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 361960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 3620fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 3630c0d06caSMauro Carvalho Chehab { 3640c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, *vbi_buf; 3650c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 3660c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 36779ff8697SFrank Schaefer int xfer_bulk, num_packets, i, rc = 1; 3684601cc39SFrank Schaefer unsigned int actual_length, len = 0; 3694078d625SFrank Schaefer unsigned char *p; 3700c0d06caSMauro Carvalho Chehab 3710c0d06caSMauro Carvalho Chehab if (!dev) 3720c0d06caSMauro Carvalho Chehab return 0; 3730c0d06caSMauro Carvalho Chehab 3740c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 3750c0d06caSMauro Carvalho Chehab return 0; 3760c0d06caSMauro Carvalho Chehab 3771653cb0cSFrank Schaefer if (urb->status < 0) 3780c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 3790c0d06caSMauro Carvalho Chehab 3804601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 3814601cc39SFrank Schaefer 38274209dc0SFrank Schaefer buf = dev->usb_ctl.vid_buf; 38374209dc0SFrank Schaefer vbi_buf = dev->usb_ctl.vbi_buf; 3840c0d06caSMauro Carvalho Chehab 3854601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 3864601cc39SFrank Schaefer num_packets = 1; 3874601cc39SFrank Schaefer else /* isoc */ 3884601cc39SFrank Schaefer num_packets = urb->number_of_packets; 3890c0d06caSMauro Carvalho Chehab 3904601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 3914601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 3924601cc39SFrank Schaefer actual_length = urb->actual_length; 3934601cc39SFrank Schaefer 3944601cc39SFrank Schaefer p = urb->transfer_buffer; 3954601cc39SFrank Schaefer } else { /* isoc */ 3964601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 3974601cc39SFrank Schaefer print_err_status(dev, i, 3984601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 3990c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 4000c0d06caSMauro Carvalho Chehab continue; 4010c0d06caSMauro Carvalho Chehab } 4020c0d06caSMauro Carvalho Chehab 4034601cc39SFrank Schaefer actual_length = urb->iso_frame_desc[i].actual_length; 4044601cc39SFrank Schaefer if (actual_length > dev->max_pkt_size) { 4050c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 4060c0d06caSMauro Carvalho Chehab continue; 4070c0d06caSMauro Carvalho Chehab } 4080c0d06caSMauro Carvalho Chehab 4094601cc39SFrank Schaefer p = urb->transfer_buffer + 4104601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 4114601cc39SFrank Schaefer } 4124601cc39SFrank Schaefer 4133610f58bSFrank Schaefer if (actual_length == 0) { 4144601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 4154601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 4164601cc39SFrank Schaefer continue; 4174601cc39SFrank Schaefer } 4180c0d06caSMauro Carvalho Chehab 4190c0d06caSMauro Carvalho Chehab /* capture type 0 = vbi start 420a4837015SFrank Schaefer capture type 1 = vbi in progress 421a4837015SFrank Schaefer capture type 2 = video start 422a4837015SFrank Schaefer capture type 3 = video in progress */ 4233610f58bSFrank Schaefer len = actual_length; 4243610f58bSFrank Schaefer if (len >= 4) { 4253610f58bSFrank Schaefer /* NOTE: headers are always 4 bytes and 4263610f58bSFrank Schaefer * never split across packets */ 4270c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95) { 4280c0d06caSMauro Carvalho Chehab dev->capture_type = 0; 4290c0d06caSMauro Carvalho Chehab dev->vbi_read = 0; 4300c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI START HEADER!!!\n"); 4310455eebfSFrank Schaefer dev->top_field = !(p[2] & 1); 4320c0d06caSMauro Carvalho Chehab p += 4; 4333610f58bSFrank Schaefer len -= 4; 4340c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x88 && p[1] == 0x88 && 4350c0d06caSMauro Carvalho Chehab p[2] == 0x88 && p[3] == 0x88) { 4360c0d06caSMauro Carvalho Chehab /* continuation */ 4370c0d06caSMauro Carvalho Chehab p += 4; 4383610f58bSFrank Schaefer len -= 4; 4390c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x22 && p[1] == 0x5a) { 4400c0d06caSMauro Carvalho Chehab /* start video */ 441a4837015SFrank Schaefer dev->capture_type = 2; 4420455eebfSFrank Schaefer dev->top_field = !(p[2] & 1); 4430c0d06caSMauro Carvalho Chehab p += 4; 4443610f58bSFrank Schaefer len -= 4; 4450c0d06caSMauro Carvalho Chehab } 4463610f58bSFrank Schaefer } 4473610f58bSFrank Schaefer /* NOTE: with bulk transfers, intermediate data packets 4483610f58bSFrank Schaefer * have no continuation header */ 4490c0d06caSMauro Carvalho Chehab 4500c0d06caSMauro Carvalho Chehab if (dev->capture_type == 0) { 451a4837015SFrank Schaefer dev->capture_type = 1; 452a4837015SFrank Schaefer if (dev->top_field) { /* Brand new frame */ 4530c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) 454948a49aaSFrank Schaefer finish_buffer(dev, vbi_buf); 45524a6d849SFrank Schaefer vbi_buf = get_next_buf(dev, vbi_dma_q); 45624a6d849SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 4570c0d06caSMauro Carvalho Chehab } 4588732533bSFrank Schaefer if (vbi_buf != NULL) { 459a4837015SFrank Schaefer vbi_buf->top_field = dev->top_field; 4608732533bSFrank Schaefer vbi_buf->pos = 0; 4618732533bSFrank Schaefer } 4620c0d06caSMauro Carvalho Chehab } 4630c0d06caSMauro Carvalho Chehab 464a4837015SFrank Schaefer if (dev->capture_type == 1) { 465a4837015SFrank Schaefer int vbi_size = dev->vbi_width * dev->vbi_height; 466a4837015SFrank Schaefer int vbi_data_len = ((dev->vbi_read + len) > vbi_size) ? 467a4837015SFrank Schaefer (vbi_size - dev->vbi_read) : len; 468a4837015SFrank Schaefer 469a4837015SFrank Schaefer /* Copy VBI data */ 470a4837015SFrank Schaefer if (vbi_buf != NULL) 4714078d625SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, p, vbi_data_len); 472a4837015SFrank Schaefer dev->vbi_read += vbi_data_len; 473a4837015SFrank Schaefer 474a4837015SFrank Schaefer if (vbi_data_len < len) { 475a4837015SFrank Schaefer /* Continue with copying video data */ 476a4837015SFrank Schaefer dev->capture_type = 2; 4770c0d06caSMauro Carvalho Chehab p += vbi_data_len; 4780c0d06caSMauro Carvalho Chehab len -= vbi_data_len; 4790c0d06caSMauro Carvalho Chehab } 4800c0d06caSMauro Carvalho Chehab } 4810c0d06caSMauro Carvalho Chehab 482a4837015SFrank Schaefer if (dev->capture_type == 2) { 483a4837015SFrank Schaefer dev->capture_type = 3; 4840455eebfSFrank Schaefer if (dev->progressive || dev->top_field) { 4850c0d06caSMauro Carvalho Chehab if (buf != NULL) 486948a49aaSFrank Schaefer finish_buffer(dev, buf); 48724a6d849SFrank Schaefer buf = get_next_buf(dev, dma_q); 48824a6d849SFrank Schaefer dev->usb_ctl.vid_buf = buf; 4890c0d06caSMauro Carvalho Chehab } 4908732533bSFrank Schaefer if (buf != NULL) { 4910455eebfSFrank Schaefer buf->top_field = dev->top_field; 4928732533bSFrank Schaefer buf->pos = 0; 4938732533bSFrank Schaefer } 4940c0d06caSMauro Carvalho Chehab } 4950c0d06caSMauro Carvalho Chehab 496a4837015SFrank Schaefer if (buf != NULL && dev->capture_type == 3 && len > 0) 4974078d625SFrank Schaefer em28xx_copy_video(dev, buf, p, len); 4980c0d06caSMauro Carvalho Chehab } 4990c0d06caSMauro Carvalho Chehab return rc; 5000c0d06caSMauro Carvalho Chehab } 5010c0d06caSMauro Carvalho Chehab 5020c0d06caSMauro Carvalho Chehab 5030c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 5040c0d06caSMauro Carvalho Chehab Videobuf operations 5050c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 5060c0d06caSMauro Carvalho Chehab 5070c0d06caSMauro Carvalho Chehab static int 5080c0d06caSMauro Carvalho Chehab buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) 5090c0d06caSMauro Carvalho Chehab { 5100c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5110c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5120c0d06caSMauro Carvalho Chehab struct v4l2_frequency f; 5130c0d06caSMauro Carvalho Chehab 5140c0d06caSMauro Carvalho Chehab *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) 5150c0d06caSMauro Carvalho Chehab >> 3; 5160c0d06caSMauro Carvalho Chehab 5170c0d06caSMauro Carvalho Chehab if (0 == *count) 5180c0d06caSMauro Carvalho Chehab *count = EM28XX_DEF_BUF; 5190c0d06caSMauro Carvalho Chehab 5200c0d06caSMauro Carvalho Chehab if (*count < EM28XX_MIN_BUF) 5210c0d06caSMauro Carvalho Chehab *count = EM28XX_MIN_BUF; 5220c0d06caSMauro Carvalho Chehab 5230c0d06caSMauro Carvalho Chehab /* Ask tuner to go to analog or radio mode */ 5240c0d06caSMauro Carvalho Chehab memset(&f, 0, sizeof(f)); 5250c0d06caSMauro Carvalho Chehab f.frequency = dev->ctl_freq; 5260c0d06caSMauro Carvalho Chehab f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 5270c0d06caSMauro Carvalho Chehab 5280c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); 5290c0d06caSMauro Carvalho Chehab 5300c0d06caSMauro Carvalho Chehab return 0; 5310c0d06caSMauro Carvalho Chehab } 5320c0d06caSMauro Carvalho Chehab 5330c0d06caSMauro Carvalho Chehab /* This is called *without* dev->slock held; please keep it that way */ 5340c0d06caSMauro Carvalho Chehab static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) 5350c0d06caSMauro Carvalho Chehab { 5360c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5370c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5380c0d06caSMauro Carvalho Chehab unsigned long flags = 0; 5390c0d06caSMauro Carvalho Chehab if (in_interrupt()) 5400c0d06caSMauro Carvalho Chehab BUG(); 5410c0d06caSMauro Carvalho Chehab 5420c0d06caSMauro Carvalho Chehab /* We used to wait for the buffer to finish here, but this didn't work 5430c0d06caSMauro Carvalho Chehab because, as we were keeping the state as VIDEOBUF_QUEUED, 5440c0d06caSMauro Carvalho Chehab videobuf_queue_cancel marked it as finished for us. 5450c0d06caSMauro Carvalho Chehab (Also, it could wedge forever if the hardware was misconfigured.) 5460c0d06caSMauro Carvalho Chehab 5470c0d06caSMauro Carvalho Chehab This should be safe; by the time we get here, the buffer isn't 5480c0d06caSMauro Carvalho Chehab queued anymore. If we ever start marking the buffers as 5490c0d06caSMauro Carvalho Chehab VIDEOBUF_ACTIVE, it won't be, though. 5500c0d06caSMauro Carvalho Chehab */ 5510c0d06caSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 55274209dc0SFrank Schaefer if (dev->usb_ctl.vid_buf == buf) 55374209dc0SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 5540c0d06caSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 5550c0d06caSMauro Carvalho Chehab 5560c0d06caSMauro Carvalho Chehab videobuf_vmalloc_free(&buf->vb); 5570c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_NEEDS_INIT; 5580c0d06caSMauro Carvalho Chehab } 5590c0d06caSMauro Carvalho Chehab 5600c0d06caSMauro Carvalho Chehab static int 5610c0d06caSMauro Carvalho Chehab buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, 5620c0d06caSMauro Carvalho Chehab enum v4l2_field field) 5630c0d06caSMauro Carvalho Chehab { 5640c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 5650c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 5660c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 5670c0d06caSMauro Carvalho Chehab int rc = 0, urb_init = 0; 5680c0d06caSMauro Carvalho Chehab 5690c0d06caSMauro Carvalho Chehab buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth 5700c0d06caSMauro Carvalho Chehab + 7) >> 3; 5710c0d06caSMauro Carvalho Chehab 5720c0d06caSMauro Carvalho Chehab if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 5730c0d06caSMauro Carvalho Chehab return -EINVAL; 5740c0d06caSMauro Carvalho Chehab 5750c0d06caSMauro Carvalho Chehab buf->vb.width = dev->width; 5760c0d06caSMauro Carvalho Chehab buf->vb.height = dev->height; 5770c0d06caSMauro Carvalho Chehab buf->vb.field = field; 5780c0d06caSMauro Carvalho Chehab 5790c0d06caSMauro Carvalho Chehab if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 5800c0d06caSMauro Carvalho Chehab rc = videobuf_iolock(vq, &buf->vb, NULL); 5810c0d06caSMauro Carvalho Chehab if (rc < 0) 5820c0d06caSMauro Carvalho Chehab goto fail; 5830c0d06caSMauro Carvalho Chehab } 5840c0d06caSMauro Carvalho Chehab 58574209dc0SFrank Schaefer if (!dev->usb_ctl.analog_bufs.num_bufs) 5860c0d06caSMauro Carvalho Chehab urb_init = 1; 5870c0d06caSMauro Carvalho Chehab 5880c0d06caSMauro Carvalho Chehab if (urb_init) { 5890455eebfSFrank Schaefer dev->capture_type = -1; 590c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 591c647a91aSFrank Schaefer dev->analog_xfer_bulk, 5920c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 5930c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 594c647a91aSFrank Schaefer dev->packet_multiplier, 5950fa4a402SFrank Schaefer em28xx_urb_data_copy); 5960c0d06caSMauro Carvalho Chehab if (rc < 0) 5970c0d06caSMauro Carvalho Chehab goto fail; 5980c0d06caSMauro Carvalho Chehab } 5990c0d06caSMauro Carvalho Chehab 6000c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_PREPARED; 6010c0d06caSMauro Carvalho Chehab return 0; 6020c0d06caSMauro Carvalho Chehab 6030c0d06caSMauro Carvalho Chehab fail: 6040c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 6050c0d06caSMauro Carvalho Chehab return rc; 6060c0d06caSMauro Carvalho Chehab } 6070c0d06caSMauro Carvalho Chehab 6080c0d06caSMauro Carvalho Chehab static void 6090c0d06caSMauro Carvalho Chehab buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 6100c0d06caSMauro Carvalho Chehab { 6110c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 6120c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 6130c0d06caSMauro Carvalho Chehab vb); 6140c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6150c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 