![Linus Torvalds](/assets/img/avatar_default.png)
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
1786 lines
45 KiB
C
1786 lines
45 KiB
C
/*
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* Zoran zr36057/zr36067 PCI controller driver, for the
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* Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
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* Media Labs LML33/LML33R10.
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*
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* This part handles device access (PCI/I2C/codec/...)
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*
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* Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
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*
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* Currently maintained by:
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* Ronald Bultje <rbultje@ronald.bitfreak.net>
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* Laurent Pinchart <laurent.pinchart@skynet.be>
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* Mailinglist <mjpeg-users@lists.sf.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/config.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/vmalloc.h>
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#include <linux/byteorder/generic.h>
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#include <linux/interrupt.h>
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#include <linux/proc_fs.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/videodev.h>
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#include <linux/spinlock.h>
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#include <linux/sem.h>
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#include <linux/pci.h>
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#include <linux/video_decoder.h>
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#include <linux/video_encoder.h>
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#include <linux/delay.h>
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#include <linux/wait.h>
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#include <asm/io.h>
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#include "videocodec.h"
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#include "zoran.h"
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#include "zoran_device.h"
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#define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \
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ZR36057_ISR_GIRQ1 | \
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ZR36057_ISR_JPEGRepIRQ )
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extern const struct zoran_format zoran_formats[];
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extern int *zr_debug;
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#define dprintk(num, format, args...) \
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do { \
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if (*zr_debug >= num) \
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printk(format, ##args); \
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} while (0)
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static int lml33dpath = 0; /* 1 will use digital path in capture
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* mode instead of analog. It can be
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* used for picture adjustments using
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* tool like xawtv while watching image
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* on TV monitor connected to the output.
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* However, due to absence of 75 Ohm
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* load on Bt819 input, there will be
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* some image imperfections */
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module_param(lml33dpath, bool, 0);
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MODULE_PARM_DESC(lml33dpath,
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"Use digital path capture mode (on LML33 cards)");
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static void
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zr36057_init_vfe (struct zoran *zr);
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/*
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* General Purpose I/O and Guest bus access
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*/
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/*
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* This is a bit tricky. When a board lacks a GPIO function, the corresponding
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* GPIO bit number in the card_info structure is set to 0.
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*/
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void
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GPIO (struct zoran *zr,
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int bit,
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unsigned int value)
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{
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u32 reg;
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u32 mask;
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/* Make sure the bit number is legal
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* A bit number of -1 (lacking) gives a mask of 0,
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* making it harmless */
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mask = (1 << (24 + bit)) & 0xff000000;
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reg = btread(ZR36057_GPPGCR1) & ~mask;
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if (value) {
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reg |= mask;
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}
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btwrite(reg, ZR36057_GPPGCR1);
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udelay(1);
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}
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/*
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* Wait til post office is no longer busy
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*/
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int
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post_office_wait (struct zoran *zr)
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{
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u32 por;
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// while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) {
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while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) {
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/* wait for something to happen */
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}
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if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) {
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/* In LML33/BUZ \GWS line is not connected, so it has always timeout set */
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dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr),
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por);
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return -1;
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}
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return 0;
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}
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int
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post_office_write (struct zoran *zr,
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unsigned int guest,
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unsigned int reg,
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unsigned int value)
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{
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u32 por;
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por =
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ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) |
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((reg & 7) << 16) | (value & 0xFF);
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btwrite(por, ZR36057_POR);
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return post_office_wait(zr);
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}
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int
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post_office_read (struct zoran *zr,
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unsigned int guest,
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unsigned int reg)
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{
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u32 por;
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por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16);
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btwrite(por, ZR36057_POR);
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if (post_office_wait(zr) < 0) {
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return -1;
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}
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return btread(ZR36057_POR) & 0xFF;
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}
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/*
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* detect guests
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*/
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static void
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dump_guests (struct zoran *zr)
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{
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if (*zr_debug > 2) {
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int i, guest[8];
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for (i = 1; i < 8; i++) { // Don't read jpeg codec here
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guest[i] = post_office_read(zr, i, 0);
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}
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printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
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for (i = 1; i < 8; i++) {
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printk(" 0x%02x", guest[i]);
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}
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printk("\n");
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}
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}
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static inline unsigned long
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get_time (void)
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{
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struct timeval tv;
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do_gettimeofday(&tv);
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return (1000000 * tv.tv_sec + tv.tv_usec);
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}
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void
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detect_guest_activity (struct zoran *zr)
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{
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int timeout, i, j, res, guest[8], guest0[8], change[8][3];
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unsigned long t0, t1;
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dump_guests(zr);
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printk(KERN_INFO "%s: Detecting guests activity, please wait...\n",
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ZR_DEVNAME(zr));
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for (i = 1; i < 8; i++) { // Don't read jpeg codec here
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guest0[i] = guest[i] = post_office_read(zr, i, 0);
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}
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timeout = 0;
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j = 0;
