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 /* 1570c0d06caSMauro Carvalho Chehab * Announces that a buffer were filled and request the next 1580c0d06caSMauro Carvalho Chehab */ 1590c0d06caSMauro Carvalho Chehab static inline void buffer_filled(struct em28xx *dev, 1600c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1610c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 1620c0d06caSMauro Carvalho Chehab { 1630c0d06caSMauro Carvalho Chehab /* Advice that buffer was filled */ 1640c0d06caSMauro Carvalho Chehab em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); 1650c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_DONE; 1660c0d06caSMauro Carvalho Chehab buf->vb.field_count++; 1678e6057b5SSakari Ailus v4l2_get_timestamp(&buf->vb.ts); 1680c0d06caSMauro Carvalho Chehab 16974209dc0SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 1700c0d06caSMauro Carvalho Chehab 1710c0d06caSMauro Carvalho Chehab list_del(&buf->vb.queue); 1720c0d06caSMauro Carvalho Chehab wake_up(&buf->vb.done); 1730c0d06caSMauro Carvalho Chehab } 1740c0d06caSMauro Carvalho Chehab 1750c0d06caSMauro Carvalho Chehab static inline void vbi_buffer_filled(struct em28xx *dev, 1760c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1770c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 1780c0d06caSMauro Carvalho Chehab { 1790c0d06caSMauro Carvalho Chehab /* Advice that buffer was filled */ 1800c0d06caSMauro Carvalho Chehab em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); 1810c0d06caSMauro Carvalho Chehab 1820c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_DONE; 1830c0d06caSMauro Carvalho Chehab buf->vb.field_count++; 1848e6057b5SSakari Ailus v4l2_get_timestamp(&buf->vb.ts); 1850c0d06caSMauro Carvalho Chehab 18674209dc0SFrank Schaefer dev->usb_ctl.vbi_buf = NULL; 1870c0d06caSMauro Carvalho Chehab 1880c0d06caSMauro Carvalho Chehab list_del(&buf->vb.queue); 1890c0d06caSMauro Carvalho Chehab wake_up(&buf->vb.done); 1900c0d06caSMauro Carvalho Chehab } 1910c0d06caSMauro Carvalho Chehab 1920c0d06caSMauro Carvalho Chehab /* 1930c0d06caSMauro Carvalho Chehab * Identify the buffer header type and properly handles 1940c0d06caSMauro Carvalho Chehab */ 1950c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 1960c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1970c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 1980c0d06caSMauro Carvalho Chehab unsigned char *p, 1990c0d06caSMauro Carvalho Chehab unsigned char *outp, unsigned long len) 2000c0d06caSMauro Carvalho Chehab { 2010c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 2020c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 2030c0d06caSMauro Carvalho Chehab int bytesperline = dev->width << 1; 2040c0d06caSMauro Carvalho Chehab 2050c0d06caSMauro Carvalho Chehab if (dma_q->pos + len > buf->vb.size) 2060c0d06caSMauro Carvalho Chehab len = buf->vb.size - dma_q->pos; 2070c0d06caSMauro Carvalho Chehab 2080c0d06caSMauro Carvalho Chehab startread = p; 2090c0d06caSMauro Carvalho Chehab remain = len; 2100c0d06caSMauro Carvalho Chehab 211c02ec71bSFrank Schaefer if (dev->progressive || buf->top_field) 2120c0d06caSMauro Carvalho Chehab fieldstart = outp; 213c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 2140c0d06caSMauro Carvalho Chehab fieldstart = outp + bytesperline; 2150c0d06caSMauro Carvalho Chehab 2160c0d06caSMauro Carvalho Chehab linesdone = dma_q->pos / bytesperline; 2170c0d06caSMauro Carvalho Chehab currlinedone = dma_q->pos % bytesperline; 2180c0d06caSMauro Carvalho Chehab 2190c0d06caSMauro Carvalho Chehab if (dev->progressive) 2200c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 2210c0d06caSMauro Carvalho Chehab else 2220c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 2230c0d06caSMauro Carvalho Chehab 2240c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 2250c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 2260c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 2270c0d06caSMauro Carvalho Chehab 2280c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { 2290c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", 2300c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2310c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2320c0d06caSMauro Carvalho Chehab remain = (char *)outp + buf->vb.size - (char *)startwrite; 2330c0d06caSMauro Carvalho Chehab lencopy = remain; 2340c0d06caSMauro Carvalho Chehab } 2350c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2360c0d06caSMauro Carvalho Chehab return; 2370c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2380c0d06caSMauro Carvalho Chehab 2390c0d06caSMauro Carvalho Chehab remain -= lencopy; 2400c0d06caSMauro Carvalho Chehab 2410c0d06caSMauro Carvalho Chehab while (remain > 0) { 242c02ec71bSFrank Schaefer if (dev->progressive) 243c02ec71bSFrank Schaefer startwrite += lencopy; 244c02ec71bSFrank Schaefer else 2450c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 2460c0d06caSMauro Carvalho Chehab startread += lencopy; 2470c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 2480c0d06caSMauro Carvalho Chehab lencopy = remain; 2490c0d06caSMauro Carvalho Chehab else 2500c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 2510c0d06caSMauro Carvalho Chehab 2520c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + 2530c0d06caSMauro Carvalho Chehab buf->vb.size) { 2540c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end" 2550c0d06caSMauro Carvalho Chehab "(2)\n", 2560c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2570c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2580c0d06caSMauro Carvalho Chehab lencopy = remain = (char *)outp + buf->vb.size - 2590c0d06caSMauro Carvalho Chehab (char *)startwrite; 2600c0d06caSMauro Carvalho Chehab } 2610c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2620c0d06caSMauro Carvalho Chehab break; 2630c0d06caSMauro Carvalho Chehab 2640c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2650c0d06caSMauro Carvalho Chehab 2660c0d06caSMauro Carvalho Chehab remain -= lencopy; 2670c0d06caSMauro Carvalho Chehab } 2680c0d06caSMauro Carvalho Chehab 2690c0d06caSMauro Carvalho Chehab dma_q->pos += len; 2700c0d06caSMauro Carvalho Chehab } 2710c0d06caSMauro Carvalho Chehab 2720c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 2730c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 2740c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 2750c0d06caSMauro Carvalho Chehab unsigned char *p, 2760c0d06caSMauro Carvalho Chehab unsigned char *outp, unsigned long len) 2770c0d06caSMauro Carvalho Chehab { 2780c0d06caSMauro Carvalho Chehab void *startwrite, *startread; 2790c0d06caSMauro Carvalho Chehab int offset; 2800c0d06caSMauro Carvalho Chehab int bytesperline; 2810c0d06caSMauro Carvalho Chehab 2820c0d06caSMauro Carvalho Chehab if (dev == NULL) { 2830c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dev is null\n"); 2840c0d06caSMauro Carvalho Chehab return; 2850c0d06caSMauro Carvalho Chehab } 2860c0d06caSMauro Carvalho Chehab bytesperline = dev->vbi_width; 2870c0d06caSMauro Carvalho Chehab 2880c0d06caSMauro Carvalho Chehab if (dma_q == NULL) { 2890c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dma_q is null\n"); 2900c0d06caSMauro Carvalho Chehab return; 2910c0d06caSMauro Carvalho Chehab } 2920c0d06caSMauro Carvalho Chehab if (buf == NULL) { 2930c0d06caSMauro Carvalho Chehab return; 2940c0d06caSMauro Carvalho Chehab } 2950c0d06caSMauro Carvalho Chehab if (p == NULL) { 2960c0d06caSMauro Carvalho Chehab em28xx_isocdbg("p is null\n"); 2970c0d06caSMauro Carvalho Chehab return; 2980c0d06caSMauro Carvalho Chehab } 2990c0d06caSMauro Carvalho Chehab if (outp == NULL) { 3000c0d06caSMauro Carvalho Chehab em28xx_isocdbg("outp is null\n"); 3010c0d06caSMauro Carvalho Chehab return; 3020c0d06caSMauro Carvalho Chehab } 3030c0d06caSMauro Carvalho Chehab 3040c0d06caSMauro Carvalho Chehab if (dma_q->pos + len > buf->vb.size) 3050c0d06caSMauro Carvalho Chehab len = buf->vb.size - dma_q->pos; 3060c0d06caSMauro Carvalho Chehab 3070c0d06caSMauro Carvalho Chehab startread = p; 3080c0d06caSMauro Carvalho Chehab 3090c0d06caSMauro Carvalho Chehab startwrite = outp + dma_q->pos; 3100c0d06caSMauro Carvalho Chehab offset = dma_q->pos; 3110c0d06caSMauro Carvalho Chehab 3120c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 3130c0d06caSMauro Carvalho Chehab if (buf->top_field == 0) { 3140c0d06caSMauro Carvalho Chehab startwrite += bytesperline * dev->vbi_height; 3150c0d06caSMauro Carvalho Chehab offset += bytesperline * dev->vbi_height; 3160c0d06caSMauro Carvalho Chehab } 3170c0d06caSMauro Carvalho Chehab 3180c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, len); 3190c0d06caSMauro Carvalho Chehab dma_q->pos += len; 3200c0d06caSMauro Carvalho Chehab } 3210c0d06caSMauro Carvalho Chehab 3220c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 3230c0d06caSMauro Carvalho Chehab int packet, int status) 3240c0d06caSMauro Carvalho Chehab { 3250c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 3260c0d06caSMauro Carvalho Chehab 3270c0d06caSMauro Carvalho Chehab switch (status) { 3280c0d06caSMauro Carvalho Chehab case -ENOENT: 3290c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 3300c0d06caSMauro Carvalho Chehab break; 3310c0d06caSMauro Carvalho Chehab case -ECONNRESET: 3320c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 3330c0d06caSMauro Carvalho Chehab break; 3340c0d06caSMauro Carvalho Chehab case -ENOSR: 3350c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 3360c0d06caSMauro Carvalho Chehab break; 3370c0d06caSMauro Carvalho Chehab case -EPIPE: 3380c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 3390c0d06caSMauro Carvalho Chehab break; 3400c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 3410c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 3420c0d06caSMauro Carvalho Chehab break; 3430c0d06caSMauro Carvalho Chehab case -EPROTO: 3440c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 3450c0d06caSMauro Carvalho Chehab break; 3460c0d06caSMauro Carvalho Chehab case -EILSEQ: 3470c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 3480c0d06caSMauro Carvalho Chehab break; 3490c0d06caSMauro Carvalho Chehab case -ETIME: 3500c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 3510c0d06caSMauro Carvalho Chehab break; 3520c0d06caSMauro Carvalho Chehab } 3530c0d06caSMauro Carvalho Chehab if (packet < 0) { 3540c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 3550c0d06caSMauro Carvalho Chehab } else { 3560c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 3570c0d06caSMauro Carvalho Chehab packet, status, errmsg); 3580c0d06caSMauro Carvalho Chehab } 3590c0d06caSMauro Carvalho Chehab } 3600c0d06caSMauro Carvalho Chehab 3610c0d06caSMauro Carvalho Chehab /* 3620c0d06caSMauro Carvalho Chehab * video-buf generic routine to get the next available buffer 3630c0d06caSMauro Carvalho Chehab */ 3640c0d06caSMauro Carvalho Chehab static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, 3650c0d06caSMauro Carvalho Chehab struct em28xx_buffer **buf) 3660c0d06caSMauro Carvalho Chehab { 3670c0d06caSMauro Carvalho Chehab struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); 3680c0d06caSMauro Carvalho Chehab char *outp; 3690c0d06caSMauro Carvalho Chehab 3700c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 3710c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 37274209dc0SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 3730c0d06caSMauro Carvalho Chehab *buf = NULL; 3740c0d06caSMauro Carvalho Chehab return; 3750c0d06caSMauro Carvalho Chehab } 3760c0d06caSMauro Carvalho Chehab 3770c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 3780c0d06caSMauro Carvalho Chehab *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); 3790c0d06caSMauro Carvalho Chehab 3800c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 3810c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&(*buf)->vb); 3820c0d06caSMauro Carvalho Chehab memset(outp, 0, (*buf)->vb.size); 3830c0d06caSMauro Carvalho Chehab 38474209dc0SFrank Schaefer dev->usb_ctl.vid_buf = *buf; 3850c0d06caSMauro Carvalho Chehab 3860c0d06caSMauro Carvalho Chehab return; 3870c0d06caSMauro Carvalho Chehab } 3880c0d06caSMauro Carvalho Chehab 3890c0d06caSMauro Carvalho Chehab /* 3900c0d06caSMauro Carvalho Chehab * video-buf generic routine to get the next available VBI buffer 3910c0d06caSMauro Carvalho Chehab */ 3920c0d06caSMauro Carvalho Chehab static inline void vbi_get_next_buf(struct em28xx_dmaqueue *dma_q, 3930c0d06caSMauro Carvalho Chehab struct em28xx_buffer **buf) 3940c0d06caSMauro Carvalho Chehab { 3950c0d06caSMauro Carvalho Chehab struct em28xx *dev = container_of(dma_q, struct em28xx, vbiq); 3960c0d06caSMauro Carvalho Chehab char *outp; 3970c0d06caSMauro Carvalho Chehab 3980c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 3990c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 40074209dc0SFrank Schaefer dev->usb_ctl.vbi_buf = NULL; 4010c0d06caSMauro Carvalho Chehab *buf = NULL; 4020c0d06caSMauro Carvalho Chehab return; 4030c0d06caSMauro Carvalho Chehab } 4040c0d06caSMauro Carvalho Chehab 4050c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 4060c0d06caSMauro Carvalho Chehab *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); 4070c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 4080c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&(*buf)->vb); 4090c0d06caSMauro Carvalho Chehab memset(outp, 0x00, (*buf)->vb.size); 4100c0d06caSMauro Carvalho Chehab 41174209dc0SFrank Schaefer dev->usb_ctl.vbi_buf = *buf; 4120c0d06caSMauro Carvalho Chehab 4130c0d06caSMauro Carvalho Chehab return; 4140c0d06caSMauro Carvalho Chehab } 4150c0d06caSMauro Carvalho Chehab 4160fa4a402SFrank Schaefer /* Processes and copies the URB data content to a frame buffer queue */ 4170fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 4180c0d06caSMauro Carvalho Chehab { 4190c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf; 4200c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 4210fa4a402SFrank Schaefer int xfer_bulk, num_packets, i, rc = 1; 4220fa4a402SFrank Schaefer unsigned int actual_length, len = 0; 4230fa4a402SFrank Schaefer unsigned char *p, *outp = NULL; 4240c0d06caSMauro Carvalho Chehab 4250c0d06caSMauro Carvalho Chehab if (!dev) 4260c0d06caSMauro Carvalho Chehab return 0; 4270c0d06caSMauro Carvalho Chehab 4280c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 4290c0d06caSMauro Carvalho Chehab return 0; 4300c0d06caSMauro Carvalho Chehab 4311653cb0cSFrank Schaefer if (urb->status < 0) 4320c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 4330c0d06caSMauro Carvalho Chehab 4340fa4a402SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 4350fa4a402SFrank Schaefer 43674209dc0SFrank Schaefer buf = dev->usb_ctl.vid_buf; 4370c0d06caSMauro Carvalho Chehab if (buf != NULL) 4380c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 4390c0d06caSMauro Carvalho Chehab 4400fa4a402SFrank Schaefer if (xfer_bulk) /* bulk */ 4410fa4a402SFrank Schaefer num_packets = 1; 4420fa4a402SFrank Schaefer else /* isoc */ 4430fa4a402SFrank Schaefer num_packets = urb->number_of_packets; 4440c0d06caSMauro Carvalho Chehab 4450fa4a402SFrank Schaefer for (i = 0; i < num_packets; i++) { 4460fa4a402SFrank Schaefer if (xfer_bulk) { /* bulk */ 4470fa4a402SFrank Schaefer actual_length = urb->actual_length; 4480fa4a402SFrank Schaefer 4490fa4a402SFrank Schaefer p = urb->transfer_buffer; 4500fa4a402SFrank Schaefer } else { /* isoc */ 4510fa4a402SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 4520fa4a402SFrank Schaefer print_err_status(dev, i, 4530fa4a402SFrank Schaefer urb->iso_frame_desc[i].status); 4540c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 4550c0d06caSMauro Carvalho Chehab continue; 4560c0d06caSMauro Carvalho Chehab } 4570c0d06caSMauro Carvalho Chehab 4580fa4a402SFrank Schaefer actual_length = urb->iso_frame_desc[i].actual_length; 4590fa4a402SFrank Schaefer if (actual_length > dev->max_pkt_size) { 4600c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 4610c0d06caSMauro Carvalho Chehab continue; 4620c0d06caSMauro Carvalho Chehab } 4630c0d06caSMauro Carvalho Chehab 4640fa4a402SFrank Schaefer p = urb->transfer_buffer + 4650fa4a402SFrank Schaefer urb->iso_frame_desc[i].offset; 4660fa4a402SFrank Schaefer } 4670fa4a402SFrank Schaefer 4680fa4a402SFrank Schaefer if (actual_length <= 0) { 4690fa4a402SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 4700fa4a402SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 4710fa4a402SFrank Schaefer continue; 4720fa4a402SFrank Schaefer } 4730c0d06caSMauro Carvalho Chehab 4740c0d06caSMauro Carvalho Chehab /* FIXME: incomplete buffer checks where removed to make 4750c0d06caSMauro Carvalho Chehab logic simpler. Impacts of those changes should be evaluated 4760c0d06caSMauro Carvalho Chehab */ 4770c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { 4780c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI HEADER!!!