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> 90c0d06caSMauro Carvalho Chehab 100c0d06caSMauro Carvalho Chehab Some parts based on SN9C10x PC Camera Controllers GPL driver made 110c0d06caSMauro Carvalho Chehab by Luca Risolia <luca.risolia@studio.unibo.it> 120c0d06caSMauro Carvalho Chehab 130c0d06caSMauro Carvalho Chehab This program is free software; you can redistribute it and/or modify 140c0d06caSMauro Carvalho Chehab it under the terms of the GNU General Public License as published by 150c0d06caSMauro Carvalho Chehab the Free Software Foundation; either version 2 of the License, or 160c0d06caSMauro Carvalho Chehab (at your option) any later version. 170c0d06caSMauro Carvalho Chehab 180c0d06caSMauro Carvalho Chehab This program is distributed in the hope that it will be useful, 190c0d06caSMauro Carvalho Chehab but WITHOUT ANY WARRANTY; without even the implied warranty of 200c0d06caSMauro Carvalho Chehab MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 210c0d06caSMauro Carvalho Chehab GNU General Public License for more details. 220c0d06caSMauro Carvalho Chehab 230c0d06caSMauro Carvalho Chehab You should have received a copy of the GNU General Public License 240c0d06caSMauro Carvalho Chehab along with this program; if not, write to the Free Software 250c0d06caSMauro Carvalho Chehab Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 260c0d06caSMauro Carvalho Chehab */ 270c0d06caSMauro Carvalho Chehab 280c0d06caSMauro Carvalho Chehab #include <linux/init.h> 290c0d06caSMauro Carvalho Chehab #include <linux/list.h> 300c0d06caSMauro Carvalho Chehab #include <linux/module.h> 310c0d06caSMauro Carvalho Chehab #include <linux/kernel.h> 320c0d06caSMauro Carvalho Chehab #include <linux/bitmap.h> 330c0d06caSMauro Carvalho Chehab #include <linux/usb.h> 340c0d06caSMauro Carvalho Chehab #include <linux/i2c.h> 350c0d06caSMauro Carvalho Chehab #include <linux/mm.h> 360c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 370c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 380c0d06caSMauro Carvalho Chehab 390c0d06caSMauro Carvalho Chehab #include "em28xx.h" 400c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 410c0d06caSMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 420c0d06caSMauro Carvalho Chehab #include <media/v4l2-chip-ident.h> 430c0d06caSMauro Carvalho Chehab #include <media/msp3400.h> 440c0d06caSMauro Carvalho Chehab #include <media/tuner.h> 450c0d06caSMauro Carvalho Chehab 460c0d06caSMauro Carvalho Chehab #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ 470c0d06caSMauro Carvalho Chehab "Markus Rechberger <mrechberger@gmail.com>, " \ 480c0d06caSMauro Carvalho Chehab "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ 490c0d06caSMauro Carvalho Chehab "Sascha Sommer <saschasommer@freenet.de>" 500c0d06caSMauro Carvalho Chehab 510c0d06caSMauro Carvalho Chehab #define DRIVER_DESC "Empia em28xx based USB video device driver" 520c0d06caSMauro Carvalho Chehab 530c0d06caSMauro Carvalho Chehab #define EM28XX_VERSION "0.1.3" 540c0d06caSMauro Carvalho Chehab 550c0d06caSMauro Carvalho Chehab #define em28xx_videodbg(fmt, arg...) do {\ 560c0d06caSMauro Carvalho Chehab if (video_debug) \ 570c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 580c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); } while (0) 590c0d06caSMauro Carvalho Chehab 600c0d06caSMauro Carvalho Chehab static unsigned int isoc_debug; 610c0d06caSMauro Carvalho Chehab module_param(isoc_debug, int, 0644); 620c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 630c0d06caSMauro Carvalho Chehab 640c0d06caSMauro Carvalho Chehab #define em28xx_isocdbg(fmt, arg...) \ 650c0d06caSMauro Carvalho Chehab do {\ 660c0d06caSMauro Carvalho Chehab if (isoc_debug) { \ 670c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 680c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); \ 690c0d06caSMauro Carvalho Chehab } \ 700c0d06caSMauro Carvalho Chehab } while (0) 710c0d06caSMauro Carvalho Chehab 720c0d06caSMauro Carvalho Chehab MODULE_AUTHOR(DRIVER_AUTHOR); 730c0d06caSMauro Carvalho Chehab MODULE_DESCRIPTION(DRIVER_DESC); 740c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 750c0d06caSMauro Carvalho Chehab MODULE_VERSION(EM28XX_VERSION); 760c0d06caSMauro Carvalho Chehab 770c0d06caSMauro Carvalho Chehab static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 780c0d06caSMauro Carvalho Chehab static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 790c0d06caSMauro Carvalho Chehab static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; 800c0d06caSMauro Carvalho Chehab 810c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 820c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 830c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 840c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 850c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 860c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 870c0d06caSMauro Carvalho Chehab 880c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 890c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 900c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 910c0d06caSMauro Carvalho Chehab 920c0d06caSMauro Carvalho Chehab /* supported video standards */ 930c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 940c0d06caSMauro Carvalho Chehab { 950c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 960c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 970c0d06caSMauro Carvalho Chehab .depth = 16, 980c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 990c0d06caSMauro Carvalho Chehab }, { 1000c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1010c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1020c0d06caSMauro Carvalho Chehab .depth = 16, 1030c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1040c0d06caSMauro Carvalho Chehab }, { 1050c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1060c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1070c0d06caSMauro Carvalho Chehab .depth = 8, 1080c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1090c0d06caSMauro Carvalho Chehab }, { 1100c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1110c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1120c0d06caSMauro Carvalho Chehab .depth = 8, 1130c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1140c0d06caSMauro Carvalho Chehab }, { 1150c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1160c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1170c0d06caSMauro Carvalho Chehab .depth = 8, 1180c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1190c0d06caSMauro Carvalho Chehab }, { 1200c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1210c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1220c0d06caSMauro Carvalho Chehab .depth = 12, 1230c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1240c0d06caSMauro Carvalho Chehab }, 1250c0d06caSMauro Carvalho Chehab }; 1260c0d06caSMauro Carvalho Chehab 1270c0d06caSMauro Carvalho Chehab /* supported controls */ 1280c0d06caSMauro Carvalho Chehab /* Common to all boards */ 1290c0d06caSMauro Carvalho Chehab static struct v4l2_queryctrl ac97_qctrl[] = { 1300c0d06caSMauro Carvalho Chehab { 1310c0d06caSMauro Carvalho Chehab .id = V4L2_CID_AUDIO_VOLUME, 1320c0d06caSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_INTEGER, 1330c0d06caSMauro Carvalho Chehab .name = "Volume", 1340c0d06caSMauro Carvalho Chehab .minimum = 0x0, 1350c0d06caSMauro Carvalho Chehab .maximum = 0x1f, 1360c0d06caSMauro Carvalho Chehab .step = 0x1, 1370c0d06caSMauro Carvalho Chehab .default_value = 0x1f, 1380c0d06caSMauro Carvalho Chehab .flags = V4L2_CTRL_FLAG_SLIDER, 1390c0d06caSMauro Carvalho Chehab }, { 1400c0d06caSMauro Carvalho Chehab .id = V4L2_CID_AUDIO_MUTE, 1410c0d06caSMauro Carvalho Chehab .type = V4L2_CTRL_TYPE_BOOLEAN, 1420c0d06caSMauro Carvalho Chehab .name = "Mute", 1430c0d06caSMauro Carvalho Chehab .minimum = 0, 1440c0d06caSMauro Carvalho Chehab .maximum = 1, 1450c0d06caSMauro Carvalho Chehab .step = 1, 1460c0d06caSMauro Carvalho Chehab .default_value = 1, 1470c0d06caSMauro Carvalho Chehab .flags = 0, 1480c0d06caSMauro Carvalho Chehab } 1490c0d06caSMauro Carvalho Chehab }; 1500c0d06caSMauro Carvalho Chehab 1510c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 1520c0d06caSMauro Carvalho Chehab DMA and thread functions 1530c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 1540c0d06caSMauro Carvalho Chehab 1550c0d06caSMauro Carvalho Chehab /* 1560c0d06caSMauro Carvalho Chehab * Announces that a buffer were filled and request the next 1570c0d06caSMauro Carvalho Chehab */ 1580c0d06caSMauro Carvalho Chehab static inline void buffer_filled(struct em28xx *dev, 1590c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1600c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 1610c0d06caSMauro Carvalho Chehab { 1620c0d06caSMauro Carvalho Chehab /* Advice that buffer was filled */ 1630c0d06caSMauro Carvalho Chehab em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); 1640c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_DONE; 1650c0d06caSMauro Carvalho Chehab buf->vb.field_count++; 1668e6057b5SSakari Ailus v4l2_get_timestamp(&buf->vb.ts); 1670c0d06caSMauro Carvalho Chehab 1680c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vid_buf = NULL; 1690c0d06caSMauro Carvalho Chehab 1700c0d06caSMauro Carvalho Chehab list_del(&buf->vb.queue); 1710c0d06caSMauro Carvalho Chehab wake_up(&buf->vb.done); 1720c0d06caSMauro Carvalho Chehab } 1730c0d06caSMauro Carvalho Chehab 1740c0d06caSMauro Carvalho Chehab static inline void vbi_buffer_filled(struct em28xx *dev, 1750c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1760c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 1770c0d06caSMauro Carvalho Chehab { 1780c0d06caSMauro Carvalho Chehab /* Advice that buffer was filled */ 1790c0d06caSMauro Carvalho Chehab em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); 1800c0d06caSMauro Carvalho Chehab 1810c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_DONE; 1820c0d06caSMauro Carvalho Chehab buf->vb.field_count++; 1838e6057b5SSakari Ailus v4l2_get_timestamp(&buf->vb.ts); 1840c0d06caSMauro Carvalho Chehab 1850c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vbi_buf = NULL; 1860c0d06caSMauro Carvalho Chehab 1870c0d06caSMauro Carvalho Chehab list_del(&buf->vb.queue); 1880c0d06caSMauro Carvalho Chehab wake_up(&buf->vb.done); 1890c0d06caSMauro Carvalho Chehab } 1900c0d06caSMauro Carvalho Chehab 1910c0d06caSMauro Carvalho Chehab /* 1920c0d06caSMauro Carvalho Chehab * Identify the buffer header type and properly handles 1930c0d06caSMauro Carvalho Chehab */ 1940c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 1950c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 1960c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 1970c0d06caSMauro Carvalho Chehab unsigned char *p, 1980c0d06caSMauro Carvalho Chehab unsigned char *outp, unsigned long len) 1990c0d06caSMauro Carvalho Chehab { 2000c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 2010c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 2020c0d06caSMauro Carvalho Chehab int bytesperline = dev->width << 1; 2030c0d06caSMauro Carvalho Chehab 2040c0d06caSMauro Carvalho Chehab if (dma_q->pos + len > buf->vb.size) 2050c0d06caSMauro Carvalho Chehab len = buf->vb.size - dma_q->pos; 2060c0d06caSMauro Carvalho Chehab 2070c0d06caSMauro Carvalho Chehab startread = p; 2080c0d06caSMauro Carvalho Chehab remain = len; 2090c0d06caSMauro Carvalho Chehab 210c02ec71bSFrank Schaefer if (dev->progressive || buf->top_field) 2110c0d06caSMauro Carvalho Chehab fieldstart = outp; 212c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 2130c0d06caSMauro Carvalho Chehab fieldstart = outp + bytesperline; 2140c0d06caSMauro Carvalho Chehab 2150c0d06caSMauro Carvalho Chehab linesdone = dma_q->pos / bytesperline; 2160c0d06caSMauro Carvalho Chehab currlinedone = dma_q->pos % bytesperline; 2170c0d06caSMauro Carvalho Chehab 2180c0d06caSMauro Carvalho Chehab if (dev->progressive) 2190c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 2200c0d06caSMauro Carvalho Chehab else 2210c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 2220c0d06caSMauro Carvalho Chehab 2230c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 2240c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 2250c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 2260c0d06caSMauro Carvalho Chehab 2270c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { 2280c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", 2290c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2300c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2310c0d06caSMauro Carvalho Chehab remain = (char *)outp + buf->vb.size - (char *)startwrite; 2320c0d06caSMauro Carvalho Chehab lencopy = remain; 2330c0d06caSMauro Carvalho Chehab } 2340c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2350c0d06caSMauro Carvalho Chehab return; 2360c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2370c0d06caSMauro Carvalho Chehab 2380c0d06caSMauro Carvalho Chehab remain -= lencopy; 2390c0d06caSMauro Carvalho Chehab 2400c0d06caSMauro Carvalho Chehab while (remain > 0) { 241c02ec71bSFrank Schaefer if (dev->progressive) 242c02ec71bSFrank Schaefer startwrite += lencopy; 243c02ec71bSFrank Schaefer else 2440c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 2450c0d06caSMauro Carvalho Chehab startread += lencopy; 2460c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 2470c0d06caSMauro Carvalho Chehab lencopy = remain; 2480c0d06caSMauro Carvalho Chehab else 2490c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 2500c0d06caSMauro Carvalho Chehab 2510c0d06caSMauro Carvalho Chehab if ((char *)startwrite + lencopy > (char *)outp + 2520c0d06caSMauro Carvalho Chehab buf->vb.size) { 2530c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end" 2540c0d06caSMauro Carvalho Chehab "(2)\n", 2550c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 2560c0d06caSMauro Carvalho Chehab ((char *)outp + buf->vb.size)); 2570c0d06caSMauro Carvalho Chehab lencopy = remain = (char *)outp + buf->vb.size - 2580c0d06caSMauro Carvalho Chehab (char *)startwrite; 2590c0d06caSMauro Carvalho Chehab } 2600c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 2610c0d06caSMauro Carvalho Chehab break; 2620c0d06caSMauro Carvalho Chehab 2630c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 2640c0d06caSMauro Carvalho Chehab 2650c0d06caSMauro Carvalho Chehab remain -= lencopy; 2660c0d06caSMauro Carvalho Chehab } 2670c0d06caSMauro Carvalho Chehab 2680c0d06caSMauro Carvalho Chehab dma_q->pos += len; 2690c0d06caSMauro Carvalho Chehab } 2700c0d06caSMauro Carvalho Chehab 2710c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 2720c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q, 2730c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 2740c0d06caSMauro Carvalho Chehab unsigned char *p, 2750c0d06caSMauro Carvalho Chehab unsigned char *outp, unsigned long len) 2760c0d06caSMauro Carvalho Chehab { 2770c0d06caSMauro Carvalho Chehab void *startwrite, *startread; 2780c0d06caSMauro Carvalho Chehab int offset; 2790c0d06caSMauro Carvalho Chehab int bytesperline; 2800c0d06caSMauro Carvalho Chehab 2810c0d06caSMauro Carvalho Chehab if (dev == NULL) { 2820c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dev is null\n"); 2830c0d06caSMauro Carvalho Chehab return; 2840c0d06caSMauro Carvalho Chehab } 2850c0d06caSMauro Carvalho Chehab bytesperline = dev->vbi_width; 2860c0d06caSMauro Carvalho Chehab 2870c0d06caSMauro Carvalho Chehab if (dma_q == NULL) { 2880c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dma_q is null\n"); 2890c0d06caSMauro Carvalho Chehab return; 2900c0d06caSMauro Carvalho Chehab } 2910c0d06caSMauro Carvalho Chehab if (buf == NULL) { 2920c0d06caSMauro Carvalho Chehab return; 2930c0d06caSMauro Carvalho Chehab } 2940c0d06caSMauro Carvalho Chehab if (p == NULL) { 2950c0d06caSMauro Carvalho Chehab em28xx_isocdbg("p is null\n"); 2960c0d06caSMauro Carvalho Chehab return; 2970c0d06caSMauro Carvalho Chehab } 2980c0d06caSMauro Carvalho Chehab if (outp == NULL) { 2990c0d06caSMauro Carvalho Chehab em28xx_isocdbg("outp is null\n"); 3000c0d06caSMauro Carvalho Chehab return; 3010c0d06caSMauro Carvalho Chehab } 3020c0d06caSMauro Carvalho Chehab 3030c0d06caSMauro Carvalho Chehab if (dma_q->pos + len > buf->vb.size) 3040c0d06caSMauro Carvalho Chehab len = buf->vb.size - dma_q->pos; 3050c0d06caSMauro Carvalho Chehab 3060c0d06caSMauro Carvalho Chehab startread = p; 3070c0d06caSMauro Carvalho Chehab 3080c0d06caSMauro Carvalho Chehab startwrite = outp + dma_q->pos; 3090c0d06caSMauro Carvalho Chehab offset = dma_q->pos; 3100c0d06caSMauro Carvalho Chehab 3110c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 3120c0d06caSMauro Carvalho Chehab if (buf->top_field == 0) { 3130c0d06caSMauro Carvalho Chehab startwrite += bytesperline * dev->vbi_height; 3140c0d06caSMauro Carvalho Chehab offset += bytesperline * dev->vbi_height; 3150c0d06caSMauro Carvalho Chehab } 3160c0d06caSMauro Carvalho Chehab 3170c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, len); 3180c0d06caSMauro Carvalho Chehab dma_q->pos += len; 3190c0d06caSMauro Carvalho Chehab } 3200c0d06caSMauro Carvalho Chehab 3210c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 3220c0d06caSMauro Carvalho Chehab int packet, int status) 3230c0d06caSMauro