diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 2406 |
1 files changed, 2406 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c new file mode 100644 index 000000000000..5d66060026ff --- /dev/null +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -0,0 +1,2406 @@ +/* + * $Id: saa7134-video.c,v 1.28 2005/02/15 15:59:35 kraxel Exp $ + * + * device driver for philips saa7134 based TV cards + * video4linux video interface + * + * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/slab.h> + +#include "saa7134-reg.h" +#include "saa7134.h" + +#define V4L2_I2C_CLIENTS 1 + +/* ------------------------------------------------------------------ */ + +static unsigned int video_debug = 0; +static unsigned int gbuffers = 8; +static unsigned int noninterlaced = 0; +static unsigned int gbufsize = 720*576*4; +static unsigned int gbufsize_max = 720*576*4; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); +module_param(gbuffers, int, 0444); +MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); +module_param(noninterlaced, int, 0644); +MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced"); + +#define dprintk(fmt, arg...) if (video_debug) \ + printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) + +/* ------------------------------------------------------------------ */ +/* data structs for video */ + +static int video_out[][9] = { + [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, +}; + +static struct saa7134_format formats[] = { + { + .name = "8 bpp gray", + .fourcc = V4L2_PIX_FMT_GREY, + .depth = 8, + .pm = 0x06, + },{ + .name = "15 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB555, + .depth = 16, + .pm = 0x13 | 0x80, + },{ + .name = "15 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB555X, + .depth = 16, + .pm = 0x13 | 0x80, + .bswap = 1, + },{ + .name = "16 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .pm = 0x10 | 0x80, + },{ + .name = "16 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .pm = 0x10 | 0x80, + .bswap = 1, + },{ + .name = "24 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR24, + .depth = 24, + .pm = 0x11, + },{ + .name = "24 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB24, + .depth = 24, + .pm = 0x11, + .bswap = 1, + },{ + .name = "32 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR32, + .depth = 32, + .pm = 0x12, + },{ + .name = "32 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB32, + .depth = 32, + .pm = 0x12, + .bswap = 1, + .wswap = 1, + },{ + .name = "4:2:2 packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .pm = 0x00, + .bswap = 1, + .yuv = 1, + },{ + .name = "4:2:2 packed, UYVY", + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .pm = 0x00, + .yuv = 1, + },{ + .name = "4:2:2 planar, Y-Cb-Cr", + .fourcc = V4L2_PIX_FMT_YUV422P, + .depth = 16, + .pm = 0x09, + .yuv = 1, + .planar = 1, + .hshift = 1, + .vshift = 0, + },{ + .name = "4:2:0 planar, Y-Cb-Cr", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .pm = 0x0a, + .yuv = 1, + .planar = 1, + .hshift = 1, + .vshift = 1, + },{ + .name = "4:2:0 planar, Y-Cb-Cr", + .fourcc = V4L2_PIX_FMT_YVU420, + .depth = 12, + .pm = 0x0a, + .yuv = 1, + .planar = 1, + .uvswap = 1, + .hshift = 1, + .vshift = 1, + } +}; +#define FORMATS ARRAY_SIZE(formats) + +#define NORM_625_50 \ + .h_start = 0, \ + .h_stop = 719, \ + .video_v_start = 24, \ + .video_v_stop = 311, \ + .vbi_v_start = 7, \ + .vbi_v_stop = 22, \ + .src_timing = 4 + +#define NORM_525_60 \ + .h_start = 0, \ + .h_stop = 703, \ + .video_v_start = 22, \ + .video_v_stop = 22+239, \ + .vbi_v_start = 10, /* FIXME */ \ + .vbi_v_stop = 21, /* FIXME */ \ + .src_timing = 1 + +static struct saa7134_tvnorm tvnorms[] = { + { + .name = "PAL", /* autodetect */ + .id = V4L2_STD_PAL, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-BG", + .id = V4L2_STD_PAL_BG, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-I", + .id = V4L2_STD_PAL_I, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-DK", + .id = V4L2_STD_PAL_DK, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "NTSC", + .id = V4L2_STD_NTSC, + NORM_525_60, + + .sync_control = 0x59, + .luma_control = 0x40, + .chroma_ctrl1 = 0x89, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x0e, + .vgate_misc = 0x18, + + },{ + .name = "SECAM", + .id = V4L2_STD_SECAM, + NORM_625_50, + + .sync_control = 0x18, /* old: 0x58, */ + .luma_control = 0x1b, + .chroma_ctrl1 = 0xd1, + .chroma_gain = 0x80, + .chroma_ctrl2 = 0x00, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-M", + .id = V4L2_STD_PAL_M, + NORM_525_60, + + .sync_control = 0x59, + .luma_control = 0x40, + .chroma_ctrl1 = 0xb9, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x0e, + .vgate_misc = 0x18, + + },{ + .name = "PAL-Nc", + .id = V4L2_STD_PAL_Nc, + NORM_625_50, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0xa1, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + + },{ + .name = "PAL-60", + .id = V4L2_STD_PAL_60, + + .h_start = 0, + .h_stop = 719, + .video_v_start = 22, + .video_v_stop = 22+239, + .vbi_v_start = 10, /* FIXME */ + .vbi_v_stop = 21, /* FIXME */ + .src_timing = 1, + + .sync_control = 0x18, + .luma_control = 0x40, + .chroma_ctrl1 = 0x81, + .chroma_gain = 0x2a, + .chroma_ctrl2 = 0x06, + .vgate_misc = 0x1c, + } +}; +#define TVNORMS ARRAY_SIZE(tvnorms) + +#define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0) +#define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1) +#define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2) +#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3) +#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4) + +static const struct v4l2_queryctrl no_ctrl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; +static const struct v4l2_queryctrl video_ctrls[] = { + /* --- video --- */ + { + .id = V4L2_CID_BRIGHTNESS, + .name = "Brightness", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 128, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = 68, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = 64, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = -128, + .maximum = 127, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_VFLIP, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + /* --- audio --- */ + { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + },{ + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = -15, + .maximum = 15, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + /* --- private --- */ + { + .id = V4L2_CID_PRIVATE_INVERT, + .name = "Invert", + .minimum = 0, + .maximum = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + },{ + .id = V4L2_CID_PRIVATE_Y_ODD, + .name = "y offset odd field", + .minimum = 0, + .maximum = 128, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_PRIVATE_Y_EVEN, + .name = "y offset even field", + .minimum = 0, + .maximum = 128, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_PRIVATE_AUTOMUTE, + .name = "automute", + .minimum = 0, + .maximum = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + } +}; +static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls); + +static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) +{ + unsigned int i; + + for (i = 0; i < CTRLS; i++) + if (video_ctrls[i].id == id) + return video_ctrls+i; + return NULL; +} + +static struct saa7134_format* format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < FORMATS; i++) + if (formats[i].fourcc == fourcc) + return formats+i; + return NULL; +} + +/* ----------------------------------------------------------------------- */ +/* resource management */ + +static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit) +{ + if (fh->resources & bit) + /* have it already allocated */ + return 1; + + /* is it free? */ + down(&dev->lock); + if (dev->resources & bit) { + /* no, someone else uses it */ + up(&dev->lock); + return 0; + } + /* it's free, grab it */ + fh->resources |= bit; + dev->resources |= bit; + dprintk("res: get %d\n",bit); + up(&dev->lock); + return 1; +} + +static +int res_check(struct saa7134_fh *fh, unsigned int bit) +{ + return (fh->resources & bit); +} + +static +int res_locked(struct saa7134_dev *dev, unsigned int bit) +{ + return (dev->resources & bit); +} + +static +void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) +{ + if ((fh->resources & bits) != bits) + BUG(); + + down(&dev->lock); + fh->resources &= ~bits; + dev->resources &= ~bits; + dprintk("res: put %d\n",bits); + up(&dev->lock); +} + +/* ------------------------------------------------------------------ */ + +static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) +{ + int luma_control,sync_control,mux; + + dprintk("set tv norm = %s\n",norm->name); + dev->tvnorm = norm; + + mux = card_in(dev,dev->ctl_input).vmux; + luma_control = norm->luma_control; + sync_control = norm->sync_control; + + if (mux > 5) + luma_control |= 0x80; /* svideo */ + if (noninterlaced || dev->nosignal) + sync_control |= 0x20; + + /* setup cropping */ + dev->crop_bounds.left = norm->h_start; + dev->crop_defrect.left = norm->h_start; + dev->crop_bounds.width = norm->h_stop - norm->h_start +1; + dev->crop_defrect.width = norm->h_stop - norm->h_start +1; + + dev->crop_bounds.top = (norm->vbi_v_stop+1)*2; + dev->crop_defrect.top = norm->video_v_start*2; + dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) + - dev->crop_bounds.top; + dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; + + dev->crop_current = dev->crop_defrect; + + /* setup video decoder */ + saa_writeb(SAA7134_INCR_DELAY, 0x08); + saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); + saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); + + saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); + saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); + saa_writeb(SAA7134_HSYNC_START, 0xeb); + saa_writeb(SAA7134_HSYNC_STOP, 0xe0); + saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); + + saa_writeb(SAA7134_SYNC_CTRL, sync_control); + saa_writeb(SAA7134_LUMA_CTRL, luma_control); + saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast); + + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation); + saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); + saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); + saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); + + saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); + saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); + + saa_writeb(SAA7134_ANALOG_ADC, 0x01); + saa_writeb(SAA7134_VGATE_START, 0x11); + saa_writeb(SAA7134_VGATE_STOP, 0xfe); + saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); + saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); + saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); + +#ifdef V4L2_I2C_CLIENTS + saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id); +#else + { + /* pass down info to the i2c chips (v4l1) */ + struct video_channel c; + memset(&c,0,sizeof(c)); + c.channel = dev->ctl_input; + c.norm = VIDEO_MODE_PAL; + if (norm->id & V4L2_STD_NTSC) + c.norm = VIDEO_MODE_NTSC; + if (norm->id & V4L2_STD_SECAM) + c.norm = VIDEO_MODE_SECAM; + saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c); + } +#endif +} + +static void video_mux(struct saa7134_dev *dev, int input) +{ + dprintk("video input = %d [%s]\n",input,card_in(dev,input).name); + dev->ctl_input = input; + set_tvnorm(dev,dev->tvnorm); + saa7134_tvaudio_setinput(dev,&card_in(dev,input)); +} + +static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) +{ + static const struct { + int xpsc; + int xacl; + int xc2_1; + int xdcg; + int vpfy; + } vals[] = { + /* XPSC XACL XC2_1 XDCG VPFY */ + { 1, 0, 0, 0, 0 }, + { 2, 2, 1, 2, 2 }, + { 3, 4, 1, 3, 2 }, + { 4, 8, 1, 4, 2 }, + { 5, 8, 1, 4, 2 }, + { 6, 8, 1, 4, 3 }, + { 7, 8, 1, 4, 3 }, + { 8, 15, 0, 4, 3 }, + { 9, 15, 0, 4, 3 }, + { 10, 16, 1, 5, 3 }, + }; + static const int count = ARRAY_SIZE(vals); + int i; + + for (i = 0; i < count; i++) + if (vals[i].xpsc == prescale) + break; + if (i == count) + return; + + saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); + saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); + saa_writeb(SAA7134_LEVEL_CTRL(task), + (vals[i].xc2_1 << 3) | (vals[i].xdcg)); + saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, + (vals[i].vpfy << 2) | vals[i].vpfy); +} + +static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) +{ + int val,mirror; + + saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); + saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); + + mirror = (dev->ctl_mirror) ? 0x02 : 0x00; + if (yscale < 2048) { + /* LPI */ + dprintk("yscale LPI yscale=%d\n",yscale); + saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); + saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); + saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); + } else { + /* ACM */ + val = 0x40 * 1024 / yscale; + dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); + saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); + saa_writeb(SAA7134_LUMA_CONTRAST(task), val); + saa_writeb(SAA7134_CHROMA_SATURATION(task), val); + } + saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); +} + +static void set_size(struct saa7134_dev *dev, int task, + int width, int height, int interlace) +{ + int prescale,xscale,yscale,y_even,y_odd; + int h_start, h_stop, v_start, v_stop; + int div = interlace ? 