\n"); 4790c0d06caSMauro Carvalho Chehab /* FIXME: Should add vbi copy */ 4800c0d06caSMauro Carvalho Chehab continue; 4810c0d06caSMauro Carvalho Chehab } 4820c0d06caSMauro Carvalho Chehab if (p[0] == 0x22 && p[1] == 0x5a) { 4830c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], 4840c0d06caSMauro Carvalho Chehab len, (p[2] & 1) ? "odd" : "even"); 4850c0d06caSMauro Carvalho Chehab 4860c0d06caSMauro Carvalho Chehab if (dev->progressive || !(p[2] & 1)) { 4870c0d06caSMauro Carvalho Chehab if (buf != NULL) 4880c0d06caSMauro Carvalho Chehab buffer_filled(dev, dma_q, buf); 4890c0d06caSMauro Carvalho Chehab get_next_buf(dma_q, &buf); 4900c0d06caSMauro Carvalho Chehab if (buf == NULL) 4910c0d06caSMauro Carvalho Chehab outp = NULL; 4920c0d06caSMauro Carvalho Chehab else 4930c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 4940c0d06caSMauro Carvalho Chehab } 4950c0d06caSMauro Carvalho Chehab 4960c0d06caSMauro Carvalho Chehab if (buf != NULL) { 4970c0d06caSMauro Carvalho Chehab if (p[2] & 1) 4980c0d06caSMauro Carvalho Chehab buf->top_field = 0; 4990c0d06caSMauro Carvalho Chehab else 5000c0d06caSMauro Carvalho Chehab buf->top_field = 1; 5010c0d06caSMauro Carvalho Chehab } 5020c0d06caSMauro Carvalho Chehab 5030c0d06caSMauro Carvalho Chehab dma_q->pos = 0; 5040c0d06caSMauro Carvalho Chehab } 5050c0d06caSMauro Carvalho Chehab if (buf != NULL) { 5060c0d06caSMauro Carvalho Chehab if (p[0] != 0x88 && p[0] != 0x22) { 5070fa4a402SFrank Schaefer /* NOTE: no intermediate data packet header 5080fa4a402SFrank Schaefer * 88 88 88 88 when using bulk transfers */ 5090c0d06caSMauro Carvalho Chehab em28xx_isocdbg("frame is not complete\n"); 5100fa4a402SFrank Schaefer len = actual_length; 5110c0d06caSMauro Carvalho Chehab } else { 5120fa4a402SFrank Schaefer len = actual_length - 4; 5130c0d06caSMauro Carvalho Chehab p += 4; 5140c0d06caSMauro Carvalho Chehab } 5150c0d06caSMauro Carvalho Chehab em28xx_copy_video(dev, dma_q, buf, p, outp, len); 5160c0d06caSMauro Carvalho Chehab } 5170c0d06caSMauro Carvalho Chehab } 5180c0d06caSMauro Carvalho Chehab return rc; 5190c0d06caSMauro Carvalho Chehab } 5200c0d06caSMauro Carvalho Chehab 5214601cc39SFrank Schaefer /* Version of the urb data handler that takes into account a mixture of 5224601cc39SFrank Schaefer video and VBI data */ 5234601cc39SFrank Schaefer static inline int em28xx_urb_data_copy_vbi(struct em28xx *dev, struct urb *urb) 5240c0d06caSMauro Carvalho Chehab { 5250c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, *vbi_buf; 5260c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 5270c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 5284601cc39SFrank Schaefer int xfer_bulk, vbi_size, num_packets, i, rc = 1; 5294601cc39SFrank Schaefer unsigned int actual_length, len = 0; 5304601cc39SFrank Schaefer unsigned char *p, *outp = NULL, *vbioutp = NULL; 5310c0d06caSMauro Carvalho Chehab 5320c0d06caSMauro Carvalho Chehab if (!dev) 5330c0d06caSMauro Carvalho Chehab return 0; 5340c0d06caSMauro Carvalho Chehab 5350c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 5360c0d06caSMauro Carvalho Chehab return 0; 5370c0d06caSMauro Carvalho Chehab 5381653cb0cSFrank Schaefer if (urb->status < 0) 5390c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 5400c0d06caSMauro Carvalho Chehab 5414601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 5424601cc39SFrank Schaefer 54374209dc0SFrank Schaefer buf = dev->usb_ctl.vid_buf; 5440c0d06caSMauro Carvalho Chehab if (buf != NULL) 5450c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 5460c0d06caSMauro Carvalho Chehab 54774209dc0SFrank Schaefer vbi_buf = dev->usb_ctl.vbi_buf; 5480c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) 5490c0d06caSMauro Carvalho Chehab vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); 5500c0d06caSMauro Carvalho Chehab 5514601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 5524601cc39SFrank Schaefer num_packets = 1; 5534601cc39SFrank Schaefer else /* isoc */ 5544601cc39SFrank Schaefer num_packets = urb->number_of_packets; 5550c0d06caSMauro Carvalho Chehab 5564601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 5574601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 5584601cc39SFrank Schaefer actual_length = urb->actual_length; 5594601cc39SFrank Schaefer 5604601cc39SFrank Schaefer p = urb->transfer_buffer; 5614601cc39SFrank Schaefer } else { /* isoc */ 5624601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 5634601cc39SFrank Schaefer print_err_status(dev, i, 5644601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 5650c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 5660c0d06caSMauro Carvalho Chehab continue; 5670c0d06caSMauro Carvalho Chehab } 5680c0d06caSMauro Carvalho Chehab 5694601cc39SFrank Schaefer actual_length = urb->iso_frame_desc[i].actual_length; 5704601cc39SFrank Schaefer if (actual_length > dev->max_pkt_size) { 5710c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 5720c0d06caSMauro Carvalho Chehab continue; 5730c0d06caSMauro Carvalho Chehab } 5740c0d06caSMauro Carvalho Chehab 5754601cc39SFrank Schaefer p = urb->transfer_buffer + 5764601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 5774601cc39SFrank Schaefer } 5784601cc39SFrank Schaefer 5793610f58bSFrank Schaefer if (actual_length == 0) { 5804601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 5814601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 5824601cc39SFrank Schaefer continue; 5834601cc39SFrank Schaefer } 5840c0d06caSMauro Carvalho Chehab 5850c0d06caSMauro Carvalho Chehab /* capture type 0 = vbi start 5860c0d06caSMauro Carvalho Chehab capture type 1 = video start 5870c0d06caSMauro Carvalho Chehab capture type 2 = video in progress */ 5883610f58bSFrank Schaefer len = actual_length; 5893610f58bSFrank Schaefer if (len >= 4) { 5903610f58bSFrank Schaefer /* NOTE: headers are always 4 bytes and 5913610f58bSFrank Schaefer * never split across packets */ 5920c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95) { 5930c0d06caSMauro Carvalho Chehab dev->capture_type = 0; 5940c0d06caSMauro Carvalho Chehab dev->vbi_read = 0; 5950c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI START HEADER!!!\n"); 5960c0d06caSMauro Carvalho Chehab dev->cur_field = p[2]; 5970c0d06caSMauro Carvalho Chehab p += 4; 5983610f58bSFrank Schaefer len -= 4; 5990c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x88 && p[1] == 0x88 && 6000c0d06caSMauro Carvalho Chehab p[2] == 0x88 && p[3] == 0x88) { 6010c0d06caSMauro Carvalho Chehab /* continuation */ 6020c0d06caSMauro Carvalho Chehab p += 4; 6033610f58bSFrank Schaefer len -= 4; 6040c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x22 && p[1] == 0x5a) { 6050c0d06caSMauro Carvalho Chehab /* start video */ 6060c0d06caSMauro Carvalho Chehab p += 4; 6073610f58bSFrank Schaefer len -= 4; 6080c0d06caSMauro Carvalho Chehab } 6093610f58bSFrank Schaefer } 6103610f58bSFrank Schaefer /* NOTE: with bulk transfers, intermediate data packets 6113610f58bSFrank Schaefer * have no continuation header */ 6120c0d06caSMauro Carvalho Chehab 6130c0d06caSMauro Carvalho Chehab vbi_size = dev->vbi_width * dev->vbi_height; 6140c0d06caSMauro Carvalho Chehab 6150c0d06caSMauro Carvalho Chehab if (dev->capture_type == 0) { 6160c0d06caSMauro Carvalho Chehab if (dev->vbi_read >= vbi_size) { 6170c0d06caSMauro Carvalho Chehab /* We've already read all the VBI data, so 6180c0d06caSMauro Carvalho Chehab treat the rest as video */ 6190c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dev->vbi_read > vbi_size\n"); 6200c0d06caSMauro Carvalho Chehab } else if ((dev->vbi_read + len) < vbi_size) { 6210c0d06caSMauro Carvalho Chehab /* This entire frame is VBI data */ 6220c0d06caSMauro Carvalho Chehab if (dev->vbi_read == 0 && 6230c0d06caSMauro Carvalho Chehab (!(dev->cur_field & 1))) { 6240c0d06caSMauro Carvalho Chehab /* Brand new frame */ 6250c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) 6260c0d06caSMauro Carvalho Chehab vbi_buffer_filled(dev, 6270c0d06caSMauro Carvalho Chehab vbi_dma_q, 6280c0d06caSMauro Carvalho Chehab vbi_buf); 6290c0d06caSMauro Carvalho Chehab vbi_get_next_buf(vbi_dma_q, &vbi_buf); 6300c0d06caSMauro Carvalho Chehab if (vbi_buf == NULL) 6310c0d06caSMauro Carvalho Chehab vbioutp = NULL; 6320c0d06caSMauro Carvalho Chehab else 6330c0d06caSMauro Carvalho Chehab vbioutp = videobuf_to_vmalloc( 6340c0d06caSMauro Carvalho Chehab &vbi_buf->vb); 6350c0d06caSMauro Carvalho Chehab } 6360c0d06caSMauro Carvalho Chehab 6370c0d06caSMauro Carvalho Chehab if (dev->vbi_read == 0) { 6380c0d06caSMauro Carvalho Chehab vbi_dma_q->pos = 0; 6390c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) { 6400c0d06caSMauro Carvalho Chehab if (dev->cur_field & 1) 6410c0d06caSMauro Carvalho Chehab vbi_buf->top_field = 0; 6420c0d06caSMauro Carvalho Chehab else 6430c0d06caSMauro Carvalho Chehab vbi_buf->top_field = 1; 6440c0d06caSMauro Carvalho Chehab } 6450c0d06caSMauro Carvalho Chehab } 6460c0d06caSMauro Carvalho Chehab 6470c0d06caSMauro Carvalho Chehab dev->vbi_read += len; 6480c0d06caSMauro Carvalho Chehab em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, 6490c0d06caSMauro Carvalho Chehab vbioutp, len); 6500c0d06caSMauro Carvalho Chehab } else { 6510c0d06caSMauro Carvalho Chehab /* Some of this frame is VBI data and some is 6520c0d06caSMauro Carvalho Chehab video data */ 6530c0d06caSMauro Carvalho Chehab int vbi_data_len = vbi_size - dev->vbi_read; 6540c0d06caSMauro Carvalho Chehab dev->vbi_read += vbi_data_len; 6550c0d06caSMauro Carvalho Chehab em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, 6560c0d06caSMauro Carvalho Chehab vbioutp, vbi_data_len); 6570c0d06caSMauro Carvalho Chehab dev->capture_type = 1; 6580c0d06caSMauro Carvalho Chehab p += vbi_data_len; 6590c0d06caSMauro Carvalho Chehab len -= vbi_data_len; 6600c0d06caSMauro Carvalho Chehab } 6610c0d06caSMauro Carvalho Chehab } 6620c0d06caSMauro Carvalho Chehab 6630c0d06caSMauro Carvalho Chehab if (dev->capture_type == 1) { 6640c0d06caSMauro Carvalho Chehab dev->capture_type = 2; 6650c0d06caSMauro Carvalho Chehab if (dev->progressive || !(dev->cur_field & 1)) { 6660c0d06caSMauro Carvalho Chehab if (buf != NULL) 6670c0d06caSMauro Carvalho Chehab buffer_filled(dev, dma_q, buf); 6680c0d06caSMauro Carvalho Chehab get_next_buf(dma_q, &buf); 6690c0d06caSMauro Carvalho Chehab if (buf == NULL) 6700c0d06caSMauro Carvalho Chehab outp = NULL; 6710c0d06caSMauro Carvalho Chehab else 6720c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 6730c0d06caSMauro Carvalho Chehab } 6740c0d06caSMauro Carvalho Chehab if (buf != NULL) { 6750c0d06caSMauro Carvalho Chehab if (dev->cur_field & 1) 6760c0d06caSMauro Carvalho Chehab buf->top_field = 0; 6770c0d06caSMauro Carvalho Chehab else 6780c0d06caSMauro Carvalho Chehab buf->top_field = 1; 6790c0d06caSMauro Carvalho Chehab } 6800c0d06caSMauro Carvalho Chehab 6810c0d06caSMauro Carvalho Chehab dma_q->pos = 0; 6820c0d06caSMauro Carvalho Chehab } 6830c0d06caSMauro Carvalho Chehab 684b77e0c08SFrank Schaefer if (buf != NULL && dev->capture_type == 2 && len > 0) 685b77e0c08SFrank Schaefer em28xx_copy_video(dev, dma_q, buf, p, outp, len); 6860c0d06caSMauro Carvalho Chehab } 6870c0d06caSMauro Carvalho Chehab return rc; 6880c0d06caSMauro Carvalho Chehab } 6890c0d06caSMauro Carvalho Chehab 6900c0d06caSMauro Carvalho Chehab 6910c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 6920c0d06caSMauro Carvalho Chehab Videobuf operations 6930c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 6940c0d06caSMauro Carvalho Chehab 6950c0d06caSMauro Carvalho Chehab static int 6960c0d06caSMauro Carvalho Chehab buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) 6970c0d06caSMauro Carvalho Chehab { 6980c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6990c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7000c0d06caSMauro Carvalho Chehab struct v4l2_frequency f; 7010c0d06caSMauro Carvalho Chehab 7020c0d06caSMauro Carvalho Chehab *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) 7030c0d06caSMauro Carvalho Chehab >> 3; 7040c0d06caSMauro Carvalho Chehab 7050c0d06caSMauro Carvalho Chehab if (0 == *count) 7060c0d06caSMauro Carvalho Chehab *count = EM28XX_DEF_BUF; 7070c0d06caSMauro Carvalho Chehab 7080c0d06caSMauro Carvalho Chehab if (*count < EM28XX_MIN_BUF) 7090c0d06caSMauro Carvalho Chehab *count = EM28XX_MIN_BUF; 7100c0d06caSMauro Carvalho Chehab 7110c0d06caSMauro Carvalho Chehab /* Ask tuner to go to analog or radio mode */ 7120c0d06caSMauro Carvalho Chehab memset(&f, 0, sizeof(f)); 7130c0d06caSMauro Carvalho Chehab f.frequency = dev->ctl_freq; 7140c0d06caSMauro Carvalho Chehab f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 7150c0d06caSMauro Carvalho Chehab 7160c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); 7170c0d06caSMauro Carvalho Chehab 7180c0d06caSMauro Carvalho Chehab return 0; 7190c0d06caSMauro Carvalho Chehab } 7200c0d06caSMauro Carvalho Chehab 7210c0d06caSMauro Carvalho Chehab /* This is called *without* dev->slock held; please keep it that way */ 7220c0d06caSMauro Carvalho Chehab static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) 7230c0d06caSMauro Carvalho Chehab { 7240c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 7250c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7260c0d06caSMauro Carvalho Chehab unsigned long flags = 0; 7270c0d06caSMauro Carvalho Chehab if (in_interrupt()) 7280c0d06caSMauro Carvalho Chehab BUG(); 7290c0d06caSMauro Carvalho Chehab 7300c0d06caSMauro Carvalho Chehab /* We used to wait for the buffer to finish here, but this didn't work 7310c0d06caSMauro Carvalho Chehab because, as we were keeping the state as VIDEOBUF_QUEUED, 7320c0d06caSMauro Carvalho Chehab videobuf_queue_cancel marked it as finished for us. 7330c0d06caSMauro Carvalho Chehab (Also, it could wedge forever if the hardware was misconfigured.) 7340c0d06caSMauro Carvalho Chehab 7350c0d06caSMauro Carvalho Chehab This should be safe; by the time we get here, the buffer isn't 7360c0d06caSMauro Carvalho Chehab queued anymore. If we ever start marking the buffers as 7370c0d06caSMauro Carvalho Chehab VIDEOBUF_ACTIVE, it won't be, though. 