diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 2661 |
1 files changed, 0 insertions, 2661 deletions
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c deleted file mode 100644 index 6de10b1e7251..000000000000 --- a/drivers/media/video/saa7134/saa7134-video.c +++ /dev/null @@ -1,2661 +0,0 @@ -/* - * - * 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, struct v4l2_crop *crop) -{ - struct saa7134_fh *fh = f; - struct saa7134_dev *dev = fh->dev; - 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; -} - -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, 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, - 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, - 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: - */ |