#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/sysdev.h>
#include <linux/suspend.h>
#include <linux/syscalls.h>
+#include <linux/cpu.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/sections.h>
#include <asm/irq.h>
#include <asm/pmac_feature.h>
+#include <asm/pmac_pfunc.h>
+#include <asm/pmac_low_i2c.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/cputable.h>
#include <asm/backlight.h>
#endif
+#ifdef CONFIG_PPC32
+#include <asm/open_pic.h>
+#endif
+
/* Some compile options */
#undef SUSPEND_USES_PMU
#define DEBUG_SLEEP
/* How many iterations between battery polls */
#define BATTERY_POLLING_COUNT 2
-static volatile unsigned char *via;
+static volatile unsigned char __iomem *via;
/* VIA registers - spaced 0x200 bytes apart */
#define RS 0x200 /* skip between registers */
static int pmu_kind = PMU_UNKNOWN;
static int pmu_fully_inited = 0;
static int pmu_has_adb;
-static unsigned char *gpio_reg = NULL;
+static struct device_node *gpio_node;
+static unsigned char __iomem *gpio_reg = NULL;
static int gpio_irq = -1;
static int gpio_irq_enabled = -1;
static volatile int pmu_suspended = 0;
static u8 pmu_intr_mask;
static int pmu_version;
static int drop_interrupts;
-#ifdef CONFIG_PMAC_PBOOK
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
static int option_lid_wakeup = 1;
+#endif /* CONFIG_PM && CONFIG_PPC32 */
+#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT)
static int sleep_in_progress;
-static int can_sleep;
+#endif
static unsigned long async_req_locks;
-#endif /* CONFIG_PMAC_PBOOK */
static unsigned int pmu_irq_stats[11];
static struct proc_dir_entry *proc_pmu_root;
static struct proc_dir_entry *proc_pmu_options;
static int option_server_mode;
-#ifdef CONFIG_PMAC_PBOOK
int pmu_battery_count;
int pmu_cur_battery;
unsigned int pmu_power_flags;
static int query_batt_timer = BATTERY_POLLING_COUNT;
static struct adb_request batt_req;
static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES];
-#endif /* CONFIG_PMAC_PBOOK */
#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
extern int disable_kernel_backlight;
int __fake_sleep;
int asleep;
-struct notifier_block *sleep_notifier_list;
+BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
#ifdef CONFIG_ADB
static int adb_dev_map = 0;
#endif /* CONFIG_ADB */
static int init_pmu(void);
-static int pmu_queue_request(struct adb_request *req);
static void pmu_start(void);
static irqreturn_t via_pmu_interrupt(int irq, void *arg, struct pt_regs *regs);
static irqreturn_t gpio1_interrupt(int irq, void *arg, struct pt_regs *regs);
static int pmu_set_backlight_level(int level, void* data);
static int pmu_set_backlight_enable(int on, int level, void* data);
#endif /* CONFIG_PMAC_BACKLIGHT */
-#ifdef CONFIG_PMAC_PBOOK
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);
-#endif /* CONFIG_PMAC_PBOOK */
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,
* - the number of response bytes which the PMU will return, or
* -1 if it will send a length byte.
*/
-static const s8 pmu_data_len[256][2] __openfirmwaredata = {
+static const s8 pmu_data_len[256][2] = {
/* 0 1 2 3 4 5 6 7 */
/*00*/ {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},
/*08*/ {-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},
};
#endif /* CONFIG_PMAC_BACKLIGHT */
-int __openfirmware
-find_via_pmu(void)
+int __init find_via_pmu(void)
{
+ u64 taddr;
+ u32 *reg;
+
if (via != 0)
return 1;
- vias = find_devices("via-pmu");
- if (vias == 0)
+ vias = of_find_node_by_name(NULL, "via-pmu");
+ if (vias == NULL)
return 0;
- if (vias->next != 0)
- printk(KERN_WARNING "Warning: only using 1st via-pmu\n");
- if (vias->n_addrs < 1 || vias->n_intrs < 1) {
- printk(KERN_ERR "via-pmu: %d addresses, %d interrupts!\n",
- vias->n_addrs, vias->n_intrs);
- if (vias->n_addrs < 1 || vias->n_intrs < 1)
- return 0;
+ reg = (u32 *)get_property(vias, "reg", NULL);
+ if (reg == NULL) {
+ printk(KERN_ERR "via-pmu: No \"reg\" property !\n");
