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); 1990560f337SMauro Carvalho Chehab } 2000560f337SMauro Carvalho Chehab 20101c28193SMauro Carvalho Chehab static int em28xx_colorlevels_set_default(struct em28xx *dev) 2020560f337SMauro Carvalho Chehab { 2030560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); 2040560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); 2050560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); 2060560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); 2070560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); 2080560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); 2090560f337SMauro Carvalho Chehab 2100560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); 2110560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); 2120560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); 2130560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); 2140560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); 2150560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); 2160560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); 2170560f337SMauro Carvalho Chehab } 2180560f337SMauro Carvalho Chehab 21901c28193SMauro Carvalho Chehab static int em28xx_set_outfmt(struct em28xx *dev) 2200560f337SMauro Carvalho Chehab { 2210560f337SMauro Carvalho Chehab int ret; 2220560f337SMauro Carvalho Chehab u8 fmt, vinctrl; 223753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 2240560f337SMauro Carvalho Chehab 22506e20672SFrank Schaefer fmt = v4l2->format->reg; 2260560f337SMauro Carvalho Chehab if (!dev->is_em25xx) 2270560f337SMauro Carvalho Chehab fmt |= 0x20; 2280560f337SMauro Carvalho Chehab /* 2290560f337SMauro Carvalho Chehab * NOTE: it's not clear if this is really needed ! 2300560f337SMauro Carvalho Chehab * The datasheets say bit 5 is a reserved bit and devices seem to work 2310560f337SMauro Carvalho Chehab * fine without it. But the Windows driver sets it for em2710/50+em28xx 2320560f337SMauro Carvalho Chehab * devices and we've always been setting it, too. 2330560f337SMauro Carvalho Chehab * 2340560f337SMauro Carvalho Chehab * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, 2350560f337SMauro Carvalho Chehab * it's likely used for an additional (compressed ?) format there. 2360560f337SMauro Carvalho Chehab */ 2370560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); 2380560f337SMauro Carvalho Chehab if (ret < 0) 2390560f337SMauro Carvalho Chehab return ret; 2400560f337SMauro Carvalho Chehab 2419297285eSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); 2420560f337SMauro Carvalho Chehab if (ret < 0) 2430560f337SMauro Carvalho Chehab return ret; 2440560f337SMauro Carvalho Chehab 2459297285eSFrank Schaefer vinctrl = v4l2->vinctl; 2460560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2470560f337SMauro Carvalho Chehab vinctrl |= EM28XX_VINCTRL_VBI_RAW; 2480560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); 249753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, v4l2->vbi_width/4); 250753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height); 25152faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 2520560f337SMauro Carvalho Chehab /* NTSC */ 2530560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); 25452faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 2550560f337SMauro Carvalho Chehab /* PAL */ 2560560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); 2570560f337SMauro Carvalho Chehab } 2580560f337SMauro Carvalho Chehab } 2590560f337SMauro Carvalho Chehab 2600560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); 2610560f337SMauro Carvalho Chehab } 2620560f337SMauro Carvalho Chehab 2630560f337SMauro Carvalho Chehab static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, 2640560f337SMauro Carvalho Chehab u8 ymin, u8 ymax) 2650560f337SMauro Carvalho Chehab { 2660560f337SMauro Carvalho Chehab em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", 2670560f337SMauro Carvalho Chehab xmin, ymin, xmax, ymax); 2680560f337SMauro Carvalho Chehab 2690560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); 2700560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); 2710560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); 2720560f337SMauro Carvalho Chehab return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); 2730560f337SMauro Carvalho Chehab } 2740560f337SMauro Carvalho Chehab 2750560f337SMauro Carvalho Chehab static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, 2760560f337SMauro Carvalho Chehab u16 width, u16 height) 2770560f337SMauro Carvalho Chehab { 2780560f337SMauro Carvalho Chehab u8 cwidth = width >> 2; 2790560f337SMauro Carvalho Chehab u8 cheight = height >> 2; 2800560f337SMauro Carvalho Chehab u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); 2810560f337SMauro Carvalho Chehab /* NOTE: size limit: 2047x1023 = 2MPix */ 2820560f337SMauro Carvalho Chehab 2830560f337SMauro Carvalho Chehab em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", 2840560f337SMauro Carvalho Chehab hstart, vstart, 2850560f337SMauro Carvalho Chehab ((overflow & 2) << 9 | cwidth << 2), 2860560f337SMauro Carvalho Chehab ((overflow & 1) << 10 | cheight << 2)); 2870560f337SMauro Carvalho Chehab 2880560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); 2890560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); 2900560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); 2910560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); 2920560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); 2930560f337SMauro Carvalho Chehab 2940560f337SMauro Carvalho Chehab /* FIXME: function/meaning of these registers ? */ 2950560f337SMauro Carvalho Chehab /* FIXME: align width+height to multiples of 4 ?! */ 2960560f337SMauro Carvalho Chehab if (dev->is_em25xx) { 2970560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x34, width >> 4); 2980560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x35, height >> 4); 2990560f337SMauro Carvalho Chehab } 3000560f337SMauro Carvalho Chehab } 3010560f337SMauro Carvalho Chehab 3020560f337SMauro Carvalho Chehab static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) 3030560f337SMauro Carvalho Chehab { 304cba8e9b3SFrank Schaefer u8 mode = 0x00; 3050560f337SMauro Carvalho Chehab /* the em2800 scaler only supports scaling down to 50% */ 3060560f337SMauro Carvalho Chehab 3070560f337SMauro Carvalho Chehab if (dev->board.is_em2800) { 3080560f337SMauro Carvalho Chehab mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); 3090560f337SMauro Carvalho Chehab } else { 3100560f337SMauro Carvalho Chehab u8 buf[2]; 3110560f337SMauro Carvalho Chehab 3120560f337SMauro Carvalho Chehab buf[0] = h; 3130560f337SMauro Carvalho Chehab buf[1] = h >> 8; 3140560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); 3150560f337SMauro Carvalho Chehab 3160560f337SMauro Carvalho Chehab buf[0] = v; 3170560f337SMauro Carvalho Chehab buf[1] = v >> 8; 3180560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); 3190560f337SMauro Carvalho Chehab /* it seems that both H and V scalers must be active 3200560f337SMauro Carvalho Chehab to work correctly */ 3210560f337SMauro Carvalho Chehab mode = (h || v) ? 0x30 : 0x00; 3220560f337SMauro Carvalho Chehab } 323cba8e9b3SFrank Schaefer return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); 3240560f337SMauro Carvalho Chehab } 3250560f337SMauro Carvalho Chehab 3260560f337SMauro Carvalho Chehab /* FIXME: this only function read values from dev */ 32701c28193SMauro Carvalho Chehab static int em28xx_resolution_set(struct em28xx *dev) 3280560f337SMauro Carvalho Chehab { 329753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 330753aee77SFrank Schaefer int width = norm_maxw(dev); 331753aee77SFrank Schaefer int height = norm_maxh(dev); 3320560f337SMauro Carvalho Chehab 3330560f337SMauro Carvalho Chehab /* Properly setup VBI */ 334753aee77SFrank Schaefer v4l2->vbi_width = 720; 33552faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) 336753aee77SFrank Schaefer v4l2->vbi_height = 12; 3370560f337SMauro Carvalho Chehab else 338753aee77SFrank Schaefer v4l2->vbi_height = 18; 3390560f337SMauro Carvalho Chehab 3400560f337SMauro Carvalho Chehab em28xx_set_outfmt(dev); 3410560f337SMauro Carvalho Chehab 3420560f337SMauro Carvalho Chehab em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); 3430560f337SMauro Carvalho Chehab 3440560f337SMauro Carvalho Chehab /* If we don't set the start position to 2 in VBI mode, we end up 3450560f337SMauro Carvalho Chehab with line 20/21 being YUYV encoded instead of being in 8-bit 3460560f337SMauro Carvalho Chehab greyscale. The core of the issue is that line 21 (and line 23 for 3470560f337SMauro Carvalho Chehab PAL WSS) are inside of active video region, and as a result they 3480560f337SMauro Carvalho Chehab get the pixelformatting associated with that area. So by cropping 3490560f337SMauro Carvalho Chehab it out, we end up with the same format as the rest of the VBI 3500560f337SMauro Carvalho Chehab region */ 3510560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 3520560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 2, width, height); 3530560f337SMauro Carvalho Chehab else 3540560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 0, width, height); 3550560f337SMauro Carvalho Chehab 356753aee77SFrank Schaefer return em28xx_scaler_set(dev, v4l2->hscale, v4l2->vscale); 3570560f337SMauro Carvalho Chehab } 3580560f337SMauro Carvalho Chehab 3590560f337SMauro Carvalho Chehab /* Set USB alternate setting for analog video */ 36001c28193SMauro Carvalho Chehab static int em28xx_set_alternate(struct em28xx *dev) 3610560f337SMauro Carvalho Chehab { 362753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 3630560f337SMauro Carvalho Chehab int errCode; 3640560f337SMauro Carvalho Chehab int i; 365753aee77SFrank Schaefer unsigned int min_pkt_size = v4l2->width * 2 + 4; 3660560f337SMauro Carvalho Chehab 3670560f337SMauro Carvalho Chehab /* NOTE: for isoc transfers, only alt settings > 0 are allowed 3680560f337SMauro Carvalho Chehab bulk transfers seem to work only with alt=0 ! */ 3690560f337SMauro Carvalho Chehab dev->alt = 0; 3700560f337SMauro Carvalho Chehab if ((alt > 0) && (alt < dev->num_alt)) { 3710560f337SMauro Carvalho Chehab em28xx_videodbg("alternate forced to %d\n", dev->alt); 3720560f337SMauro Carvalho Chehab dev->alt = alt; 3730560f337SMauro Carvalho Chehab goto set_alt; 3740560f337SMauro Carvalho Chehab } 3750560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) 3760560f337SMauro Carvalho Chehab goto set_alt; 3770560f337SMauro Carvalho Chehab 3780560f337SMauro Carvalho Chehab /* When image size is bigger than a certain value, 3790560f337SMauro Carvalho Chehab the frame size should be increased, otherwise, only 3800560f337SMauro Carvalho Chehab green screen will be received. 3810560f337SMauro Carvalho Chehab */ 382753aee77SFrank Schaefer if (v4l2->width * 2 * v4l2->height > 720 * 240 * 2) 3830560f337SMauro Carvalho Chehab min_pkt_size *= 2; 3840560f337SMauro Carvalho Chehab 3850560f337SMauro Carvalho Chehab for (i = 0; i < dev->num_alt; i++) { 3860560f337SMauro Carvalho Chehab /* stop when the selected alt setting offers enough bandwidth */ 3870560f337SMauro Carvalho Chehab if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { 3880560f337SMauro Carvalho Chehab dev->alt = i; 3890560f337SMauro Carvalho Chehab break; 3900560f337SMauro Carvalho Chehab /* otherwise make sure that we end up with the maximum bandwidth 3910560f337SMauro Carvalho Chehab because the min_pkt_size equation might be wrong... 3920560f337SMauro Carvalho Chehab */ 3930560f337SMauro Carvalho Chehab } else if (dev->alt_max_pkt_size_isoc[i] > 3940560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]) 3950560f337SMauro Carvalho Chehab dev->alt = i; 3960560f337SMauro Carvalho Chehab } 3970560f337SMauro Carvalho Chehab 3980560f337SMauro Carvalho Chehab set_alt: 3990560f337SMauro Carvalho Chehab /* NOTE: for bulk transfers, we need to call usb_set_interface() 4000560f337SMauro Carvalho Chehab * even if the previous settings were the same. Otherwise streaming 4010560f337SMauro Carvalho Chehab * fails with all urbs having status = -EOVERFLOW ! */ 4020560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) { 4030560f337SMauro Carvalho Chehab dev->max_pkt_size = 512; /* USB 2.0 spec */ 4040560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; 4050560f337SMauro Carvalho Chehab } else { /* isoc */ 4060560f337SMauro Carvalho Chehab em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", 4070560f337SMauro Carvalho Chehab min_pkt_size, dev->alt); 4080560f337SMauro Carvalho Chehab dev->max_pkt_size = 4090560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]; 4100560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; 4110560f337SMauro Carvalho Chehab } 4120560f337SMauro Carvalho Chehab em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", 4130560f337SMauro Carvalho Chehab dev->alt, dev->max_pkt_size); 414961717b4SFrank Schaefer errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt); 4150560f337SMauro Carvalho Chehab if (errCode < 0) { 4160560f337SMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to %d (error=%i)\n", 4170560f337SMauro Carvalho Chehab dev->alt, errCode); 4180560f337SMauro Carvalho Chehab return errCode; 4190560f337SMauro Carvalho Chehab } 4200560f337SMauro Carvalho Chehab return 0; 4210560f337SMauro Carvalho Chehab } 4220560f337SMauro Carvalho Chehab 4230c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 4240c0d06caSMauro Carvalho Chehab DMA and thread functions 4250c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 4260c0d06caSMauro Carvalho Chehab 4270c0d06caSMauro Carvalho Chehab /* 428948a49aaSFrank Schaefer * Finish the current buffer 4290c0d06caSMauro Carvalho Chehab */ 430948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 4310c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 4320c0d06caSMauro Carvalho Chehab { 433d3829fadSDevin Heitmueller em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); 434d3829fadSDevin Heitmueller 4352d700715SJunghak Sung buf->vb.sequence = dev->v4l2->field_count++; 436662c97cfSFrank Schaefer if (dev->v4l2->progressive) 4372d700715SJunghak Sung buf->vb.field = V4L2_FIELD_NONE; 438662c97cfSFrank Schaefer else 4392d700715SJunghak Sung buf->vb.field = V4L2_FIELD_INTERLACED; 440d6dd645eSJunghak Sung buf->vb.vb2_buf.timestamp = ktime_get_ns(); 441d3829fadSDevin Heitmueller 4422d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 4430c0d06caSMauro Carvalho Chehab } 4440c0d06caSMauro Carvalho Chehab 4450c0d06caSMauro Carvalho Chehab /* 44636016a35SFrank Schaefer * Copy picture data from USB buffer to videobuf buffer 4470c0d06caSMauro Carvalho Chehab */ 4480c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 4490c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 45036016a35SFrank Schaefer unsigned char *usb_buf, 4514078d625SFrank Schaefer unsigned long len) 4520c0d06caSMauro Carvalho Chehab { 45358159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 4540c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 4550c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 45658159171SFrank Schaefer int bytesperline = v4l2->width << 1; 4570c0d06caSMauro Carvalho Chehab 458d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 459d3829fadSDevin Heitmueller len = buf->length - buf->pos; 4600c0d06caSMauro Carvalho Chehab 46136016a35SFrank Schaefer startread = usb_buf; 4620c0d06caSMauro Carvalho Chehab remain = len; 