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authorHans Verkuil <hverkuil@xs4all.nl>2008-10-09 05:51:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:39:04 -0200
commit45d011031d745d2c9a21c21d289428cb7f88a2d0 (patch)
treef9d8cf3b8dd12541396b3a2b867d7ad8c8207490 /drivers/media/video/zoran_device.c
parent19c309e383610453604092473287f77233f31e90 (diff)
V4L/DVB (9129): zoran: move zoran sources into a zoran subdirectory
Prevent the zoran driver sources from cluttering the video directory. This changeset only moves the drivers and it does not fix any of the checkpatch warnings/errors to keep the changeset clean. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/zoran_device.c')
-rw-r--r--drivers/media/video/zoran_device.c1747
1 files changed, 0 insertions, 1747 deletions
diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c
deleted file mode 100644
index 5d948ff7faf0..000000000000
--- a/drivers/media/video/zoran_device.c
+++ /dev/null
@@ -1,1747 +0,0 @@
-/*
- * Zoran zr36057/zr36067 PCI controller driver, for the
- * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
- * Media Labs LML33/LML33R10.
- *
- * This part handles device access (PCI/I2C/codec/...)
- *
- * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
- *
- * Currently maintained by:
- * Ronald Bultje <rbultje@ronald.bitfreak.net>
- * Laurent Pinchart <laurent.pinchart@skynet.be>
- * Mailinglist <mjpeg-users@lists.sf.net>
- *
- * 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/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-
-#include <linux/interrupt.h>
-#include <linux/proc_fs.h>
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/videodev.h>
-#include <linux/spinlock.h>
-#include <linux/sem.h>
-
-#include <linux/pci.h>
-#include <linux/video_decoder.h>
-#include <linux/video_encoder.h>
-#include <linux/delay.h>
-#include <linux/wait.h>
-
-#include <asm/byteorder.h>
-#include <asm/io.h>
-
-#include "videocodec.h"
-#include "zoran.h"
-#include "zoran_device.h"
-#include "zoran_card.h"
-
-#define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \
- ZR36057_ISR_GIRQ1 | \
- ZR36057_ISR_JPEGRepIRQ )
-
-static int lml33dpath; /* default = 0
- * 1 will use digital path in capture
- * mode instead of analog. It can be
- * used for picture adjustments using
- * tool like xawtv while watching image
- * on TV monitor connected to the output.
- * However, due to absence of 75 Ohm
- * load on Bt819 input, there will be
- * some image imperfections */
-
-module_param(lml33dpath, bool, 0644);
-MODULE_PARM_DESC(lml33dpath,
- "Use digital path capture mode (on LML33 cards)");
-
-static void
-zr36057_init_vfe (struct zoran *zr);
-
-/*
- * General Purpose I/O and Guest bus access
- */
-
-/*
- * This is a bit tricky. When a board lacks a GPIO function, the corresponding
- * GPIO bit number in the card_info structure is set to 0.
- */
-
-void
-GPIO (struct zoran *zr,
- int bit,
- unsigned int value)
-{
- u32 reg;
- u32 mask;
-
- /* Make sure the bit number is legal
- * A bit number of -1 (lacking) gives a mask of 0,
- * making it harmless */
- mask = (1 << (24 + bit)) & 0xff000000;
- reg = btread(ZR36057_GPPGCR1) & ~mask;
- if (value) {
- reg |= mask;
- }
- btwrite(reg, ZR36057_GPPGCR1);
- udelay(1);
-}
-
-/*
- * Wait til post office is no longer busy
- */
-
-int
-post_office_wait (struct zoran *zr)
-{
- u32 por;
-
-// while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) {
- while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) {
- /* wait for something to happen */
- }
- if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) {
- /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */
- dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr),
- por);
- return -1;
- }
-
- return 0;
-}
-
-int
-post_office_write (struct zoran *zr,
- unsigned int guest,
- unsigned int reg,
- unsigned int value)
-{
- u32 por;
-
- por =
- ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) |
- ((reg & 7) << 16) | (value & 0xFF);
- btwrite(por, ZR36057_POR);
-
- return post_office_wait(zr);
-}
-
-int
-post_office_read (struct zoran *zr,
- unsigned int guest,
- unsigned int reg)
-{
- u32 por;
-
- por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16);
- btwrite(por, ZR36057_POR);
- if (post_office_wait(zr) < 0) {
- return -1;
- }
-
- return btread(ZR36057_POR) & 0xFF;
-}
-
-/*
- * detect guests
- */
-
-static void
-dump_guests (struct zoran *zr)
-{
- if (zr36067_debug > 2) {
- int i, guest[8];
-
- for (i = 1; i < 8; i++) { // Don't read jpeg codec here
- guest[i] = post_office_read(zr, i, 0);
- }
-
- printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
-
- for (i = 1; i < 8; i++) {
- printk(" 0x%02x", guest[i]);
- }
- printk("\n");
- }
-}
-
-static inline unsigned long
-get_time (void)
-{
- struct timeval tv;
-
- do_gettimeofday(&tv);
- return (1000000 * tv.tv_sec + tv.tv_usec);
-}
-
-void
-detect_guest_activity (struct zoran *zr)
-{
- int timeout, i, j, res, guest[8], guest0[8], change[8][3];
- unsigned long t0, t1;
-
- dump_guests(zr);
- printk(KERN_INFO "%s: Detecting guests activity, please wait...\n",
- ZR_DEVNAME(zr));
- for (i = 1; i < 8; i++) { // Don't read jpeg codec here
- guest0[i] = guest[i] = post_office_read(zr, i, 0);
- }
-
- timeout = 0;
- j = 0;
- t0 = get_time();
- while (timeout < 10000) {
- udelay(10);
- timeout++;
- for (i = 1; (i < 8) && (j < 8); i++) {
- res = post_office_read(zr, i, 0);
- if (res != guest[i]) {
- t1 = get_time();
- change[j][0] = (t1 - t0);
- t0 = t1;
- change[j][1] = i;
- change[j][2] = res;
- j++;
- guest[i] = res;
- }
- }
- if (j >= 8)
- break;
- }
- printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
-
- for (i = 1; i < 8; i++) {
- printk(" 0x%02x", guest0[i]);
- }
- printk("\n");
- if (j == 0) {
- printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr));
- return;
- }
- for (i = 0; i < j; i++) {
- printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr),
- change[i][0], change[i][1], change[i][2]);
- }
-}
-
-/*
- * JPEG Codec access
- */
-
-void
-jpeg_codec_sleep (struct zoran *zr,
- int sleep)
-{
- GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep);
- if (!sleep) {
- dprintk(3,
- KERN_DEBUG
- "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n",
- ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1));
- udelay(500);
- } else {
- dprintk(3,
- KERN_DEBUG
- "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n",
- ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1));
- udelay(2);
- }
-}
-
-int
-jpeg_codec_reset (struct zoran *zr)
-{
- /* Take the codec out of sleep */
- jpeg_codec_sleep(zr, 0);
-
- if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) {
- post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0,
- 0);
- udelay(2);
- } else {
- GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0);
- udelay(2);
- GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1);
- udelay(2);
- }
-
- return 0;
-}
-
-/*
- * Set the registers for the size we have specified. Don't bother
- * trying to understand this without the ZR36057 manual in front of
- * you [AC].
