diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 16:23:43 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 16:42:14 -0300 |
commit | cb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch) | |
tree | 7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/saa7185.c | |
parent | f0af8fa4dad0839f844fd0633e1936493f6d685a (diff) |
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7185.c')
-rw-r--r-- | drivers/media/video/saa7185.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c deleted file mode 100644 index 2c6b65c76e2..00000000000 --- a/drivers/media/video/saa7185.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * saa7185 - Philips SAA7185B video encoder driver version 0.0.3 - * - * Copyright (C) 1998 Dave Perks <dperks@ibm.net> - * - * Slight changes for video timing and attachment output by - * Wolfgang Scherr <scherr@net4you.net> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/ioctl.h> -#include <asm/uaccess.h> -#include <linux/i2c.h> -#include <linux/videodev2.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> - -MODULE_DESCRIPTION("Philips SAA7185 video encoder driver"); -MODULE_AUTHOR("Dave Perks"); -MODULE_LICENSE("GPL"); - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Debug level (0-1)"); - - -/* ----------------------------------------------------------------------- */ - -struct saa7185 { - struct v4l2_subdev sd; - unsigned char reg[128]; - - v4l2_std_id norm; -}; - -static inline struct saa7185 *to_saa7185(struct v4l2_subdev *sd) -{ - return container_of(sd, struct saa7185, sd); -} - -/* ----------------------------------------------------------------------- */ - -static inline int saa7185_read(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return i2c_smbus_read_byte(client); -} - -static int saa7185_write(struct v4l2_subdev *sd, u8 reg, u8 value) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct saa7185 *encoder = to_saa7185(sd); - - v4l2_dbg(1, debug, sd, "%02x set to %02x\n", reg, value); - encoder->reg[reg] = value; - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int saa7185_write_block(struct v4l2_subdev *sd, - const u8 *data, unsigned int len) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct saa7185 *encoder = to_saa7185(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++] = - 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 = saa7185_write(sd, reg, *data++); - if (ret < 0) - break; - len -= 2; - } - } - - return ret; -} - -/* ----------------------------------------------------------------------- */ - -static const unsigned char init_common[] = { - 0x3a, 0x0f, /* CBENB=0, V656=0, VY2C=1, - * YUV2C=1, MY2C=1, MUV2C=1 */ - - 0x42, 0x6b, /* OVLY0=107 */ - 0x43, 0x00, /* OVLU0=0 white */ - 0x44, 0x00, /* OVLV0=0 */ - 0x45, 0x22, /* OVLY1=34 */ - 0x46, 0xac, /* OVLU1=172 yellow */ - 0x47, 0x0e, /* OVLV1=14 */ - 0x48, 0x03, /* OVLY2=3 */ - 0x49, 0x1d, /* OVLU2=29 cyan */ - 0x4a, 0xac, /* OVLV2=172 */ - 0x4b, 0xf0, /* OVLY3=240 */ - 0x4c, 0xc8, /* OVLU3=200 green */ - 0x4d, 0xb9, /* OVLV3=185 */ - 0x4e, 0xd4, /* OVLY4=212 */ - 0x4f, 0x38, /* OVLU4=56 magenta */ - 0x50, 0x47, /* OVLV4=71 */ - 0x51, 0xc1, /* OVLY5=193 */ - 0x52, 0xe3, /* OVLU5=227 red */ - 0x53, 0x54, /* OVLV5=84 */ - 0x54, 0xa3, /* OVLY6=163 */ - 0x55, 0x54, /* OVLU6=84 blue */ - 0x56, 0xf2, /* OVLV6=242 */ - 0x57, 0x90, /* OVLY7=144 */ - 0x58, 0x00, /* OVLU7=0 black */ - 0x59, 0x00, /* OVLV7=0 */ - - 0x5a, 0x00, /* CHPS=0 */ - 0x5b, 0x76, /* GAINU=118 */ - 0x5c, 0xa5, /* GAINV=165 */ - 0x5d, 0x3c, /* BLCKL=60 */ - 0x5e, 0x3a, /* BLNNL=58 */ - 0x5f, 0x3a, /* CCRS=0, BLNVB=58 */ - 0x60, 0x00, /* NULL */ - - /* 0x61 - 0x66 set according to norm */ - - 0x67, 0x00, /* 0 : caption 1st byte odd field */ - 0x68, 0x00, /* 0 : caption 2nd byte odd field */ - 0x69, 0x00, /* 0 : caption 1st byte even field */ - 0x6a, 0x00, /* 0 : caption 2nd byte even field */ - - 0x6b, 0x91, /* MODIN=2, PCREF=0, SCCLN=17 */ - 0x6c, 0x20, /* SRCV1=0, TRCV2=1, ORCV1=0, PRCV1=0, - * CBLF=0, ORCV2=0, PRCV2=0 */ - 0x6d, 0x00, /* SRCM1=0, CCEN=0 */ - - 0x6e, 0x0e, /* HTRIG=0x005, approx. centered, at - * least for PAL */ - 0x6f, 0x00, /* HTRIG upper bits */ - 0x70, 0x20, /* PHRES=0, SBLN=1, VTRIG=0 */ - - /* The following should not be needed */ - - 0x71, 0x15, /* BMRQ=0x115 */ - 0x72, 0x90, /* EMRQ=0x690 */ - 0x73, 0x61, /* EMRQ=0x690, BMRQ=0x115 */ - 0x74, 0x00, /* NULL */ - 0x75, 0x00, /* NULL */ - 0x76, 