// SPDX-License-Identifier: GPL-2.0
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/*
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* XG20, XG21, XG40, XG42 frame buffer device
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* for Linux kernels 2.5.x, 2.6.x
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* Base on TW's sis fbdev code.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/sizes.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include "XGI_main.h"
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#include "vb_init.h"
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#include "vb_util.h"
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#include "vb_setmode.h"
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#define Index_CR_GPIO_Reg1 0x48
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#define Index_CR_GPIO_Reg3 0x4a
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#define GPIOG_EN BIT(6)
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#define GPIOG_READ BIT(1)
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static char *forcecrt2type;
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static char *mode;
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static int vesa = -1;
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static unsigned int refresh_rate;
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/* -------------------- Macro definitions ---------------------------- */
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|
#ifdef DEBUG
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static void dumpVGAReg(struct xgifb_video_info *xgifb_info)
|
{
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struct vb_device_info *vb = &xgifb_info->dev_info;
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u8 i, reg;
|
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xgifb_reg_set(vb->P3c4, 0x05, 0x86);
|
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for (i = 0; i < 0x4f; i++) {
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reg = xgifb_reg_get(vb->P3c4, i);
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pr_debug("o 3c4 %x\n", i);
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pr_debug("i 3c5 => %x\n", reg);
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}
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for (i = 0; i < 0xF0; i++) {
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reg = xgifb_reg_get(vb->P3d4, i);
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pr_debug("o 3d4 %x\n", i);
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pr_debug("i 3d5 => %x\n", reg);
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}
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}
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#else
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static inline void dumpVGAReg(struct xgifb_video_info *xgifb_info)
|
{
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}
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#endif
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/* --------------- Hardware Access Routines -------------------------- */
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static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
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struct xgi_hw_device_info *HwDeviceExtension,
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unsigned char modeno)
|
{
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unsigned short ModeNo = modeno;
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unsigned short ModeIdIndex = 0, ClockIndex = 0;
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unsigned short RefreshRateTableIndex = 0;
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InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
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XGI_SearchModeID(ModeNo, &ModeIdIndex);
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RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
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ModeIdIndex, XGI_Pr);
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ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
|
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return XGI_VCLKData[ClockIndex].CLOCK * 1000;
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}
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static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
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struct xgi_hw_device_info *HwDeviceExtension,
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unsigned char modeno, u32 *left_margin,
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u32 *right_margin, u32 *upper_margin,
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u32 *lower_margin, u32 *hsync_len,
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u32 *vsync_len, u32 *sync, u32 *vmode)
|
{
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unsigned short ModeNo = modeno;
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unsigned short ModeIdIndex, index = 0;
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unsigned short RefreshRateTableIndex = 0;
|
|
unsigned short VRE, VBE, VRS, VDE;
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unsigned short HRE, HBE, HRS, HDE;
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unsigned char sr_data, cr_data, cr_data2;
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int B, C, D, F, temp, j;
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InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
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if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
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return 0;
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RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
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ModeIdIndex, XGI_Pr);
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index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
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sr_data = XGI_CRT1Table[index].CR[5];
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HDE = XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3;
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cr_data = XGI_CRT1Table[index].CR[3];
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/* Horizontal retrace (=sync) start */
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HRS = (cr_data & 0xff) | ((unsigned short)(sr_data & 0xC0) << 2);
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F = HRS - HDE - 3;
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sr_data = XGI_CRT1Table[index].CR[6];
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cr_data = XGI_CRT1Table[index].CR[2];
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cr_data2 = XGI_CRT1Table[index].CR[4];
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/* Horizontal blank end */
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HBE = (cr_data & 0x1f) | ((unsigned short)(cr_data2 & 0x80) >> 2)
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| ((unsigned short)(sr_data & 0x03) << 6);
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/* Horizontal retrace (=sync) end */
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HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
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temp = HBE - ((HDE - 1) & 255);
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B = (temp > 0) ? temp : (temp + 256);
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temp = HRE - ((HDE + F + 3) & 63);
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C = (temp > 0) ? temp : (temp + 64);
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D = B - F - C;
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*left_margin = D * 8;
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*right_margin = F * 8;
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*hsync_len = C * 8;
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sr_data = XGI_CRT1Table[index].CR[14];
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cr_data2 = XGI_CRT1Table[index].CR[9];
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VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
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cr_data = XGI_CRT1Table[index].CR[10];
