diff options
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 2661 |
1 files changed, 2661 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c new file mode 100644 index 000000000000..22f8758d047f --- /dev/null +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -0,0 +1,2661 @@ +/* + * + * 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/kernel.h> +#include <linux/slab.h> +#include <linux/sort.h> + +#include "saa7134-reg.h" +#include "saa7134.h" +#include <media/v4l2-common.h> +#include <media/saa6588.h> + +/* ------------------------------------------------------------------ */ + +unsigned int video_debug; +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&0x04) \ + 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 = 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 + +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, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_PRIVATE_Y_EVEN, + .name = "y offset even field", + .minimum = 0, + .maximum = 128, + .step = 1, + .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) + saa_call_all(dev, core, s_std, dev->tvnorm->id); + /* Set the correct norm for the saa6752hs. This function + does nothing if there is no saa6752hs. */ + saa_call_empress(dev, core, 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 = VIDEOBUF_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 (VIDEOBUF_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; + dev->video_q.curr = NULL; + + 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 = VIDEOBUF_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, +}; + +/* ------------------------------------------------------------------ */ + +int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, 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; +} +EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal); + +static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) +{ + struct saa7134_fh *fh = priv; + + return saa7134_g_ctrl_internal(fh->dev, fh, c); +} + +int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) +{ + const struct v4l2_queryctrl* ctrl; + unsigned long flags; + int restart_overlay = 0; + int err; + + /* When called from the empress code fh == NULL. + That needs to be fixed somehow, but for now this is + good enough. */ + if (fh) { + err = v4l2_prio_check(&dev->prio, fh->prio); + if (0 != err) + return err; + } + err = -EINVAL; + + mutex_lock(&dev->lock); + + ctrl = ctrl_by_id(c->id); + if (NULL == ctrl) + goto error; + + 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; + + saa_call_all(dev, tuner, s_config, &tda9887_cfg); + } + break; + } + default: + goto error; + } + 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); + } + err = 0; + +error: + mutex_unlock(&dev->lock); + return err; +} +EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal); + +static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) +{ + struct saa7134_fh *fh = f; + + return saa7134_s_ctrl_internal(fh->dev, fh, c); +} + +/* ------------------------------------------------------------------ */ + +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 file *file) +{ + struct video_device *vdev = video_devdata(file); + struct saa7134_dev *dev = video_drvdata(file); + struct saa7134_fh *fh; + enum v4l2_buf_type type = 0; + int radio = 0; + + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + break; + case VFL_TYPE_VBI: + type = V4L2_BUF_TYPE_VBI_CAPTURE; + break; + case VFL_TYPE_RADIO: + radio = 1; + break; + } + + dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev), + 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_sg_init(&fh->cap, &video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct saa7134_buf), + fh, NULL); + videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VBI_CAPTURE, + V4L2_FIELD_SEQ_TB, + sizeof(struct saa7134_buf), + fh, NULL); + 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); + saa_call_all(dev, tuner, s_radio); + } 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; + unsigned int rc = 0; + + if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) + return videobuf_poll_stream(file, &fh->vbi, wait); + + if (res_check(fh,RESOURCE_VIDEO)) { + mutex_lock(&fh->cap.vb_lock); + if (!list_empty(&fh->cap.stream)) + buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); + } else { + mutex_lock(&fh->cap.vb_lock); + if (UNSET == fh->cap.read_off) { + /* need to capture a new frame */ + if (res_locked(fh->dev,RESOURCE_VIDEO)) + goto err; + if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) + goto err; + fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); + fh->cap.read_off = 0; + } + buf = fh->cap.read_buf; + } + + if (!buf) + goto err; + + poll_wait(file, &buf->done, wait); + if (buf->state == VIDEOBUF_DONE || + buf->state == VIDEOBUF_ERROR) + rc = POLLIN|POLLRDNORM; + mutex_unlock(&fh->cap.vb_lock); + return rc; + +err: + mutex_unlock(&fh->cap.vb_lock); + return POLLERR; +} + +static