a2091.c (05668381140309088443bf5dc53add4104610fbb) a2091.c (65396410af63db90d6428c678ff84aa652c3c1ec)
1#include <linux/types.h>
2#include <linux/mm.h>
3#include <linux/blkdev.h>
4#include <linux/sched.h>
5#include <linux/init.h>
6#include <linux/interrupt.h>
7
8#include <asm/setup.h>

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35 return IRQ_NONE;
36
37 spin_lock_irqsave(instance->host_lock, flags);
38 wd33c93_intr(instance);
39 spin_unlock_irqrestore(instance->host_lock, flags);
40 return IRQ_HANDLED;
41}
42
1#include <linux/types.h>
2#include <linux/mm.h>
3#include <linux/blkdev.h>
4#include <linux/sched.h>
5#include <linux/init.h>
6#include <linux/interrupt.h>
7
8#include <asm/setup.h>

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35 return IRQ_NONE;
36
37 spin_lock_irqsave(instance->host_lock, flags);
38 wd33c93_intr(instance);
39 spin_unlock_irqrestore(instance->host_lock, flags);
40 return IRQ_HANDLED;
41}
42
43static int dma_setup (Scsi_Cmnd *cmd, int dir_in)
43static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
44{
45 unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
46 unsigned long addr = virt_to_bus(cmd->SCp.ptr);
47 struct Scsi_Host *instance = cmd->device->host;
48
49 /* don't allow DMA if the physical address is bad */
50 if (addr & A2091_XFER_MASK ||
51 (!dir_in && mm_end_of_chunk (addr, cmd->SCp.this_residual)))

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110 }
111 /* start DMA */
112 DMA(cmd->device->host)->ST_DMA = 1;
113
114 /* return success */
115 return 0;
116}
117
44{
45 unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
46 unsigned long addr = virt_to_bus(cmd->SCp.ptr);
47 struct Scsi_Host *instance = cmd->device->host;
48
49 /* don't allow DMA if the physical address is bad */
50 if (addr & A2091_XFER_MASK ||
51 (!dir_in && mm_end_of_chunk (addr, cmd->SCp.this_residual)))

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110 }
111 /* start DMA */
112 DMA(cmd->device->host)->ST_DMA = 1;
113
114 /* return success */
115 return 0;
116}
117
118static void dma_stop (struct Scsi_Host *instance, Scsi_Cmnd *SCpnt,
118static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
119 int status)
120{
121 /* disable SCSI interrupts */
122 unsigned short cntr = CNTR_PDMD;
123
124 if (!HDATA(instance)->dma_dir)
125 cntr |= CNTR_DDIR;
126

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212 instance);
213 DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
214 num_a2091++;
215 }
216
217 return num_a2091;
218}
219
119 int status)
120{
121 /* disable SCSI interrupts */
122 unsigned short cntr = CNTR_PDMD;
123
124 if (!HDATA(instance)->dma_dir)
125 cntr |= CNTR_DDIR;
126

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212 instance);
213 DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
214 num_a2091++;
215 }
216
217 return num_a2091;
218}
219
220static int a2091_bus_reset(Scsi_Cmnd *cmd)
220static int a2091_bus_reset(struct scsi_cmnd *cmd)
221{
222 /* FIXME perform bus-specific reset */
223
224 /* FIXME 2: kill this function, and let midlayer fall back
225 to the same action, calling wd33c93_host_reset() */
226
227 spin_lock_irq(cmd->device->host->host_lock);
228 wd33c93_host_reset(cmd);

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222 /* FIXME perform bus-specific reset */
223
224 /* FIXME 2: kill this function, and let midlayer fall back
225 to the same action, calling wd33c93_host_reset() */
226
227 spin_lock_irq(cmd->device->host->host_lock);
228 wd33c93_host_reset(cmd);

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