diff options
Diffstat (limited to 'drivers/media/dvb')
24 files changed, 2959 insertions, 67 deletions
diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index 40ebde53b3c..b0198691892 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -51,6 +51,10 @@ comment "Supported SDMC DM1105 Adapters" depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/dm1105/Kconfig" +comment "Supported FireWire (IEEE 1394) Adapters" + depends on DVB_CORE && IEEE1394 +source "drivers/media/dvb/firewire/Kconfig" + comment "Supported DVB Frontends" depends on DVB_CORE source "drivers/media/dvb/frontends/Kconfig" diff --git a/drivers/media/dvb/Makefile b/drivers/media/dvb/Makefile index f91e9eb15e5..6092a5bb5a7 100644 --- a/drivers/media/dvb/Makefile +++ b/drivers/media/dvb/Makefile @@ -3,3 +3,5 @@ # obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dvb-usb/ pluto2/ siano/ dm1105/ + +obj-$(CONFIG_DVB_FIREDTV) += firewire/ diff --git a/drivers/media/dvb/b2c2/flexcop-hw-filter.c b/drivers/media/dvb/b2c2/flexcop-hw-filter.c index b386cc66c6b..451974ba32f 100644 --- a/drivers/media/dvb/b2c2/flexcop-hw-filter.c +++ b/drivers/media/dvb/b2c2/flexcop-hw-filter.c @@ -192,6 +192,7 @@ int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *d return 0; } +EXPORT_SYMBOL(flexcop_pid_feed_control); void flexcop_hw_filter_init(struct flexcop_device *fc) { diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c index 5b30dfc7846..76e37fd96bb 100644 --- a/drivers/media/dvb/b2c2/flexcop-pci.c +++ b/drivers/media/dvb/b2c2/flexcop-pci.c @@ -13,9 +13,9 @@ static int enable_pid_filtering = 1; module_param(enable_pid_filtering, int, 0444); MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1"); -static int irq_chk_intv; +static int irq_chk_intv = 100; module_param(irq_chk_intv, int, 0644); -MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ watchdog (currently just debugging)."); +MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ streaming watchdog."); #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG #define dprintk(level,args...) \ @@ -34,7 +34,9 @@ MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ watchdog (currently jus static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "set debug level (1=info,2=regs,4=TS,8=irqdma (|-able))." DEBSTATUS); +MODULE_PARM_DESC(debug, + "set debug level (1=info,2=regs,4=TS,8=irqdma,16=check (|-able))." + DEBSTATUS); #define DRIVER_VERSION "0.1" #define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver" @@ -58,6 +60,8 @@ struct flexcop_pci { int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */ u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */ int count; + int count_prev; + int stream_problem; spinlock_t irq_lock; @@ -103,18 +107,32 @@ static void flexcop_pci_irq_check_work(struct work_struct *work) container_of(work, struct flexcop_pci, irq_check_work.work); struct flexcop_device *fc = fc_pci->fc_dev; - flexcop_ibi_value v = fc->read_ibi_reg(fc,sram_dest_reg_714); - - flexcop_dump_reg(fc_pci->fc_dev,dma1_000,4); - - if (v.sram_dest_reg_714.net_ovflow_error) - deb_chk("sram net_ovflow_error\n"); - if (v.sram_dest_reg_714.media_ovflow_error) - deb_chk("sram media_ovflow_error\n"); - if (v.sram_dest_reg_714.cai_ovflow_error) - deb_chk("sram cai_ovflow_error\n"); - if (v.sram_dest_reg_714.cai_ovflow_error) - deb_chk("sram cai_ovflow_error\n"); + if (fc->feedcount) { + + if (fc_pci->count == fc_pci->count_prev) { + deb_chk("no IRQ since the last check\n"); + if (fc_pci->stream_problem++ == 3) { + struct dvb_demux_feed *feed; + + spin_lock_irq(&fc->demux.lock); + list_for_each_entry(feed, &fc->demux.feed_list, + list_head) { + flexcop_pid_feed_control(fc, feed, 0); + } + + list_for_each_entry(feed, &fc->demux.feed_list, + list_head) { + flexcop_pid_feed_control(fc, feed, 1); + } + spin_unlock_irq(&fc->demux.lock); + + fc_pci->stream_problem = 0; + } + } else { + fc_pci->stream_problem = 0; + fc_pci->count_prev = fc_pci->count; + } + } schedule_delayed_work(&fc_pci->irq_check_work, msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv)); @@ -216,16 +234,12 @@ static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff) flexcop_dma_control_timer_irq(fc,FC_DMA_1,1); deb_irq("IRQ enabled\n"); + fc_pci->count_prev = fc_pci->count; + // fc_pci->active_dma1_addr = 0; // flexcop_dma_control_size_irq(fc,FC_DMA_1,1); - if (irq_chk_intv > 0) - schedule_delayed_work(&fc_pci->irq_check_work, - msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv)); } else { - if (irq_chk_intv > 0) - cancel_delayed_work(&fc_pci->irq_check_work); - flexcop_dma_control_timer_irq(fc,FC_DMA_1,0); deb_irq("IRQ disabled\n"); @@ -299,8 +313,6 @@ static int flexcop_pci_init(struct flexcop_pci *fc_pci) IRQF_SHARED, DRIVER_NAME, fc_pci)) != 0) goto err_pci_iounmap; - - fc_pci->init_state |= FC_PCI_INIT; return ret; @@ -375,6 +387,10 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work); + if (irq_chk_intv > 0) + schedule_delayed_work(&fc_pci->irq_check_work, + msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv)); + return ret; err_fc_exit: @@ -393,6 +409,9 @@ static void flexcop_pci_remove(struct pci_dev *pdev) { struct flexcop_pci *fc_pci = pci_get_drvdata(pdev); + if (irq_chk_intv > 0) + cancel_delayed_work(&fc_pci->irq_check_work); + flexcop_pci_dma_exit(fc_pci); flexcop_device_exit(fc_pci->fc_dev); flexcop_pci_exit(fc_pci); diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c index 676413a915b..91068952b50 100644 --- a/drivers/media/dvb/b2c2/flexcop.c +++ b/drivers/media/dvb/b2c2/flexcop.c @@ -212,8 +212,7 @@ void flexcop_reset_block_300(struct flexcop_device *fc) v210.sw_reset_210.Block_reset_enable = 0xb2; fc->write_ibi_reg(fc,sw_reset_210,v210); - msleep(1); - + udelay(1000); fc->write_ibi_reg(fc,ctrl_208,v208_save); } diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 29e8f1546ab..fec1d77fa85 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -1683,7 +1683,7 @@ static int dst_tune_frontend(struct dvb_frontend* fe, static int dst_get_tuning_algo(struct dvb_frontend *fe) { - return dst_algo; + return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW; } static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c index 0c733c66a44..069d847ba88 100644 --- a/drivers/media/dvb/dvb-core/dmxdev.c +++ b/drivers/media/dvb/dvb-core/dmxdev.c @@ -364,16 +364,15 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, enum dmx_success success) { struct dmxdev_filter *dmxdevfilter = filter->priv; - unsigned long flags; int ret; if (dmxdevfilter->buffer.error) { wake_up(&dmxdevfilter->buffer.queue); return 0; } - spin_lock_irqsave(&dmxdevfilter->dev->lock, flags); + spin_lock(&dmxdevfilter->dev->lock); if (dmxdevfilter->state != DMXDEV_STATE_GO) { - spin_unlock_irqrestore(&dmxdevfilter->dev->lock, flags); + spin_unlock(&dmxdevfilter->dev->lock); return 0; } del_timer(&dmxdevfilter->timer); @@ -392,7 +391,7 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, } if (dmxdevfilter->params.sec.flags & DMX_ONESHOT) dmxdevfilter->state = DMXDEV_STATE_DONE; - spin_unlock_irqrestore(&dmxdevfilter->dev->lock, flags); + spin_unlock(&dmxdevfilter->dev->lock); wake_up(&dmxdevfilter->buffer.queue); return 