1  /* SPDX-License-Identifier: GPL-2.0-only */
 2  
 3  #ifndef __DEVICE_PNP_OPS_H__
 4  #define __DEVICE_PNP_OPS_H__
 5  
 6  #include <stdint.h>
 7  #include <device/pnp.h>
 8  
 9  #if ENV_PNP_SIMPLE_DEVICE
10  
11  static __always_inline void pnp_write_config(
12  	pnp_devfn_t dev, uint8_t reg, uint8_t value)
13  {
14  	pnp_write_index(dev >> 8, reg, value);
15  }
16  
17  static __always_inline uint8_t pnp_read_config(
18  	pnp_devfn_t dev, uint8_t reg)
19  {
20  	return pnp_read_index(dev >> 8, reg);
21  }
22  
23  static __always_inline void pnp_unset_and_set_config(
24  	pnp_devfn_t dev, uint8_t reg, uint8_t unset, uint8_t set)
25  {
26  	pnp_unset_and_set_index(dev >> 8, reg, unset, set);
27  }
28  
29  static __always_inline
30  void pnp_set_logical_device(pnp_devfn_t dev)
31  {
32  	unsigned int device = dev & 0xff;
33  	pnp_write_config(dev, 0x07, device);
34  }
35  
36  static __always_inline
37  void pnp_set_enable(pnp_devfn_t dev, int enable)
38  {
39  	pnp_write_config(dev, PNP_IDX_EN, enable?0x1:0x0);
40  }
41  
42  static __always_inline
43  int pnp_read_enable(pnp_devfn_t dev)
44  {
45  	return !!pnp_read_config(dev, PNP_IDX_EN);
46  }
47  
48  static __always_inline
49  void pnp_set_iobase(pnp_devfn_t dev, unsigned int index, unsigned int iobase)
50  {
51  	pnp_write_config(dev, index + 0, (iobase >> 8) & 0xff);
52  	pnp_write_config(dev, index + 1, iobase & 0xff);
53  }
54  
55  static __always_inline
56  uint16_t pnp_read_iobase(pnp_devfn_t dev, unsigned int index)
57  {
58  	return ((uint16_t)(pnp_read_config(dev, index)) << 8)
59  		| pnp_read_config(dev, index + 1);
60  }
61  
62  static __always_inline
63  void pnp_set_irq(pnp_devfn_t dev, unsigned int index, unsigned int irq)
64  {
65  	pnp_write_config(dev, index, irq);
66  }
67  
68  static __always_inline
69  void pnp_set_drq(pnp_devfn_t dev, unsigned int index, unsigned int drq)
70  {
71  	pnp_write_config(dev, index, drq & 0xff);
72  }
73  
74  #endif
75  
76  #endif