implemented basic support for multiple mouse devices, seems to work
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16022 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen
parent
098b042978
commit
dfd5628d64
@ -173,13 +173,6 @@ ps2_keyboard_command(uint8 cmd, const uint8 *out, int out_count, uint8 *in, int
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return ps2_dev_command(&ps2_device[PS2_DEVICE_KEYB], cmd, out, out_count, in, in_count);
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}
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status_t
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ps2_mouse_command(uint8 cmd, const uint8 *out, int out_count, uint8 *in, int in_count)
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{
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return ps2_dev_command(&ps2_device[PS2_DEVICE_MOUSE], cmd, out, out_count, in, in_count);
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}
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// #pragma mark -
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inline status_t
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@ -19,6 +19,7 @@
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#include <OS.h>
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#include "ps2_defs.h"
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#include "ps2_dev.h"
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// debug defines
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@ -50,7 +51,6 @@ extern void ps2_flush();
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extern status_t ps2_command(uint8 cmd, const uint8 *out, int out_count, uint8 *in, int in_count);
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extern status_t ps2_keyboard_command(uint8 cmd, const uint8 *out, int out_count, uint8 *in, int in_count);
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extern status_t ps2_mouse_command(uint8 cmd, const uint8 *out, int out_count, uint8 *in, int in_count);
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extern status_t ps2_get_command_byte(uint8 *byte);
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extern status_t ps2_set_command_byte(uint8 byte);
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@ -60,14 +60,11 @@ extern void ps2_unclaim_result(void);
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extern status_t ps2_wait_for_result(void);
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extern bool ps2_handle_result(uint8 data);
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extern void ps2_common_uninitialize(void);
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extern status_t ps2_common_initialize(void);
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// prototypes from keyboard.c & mouse.c
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extern status_t probe_keyboard(void);
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extern status_t probe_mouse(size_t *probed_packet_size);
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extern int32 mouse_handle_int(uint8 data);
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extern int32 mouse_handle_int(ps2_dev *dev, uint8 data);
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extern int32 keyboard_handle_int(uint8 data);
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@ -89,30 +89,43 @@ ps2_dev_unpublish(ps2_dev *dev)
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int32
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ps2_dev_handle_int(ps2_dev *dev, uint8 data)
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{
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if (!dev->active) {
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ps2_service_handle_device_added(dev);
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}
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if (dev->result_buf_cnt) {
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dev->result_buf[dev->result_buf_idx] = data;
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dev->result_buf_idx++;
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dev->result_buf_cnt--;
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if (dev->result_buf_cnt == 0) {
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release_sem_etc(dev->result_sem, 1, B_DO_NOT_RESCHEDULE);
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return B_INVOKE_SCHEDULER;
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uint32 flags;
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flags = atomic_get(&dev->flags);
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if (flags & PS2_FLAG_CMD) {
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if ((flags & (PS2_FLAG_ACK | PS2_FLAG_NACK)) == 0) {
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atomic_or(&dev->flags, data == 0xfa ? PS2_FLAG_ACK : PS2_FLAG_NACK);
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} else if (dev->result_buf_cnt) {
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dev->result_buf[dev->result_buf_idx] = data;
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dev->result_buf_idx++;
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dev->result_buf_cnt--;
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if (dev->result_buf_cnt == 0) {
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release_sem_etc(dev->result_sem, 1, B_DO_NOT_RESCHEDULE);
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return B_INVOKE_SCHEDULER;
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}
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} else {
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dprintf("ps2_dev_handle_int can't handle\n");
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}
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return B_HANDLED_INTERRUPT;
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}
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if (!dev->active) {
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ps2_service_handle_device_added(dev);
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dprintf("not active, data dropped\n");
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return B_HANDLED_INTERRUPT;
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}
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if ((flags & PS2_FLAG_ENABLED) == 0) {
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dprintf("not enabled, data dropped\n");
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return B_HANDLED_INTERRUPT;
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}
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// temporary hack...
