projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| f5e706ad SR |
1 | /* |
| 2 | * ebus.h: PCI to Ebus pseudo driver software state. | |
| 3 | * | |
| 4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) | |
| 5 | * Copyright (C) 1999 David S. Miller (davem@redhat.com) | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef __SPARC64_EBUS_H | |
| 9 | #define __SPARC64_EBUS_H | |
| 10 | ||
| 11 | #include <asm/oplib.h> | |
| 12 | #include <asm/prom.h> | |
| 13 | #include <asm/of_device.h> | |
| 14 | ||
| 15 | struct linux_ebus_child { | |
| 16 | struct linux_ebus_child *next; | |
| 17 | struct linux_ebus_device *parent; | |
| 18 | struct linux_ebus *bus; | |
| 19 | struct device_node *prom_node; | |
| 20 | struct resource resource[PROMREG_MAX]; | |
| 21 | int num_addrs; | |
| 22 | unsigned int irqs[PROMINTR_MAX]; | |
| 23 | int num_irqs; | |
| 24 | }; | |
| 25 | ||
| 26 | struct linux_ebus_device { | |
| 27 | struct of_device ofdev; | |
| 28 | struct linux_ebus_device *next; | |
| 29 | struct linux_ebus_child *children; | |
| 30 | struct linux_ebus *bus; | |
| 31 | struct device_node *prom_node; | |
| 32 | struct resource resource[PROMREG_MAX]; | |
| 33 | int num_addrs; | |
| 34 | unsigned int irqs[PROMINTR_MAX]; | |
| 35 | int num_irqs; | |
| 36 | }; | |
| 37 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) | |
| 38 | ||
| 39 | struct linux_ebus { | |
| 40 | struct of_device ofdev; | |
| 41 | struct linux_ebus *next; | |
| 42 | struct linux_ebus_device *devices; | |
| 43 | struct pci_dev *self; | |
| 44 | int index; | |
| 45 | int is_rio; | |
| 46 | struct device_node *prom_node; | |
| 47 | }; | |
| 48 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) | |
| 49 | ||
| 50 | struct ebus_dma_info { | |
| 51 | spinlock_t lock; | |
| 52 | void __iomem *regs; | |
| 53 | ||
| 54 | unsigned int flags; | |
| 55 | #define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 | |
| 56 | #define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 | |
| 57 | ||
| 58 | /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is | |
| 59 | * set. | |
| 60 | */ | |
| 61 | void (*callback)(struct ebus_dma_info *p, int event, void *cookie); | |
| 62 | void *client_cookie; | |
| 63 | unsigned int irq; | |
| 64 | #define EBUS_DMA_EVENT_ERROR 1 | |
| 65 | #define EBUS_DMA_EVENT_DMA 2 | |
| 66 | #define EBUS_DMA_EVENT_DEVICE 4 | |
| 67 | ||
| 68 | unsigned char name[64]; | |
| 69 | }; | |
| 70 | ||
| 71 | extern int ebus_dma_register(struct ebus_dma_info *p); | |
| 72 | extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); | |
| 73 | extern void ebus_dma_unregister(struct ebus_dma_info *p); | |
| 74 | extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, | |
| 75 | size_t len); | |
| 76 | extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); | |
| 77 | extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); | |
| 78 | extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); | |
| 79 | extern void ebus_dma_enable(struct ebus_dma_info *p, int on); | |
| 80 | ||
| 81 | extern struct linux_ebus *ebus_chain; | |
| 82 | ||
| 83 | extern void ebus_init(void); | |
| 84 | ||
| 85 | #define for_each_ebus(bus) \ | |
| 86 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) | |
| 87 | ||
| 88 | #define for_each_ebusdev(dev, bus) \ | |
| 89 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) | |
| 90 | ||
| 91 | #define for_each_edevchild(dev, child) \ | |
| 92 | for((child) = (dev)->children; (child); (child) = (child)->next) | |
| 93 | ||
| 94 | #endif /* !(__SPARC64_EBUS_H) */ |