sstfb.h
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上传日期:2013-02-24
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- /*
- * linux/drivers/video/sstfb.h -- voodoo graphics frame buffer
- *
- * Copyright (c) 2000,2001 Ghozlane Toumi <gtoumi@messel.emse.fr>
- *
- * Created 28 Aug 2001 by Ghozlane Toumi
- *
- * $Id: sstfb.h,v 1.1.4.1 2001/08/29 01:30:38 ghoz Exp $
- */
- #ifndef _SSTFB_H_
- #define _SSTFB_H_
-
- /*
- *
- * Debug Stuff
- *
- */
- #ifdef SST_DEBUG
- # define dprintk(X...) printk(KERN_DEBUG "sstfb: " X)
- #else
- # define dprintk(X...)
- # undef SST_DEBUG_REG
- # undef SST_DEBUG_FUNC
- # undef SST_DEBUG_VAR
- # undef SST_DEBUG_IOCTL
- #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...)
- #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 eprintk(X...) printk(KERN_ERR "sstfb: " X)
- #define iprintk(X...) printk(KERN_INFO "sstfb: " X)
- #define wprintk(X...) printk(KERN_WARNING "sstfb: " X)
- #define BIT(x) (1ul << (x))
- #define PS2KHZ(a) (1000000000UL/(a)) /* picoseconds to KHz */
- #define KHZ2PS(a) (1000000000UL/(a))
- #ifndef ABS
- # define ABS(x) (((x)<0)?-(x):(x))
- #endif
- //void Dump_regs(void);
- /*
- *
- * 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_INVERT_Y BIT(13) /* invert Y origin (LFB) */
- #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 EN_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 (0x02 << 20)
- # define EN_24BPP BIT(22)
- # define TILES_IN_X_MSB_SHIFT 24 /* v2 */
- # define VCLK_2X_SEL_DEL_SHIFT 27 /* vclk out delay 0,4,6,8ns */
- # define VCLK_DEL_SHIFT 29 /* vclk in delay */
- #define FBIINIT2 0x0218 /* Dram controls */
- # define EN_FAST_RAS_READ BIT(5)
- # define EN_DRAM_OE BIT(6)
- # define EN_FAST_RD_AHEAD_WR BIT(7)
- # define VIDEO_OFFSET_SHIFT 11 /* unit: #rows tile 64x16/2 */
- # define SWAP_DACVSYNC 0
- # define SWAP_DACDATA0 (1 << 9)
- # define SWAP_FIFO_STALL (2 << 9)
- # define EN_RD_AHEAD_FIFO BIT(21)
- # define EN_DRAM_REFRESH BIT(22)
- # define DRAM_REFRESH_16 (0x30 << 23) /* dram 16 ms */
- #define DAC_READ FBIINIT2 /* in remap mode */
- #define FBIINIT3 0x021c /* fbi controls */
- # define DISABLE_TEXTURE BIT(6)
- # define Y_SWAP_ORIGIN_SHIFT 22 /* Y swap substraction value */
- #define HSYNC 0x0220
- #define VSYNC 0x0224
- #define DAC_DATA 0x022c
- # define DAC_READ_CMD BIT(11) /* set read dacreg mode */
- #define FBIINIT5 0x0244 /* v2 specific */
- #define FBIINIT6 0x0248 /* v2 specific */
- #define FBIINIT7 0x024c /* v2 specific */
- # define TILES_IN_X_LSB_SHIFT 30 /* v2 */
- /* Dac Registers */
- #define DACREG_WMA 0x0 /* pixel write mode address */
- #define DACREG_LUT 0x01 /* color value */
- #define DACREG_RMR 0x02 /* pixel mask */
- #define DACREG_RMA 0x03 /* pixel read mode address */
- /*Dac registers in indexed mode (TI, ATT dacs) */
- #define DACREG_ADDR_I DACREG_WMA
- #define DACREG_DATA_I DACREG_RMR
- #define DACREG_RMR_I 0x00
- #define DACREG_CR0_I 0x01
- # define DACREG_CR0_EN_INDEXED BIT(0) /* enable indexec mode */
- # define DACREG_CR0_8BIT BIT(1) /* set dac to 8 bits/read */
- # define DACREG_CR0_PWDOWN BIT(3) /* powerdown dac */
- # define DACREG_CR0_16BPP 0x30 /* mode 3 */
- # define DACREG_CR0_24BPP 0x50 /* mode 5 */
- #define DACREG_CR1_I 0x05
- #define DACREG_CC_I 0x06
- # define DACREG_CC_CLKA BIT(7) /* clk A controled by regs */
- # define DACREG_CC_CLKA_C (2<<4) /* clk A uses reg C */
- # define DACREG_CC_CLKB BIT(3) /* clk B controled by regs */
- # define DACREG_CC_CLKB_D 3 /* clkB uses reg D */
- #define DACREG_AC0_I 0x48 /* clock A reg C */
- #define DACREG_AC1_I 0x49
- #define DACREG_BD0_I 0x6c /* clock B reg D */
- #define DACREG_BD1_I 0x6d
- /* identification constants */
- #define DACREG_MIR_TI 0x97
- #define DACREG_DIR_TI 0x09
- #define DACREG_MIR_ATT 0x84
- #define DACREG_DIR_ATT 0x09
- /* ics dac specific registers*/
- #define DACREG_ICS_PLLWMA 0x04 /* PLL write mode address */
- #define DACREG_ICS_PLLDATA 0x05 /* PLL data /parameter */
- #define DACREG_ICS_CMD 0x06 /* command */
- # define DACREG_ICS_CMD_16BPP 0x50 /* ics color mode 6 (16bpp bypass)*/
- # define DACREG_ICS_CMD_24BPP 0x70 /* ics color mode 7 (24bpp bypass)*/
- # define DACREG_ICS_CMD_PWDOWN BIT(0) /* powerdown dac */
- #define DACREG_ICS_PLLRMA 0x07 /* PLL read mode address */
- /*
- * pll parameter register:
- * indexed : write addr to PLLWMA, write data in PLLDATA.
- * for reads use PLLRMA .
- * 8 freq registers (0-7) for video clock (CLK0)
- * 2 freq registers (a-b) for graphic clock (CLK1)
- */
- #define DACREG_ICS_PLL_CLK0_1_INI 0x55 /* initial pll M value for freq f1 */
- #define DACREG_ICS_PLL_CLK0_7_INI 0x71 /* f7 */
- #define DACREG_ICS_PLL_CLK1_B_INI 0x79 /* fb */
- #define DACREG_ICS_PLL_CTRL 0x0e
- # define DACREG_ICS_CLK0 BIT(5)
- # define DACREG_ICS_CLK0_0 0
- # define DACREG_ICS_CLK1_A 0 /* bit4 */
- /* sst default init registers */
- #define FBIINIT0_DEFAULT EN_VGA_PASSTHROUGH
- #define FBIINIT1_DEFAULT
- (
- FAST_PCI_WRITES
- /* SLOW_PCI_WRITES*/
- | VIDEO_RESET
- | 10 << TILES_IN_X_SHIFT
- | SEL_SOURCE_VCLK_2X_SEL
- | EN_LFB_READ
- )
- #define FBIINIT2_DEFAULT
- (
- SWAP_DACVSYNC
- | EN_DRAM_OE
- | DRAM_REFRESH_16
- | EN_DRAM_REFRESH
- | EN_FAST_RAS_READ
- | EN_RD_AHEAD_FIFO
- | EN_FAST_RD_AHEAD_WR
- )
- #define FBIINIT3_DEFAULT
- ( DISABLE_TEXTURE )
- #define FBIINIT4_DEFAULT
- (
- FAST_PCI_READS
- /* SLOW_PCI_READS*/
- | LFB_READ_AHEAD
- )
- /* Careful with this one : writing back the data just read will trash the DAC
- reading some fields give logic value on pins, but setting this field will
- set the source signal driving the pin. conclusion : just use the default
- as a base before writing back .
- */
- #define FBIINIT6_DEFAULT (0x0)
- /*
- *
- * Misc Const
- *
- */
- /* used to know witch clock to set */
- #define VID_CLOCK 0
- #define GFX_CLOCK 1
- /* freq max */
- #define DAC_FREF 14318 /* DAC reference freq (Khz) */
- #define VCO_MAX 260000
- /*
- *
- * Declarations
- *
- */
- struct pll_timing {
- u8 m;
- u8 n;
- u8 p;
- };
- struct dac_switch {
- char * name;
- int (*detect) (void);
- int (*set_pll) (const struct pll_timing *t, const int clock);
- void (*set_vidmod) (const int bpp);
- };
- struct sst_spec {
- char * name;
- int default_gfx_clock; /* 50000 for voodoo1, 75000 for voodoo2 */
- int max_gfxclk; /* ! in Mhz ie 60 for voodoo 1 */
- };
- struct sstfb_par {
- unsigned int bpp;
- unsigned int xDim; /* xres */
- unsigned int hSyncOn; /* hsync_len */
- unsigned int hSyncOff; /* left_margin + xres + right_margin */
- unsigned int hBackPorch;/* left_margin */
- unsigned int yDim;
- unsigned int vSyncOn;
- unsigned int vSyncOff;
- unsigned int vBackPorch;
- unsigned int freq; /* freq in picoseconds */
- unsigned int tiles_in_X; /* num of tiles in X res */
- };
- struct sstfb_info {
- struct fb_info info;
- struct sstfb_par current_par;
- struct pci_dev * dev;
- struct {
- unsigned long base; /* physical */
- unsigned long vbase; /* virtual (CPU view) */
- unsigned long len;
- } video; /* fb memory info */
- struct {
- unsigned long base;
- unsigned long vbase;
- } mmio; /* registers memory info */
- struct dac_switch * dac_sw; /* dac specific functions */
- struct sst_spec * spec;
- int is_voodoo2;
- u8 revision;
- /* status */
- int configured;
- /* int indexed_mode;
- int vgapass;
- int clipping; */
- int gfx_clock;
- };
- #endif /* _SSTFB_H_ */