7380c0d06caSMauro Carvalho Chehab */ 7390c0d06caSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 74074209dc0SFrank Schaefer if (dev->usb_ctl.vid_buf == buf) 74174209dc0SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 7420c0d06caSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 7430c0d06caSMauro Carvalho Chehab 7440c0d06caSMauro Carvalho Chehab videobuf_vmalloc_free(&buf->vb); 7450c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_NEEDS_INIT; 7460c0d06caSMauro Carvalho Chehab } 7470c0d06caSMauro Carvalho Chehab 7480c0d06caSMauro Carvalho Chehab static int 7490c0d06caSMauro Carvalho Chehab buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, 7500c0d06caSMauro Carvalho Chehab enum v4l2_field field) 7510c0d06caSMauro Carvalho Chehab { 7520c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 7530c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 7540c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7550c0d06caSMauro Carvalho Chehab int rc = 0, urb_init = 0; 7560c0d06caSMauro Carvalho Chehab 7570c0d06caSMauro Carvalho Chehab buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth 7580c0d06caSMauro Carvalho Chehab + 7) >> 3; 7590c0d06caSMauro Carvalho Chehab 7600c0d06caSMauro Carvalho Chehab if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 7610c0d06caSMauro Carvalho Chehab return -EINVAL; 7620c0d06caSMauro Carvalho Chehab 7630c0d06caSMauro Carvalho Chehab buf->vb.width = dev->width; 7640c0d06caSMauro Carvalho Chehab buf->vb.height = dev->height; 7650c0d06caSMauro Carvalho Chehab buf->vb.field = field; 7660c0d06caSMauro Carvalho Chehab 7670c0d06caSMauro Carvalho Chehab if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 7680c0d06caSMauro Carvalho Chehab rc = videobuf_iolock(vq, &buf->vb, NULL); 7690c0d06caSMauro Carvalho Chehab if (rc < 0) 7700c0d06caSMauro Carvalho Chehab goto fail; 7710c0d06caSMauro Carvalho Chehab } 7720c0d06caSMauro Carvalho Chehab 77374209dc0SFrank Schaefer if (!dev->usb_ctl.analog_bufs.num_bufs) 7740c0d06caSMauro Carvalho Chehab urb_init = 1; 7750c0d06caSMauro Carvalho Chehab 7760c0d06caSMauro Carvalho Chehab if (urb_init) { 7770c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 778c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 779c647a91aSFrank Schaefer dev->analog_xfer_bulk, 7800c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 7810c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 782c647a91aSFrank Schaefer dev->packet_multiplier, 7834601cc39SFrank Schaefer em28xx_urb_data_copy_vbi); 7840c0d06caSMauro Carvalho Chehab else 785c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 786c647a91aSFrank Schaefer dev->analog_xfer_bulk, 7870c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 7880c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 789c647a91aSFrank Schaefer dev->packet_multiplier, 7900fa4a402SFrank Schaefer em28xx_urb_data_copy); 7910c0d06caSMauro Carvalho Chehab if (rc < 0) 7920c0d06caSMauro Carvalho Chehab goto fail; 7930c0d06caSMauro Carvalho Chehab } 7940c0d06caSMauro Carvalho Chehab 7950c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_PREPARED; 7960c0d06caSMauro Carvalho Chehab return 0; 7970c0d06caSMauro Carvalho Chehab 7980c0d06caSMauro Carvalho Chehab fail: 7990c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 8000c0d06caSMauro Carvalho Chehab return rc; 8010c0d06caSMauro Carvalho Chehab } 8020c0d06caSMauro Carvalho Chehab 8030c0d06caSMauro Carvalho Chehab static void 8040c0d06caSMauro Carvalho Chehab buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 8050c0d06caSMauro Carvalho Chehab { 8060c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 8070c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 8080c0d06caSMauro Carvalho Chehab vb); 8090c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 8100c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8110c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 8120c0d06caSMauro Carvalho Chehab 8130c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_QUEUED; 8140c0d06caSMauro Carvalho Chehab list_add_tail(&buf->vb.queue, &vidq->active); 8150c0d06caSMauro Carvalho Chehab 8160c0d06caSMauro Carvalho Chehab } 8170c0d06caSMauro Carvalho Chehab 8180c0d06caSMauro Carvalho Chehab static void buffer_release(struct videobuf_queue *vq, 8190c0d06caSMauro Carvalho Chehab struct videobuf_buffer *vb) 8200c0d06caSMauro Carvalho Chehab { 8210c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 8220c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 8230c0d06caSMauro Carvalho Chehab vb); 8240c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 8250c0d06caSMauro Carvalho Chehab struct em28xx *dev = (struct em28xx *)fh->dev; 8260c0d06caSMauro Carvalho Chehab 8270c0d06caSMauro Carvalho Chehab em28xx_isocdbg("em28xx: called buffer_release\n"); 8280c0d06caSMauro Carvalho Chehab 8290c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 8300c0d06caSMauro Carvalho Chehab } 8310c0d06caSMauro Carvalho Chehab 8320c0d06caSMauro Carvalho Chehab static struct videobuf_queue_ops em28xx_video_qops = { 8330c0d06caSMauro Carvalho Chehab .buf_setup = buffer_setup, 8340c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 8350c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 8360c0d06caSMauro Carvalho Chehab .buf_release = buffer_release, 8370c0d06caSMauro Carvalho Chehab }; 8380c0d06caSMauro Carvalho Chehab 8390c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 8400c0d06caSMauro Carvalho Chehab 8410c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 8420c0d06caSMauro Carvalho Chehab { 8430c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 8440c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 8450c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 8460c0d06caSMauro Carvalho Chehab 8470c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 8480c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 8490c0d06caSMauro Carvalho Chehab 8500c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, 8510c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 8520c0d06caSMauro Carvalho Chehab 8530c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 8540c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 8550c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, 8560c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 8570c0d06caSMauro Carvalho Chehab } 8580c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 8590c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 8600c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 8610c0d06caSMauro Carvalho Chehab } 8620c0d06caSMauro Carvalho Chehab 8630c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 8640c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 8650c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 8660c0d06caSMauro Carvalho Chehab } 8670c0d06caSMauro Carvalho Chehab 8680c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 8690c0d06caSMauro Carvalho Chehab } 8700c0d06caSMauro Carvalho Chehab 8710c0d06caSMauro Carvalho Chehab /* Usage lock check functions */ 8720c0d06caSMauro Carvalho Chehab static int res_get(struct em28xx_fh *fh, unsigned int bit) 8730c0d06caSMauro Carvalho Chehab { 8740c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8750c0d06caSMauro Carvalho Chehab 8760c0d06caSMauro Carvalho Chehab if (fh->resources & bit) 8770c0d06caSMauro Carvalho Chehab /* have it already allocated */ 8780c0d06caSMauro Carvalho Chehab return 1; 8790c0d06caSMauro Carvalho Chehab 8800c0d06caSMauro Carvalho Chehab /* is it free? */ 8810c0d06caSMauro Carvalho Chehab if (dev->resources & bit) { 8820c0d06caSMauro Carvalho Chehab /* no, someone else uses it */ 8830c0d06caSMauro Carvalho Chehab return 0; 8840c0d06caSMauro Carvalho Chehab } 8850c0d06caSMauro Carvalho Chehab /* it's free, grab it */ 8860c0d06caSMauro Carvalho Chehab fh->resources |= bit; 8870c0d06caSMauro Carvalho Chehab dev->resources |= bit; 8880c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: get %d\n", bit); 8890c0d06caSMauro Carvalho Chehab return 1; 8900c0d06caSMauro Carvalho Chehab } 8910c0d06caSMauro Carvalho Chehab 8920c0d06caSMauro Carvalho Chehab static int res_check(struct em28xx_fh *fh, unsigned int bit) 8930c0d06caSMauro Carvalho Chehab { 8940c0d06caSMauro Carvalho Chehab return fh->resources & bit; 8950c0d06caSMauro Carvalho Chehab } 8960c0d06caSMauro Carvalho Chehab 8970c0d06caSMauro Carvalho Chehab static int res_locked(struct em28xx *dev, unsigned int bit) 8980c0d06caSMauro Carvalho Chehab { 8990c0d06caSMauro Carvalho Chehab return dev->resources & bit; 9000c0d06caSMauro Carvalho Chehab } 9010c0d06caSMauro Carvalho Chehab 9020c0d06caSMauro Carvalho Chehab static void res_free(struct em28xx_fh *fh, unsigned int bits) 9030c0d06caSMauro Carvalho Chehab { 9040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 9050c0d06caSMauro Carvalho Chehab 9060c0d06caSMauro Carvalho Chehab BUG_ON((fh->resources & bits) != bits); 9070c0d06caSMauro Carvalho Chehab 9080c0d06caSMauro Carvalho Chehab fh->resources &= ~bits; 9090c0d06caSMauro Carvalho Chehab dev->resources &= ~bits; 9100c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: put %d\n", bits); 9110c0d06caSMauro Carvalho Chehab } 9120c0d06caSMauro Carvalho Chehab 9130c0d06caSMauro Carvalho Chehab static int get_ressource(struct em28xx_fh *fh) 9140c0d06caSMauro Carvalho Chehab { 9150c0d06caSMauro Carvalho Chehab switch (fh->type) { 9160c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 9170c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VIDEO; 9180c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 9190c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VBI; 9200c0d06caSMauro Carvalho Chehab default: 9210c0d06caSMauro Carvalho Chehab BUG(); 9220c0d06caSMauro Carvalho Chehab return 0; 9230c0d06caSMauro Carvalho Chehab } 9240c0d06caSMauro Carvalho Chehab } 9250c0d06caSMauro Carvalho Chehab 9260c0d06caSMauro Carvalho Chehab /* 9270c0d06caSMauro Carvalho Chehab * ac97_queryctrl() 9280c0d06caSMauro Carvalho Chehab * return the ac97 supported controls 9290c0d06caSMauro Carvalho Chehab */ 9300c0d06caSMauro Carvalho Chehab static int ac97_queryctrl(struct v4l2_queryctrl *qc) 9310c0d06caSMauro Carvalho Chehab { 9320c0d06caSMauro Carvalho Chehab int i; 9330c0d06caSMauro Carvalho Chehab 9340c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 9350c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 9360c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 9370c0d06caSMauro Carvalho Chehab return 0; 9380c0d06caSMauro Carvalho Chehab } 9390c0d06caSMauro Carvalho Chehab } 9400c0d06caSMauro Carvalho Chehab 9410c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 9420c0d06caSMauro Carvalho Chehab return 1; 9430c0d06caSMauro Carvalho Chehab } 9440c0d06caSMauro Carvalho Chehab 9450c0d06caSMauro Carvalho Chehab /* 9460c0d06caSMauro Carvalho Chehab * ac97_get_ctrl() 9470c0d06caSMauro Carvalho Chehab * return the current values for ac97 mute and volume 9480c0d06caSMauro Carvalho Chehab */ 9490c0d06caSMauro Carvalho Chehab static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) 9500c0d06caSMauro Carvalho Chehab { 9510c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 9520c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 9530c0d06caSMauro Carvalho Chehab ctrl->value = dev->mute; 9540c0d06caSMauro Carvalho Chehab return 0; 9550c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 9560c0d06caSMauro Carvalho Chehab ctrl->value = dev->volume; 9570c0d06caSMauro Carvalho Chehab return 0; 9580c0d06caSMauro Carvalho Chehab default: 9590c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 9600c0d06caSMauro Carvalho Chehab return 1; 9610c0d06caSMauro Carvalho Chehab } 9620c0d06caSMauro Carvalho Chehab } 9630c0d06caSMauro Carvalho Chehab 9640c0d06caSMauro Carvalho Chehab /* 9650c0d06caSMauro Carvalho Chehab * ac97_set_ctrl() 9660c0d06caSMauro Carvalho Chehab * set values for ac97 mute and volume 9670c0d06caSMauro Carvalho Chehab */ 9680c0d06caSMauro Carvalho Chehab static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) 9690c0d06caSMauro Carvalho Chehab { 9700c0d06caSMauro Carvalho Chehab int i; 9710c0d06caSMauro Carvalho Chehab 9720c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) 9730c0d06caSMauro Carvalho Chehab if (ctrl->id == ac97_qctrl[i].id) 9740c0d06caSMauro Carvalho Chehab goto handle; 9750c0d06caSMauro Carvalho Chehab 9760c0d06caSMauro Carvalho Chehab /* Announce that hasn't handle it */ 9770c0d06caSMauro Carvalho Chehab return 1; 9780c0d06caSMauro Carvalho Chehab 9790c0d06caSMauro Carvalho Chehab handle: 9800c0d06caSMauro Carvalho Chehab if (ctrl->value < ac97_qctrl[i].minimum || 9810c0d06caSMauro Carvalho Chehab ctrl->value > ac97_qctrl[i].maximum) 9820c0d06caSMauro Carvalho Chehab return -ERANGE; 9830c0d06caSMauro Carvalho Chehab 9840c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 9850c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 9860c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 9870c0d06caSMauro Carvalho Chehab break; 9880c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 9890c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 9900c0d06caSMauro Carvalho Chehab break; 9910c0d06caSMauro Carvalho Chehab } 9920c0d06caSMauro Carvalho Chehab 9930c0d06caSMauro Carvalho Chehab return em28xx_audio_analog_set(dev); 9940c0d06caSMauro Carvalho Chehab } 9950c0d06caSMauro Carvalho Chehab 9960c0d06caSMauro Carvalho Chehab static int check_dev(struct em28xx *dev) 9970c0d06caSMauro Carvalho Chehab { 9980c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 9990c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device not present\n"); 10000c0d06caSMauro Carvalho Chehab return -ENODEV; 10010c0d06caSMauro Carvalho Chehab } 10020c0d06caSMauro Carvalho Chehab 10030c0d06caSMauro Carvalho Chehab if (dev->state & DEV_MISCONFIGURED) { 10040c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device is misconfigured; " 10050c0d06caSMauro Carvalho Chehab "close and open it again\n"); 10060c0d06caSMauro Carvalho Chehab return -EIO; 10070c0d06caSMauro Carvalho Chehab } 10080c0d06caSMauro Carvalho Chehab return 0; 10090c0d06caSMauro Carvalho Chehab } 10100c0d06caSMauro Carvalho Chehab 10110c0d06caSMauro Carvalho Chehab static void get_scale(struct em28xx *dev, 10120c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 10130c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 10140c0d06caSMauro Carvalho Chehab { 10150c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 10160c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 10170c0d06caSMauro Carvalho Chehab 10180c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 10190c0d06caSMauro Carvalho Chehab if (*hscale >= 0x4000) 10200c0d06caSMauro Carvalho Chehab *hscale = 0x3fff; 10210c0d06caSMauro Carvalho Chehab 10220c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 10230c0d06caSMauro Carvalho Chehab if (*vscale >= 0x4000) 10240c0d06caSMauro Carvalho Chehab *vscale = 0x3fff; 10250c0d06caSMauro Carvalho Chehab } 10260c0d06caSMauro Carvalho Chehab 10270c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 10280c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 10290c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 10300c0d06caSMauro Carvalho Chehab 10310c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 10320c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 10330c0d06caSMauro Carvalho Chehab { 10340c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10350c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10360c0d06caSMauro Carvalho Chehab 10370c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 10380c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 10390c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 10400c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 10410c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 10420c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 10430c0d06caSMauro Carvalho Chehab 10440c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 10450c0d06caSMauro Carvalho Chehab if (dev->progressive) 10460c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 10470c0d06caSMauro Carvalho Chehab else 10480c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 10490c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 10500c0d06caSMauro Carvalho Chehab return 0; 10510c0d06caSMauro Carvalho Chehab } 10520c0d06caSMauro Carvalho Chehab 10530c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 10540c0d06caSMauro Carvalho Chehab { 10550c0d06caSMauro Carvalho Chehab unsigned int i; 10560c0d06caSMauro Carvalho Chehab 10570c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 10580c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 10590c0d06caSMauro Carvalho Chehab return &format[i]; 10600c0d06caSMauro Carvalho Chehab 10610c0d06caSMauro Carvalho Chehab return NULL; 10620c0d06caSMauro Carvalho Chehab } 10630c0d06caSMauro Carvalho Chehab 10640c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 10650c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 10660c0d06caSMauro Carvalho Chehab { 10670c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10680c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10690c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 10700c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 10710c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 10720c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 10730c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 10740c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 10750c0d06caSMauro Carvalho Chehab 10760c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 10770c0d06caSMauro Carvalho Chehab if (!fmt) { 