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pcsx2/plugins/USBqemu/usb-mic/usb-mic.c

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/*
* QEMU USB HID devices
*
* Copyright (c) 2005 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "vl.h"
/* HID interface requests */
#define GET_REPORT 0xa101
#define GET_IDLE 0xa102
#define GET_PROTOCOL 0xa103
#define SET_IDLE 0x210a
#define SET_PROTOCOL 0x210b
#define USB_MOUSE 1
#define USB_TABLET 2
#include "type.h"
#include "usb.h"
#include "audio.h"
#include "usbcfg.h"
#include "usbdesc.h"
/* mostly the same values as the Bochs USB Mouse device */
static const uint8_t qemu_mic_dev_descriptor[] = {
sizeof(qemu_mic_dev_descriptor), /* bLength */
1, /* bDescriptorType */
WBVAL(0x0110), /* 1.10 */ /* bcdUSB */
0x00, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
USB_MAX_PACKET0, /* bMaxPacketSize0 */
WBVAL(0xC251), /* idVendor */
WBVAL(0x1304), /* idProduct */
WBVAL(0x0100), /* 1.00 */ /* bcdDevice */
0x04, /* iManufacturer */
0x20, /* iProduct */
0x4A, /* iSerialNumber */
0x01 /* bNumConfigurations */
};
static const uint8_t qemu_mic_config_descriptor[] = {
/* Configuration 1 */
sizeof(qemu_mic_config_descriptor), /* bLength */
USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType */
WBVAL( /* wTotalLength */
USB_CONFIGUARTION_DESC_SIZE +
USB_INTERFACE_DESC_SIZE +
AUDIO_CONTROL_INTERFACE_DESC_SZ(1) +
AUDIO_INPUT_TERMINAL_DESC_SIZE +
AUDIO_FEATURE_UNIT_DESC_SZ(1,1) +
AUDIO_OUTPUT_TERMINAL_DESC_SIZE +
USB_INTERFACE_DESC_SIZE +
USB_INTERFACE_DESC_SIZE +
AUDIO_STREAMING_INTERFACE_DESC_SIZE +
AUDIO_FORMAT_TYPE_I_DESC_SZ(1) +
AUDIO_STANDARD_ENDPOINT_DESC_SIZE +
AUDIO_STREAMING_ENDPOINT_DESC_SIZE
),
0x02, /* bNumInterfaces */
0x01, /* bConfigurationValue */
0x00, /* iConfiguration */
USB_CONFIG_BUS_POWERED, /* bmAttributes */
USB_CONFIG_POWER_MA(100), /* bMaxPower */
/* Interface 0, Alternate Setting 0, Audio Control */
USB_INTERFACE_DESC_SIZE, /* bLength */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
0x00, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOCONTROL, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* Audio Control Interface */
AUDIO_CONTROL_INTERFACE_DESC_SZ(1), /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_HEADER, /* bDescriptorSubtype */
WBVAL(0x0100), /* 1.00 */ /* bcdADC */
WBVAL( /* wTotalLength */
AUDIO_CONTROL_INTERFACE_DESC_SZ(1) +
AUDIO_INPUT_TERMINAL_DESC_SIZE +
AUDIO_FEATURE_UNIT_DESC_SZ(1,1) +
AUDIO_OUTPUT_TERMINAL_DESC_SIZE
),
0x01, /* bInCollection */
0x01, /* baInterfaceNr */
/* Audio Input Terminal */
AUDIO_INPUT_TERMINAL_DESC_SIZE, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_INPUT_TERMINAL, /* bDescriptorSubtype */
0x01, /* bTerminalID */
WBVAL(AUDIO_TERMINAL_USB_STREAMING), /* wTerminalType */
0x00, /* bAssocTerminal */
0x01, /* bNrChannels */
WBVAL(AUDIO_CHANNEL_M), /* wChannelConfig */
0x00, /* iChannelNames */
0x00, /* iTerminal */
/* Audio Feature Unit */
AUDIO_FEATURE_UNIT_DESC_SZ(1,1), /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_FEATURE_UNIT, /* bDescriptorSubtype */
0x02, /* bUnitID */
0x01, /* bSourceID */
0x01, /* bControlSize */
AUDIO_CONTROL_MUTE |
AUDIO_CONTROL_VOLUME, /* bmaControls(0) */
0x00, /* bmaControls(1) */
0x00, /* iTerminal */
/* Audio Output Terminal */
AUDIO_OUTPUT_TERMINAL_DESC_SIZE, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_OUTPUT_TERMINAL, /* bDescriptorSubtype */
