From patchwork Fri Nov 20 03:24:52 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 61545 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nAK3PZKn012360 for ; Fri, 20 Nov 2009 03:25:37 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758259AbZKTDZ3 (ORCPT ); Thu, 19 Nov 2009 22:25:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758269AbZKTDZ2 (ORCPT ); Thu, 19 Nov 2009 22:25:28 -0500 Received: from mail-gx0-f226.google.com ([209.85.217.226]:45103 "EHLO mail-gx0-f226.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758259AbZKTDZX (ORCPT ); Thu, 19 Nov 2009 22:25:23 -0500 Received: by gxk26 with SMTP id 26so2674721gxk.1 for ; Thu, 19 Nov 2009 19:25:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer:in-reply-to:references; bh=XxnIXQwOz7i+Bq+ssaXNYq2LkLlcBlUXu1W1PASZUpg=; b=QdDmAFWX2/1KBhYVRiE9B8wNGd1NI19MeS4UjAK+1/Dc0rd8Ha6GQJUkBoL7cWYKjW TmQqw5LGjLtu55wqtUUd677P67VNVucxJex91WwAT+3dIYi+rKU5zb5kDySyO1hc/lcG VEzZHp1c4jRc8HyHl5oukiu3tQZw+4LOnSMJQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=Za7+fGSJ2jiOAMsEbB8BOUslenKFYe270etk8NvP8Z85Q2qtWrZzIjQKkJcBzfr5MT uo5JebQNLUBthnNJ64PldJBmy5mEXGEf/AMVmdqJ2gQxtgRuaTv716b/yttXBGVKTR3x 76XyBK1U+/7TXoV07+OnTbwax40/5NuDoBLHg= Received: by 10.150.102.5 with SMTP id z5mr1610472ybb.160.1258687529207; Thu, 19 Nov 2009 19:25:29 -0800 (PST) Received: from localhost.localdomain ([211.144.218.162]) by mx.google.com with ESMTPS id 9sm192108ywe.26.2009.11.19.19.25.26 (version=SSLv3 cipher=RC4-MD5); Thu, 19 Nov 2009 19:25:28 -0800 (PST) From: Huang Shijie To: mchehab@redhat.com Cc: linux-media@vger.kernel.org, Huang Shijie Subject: [PATCH 10/11] add DVB-T support for tlg2300 Date: Fri, 20 Nov 2009 11:24:52 +0800 Message-Id: <1258687493-4012-11-git-send-email-shijie8@gmail.com> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1258687493-4012-10-git-send-email-shijie8@gmail.com> References: <1258687493-4012-1-git-send-email-shijie8@gmail.com> <1258687493-4012-2-git-send-email-shijie8@gmail.com> <1258687493-4012-3-git-send-email-shijie8@gmail.com> <1258687493-4012-4-git-send-email-shijie8@gmail.com> <1258687493-4012-5-git-send-email-shijie8@gmail.com> <1258687493-4012-6-git-send-email-shijie8@gmail.com> <1258687493-4012-7-git-send-email-shijie8@gmail.com> <1258687493-4012-8-git-send-email-shijie8@gmail.com> <1258687493-4012-9-git-send-email-shijie8@gmail.com> <1258687493-4012-10-git-send-email-shijie8@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org diff --git a/drivers/media/video/tlg2300/pd-dvb.c b/drivers/media/video/tlg2300/pd-dvb.c new file mode 100644 index 0000000..933fff0 --- /dev/null +++ b/drivers/media/video/tlg2300/pd-dvb.c @@ -0,0 +1,649 @@ +#include "pd-common.h" +#include +#include +#include +#include + +#include "vendorcmds.h" +#include +#include + +static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb); + +static int dvb_bandwidth[][2] = { + { TLG_BW_8, BANDWIDTH_8_MHZ }, + { TLG_BW_7, BANDWIDTH_7_MHZ }, + { TLG_BW_6, BANDWIDTH_6_MHZ } +}; +static int dvb_bandwidth_length = ARRAY_SIZE(dvb_bandwidth); + +static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb); +static int poseidon_check_mode_dvbt(struct poseidon *pd) +{ + s32 ret = 0, cmd_status = 0; + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ/4); + + ret = usb_set_interface(pd->udev, 0, BULK_ALTERNATE_IFACE); + if (ret != 0) + return ret; + + ret = set_tuner_mode(pd, TLG_MODE_CAPS_DVB_T); + if (ret) + return ret; + + /* signal source */ + ret = send_set_req(pd, SGNL_SRC_SEL, TLG_SIG_SRC_ANTENNA, &cmd_status); + if (ret|cmd_status) + return ret; + + return 0; +} + +/* acquire : + * 1 == open + * 0 == release + */ +static int poseidon_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) +{ + struct poseidon *pd = fe->demodulator_priv; + struct pd_dvb_adapter *pd_dvb; + int ret = 0; + + if (!pd) + return -ENODEV; + + pd_dvb = container_of(fe, struct pd_dvb_adapter, dvb_fe); + if (acquire) { + mutex_lock(&pd->lock); + if (pd->state & POSEIDON_STATE_DISCONNECT) { + ret = -ENODEV; + goto open_out; + } + + if (pd->state && !