diff options
| -rw-r--r-- | Documentation/ABI/removed/raw1394_legacy_isochronous | 16 | ||||
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 10 | ||||
| -rw-r--r-- | drivers/ieee1394/highlevel.c | 45 | ||||
| -rw-r--r-- | drivers/ieee1394/highlevel.h | 16 | ||||
| -rw-r--r-- | drivers/ieee1394/hosts.h | 8 | ||||
| -rw-r--r-- | drivers/ieee1394/ieee1394_core.c | 8 | ||||
| -rw-r--r-- | drivers/ieee1394/ieee1394_core.h | 5 | ||||
| -rw-r--r-- | drivers/ieee1394/ieee1394_transactions.c | 30 | ||||
| -rw-r--r-- | drivers/ieee1394/ieee1394_transactions.h | 2 | ||||
| -rw-r--r-- | drivers/ieee1394/ohci1394.c | 221 | ||||
| -rw-r--r-- | drivers/ieee1394/ohci1394.h | 14 | ||||
| -rw-r--r-- | drivers/ieee1394/pcilynx.c | 16 | ||||
| -rw-r--r-- | drivers/ieee1394/raw1394-private.h | 5 | ||||
| -rw-r--r-- | drivers/ieee1394/raw1394.c | 176 | ||||
| -rw-r--r-- | drivers/ieee1394/raw1394.h | 4 |
15 files changed, 48 insertions, 528 deletions
diff --git a/Documentation/ABI/removed/raw1394_legacy_isochronous b/Documentation/ABI/removed/raw1394_legacy_isochronous new file mode 100644 index 0000000..1b62962 --- /dev/null +++ b/Documentation/ABI/removed/raw1394_legacy_isochronous @@ -0,0 +1,16 @@ +What: legacy isochronous ABI of raw1394 (1st generation iso ABI) +Date: June 2007 (scheduled), removed in kernel v2.6.23 +Contact: linux1394-devel@lists.sourceforge.net +Description: + The two request types RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN have + been deprecated for quite some time. They are very inefficient as they + come with high interrupt load and several layers of callbacks for each + packet. Because of these deficiencies, the video1394 and dv1394 drivers + and the 3rd-generation isochronous ABI in raw1394 (rawiso) were created. + +Users: + libraw1394 users via the long deprecated API raw1394_iso_write, + raw1394_start_iso_write, raw1394_start_iso_rcv, raw1394_stop_iso_rcv + + libdc1394, which optionally uses these old libraw1394 calls + alternatively to the more efficient video1394 ABI diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 7d3f205..51b369e 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -49,16 +49,6 @@ Who: Adrian Bunk <bunk@stusta.de> --------------------------- -What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN -When: June 2007 -Why: Deprecated in favour of the more efficient and robust rawiso interface. - Affected are applications which use the deprecated part of libraw1394 - (raw1394_iso_write, raw1394_start_iso_write, raw1394_start_iso_rcv, - raw1394_stop_iso_rcv) or bypass libraw1394. -Who: Dan Dennedy <dan@dennedy.org>, Stefan Richter <stefanr@s5r6.in-berlin.de> - ---------------------------- - What: old NCR53C9x driver When: October 2007 Why: Replaced by the much better esp_scsi driver. Actual low-level diff --git a/drivers/ieee1394/highlevel.c b/drivers/ieee1394/highlevel.c index 83a49331..b642546 100644 --- a/drivers/ieee1394/highlevel.c +++ b/drivers/ieee1394/highlevel.c @@ -483,37 +483,6 @@ int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, return retval; } -/** - * hpsb_listen_channel - enable receving a certain isochronous channel - * - * Reception is handled through the @hl's iso_receive op. - */ -int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel) -{ - if (channel > 63) { - HPSB_ERR("%s called with invalid channel", __FUNCTION__); - return -EINVAL; - } - if (host->iso_listen_count[channel]++ == 0) - return host->driver->devctl(host, ISO_LISTEN_CHANNEL, channel); - return 0; -} - -/** - * hpsb_unlisten_channel - disable receving a certain isochronous channel - */ -void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel) -{ - if (channel > 63) { - HPSB_ERR("%s called with invalid channel", __FUNCTION__); - return; - } - if (--host->iso_listen_count[channel] == 0) - host->driver->devctl(host, ISO_UNLISTEN_CHANNEL, channel); -} - static