4630c0d06caSMauro Carvalho Chehab 46458159171SFrank Schaefer if (v4l2->progressive || buf->top_field) 46536016a35SFrank Schaefer fieldstart = buf->vb_buf; 466c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 46736016a35SFrank Schaefer fieldstart = buf->vb_buf + bytesperline; 4680c0d06caSMauro Carvalho Chehab 4698732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 4708732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 4710c0d06caSMauro Carvalho Chehab 47258159171SFrank Schaefer if (v4l2->progressive) 4730c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 4740c0d06caSMauro Carvalho Chehab else 4750c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 4760c0d06caSMauro Carvalho Chehab 4770c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 4780c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 4790c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 4800c0d06caSMauro Carvalho Chehab 481d3829fadSDevin Heitmueller if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { 4827983b773SMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end (1)\n", 4830c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 484d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 485d3829fadSDevin Heitmueller remain = (char *)buf->vb_buf + buf->length - 48636016a35SFrank Schaefer (char *)startwrite; 4870c0d06caSMauro Carvalho Chehab lencopy = remain; 4880c0d06caSMauro Carvalho Chehab } 4890c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 4900c0d06caSMauro Carvalho Chehab return; 4910c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 4920c0d06caSMauro Carvalho Chehab 4930c0d06caSMauro Carvalho Chehab remain -= lencopy; 4940c0d06caSMauro Carvalho Chehab 4950c0d06caSMauro Carvalho Chehab while (remain > 0) { 49658159171SFrank Schaefer if (v4l2->progressive) 497c02ec71bSFrank Schaefer startwrite += lencopy; 498c02ec71bSFrank Schaefer else 4990c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 5000c0d06caSMauro Carvalho Chehab startread += lencopy; 5010c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 5020c0d06caSMauro Carvalho Chehab lencopy = remain; 5030c0d06caSMauro Carvalho Chehab else 5040c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 5050c0d06caSMauro Carvalho Chehab 50636016a35SFrank Schaefer if ((char *)startwrite + lencopy > (char *)buf->vb_buf + 507d3829fadSDevin Heitmueller buf->length) { 5087983b773SMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end" 5090c0d06caSMauro Carvalho Chehab "(2)\n", 5100c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 511d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 512d3829fadSDevin Heitmueller lencopy = remain = (char *)buf->vb_buf + buf->length - 5130c0d06caSMauro Carvalho Chehab (char *)startwrite; 5140c0d06caSMauro Carvalho Chehab } 5150c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 5160c0d06caSMauro Carvalho Chehab break; 5170c0d06caSMauro Carvalho Chehab 5180c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 5190c0d06caSMauro Carvalho Chehab 5200c0d06caSMauro Carvalho Chehab remain -= lencopy; 5210c0d06caSMauro Carvalho Chehab } 5220c0d06caSMauro Carvalho Chehab 5238732533bSFrank Schaefer buf->pos += len; 5240c0d06caSMauro Carvalho Chehab } 5250c0d06caSMauro Carvalho Chehab 52636016a35SFrank Schaefer /* 52736016a35SFrank Schaefer * Copy VBI data from USB buffer to videobuf buffer 52836016a35SFrank Schaefer */ 5290c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 5300c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 53136016a35SFrank Schaefer unsigned char *usb_buf, 5324078d625SFrank Schaefer unsigned long len) 5330c0d06caSMauro Carvalho Chehab { 53436016a35SFrank Schaefer unsigned int offset; 5350c0d06caSMauro Carvalho Chehab 536d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 537d3829fadSDevin Heitmueller len = buf->length - buf->pos; 5380c0d06caSMauro Carvalho Chehab 5398732533bSFrank Schaefer offset = buf->pos; 5400c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 54136016a35SFrank Schaefer if (buf->top_field == 0) 542753aee77SFrank Schaefer offset += dev->v4l2->vbi_width * dev->v4l2->vbi_height; 5430c0d06caSMauro Carvalho Chehab 54436016a35SFrank Schaefer memcpy(buf->vb_buf + offset, usb_buf, len); 5458732533bSFrank Schaefer buf->pos += len; 5460c0d06caSMauro Carvalho Chehab } 5470c0d06caSMauro Carvalho Chehab 5480c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 5490c0d06caSMauro Carvalho Chehab int packet, int status) 5500c0d06caSMauro Carvalho Chehab { 5510c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 5520c0d06caSMauro Carvalho Chehab 5530c0d06caSMauro Carvalho Chehab switch (status) { 5540c0d06caSMauro Carvalho Chehab case -ENOENT: 5550c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 5560c0d06caSMauro Carvalho Chehab break; 5570c0d06caSMauro Carvalho Chehab case -ECONNRESET: 5580c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 5590c0d06caSMauro Carvalho Chehab break; 5600c0d06caSMauro Carvalho Chehab case -ENOSR: 5610c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 5620c0d06caSMauro Carvalho Chehab break; 5630c0d06caSMauro Carvalho Chehab case -EPIPE: 5640c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 5650c0d06caSMauro Carvalho Chehab break; 5660c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 5670c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 5680c0d06caSMauro Carvalho Chehab break; 5690c0d06caSMauro Carvalho Chehab case -EPROTO: 5700c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 5710c0d06caSMauro Carvalho Chehab break; 5720c0d06caSMauro Carvalho Chehab case -EILSEQ: 5730c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 5740c0d06caSMauro Carvalho Chehab break; 5750c0d06caSMauro Carvalho Chehab case -ETIME: 5760c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 5770c0d06caSMauro Carvalho Chehab break; 5780c0d06caSMauro Carvalho Chehab } 5790c0d06caSMauro Carvalho Chehab if (packet < 0) { 5800c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 5810c0d06caSMauro Carvalho Chehab } else { 5820c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 5830c0d06caSMauro Carvalho Chehab packet, status, errmsg); 5840c0d06caSMauro Carvalho Chehab } 5850c0d06caSMauro Carvalho Chehab } 5860c0d06caSMauro Carvalho Chehab 5870c0d06caSMauro Carvalho Chehab /* 58824a6d849SFrank Schaefer * get the next available buffer from dma queue 5890c0d06caSMauro Carvalho Chehab */ 59024a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 59124a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 5920c0d06caSMauro Carvalho Chehab { 59324a6d849SFrank Schaefer struct em28xx_buffer *buf; 5940c0d06caSMauro Carvalho Chehab 5950c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 5960c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 59724a6d849SFrank Schaefer return NULL; 5980c0d06caSMauro Carvalho Chehab } 5990c0d06caSMauro Carvalho Chehab 6000c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 601d3829fadSDevin Heitmueller buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); 6020c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 603d3829fadSDevin Heitmueller list_del(&buf->list); 6048732533bSFrank Schaefer buf->pos = 0; 605d3829fadSDevin Heitmueller buf->vb_buf = buf->mem; 6060c0d06caSMauro Carvalho Chehab 60724a6d849SFrank Schaefer return buf; 6080c0d06caSMauro Carvalho Chehab } 6090c0d06caSMauro Carvalho Chehab 610e04c00d9SFrank Schaefer /* 611e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 612e04c00d9SFrank Schaefer */ 613e04c00d9SFrank Schaefer static struct em28xx_buffer * 614e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 615e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 616e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 617e04c00d9SFrank Schaefer { 61858159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 61958159171SFrank Schaefer 620f0e38230SFrank Schaefer if (v4l2->progressive || v4l2->top_field) { /* Brand new frame */ 621e04c00d9SFrank Schaefer if (buf != NULL) 622e04c00d9SFrank Schaefer finish_buffer(dev, buf); 623e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 624e04c00d9SFrank Schaefer } 625e04c00d9SFrank Schaefer if (buf != NULL) { 626f0e38230SFrank Schaefer buf->top_field = v4l2->top_field; 627e04c00d9SFrank Schaefer buf->pos = 0; 628e04c00d9SFrank Schaefer } 629e04c00d9SFrank Schaefer 630e04c00d9SFrank Schaefer return buf; 631e04c00d9SFrank Schaefer } 632e04c00d9SFrank Schaefer 633227b7c90SFrank Schaefer /* 634227b7c90SFrank Schaefer * Process data packet according to the em2710/em2750/em28xx frame data format 635227b7c90SFrank Schaefer */ 636227b7c90SFrank Schaefer static inline void process_frame_data_em28xx(struct em28xx *dev, 637227b7c90SFrank Schaefer unsigned char *data_pkt, 638227b7c90SFrank Schaefer unsigned int data_len) 639227b7c90SFrank Schaefer { 640753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 641227b7c90SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 642227b7c90SFrank Schaefer struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; 643227b7c90SFrank Schaefer struct em28xx_dmaqueue *dma_q = &dev->vidq; 644227b7c90SFrank Schaefer struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 645227b7c90SFrank Schaefer 646227b7c90SFrank Schaefer /* capture type 0 = vbi start 647227b7c90SFrank Schaefer capture type 1 = vbi in progress 648227b7c90SFrank Schaefer capture type 2 = video start 649227b7c90SFrank Schaefer capture type 3 = video in progress */ 650227b7c90SFrank Schaefer if (data_len >= 4) { 651227b7c90SFrank Schaefer /* NOTE: Headers are always 4 bytes and 652227b7c90SFrank Schaefer * never split across packets */ 653227b7c90SFrank Schaefer if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && 654227b7c90SFrank Schaefer data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { 655227b7c90SFrank Schaefer /* Continuation */ 656227b7c90SFrank Schaefer data_pkt += 4; 657227b7c90SFrank Schaefer data_len -= 4; 658227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { 659227b7c90SFrank Schaefer /* Field start (VBI mode) */ 660f0e38230SFrank Schaefer v4l2->capture_type = 0; 661f0e38230SFrank Schaefer v4l2->vbi_read = 0; 662227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 663f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 664227b7c90SFrank Schaefer data_pkt += 4; 665227b7c90SFrank Schaefer data_len -= 4; 666227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { 667227b7c90SFrank Schaefer /* Field start (VBI disabled) */ 668f0e38230SFrank Schaefer v4l2->capture_type = 2; 669227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 670f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 671227b7c90SFrank Schaefer data_pkt += 4; 672227b7c90SFrank Schaefer data_len -= 4; 673227b7c90SFrank Schaefer } 674227b7c90SFrank Schaefer } 675227b7c90SFrank Schaefer /* NOTE: With bulk transfers, intermediate data packets 676227b7c90SFrank Schaefer * have no continuation header */ 677227b7c90SFrank Schaefer 678f0e38230SFrank Schaefer if (v4l2->capture_type == 0) { 679227b7c90SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 680227b7c90SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 681f0e38230SFrank Schaefer v4l2->capture_type = 1; 682227b7c90SFrank Schaefer } 683227b7c90SFrank Schaefer 684f0e38230SFrank Schaefer if (v4l2->capture_type == 1) { 685753aee77SFrank Schaefer int vbi_size = v4l2->vbi_width * v4l2->vbi_height; 686f0e38230SFrank Schaefer int vbi_data_len = ((v4l2->vbi_read + data_len) > vbi_size) ? 687f0e38230SFrank Schaefer (vbi_size - v4l2->vbi_read) : data_len; 688227b7c90SFrank Schaefer 689227b7c90SFrank Schaefer /* Copy VBI data */ 690227b7c90SFrank Schaefer if (vbi_buf != NULL) 691227b7c90SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); 692f0e38230SFrank Schaefer v4l2->vbi_read += vbi_data_len; 693227b7c90SFrank Schaefer 694227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 695227b7c90SFrank Schaefer /* Continue with copying video data */ 696f0e38230SFrank Schaefer v4l2->capture_type = 2; 697227b7c90SFrank Schaefer data_pkt += vbi_data_len; 698227b7c90SFrank Schaefer data_len -= vbi_data_len; 699227b7c90SFrank Schaefer } 700227b7c90SFrank Schaefer } 701227b7c90SFrank Schaefer 702f0e38230SFrank Schaefer if (v4l2->capture_type == 2) { 703227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 704227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 705f0e38230SFrank Schaefer v4l2->capture_type = 3; 706227b7c90SFrank Schaefer } 707227b7c90SFrank Schaefer 708f0e38230SFrank Schaefer if (v4l2->capture_type == 3 && buf != NULL && data_len > 0) 709227b7c90SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 710227b7c90SFrank Schaefer } 711227b7c90SFrank Schaefer 712e507e0e5SFrank Schaefer /* 713e507e0e5SFrank Schaefer * Process data packet according to the em25xx/em276x/7x/8x frame data format 714e507e0e5SFrank Schaefer */ 715e507e0e5SFrank Schaefer static inline void process_frame_data_em25xx(struct em28xx *dev, 716e507e0e5SFrank Schaefer unsigned char *data_pkt, 717e507e0e5SFrank Schaefer unsigned int data_len) 718e507e0e5SFrank Schaefer { 719e507e0e5SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 720e507e0e5SFrank Schaefer struct em28xx_dmaqueue *dmaq = &dev->vidq; 721f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 7227e6c8c19SMauro Carvalho Chehab bool frame_end = false; 723e507e0e5SFrank Schaefer 724e507e0e5SFrank Schaefer /* Check for header */ 725e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 726e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 727e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 728e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 729e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 730f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[1] & 731e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 732e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 733e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 734e507e0e5SFrank Schaefer data_pkt += 2; 735e507e0e5SFrank Schaefer data_len -= 2; 736e507e0e5SFrank Schaefer } 737e507e0e5SFrank Schaefer 738e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 739e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 740e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 741e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 742e507e0e5SFrank Schaefer } 743e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 744e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 745e507e0e5SFrank Schaefer * first frame. 746e507e0e5SFrank Schaefer */ 747e507e0e5SFrank Schaefer } 748e507e0e5SFrank Schaefer 749e507e0e5SFrank Schaefer /* Copy data */ 750e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 751e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 752e507e0e5SFrank Schaefer 753e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 754e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 755e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 756e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 757e507e0e5SFrank Schaefer } 758e507e0e5SFrank Schaefer 759e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 760e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 761e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 762e507e0e5SFrank Schaefer * header like with the other em28xx devices. 