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@@ -30,161 +30,41 @@
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#include "NCR5380.h"
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/isapnp.h>
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#include <linux/isa.h>
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#include <linux/pnp.h>
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#include <linux/interrupt.h>
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#define MAX_CARDS 8
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/* old-style parameters for compatibility */
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static int ncr_irq;
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static int ncr_dma;
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static int ncr_addr;
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static int ncr_5380;
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static int ncr_53c400;
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static int ncr_53c400a;
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static int dtc_3181e;
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static int hp_c2502;
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module_param(ncr_irq, int, 0);
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module_param(ncr_addr, int, 0);
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module_param(ncr_5380, int, 0);
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module_param(ncr_53c400, int, 0);
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module_param(ncr_53c400a, int, 0);
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module_param(dtc_3181e, int, 0);
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module_param(hp_c2502, int, 0);
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static struct override {
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NCR5380_map_type NCR5380_map_name;
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int irq;
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int dma;
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int board; /* Use NCR53c400, Ricoh, etc. extensions ? */
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} overrides
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#ifdef GENERIC_NCR5380_OVERRIDE
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[] __initdata = GENERIC_NCR5380_OVERRIDE;
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#else
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[1] __initdata = { { 0,},};
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#endif
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static int irq[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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module_param_array(irq, int, NULL, 0);
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MODULE_PARM_DESC(irq, "IRQ number(s)");
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#define NO_OVERRIDES ARRAY_SIZE(overrides)
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static int base[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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module_param_array(base, int, NULL, 0);
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MODULE_PARM_DESC(base, "base address(es)");
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#ifndef MODULE
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static int card[] = { -1, -1, -1, -1, -1, -1, -1, -1 };
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module_param_array(card, int, NULL, 0);
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MODULE_PARM_DESC(card, "card type (0=NCR5380, 1=NCR53C400, 2=NCR53C400A, 3=DTC3181E, 4=HP C2502)");
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/**
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* internal_setup - handle lilo command string override
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* @board: BOARD_* identifier for the board
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* @str: unused
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* @ints: numeric parameters
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*
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* Do LILO command line initialization of the overrides array. Display
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* errors when needed
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*
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* Locks: none
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*/
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static void __init internal_setup(int board, char *str, int *ints)
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{
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static int commandline_current;
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switch (board) {
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case BOARD_NCR5380:
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if (ints[0] != 2 && ints[0] != 3) {
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printk(KERN_ERR "generic_NCR5380_setup : usage ncr5380=" STRVAL(NCR5380_map_name) ",irq,dma\n");
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return;
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}
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break;
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case BOARD_NCR53C400:
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if (ints[0] != 2) {
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printk(KERN_ERR "generic_NCR53C400_setup : usage ncr53c400=" STRVAL(NCR5380_map_name) ",irq\n");
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return;
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}
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break;
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case BOARD_NCR53C400A:
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if (ints[0] != 2) {
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printk(KERN_ERR "generic_NCR53C400A_setup : usage ncr53c400a=" STRVAL(NCR5380_map_name) ",irq\n");
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return;
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}
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break;
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case BOARD_DTC3181E:
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if (ints[0] != 2) {
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printk("generic_DTC3181E_setup : usage dtc3181e=" STRVAL(NCR5380_map_name) ",irq\n");
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return;
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}
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break;
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}
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if (commandline_current < NO_OVERRIDES) {
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overrides[commandline_current].NCR5380_map_name = (NCR5380_map_type) ints[1];
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overrides[commandline_current].irq = ints[2];
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if (ints[0] == 3)
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overrides[commandline_current].dma = ints[3];
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else
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overrides[commandline_current].dma = DMA_NONE;
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overrides[commandline_current].board = board;
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++commandline_current;
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}
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}
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/**
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* do_NCR53C80_setup - set up entry point
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* @str: unused
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*
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* Setup function invoked at boot to parse the ncr5380= command
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* line.
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*/
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static int __init do_NCR5380_setup(char *str)
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{
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int ints[10];
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get_options(str, ARRAY_SIZE(ints), ints);
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internal_setup(BOARD_NCR5380, str, ints);
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return 1;
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}
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/**
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* do_NCR53C400_setup - set up entry point
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* @str: unused
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* @ints: integer parameters from kernel setup code
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*
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* Setup function invoked at boot to parse the ncr53c400= command
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* line.
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*/
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static int __init do_NCR53C400_setup(char *str)
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{
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int ints[10];
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get_options(str, ARRAY_SIZE(ints), ints);
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internal_setup(BOARD_NCR53C400, str, ints);
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return 1;
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}
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/**
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* do_NCR53C400A_setup - set up entry point
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* @str: unused
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* @ints: integer parameters from kernel setup code
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*
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* Setup function invoked at boot to parse the ncr53c400a= command
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* line.
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*/
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static int __init do_NCR53C400A_setup(char *str)
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{
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int ints[10];
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get_options(str, ARRAY_SIZE(ints), ints);
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internal_setup(BOARD_NCR53C400A, str, ints);
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return 1;
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}
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/**
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* do_DTC3181E_setup - set up entry point
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* @str: unused
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* @ints: integer parameters from kernel setup code
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*
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* Setup function invoked at boot to parse the dtc3181e= command
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* line.
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*/
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static int __init do_DTC3181E_setup(char *str)
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{
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int ints[10];
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get_options(str, ARRAY_SIZE(ints), ints);
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internal_setup(BOARD_DTC3181E, str, ints);
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return 1;
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}
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#endif
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MODULE_LICENSE("GPL");
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#ifndef SCSI_G_NCR5380_MEM
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/*
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@@ -210,21 +90,9 @@ static void magic_configure(int idx, u8 irq, u8 magic[])
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}
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#endif
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/**
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* generic_NCR5380_detect - look for NCR5380 controllers
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* @tpnt: the scsi template
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*
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* Scan for the present of NCR5380, NCR53C400, NCR53C400A, DTC3181E
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* and DTC436(ISAPnP) controllers. If overrides have been set we use
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* them.
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*
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* Locks: none
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*/
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static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt)
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static int generic_NCR5380_init_one(struct scsi_host_template *tpnt,
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struct device *pdev, int base, int irq, int board)
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{
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static int current_override;
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int count;
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unsigned int *ports;
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u8 *magic = NULL;
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#ifndef SCSI_G_NCR5380_MEM
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@@ -232,272 +100,222 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt)
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int port_idx = -1;
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unsigned long region_size;
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#endif
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static unsigned int __initdata ncr_53c400a_ports[] = {
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static unsigned int ncr_53c400a_ports[] = {
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0x280, 0x290, 0x300, 0x310, 0x330, 0x340, 0x348, 0x350, 0
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};
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static unsigned int __initdata dtc_3181e_ports[] = {
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static unsigned int dtc_3181e_ports[] = {
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0x220, 0x240, 0x280, 0x2a0, 0x2c0, 0x300, 0x320, 0x340, 0
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};
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static u8 ncr_53c400a_magic[] __initdata = { /* 53C400A & DTC436 */
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static u8 ncr_53c400a_magic[] = { /* 53C400A & DTC436 */
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0x59, 0xb9, 0xc5, 0xae, 0xa6
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};
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static u8 hp_c2502_magic[] __initdata = { /* HP C2502 */
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static u8 hp_c2502_magic[] = { /* HP C2502 */
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0x0f, 0x22, 0xf0, 0x20, 0x80
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};
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int flags;
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int flags, ret;
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struct Scsi_Host *instance;
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struct NCR5380_hostdata *hostdata;
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#ifdef SCSI_G_NCR5380_MEM
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unsigned long base;
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void __iomem *iomem;
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resource_size_t iomem_size;
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#endif
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if (ncr_irq)
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overrides[0].irq = ncr_irq;
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if (ncr_dma)
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overrides[0].dma = ncr_dma;
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if (ncr_addr)
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overrides[0].NCR5380_map_name = (NCR5380_map_type) ncr_addr;
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if (ncr_5380)
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overrides[0].board = BOARD_NCR5380;
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else if (ncr_53c400)
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overrides[0].board = BOARD_NCR53C400;
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else if (ncr_53c400a)
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overrides[0].board = BOARD_NCR53C400A;
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else if (dtc_3181e)
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overrides[0].board = BOARD_DTC3181E;
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else if (hp_c2502)
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overrides[0].board = BOARD_HP_C2502;
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#ifndef SCSI_G_NCR5380_MEM
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if (!current_override && isapnp_present()) {
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struct pnp_dev *dev = NULL;
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count = 0;
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while ((dev = pnp_find_dev(NULL, ISAPNP_VENDOR('D', 'T', 'C'), ISAPNP_FUNCTION(0x436e), dev))) {
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if (count >= NO_OVERRIDES)
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break;
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if (pnp_device_attach(dev) < 0)
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continue;
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if (pnp_activate_dev(dev) < 0) {
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printk(KERN_ERR "dtc436e probe: activate failed\n");
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pnp_device_detach(dev);
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continue;
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}
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if (!pnp_port_valid(dev, 0)) {
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printk(KERN_ERR "dtc436e probe: no valid port\n");
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pnp_device_detach(dev);
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continue;
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}
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if (pnp_irq_valid(dev, 0))
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overrides[count].irq = pnp_irq(dev, 0);
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else
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overrides[count].irq = NO_IRQ;
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if (pnp_dma_valid(dev, 0))
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overrides[count].dma = pnp_dma(dev, 0);
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else
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overrides[count].dma = DMA_NONE;
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overrides[count].NCR5380_map_name = (NCR5380_map_type) pnp_port_start(dev, 0);
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overrides[count].board = BOARD_DTC3181E;
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count++;
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}
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ports = NULL;
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flags = 0;
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switch (board) {
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case BOARD_NCR5380:
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flags = FLAG_NO_PSEUDO_DMA | FLAG_DMA_FIXUP;
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break;
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case BOARD_NCR53C400A:
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ports = ncr_53c400a_ports;
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magic = ncr_53c400a_magic;
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break;
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case BOARD_HP_C2502:
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ports = ncr_53c400a_ports;
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magic = hp_c2502_magic;
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break;
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case BOARD_DTC3181E:
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ports = dtc_3181e_ports;
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magic = ncr_53c400a_magic;
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break;
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}
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#endif
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for (count = 0; current_override < NO_OVERRIDES; ++current_override) {
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if (!(overrides[current_override].NCR5380_map_name))
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continue;
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ports = NULL;
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flags = 0;
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switch (overrides[current_override].board) {
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|
|
case BOARD_NCR5380:
|
|
|
|
|
flags = FLAG_NO_PSEUDO_DMA | FLAG_DMA_FIXUP;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
ports = ncr_53c400a_ports;
|
|
|
|
|
magic = ncr_53c400a_magic;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
ports = ncr_53c400a_ports;
|
|
|
|
|
magic = hp_c2502_magic;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
ports = dtc_3181e_ports;
|
|
|
|
|
magic = ncr_53c400a_magic;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
if (ports && magic) {
|
|
|
|
|
/* wakeup sequence for the NCR53C400A and DTC3181E */
|
|
|
|
|
if (ports && magic) {
|
|
|
|
|
/* wakeup sequence for the NCR53C400A and DTC3181E */
|
|
|
|
|
|
|
|
|
|
/* Disable the adapter and look for a free io port */
|
|
|
|
|
magic_configure(-1, 0, magic);
|
|
|
|
|
/* Disable the adapter and look for a free io port */
|
|
|
|
|
magic_configure(-1, 0, magic);
|
|
|
|
|
|
|
|
|
|
region_size = 16;
|
|
|
|
|
|
|
|
|
|
if (overrides[current_override].NCR5380_map_name != PORT_AUTO)
|
|
|
|
|
for (i = 0; ports[i]; i++) {
|
|
|
|
|
if (!request_region(ports[i], region_size, "ncr53c80"))
|
|
|
|
|
continue;
|
|
|
|
|
if (overrides[current_override].NCR5380_map_name == ports[i])
|
|
|
|
|
break;
|
|
|
|
|
release_region(ports[i], region_size);
|
|
|
|
|
} else
|
|
|
|
|
for (i = 0; ports[i]; i++) {
|
|
|
|
|
if (!request_region(ports[i], region_size, "ncr53c80"))
|
|
|
|
|
continue;
|
|
|
|
|
if (inb(ports[i]) == 0xff)
|
|
|
|
|
break;
|
|
|
|
|
release_region(ports[i], region_size);
|
|
|
|
|
region_size = 16;
|
|
|
|
|
if (base)
|
|
|
|
|
for (i = 0; ports[i]; i++) {
|
|
|
|
|
if (base == ports[i]) { /* index found */
|
|
|
|
|
if (!request_region(ports[i],
|
|
|
|
|
region_size,
|
|
|
|
|
"ncr53c80"))
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (ports[i]) {
|
|
|
|
|
/* At this point we have our region reserved */
|
|
|
|
|
magic_configure(i, 0, magic); /* no IRQ yet */
|
|
|
|
|
outb(0xc0, ports[i] + 9);
|
|
|
|
|
if (inb(ports[i] + 9) != 0x80)
|
|
|
|
|
continue;
|
|
|
|
|
overrides[current_override].NCR5380_map_name = ports[i];
|
|
|
|
|
port_idx = i;
|
|
|
|
|
} else
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Not a 53C400A style setup - just grab */
|
|
|
|
|
region_size = 8;
|
|
|
|
|
if (!request_region(overrides[current_override].NCR5380_map_name,
|
|
|
|
|
region_size, "ncr5380"))
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
base = overrides[current_override].NCR5380_map_name;
|
|
|
|
|
iomem_size = NCR53C400_region_size;
|
|
|
|
|
if (!request_mem_region(base, iomem_size, "ncr5380"))
|
|
|
|
|
continue;
|
|
|
|
|
iomem = ioremap(base, iomem_size);
|
|
|
|
|
if (!iomem) {
|
|
|
|
|
release_mem_region(base, iomem_size);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
instance = scsi_register(tpnt, sizeof(struct NCR5380_hostdata));
|
|
|
|
|
if (instance == NULL)
|
|
|
|
|
goto out_release;
|
|
|
|
|
hostdata = shost_priv(instance);
|
|
|
|
|
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
instance->io_port = overrides[current_override].NCR5380_map_name;
|
|
|
|
|
instance->n_io_port = region_size;
|
|
|
|
|
hostdata->io_width = 1; /* 8-bit PDMA by default */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* On NCR53C400 boards, NCR5380 registers are mapped 8 past
|
|
|
|
|
* the base address.
|
|
|
|
|
*/
|
|
|
|
|
switch (overrides[current_override].board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
instance->io_port += 8;
|
|
|
|
|
hostdata->c400_ctl_status = 0;
|
|
|
|
|
hostdata->c400_blk_cnt = 1;
|
|
|
|
|
hostdata->c400_host_buf = 4;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
hostdata->io_width = 2; /* 16-bit PDMA */
|
|
|
|
|
/* fall through */
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
hostdata->c400_ctl_status = 9;
|
|
|
|
|
hostdata->c400_blk_cnt = 10;
|
|
|
|
|
hostdata->c400_host_buf = 8;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
instance->base = overrides[current_override].NCR5380_map_name;
|
|
|
|
|
hostdata->iomem = iomem;
|
|
|
|
|
hostdata->iomem_size = iomem_size;
|
|
|
|
|
switch (overrides[current_override].board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
hostdata->c400_ctl_status = 0x100;
|
|
|
|
|
hostdata->c400_blk_cnt = 0x101;
|
|
|
|
|
hostdata->c400_host_buf = 0x104;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
pr_err(DRV_MODULE_NAME ": unknown register offsets\n");
|
|
|
|
|
goto out_unregister;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if (NCR5380_init(instance, flags | FLAG_LATE_DMA_SETUP))
|
|
|
|
|
goto out_unregister;
|
|
|
|
|
|
|
|
|
|
switch (overrides[current_override].board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NCR5380_maybe_reset_bus(instance);
|
|
|
|
|
|
|
|
|
|
if (overrides[current_override].irq != IRQ_AUTO)
|
|
|
|
|
instance->irq = overrides[current_override].irq;
|
|
|
|
|
else
|
|
|
|
|
instance->irq = NCR5380_probe_irq(instance, 0xffff);
|
|
|
|
|
|
|
|
|
|
/* Compatibility with documented NCR5380 kernel parameters */
|
|
|
|
|
if (instance->irq == 255)
|
|
|
|
|
instance->irq = NO_IRQ;
|
|
|
|
|
|
|
|
|
|
if (instance->irq != NO_IRQ) {
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
/* set IRQ for HP C2502 */
|
|
|
|
|
if (overrides[current_override].board == BOARD_HP_C2502)
|
|
|
|
|
magic_configure(port_idx, instance->irq, magic);
|
|
|
|
|
#endif
|
|
|
|
|
if (request_irq(instance->irq, generic_NCR5380_intr,
|
|
|
|
|
0, "NCR5380", instance)) {
|
|
|
|
|
printk(KERN_WARNING "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
|
|
|
|
|
instance->irq = NO_IRQ;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (instance->irq == NO_IRQ) {
|
|
|
|
|
printk(KERN_INFO "scsi%d : interrupts not enabled. for better interactive performance,\n", instance->host_no);
|
|
|
|
|
printk(KERN_INFO "scsi%d : please jumper the board for a free IRQ.\n", instance->host_no);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
++current_override;
|
|
|
|
|
++count;
|
|
|
|
|
else
|
|
|
|
|
for (i = 0; ports[i]; i++) {
|
|
|
|
|
if (!request_region(ports[i], region_size,
|
|
|
|
|
"ncr53c80"))
|
|
|
|
|
continue;
|
|
|
|
|
if (inb(ports[i]) == 0xff)
|
|
|
|
|
break;
|
|
|
|
|
release_region(ports[i], region_size);
|
|
|
|
|
}
|
|
|
|
|
if (ports[i]) {
|
|
|
|
|
/* At this point we have our region reserved */
|
|
|
|
|
magic_configure(i, 0, magic); /* no IRQ yet */
|
|
|
|
|
outb(0xc0, ports[i] + 9);
|
|
|
|
|
if (inb(ports[i] + 9) != 0x80) {
|
|
|
|
|
ret = -ENODEV;
|
|
|
|
|
goto out_release;
|
|
|
|
|
}
|
|
|
|
|
base = ports[i];
|
|
|
|
|
port_idx = i;
|
|
|
|
|
} else
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
return count;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* NCR5380 - no configuration, just grab */
|
|
|
|
|
region_size = 8;
|
|
|
|
|
if (!base || !request_region(base, region_size, "ncr5380"))
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
iomem_size = NCR53C400_region_size;
|
|
|
|
|
if (!request_mem_region(base, iomem_size, "ncr5380"))
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
iomem = ioremap(base, iomem_size);
|
|
|
|
|
if (!iomem) {
|
|
|
|
|
release_mem_region(base, iomem_size);
|
|
|
|
|
return -ENOMEM;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
instance = scsi_host_alloc(tpnt, sizeof(struct NCR5380_hostdata));
|
|
|
|
|
if (instance == NULL) {
|
|
|
|
|
ret = -ENOMEM;
|
|
|
|
|
goto out_release;
|
|
|
|
|
}
|
|
|
|
|
hostdata = shost_priv(instance);
|
|
|
|
|
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
instance->io_port = base;
|
|
|
|
|
instance->n_io_port = region_size;
|
|
|
|
|
hostdata->io_width = 1; /* 8-bit PDMA by default */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* On NCR53C400 boards, NCR5380 registers are mapped 8 past
|
|
|
|
|
* the base address.
|
|
|
|
|
*/
|
|
|
|
|
switch (board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
instance->io_port += 8;
|
|
|
|
|
hostdata->c400_ctl_status = 0;
|
|
|
|
|
hostdata->c400_blk_cnt = 1;
|
|
|
|
|
hostdata->c400_host_buf = 4;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
hostdata->io_width = 2; /* 16-bit PDMA */
|
|
|
|
|
/* fall through */
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
hostdata->c400_ctl_status = 9;
|
|
|
|
|
hostdata->c400_blk_cnt = 10;
|
|
|
|
|
hostdata->c400_host_buf = 8;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
instance->base = base;
|
|
|
|
|
hostdata->iomem = iomem;
|
|
|
|
|
hostdata->iomem_size = iomem_size;
|
|
|
|
|
switch (board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
hostdata->c400_ctl_status = 0x100;
|
|
|
|
|
hostdata->c400_blk_cnt = 0x101;
|
|
|
|
|
hostdata->c400_host_buf = 0x104;
|
|
|
|
|
break;
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
pr_err(DRV_MODULE_NAME ": unknown register offsets\n");
|
|
|
|
|
ret = -EINVAL;
|
|
|
|
|
goto out_unregister;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
ret = NCR5380_init(instance, flags | FLAG_LATE_DMA_SETUP);
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out_unregister;
|
|
|
|
|
|
|
|
|
|
switch (board) {
|
|
|
|
|
case BOARD_NCR53C400:
|
|
|
|
|
case BOARD_DTC3181E:
|
|
|
|
|
case BOARD_NCR53C400A:
|
|
|
|
|
case BOARD_HP_C2502:
|
|
|
|
|
NCR5380_write(hostdata->c400_ctl_status, CSR_BASE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NCR5380_maybe_reset_bus(instance);
|
|
|
|
|
|
|
|
|
|
if (irq != IRQ_AUTO)
|
|
|
|
|
instance->irq = irq;
|
|
|
|
|
else
|
|
|
|
|
instance->irq = NCR5380_probe_irq(instance, 0xffff);
|
|
|
|
|
|
|
|
|
|
/* Compatibility with documented NCR5380 kernel parameters */
|
|
|
|
|
if (instance->irq == 255)
|
|
|
|
|
instance->irq = NO_IRQ;
|
|
|
|
|
|
|
|
|
|
if (instance->irq != NO_IRQ) {
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
/* set IRQ for HP C2502 */
|
|
|
|
|
if (board == BOARD_HP_C2502)
|
|
|
|
|
magic_configure(port_idx, instance->irq, magic);
|
|
|
|
|
#endif
|
|
|
|
|
if (request_irq(instance->irq, generic_NCR5380_intr,
|
|
|
|
|
0, "NCR5380", instance)) {
|
|
|
|
|
printk(KERN_WARNING "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
|
|
|
|
|
instance->irq = NO_IRQ;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (instance->irq == NO_IRQ) {
|
|
|
|
|
printk(KERN_INFO "scsi%d : interrupts not enabled. for better interactive performance,\n", instance->host_no);
|
|
|
|
|
printk(KERN_INFO "scsi%d : please jumper the board for a free IRQ.\n", instance->host_no);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = scsi_add_host(instance, pdev);
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out_free_irq;
|
|
|
|
|
scsi_scan_host(instance);
|
|
|
|
|
dev_set_drvdata(pdev, instance);
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
out_free_irq:
|
|
|
|
|
if (instance->irq != NO_IRQ)
|
|
|
|
|
free_irq(instance->irq, instance);
|
|
|
|
|
NCR5380_exit(instance);
|
|
|
|
|
out_unregister:
|
|
|
|
|
scsi_unregister(instance);
|
|
|
|
|
scsi_host_put(instance);
|
|
|
|
|
out_release:
|
|
|
|
|
#ifndef SCSI_G_NCR5380_MEM
|
|
|
|
|
release_region(overrides[current_override].NCR5380_map_name, region_size);
|
|
|
|
|
release_region(base, region_size);
|
|
|
|
|
#else
|
|
|
|
|
iounmap(iomem);
|
|
|
|
|
release_mem_region(base, iomem_size);
|
|
|
|
|
#endif
|
|
|
|
|
return count;
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* generic_NCR5380_release_resources - free resources
|
|
|
|
|
* @instance: host adapter to clean up
|
|
|
|
|
*
|
|
|
|
|
* Free the generic interface resources from this adapter.
