1f5fbb83fSMauro Carvalho Chehab // SPDX-License-Identifier: GPL-2.0 2ad85094bSMauro Carvalho Chehab /* 3ad85094bSMauro Carvalho Chehab * Support for GalaxyCore GC0310 VGA camera sensor. 4ad85094bSMauro Carvalho Chehab * 5ad85094bSMauro Carvalho Chehab * Copyright (c) 2013 Intel Corporation. All Rights Reserved. 6ad85094bSMauro Carvalho Chehab * 7ad85094bSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or 8ad85094bSMauro Carvalho Chehab * modify it under the terms of the GNU General Public License version 9ad85094bSMauro Carvalho Chehab * 2 as published by the Free Software Foundation. 10ad85094bSMauro Carvalho Chehab * 11ad85094bSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 12ad85094bSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 13ad85094bSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14ad85094bSMauro Carvalho Chehab * GNU General Public License for more details. 15ad85094bSMauro Carvalho Chehab * 16ad85094bSMauro Carvalho Chehab */ 17ad85094bSMauro Carvalho Chehab 18ad85094bSMauro Carvalho Chehab #include <linux/module.h> 19ad85094bSMauro Carvalho Chehab #include <linux/types.h> 20ad85094bSMauro Carvalho Chehab #include <linux/kernel.h> 21ad85094bSMauro Carvalho Chehab #include <linux/mm.h> 22ad85094bSMauro Carvalho Chehab #include <linux/string.h> 23ad85094bSMauro Carvalho Chehab #include <linux/errno.h> 24ad85094bSMauro Carvalho Chehab #include <linux/init.h> 25ad85094bSMauro Carvalho Chehab #include <linux/kmod.h> 26ad85094bSMauro Carvalho Chehab #include <linux/device.h> 27ad85094bSMauro Carvalho Chehab #include <linux/delay.h> 28ad85094bSMauro Carvalho Chehab #include <linux/slab.h> 29ad85094bSMauro Carvalho Chehab #include <linux/i2c.h> 30ad85094bSMauro Carvalho Chehab #include <linux/moduleparam.h> 31ad85094bSMauro Carvalho Chehab #include <media/v4l2-device.h> 32ad85094bSMauro Carvalho Chehab #include <linux/io.h> 33ad85094bSMauro Carvalho Chehab #include "../include/linux/atomisp_gmin_platform.h" 34ad85094bSMauro Carvalho Chehab 35ad85094bSMauro Carvalho Chehab #include "gc0310.h" 36ad85094bSMauro Carvalho Chehab 37ad85094bSMauro Carvalho Chehab /* i2c read/write stuff */ 38ad85094bSMauro Carvalho Chehab static int gc0310_read_reg(struct i2c_client *client, 39ad85094bSMauro Carvalho Chehab u16 data_length, u8 reg, u8 *val) 40ad85094bSMauro Carvalho Chehab { 41ad85094bSMauro Carvalho Chehab int err; 42ad85094bSMauro Carvalho Chehab struct i2c_msg msg[2]; 43ad85094bSMauro Carvalho Chehab unsigned char data[1]; 44ad85094bSMauro Carvalho Chehab 45ad85094bSMauro Carvalho Chehab if (!client->adapter) { 46ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s error, no client->adapter\n", 47ad85094bSMauro Carvalho Chehab __func__); 48ad85094bSMauro Carvalho Chehab return -ENODEV; 49ad85094bSMauro Carvalho Chehab } 50ad85094bSMauro Carvalho Chehab 51ad85094bSMauro Carvalho Chehab if (data_length != GC0310_8BIT) { 52ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s error, invalid data length\n", 53ad85094bSMauro Carvalho Chehab __func__); 54ad85094bSMauro Carvalho Chehab return -EINVAL; 55ad85094bSMauro Carvalho Chehab } 56ad85094bSMauro Carvalho Chehab 57ad85094bSMauro Carvalho Chehab memset(msg, 0, sizeof(msg)); 58ad85094bSMauro Carvalho Chehab 59ad85094bSMauro Carvalho Chehab msg[0].addr = client->addr; 60ad85094bSMauro Carvalho Chehab msg[0].flags = 0; 61ad85094bSMauro Carvalho Chehab msg[0].len = I2C_MSG_LENGTH; 62ad85094bSMauro Carvalho Chehab msg[0].buf = data; 63ad85094bSMauro Carvalho Chehab 64ad85094bSMauro Carvalho Chehab /* high byte goes out first */ 65ad85094bSMauro Carvalho Chehab data[0] = (u8)(reg & 0xff); 66ad85094bSMauro Carvalho Chehab 67ad85094bSMauro Carvalho Chehab msg[1].addr = client->addr; 68ad85094bSMauro Carvalho Chehab msg[1].len = data_length; 69ad85094bSMauro Carvalho Chehab msg[1].flags = I2C_M_RD; 70ad85094bSMauro Carvalho Chehab msg[1].buf = data; 71ad85094bSMauro Carvalho Chehab 72ad85094bSMauro Carvalho Chehab err = i2c_transfer(client->adapter, msg, 2); 73ad85094bSMauro Carvalho Chehab if (err != 2) { 74ad85094bSMauro Carvalho Chehab if (err >= 0) 75ad85094bSMauro Carvalho Chehab err = -EIO; 76ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 77ad85094bSMauro Carvalho Chehab "read from offset 0x%x error %d", reg, err); 78ad85094bSMauro Carvalho Chehab return err; 79ad85094bSMauro Carvalho Chehab } 80ad85094bSMauro Carvalho Chehab 81ad85094bSMauro Carvalho Chehab *val = 0; 82ad85094bSMauro Carvalho Chehab /* high byte comes first */ 83ad85094bSMauro Carvalho Chehab if (data_length == GC0310_8BIT) 84ad85094bSMauro Carvalho Chehab *val = (u8)data[0]; 85ad85094bSMauro Carvalho Chehab 86ad85094bSMauro Carvalho Chehab return 0; 87ad85094bSMauro Carvalho Chehab } 88ad85094bSMauro Carvalho Chehab 89ad85094bSMauro Carvalho Chehab static int gc0310_i2c_write(struct i2c_client *client, u16 len, u8 *data) 90ad85094bSMauro Carvalho Chehab { 91ad85094bSMauro Carvalho Chehab struct i2c_msg msg; 92ad85094bSMauro Carvalho Chehab const int num_msg = 1; 93ad85094bSMauro Carvalho Chehab int ret; 94ad85094bSMauro Carvalho Chehab 95ad85094bSMauro Carvalho Chehab msg.addr = client->addr; 96ad85094bSMauro Carvalho Chehab msg.flags = 0; 97ad85094bSMauro Carvalho Chehab msg.len = len; 98ad85094bSMauro Carvalho Chehab msg.buf = data; 99ad85094bSMauro Carvalho Chehab ret = i2c_transfer(client->adapter, &msg, 1); 100ad85094bSMauro Carvalho Chehab 101ad85094bSMauro Carvalho Chehab return ret == num_msg ? 0 : -EIO; 102ad85094bSMauro Carvalho Chehab } 103ad85094bSMauro Carvalho Chehab 104ad85094bSMauro Carvalho Chehab static int gc0310_write_reg(struct i2c_client *client, u16 data_length, 105ad85094bSMauro Carvalho Chehab u8 reg, u8 val) 106ad85094bSMauro Carvalho Chehab { 107ad85094bSMauro Carvalho Chehab int ret; 108ad85094bSMauro Carvalho Chehab unsigned char data[2] = {0}; 109ad85094bSMauro Carvalho Chehab u8 *wreg = (u8 *)data; 110ad85094bSMauro Carvalho Chehab const u16 len = data_length + sizeof(u8); /* 8-bit address + data */ 111ad85094bSMauro Carvalho Chehab 112ad85094bSMauro Carvalho Chehab if (data_length != GC0310_8BIT) { 113ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 114ad85094bSMauro Carvalho Chehab "%s error, invalid data_length\n", __func__); 115ad85094bSMauro Carvalho Chehab return -EINVAL; 116ad85094bSMauro Carvalho Chehab } 117ad85094bSMauro Carvalho Chehab 118ad85094bSMauro Carvalho Chehab /* high byte goes out first */ 119ad85094bSMauro Carvalho Chehab *wreg = (u8)(reg & 0xff); 120ad85094bSMauro Carvalho Chehab 121ad85094bSMauro Carvalho Chehab if (data_length == GC0310_8BIT) 122ad85094bSMauro Carvalho Chehab data[1] = (u8)(val); 123ad85094bSMauro Carvalho Chehab 124ad85094bSMauro Carvalho Chehab ret = gc0310_i2c_write(client, len, data); 125ad85094bSMauro Carvalho Chehab if (ret) 126ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 127ad85094bSMauro Carvalho Chehab "write error: wrote 0x%x to offset 0x%x error %d", 128ad85094bSMauro Carvalho Chehab val, reg, ret); 129ad85094bSMauro Carvalho Chehab 130ad85094bSMauro Carvalho Chehab return ret; 131ad85094bSMauro Carvalho Chehab } 132ad85094bSMauro Carvalho Chehab 133ad85094bSMauro Carvalho Chehab /* 134ad85094bSMauro Carvalho Chehab * gc0310_write_reg_array - Initializes a list of GC0310 registers 135ad85094bSMauro Carvalho Chehab * @client: i2c driver client structure 136ad85094bSMauro Carvalho Chehab * @reglist: list of registers to be written 137ad85094bSMauro Carvalho Chehab * 138ad85094bSMauro Carvalho Chehab * This function initializes a list of registers. When consecutive addresses 139ad85094bSMauro Carvalho Chehab * are found in a row on the list, this function creates a buffer and sends 140ad85094bSMauro Carvalho Chehab * consecutive data in a single i2c_transfer(). 