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Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
-rw-r--r--drivers/media/pci/saa7134/saa7134-video.c2335
1 files changed, 2335 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
new file mode 100644
index 000000000..079219288
--- /dev/null
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -0,0 +1,2335 @@
+/*
+ *
+ * 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.
+ */
+
+#include "saa7134.h"
+#include "saa7134-reg.h"
+
+#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 <media/v4l2-common.h>
+#include <media/v4l2-event.h>
+#include <media/i2c/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 video_dbg(fmt, arg...) do { \
+ if (video_debug & 0x04) \
+ printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
+ } while (0)
+
+/* ------------------------------------------------------------------ */
+/* 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 = 23, \
+ .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)
+
+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;
+}
+
+/* ------------------------------------------------------------------ */
+
+static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
+{
+ video_dbg("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)
+{
+ video_dbg("video input = %d [%s]\n",
+ input, saa7134_input_name[card_in(dev, input).type]);
+ 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, chroma_ctrl1, 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;
+ chroma_ctrl1 = norm->chroma_ctrl1;
+
+ if (mux > 5)
+ luma_control |= 0x80; /* svideo */
+ if (noninterlaced || dev->nosignal)
+ sync_control |= 0x20;
+
+ /* switch on auto standard detection */
+ sync_control |= SAA7134_SYNC_CTRL_AUFD;
+ chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
+ chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
+ luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
+
+ /* 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, 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);
+
+ saa_call_all(dev, video, 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, video, 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 */
+ video_dbg("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;
+ video_dbg("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;
+ video_dbg("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);
+ video_dbg("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, bool try)
+{
+ enum v4l2_field field;
+ int maxw, maxh;
+
+ if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
+ return -EINVAL;
+ if (win->w.width < 48)
+ win->w.width = 48;
+ if (win->w.height < 32)
+ win->w.height = 32;
+ if (win->clipcount > 8)
+ win->clipcount = 8;
+
+ win->chromakey = 0;
+ win->global_alpha = 0;
+ 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;
+ default:
+ field = V4L2_FIELD_INTERLACED;
+ break;
+ }
+
+ 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)
+{
+ unsigned long base,control,bpl;
+ int err;
+
+ err = verify_preview(dev, &dev->win, false);
+ if (0 != err)
+ return err;
+
+ dev->ovfield = dev->win.field;
+ video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
+ dev->win.w.width, dev->win.w.height,
+ dev->win.w.left, dev->win.w.top,
+ dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
+
+ /* setup window + clipping */
+ set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
+ V4L2_FIELD_HAS_BOTH(dev->ovfield));
+ setup_clipping(dev, dev->clips, dev->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 * dev->win.w.top;
+ base += dev->ovfmt->depth/8 * dev->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)
+{
+ dev->ovenable = 0;
+ saa7134_set_dmabits(dev);
+ return 0;
+}
+
+/*
+ * Media Controller helper functions
+ */
+
+static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER
+ struct media_device *mdev = dev->media_dev;
+ struct media_entity *source;
+ struct media_link *link, *found_link = NULL;
+ int ret, active_links = 0;
+
+ if (!mdev || !dev->decoder)
+ return 0;
+
+ /*
+ * This will find the tuner that is connected into the decoder.
+ * Technically, this is not 100% correct, as the device may be
+ * using an analog input instead of the tuner. However, as we can't
+ * do DVB streaming while the DMA engine is being used for V4L2,
+ * this should be enough for the actual needs.
