1ad85094bSMauro Carvalho Chehab /* 2ad85094bSMauro Carvalho Chehab * Support for GalaxyCore GC0310 VGA camera sensor. 3ad85094bSMauro Carvalho Chehab * 4ad85094bSMauro Carvalho Chehab * Copyright (c) 2013 Intel Corporation. All Rights Reserved. 5ad85094bSMauro Carvalho Chehab * 6ad85094bSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or 7ad85094bSMauro Carvalho Chehab * modify it under the terms of the GNU General Public License version 8ad85094bSMauro Carvalho Chehab * 2 as published by the Free Software Foundation. 9ad85094bSMauro Carvalho Chehab * 10ad85094bSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 11ad85094bSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 12ad85094bSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13ad85094bSMauro Carvalho Chehab * GNU General Public License for more details. 14ad85094bSMauro Carvalho Chehab * 15ad85094bSMauro Carvalho Chehab */ 16ad85094bSMauro Carvalho Chehab 17ad85094bSMauro Carvalho Chehab #include <linux/module.h> 18ad85094bSMauro Carvalho Chehab #include <linux/types.h> 19ad85094bSMauro Carvalho Chehab #include <linux/kernel.h> 20ad85094bSMauro Carvalho Chehab #include <linux/mm.h> 21ad85094bSMauro Carvalho Chehab #include <linux/string.h> 22ad85094bSMauro Carvalho Chehab #include <linux/errno.h> 23ad85094bSMauro Carvalho Chehab #include <linux/init.h> 24ad85094bSMauro Carvalho Chehab #include <linux/kmod.h> 25ad85094bSMauro Carvalho Chehab #include <linux/device.h> 26ad85094bSMauro Carvalho Chehab #include <linux/delay.h> 27ad85094bSMauro Carvalho Chehab #include <linux/slab.h> 28ad85094bSMauro Carvalho Chehab #include <linux/i2c.h> 29ad85094bSMauro Carvalho Chehab #include <linux/moduleparam.h> 30ad85094bSMauro Carvalho Chehab #include <media/v4l2-device.h> 31ad85094bSMauro Carvalho Chehab #include <linux/io.h> 32ad85094bSMauro Carvalho Chehab #include "../include/linux/atomisp_gmin_platform.h" 33ad85094bSMauro Carvalho Chehab 34ad85094bSMauro Carvalho Chehab #include "gc0310.h" 35ad85094bSMauro Carvalho Chehab 36ad85094bSMauro Carvalho Chehab /* i2c read/write stuff */ 37ad85094bSMauro Carvalho Chehab static int gc0310_read_reg(struct i2c_client *client, 38ad85094bSMauro Carvalho Chehab u16 data_length, u8 reg, u8 *val) 39ad85094bSMauro Carvalho Chehab { 40ad85094bSMauro Carvalho Chehab int err; 41ad85094bSMauro Carvalho Chehab struct i2c_msg msg[2]; 42ad85094bSMauro Carvalho Chehab unsigned char data[1]; 43ad85094bSMauro Carvalho Chehab 44ad85094bSMauro Carvalho Chehab if (!client->adapter) { 45ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s error, no client->adapter\n", 46ad85094bSMauro Carvalho Chehab __func__); 47ad85094bSMauro Carvalho Chehab return -ENODEV; 48ad85094bSMauro Carvalho Chehab } 49ad85094bSMauro Carvalho Chehab 50ad85094bSMauro Carvalho Chehab if (data_length != GC0310_8BIT) { 51ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s error, invalid data length\n", 52ad85094bSMauro Carvalho Chehab __func__); 53ad85094bSMauro Carvalho Chehab return -EINVAL; 54ad85094bSMauro Carvalho Chehab } 55ad85094bSMauro Carvalho Chehab 56ad85094bSMauro Carvalho Chehab memset(msg, 0, sizeof(msg)); 57ad85094bSMauro Carvalho Chehab 58ad85094bSMauro Carvalho Chehab msg[0].addr = client->addr; 59ad85094bSMauro Carvalho Chehab msg[0].flags = 0; 60ad85094bSMauro Carvalho Chehab msg[0].len = I2C_MSG_LENGTH; 61ad85094bSMauro Carvalho Chehab msg[0].buf = data; 62ad85094bSMauro Carvalho Chehab 63ad85094bSMauro Carvalho Chehab /* high byte goes out first */ 64ad85094bSMauro Carvalho Chehab data[0] = (u8)(reg & 0xff); 65ad85094bSMauro Carvalho Chehab 66ad85094bSMauro Carvalho Chehab msg[1].addr = client->addr; 67ad85094bSMauro Carvalho Chehab msg[1].len = data_length; 68ad85094bSMauro Carvalho Chehab msg[1].flags = I2C_M_RD; 69ad85094bSMauro Carvalho Chehab msg[1].buf = data; 70ad85094bSMauro Carvalho Chehab 71ad85094bSMauro Carvalho Chehab err = i2c_transfer(client->adapter, msg, 2); 72ad85094bSMauro Carvalho Chehab if (err != 2) { 73ad85094bSMauro Carvalho Chehab if (err >= 0) 74ad85094bSMauro Carvalho Chehab err = -EIO; 75ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 76ad85094bSMauro Carvalho Chehab "read from offset 0x%x error %d", reg, err); 77ad85094bSMauro Carvalho Chehab return err; 78ad85094bSMauro Carvalho Chehab } 79ad85094bSMauro Carvalho Chehab 80ad85094bSMauro Carvalho Chehab *val = 0; 81ad85094bSMauro Carvalho Chehab /* high byte comes first */ 82ad85094bSMauro Carvalho Chehab if (data_length == GC0310_8BIT) 83ad85094bSMauro Carvalho Chehab *val = (u8)data[0]; 84ad85094bSMauro Carvalho Chehab 85ad85094bSMauro Carvalho Chehab return 0; 86ad85094bSMauro Carvalho Chehab } 87ad85094bSMauro Carvalho Chehab 88ad85094bSMauro Carvalho Chehab static int gc0310_i2c_write(struct i2c_client *client, u16 len, u8 *data) 89ad85094bSMauro Carvalho Chehab { 90ad85094bSMauro Carvalho Chehab struct i2c_msg msg; 91ad85094bSMauro Carvalho Chehab const int num_msg = 1; 92ad85094bSMauro Carvalho Chehab int ret; 93ad85094bSMauro Carvalho Chehab 94ad85094bSMauro Carvalho Chehab msg.addr = client->addr; 95ad85094bSMauro Carvalho Chehab msg.flags = 0; 96ad85094bSMauro Carvalho Chehab msg.len = len; 97ad85094bSMauro Carvalho Chehab msg.buf = data; 98ad85094bSMauro Carvalho Chehab ret = i2c_transfer(client->adapter, &msg, 1); 99ad85094bSMauro Carvalho Chehab 100ad85094bSMauro Carvalho Chehab return ret == num_msg ? 0 : -EIO; 101ad85094bSMauro Carvalho Chehab } 102ad85094bSMauro Carvalho Chehab 103ad85094bSMauro Carvalho Chehab static int gc0310_write_reg(struct i2c_client *client, u16 data_length, 104ad85094bSMauro Carvalho Chehab u8 reg, u8 val) 105ad85094bSMauro Carvalho Chehab { 106ad85094bSMauro Carvalho Chehab int ret; 107ad85094bSMauro Carvalho Chehab unsigned char data[2] = {0}; 108ad85094bSMauro Carvalho Chehab u8 *wreg = (u8 *)data; 109ad85094bSMauro Carvalho Chehab const u16 len = data_length + sizeof(u8); /* 8-bit address + data */ 110ad85094bSMauro Carvalho Chehab 111ad85094bSMauro Carvalho Chehab if (data_length != GC0310_8BIT) { 112ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 113ad85094bSMauro Carvalho Chehab "%s error, invalid data_length\n", __func__); 114ad85094bSMauro Carvalho Chehab return -EINVAL; 115ad85094bSMauro Carvalho Chehab } 116ad85094bSMauro Carvalho Chehab 117ad85094bSMauro Carvalho Chehab /* high byte goes out first */ 118ad85094bSMauro Carvalho Chehab *wreg = (u8)(reg & 0xff); 119ad85094bSMauro Carvalho Chehab 120ad85094bSMauro Carvalho Chehab if (data_length == GC0310_8BIT) 121ad85094bSMauro Carvalho Chehab data[1] = (u8)(val); 122ad85094bSMauro Carvalho Chehab 123ad85094bSMauro Carvalho Chehab ret = gc0310_i2c_write(client, len, data); 124ad85094bSMauro Carvalho Chehab if (ret) 125ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 126ad85094bSMauro Carvalho Chehab "write error: wrote 0x%x to offset 0x%x error %d", 127ad85094bSMauro Carvalho Chehab val, reg, ret); 128ad85094bSMauro Carvalho Chehab 129ad85094bSMauro Carvalho Chehab return ret; 130ad85094bSMauro Carvalho Chehab } 131ad85094bSMauro Carvalho Chehab 132ad85094bSMauro Carvalho Chehab /* 133ad85094bSMauro Carvalho Chehab * gc0310_write_reg_array - Initializes a list of GC0310 registers 134ad85094bSMauro Carvalho Chehab * @client: i2c driver client structure 135ad85094bSMauro Carvalho Chehab * @reglist: list of registers to be written 136ad85094bSMauro Carvalho Chehab * 137ad85094bSMauro Carvalho Chehab * This function initializes a list of registers. When consecutive addresses 138ad85094bSMauro Carvalho Chehab * are found in a row on the list, this function creates a buffer and sends 139ad85094bSMauro Carvalho Chehab * consecutive data in a single i2c_transfer(). 140ad85094bSMauro Carvalho Chehab * 141ad85094bSMauro Carvalho Chehab * __gc0310_flush_reg_array, __gc0310_buf_reg_array() and 142ad85094bSMauro Carvalho Chehab * __gc0310_write_reg_is_consecutive() are internal functions to 143ad85094bSMauro Carvalho Chehab * gc0310_write_reg_array_fast() and should be not used anywhere else. 144ad85094bSMauro Carvalho Chehab * 145ad85094bSMauro Carvalho Chehab */ 146ad85094bSMauro Carvalho Chehab 147ad85094bSMauro Carvalho Chehab static int __gc0310_flush_reg_array(struct i2c_client *client, 148ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl) 149ad85094bSMauro Carvalho Chehab { 150ad85094bSMauro Carvalho Chehab u16 size; 151ad85094bSMauro Carvalho Chehab 152ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 153ad85094bSMauro Carvalho Chehab return 0; 154ad85094bSMauro Carvalho Chehab 155ad85094bSMauro Carvalho Chehab size = sizeof(u8) + ctrl->index; /* 8-bit address + data */ 156ad85094bSMauro Carvalho Chehab ctrl->buffer.addr = (u8)(ctrl->buffer.addr); 157ad85094bSMauro Carvalho Chehab ctrl->index = 0; 158ad85094bSMauro Carvalho Chehab 159ad85094bSMauro Carvalho Chehab return gc0310_i2c_write(client, size, (u8 *)&ctrl->buffer); 160ad85094bSMauro Carvalho Chehab } 161ad85094bSMauro Carvalho Chehab 162ad85094bSMauro Carvalho Chehab static int __gc0310_buf_reg_array(struct i2c_client *client, 163ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl, 164ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next) 165ad85094bSMauro Carvalho Chehab { 166ad85094bSMauro Carvalho Chehab int size; 167ad85094bSMauro Carvalho Chehab 168ad85094bSMauro Carvalho Chehab switch (next->type) { 169ad85094bSMauro Carvalho Chehab case GC0310_8BIT: 170ad85094bSMauro Carvalho Chehab size = 1; 171ad85094bSMauro Carvalho Chehab ctrl->buffer.data[ctrl->index] = (u8)next->val; 172ad85094bSMauro Carvalho Chehab