Cross Reference: /freebsd-10.3-release/sys/sparc64/sbus/lsi64854.c

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lsi64854.c (220939)	lsi64854.c (226381)
1/- 2 Copyright (c) 2004 Scott Long 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 43 unchanged lines hidden (view full) --- 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 56 * POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59#include <sys/cdefs.h>	1/- 2 Copyright (c) 2004 Scott Long 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 43 unchanged lines hidden (view full) --- 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 56 * POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59#include <sys/cdefs.h>
60__FBSDID("$FreeBSD: head/sys/sparc64/sbus/lsi64854.c 220939 2011-04-22 09:31:40Z marius $");	60__FBSDID("$FreeBSD: head/sys/sparc64/sbus/lsi64854.c 226381 2011-10-15 09:29:43Z marius $");
61 62#include <sys/param.h> 63#include <sys/systm.h> 64#include <sys/bus.h> 65#include <sys/kernel.h> 66#include <sys/lock.h> 67#include <sys/mutex.h> 68#include <sys/rman.h> --- 11 unchanged lines hidden (view full) --- 80#include <dev/esp/ncr53c9xvar.h> 81 82#ifdef DEBUG 83#define LDB_SCSI 1 84#define LDB_ENET 2 85#define LDB_PP 4 86#define LDB_ANY 0xff 87int lsi64854debug = 0;	61 62#include <sys/param.h> 63#include <sys/systm.h> 64#include <sys/bus.h> 65#include <sys/kernel.h> 66#include <sys/lock.h> 67#include <sys/mutex.h> 68#include <sys/rman.h> --- 11 unchanged lines hidden (view full) --- 80#include <dev/esp/ncr53c9xvar.h> 81 82#ifdef DEBUG 83#define LDB_SCSI 1 84#define LDB_ENET 2 85#define LDB_PP 4 86#define LDB_ANY 0xff 87int lsi64854debug = 0;
88#define DPRINTF(a,x) do { if (lsi64854debug & (a)) printf x ; } while (0)	88#define DPRINTF(a,x) \ 89 do { \ 90 if ((lsi64854debug & (a)) != 0) \ 91 printf x; \ 92 } while (/* CONSTCOND */0)
89#else 90#define DPRINTF(a,x) 91#endif 92 93#define MAX_DMA_SZ (1610241024) 94 95static void lsi64854_reset(struct lsi64854_softc ); 96static void lsi64854_map_scsi(void , bus_dma_segment_t *, int, int);	93#else 94#define DPRINTF(a,x) 95#endif 96 97#define MAX_DMA_SZ (1610241024) 98 99static void lsi64854_reset(struct lsi64854_softc ); 100static void lsi64854_map_scsi(void , bus_dma_segment_t *, int, int);
97static int lsi64854_setup(struct lsi64854_softc , caddr_t , size_t *,	101static int lsi64854_setup(struct lsi64854_softc , void , size_t ,
98 int, size_t ); 99static int lsi64854_scsi_intr(void ); 100static int lsi64854_enet_intr(void *);	102 int, size_t ); 103static int lsi64854_scsi_intr(void ); 104static int lsi64854_enet_intr(void *);
101static int lsi64854_setup_pp(struct lsi64854_softc , caddr_t , size_t , 102* int, size_t *);	105static int lsi64854_setup_pp(struct lsi64854_softc , void , 106* size_t , int, size_t );
103static int lsi64854_pp_intr(void ); 104* 105/* 106 * Finish attaching this DMA device. 107 * Front-end must fill in these fields: 108 * sc_res 109 * sc_burst 110 * sc_channel (one of SCSI, ENET, PP) --- 119 unchanged lines hidden (view full) --- 230 if (count == 0) { \ 231 printf("%s: line %d: CSR = 0x%lx\n", __FILE__, __LINE__, \ 232 (u_long)L64854_GCSR(SC)); \ 233 if (DONTPANIC) \ 234 printf(MSG); \ 235 else \ 236 panic(MSG); \ 237 } \	107static int lsi64854_pp_intr(void ); 108* 109/* 110 * Finish attaching this DMA device. 111 * Front-end must fill in these fields: 112 * sc_res 113 * sc_burst 114 * sc_channel (one of SCSI, ENET, PP) --- 119 unchanged lines hidden (view full) --- 234 if (count == 0) { \ 235 printf("%s: line %d: CSR = 0x%lx\n", __FILE__, __LINE__, \ 236 (u_long)L64854_GCSR(SC)); \ 237 if (DONTPANIC) \ 238 printf(MSG); \ 239 else \ 240 panic(MSG); \ 241 } \
