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/*
lan7800-led-ctl - control LEDs of LAN7800 ethernet/usb controllers
Copyright (C) 2018 Dominic Radermacher <dominic@familie-radermacher.ch>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3 as
published by the Free Software Foundation
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define USB_CTRL_TIMEOUT (5000)
#define LAN7800_VENDOR_ID (0x0424)
#define LAN7800_PRODUCT_ID (0x7800)
/* values from LAN7800 databook */
#define USB_VENDOR_REQUEST_WR_REG (0xa0)
#define USB_VENDOR_REQUEST_RD_REG (0xa1)
/* register adresses - from LAN7800 databook */
#define REG_HW_CFG (0x10) /* hardware config register */
/* bit 20-23: LED0-LED3 enable */
#define REG_GPIO_CFG0 (0x18)
/* meaning of the (relevant) bits in the HW_CFG register */
#define HW_CFG_LED0_EN (1<<20)
#define HW_CFG_LED1_EN (1<<21)
#define HW_CFG_LED2_EN (1<<22)
#define HW_CFG_LED3_EN (1<<23)
/* meaning of the (relevant) bits in the GPIO_CFG0 register */
#define GPIO_CFG0_GPIOEN0 (1<<12)
#define GPIO_CFG0_GPIOEN1 (1<<13)
#define GPIO_CFG0_GPIOBUF0 (1<<8)
#define GPIO_CFG0_GPIOBUF1 (1<<9)
#define GPIO_CFG0_GPIODIR0 (1<<4)
#define GPIO_CFG0_GPIODIR1 (1<<5)
#define GPIO_CFG0_GPIOD0 (1<<0)
#define GPIO_CFG0_GPIOD1 (1<<1)
/* */
#define HW_CFG_LED_EN (HW_CFG_LED0_EN|HW_CFG_LED1_EN)
#define LED0_MASK (HW_CFG_LED0_EN|GPIO_CFG0_GPIOD0|GPIO_CFG0_GPIODIR0|GPIO_CFG0_GPIOBUF0|GPIO_CFG0_GPIOEN0)
#define LED1_MASK (HW_CFG_LED1_EN|GPIO_CFG0_GPIOD1|GPIO_CFG0_GPIODIR1|GPIO_CFG0_GPIOBUF1|GPIO_CFG0_GPIOEN1)
#define MODE_OFF 0
#define MODE_ON 1
#define MODE_STATUS 2
#define MODE_KEEP 4
#define MODE_ERR -1
void usage(void);
void about(void);
int ledmode(const char* str);
int parse_args(int argc, char **argv);
libusb_device_handle *usbdev_open(int vid, int pid);
int lan7800_rd_reg(libusb_device_handle *h, uint16_t reg, uint32_t *val);
int lan7800_wr_reg(libusb_device_handle *h, uint16_t reg, uint32_t val);
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