803 lines
18 KiB
C
803 lines
18 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2008 by Vitja Makarov
|
|
*
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "config.h"
|
|
#include "usb.h"
|
|
|
|
#include "usb-tcc.h"
|
|
|
|
#include "cpu.h"
|
|
#include "system.h"
|
|
#include "kernel.h"
|
|
#include "panic.h"
|
|
|
|
#ifdef HAVE_USBSTACK
|
|
#include "usb_ch9.h"
|
|
#include "usb_core.h"
|
|
|
|
#define TCC7xx_USB_EPIF_IRQ_MASK 0xf
|
|
|
|
static int dbg_level = 0x00;
|
|
static int global_ep_irq_mask = 0x1;
|
|
#define DEBUG(level, fmt, args...) do { if (dbg_level & (level)) printf(fmt, ## args); } while (0)
|
|
|
|
#include <inttypes.h>
|
|
|
|
|
|
#include "power.h"
|
|
|
|
#ifndef BOOTLOADER
|
|
#define printf(...) do {} while (0)
|
|
#define panicf_my panicf
|
|
#else
|
|
int printf(const char *fmt, ...);
|
|
#define panicf_my(fmt, args...) { \
|
|
int flags = disable_irq_save(); \
|
|
printf("*** PANIC ***"); \
|
|
printf(fmt, ## args); \
|
|
printf("*** PANIC ***"); \
|
|
while (usb_detect() == USB_INSERTED) \
|
|
; \
|
|
power_off(); \
|
|
while(1); \
|
|
restore_irq(flags); \
|
|
}
|
|
#endif
|
|
|
|
struct tcc_ep {
|
|
unsigned char dir; /* endpoint direction */
|
|
volatile uint16_t *ep; /* hw ep buffer */
|
|
int id; /* Endpoint id */
|
|
int mask; /* Endpoint bit mask */
|
|
char *buf; /* user buffer to store data */
|
|
int max_len; /* how match data will fit */
|
|
int count; /* actual data count */
|
|
bool busy;
|
|
} ;
|
|
|
|
static struct tcc_ep tcc_endpoints[] = {
|
|
/* control */
|
|
{
|
|
.dir = -1,
|
|
.ep = &TCC7xx_USB_EP0_BUF,
|
|
}, { /* bulk */
|
|
.dir = -1,
|
|
.ep = &TCC7xx_USB_EP1_BUF,
|
|
}, { /* bulk */
|
|
.dir = -1,
|
|
.ep = &TCC7xx_USB_EP2_BUF,
|
|
}, { /* interrupt */
|
|
.dir = -1,
|
|
.ep = &TCC7xx_USB_EP3_BUF,
|
|
},
|
|
} ;
|
|
|
|
static bool usb_drv_write_ep(struct tcc_ep *ep);
|
|
static void usb_set_speed(int);
|
|
|
|
int usb_drv_request_endpoint(int type, int dir)
|
|
{
|
|
int flags = disable_irq_save();
|
|
size_t ep;
|
|
int ret = 0;
|
|
|
|
if (type != USB_ENDPOINT_XFER_BULK)
|
|
return -1;
|
|
|
|
if (dir == USB_DIR_IN)
|
|
ep = 1;
|
|
else
|
|
ep = 2;
|
|
|
|
if (!tcc_endpoints[ep].busy) {
|
|
tcc_endpoints[ep].busy = true;
|
|
tcc_endpoints[ep].dir = dir;
|
|
ret = ep | dir;
|
|
} else {
|
|
ret = -1;
|
|
}
|
|
|
|
restore_irq(flags);
|
|
return ret;
|
|
}
|
|
|
|
void usb_drv_release_endpoint(int ep)
|
|
{
|
|
int flags;
|
|
ep = ep & 0x7f;
|
|
|
|
if (ep < 1 || ep > USB_NUM_ENDPOINTS)
|
|
return ;
|
|
|
|
flags = disable_irq_save();
|
|
|
|
tcc_endpoints[ep].busy = false;
