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rt-thread-official/bsp/qemu-vexpress-a9/drivers/drv_mouse.c

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/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020/12/31 Bernard Add license info
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
#include "interrupt.h"
#include "drv_mouse.h"
#include "drv_clcd.h"
#define DBG_TAG "drv.mouse"
#define DBG_LVL DBG_INFO
#include "rtdbg.h"
#ifdef BSP_DRV_MOUSE
#define MOUSE_ADDRESS (0x10007000)
#define MOUSE_IRQ_NUM (IRQ_VEXPRESS_A9_MOUSE)
#define MOUSE_XMAX (BSP_LCD_WIDTH)
#define MOUSE_YMAX (BSP_LCD_HEIGHT)
#define MOUSE_BUTTON_LEFT (0x01)
#define MOUSE_BUTTON_RIGHT (0x02)
#define MOUSE_BUTTON_MIDDLE (0x04)
#define MOUSE_BUTTON_DOWN (0x10)
#define MOUSE_BUTTON_UP (0x20)
#define MOUSE_BUTTON_MOVE (0x40)
#define MOUSE_BUTTON_WHELL (0x80)
#ifdef PKG_USING_GUIENGINE
#include <rtgui/event.h>
#include <rtgui/rtgui_server.h>
#elif defined(PKG_USING_LITTLEVGL2RTT)
#include <littlevgl2rtt.h>
#elif defined(PKG_USING_LVGL)
#include <lvgl.h>
#include <lv_port_indev.h>
static rt_bool_t touch_down = RT_FALSE;
#endif
typedef rt_uint32_t virtual_addr_t;
enum {
MOUSE_CR = 0x00,
MOUSE_STAT = 0x04,
MOUSE_DATA = 0x08,
MOUSE_CLKDIV = 0x0c,
MOUSE_IIR = 0x10,
};
struct mouse_pl050_pdata_t {
virtual_addr_t virt;
int irq;
int xmax, ymax;
int xpos, ypos;
unsigned char packet[4];
int index;
int obtn;
int type;
};
rt_inline rt_uint8_t read8(uint32_t addr)
{
return (*((volatile rt_uint8_t *)(addr)));
}
rt_inline void write8(uint32_t addr, rt_uint8_t value)
{
*((volatile rt_uint8_t *)(addr)) = value;
}
rt_inline rt_uint32_t read32(uint32_t addr)
{
return (*((volatile rt_uint32_t *)(addr)));
}
rt_inline void write32(uint32_t addr, rt_uint32_t value)
{
*((volatile rt_uint32_t *)(addr)) = value;
}
rt_inline int kmi_write(struct mouse_pl050_pdata_t * pdat, rt_uint8_t value)
{
int timeout = 1000;
while((read8(pdat->virt + MOUSE_STAT) & (1 << 6)) == 0 && timeout--);
if(timeout)
{
write8(pdat->virt + MOUSE_DATA, value);
while((read8(pdat->virt + MOUSE_STAT) & (1 << 4)) == 0);
if(read8(pdat->virt + MOUSE_DATA) == 0xfa)
return RT_TRUE;
}
return RT_FALSE;
}
rt_inline int kmi_read(struct mouse_pl050_pdata_t * pdat, rt_uint8_t * value)
{
if((read8(pdat->virt + MOUSE_STAT) & (1 << 4)))
{
*value = read8(pdat->virt + MOUSE_DATA);
return RT_TRUE;
}
return RT_FALSE;
}
static rt_uint32_t emouse_id;
void push_event_touch_move(int x, int y)
{
#ifdef PKG_USING_GUIENGINE
struct rtgui_event_mouse emouse;
emouse.parent.sender = RT_NULL;
emouse.wid = RT_NULL;
emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN;
emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
emouse.x = x;
emouse.y = y;
emouse.ts = rt_tick_get();
emouse.id = emouse_id;
LOG_D("[line]:%d motion event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
rtgui_server_post_event(&emouse.parent, sizeof(emouse));
#elif defined(PKG_USING_LITTLEVGL2RTT)
littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE);
#elif defined(PKG_USING_LVGL)
lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
#endif
}
void push_event_touch_begin(int x, int y)
{
#ifdef PKG_USING_GUIENGINE
struct rtgui_event_mouse emouse;
emouse_id = rt_tick_get();
emouse.parent.sender = RT_NULL;
emouse.wid = RT_NULL;
emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN;
emouse.x = x;
emouse.y = y;
emouse.ts = rt_tick_get();
emouse.id = emouse_id;
LOG_D("[line]:%d down event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
rtgui_server_post_event(&emouse.parent, sizeof(emouse));
#elif defined(PKG_USING_LITTLEVGL2RTT)
littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_DOWN);
#elif defined(PKG_USING_LVGL)
touch_down = RT_TRUE;
lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
#endif
}
void push_event_touch_end(int x, int y)
{
#ifdef PKG_USING_GUIENGINE
struct rtgui_event_mouse emouse;
emouse.parent.sender = RT_NULL;
emouse.wid = RT_NULL;
emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP;
emouse.x = x;
emouse.y = y;
emouse.ts = rt_tick_get();
emouse.id = emouse_id;
LOG_D("[line]:%d up event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
rtgui_server_post_event(&emouse.parent, sizeof(emouse));
#elif defined(PKG_USING_LITTLEVGL2RTT)
littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE);
#elif defined(PKG_USING_LVGL)
touch_down = RT_FALSE;
lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
#endif
}
static void mouse_pl050_interrupt(int irq, void * data)
{
struct mouse_pl050_pdata_t * pdat = (struct mouse_pl050_pdata_t *)data;
int x, y, relx, rely, delta;
int btndown, btnup, btn;
int status = 0;
status = read8(pdat->virt + MOUSE_IIR);
while(status & (1 << 0))
{
pdat->packet[pdat->index] = read8(pdat->virt + MOUSE_DATA);
pdat->index = (pdat->index + 1) & 0x3;
if(pdat->index == 0)
{
btn = pdat->packet[0] & 0x7;
btndown = (btn ^ pdat->obtn) & btn;
btnup = (btn ^ pdat->obtn) & pdat->obtn;
pdat->obtn = btn;
if(pdat->packet[0] & 0x10)
relx = 0xffffff00 | pdat->packet[1];
else
relx = pdat->packet[1];
if(pdat->packet[0] & 0x20)
rely = 0xffffff00 | pdat->packet[2];
else
rely = pdat->packet[2];
rely = -rely;
delta = pdat->packet[3] & 0xf;
if(delta == 0xf)
delta = -1;
if(relx != 0)
{
pdat->xpos = pdat->xpos + relx;
if(pdat->xpos < 0)
pdat->xpos = 0;
if(pdat->xpos > pdat->xmax - 1)
pdat->xpos = pdat->xmax - 1;
}
if(rely != 0)
{
pdat->ypos = pdat->ypos + rely;
if(pdat->ypos < 0)
pdat->ypos = 0;
if(pdat->ypos > pdat->ymax - 1)
pdat->ypos = pdat->ymax - 1;
}
x = pdat->xpos;
y = pdat->ypos;
if((btn & (0x01 << 0)) && ((relx != 0) || (rely != 0)))
push_event_touch_move(x, y);
if(btndown & (0x01 << 0))
push_event_touch_begin(x, y);
if(btnup & (0x01 << 0))
push_event_touch_end(x, y);
}
status = read8(pdat->virt + MOUSE_IIR);
}
}
int rt_hw_mouse_init(void)
{
rt_uint8_t value;
rt_uint32_t id;
struct mouse_pl050_pdata_t *pdat;
virtual_addr_t virt = MOUSE_ADDRESS;
int irq = MOUSE_IRQ_NUM;
id = (((read32(virt + 0xfec) & 0xff) << 24) |
((read32(virt + 0xfe8) & 0xff) << 16) |
((read32(virt + 0xfe4) & 0xff) << 8) |
((read32(virt + 0xfe0) & 0xff) << 0));
if(((id >> 12) & 0xff) != 0x41 || (id & 0xfff) != 0x050)
{
LOG_E("read id fail id:0x%08x", id);
return RT_ERROR;
}
pdat = rt_malloc(sizeof(struct mouse_pl050_pdata_t));
if(!pdat)
{
LOG_E("malloc memory failed");
return RT_ERROR;
}
rt_memset(pdat, 0, sizeof(struct mouse_pl050_pdata_t));
pdat->virt = virt;
pdat->irq = irq;
pdat->xmax = MOUSE_XMAX;
pdat->ymax = MOUSE_YMAX;
pdat->xpos = pdat->xmax / 2;
pdat->ypos = pdat->ymax / 2;
pdat->packet[0] = 0;
pdat->packet[1] = 0;
pdat->packet[2] = 0;
pdat->packet[3] = 0;
pdat->index = 0;
pdat->obtn = 0;
write8(pdat->virt + MOUSE_CLKDIV, 0);
write8(pdat->virt + MOUSE_CR, (1 << 2));
kmi_write(pdat, 0xff);
kmi_read(pdat, &value);
kmi_write(pdat, 0xf3);
kmi_write(pdat, 200);
kmi_write(pdat, 0xf3);
kmi_write(pdat, 100);
kmi_write(pdat, 0xf3);
kmi_write(pdat, 80);
kmi_write(pdat, 0xf2);
kmi_read(pdat, &value);
kmi_read(pdat, &value);
kmi_write(pdat, 0xf3);
kmi_write(pdat, 100);
kmi_write(pdat, 0xe8);
kmi_write(pdat, 0x02);
kmi_write(pdat, 0xe6);
kmi_write(pdat, 0xf4);
kmi_read(pdat, &value);
kmi_read(pdat, &value);
kmi_read(pdat, &value);
kmi_read(pdat, &value);
write8(pdat->virt + MOUSE_CR, (1 << 2) | (1 << 4));
rt_hw_interrupt_install(pdat->irq, mouse_pl050_interrupt, (void *)pdat, "mouse");
rt_hw_interrupt_umask(pdat->irq);
return RT_EOK;
}
INIT_DEVICE_EXPORT(rt_hw_mouse_init);
#endif
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