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if (dev->flags & PS2_FLAG_KEYB)
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if (flags & PS2_FLAG_KEYB)
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return keyboard_handle_int(data);
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else
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return mouse_handle_int(data);
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return mouse_handle_int(dev, data);
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}
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@ -124,6 +137,8 @@ ps2_dev_command(ps2_dev *dev, uint8 cmd, const uint8 *out, int out_count, uint8
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dprintf("ps2_dev_command %02x, %d out, in %d, dev %s\n", cmd, out_count, in_count, dev->name);
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dev->flags |= PS2_FLAG_CMD;
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dev->flags &= ~(PS2_FLAG_ACK | PS2_FLAG_NACK);
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dev->result_buf_cnt = in_count;
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dev->result_buf_idx = 0;
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@ -147,6 +162,16 @@ ps2_dev_command(ps2_dev *dev, uint8 cmd, const uint8 *out, int out_count, uint8
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ps2_write_data(i == -1 ? cmd : out[i]);
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}
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}
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if (dev->flags & PS2_FLAG_ACK) {
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dprintf("ps2_dev_command got ACK\n");
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}
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if (dev->flags & PS2_FLAG_NACK) {
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dev->flags &= ~PS2_FLAG_CMD;
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dprintf("ps2_dev_command got NACK\n");
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return B_ERROR;
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}
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if (res != B_OK) {
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dprintf("ps2_dev_command send failed\n");
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@ -166,6 +191,8 @@ ps2_dev_command(ps2_dev *dev, uint8 cmd, const uint8 *out, int out_count, uint8
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dprintf("ps2_dev_command data %02x\n", in[i]);
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}
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dev->flags &= ~PS2_FLAG_CMD;
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return res;
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}
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@ -10,9 +10,13 @@
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#ifndef __PS2_DEV_H
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#define __PS2_DEV_H
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struct ps2_dev;
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typedef struct ps2_dev ps2_dev;
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#include "ps2_common.h"
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typedef struct
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struct ps2_dev
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{
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const char * name;
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bool active;
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@ -22,14 +26,20 @@ typedef struct
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uint8 * result_buf;
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int result_buf_idx;
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int result_buf_cnt;
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} ps2_dev;
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void * cookie;
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};
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extern ps2_dev ps2_device[5];
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#define PS2_DEVICE_MOUSE 0
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#define PS2_DEVICE_KEYB 4
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#define PS2_FLAG_KEYB 1
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#define PS2_FLAG_KEYB (1<<0)
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#define PS2_FLAG_OPEN (1<<1)
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#define PS2_FLAG_ENABLED (1<<2)
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#define PS2_FLAG_CMD (1<<3)
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#define PS2_FLAG_ACK (1<<4)
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#define PS2_FLAG_NACK (1<<5)
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status_t ps2_dev_init(void);
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void ps2_dev_exit(void);
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@ -225,6 +225,7 @@ keyboard_open(const char *name, uint32 flags, void **_cookie)
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goto err3;
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}
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atomic_or(&ps2_device[PS2_DEVICE_KEYB].flags, PS2_FLAG_ENABLED);
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release_sem(gDeviceOpenSemaphore);
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@ -60,39 +60,44 @@
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#include <Drivers.h>
