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-rw-r--r--drivers/sbus/char/Kconfig10
-rw-r--r--drivers/sbus/char/Makefile1
-rw-r--r--drivers/sbus/char/rtc.c275
3 files changed, 0 insertions, 286 deletions
diff --git a/drivers/sbus/char/Kconfig b/drivers/sbus/char/Kconfig
index 1d5d1b4580cd..73cde85d04d8 100644
--- a/drivers/sbus/char/Kconfig
+++ b/drivers/sbus/char/Kconfig
@@ -13,16 +13,6 @@ config SUN_OPENPROMIO
13 13
14 If unsure, say Y. 14 If unsure, say Y.
15 15
16config SUN_MOSTEK_RTC
17 tristate "Mostek real time clock support"
18 depends on SPARC32
19 help
20 The Mostek RTC chip is used on all known Sun computers except
21 some JavaStations. For a JavaStation you need to say Y both here
22 and to "Enhanced Real Time Clock Support".
23
24 Say Y here unless you are building a special purpose kernel.
25
26config OBP_FLASH 16config OBP_FLASH
27 tristate "OBP Flash Device support" 17 tristate "OBP Flash Device support"
28 depends on SPARC64 18 depends on SPARC64
diff --git a/drivers/sbus/char/Makefile b/drivers/sbus/char/Makefile
index d83212ec5417..78b6183c9866 100644
--- a/drivers/sbus/char/Makefile
+++ b/drivers/sbus/char/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_ENVCTRL) += envctrl.o
13obj-$(CONFIG_DISPLAY7SEG) += display7seg.o 13obj-$(CONFIG_DISPLAY7SEG) += display7seg.o
14obj-$(CONFIG_OBP_FLASH) += flash.o 14obj-$(CONFIG_OBP_FLASH) += flash.o
15obj-$(CONFIG_SUN_OPENPROMIO) += openprom.o 15obj-$(CONFIG_SUN_OPENPROMIO) += openprom.o
16obj-$(CONFIG_SUN_MOSTEK_RTC) += rtc.o
17obj-$(CONFIG_TADPOLE_TS102_UCTRL) += uctrl.o 16obj-$(CONFIG_TADPOLE_TS102_UCTRL) += uctrl.o
18obj-$(CONFIG_SUN_JSFLASH) += jsflash.o 17obj-$(CONFIG_SUN_JSFLASH) += jsflash.o
19obj-$(CONFIG_BBC_I2C) += bbc.o 18obj-$(CONFIG_BBC_I2C) += bbc.o
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
deleted file mode 100644
index b0429917154d..000000000000
--- a/drivers/sbus/char/rtc.c
+++ /dev/null
@@ -1,275 +0,0 @@
1/* $Id: rtc.c,v 1.28 2001/10/08 22:19:51 davem Exp $
2 *
3 * Linux/SPARC Real Time Clock Driver
4 * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
5 *
6 * This is a little driver that lets a user-level program access
7 * the SPARC Mostek real time clock chip. It is no use unless you
8 * use the modified clock utility.
9 *
10 * Get the modified clock utility from:
11 * ftp://vger.kernel.org/pub/linux/Sparc/userland/clock.c
12 */
13
14#include <linux/module.h>
15#include <linux/smp_lock.h>
16#include <linux/types.h>
17#include <linux/errno.h>
18#include <linux/miscdevice.h>
19#include <linux/slab.h>
20#include <linux/fcntl.h>
21#include <linux/poll.h>
22#include <linux/init.h>
23#include <asm/io.h>
24#include <asm/mostek.h>
25#include <asm/system.h>
26#include <asm/uaccess.h>
27#include <asm/rtc.h>
28
29static int rtc_busy = 0;
30
31/* This is the structure layout used by drivers/char/rtc.c, we
32 * support that driver's ioctls so that things are less messy in
33 * userspace.
