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#include "common.h"
#include <ddekit/usb.h>
#include <ddekit/memory.h>
#include <ddekit/minix/msg_queue.h>
#include <minix/usb.h>
struct ddekit_usb_dev {
int id;
unsigned int interfaces;
void *data;
struct ddekit_usb_dev *next;
struct ddekit_usb_dev *prev;
};
struct ddekit_usb_dev dev_list_head = {
.next = &dev_list_head,
.prev = &dev_list_head,
};
static struct ddekit_usb_driver *d_usb_driver;
static void _ddekit_usb_completion(struct usb_urb *mx);
static void _ddekit_usb_connect( unsigned int dev_id, unsigned int
interfaces);
static void _ddekit_usb_disconnect(unsigned dev_id);
struct usb_driver mx_usb_driver = {
.urb_completion = _ddekit_usb_completion,
.connect_device = _ddekit_usb_connect,
.disconnect_device = _ddekit_usb_disconnect
};
/*****************************************************************************
* _ddekit_usb_completion *
****************************************************************************/
static void _ddekit_usb_completion(struct usb_urb *mx_urb)
{
struct ddekit_usb_urb *d_urb = (struct ddekit_usb_urb *) mx_urb->priv;
/* XXX: copy stuff back into d_urb */
d_urb->status = mx_urb->status;
d_urb->error_count = mx_urb->interval;
d_urb->transfer_flags = mx_urb->error_count;
d_urb->actual_length = mx_urb->actual_length;
d_urb->ddekit_priv = NULL;
if (mx_urb->type == USB_TRANSFER_CTL) {
memcpy(d_urb->setup_packet, mx_urb->setup_packet, 8);
}
if (mx_urb->type == USB_TRANSFER_ISO) {
d_urb->start_frame = mx_urb->start_frame;
memcpy(d_urb->iso_desc, mx_urb->buffer + d_urb->size,
d_urb->number_of_packets * sizeof(struct usb_iso_packet_desc));
}
memcpy(d_urb->data, mx_urb->buffer, d_urb->size);
/* free mx_urb */
ddekit_simple_free(mx_urb);
/* 'give back' URB */
d_usb_driver->completion(d_urb->priv);
}
/*****************************************************************************
* _ddekit_usb_connect *
****************************************************************************/
static void _ddekit_usb_connect(unsigned int dev_id, unsigned int interfaces)
{
struct ddekit_usb_dev *d_dev = (struct ddekit_usb_dev *)
ddekit_simple_malloc(sizeof(struct ddekit_usb_dev));
d_dev->data = NULL;
d_dev->id = dev_id;
d_dev->interfaces = interfaces;
/* add to list */
d_dev->next = dev_list_head.next;
d_dev->prev = &dev_list_head;
dev_list_head.next = d_dev;
d_dev->next->prev = d_dev;
d_usb_driver->connect(d_dev, interfaces);
}
/*****************************************************************************
* _ddekit_usb_disconnect *
****************************************************************************/
void _ddekit_usb_disconnect(unsigned dev_id)
{
/* find dev */
struct ddekit_usb_dev *it;
struct ddekit_usb_dev *d_dev = NULL;
for (it = dev_list_head.next; it != &dev_list_head; it= it->next) {
if (it->id == dev_id) {
d_dev = it;
break;
}
}
if (d_dev == NULL) {
return;
}
d_usb_driver->disconnect(d_dev);
}
/*****************************************************************************
* ddekit_usb_dev_set_data *
****************************************************************************/
int ddekit_usb_dev_set_data(struct ddekit_usb_dev *dev, void *data)
{
dev->data = data;
return 0;
}
/*****************************************************************************
* ddekit_usb_dev_get_data *
****************************************************************************/
void *ddekit_usb_dev_get_data(struct ddekit_usb_dev *dev)
{
return dev->data;
}
/*****************************************************************************
* ddekit_usb_submit_urb *
****************************************************************************/
int ddekit_usb_submit_urb(struct ddekit_usb_urb *d_urb)
{
int res;
unsigned urb_size = USB_URBSIZE(d_urb->size, d_urb->number_of_packets);
/* create mx urb out of d_urb */
struct usb_urb *mx_urb = (struct usb_urb*)
ddekit_simple_malloc(urb_size);
mx_urb->urb_size = urb_size;
mx_urb->dev_id = d_urb->dev->id;
mx_urb->type = d_urb->type;
mx_urb->endpoint = d_urb->endpoint;
mx_urb->direction = d_urb->direction;
mx_urb->interval = d_urb->interval;
mx_urb->transfer_flags = d_urb->transfer_flags;
mx_urb->size = d_urb->size;
mx_urb->priv = d_urb;
if (mx_urb->type == USB_TRANSFER_CTL) {
memcpy(mx_urb->setup_packet, d_urb->setup_packet, 8);
}
if (mx_urb->type == USB_TRANSFER_ISO) {
mx_urb->number_of_packets = d_urb->number_of_packets;
mx_urb->start_frame = d_urb->start_frame;
memcpy(mx_urb->buffer + d_urb->size, d_urb->iso_desc,
d_urb->number_of_packets * sizeof(struct usb_iso_packet_desc));
}
memcpy(mx_urb->buffer, d_urb->data, d_urb->size);
d_urb->ddekit_priv = mx_urb;
/* submit mx_urb */
res = usb_send_urb(mx_urb);
return res;
}
/*****************************************************************************
* ddekit_usb_cancle_urb *
****************************************************************************/
int ddekit_usb_cancle_urb(struct ddekit_usb_urb *d_urb)
{
int res;
/* get the associated mx_urb */
struct usb_urb *mx_urb = (struct usb_urb *) d_urb->ddekit_priv;
res = usb_cancle_urb(mx_urb);
return res;
}
/*****************************************************************************
* ddekit_usb_info *
*****************************************************************************/
long
ddekit_usb_info(struct ddekit_usb_dev * UNUSED(dev), long type, long value)
{
return usb_send_info(type, value);
}
static void _ddekit_usb_thread()
{
struct ddekit_minix_msg_q *mq = ddekit_minix_create_msg_q(USB_BASE,
USB_BASE + 0x1000);
message m;
int ipc_status;
while (1) {
ddekit_minix_rcv(mq, &m, &ipc_status);
usb_handle_msg(&mx_usb_driver, &m);
}
}
/*****************************************************************************
* ddekit_usb_init *
****************************************************************************/
int ddekit_usb_init
(struct ddekit_usb_driver *drv,
ddekit_usb_malloc_fn *unused,
ddekit_usb_free_fn *_unused)
{
/* start usb_thread */
d_usb_driver = drv;
usb_init("dde");
_ddekit_usb_thread();
return 0;
}
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