LXR linux/drivers/gpu/drm/tidss/tidss

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
   4 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
   5 */
   6
   7#ifndef __TIDSS_DRV_H__
   8#define __TIDSS_DRV_H__
   9
  10#include <linux/spinlock.h>
  11
  12#define TIDSS_MAX_PORTS 4
  13#define TIDSS_MAX_PLANES 4
  14
  15typedef u32 dispc_irq_t;
  16
  17struct tidss_device {
  18        struct drm_device ddev;         /* DRM device for DSS */
  19        struct device *dev;             /* Underlying DSS device */
  20
  21        const struct dispc_features *feat;
  22        struct dispc_device *dispc;
  23
  24        unsigned int num_crtcs;
  25        struct drm_crtc *crtcs[TIDSS_MAX_PORTS];
  26
  27        unsigned int num_planes;
  28        struct drm_plane *planes[TIDSS_MAX_PLANES];
  29
  30        unsigned int irq;
  31
  32        spinlock_t wait_lock;   /* protects the irq masks */
  33        dispc_irq_t irq_mask;   /* enabled irqs in addition to wait_list */
  34};
  35
  36#define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)
  37
  38int tidss_runtime_get(struct tidss_device *tidss);
  39void tidss_runtime_put(struct tidss_device *tidss);
  40
  41#endif
  42