/*!
* generic_cf_modinit() - module init
*
* This is called by the Linux kernel; either when the module is loaded
* if compiled as a module, or during the system intialization if the
* driver is linked into the kernel.
*
* This function will parse module parameters if required and then register
* the generic driver with the USB Device software.
*
*/
static int generic_cf_modinit (void)
{
int i;
#if !defined(OTG_C99)
//generic_cf_global_init();
#endif /* defined(OTG_C99) */
GENERIC = otg_trace_obtain_tag();
i = MODPARM(idVendor);
printk (KERN_INFO "Model ID is %s",MODPARM(iProduct));
#if 0
TRACE_MSG4(GENERIC, "config_name: \"%s\" load_all: %d class_name: \"%s\" interface_names: \"%s\"",
MODPARM(config_name) ? MODPARM(config_name) : "",
MODPARM(load_all),
MODPARM(class_name) ? MODPARM(class_name) : "",
MODPARM(interface_names) ? MODPARM(interface_names) : "");
#else
TRACE_MSG5(GENERIC, "config_name: \"%s\" load_all: %d class_name: \"%s\" interface_names: \"%s\" Serial: \"%s\"",
generic_config_name(),
MODPARM(load_all),
MODPARM(class_name) ? MODPARM(class_name) : "",
MODPARM(interface_names) ? MODPARM(interface_names) : "",
MODPARM(iSerialNumber) ? MODPARM(iSerialNumber) : "");
#endif
/* load config or configs
*/
if (preset_config_name() || MODPARM(load_all)) {
if (preset_config_name()){
MODPARM(load_all) = 0;
}
printk (KERN_INFO "%s: config_name: \"%s\" load_all: %d\n",
__FUNCTION__, generic_config_name() , MODPARM(load_all));
/* search for named config
*/
for (i = 0; ; i++) {
struct generic_config *config = generic_configs + i;
BREAK_UNLESS(config->interface_names);
printk(KERN_INFO"%s: checking[%d] \"%s\"\n", __FUNCTION__, i, config->composite_driver.driver.name);
if (MODPARM(iSerialNumber) && strlen(MODPARM(iSerialNumber)) &&
/* For the moment, we will only use serial number for msc and mtp. I suggest we come up with a more generic
way to determine if a function driver needs to use the serial number. (for instance another function member. */
( ( !strcmp(config->composite_driver.driver.name, "mtp")) || !strcmp(config->composite_driver.driver.name, "msc")) ){
config->device_description.iSerialNumber = MODPARM(iSerialNumber);
}
config->device_description.iProduct = MODPARM(iProduct);
generic_cf_register(config, generic_config_name());
//printk(KERN_INFO"%s: loaded %s\n", __FUNCTION__, config->composite_driver.driver.name);
}
}
else {
struct generic_config *config = &generic_config;
//printk (KERN_INFO "%s: idVendor: %04x idProduct: %04x\n", __FUNCTION__, MODPARM(idVendor), MODPARM(idProduct));
//printk (KERN_INFO "%s: class_name: \"%s\" _interface_names: \"%s\"\n",
// __FUNCTION__, MODPARM(class_name), MODPARM(interface_names));
if (MODPARM(driver_name) && strlen(MODPARM(driver_name)))
config->composite_driver.driver.name = MODPARM(driver_name);
if (MODPARM(class_name) && strlen(MODPARM(class_name)))
config->class_name = MODPARM(class_name);
if (MODPARM(interface_names) && strlen(MODPARM(interface_names)))
config->interface_names = MODPARM(interface_names);
if (MODPARM(iConfiguration) && strlen(MODPARM(iConfiguration)))
config->configuration_description.iConfiguration = MODPARM(iConfiguration);
if (MODPARM(bDeviceClass))
config->device_description.bDeviceClass = MODPARM(bDeviceClass);
if (MODPARM(bDeviceSubClass))
config->device_description.bDeviceSubClass = MODPARM(bDeviceSubClass);
if (MODPARM(bDeviceProtocol))
config->device_description.bDeviceProtocol = MODPARM(bDeviceProtocol);
if (MODPARM(idVendor))
config->device_description.idVendor = MODPARM(idVendor);
else
config->device_description.idVendor = CONFIG_OTG_GENERIC_VENDORID;
if (MODPARM(idProduct))
config->device_description.idProduct = MODPARM(idProduct);
else
config->device_description.idProduct = CONFIG_OTG_GENERIC_PRODUCTID;
if (MODPARM(bcdDevice))
config->device_description.bcdDevice = MODPARM(bcdDevice);
else
config->device_description.bcdDevice = CONFIG_OTG_GENERIC_BCDDEVICE;
if (MODPARM(iManufacturer) && strlen(MODPARM(iManufacturer)))
config->device_description.iManufacturer = MODPARM(iManufacturer);
else
config->device_description.iManufacturer = CONFIG_OTG_GENERIC_MANUFACTURER;
if (MODPARM(iProduct) && strlen(MODPARM(iProduct)))
config->device_description.iProduct = MODPARM(iProduct);
else
config->device_description.iProduct = CONFIG_OTG_GENERIC_PRODUCT_NAME;
if (MODPARM(iSerialNumber) && strlen(MODPARM(iSerialNumber))){
config->device_description.iSerialNumber = MODPARM(iSerialNumber);
}
if (MODPARM(interface_names))
config->interface_names = MODPARM(interface_names);
generic_cf_register(config, NULL);
}
return 0;
}
static char *generic_config_name(void){
if(MODPARM(config_name) && strlen(MODPARM(config_name))) return MODPARM(config_name);
return default_predefined_configuration;
}
/*!
