forked from luck/tmp_suning_uos_patched
a83ccdd6a9
ERROR: "foo* bar" should be "foo *bar" ERROR: "foo * bar" should be "foo *bar" Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
437 lines
10 KiB
C
437 lines
10 KiB
C
/*
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* Driver for the Siano SMS10xx USB dongle
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*
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* author: Anatoly Greenblat
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*
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* Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation;
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/usb.h>
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#include <linux/firmware.h>
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#include "smscoreapi.h"
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#define USB1_BUFFER_SIZE 0x1000
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#define USB2_BUFFER_SIZE 0x4000
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#define MAX_BUFFERS 50
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#define MAX_URBS 10
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typedef struct _smsusb_device smsusb_device_t;
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typedef struct _smsusb_urb
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{
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smscore_buffer_t *cb;
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smsusb_device_t *dev;
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struct urb urb;
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} smsusb_urb_t;
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typedef struct _smsusb_device
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{
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struct usb_device *udev;
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smscore_device_t *coredev;
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smsusb_urb_t surbs[MAX_URBS];
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int response_alignment;
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int buffer_size;
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} *psmsusb_device_t;
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int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb);
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void smsusb_onresponse(struct urb *urb)
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{
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smsusb_urb_t *surb = (smsusb_urb_t *) urb->context;
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smsusb_device_t *dev = surb->dev;
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if (urb->status < 0)
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{
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printk(KERN_INFO "%s error, urb status %d, %d bytes\n", __func__, urb->status, urb->actual_length);
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return;
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}
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if (urb->actual_length > 0)
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{
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SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) surb->cb->p;
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if (urb->actual_length >= phdr->msgLength)
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{
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surb->cb->size = phdr->msgLength;
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if (dev->response_alignment && (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG))
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{
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surb->cb->offset = dev->response_alignment + ((phdr->msgFlags >> 8) & 3);
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// sanity check
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if (((int) phdr->msgLength + surb->cb->offset) > urb->actual_length)
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{
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printk("%s: invalid response msglen %d offset %d size %d\n", __func__, phdr->msgLength, surb->cb->offset, urb->actual_length);
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goto exit_and_resubmit;
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}
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// move buffer pointer and copy header to its new location
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memcpy((char*) phdr + surb->cb->offset, phdr, sizeof(SmsMsgHdr_ST));
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}
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else
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surb->cb->offset = 0;
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smscore_onresponse(dev->coredev, surb->cb);
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surb->cb = NULL;
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}
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else
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{
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printk("%s invalid response msglen %d actual %d\n", __func__, phdr->msgLength, urb->actual_length);
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}
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}
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exit_and_resubmit:
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smsusb_submit_urb(dev, surb);
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}
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int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb)
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{
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if (!surb->cb)
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{
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surb->cb = smscore_getbuffer(dev->coredev);
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if (!surb->cb)
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{
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printk(KERN_INFO "%s smscore_getbuffer(...) returned NULL\n", __func__);
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return -ENOMEM;
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}
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}
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usb_fill_bulk_urb(
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&surb->urb,
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dev->udev,
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usb_rcvbulkpipe(dev->udev, 0x81),
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surb->cb->p,
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dev->buffer_size,
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smsusb_onresponse,
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surb
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);
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surb->urb.transfer_dma = surb->cb->phys;
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surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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return usb_submit_urb(&surb->urb, GFP_ATOMIC);
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}
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void smsusb_stop_streaming(smsusb_device_t *dev)
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{
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int i;
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for (i = 0; i < MAX_URBS; i ++)
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{
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usb_kill_urb(&dev->surbs[i].urb);
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if (dev->surbs[i].cb)
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{
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smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
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dev->surbs[i].cb = NULL;
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}
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}
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}
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int smsusb_start_streaming(smsusb_device_t *dev)
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{
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int i, rc;
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for (i = 0; i < MAX_URBS; i ++)
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{
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rc = smsusb_submit_urb(dev, &dev->surbs[i]);
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if (rc < 0)
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{
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printk(KERN_INFO "%s smsusb_submit_urb(...) failed\n", __func__);
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smsusb_stop_streaming(dev);
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break;
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}
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}
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return rc;
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}
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int smsusb_sendrequest(void *context, void *buffer, size_t size)
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{
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smsusb_device_t *dev = (smsusb_device_t *) context;
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int dummy;
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return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000);
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}
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char *smsusb1_fw_lkup[] =
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{
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"dvbt_stellar_usb.inp",
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"dvbh_stellar_usb.inp",
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"tdmb_stellar_usb.inp",
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"none",
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"dvbt_bda_stellar_usb.inp",
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};
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int smsusb1_load_firmware(struct usb_device *udev, int id)
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{
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const struct firmware *fw;
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u8 *fw_buffer;
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int rc, dummy;
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if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA)
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{
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printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, id);
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return -EINVAL;
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}
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rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
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if (rc < 0)
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{
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printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", __func__, smsusb1_fw_lkup[id], id);
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return rc;
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}
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fw_buffer = kmalloc(fw->size, GFP_KERNEL);
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if (fw_buffer)
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{
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memcpy(fw_buffer, fw->data, fw->size);
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rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), fw_buffer, fw->size, &dummy, 1000);
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printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", __func__, fw->size, dummy, rc);
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kfree(fw_buffer);
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}
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else
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{
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printk(KERN_INFO "failed to allocate firmware buffer\n");
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rc = -ENOMEM;
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}
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release_firmware(fw);
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return rc;
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}
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void smsusb1_detectmode(void *context, int *mode)
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{
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char *product_string = ((smsusb_device_t *) context)->udev->product;
