diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-novatek-nt36672e.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-novatek-nt36672e.c | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c new file mode 100644 index 0000000000..c39fe0fc5d --- /dev/null +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c @@ -0,0 +1,641 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +#include <video/mipi_display.h> + +static const char * const regulator_names[] = { + "vddi", + "avdd", + "avee", +}; + +static const unsigned long regulator_enable_loads[] = { + 62000, + 100000, + 100000, +}; + +static const unsigned long regulator_disable_loads[] = { + 80, + 100, + 100, +}; + +struct panel_desc { + const struct drm_display_mode *display_mode; + u32 width_mm; + u32 height_mm; + unsigned long mode_flags; + enum mipi_dsi_pixel_format format; + unsigned int lanes; + const char *panel_name; + int (*init_sequence)(struct mipi_dsi_device *dsi); +}; + +struct nt36672e_panel { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct gpio_desc *reset_gpio; + struct regulator_bulk_data supplies[3]; + const struct panel_desc *desc; +}; + +static inline struct nt36672e_panel *to_nt36672e_panel(struct drm_panel *panel) +{ + return container_of(panel, struct nt36672e_panel, panel); +} + +static int nt36672e_1080x2408_60hz_init(struct mipi_dsi_device *dsi) +{ + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xc0, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x89, 0x28, 0x00, 0x08, 0x00, 0xaa, 0x02, + 0x0e, 0x00, 0x2b, 0x00, 0x07, 0x0d, 0xb7, 0x0c, 0xb7); + + mipi_dsi_dcs_write_seq(dsi, 0xc2, 0x1b, 0xa0); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x66); + mipi_dsi_dcs_write_seq(dsi, 0x06, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x38); + mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x83); + mipi_dsi_dcs_write_seq(dsi, 0x69, 0x91); + mipi_dsi_dcs_write_seq(dsi, 0x95, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0x96, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0xf2, 0x64); + mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x54); + mipi_dsi_dcs_write_seq(dsi, 0xf4, 0x64); + mipi_dsi_dcs_write_seq(dsi, 0xf5, 0x54); + mipi_dsi_dcs_write_seq(dsi, 0xf6, 0x64); + mipi_dsi_dcs_write_seq(dsi, 0xf7, 0x54); + mipi_dsi_dcs_write_seq(dsi, 0xf8, 0x64); + mipi_dsi_dcs_write_seq(dsi, 0xf9, 0x54); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x0c); + mipi_dsi_dcs_write_seq(dsi, 0x05, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x08, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0x09, 0x2e); + mipi_dsi_dcs_write_seq(dsi, 0x0a, 0x2d); + mipi_dsi_dcs_write_seq(dsi, 0x0b, 0x2c); + mipi_dsi_dcs_write_seq(dsi, 0x11, 0x17); + mipi_dsi_dcs_write_seq(dsi, 0x12, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x13, 0x15); + mipi_dsi_dcs_write_seq(dsi, 0x15, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0x17, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x1d); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0x21, 0x2e); + mipi_dsi_dcs_write_seq(dsi, 0x22, 0x2d); + mipi_dsi_dcs_write_seq(dsi, 0x23, 0x2c); + mipi_dsi_dcs_write_seq(dsi, 0x29, 0x17); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x15); + mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0x30, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0x31, 0x18); + mipi_dsi_dcs_write_seq(dsi, 0x32, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0x35, 0x1f); + mipi_dsi_dcs_write_seq(dsi, 0x36, 0x1f); + mipi_dsi_dcs_write_seq(dsi, 0x4d, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0x4e, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x4f, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x53, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x71, 0x30); + mipi_dsi_dcs_write_seq(dsi, 0x79, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x7a, 0x82); + mipi_dsi_dcs_write_seq(dsi, 0x7b, 0x8f); + mipi_dsi_dcs_write_seq(dsi, 0x7d, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x80, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x81, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x82, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x84, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0x85, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x86, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x87, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x90, 