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Commit 050afc92 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Staging: Merge Ben Collins solo6x10 tree with upstream 



There were some duplicate changes that needed to be hand-merged due to
fixes needed to keep .37 building and working properly.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parents 391a169e 5bf68592

drivers/staging/solo6x10/Kconfig

+1 −1
Original line number Diff line number Diff line 
config SOLO6X10

	tristate "Softlogic 6x10 MPEG codec cards"

	depends on PCI && VIDEO_DEV && SND

	select VIDEOBUF_DMA_CONTIG

	select VIDEOBUF_DMA_SG

	---help---

	  This driver supports the Softlogic based MPEG-4 and h.264 codec

	  codec cards.

drivers/staging/solo6x10/TODO

+0 −4
Original line number Diff line number Diff line 
TODO (staging => main):



	* checkpatch.pl (haven't run it yet)

	* Lindent (should be clean, but check)

	* Motion detection flags need to be moved to v4l2

	* Some private CIDs need to be moved to v4l2
@@ -21,8 +19,6 @@ TODO (general): 
	  - implement playback via external sound jack

	  - implement loopback of external sound jack with incoming audio?

	  - implement pause/resume

	  - check into jacking sound from tx28xx chips directly (to avoid

	    g.723/8khz limitations)



Plase send patches to Greg Kroah-Hartman <greg@kroah.com> and Cc Ben Collins

<bcollins@bluecherry.net>

drivers/staging/solo6x10/solo6010-core.c

+9 −3
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ static int __devinit solo6010_pci_probe(struct pci_dev *pdev, 
	int ret;

	int sdram;

	u8 chip_id;



	solo_dev = kzalloc(sizeof(*solo_dev), GFP_KERNEL);

	if (solo_dev == NULL)

		return -ENOMEM;
@@ -261,13 +262,18 @@ static void __devexit solo6010_pci_remove(struct pci_dev *pdev) 
}



static struct pci_device_id solo6010_id_table[] = {

	/* 6010 based cards */

	{PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_4)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_9)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_16)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_4)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_9)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_16)},

	/* 6110 based cards */

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_4)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_8)},

	{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_16)},

	{0,}

};

drivers/staging/solo6x10/solo6010-i2c.c

+4 −4
Original line number Diff line number Diff line
@@ -227,7 +227,7 @@ static int solo_i2c_master_xfer(struct i2c_adapter *adap, 
	if (i == SOLO_I2C_ADAPTERS)

		return num; // XXX Right return value for failure?



	down(&solo_dev->i2c_sem);

	mutex_lock(&solo_dev->i2c_mutex);

	solo_dev->i2c_id = i;

	solo_dev->i2c_msg = msgs;

	solo_dev->i2c_msg_num = num;
@@ -258,7 +258,7 @@ static int solo_i2c_master_xfer(struct i2c_adapter *adap, 
	solo_dev->i2c_state = IIC_STATE_IDLE;

	solo_dev->i2c_id = -1;



	up(&solo_dev->i2c_sem);

	mutex_unlock(&solo_dev->i2c_mutex);



	return ret;

}
@@ -284,7 +284,7 @@ int solo_i2c_init(struct solo6010_dev *solo_dev) 
	solo_dev->i2c_id = -1;

	solo_dev->i2c_state = IIC_STATE_IDLE;

	init_waitqueue_head(&solo_dev->i2c_wait);

	sema_init(&solo_dev->i2c_sem, 1);

	mutex_init(&solo_dev->i2c_mutex);



	for (i = 0; i < SOLO_I2C_ADAPTERS; i++) {

		struct i2c_adapter *adap = &solo_dev->i2c_adap[i];

drivers/staging/solo6x10/solo6010-p2m.c

+125 −27
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
 */



#include <linux/kernel.h>

#include <linux/scatterlist.h>



#include "solo6010.h"
@@ -30,8 +31,9 @@ int solo_p2m_dma(struct solo6010_dev *solo_dev, u8 id, int wr, 
	int ret;



	WARN_ON(!size);

	WARN_ON(id >= SOLO_NR_P2M);

	if (!size || id >= SOLO_NR_P2M)

