usb wacom: use new descriptor infrastructure.

Switch the usb wavom driver over to the
new descriptor infrastructure.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2010-11-25 16:12:06 +01:00
parent 81bfd2f246
commit 037a5203de

View File

@ -28,6 +28,7 @@
#include "hw.h" #include "hw.h"
#include "console.h" #include "console.h"
#include "usb.h" #include "usb.h"
#include "usb-desc.h"
/* Interface requests */ /* Interface requests */
#define WACOM_GET_REPORT 0x2101 #define WACOM_GET_REPORT 0x2101
@ -54,68 +55,75 @@ typedef struct USBWacomState {
int changed; int changed;
} USBWacomState; } USBWacomState;
static const uint8_t qemu_wacom_dev_descriptor[] = { enum {
0x12, /* u8 bLength; */ STR_MANUFACTURER = 1,
0x01, /* u8 bDescriptorType; Device */ STR_PRODUCT,
0x10, 0x10, /* u16 bcdUSB; v1.10 */ STR_SERIALNUMBER,
0x00, /* u8 bDeviceClass; */
0x00, /* u8 bDeviceSubClass; */
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
0x08, /* u8 bMaxPacketSize0; 8 Bytes */
0x6a, 0x05, /* u16 idVendor; */
0x00, 0x00, /* u16 idProduct; */
0x10, 0x42, /* u16 bcdDevice */
0x01, /* u8 iManufacturer; */
0x02, /* u8 iProduct; */
0x00, /* u8 iSerialNumber; */
0x01, /* u8 bNumConfigurations; */
}; };
static const uint8_t qemu_wacom_config_descriptor[] = { static const USBDescStrings desc_strings = {
/* one configuration */ [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
0x09, /* u8 bLength; */ [STR_PRODUCT] = "Wacom PenPartner",
0x02, /* u8 bDescriptorType; Configuration */ [STR_SERIALNUMBER] = "1",
0x22, 0x00, /* u16 wTotalLength; */ };
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x00, /* u8 iConfiguration; */
0x80, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
40, /* u8 MaxPower; */
/* one interface */ static const USBDescIface desc_iface_wacom = {
0x09, /* u8 if_bLength; */ .bInterfaceNumber = 0,
0x04, /* u8 if_bDescriptorType; Interface */ .bNumEndpoints = 1,
0x00, /* u8 if_bInterfaceNumber; */ .bInterfaceClass = USB_CLASS_HID,
0x00, /* u8 if_bAlternateSetting; */ .bInterfaceSubClass = 0x01, /* boot */
0x01, /* u8 if_bNumEndpoints; */ .bInterfaceProtocol = 0x02,
0x03, /* u8 if_bInterfaceClass; HID */ .ndesc = 1,
0x01, /* u8 if_bInterfaceSubClass; Boot */ .descs = (USBDescOther[]) {
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ {
0x00, /* u8 if_iInterface; */ /* HID descriptor */
.data = (uint8_t[]) {
0x09, /* u8 bLength */
0x21, /* u8 bDescriptorType */
0x01, 0x10, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type: Report */
0x6e, 0, /* u16 len */
},
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = 8,
.bInterval = 0x0a,
},
},
};
/* HID descriptor */ static const USBDescDevice desc_device_wacom = {
0x09, /* u8 bLength; */ .bcdUSB = 0x0110,
0x21, /* u8 bDescriptorType; */ .bMaxPacketSize0 = 8,
0x01, 0x10, /* u16 HID_class */ .bNumConfigurations = 1,
0x00, /* u8 country_code */ .confs = (USBDescConfig[]) {
0x01, /* u8 num_descriptors */ {
0x22, /* u8 type; Report */ .bNumInterfaces = 1,
0x6e, 0x00, /* u16 len */ .bConfigurationValue = 1,
.bmAttributes = 0x80,
.bMaxPower = 40,
.ifs = &desc_iface_wacom,
},
},
};
/* one endpoint (status change endpoint) */ static const USBDesc desc_wacom = {
0x07, /* u8 ep_bLength; */ .id = {
0x05, /* u8 ep_bDescriptorType; Endpoint */ .idVendor = 0x056a,
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ .idProduct = 0x0000,
0x03, /* u8 ep_bmAttributes; Interrupt */ .bcdDevice = 0x4210,
0x08, 0x00, /* u16 ep_wMaxPacketSize; */ .iManufacturer = STR_MANUFACTURER,
0x0a, /* u8 ep_bInterval; */ .iProduct = STR_PRODUCT,
.iSerialNumber = STR_SERIALNUMBER,
},
.full = &desc_device_wacom,
.str = desc_strings,
}; };
static void usb_mouse_event(void *opaque, static void usb_mouse_event(void *opaque,
@ -245,8 +253,14 @@ static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
int index, int length, uint8_t *data) int index, int length, uint8_t *data)
{ {
USBWacomState *s = (USBWacomState *) dev; USBWacomState *s = (USBWacomState *) dev;
int ret = 0; int ret;
ret = usb_desc_handle_control(dev, request, value, index, length, data);
if (ret >= 0) {
return ret;
}
ret = 0;
switch (request) { switch (request) {
case DeviceRequest | USB_REQ_GET_STATUS: case DeviceRequest | USB_REQ_GET_STATUS:
data[0] = (1 << USB_DEVICE_SELF_POWERED) | data[0] = (1 << USB_DEVICE_SELF_POWERED) |
@ -274,53 +288,6 @@ static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
dev->addr = value; dev->addr = value;
ret = 0; ret = 0;
break; break;
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch (value >> 8) {
case USB_DT_DEVICE:
memcpy(data, qemu_wacom_dev_descriptor,
sizeof(qemu_wacom_dev_descriptor));
ret = sizeof(qemu_wacom_dev_descriptor);
break;
case USB_DT_CONFIG:
memcpy(data, qemu_wacom_config_descriptor,
sizeof(qemu_wacom_config_descriptor));
ret = sizeof(qemu_wacom_config_descriptor);
break;
case USB_DT_STRING:
switch (value & 0xff) {
case 0:
/* language ids */
data[0] = 4;
data[1] = 3;
data[2] = 0x09;
data[3] = 0x04;
ret = 4;
break;
case 1:
/* serial number */
ret = set_usb_string(data, "1");
break;
case 2:
ret = set_usb_string(data, "Wacom PenPartner");
break;
case 3:
/* vendor description */
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
break;
case 4:
ret = set_usb_string(data, "Wacom Tablet");
break;
case 5:
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
break;
default:
goto fail;
}
break;
default:
goto fail;
}
break;
case DeviceRequest | USB_REQ_GET_CONFIGURATION: case DeviceRequest | USB_REQ_GET_CONFIGURATION:
data[0] = 1; data[0] = 1;
ret = 1; ret = 1;
@ -420,6 +387,7 @@ static struct USBDeviceInfo wacom_info = {
.qdev.name = "usb-wacom-tablet", .qdev.name = "usb-wacom-tablet",
.qdev.desc = "QEMU PenPartner Tablet", .qdev.desc = "QEMU PenPartner Tablet",
.usbdevice_name = "wacom-tablet", .usbdevice_name = "wacom-tablet",
.usb_desc = &desc_wacom,
.qdev.size = sizeof(USBWacomState), .qdev.size = sizeof(USBWacomState),
.init = usb_wacom_initfn, .init = usb_wacom_initfn,
.handle_packet = usb_generic_handle_packet, .handle_packet = usb_generic_handle_packet,