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 298314d402SMauro Carvalho Chehab #include "em28xx.h" 308314d402SMauro Carvalho Chehab 310c0d06caSMauro Carvalho Chehab #include <linux/init.h> 320c0d06caSMauro Carvalho Chehab #include <linux/list.h> 330c0d06caSMauro Carvalho Chehab #include <linux/module.h> 340c0d06caSMauro Carvalho Chehab #include <linux/kernel.h> 350c0d06caSMauro Carvalho Chehab #include <linux/bitmap.h> 360c0d06caSMauro Carvalho Chehab #include <linux/usb.h> 370c0d06caSMauro Carvalho Chehab #include <linux/i2c.h> 380c0d06caSMauro Carvalho Chehab #include <linux/mm.h> 390c0d06caSMauro Carvalho Chehab #include <linux/mutex.h> 400c0d06caSMauro Carvalho Chehab #include <linux/slab.h> 410c0d06caSMauro Carvalho Chehab 4201c28193SMauro Carvalho Chehab #include "em28xx-v4l.h" 430c0d06caSMauro Carvalho Chehab #include <media/v4l2-common.h> 440c0d06caSMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 4550fdf40fSHans Verkuil #include <media/v4l2-event.h> 46d647f0b7SMauro Carvalho Chehab #include <media/drv-intf/msp3400.h> 470c0d06caSMauro Carvalho Chehab #include <media/tuner.h> 480c0d06caSMauro Carvalho Chehab 490c0d06caSMauro Carvalho Chehab #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ 500c0d06caSMauro Carvalho Chehab "Markus Rechberger <mrechberger@gmail.com>, " \ 510c0d06caSMauro Carvalho Chehab "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ 520c0d06caSMauro Carvalho Chehab "Sascha Sommer <saschasommer@freenet.de>" 530c0d06caSMauro Carvalho Chehab 540560f337SMauro Carvalho Chehab static unsigned int isoc_debug; 550560f337SMauro Carvalho Chehab module_param(isoc_debug, int, 0644); 560560f337SMauro Carvalho Chehab MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); 570560f337SMauro Carvalho Chehab 580560f337SMauro Carvalho Chehab static unsigned int disable_vbi; 590560f337SMauro Carvalho Chehab module_param(disable_vbi, int, 0644); 600560f337SMauro Carvalho Chehab MODULE_PARM_DESC(disable_vbi, "disable vbi support"); 610560f337SMauro Carvalho Chehab 620560f337SMauro Carvalho Chehab static int alt; 630560f337SMauro Carvalho Chehab module_param(alt, int, 0644); 640560f337SMauro Carvalho Chehab MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); 650560f337SMauro Carvalho Chehab 660c0d06caSMauro Carvalho Chehab #define em28xx_videodbg(fmt, arg...) do { \ 670c0d06caSMauro Carvalho Chehab if (video_debug) \ 6829b05e22SMauro Carvalho Chehab dev_printk(KERN_DEBUG, &dev->intf->dev, \ 69ce8591ffSMauro Carvalho Chehab "video: %s: " fmt, __func__, ## arg); \ 70ce8591ffSMauro Carvalho Chehab } while (0) 710c0d06caSMauro Carvalho Chehab 722a96f60eSMauro Carvalho Chehab #define em28xx_isocdbg(fmt, arg...) do {\ 732a96f60eSMauro Carvalho Chehab if (isoc_debug) \ 7429b05e22SMauro Carvalho Chehab dev_printk(KERN_DEBUG, &dev->intf->dev, \ 75ce8591ffSMauro Carvalho Chehab "isoc: %s: " fmt, __func__, ## arg); \ 76ce8591ffSMauro Carvalho Chehab } while (0) 770c0d06caSMauro Carvalho Chehab 780c0d06caSMauro Carvalho Chehab MODULE_AUTHOR(DRIVER_AUTHOR); 79d8992b09SMauro Carvalho Chehab MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface"); 800c0d06caSMauro Carvalho Chehab MODULE_LICENSE("GPL"); 810c0d06caSMauro Carvalho Chehab MODULE_VERSION(EM28XX_VERSION); 820c0d06caSMauro Carvalho Chehab 83e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE1 0x02 84e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE 0x20 85e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_END 0x02 86e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_FRAME_ID 0x01 87e507e0e5SFrank Schaefer #define EM25XX_FRMDATAHDR_BYTE2_MASK (EM25XX_FRMDATAHDR_BYTE2_STILL_IMAGE | \ 88e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END | \ 89e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID) 90e507e0e5SFrank Schaefer 91d3829fadSDevin Heitmueller static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 92d3829fadSDevin Heitmueller static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 93d3829fadSDevin Heitmueller static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = -1U }; 940c0d06caSMauro Carvalho Chehab 950c0d06caSMauro Carvalho Chehab module_param_array(video_nr, int, NULL, 0444); 960c0d06caSMauro Carvalho Chehab module_param_array(vbi_nr, int, NULL, 0444); 970c0d06caSMauro Carvalho Chehab module_param_array(radio_nr, int, NULL, 0444); 980c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_nr, "video device numbers"); 990c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 1000c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(radio_nr, "radio device numbers"); 1010c0d06caSMauro Carvalho Chehab 1020c0d06caSMauro Carvalho Chehab static unsigned int video_debug; 1030c0d06caSMauro Carvalho Chehab module_param(video_debug, int, 0644); 1040c0d06caSMauro Carvalho Chehab MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 1050c0d06caSMauro Carvalho Chehab 1060c0d06caSMauro Carvalho Chehab /* supported video standards */ 1070c0d06caSMauro Carvalho Chehab static struct em28xx_fmt format[] = { 1080c0d06caSMauro Carvalho Chehab { 1090c0d06caSMauro Carvalho Chehab .name = "16 bpp YUY2, 4:2:2, packed", 1100c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUYV, 1110c0d06caSMauro Carvalho Chehab .depth = 16, 1120c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, 1130c0d06caSMauro Carvalho Chehab }, { 1140c0d06caSMauro Carvalho Chehab .name = "16 bpp RGB 565, LE", 1150c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_RGB565, 1160c0d06caSMauro Carvalho Chehab .depth = 16, 1170c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_16_656, 1180c0d06caSMauro Carvalho Chehab }, { 119495ab569SFrank Schaefer .name = "8 bpp Bayer RGRG..GBGB", 120495ab569SFrank Schaefer .fourcc = V4L2_PIX_FMT_SRGGB8, 121495ab569SFrank Schaefer .depth = 8, 122495ab569SFrank Schaefer .reg = EM28XX_OUTFMT_RGB_8_RGRG, 123495ab569SFrank Schaefer }, { 1240c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer BGBG..GRGR", 1250c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SBGGR8, 1260c0d06caSMauro Carvalho Chehab .depth = 8, 1270c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_BGBG, 1280c0d06caSMauro Carvalho Chehab }, { 1290c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GRGR..BGBG", 1300c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGRBG8, 1310c0d06caSMauro Carvalho Chehab .depth = 8, 1320c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GRGR, 1330c0d06caSMauro Carvalho Chehab }, { 1340c0d06caSMauro Carvalho Chehab .name = "8 bpp Bayer GBGB..RGRG", 1350c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_SGBRG8, 1360c0d06caSMauro Carvalho Chehab .depth = 8, 1370c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_RGB_8_GBGB, 1380c0d06caSMauro Carvalho Chehab }, { 1390c0d06caSMauro Carvalho Chehab .name = "12 bpp YUV411", 1400c0d06caSMauro Carvalho Chehab .fourcc = V4L2_PIX_FMT_YUV411P, 1410c0d06caSMauro Carvalho Chehab .depth = 12, 1420c0d06caSMauro Carvalho Chehab .reg = EM28XX_OUTFMT_YUV411, 1430c0d06caSMauro Carvalho Chehab }, 1440c0d06caSMauro Carvalho Chehab }; 1450c0d06caSMauro Carvalho Chehab 14625c61e4cSFrank Schaefer /*FIXME: maxw should be dependent of alt mode */ 14725c61e4cSFrank Schaefer static inline unsigned int norm_maxw(struct em28xx *dev) 14825c61e4cSFrank Schaefer { 149d7dc18daSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 150d7dc18daSFrank Schaefer 15125c61e4cSFrank Schaefer if (dev->board.is_webcam) 152d7dc18daSFrank Schaefer return v4l2->sensor_xres; 15325c61e4cSFrank Schaefer 15425c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 15525c61e4cSFrank Schaefer return 640; 15625c61e4cSFrank Schaefer 15725c61e4cSFrank Schaefer return 720; 15825c61e4cSFrank Schaefer } 15925c61e4cSFrank Schaefer 16025c61e4cSFrank Schaefer static inline unsigned int norm_maxh(struct em28xx *dev) 16125c61e4cSFrank Schaefer { 16252faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 16352faaf78SFrank Schaefer 16425c61e4cSFrank Schaefer if (dev->board.is_webcam) 165d7dc18daSFrank Schaefer return v4l2->sensor_yres; 16625c61e4cSFrank Schaefer 16725c61e4cSFrank Schaefer if (dev->board.max_range_640_480) 16825c61e4cSFrank Schaefer return 480; 16925c61e4cSFrank Schaefer 17052faaf78SFrank Schaefer return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480; 17125c61e4cSFrank Schaefer } 17225c61e4cSFrank Schaefer 17301c28193SMauro Carvalho Chehab static int em28xx_vbi_supported(struct em28xx *dev) 1740560f337SMauro Carvalho Chehab { 1750560f337SMauro Carvalho Chehab /* Modprobe option to manually disable */ 1760560f337SMauro Carvalho Chehab if (disable_vbi == 1) 1770560f337SMauro Carvalho Chehab return 0; 1780560f337SMauro Carvalho Chehab 1790560f337SMauro Carvalho Chehab if (dev->board.is_webcam) 1800560f337SMauro Carvalho Chehab return 0; 1810560f337SMauro Carvalho Chehab 1820560f337SMauro Carvalho Chehab /* FIXME: check subdevices for VBI support */ 1830560f337SMauro Carvalho Chehab 1840560f337SMauro Carvalho Chehab if (dev->chip_id == CHIP_ID_EM2860 || 1850560f337SMauro Carvalho Chehab dev->chip_id == CHIP_ID_EM2883) 1860560f337SMauro Carvalho Chehab return 1; 1870560f337SMauro Carvalho Chehab 1880560f337SMauro Carvalho Chehab /* Version of em28xx that does not support VBI */ 1890560f337SMauro Carvalho Chehab return 0; 1900560f337SMauro Carvalho Chehab } 1910560f337SMauro Carvalho Chehab 1920560f337SMauro Carvalho Chehab /* 1930560f337SMauro Carvalho Chehab * em28xx_wake_i2c() 1940560f337SMauro Carvalho Chehab * configure i2c attached devices 1950560f337SMauro Carvalho Chehab */ 19601c28193SMauro Carvalho Chehab static void em28xx_wake_i2c(struct em28xx *dev) 1970560f337SMauro Carvalho Chehab { 19895d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 199fdf1bc9fSMauro Carvalho Chehab 20095d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, core, reset, 0); 20195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 2020560f337SMauro Carvalho Chehab INPUT(dev->ctl_input)->vmux, 0, 0); 2030560f337SMauro Carvalho Chehab } 2040560f337SMauro Carvalho Chehab 20501c28193SMauro Carvalho Chehab static int em28xx_colorlevels_set_default(struct em28xx *dev) 2060560f337SMauro Carvalho Chehab { 2070560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); 2080560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); 2090560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); 2100560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); 2110560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); 2120560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); 2130560f337SMauro Carvalho Chehab 2140560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); 2150560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); 2160560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20); 2170560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20); 2180560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00); 2190560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00); 2200560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); 2210560f337SMauro Carvalho Chehab } 2220560f337SMauro Carvalho Chehab 22301c28193SMauro Carvalho Chehab static int em28xx_set_outfmt(struct em28xx *dev) 2240560f337SMauro Carvalho Chehab { 2250560f337SMauro Carvalho Chehab int ret; 2260560f337SMauro Carvalho Chehab u8 fmt, vinctrl; 227753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 2280560f337SMauro Carvalho Chehab 22906e20672SFrank Schaefer fmt = v4l2->format->reg; 2300560f337SMauro Carvalho Chehab if (!dev->is_em25xx) 2310560f337SMauro Carvalho Chehab fmt |= 0x20; 2320560f337SMauro Carvalho Chehab /* 2330560f337SMauro Carvalho Chehab * NOTE: it's not clear if this is really needed ! 2340560f337SMauro Carvalho Chehab * The datasheets say bit 5 is a reserved bit and devices seem to work 2350560f337SMauro Carvalho Chehab * fine without it. But the Windows driver sets it for em2710/50+em28xx 2360560f337SMauro Carvalho Chehab * devices and we've always been setting it, too. 2370560f337SMauro Carvalho Chehab * 2380560f337SMauro Carvalho Chehab * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set, 2390560f337SMauro Carvalho Chehab * it's likely used for an additional (compressed ?) format there. 2400560f337SMauro Carvalho Chehab */ 2410560f337SMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt); 2420560f337SMauro Carvalho Chehab if (ret < 0) 2430560f337SMauro Carvalho Chehab return ret; 2440560f337SMauro Carvalho Chehab 2459297285eSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); 2460560f337SMauro Carvalho Chehab if (ret < 0) 2470560f337SMauro Carvalho Chehab return ret; 2480560f337SMauro Carvalho Chehab 2499297285eSFrank Schaefer vinctrl = v4l2->vinctl; 2500560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2510560f337SMauro Carvalho Chehab vinctrl |= EM28XX_VINCTRL_VBI_RAW; 2520560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); 253753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, v4l2->vbi_width/4); 254753aee77SFrank Schaefer em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height); 25552faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 2560560f337SMauro Carvalho Chehab /* NTSC */ 2570560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); 25852faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 2590560f337SMauro Carvalho Chehab /* PAL */ 2600560f337SMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); 2610560f337SMauro Carvalho Chehab } 2620560f337SMauro Carvalho Chehab } 2630560f337SMauro Carvalho Chehab 2640560f337SMauro Carvalho Chehab return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); 2650560f337SMauro Carvalho Chehab } 2660560f337SMauro Carvalho Chehab 2670560f337SMauro Carvalho Chehab static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, 2680560f337SMauro Carvalho Chehab u8 ymin, u8 ymax) 2690560f337SMauro Carvalho Chehab { 2700560f337SMauro Carvalho Chehab em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n", 2710560f337SMauro Carvalho Chehab xmin, ymin, xmax, ymax); 2720560f337SMauro Carvalho Chehab 2730560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); 2740560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); 2750560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); 2760560f337SMauro Carvalho Chehab return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); 2770560f337SMauro Carvalho Chehab } 2780560f337SMauro Carvalho Chehab 2790560f337SMauro Carvalho Chehab static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, 2800560f337SMauro Carvalho Chehab u16 width, u16 height) 2810560f337SMauro Carvalho Chehab { 2820560f337SMauro Carvalho Chehab u8 cwidth = width >> 2; 2830560f337SMauro Carvalho Chehab u8 cheight = height >> 2; 2840560f337SMauro Carvalho Chehab u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01); 2850560f337SMauro Carvalho Chehab /* NOTE: size limit: 2047x1023 = 2MPix */ 2860560f337SMauro Carvalho Chehab 2870560f337SMauro Carvalho Chehab em28xx_videodbg("capture area set to (%d,%d): %dx%d\n", 2880560f337SMauro Carvalho Chehab hstart, vstart, 2890560f337SMauro Carvalho Chehab ((overflow & 2) << 9 | cwidth << 2), 2900560f337SMauro Carvalho Chehab ((overflow & 1) << 10 | cheight << 2)); 2910560f337SMauro Carvalho Chehab 2920560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); 2930560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); 2940560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); 2950560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); 2960560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); 2970560f337SMauro Carvalho Chehab 2980560f337SMauro Carvalho Chehab /* FIXME: function/meaning of these registers ? */ 2990560f337SMauro Carvalho Chehab /* FIXME: align width+height to multiples of 4 ?! */ 3000560f337SMauro Carvalho Chehab if (dev->is_em25xx) { 3010560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x34, width >> 4); 3020560f337SMauro Carvalho Chehab em28xx_write_reg(dev, 0x35, height >> 4); 3030560f337SMauro Carvalho Chehab } 3040560f337SMauro Carvalho Chehab } 3050560f337SMauro Carvalho Chehab 3060560f337SMauro Carvalho Chehab static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) 3070560f337SMauro Carvalho Chehab { 308cba8e9b3SFrank Schaefer u8 mode = 0x00; 3090560f337SMauro Carvalho Chehab /* the em2800 scaler only supports scaling down to 50% */ 3100560f337SMauro Carvalho Chehab 3110560f337SMauro Carvalho Chehab if (dev->board.is_em2800) { 3120560f337SMauro Carvalho Chehab mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); 3130560f337SMauro Carvalho Chehab } else { 3140560f337SMauro Carvalho Chehab u8 buf[2]; 3150560f337SMauro Carvalho Chehab 3160560f337SMauro Carvalho Chehab buf[0] = h; 3170560f337SMauro Carvalho Chehab buf[1] = h >> 8; 3180560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); 3190560f337SMauro Carvalho Chehab 3200560f337SMauro Carvalho Chehab buf[0] = v; 3210560f337SMauro Carvalho Chehab buf[1] = v >> 8; 3220560f337SMauro Carvalho Chehab em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); 3230560f337SMauro Carvalho Chehab /* it seems that both H and V scalers must be active 3240560f337SMauro Carvalho Chehab to work correctly */ 3250560f337SMauro Carvalho Chehab mode = (h || v) ? 0x30 : 0x00; 3260560f337SMauro Carvalho Chehab } 327cba8e9b3SFrank Schaefer return em28xx_write_reg(dev, EM28XX_R26_COMPR, mode); 3280560f337SMauro Carvalho Chehab } 3290560f337SMauro Carvalho Chehab 3300560f337SMauro Carvalho Chehab /* FIXME: this only function read values from dev */ 33101c28193SMauro Carvalho Chehab static int em28xx_resolution_set(struct em28xx *dev) 3320560f337SMauro Carvalho Chehab { 333753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 334753aee77SFrank Schaefer int width = norm_maxw(dev); 335753aee77SFrank Schaefer int height = norm_maxh(dev); 3360560f337SMauro Carvalho Chehab 3370560f337SMauro Carvalho Chehab /* Properly setup VBI */ 338753aee77SFrank Schaefer v4l2->vbi_width = 720; 33952faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) 340753aee77SFrank Schaefer v4l2->vbi_height = 12; 3410560f337SMauro Carvalho Chehab else 342753aee77SFrank Schaefer v4l2->vbi_height = 18; 3430560f337SMauro Carvalho Chehab 3440560f337SMauro Carvalho Chehab em28xx_set_outfmt(dev); 3450560f337SMauro Carvalho Chehab 3460560f337SMauro Carvalho Chehab em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); 3470560f337SMauro Carvalho Chehab 3480560f337SMauro Carvalho Chehab /* If we don't set the start position to 2 in VBI mode, we end up 3490560f337SMauro Carvalho Chehab with line 20/21 being YUYV encoded instead of being in 8-bit 3500560f337SMauro Carvalho Chehab greyscale. The core of the issue is that line 21 (and line 23 for 3510560f337SMauro Carvalho Chehab PAL WSS) are inside of active video region, and as a result they 3520560f337SMauro Carvalho Chehab get the pixelformatting associated with that area. So by cropping 3530560f337SMauro Carvalho Chehab it out, we end up with the same format as the rest of the VBI 3540560f337SMauro Carvalho Chehab region */ 3550560f337SMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) 3560560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 2, width, height); 3570560f337SMauro Carvalho Chehab else 3580560f337SMauro Carvalho Chehab em28xx_capture_area_set(dev, 0, 0, width, height); 3590560f337SMauro Carvalho Chehab 360753aee77SFrank Schaefer return em28xx_scaler_set(dev, v4l2->hscale, v4l2->vscale); 3610560f337SMauro Carvalho Chehab } 3620560f337SMauro Carvalho Chehab 3630560f337SMauro Carvalho Chehab /* Set USB alternate setting for analog video */ 36401c28193SMauro Carvalho Chehab static int em28xx_set_alternate(struct em28xx *dev) 3650560f337SMauro Carvalho Chehab { 366753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 367c6d48134SMauro Carvalho Chehab struct usb_device *udev = interface_to_usbdev(dev->intf); 3680560f337SMauro Carvalho Chehab int errCode; 3690560f337SMauro Carvalho Chehab int i; 370753aee77SFrank Schaefer unsigned int min_pkt_size = v4l2->width * 2 + 4; 3710560f337SMauro Carvalho Chehab 3720560f337SMauro Carvalho Chehab /* NOTE: for isoc transfers, only alt settings > 0 are allowed 3730560f337SMauro Carvalho Chehab bulk transfers seem to work only with alt=0 ! */ 3740560f337SMauro Carvalho Chehab dev->alt = 0; 3750560f337SMauro Carvalho Chehab if ((alt > 0) && (alt < dev->num_alt)) { 3760560f337SMauro Carvalho Chehab em28xx_videodbg("alternate forced to %d\n", dev->alt); 3770560f337SMauro Carvalho Chehab dev->alt = alt; 3780560f337SMauro Carvalho Chehab goto set_alt; 3790560f337SMauro Carvalho Chehab } 3800560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) 3810560f337SMauro Carvalho Chehab goto set_alt; 3820560f337SMauro Carvalho Chehab 3830560f337SMauro Carvalho Chehab /* When image size is bigger than a certain value, 3840560f337SMauro Carvalho Chehab the frame size should be increased, otherwise, only 3850560f337SMauro Carvalho Chehab green screen will be received. 