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> 46d647f0b7SMauro Carvalho Chehab #include <media/drv-intf/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 #define EM25XX_FRMDATAHDR_BYTE1 0x02 85e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE 0x20 86e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_END 0x02 87e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_ID 0x01 88e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_MASK (EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE | \ 89e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END | \ 90e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID) 91e507e0e5SFrank Schaefer 92d3829fadSDevin Heitmueller static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 93d3829fadSDevin Heitmueller static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 94d3829fadSDevin Heitmueller static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 950c0d06caSMauro Carvalho Chehab 960c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 970c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 980c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 990c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 1000c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 1010c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 1020c0d06caSMauro Carvalho Chehab 1030c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 1040c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 1050c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 1060c0d06caSMauro Carvalho Chehab 1070c0d06caSMauro Carvalho Chehab /* supported video standards */ 1080c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 1090c0d06caSMauro Carvalho Chehab { 1100c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 1110c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 1120c0d06caSMauro Carvalho Chehab .depth = 16, 1130c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 1140c0d06caSMauro Carvalho Chehab }, { 1150c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1160c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1170c0d06caSMauro Carvalho Chehab .depth = 16, 1180c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1190c0d06caSMauro Carvalho Chehab }, { 1200c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1210c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1220c0d06caSMauro Carvalho Chehab .depth = 8, 1230c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1240c0d06caSMauro Carvalho Chehab }, { 1250c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1260c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1270c0d06caSMauro Carvalho Chehab .depth = 8, 1280c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1290c0d06caSMauro Carvalho Chehab }, { 1300c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1310c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1320c0d06caSMauro Carvalho Chehab .depth = 8, 1330c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1340c0d06caSMauro Carvalho Chehab }, { 1350c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1360c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1370c0d06caSMauro Carvalho Chehab .depth = 12, 1380c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1390c0d06caSMauro Carvalho Chehab }, 1400c0d06caSMauro Carvalho Chehab }; 1410c0d06caSMauro Carvalho Chehab 14225c61e4cSFrank Schaefer /*FIXME: maxw should be dependent of alt mode */ 14325c61e4cSFrank Schaefer static inline unsigned int norm_maxw(struct em28xx *dev) 14425c61e4cSFrank Schaefer { 145d7dc18daSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 146d7dc18daSFrank Schaefer 14725c61e4cSFrank Schaefer if (dev->board.is_webcam) 148d7dc18daSFrank Schaefer return v4l2->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 { 15852faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15952faaf78SFrank Schaefer 16025c61e4cSFrank Schaefer if (dev->board.is_webcam) 161d7dc18daSFrank Schaefer return v4l2->sensor_yres; 16225c61e4cSFrank Schaefer 16325c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 16425c61e4cSFrank Schaefer return 480; 16525c61e4cSFrank Schaefer 16652faaf78SFrank Schaefer return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480; 16725c61e4cSFrank Schaefer } 16825c61e4cSFrank Schaefer 16901c28193SMauro Carvalho Chehab static int em28xx_vbi_supported(struct em28xx *dev) 1700560f337SMauro Carvalho Chehab { 1710560f337SMauro Carvalho Chehab /* Modprobe option to manually disable */ 1720560f337SMauro Carvalho Chehab if (disable_vbi == 1) 1730560f337SMauro Carvalho Chehab return 0; 1740560f337SMauro Carvalho Chehab 1750560f337SMauro Carvalho Chehab if (dev->board.is_webcam) 1760560f337SMauro Carvalho Chehab return 0; 1770560f337SMauro Carvalho Chehab 1780560f337SMauro Carvalho Chehab /* FIXME: check subdevices for VBI support */ 1790560f337SMauro Carvalho Chehab 1800560f337SMauro Carvalho Chehab if (dev->chip_id == CHIP_ID_EM2860 || 1810560f337SMauro Carvalho Chehab dev->chip_id == CHIP_ID_EM2883) 1820560f337SMauro Carvalho Chehab return 1; 1830560f337SMauro Carvalho Chehab 1840560f337SMauro Carvalho Chehab /* Version of em28xx that does not support VBI */ 1850560f337SMauro Carvalho Chehab return 0; 1860560f337SMauro Carvalho Chehab } 1870560f337SMauro Carvalho Chehab 1880560f337SMauro Carvalho Chehab /* 1890560f337SMauro Carvalho Chehab * em28xx_wake_i2c() 1900560f337SMauro Carvalho Chehab * configure i2c attached devices 1910560f337SMauro Carvalho Chehab */ 19201c28193SMauro Carvalho Chehab static void em28xx_wake_i2c(struct em28xx *dev) 1930560f337SMauro Carvalho Chehab { 19495d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 195fdf1bc9fSMauro Carvalho Chehab 19695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, core, reset, 0); 19795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 1980560f337SMauro Carvalho Chehab INPUT(dev->ctl_input)->vmux, 0, 0); 19995d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_stream, 0); 2000560f337SMauro Carvalho Chehab } 2010560f337SMauro Carvalho Chehab 20201c28193SMauro Carvalho Chehab static int em28xx_colorlevels_set_default(struct em28xx *dev) 2030560f337SMauro Carvalho Chehab { 2040560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); 2050560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); 2060560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); 2070560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); 2080560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); 2090560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); 2100560f337SMauro Carvalho Chehab 2110560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); 2120560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); 2130560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); 2140560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); 2150560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); 2160560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); 2170560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); 2180560f337SMauro Carvalho Chehab } 2190560f337SMauro Carvalho Chehab 22001c28193SMauro Carvalho Chehab static int em28xx_set_outfmt(struct em28xx *dev) 2210560f337SMauro Carvalho Chehab { 2220560f337SMauro Carvalho Chehab int ret; 2230560f337SMauro Carvalho Chehab u8 fmt, vinctrl; 224753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 2250560f337SMauro Carvalho Chehab 22606e20672SFrank Schaefer fmt = v4l2->format->reg; 2270560f337SMauro Carvalho Chehab if (!dev->is_em25xx) 2280560f337SMauro Carvalho Chehab fmt |= 0x20; 2290560f337SMauro Carvalho Chehab /* 2300560f337SMauro Carvalho Chehab * NOTE: it's not clear if this is really needed ! 2310560f337SMauro Carvalho Chehab * The datasheets say bit 5 is a reserved bit and devices seem to work 2320560f337SMauro Carvalho Chehab * fine without it. But the Windows driver sets it for em2710/50+em28xx 2330560f337SMauro Carvalho Chehab * devices and we've always been setting it, too. 2340560f337SMauro Carvalho Chehab * 2350560f337SMauro Carvalho Chehab * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, 2360560f337SMauro Carvalho Chehab * it's likely used for an additional (compressed ?) format there. 2370560f337SMauro Carvalho Chehab */ 2380560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); 2390560f337SMauro Carvalho Chehab if (ret < 0) 2400560f337SMauro Carvalho Chehab return ret; 2410560f337SMauro Carvalho Chehab 2429297285eSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); 2430560f337SMauro Carvalho Chehab if (ret < 0) 2440560f337SMauro Carvalho Chehab return ret; 2450560f337SMauro Carvalho Chehab 2469297285eSFrank Schaefer vinctrl = v4l2->vinctl; 2470560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2480560f337SMauro Carvalho Chehab vinctrl |= EM28XX_VINCTRL_VBI_RAW; 2490560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); 250753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, v4l2->vbi_width/4); 251753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height); 25252faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 2530560f337SMauro Carvalho Chehab /* NTSC */ 2540560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); 25552faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 2560560f337SMauro Carvalho Chehab /* PAL */ 2570560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); 2580560f337SMauro Carvalho Chehab } 2590560f337SMauro Carvalho Chehab } 2600560f337SMauro Carvalho Chehab 2610560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); 2620560f337SMauro Carvalho Chehab } 2630560f337SMauro Carvalho Chehab 2640560f337SMauro Carvalho Chehab static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, 2650560f337SMauro Carvalho Chehab u8 ymin, u8 ymax) 2660560f337SMauro Carvalho Chehab { 2670560f337SMauro Carvalho Chehab em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", 2680560f337SMauro Carvalho Chehab xmin, ymin, xmax, ymax); 2690560f337SMauro Carvalho Chehab 2700560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); 2710560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); 2720560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); 2730560f337SMauro Carvalho Chehab return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); 2740560f337SMauro Carvalho Chehab } 2750560f337SMauro Carvalho Chehab 2760560f337SMauro Carvalho Chehab static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, 2770560f337SMauro Carvalho Chehab u16 width, u16 height) 2780560f337SMauro Carvalho Chehab { 2790560f337SMauro Carvalho Chehab u8 cwidth = width >> 2; 2800560f337SMauro Carvalho Chehab u8 cheight = height >> 2; 2810560f337SMauro Carvalho Chehab u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); 2820560f337SMauro Carvalho Chehab /* NOTE: size limit: 2047x1023 = 2MPix */ 2830560f337SMauro Carvalho Chehab 2840560f337SMauro Carvalho Chehab em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", 2850560f337SMauro Carvalho Chehab hstart, vstart, 2860560f337SMauro Carvalho Chehab ((overflow & 2) << 9 | cwidth << 2), 2870560f337SMauro Carvalho Chehab ((overflow & 1) << 10 | cheight << 2)); 2880560f337SMauro Carvalho Chehab 2890560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); 2900560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); 2910560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); 2920560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); 2930560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); 2940560f337SMauro Carvalho Chehab 2950560f337SMauro Carvalho Chehab /* FIXME: function/meaning of these registers ? */ 2960560f337SMauro Carvalho Chehab /* FIXME: align width+height to multiples of 4 ?! */ 2970560f337SMauro Carvalho Chehab if (dev->is_em25xx) { 2980560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x34, width >> 4); 2990560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x35, height >> 4); 3000560f337SMauro Carvalho Chehab } 3010560f337SMauro Carvalho Chehab } 3020560f337SMauro Carvalho Chehab 3030560f337SMauro Carvalho Chehab static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) 3040560f337SMauro Carvalho Chehab { 305cba8e9b3SFrank Schaefer u8 mode = 0x00; 3060560f337SMauro Carvalho Chehab /* the em2800 scaler only supports scaling down to 50% */ 3070560f337SMauro Carvalho Chehab 3080560f337SMauro Carvalho Chehab if (dev->board.is_em2800) { 3090560f337SMauro Carvalho Chehab mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); 3100560f337SMauro Carvalho Chehab } else { 3110560f337SMauro Carvalho Chehab u8 buf[2]; 3120560f337SMauro Carvalho Chehab 3130560f337SMauro Carvalho Chehab buf[0] = h; 3140560f337SMauro Carvalho Chehab buf[1] = h >> 8; 3150560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); 3160560f337SMauro Carvalho Chehab 3170560f337SMauro Carvalho Chehab buf[0] = v; 3180560f337SMauro Carvalho Chehab buf[1] = v >> 8; 3190560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); 3200560f337SMauro Carvalho Chehab /* it seems that both H and V scalers must be active 3210560f337SMauro Carvalho Chehab to work correctly */ 3220560f337SMauro Carvalho Chehab mode = (h || v) ? 0x30 : 0x00; 3230560f337SMauro Carvalho Chehab } 324cba8e9b3SFrank Schaefer return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); 3250560f337SMauro Carvalho Chehab } 3260560f337SMauro Carvalho Chehab 3270560f337SMauro Carvalho Chehab /* FIXME: this only function read values from dev */ 32801c28193SMauro Carvalho Chehab static int em28xx_resolution_set(struct em28xx *dev) 3290560f337SMauro Carvalho Chehab { 330753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 331753aee77SFrank Schaefer int width = norm_maxw(dev); 332753aee77SFrank Schaefer int height = norm_maxh(dev); 3330560f337SMauro Carvalho Chehab 3340560f337SMauro Carvalho Chehab /* Properly setup VBI */ 335753aee77SFrank Schaefer v4l2->vbi_width = 720; 33652faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) 337753aee77SFrank Schaefer v4l2->vbi_height = 12; 3380560f337SMauro Carvalho Chehab else 339753aee77SFrank Schaefer v4l2->vbi_height = 18; 3400560f337SMauro Carvalho Chehab 3410560f337SMauro Carvalho Chehab em28xx_set_outfmt(dev); 3420560f337SMauro Carvalho Chehab 3430560f337SMauro Carvalho Chehab em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); 3440560f337SMauro Carvalho Chehab 3450560f337SMauro Carvalho Chehab /* If we don't set the start position to 2 in VBI mode, we end up 3460560f337SMauro Carvalho Chehab with line 20/21 being YUYV encoded instead of being in 8-bit 3470560f337SMauro Carvalho Chehab greyscale. The core of the issue is that line 21 (and line 23 for 3480560f337SMauro Carvalho Chehab PAL WSS) are inside of active video region, and as a result they 3490560f337SMauro Carvalho Chehab get the pixelformatting associated with that area. So by cropping 3500560f337SMauro Carvalho Chehab it out, we end up with the same format as the rest of the VBI 3510560f337SMauro Carvalho Chehab region */ 3520560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 3530560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 2, width, height); 3540560f337SMauro Carvalho Chehab else 3550560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 0, width, height); 3560560f337SMauro Carvalho Chehab 357753aee77SFrank Schaefer return em28xx_scaler_set(dev, v4l2->hscale, v4l2->vscale); 3580560f337SMauro Carvalho Chehab } 3590560f337SMauro Carvalho Chehab 3600560f337SMauro Carvalho Chehab /* Set USB alternate setting for analog video */ 36101c28193SMauro Carvalho Chehab static int em28xx_set_alternate(struct em28xx *dev) 3620560f337SMauro Carvalho Chehab { 363753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 3640560f337SMauro Carvalho Chehab int errCode; 3650560f337SMauro Carvalho Chehab int i; 366753aee77SFrank Schaefer unsigned int min_pkt_size = v4l2->width * 2 + 4; 3670560f337SMauro Carvalho Chehab 3680560f337SMauro Carvalho Chehab /* NOTE: for isoc transfers, only alt settings > 0 are allowed 3690560f337SMauro Carvalho Chehab bulk transfers seem to work only with alt=0 ! */ 3700560f337SMauro Carvalho Chehab dev->alt = 0; 3710560f337SMauro Carvalho Chehab if ((alt > 0) && (alt < dev->num_alt)) { 3720560f337SMauro Carvalho Chehab em28xx_videodbg("alternate forced to %d\n", dev->alt); 3730560f337SMauro Carvalho Chehab dev->alt = alt; 3740560f337SMauro Carvalho Chehab goto set_alt; 3750560f337SMauro Carvalho Chehab } 3760560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) 3770560f337SMauro Carvalho Chehab goto set_alt; 3780560f337SMauro Carvalho Chehab 3790560f337SMauro Carvalho Chehab /* When image size is bigger than a certain value, 3800560f337SMauro Carvalho Chehab the frame size should be increased, otherwise, only 3810560f337SMauro Carvalho Chehab green screen will be received. 