diff options
| -rw-r--r-- | arch/mips/config.in | 9 | ||||
| -rw-r--r-- | arch/mips/defconfig | 2 | ||||
| -rw-r--r-- | arch/mips/defconfig-ddb5476 | 2 | ||||
| -rw-r--r-- | arch/mips/defconfig-ip22 | 2 | ||||
| -rw-r--r-- | arch/mips/defconfig-rm200 | 2 | ||||
| -rw-r--r-- | drivers/video/Config.in | 18 | ||||
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/fbmem.c | 4 | ||||
| -rw-r--r-- | drivers/video/tx3912fb.c | 527 | ||||
| -rw-r--r-- | drivers/video/tx3912fb.h | 128 |
10 files changed, 682 insertions, 13 deletions
diff --git a/arch/mips/config.in b/arch/mips/config.in index 1c8b34e0f..566c5990c 100644 --- a/arch/mips/config.in +++ b/arch/mips/config.in @@ -429,13 +429,12 @@ source fs/Config.in if [ "$CONFIG_VT" = "y" ]; then mainmenu_option next_comment - comment 'Console drivers' - if [ "$CONFIG_DECSTATION" != "y" ]; then - bool 'VGA text console' CONFIG_VGA_CONSOLE - fi - bool 'Support for frame buffer devices' CONFIG_FB + bool 'VGA text console' CONFIG_VGA_CONSOLE + if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + tristate 'MDA text console (dual-headed) (EXPERIMENTAL)' CONFIG_MDA_CONSOLE source drivers/video/Config.in + fi endmenu fi diff --git a/arch/mips/defconfig b/arch/mips/defconfig index 7a46c4a4f..76a818766 100644 --- a/arch/mips/defconfig +++ b/arch/mips/defconfig @@ -413,7 +413,7 @@ CONFIG_SGI_PARTITION=y # Console drivers # # CONFIG_VGA_CONSOLE is not set -# CONFIG_FB is not set +# CONFIG_MDA_CONSOLE is not set # # Frame-buffer support diff --git a/arch/mips/defconfig-ddb5476 b/arch/mips/defconfig-ddb5476 index f4d7d359d..381e1871d 100644 --- a/arch/mips/defconfig-ddb5476 +++ b/arch/mips/defconfig-ddb5476 @@ -501,7 +501,7 @@ CONFIG_MSDOS_PARTITION=y # Console drivers # # CONFIG_VGA_CONSOLE is not set -CONFIG_FB=y +# CONFIG_MDA_CONSOLE is not set # # Frame-buffer support diff --git a/arch/mips/defconfig-ip22 b/arch/mips/defconfig-ip22 index 7a46c4a4f..76a818766 100644 --- a/arch/mips/defconfig-ip22 +++ b/arch/mips/defconfig-ip22 @@ -413,7 +413,7 @@ CONFIG_SGI_PARTITION=y # Console drivers # # CONFIG_VGA_CONSOLE is not set -# CONFIG_FB is not set +# CONFIG_MDA_CONSOLE is not set # # Frame-buffer support diff --git a/arch/mips/defconfig-rm200 b/arch/mips/defconfig-rm200 index d5d46e8f6..d20733716 100644 --- a/arch/mips/defconfig-rm200 +++ b/arch/mips/defconfig-rm200 @@ -363,7 +363,7 @@ CONFIG_SGI_PARTITION=y # Console drivers # CONFIG_VGA_CONSOLE=y -# CONFIG_FB is not set +# CONFIG_MDA_CONSOLE is not set # # Frame-buffer support diff --git a/drivers/video/Config.in b/drivers/video/Config.in index 95ff6ecfe..2f0533412 100644 --- a/drivers/video/Config.in +++ b/drivers/video/Config.in @@ -163,6 +163,9 @@ if [ "$CONFIG_FB" = "y" ]; then bool ' Maxine (Personal DECstation) onboard framebuffer spport' CONFIG_FB_MAXINE fi fi + if [ "$CONFIG_NINO" = "y" ]; then + bool ' TMPTX3912/PR31700 frame buffer support' CONFIG_FB_TX3912 + fi if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then tristate ' Virtual Frame Buffer support (ONLY FOR TESTING!)' CONFIG_FB_VIRTUAL fi @@ -192,24 +195,28 @@ if [ "$CONFIG_FB" = "y" ]; then "$CONFIG_FB_ATARI" = "y" -o "$CONFIG_FB_CYBER" = "y" -o \ "$CONFIG_FB_MAC" = "y" -o "$CONFIG_FB_RETINAZ3" = "y" -o \ "$CONFIG_FB_VIRGE" = "y" -o "$CONFIG_FB_VIRTUAL" = "y" -o \ - "$CONFIG_FB_BWTWO" = "y" -o "$CONFIG_FB_CLGEN" = "y" ]; then + "$CONFIG_FB_BWTWO" = "y" -o "$CONFIG_FB_CLGEN" = "y" -o \ + "$CONFIG_FB_TX3912" = "y" ]; then define_tristate CONFIG_FBCON_MFB y else if [ "$CONFIG_FB_ACORN" = "m" -o "$CONFIG_FB_AMIGA" = "m" -o \ "$CONFIG_FB_ATARI" = "m" -o "$CONFIG_FB_CYBER" = "m" -o \ "$CONFIG_FB_MAC" = "m" -o "$CONFIG_FB_RETINAZ3" = "m" -o \ "$CONFIG_FB_VIRGE" = "m" -o "$CONFIG_FB_VIRTUAL" = "m" -o \ - "$CONFIG_FB_BWTWO" = "m" -o "$CONFIG_FB_CLGEN" = "m" ]; then + "$CONFIG_FB_BWTWO" = "m" -o "$CONFIG_FB_CLGEN" = "m" -o \ + "$CONFIG_FB_TX3912" = "m" ]; then define_tristate CONFIG_FBCON_MFB m fi fi if [ "$CONFIG_FB_ACORN" = "y" -o "$CONFIG_FB_MAC" = "y" -o \ - "$CONFIG_FB_SA1100" = "y" -o "$CONFIG_FB_VIRTUAL" = "y" ]; then + "$CONFIG_FB_SA1100" = "y" -o "$CONFIG_FB_VIRTUAL" = "y" -o \ + "$CONFIG_FB_TX3912" = "y" ]; then define_tristate CONFIG_FBCON_CFB2 y define_tristate CONFIG_FBCON_CFB4 y else if [ "$CONFIG_FB_ACORN" = "m" -o "$CONFIG_FB_MAC" = "m" -o \ - "$CONFIG_FB_SA1100" = "m" -o "$CONFIG_FB_VIRTUAL" = "m" ]; then + "$CONFIG_FB_SA1100" = "m" -o "$CONFIG_FB_VIRTUAL" = "m" -o \ + "$CONFIG_FB_TX3912" = "m" ]; then define_tristate CONFIG_FBCON_CFB2 m define_tristate CONFIG_FBCON_CFB4 m fi @@ -231,6 +238,7 @@ if [ "$CONFIG_FB" = "y" ]; then "$CONFIG_FB_SA1100" = "y" -o "$CONFIG_FB_3DFX" = "y" -o \ "$CONFIG_FB_PMAG_BA" = "y" -o "$CONFIG_FB_PMAGB_B" = "y" -o \ "$CONFIG_FB_MAXINE" = "y" -o \ + "$CONFIG_FB_TX3912" = "y" -o \ "$CONFIG_FB_SIS" = "y" ]; then define_tristate CONFIG_FBCON_CFB8 y else @@ -250,6 +258,7 @@ if [ "$CONFIG_FB" = "y" ]; then "$CONFIG_FB_SGIVW" = "m" -o "$CONFIG_FB_CYBER2000" = "m" -o \ "$CONFIG_FB_PMAG_BA" = "m" -o "CONFIG_FB_PMAGB_B" = "m" -o \ "$CONFIG_FB_MAXINE" = "m" -o \ + "$CONFIG_FB_TX3912" = "m" -o \ "$CONFIG_FB_SA1100" = "m" -o "$CONFIG_FB_SIS" = "m" ]; then define_tristate CONFIG_FBCON_CFB8 m fi @@ -408,4 +417,5 @@ if [ "$CONFIG_FB" = "y" ]; then fi fi fi + endmenu diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 38403b55a..b32670753 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -81,6 +81,7 @@ obj-$(CONFIG_FB_LEO) += leofb.o sbusfb.o obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o obj-$(CONFIG_FB_MAXINE) += maxinefb.o +obj-$(CONFIG_FB_TX3912) += tx3912fb.o subdir-$(CONFIG_FB_MATROX) += matrox diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index ce0f0aae1..344d439bd 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -121,6 +121,7 @@ extern int pmagbbfb_init(void); extern int pmagbbfb_setup(char *options, int *ints); extern void maxinefb_init(void); extern void maxinefb_setup(char *options, int *ints); +extern int tx3912fb_init(void); static struct { const char *name; @@ -262,6 +263,9 @@ static struct { #ifdef CONFIG_FB_HIT { "hitfb", hitfb_init, NULL }, #endif +#ifdef CONFIG_FB_TX3912 + { "tx3912", tx3912fb_init, NULL }, +#endif /* * Generic drivers that don't use resource management (yet) diff --git a/drivers/video/tx3912fb.c b/drivers/video/tx3912fb.c new file mode 100644 index 000000000..1686852b3 --- /dev/null +++ b/drivers/video/tx3912fb.c @@ -0,0 +1,527 @@ +/* + * linux/drivers/video/tx3912fb.c + * + * Copyright (C) 1999 Harald Koerfgen + * Copyright (C) 2001 Steven Hill (sjhill@realitydiluted.