238} while (0)	242} while (/* CONSTCOND */0)
239 240#define DMA_DRAIN(sc, dontpanic) do { \ 241 uint32_t csr; \ 242 /* \ 243 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 244 * and "drain" bits while it is still thinking about a \ 245 * request. \ 246 * other revs: D_ESC_R_PEND bit reads as 0 \ --- 12 unchanged lines hidden (view full) --- 259 \ 260 L64854_SCSR(sc,csr); \ 261 } \ 262 /* \ 263 * Wait for draining to finish \ 264 * rev0 & rev1 call this PACKCNT \ 265 / \ 266* DMAWAIT(sc, L64854_GCSR(sc) & L64854_DRAINING, "DRAINING", dontpanic);\	243 244#define DMA_DRAIN(sc, dontpanic) do { \ 245 uint32_t csr; \ 246 /* \ 247 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 248 * and "drain" bits while it is still thinking about a \ 249 * request. \ 250 * other revs: D_ESC_R_PEND bit reads as 0 \ --- 12 unchanged lines hidden (view full) --- 263 \ 264 L64854_SCSR(sc,csr); \ 265 } \ 266 /* \ 267 * Wait for draining to finish \ 268 * rev0 & rev1 call this PACKCNT \ 269 / \ 270* DMAWAIT(sc, L64854_GCSR(sc) & L64854_DRAINING, "DRAINING", dontpanic);\
267} while(0)	271} while (/* CONSTCOND */0)
268 269#define DMA_FLUSH(sc, dontpanic) do { \ 270 uint32_t csr; \ 271 /* \ 272 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 273 * and "drain" bits while it is still thinking about a \ 274 * request. \ 275 * other revs: D_ESC_R_PEND bit reads as 0 \ 276 / \ 277* DMAWAIT(sc, L64854_GCSR(sc) & D_ESC_R_PEND, "R_PEND", dontpanic);\ 278 csr = L64854_GCSR(sc); \ 279 csr &= ~(L64854_WRITE\|L64854_EN_DMA); /* no-ops on ENET / \ 280* csr \|= L64854_INVALIDATE; /* XXX FAS ? / \ 281* L64854_SCSR(sc,csr); \	272 273#define DMA_FLUSH(sc, dontpanic) do { \ 274 uint32_t csr; \ 275 /* \ 276 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 277 * and "drain" bits while it is still thinking about a \ 278 * request. \ 279 * other revs: D_ESC_R_PEND bit reads as 0 \ 280 / \ 281* DMAWAIT(sc, L64854_GCSR(sc) & D_ESC_R_PEND, "R_PEND", dontpanic);\ 282 csr = L64854_GCSR(sc); \ 283 csr &= ~(L64854_WRITE\|L64854_EN_DMA); /* no-ops on ENET / \ 284* csr \|= L64854_INVALIDATE; /* XXX FAS ? / \ 285* L64854_SCSR(sc,csr); \
282} while(0)	286} while (/* CONSTCOND */0)
283 284static void 285lsi64854_reset(struct lsi64854_softc sc) 286{ 287* uint32_t csr; 288 289 DMA_FLUSH(sc, 1); 290 csr = L64854_GCSR(sc); --- 77 unchanged lines hidden (view full) --- 368 bus_write_4(sc->sc_res, L64854_REG_ADDR, segs[0].ds_addr); 369} 370 371#define DMAMAX(a) (MAX_DMA_SZ - ((a) & (MAX_DMA_SZ - 1))) 372/* 373 * setup a DMA transfer 374 / 375*static int	287 288static void 289lsi64854_reset(struct lsi64854_softc sc) 290{ 291* uint32_t csr; 292 293 DMA_FLUSH(sc, 1); 294 csr = L64854_GCSR(sc); --- 77 unchanged lines hidden (view full) --- 372 bus_write_4(sc->sc_res, L64854_REG_ADDR, segs[0].ds_addr); 373} 374 375#define DMAMAX(a) (MAX_DMA_SZ - ((a) & (MAX_DMA_SZ - 1))) 376/* 377 * setup a DMA transfer 378 / 379*static int
376lsi64854_setup(struct lsi64854_softc sc, caddr_t addr, size_t *len,	380lsi64854_setup(struct lsi64854_softc sc, void addr, size_t len,
