10c0d06caSMauro Carvalho Chehab /* 20c0d06caSMauro Carvalho Chehab em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB 30c0d06caSMauro Carvalho Chehab video capture devices 40c0d06caSMauro Carvalho Chehab 50c0d06caSMauro Carvalho Chehab Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> 60c0d06caSMauro Carvalho Chehab Markus Rechberger <mrechberger@gmail.com> 70c0d06caSMauro Carvalho Chehab Mauro Carvalho Chehab <mchehab@infradead.org> 80c0d06caSMauro Carvalho Chehab Sascha Sommer <saschasommer@freenet.de> 90fa4a402SFrank Schaefer Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 100c0d06caSMauro Carvalho Chehab 110c0d06caSMauro Carvalho Chehab Some parts based on SN9C10x PC Camera Controllers GPL driver made 120c0d06caSMauro Carvalho Chehab by Luca Risolia <luca.risolia@studio.unibo.it> 130c0d06caSMauro Carvalho Chehab 140c0d06caSMauro Carvalho Chehab This program is free software; you can redistribute it and/or modify 150c0d06caSMauro Carvalho Chehab it under the terms of the GNU General Public License as published by 160c0d06caSMauro Carvalho Chehab the Free Software Foundation; either version 2 of the License, or 170c0d06caSMauro Carvalho Chehab (at your option) any later version. 180c0d06caSMauro Carvalho Chehab 190c0d06caSMauro Carvalho Chehab This program is distributed in the hope that it will be useful, 200c0d06caSMauro Carvalho Chehab but WITHOUT ANY WARRANTY; without even the implied warranty of 210c0d06caSMauro Carvalho Chehab MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 220c0d06caSMauro Carvalho Chehab GNU General Public License for more details. 230c0d06caSMauro Carvalho Chehab 240c0d06caSMauro Carvalho Chehab You should have received a copy of the GNU General Public License 250c0d06caSMauro Carvalho Chehab along with this program; if not, write to the Free Software 260c0d06caSMauro Carvalho Chehab Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 270c0d06caSMauro Carvalho Chehab */ 280c0d06caSMauro Carvalho Chehab 290c0d06caSMauro Carvalho Chehab #include <linux/init.h> 300c0d06caSMauro Carvalho Chehab #include <linux/list.h> 310c0d06caSMauro Carvalho Chehab #include <linux/module.h> 320c0d06caSMauro Carvalho Chehab #include <linux/kernel.h> 330c0d06caSMauro Carvalho Chehab #include <linux/bitmap.h> 340c0d06caSMauro Carvalho Chehab #include <linux/usb.h> 350c0d06caSMauro Carvalho Chehab #include <linux/i2c.h> 360c0d06caSMauro Carvalho Chehab #include <linux/mm.h> 370c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 380c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 390c0d06caSMauro Carvalho Chehab 400c0d06caSMauro Carvalho Chehab #include "em28xx.h" 4101c28193SMauro Carvalho Chehab #include "em28xx-v4l.h" 420c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 430c0d06caSMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 4450fdf40fSHans Verkuil #include <media/v4l2-event.h> 4525dd1652SFrank Schaefer #include <media/v4l2-clk.h> 460c0d06caSMauro Carvalho Chehab #include <media/msp3400.h> 470c0d06caSMauro Carvalho Chehab #include <media/tuner.h> 480c0d06caSMauro Carvalho Chehab 490c0d06caSMauro Carvalho Chehab #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ 500c0d06caSMauro Carvalho Chehab "Markus Rechberger <mrechberger@gmail.com>, " \ 510c0d06caSMauro Carvalho Chehab "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ 520c0d06caSMauro Carvalho Chehab "Sascha Sommer <saschasommer@freenet.de>" 530c0d06caSMauro Carvalho Chehab 540560f337SMauro Carvalho Chehab static unsigned int isoc_debug; 550560f337SMauro Carvalho Chehab module_param(isoc_debug, int, 0644); 560560f337SMauro Carvalho Chehab MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 570560f337SMauro Carvalho Chehab 580560f337SMauro Carvalho Chehab static unsigned int disable_vbi; 590560f337SMauro Carvalho Chehab module_param(disable_vbi, int, 0644); 600560f337SMauro Carvalho Chehab MODULE_PARM_DESC(disable_vbi, "disable vbi support"); 610560f337SMauro Carvalho Chehab 620560f337SMauro Carvalho Chehab static int alt; 630560f337SMauro Carvalho Chehab module_param(alt, int, 0644); 640560f337SMauro Carvalho Chehab MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); 650560f337SMauro Carvalho Chehab 660c0d06caSMauro Carvalho Chehab #define em28xx_videodbg(fmt, arg...) do {\ 670c0d06caSMauro Carvalho Chehab if (video_debug) \ 680c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 690c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); } while (0) 700c0d06caSMauro Carvalho Chehab 710c0d06caSMauro Carvalho Chehab #define em28xx_isocdbg(fmt, arg...) \ 720c0d06caSMauro Carvalho Chehab do {\ 730c0d06caSMauro Carvalho Chehab if (isoc_debug) { \ 740c0d06caSMauro Carvalho Chehab printk(KERN_INFO "%s %s :"fmt, \ 750c0d06caSMauro Carvalho Chehab dev->name, __func__ , ##arg); \ 760c0d06caSMauro Carvalho Chehab } \ 770c0d06caSMauro Carvalho Chehab } while (0) 780c0d06caSMauro Carvalho Chehab 790c0d06caSMauro Carvalho Chehab MODULE_AUTHOR(DRIVER_AUTHOR); 80d8992b09SMauro Carvalho Chehab MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface"); 810c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 820c0d06caSMauro Carvalho Chehab MODULE_VERSION(EM28XX_VERSION); 830c0d06caSMauro Carvalho Chehab 84e507e0e5SFrank Schaefer 85e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE1 0x02 86e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE 0x20 87e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_END 0x02 88e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_ID 0x01 89e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_MASK (EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE | \ 90e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END | \ 91e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID) 92e507e0e5SFrank Schaefer 93e507e0e5SFrank Schaefer 94d3829fadSDevin Heitmueller static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 95d3829fadSDevin Heitmueller static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 96d3829fadSDevin Heitmueller static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 970c0d06caSMauro Carvalho Chehab 980c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 990c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 1000c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 1010c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 1020c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 1030c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 1040c0d06caSMauro Carvalho Chehab 1050c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 1060c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 1070c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 1080c0d06caSMauro Carvalho Chehab 1090c0d06caSMauro Carvalho Chehab /* supported video standards */ 1100c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 1110c0d06caSMauro Carvalho Chehab { 1120c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 1130c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 1140c0d06caSMauro Carvalho Chehab .depth = 16, 1150c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 1160c0d06caSMauro Carvalho Chehab }, { 1170c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1180c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1190c0d06caSMauro Carvalho Chehab .depth = 16, 1200c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1210c0d06caSMauro Carvalho Chehab }, { 1220c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1230c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1240c0d06caSMauro Carvalho Chehab .depth = 8, 1250c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1260c0d06caSMauro Carvalho Chehab }, { 1270c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1280c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1290c0d06caSMauro Carvalho Chehab .depth = 8, 1300c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1310c0d06caSMauro Carvalho Chehab }, { 1320c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1330c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1340c0d06caSMauro Carvalho Chehab .depth = 8, 1350c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1360c0d06caSMauro Carvalho Chehab }, { 1370c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1380c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1390c0d06caSMauro Carvalho Chehab .depth = 12, 1400c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1410c0d06caSMauro Carvalho Chehab }, 1420c0d06caSMauro Carvalho Chehab }; 1430c0d06caSMauro Carvalho Chehab 14425c61e4cSFrank Schaefer /*FIXME: maxw should be dependent of alt mode */ 14525c61e4cSFrank Schaefer static inline unsigned int norm_maxw(struct em28xx *dev) 14625c61e4cSFrank Schaefer { 147d7dc18daSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 148d7dc18daSFrank Schaefer 14925c61e4cSFrank Schaefer if (dev->board.is_webcam) 150d7dc18daSFrank Schaefer return v4l2->sensor_xres; 15125c61e4cSFrank Schaefer 15225c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 15325c61e4cSFrank Schaefer return 640; 15425c61e4cSFrank Schaefer 15525c61e4cSFrank Schaefer return 720; 15625c61e4cSFrank Schaefer } 15725c61e4cSFrank Schaefer 15825c61e4cSFrank Schaefer static inline unsigned int norm_maxh(struct em28xx *dev) 15925c61e4cSFrank Schaefer { 16052faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16152faaf78SFrank Schaefer 16225c61e4cSFrank Schaefer if (dev->board.is_webcam) 163d7dc18daSFrank Schaefer return v4l2->sensor_yres; 16425c61e4cSFrank Schaefer 16525c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 16625c61e4cSFrank Schaefer return 480; 16725c61e4cSFrank Schaefer 16852faaf78SFrank Schaefer return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480; 16925c61e4cSFrank Schaefer } 17025c61e4cSFrank Schaefer 17101c28193SMauro Carvalho Chehab static int em28xx_vbi_supported(struct em28xx *dev) 1720560f337SMauro Carvalho Chehab { 1730560f337SMauro Carvalho Chehab /* Modprobe option to manually disable */ 1740560f337SMauro Carvalho Chehab if (disable_vbi == 1) 1750560f337SMauro Carvalho Chehab return 0; 1760560f337SMauro Carvalho Chehab 1770560f337SMauro Carvalho Chehab if (dev->board.is_webcam) 1780560f337SMauro Carvalho Chehab return 0; 1790560f337SMauro Carvalho Chehab 1800560f337SMauro Carvalho Chehab /* FIXME: check subdevices for VBI support */ 1810560f337SMauro Carvalho Chehab 1820560f337SMauro Carvalho Chehab if (dev->chip_id == CHIP_ID_EM2860 || 1830560f337SMauro Carvalho Chehab dev->chip_id == CHIP_ID_EM2883) 1840560f337SMauro Carvalho Chehab return 1; 1850560f337SMauro Carvalho Chehab 1860560f337SMauro Carvalho Chehab /* Version of em28xx that does not support VBI */ 1870560f337SMauro Carvalho Chehab return 0; 1880560f337SMauro Carvalho Chehab } 1890560f337SMauro Carvalho Chehab 1900560f337SMauro Carvalho Chehab /* 1910560f337SMauro Carvalho Chehab * em28xx_wake_i2c() 1920560f337SMauro Carvalho Chehab * configure i2c attached devices 1930560f337SMauro Carvalho Chehab */ 19401c28193SMauro Carvalho Chehab static void em28xx_wake_i2c(struct em28xx *dev) 1950560f337SMauro Carvalho Chehab { 19695d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 19795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, core, reset, 0); 19895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 1990560f337SMauro Carvalho Chehab INPUT(dev->ctl_input)->vmux, 0, 0); 20095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_stream, 0); 2010560f337SMauro Carvalho Chehab } 2020560f337SMauro Carvalho Chehab 20301c28193SMauro Carvalho Chehab static int em28xx_colorlevels_set_default(struct em28xx *dev) 2040560f337SMauro Carvalho Chehab { 2050560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); 2060560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); 2070560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); 2080560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); 2090560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); 2100560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); 2110560f337SMauro Carvalho Chehab 2120560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); 2130560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); 2140560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); 2150560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); 2160560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); 2170560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); 2180560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); 2190560f337SMauro Carvalho Chehab } 2200560f337SMauro Carvalho Chehab 22101c28193SMauro Carvalho Chehab static int em28xx_set_outfmt(struct em28xx *dev) 2220560f337SMauro Carvalho Chehab { 2230560f337SMauro Carvalho Chehab int ret; 2240560f337SMauro Carvalho Chehab u8 fmt, vinctrl; 225753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 2260560f337SMauro Carvalho Chehab 22706e20672SFrank Schaefer fmt = v4l2->format->reg; 2280560f337SMauro Carvalho Chehab if (!dev->is_em25xx) 2290560f337SMauro Carvalho Chehab fmt |= 0x20; 2300560f337SMauro Carvalho Chehab /* 2310560f337SMauro Carvalho Chehab * NOTE: it's not clear if this is really needed ! 2320560f337SMauro Carvalho Chehab * The datasheets say bit 5 is a reserved bit and devices seem to work 2330560f337SMauro Carvalho Chehab * fine without it. But the Windows driver sets it for em2710/50+em28xx 2340560f337SMauro Carvalho Chehab * devices and we've always been setting it, too. 2350560f337SMauro Carvalho Chehab * 2360560f337SMauro Carvalho Chehab * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, 2370560f337SMauro Carvalho Chehab * it's likely used for an additional (compressed ?) format there. 2380560f337SMauro Carvalho Chehab */ 2390560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); 2400560f337SMauro Carvalho Chehab if (ret < 0) 2410560f337SMauro Carvalho Chehab return ret; 2420560f337SMauro Carvalho Chehab 2439297285eSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); 2440560f337SMauro Carvalho Chehab if (ret < 0) 2450560f337SMauro Carvalho Chehab return ret; 2460560f337SMauro Carvalho Chehab 2479297285eSFrank Schaefer vinctrl = v4l2->vinctl; 2480560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2490560f337SMauro Carvalho Chehab vinctrl |= EM28XX_VINCTRL_VBI_RAW; 2500560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); 251753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, v4l2->vbi_width/4); 252753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height); 25352faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 2540560f337SMauro Carvalho Chehab /* NTSC */ 2550560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); 25652faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 2570560f337SMauro Carvalho Chehab /* PAL */ 2580560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); 2590560f337SMauro Carvalho Chehab } 2600560f337SMauro Carvalho Chehab } 2610560f337SMauro Carvalho Chehab 2620560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); 2630560f337SMauro Carvalho Chehab } 2640560f337SMauro Carvalho Chehab 2650560f337SMauro Carvalho Chehab static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, 2660560f337SMauro Carvalho Chehab u8 ymin, u8 ymax) 2670560f337SMauro Carvalho Chehab { 2680560f337SMauro Carvalho Chehab em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", 2690560f337SMauro Carvalho Chehab xmin, ymin, xmax, ymax); 2700560f337SMauro Carvalho Chehab 2710560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); 2720560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); 2730560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); 2740560f337SMauro Carvalho Chehab return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); 2750560f337SMauro Carvalho Chehab } 2760560f337SMauro Carvalho Chehab 2770560f337SMauro Carvalho Chehab static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, 2780560f337SMauro Carvalho Chehab u16 width, u16 height) 2790560f337SMauro Carvalho Chehab { 2800560f337SMauro Carvalho Chehab u8 cwidth = width >> 2; 2810560f337SMauro Carvalho Chehab u8 cheight = height >> 2; 2820560f337SMauro Carvalho Chehab u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); 2830560f337SMauro Carvalho Chehab /* NOTE: size limit: 2047x1023 = 2MPix */ 2840560f337SMauro Carvalho Chehab 2850560f337SMauro Carvalho Chehab em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", 2860560f337SMauro Carvalho Chehab hstart, vstart, 2870560f337SMauro Carvalho Chehab ((overflow & 2) << 9 | cwidth << 2), 2880560f337SMauro Carvalho Chehab ((overflow & 1) << 10 | cheight << 2)); 2890560f337SMauro Carvalho Chehab 2900560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); 2910560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); 2920560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); 2930560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); 2940560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); 2950560f337SMauro Carvalho Chehab 2960560f337SMauro Carvalho Chehab /* FIXME: function/meaning of these registers ? */ 2970560f337SMauro Carvalho Chehab /* FIXME: align width+height to multiples of 4 ?! */ 2980560f337SMauro Carvalho Chehab if (dev->is_em25xx) { 2990560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x34, width >> 4); 3000560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x35, height >> 4); 3010560f337SMauro Carvalho Chehab } 3020560f337SMauro Carvalho Chehab } 3030560f337SMauro Carvalho Chehab 3040560f337SMauro Carvalho Chehab static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) 3050560f337SMauro Carvalho Chehab { 306cba8e9b3SFrank Schaefer u8 mode = 0x00; 3070560f337SMauro Carvalho Chehab /* the em2800 scaler only supports scaling down to 50% */ 3080560f337SMauro Carvalho Chehab 3090560f337SMauro Carvalho Chehab if (dev->board.is_em2800) { 3100560f337SMauro Carvalho Chehab mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); 3110560f337SMauro Carvalho Chehab } else { 3120560f337SMauro Carvalho Chehab u8 buf[2]; 3130560f337SMauro Carvalho Chehab 3140560f337SMauro Carvalho Chehab buf[0] = h; 3150560f337SMauro Carvalho Chehab buf[1] = h >> 8; 3160560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); 3170560f337SMauro Carvalho Chehab 3180560f337SMauro Carvalho Chehab buf[0] = v; 3190560f337SMauro Carvalho Chehab buf[1] = v >> 8; 3200560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); 3210560f337SMauro Carvalho Chehab /* it seems that both H and V scalers must be active 3220560f337SMauro Carvalho Chehab to work correctly */ 3230560f337SMauro Carvalho Chehab mode = (h || v) ? 