6160c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 6170c0d06caSMauro Carvalho Chehab 6180c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_QUEUED; 6190c0d06caSMauro Carvalho Chehab list_add_tail(&buf->vb.queue, &vidq->active); 6200c0d06caSMauro Carvalho Chehab 6210c0d06caSMauro Carvalho Chehab } 6220c0d06caSMauro Carvalho Chehab 6230c0d06caSMauro Carvalho Chehab static void buffer_release(struct videobuf_queue *vq, 6240c0d06caSMauro Carvalho Chehab struct videobuf_buffer *vb) 6250c0d06caSMauro Carvalho Chehab { 6260c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 6270c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 6280c0d06caSMauro Carvalho Chehab vb); 6290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6300c0d06caSMauro Carvalho Chehab struct em28xx *dev = (struct em28xx *)fh->dev; 6310c0d06caSMauro Carvalho Chehab 6320c0d06caSMauro Carvalho Chehab em28xx_isocdbg("em28xx: called buffer_release\n"); 6330c0d06caSMauro Carvalho Chehab 6340c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 6350c0d06caSMauro Carvalho Chehab } 6360c0d06caSMauro Carvalho Chehab 6370c0d06caSMauro Carvalho Chehab static struct videobuf_queue_ops em28xx_video_qops = { 6380c0d06caSMauro Carvalho Chehab .buf_setup = buffer_setup, 6390c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 6400c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 6410c0d06caSMauro Carvalho Chehab .buf_release = buffer_release, 6420c0d06caSMauro Carvalho Chehab }; 6430c0d06caSMauro Carvalho Chehab 6440c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 6450c0d06caSMauro Carvalho Chehab 6460c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 6470c0d06caSMauro Carvalho Chehab { 6480c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 6490c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 6500c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 6510c0d06caSMauro Carvalho Chehab 6520c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 6530c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 6540c0d06caSMauro Carvalho Chehab 6550c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, 6560c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 6570c0d06caSMauro Carvalho Chehab 6580c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 6590c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 6600c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, 6610c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 6620c0d06caSMauro Carvalho Chehab } 6630c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 6640c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 6650c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 6660c0d06caSMauro Carvalho Chehab } 6670c0d06caSMauro Carvalho Chehab 6680c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 6690c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 6700c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 6710c0d06caSMauro Carvalho Chehab } 6720c0d06caSMauro Carvalho Chehab 6730c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 6740c0d06caSMauro Carvalho Chehab } 6750c0d06caSMauro Carvalho Chehab 6760c0d06caSMauro Carvalho Chehab /* Usage lock check functions */ 6770c0d06caSMauro Carvalho Chehab static int res_get(struct em28xx_fh *fh, unsigned int bit) 6780c0d06caSMauro Carvalho Chehab { 6790c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 6800c0d06caSMauro Carvalho Chehab 6810c0d06caSMauro Carvalho Chehab if (fh->resources & bit) 6820c0d06caSMauro Carvalho Chehab /* have it already allocated */ 6830c0d06caSMauro Carvalho Chehab return 1; 6840c0d06caSMauro Carvalho Chehab 6850c0d06caSMauro Carvalho Chehab /* is it free? */ 6860c0d06caSMauro Carvalho Chehab if (dev->resources & bit) { 6870c0d06caSMauro Carvalho Chehab /* no, someone else uses it */ 6880c0d06caSMauro Carvalho Chehab return 0; 6890c0d06caSMauro Carvalho Chehab } 6900c0d06caSMauro Carvalho Chehab /* it's free, grab it */ 6910c0d06caSMauro Carvalho Chehab fh->resources |= bit; 6920c0d06caSMauro Carvalho Chehab dev->resources |= bit; 6930c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: get %d\n", bit); 6940c0d06caSMauro Carvalho Chehab return 1; 6950c0d06caSMauro Carvalho Chehab } 6960c0d06caSMauro Carvalho Chehab 6970c0d06caSMauro Carvalho Chehab static int res_check(struct em28xx_fh *fh, unsigned int bit) 6980c0d06caSMauro Carvalho Chehab { 6990c0d06caSMauro Carvalho Chehab return fh->resources & bit; 7000c0d06caSMauro Carvalho Chehab } 7010c0d06caSMauro Carvalho Chehab 7020c0d06caSMauro Carvalho Chehab static int res_locked(struct em28xx *dev, unsigned int bit) 7030c0d06caSMauro Carvalho Chehab { 7040c0d06caSMauro Carvalho Chehab return dev->resources & bit; 7050c0d06caSMauro Carvalho Chehab } 7060c0d06caSMauro Carvalho Chehab 7070c0d06caSMauro Carvalho Chehab static void res_free(struct em28xx_fh *fh, unsigned int bits) 7080c0d06caSMauro Carvalho Chehab { 7090c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7100c0d06caSMauro Carvalho Chehab 7110c0d06caSMauro Carvalho Chehab BUG_ON((fh->resources & bits) != bits); 7120c0d06caSMauro Carvalho Chehab 7130c0d06caSMauro Carvalho Chehab fh->resources &= ~bits; 7140c0d06caSMauro Carvalho Chehab dev->resources &= ~bits; 7150c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: put %d\n", bits); 7160c0d06caSMauro Carvalho Chehab } 7170c0d06caSMauro Carvalho Chehab 7180c0d06caSMauro Carvalho Chehab static int get_ressource(struct em28xx_fh *fh) 7190c0d06caSMauro Carvalho Chehab { 7200c0d06caSMauro Carvalho Chehab switch (fh->type) { 7210c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 7220c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VIDEO; 7230c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 7240c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VBI; 7250c0d06caSMauro Carvalho Chehab default: 7260c0d06caSMauro Carvalho Chehab BUG(); 7270c0d06caSMauro Carvalho Chehab return 0; 7280c0d06caSMauro Carvalho Chehab } 7290c0d06caSMauro Carvalho Chehab } 7300c0d06caSMauro Carvalho Chehab 7310c0d06caSMauro Carvalho Chehab /* 7320c0d06caSMauro Carvalho Chehab * ac97_queryctrl() 7330c0d06caSMauro Carvalho Chehab * return the ac97 supported controls 7340c0d06caSMauro Carvalho Chehab */ 7350c0d06caSMauro Carvalho Chehab static int ac97_queryctrl(struct v4l2_queryctrl *qc) 7360c0d06caSMauro Carvalho Chehab { 7370c0d06caSMauro Carvalho Chehab int i; 7380c0d06caSMauro Carvalho Chehab 7390c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 7400c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 7410c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 7420c0d06caSMauro Carvalho Chehab return 0; 7430c0d06caSMauro Carvalho Chehab } 7440c0d06caSMauro Carvalho Chehab } 7450c0d06caSMauro Carvalho Chehab 7460c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 7470c0d06caSMauro Carvalho Chehab return 1; 7480c0d06caSMauro Carvalho Chehab } 7490c0d06caSMauro Carvalho Chehab 7500c0d06caSMauro Carvalho Chehab /* 7510c0d06caSMauro Carvalho Chehab * ac97_get_ctrl() 7520c0d06caSMauro Carvalho Chehab * return the current values for ac97 mute and volume 7530c0d06caSMauro Carvalho Chehab */ 7540c0d06caSMauro Carvalho Chehab static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) 7550c0d06caSMauro Carvalho Chehab { 7560c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 7570c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 7580c0d06caSMauro Carvalho Chehab ctrl->value = dev->mute; 7590c0d06caSMauro Carvalho Chehab return 0; 7600c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 7610c0d06caSMauro Carvalho Chehab ctrl->value = dev->volume; 7620c0d06caSMauro Carvalho Chehab return 0; 7630c0d06caSMauro Carvalho Chehab default: 7640c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 7650c0d06caSMauro Carvalho Chehab return 1; 7660c0d06caSMauro Carvalho Chehab } 7670c0d06caSMauro Carvalho Chehab } 7680c0d06caSMauro Carvalho Chehab 7690c0d06caSMauro Carvalho Chehab /* 7700c0d06caSMauro Carvalho Chehab * ac97_set_ctrl() 7710c0d06caSMauro Carvalho Chehab * set values for ac97 mute and volume 7720c0d06caSMauro Carvalho Chehab */ 7730c0d06caSMauro Carvalho Chehab static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) 7740c0d06caSMauro Carvalho Chehab { 7750c0d06caSMauro Carvalho Chehab int i; 7760c0d06caSMauro Carvalho Chehab 7770c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) 7780c0d06caSMauro Carvalho Chehab if (ctrl->id == ac97_qctrl[i].id) 7790c0d06caSMauro Carvalho Chehab goto handle; 7800c0d06caSMauro Carvalho Chehab 7810c0d06caSMauro Carvalho Chehab /* Announce that hasn't handle it */ 7820c0d06caSMauro Carvalho Chehab return 1; 7830c0d06caSMauro Carvalho Chehab 7840c0d06caSMauro Carvalho Chehab handle: 7850c0d06caSMauro Carvalho Chehab if (ctrl->value < ac97_qctrl[i].minimum || 7860c0d06caSMauro Carvalho Chehab ctrl->value > ac97_qctrl[i].maximum) 7870c0d06caSMauro Carvalho Chehab return -ERANGE; 7880c0d06caSMauro Carvalho Chehab 7890c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 7900c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 7910c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 7920c0d06caSMauro Carvalho Chehab break; 7930c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 7940c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 7950c0d06caSMauro Carvalho Chehab break; 7960c0d06caSMauro Carvalho Chehab } 7970c0d06caSMauro Carvalho Chehab 7980c0d06caSMauro Carvalho Chehab return em28xx_audio_analog_set(dev); 7990c0d06caSMauro Carvalho Chehab } 8000c0d06caSMauro Carvalho Chehab 8010c0d06caSMauro Carvalho Chehab static int check_dev(struct em28xx *dev) 8020c0d06caSMauro Carvalho Chehab { 8030c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 8040c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device not present\n"); 8050c0d06caSMauro Carvalho Chehab return -ENODEV; 8060c0d06caSMauro Carvalho Chehab } 8070c0d06caSMauro Carvalho Chehab 8080c0d06caSMauro Carvalho Chehab if (dev->state & DEV_MISCONFIGURED) { 8090c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device is misconfigured; " 8100c0d06caSMauro Carvalho Chehab "close and open it again\n"); 8110c0d06caSMauro Carvalho Chehab return -EIO; 8120c0d06caSMauro Carvalho Chehab } 8130c0d06caSMauro Carvalho Chehab return 0; 8140c0d06caSMauro Carvalho Chehab } 8150c0d06caSMauro Carvalho Chehab 8160c0d06caSMauro Carvalho Chehab static void get_scale(struct em28xx *dev, 8170c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 8180c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 8190c0d06caSMauro Carvalho Chehab { 8200c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 8210c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 8220c0d06caSMauro Carvalho Chehab 8230c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 8240c0d06caSMauro Carvalho Chehab if (*hscale >= 0x4000) 8250c0d06caSMauro Carvalho Chehab *hscale = 0x3fff; 8260c0d06caSMauro Carvalho Chehab 8270c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 8280c0d06caSMauro Carvalho Chehab if (*vscale >= 0x4000) 8290c0d06caSMauro Carvalho Chehab *vscale = 0x3fff; 8300c0d06caSMauro Carvalho Chehab } 8310c0d06caSMauro Carvalho Chehab 8320c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 8330c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 8340c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8350c0d06caSMauro Carvalho Chehab 8360c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 8370c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 8380c0d06caSMauro Carvalho Chehab { 8390c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 8400c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8410c0d06caSMauro Carvalho Chehab 8420c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 8430c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 8440c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 8450c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 8460c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 8470c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 8480c0d06caSMauro Carvalho Chehab 8490c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 8500c0d06caSMauro Carvalho Chehab if (dev->progressive) 8510c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 8520c0d06caSMauro Carvalho Chehab else 8530c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 8540c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 8550c0d06caSMauro Carvalho Chehab return 0; 8560c0d06caSMauro Carvalho Chehab } 8570c0d06caSMauro Carvalho Chehab 8580c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 8590c0d06caSMauro Carvalho Chehab { 8600c0d06caSMauro Carvalho Chehab unsigned int i; 8610c0d06caSMauro Carvalho Chehab 8620c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 8630c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 8640c0d06caSMauro Carvalho Chehab return &format[i]; 8650c0d06caSMauro Carvalho Chehab 8660c0d06caSMauro Carvalho Chehab return NULL; 8670c0d06caSMauro Carvalho Chehab } 8680c0d06caSMauro Carvalho Chehab 8690c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 8700c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 8710c0d06caSMauro Carvalho Chehab { 8720c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 8730c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8740c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 8750c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 8760c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 8770c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 