fixed merging bugs

1 files changed, 1 insertions, 276 deletions

diff --git a/drivers/scsi/jazz_esp.c b/drivers/scsi/jazz_esp.c
index 6fa905125..fbd69a1e1 100644
--- a/drivers/scsi/jazz_esp.c
+++ b/drivers/scsi/jazz_esp.c
@@ -1,7 +1,7 @@
 /*
  * jazz_esp.c: Driver for SCSI chip on Mips Magnum Boards (JAZZ architecture)
  *
- * Copyright (C) 1997 Thomas Boegndoerfer (tsbogend@alpha.franken.de)
+ * Copyright (C) 1997 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
  *
  * jazz_esp is based on David S. Miller's ESP driver and cyber_esp
  */
@@ -273,278 +273,3 @@ static void dma_led_on(struct NCR_ESP *esp)
     *(unsigned char *)JAZZ_HDC_LED = 1;
 #endif    
 }
-/*
- * jazz_esp.c: Driver for SCSI chip on Mips Magnum Boards (JAZZ architecture)
- *
- * Copyright (C) 1997 Thomas Boegndoerfer (tsbogend@alpha.franken.de)
- *
- * jazz_esp is based on David S. Miller's ESP driver and cyber_esp
- */
-
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/malloc.h>
-#include <linux/blk.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-
-#include "scsi.h"
-#include "hosts.h"
-#include "esp.h"
-#include "jazz_esp.h"
-
-#include <asm/irq.h>
-#include <asm/jazz.h>
-#include <asm/jazzdma.h>
-#include <asm/dma.h>
-
-#include <asm/pgtable.h>
-
-static int  dma_bytes_sent(struct Sparc_ESP *esp, int fifo_count);
-static int  dma_can_transfer(struct Sparc_ESP *esp, Scsi_Cmnd *sp);
-static void dma_dump_state(struct Sparc_ESP *esp);
-static void dma_init_read(struct Sparc_ESP *esp, __u32 vaddress, int length);
-static void dma_init_write(struct Sparc_ESP *esp, __u32 vaddress, int length);
-static void dma_ints_off(struct Sparc_ESP *esp);
-static void dma_ints_on(struct Sparc_ESP *esp);
-static int  dma_irq_p(struct Sparc_ESP *esp);
-static int  dma_ports_p(struct Sparc_ESP *esp);
-static void dma_setup(struct Sparc_ESP *esp, __u32 addr, int count, int write);
-static void dma_mmu_get_scsi_one (struct Sparc_ESP *esp, Scsi_Cmnd *sp);
-static void dma_mmu_get_scsi_sgl (struct Sparc_ESP *esp, Scsi_Cmnd *sp);
-static void dma_mmu_release_scsi_one (struct Sparc_ESP *esp, Scsi_Cmnd *sp);
-static void dma_mmu_release_scsi_sgl (struct Sparc_ESP *esp, Scsi_Cmnd *sp);
-static void dma_advance_sg (Scsi_Cmnd *sp);
-static void dma_led_off(struct Sparc_ESP *);
-static void dma_led_on(struct Sparc_ESP *);
-
-
-volatile unsigned char cmd_buffer[16];
-				/* This is where all commands are put
-				 * before they are trasfered to the ESP chip
-				 * via PIO.
