drm/panel: Add driver for Novatek NT35950 DSI DriverIC panels
Add a driver for panels using the Novatek NT35950 Display Driver IC, including support for the Sharp LS055D1SX04, found in some Sony Xperia Z5 Premium and XZ Premium smartphones. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210901173127.998901-1-angelogioacchino.delregno@somainline.org
This commit is contained in:
AngeloGioacchino Del Regno
Sam Ravnborg
parent
dafa38c728
commit
623a3531e9
@ -281,6 +281,17 @@ config DRM_PANEL_NOVATEK_NT35510
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around the Novatek NT35510 display controller, such as some
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Hydis panels.
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config DRM_PANEL_NOVATEK_NT35950
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tristate "Novatek NT35950 DSI panel"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y here if you want to enable support for the panels built
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around the Novatek NT35950 display controller, such as some
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Sharp panels used in Sony Xperia Z5 Premium and XZ Premium
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mobile phones.
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config DRM_PANEL_NOVATEK_NT36672A
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tristate "Novatek NT36672A DSI panel"
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depends on OF
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@ -26,6 +26,7 @@ obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
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obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
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obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o
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obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o
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702
drivers/gpu/drm/panel/panel-novatek-nt35950.c
Normal file
702
drivers/gpu/drm/panel/panel-novatek-nt35950.c
Normal file
@ -0,0 +1,702 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Novatek NT35950 DriverIC panels driver
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*
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* Copyright (c) 2021 AngeloGioacchino Del Regno
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* <angelogioacchino.delregno@somainline.org>
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*/
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/of_graph.h>
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#include <linux/regulator/consumer.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#define MCS_CMD_MAUCCTR 0xf0 /* Manufacturer command enable */
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#define MCS_PARAM_SCALER_FUNCTION 0x58 /* Scale-up function */
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#define MCS_PARAM_SCALEUP_MODE 0xc9
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#define MCS_SCALEUP_SIMPLE 0x0
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#define MCS_SCALEUP_BILINEAR BIT(0)
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#define MCS_SCALEUP_DUPLICATE (BIT(0) | BIT(4))
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/* VESA Display Stream Compression param */
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#define MCS_PARAM_VESA_DSC_ON 0x03
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/* Data Compression mode */
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#define MCS_PARAM_DATA_COMPRESSION 0x90
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#define MCS_DATA_COMPRESSION_NONE 0x00
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#define MCS_DATA_COMPRESSION_FBC 0x02
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#define MCS_DATA_COMPRESSION_DSC 0x03
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/* Display Output control */
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#define MCS_PARAM_DISP_OUTPUT_CTRL 0xb4
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#define MCS_DISP_OUT_SRAM_EN BIT(0)
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#define MCS_DISP_OUT_VIDEO_MODE BIT(4)
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/* VESA Display Stream Compression setting */
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#define MCS_PARAM_VESA_DSC_SETTING 0xc0
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/* SubPixel Rendering (SPR) */
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#define MCS_PARAM_SPR_EN 0xe3
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#define MCS_PARAM_SPR_MODE 0xef
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#define MCS_SPR_MODE_YYG_RAINBOW_RGB 0x01
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#define NT35950_VREG_MAX 4
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struct nt35950 {
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struct drm_panel panel;
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struct drm_connector *connector;
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struct mipi_dsi_device *dsi[2];
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struct regulator_bulk_data vregs[NT35950_VREG_MAX];
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struct gpio_desc *reset_gpio;
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const struct nt35950_panel_desc *desc;
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int cur_mode;
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u8 last_page;
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bool prepared;
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};
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struct nt35950_panel_mode {
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const struct drm_display_mode mode;
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bool enable_sram;
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bool is_video_mode;
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u8 scaler_on;
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u8 scaler_mode;
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u8 compression;
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u8 spr_en;
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u8 spr_mode;
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};
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struct nt35950_panel_desc {
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const char *model_name;
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const struct mipi_dsi_device_info dsi_info;
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const struct nt35950_panel_mode *mode_data;
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bool is_dual_dsi;
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u8 num_lanes;
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u8 num_modes;
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};
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static inline struct nt35950 *to_nt35950(struct drm_panel *panel)
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{
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return container_of(panel, struct nt35950, panel);
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}
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#define dsi_dcs_write_seq(dsi, seq...) do { \
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static const u8 d[] = { seq }; \
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int ret; \
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ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
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if (ret < 0) \
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return ret; \
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} while (0)
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static void nt35950_reset(struct nt35950 *nt)
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{
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gpiod_set_value_cansleep(nt->reset_gpio, 1);
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usleep_range(12000, 13000);
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gpiod_set_value_cansleep(nt->reset_gpio, 0);
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usleep_range(300, 400);
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gpiod_set_value_cansleep(nt->reset_gpio, 1);
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usleep_range(12000, 13000);
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}
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/*
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* nt35950_set_cmd2_page - Select manufacturer control (CMD2) page
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* @nt: Main driver structure
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* @page: Page number (0-7)
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_set_cmd2_page(struct nt35950 *nt, u8 page)
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{
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const u8 mauc_cmd2_page[] = { MCS_CMD_MAUCCTR, 0x55, 0xaa, 0x52,
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0x08, page };
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int ret;
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], mauc_cmd2_page,
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ARRAY_SIZE(mauc_cmd2_page));
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if (ret < 0)
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return ret;
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nt->last_page = page;
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return 0;
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}
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/*
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* nt35950_set_data_compression - Set data compression mode
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* @nt: Main driver structure
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* @comp_mode: Compression mode
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_set_data_compression(struct nt35950 *nt, u8 comp_mode)
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{
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u8 cmd_data_compression[] = { MCS_PARAM_DATA_COMPRESSION, comp_mode };
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u8 cmd_vesa_dsc_on[] = { MCS_PARAM_VESA_DSC_ON, !!comp_mode };
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u8 cmd_vesa_dsc_setting[] = { MCS_PARAM_VESA_DSC_SETTING, 0x03 };
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u8 last_page = nt->last_page;
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int ret;
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/* Set CMD2 Page 0 if we're not there yet */
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if (last_page != 0) {
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ret = nt35950_set_cmd2_page(nt, 0);
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if (ret < 0)
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return ret;
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}
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_data_compression,
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ARRAY_SIZE(cmd_data_compression));
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if (ret < 0)
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return ret;
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_on,
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ARRAY_SIZE(cmd_vesa_dsc_on));
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if (ret < 0)
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return ret;
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/* Set the vesa dsc setting on Page 4 */
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ret = nt35950_set_cmd2_page(nt, 4);
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if (ret < 0)
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return ret;
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/* Display Stream Compression setting, always 0x03 */
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_setting,
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ARRAY_SIZE(cmd_vesa_dsc_setting));
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if (ret < 0)
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return ret;
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/* Get back to the previously set page */
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return nt35950_set_cmd2_page(nt, last_page);
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}
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/*
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* nt35950_set_scaler - Enable/disable resolution upscaling
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* @nt: Main driver structure
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* @scale_up: Scale up function control
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_set_scaler(struct nt35950 *nt, u8 scale_up)
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{
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u8 cmd_scaler[] = { MCS_PARAM_SCALER_FUNCTION, scale_up };
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return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler,
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ARRAY_SIZE(cmd_scaler));
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}
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/*
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* nt35950_set_scale_mode - Resolution upscaling mode
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* @nt: Main driver structure
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* @mode: Scaler mode (MCS_DATA_COMPRESSION_*)
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_set_scale_mode(struct nt35950 *nt, u8 mode)
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{
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u8 cmd_scaler[] = { MCS_PARAM_SCALEUP_MODE, mode };
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return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler,
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ARRAY_SIZE(cmd_scaler));
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}
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/*
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* nt35950_inject_black_image - Display a completely black image
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* @nt: Main driver structure
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*
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* After IC setup, the attached panel may show random data
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* due to driveric behavior changes (resolution, compression,
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* scaling, etc). This function, called after parameters setup,
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* makes the driver ic to output a completely black image to
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* the display.
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* It makes sense to push a black image before sending the sleep-out
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* and display-on commands.
