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drivers/macintosh/via-pmu.c
61.7 KB
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/* * Device driver for the via-pmu on Apple Powermacs. * * The VIA (versatile interface adapter) interfaces to the PMU, * a 6805 microprocessor core whose primary function is to control * battery charging and system power on the PowerBook 3400 and 2400. * The PMU also controls the ADB (Apple Desktop Bus) which connects * to the keyboard and mouse, as well as the non-volatile RAM * and the RTC (real time clock) chip. * * Copyright (C) 1998 Paul Mackerras and Fabio Riccardi. * Copyright (C) 2001-2002 Benjamin Herrenschmidt |
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* Copyright (C) 2006-2007 Johannes Berg |
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* * THIS DRIVER IS BECOMING A TOTAL MESS ! * - Cleanup atomically disabling reply to PMU events after * a sleep or a freq. switch |
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* */ #include <stdarg.h> |
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#include <linux/mutex.h> |
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#include <linux/types.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/sched.h> #include <linux/miscdevice.h> #include <linux/blkdev.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/poll.h> #include <linux/adb.h> #include <linux/pmu.h> #include <linux/cuda.h> |
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#include <linux/module.h> #include <linux/spinlock.h> #include <linux/pm.h> #include <linux/proc_fs.h> |
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#include <linux/seq_file.h> |
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#include <linux/init.h> #include <linux/interrupt.h> #include <linux/device.h> |
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#include <linux/syscore_ops.h> |
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#include <linux/freezer.h> |
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#include <linux/syscalls.h> |
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#include <linux/suspend.h> |
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#include <linux/cpu.h> |
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#include <linux/compat.h> |
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#include <asm/prom.h> #include <asm/machdep.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/system.h> #include <asm/sections.h> #include <asm/irq.h> #include <asm/pmac_feature.h> |
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#include <asm/pmac_pfunc.h> #include <asm/pmac_low_i2c.h> |
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#include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/cputable.h> #include <asm/time.h> |
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#include <asm/backlight.h> |
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|
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#include "via-pmu-event.h" |
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/* Some compile options */ |
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#undef DEBUG_SLEEP |
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/* Misc minor number allocated for /dev/pmu */ #define PMU_MINOR 154 /* How many iterations between battery polls */ #define BATTERY_POLLING_COUNT 2 |
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static DEFINE_MUTEX(pmu_info_proc_mutex); |
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static volatile unsigned char __iomem *via; /* VIA registers - spaced 0x200 bytes apart */ #define RS 0x200 /* skip between registers */ #define B 0 /* B-side data */ #define A RS /* A-side data */ #define DIRB (2*RS) /* B-side direction (1=output) */ #define DIRA (3*RS) /* A-side direction (1=output) */ #define T1CL (4*RS) /* Timer 1 ctr/latch (low 8 bits) */ #define T1CH (5*RS) /* Timer 1 counter (high 8 bits) */ #define T1LL (6*RS) /* Timer 1 latch (low 8 bits) */ #define T1LH (7*RS) /* Timer 1 latch (high 8 bits) */ #define T2CL (8*RS) /* Timer 2 ctr/latch (low 8 bits) */ #define T2CH (9*RS) /* Timer 2 counter (high 8 bits) */ #define SR (10*RS) /* Shift register */ #define ACR (11*RS) /* Auxiliary control register */ #define PCR (12*RS) /* Peripheral control register */ #define IFR (13*RS) /* Interrupt flag register */ #define IER (14*RS) /* Interrupt enable register */ #define ANH (15*RS) /* A-side data, no handshake */ /* Bits in B data register: both active low */ #define TACK 0x08 /* Transfer acknowledge (input) */ #define TREQ 0x10 /* Transfer request (output) */ /* Bits in ACR */ #define SR_CTRL 0x1c /* Shift register control bits */ #define SR_EXT 0x0c /* Shift on external clock */ #define SR_OUT 0x10 /* Shift out if 1 */ /* Bits in IFR and IER */ #define IER_SET 0x80 /* set bits in IER */ #define IER_CLR 0 /* clear bits in IER */ #define SR_INT 0x04 /* Shift register full/empty */ #define CB2_INT 0x08 #define CB1_INT 0x10 /* transition on CB1 input */ static volatile enum pmu_state { idle, sending, intack, reading, reading_intr, locked, } pmu_state; static volatile enum int_data_state { int_data_empty, int_data_fill, int_data_ready, int_data_flush } int_data_state[2] = { int_data_empty, int_data_empty }; static struct adb_request *current_req; static struct adb_request *last_req; static struct adb_request *req_awaiting_reply; static unsigned char interrupt_data[2][32]; static int interrupt_data_len[2]; static int int_data_last; static unsigned char *reply_ptr; static int data_index; static int data_len; static volatile int adb_int_pending; static volatile int disable_poll; |
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static struct device_node *vias; static int pmu_kind = PMU_UNKNOWN; |
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static int pmu_fully_inited; |
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static int pmu_has_adb; |
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static struct device_node *gpio_node; |
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static unsigned char __iomem *gpio_reg; |
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static int gpio_irq = NO_IRQ; |
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static int gpio_irq_enabled = -1; |
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static volatile int pmu_suspended; |
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static spinlock_t pmu_lock; static u8 pmu_intr_mask; static int pmu_version; static int drop_interrupts; |
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#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
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static int option_lid_wakeup = 1; |
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#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ |
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static unsigned long async_req_locks; static unsigned int pmu_irq_stats[11]; static struct proc_dir_entry *proc_pmu_root; static struct proc_dir_entry *proc_pmu_info; static struct proc_dir_entry *proc_pmu_irqstats; static struct proc_dir_entry *proc_pmu_options; static int option_server_mode; |
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int pmu_battery_count; int pmu_cur_battery; |
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unsigned int pmu_power_flags = PMU_PWR_AC_PRESENT; |
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struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES]; 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]; |
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int __fake_sleep; int asleep; |
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#ifdef CONFIG_ADB |
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static int adb_dev_map; |
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static int pmu_adb_flags; static int pmu_probe(void); static int pmu_init(void); static int pmu_send_request(struct adb_request *req, int sync); static int pmu_adb_autopoll(int devs); static int pmu_adb_reset_bus(void); #endif /* CONFIG_ADB */ static int init_pmu(void); |
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static void pmu_start(void); |
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static irqreturn_t via_pmu_interrupt(int irq, void *arg); static irqreturn_t gpio1_interrupt(int irq, void *arg); |
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static const struct file_operations pmu_info_proc_fops; static const struct file_operations pmu_irqstats_proc_fops; |
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static void pmu_pass_intr(unsigned char *data, int len); |
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static const struct file_operations pmu_battery_proc_fops; static const struct file_operations pmu_options_proc_fops; |
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#ifdef CONFIG_ADB struct adb_driver via_pmu_driver = { "PMU", pmu_probe, pmu_init, pmu_send_request, pmu_adb_autopoll, pmu_poll_adb, pmu_adb_reset_bus }; #endif /* CONFIG_ADB */ extern void low_sleep_handler(void); extern void enable_kernel_altivec(void); extern void enable_kernel_fp(void); #ifdef DEBUG_SLEEP int pmu_polled_request(struct adb_request *req); |
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void pmu_blink(int n); |
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#endif /* * This table indicates for each PMU opcode: * - the number of data bytes to be sent with the command, or -1 * if a length byte should be sent, * - the number of response bytes which the PMU will return, or * -1 if it will send a length byte. */ |
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static const s8 pmu_data_len[256][2] = { |
