#include <linux/string.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/mm.h>
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/completion.h>
+#include <linux/mutex.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
-#include <asm/hardware.h>
+#include <mach/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/div64.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-gpio.h>
-#include <asm/arch/bitfield.h>
-#include <asm/arch/pxafb.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-gpio.h>
+#include <mach/bitfield.h>
+#include <mach/pxafb.h>
/*
* Complain if VAR is out of range.
case 4: ret = LCCR3_4BPP; break;
case 8: ret = LCCR3_8BPP; break;
case 16: ret = LCCR3_16BPP; break;
+ case 24:
+ switch (var->red.length + var->green.length +
+ var->blue.length + var->transp.length) {
+ case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break;
+ case 19: ret = LCCR3_19BPP_P; break;
+ }
+ break;
+ case 32:
+ switch (var->red.length + var->green.length +
+ var->blue.length + var->transp.length) {
+ case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break;
+ case 19: ret = LCCR3_19BPP; break;
+ case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break;
+ case 25: ret = LCCR3_25BPP; break;
+ }
+ break;
}
return ret;
}
var->green.offset = 5; var->green.length = 6;
var->blue.offset = 0; var->blue.length = 5;
var->transp.offset = var->transp.length = 0;
+ } else if (var->bits_per_pixel > 16) {
+ struct pxafb_mode_info *mode;
+
+ mode = pxafb_getmode(inf, var);
+ if (!mode)
+ return -EINVAL;
+
+ switch (mode->depth) {
+ case 18: /* RGB666 */
+ var->transp.offset = var->transp.length = 0;
+ var->red.offset = 12; var->red.length = 6;
+ var->green.offset = 6; var->green.length = 6;
+ var->blue.offset = 0; var->blue.length = 6;
+ break;
+ case 19: /* RGBT666 */
+ var->transp.offset = 18; var->transp.length = 1;
+ var->red.offset = 12; var->red.length = 6;
+ var->green.offset = 6; var->green.length = 6;
+ var->blue.offset = 0; var->blue.length = 6;
+ break;
+ case 24: /* RGB888 */
+ var->transp.offset = var->transp.length = 0;
+ var->red.offset = 16; var->red.length = 8;
+ var->green.offset = 8; var->green.length = 8;
+ var->blue.offset = 0; var->blue.length = 8;
+ break;
+ case 25: /* RGBT888 */
+ var->transp.offset = 24; var->transp.length = 1;
+ var->red.offset = 16; var->red.length = 8;
+ var->green.offset = 8; var->green.length = 8;
+ var->blue.offset = 0; var->blue.length = 8;
+ break;
+ default:
+ return -EINVAL;
+ }
} else {
var->red.offset = var->green.offset = 0;
var->blue.offset = var->transp.offset = 0;
struct pxafb_info *fbi = (struct pxafb_info *)info;
struct fb_var_screeninfo *var = &info->var;
- if (var->bits_per_pixel == 16)
+ if (var->bits_per_pixel >= 16)
fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR;
else if (!fbi->cmap_static)
fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR;
fbi->fb.fix.line_length = var->xres_virtual *
var->bits_per_pixel / 8;
- if (var->bits_per_pixel == 16)
+ if (var->bits_per_pixel >= 16)
fbi->palette_size = 0;
else
fbi->palette_size = var->bits_per_pixel == 1 ?
*/
pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR);
- if (fbi->fb.var.bits_per_pixel == 16)
+ if (fbi->fb.var.bits_per_pixel >= 16)
fb_dealloc_cmap(&fbi->fb.cmap);
else
fb_alloc_cmap(&fbi->fb.cmap, 1<<fbi->fb.var.bits_per_pixel, 0);
static int pxafb_smart_init(struct pxafb_info *fbi)
{
+ if (!(fbi->lccr0 | LCCR0_LCDT))
+ return 0;
+
fbi->smart_thread = kthread_run(pxafb_smart_thread, fbi,
"lcd_refresh");
if (IS_ERR(fbi->smart_thread)) {
case 4:
case 8:
case 16:
+ case 24:
+ case 32:
break;
default:
printk(KERN_ERR "%s: invalid bit depth %d\n",
for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
+ /* 18 bit interface */
+ if (fbi->fb.var.bits_per_pixel > 16) {
+ pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT);
+ pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT);
+ }
pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
- pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
+
+ if ((lccr0 & LCCR0_PAS) == 0)
+ pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
}
static void pxafb_enable_controller(struct pxafb_info *fbi)
{
u_int old_state;
- down(&fbi->ctrlr_sem);
+ mutex_lock(&fbi->ctrlr_lock);
old_state = fbi->state;
}
break;
}
- up(&fbi->ctrlr_sem);
+ mutex_unlock(&fbi->ctrlr_lock);
}
/*
* cache. Once this area is remapped, all virtual memory
* access to the video memory should occur at the new region.
