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 437f0e38230SFrank Schaefer buf->vb.v4l2_buf.sequence = dev->v4l2->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 619f0e38230SFrank Schaefer if (v4l2->progressive || v4l2->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) { 625f0e38230SFrank Schaefer buf->top_field = v4l2->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) */ 659f0e38230SFrank Schaefer v4l2->capture_type = 0; 660f0e38230SFrank Schaefer v4l2->vbi_read = 0; 661227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 662f0e38230SFrank Schaefer v4l2->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) */ 667f0e38230SFrank Schaefer v4l2->capture_type = 2; 668227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 669f0e38230SFrank Schaefer v4l2->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 677f0e38230SFrank Schaefer if (v4l2->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; 680f0e38230SFrank Schaefer v4l2->capture_type = 1; 681227b7c90SFrank Schaefer } 682227b7c90SFrank Schaefer 683f0e38230SFrank Schaefer if (v4l2->capture_type == 1) { 684753aee77SFrank Schaefer int vbi_size = v4l2->vbi_width * v4l2->vbi_height; 685f0e38230SFrank Schaefer int vbi_data_len = ((v4l2->vbi_read + data_len) > vbi_size) ? 686f0e38230SFrank Schaefer (vbi_size - v4l2->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); 691f0e38230SFrank Schaefer v4l2->vbi_read += vbi_data_len; 692227b7c90SFrank Schaefer 693227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 694227b7c90SFrank Schaefer /* Continue with copying video data */ 695f0e38230SFrank Schaefer v4l2->capture_type = 2; 696227b7c90SFrank Schaefer data_pkt += vbi_data_len; 697227b7c90SFrank Schaefer data_len -= vbi_data_len; 698227b7c90SFrank Schaefer } 699227b7c90SFrank Schaefer } 700227b7c90SFrank Schaefer 701f0e38230SFrank Schaefer if (v4l2->capture_type == 2) { 702227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 703227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 704f0e38230SFrank Schaefer v4l2->capture_type = 3; 705227b7c90SFrank Schaefer } 706227b7c90SFrank Schaefer 707f0e38230SFrank Schaefer if (v4l2->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; 720f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 721e507e0e5SFrank Schaefer bool frame_end = 0; 722e507e0e5SFrank Schaefer 723e507e0e5SFrank Schaefer /* Check for header */ 724e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 725e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 726e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 727e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 728e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 729f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[1] & 730e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 731e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 732e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 733e507e0e5SFrank Schaefer data_pkt += 2; 734e507e0e5SFrank Schaefer data_len -= 2; 735e507e0e5SFrank Schaefer } 736e507e0e5SFrank Schaefer 737e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 738e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 739e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 740e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 741e507e0e5SFrank Schaefer } 742e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 743e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 744e507e0e5SFrank Schaefer * first frame. 745e507e0e5SFrank Schaefer */ 746e507e0e5SFrank Schaefer } 747e507e0e5SFrank Schaefer 748e507e0e5SFrank Schaefer /* Copy data */ 749e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 750e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 751e507e0e5SFrank Schaefer 752e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 753e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 754e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 755e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 756e507e0e5SFrank Schaefer } 757e507e0e5SFrank Schaefer 758e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 759e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 760e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 761e507e0e5SFrank Schaefer * header like with the other em28xx devices. 762e507e0e5SFrank Schaefer */ 763e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 764e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 765e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 766e507e0e5SFrank Schaefer } 767e507e0e5SFrank Schaefer 768960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7690fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7700c0d06caSMauro Carvalho Chehab { 771227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 772227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 773227b7c90SFrank Schaefer unsigned int usb_data_len; 7740c0d06caSMauro Carvalho Chehab 7750c0d06caSMauro Carvalho Chehab if (!dev) 7760c0d06caSMauro Carvalho Chehab return 0; 7770c0d06caSMauro Carvalho Chehab 7782665c299SFrank Schaefer if (dev->disconnected) 7790c0d06caSMauro Carvalho Chehab return 0; 7800c0d06caSMauro Carvalho Chehab 7811653cb0cSFrank Schaefer if (urb->status < 0) 7820c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7830c0d06caSMauro Carvalho Chehab 7844601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7854601cc39SFrank Schaefer 7864601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7874601cc39SFrank Schaefer num_packets = 1; 7884601cc39SFrank Schaefer else /* isoc */ 7894601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7900c0d06caSMauro Carvalho Chehab 7914601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7924601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 793227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 7944601cc39SFrank Schaefer 795227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 7964601cc39SFrank Schaefer } else { /* isoc */ 7974601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 7984601cc39SFrank Schaefer print_err_status(dev, i, 7994601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 8000c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 8010c0d06caSMauro Carvalho Chehab continue; 8020c0d06caSMauro Carvalho Chehab } 8030c0d06caSMauro Carvalho Chehab 804227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 805227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 8060c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 8070c0d06caSMauro Carvalho Chehab continue; 8080c0d06caSMauro Carvalho Chehab } 8090c0d06caSMauro Carvalho Chehab 810227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8114601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8124601cc39SFrank Schaefer } 8134601cc39SFrank Schaefer 814227b7c90SFrank Schaefer if (usb_data_len == 0) { 8154601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8164601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8174601cc39SFrank Schaefer continue; 8184601cc39SFrank Schaefer } 8190c0d06caSMauro Carvalho Chehab 820e507e0e5SFrank Schaefer if (dev->is_em25xx) 821e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 822e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 823e507e0e5SFrank Schaefer else 824e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 825e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 826e507e0e5SFrank Schaefer 8270c0d06caSMauro Carvalho Chehab } 828227b7c90SFrank Schaefer return 1; 8290c0d06caSMauro Carvalho Chehab } 8300c0d06caSMauro Carvalho Chehab 8310c0d06caSMauro Carvalho Chehab 832d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 833d3829fadSDevin Heitmueller { 834d3829fadSDevin Heitmueller switch (f_type) { 835d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 836d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 837d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 838d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 839d3829fadSDevin Heitmueller default: 840d3829fadSDevin Heitmueller BUG(); 841d3829fadSDevin Heitmueller return 0; 842d3829fadSDevin Heitmueller } 843d3829fadSDevin Heitmueller } 844d3829fadSDevin Heitmueller 845d3829fadSDevin Heitmueller /* Usage lock check functions */ 846d3829fadSDevin Heitmueller static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) 847d3829fadSDevin Heitmueller { 848d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 849d3829fadSDevin Heitmueller 850d3829fadSDevin Heitmueller /* is it free? */ 851d3829fadSDevin Heitmueller if (dev->resources & res_type) { 852d3829fadSDevin Heitmueller /* no, someone else uses it */ 853d3829fadSDevin Heitmueller return -EBUSY; 854d3829fadSDevin Heitmueller } 855d3829fadSDevin Heitmueller 856d3829fadSDevin Heitmueller /* it's free, grab it */ 857d3829fadSDevin Heitmueller dev->resources |= res_type; 858d3829fadSDevin Heitmueller em28xx_videodbg("res: get %d\n", res_type); 859d3829fadSDevin Heitmueller return 0; 860d3829fadSDevin Heitmueller } 861d3829fadSDevin Heitmueller 862d3829fadSDevin Heitmueller static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) 863d3829fadSDevin Heitmueller { 864d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 865d3829fadSDevin Heitmueller 866d3829fadSDevin Heitmueller dev->resources &= ~res_type; 867d3829fadSDevin Heitmueller em28xx_videodbg("res: put %d\n", res_type); 868d3829fadSDevin Heitmueller } 869d3829fadSDevin Heitmueller 8700c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 871d3829fadSDevin Heitmueller Videobuf2 operations 8720c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 8730c0d06caSMauro Carvalho Chehab 874d3829fadSDevin Heitmueller static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, 875d3829fadSDevin Heitmueller unsigned int *nbuffers, unsigned int *nplanes, 876d3829fadSDevin Heitmueller unsigned int sizes[], void *alloc_ctxs[]) 8770c0d06caSMauro Carvalho Chehab { 878d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 879753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 880d3829fadSDevin Heitmueller unsigned long size; 8810c0d06caSMauro Carvalho Chehab 882d3829fadSDevin Heitmueller if (fmt) 883d3829fadSDevin Heitmueller size = fmt->fmt.pix.sizeimage; 884d3829fadSDevin Heitmueller else 885753aee77SFrank Schaefer size = 88606e20672SFrank Schaefer (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 8870c0d06caSMauro Carvalho Chehab 888d3829fadSDevin Heitmueller if (size == 0) 889d3829fadSDevin Heitmueller return -EINVAL; 8900c0d06caSMauro Carvalho Chehab 891d3829fadSDevin Heitmueller if (0 == *nbuffers) 892d3829fadSDevin Heitmueller *nbuffers = 32; 8930c0d06caSMauro Carvalho Chehab 894d3829fadSDevin Heitmueller *nplanes = 1; 895d3829fadSDevin Heitmueller sizes[0] = size; 8960c0d06caSMauro Carvalho Chehab 8970c0d06caSMauro Carvalho Chehab return 0; 8980c0d06caSMauro Carvalho Chehab } 8990c0d06caSMauro Carvalho Chehab 9000c0d06caSMauro Carvalho Chehab static int 901d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 9020c0d06caSMauro Carvalho Chehab { 903d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 904753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 9050c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 906d3829fadSDevin Heitmueller unsigned long size; 9070c0d06caSMauro Carvalho Chehab 908d3829fadSDevin Heitmueller em28xx_videodbg("%s, field=%d\n", __func__, vb->v4l2_buf.field); 9090c0d06caSMauro Carvalho Chehab 91006e20672SFrank Schaefer size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 911d3829fadSDevin Heitmueller 912d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 913d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 914d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 9150c0d06caSMauro Carvalho Chehab return -EINVAL; 916d3829fadSDevin Heitmueller } 917d3829fadSDevin Heitmueller vb2_set_plane_payload(&buf->vb, 0, size); 9180c0d06caSMauro Carvalho Chehab 919d3829fadSDevin Heitmueller return 0; 9200c0d06caSMauro Carvalho Chehab } 9210c0d06caSMauro Carvalho Chehab 922d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 923d3829fadSDevin Heitmueller { 924d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 925f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 926d3829fadSDevin Heitmueller struct v4l2_frequency f; 927d3829fadSDevin Heitmueller int rc = 0; 9280c0d06caSMauro Carvalho Chehab 929d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 930d3829fadSDevin Heitmueller 931d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 932d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 