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path: root/drivers/staging/sm7xxfb/sm7xxfb.c
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Diffstat (limited to 'drivers/staging/sm7xxfb/sm7xxfb.c')
-rw-r--r--drivers/staging/sm7xxfb/sm7xxfb.c119
1 files changed, 49 insertions, 70 deletions
diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c
index 1c1780c70fb..f27182d4dea 100644
--- a/drivers/staging/sm7xxfb/sm7xxfb.c
+++ b/drivers/staging/sm7xxfb/sm7xxfb.c
@@ -43,11 +43,11 @@ struct smtcfb_info {
u16 chip_id;
u8 chip_rev_id;
- unsigned char __iomem *m_pMMIO;
- char __iomem *m_pLFB;
- char *m_pDPR;
- char *m_pVPR;
- char *m_pCPR;
+ void __iomem *lfb; /* linear frame buffer */
+ void __iomem *dp_regs; /* drawing processor control regs */
+ void __iomem *vp_regs; /* video processor control regs */
+ void __iomem *cp_regs; /* capture processor control regs */
+ void __iomem *mmio; /* memory map IO port */
u_int width;
u_int height;
@@ -56,8 +56,7 @@ struct smtcfb_info {
u32 colreg[17];
};
-char __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */
-char __iomem *smtc_VRAMBaseAddress; /* video memory starting address */
+void __iomem *smtc_RegBaseAddress; /* Memory Map IO starting address */
static struct fb_var_screeninfo smtcfb_var = {
.xres = 1024,
@@ -72,14 +71,20 @@ static struct fb_var_screeninfo smtcfb_var = {
.height = -1,
.width = -1,
.vmode = FB_VMODE_NONINTERLACED,
+ .nonstd = 0,
+ .accel_flags = FB_ACCELF_TEXT,
};
static struct fb_fix_screeninfo smtcfb_fix = {
- .id = "sm712fb",
+ .id = "smXXXfb",
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.line_length = 800 * 3,
.accel = FB_ACCEL_SMI_LYNX,
+ .type_aux = 0,
+ .xpanstep = 0,
+ .ypanstep = 0,
+ .ywrapstep = 0,
};
struct vesa_mode {
@@ -545,28 +550,28 @@ static void sm7xx_set_timing(struct smtcfb_info *sfb)
smtc_mmiowb(0x67, 0x3c2);
/* set VPR registers */
- writel(0x0, sfb->m_pVPR + 0x0C);
- writel(0x0, sfb->m_pVPR + 0x40);
+ writel(0x0, sfb->vp_regs + 0x0C);
+ writel(0x0, sfb->vp_regs + 0x40);
/* set data width */
m_nScreenStride =
(sfb->width * sfb->fb.var.bits_per_pixel) / 64;
switch (sfb->fb.var.bits_per_pixel) {
case 8:
- writel(0x0, sfb->m_pVPR + 0x0);
+ writel(0x0, sfb->vp_regs + 0x0);
break;
case 16:
- writel(0x00020000, sfb->m_pVPR + 0x0);
+ writel(0x00020000, sfb->vp_regs + 0x0);
break;
case 24:
- writel(0x00040000, sfb->m_pVPR + 0x0);
+ writel(0x00040000, sfb->vp_regs + 0x0);
break;
case 32:
- writel(0x00030000, sfb->m_pVPR + 0x0);
+ writel(0x00030000, sfb->vp_regs + 0x0);
break;
}
writel((u32) (((m_nScreenStride + 2) << 16) | m_nScreenStride),
- sfb->m_pVPR + 0x10);
+ sfb->vp_regs + 0x10);
}
@@ -673,9 +678,9 @@ static struct fb_ops smtcfb_ops = {
};
/*
- * alloc struct smtcfb_info and assign the default value
+ * alloc struct smtcfb_info and assign default values
*/
-static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *pdev, char *name)
+static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *pdev)
{
struct smtcfb_info *sfb;
@@ -686,32 +691,12 @@ static struct smtcfb_info *smtc_alloc_fb_info(struct pci_dev *pdev, char *name)
sfb->pdev = pdev;
- /* init sfb->fb with default value */
-
- sfb->fb.flags = FBINFO_FLAG_DEFAULT;
- sfb->fb.fbops = &smtcfb_ops;
-
- sfb->fb.fix = smtcfb_fix;
- strcpy(sfb->fb.fix.id, name);
-
- sfb->fb.fix.type = FB_TYPE_PACKED_PIXELS;
- sfb->fb.fix.type_aux = 0;
- sfb->fb.fix.xpanstep = 0;
- sfb->fb.fix.ypanstep = 0;
- sfb->fb.fix.ywrapstep = 0;
- sfb->fb.fix.accel = FB_ACCEL_SMI_LYNX;
-
- sfb->fb.var = smtcfb_var;
- sfb->fb.var.nonstd = 0;
- sfb->fb.var.activate = FB_ACTIVATE_NOW;
- sfb->fb.var.height = -1;
- sfb->fb.var.width = -1;
