diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-dvb.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-dvb.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c new file mode 100644 index 0000000..eda8c05 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -0,0 +1,213 @@ +/* + * Driver for the Conexant CX23885 PCIe bridge + * + * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 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/init.h> +#include <linux/device.h> +#include <linux/fs.h> +#include <linux/kthread.h> +#include <linux/file.h> +#include <linux/suspend.h> + +#include "cx23885.h" +#include <media/v4l2-common.h> + +#include "s5h1409.h" +#include "mt2131.h" +#include "lgdt330x.h" +#include "dvb-pll.h" + +static unsigned int debug = 0; + +#define dprintk(level,fmt, arg...) if (debug >= level) \ + printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg) + +/* ------------------------------------------------------------------ */ + +static int dvb_buf_setup(struct videobuf_queue *q, + unsigned int *count, unsigned int *size) +{ + struct cx23885_tsport *port = q->priv_data; + + port->ts_packet_size = 188 * 4; + port->ts_packet_count = 32; + + *size = port->ts_packet_size * port->ts_packet_count; + *count = 32; + return 0; +} + +static int dvb_buf_prepare(struct videobuf_queue *q, + struct videobuf_buffer *vb, enum v4l2_field field) +{ + struct cx23885_tsport *port = q->priv_data; + return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field); +} + +static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct cx23885_tsport *port = q->priv_data; + cx23885_buf_queue(port, (struct cx23885_buffer*)vb); +} + +static void dvb_buf_release(struct videobuf_queue *q, + struct videobuf_buffer *vb) +{ + cx23885_free_buffer(q, (struct cx23885_buffer*)vb); +} + +static struct videobuf_queue_ops dvb_qops = { + .buf_setup = dvb_buf_setup, + .buf_prepare = dvb_buf_prepare, + .buf_queue = dvb_buf_queue, + .buf_release = dvb_buf_release, +}; + +static struct s5h1409_config hauppauge_generic_config = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_SERIAL_OUTPUT, + .gpio = S5H1409_GPIO_ON, + .if_freq = 44000, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING +}; + +static struct s5h1409_config hauppauge_hvr1800lp_config = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_SERIAL_OUTPUT, + .gpio = S5H1409_GPIO_OFF, + .if_freq = 44000, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING +}; + +static struct mt2131_config hauppauge_generic_tunerconfig = { + 0x61 +}; + +static struct lgdt330x_config fusionhdtv_5_express = { + .demod_address = 0x0e, + .demod_chip = LGDT3303, + .serial_mpeg = 0x40, +}; + +static int dvb_register(struct cx23885_tsport *port) +{ + struct cx23885_dev *dev = port->dev; + struct cx23885_i2c *i2c_bus = NULL; + + /* init struct videobuf_dvb */ + port->dvb.name = dev->name; + + /* init frontend */ + switch (dev->board) { + case CX23885_BOARD_HAUPPAUGE_HVR1250: + case CX23885_BOARD_HAUPPAUGE_HVR1800: + i2c_bus = &dev->i2c_bus[0]; + port->dvb.frontend = dvb_attach(s5h1409_attach, + &hauppauge_generic_config, + &i2c_bus->i2c_adap); + if (port->dvb.frontend != NULL) { + dvb_attach(mt2131_attach, port->dvb.frontend, + &i2c_bus->i2c_adap, + &hauppauge_generic_tunerconfig, 0); + } + break; + case CX23885_BOARD_HAUPPAUGE_HVR1800lp: + i2c_bus = &dev->i2c_bus[0]; + port->dvb.frontend = dvb_attach(s5h1409_attach, + &hauppauge_hvr1800lp_config, + &i2c_bus->i2c_adap); + if (port->dvb.frontend != NULL) { + dvb_attach(mt2131_attach, port->dvb.frontend, + &i2c_bus->i2c_adap, + &hauppauge_generic_tunerconfig, 0); + } + break; + case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP: + i2c_bus = &dev->i2c_bus[0]; + port->dvb.frontend = dvb_attach(lgdt330x_attach, + &fusionhdtv_5_express, + &i2c_bus->i2c_adap); + if (port->dvb.frontend != NULL) { + dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61, + &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF); + } + break; + default: + printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n", + dev->name); + break; + } + if (NULL == port->dvb.frontend) { + printk("%s: frontend initialization failed\n", dev->name); + return -1; + } + + /* Put the analog decoder in standby to keep it quiet */ + cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL); + + /* register everything */ + return videobuf_dvb_register(&port->dvb, THIS_MODULE, port, + &dev->pci->dev); +} + +int cx23885_dvb_register(struct cx23885_tsport *port) +{ + struct cx23885_dev *dev = port->dev; + int err; + + dprintk(1, "%s\n", __FUNCTION__); + dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", + dev->board, + dev->name, + dev->pci_bus, + dev->pci_slot); + + err = -ENODEV; + + /* dvb stuff */ + printk("%s: cx23885 based dvb card\n", dev->name); + videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, + sizeof(struct cx23885_buffer), port); + err = dvb_register(port); + if (err != 0) + printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err); + + return err; +} + +int cx23885_dvb_unregister(struct cx23885_tsport *port) +{ + /* dvb */ + if(port->dvb.frontend) + videobuf_dvb_unregister(&port->dvb); + + return 0; +} + +/* + * Local variables: + * c-basic-offset: 8 + * End: + * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off +*/ |