paul@258 | 1 | /* |
paul@258 | 2 | * MSC (MMC/SD controller) peripheral support. |
paul@258 | 3 | * |
paul@258 | 4 | * Copyright (C) 2024 Paul Boddie <paul@boddie.org.uk> |
paul@258 | 5 | * |
paul@258 | 6 | * This program is free software; you can redistribute it and/or |
paul@258 | 7 | * modify it under the terms of the GNU General Public License as |
paul@258 | 8 | * published by the Free Software Foundation; either version 2 of |
paul@258 | 9 | * the License, or (at your option) any later version. |
paul@258 | 10 | * |
paul@258 | 11 | * This program is distributed in the hope that it will be useful, |
paul@258 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
paul@258 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
paul@258 | 14 | * GNU General Public License for more details. |
paul@258 | 15 | * |
paul@258 | 16 | * You should have received a copy of the GNU General Public License |
paul@258 | 17 | * along with this program; if not, write to the Free Software |
paul@258 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
paul@258 | 19 | * Boston, MA 02110-1301, USA |
paul@258 | 20 | */ |
paul@258 | 21 | |
paul@258 | 22 | #pragma once |
paul@258 | 23 | |
paul@263 | 24 | #include <l4/devices/msc-common.h> |
paul@258 | 25 | #include <l4/re/c/dma_space.h> |
paul@258 | 26 | #include <l4/sys/types.h> |
paul@258 | 27 | #include <stdint.h> |
paul@258 | 28 | |
paul@258 | 29 | |
paul@258 | 30 | |
paul@258 | 31 | #ifdef __cplusplus |
paul@258 | 32 | |
paul@258 | 33 | #include <l4/devices/dma-x1600.h> |
paul@258 | 34 | |
paul@258 | 35 | // MMC/SD controller channel. |
paul@258 | 36 | |
paul@258 | 37 | class Msc_x1600_channel : public Msc_channel |
paul@258 | 38 | { |
paul@258 | 39 | protected: |
paul@258 | 40 | Dma_x1600_channel *_dma; |
paul@258 | 41 | enum Dma_x1600_request_type _request_type_in, _request_type_out; |
paul@258 | 42 | |
paul@258 | 43 | public: |
paul@258 | 44 | explicit Msc_x1600_channel(l4_addr_t msc_start, l4_addr_t addr, |
paul@258 | 45 | l4_cap_idx_t irq, Dma_x1600_channel *dma, |
paul@258 | 46 | enum Dma_x1600_request_type request_type_in, |
paul@258 | 47 | enum Dma_x1600_request_type request_type_out); |
paul@258 | 48 | |
paul@258 | 49 | uint32_t transfer(l4re_dma_space_dma_addr_t from_paddr, |
paul@258 | 50 | l4re_dma_space_dma_addr_t to_paddr, |
paul@258 | 51 | bool recv, uint32_t count); |
paul@258 | 52 | }; |
paul@258 | 53 | |
paul@258 | 54 | // MMC/SD controller device control. |
paul@258 | 55 | |
paul@258 | 56 | class Msc_x1600_chip : public Msc_chip |
paul@258 | 57 | { |
paul@258 | 58 | protected: |
paul@258 | 59 | unsigned int num_channels() |
paul@258 | 60 | { return 2; } |
paul@258 | 61 | |
paul@258 | 62 | public: |
paul@258 | 63 | explicit Msc_x1600_chip(l4_addr_t msc_start, l4_addr_t start, l4_addr_t end); |
paul@258 | 64 | |
paul@258 | 65 | Msc_channel *get_channel(uint8_t channel, l4_cap_idx_t irq, |
paul@258 | 66 | Dma_x1600_channel *dma); |
paul@258 | 67 | }; |
paul@258 | 68 | |
paul@258 | 69 | #endif /* __cplusplus */ |
paul@258 | 70 | |
paul@258 | 71 | /* C language interface. */ |
paul@258 | 72 | |
paul@258 | 73 | EXTERN_C_BEGIN |
paul@258 | 74 | |
paul@258 | 75 | void *x1600_msc_init(l4_addr_t msc_start, l4_addr_t start, l4_addr_t end); |
paul@258 | 76 | |
paul@258 | 77 | void *x1600_msc_get_channel(void *msc, uint8_t channel, l4_cap_idx_t irq, |
paul@258 | 78 | void *dma); |
paul@258 | 79 | |
paul@263 | 80 | struct msc_card *x1600_msc_get_cards(void *msc_channel); |
paul@263 | 81 | |
paul@263 | 82 | uint8_t x1600_msc_num_cards(void *msc_channel); |
paul@258 | 83 | |
paul@258 | 84 | void x1600_msc_enable(void *msc_channel); |
paul@258 | 85 | |
paul@261 | 86 | uint32_t x1600_msc_read_blocks(void *msc_channel, uint8_t card, |
paul@261 | 87 | l4re_dma_space_dma_addr_t paddr, |
paul@261 | 88 | uint32_t block_address, uint32_t block_count); |
paul@258 | 89 | |
paul@258 | 90 | EXTERN_C_END |