377 int datain, size_t dmasize) 378{ 379* long bcnt; 380 uint32_t csr; 381 382 DMA_FLUSH(sc, 0); 383 384#if 0 --- 157 unchanged lines hidden (view full) --- 542 if (sc->sc_dmasize != 0) { 543 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 544 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 545 BUS_DMASYNC_POSTWRITE); 546 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 547 } 548 549 *sc->sc_dmalen -= trans;	381 int datain, size_t dmasize) 382{ 383* long bcnt; 384 uint32_t csr; 385 386 DMA_FLUSH(sc, 0); 387 388#if 0 --- 157 unchanged lines hidden (view full) --- 546 if (sc->sc_dmasize != 0) { 547 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 548 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 549 BUS_DMASYNC_POSTWRITE); 550 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 551 } 552 553 *sc->sc_dmalen -= trans;
550 *sc->sc_dmaaddr += trans;	554 sc->sc_dmaaddr = (char )*sc->sc_dmaaddr + trans;
551 552#if 0 /* this is not normal operation just yet / 553* if (sc->sc_dmalen == 0 \|\| nsc->sc_phase != nsc->sc_prevphase) 554* return (0); 555 556 /* and again / 557* dma_start(sc, sc->sc_dmaaddr, sc->sc_dmalen, DMACSR(sc) & D_WRITE); 558 return (1); --- 56 unchanged lines hidden (view full) --- 615 616 bus_write_4(sc->sc_res, L64854_REG_CNT, sc->sc_dmasize); 617} 618 619/* 620 * setup a DMA transfer 621 / 622*static int	555 556#if 0 /* this is not normal operation just yet / 557* if (sc->sc_dmalen == 0 \|\| nsc->sc_phase != nsc->sc_prevphase) 558* return (0); 559 560 /* and again / 561* dma_start(sc, sc->sc_dmaaddr, sc->sc_dmalen, DMACSR(sc) & D_WRITE); 562 return (1); --- 56 unchanged lines hidden (view full) --- 619 620 bus_write_4(sc->sc_res, L64854_REG_CNT, sc->sc_dmasize); 621} 622 623/* 624 * setup a DMA transfer 625 / 626*static int
623lsi64854_setup_pp(struct lsi64854_softc sc, caddr_t addr, size_t *len,	627lsi64854_setup_pp(struct lsi64854_softc sc, void addr, size_t len,
624 int datain, size_t dmasize) 625{ 626* uint32_t csr; 627 628 DMA_FLUSH(sc, 0); 629 630 sc->sc_dmaaddr = addr; 631 sc->sc_dmalen = len; --- 77 unchanged lines hidden (view full) --- 709 csr &= ~D_EN_DMA; 710 L64854_SCSR(sc, csr); 711 sc->sc_active = 0; 712 713 trans = sc->sc_dmasize - resid; 714 if (trans < 0) /* transferred < 0? / 715* trans = sc->sc_dmasize; 716 *sc->sc_dmalen -= trans;	628 int datain, size_t dmasize) 629{ 630* uint32_t csr; 631 632 DMA_FLUSH(sc, 0); 633 634 sc->sc_dmaaddr = addr; 635 sc->sc_dmalen = len; --- 77 unchanged lines hidden (view full) --- 713 csr &= ~D_EN_DMA; 714 L64854_SCSR(sc, csr); 715 sc->sc_active = 0; 716 717 trans = sc->sc_dmasize - resid; 718 if (trans < 0) /* transferred < 0? / 719* trans = sc->sc_dmasize; 720 *sc->sc_dmalen -= trans;
717 *sc->sc_dmaaddr += trans;	721 sc->sc_dmaaddr = (char )*sc->sc_dmaaddr + trans;
718 719 if (sc->sc_dmasize != 0) { 720 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 721 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 722 BUS_DMASYNC_POSTWRITE); 723 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 724 } 725 726 return (ret != 0); 727}	722 723 if (sc->sc_dmasize != 0) { 724 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 725 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 726 BUS_DMASYNC_POSTWRITE); 727 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 728 } 729 730 return (ret != 0); 731}

