drivers/gpu/drm/zte/zx_vou.h

   1 /*
   2  * Copyright 2016 Linaro Ltd.
   3  * Copyright 2016 ZTE Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  */
  10
  11 #ifndef __ZX_VOU_H__
  12 #define __ZX_VOU_H__
  13
  14 #define VOU_CRTC_MASK           0x3
  15
  16 /* VOU output interfaces */
  17 enum vou_inf_id {
  18         VOU_HDMI        = 0,
  19         VOU_RGB_LCD     = 1,
  20         VOU_TV_ENC      = 2,
  21         VOU_MIPI_DSI    = 3,
  22         VOU_LVDS        = 4,
  23         VOU_VGA         = 5,
  24 };
  25
  26 enum vou_inf_hdmi_audio {
  27         VOU_HDMI_AUD_SPDIF      = BIT(0),
  28         VOU_HDMI_AUD_I2S        = BIT(1),
  29         VOU_HDMI_AUD_DSD        = BIT(2),
  30         VOU_HDMI_AUD_HBR        = BIT(3),
  31         VOU_HDMI_AUD_PARALLEL   = BIT(4),
  32 };
  33
  34 void vou_inf_hdmi_audio_sel(struct drm_crtc *crtc,
  35                             enum vou_inf_hdmi_audio aud);
  36 void vou_inf_enable(enum vou_inf_id id, struct drm_crtc *crtc);
  37 void vou_inf_disable(enum vou_inf_id id, struct drm_crtc *crtc);
  38
  39 enum vou_div_id {
  40         VOU_DIV_VGA,
  41         VOU_DIV_PIC,
  42         VOU_DIV_TVENC,
  43         VOU_DIV_HDMI_PNX,
  44         VOU_DIV_HDMI,
  45         VOU_DIV_INF,
  46         VOU_DIV_LAYER,
  47 };
  48
  49 enum vou_div_val {
  50         VOU_DIV_1 = 0,
  51         VOU_DIV_2 = 1,
  52         VOU_DIV_4 = 3,
  53         VOU_DIV_8 = 7,
  54 };
  55
  56 struct vou_div_config {
  57         enum vou_div_id id;
  58         enum vou_div_val val;
  59 };
  60
  61 void zx_vou_config_dividers(struct drm_crtc *crtc,
  62                             struct vou_div_config *configs, int num);
  63
  64 void zx_vou_layer_enable(struct drm_plane *plane);
  65 void zx_vou_layer_disable(struct drm_plane *plane,
  66                           struct drm_plane_state *old_state);
  67
  68 #endif /* __ZX_VOU_H__ */