diff --git a/include/iglib.h b/include/iglib.h new file mode 100644 index 000000000..8da0f05b2 --- /dev/null +++ b/include/iglib.h @@ -0,0 +1,210 @@ + +/* this header is copied to/from the doslib.h copy */ + +#ifndef __DOSLIB_HW_IDE_DOSBOXIGLIB_H +#define __DOSLIB_HW_IDE_DOSBOXIGLIB_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef DOSBOX_INCLUDE + /* In order to be usable as part of a VxD, code must be combined with data. + * In Watcom C we can do this by declaring all global variables __based on _CODE. */ +# ifdef TARGET_VXD +# define DOSBOXID_VAR __based( __segname("_CODE") ) +# else +# define DOSBOXID_VAR +# endif + +extern uint16_t DOSBOXID_VAR dosbox_id_baseio; + +# define DOSBOX_IDPORT(x) (dosbox_id_baseio+(x)) +#endif + +#define DOSBOX_ID_INDEX (0U) +#define DOSBOX_ID_DATA (1U) +#define DOSBOX_ID_STATUS (2U) +#define DOSBOX_ID_COMMAND (2U) + +/* bits 7-6: register select byte index + * bits 5-4: register byte index + * bit 1: error + * bit 0: busy */ +#define DOSBOX_ID_STATUS_BUSY (0x01U) +#define DOSBOX_ID_STATUS_ERROR (0x02U) +#define DOSBOX_ID_STATUS_REGBYTE_SHIFT (4U) +#define DOSBOX_ID_STATUS_REGBYTE_MASK (0x03U << DOSBOX_ID_STATUS_REGBYTE_SHIFT) +#define DOSBOX_ID_STATUS_REGSEL_SHIFT (6U) +#define DOSBOX_ID_STATUS_REGSEL_MASK (0x03U << DOSBOX_ID_STATUS_REGSEL_SHIFT) + +#define DOSBOX_ID_CMD_RESET_LATCH (0x00U) +#define DOSBOX_ID_CMD_FLUSH_WRITE (0x01U) +#define DOSBOX_ID_CMD_PUSH_STATE (0x20U) +#define DOSBOX_ID_CMD_POP_STATE (0x21U) +#define DOSBOX_ID_CMD_DISCARD_STATE (0x22U) +#define DOSBOX_ID_CMD_DISCARD_ALL_STATE (0x23U) +#define DOSBOX_ID_CMD_CLEAR_ERROR (0xFEU) +#define DOSBOX_ID_CMD_RESET_INTERFACE (0xFFU) + +#define DOSBOX_ID_CMD_READ_EMTIME (0x4UL) + +#define DOSBOX_ID_REG_MIXER_QUERY (0x5158494DUL) +#define DOSBOX_ID_REG_MIXER_CONTROL (0x4358494DUL) +#define DOSBOX_ID_REG_MIXER_WRITEPOS (0x5058494DUL) +#define DOSBOX_ID_REG_MIXER_WRITEBEGIN (0x4258494DUL) +#define DOSBOX_ID_REG_MIXER_WRITEEND (0x4558494DUL) + +#define DOSBOX_ID_RESET_DATA_CODE (0xD05B0C5UL) + +#define DOSBOX_ID_RESET_INDEX_CODE (0xAA55BB66UL) + +#define DOSBOX_ID_REG_IDENTIFY (0x00000000UL) +#define DOSBOX_ID_REG_VERSION_STRING (0x00000002UL) + +#define DOSBOX_ID_REG_DEBUG_OUT (0x0000DEB0UL) +#define DOSBOX_ID_REG_DEBUG_CLEAR (0x0000DEB1UL) + +#define DOSBOX_ID_REG_USER_MOUSE_STATUS (0x00434D54UL) /* status (cursor capture, etc) */ + +#define DOSBOX_ID_REG_USER_MOUSE_STATUS_CAPTURE (0x00000001UL) + +#define DOSBOX_ID_REG_USER_MOUSE_CURSOR (0x00434D55UL) /* screen coordinates, pixels */ +#define DOSBOX_ID_REG_USER_MOUSE_CURSOR_NORMALIZED (0x00434D56UL) /* screen coordinates, normalized to 0...65535 for Windows 3.x */ + +#define DOSBOX_ID_REG_RELEASE_MOUSE_CAPTURE (0x0052434DUL) + +#define DOSBOX_ID_REG_8237_INJECT_WRITE (0x00823700UL) +#define DOSBOX_ID_REG_8237_INJECT_READ (0x00823780UL) + +#define DOSBOX_ID_REG_8259_INJECT_IRQ (0x00825900UL) +#define DOSBOX_ID_REG_8259_PIC_INFO (0x00825901UL) + +#define DOSBOX_ID_REG_INJECT_NMI (0x00808602UL) + +#define DOSBOX_ID_REG_8042_KB_INJECT (0x00804200UL) +#define DOSBOX_ID_REG_8042_KB_STATUS (0x00804201UL) + +#define DOSBOX_ID_8042_KB_INJECT_KB (0x00UL << 8UL) +#define DOSBOX_ID_8042_KB_INJECT_AUX (0x01UL << 8UL) +#define DOSBOX_ID_8042_KB_INJECT_MOUSEBTN (0x08UL << 8UL) +#define DOSBOX_ID_8042_KB_INJECT_MOUSEMX (0x09UL << 8UL) +#define DOSBOX_ID_8042_KB_INJECT_MOUSEMY (0x0AUL << 8UL) +#define DOSBOX_ID_8042_KB_INJECT_MOUSESCRW (0x0BUL << 8UL) + +/* WARNING: bitfields may change over time! */ +#define DOSBOX_ID_8042_KB_STATUS_LED_STATE_SHIFT (0UL) +#define DOSBOX_ID_8042_KB_STATUS_LED_STATE_MASK (0xFFUL << DOSBOX_ID_8042_KB_STATUS_LED_STATE_SHIFT) +#define DOSBOX_ID_8042_KB_STATUS_SCANSET_SHIFT (8UL) +#define DOSBOX_ID_8042_KB_STATUS_SCANSET_MASK (0x3UL << DOSBOX_ID_8042_KB_STATUS_SCANSET_SHIFT) +#define DOSBOX_ID_8042_KB_STATUS_RESET (0x1UL << 10UL) +#define DOSBOX_ID_8042_KB_STATUS_ACTIVE (0x1UL << 11UL) +#define DOSBOX_ID_8042_KB_STATUS_SCANNING (0x1UL << 12UL) +#define DOSBOX_ID_8042_KB_STATUS_AUXACTIVE (0x1UL << 13UL) +#define DOSBOX_ID_8042_KB_STATUS_SCHEDULED (0x1UL << 14UL) +#define DOSBOX_ID_8042_KB_STATUS_P60CHANGED (0x1UL << 15UL) +#define DOSBOX_ID_8042_KB_STATUS_AUXCHANGED (0x1UL << 16UL) +#define DOSBOX_ID_8042_KB_STATUS_CB_XLAT (0x1UL << 17UL) +#define DOSBOX_ID_8042_KB_STATUS_PS2_MOUSE_LBTN (0x1UL << 18UL) +#define DOSBOX_ID_8042_KB_STATUS_PS2_MOUSE_MBTN (0x1UL << 19UL) +#define DOSBOX_ID_8042_KB_STATUS_PS2_MOUSE_RBTN (0x1UL << 20UL) +#define DOSBOX_ID_8042_KB_STATUS_MOUSE_REPORTING (0x1UL << 21UL) +#define DOSBOX_ID_8042_KB_STATUS_MOUSE_STREAM_MODE (0x1UL << 22UL) +#define DOSBOX_ID_8042_KB_STATUS_MOUSE_LBTN (0x1UL << 23UL) +#define DOSBOX_ID_8042_KB_STATUS_MOUSE_RBTN (0x1UL << 24UL) +#define DOSBOX_ID_8042_KB_STATUS_MOUSE_MBTN (0x1UL << 25UL) + +#define DOSBOX_ID_REG_SCREENSHOT_TRIGGER (0x00C54010UL) + +#define DOSBOX_ID_CMD_SET_WATCHDOG (0x57415444UL) + +#define DOSBOX_ID_CMD_GET_VGA_SIZE (0x006845C0UL) +#define DOSBOX_ID_CMD_GET_VGA_CAPTURE_STATE (0x006845C1UL) +#define DOSBOX_ID_CMD_GET_VGA_CAPTURE_ADDR (0x006845C2UL) +#define DOSBOX_ID_CMD_GET_VGA_CAPTURE_POS (0x006845C3UL) +#define DOSBOX_ID_CMD_GET_VGA_CAPTURE_SIZE (0x006845C4UL) + +#define DOSBOX_ID_CMD_SET_VGA_CAPTURE_STATE (0x006845C1UL) +#define DOSBOX_ID_CMD_SET_VGA_CAPTURE_ADDR (0x006845C2UL) +#define DOSBOX_ID_CMD_SET_VGA_CAPTURE_POS (0x006845C3UL) +#define DOSBOX_ID_CMD_SET_VGA_CAPTURE_SIZE (0x006845C4UL) +#define DOSBOX_ID_CMD_SET_VGA_CAPTURE_STRIDE (0x006845C5UL) + +#define DOSBOX_VGA_CAPTURE_PENDING (1UL << 0UL) +#define DOSBOX_VGA_CAPTURE_ACQUIRED (1UL << 1UL) +#define DOSBOX_VGA_CAPTURE_ERROR (1UL << 2UL) +#define DOSBOX_VGA_CAPTURE_IN_PROGRESS (1UL << 3UL) +#define DOSBOX_VGA_CAPTURE_ENABLE (1UL << 4UL) +#define DOSBOX_VGA_CAPTURE_RETRACE (1UL << 5UL) +#define DOSBOX_VGA_CAPTURE_MISSED_FRAME (1UL << 6UL) + +/* DOSBOX_ID_REG_SCREENSHOT_TRIGGER bitfield for writing */ +#define DOSBOX_ID_SCREENSHOT_IMAGE (1UL << 0UL) /* trigger a screenshot. wait for vertical retrace, then read the register to check it happened */ +#define DOSBOX_ID_SCREENSHOT_VIDEO (1UL << 1UL) /* toggle on/off video capture */ +#define DOSBOX_ID_SCREENSHOT_WAVE (1UL << 2UL) /* toggle on/off WAVE capture */ +/* DOSBOX_ID_REG_SCREENSHOT_TRIGGER readback */ +#define DOSBOX_ID_SCREENSHOT_STATUS_IMAGE_IN_PROGRESS (1UL << 0UL) /* if set, DOSBox is prepared to write a screenshot on vertical retrace. will clear itself when it happens */ +#define DOSBOX_ID_SCREENSHOT_STATUS_VIDEO_IN_PROGRESS (1UL << 1UL) /* if set, DOSBox is capturing video. */ +#define DOSBOX_ID_SCREENSHOT_STATUS_WAVE_IN_PROGRESS (1UL << 2UL) /* if set, DOSBox is capturing WAVE audio */ +#define DOSBOX_ID_SCREENSHOT_STATUS_NOT_ENABLED (1UL << 30UL) /* if set, DOSBox has not enabled this register. */ +#define DOSBOX_ID_SCREENSHOT_STATUS_NOT_AVAILABLE (1UL << 31UL) /* if set, DOSBox was compiled without screenshot/video support (C_SSHOT not defined) */ + +/* return value of DOSBOX_ID_REG_IDENTIFY */ +#define DOSBOX_ID_IDENTIFICATION (0xD05B0740UL) + +#ifndef DOSBOX_INCLUDE +static inline void dosbox_id_reset_latch() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_RESET_LATCH); +} + +static inline void dosbox_id_reset_interface() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_RESET_INTERFACE); +} + +static inline void dosbox_id_flush_write() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_FLUSH_WRITE); +} + +static inline uint8_t dosbox_id_read_data_nrl_u8() { + return inp(DOSBOX_IDPORT(DOSBOX_ID_DATA)); +} + +static inline void dosbox_id_write_data_nrl_u8(const unsigned char c) { + outp(DOSBOX_IDPORT(DOSBOX_ID_DATA),c); +} + +static inline void dosbox_id_push_state() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_PUSH_STATE); +} + +static inline void dosbox_id_pop_state() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_POP_STATE); +} + +static inline void dosbox_id_discard_state() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_DISCARD_STATE); +} + +static inline void dosbox_id_discard_all_state() { + outp(DOSBOX_IDPORT(DOSBOX_ID_COMMAND),DOSBOX_ID_CMD_DISCARD_ALL_STATE); +} + +uint32_t dosbox_id_read_regsel(); +void dosbox_id_write_regsel(const uint32_t reg); +uint32_t dosbox_id_read_data_nrl(); +uint32_t dosbox_id_read_data(); +int dosbox_id_reset(); +uint32_t dosbox_id_read_identification(); +int probe_dosbox_id(); +int probe_dosbox_id_version_string(char *buf,size_t len); +void dosbox_id_write_data_nrl(const uint32_t val); +void dosbox_id_write_data(const uint32_t val); +void dosbox_id_debug_message(const char *str); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* __DOSLIB_HW_IDE_DOSBOXIGLIB_H */ +