diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-dvb.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-dvb.c | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-dvb.c b/drivers/media/video/cx231xx/cx231xx-dvb.c deleted file mode 100644 index 7c4e360ba9bc..000000000000 --- a/drivers/media/video/cx231xx/cx231xx-dvb.c +++ /dev/null @@ -1,796 +0,0 @@ -/* - DVB device driver for cx231xx - - Copyright (C) 2008 <srinivasa.deevi at conexant dot com> - Based on em28xx driver - - 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/kernel.h> -#include <linux/slab.h> -#include <linux/usb.h> - -#include "cx231xx.h" -#include <media/v4l2-common.h> -#include <media/videobuf-vmalloc.h> - -#include "xc5000.h" -#include "s5h1432.h" -#include "tda18271.h" -#include "s5h1411.h" -#include "lgdt3305.h" -#include "mb86a20s.h" - -MODULE_DESCRIPTION("driver for cx231xx based DVB cards"); -MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>"); -MODULE_LICENSE("GPL"); - -static unsigned int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -#define dprintk(level, fmt, arg...) do { \ -if (debug >= level) \ - printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ -} while (0) - -#define CX231XX_DVB_NUM_BUFS 5 -#define CX231XX_DVB_MAX_PACKETSIZE 564 -#define CX231XX_DVB_MAX_PACKETS 64 - -struct cx231xx_dvb { - struct dvb_frontend *frontend; - - /* feed count management */ - struct mutex lock; - int nfeeds; - - /* general boilerplate stuff */ - struct dvb_adapter adapter; - struct dvb_demux demux; - struct dmxdev dmxdev; - struct dmx_frontend fe_hw; - struct dmx_frontend fe_mem; - struct dvb_net net; -}; - -static struct s5h1432_config dvico_s5h1432_config = { - .output_mode = S5H1432_SERIAL_OUTPUT, - .gpio = S5H1432_GPIO_ON, - .qam_if = S5H1432_IF_4000, - .vsb_if = S5H1432_IF_4000, - .inversion = S5H1432_INVERSION_OFF, - .status_mode = S5H1432_DEMODLOCKING, - .mpeg_timing = S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, -}; - -static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = { - .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, - .if_lvl = 1, .rfagc_top = 0x37, }, - .dvbt_7 = { .if_freq = 4000, .agc_mode = 3, .std = 5, - .if_lvl = 1, .rfagc_top = 0x37, }, - .dvbt_8 = { .if_freq = 4000, .agc_mode = 3, .std = 6, - .if_lvl = 1, .rfagc_top = 0x37, }, -}; - -static struct tda18271_std_map mb86a20s_tda18271_config = { - .dvbt_6 = { .if_freq = 3300, .agc_mode = 3, .std = 4, - .if_lvl = 7, .rfagc_top = 0x37, }, -}; - -static struct tda18271_config cnxt_rde253s_tunerconfig = { - .std_map = &cnxt_rde253s_tda18271_std_map, - .gate = TDA18271_GATE_ANALOG, -}; - -static struct s5h1411_config tda18271_s5h1411_config = { - .output_mode = S5H1411_SERIAL_OUTPUT, - .gpio = S5H1411_GPIO_OFF, - .vsb_if = S5H1411_IF_3250, - .qam_if = S5H1411_IF_4000, - .inversion = S5H1411_INVERSION_ON, - .status_mode = S5H1411_DEMODLOCKING, - .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, -}; -static struct s5h1411_config xc5000_s5h1411_config = { - .output_mode = S5H1411_SERIAL_OUTPUT, - .gpio = S5H1411_GPIO_OFF, - .vsb_if = S5H1411_IF_3250, - .qam_if = S5H1411_IF_3250, - .inversion = S5H1411_INVERSION_OFF, - .status_mode = S5H1411_DEMODLOCKING, - .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, -}; - -static struct lgdt3305_config hcw_lgdt3305_config = { - .i2c_addr = 0x0e, - .mpeg_mode = LGDT3305_MPEG_SERIAL, - .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, - .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, - .deny_i2c_rptr = 1, - .spectral_inversion = 1, - .qam_if_khz = 4000, - .vsb_if_khz = 3250, -}; - -static struct tda18271_std_map hauppauge_tda18271_std_map = { - .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4, - .if_lvl = 1, .rfagc_top = 0x58, }, - .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5, - .if_lvl = 1, .rfagc_top = 0x58, }, -}; - -static struct tda18271_config hcw_tda18271_config = { - .std_map = &hauppauge_tda18271_std_map, - .gate = TDA18271_GATE_DIGITAL, -}; - -static const struct mb86a20s_config pv_mb86a20s_config = { - .demod_address = 0x10, - .is_serial = true, -}; - -static struct tda18271_config pv_tda18271_config = { - .std_map = &mb86a20s_tda18271_config, - .gate = TDA18271_GATE_DIGITAL, - .