+ goto fail;
+ }
+ taddr = of_translate_address(vias, reg);
+ if (taddr == OF_BAD_ADDR) {
+ printk(KERN_ERR "via-pmu: Can't translate address !\n");
+ goto fail;
}
spin_lock_init(&pmu_lock);
pmu_kind = PMU_HEATHROW_BASED;
else if (device_is_compatible(vias->parent, "Keylargo")
|| device_is_compatible(vias->parent, "K2-Keylargo")) {
- struct device_node *gpio, *gpiop;
+ struct device_node *gpiop;
+ u64 gaddr = OF_BAD_ADDR;
pmu_kind = PMU_KEYLARGO_BASED;
pmu_has_adb = (find_type_devices("adb") != NULL);
PMU_INT_TICK |
PMU_INT_ENVIRONMENT;
- gpiop = find_devices("gpio");
- if (gpiop && gpiop->n_addrs) {
- gpio_reg = ioremap(gpiop->addrs->address, 0x10);
- gpio = find_devices("extint-gpio1");
- if (gpio == NULL)
- gpio = find_devices("pmu-interrupt");
- if (gpio && gpio->parent == gpiop && gpio->n_intrs)
- gpio_irq = gpio->intrs[0].line;
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (gpiop) {
+ reg = (u32 *)get_property(gpiop, "reg", NULL);
+ if (reg)
+ gaddr = of_translate_address(gpiop, reg);
+ if (gaddr != OF_BAD_ADDR)
+ gpio_reg = ioremap(gaddr, 0x10);
}
+ if (gpio_reg == NULL)
+ printk(KERN_ERR "via-pmu: Can't find GPIO reg !\n");
} else
pmu_kind = PMU_UNKNOWN;
- via = (volatile unsigned char *) ioremap(vias->addrs->address, 0x2000);
+ via = ioremap(taddr, 0x2000);
+ if (via == NULL) {
+ printk(KERN_ERR "via-pmu: Can't map address !\n");
+ goto fail;
+ }
out_8(&via[IER], IER_CLR | 0x7f); /* disable all intrs */
out_8(&via[IFR], 0x7f); /* clear IFR */
return 0;
}
- printk(KERN_INFO "PMU driver %d initialized for %s, firmware: %02x\n",
+ printk(KERN_INFO "PMU driver v%d initialized for %s, firmware: %02x\n",
PMU_DRIVER_VERSION, pbook_type[pmu_kind], pmu_version);
-#ifndef CONFIG_PPC64
sys_ctrler = SYS_CTRLER_PMU;
-#endif
return 1;
+ fail:
+ of_node_put(vias);
+ vias = NULL;
+ return 0;
}
#ifdef CONFIG_ADB
-static int __openfirmware
-pmu_probe(void)
+static int pmu_probe(void)
{
return vias == NULL? -ENODEV: 0;
}
-static int __init
-pmu_init(void)
+static int __init pmu_init(void)
{
if (vias == NULL)
return -ENODEV;
bright_req_1.complete = 1;
bright_req_2.complete = 1;
-#ifdef CONFIG_PMAC_PBOOK
batt_req.complete = 1;
- if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
- can_sleep = 1;
+
+#ifndef CONFIG_PPC_MERGE
+ if (pmu_kind == PMU_KEYLARGO_BASED)
+ openpic_set_irq_priority(vias->intrs[0].line,
+ OPENPIC_PRIORITY_DEFAULT + 1);
#endif
if (request_irq(vias->intrs[0].line, via_pmu_interrupt, 0, "VIA-PMU",
return -EAGAIN;
}
- if (pmu_kind == PMU_KEYLARGO_BASED && gpio_irq != -1) {
- if (request_irq(gpio_irq, gpio1_interrupt, 0, "GPIO1/ADB", (void *)0))
- printk(KERN_ERR "pmu: can't get irq %d (GPIO1)\n", gpio_irq);
- gpio_irq_enabled = 1;
+ if (pmu_kind == PMU_KEYLARGO_BASED) {
+ gpio_node = of_find_node_by_name(NULL, "extint-gpio1");
+ if (gpio_node == NULL)
+ gpio_node = of_find_node_by_name(NULL,
+ "pmu-interrupt");
+ if (gpio_node && gpio_node->n_intrs > 0)
+ gpio_irq = gpio_node->intrs[0].line;
+
+ if (gpio_irq != -1) {
+ if (request_irq(gpio_irq, gpio1_interrupt, 0,
+ "GPIO1 ADB", (void *)0))
+ printk(KERN_ERR "pmu: can't get irq %d"
+ " (GPIO1)\n", gpio_irq);
+ else
+ gpio_irq_enabled = 1;
+ }
}
/* Enable interrupts */
if (vias == NULL)
return -ENODEV;
-#ifndef CONFIG_PPC64
- request_OF_resource(vias, 0, NULL);
-#endif
#ifdef CONFIG_PMAC_BACKLIGHT
/* Enable backlight */
register_backlight_controller(&pmu_backlight_controller, NULL, "pmu");
#endif /* CONFIG_PMAC_BACKLIGHT */
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PPC32
if (machine_is_compatible("AAPL,3400/2400") ||
machine_is_compatible("AAPL,3500")) {
int mb = pmac_call_feature(PMAC_FTR_GET_MB_INFO,
pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART;
}
}
-#endif /* CONFIG_PMAC_PBOOK */
+#endif /* CONFIG_PPC32 */
+
/* Create /proc/pmu */
proc_pmu_root = proc_mkdir("pmu", NULL);
if (proc_pmu_root) {
-#ifdef CONFIG_PMAC_PBOOK
- int i;
+ long i;
for (i=0; i<pmu_battery_count; i++) {
char title[16];
- sprintf(title, "battery_%d", i);
+ sprintf(title, "battery_%ld", i);
proc_pmu_batt[i] = create_proc_read_entry(title, 0, proc_pmu_root,
proc_get_batt, (void *)i);
}
-#endif /* CONFIG_PMAC_PBOOK */
proc_pmu_info = create_proc_read_entry("info", 0, proc_pmu_root,
proc_get_info, NULL);
device_initcall(via_pmu_dev_init);
-static int __openfirmware
+static int
init_pmu(void)
{
int timeout;
return pmu_kind;
}
-#ifndef CONFIG_PPC64
-static inline void wakeup_decrementer(void)
-{
- set_dec(tb_ticks_per_jiffy);
- /* No currently-supported powerbook has a 601,
- * so use get_tbl, not native
- */
- last_jiffy_stamp(0) = tb_last_stamp = get_tbl();
-}
-#endif
-
static void pmu_set_server_mode(int server_mode)
{
struct adb_request req;
pmu_wait_complete(&req);
}
-#ifdef CONFIG_PMAC_PBOOK
-
/* This new version of the code for 2400/3400/3500 powerbooks
* is inspired from the implementation in gkrellm-pmu
*/
-static void __pmac
+static void
done_battery_state_ohare(struct adb_request* req)
{
/* format:
clear_bit(0, &async_req_locks);
}
-static void __pmac
+static void
done_battery_state_smart(struct adb_request* req)
{
/* format:
clear_bit(0, &async_req_locks);
}
-static void __pmac
+static void
query_battery_state(void)
{
if (test_and_set_bit(0, &async_req_locks))
2, PMU_SMART_BATTERY_STATE, pmu_cur_battery+1);
}
-#endif /* CONFIG_PMAC_PBOOK */
-
-static int __pmac
+static int
proc_get_info(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
p += sprintf(p, "PMU driver version : %d\n", PMU_DRIVER_VERSION);
p += sprintf(p, "PMU firmware version : %02x\n", pmu_version);
-#ifdef CONFIG_PMAC_PBOOK
p += sprintf(p, "AC Power : %d\n",
- ((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0));
+ ((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0) || pmu_battery_count == 0);
p += sprintf(p, "Battery count : %d\n", pmu_battery_count);
-#endif /* CONFIG_PMAC_PBOOK */
return p - page;
}
-static int __pmac
+static int
proc_get_irqstats(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
return p - page;
}
-#ifdef CONFIG_PMAC_PBOOK
-static int __pmac
+static int
proc_get_batt(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
- int batnum = (int)data;
+ long batnum = (long)data;
char *p = page;
p += sprintf(p, "\n");
return p - page;
}
-#endif /* CONFIG_PMAC_PBOOK */
-static int __pmac
+static int
proc_read_options(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
-#ifdef CONFIG_PMAC_PBOOK
- if (pmu_kind == PMU_KEYLARGO_BASED && can_sleep)
+#if defined(CONFIG_PM) && 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);
-#endif /* CONFIG_PMAC_PBOOK */
+#endif
if (pmu_kind == PMU_KEYLARGO_BASED)
p += sprintf(p, "server_mode=%d\n", option_server_mode);
return p - page;
}
-static int __pmac
+static int
proc_write_options(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
*(val++) = 0;
while(*val == ' ')
val++;
-#ifdef CONFIG_PMAC_PBOOK
- if (pmu_kind == PMU_KEYLARGO_BASED && can_sleep)
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+ if (pmu_kind == PMU_KEYLARGO_BASED &&
+ pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0)
if (!strcmp(label, "lid_wakeup"))
option_lid_wakeup = ((*val) == '1');
-#endif /* CONFIG_PMAC_PBOOK */
+#endif
if (pmu_kind == PMU_KEYLARGO_BASED && !strcmp(label, "server_mode")) {
int new_value;
new_value = ((*val) == '1');
#ifdef CONFIG_ADB
/* Send an ADB command */
-static int __pmac
+static int
pmu_send_request(struct adb_request *req, int sync)
{
int i, ret;
}
/* Enable/disable autopolling */
-static int __pmac
+static int
pmu_adb_autopoll(int devs)
{
struct adb_request req;
}
/* Reset the ADB bus */
-static int __pmac
+static int
pmu_adb_reset_bus(void)
{
struct adb_request req;
#endif /* CONFIG_ADB */
/* Construct and send a pmu request */
-int __openfirmware
+int
pmu_request(struct adb_request *req, void (*done)(struct adb_request *),
int nbytes, ...)
{
return pmu_queue_request(req);
}
-int __pmac
+int
pmu_queue_request(struct adb_request *req)
{
unsigned long flags;
static inline void
send_byte(int x)
{
- volatile unsigned char *v = via;
+ volatile unsigned char __iomem *v = via;
out_8(&v[ACR], in_8(&v[ACR]) | SR_OUT | SR_EXT);
out_8(&v[SR], x);
static inline void
recv_byte(void)
{
- volatile unsigned char *v = via;
+ volatile unsigned char __iomem *v = via;
out_8(&v[ACR], (in_8(&v[ACR]) & ~SR_OUT) | SR_EXT);
in_8(&v[SR]); /* resets SR */
(*done)(req);
}
-static void __pmac
+static void
pmu_start(void)
{
struct adb_request *req;
send_byte(req->data[0]);
}
-void __openfirmware
+void
pmu_poll(void)
{
if (!via)
via_pmu_interrupt(0, NULL, NULL);
}
-void __openfirmware
+void
pmu_poll_adb(void)
{
if (!via)
|| req_awaiting_reply));
}
-void __openfirmware
+void
pmu_wait_complete(struct adb_request *req)
{
if (!via)
* This is done to avoid spurrious shutdowns when we know we'll have
* interrupts switched off for a long time
*/
-void __openfirmware
+void
pmu_suspend(void)
{
unsigned long flags;
} while (1);
}
-void __openfirmware
+void
pmu_resume(void)
{
unsigned long flags;
}
/* Interrupt data could be the result data from an ADB cmd */
-static void __pmac
+static void
pmu_handle_data(unsigned char *data, int len, struct pt_regs *regs)
{
unsigned char ints, pirq;
}
pmu_done(req);
} else {
-#if defined(CONFIG_XMON) && !defined(CONFIG_PPC64)
if (len == 4 && data[1] == 0x2c) {
extern int xmon_wants_key, xmon_adb_keycode;
if (xmon_wants_key) {
return;
}
}
-#endif /* defined(CONFIG_XMON) && !defined(CONFIG_PPC64) */
#ifdef CONFIG_ADB
/*
* XXX On the [23]400 the PMU gives us an up
}
/* Tick interrupt */
else if ((1 << pirq) & PMU_INT_TICK) {
-#ifdef CONFIG_PMAC_PBOOK
/* Environement or tick interrupt, query batteries */
if (pmu_battery_count) {
if ((--query_batt_timer) == 0) {
pmu_pass_intr(data, len);
} else {
pmu_pass_intr(data, len);
-#endif /* CONFIG_PMAC_PBOOK */
}
goto next;
}
-static struct adb_request* __pmac
+static struct adb_request*
pmu_sr_intr(struct pt_regs *regs)
{
struct adb_request *req;
return NULL;
}
-static irqreturn_t __pmac
+static irqreturn_t
via_pmu_interrupt(int irq, void *arg, struct pt_regs *regs)
{
unsigned long flags;
return IRQ_RETVAL(handled);
}
-void __pmac
+void
pmu_unlock(void)
{
unsigned long flags;
}
-static irqreturn_t __pmac
+static irqreturn_t
gpio1_interrupt(int irq, void *arg, struct pt_regs *regs)
{
unsigned long flags;
}
#ifdef CONFIG_PMAC_BACKLIGHT
-static int backlight_to_bright[] __pmacdata = {
+static int backlight_to_bright[] = {
0x7f, 0x46, 0x42, 0x3e, 0x3a, 0x36, 0x32, 0x2e,
0x2a, 0x26, 0x22, 0x1e, 0x1a, 0x16, 0x12, 0x0e
};
-static int __openfirmware
+static int
pmu_set_backlight_enable(int on, int level, void* data)
{
struct adb_request req;
return 0;
}
-static void __openfirmware
+static void
pmu_bright_complete(struct adb_request *req)
{
if (req == &bright_req_1)
clear_bit(2, &async_req_locks);
}
-static int __openfirmware
+static int
pmu_set_backlight_level(int level, void* data)
{
if (vias == NULL)
}
#endif /* CONFIG_PMAC_BACKLIGHT */
-void __pmac
+void
pmu_enable_irled(int on)
{
struct adb_request req;
pmu_wait_complete(&req);
}
-void __pmac
+void
pmu_restart(void)
{
struct adb_request req;
+ if (via == NULL)
+ return;
+
local_irq_disable();
drop_interrupts = 1;
;
}
-void __pmac
+void
pmu_shutdown(void)
{
struct adb_request req;
+ if (via == NULL)
+ return;
+
local_irq_disable();
drop_interrupts = 1;
return via != 0;
}
-struct pmu_i2c_hdr {
- u8 bus;
- u8 mode;
- u8 bus2;
- u8 address;
- u8 sub_addr;
- u8 comb_addr;
- u8 count;
-};
-
-int
-pmu_i2c_combined_read(int bus, int addr, int subaddr, u8* data, int len)
-{
- struct adb_request req;
- struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1];
- int retry;
- int rc;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- hdr->bus = bus;
- hdr->address = addr & 0xfe;
- hdr->mode = PMU_I2C_MODE_COMBINED;
- hdr->bus2 = 0;
- hdr->sub_addr = subaddr;
- hdr->comb_addr = addr | 1;
- hdr->count = len;
-
- req.nbytes = sizeof(struct pmu_i2c_hdr) + 1;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.data[0] = PMU_I2C_CMD;
- req.reply[0] = 0xff;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- break;
- mdelay(15);
- }
- if (req.reply[0] != PMU_I2C_STATUS_OK)
- return -1;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- mdelay(15);
-
- hdr->bus = PMU_I2C_BUS_STATUS;
- req.reply[0] = 0xff;
-
- req.nbytes = 2;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.data[0] = PMU_I2C_CMD;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_DATAREAD) {
- memcpy(data, &req.reply[1], req.reply_len - 1);
- return req.reply_len - 1;
- }
- }
- return -1;
-}
