staging: xgifb: remove macros with hidden variable
authorJoshua Abraham <j.abraham1776@gmail.com>
Sat, 2 Dec 2017 01:39:09 +0000 (20:39 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Dec 2017 08:59:27 +0000 (09:59 +0100)
This patch removes macros in XGI_main.h that contain a xgifb_info
variable.  These macros hurt readability by hiding said variable
behind a define.  It also uses a temporary variable to keep the
replaced code from getting too long.

Signed-off-by: Joshua Abraham <j.abraham1776@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/xgifb/XGI_main.h
drivers/staging/xgifb/XGI_main_26.c

index a3af1cb..e19a829 100644 (file)
@@ -18,19 +18,6 @@ static const struct pci_device_id xgifb_pci_table[] = {
 
 MODULE_DEVICE_TABLE(pci, xgifb_pci_table);
 
-/* To be included in fb.h */
-#define XGISR                    (xgifb_info->dev_info.P3c4)
-#define XGICR                    (xgifb_info->dev_info.P3d4)
-#define XGIDACA                          (xgifb_info->dev_info.P3c8)
-#define XGIDACD                          (xgifb_info->dev_info.P3c9)
-#define XGIPART1                 (xgifb_info->dev_info.Part1Port)
-#define XGIPART2                 (xgifb_info->dev_info.Part2Port)
-#define XGIPART3                 (xgifb_info->dev_info.Part3Port)
-#define XGIPART4                 (xgifb_info->dev_info.Part4Port)
-#define XGIPART5                 (xgifb_info->dev_info.Part5Port)
-#define XGIDAC2A                  XGIPART5
-#define XGIDAC2D                  (XGIPART5 + 1)
-
 #define IND_XGI_SCRATCH_REG_CR30  0x30  /* CRs */
 #define IND_XGI_SCRATCH_REG_CR31  0x31
 #define IND_XGI_SCRATCH_REG_CR32  0x32
index 6feecc5..10107de 100644 (file)
@@ -32,18 +32,19 @@ static unsigned int refresh_rate;
 #ifdef DEBUG
 static void dumpVGAReg(struct xgifb_video_info *xgifb_info)
 {
+       struct vb_device_info *vb = &xgifb_info->dev_info;
        u8 i, reg;
 
-       xgifb_reg_set(XGISR, 0x05, 0x86);
+       xgifb_reg_set(vb->P3c4, 0x05, 0x86);
 
        for (i = 0; i < 0x4f; i++) {
-               reg = xgifb_reg_get(XGISR, i);
+               reg = xgifb_reg_get(vb->P3c4, i);
                pr_debug("o 3c4 %x\n", i);
                pr_debug("i 3c5 => %x\n", reg);
        }
 
        for (i = 0; i < 0xF0; i++) {
-               reg = xgifb_reg_get(XGICR, i);
+               reg = xgifb_reg_get(vb->P3d4, i);
                pr_debug("o 3d4 %x\n", i);
                pr_debug("i 3d5 => %x\n", reg);
        }
@@ -645,9 +646,10 @@ static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
 
 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(XGICR, 0x31);
+       cr31 = xgifb_reg_get(vb->P3d4, 0x31);
        cr31 &= ~0x60;
 
        switch (xgifb_info->display2) {
@@ -684,14 +686,15 @@ static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
                cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
        }
 
-       xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
-       xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
-       xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
+       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;
 
@@ -714,7 +717,7 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 
        /* We can't switch off CRT1 if bridge is in slave mode */
        if (xgifb_info->hasVB != HASVB_NONE) {
-               reg = xgifb_reg_get(XGIPART1, 0x00);
+               reg = xgifb_reg_get(vb->Part1Port, 0x00);
 
                if ((reg & 0x50) == 0x10)
                        doit = 0;
@@ -723,18 +726,18 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
                XGIfb_crt1off = 0;
        }
 
-       reg = xgifb_reg_get(XGICR, 0x17);
+       reg = xgifb_reg_get(vb->P3d4, 0x17);
        if ((XGIfb_crt1off) && (doit))
                reg &= ~0x80;
        else
                reg |= 0x80;
-       xgifb_reg_set(XGICR, 0x17, reg);
+       xgifb_reg_set(vb->P3d4, 0x17, reg);
 
-       xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
+       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(XGIPART4, 0x01);
+               reg = xgifb_reg_get(vb->Part4Port, 0x01);
 
                if (reg < 0xB0) { /* Set filter for XGI301 */
                        int filter_tb;
@@ -761,60 +764,58 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
                                filter = -1;
                                break;
                        }
-                       xgifb_reg_or(XGIPART1,
-                                    SIS_CRT2_WENABLE_315,
-                                    0x01);
+                       xgifb_reg_or(vb->Part1Port, SIS_CRT2_WENABLE_315, 0x01);
 
                        if (xgifb_info->TV_type == TVMODE_NTSC) {
-                               xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
+                               xgifb_reg_and(vb->Part2Port, 0x3a, 0x1f);
 
                                if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
-                                       xgifb_reg_and(XGIPART2, 0x30, 0xdf);
+                                       xgifb_reg_and(vb->Part2Port, 0x30, 0xdf);
 
                                } else if (xgifb_info->TV_plug
                                                == TVPLUG_COMPOSITE) {
-                                       xgifb_reg_or(XGIPART2, 0x30, 0x20);
+                                       xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
 
                                        switch (xgifb_info->video_width) {
                                        case 640:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xEB);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0x04);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x25);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0x18);
                                                break;
                                        case 720:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xEE);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0x0C);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x22);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0x08);
                                                break;
                                        case 800:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xEB);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0x15);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x25);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0xF6);
                                                break;
@@ -822,55 +823,55 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
                                }
 
                        } else if (xgifb_info->TV_type == TVMODE_PAL) {
-                               xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
+                               xgifb_reg_and(vb->Part2Port, 0x3A, 0x1F);
 
                                if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
-                                       xgifb_reg_and(XGIPART2, 0x30, 0xDF);
+                                       xgifb_reg_and(vb->Part2Port, 0x30, 0xDF);
 
                                } else if (xgifb_info->TV_plug
                                                == TVPLUG_COMPOSITE) {
-                                       xgifb_reg_or(XGIPART2, 0x30, 0x20);
+                                       xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
 
                                        switch (xgifb_info->video_width) {
                                        case 640:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xF1);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0xF7);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x1F);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0x32);
                                                break;
                                        case 720:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xF3);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0x00);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x1D);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0x20);
                                                break;
                                        case 800:
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x35,
                                                              0xFC);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x36,
                                                              0xFB);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x37,
                                                              0x14);
-                                               xgifb_reg_set(XGIPART2,
+                                               xgifb_reg_set(vb->Part2Port,
                                                              0x38,
                                                              0x2A);
                                                break;
@@ -883,10 +884,10 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
 
                                pr_debug("FilterTable[%d]-%d: %*ph\n",
                                         filter_tb, filter, 4, f);
-                               xgifb_reg_set(XGIPART2, 0x35, f[0]);
-                               xgifb_reg_set(XGIPART2, 0x36, f[1]);
-                               xgifb_reg_set(XGIPART2, 0x37, f[2]);
-                               xgifb_reg_set(XGIPART2, 0x38, f[3]);
+                               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]);
                        }
                }
        }
@@ -896,6 +897,7 @@ 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;
@@ -982,11 +984,10 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
                info->fix.line_length = (info->var.xres_virtual
                                * info->var.bits_per_pixel) >> 6;
 
-               xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
+               xgifb_reg_set(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
 
-               xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
-               xgifb_reg_set(XGISR,
-                             0x0E,
+               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);
@@ -1014,16 +1015,16 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
                        xgifb_info->XGI310_AccelDepth = 0x00000000;
                        xgifb_info->video_cmap_len = 256;
 #if defined(__BIG_ENDIAN)
-                       cr_data = xgifb_reg_get(XGICR, 0x4D);
-                       xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
+                       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(XGICR, 0x4D);
-                       xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
+                       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;
@@ -1032,8 +1033,8 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
                        xgifb_info->XGI310_AccelDepth = 0x00020000;
                        xgifb_info->video_cmap_len = 16;
 #if defined(__BIG_ENDIAN)
-                       cr_data = xgifb_reg_get(XGICR, 0x4D);
-                       xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
+                       cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
+                       xgifb_reg_set(vb->P3d4, 0x4D, ((cr_data & 0xE0) | 0x15));
 #endif
                        break;
                default:
@@ -1052,6 +1053,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
 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;
@@ -1069,22 +1071,20 @@ static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
                break;
        }
 
-       xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
+       xgifb_reg_set(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
 
-       xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
-       xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
-       xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
-       xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
-       xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
+       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(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
-               xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
-               xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
-               xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
-               xgifb_reg_and_or(XGIPART1,
-                                0x02,
-                                0x7F,
+               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;
@@ -1111,21 +1111,22 @@ static int XGIfb_setcolreg(unsigned int regno, unsigned int red,
                           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, XGIDACA);
-               outb((red >> 10), XGIDACD);
-               outb((green >> 10), XGIDACD);
-               outb((blue >> 10), XGIDACD);
+               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, XGIDAC2A);
-                       outb((red >> 8), XGIDAC2D);
-                       outb((green >> 8), XGIDAC2D);
-                       outb((blue >> 8), XGIDAC2D);
+                       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:
@@ -1345,18 +1346,19 @@ static int XGIfb_pan_display(struct fb_var_screeninfo *var,
 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(XGICR, 0x17);
+       reg = xgifb_reg_get(vb->P3d4, 0x17);
 
        if (blank > 0)
                reg &= 0x7f;
        else
                reg |= 0x80;
 
-       xgifb_reg_set(XGICR, 0x17, reg);
-       xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
-       xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
+       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;
 }
 
@@ -1380,14 +1382,15 @@ static struct fb_ops XGIfb_ops = {
 
 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(XGISR, IND_SIS_DRAM_SIZE, 0x51);
+               xgifb_reg_set(vb->P3c4, IND_SIS_DRAM_SIZE, 0x51);
 
-       reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
+       reg = xgifb_reg_get(vb->P3c4, IND_SIS_DRAM_SIZE);
        if (!reg)
                return -1;
 
@@ -1458,12 +1461,13 @@ static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
 
 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(XGICR, IND_XGI_SCRATCH_REG_CR32);
+       cr32 = xgifb_reg_get(vb->P3d4, IND_XGI_SCRATCH_REG_CR32);
 
        if ((cr32 & SIS_CRT1) && !XGIfb_crt1off) {
                XGIfb_crt1off = 0;
@@ -1500,7 +1504,7 @@ static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
        }
 
        if (xgifb_info->TV_type == 0) {
-               temp = xgifb_reg_get(XGICR, 0x38);
+               temp = xgifb_reg_get(vb->P3d4, 0x38);
                if (temp & 0x10)
                        xgifb_info->TV_type = TVMODE_PAL;
                else
@@ -1520,7 +1524,7 @@ static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
 {
        u8 vb_chipid;
 
-       vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
+       vb_chipid = xgifb_reg_get(xgifb_info->dev_info.Part4Port, 0x00);
        switch (vb_chipid) {
        case 0x01:
                xgifb_info->hasVB = HASVB_301;
@@ -1540,7 +1544,8 @@ static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
        u8 reg;
 
        if (!XGIfb_has_VB(xgifb_info)) {
-               reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
+               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;
@@ -1618,6 +1623,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        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;
 
@@ -1626,6 +1632,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                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;
@@ -1659,10 +1666,11 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                xgifb_info->display2_force = true;
        }
 
-       XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
+       XGIRegInit(vb, xgifb_info->vga_base);
 
-       xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
-       reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
+       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");
@@ -1672,8 +1680,10 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        switch (xgifb_info->chip_id) {
        case PCI_DEVICE_ID_XGI_20:
-               xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
-               CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
+               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
@@ -1704,11 +1714,12 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        }
 
        /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
-       xgifb_reg_or(XGISR,
+       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(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
+       xgifb_reg_or(vb->P3c4,
+                    IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
 
        hw_info->ulVideoMemorySize = xgifb_info->video_size;
 
@@ -1761,7 +1772,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
            (xgifb_info->chip == XG27)) {
                xgifb_info->hasVB = HASVB_NONE;
        } else if (xgifb_info->chip == XG21) {
-               CR38 = xgifb_reg_get(XGICR, 0x38);
+               CR38 = xgifb_reg_get(vb->P3d4, 0x38);
                if ((CR38 & 0xE0) == 0xC0)
                        xgifb_info->display2 = XGIFB_DISP_LCD;
                else if ((CR38 & 0xE0) == 0x60)
@@ -1778,7 +1789,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        switch (xgifb_info->hasVB) {
        case HASVB_301:
-               reg = xgifb_reg_get(XGIPART4, 0x01);
+               reg = xgifb_reg_get(vb->Part4Port, 0x01);
                if (reg >= 0xE0) {
                        hw_info->ujVBChipID = VB_CHIP_302LV;
                        dev_info(&pdev->dev,
@@ -1795,7 +1806,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                }
                break;
        case HASVB_302:
-               reg = xgifb_reg_get(XGIPART4, 0x01);
+               reg = xgifb_reg_get(vb->Part4Port, 0x01);
                if (reg >= 0xE0) {
                        hw_info->ujVBChipID = VB_CHIP_302LV;
                        dev_info(&pdev->dev,
@@ -1807,7 +1818,8 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                                 "XGI302LV bridge detected (revision 0x%02x)\n",
                                 reg);
                } else if (reg >= 0xB0) {
-                       reg1 = xgifb_reg_get(XGIPART4, 0x23);
+                       reg1 = xgifb_reg_get(vb->Part4Port,
+                                            0x23);
 
                        hw_info->ujVBChipID = VB_CHIP_302B;
 
@@ -1845,7 +1857,8 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        if (xgifb_info->display2 == XGIFB_DISP_LCD) {
                if (!enable_dstn) {
-                       reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
+                       reg = xgifb_reg_get(vb->P3d4,
+                                           IND_XGI_LCD_PANEL);
                        reg &= 0x0f;
                        hw_info->ulCRT2LCDType = XGI310paneltype[reg];
                }
@@ -1941,11 +1954,11 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
 
        fb_info->var.pixclock = (u32)(1000000000 / XGIfb_mode_rate_to_dclock
-                                     (&xgifb_info->dev_info, hw_info,
+                                     (vb, hw_info,
                                       XGIbios_mode[xgifb_info->mode_idx].mode_no));
 
-       if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info,
-                                    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,