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Diffstat (limited to 'linux/drivers/media/video/saa7134/saa7134-video.c')
-rw-r--r--linux/drivers/media/video/saa7134/saa7134-video.c2243
1 files changed, 2243 insertions, 0 deletions
diff --git a/linux/drivers/media/video/saa7134/saa7134-video.c b/linux/drivers/media/video/saa7134/saa7134-video.c
new file mode 100644
index 000000000..170956f92
--- /dev/null
+++ b/linux/drivers/media/video/saa7134/saa7134-video.c
@@ -0,0 +1,2243 @@
+/*
+ * 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 "saa7134-reg.h"
+#include "saa7134.h"
+
+/* ------------------------------------------------------------------ */
+
+static unsigned int video_debug = 0;
+static unsigned int gbuffers = 8;
+static unsigned int noninterlaced = 0;
+static unsigned int gbufsize = 768*576*4;
+static unsigned int gbufsize_max = 768*576*4;
+MODULE_PARM(video_debug,"i");
+MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
+MODULE_PARM(gbuffers,"i");
+MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
+MODULE_PARM(noninterlaced,"i");
+MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
+
+#define dprintk(fmt, arg...) if (video_debug) \
+ printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
+
+/* ------------------------------------------------------------------ */
+/* data structs for video */
+
+static int video_out[][9] = {
+ [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
+};
+
+static struct saa7134_format formats[] = {
+ {
+ .name = "8 bpp gray",
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .depth = 8,
+ .pm = 0x06,
+ },{
+ .name = "15 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_RGB555,
+ .depth = 16,
+ .pm = 0x13 | 0x80,
+ },{
+ .name = "15 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB555X,
+ .depth = 16,
+ .pm = 0x13 | 0x80,
+ .bswap = 1,
+ },{
+ .name = "16 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .pm = 0x10 | 0x80,
+ },{
+ .name = "16 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB565X,
+ .depth = 16,
+ .pm = 0x10 | 0x80,
+ .bswap = 1,
+ },{
+ .name = "24 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_BGR24,
+ .depth = 24,
+ .pm = 0x11,
+ },{
+ .name = "24 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB24,
+ .depth = 24,
+ .pm = 0x11,
+ .bswap = 1,
+ },{
+ .name = "32 bpp RGB, le",
+ .fourcc = V4L2_PIX_FMT_BGR32,
+ .depth = 32,
+ .pm = 0x12,
+ },{
+ .name = "32 bpp RGB, be",
+ .fourcc = V4L2_PIX_FMT_RGB32,
+ .depth = 32,
+ .pm = 0x12,
+ .bswap = 1,
+ .wswap = 1,
+ },{
+ .name = "4:2:2 packed, YUYV",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .pm = 0x00,
+ .bswap = 1,
+ .yuv = 1,
+ },{
+ .name = "4:2:2 packed, UYVY",
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .depth = 16,
+ .pm = 0x00,
+ .yuv = 1,
+ },{
+ .name = "4:2:2 planar, Y-Cb-Cr",
+ .fourcc = V4L2_PIX_FMT_YUV422P,
+ .depth = 16,
+ .pm = 0x09,
+ .yuv = 1,
+ .planar = 1,
+ .hshift = 1,
+ .vshift = 0,
+ },{
+ .name = "4:2:0 planar, Y-Cb-Cr",
+ .fourcc = V4L2_PIX_FMT_YUV420,
+ .depth = 12,
+ .pm = 0x0a,
+ .yuv = 1,
+ .planar = 1,
+ .hshift = 1,
+ .vshift = 1,
+ },{
+ .name = "4:2:0 planar, Y-Cb-Cr",
+ .fourcc = V4L2_PIX_FMT_YVU420,
+ .depth = 12,
+ .pm = 0x0a,
+ .yuv = 1,
+ .planar = 1,
+ .uvswap = 1,
+ .hshift = 1,
+ .vshift = 1,
+ }
+};
+#define FORMATS ARRAY_SIZE(formats)
+
+static struct saa7134_tvnorm tvnorms[] = {
+ {
+ .name = "PAL",
+ .id = V4L2_STD_PAL,
+ .width = 720,
+ .height = 576,
+
+ .sync_control = 0x18,
+ .luma_control = 0x40,
+ .chroma_ctrl1 = 0x81,
+ .chroma_gain = 0x2a,
+ .chroma_ctrl2 = 0x06,
+ .vgate_misc = 0x1c,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 24,
+ .video_v_stop = 311,
+ .vbi_v_start = 7,
+ .vbi_v_stop = 22,
+ .src_timing = 4,
+ },{
+ .name = "NTSC",
+ .id = V4L2_STD_NTSC,
+ .width = 720,
+ .height = 480,
+
+ .sync_control = 0x59,
+ .luma_control = 0x40,
+ .chroma_ctrl1 = 0x89,
+ .chroma_gain = 0x2a,
+ .chroma_ctrl2 = 0x0e,
+ .vgate_misc = 0x18,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 22,
+ .video_v_stop = 22+240,
+ .vbi_v_start = 10, /* FIXME */
+ .vbi_v_stop = 21, /* FIXME */
+ .src_timing = 1,
+ },{
+ .name = "SECAM",
+ .id = V4L2_STD_SECAM,
+ .width = 720,
+ .height = 576,
+
+ .sync_control = 0x18, /* old: 0x58, */
+ .luma_control = 0x1b,
+ .chroma_ctrl1 = 0xd1,
+ .chroma_gain = 0x80,
+ .chroma_ctrl2 = 0x00,
+ .vgate_misc = 0x1c,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 24,
+ .video_v_stop = 311,
+ .vbi_v_start = 7,
+ .vbi_v_stop = 22,
+ .src_timing = 4,
+ },{
+ .name = "PAL-M",
+ .id = V4L2_STD_PAL_M,
+ .width = 720,
+ .height = 480,
+
+ .sync_control = 0x59,
+ .luma_control = 0x40,
+ .chroma_ctrl1 = 0xb9,
+ .chroma_gain = 0x2a,
+ .chroma_ctrl2 = 0x0e,
+ .vgate_misc = 0x18,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 22,
+ .video_v_stop = 22+240,
+ .vbi_v_start = 10, /* FIXME */
+ .vbi_v_stop = 21, /* FIXME */
+ .src_timing = 1,
+ },{
+ .name = "PAL-Nc",
+ .id = V4L2_STD_PAL_Nc,
+ .width = 720,
+ .height = 576,
+
+ .sync_control = 0x18,
+ .luma_control = 0x40,
+ .chroma_ctrl1 = 0xa1,
+ .chroma_gain = 0x2a,
+ .chroma_ctrl2 = 0x06,
+ .vgate_misc = 0x1c,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 24,
+ .video_v_stop = 311,
+ .vbi_v_start = 7,
+ .vbi_v_stop = 22,
+ .src_timing = 4,
+#if 0
+ },{
+ .name = "AUTO",
+ .id = V4L2_STD_PAL|V4L2_STD_NTSC|V4L2_STD_SECAM,
+ .width = 768,
+ .height = 576,
+
+ .sync_control = 0x98,
+ .luma_control = 0x40,
+ .chroma_ctrl1 = 0x8b,
+ .chroma_gain = 0x00,
+ .chroma_ctrl2 = 0x00,
+ .vgate_misc = 0x18,
+
+ .h_start = 0,
+ .h_stop = 719,
+ .video_v_start = 24,
+ .video_v_stop = 311,
+ .vbi_v_start = 7,
+ .vbi_v_stop = 22,
+ .src_timing = 4,
+#endif
+ }
+};
+#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_LASTP1 (V4L2_CID_PRIVATE_BASE + 3)
+
+static const struct v4l2_queryctrl no_ctrl = {
+ .name = "42",
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+};
+static const struct v4l2_queryctrl video_ctrls[] = {
+ /* --- video --- */
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .name = "Brightness",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 128,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_CONTRAST,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 68,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_SATURATION,
+ .name = "Saturation",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 64,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_HUE,
