/*      $NetBSD: pm2reg.h,v 1.12 2016/12/16 23:31:16 macallan Exp $     */

/*
* Copyright (c) 2009 Michael Lorenz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*
* register definitions for Permedia 2 graphics controllers
*/


#ifndef PM2_REG_H
#define PM2_REG_H

/* all frequencies are in kHz */
#define PM2_EXT_CLOCK_FREQ              14318
#define PM2_PLL_FREQ_MIN                150000
#define PM2_PLL_FREQ_MAX                300000

#define PM2_RESET       0x00000000      /* any write initiates a chip reset */
#define         PM2_RESET_BUSY  0x80000000      /* reset in progress */

#define PM2_INPUT_FIFO_SPACE    0x00000018
#define PM2_OUTPUT_FIFO_WORDS   0x00000020

#define PM2_VCLKCTL             0x00000040
#define         VCC_CLOCK_A             0x00000000
#define         VCC_CLOCK_B             0x00000001
#define         VCC_CLOCK_C             0x00000002
/* PCI clocks to wait between RAMDAC accesses */
#define         VCC_RAMDAC_WAIT_MASK    0x000003fc

#define PM2_APERTURE1_CONTROL   0x00000050
#define PM2_APERTURE2_CONTROL   0x00000058
#define         PM2_AP_BYTESWAP         0x00000001
#define         PM2_AP_HALFWORDSWAP     0x00000002
#define         PM2_AP_PACKED16_EN      0x00000008
#define         PM2_AP_PACKED16_READ_B  0x00000010 /* Buffer A otherwise */
#define         PM2_AP_PACKED16_WRITE_B 0x00000020 /* A otherwise */
#define         PM2_AP_PACKED16_WRT_DBL 0x00000040
#define         PM2_AP_PACKED16_R31     0x00000080 /* read buffer selected by
                                                   * visibility bit in memory
                                                   */
#define         PM2_AP_SVGA             0x00000100
#define         PM2_AP_ROM              0x00000200

#define PM2_CHIP_CONFIG         0x00000070

#define PM2_BYPASS_MASK         0x00001100
#define PM2_FB_WRITE_MASK       0x00001140

#define PM2_OUTPUT_FIFO         0x00002000

#define PM2_SCREEN_BASE         0x00003000 /* in 64bit units */
#define PM2_SCREEN_STRIDE       0x00003008 /* in 64bit units */
#define PM2_HTOTAL              0x00003010
#define PM2_HGATE_END           0x00003018
#define PM2_HBLANK_END          0x00003020
#define PM2_HSYNC_START         0x00003028
#define PM2_HSYNC_END           0x00003030
#define PM2_VTOTAL              0x00003038
#define PM2_VBLANK_END          0x00003040
#define PM2_VSYNC_START         0x00003048
#define PM2_VSYNC_END           0x00003050
#define PM2_VIDEO_CONTROL       0x00003058
#define         PM2_VC_VIDEO_ENABLE     0x00000001
#define         PM2_VC_BLANK_ACR_LOW    0x00000002
#define         PM2_VC_LINE_DOUBLE      0x00000004
#define         PM2_VC_HSYNC_FORCE_H    0x00000000
#define         PM2_VC_HSYNC_ACT_HIGH   0x00000008
#define         PM2_VC_HSYNC_FORCE_L    0x00000010
#define         PM2_VC_HSYNC_ACT_LOW    0x00000018
#define         PM2_VC_VSYNC_FORCE_H    0x00000000
#define         PM2_VC_VSYNC_ACT_HIGH   0x00000020
#define         PM2_VC_VSYNC_FORCE_L    0x00000040
#define         PM2_VC_VSYNC_ACT_LOW    0x00000060
#define         PM2_VC_BP_BASE_PENDING  0x00000080
#define         PM2_VC_RE_BASE_PENDING  0x00000100
#define         PM2_VC_SWAP_SYNC_BLANK  0x00000000
#define         PM2_VC_SWAP_FREERUNNING 0x00000200
#define         PM2_VC_SWAP_LIMIT_FR    0x00000400
#define         PM2_VC_STEREO_ENABLE    0x00000800
#define         PM2_VC_RIGHT_EYE_ACT_L  0x00001000
#define         PM2_VC_DISP_RIGHT_FRAME 0x00002000      /* RO, left otherwise */
#define         PM2_VC_BP_RIGHT_PENDING 0x00004000
#define         PM2_VC_RE_RIGHT_PENDING 0x00008000
#define         PM2_VC_RAMDAC_64BIT     0x00010000      /* 32bit otherwise */