void init_hpsb_highlevel(struct hpsb_host *host) { INIT_LIST_HEAD(&dummy_zero_addr.host_list); @@ -570,20 +539,6 @@ void highlevel_host_reset(struct hpsb_host *host) read_unlock_irqrestore(&hl_irqs_lock, flags); } -void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length) -{ - unsigned long flags; - struct hpsb_highlevel *hl; - int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f; - - read_lock_irqsave(&hl_irqs_lock, flags); - list_for_each_entry(hl, &hl_irqs, irq_list) { - if (hl->iso_receive) - hl->iso_receive(host, channel, data, length); - } - read_unlock_irqrestore(&hl_irqs_lock, flags); -} - void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, void *data, size_t length) { diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h index 63474f7..eb9fe32 100644 --- a/drivers/ieee1394/highlevel.h +++ b/drivers/ieee1394/highlevel.h @@ -26,9 +26,7 @@ struct hpsb_address_serve { struct hpsb_highlevel { const char *name; - /* Any of the following pointers can legally be NULL, except for - * iso_receive which can only be NULL when you don't request - * channels. */ + /* Any of the following pointers can legally be NULL. */ /* New host initialized. Will also be called during * hpsb_register_highlevel for all hosts already installed. */ @@ -43,13 +41,6 @@ struct hpsb_highlevel { * You can not expect to be able to do stock hpsb_reads. */ void (*host_reset)(struct hpsb_host *host); - /* An isochronous packet was received. Channel contains the channel - * number for your convenience, it is also contained in the included - * packet header (first quadlet, CRCs are missing). You may get called - * for channel/host combinations you did not request. */ - void (*iso_receive)(struct hpsb_host *host, int channel, - quadlet_t *data, size_t length); - /* A write request was received on either the FCP_COMMAND (direction = * 0) or the FCP_RESPONSE (direction = 1) register. The cts arg * contains the cts field (first byte of data). */ @@ -109,7 +100,6 @@ int highlevel_lock(struct hpsb_host *host, int nodeid, quadlet_t *store, int highlevel_lock64(struct hpsb_host *host, int nodeid, octlet_t *store, u64 addr, octlet_t data, octlet_t arg, int ext_tcode, u16 flags); -void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length); void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction, void *data, size_t length); @@ -125,10 +115,6 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, struct hpsb_address_ops *ops, u64 start, u64 end); int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host, u64 start); -int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel); -void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host, - unsigned int channel); void *hpsb_get_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host); void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host, diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h index 979fd19..e4e8aeb 100644 --- a/drivers/ieee1394/hosts.h +++ b/drivers/ieee1394/hosts.h @@ -28,8 +28,6 @@ struct hpsb_host { struct timer_list timeout; unsigned long timeout_interval; - unsigned char iso_listen_count[64]; - int node_count; /* number of identified nodes on this bus */ int selfid_count; /* total number of SelfIDs received */ int nodes_active; /* number of nodes with active link layer */ @@ -99,12 +97,6 @@ enum devctl_cmd { /* Cancel all outstanding async requests without resetting the bus. * Return void. */ CANCEL_REQUESTS, - - /* Start or stop receiving isochronous channel in arg. Return void. - * This acts as an optimization hint, hosts are not required not to - * listen on unrequested channels. */ - ISO_LISTEN_CHANNEL, - ISO_UNLISTEN_CHANNEL }; enum isoctl_cmd { diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index 8f71b6a..0fc8c6e 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -1028,11 +1028,6 