akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1 | /* |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 2 | em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB |
| 3 | video capture devices |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 4 | |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 5 | Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> |
| 6 | Markus Rechberger <mrechberger@gmail.com> |
Mauro Carvalho Chehab | 2e7c6dc | 2006-04-03 07:53:40 -0300 | [diff] [blame] | 7 | Mauro Carvalho Chehab <mchehab@infradead.org> |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 8 | Sascha Sommer <saschasommer@freenet.de> |
Frank Schaefer | 0fa4a40 | 2012-11-08 14:11:45 -0300 | [diff] [blame] | 9 | Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 10 | |
Mauro Carvalho Chehab | 439090d | 2006-01-23 17:10:54 -0200 | [diff] [blame] | 11 | Some parts based on SN9C10x PC Camera Controllers GPL driver made |
| 12 | by Luca Risolia <luca.risolia@studio.unibo.it> |
| 13 | |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 14 | This program is free software; you can redistribute it and/or modify |
| 15 | it under the terms of the GNU General Public License as published by |
| 16 | the Free Software Foundation; either version 2 of the License, or |
| 17 | (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, |
| 20 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | GNU General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 27 | */ |
| 28 | |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/list.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/kernel.h> |
Mauro Carvalho Chehab | e5589be | 2006-01-23 17:11:08 -0200 | [diff] [blame] | 33 | #include <linux/bitmap.h> |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 34 | #include <linux/usb.h> |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 35 | #include <linux/i2c.h> |
Trent Piepho | 6d35c8f | 2007-11-01 01:16:09 -0300 | [diff] [blame] | 36 | #include <linux/mm.h> |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame] | 37 | #include <linux/mutex.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 38 | #include <linux/slab.h> |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 39 | |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 40 | #include "em28xx.h" |
Mauro Carvalho Chehab | c0477ad | 2006-01-09 15:25:14 -0200 | [diff] [blame] | 41 | #include <media/v4l2-common.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 42 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 50fdf40 | 2012-09-07 06:10:12 -0300 | [diff] [blame] | 43 | #include <media/v4l2-event.h> |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 44 | #include <media/v4l2-chip-ident.h> |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 45 | #include <media/msp3400.h> |
Mauro Carvalho Chehab | ed08631 | 2008-01-24 06:59:20 -0300 | [diff] [blame] | 46 | #include <media/tuner.h> |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 47 | |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 48 | #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ |
| 49 | "Markus Rechberger <mrechberger@gmail.com>, " \ |
Mauro Carvalho Chehab | 2e7c6dc | 2006-04-03 07:53:40 -0300 | [diff] [blame] | 50 | "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 51 | "Sascha Sommer <saschasommer@freenet.de>" |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 52 | |
Mauro Carvalho Chehab | f7abcd3 | 2005-11-08 21:38:25 -0800 | [diff] [blame] | 53 | #define DRIVER_DESC "Empia em28xx based USB video device driver" |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 54 | |
Frank Schaefer | 43a20d7 | 2013-02-11 14:07:55 -0300 | [diff] [blame] | 55 | #define EM28XX_VERSION "0.2.0" |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 56 | |
Mauro Carvalho Chehab | 3acf280 | 2005-11-08 21:38:27 -0800 | [diff] [blame] | 57 | #define em28xx_videodbg(fmt, arg...) do {\ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 58 | if (video_debug) \ |
| 59 | printk(KERN_INFO "%s %s :"fmt, \ |
Harvey Harrison | d80e134 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 60 | dev->name, __func__ , ##arg); } while (0) |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 61 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 62 | static unsigned int isoc_debug; |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 63 | module_param(isoc_debug, int, 0644); |
| 64 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 65 | |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 66 | #define em28xx_isocdbg(fmt, arg...) \ |
| 67 | do {\ |
| 68 | if (isoc_debug) { \ |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 69 | printk(KERN_INFO "%s %s :"fmt, \ |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 70 | dev->name, __func__ , ##arg); \ |
| 71 | } \ |
| 72 | } while (0) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 73 | |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 74 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 75 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 76 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 77 | MODULE_VERSION(EM28XX_VERSION); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 78 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 79 | static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; |
| 80 | static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; |
| 81 | static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 82 | |
Mauro Carvalho Chehab | e5589be | 2006-01-23 17:11:08 -0200 | [diff] [blame] | 83 | module_param_array(video_nr, int, NULL, 0444); |
| 84 | module_param_array(vbi_nr, int, NULL, 0444); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 85 | module_param_array(radio_nr, int, NULL, 0444); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 86 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
| 87 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
| 88 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
Mauro Carvalho Chehab | 596d92d | 2005-11-08 21:37:24 -0800 | [diff] [blame] | 89 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 90 | static unsigned int video_debug; |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 91 | module_param(video_debug, int, 0644); |
| 92 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 93 | |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 94 | /* supported video standards */ |
| 95 | static struct em28xx_fmt format[] = { |
| 96 | { |
Mauro Carvalho Chehab | 58fc1ce | 2009-07-03 02:54:18 -0300 | [diff] [blame] | 97 | .name = "16 bpp YUY2, 4:2:2, packed", |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 98 | .fourcc = V4L2_PIX_FMT_YUYV, |
| 99 | .depth = 16, |
Devin Heitmueller | 3fbf930 | 2008-12-29 23:34:37 -0300 | [diff] [blame] | 100 | .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, |
Mauro Carvalho Chehab | 43cb9fe | 2009-06-30 08:36:17 -0300 | [diff] [blame] | 101 | }, { |
Mauro Carvalho Chehab | 58fc1ce | 2009-07-03 02:54:18 -0300 | [diff] [blame] | 102 | .name = "16 bpp RGB 565, LE", |
Mauro Carvalho Chehab | 43cb9fe | 2009-06-30 08:36:17 -0300 | [diff] [blame] | 103 | .fourcc = V4L2_PIX_FMT_RGB565, |
| 104 | .depth = 16, |
Mauro Carvalho Chehab | 58fc1ce | 2009-07-03 02:54:18 -0300 | [diff] [blame] | 105 | .reg = EM28XX_OUTFMT_RGB_16_656, |
| 106 | }, { |
| 107 | .name = "8 bpp Bayer BGBG..GRGR", |
| 108 | .fourcc = V4L2_PIX_FMT_SBGGR8, |
| 109 | .depth = 8, |
| 110 | .reg = EM28XX_OUTFMT_RGB_8_BGBG, |
| 111 | }, { |
| 112 | .name = "8 bpp Bayer GRGR..BGBG", |
| 113 | .fourcc = V4L2_PIX_FMT_SGRBG8, |
| 114 | .depth = 8, |
| 115 | .reg = EM28XX_OUTFMT_RGB_8_GRGR, |
| 116 | }, { |
| 117 | .name = "8 bpp Bayer GBGB..RGRG", |
| 118 | .fourcc = V4L2_PIX_FMT_SGBRG8, |
| 119 | .depth = 8, |
| 120 | .reg = EM28XX_OUTFMT_RGB_8_GBGB, |
| 121 | }, { |
| 122 | .name = "12 bpp YUV411", |
| 123 | .fourcc = V4L2_PIX_FMT_YUV411P, |
| 124 | .depth = 12, |
| 125 | .reg = EM28XX_OUTFMT_YUV411, |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 126 | }, |
| 127 | }; |
| 128 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 129 | /* ------------------------------------------------------------------ |
| 130 | DMA and thread functions |
| 131 | ------------------------------------------------------------------*/ |
| 132 | |
| 133 | /* |
Frank Schaefer | 948a49a | 2012-12-08 11:31:25 -0300 | [diff] [blame] | 134 | * Finish the current buffer |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 135 | */ |
Frank Schaefer | 948a49a | 2012-12-08 11:31:25 -0300 | [diff] [blame] | 136 | static inline void finish_buffer(struct em28xx *dev, |
| 137 | struct em28xx_buffer *buf) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 138 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 139 | em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); |
| 140 | |
| 141 | buf->vb.v4l2_buf.sequence = dev->field_count++; |
| 142 | buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; |
| 143 | v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); |
| 144 | |
| 145 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | /* |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 149 | * Copy picture data from USB buffer to videobuf buffer |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 150 | */ |
| 151 | static void em28xx_copy_video(struct em28xx *dev, |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 152 | struct em28xx_buffer *buf, |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 153 | unsigned char *usb_buf, |
Frank Schaefer | 4078d62 | 2012-12-08 11:31:29 -0300 | [diff] [blame] | 154 | unsigned long len) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 155 | { |
| 156 | void *fieldstart, *startwrite, *startread; |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 157 | int linesdone, currlinedone, offset, lencopy, remain; |
Mauro Carvalho Chehab | 44dc733 | 2008-04-13 15:11:08 -0300 | [diff] [blame] | 158 | int bytesperline = dev->width << 1; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 159 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 160 | if (buf->pos + len > buf->length) |
| 161 | len = buf->length - buf->pos; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 162 | |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 163 | startread = usb_buf; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 164 | remain = len; |
| 165 | |
Frank Schaefer | c02ec71 | 2012-11-08 14:11:33 -0300 | [diff] [blame] | 166 | if (dev->progressive || buf->top_field) |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 167 | fieldstart = buf->vb_buf; |
Frank Schaefer | c02ec71 | 2012-11-08 14:11:33 -0300 | [diff] [blame] | 168 | else /* interlaced mode, even nr. of lines */ |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 169 | fieldstart = buf->vb_buf + bytesperline; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 170 | |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 171 | linesdone = buf->pos / bytesperline; |
| 172 | currlinedone = buf->pos % bytesperline; |
Mauro Carvalho Chehab | c2a6b54 | 2009-08-08 03:14:55 -0300 | [diff] [blame] | 173 | |
| 174 | if (dev->progressive) |
| 175 | offset = linesdone * bytesperline + currlinedone; |
| 176 | else |
| 177 | offset = linesdone * bytesperline * 2 + currlinedone; |
| 178 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 179 | startwrite = fieldstart + offset; |
Mauro Carvalho Chehab | 44dc733 | 2008-04-13 15:11:08 -0300 | [diff] [blame] | 180 | lencopy = bytesperline - currlinedone; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 181 | lencopy = lencopy > remain ? remain : lencopy; |
| 182 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 183 | if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { |
Mauro Carvalho Chehab | ea8df7e | 2008-04-13 14:39:29 -0300 | [diff] [blame] | 184 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 185 | ((char *)startwrite + lencopy) - |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 186 | ((char *)buf->vb_buf + buf->length)); |
| 187 | remain = (char *)buf->vb_buf + buf->length - |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 188 | (char *)startwrite; |
Nicola Soranzo | a1a6ee7 | 2009-02-10 23:28:24 -0300 | [diff] [blame] | 189 | lencopy = remain; |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 190 | } |
Aidan Thornton | e0fadfd34 | 2008-04-13 14:56:02 -0300 | [diff] [blame] | 191 | if (lencopy <= 0) |
| 192 | return; |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 193 | memcpy(startwrite, startread, lencopy); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 194 | |
| 195 | remain -= lencopy; |
| 196 | |
| 197 | while (remain > 0) { |
Frank Schaefer | c02ec71 | 2012-11-08 14:11:33 -0300 | [diff] [blame] | 198 | if (dev->progressive) |
| 199 | startwrite += lencopy; |
| 200 | else |
| 201 | startwrite += lencopy + bytesperline; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 202 | startread += lencopy; |
Mauro Carvalho Chehab | 44dc733 | 2008-04-13 15:11:08 -0300 | [diff] [blame] | 203 | if (bytesperline > remain) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 204 | lencopy = remain; |
| 205 | else |
Mauro Carvalho Chehab | 44dc733 | 2008-04-13 15:11:08 -0300 | [diff] [blame] | 206 | lencopy = bytesperline; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 207 | |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 208 | if ((char *)startwrite + lencopy > (char *)buf->vb_buf + |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 209 | buf->length) { |