3820560f337SMauro Carvalho Chehab */ 383753aee77SFrank Schaefer if (v4l2->width * 2 * v4l2->height > 720 * 240 * 2) 3840560f337SMauro Carvalho Chehab min_pkt_size *= 2; 3850560f337SMauro Carvalho Chehab 3860560f337SMauro Carvalho Chehab for (i = 0; i < dev->num_alt; i++) { 3870560f337SMauro Carvalho Chehab /* stop when the selected alt setting offers enough bandwidth */ 3880560f337SMauro Carvalho Chehab if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { 3890560f337SMauro Carvalho Chehab dev->alt = i; 3900560f337SMauro Carvalho Chehab break; 3910560f337SMauro Carvalho Chehab /* otherwise make sure that we end up with the maximum bandwidth 3920560f337SMauro Carvalho Chehab because the min_pkt_size equation might be wrong... 3930560f337SMauro Carvalho Chehab */ 3940560f337SMauro Carvalho Chehab } else if (dev->alt_max_pkt_size_isoc[i] > 3950560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]) 3960560f337SMauro Carvalho Chehab dev->alt = i; 3970560f337SMauro Carvalho Chehab } 3980560f337SMauro Carvalho Chehab 3990560f337SMauro Carvalho Chehab set_alt: 4000560f337SMauro Carvalho Chehab /* NOTE: for bulk transfers, we need to call usb_set_interface() 4010560f337SMauro Carvalho Chehab * even if the previous settings were the same. Otherwise streaming 4020560f337SMauro Carvalho Chehab * fails with all urbs having status = -EOVERFLOW ! */ 4030560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) { 4040560f337SMauro Carvalho Chehab dev->max_pkt_size = 512; /* USB 2.0 spec */ 4050560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; 4060560f337SMauro Carvalho Chehab } else { /* isoc */ 4070560f337SMauro Carvalho Chehab em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", 4080560f337SMauro Carvalho Chehab min_pkt_size, dev->alt); 4090560f337SMauro Carvalho Chehab dev->max_pkt_size = 4100560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]; 4110560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; 4120560f337SMauro Carvalho Chehab } 4130560f337SMauro Carvalho Chehab em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", 4140560f337SMauro Carvalho Chehab dev->alt, dev->max_pkt_size); 415961717b4SFrank Schaefer errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt); 4160560f337SMauro Carvalho Chehab if (errCode < 0) { 4170560f337SMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to %d (error=%i)\n", 4180560f337SMauro Carvalho Chehab dev->alt, errCode); 4190560f337SMauro Carvalho Chehab return errCode; 4200560f337SMauro Carvalho Chehab } 4210560f337SMauro Carvalho Chehab return 0; 4220560f337SMauro Carvalho Chehab } 4230560f337SMauro Carvalho Chehab 4240c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 4250c0d06caSMauro Carvalho Chehab DMA and thread functions 4260c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 4270c0d06caSMauro Carvalho Chehab 4280c0d06caSMauro Carvalho Chehab /* 429948a49aaSFrank Schaefer * Finish the current buffer 4300c0d06caSMauro Carvalho Chehab */ 431948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 4320c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 4330c0d06caSMauro Carvalho Chehab { 434d3829fadSDevin Heitmueller em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); 435d3829fadSDevin Heitmueller 4362d700715SJunghak Sung buf->vb.sequence = dev->v4l2->field_count++; 437662c97cfSFrank Schaefer if (dev->v4l2->progressive) 4382d700715SJunghak Sung buf->vb.field = V4L2_FIELD_NONE; 439662c97cfSFrank Schaefer else 4402d700715SJunghak Sung buf->vb.field = V4L2_FIELD_INTERLACED; 4412d700715SJunghak Sung v4l2_get_timestamp(&buf->vb.timestamp); 442d3829fadSDevin Heitmueller 4432d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 4440c0d06caSMauro Carvalho Chehab } 4450c0d06caSMauro Carvalho Chehab 4460c0d06caSMauro Carvalho Chehab /* 44736016a35SFrank Schaefer * Copy picture data from USB buffer to videobuf buffer 4480c0d06caSMauro Carvalho Chehab */ 4490c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 4500c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 45136016a35SFrank Schaefer unsigned char *usb_buf, 4524078d625SFrank Schaefer unsigned long len) 4530c0d06caSMauro Carvalho Chehab { 45458159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 4550c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 4560c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 45758159171SFrank Schaefer int bytesperline = v4l2->width << 1; 4580c0d06caSMauro Carvalho Chehab 459d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 460d3829fadSDevin Heitmueller len = buf->length - buf->pos; 4610c0d06caSMauro Carvalho Chehab 46236016a35SFrank Schaefer startread = usb_buf; 4630c0d06caSMauro Carvalho Chehab remain = len; 4640c0d06caSMauro Carvalho Chehab 46558159171SFrank Schaefer if (v4l2->progressive || buf->top_field) 46636016a35SFrank Schaefer fieldstart = buf->vb_buf; 467c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 46836016a35SFrank Schaefer fieldstart = buf->vb_buf + bytesperline; 4690c0d06caSMauro Carvalho Chehab 4708732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 4718732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 4720c0d06caSMauro Carvalho Chehab 47358159171SFrank Schaefer if (v4l2->progressive) 4740c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 4750c0d06caSMauro Carvalho Chehab else 4760c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 4770c0d06caSMauro Carvalho Chehab 4780c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 4790c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 4800c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 4810c0d06caSMauro Carvalho Chehab 482d3829fadSDevin Heitmueller if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { 4837983b773SMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end (1)\n", 4840c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 485d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 486d3829fadSDevin Heitmueller remain = (char *)buf->vb_buf + buf->length - 48736016a35SFrank Schaefer (char *)startwrite; 4880c0d06caSMauro Carvalho Chehab lencopy = remain; 4890c0d06caSMauro Carvalho Chehab } 4900c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 4910c0d06caSMauro Carvalho Chehab return; 4920c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 4930c0d06caSMauro Carvalho Chehab 4940c0d06caSMauro Carvalho Chehab remain -= lencopy; 4950c0d06caSMauro Carvalho Chehab 4960c0d06caSMauro Carvalho Chehab while (remain > 0) { 49758159171SFrank Schaefer if (v4l2->progressive) 498c02ec71bSFrank Schaefer startwrite += lencopy; 499c02ec71bSFrank Schaefer else 5000c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 5010c0d06caSMauro Carvalho Chehab startread += lencopy; 5020c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 5030c0d06caSMauro Carvalho Chehab lencopy = remain; 5040c0d06caSMauro Carvalho Chehab else 5050c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 5060c0d06caSMauro Carvalho Chehab 50736016a35SFrank Schaefer if ((char *)startwrite + lencopy > (char *)buf->vb_buf + 508d3829fadSDevin Heitmueller buf->length) { 5097983b773SMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end" 5100c0d06caSMauro Carvalho Chehab "(2)\n", 5110c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 512d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 513d3829fadSDevin Heitmueller lencopy = remain = (char *)buf->vb_buf + buf->length - 5140c0d06caSMauro Carvalho Chehab (char *)startwrite; 5150c0d06caSMauro Carvalho Chehab } 5160c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 5170c0d06caSMauro Carvalho Chehab break; 5180c0d06caSMauro Carvalho Chehab 5190c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 5200c0d06caSMauro Carvalho Chehab 5210c0d06caSMauro Carvalho Chehab remain -= lencopy; 5220c0d06caSMauro Carvalho Chehab } 5230c0d06caSMauro Carvalho Chehab 5248732533bSFrank Schaefer buf->pos += len; 5250c0d06caSMauro Carvalho Chehab } 5260c0d06caSMauro Carvalho Chehab 52736016a35SFrank Schaefer /* 52836016a35SFrank Schaefer * Copy VBI data from USB buffer to videobuf buffer 52936016a35SFrank Schaefer */ 5300c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 5310c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 53236016a35SFrank Schaefer unsigned char *usb_buf, 5334078d625SFrank Schaefer unsigned long len) 5340c0d06caSMauro Carvalho Chehab { 53536016a35SFrank Schaefer unsigned int offset; 5360c0d06caSMauro Carvalho Chehab 537d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 538d3829fadSDevin Heitmueller len = buf->length - buf->pos; 5390c0d06caSMauro Carvalho Chehab 5408732533bSFrank Schaefer offset = buf->pos; 5410c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 54236016a35SFrank Schaefer if (buf->top_field == 0) 543753aee77SFrank Schaefer offset += dev->v4l2->vbi_width * dev->v4l2->vbi_height; 5440c0d06caSMauro Carvalho Chehab 54536016a35SFrank Schaefer memcpy(buf->vb_buf + offset, usb_buf, len); 5468732533bSFrank Schaefer buf->pos += len; 5470c0d06caSMauro Carvalho Chehab } 5480c0d06caSMauro Carvalho Chehab 5490c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 5500c0d06caSMauro Carvalho Chehab int packet, int status) 5510c0d06caSMauro Carvalho Chehab { 5520c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 5530c0d06caSMauro Carvalho Chehab 5540c0d06caSMauro Carvalho Chehab switch (status) { 5550c0d06caSMauro Carvalho Chehab case -ENOENT: 5560c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 5570c0d06caSMauro Carvalho Chehab break; 5580c0d06caSMauro Carvalho Chehab case -ECONNRESET: 5590c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 5600c0d06caSMauro Carvalho Chehab break; 5610c0d06caSMauro Carvalho Chehab case -ENOSR: 5620c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 5630c0d06caSMauro Carvalho Chehab break; 5640c0d06caSMauro Carvalho Chehab case -EPIPE: 5650c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 5660c0d06caSMauro Carvalho Chehab break; 5670c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 5680c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 5690c0d06caSMauro Carvalho Chehab break; 5700c0d06caSMauro Carvalho Chehab case -EPROTO: 5710c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 5720c0d06caSMauro Carvalho Chehab break; 5730c0d06caSMauro Carvalho Chehab case -EILSEQ: 5740c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 5750c0d06caSMauro Carvalho Chehab break; 5760c0d06caSMauro Carvalho Chehab case -ETIME: 5770c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 5780c0d06caSMauro Carvalho Chehab break; 5790c0d06caSMauro Carvalho Chehab } 5800c0d06caSMauro Carvalho Chehab if (packet < 0) { 5810c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 5820c0d06caSMauro Carvalho Chehab } else { 5830c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 5840c0d06caSMauro Carvalho Chehab packet, status, errmsg); 5850c0d06caSMauro Carvalho Chehab } 5860c0d06caSMauro Carvalho Chehab } 5870c0d06caSMauro Carvalho Chehab 5880c0d06caSMauro Carvalho Chehab /* 58924a6d849SFrank Schaefer * get the next available buffer from dma queue 5900c0d06caSMauro Carvalho Chehab */ 59124a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 59224a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 5930c0d06caSMauro Carvalho Chehab { 59424a6d849SFrank Schaefer struct em28xx_buffer *buf; 5950c0d06caSMauro Carvalho Chehab 5960c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 5970c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 59824a6d849SFrank Schaefer return NULL; 5990c0d06caSMauro Carvalho Chehab } 6000c0d06caSMauro Carvalho Chehab 6010c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 602d3829fadSDevin Heitmueller buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); 6030c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 604d3829fadSDevin Heitmueller list_del(&buf->list); 6058732533bSFrank Schaefer buf->pos = 0; 606d3829fadSDevin Heitmueller buf->vb_buf = buf->mem; 6070c0d06caSMauro Carvalho Chehab 60824a6d849SFrank Schaefer return buf; 6090c0d06caSMauro Carvalho Chehab } 6100c0d06caSMauro Carvalho Chehab 611e04c00d9SFrank Schaefer /* 612e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 613e04c00d9SFrank Schaefer */ 614e04c00d9SFrank Schaefer static struct em28xx_buffer * 615e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 616e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 617e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 618e04c00d9SFrank Schaefer { 61958159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 62058159171SFrank Schaefer 621f0e38230SFrank Schaefer if (v4l2->progressive || v4l2->top_field) { /* Brand new frame */ 622e04c00d9SFrank Schaefer if (buf != NULL) 623e04c00d9SFrank Schaefer finish_buffer(dev, buf); 624e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 625e04c00d9SFrank Schaefer } 626e04c00d9SFrank Schaefer if (buf != NULL) { 627f0e38230SFrank Schaefer buf->top_field = v4l2->top_field; 628e04c00d9SFrank Schaefer buf->pos = 0; 629e04c00d9SFrank Schaefer } 630e04c00d9SFrank Schaefer 631e04c00d9SFrank Schaefer return buf; 632e04c00d9SFrank Schaefer } 633e04c00d9SFrank Schaefer 634227b7c90SFrank Schaefer /* 635227b7c90SFrank Schaefer * Process data packet according to the em2710/em2750/em28xx frame data format 636227b7c90SFrank Schaefer */ 637227b7c90SFrank Schaefer static inline void process_frame_data_em28xx(struct em28xx *dev, 638227b7c90SFrank Schaefer unsigned char *data_pkt, 639227b7c90SFrank Schaefer unsigned int data_len) 640227b7c90SFrank Schaefer { 641753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 642227b7c90SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 643227b7c90SFrank Schaefer struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; 644227b7c90SFrank Schaefer struct em28xx_dmaqueue *dma_q = &dev->vidq; 645227b7c90SFrank Schaefer struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 646227b7c90SFrank Schaefer 647227b7c90SFrank Schaefer /* capture type 0 = vbi start 648227b7c90SFrank Schaefer capture type 1 = vbi in progress 649227b7c90SFrank Schaefer capture type 2 = video start 650227b7c90SFrank Schaefer capture type 3 = video in progress */ 651227b7c90SFrank Schaefer if (data_len >= 4) { 652227b7c90SFrank Schaefer /* NOTE: Headers are always 4 bytes and 653227b7c90SFrank Schaefer * never split across packets */ 654227b7c90SFrank Schaefer if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && 655227b7c90SFrank Schaefer data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { 656227b7c90SFrank Schaefer /* Continuation */ 657227b7c90SFrank Schaefer data_pkt += 4; 658227b7c90SFrank Schaefer data_len -= 4; 659227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { 660227b7c90SFrank Schaefer /* Field start (VBI mode) */ 661f0e38230SFrank Schaefer v4l2->capture_type = 0; 662f0e38230SFrank Schaefer v4l2->vbi_read = 0; 663227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 664f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 665227b7c90SFrank Schaefer data_pkt += 4; 666227b7c90SFrank Schaefer data_len -= 4; 667227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { 668227b7c90SFrank Schaefer /* Field start (VBI disabled) */ 669f0e38230SFrank Schaefer v4l2->capture_type = 2; 670227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 671f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 672227b7c90SFrank Schaefer data_pkt += 4; 673227b7c90SFrank Schaefer data_len -= 4; 674227b7c90SFrank Schaefer } 675227b7c90SFrank Schaefer } 676227b7c90SFrank Schaefer /* NOTE: With bulk transfers, intermediate data packets 677227b7c90SFrank Schaefer * have no continuation header */ 678227b7c90SFrank Schaefer 679f0e38230SFrank Schaefer if (v4l2->capture_type == 0) { 680227b7c90SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 681227b7c90SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 682f0e38230SFrank Schaefer v4l2->capture_type = 1; 683227b7c90SFrank Schaefer } 684227b7c90SFrank Schaefer 685f0e38230SFrank Schaefer if (v4l2->capture_type == 1) { 686753aee77SFrank Schaefer int vbi_size = v4l2->vbi_width * v4l2->vbi_height; 687f0e38230SFrank Schaefer int vbi_data_len = ((v4l2->vbi_read + data_len) > vbi_size) ? 