1cb7a01acSMauro Carvalho Chehab /* 2cb7a01acSMauro Carvalho Chehab * adv7175 - adv7175a video encoder driver version 0.0.3 3cb7a01acSMauro Carvalho Chehab * 4cb7a01acSMauro Carvalho Chehab * Copyright (C) 1998 Dave Perks <dperks@ibm.net> 5cb7a01acSMauro Carvalho Chehab * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> 6cb7a01acSMauro Carvalho Chehab * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> 7cb7a01acSMauro Carvalho Chehab * - some corrections for Pinnacle Systems Inc. DC10plus card. 8cb7a01acSMauro Carvalho Chehab * 9cb7a01acSMauro Carvalho Chehab * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> 10cb7a01acSMauro Carvalho Chehab * - moved over to linux>=2.4.x i2c protocol (9/9/2002) 11cb7a01acSMauro Carvalho Chehab * 12cb7a01acSMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify 13cb7a01acSMauro Carvalho Chehab * it under the terms of the GNU General Public License as published by 14cb7a01acSMauro Carvalho Chehab * the Free Software Foundation; either version 2 of the License, or 15cb7a01acSMauro Carvalho Chehab * (at your option) any later version. 16cb7a01acSMauro Carvalho Chehab * 17cb7a01acSMauro Carvalho Chehab * This program is distributed in the hope that it will be useful, 18cb7a01acSMauro Carvalho Chehab * but WITHOUT ANY WARRANTY; without even the implied warranty of 19cb7a01acSMauro Carvalho Chehab * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20cb7a01acSMauro Carvalho Chehab * GNU General Public License for more details. 21cb7a01acSMauro Carvalho Chehab * 22cb7a01acSMauro Carvalho Chehab * You should have received a copy of the GNU General Public License 23cb7a01acSMauro Carvalho Chehab * along with this program; if not, write to the Free Software 24cb7a01acSMauro Carvalho Chehab * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 25cb7a01acSMauro Carvalho Chehab */ 26cb7a01acSMauro Carvalho Chehab 27cb7a01acSMauro Carvalho Chehab #include <linux/module.h> 28cb7a01acSMauro Carvalho Chehab #include <linux/types.h> 29cb7a01acSMauro Carvalho Chehab #include <linux/slab.h> 30cb7a01acSMauro Carvalho Chehab #include <linux/ioctl.h> 31cb7a01acSMauro Carvalho Chehab #include <asm/uaccess.h> 32cb7a01acSMauro Carvalho Chehab #include <linux/i2c.h> 33cb7a01acSMauro Carvalho Chehab #include <linux/videodev2.h> 34cb7a01acSMauro Carvalho Chehab #include <media/v4l2-device.h> 35cb7a01acSMauro Carvalho Chehab #include <media/v4l2-chip-ident.h> 36cb7a01acSMauro Carvalho Chehab 37cb7a01acSMauro Carvalho Chehab MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver"); 38cb7a01acSMauro Carvalho Chehab MODULE_AUTHOR("Dave Perks"); 39cb7a01acSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 40cb7a01acSMauro Carvalho Chehab 41cb7a01acSMauro Carvalho Chehab #define I2C_ADV7175 0xd4 42cb7a01acSMauro Carvalho Chehab #define I2C_ADV7176 0x54 43cb7a01acSMauro Carvalho Chehab 44cb7a01acSMauro Carvalho Chehab 45cb7a01acSMauro Carvalho Chehab static int debug; 46cb7a01acSMauro Carvalho Chehab module_param(debug, int, 0); 47cb7a01acSMauro Carvalho Chehab MODULE_PARM_DESC(debug, "Debug level (0-1)"); 48cb7a01acSMauro Carvalho Chehab 49cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 50cb7a01acSMauro Carvalho Chehab 