0x13); + mipi_dsi_dcs_write_seq(dsi, 0x92, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0x93, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x94, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x95, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x9c, 0xf4); + mipi_dsi_dcs_write_seq(dsi, 0x9d, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xa0, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0xa2, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0xa3, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xa4, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xa5, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xc6, 0xc0); + mipi_dsi_dcs_write_seq(dsi, 0xc9, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xd9, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x25); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x18, 0x22); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0xe4); + mipi_dsi_dcs_write_seq(dsi, 0x21, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x66, 0xd8); + mipi_dsi_dcs_write_seq(dsi, 0x68, 0x50); + mipi_dsi_dcs_write_seq(dsi, 0x69, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0x6b, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x0d); + mipi_dsi_dcs_write_seq(dsi, 0x6e, 0x48); + mipi_dsi_dcs_write_seq(dsi, 0x72, 0x41); + mipi_dsi_dcs_write_seq(dsi, 0x73, 0x4a); + mipi_dsi_dcs_write_seq(dsi, 0x74, 0xd0); + mipi_dsi_dcs_write_seq(dsi, 0x77, 0x62); + mipi_dsi_dcs_write_seq(dsi, 0x79, 0x7e); + mipi_dsi_dcs_write_seq(dsi, 0x7d, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x7e, 0x15); + mipi_dsi_dcs_write_seq(dsi, 0x7f, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x84, 0x4d); + mipi_dsi_dcs_write_seq(dsi, 0xcf, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0xd6, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0xd7, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0xef, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0xf0, 0x84); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x26); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x81, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x83, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x84, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x85, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x86, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x87, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x88, 0x05); + mipi_dsi_dcs_write_seq(dsi, 0x8a, 0x1a); + mipi_dsi_dcs_write_seq(dsi, 0x8b, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x8c, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x42); + mipi_dsi_dcs_write_seq(dsi, 0x8f, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x90, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x91, 0x11); + mipi_dsi_dcs_write_seq(dsi, 0x9a, 0x80); + mipi_dsi_dcs_write_seq(dsi, 0x9b, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x9c, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x9d, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x9e, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x27); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x01, 0x68); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x81); + mipi_dsi_dcs_write_seq(dsi, 0x21, 0x6a); + mipi_dsi_dcs_write_seq(dsi, 0x25, 0x81); + mipi_dsi_dcs_write_seq(dsi, 0x26, 0x94); + mipi_dsi_dcs_write_seq(dsi, 0x6e, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x6f, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x70, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x71, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x72, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x75, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x76, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x77, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0x7d, 0x09); + mipi_dsi_dcs_write_seq(dsi, 0x7e, 0x67); + mipi_dsi_dcs_write_seq(dsi, 0x80, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0x82, 0x09); + mipi_dsi_dcs_write_seq(dsi, 0x83, 0x67); + mipi_dsi_dcs_write_seq(dsi, 