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linux/drivers/gpu/drm/panel/panel-khadas-ts050.c
Anusha Srivatsa 95ec5c606d
drm/panel/khadas-ts050: Use refcounted allocation in place of devm_kzalloc() 
Move to using the new API devm_drm_panel_alloc() to allocate the
panel. In the call to the new API, avoid using explicit type and use
__typeof() for more type safety.

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250710-b4-driver-convert-last-part-july-v1-8-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-07-16 16:58:12 +02:00

896 lines
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <video/mipi_display.h>
#include <drm/drm_crtc.h>
#include <drm/drm_device.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
struct khadas_ts050_panel {
struct drm_panel base;
struct mipi_dsi_device *link;
struct regulator *supply;
struct gpio_desc *reset_gpio;
struct gpio_desc *enable_gpio;
struct khadas_ts050_panel_data *panel_data;
};
struct khadas_ts050_panel_cmd {
u8 cmd;
u8 data[55];
u8 size;
};
struct khadas_ts050_panel_data {
struct khadas_ts050_panel_cmd *init_code;
int len;
};
static const struct khadas_ts050_panel_cmd ts050v2_init_code[] = {
{0xB9, {0xFF, 0x83, 0x99}, 0x03},
{0xBA, {0x63, 0x23, 0x68, 0xCF}, 0x04},
{0xD2, {0x55}, 0x01},
{0xB1, {0x02, 0x04, 0x70, 0x90, 0x01, 0x32, 0x33,
0x11, 0x11, 0x4D, 0x57, 0x56, 0x73, 0x02, 0x02}, 0x0f},
{0xB2, {0x00, 0x80, 0x80, 0xAE, 0x0A, 0x0E, 0x75, 0x11, 0x00, 0x00, 0x00}, 0x0b},
{0xB4, {0x00, 0xFF, 0x04, 0xA4, 0x02, 0xA0, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02,
0x00, 0x24, 0x02, 0x04, 0x0A, 0x21, 0x03, 0x00, 0x00, 0x08, 0xA6, 0x88,
0x04, 0xA4, 0x02, 0xA0, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x00, 0x24,
0x02, 0x04, 0x0A, 0x00, 0x00, 0x08, 0xA6, 0x00, 0x08, 0x11}, 0x2e},
{0xD3, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
0x18, 0x32, 0x10, 0x09, 0x00, 0x09, 0x32,
0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x11, 0x00, 0x02, 0x02, 0x03, 0x00, 0x00, 0x00, 0x0A,
0x40}, 0x21},
{0xD5, {0x18, 0x18, 0x18, 0x18, 0x21, 0x20, 0x18, 0x18, 0x19, 0x19, 0x19,
0x19, 0x18, 0x18, 0x18, 0x18, 0x03, 0x02, 0x01, 0x00, 0x2F, 0x2F,
0x30, 0x30, 0x31, 0x31, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, 0x20},
{0xD6, {0x18, 0x18, 0x18, 0x18, 0x20, 0x21, 0x19, 0x19, 0x18, 0x18, 0x19,
0x19, 0x18, 0x18, 0x18, 0x18, 0x00, 0x01, 0x02, 0x03, 0x2F, 0x2F,
0x30, 0x30, 0x31, 0x31, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, 0x20},
{0xD8, {0x0A, 0xBE, 0xFA, 0xA0, 0x0A, 0xBE, 0xFA, 0xA0}, 0x08},
{0xBD, {0x01}, 0x01},
{0xD8, {0x0F, 0xFF, 0xFF, 0xE0, 0x0F, 0xFF, 0xFF, 0xE0}, 0x08},
{0xBD, {0x02}, 0x01},
{0xD8, {0x0F, 0xFF, 0xFF, 0xE0, 0x0F, 0xFF, 0xFF, 0xE0}, 0x08},
{0xBD, {0x00}, 0x01},
{0xE0, {0x01, 0x35, 0x41, 0x3B, 0x79, 0x81, 0x8C, 0x85, 0x8E,
