2017-11-03 10:28:30 +00:00
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// SPDX-License-Identifier: GPL-2.0
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2012-02-28 21:36:35 +00:00
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/*
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* Fintek F81232 USB to serial adaptor driver
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2020-01-30 05:47:50 +00:00
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* Fintek F81532A/534A/535/536 USB to 2/4/8/12 serial adaptor driver
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2012-02-28 21:36:35 +00:00
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*
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* Copyright (C) 2012 Greg Kroah-Hartman (gregkh@linuxfoundation.org)
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* Copyright (C) 2012 Linux Foundation
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/tty.h>
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#include <linux/tty_driver.h>
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#include <linux/tty_flip.h>
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#include <linux/serial.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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2015-03-17 09:48:21 +00:00
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#include <linux/mutex.h>
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2012-02-28 21:36:35 +00:00
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#include <linux/uaccess.h>
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#include <linux/usb.h>
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#include <linux/usb/serial.h>
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2015-03-17 09:48:20 +00:00
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#include <linux/serial_reg.h>
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2012-02-28 21:36:35 +00:00
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2020-01-30 05:47:50 +00:00
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#define F81232_ID \
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{ USB_DEVICE(0x1934, 0x0706) } /* 1 port UART device */
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#define F81534A_SERIES_ID \
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{ USB_DEVICE(0x2c42, 0x1602) }, /* In-Box 2 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1604) }, /* In-Box 4 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1605) }, /* In-Box 8 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1606) }, /* In-Box 12 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1608) }, /* Non-Flash type */ \
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{ USB_DEVICE(0x2c42, 0x1632) }, /* 2 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1634) }, /* 4 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1635) }, /* 8 port UART device */ \
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{ USB_DEVICE(0x2c42, 0x1636) } /* 12 port UART device */
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2020-03-12 03:44:31 +00:00
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#define F81534A_CTRL_ID \
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{ USB_DEVICE(0x2c42, 0x16f8) } /* Global control device */
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2020-01-30 05:47:50 +00:00
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static const struct usb_device_id f81232_id_table[] = {
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F81232_ID,
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2012-02-28 21:36:35 +00:00
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{ } /* Terminating entry */
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};
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2020-01-30 05:47:50 +00:00
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static const struct usb_device_id f81534a_id_table[] = {
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F81534A_SERIES_ID,
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{ } /* Terminating entry */
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};
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2020-03-12 03:44:31 +00:00
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static const struct usb_device_id f81534a_ctrl_id_table[] = {
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F81534A_CTRL_ID,
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{ } /* Terminating entry */
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};
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2020-01-30 05:47:50 +00:00
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static const struct usb_device_id combined_id_table[] = {
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F81232_ID,
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F81534A_SERIES_ID,
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2020-03-12 03:44:31 +00:00
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F81534A_CTRL_ID,
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2020-01-30 05:47:50 +00:00
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, combined_id_table);
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2012-02-28 21:36:35 +00:00
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2015-03-17 09:48:25 +00:00
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/* Maximum baudrate for F81232 */
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2019-04-30 01:22:31 +00:00
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#define F81232_MAX_BAUDRATE 1500000
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#define F81232_DEF_BAUDRATE 9600
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2015-03-17 09:48:25 +00:00
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2015-03-17 09:48:22 +00:00
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/* USB Control EP parameter */
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2015-03-27 16:33:38 +00:00
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#define F81232_REGISTER_REQUEST 0xa0
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2015-03-17 09:48:22 +00:00
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#define F81232_GET_REGISTER 0xc0
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2015-03-17 09:48:23 +00:00
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#define F81232_SET_REGISTER 0x40
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2020-03-12 03:44:31 +00:00
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#define F81534A_ACCESS_REG_RETRY 2
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2015-03-17 09:48:22 +00:00
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2015-03-27 16:33:38 +00:00
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#define SERIAL_BASE_ADDRESS 0x0120
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2015-03-17 09:48:25 +00:00
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#define RECEIVE_BUFFER_REGISTER (0x00 + SERIAL_BASE_ADDRESS)
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2015-03-17 09:48:24 +00:00
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#define INTERRUPT_ENABLE_REGISTER (0x01 + SERIAL_BASE_ADDRESS)
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#define FIFO_CONTROL_REGISTER (0x02 + SERIAL_BASE_ADDRESS)
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2015-03-17 09:48:25 +00:00
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#define LINE_CONTROL_REGISTER (0x03 + SERIAL_BASE_ADDRESS)
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2015-03-17 09:48:23 +00:00
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#define MODEM_CONTROL_REGISTER (0x04 + SERIAL_BASE_ADDRESS)
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2019-04-30 01:22:30 +00:00
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#define LINE_STATUS_REGISTER (0x05 + SERIAL_BASE_ADDRESS)
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2015-03-17 09:48:22 +00:00
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#define MODEM_STATUS_REGISTER (0x06 + SERIAL_BASE_ADDRESS)
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2019-04-30 01:22:31 +00:00
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/*
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* F81232 Clock registers (106h)
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*
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* Bit1-0: Clock source selector
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* 00: 1.846MHz.
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* 01: 18.46MHz.
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* 10: 24MHz.
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* 11: 14.77MHz.
