| aic7xxx.seq (21947) | aic7xxx.seq (21982) |
|---|---|
| 1/*+M*********************************************************************** 2 *Adaptec 274x/284x/294x device driver for Linux and FreeBSD. 3 * 4 *Copyright (c) 1994 John Aycock 5 * The University of Calgary Department of Computer Science. 6 * All rights reserved. 7 * 8 *FreeBSD, Twin, Wide, 2 command per target support, tagged queuing, --- 25 unchanged lines hidden (view full) --- 34 *OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 *HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 *LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 *OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 *SUCH DAMAGE. 39 * 40 *-M************************************************************************/ 41 | 1/*+M*********************************************************************** 2 *Adaptec 274x/284x/294x device driver for Linux and FreeBSD. 3 * 4 *Copyright (c) 1994 John Aycock 5 * The University of Calgary Department of Computer Science. 6 * All rights reserved. 7 * 8 *FreeBSD, Twin, Wide, 2 command per target support, tagged queuing, --- 25 unchanged lines hidden (view full) --- 34 *OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 *HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 *LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 *OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 *SUCH DAMAGE. 39 * 40 *-M************************************************************************/ 41 |
| 42VERSION AIC7XXX_SEQ_VER "$FreeBSD: head/sys/dev/aic7xxx/aic7xxx.seq 21947 1997-01-22 18:01:07Z gibbs $" | 42VERSION AIC7XXX_SEQ_VER "$FreeBSD: head/sys/dev/aic7xxx/aic7xxx.seq 21982 1997-01-24 21:57:47Z gibbs $" |
| 43 44#if defined(__NetBSD__) 45#include "../../../../dev/ic/aic7xxxreg.h" 46#include "../../../../scsi/scsi_message.h" 47#elif defined(__FreeBSD__) 48#include "../../dev/aic7xxx/aic7xxx_reg.h" 49#include "../../scsi/scsi_message.h" 50#endif --- 449 unchanged lines hidden (view full) --- 500 */ 501 mvi DINDEX, HADDR0 502 mvi SCB_CMDPTR call bcopy_5 503 clr HCNT1 504 clr HCNT2 505 506 call set_stcnt_from_hcnt 507 | 43 44#if defined(__NetBSD__) 45#include "../../../../dev/ic/aic7xxxreg.h" 46#include "../../../../scsi/scsi_message.h" 47#elif defined(__FreeBSD__) 48#include "../../dev/aic7xxx/aic7xxx_reg.h" 49#include "../../scsi/scsi_message.h" 50#endif --- 449 unchanged lines hidden (view full) --- 500 */ 501 mvi DINDEX, HADDR0 502 mvi SCB_CMDPTR call bcopy_5 503 clr HCNT1 504 clr HCNT2 505 506 call set_stcnt_from_hcnt 507 |
| 508 mvi 0x3d call dma # SCSIEN|SDMAEN|HDMAEN| 509 # DIRECTION|FIFORESET | 508 mvi DFCNTRL, 0x3d /* SCSIEN|SDMAEN|HDMAEN 509 * |DIRECTION|FIFORESET 510 */ 511p_command_dma: 512 test SSTAT0, SDONE jnz p_command_dma_done 513 test SSTAT1, PHASEMIS jz p_command_dma 514 test SSTAT0, SDONE jnz p_command_dma_done 515 clr DFCNTRL |
| 510 jmp ITloop | 516 jmp ITloop |
| 517p_command_dma_done: 518 and DFCNTRL, 0xc7 /* ~(SCSIEN|SDMAEN|HDMAEN) */ 519p_command_dma_clear: 520 test DFCNTRL, 0x38 jnz p_command_dma_clear 521 jmp ITloop |
|
| 511 512/* 513 * Status phase. Wait for the data byte to appear, then read it 514 * and store it into the SCB. 515 */ 516p_status: 517 call assert 518 --- 405 unchanged lines hidden (view full) --- 924dma4: 925 test DFSTATUS,FIFOEMP jz dma4 926 927/* 928 * Now shut the DMA enables off and make sure that the DMA enables are 929 * actually off first lest we get an ILLSADDR. 930 */ 931dma5: | 522 523/* 524 * Status phase. Wait for the data byte to appear, then read it 525 * and store it into the SCB. 526 */ 527p_status: 528 call assert 529 --- 405 unchanged lines hidden (view full) --- 935dma4: 936 test DFSTATUS,FIFOEMP jz dma4 937 938/* 939 * Now shut the DMA enables off and make sure that the DMA enables are 940 * actually off first lest we get an ILLSADDR. 941 */ 942dma5: |
| 932 /* disable DMA, but maintain WIDEODD */ 933 and DFCNTRL,WIDEODD | 943 /* Don't clobber an inprogress host data transfer */ 944 test DFSTATUS, MREQPEND jnz dma5 945 /* disable DMA */ 946 and DFCNTRL, 0xc7 /* ~(SCSIEN|SDMAEN|HDMAEN|DIRECTION) */ |
| 934dma6: | 947dma6: |
| 935 test DFCNTRL,0x38 jnz dma6 /* SCSIENACK|SDMAENACK|HDMAENACK */ | 948 test DFCNTRL, HDMAENACK jnz dma6 |
| 936return: 937 ret 938 939/* 940 * Common SCSI initialization for selection and reselection. Expects 941 * the target SCSI ID to be in the upper four bits of SINDEX, and A's 942 * contents are stomped on return. 943 */ --- 210 unchanged lines hidden --- | 949return: 950 ret 951 952/* 953 * Common SCSI initialization for selection and reselection. Expects 954 * the target SCSI ID to be in the upper four bits of SINDEX, and A's 955 * contents are stomped on return. 956 */ --- 210 unchanged lines hidden --- |