0x95, 0x9B, 0xA0, 0xA4, 0xAB, 0xB1, 0xB3, 0xB7, 0xC5, 0xBD, 0xC5,
0xB6, 0xC2, 0xC2, 0x62, 0x5D, 0x66, 0x73, 0x01, 0x35, 0x41, 0x3B,
0x79, 0x81, 0x8C, 0x85, 0x8E, 0x95, 0x9B, 0xA0, 0xA4, 0xAB, 0xB1,
0xB3, 0xB7, 0xB5, 0xBD, 0xC5, 0xB6, 0xC2, 0xC2, 0x62, 0x5D, 0x66,
0x73}, 0x36},
{0xB6, {0x97, 0x97}, 0x02},
{0xCC, {0xC8}, 0x02},
{0xBF, {0x40, 0x41, 0x50, 0x19}, 0x04},
{0xC6, {0xFF, 0xF9}, 0x02},
{0xC0, {0x25, 0x5A}, 0x02},
};
/* Only the CMD1 User Command set is documented */
static const struct khadas_ts050_panel_cmd ts050_init_code[] = {
/* Select Unknown CMD Page (Undocumented) */
{0xff, {0xee}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
{0x1f, {0x45}, 0x01},
{0x24, {0x4f}, 0x01},
{0x38, {0xc8}, 0x01},
{0x39, {0x27}, 0x01},
{0x1e, {0x77}, 0x01},
{0x1d, {0x0f}, 0x01},
{0x7e, {0x71}, 0x01},
{0x7c, {0x03}, 0x01},
{0xff, {0x00}, 0x01},
{0xfb, {0x01}, 0x01},
{0x35, {0x01}, 0x01},
/* Select CMD2 Page0 (Undocumented) */
{0xff, {0x01}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
{0x00, {0x01}, 0x01},
{0x01, {0x55}, 0x01},
{0x02, {0x40}, 0x01},
{0x05, {0x40}, 0x01},
{0x06, {0x4a}, 0x01},
{0x07, {0x24}, 0x01},
{0x08, {0x0c}, 0x01},
{0x0b, {0x7d}, 0x01},
{0x0c, {0x7d}, 0x01},
{0x0e, {0xb0}, 0x01},
{0x0f, {0xae}, 0x01},
{0x11, {0x10}, 0x01},
{0x12, {0x10}, 0x01},
{0x13, {0x03}, 0x01},
{0x14, {0x4a}, 0x01},
{0x15, {0x12}, 0x01},
{0x16, {0x12}, 0x01},
{0x18, {0x00}, 0x01},
{0x19, {0x77}, 0x01},
{0x1a, {0x55}, 0x01},
{0x1b, {0x13}, 0x01},
{0x1c, {0x00}, 0x01},
{0x1d, {0x00}, 0x01},
{0x1e, {0x13}, 0x01},
{0x1f, {0x00}, 0x01},
{0x23, {0x00}, 0x01},
{0x24, {0x00}, 0x01},
{0x25, {0x00}, 0x01},
{0x26, {0x00}, 0x01},
{0x27, {0x00}, 0x01},
{0x28, {0x00}, 0x01},
{0x35, {0x00}, 0x01},
{0x66, {0x00}, 0x01},
{0x58, {0x82}, 0x01},
{0x59, {0x02}, 0x01},
{0x5a, {0x02}, 0x01},
{0x5b, {0x02}, 0x01},
{0x5c, {0x82}, 0x01},
{0x5d, {0x82}, 0x01},
{0x5e, {0x02}, 0x01},
{0x5f, {0x02}, 0x01},
{0x72, {0x31}, 0x01},
/* Select CMD2 Page4 (Undocumented) */
{0xff, {0x05}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
{0x00, {0x01}, 0x01},
{0x01, {0x0b}, 0x01},
{0x02, {0x0c}, 0x01},
{0x03, {0x09}, 0x01},
{0x04, {0x0a}, 0x01},
{0x05, {0x00}, 0x01},
{0x06, {0x0f}, 0x01},
{0x07, {0x10}, 0x01},
{0x08, {0x00}, 0x01},
{0x09, {0x00}, 0x01},
{0x0a, {0x00}, 0x01},
{0x0b, {0x00}, 0x01},
{0x0c, {0x00}, 0x01},
{0x0d, {0x13}, 0x01},
{0x0e, {0x15}, 0x01},
{0x0f, {0x17}, 0x01},
{0x10, {0x01}, 0x01},
{0x11, {0x0b}, 0x01},
{0x12, {0x0c}, 0x01},
{0x13, {0x09}, 0x01},
{0x14, {0x0a}, 0x01},
{0x15, {0x00}, 0x01},
{0x16, {0x0f}, 0x01},
{0x17, {0x10}, 0x01},
{0x18, {0x00}, 0x01},
{0x19, {0x00}, 0x01},
{0x1a, {0x00}, 0x01},
{0x1b, {0x00}, 0x01},
{0x1c, {0x00}, 0x01},
{0x1d, {0x13}, 0x01},
{0x1e, {0x15}, 0x01},
{0x1f, {0x17}, 0x01},
{0x20, {0x00}, 0x01},