* generic_cf_register()
*
*/
void generic_cf_register(struct generic_config *config, char *match)
{
char *cp, *sp, *lp;
int i;
char **interface_list = NULL;
int interfaces = 0;
//printk(KERN_INFO"%s: Driver: \"%s\" idVendor: %04x idProduct: %04x interface_names: \"%s\" match: \"%s\"\n",
// __FUNCTION__,
// config->composite_driver.driver.name, MODPARM(idVendor), MODPARM(idProduct), config->interface_names,
// match ? match : "");
TRACE_MSG5(GENERIC, "Driver: \"%s\" idVendor: %04x idProduct: %04x interface_names: \"%s\" match: \"%s\"",
config->composite_driver.driver.name, MODPARM(idVendor), MODPARM(idProduct), config->interface_names,
match ? match : "");
RETURN_IF (match && strlen(match) && strcmp(match, config->composite_driver.driver.name));
//printk(KERN_INFO"%s: MATCHED\n", __FUNCTION__);
/* decompose interface names to construct interface_list
*/
RETURN_UNLESS (config->interface_names && strlen(config->interface_names));
/* count interface names and allocate _interface_names array
*/
for (cp = sp = config->interface_names, interfaces = 0; cp && *cp; ) {
for (; *cp && *cp == ':'; cp++); // skip white space
sp = cp; // save start of token
for (; *cp && *cp != ':'; cp++); // find end of token
BREAK_IF (sp == cp);
if (*cp) cp++;
interfaces++;
}
THROW_UNLESS(interfaces, error);
TRACE_MSG1(GENERIC, "interfaces: %d", interfaces);
THROW_UNLESS((interface_list = (char **) CKMALLOC (sizeof (char *) * (interfaces + 1), GFP_KERNEL)), error);
for (cp = sp = config->interface_names, interfaces = 0; cp && *cp; interfaces++) {
for (; *cp && *cp == ':'; cp++); // skip white space
sp = cp; // save start of token
for (; *cp && *cp != ':'; cp++); // find end of token
BREAK_IF (sp == cp);
lp = cp;
if (*cp) cp++;
*lp = '\0';
lp = CKMALLOC(strlen(sp), GFP_KERNEL);
strcpy(lp, sp);
interface_list[interfaces] = lp;
TRACE_MSG3(GENERIC, "INTERFACE[%2d] %x \"%s\"",
interfaces, interface_list[interfaces], interface_list[interfaces]);
}
config->composite_driver.device_description = &config->device_description;
config->composite_driver.configuration_description = &config->configuration_description;
config->composite_driver.driver.fops = &generic_function_ops;
config->interface_list = interface_list;
THROW_IF (usbd_register_composite_function (
&config->composite_driver,
config->composite_driver.driver.name,
config->class_name,
config->interface_list, NULL), error);
config->registered++;
TRACE_MSG0(GENERIC, "REGISTER FINISHED");
CATCH(error) {
otg_trace_invalidate_tag(GENERIC);
}
}
/*!
* zasevb_modinit() - linux module initialization
*
* This needs to initialize the hcd, pcd and tcd drivers. This includes tcd and possibly hcd
* for some architectures.
*
*/
static int zasevb_modinit (void)
{
struct otg_instance *otg = NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
struct clk *clk = clk_get(NULL, "usb_clk");
clk_enable(clk);
clk_put(clk);
#endif
THROW_UNLESS((otg = otg_create()), error);
mxc_pcd_ops_init();
#if !defined(OTG_C99)
pcd_global_init();
fs_ocd_global_init();
zasevb_tcd_global_init();
fs_pcd_global_init();
#endif /* !defined(OTG_C99) */
ZAS = otg_trace_obtain_tag(otg, "zas");
mxc_procfs_init();
TRACE_MSG0(ZAS, "1. ZAS");
#if 0
/* ZAS EVB Platform setup
*/
TRACE_MSG4(ZAS, "BCTRL Version: %04x Status: %04x 1: %04x 2: %04x",
readw(PBC_BASE_ADDRESS ),
readw(PBC_BASE_ADDRESS + PBC_BSTAT),
readw(PBC_BASE_ADDRESS + PBC_BCTRL1_SET),
readw(PBC_BASE_ADDRESS + PBC_BCTRL2_SET));
#endif
/* ZAS EVB Clock setup
*/
#if defined(CONFIG_ARCH_ARGONPLUS) || defined(CONFIG_ARCH_ARGONLV)
#define ZASEVB_MULTIPLIER 12
#define ZASEVB_DIVISOR 775 // ~10.
