staging: Add framebuffer driver for XGI chipsets

This driver handles XG20, XG21, XG40, XG42 chipsets from XGI. They're
also known as Z7,Z9,Z11 chipsets. It's based on the SiS fb driver but
has been heavily modified by XGI to support their newer chipsets.


Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 215 insertions, 0 deletions

diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h
new file mode 100644
index 000000000000..41bf163d4e6b
--- /dev/null
+++ b/drivers/staging/xgifb/XGIfb.h
@@ -0,0 +1,215 @@
+#ifndef _LINUX_XGIFB
+#define _LINUX_XGIFB
+#include <linux/spinlock.h>
+#include <asm/ioctl.h>
+#include <asm/types.h>
+
+#define DISPTYPE_CRT1       0x00000008L
+#define DISPTYPE_CRT2       0x00000004L
+#define DISPTYPE_LCD        0x00000002L
+#define DISPTYPE_TV         0x00000001L
+#define DISPTYPE_DISP1      DISPTYPE_CRT1
+#define DISPTYPE_DISP2      (DISPTYPE_CRT2 | DISPTYPE_LCD | DISPTYPE_TV)
+#define DISPMODE_SINGLE	    0x00000020L
+#define DISPMODE_MIRROR	    0x00000010L
+#define DISPMODE_DUALVIEW   0x00000040L
+
+#define HASVB_NONE      	0x00
+#define HASVB_301       	0x01
+#define HASVB_LVDS      	0x02
+#define HASVB_TRUMPION  	0x04
+#define HASVB_LVDS_CHRONTEL	0x10
+#define HASVB_302       	0x20
+#define HASVB_303       	0x40
+#define HASVB_CHRONTEL  	0x80
+
+#ifndef XGIFB_ID
+#define XGIFB_ID          0x53495346    /* Identify myself with 'XGIF' */
+#endif
+
+typedef enum _XGI_CHIP_TYPE {
+    XGI_VGALegacy = 0,
+    XGI_300,
+    XGI_630,
+    XGI_730,
+    XGI_540,
+    XGI_315H,
+    XGI_315,
+    XGI_315PRO,
+    XGI_550,
+    XGI_640,
+    XGI_740,
+    XGI_650,
+    XGI_650M,
+    XGI_330 = 16,
+    XGI_660,
+    XGI_661,
+    XGI_760,
+    XG40 = 32,
+    XG41,
+    XG42,
+    XG45,
+    XG20 = 48,
+    XG21,
+    XG27,
+    MAX_XGI_CHIP
+} XGI_CHIP_TYPE;
+
+typedef enum _TVTYPE {
+	TVMODE_NTSC = 0,
+	TVMODE_PAL,
+	TVMODE_HIVISION,
+	TVTYPE_PALM,	// vicki@030226
+    	TVTYPE_PALN,	// vicki@030226
+    	TVTYPE_NTSCJ,	// vicki@030226
+	TVMODE_TOTAL
+} XGI_TV_TYPE;
+
+
+typedef struct _XGIFB_INFO XGIfb_info;
+struct _XGIFB_INFO {
+
+unsigned long XGIfb_id;
+ 	int    chip_id;			/* PCI ID of detected chip */
+	int    memory;			/* video memory in KB which XGIfb manages */
+	int    heapstart;               /* heap start (= XGIfb "mem" argument) in KB */
+	unsigned char fbvidmode;	/* current XGIfb mode */
+
+	unsigned char XGIfb_version;
+	unsigned char XGIfb_revision;
+	unsigned char XGIfb_patchlevel;
+
+	unsigned char XGIfb_caps;	/* XGIfb capabilities */
+
+	int    XGIfb_tqlen;		/* turbo queue length (in KB) */
+
+	unsigned int XGIfb_pcibus;      /* The card's PCI ID */
+	unsigned int XGIfb_pcislot;
+	unsigned int XGIfb_pcifunc;
+
+	unsigned char XGIfb_lcdpdc;	/* PanelDelayCompensation */
+
+	unsigned char XGIfb_lcda;	/* Detected status of LCDA for low res/text modes */
+