- sfb->fb.var.accel_flags = FB_ACCELF_TEXT;
- sfb->fb.var.vmode = FB_VMODE_NONINTERLACED;
-
- sfb->fb.pseudo_palette = sfb->colreg;
-
- sfb->fb.par = sfb;
+ sfb->fb.flags = FBINFO_FLAG_DEFAULT;
+ sfb->fb.fbops = &smtcfb_ops;
+ sfb->fb.fix = smtcfb_fix;
+ sfb->fb.var = smtcfb_var;
+ sfb->fb.pseudo_palette = sfb->colreg;
+ sfb->fb.par = sfb;
return sfb;
}
@@ -751,7 +736,7 @@ static int smtc_map_smem(struct smtcfb_info *sfb,
sfb->fb.fix.smem_len = smem_len;
- sfb->fb.screen_base = smtc_VRAMBaseAddress;
+ sfb->fb.screen_base = sfb->lfb;
if (!sfb->fb.screen_base) {
dev_err(&pdev->dev,
@@ -788,9 +773,8 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
{
struct smtcfb_info *sfb;
u_long smem_size = 0x00800000; /* default 8MB */
- char name[16];
int err;
- unsigned long pFramebufferPhysical;
+ unsigned long mmio_base;
dev_info(&pdev->dev, "Silicon Motion display driver.");
@@ -798,7 +782,9 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
if (err)
return err;
- sfb = smtc_alloc_fb_info(pdev, name);
+ sprintf(smtcfb_fix.id, "sm%Xfb", ent->device);
+
+ sfb = smtc_alloc_fb_info(pdev);
if (!sfb) {
err = -ENOMEM;
@@ -806,7 +792,6 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
}
sfb->chip_id = ent->device;
- sprintf(name, "sm%Xfb", sfb->chip_id);
pci_set_drvdata(pdev, sfb);
@@ -829,33 +814,28 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
sfb->fb.var.bits_per_pixel = (smtc_scr_info.lfb_depth = 32);
#endif
/* Map address and memory detection */
- pFramebufferPhysical = pci_resource_start(pdev, 0);
+ mmio_base = pci_resource_start(pdev, 0);
pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id);
switch (sfb->chip_id) {
case 0x710:
case 0x712:
- sfb->fb.fix.mmio_start = pFramebufferPhysical + 0x00400000;
+ sfb->fb.fix.mmio_start = mmio_base + 0x00400000;
sfb->fb.fix.mmio_len = 0x00400000;
smem_size = SM712_VIDEOMEMORYSIZE;
#ifdef __BIG_ENDIAN
- sfb->m_pLFB = (smtc_VRAMBaseAddress =
- ioremap(pFramebufferPhysical, 0x00c00000));
+ sfb->lfb = ioremap(mmio_base, 0x00c00000);
#else
- sfb->m_pLFB = (smtc_VRAMBaseAddress =
- ioremap(pFramebufferPhysical, 0x00800000));
+ sfb->lfb = ioremap(mmio_base, 0x00800000);
#endif
- sfb->m_pMMIO = (smtc_RegBaseAddress =
- smtc_VRAMBaseAddress + 0x00700000);
- sfb->m_pDPR = smtc_VRAMBaseAddress + 0x00408000;
- sfb->m_pVPR = sfb->m_pLFB + 0x0040c000;
+ sfb->mmio = (smtc_RegBaseAddress =
+ sfb->lfb + 0x00700000);
+ sfb->dp_regs = sfb->lfb + 0x00408000;
+ sfb->vp_regs = sfb->lfb + 0x0040c000;
#ifdef __BIG_ENDIAN
if (sfb->fb.var.bits_per_pixel == 32) {
- smtc_VRAMBaseAddress += 0x800000;
- sfb->m_pLFB += 0x800000;
- dev_info(&pdev->dev,
- "smtc_VRAMBaseAddress=%p sfb->m_pLFB=%p",
- smtc_VRAMBaseAddress, sfb->m_pLFB);
+ sfb->lfb += 0x800000;
+ dev_info(&pdev->dev, "sfb->lfb=%p", sfb->lfb);
}
#endif
if (!smtc_RegBaseAddress) {
@@ -879,15 +859,14 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
#endif
break;
case 0x720:
- sfb->fb.fix.mmio_start = pFramebufferPhysical;
+ sfb->fb.fix.mmio_start = mmio_base;
sfb->fb.fix.mmio_len = 0x00200000;
smem_size = SM722_VIDEOMEMORYSIZE;
- sfb->m_pDPR = ioremap(pFramebufferPhysical, 0x00a00000);
- sfb->m_pLFB = (smtc_VRAMBaseAddress =
- sfb->m_pDPR + 0x00200000);
- sfb->m_pMMIO = (smtc_RegBaseAddress =
- sfb->m_pDPR + 0x000c0000);
- sfb->m_pVPR = sfb->m_pDPR + 0x800;
+ sfb->dp_regs = ioremap(mmio_base, 0x00a00000);
+ sfb->lfb = sfb->dp_regs + 0x00200000;
+ sfb->mmio = (smtc_RegBaseAddress =
+ sfb->dp_regs + 0x000c0000);
+ sfb->vp_regs = sfb->dp_regs + 0x800;
smtc_seqw(0x62, 0xff);
smtc_seqw(0x6a, 0x0d);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 20:19:47 +0000