CUDA + ADB support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@881 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 308 insertions, 0 deletions

diff --git a/hw/adb.c b/hw/adb.c
new file mode 100644
index 0000000000..6442d796b6
--- /dev/null
+++ b/hw/adb.c
@@ -0,0 +1,308 @@
+/*
+ * QEMU ADB support
+ * 
+ * Copyright (c) 2004 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"
+
+/* ADB commands */
+#define ADB_BUSRESET		0x00
+#define ADB_FLUSH               0x01
+#define ADB_WRITEREG		0x08
+#define ADB_READREG		0x0c
+
+/* ADB device commands */
+#define ADB_CMD_SELF_TEST		0xff
+#define ADB_CMD_CHANGE_ID		0xfe
+#define ADB_CMD_CHANGE_ID_AND_ACT	0xfd
+#define ADB_CMD_CHANGE_ID_AND_ENABLE	0x00
+
+/* ADB default device IDs (upper 4 bits of ADB command byte) */
+#define ADB_DONGLE	1
+#define ADB_KEYBOARD	2
+#define ADB_MOUSE	3
+#define ADB_TABLET	4
+#define ADB_MODEM	5
+#define ADB_MISC	7
+
+#define ADB_RET_OK			0
+#define ADB_RET_INUSE			1
+#define ADB_RET_NOTPRESENT		2
+#define ADB_RET_TIMEOUT			3
+#define ADB_RET_UNEXPECTED_RESULT	4
+#define ADB_RET_REQUEST_ERROR		5
+#define ADB_RET_BUS_ERROR		6
+
+
+static void adb_send_packet1(ADBBusState *s, uint8_t reply)
+{
+    adb_send_packet(s, &reply, 1);
+}
+
+void adb_receive_packet(ADBBusState *s, const uint8_t *buf, int len)
+{
+    ADBDevice *d;
+    int devaddr, cmd, i;
+    uint8_t obuf[4];
+
+    cmd = buf[1] & 0xf;
+    devaddr = buf[1] >> 4;
+    if (buf[1] == ADB_BUSRESET) {
+        obuf[0] = 0x00;
+        obuf[1] = 0x00;
+        adb_send_packet(s, obuf, 2);
+        return;
+    }
+    if (cmd == ADB_FLUSH) {
+        obuf[0] = 0x00;
+        obuf[1] = 0x00;
+        adb_send_packet(s, obuf, 2);
+        return;
+    }
+
+    for(i = 0; i < s->nb_devices; i++) {
+        d = &s->devices[i];
+        if (d->devaddr == devaddr) {
+            d->receive_packet(d, buf, len);
+            return;
+        }
+    }
+    adb_send_packet1(s, ADB_RET_NOTPRESENT);
+}
+
+ADBDevice *adb_register_device(ADBBusState *s, int devaddr, 
+                               ADBDeviceReceivePacket *receive_packet, 
+                               void *opaque)
+{
+    ADBDevice *d;
+    if (s->nb_devices >= MAX_ADB_DEVICES)
+        return NULL;
+    d = &s->devices[s->nb_devices++];
+    d->bus = s;
+    d->devaddr = devaddr;
+    d->receive_packet = receive_packet;
+    d->opaque = opaque;
+    return d;
+}
+
+/***************************************************************/
+/* Keyboard ADB device */
+
+static const uint8_t pc_to_adb_keycode[256] = {
+  0, 53, 18, 19, 20, 21, 23, 22, 26, 28, 25, 29, 27, 24, 51, 48,
+ 12, 13, 14, 15, 17, 16, 32, 34, 31, 35, 33, 30, 36, 54,  0,  1,
+  2,  3,  5,  4, 38, 40, 37, 41, 39, 50, 56, 42,  6,  7,  8,  9,
+ 11, 45, 46, 43, 47, 44,123, 67, 58, 49, 57,122,120, 99,118, 96,
+ 97, 98,100,101,109, 71,107, 89, 91, 92, 78, 86, 87, 88, 69, 83,
+ 84, 85, 82, 65,  0,  0, 10,103,111,  0,  0,  0,  0,  0,  0,  0,
+ 76,125, 75,105,124,110,115, 62,116, 59, 60,119, 61,121,114,117,
+  0,  0,  0,  0,127, 81,  0,113,  0,  0,  0,  0, 95, 55,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0, 94,  0, 93,  0,  0,  0,  0,  0,  0,104,102,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+};
+
+static void adb_kbd_put_keycode(void *opaque, int keycode)
+{
+    static int ext_keycode;
+    ADBDevice *d = opaque;
+    uint8_t buf[4];
+    int adb_keycode;
+    
+    if (keycode == 0xe0) {
+        ext_keycode = 1;
+    } else {
+        
+        if (ext_keycode)
+            adb_keycode =  pc_to_adb_keycode[keycode | 0x80];
+        else
+            adb_keycode =  pc_to_adb_keycode[keycode & 0x7f];
+            
+        buf[0] = 0x40;
+        buf[1] = (d->devaddr << 4) | 0x0c;
+        buf[2] = adb_keycode | (keycode & 0x80);
+        buf[3] = 0xff;
+        adb_send_packet(d->bus, buf, 4);
+        ext_keycode = 0;
+    }
+}
+
+static void adb_kbd_receive_packet(ADBDevice *d, const uint8_t *buf, int len)
