forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/atm/fore200e.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23   A FORE Systems 200E-series driver for ATM on Linux.
34   Christophe Lizzi (lizzi@cnam.fr), October 1999-March 2003.
....@@ -7,19 +8,6 @@
78   This driver simultaneously supports PCA-200E and SBA-200E adapters
89   on i386, alpha (untested), powerpc, sparc and sparc64 architectures.
910 
10
-  This program is free software; you can redistribute it and/or modify
11
-  it under the terms of the GNU General Public License as published by
12
-  the Free Software Foundation; either version 2 of the License, or
13
-  (at your option) any later version.
14
-
15
-  This program is distributed in the hope that it will be useful,
16
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
17
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
-  GNU General Public License for more details.
19
-
20
-  You should have received a copy of the GNU General Public License
21
-  along with this program; if not, write to the Free Software
22
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
2311 */
2412 
2513 
....@@ -37,6 +25,7 @@
3725 #include <linux/dma-mapping.h>
3826 #include <linux/delay.h>
3927 #include <linux/firmware.h>
28
+#include <linux/pgtable.h>
4029 #include <asm/io.h>
4130 #include <asm/string.h>
4231 #include <asm/page.h>
....@@ -52,7 +41,6 @@
5241 #include <asm/idprom.h>
5342 #include <asm/openprom.h>
5443 #include <asm/oplib.h>
55
-#include <asm/pgtable.h>
5644 #endif
5745 
5846 #if defined(CONFIG_ATM_FORE200E_USE_TASKLET) /* defer interrupt work to a tasklet */
....@@ -106,7 +94,6 @@
10694 
10795 
10896 static const struct atmdev_ops   fore200e_ops;
109
-static const struct fore200e_bus fore200e_bus[];
11097 
11198 static LIST_HEAD(fore200e_boards);
11299 
....@@ -183,10 +170,9 @@
183170 	alignment = 0;
184171 
185172     chunk->alloc_size = size + alignment;
186
-    chunk->align_size = size;
187173     chunk->direction  = direction;
188174 
189
-    chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL | GFP_DMA);
175
+    chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL);
190176     if (chunk->alloc_addr == NULL)
191177 	return -ENOMEM;
192178 
....@@ -195,8 +181,12 @@
195181     
196182     chunk->align_addr = chunk->alloc_addr + offset;
197183 
198
-    chunk->dma_addr = fore200e->bus->dma_map(fore200e, chunk->align_addr, chunk->align_size, direction);
199
-    
184
+    chunk->dma_addr = dma_map_single(fore200e->dev, chunk->align_addr,
185
+				     size, direction);
186
+    if (dma_mapping_error(fore200e->dev, chunk->dma_addr)) {
187
+	kfree(chunk->alloc_addr);
188
+	return -ENOMEM;
189
+    }
200190     return 0;
201191 }
202192 
....@@ -206,11 +196,39 @@
206196 static void
207197 fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk)
208198 {
209
-    fore200e->bus->dma_unmap(fore200e, chunk->dma_addr, chunk->dma_size, chunk->direction);
210
-
199
+    dma_unmap_single(fore200e->dev, chunk->dma_addr, chunk->dma_size,
200
+		     chunk->direction);
211201     kfree(chunk->alloc_addr);
212202 }
213203 
204
+/*
205
+ * Allocate a DMA consistent chunk of memory intended to act as a communication
206
+ * mechanism (to hold descriptors, status, queues, etc.) shared by the driver
207
+ * and the adapter.
208
+ */
209
+static int
210
+fore200e_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk,
211
+		int size, int nbr, int alignment)
212
+{
213
+	/* returned chunks are page-aligned */
214
+	chunk->alloc_size = size * nbr;
215
+	chunk->alloc_addr = dma_alloc_coherent(fore200e->dev, chunk->alloc_size,
216
+					       &chunk->dma_addr, GFP_KERNEL);
217
+	if (!chunk->alloc_addr)
218
+		return -ENOMEM;
219
+	chunk->align_addr = chunk->alloc_addr;
220
+	return 0;
221
+}
222
+
223
+/*
224
+ * Free a DMA consistent chunk of memory.
