提交 3b495f2b 编写于 作者: P Pete Popov 提交者: Ralf Baechle

Au1100 FB driver uplift for 2.6.

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
Acked-by: NAntonino Daplas <adaplas@pol.net>
上级 172546bf
......@@ -41,8 +41,42 @@ static struct platform_device au1xxx_usb_ohci_device = {
.resource = au1xxx_usb_ohci_resources,
};
/*** AU1100 LCD controller ***/
#ifdef CONFIG_FB_AU1100
static struct resource au1100_lcd_resources[] = {
[0] = {
.start = LCD_PHYS_ADDR,
.end = LCD_PHYS_ADDR + 0x800 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1100_LCD_INT,
.end = AU1100_LCD_INT,
.flags = IORESOURCE_IRQ,
}
};
static u64 au1100_lcd_dmamask = ~(u32)0;
static struct platform_device au1100_lcd_device = {
.name = "au1100-lcd",
.id = 0,
.dev = {
.dma_mask = &au1100_lcd_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(au1100_lcd_resources),
.resource = au1100_lcd_resources,
};
#endif
static struct platform_device *au1xxx_platform_devices[] __initdata = {
&au1xxx_usb_ohci_device,
#ifdef CONFIG_FB_AU1100
&au1100_lcd_device,
#endif
};
int au1xxx_platform_init(void)
......
......@@ -106,8 +106,6 @@ void __init plat_setup(void)
/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
#ifdef CONFIG_MIPS_HYDROGEN3
strcat(argptr, " video=au1100fb:panel:Hydrogen_3_NEC_panel_320x240,nohwcursor");
#else
strcat(argptr, " video=au1100fb:panel:s10,nohwcursor");
#endif
}
#endif
......
......@@ -86,7 +86,7 @@ obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o
obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o
obj-$(CONFIG_FB_PXA) += pxafb.o
obj-$(CONFIG_FB_W100) += w100fb.o
obj-$(CONFIG_FB_AU1100) += au1100fb.o fbgen.o
obj-$(CONFIG_FB_AU1100) += au1100fb.o
obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o
obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o
obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o
......
......@@ -2,6 +2,11 @@
* BRIEF MODULE DESCRIPTION
* Au1100 LCD Driver.
*
* Rewritten for 2.6 by Embedded Alley Solutions
* <source@embeddedalley.com>, based on submissions by
* Karl Lessard <klessard@sunrisetelecom.com>
* <c.pellegrin@exadron.com>
*
* Copyright 2002 MontaVista Software
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
......@@ -33,298 +38,253 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/ctype.h>
#include <linux/dma-mapping.h>
#include <asm/au1000.h>
#include <asm/pb1100.h>
#include "au1100fb.h"
#include <asm/mach-au1x00/au1000.h>
#include <video/fbcon.h>
#include <video/fbcon-mfb.h>
#include <video/fbcon-cfb2.h>
#include <video/fbcon-cfb4.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb16.h>
#define DEBUG 0
#include "au1100fb.h"
/*
* Sanity check. If this is a new Au1100 based board, search for
* the PB1100 ifdefs to make sure you modify the code accordingly.
*/
#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || defined(CONFIG_MIPS_HYDROGEN3)
#if defined(CONFIG_MIPS_PB1100)
#include <asm/mach-pb1x00/pb1100.h>
#elif defined(CONFIG_MIPS_DB1100)
#include <asm/mach-db1x00/db1x00.h>
#else
error Unknown Au1100 board
#error "Unknown Au1100 board, Au1100 FB driver not supported"
#endif
#define CMAPSIZE 16
static int my_lcd_index; /* default is zero */
struct known_lcd_panels *p_lcd;
AU1100_LCD *p_lcd_reg = (AU1100_LCD *)AU1100_LCD_ADDR;
struct au1100fb_info {
struct fb_info_gen gen;
unsigned long fb_virt_start;
unsigned long fb_size;
unsigned long fb_phys;
int mmaped;
int nohwcursor;
#define DRIVER_NAME "au1100fb"
#define DRIVER_DESC "LCD controller driver for AU1100 processors"
struct { unsigned red, green, blue, pad; } palette[256];
#define to_au1100fb_device(_info) \
(_info ? container_of(_info, struct au1100fb_device, info) : NULL);
#if defined(FBCON_HAS_CFB16)
u16 fbcon_cmap16[16];
#endif
/* Bitfields format supported by the controller. Note that the order of formats
* SHOULD be the same as in the LCD_CONTROL_SBPPF field, so we can retrieve the
* right pixel format by doing rgb_bitfields[LCD_CONTROL_SBPPF_XXX >> LCD_CONTROL_SBPPF]
*/
struct fb_bitfield rgb_bitfields[][4] =
{
/* Red, Green, Blue, Transp */
{ { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
{ { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
{ { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
{ { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
{ { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
/* The last is used to describe 12bpp format */
{ { 8, 4, 0 }, { 4, 4, 0 }, { 0, 4, 0 }, { 0, 0, 0 } },
};
struct au1100fb_par {
struct fb_var_screeninfo var;
int line_length; // in bytes
int cmap_len; // color-map length
static struct fb_fix_screeninfo au1100fb_fix __initdata = {
.id = "AU1100 FB",
.xpanstep = 1,
.ypanstep = 1,
.type = FB_TYPE_PACKED_PIXELS,
.accel = FB_ACCEL_NONE,
};
static struct au1100fb_info fb_info;
static struct au1100fb_par current_par;
static struct display disp;
int au1100fb_init(void);
void au1100fb_setup(char *options, int *ints);
static int au1100fb_mmap(struct fb_info *fb, struct file *file,
struct vm_area_struct *vma);
static int au1100_blank(int blank_mode, struct fb_info_gen *info);
static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
u_long arg, int con, struct fb_info *info);
void au1100_nocursor(struct display *p, int mode, int xx, int yy){};
static struct fb_ops au1100fb_ops = {
.owner = THIS_MODULE,
.fb_get_fix = fbgen_get_fix,
.fb_get_var = fbgen_get_var,
.fb_set_var = fbgen_set_var,
.fb_get_cmap = fbgen_get_cmap,
.fb_set_cmap = fbgen_set_cmap,
.fb_pan_display = fbgen_pan_display,
.fb_ioctl = au1100fb_ioctl,
.fb_mmap = au1100fb_mmap,
static struct fb_var_screeninfo au1100fb_var __initdata = {
.activate = FB_ACTIVATE_NOW,
.height = -1,
.width = -1,
.vmode = FB_VMODE_NONINTERLACED,
};
static void au1100_detect(void)
{
/*
* This function should detect the current video mode settings
* and store it as the default video mode
*/
static struct au1100fb_drv_info drv_info;
/*
* Yeh, well, we're not going to change any settings so we're
* always stuck with the default ...
/*
* Set hardware with var settings. This will enable the controller with a specific
* mode, normally validated with the fb_check_var method
*/
}
static int au1100_encode_fix(struct fb_fix_screeninfo *fix,
const void *_par, struct fb_info_gen *_info)
int au1100fb_setmode(struct au1100fb_device *fbdev)
{
struct au1100fb_info *info = (struct au1100fb_info *) _info;
struct au1100fb_par *par = (struct au1100fb_par *) _par;
struct fb_var_screeninfo *var = &par->var;
memset(fix, 0, sizeof(struct fb_fix_screeninfo));
fix->smem_start = info->fb_phys;
fix->smem_len = info->fb_size;
fix->type = FB_TYPE_PACKED_PIXELS;
fix->type_aux = 0;
fix->visual = (var->bits_per_pixel == 8) ?
FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
fix->ywrapstep = 0;
fix->xpanstep = 1;
fix->ypanstep = 1;
fix->line_length = current_par.line_length;
return 0;
}
struct fb_info *info = &fbdev->info;
u32 words;
int index;
static void set_color_bitfields(struct fb_var_screeninfo *var)
{
switch (var->bits_per_pixel) {
case 8:
var->red.offset = 0;
var->red.length = 8;
var->green.offset = 0;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 16: /* RGB 565 */
var->red.offset = 11;
var->red.length = 5;
var->green.offset = 5;
var->green.length = 6;
var->blue.offset = 0;
var->blue.length = 5;
var->transp.offset = 0;
var->transp.length = 0;
break;
if (!fbdev)
return -EINVAL;
/* Update var-dependent FB info */
if (panel_is_active(fbdev->panel) || panel_is_color(fbdev->panel)) {
if (info->var.bits_per_pixel <= 8) {
/* palettized */
info->var.red.offset = 0;
info->var.red.length = info->var.bits_per_pixel;
info->var.red.msb_right = 0;
info->var.green.offset = 0;
info->var.green.length = info->var.bits_per_pixel;
info->var.green.msb_right = 0;
info->var.blue.offset = 0;
info->var.blue.length = info->var.bits_per_pixel;
info->var.blue.msb_right = 0;
info->var.transp.offset = 0;
info->var.transp.length = 0;
info->var.transp.msb_right = 0;
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
info->fix.line_length = info->var.xres_virtual /
(8/info->var.bits_per_pixel);
} else {
/* non-palettized */
index = (fbdev->panel->control_base & LCD_CONTROL_SBPPF_MASK) >> LCD_CONTROL_SBPPF_BIT;
info->var.red = rgb_bitfields[index][0];
info->var.green = rgb_bitfields[index][1];
info->var.blue = rgb_bitfields[index][2];
info->var.transp = rgb_bitfields[index][3];
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.line_length = info->var.xres_virtual << 1; /* depth=16 */
}
} else {
/* mono */
info->fix.visual = FB_VISUAL_MONO10;
info->fix.line_length = info->var.xres_virtual / 8;
}
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
var->transp.msb_right = 0;
}
info->screen_size = info->fix.line_length * info->var.yres_virtual;
static int au1100_decode_var(const struct fb_var_screeninfo *var,
void *_par, struct fb_info_gen *_info)
{
/* Determine BPP mode and format */
fbdev->regs->lcd_control = fbdev->panel->control_base |
((info->var.rotate/90) << LCD_CONTROL_SM_BIT);
struct au1100fb_par *par = (struct au1100fb_par *)_par;
fbdev->regs->lcd_intenable = 0;
fbdev->regs->lcd_intstatus = 0;
/*
* Don't allow setting any of these yet: xres and yres don't
* make sense for LCD panels.
*/
if (var->xres != p_lcd->xres ||
var->yres != p_lcd->yres ||
var->xres != p_lcd->xres ||
var->yres != p_lcd->yres) {
return -EINVAL;
}
if(var->bits_per_pixel != p_lcd->bpp) {
return -EINVAL;
}
fbdev->regs->lcd_horztiming = fbdev->panel->horztiming;
memset(par, 0, sizeof(struct au1100fb_par));
par->var = *var;
/* FIXME */
switch (var->bits_per_pixel) {
case 8:
par->var.bits_per_pixel = 8;
break;
case 16:
par->var.bits_per_pixel = 16;
break;
default:
printk("color depth %d bpp not supported\n",
var->bits_per_pixel);
return -EINVAL;
fbdev->regs->lcd_verttiming = fbdev->panel->verttiming;
fbdev->regs->lcd_clkcontrol = fbdev->panel->clkcontrol_base;
fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(fbdev->fb_phys);
if (panel_is_dual(fbdev->panel)) {
/* Second panel display seconf half of screen if possible,
* otherwise display the same as the first panel */
if (info->var.yres_virtual >= (info->var.yres << 1)) {
fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys +
(info->fix.line_length *
(info->var.yres_virtual >> 1)));
} else {
fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys);
}
}
set_color_bitfields(&par->var);
par->cmap_len = (par->var.bits_per_pixel == 8) ? 256 : 16;
return 0;
}
static int au1100_encode_var(struct fb_var_screeninfo *var,
const void *par, struct fb_info_gen *_info)
{
words = info->fix.line_length / sizeof(u32);
if (!info->var.rotate || (info->var.rotate == 180)) {
words *= info->var.yres_virtual;
if (info->var.rotate /* 180 */) {
words -= (words % 8); /* should be divisable by 8 */
}
}
fbdev->regs->lcd_words = LCD_WRD_WRDS_N(words);
*var = ((struct au1100fb_par *)par)->var;
return 0;
}
fbdev->regs->lcd_pwmdiv = 0;
fbdev->regs->lcd_pwmhi = 0;
static void
au1100_get_par(void *_par, struct fb_info_gen *_info)
{
*(struct au1100fb_par *)_par = current_par;
}
/* Resume controller */
fbdev->regs->lcd_control |= LCD_CONTROL_GO;
static void au1100_set_par(const void *par, struct fb_info_gen *info)
{
/* nothing to do: we don't change any settings */
return 0;
}
static int au1100_getcolreg(unsigned regno, unsigned *red, unsigned *green,
unsigned *blue, unsigned *transp,
struct fb_info *info)
/* fb_setcolreg
* Set color in LCD palette.
*/
int au1100fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
{
struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
u32 *palette = fbdev->regs->lcd_pallettebase;
u32 value;
struct au1100fb_info* i = (struct au1100fb_info*)info;
if (regno > 255)
return 1;
if (regno > (AU1100_LCD_NBR_PALETTE_ENTRIES - 1))
return -EINVAL;
*red = i->palette[regno].red;
*green = i->palette[regno].green;
*blue = i->palette[regno].blue;
*transp = 0;
if (fbi->var.grayscale) {
/* Convert color to grayscale */
red = green = blue =
(19595 * red + 38470 * green + 7471 * blue) >> 16;
}
return 0;
}
if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
/* Place color in the pseudopalette */
if (regno > 16)
return -EINVAL;
static int au1100_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *info)
{
struct au1100fb_info* i = (struct au1100fb_info *)info;
u32 rgbcol;
if (regno > 255)
return 1;
i->palette[regno].red = red;
i->palette[regno].green = green;
i->palette[regno].blue = blue;
switch(p_lcd->bpp) {
#ifdef FBCON_HAS_CFB8
case 8:
red >>= 10;
green >>= 10;
blue >>= 10;
p_lcd_reg->lcd_pallettebase[regno] = (blue&0x1f) |
((green&0x3f)<<5) | ((red&0x1f)<<11);
break;
#endif
#ifdef FBCON_HAS_CFB16
case 16:
i->fbcon_cmap16[regno] =
((red & 0xf800) >> 0) |
((green & 0xfc00) >> 5) |
((blue & 0xf800) >> 11);
break;
#endif
default:
break;
palette = (u32*)fbi->pseudo_palette;
red >>= (16 - fbi->var.red.length);
green >>= (16 - fbi->var.green.length);
blue >>= (16 - fbi->var.blue.length);
value = (red << fbi->var.red.offset) |
(green << fbi->var.green.offset)|
(blue << fbi->var.blue.offset);
value &= 0xFFFF;
} else if (panel_is_active(fbdev->panel)) {
/* COLOR TFT PALLETTIZED (use RGB 565) */
value = (red & 0xF800)|((green >> 5) & 0x07E0)|((blue >> 11) & 0x001F);
value &= 0xFFFF;
} else if (panel_is_color(fbdev->panel)) {
/* COLOR STN MODE */
value = (((panel_swap_rgb(fbdev->panel) ? blue : red) >> 12) & 0x000F) |
((green >> 8) & 0x00F0) |
(((panel_swap_rgb(fbdev->panel) ? red : blue) >> 4) & 0x0F00);
value &= 0xFFF;
} else {
/* MONOCHROME MODE */
value = (green >> 12) & 0x000F;
value &= 0xF;
}
palette[regno] = value;
return 0;
}
static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
/* fb_blank
* Blank the screen. Depending on the mode, the screen will be
* activated with the backlight color, or desactivated
*/
int au1100fb_fb_blank(int blank_mode, struct fb_info *fbi)
{
struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
print_dbg("fb_blank %d %p", blank_mode, fbi);
switch (blank_mode) {
case VESA_NO_BLANKING:
/* turn on panel */
//printk("turn on panel\n");
/* Turn on panel */
fbdev->regs->lcd_control |= LCD_CONTROL_GO;
#ifdef CONFIG_MIPS_PB1100
p_lcd_reg->lcd_control |= LCD_CONTROL_GO;
au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
if (drv_info.panel_idx == 1) {
au_writew(au_readw(PB1100_G_CONTROL)
| (PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
PB1100_G_CONTROL);
#endif
#ifdef CONFIG_MIPS_HYDROGEN3
/* Turn controller & power supply on, GPIO213 */
au_writel(0x20002000, 0xB1700008);
au_writel(0x00040000, 0xB1900108);
au_writel(0x01000100, 0xB1700008);
}
#endif
au_sync();
break;
......@@ -332,12 +292,14 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
case VESA_VSYNC_SUSPEND:
case VESA_HSYNC_SUSPEND:
case VESA_POWERDOWN:
/* turn off panel */
//printk("turn off panel\n");
/* Turn off panel */
fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
#ifdef CONFIG_MIPS_PB1100
au_writew(au_readw(PB1100_G_CONTROL) & ~p_lcd->mode_backlight,
if (drv_info.panel_idx == 1) {
au_writew(au_readw(PB1100_G_CONTROL)
& ~(PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
PB1100_G_CONTROL);
p_lcd_reg->lcd_control &= ~LCD_CONTROL_GO;
}
#endif
au_sync();
break;
......@@ -348,49 +310,87 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
return 0;
}
static void au1100_set_disp(const void *unused, struct display *disp,
struct fb_info_gen *info)
/* fb_pan_display
* Pan display in x and/or y as specified
*/
int au1100fb_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
{
disp->screen_base = (char *)fb_info.fb_virt_start;
switch (disp->var.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
case 8:
disp->dispsw = &fbcon_cfb8;
if (fb_info.nohwcursor)
fbcon_cfb8.cursor = au1100_nocursor;
break;
#endif
#ifdef FBCON_HAS_CFB16
case 16:
disp->dispsw = &fbcon_cfb16;
disp->dispsw_data = fb_info.fbcon_cmap16;
if (fb_info.nohwcursor)
fbcon_cfb16.cursor = au1100_nocursor;
break;
#endif
default:
disp->dispsw = &fbcon_dummy;
disp->dispsw_data = NULL;
break;
struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
int dy;
print_dbg("fb_pan_display %p %p", var, fbi);
if (!var || !fbdev) {
return -EINVAL;
}
if (var->xoffset - fbi->var.xoffset) {
/* No support for X panning for now! */
return -EINVAL;
}
print_dbg("fb_pan_display 2 %p %p", var, fbi);
dy = var->yoffset - fbi->var.yoffset;
if (dy) {
u32 dmaaddr;
print_dbg("Panning screen of %d lines", dy);
dmaaddr = fbdev->regs->lcd_dmaaddr0;
dmaaddr += (fbi->fix.line_length * dy);
/* TODO: Wait for current frame to finished */
fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
if (panel_is_dual(fbdev->panel)) {
dmaaddr = fbdev->regs->lcd_dmaaddr1;
dmaaddr += (fbi->fix.line_length * dy);
fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
}
}
print_dbg("fb_pan_display 3 %p %p", var, fbi);
return 0;
}
/* fb_rotate
* Rotate the display of this angle. This doesn't seems to be used by the core,
* but as our hardware supports it, so why not implementing it...
*/
void au1100fb_fb_rotate(struct fb_info *fbi, int angle)
{
struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
print_dbg("fb_rotate %p %d", fbi, angle);
if (fbdev && (angle > 0) && !(angle % 90)) {
fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
fbdev->regs->lcd_control &= ~(LCD_CONTROL_SM_MASK);
fbdev->regs->lcd_control |= ((angle/90) << LCD_CONTROL_SM_BIT);
fbdev->regs->lcd_control |= LCD_CONTROL_GO;
}
}
static int
au1100fb_mmap(struct fb_info *_fb,
struct file *file,
struct vm_area_struct *vma)
/* fb_mmap
* Map video memory in user space. We don't use the generic fb_mmap method mainly
* to allow the use of the TLB streaming flag (CCA=6)
*/
int au1100fb_fb_mmap(struct fb_info *fbi, struct file *file, struct vm_area_struct *vma)
{
struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
unsigned int len;
unsigned long start=0, off;
struct au1100fb_info *fb = (struct au1100fb_info *)_fb;
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
return -EINVAL;
}
start = fb_info.fb_phys & PAGE_MASK;
len = PAGE_ALIGN((start & ~PAGE_MASK) + fb_info.fb_size);
start = fbdev->fb_phys & PAGE_MASK;
len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
off = vma->vm_pgoff << PAGE_SHIFT;
......@@ -401,276 +401,309 @@ au1100fb_mmap(struct fb_info *_fb,
off += start;
vma->vm_pgoff = off >> PAGE_SHIFT;
pgprot_val(vma->vm_page_prot) &= ~_CACHE_MASK;
//pgprot_val(vma->vm_page_prot) |= _CACHE_CACHABLE_NONCOHERENT;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6
/* This is an IO map - tell maydump to skip this VMA */
vma->vm_flags |= VM_IO;
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
if (io_remap_page_range(vma, vma->vm_start, off,
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) {
return -EAGAIN;
}
fb->mmaped = 1;
return 0;
}
int au1100_pan_display(const struct fb_var_screeninfo *var,
struct fb_info_gen *info)
static struct fb_ops au1100fb_ops =
{
return 0;
}
.owner = THIS_MODULE,
.fb_setcolreg = au1100fb_fb_setcolreg,
.fb_blank = au1100fb_fb_blank,
.fb_pan_display = au1100fb_fb_pan_display,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_rotate = au1100fb_fb_rotate,
.fb_mmap = au1100fb_fb_mmap,
};
static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
u_long arg, int con, struct fb_info *info)
{
/* nothing to do yet */
