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sc223a.c
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sc223a.c
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/*
* sc223a.c
*
* Copyright (C) 2012 Ingenic Semiconductor Co., Ltd.
*
* 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.
*/
#define DEBUG
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/proc_fs.h>
#include <soc/gpio.h>
#include <tx-isp-common.h>
#include <sensor-common.h>
#include <txx-funcs.h>
#define SC223A_CHIP_ID_H (0xcb)
#define SC223A_CHIP_ID_L (0x3e)
#define SC223A_REG_END 0xffff
#define SC223A_REG_DELAY 0xfffe
#define SC223A_SUPPORT_30FPS_SCLK (81000000)
#define SENSOR_OUTPUT_MAX_FPS 30
#define SENSOR_OUTPUT_MIN_FPS 3
#define SENSOR_VERSION "H20210915a"
static int reset_gpio = GPIO_PA(18);
module_param(reset_gpio, int, S_IRUGO);
MODULE_PARM_DESC(reset_gpio, "Reset GPIO NUM");
static int pwdn_gpio = -1;
module_param(pwdn_gpio, int, S_IRUGO);
MODULE_PARM_DESC(pwdn_gpio, "Power down GPIO NUM");
static int data_interface = TX_SENSOR_DATA_INTERFACE_MIPI;
module_param(data_interface, int, S_IRUGO);
MODULE_PARM_DESC(data_interface, "Sensor Date interface");
static int shvflip = 0;
module_param(shvflip, int, S_IRUGO);
MODULE_PARM_DESC(shvflip, "Sensor HV Flip Enable interface");
struct regval_list {
uint16_t reg_num;
unsigned char value;
};
/*
* the part of driver maybe modify about different sensor and different board.
*/
struct again_lut {
unsigned int value;
unsigned int gain;
};
struct again_lut sc223a_again_lut[] = {
{0x80, 0},
{0x84, 2909},
{0x88, 5731},
{0x8c, 8472},
{0x90, 11136},
{0x94, 13726},
{0x98, 16247},
{0x9c, 18703},
{0xa0, 21097},
{0xa4, 23432},
{0xa8, 25710},
{0xac, 27935},
{0xb0, 30108},
{0xb4, 32233},
{0xb8, 34311},
{0xbc, 36344},
{0xc0, 38335},
{0xc4, 40285},
{0xc8, 42195},
{0xcc, 44067},
{0xd0, 45903},
{0xd4, 47704},
{0xd8, 49471},
{0xdc, 51206},
{0xe0, 52910},
{0xe4, 54583},
{0x4080, 56097},
{0x4084, 59006},
{0x4088, 61829},
{0x408c, 64569},
{0x4090, 67233},
{0x4094, 69823},
{0x4098, 72345},
{0x409c, 74801},
{0x40a0, 77194},
{0x40a4, 79529},
{0x40a8, 81807},
{0x40ac, 84032},
{0x40b0, 86206},
{0x40b4, 88330},
{0x40b8, 90408},
{0x40bc, 92442},
{0x40c0, 94432},
{0x40c4, 96382},
{0x40c8, 98292},
{0x40cc, 100164},
{0x40d0, 102000},
{0x40d4, 103801},
{0x40d8, 105568},
{0x40dc, 107303},
{0x40e0, 109007},
{0x40e4, 110680},
{0x40e8, 112325},
{0x40ec, 113941},
{0x40f0, 115530},
{0x40f4, 117093},
{0x40f8, 118630},
{0x40fc, 120143},
{0x4880, 121632},
{0x4884, 124541},
{0x4888, 127364},
{0x488c, 130104},
{0x4890, 132768},
{0x4894, 135358},
{0x4898, 137880},
{0x489c, 140336},
{0x48a0, 142729},