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#include <string.h>
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#include <malloc.h>
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#include "kb_mouse_driver.h"
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#include "ps2_common.h"
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#include "packet_buffer.h"
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#include "ps2_common.h"
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#include "ps2_dev.h"
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#define MOUSE_HISTORY_SIZE 256
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// we record that many mouse packets before we start to drop them
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static sem_id sMouseSem;
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static struct packet_buffer *sMouseBuffer;
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static int32 sOpenMask;
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static bigtime_t sLastClickTime;
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static bigtime_t sClickSpeed;
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static int32 sClickCount;
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static int sButtonsState;
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static size_t sPacketSize;
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static size_t sPacketIndex;
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static uint8 sPacketBuffer[PS2_MAX_PACKET_SIZE];
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typedef struct
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{
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ps2_dev * dev;
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sem_id mouse_sem;
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packet_buffer * mouse_buffer;
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bigtime_t click_last_time;
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bigtime_t click_speed;
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int click_count;
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int buttons_state;
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size_t packet_size;
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size_t packet_index;
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uint8 packet_buffer[PS2_MAX_PACKET_SIZE];
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} mouse_cookie;
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static status_t
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ps2_reset_mouse()
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ps2_reset_mouse(mouse_cookie *cookie)
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{
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uint8 read;
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status_t status;
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TRACE(("ps2_reset_mouse()\n"));
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status = ps2_mouse_command(PS2_CMD_RESET_MOUSE, NULL, 0, &read, 1);
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status = ps2_dev_command(cookie->dev, PS2_CMD_RESET_MOUSE, NULL, 0, &read, 1);
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TRACE(("reset mouse: status 0x%08x, data 0x%02x\n", status, read));
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@ -105,12 +110,12 @@ ps2_reset_mouse()
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*/
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static status_t
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ps2_set_sample_rate(uint8 rate)
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ps2_set_sample_rate(mouse_cookie *cookie, uint8 rate)
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{
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int32 tries = 5;
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while (--tries > 0) {
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status_t status = ps2_mouse_command(PS2_CMD_SET_SAMPLE_RATE, &rate, 1, NULL, 0);
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status_t status = ps2_dev_command(cookie->dev, PS2_CMD_SET_SAMPLE_RATE, &rate, 1, NULL, 0);
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if (status == B_OK)
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return B_OK;
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@ -124,7 +129,7 @@ ps2_set_sample_rate(uint8 rate)
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*/
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static void
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ps2_packet_to_movement(uint8 packet[], mouse_movement *pos)
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ps2_packet_to_movement(mouse_cookie *cookie, uint8 packet[], mouse_movement *pos)
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{
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int buttons = packet[0] & 7;
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int xDelta = ((packet[0] & 0x10) ? 0xFFFFFF00 : 0) | packet[1];
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@ -133,17 +138,17 @@ ps2_packet_to_movement(uint8 packet[], mouse_movement *pos)
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int8 wheel_ydelta = 0;
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int8 wheel_xdelta = 0;
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if (buttons != 0 && sButtonsState == 0) {
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if (sLastClickTime + sClickSpeed > currentTime)
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sClickCount++;
