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media: pci: mgb4: Add support for GMSL3 coaxial modules

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Add support for GMSL3 modules with a coaxial interface, a variant of the
already existing module with the id #4. The FW is the same as for all other
GMSL3 modules.

Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Martin Tůma 2026-01-16 13:55:54 +01:00 committed by Hans Verkuil
parent a20cf188ab
commit f67adf545f
2 changed files with 28 additions and 6 deletions
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7
drivers/media/pci/mgb4/mgb4_core.h
View File

@ -21,8 +21,11 @@
#define MGB4_IS_GMSL1(mgbdev) \
(((mgbdev)->module_version >> 4) == 6)
#define MGB4_IS_GMSL3(mgbdev) \
((((mgbdev)->module_version >> 4) >= 2) && \
(((mgbdev)->module_version >> 4) <= 4))
(((((mgbdev)->module_version >> 4) >= 2) && \
(((mgbdev)->module_version >> 4) <= 4)) || \
(((mgbdev)->module_version >> 4) == 8))
#define MGB4_IS_GMSL3C(mgbdev) \
(((mgbdev)->module_version >> 4) == 8)
#define MGB4_IS_FPDL3(mgbdev) \
(((mgbdev)->module_version >> 4) == 1)
#define MGB4_HAS_VOUT(mgbdev) \

27
drivers/media/pci/mgb4/mgb4_vin.c
View File

@ -50,6 +50,11 @@ static const struct i2c_board_info gmsl3_deser_info[] = {
{I2C_BOARD_INFO("deserializer2", 0x2A)},
};
static const struct i2c_board_info gmsl3c_deser_info[] = {
{I2C_BOARD_INFO("deserializer1", 0x6A)},
{I2C_BOARD_INFO("deserializer2", 0x6C)},
};
static const struct i2c_board_info gmsl1_deser_info[] = {
{I2C_BOARD_INFO("deserializer1", 0x2C)},
{I2C_BOARD_INFO("deserializer2", 0x6C)},
@ -67,6 +72,13 @@ static const struct mgb4_i2c_kv gmsl3_i2c[] = {
{0x308, 0x01, 0x01}, {0x10, 0x20, 0x20}, {0x300, 0x40, 0x40}
};
static const struct mgb4_i2c_kv gmsl3c_i2c[] = {
{0x01, 0x03, 0x02}, {0x300, 0x0C, 0x08}, {0x03, 0xC0, 0x00},
{0x1CE, 0x0E, 0x0E}, {0x11, 0x05, 0x05}, {0x05, 0xC0, 0x40},
{0x307, 0x0F, 0x00}, {0xA0, 0x03, 0x00}, {0x3E0, 0x07, 0x00},
{0x308, 0x01, 0x00}, {0x10, 0x20, 0x20}, {0x300, 0x40, 0x40}
};
static const struct mgb4_i2c_kv gmsl1_i2c[] = {
};
@ -812,10 +824,17 @@ static int deser_init(struct mgb4_vin_dev *vindev, int id)
struct device *dev = &vindev->mgbdev->pdev->dev;
if (MGB4_IS_GMSL3(vindev->mgbdev)) {
info = &gmsl3_deser_info[id];
addr_size = 16;
values = gmsl3_i2c;
count = ARRAY_SIZE(gmsl3_i2c);
if (MGB4_IS_GMSL3C(vindev->mgbdev)) {
info = &gmsl3c_deser_info[id];
addr_size = 16;
values = gmsl3c_i2c;
count = ARRAY_SIZE(gmsl3c_i2c);
} else {
info = &gmsl3_deser_info[id];
addr_size = 16;
values = gmsl3_i2c;
count = ARRAY_SIZE(gmsl3_i2c);
}
} else if (MGB4_IS_FPDL3(vindev->mgbdev)) {
info = &fpdl3_deser_info[id];
addr_size = 8;