diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-arm/arch-pxa/pxa2xx_spi.h | 71 | ||||
-rw-r--r-- | include/asm-arm/arch-s3c2410/spi-gpio.h | 31 | ||||
-rw-r--r-- | include/asm-arm/arch-s3c2410/spi.h | 29 | ||||
-rw-r--r-- | include/asm-arm/procinfo.h | 2 | ||||
-rw-r--r-- | include/asm-arm/spinlock.h | 6 | ||||
-rw-r--r-- | include/asm-s390/unistd.h | 8 | ||||
-rw-r--r-- | include/linux/firmware.h | 1 | ||||
-rw-r--r-- | include/linux/fsl_devices.h | 11 | ||||
-rw-r--r-- | include/linux/kernel.h | 1 | ||||
-rw-r--r-- | include/linux/mmc/mmc.h | 1 | ||||
-rw-r--r-- | include/linux/mmzone.h | 1 | ||||
-rw-r--r-- | include/linux/rcupdate.h | 1 | ||||
-rw-r--r-- | include/linux/slab.h | 1 | ||||
-rw-r--r-- | include/linux/spi/spi.h | 45 | ||||
-rw-r--r-- | include/linux/spi/spi_bitbang.h | 8 | ||||
-rw-r--r-- | include/linux/swap.h | 2 | ||||
-rw-r--r-- | include/net/neighbour.h | 1 | ||||
-rw-r--r-- | include/net/sctp/command.h | 1 | ||||
-rw-r--r-- | include/net/sctp/sctp.h | 6 |
19 files changed, 202 insertions, 25 deletions
diff --git a/include/asm-arm/arch-pxa/pxa2xx_spi.h b/include/asm-arm/arch-pxa/pxa2xx_spi.h new file mode 100644 index 000000000000..915590c391c8 --- /dev/null +++ b/include/asm-arm/arch-pxa/pxa2xx_spi.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef PXA2XX_SPI_H_ +#define PXA2XX_SPI_H_ + +#define PXA2XX_CS_ASSERT (0x01) +#define PXA2XX_CS_DEASSERT (0x02) + +#if defined(CONFIG_PXA25x) +#define CLOCK_SPEED_HZ 3686400 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/2/(x+1))<<8)&0x0000ff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (2712) +#elif defined(CONFIG_PXA27x) +#define CLOCK_SPEED_HZ 13000000 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (769) +#endif + +#define SSP_TIMEOUT(x) ((x*10000)/SSP_TIMEOUT_SCALE) +#define SSP1_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(1))))) +#define SSP2_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(2))))) +#define SSP3_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(3))))) + +enum pxa_ssp_type { + SSP_UNDEFINED = 0, + PXA25x_SSP, /* pxa 210, 250, 255, 26x */ + PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ + PXA27x_SSP, +}; + +/* device.platform_data for SSP controller devices */ +struct pxa2xx_spi_master { + enum pxa_ssp_type ssp_type; + u32 clock_enable; + u16 num_chipselect; + u8 enable_dma; +}; + +/* spi_board_info.controller_data for SPI slave devices, + * copied to spi_device.platform_data ... mostly for dma tuning + */ +struct pxa2xx_spi_chip { + u8 tx_threshold; + u8 rx_threshold; + u8 dma_burst_size; + u32 timeout_microsecs; + u8 enable_loopback; + void (*cs_control)(u32 command); +}; + +#endif /*PXA2XX_SPI_H_*/ diff --git a/include/asm-arm/arch-s3c2410/spi-gpio.h b/include/asm-arm/arch-s3c2410/spi-gpio.h new file mode 100644 index 000000000000..258c00bca270 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi-gpio.h @@ -0,0 +1,31 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platfrom_device info + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SPIGPIO_H +#define __ASM_ARCH_SPIGPIO_H __FILE__ + +struct s3c2410_spigpio_info; +struct spi_board_info; + +struct s3c2410_spigpio_info { + unsigned long pin_clk; + unsigned long pin_mosi; + unsigned long pin_miso; + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs); +}; + + +#endif /* __ASM_ARCH_SPIGPIO_H */ diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h new file mode 100644 index 000000000000..4029a1a1ab40 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi.h @@ -0,0 +1,29 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platform_device info + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SPI_H +#define __ASM_ARCH_SPI_H __FILE__ + +struct s3c2410_spi_info; +struct spi_board_info; + +struct s3c2410_spi_info { + unsigned long pin_cs; /* simple gpio cs */ + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); +}; + + +#endif /* __ASM_ARCH_SPI_H */ diff --git a/include/asm-arm/procinfo.h b/include/asm-arm/procinfo.h index a9c75b2c314f..842526055225 100644 --- a/include/asm-arm/procinfo.h +++ b/include/asm-arm/procinfo.h @@ -45,8 +45,6 @@ extern unsigned int elf_hwcap; #endif /* __ASSEMBLY__ */ -#define PROC_INFO_SZ 48 - #define HWCAP_SWP 1 #define HWCAP_HALF 2 #define HWCAP_THUMB 4 diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 43ad4e55878c..406ca97a8ab2 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -142,6 +142,9 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) : "cc"); } +/* write_can_lock - would write_trylock() succeed? */ +#define __raw_write_can_lock(x) ((x)->lock == 0x80000000) + /* * Read locks are a bit more hairy: * - Exclusively load the lock value. @@ -198,4 +201,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) #define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +/* read_can_lock - would read_trylock() succeed? */ +#define __raw_read_can_lock(x) ((x)->lock < 0x80000000) + #endif /* __ASM_SPINLOCK_H */ diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h index 657d582e8149..41c2792ff6b0 100644 --- a/include/asm-s390/unistd.h +++ b/include/asm-s390/unistd.h @@ -296,8 +296,14 @@ #define __NR_pselect6 301 #define __NR_ppoll 302 #define __NR_unshare 303 +#define __NR_set_robust_list 304 +#define __NR_get_robust_list 305 +#define __NR_splice 306 +#define __NR_sync_file_range 307 +#define __NR_tee 308 +#define __NR_vmsplice 309 -#define NR_syscalls 304 +#define NR_syscalls 310 /* * There are some system calls that are not present on 64 bit, some diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 2d716080be4a..33d8f2087b6e 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -19,5 +19,4 @@ int request_firmware_nowait( void (*cont)(const struct firmware *fw, void *context)); void release_firmware(const struct firmware *fw); -void register_firmware(const char *name, const u8 *data, size_t size); #endif diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index a3a0e078f79d..16fbe59edeb1 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -110,5 +110,16 @@ struct fsl_usb2_platform_data { #define FSL_USB2_PORT0_ENABLED 0x00000001 #define FSL_USB2_PORT1_ENABLED 0x00000002 +struct fsl_spi_platform_data { + u32 initial_spmode; /* initial SPMODE value */ + u16 bus_num; + + /* board specific information */ + u16 max_chipselect; + void (*activate_cs)(u8 cs, u8 polarity); + void (*deactivate_cs)(u8 cs, u8 polarity); + u32 sysclk; +}; + #endif /* _FSL_DEVICE_H_ */ #endif /* __KERNEL__ */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e1bd0842f6a1..f4fc576ed4c4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -124,6 +124,7 @@ extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); extern unsigned long long memparse(char *ptr, char **retptr); +extern int core_kernel_text(unsigned long addr); extern int __kernel_text_address(unsigned long addr); extern int kernel_text_address(unsigned long addr); extern int session_of_pgrp(int pgrp); diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index bdc556d88498..03a14a30c46a 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -69,6 +69,7 @@ struct mmc_data { unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ unsigned int timeout_clks; /* data timeout (in clocks) */ unsigned int blksz_bits; /* data block size */ + unsigned int blksz; /* data block size */ unsigned int blocks; /* number of blocks */ unsigned int error; /* data error */ unsigned int flags; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index b5c21122c299..36740354d4db 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -22,6 +22,7 @@ #else #define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER #endif +#define MAX_ORDER_NR_PAGES (1 << (MAX_ORDER - 1)) struct free_area { struct list_head free_list; diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 5673008b61e1..970284f571a6 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -132,6 +132,7 @@ static inline void rcu_bh_qsctr_inc(int cpu) } extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); /** * rcu_read_lock - mark the beginning of an RCU read-side critical section. diff --git a/include/linux/slab.h b/include/linux/slab.h index 3af03b19c983..2d985d59c7b8 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -150,6 +150,7 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags) extern void kfree(const void *); extern unsigned int ksize(const void *); +extern int slab_is_available(void); #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node(kmem_cache_t *, gfp_t flags, int node); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index b05f1463a267..e928c0dcc297 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -31,18 +31,23 @@ extern struct bus_type spi_bus_type; * @master: SPI controller used with the device. * @max_speed_hz: Maximum clock rate to be used with this chip * (on this board); may be changed by the device's driver. + * The spi_transfer.speed_hz can override this for each transfer. * @chip-select: Chipselect, distinguishing chips handled