933d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 934d3829fadSDevin Heitmueller if (rc) 935d3829fadSDevin Heitmueller return rc; 936d3829fadSDevin Heitmueller 937032f1ddfSFrank Schaefer if (dev->streaming_users == 0) { 938d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 939d3829fadSDevin Heitmueller 940d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 941d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 942d3829fadSDevin Heitmueller 943d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 944d3829fadSDevin Heitmueller some i2c device 945d3829fadSDevin Heitmueller */ 946d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 947d3829fadSDevin Heitmueller 948f0e38230SFrank Schaefer v4l2->capture_type = -1; 949c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 950c647a91aSFrank Schaefer dev->analog_xfer_bulk, 9510c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 9520c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 953c647a91aSFrank Schaefer dev->packet_multiplier, 9540fa4a402SFrank Schaefer em28xx_urb_data_copy); 9550c0d06caSMauro Carvalho Chehab if (rc < 0) 956032f1ddfSFrank Schaefer return rc; 957d3829fadSDevin Heitmueller 958d3829fadSDevin Heitmueller /* 959d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 960d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 961d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 962d3829fadSDevin Heitmueller */ 963d3829fadSDevin Heitmueller 964d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 965d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 966d3829fadSDevin Heitmueller f.frequency = dev->ctl_freq; 967d3829fadSDevin Heitmueller if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO) 968d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 969d3829fadSDevin Heitmueller else 970d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 971f0e38230SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 97295d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 9730c0d06caSMauro Carvalho Chehab } 9740c0d06caSMauro Carvalho Chehab 975032f1ddfSFrank Schaefer dev->streaming_users++; 976032f1ddfSFrank Schaefer 9770c0d06caSMauro Carvalho Chehab return rc; 9780c0d06caSMauro Carvalho Chehab } 9790c0d06caSMauro Carvalho Chehab 980e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 9810c0d06caSMauro Carvalho Chehab { 982d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 9830c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 984d3829fadSDevin Heitmueller unsigned long flags = 0; 9850c0d06caSMauro Carvalho Chehab 986d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 9870c0d06caSMauro Carvalho Chehab 988d3829fadSDevin Heitmueller res_free(dev, vq->type); 989d3829fadSDevin Heitmueller 990d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 991d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 992d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 9930c0d06caSMauro Carvalho Chehab } 9940c0d06caSMauro Carvalho Chehab 995d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 996d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 997d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 998d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 999d3829fadSDevin Heitmueller list_del(&buf->list); 1000d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 1001d3829fadSDevin Heitmueller } 1002d3829fadSDevin Heitmueller dev->usb_ctl.vid_buf = NULL; 1003d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1004d3829fadSDevin Heitmueller } 1005d3829fadSDevin Heitmueller 1006e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 10070c0d06caSMauro Carvalho Chehab { 1008d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 1009d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 1010d3829fadSDevin Heitmueller unsigned long flags = 0; 10110c0d06caSMauro Carvalho Chehab 1012d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 10130c0d06caSMauro Carvalho Chehab 1014d3829fadSDevin Heitmueller res_free(dev, vq->type); 1015d3829fadSDevin Heitmueller 1016d3829fadSDevin Heitmueller if (dev->streaming_users-- == 1) { 1017d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1018d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 10190c0d06caSMauro Carvalho Chehab } 10200c0d06caSMauro Carvalho Chehab 1021d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1022d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1023d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1024d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1025d3829fadSDevin Heitmueller list_del(&buf->list); 1026d3829fadSDevin Heitmueller vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 1027d3829fadSDevin Heitmueller } 1028d3829fadSDevin Heitmueller dev->usb_ctl.vbi_buf = NULL; 1029d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1030d3829fadSDevin Heitmueller } 1031d3829fadSDevin Heitmueller 1032d3829fadSDevin Heitmueller static void 1033d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1034d3829fadSDevin Heitmueller { 1035d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 1036d3829fadSDevin Heitmueller struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); 1037d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1038d3829fadSDevin Heitmueller unsigned long flags = 0; 1039d3829fadSDevin Heitmueller 1040d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1041d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1042d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1043d3829fadSDevin Heitmueller 1044d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1045d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1046d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1047d3829fadSDevin Heitmueller } 1048d3829fadSDevin Heitmueller 1049d3829fadSDevin Heitmueller static struct vb2_ops em28xx_video_qops = { 1050d3829fadSDevin Heitmueller .queue_setup = queue_setup, 10510c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 10520c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1053d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1054d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1055d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1056d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 10570c0d06caSMauro Carvalho Chehab }; 10580c0d06caSMauro Carvalho Chehab 105901c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1060d3829fadSDevin Heitmueller { 1061d3829fadSDevin Heitmueller int rc; 1062d3829fadSDevin Heitmueller struct vb2_queue *q; 106327a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1064d3829fadSDevin Heitmueller 1065d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 106627a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1067d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1068ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1069ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1070d3829fadSDevin Heitmueller q->drv_priv = dev; 1071d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1072d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1073d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1074d3829fadSDevin Heitmueller 1075d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1076d3829fadSDevin Heitmueller if (rc < 0) 1077d3829fadSDevin Heitmueller return rc; 1078d3829fadSDevin Heitmueller 1079d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 108027a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1081d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1082d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1083ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1084d3829fadSDevin Heitmueller q->drv_priv = dev; 1085d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1086d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1087d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1088d3829fadSDevin Heitmueller 1089d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1090d3829fadSDevin Heitmueller if (rc < 0) 1091d3829fadSDevin Heitmueller return rc; 1092d3829fadSDevin Heitmueller 1093d3829fadSDevin Heitmueller return 0; 1094d3829fadSDevin Heitmueller } 1095d3829fadSDevin Heitmueller 10960c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 10970c0d06caSMauro Carvalho Chehab 10980c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 10990c0d06caSMauro Carvalho Chehab { 110095d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 11010c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 11020c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 11030c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 11040c0d06caSMauro Carvalho Chehab 11050c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 11060c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 11070c0d06caSMauro Carvalho Chehab 110895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 11090c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 11100c0d06caSMauro Carvalho Chehab 11110c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 11120c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 111395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 11140c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 11150c0d06caSMauro Carvalho Chehab } 11160c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 111795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11180c0d06caSMauro Carvalho Chehab dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 11190c0d06caSMauro Carvalho Chehab } 11200c0d06caSMauro Carvalho Chehab 11210c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 112295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 11230c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 11240c0d06caSMauro Carvalho Chehab } 11250c0d06caSMauro Carvalho Chehab 11260c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 11270c0d06caSMauro Carvalho Chehab } 11280c0d06caSMauro Carvalho Chehab 112901c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 11300c0d06caSMauro Carvalho Chehab { 1131081b945eSHans Verkuil struct em28xx *dev = priv; 11320c0d06caSMauro Carvalho Chehab 11330c0d06caSMauro Carvalho Chehab /* 1134081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1135081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1136081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1137081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 11380c0d06caSMauro Carvalho Chehab */ 11390c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 11400c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1141081b945eSHans Verkuil dev->mute = ctrl->val; 1142081b945eSHans Verkuil em28xx_audio_analog_set(dev); 11430c0d06caSMauro Carvalho Chehab break; 11440c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1145081b945eSHans Verkuil dev->volume = ctrl->val; 1146081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1147081b945eSHans Verkuil break; 1148081b945eSHans Verkuil } 1149081b945eSHans Verkuil } 1150081b945eSHans Verkuil 1151081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1152081b945eSHans Verkuil { 1153abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1154abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1155abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 11568f8b113aSFrank Schaefer int ret = -EINVAL; 1157081b945eSHans Verkuil 1158081b945eSHans Verkuil switch (ctrl->id) { 1159081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1160081b945eSHans Verkuil dev->mute = ctrl->val; 11618f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1162081b945eSHans Verkuil break; 1163081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1164081b945eSHans Verkuil dev->volume = ctrl->val; 11658f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 11668f8b113aSFrank Schaefer break; 11678f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 11688f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 11698f8b113aSFrank Schaefer break; 11708f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 11718f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 11728f8b113aSFrank Schaefer break; 11738f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 11748f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 11758f8b113aSFrank Schaefer break; 11768f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 11778f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 11788f8b113aSFrank Schaefer break; 11798f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 11808f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 11818f8b113aSFrank Schaefer break; 11828f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 11838f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 11840c0d06caSMauro Carvalho Chehab break; 11850c0d06caSMauro Carvalho Chehab } 11860c0d06caSMauro Carvalho Chehab 11878f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 11880c0d06caSMauro Carvalho Chehab } 11890c0d06caSMauro Carvalho Chehab 11908068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1191081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1192081b945eSHans Verkuil }; 1193081b945eSHans Verkuil 11946b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 11950c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 11960c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 11970c0d06caSMauro Carvalho Chehab { 11980c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 11990c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12000c0d06caSMauro Carvalho Chehab 12010c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 120281685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 120381685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 12040c0d06caSMauro Carvalho Chehab 12050c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 120681685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 120781685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 12080c0d06caSMauro Carvalho Chehab } 12090c0d06caSMauro Carvalho Chehab 1210b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1211b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1212b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1213b8374138SFrank Schaefer { 1214b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1215b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1216b8374138SFrank Schaefer 1217b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1218b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 1219b8374138SFrank Schaefer } 1220b8374138SFrank Schaefer 12210c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 12220c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 12230c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 12240c0d06caSMauro Carvalho Chehab 12250c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 12260c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12270c0d06caSMauro Carvalho Chehab { 12280c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12290c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1230753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12310c0d06caSMauro Carvalho Chehab 1232753aee77SFrank Schaefer f->fmt.pix.width = v4l2->width; 1233753aee77SFrank Schaefer f->fmt.pix.height = v4l2->height; 123406e20672SFrank Schaefer f->fmt.pix.pixelformat = v4l2->format->fourcc; 123506e20672SFrank Schaefer f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; 1236753aee77SFrank Schaefer f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; 12370c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 12380c0d06caSMauro Carvalho Chehab 12390c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 124058159171SFrank Schaefer if (v4l2->progressive) 12410c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 12420c0d06caSMauro Carvalho Chehab else 124358159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 12440c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 12450c0d06caSMauro Carvalho Chehab return 0; 12460c0d06caSMauro Carvalho Chehab } 12470c0d06caSMauro Carvalho Chehab 12480c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 12490c0d06caSMauro Carvalho Chehab { 12500c0d06caSMauro Carvalho Chehab unsigned int i; 12510c0d06caSMauro Carvalho Chehab 12520c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 12530c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 12540c0d06caSMauro Carvalho Chehab return &format[i]; 12550c0d06caSMauro Carvalho Chehab 12560c0d06caSMauro Carvalho Chehab return NULL; 12570c0d06caSMauro Carvalho Chehab } 12580c0d06caSMauro Carvalho Chehab 12590c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 12600c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 12610c0d06caSMauro Carvalho Chehab { 12620c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 12630c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 126458159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 12650c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 12660c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 12670c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 12680c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 12690c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 12700c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 12710c0d06caSMauro Carvalho Chehab 12720c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 12730c0d06caSMauro Carvalho Chehab if (!fmt) { 12740c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 12750c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 12760c0d06caSMauro Carvalho Chehab return -EINVAL; 12770c0d06caSMauro Carvalho Chehab } 12780c0d06caSMauro Carvalho Chehab 12790c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 12800c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 12810c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 12820c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1283d3829fadSDevin Heitmueller /* 1284d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1285d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1286d3829fadSDevin Heitmueller * to 50% 1287d3829fadSDevin Heitmueller */ 12880c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 12890c0d06caSMauro Carvalho Chehab width /= 2; 12900c0d06caSMauro Carvalho Chehab } else { 12910c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 12920c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 12930c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 12940c0d06caSMauro Carvalho Chehab 1, 0); 12950c0d06caSMauro Carvalho Chehab } 12960c0d06caSMauro Carvalho Chehab 12976b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 129846f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 12990c0d06caSMauro Carvalho Chehab 13000c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 13010c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 13020c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1303e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 13040c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 13050c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 130658159171SFrank Schaefer if (v4l2->progressive) 13070c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 13080c0d06caSMauro Carvalho Chehab else 130958159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 13100c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 131151dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 13120c0d06caSMauro Carvalho Chehab 13130c0d06caSMauro Carvalho Chehab return 0; 13140c0d06caSMauro Carvalho Chehab } 13150c0d06caSMauro Carvalho Chehab 13160c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 13170c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 13180c0d06caSMauro Carvalho Chehab { 13190c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 1320753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13210c0d06caSMauro Carvalho Chehab 13220c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 13230c0d06caSMauro Carvalho Chehab if (!fmt) 13240c0d06caSMauro Carvalho Chehab return -EINVAL; 13250c0d06caSMauro Carvalho Chehab 132606e20672SFrank Schaefer v4l2->format = fmt; 1327753aee77SFrank Schaefer v4l2->width = width; 1328753aee77SFrank Schaefer v4l2->height = height; 13290c0d06caSMauro Carvalho Chehab 13300c0d06caSMauro Carvalho Chehab /* set new image size */ 1331753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1332753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13330c0d06caSMauro Carvalho Chehab 13340c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 13350c0d06caSMauro Carvalho Chehab 13360c0d06caSMauro Carvalho Chehab return 0; 13370c0d06caSMauro Carvalho Chehab } 13380c0d06caSMauro Carvalho Chehab 13390c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 13400c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 13410c0d06caSMauro Carvalho Chehab { 1342d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 13430c0d06caSMauro Carvalho Chehab 1344d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1345d3829fadSDevin Heitmueller return -EBUSY; 13460c0d06caSMauro Carvalho Chehab 13470c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 13480c0d06caSMauro Carvalho Chehab 13490c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 13500c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 13510c0d06caSMauro Carvalho Chehab } 13520c0d06caSMauro Carvalho Chehab 13530c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 13540c0d06caSMauro Carvalho Chehab { 13550c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13560c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13570c0d06caSMauro Carvalho Chehab 135852faaf78SFrank Schaefer *norm = dev->v4l2->norm; 13590c0d06caSMauro Carvalho Chehab 13600c0d06caSMauro Carvalho Chehab return 0; 13610c0d06caSMauro Carvalho Chehab } 13620c0d06caSMauro Carvalho Chehab 13630c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 13640c0d06caSMauro Carvalho Chehab { 13650c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13660c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 13670c0d06caSMauro Carvalho Chehab 136895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 13690c0d06caSMauro Carvalho Chehab 13700c0d06caSMauro Carvalho Chehab return 0; 13710c0d06caSMauro Carvalho Chehab } 13720c0d06caSMauro Carvalho Chehab 1373314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 13740c0d06caSMauro Carvalho Chehab { 13750c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 13760c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1377753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 13780c0d06caSMauro Carvalho Chehab struct v4l2_format f; 13790c0d06caSMauro Carvalho Chehab 138052faaf78SFrank Schaefer if (norm == v4l2->norm) 1381d8c95c08SHans Verkuil return 0; 13820c0d06caSMauro Carvalho Chehab 1383d3829fadSDevin Heitmueller if (dev->streaming_users > 0) 1384d8c95c08SHans Verkuil return -EBUSY; 1385d8c95c08SHans Verkuil 138652faaf78SFrank Schaefer v4l2->norm = norm; 13870c0d06caSMauro Carvalho Chehab 13880c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1389d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1390314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 13910c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 13920c0d06caSMauro Carvalho Chehab 13930c0d06caSMauro Carvalho Chehab /* set new image size */ 1394753aee77SFrank Schaefer v4l2->width = f.fmt.pix.width; 1395753aee77SFrank Schaefer v4l2->height = f.fmt.pix.height; 1396753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1397753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 13980c0d06caSMauro Carvalho Chehab 13990c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 140052faaf78SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm); 14010c0d06caSMauro Carvalho Chehab 14020c0d06caSMauro Carvalho Chehab return 0; 14030c0d06caSMauro Carvalho Chehab } 14040c0d06caSMauro Carvalho Chehab 14050c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 14060c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14070c0d06caSMauro Carvalho Chehab { 14080c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14090c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 141052faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14110c0d06caSMauro Carvalho Chehab int rc = 0; 14120c0d06caSMauro Carvalho Chehab 141386ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 14140c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 141552faaf78SFrank Schaefer rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, 14160c0d06caSMauro Carvalho Chehab video, g_parm, p); 14170c0d06caSMauro Carvalho Chehab else 141852faaf78SFrank Schaefer v4l2_video_std_frame_period(v4l2->norm, 14190c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 14200c0d06caSMauro Carvalho Chehab 14210c0d06caSMauro Carvalho Chehab return rc; 14220c0d06caSMauro Carvalho Chehab } 14230c0d06caSMauro Carvalho Chehab 14240c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 14250c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 14260c0d06caSMauro Carvalho Chehab { 14270c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14280c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14290c0d06caSMauro Carvalho Chehab 143086ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 143195d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 143295d2608bSFrank Schaefer 0, video, s_parm, p); 14330c0d06caSMauro Carvalho Chehab } 14340c0d06caSMauro Carvalho Chehab 14350c0d06caSMauro Carvalho Chehab static const char *iname[] = { 14360c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE1] = "Composite1", 14370c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE2] = "Composite2", 14380c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE3] = "Composite3", 14390c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE4] = "Composite4", 14400c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 14410c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 14420c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_CABLE] = "Cable TV", 14430c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DVB] = "DVB", 14440c0d06caSMauro Carvalho Chehab [EM28XX_VMUX_DEBUG] = "for debug only", 14450c0d06caSMauro Carvalho Chehab }; 14460c0d06caSMauro Carvalho Chehab 14470c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 14480c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 14490c0d06caSMauro Carvalho Chehab { 14500c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14510c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14520c0d06caSMauro Carvalho Chehab unsigned int n; 14530c0d06caSMauro Carvalho Chehab 14540c0d06caSMauro Carvalho Chehab n = i->index; 14550c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 14560c0d06caSMauro Carvalho Chehab return -EINVAL; 14570c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 14580c0d06caSMauro Carvalho Chehab return -EINVAL; 14590c0d06caSMauro Carvalho Chehab 14600c0d06caSMauro Carvalho Chehab i->index = n; 14610c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 14620c0d06caSMauro Carvalho Chehab 14630c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 14640c0d06caSMauro Carvalho Chehab 14650c0d06caSMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || 14660c0d06caSMauro Carvalho Chehab (EM28XX_VMUX_CABLE == INPUT(n)->type)) 14670c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 14680c0d06caSMauro Carvalho Chehab 1469ef74a0b9SFrank Schaefer i->std = dev->v4l2->vdev->tvnorms; 1470d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1471d8c95c08SHans Verkuil if (dev->board.is_webcam) 1472d8c95c08SHans Verkuil i->capabilities = 0; 14730c0d06caSMauro Carvalho Chehab 14740c0d06caSMauro Carvalho Chehab return 0; 14750c0d06caSMauro Carvalho Chehab } 14760c0d06caSMauro Carvalho Chehab 14770c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 14780c0d06caSMauro Carvalho Chehab { 14790c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14800c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14810c0d06caSMauro Carvalho Chehab 14820c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 14830c0d06caSMauro Carvalho Chehab 14840c0d06caSMauro Carvalho Chehab return 0; 14850c0d06caSMauro Carvalho Chehab } 14860c0d06caSMauro Carvalho Chehab 14870c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 14880c0d06caSMauro Carvalho Chehab { 14890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 14900c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 14910c0d06caSMauro Carvalho Chehab 14920c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 14930c0d06caSMauro Carvalho Chehab return -EINVAL; 14940c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 14950c0d06caSMauro Carvalho Chehab return -EINVAL; 14960c0d06caSMauro Carvalho Chehab 14970c0d06caSMauro Carvalho Chehab video_mux(dev, i); 14980c0d06caSMauro Carvalho Chehab return 0; 14990c0d06caSMauro Carvalho Chehab } 15000c0d06caSMauro Carvalho Chehab 15010c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 15020c0d06caSMauro Carvalho Chehab { 15030c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15040c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15050c0d06caSMauro Carvalho Chehab 15060c0d06caSMauro Carvalho Chehab switch (a->index) { 15070c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 15080c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 15090c0d06caSMauro Carvalho Chehab break; 15100c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 15110c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 15120c0d06caSMauro Carvalho Chehab break; 15130c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 15140c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 15150c0d06caSMauro Carvalho Chehab break; 15160c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 15170c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 15180c0d06caSMauro Carvalho Chehab break; 15190c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 15200c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 15210c0d06caSMauro Carvalho Chehab break; 15220c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 15230c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 15240c0d06caSMauro Carvalho Chehab break; 15250c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 15260c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 15270c0d06caSMauro Carvalho Chehab break; 15280c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 15290c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 15300c0d06caSMauro Carvalho Chehab break; 15310c0d06caSMauro Carvalho Chehab default: 15320c0d06caSMauro Carvalho Chehab return -EINVAL; 15330c0d06caSMauro Carvalho Chehab } 15340c0d06caSMauro Carvalho Chehab 15350c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 15360c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 15370c0d06caSMauro Carvalho Chehab 15380c0d06caSMauro Carvalho Chehab return 0; 15390c0d06caSMauro Carvalho Chehab } 15400c0d06caSMauro Carvalho Chehab 15410e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 15420c0d06caSMauro Carvalho Chehab { 15430c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15440c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15450c0d06caSMauro Carvalho Chehab 15460c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 15470c0d06caSMauro Carvalho Chehab return -EINVAL; 15480c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 15490c0d06caSMauro Carvalho Chehab return -EINVAL; 15500c0d06caSMauro Carvalho Chehab 15510c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 15520c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 15530c0d06caSMauro Carvalho Chehab 15540c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 15550c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 15560c0d06caSMauro Carvalho Chehab 15570c0d06caSMauro Carvalho Chehab return 0; 15580c0d06caSMauro Carvalho Chehab } 15590c0d06caSMauro Carvalho Chehab 15600c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 15610c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 15620c0d06caSMauro Carvalho Chehab { 15630c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15640c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15650c0d06caSMauro Carvalho Chehab 15660c0d06caSMauro Carvalho Chehab if (0 != t->index) 15670c0d06caSMauro Carvalho Chehab return -EINVAL; 15680c0d06caSMauro Carvalho Chehab 15690c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 15700c0d06caSMauro Carvalho Chehab 157195d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 15720c0d06caSMauro Carvalho Chehab return 0; 15730c0d06caSMauro Carvalho Chehab } 15740c0d06caSMauro Carvalho Chehab 15750c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 15762f73c7c5SHans Verkuil const struct v4l2_tuner *t) 15770c0d06caSMauro Carvalho Chehab { 15780c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15790c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15800c0d06caSMauro Carvalho Chehab 15810c0d06caSMauro Carvalho Chehab if (0 != t->index) 15820c0d06caSMauro Carvalho Chehab return -EINVAL; 15830c0d06caSMauro Carvalho Chehab 158495d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 15850c0d06caSMauro Carvalho Chehab return 0; 15860c0d06caSMauro Carvalho Chehab } 15870c0d06caSMauro Carvalho Chehab 15880c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 15890c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 15900c0d06caSMauro Carvalho Chehab { 15910c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 15920c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 15930c0d06caSMauro Carvalho Chehab 159420deebfeSHans Verkuil if (0 != f->tuner) 159520deebfeSHans Verkuil return -EINVAL; 159620deebfeSHans Verkuil 15970c0d06caSMauro Carvalho Chehab f->frequency = dev->ctl_freq; 15980c0d06caSMauro Carvalho Chehab return 0; 15990c0d06caSMauro Carvalho Chehab } 16000c0d06caSMauro Carvalho Chehab 16010c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1602b530a447SHans Verkuil const struct v4l2_frequency *f) 16030c0d06caSMauro Carvalho Chehab { 1604b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 16050c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16060c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 160795d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16080c0d06caSMauro Carvalho Chehab 16090c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 16100c0d06caSMauro Carvalho Chehab return -EINVAL; 16110c0d06caSMauro Carvalho Chehab 161295d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 161395d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 1614b530a447SHans Verkuil dev->ctl_freq = new_freq.frequency; 16150c0d06caSMauro Carvalho Chehab 16160c0d06caSMauro Carvalho Chehab return 0; 16170c0d06caSMauro Carvalho Chehab } 16180c0d06caSMauro Carvalho Chehab 1619cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 162096b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 162196b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 16223b2d17b4SHans Verkuil { 16233b2d17b4SHans Verkuil struct em28xx_fh *fh = priv; 16243b2d17b4SHans Verkuil struct em28xx *dev = fh->dev; 16253b2d17b4SHans Verkuil 16263b2d17b4SHans Verkuil if (chip->match.addr > 1) 16273b2d17b4SHans Verkuil return -EINVAL; 16283b2d17b4SHans Verkuil if (chip->match.addr == 1) 16293b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 16303b2d17b4SHans Verkuil else 163195d2608bSFrank Schaefer strlcpy(chip->name, 163295d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 16333b2d17b4SHans Verkuil return 0; 16343b2d17b4SHans Verkuil } 16353b2d17b4SHans Verkuil 163635deba32SFrank Schaefer static int em28xx_reg_len(int reg) 163735deba32SFrank Schaefer { 163835deba32SFrank Schaefer switch (reg) { 163935deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 164035deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 164135deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 164235deba32SFrank Schaefer return 2; 164335deba32SFrank Schaefer default: 164435deba32SFrank Schaefer return 1; 164535deba32SFrank Schaefer } 164635deba32SFrank Schaefer } 16470c0d06caSMauro Carvalho Chehab 16480c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 16490c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 16500c0d06caSMauro Carvalho Chehab { 16510c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16520c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16530c0d06caSMauro Carvalho Chehab int ret; 16540c0d06caSMauro Carvalho Chehab 16553b2d17b4SHans Verkuil if (reg->match.addr > 1) 16563b2d17b4SHans Verkuil return -EINVAL; 1657abca2056SHans Verkuil if (reg->match.addr) { 16580c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 16590c0d06caSMauro Carvalho Chehab if (ret < 0) 16600c0d06caSMauro Carvalho Chehab return ret; 16610c0d06caSMauro Carvalho Chehab 16620c0d06caSMauro Carvalho Chehab reg->val = ret; 16630c0d06caSMauro Carvalho Chehab reg->size = 1; 16640c0d06caSMauro Carvalho Chehab return 0; 16650c0d06caSMauro Carvalho Chehab } 16660c0d06caSMauro Carvalho Chehab 16670c0d06caSMauro Carvalho Chehab /* Match host */ 16680c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 16690c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 16700c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 16710c0d06caSMauro Carvalho Chehab 16720c0d06caSMauro Carvalho Chehab if (ret < 0) 16730c0d06caSMauro Carvalho Chehab return ret; 16740c0d06caSMauro Carvalho Chehab 16750c0d06caSMauro Carvalho Chehab reg->val = ret; 16760c0d06caSMauro Carvalho Chehab } else { 16770c0d06caSMauro Carvalho Chehab __le16 val = 0; 167801c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 16790c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 16800c0d06caSMauro Carvalho Chehab if (ret < 0) 16810c0d06caSMauro Carvalho Chehab return ret; 16820c0d06caSMauro Carvalho Chehab 16830c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 16840c0d06caSMauro Carvalho Chehab } 16850c0d06caSMauro Carvalho Chehab 16860c0d06caSMauro Carvalho Chehab return 0; 16870c0d06caSMauro Carvalho Chehab } 16880c0d06caSMauro Carvalho Chehab 16890c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1690977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 16910c0d06caSMauro Carvalho Chehab { 16920c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 16930c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 16940c0d06caSMauro Carvalho Chehab __le16 buf; 16950c0d06caSMauro Carvalho Chehab 16963b2d17b4SHans Verkuil if (reg->match.addr > 1) 16973b2d17b4SHans Verkuil return -EINVAL; 1698abca2056SHans Verkuil if (reg->match.addr) 16990c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 17000c0d06caSMauro Carvalho Chehab 17010c0d06caSMauro Carvalho Chehab /* Match host */ 17020c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 17030c0d06caSMauro Carvalho Chehab 17040c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 17050c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 17060c0d06caSMauro Carvalho Chehab } 17070c0d06caSMauro Carvalho Chehab #endif 17080c0d06caSMauro Carvalho Chehab 17090c0d06caSMauro Carvalho Chehab 17100c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 17110c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 17120c0d06caSMauro Carvalho Chehab { 1713a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 17140c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17150c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1716ef74a0b9SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 17170c0d06caSMauro Carvalho Chehab 17180c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 17190c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 17200c0d06caSMauro Carvalho Chehab usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 17210c0d06caSMauro Carvalho Chehab 1722a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1723a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1724a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1725a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1726a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1727a9d79fe5SHans Verkuil else 17281d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 17290c0d06caSMauro Carvalho Chehab 17300c0d06caSMauro Carvalho Chehab if (dev->audio_mode.has_audio) 1731a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 17320c0d06caSMauro Carvalho Chehab 17330c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1734a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 17350c0d06caSMauro Carvalho Chehab 1736a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1737a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1738ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 17391d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1740ef74a0b9SFrank Schaefer if (v4l2->radio_dev) 1741a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 17420c0d06caSMauro Carvalho Chehab return 0; 17430c0d06caSMauro Carvalho Chehab } 17440c0d06caSMauro Carvalho Chehab 17450c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 17460c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 17470c0d06caSMauro Carvalho Chehab { 17480c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 17490c0d06caSMauro Carvalho Chehab return -EINVAL; 17500c0d06caSMauro Carvalho Chehab 17510c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 17520c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 17530c0d06caSMauro Carvalho Chehab 17540c0d06caSMauro Carvalho Chehab return 0; 17550c0d06caSMauro Carvalho Chehab } 17560c0d06caSMauro Carvalho Chehab 17570c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 17580c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 17590c0d06caSMauro Carvalho Chehab { 17600c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 17610c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 17620c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 17630c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 17640c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 17650c0d06caSMauro Carvalho Chehab 17660c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 17670c0d06caSMauro Carvalho Chehab if (!fmt) { 17680c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 17690c0d06caSMauro Carvalho Chehab fsize->pixel_format); 17700c0d06caSMauro Carvalho Chehab return -EINVAL; 17710c0d06caSMauro Carvalho Chehab } 17720c0d06caSMauro Carvalho Chehab 17730c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 17740c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 17750c0d06caSMauro Carvalho Chehab return -EINVAL; 17760c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 17770c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 17780c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 17790c0d06caSMauro Carvalho Chehab return 0; 17800c0d06caSMauro Carvalho Chehab } 17810c0d06caSMauro Carvalho Chehab 17820c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 17830c0d06caSMauro Carvalho Chehab return -EINVAL; 17840c0d06caSMauro Carvalho Chehab 17850c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 17860c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 17876c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 17886c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 17896c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 17900c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 17916c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 17926c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 17930c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 17940c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 17950c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 17960c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 17970c0d06caSMauro Carvalho Chehab return 0; 17980c0d06caSMauro Carvalho Chehab } 17990c0d06caSMauro Carvalho Chehab 18000c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 18010c0d06caSMauro Carvalho Chehab 18020c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 18030c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 18040c0d06caSMauro Carvalho Chehab { 18050c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = priv; 18060c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 1807753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18080c0d06caSMauro Carvalho Chehab 1809753aee77SFrank Schaefer format->fmt.vbi.samples_per_line = v4l2->vbi_width; 18100c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 18110c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 18120c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 18130c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 1814753aee77SFrank Schaefer format->fmt.vbi.count[0] = v4l2->vbi_height; 1815753aee77SFrank Schaefer format->fmt.vbi.count[1] = v4l2->vbi_height; 18162a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 18170c0d06caSMauro Carvalho Chehab 18180c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 181952faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 18200c0d06caSMauro Carvalho Chehab /* NTSC */ 18210c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 18220c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 182352faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 18240c0d06caSMauro Carvalho Chehab /* PAL */ 18250c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 18260c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 18270c0d06caSMauro Carvalho Chehab } 18280c0d06caSMauro Carvalho Chehab 18290c0d06caSMauro Carvalho Chehab return 0; 18300c0d06caSMauro Carvalho Chehab } 18310c0d06caSMauro Carvalho Chehab 18320c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18330c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 18340c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 18350c0d06caSMauro Carvalho Chehab 18360c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 18370c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 18380c0d06caSMauro Carvalho Chehab { 18390c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18400c0d06caSMauro Carvalho Chehab 18410c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 18420c0d06caSMauro Carvalho Chehab return -EINVAL; 18430c0d06caSMauro Carvalho Chehab 18440c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 18450c0d06caSMauro Carvalho Chehab 184695d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 18470c0d06caSMauro Carvalho Chehab 18480c0d06caSMauro Carvalho Chehab return 0; 18490c0d06caSMauro Carvalho Chehab } 18500c0d06caSMauro Carvalho Chehab 18510c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 18522f73c7c5SHans Verkuil const struct v4l2_tuner *t) 18530c0d06caSMauro Carvalho Chehab { 18540c0d06caSMauro Carvalho Chehab struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; 18550c0d06caSMauro Carvalho Chehab 18560c0d06caSMauro Carvalho Chehab if (0 != t->index) 18570c0d06caSMauro Carvalho Chehab return -EINVAL; 18580c0d06caSMauro Carvalho Chehab 185995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 18600c0d06caSMauro Carvalho Chehab 18610c0d06caSMauro Carvalho Chehab return 0; 18620c0d06caSMauro Carvalho Chehab } 18630c0d06caSMauro Carvalho Chehab 18640c0d06caSMauro Carvalho Chehab /* 186595d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 186695d2608bSFrank Schaefer * 186795d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 186895d2608bSFrank Schaefer * 186995d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 187095d2608bSFrank Schaefer */ 187195d2608bSFrank Schaefer void em28xx_free_v4l2(struct kref *ref) 187295d2608bSFrank Schaefer { 187395d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 187495d2608bSFrank Schaefer 1875abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 187695d2608bSFrank Schaefer kfree(v4l2); 187795d2608bSFrank Schaefer } 187895d2608bSFrank Schaefer 187995d2608bSFrank Schaefer /* 18800c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 18810c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 18820c0d06caSMauro Carvalho Chehab */ 18830c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 18840c0d06caSMauro Carvalho Chehab { 18850c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 18860c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 188795d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 18880c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 18890c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh; 18900c0d06caSMauro Carvalho Chehab 18910c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 18920c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 18930c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 18940c0d06caSMauro Carvalho Chehab break; 18950c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 18960c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 18970c0d06caSMauro Carvalho Chehab break; 18984e170240SFrank Schaefer case VFL_TYPE_RADIO: 18994e170240SFrank Schaefer break; 19004e170240SFrank Schaefer default: 19014e170240SFrank Schaefer return -EINVAL; 19020c0d06caSMauro Carvalho Chehab } 19030c0d06caSMauro Carvalho Chehab 19040c0d06caSMauro Carvalho Chehab em28xx_videodbg("open dev=%s type=%s users=%d\n", 19050c0d06caSMauro Carvalho Chehab video_device_node_name(vdev), v4l2_type_names[fh_type], 19060c0d06caSMauro Carvalho Chehab dev->users); 19070c0d06caSMauro Carvalho Chehab 19080c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 19090c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 19100c0d06caSMauro Carvalho Chehab fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); 19110c0d06caSMauro Carvalho Chehab if (!fh) { 19120c0d06caSMauro Carvalho Chehab em28xx_errdev("em28xx-video.c: Out of memory?!