+{
+    int cmd, reg;
+    uint8_t obuf[4];
+
+    cmd = buf[0] & 0xc;
+    reg = buf[0] & 0x3;
+    switch(cmd) {
+    case ADB_WRITEREG:
+        switch(reg) {
+        case 2:
+            /* LED status */
+            adb_send_packet1(d->bus, ADB_RET_OK);
+            break;
+        case 3:
+            switch(buf[2]) {
+            case ADB_CMD_SELF_TEST:
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            case ADB_CMD_CHANGE_ID:
+            case ADB_CMD_CHANGE_ID_AND_ACT:
+            case ADB_CMD_CHANGE_ID_AND_ENABLE:
+                d->devaddr = buf[1] & 0xf;
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            default:
+                /* XXX: check this */
+                d->devaddr = buf[1] & 0xf;
+                d->handler = buf[2];
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            }
+        }
+        break;
+    case ADB_READREG:
+        switch(reg) {
+        case 1:
+            adb_send_packet1(d->bus, ADB_RET_OK);
+            break;
+        case 2:
+            obuf[0] = ADB_RET_OK;
+            obuf[1] = 0x00; /* XXX: check this */
+            obuf[2] = 0x07; /* led status */
+            adb_send_packet(d->bus, obuf, 3);
+            break;
+        case 3:
+            obuf[0] = ADB_RET_OK;
+            obuf[1] = d->handler;
+            obuf[2] = d->devaddr;
+            adb_send_packet(d->bus, obuf, 3);
+            break;
+        }
+        break;
+    }
+}
+
+void adb_kbd_init(ADBBusState *bus)
+{
+    ADBDevice *d;
+
+    d = adb_register_device(bus, ADB_KEYBOARD, adb_kbd_receive_packet, NULL);
+    qemu_add_kbd_event_handler(adb_kbd_put_keycode, d);
+}
+
+/***************************************************************/
+/* Mouse ADB device */
+
+static void adb_mouse_event(void *opaque,
+                            int dx1, int dy1, int dz1, int buttons_state)
+{
+    ADBDevice *d = opaque;
+    uint8_t buf[4];
+    int dx, dy;
+
+    dx = dx1;
+    if (dx < -63)
+        dx = -63;
+    else if (dx > 63)
+        dx = 63;
+
+    dy = dy1;
+    if (dy < -63)
+        dy = -63;
+    else if (dy > 63)
+        dy = 63;
+
+    dx &= 0x7f;
+    dy &= 0x7f;
+
+    if (buttons_state & MOUSE_EVENT_LBUTTON)
+        dy |= 0x80;
+    if (buttons_state & MOUSE_EVENT_RBUTTON)
+        dx |= 0x80;
+
+    buf[0] = 0x40;
+    buf[1] = (d->devaddr << 4) | 0x0c;
+    buf[2] = dy;
+    buf[3] = dx;
+    adb_send_packet(d->bus, buf, 4);
+}
+
+static void adb_mouse_receive_packet(ADBDevice *d, const uint8_t *buf, int len)
+{
+    int cmd, reg;
+    uint8_t obuf[4];
+
+    cmd = buf[0] & 0xc;
+    reg = buf[0] & 0x3;
+    switch(cmd) {
+    case ADB_WRITEREG:
+        switch(reg) {
+        case 2:
+            adb_send_packet1(d->bus, ADB_RET_OK);
+            break;
+        case 3:
+            switch(buf[2]) {
+            case ADB_CMD_SELF_TEST:
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            case ADB_CMD_CHANGE_ID:
+            case ADB_CMD_CHANGE_ID_AND_ACT:
+            case ADB_CMD_CHANGE_ID_AND_ENABLE:
+                d->devaddr = buf[1] & 0xf;
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            default:
+                /* XXX: check this */
+                d->devaddr = buf[1] & 0xf;
+                adb_send_packet1(d->bus, ADB_RET_OK);
+                break;
+            }
+        }
+        break;
+    case ADB_READREG:
+        switch(reg) {
+        case 1:
+            adb_send_packet1(d->bus, ADB_RET_OK);
+            break;
+        case 3:
+            obuf[0] = ADB_RET_OK;
+            obuf[1] = d->handler;
+            obuf[2] = d->devaddr;
+            adb_send_packet(d->bus, obuf, 3);
+            break;
+        }
+        break;
+    }
+}
+
+void adb_mouse_init(ADBBusState *bus)
+{
+    ADBDevice *d;
+
+    d = adb_register_device(bus, ADB_MOUSE, adb_mouse_receive_packet, NULL);
+    qemu_add_mouse_event_handler(adb_mouse_event, d);
+}