+ .name = "Hue",
+ .minimum = -128,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_VFLIP,
+ .name = "vertical flip",
+ .minimum = 0,
+ .maximum = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },
+ /* --- audio --- */
+ {
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },{
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = -15,
+ .maximum = 15,
+ .step = 1,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },
+ /* --- private --- */
+ {
+ .id = V4L2_CID_PRIVATE_INVERT,
+ .name = "Invert",
+ .minimum = 0,
+ .maximum = 1,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },{
+ .id = V4L2_CID_PRIVATE_Y_ODD,
+ .name = "y offset odd field",
+ .minimum = 0,
+ .maximum = 128,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_PRIVATE_Y_EVEN,
+ .name = "y offset even field",
+ .minimum = 0,
+ .maximum = 128,
+ .default_value = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
+static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
+
+static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
+{
+ unsigned int i;
+
+ for (i = 0; i < CTRLS; i++)
+ if (video_ctrls[i].id == id)
+ return video_ctrls+i;
+ return NULL;
+}
+
+static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < FORMATS; i++)
+ if (formats[i].fourcc == fourcc)
+ return formats+i;
+ return NULL;
+}
+
+/* ----------------------------------------------------------------------- */
+/* resource management */
+
+static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
+{
+ if (fh->resources & bit)
+ /* have it already allocated */
+ return 1;
+
+ /* is it free? */
+ down(&dev->lock);
+ if (dev->resources & bit) {
+ /* no, someone else uses it */
+ up(&dev->lock);
+ return 0;
+ }
+ /* it's free, grab it */
+ fh->resources |= bit;
+ dev->resources |= bit;
+ dprintk("res: get %d\n",bit);
+ up(&dev->lock);
+ return 1;
+}
+
+static
+int res_check(struct saa7134_fh *fh, unsigned int bit)
+{
+ return (fh->resources & bit);
+}
+
+static
+int res_locked(struct saa7134_dev *dev, unsigned int bit)
+{
+ return (dev->resources & bit);
+}
+
+static
+void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
+{
+ if ((fh->resources & bits) != bits)
+ BUG();
+
+ down(&dev->lock);
+ fh->resources &= ~bits;
+ dev->resources &= ~bits;
+ dprintk("res: put %d\n",bits);
+ up(&dev->lock);
+}
+
+/* ------------------------------------------------------------------ */
+
+static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
+{
+ struct video_channel c;
+ int luma_control,sync_control,mux;
+
+ dprintk("set tv norm = %s\n",norm->name);
+ dev->tvnorm = norm;
+
+ mux = card_in(dev,dev->ctl_input).vmux;
+ luma_control = norm->luma_control;
+ sync_control = norm->sync_control;
+
+ if (mux > 5)
+ luma_control |= 0x80; /* svideo */
+ if (noninterlaced)
+ 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_contrast);
+
+ saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
+ saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
+ saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
+ saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
+
+ saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
+ saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
+
+ saa_writeb(SAA7134_ANALOG_ADC, 0x01);
+ saa_writeb(SAA7134_VGATE_START, 0x11);
+ saa_writeb(SAA7134_VGATE_STOP, 0xfe);
+ saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
+ saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
+ saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
+
+ /* pass down info to the i2c chips (v4l1) */
+ memset(&c,0,sizeof(c));
+ c.channel = dev->ctl_input;
+ c.norm = VIDEO_MODE_PAL;
+ if (norm->id & V4L2_STD_NTSC)
+ c.norm = VIDEO_MODE_NTSC;
+ if (norm->id & V4L2_STD_SECAM)
+ c.norm = VIDEO_MODE_SECAM;
+ saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
+}
+
+static void video_mux(struct saa7134_dev *dev, int input)
+{
+ dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
+ dev->ctl_input = input;
+ set_tvnorm(dev,dev->tvnorm);
+ saa7134_tvaudio_setinput(dev,&card_in(dev,input));
+}
+
+static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
+{
+ static const struct {
+ int xpsc;
+ int xacl;
+ int xc2_1;
+ int xdcg;
+ int vpfy;
+ } vals[] = {
+ /* XPSC XACL XC2_1 XDCG VPFY */
+ { 1, 0, 0, 0, 0 },
+ { 2, 2, 1, 2, 2 },
+ { 3, 4, 1, 3, 2 },
+ { 4, 8, 1, 4, 2 },
+ { 5, 8, 1, 4, 2 },
+ { 6, 8, 1, 4, 3 },
+ { 7, 8, 1, 4, 3 },
+ { 8, 15, 0, 4, 3 },
+ { 9, 15, 0, 4, 3 },
+ { 10, 16, 1, 5, 3 },
+ };
+ static const int count = ARRAY_SIZE(vals);
+ int i;
+
+ for (i = 0; i < count; i++)
+ if (vals[i].xpsc == prescale)
+ break;
+ if (i == count)
+ return;
+
+ saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
+ saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
+ saa_writeb(SAA7134_LEVEL_CTRL(task),
+ (vals[i].xc2_1 << 3) | (vals[i].xdcg));
+ saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
+ (vals[i].vpfy << 2) | vals[i].vpfy);
+}
+
+static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
+{
+ int val,mirror;
+
+ saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
+ saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
+
+ mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
+ if (yscale < 2048) {
+ /* LPI */
+ dprintk("yscale LPI yscale=%d\n",yscale);
+ saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
+ saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
+ saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
+ } else {
+ /* ACM */
+ val = 0x40 * 1024 / yscale;
+ dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
+ saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
+ saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
+ saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
+ }
+ saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
+}
+
+static void set_size(struct saa7134_dev *dev, int task,
+ int width, int height, int interlace)
+{
+ struct saa7134_tvnorm *norm = dev->tvnorm;
+ int prescale,xscale,yscale,y_even,y_odd;
+ int div = interlace ? 2 : 1;
+
+ /* setup video scaler */
+ saa_writeb(SAA7134_VIDEO_H_START1(task), norm->h_start & 0xff);
+ saa_writeb(SAA7134_VIDEO_H_START2(task), norm->h_start >> 8);
+ saa_writeb(SAA7134_VIDEO_H_STOP1(task), norm->h_stop & 0xff);
+ saa_writeb(SAA7134_VIDEO_H_STOP2(task), norm->h_stop >> 8);