0x30 : 0x00; 3240560f337SMauro Carvalho Chehab } 325cba8e9b3SFrank Schaefer return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); 3260560f337SMauro Carvalho Chehab } 3270560f337SMauro Carvalho Chehab 3280560f337SMauro Carvalho Chehab /* FIXME: this only function read values from dev */ 32901c28193SMauro Carvalho Chehab static int em28xx_resolution_set(struct em28xx *dev) 3300560f337SMauro Carvalho Chehab { 331753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 332753aee77SFrank Schaefer int width = norm_maxw(dev); 333753aee77SFrank Schaefer int height = norm_maxh(dev); 3340560f337SMauro Carvalho Chehab 3350560f337SMauro Carvalho Chehab /* Properly setup VBI */ 336753aee77SFrank Schaefer v4l2->vbi_width = 720; 33752faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) 338753aee77SFrank Schaefer v4l2->vbi_height = 12; 3390560f337SMauro Carvalho Chehab else 340753aee77SFrank Schaefer v4l2->vbi_height = 18; 3410560f337SMauro Carvalho Chehab 3420560f337SMauro Carvalho Chehab em28xx_set_outfmt(dev); 3430560f337SMauro Carvalho Chehab 3440560f337SMauro Carvalho Chehab em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); 3450560f337SMauro Carvalho Chehab 3460560f337SMauro Carvalho Chehab /* If we don't set the start position to 2 in VBI mode, we end up 3470560f337SMauro Carvalho Chehab with line 20/21 being YUYV encoded instead of being in 8-bit 3480560f337SMauro Carvalho Chehab greyscale. The core of the issue is that line 21 (and line 23 for 3490560f337SMauro Carvalho Chehab PAL WSS) are inside of active video region, and as a result they 3500560f337SMauro Carvalho Chehab get the pixelformatting associated with that area. So by cropping 3510560f337SMauro Carvalho Chehab it out, we end up with the same format as the rest of the VBI 3520560f337SMauro Carvalho Chehab region */ 3530560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 3540560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 2, width, height); 3550560f337SMauro Carvalho Chehab else 3560560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 0, width, height); 3570560f337SMauro Carvalho Chehab 358753aee77SFrank Schaefer return em28xx_scaler_set(dev, v4l2->hscale, v4l2->vscale); 3590560f337SMauro Carvalho Chehab } 3600560f337SMauro Carvalho Chehab 3610560f337SMauro Carvalho Chehab /* Set USB alternate setting for analog video */ 36201c28193SMauro Carvalho Chehab static int em28xx_set_alternate(struct em28xx *dev) 3630560f337SMauro Carvalho Chehab { 364753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 3650560f337SMauro Carvalho Chehab int errCode; 3660560f337SMauro Carvalho Chehab int i; 367753aee77SFrank Schaefer unsigned int min_pkt_size = v4l2->width * 2 + 4; 3680560f337SMauro Carvalho Chehab 3690560f337SMauro Carvalho Chehab /* NOTE: for isoc transfers, only alt settings > 0 are allowed 3700560f337SMauro Carvalho Chehab bulk transfers seem to work only with alt=0 ! */ 3710560f337SMauro Carvalho Chehab dev->alt = 0; 3720560f337SMauro Carvalho Chehab if ((alt > 0) && (alt < dev->num_alt)) { 3730560f337SMauro Carvalho Chehab em28xx_videodbg("alternate forced to %d\n", dev->alt); 3740560f337SMauro Carvalho Chehab dev->alt = alt; 3750560f337SMauro Carvalho Chehab goto set_alt; 3760560f337SMauro Carvalho Chehab } 3770560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) 3780560f337SMauro Carvalho Chehab goto set_alt; 3790560f337SMauro Carvalho Chehab 3800560f337SMauro Carvalho Chehab /* When image size is bigger than a certain value, 3810560f337SMauro Carvalho Chehab the frame size should be increased, otherwise, only 3820560f337SMauro Carvalho Chehab green screen will be received. 3830560f337SMauro Carvalho Chehab */ 384753aee77SFrank Schaefer if (v4l2->width * 2 * v4l2->height > 720 * 240 * 2) 3850560f337SMauro Carvalho Chehab min_pkt_size *= 2; 3860560f337SMauro Carvalho Chehab 3870560f337SMauro Carvalho Chehab for (i = 0; i < dev->num_alt; i++) { 3880560f337SMauro Carvalho Chehab /* stop when the selected alt setting offers enough bandwidth */ 3890560f337SMauro Carvalho Chehab if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { 3900560f337SMauro Carvalho Chehab dev->alt = i; 3910560f337SMauro Carvalho Chehab break; 3920560f337SMauro Carvalho Chehab /* otherwise make sure that we end up with the maximum bandwidth 3930560f337SMauro Carvalho Chehab because the min_pkt_size equation might be wrong... 3940560f337SMauro Carvalho Chehab */ 3950560f337SMauro Carvalho Chehab } else if (dev->alt_max_pkt_size_isoc[i] > 3960560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]) 3970560f337SMauro Carvalho Chehab dev->alt = i; 3980560f337SMauro Carvalho Chehab } 3990560f337SMauro Carvalho Chehab 4000560f337SMauro Carvalho Chehab set_alt: 4010560f337SMauro Carvalho Chehab /* NOTE: for bulk transfers, we need to call usb_set_interface() 4020560f337SMauro Carvalho Chehab * even if the previous settings were the same. Otherwise streaming 4030560f337SMauro Carvalho Chehab * fails with all urbs having status = -EOVERFLOW ! */ 4040560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) { 4050560f337SMauro Carvalho Chehab dev->max_pkt_size = 512; /* USB 2.0 spec */ 4060560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; 4070560f337SMauro Carvalho Chehab } else { /* isoc */ 4080560f337SMauro Carvalho Chehab em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", 4090560f337SMauro Carvalho Chehab min_pkt_size, dev->alt); 4100560f337SMauro Carvalho Chehab dev->max_pkt_size = 4110560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]; 4120560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; 4130560f337SMauro Carvalho Chehab } 4140560f337SMauro Carvalho Chehab em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", 4150560f337SMauro Carvalho Chehab dev->alt, dev->max_pkt_size); 416961717b4SFrank Schaefer errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt); 4170560f337SMauro Carvalho Chehab if (errCode < 0) { 4180560f337SMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to %d (error=%i)\n", 4190560f337SMauro Carvalho Chehab dev->alt, errCode); 4200560f337SMauro Carvalho Chehab return errCode; 4210560f337SMauro Carvalho Chehab } 4220560f337SMauro Carvalho Chehab return 0; 4230560f337SMauro Carvalho Chehab } 4240560f337SMauro Carvalho Chehab 4250c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 4260c0d06caSMauro Carvalho Chehab DMA and thread functions 4270c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 4280c0d06caSMauro Carvalho Chehab 4290c0d06caSMauro Carvalho Chehab /* 430948a49aaSFrank Schaefer * Finish the current buffer 4310c0d06caSMauro Carvalho Chehab */ 432948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 4330c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 4340c0d06caSMauro Carvalho Chehab { 435d3829fadSDevin Heitmueller em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); 436d3829fadSDevin Heitmueller 437d3829fadSDevin Heitmueller buf->vb.v4l2_buf.sequence = dev->field_count++; 438d3829fadSDevin Heitmueller buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; 439d3829fadSDevin Heitmueller v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); 440d3829fadSDevin Heitmueller 441d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); 4420c0d06caSMauro Carvalho Chehab } 4430c0d06caSMauro Carvalho Chehab 4440c0d06caSMauro Carvalho Chehab /* 44536016a35SFrank Schaefer * Copy picture data from USB buffer to videobuf buffer 4460c0d06caSMauro Carvalho Chehab */ 4470c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 4480c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 44936016a35SFrank Schaefer unsigned char *usb_buf, 4504078d625SFrank Schaefer unsigned long len) 4510c0d06caSMauro Carvalho Chehab { 45258159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 4530c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 4540c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 45558159171SFrank Schaefer int bytesperline = v4l2->width << 1; 4560c0d06caSMauro Carvalho Chehab 457d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 458d3829fadSDevin Heitmueller len = buf->length - buf->pos; 4590c0d06caSMauro Carvalho Chehab 46036016a35SFrank Schaefer startread = usb_buf; 4610c0d06caSMauro Carvalho Chehab remain = len; 4620c0d06caSMauro Carvalho Chehab 46358159171SFrank Schaefer if (v4l2->progressive || buf->top_field) 46436016a35SFrank Schaefer fieldstart = buf->vb_buf; 465c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 46636016a35SFrank Schaefer fieldstart = buf->vb_buf + bytesperline; 4670c0d06caSMauro Carvalho Chehab 4688732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 4698732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 4700c0d06caSMauro Carvalho Chehab 47158159171SFrank Schaefer if (v4l2->progressive) 4720c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 4730c0d06caSMauro Carvalho Chehab else 4740c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 4750c0d06caSMauro Carvalho Chehab 4760c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 4770c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 4780c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 4790c0d06caSMauro Carvalho Chehab 480d3829fadSDevin Heitmueller if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { 4810c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", 4820c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 483d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 484d3829fadSDevin Heitmueller remain = (char *)buf->vb_buf + buf->length - 48536016a35SFrank Schaefer (char *)startwrite; 4860c0d06caSMauro Carvalho Chehab lencopy = remain; 4870c0d06caSMauro Carvalho Chehab } 4880c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 4890c0d06caSMauro Carvalho Chehab return; 4900c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 4910c0d06caSMauro Carvalho Chehab 4920c0d06caSMauro Carvalho Chehab remain -= lencopy; 4930c0d06caSMauro Carvalho Chehab 4940c0d06caSMauro Carvalho Chehab while (remain > 0) { 49558159171SFrank Schaefer if (v4l2->progressive) 496c02ec71bSFrank Schaefer startwrite += lencopy; 497c02ec71bSFrank Schaefer else 4980c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 4990c0d06caSMauro Carvalho Chehab startread += lencopy; 5000c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 5010c0d06caSMauro Carvalho Chehab lencopy = remain; 5020c0d06caSMauro Carvalho Chehab else 5030c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 5040c0d06caSMauro Carvalho Chehab 50536016a35SFrank Schaefer if ((char *)startwrite + lencopy > (char *)buf->vb_buf + 506d3829fadSDevin Heitmueller buf->length) { 5070c0d06caSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zi bytes past buffer end" 5080c0d06caSMauro Carvalho Chehab "(2)\n", 5090c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 510d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 511d3829fadSDevin Heitmueller lencopy = remain = (char *)buf->vb_buf + buf->length - 5120c0d06caSMauro Carvalho Chehab (char *)startwrite; 5130c0d06caSMauro Carvalho Chehab } 5140c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 5150c0d06caSMauro Carvalho Chehab break; 5160c0d06caSMauro Carvalho Chehab 5170c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 5180c0d06caSMauro Carvalho Chehab 5190c0d06caSMauro Carvalho Chehab remain -= lencopy; 5200c0d06caSMauro Carvalho Chehab } 5210c0d06caSMauro Carvalho Chehab 5228732533bSFrank Schaefer buf->pos += len; 5230c0d06caSMauro Carvalho Chehab } 5240c0d06caSMauro Carvalho Chehab 52536016a35SFrank Schaefer /* 52636016a35SFrank Schaefer * Copy VBI data from USB buffer to videobuf buffer 52736016a35SFrank Schaefer */ 5280c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 5290c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 53036016a35SFrank Schaefer unsigned char *usb_buf, 5314078d625SFrank Schaefer unsigned long len) 5320c0d06caSMauro Carvalho Chehab { 53336016a35SFrank Schaefer unsigned int offset; 5340c0d06caSMauro Carvalho Chehab 535d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 536d3829fadSDevin Heitmueller len = buf->length - buf->pos; 5370c0d06caSMauro Carvalho Chehab 5388732533bSFrank Schaefer offset = buf->pos; 5390c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 54036016a35SFrank Schaefer if (buf->top_field == 0) 541753aee77SFrank Schaefer offset += dev->v4l2->vbi_width * dev->v4l2->vbi_height; 5420c0d06caSMauro Carvalho Chehab 54336016a35SFrank Schaefer memcpy(buf->vb_buf + offset, usb_buf, len); 5448732533bSFrank Schaefer buf->pos += len; 5450c0d06caSMauro Carvalho Chehab } 5460c0d06caSMauro Carvalho Chehab 5470c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 5480c0d06caSMauro Carvalho Chehab int packet, int status) 5490c0d06caSMauro Carvalho Chehab { 5500c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 5510c0d06caSMauro Carvalho Chehab 5520c0d06caSMauro Carvalho Chehab switch (status) { 5530c0d06caSMauro Carvalho Chehab case -ENOENT: 5540c0d06caSMauro Carvalho Chehab errmsg = "unlinked synchronuously"; 5550c0d06caSMauro Carvalho Chehab break; 5560c0d06caSMauro Carvalho Chehab case -ECONNRESET: 5570c0d06caSMauro Carvalho Chehab errmsg = "unlinked asynchronuously"; 5580c0d06caSMauro Carvalho Chehab break; 5590c0d06caSMauro Carvalho Chehab case -ENOSR: 5600c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 5610c0d06caSMauro Carvalho Chehab break; 5620c0d06caSMauro Carvalho Chehab case -EPIPE: 5630c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 5640c0d06caSMauro Carvalho Chehab break; 5650c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 5660c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 5670c0d06caSMauro Carvalho Chehab break; 5680c0d06caSMauro Carvalho Chehab case -EPROTO: 5690c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 5700c0d06caSMauro Carvalho Chehab break; 5710c0d06caSMauro Carvalho Chehab case -EILSEQ: 5720c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 5730c0d06caSMauro Carvalho Chehab break; 5740c0d06caSMauro Carvalho Chehab case -ETIME: 5750c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 5760c0d06caSMauro Carvalho Chehab break; 5770c0d06caSMauro Carvalho Chehab } 5780c0d06caSMauro Carvalho Chehab if (packet < 0) { 5790c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 5800c0d06caSMauro Carvalho Chehab } else { 5810c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 5820c0d06caSMauro Carvalho Chehab packet, status, errmsg); 5830c0d06caSMauro Carvalho Chehab } 5840c0d06caSMauro Carvalho Chehab } 5850c0d06caSMauro Carvalho Chehab 5860c0d06caSMauro Carvalho Chehab /* 58724a6d849SFrank Schaefer * get the next