2023-10-25 14:52:13

by Martin Tůma

[permalink] [raw]
Subject: [PATCH] media: mgb4: Added support for T200 card variant

From: Martin Tůma <[email protected]>

T200 card variants use the XC7A200T FPGA instead of XC7A100T. The SPI FLASH
memory layout is different as the FPGA requires bigger FW images.

Signed-off-by: Martin Tůma <[email protected]>
---
drivers/media/pci/mgb4/mgb4_core.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/media/pci/mgb4/mgb4_core.c b/drivers/media/pci/mgb4/mgb4_core.c
index 3efb33fbf40c..5bfb8a06202e 100644
--- a/drivers/media/pci/mgb4/mgb4_core.c
+++ b/drivers/media/pci/mgb4/mgb4_core.c
@@ -42,6 +42,10 @@

#define MGB4_USER_IRQS 16

+#define DIGITEQ_VID 0x1ed8
+#define T100_DID 0x0101
+#define T200_DID 0x0201
+
ATTRIBUTE_GROUPS(mgb4_pci);

static int flashid;
@@ -151,7 +155,7 @@ static struct spi_master *get_spi_adap(struct platform_device *pdev)
return dev ? container_of(dev, struct spi_master, dev) : NULL;
}

-static int init_spi(struct mgb4_dev *mgbdev)
+static int init_spi(struct mgb4_dev *mgbdev, u32 devid)
{
struct resource spi_resources[] = {
{
@@ -213,8 +217,13 @@ static int init_spi(struct mgb4_dev *mgbdev)
snprintf(mgbdev->fw_part_name, sizeof(mgbdev->fw_part_name),
"mgb4-fw.%d", flashid);
mgbdev->partitions[0].name = mgbdev->fw_part_name;
- mgbdev->partitions[0].size = 0x400000;
- mgbdev->partitions[0].offset = 0x400000;
+ if (devid == T200_DID) {
+ mgbdev->partitions[0].size = 0x950000;
+ mgbdev->partitions[0].offset = 0x1000000;
+ } else {
+ mgbdev->partitions[0].size = 0x400000;
+ mgbdev->partitions[0].offset = 0x400000;
+ }
mgbdev->partitions[0].mask_flags = 0;

snprintf(mgbdev->data_part_name, sizeof(mgbdev->data_part_name),
@@ -551,7 +560,7 @@ static int mgb4_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_video_regs;

/* SPI FLASH */
- rv = init_spi(mgbdev);
+ rv = init_spi(mgbdev, id->device);
if (rv < 0)
goto err_cmt_regs;

@@ -666,7 +675,8 @@ static void mgb4_remove(struct pci_dev *pdev)
}

static const struct pci_device_id mgb4_pci_ids[] = {
- { PCI_DEVICE(0x1ed8, 0x0101), },
+ { PCI_DEVICE(DIGITEQ_VID, T100_DID), },
+ { PCI_DEVICE(DIGITEQ_VID, T200_DID), },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, mgb4_pci_ids);

base-commit: 19e67e01eb1e84f3529770d084b93f16a4894c42
--
2.40.1