10780c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 10790c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 10800c0d06caSMauro Carvalho Chehab return -EINVAL; 10810c0d06caSMauro Carvalho Chehab } 10820c0d06caSMauro Carvalho Chehab 10830c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 10840c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 10850c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 10860c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 10870c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 10880c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 10890c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 10900c0d06caSMauro Carvalho Chehab width /= 2; 10910c0d06caSMauro Carvalho Chehab } else { 10920c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 10930c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 10940c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 10950c0d06caSMauro Carvalho Chehab 1, 0); 10960c0d06caSMauro Carvalho Chehab } 10970c0d06caSMauro Carvalho Chehab 10980c0d06caSMauro Carvalho Chehab get_scale(dev, width, height, &hscale, &vscale); 10990c0d06caSMauro Carvalho Chehab 11000c0d06caSMauro Carvalho Chehab width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 11010c0d06caSMauro Carvalho Chehab height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 11020c0d06caSMauro Carvalho Chehab 11030c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 11040c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 11050c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 11060c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; 11070c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 11080c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 11090c0d06caSMauro Carvalho Chehab if (dev->progressive) 11100c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 11110c0d06caSMauro Carvalho Chehab else 11120c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 11130c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 11140c0d06caSMauro Carvalho Chehab 11150c0d06caSMauro Carvalho Chehab return 0; 11160c0d06caSMauro Carvalho Chehab } 11170c0d06caSMauro Carvalho Chehab 11180c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 11190c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 11200c0d06caSMauro Carvalho Chehab { 11210c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 11220c0d06caSMauro Carvalho Chehab 11230c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 11240c0d06caSMauro Carvalho Chehab if (!fmt) 11250c0d06caSMauro Carvalho Chehab return -EINVAL; 11260c0d06caSMauro Carvalho Chehab 11270c0d06caSMauro Carvalho Chehab dev->format = fmt; 11280c0d06caSMauro Carvalho Chehab dev->width = width; 11290c0d06caSMauro Carvalho Chehab dev->height = height; 11300c0d06caSMauro Carvalho Chehab 11310c0d06caSMauro Carvalho Chehab /* set new image size */ 11320c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 11330c0d06caSMauro Carvalho Chehab 11340c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 11350c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 11360c0d06caSMauro Carvalho Chehab 11370c0d06caSMauro Carvalho Chehab return 0; 11380c0d06caSMauro Carvalho Chehab } 11390c0d06caSMauro Carvalho Chehab 11400c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 11410c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 11420c0d06caSMauro Carvalho Chehab { 11430c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11440c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11450c0d06caSMauro Carvalho Chehab int rc; 11460c0d06caSMauro Carvalho Chehab 11470c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11480c0d06caSMauro Carvalho Chehab if (rc < 0) 11490c0d06caSMauro Carvalho Chehab return rc; 11500c0d06caSMauro Carvalho Chehab 11510c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 11520c0d06caSMauro Carvalho Chehab 11530c0d06caSMauro Carvalho Chehab if (videobuf_queue_is_busy(&fh->vb_vidq)) { 11540c0d06caSMauro Carvalho Chehab em28xx_errdev("%s queue busy\n", __func__); 11550c0d06caSMauro Carvalho Chehab return -EBUSY; 11560c0d06caSMauro Carvalho Chehab } 11570c0d06caSMauro Carvalho Chehab 11580c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 11590c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 11600c0d06caSMauro Carvalho Chehab } 11610c0d06caSMauro Carvalho Chehab 11620c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 11630c0d06caSMauro Carvalho Chehab { 11640c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11650c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11660c0d06caSMauro Carvalho Chehab int rc; 11670c0d06caSMauro Carvalho Chehab 11680c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11690c0d06caSMauro Carvalho Chehab if (rc < 0) 11700c0d06caSMauro Carvalho Chehab return rc; 11710c0d06caSMauro Carvalho Chehab 11720c0d06caSMauro Carvalho Chehab *norm = dev->norm; 11730c0d06caSMauro Carvalho Chehab 11740c0d06caSMauro Carvalho Chehab return 0; 11750c0d06caSMauro Carvalho Chehab } 11760c0d06caSMauro Carvalho Chehab 11770c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 11780c0d06caSMauro Carvalho Chehab { 11790c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11800c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11810c0d06caSMauro Carvalho Chehab int rc; 11820c0d06caSMauro Carvalho Chehab 11830c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11840c0d06caSMauro Carvalho Chehab if (rc < 0) 11850c0d06caSMauro Carvalho Chehab return rc; 11860c0d06caSMauro Carvalho Chehab 11870c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); 11880c0d06caSMauro Carvalho Chehab 11890c0d06caSMauro Carvalho Chehab return 0; 11900c0d06caSMauro Carvalho Chehab } 11910c0d06caSMauro Carvalho Chehab 11920c0d06caSMauro Carvalho Chehab static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) 11930c0d06caSMauro Carvalho Chehab { 11940c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11950c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11960c0d06caSMauro Carvalho Chehab struct v4l2_format f; 11970c0d06caSMauro Carvalho Chehab int rc; 11980c0d06caSMauro Carvalho Chehab 11990c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12000c0d06caSMauro Carvalho Chehab if (rc < 0) 12010c0d06caSMauro Carvalho Chehab return rc; 12020c0d06caSMauro Carvalho Chehab 12030c0d06caSMauro Carvalho Chehab dev->norm = *norm; 12040c0d06caSMauro Carvalho Chehab 12050c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 12060c0d06caSMauro Carvalho Chehab f.fmt.pix.width = dev->width; 12070c0d06caSMauro Carvalho Chehab f.fmt.pix.height = dev->height; 12080c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 12090c0d06caSMauro Carvalho Chehab 12100c0d06caSMauro Carvalho Chehab /* set new image size */ 12110c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 12120c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 12130c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 12140c0d06caSMauro Carvalho Chehab 12150c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 12160c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 12170c0d06caSMauro Carvalho Chehab 12180c0d06caSMauro Carvalho Chehab return 0; 12190c0d06caSMauro Carvalho Chehab } 12200c0d06caSMauro Carvalho Chehab 12210c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 12220c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 12230c0d06caSMauro Carvalho Chehab { 12240c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12250c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12260c0d06caSMauro Carvalho Chehab int rc = 0; 12270c0d06caSMauro Carvalho Chehab 12280c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 12290c0d06caSMauro Carvalho Chehab return -EINVAL; 12300c0d06caSMauro Carvalho Chehab 12310c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 12320c0d06caSMauro Carvalho Chehab rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, 12330c0d06caSMauro Carvalho Chehab video, g_parm, p); 12340c0d06caSMauro Carvalho Chehab else 12350c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 12360c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 12370c0d06caSMauro Carvalho Chehab 12380c0d06caSMauro Carvalho Chehab return rc; 12390c0d06caSMauro Carvalho Chehab } 12400c0d06caSMauro Carvalho Chehab 12410c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 12420c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 12430c0d06caSMauro Carvalho Chehab { 12440c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12450c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12460c0d06caSMauro Carvalho Chehab 12470c0d06caSMauro Carvalho Chehab if (!dev->board.is_webcam) 12480c0d06caSMauro Carvalho Chehab return -EINVAL; 12490c0d06caSMauro Carvalho Chehab 12500c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 12510c0d06caSMauro Carvalho Chehab return -EINVAL; 12520c0d06caSMauro Carvalho Chehab 12530c0d06caSMauro Carvalho Chehab return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); 12540c0d06caSMauro Carvalho Chehab } 12550c0d06caSMauro Carvalho Chehab 12560c0d06caSMauro Carvalho Chehab static const char *iname[] = { 12570c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 12580c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 12590c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 12600c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 12610c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 12620c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 12630c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 12640c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 12650c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 12660c0d06caSMauro Carvalho Chehab }; 12670c0d06caSMauro Carvalho Chehab 12680c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 12690c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 12700c0d06caSMauro Carvalho Chehab { 12710c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12720c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12730c0d06caSMauro Carvalho Chehab unsigned int n; 12740c0d06caSMauro Carvalho Chehab 12750c0d06caSMauro Carvalho Chehab n = i->index; 12760c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 12770c0d06caSMauro Carvalho Chehab return -EINVAL; 12780c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 12790c0d06caSMauro Carvalho Chehab return -EINVAL; 12800c0d06caSMauro Carvalho Chehab 12810c0d06caSMauro Carvalho Chehab i->index = n; 12820c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 12830c0d06caSMauro Carvalho Chehab 12840c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 12850c0d06caSMauro Carvalho Chehab 12860c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 12870c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 12880c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 12890c0d06caSMauro Carvalho Chehab 12900c0d06caSMauro Carvalho Chehab i->std = dev->vdev->tvnorms; 12910c0d06caSMauro Carvalho Chehab 12920c0d06caSMauro Carvalho Chehab return 0; 12930c0d06caSMauro Carvalho Chehab } 12940c0d06caSMauro Carvalho Chehab 12950c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 12960c0d06caSMauro Carvalho Chehab { 12970c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12980c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12990c0d06caSMauro Carvalho Chehab 13000c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 13010c0d06caSMauro Carvalho Chehab 13020c0d06caSMauro Carvalho Chehab return 0; 13030c0d06caSMauro Carvalho Chehab } 13040c0d06caSMauro Carvalho Chehab 13050c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 13060c0d06caSMauro Carvalho Chehab { 13070c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13080c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13090c0d06caSMauro Carvalho Chehab int rc; 13100c0d06caSMauro Carvalho Chehab 13110c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13120c0d06caSMauro Carvalho Chehab if (rc < 0) 13130c0d06caSMauro Carvalho Chehab return rc; 13140c0d06caSMauro Carvalho Chehab 13150c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 13160c0d06caSMauro Carvalho Chehab return -EINVAL; 13170c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 13180c0d06caSMauro Carvalho Chehab return -EINVAL; 13190c0d06caSMauro Carvalho Chehab 13200c0d06caSMauro Carvalho Chehab video_mux(dev, i); 13210c0d06caSMauro Carvalho Chehab return 0; 13220c0d06caSMauro Carvalho Chehab } 13230c0d06caSMauro Carvalho Chehab 13240c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 13250c0d06caSMauro Carvalho Chehab { 13260c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13270c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13280c0d06caSMauro Carvalho Chehab 13290c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 13300c0d06caSMauro Carvalho Chehab return -EINVAL; 13310c0d06caSMauro Carvalho Chehab 13320c0d06caSMauro Carvalho Chehab switch (a->index) { 13330c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 13340c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 13350c0d06caSMauro Carvalho Chehab break; 13360c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 13370c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 13380c0d06caSMauro Carvalho Chehab break; 13390c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 13400c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 13410c0d06caSMauro Carvalho Chehab break; 13420c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 13430c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 13440c0d06caSMauro Carvalho Chehab break; 13450c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 13460c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 13470c0d06caSMauro Carvalho Chehab break; 13480c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 13490c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 13500c0d06caSMauro Carvalho Chehab break; 13510c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 13520c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 13530c0d06caSMauro Carvalho Chehab break; 13540c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 13550c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 13560c0d06caSMauro Carvalho Chehab break; 13570c0d06caSMauro Carvalho Chehab default: 13580c0d06caSMauro Carvalho Chehab return -EINVAL; 13590c0d06caSMauro Carvalho Chehab } 13600c0d06caSMauro Carvalho Chehab 13610c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 13620c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 13630c0d06caSMauro Carvalho Chehab 13640c0d06caSMauro Carvalho Chehab return 0; 13650c0d06caSMauro Carvalho Chehab } 13660c0d06caSMauro Carvalho Chehab 13670e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 13680c0d06caSMauro Carvalho Chehab { 13690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13700c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13710c0d06caSMauro Carvalho Chehab 13720c0d06caSMauro Carvalho Chehab 13730c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 13740c0d06caSMauro Carvalho Chehab return -EINVAL; 13750c0d06caSMauro Carvalho Chehab 13760c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 13770c0d06caSMauro Carvalho Chehab return -EINVAL; 13780c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 13790c0d06caSMauro Carvalho Chehab return -EINVAL; 13800c0d06caSMauro Carvalho Chehab 13810c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 13820c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 13830c0d06caSMauro Carvalho Chehab 13840c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 13850c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 13860c0d06caSMauro Carvalho Chehab 13870c0d06caSMauro Carvalho Chehab return 0; 13880c0d06caSMauro Carvalho Chehab } 13890c0d06caSMauro Carvalho Chehab 13900c0d06caSMauro Carvalho Chehab static int vidioc_queryctrl(struct file *file, void *priv, 13910c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 13920c0d06caSMauro Carvalho Chehab { 13930c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13940c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13950c0d06caSMauro Carvalho Chehab int id = qc->id; 13960c0d06caSMauro Carvalho Chehab int rc; 13970c0d06caSMauro Carvalho Chehab 13980c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13990c0d06caSMauro Carvalho Chehab if (rc < 0) 14000c0d06caSMauro Carvalho Chehab return rc; 14010c0d06caSMauro Carvalho Chehab 14020c0d06caSMauro Carvalho Chehab memset(qc, 0, sizeof(*qc)); 14030c0d06caSMauro Carvalho Chehab 14040c0d06caSMauro Carvalho Chehab qc->id = id; 14050c0d06caSMauro Carvalho Chehab 14060c0d06caSMauro Carvalho Chehab /* enumerate AC97 controls */ 14070c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 14080c0d06caSMauro Carvalho Chehab rc = ac97_queryctrl(qc); 14090c0d06caSMauro Carvalho Chehab if (!rc) 14100c0d06caSMauro Carvalho Chehab return 0; 14110c0d06caSMauro Carvalho Chehab } 14120c0d06caSMauro Carvalho Chehab 14130c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 14140c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); 14150c0d06caSMauro Carvalho Chehab 14160c0d06caSMauro Carvalho Chehab if (qc->type) 14170c0d06caSMauro Carvalho Chehab return 0; 14180c0d06caSMauro Carvalho Chehab else 14190c0d06caSMauro Carvalho Chehab return -EINVAL; 14200c0d06caSMauro Carvalho Chehab } 14210c0d06caSMauro Carvalho Chehab 14220c0d06caSMauro Carvalho Chehab /* 14230c0d06caSMauro Carvalho Chehab * FIXME: This is an indirect way to check if a control exists at a 14240c0d06caSMauro Carvalho Chehab * subdev. Instead of that hack, maybe the better would be to change all 14250c0d06caSMauro Carvalho Chehab * subdevs to return -ENOIOCTLCMD, if an ioctl is not supported. 14260c0d06caSMauro Carvalho Chehab */ 14270c0d06caSMauro Carvalho Chehab static int check_subdev_ctrl(struct em28xx *dev, int id) 14280c0d06caSMauro Carvalho Chehab { 14290c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl qc; 14300c0d06caSMauro Carvalho Chehab 14310c0d06caSMauro Carvalho Chehab memset(&qc, 0, sizeof(qc)); 14320c0d06caSMauro Carvalho Chehab qc.id = id; 14330c0d06caSMauro Carvalho Chehab 14340c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 14350c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, &qc); 14360c0d06caSMauro Carvalho Chehab 14370c0d06caSMauro Carvalho Chehab if (qc.type) 14380c0d06caSMauro Carvalho Chehab return 0; 14390c0d06caSMauro Carvalho Chehab else 14400c0d06caSMauro Carvalho Chehab return -EINVAL; 14410c0d06caSMauro Carvalho Chehab } 14420c0d06caSMauro Carvalho Chehab 14430c0d06caSMauro Carvalho Chehab static int vidioc_g_ctrl(struct file *file, void *priv, 14440c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 14450c0d06caSMauro Carvalho Chehab { 14460c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14470c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14480c0d06caSMauro Carvalho Chehab int rc; 14490c0d06caSMauro Carvalho Chehab 14500c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 14510c0d06caSMauro Carvalho Chehab if (rc < 0) 14520c0d06caSMauro Carvalho Chehab return rc; 14530c0d06caSMauro Carvalho Chehab rc = 0; 14540c0d06caSMauro Carvalho Chehab 14550c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 14560c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 14570c0d06caSMauro Carvalho Chehab rc = ac97_get_ctrl(dev, ctrl); 14580c0d06caSMauro Carvalho Chehab else 14590c0d06caSMauro Carvalho Chehab rc = 1; 14600c0d06caSMauro Carvalho Chehab 14610c0d06caSMauro Carvalho Chehab /* It were not an AC97 control. Sends it to the v4l2 dev interface */ 14620c0d06caSMauro Carvalho Chehab if (rc == 1) { 14630c0d06caSMauro Carvalho Chehab if (check_subdev_ctrl(dev, ctrl->id)) 14640c0d06caSMauro Carvalho Chehab return -EINVAL; 14650c0d06caSMauro Carvalho Chehab 14660c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); 14670c0d06caSMauro Carvalho Chehab rc = 0; 14680c0d06caSMauro Carvalho Chehab } 14690c0d06caSMauro Carvalho Chehab 14700c0d06caSMauro Carvalho Chehab return rc; 14710c0d06caSMauro Carvalho Chehab } 14720c0d06caSMauro Carvalho Chehab 14730c0d06caSMauro Carvalho Chehab static int vidioc_s_ctrl(struct file *file, void *priv, 14740c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 14750c0d06caSMauro Carvalho Chehab { 14760c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14770c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14780c0d06caSMauro Carvalho Chehab int rc; 14790c0d06caSMauro Carvalho Chehab 14800c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 14810c0d06caSMauro Carvalho Chehab if (rc < 0) 14820c0d06caSMauro Carvalho Chehab return rc; 14830c0d06caSMauro Carvalho Chehab 14840c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 14850c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 14860c0d06caSMauro Carvalho Chehab rc = ac97_set_ctrl(dev, ctrl); 14870c0d06caSMauro Carvalho Chehab else 14880c0d06caSMauro Carvalho Chehab rc = 1; 14890c0d06caSMauro Carvalho Chehab 14900c0d06caSMauro Carvalho Chehab /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ 14910c0d06caSMauro Carvalho Chehab if (rc == 1) { 14920c0d06caSMauro Carvalho Chehab rc = check_subdev_ctrl(dev, ctrl->id); 14930c0d06caSMauro Carvalho Chehab if (!rc) 14940c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, 14950c0d06caSMauro Carvalho Chehab core, s_ctrl, ctrl); 14960c0d06caSMauro Carvalho Chehab /* 14970c0d06caSMauro Carvalho Chehab * In the case of non-AC97 volume controls, we still need 14980c0d06caSMauro Carvalho Chehab * to do some setups at em28xx, in order to mute/unmute 14990c0d06caSMauro Carvalho Chehab * and to adjust audio volume. However, the value ranges 15000c0d06caSMauro Carvalho Chehab * should be checked by the corresponding V4L subdriver. 15010c0d06caSMauro Carvalho Chehab */ 15020c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 15030c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 15040c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 15050c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 15060c0d06caSMauro Carvalho Chehab break; 15070c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 15080c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 15090c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 15100c0d06caSMauro Carvalho Chehab } 15110c0d06caSMauro Carvalho Chehab } 15120c0d06caSMauro Carvalho Chehab return (rc < 0) ? rc : 0; 15130c0d06caSMauro Carvalho Chehab } 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15160c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15170c0d06caSMauro Carvalho Chehab { 15180c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15190c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15200c0d06caSMauro Carvalho Chehab int rc; 15210c0d06caSMauro Carvalho Chehab 15220c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15230c0d06caSMauro Carvalho Chehab if (rc < 0) 15240c0d06caSMauro Carvalho Chehab return rc; 15250c0d06caSMauro Carvalho Chehab 15260c0d06caSMauro Carvalho Chehab if (0 != t->index) 15270c0d06caSMauro Carvalho Chehab return -EINVAL; 15280c0d06caSMauro Carvalho Chehab 15290c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15300c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_ANALOG_TV; 15310c0d06caSMauro Carvalho Chehab 15320c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 15330c0d06caSMauro Carvalho Chehab return 0; 15340c0d06caSMauro Carvalho Chehab } 15350c0d06caSMauro Carvalho Chehab 15360c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15370c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15380c0d06caSMauro Carvalho Chehab { 15390c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15400c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15410c0d06caSMauro Carvalho Chehab int rc; 15420c0d06caSMauro Carvalho Chehab 15430c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15440c0d06caSMauro Carvalho Chehab if (rc < 0) 15450c0d06caSMauro Carvalho Chehab return rc; 15460c0d06caSMauro Carvalho Chehab 15470c0d06caSMauro Carvalho Chehab if (0 != t->index) 15480c0d06caSMauro Carvalho Chehab return -EINVAL; 15490c0d06caSMauro Carvalho Chehab 15500c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 15510c0d06caSMauro Carvalho Chehab return 0; 15520c0d06caSMauro Carvalho Chehab } 15530c0d06caSMauro Carvalho Chehab 15540c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15550c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15560c0d06caSMauro Carvalho Chehab { 15570c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15580c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15590c0d06caSMauro Carvalho Chehab 15600c0d06caSMauro Carvalho Chehab f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 15610c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15620c0d06caSMauro Carvalho Chehab return 0; 15630c0d06caSMauro Carvalho Chehab } 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 15660c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15670c0d06caSMauro Carvalho Chehab { 15680c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15690c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15700c0d06caSMauro Carvalho Chehab int rc; 15710c0d06caSMauro Carvalho Chehab 15720c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15730c0d06caSMauro Carvalho Chehab if (rc < 0) 15740c0d06caSMauro Carvalho Chehab return rc; 15750c0d06caSMauro Carvalho Chehab 15760c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 15770c0d06caSMauro Carvalho Chehab return -EINVAL; 15780c0d06caSMauro Carvalho Chehab 15790c0d06caSMauro Carvalho Chehab if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 15800c0d06caSMauro Carvalho Chehab return -EINVAL; 15810c0d06caSMauro Carvalho Chehab if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 15820c0d06caSMauro Carvalho Chehab return -EINVAL; 15830c0d06caSMauro Carvalho Chehab 15840c0d06caSMauro Carvalho Chehab dev->ctl_freq = f->frequency; 15850c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); 15860c0d06caSMauro Carvalho Chehab 15870c0d06caSMauro Carvalho Chehab return 0; 15880c0d06caSMauro Carvalho Chehab } 15890c0d06caSMauro Carvalho Chehab 15900c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 15910c0d06caSMauro Carvalho Chehab static int em28xx_reg_len(int reg) 15920c0d06caSMauro Carvalho Chehab { 15930c0d06caSMauro Carvalho Chehab switch (reg) { 15940c0d06caSMauro Carvalho Chehab case EM28XX_R40_AC97LSB: 15950c0d06caSMauro Carvalho Chehab case EM28XX_R30_HSCALELOW: 15960c0d06caSMauro Carvalho Chehab case EM28XX_R32_VSCALELOW: 15970c0d06caSMauro Carvalho Chehab return 2; 15980c0d06caSMauro Carvalho Chehab default: 15990c0d06caSMauro Carvalho Chehab return 1; 16000c0d06caSMauro Carvalho Chehab } 16010c0d06caSMauro Carvalho Chehab } 16020c0d06caSMauro Carvalho Chehab 16030c0d06caSMauro Carvalho Chehab static int vidioc_g_chip_ident(struct file *file, void *priv, 16040c0d06caSMauro Carvalho Chehab struct v4l2_dbg_chip_ident *chip) 16050c0d06caSMauro Carvalho Chehab { 16060c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16070c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16080c0d06caSMauro Carvalho Chehab 16090c0d06caSMauro Carvalho Chehab chip->ident = V4L2_IDENT_NONE; 16100c0d06caSMauro Carvalho Chehab chip->revision = 0; 16110c0d06caSMauro Carvalho Chehab 16120c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); 16130c0d06caSMauro Carvalho Chehab 16140c0d06caSMauro Carvalho Chehab return 0; 16150c0d06caSMauro Carvalho Chehab } 16160c0d06caSMauro Carvalho Chehab 16170c0d06caSMauro Carvalho Chehab 16180c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16190c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16200c0d06caSMauro Carvalho Chehab { 16210c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16220c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16230c0d06caSMauro Carvalho Chehab int ret; 16240c0d06caSMauro Carvalho Chehab 16250c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 16260c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 16270c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16280c0d06caSMauro Carvalho Chehab if (ret < 0) 16290c0d06caSMauro Carvalho Chehab return ret; 16300c0d06caSMauro Carvalho Chehab 16310c0d06caSMauro Carvalho Chehab reg->val = ret; 16320c0d06caSMauro Carvalho Chehab reg->size = 1; 16330c0d06caSMauro Carvalho Chehab return 0; 16340c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 16350c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 16360c0d06caSMauro Carvalho Chehab return 0; 16370c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 16380c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 16390c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 16400c0d06caSMauro Carvalho Chehab return 0; 16410c0d06caSMauro Carvalho Chehab default: 16420c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 16430c0d06caSMauro Carvalho Chehab return -EINVAL; 16440c0d06caSMauro Carvalho Chehab } 16450c0d06caSMauro Carvalho Chehab 16460c0d06caSMauro Carvalho Chehab /* Match host */ 16470c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16480c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16490c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16500c0d06caSMauro Carvalho Chehab 16510c0d06caSMauro Carvalho Chehab if (ret < 0) 16520c0d06caSMauro Carvalho Chehab return ret; 16530c0d06caSMauro Carvalho Chehab 16540c0d06caSMauro Carvalho Chehab reg->val = ret; 16550c0d06caSMauro Carvalho Chehab } else { 16560c0d06caSMauro Carvalho Chehab __le16 val = 0; 16570c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16580c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16590c0d06caSMauro Carvalho Chehab if (ret < 0) 16600c0d06caSMauro Carvalho Chehab return ret; 16610c0d06caSMauro Carvalho Chehab 16620c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16630c0d06caSMauro Carvalho Chehab } 16640c0d06caSMauro Carvalho Chehab 16650c0d06caSMauro Carvalho Chehab return 0; 16660c0d06caSMauro Carvalho Chehab } 16670c0d06caSMauro Carvalho Chehab 16680c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 16690c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16700c0d06caSMauro Carvalho Chehab { 16710c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16720c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16730c0d06caSMauro Carvalho Chehab __le16 buf; 16740c0d06caSMauro Carvalho Chehab 16750c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 16760c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 16770c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 16780c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 16790c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 16800c0d06caSMauro Carvalho Chehab return 0; 16810c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 16820c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 16830c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 16840c0d06caSMauro Carvalho Chehab return 0; 16850c0d06caSMauro Carvalho Chehab default: 16860c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 16870c0d06caSMauro Carvalho Chehab return -EINVAL; 16880c0d06caSMauro Carvalho Chehab } 16890c0d06caSMauro Carvalho Chehab 16900c0d06caSMauro Carvalho Chehab /* Match host */ 16910c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 16920c0d06caSMauro Carvalho Chehab 16930c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 16940c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 16950c0d06caSMauro Carvalho Chehab } 16960c0d06caSMauro Carvalho Chehab #endif 16970c0d06caSMauro Carvalho Chehab 16980c0d06caSMauro Carvalho Chehab 16990c0d06caSMauro Carvalho Chehab static int vidioc_cropcap(struct file *file, void *priv, 17000c0d06caSMauro Carvalho Chehab struct v4l2_cropcap *cc) 17010c0d06caSMauro Carvalho Chehab { 17020c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17030c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17040c0d06caSMauro Carvalho Chehab 17050c0d06caSMauro Carvalho Chehab if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 17060c0d06caSMauro Carvalho Chehab return -EINVAL; 17070c0d06caSMauro Carvalho Chehab 17080c0d06caSMauro Carvalho Chehab cc->bounds.left = 0; 17090c0d06caSMauro Carvalho Chehab cc->bounds.top = 0; 17100c0d06caSMauro Carvalho Chehab cc->bounds.width = dev->width; 17110c0d06caSMauro Carvalho Chehab cc->bounds.height = dev->height; 17120c0d06caSMauro Carvalho Chehab cc->defrect = cc->bounds; 17130c0d06caSMauro Carvalho Chehab cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ 17140c0d06caSMauro Carvalho Chehab cc->pixelaspect.denominator = 59; 17150c0d06caSMauro Carvalho Chehab 17160c0d06caSMauro Carvalho Chehab return 0; 17170c0d06caSMauro Carvalho Chehab } 17180c0d06caSMauro Carvalho Chehab 17190c0d06caSMauro Carvalho Chehab static int vidioc_streamon(struct file *file, void *priv, 17200c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 17210c0d06caSMauro Carvalho Chehab { 17220c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17230c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17240c0d06caSMauro Carvalho Chehab int rc = -EINVAL; 17250c0d06caSMauro Carvalho Chehab 17260c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17270c0d06caSMauro Carvalho Chehab if (rc < 0) 17280c0d06caSMauro Carvalho Chehab return rc; 17290c0d06caSMauro Carvalho Chehab 17300c0d06caSMauro Carvalho Chehab if (unlikely(type != fh->type)) 17310c0d06caSMauro Carvalho Chehab return -EINVAL; 17320c0d06caSMauro Carvalho Chehab 17330c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", 17340c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 17350c0d06caSMauro Carvalho Chehab 17360c0d06caSMauro Carvalho Chehab if (unlikely(!res_get(fh, get_ressource(fh)))) 17370c0d06caSMauro Carvalho Chehab return -EBUSY; 17380c0d06caSMauro Carvalho Chehab 17390c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17400c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vidq); 17410c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 17420c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vbiq); 17430c0d06caSMauro Carvalho Chehab 17440c0d06caSMauro Carvalho Chehab return rc; 17450c0d06caSMauro Carvalho Chehab } 17460c0d06caSMauro Carvalho Chehab 17470c0d06caSMauro Carvalho Chehab static int vidioc_streamoff(struct file *file, void *priv, 17480c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 17490c0d06caSMauro Carvalho Chehab { 17500c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17510c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17520c0d06caSMauro Carvalho Chehab int rc; 17530c0d06caSMauro Carvalho Chehab 17540c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17550c0d06caSMauro Carvalho Chehab if (rc < 0) 17560c0d06caSMauro Carvalho Chehab return rc; 17570c0d06caSMauro Carvalho Chehab 17580c0d06caSMauro Carvalho Chehab if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 17590c0d06caSMauro Carvalho Chehab fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) 17600c0d06caSMauro Carvalho Chehab return -EINVAL; 17610c0d06caSMauro Carvalho Chehab if (type != fh->type) 17620c0d06caSMauro Carvalho Chehab return -EINVAL; 17630c0d06caSMauro Carvalho Chehab 17640c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", 17650c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 17660c0d06caSMauro Carvalho Chehab 17670c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 17680c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 17690c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vidq); 17700c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 17710c0d06caSMauro Carvalho Chehab } 17720c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 17730c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 17740c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vbiq); 17750c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 17760c0d06caSMauro Carvalho Chehab } 17770c0d06caSMauro Carvalho Chehab } 17780c0d06caSMauro Carvalho Chehab 17790c0d06caSMauro Carvalho Chehab return 0; 17800c0d06caSMauro Carvalho Chehab } 17810c0d06caSMauro Carvalho Chehab 17820c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17830c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17840c0d06caSMauro Carvalho Chehab { 17850c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17860c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17870c0d06caSMauro Carvalho Chehab 17880c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 17890c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 17900c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 17910c0d06caSMauro Carvalho Chehab 17920c0d06caSMauro Carvalho Chehab cap->capabilities = 17930c0d06caSMauro Carvalho Chehab V4L2_CAP_SLICED_VBI_CAPTURE | 17940c0d06caSMauro Carvalho Chehab V4L2_CAP_VIDEO_CAPTURE | 17950c0d06caSMauro Carvalho Chehab V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 17960c0d06caSMauro Carvalho Chehab 17970c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 17980c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 17990c0d06caSMauro Carvalho Chehab 18000c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 18010c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_AUDIO; 18020c0d06caSMauro Carvalho Chehab 18030c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 18040c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_TUNER; 18050c0d06caSMauro Carvalho Chehab 18060c0d06caSMauro Carvalho Chehab return 0; 18070c0d06caSMauro Carvalho Chehab } 18080c0d06caSMauro Carvalho Chehab 18090c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 18100c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 18110c0d06caSMauro Carvalho Chehab { 18120c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 18130c0d06caSMauro Carvalho Chehab return -EINVAL; 18140c0d06caSMauro Carvalho Chehab 18150c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 18160c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 18170c0d06caSMauro Carvalho Chehab 18180c0d06caSMauro Carvalho Chehab return 0; 18190c0d06caSMauro Carvalho Chehab } 18200c0d06caSMauro Carvalho Chehab 18210c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 18220c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 18230c0d06caSMauro Carvalho Chehab { 18240c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18250c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18260c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 18270c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 18280c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 18290c0d06caSMauro Carvalho Chehab 18300c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 18310c0d06caSMauro Carvalho Chehab if (!fmt) { 18320c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 18330c0d06caSMauro Carvalho Chehab fsize->pixel_format); 18340c0d06caSMauro Carvalho Chehab return -EINVAL; 18350c0d06caSMauro Carvalho Chehab } 18360c0d06caSMauro Carvalho Chehab 18370c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 18380c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 18390c0d06caSMauro Carvalho Chehab return -EINVAL; 18400c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 18410c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 18420c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 18430c0d06caSMauro Carvalho Chehab return 0; 18440c0d06caSMauro Carvalho Chehab } 18450c0d06caSMauro Carvalho Chehab 18460c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 18470c0d06caSMauro Carvalho Chehab return -EINVAL; 18480c0d06caSMauro Carvalho Chehab 18490c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 18500c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 18510c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 18520c0d06caSMauro Carvalho Chehab fsize->stepwise.min_height = 32; 18530c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 18540c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 18550c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 18560c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 18570c0d06caSMauro Carvalho Chehab return 0; 18580c0d06caSMauro Carvalho Chehab } 18590c0d06caSMauro Carvalho Chehab 18600c0d06caSMauro Carvalho Chehab /* Sliced VBI ioctls */ 18610c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, 18620c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 18630c0d06caSMauro Carvalho Chehab { 18640c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18650c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18660c0d06caSMauro Carvalho Chehab int rc; 18670c0d06caSMauro Carvalho Chehab 18680c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18690c0d06caSMauro Carvalho Chehab if (rc < 0) 18700c0d06caSMauro Carvalho Chehab return rc; 18710c0d06caSMauro Carvalho Chehab 18720c0d06caSMauro Carvalho Chehab f->fmt.sliced.service_set = 0; 18730c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 18740c0d06caSMauro Carvalho Chehab 18750c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 18760c0d06caSMauro Carvalho Chehab rc = -EINVAL; 18770c0d06caSMauro Carvalho Chehab 18780c0d06caSMauro Carvalho Chehab return rc; 18790c0d06caSMauro Carvalho Chehab } 18800c0d06caSMauro Carvalho Chehab 18810c0d06caSMauro Carvalho Chehab static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, 18820c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 18830c0d06caSMauro Carvalho Chehab { 18840c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18850c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18860c0d06caSMauro Carvalho Chehab int rc; 18870c0d06caSMauro Carvalho Chehab 18880c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18890c0d06caSMauro Carvalho Chehab if (rc < 0) 18900c0d06caSMauro Carvalho Chehab return rc; 18910c0d06caSMauro Carvalho Chehab 18920c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 18930c0d06caSMauro Carvalho Chehab 18940c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 18950c0d06caSMauro Carvalho Chehab return -EINVAL; 18960c0d06caSMauro Carvalho Chehab 18970c0d06caSMauro Carvalho Chehab return 0; 18980c0d06caSMauro Carvalho Chehab } 18990c0d06caSMauro Carvalho Chehab 19000c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 19010c0d06caSMauro Carvalho Chehab 19020c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 19030c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 19040c0d06caSMauro Carvalho Chehab { 19050c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19060c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19070c0d06caSMauro Carvalho Chehab 19080c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 19090c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 19100c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 19110c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 19120c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 19130c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 19140c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 19150c0d06caSMauro Carvalho Chehab 19160c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 19170c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 19180c0d06caSMauro Carvalho Chehab /* NTSC */ 19190c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 19200c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 19210c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 19220c0d06caSMauro Carvalho Chehab /* PAL */ 19230c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 19240c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 19250c0d06caSMauro Carvalho Chehab } 19260c0d06caSMauro Carvalho Chehab 19270c0d06caSMauro Carvalho Chehab return 0; 19280c0d06caSMauro Carvalho Chehab } 19290c0d06caSMauro Carvalho Chehab 19300c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, 19310c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 19320c0d06caSMauro Carvalho Chehab { 19330c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19340c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19350c0d06caSMauro Carvalho Chehab 19360c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 19370c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 19380c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 19390c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 19400c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 19410c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 19420c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 19430c0d06caSMauro Carvalho Chehab 19440c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 19450c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 19460c0d06caSMauro Carvalho Chehab /* NTSC */ 19470c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 19480c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 19490c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 19500c0d06caSMauro Carvalho Chehab /* PAL */ 19510c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 19520c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 19530c0d06caSMauro Carvalho Chehab } 19540c0d06caSMauro Carvalho Chehab 19550c0d06caSMauro Carvalho Chehab return 0; 19560c0d06caSMauro Carvalho Chehab } 19570c0d06caSMauro Carvalho Chehab 19580c0d06caSMauro Carvalho Chehab static int vidioc_reqbufs(struct file *file, void *priv, 19590c0d06caSMauro Carvalho Chehab struct v4l2_requestbuffers *rb) 19600c0d06caSMauro Carvalho Chehab { 19610c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19620c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19630c0d06caSMauro Carvalho Chehab int rc; 19640c0d06caSMauro Carvalho Chehab 19650c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 19660c0d06caSMauro Carvalho Chehab if (rc < 0) 19670c0d06caSMauro Carvalho Chehab return rc; 19680c0d06caSMauro Carvalho Chehab 19690c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 19700c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vidq, rb); 19710c0d06caSMauro Carvalho Chehab else 19720c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vbiq, rb); 19730c0d06caSMauro Carvalho Chehab } 19740c0d06caSMauro Carvalho Chehab 19750c0d06caSMauro Carvalho Chehab static int vidioc_querybuf(struct file *file, void *priv, 19760c0d06caSMauro Carvalho Chehab struct v4l2_buffer *b) 19770c0d06caSMauro Carvalho Chehab { 19780c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19790c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19800c0d06caSMauro Carvalho Chehab int rc; 19810c0d06caSMauro Carvalho Chehab 19820c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 19830c0d06caSMauro Carvalho Chehab if (rc < 0) 19840c0d06caSMauro Carvalho Chehab return rc; 19850c0d06caSMauro Carvalho Chehab 19860c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 19870c0d06caSMauro Carvalho Chehab return videobuf_querybuf(&fh->vb_vidq, b); 19880c0d06caSMauro Carvalho Chehab else { 19890c0d06caSMauro Carvalho Chehab /* FIXME: I'm not sure yet whether this is a bug in zvbi or 19900c0d06caSMauro Carvalho Chehab the videobuf framework, but we probably shouldn't be 19910c0d06caSMauro Carvalho Chehab returning a buffer larger than that which was asked for. 19920c0d06caSMauro Carvalho Chehab At a minimum, it causes a crash in zvbi since it does 19930c0d06caSMauro Carvalho Chehab a memcpy based on the source buffer length */ 19940c0d06caSMauro Carvalho Chehab int result = videobuf_querybuf(&fh->vb_vbiq, b); 19950c0d06caSMauro Carvalho Chehab b->length = dev->vbi_width * dev->vbi_height * 2; 19960c0d06caSMauro Carvalho Chehab 19970c0d06caSMauro Carvalho Chehab return result; 19980c0d06caSMauro Carvalho Chehab } 19990c0d06caSMauro Carvalho Chehab } 20000c0d06caSMauro Carvalho Chehab 20010c0d06caSMauro Carvalho Chehab static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 20020c0d06caSMauro Carvalho Chehab { 20030c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 20040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 20050c0d06caSMauro Carvalho Chehab int rc; 20060c0d06caSMauro Carvalho Chehab 20070c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 20080c0d06caSMauro Carvalho Chehab if (rc < 0) 20090c0d06caSMauro Carvalho Chehab return rc; 20100c0d06caSMauro Carvalho Chehab 20110c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 20120c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vidq, b); 20130c0d06caSMauro Carvalho Chehab else 20140c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vbiq, b); 20150c0d06caSMauro Carvalho Chehab } 20160c0d06caSMauro Carvalho Chehab 20170c0d06caSMauro Carvalho Chehab static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 20180c0d06caSMauro Carvalho Chehab { 20190c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 20200c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 20210c0d06caSMauro Carvalho Chehab int rc; 20220c0d06caSMauro Carvalho Chehab 20230c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 