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I2C overhaul part 4: VIA and EEPROM edition

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This commit is contained in:
RichardG867
2020-11-22 00:19:13 -03:00
parent d5867928d6
commit 3fb4727483
11 changed files with 313 additions and 129 deletions
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14
src/include/86box/smbus_piix4.h
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@@ -19,15 +19,20 @@
#define SMBUS_PIIX4_BLOCK_DATA_SIZE 32
#define SMBUS_PIIX4_BLOCK_DATA_MASK (SMBUS_PIIX4_BLOCK_DATA_SIZE - 1)
typedef struct
{
enum {
SMBUS_PIIX4 = 0,
SMBUS_VIA
};
typedef struct {
uint32_t local;
uint16_t io_base;
uint8_t stat, next_stat, ctl, cmd, addr,
data0, data1,
index,
data[SMBUS_PIIX4_BLOCK_DATA_SIZE];
index, data[SMBUS_PIIX4_BLOCK_DATA_SIZE];
pc_timer_t response_timer;
void *i2c;
} smbus_piix4_t;
@@ -38,6 +43,7 @@ extern void smbus_piix4_remap(smbus_piix4_t *dev, uint16_t new_io_base, uint8_t
#ifdef EMU_DEVICE_H
extern const device_t piix4_smbus_device;
extern const device_t via_smbus_device;
#endif