1cb7a01acSMauro Carvalho Chehab /* 2cb7a01acSMauro Carvalho Chehab * adv7170 - adv7170, adv7171 video encoder driver version 0.0.1 3cb7a01acSMauro Carvalho Chehab * 4cb7a01acSMauro Carvalho Chehab * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com> 5cb7a01acSMauro Carvalho Chehab * 6cb7a01acSMauro Carvalho Chehab * Based on adv7176 driver by: 7cb7a01acSMauro Carvalho Chehab * 8cb7a01acSMauro Carvalho Chehab * Copyright (C) 1998 Dave Perks <dperks@ibm.net> 9cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> 10cb7a01acSMauro Carvalho Chehab * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> 11cb7a01acSMauro Carvalho Chehab * - some corrections for Pinnacle Systems Inc. DC10plus card. 12cb7a01acSMauro Carvalho Chehab * 13cb7a01acSMauro Carvalho Chehab * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> 14cb7a01acSMauro Carvalho Chehab * - moved over to linux>=2.4.x i2c protocol (1/1/2003) 15cb7a01acSMauro Carvalho Chehab * 16cb7a01acSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify 17cb7a01acSMauro Carvalho Chehab * it under the terms of the GNU General Public License as published by 18cb7a01acSMauro Carvalho Chehab * the Free Software Foundation; either version 2 of the License, or 19cb7a01acSMauro Carvalho Chehab * (at your option) any later version. 20cb7a01acSMauro Carvalho Chehab * 21cb7a01acSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 22cb7a01acSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 23cb7a01acSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24cb7a01acSMauro Carvalho Chehab * GNU General Public License for more details. 25cb7a01acSMauro Carvalho Chehab * 26cb7a01acSMauro Carvalho Chehab * You should have received a copy of the GNU General Public License 27cb7a01acSMauro Carvalho Chehab * along with this program; if not, write to the Free Software 28cb7a01acSMauro Carvalho Chehab * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 29cb7a01acSMauro Carvalho Chehab */ 30cb7a01acSMauro Carvalho Chehab 31cb7a01acSMauro Carvalho Chehab #include <linux/module.h> 32cb7a01acSMauro Carvalho Chehab #include <linux/types.h> 33cb7a01acSMauro Carvalho Chehab #include <linux/slab.h> 34cb7a01acSMauro Carvalho Chehab #include <linux/ioctl.h> 35cb7a01acSMauro Carvalho Chehab #include <asm/uaccess.h> 36cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h> 37cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h> 38cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h> 39cb7a01acSMauro Carvalho Chehab #include <media/v4l2-chip-ident.h> 40cb7a01acSMauro Carvalho Chehab 41cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver"); 42cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Maxim Yevtyushkin"); 43cb7a01acSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 44cb7a01acSMauro Carvalho Chehab 45cb7a01acSMauro Carvalho Chehab 46cb7a01acSMauro Carvalho Chehab static int debug; 47cb7a01acSMauro Carvalho Chehab module_param(debug, int, 0); 48cb7a01acSMauro Carvalho Chehab MODULE_PARM_DESC(debug, "Debug level (0-1)"); 49cb7a01acSMauro Carvalho Chehab 50cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 51cb7a01acSMauro Carvalho Chehab 52cb7a01acSMauro Carvalho Chehab struct adv7170 { 53cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd; 54cb7a01acSMauro Carvalho Chehab unsigned char