patch-2.3.25 linux/drivers/video/acornfb.h

• Lines: 201
• Date: Thu Oct 28 10:16:02 1999
• Orig file: v2.3.24/linux/drivers/video/acornfb.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.24/linux/drivers/video/acornfb.h linux/drivers/video/acornfb.h
@@ -0,0 +1,200 @@
+/*
+ * linux/drivers/video/acornfb.h
+ *
+ * Copyright (C) 1998,1999 Russell King
+ *
+ * Frame buffer code for Acorn platforms
+ */
+#if defined(HAS_VIDC20)
+#include <asm/iomd.h>
+#define VIDC_PALETTE_SIZE	256
+#define VIDC_NAME		"VIDC20"
+#elif defined(HAS_VIDC)
+#include <asm/memc.h>
+#define VIDC_PALETTE_SIZE	16
+#define VIDC_NAME		"VIDC"
+#endif
+
+#define EXTEND8(x) ((x)|(x)<<8)
+#define EXTEND4(x) ((x)|(x)<<4|(x)<<8|(x)<<12)
+
+struct vidc20_palette {
+	u_int red:8;
+	u_int green:8;
+	u_int blue:8;
+	u_int ext:4;
+	u_int unused:4;
+};
+
+struct vidc_palette {
+	u_int red:4;
+	u_int green:4;
+	u_int blue:4;
+	u_int trans:1;
+	u_int sbz1:13;
+	u_int reg:4;
+	u_int sbz2:2;
+};
+
+union palette {
+	struct vidc20_palette	vidc20;
+	struct vidc_palette	vidc;
+	u_int	p;
+};
+
+struct acornfb_par {
+	unsigned long	screen_base;
+	unsigned long	screen_base_p;
+	unsigned long	screen_end;
+	unsigned long	screen_size;
+	unsigned int	dram_size;
+	unsigned int	vram_half_sam;
+	unsigned int	palette_size;
+	  signed int	montype;
+	  signed int	currcon;
+	unsigned int	allow_modeset	: 1;
+	unsigned int	using_vram	: 1;
+	unsigned int	dpms		: 1;
+
+	union palette palette[VIDC_PALETTE_SIZE];
+
+	union {
+		unsigned short cfb16[16];
+		unsigned long  cfb32[16];
+	} cmap;
+};
+
+struct vidc_timing {
+	u_int	h_cycle;
+	u_int	h_sync_width;
+	u_int	h_border_start;
+	u_int	h_display_start;
+	u_int	h_display_end;
+	u_int	h_border_end;
+	u_int	h_interlace;
+
+	u_int	v_cycle;
+	u_int	v_sync_width;
+	u_int	v_border_start;
+	u_int	v_display_start;
+	u_int	v_display_end;
+	u_int	v_border_end;
+
+	u_int	control;
+
+	/* VIDC20 only */
+	u_int	pll_ctl;
+};
+
+struct modey_params {
+	u_int	y_res;
+	u_int	u_margin;
+	u_int	b_margin;
+	u_int	vsync_len;
+	u_int	vf;
+};
+
+struct modex_params {
+	u_int	x_res;
+	u_int	l_margin;
+	u_int	r_margin;
+	u_int	hsync_len;
+	u_int	clock;
+	u_int	hf;
+	const struct modey_params *modey;
+};
+
+#ifdef HAS_VIDC
+
+#define VID_CTL_VS_NVSYNC	(1 << 3)
+#define VID_CTL_HS_NHSYNC	(1 << 2)
+#define VID_CTL_24MHz		(0)
+#define VID_CTL_25MHz		(1)
+#define VID_CTL_36MHz		(2)
+
+#define VIDC_CTRL_INTERLACE	(1 << 6)
+#define VIDC_CTRL_FIFO_0_4	(0 << 4)
+#define VIDC_CTRL_FIFO_1_5	(1 << 4)
+#define VIDC_CTRL_FIFO_2_6	(2 << 4)
+#define VIDC_CTRL_FIFO_3_7	(3 << 4)
+#define VIDC_CTRL_1BPP		(0 << 2)
