API_AFE.c
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/******************************************************************************
*
* Copyright (C) 2016-2017 Cadence Design Systems, Inc.
* All rights reserved worldwide.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 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 HOLDER 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.
* 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.
*
* Copyright 2017-2018 NXP
*
******************************************************************************
*
* API_AFE.c
*
******************************************************************************
*/
#include "address.h"
#include "API_AFE.h"
#include "API_General.h"
void Afe_write(state_struct *state, u32 offset, u16 val)
{
CDN_API_STATUS sts;
sts =
CDN_API_General_Write_Register_blocking(state,
ADDR_AFE + (offset << 2),
val);
if (sts != CDN_OK) {
pr_err
("CDN_API_General_Write_Register_blocking(0x%.8X, 0x%.8X) returned %d\n",
offset, val, (int)sts);
}
}
u16 Afe_read(state_struct *state, u32 offset)
{
GENERAL_Read_Register_response resp;
CDN_API_STATUS sts;
sts =
CDN_API_General_Read_Register_blocking(state,
ADDR_AFE + (offset << 2),
&resp);
if (sts != CDN_OK) {
pr_err
("CDN_API_General_Read_Register_blocking(0x%.8X) returned %d\n",
offset, (int)sts);
}
return resp.val;
}
void set_field_value(reg_field_t *reg_field, u32 value)
{
u8 length;
u32 max_value;
u32 trunc_val;
length = (reg_field->msb - reg_field->lsb + 1);
max_value = (1 << length) - 1;
if (value > max_value) {
trunc_val = value;
trunc_val &= (1 << length) - 1;
pr_err("set_field_value() Error! Specified value (0x%0X)\
exceeds field capacity - it will by truncated to\
0x%0X (%0d-bit field - max value: %0d dec)\n",
value, trunc_val, length, max_value);
} else
reg_field->value = value;
}
int set_reg_value(reg_field_t reg_field)
{
return reg_field.value << reg_field.lsb;
}
int inside(u32 value, u32 left_sharp_corner, u32 right_sharp_corner)
{
if (value < left_sharp_corner)
return 0;
if (value > right_sharp_corner)
return 0;
return 1;
}
int get_table_row_match_column(
const u32 *array,
u32 table_rows,
u32 table_cols,
u32 start_row,
u32 column_to_search,
u32 value_to_search_in_column)
{
u32 idx_cols, idx_rows;
u32 value;
for (idx_rows = start_row; idx_rows < table_rows; idx_rows++) {
for (idx_cols = 0; idx_cols < table_cols; idx_cols++) {
if (idx_cols == column_to_search) {
value = *((array + idx_rows * table_cols) +
idx_cols);
if (value == value_to_search_in_column) {
return idx_rows;
}
}
}
}
return -1;
}
int get_table_row(
const u32 *array,
u32 table_rows,
u32 table_cols,
u32 variable_in_range,
u32 range_min_column,
u32 range_max_column,
u32 column_to_search,
u32 column_value)
{
u32 i = 0;
while (1) {
i = get_table_row_match_column(array, table_rows, table_cols, i,
column_to_search, column_value);
if (i + 1) {
if (inside(variable_in_range,
*((array + i * table_cols) +
range_min_column),
*((array + i * table_cols) +
range_max_column))) {
break;
}
i++;
} else {
break;
}
}
return i;
}
u8 AFE_check_rate_supported(ENUM_AFE_LINK_RATE rate)
{
switch (rate) {
case AFE_LINK_RATE_1_6:
case AFE_LINK_RATE_2_1:
case AFE_LINK_RATE_2_4:
case AFE_LINK_RATE_2_7:
case AFE_LINK_RATE_3_2:
case AFE_LINK_RATE_4_3:
case AFE_LINK_RATE_5_4:
return 1;
default:
return 0;
}
}