break; 173ad85094bSMauro Carvalho Chehab default: 174ad85094bSMauro Carvalho Chehab return -EINVAL; 175ad85094bSMauro Carvalho Chehab } 176ad85094bSMauro Carvalho Chehab 177ad85094bSMauro Carvalho Chehab /* When first item is added, we need to store its starting address */ 178ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 179ad85094bSMauro Carvalho Chehab ctrl->buffer.addr = next->reg; 180ad85094bSMauro Carvalho Chehab 181ad85094bSMauro Carvalho Chehab ctrl->index += size; 182ad85094bSMauro Carvalho Chehab 183ad85094bSMauro Carvalho Chehab /* 184ad85094bSMauro Carvalho Chehab * Buffer cannot guarantee free space for u32? Better flush it to avoid 185ad85094bSMauro Carvalho Chehab * possible lack of memory for next item. 186ad85094bSMauro Carvalho Chehab */ 187ad85094bSMauro Carvalho Chehab if (ctrl->index + sizeof(u8) >= GC0310_MAX_WRITE_BUF_SIZE) 188ad85094bSMauro Carvalho Chehab return __gc0310_flush_reg_array(client, ctrl); 189ad85094bSMauro Carvalho Chehab 190ad85094bSMauro Carvalho Chehab return 0; 191ad85094bSMauro Carvalho Chehab } 192ad85094bSMauro Carvalho Chehab 193ad85094bSMauro Carvalho Chehab static int __gc0310_write_reg_is_consecutive(struct i2c_client *client, 194ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl, 195ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next) 196ad85094bSMauro Carvalho Chehab { 197ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 198ad85094bSMauro Carvalho Chehab return 1; 199ad85094bSMauro Carvalho Chehab 200ad85094bSMauro Carvalho Chehab return ctrl->buffer.addr + ctrl->index == next->reg; 201ad85094bSMauro Carvalho Chehab } 202ad85094bSMauro Carvalho Chehab 203ad85094bSMauro Carvalho Chehab static int gc0310_write_reg_array(struct i2c_client *client, 204ad85094bSMauro Carvalho Chehab const struct gc0310_reg *reglist) 205ad85094bSMauro Carvalho Chehab { 206ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next = reglist; 207ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl ctrl; 208ad85094bSMauro Carvalho Chehab int err; 209ad85094bSMauro Carvalho Chehab 210ad85094bSMauro Carvalho Chehab ctrl.index = 0; 211ad85094bSMauro Carvalho Chehab for (; next->type != GC0310_TOK_TERM; next++) { 212ad85094bSMauro Carvalho Chehab switch (next->type & GC0310_TOK_MASK) { 213ad85094bSMauro Carvalho Chehab case GC0310_TOK_DELAY: 214ad85094bSMauro Carvalho Chehab err = __gc0310_flush_reg_array(client, &ctrl); 215ad85094bSMauro Carvalho Chehab if (err) 216ad85094bSMauro Carvalho Chehab return err; 217ad85094bSMauro Carvalho Chehab msleep(next->val); 218ad85094bSMauro Carvalho Chehab break; 219ad85094bSMauro Carvalho Chehab default: 220ad85094bSMauro Carvalho Chehab /* 221ad85094bSMauro Carvalho Chehab * If next address is not consecutive, data needs to be 222ad85094bSMauro Carvalho Chehab * flushed before proceed. 223ad85094bSMauro Carvalho Chehab */ 224ad85094bSMauro Carvalho Chehab if (!__gc0310_write_reg_is_consecutive(client, &ctrl, 225ad85094bSMauro Carvalho Chehab next)) { 226ad85094bSMauro Carvalho Chehab err = __gc0310_flush_reg_array(client, &ctrl); 227ad85094bSMauro Carvalho Chehab if (err) 228ad85094bSMauro Carvalho Chehab return err; 229ad85094bSMauro Carvalho Chehab } 230ad85094bSMauro Carvalho Chehab err = __gc0310_buf_reg_array(client, &ctrl, next); 231ad85094bSMauro Carvalho Chehab if (err) { 232ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s: write error, aborted\n", 233ad85094bSMauro Carvalho Chehab __func__); 234ad85094bSMauro Carvalho Chehab return err; 235ad85094bSMauro Carvalho Chehab } 236ad85094bSMauro Carvalho Chehab break; 237ad85094bSMauro Carvalho Chehab } 238ad85094bSMauro Carvalho Chehab } 239ad85094bSMauro Carvalho Chehab 240ad85094bSMauro Carvalho Chehab return __gc0310_flush_reg_array(client, &ctrl); 241ad85094bSMauro Carvalho Chehab } 242ad85094bSMauro Carvalho Chehab static int gc0310_g_focal(struct v4l2_subdev *sd, s32 *val) 243ad85094bSMauro Carvalho Chehab { 244ad85094bSMauro Carvalho Chehab *val = (GC0310_FOCAL_LENGTH_NUM << 16) | GC0310_FOCAL_LENGTH_DEM; 245ad85094bSMauro Carvalho Chehab return 0; 246ad85094bSMauro Carvalho Chehab } 247ad85094bSMauro Carvalho Chehab 248ad85094bSMauro Carvalho Chehab static int gc0310_g_fnumber(struct v4l2_subdev *sd, s32 *val) 249ad85094bSMauro Carvalho Chehab { 250ad85094bSMauro Carvalho Chehab /*const f number for imx*/ 251ad85094bSMauro Carvalho Chehab *val = (GC0310_F_NUMBER_DEFAULT_NUM << 16) | GC0310_F_NUMBER_DEM; 252ad85094bSMauro Carvalho Chehab return 0; 253ad85094bSMauro Carvalho Chehab } 254ad85094bSMauro Carvalho Chehab 255ad85094bSMauro Carvalho Chehab static int gc0310_g_fnumber_range(struct v4l2_subdev *sd, s32 *val) 256ad85094bSMauro Carvalho Chehab { 257ad85094bSMauro Carvalho Chehab *val = (GC0310_F_NUMBER_DEFAULT_NUM << 24) | 258ad85094bSMauro Carvalho Chehab (GC0310_F_NUMBER_DEM << 16) | 259ad85094bSMauro Carvalho Chehab (GC0310_F_NUMBER_DEFAULT_NUM << 8) | GC0310_F_NUMBER_DEM; 260ad85094bSMauro Carvalho Chehab return 0; 261ad85094bSMauro Carvalho Chehab } 262ad85094bSMauro Carvalho Chehab 263ad85094bSMauro Carvalho Chehab static int gc0310_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val) 264ad85094bSMauro Carvalho Chehab { 265ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 266ad85094bSMauro Carvalho Chehab 267ad85094bSMauro Carvalho Chehab *val = gc0310_res[dev->fmt_idx].bin_factor_x; 268ad85094bSMauro Carvalho Chehab 269ad85094bSMauro Carvalho Chehab return 0; 270ad85094bSMauro Carvalho Chehab } 271ad85094bSMauro Carvalho Chehab 272ad85094bSMauro Carvalho Chehab static int gc0310_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val) 273ad85094bSMauro Carvalho Chehab { 274ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 275ad85094bSMauro Carvalho Chehab 276ad85094bSMauro Carvalho Chehab *val = gc0310_res[dev->fmt_idx].bin_factor_y; 277ad85094bSMauro Carvalho Chehab 278ad85094bSMauro Carvalho Chehab return 0; 279ad85094bSMauro Carvalho Chehab } 280ad85094bSMauro Carvalho Chehab 281ad85094bSMauro Carvalho Chehab static int gc0310_get_intg_factor(struct i2c_client *client, 282ad85094bSMauro Carvalho Chehab struct camera_mipi_info *info, 283ad85094bSMauro Carvalho Chehab const struct gc0310_resolution *res) 284ad85094bSMauro Carvalho Chehab { 285ad85094bSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 286ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 287ad85094bSMauro Carvalho Chehab struct atomisp_sensor_mode_data *buf = &info->data; 288ad85094bSMauro Carvalho Chehab u16 val; 289ad85094bSMauro Carvalho Chehab u8 reg_val; 290ad85094bSMauro Carvalho Chehab int ret; 291ad85094bSMauro Carvalho Chehab unsigned int hori_blanking; 292ad85094bSMauro Carvalho Chehab unsigned int vert_blanking; 293ad85094bSMauro Carvalho Chehab unsigned int sh_delay; 294ad85094bSMauro Carvalho Chehab 295ad85094bSMauro Carvalho Chehab if (!info) 296ad85094bSMauro Carvalho Chehab return -EINVAL; 297ad85094bSMauro Carvalho Chehab 298ad85094bSMauro Carvalho Chehab /* pixel clock calculattion */ 299ad85094bSMauro Carvalho Chehab dev->vt_pix_clk_freq_mhz = 14400000; // 16.8MHz 300ad85094bSMauro Carvalho Chehab buf->vt_pix_clk_freq_mhz = dev->vt_pix_clk_freq_mhz; 301ad85094bSMauro Carvalho Chehab pr_info("vt_pix_clk_freq_mhz=%d\n", buf->vt_pix_clk_freq_mhz); 302ad85094bSMauro Carvalho Chehab 303ad85094bSMauro Carvalho Chehab /* get integration time */ 304ad85094bSMauro Carvalho Chehab buf->coarse_integration_time_min = GC0310_COARSE_INTG_TIME_MIN; 305ad85094bSMauro Carvalho Chehab buf->coarse_integration_time_max_margin = 306ad85094bSMauro Carvalho Chehab GC0310_COARSE_INTG_TIME_MAX_MARGIN; 307ad85094bSMauro Carvalho Chehab 308ad85094bSMauro Carvalho Chehab buf->fine_integration_time_min = GC0310_FINE_INTG_TIME_MIN; 309ad85094bSMauro Carvalho Chehab buf->fine_integration_time_max_margin = 310ad85094bSMauro Carvalho Chehab GC0310_FINE_INTG_TIME_MAX_MARGIN; 311ad85094bSMauro Carvalho Chehab 312ad85094bSMauro Carvalho Chehab buf->fine_integration_time_def = GC0310_FINE_INTG_TIME_MIN; 313ad85094bSMauro Carvalho Chehab buf->read_mode = res->bin_mode; 314ad85094bSMauro Carvalho Chehab 315ad85094bSMauro Carvalho Chehab /* get the cropping and output resolution to ISP for this mode. */ 316ad85094bSMauro Carvalho Chehab /* Getting crop_horizontal_start */ 317ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 318ad85094bSMauro Carvalho Chehab GC0310_H_CROP_START_H, ®_val); 319ad85094bSMauro Carvalho Chehab if (ret) 320ad85094bSMauro Carvalho Chehab return ret; 321ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 322ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 323ad85094bSMauro Carvalho Chehab GC0310_H_CROP_START_L, ®_val); 324ad85094bSMauro Carvalho Chehab if (ret) 325ad85094bSMauro Carvalho Chehab return ret; 326ad85094bSMauro Carvalho Chehab buf->crop_horizontal_start = val | (reg_val & 0xFF); 327ad85094bSMauro Carvalho Chehab pr_info("crop_horizontal_start=%d\n", buf->crop_horizontal_start); 328ad85094bSMauro Carvalho Chehab 329ad85094bSMauro Carvalho Chehab /* Getting crop_vertical_start */ 330ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 331ad85094bSMauro Carvalho Chehab GC0310_V_CROP_START_H, ®_val); 332ad85094bSMauro Carvalho Chehab if (ret) 333ad85094bSMauro Carvalho Chehab return ret; 334ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 335ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 336ad85094bSMauro Carvalho Chehab GC0310_V_CROP_START_L, ®_val); 337ad85094bSMauro Carvalho Chehab if (ret) 338ad85094bSMauro Carvalho Chehab return ret; 339ad85094bSMauro Carvalho Chehab