available buffer from dma queue 5880c0d06caSMauro Carvalho Chehab */ 58924a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 59024a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 5910c0d06caSMauro Carvalho Chehab { 59224a6d849SFrank Schaefer struct em28xx_buffer *buf; 5930c0d06caSMauro Carvalho Chehab 5940c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 5950c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 59624a6d849SFrank Schaefer return NULL; 5970c0d06caSMauro Carvalho Chehab } 5980c0d06caSMauro Carvalho Chehab 5990c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 600d3829fadSDevin Heitmueller buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); 6010c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 602d3829fadSDevin Heitmueller list_del(&buf->list); 6038732533bSFrank Schaefer buf->pos = 0; 604d3829fadSDevin Heitmueller buf->vb_buf = buf->mem; 6050c0d06caSMauro Carvalho Chehab 60624a6d849SFrank Schaefer return buf; 6070c0d06caSMauro Carvalho Chehab } 6080c0d06caSMauro Carvalho Chehab 609e04c00d9SFrank Schaefer /* 610e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 611e04c00d9SFrank Schaefer */ 612e04c00d9SFrank Schaefer static struct em28xx_buffer * 613e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 614e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 615e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 616e04c00d9SFrank Schaefer { 61758159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 61858159171SFrank Schaefer 61958159171SFrank Schaefer if (v4l2->progressive || dev->top_field) { /* Brand new frame */ 620e04c00d9SFrank Schaefer if (buf != NULL) 621e04c00d9SFrank Schaefer finish_buffer(dev, buf); 622e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 623e04c00d9SFrank Schaefer } 624e04c00d9SFrank Schaefer if (buf != NULL) { 625e04c00d9SFrank Schaefer buf->top_field = dev->top_field; 626e04c00d9SFrank Schaefer buf->pos = 0; 627e04c00d9SFrank Schaefer } 628e04c00d9SFrank Schaefer 629e04c00d9SFrank Schaefer return buf; 630e04c00d9SFrank Schaefer } 631e04c00d9SFrank Schaefer 632227b7c90SFrank Schaefer /* 633227b7c90SFrank Schaefer * Process data packet according to the em2710/em2750/em28xx frame data format 634227b7c90SFrank Schaefer */ 635227b7c90SFrank Schaefer static inline void process_frame_data_em28xx(struct em28xx *dev, 636227b7c90SFrank Schaefer unsigned char *data_pkt, 637227b7c90SFrank Schaefer unsigned int data_len) 638227b7c90SFrank Schaefer { 639753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 640227b7c90SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 641227b7c90SFrank Schaefer struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; 642227b7c90SFrank Schaefer struct em28xx_dmaqueue *dma_q = &dev->vidq; 643227b7c90SFrank Schaefer struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 644227b7c90SFrank Schaefer 645227b7c90SFrank Schaefer /* capture type 0 = vbi start 646227b7c90SFrank Schaefer capture type 1 = vbi in progress 647227b7c90SFrank Schaefer capture type 2 = video start 648227b7c90SFrank Schaefer capture type 3 = video in progress */ 649227b7c90SFrank Schaefer if (data_len >= 4) { 650227b7c90SFrank Schaefer /* NOTE: Headers are always 4 bytes and 651227b7c90SFrank Schaefer * never split across packets */ 652227b7c90SFrank Schaefer if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && 653227b7c90SFrank Schaefer data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { 654227b7c90SFrank Schaefer /* Continuation */ 655227b7c90SFrank Schaefer data_pkt += 4; 656227b7c90SFrank Schaefer data_len -= 4; 657227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { 658227b7c90SFrank Schaefer /* Field start (VBI mode) */ 659227b7c90SFrank Schaefer dev->capture_type = 0; 660227b7c90SFrank Schaefer dev->vbi_read = 0; 661227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 662227b7c90SFrank Schaefer dev->top_field = !(data_pkt[2] & 1); 663227b7c90SFrank Schaefer data_pkt += 4; 664227b7c90SFrank Schaefer data_len -= 4; 665227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { 666227b7c90SFrank Schaefer /* Field start (VBI disabled) */ 667227b7c90SFrank Schaefer dev->capture_type = 2; 668227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 669227b7c90SFrank Schaefer dev->top_field = !(data_pkt[2] & 1); 670227b7c90SFrank Schaefer data_pkt += 4; 671227b7c90SFrank Schaefer data_len -= 4; 672227b7c90SFrank Schaefer } 673227b7c90SFrank Schaefer } 674227b7c90SFrank Schaefer /* NOTE: With bulk transfers, intermediate data packets 675227b7c90SFrank Schaefer * have no continuation header */ 676227b7c90SFrank Schaefer 677227b7c90SFrank Schaefer if (dev->capture_type == 0) { 678227b7c90SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 679227b7c90SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 680227b7c90SFrank Schaefer dev->capture_type = 1; 681227b7c90SFrank Schaefer } 682227b7c90SFrank Schaefer 683227b7c90SFrank Schaefer if (dev->capture_type == 1) { 684753aee77SFrank Schaefer int vbi_size = v4l2->vbi_width * v4l2->vbi_height; 685227b7c90SFrank Schaefer int vbi_data_len = ((dev->vbi_read + data_len) > vbi_size) ? 686227b7c90SFrank Schaefer (vbi_size - dev->vbi_read) : data_len; 687227b7c90SFrank Schaefer 688227b7c90SFrank Schaefer /* Copy VBI data */ 689227b7c90SFrank Schaefer if (vbi_buf != NULL) 690227b7c90SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); 691227b7c90SFrank Schaefer dev->vbi_read += vbi_data_len; 692227b7c90SFrank Schaefer 693227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 694227b7c90SFrank Schaefer /* Continue with copying video data */ 695227b7c90SFrank Schaefer dev->capture_type = 2; 696227b7c90SFrank Schaefer data_pkt += vbi_data_len; 697227b7c90SFrank Schaefer data_len -= vbi_data_len; 698227b7c90SFrank Schaefer } 699227b7c90SFrank Schaefer } 700227b7c90SFrank Schaefer 701227b7c90SFrank Schaefer if (dev->capture_type == 2) { 702227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 703227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 704227b7c90SFrank Schaefer dev->capture_type = 3; 705227b7c90SFrank Schaefer } 706227b7c90SFrank Schaefer 707227b7c90SFrank Schaefer if (dev->capture_type == 3 && buf != NULL && data_len > 0) 708227b7c90SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 709227b7c90SFrank Schaefer } 710227b7c90SFrank Schaefer 711e507e0e5SFrank Schaefer /* 712e507e0e5SFrank Schaefer * Process data packet according to the em25xx/em276x/7x/8x frame data format 713e507e0e5SFrank Schaefer */ 714e507e0e5SFrank Schaefer static inline void process_frame_data_em25xx(struct em28xx *dev, 715e507e0e5SFrank Schaefer unsigned char *data_pkt, 716e507e0e5SFrank Schaefer unsigned int data_len) 717e507e0e5SFrank Schaefer { 718e507e0e5SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 719e507e0e5SFrank Schaefer struct em28xx_dmaqueue *dmaq = &dev->vidq; 720e507e0e5SFrank Schaefer bool frame_end = 0; 721e507e0e5SFrank Schaefer 722e507e0e5SFrank Schaefer /* Check for header */ 723e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 724e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 725e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 726e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 727e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 728e507e0e5SFrank Schaefer dev->top_field = !(data_pkt[1] & 729e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 730e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 731e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 732e507e0e5SFrank Schaefer data_pkt += 2; 733e507e0e5SFrank Schaefer data_len -= 2; 734e507e0e5SFrank Schaefer } 735e507e0e5SFrank Schaefer 736e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 737e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 738e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 739e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 740e507e0e5SFrank Schaefer } 741e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 742e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 743e507e0e5SFrank Schaefer * first frame. 744e507e0e5SFrank Schaefer */ 745e507e0e5SFrank Schaefer } 746e507e0e5SFrank Schaefer 747e507e0e5SFrank Schaefer /* Copy data */ 748e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 749e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 750e507e0e5SFrank Schaefer 751e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 752e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 753e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 754e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 755e507e0e5SFrank Schaefer } 756e507e0e5SFrank Schaefer 757e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 758e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 759e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 760e507e0e5SFrank Schaefer * header like with the other em28xx devices. 761e507e0e5SFrank Schaefer */ 762e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 763e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 764e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 765e507e0e5SFrank Schaefer } 766e507e0e5SFrank Schaefer 767960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7680fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7690c0d06caSMauro Carvalho Chehab { 770227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 771227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 772227b7c90SFrank Schaefer unsigned int usb_data_len; 7730c0d06caSMauro Carvalho Chehab 7740c0d06caSMauro Carvalho Chehab if (!dev) 7750c0d06caSMauro Carvalho Chehab return 0; 7760c0d06caSMauro Carvalho Chehab 7772665c299SFrank Schaefer if (dev->disconnected) 7780c0d06caSMauro Carvalho Chehab return 0; 7790c0d06caSMauro Carvalho Chehab 7801653cb0cSFrank Schaefer if (urb->status < 0) 7810c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7820c0d06caSMauro Carvalho Chehab 7834601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7844601cc39SFrank Schaefer 7854601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7864601cc39SFrank Schaefer num_packets = 1; 7874601cc39SFrank Schaefer else /* isoc */ 7884601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7890c0d06caSMauro Carvalho Chehab 7904601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7914601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 792227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 7934601cc39SFrank Schaefer 794227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 7954601cc39SFrank Schaefer } else { /* isoc */ 7964601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 7974601cc39SFrank Schaefer print_err_status(dev, i, 7984601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 7990c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 8000c0d06caSMauro Carvalho Chehab continue; 8010c0d06caSMauro Carvalho Chehab } 8020c0d06caSMauro Carvalho Chehab 803227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 804227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 8050c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 8060c0d06caSMauro Carvalho Chehab continue; 8070c0d06caSMauro Carvalho Chehab } 8080c0d06caSMauro Carvalho Chehab 809227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8104601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8114601cc39SFrank Schaefer } 8124601cc39SFrank Schaefer 813227b7c90SFrank Schaefer if (usb_data_len == 0) { 8144601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8154601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8164601cc39SFrank Schaefer continue; 8174601cc39SFrank Schaefer } 8180c0d06caSMauro Carvalho Chehab 819e507e0e5SFrank Schaefer if (dev->is_em25xx) 820e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 821e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 822e507e0e5SFrank Schaefer else 823e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 824e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 825e507e0e5SFrank Schaefer 8260c0d06caSMauro Carvalho Chehab } 827227b7c90SFrank Schaefer return 1; 8280c0d06caSMauro Carvalho Chehab } 8290c0d06caSMauro Carvalho Chehab 8300c0d06caSMauro Carvalho Chehab 831d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 832d3829fadSDevin Heitmueller { 833d3829fadSDevin Heitmueller switch (f_type) { 834d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 835d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 836d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 837d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 838d3829fadSDevin Heitmueller default: 839d3829fadSDevin Heitmueller BUG(); 840d3829fadSDevin Heitmueller return 0; 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 873d3829fadSDevin Heitmueller static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, 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; 879d3829fadSDevin Heitmueller unsigned long size; 8800c0d06caSMauro Carvalho Chehab 881d3829fadSDevin Heitmueller if (fmt) 882d3829fadSDevin Heitmueller size = fmt->fmt.pix.sizeimage; 883d3829fadSDevin Heitmueller else 884753aee77SFrank Schaefer size = 88506e20672SFrank Schaefer (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 8860c0d06caSMauro Carvalho Chehab 887d3829fadSDevin Heitmueller if (size == 0) 888d3829fadSDevin Heitmueller return -EINVAL; 8890c0d06caSMauro Carvalho Chehab 890d3829fadSDevin Heitmueller if (0 == *nbuffers) 891d3829fadSDevin Heitmueller *nbuffers = 32; 8920c0d06caSMauro Carvalho Chehab 893d3829fadSDevin Heitmueller *nplanes = 1; 894d3829fadSDevin Heitmueller sizes[0] = size; 8950c0d06caSMauro Carvalho Chehab 8960c0d06caSMauro Carvalho Chehab return 0; 8970c0d06caSMauro Carvalho Chehab } 8980c0d06caSMauro Carvalho Chehab 8990c0d06caSMauro Carvalho Chehab static int 900d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 9010c0d06caSMauro Carvalho Chehab { 902d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 903753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 9040c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 905d3829fadSDevin Heitmueller unsigned long size; 9060c0d06caSMauro Carvalho Chehab 907d3829fadSDevin Heitmueller em28xx_videodbg("%s, field=%d\n", __func__, vb->v4l2_buf.field); 9080c0d06caSMauro Carvalho Chehab 90906e20672SFrank Schaefer size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 910d3829fadSDevin Heitmueller 911d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 912d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 913d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 9140c0d06caSMauro Carvalho Chehab return -EINVAL; 915d3829fadSDevin Heitmueller } 916d3829fadSDevin Heitmueller vb2_set_plane_payload(&buf->vb, 0, size); 9170c0d06caSMauro Carvalho Chehab 918d3829fadSDevin Heitmueller return 0; 9190c0d06caSMauro Carvalho Chehab } 9200c0d06caSMauro Carvalho Chehab 921d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 922d3829fadSDevin Heitmueller { 923d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 924d3829fadSDevin Heitmueller struct v4l2_frequency f; 925d3829fadSDevin Heitmueller int rc = 0; 9260c0d06caSMauro Carvalho Chehab 927d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 928d3829fadSDevin Heitmueller 929d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 930d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 931d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 932d3829fadSDevin Heitmueller if (rc) 933d3829fadSDevin Heitmueller return rc; 934d3829fadSDevin Heitmueller 935032f1ddfSFrank Schaefer if (dev->streaming_users == 0) { 936d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 937d3829fadSDevin Heitmueller 938d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 939d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 940d3829fadSDevin Heitmueller 941d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 942d3829fadSDevin Heitmueller some i2c device 943d3829fadSDevin Heitmueller */ 944d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 945d3829fadSDevin Heitmueller 9460455eebfSFrank Schaefer dev->capture_type = -1; 947c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 948c647a91aSFrank Schaefer dev->analog_xfer_bulk, 9490c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 9500c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 951c647a91aSFrank Schaefer dev->packet_multiplier, 9520fa4a402SFrank Schaefer em28xx_urb_data_copy); 9530c0d06caSMauro Carvalho Chehab if (rc < 0) 954032f1ddfSFrank Schaefer return rc; 955d3829fadSDevin Heitmueller 956d3829fadSDevin Heitmueller /* 957d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 