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*/
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#define F81232_CLK_REGISTER 0x106
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#define F81232_CLK_1_846_MHZ 0
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#define F81232_CLK_18_46_MHZ BIT(0)
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#define F81232_CLK_24_MHZ BIT(1)
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#define F81232_CLK_14_77_MHZ (BIT(1) | BIT(0))
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#define F81232_CLK_MASK GENMASK(1, 0)
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2020-01-30 05:47:50 +00:00
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#define F81534A_MODE_REG 0x107
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#define F81534A_TRIGGER_MASK GENMASK(3, 2)
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#define F81534A_TRIGGER_MULTIPLE_4X BIT(3)
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#define F81534A_FIFO_128BYTE (BIT(1) | BIT(0))
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2020-01-30 05:47:51 +00:00
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/* Serial port self GPIO control, 2bytes [control&output data][input data] */
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#define F81534A_GPIO_REG 0x10e
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#define F81534A_GPIO_MODE2_DIR BIT(6) /* 1: input, 0: output */
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#define F81534A_GPIO_MODE1_DIR BIT(5)
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#define F81534A_GPIO_MODE0_DIR BIT(4)
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#define F81534A_GPIO_MODE2_OUTPUT BIT(2)
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#define F81534A_GPIO_MODE1_OUTPUT BIT(1)
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#define F81534A_GPIO_MODE0_OUTPUT BIT(0)
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2020-03-12 03:44:31 +00:00
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#define F81534A_CTRL_CMD_ENABLE_PORT 0x116
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2012-02-28 21:36:35 +00:00
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struct f81232_private {
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2015-03-17 09:48:21 +00:00
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struct mutex lock;
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2015-03-17 09:48:23 +00:00
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u8 modem_control;
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2015-03-17 09:48:19 +00:00
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u8 modem_status;
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2019-04-30 01:22:32 +00:00
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u8 shadow_lcr;
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2019-04-30 01:22:31 +00:00
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speed_t baud_base;
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2019-04-30 01:22:30 +00:00
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struct work_struct lsr_work;
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2015-03-17 09:48:22 +00:00
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struct work_struct interrupt_work;
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struct usb_serial_port *port;
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2012-02-28 21:36:35 +00:00
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};
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2019-04-30 01:22:31 +00:00
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static u32 const baudrate_table[] = { 115200, 921600, 1152000, 1500000 };
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static u8 const clock_table[] = { F81232_CLK_1_846_MHZ, F81232_CLK_14_77_MHZ,
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F81232_CLK_18_46_MHZ, F81232_CLK_24_MHZ };
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static int calc_baud_divisor(speed_t baudrate, speed_t clockrate)
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2015-03-17 09:48:25 +00:00
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{
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2019-04-30 01:22:31 +00:00
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return DIV_ROUND_CLOSEST(clockrate, baudrate);
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2015-03-17 09:48:25 +00:00
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}
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2015-03-17 09:48:22 +00:00
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static int f81232_get_register(struct usb_serial_port *port, u16 reg, u8 *val)
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{
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int status;
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struct usb_device *dev = port->serial->dev;
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2021-08-01 20:31:19 +00:00
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status = usb_control_msg_recv(dev,
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0,
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F81232_REGISTER_REQUEST,
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F81232_GET_REGISTER,
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reg,
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0,
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val,
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sizeof(*val),
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USB_CTRL_GET_TIMEOUT,
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GFP_KERNEL);
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if (status) {
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2015-03-17 09:48:22 +00:00
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dev_err(&port->dev, "%s failed status: %d\n", __func__, status);
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2021-08-01 20:31:19 +00:00
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status = usb_translate_errors(status);
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2015-03-17 09:48:22 +00:00
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}
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return status;
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}
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2015-03-17 09:48:23 +00:00
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static int f81232_set_register(struct usb_serial_port *port, u16 reg, u8 val)
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{
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int status;
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struct usb_device *dev = port->serial->dev;
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2021-08-01 20:31:19 +00:00
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status = usb_control_msg_send(dev,
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0,
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F81232_REGISTER_REQUEST,
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F81232_SET_REGISTER,
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reg,
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0,
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&val,
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sizeof(val),
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USB_CTRL_SET_TIMEOUT,
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GFP_KERNEL);
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if (status) {
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2015-03-17 09:48:23 +00:00
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dev_err(&port->dev, "%s failed status: %d\n", __func__, status);
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2021-01-18 11:14:25 +00:00
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status = usb_translate_errors(status);
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2015-03-17 09:48:23 +00:00
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}
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return status;
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}
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2019-04-30 01:22:31 +00:00
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static int f81232_set_mask_register(struct usb_serial_port *port, u16 reg,
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u8 mask, u8 val)
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{
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int status;
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u8 tmp;
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status = f81232_get_register(port, reg, &tmp);
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if (status)
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return status;
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tmp = (tmp & ~mask) | (val & mask);
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return f81232_set_register(port, reg, tmp);
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}
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2015-03-17 09:48:22 +00:00
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static void f81232_read_msr(struct usb_serial_port *port)
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{
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int status;
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u8 current_msr;
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struct tty_struct *tty;
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struct f81232_private *priv = usb_get_serial_port_data(port);
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mutex_lock(&priv->lock);
