include/video/tgafb.h - arm/linux - Git at Google

 /*
  *  linux/drivers/video/tgafb.h -- DEC 21030 TGA frame buffer device
  *
  *  	Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
  *
  *  $Id: tgafb.h,v 1.4.2.3 2000/04/04 06:44:56 mato Exp $
  *
  *  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.
  */

 #ifndef TGAFB_H
 #define TGAFB_H

 /*
  * TGA hardware description (minimal)
  */

 #define TGA_TYPE_8PLANE			0
 #define TGA_TYPE_24PLANE		1
 #define TGA_TYPE_24PLUSZ		3

 /*
  * Offsets within Memory Space
  */

 #define	TGA_ROM_OFFSET			0x0000000
 #define	TGA_REGS_OFFSET			0x0100000
 #define	TGA_8PLANE_FB_OFFSET		0x0200000
 #define	TGA_24PLANE_FB_OFFSET		0x0804000
 #define	TGA_24PLUSZ_FB_OFFSET		0x1004000

 #define TGA_FOREGROUND_REG		0x0020
 #define TGA_BACKGROUND_REG		0x0024
 #define	TGA_PLANEMASK_REG		0x0028
 #define TGA_PIXELMASK_ONESHOT_REG	0x002c
 #define	TGA_MODE_REG			0x0030
 #define	TGA_RASTEROP_REG		0x0034
 #define	TGA_PIXELSHIFT_REG		0x0038
 #define	TGA_DEEP_REG			0x0050
 #define	TGA_START_REG			0x0054
 #define	TGA_PIXELMASK_REG		0x005c
 #define	TGA_CURSOR_BASE_REG		0x0060
 #define	TGA_HORIZ_REG			0x0064
 #define	TGA_VERT_REG			0x0068
 #define	TGA_BASE_ADDR_REG		0x006c
 #define	TGA_VALID_REG			0x0070
 #define	TGA_CURSOR_XY_REG		0x0074
 #define	TGA_INTR_STAT_REG		0x007c
 #define TGA_DATA_REG			0x0080
 #define	TGA_RAMDAC_SETUP_REG		0x00c0
 #define	TGA_BLOCK_COLOR0_REG		0x0140
 #define	TGA_BLOCK_COLOR1_REG		0x0144
 #define	TGA_BLOCK_COLOR2_REG		0x0148
 #define	TGA_BLOCK_COLOR3_REG		0x014c
 #define	TGA_BLOCK_COLOR4_REG		0x0150
 #define	TGA_BLOCK_COLOR5_REG		0x0154
 #define	TGA_BLOCK_COLOR6_REG		0x0158
 #define	TGA_BLOCK_COLOR7_REG		0x015c
 #define TGA_COPY64_SRC			0x0160
 #define TGA_COPY64_DST			0x0164
 #define	TGA_CLOCK_REG			0x01e8
 #define	TGA_RAMDAC_REG			0x01f0
 #define	TGA_CMD_STAT_REG		0x01f8


 /*
  * Useful defines for managing the registers
  */

 #define TGA_HORIZ_ODD			0x80000000
 #define TGA_HORIZ_POLARITY		0x40000000
 #define TGA_HORIZ_ACT_MSB		0x30000000
 #define TGA_HORIZ_BP			0x0fe00000
 #define TGA_HORIZ_SYNC			0x001fc000
 #define TGA_HORIZ_FP			0x00007c00
 #define TGA_HORIZ_ACT_LSB		0x000001ff

 #define TGA_VERT_SE			0x80000000
 #define TGA_VERT_POLARITY		0x40000000
 #define TGA_VERT_RESERVED		0x30000000
 #define TGA_VERT_BP			0x0fc00000
 #define TGA_VERT_SYNC			0x003f0000
 #define TGA_VERT_FP			0x0000f800
 #define TGA_VERT_ACTIVE			0x000007ff

 #define TGA_VALID_VIDEO			0x01
 #define TGA_VALID_BLANK			0x02
 #define TGA_VALID_CURSOR		0x04