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/* 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}, /*10*/ { 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*18*/ { 0, 1},{ 0, 1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{ 0, 0}, /*20*/ {-1, 0},{ 0, 0},{ 2, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0}, /*28*/ { 0,-1},{ 0,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{ 0,-1}, /*30*/ { 4, 0},{20, 0},{-1, 0},{ 3, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*38*/ { 0, 4},{ 0,20},{ 2,-1},{ 2, 1},{ 3,-1},{-1,-1},{-1,-1},{ 4, 0}, /*40*/ { 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*48*/ { 0, 1},{ 0, 1},{-1,-1},{ 1, 0},{ 1, 0},{-1,-1},{-1,-1},{-1,-1}, /*50*/ { 1, 0},{ 0, 0},{ 2, 0},{ 2, 0},{-1, 0},{ 1, 0},{ 3, 0},{ 1, 0}, /*58*/ { 0, 1},{ 1, 0},{ 0, 2},{ 0, 2},{ 0,-1},{-1,-1},{-1,-1},{-1,-1}, /*60*/ { 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*68*/ { 0, 3},{ 0, 3},{ 0, 2},{ 0, 8},{ 0,-1},{ 0,-1},{-1,-1},{-1,-1}, /*70*/ { 1, 0},{ 1, 0},{ 1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*78*/ { 0,-1},{ 0,-1},{-1,-1},{-1,-1},{-1,-1},{ 5, 1},{ 4, 1},{ 4, 1}, /*80*/ { 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*88*/ { 0, 5},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, /*90*/ { 1, 0},{ 2, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*98*/ { 0, 1},{ 0, 1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, /*a0*/ { 2, 0},{ 2, 0},{ 2, 0},{ 4, 0},{-1, 0},{ 0, 0},{-1, 0},{-1, 0}, /*a8*/ { 1, 1},{ 1, 0},{ 3, 0},{ 2, 0},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, /*b0*/ {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*b8*/ {-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, /*c0*/ {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*c8*/ {-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, /*d0*/ { 0, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*d8*/ { 1, 1},{ 1, 1},{-1,-1},{-1,-1},{ 0, 1},{ 0,-1},{-1,-1},{-1,-1}, /*e0*/ {-1, 0},{ 4, 0},{ 0, 1},{-1, 0},{-1, 0},{ 4, 0},{-1, 0},{-1, 0}, /*e8*/ { 3,-1},{-1,-1},{ 0, 1},{-1,-1},{ 0,-1},{-1,-1},{-1,-1},{ 0, 0}, /*f0*/ {-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0},{-1, 0}, /*f8*/ {-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1},{-1,-1}, }; static char *pbook_type[] = { "Unknown PowerBook", "PowerBook 2400/3400/3500(G3)", "PowerBook G3 Series", "1999 PowerBook G3", "Core99" }; |
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int __init find_via_pmu(void) |
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{ |
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u64 taddr; |
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const u32 *reg; |
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|
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if (via != 0) return 1; |
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vias = of_find_node_by_name(NULL, "via-pmu"); if (vias == NULL) |
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return 0; |
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|
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reg = of_get_property(vias, "reg", NULL); |
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if (reg == NULL) { printk(KERN_ERR "via-pmu: No \"reg\" property ! "); goto fail; } taddr = of_translate_address(vias, reg); |
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if (taddr == OF_BAD_ADDR) { |
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printk(KERN_ERR "via-pmu: Can't translate address ! "); goto fail; |
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} spin_lock_init(&pmu_lock); pmu_has_adb = 1; pmu_intr_mask = PMU_INT_PCEJECT | PMU_INT_SNDBRT | PMU_INT_ADB | PMU_INT_TICK; if (vias->parent->name && ((strcmp(vias->parent->name, "ohare") == 0) |
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|| of_device_is_compatible(vias->parent, "ohare"))) |
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pmu_kind = PMU_OHARE_BASED; |
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else if (of_device_is_compatible(vias->parent, "paddington")) |
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pmu_kind = PMU_PADDINGTON_BASED; |
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else if (of_device_is_compatible(vias->parent, "heathrow")) |
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pmu_kind = PMU_HEATHROW_BASED; |
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else if (of_device_is_compatible(vias->parent, "Keylargo") || of_device_is_compatible(vias->parent, "K2-Keylargo")) { |
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struct device_node *gpiop; |
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struct device_node *adbp; |
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u64 gaddr = OF_BAD_ADDR; |
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pmu_kind = PMU_KEYLARGO_BASED; |
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adbp = of_find_node_by_type(NULL, "adb"); pmu_has_adb = (adbp != NULL); of_node_put(adbp); |
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pmu_intr_mask = PMU_INT_PCEJECT | PMU_INT_SNDBRT | PMU_INT_ADB | PMU_INT_TICK | PMU_INT_ENVIRONMENT; |
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gpiop = of_find_node_by_name(NULL, "gpio"); if (gpiop) { |
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reg = of_get_property(gpiop, "reg", NULL); |
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if (reg) gaddr = of_translate_address(gpiop, reg); |
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if (gaddr != OF_BAD_ADDR) |
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gpio_reg = ioremap(gaddr, 0x10); |
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} |
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if (gpio_reg == NULL) { |
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printk(KERN_ERR "via-pmu: Can't find GPIO reg ! "); |
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goto fail_gpio; } |
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} else pmu_kind = PMU_UNKNOWN; |
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via = ioremap(taddr, 0x2000); if (via == NULL) { printk(KERN_ERR "via-pmu: Can't map address ! "); goto fail; } |
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out_8(&via[IER], IER_CLR | 0x7f); /* disable all intrs */ out_8(&via[IFR], 0x7f); /* clear IFR */ pmu_state = idle; if (!init_pmu()) { via = NULL; return 0; } |
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printk(KERN_INFO "PMU driver v%d initialized for %s, firmware: %02x ", |
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PMU_DRIVER_VERSION, pbook_type[pmu_kind], pmu_version); sys_ctrler = SYS_CTRLER_PMU; return 1; |
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fail: of_node_put(vias); |
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iounmap(gpio_reg); gpio_reg = NULL; fail_gpio: |
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vias = NULL; return 0; |
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} #ifdef CONFIG_ADB |
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static int pmu_probe(void) |
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{ return vias == NULL? -ENODEV: 0; } |
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static int __init pmu_init(void) |
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{ if (vias == NULL) return -ENODEV; return 0; } #endif /* CONFIG_ADB */ /* * We can't wait until pmu_init gets called, that happens too late. * It happens after IDE and SCSI initialization, which can take a few * seconds, and by that time the PMU could have given up on us and * turned us off. * Thus this is called with arch_initcall rather than device_initcall. */ static int __init via_pmu_start(void) { |
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unsigned int irq; |
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if (vias == NULL) return -ENODEV; |
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batt_req.complete = 1; |
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|
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irq = irq_of_parse_and_map(vias, 0); if (irq == NO_IRQ) { |
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printk(KERN_ERR "via-pmu: can't map interrupt "); |
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return -ENODEV; } |
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/* We set IRQF_NO_SUSPEND 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 |
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*/ |
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if (request_irq(irq, via_pmu_interrupt, IRQF_NO_SUSPEND, "VIA-PMU", (void *)0)) { |
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printk(KERN_ERR "via-pmu: can't request irq %d ", irq); return -ENODEV; |
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} |
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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"); |
0ebfff149 [POWERPC] Add new... |
417 418 |
if (gpio_node) gpio_irq = irq_of_parse_and_map(gpio_node, 0); |
51d3082fe [PATCH] powerpc: ... |
419 |
|
0ebfff149 [POWERPC] Add new... |
420 |
if (gpio_irq != NO_IRQ) { |
11a50873e powerpc/pmac: Fix... |
421 |
if (request_irq(gpio_irq, gpio1_interrupt, IRQF_TIMER, |
51d3082fe [PATCH] powerpc: ... |
422 423 424 425 426 427 428 |
"GPIO1 ADB", (void *)0)) printk(KERN_ERR "pmu: can't get irq %d" " (GPIO1) ", gpio_irq); else gpio_irq_enabled = 1; } |
1da177e4c Linux-2.6.12-rc2 |
429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 |
} /* Enable interrupts */ out_8(&via[IER], IER_SET | SR_INT | CB1_INT); pmu_fully_inited = 1; /* Make sure PMU settle down before continuing. This is _very_ important * since the IDE probe may shut interrupts down for quite a bit of time. If * a PMU communication is pending while this happens, the PMU may timeout * Not that on Core99 machines, the PMU keeps sending us environement * messages, we should find a way to either fix IDE or make it call * pmu_suspend() before masking interrupts. This can also happens while * scolling with some fbdevs. */ do { pmu_poll(); } while (pmu_state != idle); return 0; } arch_initcall(via_pmu_start); /* * This has to be done after pci_init, which is a subsys_initcall. */ static int __init via_pmu_dev_init(void) { if (vias == NULL) return -ENODEV; |
1da177e4c Linux-2.6.12-rc2 |
460 |
#ifdef CONFIG_PMAC_BACKLIGHT |
5474c120a [PATCH] Rewritten... |
461 |
/* Initialize backlight */ |
4b755999d [PATCH] powermac:... |
462 |
pmu_backlight_init(); |
5474c120a [PATCH] Rewritten... |
463 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
464 |
|
8c8709334 [PATCH] ppc32: Re... |
465 |
#ifdef CONFIG_PPC32 |
71a157e8e of: add 'of_' pre... |
466 467 |
if (of_machine_is_compatible("AAPL,3400/2400") || of_machine_is_compatible("AAPL,3500")) { |
1da177e4c Linux-2.6.12-rc2 |
468 469 470 471 472 473 474 |
int mb = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_MODEL, 0); pmu_battery_count = 1; if (mb == PMAC_TYPE_COMET) pmu_batteries[0].flags |= PMU_BATT_TYPE_COMET; else pmu_batteries[0].flags |= PMU_BATT_TYPE_HOOPER; |