int video_release(struct file *file) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + struct saa6588_command cmd; + unsigned long flags; + + saa7134_tvaudio_close(dev); + + /* 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); + + saa_call_all(dev, core, s_power, 0); + if (fh->radio) + saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd); + + /* 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 ssize_t radio_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + struct saa6588_command cmd; + + cmd.block_count = count/3; + cmd.buffer = data; + cmd.instance = file; + cmd.result = -ENODEV; + + saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd); + + return cmd.result; +} + +static unsigned int radio_poll(struct file *file, poll_table *wait) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + struct saa6588_command cmd; + + cmd.instance = file; + cmd.event_list = wait; + cmd.result = -ENODEV; + saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd); + + return cmd.result; +} + +/* ------------------------------------------------------------------ */ + +static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + 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 */ + + return 0; +} + +static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + + 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; +} + +static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + + if (saa7134_no_overlay > 0) { + printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } + f->fmt.win = fh->win; + + return 0; +} + +static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + 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; +} + +static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + if (saa7134_no_overlay > 0) { + printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } + + return verify_preview(dev, &f->fmt.win); +} + +static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + int err; + + err = saa7134_try_fmt_vid_cap(file, priv, 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; +} + +static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int err; + unsigned long flags; + + if (saa7134_no_overlay > 0) { + printk(KERN_ERR "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; +} + +int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) +{ + const struct v4l2_queryctrl *ctrl; + + 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; +} +EXPORT_SYMBOL_GPL(saa7134_queryctrl); + +static int saa7134_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + unsigned int n; + + n = i->index; + if (n >= SAA7134_INPUT_MAX) + return -EINVAL; + if (NULL == card_in(dev, i->index).name) + return -EINVAL; + 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; + } + i->std = SAA7134_NORMS; + return 0; +} + +static int saa7134_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + *i = dev->ctl_input; + return 0; +} + +static int saa7134_s_input(struct file *file, void *priv, unsigned int i) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int err; + + err = v4l2_prio_check(&dev->prio, fh->prio); + if (0 != err) + return err; + + if (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; +} + +static int saa7134_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + unsigned int tuner_type = dev->tuner_type; + + 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->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_VBI_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING | + V4L2_CAP_TUNER; + if (dev->has_rds) + cap->capabilities |= V4L2_CAP_RDS_CAPTURE; + 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; +} + +int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id) +{ + unsigned long flags; + unsigned int i; + v4l2_std_id fixup; + int err; + + /* When called from the empress code fh == NULL. + That needs to be fixed somehow, but for now this is + good enough. */ + if (fh) { + err = v4l2_prio_check(&dev->prio, fh->prio); + if (0 != err) + return err; + } else if (res_locked(dev, RESOURCE_OVERLAY)) { + /* Don't change the std from the mpeg device + if overlay is active. */ + return -EBUSY; + } + + 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; + } + if (i == TVNORMS) + return -EINVAL; + } + + *id = tvnorms[i].id; + + mutex_lock(&dev->lock); + if (fh && 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; +} +EXPORT_SYMBOL_GPL(saa7134_s_std_internal); + +static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + + return saa7134_s_std_internal(fh->dev, fh, id); +} + +static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + *id = dev->tvnorm->id; + return 0; +} + +static int saa7134_cropcap(struct file *file, void *priv, + struct v4l2_cropcap *cap) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + 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; +} + +static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) + return -EINVAL; + crop->c = dev->crop_current; + return 