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path: root/drivers/gpu/drm/panel/panel-novatek-nt35510.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-novatek-nt35510.c')
-rw-r--r--drivers/gpu/drm/panel/panel-novatek-nt35510.c60
1 files changed, 31 insertions, 29 deletions
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35510.c b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
index e98d54df00e7..b9a0e56f33e2 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt35510.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
@@ -35,7 +35,6 @@
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
-#include <drm/drm_print.h>
#define MCS_CMD_MAUCCTR 0xF0 /* Manufacturer command enable */
#define MCS_CMD_READ_ID1 0xDA
@@ -376,6 +375,10 @@ struct nt35510 {
};
/* Manufacturer command has strictly this byte sequence */
+static const u8 nt35510_mauc_mtp_read_param[] = { 0xAA, 0x55, 0x25, 0x01 };
+static const u8 nt35510_mauc_mtp_read_setting[] = { 0x01, 0x02, 0x00, 0x20,
+ 0x33, 0x13, 0x00, 0x40,
+ 0x00, 0x00, 0x23, 0x02 };
static const u8 nt35510_mauc_select_page_0[] = { 0x55, 0xAA, 0x52, 0x08, 0x00 };
static const u8 nt35510_mauc_select_page_1[] = { 0x55, 0xAA, 0x52, 0x08, 0x01 };
static const u8 nt35510_vgh_on[] = { 0x01 };
@@ -400,9 +403,7 @@ static int nt35510_send_long(struct nt35510 *nt, struct mipi_dsi_device *dsi,
chunk = 15;
ret = mipi_dsi_dcs_write(dsi, cmd, seqp, chunk);
if (ret < 0) {
- DRM_DEV_ERROR(nt->dev,
- "error sending DCS command seq cmd %02x\n",
- cmd);
+ dev_err(nt->dev, "error sending DCS command seq cmd %02x\n", cmd);
return ret;
}
cmdwritten += chunk;
@@ -414,16 +415,13 @@ static int nt35510_send_long(struct nt35510 *nt, struct mipi_dsi_device *dsi,
chunk = 15;
ret = mipi_dsi_generic_write(dsi, seqp, chunk);
if (ret < 0) {
- DRM_DEV_ERROR(nt->dev,
- "error sending generic write seq %02x\n",
- cmd);
+ dev_err(nt->dev, "error sending generic write seq %02x\n", cmd);
return ret;
}
cmdwritten += chunk;
seqp += chunk;
}
- DRM_DEV_DEBUG(nt->dev, "sent command %02x %02x bytes\n",
- cmd, cmdlen);
+ dev_dbg(nt->dev, "sent command %02x %02x bytes\n", cmd, cmdlen);
return 0;
}
@@ -435,17 +433,17 @@ static int nt35510_read_id(struct nt35510 *nt)
ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID1, &id1, 1);
if (ret < 0) {
- DRM_DEV_ERROR(nt->dev, "could not read MTP ID1\n");
+ dev_err(nt->dev, "could not read MTP ID1\n");
return ret;
}
ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID2, &id2, 1);
if (ret < 0) {
- DRM_DEV_ERROR(nt->dev, "could not read MTP ID2\n");
+ dev_err(nt->dev, "could not read MTP ID2\n");
return ret;
}
ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID3, &id3, 1);
if (ret < 0) {
- DRM_DEV_ERROR(nt->dev, "could not read MTP ID3\n");
+ dev_err(nt->dev, "could not read MTP ID3\n");
return ret;
}
@@ -454,9 +452,7 @@ static int nt35510_read_id(struct nt35510 *nt)
* ID (e.g. Hydis 0x55), driver ID (e.g. NT35510 0xc0) and
* version.
*/
- DRM_DEV_INFO(nt->dev,
- "MTP ID manufacturer: %02x version: %02x driver: %02x\n",
- id1, id2, id3);
+ dev_info(nt->dev, "MTP ID manufacturer: %02x version: %02x driver: %02x\n", id1, id2, id3);
return 0;
}
@@ -657,7 +653,7 @@ static int nt35510_set_brightness(struct backlight_device *bl)
u8 brightness = bl->props.brightness;
int ret;
- DRM_DEV_DEBUG(nt->dev, "set brightness %d\n", brightness);
+ dev_dbg(nt->dev, "set brightness %d\n", brightness);
ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
&brightness,
sizeof(brightness));
@@ -698,6 +694,18 @@ static int nt35510_power_on(struct nt35510 *nt)
usleep_range(120000, 140000);
}
+ ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_PARAM,
+ ARRAY_SIZE(nt35510_mauc_mtp_read_param),
+ nt35510_mauc_mtp_read_param);
+ if (ret)
+ return ret;
+
+ ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_SETTING,
+ ARRAY_SIZE(nt35510_mauc_mtp_read_setting),
+ nt35510_mauc_mtp_read_setting);
+ if (ret)
+ return ret;
+
ret = nt35510_read_id(nt);
if (ret)
return ret;
@@ -780,8 +788,7 @@ static int nt35510_unprepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_off(dsi);
if (ret) {
- DRM_DEV_ERROR(nt->dev, "failed to turn display off (%d)\n",
- ret);
+ dev_err(nt->dev, "failed to turn display off (%d)\n", ret);
return ret;
}
usleep_range(10000, 20000);
@@ -789,8 +796,7 @@ static int nt35510_unprepare(struct drm_panel *panel)
/* Enter sleep mode */
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret) {
- DRM_DEV_ERROR(nt->dev, "failed to enter sleep mode (%d)\n",
- ret);
+ dev_err(nt->dev, "failed to enter sleep mode (%d)\n", ret);
return ret;
}
@@ -817,8 +823,7 @@ static int nt35510_prepare(struct drm_panel *panel)
/* Exit sleep mode */
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
if (ret) {
- DRM_DEV_ERROR(nt->dev, "failed to exit sleep mode (%d)\n",
- ret);
+ dev_err(nt->dev, "failed to exit sleep mode (%d)\n", ret);
return ret;
}
/* Up to 120 ms */
@@ -826,8 +831,7 @@ static int nt35510_prepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_on(dsi);
if (ret) {
- DRM_DEV_ERROR(nt->dev, "failed to turn display on (%d)\n",
- ret);
+ dev_err(nt->dev, "failed to turn display on (%d)\n", ret);
return ret;
}
/* Some 10 ms */
@@ -848,7 +852,7 @@ static int nt35510_get_modes(struct drm_panel *panel,
info->height_mm = nt->conf->height_mm;
mode = drm_mode_duplicate(connector->dev, &nt->conf->mode);
if (!mode) {
- DRM_ERROR("bad mode or failed to add mode\n");
+ dev_err(panel->dev, "bad mode or failed to add mode\n");
return -EINVAL;
}
drm_mode_set_name(mode);
@@ -947,7 +951,7 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
bl = devm_backlight_device_register(dev, "nt35510", dev, nt,
&nt35510_bl_ops, NULL);
if (IS_ERR(bl)) {
- DRM_DEV_ERROR(dev, "failed to register backlight device\n");
+ dev_err(dev, "failed to register backlight device\n");
return PTR_ERR(bl);
}
bl->props.max_brightness = 255;
@@ -956,9 +960,7 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
nt->panel.backlight = bl;
}
- ret = drm_panel_add(&nt->panel);
- if (ret < 0)
- return ret;
+ drm_panel_add(&nt->panel);
ret = mipi_dsi_attach(dsi);
if (ret < 0)
generated by cgit (git 2.34.1) at 2024-07-07 14:04:01 +0000