viafb: VIA Frame Buffer Device Driver

@@ -0,0 +1,197 @@
+
+        VIA Integration Graphic Chip Console Framebuffer Driver
+
+[Platform]
+-----------------------
+    The console framebuffer driver is for Graphics chips of
+    VIA UniChrome (Pro) Family:
+ 	CLE266, PM800 / CN400,P4M800CE / P4M800Pro / CN700 / VN800, 
+	CX700 / VX700, P4M890 
+    VIA Chrome9 Family:
+	K8M890, CN896 / P4M900, VX800)
+
+[Driver features]
+------------------------
+    Device:CRT, LCD, DVI
+
+    Support Mode:
+        CRT:   
+	    640 x480(60, 75, 85, 100, 120 Hz), 720 x480(60 Hz),
+	    720 x576(60 Hz), 800 x600(60, 75, 85, 100, 120 Hz),
+	    848 x480(60 Hz), 856 x480(60 Hz), 1024 x512(60 Hz),
+	    1024 x768(60, 75, 85, 100 Hz), 1152 x864(75 Hz),
+	    1280 x768(60 Hz), 1280 x960(60 Hz), 1280 x1024(60, 75, 85

@@ -1501,6 +1501,24 @@
 	  (315/H/PRO, 55x, 650, 651, 740, 330, 661, 741, 760, 761) as

@@ -43,6 +43,7 @@
 obj-$(CONFIG_FB_ATY128)		  += aty/ macmodes.o
 obj-$(CONFIG_FB_RADEON)		  += aty/
 obj-$(CONFIG_FB_SIS)		  += sis/
+obj-$(CONFIG_FB_VIA)		  += via/
 obj-$(CONFIG_FB_KYRO)             += kyro/
 obj-$(CONFIG_FB_SAVAGE)		  += savage/
 obj-$(CONFIG_FB_GEODE)		  += geode/

@@ -0,0 +1,245 @@
+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under  the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your 
+ option)
+ * any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include "global.h"
+
+void init_accel(void)
+{
+	parinfo.cursor_start = parinfo.fbmem_free - CURSOR_SIZE;
+	parinfo.fbmem_free -= CURSOR_SIZE;
+	parinfo.fbmem_used += CURSOR_SIZE;
+
+	/* Reverse 8*1024 memory space for cursor image of the XServer

@@ -0,0 +1,190 @@
+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under  the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your 
+ option)
+ * any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __ACCEL_H__
+#define __ACCEL_H__
+
+#ifndef FB_ACCEL_VIA_UNICHROME
+#define FB_ACCEL_VIA_UNICHROME  50
+#endif
+
+/* MMIO Base Address Definition */
+#define MMIO_VGABASE                0x8000
+#define MMIO_CR_READ                MMIO_VGABASE + 0x3D4
+#define MMIO_CR_WRITE               MMIO_VGABASE + 0x3D5
+#define MMIO_SR_READ                MMIO_VGABASE + 0x3C4
+#define MMIO_SR_WRITE               MMIO_VGABASE + 0x3C5
+
+#ifndef VIA_MMIO
+#define VIA_MMIO 1
+#endif
+
+#if VIA_MMIO
+#define MMIO_OUT8(reg, val)  writeb(val, parinfo.io_virt + reg) #define

