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linux/sound/soc/qcom/qdsp6/q6afe.c
Srinivas Kandagatla dea1ffbeea
ASoC: qdsp6: qdafe: add support to tdm ports 
This patch adds support to tdm ports in AFE.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-05-29 15:34:23 +01:00

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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
// Copyright (c) 2018, Linaro Limited
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/uaccess.h>
#include <linux/wait.h>
#include <linux/jiffies.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/kref.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/soc/qcom/apr.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "q6dsp-errno.h"
#include "q6core.h"
#include "q6afe.h"
/* AFE CMDs */
#define AFE_PORT_CMD_DEVICE_START 0x000100E5
#define AFE_PORT_CMD_DEVICE_STOP 0x000100E6
#define AFE_PORT_CMD_SET_PARAM_V2 0x000100EF
#define AFE_SVC_CMD_SET_PARAM 0x000100f3
#define AFE_PORT_CMDRSP_GET_PARAM_V2 0x00010106
#define AFE_PARAM_ID_HDMI_CONFIG 0x00010210
#define AFE_MODULE_AUDIO_DEV_INTERFACE 0x0001020C
#define AFE_MODULE_TDM 0x0001028A
#define AFE_PARAM_ID_CDC_SLIMBUS_SLAVE_CFG 0x00010235
#define AFE_PARAM_ID_LPAIF_CLK_CONFIG 0x00010238
#define AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG 0x00010239
#define AFE_PARAM_ID_SLIMBUS_CONFIG 0x00010212
#define AFE_PARAM_ID_I2S_CONFIG 0x0001020D
#define AFE_PARAM_ID_TDM_CONFIG 0x0001029D
#define AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG 0x00010297
/* I2S config specific */
#define AFE_API_VERSION_I2S_CONFIG 0x1
#define AFE_PORT_I2S_SD0 0x1
#define AFE_PORT_I2S_SD1 0x2
#define AFE_PORT_I2S_SD2 0x3
#define AFE_PORT_I2S_SD3 0x4
#define AFE_PORT_I2S_SD0_MASK BIT(0x1)
#define AFE_PORT_I2S_SD1_MASK BIT(0x2)
#define AFE_PORT_I2S_SD2_MASK BIT(0x3)
#define AFE_PORT_I2S_SD3_MASK BIT(0x4)
#define AFE_PORT_I2S_SD0_1_MASK GENMASK(2, 1)
#define AFE_PORT_I2S_SD2_3_MASK GENMASK(4, 3)
#define AFE_PORT_I2S_SD0_1_2_MASK GENMASK(3, 1)
#define AFE_PORT_I2S_SD0_1_2_3_MASK GENMASK(4, 1)
#define AFE_PORT_I2S_QUAD01 0x5
#define AFE_PORT_I2S_QUAD23 0x6
#define AFE_PORT_I2S_6CHS 0x7
#define AFE_PORT_I2S_8CHS 0x8
#define AFE_PORT_I2S_MONO 0x0
#define AFE_PORT_I2S_STEREO 0x1
#define AFE_PORT_CONFIG_I2S_WS_SRC_EXTERNAL 0x0
#define AFE_PORT_CONFIG_I2S_WS_SRC_INTERNAL 0x1
#define AFE_LINEAR_PCM_DATA 0x0
/* Port IDs */
#define AFE_API_VERSION_HDMI_CONFIG 0x1
#define AFE_PORT_ID_MULTICHAN_HDMI_RX 0x100E
#define AFE_API_VERSION_SLIMBUS_CONFIG 0x1
/* Clock set API version */
#define AFE_API_VERSION_CLOCK_SET 1
#define Q6AFE_LPASS_CLK_CONFIG_API_VERSION 0x1
#define AFE_MODULE_CLOCK_SET 0x0001028F
#define AFE_PARAM_ID_CLOCK_SET 0x00010290
/* SLIMbus Rx port on channel 0. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX 0x4000
/* SLIMbus Tx port on channel 0. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_TX 0x4001
/* SLIMbus Rx port on channel 1. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX 0x4002
/* SLIMbus Tx port on channel 1. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_TX 0x4003
/* SLIMbus Rx port on channel 2. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX 0x4004
/* SLIMbus Tx port on channel 2. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_TX 0x4005
/* SLIMbus Rx port on channel 3. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX 0x4006
/* SLIMbus Tx port on channel 3. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_TX 0x4007
/* SLIMbus Rx port on channel 4. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX 0x4008
/* SLIMbus Tx port on channel 4. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_TX 0x4009
/* SLIMbus Rx port on channel 5. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX 0x400a
/* SLIMbus Tx port on channel 5. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_TX 0x400b
/* SLIMbus Rx port on channel 6. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX 0x400c
/* SLIMbus Tx port on channel 6. */
#define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_TX 0x400d
#define AFE_PORT_ID_PRIMARY_MI2S_RX 0x1000
#define AFE_PORT_ID_PRIMARY_MI2S_TX 0x1001
#define AFE_PORT_ID_SECONDARY_MI2S_RX 0x1002
#define AFE_PORT_ID_SECONDARY_MI2S_TX 0x1003
#define AFE_PORT_ID_TERTIARY_MI2S_RX 0x1004
#define AFE_PORT_ID_TERTIARY_MI2S_TX 0x1005
#define AFE_PORT_ID_QUATERNARY_MI2S_RX 0x1006
#define AFE_PORT_ID_QUATERNARY_MI2S_TX 0x1007
/* Start of the range of port IDs for TDM devices. */
#define AFE_PORT_ID_TDM_PORT_RANGE_START 0x9000
/* End of the range of port IDs for TDM devices. */
#define AFE_PORT_ID_TDM_PORT_RANGE_END \
(AFE_PORT_ID_TDM_PORT_RANGE_START+0x50-1)
/* Size of the range of port IDs for TDM ports. */
#define AFE_PORT_ID_TDM_PORT_RANGE_SIZE \
(AFE_PORT_ID_TDM_PORT_RANGE_END - \
AFE_PORT_ID_TDM_PORT_RANGE_START+1)
#define AFE_PORT_ID_PRIMARY_TDM_RX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x00)
#define AFE_PORT_ID_PRIMARY_TDM_RX_1 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x02)
#define AFE_PORT_ID_PRIMARY_TDM_RX_2 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x04)
#define AFE_PORT_ID_PRIMARY_TDM_RX_3 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x06)
#define AFE_PORT_ID_PRIMARY_TDM_RX_4 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x08)
#define AFE_PORT_ID_PRIMARY_TDM_RX_5 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x0A)
#define AFE_PORT_ID_PRIMARY_TDM_RX_6 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x0C)
#define AFE_PORT_ID_PRIMARY_TDM_RX_7 \
(AFE_PORT_ID_PRIMARY_TDM_RX + 0x0E)
#define AFE_PORT_ID_PRIMARY_TDM_TX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x01)
#define AFE_PORT_ID_PRIMARY_TDM_TX_1 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x02)
#define AFE_PORT_ID_PRIMARY_TDM_TX_2 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x04)
#define AFE_PORT_ID_PRIMARY_TDM_TX_3 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x06)
#define AFE_PORT_ID_PRIMARY_TDM_TX_4 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x08)
#define AFE_PORT_ID_PRIMARY_TDM_TX_5 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x0A)
#define AFE_PORT_ID_PRIMARY_TDM_TX_6 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x0C)
#define AFE_PORT_ID_PRIMARY_TDM_TX_7 \
(AFE_PORT_ID_PRIMARY_TDM_TX + 0x0E)
#define AFE_PORT_ID_SECONDARY_TDM_RX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x10)
#define AFE_PORT_ID_SECONDARY_TDM_RX_1 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x02)
#define AFE_PORT_ID_SECONDARY_TDM_RX_2 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x04)
#define AFE_PORT_ID_SECONDARY_TDM_RX_3 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x06)
#define AFE_PORT_ID_SECONDARY_TDM_RX_4 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x08)
#define AFE_PORT_ID_SECONDARY_TDM_RX_5 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x0A)
#define AFE_PORT_ID_SECONDARY_TDM_RX_6 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x0C)