0x88, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x89, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xa5, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xa6, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0xa7, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xe5, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xe6, 0xd3); + mipi_dsi_dcs_write_seq(dsi, 0xeb, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0xec, 0x28); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0x91); + mipi_dsi_dcs_write_seq(dsi, 0x03, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0x07, 0x50); + mipi_dsi_dcs_write_seq(dsi, 0x0a, 0x70); + mipi_dsi_dcs_write_seq(dsi, 0x0c, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x11, 0xe0); + mipi_dsi_dcs_write_seq(dsi, 0x15, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x16, 0xa4); + mipi_dsi_dcs_write_seq(dsi, 0x19, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x78); + mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x1e, 0x3e); + mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x3e); + mipi_dsi_dcs_write_seq(dsi, 0x20, 0x3e); + mipi_dsi_dcs_write_seq(dsi, 0x28, 0xfd); + mipi_dsi_dcs_write_seq(dsi, 0x29, 0x12); + mipi_dsi_dcs_write_seq(dsi, 0x2a, 0xe1); + mipi_dsi_dcs_write_seq(dsi, 0x2d, 0x0a); + mipi_dsi_dcs_write_seq(dsi, 0x30, 0x49); + mipi_dsi_dcs_write_seq(dsi, 0x33, 0x96); + mipi_dsi_dcs_write_seq(dsi, 0x34, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0x35, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x36, 0xde); + mipi_dsi_dcs_write_seq(dsi, 0x37, 0xf9); + mipi_dsi_dcs_write_seq(dsi, 0x38, 0x45); + mipi_dsi_dcs_write_seq(dsi, 0x39, 0xd9); + mipi_dsi_dcs_write_seq(dsi, 0x3a, 0x49); + mipi_dsi_dcs_write_seq(dsi, 0x4a, 0xf0); + mipi_dsi_dcs_write_seq(dsi, 0x7a, 0x09); + mipi_dsi_dcs_write_seq(dsi, 0x7b, 0x40); + mipi_dsi_dcs_write_seq(dsi, 0x7f, 0xf0); + mipi_dsi_dcs_write_seq(dsi, 0x83, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x84, 0xa4); + mipi_dsi_dcs_write_seq(dsi, 0x87, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x88, 0x78); + mipi_dsi_dcs_write_seq(dsi, 0x89, 0x23); + mipi_dsi_dcs_write_seq(dsi, 0x8b, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x8c, 0x7d); + mipi_dsi_dcs_write_seq(dsi, 0x8d, 0x7d); + mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x7d); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x00, 0x00, 0x17, 0x00, 0x49, 0x00, + 0x6a, 0x00, 0x89, 0x00, 0x9f, 0x00, 0xb6, 0x00, 0xc8); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xd9, 0x01, 0x10, 0x01, 0x3a, 0x01, + 0x7a, 0x01, 0xa9, 0x01, 0xf2, 0x02, 0x2d, 0x02, 0x2e); + mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x64, 0x02, 0xa3, 0x02, 0xca, 0x03, + 0x00, 0x03, 0x1e, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a); + mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00, + 0x71, 0x00, 0x90, 0x00, 0xa7, 0x00, 0xbf, 0x00, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xe2, 0x01, 0x1a, 0x01, 0x43, 0x01, + 0x83, 0x01, 0xb2, 0x01, 0xfa, 0x02, 0x34, 0x02, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x6b, 0x02, 0xa8, 0x02, 0xd0, 0x03, + 0x03, 0x03, 0x21, 0x03, 0x4d, 0x03, 0x5b, 0x03, 0x6b); + mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x7e, 0x03, 0x94, 0x03, 0xac, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00, + 0x72, 0x00, 0x92, 0x00, 0xa8, 0x00, 0xbf, 0x00, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xe2, 0x01, 0x18, 0x01, 0x42, 0x01, + 0x81, 0x01, 0xaf, 0x01, 0xf5, 0x02, 0x2f, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x68, 0x02, 0xa6, 0x02, 0xcd, 0x03, + 0x01, 0x03, 0x1f, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a); + mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x21); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x00, 0x00, 0x17, 0x00, 0x49, 0x00, + 0x6a, 0x00, 0x89, 0x00, 0x9f, 0x00, 0xb6, 0x00, 0xc8); + mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xd9, 0x01, 0x10, 0x01, 0x3a, 0x01, + 0x7a, 0x01, 0xa9, 0x01, 0xf2, 0x02, 0x2d, 0x02, 0x2e); + mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x64, 0x02, 0xa3, 0x02, 0xca, 0x03, + 0x00, 0x03, 0x1e, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a); + mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00, + 