51cb7a01acSMauro Carvalho Chehab struct adv7175 { 52cb7a01acSMauro Carvalho Chehab struct v4l2_subdev sd; 53cb7a01acSMauro Carvalho Chehab v4l2_std_id norm; 54cb7a01acSMauro Carvalho Chehab int input; 55cb7a01acSMauro Carvalho Chehab }; 56cb7a01acSMauro Carvalho Chehab 57cb7a01acSMauro Carvalho Chehab static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd) 58cb7a01acSMauro Carvalho Chehab { 59cb7a01acSMauro Carvalho Chehab return container_of(sd, struct adv7175, sd); 60cb7a01acSMauro Carvalho Chehab } 61cb7a01acSMauro Carvalho Chehab 62cb7a01acSMauro Carvalho Chehab static char *inputs[] = { "pass_through", "play_back", "color_bar" }; 63cb7a01acSMauro Carvalho Chehab 64cb7a01acSMauro Carvalho Chehab static enum v4l2_mbus_pixelcode adv7175_codes[] = { 65cb7a01acSMauro Carvalho Chehab V4L2_MBUS_FMT_UYVY8_2X8, 66cb7a01acSMauro Carvalho Chehab V4L2_MBUS_FMT_UYVY8_1X16, 67cb7a01acSMauro Carvalho Chehab }; 68cb7a01acSMauro Carvalho Chehab 69cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 70cb7a01acSMauro Carvalho Chehab 71cb7a01acSMauro Carvalho Chehab static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value) 72cb7a01acSMauro Carvalho Chehab { 73cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 74cb7a01acSMauro Carvalho Chehab 75cb7a01acSMauro Carvalho Chehab return i2c_smbus_write_byte_data(client, reg, value); 76cb7a01acSMauro Carvalho Chehab } 77cb7a01acSMauro Carvalho Chehab 78cb7a01acSMauro Carvalho Chehab static inline int adv7175_read(struct v4l2_subdev *sd, u8 reg) 79cb7a01acSMauro Carvalho Chehab { 80cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 81cb7a01acSMauro Carvalho Chehab 82cb7a01acSMauro Carvalho Chehab return i2c_smbus_read_byte_data(client, reg); 83cb7a01acSMauro Carvalho Chehab } 84cb7a01acSMauro Carvalho Chehab 85cb7a01acSMauro Carvalho Chehab static int adv7175_write_block(struct v4l2_subdev *sd, 86cb7a01acSMauro Carvalho Chehab const u8 *data, unsigned int len) 87cb7a01acSMauro Carvalho Chehab { 88cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 89cb7a01acSMauro Carvalho Chehab int ret = -1; 90cb7a01acSMauro Carvalho Chehab u8 reg; 91cb7a01acSMauro Carvalho Chehab 92cb7a01acSMauro Carvalho Chehab /* the adv7175 has an autoincrement function, use it if 93cb7a01acSMauro Carvalho Chehab * the adapter understands raw I2C */ 94cb7a01acSMauro Carvalho Chehab if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { 95cb7a01acSMauro Carvalho Chehab /* do raw I2C, not smbus compatible */ 96cb7a01acSMauro Carvalho Chehab u8 block_data[32]; 97cb7a01acSMauro Carvalho Chehab int block_len; 98cb7a01acSMauro Carvalho Chehab 99cb7a01acSMauro Carvalho Chehab while (len >= 2) { 100cb7a01acSMauro Carvalho Chehab block_len = 0; 101cb7a01acSMauro Carvalho Chehab block_data[block_len++] = reg = data[0]; 102cb7a01acSMauro Carvalho Chehab do { 103cb7a01acSMauro Carvalho Chehab block_data[block_len++] = data[1]; 104cb7a01acSMauro Carvalho Chehab reg++; 105cb7a01acSMauro Carvalho Chehab len -= 2; 106cb7a01acSMauro Carvalho Chehab data += 2; 107cb7a01acSMauro Carvalho Chehab } while (len >= 2 && data[0] == reg && block_len < 32); 108cb7a01acSMauro Carvalho Chehab ret = i2c_master_send(client, block_data, block_len); 109cb7a01acSMauro