- *
- * PS: The manual is free for download in .pdf format from
- * www.zoran.com - nicely done those folks.
- */
-
-static void
-zr36057_adjust_vfe (struct zoran *zr,
- enum zoran_codec_mode mode)
-{
- u32 reg;
-
- switch (mode) {
- case BUZ_MODE_MOTION_DECOMPRESS:
- btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
- reg = btread(ZR36057_VFEHCR);
- if ((reg & (1 << 10)) && zr->card.type != LML33R10) {
- reg += ((1 << 10) | 1);
- }
- btwrite(reg, ZR36057_VFEHCR);
- break;
- case BUZ_MODE_MOTION_COMPRESS:
- case BUZ_MODE_IDLE:
- default:
- if (zr->norm == VIDEO_MODE_NTSC ||
- (zr->card.type == LML33R10 &&
- zr->norm == VIDEO_MODE_PAL))
- btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
- else
- btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
- reg = btread(ZR36057_VFEHCR);
- if (!(reg & (1 << 10)) && zr->card.type != LML33R10) {
- reg -= ((1 << 10) | 1);
- }
- btwrite(reg, ZR36057_VFEHCR);
- break;
- }
-}
-
-/*
- * set geometry
- */
-
-static void
-zr36057_set_vfe (struct zoran *zr,
- int video_width,
- int video_height,
- const struct zoran_format *format)
-{
- struct tvnorm *tvn;
- unsigned HStart, HEnd, VStart, VEnd;
- unsigned DispMode;
- unsigned VidWinWid, VidWinHt;
- unsigned hcrop1, hcrop2, vcrop1, vcrop2;
- unsigned Wa, We, Ha, He;
- unsigned X, Y, HorDcm, VerDcm;
- u32 reg;
- unsigned mask_line_size;
-
- tvn = zr->timing;
-
- Wa = tvn->Wa;
- Ha = tvn->Ha;
-
- dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n",
- ZR_DEVNAME(zr), video_width, video_height);
-
- if (zr->norm != VIDEO_MODE_PAL &&
- zr->norm != VIDEO_MODE_NTSC &&
- zr->norm != VIDEO_MODE_SECAM) {
- dprintk(1,
- KERN_ERR "%s: set_vfe() - norm = %d not valid\n",
- ZR_DEVNAME(zr), zr->norm);
- return;
- }
- if (video_width < BUZ_MIN_WIDTH ||
- video_height < BUZ_MIN_HEIGHT ||
- video_width > Wa || video_height > Ha) {
- dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n",
- ZR_DEVNAME(zr), video_width, video_height);
- return;
- }
-
- /**** zr36057 ****/
-
- /* horizontal */
- VidWinWid = video_width;
- X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa);
- We = (VidWinWid * 64) / X;
- HorDcm = 64 - X;
- hcrop1 = 2 * ((tvn->Wa - We) / 4);
- hcrop2 = tvn->Wa - We - hcrop1;
- HStart = tvn->HStart ? tvn->HStart : 1;
- /* (Ronald) Original comment:
- * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+"
- * this is false. It inverses chroma values on the LML33R10 (so Cr
- * suddenly is shown as Cb and reverse, really cool effect if you
- * want to see blue faces, not useful otherwise). So don't use |1.
- * However, the DC10 has '0' as HStart, but does need |1, so we
- * use a dirty check...
- */
- HEnd = HStart + tvn->Wa - 1;
- HStart += hcrop1;
- HEnd -= hcrop2;
- reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart)
- | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd);
- if (zr->card.vfe_pol.hsync_pol)
- reg |= ZR36057_VFEHCR_HSPol;
- btwrite(reg, ZR36057_VFEHCR);
-
- /* Vertical */
- DispMode = !(video_height > BUZ_MAX_HEIGHT / 2);
- VidWinHt = DispMode ? video_height : video_height / 2;
- Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha);
- He = (VidWinHt * 64) / Y;
- VerDcm = 64 - Y;
- vcrop1 = (tvn->Ha / 2 - He) / 2;
- vcrop2 = tvn->Ha / 2 - He - vcrop1;
- VStart = tvn->VStart;
- VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP
- VStart += vcrop1;
- VEnd -= vcrop2;
- reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart)
- | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd);
- if (zr->card.vfe_pol.vsync_pol)
- reg |= ZR36057_VFEVCR_VSPol;
- btwrite(reg, ZR36057_VFEVCR);
-
- /* scaler and pixel format */
- reg = 0;
- reg |= (HorDcm << ZR36057_VFESPFR_HorDcm);
- reg |= (VerDcm << ZR36057_VFESPFR_VerDcm);
- reg |= (DispMode << ZR36057_VFESPFR_DispMode);
- /* RJ: I don't know, why the following has to be the opposite
- * of the corresponding ZR36060 setting, but only this way
- * we get the correct colors when uncompressing to the screen */
- //reg |= ZR36057_VFESPFR_VCLKPol; /**/
- /* RJ: Don't know if that is needed for NTSC also */
- if (zr->norm != VIDEO_MODE_NTSC)
- reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang
- reg |= ZR36057_VFESPFR_TopField;
- if (HorDcm >= 48) {
- reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */
- } else if (HorDcm >= 32) {
- reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */
- } else if (HorDcm >= 16) {
- reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */
- }
- reg |= format->vfespfr;
- btwrite(reg, ZR36057_VFESPFR);
-
- /* display configuration */
- reg = (16 << ZR36057_VDCR_MinPix)
- | (VidWinHt << ZR36057_VDCR_VidWinHt)
- | (VidWinWid << ZR36057_VDCR_VidWinWid);
- if (pci_pci_problems & PCIPCI_TRITON)
- // || zr->revision < 1) // Revision 1 has also Triton support
- reg &= ~ZR36057_VDCR_Triton;
- else
- reg |= ZR36057_VDCR_Triton;
- btwrite(reg, ZR36057_VDCR);
-
- /* (Ronald) don't write this if overlay_mask = NULL */
- if (zr->overlay_mask) {
- /* Write overlay clipping mask data, but don't enable overlay clipping */
- /* RJ: since this makes only sense on the screen, we use
- * zr->overlay_settings.width instead of video_width */
-
- mask_line_size = (BUZ_MAX_WIDTH + 31) / 32;
- reg = virt_to_bus(zr->overlay_mask);
- btwrite(reg, ZR36057_MMTR);
- reg = virt_to_bus(zr->overlay_mask + mask_line_size);
- btwrite(reg, ZR36057_MMBR);
- reg =
- mask_line_size - (zr->overlay_settings.width +
- 31) / 32;
- if (DispMode == 0)
- reg += mask_line_size;
- reg <<= ZR36057_OCR_MaskStride;
- btwrite(reg, ZR36057_OCR);
- }
-
- zr36057_adjust_vfe(zr, zr->codec_mode);
-}
-
-/*
- * Switch overlay on or off
- */
-
-void
-zr36057_overlay (struct zoran *zr,
- int on)
-{
- u32 reg;
-
- if (on) {
- /* do the necessary settings ... */
- btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */
-
- zr36057_set_vfe(zr,
- zr->overlay_settings.width,
- zr->overlay_settings.height,
- zr->overlay_settings.format);
-
- /* Start and length of each line MUST be 4-byte aligned.