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Framebuffer for LCD controller in TMPR3912/05 and PR31700 processors + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/tty.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/pm.h> +#include <linux/fb.h> +#include <asm/bootinfo.h> +#include <asm/uaccess.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 "tx3912fb.h" + +/* + * Frame buffer, palette and console structures + */ +static struct fb_info fb_info; +static struct { u_char red, green, blue, pad; } palette[256]; +static struct display global_disp; +static int currcon = 0; + +/* + * Interface used by the world + */ +static int tx3912fb_get_fix(struct fb_fix_screeninfo *fix, int con, + struct fb_info *info); +static int tx3912fb_get_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info); +static int tx3912fb_set_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info); +static int tx3912fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, + struct fb_info *info); +static int tx3912fb_set_cmap(struct fb_cmap *cmap, int kspc, int con, + struct fb_info *info); +static int tx3912fb_ioctl(struct inode *inode, struct file *file, u_int cmd, + u_long arg, int con, struct fb_info *info); + +/* + * Interface used by console driver + */ +int tx3912fb_init(void); +static int tx3912fbcon_switch(int con, struct fb_info *info); +static int tx3912fbcon_updatevar(int con, struct fb_info *info); +static void tx3912fbcon_blank(int blank, struct fb_info *info); + +/* + * Macros + */ +#define get_line_length(xres_virtual, bpp) \ + (u_long) (((int) xres_virtual * (int) bpp + 7) >> 3) + +/* + * Internal routines + */ +static int tx3912fb_getcolreg(u_int regno, u_int *red, u_int *green, + u_int *blue, u_int *transp, struct fb_info *info); +static int tx3912fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info); +static void tx3912fb_install_cmap(int con, struct fb_info *info); + + +/* + * Frame buffer operations structure used by console driver + */ +static struct fb_ops tx3912fb_ops = { + owner: THIS_MODULE, + fb_get_fix: tx3912fb_get_fix, + fb_get_var: tx3912fb_get_var, + fb_set_var: tx3912fb_set_var, + fb_get_cmap: tx3912fb_get_cmap, + fb_set_cmap: tx3912fb_set_cmap, + fb_ioctl: tx3912fb_ioctl, +}; + + +/* + * Get fixed display data + */ +static int tx3912fb_get_fix(struct fb_fix_screeninfo *fix, int con, + struct fb_info *info) +{ + struct display *display; + + memset(fix, 0, sizeof(struct fb_fix_screeninfo)); + strcpy(fix->id, TX3912FB_NAME); + + if (con == -1) + display = &global_disp; + else + display = &fb_display[con]; + + fix->smem_start = tx3912fb_vaddr; + fix->smem_len = tx3912fb_size; + fix->type = display->type; + fix->type_aux = display->type_aux; + fix->xpanstep = 0; + fix->ypanstep = display->ypanstep; + fix->ywrapstep = display->ywrapstep; + fix->visual = display->visual; + fix->line_length = display->line_length; + fix->accel = FB_ACCEL_NONE; + + return 0; +} + +/* + * Get user display data + */ +static int tx3912fb_get_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info) +{ + if (con == -1) + *var = tx3912fb_info; + else + *var = fb_display[con].var; + + return 0; +} + +/* + * Set user display data + */ +static int tx3912fb_set_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info) +{ + int err, activate = var->activate; + int oldxres, oldyres, oldvxres, oldvyres, oldbpp; + u_long line_length; + struct display *display; + + if (con == -1) + display = &global_disp; + else + display = &fb_display[con]; + + /* + * FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal + * as FB_VMODE_SMOOTH_XPAN is only used internally + */ + if (var->vmode & FB_VMODE_CONUPDATE) { + var->xoffset = display->var.xoffset; + var->yoffset = display->var.yoffset; + var->vmode |= FB_VMODE_YWRAP; + } + + /* + * Make sure values are in range + */ + if (!var->xres) + var->xres = 1; + if (!var->yres) + var->yres = 1; + if (var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + if (var->yres > var->yres_virtual) + var->yres_virtual = var->yres; + if (var->bits_per_pixel <= 1) + var->bits_per_pixel = 1; + else if (var->bits_per_pixel <= 2) + var->bits_per_pixel = 2; + else if (var->bits_per_pixel <= 4) + var->bits_per_pixel = 4; + else if (var->bits_per_pixel <= 8) + var->bits_per_pixel = 8; + else + return -EINVAL; + + /* + * Memory limit + */ + line_length = get_line_length(var->xres_virtual, var->bits_per_pixel); + if ((line_length * var->yres_virtual) > tx3912fb_size) + return -ENOMEM; + + /* + * This is only for color and we only support 8-bit color + */ + if (var->bits_per_pixel) { + /* RGB 332 */ + var->red.offset = 5; + var->red.length = 3; + var->green.offset = 2; + var->green.length = 3; + var->blue.offset = 0; + var->blue.length = 2; + var->transp.offset = 0; + var->transp.length = 0; + } + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + var->transp.msb_right = 0; + + /* + * Make changes if necessary + */ + if ((activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) { + + oldxres = display->var.xres; + oldyres = display->var.yres; + oldvxres = display->var.xres_virtual; + oldvyres = display->var.yres_virtual; + oldbpp = display->var.bits_per_pixel; + display->var = *var; + + if (oldxres != var->xres || oldyres != var->yres || + oldvxres != var->xres_virtual || + oldvyres != var->yres_virtual || + oldbpp != var->bits_per_pixel) { + + display->screen_base = (u_char *) tx3912fb_vaddr; + + switch (var->bits_per_pixel) { + case 1: + display->visual = FB_VISUAL_MONO10; + break; + case 2: + display->visual = FB_VISUAL_PSEUDOCOLOR; + case 4: + case 8: + display->visual = FB_VISUAL_TRUECOLOR; + break; + } + + display->type = FB_TYPE_PACKED_PIXELS; + display->type_aux = 0; + display->ypanstep = 0; + display->ywrapstep = 0; + display->next_line = + display->line_length = + get_line_length(var->xres_virtual, + var->bits_per_pixel); + display->can_soft_blank = 0; + display->inverse = FB_IS_INVERSE; + + switch (var->bits_per_pixel) { +#ifdef CONFIG_FBCON_MFB + case 1: + display->dispsw = &fbcon_mfb; + break; +#endif +#ifdef CONFIG_FBCON_CFB2 + case 2: + display->dispsw = &fbcon_cfb2; + break; +#endif +#ifdef CONFIG_FBCON_CFB4 + case 4: + display->dispsw = &fbcon_cfb4; + break; +#endif +#ifdef CONFIG_FBCON_CFB8 + case 8: + display->dispsw = &fbcon_cfb8; + display->dispsw_data = fbcon_cmap.cfb8; + break; +#endif + default: + display->dispsw = &fbcon_dummy; + break; + } + + if (fb_info.changevar) + (*fb_info.changevar)(con); + } + + if (oldbpp != var->bits_per_pixel) { + if ((err = fb_alloc_cmap(&display->cmap, 0, 0))) + return err; + tx3912fb_install_cmap(con, info); + } + } + + return 0; +} + +/* + * Get the colormap + */ +static int tx3912fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, + struct fb_info *info) +{ + if (con == currcon) + return fb_get_cmap(cmap, kspc, tx3912fb_getcolreg, info); + else if (fb_display[con].cmap.len) /* non default colormap? */ + fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2); + else + fb_copy_cmap(fb_default_cmap(1<<fb_display[con].var.bits_per_pixel), cmap, kspc ? 0 : 2); + + return 0; +} + +/* + * Set the Colormap + */ +static int tx3912fb_set_cmap(struct fb_cmap *cmap, int kspc, int con, + struct fb_info *info) +{ + int err; + + if (!fb_display[con].cmap.len) + if ((err = fb_alloc_cmap(&fb_display[con].cmap, + 1<<fb_display[con].var.bits_per_pixel, 0))) + return err; + + if (con == currcon) + return fb_set_cmap(cmap, kspc, tx3912fb_setcolreg, info); + else + fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1); + + return 0; +} + +/* + * Framebuffer ioctl + */ +static int tx3912fb_ioctl(struct inode *inode, struct file *file, u_int cmd, + u_long arg, int con, struct fb_info *info) +{ + return -EINVAL; +} + +/* + * Initialization of the framebuffer + */ +int __init tx3912fb_init(void) +{ + /* Stop the video logic when frame completes */ + VidCtrl1 |= ENFREEZEFRAME; + IntClear1 |= INT1_LCDINT; + while (!(IntStatus1 & INT1_LCDINT)); + + /* Disable the video logic */ + VidCtrl1 &= ~(ENVID | DISPON); + udelay(200); + + /* Set start address for DMA transfer */ + VidCtrl3 = tx3912fb_paddr & + (TX3912_VIDCTRL3_VIDBANK_MASK | TX3912_VIDCTRL3_VIDBASEHI_MASK); + + /* Set end address for DMA transfer */ + VidCtrl4 = (tx3912fb_paddr + tx3912fb_size + 1) & + TX3912_VIDCTRL4_VIDBASELO_MASK; + + /* Set the pixel depth */ + switch (tx3912fb_info.bits_per_pixel) { + case 1: + /* Monochrome */ + VidCtrl1 &= ~TX3912_VIDCTRL1_BITSEL_MASK; + break; + case 4: + /* 4-bit gray */ + VidCtrl1 &= ~TX3912_VIDCTRL1_BITSEL_MASK; + VidCtrl1 |= TX3912_VIDCTRL1_4BIT_GRAY; + break; + case 8: + /* 8-bit color */ + VidCtrl1 &= ~TX3912_VIDCTRL1_BITSEL_MASK; + VidCtrl1 |= TX3912_VIDCTRL1_8BIT_COLOR; + break; + case 2: + default: + /* 2-bit gray */ + VidCtrl1 &= ~TX3912_VIDCTRL1_BITSEL_MASK; + VidCtrl1 |= TX3912_VIDCTRL1_2BIT_GRAY; + break; + } + + /* Unfreeze video logic and enable DF toggle */ + VidCtrl1 &= ~(ENFREEZEFRAME | DFMODE); + udelay(200); + + /* Clear the framebuffer */ + memset((void *) tx3912fb_vaddr, 0xff, tx3912fb_size); + udelay(200); + + /* Enable the video logic */ + VidCtrl1 |= (DISPON | ENVID); + + strcpy(fb_info.modename, TX3912FB_NAME); + fb_info.changevar = NULL; + fb_info.node = -1; + fb_info.fbops = &tx3912fb_ops; + fb_info.disp = &global_disp; + fb_info.switch_con = &tx3912fbcon_switch; + fb_info.updatevar = &tx3912fbcon_updatevar; + fb_info.blank = &tx3912fbcon_blank; + fb_info.flags = FBINFO_FLAG_DEFAULT; + + tx3912fb_set_var(&tx3912fb_info, -1, &fb_info); + + if (register_framebuffer(&fb_info) < 0) + return -1; + + printk (KERN_INFO "fb%d: TX3912 frame buffer using %uKB.\n", + GET_FB_IDX(fb_info.node), (u_int) (tx3912fb_size >> 10)); + + return 0; +} + +/* + * Switch the console to be the framebuffer + */ +static int tx3912fbcon_switch(int con, struct fb_info *info) +{ + /* Save off the color map if needed */ + if (fb_display[currcon].cmap.len) + fb_get_cmap(&fb_display[currcon].cmap, 1, + tx3912fb_getcolreg, info); + + /* Make the switch */ + currcon = con; + + /* Install new colormap */ + tx3912fb_install_cmap(con, info); + + return 0; +} + +/* + * Update variable structure + */ +static int tx3912fbcon_updatevar(int con, struct fb_info *info) +{ + /* Nothing */ + return 0; +} + +/* + * Blank the display + */ +static void tx3912fbcon_blank(int blank, struct fb_info *info) +{ + /* FIXME */ + printk("tx3912fbcon_blank\n"); +} + +/* + * Read a single color register + */ +static int tx3912fb_getcolreg(u_int regno, u_int *red, u_int *green, + u_int *blue, u_int *transp, struct fb_info *info) +{ + if (regno > 255) + return 1; + +#if FB_IS_GREY + { + u_int grey; + + grey = regno * 255 / 15; + +#if FB_IS_INVERSE + grey ^= 255; +#endif + grey |= grey << 8; + *red = grey; + *green = grey; + *blue = grey; + } +#else + *red = (palette[regno].red<<8) | palette[regno].red; + *green = (palette[regno].green<<8) | palette[regno].green; + *blue = (palette[regno].blue<<8) | palette[regno].blue; +#endif + *transp = 0; + + return 0; +} + +/* + * Set a single color register + */ +static int tx3912fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info) +{ + if (regno > 255) + return 1; + +#ifdef FBCON_HAS_CFB8 + if( regno < 16 ) + fbcon_cmap.cfb8[regno] = ((red & 0xe000) >> 8) + | ((green & 0xe000) >> 11) + | ((blue & 0xc000) >> 14); +#endif + + red >>= 8; + green >>= 8; + blue >>= 8; + palette[regno].red = red; + palette[regno].green = green; + palette[regno].blue = blue; + + return 0; +} + +/* + * Install the color map + */ +static void tx3912fb_install_cmap(int con, struct fb_info *info) +{ + if (con != currcon) + return; + + if (fb_display[con].cmap.len) + fb_set_cmap(&fb_display[con].cmap, 1, tx3912fb_setcolreg, info); + else + fb_set_cmap(fb_default_cmap(1 << fb_display[con].var.bits_per_pixel), 1, tx3912fb_setcolreg, info); +} diff --git a/drivers/video/tx3912fb.h b/drivers/video/tx3912fb.h new file mode 100644 index 000000000..09d7dd082 --- /dev/null +++ b/drivers/video/tx3912fb.h @@ -0,0 +1,128 @@ +/* + * linux/drivers/video/tx3912fb.h + * + * Copyright (C) 2001 Steven Hill (sjhill@realitydiluted.