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, -}; - -static inline void print_err_status(struct cx231xx *dev, int packet, int status) -{ - char *errmsg = "Unknown"; - - switch (status) { - case -ENOENT: - errmsg = "unlinked synchronuously"; - break; - case -ECONNRESET: - errmsg = "unlinked asynchronuously"; - 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(1, "URB status %d [%s].\n", status, errmsg); - } else { - dprintk(1, "URB packet %d, status %d [%s].\n", - packet, status, errmsg); - } -} - -static inline int dvb_isoc_copy(struct cx231xx *dev, struct urb *urb) -{ - int i; - - if (!dev) - return 0; - - if (dev->state & DEV_DISCONNECTED) - return 0; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - if (urb->status == -ENOENT) - return 0; - } - - for (i = 0; i < urb->number_of_packets; i++) { - int status = urb->iso_frame_desc[i].status; - - if (status < 0) { - print_err_status(dev, i, status); - if (urb->iso_frame_desc[i].status != -EPROTO) - continue; - } - - dvb_dmx_swfilter(&dev->dvb->demux, - urb->transfer_buffer + - urb->iso_frame_desc[i].offset, - urb->iso_frame_desc[i].actual_length); - } - - return 0; -} - -static inline int dvb_bulk_copy(struct cx231xx *dev, struct urb *urb) -{ - if (!dev) - return 0; - - if (dev->state & DEV_DISCONNECTED) - return 0; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - if (urb->status == -ENOENT) - return 0; - } - - /* Feed the transport payload into the kernel demux */ - dvb_dmx_swfilter(&dev->dvb->demux, - urb->transfer_buffer, urb->actual_length); - - return 0; -} - -static int start_streaming(struct cx231xx_dvb *dvb) -{ - int rc; - struct cx231xx *dev = dvb->adapter.priv; - - if (dev->USE_ISO) { - cx231xx_info("DVB transfer mode is ISO.\n"); - mutex_lock(&dev->i2c_lock); - cx231xx_enable_i2c_port_3(dev, false); - cx231xx_set_alt_setting(dev, INDEX_TS1, 4); - cx231xx_enable_i2c_port_3(dev, true); - mutex_unlock(&dev->i2c_lock); - rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); - if (rc < 0) - return rc; - dev->mode_tv = 1; - return cx231xx_init_isoc(dev, CX231XX_DVB_MAX_PACKETS, - CX231XX_DVB_NUM_BUFS, - dev->ts1_mode.max_pkt_size, - dvb_isoc_copy); - } else { - cx231xx_info("DVB transfer mode is BULK.\n"); - cx231xx_set_alt_setting(dev, INDEX_TS1, 0); - rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); - if (rc < 0) - return rc; - dev->mode_tv = 1; - return cx231xx_init_bulk(dev, CX231XX_DVB_MAX_PACKETS, - CX231XX_DVB_NUM_BUFS, - dev->ts1_mode.max_pkt_size, - dvb_bulk_copy); - } - -} - -static int stop_streaming(struct cx231xx_dvb *dvb) -{ - struct cx231xx *dev = dvb->adapter.priv; - - if (dev->USE_ISO) - cx231xx_uninit_isoc(dev); - else - cx231xx_uninit_bulk(dev); - - cx231xx_set_mode(dev, CX231XX_SUSPEND); - - return 0; -} - -static int start_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct cx231xx_dvb *dvb = demux->priv; - int rc, ret; - - if (!demux->dmx.frontend) - return -EINVAL; - - mutex_lock(&dvb->lock); - dvb->nfeeds++; - rc = dvb->nfeeds; - - if (dvb->nfeeds == 1) { - ret = start_streaming(dvb); - if (ret < 0) - rc = ret; - } - - mutex_unlock(&dvb->lock); - return rc; -} - -static int stop_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct cx231xx_dvb *dvb = demux->priv; - int err = 0; - - mutex_lock(&dvb->lock); - dvb->nfeeds--; - - if (0 == dvb->nfeeds) - err = stop_streaming(dvb); - - mutex_unlock(&dvb->lock); - return err; -} - -/* ------------------------------------------------------------------ */ -static int cx231xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) -{ - struct cx231xx *dev = fe->dvb->priv; - - if (acquire) - return cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); - else - return cx231xx_set_mode(dev, CX231XX_SUSPEND); -} - -/* ------------------------------------------------------------------ */ - -static struct xc5000_config cnxt_rde250_tunerconfig = { - .i2c_address = 0x61, - .if_khz = 4000, -}; -static struct xc5000_config cnxt_rdu250_tunerconfig = { - .i2c_address = 0x61, - .if_khz = 3250, -}; - -/* ------------------------------------------------------------------ */ -#if 0 -static int attach_xc5000(u8 addr, struct cx231xx *dev) -{ - - struct dvb_frontend *fe; - struct xc5000_config cfg; - - memset(&cfg, 0, sizeof(cfg)); - cfg.i2c_adap = &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap; - cfg.i2c_addr = addr; - - if (!dev->dvb->frontend) { - printk(KERN_ERR "%s/2: dvb frontend not attached. " - "Can't attach xc5000\n", dev->name); - return -EINVAL; - } - - fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg); - if (!fe) { - printk(KERN_ERR "%s/2: xc5000 attach failed\n", dev->name); - dvb_frontend_detach(dev->dvb->frontend); - dev->dvb->frontend = NULL; - return -EINVAL; - } - - printk(KERN_INFO "%s/2: xc5000 attached\n", dev->name); - - return 0; -} -#endif - -int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq) -{ - int status = 0; - - if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { - - struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; - - if (dops->set_analog_params != NULL) { - struct analog_parameters params; - - params.frequency = freq; - params.std = dev->norm; - params.mode = 0; /* 0- Air; 1 - cable */ - /*params.audmode = ; */ - - /* Set the analog parameters to set the frequency */ - dops->set_analog_params(dev->dvb->frontend, ¶ms); - } - - } - - return status; -} - -int cx231xx_reset_analog_tuner(struct cx231xx *dev) -{ - int status = 0; - - if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) { - - struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops; - - if (dops->init != NULL && !dev->xc_fw_load_done) { - - cx231xx_info("Reloading firmware for XC5000\n"); - status = dops->init(dev->dvb->frontend); - if (status == 0) { - dev->xc_fw_load_done = 1; - cx231xx_info - ("XC5000 firmware download completed\n"); - } else { - dev->xc_fw_load_done = 0; - cx231xx_info - ("XC5000 firmware download failed !!!\n"); - } - } - - } - - return status; -} - -/* ------------------------------------------------------------------ */ - -static int register_dvb(struct cx231xx_dvb *dvb, - struct module *module, - struct cx231xx *dev, struct device *device) -{ - int result; - - mutex_init(&dvb->lock); - - /* register adapter */ - result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, - adapter_nr); - if (result < 0) { - printk(KERN_WARNING - "%s: dvb_register_adapter failed (errno = %d)\n", - dev->name, result); - goto fail_adapter; - } - - /* Ensure all frontends negotiate bus access */ - dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl; - - dvb->adapter.priv = dev; - - /* register frontend */ - result = dvb_register_frontend(&dvb->adapter, dvb->frontend); - if (result < 0) { - printk(KERN_WARNING - "%s: dvb_register_frontend failed (errno = %d)\n", - dev->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 = dvb; - dvb->demux.filternum = 256; - dvb->demux.feednum = 256; - dvb->demux.start_feed = start_feed; - dvb->demux.stop_feed = stop_feed; - - result = dvb_dmx_init(&dvb->demux); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", - dev->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_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", - dev->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_WARNING - "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", - dev->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_WARNING - "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", - dev->name, result); - goto fail_fe_mem; - } - - result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); - if (result < 0) { - printk(KERN_WARNING - "%s: connect_frontend failed (errno = %d)\n", dev->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; -} - -static void unregister_dvb(struct cx231xx_dvb *dvb) -{ - 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); -} - -static int dvb_init(struct cx231xx *dev) -{ - int result = 0; - struct cx231xx_dvb *dvb; - - if (!dev->board.has_dvb) { - /* This device does not support the extension */ - return 0; - } - - dvb = kzalloc(sizeof(struct cx231xx_dvb), GFP_KERNEL); - - if (dvb == NULL) { - printk(KERN_INFO "cx231xx_dvb: memory allocation failed\n"); - return -ENOMEM; - } - dev->dvb = dvb; - dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq; - dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner; - - mutex_lock(&dev->lock); - cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); - cx231xx_demod_reset(dev); - /* init frontend */ - switch (dev->model) { - case CX231XX_BOARD_CNXT_CARRAERA: - case CX231XX_BOARD_CNXT_RDE_250: - - dev->dvb->frontend = dvb_attach(s5h1432_attach, - &dvico_s5h1432_config, - &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach s5h1432 front end\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - if (!dvb_attach(xc5000_attach, dev->dvb->frontend, - &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &cnxt_rde250_tunerconfig)) { - result = -EINVAL; - goto out_free; - } - - break; - case CX231XX_BOARD_CNXT_SHELBY: - case CX231XX_BOARD_CNXT_RDU_250: - - dev->dvb->frontend = dvb_attach(s5h1411_attach, - &xc5000_s5h1411_config, - &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach s5h1411 front end\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - if (!dvb_attach(xc5000_attach, dev->dvb->frontend, - &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &cnxt_rdu250_tunerconfig)) { - result = -EINVAL; - goto out_free; - } - break; - case CX231XX_BOARD_CNXT_RDE_253S: - - dev->dvb->frontend = dvb_attach(s5h1432_attach, - &dvico_s5h1432_config, - &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach s5h1432 front end\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - if (!dvb_attach(tda18271_attach, dev->dvb->frontend, - 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &cnxt_rde253s_tunerconfig)) { - result = -EINVAL; - goto out_free; - } - break; - case CX231XX_BOARD_CNXT_RDU_253S: - - dev->dvb->frontend = dvb_attach(s5h1411_attach, - &tda18271_s5h1411_config, - &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach s5h1411 front end\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - if (!dvb_attach(tda18271_attach, dev->dvb->frontend, - 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &cnxt_rde253s_tunerconfig)) { - result = -EINVAL; - goto out_free; - } - break; - case CX231XX_BOARD_HAUPPAUGE_EXETER: - - printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n", - __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); - - dev->dvb->frontend = dvb_attach(lgdt3305_attach, - &hcw_lgdt3305_config, - &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach LG3305 front end\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - dvb_attach(tda18271_attach, dev->dvb->frontend, - 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &hcw_tda18271_config); - break; - - case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: - case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID: - - printk(KERN_INFO "%s: looking for demod on i2c bus: %d\n", - __func__, i2c_adapter_id(&dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap)); - - dev->dvb->frontend = dvb_attach(mb86a20s_attach, - &pv_mb86a20s_config, - &dev->i2c_bus[dev->board.demod_i2c_master].i2c_adap); - - if (dev->dvb->frontend == NULL) { - printk(DRIVER_NAME - ": Failed to attach mb86a20s demod\n"); - result = -EINVAL; - goto out_free; - } - - /* define general-purpose callback pointer */ - dvb->frontend->callback = cx231xx_tuner_callback; - - dvb_attach(tda18271_attach, dev->dvb->frontend, - 0x60, &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap, - &pv_tda18271_config); - break; - - default: - printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" - " isn't supported yet\n", dev->name); - break; - } - if (NULL == dvb->frontend) { - printk(KERN_ERR - "%s/2: frontend initialization failed\n", dev->name); - result = -EINVAL; - goto out_free; - } - - /* register everything */ - result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); - - if (result < 0) - goto out_free; - - - printk(KERN_INFO "Successfully loaded cx231xx-dvb\n"); - -ret: - cx231xx_set_mode(dev, CX231XX_SUSPEND); - mutex_unlock(&dev->lock); - return result; - -out_free: - kfree(dvb); - dev->dvb = NULL; - goto ret; -} - -static int dvb_fini(struct cx231xx *dev) -{ - if (!dev->board.has_dvb) { - /* This device does not support the extension */ - return 0; - } - - if (dev->dvb) { - unregister_dvb(dev->dvb); - dev->dvb = NULL; - } - - return 0; -} - -static struct cx231xx_ops dvb_ops = { - .id = CX231XX_DVB, - .name = "Cx231xx dvb Extension", - .init = dvb_init, - .fini = dvb_fini, -}; - -static int __init cx231xx_dvb_register(void) -{ - return cx231xx_register_extension(&dvb_ops); -} - -static void __exit cx231xx_dvb_unregister(void) -{ - cx231xx_unregister_extension(&dvb_ops); -} - -module_init(cx231xx_dvb_register); -module_exit(cx231xx_dvb_unregister); |