diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/mips/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/platform/mips/Makefile | 1 | ||||
| -rw-r--r-- | drivers/platform/mips/acpi_init.c | 150 | ||||
| -rw-r--r-- | drivers/platform/mips/cpu_hwmon.c | 10 | ||||
| -rw-r--r-- | drivers/platform/x86/acer-wmi.c | 16 | ||||
| -rw-r--r-- | drivers/platform/x86/eeepc-wmi.c | 24 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_pmic_gpio.c | 6 | ||||
| -rw-r--r-- | drivers/platform/x86/wmi.c | 104 |
8 files changed, 27 insertions, 288 deletions
diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig index 125e569017be..b3ae30a4c67b 100644 --- a/drivers/platform/mips/Kconfig +++ b/drivers/platform/mips/Kconfig @@ -15,10 +15,6 @@ menuconfig MIPS_PLATFORM_DEVICES if MIPS_PLATFORM_DEVICES -config MIPS_ACPI - bool - default y if LOONGSON_MACH3X - config CPU_HWMON tristate "Loongson CPU HWMon Driver" depends on LOONGSON_MACH3X diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile index 43412849b195..8dfd03924c37 100644 --- a/drivers/platform/mips/Makefile +++ b/drivers/platform/mips/Makefile @@ -1,2 +1 @@ -obj-$(CONFIG_MIPS_ACPI) += acpi_init.o obj-$(CONFIG_CPU_HWMON) += cpu_hwmon.o diff --git a/drivers/platform/mips/acpi_init.c b/drivers/platform/mips/acpi_init.c deleted file mode 100644 index dbdad79ead8f..000000000000 --- a/drivers/platform/mips/acpi_init.c +++ /dev/null @@ -1,150 +0,0 @@ -#include <linux/io.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/export.h> - -#define SBX00_ACPI_IO_BASE 0x800 -#define SBX00_ACPI_IO_SIZE 0x100 - -#define ACPI_PM_EVT_BLK (SBX00_ACPI_IO_BASE + 0x00) /* 4 bytes */ -#define ACPI_PM_CNT_BLK (SBX00_ACPI_IO_BASE + 0x04) /* 2 bytes */ -#define ACPI_PMA_CNT_BLK (SBX00_ACPI_IO_BASE + 0x0F) /* 1 byte */ -#define ACPI_PM_TMR_BLK (SBX00_ACPI_IO_BASE + 0x18) /* 4 bytes */ -#define ACPI_GPE0_BLK (SBX00_ACPI_IO_BASE + 0x10) /* 8 bytes */ -#define ACPI_END (SBX00_ACPI_IO_BASE + 0x80) - -#define PM_INDEX 0xCD6 -#define PM_DATA 0xCD7 -#define PM2_INDEX 0xCD0 -#define PM2_DATA 0xCD1 - -/* - * SCI interrupt need acpi space, allocate here - */ - -static int __init register_acpi_resource(void) -{ - request_region(SBX00_ACPI_IO_BASE, SBX00_ACPI_IO_SIZE, "acpi"); - return 0; -} - -static void pmio_write_index(u16 index, u8 reg, u8 value) -{ - outb(reg, index); - outb(value, index + 1); -} - -static u8 pmio_read_index(u16 index, u8 reg) -{ - outb(reg, index); - return inb(index + 1); -} - -void pm_iowrite(u8 reg, u8 value) -{ - pmio_write_index(PM_INDEX, reg, value); -} -EXPORT_SYMBOL(pm_iowrite); - -u8 pm_ioread(u8 reg) -{ - return pmio_read_index(PM_INDEX, reg); -} -EXPORT_SYMBOL(pm_ioread); - -void pm2_iowrite(u8 reg, u8 value) -{ - pmio_write_index(PM2_INDEX, reg, value); -} -EXPORT_SYMBOL(pm2_iowrite); - -u8 pm2_ioread(u8 reg) -{ - return pmio_read_index(PM2_INDEX, reg); -} -EXPORT_SYMBOL(pm2_ioread); - -static void acpi_hw_clear_status(void) -{ - u16 value; - - /* PMStatus: Clear WakeStatus/PwrBtnStatus */ - value = inw(ACPI_PM_EVT_BLK); - value |= (1 << 8 | 1 << 15); - outw(value, ACPI_PM_EVT_BLK); - - /* GPEStatus: Clear all generated events */ - outl(inl(ACPI_GPE0_BLK), ACPI_GPE0_BLK); -} - -void acpi_registers_setup(void) -{ - u32 value; - - /* PM Status Base */ - pm_iowrite(0x20, ACPI_PM_EVT_BLK & 