10c0d06caSMauro Carvalho Chehab /* 20c0d06caSMauro Carvalho Chehab em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB 30c0d06caSMauro Carvalho Chehab video capture devices 40c0d06caSMauro Carvalho Chehab 50c0d06caSMauro Carvalho Chehab Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> 60c0d06caSMauro Carvalho Chehab Markus Rechberger <mrechberger@gmail.com> 70c0d06caSMauro Carvalho Chehab Mauro Carvalho Chehab <mchehab@infradead.org> 80c0d06caSMauro Carvalho Chehab Sascha Sommer <saschasommer@freenet.de> 90fa4a402SFrank Schaefer Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 100c0d06caSMauro Carvalho Chehab 110c0d06caSMauro Carvalho Chehab Some parts based on SN9C10x PC Camera Controllers GPL driver made 120c0d06caSMauro Carvalho Chehab by Luca Risolia <luca.risolia@studio.unibo.it> 130c0d06caSMauro Carvalho Chehab 140c0d06caSMauro Carvalho Chehab This program is free software; you can redistribute it and/or modify 150c0d06caSMauro Carvalho Chehab it under the terms of the GNU General Public License as published by 160c0d06caSMauro Carvalho Chehab the Free Software Foundation; either version 2 of the License, or 170c0d06caSMauro Carvalho Chehab (at your option) any later version. 180c0d06caSMauro Carvalho Chehab 190c0d06caSMauro Carvalho Chehab This program is distributed in the hope that it will be useful, 200c0d06caSMauro Carvalho Chehab but WITHOUT ANY WARRANTY; without even the implied warranty of 210c0d06caSMauro Carvalho Chehab MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 220c0d06caSMauro Carvalho Chehab GNU General Public License for more details. 230c0d06caSMauro Carvalho Chehab 240c0d06caSMauro Carvalho Chehab You should have received a copy of the GNU General Public License 250c0d06caSMauro Carvalho Chehab along with this program; if not, write to the Free Software 260c0d06caSMauro Carvalho Chehab Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 270c0d06caSMauro Carvalho Chehab */ 280c0d06caSMauro Carvalho Chehab 290c0d06caSMauro Carvalho Chehab #include <linux/init.h> 300c0d06caSMauro Carvalho Chehab #include <linux/list.h> 310c0d06caSMauro Carvalho Chehab #include <linux/module.h> 320c0d06caSMauro Carvalho Chehab #include <linux/kernel.h> 330c0d06caSMauro Carvalho Chehab #include <linux/bitmap.h> 340c0d06caSMauro Carvalho Chehab #include <linux/usb.h> 350c0d06caSMauro Carvalho Chehab #include <linux/i2c.h> 360c0d06caSMauro Carvalho Chehab #include <linux/mm.h> 370c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 380c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 390c0d06caSMauro Carvalho Chehab 400c0d06caSMauro Carvalho Chehab #include "em28xx.h" 410c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 420c0d06caSMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 430c0d06caSMauro Carvalho Chehab #include <media/v4l2-chip-ident.h> 440c0d06caSMauro Carvalho Chehab #include <media/msp3400.h> 450c0d06caSMauro Carvalho Chehab #include <media/tuner.h> 460c0d06caSMauro Carvalho Chehab 470c0d06caSMauro Carvalho Chehab #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ 480c0d06caSMauro Carvalho Chehab "Markus Rechberger <mrechberger@gmail.com>, " \ 490c0d06caSMauro Carvalho Chehab "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ 500c0d06caSMauro Carvalho Chehab "Sascha Sommer <saschasommer@freenet.de>" 510c0d06caSMauro Carvalho Chehab 520c0d06caSMauro Carvalho Chehab #define DRIVER_DESC "Empia em28xx based USB video device driver" 530c0d06caSMauro Carvalho Chehab 540c0d06caSMauro Carvalho Chehab #define EM28XX_VERSION "0.1.3" 550c0d06caSMauro Carvalho Chehab 560c0d06caSMauro Carvalho Chehab #define em28xx_videodbg(fmt, arg...) do {\ 570c0d06caSMauro Carvalho Chehab if (video_debug) \ 580c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 590c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); } while (0) 600c0d06caSMauro Carvalho Chehab 610c0d06caSMauro Carvalho Chehab static unsigned int isoc_debug; 620c0d06caSMauro Carvalho Chehab module_param(isoc_debug, int, 0644); 630c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 640c0d06caSMauro Carvalho Chehab 650c0d06caSMauro Carvalho Chehab #define em28xx_isocdbg(fmt, arg...) \ 660c0d06caSMauro Carvalho Chehab do {\ 670c0d06caSMauro Carvalho Chehab if (isoc_debug) { \ 680c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 690c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); \ 700c0d06caSMauro Carvalho Chehab } \ 710c0d06caSMauro Carvalho Chehab } while (0) 720c0d06caSMauro Carvalho Chehab 730c0d06caSMauro Carvalho Chehab MODULE_AUTHOR(DRIVER_AUTHOR); 740c0d06caSMauro Carvalho Chehab MODULE_DESCRIPTION(DRIVER_DESC); 750c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 760c0d06caSMauro Carvalho Chehab MODULE_VERSION(EM28XX_VERSION); 770c0d06caSMauro Carvalho Chehab 780c0d06caSMauro Carvalho Chehab static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 790c0d06caSMauro Carvalho Chehab static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 800c0d06caSMauro Carvalho Chehab static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 810c0d06caSMauro Carvalho Chehab 820c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 830c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 840c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 850c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 860c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 870c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 880c0d06caSMauro Carvalho Chehab 890c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 900c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 910c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 920c0d06caSMauro Carvalho Chehab 930c0d06caSMauro Carvalho Chehab /* supported video standards */ 940c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 950c0d06caSMauro Carvalho Chehab { 960c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 970c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 980c0d06caSMauro Carvalho Chehab .depth = 16, 990c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 1000c0d06caSMauro Carvalho Chehab }, { 1010c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1020c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1030c0d06caSMauro Carvalho Chehab .depth = 16, 1040c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1050c0d06caSMauro Carvalho Chehab }, { 1060c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1070c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1080c0d06caSMauro Carvalho Chehab .depth = 8, 1090c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1100c0d06caSMauro Carvalho Chehab }, { 1110c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1120c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1130c0d06caSMauro Carvalho Chehab .depth = 8, 1140c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1150c0d06caSMauro Carvalho Chehab }, { 1160c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1170c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1180c0d06caSMauro Carvalho Chehab .depth = 8, 1190c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1200c0d06caSMauro Carvalho Chehab }, { 1210c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1220c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1230c0d06caSMauro Carvalho Chehab .depth = 12, 1240c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1250c0d06caSMauro Carvalho Chehab }, 1260c0d06caSMauro Carvalho Chehab }; 1270c0d06caSMauro Carvalho Chehab 1280c0d06caSMauro Carvalho Chehab /* supported controls */ 1290c0d06caSMauro Carvalho Chehab /* Common to all boards */ 1300c0d06caSMauro Carvalho Chehab static struct v4l2_queryctrl ac97_qctrl[] = { 1310c0d06caSMauro Carvalho Chehab { 1320c0d06caSMauro Carvalho Chehab .id = V4L2_CID_AUDIO_VOLUME, 1330c0d06caSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 1340c0d06caSMauro Carvalho Chehab .name = "Volume", 1350c0d06caSMauro Carvalho Chehab .minimum = 0x0, 1360c0d06caSMauro Carvalho Chehab .maximum = 0x1f, 1370c0d06caSMauro Carvalho Chehab .step = 0x1, 1380c0d06caSMauro Carvalho Chehab .default_value = 0x1f, 1390c0d06caSMauro Carvalho Chehab .flags = V4L2_CTRL_FLAG_SLIDER, 1400c0d06caSMauro Carvalho Chehab }, { 1410c0d06caSMauro Carvalho Chehab .id = V4L2_CID_AUDIO_MUTE, 1420c0d06caSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 1430c0d06caSMauro Carvalho Chehab .name = "Mute", 1440c0d06caSMauro Carvalho Chehab .minimum = 0, 1450c0d06caSMauro Carvalho Chehab .maximum = 1, 1460c0d06caSMauro Carvalho Chehab .step = 1, 1470c0d06caSMauro Carvalho Chehab .default_value = 1, 1480c0d06caSMauro Carvalho Chehab .flags = 0, 1490c0d06caSMauro Carvalho Chehab } 1500c0d06caSMauro Carvalho Chehab }; 1510c0d06caSMauro Carvalho Chehab 1520c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 1530c0d06caSMauro Carvalho Chehab DMA and thread functions 1540c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 1550c0d06caSMauro Carvalho Chehab 1560c0d06caSMauro Carvalho Chehab /* 157948a49aaSFrank Schaefer * Finish the current buffer 1580c0d06caSMauro Carvalho Chehab */ 159948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 1600c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 1610c0d06caSMauro Carvalho Chehab { 1620c0d06caSMauro Carvalho Chehab em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); 1630c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_DONE; 1640c0d06caSMauro Carvalho Chehab buf->vb.field_count++; 1658e6057b5SSakari Ailus v4l2_get_timestamp(&buf->vb.ts); 1660c0d06caSMauro Carvalho Chehab list_del(&buf->vb.queue); 1670c0d06caSMauro Carvalho Chehab wake_up(&buf->vb.done); 1680c0d06caSMauro Carvalho Chehab } 1690c0d06caSMauro Carvalho Chehab 1700c0d06caSMauro Carvalho Chehab /* 1710c0d06caSMauro Carvalho Chehab * Identify the buffer header type and properly handles 1720c0d06caSMauro Carvalho Chehab */ 1730c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 1740c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 1750c0d06caSMauro Carvalho Chehab unsigned char *p, 1764078d625SFrank Schaefer unsigned long len) 1770c0d06caSMauro Carvalho Chehab { 1780c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 1790c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 1800c0d06caSMauro Carvalho Chehab int bytesperline = dev->width << 1; 1814078d625SFrank Schaefer unsigned char *outp = buf->vb_buf; 1820c0d06caSMauro Carvalho Chehab 1838732533bSFrank Schaefer if (buf->pos + len > buf->vb.size) 1848732533bSFrank Schaefer len = buf->vb.size - buf->pos; 1850c0d06caSMauro Carvalho Chehab 1860c0d06caSMauro Carvalho Chehab startread = p; 1870c0d06caSMauro Carvalho Chehab remain = len; 1880c0d06caSMauro Carvalho Chehab 189c02ec71bSFrank Schaefer if (dev->progressive || buf->top_field) 1900c0d06caSMauro Carvalho Chehab fieldstart = outp; 191c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 1920c0d06caSMauro Carvalho Chehab fieldstart = outp + bytesperline; 1930c0d06caSMauro Carvalho Chehab 1948732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 1958732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 1960c0d06caSMauro Carvalho Chehab 1970c0d06caSMauro Carvalho Chehab if (dev->progressive) 1980c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 1990c0d06caSMauro Carvalho Chehab else 2000c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 2010c0d06caSMauro Carvalho Chehab 2020c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 2030c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 2040c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 2050c0d06caSMauro Carvalho Chehab 2060c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { 2070c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", 2080c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2090c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2100c0d06caSMauro Carvalho Chehab remain = (char *)outp + buf->vb.size - (char *)startwrite; 2110c0d06caSMauro Carvalho Chehab lencopy = remain; 2120c0d06caSMauro Carvalho Chehab } 2130c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2140c0d06caSMauro Carvalho Chehab return; 2150c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2160c0d06caSMauro Carvalho Chehab 2170c0d06caSMauro Carvalho Chehab remain -= lencopy; 2180c0d06caSMauro Carvalho Chehab 2190c0d06caSMauro Carvalho Chehab while (remain > 0) { 220c02ec71bSFrank Schaefer if (dev->progressive) 221c02ec71bSFrank Schaefer startwrite += lencopy; 222c02ec71bSFrank Schaefer else 2230c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 2240c0d06caSMauro Carvalho Chehab startread += lencopy; 2250c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 2260c0d06caSMauro Carvalho Chehab lencopy = remain; 2270c0d06caSMauro Carvalho Chehab else 2280c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 2290c0d06caSMauro Carvalho Chehab 2300c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + 2310c0d06caSMauro Carvalho Chehab buf->vb.size) { 2320c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end" 2330c0d06caSMauro Carvalho Chehab "(2)\n", 2340c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2350c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2360c0d06caSMauro Carvalho Chehab lencopy = remain = (char *)outp + buf->vb.size - 2370c0d06caSMauro Carvalho Chehab (char *)startwrite; 2380c0d06caSMauro Carvalho Chehab } 2390c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2400c0d06caSMauro Carvalho Chehab break; 2410c0d06caSMauro Carvalho Chehab 2420c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2430c0d06caSMauro Carvalho Chehab 2440c0d06caSMauro Carvalho Chehab remain -= lencopy; 2450c0d06caSMauro Carvalho Chehab } 2460c0d06caSMauro Carvalho Chehab 2478732533bSFrank Schaefer buf->pos += len; 2480c0d06caSMauro Carvalho Chehab } 2490c0d06caSMauro Carvalho Chehab 2500c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 2510c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 2520c0d06caSMauro Carvalho Chehab unsigned char *p, 2534078d625SFrank Schaefer unsigned long len) 2540c0d06caSMauro Carvalho Chehab { 2550c0d06caSMauro Carvalho Chehab void *startwrite, *startread; 2560c0d06caSMauro Carvalho Chehab int offset; 2570c0d06caSMauro Carvalho Chehab int bytesperline; 2584078d625SFrank Schaefer unsigned char *outp; 2590c0d06caSMauro Carvalho Chehab 2600c0d06caSMauro Carvalho Chehab if (dev == NULL) { 2610c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dev is null\n"); 2620c0d06caSMauro Carvalho Chehab return; 2630c0d06caSMauro Carvalho Chehab } 2640c0d06caSMauro Carvalho Chehab bytesperline = dev->vbi_width; 2650c0d06caSMauro Carvalho Chehab 2660c0d06caSMauro Carvalho Chehab if (buf == NULL) { 2670c0d06caSMauro Carvalho Chehab return; 2680c0d06caSMauro Carvalho Chehab } 2690c0d06caSMauro Carvalho Chehab if (p == NULL) { 2700c0d06caSMauro Carvalho Chehab em28xx_isocdbg("p is null\n"); 2710c0d06caSMauro Carvalho Chehab return; 2720c0d06caSMauro Carvalho Chehab } 2734078d625SFrank Schaefer outp = buf->vb_buf; 2740c0d06caSMauro Carvalho Chehab if (outp == NULL) { 2750c0d06caSMauro Carvalho Chehab em28xx_isocdbg("outp is null\n"); 2760c0d06caSMauro Carvalho Chehab return; 2770c0d06caSMauro Carvalho Chehab } 2780c0d06caSMauro Carvalho Chehab 2798732533bSFrank Schaefer if (buf->pos + len > buf->vb.size) 2808732533bSFrank Schaefer len = buf->vb.size - buf->pos; 2810c0d06caSMauro Carvalho Chehab 2820c0d06caSMauro Carvalho Chehab startread = p; 2830c0d06caSMauro Carvalho Chehab 2848732533bSFrank Schaefer startwrite = outp + buf->pos; 2858732533bSFrank Schaefer offset = buf->pos; 2860c0d06caSMauro Carvalho Chehab 2870c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 2880c0d06caSMauro Carvalho Chehab if (buf->top_field == 0) { 2890c0d06caSMauro Carvalho Chehab startwrite += bytesperline * dev->vbi_height; 2900c0d06caSMauro Carvalho Chehab offset += bytesperline * dev->vbi_height; 2910c0d06caSMauro Carvalho Chehab } 2920c0d06caSMauro Carvalho Chehab 