コード例 #1
0
static int ps3_ehci_probe(struct ps3_system_bus_device *dev)
{
	int result;
	struct usb_hcd *hcd;
	unsigned int virq;
	static u64 dummy_mask = DMA_32BIT_MASK;

	if (usb_disabled()) {
		result = -ENODEV;
		goto fail_start;
	}

	result = ps3_open_hv_device(dev);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: ps3_open_hv_device failed\n",
			__func__, __LINE__);
		goto fail_open;
	}

	result = ps3_dma_region_create(dev->d_region);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: ps3_dma_region_create failed: "
			"(%d)\n", __func__, __LINE__, result);
		BUG_ON("check region type");
		goto fail_dma_region;
	}

	result = ps3_mmio_region_create(dev->m_region);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n",
			__func__, __LINE__);
		result = -EPERM;
		goto fail_mmio_region;
	}

	dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__,
		__LINE__, dev->m_region->lpar_addr);

	result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n",
			__func__, __LINE__, virq);
		result = -EPERM;
		goto fail_irq;
	}

	dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */

	hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev_name(&dev->core));

	if (!hcd) {
		dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,
			__LINE__);
		result = -ENOMEM;
		goto fail_create_hcd;
	}

	hcd->rsrc_start = dev->m_region->lpar_addr;
	hcd->rsrc_len = dev->m_region->len;

	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name))
		dev_dbg(&dev->core, "%s:%d: request_mem_region failed\n",
			__func__, __LINE__);

	hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len);

	if (!hcd->regs) {
		dev_dbg(&dev->core, "%s:%d: ioremap failed\n", __func__,
			__LINE__);
		result = -EPERM;
		goto fail_ioremap;
	}

	dev_dbg(&dev->core, "%s:%d: hcd->rsrc_start %lxh\n", __func__, __LINE__,
		(unsigned long)hcd->rsrc_start);
	dev_dbg(&dev->core, "%s:%d: hcd->rsrc_len   %lxh\n", __func__, __LINE__,
		(unsigned long)hcd->rsrc_len);
	dev_dbg(&dev->core, "%s:%d: hcd->regs       %lxh\n", __func__, __LINE__,
		(unsigned long)hcd->regs);
	dev_dbg(&dev->core, "%s:%d: virq            %lu\n", __func__, __LINE__,
		(unsigned long)virq);

	ps3_system_bus_set_driver_data(dev, hcd);

	result = usb_add_hcd(hcd, virq, IRQF_DISABLED);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: usb_add_hcd failed (%d)\n",
			__func__, __LINE__, result);
		goto fail_add_hcd;
	}

	return result;

fail_add_hcd:
	iounmap(hcd->regs);
fail_ioremap:
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	usb_put_hcd(hcd);
fail_create_hcd:
	ps3_io_irq_destroy(virq);
fail_irq:
	ps3_free_mmio_region(dev->m_region);
fail_mmio_region:
	ps3_dma_region_free(dev->d_region);
fail_dma_region:
	ps3_close_hv_device(dev);
fail_open:
fail_start:
	return result;
}
コード例 #2
0
ファイル: ps3stor_lib.c プロジェクト: cilynx/dd-wrt
/**
 *	ps3stor_setup - Setup a storage device before use
 *	@dev: Pointer to a struct ps3_storage_device
 *	@handler: Pointer to an interrupt handler
 *
 *	Returns 0 for success, or an error code
 */
int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler)
{
	int error, res, alignment;
	enum ps3_dma_page_size page_size;

	error = ps3_open_hv_device(&dev->sbd);
	if (error) {
		dev_err(&dev->sbd.core,
			"%s:%u: ps3_open_hv_device failed %d\n", __func__,
			__LINE__, error);
		goto fail;
	}

	error = ps3_sb_event_receive_port_setup(&dev->sbd, PS3_BINDING_CPU_ANY,
						&dev->irq);
	if (error) {
		dev_err(&dev->sbd.core,
			"%s:%u: ps3_sb_event_receive_port_setup failed %d\n",
		       __func__, __LINE__, error);
		goto fail_close_device;
	}

	error = request_irq(dev->irq, handler, IRQF_DISABLED,
			    dev->sbd.core.driver->name, dev);
	if (error) {
		dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n",
			__func__, __LINE__, error);
		goto fail_sb_event_receive_port_destroy;
	}