\n"); 19130c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 19140c0d06caSMauro Carvalho Chehab return -ENOMEM; 19150c0d06caSMauro Carvalho Chehab } 191669a61642SHans Verkuil v4l2_fh_init(&fh->fh, vdev); 19170c0d06caSMauro Carvalho Chehab fh->dev = dev; 19180c0d06caSMauro Carvalho Chehab fh->type = fh_type; 19190c0d06caSMauro Carvalho Chehab filp->private_data = fh; 19200c0d06caSMauro Carvalho Chehab 19214e170240SFrank Schaefer if (dev->users == 0) { 19220c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 19234e170240SFrank Schaefer 19244e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 19250c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 19260c0d06caSMauro Carvalho Chehab 19274e170240SFrank Schaefer /* 19284e170240SFrank Schaefer * Needed, since GPIO might have disabled power 19294e170240SFrank Schaefer * of some i2c devices 19300c0d06caSMauro Carvalho Chehab */ 19310c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 19320c0d06caSMauro Carvalho Chehab } 1933d3829fadSDevin Heitmueller 1934d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 19350c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 193695d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 19370c0d06caSMauro Carvalho Chehab } 19380c0d06caSMauro Carvalho Chehab 193947677e51SMauro Carvalho Chehab kref_get(&dev->ref); 194095d2608bSFrank Schaefer kref_get(&v4l2->ref); 19410c0d06caSMauro Carvalho Chehab dev->users++; 19420c0d06caSMauro Carvalho Chehab 19430c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 194469a61642SHans Verkuil v4l2_fh_add(&fh->fh); 19450c0d06caSMauro Carvalho Chehab 1946d3829fadSDevin Heitmueller return 0; 19470c0d06caSMauro Carvalho Chehab } 19480c0d06caSMauro Carvalho Chehab 19490c0d06caSMauro Carvalho Chehab /* 195001c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 19510c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 19520c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 19530c0d06caSMauro Carvalho Chehab */ 195401c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 19550c0d06caSMauro Carvalho Chehab { 195695d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 195795d2608bSFrank Schaefer 1958822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 1959822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 1960822b8deaSMauro Carvalho Chehab return 0; 1961822b8deaSMauro Carvalho Chehab } 1962822b8deaSMauro Carvalho Chehab 196301c28193SMauro Carvalho Chehab if (!dev->has_video) { 196401c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 196501c28193SMauro Carvalho Chehab return 0; 196601c28193SMauro Carvalho Chehab } 19670c0d06caSMauro Carvalho Chehab 196895d2608bSFrank Schaefer if (v4l2 == NULL) 196995d2608bSFrank Schaefer return 0; 197095d2608bSFrank Schaefer 1971aa929ad7SMauro Carvalho Chehab em28xx_info("Closing video extension"); 1972aa929ad7SMauro Carvalho Chehab 1973ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 1974ebbfbc20SMauro Carvalho Chehab 197595d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 19765ad10de6SFrank Schaefer 197723e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 197823e8642cSFrank Schaefer 1979ef74a0b9SFrank Schaefer if (v4l2->radio_dev) { 1980e847022aSFrank Schaefer em28xx_info("V4L2 device %s deregistered\n", 1981ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 1982ef74a0b9SFrank Schaefer video_unregister_device(v4l2->radio_dev); 19830c0d06caSMauro Carvalho Chehab } 1984ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) { 19850c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1986ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 1987ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vbi_dev); 19880c0d06caSMauro Carvalho Chehab } 1989ef74a0b9SFrank Schaefer if (v4l2->vdev) { 19900c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 device %s deregistered\n", 1991ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 1992ef74a0b9SFrank Schaefer video_unregister_device(v4l2->vdev); 19930c0d06caSMauro Carvalho Chehab } 199401c28193SMauro Carvalho Chehab 1995abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 199695d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 1997103f18a2SFrank Schaefer 19982c52a2fcSFrank Schaefer if (v4l2->clk) { 19992c52a2fcSFrank Schaefer v4l2_clk_unregister_fixed(v4l2->clk); 20002c52a2fcSFrank Schaefer v4l2->clk = NULL; 200125dd1652SFrank Schaefer } 200225dd1652SFrank Schaefer 200395d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 200495d2608bSFrank Schaefer 2005ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 200695d2608bSFrank Schaefer 200747677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 20085ad10de6SFrank Schaefer 200901c28193SMauro Carvalho Chehab return 0; 20100c0d06caSMauro Carvalho Chehab } 20110c0d06caSMauro Carvalho Chehab 2012a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 2013a61f6811SShuah Khan { 2014a61f6811SShuah Khan if (dev->is_audio_only) 2015a61f6811SShuah Khan return 0; 2016a61f6811SShuah Khan 2017a61f6811SShuah Khan if (!dev->has_video) 2018a61f6811SShuah Khan return 0; 2019a61f6811SShuah Khan 2020a61f6811SShuah Khan em28xx_info("Suspending video extension"); 2021a61f6811SShuah Khan em28xx_stop_urbs(dev); 2022a61f6811SShuah Khan return 0; 2023a61f6811SShuah Khan } 2024a61f6811SShuah Khan 2025a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2026a61f6811SShuah Khan { 2027a61f6811SShuah Khan if (dev->is_audio_only) 2028a61f6811SShuah Khan return 0; 2029a61f6811SShuah Khan 2030a61f6811SShuah Khan if (!dev->has_video) 2031a61f6811SShuah Khan return 0; 2032a61f6811SShuah Khan 2033a61f6811SShuah Khan em28xx_info("Resuming video extension"); 2034a61f6811SShuah Khan /* what do we do here */ 2035a61f6811SShuah Khan return 0; 2036a61f6811SShuah Khan } 2037a61f6811SShuah Khan 20380c0d06caSMauro Carvalho Chehab /* 20390c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 20400c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 20410c0d06caSMauro Carvalho Chehab * calls and ioctls 20420c0d06caSMauro Carvalho Chehab */ 20430c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 20440c0d06caSMauro Carvalho Chehab { 20450c0d06caSMauro Carvalho Chehab struct em28xx_fh *fh = filp->private_data; 20460c0d06caSMauro Carvalho Chehab struct em28xx *dev = fh->dev; 204795d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20480c0d06caSMauro Carvalho Chehab int errCode; 20490c0d06caSMauro Carvalho Chehab 20500c0d06caSMauro Carvalho Chehab em28xx_videodbg("users=%d\n", dev->users); 20510c0d06caSMauro Carvalho Chehab 2052d3829fadSDevin Heitmueller vb2_fop_release(filp); 205398c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 20540c0d06caSMauro Carvalho Chehab 20550c0d06caSMauro Carvalho Chehab if (dev->users == 1) { 205647677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 205747677e51SMauro Carvalho Chehab if (dev->disconnected) 205801c28193SMauro Carvalho Chehab goto exit; 20590c0d06caSMauro Carvalho Chehab 20600c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 206195d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 20620c0d06caSMauro Carvalho Chehab 20630c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 20640c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 20650c0d06caSMauro Carvalho Chehab 20660c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 20670c0d06caSMauro Carvalho Chehab dev->alt = 0; 20680c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 20690c0d06caSMauro Carvalho Chehab errCode = usb_set_interface(dev->udev, 0, 0); 20700c0d06caSMauro Carvalho Chehab if (errCode < 0) { 20710c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot change alternate number to " 20720c0d06caSMauro Carvalho Chehab "0 (error=%i)\n", errCode); 20730c0d06caSMauro Carvalho Chehab } 20740c0d06caSMauro Carvalho Chehab } 20750c0d06caSMauro Carvalho Chehab 207601c28193SMauro Carvalho Chehab exit: 207795d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 20780c0d06caSMauro Carvalho Chehab dev->users--; 20790c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 208047677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 208147677e51SMauro Carvalho Chehab 20820c0d06caSMauro Carvalho Chehab return 0; 20830c0d06caSMauro Carvalho Chehab } 20840c0d06caSMauro Carvalho Chehab 20850c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 20860c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 20870c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 20880c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2089d3829fadSDevin Heitmueller .read = vb2_fop_read, 2090d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2091d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 20920c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 20930c0d06caSMauro Carvalho Chehab }; 20940c0d06caSMauro Carvalho Chehab 20950c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 20960c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 20970c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 20980c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 20990c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 21000c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 21010c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 21022a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2103aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 21040c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 21050c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 21060c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 21070c0d06caSMauro Carvalho Chehab 2108d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2109d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2110d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2111d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2112d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2113d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2114d3829fadSDevin Heitmueller 21150c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 21160c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 21170c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 21180c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 21190c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 21200c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 21210c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 21220c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2123d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2124d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 21250c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 21260c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 21270c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21280c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 212950fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 213050fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21310c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 213296b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 21330c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21340c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21350c0d06caSMauro Carvalho Chehab #endif 21360c0d06caSMauro Carvalho Chehab }; 21370c0d06caSMauro Carvalho Chehab 21380c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 21390c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 21400c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2141ef74a0b9SFrank Schaefer .release = video_device_release, 21420c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 21430c0d06caSMauro Carvalho Chehab }; 21440c0d06caSMauro Carvalho Chehab 21450c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 21460c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 21470c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 21480c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 21490c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 21500c0d06caSMauro Carvalho Chehab }; 21510c0d06caSMauro Carvalho Chehab 21520c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2153a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 21540c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 21550c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 21560c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 21570c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 215850fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 215950fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 21600c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2161430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 21620c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 21630c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 21640c0d06caSMauro Carvalho Chehab #endif 21650c0d06caSMauro Carvalho Chehab }; 21660c0d06caSMauro Carvalho Chehab 21670c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 21680c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 21690c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2170ef74a0b9SFrank Schaefer .release = video_device_release, 21710c0d06caSMauro Carvalho Chehab }; 21720c0d06caSMauro Carvalho Chehab 2173b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2174b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2175b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2176b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2177b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2178b64f8e9aSMauro Carvalho Chehab 2179b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2180b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2181b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2182b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2183b64f8e9aSMauro Carvalho Chehab }; 2184b64f8e9aSMauro Carvalho Chehab 2185b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2186b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2187b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2188b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2189b64f8e9aSMauro Carvalho Chehab }; 2190b64f8e9aSMauro Carvalho Chehab 21910c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 21920c0d06caSMauro Carvalho Chehab 21930c0d06caSMauro Carvalho Chehab static struct video_device *em28xx_vdev_init(struct em28xx *dev, 21940c0d06caSMauro Carvalho Chehab const struct video_device *template, 21950c0d06caSMauro Carvalho Chehab const char *type_name) 21960c0d06caSMauro Carvalho Chehab { 21970c0d06caSMauro Carvalho Chehab struct video_device *vfd; 21980c0d06caSMauro Carvalho Chehab 21990c0d06caSMauro Carvalho Chehab vfd = video_device_alloc(); 22000c0d06caSMauro Carvalho Chehab if (NULL == vfd) 22010c0d06caSMauro Carvalho Chehab return NULL; 22020c0d06caSMauro Carvalho Chehab 22030c0d06caSMauro Carvalho Chehab *vfd = *template; 220495d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 22050c0d06caSMauro Carvalho Chehab vfd->debug = video_debug; 22060c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 220769a61642SHans Verkuil set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); 2208d8c95c08SHans Verkuil if (dev->board.is_webcam) 2209d8c95c08SHans Verkuil vfd->tvnorms = 0; 22100c0d06caSMauro Carvalho Chehab 22110c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 22120c0d06caSMauro Carvalho Chehab dev->name, type_name); 22130c0d06caSMauro Carvalho Chehab 22140c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 22150c0d06caSMauro Carvalho Chehab return vfd; 22160c0d06caSMauro Carvalho Chehab } 22170c0d06caSMauro Carvalho Chehab 221801c28193SMauro Carvalho Chehab static void em28xx_tuner_setup(struct em28xx *dev) 22190560f337SMauro Carvalho Chehab { 222095d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 22210560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 22220560f337SMauro Carvalho Chehab struct v4l2_frequency f; 22230560f337SMauro Carvalho Chehab 22240560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_ABSENT) 22250560f337SMauro Carvalho Chehab return; 22260560f337SMauro Carvalho Chehab 22270560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 22280560f337SMauro Carvalho Chehab 22290560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 22300560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 22310560f337SMauro Carvalho Chehab 22320560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 22330560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 22340560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 22350560f337SMauro Carvalho Chehab 223695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 223795d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22380560f337SMauro Carvalho Chehab } 22390560f337SMauro Carvalho Chehab 22400560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 22410560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 22420560f337SMauro Carvalho Chehab tun_setup.addr = dev->tuner_addr; 22430560f337SMauro Carvalho Chehab 224495d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 224595d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 22460560f337SMauro Carvalho Chehab } 22470560f337SMauro Carvalho Chehab 22480560f337SMauro Carvalho Chehab if (dev->tda9887_conf) { 22490560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 22500560f337SMauro Carvalho Chehab 22510560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 22520560f337SMauro Carvalho Chehab tda9887_cfg.priv = &dev->tda9887_conf; 22530560f337SMauro Carvalho Chehab 225495d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 225595d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 22560560f337SMauro Carvalho Chehab } 22570560f337SMauro Carvalho Chehab 22580560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 22590560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 22600560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 22610560f337SMauro Carvalho Chehab 22620560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 22630560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 22640560f337SMauro Carvalho Chehab 22650560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 22660560f337SMauro Carvalho Chehab 22670560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 22680560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 22690560f337SMauro Carvalho Chehab 227095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 22710560f337SMauro Carvalho Chehab } 22720560f337SMauro Carvalho Chehab 22730560f337SMauro Carvalho Chehab /* configure tuner */ 22740560f337SMauro Carvalho Chehab f.tuner = 0; 22750560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 22760560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 22770560f337SMauro Carvalho Chehab dev->ctl_freq = f.frequency; 227895d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 22790560f337SMauro Carvalho Chehab } 22800560f337SMauro Carvalho Chehab 228101c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 22820c0d06caSMauro Carvalho Chehab { 22830c0d06caSMauro Carvalho Chehab u8 val; 22840c0d06caSMauro Carvalho Chehab int ret; 22850c0d06caSMauro Carvalho Chehab unsigned int maxw; 2286abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 228795d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2288b64f8e9aSMauro Carvalho Chehab 2289822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2290822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2291822b8deaSMauro Carvalho Chehab return 0; 2292822b8deaSMauro Carvalho Chehab } 2293822b8deaSMauro Carvalho Chehab 229401c28193SMauro Carvalho Chehab if (!dev->has_video) { 2295b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2296b64f8e9aSMauro Carvalho Chehab return 0; 2297b64f8e9aSMauro Carvalho Chehab } 22980c0d06caSMauro Carvalho Chehab 22999634614fSMauro Carvalho Chehab em28xx_info("Registering V4L2 extension\n"); 23000c0d06caSMauro Carvalho Chehab 230101c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 230201c28193SMauro Carvalho Chehab 230395d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 230495d2608bSFrank Schaefer if (v4l2 == NULL) { 230595d2608bSFrank Schaefer em28xx_info("em28xx_v4l: memory allocation failed\n"); 230695d2608bSFrank Schaefer mutex_unlock(&dev->lock); 230795d2608bSFrank Schaefer return -ENOMEM; 230895d2608bSFrank Schaefer } 230995d2608bSFrank Schaefer kref_init(&v4l2->ref); 2310abc1308fSFrank Schaefer v4l2->dev = dev; 231195d2608bSFrank Schaefer dev->v4l2 = v4l2; 231295d2608bSFrank Schaefer 231395d2608bSFrank Schaefer ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev); 2314b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2315b64f8e9aSMauro Carvalho Chehab em28xx_errdev("Call to v4l2_device_register() failed!\n"); 2316b64f8e9aSMauro Carvalho Chehab goto err; 2317b64f8e9aSMauro Carvalho Chehab } 2318b64f8e9aSMauro Carvalho Chehab 2319abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2320b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 232195d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2322b64f8e9aSMauro Carvalho Chehab 232358159171SFrank Schaefer if (dev->board.is_webcam) 232458159171SFrank Schaefer v4l2->progressive = 1; 232558159171SFrank Schaefer 2326b64f8e9aSMauro Carvalho Chehab /* 2327b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2328b64f8e9aSMauro Carvalho Chehab */ 23299297285eSFrank Schaefer v4l2->vinmode = 0x10; 23309297285eSFrank Schaefer v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | 2331b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2332b64f8e9aSMauro Carvalho Chehab 2333b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2334b64f8e9aSMauro Carvalho Chehab 2335b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 233695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 233795d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2338b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2339b64f8e9aSMauro Carvalho Chehab 2340b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 234195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2343b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2344b64f8e9aSMauro Carvalho Chehab 2345b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 234695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 234795d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2348b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2349b64f8e9aSMauro Carvalho Chehab 2350b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 235195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 235295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2353b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2354b64f8e9aSMauro Carvalho Chehab 2355b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2356b64f8e9aSMauro Carvalho Chehab 2357b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 2358b64f8e9aSMauro Carvalho Chehab int has_demod = (dev->tda9887_conf & TDA9887_PRESENT); 2359b64f8e9aSMauro Carvalho Chehab 2360b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 236195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 236295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2363b64f8e9aSMauro Carvalho Chehab "tuner", dev->board.radio_addr, NULL); 2364b64f8e9aSMauro Carvalho Chehab 2365b64f8e9aSMauro Carvalho Chehab if (has_demod) 236695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2367b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2368b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 2369b64f8e9aSMauro Carvalho Chehab if (dev->tuner_addr == 0) { 2370b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2371b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2372b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2373b64f8e9aSMauro Carvalho Chehab 237495d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2375b64f8e9aSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], "tuner", 2376b64f8e9aSMauro Carvalho Chehab 0, v4l2_i2c_tuner_addrs(type)); 2377b64f8e9aSMauro Carvalho Chehab 2378b64f8e9aSMauro Carvalho Chehab if (sd) 2379b64f8e9aSMauro Carvalho Chehab dev->tuner_addr = v4l2_i2c_subdev_addr(sd); 2380b64f8e9aSMauro Carvalho Chehab } else { 238195d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 238295d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2383b64f8e9aSMauro Carvalho Chehab "tuner", dev->tuner_addr, NULL); 2384b64f8e9aSMauro Carvalho Chehab } 2385b64f8e9aSMauro Carvalho Chehab } 2386b64f8e9aSMauro Carvalho Chehab 2387b64f8e9aSMauro Carvalho Chehab em28xx_tuner_setup(dev); 2388d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2389b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2390b64f8e9aSMauro Carvalho Chehab 2391b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2392b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2393b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2394b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: Error while setting audio - error [%d]!