[v3,5/7] remoteproc: qcom: wcss: populate hardcoded param using driver data
diff mbox series

Message ID 20181215103557.2748-6-govinds@codeaurora.org
State New
Headers show
Series
  • Add non PAS wcss Q6 support for QCS404
Related show

Commit Message

Govind Singh Dec. 15, 2018, 10:35 a.m. UTC
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 <govinds@codeaurora.org>
---
 drivers/remoteproc/qcom_q6v5_wcss.c | 40 ++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 6 deletions(-)

Comments

Stephen Boyd Dec. 17, 2018, 6:55 p.m. UTC | #1
Quoting Govind Singh (2018-12-15 02:35:55)
> diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
> index f93e1e4a1cc0..129f82404656 100644
> --- a/drivers/remoteproc/qcom_q6v5_wcss.c
> +++ b/drivers/remoteproc/qcom_q6v5_wcss.c
> @@ -16,7 +17,6 @@
>  #include "qcom_common.h"
>  #include "qcom_q6v5.h"
>  
> -#define WCSS_CRASH_REASON              421
>  
>  /* Q6SS Register Offsets */
>  #define Q6SS_RESET_REG         0x014
> @@ -70,6 +70,14 @@
>  #define TCSR_WCSS_CLK_MASK     0x1F
>  #define TCSR_WCSS_CLK_ENABLE   0x14
>  
> +struct wcss_data {
> +       void (*pas_handover)(struct qcom_q6v5 *q6v5);
> +       const char *firmware_name;
> +       int crash_reason_smem;
> +       int version;

version can be negative?

> +       int pas_id;

And the pas_id can be negative too?

> +};
> +
>  struct q6v5_wcss {
>         struct device *dev;
>  
> @@ -553,7 +573,8 @@ 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,
> +                            desc->pas_handover);
>         if (ret)
>                 goto free_rproc;
>  
> @@ -581,8 +602,15 @@ 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 = 421,

Why destroy the #define and inline it here? Keep the define around and
use it here instead?

> +       .pas_handover = NULL,

This surely isn't needed to be assigned to NULL.

Patch
diff mbox series

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index f93e1e4a1cc0..129f82404656 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -8,6 +8,7 @@ 
 #include <linux/kernel.h>
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
+#include <linux/of_device.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
@@ -16,7 +17,6 @@ 
 #include "qcom_common.h"
 #include "qcom_q6v5.h"
 
-#define WCSS_CRASH_REASON		421
 
 /* Q6SS Register Offsets */
 #define Q6SS_RESET_REG		0x014
@@ -70,6 +70,14 @@ 
 #define TCSR_WCSS_CLK_MASK	0x1F
 #define TCSR_WCSS_CLK_ENABLE	0x14
 
+struct wcss_data {
+	void (*pas_handover)(struct qcom_q6v5 *q6v5);
+	const char *firmware_name;
+	int crash_reason_smem;
+	int version;
+	int pas_id;
+};
+
 struct q6v5_wcss {
 	struct device *dev;
 
@@ -91,6 +99,10 @@  struct q6v5_wcss {
 	phys_addr_t mem_reloc;
 	void *mem_region;
 	size_t mem_size;
+
+	int crash_reason_smem;
+	int pas_id;
+	int version;
 };
 
 static int q6v5_wcss_reset(struct q6v5_wcss *wcss)
@@ -427,7 +439,7 @@  static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw)
 				     wcss->mem_size, &wcss->mem_reloc);
 }
 
-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,
@@ -527,12 +539,17 @@  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 = of_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;
@@ -540,6 +557,9 @@  static int q6v5_wcss_probe(struct platform_device *pdev)
 
 	wcss = rproc->priv;
 	wcss->dev = &pdev->dev;
+	wcss->pas_id = desc->pas_id;
+	wcss->version = desc->version;
+	wcss->crash_reason_smem = desc->crash_reason_smem;
 
 	ret = q6v5_wcss_init_mmio(wcss, pdev);
 	if (ret)
@@ -553,7 +573,8 @@  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,
+			     desc->pas_handover);
 	if (ret)
 		goto free_rproc;
 
@@ -581,8 +602,15 @@  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 = 421,
+	.pas_handover = NULL,
+};
+
 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);