12add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* 291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III 391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla * flexcop-usb.c - covers the USB part 491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla * see flexcop.c for copyright information 52add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach */ 62add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define FC_LOG_PREFIX "flexcop_usb" 72add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#include "flexcop-usb.h" 82add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#include "flexcop-common.h" 92add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 102add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* Version information */ 112add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define DRIVER_VERSION "0.1" 122add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver" 132add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>" 142add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 152add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* debug */ 162add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG 172add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define dprintk(level,args...) \ 1891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla do { if ((debug & level)) printk(args); } while (0) 1991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla 2091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define debug_dump(b, l, method) do {\ 212add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int i; \ 2291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla for (i = 0; i < l; i++) \ 2391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla method("%02x ", b[i]); \ 2491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla method("\n"); \ 2591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla} while (0) 262add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 272add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define DEBSTATUS "" 282add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#else 2991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define dprintk(level, args...) 3091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define debug_dump(b, l, method) 312add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define DEBSTATUS " (debugging is not enabled)" 322add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#endif 332add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 342add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int debug; 352add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachmodule_param(debug, int, 0644); 3691b94366260fc4d960713c2e76e0fc874ff76992Uwe BuglaMODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2," 3791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla "ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); 382add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#undef DEBSTATUS 392add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define deb_info(args...) dprintk(0x01, args) 4191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define deb_ts(args...) dprintk(0x02, args) 4291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define deb_ctrl(args...) dprintk(0x04, args) 4391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define deb_i2c(args...) dprintk(0x08, args) 4491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define deb_v8(args...) dprintk(0x10, args) 452add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 462add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits 472add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * in the IBI address, to make the V8 code simpler. 4891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (the six bits used) 492add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * in general: 0000 0HHH 000L LL00 502add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * IBI ADDRESS FORMAT: RHHH BLLL 512add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * 522add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * where R is the read(1)/write(0) bit, B is the busy bit 532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * and HHH and LLL are the two sets of three bits from the PCI address. 542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach */ 5591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) \ 5691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) 5791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) \ 5891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) 592add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 602add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* 612add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * DKT 020228 622add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * - forget about this VENDOR_BUFFER_SIZE, read and write register 632add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * deal with DWORD or 4 bytes, that should be should from now on 642add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * - from now on, we don't support anything older than firm 1.00 652add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * I eliminated the write register as a 2 trip of writing hi word and lo word 662add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * and force this to write only 4 bytes at a time. 672add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * NOTE: this should work with all the firmware from 1.00 and newer 682add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach */ 692add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read) 702add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 712add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct flexcop_usb *fc_usb = fc->bus_specific; 722add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; 732add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; 7491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | 7591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (read ? 0x80 : 0); 762add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 772add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int len = usb_control_msg(fc_usb->udev, 782add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, 792add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach request, 8091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type, /* 0xc0 read or 0x40 write */ 812add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wAddress, 822add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 0, 832add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach val, 842add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach sizeof(u32), 852add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach B2C2_WAIT_FOR_OPERATION_RDW * HZ); 862add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 872add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (len != sizeof(u32)) { 8891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla err("error while %s dword from %d (%d).", read ? "reading" : 8991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla "writing", wAddress, wRegOffsPCI); 902add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return -EIO; 912add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 922add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return 0; 932add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 942add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* 952add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach * DKT 010817 - add support for V8 memory read/write and flash update 962add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach */ 972add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, 982add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_request_t req, u8 page, u16 wAddress, 9991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla u8 *pbBuffer, u32 buflen) 1002add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 1012add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u8 request_type = USB_TYPE_VENDOR; 1022add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u16 wIndex; 10391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla int nWaitTime, pipe, len; 1042add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wIndex = page << 8; 1052add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 1062add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach switch (req) { 10791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_READ_V8_MEM: 10891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; 10991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type |= USB_DIR_IN; 11091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = B2C2_USB_CTRL_PIPE_IN; 1112add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 11291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_WRITE_V8_MEM: 11391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wIndex |= pbBuffer[0]; 11491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type |= USB_DIR_OUT; 11591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; 11691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = B2C2_USB_CTRL_PIPE_OUT; 1172add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 11891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_FLASH_BLOCK: 11991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type |= USB_DIR_OUT; 12091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; 12191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = B2C2_USB_CTRL_PIPE_OUT; 1222add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 12391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla default: 12491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_info("unsupported request for v8_mem_req %x.\n", req); 1252add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return -EINVAL; 1262add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 12791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req, 12891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wAddress, wIndex, buflen); 1292add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 13091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla len = usb_control_msg(fc_usb->udev, pipe, 1312add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach req, 1322add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach request_type, 1332add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wAddress, 1342add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wIndex, 1352add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach pbBuffer, 1362add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach buflen, 1372add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach nWaitTime * HZ); 1382add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 13991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla debug_dump(pbBuffer, len, deb_v8); 1402add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return len == buflen ? 0 : -EIO; 1412add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 1422add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 1432add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#define bytes_left_to_read_on_page(paddr,buflen) \ 14491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ 14591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) 1462add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 14791b94366260fc4d960713c2e76e0fc874ff76992Uwe Buglastatic int flexcop_usb_memory_req(struct flexcop_usb *fc_usb, 14891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start, 14991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla u32 addr, int extended, u8 *buf, u32 len) 1502add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 1512add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int i,ret = 0; 1522add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u16 wMax; 1532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u32 pagechunk = 0; 1542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 1552add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach switch(req) { 15691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_READ_V8_MEM: 15791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wMax = USB_MEM_READ_MAX; 15891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 15991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_WRITE_V8_MEM: 16091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wMax = USB_MEM_WRITE_MAX; 16191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 16291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case B2C2_USB_FLASH_BLOCK: 16391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wMax = USB_FLASH_MAX; 16491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 16591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla default: 16691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return -EINVAL; 1672add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 1682add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 1692add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach for (i = 0; i < len;) { 17091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pagechunk = 17191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wMax < bytes_left_to_read_on_page(addr, len) ? 17291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wMax : 17391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla bytes_left_to_read_on_page(addr, len); 17491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_info("%x\n", 17591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (addr & V8_MEMORY_PAGE_MASK) | 17691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (V8_MEMORY_EXTENDED*extended)); 17791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla 17891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla ret = flexcop_usb_v8_memory_req(fc_usb, req, 17991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla page_start + (addr / V8_MEMORY_PAGE_SIZE), 18091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (addr & V8_MEMORY_PAGE_MASK) | 18191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla (V8_MEMORY_EXTENDED*extended), 18291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla &buf[i], pagechunk); 18391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla 18491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla if (ret < 0) 1852add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return ret; 1862add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach addr += pagechunk; 1872add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach len -= pagechunk; 1882add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 1892add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return 0; 1902add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 1912add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 1922add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) 1932add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 19491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM, 19591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla V8_MEMORY_PAGE_FLASH, 0x1f010, 1, 19691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc->dvb_adapter.proposed_mac, 6); 1972add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 1982add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 1992add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#if 0 2002add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set, 2012add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_utility_function_t func, u8 extra, u16 wIndex, 2022add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u16 buflen, u8 *pvBuffer) 2032add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 2042add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u16 wValue; 2052add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR; 2062add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int nWaitTime = 2, 20791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, len; 2082add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wValue = (func << 8) | extra; 2092add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 2102add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach len = usb_control_msg(fc_usb->udev,pipe, 2112add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach B2C2_USB_UTILITY, 2122add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach request_type, 2132add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wValue, 2142add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wIndex, 2152add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach pvBuffer, 2162add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach buflen, 2172add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach nWaitTime * HZ); 2182add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return len == buflen ? 0 : -EIO; 2192add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 2202add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach#endif 2212add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 2222add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* usb i2c stuff */ 2236394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcherstatic int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, 2242add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, 2256394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcher u8 chipaddr, u8 addr, u8 *buf, u8 buflen) 2262add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 2276394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcher struct flexcop_usb *fc_usb = i2c->fc->bus_specific; 2282add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u16 wValue, wIndex; 2292add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int nWaitTime,pipe,len; 2302add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach u8 request_type = USB_TYPE_VENDOR; 2312add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 2322add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach switch (func) { 23391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_WRITE: 23491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_MULTIWRITE: 23591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_REPEATWRITE: 2362add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach /* DKT 020208 - add this to support special case of DiSEqC */ 23791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_CHECKWRITE: 23891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = B2C2_USB_CTRL_PIPE_OUT; 23991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla nWaitTime = 2; 24091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type |= USB_DIR_OUT; 2412add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 24291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_READ: 24391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_FUNC_I2C_REPEATREAD: 24491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pipe = B2C2_USB_CTRL_PIPE_IN; 24591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla nWaitTime = 2; 24691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla request_type |= USB_DIR_IN; 2472add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach break; 24891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla default: 24991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_info("unsupported function for i2c_req %x\n", func); 25091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return -EINVAL; 2512add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 2526394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcher wValue = (func << 8) | (i2c->port << 4); 2532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wIndex = (chipaddr << 8 ) | addr; 2542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 25591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n", 25691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla func, request_type, req, 25791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wValue & 0xff, wValue >> 8, 25891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla wIndex & 0xff, wIndex >> 8); 2592add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 2602add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach len = usb_control_msg(fc_usb->udev,pipe, 2612add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach req, 2622add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach request_type, 2632add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wValue, 2642add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach wIndex, 2652add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach buf, 2662add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach buflen, 2672add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach nWaitTime * HZ); 2682add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return len == buflen ? 0 : -EREMOTEIO; 2692add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 2702add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 27191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla/* actual bus specific access functions, 27291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla make sure prototype are/will be equal to pci */ 27391b94366260fc4d960713c2e76e0fc874ff76992Uwe Buglastatic flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, 27491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_ibi_register reg) 2752add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 2762add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_ibi_value val; 2772add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach val.raw = 0; 27891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1); 2792add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return val; 2802add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 2812add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 28291b94366260fc4d960713c2e76e0fc874ff76992Uwe Buglastatic int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, 28391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_ibi_register reg, flexcop_ibi_value val) 2842add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 28591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0); 2862add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 2872add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 2886394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcherstatic int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, 28991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) 2902add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 2912add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (op == FC_READ) 2926394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcher return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 29391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla USB_FUNC_I2C_READ, chipaddr, addr, buf, len); 2942add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach else 2956394cf53abc0b3a2db9e8b947ef5c77b16861ec8Patrick Boettcher return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, 29691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); 2972add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 2982add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 29991b94366260fc4d960713c2e76e0fc874ff76992Uwe Buglastatic void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, 30091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla u8 *buffer, int buffer_length) 3017635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach{ 3027635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach u8 *b; 3037635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach int l; 3047635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach 30591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", 30691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->tmp_buffer_length, buffer_length); 3077635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach 3087635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach if (fc_usb->tmp_buffer_length > 0) { 30991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, 31091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla buffer_length); 3117635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach fc_usb->tmp_buffer_length += buffer_length; 3127635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach b = fc_usb->tmp_buffer; 3137635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach l = fc_usb->tmp_buffer_length; 3147635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach } else { 3157635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach b=buffer; 3167635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach l=buffer_length; 3177635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach } 3187635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach 3197635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach while (l >= 190) { 32091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla if (*b == 0xff) { 3217635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach switch (*(b+1) & 0x03) { 32291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case 0x01: /* media packet */ 32391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla if (*(b+2) == 0x47) 32491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_pass_dmx_packets( 32591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->fc_dev, b+2, 1); 32691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla else 32791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts( 32891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla "not ts packet %02x %02x %02x %02x \n", 32991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla *(b+2), *(b+3), 33091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla *(b+4), *(b+5)); 33191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla b += 190; 33291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla l -= 190; 3337635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach break; 33491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla default: 33591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("wrong packet type\n"); 33691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla l = 0; 3377635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach break; 3387635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach } 33991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla } else { 3407635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach deb_ts("wrong header\n"); 3417635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach l = 0; 3427635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach } 3437635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach } 3447635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach 3457635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach if (l>0) 3467635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach memcpy(fc_usb->tmp_buffer, b, l); 3477635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach fc_usb->tmp_buffer_length = l; 3487635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach} 3497635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach 3507d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void flexcop_usb_urb_complete(struct urb *urb) 3512add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 3522add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct flexcop_usb *fc_usb = urb->context; 3532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int i; 3542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3552add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (urb->actual_length > 0) 35691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("urb completed, bufsize: %d actlen; %d\n", 35791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla urb->transfer_buffer_length, urb->actual_length); 