958d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 959d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 960d3829fadSDevin Heitmueller */ 961d3829fadSDevin Heitmueller 962d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 963d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 964d3829fadSDevin Heitmueller f.frequency = dev->ctl_freq; 965d3829fadSDevin Heitmueller if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO) 966d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 967d3829fadSDevin Heitmueller else 968d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 96995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 97095d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 9710c0d06caSMauro Carvalho Chehab } 9720c0d06caSMauro Carvalho Chehab 973032f1ddfSFrank Schaefer dev->streaming_users++; 974032f1ddfSFrank Schaefer 9750c0d06caSMauro Carvalho Chehab return rc; 9760c0d06caSMauro Carvalho Chehab } 9770c0d06caSMauro Carvalho Chehab 978e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 9790c0d06caSMauro Carvalho Chehab { 980d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 9810c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 982d3829fadSDevin Heitmueller unsigned long flags = 0; 9830c0d06caSMauro Carvalho Chehab 984d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9850c0d06caSMauro Carvalho Chehab 986d3829fadSDevin Heitmueller res_free(dev, vq->type); 987d3829fadSDevin Heitmueller 988d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 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); 994d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 995d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 996d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 997d3829fadSDevin Heitmueller list_del(&buf->list); 998d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 999d3829fadSDevin Heitmueller } 1000d3829fadSDevin Heitmueller dev->usb_ctl.vid_buf = NULL; 1001d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1002d3829fadSDevin Heitmueller } 1003d3829fadSDevin Heitmueller 1004e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 10050c0d06caSMauro Carvalho Chehab { 1006d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 1007d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 1008d3829fadSDevin Heitmueller unsigned long flags = 0; 10090c0d06caSMauro Carvalho Chehab 1010d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 10110c0d06caSMauro Carvalho Chehab 1012d3829fadSDevin Heitmueller res_free(dev, vq->type); 1013d3829fadSDevin Heitmueller 1014d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 1015d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1016d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 10170c0d06caSMauro Carvalho Chehab } 10180c0d06caSMauro Carvalho Chehab 1019d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1020d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1021d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1022d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1023d3829fadSDevin Heitmueller list_del(&buf->list); 1024d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 1025d3829fadSDevin Heitmueller } 1026d3829fadSDevin Heitmueller dev->usb_ctl.vbi_buf = NULL; 1027d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1028d3829fadSDevin Heitmueller } 1029d3829fadSDevin Heitmueller 1030d3829fadSDevin Heitmueller static void 1031d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1032d3829fadSDevin Heitmueller { 1033d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 1034d3829fadSDevin Heitmueller struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 1035d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1036d3829fadSDevin Heitmueller unsigned long flags = 0; 1037d3829fadSDevin Heitmueller 1038d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1039d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1040d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1041d3829fadSDevin Heitmueller 1042d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1043d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1044d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1045d3829fadSDevin Heitmueller } 1046d3829fadSDevin Heitmueller 1047d3829fadSDevin Heitmueller static struct vb2_ops em28xx_video_qops = { 1048d3829fadSDevin Heitmueller .queue_setup = queue_setup, 10490c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 10500c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1051d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1052d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1053d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1054d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 10550c0d06caSMauro Carvalho Chehab }; 10560c0d06caSMauro Carvalho Chehab 105701c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1058d3829fadSDevin Heitmueller { 1059d3829fadSDevin Heitmueller int rc; 1060d3829fadSDevin Heitmueller struct vb2_queue *q; 106127a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1062d3829fadSDevin Heitmueller 1063d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 106427a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1065d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1066ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1067ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1068d3829fadSDevin Heitmueller q->drv_priv = dev; 1069d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1070d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1071d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1072d3829fadSDevin Heitmueller 1073d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1074d3829fadSDevin Heitmueller if (rc < 0) 1075d3829fadSDevin Heitmueller return rc; 1076d3829fadSDevin Heitmueller 1077d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 107827a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1079d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1080d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1081ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1082d3829fadSDevin Heitmueller q->drv_priv = dev; 1083d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1084d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1085d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1086d3829fadSDevin Heitmueller 1087d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1088d3829fadSDevin Heitmueller if (rc < 0) 1089d3829fadSDevin Heitmueller return rc; 1090d3829fadSDevin Heitmueller 1091d3829fadSDevin Heitmueller return 0; 1092d3829fadSDevin Heitmueller } 1093d3829fadSDevin Heitmueller 10940c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 10950c0d06caSMauro Carvalho Chehab 10960c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 10970c0d06caSMauro Carvalho Chehab { 109895d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 10990c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 11000c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 11010c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 11020c0d06caSMauro Carvalho Chehab 11030c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11040c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11050c0d06caSMauro Carvalho Chehab 110695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 11070c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 11080c0d06caSMauro Carvalho Chehab 11090c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 11100c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 111195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 11120c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 11130c0d06caSMauro Carvalho Chehab } 11140c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 111595d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11160c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11170c0d06caSMauro Carvalho Chehab } 11180c0d06caSMauro Carvalho Chehab 11190c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 112095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11210c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11220c0d06caSMauro Carvalho Chehab } 11230c0d06caSMauro Carvalho Chehab 11240c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11250c0d06caSMauro Carvalho Chehab } 11260c0d06caSMauro Carvalho Chehab 112701c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11280c0d06caSMauro Carvalho Chehab { 1129081b945eSHans Verkuil struct em28xx *dev = priv; 11300c0d06caSMauro Carvalho Chehab 11310c0d06caSMauro Carvalho Chehab /* 1132081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1133081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1134081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1135081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11360c0d06caSMauro Carvalho Chehab */ 11370c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11380c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1139081b945eSHans Verkuil dev->mute = ctrl->val; 1140081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11410c0d06caSMauro Carvalho Chehab break; 11420c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1143081b945eSHans Verkuil dev->volume = ctrl->val; 1144081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1145081b945eSHans Verkuil break; 1146081b945eSHans Verkuil } 1147081b945eSHans Verkuil } 1148081b945eSHans Verkuil 1149081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1150081b945eSHans Verkuil { 1151abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1152abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1153abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11548f8b113aSFrank Schaefer int ret = -EINVAL; 1155081b945eSHans Verkuil 1156081b945eSHans Verkuil switch (ctrl->id) { 1157081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1158081b945eSHans Verkuil dev->mute = ctrl->val; 11598f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1160081b945eSHans Verkuil break; 1161081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1162081b945eSHans Verkuil dev->volume = ctrl->val; 11638f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11648f8b113aSFrank Schaefer break; 11658f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11668f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11678f8b113aSFrank Schaefer break; 11688f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11698f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11708f8b113aSFrank Schaefer break; 11718f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11728f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11738f8b113aSFrank Schaefer break; 11748f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11758f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11768f8b113aSFrank Schaefer break; 11778f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11788f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 11798f8b113aSFrank Schaefer break; 11808f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 11818f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 11820c0d06caSMauro Carvalho Chehab break; 11830c0d06caSMauro Carvalho Chehab } 11840c0d06caSMauro Carvalho Chehab 11858f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 11860c0d06caSMauro Carvalho Chehab } 11870c0d06caSMauro Carvalho Chehab 11888068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1189081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1190081b945eSHans Verkuil }; 1191081b945eSHans Verkuil 11926b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 11930c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 11940c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 11950c0d06caSMauro Carvalho Chehab { 11960c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 11970c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 11980c0d06caSMauro Carvalho Chehab 11990c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 120081685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 120181685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 12020c0d06caSMauro Carvalho Chehab 12030c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 120481685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 120581685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 12060c0d06caSMauro Carvalho Chehab } 12070c0d06caSMauro Carvalho Chehab 1208b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1209b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1210b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1211b8374138SFrank Schaefer { 1212b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1213b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1214b8374138SFrank Schaefer 1215b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1216b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1217b8374138SFrank Schaefer } 1218b8374138SFrank Schaefer 12190c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12200c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12210c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12220c0d06caSMauro Carvalho Chehab 12230c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12240c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12250c0d06caSMauro Carvalho Chehab { 12260c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12270c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1228753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12290c0d06caSMauro Carvalho Chehab 1230753aee77SFrank Schaefer f->fmt.pix.width = v4l2->width; 1231753aee77SFrank Schaefer f->fmt.pix.height = v4l2->height; 123206e20672SFrank Schaefer f->fmt.pix.pixelformat = v4l2->format->fourcc; 123306e20672SFrank Schaefer f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; 1234753aee77SFrank Schaefer f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; 12350c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12360c0d06caSMauro Carvalho Chehab 12370c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 123858159171SFrank Schaefer if (v4l2->progressive) 12390c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12400c0d06caSMauro Carvalho Chehab else 124158159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 12420c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12430c0d06caSMauro Carvalho Chehab return 0; 12440c0d06caSMauro Carvalho Chehab } 12450c0d06caSMauro Carvalho Chehab 12460c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12470c0d06caSMauro Carvalho Chehab { 12480c0d06caSMauro Carvalho Chehab unsigned int i; 12490c0d06caSMauro Carvalho Chehab 12500c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12510c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12520c0d06caSMauro Carvalho Chehab return &format[i]; 12530c0d06caSMauro Carvalho Chehab 12540c0d06caSMauro Carvalho Chehab return NULL; 12550c0d06caSMauro Carvalho Chehab } 12560c0d06caSMauro Carvalho Chehab 12570c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12580c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12590c0d06caSMauro Carvalho Chehab { 12600c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12610c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 126258159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12630c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12640c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12650c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12660c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12670c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12680c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12690c0d06caSMauro Carvalho Chehab 12700c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12710c0d06caSMauro Carvalho Chehab if (!fmt) { 12720c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12730c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12740c0d06caSMauro Carvalho Chehab return -EINVAL; 12750c0d06caSMauro Carvalho Chehab } 12760c0d06caSMauro Carvalho Chehab 12770c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12780c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12790c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12800c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1281d3829fadSDevin Heitmueller /* 1282d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1283d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1284d3829fadSDevin Heitmueller * to 50% 1285d3829fadSDevin Heitmueller */ 12860c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 12870c0d06caSMauro Carvalho Chehab width /= 2; 12880c0d06caSMauro Carvalho Chehab } else { 12890c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 