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status = f81232_get_register(port, MODEM_STATUS_REGISTER,
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¤t_msr);
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if (status) {
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dev_err(&port->dev, "%s fail, status: %d\n", __func__, status);
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mutex_unlock(&priv->lock);
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return;
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}
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if (!(current_msr & UART_MSR_ANY_DELTA)) {
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mutex_unlock(&priv->lock);
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return;
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}
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priv->modem_status = current_msr;
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if (current_msr & UART_MSR_DCTS)
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port->icount.cts++;
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if (current_msr & UART_MSR_DDSR)
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port->icount.dsr++;
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if (current_msr & UART_MSR_TERI)
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port->icount.rng++;
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if (current_msr & UART_MSR_DDCD) {
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port->icount.dcd++;
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tty = tty_port_tty_get(&port->port);
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if (tty) {
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usb_serial_handle_dcd_change(port, tty,
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current_msr & UART_MSR_DCD);
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tty_kref_put(tty);
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}
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}
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wake_up_interruptible(&port->port.delta_msr_wait);
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mutex_unlock(&priv->lock);
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}
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2015-03-17 09:48:23 +00:00
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static int f81232_set_mctrl(struct usb_serial_port *port,
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unsigned int set, unsigned int clear)
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{
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u8 val;
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int status;
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struct f81232_private *priv = usb_get_serial_port_data(port);
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if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0)
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return 0; /* no change */
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/* 'set' takes precedence over 'clear' */
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clear &= ~set;
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/* force enable interrupt with OUT2 */
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mutex_lock(&priv->lock);
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val = UART_MCR_OUT2 | priv->modem_control;
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if (clear & TIOCM_DTR)
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val &= ~UART_MCR_DTR;
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if (clear & TIOCM_RTS)
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val &= ~UART_MCR_RTS;
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if (set & TIOCM_DTR)
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val |= UART_MCR_DTR;
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if (set & TIOCM_RTS)
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val |= UART_MCR_RTS;
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dev_dbg(&port->dev, "%s new:%02x old:%02x\n", __func__,
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val, priv->modem_control);
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status = f81232_set_register(port, MODEM_CONTROL_REGISTER, val);
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if (status) {
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dev_err(&port->dev, "%s set MCR status < 0\n", __func__);
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mutex_unlock(&priv->lock);
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return status;
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}
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priv->modem_control = val;
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mutex_unlock(&priv->lock);
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return 0;
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}
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2012-02-28 21:36:35 +00:00
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static void f81232_update_line_status(struct usb_serial_port *port,
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unsigned char *data,
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2015-03-17 09:48:22 +00:00
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size_t actual_length)
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2012-02-28 21:36:35 +00:00
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{
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2015-03-17 09:48:22 +00:00
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struct f81232_private *priv = usb_get_serial_port_data(port);
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if (!actual_length)
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return;
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switch (data[0] & 0x07) {
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case 0x00: /* msr change */
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dev_dbg(&port->dev, "IIR: MSR Change: %02x\n", data[0]);
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schedule_work(&priv->interrupt_work);
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break;
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case 0x02: /* tx-empty */
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break;
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case 0x04: /* rx data available */
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break;
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case 0x06: /* lsr change */
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/* we can forget it. the LSR will read from bulk-in */
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dev_dbg(&port->dev, "IIR: LSR Change: %02x\n", data[0]);
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break;
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}
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2012-02-28 21:36:35 +00:00
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|
}
|
|
|
|
|
|
|
|
static void f81232_read_int_callback(struct urb *urb)
|
|
|
|
{
|
|
|
|
struct usb_serial_port *port = urb->context;
|
|
|
|
unsigned char *data = urb->transfer_buffer;
|
|
|
|
unsigned int actual_length = urb->actual_length;
|
|
|
|
int status = urb->status;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
switch (status) {
|
|
|
|
case 0:
|
|
|
|
/* success */
|
|
|
|
break;
|
|
|
|
case -ECONNRESET:
|
|
|
|
case -ENOENT:
|
|
|
|
case -ESHUTDOWN:
|
|
|
|
/* this urb is terminated, clean up */
|
2012-05-15 23:27:17 +00:00
|
|
|
dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
|
|
|
|
__func__, status);
|
2012-02-28 21:36:35 +00:00
|
|
|
return;
|
|
|
|
default:
|
2012-05-15 23:27:17 +00:00
|
|
|
dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
|
|
|
|
__func__, status);
|
2012-02-28 21:36:35 +00:00
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2012-09-18 08:58:57 +00:00
|
|
|
usb_serial_debug_data(&port->dev, __func__,
|
2012-02-28 21:36:35 +00:00
|
|
|
urb->actual_length, urb->transfer_buffer);
|
|
|
|
|
|
|
|
f81232_update_line_status(port, data, actual_length);
|
|
|
|
|
|
|
|
exit:
|
|
|
|
retval = usb_submit_urb(urb, GFP_ATOMIC);
|
|
|
|
if (retval)
|
|
|
|
dev_err(&urb->dev->dev,
|
|
|
|
"%s - usb_submit_urb failed with result %d\n",
|
|
|
|
__func__, retval);
|
|
|
|
}
|
|
|
|
|
2020-01-30 05:47:47 +00:00
|
|
|
static char f81232_handle_lsr(struct usb_serial_port *port, u8 lsr)
|
|
|
|
{
|
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
|
|
|
char tty_flag = TTY_NORMAL;
|
|
|
|
|
|
|
|
if (!(lsr & UART_LSR_BRK_ERROR_BITS))
|
|
|
|
return tty_flag;
|
|
|
|
|
|
|
|
if (lsr & UART_LSR_BI) {
|
|
|
|
tty_flag = TTY_BREAK;
|
|
|
|
port->icount.brk++;
|
|
|
|
usb_serial_handle_break(port);
|
|
|
|
} else if (lsr & UART_LSR_PE) {
|
|
|
|
tty_flag = TTY_PARITY;
|
|
|
|
port->icount.parity++;
|
|
|
|
} else if (lsr & UART_LSR_FE) {
|
|
|
|
tty_flag = TTY_FRAME;
|
|
|
|
port->icount.frame++;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lsr & UART_LSR_OE) {
|
|
|
|
port->icount.overrun++;
|
|
|
|
schedule_work(&priv->lsr_work);
|
|
|
|
tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
|
|
|
|
}
|
|
|
|
|
|
|
|
return tty_flag;
|
|
|
|
}
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static void f81232_process_read_urb(struct urb *urb)
|
|
|
|
{
|
|
|
|
struct usb_serial_port *port = urb->context;
|
|
|
|
unsigned char *data = urb->transfer_buffer;
|
2015-03-17 09:48:20 +00:00
|
|
|
char tty_flag;
|
|
|
|
unsigned int i;
|
|
|
|
u8 lsr;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* When opening the port we get a 1-byte packet with the current LSR,
|
|
|
|
* which we discard.
