+++ /dev/null
-/*
- * (C) Copyright 1997-2002 ELTEC Elektronik AG
- * Frank Gottschling <fgottschling@eltec.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * smiLynxEM.c
- *
- * Silicon Motion graphic interface for sm810/sm710/sm712 accelerator
- *
- * modification history
- * --------------------
- * 04-18-2002 Rewritten for U-Boot <fgottschling@eltec.de>.
- *
- * 18-03-2004 - Unify videomodes handling with the ct69000
- * - The video output can be set via the variable "videoout"
- * in the environment.
- * videoout=1 output on LCD
- * videoout=2 output on CRT (default value)
- * <p.aubert@staubli.com>
- */
-
-#include <common.h>
-
-#include <pci.h>
-#include <video_fb.h>
-#include "videomodes.h"
-/*
- * Export Graphic Device
- */
-GraphicDevice smi;
-
-/*
- * SMI 710/712 have 4MB internal RAM; SMI 810 2MB internal + 2MB external
- */
-#define VIDEO_MEM_SIZE 0x400000
-
-
-/*
- * ISA mapped regs
- */
-#define SMI_INDX_C4 (pGD->isaBase + 0x03c4) /* index reg */
-#define SMI_DATA_C5 (pGD->isaBase + 0x03c5) /* data reg */
-#define SMI_INDX_D4 (pGD->isaBase + 0x03d4) /* index reg */
-#define SMI_DATA_D5 (pGD->isaBase + 0x03d5) /* data reg */
-#define SMI_ISR1 (pGD->isaBase + 0x03ca)
-#define SMI_INDX_CE (pGD->isaBase + 0x03ce) /* index reg */
-#define SMI_DATA_CF (pGD->isaBase + 0x03cf) /* data reg */
-#define SMI_LOCK_REG (pGD->isaBase + 0x03c3) /* unlock/lock ext crt reg */
-#define SMI_MISC_REG (pGD->isaBase + 0x03c2) /* misc reg */
-#define SMI_LUT_MASK (pGD->isaBase + 0x03c6) /* lut mask reg */
-#define SMI_LUT_START (pGD->isaBase + 0x03c8) /* lut start index */
-#define SMI_LUT_RGB (pGD->isaBase + 0x03c9) /* lut colors auto incr.*/
-#define SMI_INDX_ATTR (pGD->isaBase + 0x03c0) /* attributes index reg */
-
-/*
- * Video processor control
- */
-typedef struct {
- unsigned int control;
- unsigned int colorKey;
- unsigned int colorKeyMask;
- unsigned int start;
- unsigned short offset;
- unsigned short width;
- unsigned int fifoPrio;
- unsigned int fifoERL;
- unsigned int YUVtoRGB;
-} SmiVideoProc;
-
-/*
- * Video window control
- */
-typedef struct {
- unsigned short top;
- unsigned short left;
- unsigned short bottom;
- unsigned short right;
- unsigned int srcStart;
- unsigned short width;
- unsigned short offset;
- unsigned char hStretch;
- unsigned char vStretch;
-} SmiVideoWin;
-
-/*
- * Capture port control
- */
-typedef struct {
- unsigned int control;
- unsigned short topClip;
- unsigned short leftClip;
- unsigned short srcHeight;
- unsigned short srcWidth;
- unsigned int srcBufStart1;
- unsigned int srcBufStart2;
- unsigned short srcOffset;
- unsigned short fifoControl;
-} SmiCapturePort;
-
-
-/*
- * Register values for common video modes
- */
-static char SMI_SCR[] = {
- /* all modes */
- 0x10, 0xff, 0x11, 0xff, 0x12, 0xff, 0x13, 0xff, 0x15, 0x90,
- 0x17, 0x20, 0x18, 0xb1, 0x19, 0x00,
-};
-static char SMI_EXT_CRT[] = {
