#include <linux/spinlock.h>
#include <linux/pm.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/device.h>
static void pmu_start(void);
static irqreturn_t via_pmu_interrupt(int irq, void *arg);
static irqreturn_t gpio1_interrupt(int irq, void *arg);
-static int proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data);
+static const struct file_operations pmu_info_proc_fops;
+static const struct file_operations pmu_irqstats_proc_fops;
static void pmu_pass_intr(unsigned char *data, int len);
-static int proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
+static const struct file_operations pmu_battery_proc_fops;
+static const struct file_operations pmu_options_proc_fops;
#ifdef CONFIG_ADB
struct adb_driver via_pmu_driver = {
printk(KERN_ERR "via-pmu: can't map interrupt\n");
return -ENODEV;
}
- if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
+ /* We set IRQF_TIMER because we don't want the interrupt to be disabled
+ * between the 2 passes of driver suspend, we control our own disabling
+ * for that one
+ */
+ if (request_irq(irq, via_pmu_interrupt, IRQF_TIMER, "VIA-PMU", (void *)0)) {
printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
return -ENODEV;
}
gpio_irq = irq_of_parse_and_map(gpio_node, 0);
if (gpio_irq != NO_IRQ) {
- if (request_irq(gpio_irq, gpio1_interrupt, 0,
+ if (request_irq(gpio_irq, gpio1_interrupt, IRQF_TIMER,
"GPIO1 ADB", (void *)0))
printk(KERN_ERR "pmu: can't get irq %d"
" (GPIO1)\n", gpio_irq);
for (i=0; i<pmu_battery_count; i++) {
char title[16];
sprintf(title, "battery_%ld", i);
- proc_pmu_batt[i] = create_proc_read_entry(title, 0, proc_pmu_root,
- proc_get_batt, (void *)i);
+ proc_pmu_batt[i] = proc_create_data(title, 0, proc_pmu_root,
+ &pmu_battery_proc_fops, (void *)i);
}
- proc_pmu_info = create_proc_read_entry("info", 0, proc_pmu_root,
- proc_get_info, NULL);
- proc_pmu_irqstats = create_proc_read_entry("interrupts", 0, proc_pmu_root,
- proc_get_irqstats, NULL);
- proc_pmu_options = create_proc_entry("options", 0600, proc_pmu_root);
- if (proc_pmu_options) {
- proc_pmu_options->read_proc = proc_read_options;
- proc_pmu_options->write_proc = proc_write_options;
- }
+ proc_pmu_info = proc_create("info", 0, proc_pmu_root, &pmu_info_proc_fops);
+ proc_pmu_irqstats = proc_create("interrupts", 0, proc_pmu_root,
+ &pmu_irqstats_proc_fops);
+ proc_pmu_options = proc_create("options", 0600, proc_pmu_root,
+ &pmu_options_proc_fops);
}
return 0;
}
2, PMU_SMART_BATTERY_STATE, pmu_cur_battery+1);
}
-static int
-proc_get_info(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_info_proc_show(struct seq_file *m, void *v)
{
- char* p = page;
-
- p += sprintf(p, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
- p += sprintf(p, "PMU firmware version : %02x\n", pmu_version);
- p += sprintf(p, "AC Power : %d\n",
+ seq_printf(m, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
+ seq_printf(m, "PMU firmware version : %02x\n", pmu_version);
+ seq_printf(m, "AC Power : %d\n",
((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0) || pmu_battery_count == 0);
- p += sprintf(p, "Battery count : %d\n", pmu_battery_count);
+ seq_printf(m, "Battery count : %d\n", pmu_battery_count);
- return p - page;
+ return 0;
}
-static int
-proc_get_irqstats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_info_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_info_proc_show, NULL);
+}
+
+static const struct file_operations pmu_info_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_info_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_irqstats_proc_show(struct seq_file *m, void *v)
{
int i;
- char* p = page;
static const char *irq_names[] = {
"Total CB1 triggered events",
"Total GPIO1 triggered events",
};
for (i=0; i<11; i++) {
- p += sprintf(p, " %2u: %10u (%s)\n",
+ seq_printf(m, " %2u: %10u (%s)\n",
i, pmu_irq_stats[i], irq_names[i]);
}
- return p - page;
+ return 0;
}
-static int
-proc_get_batt(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_irqstats_proc_open(struct inode *inode, struct file *file)
{
- long batnum = (long)data;
- char *p = page;
+ return single_open(file, pmu_irqstats_proc_show, NULL);
+}
+
+static const struct file_operations pmu_irqstats_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_irqstats_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int pmu_battery_proc_show(struct seq_file *m, void *v)
