diff options
author | Mauro Carvalho Chehab | 2012-08-14 00:13:22 -0300 |
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committer | Mauro Carvalho Chehab | 2012-08-15 16:25:07 -0300 |
commit | 0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch) | |
tree | e759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/usb/au0828/au0828-dvb.c | |
parent | 84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff) |
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/au0828/au0828-dvb.c')
-rw-r--r-- | drivers/media/usb/au0828/au0828-dvb.c | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c new file mode 100644 index 000000000000..b328f6550d0b --- /dev/null +++ b/drivers/media/usb/au0828/au0828-dvb.c @@ -0,0 +1,500 @@ +/* + * Driver for the Auvitek USB bridge + * + * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> + * + * 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 of the License, 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/suspend.h> +#include <media/v4l2-common.h> +#include <media/tuner.h> + +#include "au0828.h" +#include "au8522.h" +#include "xc5000.h" +#include "mxl5007t.h" +#include "tda18271.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define _AU0828_BULKPIPE 0x83 +#define _BULKPIPESIZE 0xe522 + +static u8 hauppauge_hvr950q_led_states[] = { + 0x00, /* off */ + 0x02, /* yellow */ + 0x04, /* green */ +}; + +static struct au8522_led_config hauppauge_hvr950q_led_cfg = { + .gpio_output = 0x00e0, + .gpio_output_enable = 0x6006, + .gpio_output_disable = 0x0660, + + .gpio_leds = 0x00e2, + .led_states = hauppauge_hvr950q_led_states, + .num_led_states = sizeof(hauppauge_hvr950q_led_states), + + .vsb8_strong = 20 /* dB */ * 10, + .qam64_strong = 25 /* dB */ * 10, + .qam256_strong = 32 /* dB */ * 10, +}; + +static struct au8522_config hauppauge_hvr950q_config = { + .demod_address = 0x8e >> 1, + .status_mode = AU8522_DEMODLOCKING, + .qam_if = AU8522_IF_6MHZ, + .vsb_if = AU8522_IF_6MHZ, + .led_cfg = &hauppauge_hvr950q_led_cfg, +}; + +static struct au8522_config fusionhdtv7usb_config = { + .demod_address = 0x8e >> 1, + .status_mode = AU8522_DEMODLOCKING, + .qam_if = AU8522_IF_6MHZ, + .vsb_if = AU8522_IF_6MHZ, +}; + +static struct au8522_config hauppauge_woodbury_config = { + .demod_address = 0x8e >> 1, + .status_mode = AU8522_DEMODLOCKING, + .qam_if = AU8522_IF_4MHZ, + .vsb_if = AU8522_IF_3_25MHZ, +}; + +static struct xc5000_config hauppauge_xc5000a_config = { + .i2c_address = 0x61, + .if_khz = 6000, + .chip_id = XC5000A, +}; + +static struct xc5000_config hauppauge_xc5000c_config = { + .i2c_address = 0x61, + .if_khz = 6000, + .chip_id = XC5000C, +}; + +static struct mxl5007t_config mxl5007t_hvr950q_config = { + .xtal_freq_hz = MxL_XTAL_24_MHZ, + .if_freq_hz = MxL_IF_6_MHZ, +}; + +static struct tda18271_config hauppauge_woodbury_tunerconfig = { + .gate = TDA18271_GATE_DIGITAL, +}; + +static void au0828_restart_dvb_streaming(struct work_struct *work); + +/*-------------------------------------------------------------------*/ +static void urb_completion(struct urb *purb) +{ + struct au0828_dev *dev = purb->context; + int ptype = usb_pipetype(purb->pipe); + unsigned char *ptr; + + dprintk(2, "%s()\n", __func__); + + if (!dev) + return; + + if (dev->urb_streaming == 0) + return; + + if (ptype != PIPE_BULK) { + printk(KERN_ERR "%s() Unsupported URB type %d\n", + __func__, ptype); + return; + } + + /* See if the stream is corrupted (to work around a hardware + bug where the stream gets misaligned */ + ptr = purb->transfer_buffer; + if (purb->actual_length > 0 && ptr[0] != 0x47) { + dprintk(1, "Need to restart streaming %02x len=%d!