i8257: move state definition to new independent header

We will now be able to embed the i8257 interrupt controller in another object.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-id: 1453843944-26833-10-git-send-email-hpoussin@reactos.org
Signed-off-by: John Snow <jsnow@redhat.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/include/hw/isa/i8257.h b/include/hw/isa/i8257.h
new file mode 100644
index 0000000..8d34ed1
--- /dev/null
+++ b/include/hw/isa/i8257.h
@@ -0,0 +1,42 @@
+#ifndef HW_I8257_H
+#define HW_I8257_H
+
+#define TYPE_I8257 "i8257"
+
+typedef struct I8257Regs {
+    int now[2];
+    uint16_t base[2];
+    uint8_t mode;
+    uint8_t page;
+    uint8_t pageh;
+    uint8_t dack;
+    uint8_t eop;
+    DMA_transfer_handler transfer_handler;
+    void *opaque;
+} I8257Regs;
+
+typedef struct I8257State {
+    /* <private> */
+    ISADevice parent_obj;
+
+    /* <public> */
+    int32_t base;
+    int32_t page_base;
+    int32_t pageh_base;
+    int32_t dshift;
+
+    uint8_t status;
+    uint8_t command;
+    uint8_t mask;
+    uint8_t flip_flop;
+    I8257Regs regs[4];
+    MemoryRegion channel_io;
+    MemoryRegion cont_io;
+
+    QEMUBH *dma_bh;
+    bool dma_bh_scheduled;
+    int running;
+} I8257State;
+
+#endif
+