8780c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 8790c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 8800c0d06caSMauro Carvalho Chehab 8810c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 8820c0d06caSMauro Carvalho Chehab if (!fmt) { 8830c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 8840c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 8850c0d06caSMauro Carvalho Chehab return -EINVAL; 8860c0d06caSMauro Carvalho Chehab } 8870c0d06caSMauro Carvalho Chehab 8880c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 8890c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 8900c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 8910c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 8920c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 8930c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 8940c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 8950c0d06caSMauro Carvalho Chehab width /= 2; 8960c0d06caSMauro Carvalho Chehab } else { 8970c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 8980c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 8990c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 9000c0d06caSMauro Carvalho Chehab 1, 0); 9010c0d06caSMauro Carvalho Chehab } 9020c0d06caSMauro Carvalho Chehab 9030c0d06caSMauro Carvalho Chehab get_scale(dev, width, height, &hscale, &vscale); 9040c0d06caSMauro Carvalho Chehab 9050c0d06caSMauro Carvalho Chehab width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 9060c0d06caSMauro Carvalho Chehab height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 9070c0d06caSMauro Carvalho Chehab 9080c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 9090c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 9100c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 9110c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; 9120c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 9130c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 9140c0d06caSMauro Carvalho Chehab if (dev->progressive) 9150c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 9160c0d06caSMauro Carvalho Chehab else 9170c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 9180c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 9190c0d06caSMauro Carvalho Chehab 9200c0d06caSMauro Carvalho Chehab return 0; 9210c0d06caSMauro Carvalho Chehab } 9220c0d06caSMauro Carvalho Chehab 9230c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 9240c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 9250c0d06caSMauro Carvalho Chehab { 9260c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 9270c0d06caSMauro Carvalho Chehab 9280c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 9290c0d06caSMauro Carvalho Chehab if (!fmt) 9300c0d06caSMauro Carvalho Chehab return -EINVAL; 9310c0d06caSMauro Carvalho Chehab 9320c0d06caSMauro Carvalho Chehab dev->format = fmt; 9330c0d06caSMauro Carvalho Chehab dev->width = width; 9340c0d06caSMauro Carvalho Chehab dev->height = height; 9350c0d06caSMauro Carvalho Chehab 9360c0d06caSMauro Carvalho Chehab /* set new image size */ 9370c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 9380c0d06caSMauro Carvalho Chehab 9390c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 9400c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 9410c0d06caSMauro Carvalho Chehab 9420c0d06caSMauro Carvalho Chehab return 0; 9430c0d06caSMauro Carvalho Chehab } 9440c0d06caSMauro Carvalho Chehab 9450c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 9460c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 9470c0d06caSMauro Carvalho Chehab { 9480c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9490c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9500c0d06caSMauro Carvalho Chehab int rc; 9510c0d06caSMauro Carvalho Chehab 9520c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9530c0d06caSMauro Carvalho Chehab if (rc < 0) 9540c0d06caSMauro Carvalho Chehab return rc; 9550c0d06caSMauro Carvalho Chehab 9560c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 9570c0d06caSMauro Carvalho Chehab 9580c0d06caSMauro Carvalho Chehab if (videobuf_queue_is_busy(&fh->vb_vidq)) { 9590c0d06caSMauro Carvalho Chehab em28xx_errdev("%s queue busy\n", __func__); 9600c0d06caSMauro Carvalho Chehab return -EBUSY; 9610c0d06caSMauro Carvalho Chehab } 9620c0d06caSMauro Carvalho Chehab 9630c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 9640c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 9650c0d06caSMauro Carvalho Chehab } 9660c0d06caSMauro Carvalho Chehab 9670c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 9680c0d06caSMauro Carvalho Chehab { 9690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9700c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9710c0d06caSMauro Carvalho Chehab int rc; 9720c0d06caSMauro Carvalho Chehab 9730c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9740c0d06caSMauro Carvalho Chehab if (rc < 0) 9750c0d06caSMauro Carvalho Chehab return rc; 9760c0d06caSMauro Carvalho Chehab 9770c0d06caSMauro Carvalho Chehab *norm = dev->norm; 9780c0d06caSMauro Carvalho Chehab 9790c0d06caSMauro Carvalho Chehab return 0; 9800c0d06caSMauro Carvalho Chehab } 9810c0d06caSMauro Carvalho Chehab 9820c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 9830c0d06caSMauro Carvalho Chehab { 9840c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 9850c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9860c0d06caSMauro Carvalho Chehab int rc; 9870c0d06caSMauro Carvalho Chehab 9880c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 9890c0d06caSMauro Carvalho Chehab if (rc < 0) 9900c0d06caSMauro Carvalho Chehab return rc; 9910c0d06caSMauro Carvalho Chehab 9920c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); 9930c0d06caSMauro Carvalho Chehab 9940c0d06caSMauro Carvalho Chehab return 0; 9950c0d06caSMauro Carvalho Chehab } 9960c0d06caSMauro Carvalho Chehab 9970c0d06caSMauro Carvalho Chehab static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) 9980c0d06caSMauro Carvalho Chehab { 9990c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10000c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10010c0d06caSMauro Carvalho Chehab struct v4l2_format f; 10020c0d06caSMauro Carvalho Chehab int rc; 10030c0d06caSMauro Carvalho Chehab 10040c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 10050c0d06caSMauro Carvalho Chehab if (rc < 0) 10060c0d06caSMauro Carvalho Chehab return rc; 10070c0d06caSMauro Carvalho Chehab 10080c0d06caSMauro Carvalho Chehab dev->norm = *norm; 10090c0d06caSMauro Carvalho Chehab 10100c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 10110c0d06caSMauro Carvalho Chehab f.fmt.pix.width = dev->width; 10120c0d06caSMauro Carvalho Chehab f.fmt.pix.height = dev->height; 10130c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 10140c0d06caSMauro Carvalho Chehab 10150c0d06caSMauro Carvalho Chehab /* set new image size */ 10160c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 10170c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 10180c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 10190c0d06caSMauro Carvalho Chehab 10200c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 10210c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 10220c0d06caSMauro Carvalho Chehab 10230c0d06caSMauro Carvalho Chehab return 0; 10240c0d06caSMauro Carvalho Chehab } 10250c0d06caSMauro Carvalho Chehab 10260c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 10270c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 10280c0d06caSMauro Carvalho Chehab { 10290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10300c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10310c0d06caSMauro Carvalho Chehab int rc = 0; 10320c0d06caSMauro Carvalho Chehab 10330c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 10340c0d06caSMauro Carvalho Chehab return -EINVAL; 10350c0d06caSMauro Carvalho Chehab 10360c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 10370c0d06caSMauro Carvalho Chehab rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, 10380c0d06caSMauro Carvalho Chehab video, g_parm, p); 10390c0d06caSMauro Carvalho Chehab else 10400c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 10410c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 10420c0d06caSMauro Carvalho Chehab 10430c0d06caSMauro Carvalho Chehab return rc; 10440c0d06caSMauro Carvalho Chehab } 10450c0d06caSMauro Carvalho Chehab 10460c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 10470c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 10480c0d06caSMauro Carvalho Chehab { 10490c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10500c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10510c0d06caSMauro Carvalho Chehab 10520c0d06caSMauro Carvalho Chehab if (!dev->board.is_webcam) 10530c0d06caSMauro Carvalho Chehab return -EINVAL; 10540c0d06caSMauro Carvalho Chehab 10550c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 10560c0d06caSMauro Carvalho Chehab return -EINVAL; 10570c0d06caSMauro Carvalho Chehab 10580c0d06caSMauro Carvalho Chehab return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); 10590c0d06caSMauro Carvalho Chehab } 10600c0d06caSMauro Carvalho Chehab 10610c0d06caSMauro Carvalho Chehab static const char *iname[] = { 10620c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 10630c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 10640c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 10650c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 10660c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 10670c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 10680c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 10690c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 10700c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 10710c0d06caSMauro Carvalho Chehab }; 10720c0d06caSMauro Carvalho Chehab 10730c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 10740c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 10750c0d06caSMauro Carvalho Chehab { 10760c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10770c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10780c0d06caSMauro Carvalho Chehab unsigned int n; 10790c0d06caSMauro Carvalho Chehab 10800c0d06caSMauro Carvalho Chehab n = i->index; 10810c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 10820c0d06caSMauro Carvalho Chehab return -EINVAL; 10830c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 10840c0d06caSMauro Carvalho Chehab return -EINVAL; 10850c0d06caSMauro Carvalho Chehab 10860c0d06caSMauro Carvalho Chehab i->index = n; 10870c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 10880c0d06caSMauro Carvalho Chehab 10890c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 10900c0d06caSMauro Carvalho Chehab 10910c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 10920c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 10930c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 10940c0d06caSMauro Carvalho Chehab 10950c0d06caSMauro Carvalho Chehab i->std = dev->vdev->tvnorms; 10960c0d06caSMauro Carvalho Chehab 10970c0d06caSMauro Carvalho Chehab return 0; 10980c0d06caSMauro Carvalho Chehab } 10990c0d06caSMauro Carvalho Chehab 11000c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 11010c0d06caSMauro Carvalho Chehab { 11020c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11030c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11040c0d06caSMauro Carvalho Chehab 11050c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 11060c0d06caSMauro Carvalho Chehab 11070c0d06caSMauro Carvalho Chehab return 0; 11080c0d06caSMauro Carvalho Chehab } 11090c0d06caSMauro Carvalho Chehab 11100c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 11110c0d06caSMauro Carvalho Chehab { 11120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11140c0d06caSMauro Carvalho Chehab int rc; 11150c0d06caSMauro Carvalho Chehab 11160c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11170c0d06caSMauro Carvalho Chehab if (rc < 0) 11180c0d06caSMauro Carvalho Chehab return rc; 11190c0d06caSMauro Carvalho Chehab 11200c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 11210c0d06caSMauro Carvalho Chehab return -EINVAL; 11220c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 11230c0d06caSMauro Carvalho Chehab return -EINVAL; 11240c0d06caSMauro Carvalho Chehab 11250c0d06caSMauro Carvalho Chehab video_mux(dev, i); 11260c0d06caSMauro Carvalho Chehab return 0; 11270c0d06caSMauro Carvalho Chehab } 11280c0d06caSMauro Carvalho Chehab 11290c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 11300c0d06caSMauro Carvalho Chehab { 11310c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11320c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11330c0d06caSMauro Carvalho Chehab 11340c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 11350c0d06caSMauro Carvalho Chehab return -EINVAL; 11360c0d06caSMauro Carvalho Chehab 11370c0d06caSMauro Carvalho Chehab switch (a->index) { 11380c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 11390c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 11400c0d06caSMauro Carvalho Chehab break; 11410c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 11420c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 11430c0d06caSMauro Carvalho Chehab break; 11440c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 11450c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 11460c0d06caSMauro Carvalho Chehab break; 11470c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 