rt-thread/bsp/qemu-vexpress-gemini/drivers/vbus_drv.c

102 lines
2.3 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-01-07 Grissiom add comment
*/
#include <rtthread.h>
#ifdef RT_USING_VBUS
#include <rtdevice.h>
#include <rthw.h>
#include <interrupt.h>
#include <vbus.h>
#include <board.h>
int rt_vbus_do_init(void)
{
return rt_vbus_init((void*)_RT_VBUS_RING_BASE,
(void*)(_RT_VBUS_RING_BASE + _RT_VBUS_RING_SZ));
}
INIT_COMPONENT_EXPORT(rt_vbus_do_init);
static void _bus_resume_in_thread(int irqnr, void *param)
{
rt_vbus_isr(irqnr, RT_NULL);
}
int rt_vbus_hw_init(void)
{
rt_kprintf("install irq: %d\n", RT_VBUS_HOST_VIRQ);
rt_hw_interrupt_install(RT_VBUS_HOST_VIRQ,
_bus_resume_in_thread, RT_NULL,
"vbusin");
rt_hw_interrupt_umask(RT_VBUS_HOST_VIRQ);
return 0;
}
int rt_vbus_hw_eoi(int irqnr, void *param)
{
rt_hw_interrupt_clear(irqnr);
return 0;
}
#define RT_VBUS_SER_PRIO 20
#define RT_VBUS_RFS_PRIO 19
#define RT_VBUS_TASK2_PRIO 6
#define RT_VBUS_INT_PRIO 4
struct rt_vbus_dev rt_vbus_chn_devx[] = {
{
.req =
{
.prio = RT_VBUS_SER_PRIO,
.name = RT_VBUS_SHELL_DEV_NAME,
.is_server = 1,
.recv_wm.low = RT_VMM_RB_BLK_NR / 3,
.recv_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
.post_wm.low = RT_VMM_RB_BLK_NR / 3,
.post_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
}
},
{
.req =
{
.prio = 23,
.name = RT_VBUS_RFS_DEV_NAME,
.is_server = 0,
.recv_wm.low = RT_VMM_RB_BLK_NR / 3,
.recv_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
.post_wm.low = RT_VMM_RB_BLK_NR / 3,
.post_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
}
},
{
.req =
{
.prio = 30,
.name = "vecho",
.is_server = 1,
.recv_wm.low = RT_VMM_RB_BLK_NR / 3,
.recv_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
.post_wm.low = RT_VMM_RB_BLK_NR / 3,
.post_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
}
},
{
.req =
{
.name = RT_NULL,
}
},
};
#endif /* RT_USING_VBUS */