| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ronald S. Bultje | 693 | 34.68% | 2 | 6.45% |
| Hans Verkuil | 558 | 27.93% | 9 | 29.03% |
| Linus Torvalds | 379 | 18.97% | 2 | 6.45% |
| Christian Gmeiner | 250 | 12.51% | 2 | 6.45% |
| Alan Cox | 48 | 2.40% | 1 | 3.23% |
| Jean Delvare | 13 | 0.65% | 2 | 6.45% |
| Greg Kroah-Hartman | 11 | 0.55% | 1 | 3.23% |
| Laurent Pinchart | 8 | 0.40% | 1 | 3.23% |
| Boris Brezillon | 7 | 0.35% | 1 | 3.23% |
| Tomi Valkeinen | 6 | 0.30% | 1 | 3.23% |
| Mauro Carvalho Chehab | 6 | 0.30% | 2 | 6.45% |
| Art Haas | 5 | 0.25% | 1 | 3.23% |
| Andrew Morton | 4 | 0.20% | 1 | 3.23% |
| Tejun Heo | 3 | 0.15% | 1 | 3.23% |
| Axel Lin | 2 | 0.10% | 1 | 3.23% |
| Thomas Gleixner | 2 | 0.10% | 1 | 3.23% |
| Laurent Riffard | 2 | 0.10% | 1 | 3.23% |
| Uwe Kleine-König | 1 | 0.05% | 1 | 3.23% |
| Total | 1998 | 31 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * adv7175 - adv7175a video encoder driver version 0.0.3 * * 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 (9/9/2002) */ #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 ADV7175 video encoder driver"); MODULE_AUTHOR("Dave Perks"); MODULE_LICENSE("GPL"); #define I2C_ADV7175 0xd4 #define I2C_ADV7176 0x54 static int debug; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* ----------------------------------------------------------------------- */ struct adv7175 { struct v4l2_subdev sd; v4l2_std_id norm; int input; }; static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd) { return container_of(sd, struct adv7175, sd); } static char *inputs[] = { "pass_through", "play_back", "color_bar" }; static u32 adv7175_codes[] = { MEDIA_BUS_FMT_UYVY8_2X8, MEDIA_BUS_FMT_UYVY8_1X16, }; /* ----------------------------------------------------------------------- */ static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value) { struct i2c_client *client = v4l2_get_subdevdata(sd); return i2c_smbus_write_byte_data(client, reg, value); } static inline int adv7175_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 adv7175_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len) { struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = -1; u8 reg; /* the adv7175 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++] = data[1]; reg++; 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 = adv7175_write(sd, reg, *data++); if (ret < 0) break; len -= 2; } } return ret; } static void set_subcarrier_freq(struct v4l2_subdev *sd, int pass_through) { /* for some reason pass_through NTSC needs * a different sub-carrier freq to remain stable. */ if (pass_through) adv7175_write(sd, 0x02, 0x00); else adv7175_write(sd, 0x02, 0x55); adv7175_write(sd, 0x03, 0x55); adv7175_write(sd, 0x04, 0x55); adv7175_write(sd, 0x05, 0x25); } /* ----------------------------------------------------------------------- */ /* Output filter: S-Video Composite */ #define MR050 0x11 /* 0x09 */ #define MR060 0x14 /* 0x0c */ /* ----------------------------------------------------------------------- */ #define TR0MODE 0x46 #define TR0RST 0x80 #define TR1CAPT 0x80 #define TR1PLAY 0x00 static const unsigned char init_common[] = { 0x00, MR050, /* MR0, PAL enabled */ 0x01, 0x00, /* MR1 */ 0x02, 0x0c, /* subc. freq. */ 0x03, 0x8c, /* subc. freq. */ 0x04, 0x79, /* subc. freq. */ 0x05, 0x26, /* subc. freq. */ 0x06, 0x40, /* subc. phase */ 0x07, TR0MODE, /* TR0, 16bit */ 0x08, 0x21, /* */ 0x09, 0x00, /* */ 0x0a, 0x00, /* */ 0x0b, 0x00, /* */ 0x0c, TR1CAPT, /* TR1 */ 0x0d, 0x4f, /* MR2 */ 0x0e, 0x00, /* */ 0x0f, 0x00, /* */ 0x10, 0x00, /* */ 0x11, 0x00, /* */ }; static const unsigned char init_pal[] = { 0x00, MR050, /* MR0, PAL enabled */ 0x01, 0x00, /* MR1 */ 0x02, 0x0c, /* subc. freq. */ 0x03, 0x8c, /* subc. freq. */ 0x04, 0x79, /* subc. freq. */ 0x05, 0x26, /* subc. freq. */ 0x06, 0x40, /* subc. phase */ }; static const unsigned char init_ntsc[] = { 0x00, MR060, /* MR0, NTSC enabled */ 0x01, 0x00, /* MR1 */ 0x02, 0x55, /* subc. freq. */ 0x03, 0x55, /* subc. freq. */ 0x04, 0x55, /* subc. freq. */ 0x05, 0x25, /* subc. freq. */ 0x06, 0x1a, /* subc. phase */ }; static int adv7175_init(struct v4l2_subdev *sd, u32 val) { /* This is just for testing!!! */ adv7175_write_block(sd, init_common, sizeof(init_common)); adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x07, TR0MODE); return 0; } static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) { struct