diff options
Diffstat (limited to 'drivers/media/dvb/firesat/firesat_1394.c')
-rw-r--r-- | drivers/media/dvb/firesat/firesat_1394.c | 301 |
1 files changed, 115 insertions, 186 deletions
diff --git a/drivers/media/dvb/firesat/firesat_1394.c b/drivers/media/dvb/firesat/firesat_1394.c index a13fbe6..82bd978 100644 --- a/drivers/media/dvb/firesat/firesat_1394.c +++ b/drivers/media/dvb/firesat/firesat_1394.c @@ -21,7 +21,6 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/types.h> -#include <asm/atomic.h> #include <dmxdev.h> #include <dvb_demux.h> @@ -40,40 +39,54 @@ #include "firesat-ci.h" #include "firesat-rc.h" -#define FIRESAT_Vendor_ID 0x001287 +#define MATCH_FLAGS IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \ + IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION +#define DIGITAL_EVERYWHERE_OUI 0x001287 static struct ieee1394_device_id firesat_id_table[] = { { /* FloppyDTV S/CI and FloppyDTV S2 */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000024, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000024, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, },{ /* FloppyDTV T/CI */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000025, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000025, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, },{ /* FloppyDTV C/CI */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000026, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000026, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, },{ /* FireDTV S/CI and FloppyDTV S2 */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000034, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000034, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, },{ /* FireDTV T/CI */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000035, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000035, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, },{ /* FireDTV C/CI */ - .match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID, - .model_id = 0x000036, - .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000036, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, }, { } }; @@ -98,8 +111,8 @@ static void fcp_request(struct hpsb_host *host, spin_lock_irqsave(&firesat_list_lock, flags); list_for_each_entry(firesat_entry,&firesat_list,list) { - if (firesat_entry->host == host && - firesat_entry->nodeentry->nodeid == nodeid && + if (firesat_entry->ud->ne->host == host && + firesat_entry->ud->ne->nodeid == nodeid && (firesat_entry->subunit == (data[1]&0x7) || (firesat_entry->subunit == 0 && (data[1]&0x7) == 0x7))) { @@ -110,12 +123,8 @@ static void fcp_request(struct hpsb_host *host, spin_unlock_irqrestore(&firesat_list_lock, flags); if (firesat) - AVCRecv(firesat,data,length); - else - printk("%s: received fcp request from unknown source, ignored\n", __func__); + avc_recv(firesat, data, length); } - else - printk("%s: received invalid fcp request, ignored\n", __func__); } const char *firedtv_model_names[] = { @@ -128,175 +137,108 @@ const char *firedtv_model_names[] = { static int firesat_probe(struct device *dev) { - struct unit_directory *ud = container_of(dev, struct unit_directory, device); + struct unit_directory *ud = + container_of(dev, struct unit_directory, device); struct firesat *firesat; - struct dvb_frontend *fe; unsigned long flags; - unsigned char subunitcount = 0xff, subunit; - struct firesat **firesats = kmalloc(sizeof (void*) * 2,GFP_KERNEL); int kv_len; + void *kv_str; int i; - char *kv_buf; + int err = -ENOMEM; - if (!firesats) { - printk("%s: couldn't allocate memory.