|
|
|
|
*/
|
|
|
|
if ((urb->actual_length < 2) || (urb->actual_length % 2))
|
2012-02-28 21:36:35 +00:00
|
|
|
return;
|
|
|
|
|
2015-03-17 09:48:20 +00:00
|
|
|
/* bulk-in data: [LSR(1Byte)+DATA(1Byte)][LSR(1Byte)+DATA(1Byte)]... */
|
|
|
|
|
|
|
|
for (i = 0; i < urb->actual_length; i += 2) {
|
|
|
|
lsr = data[i];
|
2020-01-30 05:47:47 +00:00
|
|
|
tty_flag = f81232_handle_lsr(port, lsr);
|
2015-03-17 09:48:20 +00:00
|
|
|
|
2020-07-08 12:49:54 +00:00
|
|
|
if (port->sysrq) {
|
2015-03-17 09:48:20 +00:00
|
|
|
if (usb_serial_handle_sysrq_char(port, data[i + 1]))
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
tty_insert_flip_char(&port->port, data[i + 1], tty_flag);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2013-01-03 14:53:06 +00:00
|
|
|
tty_flip_buffer_push(&port->port);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2020-01-30 05:47:50 +00:00
|
|
|
static void f81534a_process_read_urb(struct urb *urb)
|
|
|
|
{
|
|
|
|
struct usb_serial_port *port = urb->context;
|
|
|
|
unsigned char *data = urb->transfer_buffer;
|
|
|
|
char tty_flag;
|
|
|
|
unsigned int i;
|
|
|
|
u8 lsr;
|
|
|
|
u8 len;
|
|
|
|
|
|
|
|
if (urb->actual_length < 3) {
|
|
|
|
dev_err(&port->dev, "short message received: %d\n",
|
|
|
|
urb->actual_length);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
len = data[0];
|
|
|
|
if (len != urb->actual_length) {
|
|
|
|
dev_err(&port->dev, "malformed message received: %d (%d)\n",
|
|
|
|
urb->actual_length, len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* bulk-in data: [LEN][Data.....][LSR] */
|
|
|
|
lsr = data[len - 1];
|
|
|
|
tty_flag = f81232_handle_lsr(port, lsr);
|
|
|
|
|
2020-07-08 12:49:54 +00:00
|
|
|
if (port->sysrq) {
|
2020-01-30 05:47:50 +00:00
|
|
|
for (i = 1; i < len - 1; ++i) {
|
|
|
|
if (!usb_serial_handle_sysrq_char(port, data[i])) {
|
|
|
|
tty_insert_flip_char(&port->port, data[i],
|
|
|
|
tty_flag);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
tty_insert_flip_string_fixed_flag(&port->port, &data[1],
|
|
|
|
tty_flag, len - 2);
|
|
|
|
}
|
|
|
|
|
|
|
|
tty_flip_buffer_push(&port->port);
|
|
|
|
}
|
|
|
|
|
2023-06-04 12:35:03 +00:00
|
|
|
static int f81232_break_ctl(struct tty_struct *tty, int break_state)
|
2012-02-28 21:36:35 +00:00
|
|
|
{
|
2019-04-30 01:22:32 +00:00
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
|
|
|
int status;
|
2012-02-28 21:36:35 +00:00
|
|
|
|
2019-04-30 01:22:32 +00:00
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
|
|
|
|
if (break_state)
|
|
|
|
priv->shadow_lcr |= UART_LCR_SBC;
|
|
|
|
else
|
|
|
|
priv->shadow_lcr &= ~UART_LCR_SBC;
|
|
|
|
|
|
|
|
status = f81232_set_register(port, LINE_CONTROL_REGISTER,
|
|
|
|
priv->shadow_lcr);
|
|
|
|
if (status)
|
|
|
|
dev_err(&port->dev, "set break failed: %d\n", status);
|
|
|
|
|
|
|
|
mutex_unlock(&priv->lock);
|
2023-06-04 12:35:03 +00:00
|
|
|
|
|
|
|
return status;
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2019-04-30 01:22:31 +00:00
|
|
|
static int f81232_find_clk(speed_t baudrate)
|
|
|
|
{
|
|
|
|
int idx;
|
|
|
|
|
|
|
|
for (idx = 0; idx < ARRAY_SIZE(baudrate_table); ++idx) {
|
|
|
|
if (baudrate <= baudrate_table[idx] &&
|
|
|
|
baudrate_table[idx] % baudrate == 0)
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void f81232_set_baudrate(struct tty_struct *tty,
|
|
|
|
struct usb_serial_port *port, speed_t baudrate,
|
|
|
|
speed_t old_baudrate)
|
2015-03-17 09:48:25 +00:00
|
|
|
{
|
2019-04-30 01:22:31 +00:00
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
2015-03-17 09:48:25 +00:00
|
|
|
u8 lcr;
|
2015-03-27 16:33:38 +00:00
|
|
|
int divisor;
|
|
|
|
int status = 0;
|
2019-04-30 01:22:31 +00:00
|
|
|
int i;
|
|
|
|
int idx;
|
|
|
|
speed_t baud_list[] = { baudrate, old_baudrate, F81232_DEF_BAUDRATE };
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(baud_list); ++i) {
|
2022-11-29 14:17:49 +00:00
|
|
|
baudrate = baud_list[i];
|
|
|
|
if (baudrate == 0) {
|
|
|
|
tty_encode_baud_rate(tty, 0, 0);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
idx = f81232_find_clk(baudrate);
|
2019-04-30 01:22:31 +00:00
|
|
|
if (idx >= 0) {
|
|
|
|
tty_encode_baud_rate(tty, baudrate, baudrate);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (idx < 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
priv->baud_base = baudrate_table[idx];
|
|
|
|
divisor = calc_baud_divisor(baudrate, priv->baud_base);
|
2015-03-17 09:48:25 +00:00
|
|
|
|
2019-04-30 01:22:31 +00:00
|
|
|
status = f81232_set_mask_register(port, F81232_CLK_REGISTER,
|
|
|
|
F81232_CLK_MASK, clock_table[idx]);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set CLK_REG: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return;
|
|
|
|
}
|
2015-03-17 09:48:25 +00:00
|
|
|
|
|
|
|
status = f81232_get_register(port, LINE_CONTROL_REGISTER,
|
|
|
|
&lcr); /* get LCR */
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to get LCR: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = f81232_set_register(port, LINE_CONTROL_REGISTER,
|
|
|
|
lcr | UART_LCR_DLAB); /* Enable DLAB */
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set DLAB: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = f81232_set_register(port, RECEIVE_BUFFER_REGISTER,
|
|
|
|
divisor & 0x00ff); /* low */