+ */
+ list_for_each_entry(link, &dev->decoder->links, list) {
+ if (link->sink->entity == dev->decoder) {
+ found_link = link;
+ if (link->flags & MEDIA_LNK_FL_ENABLED)
+ active_links++;
+ break;
+ }
+ }
+
+ if (active_links == 1 || !found_link)
+ return 0;
+
+ source = found_link->source->entity;
+ list_for_each_entry(link, &source->links, list) {
+ struct media_entity *sink;
+ int flags = 0;
+
+ sink = link->sink->entity;
+
+ if (sink == dev->decoder)
+ flags = MEDIA_LNK_FL_ENABLED;
+
+ ret = media_entity_setup_link(link, flags);
+ if (ret) {
+ pr_err("Couldn't change link %s->%s to %s. Error %d\n",
+ source->name, sink->name,
+ flags ? "enabled" : "disabled",
+ ret);
+ return ret;
+ }
+ }
+#endif
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static int buffer_activate(struct saa7134_dev *dev,
+ struct saa7134_buf *buf,
+ struct saa7134_buf *next)
+{
+ struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
+ unsigned long base,control,bpl;
+ unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
+
+ video_dbg("buffer_activate buf=%p\n", buf);
+ buf->top_seen = 0;
+
+ set_size(dev, TASK_A, dev->width, dev->height,
+ V4L2_FIELD_HAS_BOTH(dev->field));
+ if (dev->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, dev->fmt->pm);
+
+ /* DMA: setup channel 0 (= Video Task A0) */
+ base = saa7134_buffer_base(buf);
+ if (dev->fmt->planar)
+ bpl = dev->width;
+ else
+ bpl = (dev->width * dev->fmt->depth) / 8;
+ control = SAA7134_RS_CONTROL_BURST_16 |
+ SAA7134_RS_CONTROL_ME |
+ (dmaq->pt.dma >> 12);
+ if (dev->fmt->bswap)
+ control |= SAA7134_RS_CONTROL_BSWAP;
+ if (dev->fmt->wswap)
+ control |= SAA7134_RS_CONTROL_WSWAP;
+ if (V4L2_FIELD_HAS_BOTH(dev->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 (dev->fmt->planar) {
+ /* DMA: setup channel 4+5 (= planar task A) */
+ bpl_uv = bpl >> dev->fmt->hshift;
+ lines_uv = dev->height >> dev->fmt->vshift;
+ base2 = base + bpl * dev->height;
+ base3 = base2 + bpl_uv * lines_uv;
+ if (dev->fmt->uvswap)
+ tmp = base2, base2 = base3, base3 = tmp;
+ video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
+ bpl_uv,lines_uv,base2,base3);
+ if (V4L2_FIELD_HAS_BOTH(dev->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(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
+ return 0;
+}
+
+static int buffer_init(struct vb2_buffer *vb2)
+{
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
+ struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
+
+ dmaq->curr = NULL;
+ buf->activate = buffer_activate;
+ return 0;
+}
+
+static int buffer_prepare(struct vb2_buffer *vb2)
+{
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
+ struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
+ unsigned int size;
+
+ if (dma->sgl->offset) {
+ pr_err("The buffer is not page-aligned\n");
+ return -EINVAL;
+ }
+ size = (dev->width * dev->height * dev->fmt->depth) >> 3;
+ if (vb2_plane_size(vb2, 0) < size)
+ return -EINVAL;
+
+ vb2_set_plane_payload(vb2, 0, size);
+ vbuf->field = dev->field;
+
+ return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
+ saa7134_buffer_startpage(buf));
+}
+
+static int queue_setup(struct vb2_queue *q,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], struct device *alloc_devs[])
+{
+ struct saa7134_dmaqueue *dmaq = q->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ int size = dev->fmt->depth * dev->width * dev->height >> 3;
+
+ if (dev->width < 48 ||
+ dev->height < 32 ||
+ dev->width/4 > dev->crop_current.width ||
+ dev->height/4 > dev->crop_current.height ||
+ dev->width > dev->crop_bounds.width ||
+ dev->height > dev->crop_bounds.height)
+ return -EINVAL;
+
+ *nbuffers = saa7134_buffer_count(size, *nbuffers);
+ *nplanes = 1;
+ sizes[0] = size;
+
+ saa7134_enable_analog_tuner(dev);
+
+ return 0;
+}
+
+/*
+ * move buffer to hardware queue
+ */
+void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
+{
+ struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
+
+ saa7134_buffer_queue(dev, dmaq, buf);
+}
+EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
+
+int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+
+ /*
+ * Planar video capture and TS share the same DMA channel,
+ * so only one can be active at a time.
+ */
+ if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
+ dmaq == &dev->video_q && dev->fmt->planar) {
+ struct saa7134_buf *buf, *tmp;
+
+ list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
+ list_del(&buf->entry);
+ vb2_buffer_done(&buf->vb2.vb2_buf,
+ VB2_BUF_STATE_QUEUED);
+ }
+ if (dmaq->curr) {
+ vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
+ VB2_BUF_STATE_QUEUED);
+ dmaq->curr = NULL;
+ }
+ return -EBUSY;
+ }
+
+ /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
+ * configured conservatively, there's 22 usec of buffering for video.
+ * We therefore request a DMA latency of 20 usec, giving us 2 usec of
+ * margin in case the FIFO is configured differently to the datasheet.
+ * Unfortunately, I lack register-level documentation to check the
+ * Linux FIFO setup and confirm the perfect value.
+ */
+ if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
+ (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
+ pm_qos_add_request(&dev->qos_request,
+ PM_QOS_CPU_DMA_LATENCY, 20);
+ dmaq->seq_nr = 0;
+
+ return 0;
+}
+
+void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
+{
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+
+ saa7134_stop_streaming(dev, dmaq);
+
+ if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
+ (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
+ pm_qos_remove_request(&dev->qos_request);
+}
+
+static const struct vb2_ops vb2_qops = {
+ .queue_setup = queue_setup,
+ .buf_init = buffer_init,
+ .buf_prepare = buffer_prepare,
+ .buf_queue = saa7134_vb2_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = saa7134_vb2_start_streaming,
+ .stop_streaming = saa7134_vb2_stop_streaming,
+};
+
+/* ------------------------------------------------------------------ */
+
+static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
+ unsigned long flags;
+ int restart_overlay = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ dev->ctl_bright = ctrl->val;
+ saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
+ break;
+ case V4L2_CID_HUE:
+ dev->ctl_hue = ctrl->val;
+ saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
+ break;
+ case V4L2_CID_CONTRAST:
+ dev->ctl_contrast = ctrl->val;
+ saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
+ dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
+ break;
+ case V4L2_CID_SATURATION:
+ dev->ctl_saturation = ctrl->val;
+ saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
+ dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
+ break;
+ case V4L2_CID_AUDIO_MUTE:
+ dev->ctl_mute = ctrl->val;
+ saa7134_tvaudio_setmute(dev);
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ dev->ctl_volume = ctrl->val;
+ saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
+ break;
+ case V4L2_CID_PRIVATE_INVERT:
+ dev->ctl_invert = ctrl->val;
+ 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 = ctrl->val;
+ restart_overlay = 1;
+ break;
+ case V4L2_CID_PRIVATE_Y_EVEN:
+ dev->ctl_y_even = ctrl->val;
+ restart_overlay = 1;
+ break;
+ case V4L2_CID_PRIVATE_Y_ODD:
+ dev->ctl_y_odd = ctrl->val;
+ 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 = ctrl->val;
+ 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:
+ return -EINVAL;
+ }
+ if (restart_overlay && dev->overlay_owner) {
+ spin_lock_irqsave(&dev->slock, flags);
+ stop_preview(dev);
+ start_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+ }
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static int video_open(struct file *file)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct saa7134_dev *dev = video_drvdata(file);
+ int ret = v4l2_fh_open(file);
+
+ if (ret < 0)
+ return ret;
+
+ mutex_lock(&dev->lock);
+ if (vdev->vfl_type == VFL_TYPE_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);
+ }
+ mutex_unlock(&dev->lock);
+
+ return 0;
+}
+
+static int video_release(struct file *file)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct v4l2_fh *fh = file->private_data;
+ struct saa6588_command cmd;
+ unsigned long flags;
+
+ mutex_lock(&dev->lock);
+ saa7134_tvaudio_close(dev);