Devin Heitmueller | e3ba4d3 | 2009-09-15 00:18:06 -0300 | [diff] [blame] | 210 | em28xx_isocdbg("Overflow of %zi bytes past buffer end" |
| 211 | "(2)\n", |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 212 | ((char *)startwrite + lencopy) - |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 213 | ((char *)buf->vb_buf + buf->length)); |
| 214 | lencopy = remain = (char *)buf->vb_buf + buf->length - |
| 215 | (char *)startwrite; |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 216 | } |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 217 | if (lencopy <= 0) |
| 218 | break; |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 219 | |
| 220 | memcpy(startwrite, startread, lencopy); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 221 | |
| 222 | remain -= lencopy; |
| 223 | } |
| 224 | |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 225 | buf->pos += len; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 226 | } |
| 227 | |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 228 | /* |
| 229 | * Copy VBI data from USB buffer to videobuf buffer |
| 230 | */ |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 231 | static void em28xx_copy_vbi(struct em28xx *dev, |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 232 | struct em28xx_buffer *buf, |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 233 | unsigned char *usb_buf, |
Frank Schaefer | 4078d62 | 2012-12-08 11:31:29 -0300 | [diff] [blame] | 234 | unsigned long len) |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 235 | { |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 236 | unsigned int offset; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 237 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 238 | if (buf->pos + len > buf->length) |
| 239 | len = buf->length - buf->pos; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 240 | |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 241 | offset = buf->pos; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 242 | /* Make sure the bottom field populates the second half of the frame */ |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 243 | if (buf->top_field == 0) |
| 244 | offset += dev->vbi_width * dev->vbi_height; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 245 | |
Frank Schaefer | 36016a3 | 2012-12-08 11:31:32 -0300 | [diff] [blame] | 246 | memcpy(buf->vb_buf + offset, usb_buf, len); |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 247 | buf->pos += len; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 248 | } |
| 249 | |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 250 | static inline void print_err_status(struct em28xx *dev, |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 251 | int packet, int status) |
| 252 | { |
| 253 | char *errmsg = "Unknown"; |
| 254 | |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 255 | switch (status) { |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 256 | case -ENOENT: |
| 257 | errmsg = "unlinked synchronuously"; |
| 258 | break; |
| 259 | case -ECONNRESET: |
| 260 | errmsg = "unlinked asynchronuously"; |
| 261 | break; |
| 262 | case -ENOSR: |
| 263 | errmsg = "Buffer error (overrun)"; |
| 264 | break; |
| 265 | case -EPIPE: |
| 266 | errmsg = "Stalled (device not responding)"; |
| 267 | break; |
| 268 | case -EOVERFLOW: |
| 269 | errmsg = "Babble (bad cable?)"; |
| 270 | break; |
| 271 | case -EPROTO: |
| 272 | errmsg = "Bit-stuff error (bad cable?)"; |
| 273 | break; |
| 274 | case -EILSEQ: |
| 275 | errmsg = "CRC/Timeout (could be anything)"; |
| 276 | break; |
| 277 | case -ETIME: |
| 278 | errmsg = "Device does not respond"; |
| 279 | break; |
| 280 | } |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 281 | if (packet < 0) { |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 282 | em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
| 283 | } else { |
| 284 | em28xx_isocdbg("URB packet %d, status %d [%s].\n", |
| 285 | packet, status, errmsg); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | /* |
Frank Schaefer | 24a6d84 | 2012-12-08 11:31:24 -0300 | [diff] [blame] | 290 | * get the next available buffer from dma queue |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 291 | */ |
Frank Schaefer | 24a6d84 | 2012-12-08 11:31:24 -0300 | [diff] [blame] | 292 | static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, |
| 293 | struct em28xx_dmaqueue *dma_q) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 294 | { |
Frank Schaefer | 24a6d84 | 2012-12-08 11:31:24 -0300 | [diff] [blame] | 295 | struct em28xx_buffer *buf; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 296 | |
Mauro Carvalho Chehab | dbecb44 | 2008-04-13 15:08:55 -0300 | [diff] [blame] | 297 | if (list_empty(&dma_q->active)) { |
| 298 | em28xx_isocdbg("No active queue to serve\n"); |
Frank Schaefer | 24a6d84 | 2012-12-08 11:31:24 -0300 | [diff] [blame] | 299 | return NULL; |
Mauro Carvalho Chehab | dbecb44 | 2008-04-13 15:08:55 -0300 | [diff] [blame] | 300 | } |
| 301 | |
Mauro Carvalho Chehab | dbecb44 | 2008-04-13 15:08:55 -0300 | [diff] [blame] | 302 | /* Get the next buffer */ |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 303 | buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 304 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 305 | list_del(&buf->list); |
Frank Schaefer | 8732533 | 2012-12-08 11:31:27 -0300 | [diff] [blame] | 306 | buf->pos = 0; |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 307 | buf->vb_buf = buf->mem; |
Mauro Carvalho Chehab | cb78472 | 2008-04-13 15:06:52 -0300 | [diff] [blame] | 308 | |
Frank Schaefer | 24a6d84 | 2012-12-08 11:31:24 -0300 | [diff] [blame] | 309 | return buf; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 310 | } |
| 311 | |
Frank Schaefer | e04c00d | 2012-12-08 11:31:30 -0300 | [diff] [blame] | 312 | /* |
| 313 | * Finish the current buffer if completed and prepare for the next field |
| 314 | */ |
| 315 | static struct em28xx_buffer * |
| 316 | finish_field_prepare_next(struct em28xx *dev, |
| 317 | struct em28xx_buffer *buf, |
| 318 | struct em28xx_dmaqueue *dma_q) |
| 319 | { |
| 320 | if (dev->progressive || dev->top_field) { /* Brand new frame */ |
| 321 | if (buf != NULL) |
| 322 | finish_buffer(dev, buf); |
| 323 | buf = get_next_buf(dev, dma_q); |
| 324 | } |
| 325 | if (buf != NULL) { |
| 326 | buf->top_field = dev->top_field; |
| 327 | buf->pos = 0; |
| 328 | } |
| 329 | |
| 330 | return buf; |
| 331 | } |
| 332 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 333 | /* |
| 334 | * Process data packet according to the em2710/em2750/em28xx frame data format |
| 335 | */ |
| 336 | static inline void process_frame_data_em28xx(struct em28xx *dev, |
| 337 | unsigned char *data_pkt, |
| 338 | unsigned int data_len) |
| 339 | { |
| 340 | struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; |
| 341 | struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; |
| 342 | struct em28xx_dmaqueue *dma_q = &dev->vidq; |
| 343 | struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; |
| 344 | |
| 345 | /* capture type 0 = vbi start |
| 346 | capture type 1 = vbi in progress |
| 347 | capture type 2 = video start |
| 348 | capture type 3 = video in progress */ |
| 349 | if (data_len >= 4) { |
| 350 | /* NOTE: Headers are always 4 bytes and |
| 351 | * never split across packets */ |
| 352 | if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && |
| 353 | data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { |
| 354 | /* Continuation */ |
| 355 | data_pkt += 4; |
| 356 | data_len -= 4; |
| 357 | } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { |
| 358 | /* Field start (VBI mode) */ |
| 359 | dev->capture_type = 0; |
| 360 | dev->vbi_read = 0; |
| 361 | em28xx_isocdbg("VBI START HEADER !!!\n"); |
| 362 | dev->top_field = !(data_pkt[2] & 1); |
| 363 | data_pkt += 4; |
| 364 | data_len -= 4; |
| 365 | } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { |
| 366 | /* Field start (VBI disabled) */ |
| 367 | dev->capture_type = 2; |
| 368 | em28xx_isocdbg("VIDEO START HEADER !!!\n"); |
| 369 | dev->top_field = !(data_pkt[2] & 1); |
| 370 | data_pkt += 4; |
| 371 | data_len -= 4; |
| 372 | } |
| 373 | } |
| 374 | /* NOTE: With bulk transfers, intermediate data packets |
| 375 | * have no continuation header */ |
| 376 | |
| 377 | if (dev->capture_type == 0) { |
| 378 | vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); |
| 379 | dev->usb_ctl.vbi_buf = vbi_buf; |
| 380 | dev->capture_type = 1; |
| 381 | } |
| 382 | |
| 383 | if (dev->capture_type == 1) { |
| 384 | int vbi_size = dev->vbi_width * dev->vbi_height; |
| 385 | int vbi_data_len = ((dev->vbi_read + data_len) > vbi_size) ? |
| 386 | (vbi_size - dev->vbi_read) : data_len; |
| 387 | |
| 388 | /* Copy VBI data */ |
| 389 | if (vbi_buf != NULL) |
| 390 | em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); |
| 391 | dev->vbi_read += vbi_data_len; |
| 392 | |
| 393 | if (vbi_data_len < data_len) { |
| 394 | /* Continue with copying video data */ |
| 395 | dev->capture_type = 2; |
| 396 | data_pkt += vbi_data_len; |
| 397 | data_len -= vbi_data_len; |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | if (dev->capture_type == 2) { |
| 402 | buf = finish_field_prepare_next(dev, buf, dma_q); |
| 403 | dev->usb_ctl.vid_buf = buf; |
| 404 | dev->capture_type = 3; |
| 405 | } |
| 406 | |
| 407 | if (dev->capture_type == 3 && buf != NULL && data_len > 0) |
| 408 | em28xx_copy_video(dev, buf, data_pkt, data_len); |
| 409 | } |
| 410 | |
Frank Schaefer | 960da93 | 2012-11-25 06:37:37 -0300 | [diff] [blame] | 411 | /* Processes and copies the URB data content (video and VBI data) */ |
Frank Schaefer | 0fa4a40 | 2012-11-08 14:11:45 -0300 | [diff] [blame] | 412 | static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 413 | { |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 414 | int xfer_bulk, num_packets, i; |
| 415 | unsigned char *usb_data_pkt; |
| 416 | unsigned int usb_data_len; |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 417 | |
| 418 | if (!dev) |
| 419 | return 0; |
| 420 | |
Frank Schaefer | 2665c29 | 2012-12-27 19:02:43 -0300 | [diff] [blame] | 421 | if (dev->disconnected) |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 422 | return 0; |
| 423 | |
Frank Schaefer | 1653cb0c | 2012-11-08 14:11:44 -0300 | [diff] [blame] | 424 | if (urb->status < 0) |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 425 | print_err_status(dev, -1, urb->status); |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 426 | |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 427 | xfer_bulk = usb_pipebulk(urb->pipe); |
| 428 | |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 429 | if (xfer_bulk) /* bulk */ |
| 430 | num_packets = 1; |
| 431 | else /* isoc */ |
| 432 | num_packets = urb->number_of_packets; |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 433 | |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 434 | for (i = 0; i < num_packets; i++) { |
| 435 | if (xfer_bulk) { /* bulk */ |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 436 | usb_data_len = urb->actual_length; |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 437 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 438 | usb_data_pkt = urb->transfer_buffer; |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 439 | } else { /* isoc */ |
| 440 | if (urb->iso_frame_desc[i].status < 0) { |
| 441 | print_err_status(dev, i, |
| 442 | urb->iso_frame_desc[i].status); |
| 443 | if (urb->iso_frame_desc[i].status != -EPROTO) |
| 444 | continue; |
| 445 | } |
| 446 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 447 | usb_data_len = urb->iso_frame_desc[i].actual_length; |
| 448 | if (usb_data_len > dev->max_pkt_size) { |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 449 | em28xx_isocdbg("packet bigger than packet size"); |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 450 | continue; |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 451 | } |
| 452 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 453 | usb_data_pkt = urb->transfer_buffer + |
| 454 | urb->iso_frame_desc[i].offset; |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 455 | } |
| 456 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 457 | if (usb_data_len == 0) { |
Frank Schaefer | 4601cc3 | 2012-11-08 14:11:46 -0300 | [diff] [blame] | 458 | /* NOTE: happens very often with isoc transfers */ |
| 459 | /* em28xx_usbdbg("packet %d is empty",i); - spammy */ |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 460 | continue; |
| 461 | } |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 462 | |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 463 | process_frame_data_em28xx(dev, usb_data_pkt, usb_data_len); |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 464 | } |
Frank Schaefer | 227b7c9 | 2012-12-08 11:31:31 -0300 | [diff] [blame] | 465 | return 1; |
Devin Heitmueller | da52a55 | 2009-09-01 01:19:46 -0300 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 469 | static int get_ressource(enum v4l2_buf_type f_type) |
| 470 | { |
| 471 | switch (f_type) { |
| 472 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 473 | return EM28XX_RESOURCE_VIDEO; |
| 474 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 475 | return EM28XX_RESOURCE_VBI; |
| 476 | default: |
| 477 | BUG(); |
| 478 | return 0; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | /* Usage lock check functions */ |
| 483 | static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) |
| 484 | { |
| 485 | int res_type = get_ressource(f_type); |
| 486 | |
| 487 | /* is it free? */ |
| 488 | if (dev->resources & res_type) { |
| 489 | /* no, someone else uses it */ |
| 490 | return -EBUSY; |
| 491 | } |
| 492 | |
| 493 | /* it's free, grab it */ |
| 494 | dev->resources |= res_type; |
| 495 | em28xx_videodbg("res: get %d\n", res_type); |
| 496 | return 0; |
| 497 | } |
| 498 | |
| 499 | static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) |
| 500 | { |
| 501 | int res_type = get_ressource(f_type); |
| 502 | |
| 503 | dev->resources &= ~res_type; |
| 504 | em28xx_videodbg("res: put %d\n", res_type); |
| 505 | } |
| 506 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 507 | /* ------------------------------------------------------------------ |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 508 | Videobuf2 operations |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 509 | ------------------------------------------------------------------*/ |
| 510 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 511 | static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, |
| 512 | unsigned int *nbuffers, unsigned int *nplanes, |
| 513 | unsigned int sizes[], void *alloc_ctxs[]) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 514 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 515 | struct em28xx *dev = vb2_get_drv_priv(vq); |
| 516 | unsigned long size; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 517 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 518 | if (fmt) |
| 519 | size = fmt->fmt.pix.sizeimage; |
| 520 | else |
| 521 | size = (dev->width * dev->height * dev->format->depth + 7) >> 3; |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 522 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 523 | if (size == 0) |
| 524 | return -EINVAL; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 525 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 526 | if (0 == *nbuffers) |
| 527 | *nbuffers = 32; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 528 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 529 | *nplanes = 1; |
| 530 | sizes[0] = size; |
Mauro Carvalho Chehab | d2d9fbf | 2008-04-17 21:38:53 -0300 | [diff] [blame] | 531 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 532 | return 0; |
| 533 | } |
| 534 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 535 | static int |
| 536 | buffer_prepare(struct vb2_buffer *vb) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 537 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 538 | struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); |
| 539 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
| 540 | unsigned long size; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 541 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 542 | em28xx_videodbg("%s, field=%d\n", __func__, vb->v4l2_buf.field); |
Aidan Thornton | 3b5fa92 | 2008-04-13 15:09:36 -0300 | [diff] [blame] | 543 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 544 | size = (dev->width * dev->height * dev->format->depth + 7) >> 3; |
Aidan Thornton | 3b5fa92 | 2008-04-13 15:09:36 -0300 | [diff] [blame] | 545 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 546 | if (vb2_plane_size(vb, 0) < size) { |
| 547 | em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", |
| 548 | __func__, vb2_plane_size(vb, 0), size); |
| 549 | return -EINVAL; |
| 550 | } |
| 551 | vb2_set_plane_payload(&buf->vb, 0, size); |
| 552 | |
| 553 | return 0; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 554 | } |
| 555 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 556 | int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 557 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 558 | struct em28xx *dev = vb2_get_drv_priv(vq); |
| 559 | struct v4l2_frequency f; |
| 560 | int rc = 0; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 561 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 562 | em28xx_videodbg("%s\n", __func__); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 563 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 564 | /* Make sure streaming is not already in progress for this type |
| 565 | of filehandle (e.g. video, vbi) */ |
| 566 | rc = res_get(dev, vq->type); |
| 567 | if (rc) |
| 568 | return rc; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 569 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 570 | if (dev->streaming_users++ == 0) { |
| 571 | /* First active streaming user, so allocate all the URBs */ |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 572 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 573 | /* Allocate the USB bandwidth */ |
| 574 | em28xx_set_alternate(dev); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 575 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 576 | /* Needed, since GPIO might have disabled power of |
| 577 | some i2c device |
| 578 | */ |
| 579 | em28xx_wake_i2c(dev); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 580 | |
Frank Schaefer | 0455eeb | 2012-11-25 06:37:34 -0300 | [diff] [blame] | 581 | dev->capture_type = -1; |
Frank Schaefer | 960da93 | 2012-11-25 06:37:37 -0300 | [diff] [blame] | 582 | rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, |
| 583 | dev->analog_xfer_bulk, |
| 584 | EM28XX_NUM_BUFS, |
| 585 | dev->max_pkt_size, |
| 586 | dev->packet_multiplier, |
| 587 | em28xx_urb_data_copy); |
Mauro Carvalho Chehab | f245e54 | 2008-04-13 14:41:23 -0300 | [diff] [blame] | 588 | if (rc < 0) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 589 | goto fail; |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 590 | |
| 591 | /* |
| 592 | * djh: it's not clear whether this code is still needed. I'm |
| 593 | * leaving it in here for now entirely out of concern for |
| 594 | * backward compatibility (the old code did it) |
| 595 | */ |
| 596 | |
| 597 | /* Ask tuner to go to analog or radio mode */ |
| 598 | memset(&f, 0, sizeof(f)); |
| 599 | f.frequency = dev->ctl_freq; |
| 600 | if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO) |
| 601 | f.type = V4L2_TUNER_RADIO; |
| 602 | else |
| 603 | f.type = V4L2_TUNER_ANALOG_TV; |
| 604 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 605 | } |
| 606 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 607 | fail: |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 608 | return rc; |
| 609 | } |
| 610 | |
Mauro Carvalho Chehab | 3a799c2 | 2013-01-05 01:27:21 -0200 | [diff] [blame] | 611 | static int em28xx_stop_streaming(struct vb2_queue *vq) |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 612 | { |
| 613 | struct em28xx *dev = vb2_get_drv_priv(vq); |
| 614 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
| 615 | unsigned long flags = 0; |
| 616 | |
| 617 | em28xx_videodbg("%s\n", __func__); |
| 618 | |
| 619 | res_free(dev, vq->type); |
| 620 | |
| 621 | if (dev->streaming_users-- == 1) { |
| 622 | /* Last active user, so shutdown all the URBS */ |
| 623 | em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); |
| 624 | } |
| 625 | |
| 626 | spin_lock_irqsave(&dev->slock, flags); |
| 627 | while (!list_empty(&vidq->active)) { |
| 628 | struct em28xx_buffer *buf; |
| 629 | buf = list_entry(vidq->active.next, struct em28xx_buffer, list); |
| 630 | list_del(&buf->list); |
| 631 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); |
| 632 | } |
| 633 | dev->usb_ctl.vid_buf = NULL; |
| 634 | spin_unlock_irqrestore(&dev->slock, flags); |
| 635 | |
| 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | int em28xx_stop_vbi_streaming(struct vb2_queue *vq) |
| 640 | { |
| 641 | struct em28xx *dev = vb2_get_drv_priv(vq); |
| 642 | struct em28xx_dmaqueue *vbiq = &dev->vbiq; |
| 643 | unsigned long flags = 0; |
| 644 | |
| 645 | em28xx_videodbg("%s\n", __func__); |
| 646 | |
| 647 | res_free(dev, vq->type); |
| 648 | |
| 649 | if (dev->streaming_users-- == 1) { |
| 650 | /* Last active user, so shutdown all the URBS */ |
| 651 | em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); |
| 652 | } |
| 653 | |
| 654 | spin_lock_irqsave(&dev->slock, flags); |
| 655 | while (!list_empty(&vbiq->active)) { |
| 656 | struct em28xx_buffer *buf; |
| 657 | buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); |
| 658 | list_del(&buf->list); |
| 659 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); |
| 660 | } |
| 661 | dev->usb_ctl.vbi_buf = NULL; |
| 662 | spin_unlock_irqrestore(&dev->slock, flags); |
| 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 667 | static void |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 668 | buffer_queue(struct vb2_buffer *vb) |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 669 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 670 | struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); |
| 671 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
| 672 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
| 673 | unsigned long flags = 0; |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 674 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 675 | em28xx_videodbg("%s\n", __func__); |
| 676 | buf->mem = vb2_plane_vaddr(vb, 0); |
| 677 | buf->length = vb2_plane_size(vb, 0); |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 678 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 679 | spin_lock_irqsave(&dev->slock, flags); |
| 680 | list_add_tail(&buf->list, &vidq->active); |
| 681 | spin_unlock_irqrestore(&dev->slock, flags); |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 682 | } |
| 683 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 684 | static struct vb2_ops em28xx_video_qops = { |
| 685 | .queue_setup = queue_setup, |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 686 | .buf_prepare = buffer_prepare, |
| 687 | .buf_queue = buffer_queue, |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 688 | .start_streaming = em28xx_start_analog_streaming, |
| 689 | .stop_streaming = em28xx_stop_streaming, |
| 690 | .wait_prepare = vb2_ops_wait_prepare, |
| 691 | .wait_finish = vb2_ops_wait_finish, |
Mauro Carvalho Chehab | ad0ebb9 | 2008-04-13 14:37:52 -0300 | [diff] [blame] | 692 | }; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 693 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 694 | int em28xx_vb2_setup(struct em28xx *dev) |
| 695 | { |
| 696 | int rc; |
| 697 | struct vb2_queue *q; |
| 698 | |
| 699 | /* Setup Videobuf2 for Video capture */ |
| 700 | q = &dev->vb_vidq; |
| 701 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
Mauro Carvalho Chehab | ef85cd9 | 2013-01-06 00:34:22 -0200 | [diff] [blame] | 702 | q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; |
Frank Schaefer | 195281d | 2013-03-09 06:53:01 -0300 | [diff] [blame] | 703 | q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 704 | q->drv_priv = dev; |
| 705 | q->buf_struct_size = sizeof(struct em28xx_buffer); |
| 706 | q->ops = &em28xx_video_qops; |
| 707 | q->mem_ops = &vb2_vmalloc_memops; |
| 708 | |
| 709 | rc = vb2_queue_init(q); |
| 710 | if (rc < 0) |
| 711 | return rc; |
| 712 | |
| 713 | /* Setup Videobuf2 for VBI capture */ |
| 714 | q = &dev->vb_vbiq; |
| 715 | q->type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 716 | q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; |
Frank Schaefer | 195281d | 2013-03-09 06:53:01 -0300 | [diff] [blame] | 717 | q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 718 | q->drv_priv = dev; |
| 719 | q->buf_struct_size = sizeof(struct em28xx_buffer); |
| 720 | q->ops = &em28xx_vbi_qops; |
| 721 | q->mem_ops = &vb2_vmalloc_memops; |
| 722 | |
| 723 | rc = vb2_queue_init(q); |
| 724 | if (rc < 0) |
| 725 | return rc; |
| 726 | |
| 727 | return 0; |
| 728 | } |
| 729 | |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 730 | /********************* v4l2 interface **************************************/ |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 731 | |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 732 | static void video_mux(struct em28xx *dev, int index) |
| 733 | { |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 734 | dev->ctl_input = index; |
| 735 | dev->ctl_ainput = INPUT(index)->amux; |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 736 | dev->ctl_aoutput = INPUT(index)->aout; |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 737 | |
Mauro Carvalho Chehab | e879b8e | 2008-11-20 13:39:39 -0300 | [diff] [blame] | 738 | if (!dev->ctl_aoutput) |
| 739 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; |
| 740 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 741 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
| 742 | INPUT(index)->vmux, 0, 0); |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 743 | |
Mauro Carvalho Chehab | 505b6d0 | 2008-11-25 09:39:50 -0300 | [diff] [blame] | 744 | if (dev->board.has_msp34xx) { |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 745 | if (dev->i2s_speed) { |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 746 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, |
| 747 | s_i2s_clock_freq, dev->i2s_speed); |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 748 | } |
Hans Verkuil | 2474ed4 | 2006-03-19 12:35:57 -0300 | [diff] [blame] | 749 | /* Note: this is msp3400 specific */ |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 750 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
