diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-22 10:18:06 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-22 10:18:06 -0700 |
commit | 21b7ef0c6c62a14bc8e1c8c0af4e1f0ba3a56d66 (patch) | |
tree | 71e53bd0464abd14d6b37c5b4487eaa438d46b65 /drivers | |
parent | 5c5d281a93e9816966b6131ccec19519dab0e103 (diff) | |
parent | b179fb8ca57590eeb0a5d6c8dc99f91773f09c73 (diff) | |
download | linux-21b7ef0c6c62a14bc8e1c8c0af4e1f0ba3a56d66.tar.bz2 |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/sbus/char/rtc.c | 103 | ||||
-rw-r--r-- | drivers/serial/sunsab.c | 16 | ||||
-rw-r--r-- | drivers/serial/sunsu.c | 11 |
3 files changed, 119 insertions, 11 deletions
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c index bf3273eb1c8b..49d1cd99d5ac 100644 --- a/drivers/sbus/char/rtc.c +++ b/drivers/sbus/char/rtc.c @@ -28,6 +28,42 @@ static int rtc_busy = 0; +/* This is the structure layout used by drivers/char/rtc.c, we + * support that driver's ioctls so that things are less messy in + * userspace. + */ +struct rtc_time_generic { + int tm_sec; + int tm_min; + int tm_hour; + int tm_mday; + int tm_mon; + int tm_year; + int tm_wday; + int tm_yday; + int tm_isdst; +}; +#define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */ +#define RTC_AIE_OFF _IO('p', 0x02) /* ... off */ +#define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */ +#define RTC_UIE_OFF _IO('p', 0x04) /* ... off */ +#define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */ +#define RTC_PIE_OFF _IO('p', 0x06) /* ... off */ +#define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */ +#define RTC_WIE_OFF _IO('p', 0x10) /* ... off */ +#define RTC_RD_TIME _IOR('p', 0x09, struct rtc_time_generic) /* Read RTC time */ +#define RTC_SET_TIME _IOW('p', 0x0a, struct rtc_time_generic) /* Set RTC time */ +#define RTC_ALM_SET _IOW('p', 0x07, struct rtc_time) /* Set alarm time */ +#define RTC_ALM_READ _IOR('p', 0x08, struct rtc_time) /* Read alarm time */ +#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */ +#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */ +#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */ +#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */ +#define RTC_WKALM_SET _IOW('p', 0x0f, struct rtc_wkalrm)/* Set wakeup alarm*/ +#define RTC_WKALM_RD _IOR('p', 0x10, struct rtc_wkalrm)/* Get wakeup alarm*/ +#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ +#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ + /* Retrieve the current date and time from the real time clock. */ static void get_rtc_time(struct rtc_time *t) { @@ -82,29 +118,87 @@ void set_rtc_time(struct rtc_time *t) spin_unlock_irq(&mostek_lock); } +static int put_rtc_time_generic(void __user *argp, struct rtc_time *tm) +{ + struct rtc_time_generic __user *utm = argp; + + if (__put_user(tm->sec, &utm->tm_sec) || + __put_user(tm->min, &utm->tm_min) || + __put_user(tm->hour, &utm->tm_hour) || + __put_user(tm->dom, &utm->tm_mday) || + __put_user(tm->month, &utm->tm_mon) || + __put_user(tm->year, &utm->tm_year) || + __put_user(tm->dow, &utm->tm_wday) || + __put_user(0, &utm->tm_yday) || + __put_user(0, &utm->tm_isdst)) + return -EFAULT; + + return 0; +} + +static int get_rtc_time_generic(struct rtc_time *tm, void __user *argp) +{ + struct rtc_time_generic __user *utm = argp; + + if (__get_user(tm->sec, &utm->tm_sec) || + __get_user(tm->min, &utm->tm_min) || + __get_user(tm->hour, &utm->tm_hour) || + __get_user(tm->dom, &utm->tm_mday) || + __get_user(tm->month, &utm->tm_mon) || + __get_user(tm->year, &utm->tm_year) || + __get_user(tm->dow, &utm->tm_wday)) + return -EFAULT; + + return 0; +} + static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct rtc_time rtc_tm; void __user *argp = (void __user *)arg; - switch (cmd) - { + switch (cmd) { + /* No interrupt support, return an error + * compatible with drivers/char/rtc.c + */ + case RTC_AIE_OFF: + case RTC_AIE_ON: + case RTC_PIE_OFF: + case RTC_PIE_ON: + case RTC_UIE_OFF: + case RTC_UIE_ON: + case RTC_IRQP_READ: + case