diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ata_platform.h | 3 | ||||
| -rw-r--r-- | include/linux/mbus.h | 36 | ||||
| -rw-r--r-- | include/linux/mfd/htc-egpio.h | 57 | ||||
| -rw-r--r-- | include/linux/mfd/htc-pasic3.h | 55 | ||||
| -rw-r--r-- | include/linux/sched.h | 6 |
5 files changed, 157 insertions, 0 deletions
diff --git a/include/linux/ata_platform.h b/include/linux/ata_platform.h index b856a2a590d9..9a26c83a2c9e 100644 --- a/include/linux/ata_platform.h +++ b/include/linux/ata_platform.h @@ -27,7 +27,10 @@ extern int __devexit __pata_platform_remove(struct device *dev); /* * Marvell SATA private data */ +struct mbus_dram_target_info; + struct mv_sata_platform_data { + struct mbus_dram_target_info *dram; int n_ports; /* number of sata ports */ }; diff --git a/include/linux/mbus.h b/include/linux/mbus.h new file mode 100644 index 000000000000..c11ff2932549 --- /dev/null +++ b/include/linux/mbus.h @@ -0,0 +1,36 @@ +/* + * Marvell MBUS common definitions. + * + * Copyright (C) 2008 Marvell Semiconductor + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __LINUX_MBUS_H +#define __LINUX_MBUS_H + +struct mbus_dram_target_info +{ + /* + * The 4-bit MBUS target ID of the DRAM controller. + */ + u8 mbus_dram_target_id; + + /* + * The base address, size, and MBUS attribute ID for each + * of the possible DRAM chip selects. Peripherals are + * required to support at least 4 decode windows. + */ + int num_cs; + struct mbus_dram_window { + u8 cs_index; + u8 mbus_attr; + u32 base; + u32 size; + } cs[4]; +}; + + +#endif diff --git a/include/linux/mfd/htc-egpio.h b/include/linux/mfd/htc-egpio.h new file mode 100644 index 000000000000..b4201c971367 --- /dev/null +++ b/include/linux/mfd/htc-egpio.h @@ -0,0 +1,57 @@ +/* + * HTC simple EGPIO irq and gpio extender + */ + +#ifndef __HTC_EGPIO_H__ +#define __HTC_EGPIO_H__ + +#include <linux/gpio.h> + +/* Descriptive values for all-in or all-out htc_egpio_chip descriptors. */ +#define HTC_EGPIO_OUTPUT (~0) +#define HTC_EGPIO_INPUT 0 + +/** + * struct htc_egpio_chip - descriptor to create gpio_chip for register range + * @reg_start: index of first register + * @gpio_base: gpio number of first pin in this register range + * @num_gpios: number of gpios in this register range, max BITS_PER_LONG + * (number of registers = DIV_ROUND_UP(num_gpios, reg_width)) + * @direction: bitfield, '0' = input, '1' = output, + */ +struct htc_egpio_chip { + int reg_start; + int gpio_base; + int num_gpios; + unsigned long direction; + unsigned long initial_values; +}; + +/** + * struct htc_egpio_platform_data - description provided by the arch + * @irq_base: beginning of available IRQs (eg, IRQ_BOARD_START) + * @num_irqs: number of irqs + * @reg_width: number of bits per register, either 8 or 16 bit + * @bus_width: alignment of the registers, either 16 or 32 bit + * @invert_acks: set if chip requires writing '0' to ack an irq, instead of '1' + * @ack_register: location of the irq/ack register + * @chip: pointer to array of htc_egpio_chip descriptors + * @num_chips: number of egpio chip descriptors + */ +struct htc_egpio_platform_data { + int bus_width; + int reg_width; + + int irq_base; + int num_irqs; + int invert_acks; + int ack_register; + + struct htc_egpio_chip *chip; + int num_chips; +}; + +/* Determine the wakeup irq, to be called during early resume */ +extern int htc_egpio_get_wakeup_irq(struct device *dev); + +#endif diff --git a/include/linux/mfd/htc-pasic3.h b/include/linux/mfd/htc-pasic3.h new file mode 100644 index 000000000000..b4294f12c4f8 --- /dev/null +++ b/include/linux/mfd/htc-pasic3.h @@ -0,0 +1,55 @@ +/* + * HTC PASIC3 driver - LEDs and DS1WM + * + * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + */ + +#ifndef __PASIC3_H +#define __PASIC3_H + +#include <linux/platform_device.h> +#include <linux/leds.h> + +extern void pasic3_write_register(struct device *dev, u32 reg, u8 val); +extern u8 pasic3_read_register(struct device *dev, u32 reg); + +/* + * mask for registers 0x20,0x21,0x22 + */ +#define PASIC3_MASK_LED0 0x04 +#define PASIC3_MASK_LED1 0x08 +#define PASIC3_MASK_LED2 0x40 + +/* + * bits in register 0x06 + */ +#define PASIC3_BIT2_LED0 0x08 +#define PASIC3_BIT2_LED1 0x10 +#define PASIC3_BIT2_LED2 0x20 + +struct pasic3_led { + struct led_classdev led; + unsigned int hw_num; + unsigned int bit2; + unsigned int mask; + struct pasic3_leds_machinfo *pdata; +}; + +struct pasic3_leds_machinfo { + unsigned int num_leds; + unsigned int power_gpio; + struct pasic3_led *leds; +}; + +struct pasic3_platform_data { + struct pasic3_leds_machinfo *led_pdata; + unsigned int bus_shift; + unsigned int clock_rate; +}; + +#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index fed07d03364e..6a1e7afb099b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1541,6 +1541,12 @@ static inline void idle_task_exit(void) {} extern void sched_idle_next(void); +#if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP) +extern void wake_up_idle_cpu(int cpu); +#else +static inline void wake_up_idle_cpu(int cpu) { } +#endif + #ifdef CONFIG_SCHED_DEBUG extern unsigned int sysctl_sched_latency; extern unsigned int sysctl_sched_min_granularity; |