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set baudrate MSB: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
goto reapply_lcr;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = f81232_set_register(port, INTERRUPT_ENABLE_REGISTER,
|
|
|
|
(divisor & 0xff00) >> 8); /* high */
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set baudrate LSB: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
}
|
|
|
|
|
|
|
|
reapply_lcr:
|
|
|
|
status = f81232_set_register(port, LINE_CONTROL_REGISTER,
|
|
|
|
lcr & ~UART_LCR_DLAB);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set DLAB: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-03-17 09:48:24 +00:00
|
|
|
static int f81232_port_enable(struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
u8 val;
|
|
|
|
int status;
|
|
|
|
|
|
|
|
/* fifo on, trigger8, clear TX/RX*/
|
|
|
|
val = UART_FCR_TRIGGER_8 | UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR |
|
|
|
|
UART_FCR_CLEAR_XMIT;
|
|
|
|
|
|
|
|
status = f81232_set_register(port, FIFO_CONTROL_REGISTER, val);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set FCR: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* MSR Interrupt only, LSR will read from Bulk-in odd byte */
|
|
|
|
status = f81232_set_register(port, INTERRUPT_ENABLE_REGISTER,
|
|
|
|
UART_IER_MSI);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set IER: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int f81232_port_disable(struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
|
|
|
|
status = f81232_set_register(port, INTERRUPT_ENABLE_REGISTER, 0);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set IER: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static void f81232_set_termios(struct tty_struct *tty,
|
2022-08-16 11:57:38 +00:00
|
|
|
struct usb_serial_port *port,
|
|
|
|
const struct ktermios *old_termios)
|
2012-02-28 21:36:35 +00:00
|
|
|
{
|
2019-04-30 01:22:32 +00:00
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
2015-03-17 09:48:25 +00:00
|
|
|
u8 new_lcr = 0;
|
|
|
|
int status = 0;
|
|
|
|
speed_t baudrate;
|
2019-04-30 01:22:31 +00:00
|
|
|
speed_t old_baud;
|
2012-02-28 21:36:35 +00:00
|
|
|
|
|
|
|
/* Don't change anything if nothing has changed */
|
2013-06-10 16:29:37 +00:00
|
|
|
if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
|
2012-02-28 21:36:35 +00:00
|
|
|
return;
|
|
|
|
|
2015-03-17 09:48:25 +00:00
|
|
|
if (C_BAUD(tty) == B0)
|
|
|
|
f81232_set_mctrl(port, 0, TIOCM_DTR | TIOCM_RTS);
|
|
|
|
else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
|
|
|
|
f81232_set_mctrl(port, TIOCM_DTR | TIOCM_RTS, 0);
|
|
|
|
|
|
|
|
baudrate = tty_get_baud_rate(tty);
|
|
|
|
if (baudrate > 0) {
|
2019-04-30 01:22:31 +00:00
|
|
|
if (old_termios)
|
|
|
|
old_baud = tty_termios_baud_rate(old_termios);
|
|
|
|
else
|
|
|
|
old_baud = F81232_DEF_BAUDRATE;
|
|
|
|
|
|
|
|
f81232_set_baudrate(tty, port, baudrate, old_baud);
|
2015-03-17 09:48:25 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (C_PARENB(tty)) {
|
|
|
|
new_lcr |= UART_LCR_PARITY;
|
|
|
|
|
|
|
|
if (!C_PARODD(tty))
|
|
|
|
new_lcr |= UART_LCR_EPAR;
|
|
|
|
|
|
|
|
if (C_CMSPAR(tty))
|
|
|
|
new_lcr |= UART_LCR_SPAR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (C_CSTOPB(tty))
|
|
|
|
new_lcr |= UART_LCR_STOP;
|
|
|
|
|
2022-02-24 09:55:56 +00:00
|
|
|
new_lcr |= UART_LCR_WLEN(tty_get_char_size(tty->termios.c_cflag));
|
2015-03-17 09:48:25 +00:00
|
|
|
|
2019-04-30 01:22:32 +00:00
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
|
|
|
|
new_lcr |= (priv->shadow_lcr & UART_LCR_SBC);
|
2015-03-17 09:48:25 +00:00
|
|
|
status = f81232_set_register(port, LINE_CONTROL_REGISTER, new_lcr);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "%s failed to set LCR: %d\n",
|
|
|
|
__func__, status);
|
|
|
|
}
|
2019-04-30 01:22:32 +00:00
|
|
|
|
|
|
|
priv->shadow_lcr = new_lcr;
|
|
|
|
|
|
|
|
mutex_unlock(&priv->lock);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int f81232_tiocmget(struct tty_struct *tty)
|
|
|
|
{
|
2015-03-17 09:48:23 +00:00
|
|
|
int r;
|
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
|
struct f81232_private *port_priv = usb_get_serial_port_data(port);
|
|
|
|
u8 mcr, msr;
|
|
|
|
|
|
|
|
/* force get current MSR changed state */
|
|
|
|
f81232_read_msr(port);
|
|
|
|
|
|
|
|
mutex_lock(&port_priv->lock);
|
|
|
|
mcr = port_priv->modem_control;
|
|
|
|
msr = port_priv->modem_status;
|
|
|
|
mutex_unlock(&port_priv->lock);
|
|
|
|
|
|
|
|
r = (mcr & UART_MCR_DTR ? TIOCM_DTR : 0) |
|
|
|
|
(mcr & UART_MCR_RTS ? TIOCM_RTS : 0) |
|
|
|
|
(msr & UART_MSR_CTS ? TIOCM_CTS : 0) |
|
|
|
|
(msr & UART_MSR_DCD ? TIOCM_CAR : 0) |
|
|
|
|
(msr & UART_MSR_RI ? TIOCM_RI : 0) |
|
|
|
|
(msr & UART_MSR_DSR ? TIOCM_DSR : 0);
|
|
|
|
|
|
|
|
return r;
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int f81232_tiocmset(struct tty_struct *tty,
|
|
|
|
unsigned int set, unsigned int clear)
|
|
|
|
{
|
2015-03-17 09:48:23 +00:00
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
|
|
|
|
|
|
|
return f81232_set_mctrl(port, set, clear);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
int result;
|
|
|
|
|
2015-03-17 09:48:24 +00:00
|
|
|
result = f81232_port_enable(port);
|
|
|
|
if (result)
|
|
|
|
return result;
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
/* Setup termios */
|
|
|
|
if (tty)
|