-
-int
-pmu_i2c_stdsub_write(int bus, int addr, int subaddr, u8* data, int len)
-{
- struct adb_request req;
- struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1];
- int retry;
- int rc;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- hdr->bus = bus;
- hdr->address = addr & 0xfe;
- hdr->mode = PMU_I2C_MODE_STDSUB;
- hdr->bus2 = 0;
- hdr->sub_addr = subaddr;
- hdr->comb_addr = addr & 0xfe;
- hdr->count = len;
-
- req.data[0] = PMU_I2C_CMD;
- memcpy(&req.data[sizeof(struct pmu_i2c_hdr) + 1], data, len);
- req.nbytes = sizeof(struct pmu_i2c_hdr) + len + 1;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.reply[0] = 0xff;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- break;
- mdelay(15);
- }
- if (req.reply[0] != PMU_I2C_STATUS_OK)
- return -1;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- mdelay(15);
-
- hdr->bus = PMU_I2C_BUS_STATUS;
- req.reply[0] = 0xff;
-
- req.nbytes = 2;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.data[0] = PMU_I2C_CMD;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- return len;
- }
- return -1;
-}
-
-int
-pmu_i2c_simple_read(int bus, int addr, u8* data, int len)
-{
- struct adb_request req;
- struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1];
- int retry;
- int rc;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- hdr->bus = bus;
- hdr->address = addr | 1;
- hdr->mode = PMU_I2C_MODE_SIMPLE;
- hdr->bus2 = 0;
- hdr->sub_addr = 0;
- hdr->comb_addr = 0;
- hdr->count = len;
-
- req.data[0] = PMU_I2C_CMD;
- req.nbytes = sizeof(struct pmu_i2c_hdr) + 1;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.reply[0] = 0xff;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- break;
- mdelay(15);
- }
- if (req.reply[0] != PMU_I2C_STATUS_OK)
- return -1;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- mdelay(15);
-
- hdr->bus = PMU_I2C_BUS_STATUS;
- req.reply[0] = 0xff;
-
- req.nbytes = 2;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.data[0] = PMU_I2C_CMD;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_DATAREAD) {
- memcpy(data, &req.reply[1], req.reply_len - 1);
- return req.reply_len - 1;
- }
- }
- return -1;
-}
-
-int
-pmu_i2c_simple_write(int bus, int addr, u8* data, int len)
-{
- struct adb_request req;
- struct pmu_i2c_hdr *hdr = (struct pmu_i2c_hdr *)&req.data[1];
- int retry;
- int rc;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- hdr->bus = bus;
- hdr->address = addr & 0xfe;
- hdr->mode = PMU_I2C_MODE_SIMPLE;
- hdr->bus2 = 0;
- hdr->sub_addr = 0;
- hdr->comb_addr = 0;
- hdr->count = len;
-
- req.data[0] = PMU_I2C_CMD;
- memcpy(&req.data[sizeof(struct pmu_i2c_hdr) + 1], data, len);
- req.nbytes = sizeof(struct pmu_i2c_hdr) + len + 1;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.reply[0] = 0xff;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- break;
- mdelay(15);
- }
- if (req.reply[0] != PMU_I2C_STATUS_OK)
- return -1;
-
- for (retry=0; retry<16; retry++) {
- memset(&req, 0, sizeof(req));
-
- mdelay(15);
-
- hdr->bus = PMU_I2C_BUS_STATUS;
- req.reply[0] = 0xff;
-
- req.nbytes = 2;
- req.reply_expected = 0;
- req.reply_len = 0;
- req.data[0] = PMU_I2C_CMD;
- rc = pmu_queue_request(&req);
- if (rc)
- return rc;
- while(!req.complete)
- pmu_poll();
- if (req.reply[0] == PMU_I2C_STATUS_OK)
- return len;
- }
- return -1;
-}
-
-#ifdef CONFIG_PMAC_PBOOK
+#ifdef CONFIG_PM
static LIST_HEAD(sleep_notifiers);
__list_add(&n->list, list->prev, list);
return 0;
}
+EXPORT_SYMBOL(pmu_register_sleep_notifier);
int
pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n)
n->list.next = NULL;
return 0;
}
+EXPORT_SYMBOL(pmu_unregister_sleep_notifier);
+#endif /* CONFIG_PM */
+
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
/* Sleep is broadcast last-to-first */
-static int __pmac
+static int
broadcast_sleep(int when, int fallback)
{
int ret = PBOOK_SLEEP_OK;
}
/* Wake is broadcast first-to-last */
-static int __pmac
+static int
broadcast_wake(void)
{
int ret = PBOOK_SLEEP_OK;
} *pbook_pci_saves;
static int pbook_npci_saves;
-static void __pmac
+static void
pbook_alloc_pci_save(void)
{
int npci;
pbook_npci_saves = npci;
}
-static void __pmac
+static void
pbook_free_pci_save(void)
{
if (pbook_pci_saves == NULL)
pbook_npci_saves = 0;
}
-static void __pmac
+static void
pbook_pci_save(void)
{
struct pci_save *ps = pbook_pci_saves;
* during boot, it will be in the pci dev list. If it's disabled at this point
* (and it will probably be), then you can't access it's config space.
*/
-static void __pmac
+static void
pbook_pci_restore(void)
{
u16 cmd;
#ifdef DEBUG_SLEEP
/* N.B. This doesn't work on the 3400 */
-void __pmac
+void
pmu_blink(int n)
{
struct adb_request req;
* Put the powerbook to sleep.
