1 /*-
29 #include <sys/kernel.h>
100 #define	SMB_STS_PEC		0x1F	/* PEC (CRC-8) Error */
121 #define	NFSMB_LOCK(nfsmb)		mtx_lock(&(nfsmb)->lock)
122 #define	NFSMB_UNLOCK(nfsmb)		mtx_unlock(&(nfsmb)->lock)
123 #define	NFSMB_LOCK_ASSERT(nfsmb)	mtx_assert(&(nfsmb)->lock, MA_OWNED)
126 	(bus_read_1(nfsmb->res, register))
128 	(bus_write_1(nfsmb->res, register, value))
182 	nfsmbsub_sc->rid = NF2PCI_SMBASE_2;  in nfsmbsub_attach()
184 	nfsmbsub_sc->res = bus_alloc_resource_any(parent, SYS_RES_IOPORT,  in nfsmbsub_attach()
185 	    &nfsmbsub_sc->rid, RF_ACTIVE);  in nfsmbsub_attach()
186 	if (nfsmbsub_sc->res == NULL) {  in nfsmbsub_attach()
187 		/* Older incarnations of the device used non-standard BARs. */  in nfsmbsub_attach()
188 		nfsmbsub_sc->rid = 0x54;  in nfsmbsub_attach()
189 		nfsmbsub_sc->res = bus_alloc_resource_any(parent,  in nfsmbsub_attach()
190 		    SYS_RES_IOPORT, &nfsmbsub_sc->rid, RF_ACTIVE);  in nfsmbsub_attach()
191 		if (nfsmbsub_sc->res == NULL) {  in nfsmbsub_attach()
196 	mtx_init(&nfsmbsub_sc->lock, device_get_nameunit(dev), "nfsmb",  in nfsmbsub_attach()
199 	nfsmbsub_sc->smbus = device_add_child(dev, "smbus", DEVICE_UNIT_ANY);  in nfsmbsub_attach()
200 	if (nfsmbsub_sc->smbus == NULL) {  in nfsmbsub_attach()
216 	nfsmb_sc->rid = NF2PCI_SMBASE_1;  in nfsmb_attach()
218 	nfsmb_sc->res = bus_alloc_resource_any(dev, SYS_RES_IOPORT,  in nfsmb_attach()
219 		&nfsmb_sc->rid, RF_ACTIVE);  in nfsmb_attach()
221 	if (nfsmb_sc->res == NULL) {  in nfsmb_attach()
222 		/* Older incarnations of the device used non-standard BARs. */  in nfsmb_attach()
223 		nfsmb_sc->rid = 0x50;  in nfsmb_attach()
224 		nfsmb_sc->res = bus_alloc_resource_any(dev,  in nfsmb_attach()
225 		    SYS_RES_IOPORT, &nfsmb_sc->rid, RF_ACTIVE);  in nfsmb_attach()
226 		if (nfsmb_sc->res == NULL) {  in nfsmb_attach()
232 	mtx_init(&nfsmb_sc->lock, device_get_nameunit(dev), "nfsmb", MTX_DEF);  in nfsmb_attach()
235 	nfsmb_sc->smbus = device_add_child(dev, "smbus", DEVICE_UNIT_ANY);  in nfsmb_attach()
236 	if (!nfsmb_sc->smbus) {  in nfsmb_attach()
241 	nfsmb_sc->subdev = NULL;  in nfsmb_attach()
257 		/* Trying to add secondary device as slave */  in nfsmb_attach()
258 		nfsmb_sc->subdev = device_add_child(dev, "nfsmb", DEVICE_UNIT_ANY);  in nfsmb_attach()
259 		if (!nfsmb_sc->subdev) {  in nfsmb_attach()
285 	mtx_destroy(&nfsmbsub_sc->lock);  in nfsmbsub_detach()
286 	if (nfsmbsub_sc->res) {  in nfsmbsub_detach()
287 		bus_release_resource(parent, SYS_RES_IOPORT, nfsmbsub_sc->rid,  in nfsmbsub_detach()
288 		    nfsmbsub_sc->res);  in nfsmbsub_detach()
289 		nfsmbsub_sc->res = NULL;  in nfsmbsub_detach()
304 	mtx_destroy(&nfsmb_sc->lock);  in nfsmb_detach()
305 	if (nfsmb_sc->res) {  in nfsmb_detach()