+ saa_writeb(SAA7134_VIDEO_V_START1(task), norm->video_v_start & 0xff);
+ saa_writeb(SAA7134_VIDEO_V_START2(task), norm->video_v_start >> 8);
+ saa_writeb(SAA7134_VIDEO_V_STOP1(task), norm->video_v_stop & 0xff);
+ saa_writeb(SAA7134_VIDEO_V_STOP2(task), norm->video_v_stop >> 8);
+
+ prescale = norm->width / width;
+ if (0 == prescale)
+ prescale = 1;
+ xscale = 1024 * norm->width / prescale / width;
+ yscale = 512 * div * norm->height / height;
+ dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
+ set_h_prescale(dev,task,prescale);
+ saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
+ saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
+ set_v_scale(dev,task,yscale);
+
+ saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
+ saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
+ saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
+ saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
+
+ /* deinterlace y offsets */
+ y_odd = dev->ctl_y_odd;
+ y_even = dev->ctl_y_even;
+ saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
+ saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
+ saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
+ saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
+}
+
+/* ------------------------------------------------------------------ */
+
+struct cliplist {
+ __u16 position;
+ __u8 enable;
+ __u8 disable;
+};
+
+static void sort_cliplist(struct cliplist *cl, int entries)
+{
+ struct cliplist swap;
+ int i,j,n;
+
+ for (i = entries-2; i >= 0; i--) {
+ for (n = 0, j = 0; j <= i; j++) {
+ if (cl[j].position > cl[j+1].position) {
+ swap = cl[j];
+ cl[j] = cl[j+1];
+ cl[j+1] = swap;
+ n++;
+ }
+ }
+ if (0 == n)
+ break;
+ }
+}
+
+static void set_cliplist(struct saa7134_dev *dev, int reg,
+ struct cliplist *cl, int entries, char *name)
+{
+ __u8 winbits = 0;
+ int i;
+
+ for (i = 0; i < entries; i++) {
+ winbits |= cl[i].enable;
+ winbits &= ~cl[i].disable;
+ if (i < 15 && cl[i].position == cl[i+1].position)
+ continue;
+ saa_writeb(reg + 0, winbits);
+ saa_writeb(reg + 2, cl[i].position & 0xff);
+ saa_writeb(reg + 3, cl[i].position >> 8);
+ dprintk("clip: %s winbits=%02x pos=%d\n",
+ name,winbits,cl[i].position);
+ reg += 8;
+ }
+ for (; reg < 0x400; reg += 8) {
+ saa_writeb(reg+ 0, 0);
+ saa_writeb(reg + 1, 0);
+ saa_writeb(reg + 2, 0);
+ saa_writeb(reg + 3, 0);
+ }
+}
+
+static int clip_range(int val)
+{
+ if (val < 0)
+ val = 0;
+ return val;
+}
+
+static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
+ int nclips, int interlace)
+{
+ struct cliplist col[16], row[16];
+ int cols, rows, i;
+ int div = interlace ? 2 : 1;
+
+ memset(col,0,sizeof(col)); cols = 0;
+ memset(row,0,sizeof(row)); rows = 0;
+ for (i = 0; i < nclips && i < 8; i++) {
+ col[cols].position = clip_range(clips[i].c.left);
+ col[cols].enable = (1 << i);
+ cols++;
+ col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
+ col[cols].disable = (1 << i);
+ cols++;
+ row[rows].position = clip_range(clips[i].c.top / div);
+ row[rows].enable = (1 << i);
+ rows++;
+ row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
+ / div);
+ row[rows].disable = (1 << i);
+ rows++;
+ }
+ sort_cliplist(col,cols);
+ sort_cliplist(row,rows);
+ set_cliplist(dev,0x380,col,cols,"cols");
+ set_cliplist(dev,0x384,row,rows,"rows");
+ return 0;
+}
+
+static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
+{
+ enum v4l2_field field;
+ int maxw, maxh;
+
+ if (NULL == dev->ovbuf.base)
+ return -EINVAL;
+ if (NULL == dev->ovfmt)
+ return -EINVAL;
+ if (win->w.width < 48 || win->w.height < 32)
+ return -EINVAL;
+ if (win->clipcount > 2048)
+ return -EINVAL;
+
+ field = win->field;
+ maxw = dev->tvnorm->width;
+ maxh = dev->tvnorm->height;
+
+ if (V4L2_FIELD_ANY == field) {
+ field = (win->w.height > maxh/2)
+ ? V4L2_FIELD_INTERLACED
+ : V4L2_FIELD_TOP;
+ }
+ switch (field) {
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ maxh = maxh / 2;
+ break;
+ case V4L2_FIELD_INTERLACED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ win->field = field;
+ if (win->w.width > maxw)
+ win->w.width = maxw;
+ if (win->w.height > maxh)
+ win->w.height = maxh;
+ return 0;
+}
+
+static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
+{
+ unsigned long base,control,bpl;
+ int err;
+
+ err = verify_preview(dev,&fh->win);
+ if (0 != err)
+ return err;
+
+ dev->ovfield = fh->win.field;
+ dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
+ fh->win.w.width,fh->win.w.height,
+ fh->win.w.left,fh->win.w.top,
+ dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
+
+ /* setup window + clipping */
+ set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
+ V4L2_FIELD_HAS_BOTH(dev->ovfield));
+ setup_clipping(dev,fh->clips,fh->nclips,
+ V4L2_FIELD_HAS_BOTH(dev->ovfield));
+ if (dev->ovfmt->yuv)
+ saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
+ else
+ saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
+ saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
+
+ /* dma: setup channel 1 (= Video Task B) */
+ base = (unsigned long)dev->ovbuf.base;
+ base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
+ base += dev->ovfmt->depth/8 * fh->win.w.left;
+ bpl = dev->ovbuf.fmt.bytesperline;
+ control = SAA7134_RS_CONTROL_BURST_16;
+ if (dev->ovfmt->bswap)
+ control |= SAA7134_RS_CONTROL_BSWAP;
+ if (dev->ovfmt->wswap)
+ control |= SAA7134_RS_CONTROL_WSWAP;
+ if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
+ saa_writel(SAA7134_RS_BA1(1),base);
+ saa_writel(SAA7134_RS_BA2(1),base+bpl);
+ saa_writel(SAA7134_RS_PITCH(1),bpl*2);
+ saa_writel(SAA7134_RS_CONTROL(1),control);
+ } else {
+ saa_writel(SAA7134_RS_BA1(1),base);
+ saa_writel(SAA7134_RS_BA2(1),base);
+ saa_writel(SAA7134_RS_PITCH(1),bpl);
+ saa_writel(SAA7134_RS_CONTROL(1),control);
+ }
+
+ /* start dma */
+ dev->ovenable = 1;
+ saa7134_set_dmabits(dev);
+
+ return 0;
+}
+
+static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
+{
+ dev->ovenable = 0;
+ saa7134_set_dmabits(dev);
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static int buffer_activate(struct saa7134_dev *dev,
+ struct saa7134_buf *buf,
+ struct saa7134_buf *next)
+{
+ unsigned long base,control,bpl;
+ unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
+
+ dprintk("buffer_activate buf=%p\n",buf);
+ buf->vb.state = STATE_ACTIVE;
+ buf->top_seen = 0;
+
+ set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