141ad85094bSMauro Carvalho Chehab * 142ad85094bSMauro Carvalho Chehab * __gc0310_flush_reg_array, __gc0310_buf_reg_array() and 143ad85094bSMauro Carvalho Chehab * __gc0310_write_reg_is_consecutive() are internal functions to 144ad85094bSMauro Carvalho Chehab * gc0310_write_reg_array_fast() and should be not used anywhere else. 145ad85094bSMauro Carvalho Chehab * 146ad85094bSMauro Carvalho Chehab */ 147ad85094bSMauro Carvalho Chehab 148ad85094bSMauro Carvalho Chehab static int __gc0310_flush_reg_array(struct i2c_client *client, 149ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl) 150ad85094bSMauro Carvalho Chehab { 151ad85094bSMauro Carvalho Chehab u16 size; 152ad85094bSMauro Carvalho Chehab 153ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 154ad85094bSMauro Carvalho Chehab return 0; 155ad85094bSMauro Carvalho Chehab 156ad85094bSMauro Carvalho Chehab size = sizeof(u8) + ctrl->index; /* 8-bit address + data */ 157ad85094bSMauro Carvalho Chehab ctrl->buffer.addr = (u8)(ctrl->buffer.addr); 158ad85094bSMauro Carvalho Chehab ctrl->index = 0; 159ad85094bSMauro Carvalho Chehab 160ad85094bSMauro Carvalho Chehab return gc0310_i2c_write(client, size, (u8 *)&ctrl->buffer); 161ad85094bSMauro Carvalho Chehab } 162ad85094bSMauro Carvalho Chehab 163ad85094bSMauro Carvalho Chehab static int __gc0310_buf_reg_array(struct i2c_client *client, 164ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl, 165ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next) 166ad85094bSMauro Carvalho Chehab { 167ad85094bSMauro Carvalho Chehab int size; 168ad85094bSMauro Carvalho Chehab 169ad85094bSMauro Carvalho Chehab switch (next->type) { 170ad85094bSMauro Carvalho Chehab case GC0310_8BIT: 171ad85094bSMauro Carvalho Chehab size = 1; 172ad85094bSMauro Carvalho Chehab ctrl->buffer.data[ctrl->index] = (u8)next->val; 173ad85094bSMauro Carvalho Chehab break; 174ad85094bSMauro Carvalho Chehab default: 175ad85094bSMauro Carvalho Chehab return -EINVAL; 176ad85094bSMauro Carvalho Chehab } 177ad85094bSMauro Carvalho Chehab 178ad85094bSMauro Carvalho Chehab /* When first item is added, we need to store its starting address */ 179ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 180ad85094bSMauro Carvalho Chehab ctrl->buffer.addr = next->reg; 181ad85094bSMauro Carvalho Chehab 182ad85094bSMauro Carvalho Chehab ctrl->index += size; 183ad85094bSMauro Carvalho Chehab 184ad85094bSMauro Carvalho Chehab /* 185ad85094bSMauro Carvalho Chehab * Buffer cannot guarantee free space for u32? Better flush it to avoid 186ad85094bSMauro Carvalho Chehab * possible lack of memory for next item. 187ad85094bSMauro Carvalho Chehab */ 188ad85094bSMauro Carvalho Chehab if (ctrl->index + sizeof(u8) >= GC0310_MAX_WRITE_BUF_SIZE) 189ad85094bSMauro Carvalho Chehab return __gc0310_flush_reg_array(client, ctrl); 190ad85094bSMauro Carvalho Chehab 191ad85094bSMauro Carvalho Chehab return 0; 192ad85094bSMauro Carvalho Chehab } 193ad85094bSMauro Carvalho Chehab 194ad85094bSMauro Carvalho Chehab static int __gc0310_write_reg_is_consecutive(struct i2c_client *client, 195ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl *ctrl, 196ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next) 197ad85094bSMauro Carvalho Chehab { 198ad85094bSMauro Carvalho Chehab if (ctrl->index == 0) 199ad85094bSMauro Carvalho Chehab return 1; 200ad85094bSMauro Carvalho Chehab 201ad85094bSMauro Carvalho Chehab return ctrl->buffer.addr + ctrl->index == next->reg; 202ad85094bSMauro Carvalho Chehab } 203ad85094bSMauro Carvalho Chehab 204ad85094bSMauro Carvalho Chehab static int gc0310_write_reg_array(struct i2c_client *client, 205ad85094bSMauro Carvalho Chehab const struct gc0310_reg *reglist) 206ad85094bSMauro Carvalho Chehab { 207ad85094bSMauro Carvalho Chehab const struct gc0310_reg *next = reglist; 208ad85094bSMauro Carvalho Chehab struct gc0310_write_ctrl ctrl; 209ad85094bSMauro Carvalho Chehab int err; 210ad85094bSMauro Carvalho Chehab 211ad85094bSMauro Carvalho Chehab ctrl.index = 0; 212ad85094bSMauro Carvalho Chehab for (; next->type != GC0310_TOK_TERM; next++) { 213ad85094bSMauro Carvalho Chehab switch (next->type & GC0310_TOK_MASK) { 214ad85094bSMauro Carvalho Chehab case GC0310_TOK_DELAY: 215ad85094bSMauro Carvalho Chehab err = __gc0310_flush_reg_array(client, &ctrl); 216ad85094bSMauro Carvalho Chehab if (err) 217ad85094bSMauro Carvalho Chehab return err; 218ad85094bSMauro Carvalho Chehab msleep(next->val); 219ad85094bSMauro Carvalho Chehab break; 220ad85094bSMauro Carvalho Chehab default: 221ad85094bSMauro Carvalho Chehab /* 222ad85094bSMauro Carvalho Chehab * If next address is not consecutive, data needs to be 223ad85094bSMauro Carvalho Chehab * flushed before proceed. 224ad85094bSMauro Carvalho Chehab */ 225ad85094bSMauro Carvalho Chehab if (!__gc0310_write_reg_is_consecutive(client, &ctrl, 226ad85094bSMauro Carvalho Chehab next)) { 227ad85094bSMauro Carvalho Chehab err = __gc0310_flush_reg_array(client, &ctrl); 228ad85094bSMauro Carvalho Chehab if (err) 229ad85094bSMauro Carvalho Chehab return err; 230ad85094bSMauro Carvalho Chehab } 231ad85094bSMauro Carvalho Chehab err = __gc0310_buf_reg_array(client, &ctrl, next); 232ad85094bSMauro Carvalho Chehab if (err) { 233ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "%s: write error, aborted\n", 234ad85094bSMauro Carvalho Chehab __func__); 235ad85094bSMauro Carvalho Chehab return err; 236ad85094bSMauro Carvalho Chehab } 237ad85094bSMauro Carvalho Chehab break; 238ad85094bSMauro Carvalho Chehab } 239ad85094bSMauro Carvalho Chehab } 240ad85094bSMauro Carvalho Chehab 241ad85094bSMauro Carvalho Chehab return __gc0310_flush_reg_array(client, &ctrl); 242ad85094bSMauro Carvalho Chehab } 243bdfe0bebSMauro Carvalho Chehab 244ad85094bSMauro Carvalho Chehab static int gc0310_g_focal(struct v4l2_subdev *sd, s32 *val) 245ad85094bSMauro Carvalho Chehab { 246ad85094bSMauro Carvalho Chehab *val = (GC0310_FOCAL_LENGTH_NUM << 16) | GC0310_FOCAL_LENGTH_DEM; 247ad85094bSMauro Carvalho Chehab return 0; 248ad85094bSMauro Carvalho Chehab } 249ad85094bSMauro Carvalho Chehab 250ad85094bSMauro Carvalho Chehab static int gc0310_g_fnumber(struct v4l2_subdev *sd, s32 *val) 251ad85094bSMauro Carvalho Chehab { 252ad85094bSMauro Carvalho Chehab /*const f number for imx*/ 253ad85094bSMauro Carvalho Chehab *val = (GC0310_F_NUMBER_DEFAULT_NUM << 16) | GC0310_F_NUMBER_DEM; 254ad85094bSMauro Carvalho Chehab return 0; 255ad85094bSMauro Carvalho Chehab } 256ad85094bSMauro Carvalho Chehab 257ad85094bSMauro Carvalho Chehab static int gc0310_g_fnumber_range(struct v4l2_subdev *sd, s32 *val) 258ad85094bSMauro Carvalho Chehab { 259ad85094bSMauro Carvalho Chehab *val = (GC0310_F_NUMBER_DEFAULT_NUM << 24) | 260ad85094bSMauro Carvalho Chehab (GC0310_F_NUMBER_DEM << 16) | 261ad85094bSMauro Carvalho Chehab (GC0310_F_NUMBER_DEFAULT_NUM << 8) | GC0310_F_NUMBER_DEM; 262ad85094bSMauro Carvalho Chehab return 0; 263ad85094bSMauro Carvalho Chehab } 264ad85094bSMauro Carvalho Chehab 265ad85094bSMauro Carvalho Chehab static int gc0310_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val) 266ad85094bSMauro Carvalho Chehab { 267ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 268ad85094bSMauro Carvalho Chehab 269ad85094bSMauro Carvalho Chehab *val = gc0310_res[dev->fmt_idx].bin_factor_x; 270ad85094bSMauro Carvalho Chehab 271ad85094bSMauro Carvalho Chehab return 0; 272ad85094bSMauro Carvalho Chehab } 273ad85094bSMauro Carvalho Chehab 274ad85094bSMauro Carvalho Chehab static int gc0310_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val) 275ad85094bSMauro Carvalho Chehab { 276ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 277ad85094bSMauro Carvalho Chehab 278ad85094bSMauro Carvalho Chehab *val = gc0310_res[dev->fmt_idx].bin_factor_y; 279ad85094bSMauro Carvalho Chehab 280ad85094bSMauro Carvalho Chehab return 0; 281ad85094bSMauro Carvalho Chehab } 282ad85094bSMauro Carvalho Chehab 283ad85094bSMauro Carvalho Chehab static int gc0310_get_intg_factor(struct i2c_client *client, 284ad85094bSMauro Carvalho Chehab struct camera_mipi_info *info, 285ad85094bSMauro Carvalho Chehab const struct gc0310_resolution *res) 286ad85094bSMauro Carvalho Chehab { 287ad85094bSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 288ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 289ad85094bSMauro Carvalho Chehab struct atomisp_sensor_mode_data *buf = &info->data; 290ad85094bSMauro Carvalho Chehab u16 val; 291ad85094bSMauro Carvalho Chehab u8 reg_val; 292ad85094bSMauro Carvalho Chehab int ret; 293ad85094bSMauro Carvalho Chehab unsigned int hori_blanking; 294ad85094bSMauro Carvalho Chehab unsigned int vert_blanking; 295ad85094bSMauro Carvalho Chehab unsigned int sh_delay; 296ad85094bSMauro Carvalho Chehab 297ad85094bSMauro Carvalho Chehab if (!info) 298ad85094bSMauro Carvalho Chehab return -EINVAL; 299ad85094bSMauro Carvalho Chehab 300ad85094bSMauro Carvalho Chehab /* pixel clock calculattion */ 301ad85094bSMauro Carvalho Chehab dev->vt_pix_clk_freq_mhz = 14400000; // 16.8MHz 302ad85094bSMauro Carvalho Chehab buf->vt_pix_clk_freq_mhz = dev->vt_pix_clk_freq_mhz; 3032dfc978aSDeepak R Varma dev_dbg(&client->dev, "vt_pix_clk_freq_mhz=%d\n", buf->vt_pix_clk_freq_mhz); 304ad85094bSMauro Carvalho Chehab 305ad85094bSMauro Carvalho Chehab /* get integration time */ 306ad85094bSMauro Carvalho Chehab buf->coarse_integration_time_min = GC0310_COARSE_INTG_TIME_MIN; 307ad85094bSMauro Carvalho Chehab buf->coarse_integration_time_max_margin = 308ad85094bSMauro Carvalho Chehab GC0310_COARSE_INTG_TIME_MAX_MARGIN; 309ad85094bSMauro Carvalho Chehab 310ad85094bSMauro Carvalho Chehab buf->fine_integration_time_min = GC0310_FINE_INTG_TIME_MIN; 311ad85094bSMauro Carvalho Chehab buf->fine_integration_time_max_margin = 312ad85094bSMauro Carvalho Chehab GC0310_FINE_INTG_TIME_MAX_MARGIN; 313ad85094bSMauro Carvalho Chehab 314ad85094bSMauro Carvalho Chehab buf->fine_integration_time_def = GC0310_FINE_INTG_TIME_MIN; 315ad85094bSMauro Carvalho Chehab buf->read_mode = res->bin_mode; 316ad85094bSMauro Carvalho Chehab 317ad85094bSMauro Carvalho Chehab /* get the cropping and output resolution to ISP for this mode. */ 318ad85094bSMauro Carvalho Chehab /* Getting crop_horizontal_start */ 319ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 320ad85094bSMauro Carvalho Chehab GC0310_H_CROP_START_H, ®_val); 321ad85094bSMauro Carvalho Chehab if (ret) 322ad85094bSMauro Carvalho Chehab return ret; 323ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 324ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 325ad85094bSMauro Carvalho Chehab GC0310_H_CROP_START_L, ®_val); 326ad85094bSMauro Carvalho Chehab if (ret) 327ad85094bSMauro Carvalho Chehab return ret; 328ad85094bSMauro Carvalho Chehab buf->crop_horizontal_start = val | (reg_val & 0xFF); 3292dfc978aSDeepak R Varma dev_dbg(&client->dev, "crop_horizontal_start=%d\n", buf->crop_horizontal_start); 330ad85094bSMauro Carvalho Chehab 331ad85094bSMauro Carvalho Chehab /* Getting crop_vertical_start */ 332ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 333ad85094bSMauro Carvalho Chehab GC0310_V_CROP_START_H, ®_val); 334ad85094bSMauro Carvalho Chehab if (ret) 335ad85094bSMauro Carvalho Chehab return ret; 336ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 337ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 338ad85094bSMauro Carvalho Chehab GC0310_V_CROP_START_L, ®_val); 339ad85094bSMauro Carvalho Chehab if (ret) 340ad85094bSMauro Carvalho Chehab return ret; 341ad85094bSMauro Carvalho Chehab buf->crop_vertical_start = val | (reg_val & 0xFF); 3422dfc978aSDeepak R Varma dev_dbg(&client->dev, "crop_vertical_start=%d\n", buf->crop_vertical_start); 343ad85094bSMauro Carvalho Chehab 344ad85094bSMauro Carvalho Chehab /* Getting output_width */ 345ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 346ad85094bSMauro Carvalho Chehab GC0310_H_OUTSIZE_H, ®_val); 347ad85094bSMauro Carvalho Chehab if (ret) 348ad85094bSMauro Carvalho Chehab return ret; 349ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 350ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 351ad85094bSMauro Carvalho Chehab GC0310_H_OUTSIZE_L, ®_val); 352ad85094bSMauro Carvalho Chehab if (ret) 353ad85094bSMauro Carvalho Chehab return ret; 354ad85094bSMauro Carvalho Chehab buf->output_width = val | (reg_val & 0xFF); 3552dfc978aSDeepak R Varma dev_dbg(&client->dev, "output_width=%d\n", buf->output_width); 356ad85094bSMauro Carvalho Chehab 357ad85094bSMauro Carvalho Chehab /* Getting output_height */ 358ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 359ad85094bSMauro Carvalho Chehab GC0310_V_OUTSIZE_H, ®_val); 360ad85094bSMauro Carvalho Chehab if (ret) 361ad85094bSMauro Carvalho Chehab return ret; 362ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 363ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 364ad85094bSMauro Carvalho Chehab GC0310_V_OUTSIZE_L, ®_val); 365ad85094bSMauro Carvalho Chehab if (ret) 366ad85094bSMauro Carvalho Chehab return ret; 367ad85094bSMauro Carvalho Chehab buf->output_height = val | (reg_val & 0xFF); 3682dfc978aSDeepak R Varma dev_dbg(&client->dev, "output_height=%d\n", buf->output_height); 369ad85094bSMauro Carvalho Chehab 370ad85094bSMauro Carvalho Chehab buf->crop_horizontal_end = buf->crop_horizontal_start + buf->output_width - 1; 371ad85094bSMauro Carvalho Chehab buf->crop_vertical_end = buf->crop_vertical_start + buf->output_height - 1; 3722dfc978aSDeepak R Varma dev_dbg(&client->dev, "crop_horizontal_end=%d\n", buf->crop_horizontal_end); 3732dfc978aSDeepak R Varma dev_dbg(&client->dev, "crop_vertical_end=%d\n", buf->crop_vertical_end); 374ad85094bSMauro Carvalho Chehab 375ad85094bSMauro Carvalho Chehab /* Getting line_length_pck */ 376ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 377ad85094bSMauro Carvalho Chehab GC0310_H_BLANKING_H, ®_val); 378ad85094bSMauro Carvalho Chehab if (ret) 379ad85094bSMauro Carvalho Chehab return ret; 380ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 381ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 382ad85094bSMauro Carvalho Chehab GC0310_H_BLANKING_L, ®_val); 383ad85094bSMauro Carvalho Chehab if (ret) 384ad85094bSMauro Carvalho Chehab return ret; 385ad85094bSMauro Carvalho Chehab hori_blanking = val | (reg_val & 0xFF); 386ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 387ad85094bSMauro Carvalho Chehab GC0310_SH_DELAY, ®_val); 388ad85094bSMauro Carvalho Chehab if (ret) 389ad85094bSMauro Carvalho Chehab return ret; 390ad85094bSMauro Carvalho Chehab sh_delay = reg_val; 391ad85094bSMauro Carvalho Chehab buf->line_length_pck = buf->output_width + hori_blanking + sh_delay + 4; 3922dfc978aSDeepak R Varma dev_dbg(&client->dev, "hori_blanking=%d sh_delay=%d line_length_pck=%d\n", hori_blanking, 393eaa399ebSMauro Carvalho Chehab sh_delay, buf->line_length_pck); 394ad85094bSMauro Carvalho Chehab 395ad85094bSMauro Carvalho Chehab /* Getting frame_length_lines */ 396ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 397ad85094bSMauro Carvalho Chehab GC0310_V_BLANKING_H, ®_val); 398ad85094bSMauro Carvalho Chehab if (ret) 399ad85094bSMauro Carvalho Chehab return ret; 400ad85094bSMauro Carvalho Chehab val = (reg_val & 0xFF) << 8; 401ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 402ad85094bSMauro Carvalho Chehab GC0310_V_BLANKING_L, ®_val); 403ad85094bSMauro Carvalho Chehab if (ret) 404ad85094bSMauro Carvalho Chehab return ret; 405ad85094bSMauro Carvalho Chehab vert_blanking = val | (reg_val & 0xFF); 406ad85094bSMauro Carvalho Chehab buf->frame_length_lines = buf->output_height + vert_blanking; 4072dfc978aSDeepak R Varma dev_dbg(&client->dev, "vert_blanking=%d frame_length_lines=%d\n", vert_blanking, 408eaa399ebSMauro Carvalho Chehab buf->frame_length_lines); 409ad85094bSMauro Carvalho Chehab 410ad85094bSMauro Carvalho Chehab buf->binning_factor_x = res->bin_factor_x ? 411ad85094bSMauro Carvalho Chehab res->bin_factor_x : 1; 412ad85094bSMauro Carvalho Chehab buf->binning_factor_y = res->bin_factor_y ? 413ad85094bSMauro Carvalho Chehab res->bin_factor_y : 1; 414ad85094bSMauro Carvalho Chehab return 0; 415ad85094bSMauro Carvalho Chehab } 416ad85094bSMauro Carvalho Chehab 417ad85094bSMauro Carvalho Chehab static int gc0310_set_gain(struct v4l2_subdev *sd, int gain) 418ad85094bSMauro Carvalho Chehab 419ad85094bSMauro Carvalho Chehab { 420ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 421ad85094bSMauro Carvalho Chehab int ret; 422ad85094bSMauro Carvalho Chehab u8 again, dgain; 423ad85094bSMauro Carvalho Chehab 424ad85094bSMauro Carvalho Chehab if (gain < 0x20) 425ad85094bSMauro Carvalho Chehab gain = 0x20; 426ad85094bSMauro Carvalho Chehab if (gain > 0x80) 427ad85094bSMauro Carvalho Chehab gain = 0x80; 428ad85094bSMauro Carvalho Chehab 429ad85094bSMauro Carvalho Chehab if (gain >= 0x20 && gain < 0x40) { 430ad85094bSMauro Carvalho Chehab again = 0x0; /* sqrt(2) */ 431ad85094bSMauro Carvalho Chehab dgain = gain; 432ad85094bSMauro Carvalho Chehab } else { 433ad85094bSMauro Carvalho Chehab again = 0x2; /* 2 * sqrt(2) */ 434ad85094bSMauro Carvalho Chehab dgain = gain / 2; 435ad85094bSMauro Carvalho Chehab } 436ad85094bSMauro Carvalho Chehab 4372dfc978aSDeepak R Varma dev_dbg(&client->dev, "gain=0x%x again=0x%x dgain=0x%x\n", gain, again, dgain); 438ad85094bSMauro Carvalho Chehab 439ad85094bSMauro Carvalho Chehab /* set analog gain */ 440ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 441ad85094bSMauro Carvalho Chehab GC0310_AGC_ADJ, again); 442ad85094bSMauro Carvalho Chehab if (ret) 443ad85094bSMauro Carvalho Chehab return ret; 444ad85094bSMauro Carvalho Chehab 445ad85094bSMauro Carvalho Chehab /* set digital gain */ 446ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 447ad85094bSMauro Carvalho Chehab GC0310_DGC_ADJ, dgain); 448ad85094bSMauro Carvalho Chehab if (ret) 449ad85094bSMauro Carvalho Chehab return ret; 450ad85094bSMauro Carvalho Chehab 451ad85094bSMauro Carvalho Chehab return 0; 452ad85094bSMauro Carvalho Chehab } 453ad85094bSMauro Carvalho Chehab 454ad85094bSMauro Carvalho Chehab static int __gc0310_set_exposure(struct v4l2_subdev *sd, int coarse_itg, 455ad85094bSMauro Carvalho Chehab int gain, int digitgain) 456ad85094bSMauro Carvalho Chehab 457ad85094bSMauro Carvalho Chehab { 458ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 459ad85094bSMauro Carvalho Chehab int ret; 460ad85094bSMauro Carvalho Chehab 4612dfc978aSDeepak R Varma dev_dbg(&client->dev, "coarse_itg=%d gain=%d digitgain=%d\n", coarse_itg, gain, digitgain); 462ad85094bSMauro Carvalho Chehab 463ad85094bSMauro Carvalho Chehab /* set exposure */ 464ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 465ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_L, 466ad85094bSMauro Carvalho Chehab coarse_itg & 0xff); 467ad85094bSMauro Carvalho Chehab if (ret) 468ad85094bSMauro Carvalho Chehab return ret; 469ad85094bSMauro Carvalho Chehab 470ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 471ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_H, 472ad85094bSMauro Carvalho Chehab (coarse_itg >> 8) & 0x0f); 473ad85094bSMauro Carvalho Chehab if (ret) 474ad85094bSMauro Carvalho Chehab return ret; 475ad85094bSMauro Carvalho Chehab 476ad85094bSMauro Carvalho Chehab ret = gc0310_set_gain(sd, gain); 477ad85094bSMauro Carvalho Chehab if (ret) 478ad85094bSMauro Carvalho Chehab return ret; 479ad85094bSMauro Carvalho Chehab 480ad85094bSMauro Carvalho Chehab return ret; 481ad85094bSMauro Carvalho Chehab } 482ad85094bSMauro Carvalho Chehab 483ad85094bSMauro Carvalho Chehab static int