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path: root/drivers/video/controlfb.c
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Diffstat (limited to 'drivers/video/controlfb.c')
-rw-r--r--drivers/video/controlfb.c114
1 files changed, 50 insertions, 64 deletions
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index 403d17377f8..03798e9c882 100644
--- a/drivers/video/controlfb.c
+++ b/drivers/video/controlfb.c
@@ -133,12 +133,6 @@ static int controlfb_mmap(struct fb_info *info, struct file *file,
static int controlfb_set_par (struct fb_info *info);
static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info);
-/*
- * inititialization
- */
-int control_init(void);
-void control_setup(char *);
-
/******************** Prototypes for internal functions **********************/
static void set_control_clock(unsigned char *params);
@@ -550,9 +544,46 @@ static void control_set_hardware(struct fb_info_control *p, struct fb_par_contro
/*
- * Called from fbmem.c for probing & initializing
+ * Parse user speficied options (`video=controlfb:')
*/
-int __init control_init(void)
+static void __init control_setup(char *options)
+{
+ char *this_opt;
+
+ if (!options || !*options)
+ return;
+
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!strncmp(this_opt, "vmode:", 6)) {
+ int vmode = simple_strtoul(this_opt+6, NULL, 0);
+ if (vmode > 0 && vmode <= VMODE_MAX &&
+ control_mac_modes[vmode - 1].m[1] >= 0)
+ default_vmode = vmode;
+ } else if (!strncmp(this_opt, "cmode:", 6)) {
+ int depth = simple_strtoul(this_opt+6, NULL, 0);
+ switch (depth) {
+ case CMODE_8:
+ case CMODE_16:
+ case CMODE_32:
+ default_cmode = depth;
+ break;
+ case 8:
+ default_cmode = CMODE_8;
+ break;
+ case 15:
+ case 16:
+ default_cmode = CMODE_16;
+ break;
+ case 24:
+ case 32:
+ default_cmode = CMODE_32;
+ break;
+ }
+ }
+ }
+}
+
+static int __init control_init(void)
{
struct device_node *dp;
char *option = NULL;
@@ -651,15 +682,16 @@ static void __init find_vram_size(struct fb_info_control *p)
static int __init control_of_init(struct device_node *dp)
{
struct fb_info_control *p;
- unsigned long addr;
- int i;
+ struct resource fb_res, reg_res;
if (control_fb) {
printk(KERN_ERR "controlfb: only one control is supported\n");
return -ENXIO;
}
- if(dp->n_addrs != 2) {
- printk(KERN_ERR "expecting 2 address for control (got %d)", dp->n_addrs);
+
+ if (of_pci_address_to_resource(dp, 2, &fb_res) ||
+ of_pci_address_to_resource(dp, 1, &reg_res)) {
+ printk(KERN_ERR "can't get 2 addresses for control\n");
return -ENXIO;
}
p = kmalloc(sizeof(*p), GFP_KERNEL);
@@ -669,18 +701,12 @@ static int __init control_of_init(struct device_node *dp)
memset(p, 0, sizeof(*p));
/* Map in frame buffer and registers */
- for (i = 0; i < dp->n_addrs; ++i) {
- addr = dp->addrs[i].address;
- if (dp->addrs[i].size >= 0x800000) {
- p->fb_orig_base = addr;
- p->fb_orig_size = dp->addrs[i].size;
- /* use the big-endian aperture (??) */
- p->frame_buffer_phys = addr + 0x800000;
- } else {
- p->control_regs_phys = addr;
- p->control_regs_size = dp->addrs[i].size;
- }
- }
+ p->fb_orig_base = fb_res.start;
+ p->fb_orig_size = fb_res.end - fb_res.start + 1;
+ /* use the big-endian aperture (??) */
+ p->frame_buffer_phys = fb_res.start + 0x800000;
+ p->control_regs_phys = reg_res.start;
+ p->control_regs_size = reg_res.end - reg_res.start + 1;
if (!p->fb_orig_base ||
!request_mem_region(p->fb_orig_base,p->fb_orig_size,"controlfb")) {
@@ -1059,43 +1085,3 @@ static void control_cleanup(void)
}
-/*
- * Parse user speficied options (`video=controlfb:')
- */
-void __init control_setup(char *options)
-{
- char *this_opt;
-
- if (!options || !*options)
- return;
-
- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!strncmp(this_opt, "vmode:", 6)) {
- int vmode = simple_strtoul(this_opt+6, NULL, 0);
- if (vmode > 0 && vmode <= VMODE_MAX &&
- control_mac_modes[vmode - 1].m[1] >= 0)
- default_vmode = vmode;
- } else if (!strncmp(this_opt, "cmode:", 6)) {
- int depth = simple_strtoul(this_opt+6, NULL, 0);
- switch (depth) {
- case CMODE_8:
- case CMODE_16:
- case CMODE_32:
- default_cmode = depth;
- break;
- case 8:
- default_cmode = CMODE_8;
- break;
- case 15:
- case 16:
- default_cmode = CMODE_16;
- break;
- case 24:
- case 32:
- default_cmode = CMODE_32;
- break;
- }
- }
- }
-}
-