0; } @@ -404,12 +403,11 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, { struct dmxdev_filter *dmxdevfilter = feed->priv; struct dvb_ringbuffer *buffer; - unsigned long flags; int ret; - spin_lock_irqsave(&dmxdevfilter->dev->lock, flags); + spin_lock(&dmxdevfilter->dev->lock); if (dmxdevfilter->params.pes.output == DMX_OUT_DECODER) { - spin_unlock_irqrestore(&dmxdevfilter->dev->lock, flags); + spin_unlock(&dmxdevfilter->dev->lock); return 0; } @@ -419,7 +417,7 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, else buffer = &dmxdevfilter->dev->dvr_buffer; if (buffer->error) { - spin_unlock_irqrestore(&dmxdevfilter->dev->lock, flags); + spin_unlock(&dmxdevfilter->dev->lock); wake_up(&buffer->queue); return 0; } @@ -430,7 +428,7 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, dvb_ringbuffer_flush(buffer); buffer->error = ret; } - spin_unlock_irqrestore(&dmxdevfilter->dev->lock, flags); + spin_unlock(&dmxdevfilter->dev->lock); wake_up(&buffer->queue); return 0; } diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c index a2c1fd5d2f6..e2eca0b1fe7 100644 --- a/drivers/media/dvb/dvb-core/dvb_demux.c +++ b/drivers/media/dvb/dvb-core/dvb_demux.c @@ -399,9 +399,7 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf, size_t count) { - unsigned long flags; - - spin_lock_irqsave(&demux->lock, flags); + spin_lock(&demux->lock); while (count--) { if (buf[0] == 0x47) @@ -409,17 +407,16 @@ void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf, buf += 188; } - spin_unlock_irqrestore(&demux->lock, flags); + spin_unlock(&demux->lock); } EXPORT_SYMBOL(dvb_dmx_swfilter_packets); void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count) { - unsigned long flags; int p = 0, i, j; - spin_lock_irqsave(&demux->lock, flags); + spin_lock(&demux->lock); if (demux->tsbufp) { i = demux->tsbufp; @@ -452,18 +449,17 @@ void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count) } bailout: - spin_unlock_irqrestore(&demux->lock, flags); + spin_unlock(&demux->lock); } EXPORT_SYMBOL(dvb_dmx_swfilter); void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, size_t count) { - unsigned long flags; int p = 0, i, j; u8 tmppack[188]; - spin_lock_irqsave(&demux->lock, flags); + spin_lock(&demux->lock); if (demux->tsbufp) { i = demux->tsbufp; @@ -504,7 +500,7 @@ void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, size_t count) } bailout: - spin_unlock_irqrestore(&demux->lock, flags); + spin_unlock(&demux->lock); } EXPORT_SYMBOL(dvb_dmx_swfilter_204); diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 84340778508..8dcb3fbf7ac 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1290,9 +1290,6 @@ static int dtv_property_process_set(struct dvb_frontend *fe, dprintk("%s() Finalised property cache\n", __func__); dtv_property_cache_submit(fe); - /* Request the search algorithm to search */ - fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; - r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, &fepriv->parameters); break; @@ -1717,6 +1714,10 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, fepriv->min_delay = (dvb_override_tune_delay * HZ) / 1000; fepriv->state = FESTATE_RETUNE; + + /* Request the search algorithm to search */ + fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; + dvb_frontend_wakeup(fe); dvb_frontend_add_event(fe, 0); fepriv->status = 0; diff --git a/drivers/media/dvb/firewire/Kconfig b/drivers/media/dvb/firewire/Kconfig new file mode 100644 index 00000000000..69028253e98 --- /dev/null +++ b/drivers/media/dvb/firewire/Kconfig @@ -0,0 +1,22 @@ +config