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/* Vertical retrace (=sync) start */
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VRS = (cr_data & 0xff) | ((unsigned short)(cr_data2 & 0x04) << 6)
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| ((unsigned short)(cr_data2 & 0x80) << 2)
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| ((unsigned short)(sr_data & 0x08) << 7);
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F = VRS + 1 - VDE;
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cr_data = XGI_CRT1Table[index].CR[13];
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/* Vertical blank end */
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VBE = (cr_data & 0xff) | ((unsigned short)(sr_data & 0x10) << 4);
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temp = VBE - ((VDE - 1) & 511);
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B = (temp > 0) ? temp : (temp + 512);
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cr_data = XGI_CRT1Table[index].CR[11];
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/* Vertical retrace (=sync) end */
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VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
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temp = VRE - ((VDE + F - 1) & 31);
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C = (temp > 0) ? temp : (temp + 32);
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D = B - F - C;
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*upper_margin = D;
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*lower_margin = F;
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*vsync_len = C;
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if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
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*sync &= ~FB_SYNC_VERT_HIGH_ACT;
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else
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*sync |= FB_SYNC_VERT_HIGH_ACT;
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if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
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*sync &= ~FB_SYNC_HOR_HIGH_ACT;
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else
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*sync |= FB_SYNC_HOR_HIGH_ACT;
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*vmode = FB_VMODE_NONINTERLACED;
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if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080) {
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*vmode = FB_VMODE_INTERLACED;
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} else {
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j = 0;
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while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
|
if (XGI330_EModeIDTable[j].Ext_ModeID ==
|
XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
|
if (XGI330_EModeIDTable[j].Ext_ModeFlag &
|
DoubleScanMode) {
|
*vmode = FB_VMODE_DOUBLE;
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}
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break;
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}
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j++;
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}
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}
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return 1;
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}
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void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
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{
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XGI_Pr->P3c4 = BaseAddr + 0x14;
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XGI_Pr->P3d4 = BaseAddr + 0x24;
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XGI_Pr->P3c0 = BaseAddr + 0x10;
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XGI_Pr->P3ce = BaseAddr + 0x1e;
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XGI_Pr->P3c2 = BaseAddr + 0x12;
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XGI_Pr->P3cc = BaseAddr + 0x1c;
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XGI_Pr->P3ca = BaseAddr + 0x1a;
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XGI_Pr->P3c6 = BaseAddr + 0x16;
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XGI_Pr->P3c7 = BaseAddr + 0x17;
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XGI_Pr->P3c8 = BaseAddr + 0x18;
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XGI_Pr->P3c9 = BaseAddr + 0x19;
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XGI_Pr->P3da = BaseAddr + 0x2A;
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XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00;
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/* Digital video interface registers (LCD) */
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XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
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/* 301 TV Encoder registers */
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XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
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/* 301 Macrovision registers */
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XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
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/* 301 VGA2 (and LCD) registers */
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XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
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/* 301 palette address port registers */
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XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
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}
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/* ------------------ Internal helper routines ----------------- */
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static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
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{
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int i = 0;
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while ((XGIbios_mode[i].mode_no != 0) &&
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(XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
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if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE) &&
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(XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE) &&
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(XGIbios_mode[i].bpp == 8)) {
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return i;
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}
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i++;
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}
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return -1;
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}
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static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
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const char *name)
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{
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unsigned int xres;
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unsigned int yres;
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unsigned int bpp;
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int i;
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if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
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goto invalid_mode;
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if (bpp == 24)
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bpp = 32; /* That's for people who mix up color and fb depth. */
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for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
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if (XGIbios_mode[i].xres == xres &&
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XGIbios_mode[i].yres == yres &&
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XGIbios_mode[i].bpp == bpp) {
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xgifb_info->mode_idx = i;
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return;
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}
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invalid_mode:
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pr_info("Invalid mode '%s'\n", name);
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}
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static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
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unsigned int vesamode)
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{
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int i = 0;
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if (vesamode == 0)
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goto invalid;
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vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
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while (XGIbios_mode[i].mode_no != 0) {
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if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
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(XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
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xgifb_info->mode_idx = i;
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return;
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}
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i++;
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}
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invalid:
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pr_info("Invalid VESA mode 0x%x'\n", vesamode);
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}
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static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
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{
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u16 xres, yres;
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struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
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unsigned long required_mem;
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if (xgifb_info->chip == XG21) {
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if (xgifb_info->display2 == XGIFB_DISP_LCD) {
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xres = xgifb_info->lvds_data.LVDSHDE;
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yres = xgifb_info->lvds_data.LVDSVDE;
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if (XGIbios_mode[myindex].xres > xres)
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return -1;
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if (XGIbios_mode[myindex].yres > yres)
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return -1;
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if ((XGIbios_mode[myindex].xres < xres) &&
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(XGIbios_mode[myindex].yres < yres)) {
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if (XGIbios_mode[myindex].bpp > 8)
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return -1;
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}
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}
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goto check_memory;
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}
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/* FIXME: for now, all is valid on XG27 */
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if (xgifb_info->chip == XG27)
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goto check_memory;
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if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
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return -1;
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switch (xgifb_info->display2) {
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case XGIFB_DISP_LCD:
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switch (hw_info->ulCRT2LCDType) {
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case LCD_640x480:
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xres = 640;
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yres = 480;
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break;
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case LCD_800x600:
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xres = 800;
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yres = 600;
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break;
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case LCD_1024x600:
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xres = 1024;
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yres = 600;
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break;
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case LCD_1024x768:
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xres = 1024;
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yres = 768;
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break;
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case LCD_1152x768:
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xres = 1152;
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yres = 768;
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break;
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case LCD_1280x960:
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xres = 1280;
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yres = 960;
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break;
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case LCD_1280x768:
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xres = 1280;
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yres = 768;
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break;
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case LCD_1280x1024:
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xres = 1280;
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yres = 1024;
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break;
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case LCD_1400x1050:
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xres = 1400;
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yres = 1050;
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break;
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case LCD_1600x1200:
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xres = 1600;
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yres = 1200;
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break;
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default:
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xres = 0;
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yres = 0;
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break;
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}
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if (XGIbios_mode[myindex].xres > xres)
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return -1;
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if (XGIbios_mode[myindex].yres > yres)
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return -1;
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if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
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(hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
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switch (XGIbios_mode[myindex].xres) {
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case 512:
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if (XGIbios_mode[myindex].yres != 512)
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return -1;
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if (hw_info->ulCRT2LCDType == LCD_1024x600)
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return -1;
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break;
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case 640:
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if ((XGIbios_mode[myindex].yres != 400) &&
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(XGIbios_mode[myindex].yres != 480))
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return -1;
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break;
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case 800:
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if (XGIbios_mode[myindex].yres != 600)
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return -1;
