X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=cctools%2Flib%2Fcp-usb-async.c;fp=cctools%2Flib%2Fcp-usb-async.c;h=0000000000000000000000000000000000000000;hp=6539394b541a95ec4c2761d75d7a9c739e253048;hb=9789ca5e8caa9a013e804f307b9da380e147bd75;hpb=a5782398d968e7cb11f7203afada7c216f233b3b

diff --git a/cctools/lib/cp-usb-async.c b/cctools/lib/cp-usb-async.c
deleted file mode 100644
index 6539394b..00000000
--- a/cctools/lib/cp-usb-async.c
+++ /dev/null
@@ -1,188 +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.
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "cp-usb-async.h"
-#include "ccdbg-debug.h"
-
-#define MAX_OUTSTANDING		256
-#define CP_TIMEOUT		1000	/* ms */
-
-struct cp_usb_packet {
-	struct libusb_transfer	*transfer;
-	enum { packet_read, packet_write } direction;
-	unsigned char		data[9];
-	uint8_t			*valuep;
-};
-
-struct cp_usb_async {
-	libusb_context		*ctx;
-	libusb_device_handle	*handle;
-	struct cp_usb_packet	packet[MAX_OUTSTANDING];
-	int			p, ack;
-	uint8_t			value;
-	uint8_t			set;
-};
-
-struct cp_usb_async *
-cp_usb_async_open(void)
-{
-	struct cp_usb_async *cp;
-	int ret;
-
-	cp = calloc(sizeof (struct cp_usb_async), 1);
-	if (!cp)
-		return NULL;
-	ret = libusb_init(&cp->ctx);
-	if (ret) {
-		free(cp);
-		return NULL;
-	}
-	cp->handle = libusb_open_device_with_vid_pid(cp->ctx,
-						     0x10c4, 0xea60);
-	cp->ack = -1;
-	if (!cp->handle) {
-		libusb_exit(cp->ctx);
-		free(cp);
-		return NULL;
-	}
-	cp->value = 0;
-	cp->set = 0;
-	return cp;
-}
-
-void
-cp_usb_async_close(struct cp_usb_async *cp)
-{
-	libusb_close(cp->handle);
-	libusb_exit(cp->ctx);
-	free(cp);
-}
-
-static void
-cp_usb_async_transfer_callback(struct libusb_transfer *transfer)
-{
-	struct cp_usb_async *cp = transfer->user_data;
-	int p;
-
-	for (p = 0; p < cp->p; p++)
-		if (cp->packet[p].transfer == transfer)
-			break;
-	if (p == cp->p) {
-		fprintf(stderr, "unknown transfer\n");
-		return;
-	}
-	switch (cp->packet[p].direction) {
-	case packet_read:
-		ccdbg_debug(CC_DEBUG_USB_ASYNC, "ack read %d 0x%02x\n",
-			    p, cp->packet[p].data[8]);
-		*cp->packet[p].valuep = cp->packet[p].data[8];
-		break;
-	case packet_write:
-		ccdbg_debug(CC_DEBUG_USB_ASYNC, "ack write %d\n", p);
-		break;
-	}
-	if (p > cp->ack)
-		cp->ack = p;
-}
-
-void
-cp_usb_async_write(struct cp_usb_async *cp, uint8_t mask, uint8_t value)
-{
-	int	p;
-	uint16_t gpio_set;
-	int	ret;
-
-	if (cp->set) {
-		value = (cp->value & ~mask) | (value & mask);
-		mask = value ^ cp->value;
-	}
-	cp->set = 1;
-	cp->value = value;
-	gpio_set = ((uint16_t) value << 8) | mask;
-	if (cp->p == MAX_OUTSTANDING)
-		cp_usb_async_sync(cp);
-	p = cp->p;
-	if (!cp->packet[p].transfer)
-		cp->packet[p].transfer = libusb_alloc_transfer(0);
-	cp->packet[p].direction = packet_write;
-	libusb_fill_control_setup(cp->packet[p].data,
-				  0x40,			/* request */
-				  0xff,			/* request type */
-				  0x37e1,		/* value */
-				  gpio_set,		/* index */
-				  0);			/* length */
-
-	libusb_fill_control_transfer(cp->packet[p].transfer,
-				     cp->handle,
-				     cp->packet[p].data,
-				     cp_usb_async_transfer_callback,
-				     cp,
-				     CP_TIMEOUT);
-	ccdbg_debug(CC_DEBUG_USB_ASYNC, "Write packet %d 0x%x 0x%x\n", p, mask, value);
-	ret = libusb_submit_transfer(cp->packet[p].transfer);
-	if (ret)
-		fprintf(stderr, "libusb_submit_transfer failed %d\n", ret);
-	cp->p++;
-}
-
-void
-cp_usb_async_read(struct cp_usb_async *cp, uint8_t *valuep)
-{
-	int	p;
-	int	ret;
-
-	if (cp->p == MAX_OUTSTANDING)
-		cp_usb_async_sync(cp);
-	p = cp->p;
-	if (!cp->packet[p].transfer)
-		cp->packet[p].transfer = libusb_alloc_transfer(0);
-	cp->packet[p].valuep = valuep;
-	cp->packet[p].direction = packet_read;
-	libusb_fill_control_setup(cp->packet[p].data,
-				  0xc0,			/* request */
-				  0xff,			/* request type */
-				  0x00c2,		/* value */
-				  0,			/* index */
-				  1);			/* length */
-
-	libusb_fill_control_transfer(cp->packet[p].transfer,
-				     cp->handle,
-				     cp->packet[p].data,
-				     cp_usb_async_transfer_callback,
-				     cp,
-				     CP_TIMEOUT);
-	ccdbg_debug(CC_DEBUG_USB_ASYNC, "Read packet %d\n", p);
-	ret = libusb_submit_transfer(cp->packet[p].transfer);
-	if (ret)
-		fprintf(stderr, "libusb_submit_transfer failed %d\n", ret);
-	cp->p++;
-}
-
-void
-cp_usb_async_sync(struct cp_usb_async *cp)
-{
-	while (cp->ack < cp->p - 1) {
-		libusb_handle_events(cp->ctx);
-	}
-	cp->p = 0;
-	cp->ack = -1;
-}