+MMIO_OUT16(reg, val) writew(val, parinfo.io_virt + reg) #define 
+MMIO_OUT32(reg, val) writel(val, parinfo.io_virt + reg)
+#define MMIO_IN8(reg)       readb(parinfo.io_virt + reg)
+#define MMIO_IN16(reg)      readw(parinfo.io_virt + reg)
+#define MMIO_IN32(reg)      readl(parinfo.io_virt + reg)
+
+#else
+#define MMIO_OUT8(reg, val)  outb(val, reg) #define MMIO_OUT16(reg, 
+val) outw(val, reg) #define MMIO_OUT32(reg, val) outl(val, reg)
+#define MMIO_IN8(reg)       inb(reg)
+#define MMIO_IN16(reg)      inw(reg)
+#define MMIO_IN32(reg)      inl(reg)
+#endif
+
+/* HW Cursor Status Define */
+#define HW_Cursor_ON    0
+#define HW_Cursor_OFF   1
+
+#define CURSOR_SIZE     (8 * 1024)
+#define VQ_SIZE         (256 * 1024)
+
+#define VIA_MMIO_BLTBASE        0x200000
+#define VIA_MMIO_BLTSIZE        0x200000
+
+/* Defines for 2D registers */
+#define VIA_REG_GECMD           0x000
+#define VIA_REG_GEMODE          0x004
+#define VIA_REG_SRCPOS          0x008
+#define VIA_REG_DSTPOS          0x00C
+/* width and height */
+#define VIA_REG_DIMENSION       0x010
+#define VIA_REG_PATADDR         0x014
+#define VIA_REG_FGCOLOR         0x018
+#define VIA_REG_BGCOLOR         0x01C
+/* top and left of clipping */
+#define VIA_REG_CLIPTL          0x020
+/* bottom and right of clipping */
+#define VIA_REG_CLIPBR          0x024
+#define VIA_REG_OFFSET          0x028
+/* color key control */
+#define VIA_REG_KEYCONTROL      0x02C
+#define VIA_REG_SRCBASE         0x030
+#define VIA_REG_DSTBASE         0x034
+/* pitch of src and dst */
+#define VIA_REG_PITCH           0x038
+#define VIA_REG_MONOPAT0        0x03C
+#define VIA_REG_MONOPAT1        0x040
+/* from 0x100 to 0x1ff */
+#define VIA_REG_COLORPAT        0x100
+
+/* VIA_REG_PITCH(0x38): Pitch Setting */
+#define VIA_PITCH_ENABLE        0x80000000
+
+/* defines for VIA HW cursor registers */
+#define VIA_REG_CURSOR_MODE     0x2D0
+#define VIA_REG_CURSOR_POS      0x2D4
+#define VIA_REG_CURSOR_ORG      0x2D8
+#define VIA_REG_CURSOR_BG       0x2DC
+#define VIA_REG_CURSOR_FG       0x2E0
+
+/* VIA_REG_GEMODE(0x04): GE mode */
+#define VIA_GEM_8bpp            0x00000000
+#define VIA_GEM_16bpp           0x00000100
+#define VIA_GEM_32bpp           0x00000300
+
+/* VIA_REG_GECMD(0x00): 2D Engine Command  */
+#define VIA_GEC_NOOP            0x00000000
+#define VIA_GEC_BLT             0x00000001
+#define VIA_GEC_LINE            0x00000005
+
+/* Rotate Command */
+#define VIA_GEC_ROT             0x00000008
+
+#define VIA_GEC_SRC_XY          0x00000000
+#define VIA_GEC_SRC_LINEAR      0x00000010
+#define VIA_GEC_DST_XY          0x00000000
+#define VIA_GEC_DST_LINRAT      0x00000020
+
+#define VIA_GEC_SRC_FB          0x00000000
+#define VIA_GEC_SRC_SYS         0x00000040
+#define VIA_GEC_DST_FB          0x00000000
+#define VIA_GEC_DST_SYS         0x00000080
+
+/* source is mono */
+#define VIA_GEC_SRC_MONO        0x00000100
+/* pattern is mono */
+#define VIA_GEC_PAT_MONO        0x00000200
+/* mono src is opaque */
+#define VIA_GEC_MSRC_OPAQUE     0x00000000
+/* mono src is transparent */
+#define VIA_GEC_MSRC_TRANS      0x00000400
+/* pattern is in frame buffer */
+#define VIA_GEC_PAT_FB          0x00000000
+/* pattern is from reg setting */
+#define VIA_GEC_PAT_REG         0x00000800
+
+#define VIA_GEC_CLIP_DISABLE    0x00000000
+#define VIA_GEC_CLIP_ENABLE     0x00001000
+
+#define VIA_GEC_FIXCOLOR_PAT    0x00002000
+
+#define VIA_GEC_INCX            0x00000000
+#define VIA_GEC_DECY            0x00004000
+#define VIA_GEC_INCY            0x00000000
+#define VIA_GEC_DECX            0x00008000
+/* mono pattern is opaque */
+#define VIA_GEC_MPAT_OPAQUE     0x00000000
+/* mono pattern is transparent */
+#define VIA_GEC_MPAT_TRANS      0x00010000
+
+#define VIA_GEC_MONO_UNPACK     0x00000000
+#define VIA_GEC_MONO_PACK       0x00020000
+#define VIA_GEC_MONO_DWORD      0x00000000
+#define VIA_GEC_MONO_WORD       0x00040000
+#define VIA_GEC_MONO_BYTE       0x00080000
+
+#define VIA_GEC_LASTPIXEL_ON    0x00000000
+#define VIA_GEC_LASTPIXEL_OFF   0x00100000
+#define VIA_GEC_X_MAJOR         0x00000000
+#define VIA_GEC_Y_MAJOR         0x00200000
+#define VIA_GEC_QUICK_START     0x00800000
+
+/* defines for VIA 3D registers */
+#define VIA_REG_STATUS          0x400
+#define VIA_REG_TRANSET         0x43C
+#define VIA_REG_TRANSPACE       0x440
+
+/* VIA_REG_STATUS(0x400): Engine Status */
+
+/* Command Regulator is busy */
+#define VIA_CMD_RGTR_BUSY       0x00000080
+/* 2D Engine is busy */
+#define VIA_2D_ENG_BUSY         0x00000002
+/* 3D Engine is busy */
+#define VIA_3D_ENG_BUSY         0x00000001
+/* Virtual Queue is busy */
+#define VIA_VR_QUEUE_BUSY       0x00020000
+
+#define MAXLOOP                 0xFFFFFF
+
+void init_accel(void);
+void init_2d_engine(void);
+void set_2d_color_depth(int);
+void hw_cursor_init(void);
+void show_hw_cursor(struct fb_info *info, int Status); int 
+wait_engine_idle(void);
+
+#endif /* __ACCEL_H__ */