688f0e38230SFrank Schaefer (vbi_size - v4l2->vbi_read) : data_len; 689227b7c90SFrank Schaefer 690227b7c90SFrank Schaefer /* Copy VBI data */ 691227b7c90SFrank Schaefer if (vbi_buf != NULL) 692227b7c90SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); 693f0e38230SFrank Schaefer v4l2->vbi_read += vbi_data_len; 694227b7c90SFrank Schaefer 695227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 696227b7c90SFrank Schaefer /* Continue with copying video data */ 697f0e38230SFrank Schaefer v4l2->capture_type = 2; 698227b7c90SFrank Schaefer data_pkt += vbi_data_len; 699227b7c90SFrank Schaefer data_len -= vbi_data_len; 700227b7c90SFrank Schaefer } 701227b7c90SFrank Schaefer } 702227b7c90SFrank Schaefer 703f0e38230SFrank Schaefer if (v4l2->capture_type == 2) { 704227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 705227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 706f0e38230SFrank Schaefer v4l2->capture_type = 3; 707227b7c90SFrank Schaefer } 708227b7c90SFrank Schaefer 709f0e38230SFrank Schaefer if (v4l2->capture_type == 3 && buf != NULL && data_len > 0) 710227b7c90SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 711227b7c90SFrank Schaefer } 712227b7c90SFrank Schaefer 713e507e0e5SFrank Schaefer /* 714e507e0e5SFrank Schaefer * Process data packet according to the em25xx/em276x/7x/8x frame data format 715e507e0e5SFrank Schaefer */ 716e507e0e5SFrank Schaefer static inline void process_frame_data_em25xx(struct em28xx *dev, 717e507e0e5SFrank Schaefer unsigned char *data_pkt, 718e507e0e5SFrank Schaefer unsigned int data_len) 719e507e0e5SFrank Schaefer { 720e507e0e5SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 721e507e0e5SFrank Schaefer struct em28xx_dmaqueue *dmaq = &dev->vidq; 722f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 7237e6c8c19SMauro Carvalho Chehab bool frame_end = false; 724e507e0e5SFrank Schaefer 725e507e0e5SFrank Schaefer /* Check for header */ 726e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 727e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 728e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 729e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 730e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 731f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[1] & 732e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 733e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 734e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 735e507e0e5SFrank Schaefer data_pkt += 2; 736e507e0e5SFrank Schaefer data_len -= 2; 737e507e0e5SFrank Schaefer } 738e507e0e5SFrank Schaefer 739e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 740e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 741e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 742e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 743e507e0e5SFrank Schaefer } 744e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 745e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 746e507e0e5SFrank Schaefer * first frame. 747e507e0e5SFrank Schaefer */ 748e507e0e5SFrank Schaefer } 749e507e0e5SFrank Schaefer 750e507e0e5SFrank Schaefer /* Copy data */ 751e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 752e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 753e507e0e5SFrank Schaefer 754e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 755e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 756e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 757e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 758e507e0e5SFrank Schaefer } 759e507e0e5SFrank Schaefer 760e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 761e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 762e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 763e507e0e5SFrank Schaefer * header like with the other em28xx devices. 764e507e0e5SFrank Schaefer */ 765e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 766e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 767e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 768e507e0e5SFrank Schaefer } 769e507e0e5SFrank Schaefer 770960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7710fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7720c0d06caSMauro Carvalho Chehab { 773227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 774227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 775227b7c90SFrank Schaefer unsigned int usb_data_len; 7760c0d06caSMauro Carvalho Chehab 7770c0d06caSMauro Carvalho Chehab if (!dev) 7780c0d06caSMauro Carvalho Chehab return 0; 7790c0d06caSMauro Carvalho Chehab 7802665c299SFrank Schaefer if (dev->disconnected) 7810c0d06caSMauro Carvalho Chehab return 0; 7820c0d06caSMauro Carvalho Chehab 7831653cb0cSFrank Schaefer if (urb->status < 0) 7840c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7850c0d06caSMauro Carvalho Chehab 7864601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7874601cc39SFrank Schaefer 7884601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7894601cc39SFrank Schaefer num_packets = 1; 7904601cc39SFrank Schaefer else /* isoc */ 7914601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7920c0d06caSMauro Carvalho Chehab 7934601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7944601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 795227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 7964601cc39SFrank Schaefer 797227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 7984601cc39SFrank Schaefer } else { /* isoc */ 7994601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 8004601cc39SFrank Schaefer print_err_status(dev, i, 8014601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 8020c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 8030c0d06caSMauro Carvalho Chehab continue; 8040c0d06caSMauro Carvalho Chehab } 8050c0d06caSMauro Carvalho Chehab 806227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 807227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 8080c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 8090c0d06caSMauro Carvalho Chehab continue; 8100c0d06caSMauro Carvalho Chehab } 8110c0d06caSMauro Carvalho Chehab 812227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8134601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8144601cc39SFrank Schaefer } 8154601cc39SFrank Schaefer 816227b7c90SFrank Schaefer if (usb_data_len == 0) { 8174601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8184601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8194601cc39SFrank Schaefer continue; 8204601cc39SFrank Schaefer } 8210c0d06caSMauro Carvalho Chehab 822e507e0e5SFrank Schaefer if (dev->is_em25xx) 823e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 824e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 825e507e0e5SFrank Schaefer else 826e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 827e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 828e507e0e5SFrank Schaefer 8290c0d06caSMauro Carvalho Chehab } 830227b7c90SFrank Schaefer return 1; 8310c0d06caSMauro Carvalho Chehab } 8320c0d06caSMauro Carvalho Chehab 833d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 834d3829fadSDevin Heitmueller { 835d3829fadSDevin Heitmueller switch (f_type) { 836d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 837d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 838d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 839d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 840d3829fadSDevin Heitmueller default: 841d3829fadSDevin Heitmueller BUG(); 842d3829fadSDevin Heitmueller } 843d3829fadSDevin Heitmueller } 844d3829fadSDevin Heitmueller 845d3829fadSDevin Heitmueller /* Usage lock check functions */ 846d3829fadSDevin Heitmueller static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) 847d3829fadSDevin Heitmueller { 848d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 849d3829fadSDevin Heitmueller 850d3829fadSDevin Heitmueller /* is it free? */ 851d3829fadSDevin Heitmueller if (dev->resources & res_type) { 852d3829fadSDevin Heitmueller /* no, someone else uses it */ 853d3829fadSDevin Heitmueller return -EBUSY; 854d3829fadSDevin Heitmueller } 855d3829fadSDevin Heitmueller 856d3829fadSDevin Heitmueller /* it's free, grab it */ 857d3829fadSDevin Heitmueller dev->resources |= res_type; 858d3829fadSDevin Heitmueller em28xx_videodbg("res: get %d\n", res_type); 859d3829fadSDevin Heitmueller return 0; 860d3829fadSDevin Heitmueller } 861d3829fadSDevin Heitmueller 862d3829fadSDevin Heitmueller static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) 863d3829fadSDevin Heitmueller { 864d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 865d3829fadSDevin Heitmueller 866d3829fadSDevin Heitmueller dev->resources &= ~res_type; 867d3829fadSDevin Heitmueller em28xx_videodbg("res: put %d\n", res_type); 868d3829fadSDevin Heitmueller } 869d3829fadSDevin Heitmueller 8700c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 871d3829fadSDevin Heitmueller Videobuf2 operations 8720c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8730c0d06caSMauro Carvalho Chehab 87433119e80SJunghak Sung static int queue_setup(struct vb2_queue *vq, const void *parg, 875d3829fadSDevin Heitmueller unsigned int *nbuffers, unsigned int *nplanes, 876d3829fadSDevin Heitmueller unsigned int sizes[], void *alloc_ctxs[]) 8770c0d06caSMauro Carvalho Chehab { 87833119e80SJunghak Sung const struct v4l2_format *fmt = parg; 879d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 880753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 881d3829fadSDevin Heitmueller unsigned long size; 8820c0d06caSMauro Carvalho Chehab 883d3829fadSDevin Heitmueller if (fmt) 884d3829fadSDevin Heitmueller size = fmt->fmt.pix.sizeimage; 885d3829fadSDevin Heitmueller else 886753aee77SFrank Schaefer size = 88706e20672SFrank Schaefer (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 8880c0d06caSMauro Carvalho Chehab 889d3829fadSDevin Heitmueller if (size == 0) 890d3829fadSDevin Heitmueller return -EINVAL; 8910c0d06caSMauro Carvalho Chehab 892d3829fadSDevin Heitmueller if (0 == *nbuffers) 893d3829fadSDevin Heitmueller *nbuffers = 32; 8940c0d06caSMauro Carvalho Chehab 895d3829fadSDevin Heitmueller *nplanes = 1; 896d3829fadSDevin Heitmueller sizes[0] = size; 8970c0d06caSMauro Carvalho Chehab 8980c0d06caSMauro Carvalho Chehab return 0; 8990c0d06caSMauro Carvalho Chehab } 9000c0d06caSMauro Carvalho Chehab 9010c0d06caSMauro Carvalho Chehab static int 902d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 9030c0d06caSMauro Carvalho Chehab { 9042d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 905d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 906753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 907d3829fadSDevin Heitmueller unsigned long size; 9080c0d06caSMauro Carvalho Chehab 9092d700715SJunghak Sung em28xx_videodbg("%s, field=%d\n", __func__, vbuf->field); 9100c0d06caSMauro Carvalho Chehab 91106e20672SFrank Schaefer size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 912d3829fadSDevin Heitmueller 913d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 914d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 915d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 9160c0d06caSMauro Carvalho Chehab return -EINVAL; 917d3829fadSDevin Heitmueller } 9182d700715SJunghak Sung vb2_set_plane_payload(vb, 0, size); 9190c0d06caSMauro Carvalho Chehab 920d3829fadSDevin Heitmueller return 0; 9210c0d06caSMauro Carvalho Chehab } 9220c0d06caSMauro Carvalho Chehab 923d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 924d3829fadSDevin Heitmueller { 925d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 926f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 927d3829fadSDevin Heitmueller struct v4l2_frequency f; 9282d700715SJunghak Sung struct v4l2_fh *owner; 929d3829fadSDevin Heitmueller int rc = 0; 9300c0d06caSMauro Carvalho Chehab 931d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 932d3829fadSDevin Heitmueller 933d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 934d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 935d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 936d3829fadSDevin Heitmueller if (rc) 937d3829fadSDevin Heitmueller return rc; 938d3829fadSDevin Heitmueller 9398139a4d5SFrank Schaefer if (v4l2->streaming_users == 0) { 940d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 941d3829fadSDevin Heitmueller 942d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 943d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 944d3829fadSDevin Heitmueller 945d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 946d3829fadSDevin Heitmueller some i2c device 947d3829fadSDevin Heitmueller */ 948d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 949d3829fadSDevin Heitmueller 950f0e38230SFrank Schaefer v4l2->capture_type = -1; 951c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 952c647a91aSFrank Schaefer dev->analog_xfer_bulk, 9530c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 9540c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 955c647a91aSFrank Schaefer dev->packet_multiplier, 9560fa4a402SFrank Schaefer em28xx_urb_data_copy); 9570c0d06caSMauro Carvalho Chehab if (rc < 0) 958032f1ddfSFrank Schaefer return rc; 959d3829fadSDevin Heitmueller 960d3829fadSDevin Heitmueller /* 961d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 962d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 963d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 964d3829fadSDevin Heitmueller */ 965d3829fadSDevin Heitmueller 966d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 967d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 9683854b0d8SFrank Schaefer f.frequency = v4l2->frequency; 9692d700715SJunghak Sung owner = (struct v4l2_fh *)vq->owner; 9702d700715SJunghak Sung if (owner && owner->vdev->vfl_type == VFL_TYPE_RADIO) 971d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 972d3829fadSDevin Heitmueller else 973d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 974f0e38230SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 97595d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 9760c0d06caSMauro Carvalho Chehab } 9770c0d06caSMauro Carvalho Chehab 9788139a4d5SFrank Schaefer v4l2->streaming_users++; 979032f1ddfSFrank Schaefer 9800c0d06caSMauro Carvalho Chehab return rc; 9810c0d06caSMauro Carvalho Chehab } 9820c0d06caSMauro Carvalho Chehab 983e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 9840c0d06caSMauro Carvalho Chehab { 985d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 9868139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 9870c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 988d3829fadSDevin Heitmueller unsigned long flags = 0; 9890c0d06caSMauro Carvalho Chehab 990d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9910c0d06caSMauro Carvalho Chehab 992d3829fadSDevin Heitmueller res_free(dev, vq->type); 993d3829fadSDevin Heitmueller 9948139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 995d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 996d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 9970c0d06caSMauro Carvalho Chehab } 9980c0d06caSMauro Carvalho Chehab 999d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1000627530c3SFrank Schaefer if (dev->usb_ctl.vid_buf != NULL) { 10012d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vid_buf->vb.vb2_buf, 10022d700715SJunghak Sung VB2_BUF_STATE_ERROR); 1003627530c3SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 1004627530c3SFrank Schaefer } 1005d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 1006d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1007fdf1bc9fSMauro Carvalho Chehab 1008d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 1009d3829fadSDevin Heitmueller list_del(&buf->list); 