11480c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 11490c0d06caSMauro Carvalho Chehab break; 11500c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 11510c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 11520c0d06caSMauro Carvalho Chehab break; 11530c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 11540c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 11550c0d06caSMauro Carvalho Chehab break; 11560c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 11570c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 11580c0d06caSMauro Carvalho Chehab break; 11590c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 11600c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 11610c0d06caSMauro Carvalho Chehab break; 11620c0d06caSMauro Carvalho Chehab default: 11630c0d06caSMauro Carvalho Chehab return -EINVAL; 11640c0d06caSMauro Carvalho Chehab } 11650c0d06caSMauro Carvalho Chehab 11660c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 11670c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 11680c0d06caSMauro Carvalho Chehab 11690c0d06caSMauro Carvalho Chehab return 0; 11700c0d06caSMauro Carvalho Chehab } 11710c0d06caSMauro Carvalho Chehab 11720e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 11730c0d06caSMauro Carvalho Chehab { 11740c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11750c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11760c0d06caSMauro Carvalho Chehab 11770c0d06caSMauro Carvalho Chehab 11780c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 11790c0d06caSMauro Carvalho Chehab return -EINVAL; 11800c0d06caSMauro Carvalho Chehab 11810c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 11820c0d06caSMauro Carvalho Chehab return -EINVAL; 11830c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 11840c0d06caSMauro Carvalho Chehab return -EINVAL; 11850c0d06caSMauro Carvalho Chehab 11860c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 11870c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 11880c0d06caSMauro Carvalho Chehab 11890c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11900c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11910c0d06caSMauro Carvalho Chehab 11920c0d06caSMauro Carvalho Chehab return 0; 11930c0d06caSMauro Carvalho Chehab } 11940c0d06caSMauro Carvalho Chehab 11950c0d06caSMauro Carvalho Chehab static int vidioc_queryctrl(struct file *file, void *priv, 11960c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 11970c0d06caSMauro Carvalho Chehab { 11980c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11990c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12000c0d06caSMauro Carvalho Chehab int id = qc->id; 12010c0d06caSMauro Carvalho Chehab int rc; 12020c0d06caSMauro Carvalho Chehab 12030c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12040c0d06caSMauro Carvalho Chehab if (rc < 0) 12050c0d06caSMauro Carvalho Chehab return rc; 12060c0d06caSMauro Carvalho Chehab 12070c0d06caSMauro Carvalho Chehab memset(qc, 0, sizeof(*qc)); 12080c0d06caSMauro Carvalho Chehab 12090c0d06caSMauro Carvalho Chehab qc->id = id; 12100c0d06caSMauro Carvalho Chehab 12110c0d06caSMauro Carvalho Chehab /* enumerate AC97 controls */ 12120c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 12130c0d06caSMauro Carvalho Chehab rc = ac97_queryctrl(qc); 12140c0d06caSMauro Carvalho Chehab if (!rc) 12150c0d06caSMauro Carvalho Chehab return 0; 12160c0d06caSMauro Carvalho Chehab } 12170c0d06caSMauro Carvalho Chehab 12180c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 12190c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); 12200c0d06caSMauro Carvalho Chehab 12210c0d06caSMauro Carvalho Chehab if (qc->type) 12220c0d06caSMauro Carvalho Chehab return 0; 12230c0d06caSMauro Carvalho Chehab else 12240c0d06caSMauro Carvalho Chehab return -EINVAL; 12250c0d06caSMauro Carvalho Chehab } 12260c0d06caSMauro Carvalho Chehab 12270c0d06caSMauro Carvalho Chehab /* 12280c0d06caSMauro Carvalho Chehab * FIXME: This is an indirect way to check if a control exists at a 12290c0d06caSMauro Carvalho Chehab * subdev. Instead of that hack, maybe the better would be to change all 12300c0d06caSMauro Carvalho Chehab * subdevs to return -ENOIOCTLCMD, if an ioctl is not supported. 12310c0d06caSMauro Carvalho Chehab */ 12320c0d06caSMauro Carvalho Chehab static int check_subdev_ctrl(struct em28xx *dev, int id) 12330c0d06caSMauro Carvalho Chehab { 12340c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl qc; 12350c0d06caSMauro Carvalho Chehab 12360c0d06caSMauro Carvalho Chehab memset(&qc, 0, sizeof(qc)); 12370c0d06caSMauro Carvalho Chehab qc.id = id; 12380c0d06caSMauro Carvalho Chehab 12390c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 12400c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, &qc); 12410c0d06caSMauro Carvalho Chehab 12420c0d06caSMauro Carvalho Chehab if (qc.type) 12430c0d06caSMauro Carvalho Chehab return 0; 12440c0d06caSMauro Carvalho Chehab else 12450c0d06caSMauro Carvalho Chehab return -EINVAL; 12460c0d06caSMauro Carvalho Chehab } 12470c0d06caSMauro Carvalho Chehab 12480c0d06caSMauro Carvalho Chehab static int vidioc_g_ctrl(struct file *file, void *priv, 12490c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 12500c0d06caSMauro Carvalho Chehab { 12510c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12520c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12530c0d06caSMauro Carvalho Chehab int rc; 12540c0d06caSMauro Carvalho Chehab 12550c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12560c0d06caSMauro Carvalho Chehab if (rc < 0) 12570c0d06caSMauro Carvalho Chehab return rc; 12580c0d06caSMauro Carvalho Chehab rc = 0; 12590c0d06caSMauro Carvalho Chehab 12600c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 12610c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 12620c0d06caSMauro Carvalho Chehab rc = ac97_get_ctrl(dev, ctrl); 12630c0d06caSMauro Carvalho Chehab else 12640c0d06caSMauro Carvalho Chehab rc = 1; 12650c0d06caSMauro Carvalho Chehab 12660c0d06caSMauro Carvalho Chehab /* It were not an AC97 control. Sends it to the v4l2 dev interface */ 12670c0d06caSMauro Carvalho Chehab if (rc == 1) { 12680c0d06caSMauro Carvalho Chehab if (check_subdev_ctrl(dev, ctrl->id)) 12690c0d06caSMauro Carvalho Chehab return -EINVAL; 12700c0d06caSMauro Carvalho Chehab 12710c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); 12720c0d06caSMauro Carvalho Chehab rc = 0; 12730c0d06caSMauro Carvalho Chehab } 12740c0d06caSMauro Carvalho Chehab 12750c0d06caSMauro Carvalho Chehab return rc; 12760c0d06caSMauro Carvalho Chehab } 12770c0d06caSMauro Carvalho Chehab 12780c0d06caSMauro Carvalho Chehab static int vidioc_s_ctrl(struct file *file, void *priv, 12790c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 12800c0d06caSMauro Carvalho Chehab { 12810c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12820c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12830c0d06caSMauro Carvalho Chehab int rc; 12840c0d06caSMauro Carvalho Chehab 12850c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12860c0d06caSMauro Carvalho Chehab if (rc < 0) 12870c0d06caSMauro Carvalho Chehab return rc; 12880c0d06caSMauro Carvalho Chehab 12890c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 12900c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 12910c0d06caSMauro Carvalho Chehab rc = ac97_set_ctrl(dev, ctrl); 12920c0d06caSMauro Carvalho Chehab else 12930c0d06caSMauro Carvalho Chehab rc = 1; 12940c0d06caSMauro Carvalho Chehab 12950c0d06caSMauro Carvalho Chehab /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ 12960c0d06caSMauro Carvalho Chehab if (rc == 1) { 12970c0d06caSMauro Carvalho Chehab rc = check_subdev_ctrl(dev, ctrl->id); 12980c0d06caSMauro Carvalho Chehab if (!rc) 12990c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, 13000c0d06caSMauro Carvalho Chehab core, s_ctrl, ctrl); 13010c0d06caSMauro Carvalho Chehab /* 13020c0d06caSMauro Carvalho Chehab * In the case of non-AC97 volume controls, we still need 13030c0d06caSMauro Carvalho Chehab * to do some setups at em28xx, in order to mute/unmute 13040c0d06caSMauro Carvalho Chehab * and to adjust audio volume. However, the value ranges 13050c0d06caSMauro Carvalho Chehab * should be checked by the corresponding V4L subdriver. 13060c0d06caSMauro Carvalho Chehab */ 13070c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 13080c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 13090c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 13100c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 13110c0d06caSMauro Carvalho Chehab break; 13120c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 13130c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 13140c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 13150c0d06caSMauro Carvalho Chehab } 13160c0d06caSMauro Carvalho Chehab } 13170c0d06caSMauro Carvalho Chehab return (rc < 0) ? rc : 0; 13180c0d06caSMauro Carvalho Chehab } 13190c0d06caSMauro Carvalho Chehab 13200c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 13210c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 13220c0d06caSMauro Carvalho Chehab { 13230c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13240c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13250c0d06caSMauro Carvalho Chehab int rc; 13260c0d06caSMauro Carvalho Chehab 13270c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13280c0d06caSMauro Carvalho Chehab if (rc < 0) 13290c0d06caSMauro Carvalho Chehab return rc; 13300c0d06caSMauro Carvalho Chehab 13310c0d06caSMauro Carvalho Chehab if (0 != t->index) 13320c0d06caSMauro Carvalho Chehab return -EINVAL; 13330c0d06caSMauro Carvalho Chehab 13340c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 13350c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_ANALOG_TV; 13360c0d06caSMauro Carvalho Chehab 13370c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 13380c0d06caSMauro Carvalho Chehab return 0; 13390c0d06caSMauro Carvalho Chehab } 13400c0d06caSMauro Carvalho Chehab 13410c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 13420c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 13430c0d06caSMauro Carvalho Chehab { 13440c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13450c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13460c0d06caSMauro Carvalho Chehab int rc; 13470c0d06caSMauro Carvalho Chehab 13480c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13490c0d06caSMauro Carvalho Chehab if (rc < 0) 13500c0d06caSMauro Carvalho Chehab return rc; 13510c0d06caSMauro Carvalho Chehab 13520c0d06caSMauro Carvalho Chehab if (0 != t->index) 13530c0d06caSMauro Carvalho Chehab return -EINVAL; 13540c0d06caSMauro Carvalho Chehab 13550c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 13560c0d06caSMauro Carvalho Chehab return 0; 13570c0d06caSMauro Carvalho Chehab } 13580c0d06caSMauro Carvalho Chehab 13590c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 13600c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 13610c0d06caSMauro Carvalho Chehab { 13620c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13630c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13640c0d06caSMauro Carvalho Chehab 13650c0d06caSMauro Carvalho Chehab f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 13660c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 13670c0d06caSMauro Carvalho Chehab return 0; 13680c0d06caSMauro Carvalho Chehab } 13690c0d06caSMauro Carvalho Chehab 13700c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 13710c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 13720c0d06caSMauro Carvalho Chehab { 13730c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13740c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13750c0d06caSMauro Carvalho Chehab int rc; 13760c0d06caSMauro Carvalho Chehab 13770c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13780c0d06caSMauro Carvalho Chehab if (rc < 0) 13790c0d06caSMauro Carvalho Chehab return rc; 13800c0d06caSMauro Carvalho Chehab 13810c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 13820c0d06caSMauro Carvalho Chehab return -EINVAL; 13830c0d06caSMauro Carvalho Chehab 13840c0d06caSMauro Carvalho Chehab if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 13850c0d06caSMauro Carvalho Chehab return -EINVAL; 13860c0d06caSMauro Carvalho Chehab if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 13870c0d06caSMauro Carvalho Chehab return -EINVAL; 13880c0d06caSMauro Carvalho Chehab 13890c0d06caSMauro Carvalho Chehab dev->ctl_freq = f->frequency; 13900c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); 13910c0d06caSMauro Carvalho Chehab 13920c0d06caSMauro Carvalho Chehab return 0; 13930c0d06caSMauro Carvalho Chehab } 13940c0d06caSMauro Carvalho Chehab 13950c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 13960c0d06caSMauro Carvalho Chehab static int em28xx_reg_len(int reg) 13970c0d06caSMauro Carvalho Chehab { 13980c0d06caSMauro Carvalho Chehab switch (reg) { 13990c0d06caSMauro Carvalho Chehab case EM28XX_R40_AC97LSB: 14000c0d06caSMauro Carvalho Chehab case EM28XX_R30_HSCALELOW: 14010c0d06caSMauro Carvalho Chehab case EM28XX_R32_VSCALELOW: 14020c0d06caSMauro Carvalho Chehab return 2; 14030c0d06caSMauro Carvalho Chehab default: 14040c0d06caSMauro Carvalho Chehab return 1; 14050c0d06caSMauro Carvalho Chehab } 14060c0d06caSMauro Carvalho Chehab } 14070c0d06caSMauro Carvalho Chehab 14080c0d06caSMauro Carvalho Chehab static int vidioc_g_chip_ident(struct file *file, void *priv, 14090c0d06caSMauro Carvalho Chehab struct v4l2_dbg_chip_ident *chip) 14100c0d06caSMauro Carvalho Chehab { 