2 : 1; + + /* setup video scaler */ + h_start = dev->crop_current.left; + v_start = dev->crop_current.top/2; + h_stop = (dev->crop_current.left + dev->crop_current.width -1); + v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; + + saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); + saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); + saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); + saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); + saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); + saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); + saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); + saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); + + prescale = dev->crop_current.width / width; + if (0 == prescale) + prescale = 1; + xscale = 1024 * dev->crop_current.width / prescale / width; + yscale = 512 * div * dev->crop_current.height / height; + dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); + set_h_prescale(dev,task,prescale); + saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); + saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); + set_v_scale(dev,task,yscale); + + saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); + saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); + saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); + saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); + + /* deinterlace y offsets */ + y_odd = dev->ctl_y_odd; + y_even = dev->ctl_y_even; + saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); + saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); + saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); + saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); +} + +/* ------------------------------------------------------------------ */ + +struct cliplist { + __u16 position; + __u8 enable; + __u8 disable; +}; + +static void sort_cliplist(struct cliplist *cl, int entries) +{ + struct cliplist swap; + int i,j,n; + + for (i = entries-2; i >= 0; i--) { + for (n = 0, j = 0; j <= i; j++) { + if (cl[j].position > cl[j+1].position) { + swap = cl[j]; + cl[j] = cl[j+1]; + cl[j+1] = swap; + n++; + } + } + if (0 == n) + break; + } +} + +static void set_cliplist(struct saa7134_dev *dev, int reg, + struct cliplist *cl, int entries, char *name) +{ + __u8 winbits = 0; + int i; + + for (i = 0; i < entries; i++) { + winbits |= cl[i].enable; + winbits &= ~cl[i].disable; + if (i < 15 && cl[i].position == cl[i+1].position) + continue; + saa_writeb(reg + 0, winbits); + saa_writeb(reg + 2, cl[i].position & 0xff); + saa_writeb(reg + 3, cl[i].position >> 8); + dprintk("clip: %s winbits=%02x pos=%d\n", + name,winbits,cl[i].position); + reg += 8; + } + for (; reg < 0x400; reg += 8) { + saa_writeb(reg+ 0, 0); + saa_writeb(reg + 1, 0); + saa_writeb(reg + 2, 0); + saa_writeb(reg + 3, 0); + } +} + +static int clip_range(int val) +{ + if (val < 0) + val = 0; + return val; +} + +static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, + int nclips, int interlace) +{ + struct cliplist col[16], row[16]; + int cols, rows, i; + int div = interlace ? 2 : 1; + + memset(col,0,sizeof(col)); cols = 0; + memset(row,0,sizeof(row)); rows = 0; + for (i = 0; i < nclips && i < 8; i++) { + col[cols].position = clip_range(clips[i].c.left); + col[cols].enable = (1 << i); + cols++; + col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); + col[cols].disable = (1 << i); + cols++; + row[rows].position = clip_range(clips[i].c.top / div); + row[rows].enable = (1 << i); + rows++; + row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) + / div); + row[rows].disable = (1 << i); + rows++; + } + sort_cliplist(col,cols); + sort_cliplist(row,rows); + set_cliplist(dev,0x380,col,cols,"cols"); + set_cliplist(dev,0x384,row,rows,"rows"); + return 0; +} + +static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win) +{ + enum v4l2_field field; + int maxw, maxh; + + if (NULL == dev->ovbuf.base) + return -EINVAL; + if (NULL == dev->ovfmt) + return -EINVAL; + if (win->w.width < 48 || win->w.height < 32) + return -EINVAL; + if (win->clipcount > 2048) + return -EINVAL; + + field = win->field; + maxw = dev->crop_current.width; + maxh = dev->crop_current.height; + + if (V4L2_FIELD_ANY == field) { + field = (win->w.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_TOP; + } + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + win->field = field; + if (win->w.width > maxw) + win->w.width = maxw; + if (win->w.height > maxh) + win->w.height = maxh; + return 0; +} + +static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) +{ + unsigned long base,control,bpl; + int err; + + err = verify_preview(dev,&fh->win); + if (0 != err) + return err; + + dev->ovfield = fh->win.field; + dprintk("start_preview %dx%d+%d+%d %s field=%s\n", + fh->win.w.width,fh->win.w.height, + fh->win.w.left,fh->win.w.top, + dev->ovfmt->name,v4l2_field_names[dev->ovfield]); + + /* setup window + clipping */ + set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height, + V4L2_FIELD_HAS_BOTH(dev->ovfield)); + setup_clipping(dev,fh->clips,fh->nclips, + V4L2_FIELD_HAS_BOTH(dev->ovfield)); + if (dev->ovfmt->yuv) + saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); + else + saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); + saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); + + /* dma: setup channel 1 (= Video Task B) */ + base = (unsigned long)dev->ovbuf.base; + base += dev->ovbuf.fmt.bytesperline * fh->win.w.top; + base += dev->ovfmt->depth/8 * fh->win.w.left; + bpl = dev->ovbuf.fmt.bytesperline; + control = SAA7134_RS_CONTROL_BURST_16; + if (dev->ovfmt->bswap) + control |= SAA7134_RS_CONTROL_BSWAP; + if (dev->ovfmt->wswap) + control |= SAA7134_RS_CONTROL_WSWAP; + if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { + saa_writel(SAA7134_RS_BA1(1),base); + saa_writel(SAA7134_RS_BA2(1),base+bpl); + saa_writel(SAA7134_RS_PITCH(1),bpl*2); + saa_writel(SAA7134_RS_CONTROL(1),control); + } else { + saa_writel(SAA7134_RS_BA1(1),base); + saa_writel(SAA7134_RS_BA2(1),base); + saa_writel(SAA7134_RS_PITCH(1),bpl); + saa_writel(SAA7134_RS_CONTROL(1),control); + } + + /* start dma */ + dev->ovenable = 1; + saa7134_set_dmabits(dev); + + return 0; +} + +static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) +{ + dev->ovenable = 0; + saa7134_set_dmabits(dev); + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int buffer_activate(struct saa7134_dev *dev, + struct saa7134_buf *buf, + struct saa7134_buf *next) +{ + unsigned long base,control,bpl; + unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ + + dprintk("buffer_activate buf=%p\n",buf); + buf->vb.state = STATE_ACTIVE; + buf->top_seen = 0; + + set_size(dev,TASK_A,buf->vb.width,buf->vb.height, + V4L2_FIELD_HAS_BOTH(buf->vb.field)); + if (buf->fmt->yuv) + saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); + else + saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); + saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); + + /* DMA: setup channel 0 (= Video Task A0) */ + base = saa7134_buffer_base(buf); + if (buf->fmt->planar) + bpl = buf->vb.width; + else + bpl = (buf->vb.width * buf->fmt->depth) / 8; + control = SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (buf->pt->dma >> 12); + if (buf->fmt->bswap) + control |= SAA7134_RS_CONTROL_BSWAP; + if (buf->fmt->wswap) + control |= SAA7134_RS_CONTROL_WSWAP; + if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { + /* interlaced */ + saa_writel(SAA7134_RS_BA1(0),base); + saa_writel(SAA7134_RS_BA2(0),base+bpl); + saa_writel(SAA7134_RS_PITCH(0),bpl*2); + } else { + /* non-interlaced */ + saa_writel(SAA7134_RS_BA1(0),base); + saa_writel(SAA7134_RS_BA2(0),base); + saa_writel(SAA7134_RS_PITCH(0),bpl); + } + saa_writel(SAA7134_RS_CONTROL(0),control); + + if (buf->fmt->planar) { + /* DMA: setup channel 4+5 (= planar task A) */ + bpl_uv = bpl >> buf->fmt->hshift; + lines_uv = buf->vb.height >> buf->fmt->vshift; + base2 = base + bpl * buf->vb.height; + base3 = base2 + bpl_uv * lines_uv; + if (buf->fmt->uvswap) + tmp = base2, base2 = base3, base3 = tmp; + dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", + bpl_uv,lines_uv,base2,base3); + if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { + /* interlaced */ + saa_writel(SAA7134_RS_BA1(4),base2); + saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); + saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); + saa_writel(SAA7134_RS_BA1(5),base3); + saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); + saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); + } else { + /* non-interlaced */ + saa_writel(SAA7134_RS_BA1(4),base2); + saa_writel(SAA7134_RS_BA2(4),base2); + saa_writel(SAA7134_RS_PITCH(4),bpl_uv); + saa_writel(SAA7134_RS_BA1(5),base3); + saa_writel(SAA7134_RS_BA2(5),base3); + saa_writel(SAA7134_RS_PITCH(5),bpl_uv); + } + saa_writel(SAA7134_RS_CONTROL(4),control); + saa_writel(SAA7134_RS_CONTROL(5),control); + } + + /* start DMA */ + saa7134_set_dmabits(dev); + mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); + return 0; +} + +static int buffer_prepare(struct videobuf_queue *q, + struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct saa7134_fh *fh = q->priv_data; + struct saa7134_dev *dev = fh->dev; + struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); + unsigned int size; + int err; + + /* sanity checks */ + if (NULL == fh->fmt) + return -EINVAL; + if (fh->width < 48 || + fh->height < 32 || + fh->width/4 > dev->crop_current.width || + fh->height/4 > dev->crop_current.height || + fh->width > dev->crop_bounds.width || + fh->height > dev->crop_bounds.height) + return -EINVAL; + size = (fh->width * fh->height * fh->fmt->depth) >> 3; + if (0 != buf->vb.baddr && buf->vb.bsize < size) + return -EINVAL; + + dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", + vb->i,fh->width,fh->height,size,v4l2_field_names[field], + fh->fmt->name); + if (buf->vb.width != fh->width || + buf->vb.height != fh->height || + buf->vb.size != size || + buf->vb.field != field || + buf->fmt != fh->fmt) { + saa7134_dma_free(dev,buf); + } + + if (STATE_NEEDS_INIT == buf->vb.state) { + buf->vb.width = fh->width; + buf->vb.height = fh->height; + buf->vb.size = size; + buf->vb.field = field; + buf->fmt = fh->fmt; + buf->pt = &fh->pt_cap; + + err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf); + if (err) + goto oops; + err = saa7134_pgtable_build(dev->pci,buf->pt, + buf->vb.dma.sglist, + buf->vb.dma.sglen, + saa7134_buffer_startpage(buf)); + if (err) + goto oops; + } + buf->vb.state = STATE_PREPARED; + buf->activate = buffer_activate; + return 0; + + oops: + saa7134_dma_free(dev,buf); + return err; +} + +static int +buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) +{ + struct saa7134_fh *fh = q->priv_data; + + *size = fh->fmt->depth * fh->width * fh->height >> 3; + if (0 == *count) + *count = gbuffers; + *count = saa7134_buffer_count(*size,*count); + return 0; +} + +static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct saa7134_fh *fh = q->priv_data; + struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); + + saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); +} + +static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct saa7134_fh *fh = q->priv_data; + struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); + + saa7134_dma_free(fh->dev,buf); +} + +static struct videobuf_queue_ops video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +/* ------------------------------------------------------------------ */ + +static int get_control(struct saa7134_dev *dev, struct v4l2_control *c) +{ + const struct v4l2_queryctrl* ctrl; + + ctrl = ctrl_by_id(c->id); + if (NULL == ctrl) + return -EINVAL; + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + c->value = dev->ctl_bright; + break; + case V4L2_CID_HUE: + c->value = dev->ctl_hue; + break; + case V4L2_CID_CONTRAST: + c->value = dev->ctl_contrast; + break; + case V4L2_CID_SATURATION: + c->value = dev->ctl_saturation; + break; + case V4L2_CID_AUDIO_MUTE: + c->value = dev->ctl_mute; + break; + case V4L2_CID_AUDIO_VOLUME: + c->value = dev->ctl_volume; + break; + case V4L2_CID_PRIVATE_INVERT: + c->value = dev->ctl_invert; + break; + case V4L2_CID_VFLIP: + c->value = dev->ctl_mirror; + break; + case V4L2_CID_PRIVATE_Y_EVEN: + c->value = dev->ctl_y_even; + break; + case V4L2_CID_PRIVATE_Y_ODD: + c->value = dev->ctl_y_odd; + break; + case V4L2_CID_PRIVATE_AUTOMUTE: + c->value = dev->ctl_automute; + break; + default: + return -EINVAL; + } + return 0; +} + +static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh, + struct v4l2_control *c) +{ + const struct v4l2_queryctrl* ctrl; + unsigned long flags; + int restart_overlay = 0; + + ctrl = ctrl_by_id(c->id); + if (NULL == ctrl) + return -EINVAL; + dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); + switch (ctrl->type) { + case V4L2_CTRL_TYPE_BOOLEAN: + case V4L2_CTRL_TYPE_MENU: + case V4L2_CTRL_TYPE_INTEGER: + if (c->value < ctrl->minimum) + c->value = ctrl->minimum; + if (c->value > ctrl->maximum) + c->value = ctrl->maximum; + break; + default: + /* nothing */; + }; + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + dev->ctl_bright = c->value; + saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); + break; + case V4L2_CID_HUE: + dev->ctl_hue = c->value; + saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); + break; + case V4L2_CID_CONTRAST: + dev->ctl_contrast = c->value; + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, + dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); + break; + case V4L2_CID_SATURATION: + dev->ctl_saturation = c->value; + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, + dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); + break; + case V4L2_CID_AUDIO_MUTE: + dev->ctl_mute = c->value; + saa7134_tvaudio_setmute(dev); + break; + case V4L2_CID_AUDIO_VOLUME: + dev->ctl_volume = c->value; + saa7134_tvaudio_setvolume(dev,dev->ctl_volume); + break; + case V4L2_CID_PRIVATE_INVERT: + dev->ctl_invert = c->value; + saa_writeb(SAA7134_DEC_LUMA_CONTRAST, + dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); + saa_writeb(SAA7134_DEC_CHROMA_SATURATION, + dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); + break; + case