10102d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1011d3829fadSDevin Heitmueller } 1012d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1013d3829fadSDevin Heitmueller } 1014d3829fadSDevin Heitmueller 1015e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 10160c0d06caSMauro Carvalho Chehab { 1017d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 10188139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1019d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 1020d3829fadSDevin Heitmueller unsigned long flags = 0; 10210c0d06caSMauro Carvalho Chehab 1022d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 10230c0d06caSMauro Carvalho Chehab 1024d3829fadSDevin Heitmueller res_free(dev, vq->type); 1025d3829fadSDevin Heitmueller 10268139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 1027d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1028d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 10290c0d06caSMauro Carvalho Chehab } 10300c0d06caSMauro Carvalho Chehab 1031d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1032627530c3SFrank Schaefer if (dev->usb_ctl.vbi_buf != NULL) { 10332d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb.vb2_buf, 10342d700715SJunghak Sung VB2_BUF_STATE_ERROR); 1035627530c3SFrank Schaefer dev->usb_ctl.vbi_buf = NULL; 1036627530c3SFrank Schaefer } 1037d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1038d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1039fdf1bc9fSMauro Carvalho Chehab 1040d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1041d3829fadSDevin Heitmueller list_del(&buf->list); 10422d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1043d3829fadSDevin Heitmueller } 1044d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1045d3829fadSDevin Heitmueller } 1046d3829fadSDevin Heitmueller 1047d3829fadSDevin Heitmueller static void 1048d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1049d3829fadSDevin Heitmueller { 10502d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1051d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 10522d700715SJunghak Sung struct em28xx_buffer *buf = 10532d700715SJunghak Sung container_of(vbuf, struct em28xx_buffer, vb); 1054d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1055d3829fadSDevin Heitmueller unsigned long flags = 0; 1056d3829fadSDevin Heitmueller 1057d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1058d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1059d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1060d3829fadSDevin Heitmueller 1061d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1062d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1063d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1064d3829fadSDevin Heitmueller } 1065d3829fadSDevin Heitmueller 1066d3829fadSDevin Heitmueller static struct vb2_ops em28xx_video_qops = { 1067d3829fadSDevin Heitmueller .queue_setup = queue_setup, 10680c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 10690c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1070d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1071d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1072d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1073d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 10740c0d06caSMauro Carvalho Chehab }; 10750c0d06caSMauro Carvalho Chehab 107601c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1077d3829fadSDevin Heitmueller { 1078d3829fadSDevin Heitmueller int rc; 1079d3829fadSDevin Heitmueller struct vb2_queue *q; 108027a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1081d3829fadSDevin Heitmueller 1082d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 108327a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1084d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1085ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1086ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1087d3829fadSDevin Heitmueller q->drv_priv = dev; 1088d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1089d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1090d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1091d3829fadSDevin Heitmueller 1092d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1093d3829fadSDevin Heitmueller if (rc < 0) 1094d3829fadSDevin Heitmueller return rc; 1095d3829fadSDevin Heitmueller 1096d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 109727a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1098d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1099d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1100ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1101d3829fadSDevin Heitmueller q->drv_priv = dev; 1102d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1103d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1104d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1105d3829fadSDevin Heitmueller 1106d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1107d3829fadSDevin Heitmueller if (rc < 0) 1108d3829fadSDevin Heitmueller return rc; 1109d3829fadSDevin Heitmueller 1110d3829fadSDevin Heitmueller return 0; 1111d3829fadSDevin Heitmueller } 1112d3829fadSDevin Heitmueller 11130c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 11140c0d06caSMauro Carvalho Chehab 11150c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 11160c0d06caSMauro Carvalho Chehab { 111795d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 1118fdf1bc9fSMauro Carvalho Chehab 11190c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 11200c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 11210c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 11220c0d06caSMauro Carvalho Chehab 11230c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11240c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11250c0d06caSMauro Carvalho Chehab 112695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 11270c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 11280c0d06caSMauro Carvalho Chehab 11290c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 11300c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 113195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 11320c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 11330c0d06caSMauro Carvalho Chehab } 11340c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 113595d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 1136fdf1bc9fSMauro Carvalho Chehab dev->ctl_ainput, 1137fdf1bc9fSMauro Carvalho Chehab MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11380c0d06caSMauro Carvalho Chehab } 11390c0d06caSMauro Carvalho Chehab 11400c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 114195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11420c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11430c0d06caSMauro Carvalho Chehab } 11440c0d06caSMauro Carvalho Chehab 11450c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11460c0d06caSMauro Carvalho Chehab } 11470c0d06caSMauro Carvalho Chehab 114801c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11490c0d06caSMauro Carvalho Chehab { 1150081b945eSHans Verkuil struct em28xx *dev = priv; 11510c0d06caSMauro Carvalho Chehab 11520c0d06caSMauro Carvalho Chehab /* 1153081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1154081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1155081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1156081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11570c0d06caSMauro Carvalho Chehab */ 11580c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11590c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1160081b945eSHans Verkuil dev->mute = ctrl->val; 1161081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11620c0d06caSMauro Carvalho Chehab break; 11630c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1164081b945eSHans Verkuil dev->volume = ctrl->val; 1165081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1166081b945eSHans Verkuil break; 1167081b945eSHans Verkuil } 1168081b945eSHans Verkuil } 1169081b945eSHans Verkuil 1170081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1171081b945eSHans Verkuil { 1172abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1173abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1174abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11758f8b113aSFrank Schaefer int ret = -EINVAL; 1176081b945eSHans Verkuil 1177081b945eSHans Verkuil switch (ctrl->id) { 1178081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1179081b945eSHans Verkuil dev->mute = ctrl->val; 11808f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1181081b945eSHans Verkuil break; 1182081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1183081b945eSHans Verkuil dev->volume = ctrl->val; 11848f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11858f8b113aSFrank Schaefer break; 11868f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11878f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11888f8b113aSFrank Schaefer break; 11898f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11908f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11918f8b113aSFrank Schaefer break; 11928f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11938f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11948f8b113aSFrank Schaefer break; 11958f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11968f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11978f8b113aSFrank Schaefer break; 11988f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11998f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 12008f8b113aSFrank Schaefer break; 12018f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 12028f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 12030c0d06caSMauro Carvalho Chehab break; 12040c0d06caSMauro Carvalho Chehab } 12050c0d06caSMauro Carvalho Chehab 12068f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 12070c0d06caSMauro Carvalho Chehab } 12080c0d06caSMauro Carvalho Chehab 12098068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1210081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1211081b945eSHans Verkuil }; 1212081b945eSHans Verkuil 12136b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 12140c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 12150c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 12160c0d06caSMauro Carvalho Chehab { 12170c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12180c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12190c0d06caSMauro Carvalho Chehab 12200c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 122181685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 122281685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 12230c0d06caSMauro Carvalho Chehab 12240c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 122581685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 122681685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 12270c0d06caSMauro Carvalho Chehab } 12280c0d06caSMauro Carvalho Chehab 1229b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1230b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1231b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1232b8374138SFrank Schaefer { 1233b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1234b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1235b8374138SFrank Schaefer 1236b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1237b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1238b8374138SFrank Schaefer } 1239b8374138SFrank Schaefer 12400c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12410c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12420c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12430c0d06caSMauro Carvalho Chehab 12440c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12450c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12460c0d06caSMauro Carvalho Chehab { 1247917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1248753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12490c0d06caSMauro Carvalho Chehab 1250753aee77SFrank Schaefer f->fmt.pix.width = v4l2->width; 1251753aee77SFrank Schaefer f->fmt.pix.height = v4l2->height; 125206e20672SFrank Schaefer f->fmt.pix.pixelformat = v4l2->format->fourcc; 125306e20672SFrank Schaefer f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; 1254753aee77SFrank Schaefer f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; 12550c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12560c0d06caSMauro Carvalho Chehab 12570c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 125858159171SFrank Schaefer if (v4l2->progressive) 12590c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12600c0d06caSMauro Carvalho Chehab else 126158159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 12620c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12630c0d06caSMauro Carvalho Chehab return 0; 12640c0d06caSMauro Carvalho Chehab } 12650c0d06caSMauro Carvalho Chehab 12660c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12670c0d06caSMauro Carvalho Chehab { 12680c0d06caSMauro Carvalho Chehab unsigned int i; 12690c0d06caSMauro Carvalho Chehab 12700c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12710c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12720c0d06caSMauro Carvalho Chehab return &format[i]; 12730c0d06caSMauro Carvalho Chehab 12740c0d06caSMauro Carvalho Chehab return NULL; 12750c0d06caSMauro Carvalho Chehab } 12760c0d06caSMauro Carvalho Chehab 12770c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12780c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12790c0d06caSMauro Carvalho Chehab { 1280917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 128158159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12820c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12830c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12840c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12850c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12860c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12870c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12880c0d06caSMauro Carvalho Chehab 12890c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12900c0d06caSMauro Carvalho Chehab if (!fmt) { 12910c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12920c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12930c0d06caSMauro Carvalho Chehab return -EINVAL; 12940c0d06caSMauro Carvalho Chehab } 12950c0d06caSMauro Carvalho Chehab 12960c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12970c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12980c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12990c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1300d3829fadSDevin Heitmueller /* 1301d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1302d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1303d3829fadSDevin Heitmueller * to 50% 1304d3829fadSDevin Heitmueller */ 13050c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 13060c0d06caSMauro Carvalho Chehab width /= 2; 13070c0d06caSMauro Carvalho Chehab } else { 13080c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 13090c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 13100c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 13110c0d06caSMauro Carvalho Chehab 1, 0); 13120c0d06caSMauro Carvalho Chehab } 13130c0d06caSMauro Carvalho Chehab 13146b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 131546f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 13160c0d06caSMauro Carvalho Chehab 13170c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 13180c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 13190c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1320e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 13210c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 13220c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 132358159171SFrank Schaefer if (v4l2->progressive) 13240c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 13250c0d06caSMauro Carvalho Chehab else 132658159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 13270c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 132851dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 13290c0d06caSMauro