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size, handle_incoming_packet(host, tcode, data, size, write_acked); break; - - case TCODE_ISO_DATA: - highlevel_iso_receive(host, data, size); - break; - case TCODE_CYCLE_START: /* simply ignore this packet if it is passed on */ break; @@ -1316,7 +1311,6 @@ EXPORT_SYMBOL(hpsb_make_streampacket); EXPORT_SYMBOL(hpsb_make_lockpacket); EXPORT_SYMBOL(hpsb_make_lock64packet); EXPORT_SYMBOL(hpsb_make_phypacket); -EXPORT_SYMBOL(hpsb_make_isopacket); EXPORT_SYMBOL(hpsb_read); EXPORT_SYMBOL(hpsb_write); EXPORT_SYMBOL(hpsb_packet_success); @@ -1327,8 +1321,6 @@ EXPORT_SYMBOL(hpsb_unregister_highlevel); EXPORT_SYMBOL(hpsb_register_addrspace); EXPORT_SYMBOL(hpsb_unregister_addrspace); EXPORT_SYMBOL(hpsb_allocate_and_register_addrspace); -EXPORT_SYMBOL(hpsb_listen_channel); -EXPORT_SYMBOL(hpsb_unlisten_channel); EXPORT_SYMBOL(hpsb_get_hostinfo); EXPORT_SYMBOL(hpsb_create_hostinfo); EXPORT_SYMBOL(hpsb_destroy_hostinfo); diff --git a/drivers/ieee1394/ieee1394_core.h b/drivers/ieee1394/ieee1394_core.h index 11fd324..21d50f7 100644 --- a/drivers/ieee1394/ieee1394_core.h +++ b/drivers/ieee1394/ieee1394_core.h @@ -24,9 +24,8 @@ struct hpsb_packet { nodeid_t node_id; - /* Async and Iso types should be clear, raw means send-as-is, do not - * CRC! Byte swapping shall still be done in this case. */ - enum { hpsb_async, hpsb_iso, hpsb_raw } __attribute__((packed)) type; + /* hpsb_raw = send as-is, do not CRC (but still byte-swap it) */ + enum { hpsb_async, hpsb_raw } __attribute__((packed)) type; /* Okay, this is core internal and a no care for hosts. * queued = queued for sending diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c index 40078ce..c39c70a 100644 --- a/drivers/ieee1394/ieee1394_transactions.c +++ b/drivers/ieee1394/ieee1394_transactions.c @@ -89,18 +89,6 @@ static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode, packet->expect_response = 1; } -static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel, - int tag, int sync) -{ - packet->header[0] = (length << 16) | (tag << 14) | (channel << 8) - | (TCODE_ISO_DATA << 4) | sync; - - packet->header_size = 4; - packet->data_size = length; - packet->type = hpsb_iso; - packet->tcode = TCODE_ISO_DATA; -} - static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data) { packet->header[0] = data; @@ -491,24 +479,6 @@ struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data) return p; } -struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host, - int length, int channel, - int tag, int sync) -{ - struct hpsb_packet *p; - - p = hpsb_alloc_packet(length); - if (!p) - return NULL; - - p->host = host; - fill_iso_packet(p, length, channel, tag, sync); - - p->generation = get_hpsb_generation(host); - - return p; -} - /* * FIXME - these functions should probably read from / write to user space to * avoid in kernel buffers for user space callers diff --git a/drivers/ieee1394/ieee1394_transactions.h b/drivers/ieee1394/ieee1394_transactions.h index 86b8ee6..d2d5bc3 100644 --- a/drivers/ieee1394/ieee1394_transactions.h +++ b/drivers/ieee1394/ieee1394_transactions.h @@ -19,8 +19,6 @@ struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node, u64 addr, int extcode, octlet_t *data, octlet_t arg); struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data); -struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host, int length, - int channel, int tag, int sync); struct hpsb_packet *hpsb_make_writepacket(struct hpsb_host *host, nodeid_t node, u64 addr, quadlet_t *buffer, size_t length); diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index a75b144..5667c81 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -157,7 +157,6 @@ static void dma_trm_reset(struct dma_trm_ctx *d); static int alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d, enum context_type type, int ctx, int