summaryrefslogtreecommitdiff
path: root/src/ffb_dac.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/ffb_dac.h')
-rw-r--r--src/ffb_dac.h365
1 files changed, 365 insertions, 0 deletions
diff --git a/src/ffb_dac.h b/src/ffb_dac.h
new file mode 100644
index 0000000..b6c4f5d
--- /dev/null
+++ b/src/ffb_dac.h
@@ -0,0 +1,365 @@
+/*
+ * Acceleration for the Creator and Creator3D framebuffer - DAC register layout.
+ *
+ * Copyright (C) 2000 David S. Miller (davem@redhat.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_dac.h,v 1.2 2001/04/05 17:42:33 dawes Exp $ */
+
+#ifndef _FFB_DAC_H
+#define _FFB_DAC_H
+
+/* FFB utilizes two different ramdac chips:
+ *
+ * 1) BT9068 "Pacifica1", used in all FFB1 and
+ * FFB2 boards.
+ *
+ * 2) BT498(a) "Pacifica2", used in FFB2+ and
+ * AFB boards.
+ *
+ * They are mostly equivalent, except in a few key areas:
+ *
+ * 1) WID register layout
+ * 2) Number of CLUT tables
+ * 3) Presence of Window Address Mask register
+ * 4) Method of GAMMA correction support
+ */
+
+/* NOTE: All addresses described in this file are DAC
+ * indirect addresses.
+ */
+
+/* DAC color values are in the following format. */
+#define FFBDAC_COLOR_BLUE 0x00ff0000
+#define FFBDAC_COLOR_BLUE_SHFT 16
+#define FFBDAC_COLOR_GREEN 0x0000ff00
+#define FFBDAC_COLOR_GREEN_SHFT 8
+#define FFBDAC_COLOR_RED 0x000000ff
+#define FFBDAC_COLOR_RED_SHFT 0
+
+/* Cursor DAC register addresses. */
+#define FFBDAC_CUR_BITMAP_P0 0x000 /* Plane 0 cursor bitmap */
+#define FFBDAC_CUR_BITMAP_P1 0x080 /* Plane 1 cursor bitmap */
+#define FFBDAC_CUR_CTRL 0x100 /* Cursor control */
+#define FFBDAC_CUR_COLOR0 0x101 /* Cursor Color 0 */
+#define FFBDAC_CUR_COLOR1 0x102 /* Cursor Color 1 (bg) */
+#define FFBDAC_CUR_COLOR2 0x103 /* Cursor Color 2 (fg) */
+#define FFBDAC_CUR_POS 0x104 /* Active cursor position */
+
+/* Cursor control register.
+ * WARNING: Be careful, reverse logic on these bits.
+ */
+#define FFBDAC_CUR_CTRL_P0 0x00000001 /* Plane0 display disable */
+#define FFBDAC_CUR_CTRL_P1 0x00000002 /* Plane1 display disable */
+
+/* Active cursor position register */
+#define FFBDAC_CUR_POS_Y_SIGN 0x80000000 /* Sign of Y position */
+#define FFBDAC_CUR_POS_Y 0x0fff0000 /* Y position */
+#define FFBDAC_CUR_POS_X_SIGN 0x00008000 /* Sign of X position */
+#define FFBDAC_CUR_POS_X 0x00000fff /* X position */
+
+/* Configuration and Palette DAC register addresses. */
+#define FFBDAC_CFG_PPLLCTRL 0x0000 /* Pixel PLL Control */
+#define FFBDAC_CFG_GPLLCTRL 0x0001 /* General Purpose PLL Control */
+#define FFBDAC_CFG_PFCTRL 0x1000 /* Pixel Format Control */
+#define FFBDAC_CFG_UCTRL 0x1001 /* User Control */
+#define FFBDAC_CFG_CLUP_BASE 0x2000 /* Color Lookup Palette */
+#define FFBDAC_CFG_CLUP(entry) (FFBDAC_CFG_CLUP_BASE + ((entry) * 0x100))
+#define FFBDAC_PAC2_SOVWLUT0 0x3100 /* Shadow Overlay Window Lookup 0*/
+#define FFBDAC_PAC2_SOVWLUT1 0x3101 /* Shadow Overlay Window Lookup 1*/
+#define FFBDAC_PAC2_SOVWLUT2 0x3102 /* Shadow Overlay Window Lookup 2*/
+#define FFBDAC_PAC2_SOVWLUT3 0x3103 /* Shadow Overlay Window Lookup 3*/
+#define FFBDAC_PAC2_AOVWLUT0 0x3210 /* Active Overlay Window Lookup 0*/
+#define FFBDAC_PAC2_AOVWLUT1 0x3211 /* Active Overlay Window Lookup 1*/
+#define FFBDAC_PAC2_AOVWLUT2 0x3212 /* Active Overlay Window Lookup 2*/
+#define FFBDAC_PAC2_AOVWLUT3 0x3213 /* Active Overlay Window Lookup 3*/
+#define FFBDAC_CFG_WTCTRL 0x3150 /* Window Transfer Control */
+#define FFBDAC_CFG_TMCTRL 0x3151 /* Transparent Mask Control */
+#define FFBDAC_CFG_TCOLORKEY 0x3152 /* Transparent Color Key */
+#define FFBDAC_CFG_WAMASK 0x3153 /* Window Address Mask (PAC2 only) */
+#define FFBDAC_PAC1_SPWLUT_BASE 0x3100 /* Shadow Primary Window Lookups */
+#define FFBDAC_PAC1_SPWLUT(entry) (FFBDAC_PAC1_SPWLUT_BASE + (entry))
+#define FFBDAC_PAC1_APWLUT_BASE 0x3120 /* Active Primary Window Lookups */
+#define FFBDAC_PAC1_APWLUT(entry) (FFBDAC_PAC1_APWLUT_BASE + (entry))
+#define FFBDAC_PAC2_SPWLUT_BASE 0x3200 /* Shadow Primary Window Lookups */
+#define FFBDAC_PAC2_SPWLUT(entry) (FFBDAC_PAC2_SPWLUT_BASE + (entry))
+#define FFBDAC_PAC2_APWLUT_BASE 0x3240 /* Active Primary Window Lookups */
+#define FFBDAC_PAC2_APWLUT(entry) (FFBDAC_PAC2_APWLUT_BASE + (entry))
+#define FFBDAC_CFG_SANAL 0x5000 /* Signature Analysis Control */
+#define FFBDAC_CFG_DACCTRL 0x5001 /* DAC Control */
+#define FFBDAC_CFG_TGEN 0x6000 /* Timing Generator Control */
+#define FFBDAC_CFG_VBNP 0x6001 /* Vertical Blank Negation Point */
+#define FFBDAC_CFG_VBAP 0x6002 /* Vertical Blank Assertion Point*/
+#define FFBDAC_CFG_VSNP 0x6003 /* Vertical Sync Negation Point */
+#define FFBDAC_CFG_VSAP 0x6004 /* Vertical Sync Assertion Point */
+#define FFBDAC_CFG_HSNP 0x6005 /* Horz Serration Negation Point */
+#define FFBDAC_CFG_HBNP 0x6006 /* Horz Blank Negation Point */
+#define FFBDAC_CFG_HBAP 0x6007 /* Horz Blank Assertion Point */
+#define FFBDAC_CFG_HSYNCNP 0x6008 /* Horz Sync Negation Point */
+#define FFBDAC_CFG_HSYNCAP 0x6009 /* Horz Sync Assertion Point */
+#define FFBDAC_CFG_HSCENNP 0x600A /* Horz SCEN Negation Point */
+#define FFBDAC_CFG_HSCENAP 0x600B /* Horz SCEN Assertion Point */
+#define FFBDAC_CFG_EPNP 0x600C /* Eql'zing Pulse Negation Point */
+#define FFBDAC_CFG_EINP 0x600D /* Eql'zing Intvl Negation Point */
+#define FFBDAC_CFG_EIAP 0x600E /* Eql'zing Intvl Assertion Point*/
+#define FFBDAC_CFG_TGVC 0x600F /* Timing Generator Vert Counter */
+#define FFBDAC_CFG_TGHC 0x6010 /* Timing Generator Horz Counter */
+#define FFBDAC_CFG_DID 0x8000 /* Device Identification */
+#define FFBDAC_CFG_MPDATA 0x8001 /* Monitor Port Data */
+#define FFBDAC_CFG_MPSENSE 0x8002 /* Monitor Port Sense */
+
+/* Pixel PLL Control Register */
+#define FFBDAC_CFG_PPLLCTRL_M 0x0000007f /* PLL VCO Multiplicand */
+#define FFBDAC_CFG_PPLLCTRL_D 0x00000780 /* PLL VCO Divisor */
+#define FFBDAC_CFG_PPLLCTRL_PFD 0x00001800 /* Post VCO Frequency Divider */
+#define FFBDAC_CFG_PPLLCTRL_EN 0x00004000 /* Enable PLL as pixel clock src */
+
+/* General Purpose PLL Control Register */
+#define FFBDAC_CFG_GPLLCTRL_M 0x0000007f /* PLL VCO Multiplicand */
+#define FFBDAC_CFG_GPLLCTRL_D 0x00000780 /* PLL VCO Divisor */
+#define FFBDAC_CFG_GPLLCTRL_PFD 0x00001800 /* Post VCO Frequency Divider */
+#define FFBDAC_CFG_GPLLCTRL_EN 0x00004000 /* Enable PLL as Gen. Purpose clk*/
+
+/* Pixel Format Control Register */
+#define FFBDAC_CFG_PFCTRL_2_1 0x00000000 /* 2:1 pixel interleave format */
+#define FFBDAC_CFG_PFCTRL_4_1 0x00000001 /* 4:1 pixel interleave format */
+#define FFBDAC_CFG_PFCTRL_42_1 0x00000002 /* 4/2:1 pixel interleave format */
+#define FFBDAC_CFG_PFCTRL_82_1 0x00000003 /* 8/2:1 pixel interleave format */
+
+/* User Control Register */
+#define FFBDAC_UCTRL_IPDISAB 0x00000001 /* Disable input pullup resistors*/
+#define FFBDAC_UCTRL_ABLANK 0x00000002 /* Asynchronous Blank */
+#define FFBDAC_UCTRL_DBENAB 0x00000004 /* Double-Buffer Enable */
+#define FFBDAC_UCTRL_OVENAB 0x00000008 /* Overlay Enable */
+#define FFBDAC_UCTRL_WMODE 0x00000030 /* Window Mode */
+#define FFBDAC_UCTRL_WM_COMB 0x00000000 /* Window Mode = Combined */
+#define FFBDAC_UCTRL_WM_S4 0x00000010 /* Window Mode = Seperate_4 */
+#define FFBDAC_UCTRL_WM_S8 0x00000020 /* Window Mode = Seperate_8 */
+#define FFBDAC_UCTRL_WM_RESV 0x00000030 /* Window Mode = reserved */
+#define FFBDAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */
+
+/* Overlay Window Lookup Registers (PAC2 only) */
+#define FFBDAC_CFG_OVWLUT_PSEL 0x0000000f /* Palette Section, Seperate_4 */
+#define FFBDAC_CFG_OVWLUT_PTBL 0x00000030 /* Palette Table */
+#define FFBDAC_CFG_OVWLUT_LKUP 0x00000100 /* 1 = Use palette, 0 = Bypass */
+#define FFBDAC_CFG_OVWLUT_OTYP 0x00000c00 /* Overlay Type */
+#define FFBDAC_CFG_OVWLUT_O_N 0x00000000 /* Overlay Type - None */
+#define FFBDAC_CFG_OVWLUT_O_T 0x00000400 /* Overlay Type - Transparent */
+#define FFBDAC_CFG_OVWLUT_O_O 0x00000800 /* Overlay Type - Opaque */
+#define FFBDAC_CFG_OVWLUT_O_R 0x00000c00 /* Overlay Type - Reserved */
+#define FFBDAC_CFG_OVWLUT_PCS 0x00003000 /* Psuedocolor Src */
+#define FFBDAC_CFG_OVWLUT_P_XO 0x00000000 /* Psuedocolor Src - XO[7:0] */
+#define FFBDAC_CFG_OVWLUT_P_R 0x00001000 /* Psuedocolor Src - R[7:0] */
+#define FFBDAC_CFG_OVWLUT_P_G 0x00002000 /* Psuedocolor Src - G[7:0] */
+#define FFBDAC_CFG_OVWLUT_P_B 0x00003000 /* Psuedocolor Src - B[7:0] */
+
+/* Window Transfer Control Register */
+#define FFBDAC_CFG_WTCTRL_DS 0x00000001 /* Device Status, 1 = Busy */
+#define FFBDAC_CFG_WTCTRL_TCMD 0x00000002 /* Transfer Command
+ * 1 = Transfer, 0 = No Action
+ */
+#define FFBDAC_CFG_WTCTRL_TE 0x00000004 /* Transfer Event
+ * 1 = Next Frame, 0 = Next Field
+ */
+#define FFBDAC_CFG_WTCTRL_DRD 0x00000008 /* Drawing Data
+ * 1 = Local Drawing Active
+ * 0 = Local Drawing Idle
+ */
+#define FFBDAC_CFG_WTCTRL_DRS 0x00000010 /* Drawing Status
+ * 1 = Network Drawing Active
+ * 0 = Network Drawing Idle
+ */
+
+/* Transparent Mask Control Register */
+#define FFBDAC_CFG_TMCTRL_OMSK 0x000000ff /* Overlay Mask */
+
+/* Transparent Color Key Register */
+#define FFBDAC_CFG_TCOLORKEY_K 0x000000ff /* Overlay Color Key */
+
+/* Window Address Mask Register (PAC2 only) */
+#define FFBDAC_CFG_WAMASK_PMSK 0x0000003f /* PWLUT select PMASK */
+#define FFBDAC_CFG_WAMASK_OMSK 0x00000300 /* OWLUT control OMASK */
+
+/* (non-Overlay) Window Lookup Table Registers, PAC1 format */
+#define FFBDAC_PAC1_WLUT_DB 0x00000020 /* 0 = Buffer A, 1 = Buffer B */
+#define FFBDAC_PAC1_WLUT_C 0x0000001c /* C: Color Model Selection */
+#define FFBDAC_PAC1_WLUT_C_8P 0x00000000 /* C: 8bpp Pseudocolor */
+#define FFBDAC_PAC1_WLUT_C_8LG 0x00000004 /* C: 8bpp Linear Grey */
+#define FFBDAC_PAC1_WLUT_C_8NG 0x00000008 /* C: 8bpp Non-Linear Grey */
+#define FFBDAC_PAC1_WLUT_C_24D 0x00000010 /* C: 24bpp Directcolor */
+#define FFBDAC_PAC1_WLUT_C_24LT 0x00000014 /* C: 24bpp Linear Truecolor */
+#define FFBDAC_PAC1_WLUT_C_24NT 0x00000018 /* C: 24bpp Non-Linear Truecolor */
+#define FFBDAC_PAC1_WLUT_PCS 0x00000003 /* Pseudocolor Src */
+#define FFBDAC_PAC1_WLUT_P_XO 0x00000000 /* Pseudocolor Src - XO[7:0] */
+#define FFBDAC_PAC1_WLUT_P_R 0x00000001 /* Pseudocolor Src - R[7:0] */
+#define FFBDAC_PAC1_WLUT_P_G 0x00000002 /* Pseudocolor Src - G[7:0] */
+#define FFBDAC_PAC1_WLUT_P_B 0x00000003 /* Pseudocolor Src - B[7:0] */
+
+/* (non-Overlay) Window Lookup Table Registers, PAC2 format */
+#define FFBDAC_PAC2_WLUT_PTBL 0x00000030 /* Palette Table Entry */
+#define FFBDAC_PAC2_WLUT_LKUP 0x00000100 /* 1 = Use palette, 0 = Bypass */
+#define FFBDAC_PAC2_WLUT_PCS 0x00003000 /* Pseudocolor Src */
+#define FFBDAC_PAC2_WLUT_P_XO 0x00000000 /* Pseudocolor Src - XO[7:0] */
+#define FFBDAC_PAC2_WLUT_P_R 0x00001000 /* Pseudocolor Src - R[7:0] */
+#define FFBDAC_PAC2_WLUT_P_G 0x00002000 /* Pseudocolor Src - G[7:0] */
+#define FFBDAC_PAC2_WLUT_P_B 0x00003000 /* Pseudocolor Src - B[7:0] */
+#define FFBDAC_PAC2_WLUT_DEPTH 0x00004000 /* 0 = Pseudocolor, 1 = Truecolor*/
+#define FFBDAC_PAC2_WLUT_DB 0x00008000 /* 0 = Buffer A, 1 = Buffer B */
+
+/* Signature Analysis Control Register */
+#define FFBDAC_CFG_SANAL_SRR 0x000000ff /* DAC Seed/Result for Red */
+#define FFBDAC_CFG_SANAL_SRG 0x0000ff00 /* DAC Seed/Result for Green */
+#define FFBDAC_CFG_SANAL_SRB 0x00ff0000 /* DAC Seed/Result for Blue */
+#define FFBDAC_CFG_SANAL_RQST 0x01000000 /* Signature Capture Request */
+#define FFBDAC_CFG_SANAL_BSY 0x02000000 /* Signature Analysis Busy */
+#define FFBDAC_CFG_SANAL_DSM 0x04000000 /* Data Strobe Mode
+ * 0 = Signature Analysis Mode
+ * 1 = Data Strobe Mode
+ */
+
+/* DAC Control Register */
+#define FFBDAC_CFG_DACCTRL_O2 0x00000003 /* Operand 2 Select
+ * 00 = Normal Operation
+ * 01 = Select 145mv Reference
+ * 10 = Select Blue DAC Output
+ * 11 = Reserved
+ */
+#define FFBDAC_CFG_DACCTRL_O1 0x0000000c /* Operand 1 Select
+ * 00 = Normal Operation
+ * 01 = Select Green DAC Output
+ * 10 = Select Red DAC Output
+ * 11 = Reserved
+ */
+#define FFBDAC_CFG_DACCTRL_CR 0x00000010 /* Comparator Result
+ * 0 = operand1 < operand2
+ * 1 = operand1 > operand2
+ */
+#define FFBDAC_CFG_DACCTRL_SGE 0x00000020 /* Sync-on-Green Enable */
+#define FFBDAC_CFG_DACCTRL_PE 0x00000040 /* Pedestal Enable */
+#define FFBDAC_CFG_DACCTRL_VPD 0x00000080 /* VSYNC* Pin Disable */
+#define FFBDAC_CFG_DACCTRL_SPB 0x00000100 /* Sync Polarity Bit
+ * 0 = VSYNC* and CSYNC* active low
+ * 1 = VSYNC* and CSYNC* active high
+ */
+
+/* Timing Generator Control Register */
+#define FFBDAC_CFG_TGEN_VIDE 0x00000001 /* Video Enable */
+#define FFBDAC_CFG_TGEN_TGE 0x00000002 /* Timing Generator Enable */
+#define FFBDAC_CFG_TGEN_HSD 0x00000004 /* HSYNC* Disabled */
+#define FFBDAC_CFG_TGEN_VSD 0x00000008 /* VSYNC* Disabled */
+#define FFBDAC_CFG_TGEN_EQD 0x00000010 /* Equalization Disabled */
+#define FFBDAC_CFG_TGEN_MM 0x00000020 /* 0 = Slave, 1 = Master */
+#define FFBDAC_CFG_TGEN_IM 0x00000040 /* 1 = Interlaced Mode */
+
+/* Device Identification Register, should be 0xA236E1AD for FFB bt497/bt498 */
+#define FFBDAC_CFG_DID_ONE 0x00000001 /* Always set */
+#define FFBDAC_CFG_DID_MANUF 0x00000ffe /* Manufacturer ID */
+#define FFBDAC_CFG_DID_PNUM 0x0ffff000 /* Device Part Number */
+#define FFBDAC_CFG_DID_REV 0xf0000000 /* Device Revision */
+
+/* Monitor Port Data Register */
+#define FFBDAC_CFG_MPDATA_SCL 0x00000001 /* SCL Data */
+#define FFBDAC_CFG_MPDATA_SDA 0x00000002 /* SDA Data */
+
+/* Monitor Port Sense Register */
+#define FFBDAC_CFG_MPSENSE_SCL 0x00000001 /* SCL Sense */
+#define FFBDAC_CFG_MPSENSE_SDA 0x00000002 /* SDA Sense */
+
+/* DAC register access shorthands. */
+#define DACCUR_READ(DAC, ADDR) ((DAC)->cur = (ADDR), (DAC)->curdata)
+#define DACCUR_WRITE(DAC, ADDR, VAL) ((DAC)->cur = (ADDR), (DAC)->curdata = (VAL))
+#define DACCFG_READ(DAC, ADDR) ((DAC)->cfg = (ADDR), (DAC)->cfgdata)
+#define DACCFG_WRITE(DAC, ADDR, VAL) ((DAC)->cfg = (ADDR), (DAC)->cfgdata = (VAL))
+
+typedef struct ffb_dac_hwstate {
+ unsigned int ppllctrl;
+ unsigned int gpllctrl;
+ unsigned int pfctrl;
+ unsigned int uctrl;
+ unsigned int clut[256 * 4]; /* One 256 entry clut on PAC1, 4 on PAC2 */
+ unsigned int ovluts[4]; /* Overlay WLUTS, PAC2 only */
+ unsigned int wtctrl;
+ unsigned int tmctrl;
+ unsigned int tcolorkey;
+ unsigned int wamask;
+ unsigned int pwluts[64];
+ unsigned int dacctrl;
+ unsigned int tgen;
+ unsigned int vbnp;
+ unsigned int vbap;
+ unsigned int vsnp;
+ unsigned int vsap;
+ unsigned int hsnp;
+ unsigned int hbnp;
+ unsigned int hbap;
+ unsigned int hsyncnp;
+ unsigned int hsyncap;
+ unsigned int hscennp;
+ unsigned int hscenap;
+ unsigned int epnp;
+ unsigned int einp;
+ unsigned int eiap;
+} ffb_dac_hwstate_t;
+
+typedef struct {
+ Bool InUse;
+
+ /* The following fields are undefined unless InUse is TRUE. */
+ int refcount;
+ Bool canshare;
+ unsigned int wlut_regval;
+ int buffer; /* 0 = Buffer A, 1 = Buffer B */
+ int depth; /* 8 or 32 bpp */
+ int greyscale; /* 1 = greyscale, 0 = color */
+ int linear; /* 1 = linear, 0 = non-linear */
+ int direct; /* 1 = 24bpp directcolor */
+ int channel; /* 0 = X, 1 = R, 2 = G, 3 = B */
+ int palette; /* Only PAC2 has multiple CLUTs */
+} ffb_wid_info_t;
+
+#define FFB_MAX_PWIDS 64
+typedef struct {
+ int num_wids;
+ int wid_shift; /* To get X channel value */
+ ffb_wid_info_t wid_pool[FFB_MAX_PWIDS];
+} ffb_wid_pool_t;
+
+typedef struct ffb_dac_info {
+ unsigned int flags;
+#define FFB_DAC_PAC1 0x00000001 /* Pacifica1 DAC, BT9068 */
+#define FFB_DAC_PAC2 0x00000002 /* Pacifica2 DAC, BT498 */
+#define FFB_DAC_ICURCTL 0x00000004 /* Inverted CUR_CTRL bits */
+
+ unsigned int kernel_wid;
+
+ /* These registers need to be modified when changing DAC
+ * timing state, so at init time we capture their values.
+ */
+ unsigned int ffbcfg0;
+ unsigned int ffbcfg2;
+ unsigned int ffb_passin_ctrl; /* FFB2+/AFB only */
+
+ ffb_dac_hwstate_t kern_dac_state;
+ ffb_dac_hwstate_t x_dac_state;
+
+ ffb_wid_pool_t wid_table;
+} ffb_dac_info_t;
+
+#endif /* _FFB_DAC_H */