reg[128]; 55cb7a01acSMauro Carvalho Chehab 56cb7a01acSMauro Carvalho Chehab v4l2_std_id norm; 57cb7a01acSMauro Carvalho Chehab int input; 58cb7a01acSMauro Carvalho Chehab }; 59cb7a01acSMauro Carvalho Chehab 60cb7a01acSMauro Carvalho Chehab static inline struct adv7170 *to_adv7170(struct v4l2_subdev *sd) 61cb7a01acSMauro Carvalho Chehab { 62cb7a01acSMauro Carvalho Chehab return container_of(sd, struct adv7170, sd); 63cb7a01acSMauro Carvalho Chehab } 64cb7a01acSMauro Carvalho Chehab 65cb7a01acSMauro Carvalho Chehab static char *inputs[] = { "pass_through", "play_back" }; 66cb7a01acSMauro Carvalho Chehab 67cb7a01acSMauro Carvalho Chehab static enum v4l2_mbus_pixelcode adv7170_codes[] = { 68cb7a01acSMauro Carvalho Chehab V4L2_MBUS_FMT_UYVY8_2X8, 69cb7a01acSMauro Carvalho Chehab V4L2_MBUS_FMT_UYVY8_1X16, 70cb7a01acSMauro Carvalho Chehab }; 71cb7a01acSMauro Carvalho Chehab 72cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 73cb7a01acSMauro Carvalho Chehab 74cb7a01acSMauro Carvalho Chehab static inline int adv7170_write(struct v4l2_subdev *sd, u8 reg, u8 value) 75cb7a01acSMauro Carvalho Chehab { 76cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 77cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd); 78cb7a01acSMauro Carvalho Chehab 79cb7a01acSMauro Carvalho Chehab encoder->reg[reg] = value; 80cb7a01acSMauro Carvalho Chehab return i2c_smbus_write_byte_data(client, reg, value); 81cb7a01acSMauro Carvalho Chehab } 82cb7a01acSMauro Carvalho Chehab 83cb7a01acSMauro Carvalho Chehab static inline int adv7170_read(struct v4l2_subdev *sd, u8 reg) 84cb7a01acSMauro Carvalho Chehab { 85cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 86cb7a01acSMauro Carvalho Chehab 87cb7a01acSMauro Carvalho Chehab return i2c_smbus_read_byte_data(client, reg); 88cb7a01acSMauro Carvalho Chehab } 89cb7a01acSMauro Carvalho Chehab 90cb7a01acSMauro Carvalho Chehab static int adv7170_write_block(struct v4l2_subdev *sd, 91cb7a01acSMauro Carvalho Chehab const u8 *data, unsigned int len) 92cb7a01acSMauro Carvalho Chehab { 93cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 94cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd); 95cb7a01acSMauro Carvalho Chehab int ret = -1; 96cb7a01acSMauro Carvalho Chehab u8 reg; 97cb7a01acSMauro Carvalho Chehab 98cb7a01acSMauro Carvalho Chehab /* the adv7170 has an autoincrement function, use it if 99cb7a01acSMauro Carvalho Chehab * the adapter understands raw I2C */ 100cb7a01acSMauro Carvalho Chehab if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { 101cb7a01acSMauro Carvalho Chehab /* do raw I2C, not smbus compatible */ 102cb7a01acSMauro Carvalho Chehab u8 block_data[32]; 103cb7a01acSMauro Carvalho Chehab int block_len; 104cb7a01acSMauro Carvalho Chehab 105cb7a01acSMauro Carvalho Chehab while (len >= 2) { 106cb7a01acSMauro Carvalho Chehab block_len = 0; 107cb7a01acSMauro Carvalho Chehab block_data[block_len++] = reg = data[0]; 108cb7a01acSMauro Carvalho Chehab do { 109cb7a01acSMauro Carvalho Chehab block_data[block_len++] = 110cb7a01acSMauro Carvalho Chehab encoder->reg[reg++] = data[1]; 111cb7a01acSMauro Carvalho Chehab len -= 2; 112cb7a01acSMauro Carvalho Chehab data += 2; 113cb7a01acSMauro Carvalho Chehab } while (len >= 2 && data[0] == reg && block_len < 32); 114cb7a01acSMauro Carvalho Chehab ret = i2c_master_send(client, block_data, block_len); 115cb7a01acSMauro Carvalho Chehab if (ret < 0) 116cb7a01acSMauro Carvalho Chehab break; 117cb7a01acSMauro Carvalho Chehab } 118cb7a01acSMauro Carvalho Chehab } else { 119cb7a01acSMauro Carvalho Chehab /* do some slow I2C emulation kind of thing */ 120cb7a01acSMauro Carvalho Chehab while (len >= 2) { 121cb7a01acSMauro Carvalho Chehab reg = *data++; 122cb7a01acSMauro Carvalho Chehab ret = adv7170_write(sd, reg, *data++); 123cb7a01acSMauro Carvalho Chehab if (ret < 0) 124cb7a01acSMauro Carvalho Chehab break; 125cb7a01acSMauro Carvalho Chehab len -= 2; 126cb7a01acSMauro Carvalho Chehab } 127cb7a01acSMauro Carvalho Chehab } 128cb7a01acSMauro Carvalho Chehab return ret; 129cb7a01acSMauro Carvalho Chehab } 130cb7a01acSMauro Carvalho Chehab 131cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 132cb7a01acSMauro Carvalho Chehab 133cb7a01acSMauro Carvalho Chehab #define TR0MODE 0x4c 134cb7a01acSMauro Carvalho Chehab #define TR0RST 0x80 135cb7a01acSMauro Carvalho Chehab 136cb7a01acSMauro Carvalho Chehab #define TR1CAPT 0x00 137cb7a01acSMauro Carvalho Chehab #define TR1PLAY 0x00 138cb7a01acSMauro Carvalho Chehab 139cb7a01acSMauro Carvalho Chehab static const unsigned char init_NTSC[] = { 140cb7a01acSMauro Carvalho Chehab 0x00, 0x10, /* MR0 */ 141cb7a01acSMauro Carvalho Chehab 0x01, 0x20, /* MR1 */ 142cb7a01acSMauro Carvalho Chehab 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */ 143cb7a01acSMauro Carvalho Chehab 0x03, 0x80, /* MR3 */ 144cb7a01acSMauro Carvalho Chehab 0x04, 0x30, /* MR4 */ 145cb7a01acSMauro Carvalho Chehab 0x05, 0x00, /* Reserved */ 146cb7a01acSMauro Carvalho Chehab 0x06, 0x00, /* Reserved */ 147cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TM0 */ 148cb7a01acSMauro Carvalho Chehab 0x08, TR1CAPT, /* TM1 */ 149cb7a01acSMauro Carvalho Chehab 0x09, 0x16, /* Fsc0 */ 150cb7a01acSMauro Carvalho Chehab 0x0a, 0x7c, /* Fsc1 */ 151cb7a01acSMauro Carvalho Chehab 0x0b, 0xf0, /* Fsc2 */ 152cb7a01acSMauro Carvalho Chehab 0x0c, 0x21, /* Fsc3 */ 153cb7a01acSMauro Carvalho Chehab 0x0d, 0x00, /* Subcarrier Phase */ 154cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* Closed Capt. Ext 0 */ 155cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* Closed Capt. Ext 1 */ 156cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* Closed Capt. 0 */ 157cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* Closed Capt. 1 */ 158cb7a01acSMauro Carvalho Chehab 0x12, 0x00, /* Pedestal Ctl 0 */ 159cb7a01acSMauro Carvalho Chehab 0x13, 0x00, /* Pedestal Ctl 1 */ 160cb7a01acSMauro Carvalho Chehab 0x14, 0x00, /* Pedestal Ctl 2 */ 161cb7a01acSMauro Carvalho Chehab 0x15, 0x00, /* Pedestal Ctl 3 */ 162cb7a01acSMauro Carvalho Chehab 0x16, 0x00, /* CGMS_WSS_0 */ 163cb7a01acSMauro Carvalho Chehab 0x17, 0x00, /* CGMS_WSS_1 */ 164cb7a01acSMauro Carvalho Chehab 0x18, 0x00, /* CGMS_WSS_2 */ 165cb7a01acSMauro Carvalho Chehab 0x19, 0x00, /* Teletext Ctl */ 166cb7a01acSMauro Carvalho Chehab }; 167cb7a01acSMauro Carvalho Chehab 168cb7a01acSMauro Carvalho Chehab static const unsigned char init_PAL[] = { 169cb7a01acSMauro Carvalho Chehab 0x00, 0x71, /* MR0 */ 170cb7a01acSMauro Carvalho Chehab 0x01, 0x20, /* MR1 */ 171cb7a01acSMauro Carvalho Chehab 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */ 172cb7a01acSMauro Carvalho