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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 16:35:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:30:06 -0300
commit25aee3debe0464f6c680173041fa3de30ec9ff54 (patch)
treee2b14f952a0831399f9cbb444cfb9c7980b6485b /drivers/media/dvb/b2c2/flexcop-usb.c
parent786baecfe78f8e25547c628b48a60fc8e5636056 (diff)
[media] Rename media/dvb as media/pci
The remaining dvb drivers are pci, so rename them to match the bus. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-usb.c')
-rw-r--r--drivers/media/dvb/b2c2/flexcop-usb.c587
1 files changed, 0 insertions, 587 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-usb.c b/drivers/media/dvb/b2c2/flexcop-usb.c
deleted file mode 100644
index 8b6275f85908..000000000000
--- a/drivers/media/dvb/b2c2/flexcop-usb.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * Linux driver for 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) do {\
- int i; \
- for (i = 0; i < l; i++) \
- method("%02x ", b[i]); \
- method("\n"); \
-} while (0)
-
-#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 (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 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;
- 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;
- pipe = B2C2_USB_CTRL_PIPE_OUT;
- break;
- case B2C2_USB_FLASH_BLOCK:
- request_type |= USB_DIR_OUT;
- nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
- 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));
-
- ret = flexcop_usb_v8_memory_req(fc_usb, req,
- page_start + (addr / V8_MEMORY_PAGE_SIZE),
- (addr & V8_MEMORY_PAGE_MASK) |
- (V8_MEMORY_EXTENDED*extended),
- &buf[i], pagechunk);
-
- if (ret < 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;
- 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 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;
- request_type |= USB_DIR_OUT;
- break;
- case USB_FUNC_I2C_READ:
- case USB_FUNC_I2C_REPEATREAD:
- pipe = B2C2_USB_CTRL_PIPE_IN;
- nWaitTime = 2;
- 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 %*ph\n", 4, b+2);
- 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++) {
- fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,
- GFP_ATOMIC);
- if (fc_usb->iso_urb[i] == NULL) {
- 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 too 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 unknown.");
- 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_usb_driver(flexcop_usb_driver);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_NAME);
-MODULE_LICENSE("GPL");