diff options
author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 1998-08-26 21:38:08 +0000 |
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committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 1998-08-26 21:38:08 +0000 |
commit | 76bb7975168f69daecc75250a787d3683a266698 (patch) | |
tree | f937e7adebde067998e97c62aac984bc7fe7ee45 /drivers/scsi | |
parent | 529f79532fad4a72e88abfeaa2cab4b06481990c (diff) |
fixed merging bugs
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/Makefile | 4 | ||||
-rw-r--r-- | drivers/scsi/jazz_esp.c | 277 | ||||
-rw-r--r-- | drivers/scsi/jazz_esp.h | 41 |
3 files changed, 1 insertions, 321 deletions
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 58aca955c..e28e933e9 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -538,10 +538,6 @@ ifeq ($(CONFIG_JAZZ_ESP),y) L_OBJS += NCR53C9x.o jazz_esp.o endif -ifeq ($(CONFIG_JAZZ_ESP),y) -L_OBJS += esp.o jazz_esp.o -endif - include $(TOPDIR)/Rules.make 53c8xx_d.h: 53c7,8xx.scr script_asm.pl 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 -} diff --git a/drivers/scsi/jazz_esp.h b/drivers/scsi/jazz_esp.h index 66cf65356..a36942795 100644 --- a/drivers/scsi/jazz_esp.h +++ b/drivers/scsi/jazz_esp.h @@ -37,44 +37,3 @@ extern int esp_proc_info(char *buffer, char **start, off_t offset, int length, use_clustering: DISABLE_CLUSTERING, } #endif /* JAZZ_ESP_H */ - -/* jazz_esp.h: Defines and structures for the JAZZ SCSI driver. - * - * Copyright (C) 1997 Thomas Bogendoerfer (tsbogend@alpha.franken.de) - */ - -#ifndef JAZZ_ESP_H -#define JAZZ_ESP_H - -#define EREGS_PAD(n) - -#include "esp.h" - - -extern int jazz_esp_detect(struct SHT *); -extern const char *esp_info(struct Scsi_Host *); -extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); -extern int esp_command(Scsi_Cmnd *); -extern int esp_abort(Scsi_Cmnd *); -extern int esp_reset(Scsi_Cmnd *, unsigned int); -extern int esp_proc_info(char *buffer, char **start, off_t offset, int length, - int hostno, int inout); - -#define SCSI_JAZZ_ESP { \ - proc_dir: &proc_scsi_esp, \ - proc_info: &esp_proc_info, \ - name: "Sun ESP 100/100a/200", \ - detect: jazz_esp_detect, \ - info: esp_info, \ - command: esp_command, \ - queuecommand: esp_queue, \ - abort: esp_abort, \ - reset: esp_reset, \ - can_queue: 7, \ - this_id: 7, \ - sg_tablesize: SG_ALL, \ - cmd_per_lun: 1, \ - use_clustering: DISABLE_CLUSTERING, } - -#endif /* JAZZ_ESP_H */ - |