diff options
Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-usb.c')
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-usb.c | 578 |
1 files changed, 0 insertions, 578 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-usb.c b/drivers/media/dvb/b2c2/flexcop-usb.c deleted file mode 100644 index ae0d76a5d51..00000000000 --- a/drivers/media/dvb/b2c2/flexcop-usb.c +++ /dev/null @@ -1,578 +0,0 @@ -/* - * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III - * - * flexcop-usb.c - covers the USB part. - * - * see flexcop.c for copyright information. - */ - -#define FC_LOG_PREFIX "flexcop_usb" -#include "flexcop-usb.h" -#include "flexcop-common.h" - -/* Version information */ -#define DRIVER_VERSION "0.1" -#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver" -#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>" - -/* debug */ -#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG -#define dprintk(level,args...) \ - do { if ((debug & level)) { printk(args); } } while (0) -#define debug_dump(b,l,method) {\ - int i; \ - for (i = 0; i < l; i++) method("%02x ", b[i]); \ - method("\n");\ -} - -#define DEBSTATUS "" -#else -#define dprintk(level,args...) -#define debug_dump(b,l,method) -#define DEBSTATUS " (debugging is not enabled)" -#endif - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS); -#undef DEBSTATUS - -#define deb_info(args...) dprintk(0x01,args) -#define deb_ts(args...) dprintk(0x02,args) -#define deb_ctrl(args...) dprintk(0x04,args) -#define deb_i2c(args...) dprintk(0x08,args) -#define deb_v8(args...) dprintk(0x10,args) - -/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits - * in the IBI address, to make the V8 code simpler. - * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used) - * in general: 0000 0HHH 000L LL00 - * IBI ADDRESS FORMAT: RHHH BLLL - * - * where R is the read(1)/write(0) bit, B is the busy bit - * and HHH and LLL are the two sets of three bits from the PCI address. - */ -#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70)) -#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4)) - -/* - * DKT 020228 - * - forget about this VENDOR_BUFFER_SIZE, read and write register - * deal with DWORD or 4 bytes, that should be should from now on - * - from now on, we don't support anything older than firm 1.00 - * I eliminated the write register as a 2 trip of writing hi word and lo word - * and force this to write only 4 bytes at a time. - * NOTE: this should work with all the firmware from 1.00 and newer - */ -static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read) -{ - struct flexcop_usb *fc_usb = fc->bus_specific; - u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG; - u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; - u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0); - - int len = usb_control_msg(fc_usb->udev, - read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, - request, - request_type, /* 0xc0 read or 0x40 write*/ - wAddress, - 0, - val, - sizeof(u32), - B2C2_WAIT_FOR_OPERATION_RDW * HZ); - - if (len != sizeof(u32)) { - err("error while %s dword from %d (%d).",read ? "reading" : "writing", - wAddress,wRegOffsPCI); - return -EIO; - } - return 0; -} - -/* - * DKT 010817 - add support for V8 memory read/write and flash update - */ -static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, - flexcop_usb_request_t req, u8 page, u16 wAddress, - u8 *pbBuffer,u32 buflen) -{ -// u8 dwRequestType; - u8 request_type = USB_TYPE_VENDOR; - u16 wIndex; - int nWaitTime,pipe,len; - - wIndex = page << 8; - - switch (req) { - case B2C2_USB_READ_V8_MEM: - nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; - request_type |= USB_DIR_IN; -// dwRequestType = (u8) RTYPE_READ_V8_MEMORY; - pipe = B2C2_USB_CTRL_PIPE_IN; - break; - case B2C2_USB_WRITE_V8_MEM: - wIndex |= pbBuffer[0]; - request_type |= USB_DIR_OUT; - nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE; -// dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY; - pipe = B2C2_USB_CTRL_PIPE_OUT; - break; - case B2C2_USB_FLASH_BLOCK: - request_type |= USB_DIR_OUT; - nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH; -// dwRequestType = (u8) RTYPE_WRITE_V8_FLASH; - pipe = B2C2_USB_CTRL_PIPE_OUT; - break; - default: - deb_info("unsupported request for v8_mem_req %x.