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break;
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case 1024:
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if ((XGIbios_mode[myindex].yres != 600) &&
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(XGIbios_mode[myindex].yres != 768))
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return -1;
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if ((XGIbios_mode[myindex].yres == 600) &&
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(hw_info->ulCRT2LCDType != LCD_1024x600))
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return -1;
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break;
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case 1152:
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if ((XGIbios_mode[myindex].yres) != 768)
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return -1;
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if (hw_info->ulCRT2LCDType != LCD_1152x768)
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return -1;
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break;
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case 1280:
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if ((XGIbios_mode[myindex].yres != 768) &&
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(XGIbios_mode[myindex].yres != 1024))
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return -1;
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if ((XGIbios_mode[myindex].yres == 768) &&
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(hw_info->ulCRT2LCDType != LCD_1280x768))
|
return -1;
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break;
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case 1400:
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if (XGIbios_mode[myindex].yres != 1050)
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return -1;
|
break;
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case 1600:
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if (XGIbios_mode[myindex].yres != 1200)
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return -1;
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break;
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default:
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return -1;
|
}
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} else {
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switch (XGIbios_mode[myindex].xres) {
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case 512:
|
if (XGIbios_mode[myindex].yres != 512)
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return -1;
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break;
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case 640:
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if ((XGIbios_mode[myindex].yres != 400) &&
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(XGIbios_mode[myindex].yres != 480))
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return -1;
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break;
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case 800:
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if (XGIbios_mode[myindex].yres != 600)
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return -1;
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break;
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case 1024:
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if (XGIbios_mode[myindex].yres != 768)
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return -1;
|
break;
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case 1280:
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if ((XGIbios_mode[myindex].yres != 960) &&
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(XGIbios_mode[myindex].yres != 1024))
|
return -1;
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if (XGIbios_mode[myindex].yres == 960) {
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if (hw_info->ulCRT2LCDType ==
|
LCD_1400x1050)
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return -1;
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}
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break;
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case 1400:
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if (XGIbios_mode[myindex].yres != 1050)
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return -1;
|
break;
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case 1600:
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if (XGIbios_mode[myindex].yres != 1200)
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return -1;
|
break;
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default:
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return -1;
|
}
|
}
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break;
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case XGIFB_DISP_TV:
|
switch (XGIbios_mode[myindex].xres) {
|
case 512:
|
case 640:
|
case 800:
|
break;
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case 720:
|
if (xgifb_info->TV_type == TVMODE_NTSC) {
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if (XGIbios_mode[myindex].yres != 480)
|
return -1;
|
} else if (xgifb_info->TV_type == TVMODE_PAL) {
|
if (XGIbios_mode[myindex].yres != 576)
|
return -1;
|
}
|
/* LVDS/CHRONTEL does not support 720 */
|
if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
|
xgifb_info->hasVB == HASVB_CHRONTEL) {
|
return -1;
|
}
|
break;
|
case 1024:
|
if (xgifb_info->TV_type == TVMODE_NTSC) {
|
if (XGIbios_mode[myindex].bpp == 32)
|
return -1;
|
}
|
break;
|
default:
|
return -1;
|
}
|
break;
|
case XGIFB_DISP_CRT:
|
if (XGIbios_mode[myindex].xres > 1280)
|
return -1;
|
break;
|
case XGIFB_DISP_NONE:
|
break;
|
}
|
|
check_memory:
|
required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
|
XGIbios_mode[myindex].bpp / 8;
|
if (required_mem > xgifb_info->video_size)
|
return -1;
|
return myindex;
|
}
|
|
static void XGIfb_search_crt2type(const char *name)
|
{
|
int i = 0;
|
|
if (!name)
|
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)
|
pr_info("Invalid CRT2 type: %s\n", name);
|
}
|
|
static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
|
unsigned int rate)
|
{
|
u16 xres, yres;
|
int i = 0;
|
|
xres = XGIbios_mode[xgifb_info->mode_idx].xres;
|
yres = XGIbios_mode[xgifb_info->mode_idx].yres;
|
|
xgifb_info->rate_idx = 0;
|
|
while (XGIfb_vrate[i].idx != 0 && XGIfb_vrate[i].xres <= xres) {
|
/* Skip values with xres or yres less than specified */
|
if ((XGIfb_vrate[i].yres != yres) ||
|
(XGIfb_vrate[i].xres != xres)) {
|
i++;
|
continue;
|
}
|
if (XGIfb_vrate[i].refresh == rate) {
|
xgifb_info->rate_idx = XGIfb_vrate[i].idx;
|
break;
|
} else if (XGIfb_vrate[i].refresh > rate) {
|
if (XGIfb_vrate[i].refresh - rate <= 3) {
|
pr_debug("Adjusting rate from %d up to %d\n",
|
rate, XGIfb_vrate[i].refresh);
|
xgifb_info->rate_idx = XGIfb_vrate[i].idx;
|
xgifb_info->refresh_rate =
|
XGIfb_vrate[i].refresh;
|
} else if ((XGIfb_vrate[i].idx != 1) &&
|
(rate - XGIfb_vrate[i - 1].refresh <= 2)) {
|
pr_debug("Adjusting rate from %d down to %d\n",
|
rate, XGIfb_vrate[i - 1].refresh);
|
xgifb_info->rate_idx = XGIfb_vrate[i - 1].idx;
|
xgifb_info->refresh_rate =
|
XGIfb_vrate[i - 1].refresh;
|
}
|
break;
|
} else if (rate - XGIfb_vrate[i].refresh <= 2) {
|
pr_debug("Adjusting rate from %d down to %d\n",
|
rate, XGIfb_vrate[i].refresh);
|
xgifb_info->rate_idx = XGIfb_vrate[i].idx;
|
break;
|
}
|
i++;
|
}
|
|
if (xgifb_info->rate_idx > 0)
|
return xgifb_info->rate_idx;
|
pr_info("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)
|
return;
|
|
while (XGI_tvtype[i].type_no != -1) {
|
if (!strcmp(name, XGI_tvtype[i].name)) {
|
XGIfb_tvmode = XGI_tvtype[i].type_no;
|
break;
|
}
|
i++;
|
}
|
}
|
|
/* ----------- FBDev related routines for all series ----------- */
|
|
static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
|
struct fb_var_screeninfo *var)
|
{
|
switch (var->bits_per_pixel) {
|
case 8:
|
var->red.offset = 0;
|
var->green.offset = 0;
|
var->blue.offset = 0;
|
var->red.length = 6;
|
var->green.length = 6;
|
var->blue.length = 6;
|
xgifb_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;
|
xgifb_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;
|
xgifb_info->video_cmap_len = 16;
|
break;
|
}
|
}
|
|
/* --------------------- SetMode routines ------------------------- */
|
|
static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
|
{
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