+	char reserved[235]; 		/* for future use */
+};
+
+
+
+
+typedef enum _TVPLUGTYPE {	// vicki@030226
+//	TVPLUG_Legacy = 0,
+//	TVPLUG_COMPOSITE,
+//	TVPLUG_SVIDEO,
+//	TVPLUG_SCART,
+//	TVPLUG_TOTAL
+    	TVPLUG_UNKNOWN = 0,
+    	TVPLUG_COMPOSITE = 1,
+    	TVPLUG_SVIDEO = 2,
+    	TVPLUG_COMPOSITE_AND_SVIDEO = 3,
+    	TVPLUG_SCART = 4,
+    	TVPLUG_YPBPR_525i = 5,
+    	TVPLUG_YPBPR_525P = 6,
+    	TVPLUG_YPBPR_750P = 7,
+    	TVPLUG_YPBPR_1080i = 8,
+	TVPLUG_TOTAL
+} XGI_TV_PLUG;
+
+
+struct mode_info {
+	int    bpp;
+	int    xres;
+	int    yres;
+	int    v_xres;
+	int    v_yres;
+	int    org_x;
+	int    org_y;
+	unsigned int  vrate;
+};
+
+struct ap_data {
+	struct mode_info minfo;
+	unsigned long iobase;
+	unsigned int  mem_size;
+	unsigned long disp_state;
+	XGI_CHIP_TYPE chip;
+	unsigned char hasVB;
+	XGI_TV_TYPE TV_type;
+	XGI_TV_PLUG TV_plug;
+	unsigned long version;
+	char reserved[256];
+};
+
+
+
+/*     If changing this, vgatypes.h must also be changed (for X driver)    */
+
+
+/*
+ * NOTE! The ioctl types used to be "size_t" by mistake, but were
+ * really meant to be __u32. Changed to "__u32" even though that
+ * changes the value on 64-bit architectures, because the value
+ * (with a 4-byte size) is also hardwired in vgatypes.h for user
+ * space exports. So "__u32" is actually more compatible, duh!
+ */
+#define XGIFB_GET_INFO	  	_IOR('n',0xF8,__u32)
+#define XGIFB_GET_VBRSTATUS  	_IOR('n',0xF9,__u32)
+
+
+
+struct video_info{
+        int           chip_id;
+        unsigned int  video_size;
+        unsigned long video_base;
+        char  *       video_vbase;
+        unsigned long mmio_base;
+        char  *       mmio_vbase;
+        unsigned long vga_base;
+        unsigned long mtrr;
+        unsigned long heapstart;
+
+        int    video_bpp;
+        int    video_cmap_len;
+        int    video_width;
+        int    video_height;
+        int    video_vwidth;
+        int    video_vheight;
+        int    org_x;
+        int    org_y;
+        int    video_linelength;
+        unsigned int refresh_rate;
+
+        unsigned long disp_state;
+        unsigned char hasVB;
+        unsigned char TV_type;
+        unsigned char TV_plug;
+
+        XGI_CHIP_TYPE chip;
+        unsigned char revision_id;
+
+        unsigned short DstColor;
+        unsigned long  XGI310_AccelDepth;
+        unsigned long  CommandReg;
+
+        spinlock_t     lockaccel;
+
+        unsigned int   pcibus;
+        unsigned int   pcislot;
+        unsigned int   pcifunc;
+
+        int            accel;
+        unsigned short subsysvendor;
+        unsigned short subsysdevice;
+
+        char reserved[236];
+};
+
+
+extern struct video_info xgi_video_info;
+
+#ifdef __KERNEL__
+//extern void xgi_malloc(struct xgi_memreq *req);
+extern void xgi_free(unsigned long base);
+extern void xgi_dispinfo(struct ap_data *rec);
+#endif
+#endif