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_inject_black_image(struct nt35950 *nt)
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{
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const u8 cmd0_black_img[] = { 0x6f, 0x01 };
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const u8 cmd1_black_img[] = { 0xf3, 0x10 };
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u8 cmd_test[] = { 0xff, 0xaa, 0x55, 0xa5, 0x80 };
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int ret;
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/* Enable test command */
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test));
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if (ret < 0)
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return ret;
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/* Send a black image */
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd0_black_img,
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ARRAY_SIZE(cmd0_black_img));
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if (ret < 0)
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return ret;
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ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd1_black_img,
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ARRAY_SIZE(cmd1_black_img));
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if (ret < 0)
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return ret;
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/* Disable test command */
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cmd_test[ARRAY_SIZE(cmd_test) - 1] = 0x00;
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return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test));
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}
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/*
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* nt35950_set_dispout - Set Display Output register parameters
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* @nt: Main driver structure
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*
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* Return: Number of transferred bytes or negative number on error
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*/
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static int nt35950_set_dispout(struct nt35950 *nt)
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{
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u8 cmd_dispout[] = { MCS_PARAM_DISP_OUTPUT_CTRL, 0x00 };
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const struct nt35950_panel_mode *mode_data = nt->desc->mode_data;
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if (mode_data[nt->cur_mode].is_video_mode)
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cmd_dispout[1] |= MCS_DISP_OUT_VIDEO_MODE;
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if (mode_data[nt->cur_mode].enable_sram)
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cmd_dispout[1] |= MCS_DISP_OUT_SRAM_EN;
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return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_dispout,
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ARRAY_SIZE(cmd_dispout));
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}
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static int nt35950_get_current_mode(struct nt35950 *nt)
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{
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struct drm_connector *connector = nt->connector;
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struct drm_crtc_state *crtc_state;
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int i;
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/* Return the default (first) mode if no info available yet */
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if (!connector->state || !connector->state->crtc)
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return 0;
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crtc_state = connector->state->crtc->state;
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for (i = 0; i < nt->desc->num_modes; i++) {
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if (drm_mode_match(&crtc_state->mode,
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&nt->desc->mode_data[i].mode,
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DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_CLOCK))
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return i;
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}
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return 0;
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}
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static int nt35950_on(struct nt35950 *nt)
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{
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const struct nt35950_panel_mode *mode_data = nt->desc->mode_data;
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struct mipi_dsi_device *dsi = nt->dsi[0];