*/
-static int __init pxafb_map_video_memory(struct pxafb_info *fbi)
+static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
{
/*
* We reserve one page for the palette, plus the size
fbi->dma_buff_phys = fbi->map_dma;
fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
- pr_debug("pxafb: palette_mem_size = 0x%08lx\n", fbi->palette_size*sizeof(u16));
+ pr_debug("pxafb: palette_mem_size = 0x%08x\n", fbi->palette_size*sizeof(u16));
#ifdef CONFIG_FB_PXA_SMARTPANEL
fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
fbi->cmap_inverse = inf->cmap_inverse;
fbi->cmap_static = inf->cmap_static;
- switch (lcd_conn & 0xf) {
+ switch (lcd_conn & LCD_TYPE_MASK) {
case LCD_TYPE_MONO_STN:
fbi->lccr0 = LCCR0_CMS;
break;
if (lcd_conn == LCD_MONO_STN_8BPP)
fbi->lccr0 |= LCCR0_DPD;
+ fbi->lccr0 |= (lcd_conn & LCD_ALTERNATE_MAPPING) ? LCCR0_LDDALT : 0;
+
fbi->lccr3 = LCCR3_Acb((inf->lcd_conn >> 10) & 0xff);
fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0;
fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0;
pxafb_decode_mode_info(fbi, inf->modes, inf->num_modes);
}
-static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
+static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
{
struct pxafb_info *fbi;
void *addr;
init_waitqueue_head(&fbi->ctrlr_wait);
INIT_WORK(&fbi->task, pxafb_task);
- init_MUTEX(&fbi->ctrlr_sem);
+ mutex_init(&fbi->ctrlr_lock);
init_completion(&fbi->disable_done);
#ifdef CONFIG_FB_PXA_SMARTPANEL
init_completion(&fbi->command_done);
}
#ifdef CONFIG_FB_PXA_PARAMETERS
-static int __init parse_opt_mode(struct device *dev, const char *this_opt)
+static int __devinit parse_opt_mode(struct device *dev, const char *this_opt)
{
struct pxafb_mach_info *inf = dev->platform_data;
return 0;
}
-static int __init parse_opt(struct device *dev, char *this_opt)
+static int __devinit parse_opt(struct device *dev, char *this_opt)
{
struct pxafb_mach_info *inf = dev->platform_data;
struct pxafb_mode_info *mode = &inf->modes[0];
return 0;
}
-static int __init pxafb_parse_options(struct device *dev, char *options)
+static int __devinit pxafb_parse_options(struct device *dev, char *options)
{
char *this_opt;
int ret;
static char g_options[256] __devinitdata = "";
#ifndef MODULE
-static int __devinit pxafb_setup_options(void)
+static int __init pxafb_setup_options(void)
{
char *options = NULL;
#define pxafb_setup_options() (0)
#endif
-static int __init pxafb_probe(struct platform_device *dev)
-{
- struct pxafb_info *fbi;
- struct pxafb_mach_info *inf;
- struct resource *r;
- int irq, ret;
-
- dev_dbg(&dev->dev, "pxafb_probe\n");
-
- inf = dev->dev.platform_data;
- ret = -ENOMEM;
- fbi = NULL;
- if (!inf)
- goto failed;
-
- ret = pxafb_parse_options(&dev->dev, g_options);
- if (ret < 0)
- goto failed;
-
#ifdef DEBUG_VAR
- /* Check for various illegal bit-combinations. Currently only
- * a warning is given. */
+/* Check for various illegal bit-combinations. Currently only
+ * a warning is given. */
+static void __devinit pxafb_check_options(struct device *dev,
+ struct pxafb_mach_info *inf)
+{
+ if (inf->lcd_conn)
+ return;