#define PM2_DISPLAY_DATA        0x00003068
#define         PM2_DD_SDA_IN           0x00000001
#define         PM2_DD_SCL_IN           0x00000002
#define         PM2_DD_SDA_OUT          0x00000004
#define         PM2_DD_SCL_OUT          0x00000008
#define         PM2_DD_LATCHED_DATA     0x00000010
#define         PM2_DD_DATA_VALID       0x00000020      /* clear by 1 */
#define         PM2_DD_START            0x00000040      /* START detected */
#define         PM2_DD_STOP             0x00000080      /* STOP detected */
#define         PM2_DD_INSERT_WAITS     0x00000100
#define         PM2_DD_USE_MONID        0x00000200      /* DDC2 otherwise */
#define         PM2_DD_MONID_IN_MASK    0x00001c00
#define         PM2_DD_MONID_OUT_MASK   0x0000e000

/* RAMDAC */
#define PM2_DAC_PAL_WRITE_IDX   0x00004000
#define PM2_DAC_DATA            0x00004008
#define PM2_DAC_MASK            0x00004010
#define PM2_DAC_PAL_READ_IDX    0x00004018
/* these are different on PM2V: */
#define PM2_DAC_CURSOR_PAL      0x00004020
#define PM2_DAC_CURSOR_DATA     0x00004028
/* here we go: */
#define PM2V_DAC_INDEX_LOW      0x00004020
#define PM2V_DAC_INDEX_HIGH     0x00004028
#define PM2V_DAC_INDEX_DATA     0x00004030
#define PM2V_DAC_INDEX_CONTROL  0x00004038

#define PM2_DAC_INDEX_DATA      0x00004050
#define PM2_DAC_CURSOR_RAM      0x00004058
#define PM2_DAC_CURSOR_X_LOW    0x00004060
#define PM2_DAC_CURSOR_X_HIGH   0x00004068
#define PM2_DAC_CURSOR_Y_LOW    0x00004070
#define PM2_DAC_CURSOR_Y_HIGH   0x00004078

/* RAMDAC registers ( through INDEX_DATA */
#define PM2_DAC_COLOR_MODE      0x18
#define         CM_PALETTE      0x00
#define         CM_RGB332       0x01
#define         CM_RGB232OFFSET 0x02
#define         CM_RGBA2321     0x03
#define         CM_RGBA5551     0x04
#define         CM_RGBA4444     0x05
#define         CM_RGB565       0x06
#define         CM_RGBA8888     0x08
#define         CM_RGB888       0x09
#define         CM_GUI_ENABLE   0x10
#define         CM_RGB          0x20    /* BGR otherwise */
#define         CM_TRUECOLOR    0x80    /* use palette for gamma correction */
#define PM2_DAC_MODE_CONTROL    0x19
#define         MOC_BUFFERFRONT 0x00

#define PM2_DAC_MISC_CONTROL    0x1e
#define         MC_POWERDOWN    0x01
#define         MC_PALETTE_8BIT 0x02    /* 6bit otherwise */
#define         MC_HSYNC_INV    0x04
#define         MC_VSYNC_INV    0x08
#define         MC_SYNCONGREEN  0x10
#define PM2_DAC_PIXELCLKA_M     0x20
#define PM2_DAC_PIXELCLKA_N     0x21
#define PM2_DAC_PIXELCLKA_P     0x22
#define         PCLK_ENABLE     0x08
#define PM2_DAC_PIXELCLKB_M     0x23
#define PM2_DAC_PIXELCLKB_N     0x24
#define PM2_DAC_PIXELCLKB_P     0x25
#define PM2_DAC_PIXELCLKC_M     0x26
#define PM2_DAC_PIXELCLKC_N     0x27
#define PM2_DAC_PIXELCLKC_P     0x28
#define PM2_DAC_PIXELCLK_STATUS 0x29
#define         PCLK_LOCKED     0x10
#define PM2_DAC_MEMCLK_M        0x30
#define PM2_DAC_MEMCLK_N        0x31
#define PM2_DAC_MEMCLK_P        0x32
#define PM2_DAC_MEMCLK_STATUS   0x33

