diff options
Diffstat (limited to 'drivers/char')
30 files changed, 1154 insertions, 341 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 9e43e39dc35..d08bb4ee130 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -610,6 +610,13 @@ config HVC_RTAS help IBM Console device driver which makes use of RTAS +config HVC_BEAT + bool "Toshiba's Beat Hypervisor Console support" + depends on PPC_CELLEB + select HVC_DRIVER + help + Toshiba's Cell Reference Set Beat Console device driver + config HVCS tristate "IBM Hypervisor Virtual Console Server support" depends on PPC_PSERIES diff --git a/drivers/char/Makefile b/drivers/char/Makefile index fc110637ced..ae8567cc529 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_RIO) += rio/ generic_serial.o obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o obj-$(CONFIG_HVC_ISERIES) += hvc_iseries.o obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o +obj-$(CONFIG_HVC_BEAT) += hvc_beat.o obj-$(CONFIG_HVC_DRIVER) += hvc_console.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o @@ -59,6 +60,8 @@ obj-$(CONFIG_BRIQ_PANEL) += briq_panel.o obj-$(CONFIG_PRINTER) += lp.o obj-$(CONFIG_TIPAR) += tipar.o +obj-$(CONFIG_APM_EMULATION) += apm-emulation.o + obj-$(CONFIG_DTLK) += dtlk.o obj-$(CONFIG_R3964) += n_r3964.o obj-$(CONFIG_APPLICOM) += applicom.o diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c new file mode 100644 index 00000000000..179c7a3b6e7 --- /dev/null +++ b/drivers/char/apm-emulation.c @@ -0,0 +1,672 @@ +/* + * bios-less APM driver for ARM Linux + * Jamey Hicks <jamey@crl.dec.com> + * adapted from the APM BIOS driver for Linux by Stephen Rothwell (sfr@linuxcare.com) + * + * APM 1.2 Reference: + * Intel Corporation, Microsoft Corporation. Advanced Power Management + * (APM) BIOS Interface Specification, Revision 1.2, February 1996. + * + * [This document is available from Microsoft at: + * http://www.microsoft.com/hwdev/busbios/amp_12.htm] + */ +#include <linux/module.h> +#include <linux/poll.h> +#include <linux/slab.h> +#include <linux/proc_fs.h> +#include <linux/miscdevice.h> +#include <linux/apm_bios.h> +#include <linux/capability.h> +#include <linux/sched.h> +#include <linux/pm.h> +#include <linux/apm-emulation.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <linux/kthread.h> +#include <linux/delay.h> + +#include <asm/system.h> + +/* + * The apm_bios device is one of the misc char devices. + * This is its minor number. + */ +#define APM_MINOR_DEV 134 + +/* + * See Documentation/Config.help for the configuration options. + * + * Various options can be changed at boot time as follows: + * (We allow underscores for compatibility with the modules code) + * apm=on/off enable/disable APM + */ + +/* + * Maximum number of events stored + */ +#define APM_MAX_EVENTS 16 + +struct apm_queue { + unsigned int event_head; + unsigned int event_tail; + apm_event_t events[APM_MAX_EVENTS]; +}; + +/* + * The per-file APM data + */ +struct apm_user { + struct list_head list; + + unsigned int suser: 1; + unsigned int writer: 1; + unsigned int reader: 1; + + int suspend_result; + unsigned int suspend_state; +#define SUSPEND_NONE 0 /* no suspend pending */ +#define SUSPEND_PENDING 1 /* suspend pending read */ +#define SUSPEND_READ 2 /* suspend read, pending ack */ +#define SUSPEND_ACKED 3 /* suspend acked */ +#define SUSPEND_WAIT 4 /* waiting for suspend */ +#define SUSPEND_DONE 5 /* suspend completed */ + + struct apm_queue queue; +}; + +/* + * Local variables + */ +static int suspends_pending; +static int apm_disabled; +static struct task_struct *kapmd_tsk; + +static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); +static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); + +/* + * This is a list of everyone who has opened /dev/apm_bios + */ +static DECLARE_RWSEM(user_list_lock); +static LIST_HEAD(apm_user_list); + +/* + * kapmd info. kapmd provides us a process context to handle + * "APM" events within - specifically necessary if we're going + * to be suspending the system. + */ +static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait); +static DEFINE_SPINLOCK(kapmd_queue_lock); +static struct apm_queue kapmd_queue; + +static DEFINE_MUTEX(state_lock); + +static const char driver_version[] = "1.13"; /* no spaces */ + + + +/* + * Compatibility cruft until the IPAQ people move over to the new + * interface. + */ +static void __apm_get_power_status(struct apm_power_info *info) +{ +} + +/* + * This allows machines to provide their own "apm get power status" function. + */ +void (*apm_get_power_status)(struct apm_power_info *) = __apm_get_power_status; +EXPORT_SYMBOL(apm_get_power_status); + + +/* + * APM event queue management. + */ +static inline int queue_empty(struct apm_queue *q) +{ + return q->event_head == q->event_tail; +} + +static inline apm_event_t queue_get_event(struct apm_queue *q) +{ + q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; + return q->events[q->event_tail]; +} + +static void queue_add_event(struct apm_queue *q, apm_event_t event) +{ + q->event_head = (q->event_head + 1) % APM_MAX_EVENTS; + if (q->event_head == q->event_tail) { + static int notified; + + if (notified++ == 0) + printk(KERN_ERR "apm: an event queue overflowed\n"); + q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; + } + q->events[q->event_head] = event; +} + +static void queue_event(apm_event_t event) +{ + struct apm_user *as; + + down_read(&user_list_lock); + list_for_each_entry(as, &apm_user_list, list) { + if (as->reader) + queue_add_event(&as->queue, event); + } + up_read(&user_list_lock); + wake_up_interruptible(&apm_waitqueue); +} + +/* + * queue_suspend_event - queue an APM suspend event. + * + * Check that we're in a state where we can suspend. If not, + * return -EBUSY. Otherwise, queue an event to all "writer" + * users. If there are no "writer" users, return '1' to + * indicate that we can immediately suspend. + */ +static int queue_suspend_event(apm_event_t event, struct apm_user *sender) +{ + struct apm_user *as; + int ret = 1; + + mutex_lock(&state_lock); + down_read(&user_list_lock); + + /* + * If a thread is still processing, we can't suspend, so reject + * the request. + */ + list_for_each_entry(as, &apm_user_list, list) { + if (as != sender && as->reader && as->writer && as->suser && + as->suspend_state != SUSPEND_NONE) { + ret = -EBUSY; + goto out; + } + } + + list_for_each_entry(as, &apm_user_list, list) { + if (as != sender && as->reader && as->writer && as->suser) { + as->suspend_state = SUSPEND_PENDING; + suspends_pending++; + queue_add_event(&as->queue, event); + ret = 0; + } + } + out: + up_read(&user_list_lock); + mutex_unlock(&state_lock); + wake_up_interruptible(&apm_waitqueue); + return ret; +} + +static void apm_suspend(void) +{ + struct apm_user *as; + int err = pm_suspend(PM_SUSPEND_MEM); + + /* + * Anyone on the APM queues will think we're still suspended. + * Send a message so everyone knows we're now awake again. + */ + queue_event(APM_NORMAL_RESUME); + + /* + * Finally, wake up anyone who is sleeping on the suspend. + */ + mutex_lock(&state_lock); + down_read(&user_list_lock); + list_for_each_entry(as, &apm_user_list, list) { + if (as->suspend_state == SUSPEND_WAIT || + as->suspend_state == SUSPEND_ACKED) { + as->suspend_result = err; + as->suspend_state = SUSPEND_DONE; + } + } + up_read(&user_list_lock); + mutex_unlock(&state_lock); + + wake_up(&apm_suspend_waitqueue); +} + +static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) +{ + struct apm_user *as = fp->private_data; + apm_event_t event; + int i = count, ret = 0; + + if (count < sizeof(apm_event_t)) + return -EINVAL; + + if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK) + return -EAGAIN; + + wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue)); + + while ((i >= sizeof(event)) && !queue_empty(&as->queue)) { + event = queue_get_event(&as->queue); + + ret = -EFAULT; + if (copy_to_user(buf, &event, sizeof(event))) + break; + + mutex_lock(&state_lock); + if (as->suspend_state == SUSPEND_PENDING && + (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND)) + as->suspend_state = SUSPEND_READ; + mutex_unlock(&state_lock); + + buf += sizeof(event); + i -= sizeof(event); + } + + if (i < count) + ret = count - i; + + return ret; +} + +static unsigned int apm_poll(struct file *fp, poll_table * wait) +{ + struct apm_user *as = fp->private_data; + + poll_wait(fp, &apm_waitqueue, wait); + return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM; +} + +/* + * apm_ioctl - handle APM ioctl + * + * APM_IOC_SUSPEND + * This IOCTL is overloaded, and performs two functions. It is used to: + * - initiate a suspend + * - acknowledge a suspend read from /dev/apm_bios. + * Only when everyone who has opened /dev/apm_bios with write permission + * has acknowledge does the actual suspend happen. + */ +static int +apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) +{ + struct apm_user *as = filp->private_data; + unsigned long flags; + int err = -EINVAL; + + if (!as->suser || !as->writer) + return -EPERM; + + switch (cmd) { + case APM_IOC_SUSPEND: + mutex_lock(&state_lock); + + as->suspend_result = -EINTR; + + if (as->suspend_state == SUSPEND_READ) { + int pending; + + /* + * If we read a suspend command from /dev/apm_bios, + * then the corresponding APM_IOC_SUSPEND ioctl is + * interpreted as an acknowledge. + */ + as->suspend_state = SUSPEND_ACKED; + suspends_pending--; + pending = suspends_pending == 0; + mutex_unlock(&state_lock); + + /* + * If there are no further acknowledges required, + * suspend the system. + */ + if (pending) + apm_suspend(); + + /* + * Wait for the suspend/resume to complete. If there + * are pending acknowledges, we wait here for them. + * + * Note: we need to ensure that the PM subsystem does + * not kick us out of the wait when it suspends the + * threads. + */ + flags = current->flags; + current->flags |= PF_NOFREEZE; + + wait_event(apm_suspend_waitqueue, + as->suspend_state == SUSPEND_DONE); + } else { + as->suspend_state = SUSPEND_WAIT; + mutex_unlock(&state_lock); + + /* + * Otherwise it is a request to suspend the system. + * Queue an event for all readers, and expect an + * acknowledge from all writers who haven't already + * acknowledged. + */ + err = queue_suspend_event(APM_USER_SUSPEND, as); + if (err < 0) { + /* + * Avoid taking the lock here - this + * should be fine. + */ + as->suspend_state = SUSPEND_NONE; + break; + } + + if (err > 0) + apm_suspend(); + + /* + * Wait for the suspend/resume to complete. If there + * are pending acknowledges, we wait here for them. + * + * Note: we need to ensure that the PM subsystem does + * not kick us out of the wait when it suspends the + * threads. + */ + flags = current->flags; + current->flags |= PF_NOFREEZE; + + wait_event_interruptible(apm_suspend_waitqueue, + as->suspend_state == SUSPEND_DONE); + } + + current->flags = flags; + + mutex_lock(&state_lock); + err = as->suspend_result; + as->suspend_state = SUSPEND_NONE; + mutex_unlock(&state_lock); + break; + } + + return err; +} + +static int apm_release(struct inode * inode, struct file * filp) +{ + struct apm_user *as = filp->private_data; + int pending = 0; + + filp->private_data = NULL; + + down_write(&user_list_lock); + list_del(&as->list); + up_write(&user_list_lock); + + /* + * We are now unhooked from the chain. As far as new + * events are concerned, we no longer exist. However, we + * need to balance suspends_pending, which means the + * possibility of sleeping. + */ + mutex_lock(&state_lock); + if (as->suspend_state != SUSPEND_NONE) { + suspends_pending -= 1; + pending = suspends_pending == 0; + } + mutex_unlock(&state_lock); + if (pending) + apm_suspend(); + + kfree(as); + return 0; +} + +static int apm_open(struct inode * inode, struct file * filp) +{ + struct apm_user *as; + + as = kzalloc(sizeof(*as), GFP_KERNEL); + if (as) { + /* + * XXX - this is a tiny bit broken, when we consider BSD + * process accounting. If the device is opened by root, we + * instantly flag that we used superuser privs. Who knows, + * we might close the device immediately without doing a + * privileged operation -- cevans + */ + as->suser = capable(CAP_SYS_ADMIN); + as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE; + as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ; + + down_write(&user_list_lock); + list_add(&as->list, &apm_user_list); + up_write(&user_list_lock); + + filp->private_data = as; + } + + return as ? 0 : -ENOMEM; +} + +static struct file_operations apm_bios_fops = { + .owner = THIS_MODULE, + .read = apm_read, + .poll = apm_poll, + .ioctl = apm_ioctl, + .open = apm_open, + .release = apm_release, +}; + +static struct miscdevice apm_device = { + .minor = APM_MINOR_DEV, + .name = "apm_bios", + .fops = &apm_bios_fops +}; + + +#ifdef CONFIG_PROC_FS +/* + * Arguments, with symbols from linux/apm_bios.h. + * + * 0) Linux driver version (this will change if format changes) + * 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. + * 2) APM flags from APM Installation Check (0x00): + * bit 0: APM_16_BIT_SUPPORT + * bit 1: APM_32_BIT_SUPPORT + * bit 2: APM_IDLE_SLOWS_CLOCK + * bit 3: APM_BIOS_DISABLED + * bit 4: APM_BIOS_DISENGAGED + * 3) AC line status + * 0x00: Off-line + * 0x01: On-line + * 0x02: On backup power (BIOS >= 1.1 only) + * 0xff: Unknown + * 4) Battery status + * 0x00: High + * 0x01: Low + * 0x02: Critical + * 0x03: Charging + * 0x04: Selected battery not present (BIOS >= 1.2 only) + * 0xff: Unknown + * 5) Battery flag + * bit 0: High + * bit 1: Low + * bit 2: Critical + * bit 3: Charging + * bit 7: No system battery + * 0xff: Unknown + * 6) Remaining battery life (percentage of charge): + * 0-100: valid + * -1: Unknown + * 7) Remaining battery life (time units): + * Number of remaining minutes or seconds + * -1: Unknown + * 8) min = minutes; sec = seconds + */ +static int apm_get_info(char *buf, char **start, off_t fpos, int length) +{ + struct apm_power_info info; + char *units; + int ret; + + info.ac_line_status = 0xff; + info.battery_status = 0xff; + info.battery_flag = 0xff; + info.battery_life = -1; + info.time = -1; + info.units = -1; + + if (apm_get_power_status) + apm_get_power_status(&info); + + switch (info.units) { + default: units = "?"; break; + case 0: units = "min"; break; + case 1: units = "sec"; break; + } + + ret = sprintf(buf, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", + driver_version, APM_32_BIT_SUPPORT, + info.ac_line_status, info.battery_status, + info.battery_flag, info.battery_life, + info.time, units); + + return ret; +} +#endif + +static int kapmd(void *arg) +{ + do { + apm_event_t event; + int ret; + + wait_event_interruptible(kapmd_wait, + !queue_empty(&kapmd_queue) || kthread_should_stop()); + + if (kthread_should_stop()) + break; + + spin_lock_irq(&kapmd_queue_lock); + event = 0; + if (!queue_empty(&kapmd_queue)) + event = queue_get_event(&kapmd_queue); + spin_unlock_irq(&kapmd_queue_lock); + + switch (event) { + case 0: + break; + + case APM_LOW_BATTERY: + case APM_POWER_STATUS_CHANGE: + queue_event(event); + break; + + case APM_USER_SUSPEND: + case APM_SYS_SUSPEND: + ret = queue_suspend_event(event, NULL); + if (ret < 0) { + /* + * We were busy. Try again in 50ms. + */ + queue_add_event(&kapmd_queue, event); + msleep(50); + } + if (ret > 0) + apm_suspend(); + break; + + case APM_CRITICAL_SUSPEND: + apm_suspend(); + break; + } + } while (1); + + return 0; +} + +static int __init apm_init(void) +{ + int ret; + + if (apm_disabled) { + printk(KERN_NOTICE "apm: disabled on user request.\n"); + return -ENODEV; + } + + kapmd_tsk = kthread_create(kapmd, NULL, "kapmd"); + if (IS_ERR(kapmd_tsk)) { + ret = PTR_ERR(kapmd_tsk); + kapmd_tsk = NULL; + return ret; + } + kapmd_tsk->flags |= PF_NOFREEZE; + wake_up_process(kapmd_tsk); + +#ifdef CONFIG_PROC_FS + create_proc_info_entry("apm", 0, NULL, apm_get_info); +#endif + + ret = misc_register(&apm_device); + if (ret != 0) { + remove_proc_entry("apm", NULL); + kthread_stop(kapmd_tsk); + } + + return ret; +} + +static void __exit apm_exit(void) +{ + misc_deregister(&apm_device); + remove_proc_entry("apm", NULL); + + kthread_stop(kapmd_tsk); +} + +module_init(apm_init); +module_exit(apm_exit); + +MODULE_AUTHOR("Stephen Rothwell"); +MODULE_DESCRIPTION("Advanced Power Management"); +MODULE_LICENSE("GPL"); + +#ifndef MODULE +static int __init apm_setup(char *str) +{ + while ((str != NULL) && (*str != '\0')) { + if (strncmp(str, "off", 3) == 0) + apm_disabled = 1; + if (strncmp(str, "on", 2) == 0) + apm_disabled = 0; + str = strchr(str, ','); + if (str != NULL) + str += strspn(str, ", \t"); + } + return 1; +} + +__setup("apm=", apm_setup); +#endif + +/** + * apm_queue_event - queue an APM event for kapmd + * @event: APM event + * + * Queue an APM event for kapmd to process and ultimately take the + * appropriate action. Only a subset of events are handled: + * %APM_LOW_BATTERY + * %APM_POWER_STATUS_CHANGE + * %APM_USER_SUSPEND + * %APM_SYS_SUSPEND + * %APM_CRITICAL_SUSPEND + */ +void apm_queue_event(apm_event_t event) +{ + unsigned long flags; + + spin_lock_irqsave(&kapmd_queue_lock, flags); + queue_add_event(&kapmd_queue, event); + spin_unlock_irqrestore(&kapmd_queue_lock, flags); + + wake_up_interruptible(&kapmd_wait); +} +EXPORT_SYMBOL(apm_queue_event); diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 6dcdceb8120..85d99e21e18 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -532,11 +532,13 @@ typedef struct drm_mm_node { int free; unsigned long start; unsigned long size; + struct drm_mm *mm; void *private; } drm_mm_node_t; typedef struct drm_mm { - drm_mm_node_t root_node; + struct list_head fl_entry; + struct list_head ml_entry; } drm_mm_t; /** @@ -843,9 +845,6 @@ extern void drm_mem_init(void); extern int drm_mem_info(char *buf, char **start, off_t offset, int request, int *eof, void *data); extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev); -extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev); extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type); extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); @@ -1053,33 +1052,18 @@ extern void drm_sysfs_device_remove(struct class_device *class_dev); extern drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, unsigned long size, unsigned alignment); -extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur); +void drm_mm_put_block(drm_mm_node_t * cur); extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size, unsigned alignment, int best_match); extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size); extern void drm_mm_takedown(drm_mm_t *mm); +extern int drm_mm_clean(drm_mm_t *mm); +extern unsigned long drm_mm_tail_space(drm_mm_t *mm); +extern int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size); +extern int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size); -/* Inline replacements for DRM_IOREMAP macros */ -static __inline__ void drm_core_ioremap(struct drm_map *map, - struct drm_device *dev) -{ - map->handle = drm_ioremap(map->offset, map->size, dev); -} - -#if 0 -static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, - struct drm_device *dev) -{ - map->handle = drm_ioremap_nocache(map->offset, map->size, dev); -} -#endif /* 0 */ - -static __inline__ void drm_core_ioremapfree(struct drm_map *map, - struct drm_device *dev) -{ - if (map->handle && map->size) - drm_ioremapfree(map->handle, map->size, dev); -} +extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); +extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned int token) diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 9f65f5697ba..a6828cc14e5 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -79,14 +79,14 @@ static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash, if (!use_hashed_handle) { int ret; - hash->key = user_token; + hash->key = user_token >> PAGE_SHIFT; ret = drm_ht_insert_item(&dev->map_hash, hash); if (ret != -EINVAL) return ret; } return drm_ht_just_insert_please(&dev->map_hash, hash, user_token, 32 - PAGE_SHIFT - 3, - PAGE_SHIFT, DRM_MAP_HASH_OFFSET); + 0, DRM_MAP_HASH_OFFSET >> PAGE_SHIFT); } /** @@ -178,11 +178,11 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, } } if (map->type == _DRM_REGISTERS) - map->handle = drm_ioremap(map->offset, map->size, dev); + map->handle = ioremap(map->offset, map->size); break; case _DRM_SHM: - map->handle = vmalloc_32(map->size); + map->handle = vmalloc_user(map->size); DRM_DEBUG("%lu %d %p\n", map->size, drm_order(map->size), map->handle); if (!map->handle) { @@ -238,7 +238,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, list = drm_alloc(sizeof(*list), DRM_MEM_MAPS); if (!list) { if (map->type == _DRM_REGISTERS) - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; } @@ -255,14 +255,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, ret = drm_map_handle(dev, &list->hash, user_token, 0); if (ret) { if (map->type == _DRM_REGISTERS) - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); drm_free(map, sizeof(*map), DRM_MEM_MAPS); drm_free(list, sizeof(*list), DRM_MEM_MAPS); mutex_unlock(&dev->struct_mutex); return ret; } - list->user_token = list->hash.key; + list->user_token = list->hash.key << PAGE_SHIFT; mutex_unlock(&dev->struct_mutex); *maplist = list; @@ -347,7 +347,8 