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path: root/drivers/gpu/drm/solomon/ssd130x-spi.c
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Diffstat (limited to 'drivers/gpu/drm/solomon/ssd130x-spi.c')
-rw-r--r--drivers/gpu/drm/solomon/ssd130x-spi.c46
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x-spi.c b/drivers/gpu/drm/solomon/ssd130x-spi.c
index 19ab4942cb33..b52f5fd592a1 100644
--- a/drivers/gpu/drm/solomon/ssd130x-spi.c
+++ b/drivers/gpu/drm/solomon/ssd130x-spi.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * DRM driver for Solomon SSD130X OLED displays (SPI bus)
+ * DRM driver for Solomon SSD13xx OLED displays (SPI bus)
*
* Copyright 2022 Red Hat Inc.
* Authors: Javier Martinez Canillas <javierm@redhat.com>
@@ -11,7 +11,7 @@
#include "ssd130x.h"
#define DRIVER_NAME "ssd130x-spi"
-#define DRIVER_DESC "DRM driver for Solomon SSD130X OLED displays (SPI)"
+#define DRIVER_DESC "DRM driver for Solomon SSD13xx OLED displays (SPI)"
struct ssd130x_spi_transport {
struct spi_device *spi;
@@ -34,10 +34,10 @@ static int ssd130x_spi_write(void *context, const void *data, size_t count)
struct spi_device *spi = t->spi;
const u8 *reg = data;
- if (*reg == SSD130X_COMMAND)
+ if (*reg == SSD13XX_COMMAND)
gpiod_set_value_cansleep(t->dc, 0);
- if (*reg == SSD130X_DATA)
+ if (*reg == SSD13XX_DATA)
gpiod_set_value_cansleep(t->dc, 1);
/* Remove control byte since is not used in a 4-wire SPI interface */
@@ -74,8 +74,7 @@ static int ssd130x_spi_probe(struct spi_device *spi)
t = devm_kzalloc(dev, sizeof(*t), GFP_KERNEL);
if (!t)
- return dev_err_probe(dev, -ENOMEM,
- "Failed to allocate SPI transport data\n");
+ return -ENOMEM;
t->spi = spi;
t->dc = dc;
@@ -108,6 +107,7 @@ static void ssd130x_spi_shutdown(struct spi_device *spi)
}
static const struct of_device_id ssd130x_of_match[] = {
+ /* ssd130x family */
{
.compatible = "sinowealth,sh1106",
.data = &ssd130x_variants[SH1106_ID],
@@ -128,11 +128,28 @@ static const struct of_device_id ssd130x_of_match[] = {
.compatible = "solomon,ssd1309",
.data = &ssd130x_variants[SSD1309_ID],
},
+ /* ssd132x family */
+ {
+ .compatible = "solomon,ssd1322",
+ .data = &ssd130x_variants[SSD1322_ID],
+ },
+ {
+ .compatible = "solomon,ssd1325",
+ .data = &ssd130x_variants[SSD1325_ID],
+ },
+ {
+ .compatible = "solomon,ssd1327",
+ .data = &ssd130x_variants[SSD1327_ID],
+ },
+ /* ssd133x family */
+ {
+ .compatible = "solomon,ssd1331",
+ .data = &ssd130x_variants[SSD1331_ID],
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ssd130x_of_match);
-#if IS_MODULE(CONFIG_DRM_SSD130X_SPI)
/*
* The SPI core always reports a MODALIAS uevent of the form "spi:<dev>", even
* if the device was registered via OF. This means that the module will not be
@@ -141,22 +158,29 @@ MODULE_DEVICE_TABLE(of, ssd130x_of_match);
* To workaround this issue, add a SPI device ID table. Even when this should
* not be needed for this driver to match the registered SPI devices.
*/
-static const struct spi_device_id ssd130x_spi_table[] = {
+static const struct spi_device_id ssd130x_spi_id[] = {
+ /* ssd130x family */
{ "sh1106", SH1106_ID },
{ "ssd1305", SSD1305_ID },
{ "ssd1306", SSD1306_ID },
{ "ssd1307", SSD1307_ID },
{ "ssd1309", SSD1309_ID },
+ /* ssd132x family */
+ { "ssd1322", SSD1322_ID },
+ { "ssd1325", SSD1325_ID },
+ { "ssd1327", SSD1327_ID },
+ /* ssd133x family */
+ { "ssd1331", SSD1331_ID },
{ /* sentinel */ }
};
-MODULE_DEVICE_TABLE(spi, ssd130x_spi_table);
-#endif
+MODULE_DEVICE_TABLE(spi, ssd130x_spi_id);
static struct spi_driver ssd130x_spi_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = ssd130x_of_match,
},
+ .id_table = ssd130x_spi_id,
.probe = ssd130x_spi_probe,
.remove = ssd130x_spi_remove,
.shutdown = ssd130x_spi_shutdown,
@@ -166,4 +190,4 @@ module_spi_driver(ssd130x_spi_driver);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_AUTHOR("Javier Martinez Canillas <javierm@redhat.com>");
MODULE_LICENSE("GPL");
-MODULE_IMPORT_NS(DRM_SSD130X);
+MODULE_IMPORT_NS("DRM_SSD130X");