Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) STMicroelectronics SA 2017
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Authors: Philippe Cornu <philippe.cornu@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *          Yannick Fertre <yannick.fertre@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *          Fabien Dessenne <fabien.dessenne@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *          Mickael Reulier <mickael.reulier@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/component.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <drm/drm_atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <drm/drm_atomic_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <drm/drm_drv.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <drm/drm_fb_cma_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <drm/drm_fb_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <drm/drm_gem_cma_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <drm/drm_gem_framebuffer_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <drm/drm_probe_helper.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <drm/drm_vblank.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include "ltdc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define STM_MAX_FB_WIDTH	2048
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define STM_MAX_FB_HEIGHT	2048 /* same as width to handle orientation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static const struct drm_mode_config_funcs drv_mode_config_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	.fb_create = drm_gem_fb_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	.atomic_check = drm_atomic_helper_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	.atomic_commit = drm_atomic_helper_commit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int stm_gem_cma_dumb_create(struct drm_file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 				   struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 				   struct drm_mode_create_dumb *args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	 * in order to optimize data transfer, pitch is aligned on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	 * 128 bytes, height is aligned on 4 bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	args->pitch = roundup(min_pitch, 128);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	args->height = roundup(args->height, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	return drm_gem_cma_dumb_create_internal(file, dev, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) DEFINE_DRM_GEM_CMA_FOPS(drv_driver_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static struct drm_driver drv_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	.name = "stm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	.desc = "STMicroelectronics SoC DRM",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	.date = "20170330",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	.major = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	.minor = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	.patchlevel = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	.fops = &drv_driver_fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(stm_gem_cma_dumb_create),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) static int drv_load(struct drm_device *ddev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct platform_device *pdev = to_platform_device(ddev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	struct ltdc_device *ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	DRM_DEBUG("%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	ldev = devm_kzalloc(ddev->dev, sizeof(*ldev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	if (!ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	ddev->dev_private = (void *)ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	ret = drmm_mode_config_init(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	 * set max width and height as default value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	 * this value would be used to check framebuffer size limitation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	 * at drm_mode_addfb().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	ddev->mode_config.min_width = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	ddev->mode_config.min_height = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	ddev->mode_config.max_width = STM_MAX_FB_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	ddev->mode_config.max_height = STM_MAX_FB_HEIGHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	ddev->mode_config.funcs = &drv_mode_config_funcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	ret = ltdc_load(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	drm_mode_config_reset(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	drm_kms_helper_poll_init(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	platform_set_drvdata(pdev, ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static void drv_unload(struct drm_device *ddev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	DRM_DEBUG("%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	drm_kms_helper_poll_fini(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	ltdc_unload(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static __maybe_unused int drv_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	struct drm_device *ddev = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct ltdc_device *ldev = ddev->dev_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	struct drm_atomic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	WARN_ON(ldev->suspend_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	state = drm_atomic_helper_suspend(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (IS_ERR(state))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		return PTR_ERR(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	ldev->suspend_state = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	pm_runtime_force_suspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static __maybe_unused int drv_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	struct drm_device *ddev = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	struct ltdc_device *ldev = ddev->dev_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (WARN_ON(!ldev->suspend_state))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	pm_runtime_force_resume(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	ret = drm_atomic_helper_resume(ddev, ldev->suspend_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		pm_runtime_force_suspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	ldev->suspend_state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static __maybe_unused int drv_runtime_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	struct drm_device *ddev = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	DRM_DEBUG_DRIVER("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	ltdc_suspend(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static __maybe_unused int drv_runtime_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct drm_device *ddev = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	DRM_DEBUG_DRIVER("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	return ltdc_resume(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static const struct dev_pm_ops drv_pm_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	SET_SYSTEM_SLEEP_PM_OPS(drv_suspend, drv_resume)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	SET_RUNTIME_PM_OPS(drv_runtime_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 			   drv_runtime_resume, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int stm_drm_platform_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	struct drm_device *ddev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	DRM_DEBUG("%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	ddev = drm_dev_alloc(&drv_driver, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (IS_ERR(ddev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return PTR_ERR(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	ret = drv_load(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		goto err_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	ret = drm_dev_register(ddev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		goto err_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	drm_fbdev_generic_setup(ddev, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) err_put:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	drm_dev_put(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static int stm_drm_platform_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct drm_device *ddev = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	DRM_DEBUG("%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	drm_dev_unregister(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	drv_unload(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	drm_dev_put(ddev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static const struct of_device_id drv_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	{ .compatible = "st,stm32-ltdc"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	{ /* end node */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) MODULE_DEVICE_TABLE(of, drv_dt_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static struct platform_driver stm_drm_platform_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	.probe = stm_drm_platform_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	.remove = stm_drm_platform_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		.name = "stm32-display",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		.of_match_table = drv_dt_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		.pm = &drv_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) module_platform_driver(stm_drm_platform_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) MODULE_AUTHOR("Philippe Cornu <philippe.cornu@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) MODULE_AUTHOR("Yannick Fertre <yannick.fertre@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) MODULE_AUTHOR("Fabien Dessenne <fabien.dessenne@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) MODULE_AUTHOR("Mickael Reulier <mickael.reulier@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) MODULE_DESCRIPTION("STMicroelectronics ST DRM LTDC driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) MODULE_LICENSE("GPL v2");