	BUG_ON(id >= SOLO_NR_P2M);



	if (!size)

		return -EINVAL;



	dma_addr = pci_map_single(solo_dev->pdev, sys_addr, size,
@@ -47,42 +49,137 @@ int solo_p2m_dma(struct solo6010_dev *solo_dev, u8 id, int wr, 


int solo_p2m_dma_t(struct solo6010_dev *solo_dev, u8 id, int wr,

		   dma_addr_t dma_addr, u32 ext_addr, u32 size)

{

	struct p2m_desc *desc = kzalloc(sizeof(*desc) * 2, GFP_DMA);

	int ret;



	if (desc == NULL)

		return -ENOMEM;



	solo_p2m_push_desc(&desc[1], wr, dma_addr, ext_addr, size, 0, 0);

	ret = solo_p2m_dma_desc(solo_dev, id, desc, 2);

	kfree(desc);



	return ret;

}



void solo_p2m_push_desc(struct p2m_desc *desc, int wr, dma_addr_t dma_addr,

			u32 ext_addr, u32 size, int repeat, u32 ext_size)

{

	desc->ta = dma_addr;

	desc->fa = ext_addr;



	desc->ext = SOLO_P2M_COPY_SIZE(size >> 2);

	desc->ctrl = SOLO_P2M_BURST_SIZE(SOLO_P2M_BURST_256) |

		(wr ? SOLO_P2M_WRITE : 0) | SOLO_P2M_TRANS_ON;



	/* Ext size only matters when we're repeating */

	if (repeat) {

		desc->ext |= SOLO_P2M_EXT_INC(ext_size >> 2);

		desc->ctrl |=  SOLO_P2M_PCI_INC(size >> 2) |

			SOLO_P2M_REPEAT(repeat);

	}

}



int solo_p2m_dma_desc(struct solo6010_dev *solo_dev, u8 id,

		      struct p2m_desc *desc, int desc_count)

{

	struct solo_p2m_dev *p2m_dev;

	unsigned int timeout = 0;

	unsigned int timeout;

	int ret = 0;

	u32 config = 0;

	dma_addr_t desc_dma = 0;



	WARN_ON(!size);

	WARN_ON(id >= SOLO_NR_P2M);

	if (!size || id >= SOLO_NR_P2M)

		return -EINVAL;

	BUG_ON(id >= SOLO_NR_P2M);

	BUG_ON(!desc_count || desc_count > SOLO_NR_P2M_DESC);



	p2m_dev = &solo_dev->p2m_dev[id];



	down(&p2m_dev->sem);

	mutex_lock(&p2m_dev->mutex);



	solo_reg_write(solo_dev, SOLO_P2M_CONTROL(id), 0);



start_dma:

	INIT_COMPLETION(p2m_dev->completion);

	p2m_dev->error = 0;

	solo_reg_write(solo_dev, SOLO_P2M_TAR_ADR(id), dma_addr);

	solo_reg_write(solo_dev, SOLO_P2M_EXT_ADR(id), ext_addr);

	solo_reg_write(solo_dev, SOLO_P2M_EXT_CFG(id),

		       SOLO_P2M_COPY_SIZE(size >> 2));

	solo_reg_write(solo_dev, SOLO_P2M_CONTROL(id),

		       SOLO_P2M_BURST_SIZE(SOLO_P2M_BURST_256) |

		       (wr ? SOLO_P2M_WRITE : 0) | SOLO_P2M_TRANS_ON);



	/* Enable the descriptors */

	config = solo_reg_read(solo_dev, SOLO_P2M_CONFIG(id));

	desc_dma = pci_map_single(solo_dev->pdev, desc,

				  desc_count * sizeof(*desc),

				  PCI_DMA_TODEVICE);

	solo_reg_write(solo_dev, SOLO_P2M_DES_ADR(id), desc_dma);

	solo_reg_write(solo_dev, SOLO_P2M_DESC_ID(id), desc_count - 1);

	solo_reg_write(solo_dev, SOLO_P2M_CONFIG(id), config |

		       SOLO_P2M_DESC_MODE);



