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Diffstat (limited to 'driver/ioexpander/it8801.h')
| -rw-r--r-- | driver/ioexpander/it8801.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/driver/ioexpander/it8801.h b/driver/ioexpander/it8801.h deleted file mode 100644 index 05a17acf78..0000000000 --- a/driver/ioexpander/it8801.h +++ /dev/null @@ -1,126 +0,0 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * IT8801 is an I/O expander with the keyboard matrix controller. - * - */ - -#ifndef __CROS_EC_IO_EXPANDER_IT8801_H -#define __CROS_EC_IO_EXPANDER_IT8801_H - -/* I2C address flags (7-bit without R/W) */ -#define IT8801_I2C_ADDR1 0x38 -#define IT8801_I2C_ADDR2 0x39 - -/* Keyboard Matrix Scan control (KBS) */ -#define IT8801_REG_KSOMCR 0x40 -#define IT8801_REG_MASK_KSOSDIC BIT(7) -#define IT8801_REG_MASK_KSE BIT(6) -#define IT8801_REG_MASK_AKSOSC BIT(5) -#define IT8801_REG_KSIDR 0x41 -#define IT8801_REG_KSIEER 0x42 -#define IT8801_REG_KSIIER 0x43 -#define IT8801_REG_SMBCR 0xfa -#define IT8801_REG_MASK_ARE BIT(4) -#define IT8801_REG_GIECR 0xfb -#define IT8801_REG_MASK_GKSIIE BIT(3) -#define IT8801_REG_GPIO10 0x12 -#define IT8801_REG_GPIO00_KSO19 0x0a -#define IT8801_REG_GPIO01_KSO18 0x0b -#define IT8801_REG_GPIO22_KSO21 0x1c -#define IT8801_REG_GPIO23_KSO20 0x1d -#define IT8801_REG_MASK_GPIOAFS_PULLUP BIT(7) -#define IT8801_REG_MASK_GPIOAFS_FUNC2 BIT(6) -#define IT8801_REG_MASK_GPIODIR BIT(5) -#define IT8801_REG_MASK_GPIOPUE BIT(0) -#define IT8801_REG_GPIO23SOV BIT(3) -#define IT8801_REG_MASK_SELKSO2 0x02 -#define IT8801_REG_GISR 0xF9 -#define IT8801_REG_MASK_GISR_GKSIIS BIT(6) -#define IT8801_REG_MASK_GISR_GGPIOG2IS BIT(2) -#define IT8801_REG_MASK_GISR_GGPIOG1IS BIT(1) -#define IT8801_REG_MASK_GISR_GGPIOG0IS BIT(0) -#define IT8801_REG_MASK_GISR_GGPIOGXIS (IT8801_REG_MASK_GISR_GGPIOG2IS | \ - IT8801_REG_MASK_GISR_GGPIOG1IS | IT8801_REG_MASK_GISR_GGPIOG0IS) -#define IT8801_REG_LBVIDR 0xFE -#define IT8801_REG_HBVIDR 0xFF -#define IT8801_KSO_COUNT 18 - -/* General Purpose I/O Port (GPIO) */ -#define IT8801_SUPPORT_GPIO_FLAGS (GPIO_OPEN_DRAIN | GPIO_INPUT | \ - GPIO_OUTPUT | GPIO_LOW | GPIO_HIGH | GPIO_INT_ANY) - -#define IT8801_REG_MASK_GPIOAFS_FUNC1 (0x00 << 7) - -/* IT8801 only supports GPIO 0/1/2 */ -#define IT8801_VALID_GPIO_G0_MASK 0xD9 -#define IT8801_VALID_GPIO_G1_MASK 0x3F -#define IT8801_VALID_GPIO_G2_MASK 0x0F - -extern __override_proto const uint8_t it8801_kso_mapping[]; -extern const struct ioexpander_drv it8801_ioexpander_drv; - -/* GPIO Register map */ -/* Input pin status register */ -#define IT8801_REG_GPIO_IPSR(port) (0x00 + (port)) -/* Set output value register */ -#define IT8801_REG_GPIO_SOVR(port) (0x05 + (port)) -/* Control register */ -#define IT8801_REG_GPIO_CR(port, mask) \ - (0x0A + (port) * 8 + GPIO_MASK_TO_NUM(mask)) -/* Interrupt status register */ -#define IT8801_REG_GPIO_ISR(port) (0x32 + (port)) -/* Interrupt enable register */ -#define IT8801_REG_GPIO_IER(port) (0x37 + (port)) - -/* Control register values */ -#define IT8801_GPIOAFS_SHIFT 6 /* bit 6~7 */ - -#define IT8801_GPIODIR BIT(5) /* direction, output=1 */ -/* input pin */ -#define IT8801_GPIOIOT_INT_RISING BIT(3) -#define IT8801_GPIOIOT_INT_FALLING BIT(4) - -#define IT8801_GPIODIR BIT(5) -#define IT8801_GPIOIOT BIT(4) -#define IT8801_GPIOPOL BIT(2) /* polarity */ -#define IT8801_GPIOPDE BIT(1) /* pull-down enable */ -#define IT8801_GPIOPUE BIT(0) /* pull-up enable */ - -/* ISR for IT8801's SMB_INT# */ -void io_expander_it8801_interrupt(enum gpio_signal signal); - -#ifdef CONFIG_IO_EXPANDER_IT8801_PWM - -/* Mapping PWM_CH_LED_* to it8801 channel */ -struct it8801_pwm_t { - int index; -}; - -extern const struct it8801_pwm_t it8801_pwm_channels[]; -extern const struct kblight_drv kblight_it8801; - -/* standard pwm interface as defined in pwm.h */ -void it8801_pwm_enable(enum pwm_channel ch, int enabled); -int it8801_pwm_get_enabled(enum pwm_channel ch); -void it8801_pwm_set_raw_duty(enum pwm_channel ch, uint16_t duty); -uint16_t it8801_pwm_get_raw_duty(enum pwm_channel ch); -void it8801_pwm_set_duty(enum pwm_channel ch, int percent); -int it8801_pwm_get_duty(enum pwm_channel ch); - -#define IT8801_REG_PWMODDSR 0x5F -#define IT8801_REG_PWMMCR(n) (0x60 + ((n) - 1) * 8) -#define IT8801_REG_PWMDCR(n) (0x64 + ((n) - 1) * 8) -#define IT8801_REG_PWMPRSL(n) (0x66 + ((n) - 1) * 8) -#define IT8801_REG_PWMPRSM(n) (0x67 + ((n) - 1) * 8) - -#define IT8801_PWMMCR_MCR_MASK 0x3 -#define IT8801_PWMMCR_MCR_OFF 0 -#define IT8801_PWMMCR_MCR_BLINKING 1 -#define IT8801_PWMMCR_MCR_BREATHING 2 -#define IT8801_PWMMCR_MCR_ON 3 - -#endif /* CONFIG_IO_EXPANDER_IT8801_PWM */ - -#endif /* __CROS_EC_KBEXPANDER_IT8801_H */ |