/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) STMicroelectronics SA 2014 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> * Fabien Dessenne <fabien.dessenne@st.com> * for STMicroelectronics. */ #ifndef _STI_COMPOSITOR_H_ #define _STI_COMPOSITOR_H_ #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 { STI_MIXER_MAIN_SUBDEV, STI_MIXER_AUX_SUBDEV, STI_GPD_SUBDEV, STI_VID_SUBDEV, STI_CURSOR_SUBDEV, }; 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]; }; int sti_compositor_debugfs_init(struct sti_compositor *compo, struct drm_minor *minor); #endif