if (inf->lccr0 & LCCR0_INVALID_CONFIG_MASK)
- dev_warn(&dev->dev, "machine LCCR0 setting contains "
+ dev_warn(dev, "machine LCCR0 setting contains "
"illegal bits: %08x\n",
inf->lccr0 & LCCR0_INVALID_CONFIG_MASK);
if (inf->lccr3 & LCCR3_INVALID_CONFIG_MASK)
- dev_warn(&dev->dev, "machine LCCR3 setting contains "
+ dev_warn(dev, "machine LCCR3 setting contains "
"illegal bits: %08x\n",
inf->lccr3 & LCCR3_INVALID_CONFIG_MASK);
if (inf->lccr0 & LCCR0_DPD &&
((inf->lccr0 & LCCR0_PAS) != LCCR0_Pas ||
(inf->lccr0 & LCCR0_SDS) != LCCR0_Sngl ||
(inf->lccr0 & LCCR0_CMS) != LCCR0_Mono))
- dev_warn(&dev->dev, "Double Pixel Data (DPD) mode is "
+ dev_warn(dev, "Double Pixel Data (DPD) mode is "
"only valid in passive mono"
" single panel mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Act &&
(inf->lccr0 & LCCR0_SDS) == LCCR0_Dual)
- dev_warn(&dev->dev, "Dual panel only valid in passive mode\n");
+ dev_warn(dev, "Dual panel only valid in passive mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Pas &&
(inf->modes->upper_margin || inf->modes->lower_margin))
- dev_warn(&dev->dev, "Upper and lower margins must be 0 in "
+ dev_warn(dev, "Upper and lower margins must be 0 in "
"passive mode\n");
+}
+#else
+#define pxafb_check_options(...) do {} while (0)
#endif
+static int __devinit pxafb_probe(struct platform_device *dev)
+{
+ struct pxafb_info *fbi;
+ struct pxafb_mach_info *inf;
+ struct resource *r;
+ int irq, ret;
+
+ dev_dbg(&dev->dev, "pxafb_probe\n");
+
+ inf = dev->dev.platform_data;
+ ret = -ENOMEM;
+ fbi = NULL;
+ if (!inf)
+ goto failed;
+
+ ret = pxafb_parse_options(&dev->dev, g_options);
+ if (ret < 0)
+ goto failed;
+
+ pxafb_check_options(&dev->dev, inf);
+
dev_dbg(&dev->dev, "got a %dx%dx%d LCD\n",
inf->modes->xres,
inf->modes->yres,
return ret;
}
+static int __devexit pxafb_remove(struct platform_device *dev)
+{
+ struct pxafb_info *fbi = platform_get_drvdata(dev);
+ struct resource *r;
+ int irq;
+ struct fb_info *info;
+
+ if (!fbi)
+ return 0;
+
+ info = &fbi->fb;
+
+ unregister_framebuffer(info);
+
+ pxafb_disable_controller(fbi);
+
+ if (fbi->fb.cmap.len)
+ fb_dealloc_cmap(&fbi->fb.cmap);
+
+ irq = platform_get_irq(dev, 0);
+ free_irq(irq, fbi);
+
+ dma_free_writecombine(&dev->dev, fbi->map_size,
+ fbi->map_cpu, fbi->map_dma);
+
+ iounmap(fbi->mmio_base);
+
+ r = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ release_mem_region(r->start, r->end - r->start + 1);
+
+ clk_put(fbi->clk);
+ kfree(fbi);
+
+ return 0;
+}
+
static struct platform_driver pxafb_driver = {
.probe = pxafb_probe,
+ .remove = pxafb_remove,
.suspend = pxafb_suspend,
.resume = pxafb_resume,
.driver = {
+ .owner = THIS_MODULE,
.name = "pxa2xx-fb",
},
};
-static int __devinit pxafb_init(void)
+static int __init pxafb_init(void)
{
if (pxafb_setup_options())
return -EINVAL;
return platform_driver_register(&pxafb_driver);
}
+static void __exit pxafb_exit(void)
+{
+ platform_driver_unregister(&pxafb_driver);
+}
+
module_init(pxafb_init);
+module_exit(pxafb_exit);
MODULE_DESCRIPTION("loadable framebuffer driver for PXA");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff