1 files changed, 278 insertions, 0 deletions

diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h
new file mode 100644
index 000000000000..1306d006a25a
--- /dev/null
+++ b/drivers/usb/misc/sisusbvga/sisusb.h
@@ -0,0 +1,278 @@
+/*
+ * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles
+ *
+ * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria
+ *
+ * If distributed as part of the Linux kernel, this code is licensed under the
+ * terms of the GPL v2.
+ *
+ * Otherwise, the following license terms apply:
+ *
+ * * Redistribution and use in source and binary forms, with or without
+ * * modification, are permitted provided that the following conditions
+ * * are met:
+ * * 1) Redistributions of source code must retain the above copyright
+ * *    notice, this list of conditions and the following disclaimer.
+ * * 2) Redistributions in binary form must reproduce the above copyright
+ * *    notice, this list of conditions and the following disclaimer in the
+ * *    documentation and/or other materials provided with the distribution.
+ * * 3) The name of the author may not be used to endorse or promote products
+ * *    derived from this software without specific prior written permission.
+ * *
+ * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
+ * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author:      Thomas Winischhofer <thomas@winischhofer.net>
+ *
+ */
+
+#ifndef _SISUSB_H_
+#define _SISUSB_H_
+
+#ifdef CONFIG_COMPAT
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10)
+#include <linux/ioctl32.h>
+#define SISUSB_OLD_CONFIG_COMPAT
+#else
+#define SISUSB_NEW_CONFIG_COMPAT
+#endif
+#endif
+
+/* Version Information */
+
+#define SISUSB_VERSION          0
+#define SISUSB_REVISION         0
+#define SISUSB_PATCHLEVEL       7
+
+/* USB related */
+
+#define SISUSB_MINOR    133             /* FIXME */
+
+/* Size of the sisusb input/output buffers */
+#define SISUSB_IBUF_SIZE  0x01000
+#define SISUSB_OBUF_SIZE  0x10000       /* fixed */
+
+#define NUMOBUFS 8                      /* max number of output buffers/output URBs */
+
+/* About endianness:
+ *
+ * 1) I/O ports, PCI config registers. The read/write()
+ *    calls emulate inX/outX. Hence, the data is
+ *    expected/delivered in machine endiannes by this
+ *    driver.
+ * 2) Video memory. The data is copied 1:1. There is
+ *    no swapping. Ever. This means for userland that
+ *    the data has to be prepared properly. (Hint:
+ *    think graphics data format, command queue,
+ *    hardware cursor.)
+ * 3) MMIO. Data is copied 1:1. MMIO must be swapped
+ *    properly by userland.
+ *
+ */
+
+#ifdef __BIG_ENDIAN
+#define SISUSB_CORRECT_ENDIANNESS_PACKET(p)             \
+        do {                                            \
+                p->header  = cpu_to_le16(p->header);    \
+                p->address = cpu_to_le32(p->address);   \
+                p->data    = cpu_to_le32(p->data);      \
+        } while(0)
+#else
+#define SISUSB_CORRECT_ENDIANNESS_PACKET(p)
+#endif
+
+struct sisusb_usb_data;
+
+struct sisusb_urb_context {             /* urb->context for outbound bulk URBs */
+        struct sisusb_usb_data *sisusb;
+        int urbindex;
+        int *actual_length;
+};
+
+struct sisusb_usb_data {
+        struct usb_device *sisusb_dev;
+        struct usb_interface *interface;
+        struct kref kref;
