| Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include "sde_kms.h" |
| 14 | |
| 15 | struct sde_plane { |
| 16 | struct drm_plane base; |
| 17 | const char *name; |
| 18 | uint32_t nformats; |
| 19 | uint32_t formats[32]; |
| 20 | }; |
| 21 | #define to_sde_plane(x) container_of(x, struct sde_plane, base) |
| 22 | |
| 23 | static int sde_plane_update(struct drm_plane *plane, |
| 24 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 25 | int crtc_x, int crtc_y, |
| 26 | unsigned int crtc_w, unsigned int crtc_h, |
| 27 | uint32_t src_x, uint32_t src_y, |
| 28 | uint32_t src_w, uint32_t src_h) |
| 29 | { |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | static int sde_plane_disable(struct drm_plane *plane) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | static void sde_plane_destroy(struct drm_plane *plane) |
| 39 | { |
| 40 | struct sde_plane *sde_plane = to_sde_plane(plane); |
| 41 | struct msm_drm_private *priv = plane->dev->dev_private; |
| 42 | |
| 43 | if (priv->kms) |
| 44 | sde_plane_disable(plane); |
| 45 | |
| 46 | drm_plane_cleanup(plane); |
| 47 | |
| 48 | kfree(sde_plane); |
| 49 | } |
| 50 | |
| 51 | /* helper to install properties which are common to planes and crtcs */ |
| 52 | void sde_plane_install_properties(struct drm_plane *plane, |
| 53 | struct drm_mode_object *obj) |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | int sde_plane_set_property(struct drm_plane *plane, |
| 58 | struct drm_property *property, uint64_t val) |
| 59 | { |
| 60 | return -EINVAL; |
| 61 | } |
| 62 | |
| 63 | static const struct drm_plane_funcs sde_plane_funcs = { |
| 64 | .update_plane = sde_plane_update, |
| 65 | .disable_plane = sde_plane_disable, |
| 66 | .destroy = sde_plane_destroy, |
| 67 | .set_property = sde_plane_set_property, |
| 68 | }; |
| 69 | |
| 70 | void sde_plane_set_scanout(struct drm_plane *plane, |
| 71 | struct drm_framebuffer *fb) |
| 72 | { |
| 73 | } |
| 74 | |
| 75 | int sde_plane_mode_set(struct drm_plane *plane, |
| 76 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 77 | int crtc_x, int crtc_y, |
| 78 | unsigned int crtc_w, unsigned int crtc_h, |
| 79 | uint32_t src_x, uint32_t src_y, |
| 80 | uint32_t src_w, uint32_t src_h) |
| 81 | { |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | /* initialize plane */ |
| 86 | struct drm_plane *sde_plane_init(struct drm_device *dev, bool private_plane) |
| 87 | { |
| 88 | struct drm_plane *plane = NULL; |
| 89 | struct sde_plane *sde_plane; |
| 90 | int ret; |
| 91 | enum drm_plane_type type; |
| 92 | |
| 93 | sde_plane = kzalloc(sizeof(*sde_plane), GFP_KERNEL); |
| 94 | if (!sde_plane) { |
| 95 | ret = -ENOMEM; |
| 96 | goto fail; |
| 97 | } |
| 98 | |
| 99 | plane = &sde_plane->base; |
| 100 | |
| 101 | type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; |
| 102 | drm_universal_plane_init(dev, plane, 0xff, &sde_plane_funcs, |
| 103 | sde_plane->formats, sde_plane->nformats, |
| 104 | type); |
| 105 | |
| 106 | sde_plane_install_properties(plane, &plane->base); |
| 107 | |
| 108 | return plane; |
| 109 | |
| 110 | fail: |
| 111 | if (plane) |
| 112 | sde_plane_destroy(plane); |
| 113 | |
| 114 | return ERR_PTR(ret); |
| 115 | } |