0x71, 0x00, 0x90, 0x00, 0xa7, 0x00, 0xbf, 0x00, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xe2, 0x01, 0x1a, 0x01, 0x43, 0x01, + 0x83, 0x01, 0xb2, 0x01, 0xfa, 0x02, 0x34, 0x02, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x6b, 0x02, 0xa8, 0x02, 0xd0, 0x03, + 0x03, 0x03, 0x21, 0x03, 0x4d, 0x03, 0x5b, 0x03, 0x6b); + mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x7e, 0x03, 0x94, 0x03, 0xac, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00, + 0x72, 0x00, 0x92, 0x00, 0xa8, 0x00, 0xbf, 0x00, 0xd1); + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xe2, 0x01, 0x18, 0x01, 0x42, 0x01, + 0x81, 0x01, 0xaf, 0x01, 0xf5, 0x02, 0x2f, 0x02, 0x31); + mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x68, 0x02, 0xa6, 0x02, 0xcd, 0x03, + 0x01, 0x03, 0x1f, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a); + mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03, + 0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2c); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x61, 0x1f); + mipi_dsi_dcs_write_seq(dsi, 0x62, 0x1f); + mipi_dsi_dcs_write_seq(dsi, 0x7e, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0x6a, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0x6b, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x6c, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x36); + mipi_dsi_dcs_write_seq(dsi, 0x53, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x54, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x55, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0x56, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x58, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0x59, 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0xff, 0xf0); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x5a, 0x00); + + mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10); + mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0x51, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0x53, 0x24); + mipi_dsi_dcs_write_seq(dsi, 0x55, 0x01); + + return 0; +} + +static int nt36672e_power_on(struct nt36672e_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + int ret, i; + + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) { + ret = regulator_set_load(ctx->supplies[i].consumer, + regulator_enable_loads[i]); + if (ret) { + dev_err(&dsi->dev, "regulator set load failed for supply %s: %d\n", + ctx->supplies[i].supply, ret); + return ret; + } + } + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(&dsi->dev, "regulator bulk enable failed: %d\n", ret); + return ret; + } + + /* + * Reset sequence of nt36672e panel requires the panel to be out of reset + * for 10ms, followed by being held in reset for 10ms and then out again. + */ + gpiod_set_value(ctx->reset_gpio, 1); + usleep_range(10000, 20000); + gpiod_set_value(ctx->reset_gpio, 0); + usleep_range(10000, 20000); + gpiod_set_value(ctx->reset_gpio, 1); + usleep_range(10000, 20000); + + return 0; +} + +static int nt36672e_power_off(struct nt36672e_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + int ret = 0; + int i; + + gpiod_set_value(ctx->reset_gpio, 0); + + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) { + ret = regulator_set_load(ctx->supplies[i].consumer, + regulator_disable_loads[i]); + if (ret) { + dev_err(&dsi->dev, "regulator set load failed for supply %s: %d\n", + ctx->supplies[i].supply, ret); + return ret; + } + } + + ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret) + dev_err(&dsi->dev, "regulator bulk disable failed: %d\n", ret); + + return ret; +} + +static int nt36672e_on(struct nt36672e_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + const struct panel_desc *desc = ctx->desc; + int ret = 0; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + if (desc->init_sequence) { + ret = desc->init_sequence(dsi); + if (ret < 0) { + dev_err(&dsi->dev, "panel init sequence failed: %d\n", ret); + return ret; + } + } + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + dev_err(&dsi->dev, "Failed to exit sleep mode: %d\n", ret); + return ret; + } + msleep(120); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(&dsi->dev, "Failed to set display on: %d\n", ret); + return ret; + } + msleep(100); + + return 