+ V4L2_FIELD_HAS_BOTH(buf->vb.field));
+ if (buf->fmt->yuv)
+ saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
+ else
+ saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
+ saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
+
+ /* DMA: setup channel 0 (= Video Task A0) */
+ base = saa7134_buffer_base(buf);
+ if (buf->fmt->planar)
+ bpl = buf->vb.width;
+ else
+ bpl = (buf->vb.width * buf->fmt->depth) / 8;
+ control = SAA7134_RS_CONTROL_BURST_16 |
+ SAA7134_RS_CONTROL_ME |
+ (buf->pt->dma >> 12);
+ if (buf->fmt->bswap)
+ control |= SAA7134_RS_CONTROL_BSWAP;
+ if (buf->fmt->wswap)
+ control |= SAA7134_RS_CONTROL_WSWAP;
+ if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
+ /* interlaced */
+ saa_writel(SAA7134_RS_BA1(0),base);
+ saa_writel(SAA7134_RS_BA2(0),base+bpl);
+ saa_writel(SAA7134_RS_PITCH(0),bpl*2);
+ } else {
+ /* non-interlaced */
+ saa_writel(SAA7134_RS_BA1(0),base);
+ saa_writel(SAA7134_RS_BA2(0),base);
+ saa_writel(SAA7134_RS_PITCH(0),bpl);
+ }
+ saa_writel(SAA7134_RS_CONTROL(0),control);
+
+ if (buf->fmt->planar) {
+ /* DMA: setup channel 4+5 (= planar task A) */
+ bpl_uv = bpl >> buf->fmt->hshift;
+ lines_uv = buf->vb.height >> buf->fmt->vshift;
+ base2 = base + bpl * buf->vb.height;
+ base3 = base2 + bpl_uv * lines_uv;
+ if (buf->fmt->uvswap)
+ tmp = base2, base2 = base3, base3 = tmp;
+ dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
+ bpl_uv,lines_uv,base2,base3);
+ if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
+ /* interlaced */
+ saa_writel(SAA7134_RS_BA1(4),base2);
+ saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
+ saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
+ saa_writel(SAA7134_RS_BA1(5),base3);
+ saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
+ saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
+ } else {
+ /* non-interlaced */
+ saa_writel(SAA7134_RS_BA1(4),base2);
+ saa_writel(SAA7134_RS_BA2(4),base2);
+ saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
+ saa_writel(SAA7134_RS_BA1(5),base3);
+ saa_writel(SAA7134_RS_BA2(5),base3);
+ saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
+ }
+ saa_writel(SAA7134_RS_CONTROL(4),control);
+ saa_writel(SAA7134_RS_CONTROL(5),control);
+ }
+
+ /* start DMA */
+ saa7134_set_dmabits(dev);
+ mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
+ return 0;
+}
+
+static int buffer_prepare(struct file *file, struct videobuf_buffer *vb,
+ enum v4l2_field field)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+ struct saa7134_buf *buf = (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 > dev->tvnorm->width ||
+ fh->height > dev->tvnorm->height)
+ return -EINVAL;
+ size = (fh->width * fh->height * fh->fmt->depth) >> 3;
+ if (0 != buf->vb.baddr && buf->vb.bsize < size)
+ return -EINVAL;
+
+ dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
+ vb->i,fh->width,fh->height,size,v4l2_field_names[field],
+ fh->fmt->name);
+ if (buf->vb.width != fh->width ||
+ buf->vb.height != fh->height ||
+ buf->vb.size != size ||
+ buf->vb.field != field ||
+ buf->fmt != fh->fmt) {
+ saa7134_dma_free(dev,buf);
+ }
+
+ if (STATE_NEEDS_INIT == buf->vb.state) {
+ buf->vb.width = fh->width;
+ buf->vb.height = fh->height;
+ buf->vb.size = size;
+ buf->vb.field = field;
+ buf->fmt = fh->fmt;
+ buf->pt = &fh->pt_cap;
+
+ err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
+ if (err)
+ goto oops;
+ err = saa7134_pgtable_build(dev->pci,buf->pt,
+ buf->vb.dma.sglist,
+ buf->vb.dma.sglen,
+ saa7134_buffer_startpage(buf));
+ if (err)
+ goto oops;
+ }
+ buf->vb.state = STATE_PREPARED;
+ buf->activate = buffer_activate;
+ return 0;
+
+ oops:
+ saa7134_dma_free(dev,buf);
+ return err;
+}
+
+static int
+buffer_setup(struct file *file, unsigned int *count, unsigned int *size)
+{
+ struct saa7134_fh *fh = file->private_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 file *file, struct videobuf_buffer *vb)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_buf *buf = (struct saa7134_buf *)vb;
+
+ saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
+}
+
+static void buffer_release(struct file *file, struct videobuf_buffer *vb)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_buf *buf = (struct saa7134_buf *)vb;
+
+ saa7134_dma_free(fh->dev,buf);
+}
+
+static struct videobuf_queue_ops video_qops = {
+ .buf_setup = buffer_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_queue = buffer_queue,
+ .buf_release = buffer_release,
+};
+
+/* ------------------------------------------------------------------ */
+
+static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
+{
+ const struct v4l2_queryctrl* ctrl;
+
+ ctrl = ctrl_by_id(c->id);
+ if (NULL == ctrl)
+ return -EINVAL;
+ switch (c->id) {
+ case V4L2_CID_BRIGHTNESS:
+ c->value = dev->ctl_bright;
+ break;
+ case V4L2_CID_HUE:
+ c->value = dev->ctl_hue;
+ break;
+ case V4L2_CID_CONTRAST:
+ c->value = dev->ctl_contrast;
+ break;
+ case V4L2_CID_SATURATION:
+ c->value = dev->ctl_saturation;
+ break;
+ case V4L2_CID_AUDIO_MUTE:
+ c->value = dev->ctl_mute;
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ c->value = dev->ctl_volume;
+ break;
+ case V4L2_CID_PRIVATE_INVERT:
+ c->value = dev->ctl_invert;
+ break;
+ case V4L2_CID_VFLIP:
+ c->value = dev->ctl_mirror;
+ break;
+ case V4L2_CID_PRIVATE_Y_EVEN:
+ c->value = dev->ctl_y_even;
+ break;
+ case V4L2_CID_PRIVATE_Y_ODD:
+ c->value = dev->ctl_y_odd;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
+ struct v4l2_control *c)
+{
+ const struct v4l2_queryctrl* ctrl;
+ unsigned long flags;
+ int restart_overlay = 0;
+
+ ctrl = ctrl_by_id(c->id);
+ if (NULL == ctrl)
+ return -EINVAL;
+ dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
+ switch (ctrl->type) {
+ case V4L2_CTRL_TYPE_BOOLEAN:
+ case V4L2_CTRL_TYPE_MENU:
+ case V4L2_CTRL_TYPE_INTEGER:
+ if (c->value < ctrl->minimum)
+ c->value = ctrl->minimum;
+ if (c->value > ctrl->maximum)
+ c->value = ctrl->maximum;
+ break;
+ default:
+ /* nothing */;
+ };
+ switch (c->id) {
+ case V4L2_CID_BRIGHTNESS:
+ dev->ctl_bright = c->value;
+ saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
+ break;
+ case V4L2_CID_HUE:
+ dev->ctl_hue = c->value;
+ saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
+ break;
+ case V4L2_CID_CONTRAST:
+ dev->ctl_contrast = c->value;
+ saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
+ dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
+ break;
+ case V4L2_CID_SATURATION:
+ dev->ctl_saturation = c->value;
+ saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
+ dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
+ break;
+ case V4L2_CID_AUDIO_MUTE:
+ dev->ctl_mute = c->value;
+ saa7134_tvaudio_setmute(dev);
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ dev->ctl_volume = c->value;
+ saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
+ break;
+ case V4L2_CID_PRIVATE_INVERT:
+ dev->ctl_invert = c->value;
+ saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
+ dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
+ saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
+ dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
+ break;
+ case V4L2_CID_VFLIP:
+ dev->ctl_mirror = c->value;
+ restart_overlay = 1;
+ break;
+ case V4L2_CID_PRIVATE_Y_EVEN:
+ dev->ctl_y_even = c->value;
+ restart_overlay = 1;
+ break;
+ case V4L2_CID_PRIVATE_Y_ODD:
+ dev->ctl_y_odd = c->value;
+ restart_overlay = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev,fh);
+ start_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ }
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
+{
+ struct videobuf_queue* q = NULL;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ q = &fh->cap;
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ q = &fh->vbi;
+ break;
+ default:
+ BUG();
+ }
+ return q;
+}
+
+static int saa7134_resource(struct saa7134_fh *fh)
+{
+ int res = 0;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ res = RESOURCE_VIDEO;
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ res = RESOURCE_VBI;
+ break;
+ default:
+ BUG();
+ }
+ return res;
+}
+
+static int video_open(struct inode *inode, struct file *file)
+{
+ int minor = iminor(inode);
+ struct saa7134_dev *h,*dev = NULL;
+ struct saa7134_fh *fh;
+ struct list_head *list;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ int radio = 0;
+
+ list_for_each(list,&saa7134_devlist) {
+ h = list_entry(list, struct saa7134_dev, devlist);
+ if (h->video_dev && (h->video_dev->minor == minor))
+ dev = h;
+ if (h->radio_dev && (h->radio_dev->minor == minor)) {
+ radio = 1;
+ dev = h;
+ }
+ if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ dev = h;
+ }
+ }
+ if (NULL == dev)
+ return -ENODEV;
+
+ dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
+ v4l2_type_names[type]);
+
+ /* allocate + initialize per filehandle data */
+ fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+ if (NULL == fh)
+ return -ENOMEM;
+ memset(fh,0,sizeof(*fh));
+ file->private_data = fh;
+ fh->dev = dev;
+ fh->radio = radio;
+ fh->type = type;
+ fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
+ fh->width = 768;
+ fh->height = 576;
+#ifdef VIDIOC_G_PRIORITY
+ v4l2_prio_open(&dev->prio,&fh->prio);
+#endif
+
+ videobuf_queue_init(&fh->cap, &video_qops,
+ dev->pci, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED,
+ sizeof(struct saa7134_buf));
+ init_MUTEX(&fh->cap.lock);
+ saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
+
+ videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
+ dev->pci, &dev->slock,
+ V4L2_BUF_TYPE_VBI_CAPTURE,
+ V4L2_FIELD_SEQ_TB,
+ sizeof(struct saa7134_buf));
+ init_MUTEX(&fh->vbi.lock);
+ saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
+
+ if (fh->radio) {
+ /* switch to radio mode */
+ saa7134_tvaudio_setinput(dev,&card(dev).radio);
+ saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
+ } else {
+ /* switch to video/vbi mode */
+ video_mux(dev,dev->ctl_input);
+ }
+ return 0;
+}
+
+static ssize_t
+video_read(struct file *file, char *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(file, saa7134_queue(fh),
+ data, count, ppos);
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (!res_get(fh->dev,fh,RESOURCE_VBI))
+ return -EBUSY;
+ return videobuf_read_stream(file, saa7134_queue(fh),
+ data, count, ppos, 1);
+ break;
+ default:
+ BUG();
+ return 0;
+ }
+}
+
+static unsigned int
+video_poll(struct file *file, struct poll_table_struct *wait)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct videobuf_buffer *buf = NULL;
+
+ if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
+ return videobuf_poll_stream(file, &fh->vbi, wait);
+
+ if (res_check(fh,RESOURCE_VIDEO)) {
+ if (!list_empty(&fh->cap.stream))
+ buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
+ } else {
+ down(&fh->cap.lock);
+ if (UNSET == fh->cap.read_off) {
+ /* need to capture a new frame */
+ if (res_locked(fh->dev,RESOURCE_VIDEO)) {
+ up(&fh->cap.lock);
+ return POLLERR;
+ }
+ if (0 != fh->cap.ops->buf_prepare(file,fh->cap.read_buf,fh->cap.field)) {
+ up(&fh->cap.lock);
+ return POLLERR;
+ }
+ fh->cap.ops->buf_queue(file,fh->cap.read_buf);
+ fh->cap.read_off = 0;
+ }
+ up(&fh->cap.lock);
+ buf = fh->cap.read_buf;
+ }
+
+ if (!buf)
+ return POLLERR;
+
+ poll_wait(file, &buf->done, wait);
+ if (buf->state == STATE_DONE ||
+ buf->state == STATE_ERROR)
+ return POLLIN|POLLRDNORM;
+ return 0;
+}
+
+static int video_release(struct inode *inode, struct file *file)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+ unsigned long flags;
+
+ /* turn off overlay */
+ if (res_check(fh, RESOURCE_OVERLAY)) {
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ res_free(dev,fh,RESOURCE_OVERLAY);
+ }
+
+ /* stop video capture */
+ if (res_check(fh, RESOURCE_VIDEO)) {
+ videobuf_streamoff(file,&fh->cap);
+ res_free(dev,fh,RESOURCE_VIDEO);
+ }
+ if (fh->cap.read_buf) {
+ buffer_release(file,fh->cap.read_buf);
+ kfree(fh->cap.read_buf);
+ }
+
+ /* stop vbi capture */
+ if (res_check(fh, RESOURCE_VBI)) {
+ if (fh->vbi.streaming)
+ videobuf_streamoff(file,&fh->vbi);
+ if (fh->vbi.reading)
+ videobuf_read_stop(file,&fh->vbi);
+ res_free(dev,fh,RESOURCE_VBI);
+ }
+
+ saa7134_pgtable_free(dev->pci,&fh->pt_cap);
+ saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
+
+#ifdef VIDIOC_G_PRIORITY
+ v4l2_prio_close(&dev->prio,&fh->prio);
+#endif
+ 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(vma,saa7134_queue(fh));
+}
+
+/* ------------------------------------------------------------------ */
+
+void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
+{
+ struct saa7134_tvnorm *norm = dev->tvnorm;
+
+ f->fmt.vbi.sampling_rate = 6750000 * 4;
+ f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
+ f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
+ f->fmt.vbi.offset = 64 * 4;
+ f->fmt.vbi.start[0] = norm->vbi_v_start;
+ f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1;
+ f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1;
+ f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
+ f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
+
+#if 0
+ if (V4L2_STD_PAL == norm->id) {
+ /* FIXME */
+ f->fmt.vbi.start[0] += 3;
+ f->fmt.vbi.start[1] += 3*2;
+ }
+#endif
+}
+
+int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
+ struct v4l2_format *f)
+{
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
+ f->fmt.pix.width = fh->width;
+ f->fmt.pix.height = fh->height;
+ f->fmt.pix.field = fh->cap.field;
+ f->fmt.pix.pixelformat = fh->fmt->fourcc;
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fh->fmt->depth) >> 3;
+ f->fmt.pix.sizeimage =
+ f->fmt.pix.height * f->fmt.pix.bytesperline;
+ return 0;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ f->fmt.win = fh->win;
+ return 0;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ saa7134_vbi_fmt(dev,f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
+ struct v4l2_format *f)
+{
+ int err;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ {
+ struct saa7134_format *fmt;
+ enum v4l2_field field;
+ unsigned int maxw, maxh;
+
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ if (NULL == fmt)
+ return -EINVAL;
+
+ field = f->fmt.pix.field;
+ maxw = dev->tvnorm->width;
+ maxh = dev->tvnorm->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.bytesperline =
+ (f->fmt.pix.width * fmt->depth) >> 3;
+ f->fmt.pix.sizeimage =
+ f->fmt.pix.height * f->fmt.pix.bytesperline;
+
+ return 0;
+ }
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ err = verify_preview(dev,&f->fmt.win);
+ if (0 != err)
+ return err;
+ return 0;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ saa7134_vbi_fmt(dev,f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
+ struct v4l2_format *f)
+{
+ unsigned long flags;
+ int err;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ err = saa7134_try_fmt(dev,fh,f);
+ if (0 != err)
+ return err;
+
+ fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ fh->width = f->fmt.pix.width;
+ fh->height = f->fmt.pix.height;
+ fh->cap.field = f->fmt.pix.field;
+ return 0;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ err = verify_preview(dev,&f->fmt.win);
+ if (0 != err)
+ return err;
+
+ down(&dev->lock);
+ fh->win = f->fmt.win;
+ fh->nclips = f->fmt.win.clipcount;
+ if (fh->nclips > 8)
+ fh->nclips = 8;
+ if (copy_from_user(fh->clips,f->fmt.win.clips,
+ sizeof(struct v4l2_clip)*fh->nclips)) {
+ up(&dev->lock);
+ return -EFAULT;
+ }
+
+ if (res_check(fh, RESOURCE_OVERLAY)) {
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev,fh);
+ start_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ }
+ up(&dev->lock);
+ return 0;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ saa7134_vbi_fmt(dev,f);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+int saa7134_common_ioctl(struct saa7134_dev *dev,
+ unsigned int cmd, void *arg)
+{
+ int err;
+
+ switch (cmd) {
+ case VIDIOC_QUERYCTRL:
+ {
+ const struct v4l2_queryctrl *ctrl;
+ struct v4l2_queryctrl *c = arg;
+
+ if ((c->id < V4L2_CID_BASE ||
+ c->id >= V4L2_CID_LASTP1) &&
+ (c->id < V4L2_CID_PRIVATE_BASE ||
+ c->id >= V4L2_CID_PRIVATE_LASTP1))
+ return -EINVAL;
+ ctrl = ctrl_by_id(c->id);
+ *c = (NULL != ctrl) ? *ctrl : no_ctrl;
+ return 0;
+ }
+ case VIDIOC_G_CTRL:
+ return get_control(dev,arg);
+ case VIDIOC_S_CTRL:
+ {
+ down(&dev->lock);
+ err = set_control(dev,NULL,arg);
+ up(&dev->lock);
+ return err;
+ }
+ /* --- input switching --------------------------------------- */
+ case VIDIOC_ENUMINPUT:
+ {
+ struct v4l2_input *i = arg;
+ unsigned int n;
+
+ n = i->index;
+ if (n >= SAA7134_INPUT_MAX)
+ return -EINVAL;
+ if (NULL == card_in(dev,i->index).name)
+ return -EINVAL;
+ memset(i,0,sizeof(*i));
+ i->index = n;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(i->name,card_in(dev,n).name);
+ if (card_in(dev,n).tv)
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ i->audioset = 1;
+ if (n == dev->ctl_input) {
+ int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
+ int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
+
+ if (0 != (v1 & 0x40))
+ i->status |= V4L2_IN_ST_NO_H_LOCK;
+ if (0 != (v2 & 0x40))
+ i->status |= V4L2_IN_ST_NO_SYNC;
+ if (0 != (v2 & 0x0e))
+ i->status |= V4L2_IN_ST_MACROVISION;
+ }
+ for (n = 0; n < TVNORMS; n++)
+ i->std |= tvnorms[n].id;
+ return 0;
+ }
+ case VIDIOC_G_INPUT:
+ {
+ int *i = arg;
+ *i = dev->ctl_input;
+ return 0;
+ }
+ case VIDIOC_S_INPUT:
+ {
+ int *i = arg;
+
+ if (*i < 0 || *i >= SAA7134_INPUT_MAX)
+ return -EINVAL;
+ if (NULL == card_in(dev,*i).name)
+ return -EINVAL;
+ down(&dev->lock);
+ video_mux(dev,*i);
+ up(&dev->lock);
+ return 0;
+ }
+
+ }
+ return 0;
+}
+
+/*
+ * This function is _not_ called directly, but from
+ * video_generic_ioctl (and maybe others). userspace
+ * copying is done already, arg is a kernel pointer.
+ */
+static int video_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+ unsigned long flags;
+ int err;
+
+ if (video_debug > 1)
+ saa7134_print_ioctl(dev->name,cmd);
+
+#ifdef VIDIOC_G_PRIORITY
+ switch (cmd) {
+ case VIDIOC_S_CTRL:
+ case VIDIOC_S_STD:
+ case VIDIOC_S_INPUT:
+ case VIDIOC_S_TUNER:
+ case VIDIOC_S_FREQUENCY:
+ err = v4l2_prio_check(&dev->prio,&fh->prio);
+ if (0 != err)
+ return err;
+ }
+#endif
+
+ switch (cmd) {
+ case VIDIOC_QUERYCAP:
+ {
+ struct v4l2_capability *cap = arg;
+
+ memset(cap,0,sizeof(*cap));
+ strcpy(cap->driver, "saa7134");
+ strlcpy(cap->card, saa7134_boards[dev->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
+ cap->version = SAA7134_VERSION_CODE;
+ cap->capabilities =
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_VIDEO_OVERLAY |
+ V4L2_CAP_VBI_CAPTURE |
+ V4L2_CAP_TUNER |
+ V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING;
+ return 0;
+ }
+
+ /* --- tv standards ------------------------------------------ */
+ case VIDIOC_ENUMSTD:
+ {
+ struct v4l2_standard *e = arg;
+ unsigned int i;
+
+ i = e->index;
+ if (i >= TVNORMS)
+ return -EINVAL;
+ err = v4l2_video_std_construct(e, tvnorms[e->index].id,
+ tvnorms[e->index].name);
+ e->index = i;
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ case VIDIOC_G_STD:
+ {
+ v4l2_std_id *id = arg;
+
+ *id = dev->tvnorm->id;
