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if_le_ledma.c (166901) if_le_ledma.c (182876)
1/* $NetBSD: if_le_ledma.c,v 1.26 2005/12/11 12:23:44 christos Exp $ */
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace

--- 24 unchanged lines hidden (view full) ---

33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
1/* $NetBSD: if_le_ledma.c,v 1.26 2005/12/11 12:23:44 christos Exp $ */
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace

--- 24 unchanged lines hidden (view full) ---

33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD: head/sys/dev/le/if_le_ledma.c 166901 2007-02-23 12:19:07Z piso $");
41__FBSDID("$FreeBSD: head/sys/dev/le/if_le_ledma.c 182876 2008-09-08 20:20:44Z marius $");
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/bus.h>
46#include <sys/endian.h>
47#include <sys/kernel.h>
48#include <sys/lock.h>
49#include <sys/module.h>

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73#define LEDMA_BOUNDARY (16*1024*1024) /* must not cross 16MB boundary */
74#define LEDMA_MEMSIZE (16*1024) /* LANCE memory size */
75#define LEREG1_RDP 0 /* Register Data Port */
76#define LEREG1_RAP 2 /* Register Address Port */
77
78struct le_dma_softc {
79 struct am7990_softc sc_am7990; /* glue to MI code */
80
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/bus.h>
46#include <sys/endian.h>
47#include <sys/kernel.h>
48#include <sys/lock.h>
49#include <sys/module.h>

--- 23 unchanged lines hidden (view full) ---

73#define LEDMA_BOUNDARY (16*1024*1024) /* must not cross 16MB boundary */
74#define LEDMA_MEMSIZE (16*1024) /* LANCE memory size */
75#define LEREG1_RDP 0 /* Register Data Port */
76#define LEREG1_RAP 2 /* Register Address Port */
77
78struct le_dma_softc {
79 struct am7990_softc sc_am7990; /* glue to MI code */
80
81 int sc_rrid;
82 struct resource *sc_rres;
81 struct resource *sc_rres;
83 bus_space_tag_t sc_regt;
84 bus_space_handle_t sc_regh;
85
82
86 int sc_irid;
87 struct resource *sc_ires;
88 void *sc_ih;
89
90 bus_dma_tag_t sc_dmat;
91 bus_dmamap_t sc_dmam;
92 bus_addr_t sc_laddr; /* LANCE DMA address */
93
94 struct lsi64854_softc *sc_dma; /* pointer to DMA engine */

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110 DEVMETHOD(device_suspend, le_dma_suspend),
111 DEVMETHOD(device_resume, le_dma_resume),
112
113 { 0, 0 }
114};
115
116DEFINE_CLASS_0(le, le_dma_driver, le_dma_methods, sizeof(struct le_dma_softc));
117DRIVER_MODULE(le, dma, le_dma_driver, le_devclass, 0, 0);
83 struct resource *sc_ires;
84 void *sc_ih;
85
86 bus_dma_tag_t sc_dmat;
87 bus_dmamap_t sc_dmam;
88 bus_addr_t sc_laddr; /* LANCE DMA address */
89
90 struct lsi64854_softc *sc_dma; /* pointer to DMA engine */

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106 DEVMETHOD(device_suspend, le_dma_suspend),
107 DEVMETHOD(device_resume, le_dma_resume),
108
109 { 0, 0 }
110};
111
112DEFINE_CLASS_0(le, le_dma_driver, le_dma_methods, sizeof(struct le_dma_softc));
113DRIVER_MODULE(le, dma, le_dma_driver, le_devclass, 0, 0);
114MODULE_DEPEND(le, dma, 1, 1, 1);
118MODULE_DEPEND(le, ether, 1, 1, 1);
119
120/*
121 * Media types supported
122 */
123static const int le_dma_supmedia[] = {
124 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0),
125 IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0),