*/
-static u32 save_via[8] __pmacdata;
+static u32 save_via[8];
-static void __pmac
+static void
save_via_state(void)
{
save_via[0] = in_8(&via[ANH]);
save_via[6] = in_8(&via[T1CL]);
save_via[7] = in_8(&via[T1CH]);
}
-static void __pmac
+static void
restore_via_state(void)
{
out_8(&via[ANH], save_via[0]);
out_8(&via[IER], IER_SET | SR_INT | CB1_INT);
}
-static int __pmac
+static int
pmac_suspend_devices(void)
{
int ret;
-
+
pm_prepare_console();
/* Notify old-style device drivers & userland */
/* Sync the disks. */
/* XXX It would be nice to have some way to ensure that
* nobody is dirtying any new buffers while we wait. That
- * could be acheived using the refrigerator for processes
+ * could be achieved using the refrigerator for processes
* that swsusp uses
*/
sys_sync();
}
/* Send suspend call to devices, hold the device core's dpm_sem */
- ret = device_suspend(PM_SUSPEND_MEM);
+ ret = device_suspend(PMSG_SUSPEND);
if (ret) {
- printk(KERN_ERR "Driver sleep failed\n");
broadcast_wake();
+ printk(KERN_ERR "Driver sleep failed\n");
return -EBUSY;
}
-
+
+ /* Call platform functions marked "on sleep" */
+ pmac_pfunc_i2c_suspend();
+ pmac_pfunc_base_suspend();
+
+ /* Stop preemption */
preempt_disable();
-
+
/* Make sure the decrementer won't interrupt us */
asm volatile("mtdec %0" : : "r" (0x7fffffff));
/* Make sure any pending DEC interrupt occurring while we did
* use this but still... This will take care of sysdev's as well, so
* we exit from here with local irqs disabled and PIC off.
*/
- ret = device_power_down(PM_SUSPEND_MEM);
+ ret = device_power_down(PMSG_SUSPEND);
if (ret) {
wakeup_decrementer();
local_irq_enable();
/* Wait for completion of async backlight requests */
while (!bright_req_1.complete || !bright_req_2.complete ||
-
!batt_req.complete)
pmu_poll();
enable_kernel_fp();
#ifdef CONFIG_ALTIVEC
- if (cur_cpu_spec[0]->cpu_features & CPU_FTR_ALTIVEC)
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
enable_kernel_altivec();
#endif /* CONFIG_ALTIVEC */
return 0;
}
-static int __pmac
+static int
pmac_wakeup_devices(void)
{
mdelay(100);
/* Power back up system devices (including the PIC) */
device_power_up();
- pmu_blink(1);
-
/* Force a poll of ADB interrupts */
adb_int_pending = 1;
via_pmu_interrupt(0, NULL, NULL);
/* Re-enable local CPU interrupts */
local_irq_enable();
-
- pmu_blink(1);
-
+ mdelay(10);
preempt_enable();
+ /* Call platform functions marked "on wake" */
+ pmac_pfunc_base_resume();
+ pmac_pfunc_i2c_resume();
+
/* Resume devices */
device_resume();
#define GRACKLE_NAP (1<<4)
#define GRACKLE_SLEEP (1<<3)
-int __pmac
-powerbook_sleep_grackle(void)
+static int powerbook_sleep_grackle(void)
{
unsigned long save_l2cr;
unsigned short pmcr1;
/* For 750, save backside cache setting and disable it */
save_l2cr = _get_L2CR(); /* (returns -1 if not available) */
- if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0)
- _set_L2CR(save_l2cr & 0x7fffffff);
if (!__fake_sleep) {
/* Ask the PMU to put us to sleep */
return 0;
}
-static int __pmac
+static int
powerbook_sleep_Core99(void)
{
unsigned long save_l2cr;
struct adb_request req;
int ret;
- if (!can_sleep) {
+ if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0) {
printk(KERN_ERR "Sleep mode not supported on this machine\n");
return -ENOSYS;
}
-
+
+ if (num_online_cpus() > 1 || cpu_is_offline(0))
+ return -EAGAIN;
+
ret = pmac_suspend_devices();
if (ret) {
printk(KERN_ERR "Sleep rejected by devices\n");
return ret;
}
-
+
+ /* Stop environment and ADB interrupts */
+ pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0);
+ pmu_wait_complete(&req);
+
/* Tell PMU what events will wake us up */
pmu_request(&req, NULL, 4, PMU_POWER_EVENTS, PMU_PWR_CLR_WAKEUP_EVENTS,
0xff, 0xff);
(option_lid_wakeup ? PMU_PWR_WAKEUP_LID_OPEN : 0));
pmu_wait_complete(&req);
- /* Save & disable L2 and L3 caches*/
+ /* Save the state of the L2 and L3 caches */
save_l3cr = _get_L3CR(); /* (returns -1 if not available) */
save_l2cr = _get_L2CR(); /* (returns -1 if not available) */
- if (save_l3cr != 0xffffffff && (save_l3cr & L3CR_L3E) != 0)
- _set_L3CR(save_l3cr & 0x7fffffff);
- if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0)
- _set_L2CR(save_l2cr & 0x7fffffff);
-
- /* Save the state of PCI config space for some slots */
- //pbook_pci_save();
if (!__fake_sleep) {
/* Ask the PMU to put us to sleep */
* talk to the PMU after this, so I moved it to _after_ sending the
* sleep command to it. Still need to be checked.
*/
- pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,1);
+ pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 1);
/* Call low-level ASM sleep handler */
if (__fake_sleep)
low_sleep_handler();
/* Restore Apple core ASICs state */
- pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,0);
+ pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 0);
/* Restore VIA */
restore_via_state();
- /* Restore PCI config space. This should be overridable by PCI device
- * drivers as some of them may need special restore code. That's yet
- * another issue that should be handled by the common code properly,
- * maybe one day ?
