linux/drivers/gpu/drm/sti/sti_hdmi.h
Sam Ravnborg 5e2f97a93f drm/sti: drop use of drmP.h
Stop using the deprecated drmP.h header file.
Replaced with relevant forwards or headers files.
Header files sorted in all files touched.

Build tested with allyesconfig, allmodconfig for a number of
architectures.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605134835.25112-2-sam@ravnborg.org
2019-06-06 17:11:26 +02:00

120 lines
3.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) STMicroelectronics SA 2014
* Author: Vincent Abriou <vincent.abriou@st.com> for STMicroelectronics.
*/
#ifndef _STI_HDMI_H_
#define _STI_HDMI_H_
#include <linux/hdmi.h>
#include <linux/platform_device.h>
#include <media/cec-notifier.h>
#include <drm/drm_modes.h>
#include <drm/drm_property.h>
#define HDMI_STA 0x0010
#define HDMI_STA_DLL_LCK BIT(5)
#define HDMI_STA_HOT_PLUG BIT(4)
struct sti_hdmi;
struct hdmi_phy_ops {
bool (*start)(struct sti_hdmi *hdmi);
void (*stop)(struct sti_hdmi *hdmi);
};
struct hdmi_audio_params {
bool enabled;
unsigned int sample_width;
unsigned int sample_rate;
struct hdmi_audio_infoframe cea;
};
static const struct drm_prop_enum_list colorspace_mode_names[] = {
{ HDMI_COLORSPACE_RGB, "rgb" },
{ HDMI_COLORSPACE_YUV422, "yuv422" },
{ HDMI_COLORSPACE_YUV444, "yuv444" },
};
#define DEFAULT_COLORSPACE_MODE HDMI_COLORSPACE_RGB
/**
* STI hdmi structure
*
* @dev: driver device
* @drm_dev: pointer to drm device
* @mode: current display mode selected
* @regs: hdmi register
* @syscfg: syscfg register for pll rejection configuration
* @clk_pix: hdmi pixel clock
* @clk_tmds: hdmi tmds clock
* @clk_phy: hdmi phy clock
* @clk_audio: hdmi audio clock
* @irq: hdmi interrupt number
* @irq_status: interrupt status register
* @phy_ops: phy start/stop operations
* @enabled: true if hdmi is enabled else false
* @hpd: hot plug detect status
* @wait_event: wait event
* @event_received: wait event status
* @reset: reset control of the hdmi phy
* @ddc_adapt: i2c ddc adapter
* @colorspace: current colorspace selected
* @hdmi_monitor: true if HDMI monitor detected else DVI monitor assumed
* @audio_pdev: ASoC hdmi-codec platform device
* @audio: hdmi audio parameters.
* @drm_connector: hdmi connector
* @notifier: hotplug detect notifier
*/
struct sti_hdmi {
struct device dev;
struct drm_device *drm_dev;
struct drm_display_mode mode;
void __iomem *regs;
void __iomem *syscfg;
struct clk *clk_pix;
struct clk *clk_tmds;
struct clk *clk_phy;
struct clk *clk_audio;
int irq;
u32 irq_status;
struct hdmi_phy_ops *phy_ops;
bool enabled;
bool hpd;
wait_queue_head_t wait_event;
bool event_received;
struct reset_control *reset;
struct i2c_adapter *ddc_adapt;
enum hdmi_colorspace colorspace;
bool hdmi_monitor;
struct platform_device *audio_pdev;
struct hdmi_audio_params audio;
struct drm_connector *drm_connector;
struct cec_notifier *notifier;
};
u32 hdmi_read(struct sti_hdmi *hdmi, int offset);
void hdmi_write(struct sti_hdmi *hdmi, u32 val, int offset);
/**
* hdmi phy config structure
*
* A pointer to an array of these structures is passed to a TMDS (HDMI) output
* via the control interface to provide board and SoC specific
* configurations of the HDMI PHY. Each entry in the array specifies a hardware
* specific configuration for a given TMDS clock frequency range.
*
* @min_tmds_freq: Lower bound of TMDS clock frequency this entry applies to
* @max_tmds_freq: Upper bound of TMDS clock frequency this entry applies to
* @config: SoC specific register configuration
*/
struct hdmi_phy_config {
u32 min_tmds_freq;
u32 max_tmds_freq;
u32 config[4];
};
#endif