225
+ */
226
+static void
227
+fore200e_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk)
228
+{
229
+	dma_free_coherent(fore200e->dev, chunk->alloc_size, chunk->alloc_addr,
230
+			  chunk->dma_addr);
231
+}
214232 
215233 static void
216234 fore200e_spin(int msecs)
....@@ -303,10 +321,10 @@
303321 	    struct chunk* rbd_block = &fore200e->host_bsq[ scheme ][ magn ].rbd_block;
304322 	    
305323 	    if (status->alloc_addr)
306
-		fore200e->bus->dma_chunk_free(fore200e, status);
324
+		fore200e_dma_chunk_free(fore200e, status);
307325 	    
308326 	    if (rbd_block->alloc_addr)
309
-		fore200e->bus->dma_chunk_free(fore200e, rbd_block);
327
+		fore200e_dma_chunk_free(fore200e, rbd_block);
310328 	}
311329     }
312330 }
....@@ -358,33 +376,33 @@
358376     case FORE200E_STATE_COMPLETE:
359377 	kfree(fore200e->stats);
360378 
361
-	/* fall through */
379
+	fallthrough;
362380     case FORE200E_STATE_IRQ:
363381 	free_irq(fore200e->irq, fore200e->atm_dev);
364382 
365
-	/* fall through */
383
+	fallthrough;
366384     case FORE200E_STATE_ALLOC_BUF:
367385 	fore200e_free_rx_buf(fore200e);
368386 
369
-	/* fall through */
387
+	fallthrough;
370388     case FORE200E_STATE_INIT_BSQ:
371389 	fore200e_uninit_bs_queue(fore200e);
372390 
373
-	/* fall through */
391
+	fallthrough;
374392     case FORE200E_STATE_INIT_RXQ:
375
-	fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.status);
376
-	fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.rpd);
393
+	fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.status);
394
+	fore200e_dma_chunk_free(fore200e, &fore200e->host_rxq.rpd);
377395 
378
-	/* fall through */
396
+	fallthrough;
379397     case FORE200E_STATE_INIT_TXQ:
380
-	fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.status);
381
-	fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.tpd);
398
+	fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.status);
399
+	fore200e_dma_chunk_free(fore200e, &fore200e->host_txq.tpd);
382400 
383
-	/* fall through */
401
+	fallthrough;
384402     case FORE200E_STATE_INIT_CMDQ:
385
-	fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_cmdq.status);
403
+	fore200e_dma_chunk_free(fore200e, &fore200e->host_cmdq.status);
386404 
387
-	/* fall through */
405
+	fallthrough;
388406     case FORE200E_STATE_INITIALIZE:
389407 	/* nothing to do for that state */
390408 
....@@ -397,7 +415,7 @@
397415     case FORE200E_STATE_MAP:
398416 	fore200e->bus->unmap(fore200e);
399417 
400
-	/* fall through */
418
+	fallthrough;
401419     case FORE200E_STATE_CONFIGURE:
402420 	/* nothing to do for that state */
403421 
....@@ -428,81 +446,6 @@
428446        the endianess of slave RAM accesses  */
429447     writel(cpu_to_le32(val), addr);
430448 }
431
-
432
-
433
-static u32
434
-fore200e_pca_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction)
435
-{
436
-    u32 dma_addr = dma_map_single(&((struct pci_dev *) fore200e->bus_dev)->dev, virt_addr, size, direction);
437
-
438
-    DPRINTK(3, "PCI DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d,  --> dma_addr = 0x%08x\n",
439
-	    virt_addr, size, direction, dma_addr);
440
-    
441
-    return dma_addr;
442
-}
443
-
444
-
445
-static void
446
-fore200e_pca_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
447
-{
448
-    DPRINTK(3, "PCI DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d\n",
449
-	    dma_addr, size, direction);
450
-
451
-    dma_unmap_single(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction);
452
-}
453
-
454
-
455
-static void
456
-fore200e_pca_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
457
-{
458
-    DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
459
-
460
-    dma_sync_single_for_cpu(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction);
461
-}
462
-
463
-static void
464
-fore200e_pca_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
465
-{
466
-    DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
467
-
468
-    dma_sync_single_for_device(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction);
469
-}
470
-
471
-
472
-/* allocate a DMA consistent chunk of memory intended to act as a communication mechanism
473
-   (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */
474
-
475
-static int
476
-fore200e_pca_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk,
477
-			     int size, int nbr, int alignment)
478
-{
479
-    /* returned chunks are page-aligned */
480
-    chunk->alloc_size = size * nbr;
481
-    chunk->alloc_addr = dma_alloc_coherent(&((struct pci_dev *) fore200e->bus_dev)->dev,
482