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137static void le_dma_nocarrier(struct lance_softc *);
138static bus_dmamap_callback_t le_dma_dma_callback;
139
140static void
141le_dma_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
142{
143 struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
144
115MODULE_DEPEND(le, ether, 1, 1, 1);
116
117/*
118 * Media types supported
119 */
120static const int le_dma_supmedia[] = {
121 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0),
122 IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0),

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134static void le_dma_nocarrier(struct lance_softc *);
135static bus_dmamap_callback_t le_dma_dma_callback;
136
137static void
138le_dma_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
139{
140 struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
141
145 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, LEREG1_RAP, port);
146 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, LEREG1_RAP, 2,
147 BUS_SPACE_BARRIER_WRITE);
148 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, LEREG1_RDP, val);
142 bus_write_2(lesc->sc_rres, LEREG1_RAP, port);
143 bus_barrier(lesc->sc_rres, LEREG1_RAP, 2, BUS_SPACE_BARRIER_WRITE);
144 bus_write_2(lesc->sc_rres, LEREG1_RDP, val);
149}
150
151static uint16_t
152le_dma_rdcsr(struct lance_softc *sc, uint16_t port)
153{
154 struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
155
145}
146
147static uint16_t
148le_dma_rdcsr(struct lance_softc *sc, uint16_t port)
149{
150 struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
151
156 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, LEREG1_RAP, port);
157 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, LEREG1_RAP, 2,
158 BUS_SPACE_BARRIER_WRITE);
159 return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, LEREG1_RDP));
152 bus_write_2(lesc->sc_rres, LEREG1_RAP, port);
153 bus_barrier(lesc->sc_rres, LEREG1_RAP, 2, BUS_SPACE_BARRIER_WRITE);
154 return (bus_read_2(lesc->sc_rres, LEREG1_RDP));
160}
161
162static void
163le_dma_setutp(struct lance_softc *sc)
164{
165 struct lsi64854_softc *dma = ((struct le_dma_softc *)sc)->sc_dma;
166
167 L64854_SCSR(dma, L64854_GCSR(dma) | E_TP_AUI);

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233 /*
234 * Reset DMA channel.
235 */
236 csr = L64854_GCSR(dma);
237 aui_bit = csr & E_TP_AUI;
238 DMA_RESET(dma);
239
240 /* Write bits 24-31 of Lance address. */
155}
156
157static void
158le_dma_setutp(struct lance_softc *sc)
159{
160 struct lsi64854_softc *dma = ((struct le_dma_softc *)sc)->sc_dma;
161
162 L64854_SCSR(dma, L64854_GCSR(dma) | E_TP_AUI);

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228 /*
229 * Reset DMA channel.
230 */
231 csr = L64854_GCSR(dma);
232 aui_bit = csr & E_TP_AUI;
233 DMA_RESET(dma);
234
235 /* Write bits 24-31 of Lance address. */
241 bus_space_write_4(dma->sc_regt, dma->sc_regh, L64854_REG_ENBAR,
236 bus_write_4(dma->sc_res, L64854_REG_ENBAR,
242 lesc->sc_laddr & 0xff000000);
243
244 DMA_ENINTR(dma);
245
246 /*
247 * Disable E-cache invalidates on chip writes.
248 * Retain previous cable selection bit.
249 */

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314}
315
316static int
317le_dma_attach(device_t dev)
318{
319 struct le_dma_softc *lesc;
320 struct lsi64854_softc *dma;
321 struct lance_softc *sc;
237 lesc->sc_laddr & 0xff000000);
238
239 DMA_ENINTR(dma);
240
241 /*
242 * Disable E-cache invalidates on chip writes.
243 * Retain previous cable selection bit.
244 */