num_desc, int buf_size, int split_buf_size, int context_base); -static void stop_dma_rcv_ctx(struct dma_rcv_ctx *d); static void free_dma_rcv_ctx(struct dma_rcv_ctx *d); static int alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d, @@ -520,9 +519,6 @@ static void ohci_initialize(struct ti_ohci *ohci) initialize_dma_trm_ctx(&ohci->at_req_context); initialize_dma_trm_ctx(&ohci->at_resp_context); - /* Initialize IR Legacy DMA channel mask */ - ohci->ir_legacy_channels = 0; - /* Accept AR requests from all nodes */ reg_write(ohci, OHCI1394_AsReqFilterHiSet, 0x80000000); @@ -869,36 +865,9 @@ static int ohci_transmit(struct hpsb_host *host, struct hpsb_packet *packet) return -EOVERFLOW; } - /* Decide whether we have an iso, a request, or a response packet */ if (packet->type == hpsb_raw) d = &ohci->at_req_context; - else if ((packet->tcode == TCODE_ISO_DATA) && (packet->type == hpsb_iso)) { - /* The legacy IT DMA context is initialized on first - * use. However, the alloc cannot be run from - * interrupt context, so we bail out if that is the - * case. I don't see anyone sending ISO packets from - * interrupt context anyway... */ - - if (ohci->it_legacy_context.ohci == NULL) { - if (in_interrupt()) { - PRINT(KERN_ERR, - "legacy IT context cannot be initialized during interrupt"); - return -EINVAL; - } - - if (alloc_dma_trm_ctx(ohci, &ohci->it_legacy_context, - DMA_CTX_ISO, 0, IT_NUM_DESC, - OHCI1394_IsoXmitContextBase) < 0) { - PRINT(KERN_ERR, - "error initializing legacy IT context"); - return -ENOMEM; - } - - initialize_dma_trm_ctx(&ohci->it_legacy_context); - } - - d = &ohci->it_legacy_context; - } else if ((packet->tcode & 0x02) && (packet->tcode != TCODE_ISO_DATA)) + else if ((packet->tcode & 0x02) && (packet->tcode != TCODE_ISO_DATA)) d = &ohci->at_resp_context; else d = &ohci->at_req_context; @@ -917,9 +886,7 @@ static int ohci_transmit(struct hpsb_host *host, struct hpsb_packet *packet) static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg) { struct ti_ohci *ohci = host->hostdata; - int retval = 0; - unsigned long flags; - int phy_reg; + int retval = 0, phy_reg; switch (cmd) { case RESET_BUS: @@ -1012,117 +979,6 @@ static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg) dma_trm_reset(&ohci->at_resp_context); break; - case ISO_LISTEN_CHANNEL: - { - u64 mask; - struct dma_rcv_ctx *d = &ohci->ir_legacy_context; - int ir_legacy_active; - - if (arg<0 || arg>63) { - PRINT(KERN_ERR, - "%s: IS0 listen channel %d is out of range", - __FUNCTION__, arg); - return -EFAULT; - } - - mask = (u64)0x1<<arg; - - spin_lock_irqsave(&ohci->IR_channel_lock, flags); - - if (ohci->ISO_channel_usage & mask) { - PRINT(KERN_ERR, - "%s: IS0 listen channel %d is already used", - __FUNCTION__, arg); - spin_unlock_irqrestore(&ohci->IR_channel_lock, flags); - return -EFAULT; - } - - ir_legacy_active = ohci->ir_legacy_channels; - - ohci->ISO_channel_usage |= mask; - ohci->ir_legacy_channels |= mask; - - spin_unlock_irqrestore(&ohci->IR_channel_lock, flags); - - if (!ir_legacy_active) { - if (ohci1394_register_iso_tasklet(ohci, - &ohci->ir_legacy_tasklet) < 0) { - PRINT(KERN_ERR, "No IR DMA context available"); - return -EBUSY; - } - - /* the IR context can be assigned to any DMA context - * by ohci1394_register_iso_tasklet */ - d->ctx = ohci->ir_legacy_tasklet.context; - d->ctrlSet = OHCI1394_IsoRcvContextControlSet + - 32*d->ctx; - d->ctrlClear = OHCI1394_IsoRcvContextControlClear + - 32*d->ctx; - d->cmdPtr = OHCI1394_IsoRcvCommandPtr + 32*d->ctx; - d->ctxtMatch = OHCI1394_IsoRcvContextMatch + 32*d->ctx; - - initialize_dma_rcv_ctx(&ohci->ir_legacy_context, 1); - - if (printk_ratelimit()) - DBGMSG("IR legacy activated"); - } - - spin_lock_irqsave(&ohci->IR_channel_lock, flags); - - if (arg>31) - reg_write(ohci, OHCI1394_IRMultiChanMaskHiSet, - 1<<(arg-32)); - else - reg_write(ohci, OHCI1394_IRMultiChanMaskLoSet, - 1<<arg); - - spin_unlock_irqrestore(&ohci->IR_channel_lock, flags); - DBGMSG("Listening enabled on channel %d", arg); - break; - } - case ISO_UNLISTEN_CHANNEL: - { - u64 mask; - - if (arg<0 || arg>63) { - PRINT(KERN_ERR, - "%s: IS0 unlisten channel %d is out of range", - __FUNCTION__, arg); - return -EFAULT; - } - - mask = (u64)0x1<<arg; - - spin_lock_irqsave(&ohci->IR_channel_lock, flags); - - if (!