/* * Copyright (c) 2006 Jakub Jermar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef LIBC_DDI_H_ #define LIBC_DDI_H_ #include #include #include #include #include #include #include #include #include #include #define DMAMEM_16MiB ((uintptr_t) UINT64_C(0xffffffffff000000)) #define DMAMEM_4GiB ((uintptr_t) UINT64_C(0xffffffff00000000)) typedef volatile uint8_t ioport8_t; typedef volatile uint16_t ioport16_t; typedef volatile uint32_t ioport32_t; typedef volatile uint64_t ioport64_t; extern errno_t physmem_map(uintptr_t, size_t, unsigned int, void **); extern errno_t physmem_unmap(void *); extern errno_t dmamem_map(void *, size_t, unsigned int, unsigned int, uintptr_t *); extern errno_t dmamem_map_anonymous(size_t, uintptr_t, unsigned int, unsigned int, uintptr_t *, void **); extern errno_t dmamem_unmap(void *, size_t); extern errno_t dmamem_unmap_anonymous(void *); extern errno_t pio_enable_range(addr_range_t *, void **); extern errno_t pio_enable_resource(pio_window_t *, hw_resource_t *, void **, uintptr_t *, size_t *); extern errno_t pio_enable(void *, size_t, void **); extern errno_t pio_disable(void *, size_t); typedef void (*trace_fnc)(const volatile void *place, uint64_t val, volatile void *base, size_t size, void *data, bool write); extern errno_t pio_trace_enable(void *, size_t, trace_fnc, void *); extern void pio_trace_log(const volatile void *, uint64_t val, bool write); extern void pio_trace_disable(void *); extern void pio_write_8(ioport8_t *, uint8_t); extern void pio_write_16(ioport16_t *, uint16_t); extern void pio_write_32(ioport32_t *, uint32_t); extern void pio_write_64(ioport64_t *, uint64_t); extern uint8_t pio_read_8(const ioport8_t *); extern uint16_t pio_read_16(const ioport16_t *); extern uint32_t pio_read_32(const ioport32_t *); extern uint64_t pio_read_64(const ioport64_t *); static inline void pio_write_le16(ioport16_t *reg, uint16_t val) { pio_write_16(reg, host2uint16_t_le(val)); } static inline void pio_write_be16(ioport16_t *reg, uint16_t val) { pio_write_16(reg, host2uint16_t_be(val)); } static inline void pio_write_le32(ioport32_t *reg, uint32_t val) { pio_write_32(reg, host2uint32_t_le(val)); } static inline void pio_write_be32(ioport32_t *reg, uint32_t val) { pio_write_32(reg, host2uint32_t_be(val)); } static inline void pio_write_le64(ioport64_t *reg, uint64_t val) { pio_write_64(reg, host2uint64_t_le(val)); } static inline void pio_write_be64(ioport64_t *reg, uint64_t val) { pio_write_64(reg, host2uint64_t_be(val)); } static inline uint16_t pio_read_le16(const ioport16_t *reg) { return uint16_t_le2host(pio_read_16(reg)); } static inline uint16_t pio_read_be16(const ioport16_t *reg) { return uint16_t_be2host(pio_read_16(reg)); } static inline uint32_t pio_read_le32(const ioport32_t *reg) { return uint32_t_le2host(pio_read_32(reg)); } static inline uint32_t pio_read_be32(const ioport32_t *reg) { return uint32_t_be2host(pio_read_32(reg)); } static inline uint64_t pio_read_le64(const ioport64_t *reg) { return uint64_t_le2host(pio_read_64(reg)); } static inline uint64_t pio_read_be64(const ioport64_t *reg) { return uint64_t_be2host(pio_read_64(reg)); } static inline uint8_t pio_change_8(ioport8_t *reg, uint8_t val, uint8_t mask, usec_t delay) { uint8_t v = pio_read_8(reg); udelay(delay); pio_write_8(reg, (v & ~mask) | val); return v; } static inline uint16_t pio_change_16(ioport16_t *reg, uint16_t val, uint16_t mask, usec_t delay) { uint16_t v = pio_read_16(reg); udelay(delay); pio_write_16(reg, (v & ~mask) | val); return v; } static inline uint32_t pio_change_32(ioport32_t *reg, uint32_t val, uint32_t mask, usec_t delay) { uint32_t v = pio_read_32(reg); udelay(delay); pio_write_32(reg, (v & ~mask) | val); return v; } static inline uint64_t pio_change_64(ioport64_t *reg, uint64_t val, uint64_t mask, usec_t delay) { uint64_t v = pio_read_64(reg); udelay(delay); pio_write_64(reg, (v & ~mask) | val); return v; } static inline uint8_t pio_set_8(ioport8_t *r, uint8_t v, usec_t d) { return pio_change_8(r, v, 0, d); } static inline uint16_t pio_set_16(ioport16_t *r, uint16_t v, usec_t d) { return pio_change_16(r, v, 0, d); } static inline uint32_t pio_set_32(ioport32_t *r, uint32_t v, usec_t d) { return pio_change_32(r, v, 0, d); } static inline uint64_t pio_set_64(ioport64_t *r, uint64_t v, usec_t d) { return pio_change_64(r, v, 0, d); } static inline uint8_t pio_clear_8(ioport8_t *r, uint8_t v, usec_t d) { return pio_change_8(r, 0, v, d); } static inline uint16_t pio_clear_16(ioport16_t *r, uint16_t v, usec_t d) { return pio_change_16(r, 0, v, d); } static inline uint32_t pio_clear_32(ioport32_t *r, uint32_t v, usec_t d) { return pio_change_32(r, 0, v, d); } static inline uint64_t pio_clear_64(ioport64_t *r, uint64_t v, usec_t d) { return pio_change_64(r, 0, v, d); } #endif /** @} */