V4L2_CID_VFLIP: + dev->ctl_mirror = c->value; + restart_overlay = 1; + break; + case V4L2_CID_PRIVATE_Y_EVEN: + dev->ctl_y_even = c->value; + restart_overlay = 1; + break; + case V4L2_CID_PRIVATE_Y_ODD: + dev->ctl_y_odd = c->value; + restart_overlay = 1; + break; + case V4L2_CID_PRIVATE_AUTOMUTE: + dev->ctl_automute = c->value; + if (dev->tda9887_conf) { + if (dev->ctl_automute) + dev->tda9887_conf |= TDA9887_AUTOMUTE; + else + dev->tda9887_conf &= ~TDA9887_AUTOMUTE; + saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG, + &dev->tda9887_conf); + } + break; + default: + return -EINVAL; + } + if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { + spin_lock_irqsave(&dev->slock,flags); + stop_preview(dev,fh); + start_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + } + return 0; +} + +/* ------------------------------------------------------------------ */ + +static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh) +{ + struct videobuf_queue* q = NULL; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + q = &fh->cap; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + q = &fh->vbi; + break; + default: + BUG(); + } + return q; +} + +static int saa7134_resource(struct saa7134_fh *fh) +{ + int res = 0; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + res = RESOURCE_VIDEO; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + res = RESOURCE_VBI; + break; + default: + BUG(); + } + return res; +} + +static int video_open(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + struct saa7134_dev *h,*dev = NULL; + struct saa7134_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + int radio = 0; + + list_for_each(list,&saa7134_devlist) { + h = list_entry(list, struct saa7134_dev, devlist); + if (h->video_dev && (h->video_dev->minor == minor)) + dev = h; + if (h->radio_dev && (h->radio_dev->minor == minor)) { + radio = 1; + dev = h; + } + if (h->vbi_dev && (h->vbi_dev->minor == minor)) { + type = V4L2_BUF_TYPE_VBI_CAPTURE; + dev = h; + } + } + if (NULL == dev) + return -ENODEV; + + dprintk("open minor=%d radio=%d type=%s\n",minor,radio, + v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kmalloc(sizeof(*fh),GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + memset(fh,0,sizeof(*fh)); + file->private_data = fh; + fh->dev = dev; + fh->radio = radio; + fh->type = type; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + fh->width = 720; + fh->height = 576; + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_init(&fh->cap, &video_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct saa7134_buf), + fh); + videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VBI_CAPTURE, + V4L2_FIELD_SEQ_TB, + sizeof(struct saa7134_buf), + fh); + saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); + saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); + + if (fh->radio) { + /* switch to radio mode */ + saa7134_tvaudio_setinput(dev,&card(dev).radio); + saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL); + } else { + /* switch to video/vbi mode */ + video_mux(dev,dev->ctl_input); + } + return 0; +} + +static ssize_t +video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct saa7134_fh *fh = file->private_data; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev,RESOURCE_VIDEO)) + return -EBUSY; + return videobuf_read_one(saa7134_queue(fh), + data, count, ppos, + file->f_flags & O_NONBLOCK); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (!res_get(fh->dev,fh,RESOURCE_VBI)) + return -EBUSY; + return videobuf_read_stream(saa7134_queue(fh), + data, count, ppos, 1, + file->f_flags & O_NONBLOCK); + break; + default: + BUG(); + return 0; + } +} + +static unsigned int +video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct saa7134_fh *fh = file->private_data; + struct videobuf_buffer *buf = NULL; + + if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) + return videobuf_poll_stream(file, &fh->vbi, wait); + + if (res_check(fh,RESOURCE_VIDEO)) { + if (!list_empty(&fh->cap.stream)) + buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); + } else { + down(&fh->cap.lock); + if (UNSET == fh->cap.read_off) { + /* need to capture a new frame */ + if (res_locked(fh->dev,RESOURCE_VIDEO)) { + up(&fh->cap.lock); + return POLLERR; + } + if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { + up(&fh->cap.lock); + return POLLERR; + } + fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); + fh->cap.read_off = 0; + } + up(&fh->cap.lock); + buf = fh->cap.read_buf; + } + + if (!buf) + return POLLERR; + + poll_wait(file, &buf->done, wait); + if (buf->state == STATE_DONE || + buf->state == STATE_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + +static int video_release(struct inode *inode, struct file *file) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + unsigned long flags; + + /* turn off overlay */ + if (res_check(fh, RESOURCE_OVERLAY)) { + spin_lock_irqsave(&dev->slock,flags); + stop_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + res_free(dev,fh,RESOURCE_OVERLAY); + } + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO)) { + videobuf_streamoff(&fh->cap); + res_free(dev,fh,RESOURCE_VIDEO); + } + if (fh->cap.read_buf) { + buffer_release(&fh->cap,fh->cap.read_buf); + kfree(fh->cap.read_buf); + } + + /* stop vbi capture */ + if (res_check(fh, RESOURCE_VBI)) { + if (fh->vbi.streaming) + videobuf_streamoff(&fh->vbi); + if (fh->vbi.reading) + videobuf_read_stop(&fh->vbi); + res_free(dev,fh,RESOURCE_VBI); + } + + /* free stuff */ + videobuf_mmap_free(&fh->cap); + videobuf_mmap_free(&fh->vbi); + saa7134_pgtable_free(dev->pci,&fh->pt_cap); + saa7134_pgtable_free(dev->pci,&fh->pt_vbi); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + return 0; +} + +static int +video_mmap(struct file *file, struct vm_area_struct * vma) +{ + struct saa7134_fh *fh = file->private_data; + + return videobuf_mmap_mapper(saa7134_queue(fh), vma); +} + +/* ------------------------------------------------------------------ */ + +static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f) +{ + struct saa7134_tvnorm *norm = dev->tvnorm; + + f->fmt.vbi.sampling_rate = 6750000 * 4; + f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; + f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + f->fmt.vbi.offset = 64 * 4; + f->fmt.vbi.start[0] = norm->vbi_v_start; + f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1; + f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1; + f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; + f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ + +#if 0 + if (V4L2_STD_PAL == norm->id) { + /* FIXME */ + f->fmt.vbi.start[0] += 3; + f->fmt.vbi.start[1] += 3*2; + } +#endif +} + +static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, + struct v4l2_format *f) +{ + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); + f->fmt.pix.width = fh->width; + f->fmt.pix.height = fh->height; + f->fmt.pix.field = fh->cap.field; + f->fmt.pix.pixelformat = fh->fmt->fourcc; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fh->fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + return 0; + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + f->fmt.win = fh->win; + return 0; + case V4L2_BUF_TYPE_VBI_CAPTURE: + saa7134_vbi_fmt(dev,f); + return 0; + default: + return -EINVAL; + } +} + +static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, + struct v4l2_format *f) +{ + int err; + + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + { + struct saa7134_format *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); + maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_BOTTOM; + } + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.field = field; + if (f->fmt.pix.width < 48) + f->fmt.pix.width = 48; + if (f->fmt.pix.height < 32) + f->fmt.pix.height = 32; + if (f->fmt.pix.width > maxw) + f->fmt.pix.width = maxw; + if (f->fmt.pix.height > maxh) + f->fmt.pix.height = maxh; + f->fmt.pix.width &= ~0x03; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; + } + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + err = verify_preview(dev,&f->fmt.win); + if (0 != err) + return err; + return 0; + case V4L2_BUF_TYPE_VBI_CAPTURE: + saa7134_vbi_fmt(dev,f); + return 0; + default: + return -EINVAL; + } +} + +static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, + struct v4l2_format *f) +{ + unsigned long flags; + int err; + + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + err = saa7134_try_fmt(dev,fh,f); + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->cap.field = f->fmt.pix.field; + return 0; + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + err = verify_preview(dev,&f->fmt.win); + if (0 != err) + return err; + + down(&dev->lock); + fh->win = f->fmt.win; + fh->nclips = f->fmt.win.clipcount; + if (fh->nclips > 8) + fh->nclips = 8; + if (copy_from_user(fh->clips,f->fmt.win.clips, + sizeof(struct v4l2_clip)*fh->nclips)) { + up(&dev->lock); + return -EFAULT; + } + + if (res_check(fh, RESOURCE_OVERLAY)) { + spin_lock_irqsave(&dev->slock,flags); + stop_preview(dev,fh); + start_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + } + up(&dev->lock); + return 0; + case V4L2_BUF_TYPE_VBI_CAPTURE: + saa7134_vbi_fmt(dev,f); + return 0; + default: + return -EINVAL; + } +} + +int saa7134_common_ioctl(struct saa7134_dev *dev, + unsigned int cmd, void *arg) +{ + int err; + + switch (cmd) { + case VIDIOC_QUERYCTRL: + { + const struct v4l2_queryctrl *ctrl; + struct v4l2_queryctrl *c = arg; + + if ((c->id < V4L2_CID_BASE || + c->id >= V4L2_CID_LASTP1) && + (c->id < V4L2_CID_PRIVATE_BASE || + c->id >= V4L2_CID_PRIVATE_LASTP1)) + return -EINVAL; + ctrl = ctrl_by_id(c->id); + *c = (NULL != ctrl) ? *ctrl : no_ctrl; + return 0; + } + case VIDIOC_G_CTRL: + return get_control(dev,arg); + case VIDIOC_S_CTRL: + { + down(&dev->lock); + err = set_control(dev,NULL,arg); + up(&dev->lock); + return err; + } + /* --- input switching --------------------------------------- */ + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *i = arg; + unsigned int n; + + n = i->index; + if (n >= SAA7134_INPUT_MAX) + return -EINVAL; + if (NULL == card_in(dev,i->index).name) + return -EINVAL; + memset(i,0,sizeof(*i)); + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name,card_in(dev,n).name); + if (card_in(dev,n).tv) + i->type = V4L2_INPUT_TYPE_TUNER; + i->audioset = 1; + if (n == dev->ctl_input) { + int v1 = saa_readb(SAA7134_STATUS_VIDEO1); + int v2 = saa_readb(SAA7134_STATUS_VIDEO2); + + if (0 != (v1 & 0x40)) + i->status |= V4L2_IN_ST_NO_H_LOCK; + if (0 != (v2 & 0x40)) + i->status |= V4L2_IN_ST_NO_SYNC; + if (0 != (v2 & 0x0e)) + i->status |= V4L2_IN_ST_MACROVISION; + } + for (n = 0; n < TVNORMS; n++) + i->std |= tvnorms[n].id; + return 0; + } + case VIDIOC_G_INPUT: + { + int *i = arg; + *i = dev->ctl_input; + return 0; + } + case VIDIOC_S_INPUT: + { + int *i = arg; + + if (*i < 0 || *i >= SAA7134_INPUT_MAX) + return -EINVAL; + if (NULL == card_in(dev,*i).name) + return -EINVAL; + down(&dev->lock); + video_mux(dev,*i); + up(&dev->lock); + return 0; + } + + } + return 0; +} +EXPORT_SYMBOL(saa7134_common_ioctl); + +/* + * This function is _not_ called directly, but from + * video_generic_ioctl (and maybe others). userspace + * copying is done already, arg is a kernel pointer. + */ +static int video_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + unsigned long flags; + int err; + + if (video_debug > 1) + saa7134_print_ioctl(dev->name,cmd); + + switch (cmd) { + case VIDIOC_S_CTRL: + case VIDIOC_S_STD: + case VIDIOC_S_INPUT: + case VIDIOC_S_TUNER: + case VIDIOC_S_FREQUENCY: + err = v4l2_prio_check(&dev->prio,&fh->prio); + if (0 != err) + return err; + } + + switch (cmd) { + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap,0,sizeof(*cap)); + strcpy(cap->driver, "saa7134"); + strlcpy(cap->card, saa7134_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); + cap->version = SAA7134_VERSION_CODE; + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_VIDEO_OVERLAY | + V4L2_CAP_VBI_CAPTURE | + V4L2_CAP_TUNER | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + return 0; + } + + /* --- tv standards ------------------------------------------ */ + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *e = arg; + unsigned int i; + + i = e->index; + if (i >= TVNORMS) + return -EINVAL; + err = v4l2_video_std_construct(e, tvnorms[e->index].id, + tvnorms[e->index].name); + e->index = i; + if (err < 0) + return err; + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *id = arg; + + *id = dev->tvnorm->id; + return 0; + } + case VIDIOC_S_STD: + { + v4l2_std_id *id = arg; + unsigned int i; + + for (i = 0; i < TVNORMS; i++) + if (*id == tvnorms[i].id) + break; + if (i == TVNORMS) + for (i = 0; i < TVNORMS; i++) + if (*id & tvnorms[i].id) + break; + if (i == TVNORMS) + return -EINVAL; + + down(&dev->lock); + if (res_check(fh, RESOURCE_OVERLAY)) { + spin_lock_irqsave(&dev->slock,flags); + stop_preview(dev,fh); + set_tvnorm(dev,&tvnorms[i]); + start_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + } else + set_tvnorm(dev,&tvnorms[i]); + saa7134_tvaudio_do_scan(dev); + up(&dev->lock); + return 0; + } + + case VIDIOC_CROPCAP: + { + struct v4l2_cropcap *cap = arg; + + if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) + return -EINVAL; + cap->bounds = dev->crop_bounds; + cap->defrect = dev->crop_defrect; + cap->pixelaspect.numerator = 1; + cap->pixelaspect.denominator = 1; + if (dev->tvnorm->id & V4L2_STD_525_60) { + cap->pixelaspect.numerator = 11; + cap->pixelaspect.denominator = 10; + } + if (dev->tvnorm->id & V4L2_STD_625_50) { + cap->pixelaspect.numerator = 54; + cap->pixelaspect.denominator = 59; + } + return 0; + } + + case VIDIOC_G_CROP: + { + struct v4l2_crop * crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) + return -EINVAL; + crop->c = dev->crop_current; + return 0; + } + case VIDIOC_S_CROP: + { + struct v4l2_crop *crop = arg; + struct v4l2_rect *b = &dev->crop_bounds; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) + return -EINVAL; + if (crop->c.height < 0) + return -EINVAL; + if (crop->c.width < 0) + return -EINVAL; + + if (res_locked(fh->dev,RESOURCE_OVERLAY)) + return -EBUSY; + if (res_locked(fh->dev,RESOURCE_VIDEO)) + return -EBUSY; + + if (crop->c.top < b->top) + crop->c.top = b->top; + if (crop->c.top > b->top + b->height) + crop->c.top = b->top + b->height; + if (crop->c.height > b->top - crop->c.top + b->height) + crop->c.height = b->top - crop->c.top + b->height; + + if (crop->c.left < b->left) + crop->c.top = b->left; + if (crop->c.left > b->left + b->width) + crop->c.top = b->left + b->width; + if (crop->c.width > b->left - crop->c.left + b->width) + crop->c.width = b->left - crop->c.left + b->width; + + dev->crop_current = crop->c; + return 0; + } + + /* --- tuner ioctls ------------------------------------------ */ + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + int n; + + if (0 != t->index) + return -EINVAL; + memset(t,0,sizeof(*t)); + for (n = 0; n < SAA7134_INPUT_MAX; n++) + if (card_in(dev,n).tv) + break; + if (NULL != card_in(dev,n).name) { + strcpy(t->name, "Television"); + t->capability = V4L2_TUNER_CAP_NORM | + V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2; + t->rangehigh = 0xffffffffUL; + t->rxsubchans = saa7134_tvaudio_getstereo(dev); + t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); + } + if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) + t->signal = 0xffff; + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *t = arg; + int rx,mode; + + mode = dev->thread.mode; + if (UNSET == mode) { + rx = saa7134_tvaudio_getstereo(dev); + mode = saa7134_tvaudio_rx2mode(t->rxsubchans); + } + if (mode != t->audmode) { + dev->thread.mode = t->audmode; + } + return 0; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + memset(f,0,sizeof(*f)); + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = dev->ctl_freq; + return 0; + } + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + if (0 != f->tuner) + return -EINVAL; + if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) + return -EINVAL; + if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) + return -EINVAL; + down(&dev->lock); + dev->ctl_freq = f->frequency; +#ifdef V4L2_I2C_CLIENTS + saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); +#else + saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq); +#endif + saa7134_tvaudio_do_scan(dev); + up(&dev->lock); + return 0; + } + + /* --- control ioctls ---------------------------------------- */ + case VIDIOC_ENUMINPUT: + case VIDIOC_G_INPUT: + case VIDIOC_S_INPUT: + case VIDIOC_QUERYCTRL: + case VIDIOC_G_CTRL: + case VIDIOC_S_CTRL: + return saa7134_common_ioctl(dev, cmd, arg); + + case VIDIOC_G_AUDIO: + { + struct v4l2_audio *a = arg; + + memset(a,0,sizeof(*a)); + strcpy(a->name,"audio"); + return 0; + } + case VIDIOC_S_AUDIO: + return 0; + case VIDIOC_G_PARM: + { + struct v4l2_captureparm *parm = arg; + memset(parm,0,sizeof(*parm)); + return 0; + } + + case VIDIOC_G_PRIORITY: + { + enum v4l2_priority *p = arg; + + *p = v4l2_prio_max(&dev->prio); + return 0; + } + case VIDIOC_S_PRIORITY: + { + enum v4l2_priority *prio = arg; + + return v4l2_prio_change(&dev->prio, &fh->prio, *prio); + } + + /* --- preview ioctls ---------------------------------------- */ + case VIDIOC_ENUM_FMT: + { + struct v4l2_fmtdesc *f = arg; + enum v4l2_buf_type type; + unsigned int index; + + index = f->index; + type = f->type; + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (index >= FORMATS) + return -EINVAL; + if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY && + formats[index].planar) + return -EINVAL; + memset(f,0,sizeof(*f)); + f->index = index; + f->type = type; + strlcpy(f->description,formats[index].name,sizeof(f->description)); + f->pixelformat = formats[index].fourcc; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (0 != index) + return -EINVAL; + memset(f,0,sizeof(*f)); + f->index = index; + f->type = type; + f->pixelformat = V4L2_PIX_FMT_GREY; + strcpy(f->description,"vbi data"); + break; + default: + return -EINVAL; + } + return 0; + } + case VIDIOC_G_FBUF: + { + struct v4l2_framebuffer *fb = arg; + + *fb = dev->ovbuf; + fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; + return 0; + } + case VIDIOC_S_FBUF: + { + struct v4l2_framebuffer *fb = arg; + struct saa7134_format *fmt; + + if(!capable(CAP_SYS_ADMIN) && + !capable(CAP_SYS_RAWIO)) + return -EPERM; + + /* check args */ + fmt = format_by_fourcc(fb->fmt.pixelformat); + if (NULL == fmt) + return -EINVAL; + + /* ok, accept it */ + dev->ovbuf = *fb; + dev->ovfmt = fmt; + if (0 == dev->ovbuf.fmt.bytesperline) + dev->ovbuf.fmt.bytesperline = + dev->ovbuf.fmt.width*fmt->depth/8; + return 0; + } + case VIDIOC_OVERLAY: + { + int *on = arg; + + if (*on) { + if (!res_get(dev,fh,RESOURCE_OVERLAY)) + return -EBUSY; + spin_lock_irqsave(&dev->slock,flags); + start_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + } + if (!*on) { + if (!res_check(fh, RESOURCE_OVERLAY)) + return -EINVAL; + spin_lock_irqsave(&dev->slock,flags); + stop_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock,flags); + res_free(dev,fh,RESOURCE_OVERLAY); + } + return 0; + } + + /* --- capture ioctls ---------------------------------------- */ + case VIDIOC_G_FMT: + { + struct v4l2_format *f = arg; + return saa7134_g_fmt(dev,fh,f); + } + case VIDIOC_S_FMT: + { + struct v4l2_format *f = arg; + return saa7134_s_fmt(dev,fh,f); + } + case VIDIOC_TRY_FMT: + { + struct v4l2_format *f = arg; + return saa7134_try_fmt(dev,fh,f); + } + + case VIDIOCGMBUF: + { + struct video_mbuf *mbuf = arg; + struct videobuf_queue *q; + struct v4l2_requestbuffers req; + unsigned int i; + + q = saa7134_queue(fh); + memset(&req,0,sizeof(req)); + req.type = q->type; + req.count = gbuffers; + req.memory = V4L2_MEMORY_MMAP; + err = videobuf_reqbufs(q,&req); + if (err < 0) + return err; + memset(mbuf,0,sizeof(*mbuf)); + mbuf->frames = req.count; + mbuf->size = 0; + for (i = 0; i < mbuf->frames; i++) { + mbuf->offsets[i] = q->bufs[i]->boff; + mbuf->size += q->bufs[i]->bsize; + } + return 0; + } + case VIDIOC_REQBUFS: + return videobuf_reqbufs(saa7134_queue(fh),arg); + + case VIDIOC_QUERYBUF: + return videobuf_querybuf(saa7134_queue(fh),arg); + + case VIDIOC_QBUF: + return videobuf_qbuf(saa7134_queue(fh),arg); + + case VIDIOC_DQBUF: + return videobuf_dqbuf(saa7134_queue(fh),arg, + file->f_flags & O_NONBLOCK); + + case VIDIOC_STREAMON: + { + int res = saa7134_resource(fh); + + if (!res_get(dev,fh,res)) + return -EBUSY; + return videobuf_streamon(saa7134_queue(fh)); + } + case VIDIOC_STREAMOFF: + { + int