+#define VIDC_CTRL_2BPP		(1 << 2)
+#define VIDC_CTRL_4BPP		(2 << 2)
+#define VIDC_CTRL_8BPP		(3 << 2)
+#define VIDC_CTRL_DIV3		(0 << 0)
+#define VIDC_CTRL_DIV2		(1 << 0)
+#define VIDC_CTRL_DIV1_5	(2 << 0)
+#define VIDC_CTRL_DIV1		(3 << 0)
+
+#endif
+
+#ifdef HAS_VIDC20
+/*
+ * VIDC20 registers
+ */
+#define VIDC20_CTRL		0xe0000000
+#define VIDC20_CTRL_PIX_VCLK	(0 << 0)
+#define VIDC20_CTRL_PIX_HCLK	(1 << 0)
+#define VIDC20_CTRL_PIX_RCLK	(2 << 0)
+#define VIDC20_CTRL_PIX_CK	(0 << 2)
+#define VIDC20_CTRL_PIX_CK2	(1 << 2)
+#define VIDC20_CTRL_PIX_CK3	(2 << 2)
+#define VIDC20_CTRL_PIX_CK4	(3 << 2)
+#define VIDC20_CTRL_PIX_CK5	(4 << 2)
+#define VIDC20_CTRL_PIX_CK6	(5 << 2)
+#define VIDC20_CTRL_PIX_CK7	(6 << 2)
+#define VIDC20_CTRL_PIX_CK8	(7 << 2)
+#define VIDC20_CTRL_1BPP	(0 << 5)
+#define VIDC20_CTRL_2BPP	(1 << 5)
+#define VIDC20_CTRL_4BPP	(2 << 5)
+#define VIDC20_CTRL_8BPP	(3 << 5)
+#define VIDC20_CTRL_16BPP	(4 << 5)
+#define VIDC20_CTRL_32BPP	(6 << 5)
+#define VIDC20_CTRL_FIFO_NS	(0 << 8)
+#define VIDC20_CTRL_FIFO_4	(1 << 8)
+#define VIDC20_CTRL_FIFO_8	(2 << 8)
+#define VIDC20_CTRL_FIFO_12	(3 << 8)
+#define VIDC20_CTRL_FIFO_16	(4 << 8)
+#define VIDC20_CTRL_FIFO_20	(5 << 8)
+#define VIDC20_CTRL_FIFO_24	(6 << 8)
+#define VIDC20_CTRL_FIFO_28	(7 << 8)
+#define VIDC20_CTRL_INT		(1 << 12)
+#define VIDC20_CTRL_DUP		(1 << 13)
+#define VIDC20_CTRL_PDOWN	(1 << 14)
+
+#define VIDC20_ECTL		0xc0000000
+#define VIDC20_ECTL_REG(x)	((x) & 0xf3)
+#define VIDC20_ECTL_ECK		(1 << 2)
+#define VIDC20_ECTL_REDPED	(1 << 8)
+#define VIDC20_ECTL_GREENPED	(1 << 9)
+#define VIDC20_ECTL_BLUEPED	(1 << 10)
+#define VIDC20_ECTL_DAC		(1 << 12)
+#define VIDC20_ECTL_LCDGS	(1 << 13)
+#define VIDC20_ECTL_HRM		(1 << 14)
+
+#define VIDC20_ECTL_HS_MASK	(3 << 16)
+#define VIDC20_ECTL_HS_HSYNC	(0 << 16)
+#define VIDC20_ECTL_HS_NHSYNC	(1 << 16)
+#define VIDC20_ECTL_HS_CSYNC	(2 << 16)
+#define VIDC20_ECTL_HS_NCSYNC	(3 << 16)
+
+#define VIDC20_ECTL_VS_MASK	(3 << 18)
+#define VIDC20_ECTL_VS_VSYNC	(0 << 18)
+#define VIDC20_ECTL_VS_NVSYNC	(1 << 18)
+#define VIDC20_ECTL_VS_CSYNC	(2 << 18)
+#define VIDC20_ECTL_VS_NCSYNC	(3 << 18)
+
+#define VIDC20_DCTL		0xf0000000
+/* 0-9 = number of words in scanline */
+#define VIDC20_DCTL_SNA		(1 << 12)
+#define VIDC20_DCTL_HDIS	(1 << 13)
+#define VIDC20_DCTL_BUS_NS	(0 << 16)
+#define VIDC20_DCTL_BUS_D31_0	(1 << 16)
+#define VIDC20_DCTL_BUS_D63_32	(2 << 16)
+#define VIDC20_DCTL_BUS_D63_0	(3 << 16)
+#define VIDC20_DCTL_VRAM_DIS	(0 << 18)
+#define VIDC20_DCTL_VRAM_PXCLK	(1 << 18)
+#define VIDC20_DCTL_VRAM_PXCLK2	(2 << 18)
+#define VIDC20_DCTL_VRAM_PXCLK4	(3 << 18)
+
+#endif