o Added a VINO driver, well it tries to read the revision register at least. I use some special code when I write to those 64 bit registers.

4 files changed, 376 insertions, 0 deletions

diff --git a/drivers/char/Config.in b/drivers/char/Config.in
index 16a24938e..89da63706 100644
--- a/drivers/char/Config.in
+++ b/drivers/char/Config.in
@@ -112,6 +112,9 @@ if [ "$CONFIG_VIDEO_DEV" != "n" ]; then
     dep_tristate 'Quickcam BW Video For Linux' CONFIG_VIDEO_BWQCAM $CONFIG_VIDEO_DEV
     dep_tristate 'Colour QuickCam Video For Linux (EXPERIMENTAL)' CONFIG_VIDEO_CQCAM $CONFIG_VIDEO_DEV
   fi
+  if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
+    dep_tristate 'SGI Vino Video For Linux (EXPERIMENTAL)' CONFIG_VIDEO_VINO $CONFIG_VIDEO_DEV
+  fi
   dep_tristate 'Mediavision Pro Movie Studio Video For Linux' CONFIG_VIDEO_PMS $CONFIG_VIDEO_DEV
   dep_tristate 'SAA5249 Teletext processor' CONFIG_VIDEO_SAA5249 $CONFIG_VIDEO_DEV
   dep_tristate 'SF16FMI Radio' CONFIG_RADIO_SF16FMI $CONFIG_VIDEO_DEV
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 5796396fe..af9983701 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -328,6 +328,14 @@ else
   endif
 endif
 
+ifeq ($(CONFIG_VIDEO_VINO),y)
+L_OBJS += vino.o
+else
+  ifeq ($(CONFIG_VIDEO_VINO),m)
+  M_OBJS += vino.o
+  endif
+endif
+
 ifeq ($(CONFIG_RADIO_AZTECH),y)
 L_OBJS += radio-aztech.o
 else
diff --git a/drivers/char/vino.c b/drivers/char/vino.c
new file mode 100644
index 000000000..bf99a65e2
--- /dev/null
+++ b/drivers/char/vino.c
@@ -0,0 +1,247 @@
+/* $Id$
+ * drivers/char/vino.c
+ *
+ * (incomplete) Driver for the Vino Video input system found in SGI Indys.
+ *
+ * Copyright (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se)
+ *
+ * This isn't complete yet, please don't expect any video until I've written
+ * some more code.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/videodev.h>
+
+#include <asm/addrspace.h>
+#include <asm/system.h>
+
+#include "vino.h"
+
+struct vino_device {
+	struct video_device vdev;
+
+	unsigned long chan;
+#define VINO_CHAN_A		0
+#define VINO_CHAN_B		1
+
+	unsigned long flags;
+#define VINO_DMA_ACTIVE		(1<<0)
+};
+
+/* We can actually receive TV and IndyCam input at the same time. Believe it or
+ * not..
+ */
+static struct vino_device vino[2];
+
+/* Those registers have to be accessed by either *one* 64 bit write or *one* 64
+ * bit read. We need some asm to fix this. We can't use mips3 as standard
+ * because we just save 32 bits at context switch.