Carvalho Chehab 13300c0d06caSMauro Carvalho Chehab return 0; 13310c0d06caSMauro Carvalho Chehab } 13320c0d06caSMauro Carvalho Chehab 13330c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 13340c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13350c0d06caSMauro Carvalho Chehab { 13360c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 1337753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13380c0d06caSMauro Carvalho Chehab 13390c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13400c0d06caSMauro Carvalho Chehab if (!fmt) 13410c0d06caSMauro Carvalho Chehab return -EINVAL; 13420c0d06caSMauro Carvalho Chehab 134306e20672SFrank Schaefer v4l2->format = fmt; 1344753aee77SFrank Schaefer v4l2->width = width; 1345753aee77SFrank Schaefer v4l2->height = height; 13460c0d06caSMauro Carvalho Chehab 13470c0d06caSMauro Carvalho Chehab /* set new image size */ 1348753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1349753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13500c0d06caSMauro Carvalho Chehab 13510c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13520c0d06caSMauro Carvalho Chehab 13530c0d06caSMauro Carvalho Chehab return 0; 13540c0d06caSMauro Carvalho Chehab } 13550c0d06caSMauro Carvalho Chehab 13560c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13570c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13580c0d06caSMauro Carvalho Chehab { 1359d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13608139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13610c0d06caSMauro Carvalho Chehab 1362c7854c2cSMauro Carvalho Chehab if (vb2_is_busy(&v4l2->vb_vidq)) 1363d3829fadSDevin Heitmueller return -EBUSY; 13640c0d06caSMauro Carvalho Chehab 13650c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13660c0d06caSMauro Carvalho Chehab 13670c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13680c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13690c0d06caSMauro Carvalho Chehab } 13700c0d06caSMauro Carvalho Chehab 13710c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13720c0d06caSMauro Carvalho Chehab { 1373917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 13740c0d06caSMauro Carvalho Chehab 137552faaf78SFrank Schaefer *norm = dev->v4l2->norm; 13760c0d06caSMauro Carvalho Chehab 13770c0d06caSMauro Carvalho Chehab return 0; 13780c0d06caSMauro Carvalho Chehab } 13790c0d06caSMauro Carvalho Chehab 13800c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13810c0d06caSMauro Carvalho Chehab { 1382917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 13830c0d06caSMauro Carvalho Chehab 138495d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13850c0d06caSMauro Carvalho Chehab 13860c0d06caSMauro Carvalho Chehab return 0; 13870c0d06caSMauro Carvalho Chehab } 13880c0d06caSMauro Carvalho Chehab 1389314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13900c0d06caSMauro Carvalho Chehab { 1391917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1392753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13930c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13940c0d06caSMauro Carvalho Chehab 139552faaf78SFrank Schaefer if (norm == v4l2->norm) 1396d8c95c08SHans Verkuil return 0; 13970c0d06caSMauro Carvalho Chehab 13988139a4d5SFrank Schaefer if (v4l2->streaming_users > 0) 1399d8c95c08SHans Verkuil return -EBUSY; 1400d8c95c08SHans Verkuil 140152faaf78SFrank Schaefer v4l2->norm = norm; 14020c0d06caSMauro Carvalho Chehab 14030c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1404d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1405314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 14060c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 14070c0d06caSMauro Carvalho Chehab 14080c0d06caSMauro Carvalho Chehab /* set new image size */ 1409753aee77SFrank Schaefer v4l2->width = f.fmt.pix.width; 1410753aee77SFrank Schaefer v4l2->height = f.fmt.pix.height; 1411753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1412753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 14130c0d06caSMauro Carvalho Chehab 14140c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 14158774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 14160c0d06caSMauro Carvalho Chehab 14170c0d06caSMauro Carvalho Chehab return 0; 14180c0d06caSMauro Carvalho Chehab } 14190c0d06caSMauro Carvalho Chehab 14200c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 14210c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14220c0d06caSMauro Carvalho Chehab { 1423917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 142452faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14250c0d06caSMauro Carvalho Chehab int rc = 0; 14260c0d06caSMauro Carvalho Chehab 142786ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 14280c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 142952faaf78SFrank Schaefer rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, 14300c0d06caSMauro Carvalho Chehab video, g_parm, p); 14310c0d06caSMauro Carvalho Chehab else 143252faaf78SFrank Schaefer v4l2_video_std_frame_period(v4l2->norm, 14330c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 14340c0d06caSMauro Carvalho Chehab 14350c0d06caSMauro Carvalho Chehab return rc; 14360c0d06caSMauro Carvalho Chehab } 14370c0d06caSMauro Carvalho Chehab 14380c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14390c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14400c0d06caSMauro Carvalho Chehab { 1441917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14420c0d06caSMauro Carvalho Chehab 144386ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 144495d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 144595d2608bSFrank Schaefer 0, video, s_parm, p); 14460c0d06caSMauro Carvalho Chehab } 14470c0d06caSMauro Carvalho Chehab 14480c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14490c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14500c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14510c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14520c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14530c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14540c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14550c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14560c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14570c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14580c0d06caSMauro Carvalho Chehab }; 14590c0d06caSMauro Carvalho Chehab 14600c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14610c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14620c0d06caSMauro Carvalho Chehab { 1463917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14640c0d06caSMauro Carvalho Chehab unsigned int n; 14650c0d06caSMauro Carvalho Chehab 14660c0d06caSMauro Carvalho Chehab n = i->index; 14670c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14680c0d06caSMauro Carvalho Chehab return -EINVAL; 14690c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14700c0d06caSMauro Carvalho Chehab return -EINVAL; 14710c0d06caSMauro Carvalho Chehab 14720c0d06caSMauro Carvalho Chehab i->index = n; 14730c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14740c0d06caSMauro Carvalho Chehab 14750c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14760c0d06caSMauro Carvalho Chehab 14770c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14780c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14790c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14800c0d06caSMauro Carvalho Chehab 1481d4352f36SHans Verkuil i->std = dev->v4l2->vdev.tvnorms; 1482d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1483d8c95c08SHans Verkuil if (dev->board.is_webcam) 1484d8c95c08SHans Verkuil i->capabilities = 0; 14850c0d06caSMauro Carvalho Chehab 14860c0d06caSMauro Carvalho Chehab return 0; 14870c0d06caSMauro Carvalho Chehab } 14880c0d06caSMauro Carvalho Chehab 14890c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14900c0d06caSMauro Carvalho Chehab { 1491917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14920c0d06caSMauro Carvalho Chehab 14930c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14940c0d06caSMauro Carvalho Chehab 14950c0d06caSMauro Carvalho Chehab return 0; 14960c0d06caSMauro Carvalho Chehab } 14970c0d06caSMauro Carvalho Chehab 14980c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14990c0d06caSMauro Carvalho Chehab { 1500917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15010c0d06caSMauro Carvalho Chehab 15020c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 15030c0d06caSMauro Carvalho Chehab return -EINVAL; 15040c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 15050c0d06caSMauro Carvalho Chehab return -EINVAL; 15060c0d06caSMauro Carvalho Chehab 15070c0d06caSMauro Carvalho Chehab video_mux(dev, i); 15080c0d06caSMauro Carvalho Chehab return 0; 15090c0d06caSMauro Carvalho Chehab } 15100c0d06caSMauro Carvalho Chehab 15110c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 15120c0d06caSMauro Carvalho Chehab { 1513917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab switch (a->index) { 15160c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 15170c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 15180c0d06caSMauro Carvalho Chehab break; 15190c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 15200c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 15210c0d06caSMauro Carvalho Chehab break; 15220c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 15230c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 15240c0d06caSMauro Carvalho Chehab break; 15250c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 15260c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 15270c0d06caSMauro Carvalho Chehab break; 15280c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 15290c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 15300c0d06caSMauro Carvalho Chehab break; 15310c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15320c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15330c0d06caSMauro Carvalho Chehab break; 15340c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15350c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15360c0d06caSMauro Carvalho Chehab break; 15370c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15380c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15390c0d06caSMauro Carvalho Chehab break; 15400c0d06caSMauro Carvalho Chehab default: 15410c0d06caSMauro Carvalho Chehab return -EINVAL; 15420c0d06caSMauro Carvalho Chehab } 15430c0d06caSMauro Carvalho Chehab 15440c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15450c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15460c0d06caSMauro Carvalho Chehab 15470c0d06caSMauro Carvalho Chehab return 0; 15480c0d06caSMauro Carvalho Chehab } 15490c0d06caSMauro Carvalho Chehab 15500e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15510c0d06caSMauro Carvalho Chehab { 1552917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15530c0d06caSMauro Carvalho Chehab 15540c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15550c0d06caSMauro Carvalho Chehab return -EINVAL; 15560c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15570c0d06caSMauro Carvalho Chehab return -EINVAL; 15580c0d06caSMauro Carvalho Chehab 15590c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15600c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15610c0d06caSMauro Carvalho Chehab 15620c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15630c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab return 0; 15660c0d06caSMauro Carvalho Chehab } 15670c0d06caSMauro Carvalho Chehab 15680c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15690c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15700c0d06caSMauro Carvalho Chehab { 1571917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15720c0d06caSMauro Carvalho Chehab 15730c0d06caSMauro Carvalho Chehab if (0 != t->index) 15740c0d06caSMauro Carvalho Chehab return -EINVAL; 15750c0d06caSMauro Carvalho Chehab 15760c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15770c0d06caSMauro Carvalho Chehab 157895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15790c0d06caSMauro Carvalho Chehab return 0; 15800c0d06caSMauro Carvalho Chehab } 15810c0d06caSMauro Carvalho Chehab 15820c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15832f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15840c0d06caSMauro Carvalho Chehab { 1585917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15860c0d06caSMauro Carvalho Chehab 15870c0d06caSMauro Carvalho Chehab if (0 != t->index) 15880c0d06caSMauro Carvalho Chehab return -EINVAL; 15890c0d06caSMauro Carvalho Chehab 159095d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15910c0d06caSMauro Carvalho Chehab return 0; 15920c0d06caSMauro Carvalho Chehab } 15930c0d06caSMauro Carvalho Chehab 15940c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15950c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15960c0d06caSMauro Carvalho Chehab { 1597917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15983854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15990c0d06caSMauro Carvalho Chehab 160020deebfeSHans Verkuil if (0 != f->tuner) 160120deebfeSHans Verkuil return -EINVAL; 160220deebfeSHans Verkuil 16033854b0d8SFrank Schaefer f->frequency = v4l2->frequency; 16040c0d06caSMauro Carvalho Chehab return 0; 16050c0d06caSMauro Carvalho Chehab } 16060c0d06caSMauro Carvalho Chehab 16070c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1608b530a447SHans Verkuil const struct v4l2_frequency *f) 16090c0d06caSMauro Carvalho Chehab { 1610b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 1611917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 161295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16130c0d06caSMauro Carvalho Chehab 16140c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 16150c0d06caSMauro Carvalho Chehab return -EINVAL; 16160c0d06caSMauro Carvalho Chehab 161795d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 161895d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 16193854b0d8SFrank Schaefer v4l2->frequency = new_freq.frequency; 16200c0d06caSMauro Carvalho Chehab 16210c0d06caSMauro Carvalho Chehab return 0; 16220c0d06caSMauro Carvalho Chehab } 16230c0d06caSMauro Carvalho Chehab 1624cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 162596b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 162696b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 16273b2d17b4SHans Verkuil { 1628917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16293b2d17b4SHans Verkuil 16303b2d17b4SHans Verkuil if (chip->match.addr > 1) 16313b2d17b4SHans Verkuil return -EINVAL; 16323b2d17b4SHans Verkuil if (chip->match.addr == 1) 16333b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16343b2d17b4SHans Verkuil else 163595d2608bSFrank Schaefer strlcpy(chip->name, 163695d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16373b2d17b4SHans Verkuil return 0; 16383b2d17b4SHans Verkuil } 16393b2d17b4SHans Verkuil 164035deba32SFrank Schaefer static int em28xx_reg_len(int reg) 164135deba32SFrank Schaefer { 164235deba32SFrank Schaefer switch (reg) { 164335deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 164435deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 164535deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 164635deba32SFrank Schaefer return 2; 164735deba32SFrank Schaefer default: 164835deba32SFrank Schaefer return 1; 164935deba32SFrank Schaefer } 165035deba32SFrank Schaefer } 16510c0d06caSMauro Carvalho Chehab 16520c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16530c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16540c0d06caSMauro Carvalho Chehab { 1655917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16560c0d06caSMauro Carvalho Chehab int ret; 16570c0d06caSMauro Carvalho Chehab 16583b2d17b4SHans Verkuil if (reg->match.addr > 1) 16593b2d17b4SHans Verkuil return -EINVAL; 1660abca2056SHans Verkuil if (reg->match.addr) { 16610c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16620c0d06caSMauro Carvalho Chehab if (ret < 0) 16630c0d06caSMauro Carvalho Chehab return ret; 16640c0d06caSMauro Carvalho Chehab 16650c0d06caSMauro Carvalho Chehab reg->val = ret; 16660c0d06caSMauro