\n", + ptr[0], purb->actual_length); + schedule_work(&dev->restart_streaming); + return; + } + + /* Feed the transport payload into the kernel demux */ + dvb_dmx_swfilter_packets(&dev->dvb.demux, + purb->transfer_buffer, purb->actual_length / 188); + + /* Clean the buffer before we requeue */ + memset(purb->transfer_buffer, 0, URB_BUFSIZE); + + /* Requeue URB */ + usb_submit_urb(purb, GFP_ATOMIC); +} + +static int stop_urb_transfer(struct au0828_dev *dev) +{ + int i; + + dprintk(2, "%s()\n", __func__); + + dev->urb_streaming = 0; + for (i = 0; i < URB_COUNT; i++) { + usb_kill_urb(dev->urbs[i]); + kfree(dev->urbs[i]->transfer_buffer); + usb_free_urb(dev->urbs[i]); + } + + return 0; +} + +static int start_urb_transfer(struct au0828_dev *dev) +{ + struct urb *purb; + int i, ret = -ENOMEM; + + dprintk(2, "%s()\n", __func__); + + if (dev->urb_streaming) { + dprintk(2, "%s: bulk xfer already running!\n", __func__); + return 0; + } + + for (i = 0; i < URB_COUNT; i++) { + + dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urbs[i]) + goto err; + + purb = dev->urbs[i]; + + purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL); + if (!purb->transfer_buffer) { + usb_free_urb(purb); + dev->urbs[i] = NULL; + goto err; + } + + purb->status = -EINPROGRESS; + usb_fill_bulk_urb(purb, + dev->usbdev, + usb_rcvbulkpipe(dev->usbdev, + _AU0828_BULKPIPE), + purb->transfer_buffer, + URB_BUFSIZE, + urb_completion, + dev); + + } + + for (i = 0; i < URB_COUNT; i++) { + ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC); + if (ret != 0) { + stop_urb_transfer(dev); + printk(KERN_ERR "%s: failed urb submission, " + "err = %d\n", __func__, ret); + return ret; + } + } + + dev->urb_streaming = 1; + ret = 0; + +err: + return ret; +} + +static int au0828_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct au0828_dev *dev = (struct au0828_dev *) demux->priv; + struct au0828_dvb *dvb = &dev->dvb; + int ret = 0; + + dprintk(1, "%s()\n", __func__); + + if (!demux->dmx.frontend) + return -EINVAL; + + if (dvb) { + mutex_lock(&dvb->lock); + if (dvb->feeding++ == 0) { + /* Start transport */ + au0828_write(dev, 0x608, 0x90); + au0828_write(dev, 0x609, 0x72); + au0828_write(dev, 0x60a, 0x71); + au0828_write(dev, 0x60b, 0x01); + ret = start_urb_transfer(dev); + } + mutex_unlock(&dvb->lock); + } + + return ret; +} + +static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct au0828_dev *dev = (struct au0828_dev *) demux->priv; + struct au0828_dvb *dvb = &dev->dvb; + int ret = 0; + + dprintk(1, "%s()\n", __func__); + + if (dvb) { + mutex_lock(&dvb->lock); + if (--dvb->feeding == 0) { + /* Stop transport */ + ret = stop_urb_transfer(dev); + au0828_write(dev, 0x60b, 0x00); + } + mutex_unlock(&dvb->lock); + } + + return ret; +} + +static void au0828_restart_dvb_streaming(struct work_struct *work) +{ + struct au0828_dev *dev = container_of(work, struct au0828_dev, + restart_streaming); + struct au0828_dvb *dvb = &dev->dvb; + int ret; + + if (dev->urb_streaming == 0) + return; + + dprintk(1, "Restarting streaming...!