(ohci->ISO_channel_usage & mask)) { - PRINT(KERN_ERR, - "%s: IS0 unlisten channel %d is not used", - __FUNCTION__, arg); - spin_unlock_irqrestore(&ohci->IR_channel_lock, flags); - return -EFAULT; - } - - ohci->ISO_channel_usage &= ~mask; - ohci->ir_legacy_channels &= ~mask; - - if (arg>31) - reg_write(ohci, OHCI1394_IRMultiChanMaskHiClear, - 1<<(arg-32)); - else - reg_write(ohci, OHCI1394_IRMultiChanMaskLoClear, - 1<<arg); - - spin_unlock_irqrestore(&ohci->IR_channel_lock, flags); - DBGMSG("Listening disabled on channel %d", arg); - - if (ohci->ir_legacy_channels == 0) { - stop_dma_rcv_ctx(&ohci->ir_legacy_context); - DBGMSG("ISO legacy receive context stopped"); - } - - break; - } default: PRINT_G(KERN_ERR, "ohci_devctl cmd %d not implemented yet", cmd); @@ -2868,22 +2724,6 @@ static void dma_trm_tasklet (unsigned long data) spin_unlock_irqrestore(&d->lock, flags); } -static void stop_dma_rcv_ctx(struct dma_rcv_ctx *d) -{ - if (d->ctrlClear) { - ohci1394_stop_context(d->ohci, d->ctrlClear, NULL); - - if (d->type == DMA_CTX_ISO) { - /* disable interrupts */ - reg_write(d->ohci, OHCI1394_IsoRecvIntMaskClear, 1 << d->ctx); - ohci1394_unregister_iso_tasklet(d->ohci, &d->ohci->ir_legacy_tasklet); - } else { - tasklet_kill(&d->task); - } - } -} - - static void free_dma_rcv_ctx(struct dma_rcv_ctx *d) { int i; @@ -3005,18 +2845,11 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d, spin_lock_init(&d->lock); - if (type == DMA_CTX_ISO) { - ohci1394_init_iso_tasklet(&ohci->ir_legacy_tasklet, - OHCI_ISO_MULTICHANNEL_RECEIVE, - dma_rcv_tasklet, (unsigned long) d); - } else { - d->ctrlSet = context_base + OHCI1394_ContextControlSet; - d->ctrlClear = context_base + OHCI1394_ContextControlClear; - d->cmdPtr = context_base + OHCI1394_ContextCommandPtr; - - tasklet_init (&d->task, dma_rcv_tasklet, (unsigned long) d); - } + d->ctrlSet = context_base + OHCI1394_ContextControlSet; + d->ctrlClear = context_base + OHCI1394_ContextControlClear; + d->cmdPtr = context_base + OHCI1394_ContextCommandPtr; + tasklet_init(&d->task, dma_rcv_tasklet, (unsigned long) d); return 0; } @@ -3097,28 +2930,10 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d, spin_lock_init(&d->lock); /* initialize tasklet */ - if (type == DMA_CTX_ISO) { - ohci1394_init_iso_tasklet(&ohci->it_legacy_tasklet, OHCI_ISO_TRANSMIT, - dma_trm_tasklet, (unsigned long) d); - if (ohci1394_register_iso_tasklet(ohci, - &ohci->it_legacy_tasklet) < 0) { - PRINT(KERN_ERR, "No IT DMA context available"); - free_dma_trm_ctx(d); - return -EBUSY; - } - - /* IT can be assigned to any context by register_iso_tasklet */ - d->ctx = ohci->it_legacy_tasklet.context; - d->ctrlSet = OHCI1394_IsoXmitContextControlSet + 16 * d->ctx; - d->ctrlClear = OHCI1394_IsoXmitContextControlClear + 16 * d->ctx; - d->cmdPtr = OHCI1394_IsoXmitCommandPtr + 16 * d->ctx; - } else { - d->ctrlSet = context_base + OHCI1394_ContextControlSet; - d->ctrlClear = context_base + OHCI1394_ContextControlClear; - d->cmdPtr = context_base + OHCI1394_ContextCommandPtr; - tasklet_init (&d->task, dma_trm_tasklet, (unsigned long)d); - } - + d->ctrlSet = context_base + OHCI1394_ContextControlSet; + d->ctrlClear = context_base + OHCI1394_ContextControlClear; + d->cmdPtr = context_base + OHCI1394_ContextCommandPtr; + tasklet_init(&d->task, dma_trm_tasklet, (unsigned long)d); return 0; } @@ -3344,20 +3159,6 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, ohci->ISO_channel_usage = 