gwj / at91sam9263 · Commits

Commit 59ae540c3dbd1ab3fb004e85eaf3aa4f3520a308

Authored by bellard
1 parent 92414fdc

added virtual USB mouse support 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1599 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 4 changed files with 373 additions and 8 deletions
Makefile.target
  View file @59ae540
... ... @@ -294,7 +294,8 @@ ifeq ($(TARGET_BASE_ARCH), i386)
294 294 # Hardware support
295 295 VL_OBJS+= ide.o ne2000.o pckbd.o vga.o $(SOUND_HW) dma.o $(AUDIODRV)
296 296 VL_OBJS+= fdc.o mc146818rtc.o serial.o i8259.o i8254.o pc.o
297   -VL_OBJS+= cirrus_vga.o mixeng.o apic.o parallel.o usb.o usb-uhci.o usb-linux.o
  297 +VL_OBJS+= cirrus_vga.o mixeng.o apic.o parallel.o
  298 +VL_OBJS+= usb.o usb-uhci.o usb-linux.o usb-hid.o
298 299 DEFINES += -DHAS_AUDIO
299 300 endif
300 301 ifeq ($(TARGET_BASE_ARCH), ppc)
... ...
... ... @@ -622,24 +622,31 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
622 622  
623 623 if (pci_enabled && usb_enabled) {
624 624 USBPort *usb_root_ports[2];
625   - USBDevice *usb_hub;
  625 + USBDevice *usb_dev;
626 626 usb_uhci_init(pci_bus, usb_root_ports);
627 627 #if 0
628 628 {
629 629 USBPort *usb_hub1_ports[4];
630 630 USBPort *usb_hub2_ports[2];
631 631 /* test: we simulate a USB hub */
632   - usb_hub = usb_hub_init(usb_hub1_ports, 4);
633   - usb_attach(usb_root_ports[0], usb_hub);
  632 + usb_dev = usb_hub_init(usb_hub1_ports, 4);
  633 + usb_attach(usb_root_ports[0], usb_dev);
634 634  
635 635 /* test: we simulate a USB hub */
636   - usb_hub = usb_hub_init(usb_hub2_ports, 2);
637   - usb_attach(usb_hub1_ports[0], usb_hub);
  636 + usb_dev = usb_hub_init(usb_hub2_ports, 2);
  637 + usb_attach(usb_hub1_ports[0], usb_dev);
638 638 }
639 639 #endif
  640 +#if 0
  641 + /* USB mouse */
  642 + usb_dev = usb_mouse_init();
  643 + usb_attach(usb_root_ports[0], usb_dev);
  644 +#endif
  645 +#if 1
640 646 /* simulated hub with the host USB devices connected to it */
641   - usb_hub = usb_host_hub_init();
642   - usb_attach(usb_root_ports[0], usb_hub);
  647 + usb_dev = usb_host_hub_init();
  648 + usb_attach(usb_root_ports[0], usb_dev);
  649 +#endif
643 650 }
644 651  
645 652 /* must be done after all PCI devices are instanciated */
... ...
hw/usb-hid.c 0 → 100644
  View file @59ae540
  1 +/*
  2 + * QEMU USB HID devices
  3 + *
  4 + * Copyright (c) 2005 Fabrice Bellard
  5 + *
  6 + * Permission is hereby granted, free of charge, to any person obtaining a copy
  7 + * of this software and associated documentation files (the "Software"), to deal
  8 + * in the Software without restriction, including without limitation the rights
  9 + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 + * copies of the Software, and to permit persons to whom the Software is
  11 + * furnished to do so, subject to the following conditions:
  12 + *
  13 + * The above copyright notice and this permission notice shall be included in
  14 + * all copies or substantial portions of the Software.
  15 + *
  16 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 + * THE SOFTWARE.