lsi64854.c (220939)	lsi64854.c (226381)
1/- 2 Copyright (c) 2004 Scott Long 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 43 unchanged lines hidden (view full) --- 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 56 * POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59#include <sys/cdefs.h>	1/- 2 Copyright (c) 2004 Scott Long 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 43 unchanged lines hidden (view full) --- 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 56 * POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59#include <sys/cdefs.h>
60__FBSDID("$FreeBSD: head/sys/sparc64/sbus/lsi64854.c 220939 2011-04-22 09:31:40Z marius $");	60__FBSDID("$FreeBSD: head/sys/sparc64/sbus/lsi64854.c 226381 2011-10-15 09:29:43Z marius $");
61 62#include <sys/param.h> 63#include <sys/systm.h> 64#include <sys/bus.h> 65#include <sys/kernel.h> 66#include <sys/lock.h> 67#include <sys/mutex.h> 68#include <sys/rman.h> --- 11 unchanged lines hidden (view full) --- 80#include <dev/esp/ncr53c9xvar.h> 81 82#ifdef DEBUG 83#define LDB_SCSI 1 84#define LDB_ENET 2 85#define LDB_PP 4 86#define LDB_ANY 0xff 87int lsi64854debug = 0;	61 62#include <sys/param.h> 63#include <sys/systm.h> 64#include <sys/bus.h> 65#include <sys/kernel.h> 66#include <sys/lock.h> 67#include <sys/mutex.h> 68#include <sys/rman.h> --- 11 unchanged lines hidden (view full) --- 80#include <dev/esp/ncr53c9xvar.h> 81 82#ifdef DEBUG 83#define LDB_SCSI 1 84#define LDB_ENET 2 85#define LDB_PP 4 86#define LDB_ANY 0xff 87int lsi64854debug = 0;
88#define DPRINTF(a,x) do { if (lsi64854debug & (a)) printf x ; } while (0)	88#define DPRINTF(a,x) \ 89 do { \ 90 if ((lsi64854debug & (a)) != 0) \ 91 printf x; \ 92 } while (/* CONSTCOND */0)
89#else 90#define DPRINTF(a,x) 91#endif 92 93#define MAX_DMA_SZ (1610241024) 94 95static void lsi64854_reset(struct lsi64854_softc ); 96static void lsi64854_map_scsi(void , bus_dma_segment_t *, int, int);	93#else 94#define DPRINTF(a,x) 95#endif 96 97#define MAX_DMA_SZ (1610241024) 98 99static void lsi64854_reset(struct lsi64854_softc ); 100static void lsi64854_map_scsi(void , bus_dma_segment_t *, int, int);
97static int lsi64854_setup(struct lsi64854_softc , caddr_t , size_t *,	101static int lsi64854_setup(struct lsi64854_softc , void , size_t ,
98 int, size_t ); 99static int lsi64854_scsi_intr(void ); 100static int lsi64854_enet_intr(void *);	102 int, size_t ); 103static int lsi64854_scsi_intr(void ); 104static int lsi64854_enet_intr(void *);
101static int lsi64854_setup_pp(struct lsi64854_softc , caddr_t , size_t , 102* int, size_t *);	105static int lsi64854_setup_pp(struct lsi64854_softc , void , 106* size_t , int, size_t );
103static int lsi64854_pp_intr(void ); 104* 105/* 106 * Finish attaching this DMA device. 107 * Front-end must fill in these fields: 108 * sc_res 109 * sc_burst 110 * sc_channel (one of SCSI, ENET, PP) --- 119 unchanged lines hidden (view full) --- 230 if (count == 0) { \ 231 printf("%s: line %d: CSR = 0x%lx\n", __FILE__, __LINE__, \ 232 (u_long)L64854_GCSR(SC)); \ 233 if (DONTPANIC) \ 234 printf(MSG); \ 235 else \ 236 panic(MSG); \ 237 } \	107static int lsi64854_pp_intr(void ); 108* 109/* 110 * Finish attaching this DMA device. 111 * Front-end must fill in these fields: 112 * sc_res 113 * sc_burst 114 * sc_channel (one of SCSI, ENET, PP) --- 119 unchanged lines hidden (view full) --- 234 if (count == 0) { \ 235 printf("%s: line %d: CSR = 0x%lx\n", __FILE__, __LINE__, \ 236 (u_long)L64854_GCSR(SC)); \ 237 if (DONTPANIC) \ 238 printf(MSG); \ 239 else \ 240 panic(MSG); \ 241 } \
