diff options
Diffstat (limited to 'include/video/gbe.h')
| -rw-r--r-- | include/video/gbe.h | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/include/video/gbe.h b/include/video/gbe.h new file mode 100644 index 000000000..8b4d335d1 --- /dev/null +++ b/include/video/gbe.h @@ -0,0 +1,315 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * include/video/gbe.h -- SGI GBE (Graphics Back End) + * + * Copyright (C) 1999 Silicon Graphics, Inc. (Jeffrey Newquist) + */ + +#ifndef __GBE_H__ +#define __GBE_H__ + +struct sgi_gbe { + volatile uint32_t ctrlstat; /* general control */ + volatile uint32_t dotclock; /* dot clock PLL control */ + volatile uint32_t i2c; /* crt I2C control */ + volatile uint32_t sysclk; /* system clock PLL control */ + volatile uint32_t i2cfp; /* flat panel I2C control */ + volatile uint32_t id; /* device id/chip revision */ + volatile uint32_t config; /* power on configuration [1] */ + volatile uint32_t bist; /* internal bist status [1] */ + uint32_t _pad0[0x010000/4 - 8]; + volatile uint32_t vt_xy; /* current dot coords */ + volatile uint32_t vt_xymax; /* maximum dot coords */ + volatile uint32_t vt_vsync; /* vsync on/off */ + volatile uint32_t vt_hsync; /* hsync on/off */ + volatile uint32_t vt_vblank; /* vblank on/off */ + volatile uint32_t vt_hblank; /* hblank on/off */ + volatile uint32_t vt_flags; /* polarity of vt signals */ + volatile uint32_t vt_f2rf_lock; /* f2rf & framelck y coord */ + volatile uint32_t vt_intr01; /* intr 0,1 y coords */ + volatile uint32_t vt_intr23; /* intr 2,3 y coords */ + volatile uint32_t fp_hdrv; /* flat panel hdrv on/off */ + volatile uint32_t fp_vdrv; /* flat panel vdrv on/off */ + volatile uint32_t fp_de; /* flat panel de on/off */ + volatile uint32_t vt_hpixen; /* intrnl horiz pixel on/off */ + volatile uint32_t vt_vpixen; /* intrnl vert pixel on/off */ + volatile uint32_t vt_hcmap; /* cmap write (horiz) */ + volatile uint32_t vt_vcmap; /* cmap write (vert) */ + volatile uint32_t did_start_xy; /* eol/f did/xy reset val */ + volatile uint32_t crs_start_xy; /* eol/f crs/xy reset val */ + volatile uint32_t vc_start_xy; /* eol/f vc/xy reset val */ + uint32_t _pad1[0xffb0/4]; + volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */ + volatile uint32_t ovr_inhwctrl; /* overlay plane ctrl 1 */ + volatile uint32_t ovr_control; /* overlay plane ctrl 1 */ + uint32_t _pad2[0xfff4/4]; + volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */ + volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */ + volatile uint32_t frm_inhwctrl; /* normal plane ctrl 2 */ + volatile uint32_t frm_control; /* normal plane ctrl 3 */ + uint32_t _pad3[0xfff0/4]; + volatile uint32_t did_inhwctrl; /* DID control */ + volatile uint32_t did_control; /* DID shadow */ + uint32_t _pad4[0x7ff8/4]; + volatile uint32_t mode_regs[32];/* WID table */ + uint32_t _pad5[0x7f80/4]; + volatile uint32_t cmap[6144]; /* color map */ + uint32_t _pad6[0x2000/4]; + volatile uint32_t cm_fifo; /* color map fifo status */ + uint32_t _pad7[0x7ffc/4]; + volatile uint32_t gmap[256]; /* gamma map */ + uint32_t _pad8[0x7c00/4]; + volatile uint32_t gmap10[1024]; /* gamma map */ + uint32_t _pad9[0x7000/4]; + volatile uint32_t crs_pos; /* cusror control 0 */ + volatile uint32_t crs_ctl; /* cusror control 1 */ + volatile uint32_t crs_cmap[3]; /* crs cmap */ + uint32_t _pad10[0x7fec/4]; + volatile uint32_t crs_glyph[64];/* crs glyph */ + uint32_t _pad11[0x7f00/4]; + volatile uint32_t vc_0; /* video capture crtl 0 */ + volatile uint32_t vc_1; /* video capture crtl 1 */ + volatile uint32_t vc_2; /* video capture crtl 2 */ + volatile uint32_t vc_3; /* video capture crtl 3 */ + volatile uint32_t vc_4; /* video capture crtl 4 */ + volatile uint32_t vc_5; /* video capture crtl 5 */ + volatile uint32_t vc_6; /* video capture crtl 6 */ + volatile uint32_t vc_7; /* video capture crtl 7 */ + volatile uint32_t vc_8; /* video capture crtl 8 */ +}; + +#define MASK(msb, lsb) \ + ( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) ) +#define GET(v, msb, lsb) \ + ( ((u32)(v) & MASK(msb,lsb)) >> (lsb) ) +#define SET(v, f, msb, lsb) \ + ( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) ) + +#define GET_GBE_FIELD(reg, field, v) \ + GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB) +#define SET_GBE_FIELD(reg, field, v, f) \ + SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB) + +/* + * Bit mask information + */ +#define GBE_CTRLSTAT_CHIPID_MSB 3 +#define GBE_CTRLSTAT_CHIPID_LSB 0 +#define GBE_CTRLSTAT_SENSE_N_MSB 4 +#define GBE_CTRLSTAT_SENSE_N_LSB 4 +#define GBE_CTRLSTAT_PCLKSEL_MSB 29 +#define GBE_CTRLSTAT_PCLKSEL_LSB 28 + +#define GBE_DOTCLK_M_MSB 7 +#define GBE_DOTCLK_M_LSB 0 +#define GBE_DOTCLK_N_MSB 13 +#define GBE_DOTCLK_N_LSB 8 +#define GBE_DOTCLK_P_MSB 15 +#define GBE_DOTCLK_P_LSB 14 +#define GBE_DOTCLK_RUN_MSB 20 +#define GBE_DOTCLK_RUN_LSB 20 + +#define GBE_VT_XY_Y_MSB 23 +#define GBE_VT_XY_Y_LSB 12 +#define GBE_VT_XY_X_MSB 11 +#define GBE_VT_XY_X_LSB 0 +#define GBE_VT_XY_FREEZE_MSB 31 +#define GBE_VT_XY_FREEZE_LSB 31 + +#define GBE_FP_VDRV_ON_MSB 23 +#define GBE_FP_VDRV_ON_LSB 12 +#define GBE_FP_VDRV_OFF_MSB 11 +#define GBE_FP_VDRV_OFF_LSB 0 + +#define GBE_FP_HDRV_ON_MSB 23 +#define GBE_FP_HDRV_ON_LSB 12 +#define GBE_FP_HDRV_OFF_MSB 11 +#define GBE_FP_HDRV_OFF_LSB 0 + +#define GBE_FP_DE_ON_MSB 23 +#define GBE_FP_DE_ON_LSB 12 +#define GBE_FP_DE_OFF_MSB 11 +#define GBE_FP_DE_OFF_LSB 0 + +#define GBE_VT_VSYNC_VSYNC_ON_MSB 23 +#define GBE_VT_VSYNC_VSYNC_ON_LSB 12 +#define GBE_VT_VSYNC_VSYNC_OFF_MSB 11 +#define GBE_VT_VSYNC_VSYNC_OFF_LSB 0 + +#define GBE_VT_HSYNC_HSYNC_ON_MSB 23 +#define GBE_VT_HSYNC_HSYNC_ON_LSB 12 +#define GBE_VT_HSYNC_HSYNC_OFF_MSB 11 +#define GBE_VT_HSYNC_HSYNC_OFF_LSB 0 + +#define GBE_VT_VBLANK_VBLANK_ON_MSB 23 +#define GBE_VT_VBLANK_VBLANK_ON_LSB 12 +#define GBE_VT_VBLANK_VBLANK_OFF_MSB 11 +#define GBE_VT_VBLANK_VBLANK_OFF_LSB 0 + +#define GBE_VT_HBLANK_HBLANK_ON_MSB 23 +#define GBE_VT_HBLANK_HBLANK_ON_LSB 12 +#define GBE_VT_HBLANK_HBLANK_OFF_MSB 11 +#define GBE_VT_HBLANK_HBLANK_OFF_LSB 0 + +#define GBE_VT_FLAGS_F2RF_HIGH_MSB 6 +#define GBE_VT_FLAGS_F2RF_HIGH_LSB 6 +#define GBE_VT_FLAGS_SYNC_LOW_MSB 5 +#define GBE_VT_FLAGS_SYNC_LOW_LSB 5 +#define GBE_VT_FLAGS_SYNC_HIGH_MSB 4 +#define GBE_VT_FLAGS_SYNC_HIGH_LSB 4 +#define GBE_VT_FLAGS_HDRV_LOW_MSB 3 +#define GBE_VT_FLAGS_HDRV_LOW_LSB 3 +#define GBE_VT_FLAGS_HDRV_INVERT_MSB 2 +#define GBE_VT_FLAGS_HDRV_INVERT_LSB 2 +#define GBE_VT_FLAGS_VDRV_LOW_MSB 1 +#define GBE_VT_FLAGS_VDRV_LOW_LSB 1 +#define GBE_VT_FLAGS_VDRV_INVERT_MSB 0 +#define GBE_VT_FLAGS_VDRV_INVERT_LSB 0 + +#define GBE_VT_VCMAP_VCMAP_ON_MSB 23 +#define GBE_VT_VCMAP_VCMAP_ON_LSB 12 +#define GBE_VT_VCMAP_VCMAP_OFF_MSB 11 +#define GBE_VT_VCMAP_VCMAP_OFF_LSB 0 + +#define GBE_VT_HCMAP_HCMAP_ON_MSB 23 +#define GBE_VT_HCMAP_HCMAP_ON_LSB 12 +#define GBE_VT_HCMAP_HCMAP_OFF_MSB 11 +#define GBE_VT_HCMAP_HCMAP_OFF_LSB 0 + +#define GBE_VT_XYMAX_MAXX_MSB 11 +#define GBE_VT_XYMAX_MAXX_LSB 0 +#define GBE_VT_XYMAX_MAXY_MSB 23 +#define GBE_VT_XYMAX_MAXY_LSB 12 + +#define GBE_VT_HPIXEN_HPIXEN_ON_MSB 23 +#define GBE_VT_HPIXEN_HPIXEN_ON_LSB 12 +#define GBE_VT_HPIXEN_HPIXEN_OFF_MSB 11 +#define GBE_VT_HPIXEN_HPIXEN_OFF_LSB 0 + +#define GBE_VT_VPIXEN_VPIXEN_ON_MSB 23 +#define GBE_VT_VPIXEN_VPIXEN_ON_LSB 12 +#define GBE_VT_VPIXEN_VPIXEN_OFF_MSB 11 +#define GBE_VT_VPIXEN_VPIXEN_OFF_LSB 0 + +#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_MSB 0 +#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_LSB 0 + +#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_MSB 0 +#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_LSB 0 + +#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_MSB 13 +#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_LSB 13 + +#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_MSB 0 +#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_LSB 0 +#define GBE_FRM_CONTROL_FRM_TILE_PTR_MSB 31 +#define GBE_FRM_CONTROL_FRM_TILE_PTR_LSB 9 +#define GBE_FRM_CONTROL_FRM_LINEAR_MSB 1 +#define GBE_FRM_CONTROL_FRM_LINEAR_LSB 1 + +#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_MSB 0 +#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_LSB 0 + +#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_MSB 12 +#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_LSB 5 +#define GBE_FRM_SIZE_TILE_FRM_RHS_MSB 4 +#define GBE_FRM_SIZE_TILE_FRM_RHS_LSB 0 +#define GBE_FRM_SIZE_TILE_FRM_DEPTH_MSB 14 +#define GBE_FRM_SIZE_TILE_FRM_DEPTH_LSB 13 +#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_MSB 15 +#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_LSB 