diff options
Diffstat (limited to 'qemu/include/hw/ssi')
| -rw-r--r-- | qemu/include/hw/ssi/ssi.h | 96 | ||||
| -rw-r--r-- | qemu/include/hw/ssi/xilinx_spips.h | 72 |
2 files changed, 0 insertions, 168 deletions
diff --git a/qemu/include/hw/ssi/ssi.h b/qemu/include/hw/ssi/ssi.h deleted file mode 100644 index 4a0a53903..000000000 --- a/qemu/include/hw/ssi/ssi.h +++ /dev/null @@ -1,96 +0,0 @@ -/* QEMU Synchronous Serial Interface support. */ - -/* In principle SSI is a point-point interface. As such the qemu - implementation has a single slave device on a "bus". - However it is fairly common for boards to have multiple slaves - connected to a single master, and select devices with an external - chip select. This is implemented in qemu by having an explicit mux device. - It is assumed that master and slave are both using the same transfer width. - */ - -#ifndef QEMU_SSI_H -#define QEMU_SSI_H - -#include "hw/qdev.h" - -typedef struct SSISlave SSISlave; -typedef struct SSISlaveClass SSISlaveClass; -typedef enum SSICSMode SSICSMode; - -#define TYPE_SSI_SLAVE "ssi-slave" -#define SSI_SLAVE(obj) \ - OBJECT_CHECK(SSISlave, (obj), TYPE_SSI_SLAVE) -#define SSI_SLAVE_CLASS(klass) \ - OBJECT_CLASS_CHECK(SSISlaveClass, (klass), TYPE_SSI_SLAVE) -#define SSI_SLAVE_GET_CLASS(obj) \ - OBJECT_GET_CLASS(SSISlaveClass, (obj), TYPE_SSI_SLAVE) - -#define SSI_GPIO_CS "ssi-gpio-cs" - -enum SSICSMode { - SSI_CS_NONE = 0, - SSI_CS_LOW, - SSI_CS_HIGH, -}; - -/* Slave devices. */ -struct SSISlaveClass { - DeviceClass parent_class; - - int (*init)(SSISlave *dev); - - /* if you have standard or no CS behaviour, just override transfer. - * This is called when the device cs is active (true by default). - */ - uint32_t (*transfer)(SSISlave *dev, uint32_t val); - /* called when the CS line changes. Optional, devices only need to implement - * this if they have side effects associated with the cs line (beyond - * tristating the txrx lines). - */ - int (*set_cs)(SSISlave *dev, bool select); - /* define whether or not CS exists and is active low/high */ - SSICSMode cs_polarity; - - /* if you have non-standard CS behaviour override this to take control - * of the CS behaviour at the device level. transfer, set_cs, and - * cs_polarity are unused if this is overwritten. Transfer_raw will - * always be called for the device for every txrx access to the parent bus - */ - uint32_t (*transfer_raw)(SSISlave *dev, uint32_t val); -}; - -struct SSISlave { - DeviceState parent_obj; - - /* Chip select state */ - bool cs; -}; - -#define FROM_SSI_SLAVE(type, dev) DO_UPCAST(type, ssidev, dev) - -extern const VMStateDescription vmstate_ssi_slave; - -#define VMSTATE_SSI_SLAVE(_field, _state) { \ - .name = (stringify(_field)), \ - .size = sizeof(SSISlave), \ - .vmsd = &vmstate_ssi_slave, \ - .flags = VMS_STRUCT, \ - .offset = vmstate_offset_value(_state, _field, SSISlave), \ -} - -DeviceState *ssi_create_slave(SSIBus *bus, const char *name); -DeviceState *ssi_create_slave_no_init(SSIBus *bus, const char *name); - -/* Master interface. */ -SSIBus *ssi_create_bus(DeviceState *parent, const char *name); - -uint32_t ssi_transfer(SSIBus *bus, uint32_t val); - -/* Automatically connect all children nodes a spi controller as slaves */ -void ssi_auto_connect_slaves(DeviceState *parent, qemu_irq *cs_lines, - SSIBus *bus); - -/* max111x.c */ -void max111x_set_input(DeviceState *dev, int line, uint8_t value); - -#endif diff --git a/qemu/include/hw/ssi/xilinx_spips.h b/qemu/include/hw/ssi/xilinx_spips.h deleted file mode 100644 index dbb9eefba..000000000 --- a/qemu/include/hw/ssi/xilinx_spips.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Header file for the Xilinx Zynq SPI controller - * - * Copyright (C) 2015 Xilinx Inc - * - * 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 XLNX_SPIPS_H -#define XLNX_SPIPS_H - -#include "hw/ssi/ssi.h" -#include "qemu/fifo8.h" - -typedef struct XilinxSPIPS XilinxSPIPS; - -#define XLNX_SPIPS_R_MAX (0x100 / 4) - -struct XilinxSPIPS { - SysBusDevice parent_obj; - - MemoryRegion iomem; - MemoryRegion mmlqspi; - - qemu_irq irq; - int irqline; - - uint8_t num_cs; - uint8_t num_busses; - - uint8_t snoop_state; - qemu_irq *cs_lines; - SSIBus **spi; - - Fifo8 rx_fifo; - Fifo8 tx_fifo; - - uint8_t num_txrx_bytes; - - uint32_t regs[XLNX_SPIPS_R_MAX]; -}; - -#define TYPE_XILINX_SPIPS "xlnx.ps7-spi" -#define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi" - -#define XILINX_SPIPS(obj) \ - OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS) -#define XILINX_SPIPS_CLASS(klass) \ - OBJECT_CLASS_CHECK(XilinxSPIPSClass, (klass), TYPE_XILINX_SPIPS) -#define XILINX_SPIPS_GET_CLASS(obj) \ - OBJECT_GET_CLASS(XilinxSPIPSClass, (obj), TYPE_XILINX_SPIPS) - -#define XILINX_QSPIPS(obj) \ - OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS) - -#endif /* XLNX_SPIPS_H */ |