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Commit 8fd4a210 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: vote for LPASS core while access LPASS registers"

parents 8766446f cdd68dbe
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+25 −56
Original line number Diff line number Diff line
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
 */

#include <linux/kernel.h>
@@ -14,7 +14,6 @@
#include <linux/platform_device.h>
#include <dt-bindings/clock/qcom,audio-ext-clk.h>
#include <dsp/q6afe-v2.h>
#include <dsp/q6core.h>
#include "audio-ext-clk-up.h"

enum {
@@ -27,7 +26,7 @@ enum {
	AUDIO_EXT_CLK_LPASS5,
	AUDIO_EXT_CLK_LPASS6,
	AUDIO_EXT_CLK_LPASS7,
	AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND,
	AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE,
	AUDIO_EXT_CLK_LPASS_MAX,
	AUDIO_EXT_CLK_EXTERNAL_PLL = AUDIO_EXT_CLK_LPASS_MAX,
	AUDIO_EXT_CLK_MAX,
@@ -51,7 +50,7 @@ struct audio_ext_clk_priv {
	struct afe_clk_set clk_cfg;
	struct audio_ext_clk audio_clk;
	const char *clk_name;
	uint32_t npa_rsc_client_handle;
	uint32_t lpass_core_hwvote_client_handle;
};

static inline struct audio_ext_clk_priv *to_audio_clk(struct clk_hw *hw)
@@ -138,46 +137,40 @@ static u8 audio_ext_clk_get_parent(struct clk_hw *hw)
		return 0;
}

static int lpass_npa_rsc_prepare(struct clk_hw *hw)
static int lpass_hw_vote_prepare(struct clk_hw *hw)
{
	struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
	int ret;

	if ((clk_priv->clk_src >= AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) &&
		(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX))  {
		if (q6core_get_avcs_api_version_per_service(
		APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
			ret = q6core_request_island_transition(
				clk_priv->npa_rsc_client_handle, false);
	if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE)  {
		ret = afe_vote_lpass_core_hw(AFE_LPASS_CORE_HW_MACRO_BLOCK,
			"LPASS_HW_MACRO",
			&clk_priv->lpass_core_hwvote_client_handle);
		if (ret < 0) {
				pr_err("%s q6core_request_island_transition failed %d\n",
			pr_err("%s lpass core hw vote failed %d\n",
				__func__, ret);
			return ret;
		}
	}
	}

	return 0;
}

static void lpass_npa_rsc_unprepare(struct clk_hw *hw)
static void lpass_hw_vote_unprepare(struct clk_hw *hw)
{
	struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
	int ret = 0;

	if ((clk_priv->clk_src >= AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) &&
		(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX))  {
		if (q6core_get_avcs_api_version_per_service(
		APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
			ret = q6core_request_island_transition(
					clk_priv->npa_rsc_client_handle, true);
	if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE) {
		ret = afe_unvote_lpass_core_hw(
			AFE_LPASS_CORE_HW_MACRO_BLOCK,
			clk_priv->lpass_core_hwvote_client_handle);
		if (ret < 0) {
				pr_err("%s q6core_request_island_transition failed %d\n",
			pr_err("%s lpass core hw vote failed %d\n",
				__func__, ret);
		}
	}
}
}

static const struct clk_ops audio_ext_clk_ops = {
	.prepare = audio_ext_clk_prepare,
@@ -185,9 +178,9 @@ static const struct clk_ops audio_ext_clk_ops = {
	.get_parent = audio_ext_clk_get_parent,
};

static const struct clk_ops lpass_npa_rsc_ops = {
	.prepare = lpass_npa_rsc_prepare,
	.unprepare = lpass_npa_rsc_unprepare,
static const struct clk_ops lpass_hw_vote_ops = {
	.prepare = lpass_hw_vote_prepare,
	.unprepare = lpass_hw_vote_unprepare,
};