0; spin_lock_init(&ohci->IR_channel_lock); - /* Allocate the IR DMA context right here so we don't have - * to do it in interrupt path - note that this doesn't - * waste much memory and avoids the jugglery required to - * allocate it in IRQ path. */ - if (alloc_dma_rcv_ctx(ohci, &ohci->ir_legacy_context, - DMA_CTX_ISO, 0, IR_NUM_DESC, - IR_BUF_SIZE, IR_SPLIT_BUF_SIZE, - OHCI1394_IsoRcvContextBase) < 0) { - FAIL(-ENOMEM, "Cannot allocate IR Legacy DMA context"); - } - - /* We hopefully don't have to pre-allocate IT DMA like we did - * for IR DMA above. Allocate it on-demand and mark inactive. */ - ohci->it_legacy_context.ohci = NULL; spin_lock_init(&ohci->event_lock); /* @@ -3450,8 +3251,6 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) free_dma_rcv_ctx(&ohci->ar_resp_context); free_dma_trm_ctx(&ohci->at_req_context); free_dma_trm_ctx(&ohci->at_resp_context); - free_dma_rcv_ctx(&ohci->ir_legacy_context); - free_dma_trm_ctx(&ohci->it_legacy_context); case OHCI_INIT_HAVE_SELFID_BUFFER: pci_free_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE, diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h index f1ad539..4320bf01 100644 --- a/drivers/ieee1394/ohci1394.h +++ b/drivers/ieee1394/ohci1394.h @@ -190,23 +190,10 @@ struct ti_ohci { unsigned long ir_multichannel_used; /* ditto */ spinlock_t IR_channel_lock; - /* iso receive (legacy API) */ - u64 ir_legacy_channels; /* note: this differs from ISO_channel_usage; - it only accounts for channels listened to - by the legacy API, so that we can know when - it is safe to free the legacy API context */ - - struct dma_rcv_ctx ir_legacy_context; - struct ohci1394_iso_tasklet ir_legacy_tasklet; - /* iso transmit */ int nb_iso_xmit_ctx; unsigned long it_ctx_usage; /* use test_and_set_bit() for atomicity */ - /* iso transmit (legacy API) */ - struct dma_trm_ctx it_legacy_context; - struct ohci1394_iso_tasklet it_legacy_tasklet; - u64 ISO_channel_usage; /* IEEE-1394 part follows */ @@ -221,7 +208,6 @@ struct ti_ohci { /* Tasklets for iso receive and transmit, used by video1394 * and dv1394 */ - struct list_head iso_tasklet_list; spinlock_t iso_tasklet_list_lock; diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c index 0742bef..d1a5bcd 100644 --- a/drivers/ieee1394/pcilynx.c +++ b/drivers/ieee1394/pcilynx.c @@ -477,7 +477,11 @@ static void send_next(struct ti_lynx *lynx, int what) struct lynx_send_data *d; struct hpsb_packet *packet; +#if 0 /* has been removed from ieee1394 core */ d = (what == hpsb_iso ? &lynx->iso_send : &lynx->async); +#else + d = &lynx->async; +#endif if (!list_empty(&d->pcl_queue)) { PRINT(KERN_ERR, lynx->id, "trying to queue a new packet in nonempty fifo"); BUG(); @@ -511,9 +515,11 @@ static void send_next(struct ti_lynx *lynx, int what) case hpsb_async: pcl.buffer[0].control |= PCL_CMD_XMT; break; +#if 0 /* has been removed from ieee1394 core */ case hpsb_iso: pcl.buffer[0].control |= PCL_CMD_XMT | PCL_ISOMODE; break; +#endif case hpsb_raw: pcl.buffer[0].control |= PCL_CMD_UNFXMT; break; @@ -542,9 +548,11 @@ static int lynx_transmit(struct hpsb_host *host, struct hpsb_packet *packet) case hpsb_raw: d = &lynx->async; break; +#if 0 /* has been removed from ieee1394 core */ case hpsb_iso: d = &lynx->iso_send; break; +#endif default: PRINT(KERN_ERR, lynx->id, "invalid packet type %d", packet->type); @@ -797,7 +805,7 @@ static int lynx_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg) } break; - +#if 0 /* has been removed from ieee1394 core */ case ISO_LISTEN_CHANNEL: spin_lock_irqsave(&lynx->iso_rcv.lock, flags); @@ -819,7 +827,7 @@ static int lynx_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg) spin_unlock_irqrestore(&lynx->iso_rcv.lock, flags); break; - +#endif default: PRINT(KERN_ERR, lynx->id, "unknown devctl command %d", cmd); retval = -1; @@ -1009,11 +1017,11 @@ static irqreturn_t lynx_irq_handler(int