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; 1048d3829fadSDevin Heitmueller 1049d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 1050d3829fadSDevin Heitmueller q = &dev->vb_vidq; 1051d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1052ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1053ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1054d3829fadSDevin Heitmueller q->drv_priv = dev; 1055d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1056d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1057d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1058d3829fadSDevin Heitmueller 1059d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1060d3829fadSDevin Heitmueller if (rc < 0) 1061d3829fadSDevin Heitmueller return rc; 1062d3829fadSDevin Heitmueller 1063d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 1064d3829fadSDevin Heitmueller q = &dev->vb_vbiq; 1065d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1066d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1067ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1068d3829fadSDevin Heitmueller q->drv_priv = dev; 1069d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1070d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1071d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1072d3829fadSDevin Heitmueller 1073d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1074d3829fadSDevin Heitmueller if (rc < 0) 1075d3829fadSDevin Heitmueller return rc; 1076d3829fadSDevin Heitmueller 1077d3829fadSDevin Heitmueller return 0; 1078d3829fadSDevin Heitmueller } 1079d3829fadSDevin Heitmueller 10800c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 10810c0d06caSMauro Carvalho Chehab 10820c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 10830c0d06caSMauro Carvalho Chehab { 108495d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 10850c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 10860c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 10870c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 10880c0d06caSMauro Carvalho Chehab 10890c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 10900c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 10910c0d06caSMauro Carvalho Chehab 109295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 10930c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 10940c0d06caSMauro Carvalho Chehab 10950c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 10960c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 109795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 10980c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 10990c0d06caSMauro Carvalho Chehab } 11000c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 110195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11020c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11030c0d06caSMauro Carvalho Chehab } 11040c0d06caSMauro Carvalho Chehab 11050c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 110695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11070c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11080c0d06caSMauro Carvalho Chehab } 11090c0d06caSMauro Carvalho Chehab 11100c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11110c0d06caSMauro Carvalho Chehab } 11120c0d06caSMauro Carvalho Chehab 111301c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11140c0d06caSMauro Carvalho Chehab { 1115081b945eSHans Verkuil struct em28xx *dev = priv; 11160c0d06caSMauro Carvalho Chehab 11170c0d06caSMauro Carvalho Chehab /* 1118081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1119081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1120081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1121081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11220c0d06caSMauro Carvalho Chehab */ 11230c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11240c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1125081b945eSHans Verkuil dev->mute = ctrl->val; 1126081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11270c0d06caSMauro Carvalho Chehab break; 11280c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1129081b945eSHans Verkuil dev->volume = ctrl->val; 1130081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1131081b945eSHans Verkuil break; 1132081b945eSHans Verkuil } 1133081b945eSHans Verkuil } 1134081b945eSHans Verkuil 1135081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1136081b945eSHans Verkuil { 1137abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1138abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1139abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11408f8b113aSFrank Schaefer int ret = -EINVAL; 1141081b945eSHans Verkuil 1142081b945eSHans Verkuil switch (ctrl->id) { 1143081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1144081b945eSHans Verkuil dev->mute = ctrl->val; 11458f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1146081b945eSHans Verkuil break; 1147081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1148081b945eSHans Verkuil dev->volume = ctrl->val; 11498f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11508f8b113aSFrank Schaefer break; 11518f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11528f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11538f8b113aSFrank Schaefer break; 11548f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11558f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11568f8b113aSFrank Schaefer break; 11578f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11588f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11598f8b113aSFrank Schaefer break; 11608f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11618f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11628f8b113aSFrank Schaefer break; 11638f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11648f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 11658f8b113aSFrank Schaefer break; 11668f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 11678f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 11680c0d06caSMauro Carvalho Chehab break; 11690c0d06caSMauro Carvalho Chehab } 11700c0d06caSMauro Carvalho Chehab 11718f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 11720c0d06caSMauro Carvalho Chehab } 11730c0d06caSMauro Carvalho Chehab 11748068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1175081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1176081b945eSHans Verkuil }; 1177081b945eSHans Verkuil 11786b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 11790c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 11800c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 11810c0d06caSMauro Carvalho Chehab { 11820c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 11830c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 11840c0d06caSMauro Carvalho Chehab 11850c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 118681685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 118781685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 11880c0d06caSMauro Carvalho Chehab 11890c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 119081685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 119181685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 11920c0d06caSMauro Carvalho Chehab } 11930c0d06caSMauro Carvalho Chehab 1194b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1195b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1196b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1197b8374138SFrank Schaefer { 1198b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1199b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1200b8374138SFrank Schaefer 1201b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1202b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1203b8374138SFrank Schaefer } 1204b8374138SFrank Schaefer 12050c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12060c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12070c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12080c0d06caSMauro Carvalho Chehab 12090c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12100c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12110c0d06caSMauro Carvalho Chehab { 12120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12140c0d06caSMauro Carvalho Chehab 12150c0d06caSMauro Carvalho Chehab f->fmt.pix.width = dev->width; 12160c0d06caSMauro Carvalho Chehab f->fmt.pix.height = dev->height; 12170c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = dev->format->fourcc; 12180c0d06caSMauro Carvalho Chehab f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; 12190c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; 12200c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12210c0d06caSMauro Carvalho Chehab 12220c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 12230c0d06caSMauro Carvalho Chehab if (dev->progressive) 12240c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12250c0d06caSMauro Carvalho Chehab else 12260c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 12270c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12280c0d06caSMauro Carvalho Chehab return 0; 12290c0d06caSMauro Carvalho Chehab } 12300c0d06caSMauro Carvalho Chehab 12310c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12320c0d06caSMauro Carvalho Chehab { 12330c0d06caSMauro Carvalho Chehab unsigned int i; 12340c0d06caSMauro Carvalho Chehab 12350c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12360c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12370c0d06caSMauro Carvalho Chehab return &format[i]; 12380c0d06caSMauro Carvalho Chehab 12390c0d06caSMauro Carvalho Chehab return NULL; 12400c0d06caSMauro Carvalho Chehab } 12410c0d06caSMauro Carvalho Chehab 12420c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12430c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12440c0d06caSMauro Carvalho Chehab { 12450c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12460c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 