Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Corentin Labbe | 5230 | 97.07% | 18 | 72.00% |
Hans Verkuil | 101 | 1.87% | 3 | 12.00% |
Mauro Carvalho Chehab | 52 | 0.97% | 1 | 4.00% |
Benjamin Gaignard | 3 | 0.06% | 1 | 4.00% |
Zheng Yongjun | 1 | 0.02% | 1 | 4.00% |
Colin Ian King | 1 | 0.02% | 1 | 4.00% |
Total | 5388 | 25 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Zoran zr36057/zr36067 PCI controller driver, for the * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux * Media Labs LML33/LML33R10. * * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> * * Changes for BUZ by Wolfgang Scherr <scherr@net4you.net> * * Changes for DC10/DC30 by Laurent Pinchart <laurent.pinchart@skynet.be> * * Changes for LML33R10 by Maxim Yevtyushkin <max@linuxmedialabs.com> * * Changes for videodev2/v4l2 by Ronald Bultje <rbultje@ronald.bitfreak.net> * * Based on * * Miro DC10 driver * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> * * Iomega Buz driver version 1.0 * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> * * buz.0.0.3 * Copyright (C) 1998 Dave Perks <dperks@ibm.net> * * bttv - Bt848 frame grabber driver * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) * & Marcus Metzler (mocm@thp.uni-koeln.de) */ #include <linux/init.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/pci.h> #include <linux/wait.h> #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/spinlock.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include "videocodec.h" #include <linux/io.h> #include <linux/uaccess.h> #include <linux/mutex.h> #include "zoran.h" #include "zoran_device.h" #include "zoran_card.h" const struct zoran_format zoran_formats[] = { { .name = "15-bit RGB LE", .fourcc = V4L2_PIX_FMT_RGB555, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 15, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB555 | ZR36057_VFESPFR_ERR_DIF | ZR36057_VFESPFR_LITTLE_ENDIAN, }, { .name = "15-bit RGB BE", .fourcc = V4L2_PIX_FMT_RGB555X, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 15, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB555 | ZR36057_VFESPFR_ERR_DIF, }, { .name = "16-bit RGB LE", .fourcc = V4L2_PIX_FMT_RGB565, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 16, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB565 | ZR36057_VFESPFR_ERR_DIF | ZR36057_VFESPFR_LITTLE_ENDIAN, }, { .name = "16-bit RGB BE", .fourcc = V4L2_PIX_FMT_RGB565X, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 16, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB565 | ZR36057_VFESPFR_ERR_DIF, }, { .name = "24-bit RGB", .fourcc = V4L2_PIX_FMT_BGR24, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 24, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB888 | ZR36057_VFESPFR_PACK24, }, { .name = "32-bit RGB LE", .fourcc = V4L2_PIX_FMT_BGR32, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 32, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB888 | ZR36057_VFESPFR_LITTLE_ENDIAN, }, { .name = "32-bit RGB BE", .fourcc = V4L2_PIX_FMT_RGB32, .colorspace = V4L2_COLORSPACE_SRGB, .depth = 32, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_RGB888, }, { .name = "4:2:2, packed, YUYV", .fourcc = V4L2_PIX_FMT_YUYV, .colorspace = V4L2_COLORSPACE_SMPTE170M, .depth = 16, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_YUV422, }, { .name = "4:2:2, packed, UYVY", .fourcc = V4L2_PIX_FMT_UYVY, .colorspace = V4L2_COLORSPACE_SMPTE170M, .depth = 16, .flags = ZORAN_FORMAT_CAPTURE, .vfespfr = ZR36057_VFESPFR_YUV422 | ZR36057_VFESPFR_LITTLE_ENDIAN, }, { .name = "Hardware-encoded Motion-JPEG", .fourcc = V4L2_PIX_FMT_MJPEG, .colorspace = V4L2_COLORSPACE_SMPTE170M, .depth = 0, .flags = ZORAN_FORMAT_CAPTURE | ZORAN_FORMAT_PLAYBACK | ZORAN_FORMAT_COMPRESSED, } }; #define NUM_FORMATS ARRAY_SIZE(zoran_formats) /* * small helper function for calculating buffersizes for v4l2 * we calculate the nearest higher power-of-two, which * will be the recommended buffersize */ static __u32 zoran_v4l2_calc_bufsize(struct zoran_jpg_settings *settings) { __u8 div = settings->ver_dcm * settings->hor_dcm * settings->tmp_dcm; __u32 num = (1024 * 512) / (div); __u32 result = 2; num--; while (num) { num >>= 1; result <<= 1; } if (result < 8192) return 8192; return result; } /* * V4L Buffer grabbing */ static int zoran_v4l_set_format(struct zoran *zr, int width, int height, const struct zoran_format *format) { int bpp; /* Check size and format of the grab wanted */ if (height < BUZ_MIN_HEIGHT || width < BUZ_MIN_WIDTH || height > BUZ_MAX_HEIGHT || width > BUZ_MAX_WIDTH) { pci_dbg(zr->pci_dev, "%s - wrong frame size (%dx%d)\n", __func__, width, height); return -EINVAL; } bpp = (format->depth + 7) / 8; zr->buffer_size = height * width * bpp; /* Check against available buffer size */ if (height * width * bpp > zr->buffer_size) { pci_dbg(zr->pci_dev, "%s - video buffer size (%d kB) is too small\n", __func__, zr->buffer_size >> 10); return -EINVAL; } /* The video front end needs 4-byte alinged line sizes */ if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) { pci_dbg(zr->pci_dev, "%s - wrong frame alignment\n", __func__); return -EINVAL; } zr->v4l_settings.width = width; zr->v4l_settings.height = height; zr->v4l_settings.format = format; zr->v4l_settings.bytesperline = bpp * zr->v4l_settings.width; return 0; } static int zoran_set_norm(struct zoran *zr, v4l2_std_id norm) { if (!(norm & zr->card.norms)) { pci_dbg(zr->pci_dev, "%s - unsupported norm %llx\n", __func__, norm); return -EINVAL; } if (norm & V4L2_STD_SECAM) zr->timing = zr->card.tvn[ZR_NORM_SECAM]; else if (norm & V4L2_STD_NTSC) zr->timing = zr->card.tvn[ZR_NORM_NTSC]; else zr->timing = zr->card.tvn[ZR_NORM_PAL]; decoder_call(zr, video, s_std, norm); encoder_call(zr, video, s_std_output, norm); /* Make sure the changes come into effect */ zr->norm = norm; return 0; } static int zoran_set_input(struct zoran *zr, int input) { if (input == zr->input) return 0; if (input < 0 || input >= zr->card.inputs) { pci_dbg(zr->pci_dev, "%s - unsupported input %d\n", __func__, input); return -EINVAL; } zr->input = input; decoder_call(zr, video, s_routing, zr->card.input[input].muxsel, 0, 0); return 0; } /* * ioctl routine */ static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap) { struct zoran *zr = video_drvdata(file); strscpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)); strscpy(cap->driver, "zoran", sizeof(cap->driver)); snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", pci_name(zr->pci_dev)); return 0; } static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag) { unsigned int num, i; if (fmt->index >= ARRAY_SIZE(zoran_formats)) return -EINVAL; if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; for (num = i = 0; i < NUM_FORMATS; i++) { if (zoran_formats[i].flags & flag && num++ == fmt->index) { strscpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)); /* fmt struct pre-zeroed, so adding '\0' not needed */ fmt->pixelformat = zoran_formats[i].fourcc; if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; return 0; } } return -EINVAL; } static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_fmtdesc *f) { struct zoran *zr = video_drvdata(file); return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE); } static int zoran_g_fmt_vid_out(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); fmt->fmt.pix.width = zr->jpg_settings.img_width / zr->jpg_settings.hor_dcm; fmt->fmt.pix.height = zr->jpg_settings.img_height * 2 / (zr->jpg_settings.ver_dcm * zr->jpg_settings.tmp_dcm); fmt->fmt.pix.sizeimage = zr->buffer_size; fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; if (zr->jpg_settings.tmp_dcm == 1) fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); else fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); fmt->fmt.pix.bytesperline = 0; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } static int zoran_g_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); if (zr->map_mode != ZORAN_MAP_MODE_RAW) return zoran_g_fmt_vid_out(file, __fh, fmt); fmt->fmt.pix.width = zr->v4l_settings.width; fmt->fmt.pix.height = zr->v4l_settings.height; fmt->fmt.pix.sizeimage = zr->buffer_size; fmt->fmt.pix.pixelformat = zr->v4l_settings.format->fourcc; fmt->fmt.pix.colorspace = zr->v4l_settings.format->colorspace; fmt->fmt.pix.bytesperline = zr->v4l_settings.bytesperline; if (BUZ_MAX_HEIGHT < (zr->v4l_settings.height * 2)) fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; else fmt->fmt.pix.field = V4L2_FIELD_TOP; return 0; } static int zoran_try_fmt_vid_out(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); struct zoran_jpg_settings settings; int res = 0; if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) return -EINVAL; settings = zr->jpg_settings; /* we actually need to set 'real' parameters now */ if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT) settings.tmp_dcm = 1; else settings.tmp_dcm = 2; settings.decimation = 0; if (fmt->fmt.pix.height <= zr->jpg_settings.img_height / 2) settings.ver_dcm = 2; else settings.ver_dcm = 1; if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 4) settings.hor_dcm = 4; else if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 2) settings.hor_dcm = 2; else settings.hor_dcm = 1; if (settings.tmp_dcm == 1) settings.field_per_buff = 2; else settings.field_per_buff = 1; if (settings.hor_dcm > 1) { settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; } else { settings.img_x = 0; settings.img_width = BUZ_MAX_WIDTH; } /* check */ res = zoran_check_jpg_settings(zr, &settings, 1); if (res) return res; /* tell the user what we actually did */ fmt->fmt.pix.width = settings.img_width / settings.hor_dcm; fmt->fmt.pix.height = settings.img_height * 2 / (settings.tmp_dcm * settings.ver_dcm); if (settings.tmp_dcm == 1) fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); else fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings); fmt->fmt.pix.bytesperline = 0; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return res; } static int zoran_try_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); int bpp; int i; if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) return zoran_try_fmt_vid_out(file, __fh, fmt); for (i = 0; i < NUM_FORMATS; i++) if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat) break; if (i == NUM_FORMATS) { /* TODO do not return here to fix the TRY_FMT cannot handle an invalid pixelformat*/ return -EINVAL; } fmt->fmt.pix.pixelformat = zoran_formats[i].fourcc; fmt->fmt.pix.colorspace = zoran_formats[i].colorspace; if (BUZ_MAX_HEIGHT < (fmt->fmt.pix.height * 2)) fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; else fmt->fmt.pix.field = V4L2_FIELD_TOP; bpp = DIV_ROUND_UP(zoran_formats[i].depth, 8); v4l_bound_align_image(&fmt->fmt.pix.width, BUZ_MIN_WIDTH, BUZ_MAX_WIDTH, bpp == 2 ? 