  23 + */
  24 +#include "vl.h"
  25 +
  26 +/* HID interface requests */
  27 +#define GET_REPORT 0xa101
  28 +#define GET_IDLE 0xa102
  29 +#define GET_PROTOCOL 0xa103
  30 +#define SET_IDLE 0x210a
  31 +#define SET_PROTOCOL 0x210b
  32 +
  33 +typedef struct USBMouseState {
  34 + USBDevice dev;
  35 + int dx, dy, dz, buttons_state;
  36 +} USBMouseState;
  37 +
  38 +/* mostly the same values as the Bochs USB Mouse device */
  39 +static const uint8_t qemu_mouse_dev_descriptor[] = {
  40 + 0x12, /* u8 bLength; */
  41 + 0x01, /* u8 bDescriptorType; Device */
  42 + 0x10, 0x00, /* u16 bcdUSB; v1.0 */
  43 +
  44 + 0x00, /* u8 bDeviceClass; */
  45 + 0x00, /* u8 bDeviceSubClass; */
  46 + 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
  47 + 0x08, /* u8 bMaxPacketSize0; 8 Bytes */
  48 +
  49 + 0x27, 0x06, /* u16 idVendor; */
  50 + 0x01, 0x00, /* u16 idProduct; */
  51 + 0x00, 0x00, /* u16 bcdDevice */
  52 +
  53 + 0x03, /* u8 iManufacturer; */
  54 + 0x02, /* u8 iProduct; */
  55 + 0x01, /* u8 iSerialNumber; */
  56 + 0x01 /* u8 bNumConfigurations; */
  57 +};
  58 +
  59 +static const uint8_t qemu_mouse_config_descriptor[] = {
  60 + /* one configuration */
  61 + 0x09, /* u8 bLength; */
  62 + 0x02, /* u8 bDescriptorType; Configuration */
  63 + 0x22, 0x00, /* u16 wTotalLength; */
  64 + 0x01, /* u8 bNumInterfaces; (1) */
  65 + 0x01, /* u8 bConfigurationValue; */
  66 + 0x04, /* u8 iConfiguration; */
  67 + 0xa0, /* u8 bmAttributes;
  68 + Bit 7: must be set,
  69 + 6: Self-powered,
  70 + 5: Remote wakeup,
  71 + 4..0: resvd */
  72 + 50, /* u8 MaxPower; */
  73 +
  74 + /* USB 1.1:
  75 + * USB 2.0, single TT organization (mandatory):
  76 + * one interface, protocol 0
  77 + *
  78 + * USB 2.0, multiple TT organization (optional):
  79 + * two interfaces, protocols 1 (like single TT)
  80 + * and 2 (multiple TT mode) ... config is
  81 + * sometimes settable
  82 + * NOT IMPLEMENTED
  83 + */
  84 +
  85 + /* one interface */
  86 + 0x09, /* u8 if_bLength; */
  87 + 0x04, /* u8 if_bDescriptorType; Interface */
  88 + 0x00, /* u8 if_bInterfaceNumber; */
  89 + 0x00, /* u8 if_bAlternateSetting; */
  90 + 0x01, /* u8 if_bNumEndpoints; */
  91 + 0x03, /* u8 if_bInterfaceClass; */
  92 + 0x01, /* u8 if_bInterfaceSubClass; */
  93 + 0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
  94 + 0x05, /* u8 if_iInterface; */
  95 +
  96 + /* one endpoint (status change endpoint) */
  97 + 0x07, /* u8 ep_bLength; */
  98 + 0x05, /* u8 ep_bDescriptorType; Endpoint */
  99 + 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
  100 + 0x03, /* u8 ep_bmAttributes; Interrupt */
  101 + 0x03, 0x00, /* u16 ep_wMaxPacketSize; */
  102 + 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
  103 +
  104 + /* HID descriptor */
  105 + 0x09, /* u8 bLength; */
  106 + 0x21, /* u8 bDescriptorType; */
  107 + 0x01, 0x00, /* u16 HID_class */
  108 + 0x00, /* u8 country_code */
  109 + 0x01, /* u8 num_descriptors */
  110 + 0x22, /* u8 type; Report */
  111 + 50, 0, /* u16 len */
  112 +};
  113 +
  114 +static const uint8_t qemu_mouse_hid_report_descriptor[] = {
  115 + 0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01,
  116 + 0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
  117 + 0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
  118 + 0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01,
  119 + 0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x15, 0x81,