gc0310_set_exposure(struct v4l2_subdev *sd, int exposure, 484ad85094bSMauro Carvalho Chehab int gain, int digitgain) 485ad85094bSMauro Carvalho Chehab { 486ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 487ad85094bSMauro Carvalho Chehab int ret; 488ad85094bSMauro Carvalho Chehab 489ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 490ad85094bSMauro Carvalho Chehab ret = __gc0310_set_exposure(sd, exposure, gain, digitgain); 491ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 492ad85094bSMauro Carvalho Chehab 493ad85094bSMauro Carvalho Chehab return ret; 494ad85094bSMauro Carvalho Chehab } 495ad85094bSMauro Carvalho Chehab 496ad85094bSMauro Carvalho Chehab static long gc0310_s_exposure(struct v4l2_subdev *sd, 497ad85094bSMauro Carvalho Chehab struct atomisp_exposure *exposure) 498ad85094bSMauro Carvalho Chehab { 499ad85094bSMauro Carvalho Chehab int exp = exposure->integration_time[0]; 500ad85094bSMauro Carvalho Chehab int gain = exposure->gain[0]; 501ad85094bSMauro Carvalho Chehab int digitgain = exposure->gain[1]; 502ad85094bSMauro Carvalho Chehab 503ad85094bSMauro Carvalho Chehab /* we should not accept the invalid value below. */ 504ad85094bSMauro Carvalho Chehab if (gain == 0) { 505ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 506bdfe0bebSMauro Carvalho Chehab 507ad85094bSMauro Carvalho Chehab v4l2_err(client, "%s: invalid value\n", __func__); 508ad85094bSMauro Carvalho Chehab return -EINVAL; 509ad85094bSMauro Carvalho Chehab } 510ad85094bSMauro Carvalho Chehab 511ad85094bSMauro Carvalho Chehab return gc0310_set_exposure(sd, exp, gain, digitgain); 512ad85094bSMauro Carvalho Chehab } 513ad85094bSMauro Carvalho Chehab 514ad85094bSMauro Carvalho Chehab /* TO DO */ 515ad85094bSMauro Carvalho Chehab static int gc0310_v_flip(struct v4l2_subdev *sd, s32 value) 516ad85094bSMauro Carvalho Chehab { 517ad85094bSMauro Carvalho Chehab return 0; 518ad85094bSMauro Carvalho Chehab } 519ad85094bSMauro Carvalho Chehab 520ad85094bSMauro Carvalho Chehab /* TO DO */ 521ad85094bSMauro Carvalho Chehab static int gc0310_h_flip(struct v4l2_subdev *sd, s32 value) 522ad85094bSMauro Carvalho Chehab { 523ad85094bSMauro Carvalho Chehab return 0; 524ad85094bSMauro Carvalho Chehab } 525ad85094bSMauro Carvalho Chehab 526ad85094bSMauro Carvalho Chehab static long gc0310_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) 527ad85094bSMauro Carvalho Chehab { 528ad85094bSMauro Carvalho Chehab switch (cmd) { 529ad85094bSMauro Carvalho Chehab case ATOMISP_IOC_S_EXPOSURE: 530ad85094bSMauro Carvalho Chehab return gc0310_s_exposure(sd, arg); 531ad85094bSMauro Carvalho Chehab default: 532ad85094bSMauro Carvalho Chehab return -EINVAL; 533ad85094bSMauro Carvalho Chehab } 534ad85094bSMauro Carvalho Chehab return 0; 535ad85094bSMauro Carvalho Chehab } 536ad85094bSMauro Carvalho Chehab 537ad85094bSMauro Carvalho Chehab /* This returns the exposure time being used. This should only be used 538ad85094bSMauro Carvalho Chehab * for filling in EXIF data, not for actual image processing. 539ad85094bSMauro Carvalho Chehab */ 540ad85094bSMauro Carvalho Chehab static int gc0310_q_exposure(struct v4l2_subdev *sd, s32 *value) 541ad85094bSMauro Carvalho Chehab { 542ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 543ad85094bSMauro Carvalho Chehab u8 reg_v; 544ad85094bSMauro Carvalho Chehab int ret; 545ad85094bSMauro Carvalho Chehab 546ad85094bSMauro Carvalho Chehab /* get exposure */ 547ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 548ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_L, 549ad85094bSMauro Carvalho Chehab ®_v); 550ad85094bSMauro Carvalho Chehab if (ret) 551ad85094bSMauro Carvalho Chehab goto err; 552ad85094bSMauro Carvalho Chehab 553ad85094bSMauro Carvalho Chehab *value = reg_v; 554ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 555ad85094bSMauro Carvalho Chehab GC0310_AEC_PK_EXPO_H, 556ad85094bSMauro Carvalho Chehab ®_v); 557ad85094bSMauro Carvalho Chehab if (ret) 558ad85094bSMauro Carvalho Chehab goto err; 559ad85094bSMauro Carvalho Chehab 560ad85094bSMauro Carvalho Chehab *value = *value + (reg_v << 8); 561ad85094bSMauro Carvalho Chehab err: 562ad85094bSMauro Carvalho Chehab return ret; 563ad85094bSMauro Carvalho Chehab } 564ad85094bSMauro Carvalho Chehab 565ad85094bSMauro Carvalho Chehab static int gc0310_s_ctrl(struct v4l2_ctrl *ctrl) 566ad85094bSMauro Carvalho Chehab { 567ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = 568ad85094bSMauro Carvalho Chehab container_of(ctrl->handler, struct gc0310_device, ctrl_handler); 569ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(&dev->sd); 570ad85094bSMauro Carvalho Chehab int ret = 0; 571ad85094bSMauro Carvalho Chehab 572ad85094bSMauro Carvalho Chehab switch (ctrl->id) { 573ad85094bSMauro Carvalho Chehab case V4L2_CID_VFLIP: 574ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "%s: CID_VFLIP:%d.\n", 575ad85094bSMauro Carvalho Chehab __func__, ctrl->val); 576ad85094bSMauro Carvalho Chehab ret = gc0310_v_flip(&dev->sd, ctrl->val); 577ad85094bSMauro Carvalho Chehab break; 578ad85094bSMauro Carvalho Chehab case V4L2_CID_HFLIP: 579ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "%s: CID_HFLIP:%d.\n", 580ad85094bSMauro Carvalho Chehab __func__, ctrl->val); 581ad85094bSMauro Carvalho Chehab ret = gc0310_h_flip(&dev->sd, ctrl->val); 582ad85094bSMauro Carvalho Chehab break; 583ad85094bSMauro Carvalho Chehab default: 584ad85094bSMauro Carvalho Chehab ret = -EINVAL; 585ad85094bSMauro Carvalho Chehab } 586ad85094bSMauro Carvalho Chehab return ret; 587ad85094bSMauro Carvalho Chehab } 588ad85094bSMauro Carvalho Chehab 589ad85094bSMauro Carvalho Chehab static int gc0310_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 590ad85094bSMauro Carvalho Chehab { 591ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = 592ad85094bSMauro Carvalho Chehab container_of(ctrl->handler, struct gc0310_device, ctrl_handler); 593ad85094bSMauro Carvalho Chehab int ret = 0; 594ad85094bSMauro Carvalho Chehab 595ad85094bSMauro Carvalho Chehab switch (ctrl->id) { 596ad85094bSMauro Carvalho Chehab case V4L2_CID_EXPOSURE_ABSOLUTE: 597ad85094bSMauro Carvalho Chehab ret = gc0310_q_exposure(&dev->sd, &ctrl->val); 598ad85094bSMauro Carvalho Chehab break; 599ad85094bSMauro Carvalho Chehab case V4L2_CID_FOCAL_ABSOLUTE: 600ad85094bSMauro Carvalho Chehab ret = gc0310_g_focal(&dev->sd, &ctrl->val); 601ad85094bSMauro Carvalho Chehab break; 602ad85094bSMauro Carvalho Chehab case V4L2_CID_FNUMBER_ABSOLUTE: 603ad85094bSMauro Carvalho Chehab ret = gc0310_g_fnumber(&dev->sd, &ctrl->val); 604ad85094bSMauro Carvalho Chehab break; 605ad85094bSMauro Carvalho Chehab case V4L2_CID_FNUMBER_RANGE: 606ad85094bSMauro Carvalho Chehab ret = gc0310_g_fnumber_range(&dev->sd, &ctrl->val); 607ad85094bSMauro Carvalho Chehab break; 608ad85094bSMauro Carvalho Chehab case V4L2_CID_BIN_FACTOR_HORZ: 609ad85094bSMauro Carvalho Chehab ret = gc0310_g_bin_factor_x(&dev->sd, &ctrl->val); 610ad85094bSMauro Carvalho Chehab break; 611ad85094bSMauro Carvalho Chehab case V4L2_CID_BIN_FACTOR_VERT: 612ad85094bSMauro Carvalho Chehab ret = gc0310_g_bin_factor_y(&dev->sd, &ctrl->val); 613ad85094bSMauro Carvalho Chehab break; 614ad85094bSMauro Carvalho Chehab default: 615ad85094bSMauro Carvalho Chehab ret = -EINVAL; 616ad85094bSMauro Carvalho Chehab } 617ad85094bSMauro Carvalho Chehab 618ad85094bSMauro Carvalho Chehab return ret; 619ad85094bSMauro Carvalho Chehab } 620ad85094bSMauro Carvalho Chehab 621ad85094bSMauro Carvalho Chehab static const struct v4l2_ctrl_ops ctrl_ops = { 622ad85094bSMauro Carvalho Chehab .s_ctrl = gc0310_s_ctrl, 623ad85094bSMauro Carvalho Chehab .g_volatile_ctrl = gc0310_g_volatile_ctrl 624ad85094bSMauro Carvalho Chehab }; 625ad85094bSMauro Carvalho Chehab 626ad85094bSMauro Carvalho Chehab static const struct v4l2_ctrl_config gc0310_controls[] = { 627ad85094bSMauro Carvalho Chehab { 628ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 629ad85094bSMauro Carvalho Chehab .id = V4L2_CID_EXPOSURE_ABSOLUTE, 630ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 631ad85094bSMauro Carvalho Chehab .name = "exposure", 632ad85094bSMauro Carvalho Chehab .min = 0x0, 633ad85094bSMauro Carvalho Chehab .max = 0xffff, 634ad85094bSMauro Carvalho Chehab .step = 0x01, 635ad85094bSMauro Carvalho Chehab .def = 0x00, 636ad85094bSMauro Carvalho Chehab .flags = 0, 637ad85094bSMauro Carvalho Chehab }, 638ad85094bSMauro Carvalho Chehab { 639ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 640ad85094bSMauro Carvalho Chehab .id = V4L2_CID_VFLIP, 641ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 642ad85094bSMauro Carvalho Chehab .name = "Flip", 643ad85094bSMauro Carvalho Chehab .min = 0, 644ad85094bSMauro Carvalho Chehab .max = 1, 645ad85094bSMauro Carvalho Chehab .step = 1, 646ad85094bSMauro Carvalho Chehab .def = 0, 647ad85094bSMauro Carvalho Chehab }, 648ad85094bSMauro Carvalho Chehab { 649ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 650ad85094bSMauro Carvalho Chehab .id = V4L2_CID_HFLIP, 651ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 652ad85094bSMauro Carvalho Chehab .name = "Mirror", 653ad85094bSMauro Carvalho Chehab .min = 0, 654ad85094bSMauro Carvalho Chehab .max = 1, 655ad85094bSMauro Carvalho Chehab .step = 1, 656ad85094bSMauro Carvalho Chehab .def = 0, 657ad85094bSMauro Carvalho Chehab }, 658ad85094bSMauro Carvalho Chehab { 659ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 660ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FOCAL_ABSOLUTE, 661ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 662ad85094bSMauro Carvalho Chehab .name = "focal length", 663ad85094bSMauro Carvalho Chehab .min = GC0310_FOCAL_LENGTH_DEFAULT, 664ad85094bSMauro Carvalho Chehab .max = GC0310_FOCAL_LENGTH_DEFAULT, 665ad85094bSMauro Carvalho Chehab .step = 0x01, 666ad85094bSMauro Carvalho Chehab .def = GC0310_FOCAL_LENGTH_DEFAULT, 667ad85094bSMauro Carvalho Chehab .flags = 0, 668ad85094bSMauro Carvalho Chehab }, 669ad85094bSMauro Carvalho Chehab { 670ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 671ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FNUMBER_ABSOLUTE, 672ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 673ad85094bSMauro Carvalho Chehab .name = "f-number", 674ad85094bSMauro Carvalho Chehab .min = GC0310_F_NUMBER_DEFAULT, 675ad85094bSMauro Carvalho Chehab .max = GC0310_F_NUMBER_DEFAULT, 676ad85094bSMauro Carvalho Chehab .step = 0x01, 677ad85094bSMauro Carvalho Chehab .def = GC0310_F_NUMBER_DEFAULT, 678ad85094bSMauro Carvalho Chehab .flags = 0, 679ad85094bSMauro Carvalho Chehab }, 680ad85094bSMauro Carvalho Chehab { 681ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 682ad85094bSMauro Carvalho Chehab .id = V4L2_CID_FNUMBER_RANGE, 683ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 684ad85094bSMauro Carvalho Chehab .name = "f-number range", 685ad85094bSMauro Carvalho Chehab .min = GC0310_F_NUMBER_RANGE, 686ad85094bSMauro Carvalho Chehab .max = GC0310_F_NUMBER_RANGE, 687ad85094bSMauro Carvalho Chehab .step = 0x01, 688ad85094bSMauro Carvalho Chehab .def = GC0310_F_NUMBER_RANGE, 689ad85094bSMauro Carvalho Chehab .flags = 0, 690ad85094bSMauro Carvalho Chehab }, 691ad85094bSMauro Carvalho Chehab { 692ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 693ad85094bSMauro Carvalho Chehab .id = V4L2_CID_BIN_FACTOR_HORZ, 694ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 695ad85094bSMauro Carvalho Chehab .name = "horizontal binning factor", 696ad85094bSMauro Carvalho Chehab .min = 0, 697ad85094bSMauro Carvalho Chehab .max = GC0310_BIN_FACTOR_MAX, 698ad85094bSMauro Carvalho Chehab .step = 1, 699ad85094bSMauro Carvalho Chehab .def = 0, 700ad85094bSMauro Carvalho Chehab .flags = 0, 701ad85094bSMauro Carvalho Chehab }, 702ad85094bSMauro Carvalho Chehab { 703ad85094bSMauro Carvalho Chehab .ops = &ctrl_ops, 704ad85094bSMauro Carvalho Chehab .id = V4L2_CID_BIN_FACTOR_VERT, 705ad85094bSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 706ad85094bSMauro Carvalho Chehab .name = "vertical binning factor", 707ad85094bSMauro Carvalho Chehab .min = 0, 708ad85094bSMauro Carvalho Chehab .max = GC0310_BIN_FACTOR_MAX, 709ad85094bSMauro Carvalho Chehab .step = 1, 710ad85094bSMauro Carvalho Chehab .def = 0, 711ad85094bSMauro Carvalho Chehab .flags = 0, 712ad85094bSMauro Carvalho Chehab }, 713ad85094bSMauro Carvalho Chehab }; 714ad85094bSMauro Carvalho Chehab 715ad85094bSMauro Carvalho Chehab static int gc0310_init(struct v4l2_subdev *sd) 716ad85094bSMauro Carvalho Chehab { 717ad85094bSMauro Carvalho Chehab int ret; 718ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 719ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 720ad85094bSMauro Carvalho Chehab 721ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 722ad85094bSMauro Carvalho Chehab 7234636a85cSMauro Carvalho Chehab /* set initial registers */ 724ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg_array(client, gc0310_reset_register); 725ad85094bSMauro Carvalho Chehab 726ad85094bSMauro Carvalho Chehab /* restore settings */ 727ad85094bSMauro Carvalho Chehab gc0310_res = gc0310_res_preview; 728ad85094bSMauro Carvalho Chehab N_RES = N_RES_PREVIEW; 729ad85094bSMauro Carvalho Chehab 730ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 731ad85094bSMauro Carvalho Chehab 732ad85094bSMauro Carvalho Chehab return ret; 733ad85094bSMauro Carvalho Chehab } 734ad85094bSMauro Carvalho Chehab 735ad85094bSMauro Carvalho Chehab static int power_ctrl(struct v4l2_subdev *sd, bool flag) 736ad85094bSMauro Carvalho Chehab { 737ad85094bSMauro Carvalho Chehab int ret = 0; 738ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 739bdfe0bebSMauro Carvalho Chehab 740ad85094bSMauro Carvalho Chehab if (!dev || !dev->platform_data) 741ad85094bSMauro Carvalho Chehab return -ENODEV; 742ad85094bSMauro Carvalho Chehab 743ad85094bSMauro Carvalho Chehab if (flag) { 744ad85094bSMauro Carvalho Chehab /* The upstream module driver (written to Crystal 745ad85094bSMauro Carvalho Chehab * Cove) had this logic to pulse the rails low first. 746ad85094bSMauro Carvalho Chehab * This appears to break things on the MRD7 with the 747ad85094bSMauro Carvalho Chehab * X-Powers PMIC... 748ad85094bSMauro Carvalho Chehab * 749ad85094bSMauro Carvalho Chehab * ret = dev->platform_data->v1p8_ctrl(sd, 0); 750ad85094bSMauro Carvalho Chehab * ret |= dev->platform_data->v2p8_ctrl(sd, 0); 751ad85094bSMauro Carvalho Chehab * mdelay(50); 752ad85094bSMauro Carvalho Chehab */ 753ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v1p8_ctrl(sd, 1); 754ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v2p8_ctrl(sd, 1); 755ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 756ad85094bSMauro Carvalho Chehab } 757ad85094bSMauro Carvalho Chehab 758ad85094bSMauro Carvalho Chehab if (!flag || ret) { 759ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v1p8_ctrl(sd, 0); 760ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->v2p8_ctrl(sd, 0); 761ad85094bSMauro Carvalho Chehab } 762ad85094bSMauro Carvalho Chehab return ret; 763ad85094bSMauro Carvalho Chehab } 764ad85094bSMauro Carvalho Chehab 765ad85094bSMauro Carvalho Chehab static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) 766ad85094bSMauro Carvalho Chehab { 767ad85094bSMauro Carvalho Chehab int ret; 768ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 769ad85094bSMauro Carvalho Chehab 770ad85094bSMauro Carvalho Chehab if (!dev || !dev->platform_data) 771ad85094bSMauro Carvalho Chehab return -ENODEV; 772ad85094bSMauro Carvalho Chehab 773ad85094bSMauro Carvalho Chehab /* GPIO0 == "reset" (active low), GPIO1 == "power down" */ 774ad85094bSMauro Carvalho Chehab if (flag) { 775ad85094bSMauro Carvalho Chehab /* Pulse reset, then release power down */ 776ad85094bSMauro Carvalho Chehab ret = dev->platform_data->gpio0_ctrl(sd, 0); 777ad85094bSMauro Carvalho Chehab usleep_range(5000, 10000); 778ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio0_ctrl(sd, 1); 779ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 780ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio1_ctrl(sd, 0); 781ad85094bSMauro Carvalho Chehab usleep_range(10000, 15000); 782ad85094bSMauro Carvalho Chehab } else { 783ad85094bSMauro Carvalho Chehab ret = dev->platform_data->gpio1_ctrl(sd, 1); 784ad85094bSMauro Carvalho Chehab ret |= dev->platform_data->gpio0_ctrl(sd, 0); 785ad85094bSMauro Carvalho Chehab } 786ad85094bSMauro Carvalho Chehab return ret; 787ad85094bSMauro Carvalho Chehab } 788ad85094bSMauro Carvalho Chehab 789ad85094bSMauro Carvalho Chehab static int power_down(struct v4l2_subdev *sd); 790ad85094bSMauro Carvalho Chehab 791ad85094bSMauro Carvalho Chehab static int power_up(struct v4l2_subdev *sd) 792ad85094bSMauro Carvalho Chehab { 793ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 794ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 795ad85094bSMauro Carvalho Chehab int ret; 796ad85094bSMauro Carvalho Chehab 797ad85094bSMauro Carvalho Chehab if (!dev->platform_data) { 798ad85094bSMauro Carvalho Chehab dev_err(&client->dev, 799ad85094bSMauro Carvalho Chehab "no camera_sensor_platform_data"); 800ad85094bSMauro Carvalho Chehab return -ENODEV; 801ad85094bSMauro Carvalho Chehab } 802ad85094bSMauro Carvalho Chehab 803ad85094bSMauro Carvalho Chehab /* power control */ 804ad85094bSMauro Carvalho Chehab ret = power_ctrl(sd, 1); 805ad85094bSMauro Carvalho Chehab if (ret) 806ad85094bSMauro Carvalho Chehab goto fail_power; 807ad85094bSMauro Carvalho Chehab 808ad85094bSMauro Carvalho Chehab /* flis clock control */ 809ad85094bSMauro Carvalho Chehab ret = dev->platform_data->flisclk_ctrl(sd, 1); 810ad85094bSMauro Carvalho Chehab if (ret) 811ad85094bSMauro Carvalho Chehab goto fail_clk; 812ad85094bSMauro Carvalho Chehab 813ad85094bSMauro Carvalho Chehab /* gpio ctrl */ 814ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 1); 815ad85094bSMauro Carvalho Chehab if (ret) { 816ad85094bSMauro Carvalho Chehab ret = gpio_ctrl(sd, 1); 817ad85094bSMauro Carvalho Chehab if (ret) 818ad85094bSMauro Carvalho Chehab goto fail_gpio; 819ad85094bSMauro Carvalho Chehab } 820ad85094bSMauro Carvalho Chehab 821ad85094bSMauro Carvalho Chehab msleep(100); 822ad85094bSMauro Carvalho Chehab 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; 870bdfe0bebSMauro Carvalho Chehab 871ad85094bSMauro Carvalho Chehab if (on == 0) 872ad85094bSMauro Carvalho Chehab return power_down(sd); 8734658e1dbSLeonid Kushnir 874dfe59c78SLeonid Kushnir ret = power_up(sd); 875dfe59c78SLeonid Kushnir if (ret) 876ad85094bSMauro Carvalho Chehab return ret; 877dfe59c78SLeonid Kushnir 878dfe59c78SLeonid Kushnir return gc0310_init(sd); 879ad85094bSMauro Carvalho Chehab } 880ad85094bSMauro Carvalho Chehab 881ad85094bSMauro Carvalho Chehab /* 882ad85094bSMauro Carvalho Chehab * distance - calculate the distance 883ad85094bSMauro Carvalho Chehab * @res: resolution 884ad85094bSMauro Carvalho Chehab * @w: width 885ad85094bSMauro Carvalho Chehab * @h: height 886ad85094bSMauro Carvalho Chehab * 887ad85094bSMauro Carvalho Chehab * Get the gap between resolution and w/h. 888ad85094bSMauro Carvalho Chehab * res->width/height smaller than w/h wouldn't be considered. 