#define AFE_PORT_ID_SECONDARY_TDM_RX_7 \
(AFE_PORT_ID_SECONDARY_TDM_RX + 0x0E)
#define AFE_PORT_ID_SECONDARY_TDM_TX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x11)
#define AFE_PORT_ID_SECONDARY_TDM_TX_1 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x02)
#define AFE_PORT_ID_SECONDARY_TDM_TX_2 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x04)
#define AFE_PORT_ID_SECONDARY_TDM_TX_3 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x06)
#define AFE_PORT_ID_SECONDARY_TDM_TX_4 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x08)
#define AFE_PORT_ID_SECONDARY_TDM_TX_5 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x0A)
#define AFE_PORT_ID_SECONDARY_TDM_TX_6 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x0C)
#define AFE_PORT_ID_SECONDARY_TDM_TX_7 \
(AFE_PORT_ID_SECONDARY_TDM_TX + 0x0E)
#define AFE_PORT_ID_TERTIARY_TDM_RX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x20)
#define AFE_PORT_ID_TERTIARY_TDM_RX_1 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x02)
#define AFE_PORT_ID_TERTIARY_TDM_RX_2 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x04)
#define AFE_PORT_ID_TERTIARY_TDM_RX_3 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x06)
#define AFE_PORT_ID_TERTIARY_TDM_RX_4 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x08)
#define AFE_PORT_ID_TERTIARY_TDM_RX_5 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x0A)
#define AFE_PORT_ID_TERTIARY_TDM_RX_6 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x0C)
#define AFE_PORT_ID_TERTIARY_TDM_RX_7 \
(AFE_PORT_ID_TERTIARY_TDM_RX + 0x0E)
#define AFE_PORT_ID_TERTIARY_TDM_TX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x21)
#define AFE_PORT_ID_TERTIARY_TDM_TX_1 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x02)
#define AFE_PORT_ID_TERTIARY_TDM_TX_2 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x04)
#define AFE_PORT_ID_TERTIARY_TDM_TX_3 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x06)
#define AFE_PORT_ID_TERTIARY_TDM_TX_4 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x08)
#define AFE_PORT_ID_TERTIARY_TDM_TX_5 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x0A)
#define AFE_PORT_ID_TERTIARY_TDM_TX_6 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x0C)
#define AFE_PORT_ID_TERTIARY_TDM_TX_7 \
(AFE_PORT_ID_TERTIARY_TDM_TX + 0x0E)
#define AFE_PORT_ID_QUATERNARY_TDM_RX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x30)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_1 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x02)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_2 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x04)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_3 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x06)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_4 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x08)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_5 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0A)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_6 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0C)
#define AFE_PORT_ID_QUATERNARY_TDM_RX_7 \
(AFE_PORT_ID_QUATERNARY_TDM_RX + 0x0E)
#define AFE_PORT_ID_QUATERNARY_TDM_TX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x31)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_1 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x02)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_2 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x04)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_3 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x06)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_4 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x08)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_5 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0A)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_6 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0C)
#define AFE_PORT_ID_QUATERNARY_TDM_TX_7 \
(AFE_PORT_ID_QUATERNARY_TDM_TX + 0x0E)
#define AFE_PORT_ID_QUINARY_TDM_RX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x40)
#define AFE_PORT_ID_QUINARY_TDM_RX_1 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x02)
#define AFE_PORT_ID_QUINARY_TDM_RX_2 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x04)
#define AFE_PORT_ID_QUINARY_TDM_RX_3 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x06)
#define AFE_PORT_ID_QUINARY_TDM_RX_4 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x08)
#define AFE_PORT_ID_QUINARY_TDM_RX_5 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x0A)
#define AFE_PORT_ID_QUINARY_TDM_RX_6 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x0C)
#define AFE_PORT_ID_QUINARY_TDM_RX_7 \
(AFE_PORT_ID_QUINARY_TDM_RX + 0x0E)
#define AFE_PORT_ID_QUINARY_TDM_TX \
(AFE_PORT_ID_TDM_PORT_RANGE_START + 0x41)
#define AFE_PORT_ID_QUINARY_TDM_TX_1 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x02)
#define AFE_PORT_ID_QUINARY_TDM_TX_2 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x04)
#define AFE_PORT_ID_QUINARY_TDM_TX_3 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x06)
#define AFE_PORT_ID_QUINARY_TDM_TX_4 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x08)
#define AFE_PORT_ID_QUINARY_TDM_TX_5 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x0A)
#define AFE_PORT_ID_QUINARY_TDM_TX_6 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x0C)
#define AFE_PORT_ID_QUINARY_TDM_TX_7 \
(AFE_PORT_ID_QUINARY_TDM_TX + 0x0E)
#define Q6AFE_LPASS_MODE_CLK1_VALID 1
#define Q6AFE_LPASS_MODE_CLK2_VALID 2
#define Q6AFE_LPASS_CLK_SRC_INTERNAL 1
#define Q6AFE_LPASS_CLK_ROOT_DEFAULT 0
#define AFE_API_VERSION_TDM_CONFIG 1
#define AFE_API_VERSION_SLOT_MAPPING_CONFIG 1
#define TIMEOUT_MS 1000
#define AFE_CMD_RESP_AVAIL 0
#define AFE_CMD_RESP_NONE 1
struct q6afe {
struct apr_device *apr;
struct device *dev;
struct q6core_svc_api_info ainfo;
struct mutex lock;
struct list_head port_list;
spinlock_t port_list_lock;
struct platform_device *pdev_dais;
};
struct afe_port_cmd_device_start {
u16 port_id;
u16 reserved;
} __packed;
struct afe_port_cmd_device_stop {
u16 port_id;
u16 reserved;
/* Reserved for 32-bit alignment. This field must be set to 0.*/
} __packed;
struct afe_port_param_data_v2 {
u32 module_id;
u32 param_id;
u16 param_size;
u16 reserved;
} __packed;
struct afe_svc_cmd_set_param {
uint32_t payload_size;
uint32_t payload_address_lsw;
uint32_t payload_address_msw;
uint32_t mem_map_handle;
} __packed;
struct afe_port_cmd_set_param_v2 {
u16 port_id;
u16 payload_size;
u32 payload_address_lsw;
u32 payload_address_msw;
u32 mem_map_handle;
} __packed;
struct afe_param_id_hdmi_multi_chan_audio_cfg {
u32 hdmi_cfg_minor_version;
u16 datatype;
u16 channel_allocation;
u32 sample_rate;
u16 bit_width;
u16 reserved;
} __packed;
struct afe_param_id_slimbus_cfg {
u32 sb_cfg_minor_version;
/* Minor version used for tracking the version of the SLIMBUS
* configuration interface.
* Supported values: #AFE_API_VERSION_SLIMBUS_CONFIG
*/
u16 slimbus_dev_id;
/* SLIMbus hardware device ID, which is required to handle
* multiple SLIMbus hardware blocks.
* Supported values: - #AFE_SLIMBUS_DEVICE_1 - #AFE_SLIMBUS_DEVICE_2
*/
u16 bit_width;
/* Bit width of the sample.
* Supported values: 16, 24
*/
u16 data_format;
/* Data format supported by the SLIMbus hardware. The default is
* 0 (#AFE_SB_DATA_FORMAT_NOT_INDICATED), which indicates the
* hardware does not perform any format conversions before the data
* transfer.
*/
u16 num_channels;
/* Number of channels.
* Supported values: 1 to #AFE_PORT_MAX_AUDIO_CHAN_CNT
*/
u8 shared_ch_mapping[AFE_PORT_MAX_AUDIO_CHAN_CNT];
/* Mapping of shared channel IDs (128 to 255) to which the
* master port is to be connected.
* Shared_channel_mapping[i] represents the shared channel assigned
* for audio channel i in multichannel audio data.
*/
u32 sample_rate;
/* Sampling rate of the port.
* Supported values:
* - #AFE_PORT_SAMPLE_RATE_8K
* - #AFE_PORT_SAMPLE_RATE_16K
* - #AFE_PORT_SAMPLE_RATE_48K
* - #AFE_PORT_SAMPLE_RATE_96K
* - #AFE_PORT_SAMPLE_RATE_192K
*/
} __packed;
struct afe_clk_cfg {
u32 i2s_cfg_minor_version;
u32 clk_val1;
u32 clk_val2;
u16 clk_src;
u16 clk_root;
u16 clk_set_mode;
u16 reserved;
} __packed;
struct afe_digital_clk_cfg {
u32 i2s_cfg_minor_version;
u32 clk_val;
u16 clk_root;
u16 reserved;
} __packed;
struct afe_param_id_i2s_cfg {
u32 i2s_cfg_minor_version;
u16 bit_width;
u16 channel_mode;
u16 mono_stereo;
u16 ws_src;
u32 sample_rate;
u16 data_format;
u16 reserved;
} __packed;
struct afe_param_id_tdm_cfg {
u32 tdm_cfg_minor_version;
u32 num_channels;
u32 sample_rate;
u32 bit_width;
u16 data_format;
u16 sync_mode;
u16 sync_src;
u16 nslots_per_frame;
u16 ctrl_data_out_enable;
u16 ctrl_invert_sync_pulse;
u16 ctrl_sync_data_delay;
u16 slot_width;
u32 slot_mask;
} __packed;
union afe_port_config {
struct afe_param_id_hdmi_multi_chan_audio_cfg hdmi_multi_ch;
struct afe_param_id_slimbus_cfg slim_cfg;
struct afe_param_id_i2s_cfg i2s_cfg;
struct afe_param_id_tdm_cfg tdm_cfg;
} __packed;
struct afe_clk_set {
uint32_t clk_set_minor_version;
uint32_t clk_id;
uint32_t clk_freq_in_hz;
uint16_t clk_attri;
uint16_t clk_root;
uint32_t enable;
};
struct afe_param_id_slot_mapping_cfg {
u32 minor_version;
u16 num_channels;
u16 bitwidth;
u32 data_align_type;
u16 ch_mapping[AFE_PORT_MAX_AUDIO_CHAN_CNT];
} __packed;
struct q6afe_port {
wait_queue_head_t wait;
union afe_port_config port_cfg;
struct afe_param_id_slot_mapping_cfg *scfg;
struct aprv2_ibasic_rsp_result_t result;
int token;
int id;
int cfg_type;
struct q6afe *afe;
struct kref refcount;
struct list_head node;
};
struct afe_port_map {
int port_id;
int token;
int is_rx;
int is_dig_pcm;
};
/*
* Mapping between Virtual Port IDs to DSP AFE Port ID
* On B Family SoCs DSP Port IDs are consistent across multiple SoCs
* on A Family SoCs DSP port IDs are same as virtual Port IDs.
*/
static struct afe_port_map port_maps[AFE_PORT_MAX] = {
[HDMI_RX] = { AFE_PORT_ID_MULTICHAN_HDMI_RX, HDMI_RX, 1, 1},
[SLIMBUS_0_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX,
SLIMBUS_0_RX, 1, 1},
[SLIMBUS_1_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX,
SLIMBUS_1_RX, 1, 1},
[SLIMBUS_2_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX,
SLIMBUS_2_RX, 1, 1},
[SLIMBUS_3_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX,
SLIMBUS_3_RX, 1, 1},
[SLIMBUS_4_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX,
SLIMBUS_4_RX, 1, 1},
[SLIMBUS_5_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX,
SLIMBUS_5_RX, 1, 1},
[SLIMBUS_6_RX] = { AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX,
SLIMBUS_6_RX, 1, 1},
[PRIMARY_MI2S_RX] = { AFE_PORT_ID_PRIMARY_MI2S_RX,
PRIMARY_MI2S_RX, 1, 1},
[PRIMARY_MI2S_TX] = { AFE_PORT_ID_PRIMARY_MI2S_TX,
PRIMARY_MI2S_RX, 0, 1},
[SECONDARY_MI2S_RX] = { AFE_PORT_ID_SECONDARY_MI2S_RX,
SECONDARY_MI2S_RX, 1, 1},
[SECONDARY_MI2S_TX] = { AFE_PORT_ID_SECONDARY_MI2S_TX,
SECONDARY_MI2S_TX, 0, 1},
[TERTIARY_MI2S_RX] = { AFE_PORT_ID_TERTIARY_MI2S_RX,
TERTIARY_MI2S_RX, 1, 1},
[TERTIARY_MI2S_TX] = { AFE_PORT_ID_TERTIARY_MI2S_TX,
TERTIARY_MI2S_TX, 0, 1},
[QUATERNARY_MI2S_RX] = { AFE_PORT_ID_QUATERNARY_MI2S_RX,
QUATERNARY_MI2S_RX, 1, 1},
[QUATERNARY_MI2S_TX] = { AFE_PORT_ID_QUATERNARY_MI2S_TX,
QUATERNARY_MI2S_TX, 0, 1},
[PRIMARY_TDM_RX_0] = { AFE_PORT_ID_PRIMARY_TDM_RX,
PRIMARY_TDM_RX_0, 1, 1},
[PRIMARY_TDM_TX_0] = { AFE_PORT_ID_PRIMARY_TDM_TX,
PRIMARY_TDM_TX_0, 0, 1},
[PRIMARY_TDM_RX_1] = { AFE_PORT_ID_PRIMARY_TDM_RX_1,
