2 * Copyright (C) STMicroelectronics SA 2014
3 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
4 * Fabien Dessenne <fabien.dessenne@st.com>
5 * for STMicroelectronics.
6 * License terms: GNU General Public License (GPL), version 2
9 #ifndef _STI_COMPOSITOR_H_
10 #define _STI_COMPOSITOR_H_
12 #include <linux/clk.h>
13 #include <linux/kernel.h>
15 #include "sti_mixer.h"
16 #include "sti_plane.h"
18 #define WAIT_NEXT_VSYNC_MS 50 /*ms*/
20 #define STI_MAX_MIXER 2
23 enum sti_compositor_subdev_type {
24 STI_MIXER_MAIN_SUBDEV,
31 struct sti_compositor_subdev_descriptor {
32 enum sti_compositor_subdev_type type;
38 * STI Compositor data structure
40 * @nb_subdev: number of subdevices supported by the compositor
41 * @subdev_desc: subdev list description
44 struct sti_compositor_data {
45 unsigned int nb_subdev;
46 struct sti_compositor_subdev_descriptor subdev_desc[MAX_SUBDEV];
50 * STI Compositor structure
53 * @regs: registers (main)
55 * @clk_compo_main: clock for main compo
56 * @clk_compo_aux: clock for aux compo
57 * @clk_pix_main: pixel clock for main path
58 * @clk_pix_aux: pixel clock for aux path
59 * @rst_main: reset control of the main path
60 * @rst_aux: reset control of the aux path
61 * @mixer: array of mixers
63 * @vtg_main: vtg for main data path
64 * @vtg_aux: vtg for auxillary data path
65 * @vtg_vblank_nb: callback for VTG VSYNC notification
67 struct sti_compositor {
70 struct sti_compositor_data data;
71 struct clk *clk_compo_main;
72 struct clk *clk_compo_aux;
73 struct clk *clk_pix_main;
74 struct clk *clk_pix_aux;
75 struct reset_control *rst_main;
76 struct reset_control *rst_aux;
77 struct sti_mixer *mixer[STI_MAX_MIXER];
78 struct sti_vid *vid[STI_MAX_VID];
79 struct sti_vtg *vtg_main;
80 struct sti_vtg *vtg_aux;
81 struct notifier_block vtg_vblank_nb;