71a157e8e of: add 'of_' pre... |
475 476 |
} else if (of_machine_is_compatible("AAPL,PowerBook1998") || of_machine_is_compatible("PowerBook1,1")) { |
1da177e4c Linux-2.6.12-rc2 |
477 478 479 480 |
pmu_battery_count = 2; pmu_batteries[0].flags |= PMU_BATT_TYPE_SMART; pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART; } else { |
30686ba6d [POWERPC] Remove ... |
481 482 |
struct device_node* prim = of_find_node_by_name(NULL, "power-mgt"); |
018a3d1db [POWERPC] powerma... |
483 |
const u32 *prim_info = NULL; |
1da177e4c Linux-2.6.12-rc2 |
484 |
if (prim) |
01b2726dd [POWERPC] Rename ... |
485 |
prim_info = of_get_property(prim, "prim-info", NULL); |
1da177e4c Linux-2.6.12-rc2 |
486 487 488 489 490 491 492 |
if (prim_info) { /* Other stuffs here yet unknown */ pmu_battery_count = (prim_info[6] >> 16) & 0xff; pmu_batteries[0].flags |= PMU_BATT_TYPE_SMART; if (pmu_battery_count > 1) pmu_batteries[1].flags |= PMU_BATT_TYPE_SMART; } |
30686ba6d [POWERPC] Remove ... |
493 |
of_node_put(prim); |
1da177e4c Linux-2.6.12-rc2 |
494 |
} |
8c8709334 [PATCH] ppc32: Re... |
495 |
#endif /* CONFIG_PPC32 */ |
1da177e4c Linux-2.6.12-rc2 |
496 497 498 |
/* Create /proc/pmu */ proc_pmu_root = proc_mkdir("pmu", NULL); if (proc_pmu_root) { |
8c8709334 [PATCH] ppc32: Re... |
499 |
long i; |
1da177e4c Linux-2.6.12-rc2 |
500 501 502 |
for (i=0; i<pmu_battery_count; i++) { char title[16]; |
8c8709334 [PATCH] ppc32: Re... |
503 |
sprintf(title, "battery_%ld", i); |
9d2f7342d powerpc/via-pmu: ... |
504 505 |
proc_pmu_batt[i] = proc_create_data(title, 0, proc_pmu_root, &pmu_battery_proc_fops, (void *)i); |
1da177e4c Linux-2.6.12-rc2 |
506 |
} |
1da177e4c Linux-2.6.12-rc2 |
507 |
|
9d2f7342d powerpc/via-pmu: ... |
508 509 510 511 512 |
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); |
1da177e4c Linux-2.6.12-rc2 |
513 514 515 516 517 |
} return 0; } device_initcall(via_pmu_dev_init); |
aacaf9bd9 [PATCH] powerpc: ... |
518 |
static int |
1da177e4c Linux-2.6.12-rc2 |
519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 |
init_pmu(void) { int timeout; struct adb_request req; out_8(&via[B], via[B] | TREQ); /* negate TREQ */ out_8(&via[DIRB], (via[DIRB] | TREQ) & ~TACK); /* TACK in, TREQ out */ pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask); timeout = 100000; while (!req.complete) { if (--timeout < 0) { printk(KERN_ERR "init_pmu: no response from PMU "); return 0; } udelay(10); pmu_poll(); } /* ack all pending interrupts */ timeout = 100000; interrupt_data[0][0] = 1; while (interrupt_data[0][0] || pmu_state != idle) { if (--timeout < 0) { printk(KERN_ERR "init_pmu: timed out acking intrs "); return 0; } if (pmu_state == idle) adb_int_pending = 1; |
7d12e780e IRQ: Maintain reg... |
550 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 |
udelay(10); } /* Tell PMU we are ready. */ if (pmu_kind == PMU_KEYLARGO_BASED) { pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2); while (!req.complete) pmu_poll(); } /* Read PMU version */ pmu_request(&req, NULL, 1, PMU_GET_VERSION); pmu_wait_complete(&req); if (req.reply_len > 0) pmu_version = req.reply[0]; /* Read server mode setting */ if (pmu_kind == PMU_KEYLARGO_BASED) { pmu_request(&req, NULL, 2, PMU_POWER_EVENTS, PMU_PWR_GET_POWERUP_EVENTS); pmu_wait_complete(&req); if (req.reply_len == 2) { if (req.reply[1] & PMU_PWR_WAKEUP_AC_INSERT) option_server_mode = 1; printk(KERN_INFO "via-pmu: Server Mode is %s ", option_server_mode ? "enabled" : "disabled"); } } return 1; } int pmu_get_model(void) { return pmu_kind; } |
1da177e4c Linux-2.6.12-rc2 |
588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 |
static void pmu_set_server_mode(int server_mode) { struct adb_request req; if (pmu_kind != PMU_KEYLARGO_BASED) return; option_server_mode = server_mode; pmu_request(&req, NULL, 2, PMU_POWER_EVENTS, PMU_PWR_GET_POWERUP_EVENTS); pmu_wait_complete(&req); if (req.reply_len < 2) return; if (server_mode) pmu_request(&req, NULL, 4, PMU_POWER_EVENTS, PMU_PWR_SET_POWERUP_EVENTS, req.reply[0], PMU_PWR_WAKEUP_AC_INSERT); else pmu_request(&req, NULL, 4, PMU_POWER_EVENTS, PMU_PWR_CLR_POWERUP_EVENTS, req.reply[0], PMU_PWR_WAKEUP_AC_INSERT); pmu_wait_complete(&req); } |
1da177e4c Linux-2.6.12-rc2 |
610 611 612 |
/* This new version of the code for 2400/3400/3500 powerbooks * is inspired from the implementation in gkrellm-pmu */ |
aacaf9bd9 [PATCH] powerpc: ... |
613 |
static void |
1da177e4c Linux-2.6.12-rc2 |
614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 |
done_battery_state_ohare(struct adb_request* req) { /* format: * [0] : flags * 0x01 : AC indicator * 0x02 : charging * 0x04 : battery exist * 0x08 : * 0x10 : * 0x20 : full charged * 0x40 : pcharge reset * 0x80 : battery exist * * [1][2] : battery voltage * [3] : CPU temperature * [4] : battery temperature * [5] : current * [6][7] : pcharge * --tkoba */ unsigned int bat_flags = PMU_BATT_TYPE_HOOPER; long pcharge, charge, vb, vmax, lmax; long vmax_charging, vmax_charged; long amperage, voltage, time, max; int mb = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_MODEL, 0); if (req->reply[0] & 0x01) pmu_power_flags |= PMU_PWR_AC_PRESENT; else pmu_power_flags &= ~PMU_PWR_AC_PRESENT; if (mb == PMAC_TYPE_COMET) { vmax_charged = 189; vmax_charging = 213; lmax = 6500; } else { vmax_charged = 330; vmax_charging = 330; lmax = 6500; } vmax = vmax_charged; /* If battery installed */ if (req->reply[0] & 0x04) { bat_flags |= PMU_BATT_PRESENT; if (req->reply[0] & 0x02) bat_flags |= PMU_BATT_CHARGING; vb = (req->reply[1] << 8) | req->reply[2]; voltage = (vb * 265 + 72665) / 10; amperage = req->reply[5]; if ((req->reply[0] & 0x01) == 0) { if (amperage > 200) vb += ((amperage - 200) * 15)/100; } else if (req->reply[0] & 0x02) { vb = (vb * 97) / 100; vmax = vmax_charging; } charge = (100 * vb) / vmax; if (req->reply[0] & 0x40) { pcharge = (req->reply[6] << 8) + req->reply[7]; if (pcharge > lmax) pcharge = lmax; pcharge *= 100; pcharge = 100 - pcharge / lmax; if (pcharge < charge) charge = pcharge; } if (amperage > 0) time = (charge * 16440) / amperage; else time = 0; max = 100; amperage = -amperage; } else charge = max = amperage = voltage = time = 0; pmu_batteries[pmu_cur_battery].flags = bat_flags; pmu_batteries[pmu_cur_battery].charge = charge; pmu_batteries[pmu_cur_battery].max_charge = max; pmu_batteries[pmu_cur_battery].amperage = amperage; pmu_batteries[pmu_cur_battery].voltage = voltage; pmu_batteries[pmu_cur_battery].time_remaining = time; clear_bit(0, &async_req_locks); } |
aacaf9bd9 [PATCH] powerpc: ... |
700 |
static void |
1da177e4c Linux-2.6.12-rc2 |
701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 |
done_battery_state_smart(struct adb_request* req) { /* format: * [0] : format of this structure (known: 3,4,5) * [1] : flags * * format 3 & 4: * * [2] : charge * [3] : max charge * [4] : current * [5] : voltage * * format 5: * * [2][3] : charge * [4][5] : max charge * [6][7] : current * [8][9] : voltage */ unsigned int bat_flags = PMU_BATT_TYPE_SMART; int amperage; unsigned int capa, max, voltage; if (req->reply[1] & 0x01) pmu_power_flags |= PMU_PWR_AC_PRESENT; else pmu_power_flags &= ~PMU_PWR_AC_PRESENT; capa = max = amperage = voltage = 0; if (req->reply[1] & 0x04) { bat_flags |= PMU_BATT_PRESENT; switch(req->reply[0]) { case 3: case 4: capa = req->reply[2]; max = req->reply[3]; amperage = *((signed char *)&req->reply[4]); voltage = req->reply[5]; break; case 5: capa = (req->reply[2] << 8) | req->reply[3]; max = (req->reply[4] << 8) | req->reply[5]; amperage = *((signed short *)&req->reply[6]); voltage = (req->reply[8] << 8) | req->reply[9]; break; default: printk(KERN_WARNING "pmu.c : unrecognized battery info, len: %d, %02x %02x %02x %02x ", req->reply_len, req->reply[0], req->reply[1], req->reply[2], req->reply[3]); break; } } if ((req->reply[1] & 0x01) && (amperage > 0)) bat_flags |= PMU_BATT_CHARGING; pmu_batteries[pmu_cur_battery].flags = bat_flags; pmu_batteries[pmu_cur_battery].charge = capa; pmu_batteries[pmu_cur_battery].max_charge = max; pmu_batteries[pmu_cur_battery].amperage = amperage; pmu_batteries[pmu_cur_battery].voltage = voltage; if (amperage) { if ((req->reply[1] & 0x01) && (amperage > 0)) pmu_batteries[pmu_cur_battery].time_remaining = ((max-capa) * 3600) / amperage; else pmu_batteries[pmu_cur_battery].time_remaining = (capa * 3600) / (-amperage); } else pmu_batteries[pmu_cur_battery].time_remaining = 0; pmu_cur_battery = (pmu_cur_battery + 1) % pmu_battery_count; clear_bit(0, &async_req_locks); } |
aacaf9bd9 [PATCH] powerpc: ... |
778 |
static void |
1da177e4c Linux-2.6.12-rc2 |
779 780 781 782 783 784 785 786 787 788 789 |
query_battery_state(void) { if (test_and_set_bit(0, &async_req_locks)) return; if (pmu_kind == PMU_OHARE_BASED) pmu_request(&batt_req, done_battery_state_ohare, 1, PMU_BATTERY_STATE); else pmu_request(&batt_req, done_battery_state_smart, 2, PMU_SMART_BATTERY_STATE, pmu_cur_battery+1); } |
9d2f7342d powerpc/via-pmu: ... |
790 |
static int pmu_info_proc_show(struct seq_file *m, void *v) |
1da177e4c Linux-2.6.12-rc2 |
791 |
{ |
9d2f7342d powerpc/via-pmu: ... |
792 793 794 795 796 797 |
seq_printf(m, "PMU driver version : %d ", PMU_DRIVER_VERSION); seq_printf(m, "PMU firmware version : %02x ", pmu_version); seq_printf(m, "AC Power : %d ", |
63e1fd41c [PATCH] macintosh... |
798 |
((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0) || pmu_battery_count == 0); |
9d2f7342d powerpc/via-pmu: ... |
799 800 801 802 803 |
seq_printf(m, "Battery count : %d ", pmu_battery_count); return 0; } |
1da177e4c Linux-2.6.12-rc2 |
804 |
|
9d2f7342d powerpc/via-pmu: ... |
805 806 807 |
static int pmu_info_proc_open(struct inode *inode, struct file *file) { return single_open(file, pmu_info_proc_show, NULL); |
1da177e4c Linux-2.6.12-rc2 |
808 |
} |
9d2f7342d powerpc/via-pmu: ... |
809 810 811 812 813 814 815 816 817 |
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) |
1da177e4c Linux-2.6.12-rc2 |
818 819 |
{ int i; |
1da177e4c Linux-2.6.12-rc2 |
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 |
static const char *irq_names[] = { "Total CB1 triggered events", "Total GPIO1 triggered events", "PC-Card eject button", "Sound/Brightness button", "ADB message", "Battery state change", "Environment interrupt", "Tick timer", "Ghost interrupt (zero len)", "Empty interrupt (empty mask)", "Max irqs in a row" }; for (i=0; i<11; i++) { |