buf->crop_vertical_start = val | (reg_val & 0xFF); 340ad85094bSMauro Carvalho Chehab pr_info("crop_vertical_start=%d\n", buf->crop_vertical_start); 341ad85094bSMauro Carvalho Chehab 342ad85094bSMauro Carvalho Chehab /* Getting output_width */ 343ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 344ad85094bSMauro Carvalho Chehab GC0310_H_OUTSIZE_H, ®_val); 345ad85094bSMauro Carvalho Chehab if (ret) 346ad85094bSMauro Carvalho Chehab return ret; 347ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 348ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 349ad85094bSMauro Carvalho Chehab GC0310_H_OUTSIZE_L, ®_val); 350ad85094bSMauro Carvalho Chehab if (ret) 351ad85094bSMauro Carvalho Chehab return ret; 352ad85094bSMauro Carvalho Chehab buf->output_width = val | (reg_val & 0xFF); 353ad85094bSMauro Carvalho Chehab pr_info("output_width=%d\n", buf->output_width); 354ad85094bSMauro Carvalho Chehab 355ad85094bSMauro Carvalho Chehab /* Getting output_height */ 356ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 357ad85094bSMauro Carvalho Chehab GC0310_V_OUTSIZE_H, ®_val); 358ad85094bSMauro Carvalho Chehab if (ret) 359ad85094bSMauro Carvalho Chehab return ret; 360ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 361ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 362ad85094bSMauro Carvalho Chehab GC0310_V_OUTSIZE_L, ®_val); 363ad85094bSMauro Carvalho Chehab if (ret) 364ad85094bSMauro Carvalho Chehab return ret; 365ad85094bSMauro Carvalho Chehab buf->output_height = val | (reg_val & 0xFF); 366ad85094bSMauro Carvalho Chehab pr_info("output_height=%d\n", buf->output_height); 367ad85094bSMauro Carvalho Chehab 368ad85094bSMauro Carvalho Chehab buf->crop_horizontal_end = buf->crop_horizontal_start + buf->output_width - 1; 369ad85094bSMauro Carvalho Chehab buf->crop_vertical_end = buf->crop_vertical_start + buf->output_height - 1; 370ad85094bSMauro Carvalho Chehab pr_info("crop_horizontal_end=%d\n", buf->crop_horizontal_end); 371ad85094bSMauro Carvalho Chehab pr_info("crop_vertical_end=%d\n", buf->crop_vertical_end); 372ad85094bSMauro Carvalho Chehab 373ad85094bSMauro Carvalho Chehab /* Getting line_length_pck */ 374ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 375ad85094bSMauro Carvalho Chehab GC0310_H_BLANKING_H, ®_val); 376ad85094bSMauro Carvalho Chehab if (ret) 377ad85094bSMauro Carvalho Chehab return ret; 378ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 379ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 380ad85094bSMauro Carvalho Chehab GC0310_H_BLANKING_L, ®_val); 381ad85094bSMauro Carvalho Chehab if (ret) 382ad85094bSMauro Carvalho Chehab return ret; 383ad85094bSMauro Carvalho Chehab hori_blanking = val | (reg_val & 0xFF); 384ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 385ad85094bSMauro Carvalho Chehab GC0310_SH_DELAY, ®_val); 386ad85094bSMauro Carvalho Chehab if (ret) 387ad85094bSMauro Carvalho Chehab return ret; 388ad85094bSMauro Carvalho Chehab sh_delay = reg_val; 389ad85094bSMauro Carvalho Chehab buf->line_length_pck = buf->output_width + hori_blanking + sh_delay + 4; 390ad85094bSMauro Carvalho Chehab pr_info("hori_blanking=%d sh_delay=%d line_length_pck=%d\n", hori_blanking, sh_delay, buf->line_length_pck); 391ad85094bSMauro Carvalho Chehab 392ad85094bSMauro Carvalho Chehab /* Getting frame_length_lines */ 393ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 394ad85094bSMauro Carvalho Chehab GC0310_V_BLANKING_H, ®_val); 395ad85094bSMauro Carvalho Chehab if (ret) 396ad85094bSMauro Carvalho Chehab return ret; 397ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 398ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 399ad85094bSMauro Carvalho Chehab GC0310_V_BLANKING_L, ®_val); 400ad85094bSMauro Carvalho Chehab if (ret) 401ad85094bSMauro Carvalho Chehab return ret; 402ad85094bSMauro Carvalho Chehab vert_blanking = val | (reg_val & 0xFF); 403ad85094bSMauro Carvalho Chehab buf->frame_length_lines = buf->output_height + vert_blanking; 404ad85094bSMauro Carvalho Chehab pr_info("vert_blanking=%d frame_length_lines=%d\n", vert_blanking, buf->frame_length_lines); 405ad85094bSMauro Carvalho Chehab 406ad85094bSMauro Carvalho Chehab buf->binning_factor_x = res->bin_factor_x ? 407ad85094bSMauro Carvalho Chehab res->bin_factor_x : 1; 408ad85094bSMauro Carvalho Chehab buf->binning_factor_y = res->bin_factor_y ? 409ad85094bSMauro Carvalho Chehab res->bin_factor_y : 1; 410ad85094bSMauro Carvalho Chehab return 0; 411ad85094bSMauro Carvalho Chehab } 412ad85094bSMauro Carvalho Chehab 413ad85094bSMauro Carvalho Chehab static int gc0310_set_gain(struct v4l2_subdev *sd, int gain) 414ad85094bSMauro Carvalho Chehab 415ad85094bSMauro Carvalho Chehab { 416ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 417ad85094bSMauro Carvalho Chehab int ret; 418ad85094bSMauro Carvalho Chehab u8 again, dgain; 419ad85094bSMauro Carvalho Chehab 420ad85094bSMauro Carvalho Chehab if (gain < 0x20) 421ad85094bSMauro Carvalho Chehab gain = 0x20; 422ad85094bSMauro Carvalho Chehab if (gain > 0x80) 423ad85094bSMauro Carvalho Chehab gain = 0x80; 424ad85094bSMauro Carvalho Chehab 425ad85094bSMauro Carvalho Chehab if (gain >= 0x20 && gain < 0x40) { 426ad85094bSMauro Carvalho Chehab again = 0x0; /* sqrt(2) */ 427ad85094bSMauro Carvalho Chehab dgain = gain; 428ad85094bSMauro Carvalho Chehab } else { 429ad85094bSMauro Carvalho Chehab again = 0x2; /* 2 * sqrt(2) */ 430ad85094bSMauro Carvalho Chehab dgain = gain / 2; 431ad85094bSMauro Carvalho Chehab } 432ad85094bSMauro Carvalho Chehab 433ad85094bSMauro Carvalho Chehab pr_info("gain=0x%x again=0x%x dgain=0x%x\n", gain, again, dgain); 434ad85094bSMauro Carvalho Chehab 435ad85094bSMauro Carvalho Chehab /* set analog gain */ 436ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 437ad85094bSMauro Carvalho Chehab GC0310_AGC_ADJ, again); 438ad85094bSMauro Carvalho Chehab if (ret) 439ad85094bSMauro Carvalho Chehab return ret; 440ad85094bSMauro Carvalho Chehab 441ad85094bSMauro Carvalho Chehab /* set digital gain */ 442ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 443ad85094bSMauro Carvalho Chehab GC0310_DGC_ADJ, dgain); 444ad85094bSMauro Carvalho Chehab if (ret) 445ad85094bSMauro Carvalho Chehab return ret; 446ad85094bSMauro Carvalho Chehab 447ad85094bSMauro Carvalho Chehab return 0; 448ad85094bSMauro Carvalho Chehab } 449ad85094bSMauro Carvalho Chehab 450ad85094bSMauro Carvalho Chehab static int __gc0310_set_exposure(struct v4l2_subdev *sd, int coarse_itg, 451ad85094bSMauro Carvalho Chehab int gain, int digitgain) 452ad85094bSMauro Carvalho Chehab 453ad85094bSMauro Carvalho Chehab { 454ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 455ad85094bSMauro Carvalho Chehab int ret; 456ad85094bSMauro Carvalho Chehab 457ad85094bSMauro Carvalho Chehab pr_info("coarse_itg=%d gain=%d digitgain=%d\n", coarse_itg, gain, digitgain); 458ad85094bSMauro Carvalho Chehab 459ad85094bSMauro Carvalho Chehab /* set exposure */ 460ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 461ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_L, 462ad85094bSMauro Carvalho Chehab coarse_itg & 0xff); 463ad85094bSMauro Carvalho Chehab if (ret) 464ad85094bSMauro Carvalho Chehab return ret; 465ad85094bSMauro Carvalho Chehab 466ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 467ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_H, 468ad85094bSMauro Carvalho Chehab (coarse_itg >> 8) & 0x0f); 469ad85094bSMauro Carvalho Chehab if (ret) 470ad85094bSMauro Carvalho Chehab return ret; 471ad85094bSMauro Carvalho Chehab 472ad85094bSMauro Carvalho Chehab ret = gc0310_set_gain(sd, gain); 473ad85094bSMauro Carvalho Chehab if (ret) 474ad85094bSMauro Carvalho Chehab return ret; 475ad85094bSMauro Carvalho Chehab 476ad85094bSMauro Carvalho Chehab return ret; 477ad85094bSMauro Carvalho Chehab } 478ad85094bSMauro Carvalho Chehab 479ad85094bSMauro Carvalho Chehab static int gc0310_set_exposure(struct v4l2_subdev *sd, int exposure, 480ad85094bSMauro Carvalho Chehab int gain, int digitgain) 481ad85094bSMauro Carvalho Chehab { 482ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 483ad85094bSMauro Carvalho Chehab int ret; 484ad85094bSMauro Carvalho Chehab 485ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 486ad85094bSMauro Carvalho Chehab ret = __gc0310_set_exposure(sd, exposure, gain, digitgain); 487ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 488ad85094bSMauro Carvalho Chehab 489ad85094bSMauro Carvalho Chehab return ret; 490ad85094bSMauro Carvalho Chehab } 491ad85094bSMauro Carvalho Chehab 492ad85094bSMauro Carvalho Chehab static long gc0310_s_exposure(struct v4l2_subdev *sd, 493ad85094bSMauro Carvalho Chehab struct atomisp_exposure *exposure) 494ad85094bSMauro Carvalho Chehab { 495ad85094bSMauro Carvalho Chehab int exp = exposure->integration_time[0]; 496ad85094bSMauro Carvalho Chehab int gain = exposure->gain[0]; 497ad85094bSMauro Carvalho Chehab int digitgain = exposure->gain[1]; 498ad85094bSMauro Carvalho Chehab 499ad85094bSMauro Carvalho Chehab /* we should not accept the invalid value below. */ 500ad85094bSMauro Carvalho Chehab if (gain == 0) { 501ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 502ad85094bSMauro Carvalho Chehab v4l2_err(client, "%s: invalid value\n", __func__); 503ad85094bSMauro Carvalho Chehab return -EINVAL; 504ad85094bSMauro Carvalho Chehab } 505ad85094bSMauro Carvalho Chehab 506ad85094bSMauro Carvalho Chehab return gc0310_set_exposure(sd, exp, gain, digitgain); 507ad85094bSMauro Carvalho Chehab } 508ad85094bSMauro Carvalho Chehab 509ad85094bSMauro Carvalho Chehab /* TO DO */ 510ad85094bSMauro Carvalho Chehab static int gc0310_v_flip(struct v4l2_subdev *sd, s32 value) 511ad85094bSMauro Carvalho Chehab { 512ad85094bSMauro Carvalho Chehab return 0; 513ad85094bSMauro Carvalho Chehab } 514ad85094bSMauro Carvalho Chehab 515ad85094bSMauro Carvalho Chehab /* TO DO */ 516ad85094bSMauro Carvalho Chehab static int gc0310_h_flip(struct v4l2_subdev *sd, s32 value) 517ad85094bSMauro Carvalho Chehab { 518ad85094bSMauro Carvalho Chehab return 0; 519ad85094bSMauro Carvalho Chehab } 520ad85094bSMauro Carvalho Chehab 521ad85094bSMauro Carvalho Chehab static long gc0310_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) 522ad85094bSMauro Carvalho Chehab { 523ad85094bSMauro Carvalho Chehab 524ad85094bSMauro Carvalho Chehab switch (cmd) { 525ad85094bSMauro Carvalho Chehab case ATOMISP_IOC_S_EXPOSURE: 526ad85094bSMauro Carvalho Chehab return gc0310_s_exposure(sd, arg); 527ad85094bSMauro Carvalho Chehab default: 528ad85094bSMauro Carvalho Chehab return -EINVAL; 529ad85094bSMauro Carvalho Chehab } 530ad85094bSMauro Carvalho Chehab return 0; 531ad85094bSMauro Carvalho Chehab } 532ad85094bSMauro Carvalho Chehab 533ad85094bSMauro Carvalho Chehab /* This returns the exposure time being used. This should only be used 534ad85094bSMauro Carvalho Chehab * for filling in EXIF data, not for actual image processing. 