diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/asus_acpi.c | 67 | ||||
-rw-r--r-- | drivers/acpi/battery.c | 14 | ||||
-rw-r--r-- | drivers/acpi/events/evrgnini.c | 13 | ||||
-rw-r--r-- | drivers/acpi/ibm_acpi.c | 2 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 101 | ||||
-rw-r--r-- | drivers/acpi/sbs.c | 20 |
6 files changed, 133 insertions, 84 deletions
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index e9ee4c52a5f..c7ac9297a20 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -138,6 +138,7 @@ struct asus_hotk { S2x, //S200 (J1 reported), Victor MP-XP7210 W1N, //W1000N W5A, //W5A + W3V, //W3030V xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N //(Centrino) END_MODEL @@ -376,6 +377,17 @@ static struct model_data model_conf[END_MODEL] = { .display_get = "\\ADVG"}, { + .name = "W3V", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\BKLT", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, + + { .name = "xxN", .mt_mled = "MLED", /* WLED present, but not controlled by ACPI */ @@ -555,11 +567,11 @@ static int write_led(const char __user * buffer, unsigned long count, char *ledname, int ledmask, int invert) { - int value; + int rv, value; int led_out = 0; - count = parse_arg(buffer, count, &value); - if (count > 0) + rv = parse_arg(buffer, count, &value); + if (rv > 0) led_out = value ? 1 : 0; hotk->status = @@ -572,7 +584,7 @@ write_led(const char __user * buffer, unsigned long count, printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", ledname); - return count; + return rv; } /* @@ -607,20 +619,18 @@ static int proc_write_ledd(struct file *file, const char __user * buffer, unsigned long count, void *data) { - int value; + int rv, value; - count = parse_arg(buffer, count, &value); - if (count > 0) { + rv = parse_arg(buffer, count, &value); + if (rv > 0) { if (!write_acpi_int (hotk->handle, hotk->methods->mt_ledd, value, NULL)) printk(KERN_WARNING "Asus ACPI: LED display write failed\n"); else hotk->ledd_status = (u32) value; - } else if (count < 0) - printk(KERN_WARNING "Asus ACPI: Error reading user input\n"); - - return count; + } + return rv; } /* @@ -761,12 +771,12 @@ static int proc_write_lcd(struct file *file, const char __user * buffer, unsigned long count, void *data) { - int value; + int rv, value; - count = parse_arg(buffer, count, &value); - if (count > 0) + rv = parse_arg(buffer, count, &value); + if (rv > 0) set_lcd_state(value); - return count; + return rv; } static int read_brightness(void) @@ -830,18 +840,15 @@ static int proc_write_brn(struct file *file, const char __user * buffer, unsigned long count, void *data) { - int value; + int rv, value; - count = parse_arg(buffer, count, &value); - if (count > 0) { + rv = parse_arg(buffer, count, &value); + if (rv > 0) { value = (0 < value) ? ((15 < value) ? 15 : value) : 0; /* 0 <= value <= 15 */ set_brightness(value); - } else if (count < 0) { - printk(KERN_WARNING "Asus ACPI: Error reading user input\n"); } - - return count; + return rv; } static void set_display(int value) @@ -880,15 +887,12 @@ static int proc_write_disp(struct file *file, const char __user * buffer, unsigned long count, void *data) { - int value; + int rv, value; - count = parse_arg(buffer, count, &value); - if (count > 0) + rv = parse_arg(buffer, count, &value); + if (rv > 0) set_display(value); - else if (count < 0) - printk(KERN_WARNING "Asus ACPI: Error reading user input\n"); - - return count; + return rv; } typedef int (proc_readfunc) (char *page, char **start, off_t off, int count, @@ -1097,6 +1101,8 @@ static int asus_model_match(char *model) return A4G; else if (strncmp(model, "W1N", 3) == 0) return W1N; + else if (strncmp(model, "W3V", 3) == 0) + return W3V; else if (strncmp(model, "W5A", 3) == 0) return W5A; else @@ -1200,9 +1206,10 @@ static int asus_hotk_get_info(void) hotk->methods->mt_wled = NULL; /* L5D's WLED is not controlled by ACPI */ else if (strncmp(string, "M2N", 3) == 0 || + strncmp(string, "W3V", 3) == 0 || strncmp(string, "S1N", 3) == 0) hotk->methods->mt_wled = "WLED"; - /* M2N and S1N have a usable WLED */ + /* M2N, S1N and W3V have a usable WLED */ else if (asus_info) { if (strncmp(asus_info->oem_table_id, "L1", 2) == 0) hotk->methods->mled_status = NULL; diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 9810e2a55d0..026e40755cd 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -64,6 +64,7 @@ extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); static int acpi_battery_add(struct acpi_device *device); static int acpi_battery_remove(struct acpi_device *device, int type); +static int acpi_battery_resume(struct acpi_device *device, int status); static struct acpi_driver acpi_battery_driver = { .name = ACPI_BATTERY_DRIVER_NAME, @@ -71,6 +72,7 @@ static struct acpi_driver acpi_battery_driver = { .ids = ACPI_BATTERY_HID, .ops = { .add = acpi_battery_add, + .resume = acpi_battery_resume, .remove = acpi_battery_remove, }, }; @@ -753,6 +755,18 @@ static int acpi_battery_remove(struct acpi_device *device, int type) return 0; } +/* this is needed to learn about changes made in suspended state */ +static int acpi_battery_resume(struct acpi_device *device, int state) +{ + struct acpi_battery *battery; + + if (!device) + return -EINVAL; + + battery = device->driver_data; + return acpi_battery_check(battery); +} + static int __init acpi_battery_init(void) { int result; diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 5b3c7a85eb9..203d1359190 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -225,13 +225,12 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, if (! (ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING, - sizeof(PCI_ROOT_HID_STRING)) - || - !(ACPI_STRNCMP - (object_hID.value, - PCI_EXPRESS_ROOT_HID_STRING, - sizeof(PCI_EXPRESS_ROOT_HID_STRING))))) - { + sizeof(PCI_ROOT_HID_STRING))) + || + !(ACPI_STRNCMP + (object_hID.value, + PCI_EXPRESS_ROOT_HID_STRING, + sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) { /* Install a handler for this PCI root bridge */ diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 15fc12482ba..003a9876c96 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1702,13 +1702,11 @@ static struct ibm_struct ibms[] = { .name = "brightness", .read = brightness_read, .write = brightness_write, - .experimental = 1, }, { .name = "volume", .read = volume_read, .write = volume_write, - .experimental = 1, }, { .name = "fan", diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 0a395fca843..429a39dbd75 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -219,6 +219,23 @@ static void acpi_safe_halt(void) static atomic_t c3_cpu_count; +/* Common C-state entry for C2, C3, .. */ +static void acpi_cstate_enter(struct acpi_processor_cx *cstate) +{ + if (cstate->space_id == ACPI_CSTATE_FFH) { + /* Call into architectural FFH based C-state */ + acpi_processor_ffh_cstate_enter(cstate); + } else { + int unused; + /* IO port based C-state */ + inb(cstate->address); + /* Dummy wait op - must do something useless after P_LVL2 read + because chipsets cannot guarantee that STPCLK# signal + gets asserted in time to freeze execution properly. */ + unused = inl(acpi_fadt.xpm_tmr_blk.address); + } +} + static void acpi_processor_idle(void) { struct acpi_processor *pr = NULL; @@ -361,11 +378,7 @@ static void acpi_processor_idle(void) /* Get start time (ticks) */ t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C2 */ - inb(cx->address); - /* Dummy wait op - must do something useless after P_LVL2 read - because chipsets cannot guarantee that STPCLK# signal - gets asserted in time to freeze execution properly. */ - t2 = inl(acpi_fadt.xpm_tmr_blk.address); + acpi_cstate_enter(cx); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); @@ -401,9 +414,7 @@ static void acpi_processor_idle(void) /* Get start time (ticks) */ t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C3 */ - inb(cx->address); - /* Dummy wait op (see above) */ - t2 = inl(acpi_fadt.xpm_tmr_blk.address); + acpi_cstate_enter(cx); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); if (pr->flags.bm_check) { @@ -628,20 +639,16 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) return 0; } -static int acpi_processor_get_power_info_default_c1(struct acpi_processor *pr) +static int acpi_processor_get_power_info_default(struct acpi_processor *pr) { - - /* Zero initialize all the C-states info. */ - memset(pr->power.states, 0, sizeof(pr->power.states)); - - /* set the first C-State to C1 */ - pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1; - - /* the C0 state only exists as a filler in our array, - * and all processors need to support C1 */ + if (!pr->power.states[ACPI_STATE_C1].valid) { + /* set the first C-State to C1 */ + /* all processors need to support C1 */ + pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1; + pr->power.states[ACPI_STATE_C1].valid = 1; + } + /* the C0 state only exists as a filler in our array */ pr->power.states[ACPI_STATE_C0].valid = 1; - pr->power.states[ACPI_STATE_C1].valid = 1; - return 0; } @@ -658,12 +665,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) if (nocst) return -ENODEV; - current_count = 1; - - /* Zero initialize C2 onwards and prepare for fresh CST lookup */ - for (i = 2; i < ACPI_PROCESSOR_MAX_POWER; i++) - memset(&(pr->power.states[i]), 0, - sizeof(struct acpi_processor_cx)); + current_count = 0; status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer); if (ACPI_FAILURE(status)) { @@ -718,22 +720,39 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) (reg->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) continue; - cx.address = (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) ? - 0 : reg->address; - /* There should be an easy way to extract an integer... */ obj = (union acpi_object *)&(element->package.elements[1]); if (obj->type != ACPI_TYPE_INTEGER) continue; cx.type = obj->integer.value; - - if ((cx.type != ACPI_STATE_C1) && - (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) - continue; - - if ((cx.type < ACPI_STATE_C2) || (cx.type > ACPI_STATE_C3)) - continue; + /* + * Some buggy BIOSes won't list C1 in _CST - + * Let acpi_processor_get_power_info_default() handle them later + */ + if (i == 1 && cx.type != ACPI_STATE_C1) + current_count++; + + cx.address = reg->address; + cx.index = current_count + 1; + + cx.space_id = ACPI_CSTATE_SYSTEMIO; + if (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) { + if (acpi_processor_ffh_cstate_probe + (pr->id, &cx, reg) == 0) { + cx.space_id = ACPI_CSTATE_FFH; + } else if (cx.type != ACPI_STATE_C1) { + /* + * C1 is a special case where FIXED_HARDWARE + * can be handled in non-MWAIT way as well. + * In that case, save this _CST entry info. + * That is, we retain space_id of SYSTEM_IO for + * halt based C1. + * Otherwise, ignore this info and continue. + */ + continue; + } + } obj = (union acpi_object *)&(element->package.elements[2]); if (obj->type != ACPI_TYPE_INTEGER) @@ -938,12 +957,18 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) /* NOTE: the idle thread may not be running while calling * this function */ - /* Adding C1 state */ - acpi_processor_get_power_info_default_c1(pr); + /* Zero initialize all the C-states info. */ + memset(pr->power.states, 0, sizeof(pr->power.states)); + result = acpi_processor_get_power_info_cst(pr); if (result == -ENODEV) acpi_processor_get_power_info_fadt(pr); + if (result) + return result; + + acpi_processor_get_power_info_default(pr); + pr->power.count = acpi_processor_power_verify(pr); /* diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 62bef0b3b61..8908a975e57 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -98,11 +98,11 @@ static int update_info_mode = UPDATE_INFO_MODE; static int update_time = UPDATE_TIME; static int update_time2 = UPDATE_TIME2; -module_param(capacity_mode, int, CAPACITY_UNIT); -module_param(update_mode, int, UPDATE_MODE); -module_param(update_info_mode, int, UPDATE_INFO_MODE); -module_param(update_time, int, UPDATE_TIME); -module_param(update_time2, int, UPDATE_TIME2); +module_param(capacity_mode, int, 0); +module_param(update_mode, int, 0); +module_param(update_info_mode, int, 0); +module_param(update_time, int, 0); +module_param(update_time2, int, 0); static int acpi_sbs_add(struct acpi_device *device); static int acpi_sbs_remove(struct acpi_device *device, int type); @@ -1685,10 +1685,16 @@ static int acpi_sbs_add(struct acpi_device *device) int acpi_sbs_remove(struct acpi_device *device, int type) { - struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device); + struct acpi_sbs *sbs = NULL; int id; - if (!device || !sbs) { + if (!device) { + return -EINVAL; + } + + sbs = (struct acpi_sbs *)acpi_driver_data(device); + + if (!sbs) { return -EINVAL; } |