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path: root/drivers/media/usb/au0828/au0828-dvb.c
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Diffstat (limited to 'drivers/media/usb/au0828/au0828-dvb.c')
-rw-r--r--drivers/media/usb/au0828/au0828-dvb.c500
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 00000000000..b328f6550d0
--- /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;
+}
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