- * This should be allready checked before the call to this routine.
- * All error messages are internal driver checking only! */
-
- /* video display top and bottom registers */
- reg = (long) zr->buffer.base +
- zr->overlay_settings.x *
- ((zr->overlay_settings.format->depth + 7) / 8) +
- zr->overlay_settings.y *
- zr->buffer.bytesperline;
- btwrite(reg, ZR36057_VDTR);
- if (reg & 3)
- dprintk(1,
- KERN_ERR
- "%s: zr36057_overlay() - video_address not aligned\n",
- ZR_DEVNAME(zr));
- if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2)
- reg += zr->buffer.bytesperline;
- btwrite(reg, ZR36057_VDBR);
-
- /* video stride, status, and frame grab register */
- reg = zr->buffer.bytesperline -
- zr->overlay_settings.width *
- ((zr->overlay_settings.format->depth + 7) / 8);
- if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2)
- reg += zr->buffer.bytesperline;
- if (reg & 3)
- dprintk(1,
- KERN_ERR
- "%s: zr36057_overlay() - video_stride not aligned\n",
- ZR_DEVNAME(zr));
- reg = (reg << ZR36057_VSSFGR_DispStride);
- reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */
- btwrite(reg, ZR36057_VSSFGR);
-
- /* Set overlay clipping */
- if (zr->overlay_settings.clipcount > 0)
- btor(ZR36057_OCR_OvlEnable, ZR36057_OCR);
-
- /* ... and switch it on */
- btor(ZR36057_VDCR_VidEn, ZR36057_VDCR);
- } else {
- /* Switch it off */
- btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR);
- }
-}
-
-/*
- * The overlay mask has one bit for each pixel on a scan line,
- * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels.
- */
-
-void
-write_overlay_mask (struct file *file,
- struct video_clip *vp,
- int count)
-{
- struct zoran_fh *fh = file->private_data;
- struct zoran *zr = fh->zr;
- unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32;
- u32 *mask;
- int x, y, width, height;
- unsigned i, j, k;
- u32 reg;
-
- /* fill mask with one bits */
- memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT);
- reg = 0;
-
- for (i = 0; i < count; ++i) {
- /* pick up local copy of clip */
- x = vp[i].x;
- y = vp[i].y;
- width = vp[i].width;
- height = vp[i].height;
-
- /* trim clips that extend beyond the window */
- if (x < 0) {
- width += x;
- x = 0;
- }
- if (y < 0) {
- height += y;
- y = 0;
- }
- if (x + width > fh->overlay_settings.width) {
- width = fh->overlay_settings.width - x;
- }
- if (y + height > fh->overlay_settings.height) {
- height = fh->overlay_settings.height - y;
- }
-
- /* ignore degenerate clips */
- if (height <= 0) {
- continue;
- }
- if (width <= 0) {
- continue;
- }
-
- /* apply clip for each scan line */
- for (j = 0; j < height; ++j) {
- /* reset bit for each pixel */
- /* this can be optimized later if need be */
- mask = fh->overlay_mask + (y + j) * mask_line_size;
- for (k = 0; k < width; ++k) {
- mask[(x + k) / 32] &=
- ~((u32) 1 << (x + k) % 32);
- }
- }
- }
-}
-
-/* Enable/Disable uncompressed memory grabbing of the 36057 */
-
-void
-zr36057_set_memgrab (struct zoran *zr,
- int mode)
-{
- if (mode) {
- /* We only check SnapShot and not FrameGrab here. SnapShot==1
- * means a capture is already in progress, but FrameGrab==1
- * doesn't necessary mean that. It's more correct to say a 1
- * to 0 transition indicates a capture completed. If a
- * capture is pending when capturing is tuned off, FrameGrab
- * will be stuck at 1 until capturing is turned back on.