{0x48a4, 145064},
{0x48a8, 147342},
{0x48ac, 149567},
{0x48b0, 151741},
{0x48b4, 153865},
{0x48b8, 155943},
{0x48bc, 157977},
{0x48c0, 159967},
{0x48c4, 161917},
{0x48c8, 163827},
{0x48cc, 165699},
{0x48d0, 167535},
{0x48d4, 169336},
{0x48d8, 171103},
{0x48dc, 172838},
{0x48e0, 174542},
{0x48e4, 176215},
{0x48e8, 177860},
{0x48ec, 179476},
{0x48f0, 181065},
{0x48f4, 182628},
{0x48f8, 184165},
{0x48fc, 185678},
{0x4980, 187167},
{0x4984, 190076},
{0x4988, 192899},
{0x498c, 195639},
{0x4990, 198303},
{0x4994, 200893},
{0x4998, 203415},
{0x499c, 205871},
{0x49a0, 208264},
{0x49a4, 210599},
{0x49a8, 212877},
{0x49ac, 215102},
{0x49b0, 217276},
{0x49b4, 219400},
{0x49b8, 221478},
{0x49bc, 223512},
{0x49c0, 225502},
{0x49c4, 227452},
{0x49c8, 229362},
{0x49cc, 231234},
{0x49d0, 233070},
{0x49d4, 234871},
{0x49d8, 236638},
{0x49dc, 238373},
{0x49e0, 240077},
{0x49e4, 241750},
{0x49e8, 243395},
{0x49ec, 245011},
{0x49f0, 246600},
{0x49f4, 248163},
{0x49f8, 249700},
{0x49fc, 251213},
{0x4b80, 252702},
{0x4b84, 255611},
{0x4b88, 258434},
{0x4b8c, 261174},
{0x4b90, 263838},
{0x4b94, 266428},
{0x4b98, 268950},
{0x4b9c, 271406},
{0x4ba0, 273799},
{0x4ba4, 276134},
{0x4ba8, 278412},
{0x4bac, 280637},
{0x4bb0, 282811},
{0x4bb4, 284935},
{0x4bb8, 287013},
{0x4bbc, 289047},
{0x4bc0, 291037},
{0x4bc4, 292987},
{0x4bc8, 294897},
{0x4bcc, 296769},
{0x4bd0, 298605},
{0x4bd4, 300406},
{0x4bd8, 302173},
{0x4bdc, 303908},
{0x4be0, 305612},
{0x4be4, 307285},
{0x4be8, 308930},
{0x4bec, 310546},
{0x4bf0, 312135},
{0x4bf4, 313698},
{0x4bf8, 315235},
{0x4bfc, 316748},
{0x4f80, 318237},
{0x4f84, 321146},
{0x4f88, 323969},
{0x4f8c, 326709},
{0x4f90, 329373},
{0x4f94, 331963},
{0x4f98, 334485},
{0x4f9c, 336941},
{0x4fa0, 339334},
{0x4fa4, 341669},
{0x4fa8, 343947},
{0x4fac, 346172},
{0x4fb0, 348346},
{0x4fb4, 350470},
{0x4fb8, 352548},
{0x4fbc, 354582},
{0x4fc0, 356572},
{0x4fc4, 358522},
{0x4fc8, 360432},
{0x4fcc, 362304},
{0x4fd0, 364140},
{0x4fd4, 365941},
{0x4fd8, 367708},
{0x4fdc, 369443},
{0x4fe0, 371147},
{0x4fe4, 372820},
{0x4fe8, 374465},
{0x4fec, 376081},
{0x4ff0, 377670},
{0x4ff4, 379233},
{0x4ff8, 380770},
{0x4ffc, 382283},
{0x5f80, 383772},
{0x5f84, 386681},
{0x5f88, 389504},
{0x5f8c, 392244},
{0x5f90, 394908},
{0x5f94, 397498},
{0x5f98, 400020},
{0x5f9c, 402476},
{0x5fa0, 404869},
{0x5fa4, 407204},
{0x5fa8, 409482},
{0x5fac, 411707},
{0x5fb0, 413881},
{0x5fb4, 416005},
{0x5fb8, 418083},
{0x5fbc, 420117},
{0x5fc0, 422107},
{0x5fc4, 424057},
{0x5fc8, 425967},
{0x5fcc, 427839},
{0x5fd0, 429675},
{0x5fd4, 431476},
{0x5fd8, 433243},
{0x5fdc, 434978},
{0x5fe0, 436682},
{0x5fe4, 438355},
{0x5fe8, 440000},