 #define TGA_MODE_SBM_8BPP		0x000
 #define TGA_MODE_SBM_24BPP		0x300

 #define TGA_MODE_SIMPLE			0x00
 #define TGA_MODE_SIMPLEZ		0x10
 #define TGA_MODE_OPAQUE_STIPPLE		0x01
 #define TGA_MODE_OPAQUE_FILL		0x21
 #define TGA_MODE_TRANSPARENT_STIPPLE	0x03
 #define TGA_MODE_TRANSPARENT_FILL	0x23
 #define TGA_MODE_BLOCK_STIPPLE		0x0d
 #define TGA_MODE_BLOCK_FILL		0x2d
 #define TGA_MODE_COPY			0x07
 #define TGA_MODE_DMA_READ_COPY_ND	0x17
 #define TGA_MODE_DMA_READ_COPY_D	0x37
 #define TGA_MODE_DMA_WRITE_COPY		0x1f


 /*
  * Useful defines for managing the ICS1562 PLL clock
  */

 #define TGA_PLL_BASE_FREQ 		14318		/* .18 */
 #define TGA_PLL_MAX_FREQ 		230000


 /*
  * Useful defines for managing the BT485 on the 8-plane TGA
  */

 #define	BT485_READ_BIT			0x01
 #define	BT485_WRITE_BIT			0x00

 #define	BT485_ADDR_PAL_WRITE		0x00
 #define	BT485_DATA_PAL			0x02
 #define	BT485_PIXEL_MASK		0x04
 #define	BT485_ADDR_PAL_READ		0x06
 #define	BT485_ADDR_CUR_WRITE		0x08
 #define	BT485_DATA_CUR			0x0a
 #define	BT485_CMD_0			0x0c
 #define	BT485_ADDR_CUR_READ		0x0e
 #define	BT485_CMD_1			0x10
 #define	BT485_CMD_2			0x12
 #define	BT485_STATUS			0x14
 #define	BT485_CMD_3			0x14
 #define	BT485_CUR_RAM			0x16
 #define	BT485_CUR_LOW_X			0x18
 #define	BT485_CUR_HIGH_X		0x1a
 #define	BT485_CUR_LOW_Y			0x1c
 #define	BT485_CUR_HIGH_Y		0x1e


 /*
  * Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s
  */

 #define	BT463_ADDR_LO		0x0
 #define	BT463_ADDR_HI		0x1
 #define	BT463_REG_ACC		0x2
 #define	BT463_PALETTE		0x3

 #define	BT463_CUR_CLR_0		0x0100
 #define	BT463_CUR_CLR_1		0x0101

 #define	BT463_CMD_REG_0		0x0201
 #define	BT463_CMD_REG_1		0x0202
 #define	BT463_CMD_REG_2		0x0203

 #define	BT463_READ_MASK_0	0x0205
 #define	BT463_READ_MASK_1	0x0206
 #define	BT463_READ_MASK_2	0x0207
 #define	BT463_READ_MASK_3	0x0208

 #define	BT463_BLINK_MASK_0	0x0209
 #define	BT463_BLINK_MASK_1	0x020a
 #define	BT463_BLINK_MASK_2	0x020b
 #define	BT463_BLINK_MASK_3	0x020c

 #define	BT463_WINDOW_TYPE_BASE	0x0300

 /*
  * Useful defines for managing the BT459 on the 8-plane SFB+s
  */

 #define	BT459_ADDR_LO		0x0
 #define	BT459_ADDR_HI		0x1
 #define	BT459_REG_ACC		0x2
 #define	BT459_PALETTE		0x3

 #define	BT459_CUR_CLR_1		0x0181
 #define	BT459_CUR_CLR_2		0x0182
 #define	BT459_CUR_CLR_3		0x0183

 #define	BT459_CMD_REG_0		0x0201
 #define	BT459_CMD_REG_1		0x0202
 #define	BT459_CMD_REG_2		0x0203

 #define	BT459_READ_MASK		0x0204

 #define	BT459_BLINK_MASK	0x0206

 #define	BT459_CUR_CMD_REG	0x0300

 /*
  * The framebuffer driver private data.
  */

 struct tga_par {
 	/* PCI/TC device.  */
 	struct device *dev;

 	/* Device dependent information.  */
 	void __iomem *tga_mem_base;
 	void __iomem *tga_fb_base;
 	void __iomem *tga_regs_base;
 	u8 tga_type;				/* TGA_TYPE_XXX */
 	u8 tga_chip_rev;			/* dc21030 revision */