PRIMARY_TDM_RX_1, 1, 1},
[PRIMARY_TDM_TX_1] = { AFE_PORT_ID_PRIMARY_TDM_TX_1,
PRIMARY_TDM_TX_1, 0, 1},
[PRIMARY_TDM_RX_2] = { AFE_PORT_ID_PRIMARY_TDM_RX_2,
PRIMARY_TDM_RX_2, 1, 1},
[PRIMARY_TDM_TX_2] = { AFE_PORT_ID_PRIMARY_TDM_TX_2,
PRIMARY_TDM_TX_2, 0, 1},
[PRIMARY_TDM_RX_3] = { AFE_PORT_ID_PRIMARY_TDM_RX_3,
PRIMARY_TDM_RX_3, 1, 1},
[PRIMARY_TDM_TX_3] = { AFE_PORT_ID_PRIMARY_TDM_TX_3,
PRIMARY_TDM_TX_3, 0, 1},
[PRIMARY_TDM_RX_4] = { AFE_PORT_ID_PRIMARY_TDM_RX_4,
PRIMARY_TDM_RX_4, 1, 1},
[PRIMARY_TDM_TX_4] = { AFE_PORT_ID_PRIMARY_TDM_TX_4,
PRIMARY_TDM_TX_4, 0, 1},
[PRIMARY_TDM_RX_5] = { AFE_PORT_ID_PRIMARY_TDM_RX_5,
PRIMARY_TDM_RX_5, 1, 1},
[PRIMARY_TDM_TX_5] = { AFE_PORT_ID_PRIMARY_TDM_TX_5,
PRIMARY_TDM_TX_5, 0, 1},
[PRIMARY_TDM_RX_6] = { AFE_PORT_ID_PRIMARY_TDM_RX_6,
PRIMARY_TDM_RX_6, 1, 1},
[PRIMARY_TDM_TX_6] = { AFE_PORT_ID_PRIMARY_TDM_TX_6,
PRIMARY_TDM_TX_6, 0, 1},
[PRIMARY_TDM_RX_7] = { AFE_PORT_ID_PRIMARY_TDM_RX_7,
PRIMARY_TDM_RX_7, 1, 1},
[PRIMARY_TDM_TX_7] = { AFE_PORT_ID_PRIMARY_TDM_TX_7,
PRIMARY_TDM_TX_7, 0, 1},
[SECONDARY_TDM_RX_0] = { AFE_PORT_ID_SECONDARY_TDM_RX,
SECONDARY_TDM_RX_0, 1, 1},
[SECONDARY_TDM_TX_0] = { AFE_PORT_ID_SECONDARY_TDM_TX,
SECONDARY_TDM_TX_0, 0, 1},
[SECONDARY_TDM_RX_1] = { AFE_PORT_ID_SECONDARY_TDM_RX_1,
SECONDARY_TDM_RX_1, 1, 1},
[SECONDARY_TDM_TX_1] = { AFE_PORT_ID_SECONDARY_TDM_TX_1,
SECONDARY_TDM_TX_1, 0, 1},
[SECONDARY_TDM_RX_2] = { AFE_PORT_ID_SECONDARY_TDM_RX_2,
SECONDARY_TDM_RX_2, 1, 1},
[SECONDARY_TDM_TX_2] = { AFE_PORT_ID_SECONDARY_TDM_TX_2,
SECONDARY_TDM_TX_2, 0, 1},
[SECONDARY_TDM_RX_3] = { AFE_PORT_ID_SECONDARY_TDM_RX_3,
SECONDARY_TDM_RX_3, 1, 1},
[SECONDARY_TDM_TX_3] = { AFE_PORT_ID_SECONDARY_TDM_TX_3,
SECONDARY_TDM_TX_3, 0, 1},
[SECONDARY_TDM_RX_4] = { AFE_PORT_ID_SECONDARY_TDM_RX_4,
SECONDARY_TDM_RX_4, 1, 1},
[SECONDARY_TDM_TX_4] = { AFE_PORT_ID_SECONDARY_TDM_TX_4,
SECONDARY_TDM_TX_4, 0, 1},
[SECONDARY_TDM_RX_5] = { AFE_PORT_ID_SECONDARY_TDM_RX_5,
SECONDARY_TDM_RX_5, 1, 1},
[SECONDARY_TDM_TX_5] = { AFE_PORT_ID_SECONDARY_TDM_TX_5,
SECONDARY_TDM_TX_5, 0, 1},
[SECONDARY_TDM_RX_6] = { AFE_PORT_ID_SECONDARY_TDM_RX_6,
SECONDARY_TDM_RX_6, 1, 1},
[SECONDARY_TDM_TX_6] = { AFE_PORT_ID_SECONDARY_TDM_TX_6,
SECONDARY_TDM_TX_6, 0, 1},
[SECONDARY_TDM_RX_7] = { AFE_PORT_ID_SECONDARY_TDM_RX_7,
SECONDARY_TDM_RX_7, 1, 1},
[SECONDARY_TDM_TX_7] = { AFE_PORT_ID_SECONDARY_TDM_TX_7,
SECONDARY_TDM_TX_7, 0, 1},
[TERTIARY_TDM_RX_0] = { AFE_PORT_ID_TERTIARY_TDM_RX,
TERTIARY_TDM_RX_0, 1, 1},
[TERTIARY_TDM_TX_0] = { AFE_PORT_ID_TERTIARY_TDM_TX,
TERTIARY_TDM_TX_0, 0, 1},
[TERTIARY_TDM_RX_1] = { AFE_PORT_ID_TERTIARY_TDM_RX_1,
TERTIARY_TDM_RX_1, 1, 1},
[TERTIARY_TDM_TX_1] = { AFE_PORT_ID_TERTIARY_TDM_TX_1,
TERTIARY_TDM_TX_1, 0, 1},
[TERTIARY_TDM_RX_2] = { AFE_PORT_ID_TERTIARY_TDM_RX_2,
TERTIARY_TDM_RX_2, 1, 1},
[TERTIARY_TDM_TX_2] = { AFE_PORT_ID_TERTIARY_TDM_TX_2,
TERTIARY_TDM_TX_2, 0, 1},
[TERTIARY_TDM_RX_3] = { AFE_PORT_ID_TERTIARY_TDM_RX_3,
TERTIARY_TDM_RX_3, 1, 1},
[TERTIARY_TDM_TX_3] = { AFE_PORT_ID_TERTIARY_TDM_TX_3,
TERTIARY_TDM_TX_3, 0, 1},
[TERTIARY_TDM_RX_4] = { AFE_PORT_ID_TERTIARY_TDM_RX_4,
TERTIARY_TDM_RX_4, 1, 1},
[TERTIARY_TDM_TX_4] = { AFE_PORT_ID_TERTIARY_TDM_TX_4,
TERTIARY_TDM_TX_4, 0, 1},
[TERTIARY_TDM_RX_5] = { AFE_PORT_ID_TERTIARY_TDM_RX_5,
TERTIARY_TDM_RX_5, 1, 1},
[TERTIARY_TDM_TX_5] = { AFE_PORT_ID_TERTIARY_TDM_TX_5,
TERTIARY_TDM_TX_5, 0, 1},
[TERTIARY_TDM_RX_6] = { AFE_PORT_ID_TERTIARY_TDM_RX_6,
TERTIARY_TDM_RX_6, 1, 1},
[TERTIARY_TDM_TX_6] = { AFE_PORT_ID_TERTIARY_TDM_TX_6,
TERTIARY_TDM_TX_6, 0, 1},
[TERTIARY_TDM_RX_7] = { AFE_PORT_ID_TERTIARY_TDM_RX_7,
TERTIARY_TDM_RX_7, 1, 1},
[TERTIARY_TDM_TX_7] = { AFE_PORT_ID_TERTIARY_TDM_TX_7,
TERTIARY_TDM_TX_7, 0, 1},
[QUATERNARY_TDM_RX_0] = { AFE_PORT_ID_QUATERNARY_TDM_RX,
QUATERNARY_TDM_RX_0, 1, 1},
[QUATERNARY_TDM_TX_0] = { AFE_PORT_ID_QUATERNARY_TDM_TX,
QUATERNARY_TDM_TX_0, 0, 1},
[QUATERNARY_TDM_RX_1] = { AFE_PORT_ID_QUATERNARY_TDM_RX_1,
QUATERNARY_TDM_RX_1, 1, 1},
[QUATERNARY_TDM_TX_1] = { AFE_PORT_ID_QUATERNARY_TDM_TX_1,
QUATERNARY_TDM_TX_1, 0, 1},
[QUATERNARY_TDM_RX_2] = { AFE_PORT_ID_QUATERNARY_TDM_RX_2,
QUATERNARY_TDM_RX_2, 1, 1},
[QUATERNARY_TDM_TX_2] = { AFE_PORT_ID_QUATERNARY_TDM_TX_2,
QUATERNARY_TDM_TX_2, 0, 1},
[QUATERNARY_TDM_RX_3] = { AFE_PORT_ID_QUATERNARY_TDM_RX_3,
QUATERNARY_TDM_RX_3, 1, 1},
[QUATERNARY_TDM_TX_3] = { AFE_PORT_ID_QUATERNARY_TDM_TX_3,
QUATERNARY_TDM_TX_3, 0, 1},
[QUATERNARY_TDM_RX_4] = { AFE_PORT_ID_QUATERNARY_TDM_RX_4,
QUATERNARY_TDM_RX_4, 1, 1},
[QUATERNARY_TDM_TX_4] = { AFE_PORT_ID_QUATERNARY_TDM_TX_4,