{0x5fec, 441616},
{0x5ff0, 443205},
{0x5ff4, 444768},
{0x5ff8, 446305},
{0x5ffc, 447818},
};
struct tx_isp_sensor_attribute sc223a_attr;
unsigned int sc223a_alloc_again(unsigned int isp_gain, unsigned char shift, unsigned int *sensor_again)
{
struct again_lut *lut = sc223a_again_lut;
while(lut->gain <= sc223a_attr.max_again) {
if(isp_gain == 0) {
*sensor_again = lut[0].value;
return 0;
} else if(isp_gain < lut->gain) {
*sensor_again = (lut - 1)->value;
return (lut - 1)->gain;
} else {
if((lut->gain == sc223a_attr.max_again) && (isp_gain >= lut->gain)) {
*sensor_again = lut->value;
return lut->gain;
}
}
lut++;
}
return isp_gain;
}
unsigned int sc223a_alloc_dgain(unsigned int isp_gain, unsigned char shift, unsigned int *sensor_dgain)
{
return 0;
}
struct tx_isp_sensor_attribute sc223a_attr={
.name = "sc223a",
.chip_id = 0xcb3e,
.cbus_type = TX_SENSOR_CONTROL_INTERFACE_I2C,
.cbus_mask = V4L2_SBUS_MASK_SAMPLE_8BITS | V4L2_SBUS_MASK_ADDR_16BITS,
.cbus_device = 0x30,
.dbus_type = TX_SENSOR_DATA_INTERFACE_MIPI,
.mipi = {
.mode = SENSOR_MIPI_OTHER_MODE,
.clk = 405,
.lans = 2,
.settle_time_apative_en = 1,
.mipi_sc.sensor_csi_fmt = TX_SENSOR_RAW10,//RAW10
.mipi_sc.hcrop_diff_en = 0,
.mipi_sc.mipi_vcomp_en = 0,
.mipi_sc.mipi_hcomp_en = 0,
.mipi_sc.line_sync_mode = 0,
.mipi_sc.work_start_flag = 0,
.image_twidth = 1920,
.image_theight = 1080,
.mipi_sc.mipi_crop_start0x = 0,
.mipi_sc.mipi_crop_start0y = 0,
.mipi_sc.mipi_crop_start1x = 0,
.mipi_sc.mipi_crop_start1y = 0,
.mipi_sc.mipi_crop_start2x = 0,
.mipi_sc.mipi_crop_start2y = 0,
.mipi_sc.mipi_crop_start3x = 0,
.mipi_sc.mipi_crop_start3y = 0,
.mipi_sc.data_type_en = 0,
.mipi_sc.data_type_value = RAW10,
.mipi_sc.del_start = 0,
.mipi_sc.sensor_frame_mode = TX_SENSOR_DEFAULT_FRAME_MODE,
.mipi_sc.sensor_fid_mode = 0,
.mipi_sc.sensor_mode = TX_SENSOR_DEFAULT_MODE,
},
.data_type = TX_SENSOR_DATA_TYPE_LINEAR,
.max_again = 447818,
.max_dgain = 0,
.min_integration_time = 1,
.min_integration_time_native = 1,
.max_integration_time_native = 1440 - 5,
.integration_time_limit = 1440 - 5,
.total_width = 2250,
.total_height = 1440,
.max_integration_time = 1440 - 5,
.one_line_expr_in_us = 28,
.integration_time_apply_delay = 2,
.again_apply_delay = 2,
.dgain_apply_delay = 0,
.sensor_ctrl.alloc_again = sc223a_alloc_again,
.sensor_ctrl.alloc_dgain = sc223a_alloc_dgain,
};
static struct regval_list sc223a_init_regs_1920_1080_30fps_mipi[] = {
/*cleaned 0x08 sc223a 24Minput 2lane 405Mbps 1080p@30fps*/
{0x0100, 0x00},
{0x36e9, 0x80},
{0x37f9, 0x80},
{0x301f, 0x08},
{0x30b8, 0x44},
{0x320c, 0x08},
{0x320d, 0xca},
{0x320e, 0x05},
{0x320f, 0xa0},/*vts 25fps*/
{0x3253, 0x0c},