Carvalho Chehab if (ret < 0) 110cb7a01acSMauro Carvalho Chehab break; 111cb7a01acSMauro Carvalho Chehab } 112cb7a01acSMauro Carvalho Chehab } else { 113cb7a01acSMauro Carvalho Chehab /* do some slow I2C emulation kind of thing */ 114cb7a01acSMauro Carvalho Chehab while (len >= 2) { 115cb7a01acSMauro Carvalho Chehab reg = *data++; 116cb7a01acSMauro Carvalho Chehab ret = adv7175_write(sd, reg, *data++); 117cb7a01acSMauro Carvalho Chehab if (ret < 0) 118cb7a01acSMauro Carvalho Chehab break; 119cb7a01acSMauro Carvalho Chehab len -= 2; 120cb7a01acSMauro Carvalho Chehab } 121cb7a01acSMauro Carvalho Chehab } 122cb7a01acSMauro Carvalho Chehab 123cb7a01acSMauro Carvalho Chehab return ret; 124cb7a01acSMauro Carvalho Chehab } 125cb7a01acSMauro Carvalho Chehab 126cb7a01acSMauro Carvalho Chehab static void set_subcarrier_freq(struct v4l2_subdev *sd, int pass_through) 127cb7a01acSMauro Carvalho Chehab { 128cb7a01acSMauro Carvalho Chehab /* for some reason pass_through NTSC needs 129cb7a01acSMauro Carvalho Chehab * a different sub-carrier freq to remain stable. */ 130cb7a01acSMauro Carvalho Chehab if (pass_through) 131cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x02, 0x00); 132cb7a01acSMauro Carvalho Chehab else 133cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x02, 0x55); 134cb7a01acSMauro Carvalho Chehab 135cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x03, 0x55); 136cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x04, 0x55); 137cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x05, 0x25); 138cb7a01acSMauro Carvalho Chehab } 139cb7a01acSMauro Carvalho Chehab 140cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 141cb7a01acSMauro Carvalho Chehab /* Output filter: S-Video Composite */ 142cb7a01acSMauro Carvalho Chehab 143cb7a01acSMauro Carvalho Chehab #define MR050 0x11 /* 0x09 */ 144cb7a01acSMauro Carvalho Chehab #define MR060 0x14 /* 0x0c */ 145cb7a01acSMauro Carvalho Chehab 146cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 147cb7a01acSMauro Carvalho Chehab 148cb7a01acSMauro Carvalho Chehab #define TR0MODE 0x46 149cb7a01acSMauro Carvalho Chehab #define TR0RST 0x80 150cb7a01acSMauro Carvalho Chehab 151cb7a01acSMauro Carvalho Chehab #define TR1CAPT 0x80 152cb7a01acSMauro Carvalho Chehab #define TR1PLAY 0x00 153cb7a01acSMauro Carvalho Chehab 154cb7a01acSMauro Carvalho Chehab static const unsigned char init_common[] = { 155cb7a01acSMauro Carvalho Chehab 156cb7a01acSMauro Carvalho Chehab 0x00, MR050, /* MR0, PAL enabled */ 157cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */ 158cb7a01acSMauro Carvalho Chehab 0x02, 0x0c, /* subc. freq. */ 159cb7a01acSMauro Carvalho Chehab 0x03, 0x8c, /* subc. freq. */ 160cb7a01acSMauro Carvalho Chehab 0x04, 0x79, /* subc. freq. */ 161cb7a01acSMauro Carvalho Chehab 0x05, 0x26, /* subc. freq. */ 162cb7a01acSMauro Carvalho Chehab 0x06, 0x40, /* subc. phase */ 163cb7a01acSMauro Carvalho Chehab 164cb7a01acSMauro Carvalho Chehab 0x07, TR0MODE, /* TR0, 16bit */ 165cb7a01acSMauro Carvalho Chehab 0x08, 0x21, /* */ 166cb7a01acSMauro Carvalho Chehab 0x09, 0x00, /* */ 167cb7a01acSMauro Carvalho Chehab 0x0a, 0x00, /* */ 168cb7a01acSMauro Carvalho Chehab 0x0b, 0x00, /* */ 169cb7a01acSMauro Carvalho Chehab 