irq, void *dev_id) pci_unmap_single(lynx->dev, lynx->iso_send.data_dma, packet->data_size, PCI_DMA_TODEVICE); } - +#if 0 /* has been removed from ieee1394 core */ if (!list_empty(&lynx->iso_send.queue)) { send_next(lynx, hpsb_iso); } - +#endif spin_unlock(&lynx->iso_send.queue_lock); if (pcl.pcl_status & DMA_CHAN_STAT_PKTCMPL) { diff --git a/drivers/ieee1394/raw1394-private.h b/drivers/ieee1394/raw1394-private.h index 50daabf..a06aaad 100644 --- a/drivers/ieee1394/raw1394-private.h +++ b/drivers/ieee1394/raw1394-private.h @@ -36,11 +36,6 @@ struct file_info { u8 __user *fcp_buffer; - /* old ISO API */ - u64 listen_channels; - quadlet_t __user *iso_buffer; - size_t iso_buffer_length; - u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */ /* new rawiso API */ diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 1dadd5a..336e5ff 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -98,21 +98,6 @@ static struct hpsb_address_ops arm_ops = { static void queue_complete_cb(struct pending_request *req); -#include <asm/current.h> -static void print_old_iso_deprecation(void) -{ - static pid_t p; - - if (p == current->pid) - return; - p = current->pid; - printk(KERN_WARNING "raw1394: WARNING - Program \"%s\" uses unsupported" - " isochronous request types which will be removed in a next" - " kernel release\n", current->comm); - printk(KERN_WARNING "raw1394: Update your software to use libraw1394's" - " newer interface\n"); -} - static struct pending_request *__alloc_pending_request(gfp_t flags) { struct pending_request *req; @@ -297,67 +282,6 @@ static void host_reset(struct hpsb_host *host) spin_unlock_irqrestore(&host_info_lock, flags); } -static void iso_receive(struct hpsb_host *host, int channel, quadlet_t * data, - size_t length) -{ - unsigned long flags; - struct host_info *hi; - struct file_info *fi; - struct pending_request *req, *req_next; - struct iso_block_store *ibs = NULL; - LIST_HEAD(reqs); - - if ((atomic_read(&iso_buffer_size) + length) > iso_buffer_max) { - HPSB_INFO("dropped iso packet"); - return; - } - - spin_lock_irqsave(&host_info_lock, flags); - hi = find_host_info(host); - - if (hi != NULL) { - list_for_each_entry(fi, &hi->file_info_list, list) { - if (!(fi->listen_channels & (1ULL << channel))) - continue; - - req = __alloc_pending_request(GFP_ATOMIC); - if (!req) - break; - - if (!ibs) { - ibs = kmalloc(sizeof(*ibs) + length, - GFP_ATOMIC); - if (!ibs) { - kfree(req); - break; - } - - atomic_add(length, &iso_buffer_size); - atomic_set(&ibs->refcount, 0); - ibs->data_size = length; - memcpy(ibs->data, data, length); - } - - atomic_inc(&ibs->refcount); - - req->file_info = fi; - req->ibs = ibs; - req->data = ibs->data; - req->req.type = RAW1394_REQ_ISO_RECEIVE; - req->req.generation = get_hpsb_generation(host); - req->req.misc = 0; - req->req.recvb = ptr2int(fi->iso_buffer); - req->req.length = min(length, fi->iso_buffer_length); - - list_add_tail(&req->list, &reqs); - } - } - spin_unlock_irqrestore(&host_info_lock, flags); - - list_for_each_entry_safe(req, req_next, &reqs, list) - queue_complete_req(req); -} - static void fcp_request(struct hpsb_host *host, int nodeid, int direction, int cts, u8 * data, size_t length) { @@ -680,43 +604,6 @@ out_set_card: return 0; } -static void handle_iso_listen(struct file_info *fi, struct pending_request *req) -{ - int channel = req->req.misc; - - if ((channel > 63) || (channel < -64)) { - req->req.error = RAW1394_ERROR_INVALID_ARG; - } else if (channel >= 0) { - /* allocate channel req.misc */ - if (fi->listen_channels & (1ULL << channel)) { - req->req.error = RAW1394_ERROR_ALREADY; - } else { - if (hpsb_listen_channel - (&raw1394_highlevel, fi->host, channel)) { - req->req.error = RAW1394_ERROR_ALREADY; - } else { - fi->listen_channels |= 1ULL << channel; - fi->iso_buffer = int2ptr(req->req.recvb); - fi->iso_buffer_length = req->req.length; - } - } - } else { - /* deallocate channel (one's complement neg) req.misc */ - channel = ~channel; - - if (fi->listen_channels & (1ULL << channel)) { - hpsb_unlisten_channel(&raw1394_highlevel, fi->host, - channel); - fi->listen_channels &= ~(1ULL << channel); - } else { - req->req.error = RAW1394_ERROR_INVALID_ARG; - } - } - - req->req.length = 0; - queue_complete_req(req); -} - static void handle_fcp_listen(struct file_info *fi, struct pending_request *req) { if (req->req.misc) { @@ -890,50 +777,6 @@ static int handle_async_request(struct file_info *fi, return 0; } -static int handle_iso_send(struct file_info *fi, struct pending_request *req, - int channel) -{ - unsigned long flags; - struct hpsb_packet *packet; - - packet = hpsb_make_isopacket(fi->host, req->req.length, channel & 0x3f, - (req->req.misc >> 16) & 0x3, - req->req.misc & 0xf); - if (!packet) - return -ENOMEM; - - packet->speed_code = req->req.address & 0x3; - - req->packet = packet; - - if (copy_from_user(packet->data, int2ptr(req->req.sendb), - req->req.length)) { - req->req.error = RAW1394_ERROR_MEMFAULT; - req->req.length = 0; - queue_complete_req(req); - return 0; - } - - req->req.length = 0; - hpsb_set_packet_complete_task(packet, - (void (*)(void *))queue_complete_req, - req); - - spin_lock_irqsave(&fi->reqlists_lock, flags); - list_add_tail(&req->list, &fi->req_pending); - spin_unlock_irqrestore(&fi->reqlists_lock, flags); - - /* Update the generation of the packet just before sending. */ - packet->generation = req->req.generation; - - if (hpsb_send_packet(packet) < 0) { - req->req.error = RAW1394_ERROR_SEND_ERROR; - queue_complete_req(req); - } - - return 0; -} - static int handle_async_send(struct file_info *fi, struct pending_request *req) { unsigned long flags; @@ -2317,10 +2160,6 @@ static int state_connected(struct file_info *fi, struct pending_request *req) queue_complete_req(req); return 0; - case RAW1394_REQ_ISO_SEND: - print_old_iso_deprecation(); - return handle_iso_send(fi, req, node); - case RAW1394_REQ_ARM_REGISTER: return arm_register(fi, req); @@ -2336,9 +2175,12 @@ static int state_connected(struct file_info *fi, struct pending_request *req) case RAW1394_REQ_RESET_NOTIFY: return reset_notification(fi, req); + case RAW1394_REQ_ISO_SEND: case RAW1394_REQ_ISO_LISTEN: - print_old_iso_deprecation(); - handle_iso_listen(fi, req); + printk(KERN_DEBUG "raw1394: old iso ABI has been removed\n"); + req->req.error = RAW1394_ERROR_COMPAT; + req->req.misc = RAW1394_KERNELAPI_VERSION; + queue_complete_req(req); return 0; case RAW1394_REQ_FCP_LISTEN: @@ -2965,14 +2807,7 @@ static int raw1394_release(struct inode *inode, struct file *file) if (fi->iso_state != RAW1394_ISO_INACTIVE) raw1394_iso_shutdown(fi); - for (i = 0; i < 64; i++) { - if (fi->listen_channels & (1ULL << i)) { - hpsb_unlisten_channel(&raw1394_highlevel, fi->host, i); - } - } - spin_lock_irqsave(&host_info_lock, flags); - fi->listen_channels = 0; fail = 0; /* set address-entries invalid */ @@ -3134,7 +2969,6 @@ static struct hpsb_highlevel raw1394_highlevel = { .add_host = add_host, .remove_host = remove_host, .host_reset = host_reset, - .iso_receive = iso_receive, .fcp_request = fcp_request, }; diff --git a/drivers/ieee1394/raw1394.h b/drivers/ieee1394/raw1394.h index 7bd22ee..963ac20 100644 --- a/drivers/ieee1394/raw1394.h +++ b/drivers/ieee1394/raw1394.h @@ -17,11 +17,11 @@ #define RAW1394_REQ_ASYNC_WRITE 101 #define RAW1394_REQ_LOCK 102 #define RAW1394_REQ_LOCK64 103 -#define RAW1394_REQ_ISO_SEND 104 +#define RAW1394_REQ_ISO_SEND 104 /* removed ABI, now a no-op */ #define RAW1394_REQ_ASYNC_SEND 105 #define RAW1394_REQ_ASYNC_STREAM 106 -#define RAW1394_REQ_ISO_LISTEN 200 +#define RAW1394_REQ_ISO_LISTEN 200 /* removed ABI, now a no-op */ #define RAW1394_REQ_FCP_LISTEN 201 #define RAW1394_REQ_RESET_BUS 202 #define RAW1394_REQ_GET_ROM 203 |