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*mode = DEVICE_MODE_NONE;
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if (!product_string)
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{
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product_string = "none";
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printk("%s product string not found\n", __func__);
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}
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else
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{
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if (strstr(product_string, "DVBH"))
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*mode = 1;
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else if (strstr(product_string, "BDA"))
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*mode = 4;
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else if (strstr(product_string, "DVBT"))
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*mode = 0;
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else if (strstr(product_string, "TDMB"))
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*mode = 2;
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}
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printk("%s: %d \"%s\"\n", __func__, *mode, product_string);
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}
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int smsusb1_setmode(void *context, int mode)
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{
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SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
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if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA)
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{
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printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, mode);
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return -EINVAL;
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}
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return smsusb_sendrequest(context, &Msg, sizeof(Msg));
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}
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void smsusb_term_device(struct usb_interface *intf)
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{
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smsusb_device_t *dev = (smsusb_device_t*) usb_get_intfdata(intf);
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if (dev)
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{
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smsusb_stop_streaming(dev);
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// unregister from smscore
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if (dev->coredev)
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smscore_unregister_device(dev->coredev);
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kfree(dev);
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printk(KERN_INFO "%s device %p destroyed\n", __func__, dev);
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}
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usb_set_intfdata(intf, NULL);
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}
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int smsusb_init_device(struct usb_interface *intf)
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{
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smsdevice_params_t params;
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smsusb_device_t *dev;
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int i, rc;
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// create device object
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dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL);
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if (!dev)
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{
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printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", __func__);
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return -ENOMEM;
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}
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memset(¶ms, 0, sizeof(params));
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usb_set_intfdata(intf, dev);
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dev->udev = interface_to_usbdev(intf);
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switch (dev->udev->descriptor.idProduct)
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{
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case 0x100:
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dev->buffer_size = USB1_BUFFER_SIZE;
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params.setmode_handler = smsusb1_setmode;
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params.detectmode_handler = smsusb1_detectmode;
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break;
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default:
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dev->buffer_size = USB2_BUFFER_SIZE;
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dev->response_alignment = dev->udev->ep_in[1]->desc.wMaxPacketSize - sizeof(SmsMsgHdr_ST);
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params.flags |= SMS_DEVICE_FAMILY2;
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break;
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}
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params.device = &dev->udev->dev;
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params.buffer_size = dev->buffer_size;
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params.num_buffers = MAX_BUFFERS;
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params.sendrequest_handler = smsusb_sendrequest;
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params.context = dev;
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snprintf(params.devpath, sizeof(params.devpath), "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
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// register in smscore
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rc = smscore_register_device(¶ms, &dev->coredev);
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if (rc < 0)
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{
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printk(KERN_INFO "%s smscore_register_device(...) failed, rc %d\n", __func__, rc);
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smsusb_term_device(intf);
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return rc;
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}
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// initialize urbs
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for (i = 0; i < MAX_URBS; i ++)
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{
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dev->surbs[i].dev = dev;
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usb_init_urb(&dev->surbs[i].urb);
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}
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rc = smsusb_start_streaming(dev);
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if (rc < 0)
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{
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printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", __func__);
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smsusb_term_device(intf);
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return rc;
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}
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rc = smscore_start_device(dev->coredev);
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if (rc < 0)
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{
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printk(KERN_INFO "%s smscore_start_device(...) failed\n", __func__);
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smsusb_term_device(intf);
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return rc;
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}
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printk(KERN_INFO "%s device %p created\n", __func__, dev);
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return rc;
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}
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int smsusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
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{
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struct usb_device *udev = interface_to_usbdev(intf);
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char devpath[32];
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int i, rc;
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if (intf->num_altsetting > 0)
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{
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rc = usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
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if (rc < 0)
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{
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printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", __func__, rc);
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return rc;
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}
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}
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printk(KERN_INFO "smsusb_probe %d\n", intf->cur_altsetting->desc.bInterfaceNumber);
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for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i ++)
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printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
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if (udev->actconfig->desc.bNumInterfaces == 2 && intf->cur_altsetting->desc.bInterfaceNumber == 0)
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{
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printk(KERN_INFO "rom interface 0 is not used\n");
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return -ENODEV;
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}
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if (intf->cur_altsetting->desc.bInterfaceNumber == 1)
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{
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snprintf(devpath, 32, "%d:%s", udev->bus->busnum, udev->devpath);
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return smsusb1_load_firmware(udev, smscore_registry_getmode(devpath));
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}
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return smsusb_init_device(intf);
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}
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void smsusb_disconnect(struct usb_interface *intf)
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{
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smsusb_term_device(intf);
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}
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static struct usb_device_id smsusb_id_table [] = {
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{ USB_DEVICE(0x187F, 0x0010) },
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{ USB_DEVICE(0x187F, 0x0100) },
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{ USB_DEVICE(0x187F, 0x0200) },
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE (usb, smsusb_id_table);
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static struct usb_driver smsusb_driver = {
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.name = "smsusb",
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.probe = smsusb_probe,
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.disconnect = smsusb_disconnect,
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.id_table = smsusb_id_table,
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};
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int smsusb_register(void)
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{
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int rc = usb_register(&smsusb_driver);
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if (rc)
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printk(KERN_INFO "usb_register failed. Error number %d\n", rc);
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printk(KERN_INFO "%s\n", __func__);
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return rc;
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}
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void smsusb_unregister(void)
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{
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/* Regular USB Cleanup */
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usb_deregister(&smsusb_driver);
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printk(KERN_INFO "%s\n", __func__);
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}
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