diff options
Diffstat (limited to 'drivers/block/paride/fit2.c')
| -rw-r--r-- | drivers/block/paride/fit2.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/drivers/block/paride/fit2.c b/drivers/block/paride/fit2.c deleted file mode 100644 index 381283753ae4..000000000000 --- a/drivers/block/paride/fit2.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - fit2.c (c) 1998 Grant R. Guenther <grant@torque.net> - Under the terms of the GNU General Public License. - - fit2.c is a low-level protocol driver for the older version - of the Fidelity International Technology parallel port adapter. - This adapter is used in their TransDisk 2000 and older TransDisk - 3000 portable hard-drives. As far as I can tell, this device - supports 4-bit mode _only_. - - Newer models of the FIT products use an enhanced protocol. - The "fit3" protocol module should support current drives. - -*/ - -#define FIT2_VERSION "1.0" - -#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 "paride.h" - -#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0)) - -/* cont = 0 - access the IDE register file - cont = 1 - access the IDE command set - -NB: The FIT adapter does not appear to use the control registers. -So, we map ALT_STATUS to STATUS and NO-OP writes to the device -control register - this means that IDE reset will not work on these -devices. - -*/ - -static void fit2_write_regr( PIA *pi, int cont, int regr, int val) - -{ if (cont == 1) return; - w2(0xc); w0(regr); w2(4); w0(val); w2(5); w0(0); w2(4); -} - -static int fit2_read_regr( PIA *pi, int cont, int regr ) - -{ int a, b, r; - - if (cont) { - if (regr != 6) return 0xff; - r = 7; - } else r = regr + 0x10; - - w2(0xc); w0(r); w2(4); w2(5); - w0(0); a = r1(); - w0(1); b = r1(); - w2(4); - - return j44(a,b); - -} - -static void fit2_read_block( PIA *pi, char * buf, int count ) - -{ int k, a, b, c, d; - - w2(0xc); w0(0x10); - - for (k=0;k<count/4;k++) { - - w2(4); w2(5); - w0(0); a = r1(); w0(1); b = r1(); - w0(3); c = r1(); w0(2); d = r1(); - buf[4*k+0] = j44(a,b); - buf[4*k+1] = j44(d,c); - - w2(4); w2(5); - a = r1(); w0(3); b = r1(); - w0(1); c = r1(); w0(0); d = r1(); - buf[4*k+2] = j44(d,c); - buf[4*k+3] = j44(a,b); - - } - - w2(4); - -} - -static void fit2_write_block( PIA *pi, char * buf, int count ) - -{ int k; - - - w2(0xc); w0(0); - for (k=0;k<count/2;k++) { - w2(4); w0(buf[2*k]); - w2(5); w0(buf[2*k+1]); - } - w2(4); -} - -static void fit2_connect ( PIA *pi ) - -{ pi->saved_r0 = r0(); - pi->saved_r2 = r2(); - w2(0xcc); -} - -static void fit2_disconnect ( PIA *pi ) - -{ w0(pi->saved_r0); - w2(pi->saved_r2); -} - -static void fit2_log_adapter( PIA *pi, char * scratch, int verbose ) - -{ printk("%s: fit2 %s, FIT 2000 adapter at 0x%x, delay %d\n", - pi->device,FIT2_VERSION,pi->port,pi->delay); - -} - -static struct pi_protocol fit2 = { - .owner = THIS_MODULE, - .name = "fit2", - .max_mode = 1, - .epp_first = 2, - .default_delay = 1, - .max_units = 1, - .write_regr = fit2_write_regr, - .read_regr = fit2_read_regr, - .write_block = fit2_write_block, - .read_block = fit2_read_block, - .connect = fit2_connect, - .disconnect = fit2_disconnect, - .log_adapter = fit2_log_adapter, -}; - -static int __init fit2_init(void) -{ - return paride_register(&fit2); -} - -static void __exit fit2_exit(void) -{ - paride_unregister(&fit2); -} - -MODULE_LICENSE("GPL"); -module_init(fit2_init) -module_exit(fit2_exit) |