Various minor tweaks to get qemu emulating a touchscreen device

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@772 311d38ba-8fff-0310-9ca6-ca027cbcb966

4 files changed, 504 insertions, 6 deletions

diff --git a/meta/packages/linux/linux-openzaurus-2.6.17/defconfig-qemuarm b/meta/packages/linux/linux-openzaurus-2.6.17/defconfig-qemuarm
index d6e077925e..f96fa2815a 100644
--- a/meta/packages/linux/linux-openzaurus-2.6.17/defconfig-qemuarm
+++ b/meta/packages/linux/linux-openzaurus-2.6.17/defconfig-qemuarm
@@ -615,7 +615,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
 # CONFIG_INPUT_TSDEV is not set
-# CONFIG_INPUT_EVDEV is not set
+CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set
 # CONFIG_INPUT_POWER is not set
 
@@ -866,7 +866,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 # USB Input Devices
 #
-# CONFIG_USB_HID is not set
+CONFIG_USB_HID=y
 
 #
 # USB HID Boot Protocol drivers
@@ -874,7 +874,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_KBD is not set
 # CONFIG_USB_MOUSE is not set
 # CONFIG_USB_AIPTEK is not set
-# CONFIG_USB_WACOM is not set
+CONFIG_USB_WACOM=y
 # CONFIG_USB_ACECAD is not set
 # CONFIG_USB_KBTAB is not set
 # CONFIG_USB_POWERMATE is not set
diff --git a/meta/packages/qemu/files/qemu-pci-irq-sharing.patch b/meta/packages/qemu/files/qemu-pci-irq-sharing.patch
new file mode 100644
index 0000000000..c47e89895f
--- /dev/null
+++ b/meta/packages/qemu/files/qemu-pci-irq-sharing.patch
@@ -0,0 +1,52 @@
+diff -pNaur qemu-cvs-ts-orig/hw/pci.c qemu-cvs-ts/hw/pci.c
+--- qemu-cvs-ts-orig/hw/pci.c	2006-08-17 10:46:34.000000000 +0000
++++ qemu-cvs-ts/hw/pci.c	2006-09-23 17:02:41.000000000 +0000
+@@ -34,6 +34,7 @@ struct PCIBus {
+     SetIRQFunc *low_set_irq;
+     void *irq_opaque;
+     PCIDevice *devices[256];
++    int irq_count[4];
+ };
+ 
+ static void pci_update_mappings(PCIDevice *d);
+@@ -49,6 +50,7 @@ PCIBus *pci_register_bus(pci_set_irq_fn 
+     bus->set_irq = set_irq;
+     bus->irq_opaque = pic;
+     bus->devfn_min = devfn_min;
++    memset(bus->irq_count, 0, sizeof(bus->irq_count));
+     first_bus = bus;
+     return bus;
+ }
+@@ -100,6 +102,7 @@ PCIDevice *pci_register_device(PCIBus *b
+     pci_dev->bus = bus;
+     pci_dev->devfn = devfn;
+     pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
++    memset(pci_dev->irq_state, 0, sizeof(pci_dev->irq_state));
+ 
+     if (!config_read)
+         config_read = pci_default_read_config;
+@@ -404,7 +407,10 @@ uint32_t pci_data_read(void *opaque, uin
+ void pci_set_irq(PCIDevice *pci_dev, int irq_num, int level)
+ {
+     PCIBus *bus = pci_dev->bus;
+-    bus->set_irq(pci_dev, bus->irq_opaque, irq_num, level);
++    bus->irq_count[irq_num] += level - pci_dev->irq_state[irq_num];
++    pci_dev->irq_state[irq_num] = level;
++    bus->set_irq(pci_dev, bus->irq_opaque,
++                 irq_num, !!bus->irq_count[irq_num]);
+ }
+ 
+ /***********************************************************/
+diff -pNaur qemu-cvs-ts-orig/vl.h qemu-cvs-ts/vl.h
+--- qemu-cvs-ts-orig/vl.h	2006-09-18 01:15:29.000000000 +0000
++++ qemu-cvs-ts/vl.h	2006-09-23 17:15:21.000000000 +0000
+@@ -733,6 +733,9 @@ struct PCIDevice {
+     PCIConfigWriteFunc *config_write;
+     /* ??? This is a PC-specific hack, and should be removed.  */
+     int irq_index;
++
++    /* remember last irq levels */
++    int irq_state[4];
+ };
+ 
+ PCIDevice *pci_register_device(PCIBus *bus, const char *name,
diff --git a/meta/packages/qemu/files/qemu-usb-wacom-0.8.2.patch b/meta/packages/qemu/files/qemu-usb-wacom-0.8.2.patch
new file mode 100644
index 0000000000..33a6db3f18
--- /dev/null
+++ b/meta/packages/qemu/files/qemu-usb-wacom-0.8.2.patch
@@ -0,0 +1,445 @@
+diff -pNaur qemu-cvs-ts-orig/hw/usb-wacom.c qemu-cvs-ts/hw/usb-wacom.c
+--- qemu-cvs-ts-orig/hw/usb-wacom.c	1970-01-01 01:00:00.000000000 +0100
++++ qemu-cvs-ts/hw/usb-wacom.c	2006-09-22 20:44:26.000000000 +0200
+@@ -0,0 +1,408 @@
++/*
