| /* |
| *Copyright 2014,215 NXP Semiconductors |
| * |
| *Licensed under the Apache License, Version 2.0 (the "License"); |
| *you may not use this file except in compliance with the License. |
| *You may obtain a copy of the License at |
| * |
| *http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| *Unless required by applicable law or agreed to in writing, software |
| *distributed under the License is distributed on an "AS IS" BASIS, |
| *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| *See the License for the specific language governing permissions and |
| *limitations under the License. |
| */ |
| |
| #include "tfa_dsp_fw.h" |
| #include "tfa_service.h" |
| #include "tfa_internal.h" |
| |
| #include "tfa98xx_tfafieldnames.h" |
| |
| static enum Tfa98xx_Error tfa9887_specific(Tfa98xx_handle_t handle) |
| { |
| enum Tfa98xx_Error error = Tfa98xx_Error_Ok; |
| int result; |
| |
| if (!tfa98xx_handle_is_open(handle)) |
| return Tfa98xx_Error_NotOpen; |
| |
| /* all i2C registers are already set to default */ |
| |
| result = TFA_SET_BF(handle, AMPE, 1); |
| if (result < 0) |
| return -result; |
| |
| /* some other registers must be set for optimal amplifier behaviour */ |
| tfa98xx_write_register16(handle, 0x05, 0x13AB); |
| tfa98xx_write_register16(handle, 0x06, 0x001F); |
| tfa98xx_write_register16(handle, 0x08, 0x3C4E); |
| /*TFA98XX_SYSCTRL_DCA=0*/ |
| tfa98xx_write_register16(handle, 0x09, 0x024D); |
| tfa98xx_write_register16(handle, 0x0A, 0x3EC3); |
| tfa98xx_write_register16(handle, 0x41, 0x0308); |
| error = tfa98xx_write_register16(handle, 0x49, 0x0E82); |
| |
| return error; |
| } |
| |
| /* |
| * register device specifics functions |
| */ |
| void tfa9887_ops(struct tfa_device_ops *ops) { |
| ops->tfa_init=tfa9887_specific; |
| } |