2930c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, len); 2948732533bSFrank Schaefer buf->pos += len; 2950c0d06caSMauro Carvalho Chehab } 2960c0d06caSMauro Carvalho Chehab 2970c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 2980c0d06caSMauro Carvalho Chehab int packet, int status) 2990c0d06caSMauro Carvalho Chehab { 3000c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 3010c0d06caSMauro Carvalho Chehab 3020c0d06caSMauro Carvalho Chehab switch (status) { 3030c0d06caSMauro Carvalho Chehab case -ENOENT: 3040c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 3050c0d06caSMauro Carvalho Chehab break; 3060c0d06caSMauro Carvalho Chehab case -ECONNRESET: 3070c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 3080c0d06caSMauro Carvalho Chehab break; 3090c0d06caSMauro Carvalho Chehab case -ENOSR: 3100c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 3110c0d06caSMauro Carvalho Chehab break; 3120c0d06caSMauro Carvalho Chehab case -EPIPE: 3130c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 3140c0d06caSMauro Carvalho Chehab break; 3150c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 3160c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 3170c0d06caSMauro Carvalho Chehab break; 3180c0d06caSMauro Carvalho Chehab case -EPROTO: 3190c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 3200c0d06caSMauro Carvalho Chehab break; 3210c0d06caSMauro Carvalho Chehab case -EILSEQ: 3220c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 3230c0d06caSMauro Carvalho Chehab break; 3240c0d06caSMauro Carvalho Chehab case -ETIME: 3250c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 3260c0d06caSMauro Carvalho Chehab break; 3270c0d06caSMauro Carvalho Chehab } 3280c0d06caSMauro Carvalho Chehab if (packet < 0) { 3290c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 3300c0d06caSMauro Carvalho Chehab } else { 3310c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 3320c0d06caSMauro Carvalho Chehab packet, status, errmsg); 3330c0d06caSMauro Carvalho Chehab } 3340c0d06caSMauro Carvalho Chehab } 3350c0d06caSMauro Carvalho Chehab 3360c0d06caSMauro Carvalho Chehab /* 33724a6d849SFrank Schaefer * get the next available buffer from dma queue 3380c0d06caSMauro Carvalho Chehab */ 33924a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 34024a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 3410c0d06caSMauro Carvalho Chehab { 34224a6d849SFrank Schaefer struct em28xx_buffer *buf; 3430c0d06caSMauro Carvalho Chehab char *outp; 3440c0d06caSMauro Carvalho Chehab 3450c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 3460c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 34724a6d849SFrank Schaefer return NULL; 3480c0d06caSMauro Carvalho Chehab } 3490c0d06caSMauro Carvalho Chehab 3500c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 35124a6d849SFrank Schaefer buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); 3520c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 35324a6d849SFrank Schaefer outp = videobuf_to_vmalloc(&buf->vb); 35424a6d849SFrank Schaefer memset(outp, 0, buf->vb.size); 3558732533bSFrank Schaefer buf->pos = 0; 3564078d625SFrank Schaefer buf->vb_buf = outp; 3570c0d06caSMauro Carvalho Chehab 35824a6d849SFrank Schaefer return buf; 3590c0d06caSMauro Carvalho Chehab } 3600c0d06caSMauro Carvalho Chehab 361e04c00d9SFrank Schaefer /* 362e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 363e04c00d9SFrank Schaefer */ 364e04c00d9SFrank Schaefer static struct em28xx_buffer * 365e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 366e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 367e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 368e04c00d9SFrank Schaefer { 369e04c00d9SFrank Schaefer if (dev->progressive || dev->top_field) { /* Brand new frame */ 370e04c00d9SFrank Schaefer if (buf != NULL) 371e04c00d9SFrank Schaefer finish_buffer(dev, buf); 372e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 373e04c00d9SFrank Schaefer } 374e04c00d9SFrank Schaefer if (buf != NULL) { 375e04c00d9SFrank Schaefer buf->top_field = dev->top_field; 376e04c00d9SFrank Schaefer buf->pos = 0; 377e04c00d9SFrank Schaefer } 378e04c00d9SFrank Schaefer 379e04c00d9SFrank Schaefer return buf; 380e04c00d9SFrank Schaefer } 381e04c00d9SFrank Schaefer 382960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 3830fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 3840c0d06caSMauro Carvalho Chehab { 3850c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, *vbi_buf; 3860c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 3870c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 38879ff8697SFrank Schaefer int xfer_bulk, num_packets, i, rc = 1; 3894601cc39SFrank Schaefer unsigned int actual_length, len = 0; 3904078d625SFrank Schaefer unsigned char *p; 3910c0d06caSMauro Carvalho Chehab 3920c0d06caSMauro Carvalho Chehab if (!dev) 3930c0d06caSMauro Carvalho Chehab return 0; 3940c0d06caSMauro Carvalho Chehab 3950c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 3960c0d06caSMauro Carvalho Chehab return 0; 3970c0d06caSMauro Carvalho Chehab 3981653cb0cSFrank Schaefer if (urb->status < 0) 3990c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 4000c0d06caSMauro Carvalho Chehab 4014601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 4024601cc39SFrank Schaefer 40374209dc0SFrank Schaefer buf = dev->usb_ctl.vid_buf; 40474209dc0SFrank Schaefer vbi_buf = dev->usb_ctl.vbi_buf; 4050c0d06caSMauro Carvalho Chehab 4064601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 4074601cc39SFrank Schaefer num_packets = 1; 4084601cc39SFrank Schaefer else /* isoc */ 4094601cc39SFrank Schaefer num_packets = urb->number_of_packets; 4100c0d06caSMauro Carvalho Chehab 4114601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 4124601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 4134601cc39SFrank Schaefer actual_length = urb->actual_length; 4144601cc39SFrank Schaefer 4154601cc39SFrank Schaefer p = urb->transfer_buffer; 4164601cc39SFrank Schaefer } else { /* isoc */ 4174601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 4184601cc39SFrank Schaefer print_err_status(dev, i, 4194601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 4200c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 4210c0d06caSMauro Carvalho Chehab continue; 4220c0d06caSMauro Carvalho Chehab } 4230c0d06caSMauro Carvalho Chehab 4244601cc39SFrank Schaefer actual_length = urb->iso_frame_desc[i].actual_length; 4254601cc39SFrank Schaefer if (actual_length > dev->max_pkt_size) { 4260c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 4270c0d06caSMauro Carvalho Chehab continue; 4280c0d06caSMauro Carvalho Chehab } 4290c0d06caSMauro Carvalho Chehab 4304601cc39SFrank Schaefer p = urb->transfer_buffer + 4314601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 4324601cc39SFrank Schaefer } 4334601cc39SFrank Schaefer 4343610f58bSFrank Schaefer if (actual_length == 0) { 4354601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 4364601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 4374601cc39SFrank Schaefer continue; 4384601cc39SFrank Schaefer } 4390c0d06caSMauro Carvalho Chehab 4400c0d06caSMauro Carvalho Chehab /* capture type 0 = vbi start 441a4837015SFrank Schaefer capture type 1 = vbi in progress 442a4837015SFrank Schaefer capture type 2 = video start 443a4837015SFrank Schaefer capture type 3 = video in progress */ 4443610f58bSFrank Schaefer len = actual_length; 4453610f58bSFrank Schaefer if (len >= 4) { 4463610f58bSFrank Schaefer /* NOTE: headers are always 4 bytes and 4473610f58bSFrank Schaefer * never split across packets */ 4480c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95) { 4490c0d06caSMauro Carvalho Chehab dev->capture_type = 0; 4500c0d06caSMauro Carvalho Chehab dev->vbi_read = 0; 4510c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI START HEADER!!!\n"); 4520455eebfSFrank Schaefer dev->top_field = !(p[2] & 1); 4530c0d06caSMauro Carvalho Chehab p += 4; 4543610f58bSFrank Schaefer len -= 4; 4550c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x88 && p[1] == 0x88 && 4560c0d06caSMauro Carvalho Chehab p[2] == 0x88 && p[3] == 0x88) { 4570c0d06caSMauro Carvalho Chehab /* continuation */ 4580c0d06caSMauro Carvalho Chehab p += 4; 4593610f58bSFrank Schaefer len -= 4; 4600c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x22 && p[1] == 0x5a) { 4610c0d06caSMauro Carvalho Chehab /* start video */ 462a4837015SFrank Schaefer dev->capture_type = 2; 4630455eebfSFrank Schaefer dev->top_field = !(p[2] & 1); 4640c0d06caSMauro Carvalho Chehab p += 4; 4653610f58bSFrank Schaefer len -= 4; 4660c0d06caSMauro Carvalho Chehab } 4673610f58bSFrank Schaefer } 4683610f58bSFrank Schaefer /* NOTE: with bulk transfers, intermediate data packets 4693610f58bSFrank Schaefer * have no continuation header */ 4700c0d06caSMauro Carvalho Chehab 4710c0d06caSMauro Carvalho Chehab if (dev->capture_type == 0) { 472e04c00d9SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 47324a6d849SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 474e04c00d9SFrank Schaefer dev->capture_type = 1; 4750c0d06caSMauro Carvalho Chehab } 4760c0d06caSMauro Carvalho Chehab 477a4837015SFrank Schaefer if (dev->capture_type == 1) { 478a4837015SFrank Schaefer int vbi_size = dev->vbi_width * dev->vbi_height; 479a4837015SFrank Schaefer int vbi_data_len = ((dev->vbi_read + len) > vbi_size) ? 480a4837015SFrank Schaefer (vbi_size - dev->vbi_read) : len; 481a4837015SFrank Schaefer 482a4837015SFrank Schaefer /* Copy VBI data */ 483a4837015SFrank Schaefer if (vbi_buf != NULL) 4844078d625SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, p, vbi_data_len); 485a4837015SFrank Schaefer dev->vbi_read += vbi_data_len; 486a4837015SFrank Schaefer 487a4837015SFrank Schaefer if (vbi_data_len < len) { 488a4837015SFrank Schaefer /* Continue with copying video data */ 489a4837015SFrank Schaefer dev->capture_type = 2; 4900c0d06caSMauro Carvalho Chehab p += vbi_data_len; 4910c0d06caSMauro Carvalho Chehab len -= vbi_data_len; 4920c0d06caSMauro Carvalho Chehab } 4930c0d06caSMauro Carvalho Chehab } 4940c0d06caSMauro Carvalho Chehab 495a4837015SFrank Schaefer if (dev->capture_type == 2) { 496e04c00d9SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 49724a6d849SFrank Schaefer dev->usb_ctl.vid_buf = buf; 498e04c00d9SFrank Schaefer dev->capture_type = 3; 4990c0d06caSMauro Carvalho Chehab } 5000c0d06caSMauro Carvalho Chehab 501a4837015SFrank Schaefer if (buf != NULL && dev->capture_type == 3 && len > 0) 5024078d625SFrank Schaefer em28xx_copy_video(dev, buf, p, len); 5030c0d06caSMauro Carvalho Chehab } 5040c0d06caSMauro Carvalho Chehab return rc; 5050c0d06caSMauro Carvalho Chehab } 5060c0d06caSMauro Carvalho Chehab 5070c0d06caSMauro Carvalho Chehab 5080c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 5090c0d06caSMauro Carvalho Chehab Videobuf operations 5100c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 5110c0d06caSMauro Carvalho Chehab 5120c0d06caSMauro Carvalho Chehab static int 5130c0d06caSMauro Carvalho Chehab buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) 5140c0d06caSMauro Carvalho Chehab { 5150c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5160c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5170c0d06caSMauro Carvalho Chehab struct v4l2_frequency f; 5180c0d06caSMauro Carvalho Chehab 5190c0d06caSMauro Carvalho Chehab *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) 5200c0d06caSMauro Carvalho Chehab >> 3; 5210c0d06caSMauro Carvalho Chehab 5220c0d06caSMauro Carvalho Chehab if (0 == *count) 5230c0d06caSMauro Carvalho Chehab *count = EM28XX_DEF_BUF; 5240c0d06caSMauro Carvalho Chehab 5250c0d06caSMauro Carvalho Chehab if (*count < EM28XX_MIN_BUF) 5260c0d06caSMauro Carvalho Chehab *count = EM28XX_MIN_BUF; 5270c0d06caSMauro Carvalho Chehab 5280c0d06caSMauro Carvalho Chehab /* Ask tuner to go to analog or radio mode */ 5290c0d06caSMauro Carvalho Chehab memset(&f, 0, sizeof(f)); 5300c0d06caSMauro Carvalho Chehab f.frequency = dev->ctl_freq; 5310c0d06caSMauro Carvalho Chehab f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 5320c0d06caSMauro Carvalho Chehab 5330c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); 5340c0d06caSMauro Carvalho Chehab 5350c0d06caSMauro Carvalho Chehab return 0; 5360c0d06caSMauro Carvalho Chehab } 5370c0d06caSMauro Carvalho Chehab 5380c0d06caSMauro Carvalho Chehab /* This is called *without* dev->slock held; please keep it that way */ 5390c0d06caSMauro Carvalho Chehab static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) 5400c0d06caSMauro Carvalho Chehab { 5410c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5420c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5430c0d06caSMauro Carvalho Chehab unsigned long flags = 0; 5440c0d06caSMauro Carvalho Chehab if (in_interrupt()) 5450c0d06caSMauro Carvalho Chehab BUG(); 5460c0d06caSMauro Carvalho Chehab 5470c0d06caSMauro Carvalho Chehab /* We used to wait for the buffer to finish here, but this didn't work 5480c0d06caSMauro Carvalho Chehab because, as we were keeping the state as VIDEOBUF_QUEUED, 5490c0d06caSMauro Carvalho Chehab videobuf_queue_cancel marked it as finished for us. 5500c0d06caSMauro Carvalho Chehab (Also, it could wedge forever if the hardware was misconfigured.) 5510c0d06caSMauro Carvalho Chehab 5520c0d06caSMauro Carvalho Chehab This should be safe; by the time we get here, the buffer isn't 5530c0d06caSMauro Carvalho Chehab queued anymore. If we ever start marking the buffers as 5540c0d06caSMauro Carvalho Chehab VIDEOBUF_ACTIVE, it won't be, though. 5550c0d06caSMauro Carvalho Chehab */ 5560c0d06caSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 55774209dc0SFrank Schaefer if (dev->usb_ctl.vid_buf == buf) 55874209dc0SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 5590c0d06caSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 5600c0d06caSMauro Carvalho Chehab 5610c0d06caSMauro Carvalho Chehab videobuf_vmalloc_free(&buf->vb); 5620c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_NEEDS_INIT; 5630c0d06caSMauro Carvalho Chehab } 5640c0d06caSMauro Carvalho Chehab 5650c0d06caSMauro Carvalho Chehab static int 5660c0d06caSMauro Carvalho Chehab buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, 5670c0d06caSMauro Carvalho Chehab enum v4l2_field field) 5680c0d06caSMauro Carvalho Chehab { 5690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5700c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 5710c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5720c0d06caSMauro Carvalho Chehab int rc = 0, urb_init = 0; 5730c0d06caSMauro Carvalho Chehab 5740c0d06caSMauro Carvalho Chehab buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth 5750c0d06caSMauro Carvalho Chehab + 7) >> 3; 5760c0d06caSMauro Carvalho Chehab 5770c0d06caSMauro Carvalho Chehab if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 5780c0d06caSMauro Carvalho Chehab return -EINVAL; 5790c0d06caSMauro Carvalho Chehab 5800c0d06caSMauro Carvalho Chehab buf->vb.width = dev->width; 5810c0d06caSMauro Carvalho Chehab buf->vb.height = dev->height; 5820c0d06caSMauro Carvalho Chehab buf->vb.field = field; 5830c0d06caSMauro Carvalho Chehab 5840c0d06caSMauro Carvalho Chehab if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 5850c0d06caSMauro Carvalho Chehab rc = videobuf_iolock(vq, &buf->vb, NULL); 5860c0d06caSMauro Carvalho Chehab if (rc < 0) 5870c0d06caSMauro Carvalho Chehab goto fail; 5880c0d06caSMauro Carvalho Chehab } 5890c0d06caSMauro Carvalho Chehab 59074209dc0SFrank Schaefer if (!dev->usb_ctl.analog_bufs.num_bufs) 5910c0d06caSMauro Carvalho Chehab urb_init = 1; 5920c0d06caSMauro Carvalho Chehab 5930c0d06caSMauro Carvalho Chehab if (urb_init) { 5940455eebfSFrank Schaefer dev->capture_type = -1; 595c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 596c647a91aSFrank Schaefer dev->analog_xfer_bulk, 5970c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 5980c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 