return -EINVAL;
}
static struct fbgen_hwswitch au1100_switch = {
au1100_detect,
au1100_encode_fix,
au1100_decode_var,
au1100_encode_var,
au1100_get_par,
au1100_set_par,
au1100_getcolreg,
au1100_setcolreg,
au1100_pan_display,
au1100_blank,
au1100_set_disp
};
/*-------------------------------------------------------------------------*/
/* AU1100 LCD controller device driver */
int au1100_setmode(void)
int au1100fb_drv_probe(struct device *dev)
{
int words;
/* FIXME Need to accomodate for swivel mode and 12bpp, <8bpp*/
switch (p_lcd->mode_control & LCD_CONTROL_SM)
{
case LCD_CONTROL_SM_0:
case LCD_CONTROL_SM_180:
words = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 32;
break;
case LCD_CONTROL_SM_90:
case LCD_CONTROL_SM_270:
/* is this correct? */
words = (p_lcd->xres * p_lcd->bpp) / 8;
break;
default:
printk("mode_control reg not initialized\n");
struct au1100fb_device *fbdev = NULL;
struct resource *regs_res;
unsigned long page;
u32 sys_clksrc;
if (!dev)
return -EINVAL;
/* Allocate new device private */
if (!(fbdev = kmalloc(sizeof(struct au1100fb_device), GFP_KERNEL))) {
print_err("fail to allocate device private record");
return -ENOMEM;
}
memset((void*)fbdev, 0, sizeof(struct au1100fb_device));
/*
* Setup LCD controller
*/
fbdev->panel = &known_lcd_panels[drv_info.panel_idx];
p_lcd_reg->lcd_control = p_lcd->mode_control;
p_lcd_reg->lcd_intstatus = 0;
p_lcd_reg->lcd_intenable = 0;
p_lcd_reg->lcd_horztiming = p_lcd->mode_horztiming;
p_lcd_reg->lcd_verttiming = p_lcd->mode_verttiming;
p_lcd_reg->lcd_clkcontrol = p_lcd->mode_clkcontrol;
p_lcd_reg->lcd_words = words - 1;
p_lcd_reg->lcd_dmaaddr0 = fb_info.fb_phys;
dev_set_drvdata(dev, (void*)fbdev);
/* turn on panel */
#ifdef CONFIG_MIPS_PB1100
au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
PB1100_G_CONTROL);
#endif
#ifdef CONFIG_MIPS_HYDROGEN3
/* Turn controller & power supply on, GPIO213 */
au_writel(0x20002000, 0xB1700008);
au_writel(0x00040000, 0xB1900108);
au_writel(0x01000100, 0xB1700008);
#endif
/* Allocate region for our registers and map them */
if (!(regs_res = platform_get_resource(to_platform_device(dev),
IORESOURCE_MEM, 0))) {
print_err("fail to retrieve registers resource");
return -EFAULT;
}
p_lcd_reg->lcd_control |= LCD_CONTROL_GO;
au1100fb_fix.mmio_start = regs_res->start;
au1100fb_fix.mmio_len = regs_res->end - regs_res->start + 1;
return 0;
}
if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len,
DRIVER_NAME)) {
print_err("fail to lock memory region at 0x%08x",
au1100fb_fix.mmio_start);
return -EBUSY;
}
fbdev->regs = (struct au1100fb_regs*)KSEG1ADDR(au1100fb_fix.mmio_start);
int __init au1100fb_init(void)
{
uint32 sys_clksrc;
unsigned long page;
print_dbg("Register memory map at %p", fbdev->regs);
print_dbg("phys=0x%08x, size=%d", fbdev->regs_phys, fbdev->regs_len);
/*
* Get the panel information/display mode and update the registry
*/
p_lcd = &panels[my_lcd_index];
switch (p_lcd->mode_control & LCD_CONTROL_SM)
{
case LCD_CONTROL_SM_0:
case LCD_CONTROL_SM_180:
p_lcd->xres =
(p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
p_lcd->yres =
(p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
break;
case LCD_CONTROL_SM_90:
case LCD_CONTROL_SM_270:
p_lcd->yres =
(p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
p_lcd->xres =
(p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
break;
}
/*
* Panel dimensions x bpp must be divisible by 32
*/
if (((p_lcd->yres * p_lcd->bpp) % 32) != 0)
printk("VERT %% 32\n");
if (((p_lcd->xres * p_lcd->bpp) % 32) != 0)
printk("HORZ %% 32\n");
/*
* Allocate LCD framebuffer from system memory
*/
fb_info.fb_size = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 8;
current_par.var.xres = p_lcd->xres;
current_par.var.xres_virtual = p_lcd->xres;
current_par.var.yres = p_lcd->yres;
current_par.var.yres_virtual = p_lcd->yres;
current_par.var.bits_per_pixel = p_lcd->bpp;
/* FIX!!! only works for 8/16 bpp */
current_par.line_length = p_lcd->xres * p_lcd->bpp / 8; /* in bytes */
fb_info.fb_virt_start = (unsigned long )
__get_free_pages(GFP_ATOMIC | GFP_DMA,
get_order(fb_info.fb_size + 0x1000));
if (!fb_info.fb_virt_start) {
printk("Unable to allocate fb memory\n");
/* Allocate the framebuffer to the maximum screen size * nbr of video buffers */
fbdev->fb_len = fbdev->panel->xres * fbdev->panel->yres *
(fbdev->panel->bpp >> 3) * AU1100FB_NBR_VIDEO_BUFFERS;
fbdev->fb_mem = dma_alloc_coherent(dev, PAGE_ALIGN(fbdev->fb_len),
&fbdev->fb_phys, GFP_KERNEL);
if (!fbdev->fb_mem) {
print_err("fail to allocate frambuffer (size: %dK))",
fbdev->fb_len / 1024);
return -ENOMEM;
}
fb_info.fb_phys = virt_to_bus((void *)fb_info.fb_virt_start);
au1100fb_fix.smem_start = fbdev->fb_phys;
au1100fb_fix.smem_len = fbdev->fb_len;
/*
* Set page reserved so that mmap will work. This is necessary
* since we'll be remapping normal memory.
*/
for (page = fb_info.fb_virt_start;
page < PAGE_ALIGN(fb_info.fb_virt_start + fb_info.fb_size);
for (page = (unsigned long)fbdev->fb_mem;
page < PAGE_ALIGN((unsigned long)fbdev->fb_mem + fbdev->fb_len);
page += PAGE_SIZE) {
#if CONFIG_DMA_NONCOHERENT
SetPageReserved(virt_to_page(CAC_ADDR(page)));
#else
SetPageReserved(virt_to_page(page));
#endif
}
memset((void *)fb_info.fb_virt_start, 0, fb_info.fb_size);
/* set freqctrl now to allow more time to stabilize */
/* zero-out out LCD bits */
sys_clksrc = au_readl(SYS_CLKSRC) & ~0x000003e0;
sys_clksrc |= p_lcd->mode_toyclksrc;
au_writel(sys_clksrc, SYS_CLKSRC);
/* FIXME add check to make sure auxpll is what is expected! */
au1100_setmode();
fb_info.gen.parsize = sizeof(struct au1100fb_par);
fb_info.gen.fbhw = &au1100_switch;
strcpy(fb_info.gen.info.modename, "Au1100 LCD");
fb_info.gen.info.changevar = NULL;
fb_info.gen.info.node = -1;
fb_info.gen.info.fbops = &au1100fb_ops;
fb_info.gen.info.disp = &disp;
fb_info.gen.info.switch_con = &fbgen_switch;
fb_info.gen.info.updatevar = &fbgen_update_var;
fb_info.gen.info.blank = &fbgen_blank;
fb_info.gen.info.flags = FBINFO_FLAG_DEFAULT;
/* This should give a reasonable default video mode */
fbgen_get_var(&disp.var, -1, &fb_info.gen.info);
fbgen_do_set_var(&disp.var, 1, &fb_info.gen);
fbgen_set_disp(-1, &fb_info.gen);
fbgen_install_cmap(0, &fb_info.gen);
if (register_framebuffer(&fb_info.gen.info) < 0)
