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27#ifndef __FSL_RIO_H
28#define __FSL_RIO_H
29
30#include <linux/rio.h>
31#include <linux/rio_drv.h>
32#include <linux/kfifo.h>
33
34#define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)
35
36#define RIO_MAINT_WIN_SIZE 0x400000
37#define RIO_LTLEDCSR 0x0608
38
39#define DOORBELL_ROWAR_EN 0x80000000
40#define DOORBELL_ROWAR_TFLOWLV 0x08000000
41#define DOORBELL_ROWAR_PCI 0x02000000
42#define DOORBELL_ROWAR_NREAD 0x00040000
43#define DOORBELL_ROWAR_MAINTRD 0x00070000
44#define DOORBELL_ROWAR_RES 0x00002000
45#define DOORBELL_ROWAR_MAINTWD 0x00007000
46#define DOORBELL_ROWAR_SIZE 0x0000000b
47
48#define RIO_ATMU_REGS_PORT1_OFFSET 0x10c00
49#define RIO_ATMU_REGS_PORT2_OFFSET 0x10e00
50#define RIO_S_DBELL_REGS_OFFSET 0x13400
51#define RIO_S_PW_REGS_OFFSET 0x134e0
52#define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40
53#define RIO_INB_ATMU_REGS_PORT1_OFFSET 0x10d60
54#define RIO_INB_ATMU_REGS_PORT2_OFFSET 0x10f60
55
56#define MAX_MSG_UNIT_NUM 2
57#define MAX_PORT_NUM 4
58#define RIO_INB_ATMU_COUNT 4
59
60struct rio_atmu_regs {
61 u32 rowtar;
62 u32 rowtear;
63 u32 rowbar;
64 u32 pad1;
65 u32 rowar;
66 u32 pad2[3];
67};
68
69struct rio_inb_atmu_regs {
70 u32 riwtar;
71 u32 pad1;
72 u32 riwbar;
73 u32 pad2;
74 u32 riwar;
75 u32 pad3[3];
76};
77
78struct rio_dbell_ring {
79 void *virt;
80 dma_addr_t phys;
81};
82
83struct rio_port_write_msg {
84 void *virt;
85 dma_addr_t phys;
86 u32 msg_count;
87 u32 err_count;
88 u32 discard_count;
89};
90
91struct fsl_rio_dbell {
92 struct rio_mport *mport[MAX_PORT_NUM];
93 struct device *dev;
94 struct rio_dbell_regs __iomem *dbell_regs;
95 struct rio_dbell_ring dbell_ring;
96 int bellirq;
97};
98
99struct fsl_rio_pw {
100 struct rio_mport *mport[MAX_PORT_NUM];
101 struct device *dev;
102 struct rio_pw_regs __iomem *pw_regs;
103 struct rio_port_write_msg port_write_msg;
104 int pwirq;
105 struct work_struct pw_work;
106 struct kfifo pw_fifo;
107 spinlock_t pw_fifo_lock;
108};
109
110struct rio_priv {
111 struct device *dev;
112 void __iomem *regs_win;
113 struct rio_atmu_regs __iomem *atmu_regs;
114 struct rio_atmu_regs __iomem *maint_atmu_regs;
115 struct rio_inb_atmu_regs __iomem *inb_atmu_regs;
116 void __iomem *maint_win;
117 void *rmm_handle;
118};
119
120extern void __iomem *rio_regs_win;
121extern void __iomem *rmu_regs_win;
122
123extern resource_size_t rio_law_start;
124
125extern struct fsl_rio_dbell *dbell;
126extern struct fsl_rio_pw *pw;
127
128extern int fsl_rio_setup_rmu(struct rio_mport *mport,
129 struct device_node *node);
130extern int fsl_rio_port_write_init(struct fsl_rio_pw *pw);
131extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable);
132extern void fsl_rio_port_error_handler(int offset);
133extern int fsl_rio_doorbell_init(struct fsl_rio_dbell *dbell);
134
135extern int fsl_rio_doorbell_send(struct rio_mport *mport,
136 int index, u16 destid, u16 data);
137extern int fsl_add_outb_message(struct rio_mport *mport,
138 struct rio_dev *rdev,
139 int mbox, void *buffer, size_t len);
140extern int fsl_open_outb_mbox(struct rio_mport *mport,
141 void *dev_id, int mbox, int entries);
142extern void fsl_close_outb_mbox(struct rio_mport *mport, int mbox);
143extern int fsl_open_inb_mbox(struct rio_mport *mport,
144 void *dev_id, int mbox, int entries);
145extern void fsl_close_inb_mbox(struct rio_mport *mport, int mbox);
146extern int fsl_add_inb_buffer(struct rio_mport *mport, int mbox, void *buf);
147extern void *fsl_get_inb_message(struct rio_mport *mport, int mbox);
148
149#endif
150