{0x21, {0x03}, 0x01},
{0x22, {0x01}, 0x01},
{0x23, {0x40}, 0x01},
{0x24, {0x40}, 0x01},
{0x25, {0xed}, 0x01},
{0x29, {0x58}, 0x01},
{0x2a, {0x12}, 0x01},
{0x2b, {0x01}, 0x01},
{0x4b, {0x06}, 0x01},
{0x4c, {0x11}, 0x01},
{0x4d, {0x20}, 0x01},
{0x4e, {0x02}, 0x01},
{0x4f, {0x02}, 0x01},
{0x50, {0x20}, 0x01},
{0x51, {0x61}, 0x01},
{0x52, {0x01}, 0x01},
{0x53, {0x63}, 0x01},
{0x54, {0x77}, 0x01},
{0x55, {0xed}, 0x01},
{0x5b, {0x00}, 0x01},
{0x5c, {0x00}, 0x01},
{0x5d, {0x00}, 0x01},
{0x5e, {0x00}, 0x01},
{0x5f, {0x15}, 0x01},
{0x60, {0x75}, 0x01},
{0x61, {0x00}, 0x01},
{0x62, {0x00}, 0x01},
{0x63, {0x00}, 0x01},
{0x64, {0x00}, 0x01},
{0x65, {0x00}, 0x01},
{0x66, {0x00}, 0x01},
{0x67, {0x00}, 0x01},
{0x68, {0x04}, 0x01},
{0x69, {0x00}, 0x01},
{0x6a, {0x00}, 0x01},
{0x6c, {0x40}, 0x01},
{0x75, {0x01}, 0x01},
{0x76, {0x01}, 0x01},
{0x7a, {0x80}, 0x01},
{0x7b, {0xa3}, 0x01},
{0x7c, {0xd8}, 0x01},
{0x7d, {0x60}, 0x01},
{0x7f, {0x15}, 0x01},
{0x80, {0x81}, 0x01},
{0x83, {0x05}, 0x01},
{0x93, {0x08}, 0x01},
{0x94, {0x10}, 0x01},
{0x8a, {0x00}, 0x01},
{0x9b, {0x0f}, 0x01},
{0xea, {0xff}, 0x01},
{0xec, {0x00}, 0x01},
/* Select CMD2 Page0 (Undocumented) */
{0xff, {0x01}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
{0x75, {0x00}, 0x01},
{0x76, {0xdf}, 0x01},
{0x77, {0x00}, 0x01},
{0x78, {0xe4}, 0x01},
{0x79, {0x00}, 0x01},
{0x7a, {0xed}, 0x01},
{0x7b, {0x00}, 0x01},
{0x7c, {0xf6}, 0x01},
{0x7d, {0x00}, 0x01},
{0x7e, {0xff}, 0x01},
{0x7f, {0x01}, 0x01},
{0x80, {0x07}, 0x01},
{0x81, {0x01}, 0x01},
{0x82, {0x10}, 0x01},
{0x83, {0x01}, 0x01},
{0x84, {0x18}, 0x01},
{0x85, {0x01}, 0x01},
{0x86, {0x20}, 0x01},
{0x87, {0x01}, 0x01},
{0x88, {0x3d}, 0x01},
{0x89, {0x01}, 0x01},
{0x8a, {0x56}, 0x01},
{0x8b, {0x01}, 0x01},
{0x8c, {0x84}, 0x01},
{0x8d, {0x01}, 0x01},
{0x8e, {0xab}, 0x01},
{0x8f, {0x01}, 0x01},
{0x90, {0xec}, 0x01},
{0x91, {0x02}, 0x01},
{0x92, {0x22}, 0x01},
{0x93, {0x02}, 0x01},
{0x94, {0x23}, 0x01},
{0x95, {0x02}, 0x01},
{0x96, {0x55}, 0x01},
{0x97, {0x02}, 0x01},
{0x98, {0x8b}, 0x01},
{0x99, {0x02}, 0x01},
{0x9a, {0xaf}, 0x01},
{0x9b, {0x02}, 0x01},
{0x9c, {0xdf}, 0x01},
{0x9d, {0x03}, 0x01},
{0x9e, {0x01}, 0x01},
{0x9f, {0x03}, 0x01},
{0xa0, {0x2c}, 0x01},
{0xa2, {0x03}, 0x01},
{0xa3, {0x39}, 0x01},
{0xa4, {0x03}, 0x01},
{0xa5, {0x47}, 0x01},
{0xa6, {0x03}, 0x01},
{0xa7, {0x56}, 0x01},
{0xa9, {0x03}, 0x01},
{0xaa, {0x66}, 0x01},
{0xab, {0x03}, 0x01},
{0xac, {0x76}, 0x01},
{0xad, {0x03}, 0x01},
{0xae, {0x85}, 0x01},
{0xaf, {0x03}, 0x01},
{0xb0, {0x90}, 0x01},
{0xb1, {0x03}, 0x01},
{0xb2, {0xcb}, 0x01},
{0xb3, {0x00}, 0x01},
{0xb4, {0xdf}, 0x01},
{0xb5, {0x00}, 0x01},
{0xb6, {0xe4}, 0x01},
{0xb7, {0x00}, 0x01},
{0xb8, {0xed}, 0x01},
{0xb9, {0x00}, 0x01},
{0xba, {0xf6}, 0x01},
{0xbb, {0x00}, 0x01},
{0xbc, {0xff}, 0x01},