+        wait_queue_head_t wait_q;       /* for syncind and timeouts */
+        struct semaphore lock;          /* general race avoidance */
+        unsigned int ifnum;             /* interface number of the USB device */
+        int minor;                      /* minor (for logging clarity) */
+        int isopen;                     /* !=0 if open */
+        int present;                    /* !=0 if device is present on the bus */
+        int ready;                      /* !=0 if device is ready for userland */
+#ifdef SISUSB_OLD_CONFIG_COMPAT
+        int ioctl32registered;
+#endif
+        int numobufs;                   /* number of obufs = number of out urbs */
+        char *obuf[NUMOBUFS], *ibuf;    /* transfer buffers */
+        int obufsize, ibufsize;
+        dma_addr_t transfer_dma_out[NUMOBUFS];
+        dma_addr_t transfer_dma_in;
+        struct urb *sisurbout[NUMOBUFS];
+        struct urb *sisurbin;
+        unsigned char urbstatus[NUMOBUFS];
+        unsigned char completein;
+        struct sisusb_urb_context urbout_context[NUMOBUFS];
+        unsigned long flagb0;
+        unsigned long vrambase;         /* framebuffer base */
+        unsigned int vramsize;          /* framebuffer size (bytes) */
+        unsigned long mmiobase;
+        unsigned int mmiosize;
+        unsigned long ioportbase;
+        unsigned char devinit;          /* device initialized? */
+        unsigned char gfxinit;          /* graphics core initialized? */
+        unsigned short chipid, chipvendor;
+        unsigned short chiprevision;
+};
+
+#define to_sisusb_dev(d) container_of(d, struct sisusb_usb_data, kref)
+
+/* USB transport related */
+
+/* urbstatus */
+#define SU_URB_BUSY   1
+#define SU_URB_ALLOC  2
+
+/* Endpoints */
+
+#define SISUSB_EP_GFX_IN        0x0e    /* gfx std packet out(0e)/in(8e) */
+#define SISUSB_EP_GFX_OUT       0x0e
+
+#define SISUSB_EP_GFX_BULK_OUT  0x01    /* gfx mem bulk out/in */
+#define SISUSB_EP_GFX_BULK_IN   0x02    /* ? 2 is "OUT" ? */
+
+#define SISUSB_EP_GFX_LBULK_OUT 0x03    /* gfx large mem bulk out */
+
+#define SISUSB_EP_UNKNOWN_04    0x04    /* ? 4 is "OUT" ? - unused */
+
+#define SISUSB_EP_BRIDGE_IN     0x0d    /* Net2280 out(0d)/in(8d) */
+#define SISUSB_EP_BRIDGE_OUT    0x0d
+
+#define SISUSB_TYPE_MEM         0
+#define SISUSB_TYPE_IO          1
+
+struct sisusb_packet {
+        unsigned short header;
+        u32 address;
+        u32 data;
+} __attribute__((__packed__));
+
+#define CLEARPACKET(packet) memset(packet, 0, 10)
+
+/* PCI bridge related */
+
+#define SISUSB_PCI_MEMBASE      0xd0000000
+#define SISUSB_PCI_MMIOBASE     0xe4000000
+#define SISUSB_PCI_IOPORTBASE   0x0000d000
+
+#define SISUSB_PCI_PSEUDO_MEMBASE       0x10000000
+#define SISUSB_PCI_PSEUDO_MMIOBASE      0x20000000
+#define SISUSB_PCI_PSEUDO_IOPORTBASE    0x0000d000
+#define SISUSB_PCI_PSEUDO_PCIBASE       0x00010000
+
+#define SISUSB_PCI_MMIOSIZE     (128*1024)
+#define SISUSB_PCI_PCONFSIZE    0x5c
+
+/* graphics core related */
+
+#define AROFFSET        0x40
+#define ARROFFSET       0x41
+#define GROFFSET        0x4e
+#define SROFFSET        0x44
+#define CROFFSET        0x54
+#define MISCROFFSET     0x4c
+#define MISCWOFFSET     0x42
+#define INPUTSTATOFFSET 0x5A
+#define PART1OFFSET     0x04
+#define PART2OFFSET     0x10
+#define PART3OFFSET     0x12
+#define PART4OFFSET     0x14
+#define PART5OFFSET     0x16