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struct device *dev = &dsi->dev;
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int ret;
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nt->cur_mode = nt35950_get_current_mode(nt);
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nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM;
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nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM;
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ret = nt35950_set_cmd2_page(nt, 0);
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if (ret < 0)
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return ret;
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ret = nt35950_set_data_compression(nt, mode_data[nt->cur_mode].compression);
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if (ret < 0)
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return ret;
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ret = nt35950_set_scale_mode(nt, mode_data[nt->cur_mode].scaler_mode);
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if (ret < 0)
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return ret;
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ret = nt35950_set_scaler(nt, mode_data[nt->cur_mode].scaler_on);
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if (ret < 0)
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return ret;
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ret = nt35950_set_dispout(nt);
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if (ret < 0)
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return ret;
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ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
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if (ret < 0) {
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dev_err(dev, "Failed to set tear on: %d\n", ret);
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return ret;
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}
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ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0);
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if (ret < 0) {
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dev_err(dev, "Failed to set tear scanline: %d\n", ret);
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return ret;
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}
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/* CMD2 Page 1 */
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ret = nt35950_set_cmd2_page(nt, 1);
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if (ret < 0)
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return ret;
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/* Unknown command */
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dsi_dcs_write_seq(dsi, 0xd4, 0x88, 0x88);
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/* CMD2 Page 7 */
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ret = nt35950_set_cmd2_page(nt, 7);
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if (ret < 0)
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return ret;
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/* Enable SubPixel Rendering */
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dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_EN, 0x01);
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/* SPR Mode: YYG Rainbow-RGB */
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dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_MODE, MCS_SPR_MODE_YYG_RAINBOW_RGB);
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/* CMD3 */
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ret = nt35950_inject_black_image(nt);
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if (ret < 0)
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return ret;
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ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
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if (ret < 0)
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return ret;
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msleep(120);
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ret = mipi_dsi_dcs_set_display_on(dsi);
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if (ret < 0)
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return ret;
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msleep(120);
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nt->dsi[0]->mode_flags &= ~MIPI_DSI_MODE_LPM;
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nt->dsi[1]->mode_flags &= ~MIPI_DSI_MODE_LPM;
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return 0;
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}
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static int nt35950_off(struct nt35950 *nt)
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{
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struct device *dev = &nt->dsi[0]->dev;
