| Thomas Gleixner | fd534e9 | 2019-05-23 11:14:39 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Florian Fainelli | 55e331c | 2009-06-16 15:33:53 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org> |
| Florian Fainelli | 55e331c | 2009-06-16 15:33:53 -0700 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef __VLYNQ_H__ |
| 7 | #define __VLYNQ_H__ |
| 8 | |
| 9 | #include <linux/device.h> |
| Florian Fainelli | 55e331c | 2009-06-16 15:33:53 -0700 | [diff] [blame] | 10 | #include <linux/types.h> |
| 11 | |
| Paul Gortmaker | de47725 | 2011-05-26 13:46:22 -0400 | [diff] [blame] | 12 | struct module; |
| 13 | |
| Florian Fainelli | 55e331c | 2009-06-16 15:33:53 -0700 | [diff] [blame] | 14 | #define VLYNQ_NUM_IRQS 32 |
| 15 | |
| 16 | struct vlynq_mapping { |
| 17 | u32 size; |
| 18 | u32 offset; |
| 19 | }; |
| 20 | |
| 21 | enum vlynq_divisor { |
| 22 | vlynq_div_auto = 0, |
| 23 | vlynq_ldiv1, |
| 24 | vlynq_ldiv2, |
| 25 | vlynq_ldiv3, |
| 26 | vlynq_ldiv4, |
| 27 | vlynq_ldiv5, |
| 28 | vlynq_ldiv6, |
| 29 | vlynq_ldiv7, |
| 30 | vlynq_ldiv8, |
| 31 | vlynq_rdiv1, |
| 32 | vlynq_rdiv2, |
| 33 | vlynq_rdiv3, |
| 34 | vlynq_rdiv4, |
| 35 | vlynq_rdiv5, |
| 36 | vlynq_rdiv6, |
| 37 | vlynq_rdiv7, |
| 38 | vlynq_rdiv8, |
| 39 | vlynq_div_external |
| 40 | }; |
| 41 | |
| 42 | struct vlynq_device_id { |
| 43 | u32 id; |
| 44 | enum vlynq_divisor divisor; |
| 45 | unsigned long driver_data; |
| 46 | }; |
| 47 | |
| 48 | struct vlynq_regs; |
| 49 | struct vlynq_device { |
| 50 | u32 id, dev_id; |
| 51 | int local_irq; |
| 52 | int remote_irq; |
| 53 | enum vlynq_divisor divisor; |
| 54 | u32 regs_start, regs_end; |
| 55 | u32 mem_start, mem_end; |
| 56 | u32 irq_start, irq_end; |
| 57 | int irq; |
| 58 | int enabled; |
| 59 | struct vlynq_regs *local; |
| 60 | struct vlynq_regs *remote; |
| 61 | struct device dev; |
| 62 | }; |
| 63 | |
| 64 | struct vlynq_driver { |
| 65 | char *name; |
| 66 | struct vlynq_device_id *id_table; |
| 67 | int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id); |
| 68 | void (*remove)(struct vlynq_device *dev); |
| 69 | struct device_driver driver; |
| 70 | }; |
| 71 | |
| 72 | struct plat_vlynq_ops { |
| 73 | int (*on)(struct vlynq_device *dev); |
| 74 | void (*off)(struct vlynq_device *dev); |
| 75 | }; |
| 76 | |
| 77 | static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv) |
| 78 | { |
| 79 | return container_of(drv, struct vlynq_driver, driver); |
| 80 | } |
| 81 | |
| 82 | static inline struct vlynq_device *to_vlynq_device(struct device *device) |
| 83 | { |
| 84 | return container_of(device, struct vlynq_device, dev); |
| 85 | } |
| 86 | |
| 87 | extern struct bus_type vlynq_bus_type; |
| 88 | |
| 89 | extern int __vlynq_register_driver(struct vlynq_driver *driver, |
| 90 | struct module *owner); |
| 91 | |
| 92 | static inline int vlynq_register_driver(struct vlynq_driver *driver) |
| 93 | { |
| 94 | return __vlynq_register_driver(driver, THIS_MODULE); |
| 95 | } |
| 96 | |
| 97 | static inline void *vlynq_get_drvdata(struct vlynq_device *dev) |
| 98 | { |
| 99 | return dev_get_drvdata(&dev->dev); |
| 100 | } |
| 101 | |
| 102 | static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data) |
| 103 | { |
| 104 | dev_set_drvdata(&dev->dev, data); |
| 105 | } |
| 106 | |
| 107 | static inline u32 vlynq_mem_start(struct vlynq_device *dev) |
| 108 | { |
| 109 | return dev->mem_start; |
| 110 | } |
| 111 | |
| 112 | static inline u32 vlynq_mem_end(struct vlynq_device *dev) |
| 113 | { |
| 114 | return dev->mem_end; |
| 115 | } |
| 116 | |
| 117 | static inline u32 vlynq_mem_len(struct vlynq_device *dev) |
| 118 | { |
| 119 | return dev->mem_end - dev->mem_start + 1; |
| 120 | } |
| 121 | |
| 122 | static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq) |
| 123 | { |
| 124 | int irq = dev->irq_start + virq; |
| 125 | if ((irq < dev->irq_start) || (irq > dev->irq_end)) |
| 126 | return -EINVAL; |
| 127 | |
| 128 | return irq; |
| 129 | } |
| 130 | |
| 131 | static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq) |
| 132 | { |
| 133 | if ((irq < dev->irq_start) || (irq > dev->irq_end)) |
| 134 | return -EINVAL; |
| 135 | |
| 136 | return irq - dev->irq_start; |
| 137 | } |
| 138 | |
| 139 | extern void vlynq_unregister_driver(struct vlynq_driver *driver); |
| 140 | extern int vlynq_enable_device(struct vlynq_device *dev); |
| 141 | extern void vlynq_disable_device(struct vlynq_device *dev); |
| 142 | extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, |
| 143 | struct vlynq_mapping *mapping); |
| 144 | extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, |
| 145 | struct vlynq_mapping *mapping); |
| 146 | extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq); |
| 147 | extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq); |
| 148 | |
| 149 | #endif /* __VLYNQ_H__ */ |