3860560f337SMauro Carvalho Chehab */ 387753aee77SFrank Schaefer if (v4l2->width * 2 * v4l2->height > 720 * 240 * 2) 3880560f337SMauro Carvalho Chehab min_pkt_size *= 2; 3890560f337SMauro Carvalho Chehab 3900560f337SMauro Carvalho Chehab for (i = 0; i < dev->num_alt; i++) { 3910560f337SMauro Carvalho Chehab /* stop when the selected alt setting offers enough bandwidth */ 3920560f337SMauro Carvalho Chehab if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) { 3930560f337SMauro Carvalho Chehab dev->alt = i; 3940560f337SMauro Carvalho Chehab break; 3950560f337SMauro Carvalho Chehab /* otherwise make sure that we end up with the maximum bandwidth 3960560f337SMauro Carvalho Chehab because the min_pkt_size equation might be wrong... 3970560f337SMauro Carvalho Chehab */ 3980560f337SMauro Carvalho Chehab } else if (dev->alt_max_pkt_size_isoc[i] > 3990560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]) 4000560f337SMauro Carvalho Chehab dev->alt = i; 4010560f337SMauro Carvalho Chehab } 4020560f337SMauro Carvalho Chehab 4030560f337SMauro Carvalho Chehab set_alt: 4040560f337SMauro Carvalho Chehab /* NOTE: for bulk transfers, we need to call usb_set_interface() 4050560f337SMauro Carvalho Chehab * even if the previous settings were the same. Otherwise streaming 4060560f337SMauro Carvalho Chehab * fails with all urbs having status = -EOVERFLOW ! */ 4070560f337SMauro Carvalho Chehab if (dev->analog_xfer_bulk) { 4080560f337SMauro Carvalho Chehab dev->max_pkt_size = 512; /* USB 2.0 spec */ 4090560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER; 4100560f337SMauro Carvalho Chehab } else { /* isoc */ 4110560f337SMauro Carvalho Chehab em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n", 4120560f337SMauro Carvalho Chehab min_pkt_size, dev->alt); 4130560f337SMauro Carvalho Chehab dev->max_pkt_size = 4140560f337SMauro Carvalho Chehab dev->alt_max_pkt_size_isoc[dev->alt]; 4150560f337SMauro Carvalho Chehab dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS; 4160560f337SMauro Carvalho Chehab } 4170560f337SMauro Carvalho Chehab em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n", 4180560f337SMauro Carvalho Chehab dev->alt, dev->max_pkt_size); 419c6d48134SMauro Carvalho Chehab errCode = usb_set_interface(udev, dev->ifnum, dev->alt); 4200560f337SMauro Carvalho Chehab if (errCode < 0) { 42129b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 422ce8591ffSMauro Carvalho Chehab "cannot change alternate number to %d (error=%i)\n", 4230560f337SMauro Carvalho Chehab dev->alt, errCode); 4240560f337SMauro Carvalho Chehab return errCode; 4250560f337SMauro Carvalho Chehab } 4260560f337SMauro Carvalho Chehab return 0; 4270560f337SMauro Carvalho Chehab } 4280560f337SMauro Carvalho Chehab 4290c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 4300c0d06caSMauro Carvalho Chehab DMA and thread functions 4310c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 4320c0d06caSMauro Carvalho Chehab 4330c0d06caSMauro Carvalho Chehab /* 434948a49aaSFrank Schaefer * Finish the current buffer 4350c0d06caSMauro Carvalho Chehab */ 436948a49aaSFrank Schaefer static inline void finish_buffer(struct em28xx *dev, 4370c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf) 4380c0d06caSMauro Carvalho Chehab { 439d3829fadSDevin Heitmueller em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); 440d3829fadSDevin Heitmueller 4412d700715SJunghak Sung buf->vb.sequence = dev->v4l2->field_count++; 442662c97cfSFrank Schaefer if (dev->v4l2->progressive) 4432d700715SJunghak Sung buf->vb.field = V4L2_FIELD_NONE; 444662c97cfSFrank Schaefer else 4452d700715SJunghak Sung buf->vb.field = V4L2_FIELD_INTERLACED; 446d6dd645eSJunghak Sung buf->vb.vb2_buf.timestamp = ktime_get_ns(); 447d3829fadSDevin Heitmueller 4482d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 4490c0d06caSMauro Carvalho Chehab } 4500c0d06caSMauro Carvalho Chehab 4510c0d06caSMauro Carvalho Chehab /* 45236016a35SFrank Schaefer * Copy picture data from USB buffer to videobuf buffer 4530c0d06caSMauro Carvalho Chehab */ 4540c0d06caSMauro Carvalho Chehab static void em28xx_copy_video(struct em28xx *dev, 4550c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 45636016a35SFrank Schaefer unsigned char *usb_buf, 4574078d625SFrank Schaefer unsigned long len) 4580c0d06caSMauro Carvalho Chehab { 45958159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 4600c0d06caSMauro Carvalho Chehab void *fieldstart, *startwrite, *startread; 4610c0d06caSMauro Carvalho Chehab int linesdone, currlinedone, offset, lencopy, remain; 46258159171SFrank Schaefer int bytesperline = v4l2->width << 1; 4630c0d06caSMauro Carvalho Chehab 464d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 465d3829fadSDevin Heitmueller len = buf->length - buf->pos; 4660c0d06caSMauro Carvalho Chehab 46736016a35SFrank Schaefer startread = usb_buf; 4680c0d06caSMauro Carvalho Chehab remain = len; 4690c0d06caSMauro Carvalho Chehab 47058159171SFrank Schaefer if (v4l2->progressive || buf->top_field) 47136016a35SFrank Schaefer fieldstart = buf->vb_buf; 472c02ec71bSFrank Schaefer else /* interlaced mode, even nr. of lines */ 47336016a35SFrank Schaefer fieldstart = buf->vb_buf + bytesperline; 4740c0d06caSMauro Carvalho Chehab 4758732533bSFrank Schaefer linesdone = buf->pos / bytesperline; 4768732533bSFrank Schaefer currlinedone = buf->pos % bytesperline; 4770c0d06caSMauro Carvalho Chehab 47858159171SFrank Schaefer if (v4l2->progressive) 4790c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline + currlinedone; 4800c0d06caSMauro Carvalho Chehab else 4810c0d06caSMauro Carvalho Chehab offset = linesdone * bytesperline * 2 + currlinedone; 4820c0d06caSMauro Carvalho Chehab 4830c0d06caSMauro Carvalho Chehab startwrite = fieldstart + offset; 4840c0d06caSMauro Carvalho Chehab lencopy = bytesperline - currlinedone; 4850c0d06caSMauro Carvalho Chehab lencopy = lencopy > remain ? remain : lencopy; 4860c0d06caSMauro Carvalho Chehab 487d3829fadSDevin Heitmueller if ((char *)startwrite + lencopy > (char *)buf->vb_buf + buf->length) { 4887983b773SMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end (1)\n", 4890c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 490d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 491d3829fadSDevin Heitmueller remain = (char *)buf->vb_buf + buf->length - 49236016a35SFrank Schaefer (char *)startwrite; 4930c0d06caSMauro Carvalho Chehab lencopy = remain; 4940c0d06caSMauro Carvalho Chehab } 4950c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 4960c0d06caSMauro Carvalho Chehab return; 4970c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 4980c0d06caSMauro Carvalho Chehab 4990c0d06caSMauro Carvalho Chehab remain -= lencopy; 5000c0d06caSMauro Carvalho Chehab 5010c0d06caSMauro Carvalho Chehab while (remain > 0) { 50258159171SFrank Schaefer if (v4l2->progressive) 503c02ec71bSFrank Schaefer startwrite += lencopy; 504c02ec71bSFrank Schaefer else 5050c0d06caSMauro Carvalho Chehab startwrite += lencopy + bytesperline; 5060c0d06caSMauro Carvalho Chehab startread += lencopy; 5070c0d06caSMauro Carvalho Chehab if (bytesperline > remain) 5080c0d06caSMauro Carvalho Chehab lencopy = remain; 5090c0d06caSMauro Carvalho Chehab else 5100c0d06caSMauro Carvalho Chehab lencopy = bytesperline; 5110c0d06caSMauro Carvalho Chehab 51236016a35SFrank Schaefer if ((char *)startwrite + lencopy > (char *)buf->vb_buf + 513d3829fadSDevin Heitmueller buf->length) { 5145ccb197dSMauro Carvalho Chehab em28xx_isocdbg("Overflow of %zu bytes past buffer end(2)\n", 5150c0d06caSMauro Carvalho Chehab ((char *)startwrite + lencopy) - 516d3829fadSDevin Heitmueller ((char *)buf->vb_buf + buf->length)); 517d3829fadSDevin Heitmueller lencopy = remain = (char *)buf->vb_buf + buf->length - 5180c0d06caSMauro Carvalho Chehab (char *)startwrite; 5190c0d06caSMauro Carvalho Chehab } 5200c0d06caSMauro Carvalho Chehab if (lencopy <= 0) 5210c0d06caSMauro Carvalho Chehab break; 5220c0d06caSMauro Carvalho Chehab 5230c0d06caSMauro Carvalho Chehab memcpy(startwrite, startread, lencopy); 5240c0d06caSMauro Carvalho Chehab 5250c0d06caSMauro Carvalho Chehab remain -= lencopy; 5260c0d06caSMauro Carvalho Chehab } 5270c0d06caSMauro Carvalho Chehab 5288732533bSFrank Schaefer buf->pos += len; 5290c0d06caSMauro Carvalho Chehab } 5300c0d06caSMauro Carvalho Chehab 53136016a35SFrank Schaefer /* 53236016a35SFrank Schaefer * Copy VBI data from USB buffer to videobuf buffer 53336016a35SFrank Schaefer */ 5340c0d06caSMauro Carvalho Chehab static void em28xx_copy_vbi(struct em28xx *dev, 5350c0d06caSMauro Carvalho Chehab struct em28xx_buffer *buf, 53636016a35SFrank Schaefer unsigned char *usb_buf, 5374078d625SFrank Schaefer unsigned long len) 5380c0d06caSMauro Carvalho Chehab { 53936016a35SFrank Schaefer unsigned int offset; 5400c0d06caSMauro Carvalho Chehab 541d3829fadSDevin Heitmueller if (buf->pos + len > buf->length) 542d3829fadSDevin Heitmueller len = buf->length - buf->pos; 5430c0d06caSMauro Carvalho Chehab 5448732533bSFrank Schaefer offset = buf->pos; 5450c0d06caSMauro Carvalho Chehab /* Make sure the bottom field populates the second half of the frame */ 54636016a35SFrank Schaefer if (buf->top_field == 0) 547753aee77SFrank Schaefer offset += dev->v4l2->vbi_width * dev->v4l2->vbi_height; 5480c0d06caSMauro Carvalho Chehab 54936016a35SFrank Schaefer memcpy(buf->vb_buf + offset, usb_buf, len); 5508732533bSFrank Schaefer buf->pos += len; 5510c0d06caSMauro Carvalho Chehab } 5520c0d06caSMauro Carvalho Chehab 5530c0d06caSMauro Carvalho Chehab static inline void print_err_status(struct em28xx *dev, 5540c0d06caSMauro Carvalho Chehab int packet, int status) 5550c0d06caSMauro Carvalho Chehab { 5560c0d06caSMauro Carvalho Chehab char *errmsg = "Unknown"; 5570c0d06caSMauro Carvalho Chehab 5580c0d06caSMauro Carvalho Chehab switch (status) { 5590c0d06caSMauro Carvalho Chehab case -ENOENT: 560b436e26eSColin Ian King errmsg = "unlinked synchronously"; 5610c0d06caSMauro Carvalho Chehab break; 5620c0d06caSMauro Carvalho Chehab case -ECONNRESET: 563b436e26eSColin Ian King errmsg = "unlinked asynchronously"; 5640c0d06caSMauro Carvalho Chehab break; 5650c0d06caSMauro Carvalho Chehab case -ENOSR: 5660c0d06caSMauro Carvalho Chehab errmsg = "Buffer error (overrun)"; 5670c0d06caSMauro Carvalho Chehab break; 5680c0d06caSMauro Carvalho Chehab case -EPIPE: 5690c0d06caSMauro Carvalho Chehab errmsg = "Stalled (device not responding)"; 5700c0d06caSMauro Carvalho Chehab break; 5710c0d06caSMauro Carvalho Chehab case -EOVERFLOW: 5720c0d06caSMauro Carvalho Chehab errmsg = "Babble (bad cable?)"; 5730c0d06caSMauro Carvalho Chehab break; 5740c0d06caSMauro Carvalho Chehab case -EPROTO: 5750c0d06caSMauro Carvalho Chehab errmsg = "Bit-stuff error (bad cable?)"; 5760c0d06caSMauro Carvalho Chehab break; 5770c0d06caSMauro Carvalho Chehab case -EILSEQ: 5780c0d06caSMauro Carvalho Chehab errmsg = "CRC/Timeout (could be anything)"; 5790c0d06caSMauro Carvalho Chehab break; 5800c0d06caSMauro Carvalho Chehab case -ETIME: 5810c0d06caSMauro Carvalho Chehab errmsg = "Device does not respond"; 5820c0d06caSMauro Carvalho Chehab break; 5830c0d06caSMauro Carvalho Chehab } 5840c0d06caSMauro Carvalho Chehab if (packet < 0) { 5850c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); 5860c0d06caSMauro Carvalho Chehab } else { 5870c0d06caSMauro Carvalho Chehab em28xx_isocdbg("URB packet %d, status %d [%s].\n", 5880c0d06caSMauro Carvalho Chehab packet, status, errmsg); 5890c0d06caSMauro Carvalho Chehab } 5900c0d06caSMauro Carvalho Chehab } 5910c0d06caSMauro Carvalho Chehab 5920c0d06caSMauro Carvalho Chehab /* 59324a6d849SFrank Schaefer * get the next available buffer from dma queue 5940c0d06caSMauro Carvalho Chehab */ 59524a6d849SFrank Schaefer static inline struct em28xx_buffer *get_next_buf(struct em28xx *dev, 59624a6d849SFrank Schaefer struct em28xx_dmaqueue *dma_q) 5970c0d06caSMauro Carvalho Chehab { 59824a6d849SFrank Schaefer struct em28xx_buffer *buf; 5990c0d06caSMauro Carvalho Chehab 6000c0d06caSMauro Carvalho Chehab if (list_empty(&dma_q->active)) { 6010c0d06caSMauro Carvalho Chehab em28xx_isocdbg("No active queue to serve\n"); 60224a6d849SFrank Schaefer return NULL; 6030c0d06caSMauro Carvalho Chehab } 6040c0d06caSMauro Carvalho Chehab 6050c0d06caSMauro Carvalho Chehab /* Get the next buffer */ 606d3829fadSDevin Heitmueller buf = list_entry(dma_q->active.next, struct em28xx_buffer, list); 6070c0d06caSMauro Carvalho Chehab /* Cleans up buffer - Useful for testing for frame/URB loss */ 608d3829fadSDevin Heitmueller list_del(&buf->list); 6098732533bSFrank Schaefer buf->pos = 0; 610d3829fadSDevin Heitmueller buf->vb_buf = buf->mem; 6110c0d06caSMauro Carvalho Chehab 61224a6d849SFrank Schaefer return buf; 6130c0d06caSMauro Carvalho Chehab } 6140c0d06caSMauro Carvalho Chehab 615e04c00d9SFrank Schaefer /* 616e04c00d9SFrank Schaefer * Finish the current buffer if completed and prepare for the next field 617e04c00d9SFrank Schaefer */ 618e04c00d9SFrank Schaefer static struct em28xx_buffer * 619e04c00d9SFrank Schaefer finish_field_prepare_next(struct em28xx *dev, 620e04c00d9SFrank Schaefer struct em28xx_buffer *buf, 621e04c00d9SFrank Schaefer struct em28xx_dmaqueue *dma_q) 622e04c00d9SFrank Schaefer { 62358159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 62458159171SFrank Schaefer 625f0e38230SFrank Schaefer if (v4l2->progressive || v4l2->top_field) { /* Brand new frame */ 626e04c00d9SFrank Schaefer if (buf != NULL) 627e04c00d9SFrank Schaefer finish_buffer(dev, buf); 628e04c00d9SFrank Schaefer buf = get_next_buf(dev, dma_q); 629e04c00d9SFrank Schaefer } 630e04c00d9SFrank Schaefer if (buf != NULL) { 631f0e38230SFrank Schaefer buf->top_field = v4l2->top_field; 632e04c00d9SFrank Schaefer buf->pos = 0; 633e04c00d9SFrank Schaefer } 634e04c00d9SFrank Schaefer 635e04c00d9SFrank Schaefer return buf; 636e04c00d9SFrank Schaefer } 637e04c00d9SFrank Schaefer 638227b7c90SFrank Schaefer /* 639227b7c90SFrank Schaefer * Process data packet according to the em2710/em2750/em28xx frame data format 640227b7c90SFrank Schaefer */ 641227b7c90SFrank Schaefer static inline void process_frame_data_em28xx(struct em28xx *dev, 642227b7c90SFrank Schaefer unsigned char *data_pkt, 643227b7c90SFrank Schaefer unsigned int data_len) 644227b7c90SFrank Schaefer { 645753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 646227b7c90SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 647227b7c90SFrank Schaefer struct em28xx_buffer *vbi_buf = dev->usb_ctl.vbi_buf; 648227b7c90SFrank Schaefer struct em28xx_dmaqueue *dma_q = &dev->vidq; 649227b7c90SFrank Schaefer struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq; 650227b7c90SFrank Schaefer 651227b7c90SFrank Schaefer /* capture type 0 = vbi start 652227b7c90SFrank Schaefer capture type 1 = vbi in progress 653227b7c90SFrank Schaefer capture type 2 = video start 654227b7c90SFrank Schaefer capture type 3 = video in progress */ 655227b7c90SFrank Schaefer if (data_len >= 4) { 656227b7c90SFrank Schaefer /* NOTE: Headers are always 4 bytes and 657227b7c90SFrank Schaefer * never split across packets */ 658227b7c90SFrank Schaefer if (data_pkt[0] == 0x88 && data_pkt[1] == 0x88 && 659227b7c90SFrank Schaefer data_pkt[2] == 0x88 && data_pkt[3] == 0x88) { 660227b7c90SFrank Schaefer /* Continuation */ 661227b7c90SFrank Schaefer data_pkt += 4; 662227b7c90SFrank Schaefer data_len -= 4; 663227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x33 && data_pkt[1] == 0x95) { 664227b7c90SFrank Schaefer /* Field start (VBI mode) */ 665f0e38230SFrank Schaefer v4l2->capture_type = 0; 666f0e38230SFrank Schaefer v4l2->vbi_read = 0; 667227b7c90SFrank Schaefer em28xx_isocdbg("VBI START HEADER !!!\n"); 668f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 669227b7c90SFrank Schaefer data_pkt += 4; 670227b7c90SFrank Schaefer data_len -= 4; 671227b7c90SFrank Schaefer } else if (data_pkt[0] == 0x22 && data_pkt[1] == 0x5a) { 672227b7c90SFrank Schaefer /* Field start (VBI disabled) */ 673f0e38230SFrank Schaefer v4l2->capture_type = 2; 674227b7c90SFrank Schaefer em28xx_isocdbg("VIDEO START HEADER !!!\n"); 675f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[2] & 1); 676227b7c90SFrank Schaefer data_pkt += 4; 677227b7c90SFrank Schaefer data_len -= 4; 678227b7c90SFrank Schaefer } 679227b7c90SFrank Schaefer } 680227b7c90SFrank Schaefer /* NOTE: With bulk transfers, intermediate data packets 681227b7c90SFrank Schaefer * have no continuation header */ 682227b7c90SFrank Schaefer 683f0e38230SFrank Schaefer if (v4l2->capture_type == 0) { 684227b7c90SFrank Schaefer vbi_buf = finish_field_prepare_next(dev, vbi_buf, vbi_dma_q); 685227b7c90SFrank Schaefer dev->usb_ctl.vbi_buf = vbi_buf; 686f0e38230SFrank Schaefer v4l2->capture_type = 1; 687227b7c90SFrank Schaefer } 688227b7c90SFrank Schaefer 689f0e38230SFrank Schaefer if (v4l2->capture_type == 1) { 690753aee77SFrank Schaefer int vbi_size = v4l2->vbi_width * v4l2->vbi_height; 691f0e38230SFrank Schaefer int vbi_data_len = ((v4l2->vbi_read + data_len) > vbi_size) ? 