From b285192a43f0432d82c2c10974204e78af0da596 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Aug 2012 12:13:30 -0300 Subject: [media] rename most media/video pci drivers to media/pci Rename all PCI drivers with their own directory under drivers/media/video into drivers/media/pci and update the building system. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-av-vbi.c | 311 --------------------------------- 1 file changed, 311 deletions(-) delete mode 100644 drivers/media/video/cx18/cx18-av-vbi.c (limited to 'drivers/media/video/cx18/cx18-av-vbi.c') diff --git a/drivers/media/video/cx18/cx18-av-vbi.c b/drivers/media/video/cx18/cx18-av-vbi.c deleted file mode 100644 index baa36fbcd4d4..000000000000 --- a/drivers/media/video/cx18/cx18-av-vbi.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * cx18 ADEC VBI functions - * - * Derived from cx25840-vbi.c - * - * Copyright (C) 2007 Hans Verkuil - * - * 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 "cx18-driver.h" - -/* - * For sliced VBI output, we set up to use VIP-1.1, 8-bit mode, - * NN counts 1 byte Dwords, an IDID with the VBI line # in it. - * Thus, according to the VIP-2 Spec, our VBI ancillary data lines - * (should!) look like: - * 4 byte EAV code: 0xff 0x00 0x00 0xRP - * unknown number of possible idle bytes - * 3 byte Anc data preamble: 0x00 0xff 0xff - * 1 byte data identifier: ne010iii (parity bits, 010, DID bits) - * 1 byte secondary data id: nessssss (parity bits, SDID bits) - * 1 byte data word count: necccccc (parity bits, NN Dword count) - * 2 byte Internal DID: VBI-line-# 0x80 - * NN data bytes - * 1 byte checksum - * Fill bytes needed to fil out to 4*NN bytes of payload - * - * The RP codes for EAVs when in VIP-1.1 mode, not in raw mode, & - * in the vertical blanking interval are: - * 0xb0 (Task 0 VerticalBlank HorizontalBlank 0 0 0 0) - * 0xf0 (Task EvenField VerticalBlank HorizontalBlank 0 0 0 0) - * - * Since the V bit is only allowed to toggle in the EAV RP code, just - * before the first active region line and for active lines, they are: - * 0x90 (Task 0 0 HorizontalBlank 0 0 0 0) - * 0xd0 (Task EvenField 0 HorizontalBlank 0 0 0 0) - * - * The user application DID bytes we care about are: - * 0x91 (1 0 010 0 !ActiveLine AncDataPresent) - * 0x55 (0 1 010 2ndField !ActiveLine AncDataPresent) - * - */ -static const u8 sliced_vbi_did[2] = { 0x91, 0x55 }; - -struct vbi_anc_data { - /* u8 eav[4]; */ - /* u8 idle[]; Variable number of idle bytes */ - u8 preamble[3]; - u8 did; - u8 sdid; - u8 data_count; - u8 idid[2]; - u8 payload[1]; /* data_count of payload */ - /* u8 checksum; */ - /* u8 fill[]; Variable number of fill bytes */ -}; - -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 cx18_av_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - struct cx18_av_state *state = &cx->av_state; - 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 ((cx18_av_read(cx, 0x404) & 0x10) == 0) - return 0; - - if (is_pal) { - for (i = 7; i <= 23; i++) { - u8 v = cx18_av_read(cx, 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 = cx18_av_read(cx, 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 cx18_av_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - struct cx18_av_state *state = &cx->av_state; - - /* Setup standard */ - cx18_av_std_setup(cx); - - /* VBI Offset */ - cx18_av_write(cx, 0x47f, state->slicer_line_delay); - cx18_av_write(cx, 0x404, 0x2e); - return 0; -} - -int cx18_av_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - struct cx18_av_state *state = &cx->av_state; - int is_pal = !(state->std & V4L2_STD_525_60); - int i, x; - u8 lcr[24]; - - for (x = 0; x <= 23; x++) - lcr[x] = 0x00; - - /* Setup standard */ - cx18_av_std_setup(cx); - - /* Sliced VBI */ - cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ - cx18_av_write(cx, 0x406, 0x13); - cx18_av_write(cx, 0x47f, state->slicer_line_delay); - - /* Force impossible lines to 0 */ - 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; - } - - /* Build register values for requested service lines */ - 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++) - cx18_av_write(cx, i, lcr[6 + x]); - } else { - for (x = 1, i = 0x424; i <= 0x430; i++, x++) - cx18_av_write(cx, i, lcr[9 + x]); - for (i = 0x431; i <= 0x434; i++) - cx18_av_write(cx, i, 0); - } - - cx18_av_write(cx, 0x43c, 0x16); - /* Should match vblank set in cx18_av_std_setup() */ - cx18_av_write(cx, 0x474, is_pal ? 38 : 26); - return 0; -} - -int cx18_av_decode_vbi_line(struct v4l2_subdev *sd, - struct v4l2_decode_vbi_line *vbi) -{ - struct cx18 *cx = v4l2_get_subdevdata(sd); - struct cx18_av_state *state = &cx->av_state; - struct vbi_anc_data *anc = (struct vbi_anc_data *)vbi->p; - u8 *p; - int did, sdid, l, err = 0; - - /* - * Check for the ancillary data header for sliced VBI - */ - if (anc->preamble[0] || - anc->preamble[1] != 0xff || anc->preamble[2] != 0xff || - (anc->did != sliced_vbi_did[0] && - anc->did != sliced_vbi_did[1])) { - vbi->line = vbi->type = 0; - return 0; - } - - did = anc->did; - sdid = anc->sdid & 0xf; - l = anc->idid[0] & 0x3f; - l += state->slicer_line_offset; - p = anc->payload; - - /* Decode the SDID set by the slicer */ - switch (sdid) { - case 1: - sdid = V4L2_SLICED_TELETEXT_B; - break; - case 4: - sdid = V4L2_SLICED_WSS_625; - break; - case 6: - sdid = V4L2_SLICED_CAPTION_525; - err = !odd_parity(p[0]) || !odd_parity(p[1]); - break; - case 9: - sdid = V4L2_SLICED_VPS; - if (decode_vps(p, p) != 0) - err = 1; - break; - default: - sdid = 0; - err = 1; - break; - } - - vbi->type = err ? 0 : sdid; - vbi->line = err ? 0 : l; - vbi->is_second_field = err ? 0 : (did == sliced_vbi_did[1]); - vbi->p = p; - return 0; -} -- cgit v1.2.1