10c0d06caSMauro Carvalho Chehab /* 20c0d06caSMauro Carvalho Chehab em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB 30c0d06caSMauro Carvalho Chehab video capture devices 40c0d06caSMauro Carvalho Chehab 50c0d06caSMauro Carvalho Chehab Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> 60c0d06caSMauro Carvalho Chehab Markus Rechberger <mrechberger@gmail.com> 70c0d06caSMauro Carvalho Chehab Mauro Carvalho Chehab <mchehab@infradead.org> 80c0d06caSMauro Carvalho Chehab Sascha Sommer <saschasommer@freenet.de> 90fa4a402SFrank Schaefer Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 100c0d06caSMauro Carvalho Chehab 110c0d06caSMauro Carvalho Chehab Some parts based on SN9C10x PC Camera Controllers GPL driver made 120c0d06caSMauro Carvalho Chehab by Luca Risolia <luca.risolia@studio.unibo.it> 130c0d06caSMauro Carvalho Chehab 140c0d06caSMauro Carvalho Chehab This program is free software; you can redistribute it and/or modify 150c0d06caSMauro Carvalho Chehab it under the terms of the GNU General Public License as published by 160c0d06caSMauro Carvalho Chehab the Free Software Foundation; either version 2 of the License, or 170c0d06caSMauro Carvalho Chehab (at your option) any later version. 180c0d06caSMauro Carvalho Chehab 190c0d06caSMauro Carvalho Chehab This program is distributed in the hope that it will be useful, 200c0d06caSMauro Carvalho Chehab but WITHOUT ANY WARRANTY; without even the implied warranty of 210c0d06caSMauro Carvalho Chehab MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 220c0d06caSMauro Carvalho Chehab GNU General Public License for more details. 230c0d06caSMauro Carvalho Chehab 240c0d06caSMauro Carvalho Chehab You should have received a copy of the GNU General Public License 250c0d06caSMauro Carvalho Chehab along with this program; if not, write to the Free Software 260c0d06caSMauro Carvalho Chehab Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 270c0d06caSMauro Carvalho Chehab */ 280c0d06caSMauro Carvalho Chehab 290c0d06caSMauro Carvalho Chehab #include <linux/init.h> 300c0d06caSMauro Carvalho Chehab #include <linux/list.h> 310c0d06caSMauro Carvalho Chehab #include <linux/module.h> 320c0d06caSMauro Carvalho Chehab #include <linux/kernel.h> 330c0d06caSMauro Carvalho Chehab #include <linux/bitmap.h> 340c0d06caSMauro Carvalho Chehab #include <linux/usb.h> 350c0d06caSMauro Carvalho Chehab #include <linux/i2c.h> 360c0d06caSMauro Carvalho Chehab #include <linux/mm.h> 370c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 380c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 390c0d06caSMauro Carvalho Chehab 400c0d06caSMauro Carvalho Chehab #include "em28xx.h" 4101c28193SMauro Carvalho Chehab #include "em28xx-v4l.h" 420c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 430c0d06caSMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 4450fdf40fSHans Verkuil #include <media/v4l2-event.h> 4525dd1652SFrank Schaefer #include <media/v4l2-clk.h> 460c0d06caSMauro Carvalho Chehab #include <media/msp3400.h> 470c0d06caSMauro Carvalho Chehab #include <media/tuner.h> 480c0d06caSMauro Carvalho Chehab 490c0d06caSMauro Carvalho Chehab #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ 500c0d06caSMauro Carvalho Chehab "Markus Rechberger <mrechberger@gmail.com>, " \ 510c0d06caSMauro Carvalho Chehab "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ 520c0d06caSMauro Carvalho Chehab "Sascha Sommer <saschasommer@freenet.de>" 530c0d06caSMauro Carvalho Chehab 540560f337SMauro Carvalho Chehab static unsigned int isoc_debug; 550560f337SMauro Carvalho Chehab module_param(isoc_debug, int, 0644); 560560f337SMauro Carvalho Chehab MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 570560f337SMauro Carvalho Chehab 580560f337SMauro Carvalho Chehab static unsigned int disable_vbi; 590560f337SMauro Carvalho Chehab module_param(disable_vbi, int, 0644); 600560f337SMauro Carvalho Chehab MODULE_PARM_DESC(disable_vbi, "disable vbi support"); 610560f337SMauro Carvalho Chehab 620560f337SMauro Carvalho Chehab static int alt; 630560f337SMauro Carvalho Chehab module_param(alt, int, 0644); 640560f337SMauro Carvalho Chehab MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); 650560f337SMauro Carvalho Chehab 660c0d06caSMauro Carvalho Chehab #define em28xx_videodbg(fmt, arg...) do {\ 670c0d06caSMauro Carvalho Chehab if (video_debug) \ 680c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 690c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); } while (0) 700c0d06caSMauro Carvalho Chehab 710c0d06caSMauro Carvalho Chehab #define em28xx_isocdbg(fmt, arg...) \ 720c0d06caSMauro Carvalho Chehab do {\ 730c0d06caSMauro Carvalho Chehab if (isoc_debug) { \ 740c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 750c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); \ 760c0d06caSMauro Carvalho Chehab } \ 770c0d06caSMauro Carvalho Chehab } while (0) 780c0d06caSMauro Carvalho Chehab 790c0d06caSMauro Carvalho Chehab MODULE_AUTHOR(DRIVER_AUTHOR); 80d8992b09SMauro Carvalho Chehab MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface"); 810c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 820c0d06caSMauro Carvalho Chehab MODULE_VERSION(EM28XX_VERSION); 830c0d06caSMauro Carvalho Chehab 84e507e0e5SFrank Schaefer 85e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE1 0x02 86e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE 0x20 87e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_END 0x02 88e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_ID 0x01 89e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_MASK (EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE | \ 90e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END | \ 91e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID) 92e507e0e5SFrank Schaefer 93e507e0e5SFrank Schaefer 94d3829fadSDevin Heitmueller static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 95d3829fadSDevin Heitmueller static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 96d3829fadSDevin Heitmueller static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 970c0d06caSMauro Carvalho Chehab 980c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 990c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 1000c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 1010c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 1020c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 1030c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 1040c0d06caSMauro Carvalho Chehab 1050c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 1060c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 1070c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 1080c0d06caSMauro Carvalho Chehab 1090c0d06caSMauro Carvalho Chehab /* supported video standards */ 1100c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 1110c0d06caSMauro Carvalho Chehab { 1120c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 1130c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 1140c0d06caSMauro Carvalho Chehab .depth = 16, 1150c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 1160c0d06caSMauro Carvalho Chehab }, { 1170c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1180c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1190c0d06caSMauro Carvalho Chehab .depth = 16, 1200c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1210c0d06caSMauro Carvalho Chehab }, { 1220c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1230c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1240c0d06caSMauro Carvalho Chehab .depth = 8, 1250c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1260c0d06caSMauro Carvalho Chehab }, { 1270c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1280c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1290c0d06caSMauro Carvalho Chehab .depth = 8, 1300c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1310c0d06caSMauro Carvalho Chehab }, { 1320c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1330c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1340c0d06caSMauro Carvalho Chehab .depth = 8, 1350c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1360c0d06caSMauro Carvalho Chehab }, { 1370c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1380c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1390c0d06caSMauro Carvalho Chehab .depth = 12, 1400c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1410c0d06caSMauro Carvalho Chehab }, 1420c0d06caSMauro Carvalho Chehab }; 1430c0d06caSMauro Carvalho Chehab 14425c61e4cSFrank Schaefer /*FIXME: maxw should be dependent of alt mode */ 14525c61e4cSFrank Schaefer static inline unsigned int norm_maxw(struct em28xx *dev) 14625c61e4cSFrank Schaefer { 14725c61e4cSFrank Schaefer if (dev->board.is_webcam) 14825c61e4cSFrank Schaefer return dev->sensor_xres; 14925c61e4cSFrank Schaefer 15025c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 15125c61e4cSFrank Schaefer return 640; 15225c61e4cSFrank Schaefer 15325c61e4cSFrank Schaefer return 720; 15425c61e4cSFrank Schaefer } 15525c61e4cSFrank Schaefer 15625c61e4cSFrank Schaefer static inline unsigned int norm_maxh(struct em28xx *dev) 15725c61e4cSFrank Schaefer { 15825c61e4cSFrank Schaefer if (dev->board.is_webcam) 15925c61e4cSFrank Schaefer return dev->sensor_yres; 16025c61e4cSFrank Schaefer 16125c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 16225c61e4cSFrank Schaefer return 480; 16325c61e4cSFrank Schaefer 16425c61e4cSFrank Schaefer return (dev->norm & V4L2_STD_625_50) ? 576 : 480; 16525c61e4cSFrank Schaefer } 16625c61e4cSFrank Schaefer 16701c28193SMauro Carvalho Chehab static int em28xx_vbi_supported(struct em28xx *dev) 1680560f337SMauro Carvalho Chehab { 1690560f337SMauro Carvalho Chehab /* Modprobe option to manually disable */ 1700560f337SMauro Carvalho Chehab if (disable_vbi == 1) 1710560f337SMauro Carvalho Chehab return 0; 1720560f337SMauro Carvalho Chehab 1730560f337SMauro Carvalho Chehab if (dev->board.is_webcam) 1740560f337SMauro Carvalho Chehab return 0; 1750560f337SMauro Carvalho Chehab 1760560f337SMauro Carvalho Chehab /* FIXME: check subdevices for VBI support */ 1770560f337SMauro Carvalho Chehab 1780560f337SMauro Carvalho Chehab if (dev->chip_id == CHIP_ID_EM2860 || 1790560f337SMauro Carvalho Chehab dev->chip_id == CHIP_ID_EM2883) 1800560f337SMauro Carvalho Chehab return 1; 1810560f337SMauro Carvalho Chehab 1820560f337SMauro Carvalho Chehab /* Version of em28xx that does not support VBI */ 1830560f337SMauro Carvalho Chehab return 0; 1840560f337SMauro Carvalho Chehab } 1850560f337SMauro Carvalho Chehab 1860560f337SMauro Carvalho Chehab /* 1870560f337SMauro Carvalho Chehab * em28xx_wake_i2c() 1880560f337SMauro Carvalho Chehab * configure i2c attached devices 1890560f337SMauro Carvalho Chehab */ 19001c28193SMauro Carvalho Chehab static void em28xx_wake_i2c(struct em28xx *dev) 1910560f337SMauro Carvalho Chehab { 19295d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 19395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, core, reset, 0); 19495d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 1950560f337SMauro Carvalho Chehab INPUT(dev->ctl_input)->vmux, 0, 0); 19695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_stream, 0); 1970560f337SMauro Carvalho Chehab } 1980560f337SMauro Carvalho Chehab 19901c28193SMauro Carvalho Chehab static int em28xx_colorlevels_set_default(struct em28xx *dev) 2000560f337SMauro Carvalho Chehab { 2010560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); 2020560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); 2030560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); 2040560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); 2050560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); 2060560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); 2070560f337SMauro Carvalho Chehab 2080560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); 2090560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); 2100560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); 2110560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); 2120560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); 2130560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); 2140560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); 2150560f337SMauro Carvalho Chehab } 2160560f337SMauro Carvalho Chehab 21701c28193SMauro Carvalho Chehab static int em28xx_set_outfmt(struct em28xx *dev) 2180560f337SMauro Carvalho Chehab { 2190560f337SMauro Carvalho Chehab int ret; 2200560f337SMauro Carvalho Chehab u8 fmt, vinctrl; 2210560f337SMauro Carvalho Chehab 2220560f337SMauro Carvalho Chehab fmt = dev->format->reg; 2230560f337SMauro Carvalho Chehab if (!dev->is_em25xx) 2240560f337SMauro Carvalho Chehab fmt |= 0x20; 2250560f337SMauro Carvalho Chehab /* 2260560f337SMauro Carvalho Chehab * NOTE: it's not clear if this is really needed ! 2270560f337SMauro Carvalho Chehab * The datasheets say bit 5 is a reserved bit and devices seem to work 2280560f337SMauro Carvalho Chehab * fine without it. But the Windows driver sets it for em2710/50+em28xx 2290560f337SMauro Carvalho Chehab * devices and we've always been setting it, too. 2300560f337SMauro Carvalho Chehab * 2310560f337SMauro Carvalho Chehab * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, 2320560f337SMauro Carvalho Chehab * it's likely used for an additional (compressed ?) format there. 2330560f337SMauro Carvalho Chehab */ 2340560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); 2350560f337SMauro Carvalho Chehab if (ret < 0) 2360560f337SMauro Carvalho Chehab return ret; 2370560f337SMauro Carvalho Chehab 2380560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, dev->vinmode); 2390560f337SMauro Carvalho Chehab if (ret < 0) 2400560f337SMauro Carvalho Chehab return ret; 2410560f337SMauro Carvalho Chehab 2420560f337SMauro Carvalho Chehab vinctrl = dev->vinctl; 2430560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2440560f337SMauro Carvalho Chehab vinctrl |= EM28XX_VINCTRL_VBI_RAW; 2450560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); 2460560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, dev->vbi_width/4); 2470560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, dev->vbi_height); 2480560f337SMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 2490560f337SMauro Carvalho Chehab /* NTSC */ 2500560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); 2510560f337SMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 2520560f337SMauro Carvalho Chehab /* PAL */ 2530560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); 2540560f337SMauro Carvalho Chehab } 2550560f337SMauro Carvalho Chehab } 2560560f337SMauro Carvalho Chehab 2570560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); 2580560f337SMauro Carvalho Chehab } 2590560f337SMauro Carvalho Chehab 2600560f337SMauro Carvalho Chehab static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, 2610560f337SMauro Carvalho Chehab u8 ymin, u8 ymax) 2620560f337SMauro Carvalho Chehab { 2630560f337SMauro Carvalho Chehab em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", 2640560f337SMauro Carvalho Chehab xmin, ymin, xmax, ymax); 2650560f337SMauro Carvalho Chehab 2660560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); 2670560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); 2680560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); 2690560f337SMauro Carvalho Chehab return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); 2700560f337SMauro Carvalho Chehab } 2710560f337SMauro Carvalho Chehab 2720560f337SMauro Carvalho Chehab static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, 2730560f337SMauro Carvalho Chehab u16 width, u16 height) 2740560f337SMauro Carvalho Chehab { 2750560f337SMauro Carvalho Chehab u8 cwidth = width >> 2; 2760560f337SMauro Carvalho Chehab u8 cheight = height >> 2; 2770560f337SMauro Carvalho Chehab u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); 2780560f337SMauro Carvalho Chehab /* NOTE: size limit: 2047x1023 = 2MPix */ 2790560f337SMauro Carvalho Chehab 2800560f337SMauro Carvalho Chehab em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", 2810560f337SMauro Carvalho Chehab hstart, vstart, 2820560f337SMauro Carvalho Chehab ((overflow & 2) << 9 | cwidth << 2), 2830560f337SMauro Carvalho Chehab ((overflow & 1) << 10 | cheight << 2)); 2840560f337SMauro Carvalho Chehab 2850560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); 2860560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); 2870560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); 2880560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); 2890560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); 2900560f337SMauro Carvalho Chehab 2910560f337SMauro Carvalho Chehab /* FIXME: function/meaning of these registers ? */ 2920560f337SMauro Carvalho Chehab /* FIXME: align width+height to multiples of 4 ?! */ 2930560f337SMauro Carvalho Chehab if (dev->is_em25xx) { 2940560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x34, width >> 4); 2950560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x35, height >> 4); 2960560f337SMauro Carvalho Chehab } 2970560f337SMauro Carvalho Chehab } 2980560f337SMauro Carvalho Chehab 2990560f337SMauro Carvalho Chehab static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) 3000560f337SMauro Carvalho Chehab { 301cba8e9b3SFrank Schaefer u8 mode = 0x00; 3020560f337SMauro Carvalho Chehab /* the em2800 scaler only supports scaling down to 50% */ 3030560f337SMauro Carvalho Chehab 3040560f337SMauro Carvalho Chehab if (dev->board.is_em2800) { 3050560f337SMauro Carvalho Chehab mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); 3060560f337SMauro Carvalho Chehab } else { 3070560f337SMauro Carvalho Chehab u8 buf[2]; 3080560f337SMauro Carvalho Chehab 3090560f337SMauro Carvalho Chehab buf[0] = h; 3100560f337SMauro Carvalho Chehab buf[1] = h >> 8; 3110560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); 3120560f337SMauro Carvalho Chehab 3130560f337SMauro Carvalho Chehab buf[0] = v; 3140560f337SMauro Carvalho Chehab buf[1] = v >> 8; 3150560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); 3160560f337SMauro Carvalho Chehab /* it seems that both H and V scalers must be active 3170560f337SMauro Carvalho Chehab to work correctly */ 3180560f337SMauro Carvalho Chehab mode = (h || v) ? 