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Includes for TMPR3912/05 and PR31700 LCD controller registers + */ +#include <asm/tx3912.h> + +#define VidCtrl1 REG_AT(0x028) +#define VidCtrl2 REG_AT(0x02C) +#define VidCtrl3 REG_AT(0x030) +#define VidCtrl4 REG_AT(0x034) +#define VidCtrl5 REG_AT(0x038) +#define VidCtrl6 REG_AT(0x03C) +#define VidCtrl7 REG_AT(0x040) +#define VidCtrl8 REG_AT(0x044) +#define VidCtrl9 REG_AT(0x048) +#define VidCtrl10 REG_AT(0x04C) +#define VidCtrl11 REG_AT(0x050) +#define VidCtrl12 REG_AT(0x054) +#define VidCtrl13 REG_AT(0x058) +#define VidCtrl14 REG_AT(0x05C) + +/* Video Control 1 Register */ +#define LINECNT 0xffc00000 +#define LINECNT_SHIFT 22 +#define LOADDLY BIT(21) +#define BAUDVAL (BIT(20) | BIT(19) | BIT(18) | BIT(17) | BIT(16)) +#define BAUDVAL_SHIFT 16 +#define VIDDONEVAL (BIT(15) | BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | BIT(9)) +#define VIDDONEVAL_SHIFT 9 +#define ENFREEZEFRAME BIT(8) +#define TX3912_VIDCTRL1_BITSEL_MASK 0x000000c0 +#define TX3912_VIDCTRL1_2BIT_GRAY 0x00000040 +#define TX3912_VIDCTRL1_4BIT_GRAY 0x00000080 +#define TX3912_VIDCTRL1_8BIT_COLOR 0x000000c0 +#define BITSEL_SHIFT 6 +#define DISPSPLIT BIT(5) +#define DISP8 BIT(4) +#define DFMODE BIT(3) +#define INVVID BIT(2) +#define DISPON BIT(1) +#define ENVID BIT(0) + +/* Video Control 2 Register */ +#define VIDRATE_MASK 0xffc00000 +#define VIDRATE_SHIFT 22 +#define HORZVAL_MASK 0x001ff000 +#define HORZVAL_SHIFT 12 +#define LINEVAL_MASK 0x000001ff + +/* Video Control 3 Register */ +#define TX3912_VIDCTRL3_VIDBANK_MASK 0xfff00000 +#define TX3912_VIDCTRL3_VIDBASEHI_MASK 0x000ffff0 + +/* Video Control 4 Register */ +#define TX3912_VIDCTRL4_VIDBASELO_MASK 0x000ffff0 + + +/* + * Begin platform specific configurations + */ +#if defined(CONFIG_NINO_4MB) || defined(CONFIG_NINO_8MB) +#define FB_X_RES 240 +#define FB_Y_RES 320 +#if defined(CONFIG_FBCON_CFB4) +#define FB_BPP 4 +#else +#if defined(CONFIG_FBCON_CFB2) +#define FB_BPP 2 +#else +#define FB_BPP 1 +#endif +#endif +#define FB_IS_GREY 1 +#define FB_IS_INVERSE 0 +#endif + +#ifdef CONFIG_NINO_16MB +#define FB_X_RES 240 +#define FB_Y_RES 320 +#define FB_BPP 8 +#define FB_IS_GREY 0 +#define FB_IS_INVERSE 0 +#endif + +/* + * Define virtual resolutions if necessary + */ +#ifndef FB_X_VIRTUAL_RES +#define FB_X_VIRTUAL_RES FB_X_RES +#endif +#ifndef FB_Y_VIRTUAL_RES +#define FB_Y_VIRTUAL_RES FB_Y_RES +#endif + +/* + * Framebuffer address and size + */ +u_long tx3912fb_paddr = 0; +u_long tx3912fb_vaddr = 0; +u_long tx3912fb_size = (FB_X_RES * FB_Y_RES * FB_BPP / 8); + +/* + * Framebuffer info structure + */ +static struct fb_var_screeninfo tx3912fb_info = { + FB_X_RES, FB_Y_RES, + FB_X_VIRTUAL_RES, FB_Y_VIRTUAL_RES, + 0, 0, + FB_BPP, FB_IS_GREY, + {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, + 0, FB_ACTIVATE_NOW, + -1, -1, 0, 20000, + 64, 64, 32, 32, 64, 2, + 0, FB_VMODE_NONINTERLACED, + {0,0,0,0,0,0} +}; + +/* + * Framebuffer name + */ +static char TX3912FB_NAME[16] = "tx3912fb"; |