12470c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12480c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12490c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12500c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12510c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12520c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12530c0d06caSMauro Carvalho Chehab 12540c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12550c0d06caSMauro Carvalho Chehab if (!fmt) { 12560c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12570c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12580c0d06caSMauro Carvalho Chehab return -EINVAL; 12590c0d06caSMauro Carvalho Chehab } 12600c0d06caSMauro Carvalho Chehab 12610c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12620c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12630c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12640c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1265d3829fadSDevin Heitmueller /* 1266d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1267d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1268d3829fadSDevin Heitmueller * to 50% 1269d3829fadSDevin Heitmueller */ 12700c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 12710c0d06caSMauro Carvalho Chehab width /= 2; 12720c0d06caSMauro Carvalho Chehab } else { 12730c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 12740c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 12750c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 12760c0d06caSMauro Carvalho Chehab 1, 0); 12770c0d06caSMauro Carvalho Chehab } 12780c0d06caSMauro Carvalho Chehab 12796b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 128046f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 12810c0d06caSMauro Carvalho Chehab 12820c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 12830c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 12840c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1285e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 12860c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 12870c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12880c0d06caSMauro Carvalho Chehab if (dev->progressive) 12890c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12900c0d06caSMauro Carvalho Chehab else 12910c0d06caSMauro Carvalho Chehab f->fmt.pix.field = dev->interlaced ? 12920c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 129351dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 12940c0d06caSMauro Carvalho Chehab 12950c0d06caSMauro Carvalho Chehab return 0; 12960c0d06caSMauro Carvalho Chehab } 12970c0d06caSMauro Carvalho Chehab 12980c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 12990c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13000c0d06caSMauro Carvalho Chehab { 13010c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 13020c0d06caSMauro Carvalho Chehab 13030c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13040c0d06caSMauro Carvalho Chehab if (!fmt) 13050c0d06caSMauro Carvalho Chehab return -EINVAL; 13060c0d06caSMauro Carvalho Chehab 13070c0d06caSMauro Carvalho Chehab dev->format = fmt; 13080c0d06caSMauro Carvalho Chehab dev->width = width; 13090c0d06caSMauro Carvalho Chehab dev->height = height; 13100c0d06caSMauro Carvalho Chehab 13110c0d06caSMauro Carvalho Chehab /* set new image size */ 13126b09a21cSFrank Schaefer size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 13130c0d06caSMauro Carvalho Chehab 13140c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13150c0d06caSMauro Carvalho Chehab 13160c0d06caSMauro Carvalho Chehab return 0; 13170c0d06caSMauro Carvalho Chehab } 13180c0d06caSMauro Carvalho Chehab 13190c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13200c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13210c0d06caSMauro Carvalho Chehab { 1322d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13230c0d06caSMauro Carvalho Chehab 1324d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1325d3829fadSDevin Heitmueller return -EBUSY; 13260c0d06caSMauro Carvalho Chehab 13270c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13280c0d06caSMauro Carvalho Chehab 13290c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13300c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13310c0d06caSMauro Carvalho Chehab } 13320c0d06caSMauro Carvalho Chehab 13330c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13340c0d06caSMauro Carvalho Chehab { 13350c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13360c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13370c0d06caSMauro Carvalho Chehab 13380c0d06caSMauro Carvalho Chehab *norm = dev->norm; 13390c0d06caSMauro Carvalho Chehab 13400c0d06caSMauro Carvalho Chehab return 0; 13410c0d06caSMauro Carvalho Chehab } 13420c0d06caSMauro Carvalho Chehab 13430c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13440c0d06caSMauro Carvalho Chehab { 13450c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13460c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13470c0d06caSMauro Carvalho Chehab 134895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13490c0d06caSMauro Carvalho Chehab 13500c0d06caSMauro Carvalho Chehab return 0; 13510c0d06caSMauro Carvalho Chehab } 13520c0d06caSMauro Carvalho Chehab 1353314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13540c0d06caSMauro Carvalho Chehab { 13550c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13560c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13570c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13580c0d06caSMauro Carvalho Chehab 1359314527acSHans Verkuil if (norm == dev->norm) 1360d8c95c08SHans Verkuil return 0; 13610c0d06caSMauro Carvalho Chehab 1362d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1363d8c95c08SHans Verkuil return -EBUSY; 1364d8c95c08SHans Verkuil 1365314527acSHans Verkuil dev->norm = norm; 13660c0d06caSMauro Carvalho Chehab 13670c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1368d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1369314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 13700c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 13710c0d06caSMauro Carvalho Chehab 13720c0d06caSMauro Carvalho Chehab /* set new image size */ 13730c0d06caSMauro Carvalho Chehab dev->width = f.fmt.pix.width; 13740c0d06caSMauro Carvalho Chehab dev->height = f.fmt.pix.height; 13756b09a21cSFrank Schaefer size_to_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); 13760c0d06caSMauro Carvalho Chehab 13770c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 137895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, core, s_std, dev->norm); 13790c0d06caSMauro Carvalho Chehab 13800c0d06caSMauro Carvalho Chehab return 0; 13810c0d06caSMauro Carvalho Chehab } 13820c0d06caSMauro Carvalho Chehab 13830c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 13840c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 13850c0d06caSMauro Carvalho Chehab { 13860c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13870c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13880c0d06caSMauro Carvalho Chehab int rc = 0; 13890c0d06caSMauro Carvalho Chehab 139086ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 13910c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 139295d2608bSFrank Schaefer rc = v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 0, 13930c0d06caSMauro Carvalho Chehab video, g_parm, p); 13940c0d06caSMauro Carvalho Chehab else 13950c0d06caSMauro Carvalho Chehab v4l2_video_std_frame_period(dev->norm, 13960c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 13970c0d06caSMauro Carvalho Chehab 13980c0d06caSMauro Carvalho Chehab return rc; 13990c0d06caSMauro Carvalho Chehab } 14000c0d06caSMauro Carvalho Chehab 14010c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14020c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14030c0d06caSMauro Carvalho Chehab { 14040c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14050c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14060c0d06caSMauro Carvalho Chehab 140786ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 140895d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 140995d2608bSFrank Schaefer 0, video, s_parm, p); 14100c0d06caSMauro Carvalho Chehab } 14110c0d06caSMauro Carvalho Chehab 14120c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14130c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14140c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14150c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14160c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14170c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14180c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14190c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14200c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14210c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14220c0d06caSMauro Carvalho Chehab }; 14230c0d06caSMauro Carvalho Chehab 14240c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14250c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14260c0d06caSMauro Carvalho Chehab { 14270c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14280c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14290c0d06caSMauro Carvalho Chehab unsigned int n; 14300c0d06caSMauro Carvalho Chehab 14310c0d06caSMauro Carvalho Chehab n = i->index; 14320c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14330c0d06caSMauro Carvalho Chehab return -EINVAL; 14340c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14350c0d06caSMauro Carvalho Chehab return -EINVAL; 14360c0d06caSMauro Carvalho Chehab 14370c0d06caSMauro Carvalho Chehab i->index = n; 14380c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14390c0d06caSMauro Carvalho Chehab 14400c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14410c0d06caSMauro Carvalho Chehab 14420c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14430c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14440c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14450c0d06caSMauro