diff options
Diffstat (limited to 'drivers/media/usb/tm6000/tm6000-dvb.c')
| -rw-r--r-- | drivers/media/usb/tm6000/tm6000-dvb.c | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c b/drivers/media/usb/tm6000/tm6000-dvb.c deleted file mode 100644 index ee04973cbf93..000000000000 --- a/drivers/media/usb/tm6000/tm6000-dvb.c +++ /dev/null @@ -1,454 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * tm6000-dvb.c - dvb-t support for TM5600/TM6000/TM6010 USB video capture devices - * - * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/usb.h> - -#include "tm6000.h" -#include "tm6000-regs.h" - -#include "zl10353.h" - -#include <media/tuner.h> - -#include "xc2028.h" -#include "xc5000.h" - -MODULE_DESCRIPTION("DVB driver extension module for tm5600/6000/6010 based TV cards"); -MODULE_AUTHOR("Mauro Carvalho Chehab"); -MODULE_LICENSE("GPL"); - -static int debug; - -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable debug message"); - -static inline void print_err_status(struct tm6000_core *dev, - int packet, int status) -{ - char *errmsg = "Unknown"; - - switch (status) { - case -ENOENT: - errmsg = "unlinked synchronously"; - break; - case -ECONNRESET: - errmsg = "unlinked asynchronously"; - break; - case -ENOSR: - errmsg = "Buffer error (overrun)"; - break; - case -EPIPE: - errmsg = "Stalled (device not responding)"; - break; - case -EOVERFLOW: - errmsg = "Babble (bad cable?)"; - break; - case -EPROTO: - errmsg = "Bit-stuff error (bad cable?)"; - break; - case -EILSEQ: - errmsg = "CRC/Timeout (could be anything)"; - break; - case -ETIME: - errmsg = "Device does not respond"; - break; - } - if (packet < 0) { - dprintk(dev, 1, "URB status %d [%s].\n", - status, errmsg); - } else { - dprintk(dev, 1, "URB packet %d, status %d [%s].\n", - packet, status, errmsg); - } -} - -static void tm6000_urb_received(struct urb *urb) -{ - int ret; - struct tm6000_core *dev = urb->context; - - switch (urb->status) { - case 0: - case -ETIMEDOUT: - break; - case -ENOENT: - case -ECONNRESET: - case -ESHUTDOWN: - return; - default: - print_err_status(dev, 0, urb->status); - } - - if (urb->actual_length > 0) - dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, - urb->actual_length); - - if (dev->dvb->streams > 0) { - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret < 0) { - printk(KERN_ERR "tm6000: error %s\n", __func__); - kfree(urb->transfer_buffer); - usb_free_urb(urb); - dev->dvb->bulk_urb = NULL; - } - } -} - -static int tm6000_start_stream(struct tm6000_core *dev) -{ - int ret; - unsigned int pipe, size; - struct tm6000_dvb *dvb = dev->dvb; - - printk(KERN_INFO "tm6000: got start stream request %s\n", __func__); - - if (dev->mode != TM6000_MODE_DIGITAL) { - tm6000_init_digital_mode(dev); - dev->mode = TM6000_MODE_DIGITAL; - } - - dvb->bulk_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dvb->bulk_urb) - return -ENOMEM; - - pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in.endp->desc.bEndpointAddress - & USB_ENDPOINT_NUMBER_MASK); - - size = usb_maxpacket(dev->udev, pipe); - size = size * 15; /* 512 x 8 or 12 or 15 */ - - dvb->bulk_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); - if (!dvb->bulk_urb->transfer_buffer) { - usb_free_urb(dvb->bulk_urb); - dvb->bulk_urb = NULL; - return -ENOMEM; - } - - usb_fill_bulk_urb(dvb->bulk_urb, dev->udev, pipe, - dvb->bulk_urb->transfer_buffer, - size, - tm6000_urb_received, dev); - - ret = usb_clear_halt(dev->udev, pipe); - if (ret < 0) { - printk(KERN_ERR "tm6000: error %i in %s during pipe reset\n", - ret, __func__); - - kfree(dvb->bulk_urb->transfer_buffer); - usb_free_urb(dvb->bulk_urb); - dvb->bulk_urb = NULL; - return ret; - } else - printk(KERN_ERR "tm6000: pipe reset\n"); - -/* mutex_lock(&tm6000_driver.open_close_mutex); */ - ret = usb_submit_urb(dvb->bulk_urb, GFP_ATOMIC); - -/* mutex_unlock(&tm6000_driver.open_close_mutex); */ - if (ret) { - printk(KERN_ERR "tm6000: submit of urb failed (error=%i)\n", - ret); - - kfree(dvb->bulk_urb->transfer_buffer); - usb_free_urb(dvb->bulk_urb); - dvb->bulk_urb = NULL; - return ret; - } - - return 0; -} - -static void tm6000_stop_stream(struct tm6000_core *dev) -{ - struct tm6000_dvb *dvb = dev->dvb; - - if (dvb->bulk_urb) { - printk(KERN_INFO "urb killing\n"); - usb_kill_urb(dvb->bulk_urb); - printk(KERN_INFO "urb buffer free\n"); - kfree(dvb->bulk_urb->transfer_buffer); - usb_free_urb(dvb->bulk_urb); - dvb->bulk_urb = NULL; - } -} - -static int tm6000_start_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct tm6000_core *dev = demux->priv; - struct tm6000_dvb *dvb = dev->dvb; - printk(KERN_INFO "tm6000: got start feed request %s\n", __func__); - - mutex_lock(&dvb->mutex); - if (dvb->streams == 0) { - dvb->streams = 1; -/* mutex_init(&tm6000_dev->streming_mutex); */ - tm6000_start_stream(dev); - } else - ++(dvb->streams); - mutex_unlock(&dvb->mutex); - - return 0; -} - -static int tm6000_stop_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct tm6000_core *dev = demux->priv; - struct tm6000_dvb *dvb = dev->dvb; - - printk(KERN_INFO "tm6000: got stop feed request %s\n", __func__); - - mutex_lock(&dvb->mutex); - - printk(KERN_INFO "stream %#x\n", dvb->streams); - --(dvb->streams); - if (dvb->streams == 0) { - printk(KERN_INFO "stop stream\n"); - tm6000_stop_stream(dev); -/* mutex_destroy(&tm6000_dev->streaming_mutex); */ - } - mutex_unlock(&dvb->mutex); -/* mutex_destroy(&tm6000_dev->streaming_mutex); */ - - return 0; -} - -static int tm6000_dvb_attach_frontend(struct tm6000_core *dev) -{ - struct tm6000_dvb *dvb = dev->dvb; - - if (dev->caps.has_zl10353) { - struct zl10353_config config = { - .demod_address = dev->demod_addr, - .no_tuner = 1, - .parallel_ts = 1, - .if2 = 45700, - .disable_i2c_gate_ctrl = 1, - }; - - dvb->frontend = dvb_attach(zl10353_attach, &config, - &dev->i2c_adap); - } else { - printk(KERN_ERR "tm6000: no frontend defined for the device!\n"); - return -1; - } - - return (!dvb->frontend) ? -1 : 0; -} - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -static int register_dvb(struct tm6000_core *dev) -{ - int ret = -1; - struct tm6000_dvb *dvb = dev->dvb; - - mutex_init(&dvb->mutex); - - dvb->streams = 0; - - /* attach the frontend */ - ret = tm6000_dvb_attach_frontend(dev); - if (ret < 0) { - printk(KERN_ERR "tm6000: couldn't attach the frontend!\n"); - goto err; - } - - ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T", - THIS_MODULE, &dev->udev->dev, adapter_nr); - if (ret < 0) { - pr_err("tm6000: couldn't register the adapter!\n"); - goto err; - } - - dvb->adapter.priv = dev; - - if (dvb->frontend) { - switch (dev->tuner_type) { - case TUNER_XC2028: { - struct xc2028_config cfg = { - .i2c_adap = &dev->i2c_adap, - .i2c_addr = dev->tuner_addr, - }; - - dvb->frontend->callback = tm6000_tuner_callback; - ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); - if (ret < 0) { - printk(KERN_ERR - "tm6000: couldn't register frontend\n"); - goto adapter_err; - } - - if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) { - printk(KERN_ERR "tm6000: couldn't register frontend (xc3028)\n"); - ret = -EINVAL; - goto frontend_err; - } - printk(KERN_INFO "tm6000: XC2028/3028 asked to be attached to frontend!