692f0e38230SFrank Schaefer (vbi_size - v4l2->vbi_read) : data_len; 693227b7c90SFrank Schaefer 694227b7c90SFrank Schaefer /* Copy VBI data */ 695227b7c90SFrank Schaefer if (vbi_buf != NULL) 696227b7c90SFrank Schaefer em28xx_copy_vbi(dev, vbi_buf, data_pkt, vbi_data_len); 697f0e38230SFrank Schaefer v4l2->vbi_read += vbi_data_len; 698227b7c90SFrank Schaefer 699227b7c90SFrank Schaefer if (vbi_data_len < data_len) { 700227b7c90SFrank Schaefer /* Continue with copying video data */ 701f0e38230SFrank Schaefer v4l2->capture_type = 2; 702227b7c90SFrank Schaefer data_pkt += vbi_data_len; 703227b7c90SFrank Schaefer data_len -= vbi_data_len; 704227b7c90SFrank Schaefer } 705227b7c90SFrank Schaefer } 706227b7c90SFrank Schaefer 707f0e38230SFrank Schaefer if (v4l2->capture_type == 2) { 708227b7c90SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dma_q); 709227b7c90SFrank Schaefer dev->usb_ctl.vid_buf = buf; 710f0e38230SFrank Schaefer v4l2->capture_type = 3; 711227b7c90SFrank Schaefer } 712227b7c90SFrank Schaefer 713f0e38230SFrank Schaefer if (v4l2->capture_type == 3 && buf != NULL && data_len > 0) 714227b7c90SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 715227b7c90SFrank Schaefer } 716227b7c90SFrank Schaefer 717e507e0e5SFrank Schaefer /* 718e507e0e5SFrank Schaefer * Process data packet according to the em25xx/em276x/7x/8x frame data format 719e507e0e5SFrank Schaefer */ 720e507e0e5SFrank Schaefer static inline void process_frame_data_em25xx(struct em28xx *dev, 721e507e0e5SFrank Schaefer unsigned char *data_pkt, 722e507e0e5SFrank Schaefer unsigned int data_len) 723e507e0e5SFrank Schaefer { 724e507e0e5SFrank Schaefer struct em28xx_buffer *buf = dev->usb_ctl.vid_buf; 725e507e0e5SFrank Schaefer struct em28xx_dmaqueue *dmaq = &dev->vidq; 726f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 7277e6c8c19SMauro Carvalho Chehab bool frame_end = false; 728e507e0e5SFrank Schaefer 729e507e0e5SFrank Schaefer /* Check for header */ 730e507e0e5SFrank Schaefer /* NOTE: at least with bulk transfers, only the first packet 731e507e0e5SFrank Schaefer * has a header and has always set the FRAME_END bit */ 732e507e0e5SFrank Schaefer if (data_len >= 2) { /* em25xx header is only 2 bytes long */ 733e507e0e5SFrank Schaefer if ((data_pkt[0] == EM25XX_FRMDATAHDR_BYTE1) && 734e507e0e5SFrank Schaefer ((data_pkt[1] & ~EM25XX_FRMDATAHDR_BYTE2_MASK) == 0x00)) { 735f0e38230SFrank Schaefer v4l2->top_field = !(data_pkt[1] & 736e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_ID); 737e507e0e5SFrank Schaefer frame_end = data_pkt[1] & 738e507e0e5SFrank Schaefer EM25XX_FRMDATAHDR_BYTE2_FRAME_END; 739e507e0e5SFrank Schaefer data_pkt += 2; 740e507e0e5SFrank Schaefer data_len -= 2; 741e507e0e5SFrank Schaefer } 742e507e0e5SFrank Schaefer 743e507e0e5SFrank Schaefer /* Finish field and prepare next (BULK only) */ 744e507e0e5SFrank Schaefer if (dev->analog_xfer_bulk && frame_end) { 745e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 746e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 747e507e0e5SFrank Schaefer } 748e507e0e5SFrank Schaefer /* NOTE: in ISOC mode when a new frame starts and buf==NULL, 749e507e0e5SFrank Schaefer * we COULD already prepare a buffer here to avoid skipping the 750e507e0e5SFrank Schaefer * first frame. 751e507e0e5SFrank Schaefer */ 752e507e0e5SFrank Schaefer } 753e507e0e5SFrank Schaefer 754e507e0e5SFrank Schaefer /* Copy data */ 755e507e0e5SFrank Schaefer if (buf != NULL && data_len > 0) 756e507e0e5SFrank Schaefer em28xx_copy_video(dev, buf, data_pkt, data_len); 757e507e0e5SFrank Schaefer 758e507e0e5SFrank Schaefer /* Finish frame (ISOC only) => avoids lag of 1 frame */ 759e507e0e5SFrank Schaefer if (!dev->analog_xfer_bulk && frame_end) { 760e507e0e5SFrank Schaefer buf = finish_field_prepare_next(dev, buf, dmaq); 761e507e0e5SFrank Schaefer dev->usb_ctl.vid_buf = buf; 762e507e0e5SFrank Schaefer } 763e507e0e5SFrank Schaefer 764e507e0e5SFrank Schaefer /* NOTE: Tested with USB bulk transfers only ! 765e507e0e5SFrank Schaefer * The wording in the datasheet suggests that isoc might work different. 766e507e0e5SFrank Schaefer * The current code assumes that with isoc transfers each packet has a 767e507e0e5SFrank Schaefer * header like with the other em28xx devices. 768e507e0e5SFrank Schaefer */ 769e507e0e5SFrank Schaefer /* NOTE: Support for interlaced mode is pure theory. It has not been 770e507e0e5SFrank Schaefer * tested and it is unknown if these devices actually support it. */ 771e507e0e5SFrank Schaefer /* NOTE: No VBI support yet (these chips likely do not support VBI). */ 772e507e0e5SFrank Schaefer } 773e507e0e5SFrank Schaefer 774960da93bSFrank Schaefer /* Processes and copies the URB data content (video and VBI data) */ 7750fa4a402SFrank Schaefer static inline int em28xx_urb_data_copy(struct em28xx *dev, struct urb *urb) 7760c0d06caSMauro Carvalho Chehab { 777227b7c90SFrank Schaefer int xfer_bulk, num_packets, i; 778227b7c90SFrank Schaefer unsigned char *usb_data_pkt; 779227b7c90SFrank Schaefer unsigned int usb_data_len; 7800c0d06caSMauro Carvalho Chehab 7810c0d06caSMauro Carvalho Chehab if (!dev) 7820c0d06caSMauro Carvalho Chehab return 0; 7830c0d06caSMauro Carvalho Chehab 7842665c299SFrank Schaefer if (dev->disconnected) 7850c0d06caSMauro Carvalho Chehab return 0; 7860c0d06caSMauro Carvalho Chehab 7871653cb0cSFrank Schaefer if (urb->status < 0) 7880c0d06caSMauro Carvalho Chehab print_err_status(dev, -1, urb->status); 7890c0d06caSMauro Carvalho Chehab 7904601cc39SFrank Schaefer xfer_bulk = usb_pipebulk(urb->pipe); 7914601cc39SFrank Schaefer 7924601cc39SFrank Schaefer if (xfer_bulk) /* bulk */ 7934601cc39SFrank Schaefer num_packets = 1; 7944601cc39SFrank Schaefer else /* isoc */ 7954601cc39SFrank Schaefer num_packets = urb->number_of_packets; 7960c0d06caSMauro Carvalho Chehab 7974601cc39SFrank Schaefer for (i = 0; i < num_packets; i++) { 7984601cc39SFrank Schaefer if (xfer_bulk) { /* bulk */ 799227b7c90SFrank Schaefer usb_data_len = urb->actual_length; 8004601cc39SFrank Schaefer 801227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer; 8024601cc39SFrank Schaefer } else { /* isoc */ 8034601cc39SFrank Schaefer if (urb->iso_frame_desc[i].status < 0) { 8044601cc39SFrank Schaefer print_err_status(dev, i, 8054601cc39SFrank Schaefer urb->iso_frame_desc[i].status); 8060c0d06caSMauro Carvalho Chehab if (urb->iso_frame_desc[i].status != -EPROTO) 8070c0d06caSMauro Carvalho Chehab continue; 8080c0d06caSMauro Carvalho Chehab } 8090c0d06caSMauro Carvalho Chehab 810227b7c90SFrank Schaefer usb_data_len = urb->iso_frame_desc[i].actual_length; 811227b7c90SFrank Schaefer if (usb_data_len > dev->max_pkt_size) { 8120c0d06caSMauro Carvalho Chehab em28xx_isocdbg("packet bigger than packet size"); 8130c0d06caSMauro Carvalho Chehab continue; 8140c0d06caSMauro Carvalho Chehab } 8150c0d06caSMauro Carvalho Chehab 816227b7c90SFrank Schaefer usb_data_pkt = urb->transfer_buffer + 8174601cc39SFrank Schaefer urb->iso_frame_desc[i].offset; 8184601cc39SFrank Schaefer } 8194601cc39SFrank Schaefer 820227b7c90SFrank Schaefer if (usb_data_len == 0) { 8214601cc39SFrank Schaefer /* NOTE: happens very often with isoc transfers */ 8224601cc39SFrank Schaefer /* em28xx_usbdbg("packet %d is empty",i); - spammy */ 8234601cc39SFrank Schaefer continue; 8244601cc39SFrank Schaefer } 8250c0d06caSMauro Carvalho Chehab 826e507e0e5SFrank Schaefer if (dev->is_em25xx) 827e507e0e5SFrank Schaefer process_frame_data_em25xx(dev, 828e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 829e507e0e5SFrank Schaefer else 830e507e0e5SFrank Schaefer process_frame_data_em28xx(dev, 831e507e0e5SFrank Schaefer usb_data_pkt, usb_data_len); 832e507e0e5SFrank Schaefer 8330c0d06caSMauro Carvalho Chehab } 834227b7c90SFrank Schaefer return 1; 8350c0d06caSMauro Carvalho Chehab } 8360c0d06caSMauro Carvalho Chehab 837d3829fadSDevin Heitmueller static int get_ressource(enum v4l2_buf_type f_type) 838d3829fadSDevin Heitmueller { 839d3829fadSDevin Heitmueller switch (f_type) { 840d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VIDEO_CAPTURE: 841d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VIDEO; 842d3829fadSDevin Heitmueller case V4L2_BUF_TYPE_VBI_CAPTURE: 843d3829fadSDevin Heitmueller return EM28XX_RESOURCE_VBI; 844d3829fadSDevin Heitmueller default: 845d3829fadSDevin Heitmueller BUG(); 846d3829fadSDevin Heitmueller } 847d3829fadSDevin Heitmueller } 848d3829fadSDevin Heitmueller 849d3829fadSDevin Heitmueller /* Usage lock check functions */ 850d3829fadSDevin Heitmueller static int res_get(struct em28xx *dev, enum v4l2_buf_type f_type) 851d3829fadSDevin Heitmueller { 852d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 853d3829fadSDevin Heitmueller 854d3829fadSDevin Heitmueller /* is it free? */ 855d3829fadSDevin Heitmueller if (dev->resources & res_type) { 856d3829fadSDevin Heitmueller /* no, someone else uses it */ 857d3829fadSDevin Heitmueller return -EBUSY; 858d3829fadSDevin Heitmueller } 859d3829fadSDevin Heitmueller 860d3829fadSDevin Heitmueller /* it's free, grab it */ 861d3829fadSDevin Heitmueller dev->resources |= res_type; 862d3829fadSDevin Heitmueller em28xx_videodbg("res: get %d\n", res_type); 863d3829fadSDevin Heitmueller return 0; 864d3829fadSDevin Heitmueller } 865d3829fadSDevin Heitmueller 866d3829fadSDevin Heitmueller static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) 867d3829fadSDevin Heitmueller { 868d3829fadSDevin Heitmueller int res_type = get_ressource(f_type); 869d3829fadSDevin Heitmueller 870d3829fadSDevin Heitmueller dev->resources &= ~res_type; 871d3829fadSDevin Heitmueller em28xx_videodbg("res: put %d\n", res_type); 872d3829fadSDevin Heitmueller } 873d3829fadSDevin Heitmueller 87437ecc7b1SMauro Carvalho Chehab static void em28xx_v4l2_media_release(struct em28xx *dev) 87537ecc7b1SMauro Carvalho Chehab { 87637ecc7b1SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 87737ecc7b1SMauro Carvalho Chehab int i; 87837ecc7b1SMauro Carvalho Chehab 87937ecc7b1SMauro Carvalho Chehab for (i = 0; i < MAX_EM28XX_INPUT; i++) { 88037ecc7b1SMauro Carvalho Chehab if (!INPUT(i)->type) 88137ecc7b1SMauro Carvalho Chehab return; 88237ecc7b1SMauro Carvalho Chehab media_device_unregister_entity(&dev->input_ent[i]); 88337ecc7b1SMauro Carvalho Chehab } 88437ecc7b1SMauro Carvalho Chehab #endif 88537ecc7b1SMauro Carvalho Chehab } 88637ecc7b1SMauro Carvalho Chehab 88737ecc7b1SMauro Carvalho Chehab /* 88837ecc7b1SMauro Carvalho Chehab * Media Controller helper functions 88937ecc7b1SMauro Carvalho Chehab */ 89037ecc7b1SMauro Carvalho Chehab 89137ecc7b1SMauro Carvalho Chehab static int em28xx_enable_analog_tuner(struct em28xx *dev) 89237ecc7b1SMauro Carvalho Chehab { 89337ecc7b1SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 89437ecc7b1SMauro Carvalho Chehab struct media_device *mdev = dev->media_dev; 89537ecc7b1SMauro Carvalho Chehab struct em28xx_v4l2 *v4l2 = dev->v4l2; 89637ecc7b1SMauro Carvalho Chehab struct media_entity *source; 89737ecc7b1SMauro Carvalho Chehab struct media_link *link, *found_link = NULL; 89837ecc7b1SMauro Carvalho Chehab int ret, active_links = 0; 89937ecc7b1SMauro Carvalho Chehab 90037ecc7b1SMauro Carvalho Chehab if (!mdev || !v4l2->decoder) 90137ecc7b1SMauro Carvalho Chehab return 0; 90237ecc7b1SMauro Carvalho Chehab 90337ecc7b1SMauro Carvalho Chehab /* 90437ecc7b1SMauro Carvalho Chehab * This will find the tuner that is connected into the decoder. 90537ecc7b1SMauro Carvalho Chehab * Technically, this is not 100% correct, as the device may be 90637ecc7b1SMauro Carvalho Chehab * using an analog input instead of the tuner. However, as we can't 90737ecc7b1SMauro Carvalho Chehab * do DVB streaming while the DMA engine is being used for V4L2, 90837ecc7b1SMauro Carvalho Chehab * this should be enough for the actual needs. 90937ecc7b1SMauro Carvalho Chehab */ 91037ecc7b1SMauro Carvalho Chehab list_for_each_entry(link, &v4l2->decoder->links, list) { 91137ecc7b1SMauro Carvalho Chehab if (link->sink->entity == v4l2->decoder) { 91237ecc7b1SMauro Carvalho Chehab found_link = link; 91337ecc7b1SMauro Carvalho Chehab if (link->flags & MEDIA_LNK_FL_ENABLED) 91437ecc7b1SMauro Carvalho Chehab active_links++; 91537ecc7b1SMauro Carvalho Chehab break; 91637ecc7b1SMauro Carvalho Chehab } 91737ecc7b1SMauro Carvalho Chehab } 91837ecc7b1SMauro Carvalho Chehab 91937ecc7b1SMauro Carvalho Chehab if (active_links == 1 || !found_link) 92037ecc7b1SMauro Carvalho Chehab return 0; 92137ecc7b1SMauro Carvalho Chehab 92237ecc7b1SMauro Carvalho Chehab source = found_link->source->entity; 92337ecc7b1SMauro Carvalho Chehab list_for_each_entry(link, &source->links, list) { 92437ecc7b1SMauro Carvalho Chehab struct media_entity *sink; 92537ecc7b1SMauro Carvalho Chehab int flags = 0; 92637ecc7b1SMauro Carvalho Chehab 92737ecc7b1SMauro Carvalho Chehab sink = link->sink->entity; 92837ecc7b1SMauro Carvalho Chehab 92937ecc7b1SMauro Carvalho Chehab if (sink == v4l2->decoder) 93037ecc7b1SMauro Carvalho Chehab flags = MEDIA_LNK_FL_ENABLED; 93137ecc7b1SMauro Carvalho Chehab 93237ecc7b1SMauro Carvalho Chehab ret = media_entity_setup_link(link, flags); 93337ecc7b1SMauro Carvalho Chehab if (ret) { 93429b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 935ce8591ffSMauro Carvalho Chehab "Couldn't change link %s->%s to %s. Error %d\n", 93637ecc7b1SMauro Carvalho Chehab source->name, sink->name, 93737ecc7b1SMauro Carvalho Chehab flags ? "enabled" : "disabled", 93837ecc7b1SMauro Carvalho Chehab ret); 93937ecc7b1SMauro Carvalho Chehab return ret; 94037ecc7b1SMauro Carvalho Chehab } else 94137ecc7b1SMauro Carvalho Chehab em28xx_videodbg("link %s->%s was %s\n", 94237ecc7b1SMauro Carvalho Chehab source->name, sink->name, 94337ecc7b1SMauro Carvalho Chehab flags ? "ENABLED" : "disabled"); 94437ecc7b1SMauro Carvalho Chehab } 94537ecc7b1SMauro Carvalho Chehab #endif 94637ecc7b1SMauro Carvalho Chehab return 0; 94737ecc7b1SMauro Carvalho Chehab } 94837ecc7b1SMauro Carvalho Chehab 94937ecc7b1SMauro Carvalho Chehab static const char * const iname[] = { 95037ecc7b1SMauro Carvalho Chehab [EM28XX_VMUX_COMPOSITE] = "Composite", 95137ecc7b1SMauro Carvalho Chehab [EM28XX_VMUX_SVIDEO] = "S-Video", 95237ecc7b1SMauro Carvalho Chehab [EM28XX_VMUX_TELEVISION] = "Television", 95337ecc7b1SMauro Carvalho Chehab [EM28XX_RADIO] = "Radio", 95437ecc7b1SMauro Carvalho Chehab }; 95537ecc7b1SMauro Carvalho Chehab 95637ecc7b1SMauro Carvalho Chehab static void em28xx_v4l2_create_entities(struct em28xx *dev) 95737ecc7b1SMauro Carvalho Chehab { 95837ecc7b1SMauro Carvalho Chehab #if defined(CONFIG_MEDIA_CONTROLLER) 95937ecc7b1SMauro Carvalho Chehab struct em28xx_v4l2 *v4l2 = dev->v4l2; 96037ecc7b1SMauro Carvalho Chehab int ret, i; 96137ecc7b1SMauro Carvalho Chehab 96237ecc7b1SMauro Carvalho Chehab /* Initialize Video, VBI and Radio pads */ 96337ecc7b1SMauro Carvalho Chehab v4l2->video_pad.flags = MEDIA_PAD_FL_SINK; 96437ecc7b1SMauro Carvalho Chehab ret = media_entity_pads_init(&v4l2->vdev.entity, 1, &v4l2->video_pad); 96537ecc7b1SMauro Carvalho Chehab if (ret < 0) 96629b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 967ce8591ffSMauro Carvalho Chehab "failed to initialize video media entity!\n"); 96837ecc7b1SMauro Carvalho Chehab 96937ecc7b1SMauro Carvalho Chehab if (em28xx_vbi_supported(dev)) { 97037ecc7b1SMauro Carvalho Chehab v4l2->vbi_pad.flags = MEDIA_PAD_FL_SINK; 97137ecc7b1SMauro Carvalho Chehab ret = media_entity_pads_init(&v4l2->vbi_dev.entity, 1, 97237ecc7b1SMauro Carvalho Chehab &v4l2->vbi_pad); 97337ecc7b1SMauro Carvalho Chehab if (ret < 0) 97429b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 975ce8591ffSMauro Carvalho Chehab "failed to initialize vbi media entity!\n"); 97637ecc7b1SMauro Carvalho Chehab } 97737ecc7b1SMauro Carvalho Chehab 97837ecc7b1SMauro Carvalho Chehab /* Webcams don't have input connectors */ 97937ecc7b1SMauro Carvalho Chehab if (dev->board.is_webcam) 98037ecc7b1SMauro Carvalho Chehab return; 98137ecc7b1SMauro Carvalho Chehab 98237ecc7b1SMauro Carvalho Chehab /* Create entities for each input connector */ 98337ecc7b1SMauro Carvalho Chehab for (i = 0; i < MAX_EM28XX_INPUT; i++) { 98437ecc7b1SMauro Carvalho Chehab struct media_entity *ent = &dev->input_ent[i]; 98537ecc7b1SMauro Carvalho Chehab 98637ecc7b1SMauro Carvalho Chehab if (!INPUT(i)->type) 98737ecc7b1SMauro Carvalho Chehab break; 98837ecc7b1SMauro Carvalho Chehab 98937ecc7b1SMauro Carvalho Chehab ent->name = iname[INPUT(i)->type]; 99037ecc7b1SMauro Carvalho Chehab ent->flags = MEDIA_ENT_FL_CONNECTOR; 99137ecc7b1SMauro Carvalho Chehab dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 99237ecc7b1SMauro Carvalho Chehab 99337ecc7b1SMauro Carvalho Chehab switch (INPUT(i)->type) { 99437ecc7b1SMauro Carvalho Chehab case EM28XX_VMUX_COMPOSITE: 99537ecc7b1SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 99637ecc7b1SMauro Carvalho Chehab break; 99737ecc7b1SMauro Carvalho Chehab case EM28XX_VMUX_SVIDEO: 99837ecc7b1SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_SVIDEO; 99937ecc7b1SMauro Carvalho Chehab break; 100037ecc7b1SMauro Carvalho Chehab default: /* EM28XX_VMUX_TELEVISION or EM28XX_RADIO */ 1001e9ef88bdSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 100237ecc7b1SMauro Carvalho Chehab ent->function = MEDIA_ENT_F_CONN_RF; 100337ecc7b1SMauro Carvalho Chehab break; 100437ecc7b1SMauro Carvalho Chehab } 100537ecc7b1SMauro Carvalho Chehab 100637ecc7b1SMauro Carvalho Chehab ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 100737ecc7b1SMauro Carvalho Chehab if (ret < 0) 100829b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 1009ce8591ffSMauro Carvalho Chehab "failed to initialize input pad[%d]!\n", i); 101037ecc7b1SMauro Carvalho Chehab 101137ecc7b1SMauro Carvalho Chehab ret = media_device_register_entity(dev->media_dev, ent); 101237ecc7b1SMauro Carvalho Chehab if (ret < 0) 101329b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 1014ce8591ffSMauro Carvalho Chehab "failed to register input entity %d!