{0xbd, {0x01}, 0x01},
{0xbe, {0x07}, 0x01},
{0xbf, {0x01}, 0x01},
{0xc0, {0x10}, 0x01},
{0xc1, {0x01}, 0x01},
{0xc2, {0x18}, 0x01},
{0xc3, {0x01}, 0x01},
{0xc4, {0x20}, 0x01},
{0xc5, {0x01}, 0x01},
{0xc6, {0x3d}, 0x01},
{0xc7, {0x01}, 0x01},
{0xc8, {0x56}, 0x01},
{0xc9, {0x01}, 0x01},
{0xca, {0x84}, 0x01},
{0xcb, {0x01}, 0x01},
{0xcc, {0xab}, 0x01},
{0xcd, {0x01}, 0x01},
{0xce, {0xec}, 0x01},
{0xcf, {0x02}, 0x01},
{0xd0, {0x22}, 0x01},
{0xd1, {0x02}, 0x01},
{0xd2, {0x23}, 0x01},
{0xd3, {0x02}, 0x01},
{0xd4, {0x55}, 0x01},
{0xd5, {0x02}, 0x01},
{0xd6, {0x8b}, 0x01},
{0xd7, {0x02}, 0x01},
{0xd8, {0xaf}, 0x01},
{0xd9, {0x02}, 0x01},
{0xda, {0xdf}, 0x01},
{0xdb, {0x03}, 0x01},
{0xdc, {0x01}, 0x01},
{0xdd, {0x03}, 0x01},
{0xde, {0x2c}, 0x01},
{0xdf, {0x03}, 0x01},
{0xe0, {0x39}, 0x01},
{0xe1, {0x03}, 0x01},
{0xe2, {0x47}, 0x01},
{0xe3, {0x03}, 0x01},
{0xe4, {0x56}, 0x01},
{0xe5, {0x03}, 0x01},
{0xe6, {0x66}, 0x01},
{0xe7, {0x03}, 0x01},
{0xe8, {0x76}, 0x01},
{0xe9, {0x03}, 0x01},
{0xea, {0x85}, 0x01},
{0xeb, {0x03}, 0x01},
{0xec, {0x90}, 0x01},
{0xed, {0x03}, 0x01},
{0xee, {0xcb}, 0x01},
{0xef, {0x00}, 0x01},
{0xf0, {0xbb}, 0x01},
{0xf1, {0x00}, 0x01},
{0xf2, {0xc0}, 0x01},
{0xf3, {0x00}, 0x01},
{0xf4, {0xcc}, 0x01},
{0xf5, {0x00}, 0x01},
{0xf6, {0xd6}, 0x01},
{0xf7, {0x00}, 0x01},
{0xf8, {0xe1}, 0x01},
{0xf9, {0x00}, 0x01},
{0xfa, {0xea}, 0x01},
/* Select CMD2 Page2 (Undocumented) */
{0xff, {0x02}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
{0x00, {0x00}, 0x01},
{0x01, {0xf4}, 0x01},
{0x02, {0x00}, 0x01},
{0x03, {0xef}, 0x01},
{0x04, {0x01}, 0x01},
{0x05, {0x07}, 0x01},
{0x06, {0x01}, 0x01},
{0x07, {0x28}, 0x01},
{0x08, {0x01}, 0x01},
{0x09, {0x44}, 0x01},
{0x0a, {0x01}, 0x01},
{0x0b, {0x76}, 0x01},
{0x0c, {0x01}, 0x01},
{0x0d, {0xa0}, 0x01},
{0x0e, {0x01}, 0x01},
{0x0f, {0xe7}, 0x01},
{0x10, {0x02}, 0x01},
{0x11, {0x1f}, 0x01},
{0x12, {0x02}, 0x01},
{0x13, {0x22}, 0x01},
{0x14, {0x02}, 0x01},
{0x15, {0x54}, 0x01},
{0x16, {0x02}, 0x01},
{0x17, {0x8b}, 0x01},
{0x18, {0x02}, 0x01},
{0x19, {0xaf}, 0x01},
{0x1a, {0x02}, 0x01},
{0x1b, {0xe0}, 0x01},
{0x1c, {0x03}, 0x01},
{0x1d, {0x01}, 0x01},
{0x1e, {0x03}, 0x01},
{0x1f, {0x2d}, 0x01},
{0x20, {0x03}, 0x01},
{0x21, {0x39}, 0x01},
{0x22, {0x03}, 0x01},
{0x23, {0x47}, 0x01},
{0x24, {0x03}, 0x01},
{0x25, {0x57}, 0x01},
{0x26, {0x03}, 0x01},
{0x27, {0x65}, 0x01},
{0x28, {0x03}, 0x01},
{0x29, {0x77}, 0x01},
{0x2a, {0x03}, 0x01},
{0x2b, {0x85}, 0x01},
{0x2d, {0x03}, 0x01},
{0x2f, {0x8f}, 0x01},
{0x30, {0x03}, 0x01},
{0x31, {0xcb}, 0x01},
{0x32, {0x00}, 0x01},
{0x33, {0xbb}, 0x01},
{0x34, {0x00}, 0x01},
{0x35, {0xc0}, 0x01},
{0x36, {0x00}, 0x01},
{0x37, {0xcc}, 0x01},
{0x38, {0x00}, 0x01},
{0x39, {0xd6}, 0x01},
{0x3a, {0x00}, 0x01},
{0x3b, {0xe1}, 0x01},
{0x3d, {0x00}, 0x01},