0x0c, TR1CAPT, /* TR1 */ 170cb7a01acSMauro Carvalho Chehab 0x0d, 0x4f, /* MR2 */ 171cb7a01acSMauro Carvalho Chehab 0x0e, 0x00, /* */ 172cb7a01acSMauro Carvalho Chehab 0x0f, 0x00, /* */ 173cb7a01acSMauro Carvalho Chehab 0x10, 0x00, /* */ 174cb7a01acSMauro Carvalho Chehab 0x11, 0x00, /* */ 175cb7a01acSMauro Carvalho Chehab }; 176cb7a01acSMauro Carvalho Chehab 177cb7a01acSMauro Carvalho Chehab static const unsigned char init_pal[] = { 178cb7a01acSMauro Carvalho Chehab 0x00, MR050, /* MR0, PAL enabled */ 179cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */ 180cb7a01acSMauro Carvalho Chehab 0x02, 0x0c, /* subc. freq. */ 181cb7a01acSMauro Carvalho Chehab 0x03, 0x8c, /* subc. freq. */ 182cb7a01acSMauro Carvalho Chehab 0x04, 0x79, /* subc. freq. */ 183cb7a01acSMauro Carvalho Chehab 0x05, 0x26, /* subc. freq. */ 184cb7a01acSMauro Carvalho Chehab 0x06, 0x40, /* subc. phase */ 185cb7a01acSMauro Carvalho Chehab }; 186cb7a01acSMauro Carvalho Chehab 187cb7a01acSMauro Carvalho Chehab static const unsigned char init_ntsc[] = { 188cb7a01acSMauro Carvalho Chehab 0x00, MR060, /* MR0, NTSC enabled */ 189cb7a01acSMauro Carvalho Chehab 0x01, 0x00, /* MR1 */ 190cb7a01acSMauro Carvalho Chehab 0x02, 0x55, /* subc. freq. */ 191cb7a01acSMauro Carvalho Chehab 0x03, 0x55, /* subc. freq. */ 192cb7a01acSMauro Carvalho Chehab 0x04, 0x55, /* subc. freq. */ 193cb7a01acSMauro Carvalho Chehab 0x05, 0x25, /* subc. freq. */ 194cb7a01acSMauro Carvalho Chehab 0x06, 0x1a, /* subc. phase */ 195cb7a01acSMauro Carvalho Chehab }; 196cb7a01acSMauro Carvalho Chehab 197cb7a01acSMauro Carvalho Chehab static int adv7175_init(struct v4l2_subdev *sd, u32 val) 198cb7a01acSMauro Carvalho Chehab { 199cb7a01acSMauro Carvalho Chehab /* This is just for testing!!! */ 200cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_common, sizeof(init_common)); 201cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 202cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 203cb7a01acSMauro Carvalho Chehab return 0; 204cb7a01acSMauro Carvalho Chehab } 205cb7a01acSMauro Carvalho Chehab 206cb7a01acSMauro Carvalho Chehab static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) 207cb7a01acSMauro Carvalho Chehab { 208cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder = to_adv7175(sd); 209cb7a01acSMauro Carvalho Chehab 210cb7a01acSMauro Carvalho Chehab if (std & V4L2_STD_NTSC) { 211cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc)); 212cb7a01acSMauro Carvalho Chehab if (encoder->input == 0) 213cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ 214cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 215cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 216cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_PAL) { 217cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_pal, sizeof(init_pal)); 218cb7a01acSMauro Carvalho Chehab if (encoder->input == 0) 219cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ 220cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 221cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 222cb7a01acSMauro Carvalho Chehab } else if (std & V4L2_STD_SECAM) { 223cb7a01acSMauro Carvalho Chehab /* This is an attempt to convert 224cb7a01acSMauro Carvalho Chehab * SECAM->PAL (typically it does not work 225cb7a01acSMauro Carvalho Chehab * due to genlock: when decoder is in SECAM 226cb7a01acSMauro Carvalho Chehab * and encoder in in PAL the subcarrier can 227cb7a01acSMauro Carvalho Chehab * not be syncronized with horizontal 228cb7a01acSMauro Carvalho Chehab * quency) */ 229cb7a01acSMauro Carvalho Chehab adv7175_write_block(sd, init_pal, sizeof(init_pal)); 230cb7a01acSMauro Carvalho Chehab if (encoder->input == 0) 231cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ 232cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 233cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 234cb7a01acSMauro Carvalho Chehab } else { 235cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", 236cb7a01acSMauro Carvalho Chehab (unsigned long long)std); 237cb7a01acSMauro Carvalho Chehab return -EINVAL; 238cb7a01acSMauro Carvalho Chehab } 239cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std); 240cb7a01acSMauro Carvalho Chehab encoder->norm = std; 241cb7a01acSMauro Carvalho Chehab return 0; 242cb7a01acSMauro Carvalho Chehab } 243cb7a01acSMauro Carvalho Chehab 244cb7a01acSMauro Carvalho Chehab static int adv7175_s_routing(struct v4l2_subdev *sd, 245cb7a01acSMauro Carvalho Chehab u32 input, u32 output, u32 config) 246cb7a01acSMauro Carvalho Chehab { 247cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder = to_adv7175(sd); 248cb7a01acSMauro Carvalho Chehab 249cb7a01acSMauro Carvalho Chehab /* RJ: input = 0: input is from decoder 250cb7a01acSMauro Carvalho Chehab input = 1: input is from ZR36060 251cb7a01acSMauro Carvalho Chehab input = 2: color bar */ 252cb7a01acSMauro Carvalho Chehab 253cb7a01acSMauro Carvalho Chehab switch (input) { 254cb7a01acSMauro Carvalho Chehab case 0: 255cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00); 256cb7a01acSMauro Carvalho Chehab 257cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC) 258cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 1); 259cb7a01acSMauro Carvalho Chehab 260cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */ 261cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_SECAM) 262cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ 263cb7a01acSMauro Carvalho Chehab else 264cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ 265cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 266cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 267cb7a01acSMauro Carvalho Chehab /*udelay(10);*/ 268cb7a01acSMauro Carvalho Chehab break; 269cb7a01acSMauro Carvalho Chehab 270cb7a01acSMauro Carvalho Chehab case 1: 271cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00); 272cb7a01acSMauro Carvalho Chehab 273cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC) 274cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 0); 275cb7a01acSMauro Carvalho Chehab 276cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0c, TR1PLAY); /* TR1 */ 277cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); 278cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 279cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 280cb7a01acSMauro Carvalho Chehab /* udelay(10); */ 281cb7a01acSMauro Carvalho Chehab break; 282cb7a01acSMauro Carvalho Chehab 283cb7a01acSMauro