763e507e0e5SFrank Schaefer */ 764e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 765e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 766e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 767e507e0e5SFrank Schaefer } 768e507e0e5SFrank Schaefer 769960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7700fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7710c0d06caSMauro Carvalho Chehab { 772227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 773227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 774227b7c90SFrank Schaefer unsigned int usb_data_len; 7750c0d06caSMauro Carvalho Chehab 7760c0d06caSMauro Carvalho Chehab if (!dev) 7770c0d06caSMauro Carvalho Chehab return 0; 7780c0d06caSMauro Carvalho Chehab 7792665c299SFrank Schaefer if (dev->disconnected) 7800c0d06caSMauro Carvalho Chehab return 0; 7810c0d06caSMauro Carvalho Chehab 7821653cb0cSFrank Schaefer if (urb->status < 0) 7830c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7840c0d06caSMauro Carvalho Chehab 7854601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7864601cc39SFrank Schaefer 7874601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7884601cc39SFrank Schaefer num_packets = 1; 7894601cc39SFrank Schaefer else /* isoc */ 7904601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7910c0d06caSMauro Carvalho Chehab 7924601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7934601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 794227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 7954601cc39SFrank Schaefer 796227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 7974601cc39SFrank Schaefer } else { /* isoc */ 7984601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 7994601cc39SFrank Schaefer print_err_status(dev, i, 8004601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 8010c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 8020c0d06caSMauro Carvalho Chehab continue; 8030c0d06caSMauro Carvalho Chehab } 8040c0d06caSMauro Carvalho Chehab 805227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 806227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 8070c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 8080c0d06caSMauro Carvalho Chehab continue; 8090c0d06caSMauro Carvalho Chehab } 8100c0d06caSMauro Carvalho Chehab 811227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8124601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8134601cc39SFrank Schaefer } 8144601cc39SFrank Schaefer 815227b7c90SFrank Schaefer if (usb_data_len == 0) { 8164601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8174601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8184601cc39SFrank Schaefer continue; 8194601cc39SFrank Schaefer } 8200c0d06caSMauro Carvalho Chehab 821e507e0e5SFrank Schaefer if (dev->is_em25xx) 822e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 823e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 824e507e0e5SFrank Schaefer else 825e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 826e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 827e507e0e5SFrank Schaefer 8280c0d06caSMauro Carvalho Chehab } 829227b7c90SFrank Schaefer return 1; 8300c0d06caSMauro Carvalho Chehab } 8310c0d06caSMauro Carvalho Chehab 832d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 833d3829fadSDevin Heitmueller { 834d3829fadSDevin Heitmueller switch (f_type) { 835d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 836d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 837d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 838d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 839d3829fadSDevin Heitmueller default: 840d3829fadSDevin Heitmueller BUG(); 841d3829fadSDevin Heitmueller } 842d3829fadSDevin Heitmueller } 843d3829fadSDevin Heitmueller 844d3829fadSDevin Heitmueller /* Usage lock check functions */ 845d3829fadSDevin Heitmueller static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) 846d3829fadSDevin Heitmueller { 847d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 848d3829fadSDevin Heitmueller 849d3829fadSDevin Heitmueller /* is it free? */ 850d3829fadSDevin Heitmueller if (dev->resources & res_type) { 851d3829fadSDevin Heitmueller /* no, someone else uses it */ 852d3829fadSDevin Heitmueller return -EBUSY; 853d3829fadSDevin Heitmueller } 854d3829fadSDevin Heitmueller 855d3829fadSDevin Heitmueller /* it's free, grab it */ 856d3829fadSDevin Heitmueller dev->resources |= res_type; 857d3829fadSDevin Heitmueller em28xx_videodbg("res: get %d\n", res_type); 858d3829fadSDevin Heitmueller return 0; 859d3829fadSDevin Heitmueller } 860d3829fadSDevin Heitmueller 861d3829fadSDevin Heitmueller static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) 862d3829fadSDevin Heitmueller { 863d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 864d3829fadSDevin Heitmueller 865d3829fadSDevin Heitmueller dev->resources &= ~res_type; 866d3829fadSDevin Heitmueller em28xx_videodbg("res: put %d\n", res_type); 867d3829fadSDevin Heitmueller } 868d3829fadSDevin Heitmueller 8690c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 870d3829fadSDevin Heitmueller Videobuf2 operations 8710c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8720c0d06caSMauro Carvalho Chehab 873df9ecb0cSHans Verkuil static int queue_setup(struct vb2_queue *vq, 874d3829fadSDevin Heitmueller unsigned int *nbuffers, unsigned int *nplanes, 875d3829fadSDevin Heitmueller unsigned int sizes[], void *alloc_ctxs[]) 8760c0d06caSMauro Carvalho Chehab { 877d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 878753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 879df9ecb0cSHans Verkuil unsigned long size = 88006e20672SFrank Schaefer (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 8810c0d06caSMauro Carvalho Chehab 882df9ecb0cSHans Verkuil if (*nplanes) 883df9ecb0cSHans Verkuil return sizes[0] < size ? -EINVAL : 0; 884d3829fadSDevin Heitmueller *nplanes = 1; 885d3829fadSDevin Heitmueller sizes[0] = size; 8860c0d06caSMauro Carvalho Chehab return 0; 8870c0d06caSMauro Carvalho Chehab } 8880c0d06caSMauro Carvalho Chehab 8890c0d06caSMauro Carvalho Chehab static int 890d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 8910c0d06caSMauro Carvalho Chehab { 8922d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 893d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 894753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 895d3829fadSDevin Heitmueller unsigned long size; 8960c0d06caSMauro Carvalho Chehab 8972d700715SJunghak Sung em28xx_videodbg("%s, field=%d\n", __func__, vbuf->field); 8980c0d06caSMauro Carvalho Chehab 89906e20672SFrank Schaefer size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 900d3829fadSDevin Heitmueller 901d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 902d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 903d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 9040c0d06caSMauro Carvalho Chehab return -EINVAL; 905d3829fadSDevin Heitmueller } 9062d700715SJunghak Sung vb2_set_plane_payload(vb, 0, size); 9070c0d06caSMauro Carvalho Chehab 908d3829fadSDevin Heitmueller return 0; 9090c0d06caSMauro Carvalho Chehab } 9100c0d06caSMauro Carvalho Chehab 911d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 912d3829fadSDevin Heitmueller { 913d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 914f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 915d3829fadSDevin Heitmueller struct v4l2_frequency f; 9162d700715SJunghak Sung struct v4l2_fh *owner; 917d3829fadSDevin Heitmueller int rc = 0; 9180c0d06caSMauro Carvalho Chehab 919d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 920d3829fadSDevin Heitmueller 921d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 922d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 923d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 924d3829fadSDevin Heitmueller if (rc) 925d3829fadSDevin Heitmueller return rc; 926d3829fadSDevin Heitmueller 9278139a4d5SFrank Schaefer if (v4l2->streaming_users == 0) { 928d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 929d3829fadSDevin Heitmueller 930d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 931d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 932d3829fadSDevin Heitmueller 933d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 934d3829fadSDevin Heitmueller some i2c device 935d3829fadSDevin Heitmueller */ 936d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 937d3829fadSDevin Heitmueller 938f0e38230SFrank Schaefer v4l2->capture_type = -1; 939c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 940c647a91aSFrank Schaefer dev->analog_xfer_bulk, 9410c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 9420c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 943c647a91aSFrank Schaefer dev->packet_multiplier, 9440fa4a402SFrank Schaefer em28xx_urb_data_copy); 9450c0d06caSMauro Carvalho Chehab if (rc < 0) 946032f1ddfSFrank Schaefer return rc; 947d3829fadSDevin Heitmueller 948d3829fadSDevin Heitmueller /* 949d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 950d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 951d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 952d3829fadSDevin Heitmueller */ 953d3829fadSDevin Heitmueller 954d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 955d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 9563854b0d8SFrank Schaefer f.frequency = v4l2->frequency; 9572d700715SJunghak Sung owner = (struct v4l2_fh *)vq->owner; 9582d700715SJunghak Sung if (owner && owner->vdev->vfl_type == VFL_TYPE_RADIO) 959d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 960d3829fadSDevin Heitmueller else 961d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 962f0e38230SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 96395d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 96413d52fe4SMauro Carvalho Chehab 96513d52fe4SMauro Carvalho Chehab /* Enable video stream at TV decoder */ 96613d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 1); 9670c0d06caSMauro Carvalho Chehab } 9680c0d06caSMauro Carvalho Chehab 9698139a4d5SFrank Schaefer v4l2->streaming_users++; 970032f1ddfSFrank Schaefer 9710c0d06caSMauro Carvalho Chehab return rc; 9720c0d06caSMauro Carvalho Chehab } 9730c0d06caSMauro Carvalho Chehab 974e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 9750c0d06caSMauro Carvalho Chehab { 976d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 9778139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 9780c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 979d3829fadSDevin Heitmueller unsigned long flags = 0; 9800c0d06caSMauro Carvalho Chehab 981d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9820c0d06caSMauro Carvalho Chehab 983d3829fadSDevin Heitmueller res_free(dev, vq->type); 984d3829fadSDevin Heitmueller 9858139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 98613d52fe4SMauro Carvalho Chehab /* Disable video stream at TV decoder */ 98713d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); 98813d52fe4SMauro Carvalho Chehab 989d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 990d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 9910c0d06caSMauro Carvalho Chehab } 9920c0d06caSMauro Carvalho Chehab 993d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 994627530c3SFrank Schaefer if (dev->usb_ctl.vid_buf != NULL) { 9952d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vid_buf->vb.vb2_buf, 9962d700715SJunghak Sung VB2_BUF_STATE_ERROR); 997627530c3SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 998627530c3SFrank Schaefer } 999d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 1000d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1001fdf1bc9fSMauro Carvalho Chehab 1002d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 1003d3829fadSDevin Heitmueller list_del(&buf->list); 10042d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1005d3829fadSDevin Heitmueller } 1006d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1007d3829fadSDevin Heitmueller } 1008d3829fadSDevin Heitmueller 1009e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 10100c0d06caSMauro Carvalho Chehab { 1011d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 10128139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1013d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 1014d3829fadSDevin Heitmueller unsigned long flags = 0; 10150c0d06caSMauro Carvalho Chehab 1016d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 10170c0d06caSMauro Carvalho Chehab 1018d3829fadSDevin Heitmueller res_free(dev, vq->type); 1019d3829fadSDevin Heitmueller 10208139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 102113d52fe4SMauro Carvalho Chehab /* Disable video stream at TV decoder */ 102213d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); 102313d52fe4SMauro Carvalho Chehab 1024d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1025d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 10260c0d06caSMauro Carvalho Chehab } 10270c0d06caSMauro Carvalho Chehab 1028d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1029627530c3SFrank Schaefer if (dev->usb_ctl.vbi_buf != NULL) { 10302d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb.vb2_buf, 10312d700715SJunghak Sung VB2_BUF_STATE_ERROR); 1032627530c3SFrank Schaefer dev->usb_ctl.vbi_buf = NULL; 1033627530c3SFrank Schaefer } 1034d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1035d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1036fdf1bc9fSMauro Carvalho Chehab 1037d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1038d3829fadSDevin Heitmueller list_del(&buf->list); 10392d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1040d3829fadSDevin Heitmueller } 1041d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1042d3829fadSDevin Heitmueller } 1043d3829fadSDevin Heitmueller 1044d3829fadSDevin Heitmueller static void 1045d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1046d3829fadSDevin Heitmueller { 10472d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1048d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 10492d700715SJunghak Sung struct em28xx_buffer *buf = 10502d700715SJunghak Sung container_of(vbuf, struct em28xx_buffer, vb); 1051d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1052d3829fadSDevin Heitmueller unsigned long flags = 0; 1053d3829fadSDevin Heitmueller 1054d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1055d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1056d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1057d3829fadSDevin Heitmueller 1058d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1059d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1060d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1061d3829fadSDevin Heitmueller } 1062d3829fadSDevin Heitmueller 1063d3829fadSDevin Heitmueller static struct vb2_ops em28xx_video_qops = { 1064d3829fadSDevin Heitmueller .queue_setup = queue_setup, 10650c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 10660c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1067d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1068d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1069d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1070d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 10710c0d06caSMauro Carvalho Chehab }; 10720c0d06caSMauro Carvalho Chehab 107301c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1074d3829fadSDevin Heitmueller { 1075d3829fadSDevin Heitmueller int rc; 1076d3829fadSDevin Heitmueller struct vb2_queue *q; 107727a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1078d3829fadSDevin Heitmueller 1079d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 108027a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1081d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1082ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1083ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1084d3829fadSDevin