Chehab 0x03, 0x80, /* MR3 */ 173cb7a01acSMauro Carvalho Chehab 0x04, 0x30, /* MR4 */ 174cb7a01acSMauro Carvalho Chehab 0x05, 0x00, /* Reserved */ 175cb7a01acSMauro Carvalho Chehab 0x06, 0x00, /* Reserved */ 176cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TM0 */ 177cb7a01acSMauro Carvalho Chehab 0x08, TR1CAPT, /* TM1 */ 178cb7a01acSMauro Carvalho Chehab 0x09, 0xcb, /* Fsc0 */ 179cb7a01acSMauro Carvalho Chehab 0x0a, 0x8a, /* Fsc1 */ 180cb7a01acSMauro Carvalho Chehab 0x0b, 0x09, /* Fsc2 */ 181cb7a01acSMauro Carvalho Chehab 0x0c, 0x2a, /* Fsc3 */ 182cb7a01acSMauro Carvalho Chehab 0x0d, 0x00, /* Subcarrier Phase */ 183cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* Closed Capt. Ext 0 */ 184cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* Closed Capt. Ext 1 */ 185cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* Closed Capt. 0 */ 186cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* Closed Capt. 1 */ 187cb7a01acSMauro Carvalho Chehab 0x12, 0x00, /* Pedestal Ctl 0 */ 188cb7a01acSMauro Carvalho Chehab 0x13, 0x00, /* Pedestal Ctl 1 */ 189cb7a01acSMauro Carvalho Chehab 0x14, 0x00, /* Pedestal Ctl 2 */ 190cb7a01acSMauro Carvalho Chehab 0x15, 0x00, /* Pedestal Ctl 3 */ 191cb7a01acSMauro Carvalho Chehab 0x16, 0x00, /* CGMS_WSS_0 */ 192cb7a01acSMauro Carvalho Chehab 0x17, 0x00, /* CGMS_WSS_1 */ 193cb7a01acSMauro Carvalho Chehab 0x18, 0x00, /* CGMS_WSS_2 */ 194cb7a01acSMauro Carvalho Chehab 0x19, 0x00, /* Teletext Ctl */ 195cb7a01acSMauro Carvalho Chehab }; 196cb7a01acSMauro Carvalho Chehab 197cb7a01acSMauro Carvalho Chehab 198cb7a01acSMauro Carvalho Chehab static int adv7170_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) 199cb7a01acSMauro Carvalho Chehab { 200cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd); 201cb7a01acSMauro Carvalho Chehab 202cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std); 203cb7a01acSMauro Carvalho Chehab 204cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) { 205cb7a01acSMauro Carvalho Chehab adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC)); 206cb7a01acSMauro Carvalho Chehab if (encoder->input == 0) 207cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ 208cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST); 209cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE); 210cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) { 211cb7a01acSMauro Carvalho Chehab adv7170_write_block(sd, init_PAL, sizeof(init_PAL)); 212cb7a01acSMauro Carvalho Chehab if (encoder->input == 0) 213cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ 214cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST); 215cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE); 216cb7a01acSMauro Carvalho Chehab } else { 217cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", 218cb7a01acSMauro Carvalho Chehab (unsigned long long)std); 219cb7a01acSMauro Carvalho Chehab return -EINVAL; 220cb7a01acSMauro Carvalho Chehab } 221cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std); 222cb7a01acSMauro Carvalho Chehab encoder->norm = std; 223cb7a01acSMauro Carvalho Chehab return 0; 224cb7a01acSMauro Carvalho Chehab } 225cb7a01acSMauro Carvalho Chehab 226cb7a01acSMauro Carvalho Chehab static int adv7170_s_routing(struct v4l2_subdev *sd, 227cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config) 