238} while (0)	242} while (/* CONSTCOND */0)
239 240#define DMA_DRAIN(sc, dontpanic) do { \ 241 uint32_t csr; \ 242 /* \ 243 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 244 * and "drain" bits while it is still thinking about a \ 245 * request. \ 246 * other revs: D_ESC_R_PEND bit reads as 0 \ --- 12 unchanged lines hidden (view full) --- 259 \ 260 L64854_SCSR(sc,csr); \ 261 } \ 262 /* \ 263 * Wait for draining to finish \ 264 * rev0 & rev1 call this PACKCNT \ 265 / \ 266* DMAWAIT(sc, L64854_GCSR(sc) & L64854_DRAINING, "DRAINING", dontpanic);\	243 244#define DMA_DRAIN(sc, dontpanic) do { \ 245 uint32_t csr; \ 246 /* \ 247 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 248 * and "drain" bits while it is still thinking about a \ 249 * request. \ 250 * other revs: D_ESC_R_PEND bit reads as 0 \ --- 12 unchanged lines hidden (view full) --- 263 \ 264 L64854_SCSR(sc,csr); \ 265 } \ 266 /* \ 267 * Wait for draining to finish \ 268 * rev0 & rev1 call this PACKCNT \ 269 / \ 270* DMAWAIT(sc, L64854_GCSR(sc) & L64854_DRAINING, "DRAINING", dontpanic);\
267} while(0)	271} while (/* CONSTCOND */0)
268 269#define DMA_FLUSH(sc, dontpanic) do { \ 270 uint32_t csr; \ 271 /* \ 272 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 273 * and "drain" bits while it is still thinking about a \ 274 * request. \ 275 * other revs: D_ESC_R_PEND bit reads as 0 \ 276 / \ 277* DMAWAIT(sc, L64854_GCSR(sc) & D_ESC_R_PEND, "R_PEND", dontpanic);\ 278 csr = L64854_GCSR(sc); \ 279 csr &= ~(L64854_WRITE\|L64854_EN_DMA); /* no-ops on ENET / \ 280* csr \|= L64854_INVALIDATE; /* XXX FAS ? / \ 281* L64854_SCSR(sc,csr); \	272 273#define DMA_FLUSH(sc, dontpanic) do { \ 274 uint32_t csr; \ 275 /* \ 276 * DMA rev0 & rev1: we are not allowed to touch the DMA "flush" \ 277 * and "drain" bits while it is still thinking about a \ 278 * request. \ 279 * other revs: D_ESC_R_PEND bit reads as 0 \ 280 / \ 281* DMAWAIT(sc, L64854_GCSR(sc) & D_ESC_R_PEND, "R_PEND", dontpanic);\ 282 csr = L64854_GCSR(sc); \ 283 csr &= ~(L64854_WRITE\|L64854_EN_DMA); /* no-ops on ENET / \ 284* csr \|= L64854_INVALIDATE; /* XXX FAS ? / \ 285* L64854_SCSR(sc,csr); \
282} while(0)	286} while (/* CONSTCOND */0)
283 284static void 285lsi64854_reset(struct lsi64854_softc sc) 286{ 287* uint32_t csr; 288 289 DMA_FLUSH(sc, 1); 290 csr = L64854_GCSR(sc); --- 77 unchanged lines hidden (view full) --- 368 bus_write_4(sc->sc_res, L64854_REG_ADDR, segs[0].ds_addr); 369} 370 371#define DMAMAX(a) (MAX_DMA_SZ - ((a) & (MAX_DMA_SZ - 1))) 372/* 373 * setup a DMA transfer 374 / 375*static int	287 288static void 289lsi64854_reset(struct lsi64854_softc sc) 290{ 291* uint32_t csr; 292 293 DMA_FLUSH(sc, 1); 294 csr = L64854_GCSR(sc); --- 77 unchanged lines hidden (view full) --- 372 bus_write_4(sc->sc_res, L64854_REG_ADDR, segs[0].ds_addr); 373} 374 375#define DMAMAX(a) (MAX_DMA_SZ - ((a) & (MAX_DMA_SZ - 1))) 376/* 377 * setup a DMA transfer 378 / 379*static int
376lsi64854_setup(struct lsi64854_softc sc, caddr_t addr, size_t *len,	380lsi64854_setup(struct lsi64854_softc sc, void addr, size_t len,
377 int datain, size_t dmasize) 378{ 379* long bcnt; 380 uint32_t csr; 381 382 DMA_FLUSH(sc, 0); 383 384#if 0 --- 157 unchanged lines hidden (view full) --- 542 if (sc->sc_dmasize != 0) { 543 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 544 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 545 BUS_DMASYNC_POSTWRITE); 546 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 547 } 548 549 *sc->sc_dmalen -= trans;	381 int datain, size_t dmasize) 382{ 383* long bcnt; 384 uint32_t csr; 385 386 DMA_FLUSH(sc, 0); 387 388#if 0 --- 157 unchanged lines hidden (view full) --- 546 if (sc->sc_dmasize != 0) { 547 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 548 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 549 BUS_DMASYNC_POSTWRITE); 550 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 551 } 552 553 *sc->sc_dmalen -= trans;
550 *sc->sc_dmaaddr += trans;	554 sc->sc_dmaaddr = (char )*sc->sc_dmaaddr + trans;
551 552#if 0 /* this is not normal operation just yet / 553* if (sc->sc_dmalen == 0 \|\| nsc->sc_phase != nsc->sc_prevphase) 554* return (0); 555 556 /* and again / 557* dma_start(sc, sc->sc_dmaaddr, sc->sc_dmalen, DMACSR(sc) & D_WRITE); 558 return (1); --- 56 unchanged lines hidden (view full) --- 615 616 bus_write_4(sc->sc_res, L64854_REG_CNT, sc->sc_dmasize); 617} 618 619/* 620 * setup a DMA transfer 621 / 622*static int	555 556#if 0 /* this is not normal operation just yet / 557* if (sc->sc_dmalen == 0 \|\| nsc->sc_phase != nsc->sc_prevphase) 558* return (0); 559 560 /* and again / 561* dma_start(sc, sc->sc_dmaaddr, sc->sc_dmalen, DMACSR(sc) & D_WRITE); 562 return (1); --- 56 unchanged lines hidden (view full) --- 619 620 bus_write_4(sc->sc_res, L64854_REG_CNT, sc->sc_dmasize); 621} 622 623/* 624 * setup a DMA transfer 625 / 626*static int
623lsi64854_setup_pp(struct lsi64854_softc sc, caddr_t addr, size_t *len,	627lsi64854_setup_pp(struct lsi64854_softc sc, void addr, size_t len,
624 int datain, size_t dmasize) 625{ 626* uint32_t csr; 627 628 DMA_FLUSH(sc, 0); 629 630 sc->sc_dmaaddr = addr; 631 sc->sc_dmalen = len; --- 77 unchanged lines hidden (view full) --- 709 csr &= ~D_EN_DMA; 710 L64854_SCSR(sc, csr); 711 sc->sc_active = 0; 712 713 trans = sc->sc_dmasize - resid; 714 if (trans < 0) /* transferred < 0? / 715* trans = sc->sc_dmasize; 716 *sc->sc_dmalen -= trans;	628 int datain, size_t dmasize) 629{ 630* uint32_t csr; 631 632 DMA_FLUSH(sc, 0); 633 634 sc->sc_dmaaddr = addr; 635 sc->sc_dmalen = len; --- 77 unchanged lines hidden (view full) --- 713 csr &= ~D_EN_DMA; 714 L64854_SCSR(sc, csr); 715 sc->sc_active = 0; 716 717 trans = sc->sc_dmasize - resid; 718 if (trans < 0) /* transferred < 0? / 719* trans = sc->sc_dmasize; 720 *sc->sc_dmalen -= trans;
717 *sc->sc_dmaaddr += trans;	721 sc->sc_dmaaddr = (char )*sc->sc_dmaaddr + trans;
718 719 if (sc->sc_dmasize != 0) { 720 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 721 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 722 BUS_DMASYNC_POSTWRITE); 723 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 724 } 725 726 return (ret != 0); 727}	722 723 if (sc->sc_dmasize != 0) { 724 bus_dmamap_sync(sc->sc_buffer_dmat, sc->sc_dmamap, 725 (csr & D_WRITE) != 0 ? BUS_DMASYNC_POSTREAD : 726 BUS_DMASYNC_POSTWRITE); 727 bus_dmamap_unload(sc->sc_buffer_dmat, sc->sc_dmamap); 728 } 729 730 return (ret != 0); 731}