|
|
|
|
|
*
|
|
|
|
|
* Locks: none
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static int generic_NCR5380_release_resources(struct Scsi_Host *instance)
|
|
|
|
|
static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
|
|
|
|
|
{
|
|
|
|
|
scsi_remove_host(instance);
|
|
|
|
|
if (instance->irq != NO_IRQ)
|
|
|
|
|
free_irq(instance->irq, instance);
|
|
|
|
|
NCR5380_exit(instance);
|
|
|
|
@@ -511,7 +329,7 @@ static int generic_NCR5380_release_resources(struct Scsi_Host *instance)
|
|
|
|
|
release_mem_region(instance->base, hostdata->iomem_size);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return 0;
|
|
|
|
|
scsi_host_put(instance);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
@@ -701,10 +519,9 @@ static int generic_NCR5380_dma_xfer_len(struct Scsi_Host *instance,
|
|
|
|
|
#include "NCR5380.c"
|
|
|
|
|
|
|
|
|
|
static struct scsi_host_template driver_template = {
|
|
|
|
|
.module = THIS_MODULE,
|
|
|
|
|
.proc_name = DRV_MODULE_NAME,
|
|
|
|
|
.name = "Generic NCR5380/NCR53C400 SCSI",
|
|
|
|
|
.detect = generic_NCR5380_detect,
|
|
|
|
|
.release = generic_NCR5380_release_resources,
|
|
|
|
|
.info = generic_NCR5380_info,
|
|
|
|
|
.queuecommand = generic_NCR5380_queue_command,
|
|
|
|
|
.eh_abort_handler = generic_NCR5380_abort,
|
|
|
|
@@ -718,31 +535,115 @@ static struct scsi_host_template driver_template = {
|
|
|
|
|
.max_sectors = 128,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#include "scsi_module.c"
|
|
|
|
|
|
|
|
|
|
module_param(ncr_irq, int, 0);
|
|
|
|
|
module_param(ncr_dma, int, 0);
|
|
|
|
|
module_param(ncr_addr, int, 0);
|
|
|
|
|
module_param(ncr_5380, int, 0);
|
|
|
|
|
module_param(ncr_53c400, int, 0);
|
|
|
|
|
module_param(ncr_53c400a, int, 0);
|
|
|
|
|
module_param(dtc_3181e, int, 0);
|
|
|
|
|
module_param(hp_c2502, int, 0);
|
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
|
|
|
|
|
{
|
|
|
|
|
int ret = generic_NCR5380_init_one(&driver_template, pdev, base[ndev],
|
|
|
|
|
irq[ndev], card[ndev]);
|
|
|
|
|
if (ret) {
|
|
|
|
|
if (base[ndev])
|
|
|
|
|
printk(KERN_WARNING "Card not found at address 0x%03x\n",
|
|
|
|
|
base[ndev]);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if !defined(SCSI_G_NCR5380_MEM) && defined(MODULE)
|
|
|
|
|
static struct isapnp_device_id id_table[] = {
|
|
|
|
|
{
|
|
|
|
|
ISAPNP_ANY_ID, ISAPNP_ANY_ID,
|
|
|
|
|
ISAPNP_VENDOR('D', 'T', 'C'), ISAPNP_FUNCTION(0x436e),
|
|
|
|
|
0},
|
|
|
|
|
{0}
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int generic_NCR5380_isa_remove(struct device *pdev,
|
|
|
|
|
unsigned int ndev)
|
|
|
|
|
{
|
|
|
|
|
generic_NCR5380_release_resources(dev_get_drvdata(pdev));
|
|
|
|
|
dev_set_drvdata(pdev, NULL);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct isa_driver generic_NCR5380_isa_driver = {
|
|
|
|
|
.match = generic_NCR5380_isa_match,
|
|
|
|
|
.remove = generic_NCR5380_isa_remove,
|
|
|
|
|
.driver = {
|
|
|
|
|
.name = DRV_MODULE_NAME
|
|
|
|
|
},
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
MODULE_DEVICE_TABLE(isapnp, id_table);
|
|
|
|
|
#endif
|
|
|
|
|