228cb7a01acSMauro Carvalho Chehab { 229cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder = to_adv7170(sd); 230cb7a01acSMauro Carvalho Chehab 231cb7a01acSMauro Carvalho Chehab /* RJ: input = 0: input is from decoder 232cb7a01acSMauro Carvalho Chehab input = 1: input is from ZR36060 233cb7a01acSMauro Carvalho Chehab input = 2: color bar */ 234cb7a01acSMauro Carvalho Chehab 235cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "set input from %s\n", 236cb7a01acSMauro Carvalho Chehab input == 0 ? "decoder" : "ZR36060"); 237cb7a01acSMauro Carvalho Chehab 238cb7a01acSMauro Carvalho Chehab switch (input) { 239cb7a01acSMauro Carvalho Chehab case 0: 240cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x01, 0x20); 241cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x08, TR1CAPT); /* TR1 */ 242cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ 243cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST); 244cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE); 245cb7a01acSMauro Carvalho Chehab /* udelay(10); */ 246cb7a01acSMauro Carvalho Chehab break; 247cb7a01acSMauro Carvalho Chehab 248cb7a01acSMauro Carvalho Chehab case 1: 249cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x01, 0x00); 250cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x08, TR1PLAY); /* TR1 */ 251cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x02, 0x08); 252cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE | TR0RST); 253cb7a01acSMauro Carvalho Chehab adv7170_write(sd, 0x07, TR0MODE); 254cb7a01acSMauro Carvalho Chehab /* udelay(10); */ 255cb7a01acSMauro Carvalho Chehab break; 256cb7a01acSMauro Carvalho Chehab 257cb7a01acSMauro Carvalho Chehab default: 258cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal input: %d\n", input); 259cb7a01acSMauro Carvalho Chehab return -EINVAL; 260cb7a01acSMauro Carvalho Chehab } 261cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]); 262cb7a01acSMauro Carvalho Chehab encoder->input = input; 263cb7a01acSMauro Carvalho Chehab return 0; 264cb7a01acSMauro Carvalho Chehab } 265cb7a01acSMauro Carvalho Chehab 266cb7a01acSMauro Carvalho Chehab static int adv7170_enum_fmt(struct v4l2_subdev *sd, unsigned int index, 267cb7a01acSMauro Carvalho Chehab enum v4l2_mbus_pixelcode *code) 268cb7a01acSMauro Carvalho Chehab { 269cb7a01acSMauro Carvalho Chehab if (index >= ARRAY_SIZE(adv7170_codes)) 270cb7a01acSMauro Carvalho Chehab return -EINVAL; 271cb7a01acSMauro Carvalho Chehab 272cb7a01acSMauro Carvalho Chehab *code = adv7170_codes[index]; 273cb7a01acSMauro Carvalho Chehab return 0; 274cb7a01acSMauro Carvalho Chehab } 275cb7a01acSMauro Carvalho Chehab 276cb7a01acSMauro Carvalho Chehab static int adv7170_g_fmt(struct v4l2_subdev *sd, 277cb7a01acSMauro Carvalho Chehab struct v4l2_mbus_framefmt *mf) 278cb7a01acSMauro Carvalho Chehab { 279cb7a01acSMauro Carvalho Chehab u8 val = adv7170_read(sd, 0x7); 280cb7a01acSMauro Carvalho Chehab 281cb7a01acSMauro Carvalho Chehab if ((val & 0x40) == (1 << 6)) 282cb7a01acSMauro Carvalho Chehab mf->code = V4L2_MBUS_FMT_UYVY8_1X16; 283cb7a01acSMauro Carvalho Chehab else 284cb7a01acSMauro Carvalho Chehab mf->code = V4L2_MBUS_FMT_UYVY8_2X8; 285cb7a01acSMauro Carvalho Chehab 286cb7a01acSMauro Carvalho Chehab mf->colorspace = V4L2_COLORSPACE_SMPTE170M; 287cb7a01acSMauro