| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Pierrick Hascoet | 1544 | 79.71% | 1 | 4.35% |
| Devin Heitmueller | 153 | 7.90% | 3 | 13.04% |
| Martin Kepplinger | 77 | 3.98% | 1 | 4.35% |
| Gianluca Gennari | 64 | 3.30% | 3 | 13.04% |
| Alexey Khoroshilov | 36 | 1.86% | 1 | 4.35% |
| Julia Lawall | 24 | 1.24% | 2 | 8.70% |
| Piotr Chmura | 13 | 0.67% | 2 | 8.70% |
| Sylwester Nawrocki | 12 | 0.62% | 4 | 17.39% |
| Greg Kroah-Hartman | 7 | 0.36% | 1 | 4.35% |
| Jim Cromie | 2 | 0.10% | 1 | 4.35% |
| Peter Senna Tschudin | 2 | 0.10% | 1 | 4.35% |
| Arvind Yadav | 1 | 0.05% | 1 | 4.35% |
| Mauro Carvalho Chehab | 1 | 0.05% | 1 | 4.35% |
| Mauro Dreissig | 1 | 0.05% | 1 | 4.35% |
| Total | 1937 | 23 |
/* * Abilis Systems Single DVB-T Receiver * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com> * Copyright (C) 2010 Devin Heitmueller <dheitmueller@kernellabs.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/mm.h> #include <linux/usb.h> #include "as102_drv.h" #include "as102_usb_drv.h" #include "as102_fw.h" static void as102_usb_disconnect(struct usb_interface *interface); static int as102_usb_probe(struct usb_interface *interface, const struct usb_device_id *id); static int as102_usb_start_stream(struct as102_dev_t *dev); static void as102_usb_stop_stream(struct as102_dev_t *dev); static int as102_open(struct inode *inode, struct file *file); static int as102_release(struct inode *inode, struct file *file); static const struct usb_device_id as102_usb_id_table[] = { { USB_DEVICE(AS102_USB_DEVICE_VENDOR_ID, AS102_USB_DEVICE_PID_0001) }, { USB_DEVICE(PCTV_74E_USB_VID, PCTV_74E_USB_PID) }, { USB_DEVICE(ELGATO_EYETV_DTT_USB_VID, ELGATO_EYETV_DTT_USB_PID) }, { USB_DEVICE(NBOX_DVBT_DONGLE_USB_VID, NBOX_DVBT_DONGLE_USB_PID) }, { USB_DEVICE(SKY_IT_DIGITAL_KEY_USB_VID, SKY_IT_DIGITAL_KEY_USB_PID) }, { } /* Terminating entry */ }; /* Note that this table must always have the same number of entries as the as102_usb_id_table struct */ static const char * const as102_device_names[] = { AS102_REFERENCE_DESIGN, AS102_PCTV_74E, AS102_ELGATO_EYETV_DTT_NAME, AS102_NBOX_DVBT_DONGLE_NAME, AS102_SKY_IT_DIGITAL_KEY_NAME, NULL /* Terminating entry */ }; /* eLNA configuration: devices built on the reference design work best with 0xA0, while custom designs seem to require 0xC0 */ static uint8_t const as102_elna_cfg[] = { 0xA0, 0xC0, 0xC0, 0xA0, 0xA0, 0x00 /* Terminating entry */ }; struct usb_driver as102_usb_driver = { .name = DRIVER_FULL_NAME, .probe = as102_usb_probe, .disconnect = as102_usb_disconnect, .id_table = as102_usb_id_table }; static const struct file_operations as102_dev_fops = { .owner = THIS_MODULE, .open = as102_open, .release = as102_release, }; static struct usb_class_driver as102_usb_class_driver = { .name = "aton2-%d", .fops = &as102_dev_fops, .minor_base = AS102_DEVICE_MAJOR, }; static int as102_usb_xfer_cmd(struct as10x_bus_adapter_t *bus_adap, unsigned char *send_buf, int send_buf_len, unsigned char *recv_buf, int recv_buf_len) { int ret = 0; if (send_buf != NULL) { ret = usb_control_msg(bus_adap->usb_dev, usb_sndctrlpipe(bus_adap->usb_dev, 0), AS102_USB_DEVICE_TX_CTRL_CMD, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, bus_adap->cmd_xid, /* value */ 0, /* index */ send_buf, send_buf_len, USB_CTRL_SET_TIMEOUT /* 200 */); if (ret < 0) { dev_dbg(&bus_adap->usb_dev->dev, "usb_control_msg(send) failed, err %i\n", ret); return ret; } if (ret != send_buf_len) { dev_dbg(&bus_adap->usb_dev->dev, "only wrote %d of %d bytes\n", ret, send_buf_len); return -1; } } if (recv_buf != NULL) { #ifdef TRACE dev_dbg(bus_adap->usb_dev->dev, "want to read: %d bytes\n", recv_buf_len); #endif ret = usb_control_msg(bus_adap->usb_dev, usb_rcvctrlpipe(bus_adap->usb_dev, 0), AS102_USB_DEVICE_RX_CTRL_CMD, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, bus_adap->cmd_xid, /* value */ 0, /* index */ recv_buf, recv_buf_len, USB_CTRL_GET_TIMEOUT /* 200 */); if (ret < 0) { dev_dbg(&bus_adap->usb_dev->dev, "usb_control_msg(recv) failed, err %i\n", ret); return ret; } #ifdef TRACE dev_dbg(bus_adap->usb_dev->dev, "read %d bytes\n", recv_buf_len); #endif } return ret; } static int as102_send_ep1(struct as10x_bus_adapter_t *bus_adap, unsigned char *send_buf, int send_buf_len, int swap32) { int ret, actual_len; ret = usb_bulk_msg(bus_adap->usb_dev, usb_sndbulkpipe(bus_adap->usb_dev, 1), send_buf, send_buf_len, &actual_len, 200); if (ret) { dev_dbg(&bus_adap->usb_dev->dev, "usb_bulk_msg(send) failed, err %i\n", ret); return ret; } if (actual_len != send_buf_len) { dev_dbg(&bus_adap->usb_dev->dev, "only wrote %d of %d bytes\n", actual_len, send_buf_len); return -1; } return actual_len; } static int as102_read_ep2(struct as10x_bus_adapter_t *bus_adap, unsigned char *recv_buf, int recv_buf_len) { int ret, actual_len; if (recv_buf == NULL) return -EINVAL; ret = usb_bulk_msg(bus_adap->usb_dev, usb_rcvbulkpipe(bus_adap->usb_dev, 2), recv_buf, recv_buf_len, &actual_len, 200); if (ret) { dev_dbg(&bus_adap->usb_dev->dev, "usb_bulk_msg(recv) failed, err %i\n", ret); return ret; } if (actual_len != recv_buf_len) { dev_dbg(&bus_adap->usb_dev->dev, "only read %d of %d bytes\n", actual_len, recv_buf_len); return -1; } return actual_len; } static const struct as102_priv_ops_t as102_priv_ops = { .upload_fw_pkt = as102_send_ep1, .xfer_cmd = as102_usb_xfer_cmd, .as102_read_ep2 = as102_read_ep2, .start_stream = as102_usb_start_stream, .stop_stream = as102_usb_stop_stream, }; static int as102_submit_urb_stream(struct as102_dev_t *dev, struct urb *urb) { int err; usb_fill_bulk_urb(urb, dev->bus_adap.usb_dev, usb_rcvbulkpipe(dev->bus_adap.usb_dev, 0x2), urb->transfer_buffer, AS102_USB_BUF_SIZE, as102_urb_stream_irq, dev); err = usb_submit_urb(urb, GFP_ATOMIC); if (err) dev_dbg(&urb->dev->dev, "%s: usb_submit_urb failed\n", __func__); return err; } void as102_urb_stream_irq(struct urb *urb) { struct as102_dev_t *as102_dev = urb->context; if (urb->actual_length > 0) { dvb_dmx_swfilter(&as102_dev->dvb_dmx, urb->transfer_buffer, urb->actual_length); } else { if (urb->actual_length == 0) memset(urb->transfer_buffer, 0, AS102_USB_BUF_SIZE); } /* is not stopped, re-submit urb */ if (as102_dev->streaming) as102_submit_urb_stream(as102_dev, urb); } static void as102_free_usb_stream_buffer(struct as102_dev_t *dev) { int i; for (i = 0; i < MAX_STREAM_URB; i++) usb_free_urb(dev->stream_urb[i]); usb_free_coherent(dev->bus_adap.usb_dev, MAX_STREAM_URB * AS102_USB_BUF_SIZE, dev->stream, dev->dma_addr); } static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) { int i; dev->stream = usb_alloc_coherent(dev->bus_adap.usb_dev, MAX_STREAM_URB * AS102_USB_BUF_SIZE, GFP_KERNEL, &dev->dma_addr); if (!dev->stream) { dev_dbg(&dev->bus_adap.usb_dev->dev, "%s: usb_buffer_alloc failed\n", __func__); return -ENOMEM; } memset(dev->stream, 0, MAX_STREAM_URB * AS102_USB_BUF_SIZE); /* init urb buffers */ for (i = 0; i < MAX_STREAM_URB; i++) { struct urb *urb; urb = usb_alloc_urb(0, GFP_ATOMIC); if (urb == NULL) { as102_free_usb_stream_buffer(dev); return -ENOMEM; } urb->transfer_buffer = dev->stream + (i * AS102_USB_BUF_SIZE); urb->transfer_dma = dev->dma_addr + (i * AS102_USB_BUF_SIZE); urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; urb->transfer_buffer_length = AS102_USB_BUF_SIZE; dev->stream_urb[i] = urb; } return 0; } static void as102_usb_stop_stream(struct as102_dev_t *dev) { int i; for (i = 0; i < MAX_STREAM_URB; i++) usb_kill_urb(dev->stream_urb[i]); } static int as102_usb_start_stream(struct as102_dev_t *dev) { int i, ret = 0; for (i = 0; i < MAX_STREAM_URB; i++) { ret = as102_submit_urb_stream(dev, dev->stream_urb[i]); if (ret) { as102_usb_stop_stream(dev); return ret; } } return 