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drivers: uart: add system call handlers

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Certain interrupt-driven APIs were excluded as they are intended
only to be called from ISRs, or involve registering a callback
which runs in interrupt context.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2017-10-26 13:24:34 -07:00 • committed by Andrew Boie
commit b93f59e15c
3 changed files with 116 additions and 17 deletions
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66
drivers/serial/uart_handlers.c Normal file
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/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <uart.h>
#include <syscall_handler.h>
#define UART_SIMPLE(name_) \
_SYSCALL_HANDLER1_SIMPLE(name_, K_OBJ_DRIVER_UART, struct device *)
#define UART_SIMPLE_VOID(name_) \
_SYSCALL_HANDLER1_SIMPLE_VOID(name_, K_OBJ_DRIVER_UART, \
struct device *)
UART_SIMPLE(uart_err_check);
_SYSCALL_HANDLER(uart_poll_in, dev, p_char)
{
_SYSCALL_OBJ(dev, K_OBJ_DRIVER_UART);
_SYSCALL_MEMORY_WRITE(p_char, sizeof(unsigned char));
return _impl_uart_poll_in((struct device *)dev,
(unsigned char *)p_char);
}
_SYSCALL_HANDLER(uart_poll_out, dev, out_char)
{
_SYSCALL_OBJ(dev, K_OBJ_DRIVER_UART);
return _impl_uart_poll_out((struct device *)dev, out_char);
}
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
UART_SIMPLE_VOID(uart_irq_tx_enable);
UART_SIMPLE_VOID(uart_irq_tx_disable);
UART_SIMPLE_VOID(uart_irq_rx_enable);
UART_SIMPLE_VOID(uart_irq_rx_disable);
UART_SIMPLE_VOID(uart_irq_err_enable);
UART_SIMPLE_VOID(uart_irq_err_disable);
UART_SIMPLE(uart_irq_is_pending);
UART_SIMPLE(uart_irq_update);
#endif /* CONFIG_UART_INTERRUPT_DRIVEN */
#ifdef CONFIG_UART_LINE_CTRL
_SYSCALL_HANDLER(uart_line_ctrl_set, dev, ctrl, val)
{
_SYSCALL_OBJ(dev, K_OBJ_DRIVER_UART);
return _impl_uart_line_ctrl_set((struct device *)dev, ctrl, val);
}
_SYSCALL_HANDLER(uart_line_ctrl_get, dev, ctrl, val);
{
_SYSCALL_OBJ(dev, K_OBJ_DRIVER_UART);
_SYSCALL_MEMORY_WRITE(val, sizeof(u32_t));
return _impl_uart_line_ctrl_get((struct device *)dev, ctrl,
(u32_t *)val);
}
#endif /* CONFIG_UART_LINE_CTRL */
#ifdef CONFIG_UART_DRV_CMD
_SYSCALL_HANDLER(uart_drv_cmd, dev, cmd, p)
{
_SYSCALL_OBJ(dev, K_OBJ_DRIVER_UART);
return _impl_uart_drv_cmd((struct device *)dev, cmd, p);
}
#endif /* CONFIG_UART_DRV_CMD */