Carvalho Chehab reg->size = 1; 16670c0d06caSMauro Carvalho Chehab return 0; 16680c0d06caSMauro Carvalho Chehab } 16690c0d06caSMauro Carvalho Chehab 16700c0d06caSMauro Carvalho Chehab /* Match host */ 16710c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16720c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16730c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16740c0d06caSMauro Carvalho Chehab 16750c0d06caSMauro Carvalho Chehab if (ret < 0) 16760c0d06caSMauro Carvalho Chehab return ret; 16770c0d06caSMauro Carvalho Chehab 16780c0d06caSMauro Carvalho Chehab reg->val = ret; 16790c0d06caSMauro Carvalho Chehab } else { 16800c0d06caSMauro Carvalho Chehab __le16 val = 0; 1681fdf1bc9fSMauro Carvalho Chehab 168201c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16830c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16840c0d06caSMauro Carvalho Chehab if (ret < 0) 16850c0d06caSMauro Carvalho Chehab return ret; 16860c0d06caSMauro Carvalho Chehab 16870c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16880c0d06caSMauro Carvalho Chehab } 16890c0d06caSMauro Carvalho Chehab 16900c0d06caSMauro Carvalho Chehab return 0; 16910c0d06caSMauro Carvalho Chehab } 16920c0d06caSMauro Carvalho Chehab 16930c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1694977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16950c0d06caSMauro Carvalho Chehab { 1696917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16970c0d06caSMauro Carvalho Chehab __le16 buf; 16980c0d06caSMauro Carvalho Chehab 16993b2d17b4SHans Verkuil if (reg->match.addr > 1) 17003b2d17b4SHans Verkuil return -EINVAL; 1701abca2056SHans Verkuil if (reg->match.addr) 17020c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 17030c0d06caSMauro Carvalho Chehab 17040c0d06caSMauro Carvalho Chehab /* Match host */ 17050c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 17060c0d06caSMauro Carvalho Chehab 17070c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 17080c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 17090c0d06caSMauro Carvalho Chehab } 17100c0d06caSMauro Carvalho Chehab #endif 17110c0d06caSMauro Carvalho Chehab 17120c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17130c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17140c0d06caSMauro Carvalho Chehab { 1715a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 1716917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1717ef74a0b9SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 17180c0d06caSMauro Carvalho Chehab 17190c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 17200c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 17210c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 17220c0d06caSMauro Carvalho Chehab 1723a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1724a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1725a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1726a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1727a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1728a9d79fe5SHans Verkuil else 17291d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 17300c0d06caSMauro Carvalho Chehab 1731920f1e4aSFrank Schaefer if (dev->int_audio_type != EM28XX_INT_AUDIO_NONE) 1732a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 17330c0d06caSMauro Carvalho Chehab 17340c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1735a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 17360c0d06caSMauro Carvalho Chehab 1737a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1738a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1739d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 17401d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1741d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) 1742a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 17430c0d06caSMauro Carvalho Chehab return 0; 17440c0d06caSMauro Carvalho Chehab } 17450c0d06caSMauro Carvalho Chehab 17460c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17470c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17480c0d06caSMauro Carvalho Chehab { 17490c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17500c0d06caSMauro Carvalho Chehab return -EINVAL; 17510c0d06caSMauro Carvalho Chehab 17520c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 17530c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 17540c0d06caSMauro Carvalho Chehab 17550c0d06caSMauro Carvalho Chehab return 0; 17560c0d06caSMauro Carvalho Chehab } 17570c0d06caSMauro Carvalho Chehab 17580c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 17590c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 17600c0d06caSMauro Carvalho Chehab { 1761917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17620c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17630c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17640c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17650c0d06caSMauro Carvalho Chehab 17660c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17670c0d06caSMauro Carvalho Chehab if (!fmt) { 17680c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17690c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17700c0d06caSMauro Carvalho Chehab return -EINVAL; 17710c0d06caSMauro Carvalho Chehab } 17720c0d06caSMauro Carvalho Chehab 17730c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17740c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17750c0d06caSMauro Carvalho Chehab return -EINVAL; 17760c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17770c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17780c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17790c0d06caSMauro Carvalho Chehab return 0; 17800c0d06caSMauro Carvalho Chehab } 17810c0d06caSMauro Carvalho Chehab 17820c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17830c0d06caSMauro Carvalho Chehab return -EINVAL; 17840c0d06caSMauro Carvalho Chehab 17850c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17860c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17876c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17886c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17896c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17900c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17916c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17926c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17930c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17940c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17950c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17960c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17970c0d06caSMauro Carvalho Chehab return 0; 17980c0d06caSMauro Carvalho Chehab } 17990c0d06caSMauro Carvalho Chehab 18000c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 18010c0d06caSMauro Carvalho Chehab 18020c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 18030c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 18040c0d06caSMauro Carvalho Chehab { 1805917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1806753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18070c0d06caSMauro Carvalho Chehab 1808753aee77SFrank Schaefer format->fmt.vbi.samples_per_line = v4l2->vbi_width; 18090c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 18100c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 18110c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 18120c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 1813753aee77SFrank Schaefer format->fmt.vbi.count[0] = v4l2->vbi_height; 1814753aee77SFrank Schaefer format->fmt.vbi.count[1] = v4l2->vbi_height; 18152a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 18160c0d06caSMauro Carvalho Chehab 18170c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 181852faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 18190c0d06caSMauro Carvalho Chehab /* NTSC */ 18200c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 18210c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 182252faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 18230c0d06caSMauro Carvalho Chehab /* PAL */ 18240c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18250c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18260c0d06caSMauro Carvalho Chehab } 18270c0d06caSMauro Carvalho Chehab 18280c0d06caSMauro Carvalho Chehab return 0; 18290c0d06caSMauro Carvalho Chehab } 18300c0d06caSMauro Carvalho Chehab 18310c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18320c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18330c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18340c0d06caSMauro Carvalho Chehab 18350c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18360c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18370c0d06caSMauro Carvalho Chehab { 1838917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18390c0d06caSMauro Carvalho Chehab 18400c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18410c0d06caSMauro Carvalho Chehab return -EINVAL; 18420c0d06caSMauro Carvalho Chehab 18430c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18440c0d06caSMauro Carvalho Chehab 184595d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18460c0d06caSMauro Carvalho Chehab 18470c0d06caSMauro Carvalho Chehab return 0; 18480c0d06caSMauro Carvalho Chehab } 18490c0d06caSMauro Carvalho Chehab 18500c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18512f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18520c0d06caSMauro Carvalho Chehab { 1853917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18540c0d06caSMauro Carvalho Chehab 18550c0d06caSMauro Carvalho Chehab if (0 != t->index) 18560c0d06caSMauro Carvalho Chehab return -EINVAL; 18570c0d06caSMauro Carvalho Chehab 185895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18590c0d06caSMauro Carvalho Chehab 18600c0d06caSMauro Carvalho Chehab return 0; 18610c0d06caSMauro Carvalho Chehab } 18620c0d06caSMauro Carvalho Chehab 18630c0d06caSMauro Carvalho Chehab /* 186495d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 186595d2608bSFrank Schaefer * 186695d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 186795d2608bSFrank Schaefer * 186895d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 186995d2608bSFrank Schaefer */ 1870f472c0b5SMauro Carvalho Chehab static void em28xx_free_v4l2(struct kref *ref) 187195d2608bSFrank Schaefer { 187295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 187395d2608bSFrank Schaefer 1874abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 187595d2608bSFrank Schaefer kfree(v4l2); 187695d2608bSFrank Schaefer } 187795d2608bSFrank Schaefer 187895d2608bSFrank Schaefer /* 18790c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18800c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18810c0d06caSMauro Carvalho Chehab */ 18820c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18830c0d06caSMauro Carvalho Chehab { 18840c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18850c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 188695d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18870c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18883c0f90e1SFrank Schaefer int ret; 18890c0d06caSMauro Carvalho Chehab 18900c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18910c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18920c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18930c0d06caSMauro Carvalho Chehab break; 18940c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18950c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18960c0d06caSMauro Carvalho Chehab break; 18974e170240SFrank Schaefer case VFL_TYPE_RADIO: 18984e170240SFrank Schaefer break; 18994e170240SFrank Schaefer default: 19004e170240SFrank Schaefer return -EINVAL; 19010c0d06caSMauro Carvalho Chehab } 19020c0d06caSMauro Carvalho Chehab 19038e2c8717SFrank Schaefer em28xx_videodbg("open dev=%s type=%s users=%d\n", 19048e2c8717SFrank Schaefer video_device_node_name(vdev), v4l2_type_names[fh_type], 19058e2c8717SFrank Schaefer v4l2->users); 19060c0d06caSMauro Carvalho Chehab 19070c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19080c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19093c0f90e1SFrank Schaefer 19103c0f90e1SFrank Schaefer ret = v4l2_fh_open(filp); 19113c0f90e1SFrank Schaefer if (ret) { 19123c0f90e1SFrank Schaefer em28xx_errdev("%s: v4l2_fh_open() returned error %d\n", 19133c0f90e1SFrank Schaefer __func__, ret); 19140c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19153c0f90e1SFrank Schaefer return ret; 19160c0d06caSMauro Carvalho Chehab } 19170c0d06caSMauro Carvalho Chehab 19188e2c8717SFrank Schaefer if (v4l2->users == 0) { 19190c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19204e170240SFrank Schaefer 19214e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19220c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19230c0d06caSMauro Carvalho Chehab 19244e170240SFrank Schaefer /* 19254e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19264e170240SFrank Schaefer * of some i2c devices 19270c0d06caSMauro Carvalho Chehab */ 19280c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19290c0d06caSMauro Carvalho Chehab } 1930d3829fadSDevin Heitmueller 1931d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19320c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 193395d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19340c0d06caSMauro Carvalho Chehab } 19350c0d06caSMauro Carvalho Chehab 193647677e51SMauro Carvalho Chehab kref_get(&dev->ref); 193795d2608bSFrank Schaefer kref_get(&v4l2->ref); 19388e2c8717SFrank Schaefer v4l2->users++; 19390c0d06caSMauro Carvalho Chehab 19400c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19410c0d06caSMauro Carvalho Chehab 1942d3829fadSDevin Heitmueller return 0; 19430c0d06caSMauro Carvalho Chehab } 19440c0d06caSMauro Carvalho Chehab 19450c0d06caSMauro Carvalho Chehab /* 194601c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19470c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19480c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19490c0d06caSMauro Carvalho Chehab */ 195001c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19510c0d06caSMauro Carvalho Chehab { 195295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 195395d2608bSFrank Schaefer 1954822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1955822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1956822b8deaSMauro Carvalho Chehab return 0; 1957822b8deaSMauro Carvalho Chehab } 1958822b8deaSMauro Carvalho Chehab 195901c28193SMauro Carvalho Chehab if (!dev->has_video) { 196001c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 196101c28193SMauro Carvalho Chehab return 0; 196201c28193SMauro Carvalho Chehab } 19630c0d06caSMauro Carvalho Chehab 196495d2608bSFrank Schaefer if (v4l2 == NULL) 196595d2608bSFrank Schaefer return 0; 196695d2608bSFrank Schaefer 19670418ca60SRussell King em28xx_info("Closing video extension\n"); 1968aa929ad7SMauro Carvalho Chehab 1969ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1970ebbfbc20SMauro Carvalho Chehab 197195d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19725ad10de6SFrank Schaefer 197323e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 197423e8642cSFrank Schaefer 1975d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) { 1976e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1977d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 1978d4352f36SHans Verkuil video_unregister_device(&v4l2->radio_dev); 19790c0d06caSMauro Carvalho Chehab } 1980d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) { 19810c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1982d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 1983d4352f36SHans Verkuil video_unregister_device(&v4l2->vbi_dev); 19840c0d06caSMauro Carvalho Chehab } 1985d4352f36SHans Verkuil if (video_is_registered(&v4l2->vdev)) { 19860c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1987d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 1988d4352f36SHans Verkuil video_unregister_device(&v4l2->vdev); 19890c0d06caSMauro Carvalho Chehab } 199001c28193SMauro Carvalho Chehab 1991abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 199295d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1993103f18a2SFrank