0; } static void as102_usb_release(struct kref *kref) { struct as102_dev_t *as102_dev; as102_dev = container_of(kref, struct as102_dev_t, kref); if (as102_dev != NULL) { usb_put_dev(as102_dev->bus_adap.usb_dev); kfree(as102_dev); } } static void as102_usb_disconnect(struct usb_interface *intf) { struct as102_dev_t *as102_dev; /* extract as102_dev_t from usb_device private data */ as102_dev = usb_get_intfdata(intf); /* unregister dvb layer */ as102_dvb_unregister(as102_dev); /* free usb buffers */ as102_free_usb_stream_buffer(as102_dev); usb_set_intfdata(intf, NULL); /* usb unregister device */ usb_deregister_dev(intf, &as102_usb_class_driver); /* decrement usage counter */ kref_put(&as102_dev->kref, as102_usb_release); pr_info("%s: device has been disconnected\n", DRIVER_NAME); } static int as102_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { int ret; struct as102_dev_t *as102_dev; int i; /* This should never actually happen */ if (ARRAY_SIZE(as102_usb_id_table) != (sizeof(as102_device_names) / sizeof(const char *))) { pr_err("Device names table invalid size"); return -EINVAL; } as102_dev = kzalloc(sizeof(struct as102_dev_t), GFP_KERNEL); if (as102_dev == NULL) return -ENOMEM; /* Assign the user-friendly device name */ for (i = 0; i < ARRAY_SIZE(as102_usb_id_table); i++) { if (id == &as102_usb_id_table[i]) { as102_dev->name = as102_device_names[i]; as102_dev->elna_cfg = as102_elna_cfg[i]; } } if (as102_dev->name == NULL) as102_dev->name = "Unknown AS102 device"; /* set private callback functions */ as102_dev->bus_adap.ops = &as102_priv_ops; /* init cmd token for usb bus */ as102_dev->bus_adap.cmd = &as102_dev->bus_adap.token.usb.c; as102_dev->bus_adap.rsp = &as102_dev->bus_adap.token.usb.r; /* init kernel device reference */ kref_init(&as102_dev->kref); /* store as102 device to usb_device private data */ usb_set_intfdata(intf, (void *) as102_dev); /* store in as102 device the usb_device pointer */ as102_dev->bus_adap.usb_dev = usb_get_dev(interface_to_usbdev(intf)); /* we can register the device now, as it is ready */ ret = usb_register_dev(intf, &as102_usb_class_driver); if (ret < 0) { /* something prevented us from registering this driver */ dev_err(&intf->dev, "%s: usb_register_dev() failed (errno = %d)\n", __func__, ret); goto failed; } pr_info("%s: device has been detected\n", DRIVER_NAME); /* request buffer allocation for streaming */ ret = as102_alloc_usb_stream_buffer(as102_dev); if (ret != 0) goto failed_stream; /* register dvb layer */ ret = as102_dvb_register(as102_dev); if (ret != 0) goto failed_dvb; return ret; failed_dvb: as102_free_usb_stream_buffer(as102_dev); failed_stream: usb_deregister_dev(intf, &as102_usb_class_driver); failed: usb_put_dev(as102_dev->bus_adap.usb_dev); usb_set_intfdata(intf, NULL); kfree(as102_dev); return ret; } static int as102_open(struct inode *inode, struct file *file) { int ret = 0, minor = 0; struct usb_interface *intf = NULL; struct as102_dev_t *dev = NULL; /* read minor from inode */ minor = iminor(inode); /* fetch device from usb interface */ intf = usb_find_interface(&as102_usb_driver, minor); if (intf == NULL) { pr_err("%s: can't find device for minor %d\n", __func__, minor); ret = -ENODEV; goto exit; } /* get our device */ dev = usb_get_intfdata(intf); if (dev == NULL) { ret = -EFAULT; goto exit; } /* save our device object in the file's private structure */ file->private_data = dev; /* increment our usage count for the device */ kref_get(&dev->kref); exit: return ret; } static int as102_release(struct inode *inode, struct file *file) { struct as102_dev_t *dev = NULL; dev = file->private_data; if (dev != NULL) { /* decrement the count on our device */ kref_put(&dev->kref, as102_usb_release); } return 0; } MODULE_DEVICE_TABLE(usb, as102_usb_id_table);
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