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/*
* tc358743 - Toshiba HDMI to CSI-2 bridge
*
* Copyright 2015 Cisco Systems, Inc. and/or its affiliates. All rights
* reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
/*
* References (c = chapter, p = page):
* REF_01 - Toshiba, TC358743XBG (H2C), Functional Specification, Rev 0.60
* REF_02 - Toshiba, TC358743XBG_HDMI-CSI_Tv11p_nm.xls
*/
#ifndef _TC358743_
#define _TC358743_
enum tc358743_ddc5v_delays {
DDC5V_DELAY_0_MS,
DDC5V_DELAY_50_MS,
DDC5V_DELAY_100_MS,
DDC5V_DELAY_200_MS,
};
enum tc358743_hdmi_detection_delay {
HDMI_MODE_DELAY_0_MS,
HDMI_MODE_DELAY_25_MS,
HDMI_MODE_DELAY_50_MS,
HDMI_MODE_DELAY_100_MS,
};
struct tc358743_platform_data {
/* System clock connected to REFCLK (pin H5) */
u32 refclk_hz; /* 26 MHz, 27 MHz or 42 MHz */
/* DDC +5V debounce delay to avoid spurious interrupts when the cable
* is connected.
* Sets DDC5V_MODE in register DDC_CTL.
* Default: DDC5V_DELAY_0_MS
*/
enum tc358743_ddc5v_delays ddc5v_delay;
bool enable_hdcp;
/*
* The FIFO size is 512x32, so Toshiba recommend to set the default FIFO
* level to somewhere in the middle (e.g. 300), so it can cover speed
* mismatches in input and output ports.
*/
u16 fifo_level;
/* Bps pr lane is (refclk_hz / pll_prd) * pll_fbd */
u16 pll_prd;
u16 pll_fbd;
/* CSI
* Calculate CSI parameters with REF_02 for the highest resolution your
* CSI interface can handle. The driver will adjust the number of CSI
* lanes in use according to the pixel clock.
*
* The values in brackets are calculated with REF_02 when the number of
* bps pr lane is 823.5 MHz, and can serve as a starting point.
*/
u32 lineinitcnt; /* (0x00001770) */
u32 lptxtimecnt; /* (0x00000005) */
u32 tclk_headercnt; /* (0x00001d04) */
u32 tclk_trailcnt; /* (0x00000000) */
u32 ths_headercnt; /* (0x00000505) */
u32 twakeup; /* (0x00004650) */
u32 tclk_postcnt; /* (0x00000000) */
u32 ths_trailcnt; /* (0x00000004) */
u32 hstxvregcnt; /* (0x00000005) */
/* DVI->HDMI detection delay to avoid unnecessary switching between DVI
* and HDMI mode.
* Sets HDMI_DET_V in register HDMI_DET.
* Default: HDMI_MODE_DELAY_0_MS
*/
enum tc358743_hdmi_detection_delay hdmi_detection_delay;
/* Reset PHY automatically when TMDS clock goes from DC to AC.
* Sets PHY_AUTO_RST2 in register PHY_CTL2.
* Default: false
*/
bool hdmi_phy_auto_reset_tmds_detected;
/* Reset PHY automatically when TMDS clock passes 21 MHz.
* Sets PHY_AUTO_RST3 in register PHY_CTL2.
* Default: false
*/
bool hdmi_phy_auto_reset_tmds_in_range;
/* Reset PHY automatically when TMDS clock is detected.
* Sets PHY_AUTO_RST4 in register PHY_CTL2.
* Default: false
*/
bool hdmi_phy_auto_reset_tmds_valid;
/* Reset HDMI PHY automatically when hsync period is out of range.
* Sets H_PI_RST in register HV_RST.
* Default: false
*/
bool hdmi_phy_auto_reset_hsync_out_of_range;
/* Reset HDMI PHY automatically when vsync period is out of range.
* Sets V_PI_RST in register HV_RST.
* Default: false
*/
bool hdmi_phy_auto_reset_vsync_out_of_range;
};
/* custom controls */
/* Audio sample rate in Hz */
#define TC358743_CID_AUDIO_SAMPLING_RATE (V4L2_CID_USER_TC358743_BASE + 0)
/* Audio present status */
#define TC358743_CID_AUDIO_PRESENT (V4L2_CID_USER_TC358743_BASE + 1)
#endif
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