20240c0d06caSMauro Carvalho Chehab if (rc < 0) 20250c0d06caSMauro Carvalho Chehab return rc; 20260c0d06caSMauro Carvalho Chehab 20270c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 20280c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & 20290c0d06caSMauro Carvalho Chehab O_NONBLOCK); 20300c0d06caSMauro Carvalho Chehab else 20310c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & 20320c0d06caSMauro Carvalho Chehab O_NONBLOCK); 20330c0d06caSMauro Carvalho Chehab } 20340c0d06caSMauro Carvalho Chehab 20350c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 20360c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 20370c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 20380c0d06caSMauro Carvalho Chehab 20390c0d06caSMauro Carvalho Chehab static int radio_querycap(struct file *file, void *priv, 20400c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 20410c0d06caSMauro Carvalho Chehab { 20420c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20430c0d06caSMauro Carvalho Chehab 20440c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 20450c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 20460c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 20470c0d06caSMauro Carvalho Chehab 20480c0d06caSMauro Carvalho Chehab cap->capabilities = V4L2_CAP_TUNER; 20490c0d06caSMauro Carvalho Chehab return 0; 20500c0d06caSMauro Carvalho Chehab } 20510c0d06caSMauro Carvalho Chehab 20520c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 20530c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 20540c0d06caSMauro Carvalho Chehab { 20550c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20560c0d06caSMauro Carvalho Chehab 20570c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 20580c0d06caSMauro Carvalho Chehab return -EINVAL; 20590c0d06caSMauro Carvalho Chehab 20600c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 20610c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_RADIO; 20620c0d06caSMauro Carvalho Chehab 20630c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 20640c0d06caSMauro Carvalho Chehab 20650c0d06caSMauro Carvalho Chehab return 0; 20660c0d06caSMauro Carvalho Chehab } 20670c0d06caSMauro Carvalho Chehab 20680c0d06caSMauro Carvalho Chehab static int radio_enum_input(struct file *file, void *priv, 20690c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 20700c0d06caSMauro Carvalho Chehab { 20710c0d06caSMauro Carvalho Chehab if (i->index != 0) 20720c0d06caSMauro Carvalho Chehab return -EINVAL; 20730c0d06caSMauro Carvalho Chehab strcpy(i->name, "Radio"); 20740c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 20750c0d06caSMauro Carvalho Chehab 20760c0d06caSMauro Carvalho Chehab return 0; 20770c0d06caSMauro Carvalho Chehab } 20780c0d06caSMauro Carvalho Chehab 20790c0d06caSMauro Carvalho Chehab static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 20800c0d06caSMauro Carvalho Chehab { 20810c0d06caSMauro Carvalho Chehab if (unlikely(a->index)) 20820c0d06caSMauro Carvalho Chehab return -EINVAL; 20830c0d06caSMauro Carvalho Chehab 20840c0d06caSMauro Carvalho Chehab strcpy(a->name, "Radio"); 20850c0d06caSMauro Carvalho Chehab return 0; 20860c0d06caSMauro Carvalho Chehab } 20870c0d06caSMauro Carvalho Chehab 20880c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 20890c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 20900c0d06caSMauro Carvalho Chehab { 20910c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20920c0d06caSMauro Carvalho Chehab 20930c0d06caSMauro Carvalho Chehab if (0 != t->index) 20940c0d06caSMauro Carvalho Chehab return -EINVAL; 20950c0d06caSMauro Carvalho Chehab 20960c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 20970c0d06caSMauro Carvalho Chehab 20980c0d06caSMauro Carvalho Chehab return 0; 20990c0d06caSMauro Carvalho Chehab } 21000c0d06caSMauro Carvalho Chehab 21010c0d06caSMauro Carvalho Chehab static int radio_s_audio(struct file *file, void *fh, 21020e8025b9SHans Verkuil const struct v4l2_audio *a) 21030c0d06caSMauro Carvalho Chehab { 21040c0d06caSMauro Carvalho Chehab return 0; 21050c0d06caSMauro Carvalho Chehab } 21060c0d06caSMauro Carvalho Chehab 21070c0d06caSMauro Carvalho Chehab static int radio_s_input(struct file *file, void *fh, unsigned int i) 21080c0d06caSMauro Carvalho Chehab { 21090c0d06caSMauro Carvalho Chehab return 0; 21100c0d06caSMauro Carvalho Chehab } 21110c0d06caSMauro Carvalho Chehab 21120c0d06caSMauro Carvalho Chehab static int radio_queryctrl(struct file *file, void *priv, 21130c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 21140c0d06caSMauro Carvalho Chehab { 21150c0d06caSMauro Carvalho Chehab int i; 21160c0d06caSMauro Carvalho Chehab 21170c0d06caSMauro Carvalho Chehab if (qc->id < V4L2_CID_BASE || 21180c0d06caSMauro Carvalho Chehab qc->id >= V4L2_CID_LASTP1) 21190c0d06caSMauro Carvalho Chehab return -EINVAL; 21200c0d06caSMauro Carvalho Chehab 21210c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 21220c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 21230c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 21240c0d06caSMauro Carvalho Chehab return 0; 21250c0d06caSMauro Carvalho Chehab } 21260c0d06caSMauro Carvalho Chehab } 21270c0d06caSMauro Carvalho Chehab 21280c0d06caSMauro Carvalho Chehab return -EINVAL; 21290c0d06caSMauro Carvalho Chehab } 21300c0d06caSMauro Carvalho Chehab 21310c0d06caSMauro Carvalho Chehab /* 21320c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 21330c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 21340c0d06caSMauro Carvalho Chehab */ 21350c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 21360c0d06caSMauro Carvalho Chehab { 21370c0d06caSMauro Carvalho Chehab int errCode = 0, radio = 0; 21380c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 21390c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 21400c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 21410c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 21420c0d06caSMauro Carvalho Chehab enum v4l2_field field; 21430c0d06caSMauro Carvalho Chehab 21440c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 21450c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 21460c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 21470c0d06caSMauro Carvalho Chehab break; 21480c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 21490c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 21500c0d06caSMauro Carvalho Chehab break; 21510c0d06caSMauro Carvalho Chehab case VFL_TYPE_RADIO: 21520c0d06caSMauro Carvalho Chehab radio = 1; 21530c0d06caSMauro Carvalho Chehab break; 21540c0d06caSMauro Carvalho Chehab } 21550c0d06caSMauro Carvalho Chehab 21560c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 21570c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 21580c0d06caSMauro Carvalho Chehab dev->users); 21590c0d06caSMauro Carvalho Chehab 21600c0d06caSMauro Carvalho Chehab 21610c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 21620c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 21630c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 21640c0d06caSMauro Carvalho Chehab if (!fh) { 21650c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 21660c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21670c0d06caSMauro Carvalho Chehab return -ENOMEM; 21680c0d06caSMauro Carvalho Chehab } 21690c0d06caSMauro Carvalho Chehab fh->dev = dev; 21700c0d06caSMauro Carvalho Chehab fh->radio = radio; 21710c0d06caSMauro Carvalho Chehab fh->type = fh_type; 21720c0d06caSMauro Carvalho Chehab filp->private_data = fh; 21730c0d06caSMauro Carvalho Chehab 21740c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { 21750c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 21760c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 21770c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 21780c0d06caSMauro Carvalho Chehab 21790c0d06caSMauro Carvalho Chehab /* Needed, since GPIO might have disabled power of 21800c0d06caSMauro Carvalho Chehab some i2c device 21810c0d06caSMauro Carvalho Chehab */ 21820c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 21830c0d06caSMauro Carvalho Chehab 21840c0d06caSMauro Carvalho Chehab } 21850c0d06caSMauro Carvalho Chehab if (fh->radio) { 21860c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 21870c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); 21880c0d06caSMauro Carvalho Chehab } 21890c0d06caSMauro Carvalho Chehab 21900c0d06caSMauro Carvalho Chehab dev->users++; 21910c0d06caSMauro Carvalho Chehab 21920c0d06caSMauro Carvalho Chehab if (dev->progressive) 21930c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_NONE; 21940c0d06caSMauro Carvalho Chehab else 21950c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_INTERLACED; 21960c0d06caSMauro Carvalho Chehab 21970c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, 21980c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 21990c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VIDEO_CAPTURE, field, 22000c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 22010c0d06caSMauro Carvalho Chehab 22020c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops, 22030c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 22040c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VBI_CAPTURE, 22050c0d06caSMauro Carvalho Chehab V4L2_FIELD_SEQ_TB, 22060c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 22070c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 22080c0d06caSMauro Carvalho Chehab 22090c0d06caSMauro Carvalho Chehab return errCode; 22100c0d06caSMauro Carvalho Chehab } 22110c0d06caSMauro Carvalho Chehab 22120c0d06caSMauro Carvalho Chehab /* 22130c0d06caSMauro Carvalho Chehab * em28xx_realease_resources() 22140c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 22150c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 22160c0d06caSMauro Carvalho Chehab */ 22170c0d06caSMauro Carvalho Chehab void em28xx_release_analog_resources(struct em28xx *dev) 22180c0d06caSMauro Carvalho Chehab { 22190c0d06caSMauro Carvalho Chehab 22200c0d06caSMauro Carvalho Chehab /*FIXME: I2C IR should be disconnected */ 22210c0d06caSMauro Carvalho Chehab 22220c0d06caSMauro Carvalho Chehab if (dev->radio_dev) { 22230c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->radio_dev)) 22240c0d06caSMauro Carvalho Chehab video_unregister_device(dev->radio_dev); 22250c0d06caSMauro Carvalho Chehab else 22260c0d06caSMauro Carvalho Chehab video_device_release(dev->radio_dev); 22270c0d06caSMauro Carvalho Chehab dev->radio_dev = NULL; 22280c0d06caSMauro Carvalho Chehab } 22290c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) { 22300c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 22310c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 22320c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vbi_dev)) 22330c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vbi_dev); 22340c0d06caSMauro Carvalho Chehab else 22350c0d06caSMauro Carvalho Chehab video_device_release(dev->vbi_dev); 22360c0d06caSMauro Carvalho Chehab dev->vbi_dev = NULL; 22370c0d06caSMauro Carvalho Chehab } 22380c0d06caSMauro Carvalho Chehab if (dev->vdev) { 22390c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 22400c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 22410c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vdev)) 22420c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vdev); 22430c0d06caSMauro Carvalho Chehab else 22440c0d06caSMauro Carvalho Chehab video_device_release(dev->vdev); 22450c0d06caSMauro Carvalho Chehab dev->vdev = NULL; 22460c0d06caSMauro Carvalho Chehab } 22470c0d06caSMauro Carvalho Chehab } 22480c0d06caSMauro Carvalho Chehab 22490c0d06caSMauro Carvalho Chehab /* 22500c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 22510c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 22520c0d06caSMauro Carvalho Chehab * calls and ioctls 22530c0d06caSMauro Carvalho Chehab */ 22540c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 22550c0d06caSMauro Carvalho Chehab { 22560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 22570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 22580c0d06caSMauro Carvalho Chehab int errCode; 22590c0d06caSMauro Carvalho Chehab 22600c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 22610c0d06caSMauro Carvalho Chehab 22620c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 22630c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 22640c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vidq); 22650c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 22660c0d06caSMauro Carvalho Chehab } 22670c0d06caSMauro Carvalho Chehab 22680c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 22690c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vbiq); 22700c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 22710c0d06caSMauro Carvalho Chehab } 22720c0d06caSMauro Carvalho Chehab 22730c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 22740c0d06caSMauro Carvalho Chehab /* the device is already disconnect, 22750c0d06caSMauro Carvalho Chehab free the remaining resources */ 22760c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 22770c0d06caSMauro Carvalho Chehab em28xx_release_resources(dev); 22780cf544a6SFrank Schaefer kfree(dev->alt_max_pkt_size_isoc); 2279e36c92fdSDan Carpenter mutex_unlock(&dev->lock); 22800c0d06caSMauro Carvalho Chehab kfree(dev); 22810c0d06caSMauro Carvalho Chehab kfree(fh); 22820c0d06caSMauro Carvalho Chehab return 0; 22830c0d06caSMauro Carvalho Chehab } 22840c0d06caSMauro Carvalho Chehab 22850c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 22860c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); 22870c0d06caSMauro Carvalho Chehab 22880c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 2289afb177e0SFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 22900c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 22910c0d06caSMauro Carvalho Chehab 22920c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 22930c0d06caSMauro Carvalho Chehab dev->alt = 0; 22940c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 22950c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 22960c0d06caSMauro Carvalho Chehab if (errCode < 0) { 22970c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 22980c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 22990c0d06caSMauro Carvalho Chehab } 23000c0d06caSMauro Carvalho Chehab } 23010c0d06caSMauro Carvalho Chehab 23020c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vidq); 23030c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vbiq); 23040c0d06caSMauro Carvalho Chehab kfree(fh); 23050c0d06caSMauro Carvalho Chehab dev->users--; 23060c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23070c0d06caSMauro Carvalho Chehab return 0; 23080c0d06caSMauro Carvalho Chehab } 23090c0d06caSMauro Carvalho Chehab 23100c0d06caSMauro Carvalho Chehab /* 23110c0d06caSMauro Carvalho Chehab * em28xx_v4l2_read() 23120c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 23130c0d06caSMauro Carvalho Chehab */ 23140c0d06caSMauro Carvalho Chehab static ssize_t 23150c0d06caSMauro Carvalho Chehab em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, 23160c0d06caSMauro Carvalho Chehab loff_t *pos) 23170c0d06caSMauro Carvalho Chehab { 23180c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23190c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23200c0d06caSMauro Carvalho Chehab int rc; 23210c0d06caSMauro Carvalho Chehab 23220c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23230c0d06caSMauro Carvalho Chehab if (rc < 0) 23240c0d06caSMauro Carvalho Chehab return rc; 23250c0d06caSMauro Carvalho Chehab 23260c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 23270c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 23280c0d06caSMauro Carvalho Chehab /* FIXME: read() is not prepared to allow changing the video 23290c0d06caSMauro Carvalho Chehab resolution while streaming. Seems a bug at em28xx_set_fmt 23300c0d06caSMauro Carvalho Chehab */ 23310c0d06caSMauro Carvalho Chehab 23320c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 23330c0d06caSMauro Carvalho Chehab if (res_locked(dev, EM28XX_RESOURCE_VIDEO)) 23340c0d06caSMauro Carvalho Chehab rc = -EBUSY; 23350c0d06caSMauro Carvalho Chehab else 