- */
- if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot)
- dprintk(1,
- KERN_WARNING
- "%s: zr36057_set_memgrab(1) with SnapShot on!?\n",
- ZR_DEVNAME(zr));
-
- /* switch on VSync interrupts */
- btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts
- btor(zr->card.vsync_int, ZR36057_ICR); // SW
-
- /* enable SnapShot */
- btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR);
-
- /* Set zr36057 video front end and enable video */
- zr36057_set_vfe(zr, zr->v4l_settings.width,
- zr->v4l_settings.height,
- zr->v4l_settings.format);
-
- zr->v4l_memgrab_active = 1;
- } else {
- /* switch off VSync interrupts */
- btand(~zr->card.vsync_int, ZR36057_ICR); // SW
-
- zr->v4l_memgrab_active = 0;
- zr->v4l_grab_frame = NO_GRAB_ACTIVE;
-
- /* reenable grabbing to screen if it was running */
- if (zr->v4l_overlay_active) {
- zr36057_overlay(zr, 1);
- } else {
- btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR);
- btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR);
- }
- }
-}
-
-int
-wait_grab_pending (struct zoran *zr)
-{
- unsigned long flags;
-
- /* wait until all pending grabs are finished */
-
- if (!zr->v4l_memgrab_active)
- return 0;
-
- wait_event_interruptible(zr->v4l_capq,
- (zr->v4l_pend_tail == zr->v4l_pend_head));
- if (signal_pending(current))
- return -ERESTARTSYS;
-
- spin_lock_irqsave(&zr->spinlock, flags);
- zr36057_set_memgrab(zr, 0);
- spin_unlock_irqrestore(&zr->spinlock, flags);
-
- return 0;
-}
-
-/*****************************************************************************
- * *
- * Set up the Buz-specific MJPEG part *
- * *
- *****************************************************************************/
-
-static inline void
-set_frame (struct zoran *zr,
- int val)
-{
- GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val);
-}
-
-static void
-set_videobus_dir (struct zoran *zr,
- int val)
-{
- switch (zr->card.type) {
- case LML33:
- case LML33R10:
- if (lml33dpath == 0)
- GPIO(zr, 5, val);
- else
- GPIO(zr, 5, 1);
- break;
- default:
- GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR],
- zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val);
- break;
- }
-}
-
-static void
-init_jpeg_queue (struct zoran *zr)
-{
- int i;
-
- /* re-initialize DMA ring stuff */
- zr->jpg_que_head = 0;
- zr->jpg_dma_head = 0;
- zr->jpg_dma_tail = 0;
- zr->jpg_que_tail = 0;
- zr->jpg_seq_num = 0;
- zr->JPEG_error = 0;
- zr->num_errors = 0;
- zr->jpg_err_seq = 0;
- zr->jpg_err_shift = 0;
- zr->jpg_queued_num = 0;
- for (i = 0; i < zr->jpg_buffers.num_buffers; i++) {
- zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
- }
- for (i = 0; i < BUZ_NUM_STAT_COM; i++) {
- zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
- }
-}
-
-static void
-zr36057_set_jpg (struct zoran *zr,
- enum zoran_codec_mode mode)
-{
- struct tvnorm *tvn;
- u32 reg;
-
- tvn = zr->timing;
-
- /* assert P_Reset, disable code transfer, deassert Active */
- btwrite(0, ZR36057_JPC);
-
- /* MJPEG compression mode */
- switch (mode) {
-
- case BUZ_MODE_MOTION_COMPRESS:
- default:
- reg = ZR36057_JMC_MJPGCmpMode;
- break;
-
- case BUZ_MODE_MOTION_DECOMPRESS:
- reg = ZR36057_JMC_MJPGExpMode;
- reg |= ZR36057_JMC_SyncMstr;
- /* RJ: The following is experimental - improves the output to screen */
- //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM
- break;
-
- case BUZ_MODE_STILL_COMPRESS:
- reg = ZR36057_JMC_JPGCmpMode;
- break;
-
- case BUZ_MODE_STILL_DECOMPRESS:
- reg = ZR36057_JMC_JPGExpMode;
- break;
-
- }
- reg |= ZR36057_JMC_JPG;
- if (zr->jpg_settings.field_per_buff == 1)
- reg |= ZR36057_JMC_Fld_per_buff;
- btwrite(reg, ZR36057_JMC);
-
- /* vertical */
- btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR);
- reg = (6 << ZR36057_VSP_VsyncSize) |
- (tvn->Ht << ZR36057_VSP_FrmTot);
- btwrite(reg, ZR36057_VSP);
- reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) |
- (zr->jpg_settings.img_height << ZR36057_FVAP_PAY);
- btwrite(reg, ZR36057_FVAP);
-
- /* horizontal */
- if (zr->card.vfe_pol.hsync_pol)
- btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR);
- else
- btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR);
- reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) |
- (tvn->Wt << ZR36057_HSP_LineTot);
- btwrite(reg, ZR36057_HSP);
- reg = ((zr->jpg_settings.img_x +
- tvn->HStart + 4) << ZR36057_FHAP_NAX) |
- (zr->jpg_settings.img_width << ZR36057_FHAP_PAX);
- btwrite(reg, ZR36057_FHAP);
-
- /* field process parameters */
- if (zr->jpg_settings.odd_even)
- reg = ZR36057_FPP_Odd_Even;
- else
- reg = 0;
-
- btwrite(reg, ZR36057_FPP);
-
- /* Set proper VCLK Polarity, else colors will be wrong during playback */
- //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR);
-
- /* code base address */
- reg = virt_to_bus(zr->stat_com);
- btwrite(reg, ZR36057_JCBA);
-
- /* FIFO threshold (FIFO is 160. double words) */
- /* NOTE: decimal values here */
- switch (mode) {
-
- case BUZ_MODE_STILL_COMPRESS:
- case BUZ_MODE_MOTION_COMPRESS:
- if (zr->card.type != BUZ)
- reg = 140;
- else
- reg = 60;
- break;
-
- case BUZ_MODE_STILL_DECOMPRESS:
- case BUZ_MODE_MOTION_DECOMPRESS:
- reg = 20;
- break;
-
- default:
- reg = 80;
- break;
-
- }
- btwrite(reg, ZR36057_JCFT);
- zr36057_adjust_vfe(zr, mode);
-
-}
-
-void
-print_interrupts (struct zoran *zr)
-{
- int res, noerr = 0;
-
- printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr));
- if ((res = zr->field_counter) < -1 || res > 1) {
- printk(" FD:%d", res);
- }
- if ((res = zr->intr_counter_GIRQ1) != 0) {
- printk(" GIRQ1:%d", res);
- noerr++;