  120 + 0x25, 0x7F, 0x75, 0x08, 0x95, 0x02, 0x81, 0x06,
  121 + 0xC0, 0xC0,
  122 +};
  123 +
  124 +static void usb_mouse_event(void *opaque,
  125 + int dx1, int dy1, int dz1, int buttons_state)
  126 +{
  127 + USBMouseState *s = opaque;
  128 +
  129 + s->dx += dx1;
  130 + s->dy += dy1;
  131 + s->dz += dz1;
  132 + s->buttons_state = buttons_state;
  133 +}
  134 +
  135 +static inline int int_clamp(int val, int vmin, int vmax)
  136 +{
  137 + if (val < vmin)
  138 + return vmin;
  139 + else if (val > vmax)
  140 + return vmax;
  141 + else
  142 + return val;
  143 +}
  144 +
  145 +static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len)
  146 +{
  147 + int dx, dy, dz, b, l;
  148 +
  149 + dx = int_clamp(s->dx, -128, 127);
  150 + dy = int_clamp(s->dy, -128, 127);
  151 + dz = int_clamp(s->dz, -128, 127);
  152 +
  153 + s->dx -= dx;
  154 + s->dy -= dy;
  155 + s->dz -= dz;
  156 +
  157 + b = 0;
  158 + if (s->buttons_state & MOUSE_EVENT_LBUTTON)
  159 + b |= 0x01;
  160 + if (s->buttons_state & MOUSE_EVENT_RBUTTON)
  161 + b |= 0x02;
  162 + if (s->buttons_state & MOUSE_EVENT_MBUTTON)
  163 + b |= 0x04;
  164 +
  165 + buf[0] = b;
  166 + buf[1] = dx;
  167 + buf[2] = dy;
  168 + l = 3;
  169 + if (len >= 4) {
  170 + buf[3] = dz;
  171 + l = 4;
  172 + }
  173 + return l;
  174 +}
  175 +
  176 +static void usb_mouse_handle_reset(USBDevice *dev)
  177 +{
  178 + USBMouseState *s = (USBMouseState *)dev;
  179 +
  180 + s->dx = 0;
  181 + s->dy = 0;
  182 + s->dz = 0;
  183 + s->buttons_state = 0;
  184 +}
  185 +
  186 +static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
  187 + int index, int length, uint8_t *data)
  188 +{
  189 + USBMouseState *s = (USBMouseState *)dev;
  190 + int ret;
  191 +
  192 + switch(request) {
  193 + case DeviceRequest | USB_REQ_GET_STATUS:
  194 + data[0] = (1 << USB_DEVICE_SELF_POWERED) |
  195 + (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
  196 + data[1] = 0x00;
  197 + ret = 2;
  198 + break;
  199 + case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
  200 + if (value == USB_DEVICE_REMOTE_WAKEUP) {
  201 + dev->remote_wakeup = 0;
  202 + } else {
  203 + goto fail;
  204 + }
  205 + ret = 0;
  206 + break;
  207 + case DeviceOutRequest | USB_REQ_SET_FEATURE:
  208 + if (value == USB_DEVICE_REMOTE_WAKEUP) {
  209 + dev->remote_wakeup = 1;
  210 + } else {
  211 + goto fail;
  212 + }
  213 + ret = 0;
  214 + break;
  215 + case DeviceOutRequest | USB_REQ_SET_ADDRESS:
  216 + dev->addr = value;
  217 + ret = 0;
  218 + break;
  219 + case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
  220 + switch(value >> 8) {
  221 + case USB_DT_DEVICE:
  222 + memcpy(data, qemu_mouse_dev_descriptor,
  223 + sizeof(qemu_mouse_dev_descriptor));
  224 + ret = sizeof(qemu_mouse_dev_descriptor);
  225 + break;
  226 + case USB_DT_CONFIG:
  227 + memcpy(data, qemu_mouse_config_descriptor,
  228 + sizeof(qemu_mouse_config_descriptor));
  229 + ret = sizeof(qemu_mouse_config_descriptor);
  230 + break;
  231 + case USB_DT_STRING:
  232 + switch(value & 0xff) {
  233 + case 0:
  234 + /* language ids */
  235 + data[0] = 4;
  236 + data[1] = 3;
  237 + data[2] = 0x09;
  238 + data[3] = 0x04;
  239 + ret = 4;
  240 + break;
  241 + case 1:
  242 + /* serial number */
  243 + ret = set_usb_string(data, "1");
  244 + break;
  245 + case 2:
  246 + /* product description */
  247 + ret = set_usb_string(data, "QEMU USB Mouse");
