diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2007-06-21 06:29:34 (GMT) |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2007-07-10 06:03:34 (GMT) |
commit | f3f541f9ded9dd37edca103dd3be49bfbd9e730d (patch) | |
tree | b9b34955c9db6a10ad329731eaf66fe9c53cbf84 /drivers/cdrom/gscd.c | |
parent | e654bc4393e85e326993256d80b9710a4d6411ff (diff) | |
download | linux-fsl-qoriq-f3f541f9ded9dd37edca103dd3be49bfbd9e730d.tar.xz |
Remove legacy CDROM drivers
They are all broken beyond repair. Given that nobody has complained
about them (most haven't worked in 2.6 AT ALL), remove them from the
tree.
A new mitsumi driver that actually works is in progress, it'll get
added when completed.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/cdrom/gscd.c')
-rw-r--r-- | drivers/cdrom/gscd.c | 1029 |
1 files changed, 0 insertions, 1029 deletions
diff --git a/drivers/cdrom/gscd.c b/drivers/cdrom/gscd.c deleted file mode 100644 index 176742e..0000000 --- a/drivers/cdrom/gscd.c +++ /dev/null @@ -1,1029 +0,0 @@ -#define GSCD_VERSION "0.4a Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de>" - -/* - linux/drivers/block/gscd.c - GoldStar R420 CDROM driver - - Copyright (C) 1995 Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de> - based upon pre-works by Eberhard Moenkeberg <emoenke@gwdg.de> - - - For all kind of other information about the GoldStar CDROM - and this Linux device driver I installed a WWW-URL: - http://linux.rz.fh-hannover.de/~raupach - - - If you are the editor of a Linux CD, you should - enable gscd.c within your boot floppy kernel and - send me one of your CDs for free. - - - -------------------------------------------------------------------- - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - -------------------------------------------------------------------- - - 9 November 1999 -- Make kernel-parameter implementation work with 2.3.x - Removed init_module & cleanup_module in favor of - module_init & module_exit. - Torben Mathiasen <tmm@image.dk> - -*/ - -/* These settings are for various debug-level. Leave they untouched ... */ -#define NO_GSCD_DEBUG -#define NO_IOCTL_DEBUG -#define NO_MODULE_DEBUG -#define NO_FUTURE_WORK -/*------------------------*/ - -#include <linux/module.h> - -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/timer.h> -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/cdrom.h> -#include <linux/ioport.h> -#include <linux/major.h> -#include <linux/string.h> -#include <linux/init.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/uaccess.h> - -#define MAJOR_NR GOLDSTAR_CDROM_MAJOR -#include <linux/blkdev.h> -#include "gscd.h" - -static int gscdPresent = 0; - -static unsigned char gscd_buf[2048]; /* buffer for block size conversion */ -static int gscd_bn = -1; -static short gscd_port = GSCD_BASE_ADDR; -module_param_named(gscd, gscd_port, short, 0); - -/* Kommt spaeter vielleicht noch mal dran ... - * static DECLARE_WAIT_QUEUE_HEAD(gscd_waitq); - */ - -static void gscd_read_cmd(struct request *req); -static void gscd_hsg2msf(long hsg, struct msf *msf); -static void gscd_bin2bcd(unsigned char *p); - -/* Schnittstellen zum Kern/FS */ - -static void __do_gscd_request(unsigned long dummy); -static int gscd_ioctl(struct inode *, struct file *, unsigned int, - unsigned long); -static int gscd_open(struct inode *, struct file *); -static int gscd_release(struct inode *, struct file *); -static int check_gscd_med_chg(struct gendisk *disk); - -/* GoldStar Funktionen */ - -static void cmd_out(int, char *, char *, int); -static void cmd_status(void); -static void init_cd_drive(int); - -static int get_status(void); -static void clear_Audio(void); -static void cc_invalidate(void); - -/* some things for the next version */ -#ifdef FUTURE_WORK -static void update_state(void); -static long gscd_msf2hsg(struct msf *mp); -static int gscd_bcd2bin(unsigned char bcd); -#endif - - -/* lo-level cmd-Funktionen */ - -static void cmd_info_in(char *, int); -static void cmd_end(void); -static void cmd_read_b(char *, int, int); -static void cmd_read_w(char *, int, int); -static int cmd_unit_alive(void); -static void cmd_write_cmd(char *); - - -/* GoldStar Variablen */ - -static int curr_drv_state; -static int drv_states[] = { 0, 0, 0, 0, 0, 0, 0, 0 }; -static int drv_mode; -static int disk_state; -static int speed; -static int ndrives; - -static unsigned char drv_num_read; -static unsigned char f_dsk_valid; -static unsigned char current_drive; -static unsigned char f_drv_ok; - - -static char f_AudioPlay; -static char f_AudioPause; -static int AudioStart_m; -static int AudioStart_f; -static int AudioEnd_m; -static int AudioEnd_f; - -static DEFINE_TIMER(gscd_timer, NULL, 0, 0); -static DEFINE_SPINLOCK(gscd_lock); -static struct request_queue *gscd_queue; - -static struct block_device_operations gscd_fops = { - .owner = THIS_MODULE, - .open = gscd_open, - .release = gscd_release, - .ioctl = gscd_ioctl, - .media_changed = check_gscd_med_chg, -}; - -/* - * Checking if the media has been changed - * (not yet implemented) - */ -static int check_gscd_med_chg(struct gendisk *disk) -{ -#ifdef GSCD_DEBUG - printk("gscd: check_med_change\n"); -#endif - return 0; -} - - -#ifndef MODULE -/* Using new interface for kernel-parameters */ - -static int __init gscd_setup(char *str) -{ - int ints[2]; - (void) get_options(str, ARRAY_SIZE(ints), ints); - - if (ints[0] > 0) { - gscd_port = ints[1]; - } - return 1; -} - -__setup("gscd=", gscd_setup); - -#endif - -static int gscd_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, - unsigned long arg) -{ - unsigned char to_do[10]; - unsigned char dummy; - - - switch (cmd) { - case CDROMSTART: /* Spin up the drive */ - /* Don't think we can do this. Even if we could, - * I think the drive times out and stops after a while - * anyway. For now, ignore it. - */ - return 0; - - case CDROMRESUME: /* keine Ahnung was das ist */ - return 0; - - - case CDROMEJECT: - cmd_status(); - to_do[0] = CMD_TRAY_CTL; - cmd_out(TYPE_INFO, (char *) &to_do, (char *) &dummy, 0); - - return 0; - - default: - return -EINVAL; - } - -} - - -/* - * Take care of the different block sizes between cdrom and Linux. - * When Linux gets variable block sizes this will probably go away. - */ - -static void gscd_transfer(struct request *req) -{ - while (req->nr_sectors > 0 && gscd_bn == req->sector / 4) { - long offs = (req->sector & 3) * 512; - memcpy(req->buffer, gscd_buf + offs, 512); - req->nr_sectors--; - req->sector++; - req->buffer += 512; - } -} - - -/* - * I/O request routine called from Linux kernel. - */ - -static void do_gscd_request(request_queue_t * q) -{ - __do_gscd_request(0); -} - -static void __do_gscd_request(unsigned long dummy) -{ - struct request *req; - unsigned