-					   chunk->alloc_size,
483
-					   &chunk->dma_addr,
484
-					   GFP_KERNEL);
485
-    
486
-    if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0))
487
-	return -ENOMEM;
488
-
489
-    chunk->align_addr = chunk->alloc_addr;
490
-    
491
-    return 0;
492
-}
493
-
494
-
495
-/* free a DMA consistent chunk of memory */
496
-
497
-static void
498
-fore200e_pca_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk)
499
-{
500
-    dma_free_coherent(&((struct pci_dev *) fore200e->bus_dev)->dev,
501
-			chunk->alloc_size,
502
-			chunk->alloc_addr,
503
-			chunk->dma_addr);
504
-}
505
-
506449 
507450 static int
508451 fore200e_pca_irq_check(struct fore200e* fore200e)
....@@ -571,7 +514,7 @@
571514 
572515 static int fore200e_pca_configure(struct fore200e *fore200e)
573516 {
574
-    struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev;
517
+    struct pci_dev *pci_dev = to_pci_dev(fore200e->dev);
575518     u8              master_ctrl, latency;
576519 
577520     DPRINTK(2, "device %s being configured\n", fore200e->name);
....@@ -623,7 +566,10 @@
623566     opcode.opcode = OPCODE_GET_PROM;
624567     opcode.pad    = 0;
625568 
626
-    prom_dma = fore200e->bus->dma_map(fore200e, prom, sizeof(struct prom_data), DMA_FROM_DEVICE);
569
+    prom_dma = dma_map_single(fore200e->dev, prom, sizeof(struct prom_data),
570
+			      DMA_FROM_DEVICE);
571
+    if (dma_mapping_error(fore200e->dev, prom_dma))
572
+	return -ENOMEM;
627573 
628574     fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr);
629575     
....@@ -635,7 +581,7 @@
635581 
636582     *entry->status = STATUS_FREE;
637583 
638
-    fore200e->bus->dma_unmap(fore200e, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE);
584
+    dma_unmap_single(fore200e->dev, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE);
639585 
640586     if (ok == 0) {
641587 	printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name);
....@@ -658,14 +604,30 @@
658604 static int
659605 fore200e_pca_proc_read(struct fore200e* fore200e, char *page)
660606 {
661
-    struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev;
607
+    struct pci_dev *pci_dev = to_pci_dev(fore200e->dev);
662608 
663609     return sprintf(page, "   PCI bus/slot/function:\t%d/%d/%d\n",
664610 		   pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
665611 }
666612 
613
+static const struct fore200e_bus fore200e_pci_ops = {
614
+	.model_name		= "PCA-200E",
615
+	.proc_name		= "pca200e",
616
+	.descr_alignment	= 32,
617
+	.buffer_alignment	= 4,
618
+	.status_alignment	= 32,
619
+	.read			= fore200e_pca_read,
620
+	.write			= fore200e_pca_write,
621
+	.configure		= fore200e_pca_configure,
622
+	.map			= fore200e_pca_map,
623
+	.reset			= fore200e_pca_reset,
624
+	.prom_read		= fore200e_pca_prom_read,
625
+	.unmap			= fore200e_pca_unmap,
626
+	.irq_check		= fore200e_pca_irq_check,
627
+	.irq_ack		= fore200e_pca_irq_ack,
628
+	.proc_read		= fore200e_pca_proc_read,
629
+};
667630 #endif /* CONFIG_PCI */
668
-
669631 
670632 #ifdef CONFIG_SBUS
671633 
....@@ -677,78 +639,6 @@
677639 static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr)
678640 {
679641     sbus_writel(val, addr);
680
-}
681
-
682
-static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction)
683
-{
684
-	struct platform_device *op = fore200e->bus_dev;
685
-	u32 dma_addr;
686
-
687
-	dma_addr = dma_map_single(&op->dev, virt_addr, size, direction);
688
-
689
-	DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n",
690
-		virt_addr, size, direction, dma_addr);
691
-    
692
-	return dma_addr;
693
-}
694
-
695
-static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
696
-{
697
-	struct platform_device *op = fore200e->bus_dev;
698
-
699
-	DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n",
700
-		dma_addr, size, direction);
701
-
702
-	dma_unmap_single(&op->dev, dma_addr, size, direction);
703
-}
704
-
705
-static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
706
-{
707
-	struct platform_device *op = fore200e->bus_dev;
708
-
709
-	DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
710
-    
711
-	dma_sync_single_for_cpu(&op->dev, dma_addr, size, direction);
712
-}
713
-
714
-static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
715
-{
716
-	struct platform_device *op = fore200e->bus_dev;
717
-
718
-	DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
719
-
720
-	dma_sync_single_for_device(&op->dev, dma_addr, size, direction);
721
-}
722
-
723
-/* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism
724
- * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter.