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) if (r_list->map == map) { list_del(list); - drm_ht_remove_key(&dev->map_hash, r_list->user_token); + drm_ht_remove_key(&dev->map_hash, + r_list->user_token >> PAGE_SHIFT); drm_free(list, sizeof(*list), DRM_MEM_MAPS); break; } @@ -362,7 +363,7 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) switch (map->type) { case _DRM_REGISTERS: - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); /* FALLTHROUGH */ case _DRM_FRAME_BUFFER: if (drm_core_has_MTRR(dev) && map->mtrr >= 0) { diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index 5681cae1d40..92a86708237 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -79,28 +79,6 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) } #if __OS_HAS_AGP -/* - * Find the drm_map that covers the range [offset, offset+size). - */ -static drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - struct list_head *list; - drm_map_list_t *r_list; - drm_map_t *map; - - list_for_each(list, &dev->maplist->head) { - r_list = (drm_map_list_t *) list; - map = r_list->map; - if (!map) - continue; - if (map->offset <= offset - && (offset + size) <= (map->offset + map->size)) - return map; - } - return NULL; -} - static void *agp_remap(unsigned long offset, unsigned long size, drm_device_t * dev) { @@ -169,13 +147,6 @@ int drm_unbind_agp(DRM_AGP_MEM * handle) } #else /* __OS_HAS_AGP */ - -static inline drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - return NULL; -} - static inline void *agp_remap(unsigned long offset, unsigned long size, drm_device_t * dev) { @@ -184,57 +155,28 @@ static inline void *agp_remap(unsigned long offset, unsigned long size, #endif /* agp */ -void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev) -{ - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { - drm_map_t *map = drm_lookup_map(offset, size, dev); - - if (map && map->type == _DRM_AGP) - return agp_remap(offset, size, dev); - } - return ioremap(offset, size); -} -EXPORT_SYMBOL(drm_ioremap); +#endif /* debug_memory */ -#if 0 -void *drm_ioremap_nocache(unsigned long offset, - unsigned long size, drm_device_t * dev) +void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) { - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { - drm_map_t *map = drm_lookup_map(offset, size, dev); - - if (map && map->type == _DRM_AGP) - return agp_remap(offset, size, dev); - } - return ioremap_nocache(offset, size); + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + map->handle = agp_remap(map->offset, map->size, dev); + else + map->handle = ioremap(map->offset, map->size); } -#endif /* 0 */ +EXPORT_SYMBOL(drm_core_ioremap); -void drm_ioremapfree(void *pt, unsigned long size, - drm_device_t * dev) +void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) { - /* - * This is a bit ugly. It would be much cleaner if the DRM API would use separate - * routines for handling mappings in the AGP space. Hopefully this can be done in - * a future revision of the interface... - */ - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture - && ((unsigned long)pt >= VMALLOC_START - && (unsigned long)pt < VMALLOC_END)) { - unsigned long offset; - drm_map_t *map; - - offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK); - map = drm_lookup_map(offset, size, dev); - if (map && map->type == _DRM_AGP) { - vunmap(pt); - return; - } - } - - iounmap(pt); + if (!map->handle || !map->size) + return; + + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + vunmap(map->handle); + else + iounmap(map->handle); } -EXPORT_SYMBOL(drm_ioremapfree); +EXPORT_SYMBOL(drm_core_ioremapfree); -#endif /* debug_memory */ diff --git a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h index f1b97aff10c..63e425b5ea8 100644 --- a/drivers/char/drm/drm_memory.h +++ b/drivers/char/drm/drm_memory.h @@ -56,26 +56,6 @@ # endif #endif -static inline unsigned long drm_follow_page(void *vaddr) -{ - pgd_t *pgd = pgd_offset_k((unsigned long)vaddr); - pud_t *pud = pud_offset(pgd, (unsigned long)vaddr); - pmd_t *pmd = pmd_offset(pud, (unsigned long)vaddr); - pte_t *ptep = pte_offset_kernel(pmd, (unsigned long)vaddr); - return pte_pfn(*ptep) << PAGE_SHIFT; -} - #else /* __OS_HAS_AGP */ -static inline unsigned long drm_follow_page(void *vaddr) -{ - return 0; -} - #endif - -void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev); - -void drm_ioremapfree(void *pt, unsigned long size, - drm_device_t * dev); diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h index 74581af806e..6463271deea 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -205,76 +205,6 @@ void drm_free (void *pt, size_t size, int area) { } } -void *drm_ioremap (unsigned long offset, unsigned long size, - drm_device_t * dev) { - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap(offset, size, dev))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&drm_mem_lock); - return NULL; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&drm_mem_lock); - return pt; -} - -#if 0 -void *drm_ioremap_nocache (unsigned long offset, unsigned long size, - drm_device_t * dev) { - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap_nocache(offset, size, dev))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&drm_mem_lock); - return NULL; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&drm_mem_lock); - return pt; -} -#endif /* 0 */ - -void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) { - int alloc_count; - int free_count; - - if (!pt) - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Attempt to free NULL pointer\n"); - else - drm_ioremapfree(pt, size, dev); - - spin_lock(&drm_mem_lock); - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; - free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; - alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - spin_unlock(&drm_mem_lock); - if (free_count > alloc_count) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - #if __OS_HAS_AGP DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) { diff --git a/drivers/char/drm/drm_mm.c b/drivers/char/drm/drm_mm.c index 617526bd5b0..9b46b85027d 100644 --- a/drivers/char/drm/drm_mm.c +++ b/drivers/char/drm/drm_mm.c @@ -42,36 +42,131 @@ */ #include "drmP.h" +#include <linux/slab.h> + +unsigned long drm_mm_tail_space(drm_mm_t *mm) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) + return 0; + + return entry->size; +} + +int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) + return -ENOMEM; + + if (entry->size <= size) + return -ENOMEM; + + entry->size -= size; + return 0; +} + + +static int drm_mm_create_tail_node(drm_mm_t *mm, + unsigned long start, + unsigned long size) +{ + drm_mm_node_t *child; + + child = (drm_mm_node_t *) + drm_alloc(sizeof(*child), DRM_MEM_MM); + if (!child) + return -ENOMEM; + + child->free = 1; + child->size = size; + child->start = start; + child->mm = mm; + + list_add_tail(&child->ml_entry, &mm->ml_entry); + list_add_tail(&child->fl_entry, &mm->fl_entry); + + return 0; +} + + +int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) { + return drm_mm_create_tail_node(mm, entry->start + entry->size, size); + } + entry->size += size; + return 0; +} + +static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent, + unsigned long size) +{ + drm_mm_node_t *child; + + child = (drm_mm_node_t *) + drm_alloc(sizeof(*child), DRM_MEM_MM); + if (!child) + return NULL; + + INIT_LIST_HEAD(&child->fl_entry); + + child->free = 0; + child->size = size; + child->start = parent->start; + child->mm = parent->mm; + + list_add_tail(&child->ml_entry, &parent->ml_entry); + INIT_LIST_HEAD(&child->fl_entry); + + parent->size -= size; + parent->start += size; + return child; +} + + drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, unsigned long size, unsigned alignment) { + drm_mm_node_t *align_splitoff = NULL; drm_mm_node_t *child; + unsigned tmp = 0; if (alignment) - size += alignment - 1; + tmp = parent->start % alignment; + + if (tmp) { + align_splitoff = drm_mm_split_at_start(parent, alignment - tmp); + if (!align_splitoff) + return NULL; + } if (parent->size == size) { list_del_init(&parent->fl_entry); parent->free = 0; return parent; } else { - child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) - return NULL; - - INIT_LIST_HEAD(&child->ml_entry); - INIT_LIST_HEAD(&child->fl_entry); + child = drm_mm_split_at_start(parent, size); + } - child->free = 0; - child->size = size; - child->start = parent->start; + if (align_splitoff) + drm_mm_put_block(align_splitoff); - list_add_tail(&child->ml_entry, &parent->ml_entry); - parent->size -= size; - parent->start += size; - } return child; } @@ -80,12 +175,12 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, * Otherwise add to the free stack. */ -void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur) +void drm_mm_put_block(drm_mm_node_t * cur) { - drm_mm_node_t *list_root = &mm->root_node; + drm_mm_t *mm = cur->mm; struct list_head *cur_head = &cur->ml_entry; - struct list_head *root_head = &list_root->ml_entry; + struct list_head *root_head = &mm->ml_entry; drm_mm_node_t *prev_node = NULL; drm_mm_node_t *next_node; @@ -116,7 +211,7 @@ void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur) } if (!merged) { cur->free = 1; - list_add(&cur->fl_entry, &list_root->fl_entry); + list_add(&cur->fl_entry, &mm->fl_entry); } else { list_del(&cur->ml_entry); drm_free(cur, sizeof(*cur), DRM_MEM_MM); @@ -128,20 +223,30 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm, unsigned alignment, int best_match) { struct list_head *list; - const struct list_head *free_stack = &mm->root_node.fl_entry; + const struct list_head *free_stack = &mm->fl_entry; drm_mm_node_t *entry; drm_mm_node_t *best; unsigned long best_size; + unsigned wasted; best = NULL; best_size = ~0UL; - if (alignment) - size += alignment - 1; - list_for_each(list, free_stack) { entry = list_entry(list, drm_mm_node_t, fl_entry); - if (entry->size >= size) { + wasted = 0; + + if (entry->size < size) + continue; + + if (alignment) { + register unsigned tmp = entry->start % alignment; + if (tmp) + wasted += alignment - tmp; + } + + + if (entry->size >= size + wasted) { if (!best_match) return entry; if (size < best_size) { @@ -154,40 +259,32 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm, return best; } -int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size) +int drm_mm_clean(drm_mm_t * mm) { - drm_mm_node_t *child; - - INIT_LIST_HEAD(&mm->root_node.ml_entry); - INIT_LIST_HEAD(&mm->root_node.fl_entry); - child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) - return -ENOMEM; - - INIT_LIST_HEAD(&child->ml_entry); - INIT_LIST_HEAD(&child->fl_entry); + struct list_head *head = &mm->ml_entry; - child->start = start; - child->size = size; - child->free = 1; + return (head->next->next == head); +} - list_add(&child->fl_entry, &mm->root_node.fl_entry); - list_add(&child->ml_entry, &mm->root_node.ml_entry); +int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size) +{ + INIT_LIST_HEAD(&mm->ml_entry); + INIT_LIST_HEAD(&mm->fl_entry); - return 0; + return drm_mm_create_tail_node(mm, start, size); } EXPORT_SYMBOL(drm_mm_init); void drm_mm_takedown(drm_mm_t * mm) { - struct list_head *bnode = mm->root_node.fl_entry.next; + struct list_head *bnode = mm->fl_entry.next; drm_mm_node_t *entry; entry = list_entry(bnode, drm_mm_node_t, fl_entry); - if (entry->ml_entry.next != &mm->root_node.ml_entry || - entry->fl_entry.next != &mm->root_node.fl_entry) { + if (entry->ml_entry.next != &mm->ml_entry || + entry->fl_entry.next != &mm->fl_entry) { DRM_ERROR("Memory manager not clean. Delaying takedown\n"); return; } diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 09398d5fbd3..ad54b845978 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -226,12 +226,14 @@ {0x1106, 0x3022, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3118, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_PRO_GROUP_A}, \ {0x1106, 0x3122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3344, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ - {0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_DX9_0}, \ {0, 0, 0} #define i810_PCI_IDS \ diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 62d5fe15f04..7fd0da71214 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -500,7 +500,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, for (pt = dev->vmalist; pt; pt = pt->next) { if (!(vma = pt->vma)) continue; - DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", pt->pid, vma->vm_start, vma->vm_end, @@ -510,7 +510,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, vma->vm_flags & VM_MAYSHARE ? 's' : 'p', vma->vm_flags & VM_LOCKED ? 'l' : '-', vma->vm_flags & VM_IO ? 'i' : '-', - vma->vm_pgoff << PAGE_SHIFT); + vma->vm_pgoff); #if defined(__i386__) pgprot = pgprot_val(vma->vm_page_prot); diff --git a/drivers/char/drm/drm_sman.c b/drivers/char/drm/drm_sman.c index 19c81d2e13d..e15db6d6bea 100644 --- a/drivers/char/drm/drm_sman.c +++ b/drivers/char/drm/drm_sman.c @@ -101,10 +101,9 @@ static void *drm_sman_mm_allocate(void *private, unsigned long size, static void drm_sman_mm_free(void *private, void *ref) { - drm_mm_t *mm = (drm_mm_t *) private; drm_mm_node_t *node = (drm_mm_node_t *) ref; - drm_mm_put_block(mm, node); + drm_mm_put_block(node); } static void drm_sman_mm_destroy(void *private) diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index b9cfc077f6b..54a63284895 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -70,7 +70,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, if (!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error; - if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash)) + if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) goto vm_nopage_error; r_list = drm_hash_entry(hash, drm_map_list_t, hash); @@ -227,7 +227,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) map->size); DRM_DEBUG("mtrr_del = %d\n", retcode); } - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); break; case _DRM_SHM: vfree(map->handle); @@ -463,8 +463,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) lock_kernel(); dev = priv->head->dev; dma = dev->dma; - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT); + DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff); /* Length must match exact page count */ if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { @@ -537,8 +537,8 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) unsigned long offset = 0; drm_hash_item_t *hash; - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT); + DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff); if (!priv->authenticated) return -EACCES; @@ -547,7 +547,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) * the AGP mapped at physical address 0 * --BenH. */ - if (!