\n", __func__); + firesat = kzalloc(sizeof(*firesat), GFP_KERNEL); + if (!firesat) return -ENOMEM; - } - -// printk(KERN_INFO "FireSAT: Detected device with GUID %08lx%04lx%04lx\n",(unsigned long)((ud->ne->guid)>>32),(unsigned long)(ud->ne->guid & 0xFFFF),(unsigned long)ud->ne->guid_vendor_id); - printk(KERN_INFO "%s: loading device\n", __func__); - - firesats[0] = NULL; - firesats[1] = NULL; - - ud->device.driver_data = firesats; - - for (subunit = 0; subunit < subunitcount; subunit++) { - - if (!(firesat = kmalloc(sizeof (struct firesat), GFP_KERNEL)) || - !(fe = kmalloc(sizeof (struct dvb_frontend), GFP_KERNEL))) { - - printk("%s: couldn't allocate memory.\n", __func__); - kfree(firesats); - return -ENOMEM; - } - - memset(firesat, 0, sizeof (struct firesat)); - - firesat->host = ud->ne->host; - firesat->guid = ud->ne->guid; - firesat->guid_vendor_id = ud->ne->guid_vendor_id; - firesat->nodeentry = ud->ne; - firesat->isochannel = -1; - firesat->tone = 0xff; - firesat->voltage = 0xff; - firesat->fe = fe; - - if (!(firesat->respfrm = kmalloc(sizeof (AVCRspFrm), GFP_KERNEL))) { - printk("%s: couldn't allocate memory.\n", __func__); - kfree(firesat); - return -ENOMEM; - } - - mutex_init(&firesat->avc_mutex); - init_waitqueue_head(&firesat->avc_wait); - atomic_set(&firesat->avc_reply_received, 1); - mutex_init(&firesat->demux_mutex); - INIT_WORK(&firesat->remote_ctrl_work, avc_remote_ctrl_work); - - spin_lock_irqsave(&firesat_list_lock, flags); - INIT_LIST_HEAD(&firesat->list); - list_add_tail(&firesat->list, &firesat_list); - spin_unlock_irqrestore(&firesat_list_lock, flags); - - if (subunit == 0) { - firesat->subunit = 0x7; // 0x7 = don't care - if (AVCSubUnitInfo(firesat, &subunitcount)) { - printk("%s: AVC subunit info command failed.\n",__func__); - spin_lock_irqsave(&firesat_list_lock, flags); - list_del(&firesat->list); - spin_unlock_irqrestore(&firesat_list_lock, flags); - kfree(firesat); - return -EIO; - } - } - - printk(KERN_INFO "%s: subunit count = %d\n", __func__, subunitcount); - - firesat->subunit = subunit; - - /* Reading device model from ROM */ - kv_len = (ud->model_name_kv->value.leaf.len - 2) * - sizeof(quadlet_t); - kv_buf = kmalloc((sizeof(quadlet_t) * kv_len), GFP_KERNEL); - memcpy(kv_buf, - CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv), - kv_len); - while ((kv_buf + kv_len - 1) == '\0') kv_len--; - kv_buf[kv_len++] = '\0'; - for (i = ARRAY_SIZE(firedtv_model_names); --i;) - if (strcmp(kv_buf, firedtv_model_names[i]) == 0) - break; - firesat->type = i; - kfree(kv_buf); - - if (AVCIdentifySubunit(firesat)) { - printk("%s: cannot identify subunit %d\n", __func__, subunit); - spin_lock_irqsave(&firesat_list_lock, flags); - list_del(&firesat->list); - spin_unlock_irqrestore(&firesat_list_lock, flags); - kfree(firesat); - continue; - } + dev->driver_data = firesat; + firesat->ud = ud; + firesat->subunit = 0; + firesat->isochannel = -1; + firesat->tone = 0xff; + firesat->voltage = 0xff; + + mutex_init(&firesat->avc_mutex); + init_waitqueue_head(&firesat->avc_wait); + firesat->avc_reply_received = true; + mutex_init(&firesat->demux_mutex); + INIT_WORK(&firesat->remote_ctrl_work, avc_remote_ctrl_work); + + /* Reading device model from ROM */ + kv_len = (ud->model_name_kv->value.leaf.len - 2) * sizeof(quadlet_t); + kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv); + for (i = ARRAY_SIZE(firedtv_model_names); --i;) + if (strlen(firedtv_model_names[i]) <= kv_len && + strncmp(kv_str, firedtv_model_names[i], kv_len) == 0) + break; + firesat->type = i; + + /* + * 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 = firesat_register_rc(firesat, dev->parent->parent); + if (err) + goto fail_free; + + INIT_LIST_HEAD(&firesat->list); + spin_lock_irqsave(&firesat_list_lock, flags); + list_add_tail(&firesat->list, &firesat_list); + spin_unlock_irqrestore(&firesat_list_lock, flags); + + err = avc_identify_subunit(firesat); + if (err) + goto fail; -// ---- - /* FIXME: check for error return */ - firesat_dvbdev_init(firesat, dev, fe); -// ---- - firesats[subunit] = firesat; - } // loop for all tuners + err = firesat_dvbdev_init(firesat, dev); + if (err) + goto fail; - if (firesats[0]) - AVCRegisterRemoteControl(firesats[0]); + avc_register_remote_control(firesat); + return 0; - return 0; +fail: + spin_lock_irqsave(&firesat_list_lock, flags); + list_del(&firesat->list); + spin_unlock_irqrestore(&firesat_list_lock, flags); + firesat_unregister_rc(firesat); +fail_free: + kfree(firesat); + return err; } static int firesat_remove(struct device *dev) { - struct unit_directory *ud = container_of(dev, struct unit_directory, device); - struct firesat **firesats = ud->device.driver_data; - int k; + struct firesat *firesat = dev->driver_data; unsigned long flags; - if (firesats) { - for (k = 0; k < 2; k++) - if (firesats[k]) { - firesat_ca_release(firesats[k]); - - dvb_unregister_frontend(firesats[k]->fe); - dvb_net_release(&firesats[k]->dvbnet); - firesats[k]->demux.dmx.close(&firesats[k]->demux.dmx); - firesats[k]->demux.dmx.remove_frontend(&firesats[k]->demux.dmx, &firesats[k]->frontend); - dvb_dmxdev_release(&firesats[k]->dmxdev); - dvb_dmx_release(&firesats[k]->demux); - dvb_unregister_adapter(firesats[k]->adapter); - - spin_lock_irqsave(&firesat_list_lock, flags); - list_del(&firesats[k]->list); - spin_unlock_irqrestore(&firesat_list_lock, flags); - - cancel_work_sync(&firesats[k]->remote_ctrl_work); - - kfree(firesats[k]->fe); - kfree(firesats[k]->adapter); - kfree(firesats[k]->respfrm); - kfree(firesats[k]); - } - kfree(firesats); - } else - printk("%s: can't get firesat handle\n", __func__); + firesat_ca_release(firesat); + dvb_unregister_frontend(&firesat->fe); + dvb_net_release(&firesat->dvbnet); + firesat->demux.dmx.close(&firesat->demux.dmx); + firesat->demux.dmx.remove_frontend(&firesat->demux.dmx, + &firesat->frontend); + dvb_dmxdev_release(&firesat->dmxdev); + dvb_dmx_release(&firesat->demux); + dvb_unregister_adapter(&firesat->adapter); + + spin_lock_irqsave(&firesat_list_lock, flags); + list_del(&firesat->list); + spin_unlock_irqrestore(&firesat_list_lock, flags); - printk(KERN_INFO "FireSAT: Removing device with vendor id 0x%x, model id 0x%x.\n",ud->vendor_id,ud->model_id); + cancel_work_sync(&firesat->remote_ctrl_work); + firesat_unregister_rc(firesat); + kfree(firesat); return 0; } static int firesat_update(struct unit_directory *ud) { - struct firesat **firesats = ud->device.driver_data; - int k; - // loop over subunits - - for (k = 0; k < 2; k++) - if (firesats[k]) { - firesats[k]->nodeentry = ud->ne; - - if (firesats[k]->isochannel >= 0) - try_CMPEstablishPPconnection(firesats[k], firesats[k]->subunit, firesats[k]->isochannel); - } + struct firesat *firesat = ud->device.driver_data; + if (firesat->isochannel >= 0) + cmp_establish_pp_connection(firesat, firesat->subunit, + firesat->isochannel); return 0; } @@ -328,26 +270,13 @@ static int __init firesat_init(void) ret = hpsb_register_protocol(&firesat_driver); if (ret) { printk(KERN_ERR "firedtv: failed to register protocol\n"); - goto fail; - } - - ret = firesat_register_rc(); - if (ret) { - printk(KERN_ERR "firedtv: failed to register input device\n"); - goto fail_rc; + hpsb_unregister_highlevel(&firesat_highlevel); } - - return 0; -fail_rc: - hpsb_unregister_protocol(&firesat_driver); -fail: - hpsb_unregister_highlevel(&firesat_highlevel); return ret; } static void __exit firesat_exit(void) { - firesat_unregister_rc(); hpsb_unregister_protocol(&firesat_driver); hpsb_unregister_highlevel(&firesat_highlevel); } |