-				 */
-
-/***************************************************************** Detection */
-int jazz_esp_detect(Scsi_Host_Template *tpnt)
-{
-    struct Sparc_ESP *esp;
-    struct ConfigDev *esp_dev;
-
-    /*
-     * first assumption it is there:-)
-     */
-    if (1) {
-	esp_dev = 0;
-	esp = esp_allocate(tpnt, (void *) esp_dev);
-	
-	/* Do command transfer with programmed I/O */
-	esp->do_pio_cmds = 1;
-	
-	/* Required functions */
-	esp->dma_bytes_sent = &dma_bytes_sent;
-	esp->dma_can_transfer = &dma_can_transfer;
-	esp->dma_dump_state = &dma_dump_state;
-	esp->dma_init_read = &dma_init_read;
-	esp->dma_init_write = &dma_init_write;
-	esp->dma_ints_off = &dma_ints_off;
-	esp->dma_ints_on = &dma_ints_on;
-	esp->dma_irq_p = &dma_irq_p;
-	esp->dma_ports_p = &dma_ports_p;
-	esp->dma_setup = &dma_setup;
-
-	/* Optional functions */
-	esp->dma_barrier = 0;
-	esp->dma_drain = 0;
-	esp->dma_invalidate = 0;
-	esp->dma_irq_entry = 0;
-	esp->dma_irq_exit = 0;
-	esp->dma_poll = 0;
-	esp->dma_reset = 0;
-	esp->dma_led_off = &dma_led_off;
-	esp->dma_led_on = &dma_led_on;
-	
-	/* virtual DMA functions */
-	esp->dma_mmu_get_scsi_one = &dma_mmu_get_scsi_one;
-	esp->dma_mmu_get_scsi_sgl = &dma_mmu_get_scsi_sgl;
-	esp->dma_mmu_release_scsi_one = &dma_mmu_release_scsi_one;
-	esp->dma_mmu_release_scsi_sgl = &dma_mmu_release_scsi_sgl;
-	esp->dma_advance_sg = &dma_advance_sg;
-
-
-	/* SCSI chip speed */
-	esp->cfreq = 40000000;
-
-	/* 
-	 * we don't give the address of DMA channel, but the number
-	 * of DMA channel, so we can use the jazz DMA functions
-	 * 
-	 */
-	esp->dregs = JAZZ_SCSI_DMA;
-	
-	/* ESP register base */
-	esp->eregs = (struct ESP_regs *)(JAZZ_SCSI_BASE);
-	
-	/* Set the command buffer */
-	esp->esp_command = (volatile unsigned char *)cmd_buffer;
-	
-	/* get virtual dma address for command buffer */
-	esp->esp_command_dvma = vdma_alloc(PHYSADDR(cmd_buffer), sizeof (cmd_buffer));
-	
-	esp->irq = JAZZ_SCSI_IRQ;
-	request_irq(JAZZ_SCSI_IRQ, do_esp_intr, SA_INTERRUPT, "JAZZ SCSI",
-	            NULL);
-
-	/*
-	 * FIXME, look if the scsi id is availabe from NVRAM
-	 */
-	esp->scsi_id = 7;
-		
-	/* Check for differential SCSI-bus */
-	/* What is this stuff? */
-	esp->diff = 0;
-
-	esp_initialize(esp);
-	
-	printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps,esps_in_use);
-	esps_running = esps_in_use;
-	return esps_in_use;
-    }
-    return 0;
-}
-
-/************************************************************* DMA Functions */
-static int dma_bytes_sent(struct Sparc_ESP *esp, int fifo_count)
-{
-    return fifo_count;
-}
-
-static int dma_can_transfer(struct Sparc_ESP *esp, Scsi_Cmnd *sp)
-{
-    /*
-     * maximum DMA size is 1MB
-     */
-    unsigned long sz = sp->SCp.this_residual;
-    if(sz > 0x100000)
-	sz = 0x100000;
-    return sz;
-}
-
-static void dma_dump_state(struct Sparc_ESP *esp)
-{
-    
-    ESPLOG(("esp%d: dma -- enable <%08x> residue <%08x\n",
