static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
struct devrequest *setup)
{
int i;
unsigned short *p = (unsigned short *)setup;
unsigned long setup_addr = USBREQ;
u16 intsts1;
int timeout = 3000;
#if defined(CONFIG_RZA_USB)
u16 dcpctr;
#endif
u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
r8a66597_write(r8a66597, make_devsel(devsel) |
(8 << dev->maxpacketsize), DCPMAXP);
r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
#if defined(CONFIG_RZA_USB)
dcpctr = r8a66597_read(r8a66597, DCPCTR);
if ((dcpctr & PID) == PID_BUF) {
if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
dcpctr & BSTS, 1000) < 0) {
printf("DCPCTR BSTS timeout!\n");
return -ETIMEDOUT;
}
}
#endif
for (i = 0; i < 4; i++) {
r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
setup_addr += 2;
}
r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
r8a66597_write(r8a66597, SUREQ, DCPCTR);
while (1) {
intsts1 = r8a66597_read(r8a66597, INTSTS1);
if (intsts1 & SACK)
break;
if (intsts1 & SIGN) {
printf("setup packet send error\n");
return -1;
}
if (timeout-- < 0) {
printf("setup packet timeout\n");
return -1;
}
udelay(500);
}
return 0;
}
static void pipe_buffer_setting(struct r8a66597 *r8a66597,
struct usb_device *dev, unsigned long pipe)
{
u16 val = 0;
u16 pipenum, bufnum, maxpacket;
if (usb_pipein(pipe)) {
pipenum = BULK_IN_PIPENUM;
bufnum = BULK_IN_BUFNUM;
maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
} else {
pipenum = BULK_OUT_PIPENUM;
bufnum = BULK_OUT_BUFNUM;
maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
}
if (r8a66597->pipe_config & (1 << pipenum))
return;
r8a66597->pipe_config |= (1 << pipenum);
r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
r8a66597_write(r8a66597, pipenum, PIPESEL);
/* FIXME: This driver support bulk transfer only. */
if (!usb_pipein(pipe))
val |= R8A66597_DIR;
else
val |= R8A66597_SHTNAK;
val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
r8a66597_write(r8a66597, val, PIPECFG);
r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
maxpacket, PIPEMAXP);
r8a66597_write(r8a66597, 0, PIPEPERI);
r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
}
static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
struct devrequest *setup)
{
int i;
unsigned short *p = (unsigned short *)setup;
unsigned long setup_addr = USBREQ;
u16 intsts1;
int timeout = 3000;
u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
r8a66597_write(r8a66597, make_devsel(devsel) |
(8 << dev->maxpacketsize), DCPMAXP);
r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
for (i = 0; i < 4; i++) {
r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
setup_addr += 2;
}
r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
r8a66597_write(r8a66597, SUREQ, DCPCTR);
while (1) {
intsts1 = r8a66597_read(r8a66597, INTSTS1);
if (intsts1 & SACK)
break;
if (intsts1 & SIGN) {
printf("setup packet send error\n");
return -1;
}
if (timeout-- < 0) {
printf("setup packet timeout\n");
return -1;
}
udelay(500);
}
return 0;
}
/* this function must be called with interrupt disabled */
static void pipe_buffer_setting(struct r8a66597 *r8a66597,
struct r8a66597_pipe_info *info)
{
u16 val = 0;
if (info->pipenum == 0)
return;
r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(info->pipenum));
r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(info->pipenum));
r8a66597_write(r8a66597, info->pipenum, PIPESEL);
if (!info->dir_in)
val |= R8A66597_DIR;
if (info->type == R8A66597_BULK && info->dir_in)
val |= R8A66597_DBLB | R8A66597_SHTNAK;
val |= info->type | info->epnum;
r8a66597_write(r8a66597, val, PIPECFG);
r8a66597_write(r8a66597, (info->buf_bsize << 10) | (info->bufnum),
PIPEBUF);
r8a66597_write(r8a66597, make_devsel(info->address) | info->maxpacket,
PIPEMAXP);
r8a66597_write(r8a66597, info->interval, PIPEPERI);
}