\n"); - break; - } - case TUNER_XC5000: { - struct xc5000_config cfg = { - .i2c_address = dev->tuner_addr, - }; - - dvb->frontend->callback = tm6000_xc5000_callback; - ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); - if (ret < 0) { - printk(KERN_ERR - "tm6000: couldn't register frontend\n"); - goto adapter_err; - } - - if (!dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, &cfg)) { - printk(KERN_ERR "tm6000: couldn't register frontend (xc5000)\n"); - ret = -EINVAL; - goto frontend_err; - } - printk(KERN_INFO "tm6000: XC5000 asked to be attached to frontend!\n"); - break; - } - } - } else - printk(KERN_ERR "tm6000: no frontend found\n"); - - dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING - | DMX_MEMORY_BASED_FILTERING; - dvb->demux.priv = dev; - dvb->demux.filternum = 8; - dvb->demux.feednum = 8; - dvb->demux.start_feed = tm6000_start_feed; - dvb->demux.stop_feed = tm6000_stop_feed; - dvb->demux.write_to_decoder = NULL; - ret = dvb_dmx_init(&dvb->demux); - if (ret < 0) { - printk(KERN_ERR "tm6000: dvb_dmx_init failed (errno = %d)\n", ret); - goto frontend_err; - } - - dvb->dmxdev.filternum = dev->dvb->demux.filternum; - dvb->dmxdev.demux = &dev->dvb->demux.dmx; - dvb->dmxdev.capabilities = 0; - - ret = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); - if (ret < 0) { - printk(KERN_ERR "tm6000: dvb_dmxdev_init failed (errno = %d)\n", ret); - goto dvb_dmx_err; - } - - return 0; - -dvb_dmx_err: - dvb_dmx_release(&dvb->demux); -frontend_err: - if (dvb->frontend) { - dvb_unregister_frontend(dvb->frontend); - dvb_frontend_detach(dvb->frontend); - } -adapter_err: - dvb_unregister_adapter(&dvb->adapter); -err: - return ret; -} - -static void unregister_dvb(struct tm6000_core *dev) -{ - struct tm6000_dvb *dvb = dev->dvb; - - if (dvb->bulk_urb) { - struct urb *bulk_urb = dvb->bulk_urb; - - kfree(bulk_urb->transfer_buffer); - bulk_urb->transfer_buffer = NULL; - usb_unlink_urb(bulk_urb); - usb_free_urb(bulk_urb); - } - -/* mutex_lock(&tm6000_driver.open_close_mutex); */ - if (dvb->frontend) { - dvb_unregister_frontend(dvb->frontend); - dvb_frontend_detach(dvb->frontend); - } - - dvb_dmxdev_release(&dvb->dmxdev); - dvb_dmx_release(&dvb->demux); - dvb_unregister_adapter(&dvb->adapter); - mutex_destroy(&dvb->mutex); -/* mutex_unlock(&tm6000_driver.open_close_mutex); */ -} - -static int dvb_init(struct tm6000_core *dev) -{ - struct tm6000_dvb *dvb; - int rc; - - if (!dev) - return 0; - - if (!dev->caps.has_dvb) - return 0; - - if (dev->udev->speed == USB_SPEED_FULL) { - printk(KERN_INFO "This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)\n"); - return 0; - } - - dvb = kzalloc(sizeof(struct tm6000_dvb), GFP_KERNEL); - if (!dvb) - return -ENOMEM; - - dev->dvb = dvb; - - rc = register_dvb(dev); - if (rc < 0) { - kfree(dvb); - dev->dvb = NULL; - return 0; - } - - return 0; -} - -static int dvb_fini(struct tm6000_core *dev) -{ - if (!dev) - return 0; - - if (!dev->caps.has_dvb) - return 0; - - if (dev->dvb) { - unregister_dvb(dev); - kfree(dev->dvb); - dev->dvb = NULL; - } - - return 0; -} - -static struct tm6000_ops dvb_ops = { - .type = TM6000_DVB, - .name = "TM6000 dvb Extension", - .init = dvb_init, - .fini = dvb_fini, -}; - -static int __init tm6000_dvb_register(void) -{ - return tm6000_register_extension(&dvb_ops); -} - -static void __exit tm6000_dvb_unregister(void) -{ - tm6000_unregister_extension(&dvb_ops); -} - -module_init(tm6000_dvb_register); -module_exit(tm6000_dvb_unregister); |