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Diffstat (limited to 'drivers/video/sa1100fb.h')
-rw-r--r--drivers/video/sa1100fb.h147
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/video/sa1100fb.h b/drivers/video/sa1100fb.h
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+/*
+ * 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.
+ */
+
+/*
+ * These are the bitfields for each
+ * display depth that we support.
+ */
+struct sa1100fb_rgb {
+ struct fb_bitfield red;
+ struct fb_bitfield green;
+ struct fb_bitfield blue;
+ struct fb_bitfield transp;
+};
+
+/*
+ * This structure describes the machine which we are running on.
+ */
+struct sa1100fb_mach_info {
+ u_long pixclock;
+
+ u_short xres;
+ u_short yres;
+
+ u_char bpp;
+ u_char hsync_len;
+ u_char left_margin;
+ u_char right_margin;
+
+ u_char vsync_len;
+ u_char upper_margin;
+ u_char lower_margin;
+ u_char sync;
+
+ u_int cmap_greyscale:1,
+ cmap_inverse:1,
+ cmap_static:1,
+ unused:29;
+
+ u_int lccr0;
+ u_int lccr3;
+};
+
+/* Shadows for LCD controller registers */
+struct sa1100fb_lcd_reg {
+ unsigned long lccr0;
+ unsigned long lccr1;
+ unsigned long lccr2;
+ unsigned long lccr3;
+};
+
+#define RGB_8 (0)
+#define RGB_16 (1)
+#define NR_RGB 2
+
+struct sa1100fb_info {
+ struct fb_info fb;
+ struct device *dev;
+ struct sa1100fb_rgb *rgb[NR_RGB];
+
+ u_int max_bpp;
+ u_int max_xres;
+ u_int max_yres;
+
+ /*
+ * 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 lccr0;
+ u_int lccr3;
+ u_int cmap_inverse:1,
+ cmap_static:1,
+ unused:30;
+
+ 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 semaphore ctrlr_sem;
+ wait_queue_head_t ctrlr_wait;
+ struct work_struct task;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+ struct notifier_block freq_policy;
+#endif
+};
+
+#define __type_entry(ptr,type,member) ((type *)((char *)(ptr)-offsetof(type,member)))
+
+#define TO_INF(ptr,member) __type_entry(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"
+
+/*
+ * Debug macros
+ */
+#if DEBUG
+# define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args)
+#else
+# define DPRINTK(fmt, args...)
+#endif
+
+/*
+ * Minimum X and Y resolutions
+ */
+#define MIN_XRES 64
+#define MIN_YRES 64
+