	/* Should have all descriptors completed from one interrupt */

	timeout = wait_for_completion_timeout(&p2m_dev->completion, HZ);



	solo_reg_write(solo_dev, SOLO_P2M_CONTROL(id), 0);



	/* XXX Really looks to me like we will get stuck here if a

	 * real PCI P2M error occurs */

	/* Reset back to non-descriptor mode */

	solo_reg_write(solo_dev, SOLO_P2M_CONFIG(id), config);

	solo_reg_write(solo_dev, SOLO_P2M_DESC_ID(id), 0);

	solo_reg_write(solo_dev, SOLO_P2M_DES_ADR(id), 0);

	pci_unmap_single(solo_dev->pdev, desc_dma,

			 desc_count * sizeof(*desc),

			 PCI_DMA_TODEVICE);



	if (p2m_dev->error)

		goto start_dma;

		ret = -EIO;

	else if (timeout == 0)

		ret = -EAGAIN;



	mutex_unlock(&p2m_dev->mutex);



	WARN_ON_ONCE(ret);



	return ret;

}



int solo_p2m_dma_sg(struct solo6010_dev *solo_dev, u8 id,

		    struct p2m_desc *pdesc, int wr,

		    struct scatterlist *sg, u32 sg_off,

		    u32 ext_addr, u32 size)

{

	int i;

	int idx;



	up(&p2m_dev->sem);

	BUG_ON(id >= SOLO_NR_P2M);



	return (timeout == 0) ? -EAGAIN : 0;

	if (WARN_ON_ONCE(!size))

		return -EINVAL;



	memset(pdesc, 0, sizeof(*pdesc));



	/* Should rewrite this to handle > SOLO_NR_P2M_DESC transactions */

	for (i = 0, idx = 1; idx < SOLO_NR_P2M_DESC && sg && size > 0;

	     i++, sg = sg_next(sg)) {

		struct p2m_desc *desc = &pdesc[idx];

		u32 sg_len = sg_dma_len(sg);

		u32 len;



		if (sg_off >= sg_len) {

			sg_off -= sg_len;

			continue;

		}



		sg_len -= sg_off;

		len = min(sg_len, size);



		solo_p2m_push_desc(desc, wr, sg_dma_address(sg) + sg_off,

				   ext_addr, len, 0, 0);



		size -= len;

		ext_addr += len;

		idx++;



		sg_off = 0;

	}



	WARN_ON_ONCE(size || i >= SOLO_NR_P2M_DESC);



	return solo_p2m_dma_desc(solo_dev, id, pdesc, idx);

}



#ifdef SOLO_TEST_P2M
@@ -152,8 +249,11 @@ static void run_p2m_test(struct solo6010_dev *solo_dev) 


void solo_p2m_isr(struct solo6010_dev *solo_dev, int id)

{

	struct solo_p2m_dev *p2m_dev = &solo_dev->p2m_dev[id];



	solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_P2M(id));

	complete(&solo_dev->p2m_dev[id].completion);



	complete(&p2m_dev->completion);

}



void solo_p2m_error_isr(struct solo6010_dev *solo_dev, u32 status)
@@ -188,16 +288,14 @@ int solo_p2m_init(struct solo6010_dev *solo_dev) 
	for (i = 0; i < SOLO_NR_P2M; i++) {

		p2m_dev = &solo_dev->p2m_dev[i];



		sema_init(&p2m_dev->sem, 1);

		mutex_init(&p2m_dev->mutex);

		init_completion(&p2m_dev->completion);



		solo_reg_write(solo_dev, SOLO_P2M_DES_ADR(i),

			       __pa(p2m_dev->desc));



		solo_reg_write(solo_dev, SOLO_P2M_CONTROL(i), 0);

		solo_reg_write(solo_dev, SOLO_P2M_CONFIG(i),

			       SOLO_P2M_CSC_16BIT_565 |

			       SOLO_P2M_DMA_INTERVAL(0) |

			       SOLO_P2M_DMA_INTERVAL(3) |

			       SOLO_P2M_DESC_INTR_OPT |

			       SOLO_P2M_PCI_MASTER_MODE);

		solo6010_irq_on(solo_dev, SOLO_IRQ_P2M(i));

	}