15 + +#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_MSB 31 +#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_LSB 16 + +#define GBE_DID_CONTROL_DID_DMA_ENABLE_MSB 0 +#define GBE_DID_CONTROL_DID_DMA_ENABLE_LSB 0 +#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_MSB 0 +#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_LSB 0 + +#define GBE_DID_START_XY_DID_STARTY_MSB 23 +#define GBE_DID_START_XY_DID_STARTY_LSB 12 +#define GBE_DID_START_XY_DID_STARTX_MSB 11 +#define GBE_DID_START_XY_DID_STARTX_LSB 0 + +#define GBE_CRS_START_XY_CRS_STARTY_MSB 23 +#define GBE_CRS_START_XY_CRS_STARTY_LSB 12 +#define GBE_CRS_START_XY_CRS_STARTX_MSB 11 +#define GBE_CRS_START_XY_CRS_STARTX_LSB 0 + +#define GBE_WID_AUX_MSB 12 +#define GBE_WID_AUX_LSB 11 +#define GBE_WID_GAMMA_MSB 10 +#define GBE_WID_GAMMA_LSB 10 +#define GBE_WID_CM_MSB 9 +#define GBE_WID_CM_LSB 5 +#define GBE_WID_TYP_MSB 4 +#define GBE_WID_TYP_LSB 2 +#define GBE_WID_BUF_MSB 1 +#define GBE_WID_BUF_LSB 0 + +#define GBE_VC_START_XY_VC_STARTY_MSB 23 +#define GBE_VC_START_XY_VC_STARTY_LSB 12 +#define GBE_VC_START_XY_VC_STARTX_MSB 11 +#define GBE_VC_START_XY_VC_STARTX_LSB 0 + +/* Constants */ + +#define GBE_FRM_DEPTH_8 0 +#define GBE_FRM_DEPTH_16 1 +#define GBE_FRM_DEPTH_32 2 + +#define GBE_CMODE_I8 0 +#define GBE_CMODE_I12 1 +#define GBE_CMODE_RG3B2 2 +#define GBE_CMODE_RGB4 3 +#define GBE_CMODE_ARGB5 4 +#define GBE_CMODE_RGB8 5 +#define GBE_CMODE_RGBA5 6 +#define GBE_CMODE_RGB10 7 + +#define GBE_BMODE_BOTH 3 + +#define GBE_CRS_MAGIC 54 +#define GBE_PIXEN_MAGIC_ON 19 +#define GBE_PIXEN_MAGIC_OFF 2 + +#define GBE_TLB_SIZE 128 + +/* [1] - only GBE revision 2 and later */ + +/* + * Video Timing Data Structure + */ + +struct gbe_timing_info { + int flags; + short width; /* Monitor resolution */ + short height; + int fields_sec; /* fields/sec (Hz -3 dec. places */ + int cfreq; /* pixel clock frequency (MHz -3 dec. places) */ + short htotal; /* Horizontal total pixels */ + short hblank_start; /* Horizontal blank start */ + short hblank_end; /* Horizontal blank end */ + short hsync_start; /* Horizontal sync start */ + short hsync_end; /* Horizontal sync end */ + short vtotal; /* Vertical total lines */ + short vblank_start; /* Vertical blank start */ + short vblank_end; /* Vertical blank end */ + short vsync_start; /* Vertical sync start */ + short vsync_end; /* Vertical sync end */ + short pll_m; /* PLL M parameter */ + short pll_n; /* PLL P parameter */ + short pll_p; /* PLL N parameter */ +}; + +/* Defines for gbe_vof_info_t flags */ + +#define GBE_VOF_UNKNOWNMON 1 +#define GBE_VOF_STEREO 2 +#define GBE_VOF_DO_GENSYNC 4 /* enable incoming sync */ +#define GBE_VOF_SYNC_ON_GREEN 8 /* sync on green */ +#define GBE_VOF_FLATPANEL 0x1000 /* FLATPANEL Timing */ +#define GBE_VOF_MAGICKEY 0x2000 /* Backdoor key */ + +#endif /* ! __GBE_H__ */ |