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drm/panel: nt35560: Support also ACX424AKM

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Add some code and config to also support the ACX424AKM used in
some Sony (Ericsson) Mobile phones.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220103113822.654592-3-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2022-01-03 12:38:22 +01:00
parent e78089da45
commit de45f0a3be
1 changed files with 69 additions and 3 deletions
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72
drivers/gpu/drm/panel/panel-novatek-nt35560.c
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@ -10,12 +10,15 @@
* Author: Linus Walleij
* Based on code and know-how from Marcus Lorentzon
* Copyright (C) ST-Ericsson SA 2010
* Based on code and know-how from Johan Olson and Joakim Wesslen
* Copyright (C) Sony Ericsson Mobile Communications 2010
*/
#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regulator/consumer.h>
#include <video/mipi_display.h>
@ -41,7 +44,13 @@
*/
#define DISPLAY_SONY_ACX424AKP_ID4 0x8000
struct nt35560_config {
const struct drm_display_mode *vid_mode;
const struct drm_display_mode *cmd_mode;
};
struct nt35560 {
const struct nt35560_config *conf;
struct drm_panel panel;
struct device *dev;
struct regulator *supply;
@ -86,6 +95,49 @@ static const struct drm_display_mode sony_acx424akp_cmd_mode = {
.height_mm = 84,
};
static const struct nt35560_config sony_acx424akp_data = {
.vid_mode = &sony_acx424akp_vid_mode,
.cmd_mode = &sony_acx424akp_cmd_mode,
};
static const struct drm_display_mode sony_acx424akm_vid_mode = {
.clock = 27234,
.hdisplay = 480,
.hsync_start = 480 + 15,
.hsync_end = 480 + 15 + 0,
.htotal = 480 + 15 + 0 + 15,
.vdisplay = 854,
.vsync_start = 854 + 14,
.vsync_end = 854 + 14 + 1,
.vtotal = 854 + 14 + 1 + 11,
.width_mm = 46,
.height_mm = 82,
.flags = DRM_MODE_FLAG_PVSYNC,
};
/*
* The timings are not very helpful as the display is used in
* command mode using the maximum HS frequency.
*/
static const struct drm_display_mode sony_acx424akm_cmd_mode = {
.clock = 35478,
.hdisplay = 480,
.hsync_start = 480 + 154,
.hsync_end = 480 + 154 + 16,
.htotal = 480 + 154 + 16 + 32,
.vdisplay = 854,
.vsync_start = 854 + 1,
.vsync_end = 854 + 1 + 1,
.vtotal = 854 + 1 + 1 + 1,
.width_mm = 46,
.height_mm = 82,
};
static const struct nt35560_config sony_acx424akm_data = {
.vid_mode = &sony_acx424akm_vid_mode,
.cmd_mode = &sony_acx424akm_cmd_mode,
};
static inline struct nt35560 *panel_to_nt35560(struct drm_panel *panel)
{
return container_of(panel, struct nt35560, panel);
@ -369,14 +421,15 @@ static int nt35560_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct nt35560 *nt = panel_to_nt35560(panel);
const struct nt35560_config *conf = nt->conf;
struct drm_display_mode *mode;
if (nt->video_mode)
mode = drm_mode_duplicate(connector->dev,
&sony_acx424akp_vid_mode);
conf->vid_mode);
else
mode = drm_mode_duplicate(connector->dev,
&sony_acx424akp_cmd_mode);
conf->cmd_mode);
if (!mode) {
dev_err(panel->dev, "bad mode or failed to add mode\n");
return -EINVAL;
@ -413,6 +466,12 @@ static int nt35560_probe(struct mipi_dsi_device *dsi)
mipi_dsi_set_drvdata(dsi, nt);
nt->dev = dev;
nt->conf = of_device_get_match_data(dev);
if (!nt->conf) {
dev_err(dev, "missing device configuration\n");
return -ENODEV;
}
dsi->lanes = 2;
dsi->format = MIPI_DSI_FMT_RGB888;
/*
@ -475,7 +534,14 @@ static int nt35560_remove(struct mipi_dsi_device *dsi)
}
static const struct of_device_id nt35560_of_match[] = {
{ .compatible = "sony,acx424akp" },
{
.compatible = "sony,acx424akp",
.data = &sony_acx424akp_data,
},
{
.compatible = "sony,acx424akm",
.data = &sony_acx424akm_data,
},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, nt35560_of_match);