\n", i); 101537ecc7b1SMauro Carvalho Chehab } 101637ecc7b1SMauro Carvalho Chehab #endif 101737ecc7b1SMauro Carvalho Chehab } 101837ecc7b1SMauro Carvalho Chehab 101937ecc7b1SMauro Carvalho Chehab 10200c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 1021d3829fadSDevin Heitmueller Videobuf2 operations 10220c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 10230c0d06caSMauro Carvalho Chehab 1024df9ecb0cSHans Verkuil static int queue_setup(struct vb2_queue *vq, 1025d3829fadSDevin Heitmueller unsigned int *nbuffers, unsigned int *nplanes, 102636c0f8b3SHans Verkuil unsigned int sizes[], struct device *alloc_devs[]) 10270c0d06caSMauro Carvalho Chehab { 1028d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 1029753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1030df9ecb0cSHans Verkuil unsigned long size = 103106e20672SFrank Schaefer (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 10320c0d06caSMauro Carvalho Chehab 1033df9ecb0cSHans Verkuil if (*nplanes) 1034df9ecb0cSHans Verkuil return sizes[0] < size ? -EINVAL : 0; 1035d3829fadSDevin Heitmueller *nplanes = 1; 1036d3829fadSDevin Heitmueller sizes[0] = size; 103737ecc7b1SMauro Carvalho Chehab 103837ecc7b1SMauro Carvalho Chehab em28xx_enable_analog_tuner(dev); 103937ecc7b1SMauro Carvalho Chehab 10400c0d06caSMauro Carvalho Chehab return 0; 10410c0d06caSMauro Carvalho Chehab } 10420c0d06caSMauro Carvalho Chehab 10430c0d06caSMauro Carvalho Chehab static int 1044d3829fadSDevin Heitmueller buffer_prepare(struct vb2_buffer *vb) 10450c0d06caSMauro Carvalho Chehab { 10462d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1047d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 1048753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1049d3829fadSDevin Heitmueller unsigned long size; 10500c0d06caSMauro Carvalho Chehab 10512d700715SJunghak Sung em28xx_videodbg("%s, field=%d\n", __func__, vbuf->field); 10520c0d06caSMauro Carvalho Chehab 105306e20672SFrank Schaefer size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; 1054d3829fadSDevin Heitmueller 1055d3829fadSDevin Heitmueller if (vb2_plane_size(vb, 0) < size) { 1056d3829fadSDevin Heitmueller em28xx_videodbg("%s data will not fit into plane (%lu < %lu)\n", 1057d3829fadSDevin Heitmueller __func__, vb2_plane_size(vb, 0), size); 10580c0d06caSMauro Carvalho Chehab return -EINVAL; 1059d3829fadSDevin Heitmueller } 10602d700715SJunghak Sung vb2_set_plane_payload(vb, 0, size); 10610c0d06caSMauro Carvalho Chehab 1062d3829fadSDevin Heitmueller return 0; 10630c0d06caSMauro Carvalho Chehab } 10640c0d06caSMauro Carvalho Chehab 1065d3829fadSDevin Heitmueller int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count) 1066d3829fadSDevin Heitmueller { 1067d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 1068f0e38230SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1069d3829fadSDevin Heitmueller struct v4l2_frequency f; 10702d700715SJunghak Sung struct v4l2_fh *owner; 1071d3829fadSDevin Heitmueller int rc = 0; 10720c0d06caSMauro Carvalho Chehab 1073d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1074d3829fadSDevin Heitmueller 1075d3829fadSDevin Heitmueller /* Make sure streaming is not already in progress for this type 1076d3829fadSDevin Heitmueller of filehandle (e.g. video, vbi) */ 1077d3829fadSDevin Heitmueller rc = res_get(dev, vq->type); 1078d3829fadSDevin Heitmueller if (rc) 1079d3829fadSDevin Heitmueller return rc; 1080d3829fadSDevin Heitmueller 10818139a4d5SFrank Schaefer if (v4l2->streaming_users == 0) { 1082d3829fadSDevin Heitmueller /* First active streaming user, so allocate all the URBs */ 1083d3829fadSDevin Heitmueller 1084d3829fadSDevin Heitmueller /* Allocate the USB bandwidth */ 1085d3829fadSDevin Heitmueller em28xx_set_alternate(dev); 1086d3829fadSDevin Heitmueller 1087d3829fadSDevin Heitmueller /* Needed, since GPIO might have disabled power of 1088d3829fadSDevin Heitmueller some i2c device 1089d3829fadSDevin Heitmueller */ 1090d3829fadSDevin Heitmueller em28xx_wake_i2c(dev); 1091d3829fadSDevin Heitmueller 1092f0e38230SFrank Schaefer v4l2->capture_type = -1; 1093c647a91aSFrank Schaefer rc = em28xx_init_usb_xfer(dev, EM28XX_ANALOG_MODE, 1094c647a91aSFrank Schaefer dev->analog_xfer_bulk, 10950c0d06caSMauro Carvalho Chehab EM28XX_NUM_BUFS, 10960c0d06caSMauro Carvalho Chehab dev->max_pkt_size, 1097c647a91aSFrank Schaefer dev->packet_multiplier, 10980fa4a402SFrank Schaefer em28xx_urb_data_copy); 10990c0d06caSMauro Carvalho Chehab if (rc < 0) 1100032f1ddfSFrank Schaefer return rc; 1101d3829fadSDevin Heitmueller 1102d3829fadSDevin Heitmueller /* 1103d3829fadSDevin Heitmueller * djh: it's not clear whether this code is still needed. I'm 1104d3829fadSDevin Heitmueller * leaving it in here for now entirely out of concern for 1105d3829fadSDevin Heitmueller * backward compatibility (the old code did it) 1106d3829fadSDevin Heitmueller */ 1107d3829fadSDevin Heitmueller 1108d3829fadSDevin Heitmueller /* Ask tuner to go to analog or radio mode */ 1109d3829fadSDevin Heitmueller memset(&f, 0, sizeof(f)); 11103854b0d8SFrank Schaefer f.frequency = v4l2->frequency; 11112d700715SJunghak Sung owner = (struct v4l2_fh *)vq->owner; 11122d700715SJunghak Sung if (owner && owner->vdev->vfl_type == VFL_TYPE_RADIO) 1113d3829fadSDevin Heitmueller f.type = V4L2_TUNER_RADIO; 1114d3829fadSDevin Heitmueller else 1115d3829fadSDevin Heitmueller f.type = V4L2_TUNER_ANALOG_TV; 1116f0e38230SFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 111795d2608bSFrank Schaefer 0, tuner, s_frequency, &f); 111813d52fe4SMauro Carvalho Chehab 111913d52fe4SMauro Carvalho Chehab /* Enable video stream at TV decoder */ 112013d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 1); 11210c0d06caSMauro Carvalho Chehab } 11220c0d06caSMauro Carvalho Chehab 11238139a4d5SFrank Schaefer v4l2->streaming_users++; 1124032f1ddfSFrank Schaefer 11250c0d06caSMauro Carvalho Chehab return rc; 11260c0d06caSMauro Carvalho Chehab } 11270c0d06caSMauro Carvalho Chehab 1128e37559b2SHans Verkuil static void em28xx_stop_streaming(struct vb2_queue *vq) 11290c0d06caSMauro Carvalho Chehab { 1130d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 11318139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 11320c0d06caSMauro Carvalho Chehab struct em28xx_dmaqueue *vidq = &dev->vidq; 1133d3829fadSDevin Heitmueller unsigned long flags = 0; 11340c0d06caSMauro Carvalho Chehab 1135d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 11360c0d06caSMauro Carvalho Chehab 1137d3829fadSDevin Heitmueller res_free(dev, vq->type); 1138d3829fadSDevin Heitmueller 11398139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 114013d52fe4SMauro Carvalho Chehab /* Disable video stream at TV decoder */ 114113d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); 114213d52fe4SMauro Carvalho Chehab 1143d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1144d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 11450c0d06caSMauro Carvalho Chehab } 11460c0d06caSMauro Carvalho Chehab 1147d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1148627530c3SFrank Schaefer if (dev->usb_ctl.vid_buf != NULL) { 11492d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vid_buf->vb.vb2_buf, 11502d700715SJunghak Sung VB2_BUF_STATE_ERROR); 1151627530c3SFrank Schaefer dev->usb_ctl.vid_buf = NULL; 1152627530c3SFrank Schaefer } 1153d3829fadSDevin Heitmueller while (!list_empty(&vidq->active)) { 1154d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1155fdf1bc9fSMauro Carvalho Chehab 1156d3829fadSDevin Heitmueller buf = list_entry(vidq->active.next, struct em28xx_buffer, list); 1157d3829fadSDevin Heitmueller list_del(&buf->list); 11582d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1159d3829fadSDevin Heitmueller } 1160d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1161d3829fadSDevin Heitmueller } 1162d3829fadSDevin Heitmueller 1163e37559b2SHans Verkuil void em28xx_stop_vbi_streaming(struct vb2_queue *vq) 11640c0d06caSMauro Carvalho Chehab { 1165d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vq); 11668139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1167d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vbiq = &dev->vbiq; 1168d3829fadSDevin Heitmueller unsigned long flags = 0; 11690c0d06caSMauro Carvalho Chehab 1170d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 11710c0d06caSMauro Carvalho Chehab 1172d3829fadSDevin Heitmueller res_free(dev, vq->type); 1173d3829fadSDevin Heitmueller 11748139a4d5SFrank Schaefer if (v4l2->streaming_users-- == 1) { 117513d52fe4SMauro Carvalho Chehab /* Disable video stream at TV decoder */ 117613d52fe4SMauro Carvalho Chehab v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_stream, 0); 117713d52fe4SMauro Carvalho Chehab 1178d3829fadSDevin Heitmueller /* Last active user, so shutdown all the URBS */ 1179d3829fadSDevin Heitmueller em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 11800c0d06caSMauro Carvalho Chehab } 11810c0d06caSMauro Carvalho Chehab 1182d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1183627530c3SFrank Schaefer if (dev->usb_ctl.vbi_buf != NULL) { 11842d700715SJunghak Sung vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb.vb2_buf, 11852d700715SJunghak Sung VB2_BUF_STATE_ERROR); 1186627530c3SFrank Schaefer dev->usb_ctl.vbi_buf = NULL; 1187627530c3SFrank Schaefer } 1188d3829fadSDevin Heitmueller while (!list_empty(&vbiq->active)) { 1189d3829fadSDevin Heitmueller struct em28xx_buffer *buf; 1190fdf1bc9fSMauro Carvalho Chehab 1191d3829fadSDevin Heitmueller buf = list_entry(vbiq->active.next, struct em28xx_buffer, list); 1192d3829fadSDevin Heitmueller list_del(&buf->list); 11932d700715SJunghak Sung vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 1194d3829fadSDevin Heitmueller } 1195d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1196d3829fadSDevin Heitmueller } 1197d3829fadSDevin Heitmueller 1198d3829fadSDevin Heitmueller static void 1199d3829fadSDevin Heitmueller buffer_queue(struct vb2_buffer *vb) 1200d3829fadSDevin Heitmueller { 12012d700715SJunghak Sung struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1202d3829fadSDevin Heitmueller struct em28xx *dev = vb2_get_drv_priv(vb->vb2_queue); 12032d700715SJunghak Sung struct em28xx_buffer *buf = 12042d700715SJunghak Sung container_of(vbuf, struct em28xx_buffer, vb); 1205d3829fadSDevin Heitmueller struct em28xx_dmaqueue *vidq = &dev->vidq; 1206d3829fadSDevin Heitmueller unsigned long flags = 0; 1207d3829fadSDevin Heitmueller 1208d3829fadSDevin Heitmueller em28xx_videodbg("%s\n", __func__); 1209d3829fadSDevin Heitmueller buf->mem = vb2_plane_vaddr(vb, 0); 1210d3829fadSDevin Heitmueller buf->length = vb2_plane_size(vb, 0); 1211d3829fadSDevin Heitmueller 1212d3829fadSDevin Heitmueller spin_lock_irqsave(&dev->slock, flags); 1213d3829fadSDevin Heitmueller list_add_tail(&buf->list, &vidq->active); 1214d3829fadSDevin Heitmueller spin_unlock_irqrestore(&dev->slock, flags); 1215d3829fadSDevin Heitmueller } 1216d3829fadSDevin Heitmueller 12171bc17717SJulia Lawall static const struct vb2_ops em28xx_video_qops = { 1218d3829fadSDevin Heitmueller .queue_setup = queue_setup, 12190c0d06caSMauro Carvalho Chehab .buf_prepare = buffer_prepare, 12200c0d06caSMauro Carvalho Chehab .buf_queue = buffer_queue, 1221d3829fadSDevin Heitmueller .start_streaming = em28xx_start_analog_streaming, 1222d3829fadSDevin Heitmueller .stop_streaming = em28xx_stop_streaming, 1223d3829fadSDevin Heitmueller .wait_prepare = vb2_ops_wait_prepare, 1224d3829fadSDevin Heitmueller .wait_finish = vb2_ops_wait_finish, 12250c0d06caSMauro Carvalho Chehab }; 12260c0d06caSMauro Carvalho Chehab 122701c28193SMauro Carvalho Chehab static int em28xx_vb2_setup(struct em28xx *dev) 1228d3829fadSDevin Heitmueller { 1229d3829fadSDevin Heitmueller int rc; 1230d3829fadSDevin Heitmueller struct vb2_queue *q; 123127a36df6SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1232d3829fadSDevin Heitmueller 1233d3829fadSDevin Heitmueller /* Setup Videobuf2 for Video capture */ 123427a36df6SFrank Schaefer q = &v4l2->vb_vidq; 1235d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1236ef85cd9cSMauro Carvalho Chehab q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1237ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1238d3829fadSDevin Heitmueller q->drv_priv = dev; 1239d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1240d3829fadSDevin Heitmueller q->ops = &em28xx_video_qops; 1241d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1242d3829fadSDevin Heitmueller 1243d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1244d3829fadSDevin Heitmueller if (rc < 0) 1245d3829fadSDevin Heitmueller return rc; 1246d3829fadSDevin Heitmueller 1247d3829fadSDevin Heitmueller /* Setup Videobuf2 for VBI capture */ 124827a36df6SFrank Schaefer q = &v4l2->vb_vbiq; 1249d3829fadSDevin Heitmueller q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1250d3829fadSDevin Heitmueller q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR; 1251ade48681SSakari Ailus q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1252d3829fadSDevin Heitmueller q->drv_priv = dev; 1253d3829fadSDevin Heitmueller q->buf_struct_size = sizeof(struct em28xx_buffer); 1254d3829fadSDevin Heitmueller q->ops = &em28xx_vbi_qops; 1255d3829fadSDevin Heitmueller q->mem_ops = &vb2_vmalloc_memops; 1256d3829fadSDevin Heitmueller 1257d3829fadSDevin Heitmueller rc = vb2_queue_init(q); 1258d3829fadSDevin Heitmueller if (rc < 0) 1259d3829fadSDevin Heitmueller return rc; 1260d3829fadSDevin Heitmueller 1261d3829fadSDevin Heitmueller return 0; 1262d3829fadSDevin Heitmueller } 1263d3829fadSDevin Heitmueller 12640c0d06caSMauro Carvalho Chehab /********************* v4l2 interface **************************************/ 12650c0d06caSMauro Carvalho Chehab 12660c0d06caSMauro Carvalho Chehab static void video_mux(struct em28xx *dev, int index) 12670c0d06caSMauro Carvalho Chehab { 126895d2608bSFrank Schaefer struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; 1269fdf1bc9fSMauro Carvalho Chehab 12700c0d06caSMauro Carvalho Chehab dev->ctl_input = index; 12710c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(index)->amux; 12720c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(index)->aout; 12730c0d06caSMauro Carvalho Chehab 12740c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 12750c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 12760c0d06caSMauro Carvalho Chehab 127795d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, video, s_routing, 12780c0d06caSMauro Carvalho Chehab INPUT(index)->vmux, 0, 0); 12790c0d06caSMauro Carvalho Chehab 12800c0d06caSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 12810c0d06caSMauro Carvalho Chehab if (dev->i2s_speed) { 128295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, 12830c0d06caSMauro Carvalho Chehab s_i2s_clock_freq, dev->i2s_speed); 12840c0d06caSMauro Carvalho Chehab } 12850c0d06caSMauro Carvalho Chehab /* Note: this is msp3400 specific */ 128695d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 1287fdf1bc9fSMauro Carvalho Chehab dev->ctl_ainput, 1288fdf1bc9fSMauro Carvalho Chehab MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); 12890c0d06caSMauro Carvalho Chehab } 12900c0d06caSMauro Carvalho Chehab 12910c0d06caSMauro Carvalho Chehab if (dev->board.adecoder != EM28XX_NOADECODER) { 129295d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, audio, s_routing, 12930c0d06caSMauro Carvalho Chehab dev->ctl_ainput, dev->ctl_aoutput, 0); 12940c0d06caSMauro Carvalho Chehab } 12950c0d06caSMauro Carvalho Chehab 12960c0d06caSMauro Carvalho Chehab em28xx_audio_analog_set(dev); 12970c0d06caSMauro Carvalho Chehab } 12980c0d06caSMauro Carvalho Chehab 129901c28193SMauro Carvalho Chehab static void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv) 13000c0d06caSMauro Carvalho Chehab { 1301081b945eSHans Verkuil struct em28xx *dev = priv; 13020c0d06caSMauro Carvalho Chehab 13030c0d06caSMauro Carvalho Chehab /* 1304081b945eSHans Verkuil * In the case of non-AC97 volume controls, we still need 1305081b945eSHans Verkuil * to do some setups at em28xx, in order to mute/unmute 1306081b945eSHans Verkuil * and to adjust audio volume. However, the value ranges 1307081b945eSHans Verkuil * should be checked by the corresponding V4L subdriver. 13080c0d06caSMauro Carvalho Chehab */ 13090c0d06caSMauro Carvalho Chehab switch (ctrl->id) { 13100c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_MUTE: 1311081b945eSHans Verkuil dev->mute = ctrl->val; 1312081b945eSHans Verkuil em28xx_audio_analog_set(dev); 13130c0d06caSMauro Carvalho Chehab break; 13140c0d06caSMauro Carvalho Chehab case V4L2_CID_AUDIO_VOLUME: 1315081b945eSHans Verkuil dev->volume = ctrl->val; 1316081b945eSHans Verkuil em28xx_audio_analog_set(dev); 1317081b945eSHans Verkuil break; 1318081b945eSHans Verkuil } 1319081b945eSHans Verkuil } 1320081b945eSHans Verkuil 1321081b945eSHans Verkuil static int em28xx_s_ctrl(struct v4l2_ctrl *ctrl) 1322081b945eSHans Verkuil { 1323abc1308fSFrank Schaefer struct em28xx_v4l2 *v4l2 = 1324abc1308fSFrank Schaefer container_of(ctrl->handler, struct em28xx_v4l2, ctrl_handler); 1325abc1308fSFrank Schaefer struct em28xx *dev = v4l2->dev; 13268f8b113aSFrank Schaefer int ret = -EINVAL; 1327081b945eSHans Verkuil 1328081b945eSHans Verkuil switch (ctrl->id) { 1329081b945eSHans Verkuil case V4L2_CID_AUDIO_MUTE: 1330081b945eSHans Verkuil dev->mute = ctrl->val; 13318f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 1332081b945eSHans Verkuil break; 1333081b945eSHans Verkuil case V4L2_CID_AUDIO_VOLUME: 1334081b945eSHans Verkuil dev->volume = ctrl->val; 13358f8b113aSFrank Schaefer ret = em28xx_audio_analog_set(dev); 13368f8b113aSFrank Schaefer break; 13378f8b113aSFrank Schaefer case V4L2_CID_CONTRAST: 13388f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R20_YGAIN, ctrl->val); 13398f8b113aSFrank Schaefer break; 13408f8b113aSFrank Schaefer case V4L2_CID_BRIGHTNESS: 13418f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R21_YOFFSET, ctrl->val); 13428f8b113aSFrank Schaefer break; 13438f8b113aSFrank Schaefer case V4L2_CID_SATURATION: 13448f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R22_UVGAIN, ctrl->val); 13458f8b113aSFrank Schaefer break; 13468f8b113aSFrank Schaefer case V4L2_CID_BLUE_BALANCE: 13478f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R23_UOFFSET, ctrl->val); 13488f8b113aSFrank Schaefer break; 13498f8b113aSFrank Schaefer case V4L2_CID_RED_BALANCE: 13508f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R24_VOFFSET, ctrl->val); 13518f8b113aSFrank Schaefer break; 13528f8b113aSFrank Schaefer case V4L2_CID_SHARPNESS: 13538f8b113aSFrank Schaefer ret = em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, ctrl->val); 13540c0d06caSMauro Carvalho Chehab break; 13550c0d06caSMauro Carvalho Chehab } 13560c0d06caSMauro Carvalho Chehab 13578f8b113aSFrank Schaefer return (ret < 0) ? ret : 0; 13580c0d06caSMauro Carvalho Chehab } 13590c0d06caSMauro Carvalho Chehab 13608068eb88SFengguang Wu static const struct v4l2_ctrl_ops em28xx_ctrl_ops = { 1361081b945eSHans Verkuil .s_ctrl = em28xx_s_ctrl, 1362081b945eSHans Verkuil }; 1363081b945eSHans Verkuil 13646b09a21cSFrank Schaefer static void size_to_scale(struct em28xx *dev, 13650c0d06caSMauro Carvalho Chehab unsigned int width, unsigned int height, 13660c0d06caSMauro Carvalho Chehab unsigned int *hscale, unsigned int *vscale) 13670c0d06caSMauro Carvalho Chehab { 13680c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 13690c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 13700c0d06caSMauro Carvalho Chehab 13710c0d06caSMauro Carvalho Chehab *hscale = (((unsigned long)maxw) << 12) / width - 4096L; 137281685327SFrank Schaefer if (*hscale > EM28XX_HVSCALE_MAX) 137381685327SFrank Schaefer *hscale = EM28XX_HVSCALE_MAX; 13740c0d06caSMauro Carvalho Chehab 13750c0d06caSMauro Carvalho Chehab *vscale = (((unsigned long)maxh) << 12) / height - 4096L; 137681685327SFrank Schaefer if (*vscale > EM28XX_HVSCALE_MAX) 137781685327SFrank Schaefer *vscale = EM28XX_HVSCALE_MAX; 13780c0d06caSMauro Carvalho Chehab } 13790c0d06caSMauro Carvalho Chehab 1380b8374138SFrank Schaefer static void scale_to_size(struct em28xx *dev, 1381b8374138SFrank Schaefer unsigned int hscale, unsigned int vscale, 1382b8374138SFrank Schaefer unsigned int *width, unsigned int *height) 1383b8374138SFrank Schaefer { 1384b8374138SFrank Schaefer unsigned int maxw = norm_maxw(dev); 1385b8374138SFrank Schaefer unsigned int maxh = norm_maxh(dev); 1386b8374138SFrank Schaefer 1387b8374138SFrank Schaefer *width = (((unsigned long)maxw) << 12) / (hscale + 4096L); 1388b8374138SFrank Schaefer *height = (((unsigned long)maxh) << 12) / (vscale + 4096L); 13890962a763SMauro Carvalho Chehab 13900962a763SMauro Carvalho Chehab /* Don't let width or height to be zero */ 13910962a763SMauro Carvalho Chehab if (*width < 1) 13920962a763SMauro Carvalho Chehab *width = 1; 13930962a763SMauro Carvalho Chehab if (*height < 1) 13940962a763SMauro Carvalho Chehab *height = 1; 1395b8374138SFrank Schaefer } 1396b8374138SFrank Schaefer 13970c0d06caSMauro Carvalho Chehab /* ------------------------------------------------------------------ 13980c0d06caSMauro Carvalho Chehab IOCTL vidioc handling 13990c0d06caSMauro Carvalho Chehab ------------------------------------------------------------------*/ 14000c0d06caSMauro Carvalho Chehab 14010c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 14020c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 14030c0d06caSMauro Carvalho Chehab { 1404917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1405753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14060c0d06caSMauro Carvalho Chehab 1407753aee77SFrank Schaefer f->fmt.pix.width = v4l2->width; 1408753aee77SFrank Schaefer f->fmt.pix.height = v4l2->height; 140906e20672SFrank Schaefer f->fmt.pix.pixelformat = v4l2->format->fourcc; 141006e20672SFrank Schaefer f->fmt.pix.bytesperline = (v4l2->width * v4l2->format->depth + 7) >> 3; 1411753aee77SFrank Schaefer f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * v4l2->height; 14120c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 14130c0d06caSMauro Carvalho Chehab 14140c0d06caSMauro Carvalho Chehab /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ 141558159171SFrank Schaefer if (v4l2->progressive) 14160c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 14170c0d06caSMauro Carvalho Chehab else 141858159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 14190c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 14200c0d06caSMauro Carvalho Chehab return 0; 14210c0d06caSMauro Carvalho Chehab } 14220c0d06caSMauro Carvalho Chehab 14230c0d06caSMauro Carvalho Chehab static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) 14240c0d06caSMauro Carvalho Chehab { 14250c0d06caSMauro Carvalho Chehab unsigned int i; 14260c0d06caSMauro Carvalho Chehab 14270c0d06caSMauro Carvalho Chehab for (i = 0; i < ARRAY_SIZE(format); i++) 14280c0d06caSMauro Carvalho Chehab if (format[i].fourcc == fourcc) 14290c0d06caSMauro Carvalho Chehab return &format[i]; 14300c0d06caSMauro Carvalho Chehab 14310c0d06caSMauro Carvalho Chehab return NULL; 14320c0d06caSMauro Carvalho Chehab } 14330c0d06caSMauro Carvalho Chehab 14340c0d06caSMauro Carvalho Chehab static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 14350c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 14360c0d06caSMauro Carvalho Chehab { 1437917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 143858159171SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 14390c0d06caSMauro Carvalho Chehab unsigned int width = f->fmt.pix.width; 14400c0d06caSMauro Carvalho Chehab unsigned int height = f->fmt.pix.height; 14410c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 14420c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 14430c0d06caSMauro Carvalho Chehab unsigned int hscale, vscale; 14440c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 14450c0d06caSMauro Carvalho Chehab 14460c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(f->fmt.pix.pixelformat); 14470c0d06caSMauro Carvalho Chehab if (!fmt) { 14480c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 14490c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat); 14500c0d06caSMauro Carvalho Chehab return -EINVAL; 14510c0d06caSMauro Carvalho Chehab } 14520c0d06caSMauro Carvalho Chehab 14530c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 14540c0d06caSMauro Carvalho Chehab /* the em2800 can only scale down to 50% */ 14550c0d06caSMauro Carvalho Chehab height = height > (3 * maxh / 4) ? maxh : maxh / 2; 14560c0d06caSMauro Carvalho Chehab width = width > (3 * maxw / 4) ? maxw : maxw / 2; 1457d3829fadSDevin Heitmueller /* 1458d3829fadSDevin Heitmueller * MaxPacketSize for em2800 is too small to capture at full 1459d3829fadSDevin Heitmueller * resolution use half of maxw as the scaler can only scale 1460d3829fadSDevin Heitmueller * to 50% 1461d3829fadSDevin Heitmueller */ 14620c0d06caSMauro Carvalho Chehab if (width == maxw && height == maxh) 14630c0d06caSMauro Carvalho Chehab width /= 2; 14640c0d06caSMauro Carvalho Chehab } else { 14650c0d06caSMauro Carvalho Chehab /* width must even because of the YUYV format 14660c0d06caSMauro Carvalho Chehab height must be even because of interlacing */ 14670c0d06caSMauro Carvalho Chehab v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 14680c0d06caSMauro Carvalho Chehab 1, 0); 14690c0d06caSMauro Carvalho Chehab } 14700962a763SMauro Carvalho Chehab /* Avoid division by zero at size_to_scale */ 14710962a763SMauro Carvalho Chehab if (width < 1) 14720962a763SMauro Carvalho Chehab width = 1; 14730962a763SMauro Carvalho Chehab if (height < 1) 14740962a763SMauro Carvalho Chehab height = 1; 14750c0d06caSMauro Carvalho Chehab 14766b09a21cSFrank Schaefer size_to_scale(dev, width, height, &hscale, &vscale); 147746f85978SHans Verkuil scale_to_size(dev, hscale, vscale, &width, &height); 14780c0d06caSMauro Carvalho Chehab 14790c0d06caSMauro Carvalho Chehab f->fmt.pix.width = width; 14800c0d06caSMauro Carvalho Chehab f->fmt.pix.height = height; 14810c0d06caSMauro Carvalho Chehab f->fmt.pix.pixelformat = fmt->fourcc; 1482e6066dbaSHans Verkuil f->fmt.pix.bytesperline = (width * fmt->depth + 7) >> 3; 14830c0d06caSMauro Carvalho Chehab f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; 14840c0d06caSMauro Carvalho Chehab f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 148558159171SFrank Schaefer if (v4l2->progressive) 14860c0d06caSMauro Carvalho Chehab f->fmt.pix.field = V4L2_FIELD_NONE; 14870c0d06caSMauro Carvalho Chehab else 148858159171SFrank Schaefer f->fmt.pix.field = v4l2->interlaced_fieldmode ? 14890c0d06caSMauro Carvalho Chehab V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; 149051dd4d70SAlban Browaeys f->fmt.pix.priv = 0; 14910c0d06caSMauro Carvalho Chehab 14920c0d06caSMauro Carvalho Chehab return 0; 14930c0d06caSMauro Carvalho Chehab } 14940c0d06caSMauro Carvalho Chehab 14950c0d06caSMauro Carvalho Chehab static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, 14960c0d06caSMauro Carvalho Chehab unsigned width, unsigned height) 14970c0d06caSMauro Carvalho Chehab { 14980c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 1499753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15000c0d06caSMauro Carvalho Chehab 15010c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fourcc); 15020c0d06caSMauro Carvalho Chehab if (!fmt) 15030c0d06caSMauro Carvalho Chehab return -EINVAL; 15040c0d06caSMauro Carvalho Chehab 150506e20672SFrank Schaefer v4l2->format = fmt; 1506753aee77SFrank Schaefer v4l2->width = width; 1507753aee77SFrank Schaefer v4l2->height = height; 15080c0d06caSMauro Carvalho Chehab 15090c0d06caSMauro Carvalho Chehab /* set new image size */ 1510753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1511753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 15120c0d06caSMauro Carvalho Chehab 15130c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 15140c0d06caSMauro Carvalho Chehab 15150c0d06caSMauro Carvalho Chehab return 0; 15160c0d06caSMauro Carvalho Chehab } 15170c0d06caSMauro Carvalho Chehab 15180c0d06caSMauro Carvalho Chehab static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 15190c0d06caSMauro Carvalho Chehab struct v4l2_format *f) 15200c0d06caSMauro Carvalho Chehab { 1521d3829fadSDevin Heitmueller struct em28xx *dev = video_drvdata(file); 15228139a4d5SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15230c0d06caSMauro Carvalho Chehab 1524c7854c2cSMauro Carvalho Chehab if (vb2_is_busy(&v4l2->vb_vidq)) 1525d3829fadSDevin Heitmueller return -EBUSY; 15260c0d06caSMauro Carvalho Chehab 15270c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, f); 15280c0d06caSMauro Carvalho Chehab 15290c0d06caSMauro Carvalho Chehab return em28xx_set_video_format(dev, f->fmt.pix.pixelformat, 15300c0d06caSMauro Carvalho Chehab f->fmt.pix.width, f->fmt.pix.height); 15310c0d06caSMauro Carvalho Chehab } 15320c0d06caSMauro Carvalho Chehab 15330c0d06caSMauro Carvalho Chehab static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) 15340c0d06caSMauro Carvalho Chehab { 1535917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15360c0d06caSMauro Carvalho Chehab 153752faaf78SFrank Schaefer *norm = dev->v4l2->norm; 15380c0d06caSMauro Carvalho Chehab 15390c0d06caSMauro Carvalho Chehab return 0; 15400c0d06caSMauro Carvalho Chehab } 15410c0d06caSMauro Carvalho Chehab 15420c0d06caSMauro Carvalho Chehab static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) 15430c0d06caSMauro Carvalho Chehab { 1544917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 15450c0d06caSMauro Carvalho Chehab 154695d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm); 15470c0d06caSMauro Carvalho Chehab 15480c0d06caSMauro Carvalho Chehab return 0; 15490c0d06caSMauro Carvalho Chehab } 15500c0d06caSMauro Carvalho Chehab 1551314527acSHans Verkuil static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) 15520c0d06caSMauro Carvalho Chehab { 1553917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1554753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15550c0d06caSMauro Carvalho Chehab struct v4l2_format f; 15560c0d06caSMauro Carvalho Chehab 155752faaf78SFrank Schaefer if (norm == v4l2->norm) 1558d8c95c08SHans Verkuil return 0; 15590c0d06caSMauro Carvalho Chehab 15608139a4d5SFrank Schaefer if (v4l2->streaming_users > 0) 1561d8c95c08SHans Verkuil return -EBUSY; 1562d8c95c08SHans Verkuil 156352faaf78SFrank Schaefer v4l2->norm = norm; 15640c0d06caSMauro Carvalho Chehab 15650c0d06caSMauro Carvalho Chehab /* Adjusts width/height, if needed */ 1566d8c95c08SHans Verkuil f.fmt.pix.width = 720; 1567314527acSHans Verkuil f.fmt.pix.height = (norm & V4L2_STD_525_60) ? 480 : 576; 15680c0d06caSMauro Carvalho Chehab vidioc_try_fmt_vid_cap(file, priv, &f); 15690c0d06caSMauro Carvalho Chehab 15700c0d06caSMauro Carvalho Chehab /* set new image size */ 1571753aee77SFrank Schaefer v4l2->width = f.fmt.pix.width; 1572753aee77SFrank Schaefer v4l2->height = f.fmt.pix.height; 1573753aee77SFrank Schaefer size_to_scale(dev, v4l2->width, v4l2->height, 1574753aee77SFrank Schaefer &v4l2->hscale, &v4l2->vscale); 15750c0d06caSMauro Carvalho Chehab 15760c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 15778774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 15780c0d06caSMauro Carvalho Chehab 15790c0d06caSMauro Carvalho Chehab return 0; 15800c0d06caSMauro Carvalho Chehab } 15810c0d06caSMauro Carvalho Chehab 15820c0d06caSMauro Carvalho Chehab static int vidioc_g_parm(struct file *file, void *priv, 15830c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 15840c0d06caSMauro Carvalho Chehab { 1585917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 158652faaf78SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 15870c0d06caSMauro Carvalho Chehab int rc = 0; 15880c0d06caSMauro Carvalho Chehab 158986ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 15900c0d06caSMauro Carvalho Chehab if (dev->board.is_webcam) 159152faaf78SFrank Schaefer rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0, 15920c0d06caSMauro Carvalho Chehab video, g_parm, p); 15930c0d06caSMauro Carvalho Chehab else 159452faaf78SFrank Schaefer v4l2_video_std_frame_period(v4l2->norm, 15950c0d06caSMauro Carvalho Chehab &p->parm.capture.timeperframe); 15960c0d06caSMauro Carvalho Chehab 15970c0d06caSMauro Carvalho Chehab return rc; 15980c0d06caSMauro Carvalho Chehab } 15990c0d06caSMauro Carvalho Chehab 16000c0d06caSMauro Carvalho Chehab static int vidioc_s_parm(struct file *file, void *priv, 16010c0d06caSMauro Carvalho Chehab struct v4l2_streamparm *p) 16020c0d06caSMauro Carvalho Chehab { 1603917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16040c0d06caSMauro Carvalho Chehab 160586ff7f1dSHans Verkuil p->parm.capture.readbuffers = EM28XX_MIN_BUF; 160695d2608bSFrank Schaefer return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 160795d2608bSFrank Schaefer 0, video, s_parm, p); 16080c0d06caSMauro Carvalho Chehab } 16090c0d06caSMauro Carvalho Chehab 16100c0d06caSMauro Carvalho Chehab static int vidioc_enum_input(struct file *file, void *priv, 16110c0d06caSMauro Carvalho Chehab struct v4l2_input *i) 16120c0d06caSMauro Carvalho Chehab { 1613917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16140c0d06caSMauro Carvalho Chehab unsigned int n; 16150c0d06caSMauro Carvalho Chehab 16160c0d06caSMauro Carvalho Chehab n = i->index; 16170c0d06caSMauro Carvalho Chehab if (n >= MAX_EM28XX_INPUT) 16180c0d06caSMauro Carvalho Chehab return -EINVAL; 16190c0d06caSMauro Carvalho Chehab if (0 == INPUT(n)->type) 16200c0d06caSMauro Carvalho Chehab return -EINVAL; 16210c0d06caSMauro Carvalho Chehab 16220c0d06caSMauro Carvalho Chehab i->index = n; 16230c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_CAMERA; 16240c0d06caSMauro Carvalho Chehab 16250c0d06caSMauro Carvalho Chehab strcpy(i->name, iname[INPUT(n)->type]); 16260c0d06caSMauro Carvalho Chehab 1627d83a96a5SMauro Carvalho Chehab if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type)) 16280c0d06caSMauro Carvalho Chehab i->type = V4L2_INPUT_TYPE_TUNER; 16290c0d06caSMauro Carvalho Chehab 1630d4352f36SHans Verkuil i->std = dev->v4l2->vdev.tvnorms; 1631d8c95c08SHans Verkuil /* webcams do not have the STD API */ 1632d8c95c08SHans Verkuil if (dev->board.is_webcam) 1633d8c95c08SHans Verkuil i->capabilities = 0; 16340c0d06caSMauro Carvalho Chehab 16350c0d06caSMauro Carvalho Chehab return 0; 16360c0d06caSMauro Carvalho Chehab } 16370c0d06caSMauro Carvalho Chehab 16380c0d06caSMauro Carvalho Chehab static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 16390c0d06caSMauro Carvalho Chehab { 1640917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16410c0d06caSMauro Carvalho Chehab 16420c0d06caSMauro Carvalho Chehab *i = dev->ctl_input; 16430c0d06caSMauro Carvalho Chehab 16440c0d06caSMauro Carvalho Chehab return 0; 16450c0d06caSMauro Carvalho Chehab } 16460c0d06caSMauro Carvalho Chehab 16470c0d06caSMauro Carvalho Chehab static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 16480c0d06caSMauro Carvalho Chehab { 1649917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16500c0d06caSMauro Carvalho Chehab 16510c0d06caSMauro Carvalho Chehab if (i >= MAX_EM28XX_INPUT) 16520c0d06caSMauro Carvalho Chehab return -EINVAL; 16530c0d06caSMauro Carvalho Chehab if (0 == INPUT(i)->type) 16540c0d06caSMauro Carvalho Chehab return -EINVAL; 16550c0d06caSMauro Carvalho Chehab 16560c0d06caSMauro Carvalho Chehab video_mux(dev, i); 16570c0d06caSMauro Carvalho Chehab return 0; 16580c0d06caSMauro Carvalho Chehab } 16590c0d06caSMauro Carvalho Chehab 16600c0d06caSMauro Carvalho Chehab static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) 16610c0d06caSMauro Carvalho Chehab { 1662917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 16630c0d06caSMauro Carvalho Chehab 16640c0d06caSMauro Carvalho Chehab switch (a->index) { 16650c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO: 16660c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television"); 16670c0d06caSMauro Carvalho Chehab break; 16680c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_LINE_IN: 16690c0d06caSMauro Carvalho Chehab strcpy(a->name, "Line In"); 16700c0d06caSMauro Carvalho Chehab break; 16710c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_VIDEO2: 16720c0d06caSMauro Carvalho Chehab strcpy(a->name, "Television alt"); 16730c0d06caSMauro Carvalho Chehab break; 16740c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PHONE: 16750c0d06caSMauro Carvalho Chehab strcpy(a->name, "Phone"); 16760c0d06caSMauro Carvalho Chehab break; 16770c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_MIC: 16780c0d06caSMauro Carvalho Chehab strcpy(a->name, "Mic"); 16790c0d06caSMauro Carvalho Chehab break; 16800c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_CD: 16810c0d06caSMauro Carvalho Chehab strcpy(a->name, "CD"); 16820c0d06caSMauro Carvalho Chehab break; 16830c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_AUX: 16840c0d06caSMauro Carvalho Chehab strcpy(a->name, "Aux"); 16850c0d06caSMauro Carvalho Chehab break; 16860c0d06caSMauro Carvalho Chehab case EM28XX_AMUX_PCM_OUT: 16870c0d06caSMauro Carvalho Chehab strcpy(a->name, "PCM"); 16880c0d06caSMauro Carvalho Chehab break; 16890c0d06caSMauro Carvalho Chehab default: 16900c0d06caSMauro Carvalho Chehab return -EINVAL; 16910c0d06caSMauro Carvalho Chehab } 16920c0d06caSMauro Carvalho Chehab 16930c0d06caSMauro Carvalho Chehab a->index = dev->ctl_ainput; 16940c0d06caSMauro Carvalho Chehab a->capability = V4L2_AUDCAP_STEREO; 16950c0d06caSMauro Carvalho Chehab 16960c0d06caSMauro Carvalho Chehab return 0; 16970c0d06caSMauro Carvalho Chehab } 16980c0d06caSMauro Carvalho Chehab 16990e8025b9SHans Verkuil static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) 17000c0d06caSMauro Carvalho Chehab { 1701917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17020c0d06caSMauro Carvalho Chehab 17030c0d06caSMauro Carvalho Chehab if (a->index >= MAX_EM28XX_INPUT) 17040c0d06caSMauro Carvalho Chehab return -EINVAL; 17050c0d06caSMauro Carvalho Chehab if (0 == INPUT(a->index)->type) 17060c0d06caSMauro Carvalho Chehab return -EINVAL; 17070c0d06caSMauro Carvalho Chehab 17080c0d06caSMauro Carvalho Chehab dev->ctl_ainput = INPUT(a->index)->amux; 17090c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = INPUT(a->index)->aout; 17100c0d06caSMauro Carvalho Chehab 17110c0d06caSMauro Carvalho Chehab if (!dev->ctl_aoutput) 17120c0d06caSMauro Carvalho Chehab dev->ctl_aoutput = EM28XX_AOUT_MASTER; 17130c0d06caSMauro Carvalho Chehab 17140c0d06caSMauro Carvalho Chehab return 0; 17150c0d06caSMauro Carvalho Chehab } 17160c0d06caSMauro Carvalho Chehab 17170c0d06caSMauro Carvalho Chehab static int vidioc_g_tuner(struct file *file, void *priv, 17180c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 17190c0d06caSMauro Carvalho Chehab { 1720917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17210c0d06caSMauro Carvalho Chehab 17220c0d06caSMauro Carvalho Chehab if (0 != t->index) 17230c0d06caSMauro Carvalho Chehab return -EINVAL; 17240c0d06caSMauro Carvalho Chehab 17250c0d06caSMauro Carvalho Chehab strcpy(t->name, "Tuner"); 17260c0d06caSMauro Carvalho Chehab 172795d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 17280c0d06caSMauro Carvalho Chehab return 0; 17290c0d06caSMauro Carvalho Chehab } 17300c0d06caSMauro Carvalho Chehab 17310c0d06caSMauro Carvalho Chehab static int vidioc_s_tuner(struct file *file, void *priv, 17322f73c7c5SHans Verkuil const struct v4l2_tuner *t) 17330c0d06caSMauro Carvalho Chehab { 1734917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17350c0d06caSMauro Carvalho Chehab 17360c0d06caSMauro Carvalho Chehab if (0 != t->index) 17370c0d06caSMauro Carvalho Chehab return -EINVAL; 17380c0d06caSMauro Carvalho Chehab 173995d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 17400c0d06caSMauro Carvalho Chehab return 0; 17410c0d06caSMauro Carvalho Chehab } 17420c0d06caSMauro Carvalho Chehab 17430c0d06caSMauro Carvalho Chehab static int vidioc_g_frequency(struct file *file, void *priv, 17440c0d06caSMauro Carvalho Chehab struct v4l2_frequency *f) 17450c0d06caSMauro Carvalho Chehab { 1746917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17473854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 17480c0d06caSMauro Carvalho Chehab 174920deebfeSHans Verkuil if (0 != f->tuner) 175020deebfeSHans Verkuil return -EINVAL; 175120deebfeSHans Verkuil 17523854b0d8SFrank Schaefer f->frequency = v4l2->frequency; 17530c0d06caSMauro Carvalho Chehab return 0; 17540c0d06caSMauro Carvalho Chehab } 17550c0d06caSMauro Carvalho Chehab 17560c0d06caSMauro Carvalho Chehab static int vidioc_s_frequency(struct file *file, void *priv, 1757b530a447SHans Verkuil const struct v4l2_frequency *f) 17580c0d06caSMauro Carvalho Chehab { 1759b530a447SHans Verkuil struct v4l2_frequency new_freq = *f; 1760917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 176195d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 17620c0d06caSMauro Carvalho Chehab 17630c0d06caSMauro Carvalho Chehab if (0 != f->tuner) 17640c0d06caSMauro Carvalho Chehab return -EINVAL; 17650c0d06caSMauro Carvalho Chehab 176695d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f); 176795d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq); 17683854b0d8SFrank Schaefer v4l2->frequency = new_freq.frequency; 17690c0d06caSMauro Carvalho Chehab 17700c0d06caSMauro Carvalho Chehab return 0; 17710c0d06caSMauro Carvalho Chehab } 17720c0d06caSMauro Carvalho Chehab 1773cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 177496b03d2aSHans Verkuil static int vidioc_g_chip_info(struct file *file, void *priv, 177596b03d2aSHans Verkuil struct v4l2_dbg_chip_info *chip) 17763b2d17b4SHans Verkuil { 1777917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 17783b2d17b4SHans Verkuil 17793b2d17b4SHans Verkuil if (chip->match.addr > 1) 17803b2d17b4SHans Verkuil return -EINVAL; 17813b2d17b4SHans Verkuil if (chip->match.addr == 1) 17823b2d17b4SHans Verkuil strlcpy(chip->name, "ac97", sizeof(chip->name)); 17833b2d17b4SHans Verkuil else 178495d2608bSFrank Schaefer strlcpy(chip->name, 178595d2608bSFrank Schaefer dev->v4l2->v4l2_dev.name, sizeof(chip->name)); 17863b2d17b4SHans Verkuil return 0; 17873b2d17b4SHans Verkuil } 17883b2d17b4SHans Verkuil 178935deba32SFrank Schaefer static int em28xx_reg_len(int reg) 179035deba32SFrank Schaefer { 179135deba32SFrank Schaefer switch (reg) { 179235deba32SFrank Schaefer case EM28XX_R40_AC97LSB: 179335deba32SFrank Schaefer case EM28XX_R30_HSCALELOW: 179435deba32SFrank Schaefer case EM28XX_R32_VSCALELOW: 179535deba32SFrank Schaefer return 2; 179635deba32SFrank Schaefer default: 179735deba32SFrank Schaefer return 1; 179835deba32SFrank Schaefer } 179935deba32SFrank Schaefer } 18000c0d06caSMauro Carvalho Chehab 18010c0d06caSMauro Carvalho Chehab static int vidioc_g_register(struct file *file, void *priv, 18020c0d06caSMauro Carvalho Chehab struct v4l2_dbg_register *reg) 18030c0d06caSMauro Carvalho Chehab { 1804917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18050c0d06caSMauro Carvalho Chehab int ret; 18060c0d06caSMauro Carvalho Chehab 18073b2d17b4SHans Verkuil if (reg->match.addr > 1) 18083b2d17b4SHans Verkuil return -EINVAL; 1809abca2056SHans Verkuil if (reg->match.addr) { 18100c0d06caSMauro Carvalho Chehab ret = em28xx_read_ac97(dev, reg->reg); 18110c0d06caSMauro Carvalho Chehab if (ret < 0) 18120c0d06caSMauro Carvalho Chehab return ret; 18130c0d06caSMauro Carvalho Chehab 18140c0d06caSMauro Carvalho Chehab reg->val = ret; 18150c0d06caSMauro Carvalho Chehab reg->size = 1; 18160c0d06caSMauro Carvalho Chehab return 0; 18170c0d06caSMauro Carvalho Chehab } 18180c0d06caSMauro Carvalho Chehab 18190c0d06caSMauro Carvalho Chehab /* Match host */ 18200c0d06caSMauro Carvalho Chehab reg->size = em28xx_reg_len(reg->reg); 18210c0d06caSMauro Carvalho Chehab if (reg->size == 1) { 18220c0d06caSMauro Carvalho Chehab ret = em28xx_read_reg(dev, reg->reg); 18230c0d06caSMauro Carvalho Chehab 18240c0d06caSMauro Carvalho Chehab if (ret < 0) 18250c0d06caSMauro Carvalho Chehab return ret; 18260c0d06caSMauro Carvalho Chehab 18270c0d06caSMauro Carvalho Chehab reg->val = ret; 18280c0d06caSMauro Carvalho Chehab } else { 18290c0d06caSMauro Carvalho Chehab __le16 val = 0; 1830fdf1bc9fSMauro Carvalho Chehab 183101c28193SMauro Carvalho Chehab ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, 18320c0d06caSMauro Carvalho Chehab reg->reg, (char *)&val, 2); 18330c0d06caSMauro Carvalho Chehab if (ret < 0) 18340c0d06caSMauro Carvalho Chehab return ret; 18350c0d06caSMauro Carvalho Chehab 18360c0d06caSMauro Carvalho Chehab reg->val = le16_to_cpu(val); 18370c0d06caSMauro Carvalho Chehab } 18380c0d06caSMauro Carvalho Chehab 18390c0d06caSMauro Carvalho Chehab return 0; 18400c0d06caSMauro Carvalho Chehab } 18410c0d06caSMauro Carvalho Chehab 18420c0d06caSMauro Carvalho Chehab static int vidioc_s_register(struct file *file, void *priv, 1843977ba3b1SHans Verkuil const struct v4l2_dbg_register *reg) 18440c0d06caSMauro Carvalho Chehab { 1845917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 18460c0d06caSMauro Carvalho Chehab __le16 buf; 18470c0d06caSMauro Carvalho Chehab 18483b2d17b4SHans Verkuil if (reg->match.addr > 1) 18493b2d17b4SHans Verkuil return -EINVAL; 1850abca2056SHans Verkuil if (reg->match.addr) 18510c0d06caSMauro Carvalho Chehab return em28xx_write_ac97(dev, reg->reg, reg->val); 18520c0d06caSMauro Carvalho Chehab 18530c0d06caSMauro Carvalho Chehab /* Match host */ 18540c0d06caSMauro Carvalho Chehab buf = cpu_to_le16(reg->val); 18550c0d06caSMauro Carvalho Chehab 18560c0d06caSMauro Carvalho Chehab return em28xx_write_regs(dev, reg->reg, (char *)&buf, 18570c0d06caSMauro Carvalho Chehab em28xx_reg_len(reg->reg)); 18580c0d06caSMauro Carvalho Chehab } 18590c0d06caSMauro Carvalho Chehab #endif 18600c0d06caSMauro Carvalho Chehab 18610c0d06caSMauro Carvalho Chehab static int vidioc_querycap(struct file *file, void *priv, 18620c0d06caSMauro Carvalho Chehab struct v4l2_capability *cap) 18630c0d06caSMauro Carvalho Chehab { 1864a9d79fe5SHans Verkuil struct video_device *vdev = video_devdata(file); 1865917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1866ef74a0b9SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 1867c6d48134SMauro Carvalho Chehab struct usb_device *udev = interface_to_usbdev(dev->intf); 18680c0d06caSMauro Carvalho Chehab 18690c0d06caSMauro Carvalho Chehab strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); 18700c0d06caSMauro Carvalho Chehab strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); 1871c6d48134SMauro Carvalho Chehab usb_make_path(udev, cap->bus_info, sizeof(cap->bus_info)); 18720c0d06caSMauro Carvalho Chehab 1873a9d79fe5SHans Verkuil if (vdev->vfl_type == VFL_TYPE_GRABBER) 1874a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | 1875a9d79fe5SHans Verkuil V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1876a9d79fe5SHans Verkuil else if (vdev->vfl_type == VFL_TYPE_RADIO) 1877a9d79fe5SHans Verkuil cap->device_caps = V4L2_CAP_RADIO; 1878a9d79fe5SHans Verkuil else 18791d179eeeSHans Verkuil cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE; 18800c0d06caSMauro Carvalho Chehab 1881920f1e4aSFrank Schaefer if (dev->int_audio_type != EM28XX_INT_AUDIO_NONE) 1882a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_AUDIO; 18830c0d06caSMauro Carvalho Chehab 18840c0d06caSMauro Carvalho Chehab if (dev->tuner_type != TUNER_ABSENT) 1885a9d79fe5SHans Verkuil cap->device_caps |= V4L2_CAP_TUNER; 18860c0d06caSMauro Carvalho Chehab 1887a9d79fe5SHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | 1888a9d79fe5SHans Verkuil V4L2_CAP_READWRITE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; 1889d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 18901d179eeeSHans Verkuil cap->capabilities |= V4L2_CAP_VBI_CAPTURE; 1891d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) 1892a9d79fe5SHans Verkuil cap->capabilities |= V4L2_CAP_RADIO; 18930c0d06caSMauro Carvalho Chehab return 0; 18940c0d06caSMauro Carvalho Chehab } 18950c0d06caSMauro Carvalho Chehab 18960c0d06caSMauro Carvalho Chehab static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 18970c0d06caSMauro Carvalho Chehab struct v4l2_fmtdesc *f) 18980c0d06caSMauro Carvalho Chehab { 18990c0d06caSMauro Carvalho Chehab if (unlikely(f->index >= ARRAY_SIZE(format))) 19000c0d06caSMauro Carvalho Chehab return -EINVAL; 19010c0d06caSMauro Carvalho Chehab 19020c0d06caSMauro Carvalho Chehab strlcpy(f->description, format[f->index].name, sizeof(f->description)); 19030c0d06caSMauro Carvalho Chehab f->pixelformat = format[f->index].fourcc; 19040c0d06caSMauro Carvalho Chehab 19050c0d06caSMauro Carvalho Chehab return 0; 19060c0d06caSMauro Carvalho Chehab } 19070c0d06caSMauro Carvalho Chehab 19080c0d06caSMauro Carvalho Chehab static int vidioc_enum_framesizes(struct file *file, void *priv, 19090c0d06caSMauro Carvalho Chehab struct v4l2_frmsizeenum *fsize) 19100c0d06caSMauro Carvalho Chehab { 1911917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 19120c0d06caSMauro Carvalho Chehab struct em28xx_fmt *fmt; 19130c0d06caSMauro Carvalho Chehab unsigned int maxw = norm_maxw(dev); 19140c0d06caSMauro Carvalho Chehab unsigned int maxh = norm_maxh(dev); 19150c0d06caSMauro Carvalho Chehab 19160c0d06caSMauro Carvalho Chehab fmt = format_by_fourcc(fsize->pixel_format); 19170c0d06caSMauro Carvalho Chehab if (!fmt) { 19180c0d06caSMauro Carvalho Chehab em28xx_videodbg("Fourcc format (%08x) invalid.\n", 19190c0d06caSMauro Carvalho Chehab fsize->pixel_format); 19200c0d06caSMauro Carvalho Chehab return -EINVAL; 19210c0d06caSMauro Carvalho Chehab } 19220c0d06caSMauro Carvalho Chehab 19230c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) { 19240c0d06caSMauro Carvalho Chehab if (fsize->index > 1) 19250c0d06caSMauro Carvalho Chehab return -EINVAL; 19260c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 19270c0d06caSMauro Carvalho Chehab fsize->discrete.width = maxw / (1 + fsize->index); 19280c0d06caSMauro Carvalho Chehab fsize->discrete.height = maxh / (1 + fsize->index); 19290c0d06caSMauro Carvalho Chehab return 0; 19300c0d06caSMauro Carvalho Chehab } 19310c0d06caSMauro Carvalho Chehab 19320c0d06caSMauro Carvalho Chehab if (fsize->index != 0) 19330c0d06caSMauro Carvalho Chehab return -EINVAL; 19340c0d06caSMauro Carvalho Chehab 19350c0d06caSMauro Carvalho Chehab /* Report a continuous range */ 19360c0d06caSMauro Carvalho Chehab fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 19376c3598e6SFrank Schaefer scale_to_size(dev, EM28XX_HVSCALE_MAX, EM28XX_HVSCALE_MAX, 19386c3598e6SFrank Schaefer &fsize->stepwise.min_width, &fsize->stepwise.min_height); 19396c3598e6SFrank Schaefer if (fsize->stepwise.min_width < 48) 19400c0d06caSMauro Carvalho Chehab fsize->stepwise.min_width = 48; 19416c3598e6SFrank Schaefer if (fsize->stepwise.min_height < 38) 19426c3598e6SFrank Schaefer fsize->stepwise.min_height = 38; 19430c0d06caSMauro Carvalho Chehab fsize->stepwise.max_width = maxw; 19440c0d06caSMauro Carvalho Chehab fsize->stepwise.max_height = maxh; 19450c0d06caSMauro Carvalho Chehab fsize->stepwise.step_width = 1; 19460c0d06caSMauro Carvalho Chehab fsize->stepwise.step_height = 1; 19470c0d06caSMauro Carvalho Chehab return 0; 19480c0d06caSMauro Carvalho Chehab } 19490c0d06caSMauro Carvalho Chehab 19500c0d06caSMauro Carvalho Chehab /* RAW VBI ioctls */ 19510c0d06caSMauro Carvalho Chehab 19520c0d06caSMauro Carvalho Chehab static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, 19530c0d06caSMauro Carvalho Chehab struct v4l2_format *format) 19540c0d06caSMauro Carvalho Chehab { 1955917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 1956753aee77SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 19570c0d06caSMauro Carvalho Chehab 1958753aee77SFrank Schaefer format->fmt.vbi.samples_per_line = v4l2->vbi_width; 19590c0d06caSMauro Carvalho Chehab format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; 19600c0d06caSMauro Carvalho Chehab format->fmt.vbi.offset = 0; 19610c0d06caSMauro Carvalho Chehab format->fmt.vbi.flags = 0; 19620c0d06caSMauro Carvalho Chehab format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; 1963753aee77SFrank Schaefer format->fmt.vbi.count[0] = v4l2->vbi_height; 1964753aee77SFrank Schaefer format->fmt.vbi.count[1] = v4l2->vbi_height; 19652a221d34SHans Verkuil memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); 19660c0d06caSMauro Carvalho Chehab 19670c0d06caSMauro Carvalho Chehab /* Varies by video standard (NTSC, PAL, etc.) */ 196852faaf78SFrank Schaefer if (v4l2->norm & V4L2_STD_525_60) { 19690c0d06caSMauro Carvalho Chehab /* NTSC */ 19700c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 10; 19710c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 273; 197252faaf78SFrank Schaefer } else if (v4l2->norm & V4L2_STD_625_50) { 19730c0d06caSMauro Carvalho Chehab /* PAL */ 19740c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[0] = 6; 19750c0d06caSMauro Carvalho Chehab format->fmt.vbi.start[1] = 318; 19760c0d06caSMauro Carvalho Chehab } 19770c0d06caSMauro Carvalho Chehab 19780c0d06caSMauro Carvalho Chehab return 0; 19790c0d06caSMauro Carvalho Chehab } 19800c0d06caSMauro Carvalho Chehab 19810c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 19820c0d06caSMauro Carvalho Chehab /* RADIO ESPECIFIC IOCTLS */ 19830c0d06caSMauro Carvalho Chehab /* ----------------------------------------------------------- */ 19840c0d06caSMauro Carvalho Chehab 19850c0d06caSMauro Carvalho Chehab static int radio_g_tuner(struct file *file, void *priv, 19860c0d06caSMauro Carvalho Chehab struct v4l2_tuner *t) 19870c0d06caSMauro Carvalho Chehab { 1988917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 19890c0d06caSMauro Carvalho Chehab 19900c0d06caSMauro Carvalho Chehab if (unlikely(t->index > 0)) 19910c0d06caSMauro Carvalho Chehab return -EINVAL; 19920c0d06caSMauro Carvalho Chehab 19930c0d06caSMauro Carvalho Chehab strcpy(t->name, "Radio"); 19940c0d06caSMauro Carvalho Chehab 199595d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, g_tuner, t); 19960c0d06caSMauro Carvalho Chehab 19970c0d06caSMauro Carvalho Chehab return 0; 19980c0d06caSMauro Carvalho Chehab } 19990c0d06caSMauro Carvalho Chehab 20000c0d06caSMauro Carvalho Chehab static int radio_s_tuner(struct file *file, void *priv, 20012f73c7c5SHans Verkuil const struct v4l2_tuner *t) 20020c0d06caSMauro Carvalho Chehab { 2003917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(file); 20040c0d06caSMauro Carvalho Chehab 20050c0d06caSMauro Carvalho Chehab if (0 != t->index) 20060c0d06caSMauro Carvalho Chehab return -EINVAL; 20070c0d06caSMauro Carvalho Chehab 200895d2608bSFrank Schaefer v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, tuner, s_tuner, t); 20090c0d06caSMauro Carvalho Chehab 20100c0d06caSMauro Carvalho Chehab return 0; 20110c0d06caSMauro Carvalho Chehab } 20120c0d06caSMauro Carvalho Chehab 20130c0d06caSMauro Carvalho Chehab /* 201495d2608bSFrank Schaefer * em28xx_free_v4l2() - Free struct em28xx_v4l2 201595d2608bSFrank Schaefer * 201695d2608bSFrank Schaefer * @ref: struct kref for struct em28xx_v4l2 201795d2608bSFrank Schaefer * 201895d2608bSFrank Schaefer * Called when all users of struct em28xx_v4l2 are gone 201995d2608bSFrank Schaefer */ 2020f472c0b5SMauro Carvalho Chehab static void em28xx_free_v4l2(struct kref *ref) 202195d2608bSFrank Schaefer { 202295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = container_of(ref, struct em28xx_v4l2, ref); 202395d2608bSFrank Schaefer 2024abc1308fSFrank Schaefer v4l2->dev->v4l2 = NULL; 202595d2608bSFrank Schaefer kfree(v4l2); 202695d2608bSFrank Schaefer } 202795d2608bSFrank Schaefer 202895d2608bSFrank Schaefer /* 20290c0d06caSMauro Carvalho Chehab * em28xx_v4l2_open() 20300c0d06caSMauro Carvalho Chehab * inits the device and starts isoc transfer 20310c0d06caSMauro Carvalho Chehab */ 20320c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_open(struct file *filp) 20330c0d06caSMauro Carvalho Chehab { 20340c0d06caSMauro Carvalho Chehab struct video_device *vdev = video_devdata(filp); 20350c0d06caSMauro Carvalho Chehab struct em28xx *dev = video_drvdata(filp); 203695d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 20370c0d06caSMauro Carvalho Chehab enum v4l2_buf_type fh_type = 0; 20383c0f90e1SFrank Schaefer int ret; 20390c0d06caSMauro Carvalho Chehab 20400c0d06caSMauro Carvalho Chehab switch (vdev->vfl_type) { 20410c0d06caSMauro Carvalho Chehab case VFL_TYPE_GRABBER: 20420c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 20430c0d06caSMauro Carvalho Chehab break; 20440c0d06caSMauro Carvalho Chehab case VFL_TYPE_VBI: 20450c0d06caSMauro Carvalho Chehab fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; 20460c0d06caSMauro Carvalho Chehab break; 20474e170240SFrank Schaefer case VFL_TYPE_RADIO: 20484e170240SFrank Schaefer break; 20494e170240SFrank Schaefer default: 20504e170240SFrank Schaefer return -EINVAL; 20510c0d06caSMauro Carvalho Chehab } 20520c0d06caSMauro Carvalho Chehab 20538e2c8717SFrank Schaefer em28xx_videodbg("open dev=%s type=%s users=%d\n", 20548e2c8717SFrank Schaefer video_device_node_name(vdev), v4l2_type_names[fh_type], 20558e2c8717SFrank Schaefer v4l2->users); 20560c0d06caSMauro Carvalho Chehab 20570c0d06caSMauro Carvalho Chehab if (mutex_lock_interruptible(&dev->lock)) 20580c0d06caSMauro Carvalho Chehab return -ERESTARTSYS; 20593c0f90e1SFrank Schaefer 20603c0f90e1SFrank Schaefer ret = v4l2_fh_open(filp); 20613c0f90e1SFrank Schaefer if (ret) { 206229b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2063ce8591ffSMauro Carvalho Chehab "%s: v4l2_fh_open() returned error %d\n", 20643c0f90e1SFrank Schaefer __func__, ret); 20650c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 20663c0f90e1SFrank Schaefer return ret; 20670c0d06caSMauro Carvalho Chehab } 20680c0d06caSMauro Carvalho Chehab 20698e2c8717SFrank Schaefer if (v4l2->users == 0) { 20700c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_ANALOG_MODE); 20714e170240SFrank Schaefer 20724e170240SFrank Schaefer if (vdev->vfl_type != VFL_TYPE_RADIO) 20730c0d06caSMauro Carvalho Chehab em28xx_resolution_set(dev); 20740c0d06caSMauro Carvalho Chehab 20754e170240SFrank Schaefer /* 20764e170240SFrank Schaefer * Needed, since GPIO might have disabled power 20774e170240SFrank Schaefer * of some i2c devices 20780c0d06caSMauro Carvalho Chehab */ 20790c0d06caSMauro Carvalho Chehab em28xx_wake_i2c(dev); 20800c0d06caSMauro Carvalho Chehab } 2081d3829fadSDevin Heitmueller 2082d3829fadSDevin Heitmueller if (vdev->vfl_type == VFL_TYPE_RADIO) { 20830c0d06caSMauro Carvalho Chehab em28xx_videodbg("video_open: setting radio device\n"); 208495d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_radio); 20850c0d06caSMauro Carvalho Chehab } 20860c0d06caSMauro Carvalho Chehab 208747677e51SMauro Carvalho Chehab kref_get(&dev->ref); 208895d2608bSFrank Schaefer kref_get(&v4l2->ref); 20898e2c8717SFrank Schaefer v4l2->users++; 20900c0d06caSMauro Carvalho Chehab 20910c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 20920c0d06caSMauro Carvalho Chehab 2093d3829fadSDevin Heitmueller return 0; 20940c0d06caSMauro Carvalho Chehab } 20950c0d06caSMauro Carvalho Chehab 20960c0d06caSMauro Carvalho Chehab /* 209701c28193SMauro Carvalho Chehab * em28xx_v4l2_fini() 20980c0d06caSMauro Carvalho Chehab * unregisters the v4l2,i2c and usb devices 20990c0d06caSMauro Carvalho Chehab * called when the device gets disconected or at module unload 21000c0d06caSMauro Carvalho Chehab */ 210101c28193SMauro Carvalho Chehab static int em28xx_v4l2_fini(struct em28xx *dev) 21020c0d06caSMauro Carvalho Chehab { 210395d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 210495d2608bSFrank Schaefer 2105822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2106822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2107822b8deaSMauro Carvalho Chehab return 0; 2108822b8deaSMauro Carvalho Chehab } 2109822b8deaSMauro Carvalho Chehab 211001c28193SMauro Carvalho Chehab if (!dev->has_video) { 211101c28193SMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 211201c28193SMauro Carvalho Chehab return 0; 211301c28193SMauro Carvalho Chehab } 21140c0d06caSMauro Carvalho Chehab 211595d2608bSFrank Schaefer if (v4l2 == NULL) 211695d2608bSFrank Schaefer return 0; 211795d2608bSFrank Schaefer 211829b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "Closing video extension\n"); 2119aa929ad7SMauro Carvalho Chehab 2120ebbfbc20SMauro Carvalho Chehab mutex_lock(&dev->lock); 2121ebbfbc20SMauro Carvalho Chehab 212295d2608bSFrank Schaefer v4l2_device_disconnect(&v4l2->v4l2_dev); 21235ad10de6SFrank Schaefer 212423e8642cSFrank Schaefer em28xx_uninit_usb_xfer(dev, EM28XX_ANALOG_MODE); 212523e8642cSFrank Schaefer 212637ecc7b1SMauro Carvalho Chehab em28xx_v4l2_media_release(dev); 212737ecc7b1SMauro Carvalho Chehab 2128d4352f36SHans Verkuil if (video_is_registered(&v4l2->radio_dev)) { 212929b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", 2130d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 2131d4352f36SHans Verkuil video_unregister_device(&v4l2->radio_dev); 21320c0d06caSMauro Carvalho Chehab } 2133d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) { 213429b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", 2135d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 2136d4352f36SHans Verkuil video_unregister_device(&v4l2->vbi_dev); 21370c0d06caSMauro Carvalho Chehab } 2138d4352f36SHans Verkuil if (video_is_registered(&v4l2->vdev)) { 