+ return 0;
+ }
+ case VIDIOC_S_STD:
+ {
+ v4l2_std_id *id = arg;
+ unsigned int i;
+
+ for(i = 0; i < TVNORMS; i++)
+ if (*id & tvnorms[i].id)
+ break;
+ if (i == TVNORMS)
+ return -EINVAL;
+
+ down(&dev->lock);
+ if (res_check(fh, RESOURCE_OVERLAY)) {
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev,fh);
+ set_tvnorm(dev,&tvnorms[i]);
+ start_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ } else
+ set_tvnorm(dev,&tvnorms[i]);
+ up(&dev->lock);
+ return 0;
+ }
+
+ /* --- tuner ioctls ------------------------------------------ */
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ int n;
+
+ if (0 != t->index)
+ return -EINVAL;
+ memset(t,0,sizeof(*t));
+ for (n = 0; n < SAA7134_INPUT_MAX; n++)
+ if (card_in(dev,n).tv)
+ break;
+ if (NULL != card_in(dev,n).name) {
+ strcpy(t->name, "Television");
+ t->capability = V4L2_TUNER_CAP_NORM |
+ V4L2_TUNER_CAP_STEREO |
+ V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2;
+ t->rangehigh = 0xffffffffUL;
+ t->rxsubchans = saa7134_tvaudio_getstereo(dev);
+ t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
+ }
+ if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
+ t->signal = 0xffff;
+ return 0;
+ }
+ case VIDIOC_S_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ int rx,mode;
+
+ mode = dev->thread.mode;
+ if (UNSET == mode) {
+ rx = saa7134_tvaudio_getstereo(dev);
+ mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
+ }
+ if (mode != t->audmode) {
+ dev->thread.mode = t->audmode;
+ }
+ return 0;
+ }
+ case VIDIOC_G_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ memset(f,0,sizeof(*f));
+ f->type = V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->ctl_freq;
+ return 0;
+ }
+ case VIDIOC_S_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ if (0 != f->tuner)
+ return -EINVAL;
+ if (V4L2_TUNER_ANALOG_TV != f->type)
+ return -EINVAL;
+ down(&dev->lock);
+ dev->ctl_freq = f->frequency;
+ saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
+ saa7134_tvaudio_do_scan(dev);
+ up(&dev->lock);
+ return 0;
+ }
+
+ /* --- control ioctls ---------------------------------------- */
+ case VIDIOC_ENUMINPUT:
+ case VIDIOC_G_INPUT:
+ case VIDIOC_S_INPUT:
+ case VIDIOC_QUERYCTRL:
+ case VIDIOC_G_CTRL:
+ case VIDIOC_S_CTRL:
+ return saa7134_common_ioctl(dev, cmd, arg);
+
+ case VIDIOC_G_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+
+ memset(a,0,sizeof(*a));
+ strcpy(a->name,"audio");
+ return 0;
+ }
+ case VIDIOC_S_AUDIO:
+ return 0;
+ case VIDIOC_G_PARM:
+ {
+ struct v4l2_captureparm *parm = arg;
+ memset(parm,0,sizeof(*parm));
+ return 0;
+ }
+
+#ifdef VIDIOC_G_PRIORITY
+ case VIDIOC_G_PRIORITY:
+ {
+ enum v4l2_priority *p = arg;
+
+ *p = v4l2_prio_max(&dev->prio);
+ return 0;
+ }
+ case VIDIOC_S_PRIORITY:
+ {
+ enum v4l2_priority *prio = arg;
+
+ return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
+ }
+#endif
+
+ /* --- preview ioctls ---------------------------------------- */
+ case VIDIOC_ENUM_FMT:
+ {
+ struct v4l2_fmtdesc *f = arg;
+ enum v4l2_buf_type type;
+ unsigned int index;
+
+ index = f->index;
+ type = f->type;
+ switch (type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ if (index >= FORMATS)
+ return -EINVAL;
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
+ formats[index].planar)
+ return -EINVAL;
+ memset(f,0,sizeof(*f));
+ f->index = index;
+ f->type = type;
+ strlcpy(f->description,formats[index].name,sizeof(f->description));
+ f->pixelformat = formats[index].fourcc;
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (0 != index)
+ return -EINVAL;
+ memset(f,0,sizeof(*f));
+ f->index = index;
+ f->type = type;
+ f->pixelformat = V4L2_PIX_FMT_GREY;
+ strcpy(f->description,"vbi data");
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+ }
+ case VIDIOC_G_FBUF:
+ {
+ struct v4l2_framebuffer *fb = arg;
+
+ *fb = dev->ovbuf;
+ fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+ return 0;
+ }
+ case VIDIOC_S_FBUF:
+ {
+ struct v4l2_framebuffer *fb = arg;
+ struct saa7134_format *fmt;
+
+ if(!capable(CAP_SYS_ADMIN) &&
+ !capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
+ /* check args */
+ fmt = format_by_fourcc(fb->fmt.pixelformat);
+ if (NULL == fmt)
+ return -EINVAL;
+
+ /* ok, accept it */
+ dev->ovbuf = *fb;
+ dev->ovfmt = fmt;
+ if (0 == dev->ovbuf.fmt.bytesperline)
+ dev->ovbuf.fmt.bytesperline =
+ dev->ovbuf.fmt.width*fmt->depth/8;
+ return 0;
+ }
+ case VIDIOC_OVERLAY:
+ {
+ int *on = arg;
+
+ if (*on) {
+ if (!res_get(dev,fh,RESOURCE_OVERLAY))
+ return -EBUSY;
+ spin_lock_irqsave(&dev->slock,flags);
+ start_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ }
+ if (!*on) {
+ if (!res_check(fh, RESOURCE_OVERLAY))
+ return -EINVAL;
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev,fh);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ res_free(dev,fh,RESOURCE_OVERLAY);
+ }
+ return 0;
+ }
+
+ /* --- capture ioctls ---------------------------------------- */
+ case VIDIOC_G_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return saa7134_g_fmt(dev,fh,f);
+ }
+ case VIDIOC_S_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return saa7134_s_fmt(dev,fh,f);
+ }
+ case VIDIOC_TRY_FMT:
+ {
+ struct v4l2_format *f = arg;
+ return saa7134_try_fmt(dev,fh,f);
+ }
+
+ case VIDIOCGMBUF:
+ {
+ struct video_mbuf *mbuf = arg;
+ struct videobuf_queue *q;
+ struct v4l2_requestbuffers req;
+ unsigned int i;
+
+ q = saa7134_queue(fh);
+ memset(&req,0,sizeof(req));
+ req.type = q->type;
+ req.count = gbuffers;
+ req.memory = V4L2_MEMORY_MMAP;
+ err = videobuf_reqbufs(file,q,&req);
+ if (err < 0)
+ return err;
+ memset(mbuf,0,sizeof(*mbuf));
+ mbuf->frames = req.count;
+ mbuf->size = 0;
+ for (i = 0; i < mbuf->frames; i++) {
+ mbuf->offsets[i] = q->bufs[i]->boff;
+ mbuf->size += q->bufs[i]->bsize;
+ }
+ return 0;
+ }
+ case VIDIOC_REQBUFS:
+ return videobuf_reqbufs(file,saa7134_queue(fh),arg);
+
+ case VIDIOC_QUERYBUF:
+ return videobuf_querybuf(saa7134_queue(fh),arg);
+
+ case VIDIOC_QBUF:
+ return videobuf_qbuf(file,saa7134_queue(fh),arg);
+
+ case VIDIOC_DQBUF:
+ return videobuf_dqbuf(file,saa7134_queue(fh),arg);
+
+ case VIDIOC_STREAMON:
+ {
+ int res = saa7134_resource(fh);
+
+ if (!res_get(dev,fh,res))
+ return -EBUSY;
+ return videobuf_streamon(file,saa7134_queue(fh));
+ }
+ case VIDIOC_STREAMOFF:
+ {
+ int res = saa7134_resource(fh);
+
+ err = videobuf_streamoff(file,saa7134_queue(fh));
