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-rw-r--r--drivers/usb/misc/sisusbvga/sisusb.h299
1 files changed, 299 insertions, 0 deletions
diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h
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+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * 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_
+
+#include <linux/mutex.h>
+
+/* Version Information */
+
+#define SISUSB_VERSION 0
+#define SISUSB_REVISION 0
+#define SISUSB_PATCHLEVEL 8
+
+/* Include console and mode switching code? */
+
+#include <linux/console.h>
+#include <linux/vt_kern.h>
+#include "sisusb_struct.h"
+
+/* USB related */
+
+#define SISUSB_MINOR 133 /* official */
+
+/* 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 mutex 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 */
+ int numobufs; /* number of obufs = number of out urbs */
+ char *obuf[NUMOBUFS], *ibuf; /* transfer buffers */
+ int obufsize, ibufsize;
+ 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;
+#ifdef CONFIG_USB_SISUSBVGA_CON
+ struct SiS_Private *SiS_Pr;
+ unsigned long scrbuf;
+ unsigned int scrbuf_size;
+ int haveconsole, con_first, con_last;
+ int havethisconsole[MAX_NR_CONSOLES];
+ int textmodedestroyed;
+ unsigned int sisusb_num_columns; /* real number, not vt's idea */
+ int cur_start_addr, con_rolled_over;
+ int sisusb_cursor_loc, bad_cursor_pos;
+ int sisusb_cursor_size_from;
+ int sisusb_cursor_size_to;
+ int current_font_height, current_font_512;
+ int font_backup_size, font_backup_height, font_backup_512;
+ char *font_backup;
+ int font_slot;
+ struct vc_data *sisusb_display_fg;
+ int is_gfx;
+ int con_blanked;
+#endif
+};
+
+#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 */
+
+ __u32 sisusb_conactive; /* != 0 if console driver active */
+
+ __u8 sisusb_reserved[28]; /* 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 SUCMD_HANDLETEXTMODE 0x08 /* Reset/destroy text mode */
+
+#define SUCMD_SETMODE 0x09 /* Set a display mode (data3 = SiS mode) */
+#define SUCMD_SETVESAMODE 0x0a /* Set a display mode (data3 = VESA mode) */
+
+#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 */