Carvalho Chehab mf->width = 0; 288cb7a01acSMauro Carvalho Chehab mf->height = 0; 289cb7a01acSMauro Carvalho Chehab mf->field = V4L2_FIELD_ANY; 290cb7a01acSMauro Carvalho Chehab 291cb7a01acSMauro Carvalho Chehab return 0; 292cb7a01acSMauro Carvalho Chehab } 293cb7a01acSMauro Carvalho Chehab 294cb7a01acSMauro Carvalho Chehab static int adv7170_s_fmt(struct v4l2_subdev *sd, 295cb7a01acSMauro Carvalho Chehab struct v4l2_mbus_framefmt *mf) 296cb7a01acSMauro Carvalho Chehab { 297cb7a01acSMauro Carvalho Chehab u8 val = adv7170_read(sd, 0x7); 298cb7a01acSMauro Carvalho Chehab int ret; 299cb7a01acSMauro Carvalho Chehab 300cb7a01acSMauro Carvalho Chehab switch (mf->code) { 301cb7a01acSMauro Carvalho Chehab case V4L2_MBUS_FMT_UYVY8_2X8: 302cb7a01acSMauro Carvalho Chehab val &= ~0x40; 303cb7a01acSMauro Carvalho Chehab break; 304cb7a01acSMauro Carvalho Chehab 305cb7a01acSMauro Carvalho Chehab case V4L2_MBUS_FMT_UYVY8_1X16: 306cb7a01acSMauro Carvalho Chehab val |= 0x40; 307cb7a01acSMauro Carvalho Chehab break; 308cb7a01acSMauro Carvalho Chehab 309cb7a01acSMauro Carvalho Chehab default: 310cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, 311cb7a01acSMauro Carvalho Chehab "illegal v4l2_mbus_framefmt code: %d\n", mf->code); 312cb7a01acSMauro Carvalho Chehab return -EINVAL; 313cb7a01acSMauro Carvalho Chehab } 314cb7a01acSMauro Carvalho Chehab 315cb7a01acSMauro Carvalho Chehab ret = adv7170_write(sd, 0x7, val); 316cb7a01acSMauro Carvalho Chehab 317cb7a01acSMauro Carvalho Chehab return ret; 318cb7a01acSMauro Carvalho Chehab } 319cb7a01acSMauro Carvalho Chehab 320cb7a01acSMauro Carvalho Chehab static int adv7170_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) 321cb7a01acSMauro Carvalho Chehab { 322cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 323cb7a01acSMauro Carvalho Chehab 324cb7a01acSMauro Carvalho Chehab return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7170, 0); 325cb7a01acSMauro Carvalho Chehab } 326cb7a01acSMauro Carvalho Chehab 327cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 328cb7a01acSMauro Carvalho Chehab 329cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_core_ops adv7170_core_ops = { 330cb7a01acSMauro Carvalho Chehab .g_chip_ident = adv7170_g_chip_ident, 331cb7a01acSMauro Carvalho Chehab }; 332cb7a01acSMauro Carvalho Chehab 333cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops adv7170_video_ops = { 334cb7a01acSMauro Carvalho Chehab .s_std_output = adv7170_s_std_output, 335cb7a01acSMauro Carvalho Chehab .s_routing = adv7170_s_routing, 336cb7a01acSMauro Carvalho Chehab .s_mbus_fmt = adv7170_s_fmt, 337cb7a01acSMauro Carvalho Chehab .g_mbus_fmt = adv7170_g_fmt, 338cb7a01acSMauro Carvalho Chehab .enum_mbus_fmt = adv7170_enum_fmt, 339cb7a01acSMauro Carvalho Chehab }; 340cb7a01acSMauro Carvalho Chehab 341cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops adv7170_ops = { 342cb7a01acSMauro Carvalho Chehab .core = &adv7170_core_ops, 343cb7a01acSMauro Carvalho Chehab .video = &adv7170_video_ops, 344cb7a01acSMauro Carvalho Chehab }; 345cb7a01acSMauro Carvalho Chehab 346cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 347cb7a01acSMauro Carvalho Chehab 348cb7a01acSMauro Carvalho Chehab static int adv7170_probe(struct i2c_client *client, 349cb7a01acSMauro Carvalho Chehab const struct i2c_device_id *id) 350cb7a01acSMauro Carvalho Chehab { 351cb7a01acSMauro Carvalho Chehab struct adv7170 *encoder; 352cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd; 353cb7a01acSMauro Carvalho Chehab int i; 354cb7a01acSMauro Carvalho Chehab 355cb7a01acSMauro Carvalho Chehab /* Check if the adapter supports the needed features */ 356cb7a01acSMauro Carvalho Chehab if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 357cb7a01acSMauro Carvalho Chehab return -ENODEV; 358cb7a01acSMauro Carvalho Chehab 359cb7a01acSMauro Carvalho Chehab v4l_info(client, "chip found @ 0x%x (%s)\n", 360cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name); 361cb7a01acSMauro Carvalho Chehab 362c02b211dSLaurent Pinchart encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL); 363cb7a01acSMauro Carvalho Chehab if (encoder == NULL) 364cb7a01acSMauro Carvalho Chehab return -ENOMEM; 365cb7a01acSMauro Carvalho Chehab sd = &encoder->sd; 366cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &adv7170_ops); 367cb7a01acSMauro Carvalho Chehab encoder->norm = V4L2_STD_NTSC; 368cb7a01acSMauro Carvalho Chehab encoder->input = 0; 369cb7a01acSMauro Carvalho Chehab 370cb7a01acSMauro Carvalho Chehab i = adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC)); 371cb7a01acSMauro Carvalho Chehab if (i >= 0) { 372cb7a01acSMauro Carvalho Chehab i = adv7170_write(sd, 0x07, TR0MODE | TR0RST); 373cb7a01acSMauro Carvalho Chehab i = adv7170_write(sd, 0x07, TR0MODE); 374cb7a01acSMauro Carvalho Chehab i = adv7170_read(sd, 0x12); 375cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "revision %d\n", i & 1); 376cb7a01acSMauro Carvalho Chehab } 377cb7a01acSMauro Carvalho Chehab if (i < 0) 378cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "init error 0x%x\n", i); 379cb7a01acSMauro Carvalho Chehab return 0; 380cb7a01acSMauro Carvalho Chehab } 381cb7a01acSMauro Carvalho Chehab 382cb7a01acSMauro Carvalho Chehab static int adv7170_remove(struct i2c_client *client) 383cb7a01acSMauro Carvalho Chehab { 384cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 385cb7a01acSMauro Carvalho Chehab 386cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd); 387cb7a01acSMauro Carvalho Chehab return 0; 388cb7a01acSMauro Carvalho Chehab } 389cb7a01acSMauro Carvalho Chehab 390cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 391cb7a01acSMauro Carvalho Chehab 392cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id adv7170_id[] = { 393cb7a01acSMauro Carvalho Chehab { "adv7170", 0 }, 394cb7a01acSMauro Carvalho Chehab { "adv7171", 0 }, 395cb7a01acSMauro Carvalho Chehab { } 396cb7a01acSMauro Carvalho Chehab }; 397cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, adv7170_id); 398cb7a01acSMauro Carvalho Chehab 399cb7a01acSMauro Carvalho Chehab static struct i2c_driver adv7170_driver = { 400cb7a01acSMauro Carvalho Chehab .driver = { 401cb7a01acSMauro Carvalho Chehab .owner = THIS_MODULE, 402cb7a01acSMauro Carvalho Chehab .name = "adv7170", 403cb7a01acSMauro Carvalho Chehab }, 404cb7a01acSMauro Carvalho Chehab .probe = adv7170_probe, 405cb7a01acSMauro Carvalho Chehab .remove = adv7170_remove, 406cb7a01acSMauro Carvalho Chehab .id_table = adv7170_id, 407cb7a01acSMauro Carvalho Chehab }; 408cb7a01acSMauro Carvalho Chehab 409cb7a01acSMauro Carvalho Chehab module_i2c_driver(adv7170_driver); 410