Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 255 insertions, 0 deletions

diff --git a/sound/soc/qcom/qdsp6/q6prm.c b/sound/soc/qcom/qdsp6/q6prm.c
new file mode 100644
index 0000000000..81554d2026
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6prm.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021, Linaro Limited
+
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/delay.h>
+#include <linux/of_platform.h>
+#include <linux/jiffies.h>
+#include <linux/soc/qcom/apr.h>
+#include <dt-bindings/soc/qcom,gpr.h>
+#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
+#include "q6apm.h"
+#include "q6prm.h"
+#include "audioreach.h"
+
+struct q6prm {
+	struct device *dev;
+	gpr_device_t *gdev;
+	wait_queue_head_t wait;
+	struct gpr_ibasic_rsp_result_t result;
+	struct mutex lock;
+};
+
+#define PRM_CMD_REQUEST_HW_RSC		0x0100100F
+#define PRM_CMD_RSP_REQUEST_HW_RSC	0x02001002
+#define PRM_CMD_RELEASE_HW_RSC		0x01001010
+#define PRM_CMD_RSP_RELEASE_HW_RSC	0x02001003
+#define PARAM_ID_RSC_HW_CORE		0x08001032
+#define PARAM_ID_RSC_LPASS_CORE		0x0800102B
+#define PARAM_ID_RSC_AUDIO_HW_CLK	0x0800102C
+
+struct prm_cmd_request_hw_core {
+	struct apm_module_param_data param_data;
+	uint32_t hw_clk_id;
+} __packed;
+
+struct prm_cmd_request_rsc {
+	struct apm_module_param_data param_data;
+	uint32_t num_clk_id;
+	struct audio_hw_clk_cfg clock_id;
+} __packed;
+
+struct prm_cmd_release_rsc {
+	struct apm_module_param_data param_data;
+	uint32_t num_clk_id;
+	struct audio_hw_clk_rel_cfg clock_id;
+} __packed;
+
+static int q6prm_send_cmd_sync(struct q6prm *prm, struct gpr_pkt *pkt, uint32_t rsp_opcode)
+{
+	return audioreach_send_cmd_sync(prm->dev, prm->gdev, &prm->result, &prm->lock,
+					NULL, &prm->wait, pkt, rsp_opcode);
+}
+
+static int q6prm_set_hw_core_req(struct device *dev, uint32_t hw_block_id, bool enable)
+{
+	struct q6prm *prm = dev_get_drvdata(dev->parent);
+	struct apm_module_param_data *param_data;
+	struct prm_cmd_request_hw_core *req;
+	gpr_device_t *gdev = prm->gdev;
+	uint32_t opcode, rsp_opcode;
+	struct gpr_pkt *pkt;
+	int rc;
+
+	if (enable) {
+		opcode = PRM_CMD_REQUEST_HW_RSC;
+		rsp_opcode = PRM_CMD_RSP_REQUEST_HW_RSC;
+	} else {
+		opcode = PRM_CMD_RELEASE_HW_RSC;
+		rsp_opcode = PRM_CMD_RSP_RELEASE_HW_RSC;
+	}
+
+	pkt = audioreach_alloc_cmd_pkt(sizeof(*req), opcode, 0, gdev->svc.id, GPR_PRM_MODULE_IID);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	req = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = &req->param_data;
+
+	param_data->module_instance_id = GPR_PRM_MODULE_IID;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_RSC_HW_CORE;
+	param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE;
+
+	req->hw_clk_id = hw_block_id;
+
+	rc = q6prm_send_cmd_sync(prm, pkt, rsp_opcode);
+
+	kfree(pkt);
+
+	return rc;
+}
+
+int q6prm_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
+			     const char *client_name, uint32_t *client_handle)
+{
+	return q6prm_set_hw_core_req(dev, hw_block_id, true);
+
+}
+EXPORT_SYMBOL_GPL(q6prm_vote_lpass_core_hw);
+
+int q6prm_unvote_lpass_core_hw(struct device *dev, uint32_t hw_block_id, uint32_t client_handle)
+{
+	return q6prm_set_hw_core_req(dev, hw_block_id, false);
+}
+EXPORT_SYMBOL_GPL(q6prm_unvote_lpass_core_hw);
+
+static int q6prm_request_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root,
+				     unsigned int freq)
+{
+	struct q6prm *prm = dev_get_drvdata(dev->parent);
+	struct apm_module_param_data *param_data;
+	struct prm_cmd_request_rsc *req;
+	gpr_device_t *gdev = prm->gdev;
+	struct gpr_pkt *pkt;
+	int rc;
+
+	pkt = audioreach_alloc_cmd_pkt(sizeof(*req), PRM_CMD_REQUEST_HW_RSC, 0, gdev->svc.id,
+				       GPR_PRM_MODULE_IID);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	req = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = &req->param_data;
+
+	param_data->module_instance_id = GPR_PRM_MODULE_IID;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_RSC_AUDIO_HW_CLK;
+	param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE;
+
+	req->num_clk_id = 1;
+	req->clock_id.clock_id = clk_id;
+	req->clock_id.clock_freq = freq;
+	req->clock_id.clock_attri = clk_attr;
+	req->clock_id.clock_root = clk_root;
+
+	rc = q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_REQUEST_HW_RSC);
+
+	kfree(pkt);
+
+	return rc;
+}
+
+static int q6prm_release_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root,
+			  unsigned int freq)
+{
+	struct q6prm *prm = dev_get_drvdata(dev->parent);
+	struct apm_module_param_data *param_data;
+	struct prm_cmd_release_rsc *rel;
+	gpr_device_t *gdev = prm->gdev;
+	struct gpr_pkt *pkt;
+	int rc;
+
+	pkt = audioreach_alloc_cmd_pkt(sizeof(*rel), PRM_CMD_RELEASE_HW_RSC, 0, gdev->svc.id,
+				       GPR_PRM_MODULE_IID);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	rel = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = &rel->param_data;
+
+	param_data->module_instance_id = GPR_PRM_MODULE_IID;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_RSC_AUDIO_HW_CLK;
+	param_data->param_size = sizeof(*rel) - APM_MODULE_PARAM_DATA_SIZE;
+
+	rel->num_clk_id = 1;
+	rel->clock_id.clock_id = clk_id;
+
+	rc = q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_RELEASE_HW_RSC);
+
+	kfree(pkt);
+
+	return rc;
+}
+
+int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, int clk_root,
+			  unsigned int freq)
+{
+	if (freq)
+		return q6prm_request_lpass_clock(dev, clk_id, clk_attr, clk_root, freq);
+
+	return q6prm_release_lpass_clock(dev, clk_id, clk_attr, clk_root, freq);
+}
+EXPORT_SYMBOL_GPL(q6prm_set_lpass_clock);
+
+static int prm_callback(struct gpr_resp_pkt *data, void *priv, int op)
+{
+	gpr_device_t *gdev = priv;
+	struct q6prm *prm = dev_get_drvdata(&gdev->dev);
+	struct gpr_ibasic_rsp_result_t *result;
+	struct gpr_hdr *hdr = &data->hdr;
+
+	switch (hdr->opcode) {
+	case PRM_CMD_RSP_REQUEST_HW_RSC:
+	case PRM_CMD_RSP_RELEASE_HW_RSC:
+		result = data->payload;
+		prm->result.opcode = hdr->opcode;
+		prm->result.status = result->status;
+		wake_up(&prm->wait);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int prm_probe(gpr_device_t *gdev)
+{
+	struct device *dev = &gdev->dev;
+	struct q6prm *cc;
+
+	cc = devm_kzalloc(dev, sizeof(*cc), GFP_KERNEL);
+	if (!cc)
+		return -ENOMEM;
+
+	cc->dev = dev;
+	cc->gdev = gdev;
+	mutex_init(&cc->lock);
+	init_waitqueue_head(&cc->wait);
+	dev_set_drvdata(dev, cc);
+
+	if (!q6apm_is_adsp_ready())
+		return -EPROBE_DEFER;
+
+	return devm_of_platform_populate(dev);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id prm_device_id[]  = {
+	{ .compatible = "qcom,q6prm" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, prm_device_id);
+#endif
+
+static gpr_driver_t prm_driver = {
+	.probe = prm_probe,
+	.gpr_callback = prm_callback,
+	.driver = {
+		.name = "qcom-prm",
+		.of_match_table = of_match_ptr(prm_device_id),
+	},
+};
+
+module_gpr_driver(prm_driver);
+MODULE_DESCRIPTION("Q6 Proxy Resource Manager");
+MODULE_LICENSE("GPL");