-	    esp->esp_id, vdma_get_enable((int)esp->dregs), vdma_get_resdiue((int)esp->dregs)));
-}
-
-static void dma_init_read(struct Sparc_ESP *esp, __u32 vaddress, int length)
-{
-    flush_cache_all();
-    vdma_disable ((int)esp->dregs);
-    vdma_set_mode ((int)esp->dregs, DMA_MODE_READ);
-    vdma_set_addr ((int)esp->dregs, vaddress);
-    vdma_set_count ((int)esp->dregs, length);
-    vdma_enable ((int)esp->dregs);
-}
-
-static void dma_init_write(struct Sparc_ESP *esp, __u32 vaddress, int length)
-{
-    flush_cache_all();
-    vdma_disable ((int)esp->dregs);    
-    vdma_set_mode ((int)esp->dregs, DMA_MODE_WRITE);
-    vdma_set_addr ((int)esp->dregs, vaddress);
-    vdma_set_count ((int)esp->dregs, length);
-    vdma_enable ((int)esp->dregs);    
-}
-
-static void dma_ints_off(struct Sparc_ESP *esp)
-{
-    disable_irq(esp->irq);
-}
-
-static void dma_ints_on(struct Sparc_ESP *esp)
-{
-    enable_irq(esp->irq);
-}
-
-static int dma_irq_p(struct Sparc_ESP *esp)
-{
-    return (esp->eregs->esp_status & ESP_STAT_INTR);
-}
-
-static int dma_ports_p(struct Sparc_ESP *esp)
-{
-    int enable = vdma_get_enable((int)esp->dregs);
-    
-    return (enable & R4030_CHNL_ENABLE);
-}
-
-static void dma_setup(struct Sparc_ESP *esp, __u32 addr, int count, int write)
-{
-    /* 
-     * On the Sparc, DMA_ST_WRITE means "move data from device to memory"
-     * so when (write) is true, it actually means READ!
-     */
-    if(write){
-	dma_init_read(esp, addr, count);
-    } else {
-	dma_init_write(esp, addr, count);
-    }
-}
-
-static void dma_mmu_get_scsi_one (struct Sparc_ESP *esp, Scsi_Cmnd *sp)
-{
-    sp->SCp.have_data_in = vdma_alloc(PHYSADDR(sp->SCp.buffer), sp->SCp.this_residual);
-    sp->SCp.ptr = (char *)((unsigned long)sp->SCp.have_data_in);
-}
-
-static void dma_mmu_get_scsi_sgl (struct Sparc_ESP *esp, Scsi_Cmnd *sp)
-{
-    int sz = sp->SCp.buffers_residual;
-    struct mmu_sglist *sg = (struct mmu_sglist *) sp->SCp.buffer;
-    
-    while (sz >= 0) {
-	sg[sz].dvma_addr = vdma_alloc(PHYSADDR(sg[sz].addr), sg[sz].len);
-	sz--;
-    }
-    sp->SCp.ptr=(char *)((unsigned long)sp->SCp.buffer->dvma_address);
-}    
-
-static void dma_mmu_release_scsi_one (struct Sparc_ESP *esp, Scsi_Cmnd *sp)
-{
-    vdma_free(sp->SCp.have_data_in);
-}
-
-static void dma_mmu_release_scsi_sgl (struct Sparc_ESP *esp, Scsi_Cmnd *sp)
-{
-    int sz = sp->use_sg - 1;
-    struct mmu_sglist *sg = (struct mmu_sglist *)sp->buffer;
-			
-    while(sz >= 0) {
-	vdma_free(sg[sz].dvma_addr);
-	sz--;
-    }
-}
-
-static void dma_advance_sg (Scsi_Cmnd *sp)
-{
-    sp->SCp.ptr = (char *)((unsigned long)sp->SCp.buffer->dvma_address);
-}
-
-#define JAZZ_HDC_LED   0xe000d100 /* FIXME, find correct address */
-
-static void dma_led_off(struct Sparc_ESP *esp)
-{
-#if 0    
-    *(unsigned char *)JAZZ_HDC_LED = 0;
-#endif    
-}
-
-static void dma_led_on(struct Sparc_ESP *esp)
-{    
-#if 0    
-    *(unsigned char *)JAZZ_HDC_LED = 1;
-#endif    
-}