{0x3f, {0xea}, 0x01},
{0x40, {0x00}, 0x01},
{0x41, {0xf4}, 0x01},
{0x42, {0x00}, 0x01},
{0x43, {0xfe}, 0x01},
{0x44, {0x01}, 0x01},
{0x45, {0x07}, 0x01},
{0x46, {0x01}, 0x01},
{0x47, {0x28}, 0x01},
{0x48, {0x01}, 0x01},
{0x49, {0x44}, 0x01},
{0x4a, {0x01}, 0x01},
{0x4b, {0x76}, 0x01},
{0x4c, {0x01}, 0x01},
{0x4d, {0xa0}, 0x01},
{0x4e, {0x01}, 0x01},
{0x4f, {0xe7}, 0x01},
{0x50, {0x02}, 0x01},
{0x51, {0x1f}, 0x01},
{0x52, {0x02}, 0x01},
{0x53, {0x22}, 0x01},
{0x54, {0x02}, 0x01},
{0x55, {0x54}, 0x01},
{0x56, {0x02}, 0x01},
{0x58, {0x8b}, 0x01},
{0x59, {0x02}, 0x01},
{0x5a, {0xaf}, 0x01},
{0x5b, {0x02}, 0x01},
{0x5c, {0xe0}, 0x01},
{0x5d, {0x03}, 0x01},
{0x5e, {0x01}, 0x01},
{0x5f, {0x03}, 0x01},
{0x60, {0x2d}, 0x01},
{0x61, {0x03}, 0x01},
{0x62, {0x39}, 0x01},
{0x63, {0x03}, 0x01},
{0x64, {0x47}, 0x01},
{0x65, {0x03}, 0x01},
{0x66, {0x57}, 0x01},
{0x67, {0x03}, 0x01},
{0x68, {0x65}, 0x01},
{0x69, {0x03}, 0x01},
{0x6a, {0x77}, 0x01},
{0x6b, {0x03}, 0x01},
{0x6c, {0x85}, 0x01},
{0x6d, {0x03}, 0x01},
{0x6e, {0x8f}, 0x01},
{0x6f, {0x03}, 0x01},
{0x70, {0xcb}, 0x01},
{0x71, {0x00}, 0x01},
{0x72, {0x00}, 0x01},
{0x73, {0x00}, 0x01},
{0x74, {0x21}, 0x01},
{0x75, {0x00}, 0x01},
{0x76, {0x4c}, 0x01},
{0x77, {0x00}, 0x01},
{0x78, {0x6b}, 0x01},
{0x79, {0x00}, 0x01},
{0x7a, {0x85}, 0x01},
{0x7b, {0x00}, 0x01},
{0x7c, {0x9a}, 0x01},
{0x7d, {0x00}, 0x01},
{0x7e, {0xad}, 0x01},
{0x7f, {0x00}, 0x01},
{0x80, {0xbe}, 0x01},
{0x81, {0x00}, 0x01},
{0x82, {0xcd}, 0x01},
{0x83, {0x01}, 0x01},
{0x84, {0x01}, 0x01},
{0x85, {0x01}, 0x01},
{0x86, {0x29}, 0x01},
{0x87, {0x01}, 0x01},
{0x88, {0x68}, 0x01},
{0x89, {0x01}, 0x01},
{0x8a, {0x98}, 0x01},
{0x8b, {0x01}, 0x01},
{0x8c, {0xe5}, 0x01},
{0x8d, {0x02}, 0x01},
{0x8e, {0x1e}, 0x01},
{0x8f, {0x02}, 0x01},
{0x90, {0x30}, 0x01},
{0x91, {0x02}, 0x01},
{0x92, {0x52}, 0x01},
{0x93, {0x02}, 0x01},
{0x94, {0x88}, 0x01},
{0x95, {0x02}, 0x01},
{0x96, {0xaa}, 0x01},
{0x97, {0x02}, 0x01},
{0x98, {0xd7}, 0x01},
{0x99, {0x02}, 0x01},
{0x9a, {0xf7}, 0x01},
{0x9b, {0x03}, 0x01},
{0x9c, {0x21}, 0x01},
{0x9d, {0x03}, 0x01},
{0x9e, {0x2e}, 0x01},
{0x9f, {0x03}, 0x01},
{0xa0, {0x3d}, 0x01},
{0xa2, {0x03}, 0x01},
{0xa3, {0x4c}, 0x01},
{0xa4, {0x03}, 0x01},
{0xa5, {0x5e}, 0x01},
{0xa6, {0x03}, 0x01},
{0xa7, {0x71}, 0x01},
{0xa9, {0x03}, 0x01},
{0xaa, {0x86}, 0x01},
{0xab, {0x03}, 0x01},
{0xac, {0x94}, 0x01},
{0xad, {0x03}, 0x01},
{0xae, {0xfa}, 0x01},
{0xaf, {0x00}, 0x01},
{0xb0, {0x00}, 0x01},
{0xb1, {0x00}, 0x01},
{0xb2, {0x21}, 0x01},
{0xb3, {0x00}, 0x01},
{0xb4, {0x4c}, 0x01},
{0xb5, {0x00}, 0x01},
{0xb6, {0x6b}, 0x01},
{0xb7, {0x00}, 0x01},
{0xb8, {0x85}, 0x01},
{0xb9, {0x00}, 0x01},
{0xba, {0x9a}, 0x01},
{0xbb, {0x00}, 0x01},
{0xbc, {0xad}, 0x01},
{0xbd, {0x00}, 0x01},
{0xbe, {0xbe}, 0x01},