| 751 | dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 752 | } |
Mauro Carvalho Chehab | 539c96d | 2008-01-05 09:53:54 -0300 | [diff] [blame] | 753 | |
Vitaly Wool | 2bd1d9e | 2009-03-04 08:27:52 -0300 | [diff] [blame] | 754 | if (dev->board.adecoder != EM28XX_NOADECODER) { |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 755 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
| 756 | dev->ctl_ainput, dev->ctl_aoutput, 0); |
Vitaly Wool | 2bd1d9e | 2009-03-04 08:27:52 -0300 | [diff] [blame] | 757 | } |
| 758 | |
Mauro Carvalho Chehab | 00b8730 | 2008-02-06 18:34:13 -0300 | [diff] [blame] | 759 | em28xx_audio_analog_set(dev); |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 760 | } |
| 761 | |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 762 | void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) |
Mauro Carvalho Chehab | a98f6af | 2009-07-19 10:45:49 -0300 | [diff] [blame] | 763 | { |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 764 | struct em28xx *dev = priv; |
Mauro Carvalho Chehab | a98f6af | 2009-07-19 10:45:49 -0300 | [diff] [blame] | 765 | |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 766 | /* |
| 767 | * In the case of non-AC97 volume controls, we still need |
| 768 | * to do some setups at em28xx, in order to mute/unmute |
| 769 | * and to adjust audio volume. However, the value ranges |
| 770 | * should be checked by the corresponding V4L subdriver. |
| 771 | */ |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 772 | switch (ctrl->id) { |
| 773 | case V4L2_CID_AUDIO_MUTE: |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 774 | dev->mute = ctrl->val; |
| 775 | em28xx_audio_analog_set(dev); |
Mauro Carvalho Chehab | a98f6af | 2009-07-19 10:45:49 -0300 | [diff] [blame] | 776 | break; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 777 | case V4L2_CID_AUDIO_VOLUME: |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 778 | dev->volume = ctrl->val; |
| 779 | em28xx_audio_analog_set(dev); |
| 780 | break; |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) |
| 785 | { |
| 786 | struct em28xx *dev = container_of(ctrl->handler, struct em28xx, ctrl_handler); |
Frank Schaefer | 8f8b113a | 2013-02-15 14:38:32 -0300 | [diff] [blame] | 787 | int ret = -EINVAL; |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 788 | |
| 789 | switch (ctrl->id) { |
| 790 | case V4L2_CID_AUDIO_MUTE: |
| 791 | dev->mute = ctrl->val; |
Frank Schaefer | 8f8b113a | 2013-02-15 14:38:32 -0300 | [diff] [blame] | 792 | ret = em28xx_audio_analog_set(dev); |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 793 | break; |
| 794 | case V4L2_CID_AUDIO_VOLUME: |
| 795 | dev->volume = ctrl->val; |
Frank Schaefer | 8f8b113a | 2013-02-15 14:38:32 -0300 | [diff] [blame] | 796 | ret = em28xx_audio_analog_set(dev); |
| 797 | break; |
| 798 | case V4L2_CID_CONTRAST: |
| 799 | ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); |
| 800 | break; |
| 801 | case V4L2_CID_BRIGHTNESS: |
| 802 | ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); |
| 803 | break; |
| 804 | case V4L2_CID_SATURATION: |
| 805 | ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); |
| 806 | break; |
| 807 | case V4L2_CID_BLUE_BALANCE: |
| 808 | ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); |
| 809 | break; |
| 810 | case V4L2_CID_RED_BALANCE: |
| 811 | ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); |
| 812 | break; |
| 813 | case V4L2_CID_SHARPNESS: |
| 814 | ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); |
Mauro Carvalho Chehab | a98f6af | 2009-07-19 10:45:49 -0300 | [diff] [blame] | 815 | break; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 816 | } |
Mauro Carvalho Chehab | a98f6af | 2009-07-19 10:45:49 -0300 | [diff] [blame] | 817 | |
Frank Schaefer | 8f8b113a | 2013-02-15 14:38:32 -0300 | [diff] [blame] | 818 | return (ret < 0) ? ret : 0; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 819 | } |
| 820 | |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 821 | const struct v4l2_ctrl_ops em28xx_ctrl_ops = { |
| 822 | .s_ctrl = em28xx_s_ctrl, |
| 823 | }; |
| 824 | |
Frank Schaefer | 6b09a21 | 2013-02-10 16:05:12 -0300 | [diff] [blame] | 825 | static void size_to_scale(struct em28xx *dev, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 826 | unsigned int width, unsigned int height, |
| 827 | unsigned int *hscale, unsigned int *vscale) |
| 828 | { |
Mauro Carvalho Chehab | 5569996 | 2009-07-13 20:15:02 -0300 | [diff] [blame] | 829 | unsigned int maxw = norm_maxw(dev); |
| 830 | unsigned int maxh = norm_maxh(dev); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 831 | |
| 832 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; |
Frank Schaefer | 8168532 | 2013-02-10 16:05:11 -0300 | [diff] [blame] | 833 | if (*hscale > EM28XX_HVSCALE_MAX) |
| 834 | *hscale = EM28XX_HVSCALE_MAX; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 835 | |
| 836 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; |
Frank Schaefer | 8168532 | 2013-02-10 16:05:11 -0300 | [diff] [blame] | 837 | if (*vscale > EM28XX_HVSCALE_MAX) |
| 838 | *vscale = EM28XX_HVSCALE_MAX; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 839 | } |
| 840 | |
Frank Schaefer | b837413 | 2013-02-10 16:05:13 -0300 | [diff] [blame] | 841 | static void scale_to_size(struct em28xx *dev, |
| 842 | unsigned int hscale, unsigned int vscale, |
| 843 | unsigned int *width, unsigned int *height) |
| 844 | { |
| 845 | unsigned int maxw = norm_maxw(dev); |
| 846 | unsigned int maxh = norm_maxh(dev); |
| 847 | |
| 848 | *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
| 849 | *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); |
| 850 | } |
| 851 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 852 | /* ------------------------------------------------------------------ |
| 853 | IOCTL vidioc handling |
| 854 | ------------------------------------------------------------------*/ |
| 855 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 856 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 857 | struct v4l2_format *f) |
| 858 | { |
| 859 | struct em28xx_fh *fh = priv; |
| 860 | struct em28xx *dev = fh->dev; |
| 861 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 862 | f->fmt.pix.width = dev->width; |
| 863 | f->fmt.pix.height = dev->height; |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 864 | f->fmt.pix.pixelformat = dev->format->fourcc; |
| 865 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; |
Mauro Carvalho Chehab | 44dc733 | 2008-04-13 15:11:08 -0300 | [diff] [blame] | 866 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 867 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 868 | |
| 869 | /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ |
Mauro Carvalho Chehab | c2a6b54 | 2009-08-08 03:14:55 -0300 | [diff] [blame] | 870 | if (dev->progressive) |
| 871 | f->fmt.pix.field = V4L2_FIELD_NONE; |
| 872 | else |
| 873 | f->fmt.pix.field = dev->interlaced ? |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 874 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 875 | return 0; |
| 876 | } |
| 877 | |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 878 | static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) |
| 879 | { |
| 880 | unsigned int i; |
| 881 | |
| 882 | for (i = 0; i < ARRAY_SIZE(format); i++) |
| 883 | if (format[i].fourcc == fourcc) |
| 884 | return &format[i]; |
| 885 | |
| 886 | return NULL; |
| 887 | } |
| 888 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 889 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 890 | struct v4l2_format *f) |
| 891 | { |
| 892 | struct em28xx_fh *fh = priv; |
| 893 | struct em28xx *dev = fh->dev; |
Trent Piepho | ccb8340 | 2009-05-30 21:45:46 -0300 | [diff] [blame] | 894 | unsigned int width = f->fmt.pix.width; |
| 895 | unsigned int height = f->fmt.pix.height; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 896 | unsigned int maxw = norm_maxw(dev); |
| 897 | unsigned int maxh = norm_maxh(dev); |
| 898 | unsigned int hscale, vscale; |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 899 | struct em28xx_fmt *fmt; |
| 900 | |
| 901 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 902 | if (!fmt) { |
| 903 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", |
| 904 | f->fmt.pix.pixelformat); |
| 905 | return -EINVAL; |
| 906 | } |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 907 | |
Mauro Carvalho Chehab | 5569996 | 2009-07-13 20:15:02 -0300 | [diff] [blame] | 908 | if (dev->board.is_em2800) { |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 909 | /* the em2800 can only scale down to 50% */ |
Trent Piepho | ccb8340 | 2009-05-30 21:45:46 -0300 | [diff] [blame] | 910 | height = height > (3 * maxh / 4) ? maxh : maxh / 2; |
| 911 | width = width > (3 * maxw / 4) ? maxw : maxw / 2; |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 912 | /* |
| 913 | * MaxPacketSize for em2800 is too small to capture at full |
| 914 | * resolution use half of maxw as the scaler can only scale |
| 915 | * to 50% |
| 916 | */ |
Sascha Sommer | 1020d13 | 2012-01-08 16:54:28 -0300 | [diff] [blame] | 917 | if (width == maxw && height == maxh) |
| 918 | width /= 2; |
Trent Piepho | ccb8340 | 2009-05-30 21:45:46 -0300 | [diff] [blame] | 919 | } else { |
| 920 | /* width must even because of the YUYV format |
| 921 | height must be even because of interlacing */ |
Devin Heitmueller | e3ba4d3 | 2009-09-15 00:18:06 -0300 | [diff] [blame] | 922 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, |
| 923 | 1, 0); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 924 | } |
| 925 | |
Frank Schaefer | 6b09a21 | 2013-02-10 16:05:12 -0300 | [diff] [blame] | 926 | size_to_scale(dev, width, height, &hscale, &vscale); |
Frank Schaefer | b837413 | 2013-02-10 16:05:13 -0300 | [diff] [blame] | 927 | scale_to_size(dev, hscale, hscale, &width, &height); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 928 | |
| 929 | f->fmt.pix.width = width; |
| 930 | f->fmt.pix.height = height; |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 931 | f->fmt.pix.pixelformat = fmt->fourcc; |
Hans Verkuil | e6066db | 2013-02-06 08:14:47 -0300 | [diff] [blame] | 932 | f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 933 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 934 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
Mauro Carvalho Chehab | c2a6b54 | 2009-08-08 03:14:55 -0300 | [diff] [blame] | 935 | if (dev->progressive) |
| 936 | f->fmt.pix.field = V4L2_FIELD_NONE; |
| 937 | else |
| 938 | f->fmt.pix.field = dev->interlaced ? |
| 939 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 940 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 941 | return 0; |
| 942 | } |
| 943 | |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 944 | static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, |
| 945 | unsigned width, unsigned height) |
| 946 | { |
| 947 | struct em28xx_fmt *fmt; |
| 948 | |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 949 | fmt = format_by_fourcc(fourcc); |
| 950 | if (!fmt) |
| 951 | return -EINVAL; |
| 952 | |
| 953 | dev->format = fmt; |
| 954 | dev->width = width; |
| 955 | dev->height = height; |
| 956 | |
| 957 | /* set new image size */ |
Frank Schaefer | 6b09a21 | 2013-02-10 16:05:12 -0300 | [diff] [blame] | 958 | size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 959 | |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 960 | em28xx_resolution_set(dev); |
| 961 | |
| 962 | return 0; |
| 963 | } |
| 964 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 965 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 966 | struct v4l2_format *f) |
| 967 | { |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 968 | struct em28xx *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 969 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 970 | if (dev->streaming_users > 0) |
| 971 | return -EBUSY; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 972 | |
Mauro Carvalho Chehab | efc52a9 | 2008-12-16 22:04:56 -0300 | [diff] [blame] | 973 | vidioc_try_fmt_vid_cap(file, priv, f); |
| 974 | |
Hans Verkuil | 0499a5a | 2010-09-26 07:34:45 -0300 | [diff] [blame] | 975 | return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 976 | f->fmt.pix.width, f->fmt.pix.height); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 977 | } |
| 978 | |
Devin Heitmueller | 19bf003 | 2009-09-11 00:40:18 -0300 | [diff] [blame] | 979 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
| 980 | { |
| 981 | struct em28xx_fh *fh = priv; |
| 982 | struct em28xx *dev = fh->dev; |
Devin Heitmueller | 19bf003 | 2009-09-11 00:40:18 -0300 | [diff] [blame] | 983 | |
| 984 | *norm = dev->norm; |
| 985 | |
| 986 | return 0; |
| 987 | } |
| 988 | |
Mauro Carvalho Chehab | d56ae6f | 2011-10-04 09:53:00 -0300 | [diff] [blame] | 989 | static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) |
| 990 | { |
| 991 | struct em28xx_fh *fh = priv; |
| 992 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | d56ae6f | 2011-10-04 09:53:00 -0300 | [diff] [blame] | 993 | |
| 994 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); |
| 995 | |
| 996 | return 0; |
| 997 | } |
| 998 | |
Nicola Soranzo | a1a6ee7 | 2009-02-10 23:28:24 -0300 | [diff] [blame] | 999 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1000 | { |
| 1001 | struct em28xx_fh *fh = priv; |
| 1002 | struct em28xx *dev = fh->dev; |
| 1003 | struct v4l2_format f; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1004 | |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1005 | if (*norm == dev->norm) |
| 1006 | return 0; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1007 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1008 | if (dev->streaming_users > 0) |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1009 | return -EBUSY; |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1010 | |
Mauro Carvalho Chehab | 7d497f8 | 2007-11-11 14:15:34 -0300 | [diff] [blame] | 1011 | dev->norm = *norm; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1012 | |
| 1013 | /* Adjusts width/height, if needed */ |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1014 | f.fmt.pix.width = 720; |
| 1015 | f.fmt.pix.height = (*norm & V4L2_STD_525_60) ? 480 : 576; |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 1016 | vidioc_try_fmt_vid_cap(file, priv, &f); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1017 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1018 | /* set new image size */ |
| 1019 | dev->width = f.fmt.pix.width; |
| 1020 | dev->height = f.fmt.pix.height; |
Frank Schaefer | 6b09a21 | 2013-02-10 16:05:12 -0300 | [diff] [blame] | 1021 | size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1022 | |
| 1023 | em28xx_resolution_set(dev); |
Hans Verkuil | f41737e | 2009-04-01 03:52:39 -0300 | [diff] [blame] | 1024 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1025 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1026 | return 0; |
| 1027 | } |
| 1028 | |
Mauro Carvalho Chehab | d96ecda | 2009-08-06 21:53:59 -0300 | [diff] [blame] | 1029 | static int vidioc_g_parm(struct file *file, void *priv, |
| 1030 | struct v4l2_streamparm *p) |
| 1031 | { |
| 1032 | struct em28xx_fh *fh = priv; |
| 1033 | struct em28xx *dev = fh->dev; |
| 1034 | int rc = 0; |
| 1035 | |
Hans Verkuil | 86ff7f1 | 2012-09-07 06:16:03 -0300 | [diff] [blame] | 1036 | p->parm.capture.readbuffers = EM28XX_MIN_BUF; |
Mauro Carvalho Chehab | d96ecda | 2009-08-06 21:53:59 -0300 | [diff] [blame] | 1037 | if (dev->board.is_webcam) |
| 1038 | rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, |
| 1039 | video, g_parm, p); |
| 1040 | else |
| 1041 | v4l2_video_std_frame_period(dev->norm, |
| 1042 | &p->parm.capture.timeperframe); |
| 1043 | |
| 1044 | return rc; |
| 1045 | } |
| 1046 | |
| 1047 | static int vidioc_s_parm(struct file *file, void *priv, |
| 1048 | struct v4l2_streamparm *p) |
| 1049 | { |
| 1050 | struct em28xx_fh *fh = priv; |
| 1051 | struct em28xx *dev = fh->dev; |
| 1052 | |
Hans Verkuil | 86ff7f1 | 2012-09-07 06:16:03 -0300 | [diff] [blame] | 1053 | p->parm.capture.readbuffers = EM28XX_MIN_BUF; |
Mauro Carvalho Chehab | d96ecda | 2009-08-06 21:53:59 -0300 | [diff] [blame] | 1054 | return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); |
| 1055 | } |
| 1056 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1057 | static const char *iname[] = { |
| 1058 | [EM28XX_VMUX_COMPOSITE1] = "Composite1", |
| 1059 | [EM28XX_VMUX_COMPOSITE2] = "Composite2", |
| 1060 | [EM28XX_VMUX_COMPOSITE3] = "Composite3", |
| 1061 | [EM28XX_VMUX_COMPOSITE4] = "Composite4", |
| 1062 | [EM28XX_VMUX_SVIDEO] = "S-Video", |
| 1063 | [EM28XX_VMUX_TELEVISION] = "Television", |
| 1064 | [EM28XX_VMUX_CABLE] = "Cable TV", |
| 1065 | [EM28XX_VMUX_DVB] = "DVB", |
| 1066 | [EM28XX_VMUX_DEBUG] = "for debug only", |
| 1067 | }; |
| 1068 | |
| 1069 | static int vidioc_enum_input(struct file *file, void *priv, |
| 1070 | struct v4l2_input *i) |
| 1071 | { |
| 1072 | struct em28xx_fh *fh = priv; |
| 1073 | struct em28xx *dev = fh->dev; |
| 1074 | unsigned int n; |
| 1075 | |
| 1076 | n = i->index; |
| 1077 | if (n >= MAX_EM28XX_INPUT) |
| 1078 | return -EINVAL; |
| 1079 | if (0 == INPUT(n)->type) |
| 1080 | return -EINVAL; |
| 1081 | |
| 1082 | i->index = n; |
| 1083 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 1084 | |
| 1085 | strcpy(i->name, iname[INPUT(n)->type]); |
| 1086 | |
| 1087 | if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || |
| 1088 | (EM28XX_VMUX_CABLE == INPUT(n)->type)) |
| 1089 | i->type = V4L2_INPUT_TYPE_TUNER; |
| 1090 | |
Mauro Carvalho Chehab | 7d497f8 | 2007-11-11 14:15:34 -0300 | [diff] [blame] | 1091 | i->std = dev->vdev->tvnorms; |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1092 | /* webcams do not have the STD API */ |
| 1093 | if (dev->board.is_webcam) |
| 1094 | i->capabilities = 0; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1095 | |
| 1096 | return 0; |
| 1097 | } |
| 1098 | |
| 1099 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
| 1100 | { |
| 1101 | struct em28xx_fh *fh = priv; |
| 1102 | struct em28xx *dev = fh->dev; |
| 1103 | |
| 1104 | *i = dev->ctl_input; |
| 1105 | |
| 1106 | return 0; |
| 1107 | } |
| 1108 | |
| 1109 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
| 1110 | { |
| 1111 | struct em28xx_fh *fh = priv; |
| 1112 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1113 | |
| 1114 | if (i >= MAX_EM28XX_INPUT) |
| 1115 | return -EINVAL; |
| 1116 | if (0 == INPUT(i)->type) |
| 1117 | return -EINVAL; |
| 1118 | |
Ezequiel GarcÃa | 96371fc | 2012-03-23 18:09:34 -0300 | [diff] [blame] | 1119 | video_mux(dev, i); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1120 | return 0; |
| 1121 | } |
| 1122 | |
| 1123 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1124 | { |
| 1125 | struct em28xx_fh *fh = priv; |
| 1126 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1127 | |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 1128 | switch (a->index) { |
| 1129 | case EM28XX_AMUX_VIDEO: |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1130 | strcpy(a->name, "Television"); |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 1131 | break; |
| 1132 | case EM28XX_AMUX_LINE_IN: |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1133 | strcpy(a->name, "Line In"); |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 1134 | break; |
| 1135 | case EM28XX_AMUX_VIDEO2: |
| 1136 | strcpy(a->name, "Television alt"); |
| 1137 | break; |
| 1138 | case EM28XX_AMUX_PHONE: |
| 1139 | strcpy(a->name, "Phone"); |
| 1140 | break; |
| 1141 | case EM28XX_AMUX_MIC: |
| 1142 | strcpy(a->name, "Mic"); |
| 1143 | break; |
| 1144 | case EM28XX_AMUX_CD: |
| 1145 | strcpy(a->name, "CD"); |
| 1146 | break; |
| 1147 | case EM28XX_AMUX_AUX: |
| 1148 | strcpy(a->name, "Aux"); |
| 1149 | break; |
| 1150 | case EM28XX_AMUX_PCM_OUT: |
| 1151 | strcpy(a->name, "PCM"); |
| 1152 | break; |
| 1153 | default: |
| 1154 | return -EINVAL; |
| 1155 | } |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 1156 | |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 1157 | a->index = dev->ctl_ainput; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1158 | a->capability = V4L2_AUDCAP_STEREO; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1159 | |
| 1160 | return 0; |
| 1161 | } |
| 1162 | |
Hans Verkuil | 0e8025b9 | 2012-09-04 11:59:31 -0300 | [diff] [blame] | 1163 | static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1164 | { |
| 1165 | struct em28xx_fh *fh = priv; |
| 1166 | struct em28xx *dev = fh->dev; |
| 1167 | |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1168 | if (a->index >= MAX_EM28XX_INPUT) |
| 1169 | return -EINVAL; |
| 1170 | if (0 == INPUT(a->index)->type) |
| 1171 | return -EINVAL; |
| 1172 | |
Mauro Carvalho Chehab | 35ae6f0 | 2008-11-20 12:40:51 -0300 | [diff] [blame] | 1173 | dev->ctl_ainput = INPUT(a->index)->amux; |
| 1174 | dev->ctl_aoutput = INPUT(a->index)->aout; |
Mauro Carvalho Chehab | e879b8e | 2008-11-20 13:39:39 -0300 | [diff] [blame] | 1175 | |
| 1176 | if (!dev->ctl_aoutput) |
| 1177 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; |
Mauro Carvalho Chehab | efc52a9 | 2008-12-16 22:04:56 -0300 | [diff] [blame] | 1178 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1179 | return 0; |
| 1180 | } |
| 1181 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1182 | static int vidioc_g_tuner(struct file *file, void *priv, |
| 1183 | struct v4l2_tuner *t) |
| 1184 | { |
| 1185 | struct em28xx_fh *fh = priv; |
| 1186 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1187 | |
| 1188 | if (0 != t->index) |
| 1189 | return -EINVAL; |
| 1190 | |
| 1191 | strcpy(t->name, "Tuner"); |
| 1192 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1193 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1194 | return 0; |
| 1195 | } |
| 1196 | |
| 1197 | static int vidioc_s_tuner(struct file *file, void *priv, |
Hans Verkuil | 2f73c7c | 2013-03-15 06:10:06 -0300 | [diff] [blame^] | 1198 | const struct v4l2_tuner *t) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1199 | { |
| 1200 | struct em28xx_fh *fh = priv; |
| 1201 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1202 | |
| 1203 | if (0 != t->index) |
| 1204 | return -EINVAL; |
| 1205 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1206 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1207 | return 0; |
| 1208 | } |
| 1209 | |
| 1210 | static int vidioc_g_frequency(struct file *file, void *priv, |
| 1211 | struct v4l2_frequency *f) |
| 1212 | { |
| 1213 | struct em28xx_fh *fh = priv; |
| 1214 | struct em28xx *dev = fh->dev; |
| 1215 | |
Hans Verkuil | 20deebf | 2012-09-06 10:07:25 -0300 | [diff] [blame] | 1216 | if (0 != f->tuner) |
| 1217 | return -EINVAL; |
| 1218 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1219 | f->frequency = dev->ctl_freq; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1220 | return 0; |
| 1221 | } |
| 1222 | |
| 1223 | static int vidioc_s_frequency(struct file *file, void *priv, |
Hans Verkuil | b530a44 | 2013-03-19 04:09:26 -0300 | [diff] [blame] | 1224 | const struct v4l2_frequency *f) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1225 | { |
Hans Verkuil | b530a44 | 2013-03-19 04:09:26 -0300 | [diff] [blame] | 1226 | struct v4l2_frequency new_freq = *f; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1227 | struct em28xx_fh *fh = priv; |
| 1228 | struct em28xx *dev = fh->dev; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1229 | |
| 1230 | if (0 != f->tuner) |
| 1231 | return -EINVAL; |
| 1232 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1233 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
Hans Verkuil | b530a44 | 2013-03-19 04:09:26 -0300 | [diff] [blame] | 1234 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); |
| 1235 | dev->ctl_freq = new_freq.frequency; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1236 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1237 | return 0; |
| 1238 | } |
| 1239 | |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1240 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1241 | struct v4l2_dbg_chip_ident *chip) |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1242 | { |
| 1243 | struct em28xx_fh *fh = priv; |
| 1244 | struct em28xx *dev = fh->dev; |
| 1245 | |
| 1246 | chip->ident = V4L2_IDENT_NONE; |
| 1247 | chip->revision = 0; |
Hans Verkuil | 319a55f | 2012-09-06 09:53:08 -0300 | [diff] [blame] | 1248 | if (chip->match.type == V4L2_CHIP_MATCH_HOST) { |
| 1249 | if (v4l2_chip_match_host(&chip->match)) |
| 1250 | chip->ident = V4L2_IDENT_NONE; |
| 1251 | return 0; |
| 1252 | } |
| 1253 | if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER && |
| 1254 | chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
| 1255 | return -EINVAL; |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1256 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1257 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1258 | |
| 1259 | return 0; |
| 1260 | } |
| 1261 | |
Frank Schaefer | 35deba3 | 2013-02-07 13:39:19 -0300 | [diff] [blame] | 1262 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1263 | static int em28xx_reg_len(int reg) |
| 1264 | { |
| 1265 | switch (reg) { |
| 1266 | case EM28XX_R40_AC97LSB: |
| 1267 | case EM28XX_R30_HSCALELOW: |
| 1268 | case EM28XX_R32_VSCALELOW: |
| 1269 | return 2; |
| 1270 | default: |
| 1271 | return 1; |
| 1272 | } |
| 1273 | } |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1274 | |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1275 | static int vidioc_g_register(struct file *file, void *priv, |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1276 | struct v4l2_dbg_register *reg) |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1277 | { |
| 1278 | struct em28xx_fh *fh = priv; |
| 1279 | struct em28xx *dev = fh->dev; |
| 1280 | int ret; |
| 1281 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1282 | switch (reg->match.type) { |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1283 | case V4L2_CHIP_MATCH_AC97: |
Mauro Carvalho Chehab | 531c98e | 2008-12-22 13:18:27 -0300 | [diff] [blame] | 1284 | ret = em28xx_read_ac97(dev, reg->reg); |
Mauro Carvalho Chehab | 531c98e | 2008-12-22 13:18:27 -0300 | [diff] [blame] | 1285 | if (ret < 0) |
| 1286 | return ret; |
| 1287 | |
| 1288 | reg->val = ret; |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1289 | reg->size = 1; |
Mauro Carvalho Chehab | 531c98e | 2008-12-22 13:18:27 -0300 | [diff] [blame] | 1290 | return 0; |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1291 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1292 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1293 | return 0; |
| 1294 | case V4L2_CHIP_MATCH_I2C_ADDR: |
Mauro Carvalho Chehab | 4efa2d7 | 2009-08-09 19:39:23 -0300 | [diff] [blame] | 1295 | /* TODO: is this correct? */ |
| 1296 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
| 1297 | return 0; |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1298 | default: |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1299 | if (!v4l2_chip_match_host(®->match)) |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1300 | return -EINVAL; |
Mauro Carvalho Chehab | 531c98e | 2008-12-22 13:18:27 -0300 | [diff] [blame] | 1301 | } |
| 1302 | |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1303 | /* Match host */ |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1304 | reg->size = em28xx_reg_len(reg->reg); |
| 1305 | if (reg->size == 1) { |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1306 | ret = em28xx_read_reg(dev, reg->reg); |
Mauro Carvalho Chehab | efc52a9 | 2008-12-16 22:04:56 -0300 | [diff] [blame] | 1307 | |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1308 | if (ret < 0) |
| 1309 | return ret; |
| 1310 | |
| 1311 | reg->val = ret; |
| 1312 | } else { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1313 | __le16 val = 0; |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1314 | ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, |
| 1315 | reg->reg, (char *)&val, 2); |
| 1316 | if (ret < 0) |
| 1317 | return ret; |
| 1318 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1319 | reg->val = le16_to_cpu(val); |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1320 | } |
| 1321 | |
| 1322 | return 0; |
| 1323 | } |
| 1324 | |
| 1325 | static int vidioc_s_register(struct file *file, void *priv, |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1326 | struct v4l2_dbg_register *reg) |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1327 | { |
| 1328 | struct em28xx_fh *fh = priv; |
| 1329 | struct em28xx *dev = fh->dev; |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1330 | __le16 buf; |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1331 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1332 | switch (reg->match.type) { |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1333 | case V4L2_CHIP_MATCH_AC97: |
Hans Verkuil | 0499a5a | 2010-09-26 07:34:45 -0300 | [diff] [blame] | 1334 | return em28xx_write_ac97(dev, reg->reg, reg->val); |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1335 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1336 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1337 | return 0; |
| 1338 | case V4L2_CHIP_MATCH_I2C_ADDR: |
Mauro Carvalho Chehab | 4efa2d7 | 2009-08-09 19:39:23 -0300 | [diff] [blame] | 1339 | /* TODO: is this correct? */ |
| 1340 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
| 1341 | return 0; |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1342 | default: |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1343 | if (!v4l2_chip_match_host(®->match)) |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1344 | return -EINVAL; |
Mauro Carvalho Chehab | 531c98e | 2008-12-22 13:18:27 -0300 | [diff] [blame] | 1345 | } |
| 1346 | |
Mauro Carvalho Chehab | 14983d8 | 2008-12-22 20:58:41 -0300 | [diff] [blame] | 1347 | /* Match host */ |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1348 | buf = cpu_to_le16(reg->val); |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1349 | |
Hans Verkuil | 0499a5a | 2010-09-26 07:34:45 -0300 | [diff] [blame] | 1350 | return em28xx_write_regs(dev, reg->reg, (char *)&buf, |
Mauro Carvalho Chehab | efc52a9 | 2008-12-16 22:04:56 -0300 | [diff] [blame] | 1351 | em28xx_reg_len(reg->reg)); |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1352 | } |
| 1353 | #endif |
| 1354 | |
| 1355 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1356 | static int vidioc_querycap(struct file *file, void *priv, |
| 1357 | struct v4l2_capability *cap) |
| 1358 | { |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1359 | struct video_device *vdev = video_devdata(file); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1360 | struct em28xx_fh *fh = priv; |
| 1361 | struct em28xx *dev = fh->dev; |
| 1362 | |
| 1363 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); |
| 1364 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); |
Thierry MERLE | cb97716 | 2009-01-20 18:01:33 -0300 | [diff] [blame] | 1365 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1366 | |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1367 | if (vdev->vfl_type == VFL_TYPE_GRABBER) |
| 1368 | cap->device_caps = V4L2_CAP_READWRITE | |
| 1369 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
| 1370 | else if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 1371 | cap->device_caps = V4L2_CAP_RADIO; |
| 1372 | else |
Hans Verkuil | 1d179ee | 2012-09-07 08:45:10 -0300 | [diff] [blame] | 1373 | cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; |
Devin Heitmueller | 0414614 | 2009-09-11 00:08:44 -0300 | [diff] [blame] | 1374 | |
Mauro Carvalho Chehab | 6c428b5 | 2009-08-04 19:52:37 -0300 | [diff] [blame] | 1375 | if (dev->audio_mode.has_audio) |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1376 | cap->device_caps |= V4L2_CAP_AUDIO; |
Mauro Carvalho Chehab | 6c428b5 | 2009-08-04 19:52:37 -0300 | [diff] [blame] | 1377 | |
Mauro Carvalho Chehab | ed08631 | 2008-01-24 06:59:20 -0300 | [diff] [blame] | 1378 | if (dev->tuner_type != TUNER_ABSENT) |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1379 | cap->device_caps |= V4L2_CAP_TUNER; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1380 | |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1381 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | |
| 1382 | V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
| 1383 | if (dev->vbi_dev) |
Hans Verkuil | 1d179ee | 2012-09-07 08:45:10 -0300 | [diff] [blame] | 1384 | cap->capabilities |= V4L2_CAP_VBI_CAPTURE; |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1385 | if (dev->radio_dev) |
| 1386 | cap->capabilities |= V4L2_CAP_RADIO; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1387 | return 0; |
| 1388 | } |
| 1389 | |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 1390 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 1391 | struct v4l2_fmtdesc *f) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1392 | { |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 1393 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1394 | return -EINVAL; |
| 1395 | |
Mauro Carvalho Chehab | bddcf63 | 2008-12-20 09:06:37 -0300 | [diff] [blame] | 1396 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
| 1397 | f->pixelformat = format[f->index].fourcc; |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1398 | |
| 1399 | return 0; |
| 1400 | } |
| 1401 | |
Mauro Carvalho Chehab | 1c5c506 | 2011-10-16 13:52:43 -0200 | [diff] [blame] | 1402 | static int vidioc_enum_framesizes(struct file *file, void *priv, |
| 1403 | struct v4l2_frmsizeenum *fsize) |
| 1404 | { |
| 1405 | struct em28xx_fh *fh = priv; |
| 1406 | struct em28xx *dev = fh->dev; |
| 1407 | struct em28xx_fmt *fmt; |
| 1408 | unsigned int maxw = norm_maxw(dev); |
| 1409 | unsigned int maxh = norm_maxh(dev); |
| 1410 | |
| 1411 | fmt = format_by_fourcc(fsize->pixel_format); |
| 1412 | if (!fmt) { |
| 1413 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", |
| 1414 | fsize->pixel_format); |
| 1415 | return -EINVAL; |
| 1416 | } |
| 1417 | |
| 1418 | if (dev->board.is_em2800) { |
| 1419 | if (fsize->index > 1) |
| 1420 | return -EINVAL; |
| 1421 | fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; |
| 1422 | fsize->discrete.width = maxw / (1 + fsize->index); |
| 1423 | fsize->discrete.height = maxh / (1 + fsize->index); |
| 1424 | return 0; |
| 1425 | } |
| 1426 | |
| 1427 | if (fsize->index != 0) |
| 1428 | return -EINVAL; |
| 1429 | |
| 1430 | /* Report a continuous range */ |
| 1431 | fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; |
Frank Schaefer | 6c3598e | 2013-02-10 16:05:14 -0300 | [diff] [blame] | 1432 | scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, |
| 1433 | &fsize->stepwise.min_width, &fsize->stepwise.min_height); |
| 1434 | if (fsize->stepwise.min_width < 48) |
| 1435 | fsize->stepwise.min_width = 48; |
| 1436 | if (fsize->stepwise.min_height < 38) |
| 1437 | fsize->stepwise.min_height = 38; |
Mauro Carvalho Chehab | 1c5c506 | 2011-10-16 13:52:43 -0200 | [diff] [blame] | 1438 | fsize->stepwise.max_width = maxw; |
| 1439 | fsize->stepwise.max_height = maxh; |
| 1440 | fsize->stepwise.step_width = 1; |
| 1441 | fsize->stepwise.step_height = 1; |
| 1442 | return 0; |
| 1443 | } |
| 1444 | |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1445 | /* RAW VBI ioctls */ |
| 1446 | |
| 1447 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, |
| 1448 | struct v4l2_format *format) |
| 1449 | { |
Devin Heitmueller | 66d9cba | 2009-11-24 23:17:25 -0300 | [diff] [blame] | 1450 | struct em28xx_fh *fh = priv; |
| 1451 | struct em28xx *dev = fh->dev; |
| 1452 | |
| 1453 | format->fmt.vbi.samples_per_line = dev->vbi_width; |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1454 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; |
| 1455 | format->fmt.vbi.offset = 0; |
| 1456 | format->fmt.vbi.flags = 0; |
Devin Heitmueller | 66d9cba | 2009-11-24 23:17:25 -0300 | [diff] [blame] | 1457 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; |
| 1458 | format->fmt.vbi.count[0] = dev->vbi_height; |
| 1459 | format->fmt.vbi.count[1] = dev->vbi_height; |
Hans Verkuil | 2a221d3 | 2012-09-07 08:51:32 -0300 | [diff] [blame] | 1460 | memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1461 | |
| 1462 | /* Varies by video standard (NTSC, PAL, etc.) */ |
Devin Heitmueller | 66d9cba | 2009-11-24 23:17:25 -0300 | [diff] [blame] | 1463 | if (dev->norm & V4L2_STD_525_60) { |
| 1464 | /* NTSC */ |
| 1465 | format->fmt.vbi.start[0] = 10; |
| 1466 | format->fmt.vbi.start[1] = 273; |
| 1467 | } else if (dev->norm & V4L2_STD_625_50) { |
| 1468 | /* PAL */ |
| 1469 | format->fmt.vbi.start[0] = 6; |
| 1470 | format->fmt.vbi.start[1] = 318; |
| 1471 | } |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1472 | |
| 1473 | return 0; |
| 1474 | } |
| 1475 | |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1476 | /* ----------------------------------------------------------- */ |
| 1477 | /* RADIO ESPECIFIC IOCTLS */ |
| 1478 | /* ----------------------------------------------------------- */ |
| 1479 | |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1480 | static int radio_g_tuner(struct file *file, void *priv, |
| 1481 | struct v4l2_tuner *t) |
| 1482 | { |
| 1483 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; |
| 1484 | |
| 1485 | if (unlikely(t->index > 0)) |
| 1486 | return -EINVAL; |
| 1487 | |
| 1488 | strcpy(t->name, "Radio"); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1489 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1490 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
Mauro Carvalho Chehab | efc52a9 | 2008-12-16 22:04:56 -0300 | [diff] [blame] | 1491 | |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1492 | return 0; |
| 1493 | } |
| 1494 | |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1495 | static int radio_s_tuner(struct file *file, void *priv, |
Hans Verkuil | 2f73c7c | 2013-03-15 06:10:06 -0300 | [diff] [blame^] | 1496 | const struct v4l2_tuner *t) |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1497 | { |
| 1498 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; |
| 1499 | |
| 1500 | if (0 != t->index) |
| 1501 | return -EINVAL; |
| 1502 | |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1503 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1504 | |
| 1505 | return 0; |
| 1506 | } |
| 1507 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1508 | /* |
Mauro Carvalho Chehab | 3acf280 | 2005-11-08 21:38:27 -0800 | [diff] [blame] | 1509 | * em28xx_v4l2_open() |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1510 | * inits the device and starts isoc transfer |
| 1511 | */ |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 1512 | static int em28xx_v4l2_open(struct file *filp) |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1513 | { |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1514 | struct video_device *vdev = video_devdata(filp); |
| 1515 | struct em28xx *dev = video_drvdata(filp); |
| 1516 | enum v4l2_buf_type fh_type = 0; |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1517 | struct em28xx_fh *fh; |
Markus Rechberger | 9c75541 | 2005-11-08 21:37:52 -0800 | [diff] [blame] | 1518 | |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1519 | switch (vdev->vfl_type) { |
| 1520 | case VFL_TYPE_GRABBER: |
| 1521 | fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1522 | break; |
| 1523 | case VFL_TYPE_VBI: |
| 1524 | fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 1525 | break; |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1526 | } |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1527 | |
Laurent Pinchart | 50462eb | 2009-12-10 11:47:13 -0200 | [diff] [blame] | 1528 | em28xx_videodbg("open dev=%s type=%s users=%d\n", |
| 1529 | video_device_node_name(vdev), v4l2_type_names[fh_type], |
| 1530 | dev->users); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1531 | |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1532 | |
Hans Verkuil | 876cb14 | 2012-06-23 08:12:47 -0300 | [diff] [blame] | 1533 | if (mutex_lock_interruptible(&dev->lock)) |
| 1534 | return -ERESTARTSYS; |