0x30 : 0x00; 3190560f337SMauro Carvalho Chehab } 320cba8e9b3SFrank Schaefer return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); 3210560f337SMauro Carvalho Chehab } 3220560f337SMauro Carvalho Chehab 3230560f337SMauro Carvalho Chehab /* FIXME: this only function read values from dev */ 32401c28193SMauro Carvalho Chehab static int em28xx_resolution_set(struct em28xx *dev) 3250560f337SMauro Carvalho Chehab { 3260560f337SMauro Carvalho Chehab int width, height; 3270560f337SMauro Carvalho Chehab width = norm_maxw(dev); 3280560f337SMauro Carvalho Chehab height = norm_maxh(dev); 3290560f337SMauro Carvalho Chehab 3300560f337SMauro Carvalho Chehab /* Properly setup VBI */ 3310560f337SMauro Carvalho Chehab dev->vbi_width = 720; 3320560f337SMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) 3330560f337SMauro Carvalho Chehab dev->vbi_height = 12; 3340560f337SMauro Carvalho Chehab else 3350560f337SMauro Carvalho Chehab dev->vbi_height = 18; 3360560f337SMauro Carvalho Chehab 3370560f337SMauro Carvalho Chehab em28xx_set_outfmt(dev); 3380560f337SMauro Carvalho Chehab 3390560f337SMauro Carvalho Chehab em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); 3400560f337SMauro Carvalho Chehab 3410560f337SMauro Carvalho Chehab /* If we don't set the start position to 2 in VBI mode, we end up 3420560f337SMauro Carvalho Chehab with line 20/21 being YUYV encoded instead of being in 8-bit 3430560f337SMauro Carvalho Chehab greyscale. The core of the issue is that line 21 (and line 23 for 3440560f337SMauro Carvalho Chehab PAL WSS) are inside of active video region, and as a result they 3450560f337SMauro Carvalho Chehab get the pixelformatting associated with that area. So by cropping 3460560f337SMauro Carvalho Chehab it out, we end up with the same format as the rest of the VBI 3470560f337SMauro Carvalho Chehab region */ 3480560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 3490560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 2, width, height); 3500560f337SMauro Carvalho Chehab else 3510560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 0, width, height); 3520560f337SMauro Carvalho Chehab 3530560f337SMauro Carvalho Chehab return em28xx_scaler_set(dev, dev->hscale, dev->vscale); 3540560f337SMauro Carvalho Chehab } 3550560f337SMauro Carvalho Chehab 3560560f337SMauro Carvalho Chehab /* Set USB alternate setting for analog video */ 35701c28193SMauro Carvalho Chehab static int em28xx_set_alternate(struct em28xx *dev) 3580560f337SMauro Carvalho Chehab { 3590560f337SMauro Carvalho Chehab int errCode; 3600560f337SMauro Carvalho Chehab int i; 3610560f337SMauro Carvalho Chehab unsigned int min_pkt_size = dev->width * 2 + 4; 3620560f337SMauro Carvalho Chehab 3630560f337SMauro Carvalho Chehab /* NOTE: for isoc transfers, only alt settings > 0 are allowed 3640560f337SMauro Carvalho Chehab bulk transfers seem to work only with alt=0 ! */ 3650560f337SMauro Carvalho Chehab dev->alt = 0; 3660560f337SMauro Carvalho Chehab if ((alt > 0) && (alt < dev->num_alt)) { 3670560f337SMauro Carvalho Chehab em28xx_videodbg("alternate forced to %d\n", dev->alt); 3680560f337SMauro Carvalho Chehab dev->alt = alt; 3690560f337SMauro Carvalho Chehab goto set_alt; 3700560f337SMauro Carvalho Chehab } 3710560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) 3720560f337SMauro Carvalho Chehab goto set_alt; 3730560f337SMauro Carvalho Chehab 3740560f337SMauro Carvalho Chehab /* When image size is bigger than a certain value, 3750560f337SMauro Carvalho Chehab the frame size should be increased, otherwise, only 3760560f337SMauro Carvalho Chehab green screen will be received. 3770560f337SMauro Carvalho Chehab */ 3780560f337SMauro Carvalho Chehab if (dev->width * 2 * dev->height > 720 * 240 * 2) 3790560f337SMauro Carvalho Chehab min_pkt_size *= 2; 3800560f337SMauro Carvalho Chehab 3810560f337SMauro Carvalho Chehab for (i = 0; i < dev->num_alt; i++) { 3820560f337SMauro Carvalho Chehab /* stop when the selected alt setting offers enough bandwidth */ 3830560f337SMauro Carvalho Chehab if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { 3840560f337SMauro Carvalho Chehab dev->alt = i; 3850560f337SMauro Carvalho Chehab break; 3860560f337SMauro Carvalho Chehab /* otherwise make sure that we end up with the maximum bandwidth 3870560f337SMauro Carvalho Chehab because the min_pkt_size equation might be wrong... 3880560f337SMauro Carvalho Chehab */ 3890560f337SMauro Carvalho Chehab } else if (dev->alt_max_pkt_size_isoc[i] > 3900560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]) 3910560f337SMauro Carvalho Chehab dev->alt = i; 3920560f337SMauro Carvalho Chehab } 3930560f337SMauro Carvalho Chehab 3940560f337SMauro Carvalho Chehab set_alt: 3950560f337SMauro Carvalho Chehab /* NOTE: for bulk transfers, we need to call usb_set_interface() 3960560f337SMauro Carvalho Chehab * even if the previous settings were the same. Otherwise streaming 3970560f337SMauro Carvalho Chehab * fails with all urbs having status = -EOVERFLOW ! */ 3980560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) { 3990560f337SMauro Carvalho Chehab dev->max_pkt_size = 512; /* USB 2.0 spec */ 4000560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; 4010560f337SMauro Carvalho Chehab } else { /* isoc */ 4020560f337SMauro Carvalho Chehab em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", 4030560f337SMauro Carvalho Chehab min_pkt_size, dev->alt); 4040560f337SMauro Carvalho Chehab dev->max_pkt_size = 4050560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]; 4060560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; 4070560f337SMauro Carvalho Chehab } 4080560f337SMauro Carvalho Chehab em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", 4090560f337SMauro Carvalho Chehab dev->alt, dev->max_pkt_size); 410961717b4SFrank Schaefer errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt); 4110560f337SMauro Carvalho Chehab if (errCode < 0) { 4120560f337SMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to %d (error=%i)\n", 4130560f337SMauro Carvalho Chehab dev->alt, errCode); 4140560f337SMauro Carvalho Chehab return errCode; 4150560f337SMauro Carvalho Chehab } 4160560f337SMauro Carvalho Chehab return 0; 4170560f337SMauro Carvalho Chehab } 4180560f337SMauro Carvalho Chehab 4190c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 4200c0d06caSMauro Carvalho Chehab DMA and thread functions 4210c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 4220c0d06caSMauro Carvalho Chehab 4230c0d06caSMauro Carvalho Chehab /* 424948a49aaSFrank Schaefer * Finish the current buffer 4250c0d06caSMauro Carvalho Chehab */ 426948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 4270c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 4280c0d06caSMauro Carvalho Chehab { 429d3829fadSDevin Heitmueller em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); 430d3829fadSDevin Heitmueller 431d3829fadSDevin Heitmueller buf->vb.v4l2_buf.sequence = dev->field_count++; 432d3829fadSDevin Heitmueller buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; 433d3829fadSDevin Heitmueller v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); 434d3829fadSDevin Heitmueller 435d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); 4360c0d06caSMauro Carvalho Chehab } 4370c0d06caSMauro Carvalho Chehab 4380c0d06caSMauro Carvalho Chehab /* 43936016a35SFrank Schaefer * Copy picture data from USB buffer to videobuf buffer 4400c0d06caSMauro Carvalho Chehab */ 4410c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 4420c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 44336016a35SFrank Schaefer unsigned char *usb_buf, 4444078d625SFrank Schaefer unsigned long len) 4450c0d06caSMauro Carvalho Chehab { 4460c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 4470c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 4480c0d06caSMauro Carvalho Chehab int bytesperline = dev->width << 1; 4490c0d06caSMauro Carvalho Chehab 450d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 451d3829fadSDevin Heitmueller len = buf->length - buf->pos; 4520c0d06caSMauro Carvalho Chehab 45336016a35SFrank Schaefer startread = usb_buf; 4540c0d06caSMauro Carvalho Chehab remain = len; 4550c0d06caSMauro Carvalho Chehab 456c02ec71bSFrank Schaefer if (dev->progressive || buf->top_field) 45736016a35SFrank Schaefer fieldstart = buf->vb_buf; 458c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 45936016a35SFrank Schaefer fieldstart = buf->vb_buf + bytesperline; 4600c0d06caSMauro Carvalho Chehab 4618732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 4628732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 4630c0d06caSMauro Carvalho Chehab 4640c0d06caSMauro Carvalho Chehab if (dev->progressive) 4650c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 4660c0d06caSMauro Carvalho Chehab else 4670c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 4680c0d06caSMauro Carvalho Chehab 4690c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 4700c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 4710c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 4720c0d06caSMauro Carvalho Chehab 473d3829fadSDevin Heitmueller if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { 4740c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", 4750c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 476d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 477d3829fadSDevin Heitmueller remain = (char *)buf->vb_buf + buf->length - 47836016a35SFrank Schaefer (char *)startwrite; 4790c0d06caSMauro Carvalho Chehab lencopy = remain; 4800c0d06caSMauro Carvalho Chehab } 4810c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 4820c0d06caSMauro Carvalho Chehab return; 4830c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 4840c0d06caSMauro Carvalho Chehab 4850c0d06caSMauro Carvalho Chehab remain -= lencopy; 4860c0d06caSMauro Carvalho Chehab 4870c0d06caSMauro Carvalho Chehab while (remain > 0) { 488c02ec71bSFrank Schaefer if (dev->progressive) 489c02ec71bSFrank Schaefer startwrite += lencopy; 490c02ec71bSFrank Schaefer else 4910c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 4920c0d06caSMauro Carvalho Chehab startread += lencopy; 4930c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 4940c0d06caSMauro Carvalho Chehab lencopy = remain; 4950c0d06caSMauro Carvalho Chehab else 4960c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 4970c0d06caSMauro Carvalho Chehab 49836016a35SFrank Schaefer if ((char *)startwrite + lencopy > (char *)buf->vb_buf + 499d3829fadSDevin Heitmueller buf->length) { 5000c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end" 5010c0d06caSMauro Carvalho Chehab "(2)\n", 5020c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 503d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 504d3829fadSDevin Heitmueller lencopy = remain = (char *)buf->vb_buf + buf->length - 5050c0d06caSMauro Carvalho Chehab (char *)startwrite; 5060c0d06caSMauro Carvalho Chehab } 5070c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 5080c0d06caSMauro Carvalho Chehab break; 5090c0d06caSMauro Carvalho Chehab 5100c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 5110c0d06caSMauro Carvalho Chehab 5120c0d06caSMauro Carvalho Chehab remain -= lencopy; 5130c0d06caSMauro Carvalho Chehab } 5140c0d06caSMauro Carvalho Chehab 5158732533bSFrank Schaefer buf->pos += len; 5160c0d06caSMauro Carvalho Chehab } 5170c0d06caSMauro Carvalho Chehab 51836016a35SFrank Schaefer /* 51936016a35SFrank Schaefer * Copy VBI data from USB buffer to videobuf buffer 52036016a35SFrank Schaefer */ 5210c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 5220c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 52336016a35SFrank Schaefer unsigned char *usb_buf, 5244078d625SFrank Schaefer unsigned long len) 5250c0d06caSMauro Carvalho Chehab { 52636016a35SFrank Schaefer unsigned int offset; 5270c0d06caSMauro Carvalho Chehab 528d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 529d3829fadSDevin Heitmueller len = buf->length - buf->pos; 5300c0d06caSMauro Carvalho Chehab 5318732533bSFrank Schaefer offset = buf->pos; 5320c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 53336016a35SFrank Schaefer if (buf->top_field == 0) 53436016a35SFrank Schaefer offset += dev->vbi_width * dev->vbi_height; 5350c0d06caSMauro Carvalho Chehab 53636016a35SFrank Schaefer memcpy(buf->vb_buf + offset, usb_buf, len); 5378732533bSFrank Schaefer buf->pos += len; 5380c0d06caSMauro Carvalho Chehab } 5390c0d06caSMauro Carvalho Chehab 5400c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 5410c0d06caSMauro Carvalho Chehab int packet, int status) 5420c0d06caSMauro Carvalho Chehab { 5430c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 5440c0d06caSMauro Carvalho Chehab 5450c0d06caSMauro Carvalho Chehab switch (status) { 5460c0d06caSMauro Carvalho Chehab case -ENOENT: 5470c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 5480c0d06caSMauro Carvalho Chehab break; 5490c0d06caSMauro Carvalho Chehab case -ECONNRESET: 5500c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 5510c0d06caSMauro Carvalho Chehab break; 5520c0d06caSMauro Carvalho Chehab case -ENOSR: 5530c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 5540c0d06caSMauro Carvalho Chehab break; 5550c0d06caSMauro Carvalho Chehab case -EPIPE: 5560c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 5570c0d06caSMauro Carvalho Chehab break; 5580c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 5590c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 5600c0d06caSMauro Carvalho Chehab break; 5610c0d06caSMauro Carvalho Chehab case -EPROTO: 5620c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 5630c0d06caSMauro Carvalho Chehab break; 5640c0d06caSMauro Carvalho Chehab case -EILSEQ: 5650c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 5660c0d06caSMauro Carvalho Chehab break; 5670c0d06caSMauro Carvalho Chehab case -ETIME: 5680c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 5690c0d06caSMauro Carvalho Chehab break; 5700c0d06caSMauro Carvalho Chehab } 5710c0d06caSMauro Carvalho Chehab if (packet < 0) { 5720c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 5730c0d06caSMauro Carvalho Chehab } else { 5740c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 5750c0d06caSMauro Carvalho Chehab packet, status, errmsg); 5760c0d06caSMauro Carvalho Chehab } 5770c0d06caSMauro Carvalho Chehab } 5780c0d06caSMauro Carvalho Chehab 5790c0d06caSMauro Carvalho Chehab /* 58024a6d849SFrank Schaefer * get the next available buffer from dma queue 5810c0d06caSMauro Carvalho Chehab */ 58224a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 58324a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 5840c0d06caSMauro Carvalho Chehab { 58524a6d849SFrank Schaefer struct em28xx_buffer *buf; 5860c0d06caSMauro Carvalho Chehab 5870c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 5880c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 58924a6d849SFrank Schaefer return NULL; 5900c0d06caSMauro Carvalho Chehab } 5910c0d06caSMauro Carvalho Chehab 5920c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 593d3829fadSDevin Heitmueller buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); 5940c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 595d3829fadSDevin Heitmueller list_del(&buf->list); 5968732533bSFrank Schaefer buf->pos = 0; 597d3829fadSDevin Heitmueller buf->vb_buf = buf->mem; 5980c0d06caSMauro Carvalho Chehab 59924a6d849SFrank Schaefer