From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/soc/qcom/qcom-geni-se.c | 146 ++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 128 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/soc/qcom/qcom-geni-se.c b/kernel/drivers/soc/qcom/qcom-geni-se.c
index 7369b06..0dbca67 100644
--- a/kernel/drivers/soc/qcom/qcom-geni-se.c
+++ b/kernel/drivers/soc/qcom/qcom-geni-se.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
@@ -90,6 +91,9 @@
void __iomem *base;
struct clk_bulk_data ahb_clks[NUM_AHB_CLKS];
};
+
+static const char * const icc_path_names[] = {"qup-core", "qup-config",
+ "qup-memory"};
#define QUP_HW_VER_REG 0x4
@@ -215,6 +219,16 @@
writel_relaxed(FORCE_DEFAULT, base + GENI_FORCE_DEFAULT_REG);
}
+static void geni_se_irq_clear(struct geni_se *se)
+{
+ writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
+ writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
+ writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
+ writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
+ writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
+ writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+}
+
/**
* geni_se_init() - Initialize the GENI serial engine
* @se: Pointer to the concerned serial engine.
@@ -228,6 +242,7 @@
{
u32 val;
+ geni_se_irq_clear(se);
geni_se_io_init(se->base);
geni_se_io_set_mode(se->base);
@@ -249,12 +264,7 @@
u32 proto = geni_se_read_proto(se);
u32 val;
- writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
- writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+ geni_se_irq_clear(se);
val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
if (proto != GENI_SE_UART) {
@@ -278,12 +288,7 @@
u32 proto = geni_se_read_proto(se);
u32 val;
- writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
- writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+ geni_se_irq_clear(se);
val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
if (proto != GENI_SE_UART) {
@@ -462,6 +467,9 @@
{
int ret;
+ if (has_acpi_companion(se->dev))
+ return 0;
+
ret = pinctrl_pm_select_sleep_state(se->dev);
if (ret)
return ret;
@@ -498,6 +506,9 @@
int geni_se_resources_on(struct geni_se *se)
{
int ret;
+
+ if (has_acpi_companion(se->dev))
+ return 0;
ret = geni_se_clks_on(se);
if (ret)
@@ -635,6 +646,9 @@
struct geni_wrapper *wrapper = se->wrapper;
u32 val;
+ if (!wrapper)
+ return -EINVAL;
+
*iova = dma_map_single(wrapper->dev, buf, len, DMA_TO_DEVICE);
if (dma_mapping_error(wrapper->dev, *iova))
return -EIO;
@@ -667,6 +681,9 @@
{
struct geni_wrapper *wrapper = se->wrapper;
u32 val;
+
+ if (!wrapper)
+ return -EINVAL;
*iova = dma_map_single(wrapper->dev, buf, len, DMA_FROM_DEVICE);
if (dma_mapping_error(wrapper->dev, *iova))
@@ -719,6 +736,97 @@
}
EXPORT_SYMBOL(geni_se_rx_dma_unprep);
+int geni_icc_get(struct geni_se *se, const char *icc_ddr)
+{
+ int i, err;
+ const char *icc_names[] = {"qup-core", "qup-config", icc_ddr};
+
+ if (has_acpi_companion(se->dev))
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
+ if (!icc_names[i])
+ continue;
+
+ se->icc_paths[i].path = devm_of_icc_get(se->dev, icc_names[i]);
+ if (IS_ERR(se->icc_paths[i].path))
+ goto err;
+ }
+
+ return 0;
+
+err:
+ err = PTR_ERR(se->icc_paths[i].path);
+ if (err != -EPROBE_DEFER)
+ dev_err_ratelimited(se->dev, "Failed to get ICC path '%s': %d\n",
+ icc_names[i], err);
+ return err;
+
+}
+EXPORT_SYMBOL(geni_icc_get);
+
+int geni_icc_set_bw(struct geni_se *se)
+{
+ int i, ret;
+
+ for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
+ ret = icc_set_bw(se->icc_paths[i].path,
+ se->icc_paths[i].avg_bw, se->icc_paths[i].avg_bw);
+ if (ret) {
+ dev_err_ratelimited(se->dev, "ICC BW voting failed on path '%s': %d\n",
+ icc_path_names[i], ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(geni_icc_set_bw);
+
+void geni_icc_set_tag(struct geni_se *se, u32 tag)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++)
+ icc_set_tag(se->icc_paths[i].path, tag);
+}
+EXPORT_SYMBOL(geni_icc_set_tag);
+
+/* To do: Replace this by icc_bulk_enable once it's implemented in ICC core */
+int geni_icc_enable(struct geni_se *se)
+{
+ int i, ret;
+
+ for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
+ ret = icc_enable(se->icc_paths[i].path);
+ if (ret) {
+ dev_err_ratelimited(se->dev, "ICC enable failed on path '%s': %d\n",
+ icc_path_names[i], ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(geni_icc_enable);
+
+int geni_icc_disable(struct geni_se *se)
+{
+ int i, ret;
+
+ for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
+ ret = icc_disable(se->icc_paths[i].path);
+ if (ret) {
+ dev_err_ratelimited(se->dev, "ICC disable failed on path '%s': %d\n",
+ icc_path_names[i], ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(geni_icc_disable);
+
static int geni_se_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -736,12 +844,14 @@
if (IS_ERR(wrapper->base))
return PTR_ERR(wrapper->base);
- wrapper->ahb_clks[0].id = "m-ahb";
- wrapper->ahb_clks[1].id = "s-ahb";
- ret = devm_clk_bulk_get(dev, NUM_AHB_CLKS, wrapper->ahb_clks);
- if (ret) {
- dev_err(dev, "Err getting AHB clks %d\n", ret);
- return ret;
+ if (!has_acpi_companion(&pdev->dev)) {
+ wrapper->ahb_clks[0].id = "m-ahb";
+ wrapper->ahb_clks[1].id = "s-ahb";
+ ret = devm_clk_bulk_get(dev, NUM_AHB_CLKS, wrapper->ahb_clks);
+ if (ret) {
+ dev_err(dev, "Err getting AHB clks %d\n", ret);
+ return ret;
+ }
}
dev_set_drvdata(dev, wrapper);
--
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