diff options
Diffstat (limited to 'qemu/hw/audio/cs4231.c')
| -rw-r--r-- | qemu/hw/audio/cs4231.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/qemu/hw/audio/cs4231.c b/qemu/hw/audio/cs4231.c deleted file mode 100644 index caf97c169..000000000 --- a/qemu/hw/audio/cs4231.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * QEMU Crystal CS4231 audio chip emulation - * - * Copyright (c) 2006 Fabrice Bellard - * - * 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. - */ - -#include "qemu/osdep.h" -#include "hw/sysbus.h" -#include "trace.h" - -/* - * In addition to Crystal CS4231 there is a DMA controller on Sparc. - */ -#define CS_SIZE 0x40 -#define CS_REGS 16 -#define CS_DREGS 32 -#define CS_MAXDREG (CS_DREGS - 1) - -#define TYPE_CS4231 "SUNW,CS4231" -#define CS4231(obj) \ - OBJECT_CHECK(CSState, (obj), TYPE_CS4231) - -typedef struct CSState { - SysBusDevice parent_obj; - - MemoryRegion iomem; - qemu_irq irq; - uint32_t regs[CS_REGS]; - uint8_t dregs[CS_DREGS]; -} CSState; - -#define CS_RAP(s) ((s)->regs[0] & CS_MAXDREG) -#define CS_VER 0xa0 -#define CS_CDC_VER 0x8a - -static void cs_reset(DeviceState *d) -{ - CSState *s = CS4231(d); - - memset(s->regs, 0, CS_REGS * 4); - memset(s->dregs, 0, CS_DREGS); - s->dregs[12] = CS_CDC_VER; - s->dregs[25] = CS_VER; -} - -static uint64_t cs_mem_read(void *opaque, hwaddr addr, - unsigned size) -{ - CSState *s = opaque; - uint32_t saddr, ret; - - saddr = addr >> 2; - switch (saddr) { - case 1: - switch (CS_RAP(s)) { - case 3: // Write only - ret = 0; - break; - default: - ret = s->dregs[CS_RAP(s)]; - break; - } - trace_cs4231_mem_readl_dreg(CS_RAP(s), ret); - break; - default: - ret = s->regs[saddr]; - trace_cs4231_mem_readl_reg(saddr, ret); - break; - } - return ret; -} - -static void cs_mem_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - CSState *s = opaque; - uint32_t saddr; - - saddr = addr >> 2; - trace_cs4231_mem_writel_reg(saddr, s->regs[saddr], val); - switch (saddr) { - case 1: - trace_cs4231_mem_writel_dreg(CS_RAP(s), s->dregs[CS_RAP(s)], val); - switch(CS_RAP(s)) { - case 11: - case 25: // Read only - break; - case 12: - val &= 0x40; - val |= CS_CDC_VER; // Codec version - s->dregs[CS_RAP(s)] = val; - break; - default: - s->dregs[CS_RAP(s)] = val; - break; - } - break; - case 2: // Read only - break; - case 4: - if (val & 1) { - cs_reset(DEVICE(s)); - } - val &= 0x7f; - s->regs[saddr] = val; - break; - default: - s->regs[saddr] = val; - break; - } -} - -static const MemoryRegionOps cs_mem_ops = { - .read = cs_mem_read, - .write = cs_mem_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static const VMStateDescription vmstate_cs4231 = { - .name ="cs4231", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32_ARRAY(regs, CSState, CS_REGS), - VMSTATE_UINT8_ARRAY(dregs, CSState, CS_DREGS), - VMSTATE_END_OF_LIST() - } -}; - -static int cs4231_init1(SysBusDevice *dev) -{ - CSState *s = CS4231(dev); - - memory_region_init_io(&s->iomem, OBJECT(s), &cs_mem_ops, s, "cs4321", - CS_SIZE); - sysbus_init_mmio(dev, &s->iomem); - sysbus_init_irq(dev, &s->irq); - - return 0; -} - -static Property cs4231_properties[] = { - {.name = NULL}, -}; - -static void cs4231_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = cs4231_init1; - dc->reset = cs_reset; - dc->vmsd = &vmstate_cs4231; - dc->props = cs4231_properties; -} - -static const TypeInfo cs4231_info = { - .name = TYPE_CS4231, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(CSState), - .class_init = cs4231_class_init, -}; - -static void cs4231_register_types(void) -{ - type_register_static(&cs4231_info); -} - -type_init(cs4231_register_types) |