diff options
Diffstat (limited to 'drivers/staging/xgifb/XGI_main_26.c')
-rw-r--r-- | drivers/staging/xgifb/XGI_main_26.c | 3773 |
1 files changed, 3773 insertions, 0 deletions
diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c new file mode 100644 index 0000000..867012b --- /dev/null +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -0,0 +1,3773 @@ +/* + * XG20, XG21, XG40, XG42 frame buffer device + * for Linux kernels 2.5.x, 2.6.x + * Base on TW's sis fbdev code. + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/console.h> +#include <linux/selection.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/vmalloc.h> +#include <linux/vt_kern.h> +#include <linux/capability.h> +#include <linux/fs.h> +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <linux/kernel.h> + +#include "osdef.h" + + +#ifndef XGIFB_PAN +#define XGIFB_PAN +#endif + +#include <asm/io.h> +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#include "XGIfb.h" +#include "vgatypes.h" +#include "XGI_main.h" +#include "vb_util.h" + + +#define Index_CR_GPIO_Reg1 0x48 +#define Index_CR_GPIO_Reg2 0x49 +#define Index_CR_GPIO_Reg3 0x4a + +#define GPIOG_EN (1<<6) +#define GPIOG_WRITE (1<<6) +#define GPIOG_READ (1<<1) +int XGIfb_GetXG21DefaultLVDSModeIdx(void); + +/* -------------------- Macro definitions ---------------------------- */ + +#undef XGIFBDEBUG + +#ifdef XGIFBDEBUG +#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) +#else +#define DPRINTK(fmt, args...) +#endif + +#ifdef XGIFBDEBUG +static void dumpVGAReg(void) +{ + u8 i,reg; + +outXGIIDXREG(XGISR, 0x05, 0x86); +/* +outXGIIDXREG(XGISR, 0x08, 0x4f); +outXGIIDXREG(XGISR, 0x0f, 0x20); +outXGIIDXREG(XGISR, 0x11, 0x4f); +outXGIIDXREG(XGISR, 0x13, 0x45); +outXGIIDXREG(XGISR, 0x14, 0x51); +outXGIIDXREG(XGISR, 0x1e, 0x41); +outXGIIDXREG(XGISR, 0x1f, 0x0); +outXGIIDXREG(XGISR, 0x20, 0xa1); +outXGIIDXREG(XGISR, 0x22, 0xfb); +outXGIIDXREG(XGISR, 0x26, 0x22); +outXGIIDXREG(XGISR, 0x3e, 0x07); +*/ + +//outXGIIDXREG(XGICR, 0x19, 0x00); +//outXGIIDXREG(XGICR, 0x1a, 0x3C); +//outXGIIDXREG(XGICR, 0x22, 0xff); +//outXGIIDXREG(XGICR, 0x3D, 0x10); + +//outXGIIDXREG(XGICR, 0x4a, 0xf3); + +//outXGIIDXREG(XGICR, 0x57, 0x0); +//outXGIIDXREG(XGICR, 0x7a, 0x2c); + +//outXGIIDXREG(XGICR, 0x82, 0xcc); +//outXGIIDXREG(XGICR, 0x8c, 0x0); +/* +outXGIIDXREG(XGICR, 0x99, 0x1); +outXGIIDXREG(XGICR, 0x41, 0x40); +*/ + + for(i=0; i < 0x4f; i++) + { + inXGIIDXREG(XGISR, i, reg); + printk("\no 3c4 %x",i); + printk("\ni 3c5 => %x",reg); + } + + for(i=0; i < 0xF0; i++) + { + inXGIIDXREG(XGICR, i, reg); + printk("\no 3d4 %x",i); + printk("\ni 3d5 => %x",reg); + } +/* + + outXGIIDXREG(XGIPART1,0x2F,1); + for(i=1; i < 0x50; i++) + { + inXGIIDXREG(XGIPART1, i, reg); + printk("\no d004 %x",i); + printk("\ni d005 => %x",reg); + } + + for(i=0; i < 0x50; i++) + { + inXGIIDXREG(XGIPART2, i, reg); + printk("\no d010 %x",i); + printk("\ni d011 => %x",reg); + } + for(i=0; i < 0x50; i++) + { + inXGIIDXREG(XGIPART3, i, reg); + printk("\no d012 %x",i); + printk("\ni d013 => %x",reg); + } + for(i=0; i < 0x50; i++) + { + inXGIIDXREG(XGIPART4, i, reg); + printk("\no d014 %x",i); + printk("\ni d015 => %x",reg); + } +*/ +} +#else +static inline void dumpVGAReg(void) {} +#endif + +/* data for XGI components */ +struct video_info xgi_video_info; + + +#if 1 +#define DEBUGPRN(x) +#else +#define DEBUGPRN(x) printk(KERN_INFO x "\n"); +#endif + + +/* --------------- Hardware Access Routines -------------------------- */ + +#ifdef LINUX_KERNEL +int +XGIfb_mode_rate_to_dclock(VB_DEVICE_INFO *XGI_Pr, PXGI_HW_DEVICE_INFO HwDeviceExtension, + unsigned char modeno, unsigned char rateindex) +{ + USHORT ModeNo = modeno; + USHORT ModeIdIndex = 0, ClockIndex = 0; + USHORT RefreshRateTableIndex = 0; + + /*ULONG temp = 0;*/ + int Clock; + XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase; + InitTo330Pointer( HwDeviceExtension->jChipType, XGI_Pr ) ; + + RefreshRateTableIndex = XGI_GetRatePtrCRT2( HwDeviceExtension, ModeNo , ModeIdIndex, XGI_Pr ) ; + +/* + temp = XGI_SearchModeID( ModeNo , &ModeIdIndex, XGI_Pr ) ; + if(!temp) { + printk(KERN_ERR "Could not find mode %x\n", ModeNo); + return 65000; + } + + RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex; + RefreshRateTableIndex += (rateindex - 1); + +*/ + ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK; + if(HwDeviceExtension->jChipType < XGI_315H) { + ClockIndex &= 0x3F; + } + Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000 ; + + return(Clock); +} + +int +XGIfb_mode_rate_to_ddata(VB_DEVICE_INFO *XGI_Pr, PXGI_HW_DEVICE_INFO HwDeviceExtension, + unsigned char modeno, unsigned char rateindex, + u32 *left_margin, u32 *right_margin, + u32 *upper_margin, u32 *lower_margin, + u32 *hsync_len, u32 *vsync_len, + u32 *sync, u32 *vmode) +{ + USHORT ModeNo = modeno; + USHORT ModeIdIndex = 0, index = 0; + USHORT RefreshRateTableIndex = 0; + + unsigned short VRE, VBE, VRS, VBS, VDE, VT; + unsigned short HRE, HBE, HRS, HBS, HDE, HT; + unsigned char sr_data, cr_data, cr_data2; + unsigned long cr_data3; + int A, B, C, D, E, F, temp, j; + XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase; + InitTo330Pointer( HwDeviceExtension->jChipType, XGI_Pr ) ; + RefreshRateTableIndex = XGI_GetRatePtrCRT2( HwDeviceExtension, ModeNo , ModeIdIndex, XGI_Pr ) ; +/* + temp = XGI_SearchModeID( ModeNo, &ModeIdIndex, XGI_Pr); + if(!temp) return 0; + + RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex; + RefreshRateTableIndex += (rateindex - 1); +*/ + index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC; + + sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5]; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0]; + + /* Horizontal total */ + HT = (cr_data & 0xff) | + ((unsigned short) (sr_data & 0x03) << 8); + A = HT + 5; + + /*cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1]; + + Horizontal display enable end + HDE = (cr_data & 0xff) | + ((unsigned short) (sr_data & 0x0C) << 6);*/ + HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) -1; + E = HDE + 1; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3]; + + /* Horizontal retrace (=sync) start */ + HRS = (cr_data & 0xff) | + ((unsigned short) (sr_data & 0xC0) << 2); + F = HRS - E - 3; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1]; + + /* Horizontal blank start */ + HBS = (cr_data & 0xff) | + ((unsigned short) (sr_data & 0x30) << 4); + + sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6]; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2]; + + cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4]; + + /* Horizontal blank end */ + HBE = (cr_data & 0x1f) | + ((unsigned short) (cr_data2 & 0x80) >> 2) | + ((unsigned short) (sr_data & 0x03) << 6); + + /* Horizontal retrace (=sync) end */ + HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3); + + temp = HBE - ((E - 1) & 255); + B = (temp > 0) ? temp : (temp + 256); + + temp = HRE - ((E + F + 3) & 63); + C = (temp > 0) ? temp : (temp + 64); + + D = B - F - C; + + *left_margin = D * 8; + *right_margin = F * 8; + *hsync_len = C * 8; + + sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14]; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8]; + + cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9]; + + /* Vertical total */ + VT = (cr_data & 0xFF) | + ((unsigned short) (cr_data2 & 0x01) << 8) | + ((unsigned short)(cr_data2 & 0x20) << 4) | + ((unsigned short) (sr_data & 0x01) << 10); + A = VT + 2; + + //cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; + + /* Vertical display enable end */ +/* VDE = (cr_data & 0xff) | + ((unsigned short) (cr_data2 & 0x02) << 7) | + ((unsigned short) (cr_data2 & 0x40) << 3) | + ((unsigned short) (sr_data & 0x02) << 9); */ + VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes -1; + E = VDE + 1; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; + + /* Vertical retrace (=sync) start */ + VRS = (cr_data & 0xff) | + ((unsigned short) (cr_data2 & 0x04) << 6) | + ((unsigned short) (cr_data2 & 0x80) << 2) | + ((unsigned short) (sr_data & 0x08) << 7); + F = VRS + 1 - E; + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12]; + + cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5; + + /* Vertical blank start */ + VBS = (cr_data & 0xff) | + ((unsigned short) (cr_data2 & 0x08) << 5) | + ((unsigned short) (cr_data3 & 0x20) << 4) | + ((unsigned short) (sr_data & 0x04) << 8); + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13]; + + /* Vertical blank end */ + VBE = (cr_data & 0xff) | + ((unsigned short) (sr_data & 0x10) << 4); + temp = VBE - ((E - 1) & 511); + B = (temp > 0) ? temp : (temp + 512); + + cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11]; + + /* Vertical retrace (=sync) end */ + VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1); + temp = VRE - ((E + F - 1) & 31); + C = (temp > 0) ? temp : (temp + 32); + + D = B - F - C; + + *upper_margin = D; + *lower_margin = F; + *vsync_len = C; + + if(XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000) + *sync &= ~FB_SYNC_VERT_HIGH_ACT; + else + *sync |= FB_SYNC_VERT_HIGH_ACT; + + if(XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000) + *sync &= ~FB_SYNC_HOR_HIGH_ACT; + else + *sync |= FB_SYNC_HOR_HIGH_ACT; + + *vmode = FB_VMODE_NONINTERLACED; + if(XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080) + *vmode = FB_VMODE_INTERLACED; + else { + j = 0; + while(XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) { + if(XGI_Pr->EModeIDTable[j].Ext_ModeID == + XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) { + if(XGI_Pr->EModeIDTable[j].Ext_ModeFlag & DoubleScanMode) { + *vmode = FB_VMODE_DOUBLE; + } + break; + } + j++; + } + } + +#if 0 /* That's bullshit, only the resolution needs to be shifted */ + if((*vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + *upper_margin <<= 1; + *lower_margin <<= 1; + *vsync_len <<= 1; + } else if((*vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + *upper_margin >>= 1; + *lower_margin >>= 1; + *vsync_len >>= 1; + } +#endif + + return 1; +} + +#endif + + + +void XGIRegInit(VB_DEVICE_INFO *XGI_Pr, ULONG BaseAddr) +{ + XGI_Pr->RelIO = BaseAddr; + XGI_Pr->P3c4 = BaseAddr + 0x14; + XGI_Pr->P3d4 = BaseAddr + 0x24; + XGI_Pr->P3c0 = BaseAddr + 0x10; + XGI_Pr->P3ce = BaseAddr + 0x1e; + XGI_Pr->P3c2 = BaseAddr + 0x12; + XGI_Pr->P3ca = BaseAddr + 0x1a; + XGI_Pr->P3c6 = BaseAddr + 0x16; + XGI_Pr->P3c7 = BaseAddr + 0x17; + XGI_Pr->P3c8 = BaseAddr + 0x18; + XGI_Pr->P3c9 = BaseAddr + 0x19; + XGI_Pr->P3da = BaseAddr + 0x2A; + XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04; /* Digital video interface registers (LCD) */ + XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10; /* 301 TV Encoder registers */ + XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12; /* 301 Macrovision registers */ + XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14; /* 301 VGA2 (and LCD) registers */ + XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14+2; /* 301 palette address port registers */ + +} + + +void XGIfb_set_reg4(u16 port, unsigned long data) +{ + outl((u32) (data & 0xffffffff), port); +} + +u32 XGIfb_get_reg3(u16 port) +{ + u32 data; + + data = inl(port); + return (data); +} + +/* ------------ Interface for init & mode switching code ------------- */ + +BOOLEAN +XGIfb_query_VGA_config_space(PXGI_HW_DEVICE_INFO pXGIhw_ext, + unsigned long offset, unsigned long set, unsigned long *value) +{ + static struct pci_dev *pdev = NULL; + static unsigned char init = 0, valid_pdev = 0; + + if (!set) + DPRINTK("XGIfb: Get VGA offset 0x%lx\n", offset); + else + DPRINTK("XGIfb: Set offset 0x%lx to 0x%lx\n", offset, *value); + + if (!init) { + init = TRUE; + pdev = pci_get_device(PCI_VENDOR_ID_XG, xgi_video_info.chip_id, pdev); + if (pdev) { + valid_pdev = TRUE; + pci_dev_put(pdev); + } + } + + if (!valid_pdev) { + printk(KERN_DEBUG "XGIfb: Can't find XGI %d VGA device.\n", + xgi_video_info.chip_id); + return FALSE; + } + + if (set == 0) + pci_read_config_dword(pdev, offset, (u32 *)value); + else + pci_write_config_dword(pdev, offset, (u32)(*value)); + + return TRUE; +} + +/*BOOLEAN XGIfb_query_north_bridge_space(PXGI_HW_DEVICE_INFO pXGIhw_ext, + unsigned long offset, unsigned long set, unsigned long *value) +{ + static struct pci_dev *pdev = NULL; + static unsigned char init = 0, valid_pdev = 0; + u16 nbridge_id = 0; + + if (!init) { + init = TRUE; + switch (xgi_video_info.chip) { + case XGI_540: + nbridge_id = PCI_DEVICE_ID_XG_540; + break; + case XGI_630: + nbridge_id = PCI_DEVICE_ID_XG_630; + break; + case XGI_730: + nbridge_id = PCI_DEVICE_ID_XG_730; + break; + case XGI_550: + nbridge_id = PCI_DEVICE_ID_XG_550; + break; + case XGI_650: + nbridge_id = PCI_DEVICE_ID_XG_650; + break; + case XGI_740: + nbridge_id = PCI_DEVICE_ID_XG_740; + break; + default: + nbridge_id = 0; + break; + } + + pdev = pci_find_device(PCI_VENDOR_ID_SI, nbridge_id, pdev); + if (pdev) + valid_pdev = TRUE; + } + + if (!valid_pdev) { + printk(KERN_DEBUG "XGIfb: Can't find XGI %d North Bridge device.\n", + nbridge_id); + return FALSE; + } + + if (set == 0) + pci_read_config_dword(pdev, offset, (u32 *)value); + else + pci_write_config_dword(pdev, offset, (u32)(*value)); + + return TRUE; +} +*/ +/* ------------------ Internal helper routines ----------------- */ + +static void XGIfb_search_mode(const char *name) +{ + int i = 0, j = 0, l; + + if(name == NULL) { + printk(KERN_ERR "XGIfb: Internal error, using default mode.\n"); + xgifb_mode_idx = DEFAULT_MODE; + if ((xgi_video_info.chip == XG21) && ((xgi_video_info.disp_state & DISPTYPE_DISP2) == DISPTYPE_LCD)) + { + xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx(); + } + return; + } + + + if (!strcmp(name, XGIbios_mode[MODE_INDEX_NONE].name)) { + printk(KERN_ERR "XGIfb: Mode 'none' not supported anymore. Using default.\n"); + xgifb_mode_idx = DEFAULT_MODE; + if ((xgi_video_info.chip == XG21) && ((xgi_video_info.disp_state & DISPTYPE_DISP2) == DISPTYPE_LCD)) + { + xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx(); + } + return; + } + + while(XGIbios_mode[i].mode_no != 0) { + l = min(strlen(name), strlen(XGIbios_mode[i].name)); + if (!strncmp(name, XGIbios_mode[i].name, l)) { + xgifb_mode_idx = i; + j = 1; + break; + } + i++; + } + if(!j) printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name); +} + +static void XGIfb_search_vesamode(unsigned int vesamode) +{ + int i = 0, j = 0; + + if(vesamode == 0) { + + printk(KERN_ERR "XGIfb: Mode 'none' not supported anymore. Using default.\n"); + xgifb_mode_idx = DEFAULT_MODE; + if ((xgi_video_info.chip == XG21) && ((xgi_video_info.disp_state & DISPTYPE_DISP2) == DISPTYPE_LCD)) + { + xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx(); + } + return; + } + + vesamode &= 0x1dff; /* Clean VESA mode number from other flags */ + + while(XGIbios_mode[i].mode_no != 0) { + if( (XGIbios_mode[i].vesa_mode_no_1 == vesamode) || + (XGIbios_mode[i].vesa_mode_no_2 == vesamode) ) { + xgifb_mode_idx = i; + j = 1; + break; + } + i++; + } + if(!j) printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode); +} + +int XGIfb_GetXG21LVDSData(void) +{ + u8 tmp; + unsigned char *pData; + int i,j,k; + + inXGIIDXREG(XGISR,0x1e,tmp); + outXGIIDXREG(XGISR, 0x1e, tmp|4); + + pData = xgi_video_info.mmio_vbase+0x20000; + if ((pData[0x0]==0x55) && (pData[0x1]==0xAA) && (pData[0x65] & 0x1)) + { + i = pData[ 0x316 ] | ( pData[ 0x317 ] << 8 ); + j = pData[ i-1 ] ; + if ( j == 0xff ) + { + j = 1; + } + k = 0; + do + { + XGI21_LCDCapList[k].LVDS_Capability = pData[ i ] | ( pData[ i + 1 ] << 8 ); + XGI21_LCDCapList[k].LVDSHT = pData[ i + 2 ] | ( pData[ i + 3 ] << 8 ) ; + XGI21_LCDCapList[k].LVDSVT = pData[ i + 4 ] | ( pData[ i + 5 ] << 8 ); + XGI21_LCDCapList[k].LVDSHDE = pData[ i + 6 ] | ( pData[ i + 7 ] << 8 ); + XGI21_LCDCapList[k].LVDSVDE = pData[ i + 8 ] | ( pData[ i + 9 ] << 8 ); + XGI21_LCDCapList[k].LVDSHFP = pData[ i + 10 ] | ( pData[ i + 11 ] << 8 ); + XGI21_LCDCapList[k].LVDSVFP = pData[ i + 12 ] | ( pData[ i + 13 ] << 8 ); + XGI21_LCDCapList[k].LVDSHSYNC = pData[ i + 14 ] | ( pData[ i + 15 ] << 8 ); + XGI21_LCDCapList[k].LVDSVSYNC = pData[ i + 16 ] | ( pData[ i + 17 ] << 8 ); + XGI21_LCDCapList[k].VCLKData1 = pData[ i + 18 ] ; + XGI21_LCDCapList[k].VCLKData2 = pData[ i + 19 ] ; + XGI21_LCDCapList[k].PSC_S1 = pData[ i + 20 ] ; + XGI21_LCDCapList[k].PSC_S2 = pData[ i + 21 ] ; + XGI21_LCDCapList[k].PSC_S3 = pData[ i + 22 ] ; + XGI21_LCDCapList[k].PSC_S4 = pData[ i + 23 ] ; + XGI21_LCDCapList[k].PSC_S5 = pData[ i + 24 ] ; + i += 25; + j--; + k++; + } while ( (j>0) && ( k < (sizeof(XGI21_LCDCapList)/sizeof(XGI21_LVDSCapStruct)) ) ); + return 1; + } + return 0; +} + +int XGIfb_GetXG21DefaultLVDSModeIdx(void) +{ + + int found_mode = 0; + int XGIfb_mode_idx = 0; + + found_mode = 0; + while( (XGIbios_mode[XGIfb_mode_idx].mode_no != 0) && + (XGIbios_mode[XGIfb_mode_idx].xres <= XGI21_LCDCapList[0].LVDSHDE) ) + { + if( (XGIbios_mode[XGIfb_mode_idx].xres == XGI21_LCDCapList[0].LVDSHDE) && + (XGIbios_mode[XGIfb_mode_idx].yres == XGI21_LCDCapList[0].LVDSVDE) && + (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) + { + XGIfb_mode_no = XGIbios_mode[XGIfb_mode_idx].mode_no; + found_mode = 1; + break; + } + XGIfb_mode_idx++; + } + if (!found_mode) + XGIfb_mode_idx = 0; + + return (XGIfb_mode_idx); +} + + +static int XGIfb_validate_mode(int myindex) +{ + u16 xres, yres; + + if (xgi_video_info.chip == XG21) + { + if ((xgi_video_info.disp_state & DISPTYPE_DISP2) == DISPTYPE_LCD) + { + xres = XGI21_LCDCapList[0].LVDSHDE; + yres = XGI21_LCDCapList[0].LVDSVDE; + if(XGIbios_mode[myindex].xres > xres) + return(-1); + if(XGIbios_mode[myindex].yres > yres) + return(-1); + if ((XGIbios_mode[myindex].xres < xres) && (XGIbios_mode[myindex].yres < yres) ) + { + if (XGIbios_mode[myindex].bpp > 8) + return(-1); + } + + } + return(myindex); + + } + + /* FIXME: for now, all is valid on XG27 */ + if (xgi_video_info.chip == XG27) + return(myindex); + + if(!(XGIbios_mode[myindex].chipset & MD_XGI315)) + return(-1); + + switch (xgi_video_info.disp_state & DISPTYPE_DISP2) { + case DISPTYPE_LCD: + switch (XGIhw_ext.ulCRT2LCDType) { + case LCD_640x480: + xres = 640; yres = 480; break; + case LCD_800x600: + xres = 800; yres = 600; break; + case LCD_1024x600: + xres = 1024; yres = 600; break; + case LCD_1024x768: + xres = 1024; yres = 768; break; + case LCD_1152x768: + xres = 1152; yres = 768; break; + case LCD_1280x960: + xres = 1280; yres = 960; break; + case LCD_1280x768: + xres = 1280; yres = 768; break; + case LCD_1280x1024: + xres = 1280; yres = 1024; break; + case LCD_1400x1050: + xres = 1400; yres = 1050; break; + case LCD_1600x1200: + xres = 1600; yres = 1200; break; +// case LCD_320x480: // TW: FSTN +// xres = 320; yres = 480; break; + default: + xres = 0; yres = 0; break; + } + if(XGIbios_mode[myindex].xres > xres) { + return(-1); + } + if(XGIbios_mode[myindex].yres > yres) { + return(-1); + } + if((XGIhw_ext.ulExternalChip == 0x01) || // LVDS + (XGIhw_ext.ulExternalChip == 0x05)) // LVDS+Chrontel + { + switch (XGIbios_mode[myindex].xres) { + case 512: + if(XGIbios_mode[myindex].yres != 512) return -1; + if(XGIhw_ext.ulCRT2LCDType == LCD_1024x600) return -1; + break; + case 640: + if((XGIbios_mode[myindex].yres != 400) && + (XGIbios_mode[myindex].yres != 480)) + return -1; + break; + case 800: + if(XGIbios_mode[myindex].yres != 600) return -1; + break; + case 1024: + if((XGIbios_mode[myindex].yres != 600) && + (XGIbios_mode[myindex].yres != 768)) + return -1; + if((XGIbios_mode[myindex].yres == 600) && + (XGIhw_ext.ulCRT2LCDType != LCD_1024x600)) + return -1; + break; + case 1152: + if((XGIbios_mode[myindex].yres) != 768) return -1; + if(XGIhw_ext.ulCRT2LCDType != LCD_1152x768) return -1; + break; + case 1280: + if((XGIbios_mode[myindex].yres != 768) && + (XGIbios_mode[myindex].yres != 1024)) + return -1; + if((XGIbios_mode[myindex].yres == 768) && + (XGIhw_ext.ulCRT2LCDType != LCD_1280x768)) + return -1; + break; + case 1400: + if(XGIbios_mode[myindex].yres != 1050) return -1; + break; + case 1600: + if(XGIbios_mode[myindex].yres != 1200) return -1; + break; + default: + return -1; + } + } else { + switch (XGIbios_mode[myindex].xres) { + case 512: + if(XGIbios_mode[myindex].yres != 512) return -1; + break; + case 640: + if((XGIbios_mode[myindex].yres != 400) && + (XGIbios_mode[myindex].yres != 480)) + return -1; + break; + case 800: + if(XGIbios_mode[myindex].yres != 600) return -1; + break; + case 1024: + if(XGIbios_mode[myindex].yres != 768) return -1; + break; + case 1280: + if((XGIbios_mode[myindex].yres != 960) && + (XGIbios_mode[myindex].yres != 1024)) + return -1; + if(XGIbios_mode[myindex].yres == 960) { + if(XGIhw_ext.ulCRT2LCDType == LCD_1400x1050) + return -1; + } + break; + case 1400: + if(XGIbios_mode[myindex].yres != 1050) return -1; + break; + case 1600: + if(XGIbios_mode[myindex].yres != 1200) return -1; + break; + default: + return -1; + } + } + break; + case DISPTYPE_TV: + switch (XGIbios_mode[myindex].xres) { + case 512: + case 640: + case 800: + break; + case 720: + if (xgi_video_info.TV_type == TVMODE_NTSC) { + if (XGIbios_mode[myindex].yres != 480) { + return(-1); + } + } else if (xgi_video_info.TV_type == TVMODE_PAL) { + if (XGIbios_mode[myindex].yres != 576) { + return(-1); + } + } + // TW: LVDS/CHRONTEL does not support 720 + if (xgi_video_info.hasVB == HASVB_LVDS_CHRONTEL || + xgi_video_info.hasVB == HASVB_CHRONTEL) { + return(-1); + } + break; + case 1024: + if (xgi_video_info.TV_type == TVMODE_NTSC) { + if(XGIbios_mode[myindex].bpp == 32) { + return(-1); + } + } + // TW: LVDS/CHRONTEL only supports < 800 (1024 on 650/Ch7019) + if (xgi_video_info.hasVB == HASVB_LVDS_CHRONTEL || + xgi_video_info.hasVB == HASVB_CHRONTEL) { + if(xgi_video_info.chip < XGI_315H) { + return(-1); + } + } + break; + default: + return(-1); + } + break; + case DISPTYPE_CRT2: + if(XGIbios_mode[myindex].xres > 1280) return -1; + break; + } + return(myindex); + +} + +static void XGIfb_search_crt2type(const char *name) +{ + int i = 0; + + if(name == NULL) + return; + + while(XGI_crt2type[i].type_no != -1) { + if (!strcmp(name, XGI_crt2type[i].name)) { + XGIfb_crt2type = XGI_crt2type[i].type_no; + XGIfb_tvplug = XGI_crt2type[i].tvplug_no; + break; + } + i++; + } + if(XGIfb_crt2type < 0) + printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name); +} + +static void XGIfb_search_queuemode(const char *name) +{ + int i = 0; + + if(name == NULL) + return; + + while (XGI_queuemode[i].type_no != -1) { + if (!strcmp(name, XGI_queuemode[i].name)) { + XGIfb_queuemode = XGI_queuemode[i].type_no; + break; + } + i++; + } + if (XGIfb_queuemode < 0) + printk(KERN_INFO "XGIfb: Invalid queuemode type: %s\n", name); +} + +static u8 XGIfb_search_refresh_rate(unsigned int rate) +{ + u16 xres, yres; + int i = 0; + + xres = XGIbios_mode[xgifb_mode_idx].xres; + yres = XGIbios_mode[xgifb_mode_idx].yres; + + XGIfb_rate_idx = 0; + while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) { + if ((XGIfb_vrate[i].xres == xres) && (XGIfb_vrate[i].yres == yres)) { + if (XGIfb_vrate[i].refresh == rate) { + XGIfb_rate_idx = XGIfb_vrate[i].idx; + break; + } else if (XGIfb_vrate[i].refresh > rate) { + if ((XGIfb_vrate[i].refresh - rate) <= 3) { + DPRINTK("XGIfb: Adjusting rate from %d up to %d\n", + rate, XGIfb_vrate[i].refresh); + XGIfb_rate_idx = XGIfb_vrate[i].idx; + xgi_video_info.refresh_rate = XGIfb_vrate[i].refresh; + } else if (((rate - XGIfb_vrate[i-1].refresh) <= 2) + && (XGIfb_vrate[i].idx != 1)) { + DPRINTK("XGIfb: Adjusting rate from %d down to %d\n", + rate, XGIfb_vrate[i-1].refresh); + XGIfb_rate_idx = XGIfb_vrate[i-1].idx; + xgi_video_info.refresh_rate = XGIfb_vrate[i-1].refresh; + } + break; + } else if((rate - XGIfb_vrate[i].refresh) <= 2) { + DPRINTK("XGIfb: Adjusting rate from %d down to %d\n", + rate, XGIfb_vrate[i].refresh); + XGIfb_rate_idx = XGIfb_vrate[i].idx; + break; + } + } + i++; + } + if (XGIfb_rate_idx > 0) { + return XGIfb_rate_idx; + } else { + printk(KERN_INFO + "XGIfb: Unsupported rate %d for %dx%d\n", rate, xres, yres); + return 0; + } +} + +static void XGIfb_search_tvstd(const char *name) +{ + int i = 0; + + if(name == NULL) + return; + + while (XGI_tvtype[i].type_no != -1) { + if (!strcmp(name, XGI_tvtype[i].name)) { + XGIfb_tvmode = XGI_tvtype[i].type_no; + break; + } + i++; + } +} + +static BOOLEAN XGIfb_bridgeisslave(void) +{ + unsigned char usScratchP1_00; + + if(xgi_video_info.hasVB == HASVB_NONE) return FALSE; + + inXGIIDXREG(XGIPART1,0x00,usScratchP1_00); + if( (usScratchP1_00 & 0x50) == 0x10) { + return TRUE; + } else { + return FALSE; + } +} + +static BOOLEAN XGIfbcheckvretracecrt1(void) +{ + unsigned char temp; + + inXGIIDXREG(XGICR,0x17,temp); + if(!(temp & 0x80)) return FALSE; + + + inXGIIDXREG(XGISR,0x1f,temp); + if(temp & 0xc0) return FALSE; + + + if(inXGIREG(XGIINPSTAT) & 0x08) return TRUE; + else return FALSE; +} + +static BOOLEAN XGIfbcheckvretracecrt2(void) +{ + unsigned char temp; + if(xgi_video_info.hasVB == HASVB_NONE) return FALSE; + inXGIIDXREG(XGIPART1, 0x30, temp); + if(temp & 0x02) return FALSE; + else return TRUE; +} + +static BOOLEAN XGIfb_CheckVBRetrace(void) +{ + if(xgi_video_info.disp_state & DISPTYPE_DISP2) { + if(XGIfb_bridgeisslave()) { + return(XGIfbcheckvretracecrt1()); + } else { + return(XGIfbcheckvretracecrt2()); + } + } + return(XGIfbcheckvretracecrt1()); +} + +/* ----------- FBDev related routines for all series ----------- */ + + +static void XGIfb_bpp_to_var(struct fb_var_screeninfo *var) +{ + switch(var->bits_per_pixel) { + case 8: + var->red.offset = var->green.offset = var->blue.offset = 0; + var->red.length = var->green.length = var->blue.length = 6; + xgi_video_info.video_cmap_len = 256; + break; + case 16: + var->red.offset = 11; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; + var->transp.offset = 0; + var->transp.length = 0; + xgi_video_info.video_cmap_len = 16; + break; + case 32: + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.offset = 24; + var->transp.length = 8; + xgi_video_info.video_cmap_len = 16; + break; + } +} + + + +static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, + struct fb_info *info) +{ + + unsigned int htotal = var->left_margin + var->xres + + var->right_margin + var->hsync_len; + unsigned int vtotal = var->upper_margin + var->yres + + var->lower_margin + var->vsync_len; +#if defined(__powerpc__) + u8 sr_data, cr_data; +#endif + unsigned int drate = 0, hrate = 0; + int found_mode = 0; + int old_mode; +// unsigned char reg,reg1; + + DEBUGPRN("Inside do_set_var"); +// printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres,var->upper_margin,var->lower_margin,var->vsync_len); + + info->var.xres_virtual = var->xres_virtual; + info->var.yres_virtual = var->yres_virtual; + info->var.bits_per_pixel = var->bits_per_pixel; + + if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) + vtotal <<= 1; + else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) + vtotal <<= 2; + else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) + { +// vtotal <<= 1; +// var->yres <<= 1; + } + + if(!htotal || !vtotal) { + DPRINTK("XGIfb: Invalid 'var' information\n"); + return -EINVAL; + } + printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n", + var->pixclock,htotal,vtotal); + + + + if(var->pixclock && htotal && vtotal) { + drate = 1000000000 / var->pixclock; + hrate = (drate * 1000) / htotal; + xgi_video_info.refresh_rate = (unsigned int) (hrate * 2 / vtotal); + } else { + xgi_video_info.refresh_rate = 60; + } + + printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n", + var->xres,var->yres,var->bits_per_pixel,xgi_video_info.refresh_rate); + + old_mode = xgifb_mode_idx; + xgifb_mode_idx = 0; + + while( (XGIbios_mode[xgifb_mode_idx].mode_no != 0) && + (XGIbios_mode[xgifb_mode_idx].xres <= var->xres) ) { + if( (XGIbios_mode[xgifb_mode_idx].xres == var->xres) && + (XGIbios_mode[xgifb_mode_idx].yres == var->yres) && + (XGIbios_mode[xgifb_mode_idx].bpp == var->bits_per_pixel)) { + XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no; + found_mode = 1; + break; + } + xgifb_mode_idx++; + } + + if(found_mode) + xgifb_mode_idx = XGIfb_validate_mode(xgifb_mode_idx); + else + xgifb_mode_idx = -1; + + if(xgifb_mode_idx < 0) { + printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n", var->xres, + var->yres, var->bits_per_pixel); + xgifb_mode_idx = old_mode; + return -EINVAL; + } + + if(XGIfb_search_refresh_rate(xgi_video_info.refresh_rate) == 0) { + XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx; + xgi_video_info.refresh_rate = 60; + } + + if(isactive) { + + + XGIfb_pre_setmode(); + if(XGISetModeNew( &XGIhw_ext, XGIfb_mode_no) == 0) { + printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n", XGIfb_mode_no); + return -EINVAL; + } + info->fix.line_length = ((info->var.xres_virtual * info->var.bits_per_pixel)>>6); + + outXGIIDXREG(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD); + + outXGIIDXREG(XGICR,0x13,(info->fix.line_length & 0x00ff)); + outXGIIDXREG(XGISR,0x0E,(info->fix.line_length & 0xff00)>>8); + + XGIfb_post_setmode(); + + DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d \n", + XGIbios_mode[xgifb_mode_idx].xres, + XGIbios_mode[xgifb_mode_idx].yres, + XGIbios_mode[xgifb_mode_idx].bpp, + xgi_video_info.refresh_rate); + + xgi_video_info.video_bpp = XGIbios_mode[xgifb_mode_idx].bpp; + xgi_video_info.video_vwidth = info->var.xres_virtual; + xgi_video_info.video_width = XGIbios_mode[xgifb_mode_idx].xres; + xgi_video_info.video_vheight = info->var.yres_virtual; + xgi_video_info.video_height = XGIbios_mode[xgifb_mode_idx].yres; + xgi_video_info.org_x = xgi_video_info.org_y = 0; + xgi_video_info.video_linelength = info->var.xres_virtual * (xgi_video_info.video_bpp >> 3); + xgi_video_info.accel = 0; + if(XGIfb_accel) { + xgi_video_info.accel = (var->accel_flags & FB_ACCELF_TEXT) ? -1 : 0; + } + switch(xgi_video_info.video_bpp) + { + case 8: + xgi_video_info.DstColor = 0x0000; + xgi_video_info.XGI310_AccelDepth = 0x00000000; + xgi_video_info.video_cmap_len = 256; +#if defined(__powerpc__) + inXGIIDXREG (XGICR, 0x4D, cr_data); + outXGIIDXREG(XGICR, 0x4D, (cr_data & 0xE0)); +#endif + break; + case 16: + xgi_video_info.DstColor = 0x8000; + xgi_video_info.XGI310_AccelDepth = 0x00010000; +#if defined(__powerpc__) + inXGIIDXREG (XGICR, 0x4D, cr_data); + outXGIIDXREG(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B)); +#endif + xgi_video_info.video_cmap_len = 16; + break; + case 32: + xgi_video_info.DstColor = 0xC000; + xgi_video_info.XGI310_AccelDepth = 0x00020000; + xgi_video_info.video_cmap_len = 16; +#if defined(__powerpc__) + inXGIIDXREG (XGICR, 0x4D, cr_data); + outXGIIDXREG(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15)); +#endif + break; + default: + xgi_video_info.video_cmap_len = 16; + printk(KERN_ERR "XGIfb: Unsupported depth %d", xgi_video_info.video_bpp); + xgi_video_info.accel = 0; + break; + } + } + XGIfb_bpp_to_var(var); /*update ARGB info*/ + DEBUGPRN("End of do_set_var"); + + dumpVGAReg(); + return 0; +} + +#ifdef XGIFB_PAN +static int XGIfb_pan_var(struct fb_var_screeninfo *var) +{ + unsigned int base; + +// printk("Inside pan_var"); + + if (var->xoffset > (var->xres_virtual - var->xres)) { +// printk( "Pan: xo: %d xv %d xr %d\n", +// var->xoffset, var->xres_virtual, var->xres); + return -EINVAL; + } + if(var->yoffset > (var->yres_virtual - var->yres)) { +// printk( "Pan: yo: %d yv %d yr %d\n", +// var->yoffset, var->yres_virtual, var->yres); + return -EINVAL; + } + base = var->yoffset * var->xres_virtual + var->xoffset; + + /* calculate base bpp dep. */ + switch(var->bits_per_pixel) { + case 16: + base >>= 1; + break; + case 32: + break; + case 8: + default: + base >>= 2; + break; + } + + outXGIIDXREG(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + + outXGIIDXREG(XGICR, 0x0D, base & 0xFF); + outXGIIDXREG(XGICR, 0x0C, (base >> 8) & 0xFF); + outXGIIDXREG(XGISR, 0x0D, (base >> 16) & 0xFF); + outXGIIDXREG(XGISR, 0x37, (base >> 24) & 0x03); + setXGIIDXREG(XGISR, 0x37, 0xDF, (base >> 21) & 0x04); + + if(xgi_video_info.disp_state & DISPTYPE_DISP2) { + orXGIIDXREG(XGIPART1, XGIfb_CRT2_write_enable, 0x01); + outXGIIDXREG(XGIPART1, 0x06, (base & 0xFF)); + outXGIIDXREG(XGIPART1, 0x05, ((base >> 8) & 0xFF)); + outXGIIDXREG(XGIPART1, 0x04, ((base >> 16) & 0xFF)); + setXGIIDXREG(XGIPART1, 0x02, 0x7F, ((base >> 24) & 0x01) << 7); + } +// printk("End of pan_var"); + return 0; +} +#endif + + +void XGI_dispinfo(struct ap_data *rec) +{ + rec->minfo.bpp = xgi_video_info.video_bpp; + rec->minfo.xres = xgi_video_info.video_width; + rec->minfo.yres = xgi_video_info.video_height; + rec->minfo.v_xres = xgi_video_info.video_vwidth; + rec->minfo.v_yres = xgi_video_info.video_vheight; + rec->minfo.org_x = xgi_video_info.org_x; + rec->minfo.org_y = xgi_video_info.org_y; + rec->minfo.vrate = xgi_video_info.refresh_rate; + rec->iobase = xgi_video_info.vga_base - 0x30; + rec->mem_size = xgi_video_info.video_size; + rec->disp_state = xgi_video_info.disp_state; + rec->version = (VER_MAJOR << 24) | (VER_MINOR << 16) | VER_LEVEL; + rec->hasVB = xgi_video_info.hasVB; + rec->TV_type = xgi_video_info.TV_type; + rec->TV_plug = xgi_video_info.TV_plug; + rec->chip = xgi_video_info.chip; +} + + + + +static int XGIfb_open(struct fb_info *info, int user) +{ + return 0; +} + +static int XGIfb_release(struct fb_info *info, int user) +{ + return 0; +} + +static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var) +{ + int rc = 16; + + switch(var->bits_per_pixel) { + case 8: + rc = 256; + break; + case 16: + rc = 16; + break; + case 32: + rc = 16; + break; + } + return rc; +} + +static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, + unsigned transp, struct fb_info *info) +{ + if (regno >= XGIfb_get_cmap_len(&info->var)) + return 1; + + switch (info->var.bits_per_pixel) { + case 8: + outXGIREG(XGIDACA, regno); + outXGIREG(XGIDACD, (red >> 10)); + outXGIREG(XGIDACD, (green >> 10)); + outXGIREG(XGIDACD, (blue >> 10)); + if (xgi_video_info.disp_state & DISPTYPE_DISP2) { + outXGIREG(XGIDAC2A, regno); + outXGIREG(XGIDAC2D, (red >> 8)); + outXGIREG(XGIDAC2D, (green >> 8)); + outXGIREG(XGIDAC2D, (blue >> 8)); + } + break; + case 16: + ((u32 *)(info->pseudo_palette))[regno] = + ((red & 0xf800)) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11); + break; + case 32: + red >>= 8; + green >>= 8; + blue >>= 8; + ((u32 *) (info->pseudo_palette))[regno] = + (red << 16) | (green << 8) | (blue); + break; + } + return 0; +} + +static int XGIfb_set_par(struct fb_info *info) +{ + int err; + +// printk("XGIfb: inside set_par\n"); + if((err = XGIfb_do_set_var(&info->var, 1, info))) + return err; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) + XGIfb_get_fix(&info->fix, info->currcon, info); +#else + XGIfb_get_fix(&info->fix, -1, info); +#endif +// printk("XGIfb:end of set_par\n"); + return 0; +} + +static int XGIfb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + unsigned int htotal = + var->left_margin + var->xres + var->right_margin + + var->hsync_len; + unsigned int vtotal = 0; + unsigned int drate = 0, hrate = 0; + int found_mode = 0; + int refresh_rate, search_idx; + + DEBUGPRN("Inside check_var"); + + if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) { + vtotal = var->upper_margin + var->yres + var->lower_margin + + var->vsync_len; + vtotal <<= 1; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + vtotal = var->upper_margin + var->yres + var->lower_margin + + var->vsync_len; + vtotal <<= 2; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + vtotal = var->upper_margin + (var->yres/2) + var->lower_margin + + var->vsync_len; + } else vtotal = var->upper_margin + var->yres + var->lower_margin + + var->vsync_len; + + if(!(htotal) || !(vtotal)) { + XGIFAIL("XGIfb: no valid timing data"); + } + + + if(var->pixclock && htotal && vtotal) { + drate = 1000000000 / var->pixclock; + hrate = (drate * 1000) / htotal; + xgi_video_info.refresh_rate = (unsigned int) (hrate * 2 / vtotal); + printk(KERN_DEBUG \ + "%s: pixclock = %d ,htotal=%d, vtotal=%d\n" \ + "%s: drate=%d, hrate=%d, refresh_rate=%d\n", + __func__,var->pixclock, htotal, vtotal, + __func__, drate, hrate, xgi_video_info.refresh_rate); + } else { + xgi_video_info.refresh_rate = 60; + } + +/* + if((var->pixclock) && (htotal)) { + drate = 1E12 / var->pixclock; + hrate = drate / htotal; + refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5); + } else refresh_rate = 60; +*/ + /* TW: Calculation wrong for 1024x600 - force it to 60Hz */ + if((var->xres == 1024) && (var->yres == 600)) refresh_rate = 60; + + search_idx = 0; + while((XGIbios_mode[search_idx].mode_no != 0) && + (XGIbios_mode[search_idx].xres <= var->xres) ) { + if((XGIbios_mode[search_idx].xres == var->xres) && + (XGIbios_mode[search_idx].yres == var->yres) && + (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) { + if(XGIfb_validate_mode(search_idx) > 0) { + found_mode = 1; + break; + } + } + search_idx++; + } + + if(!found_mode) { + + printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n", + var->xres, var->yres, var->bits_per_pixel); + + search_idx = 0; + while(XGIbios_mode[search_idx].mode_no != 0) { + + if( (var->xres <= XGIbios_mode[search_idx].xres) && + (var->yres <= XGIbios_mode[search_idx].yres) && + (var->bits_per_pixel == XGIbios_mode[search_idx].bpp) ) { + if(XGIfb_validate_mode(search_idx) > 0) { + found_mode = 1; + break; + } + } + search_idx++; + } + if(found_mode) { + var->xres = XGIbios_mode[search_idx].xres; + var->yres = XGIbios_mode[search_idx].yres; + printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n", + var->xres, var->yres, var->bits_per_pixel); + + } else { + printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n", + var->xres, var->yres, var->bits_per_pixel); + return -EINVAL; + } + } + + /* TW: TODO: Check the refresh rate */ + + /* Adapt RGB settings */ + XGIfb_bpp_to_var(var); + + /* Sanity check for offsets */ + if (var->xoffset < 0) + var->xoffset = 0; + if (var->yoffset < 0) + var->yoffset = 0; + + + if(!XGIfb_ypan) { + if(var->xres != var->xres_virtual) + var->xres_virtual = var->xres; + if(var->yres != var->yres_virtual) + var->yres_virtual = var->yres; + }/* else { + // TW: Now patch yres_virtual if we use panning + // May I do this? + var->yres_virtual = xgi_video_info.heapstart / (var->xres * (var->bits_per_pixel >> 3)); + if(var->yres_virtual <= var->yres) { + // TW: Paranoia check + var->yres_virtual = var->yres; + } + }*/ + + /* Truncate offsets to maximum if too high */ + if (var->xoffset > var->xres_virtual - var->xres) + var->xoffset = var->xres_virtual - var->xres - 1; + + if (var->yoffset > var->yres_virtual - var->yres) + var->yoffset = var->yres_virtual - var->yres - 1; + + /* Set everything else to 0 */ + var->red.msb_right = + var->green.msb_right = + var->blue.msb_right = + var->transp.offset = var->transp.length = var->transp.msb_right = 0; + + DEBUGPRN("end of check_var"); + return 0; +} + +#ifdef XGIFB_PAN +static int XGIfb_pan_display( struct fb_var_screeninfo *var, + struct fb_info* info) +{ + int err; + +// printk("\nInside pan_display:"); + + if (var->xoffset > (var->xres_virtual - var->xres)) + return -EINVAL; + if (var->yoffset > (var->yres_virtual - var->yres)) + return -EINVAL; + + if (var->vmode & FB_VMODE_YWRAP) { + if (var->yoffset < 0 + || var->yoffset >= info->var.yres_virtual + || var->xoffset) return -EINVAL; + } else { + if (var->xoffset + info->var.xres > info->var.xres_virtual || + var->yoffset + info->var.yres > info->var.yres_virtual) + return -EINVAL; + } + + if((err = XGIfb_pan_var(var)) < 0) return err; + + info->var.xoffset = var->xoffset; + info->var.yoffset = var->yoffset; + if (var->vmode & FB_VMODE_YWRAP) + info->var.vmode |= FB_VMODE_YWRAP; + else + info->var.vmode &= ~FB_VMODE_YWRAP; + +// printk(" End of pan_display"); + return 0; +} +#endif + +#if 0 +static int XGIfb_mmap(struct fb_info *info, struct file *file, + struct vm_area_struct *vma) +{ + unsigned long start; + unsigned long off; + u32 len, mmio_off; + + DEBUGPRN("inside mmap"); + if(vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; + + off = vma->vm_pgoff << PAGE_SHIFT; + + start = (unsigned long) xgi_video_info.video_base; + len = PAGE_ALIGN((start & ~PAGE_MASK) + xgi_video_info.video_size); + start &= PAGE_MASK; +#if 0 + if (off >= len) { + off -= len; +#endif + /* By Jake Page: Treat mmap request with offset beyond heapstart + * as request for mapping the mmio area + */ + #if 1 + mmio_off = PAGE_ALIGN((start & ~PAGE_MASK) + xgi_video_info.heapstart); + if(off >= mmio_off) { + off -= mmio_off; + if(info->var.accel_flags) return -EINVAL; + + start = (unsigned long) xgi_video_info.mmio_base; + len = PAGE_ALIGN((start & ~PAGE_MASK) + XGIfb_mmio_size); + } + start &= PAGE_MASK; + #endif + if((vma->vm_end - vma->vm_start + off) > len) return -EINVAL; + + off += start; + vma->vm_pgoff = off >> PAGE_SHIFT; + vma->vm_flags |= VM_IO; /* by Jake Page; is that really needed? */ + +#if defined(__i386__) || defined(__x86_64__) + if (boot_cpu_data.x86 > 3) + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; +#endif + if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, vma->vm_end - vma->vm_start, + vma->vm_page_prot)) + return -EAGAIN; + + DEBUGPRN("end of mmap"); + return 0; +} +#endif +static int XGIfb_blank(int blank, struct fb_info *info) +{ + u8 reg; + + inXGIIDXREG(XGICR, 0x17, reg); + + if(blank > 0) + reg &= 0x7f; + else + reg |= 0x80; + + outXGIIDXREG(XGICR, 0x17, reg); + outXGIIDXREG(XGISR, 0x00, 0x01); /* Synchronous Reset */ + outXGIIDXREG(XGISR, 0x00, 0x03); /* End Reset */ + return(0); +} + + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15) +static int XGIfb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +#else +static int XGIfb_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg, + struct fb_info *info) +#endif + +{ + DEBUGPRN("inside ioctl"); + switch (cmd) { + case FBIO_ALLOC: + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + XGI_malloc((struct XGI_memreq *) arg); + break; + case FBIO_FREE: + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + XGI_free(*(unsigned long *) arg); + break; + case FBIOGET_HWCINFO: + { + unsigned long *hwc_offset = (unsigned long *) arg; + + if (XGIfb_caps & HW_CURSOR_CAP) + *hwc_offset = XGIfb_hwcursor_vbase - + (unsigned long) xgi_video_info.video_vbase; + else + *hwc_offset = 0; + + break; + } + case FBIOPUT_MODEINFO: + { + struct mode_info *x = (struct mode_info *)arg; + + xgi_video_info.video_bpp = x->bpp; + xgi_video_info.video_width = x->xres; + xgi_video_info.video_height = x->yres; + xgi_video_info.video_vwidth = x->v_xres; + xgi_video_info.video_vheight = x->v_yres; + xgi_video_info.org_x = x->org_x; + xgi_video_info.org_y = x->org_y; + xgi_video_info.refresh_rate = x->vrate; + xgi_video_info.video_linelength = xgi_video_info.video_vwidth * (xgi_video_info.video_bpp >> 3); + switch(xgi_video_info.video_bpp) { + case 8: + xgi_video_info.DstColor = 0x0000; + xgi_video_info.XGI310_AccelDepth = 0x00000000; + xgi_video_info.video_cmap_len = 256; + break; + case 16: + xgi_video_info.DstColor = 0x8000; + xgi_video_info.XGI310_AccelDepth = 0x00010000; + xgi_video_info.video_cmap_len = 16; + break; + case 32: + xgi_video_info.DstColor = 0xC000; + xgi_video_info.XGI310_AccelDepth = 0x00020000; + xgi_video_info.video_cmap_len = 16; + break; + default: + xgi_video_info.video_cmap_len = 16; + printk(KERN_ERR "XGIfb: Unsupported accel depth %d", xgi_video_info.video_bpp); + xgi_video_info.accel = 0; + break; + } + + break; + } + case FBIOGET_DISPINFO: + XGI_dispinfo((struct ap_data *)arg); + break; + case XGIFB_GET_INFO: /* TW: New for communication with X driver */ + { + XGIfb_info *x = (XGIfb_info *)arg; + + //x->XGIfb_id = XGIFB_ID; + x->XGIfb_version = VER_MAJOR; + x->XGIfb_revision = VER_MINOR; + x->XGIfb_patchlevel = VER_LEVEL; + x->chip_id = xgi_video_info.chip_id; + x->memory = xgi_video_info.video_size / 1024; + x->heapstart = xgi_video_info.heapstart / 1024; + x->fbvidmode = XGIfb_mode_no; + x->XGIfb_caps = XGIfb_caps; + x->XGIfb_tqlen = 512; /* yet unused */ + x->XGIfb_pcibus = xgi_video_info.pcibus; + x->XGIfb_pcislot = xgi_video_info.pcislot; + x->XGIfb_pcifunc = xgi_video_info.pcifunc; + x->XGIfb_lcdpdc = XGIfb_detectedpdc; + x->XGIfb_lcda = XGIfb_detectedlcda; + break; + } + case XGIFB_GET_VBRSTATUS: + { + unsigned long *vbrstatus = (unsigned long *) arg; + if(XGIfb_CheckVBRetrace()) *vbrstatus = 1; + else *vbrstatus = 0; + } + default: + return -EINVAL; + } + DEBUGPRN("end of ioctl"); + return 0; + +} + + + +/* ----------- FBDev related routines for all series ---------- */ + +static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con, + struct fb_info *info) +{ + DEBUGPRN("inside get_fix"); + memset(fix, 0, sizeof(struct fb_fix_screeninfo)); + + strcpy(fix->id, myid); + + fix->smem_start = xgi_video_info.video_base; + + fix->smem_len = xgi_video_info.video_size; + + +/* if((!XGIfb_mem) || (XGIfb_mem > (xgi_video_info.video_size/1024))) { + if (xgi_video_info.video_size > 0x1000000) { + fix->smem_len = 0xD00000; + } else if (xgi_video_info.video_size > 0x800000) + fix->smem_len = 0x800000; + else + fix->smem_len = 0x400000; + } else + fix->smem_len = XGIfb_mem * 1024; +*/ + fix->type = video_type; + fix->type_aux = 0; + if(xgi_video_info.video_bpp == 8) + fix->visual = FB_VISUAL_PSEUDOCOLOR; + else + fix->visual = FB_VISUAL_DIRECTCOLOR; + fix->xpanstep = 0; +#ifdef XGIFB_PAN + if(XGIfb_ypan) fix->ypanstep = 1; +#endif + fix->ywrapstep = 0; + fix->line_length = xgi_video_info.video_linelength; + fix->mmio_start = xgi_video_info.mmio_base; + fix->mmio_len = XGIfb_mmio_size; + if(xgi_video_info.chip >= XG40) + fix->accel = FB_ACCEL_XGI_XABRE; + else + fix->accel = FB_ACCEL_XGI_GLAMOUR_2; + + + DEBUGPRN("end of get_fix"); + return 0; +} + + +static struct fb_ops XGIfb_ops = { + .owner = THIS_MODULE, + .fb_open = XGIfb_open, + .fb_release = XGIfb_release, + .fb_check_var = XGIfb_check_var, + .fb_set_par = XGIfb_set_par, + .fb_setcolreg = XGIfb_setcolreg, +#ifdef XGIFB_PAN + .fb_pan_display = XGIfb_pan_display, +#endif + .fb_blank = XGIfb_blank, + .fb_fillrect = fbcon_XGI_fillrect, + .fb_copyarea = fbcon_XGI_copyarea, + .fb_imageblit = cfb_imageblit, +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15) + .fb_cursor = soft_cursor, +#endif + .fb_sync = fbcon_XGI_sync, + .fb_ioctl = XGIfb_ioctl, +// .fb_mmap = XGIfb_mmap, +}; + +/* ---------------- Chip generation dependent routines ---------------- */ + + +/* for XGI 315/550/650/740/330 */ + +static int XGIfb_get_dram_size(void) +{ + + u8 ChannelNum,tmp; + u8 reg = 0; + + /* xorg driver sets 32MB * 1 channel */ + if (xgi_video_info.chip == XG27) + outXGIIDXREG(XGISR, IND_XGI_DRAM_SIZE, 0x51); + + inXGIIDXREG(XGISR, IND_XGI_DRAM_SIZE, reg); + switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) { + case XGI_DRAM_SIZE_1MB: + xgi_video_info.video_size = 0x100000; + break; + case XGI_DRAM_SIZE_2MB: + xgi_video_info.video_size = 0x200000; + break; + case XGI_DRAM_SIZE_4MB: + xgi_video_info.video_size = 0x400000; + break; + case XGI_DRAM_SIZE_8MB: + xgi_video_info.video_size = 0x800000; + break; + case XGI_DRAM_SIZE_16MB: + xgi_video_info.video_size = 0x1000000; + break; + case XGI_DRAM_SIZE_32MB: + xgi_video_info.video_size = 0x2000000; + break; + case XGI_DRAM_SIZE_64MB: + xgi_video_info.video_size = 0x4000000; + break; + case XGI_DRAM_SIZE_128MB: + xgi_video_info.video_size = 0x8000000; + break; + case XGI_DRAM_SIZE_256MB: + xgi_video_info.video_size = 0x10000000; + break; + default: + return -1; + } + + tmp = (reg & 0x0c) >> 2; + switch(xgi_video_info.chip) + { + case XG20: + case XG21: + case XG27: + ChannelNum = 1; + break; + + case XG42: + if(reg & 0x04) + ChannelNum = 2; + else + ChannelNum = 1; + break; + + case XG45: + if(tmp == 1) + ChannelNum = 2; + else + if(tmp == 2) + ChannelNum = 3; + else + if(tmp == 3) + ChannelNum = 4; + else + ChannelNum = 1; + break; + + case XG40: + default: + if(tmp == 2) + ChannelNum = 2; + else + if(tmp == 3) + ChannelNum = 3; + else + ChannelNum = 1; + break; + } + + + xgi_video_info.video_size = xgi_video_info.video_size * ChannelNum; + //PLiad fixed for benchmarking and fb set + //xgi_video_info.video_size = 0x200000;//1024x768x16 + //xgi_video_info.video_size = 0x1000000;//benchmark + + printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",reg,xgi_video_info.video_size ,ChannelNum ); + return 0; + +} + +static void XGIfb_detect_VB(void) +{ + u8 cr32, temp=0; + + xgi_video_info.TV_plug = xgi_video_info.TV_type = 0; + + switch(xgi_video_info.hasVB) { + case HASVB_LVDS_CHRONTEL: + case HASVB_CHRONTEL: + break; + case HASVB_301: + case HASVB_302: +// XGI_Sense30x(); //Yi-Lin TV Sense? + break; + } + + inXGIIDXREG(XGICR, IND_XGI_SCRATCH_REG_CR32, cr32); + + if ((cr32 & XGI_CRT1) && !XGIfb_crt1off) + XGIfb_crt1off = 0; + else { + if (cr32 & 0x5F) + XGIfb_crt1off = 1; + else + XGIfb_crt1off = 0; + } + + if (XGIfb_crt2type != -1) + /* TW: Override with option */ + xgi_video_info.disp_state = XGIfb_crt2type; + else if (cr32 & XGI_VB_TV) + xgi_video_info.disp_state = DISPTYPE_TV; + else if (cr32 & XGI_VB_LCD) + xgi_video_info.disp_state = DISPTYPE_LCD; + else if (cr32 & XGI_VB_CRT2) + xgi_video_info.disp_state = DISPTYPE_CRT2; + else + xgi_video_info.disp_state = 0; + + if(XGIfb_tvplug != -1) + /* PR/TW: Override with option */ + xgi_video_info.TV_plug = XGIfb_tvplug; + else if (cr32 & XGI_VB_HIVISION) { + xgi_video_info.TV_type = TVMODE_HIVISION; + xgi_video_info.TV_plug = TVPLUG_SVIDEO; + } + else if (cr32 & XGI_VB_SVIDEO) + xgi_video_info.TV_plug = TVPLUG_SVIDEO; + else if (cr32 & XGI_VB_COMPOSITE) + xgi_video_info.TV_plug = TVPLUG_COMPOSITE; + else if (cr32 & XGI_VB_SCART) + xgi_video_info.TV_plug = TVPLUG_SCART; + + if(xgi_video_info.TV_type == 0) { + /* TW: PAL/NTSC changed for 650 */ + if((xgi_video_info.chip <= XGI_315PRO) || (xgi_video_info.chip >= XGI_330)) { + + inXGIIDXREG(XGICR, 0x38, temp); + if(temp & 0x10) + xgi_video_info.TV_type = TVMODE_PAL; + else + xgi_video_info.TV_type = TVMODE_NTSC; + + } else { + + inXGIIDXREG(XGICR, 0x79, temp); + if(temp & 0x20) + xgi_video_info.TV_type = TVMODE_PAL; + else + xgi_video_info.TV_type = TVMODE_NTSC; + } + } + + /* TW: Copy forceCRT1 option to CRT1off if option is given */ + if (XGIfb_forcecrt1 != -1) { + if (XGIfb_forcecrt1) XGIfb_crt1off = 0; + else XGIfb_crt1off = 1; + } +} + +static void XGIfb_get_VB_type(void) +{ + u8 reg; + + if (!XGIfb_has_VB()) { + inXGIIDXREG(XGICR, IND_XGI_SCRATCH_REG_CR37, reg); + switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) { + case XGI310_EXTERNAL_CHIP_LVDS: + xgi_video_info.hasVB = HASVB_LVDS; + break; + case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL: + xgi_video_info.hasVB = HASVB_LVDS_CHRONTEL; + break; + default: + break; + } + } +} + + +static int XGIfb_has_VB(void) +{ + u8 vb_chipid; + + inXGIIDXREG(XGIPART4, 0x00, vb_chipid); + switch (vb_chipid) { + case 0x01: + xgi_video_info.hasVB = HASVB_301; + break; + case 0x02: + xgi_video_info.hasVB = HASVB_302; + break; + default: + xgi_video_info.hasVB = HASVB_NONE; + return FALSE; + } + return TRUE; +} + + + +/* ------------------ Sensing routines ------------------ */ + +/* TW: Determine and detect attached devices on XGI30x */ +int +XGIDoSense(int tempbl, int tempbh, int tempcl, int tempch) +{ + int temp,i; + + outXGIIDXREG(XGIPART4,0x11,tempbl); + temp = tempbh | tempcl; + setXGIIDXREG(XGIPART4,0x10,0xe0,temp); + for(i=0; i<10; i++) XGI_LongWait(&XGI_Pr); + tempch &= 0x7f; + inXGIIDXREG(XGIPART4,0x03,temp); + temp ^= 0x0e; + temp &= tempch; + return(temp); +} + +void +XGI_Sense30x(void) +{ + u8 backupP4_0d; + u8 testsvhs_tempbl, testsvhs_tempbh; + u8 testsvhs_tempcl, testsvhs_tempch; + u8 testcvbs_tempbl, testcvbs_tempbh; + u8 testcvbs_tempcl, testcvbs_tempch; + u8 testvga2_tempbl, testvga2_tempbh; + u8 testvga2_tempcl, testvga2_tempch; + int myflag, result; + + inXGIIDXREG(XGIPART4,0x0d,backupP4_0d); + outXGIIDXREG(XGIPART4,0x0d,(backupP4_0d | 0x04)); + + + + testvga2_tempbh = 0x00; testvga2_tempbl = 0xd1; + testsvhs_tempbh = 0x00; testsvhs_tempbl = 0xb9; + testcvbs_tempbh = 0x00; testcvbs_tempbl = 0xb3; + if((XGIhw_ext.ujVBChipID != VB_CHIP_301) && + (XGIhw_ext.ujVBChipID != VB_CHIP_302)) { + testvga2_tempbh = 0x01; testvga2_tempbl = 0x90; + testsvhs_tempbh = 0x01; testsvhs_tempbl = 0x6b; + testcvbs_tempbh = 0x01; testcvbs_tempbl = 0x74; + if(XGIhw_ext.ujVBChipID == VB_CHIP_301LV || + XGIhw_ext.ujVBChipID == VB_CHIP_302LV) { + testvga2_tempbh = 0x00; testvga2_tempbl = 0x00; + testsvhs_tempbh = 0x02; testsvhs_tempbl = 0x00; + testcvbs_tempbh = 0x01; testcvbs_tempbl = 0x00; + } + } + if(XGIhw_ext.ujVBChipID != VB_CHIP_301LV && + XGIhw_ext.ujVBChipID != VB_CHIP_302LV) { + inXGIIDXREG(XGIPART4,0x01,myflag); + if(myflag & 0x04) { + testvga2_tempbh = 0x00; testvga2_tempbl = 0xfd; + testsvhs_tempbh = 0x00; testsvhs_tempbl = 0xdd; + testcvbs_tempbh = 0x00; testcvbs_tempbl = 0xee; + } + } + if((XGIhw_ext.ujVBChipID == VB_CHIP_301LV) || + (XGIhw_ext.ujVBChipID == VB_CHIP_302LV) ) { + testvga2_tempbh = 0x00; testvga2_tempbl = 0x00; + testvga2_tempch = 0x00; testvga2_tempcl = 0x00; + testsvhs_tempch = 0x04; testsvhs_tempcl = 0x08; + testcvbs_tempch = 0x08; testcvbs_tempcl = 0x08; + } else { + testvga2_tempch = 0x0e; testvga2_tempcl = 0x08; + testsvhs_tempch = 0x06; testsvhs_tempcl = 0x04; + testcvbs_tempch = 0x08; testcvbs_tempcl = 0x04; + } + + + if(testvga2_tempch || testvga2_tempcl || testvga2_tempbh || testvga2_tempbl) { + result = XGIDoSense(testvga2_tempbl, testvga2_tempbh, + testvga2_tempcl, testvga2_tempch); + if(result) { + printk(KERN_INFO "XGIfb: Detected secondary VGA connection\n"); + orXGIIDXREG(XGICR, 0x32, 0x10); + } + } + + result = XGIDoSense(testsvhs_tempbl, testsvhs_tempbh, + testsvhs_tempcl, testsvhs_tempch); + if(result) { + printk(KERN_INFO "XGIfb: Detected TV connected to SVHS output\n"); + /* TW: So we can be sure that there IS a SVHS output */ + xgi_video_info.TV_plug = TVPLUG_SVIDEO; + orXGIIDXREG(XGICR, 0x32, 0x02); + } + + if(!result) { + result = XGIDoSense(testcvbs_tempbl, testcvbs_tempbh, + testcvbs_tempcl, testcvbs_tempch); + if(result) { + printk(KERN_INFO "XGIfb: Detected TV connected to CVBS output\n"); + /* TW: So we can be sure that there IS a CVBS output */ + xgi_video_info.TV_plug = TVPLUG_COMPOSITE; + orXGIIDXREG(XGICR, 0x32, 0x01); + } + } + XGIDoSense(0, 0, 0, 0); + + outXGIIDXREG(XGIPART4,0x0d,backupP4_0d); +} + + + +/* ------------------------ Heap routines -------------------------- */ + +static int XGIfb_heap_init(void) +{ + XGI_OH *poh; + u8 temp=0; + + int agp_enabled = 1; + u32 agp_size; + unsigned long *cmdq_baseport = 0; + unsigned long *read_port = 0; + unsigned long *write_port = 0; + XGI_CMDTYPE cmd_type; +#ifndef AGPOFF + struct agp_kern_info *agp_info; + struct agp_memory *agp; + u32 agp_phys; +#endif + +/* TW: The heap start is either set manually using the "mem" parameter, or + * defaults as follows: + * -) If more than 16MB videoRAM available, let our heap start at 12MB. + * -) If more than 8MB videoRAM available, let our heap start at 8MB. + * -) If 4MB or less is available, let it start at 4MB. + * This is for avoiding a clash with X driver which uses the beginning + * of the videoRAM. To limit size of X framebuffer, use Option MaxXFBMem + * in XF86Config-4. + * The heap start can also be specified by parameter "mem" when starting the XGIfb + * driver. XGIfb mem=1024 lets heap starts at 1MB, etc. + */ + if ((!XGIfb_mem) || (XGIfb_mem > (xgi_video_info.video_size/1024))) { + if (xgi_video_info.video_size > 0x1000000) { + xgi_video_info.heapstart = 0xD00000; + } else if (xgi_video_info.video_size > 0x800000) { + xgi_video_info.heapstart = 0x800000; + } else { + xgi_video_info.heapstart = 0x400000; + } + } else { + xgi_video_info.heapstart = XGIfb_mem * 1024; + } + XGIfb_heap_start = + (unsigned long) (xgi_video_info.video_vbase + xgi_video_info.heapstart); + printk(KERN_INFO "XGIfb: Memory heap starting at %dK\n", + (int)(xgi_video_info.heapstart / 1024)); + + XGIfb_heap_end = (unsigned long) xgi_video_info.video_vbase + xgi_video_info.video_size; + XGIfb_heap_size = XGIfb_heap_end - XGIfb_heap_start; + + + + /* TW: Now initialize the 310 series' command queue mode. + * On 310/325, there are three queue modes available which + * are chosen by setting bits 7:5 in SR26: + * 1. MMIO queue mode (bit 5, 0x20). The hardware will keep + * track of the queue, the FIFO, command parsing and so + * on. This is the one comparable to the 300 series. + * 2. VRAM queue mode (bit 6, 0x40). In this case, one will + * have to do queue management himself. Register 0x85c4 will + * hold the location of the next free queue slot, 0x85c8 + * is the "queue read pointer" whose way of working is + * unknown to me. Anyway, this mode would require a + * translation of the MMIO commands to some kind of + * accelerator assembly and writing these commands + * to the memory location pointed to by 0x85c4. + * We will not use this, as nobody knows how this + * "assembly" works, and as it would require a complete + * re-write of the accelerator code. + * 3. AGP queue mode (bit 7, 0x80). Works as 2., but keeps the + * queue in AGP memory space. + * + * SR26 bit 4 is called "Bypass H/W queue". + * SR26 bit 1 is called "Enable Command Queue Auto Correction" + * SR26 bit 0 resets the queue + * Size of queue memory is encoded in bits 3:2 like this: + * 00 (0x00) 512K + * 01 (0x04) 1M + * 10 (0x08) 2M + * 11 (0x0C) 4M + * The queue location is to be written to 0x85C0. + * + */ + cmdq_baseport = (unsigned long *)(xgi_video_info.mmio_vbase + MMIO_QUEUE_PHYBASE); + write_port = (unsigned long *)(xgi_video_info.mmio_vbase + MMIO_QUEUE_WRITEPORT); + read_port = (unsigned long *)(xgi_video_info.mmio_vbase + MMIO_QUEUE_READPORT); + + DPRINTK("AGP base: 0x%p, read: 0x%p, write: 0x%p\n", cmdq_baseport, read_port, write_port); + + agp_size = COMMAND_QUEUE_AREA_SIZE; + +#ifndef AGPOFF + if (XGIfb_queuemode == AGP_CMD_QUEUE) { + agp_info = vmalloc(sizeof(*agp_info)); + memset((void*)agp_info, 0x00, sizeof(*agp_info)); + agp_copy_info(agp_info); + + agp_backend_acquire(); + + agp = agp_allocate_memory(COMMAND_QUEUE_AREA_SIZE/PAGE_SIZE, + AGP_NORMAL_MEMORY); + if (agp == NULL) { + DPRINTK("XGIfb: Allocating AGP buffer failed.\n"); + agp_enabled = 0; + } else { + if (agp_bind_memory(agp, agp->pg_start) != 0) { + DPRINTK("XGIfb: AGP: Failed to bind memory\n"); + /* TODO: Free AGP memory here */ + agp_enabled = 0; + } else { + agp_enable(0); + } + } + } +#else + agp_enabled = 0; +#endif + + /* TW: Now select the queue mode */ + + if ((agp_enabled) && (XGIfb_queuemode == AGP_CMD_QUEUE)) { + cmd_type = AGP_CMD_QUEUE; + printk(KERN_INFO "XGIfb: Using AGP queue mode\n"); +/* } else if (XGIfb_heap_size >= COMMAND_QUEUE_AREA_SIZE) */ + } else if (XGIfb_queuemode == VM_CMD_QUEUE) { + cmd_type = VM_CMD_QUEUE; + printk(KERN_INFO "XGIfb: Using VRAM queue mode\n"); + } else { + printk(KERN_INFO "XGIfb: Using MMIO queue mode\n"); + cmd_type = MMIO_CMD; + } + + switch (agp_size) { + case 0x80000: + temp = XGI_CMD_QUEUE_SIZE_512k; + break; + case 0x100000: + temp = XGI_CMD_QUEUE_SIZE_1M; + break; + case 0x200000: + temp = XGI_CMD_QUEUE_SIZE_2M; + break; + case 0x400000: + temp = XGI_CMD_QUEUE_SIZE_4M; + break; + } + + switch (cmd_type) { + case AGP_CMD_QUEUE: +#ifndef AGPOFF + DPRINTK("XGIfb: AGP buffer base = 0x%lx, offset = 0x%x, size = %dK\n", + agp_info->aper_base, agp->physical, agp_size/1024); + + agp_phys = agp_info->aper_base + agp->physical; + + outXGIIDXREG(XGICR, IND_XGI_AGP_IO_PAD, 0); + outXGIIDXREG(XGICR, IND_XGI_AGP_IO_PAD, XGI_AGP_2X); + + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_THRESHOLD, COMMAND_QUEUE_THRESHOLD); + + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, XGI_CMD_QUEUE_RESET); + + *write_port = *read_port; + + temp |= XGI_AGP_CMDQUEUE_ENABLE; + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, temp); + + *cmdq_baseport = agp_phys; + + XGIfb_caps |= AGP_CMD_QUEUE_CAP; +#endif + break; + + case VM_CMD_QUEUE: + XGIfb_heap_end -= COMMAND_QUEUE_AREA_SIZE; + XGIfb_heap_size -= COMMAND_QUEUE_AREA_SIZE; + + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_THRESHOLD, COMMAND_QUEUE_THRESHOLD); + + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, XGI_CMD_QUEUE_RESET); + + *write_port = *read_port; + + temp |= XGI_VRAM_CMDQUEUE_ENABLE; + outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, temp); + + *cmdq_baseport = xgi_video_info.video_size - COMMAND_QUEUE_AREA_SIZE; + + XGIfb_caps |= VM_CMD_QUEUE_CAP; + + DPRINTK("XGIfb: VM Cmd Queue offset = 0x%lx, size is %dK\n", + *cmdq_baseport, COMMAND_QUEUE_AREA_SIZE/1024); + break; + + default: /* MMIO */ + +// printk("%s:%d - I'm here\n", __FUNCTION__, __LINE__); + /* TW: This previously only wrote XGI_MMIO_CMD_ENABLE + * to IND_XGI_CMDQUEUE_SET. I doubt that this is + * enough. Reserve memory in any way. + */ +// FIXME XGIfb_heap_end -= COMMAND_QUEUE_AREA_SIZE; +// FIXME XGIfb_heap_size -= COMMAND_QUEUE_AREA_SIZE; +// FIXME +// FIXME outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_THRESHOLD, COMMAND_QUEUE_THRESHOLD); +// FIXME outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, XGI_CMD_QUEUE_RESET); +// FIXME +// FIXME *write_port = *read_port; +// FIXME +// FIXME /* TW: Set Auto_Correction bit */ +// FIXME temp |= (XGI_MMIO_CMD_ENABLE | XGI_CMD_AUTO_CORR); +// FIXME // FIXME outXGIIDXREG(XGISR, IND_XGI_CMDQUEUE_SET, temp); +// FIXME +// FIXME *cmdq_baseport = xgi_video_info.video_size - COMMAND_QUEUE_AREA_SIZE; +// FIXME +// FIXME XGIfb_caps |= MMIO_CMD_QUEUE_CAP; +// FIXME +// FIXME DPRINTK("XGIfb: MMIO Cmd Queue offset = 0x%lx, size is %dK\n", +// FIXME *cmdq_baseport, COMMAND_QUEUE_AREA_SIZE/1024); + break; + } + + + + + /* TW: Now reserve memory for the HWCursor. It is always located at the very + top of the videoRAM, right below the TB memory area (if used). */ + if (XGIfb_heap_size >= XGIfb_hwcursor_size) { + XGIfb_heap_end -= XGIfb_hwcursor_size; + XGIfb_heap_size -= XGIfb_hwcursor_size; + XGIfb_hwcursor_vbase = XGIfb_heap_end; + + XGIfb_caps |= HW_CURSOR_CAP; + + DPRINTK("XGIfb: Hardware Cursor start at 0x%lx, size is %dK\n", + XGIfb_heap_end, XGIfb_hwcursor_size/1024); + } + + XGIfb_heap.poha_chain = NULL; + XGIfb_heap.poh_freelist = NULL; + + poh = XGIfb_poh_new_node(); + + if(poh == NULL) return 1; + + poh->poh_next = &XGIfb_heap.oh_free; + poh->poh_prev = &XGIfb_heap.oh_free; + poh->size = XGIfb_heap_end - XGIfb_heap_start + 1; + poh->offset = XGIfb_heap_start - (unsigned long) xgi_video_info.video_vbase; + + DPRINTK("XGIfb: Heap start:0x%p, end:0x%p, len=%dk\n", + (char *) XGIfb_heap_start, (char *) XGIfb_heap_end, + (unsigned int) poh->size / 1024); + + DPRINTK("XGIfb: First Node offset:0x%x, size:%dk\n", + (unsigned int) poh->offset, (unsigned int) poh->size / 1024); + + XGIfb_heap.oh_free.poh_next = poh; + XGIfb_heap.oh_free.poh_prev = poh; + XGIfb_heap.oh_free.size = 0; + XGIfb_heap.max_freesize = poh->size; + + XGIfb_heap.oh_used.poh_next = &XGIfb_heap.oh_used; + XGIfb_heap.oh_used.poh_prev = &XGIfb_heap.oh_used; + XGIfb_heap.oh_used.size = SENTINEL; + + return 0; +} + +static XGI_OH *XGIfb_poh_new_node(void) +{ + int i; + unsigned long cOhs; + XGI_OHALLOC *poha; + XGI_OH *poh; + + if (XGIfb_heap.poh_freelist == NULL) { + poha = kmalloc(OH_ALLOC_SIZE, GFP_KERNEL); + if(!poha) return NULL; + + poha->poha_next = XGIfb_heap.poha_chain; + XGIfb_heap.poha_chain = poha; + + cOhs = (OH_ALLOC_SIZE - sizeof(XGI_OHALLOC)) / sizeof(XGI_OH) + 1; + + poh = &poha->aoh[0]; + for (i = cOhs - 1; i != 0; i--) { + poh->poh_next = poh + 1; + poh = poh + 1; + } + + poh->poh_next = NULL; + XGIfb_heap.poh_freelist = &poha->aoh[0]; + } + + poh = XGIfb_heap.poh_freelist; + XGIfb_heap.poh_freelist = poh->poh_next; + + return (poh); +} + +static XGI_OH *XGIfb_poh_allocate(unsigned long size) +{ + XGI_OH *pohThis; + XGI_OH *pohRoot; + int bAllocated = 0; + + if (size > XGIfb_heap.max_freesize) { + DPRINTK("XGIfb: Can't allocate %dk size on offscreen\n", + (unsigned int) size / 1024); + return (NULL); + } + + pohThis = XGIfb_heap.oh_free.poh_next; + + while (pohThis != &XGIfb_heap.oh_free) { + if (size <= pohThis->size) { + bAllocated = 1; + break; + } + pohThis = pohThis->poh_next; + } + + if (!bAllocated) { + DPRINTK("XGIfb: Can't allocate %dk size on offscreen\n", + (unsigned int) size / 1024); + return (NULL); + } + + if (size == pohThis->size) { + pohRoot = pohThis; + XGIfb_delete_node(pohThis); + } else { + pohRoot = XGIfb_poh_new_node(); + + if (pohRoot == NULL) { + return (NULL); + } + + pohRoot->offset = pohThis->offset; + pohRoot->size = size; + + pohThis->offset += size; + pohThis->size -= size; + } + + XGIfb_heap.max_freesize -= size; + + pohThis = &XGIfb_heap.oh_used; + XGIfb_insert_node(pohThis, pohRoot); + + return (pohRoot); +} + +static void XGIfb_delete_node(XGI_OH *poh) +{ + XGI_OH *poh_prev; + XGI_OH *poh_next; + + poh_prev = poh->poh_prev; + poh_next = poh->poh_next; + + poh_prev->poh_next = poh_next; + poh_next->poh_prev = poh_prev; + +} + +static void XGIfb_insert_node(XGI_OH *pohList, XGI_OH *poh) +{ + XGI_OH *pohTemp; + + pohTemp = pohList->poh_next; + + pohList->poh_next = poh; + pohTemp->poh_prev = poh; + + poh->poh_prev = pohList; + poh->poh_next = pohTemp; +} + +static XGI_OH *XGIfb_poh_free(unsigned long base) +{ + XGI_OH *pohThis; + XGI_OH *poh_freed; + XGI_OH *poh_prev; + XGI_OH *poh_next; + unsigned long ulUpper; + unsigned long ulLower; + int foundNode = 0; + + poh_freed = XGIfb_heap.oh_used.poh_next; + + while(poh_freed != &XGIfb_heap.oh_used) { + if(poh_freed->offset == base) { + foundNode = 1; + break; + } + + poh_freed = poh_freed->poh_next; + } + + if (!foundNode) return (NULL); + + XGIfb_heap.max_freesize += poh_freed->size; + + poh_prev = poh_next = NULL; + ulUpper = poh_freed->offset + poh_freed->size; + ulLower = poh_freed->offset; + + pohThis = XGIfb_heap.oh_free.poh_next; + + while (pohThis != &XGIfb_heap.oh_free) { + if (pohThis->offset == ulUpper) { + poh_next = pohThis; + } + else if ((pohThis->offset + pohThis->size) == + ulLower) { + poh_prev = pohThis; + } + pohThis = pohThis->poh_next; + } + + XGIfb_delete_node(poh_freed); + + if (poh_prev && poh_next) { + poh_prev->size += (poh_freed->size + poh_next->size); + XGIfb_delete_node(poh_next); + XGIfb_free_node(poh_freed); + XGIfb_free_node(poh_next); + return (poh_prev); + } + + if (poh_prev) { + poh_prev->size += poh_freed->size; + XGIfb_free_node(poh_freed); + return (poh_prev); + } + + if (poh_next) { + poh_next->size += poh_freed->size; + poh_next->offset = poh_freed->offset; + XGIfb_free_node(poh_freed); + return (poh_next); + } + + XGIfb_insert_node(&XGIfb_heap.oh_free, poh_freed); + + return (poh_freed); +} + +static void XGIfb_free_node(XGI_OH *poh) +{ + if(poh == NULL) return; + + poh->poh_next = XGIfb_heap.poh_freelist; + XGIfb_heap.poh_freelist = poh; + +} + +void XGI_malloc(struct XGI_memreq *req) +{ + XGI_OH *poh; + + poh = XGIfb_poh_allocate(req->size); + + if(poh == NULL) { + req->offset = 0; + req->size = 0; + DPRINTK("XGIfb: Video RAM allocation failed\n"); + } else { + DPRINTK("XGIfb: Video RAM allocation succeeded: 0x%p\n", + (char *) (poh->offset + (unsigned long) xgi_video_info.video_vbase)); + + req->offset = poh->offset; + req->size = poh->size; + } + +} + +void XGI_free(unsigned long base) +{ + XGI_OH *poh; + + poh = XGIfb_poh_free(base); + + if(poh == NULL) { + DPRINTK("XGIfb: XGIfb_poh_free() failed at base 0x%x\n", + (unsigned int) base); + } +} + +/* --------------------- SetMode routines ------------------------- */ + +static void XGIfb_pre_setmode(void) +{ + u8 cr30 = 0, cr31 = 0; + + inXGIIDXREG(XGICR, 0x31, cr31); + cr31 &= ~0x60; + + switch (xgi_video_info.disp_state & DISPTYPE_DISP2) { + case DISPTYPE_CRT2: + cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= XGI_DRIVER_MODE; + break; + case DISPTYPE_LCD: + cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= XGI_DRIVER_MODE; + break; + case DISPTYPE_TV: + if (xgi_video_info.TV_type == TVMODE_HIVISION) + cr30 = (XGI_VB_OUTPUT_HIVISION | XGI_SIMULTANEOUS_VIEW_ENABLE); + else if (xgi_video_info.TV_plug == TVPLUG_SVIDEO) + cr30 = (XGI_VB_OUTPUT_SVIDEO | XGI_SIMULTANEOUS_VIEW_ENABLE); + else if (xgi_video_info.TV_plug == TVPLUG_COMPOSITE) + cr30 = (XGI_VB_OUTPUT_COMPOSITE | XGI_SIMULTANEOUS_VIEW_ENABLE); + else if (xgi_video_info.TV_plug == TVPLUG_SCART) + cr30 = (XGI_VB_OUTPUT_SCART | XGI_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= XGI_DRIVER_MODE; + + if (XGIfb_tvmode == 1 || xgi_video_info.TV_type == TVMODE_PAL) + cr31 |= 0x01; + else + cr31 &= ~0x01; + break; + default: /* disable CRT2 */ + cr30 = 0x00; + cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE); + } + + outXGIIDXREG(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30); + outXGIIDXREG(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31); + outXGIIDXREG(XGICR, IND_XGI_SCRATCH_REG_CR33, (XGIfb_rate_idx & 0x0F)); + + if(xgi_video_info.accel) XGIfb_syncaccel(); + + +} + +static void XGIfb_post_setmode(void) +{ + u8 reg; + BOOLEAN doit = TRUE; +#if 0 /* TW: Wrong: Is not in MMIO space, but in RAM */ + /* Backup mode number to MMIO space */ + if(xgi_video_info.mmio_vbase) { + *(volatile u8 *)(((u8*)xgi_video_info.mmio_vbase) + 0x449) = (unsigned char)XGIfb_mode_no; + } +#endif +/* outXGIIDXREG(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD); + outXGIIDXREG(XGICR,0x13,0x00); + setXGIIDXREG(XGISR,0x0E,0xF0,0x01); +*test**/ + if (xgi_video_info.video_bpp == 8) { + /* TW: We can't switch off CRT1 on LVDS/Chrontel in 8bpp Modes */ + if ((xgi_video_info.hasVB == HASVB_LVDS) || (xgi_video_info.hasVB == HASVB_LVDS_CHRONTEL)) { + doit = FALSE; + } + /* TW: We can't switch off CRT1 on 301B-DH in 8bpp Modes if using LCD */ + if (xgi_video_info.disp_state & DISPTYPE_LCD) { + doit = FALSE; + } + } + + /* TW: We can't switch off CRT1 if bridge is in slave mode */ + if(xgi_video_info.hasVB != HASVB_NONE) { + inXGIIDXREG(XGIPART1, 0x00, reg); + + + if((reg & 0x50) == 0x10) { + doit = FALSE; + } + + } else XGIfb_crt1off = 0; + + inXGIIDXREG(XGICR, 0x17, reg); + if((XGIfb_crt1off) && (doit)) + reg &= ~0x80; + else + reg |= 0x80; + outXGIIDXREG(XGICR, 0x17, reg); + + andXGIIDXREG(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04); + + if((xgi_video_info.disp_state & DISPTYPE_TV) && (xgi_video_info.hasVB == HASVB_301)) { + + inXGIIDXREG(XGIPART4, 0x01, reg); + + if(reg < 0xB0) { /* Set filter for XGI301 */ + + switch (xgi_video_info.video_width) { + case 320: + filter_tb = (xgi_video_info.TV_type == TVMODE_NTSC) ? 4 : 12; + break; + case 640: + filter_tb = (xgi_video_info.TV_type == TVMODE_NTSC) ? 5 : 13; + break; + case 720: + filter_tb = (xgi_video_info.TV_type == TVMODE_NTSC) ? 6 : 14; + break; + case 800: + filter_tb = (xgi_video_info.TV_type == TVMODE_NTSC) ? 7 : 15; + break; + default: + filter = -1; + break; + } + + orXGIIDXREG(XGIPART1, XGIfb_CRT2_write_enable, 0x01); + + if(xgi_video_info.TV_type == TVMODE_NTSC) { + + andXGIIDXREG(XGIPART2, 0x3a, 0x1f); + + if (xgi_video_info.TV_plug == TVPLUG_SVIDEO) { + + andXGIIDXREG(XGIPART2, 0x30, 0xdf); + + } else if (xgi_video_info.TV_plug == TVPLUG_COMPOSITE) { + + orXGIIDXREG(XGIPART2, 0x30, 0x20); + + switch (xgi_video_info.video_width) { + case 640: + outXGIIDXREG(XGIPART2, 0x35, 0xEB); + outXGIIDXREG(XGIPART2, 0x36, 0x04); + outXGIIDXREG(XGIPART2, 0x37, 0x25); + outXGIIDXREG(XGIPART2, 0x38, 0x18); + break; + case 720: + outXGIIDXREG(XGIPART2, 0x35, 0xEE); + outXGIIDXREG(XGIPART2, 0x36, 0x0C); + outXGIIDXREG(XGIPART2, 0x37, 0x22); + outXGIIDXREG(XGIPART2, 0x38, 0x08); + break; + case 800: + outXGIIDXREG(XGIPART2, 0x35, 0xEB); + outXGIIDXREG(XGIPART2, 0x36, 0x15); + outXGIIDXREG(XGIPART2, 0x37, 0x25); + outXGIIDXREG(XGIPART2, 0x38, 0xF6); + break; + } + } + + } else if(xgi_video_info.TV_type == TVMODE_PAL) { + + andXGIIDXREG(XGIPART2, 0x3A, 0x1F); + + if (xgi_video_info.TV_plug == TVPLUG_SVIDEO) { + + andXGIIDXREG(XGIPART2, 0x30, 0xDF); + + } else if (xgi_video_info.TV_plug == TVPLUG_COMPOSITE) { + + orXGIIDXREG(XGIPART2, 0x30, 0x20); + + switch (xgi_video_info.video_width) { + case 640: + outXGIIDXREG(XGIPART2, 0x35, 0xF1); + outXGIIDXREG(XGIPART2, 0x36, 0xF7); + outXGIIDXREG(XGIPART2, 0x37, 0x1F); + outXGIIDXREG(XGIPART2, 0x38, 0x32); + break; + case 720: + outXGIIDXREG(XGIPART2, 0x35, 0xF3); + outXGIIDXREG(XGIPART2, 0x36, 0x00); + outXGIIDXREG(XGIPART2, 0x37, 0x1D); + outXGIIDXREG(XGIPART2, 0x38, 0x20); + break; + case 800: + outXGIIDXREG(XGIPART2, 0x35, 0xFC); + outXGIIDXREG(XGIPART2, 0x36, 0xFB); + outXGIIDXREG(XGIPART2, 0x37, 0x14); + outXGIIDXREG(XGIPART2, 0x38, 0x2A); + break; + } + } + } + + if ((filter >= 0) && (filter <=7)) { + DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n", filter_tb, filter, + XGI_TV_filter[filter_tb].filter[filter][0], + XGI_TV_filter[filter_tb].filter[filter][1], + XGI_TV_filter[filter_tb].filter[filter][2], + XGI_TV_filter[filter_tb].filter[filter][3] + ); + outXGIIDXREG(XGIPART2, 0x35, (XGI_TV_filter[filter_tb].filter[filter][0])); + outXGIIDXREG(XGIPART2, 0x36, (XGI_TV_filter[filter_tb].filter[filter][1])); + outXGIIDXREG(XGIPART2, 0x37, (XGI_TV_filter[filter_tb].filter[filter][2])); + outXGIIDXREG(XGIPART2, 0x38, (XGI_TV_filter[filter_tb].filter[filter][3])); + } + + } + + } + +} + +#ifndef MODULE +XGIINITSTATIC int __init XGIfb_setup(char *options) +{ + char *this_opt; + + + + xgi_video_info.refresh_rate = 0; + + printk(KERN_INFO "XGIfb: Options %s\n", options); + + if (!options || !*options) + return 0; + + while((this_opt = strsep(&options, ",")) != NULL) { + + if (!*this_opt) continue; + + if (!strncmp(this_opt, "mode:", 5)) { + XGIfb_search_mode(this_opt + 5); + } else if (!strncmp(this_opt, "vesa:", 5)) { + XGIfb_search_vesamode(simple_strtoul(this_opt + 5, NULL, 0)); + } else if (!strncmp(this_opt, "mode:", 5)) { + XGIfb_search_mode(this_opt + 5); + } else if (!strncmp(this_opt, "vesa:", 5)) { + XGIfb_search_vesamode(simple_strtoul(this_opt + 5, NULL, 0)); + } else if (!strncmp(this_opt, "vrate:", 6)) { + xgi_video_info.refresh_rate = simple_strtoul(this_opt + 6, NULL, 0); + } else if (!strncmp(this_opt, "rate:", 5)) { + xgi_video_info.refresh_rate = simple_strtoul(this_opt + 5, NULL, 0); + } else if (!strncmp(this_opt, "off", 3)) { + XGIfb_off = 1; + } else if (!strncmp(this_opt, "crt1off", 7)) { + XGIfb_crt1off = 1; + } else if (!strncmp(this_opt, "filter:", 7)) { + filter = (int)simple_strtoul(this_opt + 7, NULL, 0); + } else if (!strncmp(this_opt, "forcecrt2type:", 14)) { + XGIfb_search_crt2type(this_opt + 14); + } else if (!strncmp(this_opt, "forcecrt1:", 10)) { + XGIfb_forcecrt1 = (int)simple_strtoul(this_opt + 10, NULL, 0); + } else if (!strncmp(this_opt, "tvmode:",7)) { + XGIfb_search_tvstd(this_opt + 7); + } else if (!strncmp(this_opt, "tvstandard:",11)) { + XGIfb_search_tvstd(this_opt + 7); + } else if (!strncmp(this_opt, "mem:",4)) { + XGIfb_mem = simple_strtoul(this_opt + 4, NULL, 0); + } else if (!strncmp(this_opt, "dstn", 4)) { + enable_dstn = 1; + /* TW: DSTN overrules forcecrt2type */ + XGIfb_crt2type = DISPTYPE_LCD; + } else if (!strncmp(this_opt, "queuemode:", 10)) { + XGIfb_search_queuemode(this_opt + 10); + } else if (!strncmp(this_opt, "pdc:", 4)) { + XGIfb_pdc = simple_strtoul(this_opt + 4, NULL, 0); + if(XGIfb_pdc & ~0x3c) { + printk(KERN_INFO "XGIfb: Illegal pdc parameter\n"); + XGIfb_pdc = 0; + } + } else if (!strncmp(this_opt, "noaccel", 7)) { + XGIfb_accel = 0; + } else if (!strncmp(this_opt, "noypan", 6)) { + XGIfb_ypan = 0; + } else if (!strncmp(this_opt, "userom:", 7)) { + XGIfb_userom = (int)simple_strtoul(this_opt + 7, NULL, 0); +// } else if (!strncmp(this_opt, "useoem:", 7)) { +// XGIfb_useoem = (int)simple_strtoul(this_opt + 7, NULL, 0); + } else { + XGIfb_search_mode(this_opt); +// printk(KERN_INFO "XGIfb: Invalid option %s\n", this_opt); + } + + /* TW: Acceleration only with MMIO mode */ + if((XGIfb_queuemode != -1) && (XGIfb_queuemode != MMIO_CMD)) { + XGIfb_ypan = 0; + XGIfb_accel = 0; + } + /* TW: Panning only with acceleration */ + if(XGIfb_accel == 0) XGIfb_ypan = 0; + + } + printk("\nxgifb: outa xgifb_setup 3450"); + return 0; +} +#endif + +static unsigned char VBIOS_BUF[65535]; + +unsigned char* attempt_map_rom(struct pci_dev *dev,void *copy_address) +{ + u32 rom_size = 0; + u32 rom_address = 0; + int j; + + /* Get the size of the expansion rom */ + pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0xFFFFFFFF); + pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_size); + if ((rom_size & 0x01) == 0) + { + printk("No ROM\n"); + return NULL; + } + + rom_size &= 0xFFFFF800; + rom_size = (~rom_size)+1; + + rom_address = pci_resource_start(dev, 0); + if (rom_address == 0 || rom_address == 0xFFFFFFF0) + { + printk("No suitable rom address found\n"); return NULL; + } + + printk("ROM Size is %dK, Address is %x\n", rom_size/1024, rom_address); + + /* Map ROM */ + pci_write_config_dword(dev, PCI_ROM_ADDRESS, rom_address | PCI_ROM_ADDRESS_ENABLE); + + /* memcpy(copy_address, rom_address, rom_size); */ + { + unsigned char *virt_addr = ioremap(rom_address, 0x8000000); + + unsigned char *from = (unsigned char *)virt_addr; + unsigned char *to = (unsigned char *)copy_address; + for (j=0; j<65536 /*rom_size*/; j++) *to++ = *from++; + } + + pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0); + + printk("Copy is done\n"); + + return copy_address; +} + +int __devinit xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + u16 reg16; + u8 reg, reg1; + u8 CR48,CR38; + if (XGIfb_off) + return -ENXIO; + + XGIfb_registered = 0; + + memset(&XGIhw_ext, 0, sizeof(HW_DEVICE_EXTENSION)); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,3)) + fb_info = framebuffer_alloc(sizeof(struct fb_info), &pdev->dev); + if(!fb_info) return -ENOMEM; +#else + XGI_fb_info = kmalloc( sizeof(struct fb_info), GFP_KERNEL); + if(!XGI_fb_info) return -ENOMEM; + memset(XGI_fb_info, 0, sizeof(struct fb_info)); +#endif + + xgi_video_info.chip_id = pdev->device; + pci_read_config_byte(pdev, PCI_REVISION_ID,&xgi_video_info.revision_id); + pci_read_config_word(pdev, PCI_COMMAND, ®16); + XGIhw_ext.jChipRevision = xgi_video_info.revision_id; + XGIvga_enabled = reg16 & 0x01; + + xgi_video_info.pcibus = pdev->bus->number; + xgi_video_info.pcislot = PCI_SLOT(pdev->devfn); + xgi_video_info.pcifunc = PCI_FUNC(pdev->devfn); + xgi_video_info.subsysvendor = pdev->subsystem_vendor; + xgi_video_info.subsysdevice = pdev->subsystem_device; + + xgi_video_info.video_base = pci_resource_start(pdev, 0); + xgi_video_info.mmio_base = pci_resource_start(pdev, 1); + XGIfb_mmio_size = pci_resource_len(pdev, 1); + xgi_video_info.vga_base = pci_resource_start(pdev, 2) + 0x30; + XGIhw_ext.pjIOAddress = (PUCHAR)xgi_video_info.vga_base; + //XGI_Pr.RelIO = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; + printk("XGIfb: Relocate IO address: %lx [%08lx] \n", (unsigned long)pci_resource_start(pdev, 2), XGI_Pr.RelIO); + + if (pci_enable_device(pdev)) + return -EIO; + + XGIRegInit(&XGI_Pr, (ULONG)XGIhw_ext.pjIOAddress); + + outXGIIDXREG(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + inXGIIDXREG(XGISR, IND_XGI_PASSWORD, reg1); + + if(reg1 != 0xa1) /*I/O error */ + { + printk("\nXGIfb: I/O error!!!"); + return -EIO; + } + + switch (xgi_video_info.chip_id) { + case PCI_DEVICE_ID_XG_20: + orXGIIDXREG(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN); + inXGIIDXREG(XGICR, Index_CR_GPIO_Reg1, CR48); + if (CR48&GPIOG_READ) + xgi_video_info.chip = XG21; + else + xgi_video_info.chip = XG20; + XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2; + XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315; + break; + case PCI_DEVICE_ID_XG_40: + xgi_video_info.chip = XG40; + XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2; + XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315; + break; + case PCI_DEVICE_ID_XG_41: + xgi_video_info.chip = XG41; + XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2; + XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315; + break; + case PCI_DEVICE_ID_XG_42: + xgi_video_info.chip = XG42; + XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2; + XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315; + break; + case PCI_DEVICE_ID_XG_27: + xgi_video_info.chip = XG27; + XGIfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315 * 2; + XGIfb_CRT2_write_enable = IND_XGI_CRT2_WRITE_ENABLE_315; + break; + default: + return -ENODEV; + } + + printk("XGIfb:chipid = %x\n",xgi_video_info.chip); + XGIhw_ext.jChipType = xgi_video_info.chip; + + switch (xgi_video_info.chip) { + case XG40: + case XG41: + case XG42: + case XG45: + case XG20: + case XG21: + case XG27: + XGIhw_ext.bIntegratedMMEnabled = TRUE; + break; + + default: + break; + } + + + XGIhw_ext.pDevice = NULL; + if ((xgi_video_info.chip == XG21) || (XGIfb_userom)) + { + XGIhw_ext.pjVirtualRomBase = attempt_map_rom(pdev, VBIOS_BUF); + + if(XGIhw_ext.pjVirtualRomBase) + printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",XGIhw_ext.pjVirtualRomBase); + else + printk(KERN_INFO "XGIfb: Video ROM not found\n"); + } else { + XGIhw_ext.pjVirtualRomBase = NULL; + printk(KERN_INFO "XGIfb: Video ROM usage disabled\n"); + } + XGIhw_ext.pjCustomizedROMImage = NULL; + XGIhw_ext.bSkipDramSizing = 0; + XGIhw_ext.pQueryVGAConfigSpace = &XGIfb_query_VGA_config_space; +// XGIhw_ext.pQueryNorthBridgeSpace = &XGIfb_query_north_bridge_space; + strcpy(XGIhw_ext.szVBIOSVer, "0.84"); + + + XGIhw_ext.pSR = vmalloc(sizeof(XGI_DSReg) * SR_BUFFER_SIZE); + if (XGIhw_ext.pSR == NULL) + { + printk(KERN_ERR "XGIfb: Fatal error: Allocating SRReg space failed.\n"); + return -ENODEV; + } + XGIhw_ext.pSR[0].jIdx = XGIhw_ext.pSR[0].jVal = 0xFF; + + XGIhw_ext.pCR = vmalloc(sizeof(XGI_DSReg) * CR_BUFFER_SIZE); + if (XGIhw_ext.pCR == NULL) + { + vfree(XGIhw_ext.pSR); + printk(KERN_ERR "XGIfb: Fatal error: Allocating CRReg space failed.\n"); + return -ENODEV; + } + XGIhw_ext.pCR[0].jIdx = XGIhw_ext.pCR[0].jVal = 0xFF; + + + + + if (!XGIvga_enabled) + { + /* Mapping Max FB Size for 315 Init */ + XGIhw_ext.pjVideoMemoryAddress = ioremap(xgi_video_info.video_base, 0x10000000); + if((xgifb_mode_idx < 0) || ((XGIbios_mode[xgifb_mode_idx].mode_no) != 0xFF)) + { +#ifdef LINUXBIOS + printk("XGIfb: XGIInit() ..."); + /* XGIInitNewt for LINUXBIOS only */ + if(XGIInitNew(&XGIhw_ext)) + { + printk("OK\n"); + } + else + { + printk("Fail\n"); + } +#endif + + outXGIIDXREG(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + + + } + } +#ifdef LINUXBIOS + else + { + XGIhw_ext.pjVideoMemoryAddress = ioremap(xgi_video_info.video_base, 0x10000000); + if((xgifb_mode_idx < 0) || ((XGIbios_mode[xgifb_mode_idx].mode_no) != 0xFF)) + { + + outXGIIDXREG(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD); + + // yilin Because no VBIOS DRAM Sizing, Dram size will error. + // Set SR13 ,14 temporarily for UDtech + outXGIIDXREG(XGISR, 0x13, 0x45); + outXGIIDXREG(XGISR, 0x14, 0x51); + + + } + } +#endif + if (XGIfb_get_dram_size()) + { + vfree(XGIhw_ext.pSR); + vfree(XGIhw_ext.pCR); + printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n"); + return -ENODEV; + } + + + + if((xgifb_mode_idx < 0) || ((XGIbios_mode[xgifb_mode_idx].mode_no) != 0xFF)) + { + /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ + orXGIIDXREG(XGISR, IND_XGI_PCI_ADDRESS_SET, (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE)); + /* Enable 2D accelerator engine */ + orXGIIDXREG(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D); + } + + XGIhw_ext.ulVideoMemorySize = xgi_video_info.video_size; + + if (!request_mem_region(xgi_video_info.video_base, xgi_video_info.video_size, "XGIfb FB")) + { printk("unable request memory size %x",xgi_video_info.video_size); + printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n"); + printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n"); + vfree(XGIhw_ext.pSR); + vfree(XGIhw_ext.pCR); + return -ENODEV; + } + + if (!request_mem_region(xgi_video_info.mmio_base, XGIfb_mmio_size, "XGIfb MMIO")) + { + printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n"); + release_mem_region(xgi_video_info.video_base, xgi_video_info.video_size); + vfree(XGIhw_ext.pSR); + vfree(XGIhw_ext.pCR); + return -ENODEV; + } + + xgi_video_info.video_vbase = XGIhw_ext.pjVideoMemoryAddress = + ioremap(xgi_video_info.video_base, xgi_video_info.video_size); + xgi_video_info.mmio_vbase = ioremap(xgi_video_info.mmio_base, XGIfb_mmio_size); + + printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", + xgi_video_info.video_base, xgi_video_info.video_vbase,xgi_video_info.video_size / 1024); + + printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n", + xgi_video_info.mmio_base, xgi_video_info.mmio_vbase,XGIfb_mmio_size / 1024); + printk("XGIfb: XGIInitNew() ..."); + if(XGIInitNew(&XGIhw_ext)) + { + printk("OK\n"); + } + else + { + printk("Fail\n"); + } + + if(XGIfb_heap_init()) + { + printk(KERN_WARNING "XGIfb: Failed to initialize offscreen memory heap\n"); + } + + + xgi_video_info.mtrr = (unsigned int) 0; + + if((xgifb_mode_idx < 0) || ((XGIbios_mode[xgifb_mode_idx].mode_no) != 0xFF)) + { + xgi_video_info.hasVB = HASVB_NONE; + if((xgi_video_info.chip == XG20)||(xgi_video_info.chip == XG27)) + xgi_video_info.hasVB = HASVB_NONE; + else if(xgi_video_info.chip == XG21) { + inXGIIDXREG(XGICR,0x38,CR38); + if ((CR38&0xE0) == 0xC0) { + xgi_video_info.disp_state = DISPTYPE_LCD; + if (!XGIfb_GetXG21LVDSData()) { + int m; + for (m=0; m < sizeof(XGI21_LCDCapList)/sizeof(XGI21_LVDSCapStruct); m++) { + if ((XGI21_LCDCapList[m].LVDSHDE == XGIbios_mode[xgifb_mode_idx].xres) && + (XGI21_LCDCapList[m].LVDSVDE == XGIbios_mode[xgifb_mode_idx].yres)) { + XGINew_SetReg1( XGI_Pr.P3d4 , 0x36, m) ; + } + } + } + } + else if ((CR38&0xE0) == 0x60) + xgi_video_info.hasVB = HASVB_CHRONTEL ; + else + xgi_video_info.hasVB = HASVB_NONE; + } + else + XGIfb_get_VB_type(); + + XGIhw_ext.ujVBChipID = VB_CHIP_UNKNOWN; + + XGIhw_ext.ulExternalChip = 0; + + switch (xgi_video_info.hasVB) { + case HASVB_301: + inXGIIDXREG(XGIPART4, 0x01, reg); + if (reg >= 0xE0) { + XGIhw_ext.ujVBChipID = VB_CHIP_302LV; + printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n",reg); + } else if (reg >= 0xD0) { + XGIhw_ext.ujVBChipID = VB_CHIP_301LV; + printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n",reg); + } + /* else if (reg >= 0xB0) { + XGIhw_ext.ujVBChipID = VB_CHIP_301B; + inXGIIDXREG(XGIPART4,0x23,reg1); + printk("XGIfb: XGI301B bridge detected\n"); + }*/ + else { + XGIhw_ext.ujVBChipID = VB_CHIP_301; + printk("XGIfb: XGI301 bridge detected\n"); + } + break; + case HASVB_302: + inXGIIDXREG(XGIPART4, 0x01, reg); + if (reg >= 0xE0) { + XGIhw_ext.ujVBChipID = VB_CHIP_302LV; + printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n",reg); + } else if (reg >= 0xD0) { + XGIhw_ext.ujVBChipID = VB_CHIP_301LV; + printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n",reg); + } else if (reg >= 0xB0) { + inXGIIDXREG(XGIPART4,0x23,reg1); + + XGIhw_ext.ujVBChipID = VB_CHIP_302B; + + } else { + XGIhw_ext.ujVBChipID = VB_CHIP_302; + printk(KERN_INFO "XGIfb: XGI302 bridge detected\n"); + } + break; + case HASVB_LVDS: + XGIhw_ext.ulExternalChip = 0x1; + printk(KERN_INFO "XGIfb: LVDS transmitter detected\n"); + break; + case HASVB_TRUMPION: + XGIhw_ext.ulExternalChip = 0x2; + printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n"); + break; + case HASVB_CHRONTEL: + XGIhw_ext.ulExternalChip = 0x4; + printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n"); + break; + case HASVB_LVDS_CHRONTEL: + XGIhw_ext.ulExternalChip = 0x5; + printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n"); + break; + default: + printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n"); + break; + } + + if (xgi_video_info.hasVB != HASVB_NONE) { + XGIfb_detect_VB(); + } + + if (xgi_video_info.disp_state & DISPTYPE_DISP2) { + if (XGIfb_crt1off) + xgi_video_info.disp_state |= DISPMODE_SINGLE; + else + xgi_video_info.disp_state |= (DISPMODE_MIRROR | DISPTYPE_CRT1); + } else { + xgi_video_info.disp_state = DISPMODE_SINGLE | DISPTYPE_CRT1; + } + + if (xgi_video_info.disp_state & DISPTYPE_LCD) { + if (!enable_dstn) { + inXGIIDXREG(XGICR, IND_XGI_LCD_PANEL, reg); + reg &= 0x0f; + XGIhw_ext.ulCRT2LCDType = XGI310paneltype[reg]; + + } else { + // TW: FSTN/DSTN + XGIhw_ext.ulCRT2LCDType = LCD_320x480; + } + } + + XGIfb_detectedpdc = 0; + + XGIfb_detectedlcda = 0xff; +#ifndef LINUXBIOS + + /* TW: Try to find about LCDA */ + + if((XGIhw_ext.ujVBChipID == VB_CHIP_302B) || + (XGIhw_ext.ujVBChipID == VB_CHIP_301LV) || + (XGIhw_ext.ujVBChipID == VB_CHIP_302LV)) + { + int tmp; + inXGIIDXREG(XGICR,0x34,tmp); + if(tmp <= 0x13) + { + // Currently on LCDA? (Some BIOSes leave CR38) + inXGIIDXREG(XGICR,0x38,tmp); + if((tmp & 0x03) == 0x03) + { +// XGI_Pr.XGI_UseLCDA = TRUE; + }else + { + // Currently on LCDA? (Some newer BIOSes set D0 in CR35) + inXGIIDXREG(XGICR,0x35,tmp); + if(tmp & 0x01) + { +// XGI_Pr.XGI_UseLCDA = TRUE; + }else + { + inXGIIDXREG(XGICR,0x30,tmp); + if(tmp & 0x20) + { + inXGIIDXREG(XGIPART1,0x13,tmp); + if(tmp & 0x04) + { +// XGI_Pr.XGI_UseLCDA = TRUE; + } + } + } + } + } + + } + + +#endif + + if (xgifb_mode_idx >= 0) + xgifb_mode_idx = XGIfb_validate_mode(xgifb_mode_idx); + + if (xgifb_mode_idx < 