| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ronald S. Bultje | 1017 | 56.63% | 1 | 4.55% |
| Hans Verkuil | 535 | 29.79% | 9 | 40.91% |
| Christian Gmeiner | 198 | 11.02% | 1 | 4.55% |
| Jean Delvare | 10 | 0.56% | 1 | 4.55% |
| Laurent Pinchart | 8 | 0.45% | 1 | 4.55% |
| Boris Brezillon | 7 | 0.39% | 1 | 4.55% |
| Mauro Carvalho Chehab | 5 | 0.28% | 1 | 4.55% |
| Andrew Morton | 4 | 0.22% | 1 | 4.55% |
| Tejun Heo | 3 | 0.17% | 1 | 4.55% |
| Baruch Siach | 3 | 0.17% | 1 | 4.55% |
| Axel Lin | 2 | 0.11% | 1 | 4.55% |
| Laurent Riffard | 2 | 0.11% | 1 | 4.55% |
| Sakari Ailus | 1 | 0.06% | 1 | 4.55% |
| Linus Torvalds | 1 | 0.06% | 1 | 4.55% |
| Total | 1796 | 22 |
/* * adv7170 - adv7170, adv7171 video encoder driver version 0.0.1 * * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com> * * Based on adv7176 driver by: * * Copyright (C) 1998 Dave Perks <dperks@ibm.net> * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> * - some corrections for Pinnacle Systems Inc. DC10plus card. * * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> * - moved over to linux>=2.4.x i2c protocol (1/1/2003) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/ioctl.h> #include <linux/uaccess.h> #include <linux/i2c.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver"); MODULE_AUTHOR("Maxim Yevtyushkin"); MODULE_LICENSE("GPL"); static int debug; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* ----------------------------------------------------------------------- */ struct adv7170 { struct v4l2_subdev sd; unsigned char reg[128]; v4l2_std_id norm; int input; }; static inline struct adv7170 *to_adv7170(struct v4l2_subdev *sd) { return container_of(sd, struct adv7170, sd); } static char *inputs[] = { "pass_through", "play_back" }; static u32 adv7170_codes[] = { MEDIA_BUS_FMT_UYVY8_2X8, MEDIA_BUS_FMT_UYVY8_1X16, }; /* ----------------------------------------------------------------------- */ static inline int adv7170_write(struct v4l2_subdev *sd, u8 reg, u8 value) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct adv7170 *encoder = to_adv7170(sd); encoder->reg[reg] = value; return i2c_smbus_write_byte_data(client, reg, value); } static inline int adv7170_read(struct v4l2_subdev *sd, u8 reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); return i2c_smbus_read_byte_data(client, reg); } static int adv7170_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct adv7170 *encoder = to_adv7170(sd); int ret = -1; u8 reg; /* the adv7170 has an autoincrement function, use it if * the adapter understands raw I2C */ if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { /* do raw I2C, not smbus compatible */ u8 block_data[32]; int block_len; while (len >= 2) { block_len = 0; block_data[block_len++] = reg = data[0]; do { block_data[block_len++] = encoder->reg[reg++] = data[1]; len -= 2; data += 2; } while (len >= 2 && data[0] == reg && block_len < 32); ret = i2c_master_send(client, block_data, block_len); if (ret < 0) break; } } else { /* do some slow I2C emulation kind of thing */ while (len >= 2) { reg = *data++; ret = adv7170_write(sd, reg, *data++); if (ret < 0) break; len -= 2; } } return ret; } /* ----------------------------------------------------------------------- */ #define TR0MODE 0x4c #define TR0RST 0x80 #define TR1CAPT 0x00 #define TR1PLAY 0x00 static const unsigned char init_NTSC[] = { 0x00, 0x10, /* MR0 */ 0x01, 0x20, /* MR1 */ 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */ 0x03, 0x80, /* MR3 */ 0x04, 0x30, /* MR4 */ 0x05, 0x00, /* Reserved */ 0x06, 0x00, /* Reserved */ 0x07, TR0MODE, /* TM0 */ 0x08, TR1CAPT, /* TM1 */ 0x09, 0x16, /* Fsc0 */ 0x0a, 0x7c, /* Fsc1 */ 0x0b, 0xf0, /* Fsc2 */ 0x0c, 0x21, /* Fsc3 */ 0x0d, 0x00, /* Subcarrier Phase */ 0x0e, 0x00, /* Closed Capt. Ext 0 */ 0x0f, 0x00, /* Closed Capt. Ext 1 */ 0x10, 0x00, /* Closed Capt. 0 */ 0x11, 0x00, /* Closed Capt. 1 */ 0x12, 0x00, /* Pedestal Ctl 0 */ 0x13, 0x00, /* Pedestal Ctl 1 */ 0x14, 0x00, /* Pedestal Ctl 2 */ 0x15, 0x00, /* Pedestal Ctl 3 */ 0x16, 0x00, /* CGMS_WSS_0 */ 0x17, 0x00, /* CGMS_WSS_1 */ 0x18, 0x00, /* CGMS_WSS_2 */ 0x19, 0x00, /* Teletext Ctl */ }; static const unsigned char init_PAL[] = { 0x00, 0x71, /* MR0 */ 0x01, 0x20, /* MR1 */ 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */ 0x03, 0x80, /* MR3 */ 0x04, 0x30, /* MR4 */ 0x05, 0x00, /* Reserved */ 0x06, 0x00, /* Reserved */ 0x07, TR0MODE, /* TM0 */ 0x08, TR1CAPT, /* TM1 */ 0x09, 0xcb, /* Fsc0 */ 0x0a, 0x8a, /* Fsc1 */ 0x0b, 0x09, /* Fsc2 */ 0x0c, 0x2a, /* Fsc3 */ 0x0d, 0x00, /* Subcarrier Phase */ 0x0e, 0x00, /* Closed Capt. Ext 0 */ 0x0f, 0x00, /* Closed Capt. Ext 1 */ 0x10, 0x00, /* Closed Capt. 0 */ 0x11, 0x00, /* Closed Capt. 1 */ 0x12, 0x00, /* Pedestal Ctl 0 */ 0x13, 0x00, /* Pedestal Ctl 1 */ 0x14, 0x00, /* Pedestal Ctl 2 */ 0x15, 0x00, /* Pedestal Ctl 3 */ 0x16, 