\n",req); - return -EINVAL; - } - deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req, - wAddress,wIndex,buflen); - - len = usb_control_msg(fc_usb->udev,pipe, - req, - request_type, - wAddress, - wIndex, - pbBuffer, - buflen, - nWaitTime * HZ); - - debug_dump(pbBuffer,len,deb_v8); - - return len == buflen ? 0 : -EIO; -} - -#define bytes_left_to_read_on_page(paddr,buflen) \ - ((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \ - ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK))) - -static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req, - flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len) -{ - int i,ret = 0; - u16 wMax; - u32 pagechunk = 0; - - switch(req) { - case B2C2_USB_READ_V8_MEM: wMax = USB_MEM_READ_MAX; break; - case B2C2_USB_WRITE_V8_MEM: wMax = USB_MEM_WRITE_MAX; break; - case B2C2_USB_FLASH_BLOCK: wMax = USB_FLASH_MAX; break; - default: - return -EINVAL; - break; - } - for (i = 0; i < len;) { - pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len); - deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended)); - if ((ret = flexcop_usb_v8_memory_req(fc_usb,req, - page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */ - (addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended), - &buf[i],pagechunk)) < 0) - return ret; - - addr += pagechunk; - len -= pagechunk; - } - return 0; -} - -static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) -{ - return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM, - V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6); -} - -#if 0 -static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set, - flexcop_usb_utility_function_t func, u8 extra, u16 wIndex, - u16 buflen, u8 *pvBuffer) -{ - u16 wValue; - u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR; -// u8 dwRequestType = (u8) RTYPE_GENERIC, - int nWaitTime = 2, - pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, - len; - - wValue = (func << 8) | extra; - - len = usb_control_msg(fc_usb->udev,pipe, - B2C2_USB_UTILITY, - request_type, - wValue, - wIndex, - pvBuffer, - buflen, - nWaitTime * HZ); - return len == buflen ? 0 : -EIO; -} -#endif - -/* usb i2c stuff */ -static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, - flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, - u8 chipaddr, u8 addr, u8 *buf, u8 buflen) -{ - struct flexcop_usb *fc_usb = i2c->fc->bus_specific; - u16 wValue, wIndex; - int nWaitTime,pipe,len; -// u8 dwRequestType; - u8 request_type = USB_TYPE_VENDOR; - - switch (func) { - case USB_FUNC_I2C_WRITE: - case USB_FUNC_I2C_MULTIWRITE: - case USB_FUNC_I2C_REPEATWRITE: - /* DKT 020208 - add this to support special case of DiSEqC */ - case USB_FUNC_I2C_CHECKWRITE: - pipe = B2C2_USB_CTRL_PIPE_OUT; - nWaitTime = 2; -// dwRequestType = (u8) RTYPE_GENERIC; - request_type |= USB_DIR_OUT; - break; - case USB_FUNC_I2C_READ: - case USB_FUNC_I2C_REPEATREAD: - pipe = B2C2_USB_CTRL_PIPE_IN; - nWaitTime = 2; -// dwRequestType = (u8) RTYPE_GENERIC; - request_type |= USB_DIR_IN; - break; - default: - deb_info("unsupported function for i2c_req %x\n",func); - return -EINVAL; - } - wValue = (func << 8) | (i2c->port << 4); - wIndex = (chipaddr << 8 ) | addr; - - deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req, - wValue & 0xff, wValue >> 8, wIndex & 0xff, wIndex >> 8); - - len = usb_control_msg(fc_usb->udev,pipe, - req, - request_type, - wValue, - wIndex, - buf, - buflen, - nWaitTime * HZ); - - return len == buflen ? 