OpenE2K/qemu-e2k
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added mouse protocol (Igor Kovalenko)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2150 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-09-09 11:35:47 +00:00
parent 21206a104f
commit 715748fa08
1 changed files with 54 additions and 15 deletions
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69
hw/slavio_serial.c
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@ -42,6 +42,13 @@
*
*/
/*
* Modifications:
* 2006-Aug-10 Igor Kovalenko : Renamed KBDQueue to SERIOQueue, implemented
* serial mouse queue.
* Implemented serial mouse protocol.
*/
#ifdef DEBUG_SERIAL
#define SER_DPRINTF(fmt, args...) \
do { printf("SER: " fmt , ##args); } while (0)
@ -58,7 +65,7 @@ do { printf("KBD: " fmt , ##args); } while (0)
#endif
#ifdef DEBUG_MOUSE
#define MS_DPRINTF(fmt, args...) \
do { printf("SER: " fmt , ##args); } while (0)
do { printf("MSC: " fmt , ##args); } while (0)
#else
#define MS_DPRINTF(fmt, args...)
#endif
@ -71,12 +78,12 @@ typedef enum {
ser, kbd, mouse,
} chn_type_t;
#define KBD_QUEUE_SIZE 256
#define SERIO_QUEUE_SIZE 256
typedef struct {
uint8_t data[KBD_QUEUE_SIZE];
uint8_t data[SERIO_QUEUE_SIZE];
int rptr, wptr, count;
} KBDQueue;
} SERIOQueue;
typedef struct ChannelState {
int irq;
@ -86,7 +93,7 @@ typedef struct ChannelState {
chn_type_t type;
struct ChannelState *otherchn;
uint8_t rx, tx, wregs[16], rregs[16];
KBDQueue queue;
SERIOQueue queue;
CharDriverState *chr;
} ChannelState;
@ -103,13 +110,13 @@ static void serial_receive_byte(ChannelState *s, int ch);
static void put_queue(void *opaque, int b)
{
ChannelState *s = opaque;
KBDQueue *q = &s->queue;
SERIOQueue *q = &s->queue;
KBD_DPRINTF("put: 0x%02x\n", b);
if (q->count >= KBD_QUEUE_SIZE)
SER_DPRINTF("put: 0x%02x\n", b);
if (q->count >= SERIO_QUEUE_SIZE)
return;
q->data[q->wptr] = b;
if (++q->wptr == KBD_QUEUE_SIZE)
if (++q->wptr == SERIO_QUEUE_SIZE)
q->wptr = 0;
q->count++;
serial_receive_byte(s, 0);
@ -118,14 +125,14 @@ static void put_queue(void *opaque, int b)
static uint32_t get_queue(void *opaque)
{
ChannelState *s = opaque;
KBDQueue *q = &s->queue;
SERIOQueue *q = &s->queue;
int val;
if (q->count == 0) {
return 0;
} else {
val = q->data[q->rptr];
if (++q->rptr == KBD_QUEUE_SIZE)
if (++q->rptr == SERIO_QUEUE_SIZE)
q->rptr = 0;
q->count--;
}
@ -326,7 +333,7 @@ static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr)
case 1:
s->rregs[0] &= ~1;
clr_rxint(s);
if (s->type == kbd)
if (s->type == kbd || s->type == mouse)
ret = get_queue(s);
else
ret = s->rx;
@ -512,9 +519,41 @@ static void sunmouse_event(void *opaque,
ChannelState *s = opaque;
int ch;
// XXX
ch = 0x42;
serial_receive_byte(s, ch);
MS_DPRINTF("dx=%d dy=%d buttons=%01x\n", dx, dy, buttons_state);
ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */
if (buttons_state & MOUSE_EVENT_LBUTTON)
ch ^= 0x4;
if (buttons_state & MOUSE_EVENT_MBUTTON)
ch ^= 0x2;
if (buttons_state & MOUSE_EVENT_RBUTTON)
ch ^= 0x1;
put_queue(s, ch);
ch = dx;
if (ch > 127)
ch=127;
else if (ch < -127)
ch=-127;
put_queue(s, ch & 0xff);
ch = -dy;
if (ch > 127)
ch=127;
else if (ch < -127)
ch=-127;
put_queue(s, ch & 0xff);
// MSC protocol specify two extra motion bytes
put_queue(s, 0);
put_queue(s, 0);
}
void slavio_serial_ms_kbd_init(int base, int irq)