++ * Wacom PenPartner USB tablet emulation.
++ *
++ * Copyright (c) 2006 Openedhand Ltd.
++ *
++ * Author: Andrzej Zaborowski <balrog@zabor.org>
++ *
++ * Based on hw/usb-hid.c:
++ * 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"
++
++/* Interface requests */
++#define WACOM_GET_REPORT	0x2101
++#define WACOM_SET_REPORT	0x2109
++
++/* HID interface requests */
++#define HID_GET_REPORT		0xa101
++#define HID_GET_IDLE		0xa102
++#define HID_GET_PROTOCOL	0xa103
++#define HID_SET_IDLE		0x210a
++#define HID_SET_PROTOCOL	0x210b
++
++#define WACOM_MODE_HID		1
++#define WACOM_MODE_WACOM	2
++
++typedef struct USBWacomState {
++    USBDevice dev;
++    int dx, dy, dz, buttons_state;
++    int x, y;
++    int mouse_grabbed;
++    int mode;
++} USBWacomState;
++
++static const uint8_t qemu_wacom_dev_descriptor[] = {
++    0x12,	/*  u8 bLength; */
++    0x01,	/*  u8 bDescriptorType; Device */
++    0x10, 0x10,	/*  u16 bcdUSB; v1.10 */
++
++    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[] = {
++    /* one configuration */
++    0x09,	/*  u8  bLength; */
++    0x02,	/*  u8  bDescriptorType; Configuration */
++    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 */
++    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; HID */
++    0x01,	/*  u8  if_bInterfaceSubClass; Boot */
++    0x02,	/*  u8  if_bInterfaceProtocol; [usb1.1 or single tt] */
++    0x00,	/*  u8  if_iInterface; */
++
++    /* HID descriptor */
++    0x09,	/*  u8  bLength; */
++    0x21,	/*  u8  bDescriptorType; */
++    0x01, 0x10,	/*  u16 HID_class */
++    0x00,	/*  u8  country_code */
++    0x01,	/*  u8  num_descriptors */
++    0x22,	/*  u8  type; Report */
++    0x6e, 0x00,	/*  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; */
++    0x0a,	/*  u8  ep_bInterval; */
++};
++
++static void usb_mouse_event(void *opaque,
++                            int dx1, int dy1, int dz1, int buttons_state)
++{
++    USBWacomState *s = opaque;
++
++    s->dx += dx1;
++    s->dy += dy1;
++    s->dz += dz1;
++    s->buttons_state = buttons_state;
++}
++
++static void usb_wacom_event(void *opaque,
++                            int x, int y, int dz, int buttons_state)
++{
++    USBWacomState *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(USBWacomState *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, 1);
++        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_wacom_poll(USBWacomState *s, uint8_t *buf, int len)
++{
++    int b;
++
++    if (!s->mouse_grabbed) {
++        qemu_add_mouse_event_handler(usb_wacom_event, s, 1);
++        s->mouse_grabbed = 1;
++    }
++
++    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;
++
++    if (len < 7)
++        return 0;
++
++    buf[0] = s->mode;
++    buf[1] = s->x & 0xff;
++    buf[2] = s->x >> 8;
++    buf[3] = s->y & 0xff;
++    buf[4] = s->y >> 8;
++    if (b) {
++        buf[5] = 0x40;
++        buf[6] = 0;
++    } else {
++        buf[5] = 0x00;
++        buf[6] = (unsigned char) -120;
++    }
++
++    return 7;
++}
++
++static void usb_wacom_handle_reset(USBDevice *dev)
++{
++    USBWacomState *s = (USBWacomState *) dev;
++
++    s->dx = 0;
++    s->dy = 0;
++    s->dz = 0;
++    s->x = 0;
++    s->y = 0;
++    s->buttons_state = 0;
++    s->mode = WACOM_MODE_HID;
++}
++
++static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
++                                    int index, int length, uint8_t *data)
++{
++    USBWacomState *s = (USBWacomState *) 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_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:
++        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;
++    case WACOM_SET_REPORT:
++        qemu_add_mouse_event_handler(NULL, NULL, 0);
++	s->mouse_grabbed = 0;
++        s->mode = data[0];
++        ret = 0;
++        break;
++    case WACOM_GET_REPORT:
++        data[0] = 0;
++        data[1] = s->mode;
++        ret = 2;
++        break;