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309}
310
311static int
312le_dma_attach(device_t dev)
313{
314 struct le_dma_softc *lesc;
315 struct lsi64854_softc *dma;
316 struct lance_softc *sc;
322 int error;
317 int error, i;
323
324 lesc = device_get_softc(dev);
325 sc = &lesc->sc_am7990.lsc;
326
327 LE_LOCK_INIT(sc, device_get_nameunit(dev));
328
329 /*
330 * Establish link to `ledma' device.
331 * XXX hackery.
332 */
333 dma = (struct lsi64854_softc *)device_get_softc(device_get_parent(dev));
334 lesc->sc_dma = dma;
335 lesc->sc_dma->sc_client = lesc;
336
318
319 lesc = device_get_softc(dev);
320 sc = &lesc->sc_am7990.lsc;
321
322 LE_LOCK_INIT(sc, device_get_nameunit(dev));
323
324 /*
325 * Establish link to `ledma' device.
326 * XXX hackery.
327 */
328 dma = (struct lsi64854_softc *)device_get_softc(device_get_parent(dev));
329 lesc->sc_dma = dma;
330 lesc->sc_dma->sc_client = lesc;
331
337 lesc->sc_rrid = 0;
332 i = 0;
338 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
333 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
339 &lesc->sc_rrid, RF_ACTIVE);
334 &i, RF_ACTIVE);
340 if (lesc->sc_rres == NULL) {
341 device_printf(dev, "cannot allocate registers\n");
342 error = ENXIO;
343 goto fail_mtx;
344 }
335 if (lesc->sc_rres == NULL) {
336 device_printf(dev, "cannot allocate registers\n");
337 error = ENXIO;
338 goto fail_mtx;
339 }
345 lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
346 lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
347
340
348 lesc->sc_irid = 0;
341 i = 0;
349 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
342 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
350 &lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
343 &i, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
351 device_printf(dev, "cannot allocate interrupt\n");
352 error = ENXIO;
353 goto fail_rres;
354 }
355
344 device_printf(dev, "cannot allocate interrupt\n");
345 error = ENXIO;
346 goto fail_rres;
347 }
348
349 /* Attach the DMA engine. */
350 error = lsi64854_attach(dma);
351 if (error != 0) {
352 device_printf(dev, "lsi64854_attach failed\n");
353 goto fail_ires;
354 }
355
356 sc->sc_memsize = LEDMA_MEMSIZE;
357 error = bus_dma_tag_create(
358 dma->sc_parent_dmat, /* parent */
359 LEDMA_ALIGNMENT, /* alignment */
360 LEDMA_BOUNDARY, /* boundary */
361 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
362 BUS_SPACE_MAXADDR, /* highaddr */
363 NULL, NULL, /* filter, filterarg */
364 sc->sc_memsize, /* maxsize */
365 1, /* nsegments */
366 sc->sc_memsize, /* maxsegsize */
367 0, /* flags */
368 NULL, NULL, /* lockfunc, lockarg */
369 &lesc->sc_dmat);
370 if (error != 0) {
371 device_printf(dev, "cannot allocate buffer DMA tag\n");
356 sc->sc_memsize = LEDMA_MEMSIZE;
357 error = bus_dma_tag_create(
358 dma->sc_parent_dmat, /* parent */
359 LEDMA_ALIGNMENT, /* alignment */
360 LEDMA_BOUNDARY, /* boundary */
361 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
362 BUS_SPACE_MAXADDR, /* highaddr */
363 NULL, NULL, /* filter, filterarg */
364 sc->sc_memsize, /* maxsize */
365 1, /* nsegments */
366 sc->sc_memsize, /* maxsegsize */
367 0, /* flags */
368 NULL, NULL, /* lockfunc, lockarg */
369 &lesc->sc_dmat);
370 if (error != 0) {
371 device_printf(dev, "cannot allocate buffer DMA tag\n");
372 goto fail_ires;
372 goto fail_lsi;
373 }
374
375 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
376 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
377 if (error != 0) {
378 device_printf(dev, "cannot allocate DMA buffer memory\n");
379 goto fail_dtag;
380 }
381
382 lesc->sc_laddr = 0;
383 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
384 sc->sc_memsize, le_dma_dma_callback, lesc, 0);
385 if (error != 0 || lesc->sc_laddr == 0) {
373 }
374
375 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
376 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
377 if (error != 0) {
378 device_printf(dev, "cannot allocate DMA buffer memory\n");
379 goto fail_dtag;
380 }
381
382 lesc->sc_laddr = 0;
383 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
384 sc->sc_memsize, le_dma_dma_callback, lesc, 0);
385 if (error != 0 || lesc->sc_laddr == 0) {
386 device_printf(dev, "cannot load DMA buffer map\n");
386 device_printf(dev, "cannot load DMA buffer map\n");
387 goto fail_dmem;
388 }
389
390 sc->sc_addr = lesc->sc_laddr & 0xffffff;
391 sc->sc_flags = 0;
392 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
393
394 sc->sc_mediachange = le_dma_supmediachange;