u8 cr30 = 0, cr31 = 0;
|
|
cr31 = xgifb_reg_get(vb->P3d4, 0x31);
|
cr31 &= ~0x60;
|
|
switch (xgifb_info->display2) {
|
case XGIFB_DISP_CRT:
|
cr30 = SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE;
|
cr31 |= SIS_DRIVER_MODE;
|
break;
|
case XGIFB_DISP_LCD:
|
cr30 = SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE;
|
cr31 |= SIS_DRIVER_MODE;
|
break;
|
case XGIFB_DISP_TV:
|
if (xgifb_info->TV_type == TVMODE_HIVISION)
|
cr30 = SIS_VB_OUTPUT_HIVISION
|
| SIS_SIMULTANEOUS_VIEW_ENABLE;
|
else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
|
cr30 = SIS_VB_OUTPUT_SVIDEO
|
| SIS_SIMULTANEOUS_VIEW_ENABLE;
|
else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
|
cr30 = SIS_VB_OUTPUT_COMPOSITE
|
| SIS_SIMULTANEOUS_VIEW_ENABLE;
|
else if (xgifb_info->TV_plug == TVPLUG_SCART)
|
cr30 = SIS_VB_OUTPUT_SCART
|
| SIS_SIMULTANEOUS_VIEW_ENABLE;
|
cr31 |= SIS_DRIVER_MODE;
|
|
if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
|
cr31 |= 0x01;
|
else
|
cr31 &= ~0x01;
|
break;
|
default: /* disable CRT2 */
|
cr30 = 0x00;
|
cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
|
}
|
|
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR30, cr30);
|
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR31, cr31);
|
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR33,
|
(xgifb_info->rate_idx & 0x0F));
|
}
|
|
static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
|
{
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
u8 reg;
|
unsigned char doit = 1;
|
|
if (xgifb_info->video_bpp == 8) {
|
/*
|
* We can't switch off CRT1 on LVDS/Chrontel
|
* in 8bpp Modes
|
*/
|
if ((xgifb_info->hasVB == HASVB_LVDS) ||
|
(xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
|
doit = 0;
|
}
|
/*
|
* We can't switch off CRT1 on 301B-DH
|
* in 8bpp Modes if using LCD
|
*/
|
if (xgifb_info->display2 == XGIFB_DISP_LCD)
|
doit = 0;
|
}
|
|
/* We can't switch off CRT1 if bridge is in slave mode */
|
if (xgifb_info->hasVB != HASVB_NONE) {
|
reg = xgifb_reg_get(vb->Part1Port, 0x00);
|
|
if ((reg & 0x50) == 0x10)
|
doit = 0;
|
|
} else {
|
XGIfb_crt1off = 0;
|
}
|
|
reg = xgifb_reg_get(vb->P3d4, 0x17);
|
if ((XGIfb_crt1off) && (doit))
|
reg &= ~0x80;
|
else
|
reg |= 0x80;
|
xgifb_reg_set(vb->P3d4, 0x17, reg);
|
|
xgifb_reg_and(vb->P3c4, IND_SIS_RAMDAC_CONTROL, ~0x04);
|
|
if (xgifb_info->display2 == XGIFB_DISP_TV &&
|
xgifb_info->hasVB == HASVB_301) {
|
reg = xgifb_reg_get(vb->Part4Port, 0x01);
|
|
if (reg < 0xB0) { /* Set filter for XGI301 */
|
int filter_tb;
|
|
switch (xgifb_info->video_width) {
|
case 320:
|
filter_tb = (xgifb_info->TV_type ==
|
TVMODE_NTSC) ? 4 : 12;
|
break;
|
case 640:
|
filter_tb = (xgifb_info->TV_type ==
|
TVMODE_NTSC) ? 5 : 13;
|
break;
|
case 720:
|
filter_tb = (xgifb_info->TV_type ==
|
TVMODE_NTSC) ? 6 : 14;
|
break;
|
case 800:
|
filter_tb = (xgifb_info->TV_type ==
|
TVMODE_NTSC) ? 7 : 15;
|
break;
|
default:
|
filter_tb = 0;
|
filter = -1;
|
break;
|
}
|
xgifb_reg_or(vb->Part1Port, SIS_CRT2_WENABLE_315, 0x01);
|
|
if (xgifb_info->TV_type == TVMODE_NTSC) {
|
xgifb_reg_and(vb->Part2Port, 0x3a, 0x1f);
|
|
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
|
xgifb_reg_and(vb->Part2Port, 0x30, 0xdf);
|
|
} else if (xgifb_info->TV_plug
|
== TVPLUG_COMPOSITE) {
|
xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
|
|
switch (xgifb_info->video_width) {
|
case 640:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xEB);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0x04);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x25);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0x18);
|
break;
|
case 720:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xEE);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0x0C);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x22);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0x08);
|
break;
|
case 800:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xEB);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0x15);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x25);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0xF6);
|
break;
|
}
|
}
|
|
} else if (xgifb_info->TV_type == TVMODE_PAL) {
|
xgifb_reg_and(vb->Part2Port, 0x3A, 0x1F);
|
|
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
|
xgifb_reg_and(vb->Part2Port, 0x30, 0xDF);
|
|
} else if (xgifb_info->TV_plug
|
== TVPLUG_COMPOSITE) {
|
xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
|
|
switch (xgifb_info->video_width) {
|
case 640:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xF1);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0xF7);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x1F);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0x32);
|
break;
|
case 720:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xF3);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0x00);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x1D);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0x20);
|
break;
|
case 800:
|
xgifb_reg_set(vb->Part2Port,
|
0x35,
|
0xFC);
|
xgifb_reg_set(vb->Part2Port,
|
0x36,
|
0xFB);
|
xgifb_reg_set(vb->Part2Port,
|
0x37,
|
0x14);
|
xgifb_reg_set(vb->Part2Port,
|
0x38,
|
0x2A);
|
break;
|
}
|
}
|
}
|
|
if ((filter >= 0) && (filter <= 7)) {
|
const u8 *f = XGI_TV_filter[filter_tb].filter[filter];
|
|
pr_debug("FilterTable[%d]-%d: %*ph\n",
|
filter_tb, filter, 4, f);
|
xgifb_reg_set(vb->Part2Port, 0x35, f[0]);
|
xgifb_reg_set(vb->Part2Port, 0x36, f[1]);
|
xgifb_reg_set(vb->Part2Port, 0x37, f[2]);
|
xgifb_reg_set(vb->Part2Port, 0x38, f[3]);
|
}
|
}
|
}
|
}
|
|
static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
|
struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
struct xgi_hw_device_info *hw_info = &xgifb_info->hw_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(__BIG_ENDIAN)
|
u8 cr_data;
|
#endif
|
unsigned int drate = 0, hrate = 0;
|
int found_mode = 0;
|
int old_mode;
|
|
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;
|
|
if (!htotal || !vtotal) {
|
pr_debug("Invalid 'var' information\n");
|
return -EINVAL;
|
} pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
|
var->pixclock, htotal, vtotal);
|
|
if (var->pixclock) {
|
drate = 1000000000 / var->pixclock;
|
hrate = (drate * 1000) / htotal;
|
xgifb_info->refresh_rate = (unsigned int)(hrate * 2
|
/ vtotal);
|
} else {
|
xgifb_info->refresh_rate = 60;
|
}
|
|
pr_debug("Change mode to %dx%dx%d-%dHz\n",
|
var->xres, var->yres, var->bits_per_pixel,
|
xgifb_info->refresh_rate);
|
|
old_mode = xgifb_info->mode_idx;
|
xgifb_info->mode_idx = 0;
|
|
while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
|
(XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
|
if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
|
(XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
|
(XGIbios_mode[xgifb_info->mode_idx].bpp
|
== var->bits_per_pixel)) {
|
found_mode = 1;
|
break;
|
}
|
xgifb_info->mode_idx++;
|
}
|
|
if (found_mode)
|
xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
|
xgifb_info->mode_idx);
|
else
|
xgifb_info->mode_idx = -1;
|
|
if (xgifb_info->mode_idx < 0) {
|
pr_err("Mode %dx%dx%d not supported\n",
|
var->xres, var->yres, var->bits_per_pixel);
|
xgifb_info->mode_idx = old_mode;
|
return -EINVAL;
|
}
|
|
if (XGIfb_search_refresh_rate(xgifb_info,
|
xgifb_info->refresh_rate) == 0) {
|
xgifb_info->rate_idx = 1;
|
xgifb_info->refresh_rate = 60;
|
}
|
|
if (isactive) {
|
XGIfb_pre_setmode(xgifb_info);
|
if (XGISetModeNew(xgifb_info, hw_info,
|
XGIbios_mode[xgifb_info->mode_idx].mode_no)
|
== 0) {
|
pr_err("Setting mode[0x%x] failed\n",
|
XGIbios_mode[xgifb_info->mode_idx].mode_no);
|
return -EINVAL;
|
}
|
info->fix.line_length = (info->var.xres_virtual
|
* info->var.bits_per_pixel) >> 6;
|
|
xgifb_reg_set(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
|
|
xgifb_reg_set(vb->P3d4, 0x13, (info->fix.line_length & 0x00ff));
|
xgifb_reg_set(vb->P3c4, 0x0E,
|
(info->fix.line_length & 0xff00) >> 8);
|
|
XGIfb_post_setmode(xgifb_info);
|
|
pr_debug("Set new mode: %dx%dx%d-%d\n",
|
XGIbios_mode[xgifb_info->mode_idx].xres,
|
XGIbios_mode[xgifb_info->mode_idx].yres,
|
XGIbios_mode[xgifb_info->mode_idx].bpp,
|
xgifb_info->refresh_rate);
|
|
xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
|
xgifb_info->video_vwidth = info->var.xres_virtual;
|
xgifb_info->video_width =
|
XGIbios_mode[xgifb_info->mode_idx].xres;
|
xgifb_info->video_vheight = info->var.yres_virtual;
|
xgifb_info->video_height =
|
XGIbios_mode[xgifb_info->mode_idx].yres;
|
xgifb_info->org_x = 0;
|
xgifb_info->org_y = 0;
|
xgifb_info->video_linelength = info->var.xres_virtual
|
* (xgifb_info->video_bpp >> 3);
|
switch (xgifb_info->video_bpp) {
|
case 8:
|
xgifb_info->DstColor = 0x0000;
|
xgifb_info->XGI310_AccelDepth = 0x00000000;
|
xgifb_info->video_cmap_len = 256;
|
#if defined(__BIG_ENDIAN)
|
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
|
xgifb_reg_set(vb->P3d4, 0x4D, (cr_data & 0xE0));
|
#endif
|
break;
|
case 16:
|
xgifb_info->DstColor = 0x8000;
|
xgifb_info->XGI310_AccelDepth = 0x00010000;
|
#if defined(__BIG_ENDIAN)
|
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
|
xgifb_reg_set(vb->P3d4, 0x4D, ((cr_data & 0xE0) | 0x0B));
|
#endif
|
xgifb_info->video_cmap_len = 16;
|
break;
|
case 32:
|
xgifb_info->DstColor = 0xC000;
|
xgifb_info->XGI310_AccelDepth = 0x00020000;
|
xgifb_info->video_cmap_len = 16;
|
#if defined(__BIG_ENDIAN)
|
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
|
xgifb_reg_set(vb->P3d4, 0x4D, ((cr_data & 0xE0) | 0x15));
|
#endif
|
break;
|
default:
|
xgifb_info->video_cmap_len = 16;
|
pr_err("Unsupported depth %d\n",
|
xgifb_info->video_bpp);
|
break;
|
}
|
}
|
XGIfb_bpp_to_var(xgifb_info, var); /* update ARGB info */
|
|
dumpVGAReg(xgifb_info);
|
return 0;
|
}
|
|
static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
unsigned int base;
|
|
base = var->yoffset * info->var.xres_virtual + var->xoffset;
|
|
/* calculate base bpp dep. */
|
switch (info->var.bits_per_pixel) {
|
case 16:
|
base >>= 1;
|
break;
|
case 32:
|
break;
|
case 8:
|
default:
|
base >>= 2;
|
break;
|
}
|
|
xgifb_reg_set(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
|
|
xgifb_reg_set(vb->P3d4, 0x0D, base & 0xFF);
|
xgifb_reg_set(vb->P3d4, 0x0C, (base >> 8) & 0xFF);
|
xgifb_reg_set(vb->P3c4, 0x0D, (base >> 16) & 0xFF);
|
xgifb_reg_set(vb->P3c4, 0x37, (base >> 24) & 0x03);
|
xgifb_reg_and_or(vb->P3c4, 0x37, 0xDF, (base >> 21) & 0x04);
|
|
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
|
xgifb_reg_or(vb->Part1Port, SIS_CRT2_WENABLE_315, 0x01);
|
xgifb_reg_set(vb->Part1Port, 0x06, (base & 0xFF));
|
xgifb_reg_set(vb->Part1Port, 0x05, ((base >> 8) & 0xFF));
|
xgifb_reg_set(vb->Part1Port, 0x04, ((base >> 16) & 0xFF));
|
xgifb_reg_and_or(vb->Part1Port, 0x02, 0x7F,
|
((base >> 24) & 0x01) << 7);
|
}
|
return 0;
|
}
|
|
static int XGIfb_open(struct fb_info *info, int user)
|
{
|
return 0;
|
}
|
|
static int XGIfb_release(struct fb_info *info, int user)
|
{
|
return 0;
|
}
|
|
/* similar to sisfb_get_cmap_len */
|
static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
|
{
|
return (var->bits_per_pixel == 8) ? 256 : 16;
|
}
|
|
static int XGIfb_setcolreg(unsigned int regno, unsigned int red,
|
unsigned int green, unsigned int blue,
|
unsigned int transp, struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
|
if (regno >= XGIfb_get_cmap_len(&info->var))
|
return 1;
|
|
switch (info->var.bits_per_pixel) {
|
case 8:
|
outb(regno, vb->P3c8);
|
outb((red >> 10), vb->P3c9);
|
outb((green >> 10), vb->P3c9);
|
outb((blue >> 10), vb->P3c9);
|
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
|
outb(regno, vb->Part5Port);
|
outb((red >> 8), (vb->Part5Port + 1));
|
outb((green >> 8), (vb->Part5Port + 1));
|
outb((blue >> 8), (vb->Part5Port + 1));
|
}
|
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;
|
}
|
|
/* ----------- FBDev related routines for all series ---------- */
|
|
static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
|
struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
|
memset(fix, 0, sizeof(struct fb_fix_screeninfo));
|
|
strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
|
|
/* if register_framebuffer has been called, we must lock */
|
if (atomic_read(&info->count))
|
mutex_lock(&info->mm_lock);
|
|
fix->smem_start = xgifb_info->video_base;
|
fix->smem_len = xgifb_info->video_size;
|
|
/* if register_framebuffer has been called, we can unlock */
|
if (atomic_read(&info->count))
|
mutex_unlock(&info->mm_lock);
|
|
fix->type = FB_TYPE_PACKED_PIXELS;
|
fix->type_aux = 0;
|
if (xgifb_info->video_bpp == 8)
|
fix->visual = FB_VISUAL_PSEUDOCOLOR;
|
else
|
fix->visual = FB_VISUAL_DIRECTCOLOR;
|
fix->xpanstep = 0;
|
if (XGIfb_ypan)
|
fix->ypanstep = 1;
|
fix->ywrapstep = 0;
|
fix->line_length = xgifb_info->video_linelength;
|
fix->mmio_start = xgifb_info->mmio_base;
|
fix->mmio_len = xgifb_info->mmio_size;
|
fix->accel = FB_ACCEL_SIS_XABRE;
|
|
return 0;
|
}
|
|
static int XGIfb_set_par(struct fb_info *info)
|
{
|
int err;
|
|
err = XGIfb_do_set_var(&info->var, 1, info);
|
if (err)
|
return err;
|
XGIfb_get_fix(&info->fix, -1, info);
|
return 0;
|
}
|
|
static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
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 search_idx;
|
|
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)) {
|
pr_debug("No valid timing data\n");
|
return -EINVAL;
|
}
|
|
if (var->pixclock && htotal && vtotal) {
|
drate = 1000000000 / var->pixclock;
|
hrate = (drate * 1000) / htotal;
|
xgifb_info->refresh_rate =
|
(unsigned int)(hrate * 2 / vtotal);
|
pr_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, xgifb_info->refresh_rate);
|
} else {
|
xgifb_info->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(xgifb_info, search_idx) > 0) {
|
found_mode = 1;
|
break;
|
}
|
}
|
search_idx++;
|
}
|
|
if (!found_mode) {
|
pr_err("%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(xgifb_info,
|
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;
|
pr_debug("Adapted to mode %dx%dx%d\n",
|
var->xres, var->yres, var->bits_per_pixel);
|
|
} else {
|
pr_err("Failed to find similar mode to %dx%dx%d\n",
|
var->xres, var->yres, var->bits_per_pixel);
|
return -EINVAL;
|
}
|
}
|
|
/* Adapt RGB settings */
|
XGIfb_bpp_to_var(xgifb_info, var);
|
|
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;
|
}
|
|
/* 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 = 0;
|
var->green.msb_right = 0;
|
var->blue.msb_right = 0;
|
var->transp.offset = 0;
|
var->transp.length = 0;
|
var->transp.msb_right = 0;
|
|
return 0;
|
}
|
|
static int XGIfb_pan_display(struct fb_var_screeninfo *var,
|
struct fb_info *info)
|
{
|
int err;
|
|
if (var->xoffset > (info->var.xres_virtual - info->var.xres))
|
return -EINVAL;
|
if (var->yoffset > (info->var.yres_virtual - info->var.yres))
|
return -EINVAL;
|
|
if (var->vmode & FB_VMODE_YWRAP) {
|
if (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;
|
}
|
err = XGIfb_pan_var(var, info);
|
if (err < 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;
|
|
return 0;
|
}
|
|
static int XGIfb_blank(int blank, struct fb_info *info)
|
{
|
struct xgifb_video_info *xgifb_info = info->par;
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
u8 reg;
|
|
reg = xgifb_reg_get(vb->P3d4, 0x17);
|
|
if (blank > 0)
|
reg &= 0x7f;
|
else
|
reg |= 0x80;
|
|
xgifb_reg_set(vb->P3d4, 0x17, reg);
|
xgifb_reg_set(vb->P3c4, 0x00, 0x01); /* Synchronous Reset */
|
xgifb_reg_set(vb->P3c4, 0x00, 0x03); /* End Reset */
|
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,
|
.fb_pan_display = XGIfb_pan_display,
|
.fb_blank = XGIfb_blank,
|
.fb_fillrect = cfb_fillrect,
|
.fb_copyarea = cfb_copyarea,
|
.fb_imageblit = cfb_imageblit,
|
};
|
|
/* ---------------- Chip generation dependent routines ---------------- */
|
|
/* for XGI 315/550/650/740/330 */
|
|
static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
|
{
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
u8 ChannelNum, tmp;
|
u8 reg = 0;
|
|
/* xorg driver sets 32MB * 1 channel */
|
if (xgifb_info->chip == XG27)
|
xgifb_reg_set(vb->P3c4, IND_SIS_DRAM_SIZE, 0x51);
|
|
reg = xgifb_reg_get(vb->P3c4, IND_SIS_DRAM_SIZE);
|
if (!reg)
|
return -1;
|
|
switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
|
case XGI_DRAM_SIZE_1MB:
|
xgifb_info->video_size = 0x100000;
|
break;
|
case XGI_DRAM_SIZE_2MB:
|
xgifb_info->video_size = 0x200000;
|
break;
|
case XGI_DRAM_SIZE_4MB:
|
xgifb_info->video_size = 0x400000;
|
break;
|
case XGI_DRAM_SIZE_8MB:
|
xgifb_info->video_size = 0x800000;
|
break;
|
case XGI_DRAM_SIZE_16MB:
|
xgifb_info->video_size = 0x1000000;
|
break;
|
case XGI_DRAM_SIZE_32MB:
|
xgifb_info->video_size = 0x2000000;
|
break;
|
case XGI_DRAM_SIZE_64MB:
|
xgifb_info->video_size = 0x4000000;
|
break;
|
case XGI_DRAM_SIZE_128MB:
|
xgifb_info->video_size = 0x8000000;
|
break;
|
case XGI_DRAM_SIZE_256MB:
|
xgifb_info->video_size = 0x10000000;
|
break;
|
default:
|
return -1;
|
}
|
|
tmp = (reg & 0x0c) >> 2;
|
switch (xgifb_info->chip) {
|
case XG20:
|
case XG21:
|
case XG27:
|
ChannelNum = 1;
|
break;
|
|
case XG42:
|
if (reg & 0x04)
|
ChannelNum = 2;
|
else
|
ChannelNum = 1;
|
break;
|
|
case XG40:
|
default:
|
if (tmp == 2)
|
ChannelNum = 2;
|
else if (tmp == 3)
|
ChannelNum = 3;
|
else
|
ChannelNum = 1;
|
break;
|
}
|
|
xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
|
|
pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
|
reg, xgifb_info->video_size, ChannelNum);
|
return 0;
|
}
|
|
static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
|
{
|
struct vb_device_info *vb = &xgifb_info->dev_info;
|
u8 cr32, temp = 0;
|
|
xgifb_info->TV_plug = 0;
|
xgifb_info->TV_type = 0;
|
|
cr32 = xgifb_reg_get(vb->P3d4, IND_XGI_SCRATCH_REG_CR32);
|
|
if ((cr32 & SIS_CRT1) && !XGIfb_crt1off) {
|
XGIfb_crt1off = 0;
|
} else {
|
if (cr32 & 0x5F)
|
XGIfb_crt1off = 1;
|
else
|
XGIfb_crt1off = 0;
|
}
|
|
if (!xgifb_info->display2_force) {
|
if (cr32 & SIS_VB_TV)
|
xgifb_info->display2 = XGIFB_DISP_TV;
|
else if (cr32 & SIS_VB_LCD)
|
xgifb_info->display2 = XGIFB_DISP_LCD;
|
else if (cr32 & SIS_VB_CRT2)
|
xgifb_info->display2 = XGIFB_DISP_CRT;
|
else
|
xgifb_info->display2 = XGIFB_DISP_NONE;
|
}
|
|
if (XGIfb_tvplug != -1) {
|
/* Override with option */
|
xgifb_info->TV_plug = XGIfb_tvplug;
|
} else if (cr32 & SIS_VB_HIVISION) {
|
xgifb_info->TV_type = TVMODE_HIVISION;
|
xgifb_info->TV_plug = TVPLUG_SVIDEO;
|
} else if (cr32 & SIS_VB_SVIDEO) {
|
xgifb_info->TV_plug = TVPLUG_SVIDEO;
|
} else if (cr32 & SIS_VB_COMPOSITE) {
|
xgifb_info->TV_plug = TVPLUG_COMPOSITE;
|
} else if (cr32 & SIS_VB_SCART) {
|
xgifb_info->TV_plug = TVPLUG_SCART;
|
}
|
|
if (xgifb_info->TV_type == 0) {
|
temp = xgifb_reg_get(vb->P3d4, 0x38);
|
if (temp & 0x10)
|
xgifb_info->TV_type = TVMODE_PAL;
|
else
|
xgifb_info->TV_type = TVMODE_NTSC;
|
}
|
|
/* Copy forceCRT1 option to CRT1off if option is given */
|
if (XGIfb_forcecrt1 != -1) {
|
if (XGIfb_forcecrt1)
|
XGIfb_crt1off = 0;
|
else
|
XGIfb_crt1off = 1;
|
}
|
}
|
|
static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
|
{
|
u8 vb_chipid;
|
|
vb_chipid = xgifb_reg_get(xgifb_info->dev_info.Part4Port, 0x00);
|
switch (vb_chipid) {
|
case 0x01:
|
xgifb_info->hasVB = HASVB_301;
|
break;
|
case 0x02:
|
xgifb_info->hasVB = HASVB_302;
|
break;
|
default:
|
xgifb_info->hasVB = HASVB_NONE;
|
return false;
|
}
|
return true;
|
}
|
|
static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
|
{
|
u8 reg;
|
|
if (!XGIfb_has_VB(xgifb_info)) {
|
reg = xgifb_reg_get(xgifb_info->dev_info.P3d4,
|
IND_XGI_SCRATCH_REG_CR37);
|
switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
|
case SIS_EXTERNAL_CHIP_LVDS:
|
xgifb_info->hasVB = HASVB_LVDS;
|
break;
|
case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
|
xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
|
break;
|
default:
|
break;
|
}
|
}
|
}
|
|
static int __init xgifb_optval(char *fullopt, int validx)
|
{
|
unsigned long lres;
|
|
if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
|
pr_err("Invalid value for option: %s\n", fullopt);
|
return 0;
|
}
|
return lres;
|
}
|
|
static int __init XGIfb_setup(char *options)
|
{
|
char *this_opt;
|
|
if (!options || !*options)
|
return 0;
|
|
pr_info("Options: %s\n", options);
|
|
while ((this_opt = strsep(&options, ",")) != NULL) {
|
if (!*this_opt)
|
continue;
|
|
if (!strncmp(this_opt, "mode:", 5)) {
|
mode = this_opt + 5;
|
} else if (!strncmp(this_opt, "vesa:", 5)) {
|
vesa = xgifb_optval(this_opt, 5);
|
} else if (!strncmp(this_opt, "vrate:", 6)) {
|
refresh_rate = xgifb_optval(this_opt, 6);
|
} else if (!strncmp(this_opt, "rate:", 5)) {
|
refresh_rate = xgifb_optval(this_opt, 5);
|
} else if (!strncmp(this_opt, "crt1off", 7)) {
|
XGIfb_crt1off = 1;
|
} else if (!strncmp(this_opt, "filter:", 7)) {
|
filter = xgifb_optval(this_opt, 7);
|
} else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
|
XGIfb_search_crt2type(this_opt + 14);
|
} else if (!strncmp(this_opt, "forcecrt1:", 10)) {
|
XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
|
} 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, "dstn", 4)) {
|
enable_dstn = 1;
|
/* DSTN overrules forcecrt2type */
|
XGIfb_crt2type = XGIFB_DISP_LCD;
|
} else if (!strncmp(this_opt, "noypan", 6)) {
|
XGIfb_ypan = 0;
|
} else {
|
mode = this_opt;
|
}
|
}
|
return 0;
|
}
|
|
static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
{
|
u8 reg, reg1;
|
u8 CR48, CR38;
|
int ret;
|
struct fb_info *fb_info;
|
struct xgifb_video_info *xgifb_info;
|
struct vb_device_info *vb;
|
struct xgi_hw_device_info *hw_info;
|
unsigned long video_size_max;
|
|
fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
|
if (!fb_info)
|
return -ENOMEM;
|
|
xgifb_info = fb_info->par;
|
vb = &xgifb_info->dev_info;
|
hw_info = &xgifb_info->hw_info;
|
xgifb_info->fb_info = fb_info;
|
xgifb_info->chip_id = pdev->device;
|
pci_read_config_byte(pdev,
|
PCI_REVISION_ID,
|
&xgifb_info->revision_id);
|
hw_info->jChipRevision = xgifb_info->revision_id;
|
|
xgifb_info->pcibus = pdev->bus->number;
|
xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
|
xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
|
xgifb_info->subsysvendor = pdev->subsystem_vendor;
|
xgifb_info->subsysdevice = pdev->subsystem_device;
|
|
video_size_max = pci_resource_len(pdev, 0);
|
xgifb_info->video_base = pci_resource_start(pdev, 0);
|
xgifb_info->mmio_base = pci_resource_start(pdev, 1);
|
xgifb_info->mmio_size = pci_resource_len(pdev, 1);
|
xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
|
dev_info(&pdev->dev, "Relocate IO address: %llx [%08lx]\n",
|
(u64)pci_resource_start(pdev, 2),
|
xgifb_info->vga_base);
|
|
if (pci_enable_device(pdev)) {
|
ret = -EIO;
|
goto error;
|
}
|
|
if (XGIfb_crt2type != -1) {
|
xgifb_info->display2 = XGIfb_crt2type;
|
xgifb_info->display2_force = true;
|
}
|
|
XGIRegInit(vb, xgifb_info->vga_base);
|
|
xgifb_reg_set(vb->P3c4,
|
IND_SIS_PASSWORD, SIS_PASSWORD);
|
reg1 = xgifb_reg_get(vb->P3c4, IND_SIS_PASSWORD);
|
|
if (reg1 != 0xa1) { /* I/O error */
|
dev_err(&pdev->dev, "I/O error\n");
|
ret = -EIO;
|
goto error_disable;
|
}
|
|
switch (xgifb_info->chip_id) {
|
case PCI_DEVICE_ID_XGI_20:
|
xgifb_reg_or(vb->P3d4,
|
Index_CR_GPIO_Reg3, GPIOG_EN);
|
CR48 = xgifb_reg_get(vb->P3d4,
|
Index_CR_GPIO_Reg1);
|
if (CR48 & GPIOG_READ)
|
xgifb_info->chip = XG21;
|
else
|
xgifb_info->chip = XG20;
|
break;
|
case PCI_DEVICE_ID_XGI_40:
|
xgifb_info->chip = XG40;
|
break;
|
case PCI_DEVICE_ID_XGI_42:
|
xgifb_info->chip = XG42;
|
break;
|
case PCI_DEVICE_ID_XGI_27:
|
xgifb_info->chip = XG27;
|
break;
|
default:
|
ret = -ENODEV;
|
goto error_disable;
|
}
|
|
dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
|
hw_info->jChipType = xgifb_info->chip;
|
|
if (XGIfb_get_dram_size(xgifb_info)) {
|
xgifb_info->video_size = min_t(unsigned long, video_size_max,
|
SZ_16M);
|
} else if (xgifb_info->video_size > video_size_max) {
|
xgifb_info->video_size = video_size_max;
|
}
|
|
/* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
|
xgifb_reg_or(vb->P3c4,
|
IND_SIS_PCI_ADDRESS_SET,
|
(SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
|
/* Enable 2D accelerator engine */
|
xgifb_reg_or(vb->P3c4,
|
IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
|
|
hw_info->ulVideoMemorySize = xgifb_info->video_size;
|
|
if (!request_mem_region(xgifb_info->video_base,
|
xgifb_info->video_size,
|
"XGIfb FB")) {
|
dev_err(&pdev->dev, "Unable request memory size %x\n",
|
xgifb_info->video_size);
|
dev_err(&pdev->dev,
|
"Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
|
ret = -ENODEV;
|
goto error_disable;
|
}
|
|
if (!request_mem_region(xgifb_info->mmio_base,
|
xgifb_info->mmio_size,
|
"XGIfb MMIO")) {
|
dev_err(&pdev->dev,
|
"Fatal error: Unable to reserve MMIO region\n");
|
ret = -ENODEV;
|
goto error_0;
|
}
|
|
xgifb_info->video_vbase =
|
ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
|
hw_info->pjVideoMemoryAddress =
|
ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
|
xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
|
xgifb_info->mmio_size);
|
|
dev_info(&pdev->dev,
|
"Framebuffer at 0x%llx, mapped to 0x%p, size %dk\n",
|
(u64)xgifb_info->video_base,
|
xgifb_info->video_vbase,
|
xgifb_info->video_size / 1024);
|
|
dev_info(&pdev->dev,
|
"MMIO at 0x%llx, mapped to 0x%p, size %ldk\n",
|
(u64)xgifb_info->mmio_base, xgifb_info->mmio_vbase,
|
xgifb_info->mmio_size / 1024);
|
|
pci_set_drvdata(pdev, xgifb_info);
|
if (!XGIInitNew(pdev))
|
dev_err(&pdev->dev, "XGIInitNew() failed!\n");
|
|
xgifb_info->mtrr = -1;
|
|
xgifb_info->hasVB = HASVB_NONE;
|
if ((xgifb_info->chip == XG20) ||
|
(xgifb_info->chip == XG27)) {
|
xgifb_info->hasVB = HASVB_NONE;