 	/* Remember blank mode.  */
 	u8 vesa_blanked;

 	/* Define the video mode.  */
 	u32 xres, yres;			/* resolution in pixels */
 	u32 htimings;			/* horizontal timing register */
 	u32 vtimings;			/* vertical timing register */
 	u32 pll_freq;			/* pixclock in mhz */
 	u32 bits_per_pixel;		/* bits per pixel */
 	u32 sync_on_green;		/* set if sync is on green */
 	u32 palette[16];
 };


 /*
  * Macros for reading/writing TGA and RAMDAC registers
  */

 static inline void
 TGA_WRITE_REG(struct tga_par *par, u32 v, u32 r)
 {
 	writel(v, par->tga_regs_base +r);
 }

 static inline u32
 TGA_READ_REG(struct tga_par *par, u32 r)
 {
 	return readl(par->tga_regs_base +r);
 }

 static inline void
 BT485_WRITE(struct tga_par *par, u8 v, u8 r)
 {
 	TGA_WRITE_REG(par, r, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, v | (r << 8), TGA_RAMDAC_REG);
 }

 static inline void
 BT463_LOAD_ADDR(struct tga_par *par, u16 a)
 {
 	TGA_WRITE_REG(par, BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, (BT463_ADDR_LO<<10) | (a & 0xff), TGA_RAMDAC_REG);
 	TGA_WRITE_REG(par, BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, (BT463_ADDR_HI<<10) | (a >> 8), TGA_RAMDAC_REG);
 }

 static inline void
 BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
 {
 	BT463_LOAD_ADDR(par, a);
 	TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG);
 }

 static inline void
 BT459_LOAD_ADDR(struct tga_par *par, u16 a)
 {
 	TGA_WRITE_REG(par, BT459_ADDR_LO << 2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, a & 0xff, TGA_RAMDAC_REG);
 	TGA_WRITE_REG(par, BT459_ADDR_HI << 2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, a >> 8, TGA_RAMDAC_REG);
 }

 static inline void
 BT459_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
 {
 	BT459_LOAD_ADDR(par, a);
 	TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
 	TGA_WRITE_REG(par, v, TGA_RAMDAC_REG);
 }

 #endif /* TGAFB_H */
	/*
	* linux/drivers/video/tgafb.h -- DEC 21030 TGA frame buffer device
	*
	* Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
	*
	* $Id: tgafb.h,v 1.4.2.3 2000/04/04 06:44:56 mato Exp $
	*
	* 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.
	*/

	#ifndef TGAFB_H
	#define TGAFB_H

	/*
	* TGA hardware description (minimal)
	*/

	#define TGA_TYPE_8PLANE 0
	#define TGA_TYPE_24PLANE 1
	#define TGA_TYPE_24PLUSZ 3

	/*
	* Offsets within Memory Space
	*/

	#define TGA_ROM_OFFSET 0x0000000
	#define TGA_REGS_OFFSET 0x0100000
	#define TGA_8PLANE_FB_OFFSET 0x0200000
	#define TGA_24PLANE_FB_OFFSET 0x0804000
	#define TGA_24PLUSZ_FB_OFFSET 0x1004000

	#define TGA_FOREGROUND_REG 0x0020
	#define TGA_BACKGROUND_REG 0x0024
	#define TGA_PLANEMASK_REG 0x0028
	#define TGA_PIXELMASK_ONESHOT_REG 0x002c
	#define TGA_MODE_REG 0x0030
	#define TGA_RASTEROP_REG 0x0034
	#define TGA_PIXELSHIFT_REG 0x0038
	#define TGA_DEEP_REG 0x0050
	#define TGA_START_REG 0x0054
	#define TGA_PIXELMASK_REG 0x005c
	#define TGA_CURSOR_BASE_REG 0x0060
	#define TGA_HORIZ_REG 0x0064
	#define TGA_VERT_REG 0x0068
	#define TGA_BASE_ADDR_REG 0x006c
	#define TGA_VALID_REG 0x0070
	#define TGA_CURSOR_XY_REG 0x0074
	#define TGA_INTR_STAT_REG 0x007c
	#define TGA_DATA_REG 0x0080
	#define TGA_RAMDAC_SETUP_REG 0x00c0
	#define TGA_BLOCK_COLOR0_REG 0x0140
	#define TGA_BLOCK_COLOR1_REG 0x0144
	#define TGA_BLOCK_COLOR2_REG 0x0148
	#define TGA_BLOCK_COLOR3_REG 0x014c
	#define TGA_BLOCK_COLOR4_REG 0x0150
	#define TGA_BLOCK_COLOR5_REG 0x0154
	#define TGA_BLOCK_COLOR6_REG 0x0158
	#define TGA_BLOCK_COLOR7_REG 0x015c
	#define TGA_COPY64_SRC 0x0160
	#define TGA_COPY64_DST 0x0164
	#define TGA_CLOCK_REG 0x01e8
	#define TGA_RAMDAC_REG 0x01f0
	#define TGA_CMD_STAT_REG 0x01f8


