diff options
Diffstat (limited to 'sound_card_init/amp/src/max98373d/dsm_param.rs')
| -rw-r--r-- | sound_card_init/amp/src/max98373d/dsm_param.rs | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/sound_card_init/amp/src/max98373d/dsm_param.rs b/sound_card_init/amp/src/max98373d/dsm_param.rs deleted file mode 100644 index d9257522..00000000 --- a/sound_card_init/amp/src/max98373d/dsm_param.rs +++ /dev/null @@ -1,211 +0,0 @@ -// Copyright 2020 The Chromium OS Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. -use std::mem; - -use cros_alsa::{Card, TLV}; -use sof_sys::sof_abi_hdr; - -use dsm::{self, Error, Result}; - -/// Amp volume mode enumeration used by set_volume(). -#[derive(Copy, Clone, PartialEq)] -pub enum VolumeMode { - /// Low mode protects the speaker by limiting its output volume if the - /// calibration has not been completed successfully. - Low = 0x1009B9CF, - /// High mode removes the speaker output volume limitation after - /// having successfully completed the calibration. - High = 0x20000000, -} - -#[derive(Copy, Clone)] -/// Calibration mode enumeration. -pub enum CalibMode { - ON = 0x4, - OFF = 0x1, -} - -#[derive(Copy, Clone)] -/// Smart pilot signal mode mode enumeration. -pub enum SPTMode { - ON = 0x1, - OFF = 0x0, -} - -#[derive(Copy, Clone)] -/// DSM Parem field enumeration. -enum DsmAPI { - ParamCount = 0x0, - CalibMode = 0x1, - MakeupGain = 0x5, - DsmRdc = 0x6, - DsmAmbientTemp = 0x8, - AdaptiveRdc = 0x12, - SPTMode = 0x68, -} - -#[derive(Debug)] -/// It implements functions to access the `DSMParam` fields. -pub struct DSMParam { - param_count: usize, - num_channels: usize, - tlv: TLV, -} - -impl DSMParam { - const DWORD_PER_PARAM: usize = 2; - const VALUE_OFFSET: usize = 1; - const SOF_HEADER_SIZE: usize = mem::size_of::<sof_abi_hdr>() / mem::size_of::<i32>(); - - /// Creates an `DSMParam`. - /// # Arguments - /// - /// * `card` - `&Card`. - /// * `num_channels` - number of channels. - /// * `ctl_name` - the mixer control name to access the DSM param. - /// - /// # Results - /// - /// * `DSMParam` - It is initialized by the content of the given byte control . - /// - /// # Errors - /// - /// * If `Card` creation from sound card name fails. - pub fn new(card: &mut Card, num_channels: usize, ctl_name: &str) -> Result<Self> { - let tlv = card.control_tlv_by_name(ctl_name)?.load()?; - Self::try_from_tlv(tlv, num_channels) - } - - /// Sets DSMParam to the given calibration mode. - pub fn set_calibration_mode(&mut self, mode: CalibMode) { - for channel in 0..self.num_channels { - self.set(channel, DsmAPI::CalibMode, mode as i32); - } - } - - /// Sets DSMParam to the given smart pilot signal mode. - pub fn set_spt_mode(&mut self, mode: SPTMode) { - for channel in 0..self.num_channels { - self.set(channel, DsmAPI::SPTMode, mode as i32); - } - } - - /// Sets DSMParam to the given VolumeMode. - pub fn set_volume_mode(&mut self, mode: VolumeMode) { - for channel in 0..self.num_channels { - self.set(channel, DsmAPI::MakeupGain, mode as i32); - } - } - - /// Reads the calibrated rdc from DSMParam. - pub fn get_adaptive_rdc(&self) -> Vec<i32> { - self.get(DsmAPI::AdaptiveRdc) - } - - /// Sets DSMParam to the given the calibrated rdc. - pub fn set_rdc(&mut self, ch: usize, rdc: i32) { - self.set(ch, DsmAPI::DsmRdc, rdc); - } - - /// Sets DSMParam to the given calibrated temp. - pub fn set_ambient_temp(&mut self, ch: usize, temp: i32) { - self.set(ch, DsmAPI::DsmAmbientTemp, temp); - } - - /// Sets the `id` field to the given `val`. - fn set(&mut self, channel: usize, id: DsmAPI, val: i32) { - let pos = Self::value_pos(self.param_count, channel, id); - self.tlv[pos] = val as u32; - } - - /// Gets the val from the `id` field from all the channels. - fn get(&self, id: DsmAPI) -> Vec<i32> { - (0..self.num_channels) - .map(|channel| { - let pos = Self::value_pos(self.param_count, channel, id); - self.tlv[pos] as i32 - }) - .collect() - } - - fn try_from_tlv(tlv: TLV, num_channels: usize) -> Result<Self> { - let param_count_pos = Self::value_pos(0, 0, DsmAPI::ParamCount); - - if tlv.len() < param_count_pos { - return Err(Error::InvalidDSMParam); - } - - let param_count = tlv[param_count_pos] as usize; - - if tlv.len() != Self::SOF_HEADER_SIZE + param_count * num_channels * Self::DWORD_PER_PARAM { - return Err(Error::InvalidDSMParam); - } - - Ok(Self { - param_count, - num_channels, - tlv, - }) - } - - #[inline] - fn value_pos(param_count: usize, channel: usize, id: DsmAPI) -> usize { - Self::SOF_HEADER_SIZE - + (channel * param_count + id as usize) * Self::DWORD_PER_PARAM - + Self::VALUE_OFFSET - } -} - -impl Into<TLV> for DSMParam { - fn into(self) -> TLV { - self.tlv - } -} - -#[cfg(test)] -mod tests { - use super::*; - const PARAM_COUNT: usize = 138; - const CHANNEL_COUNT: usize = 2; - - #[test] - fn test_dsmparam_try_from_tlv_ok() { - let mut data = vec![ - 0u32; - DSMParam::SOF_HEADER_SIZE - + CHANNEL_COUNT * PARAM_COUNT * DSMParam::DWORD_PER_PARAM - ]; - data[DSMParam::value_pos(PARAM_COUNT, 0, DsmAPI::ParamCount)] = PARAM_COUNT as u32; - data[DSMParam::value_pos(PARAM_COUNT, 1, DsmAPI::ParamCount)] = PARAM_COUNT as u32; - - let tlv = TLV::new(0, data); - assert!(DSMParam::try_from_tlv(tlv, CHANNEL_COUNT).is_ok()); - } - - #[test] - fn test_dsmparam_try_from_invalid_len() { - let data = vec![0u32; DSMParam::SOF_HEADER_SIZE]; - - let tlv = TLV::new(0, data); - assert_eq!( - DSMParam::try_from_tlv(tlv, CHANNEL_COUNT).unwrap_err(), - Error::InvalidDSMParam - ); - } - - #[test] - fn test_dsmparam_try_from_param_count() { - let data = vec![ - 0u32; - DSMParam::SOF_HEADER_SIZE - + CHANNEL_COUNT * PARAM_COUNT * DSMParam::DWORD_PER_PARAM - ]; - - let tlv = TLV::new(0, data); - assert_eq!( - DSMParam::try_from_tlv(tlv, CHANNEL_COUNT).unwrap_err(), - Error::InvalidDSMParam - ); - } -} |