Schaefer 19942c52a2fcSFrank Schaefer if (v4l2->clk) { 19952c52a2fcSFrank Schaefer v4l2_clk_unregister_fixed(v4l2->clk); 19962c52a2fcSFrank Schaefer v4l2->clk = NULL; 199725dd1652SFrank Schaefer } 199825dd1652SFrank Schaefer 199995d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 200095d2608bSFrank Schaefer 2001ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 200295d2608bSFrank Schaefer 200347677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 20045ad10de6SFrank Schaefer 200501c28193SMauro Carvalho Chehab return 0; 20060c0d06caSMauro Carvalho Chehab } 20070c0d06caSMauro Carvalho Chehab 2008a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 2009a61f6811SShuah Khan { 2010a61f6811SShuah Khan if (dev->is_audio_only) 2011a61f6811SShuah Khan return 0; 2012a61f6811SShuah Khan 2013a61f6811SShuah Khan if (!dev->has_video) 2014a61f6811SShuah Khan return 0; 2015a61f6811SShuah Khan 201632e63f03SRussell King em28xx_info("Suspending video extension\n"); 2017a61f6811SShuah Khan em28xx_stop_urbs(dev); 2018a61f6811SShuah Khan return 0; 2019a61f6811SShuah Khan } 2020a61f6811SShuah Khan 2021a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2022a61f6811SShuah Khan { 2023a61f6811SShuah Khan if (dev->is_audio_only) 2024a61f6811SShuah Khan return 0; 2025a61f6811SShuah Khan 2026a61f6811SShuah Khan if (!dev->has_video) 2027a61f6811SShuah Khan return 0; 2028a61f6811SShuah Khan 202932e63f03SRussell King em28xx_info("Resuming video extension\n"); 2030a61f6811SShuah Khan /* what do we do here */ 2031a61f6811SShuah Khan return 0; 2032a61f6811SShuah Khan } 2033a61f6811SShuah Khan 20340c0d06caSMauro Carvalho Chehab /* 20350c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20360c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20370c0d06caSMauro Carvalho Chehab * calls and ioctls 20380c0d06caSMauro Carvalho Chehab */ 20390c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20400c0d06caSMauro Carvalho Chehab { 2041917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(filp); 204295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20430c0d06caSMauro Carvalho Chehab int errCode; 20440c0d06caSMauro Carvalho Chehab 20458e2c8717SFrank Schaefer em28xx_videodbg("users=%d\n", v4l2->users); 20468e2c8717SFrank Schaefer 20478e2c8717SFrank Schaefer vb2_fop_release(filp); 204898c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20490c0d06caSMauro Carvalho Chehab 20508e2c8717SFrank Schaefer if (v4l2->users == 1) { 205147677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 205247677e51SMauro Carvalho Chehab if (dev->disconnected) 205301c28193SMauro Carvalho Chehab goto exit; 20540c0d06caSMauro Carvalho Chehab 20550c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 205695d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20570c0d06caSMauro Carvalho Chehab 20580c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20590c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20600c0d06caSMauro Carvalho Chehab 20610c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20620c0d06caSMauro Carvalho Chehab dev->alt = 0; 20630c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20640c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20650c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20660c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20670c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20680c0d06caSMauro Carvalho Chehab } 20690c0d06caSMauro Carvalho Chehab } 20700c0d06caSMauro Carvalho Chehab 207101c28193SMauro Carvalho Chehab exit: 20728e2c8717SFrank Schaefer v4l2->users--; 207395d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20740c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 207547677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 207647677e51SMauro Carvalho Chehab 20770c0d06caSMauro Carvalho Chehab return 0; 20780c0d06caSMauro Carvalho Chehab } 20790c0d06caSMauro Carvalho Chehab 20800c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20810c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20820c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20830c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2084d3829fadSDevin Heitmueller .read = vb2_fop_read, 2085d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2086d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20870c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20880c0d06caSMauro Carvalho Chehab }; 20890c0d06caSMauro Carvalho Chehab 20900c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20910c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20920c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20930c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20940c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 20950c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 20960c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20972a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2098aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20990c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 21000c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 21010c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 21020c0d06caSMauro Carvalho Chehab 2103d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2104d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2105d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2106d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2107d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2108d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2109d3829fadSDevin Heitmueller 21100c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 21110c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 21120c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 21130c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 21140c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 21150c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 21160c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 21170c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2118d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2119d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21200c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21210c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21220c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21230c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 212450fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 212550fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21260c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 212796b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21280c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21290c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21300c0d06caSMauro Carvalho Chehab #endif 21310c0d06caSMauro Carvalho Chehab }; 21320c0d06caSMauro Carvalho Chehab 21330c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21340c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21350c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2136d4352f36SHans Verkuil .release = video_device_release_empty, 21370c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21380c0d06caSMauro Carvalho Chehab }; 21390c0d06caSMauro Carvalho Chehab 21400c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21410c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21420c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21430c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21440c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21450c0d06caSMauro Carvalho Chehab }; 21460c0d06caSMauro Carvalho Chehab 21470c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2148a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21490c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21500c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21510c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21520c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 215350fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 215450fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21550c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2156430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21570c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21580c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21590c0d06caSMauro Carvalho Chehab #endif 21600c0d06caSMauro Carvalho Chehab }; 21610c0d06caSMauro Carvalho Chehab 21620c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21630c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21640c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2165d4352f36SHans Verkuil .release = video_device_release_empty, 21660c0d06caSMauro Carvalho Chehab }; 21670c0d06caSMauro Carvalho Chehab 2168b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2169b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2170b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2171b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2172b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2173b64f8e9aSMauro Carvalho Chehab 2174b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2175b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2176b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2177b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2178b64f8e9aSMauro Carvalho Chehab }; 2179b64f8e9aSMauro Carvalho Chehab 2180b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2181b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2182b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2183b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2184b64f8e9aSMauro Carvalho Chehab }; 2185b64f8e9aSMauro Carvalho Chehab 21860c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21870c0d06caSMauro Carvalho Chehab 2188d4352f36SHans Verkuil static void em28xx_vdev_init(struct em28xx *dev, 2189d4352f36SHans Verkuil struct video_device *vfd, 21900c0d06caSMauro Carvalho Chehab const struct video_device *template, 21910c0d06caSMauro Carvalho Chehab const char *type_name) 21920c0d06caSMauro Carvalho Chehab { 21930c0d06caSMauro Carvalho Chehab *vfd = *template; 219495d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 21950c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 2196d8c95c08SHans Verkuil if (dev->board.is_webcam) 2197d8c95c08SHans Verkuil vfd->tvnorms = 0; 21980c0d06caSMauro Carvalho Chehab 21990c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 22000c0d06caSMauro Carvalho Chehab dev->name, type_name); 22010c0d06caSMauro Carvalho Chehab 22020c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 22030c0d06caSMauro Carvalho Chehab } 22040c0d06caSMauro Carvalho Chehab 22053319e6f8SFrank Schaefer static void em28xx_tuner_setup(struct em28xx *dev, unsigned short tuner_addr) 22060560f337SMauro Carvalho Chehab { 22073854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 22083854b0d8SFrank Schaefer struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; 22090560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 22100560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22110560f337SMauro Carvalho Chehab 22120560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22130560f337SMauro Carvalho Chehab 22140560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22150560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22160560f337SMauro Carvalho Chehab 22170560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22180560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22190560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22200560f337SMauro Carvalho Chehab 222195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 222295d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22230560f337SMauro Carvalho Chehab } 22240560f337SMauro Carvalho Chehab 22250560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22260560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22273319e6f8SFrank Schaefer tun_setup.addr = tuner_addr; 22280560f337SMauro Carvalho Chehab 222995d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223095d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22310560f337SMauro Carvalho Chehab } 22320560f337SMauro Carvalho Chehab 22336867bd5aSFrank Schaefer if (dev->board.tda9887_conf) { 22340560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22350560f337SMauro Carvalho Chehab 22360560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22376867bd5aSFrank Schaefer tda9887_cfg.priv = &dev->board.tda9887_conf; 22380560f337SMauro Carvalho Chehab 223995d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 224095d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22410560f337SMauro Carvalho Chehab } 22420560f337SMauro Carvalho Chehab 22430560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22440560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22450560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22460560f337SMauro Carvalho Chehab 22470560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22480560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22490560f337SMauro Carvalho Chehab 22500560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22510560f337SMauro Carvalho Chehab 22520560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22530560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22540560f337SMauro Carvalho Chehab 225595d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22560560f337SMauro Carvalho Chehab } 22570560f337SMauro Carvalho Chehab 22580560f337SMauro Carvalho Chehab /* configure tuner */ 22590560f337SMauro Carvalho Chehab f.tuner = 0; 22600560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22610560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22623854b0d8SFrank Schaefer v4l2->frequency = f.frequency; 226395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22640560f337SMauro Carvalho Chehab } 22650560f337SMauro Carvalho Chehab 226601c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22670c0d06caSMauro Carvalho Chehab { 22680c0d06caSMauro Carvalho Chehab u8 val; 22690c0d06caSMauro Carvalho Chehab int ret; 22700c0d06caSMauro Carvalho Chehab unsigned int maxw; 2271abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 227295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2273b64f8e9aSMauro Carvalho Chehab 2274822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2275822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2276822b8deaSMauro Carvalho Chehab return 0; 2277822b8deaSMauro Carvalho Chehab } 2278822b8deaSMauro Carvalho Chehab 227901c28193SMauro Carvalho Chehab if (!dev->has_video) { 2280b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2281b64f8e9aSMauro Carvalho Chehab return 0; 2282b64f8e9aSMauro Carvalho Chehab } 22830c0d06caSMauro Carvalho Chehab 22849634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 22850c0d06caSMauro Carvalho Chehab 228601c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 228701c28193SMauro Carvalho Chehab 228895d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 228995d2608bSFrank Schaefer if (v4l2 == NULL) { 229095d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 229195d2608bSFrank Schaefer mutex_unlock(&dev->lock); 229295d2608bSFrank Schaefer return -ENOMEM; 229395d2608bSFrank Schaefer } 229495d2608bSFrank Schaefer kref_init(&v4l2->ref); 2295abc1308fSFrank Schaefer v4l2->dev = dev; 229695d2608bSFrank Schaefer dev->v4l2 = v4l2; 229795d2608bSFrank Schaefer 229895d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2299b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2300b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2301b64f8e9aSMauro Carvalho Chehab goto err; 2302b64f8e9aSMauro Carvalho Chehab } 2303b64f8e9aSMauro Carvalho Chehab 2304abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2305b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 230695d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2307b64f8e9aSMauro Carvalho Chehab 230858159171SFrank Schaefer if (dev->board.is_webcam) 23097e6c8c19SMauro Carvalho Chehab v4l2->progressive = true; 231058159171SFrank Schaefer 2311b64f8e9aSMauro Carvalho Chehab /* 2312b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2313b64f8e9aSMauro