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path: root/drivers/usbtty.c
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Diffstat (limited to 'drivers/usbtty.c')
-rw-r--r--drivers/usbtty.c164
1 files changed, 82 insertions, 82 deletions
diff --git a/drivers/usbtty.c b/drivers/usbtty.c
index ed96999..d41a00b 100644
--- a/drivers/usbtty.c
+++ b/drivers/usbtty.c
@@ -1,7 +1,7 @@
/*
* (C) Copyright 2003
* Gerry Hamel, geh@ti.com, Texas Instruments
- *
+ *
* (C) Copyright 2006
* Bryan O'Donoghue, bodonoghue@codehermit.ie
*
@@ -31,7 +31,7 @@
#include "usb_cdc_acm.h"
#include "usbdescriptors.h"
#include <config.h> /* If defined, override Linux identifiers with
- * vendor specific ones */
+ * vendor specific ones */
#if 0
#define TTYDBG(fmt,args...)\
@@ -142,10 +142,10 @@ static struct usb_device_descriptor device_descriptor = {
struct acm_config_desc {
struct usb_configuration_descriptor configuration_desc;
-
+
/* Master Interface */
struct usb_interface_descriptor interface_desc;
-
+
struct usb_class_header_function_descriptor usb_class_header;
struct usb_class_call_management_descriptor usb_class_call_mgt;
struct usb_class_abstract_control_descriptor usb_class_acm;
@@ -154,22 +154,22 @@ struct acm_config_desc {
/* Slave Interface */
struct usb_interface_descriptor data_class_interface;
- struct usb_endpoint_descriptor
+ struct usb_endpoint_descriptor
data_endpoints[NUM_ENDPOINTS-1] __attribute__((packed));
} __attribute__((packed));
static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
{
.configuration_desc ={
- .bLength =
+ .bLength =
sizeof(struct usb_configuration_descriptor),
.bDescriptorType = USB_DT_CONFIG,
- .wTotalLength =
+ .wTotalLength =
cpu_to_le16(sizeof(struct acm_config_desc)),
.bNumInterfaces = NUM_ACM_INTERFACES,
.bConfigurationValue = 1,
.iConfiguration = STR_CONFIG,
- .bmAttributes =
+ .bmAttributes =
BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED,
.bMaxPower = USBTTY_MAXPOWER
},
@@ -180,62 +180,62 @@ static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 0x01,
- .bInterfaceClass =
+ .bInterfaceClass =
COMMUNICATIONS_INTERFACE_CLASS_CONTROL,
.bInterfaceSubClass = COMMUNICATIONS_ACM_SUBCLASS,
.bInterfaceProtocol = COMMUNICATIONS_V25TER_PROTOCOL,
.iInterface = STR_CTRL_INTERFACE,
},
.usb_class_header = {
- .bFunctionLength =
+ .bFunctionLength =
sizeof(struct usb_class_header_function_descriptor),
- .bDescriptorType = CS_INTERFACE,
+ .bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_ST_HEADER,
.bcdCDC = cpu_to_le16(110),
},
.usb_class_call_mgt = {
- .bFunctionLength =
+ .bFunctionLength =
sizeof(struct usb_class_call_management_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_ST_CMF,
- .bmCapabilities = 0x00,
- .bDataInterface = 0x01,
+ .bmCapabilities = 0x00,
+ .bDataInterface = 0x01,
},
.usb_class_acm = {
- .bFunctionLength =
+ .bFunctionLength =
sizeof(struct usb_class_abstract_control_descriptor),
.bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_ST_ACMF,
- .bmCapabilities = 0x00,
+ .bDescriptorSubtype = USB_ST_ACMF,
+ .bmCapabilities = 0x00,
},
.usb_class_union = {
- .bFunctionLength =
+ .bFunctionLength =
sizeof(struct usb_class_union_function_descriptor),
.bDescriptorType = CS_INTERFACE,
.bDescriptorSubtype = USB_ST_UF,
- .bMasterInterface = 0x00,