+ */
+
+static __inline__ unsigned long long vino_reg_read(unsigned long addr)
+{
+	unsigned long long ret;
+	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
+	unsigned long flags;
+
+	save_and_cli(flags);
+	__asm__ __volatile__(
+		".set\tmips3\n\t"
+		".set\tnoat\n\t"
+		"ld\t$1,(%0)\n\t"
+		"sd\t$1,(%1)\n\t"
+		".set\tat\n\t"
+		".set\tmips0"
+		:
+		:"r" (virt_addr),
+		 "r" (&ret)
+		:"$1");
+	restore_flags(flags);
+
+	return ret;
+}
+
+static __inline__ void vino_reg_write(unsigned long long value,
+				      unsigned long addr)
+{
+	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
+	unsigned long flags;
+
+	/* we might lose the upper parts of the registers which are not saved
+	 * if there comes an interrupt in our way, play safe */
+
+	save_and_cli(flags);
+	__asm__ __volatile__(
+		".set\tmips3\n\t"
+		".set\tnoat\n\t"
+		"ld\t$1,(%0)\n\t"
+		"sd\t$1,(%1)\n\t"
+		".set\tat\n\t"
+		".set\tmips0"
+		:
+		:"r" (&value),
+		 "r" (virt_addr)
+		:"$1");
+	restore_flags(flags);
+}
+
+static __inline__ void vino_reg_and(unsigned long long value,
+				    unsigned long addr)
+{
+	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
+	unsigned long flags;
+
+	save_and_cli(flags);
+	__asm__ __volatile__(
+		".set\tmips3\n\t"
+		".set\tnoat\n\t"
+		"ld\t$1,(%0)\n\t"
+		"ld\t$2,(%1)\n\t"
+		"and\t$1,$1,$2\n\t"
+		"sd\t$1,(%0)\n\t"
+		".set\tat\n\t"
+		".set\tmips0"
+		:
+		:"r" (virt_addr),
+		 "r" (&value)
+		:"$1","$2");
+	restore_flags(flags);
+}
+
+static __inline__ void vino_reg_or(unsigned long long value,
+				   unsigned long addr)
+{
+	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
+	unsigned long flags;
+
+	save_and_cli(flags);
+	__asm__ __volatile__(
+		".set\tmips3\n\t"
+		".set\tnoat\n\t"
+		"ld\t$1,(%0)\n\t"
+		"ld\t$2,(%1)\n\t"
+		"or\t$1,$1,$2\n\t"
+		"sd\t$1,(%0)\n\t"
+		".set\tat\n\t"
+		".set\tmips0"
+		:
+		:"r" (virt_addr),
+		 "r" (&value)
+		:"$1","$2");
+	restore_flags(flags);
+}
+
+static int vino_dma_setup(void)
+{
+	return 0;
+}
+
+static void vino_dma_stop(void)
+{
+
+}
+
+static int vino_init(void)
+{
+	unsigned long ret;
+	unsigned short rev, id;
+
+	ret = vino_reg_read(VINO_REVID);
+
+	rev = (ret & VINO_REVID_REV_MASK);
+	id = (ret & VINO_REVID_ID_MASK) >> 4;
+
+	printk("Vino: ID:%02hx Rev:%02hx\n", id, rev);
+
+	return 0;
+}
+
+static void vino_dma_go(struct vino_device *v)
+{
+	
+}
+
+/* Reset the vino back to default state */
+
+static void vino_setup(struct vino_device *v)
+{
+	
+}
+
+static int vino_open(struct video_device *dev, int flags)
+{
+	MOD_INC_USE_COUNT;
+	return 0;
+}
+
+static void vino_close(struct video_device *dev)
+{
+	MOD_DEC_USE_COUNT;
+}
+
+static int vino_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
+{
+	return 0;
+}
+
+static int vino_mmap(struct video_device *dev, const char *adr,
+		     unsigned long size)
+{
+	return 0;
+}
+