\n", 2395b64f8e9aSMauro Carvalho Chehab __func__, ret); 2396b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2397b64f8e9aSMauro Carvalho Chehab } 2398b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2399b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2400b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2401b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2402b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2403b64f8e9aSMauro Carvalho Chehab } else { 2404b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2405b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2406b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2407b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2408b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2409b64f8e9aSMauro Carvalho Chehab } 2410b64f8e9aSMauro Carvalho Chehab 2411b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2412b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2413b64f8e9aSMauro Carvalho Chehab 2414b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2415b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2416b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2417b64f8e9aSMauro Carvalho Chehab 2418b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2419b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2420b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2421b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2422b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2423b64f8e9aSMauro Carvalho Chehab __func__, ret); 2424b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2425b64f8e9aSMauro Carvalho Chehab } 2426b64f8e9aSMauro Carvalho Chehab msleep(3); 2427b64f8e9aSMauro Carvalho Chehab 2428b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2429b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 2430b64f8e9aSMauro Carvalho Chehab em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2431b64f8e9aSMauro Carvalho Chehab __func__, ret); 2432b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2433b64f8e9aSMauro Carvalho Chehab } 2434b64f8e9aSMauro Carvalho Chehab msleep(3); 2435b64f8e9aSMauro Carvalho Chehab } 2436b64f8e9aSMauro Carvalho Chehab 24370c0d06caSMauro Carvalho Chehab /* set default norm */ 243852faaf78SFrank Schaefer v4l2->norm = V4L2_STD_PAL; 243952faaf78SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm); 244058159171SFrank Schaefer v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; 24410c0d06caSMauro Carvalho Chehab 24420c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 244306e20672SFrank Schaefer v4l2->format = &format[0]; 24440c0d06caSMauro Carvalho Chehab 24450c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 24460c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 24470c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 24480c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 24490c0d06caSMauro Carvalho Chehab maxw /= 2; 24500c0d06caSMauro Carvalho Chehab 24510c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 24520c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 24530c0d06caSMauro Carvalho Chehab 24540c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 24550c0d06caSMauro Carvalho Chehab 24560c0d06caSMauro Carvalho Chehab /* Audio defaults */ 24570c0d06caSMauro Carvalho Chehab dev->mute = 1; 24580c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 24590c0d06caSMauro Carvalho Chehab 24600c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 24610c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 24620c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 24630c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 24640c0d06caSMauro Carvalho Chehab 24650c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 24660c0d06caSMauro Carvalho Chehab 24678f8b113aSFrank Schaefer /* Add image controls */ 24688f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 24698f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2470ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2471ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24728f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 24738f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2474ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2475ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24768f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 24778f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2478ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2479ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24808f8b113aSFrank Schaefer V4L2_CID_SATURATION, 24818f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2482ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2483ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24848f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 24858f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2486ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2487ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24888f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 24898f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2490ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2491ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 24928f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 24938f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 24948f8b113aSFrank Schaefer 24958f8b113aSFrank Schaefer /* Reset image controls */ 24968f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2497ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2498ad298055SFrank Schaefer ret = hdl->error; 2499b64f8e9aSMauro Carvalho Chehab if (ret) 2500b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25018f8b113aSFrank Schaefer 25020c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2503ef74a0b9SFrank Schaefer v4l2->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); 2504ef74a0b9SFrank Schaefer if (!v4l2->vdev) { 25050c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2506b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2507b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25080c0d06caSMauro Carvalho Chehab } 250927a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 251027a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 251127a36df6SFrank Schaefer v4l2->vdev->queue = &v4l2->vb_vidq; 251227a36df6SFrank Schaefer v4l2->vdev->queue->lock = &v4l2->vb_queue_lock; 25130c0d06caSMauro Carvalho Chehab 25146e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 25156e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2516ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_QUERYSTD); 2517ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_STD); 2518ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_STD); 25193bc85cceSFrank Schaefer } else { 2520ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 25216e46dabaSFrank Schaefer } 252266df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2523ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_TUNER); 2524ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_TUNER); 2525ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_FREQUENCY); 2526ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_FREQUENCY); 252766df67b7SFrank Schaefer } 2528c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2529ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_G_AUDIO); 2530ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_AUDIO); 2531c2dcef83SFrank Schaefer } 25326e46dabaSFrank Schaefer 25330c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2534ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vdev, VFL_TYPE_GRABBER, 25350c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 25360c0d06caSMauro Carvalho Chehab if (ret) { 25370c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register video device (error=%i).\n", 25380c0d06caSMauro Carvalho Chehab ret); 2539b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25400c0d06caSMauro Carvalho Chehab } 25410c0d06caSMauro Carvalho Chehab 25420c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 25430c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2544ef74a0b9SFrank Schaefer v4l2->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, 25450c0d06caSMauro Carvalho Chehab "vbi"); 25460c0d06caSMauro Carvalho Chehab 254727a36df6SFrank Schaefer v4l2->vbi_dev->queue = &v4l2->vb_vbiq; 254827a36df6SFrank Schaefer v4l2->vbi_dev->queue->lock = &v4l2->vb_vbi_queue_lock; 2549d3829fadSDevin Heitmueller 255066df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2551ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vdev, VIDIOC_S_PARM); 255266df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2553ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_TUNER); 2554ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_TUNER); 2555ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2556ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 255766df67b7SFrank Schaefer } 2558c2dcef83SFrank Schaefer if (!dev->audio_mode.has_audio) { 2559ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_G_AUDIO); 2560ef74a0b9SFrank Schaefer v4l2_disable_ioctl(v4l2->vbi_dev, VIDIOC_S_AUDIO); 2561c2dcef83SFrank Schaefer } 256266df67b7SFrank Schaefer 25630c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2564ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->vbi_dev, VFL_TYPE_VBI, 25650c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 25660c0d06caSMauro Carvalho Chehab if (ret < 0) { 25670c0d06caSMauro Carvalho Chehab em28xx_errdev("unable to register vbi device\n"); 2568b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25690c0d06caSMauro Carvalho Chehab } 25700c0d06caSMauro Carvalho Chehab } 25710c0d06caSMauro Carvalho Chehab 25720c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2573ef74a0b9SFrank Schaefer v4l2->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, 25740c0d06caSMauro Carvalho Chehab "radio"); 2575ef74a0b9SFrank Schaefer if (!v4l2->radio_dev) { 25760c0d06caSMauro Carvalho Chehab em28xx_errdev("cannot allocate video_device.\n"); 2577b64f8e9aSMauro Carvalho Chehab ret = -ENODEV; 2578b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25790c0d06caSMauro Carvalho Chehab } 2580ef74a0b9SFrank Schaefer ret = video_register_device(v4l2->radio_dev, VFL_TYPE_RADIO, 25810c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 25820c0d06caSMauro Carvalho Chehab if (ret < 0) { 25830c0d06caSMauro Carvalho Chehab em28xx_errdev("can't register radio device\n"); 2584b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 25850c0d06caSMauro Carvalho Chehab } 25860c0d06caSMauro Carvalho Chehab em28xx_info("Registered radio device as %s\n", 2587ef74a0b9SFrank Schaefer video_device_node_name(v4l2->radio_dev)); 25880c0d06caSMauro Carvalho Chehab } 25890c0d06caSMauro Carvalho Chehab 25900c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 video device registered as %s\n", 2591ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vdev)); 25920c0d06caSMauro Carvalho Chehab 2593ef74a0b9SFrank Schaefer if (v4l2->vbi_dev) 25940c0d06caSMauro Carvalho Chehab em28xx_info("V4L2 VBI device registered as %s\n", 2595ef74a0b9SFrank Schaefer video_device_node_name(v4l2->vbi_dev)); 25960c0d06caSMauro Carvalho Chehab 2597b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 259895d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2599b64f8e9aSMauro Carvalho Chehab 2600b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2601b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2602b64f8e9aSMauro Carvalho Chehab 26039634614fSMauro Carvalho Chehab em28xx_info("V4L2 extension successfully initialized\n"); 26049634614fSMauro Carvalho Chehab 260547677e51SMauro Carvalho Chehab kref_get(&dev->ref); 260647677e51SMauro Carvalho Chehab 260701c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 26080c0d06caSMauro Carvalho Chehab return 0; 2609b64f8e9aSMauro Carvalho Chehab 2610b64f8e9aSMauro Carvalho Chehab unregister_dev: 2611abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 261295d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2613b64f8e9aSMauro Carvalho Chehab err: 261495d2608bSFrank Schaefer dev->v4l2 = NULL; 261595d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 261601c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2617b64f8e9aSMauro Carvalho Chehab return ret; 26180c0d06caSMauro Carvalho Chehab } 261901c28193SMauro Carvalho Chehab 262001c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 262101c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 262201c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 262301c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 262401c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2625a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2626a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 262701c28193SMauro Carvalho Chehab }; 262801c28193SMauro Carvalho Chehab 262901c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 263001c28193SMauro Carvalho Chehab { 263101c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 263201c28193SMauro Carvalho Chehab } 263301c28193SMauro Carvalho Chehab 263401c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 263501c28193SMauro Carvalho Chehab { 263601c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 263701c28193SMauro Carvalho Chehab } 263801c28193SMauro Carvalho Chehab 263901c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 264001c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2641