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dsp: afe: add interface to update dp audio stream index

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For DP audio Multi Stream Transport, add an interface
to set DP controller and DP stream index for display
port audio AFE port.

Change-Id: I6efbb6937a7849e5840a93541961414eb9049863
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani 2018-05-03 18:26:21 -07:00 • committed by Gerrit - the friendly Code Review server
parent 65538ee5e9
commit 16b697200c
3 changed files with 93 additions and 1 deletions
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79
dsp/q6afe.c
View file

@ -5674,6 +5674,85 @@ int afe_sidetone_enable(u16 tx_port_id, u16 rx_port_id, bool enable)
return ret;
}
/**
* afe_set_display_stream - command to update AFE dp port params
*
* @rx_port_id: AFE port id
* @stream_idx: dp controller stream index
* @ctl_idx: dp controller index
*
* Returns 0 on success, appropriate error code otherwise
*/
int afe_set_display_stream(u16 rx_port_id, u32 stream_idx, u32 ctl_idx)
{
int ret;
struct param_hdr_v3 param_hdr;
u32 packed_param_size = 0;
u8 *packed_param_data = NULL;
struct afe_display_stream_idx stream_data;
struct afe_display_ctl_idx ctl_data;
u32 single_param_size = 0;
memset(&param_hdr, 0, sizeof(param_hdr));
memset(&stream_data, 0, sizeof(stream_data));
memset(&ctl_data, 0, sizeof(ctl_data));
packed_param_size =
sizeof(param_hdr) * 2 + sizeof(stream_data) + sizeof(ctl_data);
packed_param_data = kzalloc(packed_param_size, GFP_KERNEL);
if (!packed_param_data)
return -ENOMEM;
packed_param_size = 0;
/* Set stream index */
param_hdr.module_id = AFE_MODULE_AUDIO_DEV_INTERFACE;
param_hdr.instance_id = INSTANCE_ID_0;
param_hdr.param_id = AFE_PARAM_ID_HDMI_DP_MST_VID_IDX_CFG;
param_hdr.param_size = sizeof(struct afe_display_stream_idx);
stream_data.minor_version = 1;
stream_data.stream_idx = stream_idx;
ret = q6common_pack_pp_params(packed_param_data, &param_hdr,
(u8 *) &stream_data, &single_param_size);
if (ret) {
pr_err("%s: Failed to pack param data, error %d\n", __func__,
ret);
goto done;
}
packed_param_size += single_param_size;
/* Set controller dptx index */
param_hdr.module_id = AFE_MODULE_AUDIO_DEV_INTERFACE;
param_hdr.instance_id = INSTANCE_ID_0;
param_hdr.param_id = AFE_PARAM_ID_HDMI_DPTX_IDX_CFG;
param_hdr.param_size = sizeof(struct afe_display_ctl_idx);
ctl_data.minor_version = 1;
ctl_data.ctl_idx = ctl_idx;
ret = q6common_pack_pp_params(packed_param_data + packed_param_size,
&param_hdr, (u8 *) &ctl_data,
&single_param_size);
if (ret) {
pr_err("%s: Failed to pack param data, error %d\n", __func__,
ret);
goto done;
}
packed_param_size += single_param_size;
pr_debug("%s: rx(0x%x) stream(%d) controller(%d)\n",
__func__, rx_port_id, stream_idx, ctl_idx);
ret = q6afe_set_params(rx_port_id, q6audio_get_port_index(rx_port_id),
NULL, packed_param_data, packed_param_size);
if (ret)
pr_err("%s: AFE display stream send failed for rx_port:%d ret:%d\n",
__func__, rx_port_id, ret);
done:
kfree(packed_param_data);
return ret;
}
EXPORT_SYMBOL(afe_set_display_stream);
int afe_validate_port(u16 port_id)
{
int ret;

14
include/dsp/apr_audio-v2.h
View file

@ -1726,6 +1726,16 @@ struct afe_loopback_sidetone_gain {
u16 gain;
} __packed;
struct afe_display_stream_idx {
u32 minor_version;
u32 stream_idx;
} __packed;
struct afe_display_ctl_idx {
u32 minor_version;
u32 ctl_idx;
} __packed;
struct loopback_cfg_data {
u32 loopback_cfg_minor_version;
/* Minor version used for tracking the version of the RMC module
@ -2477,7 +2487,9 @@ struct afe_param_id_digi_mic_cfg {
} __packed;
/* This param id is used to configure HDMI interface */
#define AFE_PARAM_ID_HDMI_CONFIG 0x00010210
#define AFE_PARAM_ID_HDMI_CONFIG 0x00010210
#define AFE_PARAM_ID_HDMI_DP_MST_VID_IDX_CFG 0x000102b5
#define AFE_PARAM_ID_HDMI_DPTX_IDX_CFG 0x000102b6
/* This version information is used to handle the new
* additions to the config interface in future in backward

1
include/dsp/q6afe-v2.h
View file

@ -286,6 +286,7 @@ int afe_open(u16 port_id, union afe_port_config *afe_config, int rate);
int afe_close(int port_id);
int afe_loopback(u16 enable, u16 rx_port, u16 tx_port);
int afe_sidetone_enable(u16 tx_port_id, u16 rx_port_id, bool enable);
int afe_set_display_stream(u16 rx_port_id, u32 stream_idx, u32 ctl_idx);
int afe_loopback_gain(u16 port_id, u16 volume);
int afe_validate_port(u16 port_id);
int afe_get_port_index(u16 port_id);