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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/cx25840/cx25840-vbi.c | |
parent | f0af8fa4dad0839f844fd0633e1936493f6d685a (diff) | |
download | op-kernel-dev-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.zip op-kernel-dev-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.gz |
[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/cx25840/cx25840-vbi.c')
-rw-r--r-- | drivers/media/video/cx25840/cx25840-vbi.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/drivers/media/video/cx25840/cx25840-vbi.c b/drivers/media/video/cx25840/cx25840-vbi.c deleted file mode 100644 index 64a4004..0000000 --- a/drivers/media/video/cx25840/cx25840-vbi.c +++ /dev/null @@ -1,256 +0,0 @@ -/* cx25840 VBI functions - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - - -#include <linux/videodev2.h> -#include <linux/i2c.h> -#include <media/v4l2-common.h> -#include <media/cx25840.h> - -#include "cx25840-core.h" - -static int odd_parity(u8 c) -{ - c ^= (c >> 4); - c ^= (c >> 2); - c ^= (c >> 1); - - return c & 1; -} - -static int decode_vps(u8 * dst, u8 * p) -{ - static const u8 biphase_tbl[] = { - 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, - 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, - 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, - 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, - 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, - 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, - 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, - 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, - 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, - 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, - 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, - 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, - 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, - 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, - 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, - 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, - 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, - 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, - 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, - 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, - 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, - 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, - 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, - 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, - 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, - 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, - 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, - 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, - 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, - 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, - 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, - 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, - }; - - u8 c, err = 0; - int i; - - for (i = 0; i < 2 * 13; i += 2) { - err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; - c = (biphase_tbl[p[i + 1]] & 0xf) | - ((biphase_tbl[p[i]] & 0xf) << 4); - dst[i / 2] = c; - } - - return err & 0xf0; -} - -int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct cx25840_state *state = to_state(sd); - static const u16 lcr2vbi[] = { - 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ - 0, V4L2_SLICED_WSS_625, 0, /* 4 */ - V4L2_SLICED_CAPTION_525, /* 6 */ - 0, 0, V4L2_SLICED_VPS, 0, 0, /* 9 */ - 0, 0, 0, 0 - }; - int is_pal = !(state->std & V4L2_STD_525_60); - int i; - - memset(svbi, 0, sizeof(*svbi)); - /* we're done if raw VBI is active */ - if ((cx25840_read(client, 0x404) & 0x10) == 0) - return 0; - - if (is_pal) { - for (i = 7; i <= 23; i++) { - u8 v = cx25840_read(client, 0x424 + i - 7); - - svbi->service_lines[0][i] = lcr2vbi[v >> 4]; - svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; - svbi->service_set |= svbi->service_lines[0][i] | - svbi->service_lines[1][i]; - } - } else { - for (i = 10; i <= 21; i++) { - u8 v = cx25840_read(client, 0x424 + i - 10); - - svbi->service_lines[0][i] = lcr2vbi[v >> 4]; - svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; - svbi->service_set |= svbi->service_lines[0][i] | - svbi->service_lines[1][i]; - } - } - return 0; -} - -int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct cx25840_state *state = to_state(sd); - int is_pal = !(state->std & V4L2_STD_525_60); - int vbi_offset = is_pal ? 1 : 0; - - /* Setup standard */ - cx25840_std_setup(client); - - /* VBI Offset */ - cx25840_write(client, 0x47f, vbi_offset); - cx25840_write(client, 0x404, 0x2e); - return 0; -} - -int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct cx25840_state *state = to_state(sd); - int is_pal = !(state->std & V4L2_STD_525_60); - int vbi_offset = is_pal ? 1 : 0; - int i, x; - u8 lcr[24]; - - for (x = 0; x <= 23; x++) - lcr[x] = 0x00; - - /* Setup standard */ - cx25840_std_setup(client); - - /* Sliced VBI */ - cx25840_write(client, 0x404, 0x32); /* Ancillary data */ - cx25840_write(client, 0x406, 0x13); - cx25840_write(client, 0x47f, vbi_offset); - - if (is_pal) { - for (i = 0; i <= 6; i++) - svbi->service_lines[0][i] = - svbi->service_lines[1][i] = 0; - } else { - for (i = 0; i <= 9; i++) - svbi->service_lines[0][i] = - svbi->service_lines[1][i] = 0; - - for (i = 22; i <= 23; i++) - svbi->service_lines[0][i] = - svbi->service_lines[1][i] = 0; - } - - for (i = 7; i <= 23; i++) { - for (x = 0; x <= 1; x++) { - switch (svbi->service_lines[1-x][i]) { - case V4L2_SLICED_TELETEXT_B: - lcr[i] |= 1 << (4 * x); - break; - case V4L2_SLICED_WSS_625: - lcr[i] |= 4 << (4 * x); - break; - case V4L2_SLICED_CAPTION_525: - lcr[i] |= 6 << (4 * x); - break; - case V4L2_SLICED_VPS: - lcr[i] |= 9 << (4 * x); - break; - } - } - } - - if (is_pal) { - for (x = 1, i = 0x424; i <= 0x434; i++, x++) - cx25840_write(client, i, lcr[6 + x]); - } else { - for (x = 1, i = 0x424; i <= 0x430; i++, x++) - cx25840_write(client, i, lcr[9 + x]); - for (i = 0x431; i <= 0x434; i++) - cx25840_write(client, i, 0); - } - - cx25840_write(client, 0x43c, 0x16); - cx25840_write(client, 0x474, is_pal ? 0x2a : 0x22); - return 0; -} - -int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi) -{ - struct cx25840_state *state = to_state(sd); - u8 *p = vbi->p; - int id1, id2, l, err = 0; - - if (p[0] || p[1] != 0xff || p[2] != 0xff || - (p[3] != 0x55 && p[3] != 0x91)) { - vbi->line = vbi->type = 0; - return 0; - } - - p += 4; - id1 = p[-1]; - id2 = p[0] & 0xf; - l = p[2] & 0x3f; - l += state->vbi_line_offset; - p += 4; - - switch (id2) { - case 1: - id2 = V4L2_SLICED_TELETEXT_B; - break; - case 4: - id2 = V4L2_SLICED_WSS_625; - break; - case 6: - id2 = V4L2_SLICED_CAPTION_525; - err = !odd_parity(p[0]) || !odd_parity(p[1]); - break; - case 9: - id2 = V4L2_SLICED_VPS; - if (decode_vps(p, p) != 0) - err = 1; - break; - default: - id2 = 0; - err = 1; - break; - } - - vbi->type = err ? 0 : id2; - vbi->line = err ? 0 : l; - vbi->is_second_field = err ? 0 : (id1 == 0x55); - vbi->p = p; - return 0; -} |