	alignment = min(__ffs(dev->bounce_size),
			__ffs((unsigned long)dev->bounce_buf));
	if (alignment < 12) {
		dev_err(&dev->sbd.core,
			"%s:%u: bounce buffer not aligned (%lx at 0x%p)\n",
			__func__, __LINE__, dev->bounce_size, dev->bounce_buf);
		error = -EINVAL;
		goto fail_free_irq;
	} else if (alignment < 16)
		page_size = PS3_DMA_4K;
	else
		page_size = PS3_DMA_64K;
	dev->sbd.d_region = &dev->dma_region;
	ps3_dma_region_init(&dev->sbd, &dev->dma_region, page_size,
			    PS3_DMA_OTHER, dev->bounce_buf, dev->bounce_size);
	res = ps3_dma_region_create(&dev->dma_region);
	if (res) {
		dev_err(&dev->sbd.core, "%s:%u: cannot create DMA region\n",
			__func__, __LINE__);
		error = -ENOMEM;
		goto fail_free_irq;
	}

	dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf));
	dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf,
					 dev->bounce_size, DMA_BIDIRECTIONAL);
	if (!dev->bounce_dma) {
		dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n",
			__func__, __LINE__);
		error = -ENODEV;
		goto fail_free_dma;
	}

	error = ps3stor_probe_access(dev);
	if (error) {
		dev_err(&dev->sbd.core, "%s:%u: No accessible regions found\n",
			__func__, __LINE__);
		goto fail_unmap_dma;
	}
	return 0;

fail_unmap_dma:
	dma_unmap_single(&dev->sbd.core, dev->bounce_dma, dev->bounce_size,
			 DMA_BIDIRECTIONAL);
fail_free_dma:
	ps3_dma_region_free(&dev->dma_region);
fail_free_irq:
	free_irq(dev->irq, dev);
fail_sb_event_receive_port_destroy:
	ps3_sb_event_receive_port_destroy(&dev->sbd, dev->irq);
fail_close_device:
	ps3_close_hv_device(&dev->sbd);
fail:
	return error;
}
コード例 #3
0
static int __devinit snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
{
	int i, ret;
	u64 lpar_addr, lpar_size;

	BUG_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1));
	BUG_ON(dev->match_id != PS3_MATCH_ID_SOUND);

	the_card.ps3_dev = dev;

	ret = ps3_open_hv_device(dev);

	if (ret)
		return -ENXIO;

	
	ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size);
	if (ret) {
		pr_info("%s: device map 2 failed %d\n", __func__, ret);
		goto clean_open;
	}
	ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size,
		PAGE_SHIFT);

	ret = snd_ps3_map_mmio();
	if (ret)
		goto clean_dev_map;

	
	ps3_dma_region_init(dev, dev->d_region,
			    PAGE_SHIFT, 
			    0, 
			    NULL,
			    _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
	dev->d_region->ioid = PS3_AUDIO_IOID;

	ret = ps3_dma_region_create(dev->d_region);
	if (ret) {
		pr_info("%s: region_create\n", __func__);
		goto clean_mmio;
	}

	snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);

	
	the_card.start_delay = snd_ps3_start_delay;

	
	if (snd_ps3_allocate_irq()) {
		ret = -ENXIO;
		goto clean_dma_region;
	}

	
	ret = snd_card_create(index, id, THIS_MODULE, 0, &the_card.card);
	if (ret < 0)
		goto clean_irq;

	strcpy(the_card.card->driver, "PS3");
	strcpy(the_card.card->shortname, "PS3");
	strcpy(the_card.card->longname, "PS3 sound");

	
	for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
		ret = snd_ctl_add(the_card.card,
				  snd_ctl_new1(&spdif_ctls[i], &the_card));
		if (ret < 0)
			goto clean_card;
	}