Carvalho Chehab case 2: 284cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x80); 285cb7a01acSMauro Carvalho Chehab 286cb7a01acSMauro Carvalho Chehab if (encoder->norm & V4L2_STD_NTSC) 287cb7a01acSMauro Carvalho Chehab set_subcarrier_freq(sd, 0); 288cb7a01acSMauro Carvalho Chehab 289cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x0d, 0x49); 290cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE | TR0RST); 291cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x07, TR0MODE); 292cb7a01acSMauro Carvalho Chehab /* udelay(10); */ 293cb7a01acSMauro Carvalho Chehab break; 294cb7a01acSMauro Carvalho Chehab 295cb7a01acSMauro Carvalho Chehab default: 296cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "illegal input: %d\n", input); 297cb7a01acSMauro Carvalho Chehab return -EINVAL; 298cb7a01acSMauro Carvalho Chehab } 299cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]); 300cb7a01acSMauro Carvalho Chehab encoder->input = input; 301cb7a01acSMauro Carvalho Chehab return 0; 302cb7a01acSMauro Carvalho Chehab } 303cb7a01acSMauro Carvalho Chehab 304cb7a01acSMauro Carvalho Chehab static int adv7175_enum_fmt(struct v4l2_subdev *sd, unsigned int index, 305cb7a01acSMauro Carvalho Chehab enum v4l2_mbus_pixelcode *code) 306cb7a01acSMauro Carvalho Chehab { 307cb7a01acSMauro Carvalho Chehab if (index >= ARRAY_SIZE(adv7175_codes)) 308cb7a01acSMauro Carvalho Chehab return -EINVAL; 309cb7a01acSMauro Carvalho Chehab 310cb7a01acSMauro Carvalho Chehab *code = adv7175_codes[index]; 311cb7a01acSMauro Carvalho Chehab return 0; 312cb7a01acSMauro Carvalho Chehab } 313cb7a01acSMauro Carvalho Chehab 314cb7a01acSMauro Carvalho Chehab static int adv7175_g_fmt(struct v4l2_subdev *sd, 315cb7a01acSMauro Carvalho Chehab struct v4l2_mbus_framefmt *mf) 316cb7a01acSMauro Carvalho Chehab { 317cb7a01acSMauro Carvalho Chehab u8 val = adv7175_read(sd, 0x7); 318cb7a01acSMauro Carvalho Chehab 319cb7a01acSMauro Carvalho Chehab if ((val & 0x40) == (1 << 6)) 320cb7a01acSMauro Carvalho Chehab mf->code = V4L2_MBUS_FMT_UYVY8_1X16; 321cb7a01acSMauro Carvalho Chehab else 322cb7a01acSMauro Carvalho Chehab mf->code = V4L2_MBUS_FMT_UYVY8_2X8; 323cb7a01acSMauro Carvalho Chehab 324cb7a01acSMauro Carvalho Chehab mf->colorspace = V4L2_COLORSPACE_SMPTE170M; 325cb7a01acSMauro Carvalho Chehab mf->width = 0; 326cb7a01acSMauro Carvalho Chehab mf->height = 0; 327cb7a01acSMauro Carvalho Chehab mf->field = V4L2_FIELD_ANY; 328cb7a01acSMauro Carvalho Chehab 329cb7a01acSMauro Carvalho Chehab return 0; 330cb7a01acSMauro Carvalho Chehab } 331cb7a01acSMauro Carvalho Chehab 332cb7a01acSMauro Carvalho Chehab static int adv7175_s_fmt(struct v4l2_subdev *sd, 333cb7a01acSMauro Carvalho Chehab struct v4l2_mbus_framefmt *mf) 334cb7a01acSMauro Carvalho Chehab { 335cb7a01acSMauro Carvalho Chehab u8 val = adv7175_read(sd, 0x7); 336cb7a01acSMauro Carvalho Chehab int ret; 337cb7a01acSMauro Carvalho Chehab 338cb7a01acSMauro Carvalho Chehab switch (mf->code) { 339cb7a01acSMauro Carvalho Chehab case V4L2_MBUS_FMT_UYVY8_2X8: 340cb7a01acSMauro Carvalho Chehab val &= ~0x40; 341cb7a01acSMauro Carvalho Chehab break; 342cb7a01acSMauro Carvalho Chehab 343cb7a01acSMauro Carvalho Chehab case V4L2_MBUS_FMT_UYVY8_1X16: 344cb7a01acSMauro