return -EINVAL;
printk(KERN_INFO "fb%d: %s frame buffer device\n",
GET_FB_IDX(fb_info.gen.info.node),
fb_info.gen.info.modename);
print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
/* Setup LCD clock to AUX (48 MHz) */
sys_clksrc = au_readl(SYS_CLKSRC) & ~(SYS_CS_ML_MASK | SYS_CS_DL | SYS_CS_CL);
au_writel((sys_clksrc | (1 << SYS_CS_ML_BIT)), SYS_CLKSRC);
/* load the panel info into the var struct */
au1100fb_var.bits_per_pixel = fbdev->panel->bpp;
au1100fb_var.xres = fbdev->panel->xres;
au1100fb_var.xres_virtual = au1100fb_var.xres;
au1100fb_var.yres = fbdev->panel->yres;
au1100fb_var.yres_virtual = au1100fb_var.yres;
fbdev->info.screen_base = fbdev->fb_mem;
fbdev->info.fbops = &au1100fb_ops;
fbdev->info.fix = au1100fb_fix;
if (!(fbdev->info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL))) {
return -ENOMEM;
}
memset(fbdev->info.pseudo_palette, 0, sizeof(u32) * 16);
if (fb_alloc_cmap(&fbdev->info.cmap, AU1100_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
print_err("Fail to allocate colormap (%d entries)",
AU1100_LCD_NBR_PALETTE_ENTRIES);
kfree(fbdev->info.pseudo_palette);
return -EFAULT;
}
fbdev->info.var = au1100fb_var;
/* Set h/w registers */
au1100fb_setmode(fbdev);
/* Register new framebuffer */
if (register_framebuffer(&fbdev->info) < 0) {
print_err("cannot register new framebuffer");
goto failed;
}
return 0;
failed:
if (fbdev->regs) {
release_mem_region(fbdev->regs_phys, fbdev->regs_len);
}
if (fbdev->fb_mem) {
dma_free_noncoherent(dev, fbdev->fb_len, fbdev->fb_mem, fbdev->fb_phys);
}
if (fbdev->info.cmap.len != 0) {
fb_dealloc_cmap(&fbdev->info.cmap);
}
kfree(fbdev);
dev_set_drvdata(dev, NULL);
return 0;
}
int au1100fb_drv_remove(struct device *dev)
{
struct au1100fb_device *fbdev = NULL;
if (!dev)
return -ENODEV;
fbdev = (struct au1100fb_device*) dev_get_drvdata(dev);
#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
#endif
fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
void au1100fb_cleanup(struct fb_info *info)
/* Clean up all probe data */
unregister_framebuffer(&fbdev->info);
release_mem_region(fbdev->regs_phys, fbdev->regs_len);
dma_free_coherent(dev, PAGE_ALIGN(fbdev->fb_len), fbdev->fb_mem, fbdev->fb_phys);
fb_dealloc_cmap(&fbdev->info.cmap);
kfree(fbdev->info.pseudo_palette);
kfree((void*)fbdev);
return 0;
}
int au1100fb_drv_suspend(struct device *dev, u32 state, u32 level)
{
/* TODO */
return 0;
}
int au1100fb_drv_resume(struct device *dev, u32 level)
{
unregister_framebuffer(info);
/* TODO */
return 0;
}
static struct device_driver au1100fb_driver = {
.name = "au1100-lcd",
.bus = &platform_bus_type,
void au1100fb_setup(char *options, int *ints)
.probe = au1100fb_drv_probe,
.remove = au1100fb_drv_remove,
.suspend = au1100fb_drv_suspend,
.resume = au1100fb_drv_resume,
};
/*-------------------------------------------------------------------------*/
/* Kernel driver */
int au1100fb_setup(char *options)
{
char* this_opt;
int i;
int num_panels = sizeof(panels)/sizeof(struct known_lcd_panels);
int num_panels = ARRAY_SIZE(known_lcd_panels);
char* mode = NULL;
int panel_idx = 0;
if (num_panels <= 0) {
print_err("No LCD panels supported by driver!");
return -EFAULT;
}
if (!options || !*options)
return;
for(this_opt=strtok(options, ","); this_opt;
this_opt=strtok(NULL, ",")) {
if (options) {
while ((this_opt = strsep(&options,",")) != NULL) {
/* Panel option */
if (!strncmp(this_opt, "panel:", 6)) {
#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100)
/* Read Pb1100 Switch S10 ? */
if (!strncmp(this_opt+6, "s10", 3))
{
int panel;
panel = *(volatile int *)0xAE000008; /* BCSR SWITCHES */
panel >>= 8;
panel &= 0x0F;
if (panel >= num_panels) panel = 0;
my_lcd_index = panel;
}
else
#endif
/* Get the panel name, everything else if fixed */
for (i=0; i<num_panels; i++) {
if (!strncmp(this_opt+6, panels[i].panel_name,
int i;
this_opt += 6;
for (i = 0; i < num_panels; i++) {
if (!strncmp(this_opt,
known_lcd_panels[i].name,
strlen(this_opt))) {
my_lcd_index = i;
panel_idx = i;
break;
}
}
if (i >= num_panels) {
print_warn("Panel %s not supported!", this_opt);
}
}
/* Mode option (only option that start with digit) */
else if (isdigit(this_opt[0])) {
mode = kmalloc(strlen(this_opt) + 1, GFP_KERNEL);
strncpy(mode, this_opt, strlen(this_opt) + 1);
}
/* Unsupported option */
else {
print_warn("Unsupported option \"%s\"", this_opt);
}
else if (!strncmp(this_opt, "nohwcursor", 10)) {
printk("nohwcursor\n");
fb_info.nohwcursor = 1;
}
}
printk("au1100fb: Panel %d %s\n", my_lcd_index,
panels[my_lcd_index].panel_name);
}
drv_info.panel_idx = panel_idx;
drv_info.opt_mode = mode;
print_info("Panel=%s Mode=%s",
known_lcd_panels[drv_info.panel_idx].name,
drv_info.opt_mode ? drv_info.opt_mode : "default");
return 0;
}
#ifdef MODULE
MODULE_LICENSE("GPL");
int init_module(void)
int __init au1100fb_init(void)
{
return au1100fb_init();
char* options;
int ret;
print_info("" DRIVER_DESC "");
memset(&drv_info, 0, sizeof(drv_info));
if (fb_get_options(DRIVER_NAME, &options))
return -ENODEV;
/* Setup driver with options */
ret = au1100fb_setup(options);
if (ret < 0) {
print_err("Fail to setup driver");
return ret;
}
return driver_register(&au1100fb_driver);
}
void cleanup_module(void)
void __exit au1100fb_cleanup(void)
{
au1100fb_cleanup(void);
driver_unregister(&au1100fb_driver);
if (drv_info.opt_mode)
kfree(drv_info.opt_mode);
}
MODULE_AUTHOR("Pete Popov <ppopov@mvista.com>");
MODULE_DESCRIPTION("Au1100 LCD framebuffer device driver");
#endif /* MODULE */
module_init(au1100fb_init);
module_exit(au1100fb_cleanup);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
......@@ -30,352 +30,352 @@
#ifndef _AU1100LCD_H
#define _AU1100LCD_H
#include <asm/mach-au1x00/au1000.h>
#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
#if DEBUG
#define print_dbg(f, arg...) printk(__FILE__ ": " f "\n", ## arg)
#else
#define print_dbg(f, arg...) do {} while (0)
#endif
#if defined(__BIG_ENDIAN)
#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
#else
#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
#endif
#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
/********************************************************************/
#define uint32 unsigned long
typedef volatile struct
{
uint32 lcd_control;
uint32 lcd_intstatus;
uint32 lcd_intenable;
uint32 lcd_horztiming;
uint32 lcd_verttiming;
uint32 lcd_clkcontrol;
uint32 lcd_dmaaddr0;
uint32 lcd_dmaaddr1;
uint32 lcd_words;
uint32 lcd_pwmdiv;
uint32 lcd_pwmhi;
uint32 reserved[(0x0400-0x002C)/4];
uint32 lcd_pallettebase[256];
} AU1100_LCD;
/* LCD controller restrictions */
#define AU1100_LCD_MAX_XRES 800
#define AU1100_LCD_MAX_YRES 600
#define AU1100_LCD_MAX_BPP 16
#define AU1100_LCD_MAX_CLK 48000000
#define AU1100_LCD_NBR_PALETTE_ENTRIES 256
/* Default number of visible screen buffer to allocate */
#define AU1100FB_NBR_VIDEO_BUFFERS 4
/********************************************************************/
#define AU1100_LCD_ADDR 0xB5000000
struct au1100fb_panel
{
const char name[25]; /* Full name <vendor>_<model> */
/*
* Register bit definitions
*/
u32 control_base; /* Mode-independent control values */
u32 clkcontrol_base; /* Panel pixclock preferences */
/* lcd_control */
#define LCD_CONTROL_SBPPF (7<<18)
#define LCD_CONTROL_SBPPF_655 (0<<18)
#define LCD_CONTROL_SBPPF_565 (1<<18)
#define LCD_CONTROL_SBPPF_556 (2<<18)
#define LCD_CONTROL_SBPPF_1555 (3<<18)
#define LCD_CONTROL_SBPPF_5551 (4<<18)
#define LCD_CONTROL_WP (1<<17)
#define LCD_CONTROL_WD (1<<16)
#define LCD_CONTROL_C (1<<15)
#define LCD_CONTROL_SM (3<<13)
#define LCD_CONTROL_SM_0 (0<<13)
#define LCD_CONTROL_SM_90 (1<<13)
#define LCD_CONTROL_SM_180 (2<<13)
#define LCD_CONTROL_SM_270 (3<<13)
#define LCD_CONTROL_DB (1<<12)
#define LCD_CONTROL_CCO (1<<11)
#define LCD_CONTROL_DP (1<<10)
#define LCD_CONTROL_PO (3<<8)
#define LCD_CONTROL_PO_00 (0<<8)
#define LCD_CONTROL_PO_01 (1<<8)
#define LCD_CONTROL_PO_10 (2<<8)
#define LCD_CONTROL_PO_11 (3<<8)
#define LCD_CONTROL_MPI (1<<7)
#define LCD_CONTROL_PT (1<<6)
#define LCD_CONTROL_PC (1<<5)
#define LCD_CONTROL_BPP (7<<1)
#define LCD_CONTROL_BPP_1 (0<<1)
#define LCD_CONTROL_BPP_2 (1<<1)
#define LCD_CONTROL_BPP_4 (2<<1)
#define LCD_CONTROL_BPP_8 (3<<1)
#define LCD_CONTROL_BPP_12 (4<<1)
#define LCD_CONTROL_BPP_16 (5<<1)
#define LCD_CONTROL_GO (1<<0)
/* lcd_intstatus, lcd_intenable */
#define LCD_INT_SD (1<<7)
#define LCD_INT_OF (1<<6)
#define LCD_INT_UF (1<<5)
#define LCD_INT_SA (1<<3)
#define LCD_INT_SS (1<<2)
#define LCD_INT_S1 (1<<1)
#define LCD_INT_S0 (1<<0)
/* lcd_horztiming */
#define LCD_HORZTIMING_HN2 (255<<24)
#define LCD_HORZTIMING_HN2_N(N) (((N)-1)<<24)
#define LCD_HORZTIMING_HN1 (255<<16)
#define LCD_HORZTIMING_HN1_N(N) (((N)-1)<<16)
#define LCD_HORZTIMING_HPW (63<<10)
#define LCD_HORZTIMING_HPW_N(N) (((N)-1)<<10)
#define LCD_HORZTIMING_PPL (1023<<0)
#define LCD_HORZTIMING_PPL_N(N) (((N)-1)<<0)
/* lcd_verttiming */
#define LCD_VERTTIMING_VN2 (255<<24)
#define LCD_VERTTIMING_VN2_N(N) (((N)-1)<<24)
#define LCD_VERTTIMING_VN1 (255<<16)
#define LCD_VERTTIMING_VN1_N(N) (((N)-1)<<16)
#define LCD_VERTTIMING_VPW (63<<10)
#define LCD_VERTTIMING_VPW_N(N) (((N)-1)<<10)
#define LCD_VERTTIMING_LPP (1023<<0)
#define LCD_VERTTIMING_LPP_N(N) (((N)-1)<<0)
/* lcd_clkcontrol */
#define LCD_CLKCONTROL_IB (1<<18)
#define LCD_CLKCONTROL_IC (1<<17)
#define LCD_CLKCONTROL_IH (1<<16)
#define LCD_CLKCONTROL_IV (1<<15)
#define LCD_CLKCONTROL_BF (31<<10)
#define LCD_CLKCONTROL_BF_N(N) (((N)-1)<<10)
#define LCD_CLKCONTROL_PCD (1023<<0)
#define LCD_CLKCONTROL_PCD_N(N) ((N)<<0)
/* lcd_pwmdiv */
#define LCD_PWMDIV_EN (1<<12)
#define LCD_PWMDIV_PWMDIV (2047<<0)
#define LCD_PWMDIV_PWMDIV_N(N) (((N)-1)<<0)
/* lcd_pwmhi */
#define LCD_PWMHI_PWMHI1 (2047<<12)
#define LCD_PWMHI_PWMHI1_N(N) ((N)<<12)
#define LCD_PWMHI_PWMHI0 (2047<<0)
#define LCD_PWMHI_PWMHI0_N(N) ((N)<<0)
/* lcd_pallettebase - MONOCHROME */
#define LCD_PALLETTE_MONO_MI (15<<0)
#define LCD_PALLETTE_MONO_MI_N(N) ((N)<<0)
/* lcd_pallettebase - COLOR */
#define LCD_PALLETTE_COLOR_BI (15<<8)
#define LCD_PALLETTE_COLOR_BI_N(N) ((N)<<8)
#define LCD_PALLETTE_COLOR_GI (15<<4)
#define LCD_PALLETTE_COLOR_GI_N(N) ((N)<<4)
#define LCD_PALLETTE_COLOR_RI (15<<0)
#define LCD_PALLETTE_COLOR_RI_N(N) ((N)<<0)
/* lcd_palletebase - COLOR TFT PALLETIZED */
#define LCD_PALLETTE_TFT_DC (65535<<0)
#define LCD_PALLETTE_TFT_DC_N(N) ((N)<<0)
u32 horztiming;
u32 verttiming;
/********************************************************************/
u32 xres; /* Maximum horizontal resolution */
u32 yres; /* Maximum vertical resolution */
u32 bpp; /* Maximum depth supported */
};
struct known_lcd_panels
struct au1100fb_regs
{
uint32 xres;
uint32 yres;
uint32 bpp;
unsigned char panel_name[256];
uint32 mode_control;
uint32 mode_horztiming;
uint32 mode_verttiming;
uint32 mode_clkcontrol;
uint32 mode_pwmdiv;
uint32 mode_pwmhi;
uint32 mode_toyclksrc;
uint32 mode_backlight;
u32 lcd_control;
u32 lcd_intstatus;
u32 lcd_intenable;
u32 lcd_horztiming;
u32 lcd_verttiming;
u32 lcd_clkcontrol;
u32 lcd_dmaaddr0;
u32 lcd_dmaaddr1;
u32 lcd_words;
u32 lcd_pwmdiv;
u32 lcd_pwmhi;
u32 reserved[(0x0400-0x002C)/4];
u32 lcd_pallettebase[256];
};
struct au1100fb_device {
struct fb_info info; /* FB driver info record */
struct au1100fb_panel *panel; /* Panel connected to this device */
struct au1100fb_regs* regs; /* Registers memory map */
size_t regs_len;
unsigned int regs_phys;
unsigned char* fb_mem; /* FrameBuffer memory map */
size_t fb_len;
dma_addr_t fb_phys;
};
#if defined(__BIG_ENDIAN)
#define LCD_DEFAULT_PIX_FORMAT LCD_CONTROL_PO_11
#else
#define LCD_DEFAULT_PIX_FORMAT LCD_CONTROL_PO_00
#endif
/********************************************************************/
/*
* The fb driver assumes that AUX PLL is at 48MHz. That can
* cover up to 800x600 resolution; if you need higher resolution,
* you should modify the driver as needed, not just this structure.
#define LCD_CONTROL (AU1100_LCD_BASE + 0x0)
#define LCD_CONTROL_SBB_BIT 21
#define LCD_CONTROL_SBB_MASK (0x3 << LCD_CONTROL_SBB_BIT)
#define LCD_CONTROL_SBB_1 (0 << LCD_CONTROL_SBB_BIT)
#define LCD_CONTROL_SBB_2 (1 << LCD_CONTROL_SBB_BIT)
#define LCD_CONTROL_SBB_3 (2 << LCD_CONTROL_SBB_BIT)
#define LCD_CONTROL_SBB_4 (3 << LCD_CONTROL_SBB_BIT)
#define LCD_CONTROL_SBPPF_BIT 18
#define LCD_CONTROL_SBPPF_MASK (0x7 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_SBPPF_655 (0 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_SBPPF_565 (1 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_SBPPF_556 (2 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_SBPPF_1555 (3 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_SBPPF_5551 (4 << LCD_CONTROL_SBPPF_BIT)