1 : 2, &fmt->fmt.pix.height, BUZ_MIN_HEIGHT, BUZ_MAX_HEIGHT, 0, 0); fmt->fmt.pix.bytesperline = fmt->fmt.pix.width * bpp; fmt->fmt.pix.sizeimage = fmt->fmt.pix.bytesperline * fmt->fmt.pix.height; return 0; } static int zoran_s_fmt_vid_out(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat); struct zoran_jpg_settings settings; int res = 0; pci_dbg(zr->pci_dev, "size=%dx%d, fmt=0x%x (%4.4s)\n", fmt->fmt.pix.width, fmt->fmt.pix.height, fmt->fmt.pix.pixelformat, (char *)&printformat); if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) return -EINVAL; if (!fmt->fmt.pix.height || !fmt->fmt.pix.width) return -EINVAL; settings = zr->jpg_settings; /* we actually need to set 'real' parameters now */ if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT) settings.tmp_dcm = 1; else settings.tmp_dcm = 2; settings.decimation = 0; if (fmt->fmt.pix.height <= zr->jpg_settings.img_height / 2) settings.ver_dcm = 2; else settings.ver_dcm = 1; if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 4) settings.hor_dcm = 4; else if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 2) settings.hor_dcm = 2; else settings.hor_dcm = 1; if (settings.tmp_dcm == 1) settings.field_per_buff = 2; else settings.field_per_buff = 1; if (settings.hor_dcm > 1) { settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; } else { settings.img_x = 0; settings.img_width = BUZ_MAX_WIDTH; } /* check */ res = zoran_check_jpg_settings(zr, &settings, 0); if (res) return res; /* it's ok, so set them */ zr->jpg_settings = settings; if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) zr->map_mode = ZORAN_MAP_MODE_JPG_REC; else zr->map_mode = ZORAN_MAP_MODE_JPG_PLAY; zr->buffer_size = zoran_v4l2_calc_bufsize(&zr->jpg_settings); /* tell the user what we actually did */ fmt->fmt.pix.width = settings.img_width / settings.hor_dcm; fmt->fmt.pix.height = settings.img_height * 2 / (settings.tmp_dcm * settings.ver_dcm); if (settings.tmp_dcm == 1) fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); else fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); fmt->fmt.pix.bytesperline = 0; fmt->fmt.pix.sizeimage = zr->buffer_size; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return res; } static int zoran_s_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_format *fmt) { struct zoran *zr = video_drvdata(file); struct zoran_fh *fh = __fh; int i; int res = 0; if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) return zoran_s_fmt_vid_out(file, fh, fmt); for (i = 0; i < NUM_FORMATS; i++) if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc) break; if (i == NUM_FORMATS) { pci_dbg(zr->pci_dev, "VIDIOC_S_FMT - unknown/unsupported format 0x%x\n", fmt->fmt.pix.pixelformat); /* TODO do not return here to fix the TRY_FMT cannot handle an invalid pixelformat*/ return -EINVAL; } fmt->fmt.pix.pixelformat = zoran_formats[i].fourcc; if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT) fmt->fmt.pix.height = BUZ_MAX_HEIGHT; if (fmt->fmt.pix.width > BUZ_MAX_WIDTH) fmt->fmt.pix.width = BUZ_MAX_WIDTH; if (fmt->fmt.pix.height < BUZ_MIN_HEIGHT) fmt->fmt.pix.height = BUZ_MIN_HEIGHT; if (fmt->fmt.pix.width < BUZ_MIN_WIDTH) fmt->fmt.pix.width = BUZ_MIN_WIDTH; zr->map_mode = ZORAN_MAP_MODE_RAW; res = zoran_v4l_set_format(zr, fmt->fmt.pix.width, fmt->fmt.pix.height, &zoran_formats[i]); if (res) return res; /* tell the user the results/missing stuff */ fmt->fmt.pix.bytesperline = zr->v4l_settings.bytesperline; fmt->fmt.pix.sizeimage = zr->buffer_size; fmt->fmt.pix.colorspace = zr->v4l_settings.format->colorspace; if (BUZ_MAX_HEIGHT < (zr->v4l_settings.height * 2)) fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; else fmt->fmt.pix.field = V4L2_FIELD_TOP; return res; } static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std) { struct zoran *zr = video_drvdata(file); *std = zr->norm; return 0; } static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id std) { struct zoran *zr = video_drvdata(file); int res = 0; if (zr->norm == std) return 0; if (zr->running != ZORAN_MAP_MODE_NONE) return -EBUSY; res = zoran_set_norm(zr, std); return res; } static int zoran_enum_input(struct file *file, void *__fh, struct v4l2_input *inp) { struct zoran *zr = video_drvdata(file); if (inp->index >= zr->card.inputs) return -EINVAL; strscpy(inp->name, zr->card.input[inp->index].name, sizeof(inp->name)); inp->type = V4L2_INPUT_TYPE_CAMERA; inp->std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; /* Get status of video decoder */ decoder_call(zr, video, g_input_status, &inp->status); return 0; } static int zoran_g_input(struct file *file, void *__fh, unsigned int *input) { struct zoran *zr = video_drvdata(file); *input = zr->input; return 0; } static int zoran_s_input(struct file *file, void *__fh, unsigned int input) { struct zoran *zr = video_drvdata(file); int res; if (zr->running != ZORAN_MAP_MODE_NONE) return -EBUSY; res = zoran_set_input(zr, input); return res; } /* cropping (sub-frame capture) */ static int zoran_g_selection(struct file *file, void *__fh, struct v4l2_selection *sel) { struct zoran *zr = video_drvdata(file); if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { pci_dbg(zr->pci_dev, "%s invalid selection type combination\n", __func__); return -EINVAL; } switch (sel->target) { case V4L2_SEL_TGT_CROP: sel->r.top = zr->jpg_settings.img_y; sel->r.left = zr->jpg_settings.img_x; sel->r.width = zr->jpg_settings.img_width; sel->r.height = zr->jpg_settings.img_height; break; case V4L2_SEL_TGT_CROP_DEFAULT: sel->r.top = 0; sel->r.left = 0; sel->r.width = BUZ_MIN_WIDTH; sel->r.height = BUZ_MIN_HEIGHT; break; case V4L2_SEL_TGT_CROP_BOUNDS: sel->r.top = 0; sel->r.left = 0; sel->r.width = BUZ_MAX_WIDTH; sel->r.height = BUZ_MAX_HEIGHT; break; default: return -EINVAL; } return 0; } static int zoran_s_selection(struct file *file, void *__fh, struct v4l2_selection *sel) { struct zoran *zr = video_drvdata(file); struct zoran_jpg_settings settings; int res; if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; if (!sel->r.width || !sel->r.height) return -EINVAL; if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; if (zr->map_mode == ZORAN_MAP_MODE_RAW) { pci_dbg(zr->pci_dev, "VIDIOC_S_SELECTION - subcapture only supported for compressed capture\n"); return -EINVAL; } settings = zr->jpg_settings; /* move into a form that we understand */ settings.img_x = sel->r.left; settings.img_y = sel->r.top; settings.img_width = sel->r.width; settings.img_height = sel->r.height; /* check validity */ res = zoran_check_jpg_settings(zr, &settings, 0); if (res) return res; /* accept */ zr->jpg_settings = settings; return res; } /* * Output is disabled temporarily * Zoran is picky about jpeg data it accepts. At least it seems to unsupport COM and APPn. * So until a way to filter data will be done, disable output. */ static const struct v4l2_ioctl_ops zoran_ioctl_ops = { .vidioc_querycap = zoran_querycap, .vidioc_s_selection = zoran_s_selection, .vidioc_g_selection = zoran_g_selection, .vidioc_enum_input = zoran_enum_input, .vidioc_g_input = zoran_g_input, .vidioc_s_input = zoran_s_input, .vidioc_g_std = zoran_g_std, .vidioc_s_std = zoran_s_std, .vidioc_create_bufs = vb2_ioctl_create_bufs, .