9d2f7342d powerpc/via-pmu: ... |
835 836 |
seq_printf(m, " %2u: %10u (%s) ", |
1da177e4c Linux-2.6.12-rc2 |
837 838 |
i, pmu_irq_stats[i], irq_names[i]); } |
9d2f7342d powerpc/via-pmu: ... |
839 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
840 |
} |
9d2f7342d powerpc/via-pmu: ... |
841 |
static int pmu_irqstats_proc_open(struct inode *inode, struct file *file) |
1da177e4c Linux-2.6.12-rc2 |
842 |
{ |
9d2f7342d powerpc/via-pmu: ... |
843 844 845 846 847 848 849 850 851 852 853 854 855 856 |
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; |
1da177e4c Linux-2.6.12-rc2 |
857 |
|
9d2f7342d powerpc/via-pmu: ... |
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 |
seq_putc(m, ' '); seq_printf(m, "flags : %08x ", pmu_batteries[batnum].flags); seq_printf(m, "charge : %d ", pmu_batteries[batnum].charge); seq_printf(m, "max_charge : %d ", pmu_batteries[batnum].max_charge); seq_printf(m, "current : %d ", pmu_batteries[batnum].amperage); seq_printf(m, "voltage : %d ", pmu_batteries[batnum].voltage); seq_printf(m, "time rem. : %d ", pmu_batteries[batnum].time_remaining); return 0; |
1da177e4c Linux-2.6.12-rc2 |
873 |
} |
1da177e4c Linux-2.6.12-rc2 |
874 |
|
9d2f7342d powerpc/via-pmu: ... |
875 |
static int pmu_battery_proc_open(struct inode *inode, struct file *file) |
1da177e4c Linux-2.6.12-rc2 |
876 |
{ |
9d2f7342d powerpc/via-pmu: ... |
877 878 |
return single_open(file, pmu_battery_proc_show, PDE(inode)->data); } |
1da177e4c Linux-2.6.12-rc2 |
879 |
|
9d2f7342d powerpc/via-pmu: ... |
880 881 882 883 884 885 886 887 888 889 |
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) { |
f91266edb [POWERPC] powerma... |
890 |
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
1da177e4c Linux-2.6.12-rc2 |
891 892 |
if (pmu_kind == PMU_KEYLARGO_BASED && pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0) |
9d2f7342d powerpc/via-pmu: ... |
893 894 |
seq_printf(m, "lid_wakeup=%d ", option_lid_wakeup); |
8c8709334 [PATCH] ppc32: Re... |
895 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
896 |
if (pmu_kind == PMU_KEYLARGO_BASED) |
9d2f7342d powerpc/via-pmu: ... |
897 898 |
seq_printf(m, "server_mode=%d ", option_server_mode); |
1da177e4c Linux-2.6.12-rc2 |
899 |
|
9d2f7342d powerpc/via-pmu: ... |
900 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
901 |
} |
9d2f7342d powerpc/via-pmu: ... |
902 903 904 905 906 907 908 909 |
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) |
1da177e4c Linux-2.6.12-rc2 |
910 911 912 |
{ char tmp[33]; char *label, *val; |
9d2f7342d powerpc/via-pmu: ... |
913 |
size_t fcount = count; |
1da177e4c Linux-2.6.12-rc2 |
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 |
if (!count) return -EINVAL; if (count > 32) count = 32; if (copy_from_user(tmp, buffer, count)) return -EFAULT; tmp[count] = 0; label = tmp; while(*label == ' ') label++; val = label; while(*val && (*val != '=')) { if (*val == ' ') *val = 0; val++; } if ((*val) == 0) return -EINVAL; *(val++) = 0; while(*val == ' ') val++; |
f91266edb [POWERPC] powerma... |
937 |
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
1da177e4c Linux-2.6.12-rc2 |
938 939 940 941 |
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'); |
8c8709334 [PATCH] ppc32: Re... |
942 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
943 944 945 946 947 948 949 950 |
if (pmu_kind == PMU_KEYLARGO_BASED && !strcmp(label, "server_mode")) { int new_value; new_value = ((*val) == '1'); if (new_value != option_server_mode) pmu_set_server_mode(new_value); } return fcount; } |
9d2f7342d powerpc/via-pmu: ... |
951 952 953 954 955 956 957 958 |
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, }; |
1da177e4c Linux-2.6.12-rc2 |
959 960 |
#ifdef CONFIG_ADB /* Send an ADB command */ |
11a50873e powerpc/pmac: Fix... |
961 |
static int pmu_send_request(struct adb_request *req, int sync) |
1da177e4c Linux-2.6.12-rc2 |
962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 |
{ int i, ret; if ((vias == NULL) || (!pmu_fully_inited)) { req->complete = 1; return -ENXIO; } ret = -EINVAL; switch (req->data[0]) { case PMU_PACKET: for (i = 0; i < req->nbytes - 1; ++i) req->data[i] = req->data[i+1]; --req->nbytes; if (pmu_data_len[req->data[0]][1] != 0) { req->reply[0] = ADB_RET_OK; req->reply_len = 1; } else req->reply_len = 0; ret = pmu_queue_request(req); break; case CUDA_PACKET: switch (req->data[1]) { case CUDA_GET_TIME: if (req->nbytes != 2) break; req->data[0] = PMU_READ_RTC; req->nbytes = 1; req->reply_len = 3; req->reply[0] = CUDA_PACKET; req->reply[1] = 0; req->reply[2] = CUDA_GET_TIME; ret = pmu_queue_request(req); break; case CUDA_SET_TIME: if (req->nbytes != 6) break; req->data[0] = PMU_SET_RTC; req->nbytes = 5; for (i = 1; i <= 4; ++i) req->data[i] = req->data[i+1]; req->reply_len = 3; req->reply[0] = CUDA_PACKET; req->reply[1] = 0; req->reply[2] = CUDA_SET_TIME; ret = pmu_queue_request(req); break; } break; case ADB_PACKET: if (!pmu_has_adb) return -ENXIO; for (i = req->nbytes - 1; i > 1; --i) req->data[i+2] = req->data[i]; req->data[3] = req->nbytes - 2; req->data[2] = pmu_adb_flags; /*req->data[1] = req->data[1];*/ req->data[0] = PMU_ADB_CMD; req->nbytes += 2; req->reply_expected = 1; req->reply_len = 0; ret = pmu_queue_request(req); break; } if (ret) { req->complete = 1; return ret; } if (sync) while (!req->complete) pmu_poll(); return 0; } /* Enable/disable autopolling */ |
11a50873e powerpc/pmac: Fix... |
1040 |
static int __pmu_adb_autopoll(int devs) |
1da177e4c Linux-2.6.12-rc2 |
1041 1042 |
{ struct adb_request req; |
1da177e4c Linux-2.6.12-rc2 |
1043 |
if (devs) { |
1da177e4c Linux-2.6.12-rc2 |
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 |
pmu_request(&req, NULL, 5, PMU_ADB_CMD, 0, 0x86, adb_dev_map >> 8, adb_dev_map); pmu_adb_flags = 2; } else { pmu_request(&req, NULL, 1, PMU_ADB_POLL_OFF); pmu_adb_flags = 0; } while (!req.complete) pmu_poll(); return 0; } |
11a50873e powerpc/pmac: Fix... |
1055 1056 1057 1058 1059 1060 1061 1062 |
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); } |
1da177e4c Linux-2.6.12-rc2 |
1063 |
/* Reset the ADB bus */ |
11a50873e powerpc/pmac: Fix... |
1064 |
static int pmu_adb_reset_bus(void) |
1da177e4c Linux-2.6.12-rc2 |
1065 1066 1067 1068 1069 1070 1071 1072 |
{ struct adb_request req; int save_autopoll = adb_dev_map; if ((vias == NULL) || (!pmu_fully_inited) || !pmu_has_adb) return -ENXIO; /* anyone got a better idea?? */ |
11a50873e powerpc/pmac: Fix... |
1073 |
__pmu_adb_autopoll(0); |
1da177e4c Linux-2.6.12-rc2 |
1074 |
|
11a50873e powerpc/pmac: Fix... |
1075 |
req.nbytes = 4; |
1da177e4c Linux-2.6.12-rc2 |
1076 1077 |
req.done = NULL; req.data[0] = PMU_ADB_CMD; |
11a50873e powerpc/pmac: Fix... |
1078 1079 |
req.data[1] = ADB_BUSRESET; req.data[2] = 0; |
1da177e4c Linux-2.6.12-rc2 |
1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 |
req.data[3] = 0; req.data[4] = 0; req.reply_len = 0; req.reply_expected = 1; if (pmu_queue_request(&req) != 0) { printk(KERN_ERR "pmu_adb_reset_bus: pmu_queue_request failed "); return -EIO; } pmu_wait_complete(&req); if (save_autopoll != 0) |
11a50873e powerpc/pmac: Fix... |
1092 |
__pmu_adb_autopoll(save_autopoll); |
1da177e4c Linux-2.6.12-rc2 |
1093 1094 1095 1096 1097 1098 |
return 0; } #endif /* CONFIG_ADB */ /* Construct and send a pmu request */ |
aacaf9bd9 [PATCH] powerpc: ... |
1099 |
int |
1da177e4c Linux-2.6.12-rc2 |
1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 |
pmu_request(struct adb_request *req, void (*done)(struct adb_request *), int nbytes, ...) { va_list list; int i; if (vias == NULL) return -ENXIO; if (nbytes < 0 || nbytes > 32) { printk(KERN_ERR "pmu_request: bad nbytes (%d) ", nbytes); req->complete = 1; return -EINVAL; } req->nbytes = nbytes; req->done = done; va_start(list, nbytes); for (i = 0; i < nbytes; ++i) req->data[i] = va_arg(list, int); va_end(list); req->reply_len = 0; req->reply_expected = 0; return pmu_queue_request(req); } |
aacaf9bd9 [PATCH] powerpc: ... |
1125 |
int |
1da177e4c Linux-2.6.12-rc2 |
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 |
pmu_queue_request(struct adb_request *req) { unsigned long flags; int nsend; if (via == NULL) { req->complete = 1; return -ENXIO; } if (req->nbytes <= 0) { req->complete = 1; return 0; } nsend = pmu_data_len[req->data[0]][0]; if (nsend >= 0 && req->nbytes != nsend + 1) { req->complete = 1; return -EINVAL; } req->next = NULL; req->sent = 0; req->complete = 0; spin_lock_irqsave(&pmu_lock, flags); if (current_req != 0) { last_req->next = req; last_req = req; } else { current_req = req; last_req = req; if (pmu_state == idle) pmu_start(); } spin_unlock_irqrestore(&pmu_lock, flags); return 0; } static inline void wait_for_ack(void) { /* Sightly increased the delay, I had one occurrence of the message * reported */ int timeout = 4000; while ((in_8(&via[B]) & TACK) == 0) { if (--timeout < 0) { printk(KERN_ERR "PMU not responding (!ack) "); return; } udelay(10); } } /* New PMU seems to be very sensitive to those timings, so we make sure * PCI is flushed immediately */ static inline void send_byte(int x) { volatile unsigned char __iomem *v = via; out_8(&v[ACR], in_8(&v[ACR]) | SR_OUT | SR_EXT); out_8(&v[SR], x); out_8(&v[B], in_8(&v[B]) & ~TREQ); /* assert TREQ */ (void)in_8(&v[B]); } static inline void recv_byte(void) { volatile unsigned char __iomem *v = via; out_8(&v[ACR], (in_8(&v[ACR]) & ~SR_OUT) | SR_EXT); in_8(&v[SR]); /* resets SR */ out_8(&v[B], in_8(&v[B]) & ~TREQ); (void)in_8(&v[B]); } static inline void pmu_done(struct adb_request *req) { void (*done)(struct adb_request *) = req->done; mb(); req->complete = 1; /* Here, we assume that if the request has a done member, the * struct request will survive to setting req->complete to 1 */ if (done) (*done)(req); } |
aacaf9bd9 [PATCH] powerpc: ... |
1217 |
static void |
1da177e4c Linux-2.6.12-rc2 |
1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 |
pmu_start(void) { struct adb_request *req; /* assert pmu_state == idle */ /* get the packet to send */ req = current_req; if (req == 0 || pmu_state != idle || (/*req->reply_expected && */req_awaiting_reply)) return; pmu_state = sending; data_index = 1; data_len = pmu_data_len[req->data[0]][0]; /* Sounds safer to make sure ACK is high before writing. This helped * kill a problem with ADB and some iBooks */ wait_for_ack(); /* set the shift register to shift out and send a byte */ send_byte(req->data[0]); } |