Carvalho Chehab 14460c0d06caSMauro Carvalho Chehab i->std = dev->vdev->tvnorms; 1447d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1448d8c95c08SHans Verkuil if (dev->board.is_webcam) 1449d8c95c08SHans Verkuil i->capabilities = 0; 14500c0d06caSMauro Carvalho Chehab 14510c0d06caSMauro Carvalho Chehab return 0; 14520c0d06caSMauro Carvalho Chehab } 14530c0d06caSMauro Carvalho Chehab 14540c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14550c0d06caSMauro Carvalho Chehab { 14560c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14570c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14580c0d06caSMauro Carvalho Chehab 14590c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14600c0d06caSMauro Carvalho Chehab 14610c0d06caSMauro Carvalho Chehab return 0; 14620c0d06caSMauro Carvalho Chehab } 14630c0d06caSMauro Carvalho Chehab 14640c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14650c0d06caSMauro Carvalho Chehab { 14660c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14670c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14680c0d06caSMauro Carvalho Chehab 14690c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 14700c0d06caSMauro Carvalho Chehab return -EINVAL; 14710c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 14720c0d06caSMauro Carvalho Chehab return -EINVAL; 14730c0d06caSMauro Carvalho Chehab 14740c0d06caSMauro Carvalho Chehab video_mux(dev, i); 14750c0d06caSMauro Carvalho Chehab return 0; 14760c0d06caSMauro Carvalho Chehab } 14770c0d06caSMauro Carvalho Chehab 14780c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 14790c0d06caSMauro Carvalho Chehab { 14800c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14810c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14820c0d06caSMauro Carvalho Chehab 14830c0d06caSMauro Carvalho Chehab switch (a->index) { 14840c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 14850c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 14860c0d06caSMauro Carvalho Chehab break; 14870c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 14880c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 14890c0d06caSMauro Carvalho Chehab break; 14900c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 14910c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 14920c0d06caSMauro Carvalho Chehab break; 14930c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 14940c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 14950c0d06caSMauro Carvalho Chehab break; 14960c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 14970c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 14980c0d06caSMauro Carvalho Chehab break; 14990c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15000c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15010c0d06caSMauro Carvalho Chehab break; 15020c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15030c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15040c0d06caSMauro Carvalho Chehab break; 15050c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15060c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15070c0d06caSMauro Carvalho Chehab break; 15080c0d06caSMauro Carvalho Chehab default: 15090c0d06caSMauro Carvalho Chehab return -EINVAL; 15100c0d06caSMauro Carvalho Chehab } 15110c0d06caSMauro Carvalho Chehab 15120c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15130c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab return 0; 15160c0d06caSMauro Carvalho Chehab } 15170c0d06caSMauro Carvalho Chehab 15180e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15190c0d06caSMauro Carvalho Chehab { 15200c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15210c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15220c0d06caSMauro Carvalho Chehab 15230c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15240c0d06caSMauro Carvalho Chehab return -EINVAL; 15250c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15260c0d06caSMauro Carvalho Chehab return -EINVAL; 15270c0d06caSMauro Carvalho Chehab 15280c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15290c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15300c0d06caSMauro Carvalho Chehab 15310c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15320c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15330c0d06caSMauro Carvalho Chehab 15340c0d06caSMauro Carvalho Chehab return 0; 15350c0d06caSMauro Carvalho Chehab } 15360c0d06caSMauro Carvalho Chehab 15370c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15380c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15390c0d06caSMauro Carvalho Chehab { 15400c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15410c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15420c0d06caSMauro Carvalho Chehab 15430c0d06caSMauro Carvalho Chehab if (0 != t->index) 15440c0d06caSMauro Carvalho Chehab return -EINVAL; 15450c0d06caSMauro Carvalho Chehab 15460c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15470c0d06caSMauro Carvalho Chehab 154895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15490c0d06caSMauro Carvalho Chehab return 0; 15500c0d06caSMauro Carvalho Chehab } 15510c0d06caSMauro Carvalho Chehab 15520c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15532f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15540c0d06caSMauro Carvalho Chehab { 15550c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15560c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15570c0d06caSMauro Carvalho Chehab 15580c0d06caSMauro Carvalho Chehab if (0 != t->index) 15590c0d06caSMauro Carvalho Chehab return -EINVAL; 15600c0d06caSMauro Carvalho Chehab 156195d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15620c0d06caSMauro Carvalho Chehab return 0; 15630c0d06caSMauro Carvalho Chehab } 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15660c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15670c0d06caSMauro Carvalho Chehab { 15680c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15690c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15700c0d06caSMauro Carvalho Chehab 157120deebfeSHans Verkuil if (0 != f->tuner) 157220deebfeSHans Verkuil return -EINVAL; 157320deebfeSHans Verkuil 15740c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15750c0d06caSMauro Carvalho Chehab return 0; 15760c0d06caSMauro Carvalho Chehab } 15770c0d06caSMauro Carvalho Chehab 15780c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1579b530a447SHans Verkuil const struct v4l2_frequency *f) 15800c0d06caSMauro Carvalho Chehab { 1581b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 15820c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15830c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 158495d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15850c0d06caSMauro Carvalho Chehab 15860c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 15870c0d06caSMauro Carvalho Chehab return -EINVAL; 15880c0d06caSMauro Carvalho Chehab 158995d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 159095d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 1591b530a447SHans Verkuil dev->ctl_freq = new_freq.frequency; 15920c0d06caSMauro Carvalho Chehab 15930c0d06caSMauro Carvalho Chehab return 0; 15940c0d06caSMauro Carvalho Chehab } 15950c0d06caSMauro Carvalho Chehab 1596cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 159796b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 159896b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 15993b2d17b4SHans Verkuil { 16003b2d17b4SHans Verkuil struct em28xx_fh *fh = priv; 16013b2d17b4SHans Verkuil struct em28xx *dev = fh->dev; 16023b2d17b4SHans Verkuil 16033b2d17b4SHans Verkuil if (chip->match.addr > 1) 16043b2d17b4SHans Verkuil return -EINVAL; 16053b2d17b4SHans Verkuil if (chip->match.addr == 1) 16063b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16073b2d17b4SHans Verkuil else 160895d2608bSFrank Schaefer strlcpy(chip->name, 160995d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16103b2d17b4SHans Verkuil return 0; 16113b2d17b4SHans Verkuil } 16123b2d17b4SHans Verkuil 161335deba32SFrank Schaefer static int em28xx_reg_len(int reg) 161435deba32SFrank Schaefer { 161535deba32SFrank Schaefer switch (reg) { 161635deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 161735deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 161835deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 161935deba32SFrank Schaefer return 2; 162035deba32SFrank Schaefer default: 162135deba32SFrank Schaefer return 1; 162235deba32SFrank Schaefer } 162335deba32SFrank Schaefer } 16240c0d06caSMauro Carvalho Chehab 16250c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16260c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16270c0d06caSMauro Carvalho Chehab { 16280c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16290c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16300c0d06caSMauro Carvalho Chehab int ret; 16310c0d06caSMauro Carvalho Chehab 16323b2d17b4SHans Verkuil if (reg->match.addr > 1) 16333b2d17b4SHans Verkuil return -EINVAL; 1634abca2056SHans Verkuil if (reg->match.addr) { 16350c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16360c0d06caSMauro Carvalho Chehab if (ret < 0) 16370c0d06caSMauro Carvalho Chehab return ret; 16380c0d06caSMauro Carvalho Chehab 16390c0d06caSMauro Carvalho Chehab reg->val = ret; 16400c0d06caSMauro Carvalho Chehab reg->size = 1; 16410c0d06caSMauro Carvalho Chehab return 0; 16420c0d06caSMauro Carvalho Chehab } 16430c0d06caSMauro Carvalho Chehab 16440c0d06caSMauro Carvalho Chehab /* Match host */ 16450c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16460c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16470c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16480c0d06caSMauro Carvalho Chehab 16490c0d06caSMauro Carvalho Chehab if (ret < 0) 16500c0d06caSMauro Carvalho Chehab return ret; 16510c0d06caSMauro Carvalho Chehab 16520c0d06caSMauro Carvalho Chehab reg->val = ret; 16530c0d06caSMauro Carvalho Chehab } else { 