599c647a91aSFrank Schaefer dev->packet_multiplier, 6000fa4a402SFrank Schaefer em28xx_urb_data_copy); 6010c0d06caSMauro Carvalho Chehab if (rc < 0) 6020c0d06caSMauro Carvalho Chehab goto fail; 6030c0d06caSMauro Carvalho Chehab } 6040c0d06caSMauro Carvalho Chehab 6050c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_PREPARED; 6060c0d06caSMauro Carvalho Chehab return 0; 6070c0d06caSMauro Carvalho Chehab 6080c0d06caSMauro Carvalho Chehab fail: 6090c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 6100c0d06caSMauro Carvalho Chehab return rc; 6110c0d06caSMauro Carvalho Chehab } 6120c0d06caSMauro Carvalho Chehab 6130c0d06caSMauro Carvalho Chehab static void 6140c0d06caSMauro Carvalho Chehab buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 6150c0d06caSMauro Carvalho Chehab { 6160c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 6170c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 6180c0d06caSMauro Carvalho Chehab vb); 6190c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6200c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 6210c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 6220c0d06caSMauro Carvalho Chehab 6230c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_QUEUED; 6240c0d06caSMauro Carvalho Chehab list_add_tail(&buf->vb.queue, &vidq->active); 6250c0d06caSMauro Carvalho Chehab 6260c0d06caSMauro Carvalho Chehab } 6270c0d06caSMauro Carvalho Chehab 6280c0d06caSMauro Carvalho Chehab static void buffer_release(struct videobuf_queue *vq, 6290c0d06caSMauro Carvalho Chehab struct videobuf_buffer *vb) 6300c0d06caSMauro Carvalho Chehab { 6310c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 6320c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 6330c0d06caSMauro Carvalho Chehab vb); 6340c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6350c0d06caSMauro Carvalho Chehab struct em28xx *dev = (struct em28xx *)fh->dev; 6360c0d06caSMauro Carvalho Chehab 6370c0d06caSMauro Carvalho Chehab em28xx_isocdbg("em28xx: called buffer_release\n"); 6380c0d06caSMauro Carvalho Chehab 6390c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 6400c0d06caSMauro Carvalho Chehab } 6410c0d06caSMauro Carvalho Chehab 6420c0d06caSMauro Carvalho Chehab static struct videobuf_queue_ops em28xx_video_qops = { 6430c0d06caSMauro Carvalho Chehab .buf_setup = buffer_setup, 6440c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 6450c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 6460c0d06caSMauro Carvalho Chehab .buf_release = buffer_release, 6470c0d06caSMauro Carvalho Chehab }; 6480c0d06caSMauro Carvalho Chehab 6490c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 6500c0d06caSMauro Carvalho Chehab 6510c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 6520c0d06caSMauro Carvalho Chehab { 6530c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 6540c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 6550c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 6560c0d06caSMauro Carvalho Chehab 6570c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 6580c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 6590c0d06caSMauro Carvalho Chehab 6600c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, 6610c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 6620c0d06caSMauro Carvalho Chehab 6630c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 6640c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 6650c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, 6660c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 6670c0d06caSMauro Carvalho Chehab } 6680c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 6690c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 6700c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 6710c0d06caSMauro Carvalho Chehab } 6720c0d06caSMauro Carvalho Chehab 6730c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 6740c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 6750c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 6760c0d06caSMauro Carvalho Chehab } 6770c0d06caSMauro Carvalho Chehab 6780c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 6790c0d06caSMauro Carvalho Chehab } 6800c0d06caSMauro Carvalho Chehab 6810c0d06caSMauro Carvalho Chehab /* Usage lock check functions */ 6820c0d06caSMauro Carvalho Chehab static int res_get(struct em28xx_fh *fh, unsigned int bit) 6830c0d06caSMauro Carvalho Chehab { 6840c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 6850c0d06caSMauro Carvalho Chehab 6860c0d06caSMauro Carvalho Chehab if (fh->resources & bit) 6870c0d06caSMauro Carvalho Chehab /* have it already allocated */ 6880c0d06caSMauro Carvalho Chehab return 1; 6890c0d06caSMauro Carvalho Chehab 6900c0d06caSMauro Carvalho Chehab /* is it free? */ 6910c0d06caSMauro Carvalho Chehab if (dev->resources & bit) { 6920c0d06caSMauro Carvalho Chehab /* no, someone else uses it */ 6930c0d06caSMauro Carvalho Chehab return 0; 6940c0d06caSMauro Carvalho Chehab } 6950c0d06caSMauro Carvalho Chehab /* it's free, grab it */ 6960c0d06caSMauro Carvalho Chehab fh->resources |= bit; 6970c0d06caSMauro Carvalho Chehab dev->resources |= bit; 6980c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: get %d\n", bit); 6990c0d06caSMauro Carvalho Chehab return 1; 7000c0d06caSMauro Carvalho Chehab } 7010c0d06caSMauro Carvalho Chehab 7020c0d06caSMauro Carvalho Chehab static int res_check(struct em28xx_fh *fh, unsigned int bit) 7030c0d06caSMauro Carvalho Chehab { 7040c0d06caSMauro Carvalho Chehab return fh->resources & bit; 7050c0d06caSMauro Carvalho Chehab } 7060c0d06caSMauro Carvalho Chehab 7070c0d06caSMauro Carvalho Chehab static int res_locked(struct em28xx *dev, unsigned int bit) 7080c0d06caSMauro Carvalho Chehab { 7090c0d06caSMauro Carvalho Chehab return dev->resources & bit; 7100c0d06caSMauro Carvalho Chehab } 7110c0d06caSMauro Carvalho Chehab 7120c0d06caSMauro Carvalho Chehab static void res_free(struct em28xx_fh *fh, unsigned int bits) 7130c0d06caSMauro Carvalho Chehab { 7140c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7150c0d06caSMauro Carvalho Chehab 7160c0d06caSMauro Carvalho Chehab BUG_ON((fh->resources & bits) != bits); 7170c0d06caSMauro Carvalho Chehab 7180c0d06caSMauro Carvalho Chehab fh->resources &= ~bits; 7190c0d06caSMauro Carvalho Chehab dev->resources &= ~bits; 7200c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: put %d\n", bits); 7210c0d06caSMauro Carvalho Chehab } 7220c0d06caSMauro Carvalho Chehab 7230c0d06caSMauro Carvalho Chehab static int get_ressource(struct em28xx_fh *fh) 7240c0d06caSMauro Carvalho Chehab { 7250c0d06caSMauro Carvalho Chehab switch (fh->type) { 7260c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 7270c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VIDEO; 7280c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 7290c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VBI; 7300c0d06caSMauro Carvalho Chehab default: 7310c0d06caSMauro Carvalho Chehab BUG(); 7320c0d06caSMauro Carvalho Chehab return 0; 7330c0d06caSMauro Carvalho Chehab } 7340c0d06caSMauro Carvalho Chehab } 7350c0d06caSMauro Carvalho Chehab 7360c0d06caSMauro Carvalho Chehab /* 7370c0d06caSMauro Carvalho Chehab * ac97_queryctrl() 7380c0d06caSMauro Carvalho Chehab * return the ac97 supported controls 7390c0d06caSMauro Carvalho Chehab */ 7400c0d06caSMauro Carvalho Chehab static int ac97_queryctrl(struct v4l2_queryctrl *qc) 7410c0d06caSMauro Carvalho Chehab { 7420c0d06caSMauro Carvalho Chehab int i; 7430c0d06caSMauro Carvalho Chehab 7440c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 7450c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 7460c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 7470c0d06caSMauro Carvalho Chehab return 0; 7480c0d06caSMauro Carvalho Chehab } 7490c0d06caSMauro Carvalho Chehab } 7500c0d06caSMauro Carvalho Chehab 7510c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 7520c0d06caSMauro Carvalho Chehab return 1; 7530c0d06caSMauro Carvalho Chehab } 7540c0d06caSMauro Carvalho Chehab 7550c0d06caSMauro Carvalho Chehab /* 7560c0d06caSMauro Carvalho Chehab * ac97_get_ctrl() 7570c0d06caSMauro Carvalho Chehab * return the current values for ac97 mute and volume 7580c0d06caSMauro Carvalho Chehab */ 7590c0d06caSMauro Carvalho Chehab static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) 7600c0d06caSMauro Carvalho Chehab { 7610c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 7620c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 7630c0d06caSMauro Carvalho Chehab ctrl->value = dev->mute; 7640c0d06caSMauro Carvalho Chehab return 0; 7650c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 7660c0d06caSMauro Carvalho Chehab ctrl->value = dev->volume; 7670c0d06caSMauro Carvalho Chehab return 0; 7680c0d06caSMauro Carvalho Chehab default: 7690c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 7700c0d06caSMauro Carvalho Chehab return 1; 7710c0d06caSMauro Carvalho Chehab } 7720c0d06caSMauro Carvalho Chehab } 7730c0d06caSMauro Carvalho Chehab 7740c0d06caSMauro Carvalho Chehab /* 7750c0d06caSMauro Carvalho Chehab * ac97_set_ctrl() 7760c0d06caSMauro Carvalho Chehab * set values for ac97 mute and volume 7770c0d06caSMauro Carvalho Chehab */ 7780c0d06caSMauro Carvalho Chehab static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) 7790c0d06caSMauro Carvalho Chehab { 7800c0d06caSMauro Carvalho Chehab int i; 7810c0d06caSMauro Carvalho Chehab 7820c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) 7830c0d06caSMauro Carvalho Chehab if (ctrl->id == ac97_qctrl[i].id) 7840c0d06caSMauro Carvalho Chehab goto handle; 7850c0d06caSMauro Carvalho Chehab 7860c0d06caSMauro Carvalho Chehab /* Announce that hasn't handle it */ 7870c0d06caSMauro Carvalho Chehab return 1; 7880c0d06caSMauro Carvalho Chehab 7890c0d06caSMauro Carvalho Chehab handle: 7900c0d06caSMauro Carvalho Chehab if (ctrl->value < ac97_qctrl[i].minimum || 7910c0d06caSMauro Carvalho Chehab ctrl->value > ac97_qctrl[i].maximum) 7920c0d06caSMauro Carvalho Chehab return -ERANGE; 7930c0d06caSMauro Carvalho Chehab 7940c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 7950c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 7960c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 7970c0d06caSMauro Carvalho Chehab break; 7980c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 7990c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 8000c0d06caSMauro Carvalho Chehab break; 8010c0d06caSMauro Carvalho Chehab } 8020c0d06caSMauro Carvalho Chehab 8030c0d06caSMauro Carvalho Chehab return em28xx_audio_analog_set(dev); 8040c0d06caSMauro Carvalho Chehab } 8050c0d06caSMauro Carvalho Chehab 8060c0d06caSMauro Carvalho Chehab static int check_dev(struct em28xx *dev) 8070c0d06caSMauro Carvalho Chehab { 8080c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 8090c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device not present\n"); 8100c0d06caSMauro Carvalho Chehab return -ENODEV; 8110c0d06caSMauro Carvalho Chehab } 8120c0d06caSMauro Carvalho Chehab 8130c0d06caSMauro Carvalho Chehab if (dev->state & DEV_MISCONFIGURED) { 8140c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device is misconfigured; " 8150c0d06caSMauro Carvalho Chehab "close and open it again\n"); 8160c0d06caSMauro Carvalho Chehab return -EIO; 8170c0d06caSMauro Carvalho Chehab } 8180c0d06caSMauro Carvalho Chehab return 0; 8190c0d06caSMauro Carvalho Chehab } 8200c0d06caSMauro Carvalho Chehab 8210c0d06caSMauro Carvalho Chehab static void get_scale(struct em28xx *dev, 8220c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 8230c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 8240c0d06caSMauro Carvalho Chehab { 8250c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 8260c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 8270c0d06caSMauro Carvalho Chehab 8280c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 8290c0d06caSMauro Carvalho Chehab if (*hscale >= 0x4000) 8300c0d06caSMauro Carvalho Chehab *hscale = 0x3fff; 8310c0d06caSMauro Carvalho Chehab 8320c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 8330c0d06caSMauro Carvalho Chehab if (*vscale >= 0x4000) 8340c0d06caSMauro Carvalho Chehab *vscale = 0x3fff; 8350c0d06caSMauro Carvalho Chehab } 8360c0d06caSMauro Carvalho Chehab 8370c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 8380c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 8390c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8400c0d06caSMauro Carvalho Chehab 8410c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 8420c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 8430c0d06caSMauro Carvalho Chehab { 8440c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 8450c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8460c0d06caSMauro Carvalho Chehab 8470c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 8480c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 8490c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 8500c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 8510c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 8520c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 8530c0d06caSMauro Carvalho Chehab 8540c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 8550c0d06caSMauro Carvalho Chehab if (dev->progressive) 8560c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 8570c0d06caSMauro Carvalho Chehab else 8580c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 8590c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 8600c0d06caSMauro Carvalho Chehab return 0; 8610c0d06caSMauro Carvalho Chehab } 8620c0d06caSMauro Carvalho Chehab 8630c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 8640c0d06caSMauro Carvalho Chehab { 8650c0d06caSMauro Carvalho Chehab unsigned int i; 8660c0d06caSMauro Carvalho Chehab 8670c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 8680c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 8690c0d06caSMauro Carvalho Chehab return &format[i]; 8700c0d06caSMauro Carvalho Chehab 8710c0d06caSMauro Carvalho Chehab return NULL; 8720c0d06caSMauro Carvalho Chehab } 8730c0d06caSMauro Carvalho Chehab 8740c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 8750c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 8760c0d06caSMauro Carvalho Chehab { 8770c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 8780c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8790c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 8800c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 8810c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 8820c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 8830c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 8840c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 8850c0d06caSMauro Carvalho Chehab 8860c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 8870c0d06caSMauro Carvalho Chehab if (!fmt) { 8880c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 8890c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 8900c0d06caSMauro Carvalho Chehab return -EINVAL; 8910c0d06caSMauro Carvalho Chehab } 8920c0d06caSMauro Carvalho Chehab 8930c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 8940c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 8950c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 8960c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 8970c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 8980c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 8990c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 9000c0d06caSMauro Carvalho Chehab width /= 2; 9010c0d06caSMauro Carvalho Chehab } else { 9020c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 9030c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 9040c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 9050c0d06caSMauro Carvalho Chehab 1, 0); 9060c0d06caSMauro Carvalho Chehab } 9070c0d06caSMauro Carvalho Chehab 9080c0d06caSMauro Carvalho Chehab