Carvalho Chehab val |= 0x40; 345cb7a01acSMauro Carvalho Chehab break; 346cb7a01acSMauro Carvalho Chehab 347cb7a01acSMauro Carvalho Chehab default: 348cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, 349cb7a01acSMauro Carvalho Chehab "illegal v4l2_mbus_framefmt code: %d\n", mf->code); 350cb7a01acSMauro Carvalho Chehab return -EINVAL; 351cb7a01acSMauro Carvalho Chehab } 352cb7a01acSMauro Carvalho Chehab 353cb7a01acSMauro Carvalho Chehab ret = adv7175_write(sd, 0x7, val); 354cb7a01acSMauro Carvalho Chehab 355cb7a01acSMauro Carvalho Chehab return ret; 356cb7a01acSMauro Carvalho Chehab } 357cb7a01acSMauro Carvalho Chehab 358cb7a01acSMauro Carvalho Chehab static int adv7175_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) 359cb7a01acSMauro Carvalho Chehab { 360cb7a01acSMauro Carvalho Chehab struct i2c_client *client = v4l2_get_subdevdata(sd); 361cb7a01acSMauro Carvalho Chehab 362cb7a01acSMauro Carvalho Chehab return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0); 363cb7a01acSMauro Carvalho Chehab } 364cb7a01acSMauro Carvalho Chehab 365cb7a01acSMauro Carvalho Chehab static int adv7175_s_power(struct v4l2_subdev *sd, int on) 366cb7a01acSMauro Carvalho Chehab { 367cb7a01acSMauro Carvalho Chehab if (on) 368cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x00); 369cb7a01acSMauro Carvalho Chehab else 370cb7a01acSMauro Carvalho Chehab adv7175_write(sd, 0x01, 0x78); 371cb7a01acSMauro Carvalho Chehab 372cb7a01acSMauro Carvalho Chehab return 0; 373cb7a01acSMauro Carvalho Chehab } 374cb7a01acSMauro Carvalho Chehab 375cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 376cb7a01acSMauro Carvalho Chehab 377cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_core_ops adv7175_core_ops = { 378cb7a01acSMauro Carvalho Chehab .g_chip_ident = adv7175_g_chip_ident, 379cb7a01acSMauro Carvalho Chehab .init = adv7175_init, 380cb7a01acSMauro Carvalho Chehab .s_power = adv7175_s_power, 381cb7a01acSMauro Carvalho Chehab }; 382cb7a01acSMauro Carvalho Chehab 383cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_video_ops adv7175_video_ops = { 384cb7a01acSMauro Carvalho Chehab .s_std_output = adv7175_s_std_output, 385cb7a01acSMauro Carvalho Chehab .s_routing = adv7175_s_routing, 386cb7a01acSMauro Carvalho Chehab .s_mbus_fmt = adv7175_s_fmt, 387cb7a01acSMauro Carvalho Chehab .g_mbus_fmt = adv7175_g_fmt, 388cb7a01acSMauro Carvalho Chehab .enum_mbus_fmt = adv7175_enum_fmt, 389cb7a01acSMauro Carvalho Chehab }; 390cb7a01acSMauro Carvalho Chehab 391cb7a01acSMauro Carvalho Chehab static const struct v4l2_subdev_ops adv7175_ops = { 392cb7a01acSMauro Carvalho Chehab .core = &adv7175_core_ops, 393cb7a01acSMauro Carvalho Chehab .video = &adv7175_video_ops, 394cb7a01acSMauro Carvalho Chehab }; 395cb7a01acSMauro Carvalho Chehab 396cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 397cb7a01acSMauro Carvalho Chehab 398cb7a01acSMauro Carvalho Chehab static int adv7175_probe(struct i2c_client *client, 399cb7a01acSMauro Carvalho Chehab const struct i2c_device_id *id) 400cb7a01acSMauro Carvalho Chehab { 401cb7a01acSMauro Carvalho Chehab int i; 402cb7a01acSMauro Carvalho Chehab struct adv7175 *encoder; 403cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd; 