return buf; 6000c0d06caSMauro Carvalho Chehab } 6010c0d06caSMauro Carvalho Chehab 602e04c00d9SFrank Schaefer /* 603e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 604e04c00d9SFrank Schaefer */ 605e04c00d9SFrank Schaefer static struct em28xx_buffer * 606e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 607e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 608e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 609e04c00d9SFrank Schaefer { 610e04c00d9SFrank Schaefer if (dev->progressive || dev->top_field) { /* Brand new frame */ 611e04c00d9SFrank Schaefer if (buf != NULL) 612e04c00d9SFrank Schaefer finish_buffer(dev, buf); 613e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 614e04c00d9SFrank Schaefer } 615e04c00d9SFrank Schaefer if (buf != NULL) { 616e04c00d9SFrank Schaefer buf->top_field = dev->top_field; 617e04c00d9SFrank Schaefer buf->pos = 0; 618e04c00d9SFrank Schaefer } 619e04c00d9SFrank Schaefer 620e04c00d9SFrank Schaefer return buf; 621e04c00d9SFrank Schaefer } 622e04c00d9SFrank Schaefer 623227b7c90SFrank Schaefer /* 624227b7c90SFrank Schaefer * Process data packet according to the em2710/em2750/em28xx frame data format 625227b7c90SFrank Schaefer */ 626227b7c90SFrank Schaefer static inline void process_frame_data_em28xx(struct em28xx *dev, 627227b7c90SFrank Schaefer unsigned char *data_pkt, 628227b7c90SFrank Schaefer unsigned int data_len) 629227b7c90SFrank Schaefer { 630227b7c90SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 631227b7c90SFrank Schaefer struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; 632227b7c90SFrank Schaefer struct em28xx_dmaqueue *dma_q = &dev->vidq; 633227b7c90SFrank Schaefer struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 634227b7c90SFrank Schaefer 635227b7c90SFrank Schaefer /* capture type 0 = vbi start 636227b7c90SFrank Schaefer capture type 1 = vbi in progress 637227b7c90SFrank Schaefer capture type 2 = video start 638227b7c90SFrank Schaefer capture type 3 = video in progress */ 639227b7c90SFrank Schaefer if (data_len >= 4) { 640227b7c90SFrank Schaefer /* NOTE: Headers are always 4 bytes and 641227b7c90SFrank Schaefer * never split across packets */ 642227b7c90SFrank Schaefer if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && 643227b7c90SFrank Schaefer data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { 644227b7c90SFrank Schaefer /* Continuation */ 645227b7c90SFrank Schaefer data_pkt += 4; 646227b7c90SFrank Schaefer data_len -= 4; 647227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { 648227b7c90SFrank Schaefer /* Field start (VBI mode) */ 649227b7c90SFrank Schaefer dev->capture_type = 0; 650227b7c90SFrank Schaefer dev->vbi_read = 0; 651227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 652227b7c90SFrank Schaefer dev->top_field = !(data_pkt[2] & 1); 653227b7c90SFrank Schaefer data_pkt += 4; 654227b7c90SFrank Schaefer data_len -= 4; 655227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { 656227b7c90SFrank Schaefer /* Field start (VBI disabled) */ 657227b7c90SFrank Schaefer dev->capture_type = 2; 658227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 659227b7c90SFrank Schaefer dev->top_field = !(data_pkt[2] & 1); 660227b7c90SFrank Schaefer data_pkt += 4; 661227b7c90SFrank Schaefer data_len -= 4; 662227b7c90SFrank Schaefer } 663227b7c90SFrank Schaefer } 664227b7c90SFrank Schaefer /* NOTE: With bulk transfers, intermediate data packets 665227b7c90SFrank Schaefer * have no continuation header */ 666227b7c90SFrank Schaefer 667227b7c90SFrank Schaefer if (dev->capture_type == 0) { 668227b7c90SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 669227b7c90SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 670227b7c90SFrank Schaefer dev->capture_type = 1; 671227b7c90SFrank Schaefer } 672227b7c90SFrank Schaefer 673227b7c90SFrank Schaefer if (dev->capture_type == 1) { 674227b7c90SFrank Schaefer int vbi_size = dev->vbi_width * dev->vbi_height; 675227b7c90SFrank Schaefer int vbi_data_len = ((dev->vbi_read + data_len) > vbi_size) ? 676227b7c90SFrank Schaefer (vbi_size - dev->vbi_read) : data_len; 677227b7c90SFrank Schaefer 678227b7c90SFrank Schaefer /* Copy VBI data */ 679227b7c90SFrank Schaefer if (vbi_buf != NULL) 680227b7c90SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); 681227b7c90SFrank Schaefer dev->vbi_read += vbi_data_len; 682227b7c90SFrank Schaefer 683227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 684227b7c90SFrank Schaefer /* Continue with copying video data */ 685227b7c90SFrank Schaefer dev->capture_type = 2; 686227b7c90SFrank Schaefer data_pkt += vbi_data_len; 687227b7c90SFrank Schaefer data_len -= vbi_data_len; 688227b7c90SFrank Schaefer } 689227b7c90SFrank Schaefer } 690227b7c90SFrank Schaefer 691227b7c90SFrank Schaefer if (dev->capture_type == 2) { 692227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 693227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 694227b7c90SFrank Schaefer dev->capture_type = 3; 695227b7c90SFrank Schaefer } 696227b7c90SFrank Schaefer 697227b7c90SFrank Schaefer if (dev->capture_type == 3 && buf != NULL && data_len > 0) 698227b7c90SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 699227b7c90SFrank Schaefer } 700227b7c90SFrank Schaefer 701e507e0e5SFrank Schaefer /* 702e507e0e5SFrank Schaefer * Process data packet according to the em25xx/em276x/7x/8x frame data format 703e507e0e5SFrank Schaefer */ 704e507e0e5SFrank Schaefer static inline void process_frame_data_em25xx(struct em28xx *dev, 705e507e0e5SFrank Schaefer unsigned char *data_pkt, 706e507e0e5SFrank Schaefer unsigned int data_len) 707e507e0e5SFrank Schaefer { 708e507e0e5SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 709e507e0e5SFrank Schaefer struct em28xx_dmaqueue *dmaq = &dev->vidq; 710e507e0e5SFrank Schaefer bool frame_end = 0; 711e507e0e5SFrank Schaefer 712e507e0e5SFrank Schaefer /* Check for header */ 713e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 714e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 715e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 716e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 717e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 718e507e0e5SFrank Schaefer dev->top_field = !(data_pkt[1] & 719e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 720e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 721e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 722e507e0e5SFrank Schaefer data_pkt += 2; 723e507e0e5SFrank Schaefer data_len -= 2; 724e507e0e5SFrank Schaefer } 725e507e0e5SFrank Schaefer 726e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 727e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 728e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 729e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 730e507e0e5SFrank Schaefer } 731e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 732e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 733e507e0e5SFrank Schaefer * first frame. 734e507e0e5SFrank Schaefer */ 735e507e0e5SFrank Schaefer } 736e507e0e5SFrank Schaefer 737e507e0e5SFrank Schaefer /* Copy data */ 738e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 739e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 740e507e0e5SFrank Schaefer 741e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 742e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 743e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 744e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 745e507e0e5SFrank Schaefer } 746e507e0e5SFrank Schaefer 747e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 748e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 749e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 750e507e0e5SFrank Schaefer * header like with the other em28xx devices. 751e507e0e5SFrank Schaefer */ 752e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 753e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 754e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 755e507e0e5SFrank Schaefer } 756e507e0e5SFrank Schaefer 757960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7580fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7590c0d06caSMauro Carvalho Chehab { 760227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 761227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 762227b7c90SFrank Schaefer unsigned int usb_data_len; 7630c0d06caSMauro Carvalho Chehab 7640c0d06caSMauro Carvalho Chehab if (!dev) 7650c0d06caSMauro Carvalho Chehab return 0; 7660c0d06caSMauro Carvalho Chehab 7672665c299SFrank Schaefer if (dev->disconnected) 7680c0d06caSMauro Carvalho Chehab return 0; 7690c0d06caSMauro Carvalho Chehab 7701653cb0cSFrank Schaefer if (urb->status < 0) 7710c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7720c0d06caSMauro Carvalho Chehab 7734601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7744601cc39SFrank Schaefer 7754601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7764601cc39SFrank Schaefer num_packets = 1; 7774601cc39SFrank Schaefer else /* isoc */ 7784601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7790c0d06caSMauro Carvalho Chehab 7804601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7814601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 782227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 7834601cc39SFrank Schaefer 784227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 7854601cc39SFrank Schaefer } else { /* isoc */ 7864601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 7874601cc39SFrank Schaefer print_err_status(dev, i, 7884601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 7890c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 7900c0d06caSMauro Carvalho Chehab continue; 7910c0d06caSMauro Carvalho Chehab } 7920c0d06caSMauro Carvalho Chehab 793227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 794227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 7950c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 7960c0d06caSMauro Carvalho Chehab continue; 7970c0d06caSMauro Carvalho Chehab } 7980c0d06caSMauro Carvalho Chehab 799227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8004601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8014601cc39SFrank Schaefer } 8024601cc39SFrank Schaefer 803227b7c90SFrank Schaefer if (usb_data_len == 0) { 8044601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8054601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8064601cc39SFrank Schaefer continue; 8074601cc39SFrank Schaefer } 8080c0d06caSMauro Carvalho Chehab 809e507e0e5SFrank Schaefer if (dev->is_em25xx) 810e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 811e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 812e507e0e5SFrank Schaefer else 813e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 814e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 815e507e0e5SFrank Schaefer 8160c0d06caSMauro Carvalho Chehab } 817227b7c90SFrank Schaefer return 1; 8180c0d06caSMauro Carvalho Chehab } 8190c0d06caSMauro Carvalho Chehab 8200c0d06caSMauro Carvalho Chehab 821d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 822d3829fadSDevin Heitmueller { 823d3829fadSDevin Heitmueller switch (f_type) { 824d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 825d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 826d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 827d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 828d3829fadSDevin Heitmueller default: 829d3829fadSDevin Heitmueller BUG(); 830d3829fadSDevin Heitmueller return 0; 831d3829fadSDevin Heitmueller } 832d3829fadSDevin Heitmueller } 833d3829fadSDevin Heitmueller 834d3829fadSDevin Heitmueller /* Usage lock check functions */ 835d3829fadSDevin Heitmueller static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) 836d3829fadSDevin Heitmueller { 837d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 838d3829fadSDevin Heitmueller 839d3829fadSDevin Heitmueller /* is it free? */ 840d3829fadSDevin Heitmueller if (dev->resources & res_type) { 841d3829fadSDevin Heitmueller /* no, someone else uses it */ 842d3829fadSDevin Heitmueller return -EBUSY; 843d3829fadSDevin Heitmueller } 844d3829fadSDevin Heitmueller 845d3829fadSDevin Heitmueller /* it's free, grab it */ 846d3829fadSDevin Heitmueller dev->resources |= res_type; 847d3829fadSDevin Heitmueller em28xx_videodbg("res: get %d\n", res_type); 848d3829fadSDevin Heitmueller return 0; 849d3829fadSDevin Heitmueller } 850d3829fadSDevin Heitmueller 851d3829fadSDevin Heitmueller static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) 852d3829fadSDevin Heitmueller { 853d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 854d3829fadSDevin Heitmueller 855d3829fadSDevin Heitmueller dev->resources &= ~res_type; 856d3829fadSDevin Heitmueller em28xx_videodbg("res: put %d\n", res_type); 857d3829fadSDevin Heitmueller } 858d3829fadSDevin Heitmueller 8590c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 860d3829fadSDevin Heitmueller Videobuf2 operations 8610c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8620c0d06caSMauro Carvalho Chehab 863d3829fadSDevin Heitmueller static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, 864d3829fadSDevin Heitmueller unsigned int *nbuffers, unsigned int *nplanes, 865d3829fadSDevin Heitmueller unsigned int sizes[], void *alloc_ctxs[]) 8660c0d06caSMauro Carvalho Chehab { 867d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 868d3829fadSDevin Heitmueller unsigned long size; 8690c0d06caSMauro Carvalho Chehab 870d3829fadSDevin Heitmueller if (fmt) 871d3829fadSDevin Heitmueller size = fmt->fmt.pix.sizeimage; 872d3829fadSDevin Heitmueller else 873d3829fadSDevin Heitmueller size = (dev->width * dev->height * dev->format->depth + 7) >> 3; 8740c0d06caSMauro Carvalho Chehab 875d3829fadSDevin Heitmueller if (size == 0) 876d3829fadSDevin Heitmueller return -EINVAL; 8770c0d06caSMauro Carvalho Chehab 878d3829fadSDevin Heitmueller if (0 == *nbuffers) 879d3829fadSDevin Heitmueller *nbuffers = 32; 8800c0d06caSMauro Carvalho Chehab 881d3829fadSDevin Heitmueller *nplanes = 1; 882d3829fadSDevin Heitmueller sizes[0] = size; 8830c0d06caSMauro Carvalho Chehab 8840c0d06caSMauro Carvalho Chehab return 0; 8850c0d06caSMauro Carvalho Chehab } 8860c0d06caSMauro Carvalho Chehab 8870c0d06caSMauro Carvalho Chehab static int 888d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 8890c0d06caSMauro Carvalho Chehab { 890d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 8910c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 892d3829fadSDevin Heitmueller unsigned long size; 8930c0d06caSMauro Carvalho Chehab 894d3829fadSDevin Heitmueller em28xx_videodbg("%s, field=%d\n", __func__, vb->v4l2_buf.field); 8950c0d06caSMauro Carvalho Chehab 896d3829fadSDevin Heitmueller size = (dev->width * dev->height * dev->format->depth + 7) >> 3; 897d3829fadSDevin Heitmueller 898d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 899d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 900d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 9010c0d06caSMauro Carvalho Chehab return -EINVAL; 902d3829fadSDevin Heitmueller } 903d3829fadSDevin Heitmueller vb2_set_plane_payload(&buf->vb, 0, size); 9040c0d06caSMauro Carvalho Chehab 905d3829fadSDevin Heitmueller return 0; 9060c0d06caSMauro Carvalho Chehab } 9070c0d06caSMauro Carvalho Chehab 908d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 909d3829fadSDevin Heitmueller { 910d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 911d3829fadSDevin Heitmueller struct v4l2_frequency f; 912d3829fadSDevin Heitmueller int rc = 0; 9130c0d06caSMauro Carvalho Chehab 914d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 915d3829fadSDevin Heitmueller 916d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 917d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 918d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 919d3829fadSDevin Heitmueller if (rc) 920d3829fadSDevin Heitmueller return rc; 921d3829fadSDevin Heitmueller 922032f1ddfSFrank Schaefer if (dev->streaming_users == 0) { 923d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 924d3829fadSDevin Heitmueller 925d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 926d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 927d3829fadSDevin Heitmueller 928d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 929d3829fadSDevin Heitmueller some i2c device 930d3829fadSDevin Heitmueller */ 931d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 932d3829fadSDevin Heitmueller 9330455eebfSFrank Schaefer dev->capture_type = -1; 934c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 935c647a91aSFrank Schaefer dev->analog_xfer_bulk, 9360c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 9370c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 938c647a91aSFrank Schaefer dev->packet_multiplier, 9390fa4a402SFrank Schaefer em28xx_urb_data_copy); 9400c0d06caSMauro Carvalho Chehab if (rc < 0) 941032f1ddfSFrank Schaefer return rc; 942d3829fadSDevin Heitmueller 943d3829fadSDevin Heitmueller /* 944d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 945d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 946d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 947d3829fadSDevin Heitmueller */ 948d3829fadSDevin Heitmueller 949d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 950d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 951d3829fadSDevin Heitmueller f.frequency = dev->ctl_freq; 952d3829fadSDevin Heitmueller if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO) 953d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 954d3829fadSDevin Heitmueller else 955d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 95695d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 95795d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 9580c0d06caSMauro Carvalho Chehab } 9590c0d06caSMauro Carvalho Chehab 960032f1ddfSFrank Schaefer dev->streaming_users++; 961032f1ddfSFrank Schaefer 9620c0d06caSMauro Carvalho Chehab return rc; 9630c0d06caSMauro Carvalho Chehab } 9640c0d06caSMauro Carvalho Chehab 965e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 9660c0d06caSMauro Carvalho Chehab { 967d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 9680c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 969d3829fadSDevin Heitmueller unsigned long flags = 0; 9700c0d06caSMauro Carvalho Chehab 971d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9720c0d06caSMauro Carvalho Chehab 973d3829fadSDevin Heitmueller res_free(dev, vq->type); 974d3829fadSDevin Heitmueller 975d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 976d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 977d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 9780c0d06caSMauro Carvalho Chehab } 9790c0d06caSMauro Carvalho Chehab 980d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 981d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 982d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 983d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 984d3829fadSDevin Heitmueller list_del(&buf->list); 985d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 986d3829fadSDevin Heitmueller } 987d3829fadSDevin Heitmueller dev->usb_ctl.vid_buf = NULL; 988d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 989d3829fadSDevin Heitmueller } 990d3829fadSDevin Heitmueller 991e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 9920c0d06caSMauro Carvalho Chehab { 993d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 994d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 995d3829fadSDevin Heitmueller unsigned long flags = 0; 9960c0d06caSMauro Carvalho Chehab 997d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9980c0d06caSMauro Carvalho Chehab 999d3829fadSDevin Heitmueller res_free(dev, vq->type); 1000d3829fadSDevin Heitmueller 1001d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 1002d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1003d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 10040c0d06caSMauro Carvalho Chehab } 10050c0d06caSMauro Carvalho Chehab 1006d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1007d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1008d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1009d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1010d3829fadSDevin Heitmueller list_del(&buf->list); 1011d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 1012d3829fadSDevin Heitmueller } 1013d3829fadSDevin Heitmueller dev->usb_ctl.vbi_buf = NULL; 1014d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1015d3829fadSDevin Heitmueller } 1016d3829fadSDevin Heitmueller 1017d3829fadSDevin Heitmueller static void 1018d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1019d3829fadSDevin Heitmueller { 1020d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 1021d3829fadSDevin Heitmueller struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 1022d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1023d3829fadSDevin Heitmueller unsigned long flags = 0; 1024d3829fadSDevin Heitmueller 1025d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1026d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1027d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1028d3829fadSDevin Heitmueller 1029d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1030d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1031d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1032d3829fadSDevin Heitmueller } 1033d3829fadSDevin Heitmueller 1034d3829fadSDevin Heitmueller static struct vb2_ops em28xx_video_qops = { 1035d3829fadSDevin Heitmueller .queue_setup = queue_setup, 10360c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 10370c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1038d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1039d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1040d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1041d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 10420c0d06caSMauro Carvalho Chehab }; 10430c0d06caSMauro Carvalho Chehab 104401c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1045d3829fadSDevin Heitmueller { 1046d3829fadSDevin Heitmueller int rc; 1047d3829fadSDevin Heitmueller struct vb2_queue *q; 104827a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1049d3829fadSDevin Heitmueller 1050d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 105127a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1052d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1053ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1054ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1055d3829fadSDevin Heitmueller q->drv_priv = dev; 1056d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1057d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1058d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1059d3829fadSDevin Heitmueller 1060d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1061d3829fadSDevin Heitmueller if (rc < 0) 1062d3829fadSDevin Heitmueller return rc; 1063d3829fadSDevin Heitmueller 1064d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 106527a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1066d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1067d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1068ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1069d3829fadSDevin Heitmueller q->drv_priv = dev; 1070d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1071d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1072d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1073d3829fadSDevin Heitmueller 1074d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1075d3829fadSDevin Heitmueller if (rc < 0) 1076d3829fadSDevin Heitmueller return rc; 1077d3829fadSDevin Heitmueller 1078d3829fadSDevin Heitmueller return 0; 1079d3829fadSDevin Heitmueller } 1080d3829fadSDevin Heitmueller 10810c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 10820c0d06caSMauro Carvalho Chehab 10830c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 10840c0d06caSMauro Carvalho Chehab { 108595d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 10860c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 10870c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 10880c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 10890c0d06caSMauro Carvalho Chehab 10900c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 10910c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 10920c0d06caSMauro Carvalho Chehab 109395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 10940c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 10950c0d06caSMauro Carvalho Chehab 10960c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 10970c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 109895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 10990c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 11000c0d06caSMauro Carvalho Chehab } 11010c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 110295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11030c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11040c0d06caSMauro Carvalho Chehab } 11050c0d06caSMauro Carvalho Chehab 11060c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 110795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11080c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11090c0d06caSMauro Carvalho Chehab } 11100c0d06caSMauro Carvalho Chehab 11110c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11120c0d06caSMauro Carvalho Chehab } 11130c0d06caSMauro Carvalho Chehab 111401c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11150c0d06caSMauro Carvalho Chehab { 1116081b945eSHans Verkuil struct em28xx *dev = priv; 11170c0d06caSMauro Carvalho Chehab 11180c0d06caSMauro Carvalho Chehab /* 1119081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1120081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1121081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1122081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11230c0d06caSMauro Carvalho Chehab */ 11240c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11250c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1126081b945eSHans Verkuil dev->mute = ctrl->val; 1127081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11280c0d06caSMauro Carvalho Chehab break; 11290c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1130081b945eSHans Verkuil dev->volume = ctrl->val; 1131081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1132081b945eSHans Verkuil break; 1133081b945eSHans Verkuil } 1134081b945eSHans Verkuil } 1135081b945eSHans Verkuil 1136081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1137081b945eSHans Verkuil { 1138abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1139abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1140abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11418f8b113aSFrank Schaefer int ret = -EINVAL; 1142081b945eSHans Verkuil 1143081b945eSHans Verkuil switch (ctrl->id) { 1144081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1145081b945eSHans Verkuil dev->mute = ctrl->val; 11468f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1147081b945eSHans Verkuil break; 1148081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1149081b945eSHans Verkuil dev->volume = ctrl->val; 11508f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11518f8b113aSFrank Schaefer break; 11528f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11538f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11548f8b113aSFrank Schaefer break; 11558f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11568f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11578f8b113aSFrank Schaefer break; 11588f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11598f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11608f8b113aSFrank Schaefer break; 11618f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11628f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11638f8b113aSFrank Schaefer break; 11648f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11658f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 11668f8b113aSFrank Schaefer break; 11678f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 11688f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 11690c0d06caSMauro Carvalho Chehab break; 11700c0d06caSMauro Carvalho Chehab } 11710c0d06caSMauro Carvalho Chehab 11728f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 11730c0d06caSMauro Carvalho Chehab } 11740c0d06caSMauro Carvalho Chehab 11758068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1176081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1177081b945eSHans Verkuil }; 1178081b945eSHans Verkuil 11796b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 11800c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 11810c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 11820c0d06caSMauro Carvalho Chehab { 11830c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 11840c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 11850c0d06caSMauro Carvalho Chehab 11860c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 118781685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 118881685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 11890c0d06caSMauro Carvalho Chehab 11900c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 119181685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 119281685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 11930c0d06caSMauro Carvalho Chehab } 11940c0d06caSMauro Carvalho Chehab 1195b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1196b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1197b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1198b8374138SFrank Schaefer { 1199b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1200b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1201b8374138SFrank Schaefer 1202b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1203b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1204b8374138SFrank Schaefer } 1205b8374138SFrank Schaefer 12060c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12070c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12080c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12090c0d06caSMauro Carvalho Chehab 12100c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12110c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12120c0d06caSMauro Carvalho Chehab { 12130c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12140c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12150c0d06caSMauro Carvalho Chehab 12160c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 12170c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 12180c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 12190c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 12200c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 12210c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12220c0d06caSMauro Carvalho Chehab 12230c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 12240c0d06caSMauro Carvalho Chehab if (dev->progressive) 12250c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12260c0d06caSMauro Carvalho Chehab else 12270c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 12280c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12290c0d06caSMauro Carvalho Chehab return 0; 12300c0d06caSMauro Carvalho Chehab } 12310c0d06caSMauro Carvalho Chehab 12320c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12330c0d06caSMauro Carvalho Chehab { 12340c0d06caSMauro Carvalho Chehab unsigned int i; 12350c0d06caSMauro Carvalho Chehab 12360c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12370c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12380c0d06caSMauro Carvalho Chehab return &format[i]; 12390c0d06caSMauro Carvalho Chehab 12400c0d06caSMauro Carvalho Chehab return NULL; 12410c0d06caSMauro Carvalho Chehab } 12420c0d06caSMauro Carvalho Chehab 12430c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12440c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12450c0d06caSMauro Carvalho Chehab { 12460c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12470c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12480c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12490c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12500c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12510c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12520c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12530c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12540c0d06caSMauro Carvalho Chehab 12550c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12560c0d06caSMauro Carvalho Chehab if (!fmt) { 12570c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12580c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12590c0d06caSMauro Carvalho Chehab return -EINVAL; 12600c0d06caSMauro Carvalho Chehab } 12610c0d06caSMauro Carvalho Chehab 12620c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12630c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12640c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12650c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1266d3829fadSDevin Heitmueller /* 1267d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1268d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1269d3829fadSDevin Heitmueller * to 50% 1270d3829fadSDevin Heitmueller */ 12710c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 12720c0d06caSMauro Carvalho Chehab width /= 2; 12730c0d06caSMauro Carvalho Chehab } else { 12740c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 12750c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 12760c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 12770c0d06caSMauro Carvalho Chehab 1, 0); 12780c0d06caSMauro Carvalho Chehab } 12790c0d06caSMauro Carvalho Chehab 12806b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 128146f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 12820c0d06caSMauro Carvalho Chehab 12830c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 12840c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 12850c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1286e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 12870c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 12880c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12890c0d06caSMauro Carvalho Chehab if (dev->progressive) 12900c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12910c0d06caSMauro Carvalho Chehab else 12920c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 12930c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 129451dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 12950c0d06caSMauro Carvalho Chehab 12960c0d06caSMauro Carvalho Chehab return 0; 12970c0d06caSMauro Carvalho Chehab } 12980c0d06caSMauro Carvalho Chehab 12990c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 13000c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13010c0d06caSMauro Carvalho Chehab { 13020c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 13030c0d06caSMauro Carvalho Chehab 13040c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13050c0d06caSMauro Carvalho Chehab if (!fmt) 13060c0d06caSMauro Carvalho Chehab return -EINVAL; 13070c0d06caSMauro Carvalho Chehab 13080c0d06caSMauro Carvalho Chehab dev->format = fmt; 13090c0d06caSMauro Carvalho Chehab dev->width = width; 13100c0d06caSMauro Carvalho Chehab dev->height = height; 13110c0d06caSMauro Carvalho Chehab 13120c0d06caSMauro Carvalho Chehab /* set new image size */ 13136b09a21cSFrank Schaefer size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 13140c0d06caSMauro Carvalho Chehab 13150c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13160c0d06caSMauro Carvalho Chehab 13170c0d06caSMauro Carvalho Chehab return 0; 13180c0d06caSMauro Carvalho Chehab } 13190c0d06caSMauro Carvalho Chehab 13200c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13210c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13220c0d06caSMauro Carvalho Chehab { 1323d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13240c0d06caSMauro Carvalho Chehab 1325d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1326d3829fadSDevin Heitmueller return -EBUSY; 13270c0d06caSMauro Carvalho Chehab 13280c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13290c0d06caSMauro Carvalho Chehab 13300c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13310c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13320c0d06caSMauro Carvalho Chehab } 13330c0d06caSMauro Carvalho Chehab 13340c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13350c0d06caSMauro Carvalho Chehab { 13360c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13370c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13380c0d06caSMauro Carvalho Chehab 13390c0d06caSMauro Carvalho Chehab *norm = dev->norm; 13400c0d06caSMauro Carvalho Chehab 13410c0d06caSMauro Carvalho Chehab return 0; 13420c0d06caSMauro Carvalho Chehab } 13430c0d06caSMauro Carvalho Chehab 13440c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13450c0d06caSMauro Carvalho Chehab { 13460c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13470c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13480c0d06caSMauro Carvalho Chehab 134995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13500c0d06caSMauro Carvalho Chehab 13510c0d06caSMauro Carvalho Chehab return 0; 13520c0d06caSMauro Carvalho Chehab } 13530c0d06caSMauro Carvalho Chehab 1354314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13550c0d06caSMauro Carvalho Chehab { 13560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13580c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13590c0d06caSMauro Carvalho Chehab 1360314527acSHans Verkuil if (norm == dev->norm) 1361d8c95c08SHans Verkuil return 0; 13620c0d06caSMauro Carvalho Chehab 1363d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1364d8c95c08SHans Verkuil return -EBUSY; 1365d8c95c08SHans Verkuil 1366314527acSHans Verkuil dev->norm = norm; 13670c0d06caSMauro Carvalho Chehab 13680c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1369d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1370314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 13710c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 13720c0d06caSMauro Carvalho Chehab 13730c0d06caSMauro Carvalho Chehab /* set new image size */ 13740c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 13750c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 13766b09a21cSFrank Schaefer size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 13770c0d06caSMauro Carvalho Chehab 13780c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 137995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, core, s_std, dev->norm); 13800c0d06caSMauro Carvalho Chehab 13810c0d06caSMauro Carvalho Chehab return 0; 13820c0d06caSMauro Carvalho Chehab } 13830c0d06caSMauro Carvalho Chehab 13840c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 13850c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 13860c0d06caSMauro Carvalho Chehab { 13870c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13880c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13890c0d06caSMauro Carvalho Chehab int rc = 0; 13900c0d06caSMauro Carvalho Chehab 139186ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 13920c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 139395d2608bSFrank Schaefer rc = v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 0, 13940c0d06caSMauro Carvalho Chehab video, g_parm, p); 13950c0d06caSMauro Carvalho Chehab else 13960c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 13970c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 13980c0d06caSMauro Carvalho Chehab 13990c0d06caSMauro Carvalho Chehab return rc; 14000c0d06caSMauro Carvalho Chehab } 14010c0d06caSMauro Carvalho Chehab 14020c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14030c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14040c0d06caSMauro Carvalho Chehab { 14050c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14060c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14070c0d06caSMauro Carvalho Chehab 140886ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 140995d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 141095d2608bSFrank Schaefer 0, video, s_parm, p); 14110c0d06caSMauro Carvalho Chehab } 14120c0d06caSMauro Carvalho Chehab 14130c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14140c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14150c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14160c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14170c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14180c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14190c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14200c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14210c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14220c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14230c0d06caSMauro Carvalho Chehab }; 14240c0d06caSMauro Carvalho Chehab 14250c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14260c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14270c0d06caSMauro Carvalho Chehab { 14280c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14290c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14300c0d06caSMauro Carvalho Chehab unsigned int n; 14310c0d06caSMauro Carvalho Chehab 14320c0d06caSMauro Carvalho Chehab n = i->index; 14330c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14340c0d06caSMauro Carvalho Chehab return -EINVAL; 14350c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14360c0d06caSMauro Carvalho Chehab return -EINVAL; 14370c0d06caSMauro Carvalho Chehab 14380c0d06caSMauro Carvalho Chehab i->index = n; 14390c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14400c0d06caSMauro Carvalho Chehab 14410c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14420c0d06caSMauro Carvalho Chehab 14430c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14440c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14450c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14460c0d06caSMauro Carvalho Chehab 1447ef74a0b9SFrank Schaefer i->std = dev->v4l2->vdev->tvnorms; 1448d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1449d8c95c08SHans Verkuil if (dev->board.is_webcam) 1450d8c95c08SHans Verkuil i->capabilities = 0; 14510c0d06caSMauro Carvalho Chehab 14520c0d06caSMauro Carvalho Chehab return 0; 14530c0d06caSMauro Carvalho Chehab } 14540c0d06caSMauro Carvalho Chehab 14550c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14560c0d06caSMauro Carvalho Chehab { 14570c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14580c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14590c0d06caSMauro Carvalho Chehab 14600c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14610c0d06caSMauro Carvalho Chehab 14620c0d06caSMauro Carvalho Chehab return 0; 14630c0d06caSMauro Carvalho Chehab } 14640c0d06caSMauro Carvalho Chehab 14650c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14660c0d06caSMauro Carvalho Chehab { 14670c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14680c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14690c0d06caSMauro Carvalho Chehab 14700c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 14710c0d06caSMauro Carvalho Chehab return -EINVAL; 14720c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 14730c0d06caSMauro Carvalho Chehab return -EINVAL; 14740c0d06caSMauro Carvalho Chehab 14750c0d06caSMauro Carvalho Chehab video_mux(dev, i); 14760c0d06caSMauro Carvalho Chehab return 0; 14770c0d06caSMauro Carvalho Chehab } 14780c0d06caSMauro Carvalho Chehab 14790c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 14800c0d06caSMauro Carvalho Chehab { 14810c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14820c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14830c0d06caSMauro Carvalho Chehab 14840c0d06caSMauro Carvalho Chehab switch (a->index) { 14850c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 14860c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 14870c0d06caSMauro Carvalho Chehab break; 14880c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 14890c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 14900c0d06caSMauro Carvalho Chehab break; 14910c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 14920c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 14930c0d06caSMauro Carvalho Chehab break; 14940c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 14950c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 14960c0d06caSMauro Carvalho Chehab break; 14970c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 14980c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 14990c0d06caSMauro Carvalho Chehab break; 15000c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15010c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15020c0d06caSMauro Carvalho Chehab break; 15030c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15040c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15050c0d06caSMauro Carvalho Chehab break; 15060c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15070c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15080c0d06caSMauro Carvalho Chehab break; 15090c0d06caSMauro Carvalho Chehab default: 15100c0d06caSMauro Carvalho Chehab return -EINVAL; 15110c0d06caSMauro Carvalho Chehab } 15120c0d06caSMauro Carvalho Chehab 15130c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15140c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15150c0d06caSMauro Carvalho Chehab 15160c0d06caSMauro Carvalho Chehab return 0; 15170c0d06caSMauro Carvalho Chehab } 15180c0d06caSMauro Carvalho Chehab 15190e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15200c0d06caSMauro Carvalho Chehab { 15210c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15220c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15230c0d06caSMauro Carvalho Chehab 15240c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15250c0d06caSMauro Carvalho Chehab return -EINVAL; 15260c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15270c0d06caSMauro Carvalho Chehab return -EINVAL; 15280c0d06caSMauro Carvalho Chehab 15290c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15300c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15310c0d06caSMauro Carvalho Chehab 15320c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15330c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15340c0d06caSMauro Carvalho Chehab 15350c0d06caSMauro Carvalho Chehab return 0; 15360c0d06caSMauro Carvalho Chehab } 15370c0d06caSMauro Carvalho Chehab 15380c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15390c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15400c0d06caSMauro Carvalho Chehab { 15410c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15420c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15430c0d06caSMauro Carvalho Chehab 15440c0d06caSMauro Carvalho Chehab if (0 != t->index) 15450c0d06caSMauro Carvalho Chehab return -EINVAL; 15460c0d06caSMauro Carvalho Chehab 15470c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15480c0d06caSMauro Carvalho Chehab 154995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15500c0d06caSMauro Carvalho Chehab return 0; 15510c0d06caSMauro Carvalho Chehab } 15520c0d06caSMauro Carvalho Chehab 15530c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15542f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15550c0d06caSMauro Carvalho Chehab { 15560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15580c0d06caSMauro Carvalho Chehab 15590c0d06caSMauro Carvalho Chehab if (0 != t->index) 15600c0d06caSMauro Carvalho Chehab return -EINVAL; 15610c0d06caSMauro Carvalho Chehab 156295d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15630c0d06caSMauro Carvalho Chehab return 0; 15640c0d06caSMauro Carvalho Chehab } 15650c0d06caSMauro Carvalho Chehab 15660c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15670c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15680c0d06caSMauro Carvalho Chehab { 15690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15700c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15710c0d06caSMauro Carvalho Chehab 157220deebfeSHans Verkuil if (0 != f->tuner) 157320deebfeSHans Verkuil return -EINVAL; 157420deebfeSHans Verkuil 15750c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15760c0d06caSMauro Carvalho Chehab return 0; 15770c0d06caSMauro Carvalho Chehab } 15780c0d06caSMauro Carvalho Chehab 15790c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1580b530a447SHans Verkuil const struct v4l2_frequency *f) 15810c0d06caSMauro Carvalho Chehab { 1582b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 15830c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15840c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 158595d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15860c0d06caSMauro Carvalho Chehab 15870c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 15880c0d06caSMauro Carvalho Chehab return -EINVAL; 15890c0d06caSMauro Carvalho Chehab 159095d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 159195d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 1592b530a447SHans Verkuil dev->ctl_freq = new_freq.frequency; 15930c0d06caSMauro Carvalho Chehab 15940c0d06caSMauro Carvalho Chehab return 0; 15950c0d06caSMauro Carvalho Chehab } 15960c0d06caSMauro Carvalho Chehab 1597cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 159896b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 159996b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 16003b2d17b4SHans Verkuil { 16013b2d17b4SHans Verkuil struct em28xx_fh *fh = priv; 16023b2d17b4SHans Verkuil struct em28xx *dev = fh->dev; 16033b2d17b4SHans Verkuil 16043b2d17b4SHans Verkuil if (chip->match.addr > 1) 16053b2d17b4SHans Verkuil return -EINVAL; 16063b2d17b4SHans Verkuil if (chip->match.addr == 1) 16073b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16083b2d17b4SHans Verkuil else 160995d2608bSFrank Schaefer strlcpy(chip->name, 161095d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16113b2d17b4SHans Verkuil return 0; 16123b2d17b4SHans Verkuil } 16133b2d17b4SHans Verkuil 161435deba32SFrank Schaefer static int em28xx_reg_len(int reg) 161535deba32SFrank Schaefer { 161635deba32SFrank Schaefer switch (reg) { 161735deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 161835deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 161935deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 