23360c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, 23370c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 23380c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 23390c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 23400c0d06caSMauro Carvalho Chehab rc = -EBUSY; 23410c0d06caSMauro Carvalho Chehab else 23420c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, 23430c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 23440c0d06caSMauro Carvalho Chehab } 23450c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23460c0d06caSMauro Carvalho Chehab 23470c0d06caSMauro Carvalho Chehab return rc; 23480c0d06caSMauro Carvalho Chehab } 23490c0d06caSMauro Carvalho Chehab 23500c0d06caSMauro Carvalho Chehab /* 23510c0d06caSMauro Carvalho Chehab * em28xx_poll() 23520c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 23530c0d06caSMauro Carvalho Chehab */ 23540c0d06caSMauro Carvalho Chehab static unsigned int em28xx_poll(struct file *filp, poll_table *wait) 23550c0d06caSMauro Carvalho Chehab { 23560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23580c0d06caSMauro Carvalho Chehab int rc; 23590c0d06caSMauro Carvalho Chehab 23600c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23610c0d06caSMauro Carvalho Chehab if (rc < 0) 23620c0d06caSMauro Carvalho Chehab return rc; 23630c0d06caSMauro Carvalho Chehab 23640c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 23650c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VIDEO)) 23660c0d06caSMauro Carvalho Chehab return POLLERR; 23670c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vidq, wait); 23680c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 23690c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 23700c0d06caSMauro Carvalho Chehab return POLLERR; 23710c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); 23720c0d06caSMauro Carvalho Chehab } else { 23730c0d06caSMauro Carvalho Chehab return POLLERR; 23740c0d06caSMauro Carvalho Chehab } 23750c0d06caSMauro Carvalho Chehab } 23760c0d06caSMauro Carvalho Chehab 23770c0d06caSMauro Carvalho Chehab static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) 23780c0d06caSMauro Carvalho Chehab { 23790c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23800c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23810c0d06caSMauro Carvalho Chehab unsigned int res; 23820c0d06caSMauro Carvalho Chehab 23830c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 23840c0d06caSMauro Carvalho Chehab res = em28xx_poll(filp, wait); 23850c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23860c0d06caSMauro Carvalho Chehab return res; 23870c0d06caSMauro Carvalho Chehab } 23880c0d06caSMauro Carvalho Chehab 23890c0d06caSMauro Carvalho Chehab /* 23900c0d06caSMauro Carvalho Chehab * em28xx_v4l2_mmap() 23910c0d06caSMauro Carvalho Chehab */ 23920c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) 23930c0d06caSMauro Carvalho Chehab { 23940c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23950c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23960c0d06caSMauro Carvalho Chehab int rc; 23970c0d06caSMauro Carvalho Chehab 23980c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23990c0d06caSMauro Carvalho Chehab if (rc < 0) 24000c0d06caSMauro Carvalho Chehab return rc; 24010c0d06caSMauro Carvalho Chehab 24020c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 24030c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 24040c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 24050c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); 24060c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 24070c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); 24080c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 24090c0d06caSMauro Carvalho Chehab 24100c0d06caSMauro Carvalho Chehab em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", 24110c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_start, 24120c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, 24130c0d06caSMauro Carvalho Chehab rc); 24140c0d06caSMauro Carvalho Chehab 24150c0d06caSMauro Carvalho Chehab return rc; 24160c0d06caSMauro Carvalho Chehab } 24170c0d06caSMauro Carvalho Chehab 24180c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 24190c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 24200c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 24210c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 24220c0d06caSMauro Carvalho Chehab .read = em28xx_v4l2_read, 24230c0d06caSMauro Carvalho Chehab .poll = em28xx_v4l2_poll, 24240c0d06caSMauro Carvalho Chehab .mmap = em28xx_v4l2_mmap, 24250c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 24260c0d06caSMauro Carvalho Chehab }; 24270c0d06caSMauro Carvalho Chehab 24280c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 24290c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 24300c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 24310c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 24320c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 24330c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 24340c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 24350c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 24360c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 24370c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 24380c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 24390c0d06caSMauro Carvalho Chehab .vidioc_cropcap = vidioc_cropcap, 24400c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, 24410c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 24420c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 24430c0d06caSMauro Carvalho Chehab 24440c0d06caSMauro Carvalho Chehab .vidioc_reqbufs = vidioc_reqbufs, 24450c0d06caSMauro Carvalho Chehab .vidioc_querybuf = vidioc_querybuf, 24460c0d06caSMauro Carvalho Chehab .vidioc_qbuf = vidioc_qbuf, 24470c0d06caSMauro Carvalho Chehab .vidioc_dqbuf = vidioc_dqbuf, 24480c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 24490c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 24500c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 24510c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 24520c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 24530c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 24540c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 24550c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 24560c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = vidioc_queryctrl, 24570c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 24580c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 24590c0d06caSMauro Carvalho Chehab .vidioc_streamon = vidioc_streamon, 24600c0d06caSMauro Carvalho Chehab .vidioc_streamoff = vidioc_streamoff, 24610c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 24620c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 24630c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 24640c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 24650c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 24660c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 24670c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 24680c0d06caSMauro Carvalho Chehab .vidioc_g_chip_ident = vidioc_g_chip_ident, 24690c0d06caSMauro Carvalho Chehab #endif 24700c0d06caSMauro Carvalho Chehab }; 24710c0d06caSMauro Carvalho Chehab 24720c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 24730c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 24740c0d06caSMauro Carvalho Chehab .release = video_device_release, 24750c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 24760c0d06caSMauro Carvalho Chehab 24770c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 24780c0d06caSMauro Carvalho Chehab .current_norm = V4L2_STD_PAL, 24790c0d06caSMauro Carvalho Chehab }; 24800c0d06caSMauro Carvalho Chehab 24810c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 24820c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 24830c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 24840c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 24850c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 24860c0d06caSMauro Carvalho Chehab }; 24870c0d06caSMauro Carvalho Chehab 24880c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 24890c0d06caSMauro Carvalho Chehab .vidioc_querycap = radio_querycap, 24900c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 24910c0d06caSMauro Carvalho Chehab .vidioc_enum_input = radio_enum_input, 24920c0d06caSMauro Carvalho Chehab .vidioc_g_audio = radio_g_audio, 24930c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 24940c0d06caSMauro Carvalho Chehab .vidioc_s_audio = radio_s_audio, 24950c0d06caSMauro Carvalho Chehab .vidioc_s_input = radio_s_input, 24960c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = radio_queryctrl, 24970c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 24980c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 24990c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 25000c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 25010c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 25020c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 25030c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 25040c0d06caSMauro Carvalho Chehab #endif 25050c0d06caSMauro Carvalho Chehab }; 25060c0d06caSMauro Carvalho Chehab 25070c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 25080c0d06caSMauro Carvalho Chehab .name = "em28xx-radio", 25090c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 25100c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 25110c0d06caSMauro Carvalho Chehab }; 25120c0d06caSMauro Carvalho Chehab 25130c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 25140c0d06caSMauro Carvalho Chehab 25150c0d06caSMauro Carvalho Chehab 25160c0d06caSMauro Carvalho Chehab 25170c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 25180c0d06caSMauro Carvalho Chehab const struct video_device *template, 25190c0d06caSMauro Carvalho Chehab const char *type_name) 25200c0d06caSMauro Carvalho Chehab { 25210c0d06caSMauro Carvalho Chehab struct video_device *vfd; 25220c0d06caSMauro Carvalho Chehab 25230c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 25240c0d06caSMauro Carvalho Chehab if (NULL == vfd) 25250c0d06caSMauro Carvalho Chehab return NULL; 25260c0d06caSMauro Carvalho Chehab 25270c0d06caSMauro Carvalho Chehab *vfd = *template; 25280c0d06caSMauro Carvalho Chehab vfd->v4l2_dev = &dev->v4l2_dev; 25290c0d06caSMauro Carvalho Chehab vfd->release = video_device_release; 25300c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 25310c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 25320c0d06caSMauro Carvalho Chehab 25330c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 25340c0d06caSMauro Carvalho Chehab dev->name, type_name); 25350c0d06caSMauro Carvalho Chehab 25360c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 25370c0d06caSMauro Carvalho Chehab return vfd; 25380c0d06caSMauro Carvalho Chehab } 25390c0d06caSMauro Carvalho Chehab 25400c0d06caSMauro Carvalho Chehab int em28xx_register_analog_devices(struct em28xx *dev) 25410c0d06caSMauro Carvalho Chehab { 25420c0d06caSMauro Carvalho Chehab u8 val; 25430c0d06caSMauro Carvalho Chehab int ret; 25440c0d06caSMauro Carvalho Chehab unsigned int maxw; 25450c0d06caSMauro Carvalho Chehab 25460c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s: v4l2 driver version %s\n", 25470c0d06caSMauro Carvalho Chehab dev->name, EM28XX_VERSION); 25480c0d06caSMauro Carvalho Chehab 25490c0d06caSMauro Carvalho Chehab /* set default norm */ 25500c0d06caSMauro Carvalho Chehab dev->norm = em28xx_video_template.current_norm; 25510c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 25520c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 25530c0d06caSMauro Carvalho Chehab 25540c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 25550c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 25560c0d06caSMauro Carvalho Chehab 25570c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 25580c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 25590c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 25600c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 25610c0d06caSMauro Carvalho Chehab maxw /= 2; 25620c0d06caSMauro Carvalho Chehab 25630c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 25640c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 25650c0d06caSMauro Carvalho Chehab 25660c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 25670c0d06caSMauro Carvalho Chehab 25680c0d06caSMauro Carvalho Chehab /* Audio defaults */ 25690c0d06caSMauro Carvalho Chehab dev->mute = 1; 25700c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 25710c0d06caSMauro Carvalho Chehab 25720c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 25730c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 25740c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 25750c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 25760c0d06caSMauro Carvalho Chehab 25770c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 25780c0d06caSMauro Carvalho Chehab em28xx_colorlevels_set_default(dev); 25790c0d06caSMauro Carvalho Chehab em28xx_compression_disable(dev); 25800c0d06caSMauro Carvalho Chehab 25810c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 25820c0d06caSMauro Carvalho Chehab dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 25830c0d06caSMauro Carvalho Chehab if (!dev->vdev) { 25840c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 25850c0d06caSMauro Carvalho Chehab return -ENODEV; 25860c0d06caSMauro Carvalho Chehab } 25870c0d06caSMauro Carvalho Chehab 25880c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 25890c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, 25900c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25910c0d06caSMauro Carvalho Chehab if (ret) { 25920c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25930c0d06caSMauro Carvalho Chehab ret); 25940c0d06caSMauro Carvalho Chehab return ret; 25950c0d06caSMauro Carvalho Chehab } 25960c0d06caSMauro Carvalho Chehab 25970c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25980c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 25990c0d06caSMauro Carvalho Chehab dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 26000c0d06caSMauro Carvalho Chehab "vbi"); 26010c0d06caSMauro Carvalho Chehab 26020c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 26030c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 26040c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 26050c0d06caSMauro Carvalho Chehab if (ret < 0) { 26060c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 26070c0d06caSMauro Carvalho Chehab return ret; 26080c0d06caSMauro Carvalho Chehab } 26090c0d06caSMauro Carvalho Chehab } 26100c0d06caSMauro Carvalho Chehab 26110c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 26120c0d06caSMauro Carvalho Chehab dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 26130c0d06caSMauro Carvalho Chehab "radio"); 26140c0d06caSMauro Carvalho Chehab if (!dev->radio_dev) { 26150c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 26160c0d06caSMauro Carvalho Chehab return -ENODEV; 26170c0d06caSMauro Carvalho Chehab } 26180c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, 26190c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 26200c0d06caSMauro Carvalho Chehab if (ret < 0) { 26210c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 26220c0d06caSMauro Carvalho Chehab return ret; 26230c0d06caSMauro Carvalho Chehab } 26240c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 26250c0d06caSMauro Carvalho Chehab video_device_node_name(dev->radio_dev)); 26260c0d06caSMauro Carvalho Chehab } 26270c0d06caSMauro Carvalho Chehab 26280c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 26290c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 26300c0d06caSMauro Carvalho Chehab 26310c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 26320c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 26330c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 26340c0d06caSMauro Carvalho Chehab 26350c0d06caSMauro Carvalho Chehab return 0; 26360c0d06caSMauro Carvalho Chehab } 2637