Heitmueller q->drv_priv = dev; 1085d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1086d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1087d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1088d3829fadSDevin Heitmueller 1089d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1090d3829fadSDevin Heitmueller if (rc < 0) 1091d3829fadSDevin Heitmueller return rc; 1092d3829fadSDevin Heitmueller 1093d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 109427a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1095d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1096d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1097ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1098d3829fadSDevin Heitmueller q->drv_priv = dev; 1099d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1100d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1101d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1102d3829fadSDevin Heitmueller 1103d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1104d3829fadSDevin Heitmueller if (rc < 0) 1105d3829fadSDevin Heitmueller return rc; 1106d3829fadSDevin Heitmueller 1107d3829fadSDevin Heitmueller return 0; 1108d3829fadSDevin Heitmueller } 1109d3829fadSDevin Heitmueller 11100c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 11110c0d06caSMauro Carvalho Chehab 11120c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 11130c0d06caSMauro Carvalho Chehab { 111495d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 1115fdf1bc9fSMauro Carvalho Chehab 11160c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 11170c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 11180c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 11190c0d06caSMauro Carvalho Chehab 11200c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11210c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11220c0d06caSMauro Carvalho Chehab 112395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 11240c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 11250c0d06caSMauro Carvalho Chehab 11260c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 11270c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 112895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 11290c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 11300c0d06caSMauro Carvalho Chehab } 11310c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 113295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 1133fdf1bc9fSMauro Carvalho Chehab dev->ctl_ainput, 1134fdf1bc9fSMauro Carvalho Chehab MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11350c0d06caSMauro Carvalho Chehab } 11360c0d06caSMauro Carvalho Chehab 11370c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 113895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11390c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11400c0d06caSMauro Carvalho Chehab } 11410c0d06caSMauro Carvalho Chehab 11420c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11430c0d06caSMauro Carvalho Chehab } 11440c0d06caSMauro Carvalho Chehab 114501c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11460c0d06caSMauro Carvalho Chehab { 1147081b945eSHans Verkuil struct em28xx *dev = priv; 11480c0d06caSMauro Carvalho Chehab 11490c0d06caSMauro Carvalho Chehab /* 1150081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1151081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1152081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1153081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11540c0d06caSMauro Carvalho Chehab */ 11550c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11560c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1157081b945eSHans Verkuil dev->mute = ctrl->val; 1158081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11590c0d06caSMauro Carvalho Chehab break; 11600c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1161081b945eSHans Verkuil dev->volume = ctrl->val; 1162081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1163081b945eSHans Verkuil break; 1164081b945eSHans Verkuil } 1165081b945eSHans Verkuil } 1166081b945eSHans Verkuil 1167081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1168081b945eSHans Verkuil { 1169abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1170abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1171abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11728f8b113aSFrank Schaefer int ret = -EINVAL; 1173081b945eSHans Verkuil 1174081b945eSHans Verkuil switch (ctrl->id) { 1175081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1176081b945eSHans Verkuil dev->mute = ctrl->val; 11778f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1178081b945eSHans Verkuil break; 1179081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1180081b945eSHans Verkuil dev->volume = ctrl->val; 11818f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11828f8b113aSFrank Schaefer break; 11838f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11848f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11858f8b113aSFrank Schaefer break; 11868f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11878f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11888f8b113aSFrank Schaefer break; 11898f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11908f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11918f8b113aSFrank Schaefer break; 11928f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11938f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11948f8b113aSFrank Schaefer break; 11958f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11968f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 11978f8b113aSFrank Schaefer break; 11988f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 11998f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 12000c0d06caSMauro Carvalho Chehab break; 12010c0d06caSMauro Carvalho Chehab } 12020c0d06caSMauro Carvalho Chehab 12038f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 12040c0d06caSMauro Carvalho Chehab } 12050c0d06caSMauro Carvalho Chehab 12068068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1207081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1208081b945eSHans Verkuil }; 1209081b945eSHans Verkuil 12106b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 12110c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 12120c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 12130c0d06caSMauro Carvalho Chehab { 12140c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12150c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12160c0d06caSMauro Carvalho Chehab 12170c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 121881685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 121981685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 12200c0d06caSMauro Carvalho Chehab 12210c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 122281685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 122381685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 12240c0d06caSMauro Carvalho Chehab } 12250c0d06caSMauro Carvalho Chehab 1226b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1227b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1228b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1229b8374138SFrank Schaefer { 1230b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1231b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1232b8374138SFrank Schaefer 1233b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1234b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1235b8374138SFrank Schaefer } 1236b8374138SFrank Schaefer 12370c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12380c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12390c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12400c0d06caSMauro Carvalho Chehab 12410c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12420c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12430c0d06caSMauro Carvalho Chehab { 1244917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1245753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12460c0d06caSMauro Carvalho Chehab 1247753aee77SFrank Schaefer f->fmt.pix.width = v4l2->width; 1248753aee77SFrank Schaefer f->fmt.pix.height = v4l2->height; 124906e20672SFrank Schaefer f->fmt.pix.pixelformat = v4l2->format->fourcc; 125006e20672SFrank Schaefer f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; 1251753aee77SFrank Schaefer f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; 12520c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12530c0d06caSMauro Carvalho Chehab 12540c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 125558159171SFrank Schaefer if (v4l2->progressive) 12560c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12570c0d06caSMauro Carvalho Chehab else 125858159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 12590c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12600c0d06caSMauro Carvalho Chehab return 0; 12610c0d06caSMauro Carvalho Chehab } 12620c0d06caSMauro Carvalho Chehab 12630c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12640c0d06caSMauro Carvalho Chehab { 12650c0d06caSMauro Carvalho Chehab unsigned int i; 12660c0d06caSMauro Carvalho Chehab 12670c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12680c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12690c0d06caSMauro Carvalho Chehab return &format[i]; 12700c0d06caSMauro Carvalho Chehab 12710c0d06caSMauro Carvalho Chehab return NULL; 12720c0d06caSMauro Carvalho Chehab } 12730c0d06caSMauro Carvalho Chehab 12740c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12750c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12760c0d06caSMauro Carvalho Chehab { 1277917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 127858159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12790c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12800c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12810c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12820c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12830c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12840c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12850c0d06caSMauro Carvalho Chehab 12860c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12870c0d06caSMauro Carvalho Chehab if (!fmt) { 12880c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12890c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12900c0d06caSMauro Carvalho Chehab return -EINVAL; 12910c0d06caSMauro Carvalho Chehab } 12920c0d06caSMauro Carvalho Chehab 12930c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12940c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12950c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12960c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1297d3829fadSDevin Heitmueller /* 1298d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1299d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1300d3829fadSDevin Heitmueller * to 50% 1301d3829fadSDevin Heitmueller */ 13020c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 13030c0d06caSMauro Carvalho Chehab width /= 2; 13040c0d06caSMauro Carvalho Chehab } else { 13050c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 13060c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 13070c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 13080c0d06caSMauro Carvalho Chehab 1, 0); 13090c0d06caSMauro Carvalho Chehab } 13100c0d06caSMauro Carvalho Chehab 13116b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 131246f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 13130c0d06caSMauro Carvalho Chehab 13140c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 13150c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 13160c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1317e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 13180c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 13190c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 132058159171SFrank Schaefer if (v4l2->progressive) 13210c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 13220c0d06caSMauro Carvalho Chehab else 132358159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 13240c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 132551dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 13260c0d06caSMauro Carvalho Chehab 13270c0d06caSMauro Carvalho Chehab return 0; 13280c0d06caSMauro Carvalho Chehab } 13290c0d06caSMauro Carvalho Chehab 13300c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 13310c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13320c0d06caSMauro Carvalho Chehab { 13330c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 1334753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13350c0d06caSMauro Carvalho Chehab 13360c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13370c0d06caSMauro Carvalho Chehab if (!fmt) 13380c0d06caSMauro Carvalho Chehab return -EINVAL; 13390c0d06caSMauro Carvalho Chehab 134006e20672SFrank Schaefer v4l2->format = fmt; 1341753aee77SFrank Schaefer v4l2->width = width; 1342753aee77SFrank Schaefer v4l2->height = height; 13430c0d06caSMauro Carvalho Chehab 13440c0d06caSMauro Carvalho Chehab /* set new image size */ 1345753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1346753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13470c0d06caSMauro Carvalho Chehab 13480c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13490c0d06caSMauro Carvalho Chehab 13500c0d06caSMauro Carvalho Chehab return 0; 13510c0d06caSMauro Carvalho Chehab } 13520c0d06caSMauro Carvalho Chehab 13530c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13540c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13550c0d06caSMauro Carvalho Chehab { 1356d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13578139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13580c0d06caSMauro Carvalho Chehab 1359c7854c2cSMauro Carvalho Chehab if (vb2_is_busy(&v4l2->vb_vidq)) 1360d3829fadSDevin Heitmueller return -EBUSY; 13610c0d06caSMauro Carvalho Chehab 13620c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13630c0d06caSMauro Carvalho Chehab 13640c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13650c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13660c0d06caSMauro Carvalho Chehab } 13670c0d06caSMauro Carvalho Chehab 13680c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13690c0d06caSMauro Carvalho Chehab { 1370917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 13710c0d06caSMauro Carvalho Chehab 137252faaf78SFrank Schaefer *norm = dev->v4l2->norm; 13730c0d06caSMauro Carvalho Chehab 13740c0d06caSMauro Carvalho Chehab return 0; 13750c0d06caSMauro Carvalho Chehab } 13760c0d06caSMauro Carvalho Chehab 13770c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13780c0d06caSMauro Carvalho Chehab { 1379917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 13800c0d06caSMauro Carvalho Chehab 138195d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13820c0d06caSMauro Carvalho Chehab 13830c0d06caSMauro Carvalho Chehab return 0; 13840c0d06caSMauro Carvalho Chehab } 13850c0d06caSMauro Carvalho Chehab 1386314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13870c0d06caSMauro Carvalho Chehab { 1388917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1389753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13900c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13910c0d06caSMauro Carvalho Chehab 139252faaf78SFrank