{0xbf, {0x00}, 0x01},
{0xc0, {0xcd}, 0x01},
{0xc1, {0x01}, 0x01},
{0xc2, {0x01}, 0x01},
{0xc3, {0x01}, 0x01},
{0xc4, {0x29}, 0x01},
{0xc5, {0x01}, 0x01},
{0xc6, {0x68}, 0x01},
{0xc7, {0x01}, 0x01},
{0xc8, {0x98}, 0x01},
{0xc9, {0x01}, 0x01},
{0xca, {0xe5}, 0x01},
{0xcb, {0x02}, 0x01},
{0xcc, {0x1e}, 0x01},
{0xcd, {0x02}, 0x01},
{0xce, {0x20}, 0x01},
{0xcf, {0x02}, 0x01},
{0xd0, {0x52}, 0x01},
{0xd1, {0x02}, 0x01},
{0xd2, {0x88}, 0x01},
{0xd3, {0x02}, 0x01},
{0xd4, {0xaa}, 0x01},
{0xd5, {0x02}, 0x01},
{0xd6, {0xd7}, 0x01},
{0xd7, {0x02}, 0x01},
{0xd8, {0xf7}, 0x01},
{0xd9, {0x03}, 0x01},
{0xda, {0x21}, 0x01},
{0xdb, {0x03}, 0x01},
{0xdc, {0x2e}, 0x01},
{0xdd, {0x03}, 0x01},
{0xde, {0x3d}, 0x01},
{0xdf, {0x03}, 0x01},
{0xe0, {0x4c}, 0x01},
{0xe1, {0x03}, 0x01},
{0xe2, {0x5e}, 0x01},
{0xe3, {0x03}, 0x01},
{0xe4, {0x71}, 0x01},
{0xe5, {0x03}, 0x01},
{0xe6, {0x86}, 0x01},
{0xe7, {0x03}, 0x01},
{0xe8, {0x94}, 0x01},
{0xe9, {0x03}, 0x01},
{0xea, {0xfa}, 0x01},
/* Select CMD2 Page0 (Undocumented) */
{0xff, {0x01}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
/* Select CMD2 Page1 (Undocumented) */
{0xff, {0x02}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
/* Select CMD2 Page3 (Undocumented) */
{0xff, {0x04}, 0x01},
/* Reload CMD1: Don't reload default value to register */
{0xfb, {0x01}, 0x01},
/* Select CMD1 */
{0xff, {0x00}, 0x01},
{0xd3, {0x22}, 0x01}, /* RGBMIPICTRL: VSYNC back porch = 34 */
{0xd4, {0x04}, 0x01}, /* RGBMIPICTRL: VSYNC front porch = 4 */
};
static struct khadas_ts050_panel_data ts050_panel_data = {
.init_code = (struct khadas_ts050_panel_cmd *)ts050_init_code,
.len = ARRAY_SIZE(ts050_init_code)
};
static struct khadas_ts050_panel_data ts050v2_panel_data = {
.init_code = (struct khadas_ts050_panel_cmd *)ts050v2_init_code,
.len = ARRAY_SIZE(ts050v2_init_code)
};
static inline
struct khadas_ts050_panel *to_khadas_ts050_panel(struct drm_panel *panel)
{
return container_of(panel, struct khadas_ts050_panel, base);
}
static int khadas_ts050_panel_prepare(struct drm_panel *panel)
{
struct khadas_ts050_panel *khadas_ts050 = to_khadas_ts050_panel(panel);
unsigned int i;
int err;
gpiod_set_value_cansleep(khadas_ts050->enable_gpio, 0);
err = regulator_enable(khadas_ts050->supply);
if (err < 0)
return err;
gpiod_set_value_cansleep(khadas_ts050->enable_gpio, 1);
msleep(60);
gpiod_set_value_cansleep(khadas_ts050->reset_gpio, 1);
usleep_range(10000, 11000);
gpiod_set_value_cansleep(khadas_ts050->reset_gpio, 0);
/* Select CMD2 page 4 (Undocumented) */
mipi_dsi_dcs_write(khadas_ts050->link, 0xff, (u8[]){ 0x05 }, 1);
/* Reload CMD1: Don't reload default value to register */
mipi_dsi_dcs_write(khadas_ts050->link, 0xfb, (u8[]){ 0x01 }, 1);
mipi_dsi_dcs_write(khadas_ts050->link, 0xc5, (u8[]){ 0x01 }, 1);
msleep(100);