{0x3281, 0x80},
{0x3301, 0x06},
{0x3302, 0x12},
{0x3306, 0x84},
{0x3309, 0x60},
{0x330a, 0x00},
{0x330b, 0xe0},
{0x330d, 0x20},
{0x3314, 0x15},
{0x331e, 0x41},
{0x331f, 0x51},
{0x3320, 0x0a},
{0x3326, 0x0e},
{0x3333, 0x10},
{0x3334, 0x40},
{0x335d, 0x60},
{0x335e, 0x06},
{0x335f, 0x08},
{0x3364, 0x56},
{0x337a, 0x06},
{0x337b, 0x0e},
{0x337c, 0x02},
{0x337d, 0x0a},
{0x3390, 0x03},
{0x3391, 0x0f},
{0x3392, 0x1f},
{0x3393, 0x06},
{0x3394, 0x06},
{0x3395, 0x06},
{0x3396, 0x48},
{0x3397, 0x4b},
{0x3398, 0x5f},
{0x3399, 0x06},
{0x339a, 0x06},
{0x339b, 0x9c},
{0x339c, 0x9c},
{0x33a2, 0x04},
{0x33a3, 0x0a},
{0x33ad, 0x1c},
{0x33af, 0x40},
{0x33b1, 0x80},
{0x33b3, 0x20},
{0x349f, 0x02},
{0x34a6, 0x48},
{0x34a7, 0x4b},
{0x34a8, 0x20},
{0x34a9, 0x20},
{0x34f8, 0x5f},
{0x34f9, 0x10},
{0x3616, 0xac},
{0x3630, 0xc0},
{0x3631, 0x86},
{0x3632, 0x26},
{0x3633, 0x32},
{0x3637, 0x29},
{0x363a, 0x84},
{0x363b, 0x04},
{0x363c, 0x08},
{0x3641, 0x3a},
{0x364f, 0x39},
{0x3670, 0xce},
{0x3674, 0xc0},
{0x3675, 0xc0},
{0x3676, 0xc0},
{0x3677, 0x86},
{0x3678, 0x8b},
{0x3679, 0x8c},
{0x367c, 0x4b},
{0x367d, 0x5f},
{0x367e, 0x4b},
{0x367f, 0x5f},
{0x3690, 0x62},
{0x3691, 0x63},
{0x3692, 0x63},
{0x3699, 0x86},
{0x369a, 0x92},
{0x369b, 0xa4},
{0x369c, 0x48},
{0x369d, 0x4b},
{0x36a2, 0x4b},
{0x36a3, 0x4f},
{0x36ea, 0x09},
{0x36eb, 0x0c},
{0x36ec, 0x1c},
{0x36ed, 0x28},
{0x370f, 0x01},
{0x3721, 0x6c},
{0x3722, 0x09},
{0x3724, 0x41},
{0x3725, 0xc4},
{0x37b0, 0x09},
{0x37b1, 0x09},
{0x37b2, 0x09},
{0x37b3, 0x48},
{0x37b4, 0x5f},
{0x37fa, 0x09},
{0x37fb, 0x32},
{0x37fc, 0x10},
{0x37fd, 0x37},
{0x3900, 0x19},
{0x3901, 0x02},
{0x3905, 0xb8},
{0x391b, 0x82},
{0x391c, 0x00},
{0x391f, 0x04},
{0x3933, 0x81},
{0x3934, 0x4c},
{0x393f, 0xff},
{0x3940, 0x73},
{0x3942, 0x01},
{0x3943, 0x4d},
{0x3946, 0x20},
{0x3957, 0x86},
{0x3e01, 0x95},
{0x3e02, 0x60},
{0x3e28, 0xc4},
{0x440e, 0x02},
{0x4501, 0xc0},
{0x4509, 0x14},
{0x450d, 0x11},
{0x4518, 0x00},
{0x451b, 0x0a},
{0x4819, 0x07},
{0x481b, 0x04},
{0x481d, 0x0e},
{0x481f, 0x03},
{0x4821, 0x09},
{0x4823, 0x04},
{0x4825, 0x03},
{0x4827, 0x03},
{0x4829, 0x06},
{0x501c, 0x00},
{0x501d, 0x60},
{0x501e, 0x00},
{0x501f, 0x40},
{0x5799, 0x06},
{0x5ae0, 0xfe},
{0x5ae1, 0x40},
{0x5ae2, 0x38},
{0x5ae3, 0x30},
{0x5ae4, 0x28},
{0x5ae5, 0x38},
{0x5ae6, 0x30},
{0x5ae7, 0x28},
{0x5ae8, 0x3f},
{0x5ae9, 0x34},
{0x5aea, 0x2c},
{0x5aeb, 0x3f},
{0x5aec, 0x34},
{0x5aed, 0x2c},
{0x5aee, 0xfe},
{0x5aef, 0x40},
{0x5af4, 0x38},
{0x5af5, 0x30},
{0x5af6, 0x28},
{0x5af7, 0x38},
{0x5af8, 0x30},
{0x5af9, 0x28},
{0x5afa, 0x3f},
{0x5afb, 0x34},
{0x5afc, 0x2c},
{0x5afd, 0x3f},
{0x5afe, 0x34},
{0x5aff, 0x2c},
{0x36e9, 0x53},
