diff options
Diffstat (limited to 'sound/soc/tegra/tegra20_das.h')
| -rw-r--r-- | sound/soc/tegra/tegra20_das.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/sound/soc/tegra/tegra20_das.h b/sound/soc/tegra/tegra20_das.h deleted file mode 100644 index 16b95b770a1d..000000000000 --- a/sound/soc/tegra/tegra20_das.h +++ /dev/null @@ -1,120 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * tegra20_das.h - Definitions for Tegra20 DAS driver - * - * Author: Stephen Warren <swarren@nvidia.com> - * Copyright (C) 2010,2012 - NVIDIA, Inc. - */ - -#ifndef __TEGRA20_DAS_H__ -#define __TEGRA20_DAS_H__ - -/* Register TEGRA20_DAS_DAP_CTRL_SEL */ -#define TEGRA20_DAS_DAP_CTRL_SEL 0x00 -#define TEGRA20_DAS_DAP_CTRL_SEL_COUNT 5 -#define TEGRA20_DAS_DAP_CTRL_SEL_STRIDE 4 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P 31 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_S 1 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P 30 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_S 1 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P 29 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_S 1 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P 0 -#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_S 5 - -/* Values for field TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL */ -#define TEGRA20_DAS_DAP_SEL_DAC1 0 -#define TEGRA20_DAS_DAP_SEL_DAC2 1 -#define TEGRA20_DAS_DAP_SEL_DAC3 2 -#define TEGRA20_DAS_DAP_SEL_DAP1 16 -#define TEGRA20_DAS_DAP_SEL_DAP2 17 -#define TEGRA20_DAS_DAP_SEL_DAP3 18 -#define TEGRA20_DAS_DAP_SEL_DAP4 19 -#define TEGRA20_DAS_DAP_SEL_DAP5 20 - -/* Register TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL */ -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL 0x40 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT 3 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE 4 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P 28 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_S 4 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P 24 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_S 4 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P 0 -#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_S 4 - -/* - * Values for: - * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL - * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL - * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL - */ -#define TEGRA20_DAS_DAC_SEL_DAP1 0 -#define TEGRA20_DAS_DAC_SEL_DAP2 1 -#define TEGRA20_DAS_DAC_SEL_DAP3 2 -#define TEGRA20_DAS_DAC_SEL_DAP4 3 -#define TEGRA20_DAS_DAC_SEL_DAP5 4 - -/* - * Names/IDs of the DACs/DAPs. - */ - -#define TEGRA20_DAS_DAP_ID_1 0 -#define TEGRA20_DAS_DAP_ID_2 1 -#define TEGRA20_DAS_DAP_ID_3 2 -#define TEGRA20_DAS_DAP_ID_4 3 -#define TEGRA20_DAS_DAP_ID_5 4 - -#define TEGRA20_DAS_DAC_ID_1 0 -#define TEGRA20_DAS_DAC_ID_2 1 -#define TEGRA20_DAS_DAC_ID_3 2 - -struct tegra20_das { - struct device *dev; - struct regmap *regmap; -}; - -/* - * Terminology: - * DAS: Digital audio switch (HW module controlled by this driver) - * DAP: Digital audio port (port/pins on Tegra device) - * DAC: Digital audio controller (e.g. I2S or AC97 controller elsewhere) - * - * The Tegra DAS is a mux/cross-bar which can connect each DAP to a specific - * DAC, or another DAP. When DAPs are connected, one must be the master and - * one the slave. Each DAC allows selection of a specific DAP for input, to - * cater for the case where N DAPs are connected to 1 DAC for broadcast - * output. - * - * This driver is dumb; no attempt is made to ensure that a valid routing - * configuration is programmed. - */ - -/* - * Connect a DAP to to a DAC - * dap_id: DAP to connect: TEGRA20_DAS_DAP_ID_* - * dac_sel: DAC to connect to: TEGRA20_DAS_DAP_SEL_DAC* - */ -extern int tegra20_das_connect_dap_to_dac(int dap_id, int dac_sel); - -/* - * Connect a DAP to to another DAP - * dap_id: DAP to connect: TEGRA20_DAS_DAP_ID_* - * other_dap_sel: DAP to connect to: TEGRA20_DAS_DAP_SEL_DAP* - * master: Is this DAP the master (1) or slave (0) - * sdata1rx: Is this DAP's SDATA1 pin RX (1) or TX (0) - * sdata2rx: Is this DAP's SDATA2 pin RX (1) or TX (0) - */ -extern int tegra20_das_connect_dap_to_dap(int dap_id, int other_dap_sel, - int master, int sdata1rx, - int sdata2rx); - -/* - * Connect a DAC's input to a DAP - * (DAC outputs are selected by the DAP) - * dac_id: DAC ID to connect: TEGRA20_DAS_DAC_ID_* - * dap_sel: DAP to receive input from: TEGRA20_DAS_DAC_SEL_DAP* - */ -extern int tegra20_das_connect_dac_to_dap(int dac_id, int dap_sel); - -#endif |