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int ret;
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ret = mipi_dsi_dcs_set_display_off(nt->dsi[0]);
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if (ret < 0) {
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dev_err(dev, "Failed to set display off: %d\n", ret);
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goto set_lpm;
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}
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usleep_range(10000, 11000);
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ret = mipi_dsi_dcs_enter_sleep_mode(nt->dsi[0]);
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if (ret < 0) {
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dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
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goto set_lpm;
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}
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msleep(150);
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set_lpm:
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nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM;
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nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM;
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return 0;
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}
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|
||||
static int nt35950_sharp_init_vregs(struct nt35950 *nt, struct device *dev)
|
||||
{
|
||||
int ret;
|
||||
|
||||
nt->vregs[0].supply = "vddio";
|
||||
nt->vregs[1].supply = "avdd";
|
||||
nt->vregs[2].supply = "avee";
|
||||
nt->vregs[3].supply = "dvdd";
|
||||
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->vregs),
|
||||
nt->vregs);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = regulator_is_supported_voltage(nt->vregs[0].consumer,
|
||||
1750000, 1950000);
|
||||
if (!ret)
|
||||
return -EINVAL;
|
||||
ret = regulator_is_supported_voltage(nt->vregs[1].consumer,
|
||||
5200000, 5900000);
|
||||
if (!ret)
|
||||
return -EINVAL;
|
||||
/* AVEE is negative: -5.90V to -5.20V */
|
||||
ret = regulator_is_supported_voltage(nt->vregs[2].consumer,
|
||||
5200000, 5900000);
|
||||
if (!ret)
|
||||
return -EINVAL;
|
||||
|
||||
ret = regulator_is_supported_voltage(nt->vregs[3].consumer,
|
||||
1300000, 1400000);
|
||||
if (!ret)
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nt35950_prepare(struct drm_panel *panel)
|
||||
{
|
||||
struct nt35950 *nt = to_nt35950(panel);
|
||||
struct device *dev = &nt->dsi[0]->dev;
|
||||
int ret;
|
||||
|
||||
if (nt->prepared)
|
||||
return 0;
|
||||
|
||||
ret = regulator_enable(nt->vregs[0].consumer);
|
||||
if (ret)
|
||||
return ret;
|
||||
usleep_range(2000, 5000);
|
||||
|
||||
ret = regulator_enable(nt->vregs[3].consumer);
|
||||
if (ret)
|
||||
goto end;
|
||||
usleep_range(15000, 18000);
|
||||
|
||||
ret = regulator_enable(nt->vregs[1].consumer);
|
||||
if (ret)
|
||||
goto end;
|
||||
|
||||
ret = regulator_enable(nt->vregs[2].consumer);
|
||||
if (ret)
|
||||
goto end;
|
||||
usleep_range(12000, 13000);
|
||||
|
||||
nt35950_reset(nt);
|
||||
|
||||
ret = nt35950_on(nt);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "Failed to initialize panel: %d\n", ret);
|
||||
goto end;
|
||||
}
|
||||
nt->prepared = true;
|
||||
|
||||
end:
|
||||
if (ret < 0) {
|
||||
regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nt35950_unprepare(struct drm_panel *panel)
|
||||
{
|
||||
struct nt35950 *nt = to_nt35950(panel);
|
||||
struct device *dev = &nt->dsi[0]->dev;
|
||||
int ret;
|
||||
|
||||
if (!nt->prepared)
|
||||
return 0;
|
||||
|
||||
ret = nt35950_off(nt);
|
||||
if (ret < 0)
|
||||
dev_err(dev, "Failed to deinitialize panel: %d\n", ret);
|
||||
|
||||
gpiod_set_value_cansleep(nt->reset_gpio, 0);
|
||||
regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs);
|
||||
|
||||
nt->prepared = false;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nt35950_get_modes(struct drm_panel *panel,
|
||||
struct drm_connector *connector)
|
||||
{
|
||||
struct nt35950 *nt = to_nt35950(panel);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < nt->desc->num_modes; i++) {
|
||||
struct drm_display_mode *mode;
|
||||
|
||||
mode = drm_mode_duplicate(connector->dev,
|
||||
&nt->desc->mode_data[i].mode);
|
||||
if (!mode)
|
||||
return -ENOMEM;
|
||||
|
||||
drm_mode_set_name(mode);
|
||||
|
||||
mode->type |= DRM_MODE_TYPE_DRIVER;
|
||||
if (nt->desc->num_modes == 1)
|
||||
mode->type |= DRM_MODE_TYPE_PREFERRED;
|
||||
|
||||
drm_mode_probed_add(connector, mode);
|
||||
}
|
||||
|
||||
connector->display_info.bpc = 8;
|
||||
connector->display_info.height_mm = nt->desc->mode_data[0].mode.height_mm;
|
||||
connector->display_info.width_mm = nt->desc->mode_data[0].mode.width_mm;
|
||||
nt->connector = connector;
|
||||
|
||||
return nt->desc->num_modes;
|
||||
}
|
||||
|
||||
static const struct drm_panel_funcs nt35950_panel_funcs = {
|
||||
.prepare = nt35950_prepare,
|
||||
.unprepare = nt35950_unprepare,
|
||||
.get_modes = nt35950_get_modes,