Carvalho Chehab { 3240c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 3250c0d06caSMauro Carvalho Chehab 3260c0d06caSMauro Carvalho Chehab switch (status) { 3270c0d06caSMauro Carvalho Chehab case -ENOENT: 3280c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 3290c0d06caSMauro Carvalho Chehab break; 3300c0d06caSMauro Carvalho Chehab case -ECONNRESET: 3310c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 3320c0d06caSMauro Carvalho Chehab break; 3330c0d06caSMauro Carvalho Chehab case -ENOSR: 3340c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 3350c0d06caSMauro Carvalho Chehab break; 3360c0d06caSMauro Carvalho Chehab case -EPIPE: 3370c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 3380c0d06caSMauro Carvalho Chehab break; 3390c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 3400c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 3410c0d06caSMauro Carvalho Chehab break; 3420c0d06caSMauro Carvalho Chehab case -EPROTO: 3430c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 3440c0d06caSMauro Carvalho Chehab break; 3450c0d06caSMauro Carvalho Chehab case -EILSEQ: 3460c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 3470c0d06caSMauro Carvalho Chehab break; 3480c0d06caSMauro Carvalho Chehab case -ETIME: 3490c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 3500c0d06caSMauro Carvalho Chehab break; 3510c0d06caSMauro Carvalho Chehab } 3520c0d06caSMauro Carvalho Chehab if (packet < 0) { 3530c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 3540c0d06caSMauro Carvalho Chehab } else { 3550c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 3560c0d06caSMauro Carvalho Chehab packet, status, errmsg); 3570c0d06caSMauro Carvalho Chehab } 3580c0d06caSMauro Carvalho Chehab } 3590c0d06caSMauro Carvalho Chehab 3600c0d06caSMauro Carvalho Chehab /* 3610c0d06caSMauro Carvalho Chehab * video-buf generic routine to get the next available buffer 3620c0d06caSMauro Carvalho Chehab */ 3630c0d06caSMauro Carvalho Chehab static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, 3640c0d06caSMauro Carvalho Chehab struct em28xx_buffer **buf) 3650c0d06caSMauro Carvalho Chehab { 3660c0d06caSMauro Carvalho Chehab struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); 3670c0d06caSMauro Carvalho Chehab char *outp; 3680c0d06caSMauro Carvalho Chehab 3690c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 3700c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 3710c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vid_buf = NULL; 3720c0d06caSMauro Carvalho Chehab *buf = NULL; 3730c0d06caSMauro Carvalho Chehab return; 3740c0d06caSMauro Carvalho Chehab } 3750c0d06caSMauro Carvalho Chehab 3760c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 3770c0d06caSMauro Carvalho Chehab *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); 3780c0d06caSMauro Carvalho Chehab 3790c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 3800c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&(*buf)->vb); 3810c0d06caSMauro Carvalho Chehab memset(outp, 0, (*buf)->vb.size); 3820c0d06caSMauro Carvalho Chehab 3830c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vid_buf = *buf; 3840c0d06caSMauro Carvalho Chehab 3850c0d06caSMauro Carvalho Chehab return; 3860c0d06caSMauro Carvalho Chehab } 3870c0d06caSMauro Carvalho Chehab 3880c0d06caSMauro Carvalho Chehab /* 3890c0d06caSMauro Carvalho Chehab * video-buf generic routine to get the next available VBI buffer 3900c0d06caSMauro Carvalho Chehab */ 3910c0d06caSMauro Carvalho Chehab static inline void vbi_get_next_buf(struct em28xx_dmaqueue *dma_q, 3920c0d06caSMauro Carvalho Chehab struct em28xx_buffer **buf) 3930c0d06caSMauro Carvalho Chehab { 3940c0d06caSMauro Carvalho Chehab struct em28xx *dev = container_of(dma_q, struct em28xx, vbiq); 3950c0d06caSMauro Carvalho Chehab char *outp; 3960c0d06caSMauro Carvalho Chehab 3970c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 3980c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 3990c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vbi_buf = NULL; 4000c0d06caSMauro Carvalho Chehab *buf = NULL; 4010c0d06caSMauro Carvalho Chehab return; 4020c0d06caSMauro Carvalho Chehab } 4030c0d06caSMauro Carvalho Chehab 4040c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 4050c0d06caSMauro Carvalho Chehab *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); 4060c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 4070c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&(*buf)->vb); 4080c0d06caSMauro Carvalho Chehab memset(outp, 0x00, (*buf)->vb.size); 4090c0d06caSMauro Carvalho Chehab 4100c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vbi_buf = *buf; 4110c0d06caSMauro Carvalho Chehab 4120c0d06caSMauro Carvalho Chehab return; 4130c0d06caSMauro Carvalho Chehab } 4140c0d06caSMauro Carvalho Chehab 4150c0d06caSMauro Carvalho Chehab /* 4160c0d06caSMauro Carvalho Chehab * Controls the isoc copy of each urb packet 4170c0d06caSMauro Carvalho Chehab */ 4180c0d06caSMauro Carvalho Chehab static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) 4190c0d06caSMauro Carvalho Chehab { 4200c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf; 4210c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 4220c0d06caSMauro Carvalho Chehab unsigned char *outp = NULL; 4230c0d06caSMauro Carvalho Chehab int i, len = 0, rc = 1; 4240c0d06caSMauro Carvalho Chehab unsigned char *p; 4250c0d06caSMauro Carvalho Chehab 4260c0d06caSMauro Carvalho Chehab if (!dev) 4270c0d06caSMauro Carvalho Chehab return 0; 4280c0d06caSMauro Carvalho Chehab 4290c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 4300c0d06caSMauro Carvalho Chehab return 0; 4310c0d06caSMauro Carvalho Chehab 4320c0d06caSMauro Carvalho Chehab if (urb->status < 0) { 4330c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 4340c0d06caSMauro Carvalho Chehab if (urb->status == -ENOENT) 4350c0d06caSMauro Carvalho Chehab return 0; 4360c0d06caSMauro Carvalho Chehab } 4370c0d06caSMauro Carvalho Chehab 4380c0d06caSMauro Carvalho Chehab buf = dev->isoc_ctl.vid_buf; 4390c0d06caSMauro Carvalho Chehab if (buf != NULL) 4400c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 4410c0d06caSMauro Carvalho Chehab 4420c0d06caSMauro Carvalho Chehab for (i = 0; i < urb->number_of_packets; i++) { 4430c0d06caSMauro Carvalho Chehab int status = urb->iso_frame_desc[i].status; 4440c0d06caSMauro Carvalho Chehab 4450c0d06caSMauro Carvalho Chehab if (status < 0) { 4460c0d06caSMauro Carvalho Chehab print_err_status(dev, i, status); 4470c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 4480c0d06caSMauro Carvalho Chehab continue; 4490c0d06caSMauro Carvalho Chehab } 4500c0d06caSMauro Carvalho Chehab 4510c0d06caSMauro Carvalho Chehab len = urb->iso_frame_desc[i].actual_length - 4; 4520c0d06caSMauro Carvalho Chehab 4530c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].actual_length <= 0) { 4540c0d06caSMauro Carvalho Chehab /* em28xx_isocdbg("packet %d is empty",i); - spammy */ 4550c0d06caSMauro Carvalho Chehab continue; 4560c0d06caSMauro Carvalho Chehab } 4570c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].actual_length > 4580c0d06caSMauro Carvalho Chehab dev->max_pkt_size) { 4590c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 4600c0d06caSMauro Carvalho Chehab continue; 4610c0d06caSMauro Carvalho Chehab } 4620c0d06caSMauro Carvalho Chehab 4630c0d06caSMauro Carvalho Chehab p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; 4640c0d06caSMauro Carvalho Chehab 4650c0d06caSMauro Carvalho Chehab /* FIXME: incomplete buffer checks where removed to make 4660c0d06caSMauro Carvalho Chehab logic simpler. Impacts of those changes should be evaluated 4670c0d06caSMauro Carvalho Chehab */ 4680c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { 4690c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI HEADER!!!\n"); 4700c0d06caSMauro Carvalho Chehab /* FIXME: Should add vbi copy */ 4710c0d06caSMauro Carvalho Chehab continue; 4720c0d06caSMauro Carvalho Chehab } 4730c0d06caSMauro Carvalho Chehab if (p[0] == 0x22 && p[1] == 0x5a) { 4740c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], 4750c0d06caSMauro Carvalho Chehab len, (p[2] & 1) ? "odd" : "even"); 4760c0d06caSMauro Carvalho Chehab 4770c0d06caSMauro Carvalho Chehab if (dev->progressive || !(p[2] & 1)) { 4780c0d06caSMauro Carvalho Chehab if (buf != NULL) 4790c0d06caSMauro Carvalho Chehab buffer_filled(dev, dma_q, buf); 4800c0d06caSMauro Carvalho Chehab get_next_buf(dma_q, &buf); 4810c0d06caSMauro Carvalho Chehab if (buf == NULL) 4820c0d06caSMauro Carvalho Chehab outp = NULL; 4830c0d06caSMauro Carvalho Chehab else 4840c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 4850c0d06caSMauro Carvalho Chehab } 4860c0d06caSMauro Carvalho Chehab 4870c0d06caSMauro Carvalho Chehab if (buf != NULL) { 4880c0d06caSMauro Carvalho Chehab if (p[2] & 1) 4890c0d06caSMauro Carvalho Chehab buf->top_field = 0; 4900c0d06caSMauro Carvalho Chehab else 4910c0d06caSMauro Carvalho Chehab buf->top_field = 1; 4920c0d06caSMauro Carvalho Chehab } 4930c0d06caSMauro Carvalho Chehab 4940c0d06caSMauro Carvalho Chehab dma_q->pos = 0; 4950c0d06caSMauro Carvalho Chehab } 4960c0d06caSMauro Carvalho Chehab if (buf != NULL) { 4970c0d06caSMauro Carvalho Chehab if (p[0] != 0x88 && p[0] != 0x22) { 4980c0d06caSMauro Carvalho Chehab em28xx_isocdbg("frame is not complete\n"); 4990c0d06caSMauro Carvalho Chehab len += 4; 5000c0d06caSMauro Carvalho Chehab } else { 5010c0d06caSMauro Carvalho Chehab p += 4; 5020c0d06caSMauro Carvalho Chehab } 5030c0d06caSMauro Carvalho Chehab em28xx_copy_video(dev, dma_q, buf, p, outp, len); 5040c0d06caSMauro Carvalho Chehab } 5050c0d06caSMauro Carvalho Chehab } 5060c0d06caSMauro Carvalho Chehab return rc; 5070c0d06caSMauro Carvalho Chehab } 5080c0d06caSMauro Carvalho Chehab 5090c0d06caSMauro Carvalho Chehab /* Version of isoc handler that takes into account a mixture of video and 5100c0d06caSMauro Carvalho Chehab VBI data */ 5110c0d06caSMauro Carvalho Chehab static inline int em28xx_isoc_copy_vbi(struct em28xx *dev, struct urb *urb) 5120c0d06caSMauro Carvalho Chehab { 5130c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, *vbi_buf; 5140c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *dma_q = &dev->vidq; 5150c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 5160c0d06caSMauro Carvalho Chehab unsigned char *outp = NULL; 5170c0d06caSMauro Carvalho Chehab unsigned char *vbioutp = NULL; 5180c0d06caSMauro Carvalho Chehab int i, len = 0, rc = 1; 5190c0d06caSMauro Carvalho Chehab unsigned char *p; 5200c0d06caSMauro Carvalho Chehab int vbi_size; 5210c0d06caSMauro Carvalho Chehab 5220c0d06caSMauro Carvalho Chehab if (!dev) 5230c0d06caSMauro Carvalho Chehab return 0; 5240c0d06caSMauro Carvalho Chehab 5250c0d06caSMauro Carvalho Chehab if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) 5260c0d06caSMauro Carvalho Chehab return 0; 5270c0d06caSMauro Carvalho Chehab 5280c0d06caSMauro Carvalho Chehab if (urb->status < 0) { 5290c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 5300c0d06caSMauro Carvalho Chehab if (urb->status == -ENOENT) 5310c0d06caSMauro Carvalho Chehab return 0; 5320c0d06caSMauro Carvalho Chehab } 5330c0d06caSMauro Carvalho Chehab 5340c0d06caSMauro Carvalho Chehab buf = dev->isoc_ctl.vid_buf; 5350c0d06caSMauro Carvalho Chehab if (buf != NULL) 5360c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 5370c0d06caSMauro Carvalho Chehab 5380c0d06caSMauro Carvalho Chehab vbi_buf = dev->isoc_ctl.vbi_buf; 5390c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) 5400c0d06caSMauro Carvalho Chehab vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); 5410c0d06caSMauro Carvalho Chehab 5420c0d06caSMauro Carvalho Chehab for (i = 0; i < urb->number_of_packets; i++) { 5430c0d06caSMauro Carvalho Chehab int status = urb->iso_frame_desc[i].status; 5440c0d06caSMauro Carvalho Chehab 5450c0d06caSMauro Carvalho Chehab if (status < 0) { 5460c0d06caSMauro Carvalho Chehab print_err_status(dev, i, status); 5470c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 5480c0d06caSMauro Carvalho Chehab continue; 5490c0d06caSMauro Carvalho Chehab } 5500c0d06caSMauro Carvalho Chehab 5510c0d06caSMauro Carvalho Chehab len = urb->iso_frame_desc[i].actual_length; 5520c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].actual_length <= 0) { 5530c0d06caSMauro Carvalho Chehab /* em28xx_isocdbg("packet %d is empty",i); - spammy */ 5540c0d06caSMauro Carvalho Chehab continue; 5550c0d06caSMauro Carvalho Chehab } 5560c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].actual_length > 5570c0d06caSMauro Carvalho Chehab dev->max_pkt_size) { 5580c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 5590c0d06caSMauro Carvalho Chehab continue; 5600c0d06caSMauro Carvalho Chehab } 5610c0d06caSMauro Carvalho Chehab 5620c0d06caSMauro Carvalho Chehab p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; 5630c0d06caSMauro Carvalho Chehab 5640c0d06caSMauro Carvalho Chehab /* capture type 0 = vbi start 5650c0d06caSMauro Carvalho Chehab capture type 1 = video start 5660c0d06caSMauro Carvalho Chehab capture type 2 = video in progress */ 5670c0d06caSMauro Carvalho Chehab if (p[0] == 0x33 && p[1] == 0x95) { 5680c0d06caSMauro Carvalho Chehab dev->capture_type = 0; 5690c0d06caSMauro Carvalho Chehab dev->vbi_read = 0; 5700c0d06caSMauro Carvalho Chehab em28xx_isocdbg("VBI START HEADER!!!\n"); 5710c0d06caSMauro Carvalho Chehab dev->cur_field = p[2]; 5720c0d06caSMauro Carvalho Chehab p += 4; 5730c0d06caSMauro Carvalho Chehab len -= 4; 5740c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x88 && p[1] == 0x88 && 5750c0d06caSMauro Carvalho Chehab p[2] == 0x88 && p[3] == 0x88) { 5760c0d06caSMauro Carvalho Chehab /* continuation */ 5770c0d06caSMauro Carvalho Chehab p += 4; 5780c0d06caSMauro Carvalho Chehab len -= 4; 5790c0d06caSMauro Carvalho Chehab } else if (p[0] == 0x22 && p[1] == 0x5a) { 5800c0d06caSMauro Carvalho Chehab /* start video */ 5810c0d06caSMauro Carvalho Chehab p += 4; 5820c0d06caSMauro Carvalho Chehab len -= 4; 5830c0d06caSMauro Carvalho Chehab } 5840c0d06caSMauro Carvalho Chehab 5850c0d06caSMauro Carvalho Chehab vbi_size = dev->vbi_width * dev->vbi_height; 5860c0d06caSMauro Carvalho Chehab 5870c0d06caSMauro Carvalho Chehab if (dev->capture_type == 0) { 5880c0d06caSMauro Carvalho Chehab if (dev->vbi_read >= vbi_size) { 5890c0d06caSMauro Carvalho Chehab /* We've already read all the VBI data, so 5900c0d06caSMauro Carvalho Chehab treat the rest as video */ 5910c0d06caSMauro Carvalho Chehab em28xx_isocdbg("dev->vbi_read > vbi_size\n"); 5920c0d06caSMauro Carvalho Chehab } else if ((dev->vbi_read + len) < vbi_size) { 5930c0d06caSMauro Carvalho Chehab /* This entire frame is VBI data */ 5940c0d06caSMauro Carvalho Chehab if (dev->vbi_read == 0 && 5950c0d06caSMauro Carvalho Chehab (!(dev->cur_field & 1))) { 5960c0d06caSMauro Carvalho Chehab /* Brand new frame */ 5970c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) 5980c0d06caSMauro Carvalho Chehab vbi_buffer_filled(dev, 5990c0d06caSMauro Carvalho Chehab vbi_dma_q, 6000c0d06caSMauro Carvalho Chehab vbi_buf); 6010c0d06caSMauro Carvalho Chehab vbi_get_next_buf(vbi_dma_q, &vbi_buf); 6020c0d06caSMauro Carvalho Chehab if (vbi_buf == NULL) 6030c0d06caSMauro Carvalho Chehab vbioutp = NULL; 6040c0d06caSMauro Carvalho Chehab else 6050c0d06caSMauro Carvalho Chehab vbioutp = videobuf_to_vmalloc( 6060c0d06caSMauro Carvalho Chehab &vbi_buf->vb); 6070c0d06caSMauro Carvalho Chehab } 6080c0d06caSMauro Carvalho Chehab 6090c0d06caSMauro Carvalho Chehab if (dev->vbi_read == 0) { 6100c0d06caSMauro Carvalho Chehab vbi_dma_q->pos = 0; 6110c0d06caSMauro Carvalho Chehab if (vbi_buf != NULL) { 6120c0d06caSMauro Carvalho Chehab if (dev->cur_field & 1) 6130c0d06caSMauro Carvalho Chehab vbi_buf->top_field = 0; 6140c0d06caSMauro Carvalho Chehab else 6150c0d06caSMauro Carvalho Chehab vbi_buf->top_field = 1; 6160c0d06caSMauro Carvalho Chehab } 6170c0d06caSMauro Carvalho Chehab } 6180c0d06caSMauro Carvalho Chehab 6190c0d06caSMauro Carvalho Chehab dev->vbi_read += len; 6200c0d06caSMauro Carvalho Chehab em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, 6210c0d06caSMauro Carvalho Chehab vbioutp, len); 6220c0d06caSMauro Carvalho Chehab } else { 6230c0d06caSMauro Carvalho Chehab /* Some of this frame is VBI data and some is 6240c0d06caSMauro Carvalho Chehab video data */ 6250c0d06caSMauro Carvalho Chehab int vbi_data_len = vbi_size - dev->vbi_read; 6260c0d06caSMauro Carvalho Chehab dev->vbi_read += vbi_data_len; 6270c0d06caSMauro Carvalho Chehab em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p, 6280c0d06caSMauro Carvalho Chehab vbioutp, vbi_data_len); 6290c0d06caSMauro Carvalho Chehab dev->capture_type = 1; 6300c0d06caSMauro Carvalho Chehab p += vbi_data_len; 6310c0d06caSMauro Carvalho Chehab len -= vbi_data_len; 6320c0d06caSMauro Carvalho Chehab } 6330c0d06caSMauro Carvalho Chehab } 6340c0d06caSMauro Carvalho Chehab 6350c0d06caSMauro Carvalho Chehab if (dev->capture_type == 1) { 6360c0d06caSMauro Carvalho Chehab dev->capture_type = 2; 6370c0d06caSMauro Carvalho Chehab if (dev->progressive || !