#define LCD_CONTROL_WP (1<<17)
#define LCD_CONTROL_WD (1<<16)
#define LCD_CONTROL_C (1<<15)
#define LCD_CONTROL_SM_BIT 13
#define LCD_CONTROL_SM_MASK (0x3 << LCD_CONTROL_SM_BIT)
#define LCD_CONTROL_SM_0 (0 << LCD_CONTROL_SM_BIT)
#define LCD_CONTROL_SM_90 (1 << LCD_CONTROL_SM_BIT)
#define LCD_CONTROL_SM_180 (2 << LCD_CONTROL_SM_BIT)
#define LCD_CONTROL_SM_270 (3 << LCD_CONTROL_SM_BIT)
#define LCD_CONTROL_DB (1<<12)
#define LCD_CONTROL_CCO (1<<11)
#define LCD_CONTROL_DP (1<<10)
#define LCD_CONTROL_PO_BIT 8
#define LCD_CONTROL_PO_MASK (0x3 << LCD_CONTROL_PO_BIT)
#define LCD_CONTROL_PO_00 (0 << LCD_CONTROL_PO_BIT)
#define LCD_CONTROL_PO_01 (1 << LCD_CONTROL_PO_BIT)
#define LCD_CONTROL_PO_10 (2 << LCD_CONTROL_PO_BIT)
#define LCD_CONTROL_PO_11 (3 << LCD_CONTROL_PO_BIT)
#define LCD_CONTROL_MPI (1<<7)
#define LCD_CONTROL_PT (1<<6)
#define LCD_CONTROL_PC (1<<5)
#define LCD_CONTROL_BPP_BIT 1
#define LCD_CONTROL_BPP_MASK (0x7 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_1 (0 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_2 (1 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_4 (2 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_8 (3 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_12 (4 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_BPP_16 (5 << LCD_CONTROL_BPP_BIT)
#define LCD_CONTROL_GO (1<<0)
#define LCD_INTSTATUS (AU1100_LCD_BASE + 0x4)
#define LCD_INTENABLE (AU1100_LCD_BASE + 0x8)
#define LCD_INT_SD (1<<7)
#define LCD_INT_OF (1<<6)
#define LCD_INT_UF (1<<5)
#define LCD_INT_SA (1<<3)
#define LCD_INT_SS (1<<2)
#define LCD_INT_S1 (1<<1)
#define LCD_INT_S0 (1<<0)
#define LCD_HORZTIMING (AU1100_LCD_BASE + 0xC)
#define LCD_HORZTIMING_HN2_BIT 24
#define LCD_HORZTIMING_HN2_MASK (0xFF << LCD_HORZTIMING_HN2_BIT)
#define LCD_HORZTIMING_HN2_N(N) ((((N)-1) << LCD_HORZTIMING_HN2_BIT) & LCD_HORZTIMING_HN2_MASK)
#define LCD_HORZTIMING_HN1_BIT 16
#define LCD_HORZTIMING_HN1_MASK (0xFF << LCD_HORZTIMING_HN1_BIT)
#define LCD_HORZTIMING_HN1_N(N) ((((N)-1) << LCD_HORZTIMING_HN1_BIT) & LCD_HORZTIMING_HN1_MASK)
#define LCD_HORZTIMING_HPW_BIT 10
#define LCD_HORZTIMING_HPW_MASK (0x3F << LCD_HORZTIMING_HPW_BIT)
#define LCD_HORZTIMING_HPW_N(N) ((((N)-1) << LCD_HORZTIMING_HPW_BIT) & LCD_HORZTIMING_HPW_MASK)
#define LCD_HORZTIMING_PPL_BIT 0
#define LCD_HORZTIMING_PPL_MASK (0x3FF << LCD_HORZTIMING_PPL_BIT)
#define LCD_HORZTIMING_PPL_N(N) ((((N)-1) << LCD_HORZTIMING_PPL_BIT) & LCD_HORZTIMING_PPL_MASK)
#define LCD_VERTTIMING (AU1100_LCD_BASE + 0x10)
#define LCD_VERTTIMING_VN2_BIT 24
#define LCD_VERTTIMING_VN2_MASK (0xFF << LCD_VERTTIMING_VN2_BIT)
#define LCD_VERTTIMING_VN2_N(N) ((((N)-1) << LCD_VERTTIMING_VN2_BIT) & LCD_VERTTIMING_VN2_MASK)
#define LCD_VERTTIMING_VN1_BIT 16
#define LCD_VERTTIMING_VN1_MASK (0xFF << LCD_VERTTIMING_VN1_BIT)
#define LCD_VERTTIMING_VN1_N(N) ((((N)-1) << LCD_VERTTIMING_VN1_BIT) & LCD_VERTTIMING_VN1_MASK)
#define LCD_VERTTIMING_VPW_BIT 10
#define LCD_VERTTIMING_VPW_MASK (0x3F << LCD_VERTTIMING_VPW_BIT)
#define LCD_VERTTIMING_VPW_N(N) ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK)
#define LCD_VERTTIMING_LPP_BIT 0
#define LCD_VERTTIMING_LPP_MASK (0x3FF << LCD_VERTTIMING_LPP_BIT)
#define LCD_VERTTIMING_LPP_N(N) ((((N)-1) << LCD_VERTTIMING_LPP_BIT) & LCD_VERTTIMING_LPP_MASK)
#define LCD_CLKCONTROL (AU1100_LCD_BASE + 0x14)
#define LCD_CLKCONTROL_IB (1<<18)
#define LCD_CLKCONTROL_IC (1<<17)
#define LCD_CLKCONTROL_IH (1<<16)
#define LCD_CLKCONTROL_IV (1<<15)
#define LCD_CLKCONTROL_BF_BIT 10
#define LCD_CLKCONTROL_BF_MASK (0x1F << LCD_CLKCONTROL_BF_BIT)
#define LCD_CLKCONTROL_BF_N(N) ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)
#define LCD_CLKCONTROL_PCD_BIT 0
#define LCD_CLKCONTROL_PCD_MASK (0x3FF << LCD_CLKCONTROL_PCD_BIT)
#define LCD_CLKCONTROL_PCD_N(N) (((N) << LCD_CLKCONTROL_PCD_BIT) & LCD_CLKCONTROL_PCD_MASK)
#define LCD_DMAADDR0 (AU1100_LCD_BASE + 0x18)
#define LCD_DMAADDR1 (AU1100_LCD_BASE + 0x1C)
#define LCD_DMA_SA_BIT 5
#define LCD_DMA_SA_MASK (0x7FFFFFF << LCD_DMA_SA_BIT)
#define LCD_DMA_SA_N(N) ((N) & LCD_DMA_SA_MASK)
#define LCD_WORDS (AU1100_LCD_BASE + 0x20)
#define LCD_WRD_WRDS_BIT 0
#define LCD_WRD_WRDS_MASK (0xFFFFFFFF << LCD_WRD_WRDS_BIT)
#define LCD_WRD_WRDS_N(N) ((((N)-1) << LCD_WRD_WRDS_BIT) & LCD_WRD_WRDS_MASK)
#define LCD_PWMDIV (AU1100_LCD_BASE + 0x24)
#define LCD_PWMDIV_EN (1<<12)
#define LCD_PWMDIV_PWMDIV_BIT 0
#define LCD_PWMDIV_PWMDIV_MASK (0xFFF << LCD_PWMDIV_PWMDIV_BIT)
#define LCD_PWMDIV_PWMDIV_N(N) ((((N)-1) << LCD_PWMDIV_PWMDIV_BIT) & LCD_PWMDIV_PWMDIV_MASK)
#define LCD_PWMHI (AU1100_LCD_BASE + 0x28)
#define LCD_PWMHI_PWMHI1_BIT 12
#define LCD_PWMHI_PWMHI1_MASK (0xFFF << LCD_PWMHI_PWMHI1_BIT)
#define LCD_PWMHI_PWMHI1_N(N) (((N) << LCD_PWMHI_PWMHI1_BIT) & LCD_PWMHI_PWMHI1_MASK)
#define LCD_PWMHI_PWMHI0_BIT 0
#define LCD_PWMHI_PWMHI0_MASK (0xFFF << LCD_PWMHI_PWMHI0_BIT)
#define LCD_PWMHI_PWMHI0_N(N) (((N) << LCD_PWMHI_PWMHI0_BIT) & LCD_PWMHI_PWMHI0_MASK)
#define LCD_PALLETTEBASE (AU1100_LCD_BASE + 0x400)
#define LCD_PALLETTE_MONO_MI_BIT 0
#define LCD_PALLETTE_MONO_MI_MASK (0xF << LCD_PALLETTE_MONO_MI_BIT)
#define LCD_PALLETTE_MONO_MI_N(N) (((N)<< LCD_PALLETTE_MONO_MI_BIT) & LCD_PALLETTE_MONO_MI_MASK)
#define LCD_PALLETTE_COLOR_RI_BIT 8
#define LCD_PALLETTE_COLOR_RI_MASK (0xF << LCD_PALLETTE_COLOR_RI_BIT)
#define LCD_PALLETTE_COLOR_RI_N(N) (((N)<< LCD_PALLETTE_COLOR_RI_BIT) & LCD_PALLETTE_COLOR_RI_MASK)
#define LCD_PALLETTE_COLOR_GI_BIT 4
#define LCD_PALLETTE_COLOR_GI_MASK (0xF << LCD_PALLETTE_COLOR_GI_BIT)
#define LCD_PALLETTE_COLOR_GI_N(N) (((N)<< LCD_PALLETTE_COLOR_GI_BIT) & LCD_PALLETTE_COLOR_GI_MASK)
#define LCD_PALLETTE_COLOR_BI_BIT 0
#define LCD_PALLETTE_COLOR_BI_MASK (0xF << LCD_PALLETTE_COLOR_BI_BIT)
#define LCD_PALLETTE_COLOR_BI_N(N) (((N)<< LCD_PALLETTE_COLOR_BI_BIT) & LCD_PALLETTE_COLOR_BI_MASK)
#define LCD_PALLETTE_TFT_DC_BIT 0
#define LCD_PALLETTE_TFT_DC_MASK (0xFFFF << LCD_PALLETTE_TFT_DC_BIT)
#define LCD_PALLETTE_TFT_DC_N(N) (((N)<< LCD_PALLETTE_TFT_DC_BIT) & LCD_PALLETTE_TFT_DC_MASK)
/********************************************************************/
/* List of panels known to work with the AU1100 LCD controller.