for (i = 0; i < khadas_ts050->panel_data->len; i++) {
err = mipi_dsi_dcs_write(khadas_ts050->link,
khadas_ts050->panel_data->init_code[i].cmd,
&khadas_ts050->panel_data->init_code[i].data,
khadas_ts050->panel_data->init_code[i].size);
if (err < 0) {
dev_err(panel->dev, "failed write cmds: %d\n", err);
goto poweroff;
}
}
err = mipi_dsi_dcs_exit_sleep_mode(khadas_ts050->link);
if (err < 0) {
dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
goto poweroff;
}
msleep(120);
/* Select CMD1 */
mipi_dsi_dcs_write(khadas_ts050->link, 0xff, (u8[]){ 0x00 }, 1);
err = mipi_dsi_dcs_set_tear_on(khadas_ts050->link,
MIPI_DSI_DCS_TEAR_MODE_VBLANK);
if (err < 0) {
dev_err(panel->dev, "failed to set tear on: %d\n", err);
goto poweroff;
}
err = mipi_dsi_dcs_set_display_on(khadas_ts050->link);
if (err < 0) {
dev_err(panel->dev, "failed to set display on: %d\n", err);
goto poweroff;
}
usleep_range(10000, 11000);
return 0;
poweroff:
gpiod_set_value_cansleep(khadas_ts050->enable_gpio, 0);
gpiod_set_value_cansleep(khadas_ts050->reset_gpio, 1);
regulator_disable(khadas_ts050->supply);
return err;
}
static int khadas_ts050_panel_unprepare(struct drm_panel *panel)
{
struct khadas_ts050_panel *khadas_ts050 = to_khadas_ts050_panel(panel);
int err;
err = mipi_dsi_dcs_enter_sleep_mode(khadas_ts050->link);
if (err < 0)
dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
msleep(150);
gpiod_set_value_cansleep(khadas_ts050->enable_gpio, 0);
gpiod_set_value_cansleep(khadas_ts050->reset_gpio, 1);
err = regulator_disable(khadas_ts050->supply);
if (err < 0)
return err;
return 0;
}
static int khadas_ts050_panel_disable(struct drm_panel *panel)
{
struct khadas_ts050_panel *khadas_ts050 = to_khadas_ts050_panel(panel);
int err;
err = mipi_dsi_dcs_set_display_off(khadas_ts050->link);
if (err < 0)
dev_err(panel->dev, "failed to set display off: %d\n", err);
usleep_range(10000, 11000);
return 0;
}
static const struct drm_display_mode default_mode = {
.clock = 160000,
.hdisplay = 1080,
.hsync_start = 1080 + 117,
.hsync_end = 1080 + 117 + 5,
.htotal = 1080 + 117 + 5 + 160,
.vdisplay = 1920,
.vsync_start = 1920 + 4,
.vsync_end = 1920 + 4 + 3,
.vtotal = 1920 + 4 + 3 + 31,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};
static int khadas_ts050_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, &default_mode);
if (!mode) {
dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
default_mode.hdisplay, default_mode.vdisplay,
drm_mode_vrefresh(&default_mode));
return -ENOMEM;
}
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
connector->display_info.width_mm = 64;
connector->display_info.height_mm = 118;
connector->display_info.bpc = 8;
return 1;
}
static const struct drm_panel_funcs khadas_ts050_panel_funcs = {
.prepare = khadas_ts050_panel_prepare,