+ if (err < 0)
+ return err;
+ res_free(dev,fh,res);
+ return 0;
+ }
+
+ default:
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ video_do_ioctl);
+ }
+ return 0;
+}
+
+static int video_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
+}
+
+static int radio_do_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct saa7134_fh *fh = file->private_data;
+ struct saa7134_dev *dev = fh->dev;
+
+ if (video_debug > 1)
+ saa7134_print_ioctl(dev->name,cmd);
+ switch (cmd) {
+ case VIDIOC_QUERYCAP:
+ {
+ struct v4l2_capability *cap = arg;
+
+ memset(cap,0,sizeof(*cap));
+ strcpy(cap->driver, "saa7134");
+ strlcpy(cap->card, saa7134_boards[dev->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
+ cap->version = SAA7134_VERSION_CODE;
+ cap->capabilities = V4L2_CAP_TUNER;
+ return 0;
+ }
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ struct video_tuner vt;
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ memset(t,0,sizeof(*t));
+ strcpy(t->name, "Radio");
+ t->rangelow = (int)(65*16);
+ t->rangehigh = (int)(108*16);
+
+ memset(&vt,0,sizeof(vt));
+ saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
+ t->signal = vt.signal;
+ return 0;
+ }
+ case VIDIOC_ENUMINPUT:
+ {
+ struct v4l2_input *i = arg;
+
+ if (i->index != 0)
+ return -EINVAL;
+ strcpy(i->name,"Radio");
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ return 0;
+ }
+ case VIDIOC_G_INPUT:
+ {
+ int *i = arg;
+ *i = 0;
+ return 0;
+ }
+ case VIDIOC_G_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+
+ memset(a,0,sizeof(*a));
+ strcpy(a->name,"Radio");
+ return 0;
+ }
+ case VIDIOC_G_STD:
+ {
+ v4l2_std_id *id = arg;
+ *id = 0;
+ return 0;
+ }
+ case VIDIOC_S_AUDIO:
+ case VIDIOC_S_TUNER:
+ case VIDIOC_S_INPUT:
+ case VIDIOC_S_STD:
+ return 0;
+
+ case VIDIOC_QUERYCTRL:
+ {
+ const struct v4l2_queryctrl *ctrl;
+ struct v4l2_queryctrl *c = arg;
+
+ if (c->id < V4L2_CID_BASE ||
+ c->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+ if (c->id == V4L2_CID_AUDIO_MUTE) {
+ ctrl = ctrl_by_id(c->id);
+ *c = *ctrl;
+ } else
+ *c = no_ctrl;
+ return 0;
+ }
+
+ case VIDIOC_G_CTRL:
+ case VIDIOC_S_CTRL:
+ case VIDIOC_G_FREQUENCY:
+ case VIDIOC_S_FREQUENCY:
+ return video_do_ioctl(inode,file,cmd,arg);
+
+ default:
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ radio_do_ioctl);
+ }
+ return 0;
+}
+
+static int radio_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
+}
+
+static struct file_operations video_fops =
+{
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .read = video_read,
+ .poll = video_poll,
+ .mmap = video_mmap,
+ .ioctl = video_ioctl,
+ .llseek = no_llseek,
+};
+
+static struct file_operations radio_fops =
+{
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .ioctl = radio_ioctl,
+ .llseek = no_llseek,
+};
+
+/* ----------------------------------------------------------- */
+/* exported stuff */
+
+struct video_device saa7134_video_template =
+{
+ .name = "saa7134-video",
+ .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
+ VID_TYPE_CLIPPING|VID_TYPE_SCALES,
+ .hardware = 0,
+ .fops = &video_fops,
+ .minor = -1,
+};
+
+struct video_device saa7134_vbi_template =
+{
+ .name = "saa7134-vbi",
+ .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
+ .hardware = 0,
+ .fops = &video_fops,
+ .minor = -1,
+};
+
+struct video_device saa7134_radio_template =
+{
+ .name = "saa7134-radio",
+ .type = VID_TYPE_TUNER,
+ .hardware = 0,
+ .fops = &radio_fops,
+ .minor = -1,
+};
+
+int saa7134_video_init1(struct saa7134_dev *dev)
+{
+ /* sanitycheck insmod options */
+ if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
+ gbuffers = 2;
+ if (gbufsize < 0 || gbufsize > gbufsize_max)
+ gbufsize = gbufsize_max;
+ gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
+
+ /* put some sensible defaults into the data structures ... */
+ dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
+ dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
+ dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
+ dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
+ dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
+
+ dev->ctl_invert = 0;
+ dev->ctl_mute = 1;
+ dev->automute = 0;
+
+ INIT_LIST_HEAD(&dev->video_q.queue);
+ init_timer(&dev->video_q.timeout);
+ dev->video_q.timeout.function = saa7134_buffer_timeout;
+ dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
+ dev->video_q.dev = dev;
+
+ if (saa7134_boards[dev->board].video_out) {
+ /* enable video output */
+ int vo = saa7134_boards[dev->board].video_out;
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
+ saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
+ }
+
+ return 0;
+}
+
+int saa7134_video_init2(struct saa7134_dev *dev)
+{
+ /* init video hw */
+ set_tvnorm(dev,&tvnorms[0]);
+ video_mux(dev,0);
+ saa7134_tvaudio_setmute(dev);
+ saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
+ return 0;
+}
+
+int saa7134_video_fini(struct saa7134_dev *dev)
+{
+ /* nothing */
+ return 0;
+}
+
+void saa7134_irq_video_intl(struct saa7134_dev *dev)
+{
+ static const char *st[] = {
+ "no signal", "found NTSC", "found PAL", "found SECAM" };
+ int norm;
+
+ norm = saa_readb(SAA7134_STATUS_VIDEO1) & 0x03;
+ dprintk("DCSDT: %s\n",st[norm]);
+
+ if (0 != norm) {
+ /* wake up tvaudio audio carrier scan thread */
+ saa7134_tvaudio_do_scan(dev);
+ } else {
+ /* no video signal -> mute audio */
+ dev->automute = 1;
+ saa7134_tvaudio_setmute(dev);
+ }
+}
+
+void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
+{
+ enum v4l2_field field;
+
+ spin_lock(&dev->slock);
+ if (dev->video_q.curr) {
+ dev->video_fieldcount++;
+ field = dev->video_q.curr->vb.field;
+ if (V4L2_FIELD_HAS_BOTH(field)) {
+ /* make sure we have seen both fields */
+ if ((status & 0x10) == 0x00) {
+ dev->video_q.curr->top_seen = 1;
+ goto done;
+ }
+ if (!dev->video_q.curr->top_seen)
+ goto done;
+ } else if (field == V4L2_FIELD_TOP) {
+ if ((status & 0x10) != 0x10)
+ goto done;
+ } else if (field == V4L2_FIELD_BOTTOM) {
+ if ((status & 0x10) != 0x00)
+ goto done;
+ }
+ dev->video_q.curr->vb.field_count = dev->video_fieldcount;
+ saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
+ }
+ saa7134_buffer_next(dev,&dev->video_q);
+
+ done:
+ spin_unlock(&dev->slock);
+}
+
+/* ----------------------------------------------------------- */
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 19:07:50 +0000