0 : -EREMOTEIO; -} - -/* actual bus specific access functions, make sure prototype are/will be equal to pci */ -static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg) -{ - flexcop_ibi_value val; - val.raw = 0; - flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1); - return val; -} - -static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val) -{ - return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0); -} - -static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c, - flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len) -{ - if (op == FC_READ) - return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, - USB_FUNC_I2C_READ, chipaddr, addr, buf, len); - else - return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST, - USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len); -} - -static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length) -{ - u8 *b; - int l; - - deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length); - - if (fc_usb->tmp_buffer_length > 0) { - memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length); - fc_usb->tmp_buffer_length += buffer_length; - b = fc_usb->tmp_buffer; - l = fc_usb->tmp_buffer_length; - } else { - b=buffer; - l=buffer_length; - } - - while (l >= 190) { - if (*b == 0xff) - switch (*(b+1) & 0x03) { - case 0x01: /* media packet */ - if ( *(b+2) == 0x47 ) - flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1); - else - deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) ); - - b += 190; - l -= 190; - break; - default: - deb_ts("wrong packet type\n"); - l = 0; - break; - } - else { - deb_ts("wrong header\n"); - l = 0; - } - } - - if (l>0) - memcpy(fc_usb->tmp_buffer, b, l); - fc_usb->tmp_buffer_length = l; -} - -static void flexcop_usb_urb_complete(struct urb *urb) -{ - struct flexcop_usb *fc_usb = urb->context; - int i; - - if (urb->actual_length > 0) - deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length); - - for (i = 0; i < urb->number_of_packets; i++) { - if (urb->iso_frame_desc[i].status < 0) { - err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status); - } else - if (urb->iso_frame_desc[i].actual_length > 0) { - deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length); - - flexcop_usb_process_frame(fc_usb, - urb->transfer_buffer + urb->iso_frame_desc[i].offset, - urb->iso_frame_desc[i].actual_length); - } - urb->iso_frame_desc[i].status = 0; - urb->iso_frame_desc[i].actual_length = 0; - } - - usb_submit_urb(urb,GFP_ATOMIC); -} - -static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff) -{ - /* submit/kill iso packets */ - return 0; -} - -static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) -{ - int i; - for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) - if (fc_usb->iso_urb[i] != NULL) { - deb_ts("unlinking/killing urb no. %d\n",i); - usb_kill_urb(fc_usb->iso_urb[i]); - usb_free_urb(fc_usb->iso_urb[i]); - } - - if (fc_usb->iso_buffer != NULL) - pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr); -} - -static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) -{ - u16 frame_size = le16_to_cpu(fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); - int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret; - int buffer_offset = 0; - - deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", - B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize); - - fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr); - if (fc_usb->iso_buffer == NULL) - return -ENOMEM; - memset(fc_usb->iso_buffer, 0, bufsize); - fc_usb->buffer_size = bufsize; - - /* creating iso urbs */ - for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) - if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) { - ret = -ENOMEM; - goto urb_error; - } - /* initialising and submitting iso urbs */ - for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) { - int frame_offset = 0; - struct urb *urb = fc_usb->iso_urb[i]; - deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset); - - urb->dev = fc_usb->udev; - urb->context = fc_usb; - urb->complete = flexcop_usb_urb_complete; - urb->pipe = B2C2_USB_DATA_PIPE; - urb->transfer_flags = URB_ISO_ASAP; - urb->interval = 1; - urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO; - urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO; - urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset; - - buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO; - for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) { - deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset); - urb->iso_frame_desc[j].offset = frame_offset; - urb->iso_frame_desc[j].length = frame_size; - frame_offset += frame_size; - } - - if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) { - err("submitting urb %d failed with %d.",i,ret); - goto urb_error; - } - deb_ts("submitted urb no. %d.