12900c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 12910c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 12920c0d06caSMauro Carvalho Chehab 1, 0); 12930c0d06caSMauro Carvalho Chehab } 12940c0d06caSMauro Carvalho Chehab 12956b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 129646f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 12970c0d06caSMauro Carvalho Chehab 12980c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 12990c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 13000c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1301e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 13020c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 13030c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 130458159171SFrank Schaefer if (v4l2->progressive) 13050c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 13060c0d06caSMauro Carvalho Chehab else 130758159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 13080c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 130951dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 13100c0d06caSMauro Carvalho Chehab 13110c0d06caSMauro Carvalho Chehab return 0; 13120c0d06caSMauro Carvalho Chehab } 13130c0d06caSMauro Carvalho Chehab 13140c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 13150c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13160c0d06caSMauro Carvalho Chehab { 13170c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 1318753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13190c0d06caSMauro Carvalho Chehab 13200c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13210c0d06caSMauro Carvalho Chehab if (!fmt) 13220c0d06caSMauro Carvalho Chehab return -EINVAL; 13230c0d06caSMauro Carvalho Chehab 132406e20672SFrank Schaefer v4l2->format = fmt; 1325753aee77SFrank Schaefer v4l2->width = width; 1326753aee77SFrank Schaefer v4l2->height = height; 13270c0d06caSMauro Carvalho Chehab 13280c0d06caSMauro Carvalho Chehab /* set new image size */ 1329753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1330753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13310c0d06caSMauro Carvalho Chehab 13320c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13330c0d06caSMauro Carvalho Chehab 13340c0d06caSMauro Carvalho Chehab return 0; 13350c0d06caSMauro Carvalho Chehab } 13360c0d06caSMauro Carvalho Chehab 13370c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13380c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13390c0d06caSMauro Carvalho Chehab { 1340d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13410c0d06caSMauro Carvalho Chehab 1342d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1343d3829fadSDevin Heitmueller return -EBUSY; 13440c0d06caSMauro Carvalho Chehab 13450c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13460c0d06caSMauro Carvalho Chehab 13470c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13480c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13490c0d06caSMauro Carvalho Chehab } 13500c0d06caSMauro Carvalho Chehab 13510c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13520c0d06caSMauro Carvalho Chehab { 13530c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13540c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13550c0d06caSMauro Carvalho Chehab 135652faaf78SFrank Schaefer *norm = dev->v4l2->norm; 13570c0d06caSMauro Carvalho Chehab 13580c0d06caSMauro Carvalho Chehab return 0; 13590c0d06caSMauro Carvalho Chehab } 13600c0d06caSMauro Carvalho Chehab 13610c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13620c0d06caSMauro Carvalho Chehab { 13630c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13640c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13650c0d06caSMauro Carvalho Chehab 136695d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13670c0d06caSMauro Carvalho Chehab 13680c0d06caSMauro Carvalho Chehab return 0; 13690c0d06caSMauro Carvalho Chehab } 13700c0d06caSMauro Carvalho Chehab 1371314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13720c0d06caSMauro Carvalho Chehab { 13730c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13740c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1375753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13760c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13770c0d06caSMauro Carvalho Chehab 137852faaf78SFrank Schaefer if (norm == v4l2->norm) 1379d8c95c08SHans Verkuil return 0; 13800c0d06caSMauro Carvalho Chehab 1381d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1382d8c95c08SHans Verkuil return -EBUSY; 1383d8c95c08SHans Verkuil 138452faaf78SFrank Schaefer v4l2->norm = norm; 13850c0d06caSMauro Carvalho Chehab 13860c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1387d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1388314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 13890c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 13900c0d06caSMauro Carvalho Chehab 13910c0d06caSMauro Carvalho Chehab /* set new image size */ 1392753aee77SFrank Schaefer v4l2->width = f.fmt.pix.width; 1393753aee77SFrank Schaefer v4l2->height = f.fmt.pix.height; 1394753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1395753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13960c0d06caSMauro Carvalho Chehab 13970c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 139852faaf78SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm); 13990c0d06caSMauro Carvalho Chehab 14000c0d06caSMauro Carvalho Chehab return 0; 14010c0d06caSMauro Carvalho Chehab } 14020c0d06caSMauro Carvalho Chehab 14030c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 14040c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14050c0d06caSMauro Carvalho Chehab { 14060c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14070c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 140852faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14090c0d06caSMauro Carvalho Chehab int rc = 0; 14100c0d06caSMauro Carvalho Chehab 141186ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 14120c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 141352faaf78SFrank Schaefer rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, 14140c0d06caSMauro Carvalho Chehab video, g_parm, p); 14150c0d06caSMauro Carvalho Chehab else 141652faaf78SFrank Schaefer v4l2_video_std_frame_period(v4l2->norm, 14170c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 14180c0d06caSMauro Carvalho Chehab 14190c0d06caSMauro Carvalho Chehab return rc; 14200c0d06caSMauro Carvalho Chehab } 14210c0d06caSMauro Carvalho Chehab 14220c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14230c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14240c0d06caSMauro Carvalho Chehab { 14250c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14260c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14270c0d06caSMauro Carvalho Chehab 142886ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 142995d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 143095d2608bSFrank Schaefer 0, video, s_parm, p); 14310c0d06caSMauro Carvalho Chehab } 14320c0d06caSMauro Carvalho Chehab 14330c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14340c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14350c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14360c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14370c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14380c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14390c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14400c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14410c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14420c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14430c0d06caSMauro Carvalho Chehab }; 14440c0d06caSMauro Carvalho Chehab 14450c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14460c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14470c0d06caSMauro Carvalho Chehab { 14480c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14490c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14500c0d06caSMauro Carvalho Chehab unsigned int n; 14510c0d06caSMauro Carvalho Chehab 14520c0d06caSMauro Carvalho Chehab n = i->index; 14530c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14540c0d06caSMauro Carvalho Chehab return -EINVAL; 14550c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14560c0d06caSMauro Carvalho Chehab return -EINVAL; 14570c0d06caSMauro Carvalho Chehab 14580c0d06caSMauro Carvalho Chehab i->index = n; 14590c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14600c0d06caSMauro Carvalho Chehab 14610c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14620c0d06caSMauro Carvalho Chehab 14630c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14640c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14650c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14660c0d06caSMauro Carvalho Chehab 1467ef74a0b9SFrank Schaefer i->std = dev->v4l2->vdev->tvnorms; 1468d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1469d8c95c08SHans Verkuil if (dev->board.is_webcam) 1470d8c95c08SHans Verkuil i->capabilities = 0; 14710c0d06caSMauro Carvalho Chehab 14720c0d06caSMauro Carvalho Chehab return 0; 14730c0d06caSMauro Carvalho Chehab } 14740c0d06caSMauro Carvalho Chehab 14750c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14760c0d06caSMauro Carvalho Chehab { 14770c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14780c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14790c0d06caSMauro Carvalho Chehab 14800c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14810c0d06caSMauro Carvalho Chehab 14820c0d06caSMauro Carvalho Chehab return 0; 14830c0d06caSMauro Carvalho Chehab } 14840c0d06caSMauro Carvalho Chehab 14850c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14860c0d06caSMauro Carvalho Chehab { 14870c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14880c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14890c0d06caSMauro Carvalho Chehab 14900c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 14910c0d06caSMauro Carvalho Chehab return -EINVAL; 14920c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 14930c0d06caSMauro Carvalho Chehab return -EINVAL; 14940c0d06caSMauro Carvalho Chehab 14950c0d06caSMauro Carvalho Chehab video_mux(dev, i); 14960c0d06caSMauro Carvalho Chehab return 0; 14970c0d06caSMauro Carvalho Chehab } 14980c0d06caSMauro Carvalho Chehab 14990c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 15000c0d06caSMauro Carvalho Chehab { 15010c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15020c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15030c0d06caSMauro Carvalho Chehab 15040c0d06caSMauro Carvalho Chehab switch (a->index) { 15050c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 15060c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 15070c0d06caSMauro Carvalho Chehab break; 15080c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 15090c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 15100c0d06caSMauro Carvalho Chehab break; 15110c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 15120c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 15130c0d06caSMauro Carvalho Chehab break; 15140c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 15150c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 15160c0d06caSMauro Carvalho Chehab break; 15170c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 15180c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 15190c0d06caSMauro Carvalho Chehab break; 15200c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15210c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15220c0d06caSMauro Carvalho Chehab break; 15230c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15240c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15250c0d06caSMauro Carvalho Chehab break; 15260c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15270c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15280c0d06caSMauro Carvalho Chehab break; 15290c0d06caSMauro Carvalho Chehab default: 15300c0d06caSMauro Carvalho Chehab return -EINVAL; 15310c0d06caSMauro Carvalho Chehab } 15320c0d06caSMauro Carvalho Chehab 15330c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15340c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15350c0d06caSMauro Carvalho Chehab 15360c0d06caSMauro Carvalho Chehab return 0; 15370c0d06caSMauro Carvalho Chehab } 15380c0d06caSMauro Carvalho Chehab 15390e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15400c0d06caSMauro Carvalho Chehab { 15410c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15420c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15430c0d06caSMauro Carvalho Chehab 15440c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15450c0d06caSMauro Carvalho Chehab return -EINVAL; 15460c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15470c0d06caSMauro Carvalho Chehab return -EINVAL; 15480c0d06caSMauro Carvalho Chehab 15490c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15500c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15510c0d06caSMauro Carvalho Chehab 15520c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15530c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15540c0d06caSMauro Carvalho Chehab 15550c0d06caSMauro Carvalho Chehab return 0; 15560c0d06caSMauro Carvalho Chehab } 15570c0d06caSMauro Carvalho Chehab 15580c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15590c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15600c0d06caSMauro Carvalho Chehab { 15610c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15620c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15630c0d06caSMauro Carvalho Chehab 15640c0d06caSMauro Carvalho Chehab if (0 != t->index) 15650c0d06caSMauro Carvalho Chehab return -EINVAL; 15660c0d06caSMauro Carvalho Chehab 15670c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15680c0d06caSMauro Carvalho Chehab 156995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15700c0d06caSMauro Carvalho Chehab return 0; 15710c0d06caSMauro Carvalho Chehab } 15720c0d06caSMauro Carvalho Chehab 15730c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15742f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15750c0d06caSMauro Carvalho Chehab { 15760c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15770c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15780c0d06caSMauro Carvalho Chehab 15790c0d06caSMauro Carvalho Chehab if (0 != t->index) 15800c0d06caSMauro Carvalho Chehab return -EINVAL; 15810c0d06caSMauro Carvalho Chehab 158295d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15830c0d06caSMauro Carvalho Chehab return 0; 15840c0d06caSMauro Carvalho Chehab } 15850c0d06caSMauro Carvalho Chehab 15860c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15870c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15880c0d06caSMauro Carvalho Chehab { 15890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15910c0d06caSMauro Carvalho Chehab 159220deebfeSHans Verkuil if (0 != f->tuner) 159320deebfeSHans Verkuil return -EINVAL; 159420deebfeSHans Verkuil 15950c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15960c0d06caSMauro Carvalho Chehab return 0; 15970c0d06caSMauro Carvalho Chehab } 15980c0d06caSMauro Carvalho Chehab 15990c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1600b530a447SHans Verkuil const struct v4l2_frequency *f) 16010c0d06caSMauro Carvalho Chehab { 1602b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 16030c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 160595d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16060c0d06caSMauro Carvalho Chehab 16070c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 16080c0d06caSMauro Carvalho Chehab return -EINVAL; 16090c0d06caSMauro Carvalho Chehab 161095d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 161195d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 1612b530a447SHans Verkuil dev->ctl_freq = new_freq.frequency; 16130c0d06caSMauro Carvalho Chehab 16140c0d06caSMauro Carvalho Chehab return 0; 16150c0d06caSMauro Carvalho Chehab } 16160c0d06caSMauro Carvalho Chehab 1617cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 161896b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 161996b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 16203b2d17b4SHans Verkuil { 16213b2d17b4SHans Verkuil struct em28xx_fh *fh = priv; 16223b2d17b4SHans Verkuil struct em28xx *dev = fh->dev; 16233b2d17b4SHans Verkuil 16243b2d17b4SHans Verkuil if (chip->match.addr > 1) 16253b2d17b4SHans Verkuil return -EINVAL; 16263b2d17b4SHans Verkuil if (chip->match.addr == 1) 16273b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16283b2d17b4SHans Verkuil else 162995d2608bSFrank Schaefer strlcpy(chip->name, 163095d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16313b2d17b4SHans Verkuil return 0; 16323b2d17b4SHans Verkuil } 16333b2d17b4SHans Verkuil 163435deba32SFrank Schaefer static int em28xx_reg_len(int reg) 163535deba32SFrank Schaefer { 163635deba32SFrank Schaefer switch (reg) { 163735deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 163835deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 163935deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 164035deba32SFrank Schaefer return 2; 164135deba32SFrank Schaefer default: 164235deba32SFrank Schaefer return 1; 164335deba32SFrank Schaefer } 164435deba32SFrank Schaefer } 16450c0d06caSMauro Carvalho Chehab 16460c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16470c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16480c0d06caSMauro Carvalho Chehab { 16490c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16500c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16510c0d06caSMauro Carvalho Chehab int ret; 16520c0d06caSMauro Carvalho Chehab 16533b2d17b4SHans Verkuil if (reg->match.addr > 1) 16543b2d17b4SHans Verkuil return -EINVAL; 1655abca2056SHans Verkuil if (reg->match.addr) { 16560c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16570c0d06caSMauro Carvalho Chehab if (ret < 0) 16580c0d06caSMauro Carvalho Chehab return ret; 16590c0d06caSMauro Carvalho Chehab 16600c0d06caSMauro Carvalho Chehab reg->val = ret; 16610c0d06caSMauro Carvalho Chehab reg->size = 1; 16620c0d06caSMauro Carvalho Chehab return 0; 16630c0d06caSMauro Carvalho Chehab } 16640c0d06caSMauro Carvalho Chehab 16650c0d06caSMauro Carvalho Chehab /* Match host */ 16660c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16670c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16680c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16690c0d06caSMauro Carvalho Chehab 16700c0d06caSMauro Carvalho Chehab if (ret < 0) 16710c0d06caSMauro Carvalho Chehab return ret; 16720c0d06caSMauro Carvalho Chehab 16730c0d06caSMauro Carvalho Chehab reg->val = ret; 16740c0d06caSMauro Carvalho Chehab } else { 16750c0d06caSMauro Carvalho Chehab __le16 val = 0; 167601c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16770c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16780c0d06caSMauro Carvalho Chehab if (ret < 0) 16790c0d06caSMauro Carvalho Chehab return ret; 16800c0d06caSMauro Carvalho Chehab 16810c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16820c0d06caSMauro Carvalho Chehab } 16830c0d06caSMauro Carvalho Chehab 16840c0d06caSMauro Carvalho Chehab return 0; 16850c0d06caSMauro Carvalho Chehab } 16860c0d06caSMauro Carvalho Chehab 16870c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1688977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16890c0d06caSMauro Carvalho Chehab { 16900c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16910c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16920c0d06caSMauro Carvalho Chehab __le16 buf; 16930c0d06caSMauro Carvalho Chehab 16943b2d17b4SHans Verkuil if (reg->match.addr > 1) 16953b2d17b4SHans Verkuil return -EINVAL; 1696abca2056SHans Verkuil if (reg->match.addr) 16970c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 16980c0d06caSMauro Carvalho Chehab 16990c0d06caSMauro Carvalho Chehab /* Match host */ 17000c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 17010c0d06caSMauro Carvalho Chehab 17020c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 17030c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 17040c0d06caSMauro Carvalho Chehab } 17050c0d06caSMauro Carvalho Chehab #endif 17060c0d06caSMauro Carvalho Chehab 17070c0d06caSMauro Carvalho Chehab 17080c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17090c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17100c0d06caSMauro Carvalho Chehab { 1711a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 17120c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17130c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 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 17280c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 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; 1736ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 17371d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1738ef74a0b9SFrank Schaefer if (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 { 17580c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17590c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17600c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17610c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17620c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17630c0d06caSMauro Carvalho Chehab 17640c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17650c0d06caSMauro Carvalho Chehab if (!fmt) { 17660c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17670c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17680c0d06caSMauro Carvalho Chehab return -EINVAL; 17690c0d06caSMauro Carvalho Chehab } 17700c0d06caSMauro Carvalho Chehab 17710c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17720c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17730c0d06caSMauro Carvalho Chehab return -EINVAL; 17740c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17750c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17760c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17770c0d06caSMauro Carvalho Chehab return 0; 17780c0d06caSMauro Carvalho Chehab } 17790c0d06caSMauro Carvalho Chehab 17800c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17810c0d06caSMauro Carvalho Chehab return -EINVAL; 17820c0d06caSMauro Carvalho Chehab 17830c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17840c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17856c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17866c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17876c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17880c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17896c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17906c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17910c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17920c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17930c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17940c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17950c0d06caSMauro Carvalho Chehab return 0; 17960c0d06caSMauro Carvalho Chehab } 17970c0d06caSMauro Carvalho Chehab 17980c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 17990c0d06caSMauro Carvalho Chehab 18000c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 18010c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 18020c0d06caSMauro Carvalho Chehab { 18030c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1805753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18060c0d06caSMauro Carvalho Chehab 1807753aee77SFrank Schaefer format->fmt.vbi.samples_per_line = v4l2->vbi_width; 18080c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 18090c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 18100c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 18110c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 1812753aee77SFrank Schaefer format->fmt.vbi.count[0] = v4l2->vbi_height; 1813753aee77SFrank Schaefer format->fmt.vbi.count[1] = v4l2->vbi_height; 18142a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 18150c0d06caSMauro Carvalho Chehab 18160c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 181752faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 18180c0d06caSMauro Carvalho Chehab /* NTSC */ 18190c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 18200c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 182152faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 18220c0d06caSMauro Carvalho Chehab /* PAL */ 18230c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18240c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18250c0d06caSMauro Carvalho Chehab } 18260c0d06caSMauro Carvalho Chehab 18270c0d06caSMauro Carvalho Chehab return 0; 18280c0d06caSMauro Carvalho Chehab } 18290c0d06caSMauro Carvalho Chehab 18300c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18310c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18320c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18330c0d06caSMauro Carvalho Chehab 18340c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18350c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18360c0d06caSMauro Carvalho Chehab { 18370c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18380c0d06caSMauro Carvalho Chehab 18390c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18400c0d06caSMauro Carvalho Chehab return -EINVAL; 18410c0d06caSMauro Carvalho Chehab 18420c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18430c0d06caSMauro Carvalho Chehab 184495d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18450c0d06caSMauro Carvalho Chehab 18460c0d06caSMauro Carvalho Chehab return 0; 18470c0d06caSMauro Carvalho Chehab } 18480c0d06caSMauro Carvalho Chehab 18490c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18502f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18510c0d06caSMauro Carvalho Chehab { 18520c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18530c0d06caSMauro Carvalho Chehab 18540c0d06caSMauro Carvalho Chehab if (0 != t->index) 18550c0d06caSMauro Carvalho Chehab return -EINVAL; 18560c0d06caSMauro Carvalho Chehab 185795d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18580c0d06caSMauro Carvalho Chehab 18590c0d06caSMauro Carvalho Chehab return 0; 18600c0d06caSMauro Carvalho Chehab } 18610c0d06caSMauro Carvalho Chehab 18620c0d06caSMauro Carvalho Chehab /* 186395d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 186495d2608bSFrank Schaefer * 186595d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 186695d2608bSFrank Schaefer * 186795d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 186895d2608bSFrank Schaefer */ 186995d2608bSFrank Schaefer void em28xx_free_v4l2(struct kref *ref) 187095d2608bSFrank Schaefer { 187195d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 187295d2608bSFrank Schaefer 1873abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 187495d2608bSFrank Schaefer kfree(v4l2); 187595d2608bSFrank Schaefer } 187695d2608bSFrank Schaefer 187795d2608bSFrank Schaefer /* 18780c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18790c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18800c0d06caSMauro Carvalho Chehab */ 18810c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18820c0d06caSMauro Carvalho Chehab { 18830c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18840c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 188595d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18860c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18870c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 18880c0d06caSMauro Carvalho Chehab 18890c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18900c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18910c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18920c0d06caSMauro Carvalho Chehab break; 18930c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18940c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18950c0d06caSMauro Carvalho Chehab break; 18964e170240SFrank Schaefer case VFL_TYPE_RADIO: 18974e170240SFrank Schaefer break; 18984e170240SFrank Schaefer default: 18994e170240SFrank Schaefer return -EINVAL; 19000c0d06caSMauro Carvalho Chehab } 19010c0d06caSMauro Carvalho Chehab 19020c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 19030c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 19040c0d06caSMauro Carvalho Chehab dev->users); 19050c0d06caSMauro Carvalho Chehab 19060c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19070c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19080c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 19090c0d06caSMauro Carvalho Chehab if (!fh) { 19100c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 19110c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19120c0d06caSMauro Carvalho Chehab return -ENOMEM; 19130c0d06caSMauro Carvalho Chehab } 191469a61642SHans Verkuil v4l2_fh_init(&fh->fh, vdev); 19150c0d06caSMauro Carvalho Chehab fh->dev = dev; 19160c0d06caSMauro Carvalho Chehab fh->type = fh_type; 19170c0d06caSMauro Carvalho Chehab filp->private_data = fh; 19180c0d06caSMauro Carvalho Chehab 19194e170240SFrank Schaefer if (dev->users == 0) { 19200c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19214e170240SFrank Schaefer 19224e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19230c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19240c0d06caSMauro Carvalho Chehab 19254e170240SFrank Schaefer /* 19264e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19274e170240SFrank Schaefer * of some i2c devices 19280c0d06caSMauro Carvalho Chehab */ 19290c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19300c0d06caSMauro Carvalho Chehab } 1931d3829fadSDevin Heitmueller 1932d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19330c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 193495d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19350c0d06caSMauro Carvalho Chehab } 19360c0d06caSMauro Carvalho Chehab 193747677e51SMauro Carvalho Chehab kref_get(&dev->ref); 193895d2608bSFrank Schaefer kref_get(&v4l2->ref); 19390c0d06caSMauro Carvalho Chehab dev->users++; 19400c0d06caSMauro Carvalho Chehab 19410c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 194269a61642SHans Verkuil v4l2_fh_add(&fh->fh); 19430c0d06caSMauro Carvalho Chehab 1944d3829fadSDevin Heitmueller return 0; 19450c0d06caSMauro Carvalho Chehab } 19460c0d06caSMauro Carvalho Chehab 19470c0d06caSMauro Carvalho Chehab /* 194801c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19490c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19500c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19510c0d06caSMauro Carvalho Chehab */ 195201c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19530c0d06caSMauro Carvalho Chehab { 195495d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 195595d2608bSFrank Schaefer 1956822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1957822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1958822b8deaSMauro Carvalho Chehab return 0; 1959822b8deaSMauro Carvalho Chehab } 1960822b8deaSMauro Carvalho Chehab 196101c28193SMauro Carvalho Chehab if (!dev->has_video) { 196201c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 196301c28193SMauro Carvalho Chehab return 0; 196401c28193SMauro Carvalho Chehab } 19650c0d06caSMauro Carvalho Chehab 196695d2608bSFrank Schaefer if (v4l2 == NULL) 196795d2608bSFrank Schaefer return 0; 196895d2608bSFrank Schaefer 1969aa929ad7SMauro Carvalho Chehab em28xx_info("Closing video extension"); 1970aa929ad7SMauro Carvalho Chehab 1971ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1972ebbfbc20SMauro Carvalho Chehab 197395d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19745ad10de6SFrank Schaefer 197523e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 197623e8642cSFrank Schaefer 1977ef74a0b9SFrank Schaefer if (v4l2->radio_dev) { 1978e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1979ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 1980ef74a0b9SFrank Schaefer video_unregister_device(v4l2->radio_dev); 19810c0d06caSMauro Carvalho Chehab } 1982ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) { 19830c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1984ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 1985ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vbi_dev); 19860c0d06caSMauro Carvalho Chehab } 1987ef74a0b9SFrank Schaefer if (v4l2->vdev) { 19880c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1989ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 1990ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vdev); 19910c0d06caSMauro Carvalho Chehab } 199201c28193SMauro Carvalho Chehab 1993abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 199495d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1995103f18a2SFrank Schaefer 19962c52a2fcSFrank Schaefer if (v4l2->clk) { 19972c52a2fcSFrank Schaefer v4l2_clk_unregister_fixed(v4l2->clk); 19982c52a2fcSFrank Schaefer v4l2->clk = NULL; 199925dd1652SFrank Schaefer } 200025dd1652SFrank Schaefer 200195d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 200295d2608bSFrank Schaefer 2003ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 200495d2608bSFrank Schaefer 200547677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 20065ad10de6SFrank Schaefer 200701c28193SMauro Carvalho Chehab return 0; 20080c0d06caSMauro Carvalho Chehab } 20090c0d06caSMauro Carvalho Chehab 2010a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 2011a61f6811SShuah Khan { 2012a61f6811SShuah Khan if (dev->is_audio_only) 2013a61f6811SShuah Khan return 0; 2014a61f6811SShuah Khan 2015a61f6811SShuah Khan if (!dev->has_video) 2016a61f6811SShuah Khan return 0; 2017a61f6811SShuah Khan 2018a61f6811SShuah Khan em28xx_info("Suspending video extension"); 2019a61f6811SShuah Khan em28xx_stop_urbs(dev); 2020a61f6811SShuah Khan return 0; 2021a61f6811SShuah Khan } 2022a61f6811SShuah Khan 2023a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2024a61f6811SShuah Khan { 2025a61f6811SShuah Khan if (dev->is_audio_only) 2026a61f6811SShuah Khan return 0; 2027a61f6811SShuah Khan 2028a61f6811SShuah Khan if (!dev->has_video) 2029a61f6811SShuah Khan return 0; 2030a61f6811SShuah Khan 2031a61f6811SShuah Khan em28xx_info("Resuming video extension"); 2032a61f6811SShuah Khan /* what do we do here */ 2033a61f6811SShuah Khan return 0; 2034a61f6811SShuah Khan } 2035a61f6811SShuah Khan 20360c0d06caSMauro Carvalho Chehab /* 20370c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20380c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20390c0d06caSMauro Carvalho Chehab * calls and ioctls 20400c0d06caSMauro Carvalho Chehab */ 20410c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20420c0d06caSMauro Carvalho Chehab { 20430c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20440c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 204595d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20460c0d06caSMauro Carvalho Chehab int errCode; 20470c0d06caSMauro Carvalho Chehab 20480c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20490c0d06caSMauro Carvalho Chehab 2050d3829fadSDevin Heitmueller vb2_fop_release(filp); 205198c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20520c0d06caSMauro Carvalho Chehab 20530c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 205447677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 205547677e51SMauro Carvalho Chehab if (dev->disconnected) 205601c28193SMauro Carvalho Chehab goto exit; 20570c0d06caSMauro Carvalho Chehab 20580c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 205995d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20600c0d06caSMauro Carvalho Chehab 20610c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20620c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20630c0d06caSMauro Carvalho Chehab 20640c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20650c0d06caSMauro Carvalho Chehab dev->alt = 0; 20660c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20670c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20680c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20690c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20700c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20710c0d06caSMauro Carvalho Chehab } 20720c0d06caSMauro Carvalho Chehab } 20730c0d06caSMauro Carvalho Chehab 207401c28193SMauro Carvalho Chehab exit: 207595d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20760c0d06caSMauro Carvalho Chehab dev->users--; 20770c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 207847677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 207947677e51SMauro Carvalho Chehab 20800c0d06caSMauro Carvalho Chehab return 0; 20810c0d06caSMauro Carvalho Chehab } 20820c0d06caSMauro Carvalho Chehab 20830c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20840c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20850c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20860c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2087d3829fadSDevin Heitmueller .read = vb2_fop_read, 2088d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2089d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20900c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20910c0d06caSMauro Carvalho Chehab }; 20920c0d06caSMauro Carvalho Chehab 20930c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20940c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20950c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20960c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20970c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 20980c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 20990c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 21002a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2101aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 21020c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 21030c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 21040c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 21050c0d06caSMauro Carvalho Chehab 2106d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2107d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2108d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2109d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2110d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2111d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2112d3829fadSDevin Heitmueller 21130c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 21140c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 21150c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 21160c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 21170c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 21180c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 21190c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 21200c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2121d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2122d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21230c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21240c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21250c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21260c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 212750fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 212850fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21290c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 213096b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21310c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21320c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21330c0d06caSMauro Carvalho Chehab #endif 21340c0d06caSMauro Carvalho Chehab }; 21350c0d06caSMauro Carvalho Chehab 21360c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21370c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21380c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2139ef74a0b9SFrank Schaefer .release = video_device_release, 21400c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21410c0d06caSMauro Carvalho Chehab }; 21420c0d06caSMauro Carvalho Chehab 21430c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21440c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21450c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21460c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21470c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21480c0d06caSMauro Carvalho Chehab }; 21490c0d06caSMauro Carvalho Chehab 21500c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2151a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21520c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21530c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21540c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21550c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 215650fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 215750fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21580c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2159430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21600c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21610c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21620c0d06caSMauro Carvalho Chehab #endif 21630c0d06caSMauro Carvalho Chehab }; 21640c0d06caSMauro Carvalho Chehab 21650c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21660c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21670c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2168ef74a0b9SFrank Schaefer .release = video_device_release, 21690c0d06caSMauro Carvalho Chehab }; 21700c0d06caSMauro Carvalho Chehab 2171b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2172b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2173b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2174b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2175b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2176b64f8e9aSMauro Carvalho Chehab 2177b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2178b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2179b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2180b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2181b64f8e9aSMauro Carvalho Chehab }; 2182b64f8e9aSMauro Carvalho Chehab 2183b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2184b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2185b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2186b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2187b64f8e9aSMauro Carvalho Chehab }; 2188b64f8e9aSMauro Carvalho Chehab 21890c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21900c0d06caSMauro Carvalho Chehab 21910c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 21920c0d06caSMauro Carvalho Chehab const struct video_device *template, 21930c0d06caSMauro Carvalho Chehab const char *type_name) 21940c0d06caSMauro Carvalho Chehab { 21950c0d06caSMauro Carvalho Chehab struct video_device *vfd; 21960c0d06caSMauro Carvalho Chehab 21970c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 21980c0d06caSMauro Carvalho Chehab if (NULL == vfd) 21990c0d06caSMauro Carvalho Chehab return NULL; 22000c0d06caSMauro Carvalho Chehab 22010c0d06caSMauro Carvalho Chehab *vfd = *template; 220295d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 22030c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 22040c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 220569a61642SHans Verkuil set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); 2206d8c95c08SHans Verkuil if (dev->board.is_webcam) 2207d8c95c08SHans Verkuil vfd->tvnorms = 0; 22080c0d06caSMauro Carvalho Chehab 22090c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 22100c0d06caSMauro Carvalho Chehab dev->name, type_name); 22110c0d06caSMauro Carvalho Chehab 22120c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 22130c0d06caSMauro Carvalho Chehab return vfd; 22140c0d06caSMauro Carvalho Chehab } 22150c0d06caSMauro Carvalho Chehab 221601c28193SMauro Carvalho Chehab static void em28xx_tuner_setup(struct em28xx *dev) 22170560f337SMauro Carvalho Chehab { 221895d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 22190560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 22200560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22210560f337SMauro Carvalho Chehab 22220560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_ABSENT) 22230560f337SMauro Carvalho Chehab return; 22240560f337SMauro Carvalho Chehab 22250560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22260560f337SMauro Carvalho Chehab 22270560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22280560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22290560f337SMauro Carvalho Chehab 22300560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22310560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22320560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22330560f337SMauro Carvalho Chehab 223495d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223595d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22360560f337SMauro Carvalho Chehab } 22370560f337SMauro Carvalho Chehab 22380560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22390560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22400560f337SMauro Carvalho Chehab tun_setup.addr = dev->tuner_addr; 22410560f337SMauro Carvalho Chehab 224295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 224395d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22440560f337SMauro Carvalho Chehab } 22450560f337SMauro Carvalho Chehab 22460560f337SMauro Carvalho Chehab if (dev->tda9887_conf) { 22470560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22480560f337SMauro Carvalho Chehab 22490560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22500560f337SMauro Carvalho Chehab tda9887_cfg.priv = &dev->tda9887_conf; 22510560f337SMauro Carvalho Chehab 225295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 225395d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22540560f337SMauro Carvalho Chehab } 22550560f337SMauro Carvalho Chehab 22560560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22570560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22580560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22590560f337SMauro Carvalho Chehab 22600560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22610560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22620560f337SMauro Carvalho Chehab 22630560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22640560f337SMauro Carvalho Chehab 22650560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22660560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22670560f337SMauro Carvalho Chehab 226895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22690560f337SMauro Carvalho Chehab } 22700560f337SMauro Carvalho Chehab 22710560f337SMauro Carvalho Chehab /* configure tuner */ 22720560f337SMauro Carvalho Chehab f.tuner = 0; 22730560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22740560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22750560f337SMauro Carvalho Chehab dev->ctl_freq = f.frequency; 227695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22770560f337SMauro Carvalho Chehab } 22780560f337SMauro Carvalho Chehab 227901c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22800c0d06caSMauro Carvalho Chehab { 22810c0d06caSMauro Carvalho Chehab u8 val; 22820c0d06caSMauro Carvalho Chehab int ret; 22830c0d06caSMauro Carvalho Chehab unsigned int maxw; 2284abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 228595d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2286b64f8e9aSMauro Carvalho Chehab 2287822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2288822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2289822b8deaSMauro Carvalho Chehab return 0; 2290822b8deaSMauro Carvalho Chehab } 2291822b8deaSMauro Carvalho Chehab 229201c28193SMauro Carvalho Chehab if (!dev->has_video) { 2293b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2294b64f8e9aSMauro Carvalho Chehab return 0; 2295b64f8e9aSMauro Carvalho Chehab } 22960c0d06caSMauro Carvalho Chehab 22979634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 22980c0d06caSMauro Carvalho Chehab 229901c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 230001c28193SMauro Carvalho Chehab 230195d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 230295d2608bSFrank Schaefer if (v4l2 == NULL) { 230395d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 230495d2608bSFrank Schaefer mutex_unlock(&dev->lock); 230595d2608bSFrank Schaefer return -ENOMEM; 230695d2608bSFrank Schaefer } 230795d2608bSFrank Schaefer kref_init(&v4l2->ref); 2308abc1308fSFrank Schaefer v4l2->dev = dev; 230995d2608bSFrank Schaefer dev->v4l2 = v4l2; 231095d2608bSFrank Schaefer 231195d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2312b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2313b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2314b64f8e9aSMauro Carvalho Chehab goto err; 2315b64f8e9aSMauro Carvalho Chehab } 2316b64f8e9aSMauro Carvalho Chehab 2317abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2318b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 231995d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2320b64f8e9aSMauro Carvalho Chehab 232158159171SFrank Schaefer if (dev->board.is_webcam) 232258159171SFrank Schaefer v4l2->progressive = 1; 232358159171SFrank Schaefer 2324b64f8e9aSMauro Carvalho Chehab /* 2325b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2326b64f8e9aSMauro Carvalho Chehab */ 23279297285eSFrank Schaefer v4l2->vinmode = 0x10; 23289297285eSFrank Schaefer v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | 2329b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2330b64f8e9aSMauro Carvalho Chehab 2331b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2332b64f8e9aSMauro Carvalho Chehab 2333b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 233495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233595d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2336b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2337b64f8e9aSMauro Carvalho Chehab 2338b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 233995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2341b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2342b64f8e9aSMauro Carvalho Chehab 2343b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 234495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234595d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2346b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2347b64f8e9aSMauro Carvalho Chehab 2348b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 234995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 235095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2351b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2352b64f8e9aSMauro Carvalho Chehab 2353b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2354b64f8e9aSMauro Carvalho Chehab 2355b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 2356b64f8e9aSMauro Carvalho Chehab int has_demod = (dev->tda9887_conf & TDA9887_PRESENT); 2357b64f8e9aSMauro Carvalho Chehab 2358b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 235995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 236095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2361b64f8e9aSMauro Carvalho Chehab "tuner", dev->board.radio_addr, NULL); 2362b64f8e9aSMauro Carvalho Chehab 2363b64f8e9aSMauro Carvalho Chehab if (has_demod) 236495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2365b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2366b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 2367b64f8e9aSMauro Carvalho Chehab if (dev->tuner_addr == 0) { 2368b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2369b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2370b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2371b64f8e9aSMauro Carvalho Chehab 237295d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2373b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2374b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(type)); 2375b64f8e9aSMauro Carvalho Chehab 2376b64f8e9aSMauro Carvalho Chehab if (sd) 2377b64f8e9aSMauro Carvalho Chehab dev->tuner_addr = v4l2_i2c_subdev_addr(sd); 2378b64f8e9aSMauro Carvalho Chehab } else { 237995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 238095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2381b64f8e9aSMauro Carvalho Chehab "tuner", dev->tuner_addr, NULL); 2382b64f8e9aSMauro Carvalho Chehab } 2383b64f8e9aSMauro Carvalho Chehab } 2384b64f8e9aSMauro Carvalho Chehab 2385b64f8e9aSMauro Carvalho Chehab em28xx_tuner_setup(dev); 2386d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2387b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2388b64f8e9aSMauro Carvalho Chehab 2389b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2390b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2391b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2392b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2393b64f8e9aSMauro Carvalho Chehab __func__, ret); 2394b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2395b64f8e9aSMauro Carvalho Chehab } 2396b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2397b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2398b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2399b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2400b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2401b64f8e9aSMauro Carvalho Chehab } else { 2402b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2403b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2404b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2405b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2406b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2407b64f8e9aSMauro Carvalho Chehab } 2408b64f8e9aSMauro Carvalho Chehab 2409b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2410b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2411b64f8e9aSMauro Carvalho Chehab 2412b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2413b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2414b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2415b64f8e9aSMauro Carvalho Chehab 2416b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2417b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2418b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2419b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2420b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2421b64f8e9aSMauro Carvalho Chehab __func__, ret); 2422b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2423b64f8e9aSMauro Carvalho Chehab } 2424b64f8e9aSMauro Carvalho Chehab msleep(3); 2425b64f8e9aSMauro Carvalho Chehab 2426b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2427b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2428b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2429b64f8e9aSMauro Carvalho Chehab __func__, ret); 2430b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2431b64f8e9aSMauro Carvalho Chehab } 2432b64f8e9aSMauro Carvalho Chehab msleep(3); 2433b64f8e9aSMauro Carvalho Chehab } 2434b64f8e9aSMauro Carvalho Chehab 24350c0d06caSMauro Carvalho Chehab /* set default norm */ 243652faaf78SFrank Schaefer v4l2->norm = V4L2_STD_PAL; 243752faaf78SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm); 243858159171SFrank Schaefer v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; 24390c0d06caSMauro Carvalho Chehab 24400c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 244106e20672SFrank Schaefer v4l2->format = &format[0]; 24420c0d06caSMauro Carvalho Chehab 24430c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24440c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24450c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24460c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24470c0d06caSMauro Carvalho Chehab maxw /= 2; 24480c0d06caSMauro Carvalho Chehab 24490c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24500c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24510c0d06caSMauro Carvalho Chehab 24520c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24530c0d06caSMauro Carvalho Chehab 24540c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24550c0d06caSMauro Carvalho Chehab dev->mute = 1; 24560c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24570c0d06caSMauro Carvalho Chehab 24580c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24590c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24600c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24610c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24620c0d06caSMauro Carvalho Chehab 24630c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24640c0d06caSMauro Carvalho Chehab 24658f8b113aSFrank Schaefer /* Add image controls */ 24668f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24678f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2468ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2469ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24708f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24718f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2472ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2473ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24748f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24758f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2476ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2477ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24788f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24798f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2480ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2481ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24828f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24838f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2484ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2485ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24868f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24878f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2488ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2489ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24908f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24918f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24928f8b113aSFrank Schaefer 24938f8b113aSFrank Schaefer /* Reset image controls */ 24948f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2495ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2496ad298055SFrank Schaefer ret = hdl->error; 2497b64f8e9aSMauro Carvalho Chehab if (ret) 2498b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 24998f8b113aSFrank Schaefer 25000c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2501ef74a0b9SFrank Schaefer v4l2->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 2502ef74a0b9SFrank Schaefer if (!v4l2->vdev) { 25030c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2504b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2505b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25060c0d06caSMauro Carvalho Chehab } 250727a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 250827a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 250927a36df6SFrank Schaefer v4l2->vdev->queue = &v4l2->vb_vidq; 251027a36df6SFrank Schaefer v4l2->vdev->queue->lock = &v4l2->vb_queue_lock; 25110c0d06caSMauro Carvalho Chehab 25126e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 25136e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2514ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_QUERYSTD); 2515ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_STD); 2516ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_STD); 25173bc85cceSFrank Schaefer } else { 2518ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 25196e46dabaSFrank Schaefer } 252066df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2521ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_TUNER); 2522ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_TUNER); 2523ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_FREQUENCY); 2524ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_FREQUENCY); 252566df67b7SFrank Schaefer } 2526c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2527ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_AUDIO); 2528ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_AUDIO); 2529c2dcef83SFrank Schaefer } 25306e46dabaSFrank Schaefer 25310c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2532ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vdev, VFL_TYPE_GRABBER, 25330c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25340c0d06caSMauro Carvalho Chehab if (ret) { 25350c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25360c0d06caSMauro Carvalho Chehab ret); 2537b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25380c0d06caSMauro Carvalho Chehab } 25390c0d06caSMauro Carvalho Chehab 25400c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25410c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2542ef74a0b9SFrank Schaefer v4l2->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 25430c0d06caSMauro Carvalho Chehab "vbi"); 25440c0d06caSMauro Carvalho Chehab 254527a36df6SFrank Schaefer v4l2->vbi_dev->queue = &v4l2->vb_vbiq; 254627a36df6SFrank Schaefer v4l2->vbi_dev->queue->lock = &v4l2->vb_vbi_queue_lock; 2547d3829fadSDevin Heitmueller 254866df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2549ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 255066df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2551ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_TUNER); 2552ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_TUNER); 2553ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2554ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 255566df67b7SFrank Schaefer } 2556c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2557ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_AUDIO); 2558ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_AUDIO); 2559c2dcef83SFrank Schaefer } 256066df67b7SFrank Schaefer 25610c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2562ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vbi_dev, VFL_TYPE_VBI, 25630c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25640c0d06caSMauro Carvalho Chehab if (ret < 0) { 25650c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2566b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25670c0d06caSMauro Carvalho Chehab } 25680c0d06caSMauro Carvalho Chehab } 25690c0d06caSMauro Carvalho Chehab 25700c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2571ef74a0b9SFrank Schaefer v4l2->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 25720c0d06caSMauro Carvalho Chehab "radio"); 2573ef74a0b9SFrank Schaefer if (!v4l2->radio_dev) { 25740c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2575b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2576b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25770c0d06caSMauro Carvalho Chehab } 2578ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->radio_dev, VFL_TYPE_RADIO, 25790c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25800c0d06caSMauro Carvalho Chehab if (ret < 0) { 25810c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2582b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25830c0d06caSMauro Carvalho Chehab } 25840c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 2585ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 25860c0d06caSMauro Carvalho Chehab } 25870c0d06caSMauro Carvalho Chehab 25880c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 2589ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 25900c0d06caSMauro Carvalho Chehab 2591ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 25920c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 2593ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 25940c0d06caSMauro Carvalho Chehab 2595b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 259695d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2597b64f8e9aSMauro Carvalho Chehab 2598b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2599b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2600b64f8e9aSMauro Carvalho Chehab 26019634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 26029634614fSMauro Carvalho Chehab 260347677e51SMauro Carvalho Chehab kref_get(&dev->ref); 260447677e51SMauro Carvalho Chehab 260501c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 26060c0d06caSMauro Carvalho Chehab return 0; 2607b64f8e9aSMauro Carvalho Chehab 2608b64f8e9aSMauro Carvalho Chehab unregister_dev: 2609abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 261095d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2611b64f8e9aSMauro Carvalho Chehab err: 261295d2608bSFrank Schaefer dev->v4l2 = NULL; 261395d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 261401c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2615b64f8e9aSMauro Carvalho Chehab return ret; 26160c0d06caSMauro Carvalho Chehab } 261701c28193SMauro Carvalho Chehab 261801c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 261901c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 262001c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 262101c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 262201c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2623a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2624a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 262501c28193SMauro Carvalho Chehab }; 262601c28193SMauro Carvalho Chehab 262701c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 262801c28193SMauro Carvalho Chehab { 262901c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 263001c28193SMauro Carvalho Chehab } 263101c28193SMauro Carvalho Chehab 263201c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 263301c28193SMauro Carvalho Chehab { 263401c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 263501c28193SMauro Carvalho Chehab } 263601c28193SMauro Carvalho Chehab 263701c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 263801c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2639