Mauro Carvalho Chehab | c67ec53 | 2008-04-17 21:48:00 -0300 | [diff] [blame] | 1535 | fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1536 | if (!fh) { |
| 1537 | em28xx_errdev("em28xx-video.c: Out of memory?!\n"); |
Hans Verkuil | 876cb14 | 2012-06-23 08:12:47 -0300 | [diff] [blame] | 1538 | mutex_unlock(&dev->lock); |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1539 | return -ENOMEM; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1540 | } |
Hans Verkuil | 69a6164 | 2012-09-07 05:52:40 -0300 | [diff] [blame] | 1541 | v4l2_fh_init(&fh->fh, vdev); |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1542 | fh->dev = dev; |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 1543 | fh->type = fh_type; |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1544 | filp->private_data = fh; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1545 | |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 1546 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
Mauro Carvalho Chehab | c67ec53 | 2008-04-17 21:48:00 -0300 | [diff] [blame] | 1547 | em28xx_set_mode(dev, EM28XX_ANALOG_MODE); |
Mauro Carvalho Chehab | e5589be | 2006-01-23 17:11:08 -0200 | [diff] [blame] | 1548 | em28xx_resolution_set(dev); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1549 | |
Mauro Carvalho Chehab | c67ec53 | 2008-04-17 21:48:00 -0300 | [diff] [blame] | 1550 | /* Needed, since GPIO might have disabled power of |
| 1551 | some i2c device |
| 1552 | */ |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1553 | em28xx_wake_i2c(dev); |
Mauro Carvalho Chehab | c67ec53 | 2008-04-17 21:48:00 -0300 | [diff] [blame] | 1554 | |
Mauro Carvalho Chehab | e5589be | 2006-01-23 17:11:08 -0200 | [diff] [blame] | 1555 | } |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1556 | |
| 1557 | if (vdev->vfl_type == VFL_TYPE_RADIO) { |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1558 | em28xx_videodbg("video_open: setting radio device\n"); |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1559 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1560 | } |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1561 | |
| 1562 | dev->users++; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1563 | |
Hans Verkuil | 876cb14 | 2012-06-23 08:12:47 -0300 | [diff] [blame] | 1564 | mutex_unlock(&dev->lock); |
Hans Verkuil | 69a6164 | 2012-09-07 05:52:40 -0300 | [diff] [blame] | 1565 | v4l2_fh_add(&fh->fh); |
Mauro Carvalho Chehab | c67ec53 | 2008-04-17 21:48:00 -0300 | [diff] [blame] | 1566 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1567 | return 0; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1568 | } |
| 1569 | |
| 1570 | /* |
Mauro Carvalho Chehab | 3acf280 | 2005-11-08 21:38:27 -0800 | [diff] [blame] | 1571 | * em28xx_realease_resources() |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1572 | * unregisters the v4l2,i2c and usb devices |
| 1573 | * called when the device gets disconected or at module unload |
| 1574 | */ |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1575 | void em28xx_release_analog_resources(struct em28xx *dev) |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1576 | { |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1577 | |
Mauro Carvalho Chehab | e5589be | 2006-01-23 17:11:08 -0200 | [diff] [blame] | 1578 | /*FIXME: I2C IR should be disconnected */ |
| 1579 | |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1580 | if (dev->radio_dev) { |
Laurent Pinchart | f0813b4 | 2009-11-27 13:57:30 -0300 | [diff] [blame] | 1581 | if (video_is_registered(dev->radio_dev)) |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1582 | video_unregister_device(dev->radio_dev); |
| 1583 | else |
| 1584 | video_device_release(dev->radio_dev); |
| 1585 | dev->radio_dev = NULL; |
| 1586 | } |
| 1587 | if (dev->vbi_dev) { |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 1588 | em28xx_info("V4L2 device %s deregistered\n", |
| 1589 | video_device_node_name(dev->vbi_dev)); |
Laurent Pinchart | f0813b4 | 2009-11-27 13:57:30 -0300 | [diff] [blame] | 1590 | if (video_is_registered(dev->vbi_dev)) |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1591 | video_unregister_device(dev->vbi_dev); |
| 1592 | else |
| 1593 | video_device_release(dev->vbi_dev); |
| 1594 | dev->vbi_dev = NULL; |
| 1595 | } |
| 1596 | if (dev->vdev) { |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 1597 | em28xx_info("V4L2 device %s deregistered\n", |
| 1598 | video_device_node_name(dev->vdev)); |
Laurent Pinchart | f0813b4 | 2009-11-27 13:57:30 -0300 | [diff] [blame] | 1599 | if (video_is_registered(dev->vdev)) |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1600 | video_unregister_device(dev->vdev); |
| 1601 | else |
| 1602 | video_device_release(dev->vdev); |
| 1603 | dev->vdev = NULL; |
| 1604 | } |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1605 | } |
| 1606 | |
| 1607 | /* |
Mauro Carvalho Chehab | 3acf280 | 2005-11-08 21:38:27 -0800 | [diff] [blame] | 1608 | * em28xx_v4l2_close() |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 1609 | * stops streaming and deallocates all resources allocated by the v4l2 |
| 1610 | * calls and ioctls |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1611 | */ |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 1612 | static int em28xx_v4l2_close(struct file *filp) |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1613 | { |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1614 | struct em28xx_fh *fh = filp->private_data; |
| 1615 | struct em28xx *dev = fh->dev; |
| 1616 | int errCode; |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1617 | |
Mauro Carvalho Chehab | eac9435 | 2005-11-08 21:38:43 -0800 | [diff] [blame] | 1618 | em28xx_videodbg("users=%d\n", dev->users); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1619 | |
Hans Verkuil | 876cb14 | 2012-06-23 08:12:47 -0300 | [diff] [blame] | 1620 | mutex_lock(&dev->lock); |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1621 | vb2_fop_release(filp); |
Devin Heitmueller | 8c873d3 | 2009-09-03 00:23:27 -0300 | [diff] [blame] | 1622 | |
Devin Heitmueller | e3ba4d3 | 2009-09-15 00:18:06 -0300 | [diff] [blame] | 1623 | if (dev->users == 1) { |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1624 | /* the device is already disconnect, |
| 1625 | free the remaining resources */ |
Frank Schaefer | 2665c29 | 2012-12-27 19:02:43 -0300 | [diff] [blame] | 1626 | if (dev->disconnected) { |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1627 | em28xx_release_resources(dev); |
Frank Schaefer | 0cf544a | 2012-11-08 14:11:49 -0300 | [diff] [blame] | 1628 | kfree(dev->alt_max_pkt_size_isoc); |
Dan Carpenter | e36c92f | 2012-08-14 02:58:15 -0300 | [diff] [blame] | 1629 | mutex_unlock(&dev->lock); |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1630 | kfree(dev); |
| 1631 | return 0; |
| 1632 | } |
| 1633 | |
Mauro Carvalho Chehab | eb6c963 | 2008-12-05 10:39:12 -0300 | [diff] [blame] | 1634 | /* Save some power by putting tuner to sleep */ |
Laurent Pinchart | 622b828 | 2009-10-05 10:48:17 -0300 | [diff] [blame] | 1635 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
Mauro Carvalho Chehab | eb6c963 | 2008-12-05 10:39:12 -0300 | [diff] [blame] | 1636 | |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 1637 | /* do this before setting alternate! */ |
Mauro Carvalho Chehab | 2fe3e2e | 2008-11-27 09:10:40 -0300 | [diff] [blame] | 1638 | em28xx_set_mode(dev, EM28XX_SUSPEND); |
Aidan Thornton | d7aa802 | 2008-04-13 14:38:47 -0300 | [diff] [blame] | 1639 | |
Mauro Carvalho Chehab | a3a048c | 2007-11-10 22:21:01 -0300 | [diff] [blame] | 1640 | /* set alternate 0 */ |
| 1641 | dev->alt = 0; |
| 1642 | em28xx_videodbg("setting alternate 0\n"); |
| 1643 | errCode = usb_set_interface(dev->udev, 0, 0); |
| 1644 | if (errCode < 0) { |
| 1645 | em28xx_errdev("cannot change alternate number to " |
| 1646 | "0 (error=%i)\n", errCode); |
| 1647 | } |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1648 | } |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1649 | |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1650 | dev->users--; |
Hans Verkuil | 876cb14 | 2012-06-23 08:12:47 -0300 | [diff] [blame] | 1651 | mutex_unlock(&dev->lock); |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1652 | return 0; |
| 1653 | } |
| 1654 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 1655 | static const struct v4l2_file_operations em28xx_v4l_fops = { |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1656 | .owner = THIS_MODULE, |
| 1657 | .open = em28xx_v4l2_open, |
| 1658 | .release = em28xx_v4l2_close, |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1659 | .read = vb2_fop_read, |
| 1660 | .poll = vb2_fop_poll, |
| 1661 | .mmap = vb2_fop_mmap, |
Hans Verkuil | 0499a5a | 2010-09-26 07:34:45 -0300 | [diff] [blame] | 1662 | .unlocked_ioctl = video_ioctl2, |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1663 | }; |
| 1664 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1665 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1666 | .vidioc_querycap = vidioc_querycap, |
Hans Verkuil | 78b526a | 2008-05-28 12:16:41 -0300 | [diff] [blame] | 1667 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 1668 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 1669 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 1670 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
Devin Heitmueller | 28abf083 | 2009-09-01 01:54:54 -0300 | [diff] [blame] | 1671 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
Hans Verkuil | 2a221d3 | 2012-09-07 08:51:32 -0300 | [diff] [blame] | 1672 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
Frank Schaefer | aab3461 | 2013-02-07 13:39:16 -0300 | [diff] [blame] | 1673 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
Mauro Carvalho Chehab | 1c5c506 | 2011-10-16 13:52:43 -0200 | [diff] [blame] | 1674 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1675 | .vidioc_g_audio = vidioc_g_audio, |
| 1676 | .vidioc_s_audio = vidioc_s_audio, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1677 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1678 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
| 1679 | .vidioc_create_bufs = vb2_ioctl_create_bufs, |
| 1680 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, |
| 1681 | .vidioc_querybuf = vb2_ioctl_querybuf, |
| 1682 | .vidioc_qbuf = vb2_ioctl_qbuf, |
| 1683 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
| 1684 | |
Devin Heitmueller | 19bf003 | 2009-09-11 00:40:18 -0300 | [diff] [blame] | 1685 | .vidioc_g_std = vidioc_g_std, |
Mauro Carvalho Chehab | d56ae6f | 2011-10-04 09:53:00 -0300 | [diff] [blame] | 1686 | .vidioc_querystd = vidioc_querystd, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1687 | .vidioc_s_std = vidioc_s_std, |
Mauro Carvalho Chehab | d96ecda | 2009-08-06 21:53:59 -0300 | [diff] [blame] | 1688 | .vidioc_g_parm = vidioc_g_parm, |
| 1689 | .vidioc_s_parm = vidioc_s_parm, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1690 | .vidioc_enum_input = vidioc_enum_input, |
| 1691 | .vidioc_g_input = vidioc_g_input, |
| 1692 | .vidioc_s_input = vidioc_s_input, |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1693 | .vidioc_streamon = vb2_ioctl_streamon, |
| 1694 | .vidioc_streamoff = vb2_ioctl_streamoff, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1695 | .vidioc_g_tuner = vidioc_g_tuner, |
| 1696 | .vidioc_s_tuner = vidioc_s_tuner, |
| 1697 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1698 | .vidioc_s_frequency = vidioc_s_frequency, |
Hans Verkuil | 50fdf40 | 2012-09-07 06:10:12 -0300 | [diff] [blame] | 1699 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| 1700 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Frank Schaefer | 35deba3 | 2013-02-07 13:39:19 -0300 | [diff] [blame] | 1701 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1702 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1703 | .vidioc_g_register = vidioc_g_register, |
| 1704 | .vidioc_s_register = vidioc_s_register, |
| 1705 | #endif |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1706 | }; |
| 1707 | |
| 1708 | static const struct video_device em28xx_video_template = { |
| 1709 | .fops = &em28xx_v4l_fops, |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1710 | .release = video_device_release_empty, |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1711 | .ioctl_ops = &video_ioctl_ops, |
| 1712 | |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1713 | .tvnorms = V4L2_STD_ALL, |
Mauro Carvalho Chehab | 195a4ef | 2007-11-11 13:17:17 -0300 | [diff] [blame] | 1714 | }; |
| 1715 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 1716 | static const struct v4l2_file_operations radio_fops = { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1717 | .owner = THIS_MODULE, |
| 1718 | .open = em28xx_v4l2_open, |
| 1719 | .release = em28xx_v4l2_close, |
Hans Verkuil | 8fd0bda | 2010-12-18 09:59:51 -0300 | [diff] [blame] | 1720 | .unlocked_ioctl = video_ioctl2, |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1721 | }; |
| 1722 | |
| 1723 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { |
Hans Verkuil | a9d79fe | 2012-09-06 07:31:04 -0300 | [diff] [blame] | 1724 | .vidioc_querycap = vidioc_querycap, |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1725 | .vidioc_g_tuner = radio_g_tuner, |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1726 | .vidioc_s_tuner = radio_s_tuner, |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1727 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1728 | .vidioc_s_frequency = vidioc_s_frequency, |