- */
- /* Don't restore PCI for now, it crashes. Maybe unnecessary on pbook */
- //pbook_pci_restore();
+ /* tweak LPJ before cpufreq is there */
+ loops_per_jiffy *= 2;
+
+ /* Restore video */
+ pmac_call_early_video_resume();
/* Restore L2 cache */
if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0)
pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask);
pmu_wait_complete(&req);
- pmu_blink(1);
+ /* Restore LPJ, cpufreq will adjust the cpu frequency */
+ loops_per_jiffy /= 2;
pmac_wakeup_devices();
#define PB3400_MEM_CTRL 0xf8000000
#define PB3400_MEM_CTRL_SLEEP 0x70
-static int __pmac
+static int
powerbook_sleep_3400(void)
{
int ret, i, x;
unsigned int hid0;
unsigned long p;
struct adb_request sleep_req;
- char *mem_ctrl;
- unsigned int *mem_ctrl_sleep;
+ void __iomem *mem_ctrl;
+ unsigned int __iomem *mem_ctrl_sleep;
/* first map in the memory controller registers */
mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100);
printk("powerbook_sleep_3400: ioremap failed\n");
return -ENOMEM;
}
- mem_ctrl_sleep = (unsigned int *) (mem_ctrl + PB3400_MEM_CTRL_SLEEP);
+ mem_ctrl_sleep = mem_ctrl + PB3400_MEM_CTRL_SLEEP;
/* Allocate room for PCI save */
pbook_alloc_pci_save();
asleep = 1;
/* Put the CPU into sleep mode */
- asm volatile("mfspr %0,1008" : "=r" (hid0) :);
+ hid0 = mfspr(SPRN_HID0);
hid0 = (hid0 & ~(HID0_NAP | HID0_DOZE)) | HID0_SLEEP;
- asm volatile("mtspr 1008,%0" : : "r" (hid0));
- _nmask_and_or_msr(0, MSR_POW | MSR_EE);
+ mtspr(SPRN_HID0, hid0);
+ mtmsr(mfmsr() | MSR_POW | MSR_EE);
udelay(10);
/* OK, we're awake again, start restoring things */
return 0;
}
+#endif /* CONFIG_PM && CONFIG_PPC32 */
+
/*
* Support for /dev/pmu device
*/
};
static LIST_HEAD(all_pmu_pvt);
-static spinlock_t all_pvt_lock __pmacdata = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(all_pvt_lock);
-static void __pmac
+static void
pmu_pass_intr(unsigned char *data, int len)
{
struct pmu_private *pp;
spin_unlock_irqrestore(&all_pvt_lock, flags);
}
-static int __pmac
+static int
pmu_open(struct inode *inode, struct file *file)
{
struct pmu_private *pp;
return 0;
}
-static ssize_t __pmac
+static ssize_t
pmu_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct pmu_private *pp = file->private_data;
DECLARE_WAITQUEUE(wait, current);
unsigned long flags;
- int ret;
+ int ret = 0;
if (count < 1 || pp == 0)
return -EINVAL;
- ret = verify_area(VERIFY_WRITE, buf, count);
- if (ret)
- return ret;
+ if (!access_ok(VERIFY_WRITE, buf, count))
+ return -EFAULT;
spin_lock_irqsave(&pp->lock, flags);
add_wait_queue(&pp->wait, &wait);
return ret;
}
-static ssize_t __pmac
+static ssize_t
pmu_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
return 0;
}
-static unsigned int __pmac
+static unsigned int
pmu_fpoll(struct file *filp, poll_table *wait)
{
struct pmu_private *pp = filp->private_data;
return mask;
}
-static int __pmac
+static int
pmu_release(struct inode *inode, struct file *file)
{
struct pmu_private *pp = file->private_data;
return 0;
}
-/* Note: removed __openfirmware here since it causes link errors */
-static int __pmac
+static int
pmu_ioctl(struct inode * inode, struct file *filp,
u_int cmd, u_long arg)
{
- struct pmu_private *pp = filp->private_data;
__u32 __user *argp = (__u32 __user *)arg;
- int error;
+ int error = -EINVAL;
switch (cmd) {
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
case PMU_IOC_SLEEP:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
error = -ENOSYS;
}
sleep_in_progress = 0;
- return error;
+ break;
case PMU_IOC_CAN_SLEEP:
- return put_user((u32)can_sleep, argp);
+ if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0)
+ return put_user(0, argp);
+ else
+ return put_user(1, argp);
+#endif /* CONFIG_PM && CONFIG_PPC32 */
#ifdef CONFIG_PMAC_BACKLIGHT
/* Backlight should have its own device or go via
error = get_user(value, argp);
if (!error)
error = set_backlight_level(value);
- return error;
+ break;
}
#ifdef CONFIG_INPUT_ADBHID
case PMU_IOC_GRAB_BACKLIGHT: {
+ struct pmu_private *pp = filp->private_data;
unsigned long flags;
+
if (pp->backlight_locker)
return 0;
pp->backlight_locker = 1;
