summaryrefslogtreecommitdiffstats
path: root/drivers/video/fbdev/sa1100fb.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/video/fbdev/sa1100fb.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/video/fbdev/sa1100fb.h')
-rw-r--r--drivers/video/fbdev/sa1100fb.h101
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 000000000..b4363444f
--- /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
+