\n"); + + mutex_lock(&dvb->lock); + + /* Stop transport */ + ret = stop_urb_transfer(dev); + au0828_write(dev, 0x608, 0x00); + au0828_write(dev, 0x609, 0x00); + au0828_write(dev, 0x60a, 0x00); + au0828_write(dev, 0x60b, 0x00); + + /* Start transport */ + au0828_write(dev, 0x608, 0x90); + au0828_write(dev, 0x609, 0x72); + au0828_write(dev, 0x60a, 0x71); + au0828_write(dev, 0x60b, 0x01); + ret = start_urb_transfer(dev); + + mutex_unlock(&dvb->lock); +} + +static int dvb_register(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + int result; + + dprintk(1, "%s()\n", __func__); + + INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming); + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE, + &dev->usbdev->dev, adapter_nr); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_adapter failed " + "(errno = %d)\n", DRIVER_NAME, result); + goto fail_adapter; + } + dvb->adapter.priv = dev; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_frontend failed " + "(errno = %d)\n", DRIVER_NAME, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = dev; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = au0828_dvb_start_feed; + dvb->demux.stop_feed = au0828_dvb_stop_feed; + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed " + "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed " + "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +void au0828_dvb_unregister(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + + dprintk(1, "%s()\n", __func__); + + if (dvb->frontend == NULL) + return; + + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +} + +/* All the DVB attach calls go here, this function get's modified + * for each new card. No other function in this file needs + * to change. + */ +int au0828_dvb_register(struct au0828_dev *dev) +{ + struct au0828_dvb *dvb = &dev->dvb; + int ret; + + dprintk(1, "%s()\n", __func__); + + /* init frontend */ + switch (dev->boardnr) { + case AU0828_BOARD_HAUPPAUGE_HVR850: + case AU0828_BOARD_HAUPPAUGE_HVR950Q: + dvb->frontend = dvb_attach(au8522_attach, + &hauppauge_hvr950q_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) + switch (dev->board.tuner_type) { + default: + case TUNER_XC5000: + dvb_attach(xc5000_attach, dvb->frontend, + &dev->i2c_adap, + &hauppauge_xc5000a_config); + break; + case TUNER_XC5000C: + dvb_attach(xc5000_attach, dvb->frontend, + &dev->i2c_adap, + &hauppauge_xc5000c_config); + break; + } + break; + case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL: + dvb->frontend = dvb_attach(au8522_attach, + &hauppauge_hvr950q_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) + dvb_attach(mxl5007t_attach, dvb->frontend, + &dev->i2c_adap, 0x60, + &mxl5007t_hvr950q_config); + break; + case AU0828_BOARD_HAUPPAUGE_WOODBURY: + dvb->frontend = dvb_attach(au8522_attach, + &hauppauge_woodbury_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) + dvb_attach(tda18271_attach, dvb->frontend, + 0x60, &dev->i2c_adap, + &hauppauge_woodbury_tunerconfig); + break; + case AU0828_BOARD_DVICO_FUSIONHDTV7: + dvb->frontend = dvb_attach(au8522_attach, + &fusionhdtv7usb_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) { + dvb_attach(xc5000_attach, dvb->frontend, + &dev->i2c_adap, + &hauppauge_xc5000a_config); + } + break; + default: + printk(KERN_WARNING "The frontend of your DVB/ATSC card " + "isn't supported yet\n"); + break; + } + if (NULL == dvb->frontend) { + printk(KERN_ERR "%s() Frontend initialization failed\n", + __func__); + return -1; + } + /* define general-purpose callback pointer */ + dvb->frontend->callback = au0828_tuner_callback; + + /* register everything */ + ret = dvb_register(dev); + if (ret < 0) { + if (dvb->frontend->ops.release) + dvb->frontend->ops.release(dvb->frontend); + return ret; + } + + return 0; +} |