- .bSlaveInterface0 = 0x01,
+ .bMasterInterface = 0x00,
+ .bSlaveInterface0 = 0x01,
},
.notification_endpoint = {
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x01 | USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize
+ .wMaxPacketSize
= cpu_to_le16(CONFIG_USBD_SERIAL_INT_PKTSIZE),
.bInterval = 0xFF,
},
/* Interface 2 */
.data_class_interface = {
- .bLength =
+ .bLength =
sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 0x01,
.bAlternateSetting = 0x00,
.bNumEndpoints = 0x02,
- .bInterfaceClass =
+ .bInterfaceClass =
COMMUNICATIONS_INTERFACE_CLASS_DATA,
.bInterfaceSubClass = DATA_INTERFACE_SUBCLASS_NONE,
.bInterfaceProtocol = DATA_INTERFACE_PROTOCOL_NONE,
@@ -243,30 +243,30 @@ static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
},
.data_endpoints = {
{
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x02 | USB_DIR_OUT,
- .bmAttributes =
+ .bmAttributes =
USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
+ .wMaxPacketSize =
cpu_to_le16(CONFIG_USBD_SERIAL_BULK_PKTSIZE),
.bInterval = 0xFF,
},
{
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x03 | USB_DIR_IN,
- .bmAttributes =
+ .bmAttributes =
USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
+ .wMaxPacketSize =
cpu_to_le16(CONFIG_USBD_SERIAL_BULK_PKTSIZE),
.bInterval = 0xFF,
},
},
},
-};
+};
static struct rs232_emu rs232_desc={
.dter = 115200,
@@ -282,75 +282,75 @@ static struct rs232_emu rs232_desc={
struct gserial_config_desc {
-
+
struct usb_configuration_descriptor configuration_desc;
- struct usb_interface_descriptor
+ struct usb_interface_descriptor
interface_desc[NUM_GSERIAL_INTERFACES] __attribute__((packed));
- struct usb_endpoint_descriptor
+ struct usb_endpoint_descriptor
data_endpoints[NUM_ENDPOINTS] __attribute__((packed));
} __attribute__((packed));
-static struct gserial_config_desc
+static struct gserial_config_desc
gserial_configuration_descriptors[NUM_CONFIGS] ={
{
.configuration_desc ={
.bLength = sizeof(struct usb_configuration_descriptor),
.bDescriptorType = USB_DT_CONFIG,
- .wTotalLength =
+ .wTotalLength =
cpu_to_le16(sizeof(struct gserial_config_desc)),
.bNumInterfaces = NUM_GSERIAL_INTERFACES,
.bConfigurationValue = 1,
.iConfiguration = STR_CONFIG,
- .bmAttributes =
+ .bmAttributes =
BMATTRIBUTE_SELF_POWERED|BMATTRIBUTE_RESERVED,
.bMaxPower = USBTTY_MAXPOWER
},
.interface_desc = {
{
- .bLength =
+ .bLength =
sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = NUM_ENDPOINTS,
- .bInterfaceClass =
+ .bInterfaceClass =
COMMUNICATIONS_INTERFACE_CLASS_VENDOR,
- .bInterfaceSubClass =
+ .bInterfaceSubClass =
COMMUNICATIONS_NO_SUBCLASS,
- .bInterfaceProtocol =
+ .bInterfaceProtocol =
COMMUNICATIONS_NO_PROTOCOL,
.iInterface = STR_DATA_INTERFACE
},
},
.data_endpoints = {
{
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x01 | USB_DIR_OUT,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
+ .wMaxPacketSize =
cpu_to_le16(CONFIG_USBD_SERIAL_OUT_PKTSIZE),
.bInterval= 0xFF,
},
{
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x02 | USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize =
+ .wMaxPacketSize =
cpu_to_le16(CONFIG_USBD_SERIAL_IN_PKTSIZE),
.bInterval = 0xFF,
},
{
- .bLength =
+ .bLength =
sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x03 | USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize =
+ .wMaxPacketSize =
cpu_to_le16(CONFIG_USBD_SERIAL_INT_PKTSIZE),
.bInterval = 0xFF,
},
@@ -368,7 +368,7 @@ static void usbtty_init_endpoints (void);
static void usbtty_init_terminal_type(short type);
static void usbtty_event_handler (struct usb_device_instance *device,
usb_device_event_t event, int data);
-static int usbtty_cdc_setup(struct usb_device_request *request,
+static int usbtty_cdc_setup(struct usb_device_request *request,
struct urb *urb);
static int usbtty_configured (void);
static int write_buffer (circbuf_t * buf);
@@ -477,12 +477,12 @@ static void __usbtty_puts (const char *str, int len)
/* Empty buffer here, if needed, to ensure space... */
if (space) {
write_buffer (&usbtty_output);
-
+
n = MIN (space, MIN (len, maxlen));
buf_push (&usbtty_output, str, n);
str += n;
- len -= n;
+ len -= n;
}
}
}
@@ -543,7 +543,7 @@ int drv_usbtty_init (void)
tt = "generic";
}
usbtty_init_terminal_type(strcmp(tt,"cdc_acm"));
-
+
/* prepare buffers... */
buf_init (&usbtty_input, USBTTY_BUFFER_SIZE);
buf_init (&usbtty_output, USBTTY_BUFFER_SIZE);
@@ -579,7 +579,7 @@ static void usbtty_init_strings (void)
{
struct usb_string_descriptor *string;
- usbtty_string_table[STR_LANG] =
+ usbtty_string_table[STR_LANG] =
(struct usb_string_descriptor*)wstrLang;
string = (struct usb_string_descriptor *) wstrManufacturer;
@@ -624,7 +624,7 @@ static void usbtty_init_strings (void)
/* Now, initialize the string table for ep0 handling */
usb_strings = usbtty_string_table;
-}
+}
static void usbtty_init_instances (void)
{
@@ -690,7 +690,7 @@ static void usbtty_init_instances (void)
endpoint_instance[i].rcv_packetSize =
le16_to_cpu(ep_descriptor_ptrs[i - 1]->wMaxPacketSize);
-
+
endpoint_instance[i].tx_attributes =
ep_descriptor_ptrs[i - 1]->bmAttributes;
@@ -721,30 +721,30 @@ static void usbtty_init_endpoints (void)
int i;
bus_instance->max_endpoints = NUM_ENDPOINTS + 1;
- for (i = 1; i <= NUM_ENDPOINTS; i++) {
+ for (i = 1; i <= NUM_ENDPOINTS; i++) {
udc_setup_ep (device_instance, i, &endpoint_instance[i]);
}
}
/* usbtty_init_terminal_type
- *
+ *
* Do some late binding for our device type.
*/
static void usbtty_init_terminal_type(short type)
{
switch(type){
- /* CDC ACM */
+ /* CDC ACM */
case 0:
/* Assign endpoint descriptors */
- ep_descriptor_ptrs[0] =
+ ep_descriptor_ptrs[0] =
&acm_configuration_descriptors[0].notification_endpoint;
- ep_descriptor_ptrs[1] =
+ ep_descriptor_ptrs[1] =
&acm_configuration_descriptors[0].data_endpoints[0];
- ep_descriptor_ptrs[2] =
+ ep_descriptor_ptrs[2] =
&acm_configuration_descriptors[0].data_endpoints[1];
/* Enumerate Device Descriptor */
- device_descriptor.bDeviceClass =
+ device_descriptor.bDeviceClass =
COMMUNICATIONS_DEVICE_CLASS;
device_descriptor.idProduct =
cpu_to_le16(CONFIG_USBD_PRODUCTID_CDCACM);
@@ -752,7 +752,7 @@ static void usbtty_init_terminal_type(short type)
/* Assign endpoint indices */
tx_endpoint = ACM_TX_ENDPOINT;
rx_endpoint = ACM_RX_ENDPOINT;
-
+
/* Configuration Descriptor */
configuration_descriptor =
(struct usb_configuration_descriptor*)
@@ -766,11 +766,11 @@ static void usbtty_init_terminal_type(short type)
case 1:
default:
/* Assign endpoint descriptors */
- ep_descriptor_ptrs[0] =
+ ep_descriptor_ptrs[0] =