|
|
tcc_endpoints[ep].dir = -1;
|
|
|
|
restore_irq(flags);
|
|
}
|
|
|
|
static inline void pullup_on(void)
|
|
{
|
|
TCC7xx_USB_PHY_CFG = 0x000c;
|
|
}
|
|
|
|
static inline void pullup_off(void)
|
|
{
|
|
TCC7xx_USB_PHY_CFG = 0x3e4c;
|
|
}
|
|
|
|
#if 0
|
|
static
|
|
char *dump_data(char *data, int count)
|
|
{
|
|
static char buf[1024];
|
|
char *dump = buf;
|
|
int i;
|
|
|
|
for (i = 0; i < count; i++)
|
|
dump += snprintf(dump, sizeof(buf) - (dump - buf), "%02x", data[i]);
|
|
return buf;
|
|
}
|
|
#endif
|
|
|
|
static
|
|
void handle_control(void)
|
|
{
|
|
/* control are always 8 bytes len */
|
|
static unsigned char ep_control[8];
|
|
struct usb_ctrlrequest *req =
|
|
(struct usb_ctrlrequest *) ep_control;
|
|
unsigned short stat;
|
|
unsigned short count = 0;
|
|
int i;
|
|
int type;
|
|
|
|
/* select control endpoint */
|
|
TCC7xx_USB_INDEX = 0x00;
|
|
stat = TCC7xx_USB_EP0_STAT;
|
|
|
|
if (stat & 0x10) {
|
|
DEBUG(2, "stall");
|
|
TCC7xx_USB_EP0_STAT = 0x10;
|
|
}
|
|
|
|
if (TCC7xx_USB_EP0_STAT & 0x01) { /* RX */
|
|
uint16_t *ptr = (uint16_t *) ep_control;
|
|
|
|
count = TCC7xx_USB_EP_BRCR;
|
|
|
|
if (TCC7xx_USB_EP0_STAT & 0x2)
|
|
TCC7xx_USB_EP0_STAT = 0x02;
|
|
|
|
if (count != 4) { /* bad control? */
|
|
unsigned short dummy;
|
|
|
|
while (count--)
|
|
dummy = TCC7xx_USB_EP0_BUF;
|
|
DEBUG(1, "WTF: count = %d", count);
|
|
} else {
|
|
/* simply read control packet */
|
|
for (i = 0; i < count; i++)
|
|
ptr[i] = TCC7xx_USB_EP0_BUF;
|
|
}
|
|
|
|
count *= 2;
|
|
TCC7xx_USB_EP0_STAT = 0x01;
|
|
DEBUG(1, "CTRL: len = %d %04x", count, stat);
|
|
} else if (TCC7xx_USB_EP0_STAT & 0x02) { /* TX */
|
|
TCC7xx_USB_EP0_STAT = 0x02;
|
|
DEBUG(2, "TX Done\n");
|
|
} else {
|
|
DEBUG(1, "stat: %04x", stat);
|
|
}
|
|
|
|
TCC7xx_USB_EPIF = 1;
|
|
|
|
if (0 == (stat & 0x1) || count != 8)
|
|
return ;
|
|
#if 1 /* TODO: remove me someday */
|
|
{
|
|
int i;
|
|
uint16_t *ptr = (uint16_t *) ep_control;
|
|
for (i = 1; i < (count>>1); i++) {
|
|
if (ptr[i] != ptr[0])
|
|
break;
|
|
}
|
|
if (i == (count>>1)) {
|
|
/*DEBUG(2, */panicf_my("sanity failed");
|
|
return ;
|
|
}
|
|
}
|
|
#endif
|
|
type = req->bRequestType;
|
|
|
|
/* TODO: don't pass some kinds of requests to upper level */
|
|
switch (req->bRequest) {
|
|
case USB_REQ_CLEAR_FEATURE:
|
|
DEBUG(2, "USB_REQ_CLEAR_FEATURE");
|
|
DEBUG(2, "...%04x %04x", req->wValue, req->wIndex);
|
|
break;
|
|
case USB_REQ_SET_ADDRESS:
|
|
//DEBUG(2, "USB_REQ_SET_ADDRESS, %d %d", req->wValue, TCC7xx_USB_FUNC);
|
|
/* seems we don't have to set it manually
|
|
TCC7xx_USB_FUNC = req->wValue; */
