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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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/isci/scil/scic_sds_sgpio.c 231689 2012-02-14 15:58:49Z jimharris $");
/**
* @file
*
* @brief This file contains the implementation of the SGPIO register inteface
* methods.
*/
#include <dev/isci/scil/scic_sgpio.h>
#include <dev/isci/scil/scic_sds_controller_registers.h>
#include <dev/isci/scil/scic_user_callback.h>
/**
* @brief Function writes Value to the
* SGPIO Output Data Select Register (SGODSR) for phys specified by
* phy_mask paremeter
*
* @param[in] SCIC_SDS_CONTROLLER_T controller
* @param[in] phy_mask - This field is a bit mask that specifies the phys
* to be updated.
* @param[in] value - Value for write
*
* @return none
*/
static
void scic_sgpio_write_SGODSR_register(
SCIC_SDS_CONTROLLER_T *controller,
U32 phy_mask,
U32 value
)
{
U8 phy_index;
for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++)
{
if (phy_mask >> phy_index & 1)
{
scu_sgpio_peg0_register_write(
controller, output_data_select[phy_index], value
);
}
}
}
void scic_sgpio_set_vendor_code(
SCI_CONTROLLER_HANDLE_T controller,
U8 vendor_specific_sequence
)
{
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
scu_sgpio_peg0_register_write(
core_controller, vendor_specific_code, vendor_specific_sequence);
}
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
)
{
U32 value;
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
value = (pattern_b_high << 12) + (pattern_b_low << 8) + (pattern_a_high << 4) + pattern_a_low;
scu_sgpio_peg0_register_write(
core_controller, blink_rate, value);
}
void scic_sgpio_set_functionality(
SCI_CONTROLLER_HANDLE_T controller,
BOOL sgpio_mode
)
{
U32 value = DISABLE_SGPIO_FUNCTIONALITY;
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
if(sgpio_mode)
{
value = ENABLE_SGPIO_FUNCTIONALITY;
}
scu_sgpio_peg0_register_write(
core_controller, interface_control, value);
}
void scic_sgpio_apply_led_blink_pattern(
SCI_CONTROLLER_HANDLE_T controller,
U32 phy_mask,
BOOL error,
BOOL locate,
BOOL activity,
U8 pattern_selection
)
{
U32 output_value = 0;
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
// Start with all LEDs turned off
output_value = (SGODSR_INVERT_BIT << SGODSR_ERROR_LED_SHIFT)
| (SGODSR_INVERT_BIT << SGODSR_LOCATE_LED_SHIFT)
| (SGODSR_INVERT_BIT << SGODSR_ACTIVITY_LED_SHIFT);
if(error)
{ //apply pattern to error LED
output_value |= pattern_selection << SGODSR_ERROR_LED_SHIFT;
output_value &= ~(SGODSR_INVERT_BIT << SGODSR_ERROR_LED_SHIFT);
}
if(locate)
{ //apply pattern to locate LED
output_value |= pattern_selection << SGODSR_LOCATE_LED_SHIFT;
output_value &= ~(SGODSR_INVERT_BIT << SGODSR_LOCATE_LED_SHIFT);
}
if(activity)
{ //apply pattern to activity LED
output_value |= pattern_selection << SGODSR_ACTIVITY_LED_SHIFT;
output_value &= ~(SGODSR_INVERT_BIT << SGODSR_ACTIVITY_LED_SHIFT);
}
scic_sgpio_write_SGODSR_register(core_controller, phy_mask, output_value);
}
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
)
{
U32 phy_mask;
SCIC_SDS_PORT_T * port = (SCIC_SDS_PORT_T *) port_handle;
phy_mask = scic_sds_port_get_phys(port);
scic_sgpio_apply_led_blink_pattern(
controller, phy_mask, error, locate, activity, pattern_selection);
}
void scic_sgpio_update_led_state(
SCI_CONTROLLER_HANDLE_T controller,
U32 phy_mask,
BOOL error,
BOOL locate,
BOOL activity
)
{
U32 output_value;
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
// Start with all LEDs turned on
output_value = 0x00000000;
if(!error)
{ //turn off error LED
output_value |= SGODSR_INVERT_BIT << SGODSR_ERROR_LED_SHIFT;
}
if(!locate)
{ //turn off locate LED
output_value |= SGODSR_INVERT_BIT << SGODSR_LOCATE_LED_SHIFT;
}
if(!activity)
{ //turn off activity LED
output_value |= SGODSR_INVERT_BIT << SGODSR_ACTIVITY_LED_SHIFT;
}
scic_sgpio_write_SGODSR_register(core_controller, phy_mask, output_value);
}
void scic_sgpio_set_led_state(
SCI_CONTROLLER_HANDLE_T controller,
SCI_PORT_HANDLE_T port_handle,
BOOL error,
BOOL locate,
BOOL activity
)
{
U32 phy_mask;
SCIC_SDS_PORT_T * port = (SCIC_SDS_PORT_T *) port_handle;
phy_mask = scic_sds_port_get_phys(port);
scic_sgpio_update_led_state(controller, phy_mask, error, locate, activity);
}
void scic_sgpio_set_to_hardware_control(
SCI_CONTROLLER_HANDLE_T controller,
BOOL is_hardware_controlled
)
{
SCIC_SDS_CONTROLLER_T * core_controller = (SCIC_SDS_CONTROLLER_T *) controller;
U8 i;
U32 output_value;
//turn on hardware control for LED's
if(is_hardware_controlled)
{
output_value = SGPIO_HARDWARE_CONTROL;
}
else //turn off hardware control
{
output_value = SGPIO_SOFTWARE_CONTROL;
}
for(i = 0; i < SCI_MAX_PHYS; i++)
{
scu_sgpio_peg0_register_write(
core_controller, output_data_select[i], output_value);
}
}
U32 scic_sgpio_read(
SCI_CONTROLLER_HANDLE_T controller
)
{
//Not supported in the SCU hardware returning 0xFFFFFFFF
return 0xffffffff;
}
void scic_sgpio_hardware_initialize(
SCI_CONTROLLER_HANDLE_T controller
)
{
scic_sgpio_set_functionality(controller, TRUE);
scic_sgpio_set_to_hardware_control(controller, TRUE);
scic_sgpio_set_vendor_code(controller, 0x00);
}
void scic_sgpio_initialize(
SCI_CONTROLLER_HANDLE_T controller
)
{
scic_sgpio_set_functionality(controller, TRUE);
scic_sgpio_set_to_hardware_control(controller, FALSE);
scic_sgpio_set_vendor_code(controller, 0x00);
}