Remove unused cctools code paths for old libusb and cp2103 ioctls.

[fw/altos] / cctools / lib / cp-usb.c

diff --git a/cctools/lib/cp-usb.c b/cctools/lib/cp-usb.c
deleted file mode 100644 (file)
index 530848d..0000000
--- a/cctools/lib/cp-usb.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- */
-
-/*
- * libusb interface to the GPIO pins on a CP2103.
- *
- * Various magic constants came from the cp210x driver published by silabs.
- */
-
-#include "cp-usb.h"
-#include <stdio.h>
-#include <errno.h>
-#include <libusb.h>
-
-struct cp_usb {
-       usb_dev_handle *usb_dev;
-       uint8_t gpio;
-};
-
-#define CP2101_UART    0x00
-#define UART_ENABLE    0x0001
-#define UART_DISABLE   0x0000
-#define REQTYPE_HOST_TO_DEVICE  0x41
-#define REQTYPE_DEVICE_TO_HOST  0xc1
-
-static int
-cp_usb_gpio_get(struct cp_usb *cp, uint8_t *gpio_get)
-{
-       return usb_control_msg(cp->usb_dev,             /* dev */
-                              0xc0,                    /* request */
-                              0xff,                    /* requesttype */
-                              0x00c2,                  /* value */
-                              0,                       /* index */
-                              (char *) gpio_get,       /* bytes */
-                              1,                       /* size */
-                              300);                    /* timeout */
-}
-
-static int
-cp_usb_gpio_set(struct cp_usb *cp, uint8_t mask, uint8_t value)
-{
-       uint16_t gpio_set = ((uint16_t) value << 8) | mask;
-
-       return usb_control_msg(cp->usb_dev,             /* dev */
-                              0x40,                    /* request */
-                              0xff,                    /* requesttype */
-                              0x37e1,                  /* value */
-                              gpio_set,                /* index */
-                              NULL,                    /* bytes */
-                              0,                       /* size */
-                              300);                    /* timeout */
-}
-
-static int
-cp_usb_uart_enable_disable(struct cp_usb *cp, uint16_t enable)
-{
-       return usb_control_msg(cp->usb_dev,
-                              CP2101_UART,
-                              REQTYPE_HOST_TO_DEVICE,
-                              enable,
-                              0,
-                              NULL,
-                              0,
-                              300);
-}
-
-struct cp_usb *
-cp_usb_open(void)
-{
-       struct cp_usb *cp;
-       usb_dev_handle *dev_handle;
-       struct usb_device *dev = NULL;
-       struct usb_bus *bus, *busses;
-       int interface;
-       int ret;
-       uint8_t gpio;
-
-       usb_init();
-       usb_find_busses();
-       usb_find_devices();
-
-       busses = usb_get_busses();
-       for (bus = busses; bus; bus = bus->next) {
-               for (dev = bus->devices; dev; dev = dev->next) {
-                       if (dev->descriptor.idVendor == 0x10c4 &&
-                           dev->descriptor.idProduct == 0xea60)
-                               break;
-               }
-               if (dev)
-                       break;
-       }
-       if (!dev){
-               perror("No CP2103 found");
-               return NULL;
-       }
-       cp = calloc(sizeof(struct cp_usb), 1);
-       interface = 0;
-       dev_handle = usb_open(dev);
-       usb_detach_kernel_driver_np(dev_handle, interface);
-       usb_claim_interface(dev_handle, interface);
-       cp->usb_dev = dev_handle;
-       ret = cp_usb_uart_enable_disable(cp, UART_DISABLE);
-       cp->gpio = 0xf;
-       ret = cp_usb_gpio_set(cp, 0xf, cp->gpio);
-       ret = cp_usb_gpio_get(cp, &gpio);
-       return cp;
-}
-
-void
-cp_usb_close(struct cp_usb *cp)
-{
-       cp_usb_uart_enable_disable(cp, UART_DISABLE);
-       usb_close(cp->usb_dev);
-       free(cp);
-}
-
-void
-cp_usb_write(struct cp_usb *cp, uint8_t mask, uint8_t value)
-{
-       uint8_t new_gpio;
-       int ret;
-
-       new_gpio = (cp->gpio & ~mask) | (value & mask);
-       if (new_gpio != cp->gpio) {
-               ret = cp_usb_gpio_set(cp, new_gpio ^ cp->gpio, new_gpio);
-               if (ret < 0)
-                       perror("gpio_set");
-               cp->gpio = new_gpio;
-       }
-}
-
-uint8_t
-cp_usb_read(struct cp_usb *cp)
-{
-       int ret;
-       uint8_t gpio;
-
-       ret = cp_usb_gpio_get(cp, &gpio);
-       if (ret < 0)
-               perror("gpio_get");
-       return gpio;
-}