3582add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3592add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach for (i = 0; i < urb->number_of_packets; i++) { 3602add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (urb->iso_frame_desc[i].status < 0) { 36191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla err("iso frame descriptor %d has an error: %d\n", i, 36291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla urb->iso_frame_desc[i].status); 3632add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } else 3642add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (urb->iso_frame_desc[i].actual_length > 0) { 36591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("passed %d bytes to the demux\n", 36691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla urb->iso_frame_desc[i].actual_length); 3672add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3687635acd2d927578495c692056d0e7dabd06afc89Johannes Stezenbach flexcop_usb_process_frame(fc_usb, 36991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla urb->transfer_buffer + 37091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla urb->iso_frame_desc[i].offset, 3712add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->iso_frame_desc[i].actual_length); 37291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla } 3732add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->iso_frame_desc[i].status = 0; 3742add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->iso_frame_desc[i].actual_length = 0; 3752add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 3762add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_submit_urb(urb,GFP_ATOMIC); 3772add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 3782add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3792add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) 3802add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 3812add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach /* submit/kill iso packets */ 3822add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return 0; 3832add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 3842add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3852add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) 3862add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 3872add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int i; 3882add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) 3892add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (fc_usb->iso_urb[i] != NULL) { 3902add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach deb_ts("unlinking/killing urb no. %d\n",i); 3912add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_kill_urb(fc_usb->iso_urb[i]); 3922add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_free_urb(fc_usb->iso_urb[i]); 3932add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 3942add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 3952add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (fc_usb->iso_buffer != NULL) 39691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla pci_free_consistent(NULL, 39791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->buffer_size, fc_usb->iso_buffer, 39891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->dma_addr); 3992add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 4002add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4012add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) 4022add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 40391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla u16 frame_size = le16_to_cpu( 40491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); 40591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * 40691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla frame_size, i, j, ret; 4072add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int buffer_offset = 0; 4082add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 40991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("creating %d iso-urbs with %d frames " 41091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla "each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB, 41191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize); 4122add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 41391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->iso_buffer = pci_alloc_consistent(NULL, 41491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla bufsize, &fc_usb->dma_addr); 4152add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if (fc_usb->iso_buffer == NULL) 4162add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return -ENOMEM; 41791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla 4182add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach memset(fc_usb->iso_buffer, 0, bufsize); 4192add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc_usb->buffer_size = bufsize; 4202add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4212add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach /* creating iso urbs */ 42291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 42391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO, 42491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla GFP_ATOMIC); 42591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla if (fc_usb->iso_urb[i] == NULL) { 4262add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach ret = -ENOMEM; 4272add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach goto urb_error; 4282add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 42991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla } 43091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla 4312add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach /* initialising and submitting iso urbs */ 4322add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { 4332add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int frame_offset = 0; 4342add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct urb *urb = fc_usb->iso_urb[i]; 43591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("initializing and submitting urb no. %d " 43691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla "(buf_offset: %d).\n", i, buffer_offset); 4372add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4382add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->dev = fc_usb->udev; 4392add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->context = fc_usb; 4402add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->complete = flexcop_usb_urb_complete; 4412add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->pipe = B2C2_USB_DATA_PIPE; 4422add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->transfer_flags = URB_ISO_ASAP; 4432add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->interval = 1; 4442add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; 4452add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; 4462add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; 4472add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4482add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; 4492add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { 45091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla deb_ts("urb no: %d, frame: %d, frame_offset: %d\n", 45191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla i, j, frame_offset); 4522add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->iso_frame_desc[j].offset = frame_offset; 4532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach urb->iso_frame_desc[j].length = frame_size; 4542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach frame_offset += frame_size; 4552add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 4562add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4572add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { 45891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla err("submitting urb %d failed with %d.", i, ret); 4592add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach goto urb_error; 4602add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 4612add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach deb_ts("submitted urb no. %d.