diff options
Diffstat (limited to 'drivers/video/fbdev/sa1100fb.h')
| -rw-r--r-- | drivers/video/fbdev/sa1100fb.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sa1100fb.h b/drivers/video/fbdev/sa1100fb.h new file mode 100644 index 0000000000..b4363444fa --- /dev/null +++ b/drivers/video/fbdev/sa1100fb.h @@ -0,0 +1,101 @@ +/* + * linux/drivers/video/sa1100fb.h + * -- StrongARM 1100 LCD Controller Frame Buffer Device + * + * Copyright (C) 1999 Eric A. Thomas + * Based on acornfb.c Copyright (C) Russell King. + * + * 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. + */ + +struct gpio_desc; + +#define LCCR0 0x0000 /* LCD Control Reg. 0 */ +#define LCSR 0x0004 /* LCD Status Reg. */ +#define DBAR1 0x0010 /* LCD DMA Base Address Reg. channel 1 */ +#define DCAR1 0x0014 /* LCD DMA Current Address Reg. channel 1 */ +#define DBAR2 0x0018 /* LCD DMA Base Address Reg. channel 2 */ +#define DCAR2 0x001C /* LCD DMA Current Address Reg. channel 2 */ +#define LCCR1 0x0020 /* LCD Control Reg. 1 */ +#define LCCR2 0x0024 /* LCD Control Reg. 2 */ +#define LCCR3 0x0028 /* LCD Control Reg. 3 */ + +/* Shadows for LCD controller registers */ +struct sa1100fb_lcd_reg { + unsigned long lccr0; + unsigned long lccr1; + unsigned long lccr2; + unsigned long lccr3; +}; + +struct sa1100fb_info { + struct fb_info fb; + struct device *dev; + const struct sa1100fb_rgb *rgb[NR_RGB]; + void __iomem *base; + struct gpio_desc *shannon_lcden; + + /* + * These are the addresses we mapped + * the framebuffer memory region to. + */ + dma_addr_t map_dma; + u_char * map_cpu; + u_int map_size; + + u_char * screen_cpu; + dma_addr_t screen_dma; + u16 * palette_cpu; + dma_addr_t palette_dma; + u_int palette_size; + + dma_addr_t dbar1; + dma_addr_t dbar2; + + u_int reg_lccr0; + u_int reg_lccr1; + u_int reg_lccr2; + u_int reg_lccr3; + + volatile u_char state; + volatile u_char task_state; + struct mutex ctrlr_lock; + wait_queue_head_t ctrlr_wait; + struct work_struct task; + +#ifdef CONFIG_CPU_FREQ + struct notifier_block freq_transition; +#endif + + const struct sa1100fb_mach_info *inf; + struct clk *clk; + + u32 pseudo_palette[16]; +}; + +#define TO_INF(ptr,member) container_of(ptr,struct sa1100fb_info,member) + +#define SA1100_PALETTE_MODE_VAL(bpp) (((bpp) & 0x018) << 9) + +/* + * These are the actions for set_ctrlr_state + */ +#define C_DISABLE (0) +#define C_ENABLE (1) +#define C_DISABLE_CLKCHANGE (2) +#define C_ENABLE_CLKCHANGE (3) +#define C_REENABLE (4) +#define C_DISABLE_PM (5) +#define C_ENABLE_PM (6) +#define C_STARTUP (7) + +#define SA1100_NAME "SA1100" + +/* + * Minimum X and Y resolutions + */ +#define MIN_XRES 64 +#define MIN_YRES 64 + |