14110c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14120c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14130c0d06caSMauro Carvalho Chehab 14140c0d06caSMauro Carvalho Chehab chip->ident = V4L2_IDENT_NONE; 14150c0d06caSMauro Carvalho Chehab chip->revision = 0; 14160c0d06caSMauro Carvalho Chehab 14170c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); 14180c0d06caSMauro Carvalho Chehab 14190c0d06caSMauro Carvalho Chehab return 0; 14200c0d06caSMauro Carvalho Chehab } 14210c0d06caSMauro Carvalho Chehab 14220c0d06caSMauro Carvalho Chehab 14230c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 14240c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 14250c0d06caSMauro Carvalho Chehab { 14260c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14270c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14280c0d06caSMauro Carvalho Chehab int ret; 14290c0d06caSMauro Carvalho Chehab 14300c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 14310c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 14320c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 14330c0d06caSMauro Carvalho Chehab if (ret < 0) 14340c0d06caSMauro Carvalho Chehab return ret; 14350c0d06caSMauro Carvalho Chehab 14360c0d06caSMauro Carvalho Chehab reg->val = ret; 14370c0d06caSMauro Carvalho Chehab reg->size = 1; 14380c0d06caSMauro Carvalho Chehab return 0; 14390c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 14400c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 14410c0d06caSMauro Carvalho Chehab return 0; 14420c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 14430c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 14440c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 14450c0d06caSMauro Carvalho Chehab return 0; 14460c0d06caSMauro Carvalho Chehab default: 14470c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 14480c0d06caSMauro Carvalho Chehab return -EINVAL; 14490c0d06caSMauro Carvalho Chehab } 14500c0d06caSMauro Carvalho Chehab 14510c0d06caSMauro Carvalho Chehab /* Match host */ 14520c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 14530c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 14540c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 14550c0d06caSMauro Carvalho Chehab 14560c0d06caSMauro Carvalho Chehab if (ret < 0) 14570c0d06caSMauro Carvalho Chehab return ret; 14580c0d06caSMauro Carvalho Chehab 14590c0d06caSMauro Carvalho Chehab reg->val = ret; 14600c0d06caSMauro Carvalho Chehab } else { 14610c0d06caSMauro Carvalho Chehab __le16 val = 0; 14620c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 14630c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 14640c0d06caSMauro Carvalho Chehab if (ret < 0) 14650c0d06caSMauro Carvalho Chehab return ret; 14660c0d06caSMauro Carvalho Chehab 14670c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 14680c0d06caSMauro Carvalho Chehab } 14690c0d06caSMauro Carvalho Chehab 14700c0d06caSMauro Carvalho Chehab return 0; 14710c0d06caSMauro Carvalho Chehab } 14720c0d06caSMauro Carvalho Chehab 14730c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 14740c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 14750c0d06caSMauro Carvalho Chehab { 14760c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14770c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14780c0d06caSMauro Carvalho Chehab __le16 buf; 14790c0d06caSMauro Carvalho Chehab 14800c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 14810c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 14820c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 14830c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 14840c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 14850c0d06caSMauro Carvalho Chehab return 0; 14860c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 14870c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 14880c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 14890c0d06caSMauro Carvalho Chehab return 0; 14900c0d06caSMauro Carvalho Chehab default: 14910c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 14920c0d06caSMauro Carvalho Chehab return -EINVAL; 14930c0d06caSMauro Carvalho Chehab } 14940c0d06caSMauro Carvalho Chehab 14950c0d06caSMauro Carvalho Chehab /* Match host */ 14960c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 14970c0d06caSMauro Carvalho Chehab 14980c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 14990c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 15000c0d06caSMauro Carvalho Chehab } 15010c0d06caSMauro Carvalho Chehab #endif 15020c0d06caSMauro Carvalho Chehab 15030c0d06caSMauro Carvalho Chehab 15040c0d06caSMauro Carvalho Chehab static int vidioc_cropcap(struct file *file, void *priv, 15050c0d06caSMauro Carvalho Chehab struct v4l2_cropcap *cc) 15060c0d06caSMauro Carvalho Chehab { 15070c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15080c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15090c0d06caSMauro Carvalho Chehab 15100c0d06caSMauro Carvalho Chehab if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 15110c0d06caSMauro Carvalho Chehab return -EINVAL; 15120c0d06caSMauro Carvalho Chehab 15130c0d06caSMauro Carvalho Chehab cc->bounds.left = 0; 15140c0d06caSMauro Carvalho Chehab cc->bounds.top = 0; 15150c0d06caSMauro Carvalho Chehab cc->bounds.width = dev->width; 15160c0d06caSMauro Carvalho Chehab cc->bounds.height = dev->height; 15170c0d06caSMauro Carvalho Chehab cc->defrect = cc->bounds; 15180c0d06caSMauro Carvalho Chehab cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ 15190c0d06caSMauro Carvalho Chehab cc->pixelaspect.denominator = 59; 15200c0d06caSMauro Carvalho Chehab 15210c0d06caSMauro Carvalho Chehab return 0; 15220c0d06caSMauro Carvalho Chehab } 15230c0d06caSMauro Carvalho Chehab 15240c0d06caSMauro Carvalho Chehab static int vidioc_streamon(struct file *file, void *priv, 15250c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 15260c0d06caSMauro Carvalho Chehab { 15270c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15280c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15290c0d06caSMauro Carvalho Chehab int rc = -EINVAL; 15300c0d06caSMauro Carvalho Chehab 15310c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15320c0d06caSMauro Carvalho Chehab if (rc < 0) 15330c0d06caSMauro Carvalho Chehab return rc; 15340c0d06caSMauro Carvalho Chehab 15350c0d06caSMauro Carvalho Chehab if (unlikely(type != fh->type)) 15360c0d06caSMauro Carvalho Chehab return -EINVAL; 15370c0d06caSMauro Carvalho Chehab 15380c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", 15390c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 15400c0d06caSMauro Carvalho Chehab 15410c0d06caSMauro Carvalho Chehab if (unlikely(!res_get(fh, get_ressource(fh)))) 15420c0d06caSMauro Carvalho Chehab return -EBUSY; 15430c0d06caSMauro Carvalho Chehab 15440c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 15450c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vidq); 15460c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 15470c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vbiq); 15480c0d06caSMauro Carvalho Chehab 15490c0d06caSMauro Carvalho Chehab return rc; 15500c0d06caSMauro Carvalho Chehab } 15510c0d06caSMauro Carvalho Chehab 15520c0d06caSMauro Carvalho Chehab static int vidioc_streamoff(struct file *file, void *priv, 15530c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 15540c0d06caSMauro Carvalho Chehab { 15550c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15560c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15570c0d06caSMauro Carvalho Chehab int rc; 15580c0d06caSMauro Carvalho Chehab 15590c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15600c0d06caSMauro Carvalho Chehab if (rc < 0) 15610c0d06caSMauro Carvalho Chehab return rc; 15620c0d06caSMauro Carvalho Chehab 15630c0d06caSMauro Carvalho Chehab if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 15640c0d06caSMauro Carvalho Chehab fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) 15650c0d06caSMauro Carvalho Chehab return -EINVAL; 15660c0d06caSMauro Carvalho Chehab if (type != fh->type) 15670c0d06caSMauro Carvalho Chehab return -EINVAL; 15680c0d06caSMauro Carvalho Chehab 15690c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", 15700c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 15710c0d06caSMauro Carvalho Chehab 15720c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 15730c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 15740c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vidq); 15750c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 15760c0d06caSMauro Carvalho Chehab } 15770c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 15780c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 15790c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vbiq); 15800c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 15810c0d06caSMauro Carvalho Chehab } 15820c0d06caSMauro Carvalho Chehab } 15830c0d06caSMauro Carvalho Chehab 15840c0d06caSMauro Carvalho Chehab return 0; 15850c0d06caSMauro Carvalho Chehab } 15860c0d06caSMauro Carvalho Chehab 15870c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 15880c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 15890c0d06caSMauro Carvalho Chehab { 15900c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15910c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15920c0d06caSMauro Carvalho Chehab 15930c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 15940c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 15950c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 15960c0d06caSMauro Carvalho Chehab 15970c0d06caSMauro Carvalho Chehab cap->capabilities = 15980c0d06caSMauro Carvalho Chehab V4L2_CAP_SLICED_VBI_CAPTURE | 15990c0d06caSMauro Carvalho Chehab V4L2_CAP_VIDEO_CAPTURE | 16000c0d06caSMauro Carvalho Chehab V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 16010c0d06caSMauro Carvalho Chehab 16020c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 16030c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 16040c0d06caSMauro Carvalho Chehab 16050c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 16060c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_AUDIO; 16070c0d06caSMauro Carvalho Chehab 16080c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 16090c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_TUNER; 16100c0d06caSMauro Carvalho Chehab 16110c0d06caSMauro Carvalho Chehab return 0; 16120c0d06caSMauro Carvalho Chehab } 16130c0d06caSMauro Carvalho Chehab 16140c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 16150c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 16160c0d06caSMauro Carvalho Chehab { 16170c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 16180c0d06caSMauro Carvalho Chehab return -EINVAL; 16190c0d06caSMauro Carvalho Chehab 16200c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 16210c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 16220c0d06caSMauro Carvalho Chehab 16230c0d06caSMauro Carvalho Chehab return 0; 16240c0d06caSMauro Carvalho Chehab } 16250c0d06caSMauro Carvalho Chehab 16260c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 16270c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 16280c0d06caSMauro Carvalho Chehab { 16290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16300c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16310c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 16320c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 16330c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 16340c0d06caSMauro Carvalho Chehab 16350c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 16360c0d06caSMauro Carvalho Chehab if (!fmt) { 16370c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 16380c0d06caSMauro Carvalho Chehab fsize->pixel_format); 16390c0d06caSMauro Carvalho Chehab return -EINVAL; 16400c0d06caSMauro Carvalho Chehab } 16410c0d06caSMauro Carvalho Chehab 16420c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 16430c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 16440c0d06caSMauro Carvalho Chehab return -EINVAL; 16450c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 16460c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 16470c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 16480c0d06caSMauro Carvalho Chehab return 0; 16490c0d06caSMauro Carvalho Chehab } 16500c0d06caSMauro Carvalho Chehab 16510c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 16520c0d06caSMauro Carvalho Chehab return -EINVAL; 16530c0d06caSMauro Carvalho Chehab 16540c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 16550c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 16560c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 16570c0d06caSMauro Carvalho Chehab fsize->stepwise.min_height = 32; 16580c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 16590c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 16600c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 16610c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 16620c0d06caSMauro Carvalho Chehab return 0; 16630c0d06caSMauro Carvalho Chehab } 16640c0d06caSMauro Carvalho Chehab 16650c0d06caSMauro Carvalho Chehab /* Sliced VBI ioctls */ 16660c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, 16670c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 16680c0d06caSMauro Carvalho Chehab { 16690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16700c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16710c0d06caSMauro Carvalho Chehab int rc; 16720c0d06caSMauro Carvalho Chehab 