aacaf9bd9 [PATCH] powerpc: ... |
1240 |
void |
1da177e4c Linux-2.6.12-rc2 |
1241 1242 1243 1244 1245 1246 |
pmu_poll(void) { if (!via) return; if (disable_poll) return; |
7d12e780e IRQ: Maintain reg... |
1247 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1248 |
} |
aacaf9bd9 [PATCH] powerpc: ... |
1249 |
void |
1da177e4c Linux-2.6.12-rc2 |
1250 1251 1252 1253 1254 1255 1256 1257 1258 |
pmu_poll_adb(void) { if (!via) return; if (disable_poll) return; /* Kicks ADB read when PMU is suspended */ adb_int_pending = 1; do { |
7d12e780e IRQ: Maintain reg... |
1259 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1260 1261 1262 |
} while (pmu_suspended && (adb_int_pending || pmu_state != idle || req_awaiting_reply)); } |
aacaf9bd9 [PATCH] powerpc: ... |
1263 |
void |
1da177e4c Linux-2.6.12-rc2 |
1264 1265 1266 1267 1268 |
pmu_wait_complete(struct adb_request *req) { if (!via) return; while((pmu_state != idle && pmu_state != locked) || !req->complete) |
7d12e780e IRQ: Maintain reg... |
1269 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1270 1271 1272 1273 1274 1275 1276 |
} /* This function loops until the PMU is idle and prevents it from * anwsering to ADB interrupts. pmu_request can still be called. * This is done to avoid spurrious shutdowns when we know we'll have * interrupts switched off for a long time */ |
aacaf9bd9 [PATCH] powerpc: ... |
1277 |
void |
1da177e4c Linux-2.6.12-rc2 |
1278 1279 1280 |
pmu_suspend(void) { unsigned long flags; |
1b0e9d44e [POWERPC] PMU: Re... |
1281 |
|
1da177e4c Linux-2.6.12-rc2 |
1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 |
if (!via) return; spin_lock_irqsave(&pmu_lock, flags); pmu_suspended++; if (pmu_suspended > 1) { spin_unlock_irqrestore(&pmu_lock, flags); return; } do { spin_unlock_irqrestore(&pmu_lock, flags); if (req_awaiting_reply) adb_int_pending = 1; |
7d12e780e IRQ: Maintain reg... |
1296 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1297 1298 |
spin_lock_irqsave(&pmu_lock, flags); if (!adb_int_pending && pmu_state == idle && !req_awaiting_reply) { |
1da177e4c Linux-2.6.12-rc2 |
1299 1300 1301 1302 |
if (gpio_irq >= 0) disable_irq_nosync(gpio_irq); out_8(&via[IER], CB1_INT | IER_CLR); spin_unlock_irqrestore(&pmu_lock, flags); |
1da177e4c Linux-2.6.12-rc2 |
1303 1304 1305 1306 |
break; } } while (1); } |
aacaf9bd9 [PATCH] powerpc: ... |
1307 |
void |
1da177e4c Linux-2.6.12-rc2 |
1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 |
pmu_resume(void) { unsigned long flags; if (!via || (pmu_suspended < 1)) return; spin_lock_irqsave(&pmu_lock, flags); pmu_suspended--; if (pmu_suspended > 0) { spin_unlock_irqrestore(&pmu_lock, flags); return; } adb_int_pending = 1; |
1da177e4c Linux-2.6.12-rc2 |
1322 1323 1324 1325 1326 |
if (gpio_irq >= 0) enable_irq(gpio_irq); out_8(&via[IER], CB1_INT | IER_SET); spin_unlock_irqrestore(&pmu_lock, flags); pmu_poll(); |
1da177e4c Linux-2.6.12-rc2 |
1327 1328 1329 |
} /* Interrupt data could be the result data from an ADB cmd */ |
aacaf9bd9 [PATCH] powerpc: ... |
1330 |
static void |
7d12e780e IRQ: Maintain reg... |
1331 |
pmu_handle_data(unsigned char *data, int len) |
1da177e4c Linux-2.6.12-rc2 |
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 |
{ unsigned char ints, pirq; int i = 0; asleep = 0; if (drop_interrupts || len < 1) { adb_int_pending = 0; pmu_irq_stats[8]++; return; } /* Get PMU interrupt mask */ ints = data[0]; /* Record zero interrupts for stats */ if (ints == 0) pmu_irq_stats[9]++; /* Hack to deal with ADB autopoll flag */ if (ints & PMU_INT_ADB) ints &= ~(PMU_INT_ADB_AUTO | PMU_INT_AUTO_SRQ_POLL); next: if (ints == 0) { if (i > pmu_irq_stats[10]) pmu_irq_stats[10] = i; return; } for (pirq = 0; pirq < 8; pirq++) if (ints & (1 << pirq)) break; pmu_irq_stats[pirq]++; i++; ints &= ~(1 << pirq); /* Note: for some reason, we get an interrupt with len=1, * data[0]==0 after each normal ADB interrupt, at least * on the Pismo. Still investigating... --BenH */ if ((1 << pirq) & PMU_INT_ADB) { if ((data[0] & PMU_INT_ADB_AUTO) == 0) { struct adb_request *req = req_awaiting_reply; if (req == 0) { printk(KERN_ERR "PMU: extra ADB reply "); return; } req_awaiting_reply = NULL; if (len <= 2) req->reply_len = 0; else { memcpy(req->reply, data + 1, len - 1); req->reply_len = len - 1; } pmu_done(req); } else { |
1da177e4c Linux-2.6.12-rc2 |
1390 1391 1392 1393 1394 1395 1396 |
if (len == 4 && data[1] == 0x2c) { extern int xmon_wants_key, xmon_adb_keycode; if (xmon_wants_key) { xmon_adb_keycode = data[2]; return; } } |
1da177e4c Linux-2.6.12-rc2 |
1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 |
#ifdef CONFIG_ADB /* * XXX On the [23]400 the PMU gives us an up * event for keycodes 0x74 or 0x75 when the PC * card eject buttons are released, so we * ignore those events. */ if (!(pmu_kind == PMU_OHARE_BASED && len == 4 && data[1] == 0x2c && data[3] == 0xff && (data[2] & ~1) == 0xf4)) |
7d12e780e IRQ: Maintain reg... |
1407 |
adb_input(data+1, len-1, 1); |
1da177e4c Linux-2.6.12-rc2 |
1408 1409 1410 1411 1412 1413 1414 |
#endif /* CONFIG_ADB */ } } /* Sound/brightness button pressed */ else if ((1 << pirq) & PMU_INT_SNDBRT) { #ifdef CONFIG_PMAC_BACKLIGHT if (len == 3) |
4b755999d [PATCH] powermac:... |
1415 1416 |
pmac_backlight_set_legacy_brightness_pmu(data[1] >> 4); #endif |
1da177e4c Linux-2.6.12-rc2 |
1417 1418 1419 |
} /* Tick interrupt */ else if ((1 << pirq) & PMU_INT_TICK) { |
1da177e4c Linux-2.6.12-rc2 |
1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 |
/* Environement or tick interrupt, query batteries */ if (pmu_battery_count) { if ((--query_batt_timer) == 0) { query_battery_state(); query_batt_timer = BATTERY_POLLING_COUNT; } } } else if ((1 << pirq) & PMU_INT_ENVIRONMENT) { if (pmu_battery_count) query_battery_state(); pmu_pass_intr(data, len); |
9e8e30a0c Input: via-pmu - ... |
1432 1433 1434 1435 1436 1437 |
/* len == 6 is probably a bad check. But how do I * know what PMU versions send what events here? */ if (len == 6) { via_pmu_event(PMU_EVT_POWER, !!(data[1]&8)); via_pmu_event(PMU_EVT_LID, data[1]&1); } |
1da177e4c Linux-2.6.12-rc2 |
1438 1439 |
} else { pmu_pass_intr(data, len); |
1da177e4c Linux-2.6.12-rc2 |
1440 1441 1442 |
} goto next; } |
aacaf9bd9 [PATCH] powerpc: ... |
1443 |
static struct adb_request* |
7d12e780e IRQ: Maintain reg... |
1444 |
pmu_sr_intr(void) |
1da177e4c Linux-2.6.12-rc2 |
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 |
{ struct adb_request *req; int bite = 0; if (via[B] & TREQ) { printk(KERN_ERR "PMU: spurious SR intr (%x) ", via[B]); out_8(&via[IFR], SR_INT); return NULL; } /* The ack may not yet be low when we get the interrupt */ while ((in_8(&via[B]) & TACK) != 0) ; /* if reading grab the byte, and reset the interrupt */ if (pmu_state == reading || pmu_state == reading_intr) bite = in_8(&via[SR]); /* reset TREQ and wait for TACK to go high */ out_8(&via[B], in_8(&via[B]) | TREQ); wait_for_ack(); switch (pmu_state) { case sending: req = current_req; if (data_len < 0) { data_len = req->nbytes - 1; send_byte(data_len); break; } if (data_index <= data_len) { send_byte(req->data[data_index++]); break; } req->sent = 1; data_len = pmu_data_len[req->data[0]][1]; if (data_len == 0) { pmu_state = idle; current_req = req->next; if (req->reply_expected) req_awaiting_reply = req; else return req; } else { pmu_state = reading; data_index = 0; reply_ptr = req->reply + req->reply_len; recv_byte(); } break; case intack: data_index = 0; data_len = -1; pmu_state = reading_intr; reply_ptr = interrupt_data[int_data_last]; recv_byte(); if (gpio_irq >= 0 && !gpio_irq_enabled) { enable_irq(gpio_irq); gpio_irq_enabled = 1; } break; case reading: case reading_intr: if (data_len == -1) { data_len = bite; if (bite > 32) printk(KERN_ERR "PMU: bad reply len %d ", bite); } else if (data_index < 32) { reply_ptr[data_index++] = bite; } if (data_index < data_len) { recv_byte(); break; } if (pmu_state == reading_intr) { pmu_state = idle; int_data_state[int_data_last] = int_data_ready; interrupt_data_len[int_data_last] = data_len; } else { req = current_req; /* * For PMU sleep and freq change requests, we lock the |
c03983ac9 Spelling fix: exp... |
1531 |
* PMU until it's explicitly unlocked. This avoids any |
1da177e4c Linux-2.6.12-rc2 |
1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 |
* spurrious event polling getting in */ current_req = req->next; req->reply_len += data_index; if (req->data[0] == PMU_SLEEP || req->data[0] == PMU_CPU_SPEED) pmu_state = locked; else pmu_state = idle; return req; } break; default: printk(KERN_ERR "via_pmu_interrupt: unknown state %d? ", pmu_state); } return NULL; } |
aacaf9bd9 [PATCH] powerpc: ... |
1551 |
static irqreturn_t |
7d12e780e IRQ: Maintain reg... |
1552 |
via_pmu_interrupt(int irq, void *arg) |
1da177e4c Linux-2.6.12-rc2 |
1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 |
{ unsigned long flags; int intr; int nloop = 0; int int_data = -1; struct adb_request *req = NULL; int handled = 0; /* This is a bit brutal, we can probably do better */ spin_lock_irqsave(&pmu_lock, flags); ++disable_poll; for (;;) { intr = in_8(&via[IFR]) & (SR_INT | CB1_INT); if (intr == 0) break; handled = 1; if (++nloop > 1000) { printk(KERN_DEBUG "PMU: stuck in intr loop, " "intr=%x, ier=%x pmu_state=%d ", intr, in_8(&via[IER]), pmu_state); break; } out_8(&via[IFR], intr); if (intr & CB1_INT) { adb_int_pending = 1; pmu_irq_stats[0]++; } if (intr & SR_INT) { |
7d12e780e IRQ: Maintain reg... |
1583 |
req = pmu_sr_intr(); |
1da177e4c Linux-2.6.12-rc2 |
1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 |
if (req) break; } } recheck: if (pmu_state == idle) { if (adb_int_pending) { if (int_data_state[0] == int_data_empty) int_data_last = 0; else if (int_data_state[1] == int_data_empty) int_data_last = 1; else goto no_free_slot; pmu_state = intack; int_data_state[int_data_last] = int_data_fill; /* Sounds safer to make sure ACK is high before writing. * This helped kill a problem with ADB and some iBooks */ wait_for_ack(); send_byte(PMU_INT_ACK); adb_int_pending = 0; } else if (current_req) pmu_start(); } no_free_slot: /* Mark the oldest buffer for flushing */ if (int_data_state[!int_data_last] == int_data_ready) { int_data_state[!int_data_last] = int_data_flush; int_data = !int_data_last; } else if (int_data_state[int_data_last] == int_data_ready) { int_data_state[int_data_last] = int_data_flush; int_data = int_data_last; } --disable_poll; spin_unlock_irqrestore(&pmu_lock, flags); /* Deal with completed PMU requests outside of the lock */ if (req) { pmu_done(req); req = NULL; } /* Deal with interrupt datas outside of the lock */ if (int_data >= 0) { |