34 */
35struct rtc_time_generic {
36 int tm_sec;
37 int tm_min;
38 int tm_hour;
39 int tm_mday;
40 int tm_mon;
41 int tm_year;
42 int tm_wday;
43 int tm_yday;
44 int tm_isdst;
45};
46#define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */
47#define RTC_AIE_OFF _IO('p', 0x02) /* ... off */
48#define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */
49#define RTC_UIE_OFF _IO('p', 0x04) /* ... off */
50#define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */
51#define RTC_PIE_OFF _IO('p', 0x06) /* ... off */
52#define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */
53#define RTC_WIE_OFF _IO('p', 0x10) /* ... off */
54#define RTC_RD_TIME _IOR('p', 0x09, struct rtc_time_generic) /* Read RTC time */
55#define RTC_SET_TIME _IOW('p', 0x0a, struct rtc_time_generic) /* Set RTC time */
56#define RTC_ALM_SET _IOW('p', 0x07, struct rtc_time) /* Set alarm time */
57#define RTC_ALM_READ _IOR('p', 0x08, struct rtc_time) /* Read alarm time */
58#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */
59#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */
60#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */
61#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */
62#define RTC_WKALM_SET _IOW('p', 0x0f, struct rtc_wkalrm)/* Set wakeup alarm*/
63#define RTC_WKALM_RD _IOR('p', 0x10, struct rtc_wkalrm)/* Get wakeup alarm*/
64#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */
65#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */
66
67/* Retrieve the current date and time from the real time clock. */
68static void get_rtc_time(struct rtc_time *t)
69{
70 void __iomem *regs = mstk48t02_regs;
71 u8 tmp;
72
73 spin_lock_irq(&mostek_lock);
74
75 tmp = mostek_read(regs + MOSTEK_CREG);
76 tmp |= MSTK_CREG_READ;
77 mostek_write(regs + MOSTEK_CREG, tmp);
78
79 t->sec = MSTK_REG_SEC(regs);
80 t->min = MSTK_REG_MIN(regs);
81 t->hour = MSTK_REG_HOUR(regs);
82 t->dow = MSTK_REG_DOW(regs);
83 t->dom = MSTK_REG_DOM(regs);
84 t->month = MSTK_REG_MONTH(regs);
85 t->year = MSTK_CVT_YEAR( MSTK_REG_YEAR(regs) );
86
87 tmp = mostek_read(regs + MOSTEK_CREG);
88 tmp &= ~MSTK_CREG_READ;
89 mostek_write(regs + MOSTEK_CREG, tmp);
90
91 spin_unlock_irq(&mostek_lock);
92}
93
94/* Set the current date and time inthe real time clock. */
95void set_rtc_time(struct rtc_time *t)
96{
97 void __iomem *regs = mstk48t02_regs;
98 u8 tmp;
99
100 spin_lock_irq(&mostek_lock);
101
102 tmp = mostek_read(regs + MOSTEK_CREG);
103 tmp |= MSTK_CREG_WRITE;
104 mostek_write(regs + MOSTEK_CREG, tmp);
105
106 MSTK_SET_REG_SEC(regs,t->sec);
107 MSTK_SET_REG_MIN(regs,t->min);
108 MSTK_SET_REG_HOUR(regs,t->hour);
109 MSTK_SET_REG_DOW(regs,t->dow);
110 MSTK_SET_REG_DOM(regs,t->dom);
111 MSTK_SET_REG_MONTH(regs,t->month);
112 MSTK_SET_REG_YEAR(regs,t->year - MSTK_YEAR_ZERO);
113
114 tmp = mostek_read(regs + MOSTEK_CREG);
115 tmp &= ~MSTK_CREG_WRITE;
116 mostek_write(regs + MOSTEK_CREG, tmp);
117
118 spin_unlock_irq(&mostek_lock);
119}
120
121static int put_rtc_time_generic(void __user *argp, struct rtc_time *tm)
122{
123 struct rtc_time_generic __user *utm = argp;
124
125 if (__put_user(tm->sec, &utm->tm_sec) ||
126 __put_user(tm->min, &utm->tm_min) ||
127 __put_user(tm->hour, &utm->tm_hour) ||
128 __put_user(tm->dom, &utm->tm_mday) ||
129 __put_user(tm->month, &utm->tm_mon) ||