static const char * const audio_ext_pmi_div_clk[] = {
@@ -322,8 +315,8 @@ static struct audio_ext_clk audio_clk_array[] = {
		.pnctrl_info = {NULL},
		.fact = {
			.hw.init = &(struct clk_init_data){
				.name = "lpass_npa_rsc_island_clk",
				.ops = &lpass_npa_rsc_ops,
				.name = "lpass_hw_vote_clk",
				.ops = &lpass_hw_vote_ops,
			},
		},
	},
@@ -539,35 +532,11 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
		audio_put_pinctrl(pdev);
		return ret;
	}

	if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) {
		if (q6core_get_avcs_api_version_per_service(
		APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
			ret = q6core_create_lpass_npa_client(
				AVCS_SLEEP_NODE_ISLAND_TRANSITION_RESOURCE_ID,
				"lpass_npa_rsc_mgr",
				&clk_priv->npa_rsc_client_handle);
			if (ret) {
				dev_err(&pdev->dev, "%s: q6core_create_lpass_npa_client is failed %d\n",
					__func__, ret);
				audio_put_pinctrl(pdev);
				return ret;
			}
		}
	}
	return 0;
}

static int audio_ref_clk_remove(struct platform_device *pdev)
{
	struct audio_ext_clk_priv *clk_priv = platform_get_drvdata(pdev);

	if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) {
		if (q6core_get_avcs_api_version_per_service(
		APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4)
			q6core_destroy_lpass_npa_client(
					clk_priv->npa_rsc_client_handle);
	}
	audio_put_pinctrl(pdev);

	return 0;
+15 −15
Original line number Diff line number Diff line
@@ -949,7 +949,7 @@ static int bolero_probe(struct platform_device *pdev)
	struct bolero_priv *priv;
	u32 num_macros = 0;
	int ret;
	struct clk *lpass_npa_rsc_island = NULL;
	struct clk *lpass_core_hw_vote = NULL;

	priv = devm_kzalloc(&pdev->dev, sizeof(struct bolero_priv),
			    GFP_KERNEL);
@@ -998,16 +998,16 @@ static int bolero_probe(struct platform_device *pdev)
		  bolero_add_child_devices);
	schedule_work(&priv->bolero_add_child_devices_work);

	/* Register LPASS NPA resource */
	lpass_npa_rsc_island = devm_clk_get(&pdev->dev, "island_lpass_npa_rsc");
	if (IS_ERR(lpass_npa_rsc_island)) {
		ret = PTR_ERR(lpass_npa_rsc_island);
	/* Register LPASS core hw vote */
	lpass_core_hw_vote = devm_clk_get(&pdev->dev, "lpass_core_hw_vote");
	if (IS_ERR(lpass_core_hw_vote)) {
		ret = PTR_ERR(lpass_core_hw_vote);
		dev_dbg(&pdev->dev, "%s: clk get %s failed %d\n",
			__func__, "island_lpass_npa_rsc", ret);
		lpass_npa_rsc_island = NULL;
			__func__, "lpass_core_hw_vote", ret);
		lpass_core_hw_vote = NULL;
		ret = 0;
	}
	priv->lpass_npa_rsc_island = lpass_npa_rsc_island;
	priv->lpass_core_hw_vote = lpass_core_hw_vote;

	return 0;
}
@@ -1030,14 +1030,14 @@ int bolero_runtime_resume(struct device *dev)
	struct bolero_priv *priv = dev_get_drvdata(dev->parent);
	int ret = 0;

	if (priv->lpass_npa_rsc_island == NULL) {
		dev_dbg(dev, "%s: Invalid lpass npa rsc node\n", __func__);
	if (priv->lpass_core_hw_vote == NULL) {
		dev_dbg(dev, "%s: Invalid lpass core hw node\n", __func__);
		return 0;
	}

	ret = clk_prepare_enable(priv->lpass_npa_rsc_island);
	ret = clk_prepare_enable(priv->lpass_core_hw_vote);
	if (ret < 0)
		dev_err(dev, "%s:lpass npa rsc island enable failed\n",
		dev_err(dev, "%s:lpass core hw enable failed\n",
			__func__);