Schaefer if (norm == v4l2->norm) 1393d8c95c08SHans Verkuil return 0; 13940c0d06caSMauro Carvalho Chehab 13958139a4d5SFrank Schaefer if (v4l2->streaming_users > 0) 1396d8c95c08SHans Verkuil return -EBUSY; 1397d8c95c08SHans Verkuil 139852faaf78SFrank Schaefer v4l2->norm = norm; 13990c0d06caSMauro Carvalho Chehab 14000c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1401d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1402314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 14030c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 14040c0d06caSMauro Carvalho Chehab 14050c0d06caSMauro Carvalho Chehab /* set new image size */ 1406753aee77SFrank Schaefer v4l2->width = f.fmt.pix.width; 1407753aee77SFrank Schaefer v4l2->height = f.fmt.pix.height; 1408753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1409753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 14100c0d06caSMauro Carvalho Chehab 14110c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 14128774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 14130c0d06caSMauro Carvalho Chehab 14140c0d06caSMauro Carvalho Chehab return 0; 14150c0d06caSMauro Carvalho Chehab } 14160c0d06caSMauro Carvalho Chehab 14170c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 14180c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14190c0d06caSMauro Carvalho Chehab { 1420917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 142152faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14220c0d06caSMauro Carvalho Chehab int rc = 0; 14230c0d06caSMauro Carvalho Chehab 142486ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 14250c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 142652faaf78SFrank Schaefer rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, 14270c0d06caSMauro Carvalho Chehab video, g_parm, p); 14280c0d06caSMauro Carvalho Chehab else 142952faaf78SFrank Schaefer v4l2_video_std_frame_period(v4l2->norm, 14300c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 14310c0d06caSMauro Carvalho Chehab 14320c0d06caSMauro Carvalho Chehab return rc; 14330c0d06caSMauro Carvalho Chehab } 14340c0d06caSMauro Carvalho Chehab 14350c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14360c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14370c0d06caSMauro Carvalho Chehab { 1438917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14390c0d06caSMauro Carvalho Chehab 144086ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 144195d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 144295d2608bSFrank Schaefer 0, video, s_parm, p); 14430c0d06caSMauro Carvalho Chehab } 14440c0d06caSMauro Carvalho Chehab 14450c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14460c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14470c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14480c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14490c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14500c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14510c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14520c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14530c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14540c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14550c0d06caSMauro Carvalho Chehab }; 14560c0d06caSMauro Carvalho Chehab 14570c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14580c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14590c0d06caSMauro Carvalho Chehab { 1460917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14610c0d06caSMauro Carvalho Chehab unsigned int n; 14620c0d06caSMauro Carvalho Chehab 14630c0d06caSMauro Carvalho Chehab n = i->index; 14640c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14650c0d06caSMauro Carvalho Chehab return -EINVAL; 14660c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14670c0d06caSMauro Carvalho Chehab return -EINVAL; 14680c0d06caSMauro Carvalho Chehab 14690c0d06caSMauro Carvalho Chehab i->index = n; 14700c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14710c0d06caSMauro Carvalho Chehab 14720c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14730c0d06caSMauro Carvalho Chehab 14740c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14750c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14760c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14770c0d06caSMauro Carvalho Chehab 1478d4352f36SHans Verkuil i->std = dev->v4l2->vdev.tvnorms; 1479d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1480d8c95c08SHans Verkuil if (dev->board.is_webcam) 1481d8c95c08SHans Verkuil i->capabilities = 0; 14820c0d06caSMauro Carvalho Chehab 14830c0d06caSMauro Carvalho Chehab return 0; 14840c0d06caSMauro Carvalho Chehab } 14850c0d06caSMauro Carvalho Chehab 14860c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14870c0d06caSMauro Carvalho Chehab { 1488917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14890c0d06caSMauro Carvalho Chehab 14900c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14910c0d06caSMauro Carvalho Chehab 14920c0d06caSMauro Carvalho Chehab return 0; 14930c0d06caSMauro Carvalho Chehab } 14940c0d06caSMauro Carvalho Chehab 14950c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14960c0d06caSMauro Carvalho Chehab { 1497917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 14980c0d06caSMauro Carvalho Chehab 14990c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 15000c0d06caSMauro Carvalho Chehab return -EINVAL; 15010c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 15020c0d06caSMauro Carvalho Chehab return -EINVAL; 15030c0d06caSMauro Carvalho Chehab 15040c0d06caSMauro Carvalho Chehab video_mux(dev, i); 15050c0d06caSMauro Carvalho Chehab return 0; 15060c0d06caSMauro Carvalho Chehab } 15070c0d06caSMauro Carvalho Chehab 15080c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 15090c0d06caSMauro Carvalho Chehab { 1510917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15110c0d06caSMauro Carvalho Chehab 15120c0d06caSMauro Carvalho Chehab switch (a->index) { 15130c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 15140c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 15150c0d06caSMauro Carvalho Chehab break; 15160c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 15170c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 15180c0d06caSMauro Carvalho Chehab break; 15190c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 15200c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 15210c0d06caSMauro Carvalho Chehab break; 15220c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 15230c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 15240c0d06caSMauro Carvalho Chehab break; 15250c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 15260c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 15270c0d06caSMauro Carvalho Chehab break; 15280c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15290c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15300c0d06caSMauro Carvalho Chehab break; 15310c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15320c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15330c0d06caSMauro Carvalho Chehab break; 15340c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15350c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15360c0d06caSMauro Carvalho Chehab break; 15370c0d06caSMauro Carvalho Chehab default: 15380c0d06caSMauro Carvalho Chehab return -EINVAL; 15390c0d06caSMauro Carvalho Chehab } 15400c0d06caSMauro Carvalho Chehab 15410c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15420c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15430c0d06caSMauro Carvalho Chehab 15440c0d06caSMauro Carvalho Chehab return 0; 15450c0d06caSMauro Carvalho Chehab } 15460c0d06caSMauro Carvalho Chehab 15470e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15480c0d06caSMauro Carvalho Chehab { 1549917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15500c0d06caSMauro Carvalho Chehab 15510c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15520c0d06caSMauro Carvalho Chehab return -EINVAL; 15530c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15540c0d06caSMauro Carvalho Chehab return -EINVAL; 15550c0d06caSMauro Carvalho Chehab 15560c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15570c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15580c0d06caSMauro Carvalho Chehab 15590c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15600c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15610c0d06caSMauro Carvalho Chehab 15620c0d06caSMauro Carvalho Chehab return 0; 15630c0d06caSMauro Carvalho Chehab } 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15660c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15670c0d06caSMauro Carvalho Chehab { 1568917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15690c0d06caSMauro Carvalho Chehab 15700c0d06caSMauro Carvalho Chehab if (0 != t->index) 15710c0d06caSMauro Carvalho Chehab return -EINVAL; 15720c0d06caSMauro Carvalho Chehab 15730c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15740c0d06caSMauro Carvalho Chehab 157595d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15760c0d06caSMauro Carvalho Chehab return 0; 15770c0d06caSMauro Carvalho Chehab } 15780c0d06caSMauro Carvalho Chehab 15790c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15802f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15810c0d06caSMauro Carvalho Chehab { 1582917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15830c0d06caSMauro Carvalho Chehab 15840c0d06caSMauro Carvalho Chehab if (0 != t->index) 15850c0d06caSMauro Carvalho Chehab return -EINVAL; 15860c0d06caSMauro Carvalho Chehab 158795d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15880c0d06caSMauro Carvalho Chehab return 0; 15890c0d06caSMauro Carvalho Chehab } 15900c0d06caSMauro Carvalho Chehab 15910c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15920c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15930c0d06caSMauro Carvalho Chehab { 1594917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15953854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15960c0d06caSMauro Carvalho Chehab 159720deebfeSHans Verkuil if (0 != f->tuner) 159820deebfeSHans Verkuil return -EINVAL; 159920deebfeSHans Verkuil 16003854b0d8SFrank Schaefer f->frequency = v4l2->frequency; 16010c0d06caSMauro Carvalho Chehab return 0; 16020c0d06caSMauro Carvalho Chehab } 16030c0d06caSMauro Carvalho Chehab 16040c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1605b530a447SHans Verkuil const struct v4l2_frequency *f) 16060c0d06caSMauro Carvalho Chehab { 1607b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 1608917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 160995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16100c0d06caSMauro Carvalho Chehab 16110c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 16120c0d06caSMauro Carvalho Chehab return -EINVAL; 16130c0d06caSMauro Carvalho Chehab 161495d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 161595d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 16163854b0d8SFrank Schaefer v4l2->frequency = new_freq.frequency; 16170c0d06caSMauro Carvalho Chehab 16180c0d06caSMauro Carvalho Chehab return 0; 16190c0d06caSMauro Carvalho Chehab } 16200c0d06caSMauro Carvalho Chehab 1621cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 162296b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 162396b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 16243b2d17b4SHans Verkuil { 1625917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16263b2d17b4SHans Verkuil 16273b2d17b4SHans Verkuil if (chip->match.addr > 1) 16283b2d17b4SHans Verkuil return -EINVAL; 16293b2d17b4SHans Verkuil if (chip->match.addr == 1) 16303b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16313b2d17b4SHans Verkuil else 163295d2608bSFrank Schaefer strlcpy(chip->name, 163395d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16343b2d17b4SHans Verkuil return 0; 16353b2d17b4SHans Verkuil } 16363b2d17b4SHans Verkuil 163735deba32SFrank Schaefer static int em28xx_reg_len(int reg) 163835deba32SFrank Schaefer { 163935deba32SFrank Schaefer switch (reg) { 164035deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 164135deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 164235deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 164335deba32SFrank Schaefer return 2; 164435deba32SFrank Schaefer default: 164535deba32SFrank Schaefer return 1; 164635deba32SFrank Schaefer } 164735deba32SFrank Schaefer } 16480c0d06caSMauro Carvalho Chehab 16490c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16500c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16510c0d06caSMauro Carvalho Chehab { 1652917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16530c0d06caSMauro Carvalho Chehab int ret; 16540c0d06caSMauro Carvalho Chehab 16553b2d17b4SHans Verkuil if (reg->match.addr > 1) 16563b2d17b4SHans Verkuil return -EINVAL; 1657abca2056SHans Verkuil if (reg->match.addr) { 16580c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16590c0d06caSMauro Carvalho Chehab if (ret < 0) 16600c0d06caSMauro Carvalho Chehab return ret; 16610c0d06caSMauro Carvalho Chehab 16620c0d06caSMauro Carvalho Chehab reg->val = ret; 16630c0d06caSMauro Carvalho Chehab reg->size = 1; 16640c0d06caSMauro Carvalho Chehab return 0; 16650c0d06caSMauro Carvalho Chehab } 16660c0d06caSMauro Carvalho Chehab 16670c0d06caSMauro Carvalho Chehab /* Match host */ 16680c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16690c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16700c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16710c0d06caSMauro Carvalho Chehab 16720c0d06caSMauro Carvalho Chehab if (ret < 0) 16730c0d06caSMauro Carvalho Chehab return ret; 16740c0d06caSMauro Carvalho Chehab 16750c0d06caSMauro Carvalho Chehab reg->val = ret; 16760c0d06caSMauro Carvalho Chehab } else { 16770c0d06caSMauro Carvalho Chehab __le16 val = 0; 1678fdf1bc9fSMauro Carvalho Chehab 167901c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16800c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16810c0d06caSMauro Carvalho Chehab if (ret < 0) 16820c0d06caSMauro Carvalho Chehab return ret; 16830c0d06caSMauro Carvalho Chehab 16840c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16850c0d06caSMauro Carvalho Chehab } 16860c0d06caSMauro Carvalho Chehab 16870c0d06caSMauro Carvalho Chehab return 0; 16880c0d06caSMauro Carvalho Chehab } 16890c0d06caSMauro Carvalho Chehab 16900c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1691977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16920c0d06caSMauro Carvalho Chehab { 1693917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16940c0d06caSMauro Carvalho Chehab __le16 buf; 16950c0d06caSMauro Carvalho Chehab 16963b2d17b4SHans Verkuil if (reg->match.addr > 1) 16973b2d17b4SHans Verkuil return -EINVAL; 1698abca2056SHans Verkuil if (reg->match.addr) 16990c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 17000c0d06caSMauro Carvalho Chehab 17010c0d06caSMauro Carvalho Chehab /* Match host */ 17020c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 17030c0d06caSMauro Carvalho Chehab 17040c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 17050c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 17060c0d06caSMauro Carvalho Chehab } 17070c0d06caSMauro Carvalho Chehab #endif 17080c0d06caSMauro Carvalho Chehab 17090c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17100c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17110c0d06caSMauro Carvalho Chehab { 1712a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 