(dev->cur_field & 1)) { 6380c0d06caSMauro Carvalho Chehab if (buf != NULL) 6390c0d06caSMauro Carvalho Chehab buffer_filled(dev, dma_q, buf); 6400c0d06caSMauro Carvalho Chehab get_next_buf(dma_q, &buf); 6410c0d06caSMauro Carvalho Chehab if (buf == NULL) 6420c0d06caSMauro Carvalho Chehab outp = NULL; 6430c0d06caSMauro Carvalho Chehab else 6440c0d06caSMauro Carvalho Chehab outp = videobuf_to_vmalloc(&buf->vb); 6450c0d06caSMauro Carvalho Chehab } 6460c0d06caSMauro Carvalho Chehab if (buf != NULL) { 6470c0d06caSMauro Carvalho Chehab if (dev->cur_field & 1) 6480c0d06caSMauro Carvalho Chehab buf->top_field = 0; 6490c0d06caSMauro Carvalho Chehab else 6500c0d06caSMauro Carvalho Chehab buf->top_field = 1; 6510c0d06caSMauro Carvalho Chehab } 6520c0d06caSMauro Carvalho Chehab 6530c0d06caSMauro Carvalho Chehab dma_q->pos = 0; 6540c0d06caSMauro Carvalho Chehab } 6550c0d06caSMauro Carvalho Chehab 6560c0d06caSMauro Carvalho Chehab if (buf != NULL && dev->capture_type == 2) { 6570c0d06caSMauro Carvalho Chehab if (len >= 4 && p[0] == 0x88 && p[1] == 0x88 && 6580c0d06caSMauro Carvalho Chehab p[2] == 0x88 && p[3] == 0x88) { 6590c0d06caSMauro Carvalho Chehab p += 4; 6600c0d06caSMauro Carvalho Chehab len -= 4; 6610c0d06caSMauro Carvalho Chehab } 6620c0d06caSMauro Carvalho Chehab if (len >= 4 && p[0] == 0x22 && p[1] == 0x5a) { 6630c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Video frame %d, len=%i, %s\n", 6640c0d06caSMauro Carvalho Chehab p[2], len, (p[2] & 1) ? 6650c0d06caSMauro Carvalho Chehab "odd" : "even"); 6660c0d06caSMauro Carvalho Chehab p += 4; 6670c0d06caSMauro Carvalho Chehab len -= 4; 6680c0d06caSMauro Carvalho Chehab } 6690c0d06caSMauro Carvalho Chehab 6700c0d06caSMauro Carvalho Chehab if (len > 0) 6710c0d06caSMauro Carvalho Chehab em28xx_copy_video(dev, dma_q, buf, p, outp, 6720c0d06caSMauro Carvalho Chehab len); 6730c0d06caSMauro Carvalho Chehab } 6740c0d06caSMauro Carvalho Chehab } 6750c0d06caSMauro Carvalho Chehab return rc; 6760c0d06caSMauro Carvalho Chehab } 6770c0d06caSMauro Carvalho Chehab 6780c0d06caSMauro Carvalho Chehab 6790c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 6800c0d06caSMauro Carvalho Chehab Videobuf operations 6810c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 6820c0d06caSMauro Carvalho Chehab 6830c0d06caSMauro Carvalho Chehab static int 6840c0d06caSMauro Carvalho Chehab buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) 6850c0d06caSMauro Carvalho Chehab { 6860c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 6870c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 6880c0d06caSMauro Carvalho Chehab struct v4l2_frequency f; 6890c0d06caSMauro Carvalho Chehab 6900c0d06caSMauro Carvalho Chehab *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) 6910c0d06caSMauro Carvalho Chehab >> 3; 6920c0d06caSMauro Carvalho Chehab 6930c0d06caSMauro Carvalho Chehab if (0 == *count) 6940c0d06caSMauro Carvalho Chehab *count = EM28XX_DEF_BUF; 6950c0d06caSMauro Carvalho Chehab 6960c0d06caSMauro Carvalho Chehab if (*count < EM28XX_MIN_BUF) 6970c0d06caSMauro Carvalho Chehab *count = EM28XX_MIN_BUF; 6980c0d06caSMauro Carvalho Chehab 6990c0d06caSMauro Carvalho Chehab /* Ask tuner to go to analog or radio mode */ 7000c0d06caSMauro Carvalho Chehab memset(&f, 0, sizeof(f)); 7010c0d06caSMauro Carvalho Chehab f.frequency = dev->ctl_freq; 7020c0d06caSMauro Carvalho Chehab f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 7030c0d06caSMauro Carvalho Chehab 7040c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); 7050c0d06caSMauro Carvalho Chehab 7060c0d06caSMauro Carvalho Chehab return 0; 7070c0d06caSMauro Carvalho Chehab } 7080c0d06caSMauro Carvalho Chehab 7090c0d06caSMauro Carvalho Chehab /* This is called *without* dev->slock held; please keep it that way */ 7100c0d06caSMauro Carvalho Chehab static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) 7110c0d06caSMauro Carvalho Chehab { 7120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 7130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7140c0d06caSMauro Carvalho Chehab unsigned long flags = 0; 7150c0d06caSMauro Carvalho Chehab if (in_interrupt()) 7160c0d06caSMauro Carvalho Chehab BUG(); 7170c0d06caSMauro Carvalho Chehab 7180c0d06caSMauro Carvalho Chehab /* We used to wait for the buffer to finish here, but this didn't work 7190c0d06caSMauro Carvalho Chehab because, as we were keeping the state as VIDEOBUF_QUEUED, 7200c0d06caSMauro Carvalho Chehab videobuf_queue_cancel marked it as finished for us. 7210c0d06caSMauro Carvalho Chehab (Also, it could wedge forever if the hardware was misconfigured.) 7220c0d06caSMauro Carvalho Chehab 7230c0d06caSMauro Carvalho Chehab This should be safe; by the time we get here, the buffer isn't 7240c0d06caSMauro Carvalho Chehab queued anymore. If we ever start marking the buffers as 7250c0d06caSMauro Carvalho Chehab VIDEOBUF_ACTIVE, it won't be, though. 7260c0d06caSMauro Carvalho Chehab */ 7270c0d06caSMauro Carvalho Chehab spin_lock_irqsave(&dev->slock, flags); 7280c0d06caSMauro Carvalho Chehab if (dev->isoc_ctl.vid_buf == buf) 7290c0d06caSMauro Carvalho Chehab dev->isoc_ctl.vid_buf = NULL; 7300c0d06caSMauro Carvalho Chehab spin_unlock_irqrestore(&dev->slock, flags); 7310c0d06caSMauro Carvalho Chehab 7320c0d06caSMauro Carvalho Chehab videobuf_vmalloc_free(&buf->vb); 7330c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_NEEDS_INIT; 7340c0d06caSMauro Carvalho Chehab } 7350c0d06caSMauro Carvalho Chehab 7360c0d06caSMauro Carvalho Chehab static int 7370c0d06caSMauro Carvalho Chehab buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, 7380c0d06caSMauro Carvalho Chehab enum v4l2_field field) 7390c0d06caSMauro Carvalho Chehab { 7400c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 7410c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 7420c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7430c0d06caSMauro Carvalho Chehab int rc = 0, urb_init = 0; 7440c0d06caSMauro Carvalho Chehab 7450c0d06caSMauro Carvalho Chehab buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth 7460c0d06caSMauro Carvalho Chehab + 7) >> 3; 7470c0d06caSMauro Carvalho Chehab 7480c0d06caSMauro Carvalho Chehab if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 7490c0d06caSMauro Carvalho Chehab return -EINVAL; 7500c0d06caSMauro Carvalho Chehab 7510c0d06caSMauro Carvalho Chehab buf->vb.width = dev->width; 7520c0d06caSMauro Carvalho Chehab buf->vb.height = dev->height; 7530c0d06caSMauro Carvalho Chehab buf->vb.field = field; 7540c0d06caSMauro Carvalho Chehab 7550c0d06caSMauro Carvalho Chehab if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 7560c0d06caSMauro Carvalho Chehab rc = videobuf_iolock(vq, &buf->vb, NULL); 7570c0d06caSMauro Carvalho Chehab if (rc < 0) 7580c0d06caSMauro Carvalho Chehab goto fail; 7590c0d06caSMauro Carvalho Chehab } 7600c0d06caSMauro Carvalho Chehab 7610c0d06caSMauro Carvalho Chehab if (!dev->isoc_ctl.analog_bufs.num_bufs) 7620c0d06caSMauro Carvalho Chehab urb_init = 1; 7630c0d06caSMauro Carvalho Chehab 7640c0d06caSMauro Carvalho Chehab if (urb_init) { 7650c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 7660c0d06caSMauro Carvalho Chehab rc = em28xx_init_isoc(dev, EM28XX_ANALOG_MODE, 7670c0d06caSMauro Carvalho Chehab EM28XX_NUM_PACKETS, 7680c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 7690c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 7700c0d06caSMauro Carvalho Chehab em28xx_isoc_copy_vbi); 7710c0d06caSMauro Carvalho Chehab else 7720c0d06caSMauro Carvalho Chehab rc = em28xx_init_isoc(dev, EM28XX_ANALOG_MODE, 7730c0d06caSMauro Carvalho Chehab EM28XX_NUM_PACKETS, 7740c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 7750c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 7760c0d06caSMauro Carvalho Chehab em28xx_isoc_copy); 7770c0d06caSMauro Carvalho Chehab if (rc < 0) 7780c0d06caSMauro Carvalho Chehab goto fail; 7790c0d06caSMauro Carvalho Chehab } 7800c0d06caSMauro Carvalho Chehab 7810c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_PREPARED; 7820c0d06caSMauro Carvalho Chehab return 0; 7830c0d06caSMauro Carvalho Chehab 7840c0d06caSMauro Carvalho Chehab fail: 7850c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 7860c0d06caSMauro Carvalho Chehab return rc; 7870c0d06caSMauro Carvalho Chehab } 7880c0d06caSMauro Carvalho Chehab 7890c0d06caSMauro Carvalho Chehab static void 7900c0d06caSMauro Carvalho Chehab buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 7910c0d06caSMauro Carvalho Chehab { 7920c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 7930c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 7940c0d06caSMauro Carvalho Chehab vb); 7950c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 7960c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 7970c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 7980c0d06caSMauro Carvalho Chehab 7990c0d06caSMauro Carvalho Chehab buf->vb.state = VIDEOBUF_QUEUED; 8000c0d06caSMauro Carvalho Chehab list_add_tail(&buf->vb.queue, &vidq->active); 8010c0d06caSMauro Carvalho Chehab 8020c0d06caSMauro Carvalho Chehab } 8030c0d06caSMauro Carvalho Chehab 8040c0d06caSMauro Carvalho Chehab static void buffer_release(struct videobuf_queue *vq, 8050c0d06caSMauro Carvalho Chehab struct videobuf_buffer *vb) 8060c0d06caSMauro Carvalho Chehab { 8070c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, 8080c0d06caSMauro Carvalho Chehab struct em28xx_buffer, 8090c0d06caSMauro Carvalho Chehab vb); 8100c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = vq->priv_data; 8110c0d06caSMauro Carvalho Chehab struct em28xx *dev = (struct em28xx *)fh->dev; 8120c0d06caSMauro Carvalho Chehab 8130c0d06caSMauro Carvalho Chehab em28xx_isocdbg("em28xx: called buffer_release\n"); 8140c0d06caSMauro Carvalho Chehab 8150c0d06caSMauro Carvalho Chehab free_buffer(vq, buf); 8160c0d06caSMauro Carvalho Chehab } 8170c0d06caSMauro Carvalho Chehab 8180c0d06caSMauro Carvalho Chehab static struct videobuf_queue_ops em28xx_video_qops = { 8190c0d06caSMauro Carvalho Chehab .buf_setup = buffer_setup, 8200c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 8210c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 8220c0d06caSMauro Carvalho Chehab .buf_release = buffer_release, 8230c0d06caSMauro Carvalho Chehab }; 8240c0d06caSMauro Carvalho Chehab 8250c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 8260c0d06caSMauro Carvalho Chehab 8270c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 8280c0d06caSMauro Carvalho Chehab { 8290c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 8300c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 8310c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 8320c0d06caSMauro Carvalho Chehab 8330c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 8340c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 8350c0d06caSMauro Carvalho Chehab 8360c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, 8370c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 8380c0d06caSMauro Carvalho Chehab 8390c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 8400c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 8410c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, 8420c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 8430c0d06caSMauro Carvalho Chehab } 8440c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 8450c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 8460c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 8470c0d06caSMauro Carvalho Chehab } 8480c0d06caSMauro Carvalho Chehab 8490c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 8500c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, 8510c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 8520c0d06caSMauro Carvalho Chehab } 8530c0d06caSMauro Carvalho Chehab 8540c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 8550c0d06caSMauro Carvalho Chehab } 8560c0d06caSMauro Carvalho Chehab 8570c0d06caSMauro Carvalho Chehab /* Usage lock check functions */ 8580c0d06caSMauro Carvalho Chehab static int res_get(struct em28xx_fh *fh, unsigned int bit) 8590c0d06caSMauro Carvalho Chehab { 8600c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8610c0d06caSMauro Carvalho Chehab 8620c0d06caSMauro Carvalho Chehab if (fh->resources & bit) 8630c0d06caSMauro Carvalho Chehab /* have it already allocated */ 8640c0d06caSMauro Carvalho Chehab return 1; 8650c0d06caSMauro Carvalho Chehab 8660c0d06caSMauro Carvalho Chehab /* is it free? */ 8670c0d06caSMauro Carvalho Chehab if (dev->resources & bit) { 8680c0d06caSMauro Carvalho Chehab /* no, someone else uses it */ 8690c0d06caSMauro Carvalho Chehab return 0; 8700c0d06caSMauro Carvalho Chehab } 8710c0d06caSMauro Carvalho Chehab /* it's free, grab it */ 8720c0d06caSMauro Carvalho Chehab fh->resources |= bit; 8730c0d06caSMauro Carvalho Chehab dev->resources |= bit; 8740c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: get %d\n", bit); 8750c0d06caSMauro Carvalho Chehab return 1; 8760c0d06caSMauro Carvalho Chehab } 8770c0d06caSMauro Carvalho Chehab 8780c0d06caSMauro Carvalho Chehab static int res_check(struct em28xx_fh *fh, unsigned int bit) 8790c0d06caSMauro Carvalho Chehab { 8800c0d06caSMauro Carvalho Chehab return fh->resources & bit; 8810c0d06caSMauro Carvalho Chehab } 8820c0d06caSMauro Carvalho Chehab 8830c0d06caSMauro Carvalho Chehab static int res_locked(struct em28xx *dev, unsigned int bit) 8840c0d06caSMauro Carvalho Chehab { 8850c0d06caSMauro Carvalho Chehab return dev->resources & bit; 8860c0d06caSMauro Carvalho Chehab } 8870c0d06caSMauro Carvalho Chehab 8880c0d06caSMauro Carvalho Chehab static void res_free(struct em28xx_fh *fh, unsigned int bits) 8890c0d06caSMauro Carvalho Chehab { 8900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 8910c0d06caSMauro Carvalho Chehab 8920c0d06caSMauro Carvalho Chehab BUG_ON((fh->resources & bits) != bits); 8930c0d06caSMauro Carvalho Chehab 8940c0d06caSMauro Carvalho Chehab fh->resources &= ~bits; 8950c0d06caSMauro Carvalho Chehab dev->resources &= ~bits; 8960c0d06caSMauro Carvalho Chehab em28xx_videodbg("res: put %d\n", bits); 8970c0d06caSMauro Carvalho Chehab } 8980c0d06caSMauro Carvalho Chehab 8990c0d06caSMauro Carvalho Chehab static int get_ressource(struct em28xx_fh *fh) 9000c0d06caSMauro Carvalho Chehab { 9010c0d06caSMauro Carvalho Chehab switch (fh->type) { 9020c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 9030c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VIDEO; 9040c0d06caSMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 9050c0d06caSMauro Carvalho Chehab return EM28XX_RESOURCE_VBI; 9060c0d06caSMauro Carvalho Chehab default: 9070c0d06caSMauro Carvalho Chehab BUG(); 9080c0d06caSMauro Carvalho Chehab return 0; 9090c0d06caSMauro Carvalho Chehab } 9100c0d06caSMauro Carvalho Chehab } 9110c0d06caSMauro Carvalho Chehab 9120c0d06caSMauro Carvalho Chehab /* 9130c0d06caSMauro Carvalho Chehab * ac97_queryctrl() 9140c0d06caSMauro Carvalho Chehab * return the ac97 supported controls 9150c0d06caSMauro Carvalho Chehab */ 9160c0d06caSMauro Carvalho Chehab static int ac97_queryctrl(struct v4l2_queryctrl *qc) 9170c0d06caSMauro Carvalho Chehab { 9180c0d06caSMauro Carvalho Chehab int i; 9190c0d06caSMauro Carvalho Chehab 9200c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 9210c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 9220c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 9230c0d06caSMauro Carvalho Chehab return 0; 9240c0d06caSMauro Carvalho Chehab } 9250c0d06caSMauro Carvalho Chehab } 9260c0d06caSMauro Carvalho Chehab 9270c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 9280c0d06caSMauro Carvalho Chehab return 1; 9290c0d06caSMauro Carvalho Chehab } 9300c0d06caSMauro Carvalho Chehab 9310c0d06caSMauro Carvalho Chehab /* 9320c0d06caSMauro Carvalho Chehab * ac97_get_ctrl() 9330c0d06caSMauro Carvalho Chehab * return the current values for ac97 mute and volume 9340c0d06caSMauro Carvalho Chehab */ 9350c0d06caSMauro Carvalho Chehab static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) 9360c0d06caSMauro Carvalho Chehab { 9370c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 9380c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 9390c0d06caSMauro Carvalho Chehab ctrl->value = dev->mute; 9400c0d06caSMauro Carvalho Chehab return 0; 9410c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 9420c0d06caSMauro Carvalho Chehab ctrl->value = dev->volume; 9430c0d06caSMauro Carvalho Chehab return 0; 9440c0d06caSMauro Carvalho Chehab default: 9450c0d06caSMauro Carvalho Chehab /* Control is not ac97 related */ 9460c0d06caSMauro Carvalho Chehab return 1; 9470c0d06caSMauro Carvalho Chehab } 9480c0d06caSMauro Carvalho Chehab } 9490c0d06caSMauro Carvalho Chehab 9500c0d06caSMauro Carvalho Chehab /* 9510c0d06caSMauro Carvalho Chehab * ac97_set_ctrl() 9520c0d06caSMauro Carvalho Chehab * set values for ac97 mute and volume 9530c0d06caSMauro Carvalho Chehab */ 9540c0d06caSMauro Carvalho Chehab static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) 9550c0d06caSMauro Carvalho Chehab { 9560c0d06caSMauro Carvalho Chehab int i; 9570c0d06caSMauro Carvalho Chehab 9580c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) 9590c0d06caSMauro Carvalho Chehab if (ctrl->id == ac97_qctrl[i].id) 9600c0d06caSMauro Carvalho Chehab goto handle; 9610c0d06caSMauro Carvalho Chehab 9620c0d06caSMauro Carvalho Chehab /* Announce that hasn't handle it */ 9630c0d06caSMauro Carvalho Chehab return 1; 9640c0d06caSMauro Carvalho Chehab 9650c0d06caSMauro Carvalho Chehab handle: 9660c0d06caSMauro Carvalho Chehab if (ctrl->value < ac97_qctrl[i].minimum || 9670c0d06caSMauro Carvalho Chehab ctrl->value > ac97_qctrl[i].maximum) 9680c0d06caSMauro Carvalho Chehab return -ERANGE; 