_vib_ddata);
|
|
isa1000_vib_enable(&pdev->dev, false);
|
|
return 0;
|
|
}
|
|
|
|
static int isa1000_suspend(struct platform_device *pdev,
|
|
pm_message_t state)
|
|
{
|
|
isa1000_vib_enable(&pdev->dev, false);
|
|
return 0;
|
|
}
|
|
|
|
static int isa1000_resume(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_OF)
|
|
static struct of_device_id isa1000_dt_ids[] = {
|
|
{ .compatible = "imagis,isa1000_vibrator" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, isa1000_dt_ids);
|
|
#endif /* CONFIG_OF */
|
|
|
|
static struct platform_driver isa1000_driver = {
|
|
.probe = isa1000_probe,
|
|
.remove = isa1000_remove,
|
|
.suspend = isa1000_suspend,
|
|
.resume = isa1000_resume,
|
|
.driver = {
|
|
.name = "isa1000",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = of_match_ptr(isa1000_dt_ids),
|
|
},
|
|
};
|
|
|
|
static int __init isa1000_init(void)
|
|
{
|
|
return platform_driver_register(&isa1000_driver);
|
|
}
|
|
module_init(isa1000_init);
|
|
|
|
static void __exit isa1000_exit(void)
|
|
{
|
|
platform_driver_unregister(&isa1000_driver);
|
|
}
|
|
module_exit(isa1000_exit);
|
|
|
|
MODULE_AUTHOR("Samsung Electronics");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("isa1000 vibrator driver");
|