+
+ /* turn off overlay */
+ if (fh == dev->overlay_owner) {
+ spin_lock_irqsave(&dev->slock,flags);
+ stop_preview(dev);
+ spin_unlock_irqrestore(&dev->slock,flags);
+ dev->overlay_owner = NULL;
+ }
+
+ if (vdev->vfl_type == VFL_TYPE_RADIO)
+ v4l2_fh_release(file);
+ else
+ _vb2_fop_release(file, NULL);
+
+ /* 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, tuner, standby);
+ if (vdev->vfl_type == VFL_TYPE_RADIO)
+ saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd);
+ mutex_unlock(&dev->lock);
+
+ return 0;
+}
+
+static ssize_t radio_read(struct file *file, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct saa6588_command cmd;
+
+ cmd.block_count = count/3;
+ cmd.nonblocking = file->f_flags & O_NONBLOCK;
+ cmd.buffer = data;
+ cmd.instance = file;
+ cmd.result = -ENODEV;
+
+ mutex_lock(&dev->lock);
+ saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd);
+ mutex_unlock(&dev->lock);
+
+ return cmd.result;
+}
+
+static __poll_t radio_poll(struct file *file, poll_table *wait)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct saa6588_command cmd;
+ __poll_t rc = v4l2_ctrl_poll(file, wait);
+
+ cmd.instance = file;
+ cmd.event_list = wait;
+ cmd.poll_mask = 0;
+ mutex_lock(&dev->lock);
+ saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd);
+ mutex_unlock(&dev->lock);
+
+ return rc | cmd.poll_mask;
+}
+
+/* ------------------------------------------------------------------ */
+
+static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct saa7134_tvnorm *norm = dev->tvnorm;
+
+ memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
+ 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_dev *dev = video_drvdata(file);
+
+ f->fmt.pix.width = dev->width;
+ f->fmt.pix.height = dev->height;
+ f->fmt.pix.field = dev->field;
+ f->fmt.pix.pixelformat = dev->fmt->fourcc;
+ if (dev->fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * dev->fmt->depth) / 8;
+ f->fmt.pix.sizeimage =
+ (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ return 0;
+}
+
+static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct v4l2_clip __user *clips = f->fmt.win.clips;
+ u32 clipcount = f->fmt.win.clipcount;
+ int err = 0;
+ int i;
+
+ if (saa7134_no_overlay > 0) {
+ pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
+ return -EINVAL;
+ }
+ f->fmt.win = dev->win;
+ f->fmt.win.clips = clips;
+ if (clips == NULL)
+ clipcount = 0;
+ if (dev->nclips < clipcount)
+ clipcount = dev->nclips;
+ f->fmt.win.clipcount = clipcount;
+
+ for (i = 0; !err && i < clipcount; i++) {
+ if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
+ sizeof(struct v4l2_rect)))
+ err = -EFAULT;
+ }
+
+ return err;
+}
+
+static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ 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;
+ default:
+ field = V4L2_FIELD_INTERLACED;
+ break;
+ }
+
+ 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;
+ if (fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fmt->depth) / 8;
+ f->fmt.pix.sizeimage =
+ (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ return 0;
+}
+
+static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (saa7134_no_overlay > 0) {
+ pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
+ return -EINVAL;
+ }
+
+ if (f->fmt.win.clips == NULL)
+ f->fmt.win.clipcount = 0;
+ return verify_preview(dev, &f->fmt.win, true);
+}
+
+static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ int err;
+
+ err = saa7134_try_fmt_vid_cap(file, priv, f);
+ if (0 != err)
+ return err;
+
+ dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ dev->width = f->fmt.pix.width;
+ dev->height = f->fmt.pix.height;
+ dev->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_dev *dev = video_drvdata(file);
+ int err;
+ unsigned long flags;
+
+ if (saa7134_no_overlay > 0) {
+ pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
+ return -EINVAL;
+ }
+ if (f->fmt.win.clips == NULL)
+ f->fmt.win.clipcount = 0;
+ err = verify_preview(dev, &f->fmt.win, true);
+ if (0 != err)
+ return err;
+
+ dev->win = f->fmt.win;
