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Commit b5419adc authored by Sinan Kaya's avatar Sinan Kaya Committed by Vinod Koul
Browse files

dmaengine: qcom_hidma: Add identity register support 



The location for destination event channel register has been relocated from
offset 0x28 to 0x40. Update the code accordingly.

Signed-off-by: default avatarSinan Kaya <okaya@codeaurora.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 95fbfb7a

drivers/dma/qcom/hidma.c

+8 −3
Original line number Original line Diff line number Diff line
@@ -107,6 +107,7 @@ MODULE_PARM_DESC(nr_desc_prm, "number of descriptors (default: 0)"); 




enum hidma_cap {

enum hidma_cap {

	HIDMA_MSI_CAP = 1,

	HIDMA_MSI_CAP = 1,

	HIDMA_IDENTITY_CAP,

};

};





/* process completed descriptors */

/* process completed descriptors */
@@ -838,6 +839,9 @@ static int hidma_probe(struct platform_device *pdev) 
	if (!dmadev->nr_descriptors)

	if (!dmadev->nr_descriptors)

		dmadev->nr_descriptors = HIDMA_NR_DEFAULT_DESC;

		dmadev->nr_descriptors = HIDMA_NR_DEFAULT_DESC;





	if (hidma_test_capability(&pdev->dev, HIDMA_IDENTITY_CAP))

		dmadev->chidx = readl(dmadev->dev_trca + 0x40);

	else

		dmadev->chidx = readl(dmadev->dev_trca + 0x28);

		dmadev->chidx = readl(dmadev->dev_trca + 0x28);





	/* Set DMA mask to 64 bits. */

	/* Set DMA mask to 64 bits. */
@@ -944,7 +948,7 @@ static int hidma_remove(struct platform_device *pdev) 
static const struct acpi_device_id hidma_acpi_ids[] = {

static const struct acpi_device_id hidma_acpi_ids[] = {

	{"QCOM8061"},

	{"QCOM8061"},

	{"QCOM8062", HIDMA_MSI_CAP},

	{"QCOM8062", HIDMA_MSI_CAP},

	{"QCOM8063", HIDMA_MSI_CAP},

	{"QCOM8063", (HIDMA_MSI_CAP | HIDMA_IDENTITY_CAP)},

	{},

	{},

};

};

MODULE_DEVICE_TABLE(acpi, hidma_acpi_ids);

MODULE_DEVICE_TABLE(acpi, hidma_acpi_ids);
@@ -953,7 +957,8 @@ MODULE_DEVICE_TABLE(acpi, hidma_acpi_ids); 
static const struct of_device_id hidma_match[] = {

static const struct of_device_id hidma_match[] = {

	{.compatible = "qcom,hidma-1.0",},

	{.compatible = "qcom,hidma-1.0",},

	{.compatible = "qcom,hidma-1.1", .data = (void *)(HIDMA_MSI_CAP),},

	{.compatible = "qcom,hidma-1.1", .data = (void *)(HIDMA_MSI_CAP),},

	{.compatible = "qcom,hidma-1.2", .data = (void *)(HIDMA_MSI_CAP),},

	{.compatible = "qcom,hidma-1.2",

	 .data = (void *)(HIDMA_MSI_CAP | HIDMA_IDENTITY_CAP),},

	{},

	{},

};

};

MODULE_DEVICE_TABLE(of, hidma_match);

MODULE_DEVICE_TABLE(of, hidma_match);