0x03, /* bTerminalID */
WBVAL(AUDIO_TERMINAL_SPEAKER), /* wTerminalType */
0x00, /* bAssocTerminal */
0x02, /* bSourceID */
0x00, /* iTerminal */
/* Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith */
USB_INTERFACE_DESC_SIZE, /* bLength */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* Interface 1, Alternate Setting 1, Audio Streaming - Operational */
USB_INTERFACE_DESC_SIZE, /* bLength */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x01, /* bAlternateSetting */
0x01, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* Audio Streaming Interface */
AUDIO_STREAMING_INTERFACE_DESC_SIZE, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */
0x01, /* bTerminalLink */
0x01, /* bDelay */
WBVAL(AUDIO_FORMAT_PCM), /* wFormatTag */
/* Audio Type I Format */
AUDIO_FORMAT_TYPE_I_DESC_SZ(1), /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */
AUDIO_FORMAT_TYPE_I, /* bFormatType */
0x01, /* bNrChannels */
0x02, /* bSubFrameSize */
16, /* bBitResolution */
0x01, /* bSamFreqType */
B3VAL(32000), /* tSamFreq */
/* Endpoint - Standard Descriptor */
AUDIO_STANDARD_ENDPOINT_DESC_SIZE, /* bLength */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */
USB_ENDPOINT_OUT(3), /* bEndpointAddress */
USB_ENDPOINT_TYPE_ISOCHRONOUS, /* bmAttributes */
WBVAL(64), /* wMaxPacketSize */
0x01, /* bInterval */
0x00, /* bRefresh */
0x00, /* bSynchAddress */
/* Endpoint - Audio Streaming */
AUDIO_STREAMING_ENDPOINT_DESC_SIZE, /* bLength */
AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_ENDPOINT_GENERAL, /* bDescriptor */
0x00, /* bmAttributes */
0x00, /* bLockDelayUnits */
WBVAL(0x0000), /* wLockDelay */
/* Terminator */
0 /* bLength */
};
static const uint8_t qemu_tablet_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x22, 0x00, /* u16 wTotalLength; */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x04, /* u8 iConfiguration; */
0xa0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
50, /* u8 MaxPower; */
/* USB 1.1:
* USB 2.0, single TT organization (mandatory):
* one interface, protocol 0
*
* USB 2.0, multiple TT organization (optional):
* two interfaces, protocols 1 (like single TT)
* and 2 (multiple TT mode) ... config is
* sometimes settable
* NOT IMPLEMENTED
*/
/* one interface */
0x09, /* u8 if_bLength; */
0x04, /* u8 if_bDescriptorType; Interface */
0x00, /* u8 if_bInterfaceNumber; */
0x00, /* u8 if_bAlternateSetting; */
0x01, /* u8 if_bNumEndpoints; */
0x03, /* u8 if_bInterfaceClass; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x01, 0x00, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
74, 0, /* u16 len */
/* one endpoint (status change endpoint) */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
0x03, /* u8 ep_bmAttributes; Interrupt */
0x08, 0x00, /* u16 ep_wMaxPacketSize; */
0x03, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
};
static const uint8_t qemu_mouse_hid_report_descriptor[] = {
0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01,
0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01,
0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x15, 0x81,
0x25, 0x7F, 0x75, 0x08, 0x95, 0x02, 0x81, 0x06,
0xC0, 0xC0,
};
static const uint8_t qemu_tablet_hid_report_descriptor[] = {
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x01, /* Usage Mouse */
0xA1, 0x01, /* Collection Application */
0x09, 0x01, /* Usage Pointer */
0xA1, 0x00, /* Collection Physical */
0x05, 0x09, /* Usage Page Button */