res = saa7134_resource(fh); + + err = videobuf_streamoff(saa7134_queue(fh)); + if (err < 0) + return err; + res_free(dev,fh,res); + return 0; + } + + default: + return v4l_compat_translate_ioctl(inode,file,cmd,arg, + video_do_ioctl); + } + return 0; +} + +static int video_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, video_do_ioctl); +} + +static int radio_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + + if (video_debug > 1) + saa7134_print_ioctl(dev->name,cmd); + switch (cmd) { + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap,0,sizeof(*cap)); + strcpy(cap->driver, "saa7134"); + strlcpy(cap->card, saa7134_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); + cap->version = SAA7134_VERSION_CODE; + cap->capabilities = V4L2_CAP_TUNER; + return 0; + } + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + + if (0 != t->index) + return -EINVAL; + + memset(t,0,sizeof(*t)); + strcpy(t->name, "Radio"); + t->rangelow = (int)(65*16); + t->rangehigh = (int)(108*16); + +#ifdef V4L2_I2C_CLIENTS + saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t); +#else + { + struct video_tuner vt; + memset(&vt,0,sizeof(vt)); + saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt); + t->signal = vt.signal; + } +#endif + return 0; + } + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *i = arg; + + if (i->index != 0) + return -EINVAL; + strcpy(i->name,"Radio"); + i->type = V4L2_INPUT_TYPE_TUNER; + return 0; + } + case VIDIOC_G_INPUT: + { + int *i = arg; + *i = 0; + return 0; + } + case VIDIOC_G_AUDIO: + { + struct v4l2_audio *a = arg; + + memset(a,0,sizeof(*a)); + strcpy(a->name,"Radio"); + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *id = arg; + *id = 0; + return 0; + } + case VIDIOC_S_AUDIO: + case VIDIOC_S_TUNER: + case VIDIOC_S_INPUT: + case VIDIOC_S_STD: + return 0; + + case VIDIOC_QUERYCTRL: + { + const struct v4l2_queryctrl *ctrl; + struct v4l2_queryctrl *c = arg; + + if (c->id < V4L2_CID_BASE || + c->id >= V4L2_CID_LASTP1) + return -EINVAL; + if (c->id == V4L2_CID_AUDIO_MUTE) { + ctrl = ctrl_by_id(c->id); + *c = *ctrl; + } else + *c = no_ctrl; + return 0; + } + + case VIDIOC_G_CTRL: + case VIDIOC_S_CTRL: + case VIDIOC_G_FREQUENCY: + case VIDIOC_S_FREQUENCY: + return video_do_ioctl(inode,file,cmd,arg); + + default: + return v4l_compat_translate_ioctl(inode,file,cmd,arg, + radio_do_ioctl); + } + return 0; +} + +static int radio_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); +} + +static struct file_operations video_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl, + .llseek = no_llseek, +}; + +static struct file_operations radio_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .ioctl = radio_ioctl, + .llseek = no_llseek, +}; + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +struct video_device saa7134_video_template = +{ + .name = "saa7134-video", + .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY| + VID_TYPE_CLIPPING|VID_TYPE_SCALES, + .hardware = 0, + .fops = &video_fops, + .minor = -1, +}; + +struct video_device saa7134_vbi_template = +{ + .name = "saa7134-vbi", + .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, + .hardware = 0, + .fops = &video_fops, + .minor = -1, +}; + +struct video_device saa7134_radio_template = +{ + .name = "saa7134-radio", + .type = VID_TYPE_TUNER, + .hardware = 0, + .fops = &radio_fops, + .minor = -1, +}; + +int saa7134_video_init1(struct saa7134_dev *dev) +{ + /* sanitycheck insmod options */ + if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) + gbuffers = 2; + if (gbufsize < 0 || gbufsize > gbufsize_max) + gbufsize = gbufsize_max; + gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; + + /* put some sensible defaults into the data structures ... */ + dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; + dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; + dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; + dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; + dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; + dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; + dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; + dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; + + if (dev->tda9887_conf && dev->ctl_automute) + dev->tda9887_conf |= TDA9887_AUTOMUTE; + dev->automute = 0; + + INIT_LIST_HEAD(&dev->video_q.queue); + init_timer(&dev->video_q.timeout); + dev->video_q.timeout.function = saa7134_buffer_timeout; + dev->video_q.timeout.data = (unsigned long)(&dev->video_q); + dev->video_q.dev = dev; + + if (saa7134_boards[dev->board].video_out) { + /* enable video output */ + int vo = saa7134_boards[dev->board].video_out; + saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); + saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); + } + + return 0; +} + +int saa7134_video_init2(struct saa7134_dev *dev) +{ + /* init video hw */ + set_tvnorm(dev,&tvnorms[0]); + video_mux(dev,0); + saa7134_tvaudio_setmute(dev); + saa7134_tvaudio_setvolume(dev,dev->ctl_volume); + return 0; +} + +int saa7134_video_fini(struct saa7134_dev *dev) +{ + /* nothing */ + return 0; +} + +void saa7134_irq_video_intl(struct saa7134_dev *dev) +{ + static const char *st[] = { + "(no signal)", "NTSC", "PAL", "SECAM" }; + u32 st1,st2; + + st1 = saa_readb(SAA7134_STATUS_VIDEO1); + st2 = saa_readb(SAA7134_STATUS_VIDEO2); + dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", + (st1 & 0x40) ? "not locked" : "locked", + (st2 & 0x40) ? "no" : "yes", + st[st1 & 0x03]); + dev->nosignal = (st1 & 0x40) || (st2 & 0x40); + + if (dev->nosignal) { + /* no video signal -> mute audio */ + if (dev->ctl_automute) + dev->automute = 1; + saa7134_tvaudio_setmute(dev); + saa_setb(SAA7134_SYNC_CTRL, 0x20); + } else { + /* wake up tvaudio audio carrier scan thread */ + saa7134_tvaudio_do_scan(dev); + if (!noninterlaced) + saa_clearb(SAA7134_SYNC_CTRL, 0x20); + } + if (dev->mops && dev->mops->signal_change) + dev->mops->signal_change(dev); +} + +void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) +{ + enum v4l2_field field; + + spin_lock(&dev->slock); + if (dev->video_q.curr) { + dev->video_fieldcount++; + field = dev->video_q.curr->vb.field; + if (V4L2_FIELD_HAS_BOTH(field)) { + /* make sure we have seen both fields */ + if ((status & 0x10) == 0x00) { + dev->video_q.curr->top_seen = 1; + goto done; + } + if (!dev->video_q.curr->top_seen) + goto done; + } else if (field == V4L2_FIELD_TOP) { + if ((status & 0x10) != 0x10) + goto done; + } else if (field == V4L2_FIELD_BOTTOM) { + if ((status & 0x10) != 0x00) + goto done; + } + dev->video_q.curr->vb.field_count = dev->video_fieldcount; + saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE); + } + saa7134_buffer_next(dev,&dev->video_q); + + done: + spin_unlock(&dev->slock); +} + +/* ----------------------------------------------------------- */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |