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https://github.com/torvalds/linux
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62ec56524f
A relatively recent version of the Geode LX datasheet listed the wrong address for one of the MSRs that controls TFT panels, resulting in breakage. This patch corrects the MSR address. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
200 lines
5.5 KiB
C
200 lines
5.5 KiB
C
#ifndef _LXFB_H_
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#define _LXFB_H_
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#include <linux/fb.h>
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#define OUTPUT_CRT 0x01
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#define OUTPUT_PANEL 0x02
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struct lxfb_par {
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int output;
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int panel_width;
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int panel_height;
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void __iomem *gp_regs;
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void __iomem *dc_regs;
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void __iomem *df_regs;
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};
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static inline unsigned int lx_get_pitch(unsigned int xres, int bpp)
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{
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return (((xres * (bpp >> 3)) + 7) & ~7);
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}
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void lx_set_mode(struct fb_info *);
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void lx_get_gamma(struct fb_info *, unsigned int *, int);
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void lx_set_gamma(struct fb_info *, unsigned int *, int);
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unsigned int lx_framebuffer_size(void);
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int lx_blank_display(struct fb_info *, int);
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void lx_set_palette_reg(struct fb_info *, unsigned int, unsigned int,
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unsigned int, unsigned int);
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/* MSRS */
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#define MSR_LX_GLD_CONFIG 0x48002001
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#define MSR_LX_GLCP_DOTPLL 0x4c000015
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#define MSR_LX_DF_PADSEL 0x48002011
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#define MSR_LX_DC_SPARE 0x80000011
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#define MSR_LX_DF_GLCONFIG 0x48002001
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#define MSR_LX_GLIU0_P2D_RO0 0x10000029
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#define GLCP_DOTPLL_RESET (1 << 0)
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#define GLCP_DOTPLL_BYPASS (1 << 15)
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#define GLCP_DOTPLL_HALFPIX (1 << 24)
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#define GLCP_DOTPLL_LOCK (1 << 25)
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#define DF_CONFIG_OUTPUT_MASK 0x38
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#define DF_OUTPUT_PANEL 0x08
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#define DF_OUTPUT_CRT 0x00
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#define DF_SIMULTANEOUS_CRT_AND_FP (1 << 15)
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#define DF_DEFAULT_TFT_PAD_SEL_LOW 0xDFFFFFFF
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#define DF_DEFAULT_TFT_PAD_SEL_HIGH 0x0000003F
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#define DC_SPARE_DISABLE_CFIFO_HGO 0x00000800
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#define DC_SPARE_VFIFO_ARB_SELECT 0x00000400
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#define DC_SPARE_WM_LPEN_OVRD 0x00000200
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#define DC_SPARE_LOAD_WM_LPEN_MASK 0x00000100
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#define DC_SPARE_DISABLE_INIT_VID_PRI 0x00000080
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#define DC_SPARE_DISABLE_VFIFO_WM 0x00000040
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#define DC_SPARE_DISABLE_CWD_CHECK 0x00000020
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#define DC_SPARE_PIX8_PAN_FIX 0x00000010
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#define DC_SPARE_FIRST_REQ_MASK 0x00000002
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/* Registers */
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#define DC_UNLOCK 0x00
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#define DC_UNLOCK_CODE 0x4758
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#define DC_GENERAL_CFG 0x04
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#define DC_GCFG_DFLE (1 << 0)
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#define DC_GCFG_VIDE (1 << 3)
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#define DC_GCFG_VGAE (1 << 7)
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#define DC_GCFG_CMPE (1 << 5)
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#define DC_GCFG_DECE (1 << 6)
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#define DC_GCFG_FDTY (1 << 17)
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#define DC_DISPLAY_CFG 0x08
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#define DC_DCFG_TGEN (1 << 0)
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#define DC_DCFG_GDEN (1 << 3)
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#define DC_DCFG_VDEN (1 << 4)
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#define DC_DCFG_TRUP (1 << 6)
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#define DC_DCFG_DCEN (1 << 24)
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#define DC_DCFG_PALB (1 << 25)
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#define DC_DCFG_VISL (1 << 27)
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#define DC_DCFG_16BPP 0x0
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#define DC_DCFG_DISP_MODE_MASK 0x00000300
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#define DC_DCFG_DISP_MODE_8BPP 0x00000000
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#define DC_DCFG_DISP_MODE_16BPP 0x00000100
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#define DC_DCFG_DISP_MODE_24BPP 0x00000200
