projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d0cfb52 PG |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (c) 2005 Stanislaw Skowronek <skylark@linux-mips.org> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _LINUX_IOC3_H | |
| 10 | #define _LINUX_IOC3_H | |
| 11 | ||
| 12 | #include <asm/sn/ioc3.h> | |
| 13 | ||
| 14 | #define IOC3_MAX_SUBMODULES 32 | |
| 15 | ||
| 16 | #define IOC3_CLASS_NONE 0 | |
| 17 | #define IOC3_CLASS_BASE_IP27 1 | |
| 18 | #define IOC3_CLASS_BASE_IP30 2 | |
| 19 | #define IOC3_CLASS_MENET_123 3 | |
| 20 | #define IOC3_CLASS_MENET_4 4 | |
| 21 | #define IOC3_CLASS_CADDUO 5 | |
| 22 | #define IOC3_CLASS_SERIAL 6 | |
| 23 | ||
| 24 | /* One of these per IOC3 */ | |
| 25 | struct ioc3_driver_data { | |
| 26 | struct list_head list; | |
| 27 | int id; /* IOC3 sequence number */ | |
| 28 | /* PCI mapping */ | |
| 29 | unsigned long pma; /* physical address */ | |
| d6561010 | 30 | struct ioc3 __iomem *vma; /* pointer to registers */ |
| 2d0cfb52 PG |
31 | struct pci_dev *pdev; /* PCI device */ |
| 32 | /* IRQ stuff */ | |
| 33 | int dual_irq; /* set if separate IRQs are used */ | |
| 34 | int irq_io, irq_eth; /* IRQ numbers */ | |
| 35 | /* GPIO magic */ | |
| 36 | spinlock_t gpio_lock; | |
| 37 | unsigned int gpdr_shadow; | |
| 38 | /* NIC identifiers */ | |
| 39 | char nic_part[32]; | |
| 40 | char nic_serial[16]; | |
| 41 | char nic_mac[6]; | |
| 42 | /* submodule set */ | |
| 43 | int class; | |
| 44 | void *data[IOC3_MAX_SUBMODULES]; /* for submodule use */ | |
| 45 | int active[IOC3_MAX_SUBMODULES]; /* set if probe succeeds */ | |
| 46 | /* is_ir_lock must be held while | |
| 47 | * modifying sio_ie values, so | |
| 48 | * we can be sure that sio_ie is | |
| 49 | * not changing when we read it | |
| 50 | * along with sio_ir. | |
| 51 | */ | |
| 52 | spinlock_t ir_lock; /* SIO_IE[SC] mod lock */ | |
| 53 | }; | |
| 54 | ||
| 55 | /* One per submodule */ | |
| 56 | struct ioc3_submodule { | |
| 57 | char *name; /* descriptive submodule name */ | |
| 58 | struct module *owner; /* owning kernel module */ | |
| 59 | int ethernet; /* set for ethernet drivers */ | |
| 60 | int (*probe) (struct ioc3_submodule *, struct ioc3_driver_data *); | |
| 61 | int (*remove) (struct ioc3_submodule *, struct ioc3_driver_data *); | |
| 62 | int id; /* assigned by IOC3, index for the "data" array */ | |
| 63 | /* IRQ stuff */ | |
| 64 | unsigned int irq_mask; /* IOC3 IRQ mask, leave clear for Ethernet */ | |
| 65 | int reset_mask; /* non-zero if you want the ioc3.c module to reset interrupts */ | |
| 7d12e780 | 66 | int (*intr) (struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int); |
| 2d0cfb52 PG |
67 | /* private submodule data */ |
| 68 | void *data; /* assigned by submodule */ | |
| 69 | }; | |
| 70 | ||
| 71 | /********************************** | |
| 72 | * Functions needed by submodules * | |
| 73 | **********************************/ | |
| 74 | ||
| 75 | #define IOC3_W_IES 0 | |
| 76 | #define IOC3_W_IEC 1 | |
| 77 | ||
| 78 | /* registers a submodule for all existing and future IOC3 chips */ | |
| 79 | extern int ioc3_register_submodule(struct ioc3_submodule *); | |
| 80 | /* unregisters a submodule */ | |
| 81 | extern void ioc3_unregister_submodule(struct ioc3_submodule *); | |
| 82 | /* enables IRQs indicated by irq_mask for a specified IOC3 chip */ | |
| 83 | extern void ioc3_enable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int); | |
| 84 | /* ackowledges specified IRQs */ | |
| 85 | extern void ioc3_ack(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int); | |
| 86 | /* disables IRQs indicated by irq_mask for a specified IOC3 chip */ | |
| 87 | extern void ioc3_disable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int); | |
| 88 | /* atomically sets GPCR bits */ | |
| 89 | extern void ioc3_gpcr_set(struct ioc3_driver_data *, unsigned int); | |
| 90 | /* general ireg writer */ | |
| 91 | extern void ioc3_write_ireg(struct ioc3_driver_data *idd, uint32_t value, int reg); | |
| 92 | ||
| 93 | #endif |