Import s3virge and trident drivers. Not functional yet; no Makefile, no DRI-aware DDX.

1 files changed, 233 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/s3v/s3v_macros.h b/src/mesa/drivers/dri/s3v/s3v_macros.h
new file mode 100644
index 00000000000..b54d506788d
--- /dev/null
+++ b/src/mesa/drivers/dri/s3v/s3v_macros.h
@@ -0,0 +1,233 @@
+/*
+ * Author: Max Lingua <[email protected]>
+ */
+
+#ifndef _S3V_MACROS_H_
+#define _S3V_MACROS_H_
+
+#ifdef GLX_DIRECT_RENDERING
+
+/**************/
+/* DRI macros */
+/**************/
+
+#define GENERIC_DEBUG 0
+#define FLOW_DEBUG    0
+#define DMABUFS_DEBUG 0
+
+/* Note: The argument to DEBUG*() _must_ be enclosed in parenthesis */
+
+#if (GENERIC_DEBUG || FLOW_DEBUG || DMABUFS_DEBUG)
+	#include <stdio.h>
+#endif
+
+#if GENERIC_DEBUG
+	#define DEBUG(str) printf str
+#else
+	#define DEBUG(str)
+#endif
+
+#if FLOW_DEBUG
+	#define DEBUG_WHERE(str) printf str
+#else
+	#define DEBUG_WHERE(str)
+#endif
+
+#if DMABUFS_DEBUG
+	#define DEBUG_BUFS(str) printf str
+#else
+	#define DEBUG_BUFS(str)
+#endif
+
+
+#if 0
+#define S3V_DMA_SEND_FLAGS    DRM_DMA_PRIORITY
+#define S3V_DMA_SEND_FLAGS    DRM_DMA_BLOCK
+#else
+#define S3V_DMA_SEND_FLAGS    0
+#endif
+
+#if 0
+#define S3V_DMA_GET_FLAGS     \
+    (DRM_DMA_SMALLER_OK | DRM_DMA_LARGER_OK | DRM_DMA_WAIT)
+#else
+#define S3V_DMA_GET_FLAGS     DRM_DMA_WAIT
+#endif
+
+
+#define DMAOUT_CHECK(reg,len) \
+do { \
+	DEBUG(("DMAOUT_CHECK: reg = 0x%x\n", S3V_##reg##_REG)); \
+	DEBUG_BUFS(("DMAOUT_CHECK (was): ")); \
+	DEBUG_BUFS(("vmesa->bufCount=%i of vmesa->bufSize=%i\n", \
+		vmesa->bufCount, vmesa->bufSize)); \
+	/* FIXME: > or >= */ \
+	if (vmesa->bufCount+(len+1) >= vmesa->bufSize) \
+		DMAFLUSH(); \
+\
+	vmesa->bufCount += (len+1); \
+	DEBUG_BUFS(("DMAOUT_CHECK (is): vmesa->bufCount=%i len=%i, reg=%x\n", \
+		vmesa->bufCount, len, S3V_##reg##_REG)); \
+	DMAOUT(	((len & 0xffff) | ((S3V_##reg##_REG & 0xfffc) << 14)) );  \
+} while (0)
+
+#define DMAOUT(val) \
+do { \
+	*(vmesa->buf++)=val; \
+	DEBUG_BUFS(("DMAOUT: val=0x%x\n", (unsigned int)val)); \
+} while(0)
+
+#define DMAFINISH()	\
+do { \
+	/* NOTE: it does nothing - it just prints some summary infos */ \
+	DEBUG(("DMAFINISH: vmesa->bufCount=%i\n", vmesa->bufCount)); \
+	DEBUG(("buf: index=%i; addr=%p\n", vmesa->bufIndex[vmesa->_bufNum], \
+	vmesa->s3vScreen->bufs->list[vmesa->bufIndex[vmesa->_bufNum]].address)); \
+} while(0)
+
+#define DMAFLUSH() \
+do { \
+	if (vmesa->bufCount) { \
+		SEND_DMA(vmesa->driFd, vmesa->hHWContext, 1, \
+			&vmesa->bufIndex[vmesa->_bufNum], &vmesa->bufCount); \
+/*
+		GET_DMA(vmesa->driFd, vmesa->hHWContext, 1, \
+			&vmesa->bufIndex, &vmesa->bufSize); \
+*/ \
+		vmesa->_bufNum = !(vmesa->_bufNum); \
+		vmesa->buf = vmesa->_buf[vmesa->_bufNum]; \
+/* 
+		vmesa->buf = \
+			vmesa->s3vScreen->bufs->list[vmesa->bufIndex].address; \
+*/ \
+		vmesa->bufCount = 0; \
+	} \
+} while (0)
+
+#define CMDCHANGE() \
+do { \
+	DMAOUT_CHECK(3DTRI_CMDSET, 1); /* FIXME: TRI/LINE */ \
+		DMAOUT(vmesa->CMD); \
+	DMAFINISH(); \
+} while (0)
+
+#ifdef DONT_SEND_DMA
+#define GET_DMA(fd, hHWCtx, n, idx, size)
+#define SEND_DMA(fd, hHWCtx,n, idx, cnt)
+#else
+#define GET_DMA(fd, hHWCtx, n, idx, size) \
+do { \
+	drmDMAReq dma; \
+	int retcode, i; \