\n",i); - } - -/* SRAM */ - - flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET | - FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB); - flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS); - flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1); - - return 0; - -urb_error: - flexcop_usb_transfer_exit(fc_usb); - return ret; -} - -static int flexcop_usb_init(struct flexcop_usb *fc_usb) -{ - /* use the alternate setting with the larges buffer */ - usb_set_interface(fc_usb->udev,0,1); - switch (fc_usb->udev->speed) { - case USB_SPEED_LOW: - err("cannot handle USB speed because it is to sLOW."); - return -ENODEV; - break; - case USB_SPEED_FULL: - info("running at FULL speed."); - break; - case USB_SPEED_HIGH: - info("running at HIGH speed."); - break; - case USB_SPEED_UNKNOWN: /* fall through */ - default: - err("cannot handle USB speed because it is unkown."); - return -ENODEV; - } - usb_set_intfdata(fc_usb->uintf, fc_usb); - return 0; -} - -static void flexcop_usb_exit(struct flexcop_usb *fc_usb) -{ - usb_set_intfdata(fc_usb->uintf, NULL); -} - -static int flexcop_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - struct flexcop_usb *fc_usb = NULL; - struct flexcop_device *fc = NULL; - int ret; - - if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) { - err("out of memory\n"); - return -ENOMEM; - } - -/* general flexcop init */ - fc_usb = fc->bus_specific; - fc_usb->fc_dev = fc; - - fc->read_ibi_reg = flexcop_usb_read_ibi_reg; - fc->write_ibi_reg = flexcop_usb_write_ibi_reg; - fc->i2c_request = flexcop_usb_i2c_request; - fc->get_mac_addr = flexcop_usb_get_mac_addr; - - fc->stream_control = flexcop_usb_stream_control; - - fc->pid_filtering = 1; - fc->bus_type = FC_USB; - - fc->dev = &udev->dev; - fc->owner = THIS_MODULE; - -/* bus specific part */ - fc_usb->udev = udev; - fc_usb->uintf = intf; - if ((ret = flexcop_usb_init(fc_usb)) != 0) - goto err_kfree; - -/* init flexcop */ - if ((ret = flexcop_device_initialize(fc)) != 0) - goto err_usb_exit; - -/* xfer init */ - if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0) - goto err_fc_exit; - - info("%s successfully initialized and connected.",DRIVER_NAME); - return 0; - -err_fc_exit: - flexcop_device_exit(fc); -err_usb_exit: - flexcop_usb_exit(fc_usb); -err_kfree: - flexcop_device_kfree(fc); - return ret; -} - -static void flexcop_usb_disconnect(struct usb_interface *intf) -{ - struct flexcop_usb *fc_usb = usb_get_intfdata(intf); - flexcop_usb_transfer_exit(fc_usb); - flexcop_device_exit(fc_usb->fc_dev); - flexcop_usb_exit(fc_usb); - flexcop_device_kfree(fc_usb->fc_dev); - info("%s successfully deinitialized and disconnected.",DRIVER_NAME); -} - -static struct usb_device_id flexcop_usb_table [] = { - { USB_DEVICE(0x0af7, 0x0101) }, - { } -}; -MODULE_DEVICE_TABLE (usb, flexcop_usb_table); - -/* usb specific object needed to register this driver with the usb subsystem */ -static struct usb_driver flexcop_usb_driver = { - .name = "b2c2_flexcop_usb", - .probe = flexcop_usb_probe, - .disconnect = flexcop_usb_disconnect, - .id_table = flexcop_usb_table, -}; - -/* module stuff */ -static int __init flexcop_usb_module_init(void) -{ - int result; - if ((result = usb_register(&flexcop_usb_driver))) { - err("usb_register failed. (%d)",result); - return result; - } - - return 0; -} - -static void __exit flexcop_usb_module_exit(void) -{ - /* deregister this driver from the USB subsystem */ - usb_deregister(&flexcop_usb_driver); -} - -module_init(flexcop_usb_module_init); -module_exit(flexcop_usb_module_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_NAME); -MODULE_LICENSE("GPL"); |