(vma->vm_pgoff << PAGE_SHIFT) + if (!vma->vm_pgoff #if __OS_HAS_AGP && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE) @@ -555,7 +555,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) ) return drm_mmap_dma(filp, vma); - if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash)) { + if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) { DRM_ERROR("Could not find map\n"); return -EINVAL; } diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index fa2de70f740..60cb4e45a75 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -219,8 +219,7 @@ static int i810_dma_cleanup(drm_device_t * dev) (drm_i810_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *)dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_core_ioremapfree(&dev_priv->ring.map, dev); } if (dev_priv->hw_status_page) { pci_free_consistent(dev->pdev, PAGE_SIZE, @@ -236,9 +235,9 @@ static int i810_dma_cleanup(drm_device_t * dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[i]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; + if (buf_priv->kernel_virtual && buf->total) - drm_ioremapfree(buf_priv->kernel_virtual, - buf->total, dev); + drm_core_ioremapfree(&buf_priv->map, dev); } } return 0; @@ -311,8 +310,15 @@ static int i810_freelist_init(drm_device_t * dev, drm_i810_private_t * dev_priv) *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->map.offset = buf->bus_address; + buf_priv->map.size = buf->total; + buf_priv->map.type = _DRM_AGP; + buf_priv->map.flags = 0; + buf_priv->map.mtrr = 0; + + drm_core_ioremap(&buf_priv->map, dev); + buf_priv->kernel_virtual = buf_priv->map.handle; + } return 0; } @@ -363,18 +369,24 @@ static int i810_dma_initialize(drm_device_t * dev, dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.map.offset = dev->agp->base + init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = _DRM_AGP; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; - if (dev_priv->ring.virtual_start == NULL) { + drm_core_ioremap(&dev_priv->ring.map, dev); + + if (dev_priv->ring.map.handle == NULL) { dev->dev_private = (void *)dev_priv; i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return DRM_ERR(ENOMEM); } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h index e8cf3ff606f..e6df49f4928 100644 --- a/drivers/char/drm/i810_drv.h +++ b/drivers/char/drm/i810_drv.h @@ -61,6 +61,7 @@ typedef struct drm_i810_buf_priv { int currently_mapped; void *virtual; void *kernel_virtual; + drm_local_map_t map; } drm_i810_buf_priv_t; typedef struct _drm_i810_ring_buffer { @@ -72,6 +73,7 @@ typedef struct _drm_i810_ring_buffer { int head; int tail; int space; + drm_local_map_t map; } drm_i810_ring_buffer_t; typedef struct drm_i810_private { diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c index 4f0e5746ab3..95224455ec0 100644 --- a/drivers/char/drm/i830_dma.c +++ b/drivers/char/drm/i830_dma.c @@ -223,8 +223,7 @@ static int i830_dma_cleanup(drm_device_t * dev) (drm_i830_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *)dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_core_ioremapfree(&dev_priv->ring.map, dev); } if (dev_priv->hw_status_page) { pci_free_consistent(dev->pdev, PAGE_SIZE, @@ -242,8 +241,7 @@ static int i830_dma_cleanup(drm_device_t * dev) drm_buf_t *buf = dma->buflist[i]; drm_i830_buf_priv_t *buf_priv = buf->dev_private; if (buf_priv->kernel_virtual && buf->total) - drm_ioremapfree(buf_priv->kernel_virtual, - buf->total, dev); + drm_core_ioremapfree(&buf_priv->map, dev); } } return 0; @@ -320,8 +318,14 @@ static int i830_freelist_init(drm_device_t * dev, drm_i830_private_t * dev_priv) *buf_priv->in_use = I830_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->map.offset = buf->bus_address; + buf_priv->map.size = buf->total; + buf_priv->map.type = _DRM_AGP; + buf_priv->map.flags = 0; + buf_priv->map.mtrr = 0; + + drm_core_ioremap(&buf_priv->map, dev); + buf_priv->kernel_virtual = buf_priv->map.handle; } return 0; } @@ -373,18 +377,24 @@ static int i830_dma_initialize(drm_device_t * dev, dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.map.offset = dev->agp->base + init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = _DRM_AGP; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; + + drm_core_ioremap(&dev_priv->ring.map, dev); - if (dev_priv->ring.virtual_start == NULL) { + if (dev_priv->ring.map.handle == NULL) { dev->dev_private = (void *)dev_priv; i830_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return DRM_ERR(ENOMEM); } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h index 85bc5be6f91..e91f94afb4b 100644 --- a/drivers/char/drm/i830_drv.h +++ b/drivers/char/drm/i830_drv.h @@ -68,6 +68,7 @@ typedef struct drm_i830_buf_priv { int currently_mapped; void __user *virtual; void *kernel_virtual; + drm_local_map_t map; } drm_i830_buf_priv_t; typedef struct _drm_i830_ring_buffer { @@ -79,6 +80,7 @@ typedef struct _drm_i830_ring_buffer { int head; int tail; int space; + drm_local_map_t map; } drm_i830_ring_buffer_t; typedef struct drm_i830_private { diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index a691ae74129..c0539c6299c 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -190,6 +190,11 @@ static int via_initialize(drm_device_t * dev, return DRM_ERR(EFAULT); } + if (dev_priv->chipset == VIA_DX9_0) { + DRM_ERROR("AGP DMA is not supported on this chip\n"); + return DRM_ERR(EINVAL); + } + dev_priv->ring.map.offset = dev->agp->base + init->offset; dev_priv->ring.map.size = init->size; dev_priv->ring.map.type = 0; @@ -480,6 +485,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv, VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16)); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); + VIA_READ(VIA_REG_TRANSPACE); } } return paused; @@ -557,8 +563,9 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv) VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); - + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK); + VIA_READ(VIA_REG_TRANSPACE); } static void via_pad_cache(drm_via_private_t * dev_priv, int qwords) diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 806f9ce5f47..2054d577371 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -218,7 +218,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine) VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE); VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS); + VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04); } /* diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h index d21b5b75da0..8b8778d4a42 100644 --- a/drivers/char/drm/via_drv.h +++ b/drivers/char/drm/via_drv.h @@ -29,10 +29,10 @@ #define DRIVER_NAME "via" #define DRIVER_DESC "VIA Unichrome / Pro" -#define DRIVER_DATE "20060529" +#define DRIVER_DATE "20061227" #define DRIVER_MAJOR 2 -#define DRIVER_MINOR 10 +#define DRIVER_MINOR 11 #define DRIVER_PATCHLEVEL 0 #include "via_verifier.h" @@ -79,7 +79,7 @@ typedef struct drm_via_private { char pci_buf[VIA_PCI_BUF_SIZE]; const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; uint32_t num_fire_offsets; - int pro_group_a; + int chipset; drm_via_irq_t via_irqs[VIA_NUM_IRQS]; unsigned num_irqs; maskarray_t *irq_masks; @@ -96,8 +96,9 @@ typedef struct drm_via_private { } drm_via_private_t; enum via_family { - VIA_OTHER = 0, - VIA_PRO_GROUP_A, + VIA_OTHER = 0, /* Baseline */ + VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ + VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ }; /* VIA MMIO register access */ diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index c33d068cde1..1ac5941ad23 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -258,12 +258,16 @@ void via_driver_irq_preinstall(drm_device_t * dev) dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE; dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; - dev_priv->irq_masks = (dev_priv->pro_group_a) ? - via_pro_group_a_irqs : via_unichrome_irqs; - dev_priv->num_irqs = (dev_priv->pro_group_a) ? - via_num_pro_group_a : via_num_unichrome; - dev_priv->irq_map = (dev_priv->pro_group_a) ? - via_irqmap_pro_group_a : via_irqmap_unichrome; + if (dev_priv->chipset == VIA_PRO_GROUP_A || + dev_priv->chipset == VIA_DX9_0) { + dev_priv->irq_masks = via_pro_group_a_irqs; + dev_priv->num_irqs = via_num_pro_group_a; + dev_priv->irq_map = via_irqmap_pro_group_a; + } else { + dev_priv->irq_masks = via_unichrome_irqs; + dev_priv->num_irqs = via_num_unichrome; + dev_priv->irq_map = via_irqmap_unichrome; + } for (i = 0; i < dev_priv->num_irqs; ++i) { atomic_set(&cur_irq->irq_received, 0); diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c index 782011e0a58..4e3fc072aa3 100644 --- a/drivers/char/drm/via_map.c +++ b/drivers/char/drm/via_map.c @@ -106,8 +106,7 @@ int via_driver_load(drm_device_t *dev, unsigned long chipset) dev->dev_private = (void *)dev_priv; - if (chipset == VIA_PRO_GROUP_A) - dev_priv->pro_group_a = 1; + dev_priv->chipset = chipset; ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); if (ret) { diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c index 70c897c8876..2e7e0807828 100644 --- a/drivers/char/drm/via_verifier.c +++ b/drivers/char/drm/via_verifier.c @@ -306,6 +306,7 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) unsigned long lo = ~0, hi = 0, tmp; uint32_t *addr, *pitch, *height, tex; unsigned i; + int npot; if (end > 9) end = 9; @@ -316,12 +317,15 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) &(cur_seq->t_addr[tex = cur_seq->texture][start]); pitch = &(cur_seq->pitch[tex][start]); height = &(cur_seq->height[tex][start]); - + npot = cur_seq->tex_npot[tex]; for (i = start; i <= end; ++i) { tmp = *addr++; if (tmp < lo) lo = tmp; - tmp += (*height++ << *pitch++); + if (i == 0 && npot) + tmp += (*height++ * *pitch++); + else + tmp += (*height++ << *pitch++); if (tmp > hi) hi = tmp; } @@ -443,13 +447,21 @@ investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq) return 0; case check_texture_addr3: cur_seq->unfinished = tex_address; - tmp = ((cmd >> 24) - 0x2B); - cur_seq->pitch[cur_seq->texture][tmp] = - (cmd & 0x00F00000) >> 20; - if (!tmp && (cmd & 0x000FFFFF)) { - DRM_ERROR - ("Unimplemented texture level 0 pitch mode.\n"); - return 2; + tmp = ((cmd >> 24) - HC_SubA_HTXnL0Pit); + if (tmp == 0 && + (cmd & HC_HTXnEnPit_MASK)) { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPit_MASK); + cur_seq->tex_npot[cur_seq->texture] = 1; + } else { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPitE_MASK) >> HC_HTXnLnPitE_SHIFT; + cur_seq->tex_npot[cur_seq->texture] = 0; + if (cmd & 0x000FFFFF) { + DRM_ERROR + ("Unimplemented texture level 0 pitch mode.\n"); + return 2; + } } return 0; case check_texture_addr4: @@ -961,7 +973,13 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, uint32_t cmd; const uint32_t *buf_end = buf + (size >> 2); verifier_state_t state = state_command; - int pro_group_a = dev_priv->pro_group_a; + int cme_video; + int supported_3d; + + cme_video = (dev_priv->chipset == VIA_PRO_GROUP_A || + dev_priv->chipset == VIA_DX9_0); + + supported_3d = dev_priv->chipset != VIA_DX9_0; hc_state->dev = dev; hc_state->unfinished = no_sequence; @@ -986,17 +1004,21 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, state = via_check_vheader6(&buf, buf_end); break; case state_command: - if (HALCYON_HEADER2 == (cmd = *buf)) + if ((HALCYON_HEADER2 == (cmd = *buf)) && + supported_3d) state = state_header2; else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) state = state_header1; - else if (pro_group_a + else if (cme_video && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5) state = state_vheader5; - else if (pro_group_a + else if (cme_video && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6) state = state_vheader6; - else { + else if ((cmd == HALCYON_HEADER2) && !supported_3d) { + DRM_ERROR("Accelerated 3D is not supported on this chipset yet.\n"); + state = state_error; + } else { DRM_ERROR ("Invalid / Unimplemented DMA HEADER command. 0x%x\n", cmd); diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h index 256590fcc22..b77f59df027 100644 --- a/drivers/char/drm/via_verifier.h +++ b/drivers/char/drm/via_verifier.h @@ -43,6 +43,7 @@ typedef struct { uint32_t tex_level_lo[2]; uint32_t tex_level_hi[2]; uint32_t tex_palette_size[2]; + uint32_t tex_npot[2]; drm_via_sequence_t unfinished; int agp_texture; int multitex; diff --git a/drivers/char/hvc_beat.c b/drivers/char/hvc_beat.c new file mode 100644 index 00000000000..6f019f19be7 --- /dev/null +++ b/drivers/char/hvc_beat.c @@ -0,0 +1,134 @@ +/* + * Beat hypervisor console driver + * + * (C) Copyright 2006 TOSHIBA CORPORATION + * + * This code is based on drivers/char/hvc_rtas.c: + * (C) Copyright IBM Corporation 2001-2005 + * (C) Copyright Red Hat, Inc. 2005 + * + * 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 of the License, 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/console.h> +#include <asm/prom.h> +#include <asm/hvconsole.h> +#include <asm/firmware.h> + +#include "hvc_console.h" + +extern int64_t beat_get_term_char(uint64_t, uint64_t *, uint64_t *, uint64_t *); +extern int64_t beat_put_term_char(uint64_t, uint64_t, uint64_t, uint64_t); + +struct hvc_struct *hvc_beat_dev = NULL; + +/* bug: only one queue is available regardless of vtermno */ +static int hvc_beat_get_chars(uint32_t vtermno, char *buf, int cnt) +{ + static unsigned char q[sizeof(unsigned long) * 2] + __attribute__((aligned(sizeof(unsigned long)))); + static int qlen = 0; + unsigned long got; + +again: + if (qlen) { + if (qlen > cnt) { + memcpy(buf, q, cnt); + qlen -= cnt; + memmove(q + cnt, q, qlen); + return cnt; + } else { /* qlen <= cnt */ + int r; + + memcpy(buf, q, qlen); + r = qlen; + qlen = 0; + return r; + } + } + if (beat_get_term_char(vtermno, &got, + ((unsigned long *)q), ((unsigned long *)q) + 1) == 0) { + qlen = got; + goto again; + } + return 0; +} + +static int hvc_beat_put_chars(uint32_t vtermno, const char *buf, int cnt) +{ + unsigned long kb[2]; + int rest, nlen; + + for (rest = cnt; rest > 0; rest -= nlen) { + nlen = (rest > 16) ? 