|
||||
};
|
||||
|
||||
static int nt35950_probe(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct device *dev = &dsi->dev;
|
||||
struct device_node *dsi_r;
|
||||
struct mipi_dsi_host *dsi_r_host;
|
||||
struct nt35950 *nt;
|
||||
const struct mipi_dsi_device_info *info;
|
||||
int i, num_dsis = 1, ret;
|
||||
|
||||
nt = devm_kzalloc(dev, sizeof(*nt), GFP_KERNEL);
|
||||
if (!nt)
|
||||
return -ENOMEM;
|
||||
|
||||
ret = nt35950_sharp_init_vregs(nt, dev);
|
||||
if (ret)
|
||||
return dev_err_probe(dev, ret, "Regulator init failure.\n");
|
||||
|
||||
nt->desc = of_device_get_match_data(dev);
|
||||
if (!nt->desc)
|
||||
return -ENODEV;
|
||||
|
||||
nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
|
||||
if (IS_ERR(nt->reset_gpio)) {
|
||||
return dev_err_probe(dev, PTR_ERR(nt->reset_gpio),
|
||||
"Failed to get reset gpio\n");
|
||||
}
|
||||
|
||||
/* If the panel is connected on two DSIs then DSI0 left, DSI1 right */
|
||||
if (nt->desc->is_dual_dsi) {
|
||||
info = &nt->desc->dsi_info;
|
||||
dsi_r = of_graph_get_remote_node(dsi->dev.of_node, 1, -1);
|
||||
if (!dsi_r) {
|
||||
dev_err(dev, "Cannot get secondary DSI node.\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
dsi_r_host = of_find_mipi_dsi_host_by_node(dsi_r);
|
||||
of_node_put(dsi_r);
|
||||
if (!dsi_r_host) {
|
||||
dev_err(dev, "Cannot get secondary DSI host\n");
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info);
|
||||
if (!nt->dsi[1]) {
|
||||
dev_err(dev, "Cannot get secondary DSI node\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
num_dsis++;
|
||||
}
|
||||
|
||||
nt->dsi[0] = dsi;
|
||||
mipi_dsi_set_drvdata(dsi, nt);
|
||||
|
||||
drm_panel_init(&nt->panel, dev, &nt35950_panel_funcs,
|
||||
DRM_MODE_CONNECTOR_DSI);
|
||||
|
||||
ret = drm_panel_of_backlight(&nt->panel);
|
||||
if (ret)
|
||||
return dev_err_probe(dev, ret, "Failed to get backlight\n");
|
||||
|
||||
drm_panel_add(&nt->panel);
|
||||
|
||||
for (i = 0; i < num_dsis; i++) {
|
||||
nt->dsi[i]->lanes = nt->desc->num_lanes;
|
||||
nt->dsi[i]->format = MIPI_DSI_FMT_RGB888;
|
||||
|
||||
nt->dsi[i]->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS |
|
||||
MIPI_DSI_MODE_LPM;
|
||||
|
||||
if (nt->desc->mode_data[0].is_video_mode)
|
||||
nt->dsi[i]->mode_flags |= MIPI_DSI_MODE_VIDEO;
|
||||
|
||||
ret = mipi_dsi_attach(nt->dsi[i]);
|
||||
if (ret < 0) {
|
||||
return dev_err_probe(dev, ret,
|
||||
"Cannot attach to DSI%d host.\n", i);
|
||||
}
|
||||
}
|
||||
|
||||
/* Make sure to set RESX LOW before starting the power-on sequence */
|
||||
gpiod_set_value_cansleep(nt->reset_gpio, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nt35950_remove(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct nt35950 *nt = mipi_dsi_get_drvdata(dsi);
|
||||
int ret;
|
||||
|
||||
ret = mipi_dsi_detach(nt->dsi[0]);
|
||||
if (ret < 0)
|
||||
dev_err(&dsi->dev,
|
||||
"Failed to detach from DSI0 host: %d\n", ret);
|
||||
|
||||
if (nt->dsi[1]) {
|
||||
ret = mipi_dsi_detach(nt->dsi[1]);
|
||||
if (ret < 0)
|
||||
dev_err(&dsi->dev,
|
||||
"Failed to detach from DSI1 host: %d\n", ret);
|
||||
mipi_dsi_device_unregister(nt->dsi[1]);
|
||||
};
|
||||
|
||||
drm_panel_remove(&nt->panel);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct nt35950_panel_mode sharp_ls055d1sx04_modes[] = {
|
||||
{
|
||||
/* 1920x1080 60Hz no compression */
|
||||
.mode = {
|
||||
.clock = 214537,
|
||||
.hdisplay = 1080,
|
||||
.hsync_start = 1080 + 400,
|
||||
.hsync_end = 1080 + 400 + 40,
|
||||
.htotal = 1080 + 400 + 40 + 300,
|
||||
.vdisplay = 1920,
|
||||
.vsync_start = 1920 + 12,
|
||||
.vsync_end = 1920 + 12 + 2,
|
||||
.vtotal = 1920 + 12 + 2 + 10,
|
||||
.width_mm = 68,
|
||||
.height_mm = 121,
|
||||
},
|
||||
.compression = MCS_DATA_COMPRESSION_NONE,
|
||||
.enable_sram = true,
|
||||
.is_video_mode = false,
|
||||
.scaler_on = 1,
|
||||
.scaler_mode = MCS_SCALEUP_DUPLICATE,
|
||||
},
|
||||
/* TODO: Add 2160x3840 60Hz when DSC is supported */
|
||||
};
|
||||
|
||||
const struct nt35950_panel_desc sharp_ls055d1sx04 = {
|
||||
.model_name = "Sharp LS055D1SX04",
|
||||
.dsi_info = {
|
||||
.type = "LS055D1SX04",
|
||||
.channel = 0,
|
||||
.node = NULL,
|
||||
},
|
||||
.mode_data = sharp_ls055d1sx04_modes,
|
||||
.num_modes = ARRAY_SIZE(sharp_ls055d1sx04_modes),
|
||||
.is_dual_dsi = true,
|
||||
.num_lanes = 4,
|
||||
};
|
||||
|
||||
static const struct of_device_id nt35950_of_match[] = {
|
||||
{ .compatible = "sharp,ls055d1sx04", .data = &sharp_ls055d1sx04 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, nt35950_of_match);
|
||||
|
||||
static struct mipi_dsi_driver nt35950_driver = {
|
||||
.probe = nt35950_probe,
|
||||
.remove = nt35950_remove,
|
||||
.driver = {
|
||||
.name = "panel-novatek-nt35950",
|
||||
.of_match_table = nt35950_of_match,
|
||||
},
|
||||
};
|
||||
module_mipi_dsi_driver(nt35950_driver);
|
||||
|
||||
MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>");
|
||||
MODULE_DESCRIPTION("Novatek NT35950 DriverIC panels driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
Loading…
Reference in New Issue
Block a user