7d12e780e IRQ: Maintain reg... |
1629 |
pmu_handle_data(interrupt_data[int_data], interrupt_data_len[int_data]); |
1da177e4c Linux-2.6.12-rc2 |
1630 1631 1632 1633 1634 1635 1636 1637 1638 |
spin_lock_irqsave(&pmu_lock, flags); ++disable_poll; int_data_state[int_data] = int_data_empty; int_data = -1; goto recheck; } return IRQ_RETVAL(handled); } |
aacaf9bd9 [PATCH] powerpc: ... |
1639 |
void |
1da177e4c Linux-2.6.12-rc2 |
1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 |
pmu_unlock(void) { unsigned long flags; spin_lock_irqsave(&pmu_lock, flags); if (pmu_state == locked) pmu_state = idle; adb_int_pending = 1; spin_unlock_irqrestore(&pmu_lock, flags); } |
aacaf9bd9 [PATCH] powerpc: ... |
1650 |
static irqreturn_t |
7d12e780e IRQ: Maintain reg... |
1651 |
gpio1_interrupt(int irq, void *arg) |
1da177e4c Linux-2.6.12-rc2 |
1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 |
{ unsigned long flags; if ((in_8(gpio_reg + 0x9) & 0x02) == 0) { spin_lock_irqsave(&pmu_lock, flags); if (gpio_irq_enabled > 0) { disable_irq_nosync(gpio_irq); gpio_irq_enabled = 0; } pmu_irq_stats[1]++; adb_int_pending = 1; spin_unlock_irqrestore(&pmu_lock, flags); |
7d12e780e IRQ: Maintain reg... |
1664 |
via_pmu_interrupt(0, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1665 1666 1667 1668 |
return IRQ_HANDLED; } return IRQ_NONE; } |
aacaf9bd9 [PATCH] powerpc: ... |
1669 |
void |
1da177e4c Linux-2.6.12-rc2 |
1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 |
pmu_enable_irled(int on) { struct adb_request req; if (vias == NULL) return ; if (pmu_kind == PMU_KEYLARGO_BASED) return ; pmu_request(&req, NULL, 2, PMU_POWER_CTRL, PMU_POW_IRLED | (on ? PMU_POW_ON : PMU_POW_OFF)); pmu_wait_complete(&req); } |
aacaf9bd9 [PATCH] powerpc: ... |
1683 |
void |
1da177e4c Linux-2.6.12-rc2 |
1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 |
pmu_restart(void) { struct adb_request req; if (via == NULL) return; local_irq_disable(); drop_interrupts = 1; if (pmu_kind != PMU_KEYLARGO_BASED) { pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, PMU_INT_ADB | PMU_INT_TICK ); while(!req.complete) pmu_poll(); } pmu_request(&req, NULL, 1, PMU_RESET); pmu_wait_complete(&req); for (;;) ; } |
aacaf9bd9 [PATCH] powerpc: ... |
1707 |
void |
1da177e4c Linux-2.6.12-rc2 |
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 |
pmu_shutdown(void) { struct adb_request req; if (via == NULL) return; local_irq_disable(); drop_interrupts = 1; if (pmu_kind != PMU_KEYLARGO_BASED) { pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, PMU_INT_ADB | PMU_INT_TICK ); pmu_wait_complete(&req); } else { /* Disable server mode on shutdown or we'll just * wake up again */ pmu_set_server_mode(0); } pmu_request(&req, NULL, 5, PMU_SHUTDOWN, 'M', 'A', 'T', 'T'); pmu_wait_complete(&req); for (;;) ; } int pmu_present(void) { return via != 0; } |
f91266edb [POWERPC] powerma... |
1742 |
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
1da177e4c Linux-2.6.12-rc2 |
1743 1744 1745 1746 |
/* * Put the powerbook to sleep. */ |
aacaf9bd9 [PATCH] powerpc: ... |
1747 |
static u32 save_via[8]; |
1da177e4c Linux-2.6.12-rc2 |
1748 |
|
aacaf9bd9 [PATCH] powerpc: ... |
1749 |
static void |
1da177e4c Linux-2.6.12-rc2 |
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 |
save_via_state(void) { save_via[0] = in_8(&via[ANH]); save_via[1] = in_8(&via[DIRA]); save_via[2] = in_8(&via[B]); save_via[3] = in_8(&via[DIRB]); save_via[4] = in_8(&via[PCR]); save_via[5] = in_8(&via[ACR]); save_via[6] = in_8(&via[T1CL]); save_via[7] = in_8(&via[T1CH]); } |
aacaf9bd9 [PATCH] powerpc: ... |
1761 |
static void |
1da177e4c Linux-2.6.12-rc2 |
1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 |
restore_via_state(void) { out_8(&via[ANH], save_via[0]); out_8(&via[DIRA], save_via[1]); out_8(&via[B], save_via[2]); out_8(&via[DIRB], save_via[3]); out_8(&via[PCR], save_via[4]); out_8(&via[ACR], save_via[5]); out_8(&via[T1CL], save_via[6]); out_8(&via[T1CH], save_via[7]); out_8(&via[IER], IER_CLR | 0x7f); /* disable all intrs */ out_8(&via[IFR], 0x7f); /* clear IFR */ out_8(&via[IER], IER_SET | SR_INT | CB1_INT); } |
1da177e4c Linux-2.6.12-rc2 |
1776 1777 1778 1779 |
#define GRACKLE_PM (1<<7) #define GRACKLE_DOZE (1<<5) #define GRACKLE_NAP (1<<4) #define GRACKLE_SLEEP (1<<3) |
3bea63136 [PATCH] powerpc: ... |
1780 |
static int powerbook_sleep_grackle(void) |
1da177e4c Linux-2.6.12-rc2 |
1781 1782 1783 1784 |
{ unsigned long save_l2cr; unsigned short pmcr1; struct adb_request req; |
1da177e4c Linux-2.6.12-rc2 |
1785 |
struct pci_dev *grackle; |
c78f83054 [POWERPC] via-pmu... |
1786 |
grackle = pci_get_bus_and_slot(0, 0); |
1da177e4c Linux-2.6.12-rc2 |
1787 1788 |
if (!grackle) return -ENODEV; |
1da177e4c Linux-2.6.12-rc2 |
1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 |
/* Turn off various things. Darwin does some retry tests here... */ pmu_request(&req, NULL, 2, PMU_POWER_CTRL0, PMU_POW0_OFF|PMU_POW0_HARD_DRIVE); pmu_wait_complete(&req); pmu_request(&req, NULL, 2, PMU_POWER_CTRL, PMU_POW_OFF|PMU_POW_BACKLIGHT|PMU_POW_IRLED|PMU_POW_MEDIABAY); pmu_wait_complete(&req); /* For 750, save backside cache setting and disable it */ save_l2cr = _get_L2CR(); /* (returns -1 if not available) */ if (!__fake_sleep) { /* Ask the PMU to put us to sleep */ pmu_request(&req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T'); pmu_wait_complete(&req); } /* The VIA is supposed not to be restored correctly*/ save_via_state(); /* We shut down some HW */ pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,1); pci_read_config_word(grackle, 0x70, &pmcr1); /* Apparently, MacOS uses NAP mode for Grackle ??? */ pmcr1 &= ~(GRACKLE_DOZE|GRACKLE_SLEEP); pmcr1 |= GRACKLE_PM|GRACKLE_NAP; pci_write_config_word(grackle, 0x70, pmcr1); /* Call low-level ASM sleep handler */ if (__fake_sleep) mdelay(5000); else low_sleep_handler(); /* We're awake again, stop grackle PM */ pci_read_config_word(grackle, 0x70, &pmcr1); pmcr1 &= ~(GRACKLE_PM|GRACKLE_DOZE|GRACKLE_SLEEP|GRACKLE_NAP); pci_write_config_word(grackle, 0x70, pmcr1); |
c78f83054 [POWERPC] via-pmu... |
1826 |
pci_dev_put(grackle); |
1da177e4c Linux-2.6.12-rc2 |
1827 1828 1829 1830 1831 1832 1833 1834 1835 |
/* Make sure the PMU is idle */ pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,0); restore_via_state(); /* Restore L2 cache */ if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0) _set_L2CR(save_l2cr); /* Restore userland MMU context */ |
5e696617c powerpc/mm: Split... |
1836 |
switch_mmu_context(NULL, current->active_mm); |
1da177e4c Linux-2.6.12-rc2 |
1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 |
/* Power things up */ pmu_unlock(); pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask); pmu_wait_complete(&req); pmu_request(&req, NULL, 2, PMU_POWER_CTRL0, PMU_POW0_ON|PMU_POW0_HARD_DRIVE); pmu_wait_complete(&req); pmu_request(&req, NULL, 2, PMU_POWER_CTRL, PMU_POW_ON|PMU_POW_BACKLIGHT|PMU_POW_CHARGER|PMU_POW_IRLED|PMU_POW_MEDIABAY); pmu_wait_complete(&req); |
1da177e4c Linux-2.6.12-rc2 |
1848 1849 |
return 0; } |
aacaf9bd9 [PATCH] powerpc: ... |
1850 |
static int |
1da177e4c Linux-2.6.12-rc2 |
1851 1852 1853 1854 1855 |
powerbook_sleep_Core99(void) { unsigned long save_l2cr; unsigned long save_l3cr; struct adb_request req; |
1da177e4c Linux-2.6.12-rc2 |
1856 1857 1858 1859 1860 1861 1862 1863 1864 |
if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0) { printk(KERN_ERR "Sleep mode not supported on this machine "); return -ENOSYS; } if (num_online_cpus() > 1 || cpu_is_offline(0)) return -EAGAIN; |
b16eeb472 [PATCH] ppc32: Fi... |
1865 1866 1867 |
/* Stop environment and ADB interrupts */ pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0); pmu_wait_complete(&req); |
1da177e4c Linux-2.6.12-rc2 |
1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 |
/* Tell PMU what events will wake us up */ pmu_request(&req, NULL, 4, PMU_POWER_EVENTS, PMU_PWR_CLR_WAKEUP_EVENTS, 0xff, 0xff); pmu_wait_complete(&req); pmu_request(&req, NULL, 4, PMU_POWER_EVENTS, PMU_PWR_SET_WAKEUP_EVENTS, 0, PMU_PWR_WAKEUP_KEY | (option_lid_wakeup ? PMU_PWR_WAKEUP_LID_OPEN : 0)); pmu_wait_complete(&req); /* 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 (!__fake_sleep) { /* Ask the PMU to put us to sleep */ pmu_request(&req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T'); pmu_wait_complete(&req); } /* The VIA is supposed not to be restored correctly*/ save_via_state(); /* Shut down various ASICs. There's a chance that we can no longer * 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); /* Call low-level ASM sleep handler */ if (__fake_sleep) mdelay(5000); else low_sleep_handler(); /* Restore Apple core ASICs state */ pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 0); /* Restore VIA */ restore_via_state(); |
0086b5ec7 [PATCH] ppc32: Fi... |
1908 1909 |
/* tweak LPJ before cpufreq is there */ loops_per_jiffy *= 2; |
1da177e4c Linux-2.6.12-rc2 |
1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 |
/* Restore video */ pmac_call_early_video_resume(); /* Restore L2 cache */ if (save_l2cr != 0xffffffff && (save_l2cr & L2CR_L2E) != 0) _set_L2CR(save_l2cr); /* Restore L3 cache */ if (save_l3cr != 0xffffffff && (save_l3cr & L3CR_L3E) != 0) _set_L3CR(save_l3cr); /* Restore userland MMU context */ |
5e696617c powerpc/mm: Split... |
1921 |
switch_mmu_context(NULL, current->active_mm); |
1da177e4c Linux-2.6.12-rc2 |
1922 1923 1924 1925 1926 1927 1928 |
/* Tell PMU we are ready */ pmu_unlock(); pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2); pmu_wait_complete(&req); pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask); pmu_wait_complete(&req); |
0086b5ec7 [PATCH] ppc32: Fi... |
1929 1930 |
/* Restore LPJ, cpufreq will adjust the cpu frequency */ loops_per_jiffy /= 2; |
1da177e4c Linux-2.6.12-rc2 |
1931 1932 1933 1934 1935 |
return 0; } #define PB3400_MEM_CTRL 0xf8000000 #define PB3400_MEM_CTRL_SLEEP 0x70 |
887ef35ae [POWERPC] Fix sle... |
1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 |
static void __iomem *pb3400_mem_ctrl; static void powerbook_sleep_init_3400(void) { /* map in the memory controller registers */ pb3400_mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100); if (pb3400_mem_ctrl == NULL) printk(KERN_WARNING "ioremap failed: sleep won't be possible"); } static int powerbook_sleep_3400(void) |
1da177e4c Linux-2.6.12-rc2 |
1947 |
{ |
f91266edb [POWERPC] powerma... |
1948 |
int i, x; |
1da177e4c Linux-2.6.12-rc2 |
1949 |
unsigned int hid0; |
887ef35ae [POWERPC] Fix sle... |
1950 |
unsigned long msr; |
1da177e4c Linux-2.6.12-rc2 |
1951 |
struct adb_request sleep_req; |
1da177e4c Linux-2.6.12-rc2 |
1952 |
unsigned int __iomem *mem_ctrl_sleep; |
887ef35ae [POWERPC] Fix sle... |
1953 |
if (pb3400_mem_ctrl == NULL) |
1da177e4c Linux-2.6.12-rc2 |
1954 |
return -ENOMEM; |
887ef35ae [POWERPC] Fix sle... |
1955 |
mem_ctrl_sleep = pb3400_mem_ctrl + PB3400_MEM_CTRL_SLEEP; |
1da177e4c Linux-2.6.12-rc2 |
1956 |
|
1da177e4c Linux-2.6.12-rc2 |
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 |
/* Set the memory controller to keep the memory refreshed while we're asleep */ for (i = 0x403f; i >= 0x4000; --i) { out_be32(mem_ctrl_sleep, i); do { x = (in_be32(mem_ctrl_sleep) >> 16) & 0x3ff; } while (x == 0); if (x >= 0x100) break; } /* Ask the PMU to put us to sleep */ pmu_request(&sleep_req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T'); |
887ef35ae [POWERPC] Fix sle... |
1970 1971 |
pmu_wait_complete(&sleep_req); pmu_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1972 |
|
887ef35ae [POWERPC] Fix sle... |
1973 |
pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 1); |
1da177e4c Linux-2.6.12-rc2 |
1974 |
|
1da177e4c Linux-2.6.12-rc2 |
1975 1976 1977 |
asleep = 1; /* Put the CPU into sleep mode */ |
21fe3301f [PATCH] ppc: fix ... |
1978 |
hid0 = mfspr(SPRN_HID0); |
1da177e4c Linux-2.6.12-rc2 |
1979 |
hid0 = (hid0 & ~(HID0_NAP | HID0_DOZE)) | HID0_SLEEP; |
21fe3301f [PATCH] ppc: fix ... |
1980 |
mtspr(SPRN_HID0, hid0); |
887ef35ae [POWERPC] Fix sle... |
1981 1982 1983 1984 1985 1986 1987 1988 |
local_irq_enable(); msr = mfmsr() | MSR_POW; while (asleep) { mb(); mtmsr(msr); isync(); } local_irq_disable(); |
1da177e4c Linux-2.6.12-rc2 |
1989 1990 1991 |
/* OK, we're awake again, start restoring things */ out_be32(mem_ctrl_sleep, 0x3f); |
887ef35ae [POWERPC] Fix sle... |
1992 |
pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 0); |
1da177e4c Linux-2.6.12-rc2 |
1993 |
|
1da177e4c Linux-2.6.12-rc2 |
1994 1995 |
return 0; } |
f91266edb [POWERPC] powerma... |
1996 |
#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ |
8c8709334 [PATCH] ppc32: Re... |
1997 |
|
1da177e4c Linux-2.6.12-rc2 |
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 |
/* * Support for /dev/pmu device */ #define RB_SIZE 0x10 struct pmu_private { struct list_head list; int rb_get; int rb_put; struct rb_entry { unsigned short len; unsigned char data[16]; } rb_buf[RB_SIZE]; wait_queue_head_t wait; spinlock_t lock; #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) int backlight_locker; |
4b755999d [PATCH] powermac:... |
2014 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
2015 2016 2017 |
}; static LIST_HEAD(all_pmu_pvt); |
aacaf9bd9 [PATCH] powerpc: ... |
2018 |
static DEFINE_SPINLOCK(all_pvt_lock); |
1da177e4c Linux-2.6.12-rc2 |
2019 |
|
aacaf9bd9 [PATCH] powerpc: ... |
2020 |
static void |
1da177e4c Linux-2.6.12-rc2 |
2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 |
pmu_pass_intr(unsigned char *data, int len) { struct pmu_private *pp; struct list_head *list; int i; unsigned long flags; if (len > sizeof(pp->rb_buf[0].data)) len = sizeof(pp->rb_buf[0].data); spin_lock_irqsave(&all_pvt_lock, flags); for (list = &all_pmu_pvt; (list = list->next) != &all_pmu_pvt; ) { pp = list_entry(list, struct pmu_private, list); spin_lock(&pp->lock); i = pp->rb_put + 1; if (i >= RB_SIZE) i = 0; if (i != pp->rb_get) { struct rb_entry *rp = &pp->rb_buf[pp->rb_put]; rp->len = len; memcpy(rp->data, data, len); pp->rb_put = i; wake_up_interruptible(&pp->wait); } spin_unlock(&pp->lock); } spin_unlock_irqrestore(&all_pvt_lock, flags); } |
aacaf9bd9 [PATCH] powerpc: ... |
2048 |
static int |
1da177e4c Linux-2.6.12-rc2 |
2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 |
pmu_open(struct inode *inode, struct file *file) { struct pmu_private *pp; unsigned long flags; pp = kmalloc(sizeof(struct pmu_private), GFP_KERNEL); if (pp == 0) return -ENOMEM; pp->rb_get = pp->rb_put = 0; spin_lock_init(&pp->lock); init_waitqueue_head(&pp->wait); |
d851b6e04 mac: autoconvert ... |
2060 |
mutex_lock(&pmu_info_proc_mutex); |
1da177e4c Linux-2.6.12-rc2 |
2061 2062 2063 |
spin_lock_irqsave(&all_pvt_lock, flags); #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) pp->backlight_locker = 0; |
4b755999d [PATCH] powermac:... |
2064 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
2065 2066 2067 |
list_add(&pp->list, &all_pmu_pvt); spin_unlock_irqrestore(&all_pvt_lock, flags); file->private_data = pp; |
d851b6e04 mac: autoconvert ... |
2068 |
mutex_unlock(&pmu_info_proc_mutex); |
1da177e4c Linux-2.6.12-rc2 |
2069 2070 |
return 0; } |
aacaf9bd9 [PATCH] powerpc: ... |
2071 |
static ssize_t |
1da177e4c Linux-2.6.12-rc2 |
2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 |
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 = 0; if (count < 1 || pp == 0) return -EINVAL; if (!access_ok(VERIFY_WRITE, buf, count)) return -EFAULT; spin_lock_irqsave(&pp->lock, flags); add_wait_queue(&pp->wait, &wait); current->state = TASK_INTERRUPTIBLE; for (;;) { ret = -EAGAIN; if (pp->rb_get != pp->rb_put) { int i = pp->rb_get; struct rb_entry *rp = &pp->rb_buf[i]; ret = rp->len; spin_unlock_irqrestore(&pp->lock, flags); if (ret > count) ret = count; if (ret > 0 && copy_to_user(buf, rp->data, ret)) ret = -EFAULT; if (++i >= RB_SIZE) i = 0; spin_lock_irqsave(&pp->lock, flags); pp->rb_get = i; } if (ret >= 0) break; if (file->f_flags & O_NONBLOCK) break; ret = -ERESTARTSYS; if (signal_pending(current)) break; spin_unlock_irqrestore(&pp->lock, flags); schedule(); spin_lock_irqsave(&pp->lock, flags); } current->state = TASK_RUNNING; remove_wait_queue(&pp->wait, &wait); spin_unlock_irqrestore(&pp->lock, flags); return ret; } |
aacaf9bd9 [PATCH] powerpc: ... |
2122 |
static ssize_t |
1da177e4c Linux-2.6.12-rc2 |
2123 2124 2125 2126 2127 |
pmu_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { return 0; } |
aacaf9bd9 [PATCH] powerpc: ... |
2128 |
static unsigned int |
1da177e4c Linux-2.6.12-rc2 |
2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 |
pmu_fpoll(struct file *filp, poll_table *wait) { struct pmu_private *pp = filp->private_data; unsigned int mask = 0; unsigned long flags; if (pp == 0) return 0; poll_wait(filp, &pp->wait, wait); spin_lock_irqsave(&pp->lock, flags); if (pp->rb_get != pp->rb_put) mask |= POLLIN; spin_unlock_irqrestore(&pp->lock, flags); return mask; } |
aacaf9bd9 [PATCH] powerpc: ... |
2144 |
static int |
1da177e4c Linux-2.6.12-rc2 |
2145 2146 2147 2148 |
pmu_release(struct inode *inode, struct file *file) { struct pmu_private *pp = file->private_data; unsigned long flags; |
1da177e4c Linux-2.6.12-rc2 |
2149 2150 2151 2152 2153 |
if (pp != 0) { file->private_data = NULL; spin_lock_irqsave(&all_pvt_lock, flags); list_del(&pp->list); spin_unlock_irqrestore(&all_pvt_lock, flags); |
4b755999d [PATCH] powermac:... |
2154 |
|
1da177e4c Linux-2.6.12-rc2 |
2155 |
#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) |
4b755999d [PATCH] powermac:... |
2156 2157 2158 |
if (pp->backlight_locker) pmac_backlight_enable(); #endif |
1da177e4c Linux-2.6.12-rc2 |
2159 2160 |
kfree(pp); } |
1da177e4c Linux-2.6.12-rc2 |
2161 2162 |
return 0; } |
f91266edb [POWERPC] powerma... |
2163 |
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
7ac5dde99 [POWERPC] Impleme... |
2164 |
static void pmac_suspend_disable_irqs(void) |
f91266edb [POWERPC] powerma... |
2165 |
{ |
f91266edb [POWERPC] powerma... |
2166 2167 2168 |
/* Call platform functions marked "on sleep" */ pmac_pfunc_i2c_suspend(); pmac_pfunc_base_suspend(); |
f91266edb [POWERPC] powerma... |
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 |
} static int powerbook_sleep(suspend_state_t state) { int error = 0; /* Wait for completion of async requests */ while (!batt_req.complete) pmu_poll(); /* Giveup the lazy FPU & vec so we don't have to back them * up from the low level code */ enable_kernel_fp(); #ifdef CONFIG_ALTIVEC if (cpu_has_feature(CPU_FTR_ALTIVEC)) enable_kernel_altivec(); #endif /* CONFIG_ALTIVEC */ switch (pmu_kind) { case PMU_OHARE_BASED: error = powerbook_sleep_3400(); break; case PMU_HEATHROW_BASED: case PMU_PADDINGTON_BASED: error = powerbook_sleep_grackle(); break; case PMU_KEYLARGO_BASED: error = powerbook_sleep_Core99(); break; default: return -ENOSYS; } if (error) return error; mdelay(100); |
f91266edb [POWERPC] powerma... |
2208 2209 |
return 0; } |
7ac5dde99 [POWERPC] Impleme... |
2210 |
static void pmac_suspend_enable_irqs(void) |
f91266edb [POWERPC] powerma... |
2211 2212 2213 2214 |
{ /* Force a poll of ADB interrupts */ adb_int_pending = 1; via_pmu_interrupt(0, NULL); |
f91266edb [POWERPC] powerma... |
2215 |
mdelay(10); |
f91266edb [POWERPC] powerma... |
2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 |
/* Call platform functions marked "on wake" */ pmac_pfunc_base_resume(); pmac_pfunc_i2c_resume(); } static int pmu_sleep_valid(suspend_state_t state) { return state == PM_SUSPEND_MEM && (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) >= 0); } |
2f55ac072 suspend: constify... |
2227 |
static const struct platform_suspend_ops pmu_pm_ops = { |
f91266edb [POWERPC] powerma... |
2228 2229 2230 2231 2232 2233 |
.enter = powerbook_sleep, .valid = pmu_sleep_valid, }; static int register_pmu_pm_ops(void) { |
7ac5dde99 [POWERPC] Impleme... |
2234 2235 2236 2237 |
if (pmu_kind == PMU_OHARE_BASED) powerbook_sleep_init_3400(); ppc_md.suspend_disable_irqs = pmac_suspend_disable_irqs; ppc_md.suspend_enable_irqs = pmac_suspend_enable_irqs; |
f91266edb [POWERPC] powerma... |
2238 2239 2240 2241 2242 2243 2244 |
suspend_set_ops(&pmu_pm_ops); return 0; } device_initcall(register_pmu_pm_ops); #endif |
55929332c drivers: Push dow... |
2245 |
static int pmu_ioctl(struct file *filp, |
1da177e4c Linux-2.6.12-rc2 |
2246 2247 |
u_int cmd, u_long arg) { |
1da177e4c Linux-2.6.12-rc2 |
2248 |
__u32 __user *argp = (__u32 __user *)arg; |
8c8709334 [PATCH] ppc32: Re... |
2249 |
int error = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2250 2251 2252 2253 2254 |
switch (cmd) { case PMU_IOC_SLEEP: if (!capable(CAP_SYS_ADMIN)) return -EACCES; |
f91266edb [POWERPC] powerma... |
2255 |
return pm_suspend(PM_SUSPEND_MEM); |
1da177e4c Linux-2.6.12-rc2 |
2256 |
case PMU_IOC_CAN_SLEEP: |
f91266edb [POWERPC] powerma... |
2257 |
if (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) < 0) |
1da177e4c Linux-2.6.12-rc2 |
2258 2259 2260 |
return put_user(0, argp); else return put_user(1, argp); |
5474c120a [PATCH] Rewritten... |
2261 2262 |
#ifdef CONFIG_PMAC_BACKLIGHT_LEGACY /* Compatibility ioctl's for backlight */ |
1da177e4c Linux-2.6.12-rc2 |
2263 |
case PMU_IOC_GET_BACKLIGHT: |
5474c120a [PATCH] Rewritten... |
2264 2265 |
{ int brightness; |
5474c120a [PATCH] Rewritten... |
2266 2267 2268 2269 2270 2271 2272 |
brightness = pmac_backlight_get_legacy_brightness(); if (brightness < 0) return brightness; else return put_user(brightness, argp); } |
1da177e4c Linux-2.6.12-rc2 |
2273 2274 |
case PMU_IOC_SET_BACKLIGHT: { |
5474c120a [PATCH] Rewritten... |
2275 |
int brightness; |
5474c120a [PATCH] Rewritten... |
2276 2277 2278 2279 2280 |
error = get_user(brightness, argp); if (error) return error; return pmac_backlight_set_legacy_brightness(brightness); |
1da177e4c Linux-2.6.12-rc2 |
2281 2282 2283 |
} #ifdef CONFIG_INPUT_ADBHID case PMU_IOC_GRAB_BACKLIGHT: { |
8c8709334 [PATCH] ppc32: Re... |
2284 |
struct pmu_private *pp = filp->private_data; |
8c8709334 [PATCH] ppc32: Re... |
2285 |
|
1da177e4c Linux-2.6.12-rc2 |
2286 2287 |
if (pp->backlight_locker) return 0; |
4b755999d [PATCH] powermac:... |
2288 |
|
1da177e4c Linux-2.6.12-rc2 |
2289 |
pp->backlight_locker = 1; |
4b755999d [PATCH] powermac:... |
2290 |
pmac_backlight_disable(); |
1da177e4c Linux-2.6.12-rc2 |
2291 2292 2293 |
return 0; } #endif /* CONFIG_INPUT_ADBHID */ |
5474c120a [PATCH] Rewritten... |
2294 |
#endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */ |
4b755999d [PATCH] powermac:... |
2295 |
|
1da177e4c Linux-2.6.12-rc2 |
2296 2297 2298 2299 2300 |
case PMU_IOC_GET_MODEL: return put_user(pmu_kind, argp); case PMU_IOC_HAS_ADB: return put_user(pmu_has_adb, argp); } |
8c8709334 [PATCH] ppc32: Re... |
2301 |
return error; |
1da177e4c Linux-2.6.12-rc2 |
2302 |
} |
55929332c drivers: Push dow... |
2303 2304 2305 2306 |
static long pmu_unlocked_ioctl(struct file *filp, u_int cmd, u_long arg) { int ret; |
d851b6e04 mac: autoconvert ... |
2307 |
mutex_lock(&pmu_info_proc_mutex); |
55929332c drivers: Push dow... |
2308 |
ret = pmu_ioctl(filp, cmd, arg); |
d851b6e04 mac: autoconvert ... |
2309 |
mutex_unlock(&pmu_info_proc_mutex); |
55929332c drivers: Push dow... |
2310 2311 2312 |
return ret; } |
4cc4587fb via-pmu: Add comp... |
2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 |
#ifdef CONFIG_COMPAT #define PMU_IOC_GET_BACKLIGHT32 _IOR('B', 1, compat_size_t) #define PMU_IOC_SET_BACKLIGHT32 _IOW('B', 2, compat_size_t) #define PMU_IOC_GET_MODEL32 _IOR('B', 3, compat_size_t) #define PMU_IOC_HAS_ADB32 _IOR('B', 4, compat_size_t) #define PMU_IOC_CAN_SLEEP32 _IOR('B', 5, compat_size_t) #define PMU_IOC_GRAB_BACKLIGHT32 _IOR('B', 6, compat_size_t) static long compat_pmu_ioctl (struct file *filp, u_int cmd, u_long arg) { switch (cmd) { case PMU_IOC_SLEEP: break; case PMU_IOC_GET_BACKLIGHT32: cmd = PMU_IOC_GET_BACKLIGHT; break; case PMU_IOC_SET_BACKLIGHT32: cmd = PMU_IOC_SET_BACKLIGHT; break; case PMU_IOC_GET_MODEL32: cmd = PMU_IOC_GET_MODEL; break; case PMU_IOC_HAS_ADB32: cmd = PMU_IOC_HAS_ADB; break; case PMU_IOC_CAN_SLEEP32: cmd = PMU_IOC_CAN_SLEEP; break; case PMU_IOC_GRAB_BACKLIGHT32: cmd = PMU_IOC_GRAB_BACKLIGHT; break; default: return -ENOIOCTLCMD; } return pmu_unlocked_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); } #endif |
fa027c2a0 [PATCH] mark stru... |
2350 |
static const struct file_operations pmu_device_fops = { |
1da177e4c Linux-2.6.12-rc2 |
2351 2352 2353 |
.read = pmu_read, .write = pmu_write, .poll = pmu_fpoll, |
55929332c drivers: Push dow... |
2354 |
.unlocked_ioctl = pmu_unlocked_ioctl, |
4cc4587fb via-pmu: Add comp... |
2355 2356 2357 |
#ifdef CONFIG_COMPAT .compat_ioctl = compat_pmu_ioctl, #endif |
1da177e4c Linux-2.6.12-rc2 |
2358 2359 |
.open = pmu_open, .release = pmu_release, |
6038f373a llseek: automatic... |
2360 |
.llseek = noop_llseek, |
1da177e4c Linux-2.6.12-rc2 |
2361 |
}; |
aacaf9bd9 [PATCH] powerpc: ... |
2362 |
static struct miscdevice pmu_device = { |
1da177e4c Linux-2.6.12-rc2 |
2363 2364 |
PMU_MINOR, "pmu", &pmu_device_fops }; |
8c8709334 [PATCH] ppc32: Re... |
2365 |
static int pmu_device_init(void) |
1da177e4c Linux-2.6.12-rc2 |
2366 2367 |
{ if (!via) |
8c8709334 [PATCH] ppc32: Re... |
2368 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
2369 2370 2371 |
if (misc_register(&pmu_device) < 0) printk(KERN_ERR "via-pmu: cannot register misc device. "); |
8c8709334 [PATCH] ppc32: Re... |
2372 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
2373 |
} |
8c8709334 [PATCH] ppc32: Re... |
2374 |
device_initcall(pmu_device_init); |
1da177e4c Linux-2.6.12-rc2 |
2375 2376 |
#ifdef DEBUG_SLEEP |
aacaf9bd9 [PATCH] powerpc: ... |
2377 |
static inline void |
1da177e4c Linux-2.6.12-rc2 |
2378 2379 2380 2381 2382 2383 2384 2385 2386 |
polled_handshake(volatile unsigned char __iomem *via) { via[B] &= ~TREQ; eieio(); while ((via[B] & TACK) != 0) ; via[B] |= TREQ; eieio(); while ((via[B] & TACK) == 0) ; } |
aacaf9bd9 [PATCH] powerpc: ... |
2387 |
static inline void |
1da177e4c Linux-2.6.12-rc2 |
2388 2389 2390 2391 2392 2393 |
polled_send_byte(volatile unsigned char __iomem *via, int x) { via[ACR] |= SR_OUT | SR_EXT; eieio(); via[SR] = x; eieio(); polled_handshake(via); } |
aacaf9bd9 [PATCH] powerpc: ... |
2394 |
static inline int |
1da177e4c Linux-2.6.12-rc2 |
2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 |
polled_recv_byte(volatile unsigned char __iomem *via) { int x; via[ACR] = (via[ACR] & ~SR_OUT) | SR_EXT; eieio(); x = via[SR]; eieio(); polled_handshake(via); x = via[SR]; eieio(); return x; } |
aacaf9bd9 [PATCH] powerpc: ... |
2405 |
int |
1da177e4c Linux-2.6.12-rc2 |
2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 |
pmu_polled_request(struct adb_request *req) { unsigned long flags; int i, l, c; volatile unsigned char __iomem *v = via; req->complete = 1; c = req->data[0]; l = pmu_data_len[c][0]; if (l >= 0 && req->nbytes != l + 1) return -EINVAL; local_irq_save(flags); while (pmu_state != idle) pmu_poll(); while ((via[B] & TACK) == 0) ; polled_send_byte(v, c); if (l < 0) { l = req->nbytes - 1; polled_send_byte(v, l); } for (i = 1; i <= l; ++i) polled_send_byte(v, req->data[i]); l = pmu_data_len[c][1]; if (l < 0) l = polled_recv_byte(v); for (i = 0; i < l; ++i) req->reply[i + req->reply_len] = polled_recv_byte(v); if (req->done) (*req->done)(req); local_irq_restore(flags); return 0; } |
1da177e4c Linux-2.6.12-rc2 |
2444 |
|
f91266edb [POWERPC] powerma... |
2445 2446 2447 2448 |
/* N.B. This doesn't work on the 3400 */ void pmu_blink(int n) { struct adb_request req; |
1da177e4c Linux-2.6.12-rc2 |
2449 |
|
f91266edb [POWERPC] powerma... |
2450 |
memset(&req, 0, sizeof(req)); |
1da177e4c Linux-2.6.12-rc2 |
2451 |
|
f91266edb [POWERPC] powerma... |
2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 |
for (; n > 0; --n) { req.nbytes = 4; req.done = NULL; req.data[0] = 0xee; req.data[1] = 4; req.data[2] = 0; req.data[3] = 1; req.reply[0] = ADB_RET_OK; req.reply_len = 1; req.reply_expected = 0; pmu_polled_request(&req); mdelay(50); req.nbytes = 4; req.done = NULL; req.data[0] = 0xee; req.data[1] = 4; req.data[2] = 0; req.data[3] = 0; req.reply[0] = ADB_RET_OK; req.reply_len = 1; req.reply_expected = 0; pmu_polled_request(&req); mdelay(50); } mdelay(50); } #endif /* DEBUG_SLEEP */ |
1da177e4c Linux-2.6.12-rc2 |
2479 |
|
f91266edb [POWERPC] powerma... |
2480 |
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) |
f596575e8 [POWERPC] via-pmu... |
2481 |
int pmu_sys_suspended; |
1da177e4c Linux-2.6.12-rc2 |
2482 |
|
e83b906c9 powerpc/pmac: Upd... |
2483 |
static int pmu_syscore_suspend(void) |
1da177e4c Linux-2.6.12-rc2 |
2484 |
{ |
e83b906c9 powerpc/pmac: Upd... |
2485 |
/* Suspend PMU event interrupts */ |
1da177e4c Linux-2.6.12-rc2 |
2486 |
pmu_suspend(); |
1da177e4c Linux-2.6.12-rc2 |
2487 |
pmu_sys_suspended = 1; |
0094f2cdc [POWERPC] Fix for... |
2488 2489 2490 2491 2492 |
#ifdef CONFIG_PMAC_BACKLIGHT /* Tell backlight code not to muck around with the chip anymore */ pmu_backlight_set_sleep(1); #endif |
1da177e4c Linux-2.6.12-rc2 |
2493 2494 |
return 0; } |
e83b906c9 powerpc/pmac: Upd... |
2495 |
static void pmu_syscore_resume(void) |
1da177e4c Linux-2.6.12-rc2 |
2496 2497 2498 2499 |
{ struct adb_request req; if (!pmu_sys_suspended) |
e83b906c9 powerpc/pmac: Upd... |
2500 |
return; |
1da177e4c Linux-2.6.12-rc2 |
2501 2502 2503 2504 |
/* Tell PMU we are ready */ pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2); pmu_wait_complete(&req); |
0094f2cdc [POWERPC] Fix for... |
2505 2506 2507 2508 |
#ifdef CONFIG_PMAC_BACKLIGHT /* Tell backlight code it can use the chip again */ pmu_backlight_set_sleep(0); #endif |
1da177e4c Linux-2.6.12-rc2 |
2509 2510 |
/* Resume PMU event interrupts */ pmu_resume(); |
1da177e4c Linux-2.6.12-rc2 |
2511 |
pmu_sys_suspended = 0; |
1da177e4c Linux-2.6.12-rc2 |
2512 |
} |
e83b906c9 powerpc/pmac: Upd... |
2513 2514 2515 |
static struct syscore_ops pmu_syscore_ops = { .suspend = pmu_syscore_suspend, .resume = pmu_syscore_resume, |
1da177e4c Linux-2.6.12-rc2 |
2516 |
}; |
e83b906c9 powerpc/pmac: Upd... |
2517 |
static int pmu_syscore_register(void) |
1da177e4c Linux-2.6.12-rc2 |
2518 |
{ |
e83b906c9 powerpc/pmac: Upd... |
2519 |
register_syscore_ops(&pmu_syscore_ops); |
1da177e4c Linux-2.6.12-rc2 |
2520 |
|
1da177e4c Linux-2.6.12-rc2 |
2521 2522 |
return 0; } |
e83b906c9 powerpc/pmac: Upd... |
2523 2524 |
subsys_initcall(pmu_syscore_register); #endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ |
1da177e4c Linux-2.6.12-rc2 |
2525 2526 |
EXPORT_SYMBOL(pmu_request); |
730745a5c [PATCH] 1/5 power... |
2527 |
EXPORT_SYMBOL(pmu_queue_request); |
1da177e4c Linux-2.6.12-rc2 |
2528 2529 2530 2531 2532 2533 |
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); |
620a24597 [POWERPC] Fix bui... |
2534 |
#if defined(CONFIG_PPC32) |
1da177e4c Linux-2.6.12-rc2 |
2535 2536 2537 2538 |
EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); EXPORT_SYMBOL(pmu_batteries); EXPORT_SYMBOL(pmu_power_flags); |
f91266edb [POWERPC] powerma... |
2539 |
#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ |
1da177e4c Linux-2.6.12-rc2 |
2540 |