- }
- if ((res = zr->intr_counter_GIRQ0) != 0) {
- printk(" GIRQ0:%d", res);
- noerr++;
- }
- if ((res = zr->intr_counter_CodRepIRQ) != 0) {
- printk(" CodRepIRQ:%d", res);
- noerr++;
- }
- if ((res = zr->intr_counter_JPEGRepIRQ) != 0) {
- printk(" JPEGRepIRQ:%d", res);
- noerr++;
- }
- if (zr->JPEG_max_missed) {
- printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed,
- zr->JPEG_min_missed);
- }
- if (zr->END_event_missed) {
- printk(" ENDs missed: %d", zr->END_event_missed);
- }
- //if (zr->jpg_queued_num) {
- printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail,
- zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head);
- //}
- if (!noerr) {
- printk(": no interrupts detected.");
- }
- printk("\n");
-}
-
-void
-clear_interrupt_counters (struct zoran *zr)
-{
- zr->intr_counter_GIRQ1 = 0;
- zr->intr_counter_GIRQ0 = 0;
- zr->intr_counter_CodRepIRQ = 0;
- zr->intr_counter_JPEGRepIRQ = 0;
- zr->field_counter = 0;
- zr->IRQ1_in = 0;
- zr->IRQ1_out = 0;
- zr->JPEG_in = 0;
- zr->JPEG_out = 0;
- zr->JPEG_0 = 0;
- zr->JPEG_1 = 0;
- zr->END_event_missed = 0;
- zr->JPEG_missed = 0;
- zr->JPEG_max_missed = 0;
- zr->JPEG_min_missed = 0x7fffffff;
-}
-
-static u32
-count_reset_interrupt (struct zoran *zr)
-{
- u32 isr;
-
- if ((isr = btread(ZR36057_ISR) & 0x78000000)) {
- if (isr & ZR36057_ISR_GIRQ1) {
- btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR);
- zr->intr_counter_GIRQ1++;
- }
- if (isr & ZR36057_ISR_GIRQ0) {
- btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR);
- zr->intr_counter_GIRQ0++;
- }
- if (isr & ZR36057_ISR_CodRepIRQ) {
- btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR);
- zr->intr_counter_CodRepIRQ++;
- }
- if (isr & ZR36057_ISR_JPEGRepIRQ) {
- btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR);
- zr->intr_counter_JPEGRepIRQ++;
- }
- }
- return isr;
-}
-
-void
-jpeg_start (struct zoran *zr)
-{
- int reg;
-
- zr->frame_num = 0;
-
- /* deassert P_reset, disable code transfer, deassert Active */
- btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC);
- /* stop flushing the internal code buffer */
- btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR);
- /* enable code transfer */
- btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC);
-
- /* clear IRQs */
- btwrite(IRQ_MASK, ZR36057_ISR);
- /* enable the JPEG IRQs */
- btwrite(zr->card.jpeg_int |
- ZR36057_ICR_JPEGRepIRQ |
- ZR36057_ICR_IntPinEn,
- ZR36057_ICR);
-
- set_frame(zr, 0); // \FRAME
-
- /* set the JPEG codec guest ID */
- reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) |
- (0 << ZR36057_JCGI_JPEGuestReg);
- btwrite(reg, ZR36057_JCGI);
-
- if (zr->card.video_vfe == CODEC_TYPE_ZR36016 &&
- zr->card.video_codec == CODEC_TYPE_ZR36050) {
- /* Enable processing on the ZR36016 */
- if (zr->vfe)
- zr36016_write(zr->vfe, 0, 1);
-
- /* load the address of the GO register in the ZR36050 latch */
- post_office_write(zr, 0, 0, 0);
- }
-
- /* assert Active */
- btor(ZR36057_JPC_Active, ZR36057_JPC);
-
- /* enable the Go generation */
- btor(ZR36057_JMC_Go_en, ZR36057_JMC);
- udelay(30);
-
- set_frame(zr, 1); // /FRAME
-
- dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr));
-}
-
-void
-zr36057_enable_jpg (struct zoran *zr,
- enum zoran_codec_mode mode)
-{
- static int zero;
- static int one = 1;
- struct vfe_settings cap;
- int field_size =
- zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff;
-
- zr->codec_mode = mode;
-
- cap.x = zr->jpg_settings.img_x;
- cap.y = zr->jpg_settings.img_y;
- cap.width = zr->jpg_settings.img_width;
- cap.height = zr->jpg_settings.img_height;
- cap.decimation =
- zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8);
- cap.quality = zr->jpg_settings.jpg_comp.quality;
-
- switch (mode) {
-
- case BUZ_MODE_MOTION_COMPRESS: {
- struct jpeg_app_marker app;
- struct jpeg_com_marker com;
-
- /* In motion compress mode, the decoder output must be enabled, and
- * the video bus direction set to input.
- */
- set_videobus_dir(zr, 0);
- decoder_command(zr, DECODER_ENABLE_OUTPUT, &one);
- encoder_command(zr, ENCODER_SET_INPUT, &zero);
-
- /* Take the JPEG codec and the VFE out of sleep */
- jpeg_codec_sleep(zr, 0);
-
- /* set JPEG app/com marker */
- app.appn = zr->jpg_settings.jpg_comp.APPn;
- app.len = zr->jpg_settings.jpg_comp.APP_len;
- memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60);
- zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA,
- sizeof(struct jpeg_app_marker), &app);
-
- com.len = zr->jpg_settings.jpg_comp.COM_len;
- memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60);
- zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA,
- sizeof(struct jpeg_com_marker), &com);
-
- /* Setup the JPEG codec */
- zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE,
- sizeof(int), &field_size);
- zr->codec->set_video(zr->codec, zr->timing, &cap,
- &zr->card.vfe_pol);
- zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION);
-
- /* Setup the VFE */
- if (zr->vfe) {
- zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE,
- sizeof(int), &field_size);
- zr->vfe->set_video(zr->vfe, zr->timing, &cap,
- &zr->card.vfe_pol);
- zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION);
- }
-
- init_jpeg_queue(zr);
- zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO
-
- clear_interrupt_counters(zr);
- dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n",
- ZR_DEVNAME(zr));
- break;
- }
-
- case BUZ_MODE_MOTION_DECOMPRESS:
- /* In motion decompression mode, the decoder output must be disabled, and
- * the video bus direction set to output.
- */
- decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero);
- set_videobus_dir(zr, 1);
- encoder_command(zr, ENCODER_SET_INPUT, &one);
-
- /* Take the JPEG codec and the VFE out of sleep */
- jpeg_codec_sleep(zr, 0);
- /* Setup the VFE */
- if (zr->vfe) {
- zr->vfe->set_video(zr->vfe, zr->timing, &cap,
- &zr->card.vfe_pol);
- zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION);
- }
- /* Setup the JPEG codec */
- zr->codec->set_video(zr->codec, zr->timing, &cap,
- &zr->card.vfe_pol);
- zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION);
-
- init_jpeg_queue(zr);
- zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO
-
- clear_interrupt_counters(zr);
- dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n",
- ZR_DEVNAME(zr));
- break;
-
- case BUZ_MODE_IDLE:
- default:
- /* shut down processing */
- btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ),
- ZR36057_ICR);
- btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ,
- ZR36057_ISR);
- btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en
-
- msleep(50);
-
- set_videobus_dir(zr, 0);
- set_frame(zr, 1); // /FRAME
- btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush
- btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active
- btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC);
- btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC);
- jpeg_codec_reset(zr);
- jpeg_codec_sleep(zr, 1);
- zr36057_adjust_vfe(zr, mode);
-
- decoder_command(zr, DECODER_ENABLE_OUTPUT, &one);
- encoder_command(zr, ENCODER_SET_INPUT, &zero);
-
- dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr));
- break;
-
- }
-}
-
-/* when this is called the spinlock must be held */
-void
-zoran_feed_stat_com (struct zoran *zr)
-{
- /* move frames from pending queue to DMA */
-
- int frame, i, max_stat_com;
-
- max_stat_com =
- (zr->jpg_settings.TmpDcm ==
- 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1);
-
- while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com &&
- zr->jpg_dma_head < zr->jpg_que_head) {
-
- frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME];
- if (zr->jpg_settings.TmpDcm == 1) {
- /* fill 1 stat_com entry */
- i = (zr->jpg_dma_head -
- zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
- if (!(zr->stat_com[i] & cpu_to_le32(1)))
- break;
- zr->stat_com[i] =
- cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus);
- } else {
- /* fill 2 stat_com entries */
- i = ((zr->jpg_dma_head -
- zr->jpg_err_shift) & 1) * 2;
- if (!(zr->stat_com[i] & cpu_to_le32(1)))
- break;
- zr->stat_com[i] =
- cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus);
- zr->stat_com[i + 1] =
- cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus);
- }
- zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA;
- zr->jpg_dma_head++;
-
- }
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS)
- zr->jpg_queued_num++;
-}
-
-/* when this is called the spinlock must be held */
-static void
-zoran_reap_stat_com (struct zoran *zr)
-{
- /* move frames from DMA queue to done queue */
-
- int i;
- u32 stat_com;
- unsigned int seq;
- unsigned int dif;
- struct zoran_jpg_buffer *buffer;
- int frame;
-
- /* In motion decompress we don't have a hardware frame counter,
- * we just count the interrupts here */
-
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) {
- zr->jpg_seq_num++;
- }
- while (zr->jpg_dma_tail < zr->jpg_dma_head) {
- if (zr->jpg_settings.TmpDcm == 1)
- i = (zr->jpg_dma_tail -
- zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
- else
- i = ((zr->jpg_dma_tail -
- zr->jpg_err_shift) & 1) * 2 + 1;
-
- stat_com = le32_to_cpu(zr->stat_com[i]);
-
- if ((stat_com & 1) == 0) {
- return;
- }
- frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME];
- buffer = &zr->jpg_buffers.buffer[frame];
- do_gettimeofday(&buffer->bs.timestamp);
-
- if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- buffer->bs.length = (stat_com & 0x7fffff) >> 1;
-
- /* update sequence number with the help of the counter in stat_com */
-
- seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff;
- dif = (seq - zr->jpg_seq_num) & 0xff;
- zr->jpg_seq_num += dif;
- } else {
- buffer->bs.length = 0;
- }
- buffer->bs.seq =
- zr->jpg_settings.TmpDcm ==
- 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num;
- buffer->state = BUZ_STATE_DONE;
-
- zr->jpg_dma_tail++;
- }
-}
-
-static void
-error_handler (struct zoran *zr,
- u32 astat,
- u32 stat)
-{
- /* This is JPEG error handling part */
- if ((zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) &&
- (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS)) {
- //dprintk(1, KERN_ERR "%s: Internal error: error handling request in mode %d\n", ZR_DEVNAME(zr), zr->codec_mode);
- return;
- }
-
- if ((stat & 1) == 0 &&
- zr->codec_mode == BUZ_MODE_MOTION_COMPRESS &&
- zr->jpg_dma_tail - zr->jpg_que_tail >=
- zr->jpg_buffers.num_buffers) {
- /* No free buffers... */
- zoran_reap_stat_com(zr);
- zoran_feed_stat_com(zr);
- wake_up_interruptible(&zr->jpg_capq);
- zr->JPEG_missed = 0;
- return;
- }
-
- if (zr->JPEG_error != 1) {
- /*
- * First entry: error just happened during normal operation
- *
- * In BUZ_MODE_MOTION_COMPRESS:
- *
- * Possible glitch in TV signal. In this case we should
- * stop the codec and wait for good quality signal before
- * restarting it to avoid further problems
- *
- * In BUZ_MODE_MOTION_DECOMPRESS:
- *
- * Bad JPEG frame: we have to mark it as processed (codec crashed
- * and was not able to do it itself), and to remove it from queue.
- */
- btand(~ZR36057_JMC_Go_en, ZR36057_JMC);
- udelay(1);
- stat = stat | (post_office_read(zr, 7, 0) & 3) << 8;
- btwrite(0, ZR36057_JPC);
- btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR);
- jpeg_codec_reset(zr);
- jpeg_codec_sleep(zr, 1);
- zr->JPEG_error = 1;
- zr->num_errors++;
-
- /* Report error */
- if (zr36067_debug > 1 && zr->num_errors <= 8) {
- long frame;
- frame =
- zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME];
- printk(KERN_ERR
- "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ",
- ZR_DEVNAME(zr), stat, zr->last_isr,
- zr->jpg_que_tail, zr->jpg_dma_tail,
- zr->jpg_dma_head, zr->jpg_que_head,
- zr->jpg_seq_num, frame);
- printk("stat_com frames:");
- {
- int i, j;
- for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
- for (i = 0;
- i < zr->jpg_buffers.num_buffers;
- i++) {
- if (le32_to_cpu(zr->stat_com[j]) ==
- zr->jpg_buffers.
- buffer[i].