get_scale(dev, width, height, &hscale, &vscale); 9090c0d06caSMauro Carvalho Chehab 9100c0d06caSMauro Carvalho Chehab width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 9110c0d06caSMauro Carvalho Chehab height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 9120c0d06caSMauro Carvalho Chehab 9130c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 9140c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 9150c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 9160c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; 9170c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 9180c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 9190c0d06caSMauro Carvalho Chehab if (dev->progressive) 9200c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 9210c0d06caSMauro Carvalho Chehab else 9220c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 9230c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 9240c0d06caSMauro Carvalho Chehab 9250c0d06caSMauro Carvalho Chehab return 0; 9260c0d06caSMauro Carvalho Chehab } 9270c0d06caSMauro Carvalho Chehab 9280c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 9290c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 9300c0d06caSMauro Carvalho Chehab { 9310c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 9320c0d06caSMauro Carvalho Chehab 9330c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 9340c0d06caSMauro Carvalho Chehab if (!fmt) 9350c0d06caSMauro Carvalho Chehab return -EINVAL; 9360c0d06caSMauro Carvalho Chehab 9370c0d06caSMauro Carvalho Chehab dev->format = fmt; 9380c0d06caSMauro Carvalho Chehab dev->width = width; 9390c0d06caSMauro Carvalho Chehab dev->height = height; 9400c0d06caSMauro Carvalho Chehab 9410c0d06caSMauro Carvalho Chehab /* set new image size */ 9420c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 9430c0d06caSMauro Carvalho Chehab 9440c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 9450c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 9460c0d06caSMauro Carvalho Chehab 9470c0d06caSMauro Carvalho Chehab return 0; 9480c0d06caSMauro Carvalho Chehab } 9490c0d06caSMauro Carvalho Chehab 9500c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 9510c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 9520c0d06caSMauro Carvalho Chehab { 9530c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9540c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9550c0d06caSMauro Carvalho Chehab int rc; 9560c0d06caSMauro Carvalho Chehab 9570c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9580c0d06caSMauro Carvalho Chehab if (rc < 0) 9590c0d06caSMauro Carvalho Chehab return rc; 9600c0d06caSMauro Carvalho Chehab 9610c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 9620c0d06caSMauro Carvalho Chehab 9630c0d06caSMauro Carvalho Chehab if (videobuf_queue_is_busy(&fh->vb_vidq)) { 9640c0d06caSMauro Carvalho Chehab em28xx_errdev("%s queue busy\n", __func__); 9650c0d06caSMauro Carvalho Chehab return -EBUSY; 9660c0d06caSMauro Carvalho Chehab } 9670c0d06caSMauro Carvalho Chehab 9680c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 9690c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 9700c0d06caSMauro Carvalho Chehab } 9710c0d06caSMauro Carvalho Chehab 9720c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 9730c0d06caSMauro Carvalho Chehab { 9740c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9750c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9760c0d06caSMauro Carvalho Chehab int rc; 9770c0d06caSMauro Carvalho Chehab 9780c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9790c0d06caSMauro Carvalho Chehab if (rc < 0) 9800c0d06caSMauro Carvalho Chehab return rc; 9810c0d06caSMauro Carvalho Chehab 9820c0d06caSMauro Carvalho Chehab *norm = dev->norm; 9830c0d06caSMauro Carvalho Chehab 9840c0d06caSMauro Carvalho Chehab return 0; 9850c0d06caSMauro Carvalho Chehab } 9860c0d06caSMauro Carvalho Chehab 9870c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 9880c0d06caSMauro Carvalho Chehab { 9890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9910c0d06caSMauro Carvalho Chehab int rc; 9920c0d06caSMauro Carvalho Chehab 9930c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9940c0d06caSMauro Carvalho Chehab if (rc < 0) 9950c0d06caSMauro Carvalho Chehab return rc; 9960c0d06caSMauro Carvalho Chehab 9970c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); 9980c0d06caSMauro Carvalho Chehab 9990c0d06caSMauro Carvalho Chehab return 0; 10000c0d06caSMauro Carvalho Chehab } 10010c0d06caSMauro Carvalho Chehab 10020c0d06caSMauro Carvalho Chehab static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) 10030c0d06caSMauro Carvalho Chehab { 10040c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10050c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10060c0d06caSMauro Carvalho Chehab struct v4l2_format f; 10070c0d06caSMauro Carvalho Chehab int rc; 10080c0d06caSMauro Carvalho Chehab 10090c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 10100c0d06caSMauro Carvalho Chehab if (rc < 0) 10110c0d06caSMauro Carvalho Chehab return rc; 10120c0d06caSMauro Carvalho Chehab 10130c0d06caSMauro Carvalho Chehab dev->norm = *norm; 10140c0d06caSMauro Carvalho Chehab 10150c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 10160c0d06caSMauro Carvalho Chehab f.fmt.pix.width = dev->width; 10170c0d06caSMauro Carvalho Chehab f.fmt.pix.height = dev->height; 10180c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 10190c0d06caSMauro Carvalho Chehab 10200c0d06caSMauro Carvalho Chehab /* set new image size */ 10210c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 10220c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 10230c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 10240c0d06caSMauro Carvalho Chehab 10250c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 10260c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 10270c0d06caSMauro Carvalho Chehab 10280c0d06caSMauro Carvalho Chehab return 0; 10290c0d06caSMauro Carvalho Chehab } 10300c0d06caSMauro Carvalho Chehab 10310c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 10320c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 10330c0d06caSMauro Carvalho Chehab { 10340c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10350c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10360c0d06caSMauro Carvalho Chehab int rc = 0; 10370c0d06caSMauro Carvalho Chehab 10380c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 10390c0d06caSMauro Carvalho Chehab return -EINVAL; 10400c0d06caSMauro Carvalho Chehab 10410c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 10420c0d06caSMauro Carvalho Chehab rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, 10430c0d06caSMauro Carvalho Chehab video, g_parm, p); 10440c0d06caSMauro Carvalho Chehab else 10450c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 10460c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 10470c0d06caSMauro Carvalho Chehab 10480c0d06caSMauro Carvalho Chehab return rc; 10490c0d06caSMauro Carvalho Chehab } 10500c0d06caSMauro Carvalho Chehab 10510c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 10520c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 10530c0d06caSMauro Carvalho Chehab { 10540c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10550c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10560c0d06caSMauro Carvalho Chehab 10570c0d06caSMauro Carvalho Chehab if (!dev->board.is_webcam) 10580c0d06caSMauro Carvalho Chehab return -EINVAL; 10590c0d06caSMauro Carvalho Chehab 10600c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 10610c0d06caSMauro Carvalho Chehab return -EINVAL; 10620c0d06caSMauro Carvalho Chehab 10630c0d06caSMauro Carvalho Chehab return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); 10640c0d06caSMauro Carvalho Chehab } 10650c0d06caSMauro Carvalho Chehab 10660c0d06caSMauro Carvalho Chehab static const char *iname[] = { 10670c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 10680c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 10690c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 10700c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 10710c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 10720c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 10730c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 10740c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 10750c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 10760c0d06caSMauro Carvalho Chehab }; 10770c0d06caSMauro Carvalho Chehab 10780c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 10790c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 10800c0d06caSMauro Carvalho Chehab { 10810c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10820c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10830c0d06caSMauro Carvalho Chehab unsigned int n; 10840c0d06caSMauro Carvalho Chehab 10850c0d06caSMauro Carvalho Chehab n = i->index; 10860c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 10870c0d06caSMauro Carvalho Chehab return -EINVAL; 10880c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 10890c0d06caSMauro Carvalho Chehab return -EINVAL; 10900c0d06caSMauro Carvalho Chehab 10910c0d06caSMauro Carvalho Chehab i->index = n; 10920c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 10930c0d06caSMauro Carvalho Chehab 10940c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 10950c0d06caSMauro Carvalho Chehab 10960c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 10970c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 10980c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 10990c0d06caSMauro Carvalho Chehab 11000c0d06caSMauro Carvalho Chehab i->std = dev->vdev->tvnorms; 11010c0d06caSMauro Carvalho Chehab 11020c0d06caSMauro Carvalho Chehab return 0; 11030c0d06caSMauro Carvalho Chehab } 11040c0d06caSMauro Carvalho Chehab 11050c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 11060c0d06caSMauro Carvalho Chehab { 11070c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11080c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11090c0d06caSMauro Carvalho Chehab 11100c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 11110c0d06caSMauro Carvalho Chehab 11120c0d06caSMauro Carvalho Chehab return 0; 11130c0d06caSMauro Carvalho Chehab } 11140c0d06caSMauro Carvalho Chehab 11150c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 11160c0d06caSMauro Carvalho Chehab { 11170c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11180c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11190c0d06caSMauro Carvalho Chehab int rc; 11200c0d06caSMauro Carvalho Chehab 11210c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11220c0d06caSMauro Carvalho Chehab if (rc < 0) 11230c0d06caSMauro Carvalho Chehab return rc; 11240c0d06caSMauro Carvalho Chehab 11250c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 11260c0d06caSMauro Carvalho Chehab return -EINVAL; 11270c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 11280c0d06caSMauro Carvalho Chehab return -EINVAL; 11290c0d06caSMauro Carvalho Chehab 11300c0d06caSMauro Carvalho Chehab video_mux(dev, i); 11310c0d06caSMauro Carvalho Chehab return 0; 11320c0d06caSMauro Carvalho Chehab } 11330c0d06caSMauro Carvalho Chehab 11340c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 11350c0d06caSMauro Carvalho Chehab { 11360c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11370c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11380c0d06caSMauro Carvalho Chehab 11390c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 11400c0d06caSMauro Carvalho Chehab return -EINVAL; 11410c0d06caSMauro Carvalho Chehab 11420c0d06caSMauro Carvalho Chehab switch (a->index) { 11430c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 11440c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 11450c0d06caSMauro Carvalho Chehab break; 11460c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 11470c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 11480c0d06caSMauro Carvalho Chehab break; 11490c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 11500c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 11510c0d06caSMauro Carvalho Chehab break; 11520c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 11530c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 11540c0d06caSMauro Carvalho Chehab break; 11550c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 11560c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 11570c0d06caSMauro Carvalho Chehab break; 11580c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 11590c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 11600c0d06caSMauro Carvalho Chehab break; 11610c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 11620c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 11630c0d06caSMauro Carvalho Chehab break; 11640c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 11650c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 11660c0d06caSMauro Carvalho Chehab break; 11670c0d06caSMauro Carvalho Chehab default: 11680c0d06caSMauro Carvalho Chehab return -EINVAL; 11690c0d06caSMauro Carvalho Chehab } 11700c0d06caSMauro Carvalho Chehab 11710c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 11720c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 11730c0d06caSMauro Carvalho Chehab 11740c0d06caSMauro Carvalho Chehab return 0; 11750c0d06caSMauro Carvalho Chehab } 11760c0d06caSMauro Carvalho Chehab 11770e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 11780c0d06caSMauro Carvalho Chehab { 11790c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11800c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11810c0d06caSMauro Carvalho Chehab 11820c0d06caSMauro Carvalho Chehab 11830c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 11840c0d06caSMauro Carvalho Chehab return -EINVAL; 11850c0d06caSMauro Carvalho Chehab 11860c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 11870c0d06caSMauro Carvalho Chehab return -EINVAL; 11880c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 11890c0d06caSMauro Carvalho Chehab return -EINVAL; 11900c0d06caSMauro Carvalho Chehab 11910c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 11920c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 11930c0d06caSMauro Carvalho Chehab 11940c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11950c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11960c0d06caSMauro Carvalho Chehab 11970c0d06caSMauro Carvalho Chehab return 0; 11980c0d06caSMauro Carvalho Chehab } 11990c0d06caSMauro Carvalho Chehab 12000c0d06caSMauro Carvalho Chehab static int vidioc_queryctrl(struct file *file, void *priv, 12010c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 12020c0d06caSMauro Carvalho Chehab { 12030c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12050c0d06caSMauro Carvalho Chehab int id = qc->id; 12060c0d06caSMauro Carvalho Chehab int rc; 12070c0d06caSMauro Carvalho Chehab 12080c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12090c0d06caSMauro Carvalho Chehab if (rc < 0) 12100c0d06caSMauro Carvalho Chehab return rc; 12110c0d06caSMauro Carvalho Chehab 12120c0d06caSMauro Carvalho Chehab memset(qc, 0, sizeof(*qc)); 12130c0d06caSMauro Carvalho Chehab 12140c0d06caSMauro Carvalho Chehab qc->id = id; 12150c0d06caSMauro Carvalho Chehab 12160c0d06caSMauro Carvalho Chehab /* enumerate AC97 controls */ 12170c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 12180c0d06caSMauro Carvalho Chehab rc = ac97_queryctrl(qc); 12190c0d06caSMauro Carvalho Chehab if (!rc) 12200c0d06caSMauro Carvalho Chehab return 0; 12210c0d06caSMauro Carvalho Chehab } 12220c0d06caSMauro Carvalho Chehab 12230c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 12240c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); 12250c0d06caSMauro Carvalho Chehab 12260c0d06caSMauro Carvalho Chehab if (qc->type) 12270c0d06caSMauro Carvalho Chehab return 0; 12280c0d06caSMauro Carvalho Chehab else 12290c0d06caSMauro Carvalho Chehab return -EINVAL; 12300c0d06caSMauro Carvalho Chehab } 12310c0d06caSMauro Carvalho Chehab 12320c0d06caSMauro Carvalho Chehab /* 12330c0d06caSMauro Carvalho Chehab * FIXME: This is an indirect way to check if a control exists at a 12340c0d06caSMauro Carvalho Chehab * subdev. Instead of that hack, maybe the better would be to change all 12350c0d06caSMauro Carvalho Chehab * subdevs to return -ENOIOCTLCMD, if an ioctl is not supported. 12360c0d06caSMauro Carvalho Chehab */ 12370c0d06caSMauro Carvalho Chehab static int check_subdev_ctrl(struct em28xx *dev, int id) 12380c0d06caSMauro Carvalho Chehab { 12390c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl qc; 12400c0d06caSMauro Carvalho Chehab 12410c0d06caSMauro Carvalho Chehab memset(&qc, 0, sizeof(qc)); 12420c0d06caSMauro Carvalho Chehab qc.id = id; 12430c0d06caSMauro Carvalho Chehab 12440c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 12450c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, &qc); 12460c0d06caSMauro Carvalho Chehab 12470c0d06caSMauro Carvalho Chehab if (qc.type) 12480c0d06caSMauro Carvalho Chehab return 0; 12490c0d06caSMauro Carvalho Chehab else 12500c0d06caSMauro Carvalho Chehab return -EINVAL; 12510c0d06caSMauro Carvalho Chehab } 12520c0d06caSMauro Carvalho Chehab 12530c0d06caSMauro Carvalho Chehab static int vidioc_g_ctrl(struct file *file, void *priv, 12540c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 12550c0d06caSMauro Carvalho Chehab { 12560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12580c0d06caSMauro Carvalho Chehab int rc; 12590c0d06caSMauro Carvalho Chehab 12600c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12610c0d06caSMauro Carvalho Chehab if (rc < 0) 12620c0d06caSMauro Carvalho Chehab return rc; 12630c0d06caSMauro Carvalho Chehab rc = 0; 12640c0d06caSMauro Carvalho Chehab 12650c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 12660c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 12670c0d06caSMauro Carvalho Chehab rc = ac97_get_ctrl(dev, ctrl); 12680c0d06caSMauro Carvalho Chehab else 12690c0d06caSMauro Carvalho Chehab rc = 1; 12700c0d06caSMauro Carvalho Chehab 12710c0d06caSMauro Carvalho Chehab /* It were not an AC97 control. Sends it to the v4l2 dev interface */ 12720c0d06caSMauro Carvalho Chehab if (rc == 1) { 12730c0d06caSMauro Carvalho Chehab if (check_subdev_ctrl(dev, ctrl->id)) 12740c0d06caSMauro Carvalho Chehab return -EINVAL; 12750c0d06caSMauro Carvalho Chehab 12760c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); 12770c0d06caSMauro Carvalho Chehab rc = 0; 12780c0d06caSMauro Carvalho Chehab } 12790c0d06caSMauro Carvalho Chehab 12800c0d06caSMauro Carvalho Chehab return rc; 12810c0d06caSMauro Carvalho Chehab } 12820c0d06caSMauro Carvalho Chehab 12830c0d06caSMauro Carvalho Chehab static int vidioc_s_ctrl(struct file *file, void *priv, 12840c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 12850c0d06caSMauro Carvalho Chehab { 12860c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12870c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12880c0d06caSMauro Carvalho Chehab int rc; 12890c0d06caSMauro Carvalho Chehab 12900c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12910c0d06caSMauro Carvalho Chehab if (rc < 0) 12920c0d06caSMauro Carvalho Chehab return rc; 12930c0d06caSMauro Carvalho Chehab 12940c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 12950c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 12960c0d06caSMauro Carvalho Chehab rc = ac97_set_ctrl(dev, ctrl); 12970c0d06caSMauro Carvalho Chehab else 12980c0d06caSMauro Carvalho Chehab rc = 1; 12990c0d06caSMauro Carvalho Chehab 13000c0d06caSMauro Carvalho Chehab /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ 13010c0d06caSMauro Carvalho Chehab if (rc == 1) { 13020c0d06caSMauro Carvalho Chehab rc = check_subdev_ctrl(dev, ctrl->id); 13030c0d06caSMauro Carvalho Chehab if (!rc) 13040c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, 13050c0d06caSMauro Carvalho Chehab core, s_ctrl, ctrl); 13060c0d06caSMauro Carvalho Chehab /* 13070c0d06caSMauro Carvalho Chehab * In the case of non-AC97 volume controls, we still need 13080c0d06caSMauro Carvalho Chehab * to do some setups at em28xx, in order to mute/unmute 13090c0d06caSMauro Carvalho Chehab * and to adjust audio volume. However, the value ranges 13100c0d06caSMauro Carvalho Chehab * should be checked by the corresponding V4L subdriver. 13110c0d06caSMauro Carvalho Chehab */ 13120c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 13130c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 13140c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 13150c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 13160c0d06caSMauro Carvalho Chehab break; 13170c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 13180c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 13190c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 13200c0d06caSMauro Carvalho Chehab } 13210c0d06caSMauro Carvalho Chehab } 13220c0d06caSMauro Carvalho Chehab return (rc < 0) ? rc : 0; 13230c0d06caSMauro Carvalho Chehab } 13240c0d06caSMauro Carvalho Chehab 13250c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 13260c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 13270c0d06caSMauro Carvalho Chehab { 13280c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13290c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13300c0d06caSMauro Carvalho Chehab int rc; 13310c0d06caSMauro Carvalho Chehab 13320c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13330c0d06caSMauro Carvalho Chehab if (rc < 0) 13340c0d06caSMauro Carvalho Chehab return rc; 13350c0d06caSMauro Carvalho Chehab 13360c0d06caSMauro Carvalho Chehab if (0 != t->index) 13370c0d06caSMauro Carvalho Chehab return -EINVAL; 13380c0d06caSMauro Carvalho Chehab 13390c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 13400c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_ANALOG_TV; 13410c0d06caSMauro Carvalho Chehab 13420c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 13430c0d06caSMauro Carvalho Chehab return 0; 13440c0d06caSMauro Carvalho Chehab } 13450c0d06caSMauro Carvalho Chehab 13460c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 13470c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 13480c0d06caSMauro Carvalho Chehab { 13490c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13500c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13510c0d06caSMauro Carvalho Chehab int rc; 13520c0d06caSMauro Carvalho Chehab 13530c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13540c0d06caSMauro Carvalho Chehab if (rc < 0) 13550c0d06caSMauro Carvalho Chehab return rc; 13560c0d06caSMauro Carvalho Chehab 13570c0d06caSMauro Carvalho Chehab if (0 != t->index) 13580c0d06caSMauro Carvalho Chehab return -EINVAL; 13590c0d06caSMauro Carvalho Chehab 13600c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 13610c0d06caSMauro Carvalho Chehab return 0; 13620c0d06caSMauro Carvalho Chehab } 13630c0d06caSMauro Carvalho Chehab 13640c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 13650c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 13660c0d06caSMauro Carvalho Chehab { 13670c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13680c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13690c0d06caSMauro Carvalho Chehab 13700c0d06caSMauro Carvalho Chehab f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 13710c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 13720c0d06caSMauro Carvalho Chehab return 0; 13730c0d06caSMauro Carvalho Chehab } 13740c0d06caSMauro Carvalho Chehab 13750c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 13760c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 13770c0d06caSMauro Carvalho Chehab { 13780c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13790c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13800c0d06caSMauro Carvalho Chehab int rc; 13810c0d06caSMauro Carvalho Chehab 13820c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13830c0d06caSMauro Carvalho Chehab if (rc < 0) 13840c0d06caSMauro Carvalho Chehab return rc; 13850c0d06caSMauro Carvalho Chehab 13860c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 13870c0d06caSMauro Carvalho Chehab return -EINVAL; 13880c0d06caSMauro Carvalho Chehab 13890c0d06caSMauro Carvalho Chehab if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 13900c0d06caSMauro Carvalho Chehab return -EINVAL; 13910c0d06caSMauro Carvalho Chehab if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 13920c0d06caSMauro Carvalho Chehab return -EINVAL; 13930c0d06caSMauro Carvalho Chehab 13940c0d06caSMauro Carvalho Chehab dev->ctl_freq = f->frequency; 13950c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); 13960c0d06caSMauro Carvalho Chehab 13970c0d06caSMauro Carvalho Chehab return 0; 13980c0d06caSMauro Carvalho Chehab } 13990c0d06caSMauro Carvalho Chehab 14000c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 14010c0d06caSMauro Carvalho Chehab static int em28xx_reg_len(int reg) 14020c0d06caSMauro Carvalho Chehab { 14030c0d06caSMauro Carvalho Chehab switch (reg) { 14040c0d06caSMauro Carvalho Chehab case EM28XX_R40_AC97LSB: 14050c0d06caSMauro Carvalho Chehab case EM28XX_R30_HSCALELOW: 14060c0d06caSMauro Carvalho Chehab case EM28XX_R32_VSCALELOW: 14070c0d06caSMauro Carvalho Chehab return 2; 14080c0d06caSMauro Carvalho Chehab default: 14090c0d06caSMauro Carvalho Chehab return 1; 14100c0d06caSMauro Carvalho Chehab } 14110c0d06caSMauro Carvalho Chehab } 14120c0d06caSMauro Carvalho Chehab 14130c0d06caSMauro Carvalho Chehab static int vidioc_g_chip_ident(struct file *file, void *priv, 14140c0d06caSMauro Carvalho Chehab struct v4l2_dbg_chip_ident *chip) 14150c0d06caSMauro Carvalho Chehab { 14160c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14170c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14180c0d06caSMauro Carvalho Chehab 14190c0d06caSMauro Carvalho Chehab chip->ident = V4L2_IDENT_NONE; 14200c0d06caSMauro Carvalho Chehab chip->revision = 0; 14210c0d06caSMauro Carvalho Chehab 14220c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); 14230c0d06caSMauro Carvalho Chehab 14240c0d06caSMauro Carvalho Chehab return 0; 14250c0d06caSMauro Carvalho Chehab } 14260c0d06caSMauro Carvalho Chehab 14270c0d06caSMauro Carvalho Chehab 14280c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 14290c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 14300c0d06caSMauro Carvalho Chehab { 14310c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14320c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14330c0d06caSMauro Carvalho Chehab int ret; 14340c0d06caSMauro Carvalho Chehab 14350c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 14360c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 14370c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 14380c0d06caSMauro Carvalho Chehab if (ret < 0) 14390c0d06caSMauro Carvalho Chehab return ret; 14400c0d06caSMauro Carvalho Chehab 14410c0d06caSMauro Carvalho Chehab reg->val = ret; 14420c0d06caSMauro Carvalho Chehab reg->size = 1; 14430c0d06caSMauro Carvalho Chehab return 0; 14440c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 14450c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 14460c0d06caSMauro Carvalho Chehab return 0; 14470c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 14480c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 14490c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 14500c0d06caSMauro Carvalho Chehab return 0; 14510c0d06caSMauro Carvalho Chehab default: 14520c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 14530c0d06caSMauro Carvalho Chehab return -EINVAL; 14540c0d06caSMauro Carvalho Chehab } 14550c0d06caSMauro Carvalho Chehab 14560c0d06caSMauro Carvalho Chehab /* Match host */ 14570c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 14580c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 14590c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 14600c0d06caSMauro Carvalho Chehab 14610c0d06caSMauro Carvalho Chehab if (ret < 0) 14620c0d06caSMauro Carvalho Chehab return ret; 14630c0d06caSMauro Carvalho Chehab 14640c0d06caSMauro Carvalho Chehab reg->val = ret; 14650c0d06caSMauro Carvalho Chehab } else { 14660c0d06caSMauro Carvalho Chehab __le16 val = 0; 14670c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 14680c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 14690c0d06caSMauro Carvalho Chehab if (ret < 0) 14700c0d06caSMauro Carvalho Chehab return ret; 14710c0d06caSMauro Carvalho Chehab 14720c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 14730c0d06caSMauro Carvalho Chehab } 14740c0d06caSMauro Carvalho Chehab 14750c0d06caSMauro Carvalho Chehab return 0; 14760c0d06caSMauro Carvalho Chehab } 14770c0d06caSMauro Carvalho Chehab 14780c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 14790c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 14800c0d06caSMauro Carvalho Chehab { 14810c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14820c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14830c0d06caSMauro Carvalho Chehab __le16 buf; 14840c0d06caSMauro Carvalho Chehab 14850c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 14860c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 14870c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 14880c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 14890c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 14900c0d06caSMauro Carvalho Chehab return 0; 14910c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 14920c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 14930c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 14940c0d06caSMauro Carvalho Chehab return 0; 14950c0d06caSMauro Carvalho Chehab default: 14960c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 14970c0d06caSMauro Carvalho Chehab return -EINVAL; 14980c0d06caSMauro Carvalho Chehab } 14990c0d06caSMauro Carvalho Chehab 15000c0d06caSMauro Carvalho Chehab /* Match host */ 15010c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 15020c0d06caSMauro Carvalho Chehab 15030c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 15040c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 15050c0d06caSMauro Carvalho Chehab } 15060c0d06caSMauro Carvalho Chehab #endif 15070c0d06caSMauro Carvalho Chehab 15080c0d06caSMauro Carvalho Chehab 15090c0d06caSMauro Carvalho Chehab static int vidioc_cropcap(struct file *file, void *priv, 15100c0d06caSMauro Carvalho Chehab struct v4l2_cropcap *cc) 15110c0d06caSMauro Carvalho Chehab { 15120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 15160c0d06caSMauro Carvalho Chehab return -EINVAL; 15170c0d06caSMauro Carvalho Chehab 15180c0d06caSMauro Carvalho Chehab cc->bounds.left = 0; 15190c0d06caSMauro Carvalho Chehab cc->bounds.top = 0; 15200c0d06caSMauro Carvalho Chehab cc->bounds.width = dev->width; 15210c0d06caSMauro Carvalho Chehab cc->bounds.height = dev->height; 15220c0d06caSMauro Carvalho Chehab cc->defrect = cc->bounds; 15230c0d06caSMauro Carvalho Chehab cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ 15240c0d06caSMauro Carvalho Chehab cc->pixelaspect.denominator = 59; 15250c0d06caSMauro Carvalho Chehab 15260c0d06caSMauro Carvalho Chehab return 0; 15270c0d06caSMauro Carvalho Chehab } 15280c0d06caSMauro Carvalho Chehab 15290c0d06caSMauro Carvalho Chehab static int vidioc_streamon(struct file *file, void *priv, 15300c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 15310c0d06caSMauro Carvalho Chehab { 15320c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15330c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15340c0d06caSMauro Carvalho Chehab int rc = -EINVAL; 15350c0d06caSMauro Carvalho Chehab 15360c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15370c0d06caSMauro Carvalho Chehab if (rc < 0) 15380c0d06caSMauro Carvalho Chehab return rc; 15390c0d06caSMauro Carvalho Chehab 15400c0d06caSMauro Carvalho Chehab if (unlikely(type != fh->type)) 15410c0d06caSMauro Carvalho