	pm_runtime_set_autosuspend_delay(priv->dev, BOLERO_AUTO_SUSPEND_DELAY);
@@ -1050,10 +1050,10 @@ int bolero_runtime_suspend(struct device *dev)
	struct bolero_priv *priv = dev_get_drvdata(dev->parent);

	mutex_lock(&priv->clk_lock);
	if (priv->lpass_npa_rsc_island != NULL)
		clk_disable_unprepare(priv->lpass_npa_rsc_island);
	if (priv->lpass_core_hw_vote != NULL)
		clk_disable_unprepare(priv->lpass_core_hw_vote);
	else
		dev_dbg(dev, "%s: Invalid lpass npa rsc node\n",
		dev_dbg(dev, "%s: Invalid lpass core hw node\n",
			__func__);
	mutex_unlock(&priv->clk_lock);
	return 0;
+2 −2
Original line number Diff line number Diff line
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
 */

#ifndef _BOLERO_INTERNAL_H
@@ -57,7 +57,7 @@ struct bolero_priv {
	u16 current_mclk_mux_macro[MAX_MACRO];
	struct work_struct bolero_add_child_devices_work;
	u32 version;
	struct clk *lpass_npa_rsc_island;
	struct clk *lpass_core_hw_vote;

	/* Entry for version info */
	struct snd_info_entry *entry;
+177 −0
Original line number Diff line number Diff line
@@ -92,6 +92,9 @@ struct afe_ctl {
	atomic_t status;
	wait_queue_head_t wait[AFE_MAX_PORTS];
	wait_queue_head_t wait_wakeup;
	struct task_struct *task;
	wait_queue_head_t lpass_core_hw_wait;
	uint32_t lpass_hw_core_client_hdl;
	void (*tx_cb)(uint32_t opcode,
		uint32_t token, uint32_t *payload, void *priv);
	void (*rx_cb)(uint32_t opcode,
@@ -555,6 +558,16 @@ static int32_t afe_callback(struct apr_client_data *data, void *priv)
			return -EINVAL;
	} else if (data->opcode == AFE_EVENT_MBHC_DETECTION_SW_WA) {
		msm_aud_evt_notifier_call_chain(SWR_WAKE_IRQ_EVENT, NULL);
	} else if (data->opcode ==
			AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST) {
		uint32_t *payload = data->payload;

		pr_debug("%s: AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST handle %d\n",
			__func__, payload[0]);
		this_afe.lpass_hw_core_client_hdl = payload[0];
		atomic_set(&this_afe.state, 0);
		atomic_set(&this_afe.status, 0);
		wake_up(&this_afe.lpass_core_hw_wait);
	} else if (data->payload_size) {
		uint32_t *payload;
		uint16_t port_id = 0;
@@ -635,6 +648,11 @@ static int32_t afe_callback(struct apr_client_data *data, void *priv)
				else
					return -EINVAL;
				break;
			case AFE_CMD_REMOTE_LPASS_CORE_HW_VOTE_REQUEST:
			case AFE_CMD_REMOTE_LPASS_CORE_HW_DEVOTE_REQUEST:
				atomic_set(&this_afe.state, 0);
				wake_up(&this_afe.lpass_core_hw_wait);
				break;
			case AFE_SVC_CMD_EVENT_CFG:
				atomic_set(&this_afe.state, payload[1]);
				wake_up(&this_afe.wait_wakeup);
@@ -8427,6 +8445,7 @@ int __init afe_init(void)
		init_waitqueue_head(&this_afe.wait[i]);
	}
	init_waitqueue_head(&this_afe.wait_wakeup);
	init_waitqueue_head(&this_afe.lpass_core_hw_wait);
	wakeup_source_init(&wl.ws, "spkr-prot");
	ret = afe_init_cal_data();
	if (ret)
@@ -8498,3 +8517,161 @@ int afe_cal_init_hwdep(void *card)
	return ret;
}
EXPORT_SYMBOL(afe_cal_init_hwdep);

