1999/0522/pc/devlml.c (diff list | history)

1999/0522/sys/src/9/pc/devlml.c:23,36 – 1999/0525/sys/src/9/pc/devlml.c:23,39 (short | long | prev | next)
1999/0520
1999/0422		// Lml 22 driver
1999/0525		#ifdef MEMMAP
1999/0517		struct { ulong pci;
1999/0518		ulong statcom;
1999/0517		ulong codedata; } lmlmap;
1999/0525		#endif
1999/0517
1999/0422		enum{
1999/0513		Qdir,
1999/0525		#ifdef MEMMAP
1999/0520		Q060,
1999/0422		Q819, Q856,
1999/0522/sys/src/9/pc/devlml.c:37,42 – 1999/0525/sys/src/9/pc/devlml.c:40,46
1999/0428		Qreg,
1999/0515		Qmap,
1999/0518		Qbuf,
1999/0525		#endif
1999/0513		Qjvideo,
1999/0422		Qjframe, };
1999/0522/sys/src/9/pc/devlml.c:43,48 – 1999/0525/sys/src/9/pc/devlml.c:47,53
1999/0422
1999/0513		static Dirtab lmldir[]={ // name, qid, size, mode
1999/0525		#ifdef MEMMAP
1999/0520		"lml060", {Q060}, 0x400, 0644,
1999/0513		"lml819", {Q819}, 0, 0644, "lml856", {Q856}, 0, 0644,
1999/0522/sys/src/9/pc/devlml.c:49,54 – 1999/0525/sys/src/9/pc/devlml.c:54,60
1999/0517		"lmlreg", {Qreg}, 0x400, 0644, "lmlmap", {Qmap}, sizeof lmlmap, 0444,
1999/0518		"lmlbuf", {Qbuf}, 0, 0644,
1999/0525		#endif
1999/0513		"jvideo", {Qjvideo}, 0, 0666,
1999/0422		"jframe", {Qjframe}, 0, 0666, };
1999/0522/sys/src/9/pc/devlml.c:75,80 – 1999/0525/sys/src/9/pc/devlml.c:81,91
1999/0424		-1, 0, 0, 0, 0 };
1999/0525		#ifndef MEMMAP #define writel(v, a) *(ulong *)(a) = (v) #define readl(a) *(ulong*)(a) #else
1999/0515		ulong writel(ulong v, ulong a) { if (debug&DBGREGS)
1999/0522/sys/src/9/pc/devlml.c:83,88 – 1999/0525/sys/src/9/pc/devlml.c:94,109
1999/0515		return *(ulong *)a = v; }
1999/0525		ulong readl(ulong a) { ulong v; v = *(ulong*)a; if (debug&DBGREGS) pprint("%.8lux (%.8lux) --> %.8lux\n", a, (ulong)a-pciBaseAddr, v); return v; }
1999/0515		ushort writew(ushort v, ulong a) { if (debug&DBGREGS)
1999/0522/sys/src/9/pc/devlml.c:99,115 – 1999/0525/sys/src/9/pc/devlml.c:120,125
1999/0515		return *(uchar *)a = v; } ulong readl(ulong a) { ulong v;                  v = *(ulong*)a; if (debug&DBGREGS)
1999/0517		pprint("%.8lux (%.8lux) --> %.8lux\n", a, (ulong)a-pciBaseAddr, v);
1999/0515		return v; }                  ushort readw(ulong a) { ushort v;
1999/0522/sys/src/9/pc/devlml.c:432,437 – 1999/0525/sys/src/9/pc/devlml.c:442,448
1999/0520		return -1; return post_read(GID060, 3); }
1999/0525		#endif
1999/0520		static int
1999/0518		prepareBuffer(int i) {
1999/0522/sys/src/9/pc/devlml.c:652,657 – 1999/0525/sys/src/9/pc/devlml.c:663,669
1999/0522		Physseg segreg; //
1999/0422		ulong regpa;
1999/0525		ulong cdsize;
1999/0422		int i;
1999/0423		pcidev = pcimatch(nil, PCI_VENDOR_ZORAN, PCI_DEVICE_ZORAN_36067);
1999/0522/sys/src/9/pc/devlml.c:658,674 – 1999/0525/sys/src/9/pc/devlml.c:670,688
1999/0423		if (pcidev == nil) { return; }
1999/0422		codeData = (CodeData*)xspanalloc(sizeof(CodeData), BY2PG, 0);
1999/0525		cdsize = (sizeof(CodeData) + BY2PG - 1) & ~(BY2PG - 1); codeData = (CodeData*)xspanalloc(cdsize, BY2PG, 0);
1999/0422		if (codeData == nil) { print("devlml: xspanalloc(%ux, %ux, 0)\n", sizeof(CodeData), BY2PG);
1999/0525		print("devlml: xspanalloc(%lux, %ux, 0)\n", cdsize, BY2PG);
1999/0422		return; } print("Installing Motion JPEG driver %s\n", MJPG_VERSION);
1999/0513		print("Buffer at 0x%.8lux, size 0x%.8ux\n", codeData, sizeof(CodeData));
1999/0525		print("Buffer at 0x%.8lux, size 0x%.8lux\n", codeData, cdsize);
1999/0422		// Get access to DMA memory buffer memset(codeData, 0xAA, sizeof(CodeData));
1999/0525		codeData->physaddr = PADDR(&(codeData->statCom[0]));
1999/0520		for (i = 0; i < NBUF; i++) {
1999/0517		codeData->statCom[i] = PADDR(&(codeData->fragdesc[i])); codeData->fragdesc[i].addr = PADDR(&(codeData->frag[i]));