\n",i); 4622add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 4632add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 46491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla /* SRAM */ 46591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA | 46691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, 46791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla FC_SRAM_DEST_TARGET_WAN_USB); 46891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS); 46991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1); 4708397703ee0cc9ca27df5c058f60c4d4f1dc69595Trent Piepho return 0; 4718397703ee0cc9ca27df5c058f60c4d4f1dc69595Trent Piepho 4722add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachurb_error: 4732add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_transfer_exit(fc_usb); 4742add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return ret; 4752add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 4762add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 4772add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_init(struct flexcop_usb *fc_usb) 4782add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 4792add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach /* use the alternate setting with the larges buffer */ 4802add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_set_interface(fc_usb->udev,0,1); 4812add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach switch (fc_usb->udev->speed) { 48291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_SPEED_LOW: 48391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla err("cannot handle USB speed because it is too slow."); 48491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return -ENODEV; 48591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 48691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_SPEED_FULL: 48791b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla info("running at FULL speed."); 48891b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 48991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_SPEED_HIGH: 49091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla info("running at HIGH speed."); 49191b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla break; 49291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla case USB_SPEED_UNKNOWN: /* fall through */ 49391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla default: 49491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla err("cannot handle USB speed because it is unknown."); 49591b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla return -ENODEV; 4962add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 4972add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_set_intfdata(fc_usb->uintf, fc_usb); 4982add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return 0; 4992add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 5002add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5012add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic void flexcop_usb_exit(struct flexcop_usb *fc_usb) 5022add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 5032add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach usb_set_intfdata(fc_usb->uintf, NULL); 5042add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 5052add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5062add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic int flexcop_usb_probe(struct usb_interface *intf, 5072add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach const struct usb_device_id *id) 5082add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 5092add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct usb_device *udev = interface_to_usbdev(intf); 5102add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct flexcop_usb *fc_usb = NULL; 5112add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct flexcop_device *fc = NULL; 5122add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach int ret; 5132add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5142add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { 5152add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach err("out of memory\n"); 5162add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return -ENOMEM; 5172add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach } 5182add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 51991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla /* general flexcop init */ 5202add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc_usb = fc->bus_specific; 5212add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc_usb->fc_dev = fc; 5222add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5232add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->read_ibi_reg = flexcop_usb_read_ibi_reg; 5242add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->write_ibi_reg = flexcop_usb_write_ibi_reg; 5252add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->i2c_request = flexcop_usb_i2c_request; 5262add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->get_mac_addr = flexcop_usb_get_mac_addr; 5272add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5282add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->stream_control = flexcop_usb_stream_control; 5292add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5302add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->pid_filtering = 1; 5312add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->bus_type = FC_USB; 5322add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5332add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc->dev = &udev->dev; 53459a7ad6c1ed3a058d375d2e679d73805e4f851acJohannes Stezenbach fc->owner = THIS_MODULE; 5352add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 53691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla /* bus specific part */ 5372add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc_usb->udev = udev; 5382add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach fc_usb->uintf = intf; 5392add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if ((ret = flexcop_usb_init(fc_usb)) != 0) 5402add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach goto err_kfree; 5412add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 54291b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla /* init flexcop */ 5432add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if ((ret = flexcop_device_initialize(fc)) != 0) 5442add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach goto err_usb_exit; 5452add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 54691b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla /* xfer init */ 5472add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) 5482add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach goto err_fc_exit; 5492add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 55091b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla info("%s successfully initialized and connected.", DRIVER_NAME); 5518397703ee0cc9ca27df5c058f60c4d4f1dc69595Trent Piepho return 0; 5528397703ee0cc9ca27df5c058f60c4d4f1dc69595Trent Piepho 5532add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbacherr_fc_exit: 5542add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_device_exit(fc); 5552add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbacherr_usb_exit: 5562add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_exit(fc_usb); 5572add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbacherr_kfree: 5582add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_device_kfree(fc); 5592add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach return ret; 5602add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 5612add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5622add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic void flexcop_usb_disconnect(struct usb_interface *intf) 5632add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach{ 5642add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach struct flexcop_usb *fc_usb = usb_get_intfdata(intf); 5652add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_transfer_exit(fc_usb); 5662add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_device_exit(fc_usb->fc_dev); 5672add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_usb_exit(fc_usb); 5682add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach flexcop_device_kfree(fc_usb->fc_dev); 56991b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla info("%s successfully deinitialized and disconnected.", DRIVER_NAME); 5702add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach} 5712add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5722add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic struct usb_device_id flexcop_usb_table [] = { 57391b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla { USB_DEVICE(0x0af7, 0x0101) }, 57491b94366260fc4d960713c2e76e0fc874ff76992Uwe Bugla { } 5752add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach}; 5766637e6fd2a930567f1878e4585d70b444a9cb3b3Patrick BoettcherMODULE_DEVICE_TABLE (usb, flexcop_usb_table); 5772add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5782add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach/* usb specific object needed to register this driver with the usb subsystem */ 5792add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbachstatic struct usb_driver flexcop_usb_driver = { 58063b5c1c47fd6c5ae26d279756e8a050c721ea379Patrick Boettcher .name = "b2c2_flexcop_usb", 5812add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach .probe = flexcop_usb_probe, 5822add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach .disconnect = flexcop_usb_disconnect, 5832add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach .id_table = flexcop_usb_table, 5842add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach}; 5852add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 586ecb3b2b35db49778b6d89e3ffd0c400776c20735Greg Kroah-Hartmanmodule_usb_driver(flexcop_usb_driver); 5872add87a95068d6457d4e5824d0417d39007665a4Johannes Stezenbach 5882add87a95068d6457d4e5824d0417d39007665a4Johannes StezenbachMODULE_AUTHOR(DRIVER_AUTHOR); 5892add87a95068d6457d4e5824d0417d39007665a4Johannes StezenbachMODULE_DESCRIPTION(DRIVER_NAME); 5902add87a95068d6457d4e5824d0417d39007665a4Johannes StezenbachMODULE_LICENSE("GPL"); 591