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t0 = get_time();
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while (timeout < 10000) {
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udelay(10);
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timeout++;
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for (i = 1; (i < 8) && (j < 8); i++) {
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res = post_office_read(zr, i, 0);
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if (res != guest[i]) {
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t1 = get_time();
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change[j][0] = (t1 - t0);
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t0 = t1;
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change[j][1] = i;
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change[j][2] = res;
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j++;
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guest[i] = res;
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}
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}
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if (j >= 8)
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break;
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}
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printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
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for (i = 1; i < 8; i++) {
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printk(" 0x%02x", guest0[i]);
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}
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printk("\n");
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if (j == 0) {
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printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr));
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return;
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}
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for (i = 0; i < j; i++) {
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printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr),
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change[i][0], change[i][1], change[i][2]);
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}
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}
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/*
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* JPEG Codec access
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*/
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void
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jpeg_codec_sleep (struct zoran *zr,
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int sleep)
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{
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GPIO(zr, zr->card.gpio[GPIO_JPEG_SLEEP], !sleep);
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if (!sleep) {
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dprintk(3,
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KERN_DEBUG
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"%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n",
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ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1));
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udelay(500);
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} else {
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dprintk(3,
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KERN_DEBUG
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"%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n",
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ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1));
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udelay(2);
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}
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}
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int
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jpeg_codec_reset (struct zoran *zr)
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{
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/* Take the codec out of sleep */
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jpeg_codec_sleep(zr, 0);
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if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) {
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post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0,
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0);
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udelay(2);
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} else {
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GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 0);
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udelay(2);
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GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 1);
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udelay(2);
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}
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return 0;
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}
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/*
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* Set the registers for the size we have specified. Don't bother
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* trying to understand this without the ZR36057 manual in front of
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* you [AC].
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*
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* PS: The manual is free for download in .pdf format from
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* www.zoran.com - nicely done those folks.
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*/
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static void
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zr36057_adjust_vfe (struct zoran *zr,
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enum zoran_codec_mode mode)
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{
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u32 reg;
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switch (mode) {
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case BUZ_MODE_MOTION_DECOMPRESS:
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btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
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reg = btread(ZR36057_VFEHCR);
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if ((reg & (1 << 10)) && zr->card.type != LML33R10) {
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reg += ((1 << 10) | 1);
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}
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btwrite(reg, ZR36057_VFEHCR);
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break;
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case BUZ_MODE_MOTION_COMPRESS:
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case BUZ_MODE_IDLE:
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default:
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if (zr->norm == VIDEO_MODE_NTSC ||
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(zr->card.type == LML33R10 &&
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zr->norm == VIDEO_MODE_PAL))
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btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
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else
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btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR);
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reg = btread(ZR36057_VFEHCR);
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if (!(reg & (1 << 10)) && zr->card.type != LML33R10) {
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reg -= ((1 << 10) | 1);
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}
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btwrite(reg, ZR36057_VFEHCR);
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break;
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}
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}
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/*
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* set geometry
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*/
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static void
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zr36057_set_vfe (struct zoran *zr,
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int video_width,
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int video_height,
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const struct zoran_format *format)
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{
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struct tvnorm *tvn;
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unsigned HStart, HEnd, VStart, VEnd;
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unsigned DispMode;
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unsigned VidWinWid, VidWinHt;
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unsigned hcrop1, hcrop2, vcrop1, vcrop2;
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unsigned Wa, We, Ha, He;
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unsigned X, Y, HorDcm, VerDcm;
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u32 reg;
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unsigned mask_line_size;
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tvn = zr->timing;
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Wa = tvn->Wa;
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Ha = tvn->Ha;
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dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n",
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ZR_DEVNAME(zr), video_width, video_height);
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if (zr->norm != VIDEO_MODE_PAL &&
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zr->norm != VIDEO_MODE_NTSC &&
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zr->norm != VIDEO_MODE_SECAM) {
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dprintk(1,
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KERN_ERR "%s: set_vfe() - norm = %d not valid\n",
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ZR_DEVNAME(zr), zr->norm);
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return;
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}
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if (video_width < BUZ_MIN_WIDTH ||
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video_height < BUZ_MIN_HEIGHT ||
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video_width > Wa || video_height > Ha) {
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dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n",
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ZR_DEVNAME(zr), video_width, video_height);
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return;
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}
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/**** zr36057 ****/
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/* horizontal */
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VidWinWid = video_width;
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X = (VidWinWid * 64 + tvn->Wa - 1) / tvn->Wa;
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We = (VidWinWid * 64) / X;
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HorDcm = 64 - X;
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hcrop1 = 2 * ((tvn->Wa - We) / 4);
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hcrop2 = tvn->Wa - We - hcrop1;
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HStart = tvn->HStart ? tvn->HStart : 1;
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/* (Ronald) Original comment:
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* "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+"
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* this is false. It inverses chroma values on the LML33R10 (so Cr
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* suddenly is shown as Cb and reverse, really cool effect if you
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* want to see blue faces, not useful otherwise). So don't use |1.
