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9#ifndef _VOP_BUS_H_
10#define _VOP_BUS_H_
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15#include <linux/dmaengine.h>
16#include <linux/interrupt.h>
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18#include "../common/mic_dev.h"
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20struct vop_device_id {
21 u32 device;
22 u32 vendor;
23};
24
25#define VOP_DEV_TRNSP 1
26#define VOP_DEV_ANY_ID 0xffffffff
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31#define VOP_INT_DMA_BUF_SIZE PAGE_ALIGN(64 * 1024ULL)
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43struct vop_device {
44 struct vop_hw_ops *hw_ops;
45 struct vop_device_id id;
46 struct device dev;
47 u8 dnode;
48 struct mic_mw *aper;
49 struct dma_chan *dma_ch;
50 int index;
51};
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60struct vop_driver {
61 struct device_driver driver;
62 const struct vop_device_id *id_table;
63 int (*probe)(struct vop_device *dev);
64 void (*remove)(struct vop_device *dev);
65};
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84struct vop_hw_ops {
85 int (*next_db)(struct vop_device *vpdev);
86 struct mic_irq *(*request_irq)(struct vop_device *vpdev,
87 irqreturn_t (*func)(int irq, void *data),
88 const char *name, void *data,
89 int intr_src);
90 void (*free_irq)(struct vop_device *vpdev,
91 struct mic_irq *cookie, void *data);
92 void (*ack_interrupt)(struct vop_device *vpdev, int num);
93 void __iomem * (*get_remote_dp)(struct vop_device *vpdev);
94 void * (*get_dp)(struct vop_device *vpdev);
95 void (*send_intr)(struct vop_device *vpdev, int db);
96 void __iomem * (*remap)(struct vop_device *vpdev,
97 dma_addr_t pa, size_t len);
98 void (*unmap)(struct vop_device *vpdev, void __iomem *va);
99};
100
101struct vop_device *
102vop_register_device(struct device *pdev, int id,
103 const struct dma_map_ops *dma_ops,
104 struct vop_hw_ops *hw_ops, u8 dnode, struct mic_mw *aper,
105 struct dma_chan *chan);
106void vop_unregister_device(struct vop_device *dev);
107int vop_register_driver(struct vop_driver *drv);
108void vop_unregister_driver(struct vop_driver *drv);
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116#define module_vop_driver(__vop_driver) \
117 module_driver(__vop_driver, vop_register_driver, \
118 vop_unregister_driver)
119
120static inline struct vop_device *dev_to_vop(struct device *dev)
121{
122 return container_of(dev, struct vop_device, dev);
123}
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125static inline struct vop_driver *drv_to_vop(struct device_driver *drv)
126{
127 return container_of(drv, struct vop_driver, driver);
128}
129#endif
130