diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/pxafb.c | 64 | ||||
| -rw-r--r-- | drivers/video/pxafb.h | 2 |
2 files changed, 51 insertions, 15 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index f9b12ab59642..bfeb54ad3f0e 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -108,20 +108,38 @@ pxafb_setpalettereg(u_int regno, u_int red, u_int green, u_int blue, u_int trans, struct fb_info *info) { struct pxafb_info *fbi = (struct pxafb_info *)info; - u_int val, ret = 1; + u_int val; - if (regno < fbi->palette_size) { - if (fbi->fb.var.grayscale) { - val = ((blue >> 8) & 0x00ff); - } else { - val = ((red >> 0) & 0xf800); - val |= ((green >> 5) & 0x07e0); - val |= ((blue >> 11) & 0x001f); - } + if (regno >= fbi->palette_size) + return 1; + + if (fbi->fb.var.grayscale) { + fbi->palette_cpu[regno] = ((blue >> 8) & 0x00ff); + return 0; + } + + switch (fbi->lccr4 & LCCR4_PAL_FOR_MASK) { + case LCCR4_PAL_FOR_0: + val = ((red >> 0) & 0xf800); + val |= ((green >> 5) & 0x07e0); + val |= ((blue >> 11) & 0x001f); fbi->palette_cpu[regno] = val; - ret = 0; + break; + case LCCR4_PAL_FOR_1: + val = ((red << 8) & 0x00f80000); + val |= ((green >> 0) & 0x0000fc00); + val |= ((blue >> 8) & 0x000000f8); + ((u32*)(fbi->palette_cpu))[regno] = val; + break; + case LCCR4_PAL_FOR_2: + val = ((red << 8) & 0x00fc0000); + val |= ((green >> 0) & 0x0000fc00); + val |= ((blue >> 8) & 0x000000fc); + ((u32*)(fbi->palette_cpu))[regno] = val; + break; } - return ret; + + return 0; } static int @@ -363,7 +381,10 @@ static int pxafb_set_par(struct fb_info *info) else fbi->palette_size = var->bits_per_pixel == 1 ? 4 : 1 << var->bits_per_pixel; - palette_mem_size = fbi->palette_size * sizeof(u16); + if ((fbi->lccr4 & LCCR4_PAL_FOR_MASK) == LCCR4_PAL_FOR_0) + palette_mem_size = fbi->palette_size * sizeof(u16); + else + palette_mem_size = fbi->palette_size * sizeof(u32); pr_debug("pxafb: palette_mem_size = 0x%08lx\n", palette_mem_size); @@ -680,7 +701,13 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * fbi->dmadesc_palette_cpu->fsadr = fbi->palette_dma; fbi->dmadesc_palette_cpu->fidr = 0; - fbi->dmadesc_palette_cpu->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL; + if ((fbi->lccr4 & LCCR4_PAL_FOR_MASK) == LCCR4_PAL_FOR_0) + fbi->dmadesc_palette_cpu->ldcmd = fbi->palette_size * + sizeof(u16); + else + fbi->dmadesc_palette_cpu->ldcmd = fbi->palette_size * + sizeof(u32); + fbi->dmadesc_palette_cpu->ldcmd |= LDCMD_PAL; if (var->bits_per_pixel == 16) { /* palette shouldn't be loaded in true-color mode */ @@ -719,6 +746,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * fbi->reg_lccr1 = new_regs.lccr1; fbi->reg_lccr2 = new_regs.lccr2; fbi->reg_lccr3 = new_regs.lccr3; + fbi->reg_lccr4 = LCCR4 & (~LCCR4_PAL_FOR_MASK); + fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK); set_hsync_time(fbi, pcd); local_irq_restore(flags); @@ -825,6 +854,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) pr_debug("LCCR1 0x%08x\n", (unsigned int) LCCR1); pr_debug("LCCR2 0x%08x\n", (unsigned int) LCCR2); pr_debug("LCCR3 0x%08x\n", (unsigned int) LCCR3); + pr_debug("LCCR4 0x%08x\n", (unsigned int) LCCR4); } static void pxafb_disable_controller(struct pxafb_info *fbi) @@ -1094,10 +1124,13 @@ static int __init pxafb_map_video_memory(struct pxafb_info *fbi) * dma_writecombine_mmap) */ fbi->fb.fix.smem_start = fbi->screen_dma; - fbi->palette_size = fbi->fb.var.bits_per_pixel == 8 ? 256 : 16; - palette_mem_size = fbi->palette_size * sizeof(u16); + if ((fbi->lccr4 & LCCR4_PAL_FOR_MASK) == LCCR4_PAL_FOR_0) + palette_mem_size = fbi->palette_size * sizeof(u16); + else + palette_mem_size = fbi->palette_size * sizeof(u32); + pr_debug("pxafb: palette_mem_size = 0x%08lx\n", palette_mem_size); fbi->palette_cpu = (u16 *)(fbi->map_cpu + PAGE_SIZE - palette_mem_size); @@ -1160,6 +1193,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev) fbi->lccr0 = inf->lccr0; fbi->lccr3 = inf->lccr3; + fbi->lccr4 = inf->lccr4; fbi->state = C_STARTUP; fbi->task_state = (u_char)-1; diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h index f8605b807b0a..d920b8a14c35 100644 --- a/drivers/video/pxafb.h +++ b/drivers/video/pxafb.h @@ -71,6 +71,7 @@ struct pxafb_info { u_int lccr0; u_int lccr3; + u_int lccr4; u_int cmap_inverse:1, cmap_static:1, unused:30; @@ -79,6 +80,7 @@ struct pxafb_info { u_int reg_lccr1; u_int reg_lccr2; u_int reg_lccr3; + u_int reg_lccr4; unsigned long hsync_time; |