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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/sprd_mm.h>
#include <video/sprd_isp.h>
#include <asm/cacheflush.h>
#include <linux/delay.h>
#include "isp_reg.h"
#include "isp_drv.h"
#define ISP_LSC_TIME_OUT_MAX 500
#define ISP_LSC_BUF0 0
#define ISP_LSC_BUF1 1
#if 0
#define CLIP(input,top, bottom) {if (input>top) input = top; if (input < bottom) input = bottom;}
#define TABLE_LEN_128 128
#define TABLE_LEN_96 96
typedef struct lnc_bicubic_weight_t_64_tag
{
int16_t w0;
int16_t w1;
int16_t w2;
int16_t w3;
}LNC_BICUBIC_WEIGHT_TABLE_T;
////////10bit precision//////////////////////////////////////
static LNC_BICUBIC_WEIGHT_TABLE_T lnc_bicubic_weight_t_96_simple[] =
{
{0, 1024, 0},
{-5,1024, 6},
{-10,1023, 12},
{-15,1022, 18},
{-20,1020, 25},
{-24,1017, 32},
{-28,1014, 40},
{-32,1011, 48},
{-36,1007, 56},
{-39,1003, 65},
{-43,998, 74},
{-46,993, 83},
{-49,987, 93},
{-52,981, 103},
{-54,974, 113},
{-57,967, 124},
{-59,960, 135},
{-61,952, 146},
{-63,944, 158},
{-65,936, 170},
{-67,927, 182},
{-68,918, 194},
{-70,908, 206},
{-71,898, 219},
{-72,888, 232},
{-73,878, 245},
{-74,867, 258},
{-74,856, 272},
{-75,844, 285},
{-75,833, 299},
{-76,821, 313},
{-76,809, 327},
{-76,796, 341},
{-76,784, 356},
{-76,771, 370},
{-75,758, 384},
{-75,745, 399},
{-75,732, 414},
{-74,718, 428},
{-73,704, 443},
{-73,691, 458},
{-72,677, 473},
{-71,663, 487},
{-70,648, 502},
{-69,634, 517},
{-68,620, 532},
{-67,605, 547},
{-65,591, 561},
{-64,576, 576},
};
static LNC_BICUBIC_WEIGHT_TABLE_T lnc_bicubic_weight_t_128_simple[] =
{
{0, 1024, 0},
{-4, 1024, 4},
{-8, 1023, 8},
{-11, 1023, 13},
{-15, 1022, 18},
{-18, 1020, 23},
{-22, 1019, 28},
{-25, 1017, 34},
{-28, 1014, 40},
{-31, 1012, 46},
{-34, 1009, 52},
{-37, 1006, 58},
{-39, 1003, 65},
{-42, 999, 72},
{-44, 995, 78},
{-47, 991, 86},
{-49, 987, 93},
{-51, 982, 101},
{-53, 978, 108},
{-55, 973, 116},
{-57, 967, 124},
{-59, 962, 132},
{-60, 956, 141},
{-62, 950, 149},
{-63, 944, 158},
{-65, 938, 167},
{-66, 931, 176},
{-67, 925, 185},
{-68, 918, 194},
{-69, 910, 203},
{-70, 903, 213},
{-71, 896, 222},
{-72, 888, 232},
{-73, 880, 242},
{-73, 872, 252},
{-74, 864, 262},
{-74, 856, 272},
{-75, 847, 282},
{-75, 839, 292},
{-75, 830, 303},
{-76, 821, 313},
{-76, 812, 324},
{-76, 803, 334},
{-76, 793, 345},