16730c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 16740c0d06caSMauro Carvalho Chehab if (rc < 0) 16750c0d06caSMauro Carvalho Chehab return rc; 16760c0d06caSMauro Carvalho Chehab 16770c0d06caSMauro Carvalho Chehab f->fmt.sliced.service_set = 0; 16780c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 16790c0d06caSMauro Carvalho Chehab 16800c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 16810c0d06caSMauro Carvalho Chehab rc = -EINVAL; 16820c0d06caSMauro Carvalho Chehab 16830c0d06caSMauro Carvalho Chehab return rc; 16840c0d06caSMauro Carvalho Chehab } 16850c0d06caSMauro Carvalho Chehab 16860c0d06caSMauro Carvalho Chehab static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, 16870c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 16880c0d06caSMauro Carvalho Chehab { 16890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16910c0d06caSMauro Carvalho Chehab int rc; 16920c0d06caSMauro Carvalho Chehab 16930c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 16940c0d06caSMauro Carvalho Chehab if (rc < 0) 16950c0d06caSMauro Carvalho Chehab return rc; 16960c0d06caSMauro Carvalho Chehab 16970c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 16980c0d06caSMauro Carvalho Chehab 16990c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 17000c0d06caSMauro Carvalho Chehab return -EINVAL; 17010c0d06caSMauro Carvalho Chehab 17020c0d06caSMauro Carvalho Chehab return 0; 17030c0d06caSMauro Carvalho Chehab } 17040c0d06caSMauro Carvalho Chehab 17050c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17060c0d06caSMauro Carvalho Chehab 17070c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 17080c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17090c0d06caSMauro Carvalho Chehab { 17100c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17110c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17120c0d06caSMauro Carvalho Chehab 17130c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17140c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17150c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17160c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17170c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17180c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17190c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17200c0d06caSMauro Carvalho Chehab 17210c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17220c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17230c0d06caSMauro Carvalho Chehab /* NTSC */ 17240c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17250c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 17260c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 17270c0d06caSMauro Carvalho Chehab /* PAL */ 17280c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 17290c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 17300c0d06caSMauro Carvalho Chehab } 17310c0d06caSMauro Carvalho Chehab 17320c0d06caSMauro Carvalho Chehab return 0; 17330c0d06caSMauro Carvalho Chehab } 17340c0d06caSMauro Carvalho Chehab 17350c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, 17360c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17370c0d06caSMauro Carvalho Chehab { 17380c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17390c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17400c0d06caSMauro Carvalho Chehab 17410c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17420c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17430c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17440c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17450c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17460c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17470c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17480c0d06caSMauro Carvalho Chehab 17490c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17500c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17510c0d06caSMauro Carvalho Chehab /* NTSC */ 17520c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17530c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 17540c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 17550c0d06caSMauro Carvalho Chehab /* PAL */ 17560c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 17570c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 17580c0d06caSMauro Carvalho Chehab } 17590c0d06caSMauro Carvalho Chehab 17600c0d06caSMauro Carvalho Chehab return 0; 17610c0d06caSMauro Carvalho Chehab } 17620c0d06caSMauro Carvalho Chehab 17630c0d06caSMauro Carvalho Chehab static int vidioc_reqbufs(struct file *file, void *priv, 17640c0d06caSMauro Carvalho Chehab struct v4l2_requestbuffers *rb) 17650c0d06caSMauro Carvalho Chehab { 17660c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17670c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17680c0d06caSMauro Carvalho Chehab int rc; 17690c0d06caSMauro Carvalho Chehab 17700c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17710c0d06caSMauro Carvalho Chehab if (rc < 0) 17720c0d06caSMauro Carvalho Chehab return rc; 17730c0d06caSMauro Carvalho Chehab 17740c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17750c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vidq, rb); 17760c0d06caSMauro Carvalho Chehab else 17770c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vbiq, rb); 17780c0d06caSMauro Carvalho Chehab } 17790c0d06caSMauro Carvalho Chehab 17800c0d06caSMauro Carvalho Chehab static int vidioc_querybuf(struct file *file, void *priv, 17810c0d06caSMauro Carvalho Chehab struct v4l2_buffer *b) 17820c0d06caSMauro Carvalho Chehab { 17830c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17840c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17850c0d06caSMauro Carvalho Chehab int rc; 17860c0d06caSMauro Carvalho Chehab 17870c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17880c0d06caSMauro Carvalho Chehab if (rc < 0) 17890c0d06caSMauro Carvalho Chehab return rc; 17900c0d06caSMauro Carvalho Chehab 17910c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17920c0d06caSMauro Carvalho Chehab return videobuf_querybuf(&fh->vb_vidq, b); 17930c0d06caSMauro Carvalho Chehab else { 17940c0d06caSMauro Carvalho Chehab /* FIXME: I'm not sure yet whether this is a bug in zvbi or 17950c0d06caSMauro Carvalho Chehab the videobuf framework, but we probably shouldn't be 17960c0d06caSMauro Carvalho Chehab returning a buffer larger than that which was asked for. 17970c0d06caSMauro Carvalho Chehab At a minimum, it causes a crash in zvbi since it does 17980c0d06caSMauro Carvalho Chehab a memcpy based on the source buffer length */ 17990c0d06caSMauro Carvalho Chehab int result = videobuf_querybuf(&fh->vb_vbiq, b); 18000c0d06caSMauro Carvalho Chehab b->length = dev->vbi_width * dev->vbi_height * 2; 18010c0d06caSMauro Carvalho Chehab 18020c0d06caSMauro Carvalho Chehab return result; 18030c0d06caSMauro Carvalho Chehab } 18040c0d06caSMauro Carvalho Chehab } 18050c0d06caSMauro Carvalho Chehab 18060c0d06caSMauro Carvalho Chehab static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 18070c0d06caSMauro Carvalho Chehab { 18080c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18090c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18100c0d06caSMauro Carvalho Chehab int rc; 18110c0d06caSMauro Carvalho Chehab 18120c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18130c0d06caSMauro Carvalho Chehab if (rc < 0) 18140c0d06caSMauro Carvalho Chehab return rc; 18150c0d06caSMauro Carvalho Chehab 18160c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 18170c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vidq, b); 18180c0d06caSMauro Carvalho Chehab else 18190c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vbiq, b); 18200c0d06caSMauro Carvalho Chehab } 18210c0d06caSMauro Carvalho Chehab 18220c0d06caSMauro Carvalho Chehab static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 18230c0d06caSMauro Carvalho Chehab { 18240c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18250c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18260c0d06caSMauro Carvalho Chehab int rc; 18270c0d06caSMauro Carvalho Chehab 18280c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18290c0d06caSMauro Carvalho Chehab if (rc < 0) 18300c0d06caSMauro Carvalho Chehab return rc; 18310c0d06caSMauro Carvalho Chehab 18320c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 18330c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & 18340c0d06caSMauro Carvalho Chehab O_NONBLOCK); 18350c0d06caSMauro Carvalho Chehab else 18360c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & 18370c0d06caSMauro Carvalho Chehab O_NONBLOCK); 18380c0d06caSMauro Carvalho Chehab } 18390c0d06caSMauro Carvalho Chehab 18400c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18410c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18420c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18430c0d06caSMauro Carvalho Chehab 18440c0d06caSMauro Carvalho Chehab static int radio_querycap(struct file *file, void *priv, 18450c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 18460c0d06caSMauro Carvalho Chehab { 18470c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18480c0d06caSMauro Carvalho Chehab 18490c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 18500c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 18510c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 18520c0d06caSMauro Carvalho Chehab 18530c0d06caSMauro Carvalho Chehab cap->capabilities = V4L2_CAP_TUNER; 18540c0d06caSMauro Carvalho Chehab return 0; 18550c0d06caSMauro Carvalho Chehab } 18560c0d06caSMauro Carvalho Chehab 18570c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18580c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18590c0d06caSMauro Carvalho Chehab { 18600c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18610c0d06caSMauro Carvalho Chehab 18620c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18630c0d06caSMauro Carvalho Chehab return -EINVAL; 18640c0d06caSMauro Carvalho Chehab 18650c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18660c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_RADIO; 18670c0d06caSMauro Carvalho Chehab 18680c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 18690c0d06caSMauro Carvalho Chehab 18700c0d06caSMauro Carvalho Chehab return 0; 18710c0d06caSMauro Carvalho Chehab } 18720c0d06caSMauro Carvalho Chehab 18730c0d06caSMauro Carvalho Chehab static int radio_enum_input(struct file *file, void *priv, 18740c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 18750c0d06caSMauro Carvalho Chehab { 18760c0d06caSMauro Carvalho Chehab if (i->index != 0) 18770c0d06caSMauro Carvalho Chehab return -EINVAL; 18780c0d06caSMauro Carvalho Chehab strcpy(i->name, "Radio"); 18790c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 18800c0d06caSMauro Carvalho Chehab 18810c0d06caSMauro Carvalho Chehab return 0; 18820c0d06caSMauro Carvalho Chehab } 18830c0d06caSMauro Carvalho Chehab 18840c0d06caSMauro Carvalho Chehab static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 18850c0d06caSMauro Carvalho Chehab { 18860c0d06caSMauro Carvalho Chehab if (unlikely(a->index)) 18870c0d06caSMauro Carvalho Chehab return -EINVAL; 18880c0d06caSMauro Carvalho Chehab 18890c0d06caSMauro Carvalho Chehab strcpy(a->name, "Radio"); 18900c0d06caSMauro Carvalho Chehab return 0; 18910c0d06caSMauro Carvalho Chehab } 18920c0d06caSMauro Carvalho Chehab 18930c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18940c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18950c0d06caSMauro Carvalho Chehab { 18960c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18970c0d06caSMauro Carvalho Chehab 18980c0d06caSMauro Carvalho Chehab if (0 != t->index) 18990c0d06caSMauro Carvalho Chehab return -EINVAL; 19000c0d06caSMauro Carvalho Chehab 19010c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 19020c0d06caSMauro Carvalho Chehab 19030c0d06caSMauro Carvalho Chehab return 0; 19040c0d06caSMauro Carvalho Chehab } 19050c0d06caSMauro Carvalho Chehab 19060c0d06caSMauro Carvalho Chehab static int radio_s_audio(struct file *file, void *fh, 19070e8025b9SHans Verkuil const struct v4l2_audio *a) 19080c0d06caSMauro Carvalho Chehab { 19090c0d06caSMauro Carvalho Chehab return 0; 19100c0d06caSMauro Carvalho Chehab } 19110c0d06caSMauro Carvalho Chehab 19120c0d06caSMauro Carvalho Chehab static int radio_s_input(struct file *file, void *fh, unsigned int i) 19130c0d06caSMauro Carvalho Chehab { 19140c0d06caSMauro Carvalho Chehab return 0; 19150c0d06caSMauro Carvalho Chehab } 19160c0d06caSMauro Carvalho Chehab 19170c0d06caSMauro Carvalho Chehab static int radio_queryctrl(struct file *file, void *priv, 19180c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 19190c0d06caSMauro Carvalho Chehab { 19200c0d06caSMauro Carvalho Chehab int i; 19210c0d06caSMauro Carvalho Chehab 19220c0d06caSMauro Carvalho Chehab if (qc->id < V4L2_CID_BASE || 19230c0d06caSMauro Carvalho Chehab qc->id >= V4L2_CID_LASTP1) 19240c0d06caSMauro Carvalho Chehab return -EINVAL; 19250c0d06caSMauro Carvalho Chehab 19260c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 19270c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 19280c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 19290c0d06caSMauro Carvalho Chehab return 0; 19300c0d06caSMauro Carvalho Chehab } 19310c0d06caSMauro Carvalho Chehab } 19320c0d06caSMauro Carvalho Chehab 19330c0d06caSMauro Carvalho Chehab return -EINVAL; 19340c0d06caSMauro Carvalho Chehab } 19350c0d06caSMauro Carvalho Chehab 19360c0d06caSMauro Carvalho Chehab /* 19370c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 