306 		bus_release_resource(dev, SYS_RES_IOPORT, nfsmb_sc->rid,  in nfsmb_detach()
307 		    nfsmb_sc->res);  in nfsmb_detach()
308 		nfsmb_sc->res = NULL;  in nfsmb_detach()
342 		} while (NFSMB_SMBINB(sc, SMB_PRTCL) != 0 && count--);  in nfsmb_wait()
377 nfsmb_quick(device_t dev, u_char slave, int how)  in nfsmb_quick()  argument
388 		NFSMB_DEBUG(printf("nfsmb: QWRITE to 0x%x", slave));  in nfsmb_quick()
392 		NFSMB_DEBUG(printf("nfsmb: QREAD to 0x%x", slave));  in nfsmb_quick()
399 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_quick()
411 nfsmb_sendb(device_t dev, u_char slave, char byte)  in nfsmb_sendb()  argument
418 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_sendb()
423 	NFSMB_DEBUG(printf("nfsmb: SENDB to 0x%x, byte=0x%x, error=0x%x\n", slave, byte, error));  in nfsmb_sendb()
430 nfsmb_recvb(device_t dev, u_char slave, char *byte)  in nfsmb_recvb()  argument
436 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_recvb()
442 	NFSMB_DEBUG(printf("nfsmb: RECVB from 0x%x, byte=0x%x, error=0x%x\n", slave, *byte, error));  in nfsmb_recvb()
449 nfsmb_writeb(device_t dev, u_char slave, char cmd, char byte)  in nfsmb_writeb()  argument
457 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_writeb()
462 …NFSMB_DEBUG(printf("nfsmb: WRITEB to 0x%x, cmd=0x%x, byte=0x%x, error=0x%x\n", slave, cmd, byte, e…  in nfsmb_writeb()
469 nfsmb_readb(device_t dev, u_char slave, char cmd, char *byte)  in nfsmb_readb()  argument
476 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_readb()
482 …NFSMB_DEBUG(printf("nfsmb: READB from 0x%x, cmd=0x%x, byte=0x%x, error=0x%x\n", slave, cmd, (unsig…  in nfsmb_readb()
489 nfsmb_writew(device_t dev, u_char slave, char cmd, short word)  in nfsmb_writew()  argument
498 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_writew()
503 …NFSMB_DEBUG(printf("nfsmb: WRITEW to 0x%x, cmd=0x%x, word=0x%x, error=0x%x\n", slave, cmd, word, e…  in nfsmb_writew()
510 nfsmb_readw(device_t dev, u_char slave, char cmd, short *word)  in nfsmb_readw()  argument
517 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_readw()
524 …NFSMB_DEBUG(printf("nfsmb: READW from 0x%x, cmd=0x%x, word=0x%x, error=0x%x\n", slave, cmd, (unsig…  in nfsmb_readw()
531 nfsmb_bwrite(device_t dev, u_char slave, char cmd, u_char count, char *buf)  in nfsmb_bwrite()  argument
545 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_bwrite()
550 …NFSMB_DEBUG(printf("nfsmb: WRITEBLK to 0x%x, count=0x%x, cmd=0x%x, error=0x%x", slave, count, cmd,…  in nfsmb_bwrite()
557 nfsmb_bread(device_t dev, u_char slave, char cmd, u_char *count, char *buf)  in nfsmb_bread()  argument
568 	NFSMB_SMBOUTB(sc, SMB_ADDR, slave);  in nfsmb_bread()
581 …NFSMB_DEBUG(printf("nfsmb: READBLK to 0x%x, count=0x%x, cmd=0x%x, error=0x%x", slave, *count, cmd,…  in nfsmb_bread()