Chehab return -EINVAL; 15420c0d06caSMauro Carvalho Chehab 15430c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", 15440c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 15450c0d06caSMauro Carvalho Chehab 15460c0d06caSMauro Carvalho Chehab if (unlikely(!res_get(fh, get_ressource(fh)))) 15470c0d06caSMauro Carvalho Chehab return -EBUSY; 15480c0d06caSMauro Carvalho Chehab 15490c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 15500c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vidq); 15510c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 15520c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vbiq); 15530c0d06caSMauro Carvalho Chehab 15540c0d06caSMauro Carvalho Chehab return rc; 15550c0d06caSMauro Carvalho Chehab } 15560c0d06caSMauro Carvalho Chehab 15570c0d06caSMauro Carvalho Chehab static int vidioc_streamoff(struct file *file, void *priv, 15580c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 15590c0d06caSMauro Carvalho Chehab { 15600c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15610c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15620c0d06caSMauro Carvalho Chehab int rc; 15630c0d06caSMauro Carvalho Chehab 15640c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15650c0d06caSMauro Carvalho Chehab if (rc < 0) 15660c0d06caSMauro Carvalho Chehab return rc; 15670c0d06caSMauro Carvalho Chehab 15680c0d06caSMauro Carvalho Chehab if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 15690c0d06caSMauro Carvalho Chehab fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) 15700c0d06caSMauro Carvalho Chehab return -EINVAL; 15710c0d06caSMauro Carvalho Chehab if (type != fh->type) 15720c0d06caSMauro Carvalho Chehab return -EINVAL; 15730c0d06caSMauro Carvalho Chehab 15740c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", 15750c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 15760c0d06caSMauro Carvalho Chehab 15770c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 15780c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 15790c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vidq); 15800c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 15810c0d06caSMauro Carvalho Chehab } 15820c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 15830c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 15840c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vbiq); 15850c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 15860c0d06caSMauro Carvalho Chehab } 15870c0d06caSMauro Carvalho Chehab } 15880c0d06caSMauro Carvalho Chehab 15890c0d06caSMauro Carvalho Chehab return 0; 15900c0d06caSMauro Carvalho Chehab } 15910c0d06caSMauro Carvalho Chehab 15920c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 15930c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 15940c0d06caSMauro Carvalho Chehab { 15950c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15960c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15970c0d06caSMauro Carvalho Chehab 15980c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 15990c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 16000c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 16010c0d06caSMauro Carvalho Chehab 16020c0d06caSMauro Carvalho Chehab cap->capabilities = 16030c0d06caSMauro Carvalho Chehab V4L2_CAP_SLICED_VBI_CAPTURE | 16040c0d06caSMauro Carvalho Chehab V4L2_CAP_VIDEO_CAPTURE | 16050c0d06caSMauro Carvalho Chehab V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 16060c0d06caSMauro Carvalho Chehab 16070c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 16080c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 16090c0d06caSMauro Carvalho Chehab 16100c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 16110c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_AUDIO; 16120c0d06caSMauro Carvalho Chehab 16130c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 16140c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_TUNER; 16150c0d06caSMauro Carvalho Chehab 16160c0d06caSMauro Carvalho Chehab return 0; 16170c0d06caSMauro Carvalho Chehab } 16180c0d06caSMauro Carvalho Chehab 16190c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 16200c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 16210c0d06caSMauro Carvalho Chehab { 16220c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 16230c0d06caSMauro Carvalho Chehab return -EINVAL; 16240c0d06caSMauro Carvalho Chehab 16250c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 16260c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 16270c0d06caSMauro Carvalho Chehab 16280c0d06caSMauro Carvalho Chehab return 0; 16290c0d06caSMauro Carvalho Chehab } 16300c0d06caSMauro Carvalho Chehab 16310c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 16320c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 16330c0d06caSMauro Carvalho Chehab { 16340c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16350c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16360c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 16370c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 16380c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 16390c0d06caSMauro Carvalho Chehab 16400c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 16410c0d06caSMauro Carvalho Chehab if (!fmt) { 16420c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 16430c0d06caSMauro Carvalho Chehab fsize->pixel_format); 16440c0d06caSMauro Carvalho Chehab return -EINVAL; 16450c0d06caSMauro Carvalho Chehab } 16460c0d06caSMauro Carvalho Chehab 16470c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 16480c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 16490c0d06caSMauro Carvalho Chehab return -EINVAL; 16500c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 16510c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 16520c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 16530c0d06caSMauro Carvalho Chehab return 0; 16540c0d06caSMauro Carvalho Chehab } 16550c0d06caSMauro Carvalho Chehab 16560c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 16570c0d06caSMauro Carvalho Chehab return -EINVAL; 16580c0d06caSMauro Carvalho Chehab 16590c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 16600c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 16610c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 16620c0d06caSMauro Carvalho Chehab fsize->stepwise.min_height = 32; 16630c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 16640c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 16650c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 16660c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 16670c0d06caSMauro Carvalho Chehab return 0; 16680c0d06caSMauro Carvalho Chehab } 16690c0d06caSMauro Carvalho Chehab 16700c0d06caSMauro Carvalho Chehab /* Sliced VBI ioctls */ 16710c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, 16720c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 16730c0d06caSMauro Carvalho Chehab { 16740c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16750c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16760c0d06caSMauro Carvalho Chehab int rc; 16770c0d06caSMauro Carvalho Chehab 16780c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 16790c0d06caSMauro Carvalho Chehab if (rc < 0) 16800c0d06caSMauro Carvalho Chehab return rc; 16810c0d06caSMauro Carvalho Chehab 16820c0d06caSMauro Carvalho Chehab f->fmt.sliced.service_set = 0; 16830c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 16840c0d06caSMauro Carvalho Chehab 16850c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 16860c0d06caSMauro Carvalho Chehab rc = -EINVAL; 16870c0d06caSMauro Carvalho Chehab 16880c0d06caSMauro Carvalho Chehab return rc; 16890c0d06caSMauro Carvalho Chehab } 16900c0d06caSMauro Carvalho Chehab 16910c0d06caSMauro Carvalho Chehab static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, 16920c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 16930c0d06caSMauro Carvalho Chehab { 16940c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16950c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16960c0d06caSMauro Carvalho Chehab int rc; 16970c0d06caSMauro Carvalho Chehab 16980c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 16990c0d06caSMauro Carvalho Chehab if (rc < 0) 17000c0d06caSMauro Carvalho Chehab return rc; 17010c0d06caSMauro Carvalho Chehab 17020c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 17030c0d06caSMauro Carvalho Chehab 17040c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 17050c0d06caSMauro Carvalho Chehab return -EINVAL; 17060c0d06caSMauro Carvalho Chehab 17070c0d06caSMauro Carvalho Chehab return 0; 17080c0d06caSMauro Carvalho Chehab } 17090c0d06caSMauro Carvalho Chehab 17100c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17110c0d06caSMauro Carvalho Chehab 17120c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 17130c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17140c0d06caSMauro Carvalho Chehab { 17150c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17160c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17170c0d06caSMauro Carvalho Chehab 17180c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17190c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17200c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17210c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17220c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17230c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17240c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17250c0d06caSMauro Carvalho Chehab 17260c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17270c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17280c0d06caSMauro Carvalho Chehab /* NTSC */ 17290c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17300c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 17310c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 17320c0d06caSMauro Carvalho Chehab /* PAL */ 17330c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 17340c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 17350c0d06caSMauro Carvalho Chehab } 17360c0d06caSMauro Carvalho Chehab 17370c0d06caSMauro Carvalho Chehab return 0; 17380c0d06caSMauro Carvalho Chehab } 17390c0d06caSMauro Carvalho Chehab 17400c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, 17410c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17420c0d06caSMauro Carvalho Chehab { 17430c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17440c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17450c0d06caSMauro Carvalho Chehab 17460c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17470c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17480c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17490c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17500c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17510c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17520c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17530c0d06caSMauro Carvalho Chehab 17540c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17550c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17560c0d06caSMauro Carvalho Chehab /* NTSC */ 17570c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17580c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 17590c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 17600c0d06caSMauro Carvalho Chehab /* PAL */ 17610c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 17620c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 17630c0d06caSMauro Carvalho Chehab } 17640c0d06caSMauro Carvalho Chehab 17650c0d06caSMauro Carvalho Chehab return 0; 17660c0d06caSMauro Carvalho Chehab } 17670c0d06caSMauro Carvalho Chehab 17680c0d06caSMauro Carvalho Chehab static int vidioc_reqbufs(struct file *file, void *priv, 17690c0d06caSMauro Carvalho Chehab struct v4l2_requestbuffers *rb) 17700c0d06caSMauro Carvalho Chehab { 17710c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17720c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17730c0d06caSMauro Carvalho Chehab int rc; 17740c0d06caSMauro Carvalho Chehab 17750c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17760c0d06caSMauro Carvalho Chehab if (rc < 0) 17770c0d06caSMauro Carvalho Chehab return rc; 17780c0d06caSMauro Carvalho Chehab 17790c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17800c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vidq, rb); 17810c0d06caSMauro Carvalho Chehab else 17820c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vbiq, rb); 17830c0d06caSMauro Carvalho Chehab } 17840c0d06caSMauro Carvalho Chehab 17850c0d06caSMauro Carvalho Chehab static int vidioc_querybuf(struct file *file, void *priv, 17860c0d06caSMauro Carvalho Chehab struct v4l2_buffer *b) 17870c0d06caSMauro Carvalho Chehab { 17880c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17890c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17900c0d06caSMauro Carvalho Chehab int rc; 17910c0d06caSMauro Carvalho Chehab 17920c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17930c0d06caSMauro Carvalho Chehab if (rc < 0) 17940c0d06caSMauro Carvalho Chehab return rc; 17950c0d06caSMauro Carvalho Chehab 17960c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17970c0d06caSMauro Carvalho Chehab return videobuf_querybuf(&fh->vb_vidq, b); 17980c0d06caSMauro Carvalho Chehab else { 17990c0d06caSMauro Carvalho Chehab /* FIXME: I'm not sure yet whether this is a bug in zvbi or 18000c0d06caSMauro Carvalho Chehab the videobuf framework, but we probably shouldn't be 18010c0d06caSMauro Carvalho Chehab returning a buffer larger than that which was asked for. 18020c0d06caSMauro Carvalho Chehab At a minimum, it causes a crash in zvbi since it does 18030c0d06caSMauro Carvalho Chehab a memcpy based on the source buffer length */ 18040c0d06caSMauro Carvalho Chehab int result = videobuf_querybuf(&fh->vb_vbiq, b); 18050c0d06caSMauro Carvalho Chehab b->length = dev->vbi_width * dev->vbi_height * 2; 18060c0d06caSMauro Carvalho Chehab 18070c0d06caSMauro Carvalho Chehab return result; 18080c0d06caSMauro Carvalho Chehab } 18090c0d06caSMauro Carvalho Chehab } 18100c0d06caSMauro Carvalho Chehab 18110c0d06caSMauro Carvalho Chehab static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 18120c0d06caSMauro Carvalho Chehab { 18130c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18140c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18150c0d06caSMauro Carvalho Chehab int rc; 18160c0d06caSMauro Carvalho Chehab 18170c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18180c0d06caSMauro Carvalho Chehab if (rc < 0) 18190c0d06caSMauro Carvalho Chehab return rc; 18200c0d06caSMauro Carvalho Chehab 18210c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 18220c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vidq, b); 18230c0d06caSMauro Carvalho Chehab else 18240c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vbiq, b); 18250c0d06caSMauro Carvalho Chehab } 18260c0d06caSMauro Carvalho Chehab 18270c0d06caSMauro Carvalho Chehab static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 18280c0d06caSMauro Carvalho Chehab { 18290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18300c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18310c0d06caSMauro Carvalho Chehab int rc; 18320c0d06caSMauro Carvalho Chehab 18330c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18340c0d06caSMauro Carvalho Chehab if (rc < 0) 18350c0d06caSMauro Carvalho Chehab return rc; 18360c0d06caSMauro Carvalho Chehab 18370c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 18380c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & 18390c0d06caSMauro Carvalho Chehab O_NONBLOCK); 18400c0d06caSMauro Carvalho Chehab else 18410c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & 18420c0d06caSMauro Carvalho Chehab O_NONBLOCK); 18430c0d06caSMauro Carvalho Chehab } 18440c0d06caSMauro Carvalho Chehab 