QUATERNARY_TDM_TX_4, 0, 1},
[QUATERNARY_TDM_RX_5] = { AFE_PORT_ID_QUATERNARY_TDM_RX_5,
QUATERNARY_TDM_RX_5, 1, 1},
[QUATERNARY_TDM_TX_5] = { AFE_PORT_ID_QUATERNARY_TDM_TX_5,
QUATERNARY_TDM_TX_5, 0, 1},
[QUATERNARY_TDM_RX_6] = { AFE_PORT_ID_QUATERNARY_TDM_RX_6,
QUATERNARY_TDM_RX_6, 1, 1},
[QUATERNARY_TDM_TX_6] = { AFE_PORT_ID_QUATERNARY_TDM_TX_6,
QUATERNARY_TDM_TX_6, 0, 1},
[QUATERNARY_TDM_RX_7] = { AFE_PORT_ID_QUATERNARY_TDM_RX_7,
QUATERNARY_TDM_RX_7, 1, 1},
[QUATERNARY_TDM_TX_7] = { AFE_PORT_ID_QUATERNARY_TDM_TX_7,
QUATERNARY_TDM_TX_7, 0, 1},
[QUINARY_TDM_RX_0] = { AFE_PORT_ID_QUINARY_TDM_RX,
QUINARY_TDM_RX_0, 1, 1},
[QUINARY_TDM_TX_0] = { AFE_PORT_ID_QUINARY_TDM_TX,
QUINARY_TDM_TX_0, 0, 1},
[QUINARY_TDM_RX_1] = { AFE_PORT_ID_QUINARY_TDM_RX_1,
QUINARY_TDM_RX_1, 1, 1},
[QUINARY_TDM_TX_1] = { AFE_PORT_ID_QUINARY_TDM_TX_1,
QUINARY_TDM_TX_1, 0, 1},
[QUINARY_TDM_RX_2] = { AFE_PORT_ID_QUINARY_TDM_RX_2,
QUINARY_TDM_RX_2, 1, 1},
[QUINARY_TDM_TX_2] = { AFE_PORT_ID_QUINARY_TDM_TX_2,
QUINARY_TDM_TX_2, 0, 1},
[QUINARY_TDM_RX_3] = { AFE_PORT_ID_QUINARY_TDM_RX_3,
QUINARY_TDM_RX_3, 1, 1},
[QUINARY_TDM_TX_3] = { AFE_PORT_ID_QUINARY_TDM_TX_3,
QUINARY_TDM_TX_3, 0, 1},
[QUINARY_TDM_RX_4] = { AFE_PORT_ID_QUINARY_TDM_RX_4,
QUINARY_TDM_RX_4, 1, 1},
[QUINARY_TDM_TX_4] = { AFE_PORT_ID_QUINARY_TDM_TX_4,
QUINARY_TDM_TX_4, 0, 1},
[QUINARY_TDM_RX_5] = { AFE_PORT_ID_QUINARY_TDM_RX_5,
QUINARY_TDM_RX_5, 1, 1},
[QUINARY_TDM_TX_5] = { AFE_PORT_ID_QUINARY_TDM_TX_5,
QUINARY_TDM_TX_5, 0, 1},
[QUINARY_TDM_RX_6] = { AFE_PORT_ID_QUINARY_TDM_RX_6,
QUINARY_TDM_RX_6, 1, 1},
[QUINARY_TDM_TX_6] = { AFE_PORT_ID_QUINARY_TDM_TX_6,
QUINARY_TDM_TX_6, 0, 1},
[QUINARY_TDM_RX_7] = { AFE_PORT_ID_QUINARY_TDM_RX_7,
QUINARY_TDM_RX_7, 1, 1},
[QUINARY_TDM_TX_7] = { AFE_PORT_ID_QUINARY_TDM_TX_7,
QUINARY_TDM_TX_7, 0, 1},
};
static void q6afe_port_free(struct kref *ref)
{
struct q6afe_port *port;
struct q6afe *afe;
unsigned long flags;
port = container_of(ref, struct q6afe_port, refcount);
afe = port->afe;
spin_lock_irqsave(&afe->port_list_lock, flags);
list_del(&port->node);
spin_unlock_irqrestore(&afe->port_list_lock, flags);
kfree(port->scfg);
kfree(port);
}
static struct q6afe_port *q6afe_find_port(struct q6afe *afe, int token)
{
struct q6afe_port *p = NULL;
struct q6afe_port *ret = NULL;
unsigned long flags;
spin_lock_irqsave(&afe->port_list_lock, flags);
list_for_each_entry(p, &afe->port_list, node)
if (p->token == token) {
ret = p;
kref_get(&p->refcount);
break;
}
spin_unlock_irqrestore(&afe->port_list_lock, flags);
return ret;
}
static int q6afe_callback(struct apr_device *adev, struct apr_resp_pkt *data)
{
struct q6afe *afe = dev_get_drvdata(&adev->dev);
struct aprv2_ibasic_rsp_result_t *res;
struct apr_hdr *hdr = &data->hdr;
struct q6afe_port *port;
if (!data->payload_size)
return 0;
res = data->payload;
switch (hdr->opcode) {
case APR_BASIC_RSP_RESULT: {
if (res->status) {
dev_err(afe->dev, "cmd = 0x%x returned error = 0x%x\n",
res->opcode, res->status);
}
switch (res->opcode) {
case AFE_PORT_CMD_SET_PARAM_V2:
case AFE_PORT_CMD_DEVICE_STOP:
case AFE_PORT_CMD_DEVICE_START:
case AFE_SVC_CMD_SET_PARAM:
port = q6afe_find_port(afe, hdr->token);
if (port) {
port->result = *res;
wake_up(&port->wait);
kref_put(&port->refcount, q6afe_port_free);
}
break;
default:
dev_err(afe->dev, "Unknown cmd 0x%x\n", res->opcode);
break;
}
}
break;
default:
break;
}
return 0;
}
/**
* q6afe_get_port_id() - Get port id from a given port index
*
* @index: port index
*
* Return: Will be an negative on error or valid port_id on success
*/
int q6afe_get_port_id(int index)
{
if (index < 0 || index > AFE_PORT_MAX)
return -EINVAL;
return port_maps[index].port_id;
}
EXPORT_SYMBOL_GPL(q6afe_get_port_id);
static int afe_apr_send_pkt(struct q6afe *afe, struct apr_pkt *pkt,
struct q6afe_port *port)
{
wait_queue_head_t *wait = &port->wait;
struct apr_hdr *hdr = &pkt->hdr;
int ret;
mutex_lock(&afe->lock);
port->result.opcode = 0;
port->result.status = 0;
ret = apr_send_pkt(afe->apr, pkt);
if (ret < 0) {
dev_err(afe->dev, "packet not transmitted (%d)\n", ret);
ret = -EINVAL;
goto err;
}
ret = wait_event_timeout(*wait, (port->result.opcode == hdr->opcode),
msecs_to_jiffies(TIMEOUT_MS));
if (!ret) {
ret = -ETIMEDOUT;
} else if (port->result.status > 0) {
dev_err(afe->dev, "DSP returned error[%x]\n",
port->result.status);
ret = -EINVAL;
} else {
ret = 0;
}
err:
mutex_unlock(&afe->lock);
return ret;
}
static int q6afe_port_set_param(struct q6afe_port *port, void *data,
int param_id, int module_id, int psize)
{
struct afe_svc_cmd_set_param *param;
struct afe_port_param_data_v2 *pdata;
struct q6afe *afe = port->afe;
struct apr_pkt *pkt;
u16 port_id = port->id;
int ret, pkt_size;
void *p, *pl;
pkt_size = APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata) + psize;
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
param = p + APR_HDR_SIZE;
pdata = p + APR_HDR_SIZE + sizeof(*param);
pl = p + APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata);
memcpy(pl, data, psize);
pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE),
APR_PKT_VER);
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.token = port->token;
pkt->hdr.opcode = AFE_SVC_CMD_SET_PARAM;
param->payload_size = sizeof(*pdata) + psize;
param->payload_address_lsw = 0x00;
param->payload_address_msw = 0x00;
param->mem_map_handle = 0x00;
pdata->module_id = module_id;
pdata->param_id = param_id;
pdata->param_size = psize;
ret = afe_apr_send_pkt(afe, pkt, port);
if (ret)
dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
port_id, ret);
kfree(pkt);
return ret;
}
static int q6afe_port_set_param_v2(struct q6afe_port *port, void *data,
int param_id, int module_id, int psize)
{
struct afe_port_cmd_set_param_v2 *param;
struct afe_port_param_data_v2 *pdata;
struct q6afe *afe = port->afe;
struct apr_pkt *pkt;
u16 port_id = port->id;
int ret, pkt_size;
void *p, *pl;
pkt_size = APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata) + psize;
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
param = p + APR_HDR_SIZE;
pdata = p + APR_HDR_SIZE + sizeof(*param);
pl = p + APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata);
memcpy(pl, data, psize);
pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE),
APR_PKT_VER);
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.token = port->token;
pkt->hdr.opcode = AFE_PORT_CMD_SET_PARAM_V2;
param->port_id = port_id;
param->payload_size = sizeof(*pdata) + psize;
param->payload_address_lsw = 0x00;
param->payload_address_msw = 0x00;
param->mem_map_handle = 0x00;
pdata->module_id = module_id;
pdata->param_id = param_id;
pdata->param_size = psize;
ret = afe_apr_send_pkt(afe, pkt, port);
if (ret)
dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
port_id, ret);
kfree(pkt);
return ret;
}
static int q6afe_set_lpass_clock(struct q6afe_port *port,
struct afe_clk_cfg *cfg)
{
return q6afe_port_set_param_v2(port, cfg,
AFE_PARAM_ID_LPAIF_CLK_CONFIG,
AFE_MODULE_AUDIO_DEV_INTERFACE,
sizeof(*cfg));
}
static int q6afe_set_lpass_clock_v2(struct q6afe_port *port,
struct afe_clk_set *cfg)
{
return q6afe_port_set_param(port, cfg, AFE_PARAM_ID_CLOCK_SET,
AFE_MODULE_CLOCK_SET, sizeof(*cfg));
}
static int q6afe_set_digital_codec_core_clock(struct q6afe_port *port,
struct afe_digital_clk_cfg *cfg)
{
return q6afe_port_set_param_v2(port, cfg,
AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG,
AFE_MODULE_AUDIO_DEV_INTERFACE,
sizeof(*cfg));
}
int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id,
int clk_src, int clk_root,
unsigned int freq, int dir)
{
struct afe_clk_cfg ccfg = {0,};
struct afe_clk_set cset = {0,};
struct afe_digital_clk_cfg dcfg = {0,};
int ret;
switch (clk_id) {
case LPAIF_DIG_CLK:
dcfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
dcfg.clk_val = freq;
dcfg.clk_root = clk_root;
ret = q6afe_set_digital_codec_core_clock(port, &dcfg);
break;
case LPAIF_BIT_CLK:
ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
ccfg.clk_val1 = freq;
ccfg.clk_src = clk_src;
ccfg.clk_root = clk_root;
ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK1_VALID;
ret = q6afe_set_lpass_clock(port, &ccfg);
break;
case LPAIF_OSR_CLK:
ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
ccfg.clk_val2 = freq;
ccfg.clk_src = clk_src;
ccfg.clk_root = clk_root;
ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK2_VALID;
ret = q6afe_set_lpass_clock(port, &ccfg);
break;
case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_QUI_MI2S_OSR:
case Q6AFE_LPASS_CLK_ID_MCLK_1 ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1:
case Q6AFE_LPASS_CLK_ID_PRI_TDM_IBIT ... Q6AFE_LPASS_CLK_ID_QUIN_TDM_EBIT:
cset.clk_set_minor_version = AFE_API_VERSION_CLOCK_SET;
cset.clk_id = clk_id;
cset.clk_freq_in_hz = freq;
cset.clk_attri = clk_src;
cset.clk_root = clk_root;
cset.enable = !!freq;
ret = q6afe_set_lpass_clock_v2(port, &cset);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(q6afe_port_set_sysclk);
/**
* q6afe_port_stop() - Stop a afe port
*
* @port: Instance of port to stop
*
* Return: Will be an negative on packet size on success.
