1 files changed, 415 insertions, 0 deletions

diff --git a/drivers/video/cyberfb.h b/drivers/video/cyberfb.h
new file mode 100644
index 000000000000..8435c430ad27
--- /dev/null
+++ b/drivers/video/cyberfb.h
@@ -0,0 +1,415 @@
+/*
+ * linux/arch/m68k/console/cvision.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.
+ */
+
+/* s3 commands */
+#define S3_BITBLT       0xc011
+#define S3_TWOPOINTLINE 0x2811
+#define S3_FILLEDRECT   0x40b1
+
+#define S3_FIFO_EMPTY 0x0400
+#define S3_HDW_BUSY   0x0200
+
+/* Enhanced register mapping (MMIO mode) */
+
+#define S3_READ_SEL      0xbee8 /* offset f */
+#define S3_MULT_MISC     0xbee8 /* offset e */
+#define S3_ERR_TERM      0x92e8
+#define S3_FRGD_COLOR    0xa6e8
+#define S3_BKGD_COLOR    0xa2e8
+#define S3_PIXEL_CNTL    0xbee8 /* offset a */
+#define S3_FRGD_MIX      0xbae8
+#define S3_BKGD_MIX      0xb6e8
+#define S3_CUR_Y         0x82e8
+#define S3_CUR_X         0x86e8
+#define S3_DESTY_AXSTP   0x8ae8
+#define S3_DESTX_DIASTP  0x8ee8
+#define S3_MIN_AXIS_PCNT 0xbee8 /* offset 0 */
+#define S3_MAJ_AXIS_PCNT 0x96e8
+#define S3_CMD           0x9ae8
+#define S3_GP_STAT       0x9ae8
+#define S3_ADVFUNC_CNTL  0x4ae8
+#define S3_WRT_MASK      0xaae8
+#define S3_RD_MASK       0xaee8
+
+/* Enhanced register mapping (Packed MMIO mode, write only) */
+#define S3_ALT_CURXY     0x8100
+#define S3_ALT_CURXY2    0x8104
+#define S3_ALT_STEP      0x8108
+#define S3_ALT_STEP2     0x810c
+#define S3_ALT_ERR       0x8110
+#define S3_ALT_CMD       0x8118
+#define S3_ALT_MIX       0x8134
+#define S3_ALT_PCNT      0x8148
+#define S3_ALT_PAT       0x8168
+
+/* Drawing modes */
+#define S3_NOTCUR          0x0000
+#define S3_LOGICALZERO     0x0001
+#define S3_LOGICALONE      0x0002
+#define S3_LEAVEASIS       0x0003
+#define S3_NOTNEW          0x0004
+#define S3_CURXORNEW       0x0005
+#define S3_NOT_CURXORNEW   0x0006
+#define S3_NEW             0x0007
+#define S3_NOTCURORNOTNEW  0x0008
+#define S3_CURORNOTNEW     0x0009
+#define S3_NOTCURORNEW     0x000a
+#define S3_CURORNEW        0x000b
+#define S3_CURANDNEW       0x000c
+#define S3_NOTCURANDNEW    0x000d
+#define S3_CURANDNOTNEW    0x000e
+#define S3_NOTCURANDNOTNEW 0x000f
+
+#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
+
+/**************************************************/
+
+/* support for a BitBlt operation. The op-codes are identical
+   to X11 GCs */
+#define GRFBBOPclear            0x0     /* 0 */
+#define GRFBBOPand              0x1     /* src AND dst */
+#define GRFBBOPandReverse       0x2     /* src AND NOT dst */
+#define GRFBBOPcopy             0x3     /* src */
+#define GRFBBOPandInverted      0x4     /* NOT src AND dst */
+#define GRFBBOPnoop             0x5     /* dst */
+#define GRFBBOPxor              0x6     /* src XOR dst */
+#define GRFBBOPor               0x7     /* src OR dst */
+#define GRFBBOPnor              0x8     /* NOT src AND NOT dst */
+#define GRFBBOPequiv            0x9     /* NOT src XOR dst */
+#define GRFBBOPinvert           0xa     /* NOT dst */
+#define GRFBBOPorReverse        0xb     /* src OR NOT dst */
+#define GRFBBOPcopyInverted     0xc     /* NOT src */
+#define GRFBBOPorInverted       0xd     /* NOT src OR dst */
+#define GRFBBOPnand             0xe     /* NOT src OR NOT dst */
+#define GRFBBOPset              0xf     /* 1 */
+
+
+/* Write 16 Bit VGA register */
+#define vgaw16(ba, reg, val) \
+*((unsigned short *)  (((volatile unsigned char *)ba)+reg)) = val
+
+/*
+ * 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_OPTION_SELECT      0x0102
+#define SREG_VIDEO_SUBS_ENABLE  0x46E8
+
+/* 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
+
+/* 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
+#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
+
+/* 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
+#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
+#define CRT_ID_EX_SYNC_3        0x63
+#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
+
+/* Enhanced Commands Registers: */
+#define ECR_SUBSYSTEM_STAT      0x42E8
+#define ECR_SUBSYSTEM_CNTL      0x42E8
+#define ECR_ADV_FUNC_CNTL       0x4AE8
+#define ECR_CURRENT_Y_POS       0x82E8
+#define ECR_CURRENT_Y_POS2      0x82EA  /* Trio64 only */
+#define ECR_CURRENT_X_POS       0x86E8
+#define ECR_CURRENT_X_POS2      0x86EA  /* Trio64 only */
+#define ECR_DEST_Y__AX_STEP     0x8AE8
+#define ECR_DEST_Y2__AX_STEP2   0x8AEA  /* Trio64 only */
+#define ECR_DEST_X__DIA_STEP    0x8EE8
+#define ECR_DEST_X2__DIA_STEP2  0x8EEA  /* Trio64 only */
+#define ECR_ERR_TERM            0x92E8
+#define ECR_ERR_TERM2           0x92EA  /* Trio64 only */
+#define ECR_MAJ_AXIS_PIX_CNT    0x96E8
+#define ECR_MAJ_AXIS_PIX_CNT2   0x96EA  /* Trio64 only */
+#define ECR_GP_STAT             0x9AE8  /* GP = Graphics Processor */
+#define ECR_DRAW_CMD            0x9AE8
+#define ECR_DRAW_CMD2           0x9AEA  /* Trio64 only */
+#define ECR_SHORT_STROKE        0x9EE8
+#define ECR_BKGD_COLOR          0xA2E8  /* BKGD = Background */
+#define ECR_FRGD_COLOR          0xA6E8  /* FRGD = Foreground */
+#define ECR_BITPLANE_WRITE_MASK 0xAAE8
+#define ECR_BITPLANE_READ_MASK  0xAEE8
+#define ECR_COLOR_COMPARE       0xB2E8
+#define ECR_BKGD_MIX            0xB6E8
+#define ECR_FRGD_MIX            0xBAE8
+#define ECR_READ_REG_DATA       0xBEE8
+#define ECR_ID_MIN_AXIS_PIX_CNT 0x00
+#define ECR_ID_SCISSORS_TOP     0x01
+#define ECR_ID_SCISSORS_LEFT    0x02
+#define ECR_ID_SCISSORS_BUTTOM  0x03
+#define ECR_ID_SCISSORS_RIGHT   0x04
+#define ECR_ID_PIX_CNTL         0x0A
+#define ECR_ID_MULT_CNTL_MISC_2 0x0D
+#define ECR_ID_MULT_CNTL_MISC   0x0E
+#define ECR_ID_READ_SEL         0x0F
+#define ECR_PIX_TRANS           0xE2E8
+#define ECR_PIX_TRANS_EXT       0xE2EA
+#define ECR_PATTERN_Y           0xEAE8  /* Trio64 only */
+#define ECR_PATTERN_X           0xEAEA  /* Trio64 only */
+
+
+/* Pass-through */
+#define PASS_ADDRESS            0x40001
+#define PASS_ADDRESS_W          0x40001
+
+/* 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
+
+
+#define WGfx(ba, idx, val) \
+do { wb_64(ba, GCT_ADDRESS, idx); wb_64(ba, GCT_ADDRESS_W , val); } while (0)
+
+#define WSeq(ba, idx, val) \
+do { wb_64(ba, SEQ_ADDRESS, idx); wb_64(ba, SEQ_ADDRESS_W , val); } while (0)
+
+#define WCrt(ba, idx, val) \
+do { wb_64(ba, CRT_ADDRESS, idx); wb_64(ba, CRT_ADDRESS_W , val); } while (0)
+
+#define WAttr(ba, idx, val) \
+do { \
+  unsigned char tmp;\
+  tmp = rb_64(ba, ACT_ADDRESS_RESET);\
+  wb_64(ba, ACT_ADDRESS_W, idx);\
+  wb_64(ba, ACT_ADDRESS_W, val);\
+} while (0)
+
+#define SetTextPlane(ba, m) \
+do { \
+  WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
+  WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
+} while (0)
+
+     /* --------------------------------- */
+     /* prototypes                        */
+     /* --------------------------------- */
+
+inline unsigned char RAttr(volatile unsigned char * board, short idx);
+inline unsigned char RSeq(volatile unsigned char * board, short idx);
+inline unsigned char RCrt(volatile unsigned char * board, short idx);
+inline unsigned char RGfx(volatile unsigned char * board, short idx);
+inline void cv64_write_port(unsigned short bits,
+                            volatile unsigned char *board);
+inline void cvscreen(int toggle, volatile unsigned char *board);
+inline void gfx_on_off(int toggle, volatile unsigned char *board);
+#if 0
+unsigned short cv64_compute_clock(unsigned long freq);
+int cv_has_4mb(volatile unsigned char * fb);
+void cv64_board_init(void);
+void cv64_load_video_mode(struct fb_var_screeninfo *video_mode);
+#endif
+
+void cvision_bitblt(u_short sx, u_short sy, u_short dx, u_short dy, u_short w,
+                    u_short h);
+void cvision_clear(u_short dx, u_short dy, u_short w, u_short h, u_short bg);