| /* |
| * Microsemi SmartFusion2 SPI |
| * |
| * Copyright (c) 2017 Subbaraya Sundeep <sundeep.lkml@gmail.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #ifndef HW_MSS_SPI_H |
| #define HW_MSS_SPI_H |
| |
| #include "hw/sysbus.h" |
| #include "hw/ssi/ssi.h" |
| #include "qemu/fifo32.h" |
| |
| #define TYPE_MSS_SPI "mss-spi" |
| #define MSS_SPI(obj) OBJECT_CHECK(MSSSpiState, (obj), TYPE_MSS_SPI) |
| |
| #define R_SPI_MAX 16 |
| |
| typedef struct MSSSpiState { |
| SysBusDevice parent_obj; |
| |
| MemoryRegion mmio; |
| |
| qemu_irq irq; |
| |
| qemu_irq cs_line; |
| |
| SSIBus *spi; |
| |
| Fifo32 rx_fifo; |
| Fifo32 tx_fifo; |
| |
| int fifo_depth; |
| uint32_t frame_count; |
| bool enabled; |
| |
| uint32_t regs[R_SPI_MAX]; |
| } MSSSpiState; |
| |
| #endif /* HW_MSS_SPI_H */ |