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if (buttons != 0 && cookie->buttons_state == 0) {
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if (cookie->click_last_time + cookie->click_speed > currentTime)
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cookie->click_count++;
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else
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sClickCount = 1;
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cookie->click_count = 1;
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}
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sLastClickTime = currentTime;
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sButtonsState = buttons;
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cookie->click_last_time = currentTime;
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cookie->buttons_state = buttons;
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if (sPacketSize == PS2_PACKET_INTELLIMOUSE) {
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if (cookie->packet_size == PS2_PACKET_INTELLIMOUSE) {
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switch (packet[3] & 0x0F) {
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case 0x01: wheel_ydelta = +1; break; // wheel 1 down
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case 0x0F: wheel_ydelta = -1; break; // wheel 1 up
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@ -154,20 +159,20 @@ ps2_packet_to_movement(uint8 packet[], mouse_movement *pos)
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// dprintf("packet: %02x %02x %02x %02x: xd %d, yd %d, 0x%x (%d), w-xd %d, w-yd %d\n",
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// packet[0], packet[1], packet[2], packet[3],
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// xDelta, yDelta, buttons, sClickCount, wheel_xdelta, wheel_ydelta);
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// xDelta, yDelta, buttons, cookie->click_count, wheel_xdelta, wheel_ydelta);
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if (pos) {
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pos->xdelta = xDelta;
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pos->ydelta = yDelta;
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pos->buttons = buttons;
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pos->clicks = sClickCount;
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pos->clicks = cookie->click_count;
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pos->modifiers = 0;
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pos->timestamp = currentTime;
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pos->wheel_ydelta = (int)wheel_ydelta;
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pos->wheel_xdelta = (int)wheel_xdelta;
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TRACE(("xdelta: %d, ydelta: %d, buttons %x, clicks: %ld, timestamp %Ld\n",
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xDelta, yDelta, buttons, sClickCount, currentTime));
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xDelta, yDelta, buttons, cookie->click_count, currentTime));
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}
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}
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@ -176,18 +181,18 @@ ps2_packet_to_movement(uint8 packet[], mouse_movement *pos)
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*/
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static status_t
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mouse_read_event(mouse_movement *userMovement)
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mouse_read_event(mouse_cookie *cookie, mouse_movement *userMovement)
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{
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uint8 packet[PS2_MAX_PACKET_SIZE];
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mouse_movement movement;
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status_t status;
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TRACE(("mouse_read_event()\n"));
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status = acquire_sem_etc(sMouseSem, 1, B_CAN_INTERRUPT, 0);
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status = acquire_sem_etc(cookie->mouse_sem, 1, B_CAN_INTERRUPT, 0);
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if (status < B_OK)
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return status;
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if (packet_buffer_read(sMouseBuffer, packet, sPacketSize) != sPacketSize) {
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if (packet_buffer_read(cookie->mouse_buffer, packet, cookie->packet_size) != cookie->packet_size) {
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TRACE(("error copying buffer\n"));
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return B_ERROR;
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}
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@ -195,7 +200,7 @@ mouse_read_event(mouse_movement *userMovement)
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if (!(packet[0] & 8))
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panic("ps2_hid: got broken data from packet_buffer_read\n");
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ps2_packet_to_movement(packet, &movement);
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ps2_packet_to_movement(cookie, packet, &movement);
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return user_memcpy(userMovement, &movement, sizeof(mouse_movement));
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}