725
- */
726
-static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk,
727
-					int size, int nbr, int alignment)
728
-{
729
-	struct platform_device *op = fore200e->bus_dev;
730
-
731
-	chunk->alloc_size = chunk->align_size = size * nbr;
732
-
733
-	/* returned chunks are page-aligned */
734
-	chunk->alloc_addr = dma_alloc_coherent(&op->dev, chunk->alloc_size,
735
-					       &chunk->dma_addr, GFP_ATOMIC);
736
-
737
-	if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0))
738
-		return -ENOMEM;
739
-
740
-	chunk->align_addr = chunk->alloc_addr;
741
-    
742
-	return 0;
743
-}
744
-
745
-/* free a DVMA consistent chunk of memory */
746
-static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk)
747
-{
748
-	struct platform_device *op = fore200e->bus_dev;
749
-
750
-	dma_free_coherent(&op->dev, chunk->alloc_size,
751
-			  chunk->alloc_addr, chunk->dma_addr);
752642 }
753643 
754644 static void fore200e_sba_irq_enable(struct fore200e *fore200e)
....@@ -777,7 +667,7 @@
777667 
778668 static int __init fore200e_sba_map(struct fore200e *fore200e)
779669 {
780
-	struct platform_device *op = fore200e->bus_dev;
670
+	struct platform_device *op = to_platform_device(fore200e->dev);
781671 	unsigned int bursts;
782672 
783673 	/* gain access to the SBA specific registers  */
....@@ -807,7 +697,7 @@
807697 
808698 static void fore200e_sba_unmap(struct fore200e *fore200e)
809699 {
810
-	struct platform_device *op = fore200e->bus_dev;
700
+	struct platform_device *op = to_platform_device(fore200e->dev);
811701 
812702 	of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH);
813703 	of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH);
....@@ -823,7 +713,7 @@
823713 
824714 static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom)
825715 {
826
-	struct platform_device *op = fore200e->bus_dev;
716
+	struct platform_device *op = to_platform_device(fore200e->dev);
827717 	const u8 *prop;
828718 	int len;
829719 
....@@ -847,16 +737,34 @@
847737 
848738 static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page)
849739 {
850
-	struct platform_device *op = fore200e->bus_dev;
740
+	struct platform_device *op = to_platform_device(fore200e->dev);
851741 	const struct linux_prom_registers *regs;
852742 
853743 	regs = of_get_property(op->dev.of_node, "reg", NULL);
854744 
855
-	return sprintf(page, "   SBUS slot/device:\t\t%d/'%s'\n",
856
-		       (regs ? regs->which_io : 0), op->dev.of_node->name);
745
+	return sprintf(page, "   SBUS slot/device:\t\t%d/'%pOFn'\n",
746
+		       (regs ? regs->which_io : 0), op->dev.of_node);
857747 }
858
-#endif /* CONFIG_SBUS */
859748 
749
+static const struct fore200e_bus fore200e_sbus_ops = {
750
+	.model_name		= "SBA-200E",
751
+	.proc_name		= "sba200e",
752
+	.descr_alignment	= 32,
753
+	.buffer_alignment	= 64,
754
+	.status_alignment	= 32,
755
+	.read			= fore200e_sba_read,
756
+	.write			= fore200e_sba_write,
757
+	.configure		= fore200e_sba_configure,
758
+	.map			= fore200e_sba_map,
759
+	.reset			= fore200e_sba_reset,
760
+	.prom_read		= fore200e_sba_prom_read,
761
+	.unmap			= fore200e_sba_unmap,
762
+	.irq_enable		= fore200e_sba_irq_enable,
763
+	.irq_check		= fore200e_sba_irq_check,
764
+	.irq_ack		= fore200e_sba_irq_ack,
765
+	.proc_read		= fore200e_sba_proc_read,
766
+};
767
+#endif /* CONFIG_SBUS */
860768 
861769 static void
862770 fore200e_tx_irq(struct fore200e* fore200e)
....@@ -884,7 +792,7 @@
884792 	kfree(entry->data);
885793 	
886794 	/* remove DMA mapping */