1713917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1714ef74a0b9SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 17150c0d06caSMauro Carvalho Chehab 17160c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 17170c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 17180c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 17190c0d06caSMauro Carvalho Chehab 1720a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1721a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1722a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1723a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1724a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1725a9d79fe5SHans Verkuil else 17261d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 17270c0d06caSMauro Carvalho Chehab 1728920f1e4aSFrank Schaefer if (dev->int_audio_type != EM28XX_INT_AUDIO_NONE) 1729a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 17300c0d06caSMauro Carvalho Chehab 17310c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1732a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 17330c0d06caSMauro Carvalho Chehab 1734a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1735a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1736d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 17371d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1738d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) 1739a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 17400c0d06caSMauro Carvalho Chehab return 0; 17410c0d06caSMauro Carvalho Chehab } 17420c0d06caSMauro Carvalho Chehab 17430c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17440c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17450c0d06caSMauro Carvalho Chehab { 17460c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17470c0d06caSMauro Carvalho Chehab return -EINVAL; 17480c0d06caSMauro Carvalho Chehab 17490c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 17500c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 17510c0d06caSMauro Carvalho Chehab 17520c0d06caSMauro Carvalho Chehab return 0; 17530c0d06caSMauro Carvalho Chehab } 17540c0d06caSMauro Carvalho Chehab 17550c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 17560c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 17570c0d06caSMauro Carvalho Chehab { 1758917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17590c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17600c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17610c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17620c0d06caSMauro Carvalho Chehab 17630c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17640c0d06caSMauro Carvalho Chehab if (!fmt) { 17650c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17660c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17670c0d06caSMauro Carvalho Chehab return -EINVAL; 17680c0d06caSMauro Carvalho Chehab } 17690c0d06caSMauro Carvalho Chehab 17700c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17710c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17720c0d06caSMauro Carvalho Chehab return -EINVAL; 17730c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17740c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17750c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17760c0d06caSMauro Carvalho Chehab return 0; 17770c0d06caSMauro Carvalho Chehab } 17780c0d06caSMauro Carvalho Chehab 17790c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17800c0d06caSMauro Carvalho Chehab return -EINVAL; 17810c0d06caSMauro Carvalho Chehab 17820c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17830c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17846c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17856c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17866c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17870c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17886c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17896c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17900c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17910c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17920c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17930c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17940c0d06caSMauro Carvalho Chehab return 0; 17950c0d06caSMauro Carvalho Chehab } 17960c0d06caSMauro Carvalho Chehab 17970c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17980c0d06caSMauro Carvalho Chehab 17990c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 18000c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 18010c0d06caSMauro Carvalho Chehab { 1802917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1803753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18040c0d06caSMauro Carvalho Chehab 1805753aee77SFrank Schaefer format->fmt.vbi.samples_per_line = v4l2->vbi_width; 18060c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 18070c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 18080c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 18090c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 1810753aee77SFrank Schaefer format->fmt.vbi.count[0] = v4l2->vbi_height; 1811753aee77SFrank Schaefer format->fmt.vbi.count[1] = v4l2->vbi_height; 18122a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 18130c0d06caSMauro Carvalho Chehab 18140c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 181552faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 18160c0d06caSMauro Carvalho Chehab /* NTSC */ 18170c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 18180c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 181952faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 18200c0d06caSMauro Carvalho Chehab /* PAL */ 18210c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18220c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18230c0d06caSMauro Carvalho Chehab } 18240c0d06caSMauro Carvalho Chehab 18250c0d06caSMauro Carvalho Chehab return 0; 18260c0d06caSMauro Carvalho Chehab } 18270c0d06caSMauro Carvalho Chehab 18280c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18290c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18300c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18310c0d06caSMauro Carvalho Chehab 18320c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18330c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18340c0d06caSMauro Carvalho Chehab { 1835917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18360c0d06caSMauro Carvalho Chehab 18370c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18380c0d06caSMauro Carvalho Chehab return -EINVAL; 18390c0d06caSMauro Carvalho Chehab 18400c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18410c0d06caSMauro Carvalho Chehab 184295d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18430c0d06caSMauro Carvalho Chehab 18440c0d06caSMauro Carvalho Chehab return 0; 18450c0d06caSMauro Carvalho Chehab } 18460c0d06caSMauro Carvalho Chehab 18470c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18482f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18490c0d06caSMauro Carvalho Chehab { 1850917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18510c0d06caSMauro Carvalho Chehab 18520c0d06caSMauro Carvalho Chehab if (0 != t->index) 18530c0d06caSMauro Carvalho Chehab return -EINVAL; 18540c0d06caSMauro Carvalho Chehab 185595d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18560c0d06caSMauro Carvalho Chehab 18570c0d06caSMauro Carvalho Chehab return 0; 18580c0d06caSMauro Carvalho Chehab } 18590c0d06caSMauro Carvalho Chehab 18600c0d06caSMauro Carvalho Chehab /* 186195d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 186295d2608bSFrank Schaefer * 186395d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 186495d2608bSFrank Schaefer * 186595d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 186695d2608bSFrank Schaefer */ 1867f472c0b5SMauro Carvalho Chehab static void em28xx_free_v4l2(struct kref *ref) 186895d2608bSFrank Schaefer { 186995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 187095d2608bSFrank Schaefer 1871abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 187295d2608bSFrank Schaefer kfree(v4l2); 187395d2608bSFrank Schaefer } 187495d2608bSFrank Schaefer 187595d2608bSFrank Schaefer /* 18760c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18770c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18780c0d06caSMauro Carvalho Chehab */ 18790c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18800c0d06caSMauro Carvalho Chehab { 18810c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18820c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 188395d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18840c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18853c0f90e1SFrank Schaefer int ret; 18860c0d06caSMauro Carvalho Chehab 18870c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18880c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18890c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18900c0d06caSMauro Carvalho Chehab break; 18910c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18920c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18930c0d06caSMauro Carvalho Chehab break; 18944e170240SFrank Schaefer case VFL_TYPE_RADIO: 18954e170240SFrank Schaefer break; 18964e170240SFrank Schaefer default: 18974e170240SFrank Schaefer return -EINVAL; 18980c0d06caSMauro Carvalho Chehab } 18990c0d06caSMauro Carvalho Chehab 19008e2c8717SFrank Schaefer em28xx_videodbg("open dev=%s type=%s users=%d\n", 19018e2c8717SFrank Schaefer video_device_node_name(vdev), v4l2_type_names[fh_type], 19028e2c8717SFrank Schaefer v4l2->users); 19030c0d06caSMauro Carvalho Chehab 19040c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19050c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19063c0f90e1SFrank Schaefer 19073c0f90e1SFrank Schaefer ret = v4l2_fh_open(filp); 19083c0f90e1SFrank Schaefer if (ret) { 19093c0f90e1SFrank Schaefer em28xx_errdev("%s: v4l2_fh_open() returned error %d\n", 19103c0f90e1SFrank Schaefer __func__, ret); 19110c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19123c0f90e1SFrank Schaefer return ret; 19130c0d06caSMauro Carvalho Chehab } 19140c0d06caSMauro Carvalho Chehab 19158e2c8717SFrank Schaefer if (v4l2->users == 0) { 19160c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19174e170240SFrank Schaefer 19184e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19190c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19200c0d06caSMauro Carvalho Chehab 19214e170240SFrank Schaefer /* 19224e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19234e170240SFrank Schaefer * of some i2c devices 19240c0d06caSMauro Carvalho Chehab */ 19250c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19260c0d06caSMauro Carvalho Chehab } 1927d3829fadSDevin Heitmueller 1928d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19290c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 193095d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19310c0d06caSMauro Carvalho Chehab } 19320c0d06caSMauro Carvalho Chehab 193347677e51SMauro Carvalho Chehab kref_get(&dev->ref); 193495d2608bSFrank Schaefer kref_get(&v4l2->ref); 19358e2c8717SFrank Schaefer v4l2->users++; 19360c0d06caSMauro Carvalho Chehab 19370c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19380c0d06caSMauro Carvalho Chehab 1939d3829fadSDevin Heitmueller return 0; 19400c0d06caSMauro Carvalho Chehab } 19410c0d06caSMauro Carvalho Chehab 19420c0d06caSMauro Carvalho Chehab /* 194301c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19440c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19450c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19460c0d06caSMauro Carvalho Chehab */ 194701c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19480c0d06caSMauro Carvalho Chehab { 194995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 195095d2608bSFrank Schaefer 1951822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1952822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1953822b8deaSMauro Carvalho Chehab return 0; 1954822b8deaSMauro Carvalho Chehab } 1955822b8deaSMauro Carvalho Chehab 195601c28193SMauro Carvalho Chehab if (!dev->has_video) { 195701c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 195801c28193SMauro Carvalho Chehab return 0; 195901c28193SMauro Carvalho Chehab } 19600c0d06caSMauro Carvalho Chehab 196195d2608bSFrank Schaefer if (v4l2 == NULL) 196295d2608bSFrank Schaefer return 0; 196395d2608bSFrank Schaefer 19640418ca60SRussell King em28xx_info("Closing video extension\n"); 1965aa929ad7SMauro Carvalho Chehab 1966ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1967ebbfbc20SMauro Carvalho Chehab 196895d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19695ad10de6SFrank Schaefer 197023e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 197123e8642cSFrank Schaefer 1972d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) { 1973e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1974d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 1975d4352f36SHans Verkuil video_unregister_device(&v4l2->radio_dev); 19760c0d06caSMauro Carvalho Chehab } 1977d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) { 19780c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1979d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 1980d4352f36SHans Verkuil video_unregister_device(&v4l2->vbi_dev); 19810c0d06caSMauro Carvalho Chehab } 1982d4352f36SHans Verkuil if (video_is_registered(&v4l2->vdev)) { 19830c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1984d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 1985d4352f36SHans Verkuil video_unregister_device(&v4l2->vdev); 19860c0d06caSMauro Carvalho Chehab } 198701c28193SMauro Carvalho Chehab 1988abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 198995d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1990103f18a2SFrank Schaefer 19912c52a2fcSFrank Schaefer if (v4l2->clk) { 19922c52a2fcSFrank Schaefer v4l2_clk_unregister_fixed(v4l2->clk); 19932c52a2fcSFrank Schaefer v4l2->clk = NULL; 199425dd1652SFrank Schaefer } 199525dd1652SFrank Schaefer 199695d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 199795d2608bSFrank Schaefer 1998ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 199995d2608bSFrank Schaefer 200047677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 20015ad10de6SFrank Schaefer 200201c28193SMauro Carvalho Chehab return 0; 20030c0d06caSMauro Carvalho Chehab } 20040c0d06caSMauro Carvalho Chehab 2005a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 2006a61f6811SShuah Khan { 2007a61f6811SShuah Khan if (dev->is_audio_only) 2008a61f6811SShuah Khan return 0; 2009a61f6811SShuah Khan 2010a61f6811SShuah Khan if (!dev->has_video) 2011a61f6811SShuah Khan return 0; 2012a61f6811SShuah Khan 201332e63f03SRussell King em28xx_info("Suspending video extension\n"); 2014a61f6811SShuah Khan em28xx_stop_urbs(dev); 2015a61f6811SShuah Khan return 0; 2016a61f6811SShuah Khan } 2017a61f6811SShuah Khan 2018a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2019a61f6811SShuah Khan { 2020a61f6811SShuah Khan if (dev->is_audio_only) 2021a61f6811SShuah Khan return 0; 2022a61f6811SShuah Khan 2023a61f6811SShuah Khan if (!dev->has_video) 2024a61f6811SShuah Khan return 0; 2025a61f6811SShuah Khan 202632e63f03SRussell King em28xx_info("Resuming video extension\n"); 2027a61f6811SShuah Khan /* what do we do here */ 2028a61f6811SShuah Khan return 0; 2029a61f6811SShuah Khan } 2030a61f6811SShuah Khan 20310c0d06caSMauro Carvalho Chehab /* 20320c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20330c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20340c0d06caSMauro Carvalho Chehab * calls and ioctls 20350c0d06caSMauro Carvalho Chehab */ 20360c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20370c0d06caSMauro Carvalho Chehab { 2038917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(filp); 203995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20400c0d06caSMauro Carvalho Chehab int errCode; 20410c0d06caSMauro Carvalho Chehab 20428e2c8717SFrank Schaefer em28xx_videodbg("users=%d\n", v4l2->users); 20438e2c8717SFrank Schaefer 20448e2c8717SFrank Schaefer vb2_fop_release(filp); 204598c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20460c0d06caSMauro Carvalho Chehab 20478e2c8717SFrank Schaefer if (v4l2->users == 1) { 204847677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 204947677e51SMauro Carvalho Chehab if (dev->disconnected) 205001c28193SMauro Carvalho Chehab goto exit; 20510c0d06caSMauro Carvalho Chehab 20520c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 205395d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20540c0d06caSMauro Carvalho Chehab 20550c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20560c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20570c0d06caSMauro Carvalho Chehab 20580c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20590c0d06caSMauro Carvalho Chehab dev->alt = 0; 20600c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20610c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20620c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20630c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20640c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20650c0d06caSMauro Carvalho Chehab } 20660c0d06caSMauro Carvalho Chehab } 20670c0d06caSMauro Carvalho Chehab 206801c28193SMauro Carvalho Chehab exit: 20698e2c8717SFrank Schaefer v4l2->users--; 207095d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20710c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 207247677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 207347677e51SMauro Carvalho Chehab 20740c0d06caSMauro Carvalho Chehab return 0; 20750c0d06caSMauro Carvalho Chehab } 20760c0d06caSMauro Carvalho Chehab 20770c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20780c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20790c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20800c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2081d3829fadSDevin Heitmueller .read = vb2_fop_read, 2082d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2083d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20840c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20850c0d06caSMauro Carvalho Chehab }; 20860c0d06caSMauro Carvalho Chehab 20870c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20880c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20890c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20900c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20910c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 20920c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 20930c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20942a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2095aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 20960c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 20970c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 20980c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 20990c0d06caSMauro Carvalho Chehab 2100d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2101d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2102d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2103d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2104d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2105d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2106d3829fadSDevin Heitmueller 21070c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 21080c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 21090c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 21100c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 21110c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 21120c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 21130c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 21140c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2115d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2116d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21170c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21180c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21190c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21200c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 212150fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 212250fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21230c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 212496b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21250c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21260c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21270c0d06caSMauro Carvalho Chehab #endif 21280c0d06caSMauro Carvalho Chehab }; 21290c0d06caSMauro Carvalho Chehab 21300c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21310c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21320c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2133d4352f36SHans Verkuil .release = video_device_release_empty, 21340c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21350c0d06caSMauro Carvalho Chehab }; 21360c0d06caSMauro Carvalho Chehab 21370c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21380c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21390c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21400c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21410c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21420c0d06caSMauro Carvalho Chehab }; 21430c0d06caSMauro Carvalho Chehab 21440c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2145a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21460c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21470c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21480c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21490c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 215050fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 215150fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21520c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2153430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21540c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21550c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21560c0d06caSMauro Carvalho Chehab #endif 21570c0d06caSMauro Carvalho Chehab }; 21580c0d06caSMauro Carvalho Chehab 21590c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21600c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21610c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2162d4352f36SHans Verkuil .release = video_device_release_empty, 21630c0d06caSMauro Carvalho Chehab }; 21640c0d06caSMauro Carvalho Chehab 2165b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2166b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2167b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2168b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2169b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2170b64f8e9aSMauro Carvalho Chehab 2171b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2172b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2173b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2174b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2175b64f8e9aSMauro Carvalho Chehab }; 2176b64f8e9aSMauro Carvalho Chehab 2177b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2178b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2179b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2180b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2181b64f8e9aSMauro Carvalho Chehab }; 2182b64f8e9aSMauro Carvalho Chehab 21830c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21840c0d06caSMauro Carvalho Chehab 2185d4352f36SHans Verkuil static void em28xx_vdev_init(struct em28xx *dev, 2186d4352f36SHans Verkuil struct video_device *vfd, 21870c0d06caSMauro Carvalho Chehab const struct video_device *template, 21880c0d06caSMauro Carvalho Chehab const char *type_name) 21890c0d06caSMauro Carvalho Chehab { 21900c0d06caSMauro Carvalho Chehab *vfd = *template; 219195d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 21920c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 2193d8c95c08SHans Verkuil if (dev->board.is_webcam) 2194d8c95c08SHans Verkuil vfd->tvnorms = 0; 21950c0d06caSMauro Carvalho Chehab 21960c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 21970c0d06caSMauro Carvalho Chehab dev->name, type_name); 21980c0d06caSMauro Carvalho Chehab 21990c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 22000c0d06caSMauro Carvalho Chehab } 22010c0d06caSMauro Carvalho Chehab 22023319e6f8SFrank Schaefer static void em28xx_tuner_setup(struct em28xx *dev, unsigned short tuner_addr) 22030560f337SMauro Carvalho Chehab { 22043854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 22053854b0d8SFrank Schaefer struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; 22060560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 22070560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22080560f337SMauro Carvalho Chehab 22090560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22100560f337SMauro Carvalho Chehab 22110560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22120560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22130560f337SMauro Carvalho Chehab 22140560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22150560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22160560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22170560f337SMauro Carvalho Chehab 221895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 221995d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22200560f337SMauro Carvalho Chehab } 22210560f337SMauro Carvalho Chehab 22220560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22230560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22243319e6f8SFrank Schaefer tun_setup.addr = tuner_addr; 22250560f337SMauro Carvalho Chehab 222695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 222795d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22280560f337SMauro Carvalho Chehab } 22290560f337SMauro Carvalho Chehab 22306867bd5aSFrank Schaefer if (dev->board.tda9887_conf) { 22310560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22320560f337SMauro Carvalho Chehab 22330560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22346867bd5aSFrank Schaefer tda9887_cfg.priv = &dev->board.tda9887_conf; 22350560f337SMauro Carvalho Chehab 223695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223795d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22380560f337SMauro Carvalho Chehab } 22390560f337SMauro Carvalho Chehab 22400560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22410560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22420560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22430560f337SMauro Carvalho Chehab 22440560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22450560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22460560f337SMauro Carvalho Chehab 22470560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22480560f337SMauro Carvalho Chehab 22490560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22500560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22510560f337SMauro Carvalho Chehab 225295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22530560f337SMauro Carvalho Chehab } 22540560f337SMauro Carvalho Chehab 22550560f337SMauro Carvalho Chehab /* configure tuner */ 22560560f337SMauro Carvalho Chehab f.tuner = 0; 22570560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22580560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22593854b0d8SFrank Schaefer v4l2->frequency = f.frequency; 226095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22610560f337SMauro Carvalho Chehab } 22620560f337SMauro Carvalho Chehab 226301c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22640c0d06caSMauro Carvalho Chehab { 22650c0d06caSMauro Carvalho Chehab u8 val; 22660c0d06caSMauro Carvalho Chehab int ret; 22670c0d06caSMauro Carvalho Chehab unsigned int maxw; 2268abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 226995d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2270b64f8e9aSMauro Carvalho Chehab 2271822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2272822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2273822b8deaSMauro Carvalho Chehab return 0; 2274822b8deaSMauro Carvalho Chehab } 2275822b8deaSMauro Carvalho Chehab 227601c28193SMauro Carvalho Chehab if (!dev->has_video) { 2277b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2278b64f8e9aSMauro Carvalho Chehab return 0; 2279b64f8e9aSMauro Carvalho Chehab } 22800c0d06caSMauro Carvalho Chehab 22819634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 22820c0d06caSMauro Carvalho Chehab 228301c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 228401c28193SMauro Carvalho Chehab 228595d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 228695d2608bSFrank Schaefer if (v4l2 == NULL) { 228795d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 228895d2608bSFrank Schaefer mutex_unlock(&dev->lock); 228995d2608bSFrank Schaefer return -ENOMEM; 229095d2608bSFrank Schaefer } 229195d2608bSFrank Schaefer kref_init(&v4l2->ref); 2292abc1308fSFrank Schaefer v4l2->dev = dev; 229395d2608bSFrank Schaefer dev->v4l2 = v4l2; 229495d2608bSFrank Schaefer 229595d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2296b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2297b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2298b64f8e9aSMauro Carvalho Chehab goto err; 2299b64f8e9aSMauro Carvalho Chehab } 2300b64f8e9aSMauro Carvalho Chehab 2301abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2302b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 230395d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2304b64f8e9aSMauro Carvalho Chehab 230558159171SFrank Schaefer if (dev->board.is_webcam) 23067e6c8c19SMauro Carvalho Chehab v4l2->progressive = true; 230758159171SFrank Schaefer 2308b64f8e9aSMauro Carvalho Chehab /* 2309b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2310b64f8e9aSMauro Carvalho Chehab */ 23119297285eSFrank Schaefer v4l2->vinmode = 0x10; 23129297285eSFrank Schaefer v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | 2313b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2314b64f8e9aSMauro Carvalho Chehab 2315b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2316b64f8e9aSMauro Carvalho Chehab 2317b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 231895d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 231995d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2320b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2321b64f8e9aSMauro Carvalho Chehab 2322b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 232395d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232495d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2325b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2326b64f8e9aSMauro Carvalho Chehab 2327b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 