404cb7a01acSMauro Carvalho Chehab 405cb7a01acSMauro Carvalho Chehab /* Check if the adapter supports the needed features */ 406cb7a01acSMauro Carvalho Chehab if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 407cb7a01acSMauro Carvalho Chehab return -ENODEV; 408cb7a01acSMauro Carvalho Chehab 409cb7a01acSMauro Carvalho Chehab v4l_info(client, "chip found @ 0x%x (%s)\n", 410cb7a01acSMauro Carvalho Chehab client->addr << 1, client->adapter->name); 411cb7a01acSMauro Carvalho Chehab 412c02b211dSLaurent Pinchart encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL); 413cb7a01acSMauro Carvalho Chehab if (encoder == NULL) 414cb7a01acSMauro Carvalho Chehab return -ENOMEM; 415cb7a01acSMauro Carvalho Chehab sd = &encoder->sd; 416cb7a01acSMauro Carvalho Chehab v4l2_i2c_subdev_init(sd, client, &adv7175_ops); 417cb7a01acSMauro Carvalho Chehab encoder->norm = V4L2_STD_NTSC; 418cb7a01acSMauro Carvalho Chehab encoder->input = 0; 419cb7a01acSMauro Carvalho Chehab 420cb7a01acSMauro Carvalho Chehab i = adv7175_write_block(sd, init_common, sizeof(init_common)); 421cb7a01acSMauro Carvalho Chehab if (i >= 0) { 422cb7a01acSMauro Carvalho Chehab i = adv7175_write(sd, 0x07, TR0MODE | TR0RST); 423cb7a01acSMauro Carvalho Chehab i = adv7175_write(sd, 0x07, TR0MODE); 424cb7a01acSMauro Carvalho Chehab i = adv7175_read(sd, 0x12); 425cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "revision %d\n", i & 1); 426cb7a01acSMauro Carvalho Chehab } 427cb7a01acSMauro Carvalho Chehab if (i < 0) 428cb7a01acSMauro Carvalho Chehab v4l2_dbg(1, debug, sd, "init error 0x%x\n", i); 429cb7a01acSMauro Carvalho Chehab return 0; 430cb7a01acSMauro Carvalho Chehab } 431cb7a01acSMauro Carvalho Chehab 432cb7a01acSMauro Carvalho Chehab static int adv7175_remove(struct i2c_client *client) 433cb7a01acSMauro Carvalho Chehab { 434cb7a01acSMauro Carvalho Chehab struct v4l2_subdev *sd = i2c_get_clientdata(client); 435cb7a01acSMauro Carvalho Chehab 436cb7a01acSMauro Carvalho Chehab v4l2_device_unregister_subdev(sd); 437cb7a01acSMauro Carvalho Chehab return 0; 438cb7a01acSMauro Carvalho Chehab } 439cb7a01acSMauro Carvalho Chehab 440cb7a01acSMauro Carvalho Chehab /* ----------------------------------------------------------------------- */ 441cb7a01acSMauro Carvalho Chehab 442cb7a01acSMauro Carvalho Chehab static const struct i2c_device_id adv7175_id[] = { 443cb7a01acSMauro Carvalho Chehab { "adv7175", 0 }, 444cb7a01acSMauro Carvalho Chehab { "adv7176", 0 }, 445cb7a01acSMauro Carvalho Chehab { } 446cb7a01acSMauro Carvalho Chehab }; 447cb7a01acSMauro Carvalho Chehab MODULE_DEVICE_TABLE(i2c, adv7175_id); 448cb7a01acSMauro Carvalho Chehab 449cb7a01acSMauro Carvalho Chehab static struct i2c_driver adv7175_driver = { 450cb7a01acSMauro Carvalho Chehab .driver = { 451cb7a01acSMauro Carvalho Chehab .owner = THIS_MODULE, 452cb7a01acSMauro Carvalho Chehab .name = "adv7175", 453cb7a01acSMauro Carvalho Chehab }, 454cb7a01acSMauro Carvalho Chehab .probe = adv7175_probe, 455cb7a01acSMauro Carvalho Chehab .remove = adv7175_remove, 456cb7a01acSMauro Carvalho Chehab .id_table = adv7175_id, 457cb7a01acSMauro Carvalho Chehab }; 458cb7a01acSMauro Carvalho Chehab 459cb7a01acSMauro Carvalho Chehab module_i2c_driver(adv7175_driver); 460