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12#include <linux/mod_devicetable.h>
13#include <linux/device.h>
14#include <linux/interrupt.h>
15
16#define IPACK_IDPROM_OFFSET_I 0x01
17#define IPACK_IDPROM_OFFSET_P 0x03
18#define IPACK_IDPROM_OFFSET_A 0x05
19#define IPACK_IDPROM_OFFSET_C 0x07
20#define IPACK_IDPROM_OFFSET_MANUFACTURER_ID 0x09
21#define IPACK_IDPROM_OFFSET_MODEL 0x0B
22#define IPACK_IDPROM_OFFSET_REVISION 0x0D
23#define IPACK_IDPROM_OFFSET_RESERVED 0x0F
24#define IPACK_IDPROM_OFFSET_DRIVER_ID_L 0x11
25#define IPACK_IDPROM_OFFSET_DRIVER_ID_H 0x13
26#define IPACK_IDPROM_OFFSET_NUM_BYTES 0x15
27#define IPACK_IDPROM_OFFSET_CRC 0x17
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34#define IPACK_ID_VERSION_INVALID 0x00
35#define IPACK_ID_VERSION_1 0x01
36#define IPACK_ID_VERSION_2 0x02
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38
39#define IPACK1_VENDOR_ID_RESERVED1 0x00
40#define IPACK1_VENDOR_ID_RESERVED2 0xFF
41#define IPACK1_VENDOR_ID_UNREGISTRED01 0x01
42#define IPACK1_VENDOR_ID_UNREGISTRED02 0x02
43#define IPACK1_VENDOR_ID_UNREGISTRED03 0x03
44#define IPACK1_VENDOR_ID_UNREGISTRED04 0x04
45#define IPACK1_VENDOR_ID_UNREGISTRED05 0x05
46#define IPACK1_VENDOR_ID_UNREGISTRED06 0x06
47#define IPACK1_VENDOR_ID_UNREGISTRED07 0x07
48#define IPACK1_VENDOR_ID_UNREGISTRED08 0x08
49#define IPACK1_VENDOR_ID_UNREGISTRED09 0x09
50#define IPACK1_VENDOR_ID_UNREGISTRED10 0x0A
51#define IPACK1_VENDOR_ID_UNREGISTRED11 0x0B
52#define IPACK1_VENDOR_ID_UNREGISTRED12 0x0C
53#define IPACK1_VENDOR_ID_UNREGISTRED13 0x0D
54#define IPACK1_VENDOR_ID_UNREGISTRED14 0x0E
55#define IPACK1_VENDOR_ID_UNREGISTRED15 0x0F
56
57#define IPACK1_VENDOR_ID_SBS 0xF0
58#define IPACK1_DEVICE_ID_SBS_OCTAL_232 0x22
59#define IPACK1_DEVICE_ID_SBS_OCTAL_422 0x2A
60#define IPACK1_DEVICE_ID_SBS_OCTAL_485 0x48
61
62struct ipack_bus_ops;
63struct ipack_driver;
64
65enum ipack_space {
66 IPACK_IO_SPACE = 0,
67 IPACK_ID_SPACE,
68 IPACK_INT_SPACE,
69 IPACK_MEM8_SPACE,
70 IPACK_MEM16_SPACE,
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73 IPACK_SPACE_COUNT,
74};
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78struct ipack_region {
79 phys_addr_t start;
80 size_t size;
81};
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97struct ipack_device {
98 unsigned int slot;
99 struct ipack_bus_device *bus;
100 struct device dev;
101 void (*release) (struct ipack_device *dev);
102 struct ipack_region region[IPACK_SPACE_COUNT];
103 u8 *id;
104 size_t id_avail;
105 u32 id_vendor;
106 u32 id_device;
107 u8 id_format;
108 unsigned int id_crc_correct:1;
109 unsigned int speed_8mhz:1;
110 unsigned int speed_32mhz:1;
111};
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121struct ipack_driver_ops {
122 int (*probe) (struct ipack_device *dev);
123 void (*remove) (struct ipack_device *dev);
124};
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132struct ipack_driver {
133 struct device_driver driver;
134 const struct ipack_device_id *id_table;
135 const struct ipack_driver_ops *ops;
136};
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155struct ipack_bus_ops {
156 int (*request_irq) (struct ipack_device *dev,
157 irqreturn_t (*handler)(void *), void *arg);
158 int (*free_irq) (struct ipack_device *dev);
159 int (*get_clockrate) (struct ipack_device *dev);
160 int (*set_clockrate) (struct ipack_device *dev, int mherz);
161 int (*get_error) (struct ipack_device *dev);
162 int (*get_timeout) (struct ipack_device *dev);
163 int (*reset_timeout) (struct ipack_device *dev);
164};
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174struct ipack_bus_device {
175 struct module *owner;
176 struct device *parent;
177 int slots;
178 int bus_nr;
179 const struct ipack_bus_ops *ops;
180};
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192struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
193 const struct ipack_bus_ops *ops,
194 struct module *owner);
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199int ipack_bus_unregister(struct ipack_bus_device *bus);
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207int ipack_driver_register(struct ipack_driver *edrv, struct module *owner,
208 const char *name);
209void ipack_driver_unregister(struct ipack_driver *edrv);
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227int ipack_device_init(struct ipack_device *dev);
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242int ipack_device_add(struct ipack_device *dev);
243void ipack_device_del(struct ipack_device *dev);
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245void ipack_get_device(struct ipack_device *dev);
246void ipack_put_device(struct ipack_device *dev);
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255#define DEFINE_IPACK_DEVICE_TABLE(_table) \
256 const struct ipack_device_id _table[]
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266#define IPACK_DEVICE(_format, vend, dev) \
267 .format = (_format), \
268 .vendor = (vend), \
269 .device = (dev)
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276static inline int ipack_get_carrier(struct ipack_device *dev)
277{
278 return try_module_get(dev->bus->owner);
279}
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286static inline void ipack_put_carrier(struct ipack_device *dev)
287{
288 module_put(dev->bus->owner);
289}
290