{0x37f9, 0x53},
{0x0100, 0x01},
{SC223A_REG_END, 0x00}, /* END MARKER */
};
static struct tx_isp_sensor_win_setting sc223a_win_sizes[] = {
{
.width = 1920,
.height = 1080,
.fps = 25 << 16 | 1,
.mbus_code = V4L2_MBUS_FMT_SBGGR10_1X10,
.colorspace = V4L2_COLORSPACE_SRGB,
.regs = sc223a_init_regs_1920_1080_30fps_mipi,
},
};
struct tx_isp_sensor_win_setting *wsize = &sc223a_win_sizes[0];
static struct regval_list sc223a_stream_on_mipi[] = {
{0x0100, 0x01},
{SC223A_REG_END, 0x00}, /* END MARKER */
};
static struct regval_list sc223a_stream_off_mipi[] = {
{0x0100, 0x00},
{SC223A_REG_END, 0x00}, /* END MARKER */
};
int sc223a_read(struct tx_isp_subdev *sd, uint16_t reg, unsigned char *value)
{
struct i2c_client *client = tx_isp_get_subdevdata(sd);
unsigned char buf[2] = {reg >> 8, reg & 0xff};
struct i2c_msg msg[2] = {
[0] = {
.addr = client->addr,
.flags = 0,
.len = 2,
.buf = buf,
},
[1] = {
.addr = client->addr,
.flags = I2C_M_RD,
.len = 1,
.buf = value,
}
};
int ret;
ret = private_i2c_transfer(client->adapter, msg, 2);
if (ret > 0)
ret = 0;
return ret;
}
int sc223a_write(struct tx_isp_subdev *sd, uint16_t reg, unsigned char value)
{
struct i2c_client *client = tx_isp_get_subdevdata(sd);
uint8_t buf[3] = {(reg >> 8) & 0xff, reg & 0xff, value};
struct i2c_msg msg = {
.addr = client->addr,
.flags = 0,
.len = 3,
.buf = buf,
};
int ret;
ret = private_i2c_transfer(client->adapter, &msg, 1);
if (ret > 0)
ret = 0;
return ret;
}
static int sc223a_read_array(struct tx_isp_subdev *sd, struct regval_list *vals)
{
int ret;
unsigned char val;
while (vals->reg_num != SC223A_REG_END) {
if (vals->reg_num == SC223A_REG_DELAY) {
private_msleep(vals->value);
} else {
ret = sc223a_read(sd, vals->reg_num, &val);
if (ret < 0)
return ret;
}
vals++;
}
return 0;
}
static int sc223a_write_array(struct tx_isp_subdev *sd, struct regval_list *vals)
{
int ret;
while (vals->reg_num != SC223A_REG_END) {
if (vals->reg_num == SC223A_REG_DELAY) {
private_msleep(vals->value);
} else {
ret = sc223a_write(sd, vals->reg_num, vals->value);
if (ret < 0)
return ret;
}
vals++;
}
return 0;
}
static int sc223a_reset(struct tx_isp_subdev *sd, int val)
{
return 0;
}
static int sc223a_detect(struct tx_isp_subdev *sd, unsigned int *ident)
{
int ret;
unsigned char v;
ret = sc223a_read(sd, 0x3107, &v);
ISP_WARNING("-----%s: %d ret = %d, v = 0x%02x\n", __func__, __LINE__, ret,v);
if (ret < 0)
return ret;
if (v != SC223A_CHIP_ID_H)
return -ENODEV;
*ident = v;
ret = sc223a_read(sd, 0x3108, &v);
ISP_WARNING("-----%s: %d ret = %d, v = 0x%02x\n", __func__, __LINE__, ret,v);
if (ret < 0)
return ret;
if (v != SC223A_CHIP_ID_L)
return -ENODEV;
*ident = (*ident << 8) | v;
return 0;
}
static int sc223a_set_expo(struct tx_isp_subdev *sd, int value)
{
int ret = 0;
int it = (value & 0xffff) * 2;
int again = (value & 0xffff0000) >> 16;
/*set integration time*/
ret += sc223a_write(sd, 0x3e00, (unsigned char)((it >> 12) & 0xf));
ret += sc223a_write(sd, 0x3e01, (unsigned char)((it >> 4) & 0xff));
ret += sc223a_write(sd, 0x3e02, (unsigned char)((it & 0x0f) << 4));
/*set analog gain*/
ret = sc223a_write(sd, 0x3e07, (unsigned char)(again & 0xff));
ret += sc223a_write(sd, 0x3e09, (unsigned char)(((again >> 8) & 0xff)));
if (ret < 0)
return ret;
return 0;
}
#if 0
static int sc223a_set_integration_time(struct tx_isp_subdev *sd, int value)
{
int ret = 0;
value *= 2;
ret += sc223a_write(sd, 0x3e00, (unsigned char)((value >> 12) & 0xf));
ret += sc223a_write(sd, 0x3e01, (unsigned char)((value >> 4) & 0xff));
ret += sc223a_write(sd, 0x3e02, (unsigned char)((value & 0x0f) << 4));
if (ret < 0)
return ret;
return 0;
}
static int sc223a_set_analog_gain(struct tx_isp_subdev *sd, int value)
{
int ret = 0;
ret += sc223a_write(sd, 0x3e09, (unsigned char)(value & 0xff));
ret += sc223a_write(sd, 0x3e08, (unsigned char)(((value >> 8) & 0xff)));
if (ret < 0)
return ret;
gain_val = value;
return 0;
}
#endif
static int sc223a_set_logic(struct tx_isp_subdev *sd, int value)
{
return 0;
}
static int sc223a_set_digital_gain(struct tx_isp_subdev *sd, int value)
{
return 0;
}
static int sc223a_get_black_pedestal(struct tx_isp_subdev *sd, int value)
{
return 0;
}
static int sc223a_init(struct tx_isp_subdev *sd, int enable)
{
struct tx_isp_sensor *sensor = sd_to_sensor_device(sd);
int ret = 0;
if(!enable)
return ISP_SUCCESS;
sensor->video.mbus.width = wsize->width;
sensor->video.mbus.height = wsize->height;
sensor->video.mbus.code = wsize->mbus_code;
sensor->video.mbus.field = V4L2_FIELD_NONE;
sensor->video.mbus.colorspace = wsize->colorspace;
sensor->video.fps = wsize->fps;
ret = sc223a_write_array(sd, wsize->regs);
if (ret)
return ret;
ret = tx_isp_call_subdev_notify(sd, TX_ISP_EVENT_SYNC_SENSOR_ATTR, &sensor->video);
sensor->priv = wsize;
return 0;
}
static int sc223a_s_stream(struct tx_isp_subdev *sd, int enable)
{
int ret = 0;
if (enable) {
if (data_interface == TX_SENSOR_DATA_INTERFACE_MIPI){
ret = sc223a_write_array(sd, sc223a_stream_on_mipi);
} else {
ISP_ERROR("Don't support this Sensor Data interface\n");
}
ISP_WARNING("sc223a stream on\n");
}
else {
if (data_interface == TX_SENSOR_DATA_INTERFACE_MIPI){
ret = sc223a_write_array(sd, sc223a_stream_off_mipi);
}else{
ISP_ERROR("Don't support this Sensor Data interface\n");
}
ISP_WARNING("sc223a stream off\n");
}
return ret;
}
static int sc223a_set_fps(struct tx_isp_subdev *sd, int fps)
{
struct tx_isp_sensor *sensor = sd_to_sensor_device(sd);
unsigned int sclk = 0;
unsigned int hts = 0;
unsigned int vts = 0;
unsigned char tmp = 0;
unsigned int newformat = 0; //the format is 24.8
int ret = 0;
newformat = (((fps >> 16) / (fps & 0xffff)) << 8) + ((((fps >> 16) % (fps & 0xffff)) << 8) / (fps & 0xffff));
if(newformat > (SENSOR_OUTPUT_MAX_FPS << 8) || newformat < (SENSOR_OUTPUT_MIN_FPS << 8)) {
ISP_ERROR("warn: fps(%d) no in range\n", fps);
return -1;
}
sclk = SC223A_SUPPORT_30FPS_SCLK;
ret = sc223a_read(sd, 0x320c, &tmp);
hts = tmp;
ret += sc223a_read(sd, 0x320d, &tmp);
if (0 != ret) {
ISP_ERROR("err: sc223a read err\n");
return ret;
}
hts = (hts << 8) + tmp;
vts = sclk * (fps & 0xffff) / hts / ((fps & 0xffff0000) >> 16);
ret += sc223a_write(sd, 0x320f, (unsigned char)(vts & 0xff));
ret += sc223a_write(sd, 0x320e, (unsigned char)(vts >> 8));
if (0 != ret) {
ISP_ERROR("err: sc223a_write err\n");
return ret;
}
sensor->video.fps = fps;
sensor->video.attr->max_integration_time_native = vts - 5;
sensor->video.attr->integration_time_limit = vts - 5;
sensor->video.attr->total_height = vts;
sensor->video.attr->max_integration_time = vts - 5;
ret = tx_isp_call_subdev_notify(sd, TX_ISP_EVENT_SYNC_SENSOR_ATTR, &sensor->video);
return ret;
}
static int sc223a_set_mode(struct tx_isp_subdev *sd, int value)
{
struct tx_isp_sensor *sensor = sd_to_sensor_device(sd);
int ret = ISP_SUCCESS;
if(wsize){
sensor->video.mbus.width = wsize->width;
sensor->video.mbus.height = wsize->height;
sensor->video.mbus.code = wsize->mbus_code;
sensor->video.mbus.field = V4L2_FIELD_NONE;
sensor->video.mbus.colorspace = wsize->colorspace;
sensor->video.fps = wsize->fps;
ret = tx_isp_call_subdev_notify(sd, TX_ISP_EVENT_SYNC_SENSOR_ATTR, &sensor->video);
}
return ret;
}
static int sc223a_g_chip_ident(struct tx_isp_subdev *sd,
struct tx_isp_chip_ident *chip)
{
struct i2c_client *client = tx_isp_get_subdevdata(sd);
unsigned int ident = 0;
int ret = ISP_SUCCESS;
if(reset_gpio != -1){
ret = private_gpio_request(reset_gpio,"sc223a_reset");
if(!ret){
private_gpio_direction_output(reset_gpio, 1);
private_msleep(15);
private_gpio_direction_output(reset_gpio, 0);
private_msleep(20);
private_gpio_direction_output(reset_gpio, 1);
private_msleep(20);
}else{
ISP_ERROR("gpio requrest fail %d\n",reset_gpio);
}
}
if(pwdn_gpio != -1){
ret = private_gpio_request(pwdn_gpio,"sc223a_pwdn");
if(!ret){
private_gpio_direction_output(pwdn_gpio, 1);
private_msleep(10);
private_gpio_direction_output(pwdn_gpio, 0);
private_msleep(10);
}else{
ISP_ERROR("gpio requrest fail %d\n",pwdn_gpio);