16540c0d06caSMauro Carvalho Chehab __le16 val = 0; 165501c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16560c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16570c0d06caSMauro Carvalho Chehab if (ret < 0) 16580c0d06caSMauro Carvalho Chehab return ret; 16590c0d06caSMauro Carvalho Chehab 16600c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16610c0d06caSMauro Carvalho Chehab } 16620c0d06caSMauro Carvalho Chehab 16630c0d06caSMauro Carvalho Chehab return 0; 16640c0d06caSMauro Carvalho Chehab } 16650c0d06caSMauro Carvalho Chehab 16660c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1667977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16680c0d06caSMauro Carvalho Chehab { 16690c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16700c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16710c0d06caSMauro Carvalho Chehab __le16 buf; 16720c0d06caSMauro Carvalho Chehab 16733b2d17b4SHans Verkuil if (reg->match.addr > 1) 16743b2d17b4SHans Verkuil return -EINVAL; 1675abca2056SHans Verkuil if (reg->match.addr) 16760c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 16770c0d06caSMauro Carvalho Chehab 16780c0d06caSMauro Carvalho Chehab /* Match host */ 16790c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 16800c0d06caSMauro Carvalho Chehab 16810c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 16820c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 16830c0d06caSMauro Carvalho Chehab } 16840c0d06caSMauro Carvalho Chehab #endif 16850c0d06caSMauro Carvalho Chehab 16860c0d06caSMauro Carvalho Chehab 16870c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 16880c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 16890c0d06caSMauro Carvalho Chehab { 1690a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 16910c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16920c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16930c0d06caSMauro Carvalho Chehab 16940c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 16950c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 16960c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 16970c0d06caSMauro Carvalho Chehab 1698a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1699a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1700a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1701a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1702a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1703a9d79fe5SHans Verkuil else 17041d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 17050c0d06caSMauro Carvalho Chehab 17060c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 1707a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 17080c0d06caSMauro Carvalho Chehab 17090c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1710a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 17110c0d06caSMauro Carvalho Chehab 1712a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1713a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1714a9d79fe5SHans Verkuil if (dev->vbi_dev) 17151d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1716a9d79fe5SHans Verkuil if (dev->radio_dev) 1717a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 17180c0d06caSMauro Carvalho Chehab return 0; 17190c0d06caSMauro Carvalho Chehab } 17200c0d06caSMauro Carvalho Chehab 17210c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17220c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17230c0d06caSMauro Carvalho Chehab { 17240c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17250c0d06caSMauro Carvalho Chehab return -EINVAL; 17260c0d06caSMauro Carvalho Chehab 17270c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 17280c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 17290c0d06caSMauro Carvalho Chehab 17300c0d06caSMauro Carvalho Chehab return 0; 17310c0d06caSMauro Carvalho Chehab } 17320c0d06caSMauro Carvalho Chehab 17330c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 17340c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 17350c0d06caSMauro Carvalho Chehab { 17360c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17370c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17380c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17390c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17400c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17410c0d06caSMauro Carvalho Chehab 17420c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17430c0d06caSMauro Carvalho Chehab if (!fmt) { 17440c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17450c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17460c0d06caSMauro Carvalho Chehab return -EINVAL; 17470c0d06caSMauro Carvalho Chehab } 17480c0d06caSMauro Carvalho Chehab 17490c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17500c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17510c0d06caSMauro Carvalho Chehab return -EINVAL; 17520c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17530c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17540c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17550c0d06caSMauro Carvalho Chehab return 0; 17560c0d06caSMauro Carvalho Chehab } 17570c0d06caSMauro Carvalho Chehab 17580c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17590c0d06caSMauro Carvalho Chehab return -EINVAL; 17600c0d06caSMauro Carvalho Chehab 17610c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17620c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17636c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17646c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17656c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17660c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17676c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17686c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17690c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17700c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17710c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17720c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17730c0d06caSMauro Carvalho Chehab return 0; 17740c0d06caSMauro Carvalho Chehab } 17750c0d06caSMauro Carvalho Chehab 17760c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17770c0d06caSMauro Carvalho Chehab 17780c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 17790c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 17800c0d06caSMauro Carvalho Chehab { 17810c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17820c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17830c0d06caSMauro Carvalho Chehab 17840c0d06caSMauro Carvalho Chehab format->fmt.vbi.samples_per_line = dev->vbi_width; 17850c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 17860c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 17870c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 17880c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 17890c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[0] = dev->vbi_height; 17900c0d06caSMauro Carvalho Chehab format->fmt.vbi.count[1] = dev->vbi_height; 17912a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 17920c0d06caSMauro Carvalho Chehab 17930c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 17940c0d06caSMauro Carvalho Chehab if (dev->norm & V4L2_STD_525_60) { 17950c0d06caSMauro Carvalho Chehab /* NTSC */ 17960c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 17970c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 17980c0d06caSMauro Carvalho Chehab } else if (dev->norm & V4L2_STD_625_50) { 17990c0d06caSMauro Carvalho Chehab /* PAL */ 18000c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18010c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18020c0d06caSMauro Carvalho Chehab } 18030c0d06caSMauro Carvalho Chehab 18040c0d06caSMauro Carvalho Chehab return 0; 18050c0d06caSMauro Carvalho Chehab } 18060c0d06caSMauro Carvalho Chehab 18070c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18080c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18090c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18100c0d06caSMauro Carvalho Chehab 18110c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18120c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18130c0d06caSMauro Carvalho Chehab { 18140c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18150c0d06caSMauro Carvalho Chehab 18160c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18170c0d06caSMauro Carvalho Chehab return -EINVAL; 18180c0d06caSMauro Carvalho Chehab 18190c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18200c0d06caSMauro Carvalho Chehab 182195d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18220c0d06caSMauro Carvalho Chehab 18230c0d06caSMauro Carvalho Chehab return 0; 18240c0d06caSMauro Carvalho Chehab } 18250c0d06caSMauro Carvalho Chehab 18260c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18272f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18280c0d06caSMauro Carvalho Chehab { 18290c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18300c0d06caSMauro Carvalho Chehab 18310c0d06caSMauro Carvalho Chehab if (0 != t->index) 18320c0d06caSMauro Carvalho Chehab return -EINVAL; 18330c0d06caSMauro Carvalho Chehab 183495d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18350c0d06caSMauro Carvalho Chehab 18360c0d06caSMauro Carvalho Chehab return 0; 18370c0d06caSMauro Carvalho Chehab } 18380c0d06caSMauro Carvalho Chehab 18390c0d06caSMauro Carvalho Chehab /* 184095d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 184195d2608bSFrank Schaefer * 184295d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 184395d2608bSFrank Schaefer * 184495d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 184595d2608bSFrank Schaefer */ 184695d2608bSFrank Schaefer void em28xx_free_v4l2(struct kref *ref) 184795d2608bSFrank Schaefer { 184895d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 184995d2608bSFrank Schaefer 1850abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 185195d2608bSFrank Schaefer kfree(v4l2); 185295d2608bSFrank Schaefer } 185395d2608bSFrank Schaefer 185495d2608bSFrank Schaefer /* 18550c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18560c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18570c0d06caSMauro Carvalho Chehab */ 18580c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18590c0d06caSMauro Carvalho Chehab { 18600c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18610c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 186295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18630c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18640c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 18650c0d06caSMauro Carvalho Chehab 18660c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18670c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18680c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18690c0d06caSMauro Carvalho Chehab break; 18700c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18710c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18720c0d06caSMauro Carvalho Chehab break; 18734e170240SFrank Schaefer case VFL_TYPE_RADIO: 18744e170240SFrank Schaefer break; 18754e170240SFrank Schaefer default: 18764e170240SFrank Schaefer return -EINVAL; 18770c0d06caSMauro Carvalho Chehab } 18780c0d06caSMauro Carvalho Chehab 18790c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 18800c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 18810c0d06caSMauro Carvalho Chehab dev->users); 18820c0d06caSMauro Carvalho Chehab 18830c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 18840c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 18850c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 18860c0d06caSMauro Carvalho Chehab if (!fh) { 18870c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 18880c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 18890c0d06caSMauro Carvalho Chehab return -ENOMEM; 18900c0d06caSMauro Carvalho Chehab } 189169a61642SHans Verkuil v4l2_fh_init(&fh->fh, vdev); 18920c0d06caSMauro Carvalho Chehab fh->dev = dev; 18930c0d06caSMauro Carvalho Chehab fh->type = fh_type; 18940c0d06caSMauro Carvalho Chehab filp->private_data = fh; 18950c0d06caSMauro Carvalho Chehab 18964e170240SFrank Schaefer if (dev->users == 0) { 18970c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 18984e170240SFrank Schaefer 18994e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19000c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19010c0d06caSMauro Carvalho Chehab 19024e170240SFrank Schaefer /* 19034e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19044e170240SFrank Schaefer * of some i2c devices 19050c0d06caSMauro Carvalho Chehab */ 19060c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19070c0d06caSMauro Carvalho Chehab } 1908d3829fadSDevin Heitmueller 1909d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19100c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 191195d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19120c0d06caSMauro Carvalho Chehab } 19130c0d06caSMauro Carvalho Chehab 191447677e51SMauro Carvalho Chehab kref_get(&dev->ref); 191595d2608bSFrank Schaefer kref_get(&v4l2->ref); 19160c0d06caSMauro Carvalho Chehab dev->users++; 19170c0d06caSMauro Carvalho Chehab 19180c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 191969a61642SHans Verkuil v4l2_fh_add(&fh->fh); 19200c0d06caSMauro Carvalho Chehab 1921d3829fadSDevin Heitmueller return 0; 19220c0d06caSMauro Carvalho Chehab } 19230c0d06caSMauro Carvalho Chehab 19240c0d06caSMauro Carvalho Chehab /* 192501c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19260c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19270c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19280c0d06caSMauro Carvalho Chehab */ 192901c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19300c0d06caSMauro Carvalho Chehab { 193195d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 193295d2608bSFrank Schaefer 1933822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1934822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1935822b8deaSMauro Carvalho Chehab return 0; 1936822b8deaSMauro Carvalho Chehab } 1937822b8deaSMauro Carvalho Chehab 193801c28193SMauro Carvalho Chehab if (!dev->has_video) { 193901c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 194001c28193SMauro Carvalho Chehab return 0; 194101c28193SMauro Carvalho Chehab } 19420c0d06caSMauro Carvalho Chehab 194395d2608bSFrank Schaefer if (v4l2 == NULL) 194495d2608bSFrank Schaefer return 0; 194595d2608bSFrank Schaefer 1946aa929ad7SMauro Carvalho Chehab em28xx_info("Closing video extension"); 1947aa929ad7SMauro Carvalho Chehab 1948ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1949ebbfbc20SMauro Carvalho Chehab 195095d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19515ad10de6SFrank Schaefer 195223e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 195323e8642cSFrank Schaefer 19540c0d06caSMauro Carvalho Chehab if (dev->radio_dev) { 1955e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1956e847022aSFrank Schaefer video_device_node_name(dev->radio_dev)); 19570c0d06caSMauro Carvalho Chehab video_unregister_device(dev->radio_dev); 19580c0d06caSMauro Carvalho Chehab } 19590c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) { 19600c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 19610c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 19620c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vbi_dev); 19630c0d06caSMauro Carvalho Chehab } 19640c0d06caSMauro Carvalho Chehab if (dev->vdev) { 19650c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 19660c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 19670c0d06caSMauro Carvalho Chehab video_unregister_device(dev->vdev); 19680c0d06caSMauro Carvalho Chehab } 196901c28193SMauro Carvalho Chehab 1970abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 197195d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1972103f18a2SFrank Schaefer 197325dd1652SFrank Schaefer if (dev->clk) { 197425dd1652SFrank Schaefer v4l2_clk_unregister_fixed(dev->clk); 197525dd1652SFrank Schaefer dev->clk = NULL; 197625dd1652SFrank Schaefer } 197725dd1652SFrank Schaefer 197895d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 197995d2608bSFrank Schaefer 1980ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 198195d2608bSFrank Schaefer 198247677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 19835ad10de6SFrank Schaefer 198401c28193SMauro Carvalho Chehab return 0; 19850c0d06caSMauro Carvalho Chehab } 19860c0d06caSMauro Carvalho Chehab 1987a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 1988a61f6811SShuah Khan { 1989a61f6811SShuah Khan if (dev->is_audio_only) 1990a61f6811SShuah Khan return 0; 1991a61f6811SShuah Khan 1992a61f6811SShuah Khan if (!dev->has_video) 1993a61f6811SShuah Khan return 0; 1994a61f6811SShuah Khan 1995a61f6811SShuah Khan em28xx_info("Suspending video extension"); 1996a61f6811SShuah Khan em28xx_stop_urbs(dev); 1997a61f6811SShuah Khan return 0; 1998a61f6811SShuah Khan } 1999a61f6811SShuah Khan 2000a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2001a61f6811SShuah Khan { 2002a61f6811SShuah Khan if (dev->is_audio_only) 2003a61f6811SShuah Khan return 0; 2004a61f6811SShuah Khan 2005a61f6811SShuah Khan if (!dev->has_video) 2006a61f6811SShuah Khan return 0; 2007a61f6811SShuah Khan 2008a61f6811SShuah Khan em28xx_info("Resuming video extension"); 2009a61f6811SShuah Khan /* what do we do here */ 2010a61f6811SShuah Khan return 0; 2011a61f6811SShuah Khan } 2012a61f6811SShuah Khan 20130c0d06caSMauro Carvalho Chehab /* 20140c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20150c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20160c0d06caSMauro Carvalho Chehab * calls and ioctls 20170c0d06caSMauro Carvalho Chehab */ 20180c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20190c0d06caSMauro Carvalho Chehab { 20200c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20210c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 202295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20230c0d06caSMauro Carvalho Chehab int errCode; 20240c0d06caSMauro Carvalho Chehab 20250c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20260c0d06caSMauro Carvalho Chehab 2027d3829fadSDevin Heitmueller vb2_fop_release(filp); 202898c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20290c0d06caSMauro Carvalho Chehab 20300c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 203147677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 203247677e51SMauro Carvalho Chehab if (dev->disconnected) 203301c28193SMauro Carvalho Chehab goto exit; 20340c0d06caSMauro Carvalho Chehab 20350c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 203695d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20370c0d06caSMauro Carvalho Chehab 20380c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20390c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20400c0d06caSMauro Carvalho Chehab 20410c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20420c0d06caSMauro Carvalho Chehab dev->alt = 0; 20430c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20440c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20450c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20460c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20470c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20480c0d06caSMauro Carvalho Chehab } 20490c0d06caSMauro Carvalho Chehab } 20500c0d06caSMauro Carvalho Chehab 205101c28193SMauro Carvalho Chehab exit: 205295d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20530c0d06caSMauro Carvalho Chehab dev->users--; 20540c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 205547677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 205647677e51SMauro Carvalho Chehab 20570c0d06caSMauro Carvalho Chehab return 0; 20580c0d06caSMauro Carvalho Chehab } 20590c0d06caSMauro Carvalho Chehab 2060e847022aSFrank Schaefer /* 2061e847022aSFrank Schaefer * em28xx_videodevice_release() 2062e847022aSFrank Schaefer * called when the last user of the