  248 + break;
  249 + case 3:
  250 + /* vendor description */
  251 + ret = set_usb_string(data, "QEMU " QEMU_VERSION);
  252 + break;
  253 + case 4:
  254 + ret = set_usb_string(data, "HID Mouse");
  255 + break;
  256 + case 5:
  257 + ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
  258 + break;
  259 + default:
  260 + goto fail;
  261 + }
  262 + break;
  263 + default:
  264 + goto fail;
  265 + }
  266 + break;
  267 + case DeviceRequest | USB_REQ_GET_CONFIGURATION:
  268 + data[0] = 1;
  269 + ret = 1;
  270 + break;
  271 + case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
  272 + ret = 0;
  273 + break;
  274 + case DeviceRequest | USB_REQ_GET_INTERFACE:
  275 + data[0] = 0;
  276 + ret = 1;
  277 + break;
  278 + case DeviceOutRequest | USB_REQ_SET_INTERFACE:
  279 + ret = 0;
  280 + break;
  281 + /* hid specific requests */
  282 + case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
  283 + switch(value >> 8) {
  284 + case 0x22:
  285 + memcpy(data, qemu_mouse_hid_report_descriptor,
  286 + sizeof(qemu_mouse_hid_report_descriptor));
  287 + ret = sizeof(qemu_mouse_hid_report_descriptor);
  288 + break;
  289 + default:
  290 + goto fail;
  291 + }
  292 + break;
  293 + case GET_REPORT:
  294 + ret = usb_mouse_poll(s, data, length);
  295 + break;
  296 + case SET_IDLE:
  297 + ret = 0;
  298 + break;
  299 + default:
  300 + fail:
  301 + ret = USB_RET_STALL;
  302 + break;
  303 + }
  304 + return ret;
  305 +}
  306 +
  307 +static int usb_mouse_handle_data(USBDevice *dev, int pid,
  308 + uint8_t devep, uint8_t *data, int len)
  309 +{
  310 + USBMouseState *s = (USBMouseState *)dev;
  311 + int ret;
  312 +
  313 + switch(pid) {
  314 + case USB_TOKEN_IN:
  315 + if (devep == 1) {
  316 + ret = usb_mouse_poll(s, data, len);
  317 + } else {
  318 + goto fail;
  319 + }
  320 + break;
  321 + case USB_TOKEN_OUT:
  322 + default:
  323 + fail:
  324 + ret = USB_RET_STALL;
  325 + break;
  326 + }
  327 + return ret;
  328 +}
  329 +
  330 +USBDevice *usb_mouse_init(void)
  331 +{
  332 + USBMouseState *s;
  333 +
  334 + s = qemu_mallocz(sizeof(USBMouseState));
  335 + if (!s)
  336 + return NULL;
  337 + s->dev.speed = USB_SPEED_FULL;
  338 + s->dev.handle_packet = usb_generic_handle_packet;
  339 +
  340 + s->dev.handle_reset = usb_mouse_handle_reset;
  341 + s->dev.handle_control = usb_mouse_handle_control;
  342 + s->dev.handle_data = usb_mouse_handle_data;
  343 +
  344 + qemu_add_mouse_event_handler(usb_mouse_event, s);
  345 +
  346 + return (USBDevice *)s;
  347 +}
... ...
hw/usb.h
  View file @59ae540
... ... @@ -64,6 +64,13 @@
64 64  
65 65 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
66 66 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
  67 +#define InterfaceRequest \
  68 + ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
  69 +#define InterfaceOutRequest \
  70 + ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
  71 +#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
  72 +#define EndpointOutRequest \
  73 + ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
67 74  
68 75 #define USB_REQ_GET_STATUS 0x00
69 76 #define USB_REQ_CLEAR_FEATURE 0x01
... ... @@ -137,3 +144,6 @@ void usb_uhci_init(PCIBus *bus, USBPort **usb_ports);
137 144  
138 145 /* usb-linux.c */
139 146 USBDevice *usb_host_hub_init(void);
  147 +
  148 +/* usb-hid.c */
  149 +USBDevice *usb_mouse_init(void);
... ...