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/*
* tcbd_hal.c
*
* Author: <linux@telechips.com>
* Description: Telechips broadcast driver
*
* Copyright (c) Telechips, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <bsp.h>
#include "tcpal_os.h"
#include "tcpal_debug.h"
#include "tcbd_hal.h"
#include "tcbd_feature.h"
#define __USE_DXB0_IRQ__
/*#define __USE_DXB1_IRQ__*/
#ifdef __USE_TC_CPU__
static PGPIO RGPIO;
static PPIC RPIC;
#endif
void tchal_init(void)
{
#ifdef __USE_TC_CPU__
tcbd_debug(DEBUG_TCHAL, "\n");
RGPIO = (PGPIO)tcc_p2v(HwGPIO_BASE);
RPIC = (PPIC)tcc_p2v(HwPIC_BASE);
#endif
tchal_power_down_device();
}
void tchal_reset_device(void)
{
#ifdef __USE_TC_CPU__
tcbd_debug(DEBUG_TCHAL, "\n");
#if defined(__CSPI_ONLY__)
/* select peripheral mode as SPI */
#if defined(__USE_DXB1_IRQ__)
BITCLR(RGPIO->GPAFN1, Hw16 - Hw12); /* DXB1_IRQ Set GPIO mode*/
BITSET(RGPIO->GPAEN, Hw11); /* DXB1_IRQ output mode*/
BITCLR(RGPIO->GPADAT, Hw11); /* DXB1_IRQ clear*/
#elif defined(__USE_DXB0_IRQ__)
BITCLR(RGPIO->GPDFN1, Hw8 - Hw4); /* DXB0_IRQ Set GPIO mode*/
BITSET(RGPIO->GPDEN, Hw9); /* DXB0_IRQ output mode*/
BITCLR(RGPIO->GPDDAT, Hw9); /* DXB0_IRQ clear*/
#endif /*__USE_DXB1_IRQ__*/
#endif /*__CSPI_ONLY__*/
/* reset */
#if defined(__CSPI_ONLY__)
BITCLR(RGPIO->GPEFN1, Hw16 - Hw12); /* DXB1_RST# Set GPIO mode */
BITSET(RGPIO->GPEEN, Hw11);/* DXB1_RST# Set GPIO Output mode*/
BITCLR(RGPIO->GPEDAT, Hw11);/* DXB1_RST# Clear */
tcpal_msleep(10);
BITSET(RGPIO->GPEDAT, Hw11);/* DXB1_RST# Set*/
#elif defined(__I2C_STS__)
BITCLR(RGPIO->GPDFN1, Hw4 - Hw0); /* DXB0_RST# Set GPIO mode */
BITSET(RGPIO->GPDEN, Hw8); /* DXB0_RST# Set GPIO Output mode*/
BITCLR(RGPIO->GPDDAT, Hw8); /* DXB0_RST# Clear */
tcpal_msleep(10);
BITSET(RGPIO->GPDDAT, Hw8); /* DXB0_RST# Set*/
#else /*__CSPI_ONLY__ || __I2C_STS__*/
#error "you must define __CSPI_ONLY__ or __I2C_STS__"
#endif /*!__CSPI_ONLY__ && !__I2C_STS__*/
#endif
}
void tchal_power_on_device(void)
{
#ifdef __USE_TC_CPU__
tcbd_debug(DEBUG_TCHAL, "\n");
BITCLR(RGPIO->GPEFN0, Hw16 - Hw12);/* DXB1_PD Set GPIO mode*/
BITSET(RGPIO->GPEEN, Hw3);/* DXB1_PD Set GPIO Output mode*/
BITCLR(RGPIO->GPEDAT, Hw3);/* DXB1_PD Clear*/
tcpal_msleep(10);
BITSET(RGPIO->GPEDAT, Hw3);/* DXB1_PD Set*/
tcpal_msleep(10);
tchal_reset_device();
tchal_irq_setup();
#endif
}
void tchal_power_down_device(void)
{
#ifdef __USE_TC_CPU__
tcbd_debug(DEBUG_TCHAL, "\n");
BITCLR(RGPIO->GPEFN0, Hw16 - Hw12);
BITSET(RGPIO->GPEEN, Hw3);/* DXB1_PD Set GPIO Output mode*/
BITCLR(RGPIO->GPEDAT, Hw3);/* DXB1_PD Clear*/
#if defined(__CSPI_ONLY__)
BITCLR(RGPIO->GPEDAT, Hw11);/* DXB1_RST# Clear*/
#elif defined(__I2C_STS__)
BITCLR(RGPIO->GPDDAT, Hw8);/* DXB0_RST# Clear */
#else
#error "you must define __CSPI_ONLY__ or __I2C_STS__"
#endif
#endif
}
void tchal_irq_setup(void)
{
#ifdef __USE_TC_CPU__
#if defined(__USE_DXB1_IRQ__)
BITCLR(RGPIO->GPAFN1, Hw16 - Hw12);/* DXB1_IRQ Set GPIO mode*/
BITCLR(RGPIO->GPAEN, Hw11);/* DXB1_IRQ input mode*/
BITCSET(RGPIO->EINTSEL0, Hw32 - Hw24, 11<<24); /*GPIO_A11*/
#elif defined(__USE_DXB0_IRQ__)
BITCLR(RGPIO->GPDFN1, Hw8 - Hw4); /* DXB0_IRQ Set GPIO mode*/
BITCLR(RGPIO->GPDEN, Hw9); /* DXB0_IRQ input mode*/
BITCSET(RGPIO->EINTSEL0, Hw32 - Hw24, 20<<24); /*GPIO_D9*/
#endif /*__USE_DXB1_IRQ__*/
BITSET(RPIC->POL0, 1<<IRQ_TC317X);
#endif
}
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