by "master". * @mode: The spi mode defines how data is clocked out and in. * This may be changed by the device's driver. + * The "active low" default for chipselect mode can be overridden, + * as can the "MSB first" default for each word in a transfer. * @bits_per_word: Data transfers involve one or more words; word sizes - * like eight or 12 bits are common. In-memory wordsizes are + * like eight or 12 bits are common. In-memory wordsizes are * powers of two bytes (e.g. 20 bit samples use 32 bits). - * This may be changed by the device's driver. + * This may be changed by the device's driver, or left at the + * default (0) indicating protocol words are eight bit bytes. + * The spi_transfer.bits_per_word can override this for each transfer. * @irq: Negative, or the number passed to request_irq() to receive - * interrupts from this device. + * interrupts from this device. * @controller_state: Controller's runtime state * @controller_data: Board-specific definitions for controller, such as - * FIFO initialization parameters; from board_info.controller_data + * FIFO initialization parameters; from board_info.controller_data * * An spi_device is used to interchange data between an SPI slave * (usually a discrete chip) and CPU memory. @@ -65,6 +70,7 @@ struct spi_device { #define SPI_MODE_2 (SPI_CPOL|0) #define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) #define SPI_CS_HIGH 0x04 /* chipselect active high? */ +#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */ u8 bits_per_word; int irq; void *controller_state; @@ -73,7 +79,6 @@ struct spi_device { // likely need more hooks for more protocol options affecting how // the controller talks to each chip, like: - // - bit order (default is wordwise msb-first) // - memory packing (12 bit samples into low bits, others zeroed) // - priority // - drop chipselect after each word @@ -143,13 +148,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * struct spi_master - interface to SPI master controller * @cdev: class interface to this driver * @bus_num: board-specific (and often SOC-specific) identifier for a - * given SPI controller. + * given SPI controller. * @num_chipselect: chipselects are used to distinguish individual - * SPI slaves, and are numbered from zero to num_chipselects. - * each slave has a chipselect signal, but it's common that not - * every chipselect is connected to a slave. + * SPI slaves, and are numbered from zero to num_chipselects. + * each slave has a chipselect signal, but it's common that not + * every chipselect is connected to a slave. * @setup: updates the device mode and clocking records used by a - * device's SPI controller; protocol code may call this. + * device's SPI controller; protocol code may call this. * @transfer: adds a message to the controller's transfer queue. * @cleanup: frees controller-specific state * @@ -167,13 +172,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) struct spi_master { struct class_device cdev; - /* other than zero (== assign one dynamically), bus_num is fully + /* other than negative (== assign one dynamically), bus_num is fully * board-specific. usually that simplifies to being SOC-specific. - * example: one SOC has three SPI controllers, numbered 1..3, + * example: one SOC has three SPI controllers, numbered 0..2, * and one board's schematics might show it using SPI-2. software * would normally use bus_num=2 for that controller. */ - u16 bus_num; + s16 bus_num; /* chipselects will be integral to many controllers; some others * might use board-specific GPIOs. @@ -268,10 +273,14 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * @tx_dma: DMA address of tx_buf, if spi_message.is_dma_mapped * @rx_dma: DMA address of rx_buf, if spi_message.is_dma_mapped * @len: size of rx and tx buffers (in bytes) + * @speed_hz: Select a speed other then the device default for this + * transfer. If 0 the default (from spi_device) is used. + * @bits_per_word: select a bits_per_word other then the device default + * for this transfer. If 0 the default (from spi_device) is used. * @cs_change: affects chipselect after this transfer completes * @delay_usecs: microseconds to delay after this transfer before - * (optionally) changing the chipselect status, then starting - * the next transfer or completing this spi_message. + * (optionally) changing the chipselect status, then starting + * the next transfer or completing this spi_message. * @transfer_list: transfers are sequenced through spi_message.transfers * * SPI transfers always write the same number of bytes as they read. @@ -322,7 +331,9 @@ struct spi_transfer { dma_addr_t rx_dma; unsigned cs_change:1; + u8 bits_per_word; u16 delay_usecs; + u32 speed_hz; struct list_head transfer_list; }; @@ -356,7 +367,7 @@ struct spi_transfer { * and its transfers, ignore them until its completion callback. */ struct spi_message { - struct list_head transfers; + struct list_head transfers; struct spi_device *spi; @@ -374,7 +385,7 @@ struct spi_message { */ /* completion is reported through a callback */ - void (*complete)(void *context); + void (*complete)(void *context); void *context; unsigned actual_length; int status; diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h index c961fe9bf3eb..16ce178f54d7 100644 --- a/include/linux/spi/spi_bitbang.h +++ b/include/linux/spi/spi_bitbang.h @@ -30,6 +30,12 @@ struct spi_bitbang { struct spi_master *master; + /* setup_transfer() changes clock and/or wordsize to match settings + * for this transfer; zeroes restore defaults from spi_device. + */ + int (*setup_transfer)(struct spi_device *spi, + struct spi_transfer *t); + void (*chipselect)(struct spi_device *spi, int is_on); #define BITBANG_CS_ACTIVE 1 /* normally nCS, active low */ #define BITBANG_CS_INACTIVE 0 @@ -51,6 +57,8 @@ struct spi_bitbang { extern int spi_bitbang_setup(struct spi_device *spi); extern void spi_bitbang_cleanup(const struct spi_device *spi); extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m); +extern int spi_bitbang_setup_transfer(struct spi_device *spi, + struct spi_transfer *t); /* start or stop queue processing */ extern int spi_bitbang_start(struct spi_bitbang *spi); diff --git a/include/linux/swap.h b/include/linux/swap.h index 5b1fdf1cff4f..f03c24719302 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -296,7 +296,7 @@ static inline void disable_swap_token(void) #define read_swap_cache_async(swp,vma,addr) NULL #define lookup_swap_cache(swp) NULL #define valid_swaphandles(swp, off) 0 -#define can_share_swap_page(p) 0 +#define can_share_swap_page(p) (page_mapcount(p) == 1) #define move_to_swap_cache(p, swp) 1 #define move_from_swap_cache(p, i, m) 1 #define __delete_from_swap_cache(p) /*NOTHING*/ diff --git a/include/net/neighbour.h b/include/net/neighbour.h index b0666d66293f..4901ee446879 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -211,6 +211,7 @@ struct neigh_table #define NEIGH_UPDATE_F_ADMIN 0x80000000 extern void neigh_table_init(struct neigh_table *tbl); +extern void neigh_table_init_no_netlink(struct neigh_table *tbl); extern int neigh_table_clear(struct neigh_table *tbl); extern struct neighbour * neigh_lookup(struct neigh_table *tbl, const void *pkey, diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index 34a1a09e5aef..807d6f1ef4b5 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -99,6 +99,7 @@ typedef enum { SCTP_CMD_DEL_NON_PRIMARY, /* Removes non-primary peer transports. */ SCTP_CMD_T3_RTX_TIMERS_STOP, /* Stops T3-rtx pending timers */ SCTP_CMD_FORCE_PRIM_RETRAN, /* Forces retrans. over primary path. */ + SCTP_CMD_SET_SK_ERR, /* Set sk_err */ SCTP_CMD_LAST } sctp_verb_t; diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index e673b2c984e9..aa6033ca7cd8 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -461,12 +461,12 @@ static inline int sctp_frag_point(const struct sctp_sock *sp, int pmtu) * there is room for a param header too. */ #define sctp_walk_params(pos, chunk, member)\ -_sctp_walk_params((pos), (chunk), WORD_ROUND(ntohs((chunk)->chunk_hdr.length)), member) +_sctp_walk_params((pos), (chunk), ntohs((chunk)->chunk_hdr.length), member) #define _sctp_walk_params(pos, chunk, end, member)\ for (pos.v = chunk->member;\ pos.v <= (void *)chunk + end - sizeof(sctp_paramhdr_t) &&\ - pos.v <= (void *)chunk + end - WORD_ROUND(ntohs(pos.p->length)) &&\ + pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\ ntohs(pos.p->length) >= sizeof(sctp_paramhdr_t);\ pos.v += WORD_ROUND(ntohs(pos.p->length))) @@ -477,7 +477,7 @@ _sctp_walk_errors((err), (chunk_hdr), ntohs((chunk_hdr)->length)) for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \ sizeof(sctp_chunkhdr_t));\ (void *)err <= (void *)chunk_hdr + end - sizeof(sctp_errhdr_t) &&\ - (void *)err <= (void *)chunk_hdr + end - WORD_ROUND(ntohs(err->length)) &&\ + (void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\ ntohs(err->length) >= sizeof(sctp_errhdr_t); \ err = (sctp_errhdr_t *)((void *)err + WORD_ROUND(ntohs(err->length)))) |