162035deba32SFrank Schaefer return 2; 162135deba32SFrank Schaefer default: 162235deba32SFrank Schaefer return 1; 162335deba32SFrank Schaefer } 162435deba32SFrank Schaefer } 16250c0d06caSMauro Carvalho Chehab 16260c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16270c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16280c0d06caSMauro Carvalho Chehab { 16290c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16300c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16310c0d06caSMauro Carvalho Chehab int ret; 16320c0d06caSMauro Carvalho Chehab 16333b2d17b4SHans Verkuil if (reg->match.addr > 1) 16343b2d17b4SHans Verkuil return -EINVAL; 1635abca2056SHans Verkuil if (reg->match.addr) { 16360c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16370c0d06caSMauro Carvalho Chehab if (ret < 0) 16380c0d06caSMauro Carvalho Chehab return ret; 16390c0d06caSMauro Carvalho Chehab 16400c0d06caSMauro Carvalho Chehab reg->val = ret; 16410c0d06caSMauro Carvalho Chehab reg->size = 1; 16420c0d06caSMauro Carvalho Chehab return 0; 16430c0d06caSMauro Carvalho Chehab } 16440c0d06caSMauro Carvalho Chehab 16450c0d06caSMauro Carvalho Chehab /* Match host */ 16460c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16470c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16480c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16490c0d06caSMauro Carvalho Chehab 16500c0d06caSMauro Carvalho Chehab if (ret < 0) 16510c0d06caSMauro Carvalho Chehab return ret; 16520c0d06caSMauro Carvalho Chehab 16530c0d06caSMauro Carvalho Chehab reg->val = ret; 16540c0d06caSMauro Carvalho Chehab } else { 16550c0d06caSMauro Carvalho Chehab __le16 val = 0; 165601c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16570c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16580c0d06caSMauro Carvalho Chehab if (ret < 0) 16590c0d06caSMauro Carvalho Chehab return ret; 16600c0d06caSMauro Carvalho Chehab 16610c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16620c0d06caSMauro Carvalho Chehab } 16630c0d06caSMauro Carvalho Chehab 16640c0d06caSMauro Carvalho Chehab return 0; 16650c0d06caSMauro Carvalho Chehab } 16660c0d06caSMauro Carvalho Chehab 16670c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1668977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16690c0d06caSMauro Carvalho Chehab { 16700c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16710c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16720c0d06caSMauro Carvalho Chehab __le16 buf; 16730c0d06caSMauro Carvalho Chehab 16743b2d17b4SHans Verkuil if (reg->match.addr > 1) 16753b2d17b4SHans Verkuil return -EINVAL; 1676abca2056SHans Verkuil if (reg->match.addr) 16770c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 16780c0d06caSMauro Carvalho Chehab 16790c0d06caSMauro Carvalho Chehab /* Match host */ 16800c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 16810c0d06caSMauro Carvalho Chehab 16820c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 16830c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 16840c0d06caSMauro Carvalho Chehab } 16850c0d06caSMauro Carvalho Chehab #endif 16860c0d06caSMauro Carvalho Chehab 16870c0d06caSMauro Carvalho Chehab 16880c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 16890c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 16900c0d06caSMauro Carvalho Chehab { 1691a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 16920c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16930c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1694ef74a0b9SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16950c0d06caSMauro Carvalho Chehab 16960c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 16970c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 16980c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 16990c0d06caSMauro Carvalho Chehab 1700a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1701a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1702a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1703a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1704a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1705a9d79fe5SHans Verkuil else 17061d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 17070c0d06caSMauro Carvalho Chehab 17080c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 1709a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 17100c0d06caSMauro Carvalho Chehab 17110c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1712a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 17130c0d06caSMauro Carvalho Chehab 1714a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1715a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1716ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 17171d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1718ef74a0b9SFrank Schaefer if (v4l2->radio_dev) 1719a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 17200c0d06caSMauro Carvalho Chehab return 0; 17210c0d06caSMauro Carvalho Chehab } 17220c0d06caSMauro Carvalho Chehab 17230c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17240c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17250c0d06caSMauro Carvalho Chehab { 17260c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17270c0d06caSMauro Carvalho Chehab return -EINVAL; 17280c0d06caSMauro Carvalho Chehab 17290c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 17300c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 17310c0d06caSMauro Carvalho Chehab 17320c0d06caSMauro Carvalho Chehab return 0; 17330c0d06caSMauro Carvalho Chehab } 17340c0d06caSMauro Carvalho Chehab 17350c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 17360c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 17370c0d06caSMauro Carvalho Chehab { 17380c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17390c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17400c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17410c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17420c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17430c0d06caSMauro Carvalho Chehab 17440c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17450c0d06caSMauro Carvalho Chehab if (!fmt) { 17460c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17470c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17480c0d06caSMauro Carvalho Chehab return -EINVAL; 17490c0d06caSMauro Carvalho Chehab } 17500c0d06caSMauro Carvalho Chehab 17510c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17520c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17530c0d06caSMauro Carvalho Chehab return -EINVAL; 17540c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17550c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17560c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17570c0d06caSMauro Carvalho Chehab return 0; 17580c0d06caSMauro Carvalho Chehab } 17590c0d06caSMauro Carvalho Chehab 17600c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17610c0d06caSMauro Carvalho Chehab return -EINVAL; 17620c0d06caSMauro Carvalho Chehab 17630c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17640c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17656c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17666c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17676c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17680c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17696c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17706c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17710c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17720c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17730c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17740c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17750c0d06caSMauro Carvalho Chehab return 0; 17760c0d06caSMauro Carvalho Chehab } 17770c0d06caSMauro Carvalho Chehab 17780c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17790c0d06caSMauro Carvalho Chehab 17800c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 17810c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17820c0d06caSMauro Carvalho Chehab { 17830c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17840c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17850c0d06caSMauro Carvalho Chehab 17860c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17870c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17880c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17890c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17900c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17910c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17920c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17932a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 17940c0d06caSMauro Carvalho Chehab 17950c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17960c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17970c0d06caSMauro Carvalho Chehab /* NTSC */ 17980c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17990c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 18000c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 18010c0d06caSMauro Carvalho Chehab /* PAL */ 18020c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18030c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18040c0d06caSMauro Carvalho Chehab } 18050c0d06caSMauro Carvalho Chehab 18060c0d06caSMauro Carvalho Chehab return 0; 18070c0d06caSMauro Carvalho Chehab } 18080c0d06caSMauro Carvalho Chehab 18090c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18100c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18110c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18120c0d06caSMauro Carvalho Chehab 18130c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18140c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18150c0d06caSMauro Carvalho Chehab { 18160c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18170c0d06caSMauro Carvalho Chehab 18180c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18190c0d06caSMauro Carvalho Chehab return -EINVAL; 18200c0d06caSMauro Carvalho Chehab 18210c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18220c0d06caSMauro Carvalho Chehab 182395d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18240c0d06caSMauro Carvalho Chehab 18250c0d06caSMauro Carvalho Chehab return 0; 18260c0d06caSMauro Carvalho Chehab } 18270c0d06caSMauro Carvalho Chehab 18280c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18292f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18300c0d06caSMauro Carvalho Chehab { 18310c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18320c0d06caSMauro Carvalho Chehab 18330c0d06caSMauro Carvalho Chehab if (0 != t->index) 18340c0d06caSMauro Carvalho Chehab return -EINVAL; 18350c0d06caSMauro Carvalho Chehab 183695d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18370c0d06caSMauro Carvalho Chehab 18380c0d06caSMauro Carvalho Chehab return 0; 18390c0d06caSMauro Carvalho Chehab } 18400c0d06caSMauro Carvalho Chehab 18410c0d06caSMauro Carvalho Chehab /* 184295d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 184395d2608bSFrank Schaefer * 184495d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 184595d2608bSFrank Schaefer * 184695d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 184795d2608bSFrank Schaefer */ 184895d2608bSFrank Schaefer void em28xx_free_v4l2(struct kref *ref) 184995d2608bSFrank Schaefer { 185095d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 185195d2608bSFrank Schaefer 1852abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 185395d2608bSFrank Schaefer kfree(v4l2); 185495d2608bSFrank Schaefer } 185595d2608bSFrank Schaefer 185695d2608bSFrank Schaefer /* 18570c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18580c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18590c0d06caSMauro Carvalho Chehab */ 18600c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18610c0d06caSMauro Carvalho Chehab { 18620c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18630c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 186495d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18650c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18660c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 18670c0d06caSMauro Carvalho Chehab 18680c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18690c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18700c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18710c0d06caSMauro Carvalho Chehab break; 18720c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18730c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18740c0d06caSMauro Carvalho Chehab break; 18754e170240SFrank Schaefer case VFL_TYPE_RADIO: 18764e170240SFrank Schaefer break; 18774e170240SFrank Schaefer default: 18784e170240SFrank Schaefer return -EINVAL; 18790c0d06caSMauro Carvalho Chehab } 18800c0d06caSMauro Carvalho Chehab 18810c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 18820c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 18830c0d06caSMauro Carvalho Chehab dev->users); 18840c0d06caSMauro Carvalho Chehab 18850c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 18860c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 18870c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 18880c0d06caSMauro Carvalho Chehab if (!fh) { 18890c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 18900c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 18910c0d06caSMauro Carvalho Chehab return -ENOMEM; 18920c0d06caSMauro Carvalho Chehab } 189369a61642SHans Verkuil v4l2_fh_init(&fh->fh, vdev); 18940c0d06caSMauro Carvalho Chehab fh->dev = dev; 18950c0d06caSMauro Carvalho Chehab fh->type = fh_type; 18960c0d06caSMauro Carvalho Chehab filp->private_data = fh; 18970c0d06caSMauro Carvalho Chehab 18984e170240SFrank Schaefer if (dev->users == 0) { 18990c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19004e170240SFrank Schaefer 19014e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19020c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19030c0d06caSMauro Carvalho Chehab 19044e170240SFrank Schaefer /* 19054e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19064e170240SFrank Schaefer * of some i2c devices 19070c0d06caSMauro Carvalho Chehab */ 19080c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19090c0d06caSMauro Carvalho Chehab } 1910d3829fadSDevin Heitmueller 1911d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19120c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 191395d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19140c0d06caSMauro Carvalho Chehab } 19150c0d06caSMauro Carvalho Chehab 191647677e51SMauro Carvalho Chehab kref_get(&dev->ref); 191795d2608bSFrank Schaefer kref_get(&v4l2->ref); 19180c0d06caSMauro Carvalho Chehab dev->users++; 19190c0d06caSMauro Carvalho Chehab 19200c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 192169a61642SHans Verkuil v4l2_fh_add(&fh->fh); 19220c0d06caSMauro Carvalho Chehab 1923d3829fadSDevin Heitmueller return 0; 19240c0d06caSMauro Carvalho Chehab } 19250c0d06caSMauro Carvalho Chehab 19260c0d06caSMauro Carvalho Chehab /* 192701c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19280c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19290c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19300c0d06caSMauro Carvalho Chehab */ 193101c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19320c0d06caSMauro Carvalho Chehab { 193395d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 193495d2608bSFrank Schaefer 1935822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1936822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1937822b8deaSMauro Carvalho Chehab return 0; 1938822b8deaSMauro Carvalho Chehab } 1939822b8deaSMauro Carvalho Chehab 194001c28193SMauro Carvalho Chehab if (!dev->has_video) { 194101c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 194201c28193SMauro Carvalho Chehab return 0; 194301c28193SMauro Carvalho Chehab } 19440c0d06caSMauro Carvalho Chehab 194595d2608bSFrank Schaefer if (v4l2 == NULL) 194695d2608bSFrank Schaefer return 0; 194795d2608bSFrank Schaefer 1948aa929ad7SMauro Carvalho Chehab em28xx_info("Closing video extension"); 1949aa929ad7SMauro Carvalho Chehab 1950ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1951ebbfbc20SMauro Carvalho Chehab 195295d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19535ad10de6SFrank Schaefer 195423e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 195523e8642cSFrank Schaefer 1956ef74a0b9SFrank Schaefer if (v4l2->radio_dev) { 1957e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1958ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 1959ef74a0b9SFrank Schaefer video_unregister_device(v4l2->radio_dev); 19600c0d06caSMauro Carvalho Chehab } 1961ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) { 19620c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1963ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 