+static struct video_device vino_dev = {
+	"Vino IndyCam/TV",
+	VID_TYPE_CAPTURE,
+	VID_HARDWARE_VINO,
+	vino_open,
+	vino_close,
+	NULL,		/* vino_read */
+	NULL,		/* vino_write */
+	NULL,		/* vino_poll */
+	vino_ioctl,
+	vino_mmap,
+	NULL,		/* vino_init */
+	NULL,
+	0,
+	0
+};
+
+__initfunc(int init_vino(struct video_device *dev))
+{
+	int err;
+
+	err = vino_init();
+	if (err)
+		return err;
+
+#if 0
+	if (video_register_device(&vinodev, VFL_TYPE_GRABBER) == -1) {
+		return -ENODEV;
+	}
+#endif
+
+	return 0;
+}
+
+#ifdef MODULE
+int init_module(void)
+{
+	int err;
+
+	err = vino_init();
+	if (err)
+		return err;
+
+	return 0;
+}
+
+void cleanup_module(void)
+{
+}
+#endif
diff --git a/drivers/char/vino.h b/drivers/char/vino.h
new file mode 100644
index 000000000..aa7928cc2
--- /dev/null
+++ b/drivers/char/vino.h
@@ -0,0 +1,118 @@
+/* $Id$
+ * drivers/sgi/vino.h
+ *
+ * Copyright (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se)
+ */
+
+#define VINO_BASE		0x0008000
+
+#define VINO_REVID		0x0000
+#define VINO_CTRL		0x0008
+#define VINO_INTSTAT		0x0010	/* Interrupt status */
+#define VINO_I2C_CTRL		0x0018
+#define VINO_I2C_DATA		0x0020
+#define VINO_A_ALPHA		0x0028	/* Channel A ... */
+#define VINO_A_CLIPS		0x0030	/* Clipping start */
+#define VINO_A_CLIPE		0x0038	/* Clipping end */
+#define VINO_A_FRAMERT		0x0040	/* Framerate */
+#define VINO_A_FLDCNT		0x0048	/* Field counter */
+#define VINO_A_LNSZ		0x0050
+#define VINO_A_LNCNT		0x0058
+#define VINO_A_PGIX		0x0060	/* Page index */
+#define VINO_A_DESC_PTR		0x0068	/* Ptr to next four descriptors */
+#define VINO_A_DESC_TLB_PTR	0x0070	/* Ptr to start of descriptor table */
+#define VINO_A_DESC_DATA0	0x0078	/* Descriptor data 0 */
+#define VINO_A_DESC_DATA1	0x0080	/* ... */
+#define VINO_A_DESC_DATA2	0x0088
+#define VINO_A_DESC_DATE3	0x0090
+#define VINO_A_FIFO_THRESHOLD	0x0098	/* FIFO threshold */
+#define VINO_A_FIFO_RP		0x00a0
+#define VINO_A_FIFO_WP		0x00a8
+#define VINO_B_ALPHA		0x00b0	/* Channel B ... */
+#define VINO_B_CLIPS		0x00b8
+#define VINO_B_CLIPE		0x00c0
+#define VINO_B_FRAMERT		0x00c8
+#define VINO_B_FLDCNT		0x00d0
+#define VINO_B_LNSZ		0x00d8
+#define VINO_B_LNCNT		0x00e0
+#define VINO_B_PGIX		0x00e8
+#define VINO_B_DESC_PTR		0x00f0
+#define VINO_B_DESC_TLB_PTR	0x00f8
+#define VINO_B_DESC_DATA0	0x0100
+#define VINO_B_DESC_DATA1	0x0108
+#define VINO_B_DESC_DATA2	0x0110
+#define VINO_B_DESC_DATE3	0x0118
+#define VINO_B_FIFO_THRESHOLD	0x0120
+#define VINO_B_FIFO_RP		0x0128
+#define VINO_B_FIFO_WP		0x0130
+
+/* Bits in the VINO_REVID register */
+
+#define VINO_REVID_REV_MASK		0x000f	/* bits 0:3 */
+#define VINO_REVID_ID_MASK		0x00f0	/* bits 4:7 */
+
+/* Bits in the VINO_CTRL register */
+
+#define VINO_CTRL_LITTLE_ENDIAN		(1<<0)
+#define VINO_CTRL_A_FIELD_TRANS_INT	(1<<1)	/* Field transferred int */
+#define VINO_CTRL_A_FIFO_OF_INT		(1<<2)	/* FIFO overflow int */