887
-	fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length,
795
+	dma_unmap_single(fore200e->dev, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length,
888796 				 DMA_TO_DEVICE);
889797 
890798 	vc_map = entry->vc_map;
....@@ -1105,12 +1013,14 @@
11051013 	buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle);
11061014 	
11071015 	/* Make device DMA transfer visible to CPU.  */
1108
-	fore200e->bus->dma_sync_for_cpu(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE);
1016
+	dma_sync_single_for_cpu(fore200e->dev, buffer->data.dma_addr,
1017
+				rpd->rsd[i].length, DMA_FROM_DEVICE);
11091018 	
11101019 	skb_put_data(skb, buffer->data.align_addr, rpd->rsd[i].length);
11111020 
11121021 	/* Now let the device get at it again.  */
1113
-	fore200e->bus->dma_sync_for_device(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE);
1022
+	dma_sync_single_for_device(fore200e->dev, buffer->data.dma_addr,
1023
+				   rpd->rsd[i].length, DMA_FROM_DEVICE);
11141024     }
11151025 
11161026     DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize);
....@@ -1622,7 +1532,7 @@
16221532     }
16231533     
16241534     if (tx_copy) {
1625
-	data = kmalloc(tx_len, GFP_ATOMIC | GFP_DMA);
1535
+	data = kmalloc(tx_len, GFP_ATOMIC);
16261536 	if (data == NULL) {
16271537 	    if (vcc->pop) {
16281538 		vcc->pop(vcc, skb);
....@@ -1690,7 +1600,14 @@
16901600     entry->data   = tx_copy ? data : NULL;
16911601 
16921602     tpd = entry->tpd;
1693
-    tpd->tsd[ 0 ].buffer = fore200e->bus->dma_map(fore200e, data, tx_len, DMA_TO_DEVICE);
1603
+    tpd->tsd[ 0 ].buffer = dma_map_single(fore200e->dev, data, tx_len,
1604
+					  DMA_TO_DEVICE);
1605
+    if (dma_mapping_error(fore200e->dev, tpd->tsd[0].buffer)) {
1606
+	if (tx_copy)
1607
+	    kfree(data);
1608
+	spin_unlock_irqrestore(&fore200e->q_lock, flags);
1609
+	return -ENOMEM;
1610
+    }
16941611     tpd->tsd[ 0 ].length = tx_len;
16951612 
16961613     FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX);
....@@ -1758,13 +1675,15 @@
17581675     u32                     stats_dma_addr;
17591676 
17601677     if (fore200e->stats == NULL) {
1761
-	fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL | GFP_DMA);
1678
+	fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL);
17621679 	if (fore200e->stats == NULL)
17631680 	    return -ENOMEM;
17641681     }
17651682     
1766
-    stats_dma_addr = fore200e->bus->dma_map(fore200e, fore200e->stats,
1767
-					    sizeof(struct stats), DMA_FROM_DEVICE);
1683
+    stats_dma_addr = dma_map_single(fore200e->dev, fore200e->stats,
1684
+				    sizeof(struct stats), DMA_FROM_DEVICE);
1685
+    if (dma_mapping_error(fore200e->dev, stats_dma_addr))
1686
+    	return -ENOMEM;
17681687     
17691688     FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD);
17701689 
....@@ -1781,7 +1700,7 @@
17811700 
17821701     *entry->status = STATUS_FREE;
17831702 
1784
-    fore200e->bus->dma_unmap(fore200e, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE);
1703
+    dma_unmap_single(fore200e->dev, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE);
17851704     
17861705     if (ok == 0) {
17871706 	printk(FORE200E "unable to get statistics from device %s\n", fore200e->name);
....@@ -1790,31 +1709,6 @@
17901709 
17911710     return 0;
17921711 }
1793
-
1794
-
1795
-static int
1796
-fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen)
1797
-{
1798
-    /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