*/
int q6afe_port_stop(struct q6afe_port *port)
{
struct afe_port_cmd_device_stop *stop;
struct q6afe *afe = port->afe;
struct apr_pkt *pkt;
int port_id = port->id;
int ret = 0;
int index, pkt_size;
void *p;
port_id = port->id;
index = port->token;
if (index < 0 || index > AFE_PORT_MAX) {
dev_err(afe->dev, "AFE port index[%d] invalid!\n", index);
return -EINVAL;
}
pkt_size = APR_HDR_SIZE + sizeof(*stop);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
stop = p + APR_HDR_SIZE;
pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE),
APR_PKT_VER);
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.token = index;
pkt->hdr.opcode = AFE_PORT_CMD_DEVICE_STOP;
stop->port_id = port_id;
stop->reserved = 0;
ret = afe_apr_send_pkt(afe, pkt, port);
if (ret)
dev_err(afe->dev, "AFE close failed %d\n", ret);
kfree(pkt);
return ret;
}
EXPORT_SYMBOL_GPL(q6afe_port_stop);
/**
* q6afe_slim_port_prepare() - Prepare slim afe port.
*
* @port: Instance of afe port
* @cfg: SLIM configuration for the afe port
*
*/
void q6afe_slim_port_prepare(struct q6afe_port *port,
struct q6afe_slim_cfg *cfg)
{
union afe_port_config *pcfg = &port->port_cfg;
pcfg->slim_cfg.sb_cfg_minor_version = AFE_API_VERSION_SLIMBUS_CONFIG;
pcfg->slim_cfg.sample_rate = cfg->sample_rate;
pcfg->slim_cfg.bit_width = cfg->bit_width;
pcfg->slim_cfg.num_channels = cfg->num_channels;
pcfg->slim_cfg.data_format = cfg->data_format;
pcfg->slim_cfg.shared_ch_mapping[0] = cfg->ch_mapping[0];
pcfg->slim_cfg.shared_ch_mapping[1] = cfg->ch_mapping[1];
pcfg->slim_cfg.shared_ch_mapping[2] = cfg->ch_mapping[2];
pcfg->slim_cfg.shared_ch_mapping[3] = cfg->ch_mapping[3];
}
EXPORT_SYMBOL_GPL(q6afe_slim_port_prepare);
/**
* q6afe_tdm_port_prepare() - Prepare tdm afe port.
*
* @port: Instance of afe port
* @cfg: TDM configuration for the afe port
*
*/
void q6afe_tdm_port_prepare(struct q6afe_port *port,
struct q6afe_tdm_cfg *cfg)
{
union afe_port_config *pcfg = &port->port_cfg;
pcfg->tdm_cfg.tdm_cfg_minor_version = AFE_API_VERSION_TDM_CONFIG;
pcfg->tdm_cfg.num_channels = cfg->num_channels;
pcfg->tdm_cfg.sample_rate = cfg->sample_rate;
pcfg->tdm_cfg.bit_width = cfg->bit_width;
pcfg->tdm_cfg.data_format = cfg->data_format;
pcfg->tdm_cfg.sync_mode = cfg->sync_mode;
pcfg->tdm_cfg.sync_src = cfg->sync_src;
pcfg->tdm_cfg.nslots_per_frame = cfg->nslots_per_frame;
pcfg->tdm_cfg.slot_width = cfg->slot_width;
pcfg->tdm_cfg.slot_mask = cfg->slot_mask;
port->scfg = kzalloc(sizeof(*port->scfg), GFP_KERNEL);
if (!port->scfg)
return;
port->scfg->minor_version = AFE_API_VERSION_SLOT_MAPPING_CONFIG;
port->scfg->num_channels = cfg->num_channels;
port->scfg->bitwidth = cfg->bit_width;
port->scfg->data_align_type = cfg->data_align_type;
memcpy(port->scfg->ch_mapping, cfg->ch_mapping,
sizeof(u16) * AFE_PORT_MAX_AUDIO_CHAN_CNT);
}
EXPORT_SYMBOL_GPL(q6afe_tdm_port_prepare);
/**
* q6afe_hdmi_port_prepare() - Prepare hdmi afe port.
*
* @port: Instance of afe port
* @cfg: HDMI configuration for the afe port
*
*/
void q6afe_hdmi_port_prepare(struct q6afe_port *port,
struct q6afe_hdmi_cfg *cfg)
{
union afe_port_config *pcfg = &port->port_cfg;
pcfg->hdmi_multi_ch.hdmi_cfg_minor_version =
AFE_API_VERSION_HDMI_CONFIG;
pcfg->hdmi_multi_ch.datatype = cfg->datatype;
pcfg->hdmi_multi_ch.channel_allocation = cfg->channel_allocation;
pcfg->hdmi_multi_ch.sample_rate = cfg->sample_rate;
pcfg->hdmi_multi_ch.bit_width = cfg->bit_width;
}
EXPORT_SYMBOL_GPL(q6afe_hdmi_port_prepare);
/**
* q6afe_i2s_port_prepare() - Prepare i2s afe port.
*
* @port: Instance of afe port
* @cfg: I2S configuration for the afe port
* Return: Will be an negative on error and zero on success.
*/
int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg)
{
union afe_port_config *pcfg = &port->port_cfg;
struct device *dev = port->afe->dev;
int num_sd_lines;
pcfg->i2s_cfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG;
pcfg->i2s_cfg.sample_rate = cfg->sample_rate;
pcfg->i2s_cfg.bit_width = cfg->bit_width;
pcfg->i2s_cfg.data_format = AFE_LINEAR_PCM_DATA;
switch (cfg->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
pcfg->i2s_cfg.ws_src = AFE_PORT_CONFIG_I2S_WS_SRC_INTERNAL;
break;
case SND_SOC_DAIFMT_CBM_CFM:
/* CPU is slave */
pcfg->i2s_cfg.ws_src = AFE_PORT_CONFIG_I2S_WS_SRC_EXTERNAL;
break;
default:
break;
}
num_sd_lines = hweight_long(cfg->sd_line_mask);
switch (num_sd_lines) {
case 0:
dev_err(dev, "no line is assigned\n");
return -EINVAL;
case 1:
switch (cfg->sd_line_mask) {
case AFE_PORT_I2S_SD0_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD0;
break;
case AFE_PORT_I2S_SD1_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD1;
break;
case AFE_PORT_I2S_SD2_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD2;
break;
case AFE_PORT_I2S_SD3_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD3;
break;
default:
dev_err(dev, "Invalid SD lines\n");
return -EINVAL;
}
break;
case 2:
switch (cfg->sd_line_mask) {
case AFE_PORT_I2S_SD0_1_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_QUAD01;
break;
case AFE_PORT_I2S_SD2_3_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_QUAD23;
break;
default:
dev_err(dev, "Invalid SD lines\n");
return -EINVAL;
}
break;
case 3:
switch (cfg->sd_line_mask) {
case AFE_PORT_I2S_SD0_1_2_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_6CHS;
break;
default:
dev_err(dev, "Invalid SD lines\n");
return -EINVAL;
}
break;
case 4:
switch (cfg->sd_line_mask) {
case AFE_PORT_I2S_SD0_1_2_3_MASK:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_8CHS;
break;
default:
dev_err(dev, "Invalid SD lines\n");
return -EINVAL;
}
break;
default:
dev_err(dev, "Invalid SD lines\n");
return -EINVAL;
}
switch (cfg->num_channels) {
case 1:
case 2:
switch (pcfg->i2s_cfg.channel_mode) {
case AFE_PORT_I2S_QUAD01:
case AFE_PORT_I2S_6CHS:
case AFE_PORT_I2S_8CHS:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD0;
break;
case AFE_PORT_I2S_QUAD23:
pcfg->i2s_cfg.channel_mode = AFE_PORT_I2S_SD2;
break;
}
if (cfg->num_channels == 2)
pcfg->i2s_cfg.mono_stereo = AFE_PORT_I2S_STEREO;
else
pcfg->i2s_cfg.mono_stereo = AFE_PORT_I2S_MONO;
break;
case 3:
case 4:
if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_QUAD01) {
dev_err(dev, "Invalid Channel mode\n");
return -EINVAL;
}
break;
case 5:
case 6:
if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_6CHS) {
dev_err(dev, "Invalid Channel mode\n");
return -EINVAL;
}
break;
case 7:
case 8:
if (pcfg->i2s_cfg.channel_mode < AFE_PORT_I2S_8CHS) {
dev_err(dev, "Invalid Channel mode\n");
return -EINVAL;
}
break;
default:
break;
}
return 0;
}
EXPORT_SYMBOL_GPL(q6afe_i2s_port_prepare);
/**
* q6afe_port_start() - Start a afe port
*
* @port: Instance of port to start
*
* Return: Will be an negative on packet size on success.
