diff options
Diffstat (limited to 'drivers/block/paride/kbic.c')
-rw-r--r-- | drivers/block/paride/kbic.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/drivers/block/paride/kbic.c b/drivers/block/paride/kbic.c deleted file mode 100644 index f0960eb68635..000000000000 --- a/drivers/block/paride/kbic.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - kbic.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - Under the terms of the GNU General Public License. - - This is a low-level driver for the KBIC-951A and KBIC-971A - parallel to IDE adapter chips from KingByte Information Systems. - - The chips are almost identical, however, the wakeup code - required for the 971A interferes with the correct operation of - the 951A, so this driver registers itself twice, once for - each chip. - -*/ - -/* Changes: - - 1.01 GRG 1998.05.06 init_proto, release_proto - -*/ - -#define KBIC_VERSION "1.01" - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/wait.h> -#include <asm/io.h> - -#include <linux/pata_parport.h> - -#define r12w() (delay_p,inw(pi->port+1)&0xffff) - -#define j44(a,b) ((((a>>4)&0x0f)|(b&0xf0))^0x88) -#define j53(w) (((w>>3)&0x1f)|((w>>4)&0xe0)) - - -/* cont = 0 - access the IDE register file - cont = 1 - access the IDE command set -*/ - -static int cont_map[2] = { 0x80, 0x40 }; - -static int kbic_read_regr( PIA *pi, int cont, int regr ) - -{ int a, b, s; - - s = cont_map[cont]; - - switch (pi->mode) { - - case 0: w0(regr|0x18|s); w2(4); w2(6); w2(4); w2(1); w0(8); - a = r1(); w0(0x28); b = r1(); w2(4); - return j44(a,b); - - case 1: w0(regr|0x38|s); w2(4); w2(6); w2(4); w2(5); w0(8); - a = r12w(); w2(4); - return j53(a); - - case 2: w0(regr|0x08|s); w2(4); w2(6); w2(4); w2(0xa5); w2(0xa1); - a = r0(); w2(4); - return a; - - case 3: - case 4: - case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr); - a = r4(); b = r4(); w2(4); w2(0); w2(4); - return a; - - } - return -1; -} - -static void kbic_write_regr( PIA *pi, int cont, int regr, int val) - -{ int s; - - s = cont_map[cont]; - - switch (pi->mode) { - - case 0: - case 1: - case 2: w0(regr|0x10|s); w2(4); w2(6); w2(4); - w0(val); w2(5); w2(4); - break; - - case 3: - case 4: - case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr); - w4(val); w4(val); - w2(4); w2(0); w2(4); - break; - - } -} - -static void k951_connect ( PIA *pi ) - -{ pi->saved_r0 = r0(); - pi->saved_r2 = r2(); - w2(4); -} - -static void k951_disconnect ( PIA *pi ) - -{ w0(pi->saved_r0); - w2(pi->saved_r2); -} - -#define CCP(x) w2(0xc4);w0(0xaa);w0(0x55);w0(0);w0(0xff);w0(0x87);\ - w0(0x78);w0(x);w2(0xc5);w2(0xc4);w0(0xff); - -static void k971_connect ( PIA *pi ) - -{ pi->saved_r0 = r0(); - pi->saved_r2 = r2(); - CCP(0x20); - w2(4); -} - -static void k971_disconnect ( PIA *pi ) - -{ CCP(0x30); - w0(pi->saved_r0); - w2(pi->saved_r2); -} - -/* counts must be congruent to 0 MOD 4, but all known applications - have this property. -*/ - -static void kbic_read_block( PIA *pi, char * buf, int count ) - -{ int k, a, b; - - switch (pi->mode) { - - case 0: w0(0x98); w2(4); w2(6); w2(4); - for (k=0;k<count/2;k++) { - w2(1); w0(8); a = r1(); - w0(0x28); b = r1(); - buf[2*k] = j44(a,b); - w2(5); b = r1(); - w0(8); a = r1(); - buf[2*k+1] = j44(a,b); - w2(4); - } - break; - - case 