+#define CAPTUREOFFSET   0x00
+#define VIDEOOFFSET     0x02
+#define COLREGOFFSET    0x48
+#define PELMASKOFFSET   0x46
+#define VGAENABLE       0x43
+
+#define SISAR           SISUSB_PCI_IOPORTBASE + AROFFSET
+#define SISARR          SISUSB_PCI_IOPORTBASE + ARROFFSET
+#define SISGR           SISUSB_PCI_IOPORTBASE + GROFFSET
+#define SISSR           SISUSB_PCI_IOPORTBASE + SROFFSET
+#define SISCR           SISUSB_PCI_IOPORTBASE + CROFFSET
+#define SISMISCR        SISUSB_PCI_IOPORTBASE + MISCROFFSET
+#define SISMISCW        SISUSB_PCI_IOPORTBASE + MISCWOFFSET
+#define SISINPSTAT      SISUSB_PCI_IOPORTBASE + INPUTSTATOFFSET
+#define SISPART1        SISUSB_PCI_IOPORTBASE + PART1OFFSET
+#define SISPART2        SISUSB_PCI_IOPORTBASE + PART2OFFSET
+#define SISPART3        SISUSB_PCI_IOPORTBASE + PART3OFFSET
+#define SISPART4        SISUSB_PCI_IOPORTBASE + PART4OFFSET
+#define SISPART5        SISUSB_PCI_IOPORTBASE + PART5OFFSET
+#define SISCAP          SISUSB_PCI_IOPORTBASE + CAPTUREOFFSET
+#define SISVID          SISUSB_PCI_IOPORTBASE + VIDEOOFFSET
+#define SISCOLIDXR      SISUSB_PCI_IOPORTBASE + COLREGOFFSET - 1
+#define SISCOLIDX       SISUSB_PCI_IOPORTBASE + COLREGOFFSET
+#define SISCOLDATA      SISUSB_PCI_IOPORTBASE + COLREGOFFSET + 1
+#define SISCOL2IDX      SISPART5
+#define SISCOL2DATA     SISPART5 + 1
+#define SISPEL          SISUSB_PCI_IOPORTBASE + PELMASKOFFSET
+#define SISVGAEN        SISUSB_PCI_IOPORTBASE + VGAENABLE
+#define SISDACA         SISCOLIDX
+#define SISDACD         SISCOLDATA
+
+/* ioctl related */
+
+/* Structure argument for SISUSB_GET_INFO ioctl  */
+struct sisusb_info {
+        __u32   sisusb_id;              /* for identifying sisusb */
+#define SISUSB_ID  0x53495355           /* Identify myself with 'SISU' */
+        __u8    sisusb_version;
+        __u8    sisusb_revision;
+        __u8    sisusb_patchlevel;
+        __u8    sisusb_gfxinit;         /* graphics core initialized? */
+
+        __u32   sisusb_vrambase;
+        __u32   sisusb_mmiobase;
+        __u32   sisusb_iobase;
+        __u32   sisusb_pcibase;
+
+        __u32   sisusb_vramsize;        /* framebuffer size in bytes */
+
+        __u32   sisusb_minor;
+
+        __u32   sisusb_fbdevactive;     /* != 0 if framebuffer device active */
+
+        __u8    sisusb_reserved[32];    /* for future use */
+};
+
+struct sisusb_command {
+        __u8   operation;       /* see below */
+        __u8   data0;           /* operation dependent */
+        __u8   data1;           /* operation dependent */
+        __u8   data2;           /* operation dependent */
+        __u32  data3;           /* operation dependent */
+        __u32  data4;           /* for future use */
+};
+
+#define SUCMD_GET      0x01     /* for all: data0 = index, data3 = port */
+#define SUCMD_SET      0x02     /* data1 = value */
+#define SUCMD_SETOR    0x03     /* data1 = or */
+#define SUCMD_SETAND   0x04     /* data1 = and */
+#define SUCMD_SETANDOR 0x05     /* data1 = and, data2 = or */
+#define SUCMD_SETMASK  0x06     /* data1 = data, data2 = mask */
+
+#define SUCMD_CLRSCR   0x07     /* data0:1:2 = length, data3 = address */
+
+#define SISUSB_COMMAND          _IOWR(0xF3,0x3D,struct sisusb_command)
+#define SISUSB_GET_CONFIG_SIZE  _IOR(0xF3,0x3E,__u32)
+#define SISUSB_GET_CONFIG       _IOR(0xF3,0x3F,struct sisusb_info)
+
+#endif /* SISUSB_H */
+