int block; - unsigned int nsect; - -repeat: - req = elv_next_request(gscd_queue); - if (!req) - return; - - block = req->sector; - nsect = req->nr_sectors; - - if (req->sector == -1) - goto out; - - if (rq_data_dir(req) != READ) { - printk("GSCD: bad cmd %u\n", rq_data_dir(req)); - end_request(req, 0); - goto repeat; - } - - gscd_transfer(req); - - /* if we satisfied the request from the buffer, we're done. */ - - if (req->nr_sectors == 0) { - end_request(req, 1); - goto repeat; - } -#ifdef GSCD_DEBUG - printk("GSCD: block %d, nsect %d\n", block, nsect); -#endif - gscd_read_cmd(req); -out: - return; -} - - - -/* - * Check the result of the set-mode command. On success, send the - * read-data command. - */ - -static void gscd_read_cmd(struct request *req) -{ - long block; - struct gscd_Play_msf gscdcmd; - char cmd[] = { CMD_READ, 0x80, 0, 0, 0, 0, 1 }; /* cmd mode M-S-F secth sectl */ - - cmd_status(); - if (disk_state & (ST_NO_DISK | ST_DOOR_OPEN)) { - printk("GSCD: no disk or door open\n"); - end_request(req, 0); - } else { - if (disk_state & ST_INVALID) { - printk("GSCD: disk invalid\n"); - end_request(req, 0); - } else { - gscd_bn = -1; /* purge our buffer */ - block = req->sector / 4; - gscd_hsg2msf(block, &gscdcmd.start); /* cvt to msf format */ - - cmd[2] = gscdcmd.start.min; - cmd[3] = gscdcmd.start.sec; - cmd[4] = gscdcmd.start.frame; - -#ifdef GSCD_DEBUG - printk("GSCD: read msf %d:%d:%d\n", cmd[2], cmd[3], - cmd[4]); -#endif - cmd_out(TYPE_DATA, (char *) &cmd, - (char *) &gscd_buf[0], 1); - - gscd_bn = req->sector / 4; - gscd_transfer(req); - end_request(req, 1); - } - } - SET_TIMER(__do_gscd_request, 1); -} - - -/* - * Open the device special file. Check that a disk is in. - */ - -static int gscd_open(struct inode *ip, struct file *fp) -{ - int st; - -#ifdef GSCD_DEBUG - printk("GSCD: open\n"); -#endif - - if (gscdPresent == 0) - return -ENXIO; /* no hardware */ - - get_status(); - st = disk_state & (ST_NO_DISK | ST_DOOR_OPEN); - if (st) { - printk("GSCD: no disk or door open\n"); - return -ENXIO; - } - -/* if (updateToc() < 0) - return -EIO; -*/ - - return 0; -} - - -/* - * On close, we flush all gscd blocks from the buffer cache. - */ - -static int gscd_release(struct inode *inode, struct file *file) -{ - -#ifdef GSCD_DEBUG - printk("GSCD: release\n"); -#endif - - gscd_bn = -1; - - return 0; -} - - -static int get_status(void) -{ - int status; - - cmd_status(); - status = disk_state & (ST_x08 | ST_x04 | ST_INVALID | ST_x01); - - if (status == (ST_x08 | ST_x04 | ST_INVALID | ST_x01)) { - cc_invalidate(); - return 1; - } else { - return 0; - } -} - - -static void cc_invalidate(void) -{ - drv_num_read = 0xFF; - f_dsk_valid = 0xFF; - current_drive = 0xFF; - f_drv_ok = 0xFF; - - clear_Audio(); - -} - -static void clear_Audio(void) -{ - - f_AudioPlay = 0; - f_AudioPause = 0; - AudioStart_m = 0; - AudioStart_f = 0; - AudioEnd_m = 0; - AudioEnd_f = 0; - -} - -/* - * waiting ? - */ - -static int wait_drv_ready(void) -{ - int found, read; - - do { - found = inb(GSCDPORT(0)); - found &= 0x0f; - read = inb(GSCDPORT(0)); - read &= 0x0f; - } while (read != found); - -#ifdef GSCD_DEBUG - printk("Wait for: %d\n", read); -#endif - - return read; -} - -static void cc_Ident(char *respons) -{ - char to_do[] = { CMD_IDENT, 0, 0 }; - - cmd_out(TYPE_INFO, (char *) &to_do, (char *) respons, (int) 0x1E); - -} - -static void cc_SetSpeed(void) -{ - char to_do[] = { CMD_SETSPEED, 0, 0 }; - char dummy; - - if (speed > 0) { - to_do[1] = speed & 0x0F; - cmd_out(TYPE_INFO, (char *) &to_do, (char *) &dummy, 0); - } -} - -static void cc_Reset(void) -{ - char to_do[] = { CMD_RESET, 0 }; - char dummy; - - cmd_out(TYPE_INFO, (char *) &to_do, (char *) &dummy, 0); -} - -static void cmd_status(void) -{ - char to_do[] = { CMD_STATUS, 0 }; - char dummy; - - cmd_out(TYPE_INFO, (char *) &to_do, (char *) &dummy, 0); - -#ifdef GSCD_DEBUG - printk("GSCD: Status: %d\n", disk_state); -#endif - -} - -static void cmd_out(int cmd_type, char *cmd, char *respo_buf, int respo_count) -{ - int result; - - - result = wait_drv_ready(); - if (result != drv_mode) { - unsigned long test_loops = 0xFFFF; - int i, dummy; - - outb(curr_drv_state, GSCDPORT(0)); - - /* LOCLOOP_170 */ - do { - result = wait_drv_ready(); - test_loops--; - } while ((result != drv_mode) && (test_loops > 0)); - - if (result != drv_mode) { - disk_state = ST_x08 | ST_x04 | ST_INVALID; - return; - } - - /* ...and waiting */ - for (i = 1, dummy = 1; i < 0xFFFF; i++) { - dummy *= i; - } - } - - /* LOC_172 */ - /* check the unit */ - /* and wake it up */ - if (cmd_unit_alive() != 0x08) { - /* LOC_174 */ - /* game over for this unit */ - disk_state = ST_x08 | ST_x04 | ST_INVALID; - return; - } - - /* LOC_176 */ -#ifdef GSCD_DEBUG - printk("LOC_176 "); -#endif - if (drv_mode == 0x09) { - /* magic... */ - printk("GSCD: magic ...\n"); - outb(result, GSCDPORT(2)); - } - - /* write the command to the drive */ - cmd_write_cmd(cmd); - - /* LOC_178 */ - for (;;) { - result = wait_drv_ready(); - if (result != drv_mode) { - /* LOC_179 */ - if (result == 0x04) { /* Mode 4 */ - /* LOC_205 */ -#ifdef GSCD_DEBUG - printk("LOC_205 "); -#endif - disk_state = inb(GSCDPORT(2)); - - do { - result = wait_drv_ready(); - } while (result != drv_mode); - return; - - } else { - if (result == 0x06) { /* Mode 6 */ - /* LOC_181 */ -#ifdef GSCD_DEBUG - printk("LOC_181 "); -#endif - - if (cmd_type == TYPE_DATA) { - /* read data */ - /* LOC_184 */ - if (drv_mode == 9) { - /* read the data to the buffer (word) */ - - /* (*(cmd+1))?(CD_FRAMESIZE/2):(CD_FRAMESIZE_RAW/2) */ - cmd_read_w - (respo_buf, - respo_count, - CD_FRAMESIZE / - 2); - return; - } else { - /* read the data to the buffer (byte) */ - - /* (*(cmd+1))?(CD_FRAMESIZE):(CD_FRAMESIZE_RAW) */ - cmd_read_b - (respo_buf, - respo_count, - CD_FRAMESIZE); - return; - } - } else { - /* read the info to the buffer */ - cmd_info_in(respo_buf, - respo_count); - return; - } - - return; - } - } - - } else { - disk_state = ST_x08 | ST_x04 | ST_INVALID; - return; - } - } /* for (;;) */ - - -#ifdef GSCD_DEBUG - printk("\n"); -#endif -} - - -static void cmd_write_cmd(char *pstr) -{ - int i, j; - - /* LOC_177 */ -#ifdef GSCD_DEBUG - printk("LOC_177 "); -#endif - - /* calculate the number of parameter */ - j = *pstr & 0x0F; - - /* shift it out */ - for (i = 0; i < j; i++) { - outb(*pstr, GSCDPORT(2)); - pstr++; - } -} - - -static int cmd_unit_alive(void) -{ - int result; - unsigned long max_test_loops; - - - /* LOC_172 */ -#ifdef GSCD_DEBUG - printk("LOC_172 "); -#endif - - outb(curr_drv_state, GSCDPORT(0)); - max_test_loops = 0xFFFF; - - do { - result = wait_drv_ready(); - max_test_loops--; - } while ((result != 0x08) && (max_test_loops > 0)); - - return result; -} - - -static void cmd_info_in(char *pb, int count) -{ - int result; - char read; - - - /* read info */ - /* LOC_182 */ -#ifdef GSCD_DEBUG - printk("LOC_182 "); -#endif - - do { - read = inb(GSCDPORT(2)); - if (count > 0) { - *pb = read; - pb++; - count--; - } - - /* LOC_183 */ - do { - result = wait_drv_ready(); - } while (result == 0x0E); - } while (result == 6); - - cmd_end(); - return; -} - - -static void cmd_read_b(char *pb, int count, int size) -{ - int result; - int i; - - - /* LOC_188 */ - /* LOC_189 */ -#ifdef GSCD_DEBUG - printk("LOC_189 "); -#endif - - do { - do { - result = wait_drv_ready(); - } while (result != 6 || result == 0x0E); - - if (result != 6) { - cmd_end(); - return; - } -#ifdef GSCD_DEBUG - printk("LOC_191 "); -#endif - - for (i = 0; i < size; i++) { - *pb = inb(GSCDPORT(2)); - pb++; - } - count--; - } while (count > 0); - - cmd_end(); - return; -} - - -static void cmd_end(void) -{ - int result; - - - /* LOC_204 */ -#ifdef GSCD_DEBUG - printk("LOC_204 "); -#endif - - do { - result = wait_drv_ready(); - if (result == drv_mode) { - return; - } - } while (result != 4); - - /* LOC_205 */ -#ifdef GSCD_DEBUG - printk("LOC_205 "); -#endif - - disk_state = inb(GSCDPORT(2)); - - do { - result = wait_drv_ready(); - } while (result != drv_mode); - return; - -} - - -static void cmd_read_w(char *pb, int count, int size) -{ - int result; - int i; - - -#ifdef GSCD_DEBUG - printk("LOC_185 "); -#endif - - do { - /* LOC_185 */ - do { - result = wait_drv_ready(); - } while (result != 6 || result == 0x0E); - - if (result != 6) { - cmd_end(); - return; - } - - for (i = 0; i < size; i++) { - /* na, hier muss ich noch mal drueber nachdenken */ - *pb = inw(GSCDPORT(2)); - pb++; - } - count--; - } while (count > 0); - - cmd_end(); - return; -} - -static int __init find_drives(void) -{ - int *pdrv; - int drvnum; - int subdrv; - int i; - - speed = 0; - pdrv = (int *) &drv_states; - curr_drv_state = 0xFE; - subdrv = 0; - drvnum = 0; - - for (i = 0; i < 8; i++) { - subdrv++; - cmd_status(); - disk_state &= ST_x08 | ST_x04 | ST_INVALID | ST_x01; - if (disk_state != (ST_x08 | ST_x04 | ST_INVALID)) { - /* LOC_240 */ - *pdrv = curr_drv_state; - init_cd_drive(drvnum); - pdrv++; - drvnum++; - } else { - if (subdrv < 2) { - continue; - } else { - subdrv = 0; - } - } - -/* curr_drv_state<<1; <-- das geht irgendwie nicht */ -/* muss heissen: curr_drv_state <<= 1; (ist ja Wert-Zuweisung) */ - curr_drv_state *= 2; - curr_drv_state |= 1; -#ifdef GSCD_DEBUG - printk("DriveState: %d\n", curr_drv_state); -#endif - } - - ndrives = drvnum; - return drvnum; -} - -static void __init init_cd_drive(int num) -{ - char resp[50]; - int i; - - printk("GSCD: init unit %d\n", num); - cc_Ident((char *) &resp); - - printk("GSCD: identification: "); - for (i = 0; i < 0x1E; i++) { - printk("%c", resp[i]); - } - printk("\n"); - - cc_SetSpeed(); - -} - -#ifdef FUTURE_WORK -/* return_done */ -static void update_state(void) -{ - unsigned int AX; - - - if ((disk_state & (ST_x08 | ST_x04 | ST_INVALID | ST_x01)) == 0) { - if (disk_state == (ST_x08 | ST_x04 | ST_INVALID)) { - AX = ST_INVALID; - } - - if ((disk_state & (ST_x08 | ST_x04 | ST_INVALID | ST_x01)) - == 0) { - invalidate(); - f_drv_ok = 0; - } - - AX |= 0x8000; - } - - if (disk_state & ST_PLAYING) { - AX |= 0x200; - } - - AX |= 0x100; - /* pkt_esbx = AX; */ - - disk_state = 0; - -} -#endif - -static struct gendisk *gscd_disk; - -static void __exit gscd_exit(void) -{ - CLEAR_TIMER; - - del_gendisk(gscd_disk); - put_disk(gscd_disk); - if ((unregister_blkdev(MAJOR_NR, "gscd") == -EINVAL)) { - printk("What's that: can't unregister GoldStar-module\n"); - return; - } - blk_cleanup_queue(gscd_queue); - release_region(gscd_port, GSCD_IO_EXTENT); - printk(KERN_INFO "GoldStar-module released.\n"); -} - -/* This is the common initialisation for the GoldStar drive. */ -/* It is called at boot time AND for module init. */ -static int __init gscd_init(void) -{ - int i; - int result; - int ret=0; - - printk(KERN_INFO "GSCD: version %s\n", GSCD_VERSION); - printk(KERN_INFO - "GSCD: Trying to detect a Goldstar R420 CD-ROM drive at 0x%X.\n", - gscd_port); - - if (!request_region(gscd_port, GSCD_IO_EXTENT, "gscd")) { - printk(KERN_WARNING "GSCD: Init failed, I/O port (%X) already" - " in use.\n", gscd_port); - return -EIO; - } - - - /* check for card */ - result = wait_drv_ready(); - if (result == 0x09) { - printk(KERN_WARNING "GSCD: DMA kann ich noch nicht!\n"); - ret = -EIO; - goto err_out1; - } - - if (result == 0x0b) { - drv_mode = result; - i = find_drives(); - if (i == 0) { - printk(KERN_WARNING "GSCD: GoldStar CD-ROM Drive is" - " not found.\n"); - ret = -EIO; - goto err_out1; - } - } - - if ((result != 0x0b) && (result != 0x09)) { - printk(KERN_WARNING "GSCD: GoldStar Interface Adapter does not " - "exist or H/W error\n"); - ret = -EIO; - goto err_out1; - } - - /* reset all drives */ - i = 0; - while (drv_states[i] != 0) { - curr_drv_state = drv_states[i]; - printk(KERN_INFO "GSCD: Reset unit %d ... ", i); - cc_Reset(); - printk("done\n"); - i++; - } - - gscd_disk = alloc_disk(1); - if (!gscd_disk) - goto err_out1; - gscd_disk->major = MAJOR_NR; - gscd_disk->first_minor = 0; - gscd_disk->fops = &gscd_fops; - sprintf(gscd_disk->disk_name, "gscd"); - - if (register_blkdev(MAJOR_NR, "gscd")) { - ret = -EIO; - goto err_out2; - } - - gscd_queue = blk_init_queue(do_gscd_request, &gscd_lock); - if (!gscd_queue) { - ret = -ENOMEM; - goto err_out3; - } - - disk_state = 0; - gscdPresent = 1; - - gscd_disk->queue = gscd_queue; - add_disk(gscd_disk); - - printk(KERN_INFO "GSCD: GoldStar CD-ROM Drive found.\n"); - return 0; - -err_out3: - unregister_blkdev(MAJOR_NR, "gscd"); -err_out2: - put_disk(gscd_disk); -err_out1: - release_region(gscd_port, GSCD_IO_EXTENT); - return ret; -} - -static void gscd_hsg2msf(long hsg, struct msf *msf) -{ - hsg += CD_MSF_OFFSET; - msf->min = hsg / (CD_FRAMES * CD_SECS); - hsg %= CD_FRAMES * CD_SECS; - msf->sec = hsg / CD_FRAMES; - msf->frame = hsg % CD_FRAMES; - - gscd_bin2bcd(&msf->min); /* convert to BCD */ - gscd_bin2bcd(&msf->sec); - gscd_bin2bcd(&msf->frame); -} - - -static void gscd_bin2bcd(unsigned char *p) -{ - int u, t; - - u = *p % 10; - t = *p / 10; - *p = u | (t << 4); -} - - -#ifdef FUTURE_WORK -static long gscd_msf2hsg(struct msf *mp) -{ - return gscd_bcd2bin(mp->frame) - + gscd_bcd2bin(mp->sec) * CD_FRAMES - + gscd_bcd2bin(mp->min) * CD_FRAMES * CD_SECS - CD_MSF_OFFSET; -} - -static int gscd_bcd2bin(unsigned char bcd) -{ - return (bcd >> 4) * 10 + (bcd & 0xF); -} -#endif - -MODULE_AUTHOR("Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de>"); -MODULE_LICENSE("GPL"); -module_init(gscd_init); -module_exit(gscd_exit); -MODULE_ALIAS_BLOCKDEV_MAJOR(GOLDSTAR_CDROM_MAJOR); |