2013-06-10 16:29:37 +00:00
|
|
|
f81232_set_termios(tty, port, NULL);
|
2012-02-28 21:36:35 +00:00
|
|
|
|
|
|
|
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
|
|
|
|
if (result) {
|
|
|
|
dev_err(&port->dev, "%s - failed submitting interrupt urb,"
|
|
|
|
" error %d\n", __func__, result);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
result = usb_serial_generic_open(tty, port);
|
|
|
|
if (result) {
|
|
|
|
usb_kill_urb(port->interrupt_in_urb);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2020-01-30 05:47:50 +00:00
|
|
|
static int f81534a_open(struct tty_struct *tty, struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
u8 mask;
|
|
|
|
u8 val;
|
|
|
|
|
|
|
|
val = F81534A_TRIGGER_MULTIPLE_4X | F81534A_FIFO_128BYTE;
|
|
|
|
mask = F81534A_TRIGGER_MASK | F81534A_FIFO_128BYTE;
|
|
|
|
|
|
|
|
status = f81232_set_mask_register(port, F81534A_MODE_REG, mask, val);
|
|
|
|
if (status) {
|
|
|
|
dev_err(&port->dev, "failed to set MODE_REG: %d\n", status);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
return f81232_open(tty, port);
|
|
|
|
}
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static void f81232_close(struct usb_serial_port *port)
|
|
|
|
{
|
2019-04-30 01:22:29 +00:00
|
|
|
struct f81232_private *port_priv = usb_get_serial_port_data(port);
|
|
|
|
|
2015-03-17 09:48:24 +00:00
|
|
|
f81232_port_disable(port);
|
2012-02-28 21:36:35 +00:00
|
|
|
usb_serial_generic_close(port);
|
|
|
|
usb_kill_urb(port->interrupt_in_urb);
|
2019-04-30 01:22:29 +00:00
|
|
|
flush_work(&port_priv->interrupt_work);
|
2019-04-30 01:22:30 +00:00
|
|
|
flush_work(&port_priv->lsr_work);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void f81232_dtr_rts(struct usb_serial_port *port, int on)
|
|
|
|
{
|
|
|
|
if (on)
|
2015-03-17 09:48:23 +00:00
|
|
|
f81232_set_mctrl(port, TIOCM_DTR | TIOCM_RTS, 0);
|
2012-02-28 21:36:35 +00:00
|
|
|
else
|
2015-03-17 09:48:23 +00:00
|
|
|
f81232_set_mctrl(port, 0, TIOCM_DTR | TIOCM_RTS);
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2020-01-30 05:47:48 +00:00
|
|
|
static bool f81232_tx_empty(struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
u8 tmp;
|
|
|
|
|
|
|
|
status = f81232_get_register(port, LINE_STATUS_REGISTER, &tmp);
|
|
|
|
if (!status) {
|
|
|
|
if ((tmp & UART_LSR_TEMT) != UART_LSR_TEMT)
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static int f81232_carrier_raised(struct usb_serial_port *port)
|
|
|
|
{
|
2015-03-17 09:48:23 +00:00
|
|
|
u8 msr;
|
2012-02-28 21:36:35 +00:00
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
2015-03-17 09:48:23 +00:00
|
|
|
|
|
|
|
mutex_lock(&priv->lock);
|
|
|
|
msr = priv->modem_status;
|
|
|
|
mutex_unlock(&priv->lock);
|
|
|
|
|
|
|
|
if (msr & UART_MSR_DCD)
|
2012-02-28 21:36:35 +00:00
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2021-04-07 10:39:21 +00:00
|
|
|
static void f81232_get_serial(struct tty_struct *tty, struct serial_struct *ss)
|
2012-02-28 21:36:35 +00:00
|
|
|
{
|
|
|
|
struct usb_serial_port *port = tty->driver_data;
|
2019-04-30 01:22:31 +00:00
|
|
|
struct f81232_private *priv = usb_get_serial_port_data(port);
|
2012-05-15 23:27:17 +00:00
|
|
|
|
2019-04-30 01:22:31 +00:00
|
|
|
ss->baud_base = priv->baud_base;
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2015-03-17 09:48:22 +00:00
|
|
|
static void f81232_interrupt_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct f81232_private *priv =
|
|
|
|
container_of(work, struct f81232_private, interrupt_work);
|
|
|
|
|
|
|
|
f81232_read_msr(priv->port);
|
|
|
|
}
|
|
|
|
|
2019-04-30 01:22:30 +00:00
|
|
|
static void f81232_lsr_worker(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct f81232_private *priv;
|
|
|
|
struct usb_serial_port *port;
|
|
|
|
int status;
|
|
|
|
u8 tmp;
|
|
|
|
|
|
|
|
priv = container_of(work, struct f81232_private, lsr_work);
|
|
|
|
port = priv->port;
|
|
|
|
|
|
|
|
status = f81232_get_register(port, LINE_STATUS_REGISTER, &tmp);
|
|
|
|
if (status)
|
|
|
|
dev_warn(&port->dev, "read LSR failed: %d\n", status);
|
|
|
|
}
|
|
|
|
|
2020-03-12 03:44:31 +00:00
|
|
|
static int f81534a_ctrl_set_register(struct usb_interface *intf, u16 reg,
|
|
|
|
u16 size, void *val)
|
|
|
|
{
|
|
|
|
struct usb_device *dev = interface_to_usbdev(intf);
|
|
|
|
int retry = F81534A_ACCESS_REG_RETRY;
|
|
|
|
int status;
|
|
|
|
|
|
|
|
while (retry--) {
|
2021-08-01 20:31:19 +00:00
|
|
|
status = usb_control_msg_send(dev,
|
|
|
|
0,
|
|
|
|
F81232_REGISTER_REQUEST,
|
|
|
|
F81232_SET_REGISTER,
|
|
|
|
reg,
|
|
|
|
0,
|
|
|
|
val,
|
|
|
|
size,
|
|
|
|
USB_CTRL_SET_TIMEOUT,
|
|
|
|
GFP_KERNEL);
|
|
|
|
if (status) {
|
2020-03-12 03:44:31 +00:00
|
|
|
status = usb_translate_errors(status);
|
|
|
|
if (status == -EIO)
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (status) {
|
|
|
|
dev_err(&intf->dev, "failed to set register 0x%x: %d\n",
|
|
|
|
reg, status);
|
|
|
|
}
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int f81534a_ctrl_enable_all_ports(struct usb_interface *intf, bool en)
|
|
|
|
{
|
|
|
|
unsigned char enable[2] = {0};
|
|
|
|
int status;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Enable all available serial ports, define as following:
|
|
|
|
* bit 15 : Reset behavior (when HUB got soft reset)
|
|
|
|
* 0: maintain all serial port enabled state.