18450c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18460c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18470c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18480c0d06caSMauro Carvalho Chehab 18490c0d06caSMauro Carvalho Chehab static int radio_querycap(struct file *file, void *priv, 18500c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 18510c0d06caSMauro Carvalho Chehab { 18520c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18530c0d06caSMauro Carvalho Chehab 18540c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 18550c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 18560c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 18570c0d06caSMauro Carvalho Chehab 18580c0d06caSMauro Carvalho Chehab cap->capabilities = V4L2_CAP_TUNER; 18590c0d06caSMauro Carvalho Chehab return 0; 18600c0d06caSMauro Carvalho Chehab } 18610c0d06caSMauro Carvalho Chehab 18620c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18630c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18640c0d06caSMauro Carvalho Chehab { 18650c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18660c0d06caSMauro Carvalho Chehab 18670c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18680c0d06caSMauro Carvalho Chehab return -EINVAL; 18690c0d06caSMauro Carvalho Chehab 18700c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18710c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_RADIO; 18720c0d06caSMauro Carvalho Chehab 18730c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 18740c0d06caSMauro Carvalho Chehab 18750c0d06caSMauro Carvalho Chehab return 0; 18760c0d06caSMauro Carvalho Chehab } 18770c0d06caSMauro Carvalho Chehab 18780c0d06caSMauro Carvalho Chehab static int radio_enum_input(struct file *file, void *priv, 18790c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 18800c0d06caSMauro Carvalho Chehab { 18810c0d06caSMauro Carvalho Chehab if (i->index != 0) 18820c0d06caSMauro Carvalho Chehab return -EINVAL; 18830c0d06caSMauro Carvalho Chehab strcpy(i->name, "Radio"); 18840c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 18850c0d06caSMauro Carvalho Chehab 18860c0d06caSMauro Carvalho Chehab return 0; 18870c0d06caSMauro Carvalho Chehab } 18880c0d06caSMauro Carvalho Chehab 18890c0d06caSMauro Carvalho Chehab static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 18900c0d06caSMauro Carvalho Chehab { 18910c0d06caSMauro Carvalho Chehab if (unlikely(a->index)) 18920c0d06caSMauro Carvalho Chehab return -EINVAL; 18930c0d06caSMauro Carvalho Chehab 18940c0d06caSMauro Carvalho Chehab strcpy(a->name, "Radio"); 18950c0d06caSMauro Carvalho Chehab return 0; 18960c0d06caSMauro Carvalho Chehab } 18970c0d06caSMauro Carvalho Chehab 18980c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18990c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 19000c0d06caSMauro Carvalho Chehab { 19010c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 19020c0d06caSMauro Carvalho Chehab 19030c0d06caSMauro Carvalho Chehab if (0 != t->index) 19040c0d06caSMauro Carvalho Chehab return -EINVAL; 19050c0d06caSMauro Carvalho Chehab 19060c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 19070c0d06caSMauro Carvalho Chehab 19080c0d06caSMauro Carvalho Chehab return 0; 19090c0d06caSMauro Carvalho Chehab } 19100c0d06caSMauro Carvalho Chehab 19110c0d06caSMauro Carvalho Chehab static int radio_s_audio(struct file *file, void *fh, 19120e8025b9SHans Verkuil const struct v4l2_audio *a) 19130c0d06caSMauro Carvalho Chehab { 19140c0d06caSMauro Carvalho Chehab return 0; 19150c0d06caSMauro Carvalho Chehab } 19160c0d06caSMauro Carvalho Chehab 19170c0d06caSMauro Carvalho Chehab static int radio_s_input(struct file *file, void *fh, unsigned int i) 19180c0d06caSMauro Carvalho Chehab { 19190c0d06caSMauro Carvalho Chehab return 0; 19200c0d06caSMauro Carvalho Chehab } 19210c0d06caSMauro Carvalho Chehab 19220c0d06caSMauro Carvalho Chehab static int radio_queryctrl(struct file *file, void *priv, 19230c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 19240c0d06caSMauro Carvalho Chehab { 19250c0d06caSMauro Carvalho Chehab int i; 19260c0d06caSMauro Carvalho Chehab 19270c0d06caSMauro Carvalho Chehab if (qc->id < V4L2_CID_BASE || 19280c0d06caSMauro Carvalho Chehab qc->id >= V4L2_CID_LASTP1) 19290c0d06caSMauro Carvalho Chehab return -EINVAL; 19300c0d06caSMauro Carvalho Chehab 19310c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 19320c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 19330c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 19340c0d06caSMauro Carvalho Chehab return 0; 19350c0d06caSMauro Carvalho Chehab } 19360c0d06caSMauro Carvalho Chehab } 19370c0d06caSMauro Carvalho Chehab 19380c0d06caSMauro Carvalho Chehab return -EINVAL; 19390c0d06caSMauro Carvalho Chehab } 19400c0d06caSMauro Carvalho Chehab 19410c0d06caSMauro Carvalho Chehab /* 19420c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 19430c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 19440c0d06caSMauro Carvalho Chehab */ 19450c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 19460c0d06caSMauro Carvalho Chehab { 19470c0d06caSMauro Carvalho Chehab int errCode = 0, radio = 0; 19480c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 19490c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 19500c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 19510c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 19520c0d06caSMauro Carvalho Chehab enum v4l2_field field; 19530c0d06caSMauro Carvalho Chehab 19540c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 19550c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 19560c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 19570c0d06caSMauro Carvalho Chehab break; 19580c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 19590c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 19600c0d06caSMauro Carvalho Chehab break; 19610c0d06caSMauro Carvalho Chehab case VFL_TYPE_RADIO: 19620c0d06caSMauro Carvalho Chehab radio = 1; 19630c0d06caSMauro Carvalho Chehab break; 19640c0d06caSMauro Carvalho Chehab } 19650c0d06caSMauro Carvalho Chehab 19660c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 19670c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 19680c0d06caSMauro Carvalho Chehab dev->users); 19690c0d06caSMauro Carvalho Chehab 19700c0d06caSMauro Carvalho Chehab 19710c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19720c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19730c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 19740c0d06caSMauro Carvalho Chehab if (!fh) { 19750c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 19760c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19770c0d06caSMauro Carvalho Chehab return -ENOMEM; 19780c0d06caSMauro Carvalho Chehab } 19790c0d06caSMauro Carvalho Chehab fh->dev = dev; 19800c0d06caSMauro Carvalho Chehab fh->radio = radio; 19810c0d06caSMauro Carvalho Chehab fh->type = fh_type; 19820c0d06caSMauro Carvalho Chehab filp->private_data = fh; 19830c0d06caSMauro Carvalho Chehab 19840c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { 19850c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19860c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 19870c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19880c0d06caSMauro Carvalho Chehab 19890c0d06caSMauro Carvalho Chehab /* Needed, since GPIO might have disabled power of 19900c0d06caSMauro Carvalho Chehab some i2c device 19910c0d06caSMauro Carvalho Chehab */ 19920c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19930c0d06caSMauro Carvalho Chehab 19940c0d06caSMauro Carvalho Chehab } 19950c0d06caSMauro Carvalho Chehab if (fh->radio) { 19960c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 19970c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); 19980c0d06caSMauro Carvalho Chehab } 19990c0d06caSMauro Carvalho Chehab 20000c0d06caSMauro Carvalho Chehab dev->users++; 20010c0d06caSMauro Carvalho Chehab 20020c0d06caSMauro Carvalho Chehab if (dev->progressive) 20030c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_NONE; 20040c0d06caSMauro Carvalho Chehab else 20050c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_INTERLACED; 20060c0d06caSMauro Carvalho Chehab 20070c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, 20080c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 20090c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VIDEO_CAPTURE, field, 20100c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 20110c0d06caSMauro Carvalho Chehab 20120c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops, 20130c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 20140c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VBI_CAPTURE, 20150c0d06caSMauro Carvalho Chehab V4L2_FIELD_SEQ_TB, 20160c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 20170c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 20180c0d06caSMauro Carvalho Chehab 20190c0d06caSMauro Carvalho Chehab return errCode; 20200c0d06caSMauro Carvalho Chehab } 20210c0d06caSMauro Carvalho Chehab 20220c0d06caSMauro Carvalho Chehab /* 20230c0d06caSMauro Carvalho Chehab * em28xx_realease_resources() 20240c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 20250c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 20260c0d06caSMauro Carvalho Chehab */ 20270c0d06caSMauro Carvalho Chehab void em28xx_release_analog_resources(struct em28xx *dev) 20280c0d06caSMauro Carvalho Chehab { 20290c0d06caSMauro Carvalho Chehab 20300c0d06caSMauro Carvalho Chehab /*FIXME: I2C IR should be disconnected */ 20310c0d06caSMauro Carvalho Chehab 20320c0d06caSMauro Carvalho Chehab if (dev->radio_dev) { 20330c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->radio_dev)) 20340c0d06caSMauro Carvalho Chehab video_unregister_device(dev->radio_dev); 20350c0d06caSMauro Carvalho Chehab else 20360c0d06caSMauro Carvalho Chehab video_device_release(dev->radio_dev); 20370c0d06caSMauro Carvalho Chehab dev->radio_dev = NULL; 20380c0d06caSMauro Carvalho Chehab } 20390c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) { 20400c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 20410c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 20420c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vbi_dev)) 20430c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vbi_dev); 20440c0d06caSMauro Carvalho Chehab else 20450c0d06caSMauro Carvalho Chehab video_device_release(dev->vbi_dev); 20460c0d06caSMauro Carvalho Chehab dev->vbi_dev = NULL; 20470c0d06caSMauro Carvalho Chehab } 20480c0d06caSMauro Carvalho Chehab if (dev->vdev) { 20490c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 20500c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 20510c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vdev)) 20520c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vdev); 20530c0d06caSMauro Carvalho Chehab else 20540c0d06caSMauro Carvalho Chehab video_device_release(dev->vdev); 20550c0d06caSMauro Carvalho Chehab dev->vdev = NULL; 20560c0d06caSMauro Carvalho Chehab } 20570c0d06caSMauro Carvalho Chehab } 20580c0d06caSMauro Carvalho Chehab 20590c0d06caSMauro Carvalho Chehab /* 20600c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20610c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20620c0d06caSMauro Carvalho Chehab * calls and ioctls 20630c0d06caSMauro Carvalho Chehab */ 20640c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20650c0d06caSMauro Carvalho Chehab { 20660c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20670c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 20680c0d06caSMauro Carvalho Chehab int errCode; 20690c0d06caSMauro Carvalho Chehab 20700c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20710c0d06caSMauro Carvalho Chehab 20720c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 20730c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 20740c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vidq); 20750c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 20760c0d06caSMauro Carvalho Chehab } 20770c0d06caSMauro Carvalho Chehab 20780c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 20790c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vbiq); 20800c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 20810c0d06caSMauro Carvalho Chehab } 20820c0d06caSMauro Carvalho Chehab 20830c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 20840c0d06caSMauro Carvalho Chehab /* the device is already disconnect, 20850c0d06caSMauro Carvalho Chehab free the remaining resources */ 20860c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 20870c0d06caSMauro Carvalho Chehab em28xx_release_resources(dev); 20880cf544a6SFrank Schaefer kfree(dev->alt_max_pkt_size_isoc); 2089e36c92fdSDan Carpenter mutex_unlock(&dev->lock); 20900c0d06caSMauro Carvalho Chehab kfree(dev); 20910c0d06caSMauro Carvalho Chehab kfree(fh); 20920c0d06caSMauro Carvalho Chehab return 0; 20930c0d06caSMauro Carvalho Chehab } 20940c0d06caSMauro Carvalho Chehab 20950c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 20960c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); 20970c0d06caSMauro Carvalho Chehab 20980c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 2099afb177e0SFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 21000c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 21010c0d06caSMauro Carvalho Chehab 21020c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 21030c0d06caSMauro Carvalho Chehab dev->alt = 0; 21040c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 21050c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 21060c0d06caSMauro Carvalho Chehab if (errCode < 0) { 21070c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 21080c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 21090c0d06caSMauro Carvalho Chehab } 21100c0d06caSMauro Carvalho Chehab } 21110c0d06caSMauro Carvalho Chehab 21120c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vidq); 21130c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vbiq); 21140c0d06caSMauro Carvalho Chehab kfree(fh); 21150c0d06caSMauro Carvalho Chehab dev->users--; 21160c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21170c0d06caSMauro Carvalho Chehab return 0; 21180c0d06caSMauro Carvalho Chehab } 21190c0d06caSMauro Carvalho Chehab 21200c0d06caSMauro Carvalho Chehab /* 21210c0d06caSMauro Carvalho Chehab * em28xx_v4l2_read() 21220c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 21230c0d06caSMauro Carvalho Chehab */ 21240c0d06caSMauro Carvalho Chehab static ssize_t 21250c0d06caSMauro Carvalho Chehab em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, 21260c0d06caSMauro Carvalho Chehab loff_t *pos) 21270c0d06caSMauro Carvalho Chehab { 21280c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21290c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21300c0d06caSMauro Carvalho Chehab int rc; 21310c0d06caSMauro Carvalho Chehab 21320c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 21330c0d06caSMauro Carvalho Chehab if (rc < 0) 21340c0d06caSMauro Carvalho Chehab return rc; 21350c0d06caSMauro Carvalho Chehab 21360c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 21370c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 21380c0d06caSMauro Carvalho Chehab /* FIXME: read() is not prepared to allow changing the video 21390c0d06caSMauro Carvalho Chehab resolution while streaming. Seems a bug at em28xx_set_fmt 21400c0d06caSMauro Carvalho Chehab */ 21410c0d06caSMauro Carvalho Chehab 21420c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 21430c0d06caSMauro Carvalho Chehab if (res_locked(dev, EM28XX_RESOURCE_VIDEO)) 21440c0d06caSMauro Carvalho Chehab rc = -EBUSY; 21450c0d06caSMauro Carvalho Chehab else 21460c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, 21470c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 21480c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 21490c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 21500c0d06caSMauro Carvalho Chehab rc = -EBUSY; 21510c0d06caSMauro Carvalho