1999/0513/pc/devlml.c (diff list | history)

1999/0430/sys/src/9/pc/devlml.c:11,43 – 1999/0513/sys/src/9/pc/devlml.c:11,44 (short | long | prev | next)
1999/0422		// Lml 22 driver enum{
1999/0513		Qdir,
1999/0422		Q819, Q856,
1999/0428		Qreg,
1999/0422		Qvideo,
1999/0513		Qjvideo,
1999/0422		Qjframe, }; static Dirtab viddir[]={ // name, qid, size, mode "vid819", {Q819}, 0, 0644, "vid856", {Q856}, 0, 0644,
1999/0428		"vidreg", {Qreg}, 0, 0644,
1999/0422		"video", {Qvideo}, 0, 0666,
1999/0513		static Dirtab lmldir[]={ // name, qid, size, mode "lml819", {Q819}, 0, 0644, "lml856", {Q856}, 0, 0644, "lmlreg", {Qreg}, 0, 0644, "jvideo", {Qjvideo}, 0, 0666,
1999/0422		"jframe", {Qjframe}, 0, 0666, }; CodeData * codeData;
1999/0424		int currentBuffer; int currentBufferLength;
1999/0513		int currentBuffer; int currentBufferLength;
1999/0424		void * currentBufferPtr; int frameNo;
1999/0513		int frameNo;
1999/0424		Rendez sleeper; int singleFrame; int bufferPrepared; int hdrPos; int nopens;
1999/0513		int singleFrame; int bufferPrepared; int hdrPos; int nopens;
1999/0429		uchar q856[3];
1999/0424		static FrameHeader frameHeader = {
1999/0430/sys/src/9/pc/devlml.c:455,461 – 1999/0513/sys/src/9/pc/devlml.c:456,462
1999/0423		static void lmlintr(Ureg *, void *); static void
1999/0422		vidreset(void)
1999/0513		lmlreset(void)
1999/0422		{ ulong regpa; int i;
1999/0430/sys/src/9/pc/devlml.c:462,468 – 1999/0513/sys/src/9/pc/devlml.c:463,468
1999/0422
1999/0423		pcidev = pcimatch(nil, PCI_VENDOR_ZORAN, PCI_DEVICE_ZORAN_36067); if (pcidev == nil) { print("No zr36067 found.\n"); return; }
1999/0422		codeData = (CodeData*)xspanalloc(sizeof(CodeData), BY2PG, 0);
1999/0430/sys/src/9/pc/devlml.c:472,478 – 1999/0513/sys/src/9/pc/devlml.c:472,478
1999/0422		} print("Installing Motion JPEG driver %s\n", MJPG_VERSION); print("Buffer size %ux\n", sizeof(CodeData));
1999/0513		print("Buffer at 0x%.8lux, size 0x%.8ux\n", codeData, sizeof(CodeData));
1999/0422		// Get access to DMA memory buffer memset(codeData, 0xAA, sizeof(CodeData));
1999/0430/sys/src/9/pc/devlml.c:491,497 – 1999/0513/sys/src/9/pc/devlml.c:491,497
1999/0422
1999/0423		pciPhysBaseAddr = (void *)(pcidev->mem[0].bar & ~0x0F);
1999/0422
1999/0423		print("zr36067 found at %lux\n", pciPhysBaseAddr);
1999/0513		print("zr36067 found at 0x%.8lux", pciPhysBaseAddr);
1999/0422
1999/0423		regpa = upamalloc(pcidev->mem[0].bar & ~0x0F, pcidev->mem[0].size, 0);
1999/0422		if (regpa == 0) {
1999/0430/sys/src/9/pc/devlml.c:499,504 – 1999/0513/sys/src/9/pc/devlml.c:499,505
1999/0422		return; }
1999/0423		pciBaseAddr = (ulong)KADDR(regpa);
1999/0513		print(", mapped at 0x%.8lux\n", pciBaseAddr);
1999/0422		// make sure the device will respond to mem accesses // (pcicmd_master | pcicmd_memory) -- probably superfluous
1999/0430/sys/src/9/pc/devlml.c:510,539 – 1999/0513/sys/src/9/pc/devlml.c:511,539
1999/0422		// Interrupt handler
1999/0423		intrenable(pcidev->intl, lmlintr, nil, pcidev->tbdf);
1999/0422		print("LML33 Installed\n"); return; } static Chan* vidattach(char *spec)
1999/0513		lmlattach(char *spec)
1999/0422		{ return devattach('V', spec); } static int vidwalk(Chan *c, char *name)
1999/0513		lmlwalk(Chan *c, char *name)
1999/0422		{ return devwalk(c, name, viddir, nelem(viddir), devgen);
1999/0513		return devwalk(c, name, lmldir, nelem(lmldir), devgen);