|
|
|
|
* 1: disable all serial port.
|
|
|
|
* bit 0~11 : Serial port enable bit.
|
|
|
|
*/
|
|
|
|
if (en) {
|
|
|
|
enable[0] = 0xff;
|
|
|
|
enable[1] = 0x8f;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = f81534a_ctrl_set_register(intf, F81534A_CTRL_CMD_ENABLE_PORT,
|
|
|
|
sizeof(enable), enable);
|
|
|
|
if (status)
|
|
|
|
dev_err(&intf->dev, "failed to enable ports: %d\n", status);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int f81534a_ctrl_probe(struct usb_interface *intf,
|
|
|
|
const struct usb_device_id *id)
|
|
|
|
{
|
|
|
|
return f81534a_ctrl_enable_all_ports(intf, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void f81534a_ctrl_disconnect(struct usb_interface *intf)
|
|
|
|
{
|
|
|
|
f81534a_ctrl_enable_all_ports(intf, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int f81534a_ctrl_resume(struct usb_interface *intf)
|
|
|
|
{
|
|
|
|
return f81534a_ctrl_enable_all_ports(intf, true);
|
|
|
|
}
|
|
|
|
|
2012-10-17 11:34:56 +00:00
|
|
|
static int f81232_port_probe(struct usb_serial_port *port)
|
2012-02-28 21:36:35 +00:00
|
|
|
{
|
|
|
|
struct f81232_private *priv;
|
|
|
|
|
2020-01-30 05:47:49 +00:00
|
|
|
priv = devm_kzalloc(&port->dev, sizeof(*priv), GFP_KERNEL);
|
2012-10-17 11:34:56 +00:00
|
|
|
if (!priv)
|
|
|
|
return -ENOMEM;
|
2012-02-28 21:36:35 +00:00
|
|
|
|
2015-03-17 09:48:21 +00:00
|
|
|
mutex_init(&priv->lock);
|
2015-03-17 09:48:22 +00:00
|
|
|
INIT_WORK(&priv->interrupt_work, f81232_interrupt_work);
|
2019-04-30 01:22:30 +00:00
|
|
|
INIT_WORK(&priv->lsr_work, f81232_lsr_worker);
|
2012-10-17 11:34:56 +00:00
|
|
|
|
|
|
|
usb_set_serial_port_data(port, priv);
|
|
|
|
|
2015-03-17 09:48:22 +00:00
|
|
|
priv->port = port;
|
2013-06-26 14:47:23 +00:00
|
|
|
|
2012-10-17 11:34:56 +00:00
|
|
|
return 0;
|
2012-02-28 21:36:35 +00:00
|
|
|
}
|
|
|
|
|
2020-01-30 05:47:51 +00:00
|
|
|
static int f81534a_port_probe(struct usb_serial_port *port)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
|
|
|
|
/* tri-state with pull-high, default RS232 Mode */
|
|
|
|
status = f81232_set_register(port, F81534A_GPIO_REG,
|
|
|
|
F81534A_GPIO_MODE2_DIR);
|
|
|
|
if (status)
|
|
|
|
return status;
|
|
|
|
|
|
|
|
return f81232_port_probe(port);
|
|
|
|
}
|
|
|
|
|
2019-04-30 01:22:29 +00:00
|
|
|
static int f81232_suspend(struct usb_serial *serial, pm_message_t message)
|
|
|
|
{
|
|
|
|
struct usb_serial_port *port = serial->port[0];
|
|
|
|
struct f81232_private *port_priv = usb_get_serial_port_data(port);
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i)
|
|
|
|
usb_kill_urb(port->read_urbs[i]);
|
|
|
|
|
|
|
|
usb_kill_urb(port->interrupt_in_urb);
|
|
|
|
|
2019-04-30 01:22:30 +00:00
|
|
|
if (port_priv) {
|
2019-04-30 01:22:29 +00:00
|
|
|
flush_work(&port_priv->interrupt_work);
|
2019-04-30 01:22:30 +00:00
|
|
|
flush_work(&port_priv->lsr_work);
|
|
|
|
}
|
2019-04-30 01:22:29 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int f81232_resume(struct usb_serial *serial)
|
|
|
|
{
|
|
|
|
struct usb_serial_port *port = serial->port[0];
|
|
|
|
int result;
|
|
|
|
|
|
|
|
if (tty_port_initialized(&port->port)) {
|
|
|
|
result = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
|
|
|
|
if (result) {
|
|
|
|
dev_err(&port->dev, "submit interrupt urb failed: %d\n",
|
|
|
|
result);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return usb_serial_generic_resume(serial);
|
|
|
|
}
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static struct usb_serial_driver f81232_device = {
|
|
|
|
.driver = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.name = "f81232",
|
|
|
|
},
|
2020-01-30 05:47:50 +00:00
|
|
|
.id_table = f81232_id_table,
|
2012-02-28 21:36:35 +00:00
