1 files changed, 288 insertions, 0 deletions

diff --git a/drivers/video/virgefb.h b/drivers/video/virgefb.h
new file mode 100644
index 000000000000..157d66deb244
--- /dev/null
+++ b/drivers/video/virgefb.h
@@ -0,0 +1,288 @@
+/*
+ * linux/drivers/video/virgefb.h -- CyberVision64 definitions for the
+ *                                  text console driver.
+ *
+ *   Copyright (c) 1998 Alan Bair
+ *
+ * This file is based on the initial port to Linux of grf_cvreg.h:
+ *
+ *   Copyright (c) 1997 Antonio Santos
+ *
+ * The original work is from the NetBSD CyberVision 64 framebuffer driver 
+ * and support files (grf_cv.c, grf_cvreg.h, ite_cv.c):
+ * Permission to use the source of this driver was obtained from the
+ * author Michael Teske by Alan Bair.
+ *
+ *   Copyright (c) 1995 Michael Teske
+ *
+ * History:
+ *
+ *
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+/* Enhanced register mapping (MMIO mode) */
+
+#define S3_CRTC_ADR    0x03d4
+#define S3_CRTC_DATA   0x03d5
+
+#define S3_REG_LOCK2    0x39
+#define S3_HGC_MODE     0x45
+
+#define S3_HWGC_ORGX_H  0x46
+#define S3_HWGC_ORGX_L  0x47
+#define S3_HWGC_ORGY_H  0x48
+#define S3_HWGC_ORGY_L  0x49
+#define S3_HWGC_DX      0x4e
+#define S3_HWGC_DY      0x4f
+
+#define S3_LAW_CTL      0x58
+
+/**************************************************/
+
+/*
+ * Defines for the used register addresses (mw)
+ *
+ * NOTE: There are some registers that have different addresses when
+ *       in mono or color mode. We only support color mode, and thus
+ *       some addresses won't work in mono-mode!
+ *
+ * General and VGA-registers taken from retina driver. Fixed a few
+ * bugs in it. (SR and GR read address is Port + 1, NOT Port)
+ *
+ */
+
+/* General Registers: */
+#define GREG_MISC_OUTPUT_R      0x03CC
+#define GREG_MISC_OUTPUT_W      0x03C2  
+#define GREG_FEATURE_CONTROL_R  0x03CA 
+#define GREG_FEATURE_CONTROL_W  0x03DA
+#define GREG_INPUT_STATUS0_R    0x03C2
+#define GREG_INPUT_STATUS1_R    0x03DA
+
+/* Setup Registers: */
+#define SREG_VIDEO_SUBS_ENABLE  0x03C3  /* virge */
+
+/* Attribute Controller: */
+#define ACT_ADDRESS             0x03C0
+#define ACT_ADDRESS_R           0x03C1
+#define ACT_ADDRESS_W           0x03C0
+#define ACT_ADDRESS_RESET       0x03DA
+#define ACT_ID_PALETTE0         0x00
+#define ACT_ID_PALETTE1         0x01
+#define ACT_ID_PALETTE2         0x02
+#define ACT_ID_PALETTE3         0x03
+#define ACT_ID_PALETTE4         0x04
+#define ACT_ID_PALETTE5         0x05
+#define ACT_ID_PALETTE6         0x06
+#define ACT_ID_PALETTE7         0x07
+#define ACT_ID_PALETTE8         0x08