535ad85094bSMauro Carvalho Chehab */ 536ad85094bSMauro Carvalho Chehab static int gc0310_q_exposure(struct v4l2_subdev *sd, s32 *value) 537ad85094bSMauro Carvalho Chehab { 538ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 539ad85094bSMauro Carvalho Chehab u8 reg_v; 540ad85094bSMauro Carvalho Chehab int ret; 541ad85094bSMauro Carvalho Chehab 542ad85094bSMauro Carvalho Chehab /* get exposure */ 543ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 544ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_L, 545ad85094bSMauro Carvalho Chehab ®_v); 546ad85094bSMauro Carvalho Chehab if (ret) 547ad85094bSMauro Carvalho Chehab goto err; 548ad85094bSMauro Carvalho Chehab 549ad85094bSMauro Carvalho Chehab *value = reg_v; 550ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 551ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_H, 552ad85094bSMauro Carvalho Chehab ®_v); 553ad85094bSMauro Carvalho Chehab if (ret) 554ad85094bSMauro Carvalho Chehab goto err; 555ad85094bSMauro Carvalho Chehab 556ad85094bSMauro Carvalho Chehab *value = *value + (reg_v << 8); 557ad85094bSMauro Carvalho Chehab err: 558ad85094bSMauro Carvalho Chehab return ret; 559ad85094bSMauro Carvalho Chehab } 560ad85094bSMauro Carvalho Chehab 561ad85094bSMauro Carvalho Chehab static int gc0310_s_ctrl(struct v4l2_ctrl *ctrl) 562ad85094bSMauro Carvalho Chehab { 563ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = 564ad85094bSMauro Carvalho Chehab container_of(ctrl->handler, struct gc0310_device, ctrl_handler); 565ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(&dev->sd); 566ad85094bSMauro Carvalho Chehab int ret = 0; 567ad85094bSMauro Carvalho Chehab 568ad85094bSMauro Carvalho Chehab switch (ctrl->id) { 569ad85094bSMauro Carvalho Chehab case V4L2_CID_VFLIP: 570ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "%s: CID_VFLIP:%d.\n", 571ad85094bSMauro Carvalho Chehab __func__, ctrl->val); 572ad85094bSMauro Carvalho Chehab ret = gc0310_v_flip(&dev->sd, ctrl->val); 573ad85094bSMauro Carvalho Chehab break; 574ad85094bSMauro Carvalho Chehab case V4L2_CID_HFLIP: 575ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "%s: CID_HFLIP:%d.\n", 576ad85094bSMauro Carvalho Chehab __func__, ctrl->val); 577ad85094bSMauro Carvalho Chehab ret = gc0310_h_flip(&dev->sd, ctrl->val); 578ad85094bSMauro Carvalho Chehab break; 579ad85094bSMauro Carvalho Chehab default: 580ad85094bSMauro Carvalho Chehab ret = -EINVAL; 581ad85094bSMauro Carvalho Chehab } 582ad85094bSMauro Carvalho Chehab return ret; 583ad85094bSMauro Carvalho Chehab } 584ad85094bSMauro Carvalho Chehab 585ad85094bSMauro Carvalho Chehab static int gc0310_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 586ad85094bSMauro Carvalho Chehab { 587ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = 588ad85094bSMauro Carvalho Chehab container_of(ctrl->handler, struct gc0310_device, ctrl_handler); 589ad85094bSMauro Carvalho Chehab int ret = 0; 590ad85094bSMauro Carvalho Chehab 591ad85094bSMauro Carvalho Chehab switch (ctrl->id) { 592ad85094bSMauro Carvalho Chehab case V4L2_CID_EXPOSURE_ABSOLUTE: 593ad85094bSMauro Carvalho Chehab ret = gc0310_q_exposure(&dev->sd, &ctrl->val); 594ad85094bSMauro Carvalho Chehab break; 595ad85094bSMauro Carvalho Chehab case V4L2_CID_FOCAL_ABSOLUTE: 596ad85094bSMauro Carvalho Chehab ret = gc0310_g_focal(&dev->sd, &ctrl->val); 597ad85094bSMauro Carvalho Chehab break; 598ad85094bSMauro Carvalho Chehab case V4L2_CID_FNUMBER_ABSOLUTE: 599ad85094bSMauro Carvalho Chehab ret = gc0310_g_fnumber(&dev->sd, &ctrl->val); 600ad85094bSMauro Carvalho Chehab break; 601ad85094bSMauro Carvalho Chehab case V4L2_CID_FNUMBER_RANGE: 602ad85094bSMauro Carvalho Chehab ret = gc0310_g_fnumber_range(&dev->sd, &ctrl->val); 603ad85094bSMauro Carvalho Chehab break; 604ad85094bSMauro Carvalho Chehab case V4L2_CID_BIN_FACTOR_HORZ: 605ad85094bSMauro Carvalho Chehab ret = gc0310_g_bin_factor_x(&dev->sd, &ctrl->val); 606ad85094bSMauro Carvalho Chehab break; 607ad85094bSMauro Carvalho Chehab case V4L2_CID_BIN_FACTOR_VERT: 608ad85094bSMauro Carvalho Chehab ret = gc0310_g_bin_factor_y(&dev->sd, &ctrl->val); 609ad85094bSMauro Carvalho Chehab break; 610ad85094bSMauro Carvalho Chehab default: 611ad85094bSMauro Carvalho Chehab ret = -EINVAL; 612ad85094bSMauro Carvalho Chehab } 613ad85094bSMauro Carvalho Chehab 614ad85094bSMauro Carvalho Chehab return ret; 615ad85094bSMauro Carvalho Chehab } 616ad85094bSMauro Carvalho Chehab 617ad85094bSMauro Carvalho Chehab static const struct v4l2_ctrl_ops ctrl_ops = { 618ad85094bSMauro Carvalho Chehab .s_ctrl = gc0310_s_ctrl, 619ad85094bSMauro Carvalho Chehab .g_volatile_ctrl = gc0310_g_volatile_ctrl 620ad85094bSMauro Carvalho Chehab }; 621ad85094bSMauro Carvalho Chehab 622ad85094bSMauro Carvalho Chehab static const struct v4l2_ctrl_config gc0310_controls[] = { 623ad85094bSMauro Carvalho Chehab { 624ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 625ad85094bSMauro Carvalho Chehab .id = V4L2_CID_EXPOSURE_ABSOLUTE, 626ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 627ad85094bSMauro Carvalho Chehab .name = "exposure", 628ad85094bSMauro Carvalho Chehab .min = 0x0, 629ad85094bSMauro Carvalho Chehab .max = 0xffff, 630ad85094bSMauro Carvalho Chehab .step = 0x01, 631ad85094bSMauro Carvalho Chehab .def = 0x00, 632ad85094bSMauro Carvalho Chehab .flags = 0, 633ad85094bSMauro Carvalho Chehab }, 634ad85094bSMauro Carvalho Chehab { 635ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 636ad85094bSMauro Carvalho Chehab .id = V4L2_CID_VFLIP, 637ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 638ad85094bSMauro Carvalho Chehab .name = "Flip", 639ad85094bSMauro Carvalho Chehab .min = 0, 640ad85094bSMauro Carvalho Chehab .max = 1, 641ad85094bSMauro Carvalho Chehab .step = 1, 642ad85094bSMauro Carvalho Chehab .def = 0, 643ad85094bSMauro Carvalho Chehab }, 644ad85094bSMauro Carvalho Chehab { 645ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 646ad85094bSMauro Carvalho Chehab .id = V4L2_CID_HFLIP, 647ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 648ad85094bSMauro Carvalho Chehab .name = "Mirror", 649ad85094bSMauro Carvalho Chehab .min = 0, 650ad85094bSMauro Carvalho Chehab .max = 1, 651ad85094bSMauro Carvalho Chehab .step = 1, 652ad85094bSMauro Carvalho Chehab .def = 0, 653ad85094bSMauro Carvalho Chehab }, 654ad85094bSMauro Carvalho Chehab { 655ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 656ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FOCAL_ABSOLUTE, 657ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 658ad85094bSMauro Carvalho Chehab .name = "focal length", 659ad85094bSMauro Carvalho Chehab .min = GC0310_FOCAL_LENGTH_DEFAULT, 660ad85094bSMauro Carvalho Chehab .max = GC0310_FOCAL_LENGTH_DEFAULT, 661ad85094bSMauro Carvalho Chehab .step = 0x01, 662ad85094bSMauro Carvalho Chehab .def = GC0310_FOCAL_LENGTH_DEFAULT, 663ad85094bSMauro Carvalho Chehab .flags = 0, 664ad85094bSMauro Carvalho Chehab }, 665ad85094bSMauro Carvalho Chehab { 666ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 667ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FNUMBER_ABSOLUTE, 668ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 669ad85094bSMauro Carvalho Chehab .name = "f-number", 670ad85094bSMauro Carvalho Chehab .min = GC0310_F_NUMBER_DEFAULT, 671ad85094bSMauro Carvalho Chehab .max = GC0310_F_NUMBER_DEFAULT, 672ad85094bSMauro Carvalho Chehab .step = 0x01, 673ad85094bSMauro Carvalho Chehab .def = GC0310_F_NUMBER_DEFAULT, 674ad85094bSMauro Carvalho Chehab .flags = 0, 675ad85094bSMauro Carvalho Chehab }, 676ad85094bSMauro Carvalho Chehab { 677ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 678ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FNUMBER_RANGE, 679ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 680ad85094bSMauro Carvalho Chehab .name = "f-number range", 681ad85094bSMauro Carvalho Chehab .min = GC0310_F_NUMBER_RANGE, 682ad85094bSMauro Carvalho Chehab .max = GC0310_F_NUMBER_RANGE, 683ad85094bSMauro Carvalho Chehab .step = 0x01, 684ad85094bSMauro Carvalho Chehab .def = GC0310_F_NUMBER_RANGE, 685ad85094bSMauro Carvalho Chehab .flags = 0, 686ad85094bSMauro Carvalho Chehab }, 687ad85094bSMauro Carvalho Chehab { 688ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 689ad85094bSMauro Carvalho