|
|
|
.num_ports = 1,
|
|
|
|
.bulk_in_size = 256,
|
|
|
|
.bulk_out_size = 256,
|
|
|
|
.open = f81232_open,
|
|
|
|
.close = f81232_close,
|
2015-03-27 16:33:38 +00:00
|
|
|
.dtr_rts = f81232_dtr_rts,
|
2012-02-28 21:36:35 +00:00
|
|
|
.carrier_raised = f81232_carrier_raised,
|
2021-04-07 10:39:21 +00:00
|
|
|
.get_serial = f81232_get_serial,
|
2012-02-28 21:36:35 +00:00
|
|
|
.break_ctl = f81232_break_ctl,
|
|
|
|
.set_termios = f81232_set_termios,
|
|
|
|
.tiocmget = f81232_tiocmget,
|
|
|
|
.tiocmset = f81232_tiocmset,
|
2013-12-29 18:22:58 +00:00
|
|
|
.tiocmiwait = usb_serial_generic_tiocmiwait,
|
2020-01-30 05:47:48 +00:00
|
|
|
.tx_empty = f81232_tx_empty,
|
2012-02-28 21:36:35 +00:00
|
|
|
.process_read_urb = f81232_process_read_urb,
|
|
|
|
.read_int_callback = f81232_read_int_callback,
|
2012-10-17 11:34:56 +00:00
|
|
|
.port_probe = f81232_port_probe,
|
2019-04-30 01:22:29 +00:00
|
|
|
.suspend = f81232_suspend,
|
|
|
|
.resume = f81232_resume,
|
2012-02-28 21:36:35 +00:00
|
|
|
};
|
|
|
|
|
2020-01-30 05:47:50 +00:00
|
|
|
static struct usb_serial_driver f81534a_device = {
|
|
|
|
.driver = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.name = "f81534a",
|
|
|
|
},
|
|
|
|
.id_table = f81534a_id_table,
|
|
|
|
.num_ports = 1,
|
|
|
|
.open = f81534a_open,
|
|
|
|
.close = f81232_close,
|
|
|
|
.dtr_rts = f81232_dtr_rts,
|
|
|
|
.carrier_raised = f81232_carrier_raised,
|
2021-04-07 10:39:21 +00:00
|
|
|
.get_serial = f81232_get_serial,
|
2020-01-30 05:47:50 +00:00
|
|
|
.break_ctl = f81232_break_ctl,
|
|
|
|
.set_termios = f81232_set_termios,
|
|
|
|
.tiocmget = f81232_tiocmget,
|
|
|
|
.tiocmset = f81232_tiocmset,
|
|
|
|
.tiocmiwait = usb_serial_generic_tiocmiwait,
|
|
|
|
.tx_empty = f81232_tx_empty,
|
|
|
|
.process_read_urb = f81534a_process_read_urb,
|
|
|
|
.read_int_callback = f81232_read_int_callback,
|
2020-01-30 05:47:51 +00:00
|
|
|
.port_probe = f81534a_port_probe,
|
2020-01-30 05:47:50 +00:00
|
|
|
.suspend = f81232_suspend,
|
|
|
|
.resume = f81232_resume,
|
|
|
|
};
|
|
|
|
|
2012-02-28 21:36:35 +00:00
|
|
|
static struct usb_serial_driver * const serial_drivers[] = {
|
|
|
|
&f81232_device,
|
2020-01-30 05:47:50 +00:00
|
|
|
&f81534a_device,
|
2012-02-28 21:36:35 +00:00
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
|
2020-03-12 03:44:31 +00:00
|
|
|
static struct usb_driver f81534a_ctrl_driver = {
|
|
|
|
.name = "f81534a_ctrl",
|
|
|
|
.id_table = f81534a_ctrl_id_table,
|
|
|
|
.probe = f81534a_ctrl_probe,
|
|
|
|
.disconnect = f81534a_ctrl_disconnect,
|
|
|
|
.resume = f81534a_ctrl_resume,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init f81232_init(void)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
|
|
|
|
status = usb_register_driver(&f81534a_ctrl_driver, THIS_MODULE,
|
|
|
|
KBUILD_MODNAME);
|
|
|
|
if (status)
|
|
|
|
return status;
|
|
|
|
|
|
|
|
status = usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME,
|
|
|
|
combined_id_table);
|
|
|
|
if (status) {
|
|
|
|
usb_deregister(&f81534a_ctrl_driver);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit f81232_exit(void)
|
|
|
|
{
|
|
|
|
usb_serial_deregister_drivers(serial_drivers);
|
|
|
|
usb_deregister(&f81534a_ctrl_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(f81232_init);
|
|
|
|
module_exit(f81232_exit);
|
2012-02-28 21:36:35 +00:00
|
|
|
|
2020-01-30 05:47:50 +00:00
|
|
|
MODULE_DESCRIPTION("Fintek F81232/532A/534A/535/536 USB to serial driver");
|
2015-03-17 09:48:28 +00:00
|
|
|
MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@linuxfoundation.org>");
|
|
|
|
MODULE_AUTHOR("Peter Hong <peter_hong@fintek.com.tw>");
|
2012-02-28 21:36:35 +00:00
|
|
|
MODULE_LICENSE("GPL v2");
|