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/*
* source/ekernel/drivers/drv/source/disp2/soc/platform_resource/platform_resource.c
*
* Copyright (c) 2007-2020 Allwinnertech Co., Ltd.
* Author: zhengxiaobin <[email protected]>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <hal_clk.h>
#include "platform_resource.h"
extern u32 g_irq_no[];
extern u32 g_reg_base[];
extern struct clk_info_t g_clk_no[];
extern u32 g_irq_no_len;
extern u32 g_reg_base_len;
extern u32 g_clk_no_len;
s32 plat_get_reg_base(u32 index, u32 *data)
{
if (index >= g_reg_base_len || !data)
return -1;
*data = g_reg_base[index];
return 0;
}
s32 plat_get_irq_no(u32 index, u32 *data)
{
if (index >= g_irq_no_len || !data)
return -1;
*data = g_irq_no[index];
return 0;
}
s32 plat_get_clk(char *name, hal_clk_id_t *data)
{
static int init_get_clk = 0;
u32 i = 0;
*data = (hal_clk_id_t)-1;
if (!init_get_clk) {
for (i = 0; i < g_clk_no_len; ++i) {
g_clk_no[i].clk = hal_clock_get(HAL_SUNXI_CCU, g_clk_no[i].clk_id);
g_clk_no[i].clk_parent = hal_clock_get(HAL_SUNXI_CCU, g_clk_no[i].clk_parent_id);
g_clk_no[i].rst = hal_reset_control_get(HAL_SUNXI_RESET, g_clk_no[i].rst_id);
}
init_get_clk = 1;
}
for (i = 0; i < g_clk_no_len; ++i) {
if(!strcmp(name, g_clk_no[i].name))
break;
}
if (i >= g_clk_no_len || !data)
return -1;
*data = g_clk_no[i].clk_id;
return 0;
}
s32 plat_get_clk_parent(hal_clk_id_t clk, hal_clk_id_t *parent)
{
u32 i = 0;
*parent = (hal_clk_id_t)-1;
for (i = 0; i < g_clk_no_len; ++i) {
if (g_clk_no[i].clk_id == clk) {
*parent = g_clk_no[i].clk_parent_id;
break;
}
}
return (i == g_clk_no_len) ? -1 : 0;
}
s32 plat_get_clk_from_id(hal_clk_id_t clk_id, hal_clk_t *clk, struct reset_control **rst)
{
u32 i = 0;
*rst = NULL;
for (i = 0; i < g_clk_no_len; ++i) {
if (g_clk_no[i].clk_id == clk_id) {
*clk = g_clk_no[i].clk;
*rst = g_clk_no[i].rst;
break;
} else if (g_clk_no[i].clk_parent_id == clk_id) {
*clk = g_clk_no[i].clk_parent;
}
}
return (i == g_clk_no_len) ? -1 : 0;
}
s32 plat_get_rst_by_name(char *name, struct reset_control **rst)
{
int i;
for (i = 0; i < g_clk_no_len; ++i) {
if(!strcmp(name, g_clk_no[i].name)) {
*rst = g_clk_no[i].rst;
return 0;
}
}
return -1;
}
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