diff options
Diffstat (limited to 'include/drm/bridge/dw_hdmi.h')
| -rw-r--r-- | include/drm/bridge/dw_hdmi.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h new file mode 100644 index 000000000..ea34ca146 --- /dev/null +++ b/include/drm/bridge/dw_hdmi.h @@ -0,0 +1,196 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. + */ + +#ifndef __DW_HDMI__ +#define __DW_HDMI__ + +#include <sound/hdmi-codec.h> + +struct drm_display_info; +struct drm_display_mode; +struct drm_encoder; +struct dw_hdmi; +struct platform_device; + +/** + * DOC: Supported input formats and encodings + * + * Depending on the Hardware configuration of the Controller IP, it supports + * a subset of the following input formats and encodings on its internal + * 48bit bus. + * + * +----------------------+----------------------------------+------------------------------+ + * | Format Name | Format Code | Encodings | + * +----------------------+----------------------------------+------------------------------+ + * | RGB 4:4:4 8bit | ``MEDIA_BUS_FMT_RGB888_1X24`` | ``V4L2_YCBCR_ENC_DEFAULT`` | + * +----------------------+----------------------------------+------------------------------+ + * | RGB 4:4:4 10bits | ``MEDIA_BUS_FMT_RGB101010_1X30`` | ``V4L2_YCBCR_ENC_DEFAULT`` | + * +----------------------+----------------------------------+------------------------------+ + * | RGB 4:4:4 12bits | ``MEDIA_BUS_FMT_RGB121212_1X36`` | ``V4L2_YCBCR_ENC_DEFAULT`` | + * +----------------------+----------------------------------+------------------------------+ + * | RGB 4:4:4 16bits | ``MEDIA_BUS_FMT_RGB161616_1X48`` | ``V4L2_YCBCR_ENC_DEFAULT`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:4:4 8bit | ``MEDIA_BUS_FMT_YUV8_1X24`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * | | | or ``V4L2_YCBCR_ENC_XV601`` | + * | | | or ``V4L2_YCBCR_ENC_XV709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:4:4 10bits | ``MEDIA_BUS_FMT_YUV10_1X30`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * | | | or ``V4L2_YCBCR_ENC_XV601`` | + * | | | or ``V4L2_YCBCR_ENC_XV709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:4:4 12bits | ``MEDIA_BUS_FMT_YUV12_1X36`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * | | | or ``V4L2_YCBCR_ENC_XV601`` | + * | | | or ``V4L2_YCBCR_ENC_XV709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:4:4 16bits | ``MEDIA_BUS_FMT_YUV16_1X48`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * | | | or ``V4L2_YCBCR_ENC_XV601`` | + * | | | or ``V4L2_YCBCR_ENC_XV709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:2 8bit | ``MEDIA_BUS_FMT_UYVY8_1X16`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:2 10bits | ``MEDIA_BUS_FMT_UYVY10_1X20`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:2 12bits | ``MEDIA_BUS_FMT_UYVY12_1X24`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:0 8bit | ``MEDIA_BUS_FMT_UYYVYY8_0_5X24`` | ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:0 10bits | ``MEDIA_BUS_FMT_UYYVYY10_0_5X30``| ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:0 12bits | ``MEDIA_BUS_FMT_UYYVYY12_0_5X36``| ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + * | YCbCr 4:2:0 16bits | ``MEDIA_BUS_FMT_UYYVYY16_0_5X48``| ``V4L2_YCBCR_ENC_601`` | + * | | | or ``V4L2_YCBCR_ENC_709`` | + * +----------------------+----------------------------------+------------------------------+ + */ + +enum { + DW_HDMI_RES_8, + DW_HDMI_RES_10, + DW_HDMI_RES_12, + DW_HDMI_RES_MAX, +}; + +enum dw_hdmi_phy_type { + DW_HDMI_PHY_DWC_HDMI_TX_PHY = 0x00, + DW_HDMI_PHY_DWC_MHL_PHY_HEAC = 0xb2, + DW_HDMI_PHY_DWC_MHL_PHY = 0xc2, + DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC = 0xe2, + DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY = 0xf2, + DW_HDMI_PHY_DWC_HDMI20_TX_PHY = 0xf3, + DW_HDMI_PHY_VENDOR_PHY = 0xfe, +}; + +struct dw_hdmi_mpll_config { + unsigned long mpixelclock; + struct { + u16 cpce; + u16 gmp; + } res[DW_HDMI_RES_MAX]; +}; + +struct dw_hdmi_curr_ctrl { + unsigned long mpixelclock; + u16 curr[DW_HDMI_RES_MAX]; +}; + +struct dw_hdmi_phy_config { + unsigned long mpixelclock; + u16 sym_ctr; /*clock symbol and transmitter control*/ + u16 term; /*transmission termination value*/ + u16 vlev_ctr; /* voltage level control */ +}; + +struct dw_hdmi_phy_ops { + int (*init)(struct dw_hdmi *hdmi, void *data, + const struct drm_display_info *display, + const struct drm_display_mode *mode); + void (*disable)(struct dw_hdmi *hdmi, void *data); + enum drm_connector_status (*read_hpd)(struct dw_hdmi *hdmi, void *data); + void (*update_hpd)(struct dw_hdmi *hdmi, void *data, + bool force, bool disabled, bool rxsense); + void (*setup_hpd)(struct dw_hdmi *hdmi, void *data); +}; + +struct dw_hdmi_plat_data { + struct regmap *regm; + + unsigned long input_bus_encoding; + bool use_drm_infoframe; + bool ycbcr_420_allowed; + + /* + * Private data passed to all the .mode_valid() and .configure_phy() + * callback functions. + */ + void *priv_data; + + /* Platform-specific mode validation (optional). */ + enum drm_mode_status (*mode_valid)(struct dw_hdmi *hdmi, void *data, + const struct drm_display_info *info, + const struct drm_display_mode *mode); + + /* Vendor PHY support */ + const struct dw_hdmi_phy_ops *phy_ops; + const char *phy_name; + void *phy_data; + unsigned int phy_force_vendor; + + /* Synopsys PHY support */ + const struct dw_hdmi_mpll_config *mpll_cfg; + const struct dw_hdmi_curr_ctrl *cur_ctr; + const struct dw_hdmi_phy_config *phy_config; + int (*configure_phy)(struct dw_hdmi *hdmi, void *data, + unsigned long mpixelclock); +}; + +struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, + const struct dw_hdmi_plat_data *plat_data); +void dw_hdmi_remove(struct dw_hdmi *hdmi); +void dw_hdmi_unbind(struct dw_hdmi *hdmi); +struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev, + struct drm_encoder *encoder, + const struct dw_hdmi_plat_data *plat_data); + +void dw_hdmi_resume(struct dw_hdmi *hdmi); + +void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense); + +int dw_hdmi_set_plugged_cb(struct dw_hdmi *hdmi, hdmi_codec_plugged_cb fn, + struct device *codec_dev); +void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate); +void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt); +void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi, u8 *channel_status); +void dw_hdmi_set_channel_allocation(struct dw_hdmi *hdmi, unsigned int ca); +void dw_hdmi_audio_enable(struct dw_hdmi *hdmi); +void dw_hdmi_audio_disable(struct dw_hdmi *hdmi); +void dw_hdmi_set_high_tmds_clock_ratio(struct dw_hdmi *hdmi, + const struct drm_display_info *display); + +/* PHY configuration */ +void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address); +void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, + unsigned char addr); + +void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable); +void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable); +void dw_hdmi_phy_reset(struct dw_hdmi *hdmi); + +enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, + void *data); +void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, + bool force, bool disabled, bool rxsense); +void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data); + +#endif /* __IMX_HDMI_H__ */ |