- 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x34, 0x00, 0x35, 0x00,
- 0x36, 0x00, 0x3b, 0x00, 0x3c, 0x00, 0x3d, 0x00, 0x3e, 0x00, 0x3f, 0x00,
-};
-static char SMI_ATTR [] = {
- 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05,
- 0x06, 0x06, 0x07, 0x07, 0x08, 0x08, 0x09, 0x09, 0x0a, 0x0a, 0x0b, 0x0b,
- 0x0c, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0f, 0x0f, 0x10, 0x41, 0x11, 0x00,
- 0x12, 0x0f, 0x13, 0x00, 0x14, 0x00,
-};
-static char SMI_GCR[18] = {
- 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 0x00, 0x05, 0x40,
- 0x06, 0x05, 0x07, 0x0f, 0x08, 0xff,
-};
-static char SMI_SEQR[] = {
- 0x00, 0x00, 0x01, 0x01, 0x02, 0x0f, 0x03, 0x03, 0x04, 0x0e, 0x00, 0x03,
-};
-static char SMI_PCR [] = {
- 0x20, 0x04, 0x21, 0x30, 0x22, 0x00, 0x23, 0x00, 0x24, 0x00,
-};
-static char SMI_MCR[] = {
- 0x60, 0x01, 0x61, 0x00,
-};
-
-static char SMI_HCR[] = {
- 0x80, 0xff, 0x81, 0x07, 0x82, 0x00, 0x83, 0xff, 0x84, 0xff, 0x88, 0x00,
- 0x89, 0x02, 0x8a, 0x80, 0x8b, 0x01, 0x8c, 0xff, 0x8d, 0x00,
-};
-
-
-/*******************************************************************************
- *
- * Write SMI ISA register
- */
-static void smiWrite (unsigned short index, char reg, char val)
-{
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
-
- out8 ((pGD->isaBase + index), reg);
- out8 ((pGD->isaBase + index + 1), val);
-}
-
-/*******************************************************************************
- *
- * Write a table of SMI ISA register
- */
-static void smiLoadRegs (
- unsigned int iReg,
- unsigned int dReg,
- char *regTab,
- unsigned int tabSize
- )
-{
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
- register int i;
-
- for (i=0; i<tabSize; i+=2) {
- if (iReg == SMI_INDX_ATTR) {
- /* Reset the Flip Flop */
- in8 (SMI_ISR1);
- out8 (iReg, regTab[i]);
- out8 (iReg, regTab[i+1]);
- } else {
- out8 (iReg, regTab[i]);
- out8 (dReg, regTab[i+1]);
- }
- }
-}
-
-/*******************************************************************************
- *
- * Init capture port registers
- */
-static void smiInitCapturePort (void)
-{
- SmiCapturePort smiCP = { 0x01400600, 0x30, 0x40, 480, 640, 0, 0, 2560, 6 };
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
- register SmiCapturePort *pCP = (SmiCapturePort *)&smiCP;
-
- out32r ((pGD->cprBase + 0x0004), ((pCP->topClip<<16) | pCP->leftClip));
- out32r ((pGD->cprBase + 0x0008), ((pCP->srcHeight<<16) | pCP->srcWidth));
- out32r ((pGD->cprBase + 0x000c), pCP->srcBufStart1/8);
- out32r ((pGD->cprBase + 0x0010), pCP->srcBufStart2/8);
- out32r ((pGD->cprBase + 0x0014), pCP->srcOffset/8);
- out32r ((pGD->cprBase + 0x0018), pCP->fifoControl);
- out32r ((pGD->cprBase + 0x0000), pCP->control);
-}
-
-
-/*******************************************************************************
- *
- * Init video processor registers
- */
-static void smiInitVideoProcessor (void)
-{
- SmiVideoProc smiVP = { 0x100000, 0, 0, 0, 0, 1600, 0x1200543, 4, 0xededed };