+\
+	DEBUG(("GET_DMA: ")); \
+	DEBUG(("req_count=%i; req_list[#0]=%i; req_size[#0]=%i\n", \
+		n, (idx)[n-1], (size)[n-1])); \
+\
+	dma.context       = (hHWCtx); \
+	dma.send_count    = 0; \
+	dma.send_list     = NULL; \
+	dma.send_sizes    = NULL; \
+	dma.flags         = S3V_DMA_GET_FLAGS; \
+	dma.request_count = (n); \
+	dma.request_size  = S3V_DMA_BUF_SZ; \
+	dma.request_list  = (idx); \
+	dma.request_sizes = (size); \
+\
+	do { \
+		if ((retcode = drmDMA((fd), &dma))) { \
+		DEBUG_BUFS(("drmDMA (get) returned %d\n", retcode)); \
+	} \
+} while (!(dma).granted_count); \
+\
+	for (i = 0; i < (n); i++) { \
+		DEBUG(("Got buffer %i (index #%i)\n", (idx)[i], i)); \
+		DEBUG(("of %i bytes (%i words) size\n", \
+			(size)[i], (size)[i] >>2)); \
+		/* Convert from bytes to words */ \
+		(size)[i] >>= 2; \
+	} \
+} while (0)
+
+#define SEND_DMA(fd, hHWCtx, n, idx, cnt) \
+do { \
+	drmDMAReq dma; \
+	int retcode, i; \
+\
+	DEBUG(("SEND_DMA: ")); \
+	DEBUG(("send_count=%i; send_list[#0]=%i; send_sizes[#0]=%i\n", \
+		n, (idx)[n-1], (cnt)[n-1])); \
+\
+	for (i = 0; i < (n); i++) { \
+		/* Convert from words to bytes */ \
+		(cnt)[i] <<= 2; \
+	} \
+\
+	dma.context       = (hHWCtx); \
+	dma.send_count    = (n); \
+	dma.send_list     = (idx); \
+	dma.send_sizes    = (cnt); \
+	dma.flags         = S3V_DMA_SEND_FLAGS; \
+	dma.request_count = 0; \
+	dma.request_size  = 0; \
+	dma.request_list  = NULL; \
+	dma.request_sizes = NULL; \
+\
+	if ((retcode = drmDMA((fd), &dma))) { \
+		DEBUG_BUFS(("drmDMA (send) returned %d\n", retcode)); \
+	} \
+\
+	for (i = 0; i < (n); i++) { \
+		DEBUG(("Sent buffer %i (index #%i)\n", (idx)[i], i)); \
+		DEBUG(("of %i bytes (%i words) size\n", \
+			(cnt)[i], (cnt)[i] >>2)); \
+		(cnt)[i] = 0; \
+	} \
+} while (0)
+#endif /* DONT_SEND_DMA */
+
+#define GET_FIRST_DMA(fd, hHWCtx, n, idx, size, buf, cnt, vPriv) \
+do { \
+	int i; \
+	DEBUG_BUFS(("GET_FIRST_DMA\n")); \
+	DEBUG_BUFS(("n=%i idx=%i size=%i\n", n, *idx, *size)); \
+	DEBUG_BUFS(("going to GET_DMA\n")); \
+	GET_DMA(fd, hHWCtx, n, idx, size); \
+	DEBUG_BUFS(("coming from GET_DMA\n")); \
+	DEBUG_BUFS(("n=%i idx=%i size=%i\n", n, (idx)[0], (size)[0])); \
+	for (i = 0; i < (n); i++) { \
+		DEBUG_BUFS(("buf #%i @%p\n", \
+			i, (vPriv)->bufs->list[(idx)[i]].address)); \
+		(buf)[i] = (vPriv)->bufs->list[(idx)[i]].address; \
+		(cnt)[i] = 0; \
+	} \
+	DEBUG(("GOING HOME\n")); \
+} while (0)
+
+#endif
+
+/**************************/
+/* generic, global macros */
+/**************************/
+
+#define CALC_LOG2(l2,s) \
+do { \
+	int __s = s; \
+	l2 = 0; \
+	while (__s > 1) { ++l2; __s >>= 1; } \
+} while (0)
+
+#define PrimType_Null               0x00000000
+#define PrimType_Points             0x10000000
+#define PrimType_Lines              0x20000000
+#define PrimType_LineLoop           0x30000000
+#define PrimType_LineStrip          0x40000000
+#define PrimType_Triangles          0x50000000
+#define PrimType_TriangleStrip      0x60000000
+#define PrimType_TriangleFan        0x70000000
+#define PrimType_Quads              0x80000000
+#define PrimType_QuadStrip          0x90000000
+#define PrimType_Polygon            0xa0000000
+#define PrimType_Mask               0xf0000000
+
+#endif /* _S3V_MACROS_H_ */