	
	
	ret = snd_pcm_new(the_card.card,
			  "SPDIF",
			  0, 
			  1, 
			  0, 
			  &(the_card.pcm));
	if (ret)
		goto clean_card;

	the_card.pcm->private_data = &the_card;
	strcpy(the_card.pcm->name, "SPDIF");

	
	snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_ps3_pcm_spdif_ops);

	the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
	
	ret = snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
					SNDRV_DMA_TYPE_DEV,
					&dev->core,
					SND_PS3_PCM_PREALLOC_SIZE,
					SND_PS3_PCM_PREALLOC_SIZE);
	if (ret < 0) {
		pr_info("%s: prealloc failed\n", __func__);
		goto clean_card;
	}

	the_card.null_buffer_start_vaddr =
		dma_alloc_coherent(&the_card.ps3_dev->core,
				   PAGE_SIZE,
				   &the_card.null_buffer_start_dma_addr,
				   GFP_KERNEL);
	if (!the_card.null_buffer_start_vaddr) {
		pr_info("%s: nullbuffer alloc failed\n", __func__);
		goto clean_preallocate;
	}
	pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__,
		 the_card.null_buffer_start_vaddr,
		 the_card.null_buffer_start_dma_addr);
	
	snd_ps3_init_avsetting(&the_card);

	
	snd_card_set_dev(the_card.card, &dev->core);
	ret = snd_card_register(the_card.card);
	if (ret < 0)
		goto clean_dma_map;

	pr_info("%s started. start_delay=%dms\n",
		the_card.card->longname, the_card.start_delay);
	return 0;

clean_dma_map:
	dma_free_coherent(&the_card.ps3_dev->core,
			  PAGE_SIZE,
			  the_card.null_buffer_start_vaddr,
			  the_card.null_buffer_start_dma_addr);
clean_preallocate:
	snd_pcm_lib_preallocate_free_for_all(the_card.pcm);
clean_card:
	snd_card_free(the_card.card);
clean_irq:
	snd_ps3_free_irq();
clean_dma_region:
	ps3_dma_region_free(dev->d_region);
clean_mmio:
	snd_ps3_unmap_mmio();
clean_dev_map:
	lv1_gpu_device_unmap(2);
clean_open:
	ps3_close_hv_device(dev);
	return ret;
}; 
コード例 #4
0
ファイル: snd_ps3.c プロジェクト: CSCLOG/beaglebone
static int __devinit snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
{
	int i, ret;
	u64 lpar_addr, lpar_size;

	BUG_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1));
	BUG_ON(dev->match_id != PS3_MATCH_ID_SOUND);

	the_card.ps3_dev = dev;

	ret = ps3_open_hv_device(dev);

	if (ret)
		return -ENXIO;

	/* setup MMIO */
	ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size);
	if (ret) {
		pr_info("%s: device map 2 failed %d\n", __func__, ret);
		goto clean_open;
	}
	ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size,
		PAGE_SHIFT);

	ret = snd_ps3_map_mmio();
	if (ret)
		goto clean_dev_map;

	/* setup DMA area */
	ps3_dma_region_init(dev, dev->d_region,
			    PAGE_SHIFT, /* use system page size */
			    0, /* dma type; not used */
			    NULL,
			    _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
	dev->d_region->ioid = PS3_AUDIO_IOID;

	ret = ps3_dma_region_create(dev->d_region);
	if (ret) {
		pr_info("%s: region_create\n", __func__);
		goto clean_mmio;
	}

	snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);

	/* CONFIG_SND_PS3_DEFAULT_START_DELAY */
	the_card.start_delay = snd_ps3_start_delay;

	/* irq */
	if (snd_ps3_allocate_irq()) {
		ret = -ENXIO;
		goto clean_dma_region;
	}

	/* create card instance */
	ret = snd_card_create(index, id, THIS_MODULE, 0, &the_card.card);
	if (ret < 0)
		goto clean_irq;

	strcpy(the_card.card->driver, "PS3");
	strcpy(the_card.card->shortname, "PS3");
	strcpy(the_card.card->longname, "PS3 sound");

	/* create control elements */
	for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
		ret = snd_ctl_add(the_card.card,
				  snd_ctl_new1(&spdif_ctls[i], &the_card));
		if (ret < 0)
			goto clean_card;
	}

	/* create PCM devices instance */
	/* NOTE:this driver works assuming pcm:substream = 1:1 */
	ret = snd_pcm_new(the_card.card,
			  "SPDIF",
			  0, /* instance index, will be stored pcm.device*/
			  1, /* output substream */
			  0, /* input substream */
			  &(the_card.pcm));
	if (ret)
		goto clean_card;

	the_card.pcm->private_data = &the_card;
	strcpy(the_card.pcm->name, "SPDIF");

	/* set pcm ops */
	snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_ps3_pcm_spdif_ops);

	the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
	/* pre-alloc PCM DMA buffer*/
	ret = snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
					SNDRV_DMA_TYPE_DEV,
					&dev->core,
					SND_PS3_PCM_PREALLOC_SIZE,
					SND_PS3_PCM_PREALLOC_SIZE);
	if (ret < 0) {
		pr_info("%s: prealloc failed\n", __func__);
		goto clean_card;
	}

	/*
	 * allocate null buffer
	 * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2
	 * PAGE_SIZE is enogh
	 */
	the_card.null_buffer_start_vaddr =
		dma_alloc_coherent(&the_card.ps3_dev->core,
				   PAGE_SIZE,
				   &the_card.null_buffer_start_dma_addr,
				   GFP_KERNEL);
	if (!the_card.null_buffer_start_vaddr) {
		pr_info("%s: nullbuffer alloc failed\n", __func__);
		goto clean_preallocate;
	}
	pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__,
		 the_card.null_buffer_start_vaddr,
		 the_card.null_buffer_start_dma_addr);
	/* set default sample rate/word width */
	snd_ps3_init_avsetting(&the_card);

	/* register the card */
	snd_card_set_dev(the_card.card, &dev->core);
	ret = snd_card_register(the_card.card);
	if (ret < 0)
		goto clean_dma_map;

	pr_info("%s started. start_delay=%dms\n",
		the_card.card->longname, the_card.start_delay);
	return 0;

clean_dma_map:
	dma_free_coherent(&the_card.ps3_dev->core,
			  PAGE_SIZE,
			  the_card.null_buffer_start_vaddr,
			  the_card.null_buffer_start_dma_addr);
clean_preallocate:
	snd_pcm_lib_preallocate_free_for_all(the_card.pcm);
clean_card:
	snd_card_free(the_card.card);
clean_irq:
	snd_ps3_free_irq();
clean_dma_region:
	ps3_dma_region_free(dev->d_region);
clean_mmio:
	snd_ps3_unmap_mmio();
clean_dev_map:
	lv1_gpu_device_unmap(2);
clean_open:
	ps3_close_hv_device(dev);
	/*
	 * there is no destructor function to pcm.
	 * midlayer automatically releases if the card removed
	 */
	return ret;
}; /* snd_ps3_probe */
コード例 #5
0
ファイル: ps3_gelic_net.c プロジェクト: cilynx/dd-wrt
/**
 * ps3_gelic_driver_probe - add a device to the control of this driver
 */
static int ps3_gelic_driver_probe (struct ps3_system_bus_device *dev)
{
	struct gelic_net_card *card = gelic_net_alloc_card();
	int result;

	if (!card) {
		dev_info(&dev->core, "gelic_net_alloc_card failed\n");
		result = -ENOMEM;
		goto fail_alloc_card;
	}

	ps3_system_bus_set_driver_data(dev, card);
	card->dev = dev;

	result = ps3_open_hv_device(dev);

	if (result) {
		dev_dbg(&dev->core, "ps3_open_hv_device failed\n");
		goto fail_open;
	}

	result = ps3_dma_region_create(dev->d_region);

	if (result) {
		dev_dbg(&dev->core, "ps3_dma_region_create failed(%d)\n",
			result);
		BUG_ON("check region type");
		goto fail_dma_region;
	}

	result = lv1_net_set_interrupt_status_indicator(bus_id(card),
							dev_id(card),
		ps3_mm_phys_to_lpar(__pa(&card->irq_status)),
		0);

	if (result) {
		dev_dbg(&dev->core,
			"lv1_net_set_interrupt_status_indicator failed: %s\n",
			ps3_result(result));
		result = -EIO;
		goto fail_status_indicator;
	}

	result = gelic_net_setup_netdev(card);

	if (result) {
		dev_dbg(&dev->core, "%s:%d: ps3_dma_region_create failed: "
			"(%d)\n", __func__, __LINE__, result);
		goto fail_setup_netdev;
	}

	return 0;

fail_setup_netdev:
	lv1_net_set_interrupt_status_indicator(bus_id(card),
					       bus_id(card),
					       0 , 0);
fail_status_indicator:
	ps3_dma_region_free(dev->d_region);
fail_dma_region:
	ps3_close_hv_device(dev);
fail_open:
	ps3_system_bus_set_driver_data(dev, NULL);
	free_netdev(card->netdev);
fail_alloc_card:
	return result;
}