/* PM2V RAMDAC */
#define PM2V_DAC_MISC_CONTROL           0x000
#define         PM2V_DAC_8BIT           0x01    /* 6bit otherwise */
#define         PM2V_DAC_BYPASS_CLUT    0x08    /* ??? guess from xorg */
#define         PM2V_DAC_8_24_OVERLAY   0x10    /* ??? guess from xorg */
#define PM2V_DAC_SYNC_CONTROL           0x001
#define         PM2V_DAC_HSYNC_INV      0x01
#define         PM2V_DAC_VSYNC_INV      0x08
#define PM2V_DAC_CONTROL                0x002
#define PM2V_DAC_PIXEL_SIZE             0x003
#define         PM2V_PS_8BIT            0x00
#define         PM2V_PS_16BIT           0x01
#define         PM2V_PS_32BIT           0x02
#define         PM2V_PS_24BIT           0x04
#define PM2V_DAC_COLOR_FORMAT           0x004
#define         PM2V_DAC_PALETTE        0x2e
#define         PM2V_DAC_RGB555         0x61
#define         PM2V_DAC_RGB565         0x70
#define         PM2V_DAC_RGB888         0x60
#define         PM2V_DAC_RGBA8888       0x20

#define PM2V_DAC_CHECK_CONTROL          0x018
#define PM2V_DAC_CLOCK_CONTROL          0x200
#define PM2V_DAC_CLOCK_A_M              0x201
#define PM2V_DAC_CLOCK_A_N              0x202
#define PM2V_DAC_CLOCK_A_P              0x203
#define PM2V_DAC_CLOCK_B_M              0x204
#define PM2V_DAC_CLOCK_B_N              0x205
#define PM2V_DAC_CLOCK_B_P              0x206
#define PM2V_DAC_MCLK_CONTROL           0x20D
#define PM2V_DAC_MCLK_M                 0x20E
#define PM2V_DAC_MCLK_N                 0x20F
#define PM2V_DAC_MCLK_P                 0x210

/* drawing engine */
#define PM2_RE_STARTXDOM        0x00008000
#define PM2_RE_DXDOM            0x00008008
#define PM2_RE_STARTXSUB        0x00008010
#define PM2_RE_STARTY           0x00008020
#define PM2_RE_DY               0x00008028
#define PM2_RE_COUNT            0x00008030
#define PM2_RE_BITMASK          0x00008068 /* for colour expansion */
#define PM2_RE_COLOUR           0x000087f0
#define PM2_RE_CONFIG           0x00008d90
#define         PM2RECFG_READ_SRC       0x00000001
#define         PM2RECFG_READ_DST       0x00000002
#define         PM2RECFG_PACKED         0x00000004
#define         PM2RECFG_WRITE_EN       0x00000008
#define         PM2RECFG_DDA_EN         0x00000010
#define         PM2RECFG_ROP_EN         0x00000020
#define         PM2RECFG_ROP_MASK       0x000003c0
#define         PM2RECFG_ROP_SHIFT      6

#define PM2_RE_CONST_COLOUR     0x000087e8
#define PM2_RE_BUFFER_OFFSET    0x00008a90 /* distance between src and dst */
#define PM2_RE_SOURCE_BASE      0x00008d80 /* write after windowbase */
#define PM2_RE_SOURCE_DELTA     0x00008d88 /* offset in coordinates */
#define PM2_RE_SOURCE_OFFSET    0x00008a88 /* same in pixels */
#define PM2_RE_WINDOW_BASE      0x00008ab0
#define PM2_RE_WINDOW_ORIGIN    0x000081c8
#define PM2_RE_WRITE_MODE       0x00008ab8
#define         PM2WM_WRITE_EN          0x00000001
#define         PM2WM_TO_HOST           0x00000008
#define PM2_RE_PIXEL_SIZE       0x00008ad0
#define         PM2PS_8BIT              0x00000000
#define         PM2PS_16BIT             0x00000001
#define         PM2PS_32BIT             0x00000002
#define         PM2PS_24BIT             0x00000004

#define PM2_RE_MODE             0x000080a0
#define         PM2RM_MASK_MIRROR       0x00000001 /* mask is right-to-left */
#define         PM2RM_MASK_INVERT       0x00000002
#define         PM2RM_MASK_OPAQUE       0x00000040 /* BG in TEXEL0 */
#define         PM2RM_MASK_SWAP         0x00000180
#define         PM2RM_MASK_PAD          0x00000200 /* new line new mask */
#define         PM2RM_MASK_OFFSET       0x00007c00
#define         PM2RM_HOST_SWAP         0x00018000
#define         PM2RM_LIMITS_EN         0x00040000
#define         PM2RM_MASK_REL_X        0x00080000

#define PM2_RE_RECT_START       0x000080d0
#define PM2_RE_RECT_SIZE        0x000080d8
#define PM2_RE_RENDER           0x00008038 /* write starts command */
#define         PM2RE_STIPPLE           0x00000001
#define         PM2RE_FASTFILL          0x00000008
#define         PM2RE_LINE              0x00000000
#define         PM2RE_TRAPEZOID         0x00000040
#define         PM2RE_POINT             0x00000080
#define         PM2RE_RECTANGLE         0x000000c0
#define         PM2RE_SYNC_ON_MASK      0x00000800 /* wait for write to bitmask
                                                     register */
#define         PM2RE_SYNC_ON_HOST      0x00001000 /* wait for host data */
#define         PM2RE_TEXTURE_EN        0x00002000
#define         PM2RE_INC_X             0x00200000 /* drawing direction */
#define         PM2RE_INC_Y             0x00400000
#define PM2_RE_TEXEL0           0x00008600 /* background colour */
#define PM2_RE_STATUS           0x00000068
#define         PM2ST_BUSY      0x80000000
#define PM2_RE_SYNC             0x00008c40
#define PM2_RE_FILTER_MODE      0x00008c00
#define         PM2FLT_PASS_SYNC        0x00000400
#define PM2_RE_DDA_MODE         0x000087e0
#define         PM2DDA_ENABLE           0x00000001
#define         PM2DDA_GOURAUD          0x00000002 /* flat otherwise */
#define PM2_RE_BLOCK_COLOUR     0x00008ac8
#define PM2_RE_STIPPLE_MODE     0x000081a0
#define         PM2ST_ENABLE            0x00000001
#define         PM2ST_XOFFSET_MASK      0x00000380
#define         PM2ST_YOFFSET_MASK      0x00007000
#define         PM2ST_INVERT            0x00020000
#define         PM2ST_MIRROR_X          0x00040000
#define         PM2ST_MIRROR_Y          0x00080000
#define         PM2ST_OPAQUE            0x00100000
#define PM2_HW_WRITEMASK        0x00008ac0
#define PM2_SW_WRITEMASK        0x00008820
#define PM2_FB_READMODE         0x00008a80
#define         PM2FB_PP0_MASK  0x00000007
#define         PM2FB_PP1_MASK  0x00000038
#define         PM2FB_PP2_MASK  0x000001c0
#define         PM2FB_READ_SRC  0x00000200
#define         PM2FB_READ_DST  0x00000400
#define         PM2FB_FBCOLOR   0x00008000 /* for uploads */
#define         PM2FB_ORIGIN_BL 0x00010000 /* window origin, TL otherwise */
#define         PM2FB_PATCH_EN  0x00020000
#define         PM2FB_PACKED    0x00040000
#define         PM2FB_OFFSET_M  0x00380000
#define         PM2FB_PM_PATCH  0x00000000
#define         PM2FB_PM_SUB    0x02000000
#define         PM2FB_PM_SUBP   0x04000000

#define PM2_RE_SCISSOR_MODE     0x00008180
#define         PM2SC_USER_EN           0x00000001 /* from scissor reg */
#define         PM2SC_SCREEN_EN         0x00000002 /* screensize reg */
#define PM2_RE_SCREENSIZE       0x00008198
#define PM2_RE_SCISSOR_MINYX    0x00008188
#define PM2_RE_SCISSOR_MAXYX    0x00008190
#define PM2_RE_TEXMAP_FORMAT    0x00008588
/* format to write into the framebuffer */
#define PM2_RE_DITHER_MODE      0x00008818
#define         PM2DM_ENABLE            0x00000001
#define         PM2DM_DITHER_ENABLE     0x00000002
#define         PM2DM_COLOUR_FORMAT_M   0x0000003c
#define         PM2DM_8888              0x00000000
#define         PM2DM_5551F             0x00000004
#define         PM2DM_4444              0x00000008
#define         PM2DM_332F              0x00000014
#define         PM2DM_332B              0x00000018
#define         PM2DM_2321F             0x00000024
#define         PM2DM_2321B             0x00000028
#define         PM2DM_232FO             0x0000002c
#define         PM2DM_232BO             0x00000030
#define         PM2DM_5551B             0x00000034
#define         PM2DM_CI8               0x00000038
#define         PM2DM_565F              0x00010000      /* XXX */
#define         PM2DM_565B              0x00010004      /* XXX */
#define         PM2DM_X_OFFSET_M        0x000000c0
#define         PM2DM_Y_OFFSET_M        0x00000300
#define         PM2DM_RGB               0x00000400      /* BGR otherwise */
#define         PM2DM_LINE              0x00000800      /* ordered otherw. */
#define         PM2DM_FORCE_ALPHA_0     0x00001000
#define         PM2DM_FORCE_ALPHA_F8    0x00002000
#define         PM2DM_COLOUR_FORMAT_X   0x00010000      /* upper bit */

#define PM2_RE_ALPHA_MODE       0x00008810
#define         PM2AL_ENABLE            0x00000001
#define         PM2AL_OPERATION_MASK    0x000000fe
#define         PM2AL_OP_SRC_IS_ZERO                    0x00000000
#define         PM2AL_OP_SRC_IS_ONE                     0x00000002
#define         PM2AL_OP_SRC_IS_DST_COLOR               0x00000004
#define         PM2AL_OP_SRC_IS_ONE_MINUS_DST_COLOR     0x00000006
#define         PM2AL_OP_SRC_IS_SRC_ALPHA               0x00000008
#define         PM2AL_OP_SRC_IS_ONE_MINUS_SRC_ALPHA     0x0000000a
#define         PM2AL_OP_SRC_IS_DST_ALPHA               0x0000000c
#define         PM2AL_OP_SRC_IS_ONE_MINUS_DST_ALPHA     0x0000000e
#define         PM2AL_OP_SRC_IS_SRC_ALPHA_SATURATE      0x00000010
#define         PM2AL_OP_DST_IS_ZERO                    0x00000000
#define         PM2AL_OP_DST_IS_ONE                     0x00000020
#define         PM2AL_OP_DST_IS_SRC_COLOR               0x00000040
#define         PM2AL_OP_DST_IS_ONE_MINUS_SRC_COLOR     0x00000060
#define         PM2AL_OP_DST_IS_SRC_ALPHA               0x00000080
#define         PM2AL_OP_DST_IS_ONE_MINUS_SRC_ALPHA     0x000000a0
#define         PM2AL_OP_DST_IS_DST_ALPHA               0x000000c0
#define         PM2AL_OP_DST_IS_ONE_MINUS_DST_ALPHA     0x000000e0
/*
* XXX
* format of incoming data
* the 5th bit is in bit 16
*/
#define         PM2AL_COLOUR_FORMAT_M   0x00000f00
#define         PM2AL_8888              0x00000000
#define         PM2AL_5551F             0x00000100
#define         PM2AL_4444              0x00000200
#define         PM2AL_332F              0x00000500
#define         PM2AL_332B              0x00000600
#define         PM2AL_2321F             0x00000900
#define         PM2AL_2321B             0x00000a00
#define         PM2AL_232FO             0x00000b00
#define         PM2AL_232BO             0x00000c00
#define         PM2AL_5551B             0x00000d00
#define         PM2AL_CI8               0x00000e00
#define         PM2AL_565F              0x00010000      /* XXX */
#define         PM2AL_565B              0x00010100      /* XXX */
#define         PM2AL_NO_ALPHA          0x00001000      /* XXX */
#define         PM2AL_RGB               0x00002000      /* BGR otherwise */
#define         PM2AL_RAMP              0x00004000      /* RGB otherwise */
#define         PM2AL_COLOUR_FORMAT_X   0x00010000
#define         PM2AL_COLOUR_CONV_SHIFT 0x00020000      /* scale otherwise */
#define         PM2AL_ALPHA_CONV_SHIFT  0x00040000      /* scale otherwise */
#define PM2_RE_TEX_COLOUR_MODE  0x00008680
#define PM2_RE_TEX_READ_MODE    0x00008670
#define PM2_RE_TEX_LUT_MODE     0x00008678
#define PM2_RE_TEX_ADDRESS_MODE 0x00008380
#define PM2_RE_YUV_MODE         0x00008f00
#define PM2_RE_DEPTH_MODE       0x000089a0
#define PM2_RE_DEPTH            0x000089a8
#define PM2_RE_STENCIL_MODE     0x00008988
#define PM2_RE_ROP_MODE         0x00008828
#define PM2_RE_PACKEDDATA_LIMIT 0x00008150
#define PM2_RE_DATA             0x00008aa0      /* pixel data */
#define PM2_RE_SOURCEDATA       0x00008aa8      /* raw data */

#define PM2_SYNC_TAG            0x188
#endif /* PM2_REG_H */

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