{-76, 784, 356},
{-76, 774, 366},
{-76, 765, 377},
{-75, 755, 388},
{-75, 745, 399},
{-75, 735, 410},
{-74, 725, 421},
{-74, 715, 432},
{-73, 704, 443},
{-73, 694, 454},
{-72, 684, 465},
{-72, 673, 476},
{-71, 663, 487},
{-70, 652, 498},
{-69, 641, 510},
{-69, 631, 521},
{-68, 620, 532},
{-67, 609, 543},
{-66, 598, 554},
{-65, 587, 565},
{-64, 576, 576},
};
static uint16_t ISP_Cubic1D(uint16_t a, uint16_t b, uint16_t c, uint16_t d, uint16_t u, uint16_t box)
{
int32_t out_value;
uint16_t out_value_uint16_t;
int16_t w0, w1, w2, w3;
uint32_t out_value_tmp;
int16_t sub_tmp0;
int16_t sub_tmp1;
int16_t sub_tmp2;
if(box ==96)
{
//use simple table
if ( u < (TABLE_LEN_96/2 + 1) )
{
w0 = lnc_bicubic_weight_t_96_simple[u].w0 ;
w1 = lnc_bicubic_weight_t_96_simple[u].w1 ;
w2 = lnc_bicubic_weight_t_96_simple[u].w2 ;
sub_tmp0 = a-d;
sub_tmp1 = b-d;
sub_tmp2 = c-d;
out_value_tmp = ((uint32_t)d)<<10;
out_value = out_value_tmp + sub_tmp0 * w0 + sub_tmp1 * w1 + sub_tmp2 * w2;
}
else
{
w1 = lnc_bicubic_weight_t_96_simple[TABLE_LEN_96 - u].w2 ;
w2 = lnc_bicubic_weight_t_96_simple[TABLE_LEN_96 - u].w1 ;
w3 = lnc_bicubic_weight_t_96_simple[TABLE_LEN_96 - u].w0 ;
sub_tmp0 = b-a;
sub_tmp1 = c-a;
sub_tmp2 = d-a;
out_value_tmp = ((uint32_t)a)<<10;
out_value = out_value_tmp + sub_tmp0 * w1 + sub_tmp1 * w2 + sub_tmp2 * w3;
}
}
else
{
u = u * (TABLE_LEN_128 / box);
//use simple table
if ( u < (TABLE_LEN_128/2 + 1) )
{
w0 = lnc_bicubic_weight_t_128_simple[u].w0 ;
w1 = lnc_bicubic_weight_t_128_simple[u].w1 ;
w2 = lnc_bicubic_weight_t_128_simple[u].w2 ;
sub_tmp0 = a-d;
sub_tmp1 = b-d;
sub_tmp2 = c-d;
out_value_tmp = ((uint32_t)d)<<10;
out_value = out_value_tmp + sub_tmp0 * w0 + sub_tmp1 * w1 + sub_tmp2 * w2;
}
else
{
w1 = lnc_bicubic_weight_t_128_simple[TABLE_LEN_128 - u].w2 ;
w2 = lnc_bicubic_weight_t_128_simple[TABLE_LEN_128 - u].w1 ;
w3 = lnc_bicubic_weight_t_128_simple[TABLE_LEN_128 - u].w0 ;
sub_tmp0 = b-a;
sub_tmp1 = c-a;
sub_tmp2 = d-a;
out_value_tmp = ((uint32_t)a)<<10;
out_value = out_value_tmp + sub_tmp0 * w1 + sub_tmp1 * w2 + sub_tmp2 * w3;
}
}
//CLIP(out_value, 4095*1024*2, 1024*1024); // for LSC gain, 1024 = 1.0, 4095 = 4.0 ; 4095*2 is for boundary extension.
CLIP(out_value, 16383*1024, 1024*1024); // for LSC gain, 1024 = 1.0, 16383 = 16.0 ; 16383 is for boundary extension, 14 bit parameter is used.