adv7175 *encoder = to_adv7175(sd); if (std & V4L2_STD_NTSC) { adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc)); if (encoder->input == 0) adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x07, TR0MODE); } else if (std & V4L2_STD_PAL) { adv7175_write_block(sd, init_pal, sizeof(init_pal)); if (encoder->input == 0) adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x07, TR0MODE); } else if (std & V4L2_STD_SECAM) { /* This is an attempt to convert * SECAM->PAL (typically it does not work * due to genlock: when decoder is in SECAM * and encoder in in PAL the subcarrier can * not be synchronized with horizontal * quency) */ adv7175_write_block(sd, init_pal, sizeof(init_pal)); if (encoder->input == 0) adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_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 adv7175_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { struct adv7175 *encoder = to_adv7175(sd); /* RJ: input = 0: input is from decoder input = 1: input is from ZR36060 input = 2: color bar */ switch (input) { case 0: adv7175_write(sd, 0x01, 0x00); if (encoder->norm & V4L2_STD_NTSC) set_subcarrier_freq(sd, 1); adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */ if (encoder->norm & V4L2_STD_SECAM) adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ else adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x07, TR0MODE); /*udelay(10);*/ break; case 1: adv7175_write(sd, 0x01, 0x00); if (encoder->norm & V4L2_STD_NTSC) set_subcarrier_freq(sd, 0); adv7175_write(sd, 0x0c, TR1PLAY); /* TR1 */ adv7175_write(sd, 0x0d, 0x49); adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x07, TR0MODE); /* udelay(10); */ break; case 2: adv7175_write(sd, 0x01, 0x80); if (encoder->norm & V4L2_STD_NTSC) set_subcarrier_freq(sd, 0); adv7175_write(sd, 0x0d, 0x49); adv7175_write(sd, 0x07, TR0MODE | TR0RST); adv7175_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 adv7175_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { if (code->pad || code->index >= ARRAY_SIZE(adv7175_codes)) return -EINVAL; code->code = adv7175_codes[code->index]; return 0; } static int adv7175_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *mf = &format->format; u8 val = adv7175_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 adv7175_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *mf = &format->format; u8 val = adv7175_read(sd, 0x7); int ret = 0; 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) ret = adv7175_write(sd, 0x7, val); return ret; } static int adv7175_s_power(struct v4l2_subdev *sd, int on) { if (on) adv7175_write(sd, 0x01, 0x00); else adv7175_write(sd, 0x01, 0x78); return 0; } /* ----------------------------------------------------------------------- */ static const struct v4l2_subdev_core_ops adv7175_core_ops = { .init = adv7175_init, .s_power = adv7175_s_power, }; static const struct v4l2_subdev_video_ops adv7175_video_ops = { .s_std_output = adv7175_s_std_output, .s_routing = adv7175_s_routing, }; static const struct v4l2_subdev_pad_ops adv7175_pad_ops = { .enum_mbus_code = adv7175_enum_mbus_code, .get_fmt = adv7175_get_fmt, .set_fmt = adv7175_set_fmt, }; static const struct v4l2_subdev_ops adv7175_ops = { .core = &adv7175_core_ops, .video = &adv7175_video_ops, .pad = &adv7175_pad_ops, }; /* ----------------------------------------------------------------------- */ static int adv7175_probe(struct i2c_client *client, const struct i2c_device_id *id) { int i; struct adv7175 *encoder; struct v4l2_subdev *sd; /* 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, &adv7175_ops); encoder->norm = V4L2_STD_NTSC; encoder->input = 0; i = adv7175_write_block(sd, init_common, sizeof(init_common)); if (i >= 0) { i = adv7175_write(sd, 0x07, TR0MODE | TR0RST); i = adv7175_write(sd, 0x07, TR0MODE); i = adv7175_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 void adv7175_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); } /* ----------------------------------------------------------------------- */ static const struct i2c_device_id adv7175_id[] = { { "adv7175", 0 }, { "adv7176", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adv7175_id); static struct i2c_driver adv7175_driver = { .driver = { .name = "adv7175", }, .probe = adv7175_probe, .remove = adv7175_remove, .id_table = adv7175_id, }; module_i2c_driver(adv7175_driver);
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