+ dev->nclips = f->fmt.win.clipcount;
+
+ if (copy_from_user(dev->clips, f->fmt.win.clips,
+ sizeof(struct v4l2_clip) * dev->nclips))
+ return -EFAULT;
+
+ if (priv == dev->overlay_owner) {
+ spin_lock_irqsave(&dev->slock, flags);
+ stop_preview(dev);
+ start_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+ }
+
+ return 0;
+}
+
+int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ unsigned int n;
+
+ n = i->index;
+ if (n >= SAA7134_INPUT_MAX)
+ return -EINVAL;
+ if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
+ return -EINVAL;
+ i->index = n;
+ strcpy(i->name, saa7134_input_name[card_in(dev, n).type]);
+ switch (card_in(dev, n).type) {
+ case SAA7134_INPUT_TV:
+ case SAA7134_INPUT_TV_MONO:
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ break;
+ default:
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ break;
+ }
+ 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_SIGNAL;
+ if (0 != (v2 & 0x0e))
+ i->status |= V4L2_IN_ST_MACROVISION;
+ }
+ i->std = SAA7134_NORMS;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_enum_input);
+
+int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ *i = dev->ctl_input;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_g_input);
+
+int saa7134_s_input(struct file *file, void *priv, unsigned int i)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (i >= SAA7134_INPUT_MAX)
+ return -EINVAL;
+ if (card_in(dev, i).type == SAA7134_NO_INPUT)
+ return -EINVAL;
+ video_mux(dev, i);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_s_input);
+
+int saa7134_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct video_device *vdev = video_devdata(file);
+ u32 radio_caps, video_caps, vbi_caps;
+
+ 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->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+ if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
+ cap->device_caps |= V4L2_CAP_TUNER;
+
+ radio_caps = V4L2_CAP_RADIO;
+ if (dev->has_rds)
+ radio_caps |= V4L2_CAP_RDS_CAPTURE;
+
+ video_caps = V4L2_CAP_VIDEO_CAPTURE;
+ if (saa7134_no_overlay <= 0 && !is_empress(file))
+ video_caps |= V4L2_CAP_VIDEO_OVERLAY;
+
+ vbi_caps = V4L2_CAP_VBI_CAPTURE;
+
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_RADIO:
+ cap->device_caps |= radio_caps;
+ break;
+ case VFL_TYPE_GRABBER:
+ cap->device_caps |= video_caps;
+ break;
+ case VFL_TYPE_VBI:
+ cap->device_caps |= vbi_caps;
+ break;
+ default:
+ return -EINVAL;
+ }
+ cap->capabilities = radio_caps | video_caps | vbi_caps |
+ cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ if (vdev->vfl_type == VFL_TYPE_RADIO) {
+ cap->device_caps &= ~V4L2_CAP_STREAMING;
+ if (!dev->has_rds)
+ cap->device_caps &= ~V4L2_CAP_READWRITE;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_querycap);
+
+int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct v4l2_fh *fh = priv;
+ unsigned long flags;
+ unsigned int i;
+ v4l2_std_id fixup;
+
+ if (is_empress(file) && dev->overlay_owner) {
+ /* 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;
+
+ if (!is_empress(file) && fh == dev->overlay_owner) {
+ spin_lock_irqsave(&dev->slock, flags);
+ stop_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+
+ set_tvnorm(dev, &tvnorms[i]);
+
+ spin_lock_irqsave(&dev->slock, flags);
+ start_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+ } else
+ set_tvnorm(dev, &tvnorms[i]);
+
+ saa7134_tvaudio_do_scan(dev);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_s_std);
+
+int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ *id = dev->tvnorm->id;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_g_std);
+
+static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
+{
+ static v4l2_std_id stds[] = {
+ V4L2_STD_UNKNOWN,
+ V4L2_STD_NTSC,
+ V4L2_STD_PAL,
+ V4L2_STD_SECAM };
+
+ v4l2_std_id result = 0;
+
+ u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
+ u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
+
+ if (!(st2 & 0x1)) /* RDCAP == 0 */
+ result = V4L2_STD_UNKNOWN;
+ else
+ result = stds[st1 & 0x03];
+
+ return result;
+}
+
+int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ *std &= saa7134_read_std(dev);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_querystd);
+
+static int saa7134_cropcap(struct file *file, void *priv,
+ struct v4l2_cropcap *cap)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ return -EINVAL;
+ 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_selection(struct file *file, void *f, struct v4l2_selection *sel)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ return -EINVAL;
+
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP:
+ sel->r = dev->crop_current;
+ break;
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ sel->r = dev->crop_defrect;
+ break;
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r = dev->crop_bounds;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ struct v4l2_rect *b = &dev->crop_bounds;
+ struct v4l2_rect *c = &dev->crop_current;
+
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ return -EINVAL;
+
+ if (sel->target != V4L2_SEL_TGT_CROP)
+ return -EINVAL;
+
+ if (dev->overlay_owner)
+ return -EBUSY;
+ if (vb2_is_streaming(&dev->video_vbq))
+ return -EBUSY;
+
+ *c = sel->r;
+ if (c->top < b->top)
+ c->top = b->top;
+ if (c->top > b->top + b->height)
+ c->top = b->top + b->height;
+ if (c->height > b->top - c->top + b->height)
+ c->height = b->top - c->top + b->height;
+
+ if (c->left < b->left)
+ c->left = b->left;
+ if (c->left > b->left + b->width)
+ c->left = b->left + b->width;
+ if (c->width > b->left - c->left + b->width)
+ c->width = b->left - c->left + b->width;
+ sel->r = *c;
+ return 0;
+}
+
+int saa7134_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ 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).type == SAA7134_INPUT_TV ||
+ card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
+ break;
+ }
+ if (n == SAA7134_INPUT_MAX)
+ return -EINVAL;
+ if (card_in(dev, n).type != SAA7134_NO_INPUT) {
+ strcpy(t->name, "Television");
+ t->type = V4L2_TUNER_ANALOG_TV;
+ saa_call_all(dev, tuner, g_tuner, t);
+ t->capability = V4L2_TUNER_CAP_NORM |
+ V4L2_TUNER_CAP_STEREO |
+ V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2;
+ 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;
+}
+EXPORT_SYMBOL_GPL(saa7134_g_tuner);
+
+int saa7134_s_tuner(struct file *file, void *priv,
+ const struct v4l2_tuner *t)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ int rx, mode;
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ 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;
+}
+EXPORT_SYMBOL_GPL(saa7134_s_tuner);
+
+int saa7134_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (0 != f->tuner)
+ return -EINVAL;
+
+ saa_call_all(dev, tuner, g_frequency, f);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_g_frequency);
+
+int saa7134_s_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *f)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (0 != f->tuner)
+ return -EINVAL;
+
+ saa_call_all(dev, tuner, s_frequency, f);
+
+ saa7134_tvaudio_do_scan(dev);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_s_frequency);
+
+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) {
+ pr_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_dev *dev = video_drvdata(file);
+
+ *fb = dev->ovbuf;
+ fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+
+ return 0;
+}
+
+static int saa7134_s_fbuf(struct file *file, void *f,
+ const struct v4l2_framebuffer *fb)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ 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 *priv, unsigned int on)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+ unsigned long flags;
+
+ if (on) {
+ if (saa7134_no_overlay > 0) {
+ video_dbg("no_overlay\n");
+ return -EINVAL;
+ }
+
+ if (dev->overlay_owner && priv != dev->overlay_owner)
+ return -EBUSY;
+ dev->overlay_owner = priv;
+ spin_lock_irqsave(&dev->slock, flags);
+ start_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+ }
+ if (!on) {
+ if (priv != dev->overlay_owner)
+ return -EINVAL;
+ spin_lock_irqsave(&dev->slock, flags);
+ stop_preview(dev);