	/*
	* Useful defines for managing the registers
	*/

	#define TGA_HORIZ_ODD 0x80000000
	#define TGA_HORIZ_POLARITY 0x40000000
	#define TGA_HORIZ_ACT_MSB 0x30000000
	#define TGA_HORIZ_BP 0x0fe00000
	#define TGA_HORIZ_SYNC 0x001fc000
	#define TGA_HORIZ_FP 0x00007c00
	#define TGA_HORIZ_ACT_LSB 0x000001ff

	#define TGA_VERT_SE 0x80000000
	#define TGA_VERT_POLARITY 0x40000000
	#define TGA_VERT_RESERVED 0x30000000
	#define TGA_VERT_BP 0x0fc00000
	#define TGA_VERT_SYNC 0x003f0000
	#define TGA_VERT_FP 0x0000f800
	#define TGA_VERT_ACTIVE 0x000007ff

	#define TGA_VALID_VIDEO 0x01
	#define TGA_VALID_BLANK 0x02
	#define TGA_VALID_CURSOR 0x04

	#define TGA_MODE_SBM_8BPP 0x000
	#define TGA_MODE_SBM_24BPP 0x300

	#define TGA_MODE_SIMPLE 0x00
	#define TGA_MODE_SIMPLEZ 0x10
	#define TGA_MODE_OPAQUE_STIPPLE 0x01
	#define TGA_MODE_OPAQUE_FILL 0x21
	#define TGA_MODE_TRANSPARENT_STIPPLE 0x03
	#define TGA_MODE_TRANSPARENT_FILL 0x23
	#define TGA_MODE_BLOCK_STIPPLE 0x0d
	#define TGA_MODE_BLOCK_FILL 0x2d
	#define TGA_MODE_COPY 0x07
	#define TGA_MODE_DMA_READ_COPY_ND 0x17
	#define TGA_MODE_DMA_READ_COPY_D 0x37
	#define TGA_MODE_DMA_WRITE_COPY 0x1f


	/*
	* Useful defines for managing the ICS1562 PLL clock
	*/

	#define TGA_PLL_BASE_FREQ 14318 /* .18 */
	#define TGA_PLL_MAX_FREQ 230000


	/*
	* Useful defines for managing the BT485 on the 8-plane TGA
	*/

	#define BT485_READ_BIT 0x01
	#define BT485_WRITE_BIT 0x00

	#define BT485_ADDR_PAL_WRITE 0x00
	#define BT485_DATA_PAL 0x02
	#define BT485_PIXEL_MASK 0x04
	#define BT485_ADDR_PAL_READ 0x06
	#define BT485_ADDR_CUR_WRITE 0x08
	#define BT485_DATA_CUR 0x0a
	#define BT485_CMD_0 0x0c
	#define BT485_ADDR_CUR_READ 0x0e
	#define BT485_CMD_1 0x10
	#define BT485_CMD_2 0x12
	#define BT485_STATUS 0x14
	#define BT485_CMD_3 0x14
	#define BT485_CUR_RAM 0x16
	#define BT485_CUR_LOW_X 0x18
	#define BT485_CUR_HIGH_X 0x1a
	#define BT485_CUR_LOW_Y 0x1c
	#define BT485_CUR_HIGH_Y 0x1e


	/*
	* Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s
	*/

	#define BT463_ADDR_LO 0x0
	#define BT463_ADDR_HI 0x1
	#define BT463_REG_ACC 0x2
	#define BT463_PALETTE 0x3