1964ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vbi_dev); 19650c0d06caSMauro Carvalho Chehab } 1966ef74a0b9SFrank Schaefer if (v4l2->vdev) { 19670c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1968ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 1969ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vdev); 19700c0d06caSMauro Carvalho Chehab } 197101c28193SMauro Carvalho Chehab 1972abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 197395d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1974103f18a2SFrank Schaefer 19752c52a2fcSFrank Schaefer if (v4l2->clk) { 19762c52a2fcSFrank Schaefer v4l2_clk_unregister_fixed(v4l2->clk); 19772c52a2fcSFrank Schaefer v4l2->clk = NULL; 197825dd1652SFrank Schaefer } 197925dd1652SFrank Schaefer 198095d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 198195d2608bSFrank Schaefer 1982ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 198395d2608bSFrank Schaefer 198447677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 19855ad10de6SFrank Schaefer 198601c28193SMauro Carvalho Chehab return 0; 19870c0d06caSMauro Carvalho Chehab } 19880c0d06caSMauro Carvalho Chehab 1989a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 1990a61f6811SShuah Khan { 1991a61f6811SShuah Khan if (dev->is_audio_only) 1992a61f6811SShuah Khan return 0; 1993a61f6811SShuah Khan 1994a61f6811SShuah Khan if (!dev->has_video) 1995a61f6811SShuah Khan return 0; 1996a61f6811SShuah Khan 1997a61f6811SShuah Khan em28xx_info("Suspending video extension"); 1998a61f6811SShuah Khan em28xx_stop_urbs(dev); 1999a61f6811SShuah Khan return 0; 2000a61f6811SShuah Khan } 2001a61f6811SShuah Khan 2002a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2003a61f6811SShuah Khan { 2004a61f6811SShuah Khan if (dev->is_audio_only) 2005a61f6811SShuah Khan return 0; 2006a61f6811SShuah Khan 2007a61f6811SShuah Khan if (!dev->has_video) 2008a61f6811SShuah Khan return 0; 2009a61f6811SShuah Khan 2010a61f6811SShuah Khan em28xx_info("Resuming video extension"); 2011a61f6811SShuah Khan /* what do we do here */ 2012a61f6811SShuah Khan return 0; 2013a61f6811SShuah Khan } 2014a61f6811SShuah Khan 20150c0d06caSMauro Carvalho Chehab /* 20160c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20170c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20180c0d06caSMauro Carvalho Chehab * calls and ioctls 20190c0d06caSMauro Carvalho Chehab */ 20200c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20210c0d06caSMauro Carvalho Chehab { 20220c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20230c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 202495d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20250c0d06caSMauro Carvalho Chehab int errCode; 20260c0d06caSMauro Carvalho Chehab 20270c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20280c0d06caSMauro Carvalho Chehab 2029d3829fadSDevin Heitmueller vb2_fop_release(filp); 203098c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20310c0d06caSMauro Carvalho Chehab 20320c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 203347677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 203447677e51SMauro Carvalho Chehab if (dev->disconnected) 203501c28193SMauro Carvalho Chehab goto exit; 20360c0d06caSMauro Carvalho Chehab 20370c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 203895d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20390c0d06caSMauro Carvalho Chehab 20400c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20410c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20420c0d06caSMauro Carvalho Chehab 20430c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20440c0d06caSMauro Carvalho Chehab dev->alt = 0; 20450c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20460c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20470c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20480c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20490c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20500c0d06caSMauro Carvalho Chehab } 20510c0d06caSMauro Carvalho Chehab } 20520c0d06caSMauro Carvalho Chehab 205301c28193SMauro Carvalho Chehab exit: 205495d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20550c0d06caSMauro Carvalho Chehab dev->users--; 20560c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 205747677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 205847677e51SMauro Carvalho Chehab 20590c0d06caSMauro Carvalho Chehab return 0; 20600c0d06caSMauro Carvalho Chehab } 20610c0d06caSMauro Carvalho Chehab 20620c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20630c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20640c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20650c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2066d3829fadSDevin Heitmueller .read = vb2_fop_read, 2067d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2068d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20690c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20700c0d06caSMauro Carvalho Chehab }; 20710c0d06caSMauro Carvalho Chehab 20720c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20730c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20740c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20750c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20760c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 20770c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 20780c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20792a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2080aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20810c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 20820c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 20830c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 20840c0d06caSMauro Carvalho Chehab 2085d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2086d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2087d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2088d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2089d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2090d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2091d3829fadSDevin Heitmueller 20920c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 20930c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 20940c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 20950c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 20960c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 20970c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 20980c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 20990c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2100d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2101d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21020c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21030c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21040c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21050c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 210650fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 210750fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21080c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 210996b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21100c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21110c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21120c0d06caSMauro Carvalho Chehab #endif 21130c0d06caSMauro Carvalho Chehab }; 21140c0d06caSMauro Carvalho Chehab 21150c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21160c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21170c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2118ef74a0b9SFrank Schaefer .release = video_device_release, 21190c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21200c0d06caSMauro Carvalho Chehab }; 21210c0d06caSMauro Carvalho Chehab 21220c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21230c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21240c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21250c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21260c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21270c0d06caSMauro Carvalho Chehab }; 21280c0d06caSMauro Carvalho Chehab 21290c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2130a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21310c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21320c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21330c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21340c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 213550fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 213650fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21370c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2138430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21390c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21400c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21410c0d06caSMauro Carvalho Chehab #endif 21420c0d06caSMauro Carvalho Chehab }; 21430c0d06caSMauro Carvalho Chehab 21440c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21450c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21460c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2147ef74a0b9SFrank Schaefer .release = video_device_release, 21480c0d06caSMauro Carvalho Chehab }; 21490c0d06caSMauro Carvalho Chehab 2150b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2151b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2152b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2153b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2154b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2155b64f8e9aSMauro Carvalho Chehab 2156b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2157b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2158b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2159b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2160b64f8e9aSMauro Carvalho Chehab }; 2161b64f8e9aSMauro Carvalho Chehab 2162b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2163b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2164b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2165b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2166b64f8e9aSMauro Carvalho Chehab }; 2167b64f8e9aSMauro Carvalho Chehab 21680c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21690c0d06caSMauro Carvalho Chehab 21700c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 21710c0d06caSMauro Carvalho Chehab const struct video_device *template, 21720c0d06caSMauro Carvalho Chehab const char *type_name) 21730c0d06caSMauro Carvalho Chehab { 21740c0d06caSMauro Carvalho Chehab struct video_device *vfd; 21750c0d06caSMauro Carvalho Chehab 21760c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 21770c0d06caSMauro Carvalho Chehab if (NULL == vfd) 21780c0d06caSMauro Carvalho Chehab return NULL; 21790c0d06caSMauro Carvalho Chehab 21800c0d06caSMauro Carvalho Chehab *vfd = *template; 218195d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 21820c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 21830c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 218469a61642SHans Verkuil set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); 2185d8c95c08SHans Verkuil if (dev->board.is_webcam) 2186d8c95c08SHans Verkuil vfd->tvnorms = 0; 21870c0d06caSMauro Carvalho Chehab 21880c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 21890c0d06caSMauro Carvalho Chehab dev->name, type_name); 21900c0d06caSMauro Carvalho Chehab 21910c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 21920c0d06caSMauro Carvalho Chehab return vfd; 21930c0d06caSMauro Carvalho Chehab } 21940c0d06caSMauro Carvalho Chehab 219501c28193SMauro Carvalho Chehab static void em28xx_tuner_setup(struct em28xx *dev) 21960560f337SMauro Carvalho Chehab { 219795d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 21980560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 21990560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22000560f337SMauro Carvalho Chehab 22010560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_ABSENT) 22020560f337SMauro Carvalho Chehab return; 22030560f337SMauro Carvalho Chehab 22040560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22050560f337SMauro Carvalho Chehab 22060560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22070560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22080560f337SMauro Carvalho Chehab 22090560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22100560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22110560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22120560f337SMauro Carvalho Chehab 221395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 221495d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22150560f337SMauro Carvalho Chehab } 22160560f337SMauro Carvalho Chehab 22170560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22180560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22190560f337SMauro Carvalho Chehab tun_setup.addr = dev->tuner_addr; 22200560f337SMauro Carvalho Chehab 222195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 222295d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22230560f337SMauro Carvalho Chehab } 22240560f337SMauro Carvalho Chehab 22250560f337SMauro Carvalho Chehab if (dev->tda9887_conf) { 22260560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22270560f337SMauro Carvalho Chehab 22280560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22290560f337SMauro Carvalho Chehab tda9887_cfg.priv = &dev->tda9887_conf; 22300560f337SMauro Carvalho Chehab 223195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223295d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22330560f337SMauro Carvalho Chehab } 22340560f337SMauro Carvalho Chehab 22350560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22360560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22370560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22380560f337SMauro Carvalho Chehab 22390560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22400560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22410560f337SMauro Carvalho Chehab 22420560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22430560f337SMauro Carvalho Chehab 22440560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22450560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22460560f337SMauro Carvalho Chehab 224795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22480560f337SMauro Carvalho Chehab } 22490560f337SMauro Carvalho Chehab 22500560f337SMauro Carvalho Chehab /* configure tuner */ 22510560f337SMauro Carvalho Chehab f.tuner = 0; 22520560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22530560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22540560f337SMauro Carvalho Chehab dev->ctl_freq = f.frequency; 225595d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22560560f337SMauro Carvalho Chehab } 22570560f337SMauro Carvalho Chehab 225801c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22590c0d06caSMauro Carvalho Chehab { 22600c0d06caSMauro Carvalho Chehab u8 val; 22610c0d06caSMauro Carvalho Chehab int ret; 22620c0d06caSMauro Carvalho Chehab unsigned int maxw; 2263abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 226495d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2265b64f8e9aSMauro Carvalho Chehab 2266822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2267822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2268822b8deaSMauro Carvalho Chehab return 0; 2269822b8deaSMauro Carvalho Chehab } 2270822b8deaSMauro Carvalho Chehab 227101c28193SMauro Carvalho Chehab if (!dev->has_video) { 2272b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2273b64f8e9aSMauro Carvalho Chehab return 0; 2274b64f8e9aSMauro Carvalho Chehab } 22750c0d06caSMauro Carvalho Chehab 22769634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 22770c0d06caSMauro Carvalho Chehab 227801c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 227901c28193SMauro Carvalho Chehab 228095d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 228195d2608bSFrank Schaefer if (v4l2 == NULL) { 228295d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 228395d2608bSFrank Schaefer mutex_unlock(&dev->lock); 228495d2608bSFrank Schaefer return -ENOMEM; 228595d2608bSFrank Schaefer } 228695d2608bSFrank Schaefer kref_init(&v4l2->ref); 2287abc1308fSFrank Schaefer v4l2->dev = dev; 228895d2608bSFrank Schaefer dev->v4l2 = v4l2; 228995d2608bSFrank Schaefer 229095d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2291b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2292b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2293b64f8e9aSMauro Carvalho Chehab goto err; 2294b64f8e9aSMauro Carvalho Chehab } 2295b64f8e9aSMauro Carvalho Chehab 