// SPDX-License-Identifier: GPL-2.0 /* Copyright 2018 Marty E. Plummer <[email protected]> */ /* Copyright 2019 Linaro, Ltd., Rob Herring <[email protected]> */ /* Copyright 2019 Collabora ltd. */ #include <linux/module.h> #include <linux/of.h> #include <linux/pagemap.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <drm/panfrost_drm.h> #include <drm/drm_drv.h> #include <drm/drm_ioctl.h> #include <drm/drm_syncobj.h> #include <drm/drm_utils.h> #include "panfrost_device.h" #include "panfrost_gem.h" #include "panfrost_mmu.h" #include "panfrost_job.h" #include "panfrost_gpu.h" #include "panfrost_perfcnt.h" static bool unstable_ioctls; module_param_unsafe(unstable_ioctls, bool, 0600); static int panfrost_ioctl_get_param(struct drm_device *ddev, void *data, struct drm_file *file) { … } static int panfrost_ioctl_create_bo(struct drm_device *dev, void *data, struct drm_file *file) { … } /** * panfrost_lookup_bos() - Sets up job->bo[] with the GEM objects * referenced by the job. * @dev: DRM device * @file_priv: DRM file for this fd * @args: IOCTL args * @job: job being set up * * Resolve handles from userspace to BOs and attach them to job. * * Note that this function doesn't need to unreference the BOs on * failure, because that will happen at panfrost_job_cleanup() time. */ static int panfrost_lookup_bos(struct drm_device *dev, struct drm_file *file_priv, struct drm_panfrost_submit *args, struct panfrost_job *job) { … } /** * panfrost_copy_in_sync() - Sets up job->deps with the sync objects * referenced by the job. * @dev: DRM device * @file_priv: DRM file for this fd * @args: IOCTL args * @job: job being set up * * Resolve syncobjs from userspace to fences and attach them to job. * * Note that this function doesn't need to unreference the fences on * failure, because that will happen at panfrost_job_cleanup() time. */ static int panfrost_copy_in_sync(struct drm_device *dev, struct drm_file *file_priv, struct drm_panfrost_submit *args, struct panfrost_job *job) { … } static int panfrost_ioctl_submit(struct drm_device *dev, void *data, struct drm_file *file) { … } static int panfrost_ioctl_wait_bo(struct drm_device *dev, void *data, struct drm_file *file_priv) { … } static int panfrost_ioctl_mmap_bo(struct drm_device *dev, void *data, struct drm_file *file_priv) { … } static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data, struct drm_file *file_priv) { … } static int panfrost_ioctl_madvise(struct drm_device *dev, void *data, struct drm_file *file_priv) { … } int panfrost_unstable_ioctl_check(void) { … } static int panfrost_open(struct drm_device *dev, struct drm_file *file) { … } static void panfrost_postclose(struct drm_device *dev, struct drm_file *file) { … } static const struct drm_ioctl_desc panfrost_drm_driver_ioctls[] = …; static void panfrost_gpu_show_fdinfo(struct panfrost_device *pfdev, struct panfrost_file_priv *panfrost_priv, struct drm_printer *p) { … } static void panfrost_show_fdinfo(struct drm_printer *p, struct drm_file *file) { … } static const struct file_operations panfrost_drm_driver_fops = …; /* * Panfrost driver version: * - 1.0 - initial interface * - 1.1 - adds HEAP and NOEXEC flags for CREATE_BO * - 1.2 - adds AFBC_FEATURES query */ static const struct drm_driver panfrost_drm_driver = …; static int panfrost_probe(struct platform_device *pdev) { … } static void panfrost_remove(struct platform_device *pdev) { … } static ssize_t profiling_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t profiling_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static DEVICE_ATTR_RW(profiling); static struct attribute *panfrost_attrs[] = …; ATTRIBUTE_GROUPS(…); /* * The OPP core wants the supply names to be NULL terminated, but we need the * correct num_supplies value for regulator core. Hence, we NULL terminate here * and then initialize num_supplies with ARRAY_SIZE - 1. */ static const char * const default_supplies[] = …; static const struct panfrost_compatible default_data = …; static const struct panfrost_compatible amlogic_data = …; /* * The old data with two power supplies for MT8183 is here only to * keep retro-compatibility with older devicetrees, as DVFS will * not work with this one. * * On new devicetrees please use the _b variant with a single and * coupled regulators instead. */ static const char * const mediatek_mt8183_supplies[] = …; static const char * const mediatek_mt8183_pm_domains[] = …; static const struct panfrost_compatible mediatek_mt8183_data = …; static const char * const mediatek_mt8183_b_supplies[] = …; static const struct panfrost_compatible mediatek_mt8183_b_data = …; static const char * const mediatek_mt8186_pm_domains[] = …; static const struct panfrost_compatible mediatek_mt8186_data = …; /* MT8188 uses the same power domains and power supplies as MT8183 */ static const struct panfrost_compatible mediatek_mt8188_data = …; static const char * const mediatek_mt8192_supplies[] = …; static const char * const mediatek_mt8192_pm_domains[] = …; static const struct panfrost_compatible mediatek_mt8192_data = …; static const struct of_device_id dt_match[] = …; MODULE_DEVICE_TABLE(of, dt_match); static struct platform_driver panfrost_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_SOFTDEP(…) …;
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