--- 35 unchanged lines hidden (view full) ---

430 fail_am7990:
431 am7990_detach(&lesc->sc_am7990);
432 fail_dmap:
433 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
434 fail_dmem:
435 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
436 fail_dtag:
437 bus_dma_tag_destroy(lesc->sc_dmat);
387 goto fail_dmem;
388 }
389
390 sc->sc_addr = lesc->sc_laddr & 0xffffff;
391 sc->sc_flags = 0;
392 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
393
394 sc->sc_mediachange = le_dma_supmediachange;

--- 35 unchanged lines hidden (view full) ---

430 fail_am7990:
431 am7990_detach(&lesc->sc_am7990);
432 fail_dmap:
433 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
434 fail_dmem:
435 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
436 fail_dtag:
437 bus_dma_tag_destroy(lesc->sc_dmat);
438 fail_lsi:
439 lsi64854_detach(dma);
438 fail_ires:
440 fail_ires:
439 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
441 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(lesc->sc_ires),
442 lesc->sc_ires);
440 fail_rres:
443 fail_rres:
441 bus_release_resource(dev, SYS_RES_MEMORY, lesc->sc_rrid, lesc->sc_rres);
444 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lesc->sc_rres),
445 lesc->sc_rres);
442 fail_mtx:
443 LE_LOCK_DESTROY(sc);
444 return (error);
445}
446
447static int
448le_dma_detach(device_t dev)
449{
450 struct le_dma_softc *lesc;
451 struct lance_softc *sc;
446 fail_mtx:
447 LE_LOCK_DESTROY(sc);
448 return (error);
449}
450
451static int
452le_dma_detach(device_t dev)
453{
454 struct le_dma_softc *lesc;
455 struct lance_softc *sc;
456 int error;
452
453 lesc = device_get_softc(dev);
454 sc = &lesc->sc_am7990.lsc;
455
456 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
457 am7990_detach(&lesc->sc_am7990);
458 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
459 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
460 bus_dma_tag_destroy(lesc->sc_dmat);
457
458 lesc = device_get_softc(dev);
459 sc = &lesc->sc_am7990.lsc;
460
461 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
462 am7990_detach(&lesc->sc_am7990);
463 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
464 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
465 bus_dma_tag_destroy(lesc->sc_dmat);
461 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
462 bus_release_resource(dev, SYS_RES_MEMORY, lesc->sc_rrid, lesc->sc_rres);
466 error = lsi64854_detach(lesc->sc_dma);
467 if (error != 0)
468 return (error);
469 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(lesc->sc_ires),
470 lesc->sc_ires);
471 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lesc->sc_rres),
472 lesc->sc_rres);
463 LE_LOCK_DESTROY(sc);
464
465 return (0);
466}
467
468static int
469le_dma_suspend(device_t dev)
470{

--- 20 unchanged lines hidden --- 		473 LE_LOCK_DESTROY(sc);
474
475 return (0);
476}
477
478static int
479le_dma_suspend(device_t dev)
480{

--- 20 unchanged lines hidden ---