video device exits and frees the memeory 2063e847022aSFrank Schaefer */ 2064e847022aSFrank Schaefer static void em28xx_videodevice_release(struct video_device *vdev) 2065e847022aSFrank Schaefer { 2066e847022aSFrank Schaefer struct em28xx *dev = video_get_drvdata(vdev); 2067e847022aSFrank Schaefer 2068e847022aSFrank Schaefer video_device_release(vdev); 2069e847022aSFrank Schaefer if (vdev == dev->vdev) 2070e847022aSFrank Schaefer dev->vdev = NULL; 2071e847022aSFrank Schaefer else if (vdev == dev->vbi_dev) 2072e847022aSFrank Schaefer dev->vbi_dev = NULL; 2073e847022aSFrank Schaefer else if (vdev == dev->radio_dev) 2074e847022aSFrank Schaefer dev->radio_dev = NULL; 2075e847022aSFrank Schaefer } 2076e847022aSFrank Schaefer 20770c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20780c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20790c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20800c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2081d3829fadSDevin Heitmueller .read = vb2_fop_read, 2082d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2083d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20840c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20850c0d06caSMauro Carvalho Chehab }; 20860c0d06caSMauro Carvalho Chehab 20870c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20880c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20890c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20900c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20910c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 20920c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 20930c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20942a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2095aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20960c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 20970c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 20980c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 20990c0d06caSMauro Carvalho Chehab 2100d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2101d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2102d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2103d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2104d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2105d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2106d3829fadSDevin Heitmueller 21070c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 21080c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 21090c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 21100c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 21110c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 21120c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 21130c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 21140c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2115d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2116d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21170c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21180c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21190c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21200c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 212150fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 212250fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21230c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 212496b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21250c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21260c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21270c0d06caSMauro Carvalho Chehab #endif 21280c0d06caSMauro Carvalho Chehab }; 21290c0d06caSMauro Carvalho Chehab 21300c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21310c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21320c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2133e847022aSFrank Schaefer .release = em28xx_videodevice_release, 21340c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21350c0d06caSMauro Carvalho Chehab }; 21360c0d06caSMauro Carvalho Chehab 21370c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21380c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21390c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21400c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21410c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21420c0d06caSMauro Carvalho Chehab }; 21430c0d06caSMauro Carvalho Chehab 21440c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2145a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21460c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21470c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21480c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21490c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 215050fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 215150fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21520c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2153430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21540c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21550c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21560c0d06caSMauro Carvalho Chehab #endif 21570c0d06caSMauro Carvalho Chehab }; 21580c0d06caSMauro Carvalho Chehab 21590c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21600c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21610c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2162e847022aSFrank Schaefer .release = em28xx_videodevice_release, 21630c0d06caSMauro Carvalho Chehab }; 21640c0d06caSMauro Carvalho Chehab 2165b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2166b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2167b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2168b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2169b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2170b64f8e9aSMauro Carvalho Chehab 2171b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2172b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2173b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2174b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2175b64f8e9aSMauro Carvalho Chehab }; 2176b64f8e9aSMauro Carvalho Chehab 2177b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2178b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2179b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2180b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2181b64f8e9aSMauro Carvalho Chehab }; 2182b64f8e9aSMauro Carvalho Chehab 21830c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21840c0d06caSMauro Carvalho Chehab 21850c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 21860c0d06caSMauro Carvalho Chehab const struct video_device *template, 21870c0d06caSMauro Carvalho Chehab const char *type_name) 21880c0d06caSMauro Carvalho Chehab { 21890c0d06caSMauro Carvalho Chehab struct video_device *vfd; 21900c0d06caSMauro Carvalho Chehab 21910c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 21920c0d06caSMauro Carvalho Chehab if (NULL == vfd) 21930c0d06caSMauro Carvalho Chehab return NULL; 21940c0d06caSMauro Carvalho Chehab 21950c0d06caSMauro Carvalho Chehab *vfd = *template; 219695d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 21970c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 21980c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 219969a61642SHans Verkuil set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); 2200d8c95c08SHans Verkuil if (dev->board.is_webcam) 2201d8c95c08SHans Verkuil vfd->tvnorms = 0; 22020c0d06caSMauro Carvalho Chehab 22030c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 22040c0d06caSMauro Carvalho Chehab dev->name, type_name); 22050c0d06caSMauro Carvalho Chehab 22060c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 22070c0d06caSMauro Carvalho Chehab return vfd; 22080c0d06caSMauro Carvalho Chehab } 22090c0d06caSMauro Carvalho Chehab 221001c28193SMauro Carvalho Chehab static void em28xx_tuner_setup(struct em28xx *dev) 22110560f337SMauro Carvalho Chehab { 221295d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 22130560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 22140560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22150560f337SMauro Carvalho Chehab 22160560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_ABSENT) 22170560f337SMauro Carvalho Chehab return; 22180560f337SMauro Carvalho Chehab 22190560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22200560f337SMauro Carvalho Chehab 22210560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22220560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22230560f337SMauro Carvalho Chehab 22240560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22250560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22260560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22270560f337SMauro Carvalho Chehab 222895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 222995d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22300560f337SMauro Carvalho Chehab } 22310560f337SMauro Carvalho Chehab 22320560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22330560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22340560f337SMauro Carvalho Chehab tun_setup.addr = dev->tuner_addr; 22350560f337SMauro Carvalho Chehab 223695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223795d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22380560f337SMauro Carvalho Chehab } 22390560f337SMauro Carvalho Chehab 22400560f337SMauro Carvalho Chehab if (dev->tda9887_conf) { 22410560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22420560f337SMauro Carvalho Chehab 22430560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22440560f337SMauro Carvalho Chehab tda9887_cfg.priv = &dev->tda9887_conf; 22450560f337SMauro Carvalho Chehab 224695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 224795d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22480560f337SMauro Carvalho Chehab } 22490560f337SMauro