| /* | |
| * 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 | |
| #define SISUSB_NEW_CONFIG_COMPAT | |
| #endif | |
| #include <linux/mutex.h> | |
| /* For older kernels, support for text consoles is by default | |
| * off. To enable text console support, change the following: | |
| */ | |
| /* #define CONFIG_USB_SISUSBVGA_CON */ | |
| /* Version Information */ | |
| #define SISUSB_VERSION 0 | |
| #define SISUSB_REVISION 0 | |
| #define SISUSB_PATCHLEVEL 8 | |
| /* Include console and mode switching code? */ | |
| #ifdef CONFIG_USB_SISUSBVGA_CON | |
| #define INCL_SISUSB_CON 1 | |
| #endif | |
| #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 INCL_SISUSB_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 */ |