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#define DC_DCFG_DISP_MODE_32BPP 0x00000300
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#define DC_ARB_CFG 0x0C
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#define DC_FB_START 0x10
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#define DC_CB_START 0x14
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#define DC_CURSOR_START 0x18
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#define DC_DV_TOP 0x2C
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#define DC_DV_TOP_ENABLE (1 << 0)
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#define DC_LINE_SIZE 0x30
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#define DC_GRAPHICS_PITCH 0x34
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#define DC_H_ACTIVE_TIMING 0x40
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#define DC_H_BLANK_TIMING 0x44
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#define DC_H_SYNC_TIMING 0x48
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#define DC_V_ACTIVE_TIMING 0x50
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#define DC_V_BLANK_TIMING 0x54
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#define DC_V_SYNC_TIMING 0x58
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#define DC_FB_ACTIVE 0x5C
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#define DC_PAL_ADDRESS 0x70
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#define DC_PAL_DATA 0x74
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#define DC_PHY_MEM_OFFSET 0x84
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#define DC_DV_CTL 0x88
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#define DC_DV_LINE_SIZE_MASK 0x00000C00
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#define DC_DV_LINE_SIZE_1024 0x00000000
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#define DC_DV_LINE_SIZE_2048 0x00000400
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#define DC_DV_LINE_SIZE_4096 0x00000800
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#define DC_DV_LINE_SIZE_8192 0x00000C00
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#define DC_GFX_SCALE 0x90
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#define DC_IRQ_FILT_CTL 0x94
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#define DC_IRQ 0xC8
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#define DC_IRQ_MASK (1 << 0)
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#define DC_VSYNC_IRQ_MASK (1 << 1)
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#define DC_IRQ_STATUS (1 << 20)
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#define DC_VSYNC_IRQ_STATUS (1 << 21)
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#define DC_GENLCK_CTRL 0xD4
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#define DC_GENLCK_ENABLE (1 << 18)
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#define DC_GC_ALPHA_FLICK_ENABLE (1 << 25)
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#define DC_GC_FLICKER_FILTER_ENABLE (1 << 24)
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#define DC_GC_FLICKER_FILTER_MASK (0x0F << 28)
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#define DC_COLOR_KEY 0xB8
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#define DC_CLR_KEY_ENABLE (1 << 24)
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#define DC3_DV_LINE_SIZE_MASK 0x00000C00
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#define DC3_DV_LINE_SIZE_1024 0x00000000
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#define DC3_DV_LINE_SIZE_2048 0x00000400
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#define DC3_DV_LINE_SIZE_4096 0x00000800
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#define DC3_DV_LINE_SIZE_8192 0x00000C00
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#define DF_VIDEO_CFG 0x0
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#define DF_VCFG_VID_EN (1 << 0)
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#define DF_DISPLAY_CFG 0x08
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#define DF_DCFG_CRT_EN (1 << 0)
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#define DF_DCFG_HSYNC_EN (1 << 1)
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#define DF_DCFG_VSYNC_EN (1 << 2)
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#define DF_DCFG_DAC_BL_EN (1 << 3)
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#define DF_DCFG_CRT_HSYNC_POL (1 << 8)
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#define DF_DCFG_CRT_VSYNC_POL (1 << 9)
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#define DF_DCFG_GV_PAL_BYP (1 << 21)
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#define DF_DCFG_CRT_SYNC_SKW_INIT 0x10000
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#define DF_DCFG_CRT_SYNC_SKW_MASK 0x1c000
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#define DF_DCFG_PWR_SEQ_DLY_INIT 0x80000
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#define DF_DCFG_PWR_SEQ_DLY_MASK 0xe0000
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#define DF_MISC 0x50
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#define DF_MISC_GAM_BYPASS (1 << 0)
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#define DF_MISC_DAC_PWRDN (1 << 10)
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#define DF_MISC_A_PWRDN (1 << 11)
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#define DF_PAR 0x38
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#define DF_PDR 0x40
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#define DF_ALPHA_CONTROL_1 0xD8
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#define DF_VIDEO_REQUEST 0x120
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#define DF_PANEL_TIM1 0x400
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#define DF_DEFAULT_TFT_PMTIM1 0x0
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#define DF_PANEL_TIM2 0x408
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#define DF_DEFAULT_TFT_PMTIM2 0x08000000
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#define DF_FP_PM 0x410
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#define DF_FP_PM_P (1 << 24)
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#define DF_DITHER_CONTROL 0x418
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#define DF_DEFAULT_TFT_DITHCTL 0x00000070
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#define GP_BLT_STATUS 0x44
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#define GP_BS_BLT_BUSY (1 << 0)
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#define GP_BS_CB_EMPTY (1 << 4)
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#endif
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