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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
commitf721e3ac031f892af46f255a47d7f54a91317b30 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /hw/goldfish_events_device.c
parentbae1bc39312d5019bd9a5b8d840a529213a69a17 (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'hw/goldfish_events_device.c')
-rw-r--r--hw/goldfish_events_device.c423
1 files changed, 0 insertions, 423 deletions
diff --git a/hw/goldfish_events_device.c b/hw/goldfish_events_device.c
deleted file mode 100644
index 4cb2904..0000000
--- a/hw/goldfish_events_device.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/* Copyright (C) 2007-2008 The Android Open Source Project
-**
-** This software is licensed under the terms of the GNU General Public
-** License version 2, as published by the Free Software Foundation, and
-** may be copied, distributed, and modified under those terms.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU General Public License for more details.
-*/
-#include "qemu_file.h"
-#include "android/hw-events.h"
-#include "irq.h"
-
-#if 0
-// From kernel...
-#define EV_SYN 0x00
-#define EV_KEY 0x01
-#define EV_REL 0x02
-#define EV_ABS 0x03
-#define EV_MSC 0x04
-#define EV_SW 0x05
-#define EV_LED 0x11
-#define EV_SND 0x12
-#define EV_REP 0x14
-#define EV_FF 0x15
-#define EV_PWR 0x16
-#define EV_FF_STATUS 0x17
-#define EV_MAX 0x1f
-
-#define BTN_MISC 0x100
-#define BTN_0 0x100
-#define BTN_1 0x101
-#define BTN_2 0x102
-#define BTN_3 0x103
-#define BTN_4 0x104
-#define BTN_5 0x105
-#define BTN_6 0x106
-#define BTN_7 0x107
-#define BTN_8 0x108
-#define BTN_9 0x109
-
-#define BTN_MOUSE 0x110
-#define BTN_LEFT 0x110
-#define BTN_RIGHT 0x111
-#define BTN_MIDDLE 0x112
-#define BTN_SIDE 0x113
-#define BTN_EXTRA 0x114
-#define BTN_FORWARD 0x115
-#define BTN_BACK 0x116
-#define BTN_TASK 0x117
-
-#define BTN_JOYSTICK 0x120
-#define BTN_TRIGGER 0x120
-#define BTN_THUMB 0x121
-#define BTN_THUMB2 0x122
-#define BTN_TOP 0x123
-#define BTN_TOP2 0x124
-#define BTN_PINKIE 0x125
-#define BTN_BASE 0x126
-#define BTN_BASE2 0x127
-#define BTN_BASE3 0x128
-#define BTN_BASE4 0x129
-#define BTN_BASE5 0x12a
-#define BTN_BASE6 0x12b
-#define BTN_DEAD 0x12f
-
-#define BTN_GAMEPAD 0x130
-#define BTN_A 0x130
-#define BTN_B 0x131
-#define BTN_C 0x132
-#define BTN_X 0x133
-#define BTN_Y 0x134
-#define BTN_Z 0x135
-#define BTN_TL 0x136
-#define BTN_TR 0x137
-#define BTN_TL2 0x138
-#define BTN_TR2 0x139
-#define BTN_SELECT 0x13a
-#define BTN_START 0x13b
-#define BTN_MODE 0x13c
-#define BTN_THUMBL 0x13d
-#define BTN_THUMBR 0x13e
-
-#define BTN_DIGI 0x140
-#define BTN_TOOL_PEN 0x140
-#define BTN_TOOL_RUBBER 0x141
-#define BTN_TOOL_BRUSH 0x142
-#define BTN_TOOL_PENCIL 0x143
-#define BTN_TOOL_AIRBRUSH 0x144
-#define BTN_TOOL_FINGER 0x145
-#define BTN_TOOL_MOUSE 0x146
-#define BTN_TOOL_LENS 0x147
-#define BTN_TOUCH 0x14a
-#define BTN_STYLUS 0x14b
-#define BTN_STYLUS2 0x14c
-#define BTN_TOOL_DOUBLETAP 0x14d
-#define BTN_TOOL_TRIPLETAP 0x14e
-
-#define BTN_WHEEL 0x150
-#define BTN_GEAR_DOWN 0x150
-#define BTN_GEAR_UP 0x151
-
-#define REL_X 0x00
-#define REL_Y 0x01
-
-#define ABS_X 0x00
-#define ABS_Y 0x01
-#define ABS_Z 0x02
-#define ABS_RX 0x03
-#define ABS_RY 0x04
-#define ABS_RZ 0x05
-#define ABS_THROTTLE 0x06
-#define ABS_RUDDER 0x07
-#define ABS_WHEEL 0x08
-#define ABS_GAS 0x09
-#define ABS_BRAKE 0x0a
-#define ABS_HAT0X 0x10
-#define ABS_HAT0Y 0x11
-#define ABS_HAT1X 0x12
-#define ABS_HAT1Y 0x13
-#define ABS_HAT2X 0x14