Hans Verkuil | 50fdf40 | 2012-09-07 06:10:12 -0300 | [diff] [blame] | 1729 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| 1730 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Frank Schaefer | fff459e | 2013-02-07 13:39:20 -0300 | [diff] [blame] | 1731 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
Mauro Carvalho Chehab | 1e7ad56 | 2008-02-06 09:00:41 -0300 | [diff] [blame] | 1732 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1733 | .vidioc_g_register = vidioc_g_register, |
| 1734 | .vidioc_s_register = vidioc_s_register, |
| 1735 | #endif |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1736 | }; |
| 1737 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1738 | static struct video_device em28xx_radio_template = { |
| 1739 | .name = "em28xx-radio", |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1740 | .fops = &radio_fops, |
| 1741 | .ioctl_ops = &radio_ioctl_ops, |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1742 | }; |
| 1743 | |
Douglas Schilling Landgraf | 6ea54d9 | 2008-04-17 21:41:10 -0300 | [diff] [blame] | 1744 | /******************************** usb interface ******************************/ |
akpm@osdl.org | a6c2ba2 | 2005-11-08 21:37:07 -0800 | [diff] [blame] | 1745 | |
Mauro Carvalho Chehab | 6d79468 | 2008-01-05 09:57:31 -0300 | [diff] [blame] | 1746 | |
Mauro Carvalho Chehab | 6d79468 | 2008-01-05 09:57:31 -0300 | [diff] [blame] | 1747 | |
Adrian Bunk | 532fe65 | 2008-01-28 22:10:48 -0300 | [diff] [blame] | 1748 | static struct video_device *em28xx_vdev_init(struct em28xx *dev, |
Nicola Soranzo | a1a6ee7 | 2009-02-10 23:28:24 -0300 | [diff] [blame] | 1749 | const struct video_device *template, |
| 1750 | const char *type_name) |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1751 | { |
| 1752 | struct video_device *vfd; |
| 1753 | |
| 1754 | vfd = video_device_alloc(); |
| 1755 | if (NULL == vfd) |
| 1756 | return NULL; |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1757 | |
| 1758 | *vfd = *template; |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1759 | vfd->v4l2_dev = &dev->v4l2_dev; |
Douglas Schilling Landgraf | f2cf250 | 2009-03-31 17:10:58 -0300 | [diff] [blame] | 1760 | vfd->debug = video_debug; |
Hans Verkuil | 0499a5a | 2010-09-26 07:34:45 -0300 | [diff] [blame] | 1761 | vfd->lock = &dev->lock; |
Hans Verkuil | 69a6164 | 2012-09-07 05:52:40 -0300 | [diff] [blame] | 1762 | set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1763 | if (dev->board.is_webcam) |
| 1764 | vfd->tvnorms = 0; |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1765 | |
| 1766 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", |
| 1767 | dev->name, type_name); |
| 1768 | |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1769 | video_set_drvdata(vfd, dev); |
Mauro Carvalho Chehab | 0be4375 | 2008-01-05 17:22:01 -0300 | [diff] [blame] | 1770 | return vfd; |
| 1771 | } |
| 1772 | |
Mauro Carvalho Chehab | 2e5ef2d | 2008-12-28 22:26:36 -0300 | [diff] [blame] | 1773 | int em28xx_register_analog_devices(struct em28xx *dev) |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1774 | { |
Hans Verkuil | 081b945 | 2012-09-07 05:43:59 -0300 | [diff] [blame] | 1775 | u8 val; |
Mauro Carvalho Chehab | 2e5ef2d | 2008-12-28 22:26:36 -0300 | [diff] [blame] | 1776 | int ret; |
Sascha Sommer | 1020d13 | 2012-01-08 16:54:28 -0300 | [diff] [blame] | 1777 | unsigned int maxw; |
Mauro Carvalho Chehab | 2e5ef2d | 2008-12-28 22:26:36 -0300 | [diff] [blame] | 1778 | |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 1779 | printk(KERN_INFO "%s: v4l2 driver version %s\n", |
| 1780 | dev->name, EM28XX_VERSION); |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1781 | |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1782 | /* set default norm */ |
Hans Verkuil | d8c95c0 | 2012-09-07 07:31:54 -0300 | [diff] [blame] | 1783 | dev->norm = V4L2_STD_PAL; |
Hans Verkuil | d5906dd | 2010-09-26 07:45:15 -0300 | [diff] [blame] | 1784 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1785 | dev->interlaced = EM28XX_INTERLACED_DEFAULT; |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1786 | |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1787 | /* Analog specific initialization */ |
| 1788 | dev->format = &format[0]; |
Sascha Sommer | 1020d13 | 2012-01-08 16:54:28 -0300 | [diff] [blame] | 1789 | |
| 1790 | maxw = norm_maxw(dev); |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1791 | /* MaxPacketSize for em2800 is too small to capture at full resolution |
| 1792 | * use half of maxw as the scaler can only scale to 50% */ |
| 1793 | if (dev->board.is_em2800) |
| 1794 | maxw /= 2; |
Sascha Sommer | 1020d13 | 2012-01-08 16:54:28 -0300 | [diff] [blame] | 1795 | |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 1796 | em28xx_set_video_format(dev, format[0].fourcc, |
Sascha Sommer | 1020d13 | 2012-01-08 16:54:28 -0300 | [diff] [blame] | 1797 | maxw, norm_maxh(dev)); |
Mauro Carvalho Chehab | ed5f143 | 2009-07-02 17:34:04 -0300 | [diff] [blame] | 1798 | |
Ezequiel GarcÃa | 96371fc | 2012-03-23 18:09:34 -0300 | [diff] [blame] | 1799 | video_mux(dev, 0); |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1800 | |
| 1801 | /* Audio defaults */ |
| 1802 | dev->mute = 1; |
| 1803 | dev->volume = 0x1f; |
| 1804 | |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1805 | /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ |
Nicola Soranzo | a1a6ee7 | 2009-02-10 23:28:24 -0300 | [diff] [blame] | 1806 | val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); |
| 1807 | em28xx_write_reg(dev, EM28XX_R0F_XCLK, |
| 1808 | (EM28XX_XCLK_AUDIO_UNMUTE | val)); |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1809 | |
| 1810 | em28xx_set_outfmt(dev); |
Mauro Carvalho Chehab | 24c3c41 | 2009-01-07 22:49:25 -0300 | [diff] [blame] | 1811 | em28xx_compression_disable(dev); |
Mauro Carvalho Chehab | 1a23f81 | 2008-12-28 22:18:14 -0300 | [diff] [blame] | 1812 | |
Frank Schaefer | 8f8b113a | 2013-02-15 14:38:32 -0300 | [diff] [blame] | 1813 | /* Add image controls */ |
| 1814 | /* NOTE: at this point, the subdevices are already registered, so bridge |
| 1815 | * controls are only added/enabled when no subdevice provides them */ |
| 1816 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_CONTRAST)) |
| 1817 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1818 | V4L2_CID_CONTRAST, |
| 1819 | 0, 0x1f, 1, CONTRAST_DEFAULT); |
| 1820 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BRIGHTNESS)) |
| 1821 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1822 | V4L2_CID_BRIGHTNESS, |
| 1823 | -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); |
| 1824 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SATURATION)) |
| 1825 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1826 | V4L2_CID_SATURATION, |
| 1827 | 0, 0x1f, 1, SATURATION_DEFAULT); |
| 1828 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BLUE_BALANCE)) |
| 1829 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1830 | V4L2_CID_BLUE_BALANCE, |
| 1831 | -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); |
| 1832 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_RED_BALANCE)) |
| 1833 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1834 | V4L2_CID_RED_BALANCE, |
| 1835 | -0x30, 0x30, 1, RED_BALANCE_DEFAULT); |
| 1836 | if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SHARPNESS)) |
| 1837 | v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops, |
| 1838 | V4L2_CID_SHARPNESS, |
| 1839 | 0, 0x0f, 1, SHARPNESS_DEFAULT); |
| 1840 | |
| 1841 | /* Reset image controls */ |
| 1842 | em28xx_colorlevels_set_default(dev); |
| 1843 | v4l2_ctrl_handler_setup(&dev->ctrl_handler); |
| 1844 | if (dev->ctrl_handler.error) |
| 1845 | return dev->ctrl_handler.error; |
| 1846 | |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1847 | /* allocate and fill video video_device struct */ |
| 1848 | dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); |
| 1849 | if (!dev->vdev) { |
| 1850 | em28xx_errdev("cannot allocate video_device.\n"); |
| 1851 | return -ENODEV; |
| 1852 | } |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1853 | dev->vdev->queue = &dev->vb_vidq; |
| 1854 | dev->vdev->queue->lock = &dev->vb_queue_lock; |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1855 | |
Frank Schaefer | 6e46dab | 2013-02-07 13:39:09 -0300 | [diff] [blame] | 1856 | /* disable inapplicable ioctls */ |
| 1857 | if (dev->board.is_webcam) { |
| 1858 | v4l2_disable_ioctl(dev->vdev, VIDIOC_QUERYSTD); |
| 1859 | v4l2_disable_ioctl(dev->vdev, VIDIOC_G_STD); |
| 1860 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_STD); |
Frank Schaefer | 3bc85cc | 2013-02-07 13:39:12 -0300 | [diff] [blame] | 1861 | } else { |
| 1862 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM); |
Frank Schaefer | 6e46dab | 2013-02-07 13:39:09 -0300 | [diff] [blame] | 1863 | } |
Frank Schaefer | 66df67b | 2013-02-07 13:39:10 -0300 | [diff] [blame] | 1864 | if (dev->tuner_type == TUNER_ABSENT) { |
| 1865 | v4l2_disable_ioctl(dev->vdev, VIDIOC_G_TUNER); |
| 1866 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_TUNER); |
| 1867 | v4l2_disable_ioctl(dev->vdev, VIDIOC_G_FREQUENCY); |
| 1868 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_FREQUENCY); |
| 1869 | } |
Frank Schaefer | c2dcef8 | 2013-02-07 13:39:11 -0300 | [diff] [blame] | 1870 | if (!dev->audio_mode.has_audio) { |
| 1871 | v4l2_disable_ioctl(dev->vdev, VIDIOC_G_AUDIO); |
| 1872 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_AUDIO); |
| 1873 | } |
Frank Schaefer | 6e46dab | 2013-02-07 13:39:09 -0300 | [diff] [blame] | 1874 | |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1875 | /* register v4l2 video video_device */ |
| 1876 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, |
| 1877 | video_nr[dev->devno]); |
| 1878 | if (ret) { |
| 1879 | em28xx_errdev("unable to register video device (error=%i).\n", |
| 1880 | ret); |
| 1881 | return ret; |
| 1882 | } |
| 1883 | |
| 1884 | /* Allocate and fill vbi video_device struct */ |
Devin Heitmueller | 290c0cf | 2009-09-11 00:01:06 -0300 | [diff] [blame] | 1885 | if (em28xx_vbi_supported(dev) == 1) { |
| 1886 | dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, |
| 1887 | "vbi"); |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1888 | |
Devin Heitmueller | d3829fa | 2013-01-04 16:16:24 -0300 | [diff] [blame] | 1889 | dev->vbi_dev->queue = &dev->vb_vbiq; |
| 1890 | dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock; |
| 1891 | |
Frank Schaefer | 66df67b | 2013-02-07 13:39:10 -0300 | [diff] [blame] | 1892 | /* disable inapplicable ioctls */ |
Frank Schaefer | 83c8bcc | 2013-02-07 13:39:13 -0300 | [diff] [blame] | 1893 | v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM); |
Frank Schaefer | 66df67b | 2013-02-07 13:39:10 -0300 | [diff] [blame] | 1894 | if (dev->tuner_type == TUNER_ABSENT) { |
| 1895 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_TUNER); |
| 1896 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_TUNER); |
| 1897 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_FREQUENCY); |
| 1898 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_FREQUENCY); |
| 1899 | } |
Frank Schaefer | c2dcef8 | 2013-02-07 13:39:11 -0300 | [diff] [blame] | 1900 | if (!dev->audio_mode.has_audio) { |
| 1901 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_AUDIO); |
| 1902 | v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_AUDIO); |
| 1903 | } |
Frank Schaefer | 66df67b | 2013-02-07 13:39:10 -0300 | [diff] [blame] | 1904 | |
Devin Heitmueller | 290c0cf | 2009-09-11 00:01:06 -0300 | [diff] [blame] | 1905 | /* register v4l2 vbi video_device */ |
| 1906 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, |
| 1907 | vbi_nr[dev->devno]); |
| 1908 | if (ret < 0) { |
| 1909 | em28xx_errdev("unable to register vbi device\n"); |
| 1910 | return ret; |
| 1911 | } |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1912 | } |
| 1913 | |
| 1914 | if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { |
Nicola Soranzo | a1a6ee7 | 2009-02-10 23:28:24 -0300 | [diff] [blame] | 1915 | dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, |
| 1916 | "radio"); |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1917 | if (!dev->radio_dev) { |
| 1918 | em28xx_errdev("cannot allocate video_device.\n"); |
| 1919 | return -ENODEV; |
| 1920 | } |
| 1921 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
| 1922 | radio_nr[dev->devno]); |
| 1923 | if (ret < 0) { |
| 1924 | em28xx_errdev("can't register radio device\n"); |
| 1925 | return ret; |
| 1926 | } |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 1927 | em28xx_info("Registered radio device as %s\n", |
| 1928 | video_device_node_name(dev->radio_dev)); |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1929 | } |
| 1930 | |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 1931 | em28xx_info("V4L2 video device registered as %s\n", |
| 1932 | video_device_node_name(dev->vdev)); |
Devin Heitmueller | 290c0cf | 2009-09-11 00:01:06 -0300 | [diff] [blame] | 1933 | |
| 1934 | if (dev->vbi_dev) |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 1935 | em28xx_info("V4L2 VBI device registered as %s\n", |
| 1936 | video_device_node_name(dev->vbi_dev)); |
Mauro Carvalho Chehab | 818a557 | 2008-11-20 10:30:26 -0300 | [diff] [blame] | 1937 | |
| 1938 | return 0; |
| 1939 | } |