(pd->state & POSEIDON_STATE_DVBT)) { + ret = -EBUSY; + goto open_out; + } + + usb_autopm_get_interface(pd->interface); + if (0 == pd->state) { + ret = poseidon_check_mode_dvbt(pd); + if (ret < 0) + goto open_out; + pd->state |= POSEIDON_STATE_DVBT; + pd_dvb->bandwidth = 0; + pd_dvb->prev_freq = 0; + } + atomic_inc(&pd_dvb->users); + kref_get(&pd->kref); +open_out: + mutex_unlock(&pd->lock); + } else { + dvb_stop_streaming(pd_dvb); + + if (atomic_dec_and_test(&pd_dvb->users)) { + mutex_lock(&pd->lock); + pd->state &= ~POSEIDON_STATE_DVBT; + mutex_unlock(&pd->lock); + } + kref_put(&pd->kref, poseidon_delete); + usb_autopm_put_interface(pd->interface); + } + return ret; +} + +static void poseidon_fe_release(struct dvb_frontend *fe) +{ + struct poseidon *pd = fe->demodulator_priv; + +#ifdef CONFIG_PM + pd->pm_suspend = NULL; + pd->pm_resume = NULL; +#endif +} + +static s32 poseidon_fe_sleep(struct dvb_frontend *fe) +{ + return 0; +} + +/* + * return true if we can satisfy the conditions, else return false. + */ +static bool check_scan_ok(__u32 freq, int bandwidth, + struct pd_dvb_adapter *adapter) +{ + if (bandwidth < 0) + return false; + + if (adapter->prev_freq == freq + && adapter->bandwidth == bandwidth) { + long nl = jiffies - adapter->last_jiffies; + unsigned int msec ; + + msec = jiffies_to_msecs(abs(nl)); + return msec > 15000 ? true : false; + } + return true; +} + +/* + * Check if the firmware delays too long for an invalid frequency. + */ +static int fw_delay_overflow(struct pd_dvb_adapter *adapter) +{ + long nl = jiffies - adapter->last_jiffies; + unsigned int msec ; + + msec = jiffies_to_msecs(abs(nl)); + return msec > 800 ? true : false; +} + +static int pm_dvb_suspend(struct poseidon *pd) +{ + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + dvb_stop_streaming(pd_dvb); + dvb_urb_cleanup(pd_dvb); + mdelay(2000); + return 0; +} + + +static int poseidon_set_fe(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + s32 ret = 0, cmd_status = 0; + s32 i, bandwidth = -1; + struct poseidon *pd = fe->demodulator_priv; + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + + if (in_hibernation(pd)) + return -EBUSY; + + mutex_lock(&pd->lock); + for (i = 0; i < dvb_bandwidth_length; i++) + if (fep->u.ofdm.bandwidth == dvb_bandwidth[i][1]) + bandwidth = dvb_bandwidth[i][0]; + + if (check_scan_ok(fep->frequency, bandwidth, pd_dvb)) { + ret = send_set_req(pd, TUNE_FREQ_SELECT, + fep->frequency / 1000, &cmd_status); + if (ret | cmd_status) { + log("error line"); + goto front_out; + } + + ret = send_set_req(pd, DVBT_BANDW_SEL, + bandwidth, &cmd_status); + if (ret | cmd_status) { + log("error line"); + goto front_out; + } + + ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); + if (ret | cmd_status) { + log("error line"); + goto front_out; + } + + /* save the context for future */ + memcpy(&pd_dvb->fe_param, fep, sizeof(*fep)); + pd_dvb->bandwidth = bandwidth; + pd_dvb->prev_freq = fep->frequency; + pd_dvb->last_jiffies = jiffies; + } +front_out: + mutex_unlock(&pd->lock); + return ret; +} + +static int pm_dvb_resume(struct poseidon *pd) +{ + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + + if (in_hibernation(pd)) + return 0; + + /* recovery for hibernation */ + if (pd->interface->pm_usage_cnt <= 0) + usb_autopm_get_interface(pd->interface); + + poseidon_check_mode_dvbt(pd); + mdelay(1000); + poseidon_set_fe(&pd_dvb->dvb_fe, &pd_dvb->fe_param); + + dvb_start_streaming(pd_dvb); + return 0; +} + +static int pm_dvb_open(struct file *file) { return 0; } + +static s32 poseidon_fe_init(struct dvb_frontend *fe) +{ + struct poseidon *pd = fe->demodulator_priv; + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + +#ifdef CONFIG_PM + pd->pm_suspend = pm_dvb_suspend; + pd->pm_resume = pm_dvb_resume; + pd->pm_open = pm_dvb_open; +#endif + memset(&pd_dvb->fe_param, 0, + sizeof(struct dvb_frontend_parameters)); + return 0; +} + +static int poseidon_get_fe(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + struct poseidon *pd = fe->demodulator_priv; + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + + memcpy(fep, &pd_dvb->fe_param, sizeof(*fep)); + return 0; +} + +static int poseidon_fe_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + +static int poseidon_read_status(struct dvb_frontend *fe, fe_status_t *stat) +{ + struct poseidon *pd = fe->demodulator_priv; + s32 ret = -1, cmd_status; + struct tuner_dtv_sig_stat_s status = {}; + + if (in_hibernation(pd)) + return -EBUSY; + mutex_lock(&pd->lock); + + ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, + &status, &cmd_status, sizeof(status)); + if (ret | cmd_status) { + log("get tuner status error"); + goto out; + } + + if (debug_mode) + log("P : %d, L %d, LB :%d", status.sig_present, + status.sig_locked, status.sig_lock_busy); + + if (status.sig_lock_busy) { + goto out; + } else if (status.sig_present || status.sig_locked) { + *stat |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER + | FE_HAS_SYNC | FE_HAS_VITERBI; + } else { + if (fw_delay_overflow(&pd->dvb_data)) + *stat |= FE_TIMEDOUT; + } +out: + mutex_unlock(&pd->lock); + return ret; +} + +static int poseidon_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct poseidon *pd = fe->demodulator_priv; + struct tuner_ber_rate_s tlg_ber = {}; + s32 ret = -1, cmd_status; + + mutex_lock(&pd->lock); + ret = send_get_req(pd, TUNER_BER_RATE, 0, + &tlg_ber, &cmd_status, sizeof(tlg_ber)); + if (ret | cmd_status) + goto out; + *ber = tlg_ber.ber_rate; +out: + mutex_unlock(&pd->lock); + return ret; +} + +static s32 poseidon_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct poseidon *pd = fe->demodulator_priv; + struct tuner_dtv_sig_stat_s status = {}; + s32 ret = 0, cmd_status; + + mutex_lock(&pd->lock); + ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, + &status, &cmd_status, sizeof(status)); + if (ret | cmd_status) + goto out; + if ((status.sig_present || status.sig_locked) && !status.sig_strength) + *strength = 0xFFFF; + else + *strength = status.sig_strength; +out: + mutex_unlock(&pd->lock); + return ret; +} + +static int poseidon_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + return 0; +} + +static int poseidon_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) +{ + *unc = 0; + return 0; +} + +static struct dvb_frontend_ops poseidon_frontend_ops = { + .info = { + .name = "Poseidon DVB-T", + .type = FE_OFDM, + .frequency_min = 174000000, + .frequency_max = 862000000, + .frequency_stepsize = 62500,/* FIXME */ + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_RECOVER | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = poseidon_fe_release, + + .init = poseidon_fe_init, + .sleep = poseidon_fe_sleep, + + .set_frontend = poseidon_set_fe, + .get_frontend = poseidon_get_fe, + .get_tune_settings = poseidon_fe_get_tune_settings, + + .read_status = poseidon_read_status, + .read_ber = poseidon_read_ber, + .read_signal_strength = poseidon_read_signal_strength, + .read_snr = poseidon_read_snr, + .read_ucblocks = poseidon_read_unc_blocks, + + .ts_bus_ctrl = poseidon_ts_bus_ctrl, +}; + +static void dvb_urb_irq(struct urb *urb) +{ + struct pd_dvb_adapter *pd_dvb = urb->context; + int len = urb->transfer_buffer_length; + struct dvb_demux *demux = &pd_dvb->demux; + s32 ret; + + if (!pd_dvb->is_streaming || urb->status) { + if (urb->status == -EPROTO) + goto resend; + return; + } + + if (urb->actual_length == len) + dvb_dmx_swfilter(demux, urb->transfer_buffer, len); + else if (urb->actual_length == len - 4) { + int offset; + u8 *buf = urb->transfer_buffer; + + /* + * The packet size is 512, + * last packet contains 456 bytes tsp data + */ + for (offset = 456; offset < len; offset += 512) { + if (!strncmp(buf + offset, "DVHS", 4)) { + dvb_dmx_swfilter(demux, buf, offset); + if (len > offset + 52 + 4) { + /*16 bytes trailer + 36 bytes padding */ + buf += offset + 52; + len -= offset + 52 + 4; + dvb_dmx_swfilter(demux, buf, len); + } + break; + } + } + } + +resend: + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) + log(" usb_submit_urb failed: error %d", ret); +} + +static int dvb_urb_init(struct pd_dvb_adapter *pd_dvb) +{ + struct pd_sbuf *sbuf = &pd_dvb->dvb_sbuf[0]; + struct urb *urb; + + if (sbuf->urb) + return 0; + + for (; sbuf < &pd_dvb->dvb_sbuf[DVB_SBUF_NUM]; sbuf++) { + urb = usb_alloc_urb(0, GFP_KERNEL); + if (urb == NULL) + return -ENOMEM; + sbuf->urb = urb; + sbuf->data = usb_buffer_alloc(pd_dvb->udev, + DVB_URB_BUF_SIZE, + GFP_KERNEL, + &urb->transfer_dma); + + usb_fill_bulk_urb(urb, pd_dvb->udev, + usb_rcvbulkpipe(pd_dvb->udev, pd_dvb->bulk_endAddre), + sbuf->data, DVB_URB_BUF_SIZE, dvb_urb_irq, pd_dvb); + urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + } + return 0; +} + +static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb) +{ + struct pd_sbuf *sbuf = &pd_dvb->dvb_sbuf[0]; + + for (; sbuf < &pd_dvb->dvb_sbuf[DVB_SBUF_NUM]; sbuf++) { + if (sbuf->urb) { + usb_buffer_free(pd_dvb->udev, + sbuf->urb->transfer_buffer_length, + sbuf->data, + sbuf->urb->transfer_dma); + usb_free_urb(sbuf->urb); + sbuf->urb = NULL; + sbuf->data = NULL; + } + } +} + +static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb) +{ + struct poseidon *pd = pd_dvb->pd_device; + int ret = 0; + + if (pd->state & POSEIDON_STATE_DISCONNECT) + return -ENODEV; + + mutex_lock(&pd->lock); + if (!pd_dvb->is_streaming) { + s32 i, cmd_status = 0; + /* + * Once upon a time, there was a difficult bug lying here. + * ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); + */ + + ret = send_set_req(pd, PLAY_SERVICE, 1, &cmd_status); + if (ret | cmd_status) + goto out; + + ret = dvb_urb_init(pd_dvb); + if (ret < 0) + goto out; + + pd_dvb->is_streaming = 1; + for (i = 0; i < DVB_SBUF_NUM; i++) { + ret = usb_submit_urb(pd_dvb->dvb_sbuf[i].urb, + GFP_KERNEL); + if (ret) { + log(" submit urb error %d", ret); + goto out; + } + } + } +out: + mutex_unlock(&pd->lock); + return ret; +} + +void dvb_stop_streaming(struct pd_dvb_adapter *pd_dvb) +{ + struct poseidon *pd = pd_dvb->pd_device; + + mutex_lock(&pd->lock); + if (pd_dvb->is_streaming) { + s32 