asm/arch-quark/msg_port.h

38  * msg_port_setup - set up the message port control register
41  * @port:   port number on the message bus
42  * @reg:    register number within a port
44 void msg_port_setup(int op, int port, int reg);
47  * msg_port_read - read a message port register using normal opcode
49  * @port:   port number on the message bus
50  * @reg:    register number within a port
52  * @return: message port register value
54 u32 msg_port_read(u8 port, u32 reg);
57  * msg_port_write - write a message port register using normal opcode
59  * @port:   port number on the message bus
60  * @reg:    register number within a port
63 void msg_port_write(u8 port, u32 reg, u32 value);
66  * msg_port_alt_read - read a message port register using alternative opcode
68  * @port:   port number on the message bus
69  * @reg:    register number within a port
71  * @return: message port register value
73 u32 msg_port_alt_read(u8 port, u32 reg);
76  * msg_port_alt_write - write a message port register using alternative opcode
78  * @port:   port number on the message bus
79  * @reg:    register number within a port
82 void msg_port_alt_write(u8 port, u32 reg, u32 value);
85  * msg_port_io_read - read a message port register using I/O opcode
87  * @port:   port number on the message bus
88  * @reg:    register number within a port
90  * @return: message port register value
92 u32 msg_port_io_read(u8 port, u32 reg);
95  * msg_port_io_write - write a message port register using I/O opcode
97  * @port:   port number on the message bus
98  * @reg:    register number within a port
101 void msg_port_io_write(u8 port, u32 reg, u32 value);
103 /* clrbits, setbits, clrsetbits macros for message port access */
108 #define msg_port_generic_clrsetbits(type, port, reg, clr, set)		\
109 	msg_port_##type##_write(port, reg,				\
110 				(msg_port_##type##_read(port, reg)	\
113 #define msg_port_clrbits(port, reg, clr)		\
114 	msg_port_generic_clrsetbits(normal, port, reg, clr, 0)
115 #define msg_port_setbits(port, reg, set)		\
116 	msg_port_generic_clrsetbits(normal, port, reg, 0, set)
117 #define msg_port_clrsetbits(port, reg, clr, set)	\
118 	msg_port_generic_clrsetbits(normal, port, reg, clr, set)
120 #define msg_port_alt_clrbits(port, reg, clr)		\
121 	msg_port_generic_clrsetbits(alt, port, reg, clr, 0)
122 #define msg_port_alt_setbits(port, reg, set)		\
123 	msg_port_generic_clrsetbits(alt, port, reg, 0, set)
124 #define msg_port_alt_clrsetbits(port, reg, clr, set)	\
125 	msg_port_generic_clrsetbits(alt, port, reg, clr, set)
127 #define msg_port_io_clrbits(port, reg, clr)		\
128 	msg_port_generic_clrsetbits(io, port, reg, clr, 0)
129 #define msg_port_io_setbits(port, reg, set)		\
130 	msg_port_generic_clrsetbits(io, port, reg, 0, set)
131 #define msg_port_io_clrsetbits(port, reg, clr, set)	\
132 	msg_port_generic_clrsetbits(io, port, reg, clr, set)