[SPARC]: Fix serial console device detection.
[deliverable/linux.git] / drivers / video / aty / atyfb_base.c
index 35ba265675981ed922b410993c4a67a5b2b93551..13990697b5c12a76e41cd31fdc37873bebcbc2d5 100644 (file)
@@ -80,8 +80,9 @@
 #include "../macmodes.h"
 #endif
 #ifdef __sparc__
-#include <asm/pbm.h>
 #include <asm/fbio.h>
+#include <asm/oplib.h>
+#include <asm/prom.h>
 #endif
 
 #ifdef CONFIG_ADB_PMU
 #define PRINTKI(fmt, args...)  printk(KERN_INFO "atyfb: " fmt, ## args)
 #define PRINTKE(fmt, args...)   printk(KERN_ERR "atyfb: " fmt, ## args)
 
-#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD)
+#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \
+defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_FB_ATY_BACKLIGHT)
 static const u32 lt_lcd_regs[] = {
        CONFIG_PANEL_LG,
        LCD_GEN_CNTL_LG,
@@ -308,6 +310,12 @@ static int xclk;
 static int comp_sync __devinitdata = -1;
 static char *mode;
 
+#ifdef CONFIG_PMAC_BACKLIGHT
+static int backlight __devinitdata = 1;
+#else
+static int backlight __devinitdata = 0;
+#endif
+
 #ifdef CONFIG_PPC
 static int default_vmode __devinitdata = VMODE_CHOOSE;
 static int default_cmode __devinitdata = CMODE_CHOOSE;
@@ -533,7 +541,7 @@ static char ram_off[] __devinitdata = "OFF";
 #endif /* CONFIG_FB_ATY_CT */
 
 
-static u32 pseudo_palette[17];
+static u32 pseudo_palette[16];
 
 #ifdef CONFIG_FB_ATY_GX
 static char *aty_gx_ram[8] __devinitdata = {
@@ -2114,8 +2122,6 @@ static int atyfb_pci_resume(struct pci_dev *pdev)
 #ifdef CONFIG_FB_ATY_BACKLIGHT
 #define MAX_LEVEL 0xFF
 
-static struct backlight_properties aty_bl_data;
-
 static int aty_bl_get_level_brightness(struct atyfb_par *par, int level)
 {
        struct fb_info *info = pci_get_drvdata(par->pdev);
@@ -2139,11 +2145,11 @@ static int aty_bl_update_status(struct backlight_device *bd)
        unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par);
        int level;
 
-       if (bd->props->power != FB_BLANK_UNBLANK ||
-           bd->props->fb_blank != FB_BLANK_UNBLANK)
+       if (bd->props.power != FB_BLANK_UNBLANK ||
+           bd->props.fb_blank != FB_BLANK_UNBLANK)
                level = 0;
        else
-               level = bd->props->brightness;
+               level = bd->props.brightness;
 
        reg |= (BLMOD_EN | BIASMOD_EN);
        if (level > 0) {
@@ -2160,13 +2166,12 @@ static int aty_bl_update_status(struct backlight_device *bd)
 
 static int aty_bl_get_brightness(struct backlight_device *bd)
 {
-       return bd->props->brightness;
+       return bd->props.brightness;
 }
 
-static struct backlight_properties aty_bl_data = {
+static struct backlight_ops aty_bl_data = {
        .get_brightness = aty_bl_get_brightness,
        .update_status  = aty_bl_update_status,
-       .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
 };
 
 static void aty_bl_init(struct atyfb_par *par)
@@ -2194,8 +2199,9 @@ static void aty_bl_init(struct atyfb_par *par)
                0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL,
                0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
 
-       bd->props->brightness = aty_bl_data.max_brightness;
-       bd->props->power = FB_BLANK_UNBLANK;
+       bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+       bd->props.brightness = bd->props.max_brightness;
+       bd->props.power = FB_BLANK_UNBLANK;
        backlight_update_status(bd);
 
        printk("aty: Backlight initialized (%s)\n", name);
@@ -2284,29 +2290,6 @@ static int __devinit aty_init(struct fb_info *info)
        init_waitqueue_head(&par->vblank.wait);
        spin_lock_init(&par->int_lock);
 