#else
#define ZASEVB_MULTIPLIER 12
#define ZASEVB_DIVISOR 155
#endif
TRACE_MSG0(ZAS, "2. Setup GPT");
THROW_UNLESS(ocd_instance = otg_set_ocd_ops(otg, &ocd_ops), error);
REMOVE_OCD = ocd_instance->TAG;
// XXX THROW_IF((ocd_ops.mod_init ? ocd_ops.mod_init() : 0), error);
#if defined(CONFIG_OTG_GPTR)
mxc_gptcr_mod_init(ZASEVB_DIVISOR, ZASEVB_MULTIPLIER);
#endif /* defined(CONFIG_OTG_GPTR) */
#if defined(CONFIG_OTG_HRT)
mxc_hrt_mod_init(otg, ZASEVB_DIVISOR, ZASEVB_MULTIPLIER);
#endif /* defined(CONFIG_OTG_GPTR) */
#if !defined(CONFIG_USB_HOST)
TRACE_MSG0(ZAS, "3. PCD");
THROW_UNLESS(REMOVE_pcd_instance = otg_set_pcd_ops(otg, &pcd_ops), error);
REMOVE_PCD = REMOVE_pcd_instance->TAG;
// XXX THROW_IF((pcd_ops.mod_init ? pcd_ops.mod_init() : 0), error);
#else /* !defined(CONFIG_USB_HOST) */
printk(KERN_INFO"%s: PCD DRIVER N/A\n", __FUNCTION__);
#endif /* !defined(CONFIG_USB_HOST) */
TRACE_MSG0(ZAS, "4. TCD");
THROW_UNLESS(REMOVE_tcd_instance = otg_set_tcd_ops(otg, &tcd_ops), error);
REMOVE_TCD = REMOVE_tcd_instance->TAG;
// XXX THROW_IF((tcd_ops.mod_init ? tcd_ops.mod_init() : 0), error);
#ifdef OTG_USE_I2C
TRACE_MSG0(ZAS, "0. I2C");
i2c_mod_init(otg);
#endif
#if defined(CONFIG_OTG_USB_HOST) || defined(CONFIG_OTG_USB_PERIPHERAL_OR_HOST)|| defined(CONFIG_OTG_DEVICE)
TRACE_MSG0(ZAS, "5. Host");
THROW_UNLESS(hcd_instance = otg_set_hcd_ops(otg, &hcd_ops), error);
HCD = hcd_instance->TAG;
// XXX THROW_IF((hcd_ops.mod_init) ? hcd_ops.mod_init() : 0, error);
#else /* defined(CONFIG_OTG_USB_HOST) || defined(CONFIG_OTG_USB_PERIPHERAL_OR_HOST)|| defined(CONFIG_OTG_DEVICE) */
printk(KERN_INFO"%s: HCD DRIVER N/A\n", __FUNCTION__);
#endif /* defined(CONFIG_OTG_USB_HOST) || defined(CONFIG_OTG_USB_PERIPHERAL_OR_HOST)|| defined(CONFIG_OTG_DEVICE) */
TRACE_MSG0(ZAS, "6. Init & check");
THROW_IF((ocd_ops.mod_init ? ocd_ops.mod_init(otg) : 0), error);
#if !defined(CONFIG_USB_HOST)
THROW_IF((pcd_ops.mod_init ? pcd_ops.mod_init(otg) : 0), error);
#endif /* !defined(CONFIG_USB_HOST) */
THROW_IF((tcd_ops.mod_init ? tcd_ops.mod_init(otg) : 0), error);
#if defined(CONFIG_OTG_USB_HOST) || defined(CONFIG_OTG_USB_PERIPHERAL_OR_HOST)|| defined(CONFIG_OTG_DEVICE)
THROW_IF((hcd_ops.mod_init) ? hcd_ops.mod_init(otg) : 0, error);
#endif /* defined(CONFIG_OTG_USB_HOST) || defined(CONFIG_OTG_USB_PERIPHERAL_OR_HOST)|| defined(CONFIG_OTG_DEVICE) */
THROW_UNLESS(ocd_instance && (otg = ocd_instance->otg), error);
TRACE_MSG0(ZAS, "7. otg_init");
if (MODPARM(serial_number_str) && strlen(MODPARM(serial_number_str))) {
TRACE_MSG1(ZAS, "serial_number_str: %s", MODPARM(serial_number_str));
otg_serial_number (otg, MODPARM(serial_number_str));
}
otg_init(otg);
return 0;
CATCH(error) {
//zasevb_modexit();
return -EINVAL;
}
return 0;
}