130 __put_user(tm->year, &utm->tm_year) ||
131 __put_user(tm->dow, &utm->tm_wday) ||
132 __put_user(0, &utm->tm_yday) ||
133 __put_user(0, &utm->tm_isdst))
134 return -EFAULT;
135
136 return 0;
137}
138
139static int get_rtc_time_generic(struct rtc_time *tm, void __user *argp)
140{
141 struct rtc_time_generic __user *utm = argp;
142
143 if (__get_user(tm->sec, &utm->tm_sec) ||
144 __get_user(tm->min, &utm->tm_min) ||
145 __get_user(tm->hour, &utm->tm_hour) ||
146 __get_user(tm->dom, &utm->tm_mday) ||
147 __get_user(tm->month, &utm->tm_mon) ||
148 __get_user(tm->year, &utm->tm_year) ||
149 __get_user(tm->dow, &utm->tm_wday))
150 return -EFAULT;
151
152 return 0;
153}
154
155static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
156 unsigned long arg)
157{
158 struct rtc_time rtc_tm;
159 void __user *argp = (void __user *)arg;
160
161 switch (cmd) {
162 /* No interrupt support, return an error
163 * compatible with drivers/char/rtc.c
164 */
165 case RTC_AIE_OFF:
166 case RTC_AIE_ON:
167 case RTC_PIE_OFF:
168 case RTC_PIE_ON:
169 case RTC_UIE_OFF:
170 case RTC_UIE_ON:
171 case RTC_IRQP_READ:
172 case RTC_IRQP_SET:
173 case RTC_EPOCH_SET:
174 case RTC_EPOCH_READ:
175 return -EINVAL;
176
177 case RTCGET:
178 case RTC_RD_TIME:
179 memset(&rtc_tm, 0, sizeof(struct rtc_time));
180 get_rtc_time(&rtc_tm);
181
182 if (cmd == RTCGET) {
183 if (copy_to_user(argp, &rtc_tm,
184 sizeof(struct rtc_time)))
185 return -EFAULT;
186 } else if (put_rtc_time_generic(argp, &rtc_tm))
187 return -EFAULT;
188
189 return 0;
190
191
192 case RTCSET:
193 case RTC_SET_TIME:
194 if (!capable(CAP_SYS_TIME))
195 return -EPERM;
196
197 if (cmd == RTCSET) {
198 if (copy_from_user(&rtc_tm, argp,
199 sizeof(struct rtc_time)))
200 return -EFAULT;
201 } else if (get_rtc_time_generic(&rtc_tm, argp))
202 return -EFAULT;
203
204 set_rtc_time(&rtc_tm);
205
206 return 0;
207
208 default:
209 return -EINVAL;
210 }
211}
212
213static int rtc_open(struct inode *inode, struct file *file)
214{
215 int ret;
216
217 lock_kernel();
218 spin_lock_irq(&mostek_lock);
219 if (rtc_busy) {
220 ret = -EBUSY;
221 } else {
222 rtc_busy = 1;
223 ret = 0;
224 }
225 spin_unlock_irq(&mostek_lock);
226 unlock_kernel();
227
228 return ret;
229}
230
231static int rtc_release(struct inode *inode, struct file *file)
232{
233 rtc_busy = 0;
234
235 return 0;
236}
237
238static const struct file_operations rtc_fops = {
239 .owner = THIS_MODULE,
240 .llseek = no_llseek,
241 .ioctl = rtc_ioctl,
242 .open = rtc_open,
243 .release = rtc_release,
244};
245
246static struct miscdevice rtc_dev = { RTC_MINOR, "rtc", &rtc_fops };
247
248static int __init rtc_sun_init(void)
249{
250 int error;
251
252 /* It is possible we are being driven by some other RTC chip
253 * and thus another RTC driver is handling things.
254 */
255 if (!mstk48t02_regs)
256 return -ENODEV;
257
258 error = misc_register(&rtc_dev);
259 if (error) {
260 printk(KERN_ERR "rtc: unable to get misc minor for Mostek\n");
261 return error;
262 }
263 printk("rtc_sun_init: Registered Mostek RTC driver.\n");
264
265 return 0;
266}
267
268static void __exit rtc_sun_cleanup(void)
269{
270 misc_deregister(&rtc_dev);
271}
272
273module_init(rtc_sun_init);
274module_exit(rtc_sun_cleanup);
275MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-23 15:35:16 -0500