DVB_FIREDTV + tristate "FireDTV and FloppyDTV" + depends on DVB_CORE && IEEE1394 + help + Support for DVB receivers from Digital Everywhere + which are connected via IEEE 1394 (FireWire). + + These devices don't have an MPEG decoder built in, + so you need an external software decoder to watch TV. + + To compile this driver as a module, say M here: + the module will be called firedtv. + +if DVB_FIREDTV + +config DVB_FIREDTV_IEEE1394 + def_bool IEEE1394 + +config DVB_FIREDTV_INPUT + def_bool INPUT = y || (INPUT = m && DVB_FIREDTV = m) + +endif # DVB_FIREDTV diff --git a/drivers/media/dvb/firewire/Makefile b/drivers/media/dvb/firewire/Makefile new file mode 100644 index 00000000000..2034695ba19 --- /dev/null +++ b/drivers/media/dvb/firewire/Makefile @@ -0,0 +1,8 @@ +obj-$(CONFIG_DVB_FIREDTV) += firedtv.o + +firedtv-y := firedtv-avc.o firedtv-ci.o firedtv-dvb.o firedtv-fe.o +firedtv-$(CONFIG_DVB_FIREDTV_IEEE1394) += firedtv-1394.o +firedtv-$(CONFIG_DVB_FIREDTV_INPUT) += firedtv-rc.o + +ccflags-y += -Idrivers/media/dvb/dvb-core +ccflags-$(CONFIG_DVB_FIREDTV_IEEE1394) += -Idrivers/ieee1394 diff --git a/drivers/media/dvb/firewire/firedtv-1394.c b/drivers/media/dvb/firewire/firedtv-1394.c new file mode 100644 index 00000000000..4e207658c5d --- /dev/null +++ b/drivers/media/dvb/firewire/firedtv-1394.c @@ -0,0 +1,285 @@ +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2007-2008 Ben Backx <ben@bbackx.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + * + * 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. + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#include <dma.h> +#include <csr1212.h> +#include <highlevel.h> +#include <hosts.h> +#include <ieee1394.h> +#include <iso.h> +#include <nodemgr.h> + +#include "firedtv.h" + +static LIST_HEAD(node_list); +static DEFINE_SPINLOCK(node_list_lock); + +#define FIREWIRE_HEADER_SIZE 4 +#define CIP_HEADER_SIZE 8 + +static void rawiso_activity_cb(struct hpsb_iso *iso) +{ + struct firedtv *f, *fdtv = NULL; + unsigned int i, num, packet; + unsigned char *buf; + unsigned long flags; + int count; + + spin_lock_irqsave(&node_list_lock, flags); + list_for_each_entry(f, &node_list, list) + if (f->backend_data == iso) { + fdtv = f; + break; + } + spin_unlock_irqrestore(&node_list_lock, flags); + + packet = iso->first_packet; + num = hpsb_iso_n_ready(iso); + + if (!fdtv) { + dev_err(fdtv->device, "received at unknown iso channel\n"); + goto out; + } + + for (i = 0; i < num; i++, packet = (packet + 1) % iso->buf_packets) { + buf = dma_region_i(&iso->data_buf, unsigned char, + iso->infos[packet].offset + CIP_HEADER_SIZE); + count = (iso->infos[packet].len - CIP_HEADER_SIZE) / + (188 + FIREWIRE_HEADER_SIZE); + + /* ignore empty packet */ + if (iso->infos[packet].len <= CIP_HEADER_SIZE) + continue; + + while (count--) { + if (buf[FIREWIRE_HEADER_SIZE] == 0x47) + dvb_dmx_swfilter_packets(&fdtv->demux, + &buf[FIREWIRE_HEADER_SIZE], 1); + else + dev_err(fdtv->device, + "skipping invalid packet\n"); + buf += 188 + FIREWIRE_HEADER_SIZE; + } + } +out: + hpsb_iso_recv_release_packets(iso, num); +} + +static inline struct node_entry *node_of(struct firedtv *fdtv) +{ + return container_of(fdtv->device, struct unit_directory, device)->ne; +} + +static int node_lock(struct firedtv *fdtv, u64 addr, void *data, __be32 arg) +{ + return hpsb_node_lock(node_of(fdtv), addr, EXTCODE_COMPARE_SWAP, data, + (__force quadlet_t)arg); +} + +static int node_read(struct firedtv *fdtv, u64 addr, void *data, size_t len) +{ + return hpsb_node_read(node_of(fdtv), addr, data, len); +} + +static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len) +{ + return hpsb_node_write(node_of(fdtv), addr, data, len); +} + +#define FDTV_ISO_BUFFER_PACKETS 256 +#define FDTV_ISO_BUFFER_SIZE (FDTV_ISO_BUFFER_PACKETS * 200) + +static int start_iso(struct firedtv *fdtv) +{ + struct hpsb_iso *iso_handle; + int ret; + + iso_handle = hpsb_iso_recv_init(node_of(fdtv)->host, + FDTV_ISO_BUFFER_SIZE, FDTV_ISO_BUFFER_PACKETS, + fdtv->isochannel, HPSB_ISO_DMA_DEFAULT, + -1, /* stat.config.irq_interval */ + rawiso_activity_cb); + if (iso_handle == NULL) { + dev_err(fdtv->device, "cannot initialize iso receive\n"); + return -ENOMEM; + } + fdtv->backend_data = iso_handle; + + ret = hpsb_iso_recv_start(iso_handle, -1, -1, 0); + if (ret != 0) { + dev_err(fdtv->device, "cannot start iso receive\n"); + hpsb_iso_shutdown(iso_handle); + fdtv->backend_data = NULL; + } + return ret; +} + +static void stop_iso(struct firedtv *fdtv) +{ + struct hpsb_iso *iso_handle = fdtv->backend_data; + + if (iso_handle != NULL) { + hpsb_iso_stop(iso_handle); + hpsb_iso_shutdown(iso_handle); + } + fdtv->backend_data = NULL; +} + +static const struct firedtv_backend fdtv_1394_backend = { + .lock = node_lock, + .read = node_read, + .write = node_write, + .start_iso = start_iso, + .stop_iso = stop_iso, +}; + +static void fcp_request(struct hpsb_host *host, int nodeid, int direction, + int cts, u8 *data, size_t length) +{ + struct firedtv *f, *fdtv = NULL; + unsigned long flags; + int su; + + if (length == 0 || (data[0] & 0xf0) != 0) + return; + + su = data[1] & 0x7; + + spin_lock_irqsave(&node_list_lock, flags); + list_for_each_entry(f, &node_list, list) + if (node_of(f)->host == host && + node_of(f)->nodeid == nodeid && + (f->subunit == su || (f->subunit == 0 && su == 0x7))) { + fdtv = f; + break; + } + spin_unlock_irqrestore(&node_list_lock, flags); + + if (fdtv) + avc_recv(fdtv, data, length); +} + +static int node_probe(struct device *dev) +{ + struct unit_directory *ud = + container_of(dev, struct unit_directory, device); + struct firedtv *fdtv; + int kv_len, err; + void *kv_str; + + kv_len = (ud->model_name_kv->value.leaf.len - 2) * sizeof(quadlet_t); + kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv); + + fdtv = fdtv_alloc(dev, &fdtv_1394_backend, kv_str, kv_len); + if (!fdtv) + return -ENOMEM; + + /* + * Work around a bug in udev's path_id script: Use the fw-host's dev + * instead of the unit directory's dev as parent of the input device. + */ + err = fdtv_register_rc(fdtv, dev->parent->parent); + if (err) + goto fail_free; + + spin_lock_irq(&node_list_lock); + list_add_tail(&fdtv->list, &node_list); + spin_unlock_irq(&node_list_lock); + + err = avc_identify_subunit(fdtv); + if (err) + goto fail; + + err = fdtv_dvb_register(fdtv); + if (err) + goto fail; + + avc_register_remote_control(fdtv); + return 0; +fail: + spin_lock_irq(&node_list_lock); + list_del(&fdtv->list); + spin_unlock_irq(&node_list_lock); + fdtv_unregister_rc(fdtv); +fail_free: + kfree(fdtv); + return err; +} + +static int node_remove(struct device *dev) +{ + struct firedtv *fdtv = dev->driver_data; + + fdtv_dvb_unregister(fdtv); + + spin_lock_irq(&node_list_lock); + list_del(&fdtv->list); + spin_unlock_irq(&node_list_lock); + + cancel_work_sync(&fdtv->remote_ctrl_work); + fdtv_unregister_rc(fdtv); + + kfree(fdtv); + return 0; +} + +static int node_update(struct unit_directory *ud) +{ + struct firedtv *fdtv = ud->device.driver_data; + + if (fdtv->isochannel >= 0) + cmp_establish_pp_connection(fdtv, fdtv->subunit, + fdtv->isochannel); + return 0; +} + +static struct hpsb_protocol_driver