* To add a new panel, enter the same specifications as the
* Generic_TFT one, and MAKE SURE that it doesn't conflicts
* with the controller restrictions. Restrictions are:
*
* STN color panels: max_bpp <= 12
* STN mono panels: max_bpp <= 4
* TFT panels: max_bpp <= 16
* max_xres <= 800
* max_yres <= 600
*/
struct known_lcd_panels panels[] =
static struct au1100fb_panel known_lcd_panels[] =
{
{ /* 0: Pb1100 LCDA: Sharp 320x240 TFT panel */
320, /* xres */
240, /* yres */
16, /* bpp */
"Sharp_320x240_16",
/* mode_control */
/* 800x600x16bpp CRT */
[0] = {
.name = "CRT_800x600_16",
.xres = 800,
.yres = 600,
.bpp = 16,
.control_base = 0x0004886A |
LCD_CONTROL_DEFAULT_PO | LCD_CONTROL_DEFAULT_SBPPF |
LCD_CONTROL_BPP_16,
.clkcontrol_base = 0x00020000,
.horztiming = 0x005aff1f,
.verttiming = 0x16000e57,
},
/* just the standard LCD */
[1] = {
.name = "WWPC LCD",
.xres = 240,
.yres = 320,
.bpp = 16,
.control_base = 0x0006806A,
.horztiming = 0x0A1010EF,
.verttiming = 0x0301013F,
.clkcontrol_base = 0x00018001,
},
/* Sharp 320x240 TFT panel */
[2] = {
.name = "Sharp_LQ038Q5DR01",
.xres = 320,
.yres = 240,
.bpp = 16,
.control_base =
( LCD_CONTROL_SBPPF_565
/*LCD_CONTROL_WP*/
/*LCD_CONTROL_WD*/
| LCD_CONTROL_C
| LCD_CONTROL_SM_0
/*LCD_CONTROL_DB*/
/*LCD_CONTROL_CCO*/
/*LCD_CONTROL_DP*/
| LCD_DEFAULT_PIX_FORMAT
/*LCD_CONTROL_MPI*/
| LCD_CONTROL_DEFAULT_PO
| LCD_CONTROL_PT
| LCD_CONTROL_PC
| LCD_CONTROL_BPP_16 ),
/* mode_horztiming */
.horztiming =
( LCD_HORZTIMING_HN2_N(8)
| LCD_HORZTIMING_HN1_N(60)
| LCD_HORZTIMING_HPW_N(12)
| LCD_HORZTIMING_PPL_N(320) ),
/* mode_verttiming */
.verttiming =
( LCD_VERTTIMING_VN2_N(5)
| LCD_VERTTIMING_VN1_N(17)
| LCD_VERTTIMING_VPW_N(1)
| LCD_VERTTIMING_LPP_N(240) ),
/* mode_clkcontrol */
( 0
/*LCD_CLKCONTROL_IB*/
/*LCD_CLKCONTROL_IC*/
/*LCD_CLKCONTROL_IH*/
/*LCD_CLKCONTROL_IV*/
| LCD_CLKCONTROL_PCD_N(1) ),
/* mode_pwmdiv */
0,
/* mode_pwmhi */
0,
/* mode_toyclksrc */
((1<<7) | (1<<6) | (1<<5)),
/* mode_backlight */
6
.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
},
{ /* 1: Pb1100 LCDC 640x480 TFT panel */
640, /* xres */
480, /* yres */
16, /* bpp */
"Generic_640x480_16",
/* mode_control */
0x004806a | LCD_DEFAULT_PIX_FORMAT,
/* mode_horztiming */
0x3434d67f,
/* mode_verttiming */
0x0e0e39df,
/* mode_clkcontrol */
( 0
/*LCD_CLKCONTROL_IB*/
/*LCD_CLKCONTROL_IC*/
/*LCD_CLKCONTROL_IH*/
/*LCD_CLKCONTROL_IV*/
| LCD_CLKCONTROL_PCD_N(1) ),
/* mode_pwmdiv */
0,
/* mode_pwmhi */
0,
/* mode_toyclksrc */
((1<<7) | (1<<6) | (0<<5)),
/* mode_backlight */
7
/* Hitachi SP14Q005 and possibly others */
[3] = {
.name = "Hitachi_SP14Qxxx",
.xres = 320,
.yres = 240,
.bpp = 4,
.control_base =
( LCD_CONTROL_C
| LCD_CONTROL_BPP_4 ),
.horztiming =
( LCD_HORZTIMING_HN2_N(1)
| LCD_HORZTIMING_HN1_N(1)
| LCD_HORZTIMING_HPW_N(1)
| LCD_HORZTIMING_PPL_N(320) ),
.verttiming =
( LCD_VERTTIMING_VN2_N(1)
| LCD_VERTTIMING_VN1_N(1)
| LCD_VERTTIMING_VPW_N(1)
| LCD_VERTTIMING_LPP_N(240) ),
.clkcontrol_base = LCD_CLKCONTROL_PCD_N(4),
},
{ /* 2: Pb1100 LCDB 640x480 PrimeView TFT panel */
640, /* xres */
480, /* yres */
16, /* bpp */
"PrimeView_640x480_16",
/* mode_control */
0x0004886a | LCD_DEFAULT_PIX_FORMAT,
/* mode_horztiming */
0x0e4bfe7f,
/* mode_verttiming */
0x210805df,
/* mode_clkcontrol */
0x00038001,
/* mode_pwmdiv */
0,
/* mode_pwmhi */
0,
/* mode_toyclksrc */
((1<<7) | (1<<6) | (0<<5)),
/* mode_backlight */
7
/* Generic 640x480 TFT panel */
[4] = {
.name = "TFT_640x480_16",
.xres = 640,
.yres = 480,
.bpp = 16,
.control_base = 0x004806a | LCD_CONTROL_DEFAULT_PO,
.horztiming = 0x3434d67f,
.verttiming = 0x0e0e39df,
.clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
},
{ /* 3: Pb1100 800x600x16bpp NEON CRT */
800, /* xres */
600, /* yres */
16, /* bpp */
"NEON_800x600_16",
/* mode_control */
0x0004886A | LCD_DEFAULT_PIX_FORMAT,
/* mode_horztiming */
0x005AFF1F,
/* mode_verttiming */
0x16000E57,
/* mode_clkcontrol */
0x00020000,
/* mode_pwmdiv */
0,
/* mode_pwmhi */
0,
/* mode_toyclksrc */
((1<<7) | (1<<6) | (0<<5)),
/* mode_backlight */
7
/* Pb1100 LCDB 640x480 PrimeView TFT panel */
[5] = {
.name = "PrimeView_640x480_16",
.xres = 640,
.yres = 480,
.bpp = 16,
.control_base = 0x0004886a | LCD_CONTROL_DEFAULT_PO,
.horztiming = 0x0e4bfe7f,
.verttiming = 0x210805df,
.clkcontrol_base = 0x00038001,
},
};
{ /* 4: Pb1100 640x480x16bpp NEON CRT */
640, /* xres */
480, /* yres */
16, /* bpp */
"NEON_640x480_16",
/* mode_control */
0x0004886A | LCD_DEFAULT_PIX_FORMAT,
/* mode_horztiming */
0x0052E27F,
/* mode_verttiming */
0x18000DDF,
/* mode_clkcontrol */
0x00020000,
struct au1100fb_drv_info {
int panel_idx;
char *opt_mode;
};
/* mode_pwmdiv */
0,
/********************************************************************/
/* mode_pwmhi */
0,
/* Inline helpers */
/* mode_toyclksrc */
((1<<7) | (1<<6) | (0<<5)),
#define panel_is_dual(panel) (panel->control_base & LCD_CONTROL_DP)
#define panel_is_active(panel)(panel->control_base & LCD_CONTROL_PT)
#define panel_is_color(panel) (panel->control_base & LCD_CONTROL_PC)
#define panel_swap_rgb(panel) (panel->control_base & LCD_CONTROL_CCO)
/* mode_backlight */
7
},
};
#endif /* _AU1100LCD_H */
......@@ -1647,6 +1647,12 @@ extern au1xxx_irq_map_t au1xxx_irq_map[];
#define SYS_CS_MI2_MASK (0x7<<SYS_CS_MI2_BIT)
#define SYS_CS_DI2 (1<<16)
#define SYS_CS_CI2 (1<<15)
#ifdef CONFIG_SOC_AU1100
#define SYS_CS_ML_BIT 7
#define SYS_CS_ML_MASK (0x7<<SYS_CS_ML_BIT)
#define SYS_CS_DL (1<<6)
#define SYS_CS_CL (1<<5)
#else
#define SYS_CS_MUH_BIT 12
#define SYS_CS_MUH_MASK (0x7<<SYS_CS_MUH_BIT)
#define SYS_CS_DUH (1<<11)
......@@ -1655,6 +1661,7 @@ extern au1xxx_irq_map_t au1xxx_irq_map[];
#define SYS_CS_MUD_MASK (0x7<<SYS_CS_MUD_BIT)
#define SYS_CS_DUD (1<<6)
#define SYS_CS_CUD (1<<5)
#endif
#define SYS_CS_MIR_BIT 2
#define SYS_CS_MIR_MASK (0x7<<SYS_CS_MIR_BIT)
#define SYS_CS_DIR (1<<1)
......
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