- SmiVideoWin smiVW = { 0, 0, 599, 799, 0, 1600, 0, 0, 0 };
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
- register SmiVideoProc *pVP = (SmiVideoProc *)&smiVP;
- register SmiVideoWin *pVWin = (SmiVideoWin *)&smiVW;
-
- pVP->width = pGD->plnSizeX * pGD->gdfBytesPP;
- pVP->control |= pGD->gdfIndex << 16;
- pVWin->bottom = pGD->winSizeY - 1;
- pVWin->right = pGD->winSizeX - 1;
- pVWin->width = pVP->width;
-
- /* color key */
- out32r ((pGD->vprBase + 0x0004), pVP->colorKey);
-
- /* color key mask */
- out32r ((pGD->vprBase + 0x0008), pVP->colorKeyMask);
-
- /* data src start adrs */
- out32r ((pGD->vprBase + 0x000c), pVP->start / 8);
-
- /* data width and offset */
- out32r ((pGD->vprBase + 0x0010),
- ((pVP->offset / 8 * pGD->gdfBytesPP) << 16) |
- (pGD->plnSizeX / 8 * pGD->gdfBytesPP));
-
- /* video window 1 */
- out32r ((pGD->vprBase + 0x0014),
- ((pVWin->top << 16) | pVWin->left));
-
- out32r ((pGD->vprBase + 0x0018),
- ((pVWin->bottom << 16) | pVWin->right));
-
- out32r ((pGD->vprBase + 0x001c), pVWin->srcStart / 8);
-
- out32r ((pGD->vprBase + 0x0020),
- (((pVWin->offset / 8) << 16) | (pVWin->width / 8)));
-
- out32r ((pGD->vprBase + 0x0024),
- (((pVWin->hStretch) << 8) | pVWin->vStretch));
-
- /* video window 2 */
- out32r ((pGD->vprBase + 0x0028),
- ((pVWin->top << 16) | pVWin->left));
-
- out32r ((pGD->vprBase + 0x002c),
- ((pVWin->bottom << 16) | pVWin->right));
-
- out32r ((pGD->vprBase + 0x0030),
- pVWin->srcStart / 8);
-
- out32r ((pGD->vprBase + 0x0034),
- (((pVWin->offset / 8) << 16) | (pVWin->width / 8)));
-
- out32r ((pGD->vprBase + 0x0038),
- (((pVWin->hStretch) << 8) | pVWin->vStretch));
-
- /* fifo prio control */
- out32r ((pGD->vprBase + 0x0054), pVP->fifoPrio);
-
- /* fifo empty request levell */
- out32r ((pGD->vprBase + 0x0058), pVP->fifoERL);
-
- /* conversion constant */
- out32r ((pGD->vprBase + 0x005c), pVP->YUVtoRGB);
-
- /* vpr control word */
- out32r ((pGD->vprBase + 0x0000), pVP->control);
-}
-
-/******************************************************************************
- *
- * Init drawing engine registers
- */
-static void smiInitDrawingEngine (void)
-{
- GraphicDevice *pGD = (GraphicDevice *)&smi;
- unsigned int val;
-
- /* don't start now */
- out32r ((pGD->dprBase + 0x000c), 0x000f0000);
-
- /* set rop2 to copypen */
- val = 0xffff3ff0 & in32r ((pGD->dprBase + 0x000c));
- out32r ((pGD->dprBase + 0x000c), (val | 0x8000 | 0x0c));
-
- /* set clip rect */
- out32r ((pGD->dprBase + 0x002c), 0);
- out32r ((pGD->dprBase + 0x0030),
- ((pGD->winSizeY<<16) | pGD->winSizeX * pGD->gdfBytesPP ));
-
- /* src row pitch */
- val = 0xffff0000 & (in32r ((pGD->dprBase + 0x0010)));
- out32r ((pGD->dprBase + 0x0010),
- (val | pGD->plnSizeX * pGD->gdfBytesPP));
-
- /* dst row pitch */
- val = 0x0000ffff & (in32r ((pGD->dprBase + 0x0010)));
- out32r ((pGD->dprBase + 0x0010),
- (((pGD->plnSizeX * pGD->gdfBytesPP)<<16) | val));
-
- /* window width src/dst */
- out32r ((pGD->dprBase + 0x003c),
- (((pGD->plnSizeX * pGD->gdfBytesPP & 0x0fff)<<16) |
- (pGD->plnSizeX * pGD->gdfBytesPP & 0x0fff)));
- out16r ((pGD->dprBase + 0x001e), 0x0000);
-
- /* src base adrs */
- out32r ((pGD->dprBase + 0x0040),
- (((pGD->frameAdrs/8) & 0x000fffff)));
-
- /* dst base adrs */
- out32r ((pGD->dprBase + 0x0044),
- (((pGD->frameAdrs/8) & 0x000fffff)));
-
- /* foreground color */
- out32r ((pGD->dprBase + 0x0014), pGD->fg);
-
- /* background color */
- out32r ((pGD->dprBase + 0x0018), pGD->bg);
-
- /* xcolor */
- out32r ((pGD->dprBase + 0x0020), 0x00ffffff);
-
- /* xcolor mask */
- out32r ((pGD->dprBase + 0x0024), 0x00ffffff);
-
- /* bit mask */
- out32r ((pGD->dprBase + 0x0028), 0x00ffffff);
-
- /* load mono pattern */
- out32r ((pGD->dprBase + 0x0034), 0);
- out32r ((pGD->dprBase + 0x0038), 0);
-}
-
-static struct pci_device_id supported[] = {
- { PCI_VENDOR_ID_SMI, PCI_DEVICE_ID_SMI_710 },
- { PCI_VENDOR_ID_SMI, PCI_DEVICE_ID_SMI_712 },
- { PCI_VENDOR_ID_SMI, PCI_DEVICE_ID_SMI_810 },
- { }
-};
-
-/*****************************************************************************/
-static void smiLoadMsr (struct ctfb_res_modes *mode)
-{
- unsigned char h_synch_high, v_synch_high;
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
-
- h_synch_high = (mode->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 0x40; /* horizontal Synch High active */
- v_synch_high = (mode->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 0x80; /* vertical Synch High active */
- out8 (SMI_MISC_REG, (h_synch_high | v_synch_high | 0x29));
- /* upper64K==0x20, CLC2select==0x08, RAMenable==0x02!(todo), CGA==0x01
- * Selects the upper 64KB page.Bit5=1
- * CLK2 (left reserved in standard VGA) Bit3|2=1|0
- * Disables CPU access to frame buffer. Bit1=0
- * Sets the I/O address decode for ST01, FCR, and all CR registers
- * to the 3Dx I/O address range (CGA emulation). Bit0=1
- */
-}
-/*****************************************************************************/
-static void smiLoadCrt (struct ctfb_res_modes *var, int bits_per_pixel)
-{
- unsigned char cr[0x7a];
- int i;
- unsigned int hd, hs, he, ht, hbs, hbe; /* Horizontal. */
- unsigned int vd, vs, ve, vt, vbs, vbe; /* vertical */
- unsigned int bpp, wd, dblscan, interlaced;
-
- const int LineCompare = 0x3ff;
- unsigned int TextScanLines = 1; /* this is in fact a vertical zoom factor */
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
-
- /* Horizontal */
- hd = (var->xres) / 8; /* HDisp. */
- hs = (var->xres + var->right_margin) / 8; /* HsStrt */
- he = (var->xres + var->right_margin + var->hsync_len) / 8; /* HsEnd */
- ht = (var->left_margin + var->xres + var->right_margin + var->hsync_len) / 8; /* HTotal */
- /* Blank */
- hbs = hd;
- hbe = 0; /* Blank end at 0 */
-
- /* Vertical */
- vd = var->yres; /* VDisplay */
- vs = var->yres + var->lower_margin; /* VSyncStart */
- ve = var->yres + var->lower_margin + var->vsync_len; /* VSyncEnd */
- vt = var->upper_margin + var->yres + var->lower_margin + var->vsync_len; /* VTotal */
- vbs = vd;
- vbe = 0;
-
- bpp = bits_per_pixel;
- dblscan = (var->vmode & FB_VMODE_DOUBLE) ? 1 : 0;
- interlaced = var->vmode & FB_VMODE_INTERLACED;
-
-
- if (bpp == 15)
- bpp = 16;
- wd = var->xres * bpp / 64; /* double words per line */
- if (interlaced) { /* we divide all vertical timings, exept vd */
- vs >>= 1;
- vbs >>= 1;
- ve >>= 1;
- vt >>= 1;
- }
-
- memset (cr, 0, sizeof (cr));
- cr[0x00] = ht - 5;
- cr[0x01] = hd - 1;
- cr[0x02] = hbs - 1;
- cr[0x03] = (hbe & 0x1F);
- cr[0x04] = hs;
- cr[0x05] = ((hbe & 0x20) << 2) | (he & 0x1f);
-
- cr[0x06] = (vt - 2) & 0xFF;
- cr[0x07] = (((vt - 2) & 0x100) >> 8)
- | (((vd - 1) & 0x100) >> 7)
- | ((vs & 0x100) >> 6)
- | (((vbs - 1) & 0x100) >> 5)
- | ((LineCompare & 0x100) >> 4)
- | (((vt - 2) & 0x200) >> 4)
- | (((vd - 1) & 0x200) >> 3)
- | ((vs & 0x200) >> 2);
-
- cr[0x30] = ((vt - 2) & 0x400) >> 7
- | (((vd - 1) & 0x400) >> 8)
- | (((vbs - 1) & 0x400) >> 9)
- | ((vs & 0x400) >> 10)
- | (interlaced) ? 0x80 : 0;
-
-
- cr[0x08] = 0x00;
- cr[0x09] = (dblscan << 7)
- | ((LineCompare & 0x200) >> 3)
- | (((vbs - 1) & 0x200) >> 4)
- | (TextScanLines - 1);
-
- cr[0x10] = vs & 0xff; /* VSyncPulseStart */
- cr[0x11] = (ve & 0x0f);
- cr[0x12] = (vd - 1) & 0xff; /* LineCount */
- cr[0x13] = wd & 0xff;
- cr[0x14] = 0x40;
- cr[0x15] = (vbs - 1) & 0xff;
- cr[0x16] = vbe & 0xff;
- cr[0x17] = 0xe3; /* but it does not work */
- cr[0x18] = 0xff & LineCompare;
- cr[0x22] = 0x00; /* todo? */
-
-
- /* now set the registers */
- for (i = 0; i <= 0x18; i++) { /*CR00 .. CR18 */
- smiWrite (SMI_INDX_D4, i, cr[i]);
- }
- i = 0x22; /*CR22 */
- smiWrite (SMI_INDX_D4, i, cr[i]);
- i = 0x30; /*CR30 */
- smiWrite (SMI_INDX_D4, i, cr[i]);
-}
-
-/*****************************************************************************/
-#define REF_FREQ 14318180
-#define PMIN 1
-#define PMAX 255
-#define QMIN 1
-#define QMAX 63
-
-static unsigned int FindPQ (unsigned int freq, unsigned int *pp, unsigned int *pq)
-{
- unsigned int n = QMIN, m = 0;
- long long int L = 0, P = freq, Q = REF_FREQ, H = P >> 1;
- long long int D = 0x7ffffffffffffffLL;
-
- for (n = QMIN; n <= QMAX; n++) {
- m = PMIN; /* p/q ~ freq/ref -> p*ref-freq*q ~ 0 */
- L = P * n - m * Q;
- while (L > 0 && m < PMAX) {
- L -= REF_FREQ; /* difference is greater as 0 subtract fref */
- m++; /* and increment m */
- }
- /* difference is less or equal than 0 or m > maximum */
- if (m > PMAX)
- break; /* no solution: if we increase n we get the same situation */
- /* L is <= 0 now */
- if (-L > H && m > PMIN) { /* if difference > the half fref */
- L += REF_FREQ; /* we take the situation before */
- m--; /* because its closer to 0 */
- }
- L = (L < 0) ? -L : +L; /* absolute value */
- if (D < L) /* if last difference was better take next n */
- continue;
- D = L;
- *pp = m;
- *pq = n; /* keep improved data */
- if (D == 0)
- break; /* best result we can get */
- }
- return (unsigned int) (0xffffffff & D);
-}
-
-/*****************************************************************************/
-static void smiLoadCcr (struct ctfb_res_modes *var, unsigned short device_id)
-{
- unsigned int p = 0;
- unsigned int q = 0;
- long long freq;
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
-
- smiWrite (SMI_INDX_C4, 0x65, 0);
- smiWrite (SMI_INDX_C4, 0x66, 0);
- smiWrite (SMI_INDX_C4, 0x68, 0x50);
- if (device_id == PCI_DEVICE_ID_SMI_810) {
- smiWrite (SMI_INDX_C4, 0x69, 0x3);
- } else {
- smiWrite (SMI_INDX_C4, 0x69, 0x0);
- }
-
- /* Memory clock */
- switch (device_id) {
- case PCI_DEVICE_ID_SMI_710 :
- smiWrite (SMI_INDX_C4, 0x6a, 0x75);
- break;
- case PCI_DEVICE_ID_SMI_712 :
- smiWrite (SMI_INDX_C4, 0x6a, 0x80);
- break;
- default :
- smiWrite (SMI_INDX_C4, 0x6a, 0x53);
- break;
- }
- smiWrite (SMI_INDX_C4, 0x6b, 0x15);
-
- /* VCLK */
- freq = 1000000000000LL / var -> pixclock;
-
- FindPQ ((unsigned int)freq, &p, &q);
-
- smiWrite (SMI_INDX_C4, 0x6c, p);
- smiWrite (SMI_INDX_C4, 0x6d, q);
-
-}
-
-/*******************************************************************************
- *
- * Init video chip with common Linux graphic modes (lilo)
- */
-void *video_hw_init (void)
-{
- GraphicDevice *pGD = (GraphicDevice *)&smi;
- unsigned short device_id;
- pci_dev_t devbusfn;
- int videomode;
- unsigned long t1, hsynch, vsynch;
- unsigned int pci_mem_base, *vm;
- char *penv;
- int tmp, i, bits_per_pixel;
- struct ctfb_res_modes *res_mode;
- struct ctfb_res_modes var_mode;
- unsigned char videoout;
-
- /* Search for video chip */
- printf("Video: ");
-
- if ((devbusfn = pci_find_devices(supported, 0)) < 0)
- {
- printf ("Controller not found !\n");
- return (NULL);
- }
-
- /* PCI setup */
- pci_write_config_dword (devbusfn, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
- pci_read_config_word (devbusfn, PCI_DEVICE_ID, &device_id);
- pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &pci_mem_base);
- pci_mem_base = pci_mem_to_phys (devbusfn, pci_mem_base);
-
- tmp = 0;
-
- videomode = CONFIG_SYS_DEFAULT_VIDEO_MODE;
- /* get video mode via environment */
- if ((penv = getenv ("videomode")) != NULL) {
- /* deceide if it is a string */
- if (penv[0] <= '9') {
- videomode = (int) simple_strtoul (penv, NULL, 16);
- tmp = 1;
- }
- } else {
- tmp = 1;
- }
- if (tmp) {
- /* parameter are vesa modes */
- /* search params */
- for (i = 0; i < VESA_MODES_COUNT; i++) {
- if (vesa_modes[i].vesanr == videomode)
- break;
- }
- if (i == VESA_MODES_COUNT) {
- printf ("no VESA Mode found, switching to mode 0x%x ", CONFIG_SYS_DEFAULT_VIDEO_MODE);
- i = 0;
- }
- res_mode =
- (struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].
- resindex];
- bits_per_pixel = vesa_modes[i].bits_per_pixel;
- } else {
-
- res_mode = (struct ctfb_res_modes *) &var_mode;
- bits_per_pixel = video_get_params (res_mode, penv);
- }
-
- /* calculate hsynch and vsynch freq (info only) */
- t1 = (res_mode->left_margin + res_mode->xres +
- res_mode->right_margin + res_mode->hsync_len) / 8;
- t1 *= 8;
- t1 *= res_mode->pixclock;
- t1 /= 1000;
- hsynch = 1000000000L / t1;
- t1 *=
- (res_mode->upper_margin + res_mode->yres +
- res_mode->lower_margin + res_mode->vsync_len);
- t1 /= 1000;
- vsynch = 1000000000L / t1;
-
- /* fill in Graphic device struct */
- sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
- res_mode->yres, bits_per_pixel, (hsynch / 1000),
- (vsynch / 1000));
- printf ("%s\n", pGD->modeIdent);
- pGD->winSizeX = res_mode->xres;
- pGD->winSizeY = res_mode->yres;
- pGD->plnSizeX = res_mode->xres;
- pGD->plnSizeY = res_mode->yres;
- switch (bits_per_pixel) {
- case 8:
- pGD->gdfBytesPP = 1;
- pGD->gdfIndex = GDF__8BIT_INDEX;
- break;
- case 15:
- pGD->gdfBytesPP = 2;
- pGD->gdfIndex = GDF_15BIT_555RGB;
- break;
- case 16:
- pGD->gdfBytesPP = 2;
- pGD->gdfIndex = GDF_16BIT_565RGB;
- break;
- case 24:
- pGD->gdfBytesPP = 3;
- pGD->gdfIndex = GDF_24BIT_888RGB;
- break;
- }
-
- pGD->isaBase = CONFIG_SYS_ISA_IO;
- pGD->pciBase = pci_mem_base;
- pGD->dprBase = (pci_mem_base + 0x400000 + 0x8000);
- pGD->vprBase = (pci_mem_base + 0x400000 + 0xc000);
- pGD->cprBase = (pci_mem_base + 0x400000 + 0xe000);
- pGD->frameAdrs = pci_mem_base;
- pGD->memSize = VIDEO_MEM_SIZE;
-
- /* Set up hardware : select color mode,
- set Register base to isa 3dx for 3?x regs*/
- out8 (SMI_MISC_REG, 0x01);
-
- /* Turn off display */
- smiWrite (SMI_INDX_C4, 0x01, 0x20);
-
- /* Unlock ext. crt regs */
- out8 (SMI_LOCK_REG, 0x40);
-
- /* Unlock crt regs 0-7 */
- smiWrite (SMI_INDX_D4, 0x11, 0x0e);
-
- /* Sytem Control Register */
- smiLoadRegs (SMI_INDX_C4, SMI_DATA_C5, SMI_SCR, sizeof(SMI_SCR));
-
- /* extented CRT Register */
- smiLoadRegs (SMI_INDX_D4, SMI_DATA_D5, SMI_EXT_CRT, sizeof(SMI_EXT_CRT));
-
- /* Attributes controller registers */
- smiLoadRegs (SMI_INDX_ATTR, SMI_INDX_ATTR, SMI_ATTR, sizeof(SMI_ATTR));
-
- /* Graphics Controller Register */
- smiLoadRegs (SMI_INDX_CE, SMI_DATA_CF, SMI_GCR, sizeof(SMI_GCR));
-
- /* Sequencer Register */
- smiLoadRegs (SMI_INDX_C4, SMI_DATA_C5, SMI_SEQR, sizeof(SMI_SEQR));
-
- /* Power Control Register */
- smiLoadRegs (SMI_INDX_C4, SMI_DATA_C5, SMI_PCR, sizeof(SMI_PCR));
-
- /* Memory Control Register */
- /* Register MSR62 is a power on configurable register. We don't */
- /* modify it */
- smiLoadRegs (SMI_INDX_C4, SMI_DATA_C5, SMI_MCR, sizeof(SMI_MCR));
-
- /* Set misc output register */
- smiLoadMsr (res_mode);
-
- /* Set CRT and Clock control registers */
- smiLoadCrt (res_mode, bits_per_pixel);
-
- smiLoadCcr (res_mode, device_id);
-
- /* Hardware Cusor Register */
- smiLoadRegs (SMI_INDX_C4, SMI_DATA_C5, SMI_HCR, sizeof(SMI_HCR));
-
- /* Enable Display */
- videoout = 2; /* Default output is CRT */
- if ((penv = getenv ("videoout")) != NULL) {
- /* deceide if it is a string */
- videoout = (int) simple_strtoul (penv, NULL, 16);
- }
- smiWrite (SMI_INDX_C4, 0x31, videoout);
-
- /* Video processor default setup */
- smiInitVideoProcessor ();
-
- /* Capture port default setup */
- smiInitCapturePort ();
-
- /* Drawing engine default setup */
- smiInitDrawingEngine ();
-
- /* Turn on display */
- smiWrite (0x3c4, 0x01, 0x01);
-
- /* Clear video memory */
- i = pGD->memSize/4;
- vm = (unsigned int *)pGD->pciBase;
- while(i--)
- *vm++ = 0;
- return ((void*)&smi);
-}
-
-/*******************************************************************************
- *
- * Drawing engine fill on screen region
- */
-void video_hw_rectfill (
- unsigned int bpp, /* bytes per pixel */
- unsigned int dst_x, /* dest pos x */
- unsigned int dst_y, /* dest pos y */
- unsigned int dim_x, /* frame width */
- unsigned int dim_y, /* frame height */
- unsigned int color /* fill color */
- )
-{
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
- register unsigned int control;
-
- dim_x *= bpp;
-
- out32r ((pGD->dprBase + 0x0014), color);
- out32r ((pGD->dprBase + 0x0004), ((dst_x<<16) | dst_y));
- out32r ((pGD->dprBase + 0x0008), ((dim_x<<16) | dim_y));
-
- control = 0x0000ffff & in32r ((pGD->dprBase + 0x000c));
-
- control |= 0x80010000;
-
- out32r ((pGD->dprBase + 0x000c), control);
-
- /* Wait for drawing processor */
- do
- {
- out8 ((pGD->isaBase + 0x3c4), 0x16);
- } while (in8 (pGD->isaBase + 0x3c5) & 0x08);
-}
-
-/*******************************************************************************
- *
- * Drawing engine bitblt with screen region
- */
-void video_hw_bitblt (
- unsigned int bpp, /* bytes per pixel */
- unsigned int src_x, /* source pos x */
- unsigned int src_y, /* source pos y */
- unsigned int dst_x, /* dest pos x */
- unsigned int dst_y, /* dest pos y */
- unsigned int dim_x, /* frame width */
- unsigned int dim_y /* frame height */
- )
-{
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
- register unsigned int control;
-
- dim_x *= bpp;
-
- if ((src_y<dst_y) || ((src_y==dst_y) && (src_x<dst_x)))
- {
- out32r ((pGD->dprBase + 0x0000), (((src_x+dim_x-1)<<16) | (src_y+dim_y-1)));
- out32r ((pGD->dprBase + 0x0004), (((dst_x+dim_x-1)<<16) | (dst_y+dim_y-1)));
- control = 0x88000000;
- } else {
- out32r ((pGD->dprBase + 0x0000), ((src_x<<16) | src_y));
- out32r ((pGD->dprBase + 0x0004), ((dst_x<<16) | dst_y));
- control = 0x80000000;
- }
-
- out32r ((pGD->dprBase + 0x0008), ((dim_x<<16) | dim_y));
- control |= (0x0000ffff & in32r ((pGD->dprBase + 0x000c)));
- out32r ((pGD->dprBase + 0x000c), control);
-
- /* Wait for drawing processor */
- do
- {
- out8 ((pGD->isaBase + 0x3c4), 0x16);
- } while (in8 (pGD->isaBase + 0x3c5) & 0x08);
-}
-
-/*******************************************************************************
- *
- * Set a RGB color in the LUT (8 bit index)
- */
-void video_set_lut (
- unsigned int index, /* color number */
- unsigned char r, /* red */
- unsigned char g, /* green */
- unsigned char b /* blue */
- )
-{
- register GraphicDevice *pGD = (GraphicDevice *)&smi;
-
- out8 (SMI_LUT_MASK, 0xff);
-
- out8 (SMI_LUT_START, (char)index);
-
- out8 (SMI_LUT_RGB, r>>2); /* red */
- udelay (10);
- out8 (SMI_LUT_RGB, g>>2); /* green */
- udelay (10);
- out8 (SMI_LUT_RGB, b>>2); /* blue */
- udelay (10);
-}
projects / u-boot.git / commitdiff