diff options
Diffstat (limited to 'drivers/block/paride/on20.c')
| -rw-r--r-- | drivers/block/paride/on20.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/drivers/block/paride/on20.c b/drivers/block/paride/on20.c deleted file mode 100644 index 995fc41e3122..000000000000 --- a/drivers/block/paride/on20.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - on20.c (c) 1996-8 Grant R. Guenther <grant@torque.net> - Under the terms of the GNU General Public License. - - on20.c is a low-level protocol driver for the - Onspec 90c20 parallel to IDE adapter. -*/ - -/* Changes: - - 1.01 GRG 1998.05.06 init_proto, release_proto - -*/ - -#define ON20_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 op(f) w2(4);w0(f);w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4); -#define vl(v) w2(4);w0(v);w2(5);w2(7);w2(5);w2(4); - -#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0)) - -/* cont = 0 - access the IDE register file - cont = 1 - access the IDE command set -*/ - -static int on20_read_regr( PIA *pi, int cont, int regr ) - -{ int h,l, r ; - - r = (regr<<2) + 1 + cont; - - op(1); vl(r); op(0); - - switch (pi->mode) { - - case 0: w2(4); w2(6); l = r1(); - w2(4); w2(6); h = r1(); - w2(4); w2(6); w2(4); w2(6); w2(4); - return j44(l,h); - - case 1: w2(4); w2(0x26); r = r0(); - w2(4); w2(0x26); w2(4); - return r; - - } - return -1; -} - -static void on20_write_regr( PIA *pi, int cont, int regr, int val ) - -{ int r; - - r = (regr<<2) + 1 + cont; - - op(1); vl(r); - op(0); vl(val); - op(0); vl(val); -} - -static void on20_connect ( PIA *pi) - -{ pi->saved_r0 = r0(); - pi->saved_r2 = r2(); - - w2(4);w0(0);w2(0xc);w2(4);w2(6);w2(4);w2(6);w2(4); - if (pi->mode) { op(2); vl(8); op(2); vl(9); } - else { op(2); vl(0); op(2); vl(8); } -} - -static void on20_disconnect ( PIA *pi ) - -{ w2(4);w0(7);w2(4);w2(0xc);w2(4); - w0(pi->saved_r0); - w2(pi->saved_r2); -} - -static void on20_read_block( PIA *pi, char * buf, int count ) - -{ int k, l, h; - - op(1); vl(1); op(0); - - for (k=0;k<count;k++) - if (pi->mode) { - w2(4); w2(0x26); buf[k] = r0(); - } else { - w2(6); l = r1(); w2(4); - w2(6); h = r1(); w2(4); - buf[k] = j44(l,h); - } - w2(4); -} - -static void on20_write_block( PIA *pi, char * buf, int count ) - -{ int k; - - op(1); vl(1); op(0); - - for (k=0;k<count;k++) { w2(5); w0(buf[k]); w2(7); } - w2(4); -} - -static void on20_log_adapter( PIA *pi, char * scratch, int verbose ) - -{ char *mode_string[2] = {"4-bit","8-bit"}; - - printk("%s: on20 %s, OnSpec 90c20 at 0x%x, ", - pi->device,ON20_VERSION,pi->port); - printk("mode %d (%s), delay %d\n",pi->mode, - mode_string[pi->mode],pi->delay); - -} - -static struct pi_protocol on20 = { - .owner = THIS_MODULE, - .name = "on20", - .max_mode = 2, - .epp_first = 2, - .default_delay = 1, - .max_units = 1, - .write_regr = on20_write_regr, - .read_regr = on20_read_regr, - .write_block = on20_write_block, - .read_block = on20_read_block, - .connect = on20_connect, - .disconnect = on20_disconnect, - .log_adapter = on20_log_adapter, -}; - -static int __init on20_init(void) -{ - return paride_register(&on20); -} - -static void __exit on20_exit(void) -{ - paride_unregister(&on20); -} - -MODULE_LICENSE("GPL"); -module_init(on20_init) -module_exit(on20_exit) |