16 : rest; + memcpy(kb, buf, nlen); + beat_put_term_char(vtermno, rest, kb[0], kb[1]); + rest -= nlen; + } + return cnt; +} + +static struct hv_ops hvc_beat_get_put_ops = { + .get_chars = hvc_beat_get_chars, + .put_chars = hvc_beat_put_chars, +}; + +static int hvc_beat_useit = 1; + +static int hvc_beat_config(char *p) +{ + hvc_beat_useit = simple_strtoul(p, NULL, 0); + return 0; +} + +static int hvc_beat_console_init(void) +{ + if (hvc_beat_useit && machine_is_compatible("Beat")) { + hvc_instantiate(0, 0, &hvc_beat_get_put_ops); + } + return 0; +} + +/* temp */ +static int hvc_beat_init(void) +{ + struct hvc_struct *hp; + + if (!firmware_has_feature(FW_FEATURE_BEAT)) + return -ENODEV; + + hp = hvc_alloc(0, NO_IRQ, &hvc_beat_get_put_ops, 16); + if (IS_ERR(hp)) + return PTR_ERR(hp); + hvc_beat_dev = hp; + return 0; +} + +static void __exit hvc_beat_exit(void) +{ + if (hvc_beat_dev) + hvc_remove(hvc_beat_dev); +} + +module_init(hvc_beat_init); +module_exit(hvc_beat_exit); + +__setup("hvc_beat=", hvc_beat_config); + +console_initcall(hvc_beat_console_init); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index f1afd26a509..a7b33d2f599 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1802,7 +1802,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) return -ENODEV; } - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) addr_space = IPMI_MEM_ADDR_SPACE; else addr_space = IPMI_IO_ADDR_SPACE; @@ -1848,19 +1848,19 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) info->irq_setup = NULL; } - if (spmi->addr.register_bit_width) { + if (spmi->addr.bit_width) { /* A (hopefully) properly formed register bit width. */ - info->io.regspacing = spmi->addr.register_bit_width / 8; + info->io.regspacing = spmi->addr.bit_width / 8; } else { info->io.regspacing = DEFAULT_REGSPACING; } info->io.regsize = info->io.regspacing; - info->io.regshift = spmi->addr.register_bit_offset; + info->io.regshift = spmi->addr.bit_offset; - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { info->io_setup = mem_setup; info->io.addr_type = IPMI_IO_ADDR_SPACE; - } else if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + } else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) { info->io_setup = port_setup; info->io.addr_type = IPMI_MEM_ADDR_SPACE; } else { @@ -1888,10 +1888,8 @@ static __devinit void acpi_find_bmc(void) return; for (i = 0; ; i++) { - status = acpi_get_firmware_table("SPMI", i+1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &spmi); + status = acpi_get_table(ACPI_SIG_SPMI, i+1, + (struct acpi_table_header **)&spmi); if (status != AE_OK) return; diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 13935235e06..7fd3cd5ddf2 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -215,7 +215,7 @@ static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty) } static struct sysrq_key_op sysrq_showstate_blocked_op = { .handler = sysrq_handle_showstate_blocked, - .help_msg = "showBlockedTasks", + .help_msg = "shoW-blocked-tasks", .action_msg = "Show Blocked State", .enable_mask = SYSRQ_ENABLE_DUMP, }; @@ -315,15 +315,16 @@ static struct sysrq_key_op *sysrq_key_table[36] = { &sysrq_loglevel_op, /* 9 */ /* - * Don't use for system provided sysrqs, it is handled specially on - * sparc and will never arrive + * a: Don't use for system provided sysrqs, it is handled specially on + * sparc and will never arrive. */ NULL, /* a */ &sysrq_reboot_op, /* b */ - &sysrq_crashdump_op, /* c */ + &sysrq_crashdump_op, /* c & ibm_emac driver debug */ &sysrq_showlocks_op, /* d */ &sysrq_term_op, /* e */ &sysrq_moom_op, /* f */ + /* g: May be registered by ppc for kgdb */ NULL, /* g */ NULL, /* h */ &sysrq_kill_op, /* i */ @@ -332,18 +333,19 @@ static struct sysrq_key_op *sysrq_key_table[36] = { NULL, /* l */ &sysrq_showmem_op, /* m */ &sysrq_unrt_op, /* n */ - /* This will often be registered as 'Off' at init time */ + /* o: This will often be registered as 'Off' at init time */ NULL, /* o */ &sysrq_showregs_op, /* p */ NULL, /* q */ - &sysrq_unraw_op, /* r */ + &sysrq_unraw_op, /* r */ &sysrq_sync_op, /* s */ &sysrq_showstate_op, /* t */ &sysrq_mountro_op, /* u */ - /* May be assigned at init time by SMP VOYAGER */ + /* v: May be registered at init time by SMP VOYAGER */ NULL, /* v */ - NULL, /* w */ - &sysrq_showstate_blocked_op, /* x */ + &sysrq_showstate_blocked_op, /* w */ + /* x: May be registered on ppc/powerpc for xmon */ + NULL, /* x */ NULL, /* y */ NULL /* z */ }; diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index a611972024e..7fca5f470be 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -372,10 +372,8 @@ static int read_log(struct tpm_bios_log *log) } /* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */ - status = acpi_get_firmware_table(ACPI_TCPA_SIG, 1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &buff); + status = acpi_get_table(ACPI_SIG_TCPA, 1, + (struct acpi_table_header **)&buff); if (ACPI_FAILURE(status)) { printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", @@ -409,7 +407,7 @@ static int read_log(struct tpm_bios_log *log) log->bios_event_log_end = log->bios_event_log + len; - acpi_os_map_memory(start, len, (void *) &virt); + virt = acpi_os_map_memory(start, len); memcpy(log->bios_event_log, virt, len); diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c index 488902231cc..0e23f29f71a 100644 --- a/drivers/char/watchdog/booke_wdt.c +++ b/drivers/char/watchdog/booke_wdt.c @@ -35,7 +35,7 @@ #ifdef CONFIG_FSL_BOOKE #define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz , reset=~40sec */ #else -#define WDT_PERIOD_DEFAULT 4 /* Refer to the PPC40x and PPC4xx manuals */ +#define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */ #endif /* for timing information */ u32 booke_wdt_enabled = 0; @@ -48,12 +48,22 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #endif /* + * booke_wdt_ping: + */ +static __inline__ void booke_wdt_ping(void) +{ + mtspr(SPRN_TSR, TSR_ENW|TSR_WIS); +} + +/* * booke_wdt_enable: */ static __inline__ void booke_wdt_enable(void) { u32 val; + /* clear status before enabling watchdog */ + booke_wdt_ping(); val = mfspr(SPRN_TCR); val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); @@ -61,14 +71,6 @@ static __inline__ void booke_wdt_enable(void) } /* - * booke_wdt_ping: - */ -static __inline__ void booke_wdt_ping(void) -{ - mtspr(SPRN_TSR, TSR_ENW|TSR_WIS); -} - -/* * booke_wdt_write: */ static ssize_t booke_wdt_write (struct file *file, const char __user *buf, diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c index 276577d08fb..4d730fdbd52 100644 --- a/drivers/char/watchdog/machzwd.c +++ b/drivers/char/watchdog/machzwd.c @@ -325,7 +325,7 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, return put_user(0, p); case WDIOC_KEEPALIVE: - zf_ping(0); + zf_ping(NULL); break; default: |