++    /* USB HID requests */
++    case HID_GET_REPORT:
++        if (s->mode == WACOM_MODE_HID)
++            ret = usb_mouse_poll(s, data, length);
++        else if (s->mode == WACOM_MODE_WACOM)
++            ret = usb_wacom_poll(s, data, length);
++        break;
++    case HID_SET_IDLE:
++        ret = 0;
++        break;
++    default:
++    fail:
++        ret = USB_RET_STALL;
++        break;
++    }
++    return ret;
++}
++
++static int usb_wacom_handle_data(USBDevice *dev, int pid, 
++                                 uint8_t devep, uint8_t *data, int len)
++{
++    USBWacomState *s = (USBWacomState *) dev;
++    int ret = 0;
++
++    switch (pid) {
++    case USB_TOKEN_IN:
++        if (devep == 1) {
++            if (s->mode == WACOM_MODE_HID)
++                ret = usb_mouse_poll(s, data, len);
++            else if (s->mode == WACOM_MODE_WACOM)
++                ret = usb_wacom_poll(s, data, len);
++            break;
++        }
++        /* Fall through.  */
++    case USB_TOKEN_OUT:
++    default:
++        ret = USB_RET_STALL;
++        break;
++    }
++    return ret;
++}
++
++static void usb_wacom_handle_destroy(USBDevice *dev)
++{
++    USBWacomState *s = (USBWacomState *) dev;
++
++    qemu_add_mouse_event_handler(NULL, NULL, 0);
++    qemu_free(s);
++}
++
++USBDevice *usb_wacom_init(void)
++{
++    USBWacomState *s;
++
++    s = qemu_mallocz(sizeof(USBWacomState));
++    if (!s)
++        return NULL;
++    s->dev.speed = USB_SPEED_FULL;
++    s->dev.handle_packet = usb_generic_handle_packet;
++
++    s->dev.handle_reset = usb_wacom_handle_reset;
++    s->dev.handle_control = usb_wacom_handle_control;
++    s->dev.handle_data = usb_wacom_handle_data;
++    s->dev.handle_destroy = usb_wacom_handle_destroy;
++
++    pstrcpy(s->dev.devname, sizeof(s->dev.devname),
++            "QEMU PenPartner Tablet");
++
++    return (USBDevice *) s;
++}
+diff -pNaur qemu-cvs-ts-orig/hw/usb.h qemu-cvs-ts/hw/usb.h
+--- qemu-cvs-ts-orig/hw/usb.h	2006-08-12 03:04:27.000000000 +0200
++++ qemu-cvs-ts/hw/usb.h	2006-09-21 01:40:40.000000000 +0200
+@@ -218,3 +218,6 @@ USBDevice *usb_tablet_init(void);
+ 
+ /* usb-msd.c */
+ USBDevice *usb_msd_init(const char *filename);
++
++/* usb-wacom.c */
++USBDevice *usb_wacom_init(void);
+diff -pNaur qemu-cvs-ts-orig/vl.c qemu-cvs-ts/vl.c
+--- qemu-cvs-ts-orig/vl.c	2006-09-10 16:39:54.000000000 +0200
++++ qemu-cvs-ts/vl.c	2006-09-21 01:45:16.000000000 +0200
+@@ -3765,6 +3765,8 @@ static int usb_device_add(const char *de
+ 	dev = usb_tablet_init();
+     } else if (strstart(devname, "disk:", &p)) {
+         dev = usb_msd_init(p);
++    } else if (!strcmp(devname, "wacom-tablet")) {
++        dev = usb_wacom_init();
+     } else {
+         return -1;
+     }
+diff -pNaur qemu-cvs-ts-orig/Makefile.target qemu-cvs-ts/Makefile.target
+--- qemu-cvs-ts-orig/Makefile.target	2006-09-18 03:15:29.000000000 +0200
++++ qemu-cvs-ts/Makefile.target	2006-09-21 02:32:19.000000000 +0200
+@@ -330,6 +330,7 @@ VL_OBJS+= scsi-disk.o cdrom.o lsi53c895a
+ 
+ # USB layer
+ VL_OBJS+= usb.o usb-hub.o usb-linux.o usb-hid.o usb-ohci.o usb-msd.o
++VL_OBJS+= usb-wacom.o
+ 
+ # PCI network cards
+ VL_OBJS+= ne2000.o rtl8139.o pcnet.o
diff --git a/meta/packages/qemu/qemu_cvs.bb b/meta/packages/qemu/qemu_cvs.bb
index 483b4dfb5b..43097c1285 100644
--- a/meta/packages/qemu/qemu_cvs.bb
+++ b/meta/packages/qemu/qemu_cvs.bb
@@ -2,10 +2,11 @@ LICENSE = "GPL"
 PV = "0.8.2+cvs${SRCDATE}"
 
 SRC_URI = "cvs://anonymous@cvs.savannah.nongnu.org/sources/qemu;method=pserver;rsh=ssh;module=qemu \
-           file://configure.patch;patch=1 \
-	   file://arm_nptl.patch;patch=1 \
+           file://configure.patch;patch=1    \
+	   file://arm_nptl.patch;patch=1     \
 	   file://pl110_rgb-r0.patch;patch=1 \
-	   file://qemu-usb-wacom.patch;patch=1"
+	   file://qemu-pci-irq-sharing.patch;patch=1 \	
+	   file://qemu-usb-wacom-0.8.2.patch;patch=1"
 
 S = "${WORKDIR}/qemu"