|
} else if (xgifb_info->chip == XG21) {
|
CR38 = xgifb_reg_get(vb->P3d4, 0x38);
|
if ((CR38 & 0xE0) == 0xC0)
|
xgifb_info->display2 = XGIFB_DISP_LCD;
|
else if ((CR38 & 0xE0) == 0x60)
|
xgifb_info->hasVB = HASVB_CHRONTEL;
|
else
|
xgifb_info->hasVB = HASVB_NONE;
|
} else {
|
XGIfb_get_VB_type(xgifb_info);
|
}
|
|
hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
|
|
hw_info->ulExternalChip = 0;
|
|
switch (xgifb_info->hasVB) {
|
case HASVB_301:
|
reg = xgifb_reg_get(vb->Part4Port, 0x01);
|
if (reg >= 0xE0) {
|
hw_info->ujVBChipID = VB_CHIP_302LV;
|
dev_info(&pdev->dev,
|
"XGI302LV bridge detected (revision 0x%02x)\n",
|
reg);
|
} else if (reg >= 0xD0) {
|
hw_info->ujVBChipID = VB_CHIP_301LV;
|
dev_info(&pdev->dev,
|
"XGI301LV bridge detected (revision 0x%02x)\n",
|
reg);
|
} else {
|
hw_info->ujVBChipID = VB_CHIP_301;
|
dev_info(&pdev->dev, "XGI301 bridge detected\n");
|
}
|
break;
|
case HASVB_302:
|
reg = xgifb_reg_get(vb->Part4Port, 0x01);
|
if (reg >= 0xE0) {
|
hw_info->ujVBChipID = VB_CHIP_302LV;
|
dev_info(&pdev->dev,
|
"XGI302LV bridge detected (revision 0x%02x)\n",
|
reg);
|
} else if (reg >= 0xD0) {
|
hw_info->ujVBChipID = VB_CHIP_301LV;
|
dev_info(&pdev->dev,
|
"XGI302LV bridge detected (revision 0x%02x)\n",
|
reg);
|
} else if (reg >= 0xB0) {
|
reg1 = xgifb_reg_get(vb->Part4Port,
|
0x23);
|
|
hw_info->ujVBChipID = VB_CHIP_302B;
|
|
} else {
|
hw_info->ujVBChipID = VB_CHIP_302;
|
dev_info(&pdev->dev, "XGI302 bridge detected\n");
|
}
|
break;
|
case HASVB_LVDS:
|
hw_info->ulExternalChip = 0x1;
|
dev_info(&pdev->dev, "LVDS transmitter detected\n");
|
break;
|
case HASVB_TRUMPION:
|
hw_info->ulExternalChip = 0x2;
|
dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
|
break;
|
case HASVB_CHRONTEL:
|
hw_info->ulExternalChip = 0x4;
|
dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
|
break;
|
case HASVB_LVDS_CHRONTEL:
|
hw_info->ulExternalChip = 0x5;
|
dev_info(&pdev->dev,
|
"LVDS transmitter and Chrontel TV encoder detected\n");
|
break;
|
default:
|
dev_info(&pdev->dev, "No or unknown bridge type detected\n");
|
break;
|
}
|
|
if (xgifb_info->hasVB != HASVB_NONE)
|
XGIfb_detect_VB(xgifb_info);
|
else if (xgifb_info->chip != XG21)
|
xgifb_info->display2 = XGIFB_DISP_NONE;
|
|
if (xgifb_info->display2 == XGIFB_DISP_LCD) {
|
if (!enable_dstn) {
|
reg = xgifb_reg_get(vb->P3d4,
|
IND_XGI_LCD_PANEL);
|
reg &= 0x0f;
|
hw_info->ulCRT2LCDType = XGI310paneltype[reg];
|
}
|
}
|
|
xgifb_info->mode_idx = -1;
|
|
if (mode)
|
XGIfb_search_mode(xgifb_info, mode);
|
else if (vesa != -1)
|
XGIfb_search_vesamode(xgifb_info, vesa);
|
|
if (xgifb_info->mode_idx >= 0)
|
xgifb_info->mode_idx =
|
XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
|
|
if (xgifb_info->mode_idx < 0) {
|
if (xgifb_info->display2 == XGIFB_DISP_LCD &&
|
xgifb_info->chip == XG21)
|
xgifb_info->mode_idx =
|
XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
|
else
|
xgifb_info->mode_idx = DEFAULT_MODE;
|
}
|
|
if (xgifb_info->mode_idx < 0) {
|
dev_err(&pdev->dev, "No supported video mode found\n");
|
ret = -EINVAL;
|
goto error_1;
|
}
|
|
/* set default refresh rate */
|
xgifb_info->refresh_rate = refresh_rate;
|
if (xgifb_info->refresh_rate == 0)
|
xgifb_info->refresh_rate = 60;
|
if (XGIfb_search_refresh_rate(xgifb_info, xgifb_info->refresh_rate) == 0) {
|
xgifb_info->rate_idx = 1;
|
xgifb_info->refresh_rate = 60;
|
}
|
|
xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
|
xgifb_info->video_vwidth =
|
xgifb_info->video_width =
|
XGIbios_mode[xgifb_info->mode_idx].xres;
|
xgifb_info->video_vheight =
|
xgifb_info->video_height =
|
XGIbios_mode[xgifb_info->mode_idx].yres;
|
xgifb_info->org_x = 0;
|
xgifb_info->org_y = 0;
|
xgifb_info->video_linelength =
|
xgifb_info->video_width *
|
(xgifb_info->video_bpp >> 3);
|
switch (xgifb_info->video_bpp) {
|
case 8:
|
xgifb_info->DstColor = 0x0000;
|
xgifb_info->XGI310_AccelDepth = 0x00000000;
|
xgifb_info->video_cmap_len = 256;
|
break;
|
case 16:
|
xgifb_info->DstColor = 0x8000;
|
xgifb_info->XGI310_AccelDepth = 0x00010000;
|
xgifb_info->video_cmap_len = 16;
|
break;
|
case 32:
|
xgifb_info->DstColor = 0xC000;
|
xgifb_info->XGI310_AccelDepth = 0x00020000;
|
xgifb_info->video_cmap_len = 16;
|
break;
|
default:
|
xgifb_info->video_cmap_len = 16;
|
pr_info("Unsupported depth %d\n",
|
xgifb_info->video_bpp);
|
break;
|
}
|
|
pr_info("Default mode is %dx%dx%d (%dHz)\n",
|
xgifb_info->video_width, xgifb_info->video_height,
|
xgifb_info->video_bpp, xgifb_info->refresh_rate);
|
|
fb_info->var.red.length = 8;
|
fb_info->var.green.length = 8;
|
fb_info->var.blue.length = 8;
|
fb_info->var.activate = FB_ACTIVATE_NOW;
|
fb_info->var.height = -1;
|
fb_info->var.width = -1;
|
fb_info->var.vmode = FB_VMODE_NONINTERLACED;
|
fb_info->var.xres = xgifb_info->video_width;
|
fb_info->var.xres_virtual = xgifb_info->video_width;
|
fb_info->var.yres = xgifb_info->video_height;
|
fb_info->var.yres_virtual = xgifb_info->video_height;
|
fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
|
|
XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
|
|
fb_info->var.pixclock = (u32)(1000000000 / XGIfb_mode_rate_to_dclock
|
(vb, hw_info,
|
XGIbios_mode[xgifb_info->mode_idx].mode_no));
|
|
if (XGIfb_mode_rate_to_ddata(vb, hw_info,
|
XGIbios_mode[xgifb_info->mode_idx].mode_no,
|
&fb_info->var.left_margin,
|
&fb_info->var.right_margin,
|
&fb_info->var.upper_margin,
|
&fb_info->var.lower_margin,
|
&fb_info->var.hsync_len,
|
&fb_info->var.vsync_len,
|
&fb_info->var.sync,
|
&fb_info->var.vmode)) {
|
if ((fb_info->var.vmode & FB_VMODE_MASK) ==
|
FB_VMODE_INTERLACED) {
|
fb_info->var.yres <<= 1;
|
fb_info->var.yres_virtual <<= 1;
|
} else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
|
FB_VMODE_DOUBLE) {
|
fb_info->var.pixclock >>= 1;
|
fb_info->var.yres >>= 1;
|
fb_info->var.yres_virtual >>= 1;
|
}
|
}
|
|
fb_info->flags = FBINFO_FLAG_DEFAULT;
|
fb_info->screen_base = xgifb_info->video_vbase;
|
fb_info->fbops = &XGIfb_ops;
|
XGIfb_get_fix(&fb_info->fix, -1, fb_info);
|
fb_info->pseudo_palette = xgifb_info->pseudo_palette;
|
|
fb_alloc_cmap(&fb_info->cmap, 256, 0);
|
|
xgifb_info->mtrr = arch_phys_wc_add(xgifb_info->video_base,
|
xgifb_info->video_size);
|
|
if (register_framebuffer(fb_info) < 0) {
|
ret = -EINVAL;
|
goto error_mtrr;
|
}
|
|
dumpVGAReg(xgifb_info);
|
|
return 0;
|
|
error_mtrr:
|
arch_phys_wc_del(xgifb_info->mtrr);
|
error_1:
|
iounmap(xgifb_info->mmio_vbase);
|
iounmap(xgifb_info->video_vbase);
|
release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
|
error_0:
|
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
|
error_disable:
|
pci_disable_device(pdev);
|
error:
|
framebuffer_release(fb_info);
|
return ret;
|
}
|
|
/* -------------------- PCI DEVICE HANDLING -------------------- */
|
|
static void xgifb_remove(struct pci_dev *pdev)
|
{
|
struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
|
struct fb_info *fb_info = xgifb_info->fb_info;
|
|
unregister_framebuffer(fb_info);
|
arch_phys_wc_del(xgifb_info->mtrr);
|
iounmap(xgifb_info->mmio_vbase);
|
iounmap(xgifb_info->video_vbase);
|
release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
|
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
|
pci_disable_device(pdev);
|
framebuffer_release(fb_info);
|
}
|
|
static struct pci_driver xgifb_driver = {
|
.name = "xgifb",
|
.id_table = xgifb_pci_table,
|
.probe = xgifb_probe,
|
.remove = xgifb_remove
|
};
|
|
/* -------------------- MODULE -------------------- */
|
|
module_param(mode, charp, 0000);
|
MODULE_PARM_DESC(mode,
|
"Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
|
|
module_param(forcecrt2type, charp, 0000);
|
MODULE_PARM_DESC(forcecrt2type,
|
"Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
|
|
module_param(vesa, int, 0000);
|
MODULE_PARM_DESC(vesa,
|
"Selects the desired default display mode by VESA mode number (eg. 0x117).");
|
|
module_param(filter, int, 0000);
|
MODULE_PARM_DESC(filter,
|
"Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
|
|
static int __init xgifb_init(void)
|
{
|
char *option = NULL;
|
|
if (forcecrt2type)
|
XGIfb_search_crt2type(forcecrt2type);
|
if (fb_get_options("xgifb", &option))
|
return -ENODEV;
|
XGIfb_setup(option);
|
|
return pci_register_driver(&xgifb_driver);
|
}
|
|
static void __exit xgifb_remove_module(void)
|
{
|
pci_unregister_driver(&xgifb_driver);
|
pr_debug("Module unloaded\n");
|
}
|
|
MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
|
MODULE_LICENSE("GPL");
|
MODULE_AUTHOR("XGITECH , Others");
|
module_init(xgifb_init);
|
module_exit(xgifb_remove_module);
|