0; +} + +static int nt36672e_off(struct nt36672e_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + int ret = 0; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(&dsi->dev, "Failed to set display off: %d\n", ret); + return ret; + } + msleep(20); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(&dsi->dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + msleep(60); + + return 0; +} + +static int nt36672e_panel_prepare(struct drm_panel *panel) +{ + struct nt36672e_panel *ctx = to_nt36672e_panel(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + int ret = 0; + + ret = nt36672e_power_on(ctx); + if (ret < 0) + return ret; + + ret = nt36672e_on(ctx); + if (ret < 0) { + dev_err(&dsi->dev, "Failed to initialize panel: %d\n", ret); + if (nt36672e_power_off(ctx)) + dev_err(&dsi->dev, "power off failed\n"); + return ret; + } + + return 0; +} + +static int nt36672e_panel_unprepare(struct drm_panel *panel) +{ + struct nt36672e_panel *ctx = to_nt36672e_panel(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + int ret = 0; + + ret = nt36672e_off(ctx); + if (ret < 0) + dev_err(&dsi->dev, "Failed to un-initialize panel: %d\n", ret); + + ret = nt36672e_power_off(ctx); + if (ret < 0) + dev_err(&dsi->dev, "power off failed: %d\n", ret); + + return 0; +} + +static const struct drm_display_mode nt36672e_1080x2408_60hz = { + .name = "1080x2408", + .clock = 181690, + .hdisplay = 1080, + .hsync_start = 1080 + 76, + .hsync_end = 1080 + 76 + 12, + .htotal = 1080 + 76 + 12 + 56, + .vdisplay = 2408, + .vsync_start = 2408 + 46, + .vsync_end = 2408 + 46 + 10, + .vtotal = 2408 + 46 + 10 + 10, + .flags = 0, +}; + +static const struct panel_desc nt36672e_panel_desc = { + .display_mode = &nt36672e_1080x2408_60hz, + .width_mm = 74, + .height_mm = 131, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, + .panel_name = "nt36672e fhd plus panel", + .init_sequence = nt36672e_1080x2408_60hz_init, +}; + +static int nt36672e_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector) +{ + struct nt36672e_panel *ctx = to_nt36672e_panel(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, ctx->desc->display_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = ctx->desc->width_mm; + connector->display_info.height_mm = ctx->desc->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs nt36672e_drm_funcs = { + .prepare = nt36672e_panel_prepare, + .unprepare = nt36672e_panel_unprepare, + .get_modes = nt36672e_panel_get_modes, +}; + +static int nt36672e_panel_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct nt36672e_panel *ctx; + int i, ret = 0; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->desc = of_device_get_match_data(dev); + if (!ctx->desc) { + dev_err(dev, "missing device configuration\n"); + return -ENODEV; + } + + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) + ctx->supplies[i].supply = regulator_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) + return ret; + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n"); + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = ctx->desc->lanes; + dsi->format = ctx->desc->format; + dsi->mode_flags = ctx->desc->mode_flags; + + drm_panel_init(&ctx->panel, dev, &nt36672e_drm_funcs, DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + + ctx->panel.prepare_prev_first = true; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + goto err_dsi_attach; + } + + return 0; + +err_dsi_attach: + drm_panel_remove(&ctx->panel); + return ret; +} + +static void nt36672e_panel_remove(struct mipi_dsi_device *dsi) +{ + struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(ctx->dsi); + drm_panel_remove(&ctx->panel); +} + +static const struct of_device_id nt36672e_of_match[] = { + { + .compatible = "novatek,nt36672e", + .data = &nt36672e_panel_desc, + }, + { } +}; +MODULE_DEVICE_TABLE(of, nt36672e_of_match); + +static struct mipi_dsi_driver nt36672e_panel_driver = { + .driver = { + .name = "panel-novatek-nt36672e", + .of_match_table = nt36672e_of_match, + }, + .probe = nt36672e_panel_probe, + .remove = nt36672e_panel_remove, +}; +module_mipi_dsi_driver(nt36672e_panel_driver); + +MODULE_AUTHOR("Ritesh Kumar <quic_riteshk@quicinc.com>"); +MODULE_DESCRIPTION("Novatek NT36672E DSI Panel Driver"); +MODULE_LICENSE("GPL"); |