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@ -205,12 +210,12 @@ mouse_read_event(mouse_movement *userMovement)
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*/
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static status_t
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set_mouse_enabled(bool enable)
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set_mouse_enabled(mouse_cookie *cookie, bool enable)
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{
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int32 tries = 5;
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while (true) {
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if (ps2_mouse_command(enable ? PS2_CMD_ENABLE_MOUSE : PS2_CMD_DISABLE_MOUSE, NULL, 0, NULL, 0) == B_OK)
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if (ps2_dev_command(cookie->dev, enable ? PS2_CMD_ENABLE_MOUSE : PS2_CMD_DISABLE_MOUSE, NULL, 0, NULL, 0) == B_OK)
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return B_OK;
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if (--tries <= 0)
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@ -228,33 +233,32 @@ set_mouse_enabled(bool enable)
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* calls to the handler, each holds a different byte on the data port.
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*/
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int32 mouse_handle_int(uint8 data)
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int32 mouse_handle_int(ps2_dev *dev, uint8 data)
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{
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if (atomic_and(&sOpenMask, 1) == 0)
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return B_HANDLED_INTERRUPT;
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if (sPacketIndex == 0 && !(data & 8)) {
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mouse_cookie *cookie = dev->cookie;
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if (cookie->packet_index == 0 && !(data & 8)) {
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TRACE(("bad mouse data, trying resync\n"));
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return B_HANDLED_INTERRUPT;
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}
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sPacketBuffer[sPacketIndex++] = data;
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cookie->packet_buffer[cookie->packet_index++] = data;
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if (sPacketIndex != sPacketSize) {
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if (cookie->packet_index != cookie->packet_size) {
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// packet not yet complete
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return B_HANDLED_INTERRUPT;
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}
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// complete packet is assembled
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sPacketIndex = 0;
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cookie->packet_index = 0;
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if (packet_buffer_write(sMouseBuffer, sPacketBuffer, sPacketSize) != sPacketSize) {
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if (packet_buffer_write(cookie->mouse_buffer, cookie->packet_buffer, cookie->packet_size) != cookie->packet_size) {
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// buffer is full, drop new data
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return B_HANDLED_INTERRUPT;
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}
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release_sem_etc(sMouseSem, 1, B_DO_NOT_RESCHEDULE);
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release_sem_etc(cookie->mouse_sem, 1, B_DO_NOT_RESCHEDULE);
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return B_INVOKE_SCHEDULER;
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}
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@ -263,12 +267,12 @@ int32 mouse_handle_int(uint8 data)
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status_t
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probe_mouse(size_t *probed_packet_size)
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probe_mouse(mouse_cookie *cookie, size_t *probed_packet_size)
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{
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uint8 deviceId = 0;
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// get device id
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ps2_mouse_command(PS2_CMD_GET_DEVICE_ID, NULL, 0, &deviceId, 1);
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ps2_dev_command(cookie->dev, PS2_CMD_GET_DEVICE_ID, NULL, 0, &deviceId, 1);
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TRACE(("probe_mouse(): device id: %2x\n", deviceId));
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@ -277,11 +281,11 @@ probe_mouse(size_t *probed_packet_size)
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while (--tries > 0) {
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// try to switch to intellimouse mode
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if (ps2_set_sample_rate(200) == B_OK
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&& ps2_set_sample_rate(100) == B_OK
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&& ps2_set_sample_rate(80) == B_OK) {
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if (ps2_set_sample_rate(cookie, 200) == B_OK
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&& ps2_set_sample_rate(cookie, 100) == B_OK
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&& ps2_set_sample_rate(cookie, 80) == B_OK) {
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// get device id, again
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ps2_mouse_command(PS2_CMD_GET_DEVICE_ID, NULL, 0, &deviceId, 1);
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ps2_dev_command(cookie->dev, PS2_CMD_GET_DEVICE_ID, NULL, 0, &deviceId, 1);
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TRACE(("probe_mouse(): device id: %2x\n", deviceId));
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break;
|
||||
}
|
||||
@ -312,83 +316,105 @@ probe_mouse(size_t *probed_packet_size)
|
||||
status_t
|
||||
mouse_open(const char *name, uint32 flags, void **_cookie)
|
||||
{
|
||||
status_t status;
|
||||
int8 commandByte;
|
||||
mouse_cookie *cookie;
|
||||
ps2_dev *dev;
|
||||
status_t status;
|
||||
int i;
|
||||
|
||||
TRACE(("mouse_open() %s\n", name));
|
||||
|
||||
TRACE(("mouse_open()\n"));
|
||||
|
||||
if (atomic_or(&sOpenMask, 1) != 0)
|
||||
for (dev = NULL, i = 0; i < 5; i++) {
|
||||
if (0 == strcmp(ps2_device[i].name, name)) {
|
||||
dev = &ps2_device[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (dev == NULL) {
|
||||
TRACE(("dev = NULL\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
if (atomic_or(&dev->flags, PS2_FLAG_OPEN) & PS2_FLAG_OPEN)
|
||||
return B_BUSY;
|
||||
|
||||
acquire_sem(gDeviceOpenSemaphore);
|
||||
|
||||
status = probe_mouse(&sPacketSize);
|
||||
if (status != B_OK)
|
||||
|
||||
cookie = malloc(sizeof(mouse_cookie));
|
||||
if (cookie == NULL)
|
||||
goto err1;
|
||||
|
||||
sPacketIndex = 0;
|
||||
*_cookie = cookie;
|
||||
memset(cookie, 0, sizeof(*cookie));
|
||||
|
||||
sMouseBuffer = create_packet_buffer(MOUSE_HISTORY_SIZE * sPacketSize);
|
||||
if (sMouseBuffer == NULL) {
|
||||
cookie->dev = dev;
|
||||
dev->cookie = cookie;
|
||||
|
||||
status = probe_mouse(cookie, &cookie->packet_size);
|
||||
if (status != B_OK) {
|
||||
TRACE(("can't probe mouse\n"));
|
||||
goto err1;
|
||||
}
|
||||
|
||||
cookie->mouse_buffer = create_packet_buffer(MOUSE_HISTORY_SIZE * cookie->packet_size);
|
||||
if (cookie->mouse_buffer == NULL) {
|
||||
TRACE(("can't allocate mouse actions buffer\n"));
|
||||
status = B_NO_MEMORY;
|
||||
goto err2;
|
||||
}
|
||||
|
||||
// create the mouse semaphore, used for synchronization between
|
||||
// the interrupt handler and the read operation
|
||||
sMouseSem = create_sem(0, "ps2_mouse_sem");
|
||||
if (sMouseSem < 0) {
|
||||
cookie->mouse_sem = create_sem(0, "ps2_mouse_sem");
|
||||
if (cookie->mouse_sem < 0) {
|
||||
TRACE(("failed creating PS/2 mouse semaphore!\n"));
|
||||
status = sMouseSem;
|
||||
goto err3;
|
||||
}
|
||||
|
||||
*_cookie = NULL;
|
||||
|
||||
status = set_mouse_enabled(true);
|
||||
status = set_mouse_enabled(cookie, true);
|
||||
if (status < B_OK) {
|
||||
TRACE(("mouse_open(): cannot enable PS/2 mouse\n"));
|
||||
goto err4;
|
||||
}
|
||||
|
||||
release_sem(gDeviceOpenSemaphore);
|
||||
atomic_or(&dev->flags, PS2_FLAG_ENABLED);
|
||||
|
||||
TRACE(("mouse_open(): mouse succesfully enabled\n"));
|
||||
return B_OK;
|
||||
|
||||
err4:
|
||||
delete_sem(sMouseSem);
|
||||
delete_sem(cookie->mouse_sem);
|
||||
err3:
|
||||
delete_packet_buffer(sMouseBuffer);
|
||||
delete_packet_buffer(cookie->mouse_buffer);
|
||||
err2:
|
||||
free(cookie);
|
||||
err1:
|
||||
atomic_and(&sOpenMask, 0);
|
||||
release_sem(gDeviceOpenSemaphore);
|
||||
|
||||
return status;
|
||||
atomic_and(&dev->flags, ~PS2_FLAG_OPEN);
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
mouse_close(void *cookie)
|
||||
mouse_close(void *_cookie)
|
||||
{
|
||||
mouse_cookie *cookie = _cookie;
|
||||
|
||||
TRACE(("mouse_close()\n"));
|
||||
|
||||
set_mouse_enabled(false);
|
||||
set_mouse_enabled(cookie, false);
|
||||
|
||||
delete_packet_buffer(sMouseBuffer);
|
||||
delete_sem(sMouseSem);
|
||||
delete_packet_buffer(cookie->mouse_buffer);
|
||||
delete_sem(cookie->mouse_sem);
|
||||
|
||||
atomic_and(&sOpenMask, 0);
|
||||
atomic_and(&cookie->dev->flags, ~PS2_FLAG_OPEN);
|
||||
atomic_and(&cookie->dev->flags, ~PS2_FLAG_ENABLED);
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
mouse_freecookie(void *cookie)
|
||||
mouse_freecookie(void *_cookie)
|
||||
{
|
||||
mouse_cookie *cookie = _cookie;
|
||||
free(cookie);
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
@ -410,20 +436,22 @@ mouse_write(void *cookie, off_t pos, const void *buffer, size_t *_length)
|
||||
|
||||
|
||||
status_t
|
||||
mouse_ioctl(void *cookie, uint32 op, void *buffer, size_t length)
|
||||
mouse_ioctl(void *_cookie, uint32 op, void *buffer, size_t length)
|
||||
{
|
||||
mouse_cookie *cookie = _cookie;
|
||||
|
||||
switch (op) {
|
||||
case MS_NUM_EVENTS:
|
||||
{
|
||||
int32 count;
|
||||
TRACE(("MS_NUM_EVENTS\n"));
|
||||
get_sem_count(sMouseSem, &count);
|
||||
get_sem_count(cookie->mouse_sem, &count);
|
||||
return count;
|
||||
}
|
||||
|
||||
case MS_READ:
|
||||
TRACE(("MS_READ\n"));
|
||||
return mouse_read_event((mouse_movement *)buffer);
|
||||
return mouse_read_event(cookie, (mouse_movement *)buffer);
|
||||
|
||||
case MS_SET_TYPE:
|
||||
TRACE(("MS_SET_TYPE not implemented\n"));
|
||||
@ -443,7 +471,7 @@ mouse_ioctl(void *cookie, uint32 op, void *buffer, size_t length)
|
||||
|
||||
case MS_SET_CLICKSPEED:
|
||||
TRACE(("MS_SETCLICK (set click speed)\n"));
|
||||
return user_memcpy(&sClickSpeed, buffer, sizeof(bigtime_t));
|
||||
return user_memcpy(&cookie->click_speed, buffer, sizeof(bigtime_t));
|
||||
|
||||
default:
|
||||
TRACE(("unknown opcode: %ld\n", op));
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user