1999/0522/sys/src/9/pc/devlml.c:700,708 – 1999/0525/sys/src/9/pc/devlml.c:714,724
1999/0422		// Interrupt handler
1999/0423		intrenable(pcidev->intl, lmlintr, nil, pcidev->tbdf);
1999/0422
1999/0525		#ifdef MEMMAP
1999/0515		lmlmap.pci = pciBaseAddr;
1999/0518		lmlmap.statcom = PADDR(codeData->statCom);
1999/0515		lmlmap.codedata = (ulong)codeData;
1999/0525		#endif
1999/0522		// LMLSEG memset(&segbuf, 0, sizeof(segbuf));
1999/0522/sys/src/9/pc/devlml.c:710,717 – 1999/0525/sys/src/9/pc/devlml.c:726,736
1999/0522		segbuf.name = smalloc(NAMELEN); snprint(segbuf.name, NAMELEN, "lmlmjpg"); segbuf.pa = PADDR(codeData); segbuf.size = sizeof(CodeData); addphysseg(&segbuf);
1999/0525		segbuf.size = cdsize; if (addphysseg(&segbuf) == -1) { print("lml: physsegment: lmlmjpg\n"); return; }
1999/0522		memset(&segreg, 0, sizeof(segreg)); segreg.attr = SG_PHYSICAL;
1999/0522/sys/src/9/pc/devlml.c:719,725 – 1999/0525/sys/src/9/pc/devlml.c:738,747
1999/0522		snprint(segreg.name, NAMELEN, "lmlregs"); segreg.pa = (ulong)regpa; segreg.size = pcidev->mem[0].size; addphysseg(&segreg);
1999/0525		if (addphysseg(&segreg) == -1) { print("lml: physsegment: lmlmjpg\n"); return; }
1999/0522		//
1999/0515
1999/0422		return;
1999/0522/sys/src/9/pc/devlml.c:749,754 – 1999/0525/sys/src/9/pc/devlml.c:771,777
1999/0517
1999/0422		c->aux = 0; switch(c->qid.path){
1999/0525		#ifdef MEMMAP
1999/0520		case Q060:
1999/0422		case Q819: case Q856:
1999/0522/sys/src/9/pc/devlml.c:756,761 – 1999/0525/sys/src/9/pc/devlml.c:779,785
1999/0515		case Qmap:
1999/0518		case Qbuf:
1999/0422		break;
1999/0525		#endif
1999/0422		case Qjframe:
1999/0521		case Qjvideo:
1999/0424		if (nopens)
1999/0522/sys/src/9/pc/devlml.c:776,781 – 1999/0525/sys/src/9/pc/devlml.c:800,806
1999/0518		lmlclose(Chan *c) {
1999/0422		switch(c->qid.path){
1999/0525		#ifdef MEMMAP
1999/0520		case Q060:
1999/0422		case Q819: case Q856:
1999/0522/sys/src/9/pc/devlml.c:784,789 – 1999/0525/sys/src/9/pc/devlml.c:809,815
1999/0518		case Qbuf:
1999/0515		authclose(c); break;
1999/0525		#endif
1999/0513		case Qjvideo:
1999/0422		case Qjframe:
1999/0515		nopens = 0;
1999/0522/sys/src/9/pc/devlml.c:793,799 – 1999/0525/sys/src/9/pc/devlml.c:819,827
1999/0422		static long
1999/0513		lmlread(Chan *c, void *va, long n, vlong voff) {
1999/0525		#ifdef MEMMAP
1999/0424		int i, d;
1999/0525		#endif
1999/0424		uchar *buf = va;
1999/0513		long off = voff;
1999/0423
1999/0522/sys/src/9/pc/devlml.c:802,807 – 1999/0525/sys/src/9/pc/devlml.c:830,836
1999/0513		case Qdir: return devdirread(c, (char *)buf, n, lmldir, nelem(lmldir), devgen);
1999/0525		#ifdef MEMMAP
1999/0520		case Q060: if (off < 0 || off + n > 0x400) return 0;
1999/0522/sys/src/9/pc/devlml.c:887,892 – 1999/0525/sys/src/9/pc/devlml.c:916,922
1999/0518		return 0; } return n;
1999/0525		#endif
1999/0513		case Qjvideo:
1999/0422		case Qjframe:
1999/0424		return vread(c, buf, n, off);
1999/0522/sys/src/9/pc/devlml.c:895,901 – 1999/0525/sys/src/9/pc/devlml.c:925,933
1999/0422		static long
1999/0514		lmlwrite(Chan *c, void *va, long n, vlong voff) {
1999/0525		#ifdef MEMMAP
1999/0424		int i;
1999/0525		#endif
1999/0424		uchar *buf = va;
1999/0514		long off = voff;
1999/0423
1999/0522/sys/src/9/pc/devlml.c:904,909 – 1999/0525/sys/src/9/pc/devlml.c:936,942
1999/0513		case Qdir: error(Eperm);
1999/0525		#ifdef MEMMAP
1999/0520		case Q060: if (off < 0 || off + n > 0x400) return 0;
1999/0522/sys/src/9/pc/devlml.c:977,982 – 1999/0525/sys/src/9/pc/devlml.c:1010,1016
1999/0428		return 0;
1999/0424		}
1999/0428		return n;
1999/0525		#endif
1999/0513		case Qjvideo:
1999/0423		case Qjframe:
1999/0424		return vwrite(c, buf, n, off);