|
|
break;
|
|
case USB_REQ_GET_DESCRIPTOR:
|
|
DEBUG(2, "gd, %02x %02x", req->wValue, req->wIndex);
|
|
break;
|
|
case USB_REQ_GET_CONFIGURATION:
|
|
DEBUG(2, "USB_REQ_GET_CONFIGURATION");
|
|
break;
|
|
default:
|
|
DEBUG(2, "req: %02x %02d", req->bRequestType, req->bRequest);
|
|
}
|
|
|
|
usb_core_legacy_control_request(req);
|
|
}
|
|
|
|
static
|
|
void handle_ep_in(struct tcc_ep *tcc_ep, uint16_t stat)
|
|
{
|
|
uint8_t *buf = tcc_ep->buf;
|
|
uint16_t *wbuf = (uint16_t *) buf;
|
|
int wcount;
|
|
int count;
|
|
int i;
|
|
|
|
if (tcc_ep->dir != USB_DIR_OUT) {
|
|
panicf_my("ep%d: is input only", tcc_ep->id);
|
|
}
|
|
|
|
wcount = TCC7xx_USB_EP_BRCR;
|
|
|
|
DEBUG(2, "ep%d: %04x %04x", tcc_ep->id, stat, wcount);
|
|
|
|
/* read data */
|
|
count = wcount * 2;
|
|
if (stat & TCC7xx_USP_EP_STAT_LWO) {
|
|
count--;
|
|
wcount--;
|
|
}
|
|
|
|
if (buf == NULL)
|
|
panicf_my("ep%d: Unexpected packet! %d %x", tcc_ep->id, count, TCC7xx_USB_EP_CTRL);
|
|
if (tcc_ep->max_len < count)
|
|
panicf_my("Too big packet: %d excepted %d %x", count, tcc_ep->max_len, TCC7xx_USB_EP_CTRL);
|
|
|
|
for (i = 0; i < wcount; i++)
|
|
wbuf[i] = *tcc_ep->ep;
|
|
|
|
if (count & 1) { /* lwo */
|
|
uint16_t tmp = *tcc_ep->ep;
|
|
buf[count - 1] = tmp & 0xff;
|
|
}
|
|
|
|
tcc_ep->buf = NULL;
|
|
|
|
TCC7xx_USB_EP_STAT = TCC7xx_USB_EP_STAT;
|
|
TCC7xx_USB_EPIF = tcc_ep->mask;
|
|
TCC7xx_USB_EPIE &= ~tcc_ep->mask; /* TODO: use INGLD? */
|
|
global_ep_irq_mask &= ~tcc_ep->mask;
|
|
|
|
if (TCC7xx_USB_EP_STAT & 0x1)
|
|
panicf_my("One more packet?");
|
|
|
|
TCC7xx_USB_EP_CTRL |= TCC7xx_USB_EP_CTRL_OUTHD;
|
|
|
|
usb_core_transfer_complete(tcc_ep->id, USB_DIR_OUT, 0, count);
|
|
}
|
|
|
|
static
|
|
void handle_ep_out(struct tcc_ep *tcc_ep, uint16_t stat)
|
|
{
|
|
bool done;
|
|
(void) stat;
|
|
|
|
if (tcc_ep->dir != USB_DIR_IN) {
|
|
panicf_my("ep%d: is out only", tcc_ep->id);
|
|
}
|
|
|
|
// if (tcc_ep->buf == NULL) {
|
|
// panicf_my("%s:%d", __FILE__, __LINE__);
|
|
// }
|
|
|
|
done = usb_drv_write_ep(tcc_ep);
|
|
|
|
// TCC7xx_USB_EP_STAT = 0x2; /* Clear TX stat */
|
|
TCC7xx_USB_EPIF = tcc_ep->mask;
|
|
|
|
if (done) { // tcc_ep->buf == NULL) {
|
|
TCC7xx_USB_EPIE &= ~tcc_ep->mask;
|
|
global_ep_irq_mask &= ~tcc_ep->mask;
|
|
|
|
// usb_core_transfer_complete(tcc_ep->id, USB_DIR_IN, 0, tcc_ep->count);
|
|
}
|
|
}
|
|
|
|
static
|
|
void handle_ep(unsigned short ep_irq)
|
|
{
|
|
if (ep_irq & 0x1) {
|
|
handle_control();
|
|
}
|
|
|
|
if (ep_irq & 0xe) {
|
|
int endpoint;
|
|
|
|
for (endpoint = 1; endpoint < 4; endpoint++) {
|
|
struct tcc_ep *tcc_ep = &tcc_endpoints[endpoint];
|
|
uint16_t stat;
|
|
|
|
if (0 == (ep_irq & (1 << endpoint)))
|
|
continue;
|
|
if (!tcc_ep->busy)
|
|
panicf_my("ep%d: wasn't requested", endpoint);
|
|
|
|
TCC7xx_USB_INDEX = endpoint;
|
|
stat = TCC7xx_USB_EP_STAT;
|
|
|
|
DEBUG(1, "ep%d: %04x", endpoint, stat);
|
|
|
|
if (stat & 0x1)
|
|
handle_ep_in(tcc_ep, stat);
|
|
else if (stat & 0x2)
|
|
handle_ep_out(tcc_ep, stat);
|
|
else /* TODO: remove me? */
|
|
panicf_my("Unhandled ep%d state: %x, %d", endpoint, TCC7xx_USB_EP_STAT, TCC7xx_USB_INDEX);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void usb_set_speed(int high_speed)
|
|
{
|
|
TCC7xx_USB_EP_DIR = 0x0000;
|
|
|
|
/* control endpoint */
|
|
TCC7xx_USB_INDEX = 0;
|
|
TCC7xx_USB_EP0_CTRL = 0x0000;
|
|
TCC7xx_USB_EP_MAXP = 64;
|
|
TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP | TCC7xx_USB_EP_CTRL_FLUSH;
|
|
|
|
/* ep1: bulk-in, to host */
|
|
TCC7xx_USB_INDEX = 1;
|
|
TCC7xx_USB_EP_DIR |= (1 << 1);
|
|
TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
|
|
|
|
if (high_speed)
|
|
TCC7xx_USB_EP_MAXP = 512;
|
|
else
|
|
TCC7xx_USB_EP_MAXP = 64;
|
|
|
|
TCC7xx_USB_EP_DMA_CTRL = 0x0;
|
|
|
|
/* ep2: bulk-out, from host */
|
|
TCC7xx_USB_INDEX = 2;
|
|
TCC7xx_USB_EP_DIR &= ~(1 << 2);
|
|
TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
|
|
|
|
if (high_speed)
|
|
TCC7xx_USB_EP_MAXP = 512;
|
|
else
|
|
TCC7xx_USB_EP_MAXP = 64;
|
|
|
|
TCC7xx_USB_EP_DMA_CTRL = 0x0;
|
|
|
|
/* ep3: interrupt in */
|
|
TCC7xx_USB_INDEX = 3;
|
|
TCC7xx_USB_EP_DIR &= ~(1 << 3);
|
|
TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
|
|
TCC7xx_USB_EP_MAXP = 64;
|
|
|
|
TCC7xx_USB_EP_DMA_CTRL = 0x0;
|
|
}
|
|
|
|
/*
|
|
Reset TCC7xx usb device
|
|
*/
|
|
static void usb_reset(void)
|
|
{
|
|
pullup_on();
|
|
|
|
TCC7xx_USB_DELAY_CTRL |= 0x81;
|
|
|
|
TCC7xx_USB_SYS_CTRL = 0xa000 |
|
|
TCC7xx_USB_SYS_CTRL_RESET |
|
|
TCC7xx_USB_SYS_CTRL_RFRE |
|
|
TCC7xx_USB_SYS_CTRL_SPDEN |
|
|
TCC7xx_USB_SYS_CTRL_VBONE |
|
|
TCC7xx_USB_SYS_CTRL_VBOFE;
|
|
|
|
usb_set_speed(1);
|
|
pullup_on();
|
|
|
|
TCC7xx_USB_EPIF = TCC7xx_USB_EPIF_IRQ_MASK;
|
|
global_ep_irq_mask = 0x1;
|
|
TCC7xx_USB_EPIE = global_ep_irq_mask;
|
|
|
|
usb_core_bus_reset();
|
|
}
|
|
|
|
/* IRQ handler */
|
|
void USB_DEVICE(void)
|
|
{
|
|
unsigned short sys_stat;
|
|
unsigned short ep_irq;
|
|
unsigned short index_save;
|
|
|
|
sys_stat = TCC7xx_USB_SYS_STAT;
|
|
|
|
if (sys_stat & TCC7xx_USB_SYS_STAT_RESET) {
|
|
TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_RESET;
|
|
usb_reset();
|
|
TCC7xx_USB_SYS_CTRL |= TCC7xx_USB_SYS_CTRL_SUSPEND;