9690c0d06caSMauro Carvalho Chehab 9700c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 9710c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 9720c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 9730c0d06caSMauro Carvalho Chehab break; 9740c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 9750c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 9760c0d06caSMauro Carvalho Chehab break; 9770c0d06caSMauro Carvalho Chehab } 9780c0d06caSMauro Carvalho Chehab 9790c0d06caSMauro Carvalho Chehab return em28xx_audio_analog_set(dev); 9800c0d06caSMauro Carvalho Chehab } 9810c0d06caSMauro Carvalho Chehab 9820c0d06caSMauro Carvalho Chehab static int check_dev(struct em28xx *dev) 9830c0d06caSMauro Carvalho Chehab { 9840c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 9850c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device not present\n"); 9860c0d06caSMauro Carvalho Chehab return -ENODEV; 9870c0d06caSMauro Carvalho Chehab } 9880c0d06caSMauro Carvalho Chehab 9890c0d06caSMauro Carvalho Chehab if (dev->state & DEV_MISCONFIGURED) { 9900c0d06caSMauro Carvalho Chehab em28xx_errdev("v4l2 ioctl: device is misconfigured; " 9910c0d06caSMauro Carvalho Chehab "close and open it again\n"); 9920c0d06caSMauro Carvalho Chehab return -EIO; 9930c0d06caSMauro Carvalho Chehab } 9940c0d06caSMauro Carvalho Chehab return 0; 9950c0d06caSMauro Carvalho Chehab } 9960c0d06caSMauro Carvalho Chehab 9970c0d06caSMauro Carvalho Chehab static void get_scale(struct em28xx *dev, 9980c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 9990c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 10000c0d06caSMauro Carvalho Chehab { 10010c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 10020c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 10030c0d06caSMauro Carvalho Chehab 10040c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 10050c0d06caSMauro Carvalho Chehab if (*hscale >= 0x4000) 10060c0d06caSMauro Carvalho Chehab *hscale = 0x3fff; 10070c0d06caSMauro Carvalho Chehab 10080c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 10090c0d06caSMauro Carvalho Chehab if (*vscale >= 0x4000) 10100c0d06caSMauro Carvalho Chehab *vscale = 0x3fff; 10110c0d06caSMauro Carvalho Chehab } 10120c0d06caSMauro Carvalho Chehab 10130c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 10140c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 10150c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 10160c0d06caSMauro Carvalho Chehab 10170c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 10180c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 10190c0d06caSMauro Carvalho Chehab { 10200c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10210c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10220c0d06caSMauro Carvalho Chehab 10230c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 10240c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 10250c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 10260c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 10270c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 10280c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 10290c0d06caSMauro Carvalho Chehab 10300c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 10310c0d06caSMauro Carvalho Chehab if (dev->progressive) 10320c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 10330c0d06caSMauro Carvalho Chehab else 10340c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 10350c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 10360c0d06caSMauro Carvalho Chehab return 0; 10370c0d06caSMauro Carvalho Chehab } 10380c0d06caSMauro Carvalho Chehab 10390c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 10400c0d06caSMauro Carvalho Chehab { 10410c0d06caSMauro Carvalho Chehab unsigned int i; 10420c0d06caSMauro Carvalho Chehab 10430c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 10440c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 10450c0d06caSMauro Carvalho Chehab return &format[i]; 10460c0d06caSMauro Carvalho Chehab 10470c0d06caSMauro Carvalho Chehab return NULL; 10480c0d06caSMauro Carvalho Chehab } 10490c0d06caSMauro Carvalho Chehab 10500c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 10510c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 10520c0d06caSMauro Carvalho Chehab { 10530c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 10540c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 10550c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 10560c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 10570c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 10580c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 10590c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 10600c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 10610c0d06caSMauro Carvalho Chehab 10620c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 10630c0d06caSMauro Carvalho Chehab if (!fmt) { 10640c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 10650c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 10660c0d06caSMauro Carvalho Chehab return -EINVAL; 10670c0d06caSMauro Carvalho Chehab } 10680c0d06caSMauro Carvalho Chehab 10690c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 10700c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 10710c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 10720c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 10730c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 10740c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 10750c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 10760c0d06caSMauro Carvalho Chehab width /= 2; 10770c0d06caSMauro Carvalho Chehab } else { 10780c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 10790c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 10800c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 10810c0d06caSMauro Carvalho Chehab 1, 0); 10820c0d06caSMauro Carvalho Chehab } 10830c0d06caSMauro Carvalho Chehab 10840c0d06caSMauro Carvalho Chehab get_scale(dev, width, height, &hscale, &vscale); 10850c0d06caSMauro Carvalho Chehab 10860c0d06caSMauro Carvalho Chehab width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 10870c0d06caSMauro Carvalho Chehab height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 10880c0d06caSMauro Carvalho Chehab 10890c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 10900c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 10910c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 10920c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; 10930c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 10940c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 10950c0d06caSMauro Carvalho Chehab if (dev->progressive) 10960c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 10970c0d06caSMauro Carvalho Chehab else 10980c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 10990c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 11000c0d06caSMauro Carvalho Chehab 11010c0d06caSMauro Carvalho Chehab return 0; 11020c0d06caSMauro Carvalho Chehab } 11030c0d06caSMauro Carvalho Chehab 11040c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 11050c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 11060c0d06caSMauro Carvalho Chehab { 11070c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 11080c0d06caSMauro Carvalho Chehab 11090c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 11100c0d06caSMauro Carvalho Chehab if (!fmt) 11110c0d06caSMauro Carvalho Chehab return -EINVAL; 11120c0d06caSMauro Carvalho Chehab 11130c0d06caSMauro Carvalho Chehab dev->format = fmt; 11140c0d06caSMauro Carvalho Chehab dev->width = width; 11150c0d06caSMauro Carvalho Chehab dev->height = height; 11160c0d06caSMauro Carvalho Chehab 11170c0d06caSMauro Carvalho Chehab /* set new image size */ 11180c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 11190c0d06caSMauro Carvalho Chehab 11200c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 11210c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 11220c0d06caSMauro Carvalho Chehab 11230c0d06caSMauro Carvalho Chehab return 0; 11240c0d06caSMauro Carvalho Chehab } 11250c0d06caSMauro Carvalho Chehab 11260c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 11270c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 11280c0d06caSMauro Carvalho Chehab { 11290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11300c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11310c0d06caSMauro Carvalho Chehab int rc; 11320c0d06caSMauro Carvalho Chehab 11330c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11340c0d06caSMauro Carvalho Chehab if (rc < 0) 11350c0d06caSMauro Carvalho Chehab return rc; 11360c0d06caSMauro Carvalho Chehab 11370c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 11380c0d06caSMauro Carvalho Chehab 11390c0d06caSMauro Carvalho Chehab if (videobuf_queue_is_busy(&fh->vb_vidq)) { 11400c0d06caSMauro Carvalho Chehab em28xx_errdev("%s queue busy\n", __func__); 11410c0d06caSMauro Carvalho Chehab return -EBUSY; 11420c0d06caSMauro Carvalho Chehab } 11430c0d06caSMauro Carvalho Chehab 11440c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 11450c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 11460c0d06caSMauro Carvalho Chehab } 11470c0d06caSMauro Carvalho Chehab 11480c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 11490c0d06caSMauro Carvalho Chehab { 11500c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11510c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11520c0d06caSMauro Carvalho Chehab int rc; 11530c0d06caSMauro Carvalho Chehab 11540c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11550c0d06caSMauro Carvalho Chehab if (rc < 0) 11560c0d06caSMauro Carvalho Chehab return rc; 11570c0d06caSMauro Carvalho Chehab 11580c0d06caSMauro Carvalho Chehab *norm = dev->norm; 11590c0d06caSMauro Carvalho Chehab 11600c0d06caSMauro Carvalho Chehab return 0; 11610c0d06caSMauro Carvalho Chehab } 11620c0d06caSMauro Carvalho Chehab 11630c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 11640c0d06caSMauro Carvalho Chehab { 11650c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11660c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11670c0d06caSMauro Carvalho Chehab int rc; 11680c0d06caSMauro Carvalho Chehab 11690c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11700c0d06caSMauro Carvalho Chehab if (rc < 0) 11710c0d06caSMauro Carvalho Chehab return rc; 11720c0d06caSMauro Carvalho Chehab 11730c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); 11740c0d06caSMauro Carvalho Chehab 11750c0d06caSMauro Carvalho Chehab return 0; 11760c0d06caSMauro Carvalho Chehab } 11770c0d06caSMauro Carvalho Chehab 11780c0d06caSMauro Carvalho Chehab static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) 11790c0d06caSMauro Carvalho Chehab { 11800c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 11810c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 11820c0d06caSMauro Carvalho Chehab struct v4l2_format f; 11830c0d06caSMauro Carvalho Chehab int rc; 11840c0d06caSMauro Carvalho Chehab 11850c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 11860c0d06caSMauro Carvalho Chehab if (rc < 0) 11870c0d06caSMauro Carvalho Chehab return rc; 11880c0d06caSMauro Carvalho Chehab 11890c0d06caSMauro Carvalho Chehab dev->norm = *norm; 11900c0d06caSMauro Carvalho Chehab 11910c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 11920c0d06caSMauro Carvalho Chehab f.fmt.pix.width = dev->width; 11930c0d06caSMauro Carvalho Chehab f.fmt.pix.height = dev->height; 11940c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 11950c0d06caSMauro Carvalho Chehab 11960c0d06caSMauro Carvalho Chehab /* set new image size */ 11970c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 11980c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 11990c0d06caSMauro Carvalho Chehab get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 12000c0d06caSMauro Carvalho Chehab 12010c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 12020c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 12030c0d06caSMauro Carvalho Chehab 12040c0d06caSMauro Carvalho Chehab return 0; 12050c0d06caSMauro Carvalho Chehab } 12060c0d06caSMauro Carvalho Chehab 12070c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 12080c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 12090c0d06caSMauro Carvalho Chehab { 12100c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12110c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12120c0d06caSMauro Carvalho Chehab int rc = 0; 12130c0d06caSMauro Carvalho Chehab 12140c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 12150c0d06caSMauro Carvalho Chehab return -EINVAL; 12160c0d06caSMauro Carvalho Chehab 12170c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 12180c0d06caSMauro Carvalho Chehab rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, 12190c0d06caSMauro Carvalho Chehab video, g_parm, p); 12200c0d06caSMauro Carvalho Chehab else 12210c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 12220c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 12230c0d06caSMauro Carvalho Chehab 12240c0d06caSMauro Carvalho Chehab return rc; 12250c0d06caSMauro Carvalho Chehab } 12260c0d06caSMauro Carvalho Chehab 12270c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 12280c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 12290c0d06caSMauro Carvalho Chehab { 12300c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12310c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12320c0d06caSMauro Carvalho Chehab 12330c0d06caSMauro Carvalho Chehab if (!dev->board.is_webcam) 12340c0d06caSMauro Carvalho Chehab return -EINVAL; 12350c0d06caSMauro Carvalho Chehab 12360c0d06caSMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 12370c0d06caSMauro Carvalho Chehab return -EINVAL; 12380c0d06caSMauro Carvalho Chehab 12390c0d06caSMauro Carvalho Chehab return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p); 12400c0d06caSMauro Carvalho Chehab } 12410c0d06caSMauro Carvalho Chehab 12420c0d06caSMauro Carvalho Chehab static const char *iname[] = { 12430c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 12440c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 12450c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 12460c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 12470c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 12480c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 12490c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 12500c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 12510c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 12520c0d06caSMauro Carvalho Chehab }; 12530c0d06caSMauro Carvalho Chehab 12540c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 12550c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 12560c0d06caSMauro Carvalho Chehab { 12570c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12580c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12590c0d06caSMauro Carvalho Chehab unsigned int n; 12600c0d06caSMauro Carvalho Chehab 12610c0d06caSMauro Carvalho Chehab n = i->index; 12620c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 12630c0d06caSMauro Carvalho Chehab return -EINVAL; 12640c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 12650c0d06caSMauro Carvalho Chehab return -EINVAL; 12660c0d06caSMauro Carvalho Chehab 12670c0d06caSMauro Carvalho Chehab i->index = n; 12680c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 12690c0d06caSMauro Carvalho Chehab 12700c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 12710c0d06caSMauro Carvalho Chehab 12720c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 12730c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 12740c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 12750c0d06caSMauro Carvalho Chehab 12760c0d06caSMauro Carvalho Chehab i->std = dev->vdev->tvnorms; 12770c0d06caSMauro Carvalho Chehab 12780c0d06caSMauro Carvalho Chehab return 0; 12790c0d06caSMauro Carvalho Chehab } 12800c0d06caSMauro Carvalho Chehab 12810c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 12820c0d06caSMauro Carvalho Chehab { 12830c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12840c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12850c0d06caSMauro Carvalho Chehab 12860c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 12870c0d06caSMauro Carvalho Chehab 12880c0d06caSMauro Carvalho Chehab return 0; 12890c0d06caSMauro Carvalho Chehab } 12900c0d06caSMauro Carvalho Chehab 12910c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 12920c0d06caSMauro Carvalho Chehab { 12930c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12940c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12950c0d06caSMauro Carvalho Chehab int rc; 12960c0d06caSMauro Carvalho Chehab 12970c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 12980c0d06caSMauro Carvalho Chehab if (rc < 0) 12990c0d06caSMauro Carvalho Chehab return rc; 13000c0d06caSMauro Carvalho Chehab 13010c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 13020c0d06caSMauro Carvalho Chehab return -EINVAL; 13030c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 13040c0d06caSMauro Carvalho Chehab return -EINVAL; 13050c0d06caSMauro Carvalho Chehab 13060c0d06caSMauro Carvalho Chehab video_mux(dev, i); 13070c0d06caSMauro Carvalho Chehab return 0; 13080c0d06caSMauro