/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* tc358743 - Toshiba HDMI to CSI-2 bridge
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*
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* Copyright 2015 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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*/
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/*
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* References (c = chapter, p = page):
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* REF_01 - Toshiba, TC358743XBG (H2C), Functional Specification, Rev 0.60
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* REF_02 - Toshiba, TC358743XBG_HDMI-CSI_Tv11p_nm.xls
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*/
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#ifndef _TC358743_
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#define _TC358743_
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enum tc358743_ddc5v_delays {
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DDC5V_DELAY_0_MS,
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DDC5V_DELAY_50_MS,
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DDC5V_DELAY_100_MS,
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DDC5V_DELAY_200_MS,
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};
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enum tc358743_hdmi_detection_delay {
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HDMI_MODE_DELAY_0_MS,
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HDMI_MODE_DELAY_25_MS,
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HDMI_MODE_DELAY_50_MS,
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HDMI_MODE_DELAY_100_MS,
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};
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struct tc358743_platform_data {
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/* System clock connected to REFCLK (pin H5) */
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u32 refclk_hz; /* 26 MHz, 27 MHz or 42 MHz */
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/* DDC +5V debounce delay to avoid spurious interrupts when the cable
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* is connected.
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* Sets DDC5V_MODE in register DDC_CTL.
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* Default: DDC5V_DELAY_0_MS
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*/
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enum tc358743_ddc5v_delays ddc5v_delay;
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bool enable_hdcp;
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/*
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* The FIFO size is 512x32, so Toshiba recommend to set the default FIFO
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* level to somewhere in the middle (e.g. 300), so it can cover speed
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* mismatches in input and output ports.
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*/
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u16 fifo_level;
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/* Bps pr lane is (refclk_hz / pll_prd) * pll_fbd */
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u16 pll_prd;
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u16 pll_fbd;
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/* CSI
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* Calculate CSI parameters with REF_02 for the highest resolution your
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* CSI interface can handle. The driver will adjust the number of CSI
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* lanes in use according to the pixel clock.
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*
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* The values in brackets are calculated with REF_02 when the number of
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* bps pr lane is 823.5 MHz, and can serve as a starting point.
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*/
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u32 lineinitcnt; /* (0x00001770) */
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u32 lptxtimecnt; /* (0x00000005) */
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u32 tclk_headercnt; /* (0x00001d04) */
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u32 tclk_trailcnt; /* (0x00000000) */
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u32 ths_headercnt; /* (0x00000505) */
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u32 twakeup; /* (0x00004650) */
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u32 tclk_postcnt; /* (0x00000000) */
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u32 ths_trailcnt; /* (0x00000004) */
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u32 hstxvregcnt; /* (0x00000005) */
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/* DVI->HDMI detection delay to avoid unnecessary switching between DVI
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* and HDMI mode.
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* Sets HDMI_DET_V in register HDMI_DET.
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* Default: HDMI_MODE_DELAY_0_MS
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*/
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enum tc358743_hdmi_detection_delay hdmi_detection_delay;
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/* Reset PHY automatically when TMDS clock goes from DC to AC.
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* Sets PHY_AUTO_RST2 in register PHY_CTL2.
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* Default: false
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*/
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bool hdmi_phy_auto_reset_tmds_detected;
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/* Reset PHY automatically when TMDS clock passes 21 MHz.
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* Sets PHY_AUTO_RST3 in register PHY_CTL2.
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* Default: false
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*/
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bool hdmi_phy_auto_reset_tmds_in_range;
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/* Reset PHY automatically when TMDS clock is detected.
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* Sets PHY_AUTO_RST4 in register PHY_CTL2.
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* Default: false
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*/
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bool hdmi_phy_auto_reset_tmds_valid;
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/* Reset HDMI PHY automatically when hsync period is out of range.
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* Sets H_PI_RST in register HV_RST.
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* Default: false
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*/
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bool hdmi_phy_auto_reset_hsync_out_of_range;
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/* Reset HDMI PHY automatically when vsync period is out of range.
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* Sets V_PI_RST in register HV_RST.
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* Default: false
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*/
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bool hdmi_phy_auto_reset_vsync_out_of_range;
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};
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/* custom controls */
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/* Audio sample rate in Hz */
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#define TC358743_CID_AUDIO_SAMPLING_RATE (V4L2_CID_USER_TC358743_BASE + 0)
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/* Audio present status */
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#define TC358743_CID_AUDIO_PRESENT (V4L2_CID_USER_TC358743_BASE + 1)
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#endif
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