Carvalho Chehab */ 23149297285eSFrank Schaefer v4l2->vinmode = 0x10; 23159297285eSFrank Schaefer v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | 2316b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2317b64f8e9aSMauro Carvalho Chehab 2318b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2319b64f8e9aSMauro Carvalho Chehab 2320b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 232195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2323b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2324b64f8e9aSMauro Carvalho Chehab 2325b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 232695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232795d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2328b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2329b64f8e9aSMauro Carvalho Chehab 2330b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 233195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2333b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2334b64f8e9aSMauro Carvalho Chehab 2335b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 233695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233795d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2338b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2339b64f8e9aSMauro Carvalho Chehab 2340b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2341b64f8e9aSMauro Carvalho Chehab 2342b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 23433319e6f8SFrank Schaefer unsigned short tuner_addr = dev->board.tuner_addr; 23446867bd5aSFrank Schaefer int has_demod = (dev->board.tda9887_conf & TDA9887_PRESENT); 2345b64f8e9aSMauro Carvalho Chehab 2346b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 234795d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234895d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2349fdf1bc9fSMauro Carvalho Chehab "tuner", dev->board.radio_addr, 2350fdf1bc9fSMauro Carvalho Chehab NULL); 2351b64f8e9aSMauro Carvalho Chehab 2352b64f8e9aSMauro Carvalho Chehab if (has_demod) 235395d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2354fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2355fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2356fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 23573319e6f8SFrank Schaefer if (tuner_addr == 0) { 2358b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2359b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2360b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2361b64f8e9aSMauro Carvalho Chehab 236295d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2363fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2364fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2365fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(type)); 2366b64f8e9aSMauro Carvalho Chehab 2367b64f8e9aSMauro Carvalho Chehab if (sd) 23683319e6f8SFrank Schaefer 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], 23723319e6f8SFrank Schaefer "tuner", tuner_addr, NULL); 2373b64f8e9aSMauro Carvalho Chehab } 2374b64f8e9aSMauro Carvalho Chehab 23753319e6f8SFrank Schaefer em28xx_tuner_setup(dev, tuner_addr); 23763319e6f8SFrank Schaefer } 23773319e6f8SFrank Schaefer 2378d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2379b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2380b64f8e9aSMauro Carvalho Chehab 2381b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2382b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2383b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2384b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2385b64f8e9aSMauro Carvalho Chehab __func__, ret); 2386b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2387b64f8e9aSMauro Carvalho Chehab } 2388b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2389b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2390b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2391b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2392b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2393b64f8e9aSMauro Carvalho Chehab } else { 2394b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2395b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2396b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2397b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2398b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2399b64f8e9aSMauro Carvalho Chehab } 2400b64f8e9aSMauro Carvalho Chehab 2401b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2402b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2403b64f8e9aSMauro Carvalho Chehab 2404b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2405b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2406b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2407b64f8e9aSMauro Carvalho Chehab 2408b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2409b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2410b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2411b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2412b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2413b64f8e9aSMauro Carvalho Chehab __func__, ret); 2414b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2415b64f8e9aSMauro Carvalho Chehab } 2416b64f8e9aSMauro Carvalho Chehab msleep(3); 2417b64f8e9aSMauro Carvalho Chehab 2418b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2419b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2420b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2421b64f8e9aSMauro Carvalho Chehab __func__, ret); 2422b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2423b64f8e9aSMauro Carvalho Chehab } 2424b64f8e9aSMauro Carvalho Chehab msleep(3); 2425b64f8e9aSMauro Carvalho Chehab } 2426b64f8e9aSMauro Carvalho Chehab 24270c0d06caSMauro Carvalho Chehab /* set default norm */ 242852faaf78SFrank Schaefer v4l2->norm = V4L2_STD_PAL; 24298774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 243058159171SFrank Schaefer v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; 24310c0d06caSMauro Carvalho Chehab 24320c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 243306e20672SFrank Schaefer v4l2->format = &format[0]; 24340c0d06caSMauro Carvalho Chehab 24350c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24360c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24370c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24380c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24390c0d06caSMauro Carvalho Chehab maxw /= 2; 24400c0d06caSMauro Carvalho Chehab 24410c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24420c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24430c0d06caSMauro Carvalho Chehab 24440c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24450c0d06caSMauro Carvalho Chehab 24460c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24470c0d06caSMauro Carvalho Chehab dev->mute = 1; 24480c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24490c0d06caSMauro Carvalho Chehab 24500c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24510c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24520c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24530c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24540c0d06caSMauro Carvalho Chehab 24550c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24560c0d06caSMauro Carvalho Chehab 24578f8b113aSFrank Schaefer /* Add image controls */ 24588f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24598f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2460ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2461ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24628f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24638f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2464ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2465ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24668f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24678f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2468ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2469ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24708f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24718f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2472ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2473ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24748f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24758f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2476ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2477ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24788f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24798f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2480ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2481ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24828f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24838f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24848f8b113aSFrank Schaefer 24858f8b113aSFrank Schaefer /* Reset image controls */ 24868f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2487ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2488ad298055SFrank Schaefer ret = hdl->error; 2489b64f8e9aSMauro Carvalho Chehab if (ret) 2490b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24918f8b113aSFrank Schaefer 24920c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2493d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vdev, &em28xx_video_template, "video"); 249427a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 249527a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 2496d4352f36SHans Verkuil v4l2->vdev.queue = &v4l2->vb_vidq; 2497d4352f36SHans Verkuil v4l2->vdev.queue->lock = &v4l2->vb_queue_lock; 24980c0d06caSMauro Carvalho Chehab 24996e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 25006e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2501d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD); 2502d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD); 2503d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD); 25043bc85cceSFrank Schaefer } else { 2505d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_PARM); 25066e46dabaSFrank Schaefer } 250766df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2508d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_TUNER); 2509d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_TUNER); 2510d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_FREQUENCY); 2511d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_FREQUENCY); 251266df67b7SFrank Schaefer } 2513920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2514d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_AUDIO); 2515d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_AUDIO); 2516c2dcef83SFrank Schaefer } 25176e46dabaSFrank Schaefer 25180c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2519d4352f36SHans Verkuil ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER, 25200c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25210c0d06caSMauro Carvalho Chehab if (ret) { 25220c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25230c0d06caSMauro Carvalho Chehab ret); 2524b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25250c0d06caSMauro Carvalho Chehab } 25260c0d06caSMauro Carvalho Chehab 25270c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25280c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2529d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vbi_dev, &em28xx_video_template, 25300c0d06caSMauro Carvalho Chehab "vbi"); 25310c0d06caSMauro Carvalho Chehab 2532d4352f36SHans Verkuil v4l2->vbi_dev.queue = &v4l2->vb_vbiq; 2533d4352f36SHans Verkuil v4l2->vbi_dev.queue->lock = &v4l2->vb_vbi_queue_lock; 2534d3829fadSDevin Heitmueller 253566df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2536d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_PARM); 253766df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2538d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_TUNER); 2539d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_TUNER); 2540d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2541d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 254266df67b7SFrank Schaefer } 2543920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2544d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_AUDIO); 2545d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_AUDIO); 2546c2dcef83SFrank Schaefer } 254766df67b7SFrank Schaefer 25480c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2549d4352f36SHans Verkuil ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI, 25500c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25510c0d06caSMauro Carvalho Chehab if (ret < 0) { 25520c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2553b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25540c0d06caSMauro Carvalho Chehab } 25550c0d06caSMauro Carvalho Chehab } 25560c0d06caSMauro Carvalho Chehab 25570c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2558d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->radio_dev, &em28xx_radio_template, 25590c0d06caSMauro Carvalho Chehab "radio"); 2560d4352f36SHans Verkuil ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO, 25610c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25620c0d06caSMauro Carvalho Chehab if (ret < 0) { 25630c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2564b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25650c0d06caSMauro Carvalho Chehab } 25660c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 2567d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 25680c0d06caSMauro Carvalho Chehab } 25690c0d06caSMauro Carvalho Chehab 25700c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 2571d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 25720c0d06caSMauro Carvalho Chehab 2573d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 25740c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 2575d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 25760c0d06caSMauro Carvalho Chehab 2577b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 257895d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2579b64f8e9aSMauro Carvalho Chehab 2580b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2581b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2582b64f8e9aSMauro Carvalho Chehab 25839634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 25849634614fSMauro Carvalho Chehab 258547677e51SMauro Carvalho Chehab kref_get(&dev->ref); 258647677e51SMauro Carvalho Chehab 258701c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 25880c0d06caSMauro Carvalho Chehab return 0; 2589b64f8e9aSMauro Carvalho Chehab 2590b64f8e9aSMauro Carvalho Chehab unregister_dev: 2591abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 259295d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2593b64f8e9aSMauro Carvalho Chehab err: 259495d2608bSFrank Schaefer dev->v4l2 = NULL; 259595d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 259601c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2597b64f8e9aSMauro Carvalho Chehab return ret; 25980c0d06caSMauro Carvalho Chehab } 259901c28193SMauro Carvalho Chehab 260001c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 260101c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 260201c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 260301c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 260401c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2605a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2606a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 260701c28193SMauro Carvalho Chehab }; 260801c28193SMauro Carvalho Chehab 260901c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 261001c28193SMauro Carvalho Chehab { 261101c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 261201c28193SMauro Carvalho Chehab } 261301c28193SMauro Carvalho Chehab 261401c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 261501c28193SMauro Carvalho Chehab { 261601c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 261701c28193SMauro Carvalho Chehab } 261801c28193SMauro Carvalho Chehab 261901c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 262001c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2621