0xff); - pm_iowrite(0x21, ACPI_PM_EVT_BLK >> 8); - - /* PM Control Base */ - pm_iowrite(0x22, ACPI_PM_CNT_BLK & 0xff); - pm_iowrite(0x23, ACPI_PM_CNT_BLK >> 8); - - /* GPM Base */ - pm_iowrite(0x28, ACPI_GPE0_BLK & 0xff); - pm_iowrite(0x29, ACPI_GPE0_BLK >> 8); - - /* ACPI End */ - pm_iowrite(0x2e, ACPI_END & 0xff); - pm_iowrite(0x2f, ACPI_END >> 8); - - /* IO Decode: When AcpiDecodeEnable set, South-Bridge uses the contents - * of the PM registers at index 0x20~0x2B to decode ACPI I/O address. */ - pm_iowrite(0x0e, 1 << 3); - - /* SCI_EN set */ - outw(1, ACPI_PM_CNT_BLK); - - /* Enable to generate SCI */ - pm_iowrite(0x10, pm_ioread(0x10) | 1); - - /* GPM3/GPM9 enable */ - value = inl(ACPI_GPE0_BLK + 4); - outl(value | (1 << 14) | (1 << 22), ACPI_GPE0_BLK + 4); - - /* Set GPM9 as input */ - pm_iowrite(0x8d, pm_ioread(0x8d) & (~(1 << 1))); - - /* Set GPM9 as non-output */ - pm_iowrite(0x94, pm_ioread(0x94) | (1 << 3)); - - /* GPM3 config ACPI trigger SCIOUT */ - pm_iowrite(0x33, pm_ioread(0x33) & (~(3 << 4))); - - /* GPM9 config ACPI trigger SCIOUT */ - pm_iowrite(0x3d, pm_ioread(0x3d) & (~(3 << 2))); - - /* GPM3 config falling edge trigger */ - pm_iowrite(0x37, pm_ioread(0x37) & (~(1 << 6))); - - /* No wait for STPGNT# in ACPI Sx state */ - pm_iowrite(0x7c, pm_ioread(0x7c) | (1 << 6)); - - /* Set GPM3 pull-down enable */ - value = pm2_ioread(0xf6); - value |= ((1 << 7) | (1 << 3)); - pm2_iowrite(0xf6, value); - - /* Set GPM9 pull-down enable */ - value = pm2_ioread(0xf8); - value |= ((1 << 5) | (1 << 1)); - pm2_iowrite(0xf8, value); -} - -int __init sbx00_acpi_init(void) -{ - register_acpi_resource(); - acpi_registers_setup(); - acpi_hw_clear_status(); - - return 0; -} diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c index 0f6c63e17049..4300a558d0f3 100644 --- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -20,9 +20,9 @@ int loongson3_cpu_temp(int cpu) u32 reg; reg = LOONGSON_CHIPTEMP(cpu); - if (loongson_sysconf.cputype == Loongson_3A) + if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1) reg = (reg >> 8) & 0xff; - else if (loongson_sysconf.cputype == Loongson_3B) + else reg = ((reg >> 8) & 0xff) - 100; return (int)reg * 1000; @@ -80,13 +80,13 @@ static const struct attribute *hwmon_cputemp2[] = { static ssize_t cpu0_temp_label(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "CPU 0 Temprature\n"); + return sprintf(buf, "CPU 0 Temperature\n"); } static ssize_t cpu1_temp_label(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "CPU 1 Temprature\n"); + return sprintf(buf, "CPU 1 Temperature\n"); } static ssize_t get_cpu0_temp(struct device *dev, @@ -169,7 +169,7 @@ static int __init loongson_hwmon_init(void) ret = create_sysfs_cputemp_files(&cpu_hwmon_dev->kobj); if (ret) { - pr_err("fail to create cpu temprature interface!\n"); + pr_err("fail to create cpu temperature interface!