/**
 * @file
 *
 * @ingroup RTEMSBSPsARMLPC24XX
 *
 * @brief Console configuration.
 */

/*
 * Copyright (c) 2008-2014 embedded brains GmbH.  All rights reserved.
 *
 *  embedded brains GmbH
 *  Dornierstr. 4
 *  82178 Puchheim
 *  Germany
 *  <rtems@embedded-brains.de>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#include <rtems/console.h>

#include <libchip/ns16550.h>

#include <bsp.h>
#include <bsp/lpc24xx.h>
#include <bsp/irq.h>
#include <bsp/io.h>
#include <bsp/console-termios.h>

static uint8_t lpc24xx_uart_get_register(uintptr_t addr, uint8_t i)
{
  volatile uint32_t *reg = (volatile uint32_t *) addr;

  return (uint8_t) reg [i];
}

static void lpc24xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val)
{
  volatile uint32_t *reg = (volatile uint32_t *) addr;

  reg [i] = val;
}

#ifdef LPC24XX_CONFIG_CONSOLE
static ns16550_context lpc24xx_uart_context_0 = {
  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"),
  .get_reg = lpc24xx_uart_get_register,
  .set_reg = lpc24xx_uart_set_register,
  .port = UART0_BASE_ADDR,
  .irq = LPC24XX_IRQ_UART_0,
  .clock = LPC24XX_PCLK,
  .initial_baud = LPC24XX_UART_BAUD,
  .has_fractional_divider_register = true
};
#endif

#ifdef LPC24XX_CONFIG_UART_1
static ns16550_context lpc24xx_uart_context_1 = {
  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
  .get_reg = lpc24xx_uart_get_register,
  .set_reg = lpc24xx_uart_set_register,
  .port = UART1_BASE_ADDR,
  .irq = LPC24XX_IRQ_UART_1,
  .clock = LPC24XX_PCLK,
  .initial_baud = LPC24XX_UART_BAUD,
  .has_fractional_divider_register = true
};
#endif

#ifdef LPC24XX_CONFIG_UART_2
static ns16550_context lpc24xx_uart_context_2 = {
  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"),
  .get_reg = lpc24xx_uart_get_register,
  .set_reg = lpc24xx_uart_set_register,
  .port = UART2_BASE_ADDR,
  .irq = LPC24XX_IRQ_UART_2,
  .clock = LPC24XX_PCLK,
  .initial_baud = LPC24XX_UART_BAUD,
  .has_fractional_divider_register = true
};
#endif

#ifdef LPC24XX_CONFIG_UART_3
static ns16550_context lpc24xx_uart_context_3 = {
  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"),
  .get_reg = lpc24xx_uart_get_register,
  .set_reg = lpc24xx_uart_set_register,
  .port = UART3_BASE_ADDR,
  .irq = LPC24XX_IRQ_UART_3,
  .clock = LPC24XX_PCLK,
  .initial_baud = LPC24XX_UART_BAUD,
  .has_fractional_divider_register = true
};
#endif

const console_device console_device_table[] = {
  #ifdef LPC24XX_CONFIG_CONSOLE
    {
      .device_file = "/dev/ttyS0",
      .probe = console_device_probe_default,
      .handler = &ns16550_handler_interrupt,
      .context = &lpc24xx_uart_context_0.base
    },
  #endif
  #ifdef LPC24XX_CONFIG_UART_1
    {
      .device_file = "/dev/ttyS1",
      .probe = lpc24xx_uart_probe_1,
      .handler = &ns16550_handler_interrupt,
      .context = &lpc24xx_uart_context_1.base
    },
  #endif
  #ifdef LPC24XX_CONFIG_UART_2
    {
      .device_file = "/dev/ttyS2",
      .probe = lpc24xx_uart_probe_2,
      .handler = &ns16550_handler_interrupt,
      .context = &lpc24xx_uart_context_2.base
    },
  #endif
  #ifdef LPC24XX_CONFIG_UART_3
    {
      .device_file = "/dev/ttyS3",
      .probe = lpc24xx_uart_probe_3,
      .handler = &ns16550_handler_interrupt,
      .context = &lpc24xx_uart_context_3.base
    },
  #endif
};

const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);