*/
int q6afe_port_start(struct q6afe_port *port)
{
struct afe_port_cmd_device_start *start;
struct q6afe *afe = port->afe;
int port_id = port->id;
int ret, param_id = port->cfg_type;
struct apr_pkt *pkt;
int pkt_size;
void *p;
ret = q6afe_port_set_param_v2(port, &port->port_cfg, param_id,
AFE_MODULE_AUDIO_DEV_INTERFACE,
sizeof(port->port_cfg));
if (ret) {
dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
port_id, ret);
return ret;
}
if (port->scfg) {
ret = q6afe_port_set_param_v2(port, port->scfg,
AFE_PARAM_ID_PORT_SLOT_MAPPING_CONFIG,
AFE_MODULE_TDM, sizeof(*port->scfg));
if (ret) {
dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
port_id, ret);
return ret;
}
}
pkt_size = APR_HDR_SIZE + sizeof(*start);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
start = p + APR_HDR_SIZE;
pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(APR_HDR_SIZE),
APR_PKT_VER);
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.token = port->token;
pkt->hdr.opcode = AFE_PORT_CMD_DEVICE_START;
start->port_id = port_id;
ret = afe_apr_send_pkt(afe, pkt, port);
if (ret)
dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n",
port_id, ret);
kfree(pkt);
return ret;
}
EXPORT_SYMBOL_GPL(q6afe_port_start);
/**
* q6afe_port_get_from_id() - Get port instance from a port id
*
* @dev: Pointer to afe child device.
* @id: port id
*
* Return: Will be an error pointer on error or a valid afe port
* on success.
*/
struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id)
{
int port_id;
struct q6afe *afe = dev_get_drvdata(dev->parent);
struct q6afe_port *port;
unsigned long flags;
int cfg_type;
if (id < 0 || id > AFE_PORT_MAX) {
dev_err(dev, "AFE port token[%d] invalid!\n", id);
return ERR_PTR(-EINVAL);
}
/* if port is multiple times bind/unbind before callback finishes */
port = q6afe_find_port(afe, id);
if (port) {
dev_err(dev, "AFE Port already open\n");
return port;
}
port_id = port_maps[id].port_id;
switch (port_id) {
case AFE_PORT_ID_MULTICHAN_HDMI_RX:
cfg_type = AFE_PARAM_ID_HDMI_CONFIG;
break;
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_2_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_3_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_4_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_5_RX:
case AFE_PORT_ID_SLIMBUS_MULTI_CHAN_6_RX:
cfg_type = AFE_PARAM_ID_SLIMBUS_CONFIG;
break;
case AFE_PORT_ID_PRIMARY_MI2S_RX:
case AFE_PORT_ID_PRIMARY_MI2S_TX:
case AFE_PORT_ID_SECONDARY_MI2S_RX:
case AFE_PORT_ID_SECONDARY_MI2S_TX:
case AFE_PORT_ID_TERTIARY_MI2S_RX:
case AFE_PORT_ID_TERTIARY_MI2S_TX:
case AFE_PORT_ID_QUATERNARY_MI2S_RX:
case AFE_PORT_ID_QUATERNARY_MI2S_TX:
cfg_type = AFE_PARAM_ID_I2S_CONFIG;
break;
case AFE_PORT_ID_PRIMARY_TDM_RX ... AFE_PORT_ID_QUINARY_TDM_TX_7:
cfg_type = AFE_PARAM_ID_TDM_CONFIG;
break;
default:
dev_err(dev, "Invalid port id 0x%x\n", port_id);
return ERR_PTR(-EINVAL);
}
port = kzalloc(sizeof(*port), GFP_KERNEL);
if (!port)
return ERR_PTR(-ENOMEM);
init_waitqueue_head(&port->wait);
port->token = id;
port->id = port_id;
port->afe = afe;
port->cfg_type = cfg_type;
kref_init(&port->refcount);
spin_lock_irqsave(&afe->port_list_lock, flags);
list_add_tail(&port->node, &afe->port_list);
spin_unlock_irqrestore(&afe->port_list_lock, flags);
return port;
}
EXPORT_SYMBOL_GPL(q6afe_port_get_from_id);
/**
* q6afe_port_put() - Release port reference
*
* @port: Instance of port to put
*/
void q6afe_port_put(struct q6afe_port *port)
{
kref_put(&port->refcount, q6afe_port_free);
}
EXPORT_SYMBOL_GPL(q6afe_port_put);
static int q6afe_probe(struct apr_device *adev)
{
struct q6afe *afe;
struct device *dev = &adev->dev;
struct device_node *dais_np;
afe = devm_kzalloc(dev, sizeof(*afe), GFP_KERNEL);
if (!afe)
return -ENOMEM;
q6core_get_svc_api_info(adev->svc_id, &afe->ainfo);
afe->apr = adev;
mutex_init(&afe->lock);
afe->dev = dev;
INIT_LIST_HEAD(&afe->port_list);
spin_lock_init(&afe->port_list_lock);
dev_set_drvdata(dev, afe);
dais_np = of_get_child_by_name(dev->of_node, "dais");
if (dais_np) {
afe->pdev_dais = of_platform_device_create(dais_np,
"q6afe-dai", dev);
of_node_put(dais_np);
}
return 0;
}
static int q6afe_remove(struct apr_device *adev)
{
struct q6afe *afe = dev_get_drvdata(&adev->dev);
if (afe->pdev_dais)
of_platform_device_destroy(&afe->pdev_dais->dev, NULL);
return 0;
}
static const struct of_device_id q6afe_device_id[] = {
{ .compatible = "qcom,q6afe" },
{},
};
MODULE_DEVICE_TABLE(of, q6afe_device_id);
static struct apr_driver qcom_q6afe_driver = {
.probe = q6afe_probe,
.remove = q6afe_remove,
.callback = q6afe_callback,
.driver = {
.name = "qcom-q6afe",
.of_match_table = of_match_ptr(q6afe_device_id),
},
};
module_apr_driver(qcom_q6afe_driver);
MODULE_DESCRIPTION("Q6 Audio Front End");
MODULE_LICENSE("GPL v2");
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