/*
 * afe_vote_lpass_core_hw -
 *        Voting for lpass core hardware
 *
 * @hw_block_id: id of the hardware block
 * @client_name: client name
 * @client_handle: client handle
 *
 */
int afe_vote_lpass_core_hw(uint32_t hw_block_id, char *client_name,
			uint32_t *client_handle)
{
	struct afe_cmd_remote_lpass_core_hw_vote_request hw_vote_cfg;
	struct afe_cmd_remote_lpass_core_hw_vote_request *cmd_ptr =
						&hw_vote_cfg;
	int ret = 0;

	if (!client_handle) {
		pr_err("%s: Invalid client_handle\n", __func__);
		return -EINVAL;
	}

	if (!client_name) {
		pr_err("%s: Invalid client_name\n", __func__);
		*client_handle = 0;
		return -EINVAL;
	}

	mutex_lock(&this_afe.afe_cmd_lock);

	memset(cmd_ptr, 0, sizeof(hw_vote_cfg));

	cmd_ptr->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
				APR_HDR_LEN(APR_HDR_SIZE),
				APR_PKT_VER);
	cmd_ptr->hdr.pkt_size = sizeof(hw_vote_cfg);
	cmd_ptr->hdr.src_port = 0;
	cmd_ptr->hdr.dest_port = 0;
	cmd_ptr->hdr.token = 0;
	cmd_ptr->hdr.opcode = AFE_CMD_REMOTE_LPASS_CORE_HW_VOTE_REQUEST;
	cmd_ptr->hw_block_id = hw_block_id;
	strlcpy(cmd_ptr->client_name, client_name,
			sizeof(cmd_ptr->client_name));

	pr_debug("%s: lpass core hw vote opcode[0x%x] hw id[0x%x]\n",
		__func__, cmd_ptr->hdr.opcode, cmd_ptr->hw_block_id);

	*client_handle = 0;
	atomic_set(&this_afe.status, 0);
	atomic_set(&this_afe.state, 1);
	ret = apr_send_pkt(this_afe.apr, (uint32_t *) cmd_ptr);
	if (ret < 0) {
		pr_err("%s: lpass core hw vote failed %d\n",
			__func__, ret);
		goto done;
	}

	ret = wait_event_timeout(this_afe.lpass_core_hw_wait,
		(atomic_read(&this_afe.state) == 0),
		msecs_to_jiffies(TIMEOUT_MS));
	if (!ret) {
		pr_err("%s: timeout. waited for lpass core hw vote\n",
			__func__);
		ret = -ETIMEDOUT;
		goto done;
	} else {
		/* set ret to 0 as no timeout happened */
		ret = 0;
	}

	if (atomic_read(&this_afe.status) > 0) {
		pr_err("%s: lpass core hw vote cmd failed [%s]\n",
			__func__, adsp_err_get_err_str(
			atomic_read(&this_afe.status)));
		ret = adsp_err_get_lnx_err_code(
				atomic_read(&this_afe.status));
		goto done;
	}

	*client_handle = this_afe.lpass_hw_core_client_hdl;
	pr_debug("%s: lpass_hw_core_client_hdl %d\n", __func__,
		this_afe.lpass_hw_core_client_hdl);
done:
	mutex_unlock(&this_afe.afe_cmd_lock);
	return ret;
}
EXPORT_SYMBOL(afe_vote_lpass_core_hw);

/*
 * afe_unvote_lpass_core_hw -
 *        unvoting for lpass core hardware
 *
 * @hw_block_id: id of the hardware block
 * @client_handle: client handle
 *
 */
int afe_unvote_lpass_core_hw(uint32_t hw_block_id, uint32_t client_handle)
{
	struct afe_cmd_remote_lpass_core_hw_devote_request hw_vote_cfg;
	struct afe_cmd_remote_lpass_core_hw_devote_request *cmd_ptr =
						&hw_vote_cfg;
	int ret = 0;

	mutex_lock(&this_afe.afe_cmd_lock);

	memset(cmd_ptr, 0, sizeof(hw_vote_cfg));

