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/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MHL_SPEC_DEFS_H__
#define __MHL_SPEC_DEFS_H__
enum DevCapOffset_e {
DEVCAP_OFFSET_DEV_STATE = 0x00,
DEVCAP_OFFSET_MHL_VERSION = 0x01,
DEVCAP_OFFSET_DEV_CAT = 0x02,
DEVCAP_OFFSET_ADOPTER_ID_H = 0x03,
DEVCAP_OFFSET_ADOPTER_ID_L = 0x04,
DEVCAP_OFFSET_VID_LINK_MODE = 0x05,
DEVCAP_OFFSET_AUD_LINK_MODE = 0x06,
DEVCAP_OFFSET_VIDEO_TYPE = 0x07,
DEVCAP_OFFSET_LOG_DEV_MAP = 0x08,
DEVCAP_OFFSET_BANDWIDTH = 0x09,
DEVCAP_OFFSET_FEATURE_FLAG = 0x0A,
DEVCAP_OFFSET_DEVICE_ID_H = 0x0B,
DEVCAP_OFFSET_DEVICE_ID_L = 0x0C,
DEVCAP_OFFSET_SCRATCHPAD_SIZE = 0x0D,
DEVCAP_OFFSET_INT_STAT_SIZE = 0x0E,
DEVCAP_OFFSET_RESERVED = 0x0F,
/* this one must be last */
DEVCAP_SIZE
};
#ifndef __MHL_MSM_8334_REGS_H__
#define __MHL_MSM_8334_REGS_H__
#define BIT0 0x01
#define BIT1 0x02
#define BIT2 0x04
#define BIT3 0x08
#define BIT4 0x10
#define BIT5 0x20
#define BIT6 0x40
#define BIT7 0x80
#define LOW 0
#define HIGH 1
#define MAX_PAGES 8
#endif
/* Version that this chip supports*/
/* bits 4..7 */
#define MHL_VER_MAJOR (0x01 << 4)
/* bits 0..3 */
#define MHL_VER_MINOR 0x02
#define MHL_VERSION (MHL_VER_MAJOR | MHL_VER_MINOR)
/*Device Category*/
#define MHL_DEV_CATEGORY_OFFSET DEVCAP_OFFSET_DEV_CAT
#define MHL_DEV_CATEGORY_POW_BIT (BIT4)
#define MHL_DEV_CAT_SOURCE 0x02
/*Video Link Mode*/
#define MHL_DEV_VID_LINK_SUPPRGB444 0x01
#define MHL_DEV_VID_LINK_SUPPYCBCR444 0x02
#define MHL_DEV_VID_LINK_SUPPYCBCR422 0x04
#define MHL_DEV_VID_LINK_SUPP_PPIXEL 0x08
#define MHL_DEV_VID_LINK_SUPP_ISLANDS 0x10
/*Audio Link Mode Support*/
#define MHL_DEV_AUD_LINK_2CH 0x01
#define MHL_DEV_AUD_LINK_8CH 0x02
/*Feature Flag in the devcap*/
#define MHL_DEV_FEATURE_FLAG_OFFSET DEVCAP_OFFSET_FEATURE_FLAG
/* Dongles have freedom to not support RCP */
#define MHL_FEATURE_RCP_SUPPORT BIT0
/* Dongles have freedom to not support RAP */
#define MHL_FEATURE_RAP_SUPPORT BIT1
/* Dongles have freedom to not support SCRATCHPAD */
#define MHL_FEATURE_SP_SUPPORT BIT2
/*Logical Dev Map*/
#define MHL_DEV_LD_DISPLAY (0x01 << 0)
#define MHL_DEV_LD_VIDEO (0x01 << 1)
#define MHL_DEV_LD_AUDIO (0x01 << 2)
#define MHL_DEV_LD_MEDIA (0x01 << 3)
#define MHL_DEV_LD_TUNER (0x01 << 4)
#define MHL_DEV_LD_RECORD (0x01 << 5)
#define MHL_DEV_LD_SPEAKER (0x01 << 6)
#define MHL_DEV_LD_GUI (0x01 << 7)
/*Bandwidth*/
/* 225 MHz */
#define MHL_BANDWIDTH_LIMIT 22
#define MHL_STATUS_REG_CONNECTED_RDY 0x30
#define MHL_STATUS_REG_LINK_MODE 0x31
#define MHL_STATUS_DCAP_RDY BIT0
#define MHL_STATUS_CLK_MODE_MASK 0x07
#define MHL_STATUS_CLK_MODE_PACKED_PIXEL 0x02
#define MHL_STATUS_CLK_MODE_NORMAL 0x03
#define MHL_STATUS_PATH_EN_MASK 0x08
#define MHL_STATUS_PATH_ENABLED 0x08
#define MHL_STATUS_PATH_DISABLED 0x00
#define MHL_STATUS_MUTED_MASK 0x10
#define MHL_RCHANGE_INT 0x20
#define MHL_DCHANGE_INT 0x21
#define MHL_INT_DCAP_CHG BIT0
#define MHL_INT_DSCR_CHG BIT1
#define MHL_INT_REQ_WRT BIT2
#define MHL_INT_GRT_WRT BIT3
/* On INTR_1 the EDID_CHG is located at BIT 0*/
#define MHL_INT_EDID_CHG BIT1