232895d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 232995d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2330b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2331b64f8e9aSMauro Carvalho Chehab 2332b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 233395d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233495d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2335b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2336b64f8e9aSMauro Carvalho Chehab 2337b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2338b64f8e9aSMauro Carvalho Chehab 2339b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 23403319e6f8SFrank Schaefer unsigned short tuner_addr = dev->board.tuner_addr; 23416867bd5aSFrank Schaefer int has_demod = (dev->board.tda9887_conf & TDA9887_PRESENT); 2342b64f8e9aSMauro Carvalho Chehab 2343b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 234495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234595d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2346fdf1bc9fSMauro Carvalho Chehab "tuner", dev->board.radio_addr, 2347fdf1bc9fSMauro Carvalho Chehab NULL); 2348b64f8e9aSMauro Carvalho Chehab 2349b64f8e9aSMauro Carvalho Chehab if (has_demod) 235095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2351fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2352fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2353fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 23543319e6f8SFrank Schaefer if (tuner_addr == 0) { 2355b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2356b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2357b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2358b64f8e9aSMauro Carvalho Chehab 235995d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2360fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2361fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2362fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(type)); 2363b64f8e9aSMauro Carvalho Chehab 2364b64f8e9aSMauro Carvalho Chehab if (sd) 23653319e6f8SFrank Schaefer tuner_addr = v4l2_i2c_subdev_addr(sd); 2366b64f8e9aSMauro Carvalho Chehab } else { 236795d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 236895d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 23693319e6f8SFrank Schaefer "tuner", tuner_addr, NULL); 2370b64f8e9aSMauro Carvalho Chehab } 2371b64f8e9aSMauro Carvalho Chehab 23723319e6f8SFrank Schaefer em28xx_tuner_setup(dev, tuner_addr); 23733319e6f8SFrank Schaefer } 23743319e6f8SFrank Schaefer 2375d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2376b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2377b64f8e9aSMauro Carvalho Chehab 2378b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2379b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2380b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2381b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2382b64f8e9aSMauro Carvalho Chehab __func__, ret); 2383b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2384b64f8e9aSMauro Carvalho Chehab } 2385b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2386b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2387b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2388b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2389b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2390b64f8e9aSMauro Carvalho Chehab } else { 2391b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2392b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2393b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2394b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2395b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2396b64f8e9aSMauro Carvalho Chehab } 2397b64f8e9aSMauro Carvalho Chehab 2398b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2399b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2400b64f8e9aSMauro Carvalho Chehab 2401b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2402b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2403b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2404b64f8e9aSMauro Carvalho Chehab 2405b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2406b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2407b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2408b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2409b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2410b64f8e9aSMauro Carvalho Chehab __func__, ret); 2411b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2412b64f8e9aSMauro Carvalho Chehab } 2413b64f8e9aSMauro Carvalho Chehab msleep(3); 2414b64f8e9aSMauro Carvalho Chehab 2415b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2416b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2417b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2418b64f8e9aSMauro Carvalho Chehab __func__, ret); 2419b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2420b64f8e9aSMauro Carvalho Chehab } 2421b64f8e9aSMauro Carvalho Chehab msleep(3); 2422b64f8e9aSMauro Carvalho Chehab } 2423b64f8e9aSMauro Carvalho Chehab 24240c0d06caSMauro Carvalho Chehab /* set default norm */ 242552faaf78SFrank Schaefer v4l2->norm = V4L2_STD_PAL; 24268774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 242758159171SFrank Schaefer v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; 24280c0d06caSMauro Carvalho Chehab 24290c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 243006e20672SFrank Schaefer v4l2->format = &format[0]; 24310c0d06caSMauro Carvalho Chehab 24320c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24330c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24340c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24350c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24360c0d06caSMauro Carvalho Chehab maxw /= 2; 24370c0d06caSMauro Carvalho Chehab 24380c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24390c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24400c0d06caSMauro Carvalho Chehab 24410c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24420c0d06caSMauro Carvalho Chehab 24430c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24440c0d06caSMauro Carvalho Chehab dev->mute = 1; 24450c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24460c0d06caSMauro Carvalho Chehab 24470c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24480c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24490c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24500c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24510c0d06caSMauro Carvalho Chehab 24520c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24530c0d06caSMauro Carvalho Chehab 24548f8b113aSFrank Schaefer /* Add image controls */ 24558f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24568f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2457ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2458ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24598f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24608f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2461ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2462ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24638f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24648f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2465ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2466ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24678f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24688f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2469ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2470ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24718f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24728f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2473ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2474ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24758f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24768f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2477ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2478ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24798f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24808f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24818f8b113aSFrank Schaefer 24828f8b113aSFrank Schaefer /* Reset image controls */ 24838f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2484ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2485ad298055SFrank Schaefer ret = hdl->error; 2486b64f8e9aSMauro Carvalho Chehab if (ret) 2487b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24888f8b113aSFrank Schaefer 24890c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2490d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vdev, &em28xx_video_template, "video"); 249127a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 249227a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 2493d4352f36SHans Verkuil v4l2->vdev.queue = &v4l2->vb_vidq; 2494d4352f36SHans Verkuil v4l2->vdev.queue->lock = &v4l2->vb_queue_lock; 24950c0d06caSMauro Carvalho Chehab 24966e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 24976e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2498d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD); 2499d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD); 2500d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD); 25013bc85cceSFrank Schaefer } else { 2502d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_PARM); 25036e46dabaSFrank Schaefer } 250466df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2505d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_TUNER); 2506d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_TUNER); 2507d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_FREQUENCY); 2508d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_FREQUENCY); 250966df67b7SFrank Schaefer } 2510920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2511d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_AUDIO); 2512d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_AUDIO); 2513c2dcef83SFrank Schaefer } 25146e46dabaSFrank Schaefer 25150c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2516d4352f36SHans Verkuil ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER, 25170c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25180c0d06caSMauro Carvalho Chehab if (ret) { 25190c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25200c0d06caSMauro Carvalho Chehab ret); 2521b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25220c0d06caSMauro Carvalho Chehab } 25230c0d06caSMauro Carvalho Chehab 25240c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25250c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2526d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vbi_dev, &em28xx_video_template, 25270c0d06caSMauro Carvalho Chehab "vbi"); 25280c0d06caSMauro Carvalho Chehab 2529d4352f36SHans Verkuil v4l2->vbi_dev.queue = &v4l2->vb_vbiq; 2530d4352f36SHans Verkuil v4l2->vbi_dev.queue->lock = &v4l2->vb_vbi_queue_lock; 2531d3829fadSDevin Heitmueller 253266df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2533d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_PARM); 253466df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2535d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_TUNER); 2536d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_TUNER); 2537d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2538d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 253966df67b7SFrank Schaefer } 2540920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2541d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_AUDIO); 2542d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_AUDIO); 2543c2dcef83SFrank Schaefer } 254466df67b7SFrank Schaefer 25450c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2546d4352f36SHans Verkuil ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI, 25470c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25480c0d06caSMauro Carvalho Chehab if (ret < 0) { 25490c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2550b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25510c0d06caSMauro Carvalho Chehab } 25520c0d06caSMauro Carvalho Chehab } 25530c0d06caSMauro Carvalho Chehab 25540c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2555d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->radio_dev, &em28xx_radio_template, 25560c0d06caSMauro Carvalho Chehab "radio"); 2557d4352f36SHans Verkuil ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO, 25580c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25590c0d06caSMauro Carvalho Chehab if (ret < 0) { 25600c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2561b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25620c0d06caSMauro Carvalho Chehab } 25630c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 2564d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 25650c0d06caSMauro Carvalho Chehab } 25660c0d06caSMauro Carvalho Chehab 25670c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 2568d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 25690c0d06caSMauro Carvalho Chehab 2570d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 25710c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 2572d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 25730c0d06caSMauro Carvalho Chehab 2574b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 257595d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2576b64f8e9aSMauro Carvalho Chehab 2577b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2578b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2579b64f8e9aSMauro Carvalho Chehab 25809634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 25819634614fSMauro Carvalho Chehab 258247677e51SMauro Carvalho Chehab kref_get(&dev->ref); 258347677e51SMauro Carvalho Chehab 258401c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 25850c0d06caSMauro Carvalho Chehab return 0; 2586b64f8e9aSMauro Carvalho Chehab 2587b64f8e9aSMauro Carvalho Chehab unregister_dev: 2588abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 258995d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2590b64f8e9aSMauro Carvalho Chehab err: 259195d2608bSFrank Schaefer dev->v4l2 = NULL; 259295d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 259301c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2594b64f8e9aSMauro Carvalho Chehab return ret; 25950c0d06caSMauro Carvalho Chehab } 259601c28193SMauro Carvalho Chehab 259701c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 259801c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 259901c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 260001c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 260101c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2602a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2603a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 260401c28193SMauro Carvalho Chehab }; 260501c28193SMauro Carvalho Chehab 260601c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 260701c28193SMauro Carvalho Chehab { 260801c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 260901c28193SMauro Carvalho Chehab } 261001c28193SMauro Carvalho Chehab 261101c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 261201c28193SMauro Carvalho Chehab { 261301c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 261401c28193SMauro Carvalho Chehab } 261501c28193SMauro Carvalho Chehab 261601c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 261701c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2618