Chehab else 21520c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, 21530c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 21540c0d06caSMauro Carvalho Chehab } 21550c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21560c0d06caSMauro Carvalho Chehab 21570c0d06caSMauro Carvalho Chehab return rc; 21580c0d06caSMauro Carvalho Chehab } 21590c0d06caSMauro Carvalho Chehab 21600c0d06caSMauro Carvalho Chehab /* 21610c0d06caSMauro Carvalho Chehab * em28xx_poll() 21620c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 21630c0d06caSMauro Carvalho Chehab */ 21640c0d06caSMauro Carvalho Chehab static unsigned int em28xx_poll(struct file *filp, poll_table *wait) 21650c0d06caSMauro Carvalho Chehab { 21660c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21670c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21680c0d06caSMauro Carvalho Chehab int rc; 21690c0d06caSMauro Carvalho Chehab 21700c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 21710c0d06caSMauro Carvalho Chehab if (rc < 0) 21720c0d06caSMauro Carvalho Chehab return rc; 21730c0d06caSMauro Carvalho Chehab 21740c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 21750c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VIDEO)) 21760c0d06caSMauro Carvalho Chehab return POLLERR; 21770c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vidq, wait); 21780c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 21790c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 21800c0d06caSMauro Carvalho Chehab return POLLERR; 21810c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); 21820c0d06caSMauro Carvalho Chehab } else { 21830c0d06caSMauro Carvalho Chehab return POLLERR; 21840c0d06caSMauro Carvalho Chehab } 21850c0d06caSMauro Carvalho Chehab } 21860c0d06caSMauro Carvalho Chehab 21870c0d06caSMauro Carvalho Chehab static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) 21880c0d06caSMauro Carvalho Chehab { 21890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21910c0d06caSMauro Carvalho Chehab unsigned int res; 21920c0d06caSMauro Carvalho Chehab 21930c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 21940c0d06caSMauro Carvalho Chehab res = em28xx_poll(filp, wait); 21950c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21960c0d06caSMauro Carvalho Chehab return res; 21970c0d06caSMauro Carvalho Chehab } 21980c0d06caSMauro Carvalho Chehab 21990c0d06caSMauro Carvalho Chehab /* 22000c0d06caSMauro Carvalho Chehab * em28xx_v4l2_mmap() 22010c0d06caSMauro Carvalho Chehab */ 22020c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) 22030c0d06caSMauro Carvalho Chehab { 22040c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 22050c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 22060c0d06caSMauro Carvalho Chehab int rc; 22070c0d06caSMauro Carvalho Chehab 22080c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 22090c0d06caSMauro Carvalho Chehab if (rc < 0) 22100c0d06caSMauro Carvalho Chehab return rc; 22110c0d06caSMauro Carvalho Chehab 22120c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 22130c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 22140c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 22150c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); 22160c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 22170c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); 22180c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 22190c0d06caSMauro Carvalho Chehab 22200c0d06caSMauro Carvalho Chehab em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", 22210c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_start, 22220c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, 22230c0d06caSMauro Carvalho Chehab rc); 22240c0d06caSMauro Carvalho Chehab 22250c0d06caSMauro Carvalho Chehab return rc; 22260c0d06caSMauro Carvalho Chehab } 22270c0d06caSMauro Carvalho Chehab 22280c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 22290c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22300c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22310c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 22320c0d06caSMauro Carvalho Chehab .read = em28xx_v4l2_read, 22330c0d06caSMauro Carvalho Chehab .poll = em28xx_v4l2_poll, 22340c0d06caSMauro Carvalho Chehab .mmap = em28xx_v4l2_mmap, 22350c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22360c0d06caSMauro Carvalho Chehab }; 22370c0d06caSMauro Carvalho Chehab 22380c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 22390c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 22400c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 22410c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 22420c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 22430c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 22440c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 22450c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 22460c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 22470c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 22480c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 22490c0d06caSMauro Carvalho Chehab .vidioc_cropcap = vidioc_cropcap, 22500c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, 22510c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 22520c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 22530c0d06caSMauro Carvalho Chehab 22540c0d06caSMauro Carvalho Chehab .vidioc_reqbufs = vidioc_reqbufs, 22550c0d06caSMauro Carvalho Chehab .vidioc_querybuf = vidioc_querybuf, 22560c0d06caSMauro Carvalho Chehab .vidioc_qbuf = vidioc_qbuf, 22570c0d06caSMauro Carvalho Chehab .vidioc_dqbuf = vidioc_dqbuf, 22580c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 22590c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 22600c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 22610c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 22620c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 22630c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 22640c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 22650c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 22660c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = vidioc_queryctrl, 22670c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 22680c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 22690c0d06caSMauro Carvalho Chehab .vidioc_streamon = vidioc_streamon, 22700c0d06caSMauro Carvalho Chehab .vidioc_streamoff = vidioc_streamoff, 22710c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 22720c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 22730c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 22740c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 22750c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 22760c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 22770c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 22780c0d06caSMauro Carvalho Chehab .vidioc_g_chip_ident = vidioc_g_chip_ident, 22790c0d06caSMauro Carvalho Chehab #endif 22800c0d06caSMauro Carvalho Chehab }; 22810c0d06caSMauro Carvalho Chehab 22820c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 22830c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 22840c0d06caSMauro Carvalho Chehab .release = video_device_release, 22850c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 22860c0d06caSMauro Carvalho Chehab 22870c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 22880c0d06caSMauro Carvalho Chehab .current_norm = V4L2_STD_PAL, 22890c0d06caSMauro Carvalho Chehab }; 22900c0d06caSMauro Carvalho Chehab 22910c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 22920c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22930c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22940c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 22950c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22960c0d06caSMauro Carvalho Chehab }; 22970c0d06caSMauro Carvalho Chehab 22980c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 22990c0d06caSMauro Carvalho Chehab .vidioc_querycap = radio_querycap, 23000c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 23010c0d06caSMauro Carvalho Chehab .vidioc_enum_input = radio_enum_input, 23020c0d06caSMauro Carvalho Chehab .vidioc_g_audio = radio_g_audio, 23030c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 23040c0d06caSMauro Carvalho Chehab .vidioc_s_audio = radio_s_audio, 23050c0d06caSMauro Carvalho Chehab .vidioc_s_input = radio_s_input, 23060c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = radio_queryctrl, 23070c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 23080c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 23090c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 23100c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 23110c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 23120c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 23130c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 23140c0d06caSMauro Carvalho Chehab #endif 23150c0d06caSMauro Carvalho Chehab }; 23160c0d06caSMauro Carvalho Chehab 23170c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 23180c0d06caSMauro Carvalho Chehab .name = "em28xx-radio", 23190c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 23200c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 23210c0d06caSMauro Carvalho Chehab }; 23220c0d06caSMauro Carvalho Chehab 23230c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 23240c0d06caSMauro Carvalho Chehab 23250c0d06caSMauro Carvalho Chehab 23260c0d06caSMauro Carvalho Chehab 23270c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 23280c0d06caSMauro Carvalho Chehab const struct video_device *template, 23290c0d06caSMauro Carvalho Chehab const char *type_name) 23300c0d06caSMauro Carvalho Chehab { 23310c0d06caSMauro Carvalho Chehab struct video_device *vfd; 23320c0d06caSMauro Carvalho Chehab 23330c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 23340c0d06caSMauro Carvalho Chehab if (NULL == vfd) 23350c0d06caSMauro Carvalho Chehab return NULL; 23360c0d06caSMauro Carvalho Chehab 23370c0d06caSMauro Carvalho Chehab *vfd = *template; 23380c0d06caSMauro Carvalho Chehab vfd->v4l2_dev = &dev->v4l2_dev; 23390c0d06caSMauro Carvalho Chehab vfd->release = video_device_release; 23400c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 23410c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 23420c0d06caSMauro Carvalho Chehab 23430c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 23440c0d06caSMauro Carvalho Chehab dev->name, type_name); 23450c0d06caSMauro Carvalho Chehab 23460c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 23470c0d06caSMauro Carvalho Chehab return vfd; 23480c0d06caSMauro Carvalho Chehab } 23490c0d06caSMauro Carvalho Chehab 23500c0d06caSMauro Carvalho Chehab int em28xx_register_analog_devices(struct em28xx *dev) 23510c0d06caSMauro Carvalho Chehab { 23520c0d06caSMauro Carvalho Chehab u8 val; 23530c0d06caSMauro Carvalho Chehab int ret; 23540c0d06caSMauro Carvalho Chehab unsigned int maxw; 23550c0d06caSMauro Carvalho Chehab 23560c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s: v4l2 driver version %s\n", 23570c0d06caSMauro Carvalho Chehab dev->name, EM28XX_VERSION); 23580c0d06caSMauro Carvalho Chehab 23590c0d06caSMauro Carvalho Chehab /* set default norm */ 23600c0d06caSMauro Carvalho Chehab dev->norm = em28xx_video_template.current_norm; 23610c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 23620c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 23630c0d06caSMauro Carvalho Chehab 23640c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 23650c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 23660c0d06caSMauro Carvalho Chehab 23670c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 23680c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 23690c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 23700c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 23710c0d06caSMauro Carvalho Chehab maxw /= 2; 23720c0d06caSMauro Carvalho Chehab 23730c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 23740c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 23750c0d06caSMauro Carvalho Chehab 23760c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 23770c0d06caSMauro Carvalho Chehab 23780c0d06caSMauro Carvalho Chehab /* Audio defaults */ 23790c0d06caSMauro Carvalho Chehab dev->mute = 1; 23800c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 23810c0d06caSMauro Carvalho Chehab 23820c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 23830c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 23840c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 23850c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 23860c0d06caSMauro Carvalho Chehab 23870c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 23880c0d06caSMauro Carvalho Chehab em28xx_colorlevels_set_default(dev); 23890c0d06caSMauro Carvalho Chehab em28xx_compression_disable(dev); 23900c0d06caSMauro Carvalho Chehab 23910c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 23920c0d06caSMauro Carvalho Chehab dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 23930c0d06caSMauro Carvalho Chehab if (!dev->vdev) { 23940c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 23950c0d06caSMauro Carvalho Chehab return -ENODEV; 23960c0d06caSMauro Carvalho Chehab } 23970c0d06caSMauro Carvalho Chehab 23980c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 23990c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, 24000c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 24010c0d06caSMauro Carvalho Chehab if (ret) { 24020c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 24030c0d06caSMauro Carvalho Chehab ret); 24040c0d06caSMauro Carvalho Chehab return ret; 24050c0d06caSMauro Carvalho Chehab } 24060c0d06caSMauro Carvalho Chehab 24070c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 24080c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 24090c0d06caSMauro Carvalho Chehab dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 24100c0d06caSMauro Carvalho Chehab "vbi"); 24110c0d06caSMauro Carvalho Chehab 24120c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 24130c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 24140c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 24150c0d06caSMauro Carvalho Chehab if (ret < 0) { 24160c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 24170c0d06caSMauro Carvalho Chehab return ret; 24180c0d06caSMauro Carvalho Chehab } 24190c0d06caSMauro Carvalho Chehab } 24200c0d06caSMauro Carvalho Chehab 24210c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 24220c0d06caSMauro Carvalho Chehab dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 24230c0d06caSMauro Carvalho Chehab "radio"); 24240c0d06caSMauro Carvalho Chehab if (!dev->radio_dev) { 24250c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 24260c0d06caSMauro Carvalho Chehab return -ENODEV; 24270c0d06caSMauro Carvalho Chehab } 24280c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, 24290c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 24300c0d06caSMauro Carvalho Chehab if (ret < 0) { 24310c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 24320c0d06caSMauro Carvalho Chehab return ret; 24330c0d06caSMauro Carvalho Chehab } 24340c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 24350c0d06caSMauro Carvalho Chehab video_device_node_name(dev->radio_dev)); 24360c0d06caSMauro Carvalho Chehab } 24370c0d06caSMauro Carvalho Chehab 24380c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 24390c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 24400c0d06caSMauro Carvalho Chehab 24410c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 24420c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 24430c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 24440c0d06caSMauro Carvalho Chehab 24450c0d06caSMauro Carvalho Chehab return 0; 24460c0d06caSMauro Carvalho Chehab } 2447