889ad85094bSMauro Carvalho Chehab * Returns the value of gap or -1 if fail. 890ad85094bSMauro Carvalho Chehab */ 891ad85094bSMauro Carvalho Chehab #define LARGEST_ALLOWED_RATIO_MISMATCH 800 892ad85094bSMauro Carvalho Chehab static int distance(struct gc0310_resolution *res, u32 w, u32 h) 893ad85094bSMauro Carvalho Chehab { 894ad85094bSMauro Carvalho Chehab unsigned int w_ratio = (res->width << 13) / w; 895ad85094bSMauro Carvalho Chehab unsigned int h_ratio; 896ad85094bSMauro Carvalho Chehab int match; 897ad85094bSMauro Carvalho Chehab 898ad85094bSMauro Carvalho Chehab if (h == 0) 899ad85094bSMauro Carvalho Chehab return -1; 900ad85094bSMauro Carvalho Chehab h_ratio = (res->height << 13) / h; 901ad85094bSMauro Carvalho Chehab if (h_ratio == 0) 902ad85094bSMauro Carvalho Chehab return -1; 903bdfe0bebSMauro Carvalho Chehab match = abs(((w_ratio << 13) / h_ratio) - 8192); 904ad85094bSMauro Carvalho Chehab 905bdfe0bebSMauro Carvalho Chehab if ((w_ratio < 8192) || (h_ratio < 8192) || 906ad85094bSMauro Carvalho Chehab (match > LARGEST_ALLOWED_RATIO_MISMATCH)) 907ad85094bSMauro Carvalho Chehab return -1; 908ad85094bSMauro Carvalho Chehab 909ad85094bSMauro Carvalho Chehab return w_ratio + h_ratio; 910ad85094bSMauro Carvalho Chehab } 911ad85094bSMauro Carvalho Chehab 912ad85094bSMauro Carvalho Chehab /* Return the nearest higher resolution index */ 913ad85094bSMauro Carvalho Chehab static int nearest_resolution_index(int w, int h) 914ad85094bSMauro Carvalho Chehab { 915ad85094bSMauro Carvalho Chehab int i; 916ad85094bSMauro Carvalho Chehab int idx = -1; 917ad85094bSMauro Carvalho Chehab int dist; 918ad85094bSMauro Carvalho Chehab int min_dist = INT_MAX; 919ad85094bSMauro Carvalho Chehab struct gc0310_resolution *tmp_res = NULL; 920ad85094bSMauro Carvalho Chehab 921ad85094bSMauro Carvalho Chehab for (i = 0; i < N_RES; i++) { 922ad85094bSMauro Carvalho Chehab tmp_res = &gc0310_res[i]; 923ad85094bSMauro Carvalho Chehab dist = distance(tmp_res, w, h); 924ad85094bSMauro Carvalho Chehab if (dist == -1) 925ad85094bSMauro Carvalho Chehab continue; 926ad85094bSMauro Carvalho Chehab if (dist < min_dist) { 927ad85094bSMauro Carvalho Chehab min_dist = dist; 928ad85094bSMauro Carvalho Chehab idx = i; 929ad85094bSMauro Carvalho Chehab } 930ad85094bSMauro Carvalho Chehab } 931ad85094bSMauro Carvalho Chehab 932ad85094bSMauro Carvalho Chehab return idx; 933ad85094bSMauro Carvalho Chehab } 934ad85094bSMauro Carvalho Chehab 935ad85094bSMauro Carvalho Chehab static int get_resolution_index(int w, int h) 936ad85094bSMauro Carvalho Chehab { 937ad85094bSMauro Carvalho Chehab int i; 938ad85094bSMauro Carvalho Chehab 939ad85094bSMauro Carvalho Chehab for (i = 0; i < N_RES; i++) { 940ad85094bSMauro Carvalho Chehab if (w != gc0310_res[i].width) 941ad85094bSMauro Carvalho Chehab continue; 942ad85094bSMauro Carvalho Chehab if (h != gc0310_res[i].height) 943ad85094bSMauro Carvalho Chehab continue; 944ad85094bSMauro Carvalho Chehab 945ad85094bSMauro Carvalho Chehab return i; 946ad85094bSMauro Carvalho Chehab } 947ad85094bSMauro Carvalho Chehab 948ad85094bSMauro Carvalho Chehab return -1; 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 ret = gc0310_write_reg_array(client, gc0310_res[dev->fmt_idx].regs); 959ad85094bSMauro Carvalho Chehab if (ret) { 960ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 write register err.\n"); 961ad85094bSMauro Carvalho Chehab return ret; 962ad85094bSMauro Carvalho Chehab } 963ad85094bSMauro Carvalho Chehab 964ad85094bSMauro Carvalho Chehab return ret; 965ad85094bSMauro Carvalho Chehab } 966ad85094bSMauro Carvalho Chehab 967ad85094bSMauro Carvalho Chehab static int gc0310_set_fmt(struct v4l2_subdev *sd, 968*0d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 969ad85094bSMauro Carvalho Chehab struct v4l2_subdev_format *format) 970ad85094bSMauro Carvalho Chehab { 971ad85094bSMauro Carvalho Chehab struct v4l2_mbus_framefmt *fmt = &format->format; 972ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 973ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 974ad85094bSMauro Carvalho Chehab struct camera_mipi_info *gc0310_info = NULL; 975ad85094bSMauro Carvalho Chehab int ret = 0; 976ad85094bSMauro Carvalho Chehab int idx = 0; 977bdfe0bebSMauro Carvalho Chehab 978ad85094bSMauro Carvalho Chehab if (format->pad) 979ad85094bSMauro Carvalho Chehab return -EINVAL; 980ad85094bSMauro Carvalho Chehab 981ad85094bSMauro Carvalho Chehab if (!fmt) 982ad85094bSMauro Carvalho Chehab return -EINVAL; 983ad85094bSMauro Carvalho Chehab 984ad85094bSMauro Carvalho Chehab gc0310_info = v4l2_get_subdev_hostdata(sd); 985ad85094bSMauro Carvalho Chehab if (!gc0310_info) 986ad85094bSMauro Carvalho Chehab return -EINVAL; 987ad85094bSMauro Carvalho Chehab 988ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 989ad85094bSMauro Carvalho Chehab 990ad85094bSMauro Carvalho Chehab idx = nearest_resolution_index(fmt->width, fmt->height); 991ad85094bSMauro Carvalho Chehab if (idx == -1) { 992ad85094bSMauro Carvalho Chehab /* return the largest resolution */ 993ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[N_RES - 1].width; 994ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[N_RES - 1].height; 995ad85094bSMauro Carvalho Chehab } else { 996ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[idx].width; 997ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[idx].height; 998ad85094bSMauro Carvalho Chehab } 999ad85094bSMauro Carvalho Chehab fmt->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1000ad85094bSMauro Carvalho Chehab 1001ad85094bSMauro Carvalho Chehab if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1002*0d346d2aSTomi Valkeinen sd_state->pads->try_fmt = *fmt; 1003ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1004ad85094bSMauro Carvalho Chehab return 0; 1005ad85094bSMauro Carvalho Chehab } 1006ad85094bSMauro Carvalho Chehab 1007ad85094bSMauro Carvalho Chehab dev->fmt_idx = get_resolution_index(fmt->width, fmt->height); 1008ad85094bSMauro Carvalho Chehab if (dev->fmt_idx == -1) { 1009ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "get resolution fail\n"); 1010ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1011ad85094bSMauro Carvalho Chehab return -EINVAL; 1012ad85094bSMauro Carvalho Chehab } 1013ad85094bSMauro Carvalho Chehab 10142dfc978aSDeepak R Varma dev_dbg(&client->dev, "%s: before gc0310_write_reg_array %s\n", 10152dfc978aSDeepak R Varma __func__, gc0310_res[dev->fmt_idx].desc); 1016ad85094bSMauro Carvalho Chehab ret = startup(sd); 1017ad85094bSMauro Carvalho Chehab if (ret) { 1018ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 startup err\n"); 1019ad85094bSMauro Carvalho Chehab goto err; 1020ad85094bSMauro Carvalho Chehab } 1021ad85094bSMauro Carvalho Chehab 1022ad85094bSMauro Carvalho Chehab ret = gc0310_get_intg_factor(client, gc0310_info, 1023ad85094bSMauro Carvalho Chehab &gc0310_res[dev->fmt_idx]); 1024ad85094bSMauro Carvalho Chehab if (ret) { 1025ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "failed to get integration_factor\n"); 1026ad85094bSMauro Carvalho Chehab goto err; 1027ad85094bSMauro Carvalho Chehab } 1028ad85094bSMauro Carvalho Chehab 1029ad85094bSMauro Carvalho Chehab err: 1030ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1031ad85094bSMauro Carvalho Chehab return ret; 1032ad85094bSMauro Carvalho Chehab } 1033ad85094bSMauro Carvalho Chehab 1034ad85094bSMauro Carvalho Chehab static int gc0310_get_fmt(struct v4l2_subdev *sd, 1035*0d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 1036ad85094bSMauro Carvalho Chehab struct v4l2_subdev_format *format) 1037ad85094bSMauro Carvalho Chehab { 1038ad85094bSMauro Carvalho Chehab struct v4l2_mbus_framefmt *fmt = &format->format; 1039ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1040ad85094bSMauro Carvalho Chehab 1041ad85094bSMauro Carvalho Chehab if (format->pad) 1042ad85094bSMauro Carvalho Chehab return -EINVAL; 1043ad85094bSMauro Carvalho Chehab 1044ad85094bSMauro Carvalho Chehab if (!fmt) 1045ad85094bSMauro Carvalho Chehab return -EINVAL; 1046ad85094bSMauro Carvalho Chehab 1047ad85094bSMauro Carvalho Chehab fmt->width = gc0310_res[dev->fmt_idx].width; 1048ad85094bSMauro Carvalho Chehab fmt->height = gc0310_res[dev->fmt_idx].height; 1049ad85094bSMauro Carvalho Chehab fmt->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1050ad85094bSMauro Carvalho Chehab 1051ad85094bSMauro Carvalho Chehab return 0; 1052ad85094bSMauro Carvalho Chehab } 1053ad85094bSMauro Carvalho Chehab 1054ad85094bSMauro Carvalho Chehab static int gc0310_detect(struct i2c_client *client) 1055ad85094bSMauro Carvalho Chehab { 1056ad85094bSMauro Carvalho Chehab struct i2c_adapter *adapter = client->adapter; 1057ad85094bSMauro Carvalho Chehab u8 high, low; 1058ad85094bSMauro Carvalho Chehab int ret; 1059ad85094bSMauro Carvalho Chehab u16 id; 1060ad85094bSMauro Carvalho Chehab 1061ad85094bSMauro Carvalho Chehab if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) 1062ad85094bSMauro Carvalho Chehab return -ENODEV; 1063ad85094bSMauro Carvalho Chehab 1064ad85094bSMauro Carvalho Chehab ret = gc0310_read_reg(client, GC0310_8BIT, 1065ad85094bSMauro Carvalho Chehab GC0310_SC_CMMN_CHIP_ID_H, &high); 1066ad85094bSMauro Carvalho Chehab if (ret) { 1067ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "read sensor_id_high failed\n"); 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_L, &low); 1072ad85094bSMauro Carvalho Chehab if (ret) { 1073ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "read sensor_id_low failed\n"); 1074ad85094bSMauro Carvalho Chehab return -ENODEV; 1075ad85094bSMauro Carvalho Chehab } 1076ad85094bSMauro Carvalho Chehab id = ((((u16)high) << 8) | (u16)low); 10772dfc978aSDeepak R Varma dev_dbg(&client->dev, "sensor ID = 0x%x\n", id); 1078ad85094bSMauro Carvalho Chehab 1079ad85094bSMauro Carvalho Chehab if (id != GC0310_ID) { 1080eaa399ebSMauro Carvalho Chehab dev_err(&client->dev, "sensor ID error, read id = 0x%x, target id = 0x%x\n", id, 1081eaa399ebSMauro Carvalho Chehab GC0310_ID); 1082ad85094bSMauro Carvalho Chehab return -ENODEV; 1083ad85094bSMauro Carvalho Chehab } 1084ad85094bSMauro Carvalho Chehab 1085ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "detect gc0310 success\n"); 1086ad85094bSMauro Carvalho Chehab 1087ad85094bSMauro Carvalho Chehab return 0; 1088ad85094bSMauro Carvalho Chehab } 1089ad85094bSMauro Carvalho Chehab 1090ad85094bSMauro Carvalho Chehab static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) 1091ad85094bSMauro Carvalho Chehab { 1092ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1093ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 1094ad85094bSMauro Carvalho Chehab int ret; 1095ad85094bSMauro Carvalho Chehab 10962dfc978aSDeepak R Varma dev_dbg(&client->dev, "%s S enable=%d\n", __func__, enable); 1097ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1098ad85094bSMauro Carvalho Chehab 1099ad85094bSMauro Carvalho Chehab if (enable) { 1100ad85094bSMauro Carvalho Chehab /* enable per frame MIPI and sensor ctrl reset */ 1101ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1102ad85094bSMauro Carvalho Chehab 0xFE, 0x30); 1103ad85094bSMauro Carvalho Chehab if (ret) { 1104ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1105ad85094bSMauro Carvalho Chehab return ret; 1106ad85094bSMauro Carvalho Chehab } 1107ad85094bSMauro Carvalho Chehab } 1108ad85094bSMauro Carvalho Chehab 1109ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1110ad85094bSMauro Carvalho Chehab GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_3); 1111ad85094bSMauro Carvalho Chehab if (ret) { 1112ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1113ad85094bSMauro Carvalho Chehab return ret; 1114ad85094bSMauro Carvalho Chehab } 1115ad85094bSMauro Carvalho Chehab 1116ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, GC0310_SW_STREAM, 1117ad85094bSMauro Carvalho Chehab enable ? GC0310_START_STREAMING : 1118ad85094bSMauro Carvalho Chehab GC0310_STOP_STREAMING); 1119ad85094bSMauro Carvalho Chehab if (ret) { 1120ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1121ad85094bSMauro Carvalho Chehab return ret; 1122ad85094bSMauro Carvalho Chehab } 1123ad85094bSMauro Carvalho Chehab 1124ad85094bSMauro Carvalho Chehab ret = gc0310_write_reg(client, GC0310_8BIT, 1125ad85094bSMauro Carvalho Chehab GC0310_RESET_RELATED, GC0310_REGISTER_PAGE_0); 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 mutex_unlock(&dev->input_lock); 1132ad85094bSMauro Carvalho Chehab return ret; 1133ad85094bSMauro Carvalho Chehab } 1134ad85094bSMauro Carvalho Chehab 1135ad85094bSMauro Carvalho Chehab static int gc0310_s_config(struct v4l2_subdev *sd, 1136ad85094bSMauro Carvalho Chehab int irq, void *platform_data) 1137ad85094bSMauro Carvalho Chehab { 1138ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1139ad85094bSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 1140ad85094bSMauro Carvalho Chehab int ret = 0; 1141ad85094bSMauro Carvalho Chehab 1142ad85094bSMauro Carvalho Chehab if (!platform_data) 1143ad85094bSMauro Carvalho Chehab return -ENODEV; 1144ad85094bSMauro Carvalho Chehab 1145ad85094bSMauro Carvalho Chehab dev->platform_data = 1146ad85094bSMauro Carvalho Chehab (struct camera_sensor_platform_data *)platform_data; 1147ad85094bSMauro Carvalho Chehab 1148ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1149ad85094bSMauro Carvalho Chehab /* power off the module, then power on it in future 1150ad85094bSMauro Carvalho Chehab * as first power on by board may not fulfill the 1151ad85094bSMauro Carvalho Chehab * power on sequqence needed by the module 1152ad85094bSMauro Carvalho Chehab */ 1153ad85094bSMauro Carvalho Chehab ret = power_down(sd); 1154ad85094bSMauro Carvalho Chehab if (ret) { 1155ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-off err.\n"); 1156ad85094bSMauro Carvalho Chehab goto fail_power_off; 1157ad85094bSMauro Carvalho Chehab } 1158ad85094bSMauro Carvalho Chehab 1159ad85094bSMauro Carvalho Chehab ret = power_up(sd); 1160ad85094bSMauro Carvalho Chehab if (ret) { 1161ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-up err.\n"); 1162ad85094bSMauro Carvalho Chehab goto fail_power_on; 1163ad85094bSMauro Carvalho Chehab } 1164ad85094bSMauro Carvalho Chehab 1165ad85094bSMauro Carvalho Chehab ret = dev->platform_data->csi_cfg(sd, 1); 1166ad85094bSMauro Carvalho Chehab if (ret) 1167ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1168ad85094bSMauro Carvalho Chehab 1169ad85094bSMauro Carvalho Chehab /* config & detect sensor */ 1170ad85094bSMauro Carvalho Chehab ret = gc0310_detect(client); 1171ad85094bSMauro Carvalho Chehab if (ret) { 1172ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310_detect err s_config.\n"); 1173ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1174ad85094bSMauro Carvalho Chehab } 1175ad85094bSMauro Carvalho Chehab 1176ad85094bSMauro Carvalho Chehab /* turn off sensor, after probed */ 1177ad85094bSMauro Carvalho Chehab ret = power_down(sd); 1178ad85094bSMauro Carvalho Chehab if (ret) { 1179ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "gc0310 power-off err.\n"); 1180ad85094bSMauro Carvalho Chehab goto fail_csi_cfg; 1181ad85094bSMauro Carvalho Chehab } 1182ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1183ad85094bSMauro Carvalho Chehab 1184ad85094bSMauro Carvalho Chehab return 0; 1185ad85094bSMauro Carvalho Chehab 1186ad85094bSMauro Carvalho Chehab fail_csi_cfg: 1187ad85094bSMauro Carvalho Chehab dev->platform_data->csi_cfg(sd, 0); 1188ad85094bSMauro Carvalho Chehab fail_power_on: 1189ad85094bSMauro Carvalho Chehab power_down(sd); 1190ad85094bSMauro Carvalho Chehab dev_err(&client->dev, "sensor power-gating failed\n"); 1191ad85094bSMauro Carvalho Chehab fail_power_off: 1192ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1193ad85094bSMauro Carvalho Chehab return ret; 1194ad85094bSMauro Carvalho Chehab } 1195ad85094bSMauro Carvalho Chehab 1196ad85094bSMauro Carvalho Chehab static int gc0310_g_frame_interval(struct v4l2_subdev *sd, 1197ad85094bSMauro Carvalho Chehab struct v4l2_subdev_frame_interval *interval) 1198ad85094bSMauro Carvalho Chehab { 1199ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1200ad85094bSMauro Carvalho Chehab 1201ad85094bSMauro Carvalho Chehab interval->interval.numerator = 1; 1202ad85094bSMauro Carvalho Chehab interval->interval.denominator = gc0310_res[dev->fmt_idx].fps; 1203ad85094bSMauro Carvalho Chehab 1204ad85094bSMauro Carvalho Chehab return 0; 1205ad85094bSMauro Carvalho Chehab } 1206ad85094bSMauro Carvalho Chehab 1207ad85094bSMauro Carvalho Chehab static int gc0310_enum_mbus_code(struct v4l2_subdev *sd, 1208*0d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 1209ad85094bSMauro Carvalho Chehab struct v4l2_subdev_mbus_code_enum *code) 1210ad85094bSMauro Carvalho Chehab { 1211ad85094bSMauro Carvalho Chehab if (code->index >= MAX_FMTS) 1212ad85094bSMauro Carvalho Chehab return -EINVAL; 1213ad85094bSMauro Carvalho Chehab 1214ad85094bSMauro Carvalho Chehab code->code = MEDIA_BUS_FMT_SGRBG8_1X8; 1215ad85094bSMauro Carvalho Chehab return 0; 1216ad85094bSMauro Carvalho Chehab } 1217ad85094bSMauro Carvalho Chehab 1218ad85094bSMauro Carvalho Chehab static int gc0310_enum_frame_size(struct v4l2_subdev *sd, 1219*0d346d2aSTomi Valkeinen struct v4l2_subdev_state *sd_state, 