+ spin_unlock_irqrestore(&dev->slock, flags);
+ dev->overlay_owner = NULL;
+ }
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int vidioc_g_register (struct file *file, void *priv,
+ struct v4l2_dbg_register *reg)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ reg->val = saa_readb(reg->reg & 0xffffff);
+ reg->size = 1;
+ return 0;
+}
+
+static int vidioc_s_register (struct file *file, void *priv,
+ const struct v4l2_dbg_register *reg)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ saa_writeb(reg->reg & 0xffffff, reg->val);
+ return 0;
+}
+#endif
+
+static int radio_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ strcpy(t->name, "Radio");
+
+ saa_call_all(dev, tuner, g_tuner, t);
+ t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
+ 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,
+ const struct v4l2_tuner *t)
+{
+ struct saa7134_dev *dev = video_drvdata(file);
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ saa_call_all(dev, tuner, s_tuner, t);
+ return 0;
+}
+
+static const struct v4l2_file_operations video_fops =
+{
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .release = video_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
+ .unlocked_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_cropcap = saa7134_cropcap,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_expbuf = vb2_ioctl_expbuf,
+ .vidioc_s_std = saa7134_s_std,
+ .vidioc_g_std = saa7134_g_std,
+ .vidioc_querystd = saa7134_querystd,
+ .vidioc_enum_input = saa7134_enum_input,
+ .vidioc_g_input = saa7134_g_input,
+ .vidioc_s_input = saa7134_s_input,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+ .vidioc_g_tuner = saa7134_g_tuner,
+ .vidioc_s_tuner = saa7134_s_tuner,
+ .vidioc_g_selection = saa7134_g_selection,
+ .vidioc_s_selection = saa7134_s_selection,
+ .vidioc_g_fbuf = saa7134_g_fbuf,
+ .vidioc_s_fbuf = saa7134_s_fbuf,
+ .vidioc_overlay = saa7134_overlay,
+ .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
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static const struct v4l2_file_operations radio_fops = {
+ .owner = THIS_MODULE,
+ .open = video_open,
+ .read = radio_read,
+ .release = video_release,
+ .unlocked_ioctl = video_ioctl2,
+ .poll = radio_poll,
+};
+
+static const struct v4l2_ioctl_ops radio_ioctl_ops = {
+ .vidioc_querycap = saa7134_querycap,
+ .vidioc_g_tuner = radio_g_tuner,
+ .vidioc_s_tuner = radio_s_tuner,
+ .vidioc_g_frequency = saa7134_g_frequency,
+ .vidioc_s_frequency = saa7134_s_frequency,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+/* ----------------------------------------------------------- */
+/* exported stuff */
+
+struct video_device saa7134_video_template = {
+ .name = "saa7134-video",
+ .fops = &video_fops,
+ .ioctl_ops = &video_ioctl_ops,
+ .tvnorms = SAA7134_NORMS,
+};
+
+struct video_device saa7134_radio_template = {
+ .name = "saa7134-radio",
+ .fops = &radio_fops,
+ .ioctl_ops = &radio_ioctl_ops,
+};
+
+static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
+ .s_ctrl = saa7134_s_ctrl,
+};
+
+static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
+ .ops = &saa7134_ctrl_ops,
+ .id = V4L2_CID_PRIVATE_INVERT,
+ .name = "Invert",
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .min = 0,
+ .max = 1,
+ .step = 1,
+};
+
+static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
+ .ops = &saa7134_ctrl_ops,
+ .id = V4L2_CID_PRIVATE_Y_ODD,
+ .name = "Y Offset Odd Field",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = 0,
+ .max = 128,
+ .step = 1,
+};
+
+static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
+ .ops = &saa7134_ctrl_ops,
+ .id = V4L2_CID_PRIVATE_Y_EVEN,
+ .name = "Y Offset Even Field",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = 0,
+ .max = 128,
+ .step = 1,
+};
+
+static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
+ .ops = &saa7134_ctrl_ops,
+ .id = V4L2_CID_PRIVATE_AUTOMUTE,
+ .name = "Automute",
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .min = 0,
+ .max = 1,
+ .step = 1,
+ .def = 1,
+};
+
+int saa7134_video_init1(struct saa7134_dev *dev)