-#define ABS_HAT2Y 0x15
-#define ABS_HAT3X 0x16
-#define ABS_HAT3Y 0x17
-#define ABS_PRESSURE 0x18
-#define ABS_DISTANCE 0x19
-#define ABS_TILT_X 0x1a
-#define ABS_TILT_Y 0x1b
-#define ABS_TOOL_WIDTH 0x1c
-#define ABS_VOLUME 0x20
-#define ABS_MISC 0x28
-#define ABS_MAX 0x3f
-#endif
-
-#define MAX_EVENTS 256*4
-
-enum {
- REG_READ = 0x00,
- REG_SET_PAGE = 0x00,
- REG_LEN = 0x04,
- REG_DATA = 0x08,
-
- PAGE_NAME = 0x00000,
- PAGE_EVBITS = 0x10000,
- PAGE_ABSDATA = 0x20000 | EV_ABS,
-};
-
-typedef struct
-{
- uint32_t base;
- qemu_irq irq;
- int pending;
- int page;
-
- unsigned events[MAX_EVENTS];
- unsigned first;
- unsigned last;
-
- const char *name;
- struct {
- size_t len;
- uint8_t *bits;
- } ev_bits[EV_MAX + 1];
- int32_t *abs_info;
- size_t abs_info_count;
-} events_state;
-
-/* modify this each time you change the events_device structure. you
- * will also need to upadte events_state_load and events_state_save
- */
-#define EVENTS_STATE_SAVE_VERSION 1
-
-#undef QFIELD_STRUCT
-#define QFIELD_STRUCT events_state
-
-QFIELD_BEGIN(events_state_fields)
- QFIELD_INT32(pending),
- QFIELD_INT32(page),
- QFIELD_BUFFER(events),
- QFIELD_INT32(first),
- QFIELD_INT32(last),
-QFIELD_END
-
-static void events_state_save(QEMUFile* f, void* opaque)
-{
- events_state* s = opaque;
-
- qemu_put_struct(f, events_state_fields, s);
-}
-
-static int events_state_load(QEMUFile* f, void* opaque, int version_id)
-{
- events_state* s = opaque;
-
- if (version_id != EVENTS_STATE_SAVE_VERSION)
- return -1;
-
- return qemu_get_struct(f, events_state_fields, s);
-}
-
-extern const char* android_skin_keycharmap;
-
-static void enqueue_event(events_state *s, unsigned int type, unsigned int code, int value)
-{
- int enqueued = s->last - s->first;
-
- if (enqueued < 0)
- enqueued += MAX_EVENTS;
-
- if (enqueued + 3 >= MAX_EVENTS-1) {
- fprintf(stderr, "##KBD: Full queue, lose event\n");
- return;
- }
-
- if(s->first == s->last){
- qemu_irq_raise(s->irq);
- }
-
- //fprintf(stderr, "##KBD: type=%d code=%d value=%d\n", type, code, value);
-
- s->events[s->last] = type;
- s->last = (s->last + 1) & (MAX_EVENTS-1);
- s->events[s->last] = code;
- s->last = (s->last + 1) & (MAX_EVENTS-1);
- s->events[s->last] = value;
- s->last = (s->last + 1) & (MAX_EVENTS-1);
-}
-
-static unsigned dequeue_event(events_state *s)
-{
- unsigned n;
-
- if(s->first == s->last) {
- return 0;
- }
-
- n = s->events[s->first];
-
- s->first = (s->first + 1) & (MAX_EVENTS - 1);
-
- if(s->first == s->last) {
- qemu_irq_lower(s->irq);
- }
-
- return n;
-}
-
-static int get_page_len(events_state *s)
-{
- int page = s->page;
- if (page == PAGE_NAME)
- return strlen(s->name);
- if (page >= PAGE_EVBITS && page <= PAGE_EVBITS + EV_MAX)
- return s->ev_bits[page - PAGE_EVBITS].len;
- if (page == PAGE_ABSDATA)
- return s->abs_info_count * sizeof(s->abs_info[0]);
- return 0;
-}
-
-static int get_page_data(events_state *s, int offset)
-{
- int page_len = get_page_len(s);
- int page = s->page;
- if (offset > page_len)
- return 0;
- if (page == PAGE_NAME)
- return s->name[offset];
- if (page >= PAGE_EVBITS && page <= PAGE_EVBITS + EV_MAX)
- return s->ev_bits[page - PAGE_EVBITS].bits[offset];
- if (page == PAGE_ABSDATA)
- return s->abs_info[offset / sizeof(s->abs_info[0])];
- return 0;
-}
-
-static uint32_t events_read(void *x, target_phys_addr_t off)
-{
- events_state *s = (events_state *) x;
- int offset = off - s->base;
- if (offset == REG_READ)
- return dequeue_event(s);
- else if (offset == REG_LEN)
- return get_page_len(s);
