121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/* $OpenBSD: dwhdmi.h,v 1.4 2020/06/30 02:19:12 deraadt Exp $ */
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/* $NetBSD: dw_hdmi.h,v 1.6 2019/12/22 23:23:32 thorpej Exp $ */
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/*-
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* Copyright (c) 2019 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DEV_IC_DWHDMI_H
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#define _DEV_IC_DWHDMI_H
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#include <dev/i2c/i2cvar.h>
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#ifdef notyet
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#include <dev/audio/audio_dai.h>
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#endif
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#include <drm/drm_connector.h>
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#include <drm/drm_bridge.h>
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struct dwhdmi_softc;
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struct dwhdmi_connector {
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struct drm_connector base;
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struct dwhdmi_softc *sc;
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int hdmi_monitor;
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int monitor_audio;
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};
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struct dwhdmi_phy_config {
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u_int pixel_clock;
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uint32_t sym;
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uint32_t term;
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uint32_t vlev;
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};
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struct dwhdmi_mpll_config {
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u_int pixel_clock;
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uint32_t cpce;
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uint32_t gmp;
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uint32_t curr;
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};
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struct dwhdmi_softc {
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struct device sc_dev;
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bus_space_tag_t sc_bst;
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bus_space_handle_t sc_bsh;
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u_int sc_reg_width;
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u_int sc_flags;
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#define DWHDMI_USE_INTERNAL_PHY (1 << 0)
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u_int sc_scl_hcnt;
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u_int sc_scl_lcnt;
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u_int sc_phytype;
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u_int sc_version;
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i2c_tag_t sc_ic;
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struct i2c_controller sc_ic_builtin;
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#ifdef notyet
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struct audio_dai_device sc_dai;
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uint8_t sc_swvol;
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#endif
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struct dwhdmi_connector sc_connector;
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struct drm_bridge sc_bridge;
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struct drm_display_mode sc_curmode;
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const struct dwhdmi_mpll_config *sc_mpll_config;
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const struct dwhdmi_phy_config *sc_phy_config;
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enum drm_connector_status (*sc_detect)(struct dwhdmi_softc *, int);
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void (*sc_enable)(struct dwhdmi_softc *);
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void (*sc_disable)(struct dwhdmi_softc *);
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void (*sc_mode_set)(struct dwhdmi_softc *,
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const struct drm_display_mode *,
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const struct drm_display_mode *);
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enum drm_mode_status (*sc_mode_valid)(struct dwhdmi_softc *,
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const struct drm_display_mode *);
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};
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#define to_dwhdmi_connector(x) container_of(x, struct dwhdmi_connector, base)
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int dwhdmi_attach(struct dwhdmi_softc *);
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int dwhdmi_bind(struct dwhdmi_softc *, struct drm_encoder *);
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uint8_t dwhdmi_read(struct dwhdmi_softc *, bus_size_t);
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void dwhdmi_write(struct dwhdmi_softc *, bus_size_t, uint8_t);
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enum drm_connector_status dwhdmi_phy_detect(struct dwhdmi_softc *, int);
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void dwhdmi_phy_enable(struct dwhdmi_softc *);
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void dwhdmi_phy_disable(struct dwhdmi_softc *);
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void dwhdmi_phy_mode_set(struct dwhdmi_softc *,
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const struct drm_display_mode *,
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const struct drm_display_mode *);
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#endif /* !_DEV_IC_DWHDMI_H */
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