case PMU_IOC_HAS_ADB:
return put_user(pmu_has_adb, argp);
}
- return -EINVAL;
+ return error;
}
-static struct file_operations pmu_device_fops __pmacdata = {
+static struct file_operations pmu_device_fops = {
.read = pmu_read,
.write = pmu_write,
.poll = pmu_fpoll,
.release = pmu_release,
};
-static struct miscdevice pmu_device __pmacdata = {
+static struct miscdevice pmu_device = {
PMU_MINOR, "pmu", &pmu_device_fops
};
-void pmu_device_init(void)
+static int pmu_device_init(void)
{
if (!via)
- return;
+ return 0;
if (misc_register(&pmu_device) < 0)
printk(KERN_ERR "via-pmu: cannot register misc device.\n");
+ return 0;
}
-#endif /* CONFIG_PMAC_PBOOK */
+device_initcall(pmu_device_init);
+
#ifdef DEBUG_SLEEP
-static inline void __pmac
-polled_handshake(volatile unsigned char *via)
+static inline void
+polled_handshake(volatile unsigned char __iomem *via)
{
via[B] &= ~TREQ; eieio();
while ((via[B] & TACK) != 0)
;
}
-static inline void __pmac
-polled_send_byte(volatile unsigned char *via, int x)
+static inline void
+polled_send_byte(volatile unsigned char __iomem *via, int x)
{
via[ACR] |= SR_OUT | SR_EXT; eieio();
via[SR] = x; eieio();
polled_handshake(via);
}
-static inline int __pmac
-polled_recv_byte(volatile unsigned char *via)
+static inline int
+polled_recv_byte(volatile unsigned char __iomem *via)
{
int x;
return x;
}
-int __pmac
+int
pmu_polled_request(struct adb_request *req)
{
unsigned long flags;
int i, l, c;
- volatile unsigned char *v = via;
+ volatile unsigned char __iomem *v = via;
req->complete = 1;
c = req->data[0];
}
#endif /* DEBUG_SLEEP */
+
+/* FIXME: This is a temporary set of callbacks to enable us
+ * to do suspend-to-disk.
+ */
+
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+
+static int pmu_sys_suspended = 0;
+
+static int pmu_sys_suspend(struct sys_device *sysdev, pm_message_t state)
+{
+ if (state.event != PM_EVENT_SUSPEND || pmu_sys_suspended)
+ return 0;
+
+ /* Suspend PMU event interrupts */
+ pmu_suspend();
+
+ pmu_sys_suspended = 1;
+ return 0;
+}
+
+static int pmu_sys_resume(struct sys_device *sysdev)
+{
+ struct adb_request req;
+
+ if (!pmu_sys_suspended)
+ return 0;
+
+ /* Tell PMU we are ready */
+ pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2);
+ pmu_wait_complete(&req);
+
+ /* Resume PMU event interrupts */
+ pmu_resume();
+
+ pmu_sys_suspended = 0;
+
+ return 0;
+}
+
+#endif /* CONFIG_PM && CONFIG_PPC32 */
+
+static struct sysdev_class pmu_sysclass = {
+ set_kset_name("pmu"),
+};
+
+static struct sys_device device_pmu = {
+ .id = 0,
+ .cls = &pmu_sysclass,
+};
+
+static struct sysdev_driver driver_pmu = {
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
+ .suspend = &pmu_sys_suspend,
+ .resume = &pmu_sys_resume,
+#endif /* CONFIG_PM && CONFIG_PPC32 */
+};
+
+static int __init init_pmu_sysfs(void)
+{
+ int rc;
+
+ rc = sysdev_class_register(&pmu_sysclass);
+ if (rc) {
+ printk(KERN_ERR "Failed registering PMU sys class\n");
+ return -ENODEV;
+ }
+ rc = sysdev_register(&device_pmu);
+ if (rc) {
+ printk(KERN_ERR "Failed registering PMU sys device\n");
+ return -ENODEV;
+ }
+ rc = sysdev_driver_register(&pmu_sysclass, &driver_pmu);
+ if (rc) {
+ printk(KERN_ERR "Failed registering PMU sys driver\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+subsys_initcall(init_pmu_sysfs);
+
EXPORT_SYMBOL(pmu_request);
+EXPORT_SYMBOL(pmu_queue_request);
EXPORT_SYMBOL(pmu_poll);
EXPORT_SYMBOL(pmu_poll_adb);
EXPORT_SYMBOL(pmu_wait_complete);
EXPORT_SYMBOL(pmu_suspend);
EXPORT_SYMBOL(pmu_resume);
EXPORT_SYMBOL(pmu_unlock);
-EXPORT_SYMBOL(pmu_i2c_combined_read);
-EXPORT_SYMBOL(pmu_i2c_stdsub_write);
-EXPORT_SYMBOL(pmu_i2c_simple_read);
-EXPORT_SYMBOL(pmu_i2c_simple_write);
-#ifdef CONFIG_PMAC_PBOOK
-EXPORT_SYMBOL(pmu_register_sleep_notifier);
-EXPORT_SYMBOL(pmu_unregister_sleep_notifier);
+#if defined(CONFIG_PM) && defined(CONFIG_PPC32)
EXPORT_SYMBOL(pmu_enable_irled);
EXPORT_SYMBOL(pmu_battery_count);
EXPORT_SYMBOL(pmu_batteries);
EXPORT_SYMBOL(pmu_power_flags);
-#endif /* CONFIG_PMAC_PBOOK */
+#endif /* CONFIG_PM && CONFIG_PPC32 */
git://git.onelab.eu / linux-2.6.git / blobdiff