|
|
DEBUG(2, "reset");
|
|
}
|
|
|
|
if (sys_stat & TCC7xx_USB_SYS_STAT_RESUME) {
|
|
TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_RESUME;
|
|
usb_reset();
|
|
TCC7xx_USB_SYS_CTRL |= TCC7xx_USB_SYS_CTRL_SUSPEND;
|
|
DEBUG(2, "resume");
|
|
}
|
|
|
|
if (sys_stat & TCC7xx_USB_SYS_STAT_SPD_END) {
|
|
usb_set_speed(1);
|
|
TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_SPD_END;
|
|
DEBUG(2, "spd end");
|
|
}
|
|
|
|
if (sys_stat & TCC7xx_USB_SYS_STAT_ERRORS) {
|
|
DEBUG(2, "errors: %4x", sys_stat & TCC7xx_USB_SYS_STAT_ERRORS);
|
|
TCC7xx_USB_SYS_STAT = sys_stat & TCC7xx_USB_SYS_STAT_ERRORS;
|
|
}
|
|
|
|
// TCC7xx_USB_SYS_STAT = sys_stat;
|
|
|
|
index_save = TCC7xx_USB_INDEX;
|
|
|
|
ep_irq = TCC7xx_USB_EPIF & global_ep_irq_mask;
|
|
|
|
while (ep_irq & TCC7xx_USB_EPIF_IRQ_MASK) {
|
|
handle_ep(ep_irq);
|
|
|
|
/* is that really needed, btw not a problem for rockbox */
|
|
udelay(50);
|
|
ep_irq = TCC7xx_USB_EPIF & global_ep_irq_mask;
|
|
}
|
|
|
|
TCC7xx_USB_INDEX = index_save;
|
|
}
|
|
|
|
void usb_drv_set_address(int address)
|
|
{
|
|
(void) address;
|
|
DEBUG(2, "setting address %d %d", address, TCC7xx_USB_FUNC);
|
|
}
|
|
|
|
int usb_drv_port_speed(void)
|
|
{
|
|
return (TCC7xx_USB_SYS_STAT & 0x10) ? 1 : 0;
|
|
}
|
|
|
|
static int usb_drv_write_packet(volatile unsigned short *buf, unsigned char *data, int len, int max)
|
|
{
|
|
uint16_t *wbuf = (uint16_t *) data;
|
|
int count, i;
|
|
|
|
len = MIN(len, max);
|
|
count = (len + 1) / 2;
|
|
|
|
TCC7xx_USB_EP_BWCR = len;
|
|
|
|
for (i = 0; i < count; i++)
|
|
*buf = *wbuf++;
|
|
|
|
return len;
|
|
}
|
|
|
|
static bool usb_drv_write_ep(struct tcc_ep *ep)
|
|
{
|
|
int count;
|
|
|
|
if (ep->max_len == 0)
|
|
return true;
|
|
|
|
count = usb_drv_write_packet(ep->ep, ep->buf, ep->max_len, 512);
|
|
TCC7xx_USB_EP_STAT = 0x2; /* Clear TX stat */
|
|
|
|
ep->buf += count;
|
|
ep->count += count;
|
|
ep->max_len -= count;
|
|
|
|
if (ep->max_len == 0) {
|
|
usb_core_transfer_complete(ep->id, USB_DIR_IN, 0, ep->count);
|
|
ep->buf = NULL;
|
|
// return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int usb_drv_send(int endpoint, void *ptr, int length)
|
|
{
|
|
int flags = disable_irq_save();
|
|
int rc = 0;
|
|
char *data = (unsigned char*) ptr;
|
|
|
|
DEBUG(2, "%s(%d,%d)" , __func__, endpoint, length);
|
|
|
|
if (endpoint != 0)
|
|
panicf_my("%s(%d,%d)", __func__, endpoint, length);
|
|
|
|
TCC7xx_USB_INDEX = 0;
|
|
while (length > 0) {
|
|
int ret;
|
|
|
|
ret = usb_drv_write_packet(&TCC7xx_USB_EP0_BUF, data, length, 64);
|
|
length -= ret;
|
|
data += ret;
