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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/isci/scil/scic_sgpio.h 231689 2012-02-14 15:58:49Z jimharris $
*/
#ifndef _SCIC_SGPIO_H_
#define _SCIC_SGPIO_H_
/**
* @file
*
* @brief This file contains all of the interface methods that can be called
* by an SCI user on an Serialized General Purpose IO (SGPIO) object.
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/sci_types.h>
//Programmable Blink Pattern Durations
#define SGPIO_BLINK_DURATION_125 0x0
#define SGPIO_BLINK_DURATION_250 0x1
#define SGPIO_BLINK_DURATION_375 0x2
#define SGPIO_BLINK_DURATION_500 0x3
#define SGPIO_BLINK_DURATION_625 0x4
#define SGPIO_BLINK_DURATION_750 0x5
#define SGPIO_BLINK_DURATION_875 0x6
#define SGPIO_BLINK_DURATION_1000 0x7
#define SGPIO_BLINK_DURATION_1250 0x8
#define SGPIO_BLINK_DURATION_1375 0x9
#define SGPIO_BLINK_DURATION_1500 0xA
#define SGPIO_BLINK_DURATION_1625 0xB
#define SGPIO_BLINK_DURATION_1750 0xC
#define SGPIO_BLINK_DURATION_1875 0xD
#define SGPIO_BLINK_DURATION_2000 0xF
#define ENABLE_SGPIO_FUNCTIONALITY 1
#define DISABLE_SGPIO_FUNCTIONALITY 0
#define SGPIO_HARDWARE_CONTROL 0x00000443
#define SGPIO_SOFTWARE_CONTROL 0x00000444
#define PHY_0_MASK 0x01
#define PHY_1_MASK 0x02
#define PHY_2_MASK 0x04
#define PHY_3_MASK 0x08
#define SGODSR_INVERT_BIT 0x4
#define SGODSR_ERROR_LED_SHIFT 8
#define SGODSR_LOCATE_LED_SHIFT 4
#define SGODSR_ACTIVITY_LED_SHIFT 0
#define SGPIO_BLINK_PATTERN_A 0x1
#define SGPIO_BLINK_PATTERN_B 0x2
/**
* @brief This will set the vendor specific code in the SGPIO Vendor Specific Code
* register that is sent on the sLoad wire at the start of each
* bit stream.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param]in] vendor_specific_sequence - Vendor specific sequence set in the
* SGVSCR register.
*
*/
void scic_sgpio_set_vendor_code(
SCI_CONTROLLER_HANDLE_T controller,
U8 vendor_specific_sequence
);
/**
* @brief Use this to set both programmable blink patterns A & B in the
* SGPBR(Programmable Blink Register). Will set identical patterns
* on both SGPIO units.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] pattern_a_high - High(LED on) duration time for pattern A
* @param[in] pattern_a_low - Low(LED off) duration time for pattern A
* @param[in] pattern_b_high - High(LED on) duration time for pattern B
* @param[in] pattern_b_low - Low(LED off) duration time for pattern B
*
*/
void scic_sgpio_set_blink_patterns(
SCI_CONTROLLER_HANDLE_T controller,
U8 pattern_a_low,
U8 pattern_a_high,
U8 pattern_b_low,
U8 pattern_b_high
);
/**
* @brief This will set the functionality enable bit in the SGPIO interface
* control register, when set the bus pins will be used for SGPIO
* signaling, if not the bus pins are used for direct led control.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] BOOL sgpio_mode - indication for SGPIO signaling.
*
*/
void scic_sgpio_set_functionality(
SCI_CONTROLLER_HANDLE_T controller,
BOOL sgpio_mode
);
/**
* @brief Communicates with hardware to set the blink pattern
* of the error, locate, and activity LED's for phys
* specified by the phy_mask parameter.
* Function intend to be used to LEDs management
* in non-inteligent backplanes.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] phy_mask - This field is a bit mask that specifies the phys
* to be updated.