+{
+ struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
+ struct vb2_queue *q;
+ int ret;
+
+ /* sanitycheck insmod options */
+ if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
+ gbuffers = 2;
+ if (gbufsize > gbufsize_max)
+ gbufsize = gbufsize_max;
+ gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
+
+ v4l2_ctrl_handler_init(hdl, 11);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 127, 1, 68);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
+ V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
+ v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
+ v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
+ v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
+ v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
+ if (hdl->error)
+ return hdl->error;
+ if (card_has_radio(dev)) {
+ hdl = &dev->radio_ctrl_handler;
+ v4l2_ctrl_handler_init(hdl, 2);
+ v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
+ v4l2_ctrl_radio_filter);
+ if (hdl->error)
+ return hdl->error;
+ }
+ dev->ctl_mute = 1;
+
+ if (dev->tda9887_conf && saa7134_ctrl_automute.def)
+ dev->tda9887_conf |= TDA9887_AUTOMUTE;
+ dev->automute = 0;
+
+ INIT_LIST_HEAD(&dev->video_q.queue);
+ timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
+ dev->video_q.dev = dev;
+ dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
+ dev->width = 720;
+ dev->height = 576;
+ dev->field = V4L2_FIELD_INTERLACED;
+ dev->win.w.width = dev->width;
+ dev->win.w.height = dev->height;
+ dev->win.field = V4L2_FIELD_INTERLACED;
+ dev->ovbuf.fmt.width = dev->width;
+ dev->ovbuf.fmt.height = dev->height;
+ dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
+ dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ if (saa7134_boards[dev->board].video_out)
+ saa7134_videoport_init(dev);
+
+ q = &dev->video_vbq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ /*
+ * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
+ * engine cannot handle transfers that do not start at the beginning
+ * of a page. A user-provided pointer can start anywhere in a page, so
+ * USERPTR support is a no-go unless the application knows about these
+ * limitations and has special support for this.
+ */
+ q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
+ if (saa7134_userptr)
+ q->io_modes |= VB2_USERPTR;
+ q->drv_priv = &dev->video_q;
+ q->ops = &vb2_qops;
+ q->gfp_flags = GFP_DMA32;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ q->dev = &dev->pci->dev;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
+ saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
+
+ q = &dev->vbi_vbq;
+ q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ /* Don't add VB2_USERPTR, see comment above */
+ q->io_modes = VB2_MMAP | VB2_READ;
+ if (saa7134_userptr)
+ q->io_modes |= VB2_USERPTR;
+ q->drv_priv = &dev->vbi_q;
+ q->ops = &saa7134_vbi_qops;
+ q->gfp_flags = GFP_DMA32;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ q->dev = &dev->pci->dev;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
+ saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
+
+ return 0;
+}
+
+void saa7134_video_fini(struct saa7134_dev *dev)
+{
+ /* free stuff */
+ vb2_queue_release(&dev->video_vbq);
+ saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
+ vb2_queue_release(&dev->vbi_vbq);
+ saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
+ v4l2_ctrl_handler_free(&dev->ctrl_handler);
+ if (card_has_radio(dev))
+ v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
+}
+
+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);
+ v4l2_ctrl_handler_setup(&dev->ctrl_handler);
+ 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);
+ video_dbg("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) {
+ field = dev->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;
+ }
+ saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
+ }
+ saa7134_buffer_next(dev, &dev->video_q);
+
+ done:
+ spin_unlock(&dev->slock);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 13:35:28 +0000