0; +} + +static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + struct v4l2_rect *b = &dev->crop_bounds; + struct v4l2_rect *c = &dev->crop_current; + + 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; + + *c = crop->c; + if (c->top < b->top) + c->top = b->top; + if (c->top > b->top + b->height) + c->top = b->top + b->height; + if (c->height > b->top - c->top + b->height) + c->height = b->top - c->top + b->height; + + if (c->left < b->left) + c->left = b->left; + if (c->left > b->left + b->width) + c->left = b->left + b->width; + if (c->width > b->left - c->left + b->width) + c->width = b->left - c->left + b->width; + return 0; +} + +static int saa7134_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + 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 (n == SAA7134_INPUT_MAX) + return -EINVAL; + 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; +} + +static int saa7134_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int rx, mode, err; + + err = v4l2_prio_check(&dev->prio, fh->prio); + if (0 != err) + return err; + + mode = dev->thread.mode; + if (UNSET == mode) { + rx = saa7134_tvaudio_getstereo(dev); + mode = saa7134_tvaudio_rx2mode(rx); + } + if (mode != t->audmode) + dev->thread.mode = t->audmode; + + return 0; +} + +static int saa7134_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = dev->ctl_freq; + + return 0; +} + +static int saa7134_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int err; + + err = v4l2_prio_check(&dev->prio, fh->prio); + if (0 != err) + return err; + + 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; + + saa_call_all(dev, tuner, s_frequency, f); + + saa7134_tvaudio_do_scan(dev); + mutex_unlock(&dev->lock); + return 0; +} + +static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a) +{ + strcpy(a->name, "audio"); + return 0; +} + +static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) +{ + return 0; +} + +static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + + *p = v4l2_prio_max(&dev->prio); + return 0; +} + +static int saa7134_s_priority(struct file *file, void *f, + enum v4l2_priority prio) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + + return v4l2_prio_change(&dev->prio, &fh->prio, prio); +} + +static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index >= FORMATS) + return -EINVAL; + + strlcpy(f->description, formats[f->index].name, + sizeof(f->description)); + + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (saa7134_no_overlay > 0) { + printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } + + if ((f->index >= FORMATS) || formats[f->index].planar) + return -EINVAL; + + strlcpy(f->description, formats[f->index].name, + sizeof(f->description)); + + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +static int saa7134_g_fbuf(struct file *file, void *f, + struct v4l2_framebuffer *fb) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + + *fb = dev->ovbuf; + fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; + + return 0; +} + +static int saa7134_s_fbuf(struct file *file, void *f, + const struct v4l2_framebuffer *fb) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + 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; +} + +static int saa7134_overlay(struct file *file, void *f, unsigned int on) +{ + struct saa7134_fh *fh = f; + struct saa7134_dev *dev = fh->dev; + unsigned long flags; + + if (on) { + if (saa7134_no_overlay > 0) { + dprintk("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; +} + +static int saa7134_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *p) +{ + struct saa7134_fh *fh = priv; + return videobuf_reqbufs(saa7134_queue(fh), p); +} + +static int saa7134_querybuf(struct file *file, void *priv, + struct v4l2_buffer *b) +{ + struct saa7134_fh *fh = priv; + return videobuf_querybuf(saa7134_queue(fh), b); +} + +static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct saa7134_fh *fh = priv; + return videobuf_qbuf(saa7134_queue(fh), b); +} + +static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct saa7134_fh *fh = priv; + return videobuf_dqbuf(saa7134_queue(fh), b, + file->f_flags & O_NONBLOCK); +} + +static int saa7134_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int res = saa7134_resource(fh); + + if (!res_get(dev, fh, res)) + return -EBUSY; + + return videobuf_streamon(saa7134_queue(fh)); +} + +static int saa7134_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + int err; + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + int res = saa7134_resource(fh); + + err = videobuf_streamoff(saa7134_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + +static int saa7134_g_parm(struct file *file, void *fh, + struct v4l2_streamparm *parm) +{ + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register (struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + reg->val = saa_readb(reg->reg); + reg->size = 1; + return 0; +} + +static int vidioc_s_register (struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + saa_writeb(reg->reg&0xffffff, reg->val); + return 0; +} +#endif + +static int radio_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + + 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->capabilities = V4L2_CAP_TUNER; + return 0; +} + +static int radio_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + + if (0 != t->index) + return -EINVAL; + + memset(t, 0, sizeof(*t)); + strcpy(t->name, "Radio"); + t->type = V4L2_TUNER_RADIO; + + saa_call_all(dev, tuner, 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; +} +static int radio_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + + if (0 != t->index) + return -EINVAL; + + saa_call_all(dev, tuner, s_tuner, t); + return 0; +} + +static int radio_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + if (i->index != 0) + return -EINVAL; + + strcpy(i->name, "Radio"); + i->type = V4L2_INPUT_TYPE_TUNER; + + return 0; +} + +static int radio_g_input(struct file *filp, void *priv, unsigned int *i) +{ + *i = 0; + return 0; +} + +static int radio_g_audio(struct file *file, void *priv, + struct v4l2_audio *a) +{ + memset(a, 0, sizeof(*a)); + strcpy(a->name, "Radio"); + return 0; +} + +static int radio_s_audio(struct file *file, void *priv, + const struct v4l2_audio *a) +{ + return 0; +} + +static int radio_s_input(struct file *filp, void *priv, unsigned int i) +{ + return 0; +} + +static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) +{ + return 0; +} + +static int radio_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + const struct v4l2_queryctrl *ctrl; + + 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; +} + +static const struct v4l2_file_operations video_fops = +{ + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = saa7134_querycap, + .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, + .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, + .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, + .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, + .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, + .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_g_audio = saa7134_g_audio, + .vidioc_s_audio = saa7134_s_audio, + .vidioc_cropcap = saa7134_cropcap, + .vidioc_reqbufs = saa7134_reqbufs, + .vidioc_querybuf = saa7134_querybuf, + .vidioc_qbuf = saa7134_qbuf, + .vidioc_dqbuf = saa7134_dqbuf, + .vidioc_s_std = saa7134_s_std, + .vidioc_g_std = saa7134_g_std, + .vidioc_enum_input = saa7134_enum_input, + .vidioc_g_input = saa7134_g_input, + .vidioc_s_input = saa7134_s_input, + .vidioc_queryctrl = saa7134_queryctrl, + .vidioc_g_ctrl = saa7134_g_ctrl, + .vidioc_s_ctrl = saa7134_s_ctrl, + .vidioc_streamon = saa7134_streamon, + .vidioc_streamoff = saa7134_streamoff, + .vidioc_g_tuner = saa7134_g_tuner, + .vidioc_s_tuner = saa7134_s_tuner, + .vidioc_g_crop = saa7134_g_crop, + .vidioc_s_crop = saa7134_s_crop, + .vidioc_g_fbuf = saa7134_g_fbuf, + .vidioc_s_fbuf = saa7134_s_fbuf, + .vidioc_overlay = saa7134_overlay, + .vidioc_g_priority = saa7134_g_priority, + .vidioc_s_priority = saa7134_s_priority, + .vidioc_g_parm = saa7134_g_parm, + .vidioc_g_frequency = saa7134_g_frequency, + .vidioc_s_frequency = saa7134_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static const struct v4l2_file_operations radio_fops = { + .owner = THIS_MODULE, + .open = video_open, + .read = radio_read, + .release = video_release, + .ioctl = video_ioctl2, + .poll = radio_poll, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { + .vidioc_querycap = radio_querycap, + .vidioc_g_tuner = radio_g_tuner, + .vidioc_enum_input = radio_enum_input, + .vidioc_g_audio = radio_g_audio, + .vidioc_s_tuner = radio_s_tuner, + .vidioc_s_audio = radio_s_audio, + .vidioc_s_input = radio_s_input, + .vidioc_s_std = radio_s_std, + .vidioc_queryctrl = radio_queryctrl, + .vidioc_g_input = radio_g_input, + .vidioc_g_ctrl = saa7134_g_ctrl, + .vidioc_s_ctrl = saa7134_s_ctrl, + .vidioc_g_frequency = saa7134_g_frequency, + .vidioc_s_frequency = saa7134_s_frequency, +}; + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +struct video_device saa7134_video_template = { + .name = "saa7134-video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = SAA7134_NORMS, + .current_norm = V4L2_STD_PAL, +}; + +struct video_device saa7134_radio_template = { + .name = "saa7134-radio", + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, +}; + +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; + + /* Configure videoport */ + 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_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]); + + /* Start videoport */ + saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); + + 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,VIDEOBUF_DONE); + } + saa7134_buffer_next(dev,&dev->video_q); + + done: + spin_unlock(&dev->slock); +} + +/* ----------------------------------------------------------- */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |