3 +l4( (  fB- Ye_I|+,E/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/drivers/video/sstfb.h -- voodoo graphics frame buffer * * Copyright (c) 2000,2001 Ghozlane Toumi * * Created 28 Aug 2001 by Ghozlane Toumi */ #ifndef _SSTFB_H_ #define _SSTFB_H_ /* * * Debug Stuff * */ #ifdef SST_DEBUG # define dprintk(X...) printk("sstfb: " X) # define SST_DEBUG_REG 1 # define SST_DEBUG_FUNC 1 # define SST_DEBUG_VAR 1 #else # define dprintk(X...) no_printk(X) # define SST_DEBUG_REG 0 # define SST_DEBUG_FUNC 0 # define SST_DEBUG_VAR 0 #endif #if (SST_DEBUG_REG > 0) # define r_dprintk(X...) dprintk(X) #else # define r_dprintk(X...) #endif #if (SST_DEBUG_REG > 1) # define r_ddprintk(X...) dprintk(" " X) #else # define r_ddprintk(X...) #endif #if (SST_DEBUG_FUNC > 0) # define f_dprintk(X...) dprintk(X) #else # define f_dprintk(X...) #endif #if (SST_DEBUG_FUNC > 1) # define f_ddprintk(X...) dprintk(" " X) #else # define f_ddprintk(X...) no_printk(X) #endif #if (SST_DEBUG_FUNC > 2) # define f_dddprintk(X...) dprintk(" " X) #else # define f_dddprintk(X...) #endif #if (SST_DEBUG_VAR > 0) # define v_dprintk(X...) dprintk(X) # define print_var(V, X...) \ { \ dprintk(X); \ printk(" :\n"); \ sst_dbg_print_var(V); \ } #else # define v_dprintk(X...) # define print_var(X,Y...) #endif #define POW2(x) (1ul<<(x)) /* * * Const * */ /* pci stuff */ #define PCI_INIT_ENABLE 0x40 # define PCI_EN_INIT_WR BIT(0) # define PCI_EN_FIFO_WR BIT(1) # define PCI_REMAP_DAC BIT(2) #define PCI_VCLK_ENABLE 0xc0 /* enable video */ #define PCI_VCLK_DISABLE 0xe0 /* register offsets from memBaseAddr */ #define STATUS 0x0000 # define STATUS_FBI_BUSY BIT(7) #define FBZMODE 0x0110 # define EN_CLIPPING BIT(0) /* enable clipping */ # define EN_RGB_WRITE BIT(9) /* enable writes to rgb area */ # define EN_ALPHA_WRITE BIT(10) # define ENGINE_INVERT_Y BIT(17) /* invert Y origin (pipe) */ #define LFBMODE 0x0114 # define LFB_565 0 /* bits 3:0 .16 bits RGB */ # define LFB_888 4 /* 24 bits RGB */ # define LFB_8888 5 /* 32 bits ARGB */ # define WR_BUFF_FRONT 0 /* write buf select (front) */ # define WR_BUFF_BACK (1 << 4) /* back */ # define RD_BUFF_FRONT 0 /* read buff select (front) */ # define RD_BUFF_BACK (1 << 6) /* back */ # define EN_PXL_PIPELINE BIT(8) /* pixel pipeline (clip..)*/ # define LFB_WORD_SWIZZLE_WR BIT(11) /* enable write-wordswap (big-endian) */ # define LFB_BYTE_SWIZZLE_WR BIT(12) /* enable write-byteswap (big-endian) */ # define LFB_INVERT_Y BIT(13) /* invert Y origin (LFB) */ # define LFB_WORD_SWIZZLE_RD BIT(15) /* enable read-wordswap (big-endian) */ # define LFB_BYTE_SWIZZLE_RD BIT(16) /* enable read-byteswap (big-endian) */ #define CLIP_LEFT_RIGHT 0x0118 #define CLIP_LOWY_HIGHY 0x011c #define NOPCMD 0x0120 #define FASTFILLCMD 0x0124 #define SWAPBUFFCMD 0x0128 #define FBIINIT4 0x0200 /* misc controls */ # define FAST_PCI_READS 0 /* 1 waitstate */ # define SLOW_PCI_READS BIT(0) /* 2 ws */ # define LFB_READ_AHEAD BIT(1) #define BACKPORCH 0x0208 #define VIDEODIMENSIONS 0x020c #define FBIINIT0 0x0210 /* misc+fifo controls */ # define DIS_VGA_PASSTHROUGH BIT(0) # define FBI_RESET BIT(1) # define FIFO_RESET BIT(2) #define FBIINIT1 0x0214 /* PCI + video controls */ # define VIDEO_MASK 0x8080010f /* masks video related bits V1+V2*/ # define FAST_PCI_WRITES 0 /* 0 ws */ # define SLOW_PCI_WRITES BIT(1) /* 1 ws */ # define EN_LFB_READ BIT(3) # define TILES_IN_X_SHIFT 4 # define VIDEO_RESET BIT(8) # define EN_BLANKING BIT(12) # define EN_DATA_OE BIT(13) # define EN_BLANK_OE BIT(14) # define EN_HVSYNC_OE BIT(15) # define EN_DCLK_OE BIT(16) # define SEL_INPUT_VCLK_2X 0 /* bit 17 */ # define SEL_INPUT_VCLK_SLAVE BIT(17) # define SEL_SOURCE_VCLK_SLAVE 0 /* bits 21:20 */ # define SEL_SOURCE_VCLK_2X_DIV2 (0x01 << 20) # define SEL_SOURCE_VCLK_2X_SEL (0x