213929b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n", 2140d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 2141d4352f36SHans Verkuil video_unregister_device(&v4l2->vdev); 21420c0d06caSMauro Carvalho Chehab } 214301c28193SMauro Carvalho Chehab 2144abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 214595d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2146103f18a2SFrank Schaefer 214795d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 214895d2608bSFrank Schaefer 2149ebbfbc20SMauro Carvalho Chehab mutex_unlock(&dev->lock); 215095d2608bSFrank Schaefer 215147677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 21525ad10de6SFrank Schaefer 215301c28193SMauro Carvalho Chehab return 0; 21540c0d06caSMauro Carvalho Chehab } 21550c0d06caSMauro Carvalho Chehab 2156a61f6811SShuah Khan static int em28xx_v4l2_suspend(struct em28xx *dev) 2157a61f6811SShuah Khan { 2158a61f6811SShuah Khan if (dev->is_audio_only) 2159a61f6811SShuah Khan return 0; 2160a61f6811SShuah Khan 2161a61f6811SShuah Khan if (!dev->has_video) 2162a61f6811SShuah Khan return 0; 2163a61f6811SShuah Khan 216429b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "Suspending video extension\n"); 2165a61f6811SShuah Khan em28xx_stop_urbs(dev); 2166a61f6811SShuah Khan return 0; 2167a61f6811SShuah Khan } 2168a61f6811SShuah Khan 2169a61f6811SShuah Khan static int em28xx_v4l2_resume(struct em28xx *dev) 2170a61f6811SShuah Khan { 2171a61f6811SShuah Khan if (dev->is_audio_only) 2172a61f6811SShuah Khan return 0; 2173a61f6811SShuah Khan 2174a61f6811SShuah Khan if (!dev->has_video) 2175a61f6811SShuah Khan return 0; 2176a61f6811SShuah Khan 217729b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "Resuming video extension\n"); 2178a61f6811SShuah Khan /* what do we do here */ 2179a61f6811SShuah Khan return 0; 2180a61f6811SShuah Khan } 2181a61f6811SShuah Khan 21820c0d06caSMauro Carvalho Chehab /* 21830c0d06caSMauro Carvalho Chehab * em28xx_v4l2_close() 21840c0d06caSMauro Carvalho Chehab * stops streaming and deallocates all resources allocated by the v4l2 21850c0d06caSMauro Carvalho Chehab * calls and ioctls 21860c0d06caSMauro Carvalho Chehab */ 21870c0d06caSMauro Carvalho Chehab static int em28xx_v4l2_close(struct file *filp) 21880c0d06caSMauro Carvalho Chehab { 2189917ba6b0SFrank Schaefer struct em28xx *dev = video_drvdata(filp); 219095d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 2191c6d48134SMauro Carvalho Chehab struct usb_device *udev = interface_to_usbdev(dev->intf); 21920c0d06caSMauro Carvalho Chehab int errCode; 21930c0d06caSMauro Carvalho Chehab 21948e2c8717SFrank Schaefer em28xx_videodbg("users=%d\n", v4l2->users); 21958e2c8717SFrank Schaefer 21968e2c8717SFrank Schaefer vb2_fop_release(filp); 219798c24dcdSRicardo Ribalda mutex_lock(&dev->lock); 21980c0d06caSMauro Carvalho Chehab 21998e2c8717SFrank Schaefer if (v4l2->users == 1) { 220047677e51SMauro Carvalho Chehab /* No sense to try to write to the device */ 220147677e51SMauro Carvalho Chehab if (dev->disconnected) 220201c28193SMauro Carvalho Chehab goto exit; 22030c0d06caSMauro Carvalho Chehab 22040c0d06caSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 220595d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 22060c0d06caSMauro Carvalho Chehab 22070c0d06caSMauro Carvalho Chehab /* do this before setting alternate! */ 22080c0d06caSMauro Carvalho Chehab em28xx_set_mode(dev, EM28XX_SUSPEND); 22090c0d06caSMauro Carvalho Chehab 22100c0d06caSMauro Carvalho Chehab /* set alternate 0 */ 22110c0d06caSMauro Carvalho Chehab dev->alt = 0; 22120c0d06caSMauro Carvalho Chehab em28xx_videodbg("setting alternate 0\n"); 2213c6d48134SMauro Carvalho Chehab errCode = usb_set_interface(udev, 0, 0); 22140c0d06caSMauro Carvalho Chehab if (errCode < 0) { 221529b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2216ce8591ffSMauro Carvalho Chehab "cannot change alternate number to 0 (error=%i)\n", 22178314d402SMauro Carvalho Chehab errCode); 22180c0d06caSMauro Carvalho Chehab } 22190c0d06caSMauro Carvalho Chehab } 22200c0d06caSMauro Carvalho Chehab 222101c28193SMauro Carvalho Chehab exit: 22228e2c8717SFrank Schaefer v4l2->users--; 222395d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 22240c0d06caSMauro Carvalho Chehab mutex_unlock(&dev->lock); 222547677e51SMauro Carvalho Chehab kref_put(&dev->ref, em28xx_free_device); 222647677e51SMauro Carvalho Chehab 22270c0d06caSMauro Carvalho Chehab return 0; 22280c0d06caSMauro Carvalho Chehab } 22290c0d06caSMauro Carvalho Chehab 22300c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations em28xx_v4l_fops = { 22310c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22320c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22330c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 2234d3829fadSDevin Heitmueller .read = vb2_fop_read, 2235d3829fadSDevin Heitmueller .poll = vb2_fop_poll, 2236d3829fadSDevin Heitmueller .mmap = vb2_fop_mmap, 22370c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22380c0d06caSMauro Carvalho Chehab }; 22390c0d06caSMauro Carvalho Chehab 22400c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops video_ioctl_ops = { 22410c0d06caSMauro Carvalho Chehab .vidioc_querycap = vidioc_querycap, 22420c0d06caSMauro Carvalho Chehab .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 22430c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 22440c0d06caSMauro Carvalho Chehab .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 22450c0d06caSMauro Carvalho Chehab .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 22460c0d06caSMauro Carvalho Chehab .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 22472a221d34SHans Verkuil .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 2248aab34618SFrank Schaefer .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 22490c0d06caSMauro Carvalho Chehab .vidioc_enum_framesizes = vidioc_enum_framesizes, 22500c0d06caSMauro Carvalho Chehab .vidioc_g_audio = vidioc_g_audio, 22510c0d06caSMauro Carvalho Chehab .vidioc_s_audio = vidioc_s_audio, 22520c0d06caSMauro Carvalho Chehab 2253d3829fadSDevin Heitmueller .vidioc_reqbufs = vb2_ioctl_reqbufs, 2254d3829fadSDevin Heitmueller .vidioc_create_bufs = vb2_ioctl_create_bufs, 2255d3829fadSDevin Heitmueller .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 2256d3829fadSDevin Heitmueller .vidioc_querybuf = vb2_ioctl_querybuf, 2257d3829fadSDevin Heitmueller .vidioc_qbuf = vb2_ioctl_qbuf, 2258d3829fadSDevin Heitmueller .vidioc_dqbuf = vb2_ioctl_dqbuf, 2259d3829fadSDevin Heitmueller 22600c0d06caSMauro Carvalho Chehab .vidioc_g_std = vidioc_g_std, 22610c0d06caSMauro Carvalho Chehab .vidioc_querystd = vidioc_querystd, 22620c0d06caSMauro Carvalho Chehab .vidioc_s_std = vidioc_s_std, 22630c0d06caSMauro Carvalho Chehab .vidioc_g_parm = vidioc_g_parm, 22640c0d06caSMauro Carvalho Chehab .vidioc_s_parm = vidioc_s_parm, 22650c0d06caSMauro Carvalho Chehab .vidioc_enum_input = vidioc_enum_input, 22660c0d06caSMauro Carvalho Chehab .vidioc_g_input = vidioc_g_input, 22670c0d06caSMauro Carvalho Chehab .vidioc_s_input = vidioc_s_input, 2268d3829fadSDevin Heitmueller .vidioc_streamon = vb2_ioctl_streamon, 2269d3829fadSDevin Heitmueller .vidioc_streamoff = vb2_ioctl_streamoff, 22700c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = vidioc_g_tuner, 22710c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = vidioc_s_tuner, 22720c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 22730c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 227450fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 227550fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 22760c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 227796b03d2aSHans Verkuil .vidioc_g_chip_info = vidioc_g_chip_info, 22780c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 22790c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 22800c0d06caSMauro Carvalho Chehab #endif 22810c0d06caSMauro Carvalho Chehab }; 22820c0d06caSMauro Carvalho Chehab 22830c0d06caSMauro Carvalho Chehab static const struct video_device em28xx_video_template = { 22840c0d06caSMauro Carvalho Chehab .fops = &em28xx_v4l_fops, 22850c0d06caSMauro Carvalho Chehab .ioctl_ops = &video_ioctl_ops, 2286d4352f36SHans Verkuil .release = video_device_release_empty, 22870c0d06caSMauro Carvalho Chehab .tvnorms = V4L2_STD_ALL, 22880c0d06caSMauro Carvalho Chehab }; 22890c0d06caSMauro Carvalho Chehab 22900c0d06caSMauro Carvalho Chehab static const struct v4l2_file_operations radio_fops = { 22910c0d06caSMauro Carvalho Chehab .owner = THIS_MODULE, 22920c0d06caSMauro Carvalho Chehab .open = em28xx_v4l2_open, 22930c0d06caSMauro Carvalho Chehab .release = em28xx_v4l2_close, 22940c0d06caSMauro Carvalho Chehab .unlocked_ioctl = video_ioctl2, 22950c0d06caSMauro Carvalho Chehab }; 22960c0d06caSMauro Carvalho Chehab 22970c0d06caSMauro Carvalho Chehab static const struct v4l2_ioctl_ops radio_ioctl_ops = { 2298a9d79fe5SHans Verkuil .vidioc_querycap = vidioc_querycap, 22990c0d06caSMauro Carvalho Chehab .vidioc_g_tuner = radio_g_tuner, 23000c0d06caSMauro Carvalho Chehab .vidioc_s_tuner = radio_s_tuner, 23010c0d06caSMauro Carvalho Chehab .vidioc_g_frequency = vidioc_g_frequency, 23020c0d06caSMauro Carvalho Chehab .vidioc_s_frequency = vidioc_s_frequency, 230350fdf40fSHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 230450fdf40fSHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 23050c0d06caSMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2306430c73faSMichal Marek .vidioc_g_chip_info = vidioc_g_chip_info, 23070c0d06caSMauro Carvalho Chehab .vidioc_g_register = vidioc_g_register, 23080c0d06caSMauro Carvalho Chehab .vidioc_s_register = vidioc_s_register, 23090c0d06caSMauro Carvalho Chehab #endif 23100c0d06caSMauro Carvalho Chehab }; 23110c0d06caSMauro Carvalho Chehab 23120c0d06caSMauro Carvalho Chehab static struct video_device em28xx_radio_template = { 23130c0d06caSMauro Carvalho Chehab .fops = &radio_fops, 23140c0d06caSMauro Carvalho Chehab .ioctl_ops = &radio_ioctl_ops, 2315d4352f36SHans Verkuil .release = video_device_release_empty, 23160c0d06caSMauro Carvalho Chehab }; 23170c0d06caSMauro Carvalho Chehab 2318b64f8e9aSMauro Carvalho Chehab /* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */ 2319b64f8e9aSMauro Carvalho Chehab static unsigned short saa711x_addrs[] = { 2320b64f8e9aSMauro Carvalho Chehab 0x4a >> 1, 0x48 >> 1, /* SAA7111, SAA7111A and SAA7113 */ 2321b64f8e9aSMauro Carvalho Chehab 0x42 >> 1, 0x40 >> 1, /* SAA7114, SAA7115 and SAA7118 */ 2322b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END }; 2323b64f8e9aSMauro Carvalho Chehab 2324b64f8e9aSMauro Carvalho Chehab static unsigned short tvp5150_addrs[] = { 2325b64f8e9aSMauro Carvalho Chehab 0xb8 >> 1, 2326b64f8e9aSMauro Carvalho Chehab 0xba >> 1, 2327b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2328b64f8e9aSMauro Carvalho Chehab }; 2329b64f8e9aSMauro Carvalho Chehab 2330b64f8e9aSMauro Carvalho Chehab static unsigned short msp3400_addrs[] = { 2331b64f8e9aSMauro Carvalho Chehab 0x80 >> 1, 2332b64f8e9aSMauro Carvalho Chehab 0x88 >> 1, 2333b64f8e9aSMauro Carvalho Chehab I2C_CLIENT_END 2334b64f8e9aSMauro Carvalho Chehab }; 2335b64f8e9aSMauro Carvalho Chehab 23360c0d06caSMauro Carvalho Chehab /******************************** usb interface ******************************/ 23370c0d06caSMauro Carvalho Chehab 2338d4352f36SHans Verkuil static void em28xx_vdev_init(struct em28xx *dev, 2339d4352f36SHans Verkuil struct video_device *vfd, 23400c0d06caSMauro Carvalho Chehab const struct video_device *template, 23410c0d06caSMauro Carvalho Chehab const char *type_name) 23420c0d06caSMauro Carvalho Chehab { 23430c0d06caSMauro Carvalho Chehab *vfd = *template; 234495d2608bSFrank Schaefer vfd->v4l2_dev = &dev->v4l2->v4l2_dev; 23450c0d06caSMauro Carvalho Chehab vfd->lock = &dev->lock; 2346d8c95c08SHans Verkuil if (dev->board.is_webcam) 2347d8c95c08SHans Verkuil vfd->tvnorms = 0; 23480c0d06caSMauro Carvalho Chehab 23490c0d06caSMauro Carvalho Chehab snprintf(vfd->name, sizeof(vfd->name), "%s %s", 235029b05e22SMauro Carvalho Chehab dev_name(&dev->intf->dev), type_name); 23510c0d06caSMauro Carvalho Chehab 23520c0d06caSMauro Carvalho Chehab video_set_drvdata(vfd, dev); 23530c0d06caSMauro Carvalho Chehab } 23540c0d06caSMauro Carvalho Chehab 23553319e6f8SFrank Schaefer static void em28xx_tuner_setup(struct em28xx *dev, unsigned short tuner_addr) 23560560f337SMauro Carvalho Chehab { 23573854b0d8SFrank Schaefer struct em28xx_v4l2 *v4l2 = dev->v4l2; 23583854b0d8SFrank Schaefer struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; 23590560f337SMauro Carvalho Chehab struct tuner_setup tun_setup; 23600560f337SMauro Carvalho Chehab struct v4l2_frequency f; 23610560f337SMauro Carvalho Chehab 23620560f337SMauro Carvalho Chehab memset(&tun_setup, 0, sizeof(tun_setup)); 23630560f337SMauro Carvalho Chehab 23640560f337SMauro Carvalho Chehab tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; 23650560f337SMauro Carvalho Chehab tun_setup.tuner_callback = em28xx_tuner_callback; 23660560f337SMauro Carvalho Chehab 23670560f337SMauro Carvalho Chehab if (dev->board.radio.type) { 23680560f337SMauro Carvalho Chehab tun_setup.type = dev->board.radio.type; 23690560f337SMauro Carvalho Chehab tun_setup.addr = dev->board.radio_addr; 23700560f337SMauro Carvalho Chehab 237195d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 237295d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 23730560f337SMauro Carvalho Chehab } 23740560f337SMauro Carvalho Chehab 23750560f337SMauro Carvalho Chehab if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) { 23760560f337SMauro Carvalho Chehab tun_setup.type = dev->tuner_type; 23773319e6f8SFrank Schaefer tun_setup.addr = tuner_addr; 23780560f337SMauro Carvalho Chehab 237995d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 238095d2608bSFrank Schaefer 0, tuner, s_type_addr, &tun_setup); 23810560f337SMauro Carvalho Chehab } 23820560f337SMauro Carvalho Chehab 23836867bd5aSFrank Schaefer if (dev->board.tda9887_conf) { 23840560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config tda9887_cfg; 23850560f337SMauro Carvalho Chehab 23860560f337SMauro Carvalho Chehab tda9887_cfg.tuner = TUNER_TDA9887; 23876867bd5aSFrank Schaefer tda9887_cfg.priv = &dev->board.tda9887_conf; 23880560f337SMauro Carvalho Chehab 238995d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 239095d2608bSFrank Schaefer 0, tuner, s_config, &tda9887_cfg); 23910560f337SMauro Carvalho Chehab } 23920560f337SMauro Carvalho Chehab 23930560f337SMauro Carvalho Chehab if (dev->tuner_type == TUNER_XC2028) { 23940560f337SMauro Carvalho Chehab struct v4l2_priv_tun_config xc2028_cfg; 23950560f337SMauro Carvalho Chehab struct xc2028_ctrl ctl; 23960560f337SMauro Carvalho Chehab 23970560f337SMauro Carvalho Chehab memset(&xc2028_cfg, 0, sizeof(xc2028_cfg)); 23980560f337SMauro Carvalho Chehab memset(&ctl, 0, sizeof(ctl)); 23990560f337SMauro Carvalho Chehab 24000560f337SMauro Carvalho Chehab em28xx_setup_xc3028(dev, &ctl); 24010560f337SMauro Carvalho Chehab 24020560f337SMauro Carvalho Chehab xc2028_cfg.tuner = TUNER_XC2028; 24030560f337SMauro Carvalho Chehab xc2028_cfg.priv = &ctl; 24040560f337SMauro Carvalho Chehab 240595d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_config, &xc2028_cfg); 24060560f337SMauro Carvalho Chehab } 24070560f337SMauro Carvalho Chehab 24080560f337SMauro Carvalho Chehab /* configure tuner */ 24090560f337SMauro Carvalho Chehab f.tuner = 0; 24100560f337SMauro Carvalho Chehab f.type = V4L2_TUNER_ANALOG_TV; 24110560f337SMauro Carvalho Chehab f.frequency = 9076; /* just a magic number */ 24123854b0d8SFrank Schaefer v4l2->frequency = f.frequency; 241395d2608bSFrank Schaefer v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f); 24140560f337SMauro Carvalho Chehab } 24150560f337SMauro Carvalho Chehab 241601c28193SMauro Carvalho Chehab static int em28xx_v4l2_init(struct em28xx *dev) 24170c0d06caSMauro Carvalho Chehab { 24180c0d06caSMauro Carvalho Chehab u8 val; 24190c0d06caSMauro Carvalho Chehab int ret; 24200c0d06caSMauro Carvalho Chehab unsigned int maxw; 2421abc1308fSFrank Schaefer struct v4l2_ctrl_handler *hdl; 242295d2608bSFrank Schaefer struct em28xx_v4l2 *v4l2; 2423b64f8e9aSMauro Carvalho Chehab 2424822b8deaSMauro Carvalho Chehab if (dev->is_audio_only) { 2425822b8deaSMauro Carvalho Chehab /* Shouldn't initialize IR for this interface */ 2426822b8deaSMauro Carvalho Chehab return 0; 2427822b8deaSMauro Carvalho Chehab } 2428822b8deaSMauro Carvalho Chehab 242901c28193SMauro Carvalho Chehab if (!dev->has_video) { 2430b64f8e9aSMauro Carvalho Chehab /* This device does not support the v4l2 extension */ 2431b64f8e9aSMauro Carvalho Chehab return 0; 2432b64f8e9aSMauro Carvalho Chehab } 24330c0d06caSMauro Carvalho Chehab 243429b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, "Registering V4L2 extension\n"); 24350c0d06caSMauro Carvalho Chehab 243601c28193SMauro Carvalho Chehab mutex_lock(&dev->lock); 243701c28193SMauro Carvalho Chehab 243895d2608bSFrank Schaefer v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL); 24398314d402SMauro Carvalho Chehab if (!v4l2) { 244095d2608bSFrank Schaefer mutex_unlock(&dev->lock); 244195d2608bSFrank Schaefer return -ENOMEM; 244295d2608bSFrank Schaefer } 244395d2608bSFrank Schaefer kref_init(&v4l2->ref); 2444abc1308fSFrank Schaefer v4l2->dev = dev; 244595d2608bSFrank Schaefer dev->v4l2 = v4l2; 244695d2608bSFrank Schaefer 244737ecc7b1SMauro Carvalho Chehab #ifdef CONFIG_MEDIA_CONTROLLER 244837ecc7b1SMauro Carvalho Chehab v4l2->v4l2_dev.mdev = dev->media_dev; 244937ecc7b1SMauro Carvalho Chehab #endif 245029b05e22SMauro Carvalho Chehab ret = v4l2_device_register(&dev->intf->dev, &v4l2->v4l2_dev); 2451b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 245229b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2453ce8591ffSMauro Carvalho Chehab "Call to v4l2_device_register() failed!\n"); 2454b64f8e9aSMauro Carvalho Chehab goto err; 2455b64f8e9aSMauro Carvalho Chehab } 2456b64f8e9aSMauro Carvalho Chehab 2457abc1308fSFrank Schaefer hdl = &v4l2->ctrl_handler; 2458b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_handler_init(hdl, 8); 245995d2608bSFrank Schaefer v4l2->v4l2_dev.ctrl_handler = hdl; 2460b64f8e9aSMauro Carvalho Chehab 246158159171SFrank Schaefer if (dev->board.is_webcam) 24627e6c8c19SMauro Carvalho Chehab v4l2->progressive = true; 246358159171SFrank Schaefer 2464b64f8e9aSMauro Carvalho Chehab /* 2465b64f8e9aSMauro Carvalho Chehab * Default format, used for tvp5150 or saa711x output formats 2466b64f8e9aSMauro Carvalho Chehab */ 2467a7b8e9a5SFrank Schaefer v4l2->vinmode = EM28XX_VINMODE_YUV422_CbYCrY; 24689297285eSFrank Schaefer v4l2->vinctl = EM28XX_VINCTRL_INTERLACED | 2469b64f8e9aSMauro Carvalho Chehab EM28XX_VINCTRL_CCIR656_ENABLE; 2470b64f8e9aSMauro Carvalho Chehab 2471b64f8e9aSMauro Carvalho Chehab /* request some modules */ 2472b64f8e9aSMauro Carvalho Chehab 2473b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) 247495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 247595d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2476b64f8e9aSMauro Carvalho Chehab "msp3400", 0, msp3400_addrs); 2477b64f8e9aSMauro Carvalho Chehab 2478b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_SAA711X) 247995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 248095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2481b64f8e9aSMauro Carvalho Chehab "saa7115_auto", 0, saa711x_addrs); 2482b64f8e9aSMauro Carvalho Chehab 2483b64f8e9aSMauro Carvalho Chehab if (dev->board.decoder == EM28XX_TVP5150) 248495d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 248595d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2486b64f8e9aSMauro Carvalho Chehab "tvp5150", 0, tvp5150_addrs); 2487b64f8e9aSMauro Carvalho Chehab 2488b64f8e9aSMauro Carvalho Chehab if (dev->board.adecoder == EM28XX_TVAUDIO) 248995d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 249095d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2491b64f8e9aSMauro Carvalho Chehab "tvaudio", dev->board.tvaudio_addr, NULL); 2492b64f8e9aSMauro Carvalho Chehab 2493b64f8e9aSMauro Carvalho Chehab /* Initialize tuner and camera */ 2494b64f8e9aSMauro Carvalho Chehab 2495b64f8e9aSMauro Carvalho Chehab if (dev->board.tuner_type != TUNER_ABSENT) { 24963319e6f8SFrank Schaefer unsigned short tuner_addr = dev->board.tuner_addr; 24976867bd5aSFrank Schaefer int has_demod = (dev->board.tda9887_conf & TDA9887_PRESENT); 2498b64f8e9aSMauro Carvalho Chehab 2499b64f8e9aSMauro Carvalho Chehab if (dev->board.radio.type) 250095d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 250195d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 2502fdf1bc9fSMauro Carvalho Chehab "tuner", dev->board.radio_addr, 2503fdf1bc9fSMauro Carvalho Chehab NULL); 2504b64f8e9aSMauro Carvalho Chehab 2505b64f8e9aSMauro Carvalho Chehab if (has_demod) 250695d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2507fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2508fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2509fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); 25103319e6f8SFrank Schaefer if (tuner_addr == 0) { 2511b64f8e9aSMauro Carvalho Chehab enum v4l2_i2c_tuner_type type = 2512b64f8e9aSMauro Carvalho Chehab has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; 2513b64f8e9aSMauro Carvalho Chehab struct v4l2_subdev *sd; 2514b64f8e9aSMauro Carvalho Chehab 251595d2608bSFrank Schaefer sd = v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 2516fdf1bc9fSMauro Carvalho Chehab &dev->i2c_adap[dev->def_i2c_bus], 2517fdf1bc9fSMauro Carvalho Chehab "tuner", 0, 2518fdf1bc9fSMauro Carvalho Chehab v4l2_i2c_tuner_addrs(type)); 2519b64f8e9aSMauro Carvalho Chehab 2520b64f8e9aSMauro Carvalho Chehab if (sd) 25213319e6f8SFrank Schaefer tuner_addr = v4l2_i2c_subdev_addr(sd); 2522b64f8e9aSMauro Carvalho Chehab } else { 252395d2608bSFrank Schaefer v4l2_i2c_new_subdev(&v4l2->v4l2_dev, 252495d2608bSFrank Schaefer &dev->i2c_adap[dev->def_i2c_bus], 25253319e6f8SFrank Schaefer "tuner", tuner_addr, NULL); 2526b64f8e9aSMauro Carvalho Chehab } 2527b64f8e9aSMauro Carvalho Chehab 25283319e6f8SFrank Schaefer em28xx_tuner_setup(dev, tuner_addr); 25293319e6f8SFrank Schaefer } 25303319e6f8SFrank Schaefer 2531d86bc65aSFrank Schaefer if (dev->em28xx_sensor != EM28XX_NOSENSOR) 2532b64f8e9aSMauro Carvalho Chehab em28xx_init_camera(dev); 2533b64f8e9aSMauro Carvalho Chehab 2534b64f8e9aSMauro Carvalho Chehab /* Configure audio */ 2535b64f8e9aSMauro Carvalho Chehab ret = em28xx_audio_setup(dev); 2536b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 253729b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2538ce8591ffSMauro Carvalho Chehab "%s: Error while setting audio - error [%d]!\n", 2539b64f8e9aSMauro Carvalho Chehab __func__, ret); 2540b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2541b64f8e9aSMauro Carvalho Chehab } 2542b64f8e9aSMauro Carvalho Chehab if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { 2543b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2544b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); 2545b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 2546b64f8e9aSMauro Carvalho Chehab V4L2_CID_AUDIO_VOLUME, 0, 0x1f, 1, 0x1f); 2547b64f8e9aSMauro Carvalho Chehab } else { 2548b64f8e9aSMauro Carvalho Chehab /* install the em28xx notify callback */ 2549b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_MUTE), 2550b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2551b64f8e9aSMauro Carvalho Chehab v4l2_ctrl_notify(v4l2_ctrl_find(hdl, V4L2_CID_AUDIO_VOLUME), 2552b64f8e9aSMauro Carvalho Chehab em28xx_ctrl_notify, dev); 2553b64f8e9aSMauro Carvalho Chehab } 2554b64f8e9aSMauro Carvalho Chehab 2555b64f8e9aSMauro Carvalho Chehab /* wake i2c devices */ 2556b64f8e9aSMauro Carvalho Chehab em28xx_wake_i2c(dev); 2557b64f8e9aSMauro Carvalho Chehab 2558b64f8e9aSMauro Carvalho Chehab /* init video dma queues */ 2559b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vidq.active); 2560b64f8e9aSMauro Carvalho Chehab INIT_LIST_HEAD(&dev->vbiq.active); 2561b64f8e9aSMauro Carvalho Chehab 2562b64f8e9aSMauro Carvalho Chehab if (dev->board.has_msp34xx) { 2563b64f8e9aSMauro Carvalho Chehab /* Send a reset to other chips via gpio */ 2564b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7); 2565b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 256629b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2567ce8591ffSMauro Carvalho Chehab "%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n", 2568b64f8e9aSMauro Carvalho Chehab __func__, ret); 2569b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2570b64f8e9aSMauro Carvalho Chehab } 2571b64f8e9aSMauro Carvalho Chehab msleep(3); 2572b64f8e9aSMauro Carvalho Chehab 2573b64f8e9aSMauro Carvalho Chehab ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff); 2574b64f8e9aSMauro Carvalho Chehab if (ret < 0) { 257529b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2576ce8591ffSMauro Carvalho Chehab "%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n", 2577b64f8e9aSMauro Carvalho Chehab __func__, ret); 2578b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 2579b64f8e9aSMauro Carvalho Chehab } 2580b64f8e9aSMauro Carvalho Chehab msleep(3); 2581b64f8e9aSMauro Carvalho Chehab } 2582b64f8e9aSMauro Carvalho Chehab 25830c0d06caSMauro Carvalho Chehab /* set default norm */ 258452faaf78SFrank Schaefer v4l2->norm = V4L2_STD_PAL; 25858774bed9SLaurent Pinchart v4l2_device_call_all(&v4l2->v4l2_dev, 0, video, s_std, v4l2->norm); 258658159171SFrank Schaefer v4l2->interlaced_fieldmode = EM28XX_INTERLACED_DEFAULT; 25870c0d06caSMauro Carvalho Chehab 25880c0d06caSMauro Carvalho Chehab /* Analog specific initialization */ 258906e20672SFrank Schaefer v4l2->format = &format[0]; 25900c0d06caSMauro Carvalho Chehab 25910c0d06caSMauro Carvalho Chehab maxw = norm_maxw(dev); 25920c0d06caSMauro Carvalho Chehab /* MaxPacketSize for em2800 is too small to capture at full resolution 25930c0d06caSMauro Carvalho Chehab * use half of maxw as the scaler can only scale to 50% */ 25940c0d06caSMauro Carvalho Chehab if (dev->board.is_em2800) 25950c0d06caSMauro Carvalho Chehab maxw /= 2; 25960c0d06caSMauro Carvalho Chehab 25970c0d06caSMauro Carvalho Chehab em28xx_set_video_format(dev, format[0].fourcc, 25980c0d06caSMauro Carvalho Chehab maxw, norm_maxh(dev)); 25990c0d06caSMauro Carvalho Chehab 26000c0d06caSMauro Carvalho Chehab video_mux(dev, 0); 26010c0d06caSMauro Carvalho Chehab 26020c0d06caSMauro Carvalho Chehab /* Audio defaults */ 26030c0d06caSMauro Carvalho Chehab dev->mute = 1; 26040c0d06caSMauro Carvalho Chehab dev->volume = 0x1f; 26050c0d06caSMauro Carvalho Chehab 26060c0d06caSMauro Carvalho Chehab /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ 26070c0d06caSMauro Carvalho Chehab val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); 26080c0d06caSMauro Carvalho Chehab em28xx_write_reg(dev, EM28XX_R0F_XCLK, 26090c0d06caSMauro Carvalho Chehab (EM28XX_XCLK_AUDIO_UNMUTE | val)); 26100c0d06caSMauro Carvalho Chehab 26110c0d06caSMauro Carvalho Chehab em28xx_set_outfmt(dev); 26120c0d06caSMauro Carvalho Chehab 26138f8b113aSFrank Schaefer /* Add image controls */ 26148f8b113aSFrank Schaefer /* NOTE: at this point, the subdevices are already registered, so bridge 26158f8b113aSFrank Schaefer * controls are only added/enabled when no subdevice provides them */ 2616ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST)) 2617ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26188f8b113aSFrank Schaefer V4L2_CID_CONTRAST, 26198f8b113aSFrank Schaefer 0, 0x1f, 1, CONTRAST_DEFAULT); 2620ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS)) 2621ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26228f8b113aSFrank Schaefer V4L2_CID_BRIGHTNESS, 26238f8b113aSFrank Schaefer -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT); 2624ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION)) 2625ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26268f8b113aSFrank Schaefer V4L2_CID_SATURATION, 26278f8b113aSFrank Schaefer 0, 0x1f, 1, SATURATION_DEFAULT); 2628ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE)) 2629ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26308f8b113aSFrank Schaefer V4L2_CID_BLUE_BALANCE, 26318f8b113aSFrank Schaefer -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT); 2632ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE)) 2633ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26348f8b113aSFrank Schaefer V4L2_CID_RED_BALANCE, 26358f8b113aSFrank Schaefer -0x30, 0x30, 1, RED_BALANCE_DEFAULT); 2636ad298055SFrank Schaefer if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS)) 2637ad298055SFrank Schaefer v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops, 26388f8b113aSFrank Schaefer V4L2_CID_SHARPNESS, 26398f8b113aSFrank Schaefer 0, 0x0f, 1, SHARPNESS_DEFAULT); 26408f8b113aSFrank Schaefer 26418f8b113aSFrank Schaefer /* Reset image controls */ 26428f8b113aSFrank Schaefer em28xx_colorlevels_set_default(dev); 2643ad298055SFrank Schaefer v4l2_ctrl_handler_setup(hdl); 2644ad298055SFrank Schaefer ret = hdl->error; 2645b64f8e9aSMauro Carvalho Chehab if (ret) 2646b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 26478f8b113aSFrank Schaefer 26480c0d06caSMauro Carvalho Chehab /* allocate and fill video video_device struct */ 2649d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vdev, &em28xx_video_template, "video"); 265027a36df6SFrank Schaefer mutex_init(&v4l2->vb_queue_lock); 265127a36df6SFrank Schaefer mutex_init(&v4l2->vb_vbi_queue_lock); 2652d4352f36SHans Verkuil v4l2->vdev.queue = &v4l2->vb_vidq; 2653d4352f36SHans Verkuil v4l2->vdev.queue->lock = &v4l2->vb_queue_lock; 26540c0d06caSMauro Carvalho Chehab 26556e46dabaSFrank Schaefer /* disable inapplicable ioctls */ 26566e46dabaSFrank Schaefer if (dev->board.is_webcam) { 2657d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD); 2658d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD); 2659d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD); 26603bc85cceSFrank Schaefer } else { 2661d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_PARM); 26626e46dabaSFrank Schaefer } 266366df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2664d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_TUNER); 2665d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_TUNER); 2666d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_FREQUENCY); 2667d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_FREQUENCY); 266866df67b7SFrank Schaefer } 2669920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2670d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_AUDIO); 2671d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_AUDIO); 2672c2dcef83SFrank Schaefer } 26736e46dabaSFrank Schaefer 26740c0d06caSMauro Carvalho Chehab /* register v4l2 video video_device */ 2675d4352f36SHans Verkuil ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER, 26760c0d06caSMauro Carvalho Chehab video_nr[dev->devno]); 26770c0d06caSMauro Carvalho Chehab if (ret) { 267829b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2679ce8591ffSMauro Carvalho Chehab "unable to register video device (error=%i).\n", ret); 2680b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 26810c0d06caSMauro Carvalho Chehab } 26820c0d06caSMauro Carvalho Chehab 26830c0d06caSMauro Carvalho Chehab /* Allocate and fill vbi video_device struct */ 26840c0d06caSMauro Carvalho Chehab if (em28xx_vbi_supported(dev) == 1) { 2685d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->vbi_dev, &em28xx_video_template, 26860c0d06caSMauro Carvalho Chehab "vbi"); 26870c0d06caSMauro Carvalho Chehab 2688d4352f36SHans Verkuil v4l2->vbi_dev.queue = &v4l2->vb_vbiq; 2689d4352f36SHans Verkuil v4l2->vbi_dev.queue->lock = &v4l2->vb_vbi_queue_lock; 2690d3829fadSDevin Heitmueller 269166df67b7SFrank Schaefer /* disable inapplicable ioctls */ 2692d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_PARM); 269366df67b7SFrank Schaefer if (dev->tuner_type == TUNER_ABSENT) { 2694d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_TUNER); 2695d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_TUNER); 2696d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_FREQUENCY); 2697d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_FREQUENCY); 269866df67b7SFrank Schaefer } 2699920f1e4aSFrank Schaefer if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE) { 2700d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_AUDIO); 2701d4352f36SHans Verkuil v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_S_AUDIO); 2702c2dcef83SFrank Schaefer } 270366df67b7SFrank Schaefer 27040c0d06caSMauro Carvalho Chehab /* register v4l2 vbi video_device */ 2705d4352f36SHans Verkuil ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI, 27060c0d06caSMauro Carvalho Chehab vbi_nr[dev->devno]); 27070c0d06caSMauro Carvalho Chehab if (ret < 0) { 270829b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2709ce8591ffSMauro Carvalho Chehab "unable to register vbi device\n"); 2710b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 27110c0d06caSMauro Carvalho Chehab } 27120c0d06caSMauro Carvalho Chehab } 27130c0d06caSMauro Carvalho Chehab 27140c0d06caSMauro Carvalho Chehab if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { 2715d4352f36SHans Verkuil em28xx_vdev_init(dev, &v4l2->radio_dev, &em28xx_radio_template, 27160c0d06caSMauro Carvalho Chehab "radio"); 2717d4352f36SHans Verkuil ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO, 27180c0d06caSMauro Carvalho Chehab radio_nr[dev->devno]); 27190c0d06caSMauro Carvalho Chehab if (ret < 0) { 272029b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2721ce8591ffSMauro Carvalho Chehab "can't register radio device\n"); 2722b64f8e9aSMauro Carvalho Chehab goto unregister_dev; 27230c0d06caSMauro Carvalho Chehab } 272429b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2725ce8591ffSMauro Carvalho Chehab "Registered radio device as %s\n", 2726d4352f36SHans Verkuil video_device_node_name(&v4l2->radio_dev)); 27270c0d06caSMauro Carvalho Chehab } 27280c0d06caSMauro Carvalho Chehab 272937ecc7b1SMauro Carvalho Chehab /* Init entities at the Media Controller */ 273037ecc7b1SMauro Carvalho Chehab em28xx_v4l2_create_entities(dev); 273137ecc7b1SMauro Carvalho Chehab 27320d37ba62SArnd Bergmann #ifdef CONFIG_MEDIA_CONTROLLER 2733de390787SMauro Carvalho Chehab ret = v4l2_mc_create_media_graph(dev->media_dev); 273437ecc7b1SMauro Carvalho Chehab if (ret) { 273529b05e22SMauro Carvalho Chehab dev_err(&dev->intf->dev, 2736ce8591ffSMauro Carvalho Chehab "failed to create media graph\n"); 273737ecc7b1SMauro Carvalho Chehab em28xx_v4l2_media_release(dev); 273837ecc7b1SMauro Carvalho Chehab goto unregister_dev; 273937ecc7b1SMauro Carvalho Chehab } 27400d37ba62SArnd Bergmann #endif 274137ecc7b1SMauro Carvalho Chehab 274229b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2743ce8591ffSMauro Carvalho Chehab "V4L2 video device registered as %s\n", 2744d4352f36SHans Verkuil video_device_node_name(&v4l2->vdev)); 27450c0d06caSMauro Carvalho Chehab 2746d4352f36SHans Verkuil if (video_is_registered(&v4l2->vbi_dev)) 274729b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2748ce8591ffSMauro Carvalho Chehab "V4L2 VBI device registered as %s\n", 2749d4352f36SHans Verkuil video_device_node_name(&v4l2->vbi_dev)); 27500c0d06caSMauro Carvalho Chehab 2751b64f8e9aSMauro Carvalho Chehab /* Save some power by putting tuner to sleep */ 275295d2608bSFrank Schaefer v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0); 2753b64f8e9aSMauro Carvalho Chehab 2754b64f8e9aSMauro Carvalho Chehab /* initialize videobuf2 stuff */ 2755b64f8e9aSMauro Carvalho Chehab em28xx_vb2_setup(dev); 2756b64f8e9aSMauro Carvalho Chehab 275729b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2758ce8591ffSMauro Carvalho Chehab "V4L2 extension successfully initialized\n"); 27599634614fSMauro Carvalho Chehab 276047677e51SMauro Carvalho Chehab kref_get(&dev->ref); 276147677e51SMauro Carvalho Chehab 276201c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 27630c0d06caSMauro Carvalho Chehab return 0; 2764b64f8e9aSMauro Carvalho Chehab 2765b64f8e9aSMauro Carvalho Chehab unregister_dev: 276656a7f515SMauro Carvalho Chehab if (video_is_registered(&v4l2->radio_dev)) { 276729b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2768ce8591ffSMauro Carvalho Chehab "V4L2 device %s deregistered\n", 276956a7f515SMauro Carvalho Chehab video_device_node_name(&v4l2->radio_dev)); 277056a7f515SMauro Carvalho Chehab video_unregister_device(&v4l2->radio_dev); 277156a7f515SMauro Carvalho Chehab } 277256a7f515SMauro Carvalho Chehab if (video_is_registered(&v4l2->vbi_dev)) { 277329b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2774ce8591ffSMauro Carvalho Chehab "V4L2 device %s deregistered\n", 277556a7f515SMauro Carvalho Chehab video_device_node_name(&v4l2->vbi_dev)); 277656a7f515SMauro Carvalho Chehab video_unregister_device(&v4l2->vbi_dev); 277756a7f515SMauro Carvalho Chehab } 277856a7f515SMauro Carvalho Chehab if (video_is_registered(&v4l2->vdev)) { 277929b05e22SMauro Carvalho Chehab dev_info(&dev->intf->dev, 2780ce8591ffSMauro Carvalho Chehab "V4L2 device %s deregistered\n", 278156a7f515SMauro Carvalho Chehab video_device_node_name(&v4l2->vdev)); 278256a7f515SMauro Carvalho Chehab video_unregister_device(&v4l2->vdev); 278356a7f515SMauro Carvalho Chehab } 278456a7f515SMauro Carvalho Chehab 2785abc1308fSFrank Schaefer v4l2_ctrl_handler_free(&v4l2->ctrl_handler); 278695d2608bSFrank Schaefer v4l2_device_unregister(&v4l2->v4l2_dev); 2787b64f8e9aSMauro Carvalho Chehab err: 278895d2608bSFrank Schaefer dev->v4l2 = NULL; 278995d2608bSFrank Schaefer kref_put(&v4l2->ref, em28xx_free_v4l2); 279001c28193SMauro Carvalho Chehab mutex_unlock(&dev->lock); 2791b64f8e9aSMauro Carvalho Chehab return ret; 27920c0d06caSMauro Carvalho Chehab } 279301c28193SMauro Carvalho Chehab 279401c28193SMauro Carvalho Chehab static struct em28xx_ops v4l2_ops = { 279501c28193SMauro Carvalho Chehab .id = EM28XX_V4L2, 279601c28193SMauro Carvalho Chehab .name = "Em28xx v4l2 Extension", 279701c28193SMauro Carvalho Chehab .init = em28xx_v4l2_init, 279801c28193SMauro Carvalho Chehab .fini = em28xx_v4l2_fini, 2799a61f6811SShuah Khan .suspend = em28xx_v4l2_suspend, 2800a61f6811SShuah Khan .resume = em28xx_v4l2_resume, 280101c28193SMauro Carvalho Chehab }; 280201c28193SMauro Carvalho Chehab 280301c28193SMauro Carvalho Chehab static int __init em28xx_video_register(void) 280401c28193SMauro Carvalho Chehab { 280501c28193SMauro Carvalho Chehab return em28xx_register_extension(&v4l2_ops); 280601c28193SMauro Carvalho Chehab } 280701c28193SMauro Carvalho Chehab 280801c28193SMauro Carvalho Chehab static void __exit em28xx_video_unregister(void) 280901c28193SMauro Carvalho Chehab { 281001c28193SMauro Carvalho Chehab em28xx_unregister_extension(&v4l2_ops); 281101c28193SMauro Carvalho Chehab } 281201c28193SMauro Carvalho Chehab 281301c28193SMauro Carvalho Chehab module_init(em28xx_video_register); 281401c28193SMauro Carvalho Chehab module_exit(em28xx_video_unregister); 2815