|
|
|
|
while (0 == (TCC7xx_USB_EP0_STAT & 0x2))
|
|
;
|
|
TCC7xx_USB_EP0_STAT = 0x2;
|
|
}
|
|
|
|
restore_irq(flags);
|
|
return rc;
|
|
}
|
|
|
|
|
|
int usb_drv_send_nonblocking(int endpoint, void *ptr, int length)
|
|
{
|
|
int flags;
|
|
int rc = 0, count = length;
|
|
char *data = (unsigned char*) ptr;
|
|
struct tcc_ep *ep = &tcc_endpoints[endpoint & 0x7f];
|
|
|
|
if (ep->dir != USB_DIR_IN || length == 0)
|
|
panicf_my("%s(%d,%d): Not supported", __func__, endpoint, length);
|
|
|
|
DEBUG(2, "%s(%d,%d):", __func__, endpoint, length);
|
|
|
|
flags = disable_irq_save();
|
|
|
|
if(ep->buf != NULL) {
|
|
panicf_my("%s: ep is already busy", __func__);
|
|
}
|
|
|
|
ep->buf = data;
|
|
ep->max_len = length;
|
|
ep->count = count;
|
|
|
|
TCC7xx_USB_INDEX = ep->id;
|
|
#if 1
|
|
TCC7xx_USB_EP_STAT = 0x2;
|
|
/* TODO: use interrupts instead */
|
|
while (!usb_drv_write_ep(ep)) {
|
|
while (0==(TCC7xx_USB_EP_STAT & 0x2))
|
|
;
|
|
}
|
|
#else
|
|
if (!usb_drv_write_ep(ep)) {
|
|
TCC7xx_USB_EPIE |= ep->mask;
|
|
global_ep_irq_mask |= ep->mask;
|
|
}
|
|
#endif
|
|
restore_irq(flags);
|
|
|
|
DEBUG(2, "%s end", __func__);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int usb_drv_recv_nonblocking(int endpoint, void* ptr, int length)
|
|
{
|
|
volatile struct tcc_ep *tcc_ep = &tcc_endpoints[endpoint & 0x7f];
|
|
int flags;
|
|
|
|
if (length == 0) {
|
|
if (endpoint != 0)
|
|
panicf_my("%s(%d,%d) zero length?", __func__, endpoint, length);
|
|
return 0;
|
|
}
|
|
// TODO: check ep
|
|
if (tcc_ep->dir != USB_DIR_OUT)
|
|
panicf_my("%s(%d,%d)", __func__, endpoint, length);
|
|
|
|
DEBUG(2, "%s(%d,%d)", __func__, endpoint, length);
|
|
|
|
flags = disable_irq_save();
|
|
|
|
if (tcc_ep->buf) {
|
|
panicf_my("%s: overrun: %x %x", __func__,
|
|
(unsigned int)tcc_ep->buf, (unsigned int)tcc_ep);
|
|
}
|
|
|
|
tcc_ep->buf = ptr;
|
|
tcc_ep->max_len = length;
|
|
tcc_ep->count = 0;
|
|
|
|
TCC7xx_USB_INDEX = tcc_ep->id;
|
|
|
|
TCC7xx_USB_EP_CTRL &= ~TCC7xx_USB_EP_CTRL_OUTHD;
|
|
TCC7xx_USB_EPIE |= tcc_ep->mask;
|
|
global_ep_irq_mask |= tcc_ep->mask;
|
|
|
|
restore_irq(flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void usb_drv_cancel_all_transfers(void)
|
|
{
|
|
int endpoint;
|
|
int flags;
|
|
|
|
DEBUG(2, "%s", __func__);
|
|
|
|
flags = disable_irq_save();
|
|
for (endpoint = 0; endpoint < 4; endpoint++) {
|
|
if (tcc_endpoints[endpoint].buf) {
|
|
/* usb_core_transfer_complete(tcc_endpoints[endpoint].id,
|
|
tcc_endpoints[endpoint].dir, -1, 0); */
|
|
tcc_endpoints[endpoint].buf = NULL;
|
|
}
|
|
}
|
|
|
|
global_ep_irq_mask = 1;
