/* * * device driver for philips saa7134 based TV cards * video4linux video interface * * (c) 2001-03 Gerd Knorr [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 #include #include #include #include #include #include "saa7134-reg.h" #include "saa7134.h" #include #ifdef CONFIG_VIDEO_V4L1_COMPAT /* Include V4L1 specific functions. Should be removed soon */ #include #endif /* ------------------------------------------------------------------ */ 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; static char secam[] = "--"; 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,"capture non interlaced video"); module_param_string(secam, secam, sizeof(secam), 0644); MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); #define dprintk(fmt, arg...) if (video_debug) \ printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x191 */ /* Bit 0: VIP code T bit polarity */ #define VP_T_CODE_P_NON_INVERTED 0x00 #define VP_T_CODE_P_INVERTED 0x01 /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x195 */ /* Bit 2: Video output clock delay control */ #define VP_CLK_CTRL2_NOT_DELAYED 0x00 #define VP_CLK_CTRL2_DELAYED 0x04 /* Bit 1: Video output clock invert control */ #define VP_CLK_CTRL1_NON_INVERTED 0x00 #define VP_CLK_CTRL1_INVERTED 0x02 /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x196 */ /* Bits 2 to 0: VSYNC pin video vertical sync type */ #define VP_VS_TYPE_MASK 0x07 #define VP_VS_TYPE_OFF 0x00 #define VP_VS_TYPE_V123 0x01 #define VP_VS_TYPE_V_ITU 0x02 #define VP_VS_TYPE_VGATE_L 0x03 #define VP_VS_TYPE_RESERVED1 0x04 #define VP_VS_TYPE_RESERVED2 0x05 #define VP_VS_TYPE_F_ITU 0x06 #define VP_VS_TYPE_SC_FID 0x07 /* ------------------------------------------------------------------ */ /* 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_0 = 7, \ .vbi_v_stop_0 = 22, \ .vbi_v_start_1 = 319, \ .src_timing = 4 #define NORM_525_60 \ .h_start = 0, \ .h_stop = 703, \ .video_v_start = 23, \ .video_v_stop = 262, \ .vbi_v_start_0 = 10, \ .vbi_v_stop_0 = 21, \ .vbi_v_start_1 = 273, \ .src_timing = 7 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, .luma_control = 0x1b, .chroma_ctrl1 = 0xd1, .chroma_gain = 0x80, .chroma_ctrl2 = 0x00, .vgate_misc = 0x1c, },{ .name = "SECAM-DK", .id = V4L2_STD_SECAM_DK, NORM_625_50, .sync_control = 0x18, .luma_control = 0x1b, .chroma_ctrl1 = 0xd1, .chroma_gain = 0x80, .chroma_ctrl2 = 0x00, .vgate_misc = 0x1c, },{ .name = "SECAM-L", .id = V4L2_STD_SECAM_L, NORM_625_50, .sync_control = 0x18, .luma_control = 0x1b, .chroma_ctrl1 = 0xd1, .chroma_gain = 0x80, .chroma_ctrl2 = 0x00, .vgate_misc = 0x1c, },{ .name = "SECAM-Lc", .id = V4L2_STD_SECAM_LC, NORM_625_50, .sync_control = 0x18, .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 = 23, .video_v_stop = 262, .vbi_v_start_0 = 10, .vbi_v_stop_0 = 21, .vbi_v_start_1 = 273, .src_timing = 7, .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_HFLIP, .name = "Mirror", .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? */ mutex_lock(&dev->lock); if (dev->resources & bit) { /* no, someone else uses it */ mutex_unlock(&dev->lock); return 0; } /* it's free, grab it */ fh->resources |= bit; dev->resources |= bit; dprintk("res: get %d\n",bit); mutex_unlock(&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) { BUG_ON((fh->resources & bits) != bits); mutex_lock(&dev->lock); fh->resources &= ~bits; dev->resources &= ~bits; dprintk("res: put %d\n",bits); mutex_unlock(&dev->lock); } /* ------------------------------------------------------------------ */ static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) { dprintk("set tv norm = %s\n",norm->name); dev->tvnorm = norm; /* 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_0+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; saa7134_set_tvnorm_hw(dev); } 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 saa7134_set_decoder(struct saa7134_dev *dev) { int luma_control, sync_control, mux; struct saa7134_tvnorm *norm = dev->tvnorm; 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 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_invert ? -dev->ctl_contrast : dev->ctl_contrast); saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_invert ? -dev->ctl_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); } void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) { saa7134_set_decoder(dev); if (card_in(dev, dev->ctl_input).tv) { if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290) && ((card(dev).tuner_config == 1) || (card(dev).tuner_config == 2))) saa7134_set_gpio(dev, 22, 5); saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); } } 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 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; } /* Sort into smallest position first order */ static int cliplist_cmp(const void *a, const void *b) { const struct cliplist *cla = a; const struct cliplist *clb = b; if (cla->position < clb->position) return -1; if (cla->position > clb->position) return 1; return 0; } static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, int nclips, int interlace) { struct cliplist col[16], row[16]; int cols = 0, rows = 0, i; int div = interlace ? 