Chehab .id = V4L2_CID_BIN_FACTOR_HORZ, 690ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 691ad85094bSMauro Carvalho Chehab .name = "horizontal binning factor", 692ad85094bSMauro Carvalho Chehab .min = 0, 693ad85094bSMauro Carvalho Chehab .max = GC0310_BIN_FACTOR_MAX, 694ad85094bSMauro Carvalho Chehab .step = 1, 695ad85094bSMauro Carvalho Chehab .def = 0, 696ad85094bSMauro Carvalho Chehab .flags = 0, 697ad85094bSMauro Carvalho Chehab }, 698ad85094bSMauro Carvalho Chehab { 699ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 700ad85094bSMauro Carvalho Chehab .id = V4L2_CID_BIN_FACTOR_VERT, 701ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 702ad85094bSMauro Carvalho Chehab .name = "vertical binning factor", 703ad85094bSMauro Carvalho Chehab .min = 0, 704ad85094bSMauro Carvalho Chehab .max = GC0310_BIN_FACTOR_MAX, 705ad85094bSMauro Carvalho Chehab .step = 1, 706ad85094bSMauro Carvalho Chehab .def = 0, 707ad85094bSMauro Carvalho Chehab .flags = 0, 708ad85094bSMauro Carvalho Chehab }, 709ad85094bSMauro Carvalho Chehab }; 710ad85094bSMauro Carvalho Chehab 711ad85094bSMauro Carvalho Chehab static int gc0310_init(struct v4l2_subdev *sd) 712ad85094bSMauro Carvalho Chehab { 713ad85094bSMauro Carvalho Chehab int ret; 714ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 715ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 716ad85094bSMauro Carvalho Chehab 717ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 718ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 719ad85094bSMauro Carvalho Chehab 720ad85094bSMauro Carvalho Chehab /* set inital registers */ 721ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg_array(client, gc0310_reset_register); 722ad85094bSMauro Carvalho Chehab 723ad85094bSMauro Carvalho Chehab /* restore settings */ 724ad85094bSMauro Carvalho Chehab gc0310_res = gc0310_res_preview; 725ad85094bSMauro Carvalho Chehab N_RES = N_RES_PREVIEW; 726ad85094bSMauro Carvalho Chehab 727ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 728ad85094bSMauro Carvalho Chehab 729ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 730ad85094bSMauro Carvalho Chehab return ret; 731ad85094bSMauro Carvalho Chehab } 732ad85094bSMauro Carvalho Chehab 733ad85094bSMauro Carvalho Chehab static int power_ctrl(struct v4l2_subdev *sd, bool flag) 734ad85094bSMauro Carvalho Chehab { 735ad85094bSMauro Carvalho Chehab int ret = 0; 736ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 737ad85094bSMauro Carvalho Chehab if (!dev || !dev->platform_data) 738ad85094bSMauro Carvalho Chehab return -ENODEV; 739ad85094bSMauro Carvalho Chehab 740ad85094bSMauro Carvalho Chehab if (flag) { 741ad85094bSMauro Carvalho Chehab /* The upstream module driver (written to Crystal 742ad85094bSMauro Carvalho Chehab * Cove) had this logic to pulse the rails low first. 743ad85094bSMauro Carvalho Chehab * This appears to break things on the MRD7 with the 744ad85094bSMauro Carvalho Chehab * X-Powers PMIC... 745ad85094bSMauro Carvalho Chehab * 746ad85094bSMauro Carvalho Chehab * ret = dev->platform_data->v1p8_ctrl(sd, 0); 747ad85094bSMauro Carvalho Chehab * ret |= dev->platform_data->v2p8_ctrl(sd, 0); 748ad85094bSMauro Carvalho Chehab * mdelay(50); 749ad85094bSMauro Carvalho Chehab */ 750ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v1p8_ctrl(sd, 1); 751ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v2p8_ctrl(sd, 1); 752ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 753ad85094bSMauro Carvalho Chehab } 754ad85094bSMauro Carvalho Chehab 755ad85094bSMauro Carvalho Chehab if (!flag || ret) { 756ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v1p8_ctrl(sd, 0); 757ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v2p8_ctrl(sd, 0); 758ad85094bSMauro Carvalho Chehab } 759ad85094bSMauro Carvalho Chehab return ret; 760ad85094bSMauro Carvalho Chehab } 761ad85094bSMauro Carvalho Chehab 762ad85094bSMauro Carvalho Chehab static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) 763ad85094bSMauro Carvalho Chehab { 764ad85094bSMauro Carvalho Chehab int ret; 765ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 766ad85094bSMauro Carvalho Chehab 767ad85094bSMauro Carvalho Chehab if (!dev || !dev->platform_data) 768ad85094bSMauro Carvalho Chehab return -ENODEV; 769ad85094bSMauro Carvalho Chehab 770ad85094bSMauro Carvalho Chehab /* GPIO0 == "reset" (active low), GPIO1 == "power down" */ 771ad85094bSMauro Carvalho Chehab if (flag) { 772ad85094bSMauro Carvalho Chehab /* Pulse reset, then release power down */ 773ad85094bSMauro Carvalho Chehab ret = dev->platform_data->gpio0_ctrl(sd, 0); 774ad85094bSMauro Carvalho Chehab usleep_range(5000, 10000); 775ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio0_ctrl(sd, 1); 776ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 777ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio1_ctrl(sd, 0); 778ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 779ad85094bSMauro Carvalho Chehab } else { 780ad85094bSMauro Carvalho Chehab ret = dev->platform_data->gpio1_ctrl(sd, 1); 781ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio0_ctrl(sd, 0); 782ad85094bSMauro Carvalho Chehab } 783ad85094bSMauro Carvalho Chehab return ret; 784ad85094bSMauro Carvalho Chehab } 785ad85094bSMauro Carvalho Chehab 786ad85094bSMauro Carvalho Chehab 787ad85094bSMauro Carvalho Chehab static int power_down(struct v4l2_subdev *sd); 788ad85094bSMauro Carvalho Chehab 789ad85094bSMauro Carvalho Chehab static int power_up(struct v4l2_subdev *sd) 790ad85094bSMauro Carvalho Chehab { 791ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 792ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 793ad85094bSMauro Carvalho Chehab int ret; 794ad85094bSMauro Carvalho Chehab 795ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 796ad85094bSMauro Carvalho Chehab if (!dev->platform_data) { 797ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 798ad85094bSMauro Carvalho Chehab "no camera_sensor_platform_data"); 799ad85094bSMauro Carvalho Chehab return -ENODEV; 800ad85094bSMauro Carvalho Chehab } 801ad85094bSMauro Carvalho Chehab 802ad85094bSMauro Carvalho Chehab /* power control */ 803ad85094bSMauro Carvalho Chehab ret = power_ctrl(sd, 1); 804ad85094bSMauro Carvalho Chehab if (ret) 805ad85094bSMauro Carvalho Chehab goto fail_power; 806ad85094bSMauro Carvalho Chehab 807ad85094bSMauro Carvalho Chehab /* flis clock control */ 808ad85094bSMauro Carvalho Chehab ret = dev->platform_data->flisclk_ctrl(sd, 1); 809ad85094bSMauro Carvalho Chehab if (ret) 810ad85094bSMauro Carvalho Chehab goto fail_clk; 811ad85094bSMauro Carvalho Chehab 812ad85094bSMauro Carvalho Chehab /* gpio ctrl */ 813ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 1); 814ad85094bSMauro Carvalho Chehab if (ret) { 815ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 1); 816ad85094bSMauro Carvalho Chehab if (ret) 817ad85094bSMauro Carvalho Chehab goto fail_gpio; 818ad85094bSMauro Carvalho Chehab } 819ad85094bSMauro Carvalho Chehab 820ad85094bSMauro Carvalho Chehab msleep(100); 821ad85094bSMauro Carvalho Chehab 822ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 823ad85094bSMauro Carvalho Chehab return 0; 824ad85094bSMauro Carvalho Chehab 825ad85094bSMauro Carvalho Chehab fail_gpio: 826ad85094bSMauro Carvalho Chehab dev->platform_data->flisclk_ctrl(sd, 0); 827ad85094bSMauro Carvalho Chehab fail_clk: 828ad85094bSMauro Carvalho Chehab power_ctrl(sd, 0); 829ad85094bSMauro Carvalho Chehab fail_power: 830ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "sensor power-up failed\n"); 831ad85094bSMauro Carvalho Chehab 832ad85094bSMauro Carvalho Chehab return ret; 833ad85094bSMauro Carvalho Chehab } 834ad85094bSMauro Carvalho Chehab 835ad85094bSMauro Carvalho Chehab static int power_down(struct v4l2_subdev *sd) 836ad85094bSMauro Carvalho Chehab { 837ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 838ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 839ad85094bSMauro Carvalho Chehab int ret = 0; 840ad85094bSMauro Carvalho Chehab 841ad85094bSMauro Carvalho Chehab if (!dev->platform_data) { 842ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 843ad85094bSMauro Carvalho Chehab "no camera_sensor_platform_data"); 844ad85094bSMauro Carvalho Chehab return -ENODEV; 845ad85094bSMauro Carvalho Chehab } 846ad85094bSMauro Carvalho Chehab 847ad85094bSMauro Carvalho Chehab /* gpio ctrl */ 848ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 0); 849ad85094bSMauro Carvalho Chehab if (ret) { 850ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 0); 851ad85094bSMauro Carvalho Chehab if (ret) 852ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gpio failed 2\n"); 853ad85094bSMauro Carvalho Chehab } 854ad85094bSMauro Carvalho Chehab 855ad85094bSMauro Carvalho Chehab ret = dev->platform_data->flisclk_ctrl(sd, 0); 856ad85094bSMauro Carvalho Chehab if (ret) 857ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "flisclk failed\n"); 858ad85094bSMauro Carvalho Chehab 859ad85094bSMauro Carvalho Chehab /* power control */ 860ad85094bSMauro Carvalho Chehab ret = power_ctrl(sd, 0); 861ad85094bSMauro Carvalho Chehab if (ret) 862ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "vprog failed.