- else if (offset >= REG_DATA)
- return get_page_data(s, offset - REG_DATA);
- return 0; // this shouldn't happen, if the driver does the right thing
-}
-
-static void events_write(void *x, target_phys_addr_t off, uint32_t val)
-{
- events_state *s = (events_state *) x;
- int offset = off - s->base;
- if (offset == REG_SET_PAGE)
- s->page = val;
-}
-
-static CPUReadMemoryFunc *events_readfn[] = {
- events_read,
- events_read,
- events_read
-};
-
-static CPUWriteMemoryFunc *events_writefn[] = {
- events_write,
- events_write,
- events_write
-};
-
-static void events_put_keycode(void *x, int keycode)
-{
- events_state *s = (events_state *) x;
-
- enqueue_event(s, EV_KEY, keycode&0x1ff, (keycode&0x200) ? 1 : 0);
-}
-
-static void events_put_mouse(void *opaque, int dx, int dy, int dz, int buttons_state)
-{
- events_state *s = (events_state *) opaque;
- if (dz == 0) {
- enqueue_event(s, EV_ABS, ABS_X, dx);
- enqueue_event(s, EV_ABS, ABS_Y, dy);
- enqueue_event(s, EV_ABS, ABS_Z, dz);
- enqueue_event(s, EV_KEY, BTN_TOUCH, buttons_state&1);
- } else {
- enqueue_event(s, EV_REL, REL_X, dx);
- enqueue_event(s, EV_REL, REL_Y, dy);
- }
- enqueue_event(s, EV_SYN, 0, 0);
-}
-
-static void events_put_generic(void* opaque, int type, int code, int value)
-{
- events_state *s = (events_state *) opaque;
-
- enqueue_event(s, type, code, value);
-}
-
-static int events_set_bits(events_state *s, int type, int bitl, int bith)
-{
- uint8_t *bits;
- uint8_t maskl, maskh;
- int il, ih;
- il = bitl / 8;
- ih = bith / 8;
- if (ih >= s->ev_bits[type].len) {
- bits = qemu_mallocz(ih + 1);
- if (bits == NULL)
- return -ENOMEM;
- memcpy(bits, s->ev_bits[type].bits, s->ev_bits[type].len);
- qemu_free(s->ev_bits[type].bits);
- s->ev_bits[type].bits = bits;
- s->ev_bits[type].len = ih + 1;
- }
- else
- bits = s->ev_bits[type].bits;
- maskl = 0xffU << (bitl & 7);
- maskh = 0xffU >> (7 - (bith & 7));
- if (il >= ih)
- maskh &= maskl;
- else {
- bits[il] |= maskl;
- while (++il < ih)
- bits[il] = 0xff;
- }
- bits[ih] |= maskh;
- return 0;
-}
-
-#if 0
-static int events_set_abs_info(events_state *s, int axis, int32_t min, int32_t max, int32_t fuzz, int32_t flat)
-{
- int32_t *info;
- if (axis * 4 >= s->abs_info_count) {
- info = qemu_mallocz((axis + 1) * 4 * sizeof(int32_t));
- if (info == NULL)
- return -ENOMEM;
- memcpy(info, s->abs_info, s->abs_info_count);
- qemu_free(s->abs_info);
- s->abs_info = info;
- s->abs_info_count = (axis + 1) * 4;
- }
- else
- info = s->abs_info;
- info += axis * 4;
- *info++ = min;
- *info++ = max;
- *info++ = fuzz;
- *info++ = flat;
-}
-#endif
-
-void events_dev_init(uint32_t base, qemu_irq irq)
-{
- events_state *s;
- int iomemtype;
-
- s = (events_state *) qemu_mallocz(sizeof(events_state));
- s->name = android_skin_keycharmap;
- events_set_bits(s, EV_SYN, EV_SYN, EV_ABS);
- events_set_bits(s, EV_SYN, EV_SW, EV_SW);
- events_set_bits(s, EV_KEY, 1, 0x1ff);
- events_set_bits(s, EV_REL, REL_X, REL_Y);
- events_set_bits(s, EV_ABS, ABS_X, ABS_Z);
- events_set_bits(s, EV_SW, 0, 0);
- iomemtype = cpu_register_io_memory(0, events_readfn, events_writefn, s);
-
- cpu_register_physical_memory(base, 0xfff, iomemtype);
-
- qemu_add_kbd_event_handler(events_put_keycode, s);
- qemu_add_mouse_event_handler(events_put_mouse, s, 1);
- qemu_add_generic_event_handler(events_put_generic, s);
-
- s->base = base;
- s->irq = irq;
-
- s->first = 0;
- s->last = 0;
-
- register_savevm( "events_state", 0, EVENTS_STATE_SAVE_VERSION,
- events_state_save, events_state_load, s );
-}
-