diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/amba/bus.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/amba/bus.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/ANDROID_3.4.5/include/linux/amba/bus.h b/ANDROID_3.4.5/include/linux/amba/bus.h deleted file mode 100644 index 8d54f794..00000000 --- a/ANDROID_3.4.5/include/linux/amba/bus.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * linux/include/amba/bus.h - * - * This device type deals with ARM PrimeCells and anything else that - * presents a proper CID (0xB105F00D) at the end of the I/O register - * region or that is derived from a PrimeCell. - * - * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved. - * - * 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 ASMARM_AMBA_H -#define ASMARM_AMBA_H - -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/mod_devicetable.h> -#include <linux/err.h> -#include <linux/resource.h> -#include <linux/regulator/consumer.h> - -#define AMBA_NR_IRQS 2 -#define AMBA_CID 0xb105f00d - -struct clk; - -struct amba_device { - struct device dev; - struct resource res; - struct clk *pclk; - u64 dma_mask; - unsigned int periphid; - unsigned int irq[AMBA_NR_IRQS]; -}; - -struct amba_driver { - struct device_driver drv; - int (*probe)(struct amba_device *, const struct amba_id *); - int (*remove)(struct amba_device *); - void (*shutdown)(struct amba_device *); - int (*suspend)(struct amba_device *, pm_message_t); - int (*resume)(struct amba_device *); - const struct amba_id *id_table; -}; - -enum amba_vendor { - AMBA_VENDOR_ARM = 0x41, - AMBA_VENDOR_ST = 0x80, -}; - -extern struct bus_type amba_bustype; - -#define to_amba_device(d) container_of(d, struct amba_device, dev) - -#define amba_get_drvdata(d) dev_get_drvdata(&d->dev) -#define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p) - -int amba_driver_register(struct amba_driver *); -void amba_driver_unregister(struct amba_driver *); -struct amba_device *amba_device_alloc(const char *, resource_size_t, size_t); -void amba_device_put(struct amba_device *); -int amba_device_add(struct amba_device *, struct resource *); -int amba_device_register(struct amba_device *, struct resource *); -void amba_device_unregister(struct amba_device *); -struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int); -int amba_request_regions(struct amba_device *, const char *); -void amba_release_regions(struct amba_device *); - -#define amba_pclk_enable(d) \ - (IS_ERR((d)->pclk) ? 0 : clk_enable((d)->pclk)) - -#define amba_pclk_disable(d) \ - do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) - -/* Some drivers don't use the struct amba_device */ -#define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) -#define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) -#define AMBA_MANF_BITS(a) (((a) >> 12) & 0xff) -#define AMBA_PART_BITS(a) ((a) & 0xfff) - -#define amba_config(d) AMBA_CONFIG_BITS((d)->periphid) -#define amba_rev(d) AMBA_REV_BITS((d)->periphid) -#define amba_manf(d) AMBA_MANF_BITS((d)->periphid) -#define amba_part(d) AMBA_PART_BITS((d)->periphid) - -#define __AMBA_DEV(busid, data, mask) \ - { \ - .coherent_dma_mask = mask, \ - .init_name = busid, \ - .platform_data = data, \ - } - -/* - * APB devices do not themselves have the ability to address memory, - * so DMA masks should be zero (much like USB peripheral devices.) - * The DMA controller DMA masks should be used instead (much like - * USB host controllers in conventional PCs.) - */ -#define AMBA_APB_DEVICE(name, busid, id, base, irqs, data) \ -struct amba_device name##_device = { \ - .dev = __AMBA_DEV(busid, data, 0), \ - .res = DEFINE_RES_MEM(base, SZ_4K), \ - .irq = irqs, \ - .periphid = id, \ -} - -/* - * AHB devices are DMA capable, so set their DMA masks - */ -#define AMBA_AHB_DEVICE(name, busid, id, base, irqs, data) \ -struct amba_device name##_device = { \ - .dev = __AMBA_DEV(busid, data, ~0ULL), \ - .res = DEFINE_RES_MEM(base, SZ_4K), \ - .dma_mask = ~0ULL, \ - .irq = irqs, \ - .periphid = id, \ -} - -/* - * module_amba_driver() - Helper macro for drivers that don't do anything - * special in module init/exit. This eliminates a lot of boilerplate. Each - * module may only use this macro once, and calling it replaces module_init() - * and module_exit() - */ -#define module_amba_driver(__amba_drv) \ - module_driver(__amba_drv, amba_driver_register, amba_driver_unregister) - -#endif |