0) { + switch (xgi_video_info.disp_state & DISPTYPE_DISP2) { + case DISPTYPE_LCD: + xgifb_mode_idx = DEFAULT_LCDMODE; + if (xgi_video_info.chip == XG21) + { + xgifb_mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx(); + } + break; + case DISPTYPE_TV: + xgifb_mode_idx = DEFAULT_TVMODE; + break; + default: + xgifb_mode_idx = DEFAULT_MODE; + break; + } + } + + XGIfb_mode_no = XGIbios_mode[xgifb_mode_idx].mode_no; + + + if( xgi_video_info.refresh_rate == 0) + xgi_video_info.refresh_rate = 60; /*yilin set default refresh rate */ + if(XGIfb_search_refresh_rate(xgi_video_info.refresh_rate) == 0) + { + XGIfb_rate_idx = XGIbios_mode[xgifb_mode_idx].rate_idx; + xgi_video_info.refresh_rate = 60; + } + + xgi_video_info.video_bpp = XGIbios_mode[xgifb_mode_idx].bpp; + xgi_video_info.video_vwidth = xgi_video_info.video_width = XGIbios_mode[xgifb_mode_idx].xres; + xgi_video_info.video_vheight = xgi_video_info.video_height = XGIbios_mode[xgifb_mode_idx].yres; + xgi_video_info.org_x = xgi_video_info.org_y = 0; + xgi_video_info.video_linelength = xgi_video_info.video_width * (xgi_video_info.video_bpp >> 3); + switch(xgi_video_info.video_bpp) { + case 8: + xgi_video_info.DstColor = 0x0000; + xgi_video_info.XGI310_AccelDepth = 0x00000000; + xgi_video_info.video_cmap_len = 256; + break; + case 16: + xgi_video_info.DstColor = 0x8000; + xgi_video_info.XGI310_AccelDepth = 0x00010000; + xgi_video_info.video_cmap_len = 16; + break; + case 32: + xgi_video_info.DstColor = 0xC000; + xgi_video_info.XGI310_AccelDepth = 0x00020000; + xgi_video_info.video_cmap_len = 16; + break; + default: + xgi_video_info.video_cmap_len = 16; + printk(KERN_INFO "XGIfb: Unsupported depth %d", xgi_video_info.video_bpp); + break; + } + + + + printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n", + xgi_video_info.video_width, xgi_video_info.video_height, xgi_video_info.video_bpp, + xgi_video_info.refresh_rate); + + default_var.xres = default_var.xres_virtual = xgi_video_info.video_width; + default_var.yres = default_var.yres_virtual = xgi_video_info.video_height; + default_var.bits_per_pixel = xgi_video_info.video_bpp; + + XGIfb_bpp_to_var(&default_var); + + default_var.pixclock = (u32) (1000000000 / + XGIfb_mode_rate_to_dclock(&XGI_Pr, &XGIhw_ext, + XGIfb_mode_no, XGIfb_rate_idx)); + + if(XGIfb_mode_rate_to_ddata(&XGI_Pr, &XGIhw_ext, + XGIfb_mode_no, XGIfb_rate_idx, + &default_var.left_margin, &default_var.right_margin, + &default_var.upper_margin, &default_var.lower_margin, + &default_var.hsync_len, &default_var.vsync_len, + &default_var.sync, &default_var.vmode)) { + + if((default_var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + default_var.yres <<= 1; + default_var.yres_virtual <<= 1; + } else if((default_var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + default_var.pixclock >>= 1; + default_var.yres >>= 1; + default_var.yres_virtual >>= 1; + } + + } + + +#if 0 +#ifdef XGIFB_PAN + if(XGIfb_ypan) { + default_var.yres_virtual = + xgi_video_info.heapstart / (default_var.xres * (default_var.bits_per_pixel >> 3)); + if(default_var.yres_virtual <= default_var.yres) { + default_var.yres_virtual = default_var.yres; + } + } +#endif +#endif + + + xgi_video_info.accel = 0; + if(XGIfb_accel) { + xgi_video_info.accel = -1; + default_var.accel_flags |= FB_ACCELF_TEXT; + XGIfb_initaccel(); + } + + fb_info->flags = FBINFO_FLAG_DEFAULT; + fb_info->var = default_var; + fb_info->fix = XGIfb_fix; + fb_info->par = &xgi_video_info; + fb_info->screen_base = xgi_video_info.video_vbase; + fb_info->fbops = &XGIfb_ops; + XGIfb_get_fix(&fb_info->fix, -1, fb_info); + fb_info->pseudo_palette = pseudo_palette; + + fb_alloc_cmap(&fb_info->cmap, 256 , 0); + + +#ifdef CONFIG_MTRR + xgi_video_info.mtrr = mtrr_add((unsigned int) xgi_video_info.video_base, + (unsigned int) xgi_video_info.video_size, + MTRR_TYPE_WRCOMB, 1); + if(xgi_video_info.mtrr) { + printk(KERN_INFO "XGIfb: Added MTRRs\n"); + } +#endif + + if(register_framebuffer(fb_info) < 0) + { + return -EINVAL; + } + + XGIfb_registered = 1; + + printk(KERN_INFO "XGIfb: Installed XGIFB_GET_INFO ioctl (%x)\n", XGIFB_GET_INFO); + +/* printk(KERN_INFO "XGIfb: 2D acceleration is %s, scrolling mode %s\n", + XGIfb_accel ? "enabled" : "disabled", + XGIfb_ypan ? "ypan" : "redraw"); +*/ + printk(KERN_INFO "fb%d: %s frame buffer device, Version %d.%d.%02d\n", + fb_info->node, myid, VER_MAJOR, VER_MINOR, VER_LEVEL); + + + } + + dumpVGAReg(); + + return 0; +} + + +/*****************************************************/ +/* PCI DEVICE HANDLING */ +/*****************************************************/ + +static void __devexit xgifb_remove(struct pci_dev *pdev) +{ + /* Unregister the framebuffer */ +// if(xgi_video_info.registered) { + unregister_framebuffer(fb_info); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,3)) + framebuffer_release(fb_info); +#else + kfree(fb_info); +#endif +// } + + pci_set_drvdata(pdev, NULL); + +}; + +static struct pci_driver xgifb_driver = { + .name = "xgifb", + .id_table = xgifb_pci_table, + .probe = xgifb_probe, + .remove = __devexit_p(xgifb_remove) +}; + +XGIINITSTATIC int __init xgifb_init(void) +{ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,8) +#ifndef MODULE + char *option = NULL; + + if (fb_get_options("xgifb", &option)) + return -ENODEV; + XGIfb_setup(option); +#endif +#endif + return(pci_register_driver(&xgifb_driver)); +} + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,8) +#ifndef MODULE +module_init(xgifb_init); +#endif +#endif + +/*****************************************************/ +/* MODULE */ +/*****************************************************/ + +#ifdef MODULE + +static char *mode = NULL; +static int vesa = 0; +static unsigned int rate = 0; +static unsigned int crt1off = 1; +static unsigned int mem = 0; +static char *forcecrt2type = NULL; +static int forcecrt1 = -1; +static int pdc = -1; +static int pdc1 = -1; +static int noaccel = -1; +static int noypan = -1; +static int nomax = -1; +static int userom = -1; +static int useoem = -1; +static char *tvstandard = NULL; +static int nocrt2rate = 0; +static int scalelcd = -1; +static char *specialtiming = NULL; +static int lvdshl = -1; +static int tvxposoffset = 0, tvyposoffset = 0; +#if !defined(__i386__) && !defined(__x86_64__) +static int resetcard = 0; +static int videoram = 0; +#endif + +MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("XGITECH , Others"); + + + +module_param(mem, int, 0); +module_param(noaccel, int, 0); +module_param(noypan, int, 0); +module_param(nomax, int, 0); +module_param(userom, int, 0); +module_param(useoem, int, 0); +module_param(mode, charp, 0); +module_param(vesa, int, 0); +module_param(rate, int, 0); +module_param(forcecrt1, int, 0); +module_param(forcecrt2type, charp, 0); +module_param(scalelcd, int, 0); +module_param(pdc, int, 0); +module_param(pdc1, int, 0); +module_param(specialtiming, charp, 0); +module_param(lvdshl, int, 0); +module_param(tvstandard, charp, 0); +module_param(tvxposoffset, int, 0); +module_param(tvyposoffset, int, 0); +module_param(filter, int, 0); +module_param(nocrt2rate, int, 0); +#if !defined(__i386__) && !defined(__x86_64__) +module_param(resetcard, int, 0); +module_param(videoram, int, 0); +#endif + + +MODULE_PARM_DESC(mem, + "\nDetermines the beginning of the video memory heap in KB. This heap is used\n" + "for video RAM management for eg. DRM/DRI. On 300 series, the default depends\n" + "on the amount of video RAM available. If 8MB of video RAM or less is available,\n" + "the heap starts at 4096KB, if between 8 and 16MB are available at 8192KB,\n" + "otherwise at 12288KB. On 315 and Xabre series, the heap size is 32KB by default.\n" + "The value is to be specified without 'KB' and must match the MaxXFBMem setting\n" + "for XFree86 4.x/X.org 6.7 and later.\n"); + +MODULE_PARM_DESC(noaccel, + "\nIf set to anything other than 0, 2D acceleration will be disabled.\n" + "(default: 0)\n"); + +MODULE_PARM_DESC(noypan, + "\nIf set to anything other than 0, y-panning will be disabled and scrolling\n" + "will be performed by redrawing the screen. (default: 0)\n"); + +MODULE_PARM_DESC(nomax, + "\nIf y-panning is enabled, xgifb will by default use the entire available video\n" + "memory for the virtual screen in order to optimize scrolling performance. If\n" + "this is set to anything other than 0, xgifb will not do this and thereby \n" + "enable the user to positively specify a virtual Y size of the screen using\n" + "fbset. (default: 0)\n"); + + + +MODULE_PARM_DESC(mode, + "\nSelects the desired default display mode in the format XxYxDepth,\n" + "eg. 1024x768x16. Other formats supported include XxY-Depth and\n" + "XxY-Depth@Rate. If the parameter is only one (decimal or hexadecimal)\n" + "number, it will be interpreted as a VESA mode number. (default: 800x600x8)\n"); + +MODULE_PARM_DESC(vesa, + "\nSelects the desired default display mode by VESA defined mode number, eg.\n" + "0x117 (default: 0x0103)\n"); + + +MODULE_PARM_DESC(rate, + "\nSelects the desired vertical refresh rate for CRT1 (external VGA) in Hz.\n" + "If the mode is specified in the format XxY-Depth@Rate, this parameter\n" + "will be ignored (default: 60)\n"); + +MODULE_PARM_DESC(forcecrt1, + "\nNormally, the driver autodetects whether or not CRT1 (external VGA) is \n" + "connected. With this option, the detection can be overridden (1=CRT1 ON,\n" + "0=CRT1 OFF) (default: [autodetected])\n"); + +MODULE_PARM_DESC(forcecrt2type, + "\nIf this option is omitted, the driver autodetects CRT2 output devices, such as\n" + "LCD, TV or secondary VGA. With this option, this autodetection can be\n" + "overridden. Possible parameters are LCD, TV, VGA or NONE. NONE disables CRT2.\n" + "On systems with a SiS video bridge, parameters SVIDEO, COMPOSITE or SCART can\n" + "be used instead of TV to override the TV detection. Furthermore, on systems\n" + "with a SiS video bridge, SVIDEO+COMPOSITE, HIVISION, YPBPR480I, YPBPR480P,\n" + "YPBPR720P and YPBPR1080I are understood. However, whether or not these work\n" + "depends on the very hardware in use. (default: [autodetected])\n"); + +MODULE_PARM_DESC(scalelcd, + "\nSetting this to 1 will force the driver to scale the LCD image to the panel's\n" + "native resolution. Setting it to 0 will disable scaling; LVDS panels will\n" + "show black bars around the image, TMDS panels will probably do the scaling\n" + "themselves. Default: 1 on LVDS panels, 0 on TMDS panels\n"); + +MODULE_PARM_DESC(pdc, + "\nThis is for manually selecting the LCD panel delay compensation. The driver\n" + "should detect this correctly in most cases; however, sometimes this is not\n" + "possible. If you see 'small waves' on the LCD, try setting this to 4, 32 or 24\n" + "on a 300 series chipset; 6 on a 315 series chipset. If the problem persists,\n" + "try other values (on 300 series: between 4 and 60 in steps of 4; on 315 series:\n" + "any value from 0 to 31). (default: autodetected, if LCD is active during start)\n"); + +MODULE_PARM_DESC(pdc1, + "\nThis is same as pdc, but for LCD-via CRT1. Hence, this is for the 315/330\n" + "series only. (default: autodetected if LCD is in LCD-via-CRT1 mode during\n" + "startup) - Note: currently, this has no effect because LCD-via-CRT1 is not\n" + "implemented yet.\n"); + +MODULE_PARM_DESC(specialtiming, + "\nPlease refer to documentation for more information on this option.\n"); + +MODULE_PARM_DESC(lvdshl, + "\nPlease refer to documentation for more information on this option.\n"); + +MODULE_PARM_DESC(tvstandard, + "\nThis allows overriding the BIOS default for the TV standard. Valid choices are\n" + "pal, ntsc, palm and paln. (default: [auto; pal or ntsc only])\n"); + +MODULE_PARM_DESC(tvxposoffset, + "\nRelocate TV output horizontally. Possible parameters: -32 through 32.\n" + "Default: 0\n"); + +MODULE_PARM_DESC(tvyposoffset, + "\nRelocate TV output vertically. Possible parameters: -32 through 32.\n" + "Default: 0\n"); + +MODULE_PARM_DESC(filter, + "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n" + "(Possible values 0-7, default: [no filter])\n"); + +MODULE_PARM_DESC(nocrt2rate, + "\nSetting this to 1 will force the driver to use the default refresh rate for\n" + "CRT2 if CRT2 type is VGA. (default: 0, use same rate as CRT1)\n"); + + + + +int __init xgifb_init_module(void) +{ + printk("\nXGIfb_init_module"); + if(mode) + XGIfb_search_mode(mode); + else if (vesa != -1) + XGIfb_search_vesamode(vesa); + + return(xgifb_init()); +} + +static void __exit xgifb_remove_module(void) +{ + pci_unregister_driver(&xgifb_driver); + printk(KERN_DEBUG "xgifb: Module unloaded\n"); +} + +module_init(xgifb_init_module); +module_exit(xgifb_remove_module); + +#endif /* /MODULE */ + +EXPORT_SYMBOL(XGI_malloc); +EXPORT_SYMBOL(XGI_free); + |