/* This contains one nibble each - max offset */
#define MHL_INT_AND_STATUS_SIZE 0x33
#define MHL_SCRATCHPAD_OFFSET 0x40
#define MHL_SCRATCHPAD_SIZE 16
#define MAX_SCRATCHPAD_TRANSFER_SIZE 64
#define ADOPTER_ID_SIZE 2
#define MHL_DEVCAP_ALL 0xffff
/* manually define highest number */
#define MHL_MAX_BUFFER_SIZE MHL_SCRATCHPAD_SIZE
#define MHL_BURST_WAIT (1000)
enum {
/* RCP sub-command */
MHL_MSC_MSG_RCP = 0x10,
/* RCP Acknowledge sub-command */
MHL_MSC_MSG_RCPK = 0x11,
/* RCP Error sub-command */
MHL_MSC_MSG_RCPE = 0x12,
/* Mode Change Warning sub-command */
MHL_MSC_MSG_RAP = 0x20,
/* MCW Acknowledge sub-command */
MHL_MSC_MSG_RAPK = 0x21,
};
#define MHL_RCPE_NO_ERROR 0x00
#define MHL_RCPE_UNSUPPORTED_KEY_CODE 0x01
#define MHL_RCPE_INEFFECTIVE_KEY_CODE 0x01
#define MHL_RCPE_BUSY 0x02
#define MHL_RAPK_NO_ERROR 0x00
#define MHL_RAPK_UNRECOGNIZED_ACTION_CODE 0x01
#define MHL_RAPK_UNSUPPORTED_ACTION_CODE 0x02
#define MHL_RAPK_BUSY 0x03
#define T_ABORT_NEXT (2050)
/* MHL spec related defines*/
enum {
/* Command or Data byte acknowledge */
MHL_ACK = 0x33,
/* Command or Data byte not acknowledge */
MHL_NACK = 0x34,
/* Transaction abort */
MHL_ABORT = 0x35,
/* 0xE0 - Write one status register strip top bit */
MHL_WRITE_STAT = 0x60 | 0x80,
/* Write one interrupt register */
MHL_SET_INT = 0x60,
/* Read one register */
MHL_READ_DEVCAP = 0x61,
/* Read CBUS revision level from follower */
MHL_GET_STATE = 0x62,
/* Read vendor ID value from follower. */
MHL_GET_VENDOR_ID = 0x63,
/* Set Hot Plug Detect in follower */
MHL_SET_HPD = 0x64,
/* Clear Hot Plug Detect in follower */
MHL_CLR_HPD = 0x65,
/* Set Capture ID for downstream device. */
MHL_SET_CAP_ID = 0x66,
/* Get Capture ID from downstream device. */
MHL_GET_CAP_ID = 0x67,
/* VS command to send RCP sub-commands */
MHL_MSC_MSG = 0x68,
/* Get Vendor-Specific command error code. */
MHL_GET_SC1_ERRORCODE = 0x69,
/* Get DDC channel command error code. */
MHL_GET_DDC_ERRORCODE = 0x6A,
/* Get MSC command error code. */
MHL_GET_MSC_ERRORCODE = 0x6B,
/* Write 1-16 bytes to responder's scratchpad. */
MHL_WRITE_BURST = 0x6C,
/* Get channel 3 command error code. */
MHL_GET_SC3_ERRORCODE = 0x6D,
};
/* Polling. */
#define MHL_RAP_POLL 0x00
/* Turn content streaming ON. */
#define MHL_RAP_CONTENT_ON 0x10
/* Turn content streaming OFF. */
#define MHL_RAP_CONTENT_OFF 0x11
/*
*
* MHL Timings applicable to this driver.
*
*/
/* 100 - 1000 milliseconds. Per MHL 1.0 Specs */
#define T_SRC_VBUS_CBUS_TO_STABLE (200)
/* 20 milliseconds. Per MHL 1.0 Specs */
#define T_SRC_WAKE_PULSE_WIDTH_1 (20)
/* 60 milliseconds. Per MHL 1.0 Specs */
#define T_SRC_WAKE_PULSE_WIDTH_2 (60)
/* 100 - 1000 milliseconds. Per MHL 1.0 Specs */
#define T_SRC_WAKE_TO_DISCOVER (500)
#define T_SRC_VBUS_CBUS_T0_STABLE (500)
/* Allow RSEN to stay low this much before reacting.*/
#define T_SRC_RSEN_DEGLITCH (100)
/* Wait this much after connection before reacting to RSEN (300-500ms)*/
/* Per specs between 300 to 500 ms*/
#define T_SRC_RXSENSE_CHK (400)
#endif /* __MHL_SPEC_DEFS_H__ */
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