Carvalho Chehab } 13090c0d06caSMauro Carvalho Chehab 13100c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 13110c0d06caSMauro Carvalho Chehab { 13120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13140c0d06caSMauro Carvalho Chehab 13150c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 13160c0d06caSMauro Carvalho Chehab return -EINVAL; 13170c0d06caSMauro Carvalho Chehab 13180c0d06caSMauro Carvalho Chehab switch (a->index) { 13190c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 13200c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 13210c0d06caSMauro Carvalho Chehab break; 13220c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 13230c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 13240c0d06caSMauro Carvalho Chehab break; 13250c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 13260c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 13270c0d06caSMauro Carvalho Chehab break; 13280c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 13290c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 13300c0d06caSMauro Carvalho Chehab break; 13310c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 13320c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 13330c0d06caSMauro Carvalho Chehab break; 13340c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 13350c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 13360c0d06caSMauro Carvalho Chehab break; 13370c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 13380c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 13390c0d06caSMauro Carvalho Chehab break; 13400c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 13410c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 13420c0d06caSMauro Carvalho Chehab break; 13430c0d06caSMauro Carvalho Chehab default: 13440c0d06caSMauro Carvalho Chehab return -EINVAL; 13450c0d06caSMauro Carvalho Chehab } 13460c0d06caSMauro Carvalho Chehab 13470c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 13480c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 13490c0d06caSMauro Carvalho Chehab 13500c0d06caSMauro Carvalho Chehab return 0; 13510c0d06caSMauro Carvalho Chehab } 13520c0d06caSMauro Carvalho Chehab 13530e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 13540c0d06caSMauro Carvalho Chehab { 13550c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13560c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13570c0d06caSMauro Carvalho Chehab 13580c0d06caSMauro Carvalho Chehab 13590c0d06caSMauro Carvalho Chehab if (!dev->audio_mode.has_audio) 13600c0d06caSMauro Carvalho Chehab return -EINVAL; 13610c0d06caSMauro Carvalho Chehab 13620c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 13630c0d06caSMauro Carvalho Chehab return -EINVAL; 13640c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 13650c0d06caSMauro Carvalho Chehab return -EINVAL; 13660c0d06caSMauro Carvalho Chehab 13670c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 13680c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 13690c0d06caSMauro Carvalho Chehab 13700c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 13710c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 13720c0d06caSMauro Carvalho Chehab 13730c0d06caSMauro Carvalho Chehab return 0; 13740c0d06caSMauro Carvalho Chehab } 13750c0d06caSMauro Carvalho Chehab 13760c0d06caSMauro Carvalho Chehab static int vidioc_queryctrl(struct file *file, void *priv, 13770c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 13780c0d06caSMauro Carvalho Chehab { 13790c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13800c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13810c0d06caSMauro Carvalho Chehab int id = qc->id; 13820c0d06caSMauro Carvalho Chehab int rc; 13830c0d06caSMauro Carvalho Chehab 13840c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 13850c0d06caSMauro Carvalho Chehab if (rc < 0) 13860c0d06caSMauro Carvalho Chehab return rc; 13870c0d06caSMauro Carvalho Chehab 13880c0d06caSMauro Carvalho Chehab memset(qc, 0, sizeof(*qc)); 13890c0d06caSMauro Carvalho Chehab 13900c0d06caSMauro Carvalho Chehab qc->id = id; 13910c0d06caSMauro Carvalho Chehab 13920c0d06caSMauro Carvalho Chehab /* enumerate AC97 controls */ 13930c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 13940c0d06caSMauro Carvalho Chehab rc = ac97_queryctrl(qc); 13950c0d06caSMauro Carvalho Chehab if (!rc) 13960c0d06caSMauro Carvalho Chehab return 0; 13970c0d06caSMauro Carvalho Chehab } 13980c0d06caSMauro Carvalho Chehab 13990c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 14000c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); 14010c0d06caSMauro Carvalho Chehab 14020c0d06caSMauro Carvalho Chehab if (qc->type) 14030c0d06caSMauro Carvalho Chehab return 0; 14040c0d06caSMauro Carvalho Chehab else 14050c0d06caSMauro Carvalho Chehab return -EINVAL; 14060c0d06caSMauro Carvalho Chehab } 14070c0d06caSMauro Carvalho Chehab 14080c0d06caSMauro Carvalho Chehab /* 14090c0d06caSMauro Carvalho Chehab * FIXME: This is an indirect way to check if a control exists at a 14100c0d06caSMauro Carvalho Chehab * subdev. Instead of that hack, maybe the better would be to change all 14110c0d06caSMauro Carvalho Chehab * subdevs to return -ENOIOCTLCMD, if an ioctl is not supported. 14120c0d06caSMauro Carvalho Chehab */ 14130c0d06caSMauro Carvalho Chehab static int check_subdev_ctrl(struct em28xx *dev, int id) 14140c0d06caSMauro Carvalho Chehab { 14150c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl qc; 14160c0d06caSMauro Carvalho Chehab 14170c0d06caSMauro Carvalho Chehab memset(&qc, 0, sizeof(qc)); 14180c0d06caSMauro Carvalho Chehab qc.id = id; 14190c0d06caSMauro Carvalho Chehab 14200c0d06caSMauro Carvalho Chehab /* enumerate V4L2 device controls */ 14210c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, &qc); 14220c0d06caSMauro Carvalho Chehab 14230c0d06caSMauro Carvalho Chehab if (qc.type) 14240c0d06caSMauro Carvalho Chehab return 0; 14250c0d06caSMauro Carvalho Chehab else 14260c0d06caSMauro Carvalho Chehab return -EINVAL; 14270c0d06caSMauro Carvalho Chehab } 14280c0d06caSMauro Carvalho Chehab 14290c0d06caSMauro Carvalho Chehab static int vidioc_g_ctrl(struct file *file, void *priv, 14300c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 14310c0d06caSMauro Carvalho Chehab { 14320c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14330c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14340c0d06caSMauro Carvalho Chehab int rc; 14350c0d06caSMauro Carvalho Chehab 14360c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 14370c0d06caSMauro Carvalho Chehab if (rc < 0) 14380c0d06caSMauro Carvalho Chehab return rc; 14390c0d06caSMauro Carvalho Chehab rc = 0; 14400c0d06caSMauro Carvalho Chehab 14410c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 14420c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 14430c0d06caSMauro Carvalho Chehab rc = ac97_get_ctrl(dev, ctrl); 14440c0d06caSMauro Carvalho Chehab else 14450c0d06caSMauro Carvalho Chehab rc = 1; 14460c0d06caSMauro Carvalho Chehab 14470c0d06caSMauro Carvalho Chehab /* It were not an AC97 control. Sends it to the v4l2 dev interface */ 14480c0d06caSMauro Carvalho Chehab if (rc == 1) { 14490c0d06caSMauro Carvalho Chehab if (check_subdev_ctrl(dev, ctrl->id)) 14500c0d06caSMauro Carvalho Chehab return -EINVAL; 14510c0d06caSMauro Carvalho Chehab 14520c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); 14530c0d06caSMauro Carvalho Chehab rc = 0; 14540c0d06caSMauro Carvalho Chehab } 14550c0d06caSMauro Carvalho Chehab 14560c0d06caSMauro Carvalho Chehab return rc; 14570c0d06caSMauro Carvalho Chehab } 14580c0d06caSMauro Carvalho Chehab 14590c0d06caSMauro Carvalho Chehab static int vidioc_s_ctrl(struct file *file, void *priv, 14600c0d06caSMauro Carvalho Chehab struct v4l2_control *ctrl) 14610c0d06caSMauro Carvalho Chehab { 14620c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14630c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14640c0d06caSMauro Carvalho Chehab int rc; 14650c0d06caSMauro Carvalho Chehab 14660c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 14670c0d06caSMauro Carvalho Chehab if (rc < 0) 14680c0d06caSMauro Carvalho Chehab return rc; 14690c0d06caSMauro Carvalho Chehab 14700c0d06caSMauro Carvalho Chehab /* Set an AC97 control */ 14710c0d06caSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) 14720c0d06caSMauro Carvalho Chehab rc = ac97_set_ctrl(dev, ctrl); 14730c0d06caSMauro Carvalho Chehab else 14740c0d06caSMauro Carvalho Chehab rc = 1; 14750c0d06caSMauro Carvalho Chehab 14760c0d06caSMauro Carvalho Chehab /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ 14770c0d06caSMauro Carvalho Chehab if (rc == 1) { 14780c0d06caSMauro Carvalho Chehab rc = check_subdev_ctrl(dev, ctrl->id); 14790c0d06caSMauro Carvalho Chehab if (!rc) 14800c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, 14810c0d06caSMauro Carvalho Chehab core, s_ctrl, ctrl); 14820c0d06caSMauro Carvalho Chehab /* 14830c0d06caSMauro Carvalho Chehab * In the case of non-AC97 volume controls, we still need 14840c0d06caSMauro Carvalho Chehab * to do some setups at em28xx, in order to mute/unmute 14850c0d06caSMauro Carvalho Chehab * and to adjust audio volume. However, the value ranges 14860c0d06caSMauro Carvalho Chehab * should be checked by the corresponding V4L subdriver. 14870c0d06caSMauro Carvalho Chehab */ 14880c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 14890c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 14900c0d06caSMauro Carvalho Chehab dev->mute = ctrl->value; 14910c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 14920c0d06caSMauro Carvalho Chehab break; 14930c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 14940c0d06caSMauro Carvalho Chehab dev->volume = ctrl->value; 14950c0d06caSMauro Carvalho Chehab rc = em28xx_audio_analog_set(dev); 14960c0d06caSMauro Carvalho Chehab } 14970c0d06caSMauro Carvalho Chehab } 14980c0d06caSMauro Carvalho Chehab return (rc < 0) ? rc : 0; 14990c0d06caSMauro Carvalho Chehab } 15000c0d06caSMauro Carvalho Chehab 15010c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15020c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15030c0d06caSMauro Carvalho Chehab { 15040c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15050c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15060c0d06caSMauro Carvalho Chehab int rc; 15070c0d06caSMauro Carvalho Chehab 15080c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15090c0d06caSMauro Carvalho Chehab if (rc < 0) 15100c0d06caSMauro Carvalho Chehab return rc; 15110c0d06caSMauro Carvalho Chehab 15120c0d06caSMauro Carvalho Chehab if (0 != t->index) 15130c0d06caSMauro Carvalho Chehab return -EINVAL; 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15160c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_ANALOG_TV; 15170c0d06caSMauro Carvalho Chehab 15180c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 15190c0d06caSMauro Carvalho Chehab return 0; 15200c0d06caSMauro Carvalho Chehab } 15210c0d06caSMauro Carvalho Chehab 15220c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15230c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15240c0d06caSMauro Carvalho Chehab { 15250c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15260c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15270c0d06caSMauro Carvalho Chehab int rc; 15280c0d06caSMauro Carvalho Chehab 15290c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15300c0d06caSMauro Carvalho Chehab if (rc < 0) 15310c0d06caSMauro Carvalho Chehab return rc; 15320c0d06caSMauro Carvalho Chehab 15330c0d06caSMauro Carvalho Chehab if (0 != t->index) 15340c0d06caSMauro Carvalho Chehab return -EINVAL; 15350c0d06caSMauro Carvalho Chehab 15360c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 15370c0d06caSMauro Carvalho Chehab return 0; 15380c0d06caSMauro Carvalho Chehab } 15390c0d06caSMauro Carvalho Chehab 15400c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15410c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15420c0d06caSMauro Carvalho Chehab { 15430c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15440c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15450c0d06caSMauro Carvalho Chehab 15460c0d06caSMauro Carvalho Chehab f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 15470c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15480c0d06caSMauro Carvalho Chehab return 0; 15490c0d06caSMauro Carvalho Chehab } 15500c0d06caSMauro Carvalho Chehab 15510c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 15520c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15530c0d06caSMauro Carvalho Chehab { 15540c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15550c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15560c0d06caSMauro Carvalho Chehab int rc; 15570c0d06caSMauro Carvalho Chehab 15580c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 15590c0d06caSMauro Carvalho Chehab if (rc < 0) 15600c0d06caSMauro Carvalho Chehab return rc; 15610c0d06caSMauro Carvalho Chehab 15620c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 15630c0d06caSMauro Carvalho Chehab return -EINVAL; 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 15660c0d06caSMauro Carvalho Chehab return -EINVAL; 15670c0d06caSMauro Carvalho Chehab if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 15680c0d06caSMauro Carvalho Chehab return -EINVAL; 15690c0d06caSMauro Carvalho Chehab 15700c0d06caSMauro Carvalho Chehab dev->ctl_freq = f->frequency; 15710c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); 15720c0d06caSMauro Carvalho Chehab 15730c0d06caSMauro Carvalho Chehab return 0; 15740c0d06caSMauro Carvalho Chehab } 15750c0d06caSMauro Carvalho Chehab 15760c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 15770c0d06caSMauro Carvalho Chehab static int em28xx_reg_len(int reg) 15780c0d06caSMauro Carvalho Chehab { 15790c0d06caSMauro Carvalho Chehab switch (reg) { 15800c0d06caSMauro Carvalho Chehab case EM28XX_R40_AC97LSB: 15810c0d06caSMauro Carvalho Chehab case EM28XX_R30_HSCALELOW: 15820c0d06caSMauro Carvalho Chehab case EM28XX_R32_VSCALELOW: 15830c0d06caSMauro Carvalho Chehab return 2; 15840c0d06caSMauro Carvalho Chehab default: 15850c0d06caSMauro Carvalho Chehab return 1; 15860c0d06caSMauro Carvalho Chehab } 15870c0d06caSMauro Carvalho Chehab } 15880c0d06caSMauro Carvalho Chehab 15890c0d06caSMauro Carvalho Chehab static int vidioc_g_chip_ident(struct file *file, void *priv, 15900c0d06caSMauro Carvalho Chehab struct v4l2_dbg_chip_ident *chip) 15910c0d06caSMauro Carvalho Chehab { 15920c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15930c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15940c0d06caSMauro Carvalho Chehab 15950c0d06caSMauro Carvalho Chehab chip->ident = V4L2_IDENT_NONE; 15960c0d06caSMauro Carvalho Chehab chip->revision = 0; 15970c0d06caSMauro Carvalho Chehab 15980c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); 15990c0d06caSMauro Carvalho Chehab 16000c0d06caSMauro Carvalho Chehab return 0; 16010c0d06caSMauro Carvalho Chehab } 16020c0d06caSMauro Carvalho Chehab 16030c0d06caSMauro Carvalho Chehab 16040c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16050c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16060c0d06caSMauro Carvalho Chehab { 16070c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16080c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16090c0d06caSMauro Carvalho Chehab int ret; 16100c0d06caSMauro Carvalho Chehab 16110c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 16120c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 16130c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16140c0d06caSMauro Carvalho Chehab if (ret < 0) 16150c0d06caSMauro Carvalho Chehab return ret; 16160c0d06caSMauro Carvalho Chehab 16170c0d06caSMauro Carvalho Chehab reg->val = ret; 16180c0d06caSMauro Carvalho Chehab reg->size = 1; 16190c0d06caSMauro Carvalho Chehab return 0; 16200c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 16210c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 16220c0d06caSMauro Carvalho Chehab return 0; 16230c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 16240c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 16250c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); 16260c0d06caSMauro Carvalho Chehab return 0; 16270c0d06caSMauro Carvalho Chehab default: 16280c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 16290c0d06caSMauro Carvalho Chehab return -EINVAL; 16300c0d06caSMauro Carvalho Chehab } 16310c0d06caSMauro Carvalho Chehab 16320c0d06caSMauro Carvalho Chehab /* Match host */ 16330c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16340c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16350c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16360c0d06caSMauro Carvalho Chehab 16370c0d06caSMauro Carvalho Chehab if (ret < 0) 16380c0d06caSMauro Carvalho Chehab return ret; 16390c0d06caSMauro Carvalho Chehab 16400c0d06caSMauro Carvalho Chehab reg->val = ret; 16410c0d06caSMauro Carvalho Chehab } else { 16420c0d06caSMauro Carvalho Chehab __le16 val = 0; 16430c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16440c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16450c0d06caSMauro Carvalho Chehab if (ret < 0) 16460c0d06caSMauro Carvalho Chehab return ret; 16470c0d06caSMauro Carvalho Chehab 16480c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16490c0d06caSMauro Carvalho Chehab } 16500c0d06caSMauro