1799
-
1800
-    DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
1801
-	    vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
1802
-
1803
-    return -EINVAL;
1804
-}
1805
-
1806
-
1807
-static int
1808
-fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen)
1809
-{
1810
-    /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
1811
-    
1812
-    DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
1813
-	    vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
1814
-    
1815
-    return -EINVAL;
1816
-}
1817
-
18181712 
18191713 #if 0 /* currently unused */
18201714 static int
....@@ -2060,7 +1954,7 @@
20601954 
20611955 static int fore200e_get_esi(struct fore200e *fore200e)
20621956 {
2063
-    struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL | GFP_DMA);
1957
+    struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL);
20641958     int ok, i;
20651959 
20661960     if (!prom)
....@@ -2167,7 +2061,7 @@
21672061 	    bsq = &fore200e->host_bsq[ scheme ][ magn ];
21682062 
21692063 	    /* allocate and align the array of status words */
2170
-	    if (fore200e->bus->dma_chunk_alloc(fore200e,
2064
+	    if (fore200e_dma_chunk_alloc(fore200e,
21712065 					       &bsq->status,
21722066 					       sizeof(enum status), 
21732067 					       QUEUE_SIZE_BS,
....@@ -2176,13 +2070,13 @@
21762070 	    }
21772071 
21782072 	    /* allocate and align the array of receive buffer descriptors */
2179
-	    if (fore200e->bus->dma_chunk_alloc(fore200e,
2073
+	    if (fore200e_dma_chunk_alloc(fore200e,
21802074 					       &bsq->rbd_block,
21812075 					       sizeof(struct rbd_block),
21822076 					       QUEUE_SIZE_BS,
21832077 					       fore200e->bus->descr_alignment) < 0) {
21842078 		
2185
-		fore200e->bus->dma_chunk_free(fore200e, &bsq->status);
2079
+		fore200e_dma_chunk_free(fore200e, &bsq->status);
21862080 		return -ENOMEM;
21872081 	    }
21882082 	    
....@@ -2223,7 +2117,7 @@
22232117     DPRINTK(2, "receive queue is being initialized\n");
22242118 
22252119     /* allocate and align the array of status words */
2226
-    if (fore200e->bus->dma_chunk_alloc(fore200e,
2120
+    if (fore200e_dma_chunk_alloc(fore200e,
22272121 				       &rxq->status,
22282122 				       sizeof(enum status), 
22292123 				       QUEUE_SIZE_RX,
....@@ -2232,13 +2126,13 @@
22322126     }
22332127 
22342128     /* allocate and align the array of receive PDU descriptors */
2235
-    if (fore200e->bus->dma_chunk_alloc(fore200e,
2129
+    if (fore200e_dma_chunk_alloc(fore200e,
22362130 				       &rxq->rpd,
22372131 				       sizeof(struct rpd), 
22382132 				       QUEUE_SIZE_RX,
22392133 				       fore200e->bus->descr_alignment) < 0) {
22402134 	
2241
-	fore200e->bus->dma_chunk_free(fore200e, &rxq->status);
2135
+	fore200e_dma_chunk_free(fore200e, &rxq->status);
22422136 	return -ENOMEM;
22432137     }
22442138 
....@@ -2282,7 +2176,7 @@
22822176     DPRINTK(2, "transmit queue is being initialized\n");
22832177 
22842178     /* allocate and align the array of status words */
2285
-    if (fore200e->bus->dma_chunk_alloc(fore200e,
2179
+    if (fore200e_dma_chunk_alloc(fore200e,
22862180 				       &txq->status,
22872181 				       sizeof(enum status), 
22882182 				       QUEUE_SIZE_TX,
....@@ -2291,13 +2185,13 @@
22912185     }
22922186 
22932187     /* allocate and align the array of transmit PDU descriptors */
2294
-    if (fore200e->bus->dma_chunk_alloc(fore200e,
2188
+    if (fore200e_dma_chunk_alloc(fore200e,