19380c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 19390c0d06caSMauro Carvalho Chehab */ 19400c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 19410c0d06caSMauro Carvalho Chehab { 19420c0d06caSMauro Carvalho Chehab int errCode = 0, radio = 0; 19430c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 19440c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 19450c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 19460c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 19470c0d06caSMauro Carvalho Chehab enum v4l2_field field; 19480c0d06caSMauro Carvalho Chehab 19490c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 19500c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 19510c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 19520c0d06caSMauro Carvalho Chehab break; 19530c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 19540c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 19550c0d06caSMauro Carvalho Chehab break; 19560c0d06caSMauro Carvalho Chehab case VFL_TYPE_RADIO: 19570c0d06caSMauro Carvalho Chehab radio = 1; 19580c0d06caSMauro Carvalho Chehab break; 19590c0d06caSMauro Carvalho Chehab } 19600c0d06caSMauro Carvalho Chehab 19610c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 19620c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 19630c0d06caSMauro Carvalho Chehab dev->users); 19640c0d06caSMauro Carvalho Chehab 19650c0d06caSMauro Carvalho Chehab 19660c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19670c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19680c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 19690c0d06caSMauro Carvalho Chehab if (!fh) { 19700c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 19710c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19720c0d06caSMauro Carvalho Chehab return -ENOMEM; 19730c0d06caSMauro Carvalho Chehab } 19740c0d06caSMauro Carvalho Chehab fh->dev = dev; 19750c0d06caSMauro Carvalho Chehab fh->radio = radio; 19760c0d06caSMauro Carvalho Chehab fh->type = fh_type; 19770c0d06caSMauro Carvalho Chehab filp->private_data = fh; 19780c0d06caSMauro Carvalho Chehab 19790c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { 19800c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19810c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 19820c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19830c0d06caSMauro Carvalho Chehab 19840c0d06caSMauro Carvalho Chehab /* Needed, since GPIO might have disabled power of 19850c0d06caSMauro Carvalho Chehab some i2c device 19860c0d06caSMauro Carvalho Chehab */ 19870c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19880c0d06caSMauro Carvalho Chehab 19890c0d06caSMauro Carvalho Chehab } 19900c0d06caSMauro Carvalho Chehab if (fh->radio) { 19910c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 19920c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); 19930c0d06caSMauro Carvalho Chehab } 19940c0d06caSMauro Carvalho Chehab 19950c0d06caSMauro Carvalho Chehab dev->users++; 19960c0d06caSMauro Carvalho Chehab 19970c0d06caSMauro Carvalho Chehab if (dev->progressive) 19980c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_NONE; 19990c0d06caSMauro Carvalho Chehab else 20000c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_INTERLACED; 20010c0d06caSMauro Carvalho Chehab 20020c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, 20030c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 20040c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VIDEO_CAPTURE, field, 20050c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 20060c0d06caSMauro Carvalho Chehab 20070c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops, 20080c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 20090c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VBI_CAPTURE, 20100c0d06caSMauro Carvalho Chehab V4L2_FIELD_SEQ_TB, 20110c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 20120c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 20130c0d06caSMauro Carvalho Chehab 20140c0d06caSMauro Carvalho Chehab return errCode; 20150c0d06caSMauro Carvalho Chehab } 20160c0d06caSMauro Carvalho Chehab 20170c0d06caSMauro Carvalho Chehab /* 20180c0d06caSMauro Carvalho Chehab * em28xx_realease_resources() 20190c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 20200c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 20210c0d06caSMauro Carvalho Chehab */ 20220c0d06caSMauro Carvalho Chehab void em28xx_release_analog_resources(struct em28xx *dev) 20230c0d06caSMauro Carvalho Chehab { 20240c0d06caSMauro Carvalho Chehab 20250c0d06caSMauro Carvalho Chehab /*FIXME: I2C IR should be disconnected */ 20260c0d06caSMauro Carvalho Chehab 20270c0d06caSMauro Carvalho Chehab if (dev->radio_dev) { 20280c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->radio_dev)) 20290c0d06caSMauro Carvalho Chehab video_unregister_device(dev->radio_dev); 20300c0d06caSMauro Carvalho Chehab else 20310c0d06caSMauro Carvalho Chehab video_device_release(dev->radio_dev); 20320c0d06caSMauro Carvalho Chehab dev->radio_dev = NULL; 20330c0d06caSMauro Carvalho Chehab } 20340c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) { 20350c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 20360c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 20370c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vbi_dev)) 20380c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vbi_dev); 20390c0d06caSMauro Carvalho Chehab else 20400c0d06caSMauro Carvalho Chehab video_device_release(dev->vbi_dev); 20410c0d06caSMauro Carvalho Chehab dev->vbi_dev = NULL; 20420c0d06caSMauro Carvalho Chehab } 20430c0d06caSMauro Carvalho Chehab if (dev->vdev) { 20440c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 20450c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 20460c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vdev)) 20470c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vdev); 20480c0d06caSMauro Carvalho Chehab else 20490c0d06caSMauro Carvalho Chehab video_device_release(dev->vdev); 20500c0d06caSMauro Carvalho Chehab dev->vdev = NULL; 20510c0d06caSMauro Carvalho Chehab } 20520c0d06caSMauro Carvalho Chehab } 20530c0d06caSMauro Carvalho Chehab 20540c0d06caSMauro Carvalho Chehab /* 20550c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20560c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20570c0d06caSMauro Carvalho Chehab * calls and ioctls 20580c0d06caSMauro Carvalho Chehab */ 20590c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20600c0d06caSMauro Carvalho Chehab { 20610c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20620c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 20630c0d06caSMauro Carvalho Chehab int errCode; 20640c0d06caSMauro Carvalho Chehab 20650c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20660c0d06caSMauro Carvalho Chehab 20670c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 20680c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 20690c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vidq); 20700c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 20710c0d06caSMauro Carvalho Chehab } 20720c0d06caSMauro Carvalho Chehab 20730c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 20740c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vbiq); 20750c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 20760c0d06caSMauro Carvalho Chehab } 20770c0d06caSMauro Carvalho Chehab 20780c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 20790c0d06caSMauro Carvalho Chehab /* the device is already disconnect, 20800c0d06caSMauro Carvalho Chehab free the remaining resources */ 20810c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 20820c0d06caSMauro Carvalho Chehab em28xx_release_resources(dev); 20830cf544a6SFrank Schaefer kfree(dev->alt_max_pkt_size_isoc); 2084e36c92fdSDan Carpenter mutex_unlock(&dev->lock); 20850c0d06caSMauro Carvalho Chehab kfree(dev); 20860c0d06caSMauro Carvalho Chehab kfree(fh); 20870c0d06caSMauro Carvalho Chehab return 0; 20880c0d06caSMauro Carvalho Chehab } 20890c0d06caSMauro Carvalho Chehab 20900c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 20910c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); 20920c0d06caSMauro Carvalho Chehab 20930c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 2094afb177e0SFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 20950c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20960c0d06caSMauro Carvalho Chehab 20970c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20980c0d06caSMauro Carvalho Chehab dev->alt = 0; 20990c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 21000c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 21010c0d06caSMauro Carvalho Chehab if (errCode < 0) { 21020c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 21030c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 21040c0d06caSMauro Carvalho Chehab } 21050c0d06caSMauro Carvalho Chehab } 21060c0d06caSMauro Carvalho Chehab 21070c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vidq); 21080c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vbiq); 21090c0d06caSMauro Carvalho Chehab kfree(fh); 21100c0d06caSMauro Carvalho Chehab dev->users--; 21110c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21120c0d06caSMauro Carvalho Chehab return 0; 21130c0d06caSMauro Carvalho Chehab } 21140c0d06caSMauro Carvalho Chehab 21150c0d06caSMauro Carvalho Chehab /* 21160c0d06caSMauro Carvalho Chehab * em28xx_v4l2_read() 21170c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 21180c0d06caSMauro Carvalho Chehab */ 21190c0d06caSMauro Carvalho Chehab static ssize_t 21200c0d06caSMauro Carvalho Chehab em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, 21210c0d06caSMauro Carvalho Chehab loff_t *pos) 21220c0d06caSMauro Carvalho Chehab { 21230c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21240c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21250c0d06caSMauro Carvalho Chehab int rc; 21260c0d06caSMauro Carvalho Chehab 21270c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 21280c0d06caSMauro Carvalho Chehab if (rc < 0) 21290c0d06caSMauro Carvalho Chehab return rc; 21300c0d06caSMauro Carvalho Chehab 21310c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 21320c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 21330c0d06caSMauro Carvalho Chehab /* FIXME: read() is not prepared to allow changing the video 21340c0d06caSMauro Carvalho Chehab resolution while streaming. Seems a bug at em28xx_set_fmt 21350c0d06caSMauro Carvalho Chehab */ 21360c0d06caSMauro Carvalho Chehab 21370c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 21380c0d06caSMauro Carvalho Chehab if (res_locked(dev, EM28XX_RESOURCE_VIDEO)) 21390c0d06caSMauro Carvalho Chehab rc = -EBUSY; 21400c0d06caSMauro Carvalho Chehab else 21410c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, 21420c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 21430c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 21440c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 21450c0d06caSMauro Carvalho Chehab rc = -EBUSY; 21460c0d06caSMauro Carvalho Chehab else 21470c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, 21480c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 21490c0d06caSMauro Carvalho Chehab } 21500c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21510c0d06caSMauro Carvalho Chehab 21520c0d06caSMauro Carvalho Chehab return rc; 21530c0d06caSMauro Carvalho Chehab } 21540c0d06caSMauro Carvalho Chehab 21550c0d06caSMauro Carvalho Chehab /* 21560c0d06caSMauro Carvalho Chehab * em28xx_poll() 21570c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 21580c0d06caSMauro Carvalho Chehab */ 21590c0d06caSMauro Carvalho Chehab static unsigned int em28xx_poll(struct file *filp, poll_table *wait) 21600c0d06caSMauro Carvalho Chehab { 21610c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21620c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21630c0d06caSMauro Carvalho Chehab int rc; 21640c0d06caSMauro Carvalho Chehab 21650c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 21660c0d06caSMauro Carvalho Chehab if (rc < 0) 21670c0d06caSMauro Carvalho Chehab return rc; 21680c0d06caSMauro Carvalho Chehab 21690c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 21700c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VIDEO)) 21710c0d06caSMauro Carvalho Chehab return POLLERR; 21720c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vidq, wait); 21730c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 21740c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 21750c0d06caSMauro Carvalho Chehab return POLLERR; 21760c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); 21770c0d06caSMauro Carvalho Chehab } else { 21780c0d06caSMauro Carvalho Chehab return POLLERR; 21790c0d06caSMauro Carvalho Chehab } 21800c0d06caSMauro Carvalho Chehab } 21810c0d06caSMauro Carvalho Chehab 21820c0d06caSMauro Carvalho Chehab static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) 21830c0d06caSMauro Carvalho Chehab { 21840c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 21850c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 21860c0d06caSMauro Carvalho Chehab unsigned int res; 21870c0d06caSMauro Carvalho Chehab 21880c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 21890c0d06caSMauro Carvalho Chehab res = em28xx_poll(filp, wait); 21900c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21910c0d06caSMauro Carvalho Chehab return res; 21920c0d06caSMauro Carvalho Chehab } 21930c0d06caSMauro Carvalho Chehab 21940c0d06caSMauro