0x19, 0x01, /* Usage Minimum Button 1 */
0x29, 0x03, /* Usage Maximum Button 3 */
0x15, 0x00, /* Logical Minimum 0 */
0x25, 0x01, /* Logical Maximum 1 */
0x95, 0x03, /* Report Count 3 */
0x75, 0x01, /* Report Size 1 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x95, 0x01, /* Report Count 1 */
0x75, 0x05, /* Report Size 5 */
0x81, 0x01, /* Input (Cnst, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x30, /* Usage X */
0x09, 0x31, /* Usage Y */
0x15, 0x00, /* Logical Minimum 0 */
0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */
0x35, 0x00, /* Physical Minimum 0 */
0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */
0x75, 0x10, /* Report Size 16 */
0x95, 0x02, /* Report Count 2 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x38, /* Usage Wheel */
0x15, 0x81, /* Logical Minimum -127 */
0x25, 0x7F, /* Logical Maximum 127 */
0x35, 0x00, /* Physical Minimum 0 (same as logical) */
0x45, 0x00, /* Physical Maximum 0 (same as logical) */
0x75, 0x08, /* Report Size 8 */
0x95, 0x01, /* Report Count 1 */
0x81, 0x02, /* Input (Data, Var, Rel) */
0xC0, /* End Collection */
0xC0, /* End Collection */
};
static void usb_mouse_event(void *opaque,
int dx1, int dy1, int dz1, int buttons_state)
{
USBMouseState *s = opaque;
s->dx += dx1;
s->dy += dy1;
s->dz += dz1;
s->buttons_state = buttons_state;
}
static void usb_tablet_event(void *opaque,
int x, int y, int dz, int buttons_state)
{
USBMouseState *s = opaque;
s->x = x;
s->y = y;
s->dz += dz;
s->buttons_state = buttons_state;
}
static inline int int_clamp(int val, int vmin, int vmax)
{
if (val < vmin)
return vmin;
else if (val > vmax)
return vmax;
else
return val;
}
static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len)
{
int dx, dy, dz, b, l;
if (!s->mouse_grabbed) {
qemu_add_mouse_event_handler(usb_mouse_event, s, 0);
s->mouse_grabbed = 1;
}
dx = int_clamp(s->dx, -128, 127);
dy = int_clamp(s->dy, -128, 127);
dz = int_clamp(s->dz, -128, 127);
s->dx -= dx;
s->dy -= dy;
s->dz -= dz;
b = 0;
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
buf[0] = b;
buf[1] = dx;
buf[2] = dy;
l = 3;
if (len >= 4) {
buf[3] = dz;
l = 4;
}
return l;
}
static int usb_tablet_poll(USBMouseState *s, uint8_t *buf, int len)
{
int dz, b, l;
if (!s->mouse_grabbed) {
qemu_add_mouse_event_handler(usb_tablet_event, s, 1);
s->mouse_grabbed = 1;
}
dz = int_clamp(s->dz, -128, 127);
s->dz -= dz;
/* Appears we have to invert the wheel direction */
dz = 0 - dz;
b = 0;
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
buf[0] = b;
buf[1] = s->x & 0xff;
buf[2] = s->x >> 8;
buf[3] = s->y & 0xff;
buf[4] = s->y >> 8;
buf[5] = dz;
l = 6;
return l;
}
static void usb_mouse_handle_reset(USBDevice *dev)
{
USBMouseState *s = (USBMouseState *)dev;
s->dx = 0;
s->dy = 0;
s->dz = 0;
s->x = 0;
s->y = 0;
s->buttons_state = 0;
}
static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
int index, int length, uint8_t *data)
{
USBMouseState *s = (USBMouseState *)dev;
int ret = 0;
switch(request) {
case DeviceRequest | USB_REQ_GET_STATUS:
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
data[1] = 0x00;
ret = 2;
break;
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 0;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_FEATURE:
if (value == USB_DEVICE_REMOTE_WAKEUP) {
dev->remote_wakeup = 1;
} else {
goto fail;
}
ret = 0;
break;
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
dev->addr = value;
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch(value >> 8) {
case USB_DT_DEVICE:
memcpy(data, qemu_mouse_dev_descriptor,
sizeof(qemu_mouse_dev_descriptor));
ret = sizeof(qemu_mouse_dev_descriptor);
break;
case USB_DT_CONFIG:
if (s->kind == USB_MOUSE) {
memcpy(data, qemu_mouse_config_descriptor,
sizeof(qemu_mouse_config_descriptor));
ret = sizeof(qemu_mouse_config_descriptor);
} else if (s->kind == USB_TABLET) {
memcpy(data, qemu_tablet_config_descriptor,
sizeof(qemu_tablet_config_descriptor));
ret = sizeof(qemu_tablet_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:
/* product description */
if (s->kind == USB_MOUSE)
ret = set_usb_string(data, "QEMU USB Mouse");
else if (s->kind == USB_TABLET)
ret = set_usb_string(data, "QEMU USB Tablet");
break;
case 3:
/* vendor description */
ret = set_usb_string(data, "PCSX2/QEMU");
break;
case 4:
ret = set_usb_string(data, "HID Mouse");
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:
data[0] = 1;
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
ret = 0;
break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
break;
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
/* hid specific requests */
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
switch(value >> 8) {
case 0x22:
if (s->kind == USB_MOUSE) {
memcpy(data, qemu_mouse_hid_report_descriptor,
sizeof(qemu_mouse_hid_report_descriptor));
ret = sizeof(qemu_mouse_hid_report_descriptor);
} else if (s->kind == USB_TABLET) {
memcpy(data, qemu_tablet_hid_report_descriptor,
sizeof(qemu_tablet_hid_report_descriptor));
ret = sizeof(qemu_tablet_hid_report_descriptor);
}
break;
default:
goto fail;
}
break;
case GET_REPORT:
if (s->kind == USB_MOUSE)
ret = usb_mouse_poll(s, data, length);
else if (s->kind == USB_TABLET)
ret = usb_tablet_poll(s, data, length);
break;
case SET_IDLE:
ret = 0;
break;
default:
fail:
ret = USB_RET_STALL;
break;
}
return ret;
}
static int usb_mouse_handle_data(USBDevice *dev, int pid,
uint8_t devep, uint8_t *data, int len)
{
USBMouseState *s = (USBMouseState *)dev;
int ret = 0;
switch(pid) {
case USB_TOKEN_IN:
if (devep == 1) {
if (s->kind == USB_MOUSE)
ret = usb_mouse_poll(s, data, len);
else if (s->kind == USB_TABLET)
ret = usb_tablet_poll(s, data, len);
} else {
goto fail;
}
break;
case USB_TOKEN_OUT:
default:
fail:
ret = USB_RET_STALL;
break;
}
return ret;
}
static void usb_mouse_handle_destroy(USBDevice *dev)
{
USBMouseState *s = (USBMouseState *)dev;
qemu_add_mouse_event_handler(NULL, NULL, 0);
free(s);
}
USBDevice *usb_tablet_init(void)
{
USBMouseState *s;
s = qemu_mallocz(sizeof(USBMouseState));
if (!s)
return NULL;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_mouse_handle_reset;
s->dev.handle_control = usb_mouse_handle_control;
s->dev.handle_data = usb_mouse_handle_data;
s->dev.handle_destroy = usb_mouse_handle_destroy;
s->kind = USB_TABLET;
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Tablet");
return (USBDevice *)s;
}
USBDevice *usb_mouse_init(void)
{
USBMouseState *s;
s = qemu_mallocz(sizeof(USBMouseState));
if (!s)
return NULL;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_mouse_handle_reset;
s->dev.handle_control = usb_mouse_handle_control;
s->dev.handle_data = usb_mouse_handle_data;
s->dev.handle_destroy = usb_mouse_handle_destroy;
s->kind = USB_MOUSE;
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Mouse");
return (USBDevice *)s;
}
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