i, ret, cmd_status = 0; + + pd_dvb->is_streaming = 0; + + for (i = 0; i < DVB_SBUF_NUM; i++) + if (pd_dvb->dvb_sbuf[i].urb) + usb_kill_urb(pd_dvb->dvb_sbuf[i].urb); + + ret = send_set_req(pd, PLAY_SERVICE, 2, &cmd_status); + if (ret | cmd_status) + log("error"); + } + mutex_unlock(&pd->lock); +} + +static int pd_start_feed(struct dvb_demux_feed *feed) +{ + struct pd_dvb_adapter *pd_dvb = feed->demux->priv; + int ret = 0; + + if (!pd_dvb) + return -1; + if (atomic_inc_return(&pd_dvb->active_feed) == 1) + ret = dvb_start_streaming(pd_dvb); + return ret; +} + +static int pd_stop_feed(struct dvb_demux_feed *feed) +{ + struct pd_dvb_adapter *pd_dvb = feed->demux->priv; + + if (!pd_dvb) + return -1; + if (atomic_dec_and_test(&pd_dvb->active_feed)) + dvb_stop_streaming(pd_dvb); + return 0; +} + +static void dvb_hibernate_set(struct pd_dvb_adapter *pd_dvb) +{ + pd_dvb->reserved[1] = 1; +} +static void dvb_hibernate_clear(struct pd_dvb_adapter *pd_dvb) +{ + pd_dvb->reserved[1] = 0; +} +static bool dvb_in_hibernate(struct pd_dvb_adapter *pd_dvb) +{ + return pd_dvb->reserved[1]; +} +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +int pd_dvb_usb_device_init(struct poseidon *pd) +{ + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + struct dvb_demux *dvbdemux; + int ret = 0; + + if (dvb_in_hibernate(pd_dvb)) { + pd_dvb->udev = pd->udev; + dvb_hibernate_clear(pd_dvb); + return 0; + } + + pd_dvb->bulk_endAddre = 0x82; + atomic_set(&pd_dvb->users, 0); + atomic_set(&pd_dvb->active_feed, 0); + pd_dvb->pd_device = pd; + pd_dvb->udev = pd->udev; + + ret = dvb_register_adapter(&pd_dvb->dvb_adap, + "Poseidon dvbt adapter", + THIS_MODULE, + NULL /* for hibernation correctly*/, + adapter_nr); + if (ret < 0) + goto error1; + + /* register frontend */ + pd_dvb->dvb_fe.demodulator_priv = pd; + memcpy(&pd_dvb->dvb_fe.ops, &poseidon_frontend_ops, + sizeof(struct dvb_frontend_ops)); + ret = dvb_register_frontend(&pd_dvb->dvb_adap, &pd_dvb->dvb_fe); + if (ret < 0) + goto error2; + + /* register demux device */ + dvbdemux = &pd_dvb->demux; + dvbdemux->dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; + dvbdemux->priv = pd_dvb; + dvbdemux->feednum = dvbdemux->filternum = 64; + dvbdemux->start_feed = pd_start_feed; + dvbdemux->stop_feed = pd_stop_feed; + dvbdemux->write_to_decoder = NULL; + + ret = dvb_dmx_init(dvbdemux); + if (ret < 0) + goto error3; + + pd_dvb->dmxdev.filternum = pd_dvb->demux.filternum; + pd_dvb->dmxdev.demux = &pd_dvb->demux.dmx; + pd_dvb->dmxdev.capabilities = 0; + + ret = dvb_dmxdev_init(&pd_dvb->dmxdev, &pd_dvb->dvb_adap); + if (ret < 0) + goto error3; + return 0; + +error3: + dvb_unregister_frontend(&pd_dvb->dvb_fe); +error2: + dvb_unregister_adapter(&pd_dvb->dvb_adap); +error1: + return ret; +} + +void pd_dvb_usb_device_exit(struct poseidon *pd) +{ + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + + if (atomic_read(&pd_dvb->users) > 0 && in_hibernation(pd)) { + dvb_hibernate_set(pd_dvb); + return; + } + + while (atomic_read(&pd_dvb->users) != 0 + || atomic_read(&pd_dvb->active_feed) != 0) { + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + dvb_dmxdev_release(&pd_dvb->dmxdev); + dvb_unregister_frontend(&pd_dvb->dvb_fe); + dvb_unregister_adapter(&pd_dvb->dvb_adap); + pd_dvb_usb_device_cleanup(pd); +} + +void pd_dvb_usb_device_cleanup(struct poseidon *pd) +{ + struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; + + dvb_urb_cleanup(pd_dvb); +} + +int pd_dvb_get_adapter_num(struct pd_dvb_adapter *pd_dvb) +{ + return pd_dvb->dvb_adap.num; +}