1: w0(0xb8); w2(4); w2(6); w2(4); - for (k=0;k<count/4;k++) { - w0(0xb8); - w2(4); w2(5); - w0(8); buf[4*k] = j53(r12w()); - w0(0xb8); buf[4*k+1] = j53(r12w()); - w2(4); w2(5); - buf[4*k+3] = j53(r12w()); - w0(8); buf[4*k+2] = j53(r12w()); - } - w2(4); - break; - - case 2: w0(0x88); w2(4); w2(6); w2(4); - for (k=0;k<count/2;k++) { - w2(0xa0); w2(0xa1); buf[2*k] = r0(); - w2(0xa5); buf[2*k+1] = r0(); - } - w2(4); - break; - - case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for (k=0;k<count;k++) buf[k] = r4(); - w2(4); w2(0); w2(4); - break; - - case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w(); - w2(4); w2(0); w2(4); - break; - - case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l(); - w2(4); w2(0); w2(4); - break; - - - } -} - -static void kbic_write_block( PIA *pi, char * buf, int count ) - -{ int k; - - switch (pi->mode) { - - case 0: - case 1: - case 2: w0(0x90); w2(4); w2(6); w2(4); - for(k=0;k<count/2;k++) { - w0(buf[2*k+1]); w2(0); w2(4); - w0(buf[2*k]); w2(5); w2(4); - } - break; - - case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for(k=0;k<count/2;k++) { - w4(buf[2*k+1]); - w4(buf[2*k]); - } - w2(4); w2(0); w2(4); - break; - - case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for(k=0;k<count/2;k++) w4w(pi_swab16(buf,k)); - w2(4); w2(0); w2(4); - break; - - case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0); - for(k=0;k<count/4;k++) w4l(pi_swab32(buf,k)); - w2(4); w2(0); w2(4); - break; - - } - -} - -static void kbic_log_adapter( PIA *pi, char * scratch, - int verbose, char * chip ) - -{ char *mode_string[6] = {"4-bit","5/3","8-bit", - "EPP-8","EPP_16","EPP-32"}; - - printk("%s: kbic %s, KingByte %s at 0x%x, ", - pi->device,KBIC_VERSION,chip,pi->port); - printk("mode %d (%s), delay %d\n",pi->mode, - mode_string[pi->mode],pi->delay); - -} - -static void k951_log_adapter( PIA *pi, char * scratch, int verbose ) - -{ kbic_log_adapter(pi,scratch,verbose,"KBIC-951A"); -} - -static void k971_log_adapter( PIA *pi, char * scratch, int verbose ) - -{ kbic_log_adapter(pi,scratch,verbose,"KBIC-971A"); -} - -static struct pi_protocol k951 = { - .owner = THIS_MODULE, - .name = "k951", - .max_mode = 6, - .epp_first = 3, - .default_delay = 1, - .max_units = 1, - .write_regr = kbic_write_regr, - .read_regr = kbic_read_regr, - .write_block = kbic_write_block, - .read_block = kbic_read_block, - .connect = k951_connect, - .disconnect = k951_disconnect, - .log_adapter = k951_log_adapter, -}; - -static struct pi_protocol k971 = { - .owner = THIS_MODULE, - .name = "k971", - .max_mode = 6, - .epp_first = 3, - .default_delay = 1, - .max_units = 1, - .write_regr = kbic_write_regr, - .read_regr = kbic_read_regr, - .write_block = kbic_write_block, - .read_block = kbic_read_block, - .connect = k971_connect, - .disconnect = k971_disconnect, - .log_adapter = k971_log_adapter, -}; - -static int __init kbic_init(void) -{ - int rv; - - rv = paride_register(&k951); - if (rv < 0) - return rv; - rv = paride_register(&k971); - if (rv < 0) - paride_unregister(&k951); - return rv; -} - -static void __exit kbic_exit(void) -{ - paride_unregister(&k951); - paride_unregister(&k971); -} - -MODULE_LICENSE("GPL"); -module_init(kbic_init) -module_exit(kbic_exit) |