1220ad85094bSMauro Carvalho Chehab struct v4l2_subdev_frame_size_enum *fse) 1221ad85094bSMauro Carvalho Chehab { 1222ad85094bSMauro Carvalho Chehab int index = fse->index; 1223ad85094bSMauro Carvalho Chehab 1224ad85094bSMauro Carvalho Chehab if (index >= N_RES) 1225ad85094bSMauro Carvalho Chehab return -EINVAL; 1226ad85094bSMauro Carvalho Chehab 1227ad85094bSMauro Carvalho Chehab fse->min_width = gc0310_res[index].width; 1228ad85094bSMauro Carvalho Chehab fse->min_height = gc0310_res[index].height; 1229ad85094bSMauro Carvalho Chehab fse->max_width = gc0310_res[index].width; 1230ad85094bSMauro Carvalho Chehab fse->max_height = gc0310_res[index].height; 1231ad85094bSMauro Carvalho Chehab 1232ad85094bSMauro Carvalho Chehab return 0; 1233ad85094bSMauro Carvalho Chehab } 1234ad85094bSMauro Carvalho Chehab 1235ad85094bSMauro Carvalho Chehab static int gc0310_g_skip_frames(struct v4l2_subdev *sd, u32 *frames) 1236ad85094bSMauro Carvalho Chehab { 1237ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1238ad85094bSMauro Carvalho Chehab 1239ad85094bSMauro Carvalho Chehab mutex_lock(&dev->input_lock); 1240ad85094bSMauro Carvalho Chehab *frames = gc0310_res[dev->fmt_idx].skip_frames; 1241ad85094bSMauro Carvalho Chehab mutex_unlock(&dev->input_lock); 1242ad85094bSMauro Carvalho Chehab 1243ad85094bSMauro Carvalho Chehab return 0; 1244ad85094bSMauro Carvalho Chehab } 1245ad85094bSMauro Carvalho Chehab 1246ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_sensor_ops gc0310_sensor_ops = { 1247ad85094bSMauro Carvalho Chehab .g_skip_frames = gc0310_g_skip_frames, 1248ad85094bSMauro Carvalho Chehab }; 1249ad85094bSMauro Carvalho Chehab 1250ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops gc0310_video_ops = { 1251ad85094bSMauro Carvalho Chehab .s_stream = gc0310_s_stream, 1252ad85094bSMauro Carvalho Chehab .g_frame_interval = gc0310_g_frame_interval, 1253ad85094bSMauro Carvalho Chehab }; 1254ad85094bSMauro Carvalho Chehab 1255ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_core_ops gc0310_core_ops = { 1256ad85094bSMauro Carvalho Chehab .s_power = gc0310_s_power, 1257ad85094bSMauro Carvalho Chehab .ioctl = gc0310_ioctl, 1258ad85094bSMauro Carvalho Chehab }; 1259ad85094bSMauro Carvalho Chehab 1260ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_pad_ops gc0310_pad_ops = { 1261ad85094bSMauro Carvalho Chehab .enum_mbus_code = gc0310_enum_mbus_code, 1262ad85094bSMauro Carvalho Chehab .enum_frame_size = gc0310_enum_frame_size, 1263ad85094bSMauro Carvalho Chehab .get_fmt = gc0310_get_fmt, 1264ad85094bSMauro Carvalho Chehab .set_fmt = gc0310_set_fmt, 1265ad85094bSMauro Carvalho Chehab }; 1266ad85094bSMauro Carvalho Chehab 1267ad85094bSMauro Carvalho Chehab static const struct v4l2_subdev_ops gc0310_ops = { 1268ad85094bSMauro Carvalho Chehab .core = &gc0310_core_ops, 1269ad85094bSMauro Carvalho Chehab .video = &gc0310_video_ops, 1270ad85094bSMauro Carvalho Chehab .pad = &gc0310_pad_ops, 1271ad85094bSMauro Carvalho Chehab .sensor = &gc0310_sensor_ops, 1272ad85094bSMauro Carvalho Chehab }; 1273ad85094bSMauro Carvalho Chehab 1274ad85094bSMauro Carvalho Chehab static int gc0310_remove(struct i2c_client *client) 1275ad85094bSMauro Carvalho Chehab { 1276ad85094bSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 1277ad85094bSMauro Carvalho Chehab struct gc0310_device *dev = to_gc0310_sensor(sd); 1278bdfe0bebSMauro Carvalho Chehab 1279ad85094bSMauro Carvalho Chehab dev_dbg(&client->dev, "gc0310_remove...\n"); 1280ad85094bSMauro Carvalho Chehab 1281ad85094bSMauro Carvalho Chehab dev->platform_data->csi_cfg(sd, 0); 1282ad85094bSMauro Carvalho Chehab 1283ad85094bSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd); 1284ad85094bSMauro Carvalho Chehab media_entity_cleanup(&dev->sd.entity); 1285ad85094bSMauro Carvalho Chehab v4l2_ctrl_handler_free(&dev->ctrl_handler); 1286ad85094bSMauro Carvalho Chehab kfree(dev); 1287ad85094bSMauro Carvalho Chehab 1288ad85094bSMauro Carvalho Chehab return 0; 1289ad85094bSMauro Carvalho Chehab } 1290ad85094bSMauro Carvalho Chehab 1291ad85094bSMauro Carvalho Chehab static int gc0310_probe(struct i2c_client *client) 1292ad85094bSMauro Carvalho Chehab { 1293ad85094bSMauro Carvalho Chehab struct gc0310_device *dev; 1294ad85094bSMauro Carvalho Chehab int ret; 1295ad85094bSMauro Carvalho Chehab void *pdata; 1296ad85094bSMauro Carvalho Chehab unsigned int i; 1297c03496b3SMauro Carvalho Chehab 1298ad85094bSMauro Carvalho Chehab dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1299ad85094bSMauro Carvalho Chehab if (!dev) 1300ad85094bSMauro Carvalho Chehab return -ENOMEM; 1301ad85094bSMauro Carvalho Chehab 1302ad85094bSMauro Carvalho Chehab mutex_init(&dev->input_lock); 1303ad85094bSMauro Carvalho Chehab 1304ad85094bSMauro Carvalho Chehab dev->fmt_idx = 0; 1305bdfe0bebSMauro Carvalho Chehab v4l2_i2c_subdev_init(&dev->sd, client, &gc0310_ops); 1306ad85094bSMauro Carvalho Chehab 1307ad85094bSMauro Carvalho Chehab pdata = gmin_camera_platform_data(&dev->sd, 1308ad85094bSMauro Carvalho Chehab ATOMISP_INPUT_FORMAT_RAW_8, 1309ad85094bSMauro Carvalho Chehab atomisp_bayer_order_grbg); 1310ad85094bSMauro Carvalho Chehab if (!pdata) { 1311ad85094bSMauro Carvalho Chehab ret = -EINVAL; 1312ad85094bSMauro Carvalho Chehab goto out_free; 1313ad85094bSMauro Carvalho Chehab } 1314ad85094bSMauro Carvalho Chehab 1315ad85094bSMauro Carvalho Chehab ret = gc0310_s_config(&dev->sd, client->irq, pdata); 1316ad85094bSMauro Carvalho Chehab if (ret) 1317ad85094bSMauro Carvalho Chehab goto out_free; 1318ad85094bSMauro Carvalho Chehab 1319ad85094bSMauro Carvalho Chehab ret = atomisp_register_i2c_module(&dev->sd, pdata, RAW_CAMERA); 1320ad85094bSMauro Carvalho Chehab if (ret) 1321ad85094bSMauro Carvalho Chehab goto out_free; 1322ad85094bSMauro Carvalho Chehab 1323ad85094bSMauro Carvalho Chehab dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1324ad85094bSMauro Carvalho Chehab dev->pad.flags = MEDIA_PAD_FL_SOURCE; 1325ad85094bSMauro Carvalho Chehab dev->format.code = MEDIA_BUS_FMT_SGRBG8_1X8; 1326ad85094bSMauro Carvalho Chehab dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 1327ad85094bSMauro Carvalho Chehab ret = 1328ad85094bSMauro Carvalho Chehab v4l2_ctrl_handler_init(&dev->ctrl_handler, 1329ad85094bSMauro Carvalho Chehab ARRAY_SIZE(gc0310_controls)); 1330ad85094bSMauro Carvalho Chehab if (ret) { 1331ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1332ad85094bSMauro Carvalho Chehab return ret; 1333ad85094bSMauro Carvalho Chehab } 1334ad85094bSMauro Carvalho Chehab 1335ad85094bSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(gc0310_controls); i++) 1336ad85094bSMauro Carvalho Chehab v4l2_ctrl_new_custom(&dev->ctrl_handler, &gc0310_controls[i], 1337ad85094bSMauro Carvalho Chehab NULL); 1338ad85094bSMauro Carvalho Chehab 1339ad85094bSMauro Carvalho Chehab if (dev->ctrl_handler.error) { 1340ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1341ad85094bSMauro Carvalho Chehab return dev->ctrl_handler.error; 1342ad85094bSMauro Carvalho Chehab } 1343ad85094bSMauro Carvalho Chehab 1344ad85094bSMauro Carvalho Chehab /* Use same lock for controls as for everything else. */ 1345ad85094bSMauro Carvalho Chehab dev->ctrl_handler.lock = &dev->input_lock; 1346ad85094bSMauro Carvalho Chehab dev->sd.ctrl_handler = &dev->ctrl_handler; 1347ad85094bSMauro Carvalho Chehab 1348ad85094bSMauro Carvalho Chehab ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad); 1349ad85094bSMauro Carvalho Chehab if (ret) 1350ad85094bSMauro Carvalho Chehab gc0310_remove(client); 1351ad85094bSMauro Carvalho Chehab 1352ad85094bSMauro Carvalho Chehab return ret; 1353ad85094bSMauro Carvalho Chehab out_free: 1354ad85094bSMauro Carvalho Chehab v4l2_device_unregister_subdev(&dev->sd); 1355ad85094bSMauro Carvalho Chehab kfree(dev); 1356ad85094bSMauro Carvalho Chehab return ret; 1357ad85094bSMauro Carvalho Chehab } 1358ad85094bSMauro Carvalho Chehab 1359ad85094bSMauro Carvalho Chehab static const struct acpi_device_id gc0310_acpi_match[] = { 1360ad85094bSMauro Carvalho Chehab {"XXGC0310"}, 1361ad85094bSMauro Carvalho Chehab {"INT0310"}, 1362ad85094bSMauro Carvalho Chehab {}, 1363ad85094bSMauro Carvalho Chehab }; 1364ad85094bSMauro Carvalho Chehab MODULE_DEVICE_TABLE(acpi, gc0310_acpi_match); 1365ad85094bSMauro Carvalho Chehab 1366ad85094bSMauro Carvalho Chehab static struct i2c_driver gc0310_driver = { 1367ad85094bSMauro Carvalho Chehab .driver = { 1368ad85094bSMauro Carvalho Chehab .name = "gc0310", 1369ad85094bSMauro Carvalho Chehab .acpi_match_table = gc0310_acpi_match, 1370ad85094bSMauro Carvalho Chehab }, 1371ad85094bSMauro Carvalho Chehab .probe_new = gc0310_probe, 1372ad85094bSMauro Carvalho Chehab .remove = gc0310_remove, 1373ad85094bSMauro Carvalho Chehab }; 1374ad85094bSMauro Carvalho Chehab module_i2c_driver(gc0310_driver); 1375ad85094bSMauro Carvalho Chehab 1376ad85094bSMauro Carvalho Chehab MODULE_AUTHOR("Lai, Angie <angie.lai@intel.com>"); 1377ad85094bSMauro Carvalho Chehab MODULE_DESCRIPTION("A low-level driver for GalaxyCore GC0310 sensors"); 1378ad85094bSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 1379