Carvalho Chehab 22500560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22510560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22520560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22530560f337SMauro Carvalho Chehab 22540560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22550560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22560560f337SMauro Carvalho Chehab 22570560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22580560f337SMauro Carvalho Chehab 22590560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22600560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22610560f337SMauro Carvalho Chehab 226295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22630560f337SMauro Carvalho Chehab } 22640560f337SMauro Carvalho Chehab 22650560f337SMauro Carvalho Chehab /* configure tuner */ 22660560f337SMauro Carvalho Chehab f.tuner = 0; 22670560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22680560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22690560f337SMauro Carvalho Chehab dev->ctl_freq = f.frequency; 227095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22710560f337SMauro Carvalho Chehab } 22720560f337SMauro Carvalho Chehab 227301c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22740c0d06caSMauro Carvalho Chehab { 22750c0d06caSMauro Carvalho Chehab u8 val; 22760c0d06caSMauro Carvalho Chehab int ret; 22770c0d06caSMauro Carvalho Chehab unsigned int maxw; 2278abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 227995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2280b64f8e9aSMauro Carvalho Chehab 2281822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2282822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2283822b8deaSMauro Carvalho Chehab return 0; 2284822b8deaSMauro Carvalho Chehab } 2285822b8deaSMauro Carvalho Chehab 228601c28193SMauro Carvalho Chehab if (!dev->has_video) { 2287b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2288b64f8e9aSMauro Carvalho Chehab return 0; 2289b64f8e9aSMauro Carvalho Chehab } 22900c0d06caSMauro Carvalho Chehab 22919634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 22920c0d06caSMauro Carvalho Chehab 229301c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 229401c28193SMauro Carvalho Chehab 229595d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 229695d2608bSFrank Schaefer if (v4l2 == NULL) { 229795d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 229895d2608bSFrank Schaefer mutex_unlock(&dev->lock); 229995d2608bSFrank Schaefer return -ENOMEM; 230095d2608bSFrank Schaefer } 230195d2608bSFrank Schaefer kref_init(&v4l2->ref); 2302abc1308fSFrank Schaefer v4l2->dev = dev; 230395d2608bSFrank Schaefer dev->v4l2 = v4l2; 230495d2608bSFrank Schaefer 230595d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2306b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2307b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2308b64f8e9aSMauro Carvalho Chehab goto err; 2309b64f8e9aSMauro Carvalho Chehab } 2310b64f8e9aSMauro Carvalho Chehab 2311abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2312b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 231395d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2314b64f8e9aSMauro Carvalho Chehab 2315b64f8e9aSMauro Carvalho Chehab /* 2316b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2317b64f8e9aSMauro Carvalho Chehab */ 2318b64f8e9aSMauro Carvalho Chehab dev->vinmode = 0x10; 2319b64f8e9aSMauro Carvalho Chehab dev->vinctl = EM28XX_VINCTRL_INTERLACED | 2320b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2321b64f8e9aSMauro Carvalho Chehab 2322b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2323b64f8e9aSMauro Carvalho Chehab 2324b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 232595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2327b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2328b64f8e9aSMauro Carvalho Chehab 2329b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 233095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2332b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2333b64f8e9aSMauro Carvalho Chehab 2334b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 233595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233695d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2337b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2338b64f8e9aSMauro Carvalho Chehab 2339b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 234095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2342b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2343b64f8e9aSMauro Carvalho Chehab 2344b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2345b64f8e9aSMauro Carvalho Chehab 2346b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 2347b64f8e9aSMauro Carvalho Chehab int has_demod = (dev->tda9887_conf & TDA9887_PRESENT); 2348b64f8e9aSMauro Carvalho Chehab 2349b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 235095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 235195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2352b64f8e9aSMauro Carvalho Chehab "tuner", dev->board.radio_addr, NULL); 2353b64f8e9aSMauro Carvalho Chehab 2354b64f8e9aSMauro Carvalho Chehab if (has_demod) 235595d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2356b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2357b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 2358b64f8e9aSMauro Carvalho Chehab if (dev->tuner_addr == 0) { 2359b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2360b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2361b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2362b64f8e9aSMauro Carvalho Chehab 236395d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2364b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2365b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(type)); 2366b64f8e9aSMauro Carvalho Chehab 2367b64f8e9aSMauro Carvalho Chehab if (sd) 2368b64f8e9aSMauro Carvalho Chehab dev->tuner_addr = v4l2_i2c_subdev_addr(sd); 2369b64f8e9aSMauro Carvalho Chehab } else { 237095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 237195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2372b64f8e9aSMauro Carvalho Chehab "tuner", dev->tuner_addr, NULL); 2373b64f8e9aSMauro Carvalho Chehab } 2374b64f8e9aSMauro Carvalho Chehab } 2375b64f8e9aSMauro Carvalho Chehab 2376b64f8e9aSMauro Carvalho Chehab em28xx_tuner_setup(dev); 2377d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2378b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2379b64f8e9aSMauro Carvalho Chehab 2380b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2381b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2382b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2383b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2384b64f8e9aSMauro Carvalho Chehab __func__, ret); 2385b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2386b64f8e9aSMauro Carvalho Chehab } 2387b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2388b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2389b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2390b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2391b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2392b64f8e9aSMauro Carvalho Chehab } else { 2393b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2394b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2395b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2396b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2397b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2398b64f8e9aSMauro Carvalho Chehab } 2399b64f8e9aSMauro Carvalho Chehab 2400b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2401b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2402b64f8e9aSMauro Carvalho Chehab 2403b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2404b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2405b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2406b64f8e9aSMauro Carvalho Chehab 2407b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2408b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2409b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2410b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2411b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2412b64f8e9aSMauro Carvalho Chehab __func__, ret); 2413b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2414b64f8e9aSMauro Carvalho Chehab } 2415b64f8e9aSMauro Carvalho Chehab msleep(3); 2416b64f8e9aSMauro Carvalho Chehab 2417b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2418b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2419b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2420b64f8e9aSMauro Carvalho Chehab __func__, ret); 2421b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2422b64f8e9aSMauro Carvalho Chehab } 2423b64f8e9aSMauro Carvalho Chehab msleep(3); 2424b64f8e9aSMauro Carvalho Chehab } 2425b64f8e9aSMauro Carvalho Chehab 24260c0d06caSMauro Carvalho Chehab /* set default norm */ 2427d8c95c08SHans Verkuil dev->norm = V4L2_STD_PAL; 242895d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, dev->norm); 24290c0d06caSMauro Carvalho Chehab dev->interlaced = EM28XX_INTERLACED_DEFAULT; 24300c0d06caSMauro Carvalho Chehab 24310c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 24320c0d06caSMauro Carvalho Chehab dev->format = &format[0]; 24330c0d06caSMauro Carvalho Chehab 24340c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24350c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24360c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24370c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24380c0d06caSMauro Carvalho Chehab maxw /= 2; 24390c0d06caSMauro Carvalho Chehab 24400c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24410c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24420c0d06caSMauro Carvalho Chehab 24430c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24440c0d06caSMauro Carvalho Chehab 24450c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24460c0d06caSMauro