3c03ec209a
There are a few nvidia hardware where the i2c port assignments are reversed, i.e., the 1st i2c port is assigned to the secondary display and the 2nd i2c port to the primary display. In most cases, if only 1 display is attached, or if only 1 flatpanel and 1 analog display is attached, the port reversal is of no consequence. However if 2 flatpanels are attached, it can cause display problems. There is no sane way of determining if the hardware reversed the i2c port assignment, so the simplest fix is to add a boot/module option, "reverse_i2c to explicitly reverse the i2c port. This also restores i2c ordering back to the pre-2.6.22 state. Signed-off-by: Antonino Daplas <adaplas@gail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
183 lines
3.5 KiB
C
183 lines
3.5 KiB
C
#ifndef __NV_TYPE_H__
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#define __NV_TYPE_H__
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#include <linux/fb.h>
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#include <linux/types.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/mutex.h>
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#include <video/vga.h>
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#define NV_ARCH_04 0x04
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#define NV_ARCH_10 0x10
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#define NV_ARCH_20 0x20
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#define NV_ARCH_30 0x30
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#define NV_ARCH_40 0x40
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#define BITMASK(t,b) (((unsigned)(1U << (((t)-(b)+1)))-1) << (b))
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#define MASKEXPAND(mask) BITMASK(1?mask,0?mask)
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#define SetBF(mask,value) ((value) << (0?mask))
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#define GetBF(var,mask) (((unsigned)((var) & MASKEXPAND(mask))) >> (0?mask) )
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#define SetBitField(value,from,to) SetBF(to, GetBF(value,from))
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#define SetBit(n) (1<<(n))
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#define Set8Bits(value) ((value)&0xff)
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#define V_DBLSCAN 1
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typedef struct {
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int bitsPerPixel;
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int depth;
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int displayWidth;
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int weight;
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} NVFBLayout;
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#define NUM_SEQ_REGS 0x05
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#define NUM_CRT_REGS 0x41
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#define NUM_GRC_REGS 0x09
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#define NUM_ATC_REGS 0x15
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struct nvidia_par;
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struct nvidia_i2c_chan {
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struct nvidia_par *par;
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unsigned long ddc_base;
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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};
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typedef struct _riva_hw_state {
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u8 attr[NUM_ATC_REGS];
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u8 crtc[NUM_CRT_REGS];
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u8 gra[NUM_GRC_REGS];
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u8 seq[NUM_SEQ_REGS];
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u8 misc_output;
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u32 bpp;
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u32 width;
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u32 height;
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u32 interlace;
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u32 repaint0;
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u32 repaint1;
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u32 screen;
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u32 scale;
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u32 dither;
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u32 extra;
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u32 fifo;
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u32 pixel;
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u32 horiz;
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u32 arbitration0;
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u32 arbitration1;
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u32 pll;
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u32 pllB;
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u32 vpll;
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u32 vpll2;
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u32 vpllB;
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u32 vpll2B;
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u32 pllsel;
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u32 general;
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u32 crtcOwner;
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u32 head;
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u32 head2;
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u32 config;
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u32 cursorConfig;
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u32 cursor0;
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u32 cursor1;
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u32 cursor2;
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u32 timingH;
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u32 timingV;
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u32 displayV;
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u32 crtcSync;
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u32 control;
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} RIVA_HW_STATE;
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struct riva_regs {
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RIVA_HW_STATE ext;
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};
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struct nvidia_par {
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RIVA_HW_STATE SavedReg;
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RIVA_HW_STATE ModeReg;
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RIVA_HW_STATE initial_state;
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RIVA_HW_STATE *CurrentState;
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struct vgastate vgastate;
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struct mutex open_lock;
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u32 pseudo_palette[16];
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struct pci_dev *pci_dev;
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u32 Architecture;
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u32 CursorStart;
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int Chipset;
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unsigned long FbAddress;
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u8 __iomem *FbStart;
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u32 FbMapSize;
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u32 FbUsableSize;
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u32 ScratchBufferSize;
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u32 ScratchBufferStart;
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int FpScale;
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u32 MinVClockFreqKHz;
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u32 MaxVClockFreqKHz;
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u32 CrystalFreqKHz;
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u32 RamAmountKBytes;
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u32 IOBase;
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NVFBLayout CurrentLayout;
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int cursor_reset;
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int lockup;
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int videoKey;
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int FlatPanel;
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int FPDither;
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int Television;
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int CRTCnumber;
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int alphaCursor;
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int twoHeads;
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int twoStagePLL;
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int fpScaler;
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int fpWidth;
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int fpHeight;
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int PanelTweak;
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int paneltweak;
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int LVDS;
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int pm_state;
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int reverse_i2c;
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u32 crtcSync_read;
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u32 fpSyncs;
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u32 dmaPut;
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u32 dmaCurrent;
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u32 dmaFree;
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u32 dmaMax;
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u32 __iomem *dmaBase;
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u32 currentRop;
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int WaitVSyncPossible;
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int BlendingPossible;
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u32 paletteEnabled;
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u32 forceCRTC;
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u32 open_count;
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u8 DDCBase;
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#ifdef CONFIG_MTRR
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struct {
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int vram;
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int vram_valid;
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} mtrr;
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#endif
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struct nvidia_i2c_chan chan[3];
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volatile u32 __iomem *REGS;
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volatile u32 __iomem *PCRTC0;
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volatile u32 __iomem *PCRTC;
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volatile u32 __iomem *PRAMDAC0;
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volatile u32 __iomem *PFB;
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volatile u32 __iomem *PFIFO;
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volatile u32 __iomem *PGRAPH;
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volatile u32 __iomem *PEXTDEV;
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volatile u32 __iomem *PTIMER;
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volatile u32 __iomem *PMC;
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volatile u32 __iomem *PRAMIN;
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volatile u32 __iomem *FIFO;
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volatile u32 __iomem *CURSOR;
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volatile u8 __iomem *PCIO0;
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volatile u8 __iomem *PCIO;
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volatile u8 __iomem *PVIO;
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volatile u8 __iomem *PDIO0;
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volatile u8 __iomem *PDIO;
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volatile u32 __iomem *PRAMDAC;
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};
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#endif /* __NV_TYPE_H__ */
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