2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted (subject to the limitations in the
7 * disclaimer below) provided that the following conditions are met:
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the
17 * * Neither the name of Qualcomm Atheros nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
22 * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
23 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
33 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * @ingroup adf_os_public
38 * This file abstracts I/O operations.
44 #include <adf_os_io_pvt.h>
46 static inline uint8_t ioread8(const volatile uint32_t addr)
48 return *(const volatile uint8_t *) addr;
51 static inline uint16_t ioread16(const volatile uint32_t addr)
53 return *(const volatile uint16_t *) addr;
56 static inline uint32_t ioread32(const volatile uint32_t addr)
58 return *(const volatile uint32_t *) addr;
61 static inline void iowrite8(volatile uint32_t addr, const uint8_t b)
63 *(volatile uint8_t *) addr = b;
66 static inline void iowrite16(volatile uint32_t addr, const uint16_t b)
68 *(volatile uint16_t *) addr = b;
71 static inline void iowrite32(volatile uint32_t addr, const uint32_t b)
73 *(volatile uint32_t *) addr = b;
76 static inline void io8_rmw(volatile uint32_t addr,
77 const uint8_t set, const uint8_t clr)
87 static inline void io32_rmw(volatile uint32_t addr,
88 const uint32_t set, const uint32_t clr)
98 /* generic functions */
99 #define io8_set(addr, s) io8_rmw((addr), (s), 0)
100 #define io8_clr(addr, c) io8_rmw((addr), 0, (c))
101 #define io32_set(addr, s) io32_rmw((addr), (s), 0)
102 #define io32_clr(addr, c) io32_rmw((addr), 0, (c))
104 /* mac specific functions */
105 #define ioread32_mac(addr) ioread32(WLAN_BASE_ADDRESS + (addr))
106 #define iowrite32_mac(addr, b) iowrite32(WLAN_BASE_ADDRESS + (addr), (b))
108 /* usb specific functions */
109 #define ioread8_usb(addr) ioread8(USB_CTRL_BASE_ADDRESS | (addr)^3)
110 #define ioread16_usb(addr) ioread16(USB_CTRL_BASE_ADDRESS | (addr))
111 #define ioread32_usb(addr) ioread32(USB_CTRL_BASE_ADDRESS | (addr))
113 #define iowrite8_usb(addr, b) iowrite8(USB_CTRL_BASE_ADDRESS | (addr)^3, (b))
114 #define iowrite16_usb(addr, b) iowrite16(USB_CTRL_BASE_ADDRESS | (addr), (b))
115 #define iowrite32_usb(addr, b) iowrite32(USB_CTRL_BASE_ADDRESS | (addr), (b))
117 #define io8_rmw_usb(addr, s, c) \
118 io8_rmw(USB_CTRL_BASE_ADDRESS | (addr)^3, (s), (c))
119 #define io8_set_usb(addr, s) \
120 io8_rmw(USB_CTRL_BASE_ADDRESS | (addr)^3, (s), 0)
121 #define io8_clr_usb(addr, c) \
122 io8_rmw(USB_CTRL_BASE_ADDRESS | (addr)^3, 0, (c))
124 #define io32_rmw_usb(addr, s, c) \
125 io32_rmw(USB_CTRL_BASE_ADDRESS | (addr), (s), (c))
126 #define io32_set_usb(addr, s) io32_rmw(USB_CTRL_BASE_ADDRESS | (addr), (s), 0)
127 #define io32_clr_usb(addr, c) io32_rmw(USB_CTRL_BASE_ADDRESS | (addr), 0, (c))
130 * @brief Convert a 16-bit value from network byte order to host byte order
132 #define adf_os_ntohs(x) __adf_os_ntohs(x)
135 * @brief Convert a 32-bit value from network byte order to host byte order
137 #define adf_os_ntohl(x) __adf_os_ntohl(x)
140 * @brief Convert a 16-bit value from host byte order to network byte order
142 #define adf_os_htons(x) __adf_os_htons(x)
145 * @brief Convert a 32-bit value from host byte order to network byte order
147 #define adf_os_htonl(x) __adf_os_htonl(x)
150 * @brief Convert a 16-bit value from CPU byte order to little-endian byte order
152 #define adf_os_cpu_to_le16(x) __adf_os_cpu_to_le16(x)