22952189 				       &txq->tpd,
22962190 				       sizeof(struct tpd), 
22972191 				       QUEUE_SIZE_TX,
22982192 				       fore200e->bus->descr_alignment) < 0) {
22992193 	
2300
-	fore200e->bus->dma_chunk_free(fore200e, &txq->status);
2194
+	fore200e_dma_chunk_free(fore200e, &txq->status);
23012195 	return -ENOMEM;
23022196     }
23032197 
....@@ -2344,7 +2238,7 @@
23442238     DPRINTK(2, "command queue is being initialized\n");
23452239 
23462240     /* allocate and align the array of status words */
2347
-    if (fore200e->bus->dma_chunk_alloc(fore200e,
2241
+    if (fore200e_dma_chunk_alloc(fore200e,
23482242 				       &cmdq->status,
23492243 				       sizeof(enum status), 
23502244 				       QUEUE_SIZE_CMD,
....@@ -2498,25 +2392,15 @@
24982392 static int fore200e_load_and_start_fw(struct fore200e *fore200e)
24992393 {
25002394     const struct firmware *firmware;
2501
-    struct device *device;
25022395     const struct fw_header *fw_header;
25032396     const __le32 *fw_data;
25042397     u32 fw_size;
25052398     u32 __iomem *load_addr;
25062399     char buf[48];
2507
-    int err = -ENODEV;
2508
-
2509
-    if (strcmp(fore200e->bus->model_name, "PCA-200E") == 0)
2510
-	device = &((struct pci_dev *) fore200e->bus_dev)->dev;
2511
-#ifdef CONFIG_SBUS
2512
-    else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0)
2513
-	device = &((struct platform_device *) fore200e->bus_dev)->dev;
2514
-#endif
2515
-    else
2516
-	return err;
2400
+    int err;
25172401 
25182402     sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT);
2519
-    if ((err = request_firmware(&firmware, buf, device)) < 0) {
2403
+    if ((err = request_firmware(&firmware, buf, fore200e->dev)) < 0) {
25202404 	printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name);
25212405 	return err;
25222406     }
....@@ -2642,7 +2526,6 @@
26422526 static int fore200e_sba_probe(struct platform_device *op)
26432527 {
26442528 	const struct of_device_id *match;
2645
-	const struct fore200e_bus *bus;
26462529 	struct fore200e *fore200e;
26472530 	static int index = 0;
26482531 	int err;
....@@ -2650,18 +2533,17 @@
26502533 	match = of_match_device(fore200e_sba_match, &op->dev);
26512534 	if (!match)
26522535 		return -EINVAL;
2653
-	bus = match->data;
26542536 
26552537 	fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL);
26562538 	if (!fore200e)
26572539 		return -ENOMEM;
26582540 
2659
-	fore200e->bus = bus;
2660
-	fore200e->bus_dev = op;
2541
+	fore200e->bus = &fore200e_sbus_ops;
2542
+	fore200e->dev = &op->dev;
26612543 	fore200e->irq = op->archdata.irqs[0];
26622544 	fore200e->phys_base = op->resource[0].start;
26632545 
2664
-	sprintf(fore200e->name, "%s-%d", bus->model_name, index);
2546
+	sprintf(fore200e->name, "SBA-200E-%d", index);
26652547 
26662548 	err = fore200e_init(fore200e, &op->dev);
26672549 	if (err < 0) {
....@@ -2689,7 +2571,6 @@
26892571 static const struct of_device_id fore200e_sba_match[] = {
26902572 	{
26912573 		.name = SBA200E_PROM_NAME,
2692
-		.data = (void *) &fore200e_bus[1],
26932574 	},
26942575 	{},
26952576 };
....@@ -2709,7 +2590,6 @@
27092590 static int fore200e_pca_detect(struct pci_dev *pci_dev,
27102591 			       const struct pci_device_id *pci_ent)
27112592 {
2712
-    const struct fore200e_bus* bus = (struct fore200e_bus*) pci_ent->driver_data;
27132593     struct fore200e* fore200e;
27142594     int err = 0;
27152595     static int index = 0;
....@@ -2730,20 +2610,19 @@