0x00, /* NULL */ - 0x77, 0x15, /* BRCV=0x115 */ - 0x78, 0x90, /* ERCV=0x690 */ - 0x79, 0x61, /* ERCV=0x690, BRCV=0x115 */ - - /* Field length controls */ - - 0x7a, 0x70, /* FLC=0 */ - - /* The following should not be needed if SBLN = 1 */ - - 0x7b, 0x16, /* FAL=22 */ - 0x7c, 0x35, /* LAL=244 */ - 0x7d, 0x20, /* LAL=244, FAL=22 */ -}; - -static const unsigned char init_pal[] = { - 0x61, 0x1e, /* FISE=0, PAL=1, SCBW=1, RTCE=1, - * YGS=1, INPI=0, DOWN=0 */ - 0x62, 0xc8, /* DECTYP=1, BSTA=72 */ - 0x63, 0xcb, /* FSC0 */ - 0x64, 0x8a, /* FSC1 */ - 0x65, 0x09, /* FSC2 */ - 0x66, 0x2a, /* FSC3 */ -}; - -static const unsigned char init_ntsc[] = { - 0x61, 0x1d, /* FISE=1, PAL=0, SCBW=1, RTCE=1, - * YGS=1, INPI=0, DOWN=0 */ - 0x62, 0xe6, /* DECTYP=1, BSTA=102 */ - 0x63, 0x1f, /* FSC0 */ - 0x64, 0x7c, /* FSC1 */ - 0x65, 0xf0, /* FSC2 */ - 0x66, 0x21, /* FSC3 */ -}; - - -static int saa7185_init(struct v4l2_subdev *sd, u32 val) -{ - struct saa7185 *encoder = to_saa7185(sd); - - saa7185_write_block(sd, init_common, sizeof(init_common)); - if (encoder->norm & V4L2_STD_NTSC) - saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc)); - else - saa7185_write_block(sd, init_pal, sizeof(init_pal)); - return 0; -} - -static int saa7185_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) -{ - struct saa7185 *encoder = to_saa7185(sd); - - if (std & V4L2_STD_NTSC) - saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc)); - else if (std & V4L2_STD_PAL) - saa7185_write_block(sd, init_pal, sizeof(init_pal)); - else - return -EINVAL; - encoder->norm = std; - return 0; -} - -static int saa7185_s_routing(struct v4l2_subdev *sd, - u32 input, u32 output, u32 config) -{ - struct saa7185 *encoder = to_saa7185(sd); - - /* RJ: input = 0: input is from SA7111 - input = 1: input is from ZR36060 */ - - switch (input) { - case 0: - /* turn off colorbar */ - saa7185_write(sd, 0x3a, 0x0f); - /* Switch RTCE to 1 */ - saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08); - saa7185_write(sd, 0x6e, 0x01); - break; - - case 1: - /* turn off colorbar */ - saa7185_write(sd, 0x3a, 0x0f); - /* Switch RTCE to 0 */ - saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x00); - /* SW: a slight sync problem... */ - saa7185_write(sd, 0x6e, 0x00); - break; - - case 2: - /* turn on colorbar */ - saa7185_write(sd, 0x3a, 0x8f); - /* Switch RTCE to 0 */ - saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08); - /* SW: a slight sync problem... */ - saa7185_write(sd, 0x6e, 0x01); - break; - - default: - return -EINVAL; - } - return 0; -} - -static int saa7185_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA7185, 0); -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops saa7185_core_ops = { - .g_chip_ident = saa7185_g_chip_ident, - .init = saa7185_init, -}; - -static const struct v4l2_subdev_video_ops saa7185_video_ops = { - .s_std_output = saa7185_s_std_output, - .s_routing = saa7185_s_routing, -}; - -static const struct v4l2_subdev_ops saa7185_ops = { - .core = &saa7185_core_ops, - .video = &saa7185_video_ops, -}; - - -/* ----------------------------------------------------------------------- */ - -static int saa7185_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int i; - struct saa7185 *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 = kzalloc(sizeof(struct saa7185), GFP_KERNEL); - if (encoder == NULL) - return -ENOMEM; - encoder->norm = V4L2_STD_NTSC; - sd = &encoder->sd; - v4l2_i2c_subdev_init(sd, client, &saa7185_ops); - - i = saa7185_write_block(sd, init_common, sizeof(init_common)); - if (i >= 0) - i = saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc)); - if (i < 0) - v4l2_dbg(1, debug, sd, "init error %d\n", i); - else - v4l2_dbg(1, debug, sd, "revision 0x%x\n", - saa7185_read(sd) >> 5); - return 0; -} - -static int saa7185_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct saa7185 *encoder = to_saa7185(sd); - - v4l2_device_unregister_subdev(sd); - /* SW: output off is active */ - saa7185_write(sd, 0x61, (encoder->reg[0x61]) | 0x40); - kfree(encoder); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id saa7185_id[] = { - { "saa7185", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, saa7185_id); - -static struct i2c_driver saa7185_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "saa7185", - }, - .probe = saa7185_probe, - .remove = saa7185_remove, - .id_table = saa7185_id, -}; - -module_i2c_driver(saa7185_driver); |