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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
parent
81bfd2f246
commit
037a5203de
178
hw/usb-wacom.c
178
hw/usb-wacom.c
@ -28,6 +28,7 @@
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#include "hw.h"
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#include "console.h"
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#include "usb.h"
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#include "usb-desc.h"
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/* Interface requests */
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#define WACOM_GET_REPORT 0x2101
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@ -54,68 +55,75 @@ typedef struct USBWacomState {
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int changed;
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} USBWacomState;
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static const uint8_t qemu_wacom_dev_descriptor[] = {
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0x12, /* u8 bLength; */
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0x01, /* u8 bDescriptorType; Device */
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0x10, 0x10, /* u16 bcdUSB; v1.10 */
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0x00, /* u8 bDeviceClass; */
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0x00, /* u8 bDeviceSubClass; */
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0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
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0x08, /* u8 bMaxPacketSize0; 8 Bytes */
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0x6a, 0x05, /* u16 idVendor; */
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0x00, 0x00, /* u16 idProduct; */
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0x10, 0x42, /* u16 bcdDevice */
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0x01, /* u8 iManufacturer; */
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0x02, /* u8 iProduct; */
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0x00, /* u8 iSerialNumber; */
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0x01, /* u8 bNumConfigurations; */
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enum {
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STR_MANUFACTURER = 1,
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STR_PRODUCT,
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STR_SERIALNUMBER,
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};
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static const uint8_t qemu_wacom_config_descriptor[] = {
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/* one configuration */
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0x09, /* u8 bLength; */
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0x02, /* u8 bDescriptorType; Configuration */
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0x22, 0x00, /* u16 wTotalLength; */
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0x01, /* u8 bNumInterfaces; (1) */
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0x01, /* u8 bConfigurationValue; */
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0x00, /* u8 iConfiguration; */
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0x80, /* u8 bmAttributes;
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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40, /* u8 MaxPower; */
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static const USBDescStrings desc_strings = {
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[STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
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[STR_PRODUCT] = "Wacom PenPartner",
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[STR_SERIALNUMBER] = "1",
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};
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/* one interface */
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0x09, /* u8 if_bLength; */
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0x04, /* u8 if_bDescriptorType; Interface */
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0x00, /* u8 if_bInterfaceNumber; */
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0x00, /* u8 if_bAlternateSetting; */
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0x01, /* u8 if_bNumEndpoints; */
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0x03, /* u8 if_bInterfaceClass; HID */
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0x01, /* u8 if_bInterfaceSubClass; Boot */
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0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
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0x00, /* u8 if_iInterface; */
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static const USBDescIface desc_iface_wacom = {
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.bInterfaceNumber = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceSubClass = 0x01, /* boot */
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.bInterfaceProtocol = 0x02,
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.ndesc = 1,
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.descs = (USBDescOther[]) {
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{
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/* HID descriptor */
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.data = (uint8_t[]) {
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0x09, /* u8 bLength */
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0x21, /* u8 bDescriptorType */
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0x01, 0x10, /* u16 HID_class */
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0x00, /* u8 country_code */
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0x01, /* u8 num_descriptors */
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0x22, /* u8 type: Report */
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0x6e, 0, /* u16 len */
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},
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},
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},
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.eps = (USBDescEndpoint[]) {
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{
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.bEndpointAddress = USB_DIR_IN | 0x01,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = 8,
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.bInterval = 0x0a,
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},
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},
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};
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/* HID descriptor */
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0x09, /* u8 bLength; */
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0x21, /* u8 bDescriptorType; */
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0x01, 0x10, /* u16 HID_class */
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0x00, /* u8 country_code */
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0x01, /* u8 num_descriptors */
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0x22, /* u8 type; Report */
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0x6e, 0x00, /* u16 len */
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static const USBDescDevice desc_device_wacom = {
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.bcdUSB = 0x0110,
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.bMaxPacketSize0 = 8,
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.bNumConfigurations = 1,
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.confs = (USBDescConfig[]) {
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{
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.bmAttributes = 0x80,
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.bMaxPower = 40,
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.ifs = &desc_iface_wacom,
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},
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},
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};
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/* one endpoint (status change endpoint) */
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0x07, /* u8 ep_bLength; */
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0x05, /* u8 ep_bDescriptorType; Endpoint */
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
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0x03, /* u8 ep_bmAttributes; Interrupt */
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0x08, 0x00, /* u16 ep_wMaxPacketSize; */
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0x0a, /* u8 ep_bInterval; */
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static const USBDesc desc_wacom = {
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.id = {
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.idVendor = 0x056a,
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.idProduct = 0x0000,
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.bcdDevice = 0x4210,
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.iManufacturer = STR_MANUFACTURER,
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.iProduct = STR_PRODUCT,
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.iSerialNumber = STR_SERIALNUMBER,
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},
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.full = &desc_device_wacom,
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.str = desc_strings,
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};
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static void usb_mouse_event(void *opaque,
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@ -245,8 +253,14 @@ static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
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int index, int length, uint8_t *data)
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{
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USBWacomState *s = (USBWacomState *) dev;
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int ret = 0;
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int ret;
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ret = usb_desc_handle_control(dev, request, value, index, length, data);
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if (ret >= 0) {
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return ret;
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}
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ret = 0;
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switch (request) {
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case DeviceRequest | USB_REQ_GET_STATUS:
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data[0] = (1 << USB_DEVICE_SELF_POWERED) |
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@ -274,53 +288,6 @@ static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
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dev->addr = value;
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ret = 0;
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break;
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case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
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switch (value >> 8) {
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case USB_DT_DEVICE:
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memcpy(data, qemu_wacom_dev_descriptor,
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sizeof(qemu_wacom_dev_descriptor));
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ret = sizeof(qemu_wacom_dev_descriptor);
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break;
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case USB_DT_CONFIG:
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memcpy(data, qemu_wacom_config_descriptor,
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sizeof(qemu_wacom_config_descriptor));
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ret = sizeof(qemu_wacom_config_descriptor);
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break;
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case USB_DT_STRING:
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switch (value & 0xff) {
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case 0:
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/* language ids */
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data[0] = 4;
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data[1] = 3;
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data[2] = 0x09;
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data[3] = 0x04;
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ret = 4;
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break;
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case 1:
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/* serial number */
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ret = set_usb_string(data, "1");
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break;
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case 2:
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ret = set_usb_string(data, "Wacom PenPartner");
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break;
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case 3:
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/* vendor description */
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ret = set_usb_string(data, "QEMU " QEMU_VERSION);
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break;
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case 4:
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ret = set_usb_string(data, "Wacom Tablet");
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break;
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case 5:
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ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
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break;
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default:
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goto fail;
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}
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break;
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default:
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goto fail;
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}
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break;
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case DeviceRequest | USB_REQ_GET_CONFIGURATION:
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data[0] = 1;
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ret = 1;
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@ -420,6 +387,7 @@ static struct USBDeviceInfo wacom_info = {
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.qdev.name = "usb-wacom-tablet",
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.qdev.desc = "QEMU PenPartner Tablet",
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.usbdevice_name = "wacom-tablet",
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.usb_desc = &desc_wacom,
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.qdev.size = sizeof(USBWacomState),
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.init = usb_wacom_initfn,
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.handle_packet = usb_generic_handle_packet,
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