27302610 	goto out_disable;
27312611     }
27322612 
2733
-    fore200e->bus       = bus;
2734
-    fore200e->bus_dev   = pci_dev;    
2613
+    fore200e->bus       = &fore200e_pci_ops;
2614
+    fore200e->dev	= &pci_dev->dev;
27352615     fore200e->irq       = pci_dev->irq;
27362616     fore200e->phys_base = pci_resource_start(pci_dev, 0);
27372617 
2738
-    sprintf(fore200e->name, "%s-%d", bus->model_name, index - 1);
2618
+    sprintf(fore200e->name, "PCA-200E-%d", index - 1);
27392619 
27402620     pci_set_master(pci_dev);
27412621 
2742
-    printk(FORE200E "device %s found at 0x%lx, IRQ %s\n",
2743
-	   fore200e->bus->model_name, 
2622
+    printk(FORE200E "device PCA-200E found at 0x%lx, IRQ %s\n",
27442623 	   fore200e->phys_base, fore200e_irq_itoa(fore200e->irq));
27452624 
2746
-    sprintf(fore200e->name, "%s-%d", bus->model_name, index);
2625
+    sprintf(fore200e->name, "PCA-200E-%d", index);
27472626 
27482627     err = fore200e_init(fore200e, &pci_dev->dev);
27492628     if (err < 0) {
....@@ -2778,8 +2657,7 @@
27782657 
27792658 
27802659 static const struct pci_device_id fore200e_pca_tbl[] = {
2781
-    { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID,
2782
-      0, 0, (unsigned long) &fore200e_bus[0] },
2660
+    { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID },
27832661     { 0, }
27842662 };
27852663 
....@@ -3119,64 +2997,14 @@
31192997 module_exit(fore200e_module_cleanup);
31202998 
31212999 
3122
-static const struct atmdev_ops fore200e_ops =
3123
-{
3000
+static const struct atmdev_ops fore200e_ops = {
31243001 	.open       = fore200e_open,
31253002 	.close      = fore200e_close,
31263003 	.ioctl      = fore200e_ioctl,
3127
-	.getsockopt = fore200e_getsockopt,
3128
-	.setsockopt = fore200e_setsockopt,
31293004 	.send       = fore200e_send,
31303005 	.change_qos = fore200e_change_qos,
31313006 	.proc_read  = fore200e_proc_read,
31323007 	.owner      = THIS_MODULE
3133
-};
3134
-
3135
-
3136
-static const struct fore200e_bus fore200e_bus[] = {
3137
-#ifdef CONFIG_PCI
3138
-    { "PCA-200E", "pca200e", 32, 4, 32, 
3139
-      fore200e_pca_read,
3140
-      fore200e_pca_write,
3141
-      fore200e_pca_dma_map,
3142
-      fore200e_pca_dma_unmap,
3143
-      fore200e_pca_dma_sync_for_cpu,
3144
-      fore200e_pca_dma_sync_for_device,
3145
-      fore200e_pca_dma_chunk_alloc,
3146
-      fore200e_pca_dma_chunk_free,
3147
-      fore200e_pca_configure,
3148
-      fore200e_pca_map,
3149
-      fore200e_pca_reset,
3150
-      fore200e_pca_prom_read,
3151
-      fore200e_pca_unmap,
3152
-      NULL,
3153
-      fore200e_pca_irq_check,
3154
-      fore200e_pca_irq_ack,
3155
-      fore200e_pca_proc_read,
3156
-    },
3157
-#endif
3158
-#ifdef CONFIG_SBUS
3159
-    { "SBA-200E", "sba200e", 32, 64, 32,
3160
-      fore200e_sba_read,
3161
-      fore200e_sba_write,
3162
-      fore200e_sba_dma_map,
3163
-      fore200e_sba_dma_unmap,
3164
-      fore200e_sba_dma_sync_for_cpu,
3165
-      fore200e_sba_dma_sync_for_device,
3166
-      fore200e_sba_dma_chunk_alloc,
3167
-      fore200e_sba_dma_chunk_free,
3168
-      fore200e_sba_configure,
3169
-      fore200e_sba_map,
3170
-      fore200e_sba_reset,
3171
-      fore200e_sba_prom_read,
3172
-      fore200e_sba_unmap,
3173
-      fore200e_sba_irq_enable,
3174
-      fore200e_sba_irq_check,
3175
-      fore200e_sba_irq_ack,
3176
-      fore200e_sba_proc_read,
3177
-    },
3178
-#endif
3179
-    {}
31803008 };
31813009 
31823010 MODULE_LICENSE("GPL");