* @param[in] error - If TRUE, apply pattern for the error LED
* @param[in] locate - If TRUE, apply pattern for the locate LED
* @param[in] activity - If TRUE, apply pattern for the activity LED
* @param[in] pattern_selection - One of two patterns (A or B).
* "A" and "B" patterns should be previously defined
* by scic_sgpio_set_blink_patterns()
*
* @return none
*/
void scic_sgpio_apply_led_blink_pattern(
SCI_CONTROLLER_HANDLE_T controller,
U32 phy_mask,
BOOL error,
BOOL locate,
BOOL activity,
U8 pattern_selection
);
/**
* @brief Communicates with hardware to set the blink pattern
* of the error, locate, and activity LED's for all
* phys in the port. Function intend to be used to LEDs
* management in non-inteligent backplanes.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] port_handle - port handle is used to identify SGPIO bay
* @param[in] error - If TRUE, apply pattern for the error LED
* @param[in] locate - If TRUE, apply pattern for the locate LED
* @param[in] activity - If TRUE, apply pattern for the activity LED
* @param[in] pattern_selection - One of two patterns (A or B).
* "A" and "B" patterns should be previously defined
* by scic_sgpio_set_blink_patterns()
*
* @return none
*/
void scic_sgpio_set_led_blink_pattern(
SCI_CONTROLLER_HANDLE_T controller,
SCI_PORT_HANDLE_T port_handle,
BOOL error,
BOOL locate,
BOOL activity,
U8 pattern_selection
);
/**
* @brief Communicates with hardware to set the state of the error, locate,
* and activity LED's.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] phy_mask - This field is a bit mask that specifies the phys
* to be updated.
* @param[in] error - State to be set for the error LED
* @param[in] locate - State to be set for the locate LED
* @param[in] activity - State to be set for the activity LED
*
* @return none
*/
void scic_sgpio_update_led_state(
SCI_CONTROLLER_HANDLE_T controller,
U32 phy_mask,
BOOL error,
BOOL locate,
BOOL activity
);
/**
* @brief Communicates with hardware to set the state of the error, locate,
* and activity LED's for all phys in the port.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @param[in] port_handle - port handle is used to identify SGPIO bay
* @param[in] error - State to be set for the error LED
* @param[in] locate - State to be set for the locate LED
* @param[in] activity - State to be set for the activity LED
*
* @return none
*/
void scic_sgpio_set_led_state(
SCI_CONTROLLER_HANDLE_T controller,
SCI_PORT_HANDLE_T port_handle,
BOOL error,
BOOL locate,
BOOL activity
);
/**
* @brief This will set all Activity LED's to hardware controlled
*
* @param[in] BOOL is_hardware_controlled - indication for the Activity LED's
* to be hardware controlled or driver controlled.
* @return none
*/
void scic_sgpio_set_to_hardware_control(
SCI_CONTROLLER_HANDLE_T controller,
BOOL is_hardware_controlled
);
/**
* @brief Reads and returns the data-in from the SGPIO port for the specified controller.
* Bits 00:02 - Drive 0 input data
* Bits 04:06 - Drive 1 input data
* Bits 08:10 - Drive 2 input data
* Bits 12:14 - Drive 3 input data
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
* @return U32 - Value read from SGPIO, 0xffffffff indicates hardware not readable
*/
U32 scic_sgpio_read(
SCI_CONTROLLER_HANDLE_T controller
);
/**
* @brief Initializes the SCU for Hardware SGPIO LED control.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
*/
void scic_sgpio_hardware_initialize(
SCI_CONTROLLER_HANDLE_T controller
);
/**
* @brief Initializes the SCU for Software SGPIO signaling of LED control.
*
* @param[in] SCI_CONTROLLER_HANDLE_T controller
*/
void scic_sgpio_initialize(
SCI_CONTROLLER_HANDLE_T controller
);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCIC_SGPIO_H_