	cmd_ptr->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
				APR_HDR_LEN(APR_HDR_SIZE),
				APR_PKT_VER);
	cmd_ptr->hdr.pkt_size = sizeof(hw_vote_cfg);
	cmd_ptr->hdr.src_port = 0;
	cmd_ptr->hdr.dest_port = 0;
	cmd_ptr->hdr.token = 0;
	cmd_ptr->hdr.opcode = AFE_CMD_REMOTE_LPASS_CORE_HW_DEVOTE_REQUEST;
	cmd_ptr->hw_block_id = hw_block_id;
	cmd_ptr->client_handle = client_handle;

	pr_debug("%s: lpass core hw unvote opcode[0x%x] hw id[0x%x]\n",
		__func__, cmd_ptr->hdr.opcode, cmd_ptr->hw_block_id);

	atomic_set(&this_afe.status, 0);
	atomic_set(&this_afe.state, 1);
	ret = apr_send_pkt(this_afe.apr, (uint32_t *) cmd_ptr);
	if (ret < 0) {
		pr_err("%s: lpass core hw devote failed %d\n",
			__func__, ret);
		goto done;
	}

	ret = wait_event_timeout(this_afe.lpass_core_hw_wait,
		(atomic_read(&this_afe.state) == 0),
		msecs_to_jiffies(TIMEOUT_MS));
	if (!ret) {
		pr_err("%s: timeout. waited for lpass core hw devote\n",
			__func__);
		ret = -ETIMEDOUT;
		goto done;
	} else {
		/* set ret to 0 as no timeout happened */
		ret = 0;
	}

	if (atomic_read(&this_afe.status) > 0) {
		pr_err("%s: lpass core hw devote cmd failed [%s]\n",
			__func__, adsp_err_get_err_str(
			atomic_read(&this_afe.status)));
		ret = adsp_err_get_lnx_err_code(
				atomic_read(&this_afe.status));
	}

done:
	mutex_unlock(&this_afe.afe_cmd_lock);
	return ret;
}
EXPORT_SYMBOL(afe_unvote_lpass_core_hw);
+38 −0
Original line number Diff line number Diff line
@@ -453,4 +453,42 @@ void afe_register_wakeup_irq_callback(
	void (*afe_cb_wakeup_irq)(void *handle));
int afe_get_doa_tracking_mon(u16 port_id,
	struct doa_tracking_mon_param *doa_tracking_data);

#define AFE_LPASS_CORE_HW_BLOCK_ID_NONE                        0
#define AFE_LPASS_CORE_HW_BLOCK_ID_AVTIMER                     2
#define AFE_LPASS_CORE_HW_MACRO_BLOCK                          3

/* Handles audio-video timer (avtimer) and BTSC vote requests from clients.
 */
#define AFE_CMD_REMOTE_LPASS_CORE_HW_VOTE_REQUEST            0x000100f4

struct afe_cmd_remote_lpass_core_hw_vote_request {
	struct apr_hdr hdr;
	uint32_t  hw_block_id;
	/* ID of the hardware block. */
	char client_name[8];
	/* Name of the client. */
} __packed;

#define AFE_CMD_RSP_REMOTE_LPASS_CORE_HW_VOTE_REQUEST        0x000100f5

struct afe_cmd_rsp_remote_lpass_core_hw_vote_request {
	uint32_t client_handle;
	/**< Handle of the client. */
} __packed;

#define AFE_CMD_REMOTE_LPASS_CORE_HW_DEVOTE_REQUEST            0x000100f6

struct afe_cmd_remote_lpass_core_hw_devote_request {
	struct apr_hdr hdr;
	uint32_t  hw_block_id;
	/**< ID of the hardware block.*/

	uint32_t client_handle;
	/**< Handle of the client.*/
} __packed;

int afe_vote_lpass_core_hw(uint32_t hw_block_id, char *client_name,
			uint32_t *client_handle);
int afe_unvote_lpass_core_hw(uint32_t hw_block_id, uint32_t client_handle);
#endif /* __Q6AFE_V2_H__ */
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