- frag_tab_bus) {
- printk("% d->%d",
- j, i);
- }
- }
- }
- printk("\n");
- }
- }
- /* Find an entry in stat_com and rotate contents */
- {
- int i;
-
- if (zr->jpg_settings.TmpDcm == 1)
- i = (zr->jpg_dma_tail -
- zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
- else
- i = ((zr->jpg_dma_tail -
- zr->jpg_err_shift) & 1) * 2;
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) {
- /* Mimic zr36067 operation */
- zr->stat_com[i] |= cpu_to_le32(1);
- if (zr->jpg_settings.TmpDcm != 1)
- zr->stat_com[i + 1] |= cpu_to_le32(1);
- /* Refill */
- zoran_reap_stat_com(zr);
- zoran_feed_stat_com(zr);
- wake_up_interruptible(&zr->jpg_capq);
- /* Find an entry in stat_com again after refill */
- if (zr->jpg_settings.TmpDcm == 1)
- i = (zr->jpg_dma_tail -
- zr->jpg_err_shift) &
- BUZ_MASK_STAT_COM;
- else
- i = ((zr->jpg_dma_tail -
- zr->jpg_err_shift) & 1) * 2;
- }
- if (i) {
- /* Rotate stat_comm entries to make current entry first */
- int j;
- __le32 bus_addr[BUZ_NUM_STAT_COM];
-
- /* Here we are copying the stat_com array, which
- * is already in little endian format, so
- * no endian conversions here
- */
- memcpy(bus_addr, zr->stat_com,
- sizeof(bus_addr));
- for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
- zr->stat_com[j] =
- bus_addr[(i + j) &
- BUZ_MASK_STAT_COM];
-
- }
- zr->jpg_err_shift += i;
- zr->jpg_err_shift &= BUZ_MASK_STAT_COM;
- }
- if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)
- zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */
- }
- }
-
- /* Now the stat_comm buffer is ready for restart */
- do {
- int status, mode;
-
- if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- decoder_command(zr, DECODER_GET_STATUS, &status);
- mode = CODEC_DO_COMPRESSION;
- } else {
- status = 0;
- mode = CODEC_DO_EXPANSION;
- }
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
- (status & DECODER_STATUS_GOOD)) {
- /********** RESTART code *************/
- jpeg_codec_reset(zr);
- zr->codec->set_mode(zr->codec, mode);
- zr36057_set_jpg(zr, zr->codec_mode);
- jpeg_start(zr);
-
- if (zr->num_errors <= 8)
- dprintk(2, KERN_INFO "%s: Restart\n",
- ZR_DEVNAME(zr));
-
- zr->JPEG_missed = 0;
- zr->JPEG_error = 2;
- /********** End RESTART code ***********/
- }
- } while (0);
-}
-
-irqreturn_t
-zoran_irq (int irq,
- void *dev_id)
-{
- u32 stat, astat;
- int count;
- struct zoran *zr;
- unsigned long flags;
-
- zr = dev_id;
- count = 0;
-
- if (zr->testing) {
- /* Testing interrupts */
- spin_lock_irqsave(&zr->spinlock, flags);
- while ((stat = count_reset_interrupt(zr))) {
- if (count++ > 100) {
- btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR);
- dprintk(1,
- KERN_ERR
- "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n",
- ZR_DEVNAME(zr), stat);
- wake_up_interruptible(&zr->test_q);
- }
- }
- zr->last_isr = stat;
- spin_unlock_irqrestore(&zr->spinlock, flags);
- return IRQ_HANDLED;
- }
-
- spin_lock_irqsave(&zr->spinlock, flags);
- while (1) {
- /* get/clear interrupt status bits */
- stat = count_reset_interrupt(zr);
- astat = stat & IRQ_MASK;
- if (!astat) {
- break;
- }
- dprintk(4,
- KERN_DEBUG
- "zoran_irq: astat: 0x%08x, mask: 0x%08x\n",
- astat, btread(ZR36057_ICR));
- if (astat & zr->card.vsync_int) { // SW
-
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
- zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- /* count missed interrupts */
- zr->JPEG_missed++;
- }
- //post_office_read(zr,1,0);
- /* Interrupts may still happen when
- * zr->v4l_memgrab_active is switched off.
- * We simply ignore them */
-
- if (zr->v4l_memgrab_active) {
-
- /* A lot more checks should be here ... */
- if ((btread(ZR36057_VSSFGR) &
- ZR36057_VSSFGR_SnapShot) == 0)
- dprintk(1,
- KERN_WARNING
- "%s: BuzIRQ with SnapShot off ???\n",
- ZR_DEVNAME(zr));
-
- if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) {
- /* There is a grab on a frame going on, check if it has finished */
-
- if ((btread(ZR36057_VSSFGR) &
- ZR36057_VSSFGR_FrameGrab) ==
- 0) {
- /* it is finished, notify the user */
-
- zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE;
- zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq;
- do_gettimeofday(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp);
- zr->v4l_grab_frame = NO_GRAB_ACTIVE;
- zr->v4l_pend_tail++;
- }
- }
-
- if (zr->v4l_grab_frame == NO_GRAB_ACTIVE)
- wake_up_interruptible(&zr->v4l_capq);
-
- /* Check if there is another grab queued */
-
- if (zr->v4l_grab_frame == NO_GRAB_ACTIVE &&
- zr->v4l_pend_tail != zr->v4l_pend_head) {
-
- int frame = zr->v4l_pend[zr->v4l_pend_tail &
- V4L_MASK_FRAME];
- u32 reg;
-
- zr->v4l_grab_frame = frame;
-
- /* Set zr36057 video front end and enable video */
-
- /* Buffer address */
-
- reg =
- zr->v4l_buffers.buffer[frame].
- fbuffer_bus;
- btwrite(reg, ZR36057_VDTR);
- if (zr->v4l_settings.height >
- BUZ_MAX_HEIGHT / 2)
- reg +=
- zr->v4l_settings.
- bytesperline;
- btwrite(reg, ZR36057_VDBR);
-
- /* video stride, status, and frame grab register */
- reg = 0;
- if (zr->v4l_settings.height >
- BUZ_MAX_HEIGHT / 2)
- reg +=
- zr->v4l_settings.
- bytesperline;
- reg =
- (reg <<
- ZR36057_VSSFGR_DispStride);
- reg |= ZR36057_VSSFGR_VidOvf;
- reg |= ZR36057_VSSFGR_SnapShot;
- reg |= ZR36057_VSSFGR_FrameGrab;
- btwrite(reg, ZR36057_VSSFGR);
-
- btor(ZR36057_VDCR_VidEn,
- ZR36057_VDCR);
- }
- }
-
- /* even if we don't grab, we do want to increment
- * the sequence counter to see lost frames */
- zr->v4l_grab_seq++;
- }
-#if (IRQ_MASK & ZR36057_ISR_CodRepIRQ)
- if (astat & ZR36057_ISR_CodRepIRQ) {
- zr->intr_counter_CodRepIRQ++;
- IDEBUG(printk
- (KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n",
- ZR_DEVNAME(zr)));
- btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR);
- }
-#endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */
-
-#if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ)
- if (astat & ZR36057_ISR_JPEGRepIRQ) {
-
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
- zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- if (zr36067_debug > 1 &&
- (!zr->frame_num || zr->JPEG_error)) {
- printk(KERN_INFO
- "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n",
- ZR_DEVNAME(zr), stat,
- zr->jpg_settings.odd_even,
- zr->jpg_settings.