2 : 1; memset(col, 0, sizeof(col)); memset(row, 0, sizeof(row)); 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(col, cols, sizeof col[0], cliplist_cmp, NULL); sort(row, rows, sizeof row[0], cliplist_cmp, NULL); 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(q,buf); } if (STATE_NEEDS_INIT == buf->vb.state) { struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 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(q,&buf->vb,&dev->ovbuf); if (err) goto oops; err = saa7134_pgtable_build(dev->pci,buf->pt, dma->sglist, 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(q,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_buf *buf = container_of(vb,struct saa7134_buf,vb); saa7134_dma_free(q,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_HFLIP: 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_HFLIP: 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: { struct v4l2_priv_tun_config tda9887_cfg; tda9887_cfg.tuner = TUNER_TDA9887; tda9887_cfg.priv = &dev->tda9887_conf; 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, TUNER_SET_CONFIG, &tda9887_cfg); } 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) { if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) return RESOURCE_VIDEO; if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) return RESOURCE_VBI; BUG(); return 0; } static int video_open(struct inode *inode, struct file *file) { int minor = iminor(inode); struct saa7134_dev *dev; struct saa7134_fh *fh; enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; int radio = 0; list_for_each_entry(dev, &saa7134_devlist, devlist) { if (dev->video_dev && (dev->video_dev->minor == minor)) goto found; if (dev->radio_dev && (dev->radio_dev->minor == minor)) { radio = 1; goto found; } if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) { type = V4L2_BUF_TYPE_VBI_CAPTURE; goto found; } } return -ENODEV; found: dprintk("open minor=%d radio=%d type=%s\n",minor,radio, v4l2_type_names[type]); /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); if (NULL == fh) return -ENOMEM; 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_pci_init(&fh->cap, &video_qops, dev->pci, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct saa7134_buf), fh); videobuf_queue_pci_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 { mutex_lock(&fh->cap.lock); if (UNSET == fh->cap.read_off) { /* need to capture a new frame */ if (res_locked(fh->dev,RESOURCE_VIDEO)) { mutex_unlock(&fh->cap.lock); return POLLERR; } if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { mutex_unlock(&fh->cap.lock); return POLLERR; } fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); fh->cap.read_off = 0; } mutex_unlock(&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)) { videobuf_stop(&fh->vbi); res_free(dev,fh,RESOURCE_VBI); } /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL); /* 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_0; f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; f->fmt.vbi.start[1] = norm->vbi_v_start_1; f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ } 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: if (saa7134_no_overlay > 0) { printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); return -EINVAL; } 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: if (saa7134_no_overlay > 0) { printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); return -EINVAL; } 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: if (saa7134_no_overlay > 0) { printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); return -EINVAL; } err = verify_preview(dev,&f->fmt.win); if (0 != err) return err; mutex_lock(&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)) { mutex_unlock(&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); } mutex_unlock(&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: { mutex_lock(&dev->lock); err = set_control(dev,NULL,arg); mutex_unlock(&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; mutex_lock(&dev->lock); video_mux(dev,*i); mutex_unlock(&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) v4l_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; unsigned int tuner_type = dev->tuner_type; 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_VBI_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_TUNER; if (saa7134_no_overlay <= 0) { cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; } if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET)) cap->capabilities &= ~V4L2_CAP_TUNER; 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; v4l2_std_id fixup; 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; if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) { if (secam[0] == 'L' || secam[0] == 'l') { if (secam[1] == 'C' || secam[1] == 'c') fixup = V4L2_STD_SECAM_LC; else fixup = V4L2_STD_SECAM_L; } else { if (secam[0] == 'D' || secam[0] == 'd') fixup = V4L2_STD_SECAM_DK; else fixup = V4L2_STD_SECAM; } for (i = 0; i < TVNORMS; i++) if (fixup == tvnorms[i].id) break; } mutex_lock(&dev->lock); if (res_check(fh, RESOURCE_OVERLAY)) { spin_lock_irqsave(&dev->slock,flags); stop_preview(dev,fh); spin_unlock_irqrestore(&dev->slock, flags); set_tvnorm(dev,&tvnorms[i]); spin_lock_irqsave(&dev->slock, flags); start_preview(dev,fh); spin_unlock_irqrestore(&dev->slock,flags); } else set_tvnorm(dev,&tvnorms[i]); saa7134_tvaudio_do_scan(dev); mutex_unlock(&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.left = b->left; if (crop->c.left > b->left + b->width) crop->c.left = 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->type = V4L2_TUNER_ANALOG_TV; 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; mutex_lock(&dev->lock); dev->ctl_freq = f->frequency; saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); saa7134_tvaudio_do_scan(dev); mutex_unlock(&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 (saa7134_no_overlay > 0) { printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); return -EINVAL; } 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 (saa7134_no_overlay > 0) { printk ("no_overlay\n"); return -EINVAL; } 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); } #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGMBUF: return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers); #endif 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) v4l_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->type = V4L2_TUNER_RADIO; saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t); if (dev->input->amux == TV) { t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); t->rxsubchans = (saa_readb(0x529) & 0x08) ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; } return 0; } case VIDIOC_S_TUNER: { struct v4l2_tuner *t = arg; if (0 != t->index) return -EINVAL; saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t); 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_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 const 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, .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; static const struct file_operations radio_fops = { .owner = THIS_MODULE, .open = video_open, .release = video_release, .ioctl = radio_ioctl, .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; /* ----------------------------------------------------------- */ /* exported stuff */ struct video_device saa7134_video_template = { .name = "saa7134-video", .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| VID_TYPE_CLIPPING|VID_TYPE_SCALES, .fops = &video_fops, .minor = -1, }; struct video_device saa7134_vbi_template = { .name = "saa7134-vbi", .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, .fops = &video_fops, .minor = -1, }; struct video_device saa7134_radio_template = { .name = "saa7134-radio", .type = VID_TYPE_TUNER, .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) saa7134_videoport_init(dev); return 0; } int saa7134_videoport_init(struct saa7134_dev *dev) { /* enable video output */ int vo = saa7134_boards[dev->board].video_out; int video_reg; unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); video_reg = video_out[vo][1]; if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) video_reg &= ~VP_T_CODE_P_INVERTED; saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); 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]); video_reg = video_out[vo][5]; if (vid_port_opts & SET_CLOCK_NOT_DELAYED) video_reg &= ~VP_CLK_CTRL2_DELAYED; if (vid_port_opts & SET_CLOCK_INVERTED) video_reg |= VP_CLK_CTRL1_INVERTED; saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); video_reg = video_out[vo][6]; if (vid_port_opts & SET_VSYNC_OFF) { video_reg &= ~VP_VS_TYPE_MASK; video_reg |= VP_VS_TYPE_OFF; } saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); 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; } void saa7134_irq_video_signalchange(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) || !(st2 & 0x1); if (dev->nosignal) { /* no video signal -> mute audio */ if (dev->ctl_automute) dev->automute = 1; saa7134_tvaudio_setmute(dev); } else { /* wake up tvaudio audio carrier scan thread */ saa7134_tvaudio_do_scan(dev); } if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) saa_clearb(SAA7134_SYNC_CTRL, 0x20); else saa_setb(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: */