\n"); 863ad85094bSMauro Carvalho Chehab 864ad85094bSMauro Carvalho Chehab return ret; 865ad85094bSMauro Carvalho Chehab } 866ad85094bSMauro Carvalho Chehab 867ad85094bSMauro Carvalho Chehab static int gc0310_s_power(struct v4l2_subdev *sd, int on) 868ad85094bSMauro Carvalho Chehab { 869ad85094bSMauro Carvalho Chehab int ret; 870ad85094bSMauro Carvalho Chehab if (on == 0) 871ad85094bSMauro Carvalho Chehab return power_down(sd); 872ad85094bSMauro Carvalho Chehab else { 873ad85094bSMauro Carvalho Chehab ret = power_up(sd); 874ad85094bSMauro Carvalho Chehab if (!ret) 875ad85094bSMauro Carvalho Chehab return gc0310_init(sd); 876ad85094bSMauro Carvalho Chehab } 877ad85094bSMauro Carvalho Chehab return ret; 878ad85094bSMauro Carvalho Chehab } 879ad85094bSMauro Carvalho Chehab 880ad85094bSMauro Carvalho Chehab /* 881ad85094bSMauro Carvalho Chehab * distance - calculate the distance 882ad85094bSMauro Carvalho Chehab * @res: resolution 883ad85094bSMauro Carvalho Chehab * @w: width 884ad85094bSMauro Carvalho Chehab * @h: height 885ad85094bSMauro Carvalho Chehab * 886ad85094bSMauro Carvalho Chehab * Get the gap between resolution and w/h. 887ad85094bSMauro Carvalho Chehab * res->width/height smaller than w/h wouldn't be considered. 888ad85094bSMauro Carvalho Chehab * Returns the value of gap or -1 if fail. 889ad85094bSMauro Carvalho Chehab */ 890ad85094bSMauro Carvalho Chehab #define LARGEST_ALLOWED_RATIO_MISMATCH 800 891ad85094bSMauro Carvalho Chehab static int distance(struct gc0310_resolution *res, u32 w, u32 h) 892ad85094bSMauro Carvalho Chehab { 893ad85094bSMauro Carvalho Chehab unsigned int w_ratio = (res->width << 13) / w; 894ad85094bSMauro Carvalho Chehab unsigned int h_ratio; 895ad85094bSMauro Carvalho Chehab int match; 896ad85094bSMauro Carvalho Chehab 897ad85094bSMauro Carvalho Chehab if (h == 0) 898ad85094bSMauro Carvalho Chehab return -1; 899ad85094bSMauro Carvalho Chehab h_ratio = (res->height << 13) / h; 900ad85094bSMauro Carvalho Chehab if (h_ratio == 0) 901ad85094bSMauro Carvalho Chehab return -1; 902ad85094bSMauro Carvalho Chehab match = abs(((w_ratio << 13) / h_ratio) - ((int)8192)); 903ad85094bSMauro Carvalho Chehab 904ad85094bSMauro Carvalho Chehab if ((w_ratio < (int)8192) || (h_ratio < (int)8192) || 905ad85094bSMauro Carvalho Chehab (match > LARGEST_ALLOWED_RATIO_MISMATCH)) 906ad85094bSMauro Carvalho Chehab return -1; 907ad85094bSMauro Carvalho Chehab 908ad85094bSMauro Carvalho Chehab return w_ratio + h_ratio; 909ad85094bSMauro Carvalho Chehab } 910ad85094bSMauro Carvalho Chehab 911ad85094bSMauro Carvalho Chehab /* Return the nearest higher resolution index */ 912ad85094bSMauro Carvalho Chehab static int nearest_resolution_index(int w, int h) 913ad85094bSMauro Carvalho Chehab { 914ad85094bSMauro Carvalho Chehab int i; 915ad85094bSMauro Carvalho Chehab int idx = -1; 916ad85094bSMauro Carvalho Chehab int dist; 917ad85094bSMauro Carvalho Chehab int min_dist = INT_MAX; 918ad85094bSMauro Carvalho Chehab struct gc0310_resolution *tmp_res = NULL; 919ad85094bSMauro Carvalho Chehab 920ad85094bSMauro Carvalho Chehab for (i = 0; i < N_RES; i++) { 921ad85094bSMauro Carvalho Chehab tmp_res = &gc0310_res[i]; 922ad85094bSMauro Carvalho Chehab dist = distance(tmp_res, w, h); 923ad85094bSMauro Carvalho Chehab if (dist == -1) 924ad85094bSMauro Carvalho Chehab continue; 925ad85094bSMauro Carvalho Chehab if (dist < min_dist) { 926ad85094bSMauro Carvalho Chehab min_dist = dist; 927ad85094bSMauro Carvalho Chehab idx = i; 928ad85094bSMauro Carvalho Chehab } 929ad85094bSMauro Carvalho Chehab } 930ad85094bSMauro Carvalho Chehab 931ad85094bSMauro Carvalho Chehab return idx; 932ad85094bSMauro Carvalho Chehab } 933ad85094bSMauro Carvalho Chehab 934ad85094bSMauro Carvalho Chehab static int get_resolution_index(int w, int h) 935ad85094bSMauro Carvalho Chehab { 936ad85094bSMauro Carvalho Chehab int i; 937ad85094bSMauro Carvalho Chehab 938ad85094bSMauro Carvalho Chehab for (i = 0; i < N_RES; i++) { 939ad85094bSMauro Carvalho Chehab if (w != gc0310_res[i].width) 940ad85094bSMauro Carvalho Chehab continue; 941ad85094bSMauro Carvalho Chehab if (h != gc0310_res[i].height) 942ad85094bSMauro Carvalho Chehab continue; 943ad85094bSMauro Carvalho Chehab 944ad85094bSMauro Carvalho Chehab return i; 945ad85094bSMauro Carvalho Chehab } 946ad85094bSMauro Carvalho Chehab 947ad85094bSMauro Carvalho Chehab return -1; 948ad85094bSMauro Carvalho Chehab } 949ad85094bSMauro Carvalho Chehab 950ad85094bSMauro Carvalho Chehab 951ad85094bSMauro Carvalho Chehab /* TODO: remove it. */ 952ad85094bSMauro Carvalho Chehab static int startup(struct v4l2_subdev *sd) 953ad85094bSMauro Carvalho Chehab { 954ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 955ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 956ad85094bSMauro Carvalho Chehab int ret = 0; 957ad85094bSMauro Carvalho Chehab 958ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 959ad85094bSMauro Carvalho Chehab 960ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg_array(client, gc0310_res[dev->fmt_idx].regs); 961ad85094bSMauro Carvalho Chehab if (ret) { 962ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 write register err.\n"); 963ad85094bSMauro Carvalho Chehab return ret; 964ad85094bSMauro Carvalho Chehab } 965ad85094bSMauro Carvalho Chehab 966ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 967ad85094bSMauro Carvalho Chehab return ret; 968ad85094bSMauro Carvalho Chehab } 969ad85094bSMauro Carvalho Chehab 970ad85094bSMauro Carvalho Chehab static int gc0310_set_fmt(struct v4l2_subdev *sd, 971ad85094bSMauro Carvalho Chehab struct v4l2_subdev_pad_config *cfg, 972ad85094bSMauro Carvalho Chehab struct v4l2_subdev_format *format) 973ad85094bSMauro Carvalho Chehab { 974ad85094bSMauro Carvalho Chehab struct v4l2_mbus_framefmt *fmt = &format->format; 975ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 976ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 977ad85094bSMauro Carvalho Chehab struct camera_mipi_info *gc0310_info = NULL; 978ad85094bSMauro Carvalho Chehab int ret = 0; 979ad85094bSMauro Carvalho Chehab int idx = 0; 980ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 981ad85094bSMauro Carvalho Chehab 982ad85094bSMauro Carvalho Chehab if (format->pad) 983ad85094bSMauro Carvalho Chehab return -EINVAL; 984ad85094bSMauro Carvalho Chehab 985ad85094bSMauro Carvalho Chehab if (!fmt) 986ad85094bSMauro Carvalho Chehab return -EINVAL; 987ad85094bSMauro Carvalho Chehab 988ad85094bSMauro Carvalho Chehab gc0310_info = v4l2_get_subdev_hostdata(sd); 989ad85094bSMauro Carvalho Chehab if (!gc0310_info) 990ad85094bSMauro Carvalho Chehab return -EINVAL; 991ad85094bSMauro Carvalho Chehab 992ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 993ad85094bSMauro Carvalho Chehab 994ad85094bSMauro Carvalho Chehab idx = nearest_resolution_index(fmt->width, fmt->height); 995ad85094bSMauro Carvalho Chehab if (idx == -1) { 996ad85094bSMauro Carvalho Chehab /* return the largest resolution */ 997ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[N_RES - 1].width; 998ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[N_RES - 1].height; 999ad85094bSMauro Carvalho Chehab } else { 1000ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[idx].width; 1001ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[idx].height; 1002ad85094bSMauro Carvalho Chehab } 1003ad85094bSMauro Carvalho Chehab fmt->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1004ad85094bSMauro Carvalho Chehab 1005ad85094bSMauro Carvalho Chehab if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1006ad85094bSMauro Carvalho Chehab cfg->try_fmt = *fmt; 1007ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1008ad85094bSMauro Carvalho Chehab return 0; 1009ad85094bSMauro Carvalho Chehab } 1010ad85094bSMauro Carvalho Chehab 1011ad85094bSMauro Carvalho Chehab dev->fmt_idx = get_resolution_index(fmt->width, fmt->height); 1012ad85094bSMauro Carvalho Chehab if (dev->fmt_idx == -1) { 1013ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "get resolution fail\n"); 1014ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1015ad85094bSMauro Carvalho Chehab return -EINVAL; 1016ad85094bSMauro Carvalho Chehab } 1017ad85094bSMauro Carvalho Chehab 1018ad85094bSMauro Carvalho Chehab printk("%s: before gc0310_write_reg_array %s\n", __FUNCTION__, 1019ad85094bSMauro Carvalho Chehab gc0310_res[dev->fmt_idx].desc); 1020ad85094bSMauro Carvalho Chehab ret = startup(sd); 1021ad85094bSMauro Carvalho Chehab if (ret) { 1022ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 startup err\n"); 1023ad85094bSMauro Carvalho Chehab goto err; 1024ad85094bSMauro Carvalho Chehab } 1025ad85094bSMauro Carvalho Chehab 1026ad85094bSMauro Carvalho Chehab ret = gc0310_get_intg_factor(client, gc0310_info, 1027ad85094bSMauro Carvalho Chehab &gc0310_res[dev->fmt_idx]); 1028ad85094bSMauro Carvalho Chehab if (ret) { 1029ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "failed to get integration_factor\n"); 1030ad85094bSMauro Carvalho Chehab goto err; 1031ad85094bSMauro Carvalho Chehab } 1032ad85094bSMauro Carvalho Chehab 1033ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 1034ad85094bSMauro Carvalho Chehab err: 1035ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1036ad85094bSMauro Carvalho Chehab return ret; 1037ad85094bSMauro Carvalho Chehab } 1038ad85094bSMauro Carvalho Chehab 1039ad85094bSMauro Carvalho Chehab static int gc0310_get_fmt(struct v4l2_subdev *sd, 1040ad85094bSMauro Carvalho Chehab struct v4l2_subdev_pad_config *cfg, 1041ad85094bSMauro Carvalho Chehab struct v4l2_subdev_format *format) 1042ad85094bSMauro Carvalho Chehab { 1043ad85094bSMauro Carvalho Chehab struct v4l2_mbus_framefmt *fmt = &format->format; 1044ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1045ad85094bSMauro Carvalho Chehab 1046ad85094bSMauro Carvalho Chehab if (format->pad) 1047ad85094bSMauro Carvalho Chehab return -EINVAL; 1048ad85094bSMauro Carvalho Chehab 1049ad85094bSMauro Carvalho Chehab if (!fmt) 1050ad85094bSMauro Carvalho Chehab return -EINVAL; 1051ad85094bSMauro Carvalho Chehab 1052ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[dev->fmt_idx].width; 1053ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[dev->fmt_idx].height; 1054ad85094bSMauro Carvalho Chehab fmt->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1055ad85094bSMauro Carvalho Chehab 1056ad85094bSMauro Carvalho Chehab return 0; 1057ad85094bSMauro Carvalho Chehab } 1058ad85094bSMauro Carvalho Chehab 1059ad85094bSMauro Carvalho Chehab static int gc0310_detect(struct i2c_client *client) 1060ad85094bSMauro Carvalho Chehab { 1061ad85094bSMauro Carvalho Chehab struct i2c_adapter *adapter = client->adapter; 1062ad85094bSMauro Carvalho Chehab u8 high, low; 1063ad85094bSMauro Carvalho Chehab int ret; 1064ad85094bSMauro Carvalho Chehab u16 id; 1065ad85094bSMauro Carvalho Chehab 1066ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 1067ad85094bSMauro Carvalho Chehab if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) 1068ad85094bSMauro Carvalho Chehab return -ENODEV; 1069ad85094bSMauro Carvalho Chehab 1070ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 1071ad85094bSMauro Carvalho Chehab GC0310_SC_CMMN_CHIP_ID_H, &high); 1072ad85094bSMauro Carvalho Chehab if (ret) { 1073ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "read sensor_id_high failed\n"); 1074ad85094bSMauro Carvalho Chehab return -ENODEV; 1075ad85094bSMauro Carvalho Chehab } 1076ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 1077ad85094bSMauro Carvalho Chehab GC0310_SC_CMMN_CHIP_ID_L, &low); 1078ad85094bSMauro Carvalho Chehab if (ret) { 1079ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "read sensor_id_low failed\n"); 1080ad85094bSMauro Carvalho Chehab return -ENODEV; 1081ad85094bSMauro Carvalho Chehab } 1082ad85094bSMauro Carvalho Chehab id = ((((u16) high) << 8) | (u16) low); 1083ad85094bSMauro Carvalho Chehab pr_info("sensor ID = 0x%x\n", id); 1084ad85094bSMauro Carvalho Chehab 1085ad85094bSMauro Carvalho Chehab if (id != GC0310_ID) { 1086ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "sensor ID error, read id = 0x%x, target id = 0x%x\n", id, GC0310_ID); 1087ad85094bSMauro Carvalho Chehab return -ENODEV; 1088ad85094bSMauro Carvalho Chehab } 1089ad85094bSMauro Carvalho Chehab 1090ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "detect gc0310 success\n"); 1091ad85094bSMauro Carvalho Chehab 1092ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 1093ad85094bSMauro Carvalho Chehab 1094ad85094bSMauro Carvalho Chehab return 0; 1095ad85094bSMauro Carvalho Chehab } 1096ad85094bSMauro Carvalho Chehab 1097ad85094bSMauro Carvalho Chehab static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) 1098ad85094bSMauro Carvalho Chehab { 1099ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1100ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 1101ad85094bSMauro Carvalho Chehab int ret; 1102ad85094bSMauro Carvalho Chehab 1103ad85094bSMauro Carvalho Chehab pr_info("%s S enable=%d\n", __func__, enable); 1104ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1105ad85094bSMauro Carvalho Chehab 1106ad85094bSMauro Carvalho Chehab if (enable) { 1107ad85094bSMauro Carvalho Chehab /* enable per frame MIPI and sensor ctrl reset */ 1108ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1109ad85094bSMauro Carvalho Chehab 0xFE, 0x30); 1110ad85094bSMauro Carvalho Chehab if (ret) { 1111ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1112ad85094bSMauro Carvalho Chehab return ret; 1113ad85094bSMauro Carvalho Chehab } 1114ad85094bSMauro Carvalho Chehab } 1115ad85094bSMauro Carvalho Chehab 1116ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1117ad85094bSMauro Carvalho Chehab GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_3); 1118ad85094bSMauro Carvalho Chehab if (ret) { 1119ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1120ad85094bSMauro Carvalho Chehab return ret; 1121ad85094bSMauro Carvalho Chehab } 1122ad85094bSMauro Carvalho Chehab 1123ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, GC0310_SW_STREAM, 1124ad85094bSMauro Carvalho Chehab enable ? GC0310_START_STREAMING : 1125ad85094bSMauro Carvalho Chehab GC0310_STOP_STREAMING); 1126ad85094bSMauro Carvalho Chehab if (ret) { 1127ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1128ad85094bSMauro Carvalho Chehab return ret; 1129ad85094bSMauro Carvalho Chehab } 1130ad85094bSMauro Carvalho Chehab 1131ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1132ad85094bSMauro Carvalho Chehab GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_0); 1133ad85094bSMauro Carvalho Chehab if (ret) { 1134ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1135ad85094bSMauro Carvalho Chehab return ret; 1136ad85094bSMauro Carvalho Chehab } 1137ad85094bSMauro Carvalho Chehab 1138ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1139ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 1140ad85094bSMauro Carvalho Chehab return ret; 1141ad85094bSMauro Carvalho Chehab } 1142ad85094bSMauro Carvalho Chehab 1143ad85094bSMauro Carvalho Chehab 1144ad85094bSMauro Carvalho Chehab static int gc0310_s_config(struct v4l2_subdev *sd, 1145ad85094bSMauro Carvalho Chehab int irq, void *platform_data) 1146ad85094bSMauro Carvalho Chehab { 1147ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1148ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 1149ad85094bSMauro Carvalho Chehab int ret = 0; 1150ad85094bSMauro Carvalho Chehab 1151ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 1152ad85094bSMauro Carvalho Chehab if (!platform_data) 1153ad85094bSMauro Carvalho Chehab return -ENODEV; 1154ad85094bSMauro Carvalho Chehab 1155ad85094bSMauro Carvalho Chehab dev->platform_data = 1156ad85094bSMauro Carvalho Chehab (struct camera_sensor_platform_data *)platform_data; 1157ad85094bSMauro Carvalho Chehab 1158ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1159ad85094bSMauro Carvalho Chehab /* power off the module, then power on it in future 1160ad85094bSMauro Carvalho Chehab * as first power on by board may not fulfill the 1161ad85094bSMauro Carvalho Chehab * power on sequqence needed by the module 1162ad85094bSMauro Carvalho Chehab */ 1163ad85094bSMauro Carvalho Chehab ret = power_down(sd); 1164ad85094bSMauro Carvalho Chehab if (ret) { 1165ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-off err.\n"); 1166ad85094bSMauro Carvalho Chehab goto fail_power_off; 1167ad85094bSMauro Carvalho Chehab } 1168ad85094bSMauro Carvalho Chehab 1169ad85094bSMauro Carvalho Chehab ret = power_up(sd); 1170ad85094bSMauro Carvalho Chehab if (ret) { 1171ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-up err.\n"); 1172ad85094bSMauro Carvalho Chehab goto fail_power_on; 1173ad85094bSMauro Carvalho Chehab } 1174ad85094bSMauro Carvalho Chehab 1175ad85094bSMauro Carvalho Chehab ret = dev->platform_data->csi_cfg(sd, 1); 1176ad85094bSMauro Carvalho Chehab if (ret) 1177ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1178ad85094bSMauro Carvalho Chehab 1179ad85094bSMauro Carvalho Chehab /* config & detect sensor */ 1180ad85094bSMauro Carvalho Chehab ret = gc0310_detect(client); 1181ad85094bSMauro Carvalho Chehab if (ret) { 1182ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310_detect err s_config.\n"); 1183ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1184ad85094bSMauro Carvalho Chehab } 1185ad85094bSMauro Carvalho Chehab 1186ad85094bSMauro Carvalho Chehab /* turn off sensor, after probed */ 1187ad85094bSMauro Carvalho Chehab ret = power_down(sd); 1188ad85094bSMauro Carvalho Chehab if (ret) { 1189ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-off err.\n"); 1190ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1191ad85094bSMauro Carvalho Chehab } 1192ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1193ad85094bSMauro Carvalho Chehab 1194ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 1195ad85094bSMauro Carvalho Chehab return 0; 1196ad85094bSMauro Carvalho Chehab 1197ad85094bSMauro Carvalho Chehab fail_csi_cfg: 1198ad85094bSMauro Carvalho Chehab dev->platform_data->csi_cfg(sd, 0); 1199ad85094bSMauro Carvalho Chehab fail_power_on: 1200ad85094bSMauro Carvalho Chehab power_down(sd); 1201ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "sensor power-gating failed\n"); 1202ad85094bSMauro Carvalho Chehab fail_power_off: 1203ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1204ad85094bSMauro Carvalho Chehab return ret; 1205ad85094bSMauro Carvalho Chehab } 1206ad85094bSMauro Carvalho Chehab 1207ad85094bSMauro Carvalho Chehab static int gc0310_g_frame_interval(struct v4l2_subdev *sd, 1208ad85094bSMauro Carvalho Chehab struct v4l2_subdev_frame_interval *interval) 1209ad85094bSMauro Carvalho Chehab { 1210ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1211ad85094bSMauro Carvalho Chehab 1212ad85094bSMauro Carvalho Chehab interval->interval.numerator = 1; 1213ad85094bSMauro Carvalho Chehab interval->interval.denominator = gc0310_res[dev->fmt_idx].fps; 1214ad85094bSMauro Carvalho Chehab 1215ad85094bSMauro Carvalho Chehab return 0; 1216ad85094bSMauro Carvalho Chehab } 1217ad85094bSMauro Carvalho Chehab 1218ad85094bSMauro Carvalho Chehab static int gc0310_enum_mbus_code(struct v4l2_subdev *sd, 1219ad85094bSMauro Carvalho Chehab struct v4l2_subdev_pad_config *cfg, 1220ad85094bSMauro Carvalho Chehab struct v4l2_subdev_mbus_code_enum *code) 1221ad85094bSMauro Carvalho Chehab { 1222ad85094bSMauro Carvalho Chehab if (code->index >= MAX_FMTS) 1223ad85094bSMauro Carvalho Chehab return -EINVAL; 1224ad85094bSMauro Carvalho Chehab 1225ad85094bSMauro