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_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_enum_fmt_vid_cap = zoran_enum_fmt_vid_cap, .vidioc_g_fmt_vid_cap = zoran_g_fmt_vid_cap, .vidioc_s_fmt_vid_cap = zoran_s_fmt_vid_cap, .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct v4l2_file_operations zoran_fops = { .owner = THIS_MODULE, .unlocked_ioctl = video_ioctl2, .open = v4l2_fh_open, .release = vb2_fop_release, .mmap = vb2_fop_mmap, .poll = vb2_fop_poll, }; const struct video_device zoran_template = { .name = ZORAN_NAME, .fops = &zoran_fops, .ioctl_ops = &zoran_ioctl_ops, .release = &zoran_vdev_release, .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, }; static int zr_vb2_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct zoran *zr = vb2_get_drv_priv(vq); unsigned int size = zr->buffer_size; pci_dbg(zr->pci_dev, "%s nbuf=%u nplanes=%u", __func__, *nbuffers, *nplanes); zr->buf_in_reserve = 0; if (*nbuffers < vq->min_queued_buffers) *nbuffers = vq->min_queued_buffers; if (*nplanes) { if (sizes[0] < size) return -EINVAL; else return 0; } *nplanes = 1; sizes[0] = size; return 0; } static void zr_vb2_queue(struct vb2_buffer *vb) { struct zoran *zr = vb2_get_drv_priv(vb->vb2_queue); struct zr_buffer *buf = vb2_to_zr_buffer(vb); unsigned long flags; spin_lock_irqsave(&zr->queued_bufs_lock, flags); list_add_tail(&buf->queue, &zr->queued_bufs); zr->buf_in_reserve++; spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); if (zr->running == ZORAN_MAP_MODE_JPG_REC) zoran_feed_stat_com(zr); zr->queued++; } static int zr_vb2_prepare(struct vb2_buffer *vb) { struct zoran *zr = vb2_get_drv_priv(vb->vb2_queue); if (vb2_plane_size(vb, 0) < zr->buffer_size) return -EINVAL; zr->prepared++; return 0; } int zr_set_buf(struct zoran *zr) { struct zr_buffer *buf; struct vb2_v4l2_buffer *vbuf; dma_addr_t phys_addr; unsigned long flags; u32 reg; if (zr->running == ZORAN_MAP_MODE_NONE) return 0; if (zr->inuse[0]) { buf = zr->inuse[0]; buf->vbuf.vb2_buf.timestamp = ktime_get_ns(); buf->vbuf.sequence = zr->vbseq++; vbuf = &buf->vbuf; buf->vbuf.field = V4L2_FIELD_INTERLACED; if (BUZ_MAX_HEIGHT < (zr->v4l_settings.height * 2)) buf->vbuf.field = V4L2_FIELD_INTERLACED; else buf->vbuf.field = V4L2_FIELD_TOP; vb2_set_plane_payload(&buf->vbuf.vb2_buf, 0, zr->buffer_size); vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_DONE); zr->inuse[0] = NULL; } spin_lock_irqsave(&zr->queued_bufs_lock, flags); if (list_empty(&zr->queued_bufs)) { btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); vb2_queue_error(zr->video_dev->queue); spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); return -EINVAL; } buf = list_first_entry_or_null(&zr->queued_bufs, struct zr_buffer, queue); if (!buf) { btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); vb2_queue_error(zr->video_dev->queue); spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); return -EINVAL; } list_del(&buf->queue); zr->buf_in_reserve--; spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); vbuf = &buf->vbuf; vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE; phys_addr = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); if (!phys_addr) return -EINVAL; zr->inuse[0] = buf; reg = phys_addr; btwrite(reg, ZR36057_VDTR); if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) reg += zr->v4l_settings.bytesperline; btwrite(reg, ZR36057_VDBR); reg = 0; if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) reg += zr->v4l_settings.bytesperline; reg = (reg << ZR36057_VSSFGR_DISP_STRIDE); reg |= ZR36057_VSSFGR_VID_OVF; reg |= ZR36057_VSSFGR_SNAP_SHOT; reg |= ZR36057_VSSFGR_FRAME_GRAB; btwrite(reg, ZR36057_VSSFGR); btor(ZR36057_VDCR_VID_EN, ZR36057_VDCR); return 0; } static int zr_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) { struct zoran *zr = vq->drv_priv; int j; for (j = 0; j < BUZ_NUM_STAT_COM; j++) { zr->stat_com[j] = cpu_to_le32(1); zr->inuse[j] = NULL; } zr->vbseq = 0; if (zr->map_mode != ZORAN_MAP_MODE_RAW) { pci_dbg(zr->pci_dev, "START JPG\n"); zr36057_restart(zr); zoran_init_hardware(zr); if (zr->map_mode == ZORAN_MAP_MODE_JPG_REC) zr36057_enable_jpg(zr, BUZ_MODE_MOTION_DECOMPRESS); else zr36057_enable_jpg(zr, BUZ_MODE_MOTION_COMPRESS); zoran_feed_stat_com(zr); jpeg_start(zr); zr->running = zr->map_mode; btor(ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); return 0; } pci_dbg(zr->pci_dev, "START RAW\n"); zr36057_restart(zr); zoran_init_hardware(zr); zr36057_enable_jpg(zr, BUZ_MODE_IDLE); zr36057_set_memgrab(zr, 1); zr->running = zr->map_mode; btor(ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); return 0; } static void zr_vb2_stop_streaming(struct vb2_queue *vq) { struct zoran *zr = vq->drv_priv; struct zr_buffer *buf; unsigned long flags; int j; btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); if (zr->map_mode != ZORAN_MAP_MODE_RAW) zr36057_enable_jpg(zr, BUZ_MODE_IDLE); zr36057_set_memgrab(zr, 0); zr->running = ZORAN_MAP_MODE_NONE; zoran_set_pci_master(zr, 0); if (!pass_through) { /* Switch to color bar */ decoder_call(zr, video, s_stream, 0); encoder_call(zr, video, s_routing, 2, 0, 0); } for (j = 0; j < BUZ_NUM_STAT_COM; j++) { zr->stat_com[j] = cpu_to_le32(1); if (!zr->inuse[j]) continue; buf = zr->inuse[j]; pci_dbg(zr->pci_dev, "%s clean buf %d\n", __func__, j); vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_ERROR); zr->inuse[j] = NULL; } spin_lock_irqsave(&zr->queued_bufs_lock, flags); while (!list_empty(&zr->queued_bufs)) { buf = list_entry(zr->queued_bufs.next, struct zr_buffer, queue); list_del(&buf->queue); vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_ERROR); zr->buf_in_reserve--; } spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); if (zr->buf_in_reserve) pci_dbg(zr->pci_dev, "Buffer remaining %d\n", zr->buf_in_reserve); zr->map_mode = ZORAN_MAP_MODE_RAW; } static const struct vb2_ops zr_video_qops = { .queue_setup = zr_vb2_queue_setup, .buf_queue = zr_vb2_queue, .buf_prepare = zr_vb2_prepare, .start_streaming = zr_vb2_start_streaming, .stop_streaming = zr_vb2_stop_streaming, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, }; int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq, int dir) { int err; spin_lock_init(&zr->queued_bufs_lock); INIT_LIST_HEAD(&zr->queued_bufs); vq->dev = &zr->pci_dev->dev; vq->type = dir; vq->io_modes = VB2_DMABUF | VB2_MMAP; vq->drv_priv = zr; vq->buf_struct_size = sizeof(struct zr_buffer); vq->ops = &zr_video_qops; vq->mem_ops = &vb2_dma_contig_memops; vq->gfp_flags = GFP_DMA32; vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vq->min_queued_buffers = 9; vq->lock = &zr->lock; err = vb2_queue_init(vq); if (err) return err; zr->video_dev->queue = vq; return 0; } void zoran_queue_exit(struct zoran *zr) { vb2_queue_release(zr->video_dev->queue); }
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