-#ifdef CONFIG_PPC_PMAC
-       /* The Apple iBook1 uses non-standard memory frequencies. We detect it
-        * and set the frequency manually. */
-       if (machine_is_compatible("PowerBook2,1")) {
-               par->pll_limits.mclk = 70;
-               par->pll_limits.xclk = 53;
-       }
-#endif
-       if (pll)
-               par->pll_limits.pll_max = pll;
-       if (mclk)
-               par->pll_limits.mclk = mclk;
-       if (xclk)
-               par->pll_limits.xclk = xclk;
-
-       aty_calc_mem_refresh(par, par->pll_limits.xclk);
-       par->pll_per = 1000000/par->pll_limits.pll_max;
-       par->mclk_per = 1000000/par->pll_limits.mclk;
-       par->xclk_per = 1000000/par->pll_limits.xclk;
-
-       par->ref_clk_per = 1000000000000ULL / 14318180;
-       xtal = "14.31818";
-
 #ifdef CONFIG_FB_ATY_GX
        if (!M64_HAS(INTEGRATED)) {
                u32 stat0;
@@ -2333,6 +2316,7 @@ static int __devinit aty_init(struct fb_info *info)
                case DAC_IBMRGB514:
                        par->dac_ops = &aty_dac_ibm514;
                        break;
+#ifdef CONFIG_ATARI
                case DAC_ATI68860_B:
                case DAC_ATI68860_C:
                        par->dac_ops = &aty_dac_ati68860b;
@@ -2341,6 +2325,7 @@ static int __devinit aty_init(struct fb_info *info)
                case DAC_ATT21C498:
                        par->dac_ops = &aty_dac_att21c498;
                        break;
+#endif
                default:
                        PRINTKI("aty_init: DAC type not implemented yet!\n");
                        par->dac_ops = &aty_dac_unsupported;
@@ -2384,8 +2369,37 @@ static int __devinit aty_init(struct fb_info *info)
                /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */
                if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM)
                        par->pll_limits.mclk = 63;
+               /* Mobility + 32bit memory interface need halved XCLK. */
+               if (M64_HAS(MOBIL_BUS) && par->ram_type == SDRAM32)
+                       par->pll_limits.xclk = (par->pll_limits.xclk + 1) >> 1;
        }
+#endif
+#ifdef CONFIG_PPC_PMAC
+       /* The Apple iBook1 uses non-standard memory frequencies. We detect it
+        * and set the frequency manually. */
+       if (machine_is_compatible("PowerBook2,1")) {
+               par->pll_limits.mclk = 70;
+               par->pll_limits.xclk = 53;
+       }
+#endif
 
+       /* Allow command line to override clocks. */
+       if (pll)
+               par->pll_limits.pll_max = pll;
+       if (mclk)
+               par->pll_limits.mclk = mclk;
+       if (xclk)
+               par->pll_limits.xclk = xclk;
+
+       aty_calc_mem_refresh(par, par->pll_limits.xclk);
+       par->pll_per = 1000000/par->pll_limits.pll_max;
+       par->mclk_per = 1000000/par->pll_limits.mclk;
+       par->xclk_per = 1000000/par->pll_limits.xclk;
+
+       par->ref_clk_per = 1000000000000ULL / 14318180;
+       xtal = "14.31818";
+
+#ifdef CONFIG_FB_ATY_CT
        if (M64_HAS(GTB_DSP)) {
                u8 pll_ref_div = aty_ld_pll_ct(PLL_REF_DIV, par);
 
@@ -2577,7 +2591,7 @@ static int __devinit aty_init(struct fb_info *info)
                           | (USE_F32KHZ | TRISTATE_MEM_EN), par);
        } else
 #endif
-       if (M64_HAS(MOBIL_BUS)) {
+       if (M64_HAS(MOBIL_BUS) && backlight) {
 #ifdef CONFIG_FB_ATY_BACKLIGHT
                aty_bl_init (par);
 #endif
@@ -2894,15 +2908,11 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
                        struct fb_info *info, unsigned long addr)
 {
        struct atyfb_par *par = info->par;
-       struct pcidev_cookie *pcp;
+       struct device_node *dp;
        char prop[128];
        int node, len, i, j, ret;
        u32 mem, chip_id;
 
-       /* Do not attach when we have a serial console. */
-       if (!con_is_present())
-               return -ENXIO;
-
        /*
         * Map memory-mapped registers.
         */
@@ -2923,12 +2933,11 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
                /* nothing */ ;
        j = i + 4;
 
-       par->mmap_map = kmalloc(j * sizeof(*par->mmap_map), GFP_ATOMIC);
+       par->mmap_map = kcalloc(j, sizeof(*par->mmap_map), GFP_ATOMIC);
        if (!par->mmap_map) {
                PRINTKE("atyfb_setup_sparc() can't alloc mmap_map\n");
                return -ENOMEM;
        }
-       memset(par->mmap_map, 0, j * sizeof(*par->mmap_map));
 
        for (i = 0, j = 2; i < 6 && pdev->resource[i].start; i++) {
                struct resource *rp = &pdev->resource[i];
@@ -3032,8 +3041,8 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
                        node = 0;
        }
 
-       pcp = pdev->sysdata;
-       if (node == pcp->prom_node->node) {
+       dp = pci_device_to_OF_node(pdev);
+       if (node == dp->node) {
                struct fb_var_screeninfo *var = &default_var;
                unsigned int N, P, Q, M, T, R;
                u32 v_total, h_total;
@@ -3759,6 +3768,8 @@ static int __init atyfb_setup(char *options)
                        xclk = simple_strtoul(this_opt+5, NULL, 0);
                else if (!strncmp(this_opt, "comp_sync:", 10))
                        comp_sync = simple_strtoul(this_opt+10, NULL, 0);
+               else if (!strncmp(this_opt, "backlight:", 10))
+                       backlight = simple_strtoul(this_opt+10, NULL, 0);
 #ifdef CONFIG_PPC
                else if (!strncmp(this_opt, "vmode:", 6)) {
                        unsigned int vmode =
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