+#define VINO_CTRL_A_END_DESC_TBL_INT	(1<<3)	/* End of desc table int */
+#define VINO_CTRL_B_FIELD_TRANS_INT	(1<<4)	/* Field transferred int */
+#define VINO_CTRL_B_FIFO_OF_INT		(1<<5)	/* FIFO overflow int */
+#define VINO_CTRL_B_END_DESC_TLB_INT	(1<<6)	/* End of desc table int */
+#define VINO_CTRL_A_DMA_ENBL		(1<<7)
+#define VINO_CTRL_A_INTERLEAVE_ENBL	(1<<8)
+#define VINO_CTRL_A_SYNC_ENBL		(1<<9)
+#define VINO_CTRL_A_SELECT		(1<<10)	/* 1=D1 0=Philips */
+#define VINO_CTRL_A_RGB			(1<<11)	/* 1=RGB 0=YUV */
+#define VINO_CTRL_A_LUMA_ONLY		(1<<12)
+#define VINO_CTRL_A_DEC_ENBL		(1<<13)	/* Decimation */
+#define VINO_CTRL_A_DEC_SCALE_MASK	0x1c000	/* bits 14:17 */
+#define VINO_CTRL_A_DEC_HOR_ONLY	(1<<17)	/* Horizontal only */
+#define VINO_CTRL_A_DITHER		(1<<18)	/* 24 -> 8 bit dither */
+#define VINO_CTRL_B_DMA_ENBL		(1<<19)
+#define VINO_CTRL_B_INTERLEAVE_ENBL	(1<<20)
+#define VINO_CTRL_B_SYNC_ENBL		(1<<21)
+#define VINO_CTRL_B_SELECT		(1<<22)	/* 1=D1 0=Philips */
+#define VINO_CTRL_B_RGB			(1<<22)	/* 1=RGB 0=YUV */
+#define VINO_CTRL_B_LUMA_ONLY		(1<<23)
+#define VINO_CTRL_B_DEC_ENBL		(1<<24)	/* Decimation */
+#define VINO_CTRL_B_DEC_SCALE_MASK	0x1c000000	/* bits 25:28 */
+#define VINO_CTRL_B_DEC_HOR_ONLY	(1<<29)	/* Decimation horizontal only */
+#define VINO_CTRL_B_DITHER		(1<<30)	/* ChanB 24 -> 8 bit dither */
+
+/* Bits in the Interrupt and Status register */
+
+#define VINO_INTSTAT_A_FIELD_TRANS	(1<<0)	/* Field transferred int */
+#define VINO_INTSTAT_A_FIFO_OF		(1<<1)	/* FIFO overflow int */
+#define VINO_INTSTAT_A_END_DESC_TBL	(1<<2)	/* End of desc table int */
+#define VINO_INTSTAT_B_FIELD_TRANS	(1<<3)	/* Field transferred int */
+#define VINO_INTSTAT_B_FIFO_OF		(1<<4)	/* FIFO overflow int */
+#define VINO_INTSTAT_B_END_DESC_TBL	(1<<5)	/* End of desc table int */
+
+/* Bits in the Clipping Start register */
+
+#define VINO_CLIPS_START		0x3ff		/* bits 0:9 */
+#define VINO_CLIPS_ODD_MASK		0x7fc00		/* bits 10:18 */
+#define VINO_CLIPS_EVEN_MASK		0xff80000	/* bits 19:27 */
+
+/* Bits in the Clipping End register */
+
+#define VINO_CLIPE_END			0x3ff		/* bits 0:9 */
+#define VINO_CLIPE_ODD_MASK		0x7fc00		/* bits 10:18 */
+#define VINO_CLIPE_EVEN_MASK		0xff80000	/* bits 19:27 */
+
+/* Bits in the Frame Rate register */
+
+#define VINO_FRAMERT_PAL		(1<<0)	/* 0=NTSC 1=PAL */
+#define VINO_FRAMERT_RT_MASK		0x1ffe		/* bits 1:12 */
+
+/* Bits in the VINO_I2C_CTRL */
+
+#define VINO_CTRL_I2C_IDLE		(1<<0)	/* write: 0=force idle
+						 * read: 0=idle 1=not idle */
+#define VINO_CTRL_I2C_DIR		(1<<1)	/* 0=read 1=write */
+#define VINO_CTRL_I2C_MORE_BYTES	(1<<2)	/* 0=last byte 1=more bytes */
+#define VINO_CTRL_I2C_TRANS_BUSY	(1<<4)	/* 0=trans done 1=trans busy */
+#define VINO_CTRL_I2C_ACK		(1<<5)	/* 0=ack received 1=ack not */
+#define VINO_CTRL_I2C_BUS_ERROR		(1<<7)	/* 0=no bus err 1=bus err */