out_value_uint16_t = (uint16_t)((out_value + 512) >> 10);
return out_value_uint16_t;
}
static int32_t ISP_GenerateQValues(uint32_t word_endian, uint32_t q_val[][5], unsigned long param_address, uint16_t grid_w, uint16_t grid_num, uint16_t u)
{
uint8_t i;
uint16_t A0, B0, C0, D0;
uint16_t A1, B1, C1, D1;
uint32_t *addr = (uint32_t *)param_address;
if (param_address == 0x0 || grid_num == 0x0) {
printk("ISP_GenerateQValues param_address error addr=0x%lx grid_num=%d \n",param_address, grid_num);
return -1;
}
//printk("ISP_GenerateQValues:addr=%x grid_w=%d grid_num=%d u=%d \n",param_address,grid_w,grid_num,u);
#if 0
for (i = 0; i < 5; i++) {
A0 = (uint16_t)*(addr + i * 2) & 0xFFFF;
B0 = (uint16_t)*(addr + i * 2 + grid_w * 2) & 0xFFFF;
C0 = (uint16_t)*(addr + i * 2 + grid_w * 2 * 2) & 0xFFFF;
D0 = (uint16_t)*(addr + i * 2 + grid_w * 2 * 3) & 0xFFFF;
A1 = (uint16_t)(*(addr + i * 2) >> 16);
B1 = (uint16_t)(*(addr + i * 2 + grid_w * 2) >> 16);
C1 = (uint16_t)(*(addr + i * 2 + grid_w * 2 * 2) >> 16);
D1 = (uint16_t)(*(addr + i * 2 + grid_w * 2 * 3) >> 16);
q_val[0][i] = ISP_Cubic1D(A0, B0, C0, D0, u, grid_num);
q_val[1][i] = ISP_Cubic1D(A1, B1, C1, D1, u, grid_num);
}
#endif
#if 1
for (i = 0; i < 5; i++) {
if (1 == word_endian) { // ABCD = 1 word
A0 = *(addr + i * 2) >> 16; // AB
B0 = *(addr + i * 2 + grid_w * 2) >> 16; // AB
C0 = *(addr + i * 2 + grid_w * 2 * 2) >> 16; // AB
D0 = *(addr + i * 2 + grid_w * 2 * 3) >> 16; // AB
A1 = *(addr + i * 2) & 0xFFFF; // CD
B1 = *(addr + i * 2 + grid_w * 2) & 0xFFFF; // CD
C1 = *(addr + i * 2 + grid_w * 2 * 2) & 0xFFFF;// CD
D1 = *(addr + i * 2 + grid_w * 2 * 3) & 0xFFFF;// CD
} else if (2 == word_endian) { // CDAB = 1 word
A0 = *(addr + i * 2) & 0xFFFF;
B0 = *(addr + i * 2 + grid_w * 2) & 0xFFFF;
C0 = *(addr + i * 2 + grid_w * 2 * 2) & 0xFFFF;
D0 = *(addr + i * 2 + grid_w * 2 * 3) & 0xFFFF;
A1 = *(addr + i * 2) >> 16;
B1 = *(addr + i * 2 + grid_w * 2) >> 16;
C1 = *(addr + i * 2 + grid_w * 2 * 2) >> 16;
D1 = *(addr + i * 2 + grid_w * 2 * 3) >> 16;
} else if (0 == word_endian) { // DCBA = 1 word
A0 = ((*(addr + i * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2) >> 8) & 0x000000FF);
B0 = ((*(addr + i * 2 + grid_w * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2) >> 8) & 0x000000FF);
C0 = ((*(addr + i * 2 + grid_w * 2 * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2 * 2) >> 8) & 0x000000FF);
D0 = ((*(addr + i * 2 + grid_w * 2 * 3) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2 * 3) >> 8) & 0x000000FF);
A1 = ((*(addr + i * 2) << 8) & 0xFF000000) | ((*(addr + i * 2) >> 8) & 0x00FF0000);
B1 = ((*(addr + i * 2 + grid_w * 2) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2) >> 8) & 0x00FF0000);
C1 = ((*(addr + i * 2 + grid_w * 2 * 2) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2 * 2) >> 8) & 0x00FF0000);
D1 = ((*(addr + i * 2 + grid_w * 2 * 3) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2 * 3) >> 8) & 0x00FF0000);
} else if (3 == word_endian) { // BADC = 1 word
A0 = ((*(addr + i * 2) << 8) & 0xFF000000) | ((*(addr + i * 2) >> 8) & 0x00FF0000);
B0 = ((*(addr + i * 2 + grid_w * 2) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2) >> 8) & 0x00FF0000);
C0 = ((*(addr + i * 2 + grid_w * 2 * 2) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2 * 2) >> 8) & 0x00FF0000);
