/*
bi_udc_init - initialize USB Device Controller
This function is called for each physical bus interface that is found.
Register an interrupt handler and IO region. Return non-zero for error.
*/
int bi_udc_init()
{
dbg_init(1,"Loading %s", udc_name());
bi_driver.name = udc_name();
bi_driver.max_endpoints = udc_max_endpoints();
bi_driver.maxpacketsize = udc_ep0_packetsize();
dbg_init(1,"name: %s endpoints: %d ep0: %d", bi_driver.name, bi_driver.max_endpoints, bi_driver.maxpacketsize);
// request device IRQ.
if (udc_request_udc_irq()) {
dbg_init(0,"name: %s request udc irq failed", udc_name());
return -EINVAL;
}
// request device IO
if (udc_request_io()) {
udc_release_udc_irq();
dbg_init(0,"name: %s request udc io failed", udc_name());
return -EINVAL;
}
if (udc_init()) {
udc_release_udc_irq();
udc_release_io();
dbg_init(1,"name: %s probe failed", udc_name());
return -EINVAL;
}
return 0;
}
static int
bi_udc_resume(struct device *dev, u32 level)
{
int ret = 0;
struct usb_device_instance *device = device_array[0];
switch (level) {
case RESUME_POWER_ON:
dbg_pm (0, "RESUME_POWER_ON");
if (udc_init ()) {
dbg_init (0, "udc_init failed");
}
if (device) {
udc_enable (device); /* enable UDC */
udc_all_interrupts (device); /* enable interrupts */
}
udc_connect (); /* enable USB pullup */
dbg_init (1, "MOD_INC_USE_COUNT %d",
GET_USE_COUNT (THIS_MODULE));
dbg_pm (0, "RESUME_POWER_ON: finished");
break;
}
return ret;
}
/*
* usbd_pm_callback
* @dev:
* @rqst:
* @unused:
*
* Used to signal power management events.
*/
static int bi_pm_event (struct pm_dev *pm_dev, pm_request_t request, void *unused)
{
struct usb_device_instance *device;
dbg_pm (0, "request: %d pm_dev: %p data: %p", request, pm_dev, pm_dev->data);
if (!(device = pm_dev->data)) {
dbg_pm (0, "DATA NULL, NO DEVICE");
return 0;
}
switch (request) {
#if defined(CONFIG_IRIS)
case PM_STANDBY:
case PM_BLANK:
#endif
case PM_SUSPEND:
dbg_pm (0, "PM_SUSPEND");
if (!pm_suspended) {
pm_suspended = 1;
dbg_init (1, "MOD_INC_USE_COUNT %d", GET_USE_COUNT (THIS_MODULE));
udc_disconnect (); // disable USB pullup if we can
udc_disable_interrupts (device); // disable interupts
udc_disable (); // disable UDC
dbg_pm (0, "PM_SUSPEND: finished");
}
break;
#if defined(CONFIG_IRIS)
case PM_UNBLANK:
#endif
case PM_RESUME:
dbg_pm (0, "PM_RESUME");
if (pm_suspended) {
// probe for device
if (udc_init ()) {
dbg_init (0, "udc_init failed");
//return -EINVAL;
}
udc_enable (device); // enable UDC
udc_all_interrupts (device); // enable interrupts
udc_connect (); // enable USB pullup if we can
//udc_set_address(device->address);
//udc_reset_ep(0);
pm_suspended = 0;
dbg_init (1, "MOD_INC_USE_COUNT %d", GET_USE_COUNT (THIS_MODULE));
dbg_pm (0, "PM_RESUME: finished");
}
break;
}
return 0;
}
static void __init mioa701_machine_init(void)
{
PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
RTTR = 32768 - 1; /* Reset crazy WinCE value */
UP2OCR = UP2OCR_HXOE;
pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
bootstrap_init();
set_pxa_fb_info(&mioa701_pxafb_info);
pxa_set_mci_info(&mioa701_mci_info);
pxa_set_keypad_info(&mioa701_keypad_info);
udc_init();
pm_power_off = mioa701_poweroff;
arm_pm_restart = mioa701_restart;
platform_add_devices(devices, ARRAY_SIZE(devices));
gsm_init();
mioa701_battery_init();
}
/**
* bi_udc_init - initialize USB Device Controller
*
* Get ready to use the USB Device Controller.
*
* Register an interrupt handler and IO region. Return non-zero for error.
*/
int bi_udc_init (void)
{
dbg_init (1, "Loading %s", udc_name ());
bi_driver.name = udc_name ();
bi_driver.max_endpoints = udc_max_endpoints ();
bi_driver.maxpacketsize = udc_ep0_packetsize ();
dbg_init (1, "name: %s endpoints: %d ep0: %d", bi_driver.name, bi_driver.max_endpoints,
bi_driver.maxpacketsize);
// request device IRQ
if (udc_request_udc_irq ()) {
dbg_init (0, "name: %s request udc irq failed", udc_name ());
return -EINVAL;
}
// request device IO
if (udc_request_io ()) {
udc_release_udc_irq ();
dbg_init (0, "name: %s request udc io failed", udc_name ());
return -EINVAL;
}
// probe for device
if (udc_init ()) {
udc_release_udc_irq ();
udc_release_io ();
dbg_init (1, "name: %s probe failed", udc_name ());
return -EINVAL;
}
// optional cable IRQ
have_cable_irq = !udc_request_cable_irq ();
dbg_init (1, "name: %s request cable irq %d", udc_name (), have_cable_irq);
return 0;
}