Carvalho Chehab dev->mute = 1; 24470c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24480c0d06caSMauro Carvalho Chehab 24490c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24500c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24510c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24520c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24530c0d06caSMauro Carvalho Chehab 24540c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24550c0d06caSMauro Carvalho Chehab 24568f8b113aSFrank Schaefer /* Add image controls */ 24578f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24588f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2459ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2460ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24618f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24628f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2463ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2464ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24658f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24668f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2467ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2468ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24698f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24708f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2471ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2472ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24738f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24748f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2475ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2476ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24778f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24788f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2479ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2480ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24818f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24828f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24838f8b113aSFrank Schaefer 24848f8b113aSFrank Schaefer /* Reset image controls */ 24858f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2486ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2487ad298055SFrank Schaefer ret = hdl->error; 2488b64f8e9aSMauro Carvalho Chehab if (ret) 2489b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24908f8b113aSFrank Schaefer 24910c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 24920c0d06caSMauro Carvalho Chehab dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 24930c0d06caSMauro Carvalho Chehab if (!dev->vdev) { 24940c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2495b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2496b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24970c0d06caSMauro Carvalho Chehab } 2498d3829fadSDevin Heitmueller dev->vdev->queue = &dev->vb_vidq; 2499d3829fadSDevin Heitmueller dev->vdev->queue->lock = &dev->vb_queue_lock; 25000c0d06caSMauro Carvalho Chehab 25016e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 25026e46dabaSFrank Schaefer if (dev->board.is_webcam) { 25036e46dabaSFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_QUERYSTD); 25046e46dabaSFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_G_STD); 25056e46dabaSFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_STD); 25063bc85cceSFrank Schaefer } else { 25073bc85cceSFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM); 25086e46dabaSFrank Schaefer } 250966df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 251066df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_G_TUNER); 251166df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_TUNER); 251266df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_G_FREQUENCY); 251366df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_FREQUENCY); 251466df67b7SFrank Schaefer } 2515c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2516c2dcef83SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_G_AUDIO); 2517c2dcef83SFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_AUDIO); 2518c2dcef83SFrank Schaefer } 25196e46dabaSFrank Schaefer 25200c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 25210c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, 25220c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25230c0d06caSMauro Carvalho Chehab if (ret) { 25240c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25250c0d06caSMauro Carvalho Chehab ret); 2526b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25270c0d06caSMauro Carvalho Chehab } 25280c0d06caSMauro Carvalho Chehab 25290c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25300c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 25310c0d06caSMauro Carvalho Chehab dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 25320c0d06caSMauro Carvalho Chehab "vbi"); 25330c0d06caSMauro Carvalho Chehab 2534d3829fadSDevin Heitmueller dev->vbi_dev->queue = &dev->vb_vbiq; 2535d3829fadSDevin Heitmueller dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock; 2536d3829fadSDevin Heitmueller 253766df67b7SFrank Schaefer /* disable inapplicable ioctls */ 253883c8bcceSFrank Schaefer v4l2_disable_ioctl(dev->vdev, VIDIOC_S_PARM); 253966df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 254066df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_TUNER); 254166df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_TUNER); 254266df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_FREQUENCY); 254366df67b7SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_FREQUENCY); 254466df67b7SFrank Schaefer } 2545c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2546c2dcef83SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_G_AUDIO); 2547c2dcef83SFrank Schaefer v4l2_disable_ioctl(dev->vbi_dev, VIDIOC_S_AUDIO); 2548c2dcef83SFrank Schaefer } 254966df67b7SFrank Schaefer 25500c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 25510c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 25520c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25530c0d06caSMauro Carvalho Chehab if (ret < 0) { 25540c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2555b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25560c0d06caSMauro Carvalho Chehab } 25570c0d06caSMauro Carvalho Chehab } 25580c0d06caSMauro Carvalho Chehab 25590c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 25600c0d06caSMauro Carvalho Chehab dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 25610c0d06caSMauro Carvalho Chehab "radio"); 25620c0d06caSMauro Carvalho Chehab if (!dev->radio_dev) { 25630c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2564b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2565b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25660c0d06caSMauro Carvalho Chehab } 25670c0d06caSMauro Carvalho Chehab ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, 25680c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25690c0d06caSMauro Carvalho Chehab if (ret < 0) { 25700c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2571b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25720c0d06caSMauro Carvalho Chehab } 25730c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 25740c0d06caSMauro Carvalho Chehab video_device_node_name(dev->radio_dev)); 25750c0d06caSMauro Carvalho Chehab } 25760c0d06caSMauro Carvalho Chehab 25770c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 25780c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vdev)); 25790c0d06caSMauro Carvalho Chehab 25800c0d06caSMauro Carvalho Chehab if (dev->vbi_dev) 25810c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 25820c0d06caSMauro Carvalho Chehab video_device_node_name(dev->vbi_dev)); 25830c0d06caSMauro Carvalho Chehab 2584b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 258595d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2586b64f8e9aSMauro Carvalho Chehab 2587b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2588b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2589b64f8e9aSMauro Carvalho Chehab 25909634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 25919634614fSMauro Carvalho Chehab 259247677e51SMauro Carvalho Chehab kref_get(&dev->ref); 259347677e51SMauro Carvalho Chehab 259401c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 25950c0d06caSMauro Carvalho Chehab return 0; 2596b64f8e9aSMauro Carvalho Chehab 2597b64f8e9aSMauro Carvalho Chehab unregister_dev: 2598abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 259995d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2600b64f8e9aSMauro Carvalho Chehab err: 260195d2608bSFrank Schaefer dev->v4l2 = NULL; 260295d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 260301c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2604b64f8e9aSMauro Carvalho Chehab return ret; 26050c0d06caSMauro Carvalho Chehab } 260601c28193SMauro Carvalho Chehab 260701c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 260801c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 260901c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 261001c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 261101c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2612a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2613a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 261401c28193SMauro Carvalho Chehab }; 261501c28193SMauro Carvalho Chehab 261601c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 261701c28193SMauro Carvalho Chehab { 261801c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 261901c28193SMauro Carvalho Chehab } 262001c28193SMauro Carvalho Chehab 262101c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 262201c28193SMauro Carvalho Chehab { 262301c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 262401c28193SMauro Carvalho Chehab } 262501c28193SMauro Carvalho Chehab 262601c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 262701c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2628