}
}
ret = sc223a_detect(sd, &ident);
if (ret) {
ISP_ERROR("chip found @ 0x%x (%s) is not an sc223a chip.\n",
client->addr, client->adapter->name);
return ret;
}
ISP_WARNING("sc223a chip found @ 0x%02x (%s)\n", client->addr, client->adapter->name);
ISP_WARNING("sensor driver version %s\n",SENSOR_VERSION);
if(chip){
memcpy(chip->name, "sc223a", sizeof("sc223a"));
chip->ident = ident;
chip->revision = SENSOR_VERSION;
}
return 0;
}
static int sc223a_set_vflip(struct tx_isp_subdev *sd, int enable)
{
struct tx_isp_sensor *sensor = sd_to_sensor_device(sd);
int ret = -1;
unsigned char val = 0x0;
ret += sc223a_read(sd, 0x3221, &val);
if(enable & 0x2)
val |= 0x60;
else
val &= 0x9f;
ret += sc223a_write(sd, 0x3221, val);
if(!ret)
ret = tx_isp_call_subdev_notify(sd, TX_ISP_EVENT_SYNC_SENSOR_ATTR, &sensor->video);
return ret;
}
static int sc223a_sensor_ops_ioctl(struct tx_isp_subdev *sd, unsigned int cmd, void *arg)
{
long ret = 0;
if(IS_ERR_OR_NULL(sd)){
ISP_ERROR("[%d]The pointer is invalid!\n", __LINE__);
return -EINVAL;
}
switch(cmd){
case TX_ISP_EVENT_SENSOR_EXPO:
if(arg)
ret = sc223a_set_expo(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_INT_TIME:
// if(arg)
// ret = sc223a_set_integration_time(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_AGAIN:
// if(arg)
// ret = sc223a_set_analog_gain(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_DGAIN:
if(arg)
ret = sc223a_set_digital_gain(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_BLACK_LEVEL:
if(arg)
ret = sc223a_get_black_pedestal(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_RESIZE:
if(arg)
ret = sc223a_set_mode(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_PREPARE_CHANGE:
if (data_interface == TX_SENSOR_DATA_INTERFACE_MIPI){
ret = sc223a_write_array(sd, sc223a_stream_off_mipi);
}else{
ISP_ERROR("Don't support this Sensor Data interface\n");
}
break;
case TX_ISP_EVENT_SENSOR_FINISH_CHANGE:
if (data_interface == TX_SENSOR_DATA_INTERFACE_MIPI){
ret = sc223a_write_array(sd, sc223a_stream_on_mipi);
}else{
ISP_ERROR("Don't support this Sensor Data interface\n");
ret = -1;
}
break;
case TX_ISP_EVENT_SENSOR_FPS:
if(arg)
ret = sc223a_set_fps(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_VFLIP:
if(arg)
ret = sc223a_set_vflip(sd, *(int*)arg);
break;
case TX_ISP_EVENT_SENSOR_LOGIC:
if(arg)
ret = sc223a_set_logic(sd, *(int*)arg);
default:
break;
}
return ret;
}
static int sc223a_g_register(struct tx_isp_subdev *sd, struct tx_isp_dbg_register *reg)
{
unsigned char val = 0;
int len = 0;
int ret = 0;
len = strlen(sd->chip.name);
if(len && strncmp(sd->chip.name, reg->name, len)){
return -EINVAL;