2021-01-30 08:59:54

by Gokul Sriram Palanisamy

[permalink] [raw]
Subject: [PATCH v9 0/4] Add non PAS wcss Q6 support for QCS404

Changes since v8:
Updated patch 3 for the new prototype of qcom_q6v5_request_stop.

Changes since v7:
Addressed review comments from Stephen Boyd

Changes since v6:
Removed duplicate structure entry added during rebase in v5

Changes since v5:
Rebased all the unmerged patches on top of linux-5.8-rc3
Added dt-binding for qcom,qcs404-wcss-pil
Removed typo

Changes since v4:
removed QDSP6SS clock controls and moved to wcss rproc.
renamed wcsccc to q6sstopcc.
cleanup/refactoring.

Changes since v3:
dt binding cleanup.
Fixed remoteproc recovery.
Added remoteproc dump support.
wcsscc cleanup/refactoring.

Changes since v2:
Removed unused properties.
Refactored code to have common logic b/w ipq8074 and QCS404, wherever possible.
Added compatible example.
Removed wcss-protected bool.

Changes since v1:
Corrected clock names as per comments in v1 patch.

Govind Singh (4):
remoteproc: qcom: wcss: populate hardcoded param using driver data
dt-bindings: remoteproc: qcom: Add Q6V5 Modem PIL binding for QCS404
remoteproc: qcom: wcss: Add non pas wcss Q6 support for QCS404
remoteproc: qcom: wcss: explicitly request exclusive reset control

.../devicetree/bindings/remoteproc/qcom,q6v5.txt | 15 +
drivers/remoteproc/qcom_q6v5_wcss.c | 593 +++++++++++++++++++--
2 files changed, 566 insertions(+), 42 deletions(-)

--
2.7.4


2021-01-30 09:00:47

by Gokul Sriram Palanisamy

[permalink] [raw]
Subject: [PATCH v9 1/4] remoteproc: qcom: wcss: populate hardcoded param using driver data

From: Govind Singh <[email protected]>

Q6 based WiFi fw loading is supported across
different targets, ex: IPQ8074/QCS404. In order to
support different fw names/pas id etc, populate
hardcoded param using driver data.

Signed-off-by: Govind Singh <[email protected]>
Signed-off-by: Gokul Sriram Palanisamy <[email protected]>
---
drivers/remoteproc/qcom_q6v5_wcss.c | 29 ++++++++++++++++++++++++-----
1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 78ebe11..d2e1416 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -71,6 +71,11 @@
#define TCSR_WCSS_CLK_MASK 0x1F
#define TCSR_WCSS_CLK_ENABLE 0x14

+struct wcss_data {
+ const char *firmware_name;
+ unsigned int crash_reason_smem;
+};
+
struct q6v5_wcss {
struct device *dev;

@@ -93,6 +98,8 @@ struct q6v5_wcss {
void *mem_region;
size_t mem_size;

+ unsigned int crash_reason_smem;
+
struct qcom_rproc_glink glink_subdev;
struct qcom_rproc_ssr ssr_subdev;
};
@@ -438,7 +445,7 @@ static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw)
return ret;
}

-static const struct rproc_ops q6v5_wcss_ops = {
+static const struct rproc_ops q6v5_wcss_ipq8074_ops = {
.start = q6v5_wcss_start,
.stop = q6v5_wcss_stop,
.da_to_va = q6v5_wcss_da_to_va,
@@ -538,12 +545,17 @@ static int q6v5_alloc_memory_region(struct q6v5_wcss *wcss)

static int q6v5_wcss_probe(struct platform_device *pdev)
{
+ const struct wcss_data *desc;
struct q6v5_wcss *wcss;
struct rproc *rproc;
int ret;

- rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_wcss_ops,
- "IPQ8074/q6_fw.mdt", sizeof(*wcss));
+ desc = device_get_match_data(&pdev->dev);
+ if (!desc)
+ return -EINVAL;
+
+ rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_wcss_ipq8074_ops,
+ desc->firmware_name, sizeof(*wcss));
if (!rproc) {
dev_err(&pdev->dev, "failed to allocate rproc\n");
return -ENOMEM;
@@ -551,6 +563,7 @@ static int q6v5_wcss_probe(struct platform_device *pdev)

wcss = rproc->priv;
wcss->dev = &pdev->dev;
+ wcss->crash_reason_smem = desc->crash_reason_smem;

ret = q6v5_wcss_init_mmio(wcss, pdev);
if (ret)
@@ -564,7 +577,8 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
if (ret)
goto free_rproc;

- ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, WCSS_CRASH_REASON, NULL);
+ ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, desc->crash_reason_smem,
+ NULL);
if (ret)
goto free_rproc;

@@ -595,8 +609,13 @@ static int q6v5_wcss_remove(struct platform_device *pdev)
return 0;
}

+static const struct wcss_data wcss_ipq8074_res_init = {
+ .firmware_name = "IPQ8074/q6_fw.mdt",
+ .crash_reason_smem = WCSS_CRASH_REASON,
+};
+
static const struct of_device_id q6v5_wcss_of_match[] = {
- { .compatible = "qcom,ipq8074-wcss-pil" },
+ { .compatible = "qcom,ipq8074-wcss-pil", .data = &wcss_ipq8074_res_init },
{ },
};
MODULE_DEVICE_TABLE(of, q6v5_wcss_of_match);
--
2.7.4