#if !defined(SCSI_G_NCR5380_MEM) && defined(CONFIG_PNP)
|
|
|
|
|
static struct pnp_device_id generic_NCR5380_pnp_ids[] = {
|
|
|
|
|
{ .id = "DTC436e", .driver_data = BOARD_DTC3181E },
|
|
|
|
|
{ .id = "" }
|
|
|
|
|
};
|
|
|
|
|
MODULE_DEVICE_TABLE(pnp, generic_NCR5380_pnp_ids);
|
|
|
|
|
|
|
|
|
|
__setup("ncr5380=", do_NCR5380_setup);
|
|
|
|
|
__setup("ncr53c400=", do_NCR53C400_setup);
|
|
|
|
|
__setup("ncr53c400a=", do_NCR53C400A_setup);
|
|
|
|
|
__setup("dtc3181e=", do_DTC3181E_setup);
|
|
|
|
|
static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
|
|
|
|
|
const struct pnp_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
int base, irq;
|
|
|
|
|
|
|
|
|
|
if (pnp_activate_dev(pdev) < 0)
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
|
|
base = pnp_port_start(pdev, 0);
|
|
|
|
|
irq = pnp_irq(pdev, 0);
|
|
|
|
|
|
|
|
|
|
return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq,
|
|
|
|
|
id->driver_data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void generic_NCR5380_pnp_remove(struct pnp_dev *pdev)
|
|
|
|
|
{
|
|
|
|
|
generic_NCR5380_release_resources(pnp_get_drvdata(pdev));
|
|
|
|
|
pnp_set_drvdata(pdev, NULL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct pnp_driver generic_NCR5380_pnp_driver = {
|
|
|
|
|
.name = DRV_MODULE_NAME,
|
|
|
|
|
.id_table = generic_NCR5380_pnp_ids,
|
|
|
|
|
.probe = generic_NCR5380_pnp_probe,
|
|
|
|
|
.remove = generic_NCR5380_pnp_remove,
|
|
|
|
|
};
|
|
|
|
|
#endif /* !defined(SCSI_G_NCR5380_MEM) && defined(CONFIG_PNP) */
|
|
|
|
|
|
|
|
|
|
static int pnp_registered, isa_registered;
|
|
|
|
|
|
|
|
|
|
static int __init generic_NCR5380_init(void)
|
|
|
|
|
{
|
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
|
|
/* compatibility with old-style parameters */
|
|
|
|
|
if (irq[0] == 0 && base[0] == 0 && card[0] == -1) {
|
|
|
|
|
irq[0] = ncr_irq;
|
|
|
|
|
base[0] = ncr_addr;
|
|
|
|
|
if (ncr_5380)
|
|
|
|
|
card[0] = BOARD_NCR5380;
|
|
|
|
|
if (ncr_53c400)
|
|
|
|
|
card[0] = BOARD_NCR53C400;
|
|
|
|
|
if (ncr_53c400a)
|
|
|
|
|
card[0] = BOARD_NCR53C400A;
|
|
|
|
|
if (dtc_3181e)
|
|
|
|
|
card[0] = BOARD_DTC3181E;
|
|
|
|
|
if (hp_c2502)
|
|
|
|
|
card[0] = BOARD_HP_C2502;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if !defined(SCSI_G_NCR5380_MEM) && defined(CONFIG_PNP)
|
|
|
|
|
if (!pnp_register_driver(&generic_NCR5380_pnp_driver))
|
|
|
|
|
pnp_registered = 1;
|
|
|
|
|
#endif
|
|
|
|
|
ret = isa_register_driver(&generic_NCR5380_isa_driver, MAX_CARDS);
|
|
|
|
|
if (!ret)
|
|
|
|
|
isa_registered = 1;
|
|
|
|
|
|
|
|
|
|
return (pnp_registered || isa_registered) ? 0 : ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void __exit generic_NCR5380_exit(void)
|
|
|
|
|
{
|
|
|
|
|
#if !defined(SCSI_G_NCR5380_MEM) && defined(CONFIG_PNP)
|
|
|
|
|
if (pnp_registered)
|
|
|
|
|
pnp_unregister_driver(&generic_NCR5380_pnp_driver);
|
|
|
|
|
#endif
|
|
|
|
|
if (isa_registered)
|
|
|
|
|
isa_unregister_driver(&generic_NCR5380_isa_driver);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
module_init(generic_NCR5380_init);
|
|
|
|
|
module_exit(generic_NCR5380_exit);
|
|
|
|
|