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drm: bridge: it66121: Move VID/PID to new it66121_chip_info structure

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This will make it easier later to introduce support for new chips in
this driver.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221214130122.12911-1-paul@crapouillou.net
This commit is contained in:
Paul Cercueil 2022-12-14 14:01:22 +01:00
parent e668565087
commit 9a9f4a01bd
No known key found for this signature in database
GPG Key ID: 73EE6BD2274ABD41
1 changed files with 15 additions and 12 deletions
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27
drivers/gpu/drm/bridge/ite-it66121.c
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@ -35,10 +35,6 @@
#define IT66121_DEVICE_ID0_REG 0x02
#define IT66121_DEVICE_ID1_REG 0x03
#define IT66121_VENDOR_ID0 0x54
#define IT66121_VENDOR_ID1 0x49
#define IT66121_DEVICE_ID0 0x12
#define IT66121_DEVICE_ID1 0x06
#define IT66121_REVISION_MASK GENMASK(7, 4)
#define IT66121_DEVICE_ID1_MASK GENMASK(3, 0)
@ -286,13 +282,12 @@
#define IT66121_AUD_SWL_16BIT 0x2
#define IT66121_AUD_SWL_NOT_INDICATED 0x0
#define IT66121_VENDOR_ID0 0x54
#define IT66121_VENDOR_ID1 0x49
#define IT66121_DEVICE_ID0 0x12
#define IT66121_DEVICE_ID1 0x06
#define IT66121_DEVICE_MASK 0x0F
#define IT66121_AFE_CLK_HIGH 80000 /* Khz */
struct it66121_chip_info {
u16 vid, pid;
};
struct it66121_ctx {
struct regmap *regmap;
struct drm_bridge bridge;
@ -311,6 +306,7 @@ struct it66121_ctx {
u8 swl;
bool auto_cts;
} audio;
const struct it66121_chip_info *info;
};
static const struct regmap_range_cfg it66121_regmap_banks[] = {
@ -1451,6 +1447,7 @@ static const char * const it66121_supplies[] = {
static int it66121_probe(struct i2c_client *client)
{
const struct i2c_device_id *id = i2c_client_get_device_id(client);
u32 revision_id, vendor_ids[2] = { 0 }, device_ids[2] = { 0 };
struct device_node *ep;
int ret;
@ -1472,6 +1469,7 @@ static int it66121_probe(struct i2c_client *client)
ctx->dev = dev;
ctx->client = client;
ctx->info = (const struct it66121_chip_info *) id->driver_data;
of_property_read_u32(ep, "bus-width", &ctx->bus_width);
of_node_put(ep);
@ -1523,8 +1521,8 @@ static int it66121_probe(struct i2c_client *client)
revision_id = FIELD_GET(IT66121_REVISION_MASK, device_ids[1]);
device_ids[1] &= IT66121_DEVICE_ID1_MASK;
if (vendor_ids[0] != IT66121_VENDOR_ID0 || vendor_ids[1] != IT66121_VENDOR_ID1 ||
device_ids[0] != IT66121_DEVICE_ID0 || device_ids[1] != IT66121_DEVICE_ID1) {
if ((vendor_ids[1] << 8 | vendor_ids[0]) != ctx->info->vid ||
(device_ids[1] << 8 | device_ids[0]) != ctx->info->pid) {
return -ENODEV;
}
@ -1563,8 +1561,13 @@ static const struct of_device_id it66121_dt_match[] = {
};
MODULE_DEVICE_TABLE(of, it66121_dt_match);
static const struct it66121_chip_info it66121_chip_info = {
.vid = 0x4954,
.pid = 0x0612,
};
static const struct i2c_device_id it66121_id[] = {
{ "it66121", 0 },
{ "it66121", (kernel_ulong_t) &it66121_chip_info },
{ }
};
MODULE_DEVICE_TABLE(i2c, it66121_id);