+#define ACT_ID_PALETTE9         0x09
+#define ACT_ID_PALETTE10        0x0A
+#define ACT_ID_PALETTE11        0x0B
+#define ACT_ID_PALETTE12        0x0C
+#define ACT_ID_PALETTE13        0x0D
+#define ACT_ID_PALETTE14        0x0E
+#define ACT_ID_PALETTE15        0x0F
+#define ACT_ID_ATTR_MODE_CNTL   0x10
+#define ACT_ID_OVERSCAN_COLOR   0x11
+#define ACT_ID_COLOR_PLANE_ENA  0x12
+#define ACT_ID_HOR_PEL_PANNING  0x13
+#define ACT_ID_COLOR_SELECT     0x14    /* virge PX_PADD  pixel padding register */
+
+/* Graphics Controller: */
+#define GCT_ADDRESS             0x03CE
+#define GCT_ADDRESS_R           0x03CF
+#define GCT_ADDRESS_W           0x03CF
+#define GCT_ID_SET_RESET        0x00
+#define GCT_ID_ENABLE_SET_RESET 0x01
+#define GCT_ID_COLOR_COMPARE    0x02
+#define GCT_ID_DATA_ROTATE      0x03
+#define GCT_ID_READ_MAP_SELECT  0x04
+#define GCT_ID_GRAPHICS_MODE    0x05
+#define GCT_ID_MISC             0x06
+#define GCT_ID_COLOR_XCARE      0x07
+#define GCT_ID_BITMASK          0x08
+
+/* Sequencer: */
+#define SEQ_ADDRESS             0x03C4
+#define SEQ_ADDRESS_R           0x03C5
+#define SEQ_ADDRESS_W           0x03C5
+#define SEQ_ID_RESET            0x00
+#define SEQ_ID_CLOCKING_MODE    0x01
+#define SEQ_ID_MAP_MASK         0x02
+#define SEQ_ID_CHAR_MAP_SELECT  0x03
+#define SEQ_ID_MEMORY_MODE      0x04
+#define SEQ_ID_UNKNOWN1         0x05
+#define SEQ_ID_UNKNOWN2         0x06
+#define SEQ_ID_UNKNOWN3         0x07
+/* S3 extensions */
+#define SEQ_ID_UNLOCK_EXT       0x08
+#define SEQ_ID_EXT_SEQ_REG9     0x09    /* b7 = 1 extended reg access by MMIO only */
+#define SEQ_ID_BUS_REQ_CNTL     0x0A
+#define SEQ_ID_EXT_MISC_SEQ     0x0B
+#define SEQ_ID_UNKNOWN4         0x0C
+#define SEQ_ID_EXT_SEQ          0x0D
+#define SEQ_ID_UNKNOWN5         0x0E
+#define SEQ_ID_UNKNOWN6         0x0F
+#define SEQ_ID_MCLK_LO          0x10
+#define SEQ_ID_MCLK_HI          0x11
+#define SEQ_ID_DCLK_LO          0x12
+#define SEQ_ID_DCLK_HI          0x13
+#define SEQ_ID_CLKSYN_CNTL_1    0x14
+#define SEQ_ID_CLKSYN_CNTL_2    0x15
+#define SEQ_ID_CLKSYN_TEST_HI   0x16    /* reserved for S3 testing of the */
+#define SEQ_ID_CLKSYN_TEST_LO   0x17    /* internal clock synthesizer   */
+#define SEQ_ID_RAMDAC_CNTL      0x18
+#define SEQ_ID_MORE_MAGIC       0x1A
+#define SEQ_ID_SIGNAL_SELECT    0x1C    /* new for virge */
+
+/* CRT Controller: */
+#define CRT_ADDRESS             0x03D4
+#define CRT_ADDRESS_R           0x03D5
+#define CRT_ADDRESS_W           0x03D5
+#define CRT_ID_HOR_TOTAL        0x00
+#define CRT_ID_HOR_DISP_ENA_END 0x01
+#define CRT_ID_START_HOR_BLANK  0x02
+#define CRT_ID_END_HOR_BLANK    0x03
+#define CRT_ID_START_HOR_RETR   0x04
+#define CRT_ID_END_HOR_RETR     0x05
+#define CRT_ID_VER_TOTAL        0x06
+#define CRT_ID_OVERFLOW         0x07
+#define CRT_ID_PRESET_ROW_SCAN  0x08
+#define CRT_ID_MAX_SCAN_LINE    0x09
+#define CRT_ID_CURSOR_START     0x0A
+#define CRT_ID_CURSOR_END       0x0B
+#define CRT_ID_START_ADDR_HIGH  0x0C
+#define CRT_ID_START_ADDR_LOW   0x0D
+#define CRT_ID_CURSOR_LOC_HIGH  0x0E
+#define CRT_ID_CURSOR_LOC_LOW   0x0F
+#define CRT_ID_START_VER_RETR   0x10
+#define CRT_ID_END_VER_RETR     0x11
+#define CRT_ID_VER_DISP_ENA_END 0x12
+#define CRT_ID_SCREEN_OFFSET    0x13
+#define CRT_ID_UNDERLINE_LOC    0x14
+#define CRT_ID_START_VER_BLANK  0x15
+#define CRT_ID_END_VER_BLANK    0x16
+#define CRT_ID_MODE_CONTROL     0x17
+#define CRT_ID_LINE_COMPARE     0x18
+#define CRT_ID_GD_LATCH_RBACK   0x22
+#define CRT_ID_ACT_TOGGLE_RBACK 0x24
+#define CRT_ID_ACT_INDEX_RBACK  0x26
+/* S3 extensions: S3 VGA Registers */
+#define CRT_ID_DEVICE_HIGH      0x2D
+#define CRT_ID_DEVICE_LOW       0x2E
+#define CRT_ID_REVISION         0x2F
+#define CRT_ID_CHIP_ID_REV      0x30
+#define CRT_ID_MEMORY_CONF      0x31
+#define CRT_ID_BACKWAD_COMP_1   0x32
+#define CRT_ID_BACKWAD_COMP_2   0x33
+#define CRT_ID_BACKWAD_COMP_3   0x34
+#define CRT_ID_REGISTER_LOCK    0x35
+#define CRT_ID_CONFIG_1         0x36
+#define CRT_ID_CONFIG_2         0x37
+#define CRT_ID_REGISTER_LOCK_1  0x38
+#define CRT_ID_REGISTER_LOCK_2  0x39
+#define CRT_ID_MISC_1           0x3A
+#define CRT_ID_DISPLAY_FIFO     0x3B
+#define CRT_ID_LACE_RETR_START  0x3C
+/* S3 extensions: System Control Registers  */
+#define CRT_ID_SYSTEM_CONFIG    0x40
+#define CRT_ID_BIOS_FLAG        0x41
+#define CRT_ID_LACE_CONTROL     0x42
+#define CRT_ID_EXT_MODE         0x43
+#define CRT_ID_HWGC_MODE        0x45    /* HWGC = Hardware Graphics Cursor */
+#define CRT_ID_HWGC_ORIGIN_X_HI 0x46
+#define CRT_ID_HWGC_ORIGIN_X_LO 0x47
+#define CRT_ID_HWGC_ORIGIN_Y_HI 0x48
+#define CRT_ID_HWGC_ORIGIN_Y_LO 0x49
+#define CRT_ID_HWGC_FG_STACK    0x4A
+#define CRT_ID_HWGC_BG_STACK    0x4B
+#define CRT_ID_HWGC_START_AD_HI 0x4C
+#define CRT_ID_HWGC_START_AD_LO 0x4D
+#define CRT_ID_HWGC_DSTART_X    0x4E
+#define CRT_ID_HWGC_DSTART_Y    0x4F
+/* S3 extensions: System Extension Registers  */
+#define CRT_ID_EXT_SYS_CNTL_1   0x50    /* NOT a virge register */
+#define CRT_ID_EXT_SYS_CNTL_2   0x51
+#define CRT_ID_EXT_BIOS_FLAG_1  0x52
+#define CRT_ID_EXT_MEM_CNTL_1   0x53
+#define CRT_ID_EXT_MEM_CNTL_2   0x54
+#define CRT_ID_EXT_DAC_CNTL     0x55
+#define CRT_ID_EX_SYNC_1        0x56
+#define CRT_ID_EX_SYNC_2        0x57
+#define CRT_ID_LAW_CNTL         0x58    /* LAW = Linear Address Window */
+#define CRT_ID_LAW_POS_HI       0x59
+#define CRT_ID_LAW_POS_LO       0x5A
+#define CRT_ID_GOUT_PORT        0x5C
+#define CRT_ID_EXT_HOR_OVF      0x5D
+#define CRT_ID_EXT_VER_OVF      0x5E
+#define CRT_ID_EXT_MEM_CNTL_3   0x60    /* NOT a virge register */
+#define CRT_ID_EXT_MEM_CNTL_4   0x61
+#define CRT_ID_EX_SYNC_3        0x63    /* NOT a virge register */
+#define CRT_ID_EXT_MISC_CNTL    0x65
+#define CRT_ID_EXT_MISC_CNTL_1  0x66
+#define CRT_ID_EXT_MISC_CNTL_2  0x67
+#define CRT_ID_CONFIG_3         0x68
+#define CRT_ID_EXT_SYS_CNTL_3   0x69
+#define CRT_ID_EXT_SYS_CNTL_4   0x6A
+#define CRT_ID_EXT_BIOS_FLAG_3  0x6B
+#define CRT_ID_EXT_BIOS_FLAG_4  0x6C
+/* S3 virge extensions: more System Extension Registers  */
+#define CRT_ID_EXT_BIOS_FLAG_5  0x6D
+#define CRT_ID_EXT_DAC_TEST     0x6E
+#define CRT_ID_CONFIG_4         0x6F
+
+/* Video DAC */
+#define VDAC_ADDRESS            0x03c8
+#define VDAC_ADDRESS_W          0x03c8
+#define VDAC_ADDRESS_R          0x03c7
+#define VDAC_STATE              0x03c7
+#define VDAC_DATA               0x03c9
+#define VDAC_MASK               0x03c6
+
+/* Miscellaneous Registers */
+#define MR_SUBSYSTEM_STATUS_R           0x8504  /* new for virge */
+#define MR_SUBSYSTEM_CNTL_W             0x8504  /* new for virge */
+#define MR_ADVANCED_FUNCTION_CONTROL    0x850C  /* new for virge */
+
+/* Blitter  */
+#define BLT_COMMAND_SET         0xA500
+#define BLT_SIZE_X_Y            0xA504
+#define BLT_SRC_X_Y             0xA508
+#define BLT_DEST_X_Y            0xA50C
+
+#define BLT_SRC_BASE            0xa4d4
+#define BLT_DEST_BASE           0xa4d8
+#define BLT_CLIP_LEFT_RIGHT     0xa4dc
+#define BLT_CLIP_TOP_BOTTOM     0xa4e0
+#define BLT_SRC_DEST_STRIDE     0xa4e4
+#define BLT_MONO_PATTERN_0      0xa4e8
+#define BLT_MONO_PATTERN_1      0xa4ec
+#define BLT_PATTERN_COLOR       0xa4f4
+
+#define L2D_COMMAND_SET         0xA900
+#define L2D_CLIP_LEFT_RIGHT     0xA8DC
+#define L2D_CLIP_TOP_BOTTOM     0xA8E0
+
+#define P2D_COMMAND_SET         0xAD00
+#define P2D_CLIP_LEFT_RIGHT     0xACDC
+#define P2D_CLIP_TOP_BOTTOM     0xACE0
+
+#define CMD_NOP         (0xf << 27)     /* %1111 << 27, was 0x07 */ 
+#define S3V_BITBLT      (0x0 << 27)
+#define S3V_RECTFILL    (0x2 << 27)
+#define S3V_AUTOEXE     0x01
+#define S3V_HWCLIP      0x02
+#define S3V_DRAW        0x20
+#define S3V_DST_8BPP    0x00
+#define S3V_DST_16BPP   0x04
+#define S3V_DST_24BPP   0x08
+#define S3V_MONO_PAT    0x100
+
+#define S3V_BLT_COPY    (0xcc<<17)
+#define S3V_BLT_CLEAR   (0x00<<17)
+#define S3V_BLT_SET     (0xff<<17)