|
|
TCC7xx_USB_EPIE = global_ep_irq_mask;
|
|
TCC7xx_USB_EPIF = TCC7xx_USB_EPIF_IRQ_MASK;
|
|
restore_irq(flags);
|
|
}
|
|
|
|
void usb_drv_set_test_mode(int mode)
|
|
{
|
|
panicf_my("%s(%d)", __func__, mode);
|
|
}
|
|
|
|
bool usb_drv_stalled(int endpoint, bool in)
|
|
{
|
|
panicf_my("%s(%d,%d)", __func__, endpoint, in);
|
|
return false;
|
|
}
|
|
|
|
void usb_drv_stall(int endpoint, bool stall,bool in)
|
|
{
|
|
(void) endpoint;
|
|
(void) stall;
|
|
(void) in;
|
|
printf("%s(%d,%d,%d)", __func__, endpoint, stall, in);
|
|
}
|
|
|
|
void usb_drv_init(void)
|
|
{
|
|
size_t i;
|
|
|
|
DEBUG(2, "%s", __func__);
|
|
|
|
for (i = 0; i < sizeof(tcc_endpoints)/sizeof(struct tcc_ep); i++) {
|
|
tcc_endpoints[i].id = i;
|
|
tcc_endpoints[i].mask = 1 << i;
|
|
tcc_endpoints[i].buf = NULL;
|
|
tcc_endpoints[i].busy = false;
|
|
tcc_endpoints[i].dir = -1;
|
|
}
|
|
|
|
/* Enable USB clock */
|
|
BCLKCTR |= DEV_USBD;
|
|
|
|
/* switch USB to host and then reset */
|
|
TCC7xx_USB_PHY_CFG = 0x3e4c;
|
|
SWRESET |= DEV_USBD;
|
|
udelay(50);
|
|
SWRESET &= ~DEV_USBD;
|
|
|
|
usb_reset();
|
|
|
|
/* unmask irq */
|
|
CREQ = USBD_IRQ_MASK;
|
|
IRQSEL |= USBD_IRQ_MASK;
|
|
TMODE &= ~USBD_IRQ_MASK;
|
|
IEN |= USBD_IRQ_MASK;
|
|
}
|
|
|
|
void usb_drv_exit(void)
|
|
{
|
|
TCC7xx_USB_EPIE = 0;
|
|
BCLKCTR &= ~DEV_USBD;
|
|
|
|
SWRESET |= DEV_USBD;
|
|
udelay(50);
|
|
SWRESET &= ~DEV_USBD;
|
|
|
|
pullup_off();
|
|
}
|
|
|
|
void usb_init_device(void)
|
|
{
|
|
}
|
|
|
|
void usb_enable(bool on)
|
|
{
|
|
if (on)
|
|
usb_core_init();
|
|
else
|
|
usb_core_exit();
|
|
}
|
|
|
|
void usb_attach(void)
|
|
{
|
|
usb_enable(true);
|
|
}
|
|
|
|
int usb_detect(void)
|
|
{
|
|
/* TODO: not correct for all targets, we should poll VBUS
|
|
signal on USB bus. */
|
|
if (charger_inserted())
|
|
return USB_INSERTED;
|
|
return USB_EXTRACTED;
|
|
}
|
|
|
|
#ifdef BOOTLOADER
|
|
#include "ata.h"
|
|
void usb_test(void)
|
|
{
|
|
int rc;
|
|
|
|
printf("ATA");
|
|
rc = ata_init();
|
|
|
|
if(rc) {
|
|
panicf("ata_init failed");
|
|
}
|
|
|
|
usb_init();
|
|
usb_start_monitoring();
|
|
usb_acknowledge(SYS_USB_CONNECTED_ACK);
|
|
|
|
while (1) {
|
|
sleep(HZ);
|
|
// usb_serial_send("Hello\r\n", 7);
|
|
}
|
|
}
|
|
#endif
|
|
#else
|
|
void usb_init_device(void)
|
|
{
|
|
/* simply switch USB off for now */
|
|
BCLKCTR |= DEV_USBD;
|
|
TCC7xx_USB_PHY_CFG = 0x3e4c;
|
|
BCLKCTR &= ~DEV_USBD;
|
|
}
|
|
|
|
void usb_enable(bool on)
|
|
{
|
|
(void)on;
|
|
}
|
|
|
|
/* Always return false for now */
|
|
int usb_detect(void)
|
|
{
|
|
return USB_EXTRACTED;
|
|
}
|
|
#endif
|