fdtv_driver = { + .name = "firedtv", + .update = node_update, + .driver = { + .probe = node_probe, + .remove = node_remove, + }, +}; + +static struct hpsb_highlevel fdtv_highlevel = { + .name = "firedtv", + .fcp_request = fcp_request, +}; + +int __init fdtv_1394_init(struct ieee1394_device_id id_table[]) +{ + int ret; + + hpsb_register_highlevel(&fdtv_highlevel); + fdtv_driver.id_table = id_table; + ret = hpsb_register_protocol(&fdtv_driver); + if (ret) { + printk(KERN_ERR "firedtv: failed to register protocol\n"); + hpsb_unregister_highlevel(&fdtv_highlevel); + } + return ret; +} + +void __exit fdtv_1394_exit(void) +{ + hpsb_unregister_protocol(&fdtv_driver); + hpsb_unregister_highlevel(&fdtv_highlevel); +} diff --git a/drivers/media/dvb/firewire/firedtv-avc.c b/drivers/media/dvb/firewire/firedtv-avc.c new file mode 100644 index 00000000000..b55d9ccaf33 --- /dev/null +++ b/drivers/media/dvb/firewire/firedtv-avc.c @@ -0,0 +1,1315 @@ +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Ben Backx <ben@bbackx.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + * + * 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. + */ + +#include <linux/bug.h> +#include <linux/crc32.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/jiffies.h> +#include <linux/kernel.h> +#include <linux/moduleparam.h> +#include <linux/mutex.h> +#include <linux/string.h> +#include <linux/stringify.h> +#include <linux/wait.h> +#include <linux/workqueue.h> + +#include "firedtv.h" + +#define FCP_COMMAND_REGISTER 0xfffff0000b00ULL + +#define AVC_CTYPE_CONTROL 0x0 +#define AVC_CTYPE_STATUS 0x1 +#define AVC_CTYPE_NOTIFY 0x3 + +#define AVC_RESPONSE_ACCEPTED 0x9 +#define AVC_RESPONSE_STABLE 0xc +#define AVC_RESPONSE_CHANGED 0xd +#define AVC_RESPONSE_INTERIM 0xf + +#define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3) +#define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3) + +#define AVC_OPCODE_VENDOR 0x00 +#define AVC_OPCODE_READ_DESCRIPTOR 0x09 +#define AVC_OPCODE_DSIT 0xc8 +#define AVC_OPCODE_DSD 0xcb + +#define DESCRIPTOR_TUNER_STATUS 0x80 +#define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x00 + +#define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */ +#define SFE_VENDOR_DE_COMPANYID_1 0x12 +#define SFE_VENDOR_DE_COMPANYID_2 0x87 + +#define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a +#define SFE_VENDOR_OPCODE_LNB_CONTROL 0x52 +#define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */ + +#define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x00 +#define SFE_VENDOR_OPCODE_HOST2CA 0x56 +#define SFE_VENDOR_OPCODE_CA2HOST 0x57 +#define SFE_VENDOR_OPCODE_CISTATUS 0x59 +#define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */ + +#define SFE_VENDOR_TAG_CA_RESET 0x00 +#define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x01 +#define SFE_VENDOR_TAG_CA_PMT 0x02 +#define SFE_VENDOR_TAG_CA_DATE_TIME 0x04 +#define SFE_VENDOR_TAG_CA_MMI 0x05 +#define SFE_VENDOR_TAG_CA_ENTER_MENU 0x07 + +#define EN50221_LIST_MANAGEMENT_ONLY 0x03 +#define EN50221_TAG_APP_INFO 0x9f8021 +#define EN50221_TAG_CA_INFO 0x9f8031 + +struct avc_command_frame { + int length; + u8 ctype; + u8 subunit; + u8 opcode; + u8 operand[509]; +}; + +struct avc_response_frame { + int length; + u8 response; + u8 subunit; + u8 opcode; + u8 operand[509]; +}; + +#define AVC_DEBUG_FCP_SUBACTIONS 1 +#define AVC_DEBUG_FCP_PAYLOADS 2 + +static int avc_debug; +module_param_named(debug, avc_debug, int, 0644); +MODULE_PARM_DESC(debug, "Verbose logging (default = 0" + ", FCP subactions = " __stringify(AVC_DEBUG_FCP_SUBACTIONS) + ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS) + ", or all = -1)"); + +static const char *debug_fcp_ctype(unsigned int ctype) +{ + static const char *ctypes[] = { + [0x0] = "CONTROL", [0x1] = "STATUS", + [0x2] = "SPECIFIC INQUIRY", [0x3] = "NOTIFY", + [0x4] = "GENERAL INQUIRY", [0x8] = "NOT IMPLEMENTED", + [0x9] = "ACCEPTED", [0xa] = "REJECTED", + [0xb] = "IN TRANSITION", [0xc] = "IMPLEMENTED/STABLE", + [0xd] = "CHANGED", [0xf] = "INTERIM", + }; + const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL; + + return ret ? ret : "?"; +} + +static const char *debug_fcp_opcode(unsigned int opcode, + const u8 *data, size_t length) +{ + switch (opcode) { + case AVC_OPCODE_VENDOR: break; + case AVC_OPCODE_READ_DESCRIPTOR: return "ReadDescriptor"; + case AVC_OPCODE_DSIT: return "DirectSelectInfo.Type"; + case AVC_OPCODE_DSD: return "DirectSelectData"; + default: return "?"; + } + + if (length < 7 || + data[3] != SFE_VENDOR_DE_COMPANYID_0 || + data[4] != SFE_VENDOR_DE_COMPANYID_1 || + data[5] != SFE_VENDOR_DE_COMPANYID_2) + return "Vendor"; + + switch (data[6]) { + case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: return "RegisterRC"; + case SFE_VENDOR_OPCODE_LNB_CONTROL: return "LNBControl"; + case SFE_VENDOR_OPCODE_TUNE_QPSK: return "TuneQPSK"; + case SFE_VENDOR_OPCODE_HOST2CA: return "Host2CA"; + case SFE_VENDOR_OPCODE_CA2HOST: return "CA2Host"; + } + return "Vendor"; +} + +static void debug_fcp(const u8 *data, size_t length) +{ + unsigned int subunit_type, subunit_id, op; + const char *prefix = data[0] > 7 ? "FCP <- " : "FCP -> "; + + if (avc_debug & AVC_DEBUG_FCP_SUBACTIONS) { + subunit_type = data[1] >> 3; + subunit_id = data[1] & 7; + op = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; + printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n", + prefix, subunit_type, subunit_id, length, + debug_fcp_ctype(data[0]), + debug_fcp_opcode(op, data, length)); + } + + if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) + print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, 16, 1, + data, length, false); +} + +static int __avc_write(struct firedtv *fdtv, + const struct avc_command_frame *c, struct avc_response_frame *r) +{ + int err, retry; + + if (r) + fdtv->avc_reply_received = false; + + for (retry = 0; retry < 6; retry++) { + if (unlikely(avc_debug)) + debug_fcp(&c->ctype, c->length); + + err = fdtv->backend->write(fdtv, FCP_COMMAND_REGISTER, + (void *)&c->ctype, c->length); + if (err) { + fdtv->avc_reply_received = true; + dev_err(fdtv->device, "FCP command write failed\n"); + return err; + } + + if (!r) + return 0; + + /* + * AV/C specs say that answers should be sent within 150 ms. + * Time out after 200 ms. + */ + if (wait_event_timeout(fdtv->avc_wait, + fdtv->avc_reply_received, + msecs_to_jiffies(200)) != 0) { + r->length = fdtv->response_length; + memcpy(&r->response, fdtv->response, r->length); + + return 0; + } + } + dev_err(fdtv->device, "FCP response timed out\n"); + return -ETIMEDOUT; +} + +static int avc_write(struct firedtv *fdtv, + const struct avc_command_frame *c, struct avc_response_frame *r) +{ + int ret; + + if (mutex_lock_interruptible(&fdtv->avc_mutex)) + return -EINTR; + + ret = __avc_write(fdtv, c, r); + + mutex_unlock(&fdtv->avc_mutex); + return ret; +} + +int avc_recv(struct firedtv *fdtv, void *data, size_t length) +{ + struct avc_response_frame *r = + data - offsetof(struct avc_response_frame, response); + + if (unlikely(avc_debug)) + debug_fcp(data, length); + + if (length >= 8 && + r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 & |