blob: 25bb01bdd013f897faa4ffd151d3522fc362587b [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
* Copyright (C) STMicroelectronics SA 2014
* Authors: Benjamin Gaignard <>
* Fabien Dessenne <>
* for STMicroelectronics.
#include <linux/clk.h>
#include <linux/kernel.h>
#include "sti_mixer.h"
#include "sti_plane.h"
#define WAIT_NEXT_VSYNC_MS 50 /*ms*/
#define STI_MAX_MIXER 2
#define STI_MAX_VID 1
enum sti_compositor_subdev_type {
struct sti_compositor_subdev_descriptor {
enum sti_compositor_subdev_type type;
int id;
unsigned int offset;
* STI Compositor data structure
* @nb_subdev: number of subdevices supported by the compositor
* @subdev_desc: subdev list description
#define MAX_SUBDEV 9
struct sti_compositor_data {
unsigned int nb_subdev;
struct sti_compositor_subdev_descriptor subdev_desc[MAX_SUBDEV];
* STI Compositor structure
* @dev: driver device
* @regs: registers (main)
* @data: device data
* @clk_compo_main: clock for main compo
* @clk_compo_aux: clock for aux compo
* @clk_pix_main: pixel clock for main path
* @clk_pix_aux: pixel clock for aux path
* @rst_main: reset control of the main path
* @rst_aux: reset control of the aux path
* @mixer: array of mixers
* @vid: array of vids
* @vtg: array of vtgs
* @vtg_vblank_nb: array of callbacks for VTG VSYNC notification
struct sti_compositor {
struct device *dev;
void __iomem *regs;
struct sti_compositor_data data;
struct clk *clk_compo_main;
struct clk *clk_compo_aux;
struct clk *clk_pix_main;
struct clk *clk_pix_aux;
struct reset_control *rst_main;
struct reset_control *rst_aux;
struct sti_mixer *mixer[STI_MAX_MIXER];
struct sti_vid *vid[STI_MAX_VID];
struct sti_vtg *vtg[STI_MAX_MIXER];
struct notifier_block vtg_vblank_nb[STI_MAX_MIXER];
void sti_compositor_debugfs_init(struct sti_compositor *compo,
struct drm_minor *minor);