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* However, the DC10 has '0' as HStart, but does need |1, so we
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* use a dirty check...
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*/
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HEnd = HStart + tvn->Wa - 1;
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HStart += hcrop1;
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HEnd -= hcrop2;
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reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart)
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| ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd);
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if (zr->card.vfe_pol.hsync_pol)
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reg |= ZR36057_VFEHCR_HSPol;
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btwrite(reg, ZR36057_VFEHCR);
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/* Vertical */
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DispMode = !(video_height > BUZ_MAX_HEIGHT / 2);
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VidWinHt = DispMode ? video_height : video_height / 2;
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Y = (VidWinHt * 64 * 2 + tvn->Ha - 1) / tvn->Ha;
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He = (VidWinHt * 64) / Y;
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VerDcm = 64 - Y;
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vcrop1 = (tvn->Ha / 2 - He) / 2;
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vcrop2 = tvn->Ha / 2 - He - vcrop1;
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VStart = tvn->VStart;
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VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP
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VStart += vcrop1;
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VEnd -= vcrop2;
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reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart)
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| ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd);
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if (zr->card.vfe_pol.vsync_pol)
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reg |= ZR36057_VFEVCR_VSPol;
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btwrite(reg, ZR36057_VFEVCR);
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/* scaler and pixel format */
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reg = 0;
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reg |= (HorDcm << ZR36057_VFESPFR_HorDcm);
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reg |= (VerDcm << ZR36057_VFESPFR_VerDcm);
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reg |= (DispMode << ZR36057_VFESPFR_DispMode);
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if (format->palette != VIDEO_PALETTE_YUV422)
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reg |= ZR36057_VFESPFR_LittleEndian;
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/* RJ: I don't know, why the following has to be the opposite
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* of the corresponding ZR36060 setting, but only this way
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* we get the correct colors when uncompressing to the screen */
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//reg |= ZR36057_VFESPFR_VCLKPol; /**/
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/* RJ: Don't know if that is needed for NTSC also */
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if (zr->norm != VIDEO_MODE_NTSC)
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reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang
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reg |= ZR36057_VFESPFR_TopField;
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switch (format->palette) {
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|
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case VIDEO_PALETTE_YUV422:
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reg |= ZR36057_VFESPFR_YUV422;
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break;
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|
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case VIDEO_PALETTE_RGB555:
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reg |= ZR36057_VFESPFR_RGB555 | ZR36057_VFESPFR_ErrDif;
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break;
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|
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case VIDEO_PALETTE_RGB565:
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reg |= ZR36057_VFESPFR_RGB565 | ZR36057_VFESPFR_ErrDif;
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break;
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|
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case VIDEO_PALETTE_RGB24:
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reg |= ZR36057_VFESPFR_RGB888 | ZR36057_VFESPFR_Pack24;
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break;
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|
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case VIDEO_PALETTE_RGB32:
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reg |= ZR36057_VFESPFR_RGB888;
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break;
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|
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default:
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dprintk(1,
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KERN_INFO "%s: set_vfe() - unknown color_fmt=%x\n",
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ZR_DEVNAME(zr), format->palette);
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return;
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|
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}
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if (HorDcm >= 48) {
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reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */
|
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} else if (HorDcm >= 32) {
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reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */
|
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} else if (HorDcm >= 16) {
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reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */
|
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}
|
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btwrite(reg, ZR36057_VFESPFR);
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|
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/* display configuration */
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reg = (16 << ZR36057_VDCR_MinPix)
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| (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 = (u32) 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) {
|
|
if (btread(ZR36057_VSSFGR) &
|
|
(ZR36057_VSSFGR_SnapShot | ZR36057_VSSFGR_FrameGrab))
|
|
dprintk(1,
|
|
KERN_WARNING
|
|
"%s: zr36057_set_memgrab(1) with SnapShot or FrameGrab 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 {
|
|
zr->v4l_memgrab_active = 0;
|
|
|
|
/* switch off VSync interrupts */
|
|
btand(~zr->card.vsync_int, ZR36057_ICR); // SW
|
|
|
|
/* 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[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[GPIO_VID_DIR],
|
|
zr->card.gpio_pol[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;
|
|
}
|
|
|
|
/* hack */
|
|
extern void zr36016_write (struct videocodec *codec,
|
|
u16 reg,
|
|
u32 val);
|
|
|
|
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 = 0;
|
|
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 (*zr_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;
|
|
u32 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,
|
|
struct pt_regs *regs)
|
|
{
|
|
u32 stat, astat;
|
|
int count;
|
|
struct zoran *zr;
|
|
unsigned long flags;
|
|
|
|
zr = (struct zoran *) 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 (*zr_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 (*zr_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 || 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);
|
|
}
|