Carvalho Chehab 16510c0d06caSMauro Carvalho Chehab return 0; 16520c0d06caSMauro Carvalho Chehab } 16530c0d06caSMauro Carvalho Chehab 16540c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 16550c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16560c0d06caSMauro Carvalho Chehab { 16570c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16580c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16590c0d06caSMauro Carvalho Chehab __le16 buf; 16600c0d06caSMauro Carvalho Chehab 16610c0d06caSMauro Carvalho Chehab switch (reg->match.type) { 16620c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_AC97: 16630c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 16640c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_DRIVER: 16650c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 16660c0d06caSMauro Carvalho Chehab return 0; 16670c0d06caSMauro Carvalho Chehab case V4L2_CHIP_MATCH_I2C_ADDR: 16680c0d06caSMauro Carvalho Chehab /* TODO: is this correct? */ 16690c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); 16700c0d06caSMauro Carvalho Chehab return 0; 16710c0d06caSMauro Carvalho Chehab default: 16720c0d06caSMauro Carvalho Chehab if (!v4l2_chip_match_host(®->match)) 16730c0d06caSMauro Carvalho Chehab return -EINVAL; 16740c0d06caSMauro Carvalho Chehab } 16750c0d06caSMauro Carvalho Chehab 16760c0d06caSMauro Carvalho Chehab /* Match host */ 16770c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 16780c0d06caSMauro Carvalho Chehab 16790c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 16800c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 16810c0d06caSMauro Carvalho Chehab } 16820c0d06caSMauro Carvalho Chehab #endif 16830c0d06caSMauro Carvalho Chehab 16840c0d06caSMauro Carvalho Chehab 16850c0d06caSMauro Carvalho Chehab static int vidioc_cropcap(struct file *file, void *priv, 16860c0d06caSMauro Carvalho Chehab struct v4l2_cropcap *cc) 16870c0d06caSMauro Carvalho Chehab { 16880c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16890c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16900c0d06caSMauro Carvalho Chehab 16910c0d06caSMauro Carvalho Chehab if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 16920c0d06caSMauro Carvalho Chehab return -EINVAL; 16930c0d06caSMauro Carvalho Chehab 16940c0d06caSMauro Carvalho Chehab cc->bounds.left = 0; 16950c0d06caSMauro Carvalho Chehab cc->bounds.top = 0; 16960c0d06caSMauro Carvalho Chehab cc->bounds.width = dev->width; 16970c0d06caSMauro Carvalho Chehab cc->bounds.height = dev->height; 16980c0d06caSMauro Carvalho Chehab cc->defrect = cc->bounds; 16990c0d06caSMauro Carvalho Chehab cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ 17000c0d06caSMauro Carvalho Chehab cc->pixelaspect.denominator = 59; 17010c0d06caSMauro Carvalho Chehab 17020c0d06caSMauro Carvalho Chehab return 0; 17030c0d06caSMauro Carvalho Chehab } 17040c0d06caSMauro Carvalho Chehab 17050c0d06caSMauro Carvalho Chehab static int vidioc_streamon(struct file *file, void *priv, 17060c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 17070c0d06caSMauro Carvalho Chehab { 17080c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17090c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17100c0d06caSMauro Carvalho Chehab int rc = -EINVAL; 17110c0d06caSMauro Carvalho Chehab 17120c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17130c0d06caSMauro Carvalho Chehab if (rc < 0) 17140c0d06caSMauro Carvalho Chehab return rc; 17150c0d06caSMauro Carvalho Chehab 17160c0d06caSMauro Carvalho Chehab if (unlikely(type != fh->type)) 17170c0d06caSMauro Carvalho Chehab return -EINVAL; 17180c0d06caSMauro Carvalho Chehab 17190c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", 17200c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 17210c0d06caSMauro Carvalho Chehab 17220c0d06caSMauro Carvalho Chehab if (unlikely(!res_get(fh, get_ressource(fh)))) 17230c0d06caSMauro Carvalho Chehab return -EBUSY; 17240c0d06caSMauro Carvalho Chehab 17250c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 17260c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vidq); 17270c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 17280c0d06caSMauro Carvalho Chehab rc = videobuf_streamon(&fh->vb_vbiq); 17290c0d06caSMauro Carvalho Chehab 17300c0d06caSMauro Carvalho Chehab return rc; 17310c0d06caSMauro Carvalho Chehab } 17320c0d06caSMauro Carvalho Chehab 17330c0d06caSMauro Carvalho Chehab static int vidioc_streamoff(struct file *file, void *priv, 17340c0d06caSMauro Carvalho Chehab enum v4l2_buf_type type) 17350c0d06caSMauro Carvalho Chehab { 17360c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17370c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17380c0d06caSMauro Carvalho Chehab int rc; 17390c0d06caSMauro Carvalho Chehab 17400c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 17410c0d06caSMauro Carvalho Chehab if (rc < 0) 17420c0d06caSMauro Carvalho Chehab return rc; 17430c0d06caSMauro Carvalho Chehab 17440c0d06caSMauro Carvalho Chehab if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 17450c0d06caSMauro Carvalho Chehab fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) 17460c0d06caSMauro Carvalho Chehab return -EINVAL; 17470c0d06caSMauro Carvalho Chehab if (type != fh->type) 17480c0d06caSMauro Carvalho Chehab return -EINVAL; 17490c0d06caSMauro Carvalho Chehab 17500c0d06caSMauro Carvalho Chehab em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", 17510c0d06caSMauro Carvalho Chehab fh, type, fh->resources, dev->resources); 17520c0d06caSMauro Carvalho Chehab 17530c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 17540c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 17550c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vidq); 17560c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 17570c0d06caSMauro Carvalho Chehab } 17580c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 17590c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 17600c0d06caSMauro Carvalho Chehab videobuf_streamoff(&fh->vb_vbiq); 17610c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 17620c0d06caSMauro Carvalho Chehab } 17630c0d06caSMauro Carvalho Chehab } 17640c0d06caSMauro Carvalho Chehab 17650c0d06caSMauro Carvalho Chehab return 0; 17660c0d06caSMauro Carvalho Chehab } 17670c0d06caSMauro Carvalho Chehab 17680c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17690c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17700c0d06caSMauro Carvalho Chehab { 17710c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17720c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17730c0d06caSMauro Carvalho Chehab 17740c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 17750c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 17760c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 17770c0d06caSMauro Carvalho Chehab 17780c0d06caSMauro Carvalho Chehab cap->capabilities = 17790c0d06caSMauro Carvalho Chehab V4L2_CAP_SLICED_VBI_CAPTURE | 17800c0d06caSMauro Carvalho Chehab V4L2_CAP_VIDEO_CAPTURE | 17810c0d06caSMauro Carvalho Chehab V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 17820c0d06caSMauro Carvalho Chehab 17830c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 17840c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 17850c0d06caSMauro Carvalho Chehab 17860c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 17870c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_AUDIO; 17880c0d06caSMauro Carvalho Chehab 17890c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 17900c0d06caSMauro Carvalho Chehab cap->capabilities |= V4L2_CAP_TUNER; 17910c0d06caSMauro Carvalho Chehab 17920c0d06caSMauro Carvalho Chehab return 0; 17930c0d06caSMauro Carvalho Chehab } 17940c0d06caSMauro Carvalho Chehab 17950c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17960c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17970c0d06caSMauro Carvalho Chehab { 17980c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17990c0d06caSMauro Carvalho Chehab return -EINVAL; 18000c0d06caSMauro Carvalho Chehab 18010c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 18020c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 18030c0d06caSMauro Carvalho Chehab 18040c0d06caSMauro Carvalho Chehab return 0; 18050c0d06caSMauro Carvalho Chehab } 18060c0d06caSMauro Carvalho Chehab 18070c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 18080c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 18090c0d06caSMauro Carvalho Chehab { 18100c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18110c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18120c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 18130c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 18140c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 18150c0d06caSMauro Carvalho Chehab 18160c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 18170c0d06caSMauro Carvalho Chehab if (!fmt) { 18180c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 18190c0d06caSMauro Carvalho Chehab fsize->pixel_format); 18200c0d06caSMauro Carvalho Chehab return -EINVAL; 18210c0d06caSMauro Carvalho Chehab } 18220c0d06caSMauro Carvalho Chehab 18230c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 18240c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 18250c0d06caSMauro Carvalho Chehab return -EINVAL; 18260c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 18270c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 18280c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 18290c0d06caSMauro Carvalho Chehab return 0; 18300c0d06caSMauro Carvalho Chehab } 18310c0d06caSMauro Carvalho Chehab 18320c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 18330c0d06caSMauro Carvalho Chehab return -EINVAL; 18340c0d06caSMauro Carvalho Chehab 18350c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 18360c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 18370c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 18380c0d06caSMauro Carvalho Chehab fsize->stepwise.min_height = 32; 18390c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 18400c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 18410c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 18420c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 18430c0d06caSMauro Carvalho Chehab return 0; 18440c0d06caSMauro Carvalho Chehab } 18450c0d06caSMauro Carvalho Chehab 18460c0d06caSMauro Carvalho Chehab /* Sliced VBI ioctls */ 18470c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, 18480c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 18490c0d06caSMauro Carvalho Chehab { 18500c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18510c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18520c0d06caSMauro Carvalho Chehab int rc; 18530c0d06caSMauro Carvalho Chehab 18540c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18550c0d06caSMauro Carvalho Chehab if (rc < 0) 18560c0d06caSMauro Carvalho Chehab return rc; 18570c0d06caSMauro Carvalho Chehab 18580c0d06caSMauro Carvalho Chehab f->fmt.sliced.service_set = 0; 18590c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 18600c0d06caSMauro Carvalho Chehab 18610c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 18620c0d06caSMauro Carvalho Chehab rc = -EINVAL; 18630c0d06caSMauro Carvalho Chehab 18640c0d06caSMauro Carvalho Chehab return rc; 18650c0d06caSMauro Carvalho Chehab } 18660c0d06caSMauro Carvalho Chehab 18670c0d06caSMauro Carvalho Chehab static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, 18680c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 18690c0d06caSMauro Carvalho Chehab { 18700c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18710c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18720c0d06caSMauro Carvalho Chehab int rc; 18730c0d06caSMauro Carvalho Chehab 18740c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 18750c0d06caSMauro Carvalho Chehab if (rc < 0) 18760c0d06caSMauro Carvalho Chehab return rc; 18770c0d06caSMauro Carvalho Chehab 18780c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced); 18790c0d06caSMauro Carvalho Chehab 18800c0d06caSMauro Carvalho Chehab if (f->fmt.sliced.service_set == 0) 18810c0d06caSMauro Carvalho Chehab return -EINVAL; 18820c0d06caSMauro Carvalho Chehab 18830c0d06caSMauro Carvalho Chehab return 0; 18840c0d06caSMauro Carvalho Chehab } 18850c0d06caSMauro Carvalho Chehab 18860c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 18870c0d06caSMauro Carvalho Chehab 18880c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 18890c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 18900c0d06caSMauro Carvalho Chehab { 18910c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18920c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 18930c0d06caSMauro Carvalho Chehab 18940c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 18950c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 18960c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 18970c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 18980c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 18990c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 19000c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 19010c0d06caSMauro Carvalho Chehab 19020c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 19030c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 19040c0d06caSMauro Carvalho Chehab /* NTSC */ 19050c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 19060c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 19070c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 19080c0d06caSMauro Carvalho Chehab /* PAL */ 19090c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 19100c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 19110c0d06caSMauro Carvalho Chehab } 19120c0d06caSMauro Carvalho Chehab 19130c0d06caSMauro Carvalho Chehab return 0; 19140c0d06caSMauro Carvalho Chehab } 19150c0d06caSMauro Carvalho Chehab 19160c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, 19170c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 19180c0d06caSMauro Carvalho Chehab { 19190c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19200c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19210c0d06caSMauro Carvalho Chehab 19220c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 19230c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 19240c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 19250c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 19260c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 19270c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 19280c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 19290c0d06caSMauro Carvalho Chehab 19300c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 19310c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 19320c0d06caSMauro Carvalho Chehab /* NTSC */ 19330c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 19340c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 19350c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 19360c0d06caSMauro Carvalho Chehab /* PAL */ 19370c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 19380c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 19390c0d06caSMauro Carvalho Chehab } 19400c0d06caSMauro Carvalho Chehab 19410c0d06caSMauro Carvalho Chehab return 0; 19420c0d06caSMauro Carvalho Chehab } 19430c0d06caSMauro Carvalho Chehab 19440c0d06caSMauro Carvalho Chehab static int vidioc_reqbufs(struct file *file, void *priv, 19450c0d06caSMauro Carvalho Chehab struct v4l2_requestbuffers *rb) 19460c0d06caSMauro Carvalho Chehab { 19470c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19480c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19490c0d06caSMauro Carvalho Chehab int rc; 19500c0d06caSMauro Carvalho Chehab 19510c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 19520c0d06caSMauro Carvalho Chehab if (rc < 0) 19530c0d06caSMauro Carvalho Chehab return rc; 19540c0d06caSMauro Carvalho Chehab 19550c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 19560c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vidq, rb); 19570c0d06caSMauro Carvalho Chehab else 19580c0d06caSMauro Carvalho Chehab return videobuf_reqbufs(&fh->vb_vbiq, rb); 19590c0d06caSMauro Carvalho Chehab } 19600c0d06caSMauro Carvalho Chehab 19610c0d06caSMauro Carvalho Chehab static int vidioc_querybuf(struct file *file, void *priv, 19620c0d06caSMauro Carvalho Chehab struct v4l2_buffer *b) 19630c0d06caSMauro Carvalho Chehab { 19640c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19650c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19660c0d06caSMauro Carvalho Chehab int rc; 19670c0d06caSMauro Carvalho Chehab 19680c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 19690c0d06caSMauro Carvalho Chehab if (rc < 0) 19700c0d06caSMauro Carvalho Chehab return rc; 19710c0d06caSMauro Carvalho Chehab 19720c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 19730c0d06caSMauro Carvalho Chehab return videobuf_querybuf(&fh->vb_vidq, b); 19740c0d06caSMauro Carvalho Chehab else { 19750c0d06caSMauro Carvalho Chehab /* FIXME: I'm not sure yet whether this is a bug in zvbi or 19760c0d06caSMauro Carvalho Chehab the videobuf framework, but we probably shouldn't be 19770c0d06caSMauro Carvalho Chehab returning a buffer larger than that which was asked for. 19780c0d06caSMauro Carvalho Chehab At a minimum, it causes a crash in zvbi since it does 19790c0d06caSMauro Carvalho Chehab a memcpy based on the source buffer length */ 19800c0d06caSMauro Carvalho Chehab int result = videobuf_querybuf(&fh->vb_vbiq, b); 19810c0d06caSMauro Carvalho Chehab b->length = dev->vbi_width * dev->vbi_height * 2; 19820c0d06caSMauro Carvalho Chehab 19830c0d06caSMauro Carvalho Chehab return result; 19840c0d06caSMauro Carvalho Chehab } 19850c0d06caSMauro Carvalho Chehab } 19860c0d06caSMauro Carvalho Chehab 19870c0d06caSMauro Carvalho Chehab static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) 19880c0d06caSMauro Carvalho Chehab { 19890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 19900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 19910c0d06caSMauro Carvalho Chehab int rc; 19920c0d06caSMauro Carvalho Chehab 19930c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 19940c0d06caSMauro Carvalho Chehab if (rc < 0) 19950c0d06caSMauro Carvalho Chehab return rc; 19960c0d06caSMauro Carvalho Chehab 19970c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 19980c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vidq, b); 19990c0d06caSMauro Carvalho Chehab else 20000c0d06caSMauro Carvalho Chehab return videobuf_qbuf(&fh->vb_vbiq, b); 20010c0d06caSMauro Carvalho Chehab } 20020c0d06caSMauro Carvalho Chehab 20030c0d06caSMauro Carvalho Chehab static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) 20040c0d06caSMauro Carvalho Chehab { 20050c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 20060c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 20070c0d06caSMauro Carvalho Chehab int rc; 20080c0d06caSMauro Carvalho Chehab 20090c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 20100c0d06caSMauro Carvalho Chehab if (rc < 0) 20110c0d06caSMauro Carvalho Chehab return rc; 20120c0d06caSMauro Carvalho Chehab 20130c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 20140c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & 20150c0d06caSMauro Carvalho Chehab O_NONBLOCK); 20160c0d06caSMauro Carvalho Chehab else 20170c0d06caSMauro Carvalho Chehab return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & 20180c0d06caSMauro Carvalho Chehab O_NONBLOCK); 20190c0d06caSMauro Carvalho Chehab } 20200c0d06caSMauro Carvalho Chehab 20210c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 20220c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 20230c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 20240c0d06caSMauro Carvalho Chehab 20250c0d06caSMauro Carvalho Chehab static int radio_querycap(struct file *file, void *priv, 20260c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 20270c0d06caSMauro Carvalho Chehab { 20280c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20290c0d06caSMauro Carvalho Chehab 20300c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 20310c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 20320c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 20330c0d06caSMauro Carvalho Chehab 20340c0d06caSMauro Carvalho Chehab cap->capabilities = V4L2_CAP_TUNER; 20350c0d06caSMauro Carvalho Chehab return 0; 20360c0d06caSMauro Carvalho Chehab } 20370c0d06caSMauro Carvalho Chehab 20380c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 20390c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 20400c0d06caSMauro Carvalho Chehab { 20410c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20420c0d06caSMauro Carvalho Chehab 20430c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 20440c0d06caSMauro Carvalho Chehab return -EINVAL; 20450c0d06caSMauro Carvalho Chehab 20460c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 20470c0d06caSMauro Carvalho Chehab t->type = V4L2_TUNER_RADIO; 20480c0d06caSMauro Carvalho Chehab 20490c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); 20500c0d06caSMauro Carvalho Chehab 20510c0d06caSMauro Carvalho Chehab return 0; 20520c0d06caSMauro Carvalho Chehab } 20530c0d06caSMauro Carvalho Chehab 20540c0d06caSMauro Carvalho Chehab static int radio_enum_input(struct file *file, void *priv, 20550c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 20560c0d06caSMauro Carvalho Chehab { 20570c0d06caSMauro Carvalho Chehab if (i->index != 0) 20580c0d06caSMauro Carvalho Chehab return -EINVAL; 20590c0d06caSMauro Carvalho Chehab strcpy(i->name, "Radio"); 20600c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 20610c0d06caSMauro Carvalho Chehab 20620c0d06caSMauro Carvalho Chehab return 0; 20630c0d06caSMauro Carvalho Chehab } 20640c0d06caSMauro Carvalho Chehab 20650c0d06caSMauro Carvalho Chehab static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 20660c0d06caSMauro Carvalho Chehab { 20670c0d06caSMauro Carvalho Chehab if (unlikely(a->index)) 20680c0d06caSMauro Carvalho Chehab return -EINVAL; 20690c0d06caSMauro Carvalho Chehab 20700c0d06caSMauro Carvalho Chehab strcpy(a->name, "Radio"); 20710c0d06caSMauro Carvalho Chehab return 0; 20720c0d06caSMauro Carvalho Chehab } 20730c0d06caSMauro Carvalho Chehab 20740c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 20750c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 20760c0d06caSMauro Carvalho Chehab { 20770c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 20780c0d06caSMauro Carvalho Chehab 20790c0d06caSMauro Carvalho Chehab if (0 != t->index) 20800c0d06caSMauro Carvalho Chehab return -EINVAL; 20810c0d06caSMauro Carvalho Chehab 20820c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); 20830c0d06caSMauro Carvalho Chehab 20840c0d06caSMauro Carvalho Chehab return 0; 20850c0d06caSMauro Carvalho Chehab } 20860c0d06caSMauro Carvalho Chehab 20870c0d06caSMauro Carvalho Chehab static int radio_s_audio(struct file *file, void *fh, 20880e8025b9SHans Verkuil const struct v4l2_audio *a) 20890c0d06caSMauro Carvalho Chehab { 20900c0d06caSMauro Carvalho Chehab return 0; 20910c0d06caSMauro Carvalho Chehab } 20920c0d06caSMauro Carvalho Chehab 20930c0d06caSMauro Carvalho Chehab static int radio_s_input(struct file *file, void *fh, unsigned int i) 20940c0d06caSMauro Carvalho Chehab { 20950c0d06caSMauro Carvalho Chehab return 0; 20960c0d06caSMauro Carvalho Chehab } 20970c0d06caSMauro Carvalho Chehab 20980c0d06caSMauro Carvalho Chehab static int radio_queryctrl(struct file *file, void *priv, 20990c0d06caSMauro Carvalho Chehab struct v4l2_queryctrl *qc) 21000c0d06caSMauro Carvalho Chehab { 21010c0d06caSMauro Carvalho Chehab int i; 21020c0d06caSMauro Carvalho Chehab 21030c0d06caSMauro Carvalho Chehab if (qc->id < V4L2_CID_BASE || 21040c0d06caSMauro Carvalho Chehab qc->id >= V4L2_CID_LASTP1) 21050c0d06caSMauro Carvalho Chehab return -EINVAL; 21060c0d06caSMauro Carvalho Chehab 21070c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) { 21080c0d06caSMauro Carvalho Chehab if (qc->id && qc->id == ac97_qctrl[i].id) { 21090c0d06caSMauro Carvalho Chehab memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc)); 21100c0d06caSMauro Carvalho Chehab return 0; 21110c0d06caSMauro Carvalho Chehab } 21120c0d06caSMauro Carvalho Chehab } 21130c0d06caSMauro Carvalho Chehab 21140c0d06caSMauro Carvalho Chehab return -EINVAL; 21150c0d06caSMauro Carvalho Chehab } 21160c0d06caSMauro Carvalho Chehab 21170c0d06caSMauro Carvalho Chehab /* 21180c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 21190c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 21200c0d06caSMauro Carvalho Chehab */ 21210c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 21220c0d06caSMauro Carvalho Chehab { 21230c0d06caSMauro Carvalho Chehab int errCode = 0, radio = 0; 21240c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 21250c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 21260c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 21270c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 21280c0d06caSMauro Carvalho Chehab enum v4l2_field field; 21290c0d06caSMauro Carvalho Chehab 21300c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 21310c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 21320c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 21330c0d06caSMauro Carvalho Chehab break; 21340c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 21350c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 21360c0d06caSMauro Carvalho Chehab break; 21370c0d06caSMauro Carvalho Chehab case VFL_TYPE_RADIO: 21380c0d06caSMauro Carvalho Chehab radio = 1; 21390c0d06caSMauro Carvalho Chehab break; 21400c0d06caSMauro Carvalho Chehab } 21410c0d06caSMauro Carvalho Chehab 21420c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 21430c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 21440c0d06caSMauro Carvalho Chehab dev->users); 21450c0d06caSMauro Carvalho Chehab 21460c0d06caSMauro Carvalho Chehab 21470c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 21480c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 21490c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 21500c0d06caSMauro Carvalho Chehab if (!fh) { 21510c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 21520c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21530c0d06caSMauro Carvalho Chehab return -ENOMEM; 21540c0d06caSMauro Carvalho Chehab } 21550c0d06caSMauro Carvalho Chehab fh->dev = dev; 21560c0d06caSMauro Carvalho Chehab fh->radio = radio; 21570c0d06caSMauro Carvalho Chehab fh->type = fh_type; 21580c0d06caSMauro Carvalho Chehab filp->private_data = fh; 21590c0d06caSMauro Carvalho Chehab 21600c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { 21610c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 21620c0d06caSMauro Carvalho Chehab em28xx_set_alternate(dev); 21630c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 21640c0d06caSMauro Carvalho Chehab 21650c0d06caSMauro Carvalho Chehab /* Needed, since GPIO might have disabled power of 21660c0d06caSMauro Carvalho Chehab some i2c device 21670c0d06caSMauro Carvalho Chehab */ 21680c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 21690c0d06caSMauro Carvalho Chehab 21700c0d06caSMauro Carvalho Chehab } 21710c0d06caSMauro Carvalho Chehab if (fh->radio) { 21720c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 21730c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); 21740c0d06caSMauro Carvalho Chehab } 21750c0d06caSMauro Carvalho Chehab 21760c0d06caSMauro Carvalho Chehab dev->users++; 21770c0d06caSMauro Carvalho Chehab 21780c0d06caSMauro Carvalho Chehab if (dev->progressive) 21790c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_NONE; 21800c0d06caSMauro Carvalho Chehab else 21810c0d06caSMauro Carvalho Chehab field = V4L2_FIELD_INTERLACED; 21820c0d06caSMauro Carvalho Chehab 21830c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, 21840c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 21850c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VIDEO_CAPTURE, field, 21860c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 21870c0d06caSMauro Carvalho Chehab 21880c0d06caSMauro Carvalho Chehab videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops, 21890c0d06caSMauro Carvalho Chehab NULL, &dev->slock, 21900c0d06caSMauro Carvalho Chehab V4L2_BUF_TYPE_VBI_CAPTURE, 21910c0d06caSMauro Carvalho Chehab V4L2_FIELD_SEQ_TB, 21920c0d06caSMauro Carvalho Chehab sizeof(struct em28xx_buffer), fh, &dev->lock); 21930c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 21940c0d06caSMauro Carvalho Chehab 21950c0d06caSMauro Carvalho Chehab return errCode; 21960c0d06caSMauro Carvalho Chehab } 21970c0d06caSMauro Carvalho Chehab 21980c0d06caSMauro Carvalho Chehab /* 21990c0d06caSMauro Carvalho Chehab * em28xx_realease_resources() 22000c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 22010c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 22020c0d06caSMauro Carvalho Chehab */ 22030c0d06caSMauro Carvalho Chehab void em28xx_release_analog_resources(struct em28xx *dev) 22040c0d06caSMauro Carvalho Chehab { 22050c0d06caSMauro Carvalho Chehab 22060c0d06caSMauro Carvalho Chehab /*FIXME: I2C IR should be disconnected */ 22070c0d06caSMauro Carvalho Chehab 22080c0d06caSMauro Carvalho Chehab if (dev->radio_dev) { 22090c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->radio_dev)) 22100c0d06caSMauro Carvalho Chehab video_unregister_device(dev->radio_dev); 22110c0d06caSMauro Carvalho Chehab else 22120c0d06caSMauro Carvalho Chehab video_device_release(dev->radio_dev); 22130c0d06caSMauro Carvalho Chehab dev->radio_dev = NULL; 22140c0d06caSMauro Carvalho Chehab } 22150c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) { 22160c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 22170c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 22180c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vbi_dev)) 22190c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vbi_dev); 22200c0d06caSMauro Carvalho Chehab else 22210c0d06caSMauro Carvalho Chehab video_device_release(dev->vbi_dev); 22220c0d06caSMauro Carvalho Chehab dev->vbi_dev = NULL; 22230c0d06caSMauro Carvalho Chehab } 22240c0d06caSMauro Carvalho Chehab if (dev->vdev) { 22250c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 22260c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 22270c0d06caSMauro Carvalho Chehab if (video_is_registered(dev->vdev)) 22280c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vdev); 22290c0d06caSMauro Carvalho Chehab else 22300c0d06caSMauro Carvalho Chehab video_device_release(dev->vdev); 22310c0d06caSMauro Carvalho Chehab dev->vdev = NULL; 22320c0d06caSMauro Carvalho Chehab } 22330c0d06caSMauro Carvalho Chehab } 22340c0d06caSMauro Carvalho Chehab 22350c0d06caSMauro Carvalho Chehab /* 22360c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 22370c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 22380c0d06caSMauro Carvalho Chehab * calls and ioctls 22390c0d06caSMauro Carvalho Chehab */ 22400c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 22410c0d06caSMauro Carvalho Chehab { 22420c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 22430c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 22440c0d06caSMauro Carvalho Chehab int errCode; 22450c0d06caSMauro Carvalho Chehab 22460c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 22470c0d06caSMauro Carvalho Chehab 22480c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 22490c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { 22500c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vidq); 22510c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VIDEO); 22520c0d06caSMauro Carvalho Chehab } 22530c0d06caSMauro Carvalho Chehab 22540c0d06caSMauro Carvalho Chehab if (res_check(fh, EM28XX_RESOURCE_VBI)) { 22550c0d06caSMauro Carvalho Chehab videobuf_stop(&fh->vb_vbiq); 22560c0d06caSMauro Carvalho Chehab res_free(fh, EM28XX_RESOURCE_VBI); 22570c0d06caSMauro Carvalho Chehab } 22580c0d06caSMauro Carvalho Chehab 22590c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 22600c0d06caSMauro Carvalho Chehab /* the device is already disconnect, 22610c0d06caSMauro Carvalho Chehab free the remaining resources */ 22620c0d06caSMauro Carvalho Chehab if (dev->state & DEV_DISCONNECTED) { 22630c0d06caSMauro Carvalho Chehab em28xx_release_resources(dev); 22640c0d06caSMauro Carvalho Chehab kfree(dev->alt_max_pkt_size); 2265e36c92fdSDan Carpenter mutex_unlock(&dev->lock); 22660c0d06caSMauro Carvalho Chehab kfree(dev); 22670c0d06caSMauro Carvalho Chehab kfree(fh); 22680c0d06caSMauro Carvalho Chehab return 0; 22690c0d06caSMauro Carvalho Chehab } 22700c0d06caSMauro Carvalho Chehab 22710c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 22720c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); 22730c0d06caSMauro Carvalho Chehab 22740c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 22750c0d06caSMauro Carvalho Chehab em28xx_uninit_isoc(dev, EM28XX_ANALOG_MODE); 22760c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 22770c0d06caSMauro Carvalho Chehab 22780c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 22790c0d06caSMauro Carvalho Chehab dev->alt = 0; 22800c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 22810c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 22820c0d06caSMauro Carvalho Chehab if (errCode < 0) { 22830c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 22840c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 22850c0d06caSMauro Carvalho Chehab } 22860c0d06caSMauro Carvalho Chehab } 22870c0d06caSMauro Carvalho Chehab 22880c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vidq); 22890c0d06caSMauro Carvalho Chehab videobuf_mmap_free(&fh->vb_vbiq); 22900c0d06caSMauro Carvalho Chehab kfree(fh); 22910c0d06caSMauro Carvalho Chehab dev->users--; 22920c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 22930c0d06caSMauro Carvalho Chehab return 0; 22940c0d06caSMauro Carvalho Chehab } 22950c0d06caSMauro Carvalho Chehab 22960c0d06caSMauro Carvalho Chehab /* 22970c0d06caSMauro Carvalho Chehab * em28xx_v4l2_read() 22980c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 22990c0d06caSMauro Carvalho Chehab */ 23000c0d06caSMauro Carvalho Chehab static ssize_t 23010c0d06caSMauro Carvalho Chehab em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, 23020c0d06caSMauro Carvalho Chehab loff_t *pos) 23030c0d06caSMauro Carvalho Chehab { 23040c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23050c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23060c0d06caSMauro Carvalho Chehab int rc; 23070c0d06caSMauro Carvalho Chehab 23080c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23090c0d06caSMauro Carvalho Chehab if (rc < 0) 23100c0d06caSMauro Carvalho Chehab return rc; 23110c0d06caSMauro Carvalho Chehab 23120c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 23130c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 23140c0d06caSMauro Carvalho Chehab /* FIXME: read() is not prepared to allow changing the video 23150c0d06caSMauro Carvalho Chehab resolution while streaming. Seems a bug at em28xx_set_fmt 23160c0d06caSMauro Carvalho Chehab */ 23170c0d06caSMauro Carvalho Chehab 23180c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 23190c0d06caSMauro Carvalho Chehab if (res_locked(dev, EM28XX_RESOURCE_VIDEO)) 23200c0d06caSMauro Carvalho Chehab rc = -EBUSY; 23210c0d06caSMauro Carvalho Chehab else 23220c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, 23230c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 23240c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 23250c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 23260c0d06caSMauro Carvalho Chehab rc = -EBUSY; 23270c0d06caSMauro Carvalho Chehab else 23280c0d06caSMauro Carvalho Chehab rc = videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, 23290c0d06caSMauro Carvalho Chehab filp->f_flags & O_NONBLOCK); 23300c0d06caSMauro Carvalho Chehab } 23310c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23320c0d06caSMauro Carvalho Chehab 23330c0d06caSMauro Carvalho Chehab return rc; 23340c0d06caSMauro Carvalho Chehab } 23350c0d06caSMauro Carvalho Chehab 23360c0d06caSMauro Carvalho Chehab /* 23370c0d06caSMauro Carvalho Chehab * em28xx_poll() 23380c0d06caSMauro Carvalho Chehab * will allocate buffers when called for the first time 23390c0d06caSMauro Carvalho Chehab */ 23400c0d06caSMauro Carvalho Chehab static unsigned int em28xx_poll(struct file *filp, poll_table *wait) 23410c0d06caSMauro Carvalho Chehab { 23420c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23430c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23440c0d06caSMauro Carvalho Chehab int rc; 23450c0d06caSMauro Carvalho Chehab 23460c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23470c0d06caSMauro Carvalho Chehab if (rc < 0) 23480c0d06caSMauro Carvalho Chehab return rc; 23490c0d06caSMauro Carvalho Chehab 23500c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 23510c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VIDEO)) 23520c0d06caSMauro Carvalho Chehab return POLLERR; 23530c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vidq, wait); 23540c0d06caSMauro Carvalho Chehab } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { 23550c0d06caSMauro Carvalho Chehab if (!res_get(fh, EM28XX_RESOURCE_VBI)) 23560c0d06caSMauro Carvalho Chehab return POLLERR; 23570c0d06caSMauro Carvalho Chehab return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); 23580c0d06caSMauro Carvalho Chehab } else { 23590c0d06caSMauro Carvalho Chehab return POLLERR; 23600c0d06caSMauro Carvalho Chehab } 23610c0d06caSMauro Carvalho Chehab } 23620c0d06caSMauro Carvalho Chehab 23630c0d06caSMauro Carvalho Chehab static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) 23640c0d06caSMauro Carvalho Chehab { 23650c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23660c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23670c0d06caSMauro Carvalho Chehab unsigned int res; 23680c0d06caSMauro Carvalho Chehab 23690c0d06caSMauro Carvalho Chehab mutex_lock(&dev->lock); 23700c0d06caSMauro Carvalho Chehab res = em28xx_poll(filp, wait); 23710c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23720c0d06caSMauro Carvalho Chehab return res; 23730c0d06caSMauro Carvalho Chehab } 23740c0d06caSMauro Carvalho Chehab 23750c0d06caSMauro Carvalho Chehab /* 23760c0d06caSMauro Carvalho Chehab * em28xx_v4l2_mmap() 23770c0d06caSMauro Carvalho Chehab */ 23780c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) 23790c0d06caSMauro Carvalho Chehab { 23800c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 23810c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 23820c0d06caSMauro Carvalho Chehab int rc; 23830c0d06caSMauro Carvalho Chehab 23840c0d06caSMauro Carvalho Chehab rc = check_dev(dev); 23850c0d06caSMauro Carvalho Chehab if (rc < 0) 23860c0d06caSMauro Carvalho Chehab return rc; 23870c0d06caSMauro Carvalho Chehab 23880c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 23890c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 23900c0d06caSMauro Carvalho Chehab if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) 23910c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); 23920c0d06caSMauro Carvalho Chehab else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) 23930c0d06caSMauro Carvalho Chehab rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); 23940c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 23950c0d06caSMauro Carvalho Chehab 23960c0d06caSMauro Carvalho Chehab em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", 23970c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_start, 23980c0d06caSMauro Carvalho Chehab (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, 23990c0d06caSMauro Carvalho Chehab rc); 24000c0d06caSMauro Carvalho Chehab 24010c0d06caSMauro Carvalho Chehab return rc; 24020c0d06caSMauro Carvalho Chehab } 24030c0d06caSMauro Carvalho Chehab 24040c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 24050c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 24060c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 24070c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 24080c0d06caSMauro Carvalho Chehab .read = em28xx_v4l2_read, 24090c0d06caSMauro Carvalho Chehab .poll = em28xx_v4l2_poll, 24100c0d06caSMauro Carvalho Chehab .mmap = em28xx_v4l2_mmap, 24110c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 24120c0d06caSMauro Carvalho Chehab }; 24130c0d06caSMauro Carvalho Chehab 24140c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 24150c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 24160c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 24170c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 24180c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 24190c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 24200c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 24210c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 24220c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 24230c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 24240c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 24250c0d06caSMauro Carvalho Chehab .vidioc_cropcap = vidioc_cropcap, 24260c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, 24270c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 24280c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, 24290c0d06caSMauro Carvalho Chehab 24300c0d06caSMauro Carvalho Chehab .vidioc_reqbufs = vidioc_reqbufs, 24310c0d06caSMauro Carvalho Chehab .vidioc_querybuf = vidioc_querybuf, 24320c0d06caSMauro Carvalho Chehab .vidioc_qbuf = vidioc_qbuf, 24330c0d06caSMauro Carvalho Chehab .vidioc_dqbuf = vidioc_dqbuf, 24340c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 24350c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 24360c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 24370c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 24380c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 24390c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 24400c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 24410c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 24420c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = vidioc_queryctrl, 24430c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 24440c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 24450c0d06caSMauro Carvalho Chehab .vidioc_streamon = vidioc_streamon, 24460c0d06caSMauro Carvalho Chehab .vidioc_streamoff = vidioc_streamoff, 24470c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 24480c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 24490c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 24500c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 24510c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 24520c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 24530c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 24540c0d06caSMauro Carvalho Chehab .vidioc_g_chip_ident = vidioc_g_chip_ident, 24550c0d06caSMauro Carvalho Chehab #endif 24560c0d06caSMauro Carvalho Chehab }; 24570c0d06caSMauro Carvalho Chehab 24580c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 24590c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 24600c0d06caSMauro Carvalho Chehab .release = video_device_release, 24610c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 24620c0d06caSMauro Carvalho Chehab 24630c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 24640c0d06caSMauro Carvalho Chehab .current_norm = V4L2_STD_PAL, 24650c0d06caSMauro Carvalho Chehab }; 24660c0d06caSMauro Carvalho Chehab 24670c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 24680c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 24690c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 24700c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 24710c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 24720c0d06caSMauro Carvalho Chehab }; 24730c0d06caSMauro Carvalho Chehab 24740c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 24750c0d06caSMauro Carvalho Chehab .vidioc_querycap = radio_querycap, 24760c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 24770c0d06caSMauro Carvalho Chehab .vidioc_enum_input = radio_enum_input, 24780c0d06caSMauro Carvalho Chehab .vidioc_g_audio = radio_g_audio, 24790c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 24800c0d06caSMauro Carvalho Chehab .vidioc_s_audio = radio_s_audio, 24810c0d06caSMauro Carvalho Chehab .vidioc_s_input = radio_s_input, 24820c0d06caSMauro Carvalho Chehab .vidioc_queryctrl = radio_queryctrl, 24830c0d06caSMauro Carvalho Chehab .vidioc_g_ctrl = vidioc_g_ctrl, 24840c0d06caSMauro Carvalho Chehab .vidioc_s_ctrl = vidioc_s_ctrl, 24850c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 24860c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 24870c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 24880c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 24890c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 24900c0d06caSMauro Carvalho Chehab #endif 24910c0d06caSMauro Carvalho Chehab }; 24920c0d06caSMauro Carvalho Chehab 24930c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 24940c0d06caSMauro Carvalho Chehab .name = "em28xx-radio", 24950c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 24960c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 24970c0d06caSMauro Carvalho Chehab }; 24980c0d06caSMauro Carvalho Chehab 24990c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 25000c0d06caSMauro Carvalho Chehab 25010c0d06caSMauro Carvalho Chehab 25020c0d06caSMauro Carvalho Chehab 25030c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 25040c0d06caSMauro Carvalho Chehab const struct video_device *template, 25050c0d06caSMauro Carvalho Chehab const char *type_name) 25060c0d06caSMauro Carvalho Chehab { 25070c0d06caSMauro Carvalho Chehab struct video_device *vfd; 25080c0d06caSMauro Carvalho Chehab 25090c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 25100c0d06caSMauro Carvalho Chehab if (NULL == vfd) 25110c0d06caSMauro Carvalho Chehab return NULL; 25120c0d06caSMauro Carvalho Chehab 25130c0d06caSMauro Carvalho Chehab *vfd = *template; 25140c0d06caSMauro Carvalho Chehab vfd->v4l2_dev = &dev->v4l2_dev; 25150c0d06caSMauro Carvalho Chehab vfd->release = video_device_release; 25160c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 25170c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 25180c0d06caSMauro Carvalho Chehab 25190c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 25200c0d06caSMauro Carvalho Chehab dev->name, type_name); 25210c0d06caSMauro Carvalho Chehab 25220c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 25230c0d06caSMauro Carvalho Chehab return vfd; 25240c0d06caSMauro Carvalho Chehab } 25250c0d06caSMauro Carvalho Chehab 25260c0d06caSMauro Carvalho Chehab int em28xx_register_analog_devices(struct em28xx *dev) 25270c0d06caSMauro Carvalho Chehab { 25280c0d06caSMauro Carvalho Chehab u8 val; 25290c0d06caSMauro Carvalho Chehab int ret; 25300c0d06caSMauro Carvalho Chehab unsigned int maxw; 25310c0d06caSMauro Carvalho Chehab 25320c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s: v4l2 driver version %s\n", 25330c0d06caSMauro Carvalho Chehab dev->name, EM28XX_VERSION); 25340c0d06caSMauro Carvalho Chehab 25350c0d06caSMauro Carvalho Chehab /* set default norm */ 25360c0d06caSMauro Carvalho Chehab dev->norm = em28xx_video_template.current_norm; 25370c0d06caSMauro Carvalho Chehab v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); 25380c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 25390c0d06caSMauro Carvalho Chehab 25400c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 25410c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 25420c0d06caSMauro Carvalho Chehab 25430c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 25440c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 25450c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 25460c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 25470c0d06caSMauro Carvalho Chehab maxw /= 2; 25480c0d06caSMauro Carvalho Chehab 25490c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 25500c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 25510c0d06caSMauro Carvalho Chehab 25520c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 25530c0d06caSMauro Carvalho Chehab 25540c0d06caSMauro Carvalho Chehab /* Audio defaults */ 25550c0d06caSMauro Carvalho Chehab dev->mute = 1; 25560c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 25570c0d06caSMauro Carvalho Chehab 25580c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 25590c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 25600c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 25610c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 25620c0d06caSMauro Carvalho Chehab 25630c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 25640c0d06caSMauro Carvalho Chehab em28xx_colorlevels_set_default(dev); 25650c0d06caSMauro Carvalho Chehab em28xx_compression_disable(dev); 25660c0d06caSMauro Carvalho Chehab 25670c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 25680c0d06caSMauro Carvalho Chehab dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 25690c0d06caSMauro Carvalho Chehab if (!dev->vdev) { 25700c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 25710c0d06caSMauro Carvalho Chehab return -ENODEV; 25720c0d06caSMauro Carvalho Chehab } 25730c0d06caSMauro Carvalho Chehab 25740c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 25750c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, 25760c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25770c0d06caSMauro Carvalho Chehab if (ret) { 25780c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25790c0d06caSMauro Carvalho Chehab ret); 25800c0d06caSMauro Carvalho Chehab return ret; 25810c0d06caSMauro Carvalho Chehab } 25820c0d06caSMauro Carvalho Chehab 25830c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25840c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 25850c0d06caSMauro Carvalho Chehab dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 25860c0d06caSMauro Carvalho Chehab "vbi"); 25870c0d06caSMauro Carvalho Chehab 25880c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 25890c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 25900c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25910c0d06caSMauro Carvalho Chehab if (ret < 0) { 25920c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 25930c0d06caSMauro Carvalho Chehab return ret; 25940c0d06caSMauro Carvalho Chehab } 25950c0d06caSMauro Carvalho Chehab } 25960c0d06caSMauro Carvalho Chehab 25970c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 25980c0d06caSMauro Carvalho Chehab dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 25990c0d06caSMauro Carvalho Chehab "radio"); 26000c0d06caSMauro Carvalho Chehab if (!dev->radio_dev) { 26010c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 26020c0d06caSMauro Carvalho Chehab return -ENODEV; 26030c0d06caSMauro Carvalho Chehab } 26040c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, 26050c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 26060c0d06caSMauro Carvalho Chehab if (ret < 0) { 26070c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 26080c0d06caSMauro Carvalho Chehab return ret; 26090c0d06caSMauro Carvalho Chehab } 26100c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 26110c0d06caSMauro Carvalho Chehab video_device_node_name(dev->radio_dev)); 26120c0d06caSMauro Carvalho Chehab } 26130c0d06caSMauro Carvalho Chehab 26140c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 26150c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 26160c0d06caSMauro Carvalho Chehab 26170c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 26180c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 26190c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 26200c0d06caSMauro Carvalho Chehab 26210c0d06caSMauro Carvalho Chehab return 0; 26220c0d06caSMauro Carvalho Chehab } 2623