RTC_IRQP_SET: + case RTC_EPOCH_SET: + case RTC_EPOCH_READ: + return -EINVAL; + case RTCGET: + case RTC_RD_TIME: memset(&rtc_tm, 0, sizeof(struct rtc_time)); get_rtc_time(&rtc_tm); - if (copy_to_user(argp, &rtc_tm, sizeof(struct rtc_time))) + if (cmd == RTCGET) { + if (copy_to_user(argp, &rtc_tm, + sizeof(struct rtc_time))) + return -EFAULT; + } else if (put_rtc_time_generic(argp, &rtc_tm)) return -EFAULT; return 0; case RTCSET: + case RTC_SET_TIME: if (!capable(CAP_SYS_TIME)) return -EPERM; - if (copy_from_user(&rtc_tm, argp, sizeof(struct rtc_time))) + if (cmd == RTCSET) { + if (copy_from_user(&rtc_tm, argp, + sizeof(struct rtc_time))) + return -EFAULT; + } else if (get_rtc_time_generic(&rtc_tm, argp)) return -EFAULT; set_rtc_time(&rtc_tm); @@ -164,6 +258,7 @@ static int __init rtc_sun_init(void) printk(KERN_ERR "rtc: unable to get misc minor for Mostek\n"); return error; } + printk("rtc_sun_init: Registered Mostek RTC driver.\n"); return 0; } diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index 8caaf2e5e47c..39b788d95e39 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -682,7 +682,8 @@ static void calc_ebrg(int baud, int *n_ret, int *m_ret) /* Internal routine, port->lock is held and local interrupts are disabled. */ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cflag, - unsigned int iflag, int baud) + unsigned int iflag, unsigned int baud, + unsigned int quot) { unsigned int ebrg; unsigned char dafo; @@ -766,6 +767,9 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla up->port.ignore_status_mask |= (SAB82532_ISR0_RPF | SAB82532_ISR0_TCD); + uart_update_timeout(&up->port, cflag, + (up->port.uartclk / (16 * quot))); + /* Now bang the new settings into the chip. */ sunsab_cec_wait(up); sunsab_tec_wait(up); @@ -784,10 +788,11 @@ static void sunsab_set_termios(struct uart_port *port, struct termios *termios, { struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; unsigned long flags; - int baud = uart_get_baud_rate(port, termios, old, 0, 4000000); + unsigned int baud = uart_get_baud_rate(port, termios, old, 0, 4000000); + unsigned int quot = uart_get_divisor(port, baud); spin_lock_irqsave(&up->port.lock, flags); - sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud); + sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud, quot); spin_unlock_irqrestore(&up->port.lock, flags); } @@ -880,7 +885,7 @@ static int sunsab_console_setup(struct console *con, char *options) { struct uart_sunsab_port *up = &sunsab_ports[con->index]; unsigned long flags; - int baud; + unsigned int baud, quot; printk("Console: ttyS%d (SAB82532)\n", (sunsab_reg.minor - 64) + con->index); @@ -926,7 +931,8 @@ static int sunsab_console_setup(struct console *con, char *options) SAB82532_IMR1_XPR; writeb(up->interrupt_mask1, &up->regs->w.imr1); - sunsab_convert_to_sab(up, con->cflag, 0, baud); + quot = uart_get_divisor(&up->port, baud); + sunsab_convert_to_sab(up, con->cflag, 0, baud, quot); sunsab_set_mctrl(&up->port, TIOCM_DTR | TIOCM_RTS); spin_unlock_irqrestore(&up->port.lock, flags); diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 23d19d394320..ddc97c905e14 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -1285,6 +1285,7 @@ static struct uart_driver sunsu_reg = { static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel) { + int quot, baud; #ifdef CONFIG_SERIO struct serio *serio; #endif @@ -1293,10 +1294,14 @@ static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel) up->port.type = PORT_UNKNOWN; up->port.uartclk = (SU_BASE_BAUD * 16); - if (up->su_type == SU_PORT_KBD) + if (up->su_type == SU_PORT_KBD) { up->cflag = B1200 | CS8 | CLOCAL | CREAD; - else + baud = 1200; + } else { up->cflag = B4800 | CS8 | CLOCAL | CREAD; + baud = 4800; + } + quot = up->port.uartclk / (16 * baud); sunsu_autoconfig(up); if (up->port.type == PORT_UNKNOWN) @@ -1337,6 +1342,8 @@ static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel) } #endif + sunsu_change_speed(&up->port, up->cflag, 0, quot); + sunsu_startup(&up->port); return 0; } |