1 /* sunxvr2500.c: Sun 3DLABS XVR-2500 et al. fb driver for sparc64 systems
5 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
8 #include <linux/kernel.h>
10 #include <linux/pci.h>
11 #include <linux/init.h>
12 #include <linux/of_device.h>
20 char __iomem *fb_base;
21 unsigned long fb_base_phys;
23 struct device_node *of_node;
30 u32 pseudo_palette[16];
33 static int s3d_get_props(struct s3d_info *sp)
35 sp->width = of_getintprop_default(sp->of_node, "width", 0);
36 sp->height = of_getintprop_default(sp->of_node, "height", 0);
37 sp->depth = of_getintprop_default(sp->of_node, "depth", 8);
39 if (!sp->width || !sp->height) {
40 printk(KERN_ERR "s3d: Critical properties missing for %s\n",
48 static int s3d_setcolreg(unsigned regno,
49 unsigned red, unsigned green, unsigned blue,
50 unsigned transp, struct fb_info *info)
59 value = (blue << 24) | (green << 16) | (red << 8);
60 ((u32 *)info->pseudo_palette)[regno] = value;
66 static struct fb_ops s3d_ops = {
68 .fb_setcolreg = s3d_setcolreg,
69 .fb_fillrect = cfb_fillrect,
70 .fb_copyarea = cfb_copyarea,
71 .fb_imageblit = cfb_imageblit,
74 static int s3d_set_fbinfo(struct s3d_info *sp)
76 struct fb_info *info = sp->info;
77 struct fb_var_screeninfo *var = &info->var;
79 info->flags = FBINFO_DEFAULT;
80 info->fbops = &s3d_ops;
81 info->screen_base = sp->fb_base;
82 info->screen_size = sp->fb_size;
84 info->pseudo_palette = sp->pseudo_palette;
86 /* Fill fix common fields */
87 strlcpy(info->fix.id, "s3d", sizeof(info->fix.id));
88 info->fix.smem_start = sp->fb_base_phys;
89 info->fix.smem_len = sp->fb_size;
90 info->fix.type = FB_TYPE_PACKED_PIXELS;
91 if (sp->depth == 32 || sp->depth == 24)
92 info->fix.visual = FB_VISUAL_TRUECOLOR;
94 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
96 var->xres = sp->width;
97 var->yres = sp->height;
98 var->xres_virtual = var->xres;
99 var->yres_virtual = var->yres;
100 var->bits_per_pixel = sp->depth;
104 var->green.offset = 16;
105 var->green.length = 8;
106 var->blue.offset = 24;
107 var->blue.length = 8;
108 var->transp.offset = 0;
109 var->transp.length = 0;
111 if (fb_alloc_cmap(&info->cmap, 256, 0)) {
112 printk(KERN_ERR "s3d: Cannot allocate color map.\n");
119 static int s3d_pci_register(struct pci_dev *pdev,
120 const struct pci_device_id *ent)
122 struct fb_info *info;
126 err = pci_enable_device(pdev);
128 printk(KERN_ERR "s3d: Cannot enable PCI device %s\n",
133 info = framebuffer_alloc(sizeof(struct s3d_info), &pdev->dev);
135 printk(KERN_ERR "s3d: Cannot allocate fb_info\n");
143 sp->of_node = pci_device_to_OF_node(pdev);
145 printk(KERN_ERR "s3d: Cannot find OF node of %s\n",
151 sp->fb_base_phys = pci_resource_start (pdev, 1);
153 err = pci_request_region(pdev, 1, "s3d framebuffer");
155 printk("s3d: Cannot request region 1 for %s\n",
160 err = s3d_get_props(sp);
162 goto err_release_pci;
164 /* XXX 'linebytes' is often wrong, it is equal to the width
165 * XXX with depth of 32 on my XVR-2500 which is clearly not
166 * XXX right. So we don't try to use it.
170 info->fix.line_length = sp->width;
173 info->fix.line_length = sp->width * 2;
176 info->fix.line_length = sp->width * 3;
179 info->fix.line_length = sp->width * 4;
182 sp->fb_size = info->fix.line_length * sp->height;
184 sp->fb_base = ioremap(sp->fb_base_phys, sp->fb_size);
187 goto err_release_pci;
190 err = s3d_set_fbinfo(sp);
194 pci_set_drvdata(pdev, info);
196 printk("s3d: Found device at %s\n", pci_name(pdev));
198 err = register_framebuffer(info);
200 printk(KERN_ERR "s3d: Could not register framebuffer %s\n",
208 iounmap(sp->fb_base);
211 pci_release_region(pdev, 1);
214 framebuffer_release(info);
217 pci_disable_device(pdev);
223 static const struct pci_device_id s3d_pci_table[] = {
224 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002c), },
225 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002d), },
226 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002e), },
227 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x002f), },
228 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x0030), },
229 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x0031), },
230 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x0032), },
231 { PCI_DEVICE(PCI_VENDOR_ID_3DLABS, 0x0033), },
235 static struct pci_driver s3d_driver = {
237 .suppress_bind_attrs = true,
240 .id_table = s3d_pci_table,
241 .probe = s3d_pci_register,
244 static int __init s3d_init(void)
246 if (fb_get_options("s3d", NULL))
249 return pci_register_driver(&s3d_driver);
251 device_initcall(s3d_init);