1999/0422		} static void vidstat(Chan *c, char *dp)
1999/0513		lmlstat(Chan *c, char *dp)
1999/0422		{ devstat(c, dp, viddir, nelem(viddir), devgen);
1999/0513		devstat(c, dp, lmldir, nelem(lmldir), devgen);
1999/0422		} static Chan* vidopen(Chan *c, int omode)
1999/0513		lmlopen(Chan *c, int omode)
1999/0422		{ c->aux = 0; switch(c->qid.path){
1999/0430/sys/src/9/pc/devlml.c:541,547 – 1999/0513/sys/src/9/pc/devlml.c:541,547
1999/0422		case Q856:
1999/0428		case Qreg:
1999/0422		break; case Qvideo:
1999/0513		case Qjvideo:
1999/0422		case Qjframe:
1999/0424		if (nopens) error(Einuse);
1999/0430/sys/src/9/pc/devlml.c:556,572 – 1999/0513/sys/src/9/pc/devlml.c:556,572
1999/0422		// allow one open total for these two break; } return devopen(c, omode, viddir, nelem(viddir), devgen);
1999/0513		return devopen(c, omode, lmldir, nelem(lmldir), devgen);
1999/0422		} static void vidclose(Chan *c)
1999/0513		lmlclose(Chan *c)
1999/0422		{ switch(c->qid.path){ case Q819: case Q856:
1999/0428		case Qreg:
1999/0422		case Qvideo:
1999/0513		case Qjvideo:
1999/0422		case Qjframe: authclose(c); }
1999/0430/sys/src/9/pc/devlml.c:573,583 – 1999/0513/sys/src/9/pc/devlml.c:573,589
1999/0422		} static long
1999/0424		vidread(Chan *c, void *va, long n, vlong off) {
1999/0513		lmlread(Chan *c, void *va, long n, vlong voff) {
1999/0424		int i, d; uchar *buf = va;
1999/0513		long off = voff; long v;
1999/0423
1999/0422		switch(c->qid.path){
1999/0513		switch(c->qid.path & ~CHDIR){ case Qdir: return devdirread(c, (char *)buf, n, lmldir, nelem(lmldir), devgen);
1999/0422		case Q819:
1999/0424		if (off < 0 || off + n > 0x20)
1999/0423		return 0;
1999/0430/sys/src/9/pc/devlml.c:621,633 – 1999/0513/sys/src/9/pc/devlml.c:627,641
1999/0428		break; case 4:
1999/0430		if (off & (n-1)) return 0;
1999/0424		*(long *)buf = readl(pciBaseAddr + off);
1999/0513		v = readl(pciBaseAddr + off); *(long *)buf = v; print("reading %lux at %lux (%lux)\n", v, pciBaseAddr + off, off);
1999/0428		break; default: return 0;
1999/0424		}
1999/0428		return n;
1999/0422		case Qvideo:
1999/0513		case Qjvideo:
1999/0422		case Qjframe:
1999/0424		return vread(c, buf, n, off);
1999/0422		}
1999/0430/sys/src/9/pc/devlml.c:634,644 – 1999/0513/sys/src/9/pc/devlml.c:642,656
1999/0422		} static long
1999/0424		vidwrite(Chan *c, void *va, long n, vlong off) {
1999/0513		lmlwrite(Chan *c, void *va, long n, vlong off) {
1999/0424		int i; uchar *buf = va;
1999/0423		switch(c->qid.path){
1999/0513		switch(c->qid.path & ~CHDIR){ case Qdir: error(Eperm);
1999/0423		case Q819:
1999/0424		if (off < 0 || off + n > 0x20)
1999/0423		return 0;
1999/0430/sys/src/9/pc/devlml.c:680,707 – 1999/0513/sys/src/9/pc/devlml.c:692,719
1999/0428		return 0;
1999/0424		}
1999/0428		return n;
1999/0423		case Qvideo:
1999/0513		case Qjvideo:
1999/0423		case Qjframe:
1999/0424		return vwrite(c, buf, n, off);
1999/0423		}
1999/0422		} Dev viddevtab = {
1999/0513		Dev lmldevtab = {
1999/0422		'V', "video", vidreset,
1999/0513		lmlreset,
1999/0422		devinit, vidattach,
1999/0513		lmlattach,
1999/0422		devclone, vidwalk, vidstat, vidopen,
1999/0513		lmlwalk, lmlstat, lmlopen,
1999/0422		devcreate, vidclose, vidread,
1999/0513		lmlclose, lmlread,
1999/0422		devbread, vidwrite,
1999/0513		lmlwrite,
1999/0422		devbwrite, devremove, devwstat,