&gserial_configuration_descriptors[0].data_endpoints[0];
- ep_descriptor_ptrs[1] =
+ ep_descriptor_ptrs[1] =
&gserial_configuration_descriptors[0].data_endpoints[1];
- ep_descriptor_ptrs[2] =
+ ep_descriptor_ptrs[2] =
&gserial_configuration_descriptors[0].data_endpoints[2];
/* Enumerate Device Descriptor */
@@ -783,7 +783,7 @@ static void usbtty_init_terminal_type(short type)
rx_endpoint = GSERIAL_RX_ENDPOINT;
/* Configuration Descriptor */
- configuration_descriptor =
+ configuration_descriptor =
(struct usb_configuration_descriptor*)
&gserial_configuration_descriptors;
@@ -832,14 +832,14 @@ static int write_buffer (circbuf_t * buf)
if (!usbtty_configured ()) {
return 0;
}
-
+
struct usb_endpoint_instance *endpoint =
&endpoint_instance[tx_endpoint];
struct urb *current_urb = NULL;
current_urb = next_urb (device_instance, endpoint);
- /* TX data still exists - send it now
- */
+ /* TX data still exists - send it now
+ */
if(endpoint->sent < current_urb->actual_length){
if(udc_endpoint_write (endpoint)){
/* Write pre-empted by RX */
@@ -854,11 +854,11 @@ static int write_buffer (circbuf_t * buf)
int popnum, popped;
int total = 0;
- /* Break buffer into urb sized pieces,
- * and link each to the endpoint
+ /* Break buffer into urb sized pieces,
+ * and link each to the endpoint
*/
while (buf->size > 0) {
-
+
if (!current_urb) {
TTYERR ("current_urb is NULL, buf->size %d\n",
buf->size);
@@ -881,8 +881,8 @@ static int write_buffer (circbuf_t * buf)
current_urb->actual_length += popped;
total += popped;
- /* If endpoint->last == 0, then transfers have
- * not started on this endpoint
+ /* If endpoint->last == 0, then transfers have
+ * not started on this endpoint
*/
if (endpoint->last == 0) {
if(udc_endpoint_write (endpoint)){
@@ -904,7 +904,7 @@ static int fill_buffer (circbuf_t * buf)
&endpoint_instance[rx_endpoint];
if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) {
- unsigned int nb = 0;
+ unsigned int nb = 0;
char *src = (char *) endpoint->rcv_urb->buffer;
unsigned int rx_avail = buf->totalsize - buf->size;
@@ -913,7 +913,7 @@ static int fill_buffer (circbuf_t * buf)
nb = endpoint->rcv_urb->actual_length;
buf_push (buf, src, nb);
endpoint->rcv_urb->actual_length = 0;
-
+
}
return nb;
}
@@ -958,7 +958,7 @@ int usbtty_cdc_setup(struct usb_device_request *request, struct urb *urb)
case ACM_SEND_ENCAPSULATED_COMMAND : /* Required */
break;
case ACM_SET_LINE_ENCODING : /* DTE stop/parity bits
- * per character */
+ * per character */
break;
case ACM_GET_ENCAPSULATED_RESPONSE : /* request response */
break;
@@ -986,8 +986,8 @@ void usbtty_poll (void)
/* New interrupts? */
udc_irq();
- /* Write any output data to host buffer
- * (do this before checking interrupts to avoid missing one)
+ /* Write any output data to host buffer
+ * (do this before checking interrupts to avoid missing one)
*/
if (usbtty_configured ()) {
write_buffer (&usbtty_output);
@@ -995,9 +995,9 @@ void usbtty_poll (void)
/* New interrupts? */
udc_irq();
-
- /* Check for new data from host..
- * (do this after checking interrupts to get latest data)
+
+ /* Check for new data from host..
+ * (do this after checking interrupts to get latest data)
*/
if (usbtty_configured ()) {
fill_buffer (&usbtty_input);
generated by cgit v1.1 at 2024-12-15 19:07:38 +0000