Carvalho Chehab /* 21950c0d06caSMauro Carvalho Chehab * em28xx_v4l2_mmap() 21960c0d06caSMauro Carvalho Chehab */ 21970c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) 21980c0d06caSMauro Carvalho Chehab { 21990c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 22000c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 22010c0d06caSMauro Carvalho Chehab int rc; 22020c0d06caSMauro Carvalho Chehab 22030c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 22040c0d06caSMauro Carvalho Chehab if (rc < 0) 22050c0d06caSMauro Carvalho Chehab return rc; 22060c0d06caSMauro Carvalho Chehab 22070c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 22080c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 22090c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 22100c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); 22110c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 22120c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); 22130c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 22140c0d06caSMauro Carvalho Chehab 22150c0d06caSMauro Carvalho Chehab em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", 22160c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_start, 22170c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, 22180c0d06caSMauro Carvalho Chehab rc); 22190c0d06caSMauro Carvalho Chehab 22200c0d06caSMauro Carvalho Chehab return rc; 22210c0d06caSMauro Carvalho Chehab } 22220c0d06caSMauro Carvalho Chehab 22230c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 22240c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22250c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22260c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 22270c0d06caSMauro Carvalho Chehab .read = em28xx_v4l2_read, 22280c0d06caSMauro Carvalho Chehab .poll = em28xx_v4l2_poll, 22290c0d06caSMauro Carvalho Chehab .mmap = em28xx_v4l2_mmap, 22300c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22310c0d06caSMauro Carvalho Chehab }; 22320c0d06caSMauro Carvalho Chehab 22330c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 22340c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 22350c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 22360c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 22370c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 22380c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 22390c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 22400c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 22410c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 22420c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 22430c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 22440c0d06caSMauro Carvalho Chehab .vidioc_cropcap = vidioc_cropcap, 22450c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, 22460c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 22470c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 22480c0d06caSMauro Carvalho Chehab 22490c0d06caSMauro Carvalho Chehab .vidioc_reqbufs = vidioc_reqbufs, 22500c0d06caSMauro Carvalho Chehab .vidioc_querybuf = vidioc_querybuf, 22510c0d06caSMauro Carvalho Chehab .vidioc_qbuf = vidioc_qbuf, 22520c0d06caSMauro Carvalho Chehab .vidioc_dqbuf = vidioc_dqbuf, 22530c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 22540c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 22550c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 22560c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 22570c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 22580c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 22590c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 22600c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 22610c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = vidioc_queryctrl, 22620c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 22630c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 22640c0d06caSMauro Carvalho Chehab .vidioc_streamon = vidioc_streamon, 22650c0d06caSMauro Carvalho Chehab .vidioc_streamoff = vidioc_streamoff, 22660c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 22670c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 22680c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 22690c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 22700c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 22710c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 22720c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 22730c0d06caSMauro Carvalho Chehab .vidioc_g_chip_ident = vidioc_g_chip_ident, 22740c0d06caSMauro Carvalho Chehab #endif 22750c0d06caSMauro Carvalho Chehab }; 22760c0d06caSMauro Carvalho Chehab 22770c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 22780c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 22790c0d06caSMauro Carvalho Chehab .release = video_device_release, 22800c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 22810c0d06caSMauro Carvalho Chehab 22820c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 22830c0d06caSMauro Carvalho Chehab .current_norm = V4L2_STD_PAL, 22840c0d06caSMauro Carvalho Chehab }; 22850c0d06caSMauro Carvalho Chehab 22860c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 22870c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22880c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22890c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 22900c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22910c0d06caSMauro Carvalho Chehab }; 22920c0d06caSMauro Carvalho Chehab 22930c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 22940c0d06caSMauro Carvalho Chehab .vidioc_querycap = radio_querycap, 22950c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 22960c0d06caSMauro Carvalho Chehab .vidioc_enum_input = radio_enum_input, 22970c0d06caSMauro Carvalho Chehab .vidioc_g_audio = radio_g_audio, 22980c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 22990c0d06caSMauro Carvalho Chehab .vidioc_s_audio = radio_s_audio, 23000c0d06caSMauro Carvalho Chehab .vidioc_s_input = radio_s_input, 23010c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = radio_queryctrl, 23020c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 23030c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 23040c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 23050c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 23060c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 23070c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 23080c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 23090c0d06caSMauro Carvalho Chehab #endif 23100c0d06caSMauro Carvalho Chehab }; 23110c0d06caSMauro Carvalho Chehab 23120c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 23130c0d06caSMauro Carvalho Chehab .name = "em28xx-radio", 23140c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 23150c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 23160c0d06caSMauro Carvalho Chehab }; 23170c0d06caSMauro Carvalho Chehab 23180c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 23190c0d06caSMauro Carvalho Chehab 23200c0d06caSMauro Carvalho Chehab 23210c0d06caSMauro Carvalho Chehab 23220c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 23230c0d06caSMauro Carvalho Chehab const struct video_device *template, 23240c0d06caSMauro Carvalho Chehab const char *type_name) 23250c0d06caSMauro Carvalho Chehab { 23260c0d06caSMauro Carvalho Chehab struct video_device *vfd; 23270c0d06caSMauro Carvalho Chehab 23280c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 23290c0d06caSMauro Carvalho Chehab if (NULL == vfd) 23300c0d06caSMauro Carvalho Chehab return NULL; 23310c0d06caSMauro Carvalho Chehab 23320c0d06caSMauro Carvalho Chehab *vfd = *template; 23330c0d06caSMauro Carvalho Chehab vfd->v4l2_dev = &dev->v4l2_dev; 23340c0d06caSMauro Carvalho Chehab vfd->release = video_device_release; 23350c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 23360c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 23370c0d06caSMauro Carvalho Chehab 23380c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 23390c0d06caSMauro Carvalho Chehab dev->name, type_name); 23400c0d06caSMauro Carvalho Chehab 23410c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 23420c0d06caSMauro Carvalho Chehab return vfd; 23430c0d06caSMauro Carvalho Chehab } 23440c0d06caSMauro Carvalho Chehab 23450c0d06caSMauro Carvalho Chehab int em28xx_register_analog_devices(struct em28xx *dev) 23460c0d06caSMauro Carvalho Chehab { 23470c0d06caSMauro Carvalho Chehab u8 val; 23480c0d06caSMauro Carvalho Chehab int ret; 23490c0d06caSMauro Carvalho Chehab unsigned int maxw; 23500c0d06caSMauro Carvalho Chehab 23510c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s: v4l2 driver version %s\n", 23520c0d06caSMauro Carvalho Chehab dev->name, EM28XX_VERSION); 23530c0d06caSMauro Carvalho Chehab 23540c0d06caSMauro Carvalho Chehab /* set default norm */ 23550c0d06caSMauro Carvalho Chehab dev->norm = em28xx_video_template.current_norm; 23560c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 23570c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 23580c0d06caSMauro Carvalho Chehab 23590c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 23600c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 23610c0d06caSMauro Carvalho Chehab 23620c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 23630c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 23640c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 23650c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 23660c0d06caSMauro Carvalho Chehab maxw /= 2; 23670c0d06caSMauro Carvalho Chehab 23680c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 23690c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 23700c0d06caSMauro Carvalho Chehab 23710c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 23720c0d06caSMauro Carvalho Chehab 23730c0d06caSMauro Carvalho Chehab /* Audio defaults */ 23740c0d06caSMauro Carvalho Chehab dev->mute = 1; 23750c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 23760c0d06caSMauro Carvalho Chehab 23770c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 23780c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 23790c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 23800c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 23810c0d06caSMauro Carvalho Chehab 23820c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 23830c0d06caSMauro Carvalho Chehab em28xx_colorlevels_set_default(dev); 23840c0d06caSMauro Carvalho Chehab em28xx_compression_disable(dev); 23850c0d06caSMauro Carvalho Chehab 23860c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 23870c0d06caSMauro Carvalho Chehab dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 23880c0d06caSMauro Carvalho Chehab if (!dev->vdev) { 23890c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 23900c0d06caSMauro Carvalho Chehab return -ENODEV; 23910c0d06caSMauro Carvalho Chehab } 23920c0d06caSMauro Carvalho Chehab 23930c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 23940c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, 23950c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 23960c0d06caSMauro Carvalho Chehab if (ret) { 23970c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 23980c0d06caSMauro Carvalho Chehab ret); 23990c0d06caSMauro Carvalho Chehab return ret; 24000c0d06caSMauro Carvalho Chehab } 24010c0d06caSMauro Carvalho Chehab 24020c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 24030c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 24040c0d06caSMauro Carvalho Chehab dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 24050c0d06caSMauro Carvalho Chehab "vbi"); 24060c0d06caSMauro Carvalho Chehab 24070c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 24080c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 24090c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 24100c0d06caSMauro Carvalho Chehab if (ret < 0) { 24110c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 24120c0d06caSMauro Carvalho Chehab return ret; 24130c0d06caSMauro Carvalho Chehab } 24140c0d06caSMauro Carvalho Chehab } 24150c0d06caSMauro Carvalho Chehab 24160c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 24170c0d06caSMauro Carvalho Chehab dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 24180c0d06caSMauro Carvalho Chehab "radio"); 24190c0d06caSMauro Carvalho Chehab if (!dev->radio_dev) { 24200c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 24210c0d06caSMauro Carvalho Chehab return -ENODEV; 24220c0d06caSMauro Carvalho Chehab } 24230c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, 24240c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 24250c0d06caSMauro Carvalho Chehab if (ret < 0) { 24260c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 24270c0d06caSMauro Carvalho Chehab return ret; 24280c0d06caSMauro Carvalho Chehab } 24290c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 24300c0d06caSMauro Carvalho Chehab video_device_node_name(dev->radio_dev)); 24310c0d06caSMauro Carvalho Chehab } 24320c0d06caSMauro Carvalho Chehab 24330c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 24340c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 24350c0d06caSMauro Carvalho Chehab 24360c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 24370c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 24380c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 24390c0d06caSMauro Carvalho Chehab 24400c0d06caSMauro Carvalho Chehab return 0; 24410c0d06caSMauro Carvalho Chehab } 2442