	#define BT463_CUR_CLR_0 0x0100
	#define BT463_CUR_CLR_1 0x0101

	#define BT463_CMD_REG_0 0x0201
	#define BT463_CMD_REG_1 0x0202
	#define BT463_CMD_REG_2 0x0203

	#define BT463_READ_MASK_0 0x0205
	#define BT463_READ_MASK_1 0x0206
	#define BT463_READ_MASK_2 0x0207
	#define BT463_READ_MASK_3 0x0208

	#define BT463_BLINK_MASK_0 0x0209
	#define BT463_BLINK_MASK_1 0x020a
	#define BT463_BLINK_MASK_2 0x020b
	#define BT463_BLINK_MASK_3 0x020c

	#define BT463_WINDOW_TYPE_BASE 0x0300

	/*
	* Useful defines for managing the BT459 on the 8-plane SFB+s
	*/

	#define BT459_ADDR_LO 0x0
	#define BT459_ADDR_HI 0x1
	#define BT459_REG_ACC 0x2
	#define BT459_PALETTE 0x3

	#define BT459_CUR_CLR_1 0x0181
	#define BT459_CUR_CLR_2 0x0182
	#define BT459_CUR_CLR_3 0x0183

	#define BT459_CMD_REG_0 0x0201
	#define BT459_CMD_REG_1 0x0202
	#define BT459_CMD_REG_2 0x0203

	#define BT459_READ_MASK 0x0204

	#define BT459_BLINK_MASK 0x0206

	#define BT459_CUR_CMD_REG 0x0300

	/*
	* The framebuffer driver private data.
	*/

	struct tga_par {
	/* PCI/TC device. */
	struct device *dev;

	/* Device dependent information. */
	void __iomem *tga_mem_base;
	void __iomem *tga_fb_base;
	void __iomem *tga_regs_base;
	u8 tga_type; /* TGA_TYPE_XXX */
	u8 tga_chip_rev; /* dc21030 revision */

	/* Remember blank mode. */
	u8 vesa_blanked;

	/* Define the video mode. */
	u32 xres, yres; /* resolution in pixels */
	u32 htimings; /* horizontal timing register */
	u32 vtimings; /* vertical timing register */
	u32 pll_freq; /* pixclock in mhz */
	u32 bits_per_pixel; /* bits per pixel */
	u32 sync_on_green; /* set if sync is on green */
	u32 palette[16];
	};


	/*
	* Macros for reading/writing TGA and RAMDAC registers
	*/

	static inline void
	TGA_WRITE_REG(struct tga_par *par, u32 v, u32 r)
	{
	writel(v, par->tga_regs_base +r);
	}

	static inline u32
	TGA_READ_REG(struct tga_par *par, u32 r)
	{
	return readl(par->tga_regs_base +r);
	}

	static inline void
	BT485_WRITE(struct tga_par *par, u8 v, u8 r)
	{
	TGA_WRITE_REG(par, r, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, v \| (r << 8), TGA_RAMDAC_REG);
	}

	static inline void
	BT463_LOAD_ADDR(struct tga_par *par, u16 a)
	{
	TGA_WRITE_REG(par, BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, (BT463_ADDR_LO<<10) \| (a & 0xff), TGA_RAMDAC_REG);
	TGA_WRITE_REG(par, BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, (BT463_ADDR_HI<<10) \| (a >> 8), TGA_RAMDAC_REG);
	}

	static inline void
	BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
	{
	BT463_LOAD_ADDR(par, a);
	TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, m << 10 \| v, TGA_RAMDAC_REG);
	}

	static inline void
	BT459_LOAD_ADDR(struct tga_par *par, u16 a)
	{
	TGA_WRITE_REG(par, BT459_ADDR_LO << 2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, a & 0xff, TGA_RAMDAC_REG);
	TGA_WRITE_REG(par, BT459_ADDR_HI << 2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, a >> 8, TGA_RAMDAC_REG);
	}

	static inline void
	BT459_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
	{
	BT459_LOAD_ADDR(par, a);
	TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
	TGA_WRITE_REG(par, v, TGA_RAMDAC_REG);
	}

	#endif /* TGAFB_H */