2296abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2297b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 229895d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2299b64f8e9aSMauro Carvalho Chehab 2300b64f8e9aSMauro Carvalho Chehab /* 2301b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2302b64f8e9aSMauro Carvalho Chehab */ 2303b64f8e9aSMauro Carvalho Chehab dev->vinmode = 0x10; 2304b64f8e9aSMauro Carvalho Chehab dev->vinctl = EM28XX_VINCTRL_INTERLACED | 2305b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2306b64f8e9aSMauro Carvalho Chehab 2307b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2308b64f8e9aSMauro Carvalho Chehab 2309b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 231095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 231195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2312b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2313b64f8e9aSMauro Carvalho Chehab 2314b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 231595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 231695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2317b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2318b64f8e9aSMauro Carvalho Chehab 2319b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 232095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2322b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2323b64f8e9aSMauro Carvalho Chehab 2324b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 232595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2327b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2328b64f8e9aSMauro Carvalho Chehab 2329b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2330b64f8e9aSMauro Carvalho Chehab 2331b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 2332b64f8e9aSMauro Carvalho Chehab int has_demod = (dev->tda9887_conf & TDA9887_PRESENT); 2333b64f8e9aSMauro Carvalho Chehab 2334b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 233595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2337b64f8e9aSMauro Carvalho Chehab "tuner", dev->board.radio_addr, NULL); 2338b64f8e9aSMauro Carvalho Chehab 2339b64f8e9aSMauro Carvalho Chehab if (has_demod) 234095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2341b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2342b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 2343b64f8e9aSMauro Carvalho Chehab if (dev->tuner_addr == 0) { 2344b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2345b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2346b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2347b64f8e9aSMauro Carvalho Chehab 234895d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2349b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2350b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(type)); 2351b64f8e9aSMauro Carvalho Chehab 2352b64f8e9aSMauro Carvalho Chehab if (sd) 2353b64f8e9aSMauro Carvalho Chehab dev->tuner_addr = v4l2_i2c_subdev_addr(sd); 2354b64f8e9aSMauro Carvalho Chehab } else { 235595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 235695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2357b64f8e9aSMauro Carvalho Chehab "tuner", dev->tuner_addr, NULL); 2358b64f8e9aSMauro Carvalho Chehab } 2359b64f8e9aSMauro Carvalho Chehab } 2360b64f8e9aSMauro Carvalho Chehab 2361b64f8e9aSMauro Carvalho Chehab em28xx_tuner_setup(dev); 2362d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2363b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2364b64f8e9aSMauro Carvalho Chehab 2365b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2366b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2367b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2368b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2369b64f8e9aSMauro Carvalho Chehab __func__, ret); 2370b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2371b64f8e9aSMauro Carvalho Chehab } 2372b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2373b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2374b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2375b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2376b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2377b64f8e9aSMauro Carvalho Chehab } else { 2378b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2379b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2380b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2381b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2382b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2383b64f8e9aSMauro Carvalho Chehab } 2384b64f8e9aSMauro Carvalho Chehab 2385b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2386b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2387b64f8e9aSMauro Carvalho Chehab 2388b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2389b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2390b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2391b64f8e9aSMauro Carvalho Chehab 2392b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2393b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2394b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2395b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2396b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2397b64f8e9aSMauro Carvalho Chehab __func__, ret); 2398b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2399b64f8e9aSMauro Carvalho Chehab } 2400b64f8e9aSMauro Carvalho Chehab msleep(3); 2401b64f8e9aSMauro Carvalho Chehab 2402b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2403b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2404b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2405b64f8e9aSMauro Carvalho Chehab __func__, ret); 2406b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2407b64f8e9aSMauro Carvalho Chehab } 2408b64f8e9aSMauro Carvalho Chehab msleep(3); 2409b64f8e9aSMauro Carvalho Chehab } 2410b64f8e9aSMauro Carvalho Chehab 24110c0d06caSMauro Carvalho Chehab /* set default norm */ 2412d8c95c08SHans Verkuil dev->norm = V4L2_STD_PAL; 241395d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, dev->norm); 24140c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 24150c0d06caSMauro Carvalho Chehab 24160c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 24170c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 24180c0d06caSMauro Carvalho Chehab 24190c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24200c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24210c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24220c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24230c0d06caSMauro Carvalho Chehab maxw /= 2; 24240c0d06caSMauro Carvalho Chehab 24250c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24260c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24270c0d06caSMauro Carvalho Chehab 24280c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24290c0d06caSMauro Carvalho Chehab 24300c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24310c0d06caSMauro Carvalho Chehab dev->mute = 1; 24320c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24330c0d06caSMauro Carvalho Chehab 24340c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24350c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24360c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24370c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24380c0d06caSMauro Carvalho Chehab 24390c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24400c0d06caSMauro Carvalho Chehab 24418f8b113aSFrank Schaefer /* Add image controls */ 24428f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24438f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2444ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2445ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24468f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24478f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2448ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2449ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24508f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24518f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2452ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2453ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24548f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24558f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2456ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2457ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24588f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24598f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2460ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2461ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24628f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24638f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2464ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2465ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24668f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24678f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24688f8b113aSFrank Schaefer 24698f8b113aSFrank Schaefer /* Reset image controls */ 24708f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2471ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2472ad298055SFrank Schaefer ret = hdl->error; 2473b64f8e9aSMauro Carvalho Chehab if (ret) 2474b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24758f8b113aSFrank Schaefer 24760c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2477ef74a0b9SFrank Schaefer v4l2->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 2478ef74a0b9SFrank Schaefer if (!v4l2->vdev) { 24790c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2480b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2481b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24820c0d06caSMauro Carvalho Chehab } 248327a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 248427a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 248527a36df6SFrank Schaefer v4l2->vdev->queue = &v4l2->vb_vidq; 248627a36df6SFrank Schaefer v4l2->vdev->queue->lock = &v4l2->vb_queue_lock; 24870c0d06caSMauro Carvalho Chehab 24886e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 24896e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2490ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_QUERYSTD); 2491ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_STD); 2492ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_STD); 24933bc85cceSFrank Schaefer } else { 2494ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 24956e46dabaSFrank Schaefer } 249666df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2497ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_TUNER); 2498ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_TUNER); 2499ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_FREQUENCY); 2500ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_FREQUENCY); 250166df67b7SFrank Schaefer } 2502c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2503ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_AUDIO); 2504ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_AUDIO); 2505c2dcef83SFrank Schaefer } 25066e46dabaSFrank Schaefer 25070c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2508ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vdev, VFL_TYPE_GRABBER, 25090c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25100c0d06caSMauro Carvalho Chehab if (ret) { 25110c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25120c0d06caSMauro Carvalho Chehab ret); 2513b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25140c0d06caSMauro Carvalho Chehab } 25150c0d06caSMauro Carvalho Chehab 25160c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25170c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2518ef74a0b9SFrank Schaefer v4l2->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 25190c0d06caSMauro Carvalho Chehab "vbi"); 25200c0d06caSMauro Carvalho Chehab 252127a36df6SFrank Schaefer v4l2->vbi_dev->queue = &v4l2->vb_vbiq; 252227a36df6SFrank Schaefer v4l2->vbi_dev->queue->lock = &v4l2->vb_vbi_queue_lock; 2523d3829fadSDevin Heitmueller 252466df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2525ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 252666df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2527ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_TUNER); 2528ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_TUNER); 2529ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2530ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 253166df67b7SFrank Schaefer } 2532c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2533ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_AUDIO); 2534ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_AUDIO); 2535c2dcef83SFrank Schaefer } 253666df67b7SFrank Schaefer 25370c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2538ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vbi_dev, VFL_TYPE_VBI, 25390c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25400c0d06caSMauro Carvalho Chehab if (ret < 0) { 25410c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2542b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25430c0d06caSMauro Carvalho Chehab } 25440c0d06caSMauro Carvalho Chehab } 25450c0d06caSMauro Carvalho Chehab 25460c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2547ef74a0b9SFrank Schaefer v4l2->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 25480c0d06caSMauro Carvalho Chehab "radio"); 2549ef74a0b9SFrank Schaefer if (!v4l2->radio_dev) { 25500c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2551b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2552b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25530c0d06caSMauro Carvalho Chehab } 2554ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->radio_dev, VFL_TYPE_RADIO, 25550c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25560c0d06caSMauro Carvalho Chehab if (ret < 0) { 25570c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2558b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25590c0d06caSMauro Carvalho Chehab } 25600c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 2561ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 25620c0d06caSMauro Carvalho Chehab } 25630c0d06caSMauro Carvalho Chehab 25640c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 2565ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 25660c0d06caSMauro Carvalho Chehab 2567ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 25680c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 2569ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 25700c0d06caSMauro Carvalho Chehab 2571b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 257295d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2573b64f8e9aSMauro Carvalho Chehab 2574b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2575b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2576b64f8e9aSMauro Carvalho Chehab 25779634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 25789634614fSMauro Carvalho Chehab 257947677e51SMauro Carvalho Chehab kref_get(&dev->ref); 258047677e51SMauro Carvalho Chehab 258101c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 25820c0d06caSMauro Carvalho Chehab return 0; 2583b64f8e9aSMauro Carvalho Chehab 2584b64f8e9aSMauro Carvalho Chehab unregister_dev: 2585abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 258695d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2587b64f8e9aSMauro Carvalho Chehab err: 258895d2608bSFrank Schaefer dev->v4l2 = NULL; 258995d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 259001c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2591b64f8e9aSMauro Carvalho Chehab return ret; 25920c0d06caSMauro Carvalho Chehab } 259301c28193SMauro Carvalho Chehab 259401c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 259501c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 259601c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 259701c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 259801c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2599a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2600a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 260101c28193SMauro Carvalho Chehab }; 260201c28193SMauro Carvalho Chehab 260301c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 260401c28193SMauro Carvalho Chehab { 260501c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 260601c28193SMauro Carvalho Chehab } 260701c28193SMauro Carvalho Chehab 260801c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 260901c28193SMauro Carvalho Chehab { 261001c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 261101c28193SMauro Carvalho Chehab } 261201c28193SMauro Carvalho Chehab 261301c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 261401c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2615