0x00, /* CGMS_WSS_0 */ 0x17, 0x00, /* CGMS_WSS_1 */ 0x18, 0x00, /* CGMS_WSS_2 */ 0x19, 0x00, /* Teletext Ctl */ }; static int adv7170_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) { struct adv7170 *encoder = to_adv7170(sd); v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std); if (std & V4L2_STD_NTSC) { adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC)); if (encoder->input == 0) adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ adv7170_write(sd, 0x07, TR0MODE | TR0RST); adv7170_write(sd, 0x07, TR0MODE); } else if (std & V4L2_STD_PAL) { adv7170_write_block(sd, init_PAL, sizeof(init_PAL)); if (encoder->input == 0) adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ adv7170_write(sd, 0x07, TR0MODE | TR0RST); adv7170_write(sd, 0x07, TR0MODE); } else { v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", (unsigned long long)std); return -EINVAL; } v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std); encoder->norm = std; return 0; } static int adv7170_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { struct adv7170 *encoder = to_adv7170(sd); /* RJ: input = 0: input is from decoder input = 1: input is from ZR36060 input = 2: color bar */ v4l2_dbg(1, debug, sd, "set input from %s\n", input == 0 ? "decoder" : "ZR36060"); switch (input) { case 0: adv7170_write(sd, 0x01, 0x20); adv7170_write(sd, 0x08, TR1CAPT); /* TR1 */ adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */ adv7170_write(sd, 0x07, TR0MODE | TR0RST); adv7170_write(sd, 0x07, TR0MODE); /* udelay(10); */ break; case 1: adv7170_write(sd, 0x01, 0x00); adv7170_write(sd, 0x08, TR1PLAY); /* TR1 */ adv7170_write(sd, 0x02, 0x08); adv7170_write(sd, 0x07, TR0MODE | TR0RST); adv7170_write(sd, 0x07, TR0MODE); /* udelay(10); */ break; default: v4l2_dbg(1, debug, sd, "illegal input: %d\n", input); return -EINVAL; } v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]); encoder->input = input; return 0; } static int adv7170_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { if (code->pad || code->index >= ARRAY_SIZE(adv7170_codes)) return -EINVAL; code->code = adv7170_codes[code->index]; return 0; } static int adv7170_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *mf = &format->format; u8 val = adv7170_read(sd, 0x7); if (format->pad) return -EINVAL; if ((val & 0x40) == (1 << 6)) mf->code = MEDIA_BUS_FMT_UYVY8_1X16; else mf->code = MEDIA_BUS_FMT_UYVY8_2X8; mf->colorspace = V4L2_COLORSPACE_SMPTE170M; mf->width = 0; mf->height = 0; mf->field = V4L2_FIELD_ANY; return 0; } static int adv7170_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *mf = &format->format; u8 val = adv7170_read(sd, 0x7); if (format->pad) return -EINVAL; switch (mf->code) { case MEDIA_BUS_FMT_UYVY8_2X8: val &= ~0x40; break; case MEDIA_BUS_FMT_UYVY8_1X16: val |= 0x40; break; default: v4l2_dbg(1, debug, sd, "illegal v4l2_mbus_framefmt code: %d\n", mf->code); return -EINVAL; } if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) return adv7170_write(sd, 0x7, val); return 0; } /* ----------------------------------------------------------------------- */ static const struct v4l2_subdev_video_ops adv7170_video_ops = { .s_std_output = adv7170_s_std_output, .s_routing = adv7170_s_routing, }; static const struct v4l2_subdev_pad_ops adv7170_pad_ops = { .enum_mbus_code = adv7170_enum_mbus_code, .get_fmt = adv7170_get_fmt, .set_fmt = adv7170_set_fmt, }; static const struct v4l2_subdev_ops adv7170_ops = { .video = &adv7170_video_ops, .pad = &adv7170_pad_ops, }; /* ----------------------------------------------------------------------- */ static int adv7170_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adv7170 *encoder; struct v4l2_subdev *sd; int i; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); encoder = devm_kzalloc(&client->dev, sizeof(*encoder), GFP_KERNEL); if (encoder == NULL) return -ENOMEM; sd = &encoder->sd; v4l2_i2c_subdev_init(sd, client, &adv7170_ops); encoder->norm = V4L2_STD_NTSC; encoder->input = 0; i = adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC)); if (i >= 0) { i = adv7170_write(sd, 0x07, TR0MODE | TR0RST); i = adv7170_write(sd, 0x07, TR0MODE); i = adv7170_read(sd, 0x12); v4l2_dbg(1, debug, sd, "revision %d\n", i & 1); } if (i < 0) v4l2_dbg(1, debug, sd, "init error 0x%x\n", i); return 0; } static int adv7170_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); return 0; } /* ----------------------------------------------------------------------- */ static const struct i2c_device_id adv7170_id[] = { { "adv7170", 0 }, { "adv7171", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adv7170_id); static struct i2c_driver adv7170_driver = { .driver = { .name = "adv7170", }, .probe = adv7170_probe, .remove = adv7170_remove, .id_table = adv7170_id, }; module_i2c_driver(adv7170_driver);
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