@@ -0,0 +1,189 @@
+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under  the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your 
+ option)
+ * any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef __CHIP_H__
+#define __CHIP_H__
+
+#include "global.h"
+
+/***************************************/
+/* Definition Graphic Chip Information */ 
+/***************************************/
+
+#define     PCI_VIA_VENDOR_ID       0x1106
+
+/* Define VIA Graphic Chip Name */
+#define     UNICHROME_CLE266        1
+#define     UNICHROME_CLE266_DID    0x3122
+#define     CLE266_REVISION_AX      0x0A
+#define     CLE266_REVISION_CX      0x0C
+
+#define     UNICHROME_K400          2
+#define     UNICHROME_K400_DID      0x7205
+
+#define     UNICHROME_K800          3
+#define     UNICHROME_K800_DID      0x3108
+
+#define     UNICHROME_PM800          4
+#define     UNICHROME_PM800_DID      0x3118
+
+#define     UNICHROME_CN700         5
+#define     UNICHROME_CN700_DID     0x3344
+
+#define     UNICHROME_CX700         6
+#define     UNICHROME_CX700_DID     0x3157
+#define     CX700_REVISION_700         0x0
+#define     CX700_REVISION_700M      0x1
+#define     CX700_REVISION_700M2    0x2
+
+#define     UNICHROME_CN750         7
+#define     UNICHROME_CN750_DID     0x3225
+
+#define     UNICHROME_K8M890        8
+#define     UNICHROME_K8M890_DID    0x3230
+
+#define     UNICHROME_P4M890        9
+#define     UNICHROME_P4M890_DID    0x3343
+
+#define     UNICHROME_P4M900        10
+#define     UNICHROME_P4M900_DID    0x3371
+
+#define     UNICHROME_VX800         11
+#define     UNICHROME_VX800_DID     0x1122
+/**************************************************/
+/* Definition TMDS Trasmitter Information         */
+/**************************************************/
+
+/* Definition TMDS Trasmitter Index */
+#define     NON_TMDS_TRANSMITTER    0x00
+#define     VT1632_TMDS             0x01
+#define     INTEGRATED_TMDS         0x42
+
+/* Definition TMDS Trasmitter I2C Slave Address */
+#define     VT1632_TMDS_I2C_ADDR    0x10
+
+/**************************************************/
+/* Definition LVDS Trasmitter Information         */
+/**************************************************/
+
+/* Definition LVDS Trasmitter Index */
+#define     NON_LVDS_TRANSMITTER    0x00
+#define     VT1631_LVDS             0x01
+#define     VT1636_LVDS             0x0E
+#define     INTEGRATED_LVDS         0x41
+
+/* Definition Digital Transmitter Mode */
+#define     TX_DATA_12_BITS         0x01
+#define     TX_DATA_24_BITS         0x02
+#define     TX_DATA_DDR_MODE        0x04
+#define     TX_DATA_SDR_MODE        0x08
+
+/* Definition LVDS Trasmitter I2C Slave Address */
+#define     VT1631_LVDS_I2C_ADDR    0x70
+#define     VT3271_LVDS_I2C_ADDR    0x80
+#define     VT1636_LVDS_I2C_ADDR    0x80
+
+struct tmds_chip_information {