D0 = ((*(addr + i * 2 + grid_w * 2 * 3) << 8) & 0xFF000000) | ((*(addr + i * 2 + grid_w * 2 * 3) >> 8) & 0x00FF0000);
A1 = ((*(addr + i * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2) >> 8) & 0x000000FF);
B1 = ((*(addr + i * 2 + grid_w * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2) >> 8) & 0x000000FF);
C1 = ((*(addr + i * 2 + grid_w * 2 * 2) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2 * 2) >> 8) & 0x000000FF);
D1 = ((*(addr + i * 2 + grid_w * 2 * 3) << 8) & 0x0000FF00) | ((*(addr + i * 2 + grid_w * 2 * 3) >> 8) & 0x000000FF);
}
//printk("ISP_GenerateQValues: A0=%x B0=%x C0=%x D0=%x A1=%x B1=%x C1=%x D1=%x \n",A0,B0,C0,D0,A1,B1,C1,D1);
q_val[0][i] = ISP_Cubic1D(A0, B0, C0, D0, u, grid_num);
q_val[1][i] = ISP_Cubic1D(A1, B1, C1, D1, u, grid_num);
//printk("ISP_GenerateQValues: q_val[0][%d] = %d q_val[1][%d] = %d \n",i,q_val[0][i],i ,q_val[1][i] );
}
#endif
return 0;
}
#endif
static int32_t isp_k_2d_lsc_param_load(struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t time_out_cnt = 0;
uint32_t addr = 0, reg_value = 0;
if (ISP_LSC_BUF0 == isp_private->lsc_load_buf_id) {
isp_private->lsc_load_buf_id = ISP_LSC_BUF1;
} else {
isp_private->lsc_load_buf_id = ISP_LSC_BUF0;
}
REG_MWR(ISP_LENS_LOAD_BUF, BIT_0, isp_private->lsc_load_buf_id);
REG_WR(ISP_LENS_PARAM_ADDR, isp_private->lsc_buf_phys_addr);
REG_OWR(ISP_LENS_LOAD_EB, BIT_0);
REG_MWR(ISP_LENS_PARAM, BIT_1, isp_private->lsc_load_buf_id << 1);
isp_private->lsc_update_buf_id = isp_private->lsc_load_buf_id;
reg_value = REG_RD(ISP_INT_RAW0);
while ((0x00 == (reg_value & ISP_INT_EVT_LSC_LOAD))
&& (time_out_cnt < ISP_LSC_TIME_OUT_MAX)) {
udelay(1);
reg_value = REG_RD(ISP_INT_RAW0);
time_out_cnt++;
}
if (time_out_cnt >= ISP_LSC_TIME_OUT_MAX) {
ret = -1;
printk("isp_k_2d_lsc_param_load: lsc load time out error.\n");
}
REG_OWR(ISP_INT_CLR0, ISP_INT_EVT_LSC_LOAD);
return ret;
}
static int32_t isp_k_2d_lsc_block(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t val = 0;
uint32_t i = 0;
//uint32_t qvalue_addr = ISP_LEN_BUF0_CH0;
struct isp_dev_2d_lsc_info lens_info;
memset(&lens_info, 0x00, sizeof(lens_info));
ret = copy_from_user((void *)&lens_info, param->property_param, sizeof(lens_info));
if (0 != ret) {
printk("isp_k_2d_lsc_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
val = ((lens_info.offset_y & 0xFFFF) << 16) | (lens_info.offset_x & 0xFFFF);
REG_WR(ISP_LENS_SLICE_POS, val);
val = lens_info.grid_pitch & 0x1FF;
REG_MWR(ISP_LENS_GRID_PITCH, 0x1FF, val);
val = (lens_info.grid_width & 0xFF) << 16;
REG_MWR(ISP_LENS_GRID_PITCH, 0xFF0000, val);
val = ((lens_info.grid_num_t & 0xFFFF) << 16) | ((lens_info.grid_y_num & 0xFF) << 8) | (lens_info.grid_x_num & 0xFF);
REG_WR(ISP_LENS_GRID_SIZE, val);
REG_MWR(ISP_LENS_LOAD_BUF, BIT_1, lens_info.load_chn_sel << 1);
REG_MWR(ISP_LENS_MISC, (BIT_1 | BIT_0), (lens_info.endian & 0x03));
val = ((lens_info.slice_size.height & 0xFFFF) << 16) | (lens_info.slice_size.width & 0xFFFF);
REG_WR(ISP_LENS_SLICE_SIZE, val);
val = ((lens_info.relative_y & 0xFF) << 8) | (lens_info.relative_x & 0xFF);
REG_WR(ISP_LENS_INIT_COOR, val);
/*ret = isp_k_2d_lsc_param_load(&src_buf, isp_private, &qvalue_addr);
REG_WR(ISP_LENS_PARAM_ADDR, qvalue_addr);
printk("isp_k_2d_lsc_block:qvalue_addr=%x grid_x_num=%d grid_width=%d relative_y=%d \n",qvalue_addr,(lens_info.grid_x_num & 0xFF),(lens_info.grid_width & 0xFF), (lens_info.relative_y & 0xFF)>>1);
ISP_GenerateQValues(1, lens_info.q_value, qvalue_addr, ((uint16_t)lens_info.grid_x_num & 0xFF) + 2,(lens_info.grid_width & 0xFF), (lens_info.relative_y & 0xFF)>>1);
*/
ret = isp_k_2d_lsc_param_load(isp_private);
if (0 != ret) {
printk("isp_k_2d_lsc_block: lsc load para error, ret=0x%x\n", (uint32_t)ret);
REG_MWR(ISP_LENS_PARAM, BIT_0, ISP_BYPASS_EB);
return -1;
}
for (i = 0; i < 5; i++) {
val = ((lens_info.q_value[0][i] & 0x3FFF) << 16) | (lens_info.q_value[1][i] & 0x3FFF);
REG_WR(ISP_LENS_Q0_VALUE + i * 4, val);
}
REG_MWR(ISP_LENS_PARAM, BIT_0, lens_info.bypass);
return ret;
}
static int32_t isp_k_2d_lsc_param_update(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
REG_MWR(ISP_LENS_PARAM, BIT_1, isp_private->lsc_update_buf_id << 1);
return ret;
}
static int32_t isp_k_2d_lsc_pos(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_img_offset offset = {0, 0};
ret = copy_from_user((void *)&offset, param->property_param, sizeof(offset));
if (0 != ret) {
printk("isp_k_lens_pos: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
val = ((offset.y & 0xFFFF) << 16) | (offset.x & 0xFFFF);
REG_WR(ISP_LENS_SLICE_POS, val);
return ret;
}
static int32_t isp_k_2d_lsc_grid_size(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
uint32_t grid_total = 0;
struct isp_img_size size = {0, 0};
ret = copy_from_user((void *)&size, param->property_param, sizeof(size));
if (0 != ret) {
printk("isp_k_2d_lsc_grid_size: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
grid_total = (size.height + 2) * (size.width + 2);
val = ((grid_total & 0xFFFF) << 16) | ((size.height & 0xFF) << 8) | (size.width & 0xFF);
REG_WR(ISP_LENS_GRID_SIZE, val);
return ret;
}
static int32_t isp_k_2d_lsc_slice_size(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_img_size size = {0, 0};
ret = copy_from_user((void *)&size, param->property_param, sizeof(size));
if (0 != ret) {
printk("isp_k_2d_lsc_slice_size: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
val = ((size.height & 0xFFFF) << 16) | (size.width & 0xFFFF);
REG_WR(ISP_LENS_SLICE_SIZE, val);
return ret;
}
static int32_t isp_k_2d_lsc_transaddr(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
struct isp_lsc_addr lsc_addr;
ret = copy_from_user((void *)&lsc_addr, param->property_param, sizeof(struct isp_lsc_addr));
isp_private->lsc_buf_phys_addr = lsc_addr.phys_addr;
printk("lsc phys addr 0x%x,\n",isp_private->lsc_buf_phys_addr);
return ret;
}
int32_t isp_k_cfg_2d_lsc(struct isp_io_param *param, struct isp_k_private *isp_private)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_2d_lsc: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_2d_lsc: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_2D_LSC_BLOCK:
ret = isp_k_2d_lsc_block(param, isp_private);
break;
case ISP_PRO_2D_LSC_PARAM_UPDATE:
ret = isp_k_2d_lsc_param_update(param, isp_private);
break;
case ISP_PRO_2D_LSC_POS:
ret = isp_k_2d_lsc_pos(param);
break;
case ISP_PRO_2D_LSC_GRID_SIZE:
ret = isp_k_2d_lsc_grid_size(param);
break;
case ISP_PRO_2D_LSC_SLICE_SIZE:
ret = isp_k_2d_lsc_slice_size(param);
break;
case ISP_PRO_2D_LSC_TRANSADDR:
ret = isp_k_2d_lsc_transaddr(param, isp_private);
break;
default:
printk("isp_k_cfg_2d_lsc: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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