Carvalho Chehab code->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1226ad85094bSMauro Carvalho Chehab return 0; 1227ad85094bSMauro Carvalho Chehab } 1228ad85094bSMauro Carvalho Chehab 1229ad85094bSMauro Carvalho Chehab static int gc0310_enum_frame_size(struct v4l2_subdev *sd, 1230ad85094bSMauro Carvalho Chehab struct v4l2_subdev_pad_config *cfg, 1231ad85094bSMauro Carvalho Chehab struct v4l2_subdev_frame_size_enum *fse) 1232ad85094bSMauro Carvalho Chehab { 1233ad85094bSMauro Carvalho Chehab int index = fse->index; 1234ad85094bSMauro Carvalho Chehab 1235ad85094bSMauro Carvalho Chehab if (index >= N_RES) 1236ad85094bSMauro Carvalho Chehab return -EINVAL; 1237ad85094bSMauro Carvalho Chehab 1238ad85094bSMauro Carvalho Chehab fse->min_width = gc0310_res[index].width; 1239ad85094bSMauro Carvalho Chehab fse->min_height = gc0310_res[index].height; 1240ad85094bSMauro Carvalho Chehab fse->max_width = gc0310_res[index].width; 1241ad85094bSMauro Carvalho Chehab fse->max_height = gc0310_res[index].height; 1242ad85094bSMauro Carvalho Chehab 1243ad85094bSMauro Carvalho Chehab return 0; 1244ad85094bSMauro Carvalho Chehab 1245ad85094bSMauro Carvalho Chehab } 1246ad85094bSMauro Carvalho Chehab 1247ad85094bSMauro Carvalho Chehab 1248ad85094bSMauro Carvalho Chehab static int gc0310_g_skip_frames(struct v4l2_subdev *sd, u32 *frames) 1249ad85094bSMauro Carvalho Chehab { 1250ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1251ad85094bSMauro Carvalho Chehab 1252ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1253ad85094bSMauro Carvalho Chehab *frames = gc0310_res[dev->fmt_idx].skip_frames; 1254ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1255ad85094bSMauro Carvalho Chehab 1256ad85094bSMauro Carvalho Chehab return 0; 1257ad85094bSMauro Carvalho Chehab } 1258ad85094bSMauro Carvalho Chehab 1259ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_sensor_ops gc0310_sensor_ops = { 1260ad85094bSMauro Carvalho Chehab .g_skip_frames = gc0310_g_skip_frames, 1261ad85094bSMauro Carvalho Chehab }; 1262ad85094bSMauro Carvalho Chehab 1263ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops gc0310_video_ops = { 1264ad85094bSMauro Carvalho Chehab .s_stream = gc0310_s_stream, 1265ad85094bSMauro Carvalho Chehab .g_frame_interval = gc0310_g_frame_interval, 1266ad85094bSMauro Carvalho Chehab }; 1267ad85094bSMauro Carvalho Chehab 1268ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_core_ops gc0310_core_ops = { 1269ad85094bSMauro Carvalho Chehab .s_power = gc0310_s_power, 1270ad85094bSMauro Carvalho Chehab .ioctl = gc0310_ioctl, 1271ad85094bSMauro Carvalho Chehab }; 1272ad85094bSMauro Carvalho Chehab 1273ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_pad_ops gc0310_pad_ops = { 1274ad85094bSMauro Carvalho Chehab .enum_mbus_code = gc0310_enum_mbus_code, 1275ad85094bSMauro Carvalho Chehab .enum_frame_size = gc0310_enum_frame_size, 1276ad85094bSMauro Carvalho Chehab .get_fmt = gc0310_get_fmt, 1277ad85094bSMauro Carvalho Chehab .set_fmt = gc0310_set_fmt, 1278ad85094bSMauro Carvalho Chehab }; 1279ad85094bSMauro Carvalho Chehab 1280ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_ops gc0310_ops = { 1281ad85094bSMauro Carvalho Chehab .core = &gc0310_core_ops, 1282ad85094bSMauro Carvalho Chehab .video = &gc0310_video_ops, 1283ad85094bSMauro Carvalho Chehab .pad = &gc0310_pad_ops, 1284ad85094bSMauro Carvalho Chehab .sensor = &gc0310_sensor_ops, 1285ad85094bSMauro Carvalho Chehab }; 1286ad85094bSMauro Carvalho Chehab 1287ad85094bSMauro Carvalho Chehab static int gc0310_remove(struct i2c_client *client) 1288ad85094bSMauro Carvalho Chehab { 1289ad85094bSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 1290ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1291ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "gc0310_remove...\n"); 1292ad85094bSMauro Carvalho Chehab 1293ad85094bSMauro Carvalho Chehab dev->platform_data->csi_cfg(sd, 0); 1294ad85094bSMauro Carvalho Chehab 1295ad85094bSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd); 1296ad85094bSMauro Carvalho Chehab media_entity_cleanup(&dev->sd.entity); 1297ad85094bSMauro Carvalho Chehab v4l2_ctrl_handler_free(&dev->ctrl_handler); 1298ad85094bSMauro Carvalho Chehab kfree(dev); 1299ad85094bSMauro Carvalho Chehab 1300ad85094bSMauro Carvalho Chehab return 0; 1301ad85094bSMauro Carvalho Chehab } 1302ad85094bSMauro Carvalho Chehab 1303ad85094bSMauro Carvalho Chehab static int gc0310_probe(struct i2c_client *client) 1304ad85094bSMauro Carvalho Chehab { 1305ad85094bSMauro Carvalho Chehab struct gc0310_device *dev; 1306ad85094bSMauro Carvalho Chehab int ret; 1307ad85094bSMauro Carvalho Chehab void *pdata; 1308ad85094bSMauro Carvalho Chehab unsigned int i; 1309ad85094bSMauro Carvalho Chehab 1310ad85094bSMauro Carvalho Chehab pr_info("%s S\n", __func__); 1311ad85094bSMauro Carvalho Chehab dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1312ad85094bSMauro Carvalho Chehab if (!dev) 1313ad85094bSMauro Carvalho Chehab return -ENOMEM; 1314ad85094bSMauro Carvalho Chehab 1315ad85094bSMauro Carvalho Chehab mutex_init(&dev->input_lock); 1316ad85094bSMauro Carvalho Chehab 1317ad85094bSMauro Carvalho Chehab dev->fmt_idx = 0; 1318ad85094bSMauro Carvalho Chehab v4l2_i2c_subdev_init(&(dev->sd), client, &gc0310_ops); 1319ad85094bSMauro Carvalho Chehab 1320ad85094bSMauro Carvalho Chehab pdata = gmin_camera_platform_data(&dev->sd, 1321ad85094bSMauro Carvalho Chehab ATOMISP_INPUT_FORMAT_RAW_8, 1322ad85094bSMauro Carvalho Chehab atomisp_bayer_order_grbg); 1323ad85094bSMauro Carvalho Chehab if (!pdata) { 1324ad85094bSMauro Carvalho Chehab ret = -EINVAL; 1325ad85094bSMauro Carvalho Chehab goto out_free; 1326ad85094bSMauro Carvalho Chehab } 1327ad85094bSMauro Carvalho Chehab 1328ad85094bSMauro Carvalho Chehab ret = gc0310_s_config(&dev->sd, client->irq, pdata); 1329ad85094bSMauro Carvalho Chehab if (ret) 1330ad85094bSMauro Carvalho Chehab goto out_free; 1331ad85094bSMauro Carvalho Chehab 1332ad85094bSMauro Carvalho Chehab ret = atomisp_register_i2c_module(&dev->sd, pdata, RAW_CAMERA); 1333ad85094bSMauro Carvalho Chehab if (ret) 1334ad85094bSMauro Carvalho Chehab goto out_free; 1335ad85094bSMauro Carvalho Chehab 1336ad85094bSMauro Carvalho Chehab dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1337ad85094bSMauro Carvalho Chehab dev->pad.flags = MEDIA_PAD_FL_SOURCE; 1338ad85094bSMauro Carvalho Chehab dev->format.code = MEDIA_BUS_FMT_SGRBG8_1X8; 1339ad85094bSMauro Carvalho Chehab dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 1340ad85094bSMauro Carvalho Chehab ret = 1341ad85094bSMauro Carvalho Chehab v4l2_ctrl_handler_init(&dev->ctrl_handler, 1342ad85094bSMauro Carvalho Chehab ARRAY_SIZE(gc0310_controls)); 1343ad85094bSMauro Carvalho Chehab if (ret) { 1344ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1345ad85094bSMauro Carvalho Chehab return ret; 1346ad85094bSMauro Carvalho Chehab } 1347ad85094bSMauro Carvalho Chehab 1348ad85094bSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(gc0310_controls); i++) 1349ad85094bSMauro Carvalho Chehab v4l2_ctrl_new_custom(&dev->ctrl_handler, &gc0310_controls[i], 1350ad85094bSMauro Carvalho Chehab NULL); 1351ad85094bSMauro Carvalho Chehab 1352ad85094bSMauro Carvalho Chehab if (dev->ctrl_handler.error) { 1353ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1354ad85094bSMauro Carvalho Chehab return dev->ctrl_handler.error; 1355ad85094bSMauro Carvalho Chehab } 1356ad85094bSMauro Carvalho Chehab 1357ad85094bSMauro Carvalho Chehab /* Use same lock for controls as for everything else. */ 1358ad85094bSMauro Carvalho Chehab dev->ctrl_handler.lock = &dev->input_lock; 1359ad85094bSMauro Carvalho Chehab dev->sd.ctrl_handler = &dev->ctrl_handler; 1360ad85094bSMauro Carvalho Chehab 1361ad85094bSMauro Carvalho Chehab ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad); 1362ad85094bSMauro Carvalho Chehab if (ret) 1363ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1364ad85094bSMauro Carvalho Chehab 1365ad85094bSMauro Carvalho Chehab pr_info("%s E\n", __func__); 1366ad85094bSMauro Carvalho Chehab return ret; 1367ad85094bSMauro Carvalho Chehab out_free: 1368ad85094bSMauro Carvalho Chehab v4l2_device_unregister_subdev(&dev->sd); 1369ad85094bSMauro Carvalho Chehab kfree(dev); 1370ad85094bSMauro Carvalho Chehab return ret; 1371ad85094bSMauro Carvalho Chehab } 1372ad85094bSMauro Carvalho Chehab 1373ad85094bSMauro Carvalho Chehab static const struct acpi_device_id gc0310_acpi_match[] = { 1374ad85094bSMauro Carvalho Chehab {"XXGC0310"}, 1375ad85094bSMauro Carvalho Chehab {"INT0310"}, 1376ad85094bSMauro Carvalho Chehab {}, 1377ad85094bSMauro Carvalho Chehab }; 1378ad85094bSMauro Carvalho Chehab MODULE_DEVICE_TABLE(acpi, gc0310_acpi_match); 1379ad85094bSMauro Carvalho Chehab 1380ad85094bSMauro Carvalho Chehab static struct i2c_driver gc0310_driver = { 1381ad85094bSMauro Carvalho Chehab .driver = { 1382ad85094bSMauro Carvalho Chehab .name = "gc0310", 1383ad85094bSMauro Carvalho Chehab .acpi_match_table = gc0310_acpi_match, 1384ad85094bSMauro Carvalho Chehab }, 1385ad85094bSMauro Carvalho Chehab .probe_new = gc0310_probe, 1386ad85094bSMauro Carvalho Chehab .remove = gc0310_remove, 1387ad85094bSMauro Carvalho Chehab }; 1388ad85094bSMauro Carvalho Chehab module_i2c_driver(gc0310_driver); 1389ad85094bSMauro Carvalho Chehab 1390ad85094bSMauro Carvalho Chehab MODULE_AUTHOR("Lai, Angie <angie.lai@intel.com>"); 1391ad85094bSMauro Carvalho Chehab MODULE_DESCRIPTION("A low-level driver for GalaxyCore GC0310 sensors"); 1392ad85094bSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 1393