.unprepare = khadas_ts050_panel_unprepare,
.disable = khadas_ts050_panel_disable,
.get_modes = khadas_ts050_panel_get_modes,
};
static const struct of_device_id khadas_ts050_of_match[] = {
{ .compatible = "khadas,ts050", .data = &ts050_panel_data, },
{ .compatible = "khadas,ts050v2", .data = &ts050v2_panel_data, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, khadas_ts050_of_match);
static int khadas_ts050_panel_add(struct khadas_ts050_panel *khadas_ts050)
{
struct device *dev = &khadas_ts050->link->dev;
int err;
khadas_ts050->supply = devm_regulator_get(dev, "power");
if (IS_ERR(khadas_ts050->supply))
return dev_err_probe(dev, PTR_ERR(khadas_ts050->supply),
"failed to get power supply");
khadas_ts050->reset_gpio = devm_gpiod_get(dev, "reset",
GPIOD_OUT_LOW);
if (IS_ERR(khadas_ts050->reset_gpio))
return dev_err_probe(dev, PTR_ERR(khadas_ts050->reset_gpio),
"failed to get reset gpio");
khadas_ts050->enable_gpio = devm_gpiod_get(dev, "enable",
GPIOD_OUT_HIGH);
if (IS_ERR(khadas_ts050->enable_gpio))
return dev_err_probe(dev, PTR_ERR(khadas_ts050->enable_gpio),
"failed to get enable gpio");
err = drm_panel_of_backlight(&khadas_ts050->base);
if (err)
return err;
drm_panel_add(&khadas_ts050->base);
return 0;
}
static int khadas_ts050_panel_probe(struct mipi_dsi_device *dsi)
{
struct khadas_ts050_panel *khadas_ts050;
int err;
const void *data = of_device_get_match_data(&dsi->dev);
if (!data) {
dev_err(&dsi->dev, "No matching data\n");
return -ENODEV;
}
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
khadas_ts050 = devm_drm_panel_alloc(&dsi->dev, __typeof(*khadas_ts050),
base, &khadas_ts050_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
if (IS_ERR(khadas_ts050))
return PTR_ERR(khadas_ts050);
khadas_ts050->panel_data = (struct khadas_ts050_panel_data *)data;
mipi_dsi_set_drvdata(dsi, khadas_ts050);
khadas_ts050->link = dsi;
err = khadas_ts050_panel_add(khadas_ts050);
if (err < 0)
return err;
err = mipi_dsi_attach(dsi);
if (err)
drm_panel_remove(&khadas_ts050->base);
return err;
}
static void khadas_ts050_panel_remove(struct mipi_dsi_device *dsi)
{
struct khadas_ts050_panel *khadas_ts050 = mipi_dsi_get_drvdata(dsi);
int err;
err = mipi_dsi_detach(dsi);
if (err < 0)
dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
drm_panel_remove(&khadas_ts050->base);
}
static struct mipi_dsi_driver khadas_ts050_panel_driver = {
.driver = {
.name = "panel-khadas-ts050",
.of_match_table = khadas_ts050_of_match,
},
.probe = khadas_ts050_panel_probe,
.remove = khadas_ts050_panel_remove,
};
module_mipi_dsi_driver(khadas_ts050_panel_driver);
MODULE_AUTHOR("Neil Armstrong <narmstrong@baylibre.com>");
MODULE_DESCRIPTION("Khadas TS050 panel driver");
MODULE_LICENSE("GPL v2");
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