+{
+ long batnum = (long)m->private;
- p += sprintf(p, "\n");
- p += sprintf(p, "flags : %08x\n",
- pmu_batteries[batnum].flags);
- p += sprintf(p, "charge : %d\n",
- pmu_batteries[batnum].charge);
- p += sprintf(p, "max_charge : %d\n",
- pmu_batteries[batnum].max_charge);
- p += sprintf(p, "current : %d\n",
- pmu_batteries[batnum].amperage);
- p += sprintf(p, "voltage : %d\n",
- pmu_batteries[batnum].voltage);
- p += sprintf(p, "time rem. : %d\n",
- pmu_batteries[batnum].time_remaining);
-
- return p - page;
+ seq_putc(m, '\n');
+ seq_printf(m, "flags : %08x\n", pmu_batteries[batnum].flags);
+ seq_printf(m, "charge : %d\n", pmu_batteries[batnum].charge);
+ seq_printf(m, "max_charge : %d\n", pmu_batteries[batnum].max_charge);
+ seq_printf(m, "current : %d\n", pmu_batteries[batnum].amperage);
+ seq_printf(m, "voltage : %d\n", pmu_batteries[batnum].voltage);
+ seq_printf(m, "time rem. : %d\n", pmu_batteries[batnum].time_remaining);
+ return 0;
}
-static int
-proc_read_options(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int pmu_battery_proc_open(struct inode *inode, struct file *file)
{
- char *p = page;
+ return single_open(file, pmu_battery_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations pmu_battery_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_battery_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+static int pmu_options_proc_show(struct seq_file *m, void *v)
+{
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
if (pmu_kind == PMU_KEYLARGO_BASED &&
pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
- p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup);
+ seq_printf(m, "lid_wakeup=%d\n", option_lid_wakeup);
#endif
if (pmu_kind == PMU_KEYLARGO_BASED)
- p += sprintf(p, "server_mode=%d\n", option_server_mode);
+ seq_printf(m, "server_mode=%d\n", option_server_mode);
- return p - page;
+ return 0;
}
-
-static int
-proc_write_options(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+
+static int pmu_options_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pmu_options_proc_show, NULL);
+}
+
+static ssize_t pmu_options_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
{
char tmp[33];
char *label, *val;
- unsigned long fcount = count;
+ size_t fcount = count;
if (!count)
return -EINVAL;
return fcount;
}
+static const struct file_operations pmu_options_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pmu_options_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pmu_options_proc_write,
+};
+
#ifdef CONFIG_ADB
/* Send an ADB command */
-static int
-pmu_send_request(struct adb_request *req, int sync)
+static int pmu_send_request(struct adb_request *req, int sync)
{
int i, ret;
}
/* Enable/disable autopolling */
-static int
-pmu_adb_autopoll(int devs)
+static int __pmu_adb_autopoll(int devs)
{
struct adb_request req;
- if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
- return -ENXIO;
-
if (devs) {
- adb_dev_map = devs;
pmu_request(&req, NULL, 5, PMU_ADB_CMD, 0, 0x86,
adb_dev_map >> 8, adb_dev_map);
pmu_adb_flags = 2;
return 0;
}
+static int pmu_adb_autopoll(int devs)
+{
+ if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb)
+ return -ENXIO;
+
+ adb_dev_map = devs;
+ return __pmu_adb_autopoll(devs);
+}
+
/* Reset the ADB bus */
-static int
-pmu_adb_reset_bus(void)
+static int pmu_adb_reset_bus(void)
{
struct adb_request req;
int save_autopoll = adb_dev_map;
return -ENXIO;
/* anyone got a better idea?? */
- pmu_adb_autopoll(0);
+ __pmu_adb_autopoll(0);
- req.nbytes = 5;
+ req.nbytes = 4;
req.done = NULL;
req.data[0] = PMU_ADB_CMD;
- req.data[1] = 0;
- req.data[2] = ADB_BUSRESET;
+ req.data[1] = ADB_BUSRESET;
+ req.data[2] = 0;
req.data[3] = 0;
req.data[4] = 0;
req.reply_len = 0;
pmu_wait_complete(&req);
if (save_autopoll != 0)
- pmu_adb_autopoll(save_autopoll);
+ __pmu_adb_autopoll(save_autopoll);
return 0;
}
_set_L2CR(save_l2cr);
/* Restore userland MMU context */
- set_context(current->active_mm->context.id, current->active_mm->pgd);
+ switch_mmu_context(NULL, current->active_mm);
/* Power things up */
pmu_unlock();
_set_L3CR(save_l3cr);
/* Restore userland MMU context */
- set_context(current->active_mm->context.id, current->active_mm->pgd);
+ switch_mmu_context(NULL, current->active_mm);
/* Tell PMU we are ready */
pmu_unlock();
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff