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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* 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 <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <linux/sprd_mm.h>
#include <video/sprd_isp.h>
#include "isp_reg.h"
#include "isp_drv.h"
#define ISP_FRGB_GAMC_BUF0 0
#define ISP_FRGB_GAMC_BUF1 1
static int32_t isp_k_pingpang_frgb_gamc(struct coordinate_xy *nodes,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t i, j;
uint32_t val = 0;
unsigned long r_buf_addr;
unsigned long g_buf_addr;
unsigned long b_buf_addr;
struct coordinate_xy *p_nodes = NULL;
if (!nodes) {
ret = -1;
printk("isp_k_pingpang_frgb_gamc: node is null error .\n");
return ret;
}
p_nodes = nodes;
if (ISP_FRGB_GAMC_BUF0 == isp_private->full_gamma_buf_id) {
r_buf_addr = ISP_FGAMMA_R_BUF1_CH0;
g_buf_addr = ISP_FGAMMA_G_BUF1_CH0;
b_buf_addr = ISP_FGAMMA_B_BUF1_CH0;
isp_private->full_gamma_buf_id = ISP_FRGB_GAMC_BUF1;
} else {
r_buf_addr = ISP_FGAMMA_R_BUF0_CH0;
g_buf_addr = ISP_FGAMMA_G_BUF0_CH0;
b_buf_addr = ISP_FGAMMA_B_BUF0_CH0;
isp_private->full_gamma_buf_id = ISP_FRGB_GAMC_BUF0;
}
for(i = 0,j = 0;i < ISP_PINGPANG_FRGB_GAMC_NUM;i++,j+=4) {
REG_WR(r_buf_addr + j, p_nodes[i].node_y & 0xff);
REG_WR(g_buf_addr + j, p_nodes[i].node_y & 0xff);
REG_WR(b_buf_addr + j, p_nodes[i].node_y & 0xff);
}
val = ((isp_private->full_gamma_buf_id & 0x1 ) << 1) | ((isp_private->full_gamma_buf_id & 0x1) << 2) | ((isp_private->full_gamma_buf_id & 0x1 ) << 3);
REG_MWR(ISP_GAMMA_PARAM, 0x0000000E, val);
return ret;
}
static int32_t isp_k_gamma_block(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t bypass;
struct isp_dev_gamma_info_v1 *param_p= (struct isp_dev_gamma_info_v1 *)param->property_param;
struct coordinate_xy *nodes = NULL;
nodes = (struct coordinate_xy *)isp_private->full_gamma_buf_addr;
if (!nodes) {
ret = -1;
printk("isp_k_gamma_block: alloc memory error.\n");
return -1;
}
ret = copy_from_user((void *)&bypass, (void *)¶m_p->bypass, sizeof(uint32_t));
if (0 != ret) {
printk("isp_k_gamma_block: copy bypass error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
ret = copy_from_user((void *)nodes, (void *)param_p->nodes, ISP_FRGB_GAMMA_BUF_SIZE);
if (0 != ret) {
printk("isp_k_gamma_block: copy nodes error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
ret = isp_k_pingpang_frgb_gamc(nodes, isp_private);
if (0 != ret) {
printk("isp_k_gamma_block: pingpang error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_GAMMA_PARAM, BIT_0, bypass);
return ret;
}
int32_t isp_k_cfg_gamma(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_gamma: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_gamma: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_GAMMA_BLOCK:
ret = isp_k_gamma_block(param, isp_private);
break;
default:
printk("isp_k_cfg_gamma: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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