- field_per_buff,
- zr->JPEG_missed);
- {
- char sc[] = "0000";
- char sv[5];
- int i;
- strcpy(sv, sc);
- for (i = 0; i < 4; i++) {
- if (le32_to_cpu(zr->stat_com[i]) & 1)
- sv[i] = '1';
- }
- sv[4] = 0;
- printk(KERN_INFO
- "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n",
- ZR_DEVNAME(zr), sv,
- zr->jpg_que_tail,
- zr->jpg_dma_tail,
- zr->jpg_dma_head,
- zr->jpg_que_head);
- }
- } else {
- if (zr->JPEG_missed > zr->JPEG_max_missed) // Get statistics
- zr->JPEG_max_missed =
- zr->JPEG_missed;
- if (zr->JPEG_missed <
- zr->JPEG_min_missed)
- zr->JPEG_min_missed =
- zr->JPEG_missed;
- }
-
- if (zr36067_debug > 2 && zr->frame_num < 6) {
- int i;
- printk("%s: seq=%ld stat_com:",
- ZR_DEVNAME(zr), zr->jpg_seq_num);
- for (i = 0; i < 4; i++) {
- printk(" %08x",
- le32_to_cpu(zr->stat_com[i]));
- }
- printk("\n");
- }
- zr->frame_num++;
- zr->JPEG_missed = 0;
- zr->JPEG_error = 0;
- zoran_reap_stat_com(zr);
- zoran_feed_stat_com(zr);
- wake_up_interruptible(&zr->jpg_capq);
- } /*else {
- dprintk(1,
- KERN_ERR
- "%s: JPEG interrupt while not in motion (de)compress mode!\n",
- ZR_DEVNAME(zr));
- }*/
- }
-#endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */
-
- /* DATERR, too many fields missed, error processing */
- if ((astat & zr->card.jpeg_int) ||
- zr->JPEG_missed > 25 ||
- zr->JPEG_error == 1 ||
- ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) &&
- (zr->frame_num & (zr->JPEG_missed >
- zr->jpg_settings.field_per_buff)))) {
- error_handler(zr, astat, stat);
- }
-
- count++;
- if (count > 10) {
- dprintk(2, KERN_WARNING "%s: irq loop %d\n",
- ZR_DEVNAME(zr), count);
- if (count > 20) {
- btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR);
- dprintk(2,
- KERN_ERR
- "%s: IRQ lockup, cleared int mask\n",
- ZR_DEVNAME(zr));
- break;
- }
- }
- zr->last_isr = stat;
- }
- spin_unlock_irqrestore(&zr->spinlock, flags);
-
- return IRQ_HANDLED;
-}
-
-void
-zoran_set_pci_master (struct zoran *zr,
- int set_master)
-{
- if (set_master) {
- pci_set_master(zr->pci_dev);
- } else {
- u16 command;
-
- pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command);
- command &= ~PCI_COMMAND_MASTER;
- pci_write_config_word(zr->pci_dev, PCI_COMMAND, command);
- }
-}
-
-void
-zoran_init_hardware (struct zoran *zr)
-{
- int j, zero = 0;
-
- /* Enable bus-mastering */
- zoran_set_pci_master(zr, 1);
-
- /* Initialize the board */
- if (zr->card.init) {
- zr->card.init(zr);
- }
-
- j = zr->card.input[zr->input].muxsel;
-
- decoder_command(zr, 0, NULL);
- decoder_command(zr, DECODER_SET_NORM, &zr->norm);
- decoder_command(zr, DECODER_SET_INPUT, &j);
-
- encoder_command(zr, 0, NULL);
- encoder_command(zr, ENCODER_SET_NORM, &zr->norm);
- encoder_command(zr, ENCODER_SET_INPUT, &zero);
-
- /* toggle JPEG codec sleep to sync PLL */
- jpeg_codec_sleep(zr, 1);
- jpeg_codec_sleep(zr, 0);
-
- /* set individual interrupt enables (without GIRQ1)
- * but don't global enable until zoran_open() */
-
- //btwrite(IRQ_MASK & ~ZR36057_ISR_GIRQ1, ZR36057_ICR); // SW
- // It looks like using only JPEGRepIRQEn is not always reliable,
- // may be when JPEG codec crashes it won't generate IRQ? So,
- /*CP*/ // btwrite(IRQ_MASK, ZR36057_ICR); // Enable Vsync interrupts too. SM WHY ? LP
- zr36057_init_vfe(zr);
-
- zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
-
- btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts
-}
-
-void
-zr36057_restart (struct zoran *zr)
-{
- btwrite(0, ZR36057_SPGPPCR);
- mdelay(1);
- btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR);
- mdelay(1);
-
- /* assert P_Reset */
- btwrite(0, ZR36057_JPC);
- /* set up GPIO direction - all output */
- btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR);
-
- /* set up GPIO pins and guest bus timing */
- btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1);
-}
-
-/*
- * initialize video front end
- */
-
-static void
-zr36057_init_vfe (struct zoran *zr)
-{
- u32 reg;
-
- reg = btread(ZR36057_VFESPFR);
- reg |= ZR36057_VFESPFR_LittleEndian;
- reg &= ~ZR36057_VFESPFR_VCLKPol;
- reg |= ZR36057_VFESPFR_ExtFl;
- reg |= ZR36057_VFESPFR_TopField;
- btwrite(reg, ZR36057_VFESPFR);
- reg = btread(ZR36057_VDCR);
- if (pci_pci_problems & PCIPCI_TRITON)
- // || zr->revision < 1) // Revision 1 has also Triton support
- reg &= ~ZR36057_VDCR_Triton;
- else
- reg |= ZR36057_VDCR_Triton;
- btwrite(reg, ZR36057_VDCR);
-}
-
-/*
- * Interface to decoder and encoder chips using i2c bus
- */
-
-int
-decoder_command (struct zoran *zr,
- int cmd,
- void *data)
-{
- if (zr->decoder == NULL)
- return -EIO;
-
- if (zr->card.type == LML33 &&
- (cmd == DECODER_SET_NORM || cmd == DECODER_SET_INPUT)) {
- int res;
-
- // Bt819 needs to reset its FIFO buffer using #FRST pin and
- // LML33 card uses GPIO(7) for that.
- GPIO(zr, 7, 0);
- res = zr->decoder->driver->command(zr->decoder, cmd, data);
- // Pull #FRST high.
- GPIO(zr, 7, 1);
- return res;
- } else
- return zr->decoder->driver->command(zr->decoder, cmd,
- data);
-}
-
-int
-encoder_command (struct zoran *zr,
- int cmd,
- void *data)
-{
- if (zr->encoder == NULL)
- return -1;
-
- return zr->encoder->driver->command(zr->encoder, cmd, data);
-}

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