+	int tmds_chip_name;
+	int tmds_chip_slave_addr;
+	int dvi_panel_id;
+	int data_mode;
+	int output_interface;
+	int i2c_port;
+	int device_type;
+};
+
+struct lvds_chip_information {
+	int lvds_chip_name;
+	int lvds_chip_slave_addr;
+	int data_mode;
+	int output_interface;
+	int i2c_port;
+};
+
+struct chip_information {
+	int gfx_chip_name;
+	int gfx_chip_revision;
+	int chip_on_slot;
+	struct tmds_chip_information tmds_chip_info;
+	struct lvds_chip_information lvds_chip_info;
+	struct lvds_chip_information lvds_chip_info2; };
+
+struct crt_setting_information {
+	int iga_path;
+	int h_active;
+	int v_active;
+	int bpp;
+	int refresh_rate;
+};
+
+struct tmds_setting_information {
+	int iga_path;
+	int h_active;
+	int v_active;
+	int bpp;
+	int refresh_rate;
+	int get_dvi_size_method;
+	int max_pixel_clock;
+	int dvi_panel_size;
+	int dvi_panel_hres;
+	int dvi_panel_vres;
+	int native_size;
+};
+
+struct lvds_setting_information {
+	int iga_path;
+	int h_active;
+	int v_active;
+	int bpp;
+	int refresh_rate;
+	int get_lcd_size_method;
+	int lcd_panel_id;
+	int lcd_panel_size;
+	int lcd_panel_hres;
+	int lcd_panel_vres;
+	int display_method;
+	int device_lcd_dualedge;
+	int LCDDithering;
+	int lcd_mode;
+	u32 vclk;		/*panel mode clock value */
+};
+
+struct GFX_DPA_SETTING {
+	int ClkRangeIndex;
+	u8 DVP0;		/* CR96[3:0] */
+	u8 DVP0DataDri_S1;	/* SR2A[5]   */
+	u8 DVP0DataDri_S;	/* SR1B[1]   */
+	u8 DVP0ClockDri_S1;	/* SR2A[4]   */
+	u8 DVP0ClockDri_S;	/* SR1E[2]   */
+	u8 DVP1;		/* CR9B[3:0] */
+	u8 DVP1Driving;		/* SR65[3:0], Data and Clock driving */
+	u8 DFPHigh;		/* CR97[3:0] */
+	u8 DFPLow;		/* CR99[3:0] */
+
+};
+
+struct VT1636_DPA_SETTING {
+	int PanelSizeID;
+	u8 CLK_SEL_ST1;
+	u8 CLK_SEL_ST2;
+};
+#endif /* __CHIP_H__ */

@@ -0,0 +1,41 @@
+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under  the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your 
+ option)
+ * any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+#ifndef VIAFB_DEBUG
+#define VIAFB_DEBUG 0
+#endif
+
+#if VIAFB_DEBUG
+#define DEBUG_MSG(f, a...)   printk(f, ## a)
+#else
+#define DEBUG_MSG(f, a...)
+#endif
+
+#define VIAFB_WARN 0
+#if VIAFB_WARN
+#define WARN_MSG(f, a...)   printk(f, ## a)
+#else
+#define WARN_MSG(f, a...)
+#endif
+
+#endif /* __DEBUG_H__ */

@@ -0,0 +1,721 @@
+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or modify
+ * it under  the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your 
+ option)
+ * any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include "global.h"
+
+int check_tmds_chip(int device_id_subaddr, int device_id) {
+	if (tmds_register_read(device_id_subaddr) == device_id)
+		return (OK);
+	else
+		return (FAIL);
+}
+
+void init_dvi_size(void)
+{
+	DEBUG_MSG(KERN_INFO "init_dvi_size()\n");
+	DEBUG_MSG(KERN_INFO "tmds_setting_info.get_dvi_size_method