\n"); goto fail_create_sysfs_cputemp_files; } diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 1062fa42ff26..79d64ea00bfb 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -793,15 +793,6 @@ static acpi_status __init AMW0_find_mailled(void) return AE_OK; } -static int AMW0_set_cap_acpi_check_device_found __initdata; - -static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, - u32 level, void *context, void **retval) -{ - AMW0_set_cap_acpi_check_device_found = 1; - return AE_OK; -} - static const struct acpi_device_id norfkill_ids[] __initconst = { { "VPC2004", 0}, { "IBM0068", 0}, @@ -816,9 +807,10 @@ static int __init AMW0_set_cap_acpi_check_device(void) const struct acpi_device_id *id; for (id = norfkill_ids; id->id[0]; id++) - acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb, - NULL, NULL); - return AMW0_set_cap_acpi_check_device_found; + if (acpi_dev_found(id->id)) + return true; + + return false; } static acpi_status __init AMW0_set_capabilities(void) diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 14fd2ecb06a1..17b365f26f9d 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -204,30 +204,10 @@ static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, } } -static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, - void *context, void **retval) -{ - pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); - *(bool *)context = true; - return AE_CTRL_TERMINATE; -} - -static int eeepc_wmi_check_atkd(void) -{ - acpi_status status; - bool found = false; - - status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, - &found, NULL); - - if (ACPI_FAILURE(status) || !found) - return 0; - return -1; -} - static int eeepc_wmi_probe(struct platform_device *pdev) { - if (eeepc_wmi_check_atkd()) { + if (acpi_dev_found(EEEPC_ACPI_HID)) { + pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); pr_warn("WMI device present, but legacy ATKD device is also " "present and enabled\n"); pr_warn("You probably booted with acpi_osi=\"Linux\" or " diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c index 0e73fd10ba72..63b371d6ee55 100644 --- a/drivers/platform/x86/intel_pmic_gpio.c +++ b/drivers/platform/x86/intel_pmic_gpio.c @@ -30,7 +30,7 @@ #include <linux/ioport.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <asm/intel_scu_ipc.h> #include <linux/device.h> #include <linux/intel_pmic_gpio.h> @@ -174,7 +174,7 @@ static int pmic_irq_type(struct irq_data *data, unsigned type) static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct pmic_gpio *pg = container_of(chip, struct pmic_gpio, chip); + struct pmic_gpio *pg = gpiochip_get_data(chip); return pg->irq_base + offset; } @@ -279,7 +279,7 @@ static int platform_pmic_gpio_probe(struct platform_device *pdev) mutex_init(&pg->buslock); pg->chip.parent = dev; - retval = gpiochip_add(&pg->chip); + retval = gpiochip_add_data(&pg->chip, pg); if (retval) { pr_err("Can not add pmic gpio chip\n"); goto err; diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index eb391a281833..ceeb8c188ef3 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -37,6 +37,7 @@ #include <linux/acpi.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/uuid.h> ACPI_MODULE_NAME("wmi"); MODULE_AUTHOR("Carlos Corbacho"); @@ -115,100 +116,21 @@ static struct acpi_driver acpi_wmi_driver = { * GUID parsing functions */ -/** - * wmi_parse_hexbyte - Convert a ASCII hex number to a byte - * @src: Pointer to at least 2 characters to convert. - * - * Convert a two character ASCII hex string to a number. - * - * Return: 0-255 Success, the byte was parsed correctly - * -1 Error, an invalid character was supplied - */ -static int wmi_parse_hexbyte(const u8 *src) -{ - int h; - int value; - - /* high part */ - h = value = hex_to_bin(src[0]); - if (value < 0) - return -1; - - /* low part */ - value = hex_to_bin(src[1]); - if (value >= 0) - return (h << 4) | value; - return -1; -} - -/** - * wmi_swap_bytes - Rearrange GUID bytes to match GUID binary - * @src: Memory block holding binary GUID (16 bytes) - * @dest: Memory block to hold byte swapped binary GUID (16 bytes) - * - * Byte swap a binary GUID to match it's real GUID value - */ -static void wmi_swap_bytes(u8 *src, u8 *dest) -{ - int i; - - for (i = 0; i <= 3; i++) - memcpy(dest + i, src + (3 - i), 1); - - for (i = 0; i <= 1; i++) - memcpy(dest + 4 + i, src + (5 - i), 1); - - for (i = 0; i <= 1; i++) - memcpy(dest + 6 + i, src + (7 - i), 1); - - memcpy(dest + 8, src + 8, 8); -} - -/** - * wmi_parse_guid - Convert GUID from ASCII to binary - * @src: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba - * @dest: Memory block to hold binary GUID (16 bytes) - * - * N.B. The GUID need not be NULL terminated. - * - * Return: 'true' @dest contains binary GUID - * 'false' @dest contents are undefined - */ -static bool wmi_parse_guid(const u8 *src, u8 *dest) -{ - static const int size[] = { 4, 2, 2, 2, 6 }; - int i, j, v; - - if (src[8] != '-' || src[13] != '-' || - src[18] != '-' || src[23] != '-') - return false; - - for (j = 0; j < 5; j++, src++) { - for (i = 0; i < size[j]; i++, src += 2, *dest++ = v) { - v = wmi_parse_hexbyte(src); - if (v < 0) - return false; - } - } - - return true; -} - static bool find_guid(const char *guid_string, struct wmi_block **out) { - char tmp[16], guid_input[16]; + uuid_le guid_input; struct wmi_block *wblock; struct guid_block *block; struct list_head *p; - wmi_parse_guid(guid_string, tmp); - wmi_swap_bytes(tmp, guid_input); + if (uuid_le_to_bin(guid_string, &guid_input)) + return false; list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); block = &wblock->gblock; - if (memcmp(block->guid, guid_input, 16) == 0) { + if (memcmp(block->guid, &guid_input, 16) == 0) { if (out) *out = wblock; return true; @@ -498,20 +420,20 @@ wmi_notify_handler handler, void *data) { struct wmi_block *block; acpi_status status = AE_NOT_EXIST; - char tmp[16], guid_input[16]; + uuid_le guid_input; struct list_head *p; if (!guid || !handler) return AE_BAD_PARAMETER; - wmi_parse_guid(guid, tmp); - wmi_swap_bytes(tmp, guid_input); + if (uuid_le_to_bin(guid, &guid_input)) + return AE_BAD_PARAMETER; list_for_each(p, &wmi_block_list) { acpi_status wmi_status; block = list_entry(p, struct wmi_block, list); - if (memcmp(block->gblock.guid, guid_input, 16) == 0) { + if (memcmp(block->gblock.guid, &guid_input, 16) == 0) { if (block->handler && block->handler != wmi_notify_debug) return AE_ALREADY_ACQUIRED; @@ -539,20 +461,20 @@ acpi_status wmi_remove_notify_handler(const char *guid) { struct wmi_block *block; acpi_status status = AE_NOT_EXIST; - char tmp[16], guid_input[16]; + uuid_le guid_input; struct list_head *p; if (!guid) return AE_BAD_PARAMETER; - wmi_parse_guid(guid, tmp); - wmi_swap_bytes(tmp, guid_input); + if (uuid_le_to_bin(guid, &guid_input)) + return AE_BAD_PARAMETER; list_for_each(p, &wmi_block_list) { acpi_status wmi_status; block = list_entry(p, struct wmi_block, list); - if (memcmp(block->gblock.guid, guid_input, 16) == 0) { + if (memcmp(block->gblock.guid, &guid_input, 16) == 0) { if (!block->handler || block->handler == wmi_notify_debug) return AE_NULL_ENTRY; |