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/video/rockchip/mpp/mpp_vdpu2.c | 96 +++++++++++++++++++++++++++++++++--------------
1 files changed, 67 insertions(+), 29 deletions(-)
diff --git a/kernel/drivers/video/rockchip/mpp/mpp_vdpu2.c b/kernel/drivers/video/rockchip/mpp/mpp_vdpu2.c
index f697033..d5a6a30 100644
--- a/kernel/drivers/video/rockchip/mpp/mpp_vdpu2.c
+++ b/kernel/drivers/video/rockchip/mpp/mpp_vdpu2.c
@@ -69,6 +69,9 @@
#define VDPU2_DEC_CLOCK_GATE_EN BIT(4)
#define VDPU2_DEC_START BIT(0)
+#define VDPU2_REG_SOFT_RESET 0x0e8
+#define VDPU2_REG_SOFT_RESET_INDEX (58)
+
#define VDPU2_REG_DIR_MV_BASE 0x0f8
#define VDPU2_REG_DIR_MV_BASE_INDEX (62)
@@ -224,8 +227,11 @@
offset = task->reg[idx] >> 10 << 4;
}
mem_region = mpp_task_attach_fd(&task->mpp_task, fd);
- if (IS_ERR(mem_region))
+ if (IS_ERR(mem_region)) {
+ mpp_err("reg[%3d]: %08x fd %d attach failed\n",
+ idx, task->reg[idx], fd);
return -EFAULT;
+ }
iova = mem_region->iova;
mpp_debug(DEBUG_IOMMU, "DMV[%3d]: %3d => %pad + offset %10d\n",
@@ -340,6 +346,7 @@
u32 i;
u32 reg_en;
struct vdpu_task *task = to_vdpu_task(mpp_task);
+ u32 timing_en = mpp->srv->timing_en;
mpp_debug_enter();
@@ -354,16 +361,32 @@
mpp_write_req(mpp, task->reg, s, e, reg_en);
}
+
+ /* flush tlb before starting hardware */
+ mpp_iommu_flush_tlb(mpp->iommu_info);
+
/* init current task */
mpp->cur_task = mpp_task;
+
+ mpp_task_run_begin(mpp_task, timing_en, MPP_WORK_TIMEOUT_DELAY);
+
/* Flush the registers */
wmb();
mpp_write(mpp, VDPU2_REG_DEC_EN,
task->reg[reg_en] | VDPU2_DEC_START);
+ mpp_task_run_end(mpp_task, timing_en);
+
mpp_debug_leave();
return 0;
+}
+
+static int vdpu_px30_run(struct mpp_dev *mpp,
+ struct mpp_task *mpp_task)
+{
+ mpp_iommu_flush_tlb(mpp->iommu_info);
+ return vdpu_run(mpp, mpp_task);
}
static int vdpu_finish(struct mpp_dev *mpp,
@@ -456,6 +479,10 @@
dec->procfs = NULL;
return -EIO;
}
+
+ /* for common mpp_dev options */
+ mpp_procfs_create_common(dec->procfs, mpp);
+
mpp_procfs_create_u32("aclk", 0644,
dec->procfs, &dec->aclk_info.debug_rate_hz);
mpp_procfs_create_u32("session_buffers", 0644,
@@ -596,21 +623,39 @@
return IRQ_HANDLED;
}
+static int vdpu_soft_reset(struct mpp_dev *mpp)
+{
+ u32 val;
+ u32 ret;
+
+ mpp_write(mpp, VDPU2_REG_SOFT_RESET, 1);
+ ret = readl_relaxed_poll_timeout(mpp->reg_base + VDPU2_REG_SOFT_RESET,
+ val, !val, 0, 5);
+ return ret;
+}
+
static int vdpu_reset(struct mpp_dev *mpp)
{
struct vdpu_dev *dec = to_vdpu_dev(mpp);
+ u32 ret = 0;
mpp_write(mpp, VDPU2_REG_DEC_EN, 0);
mpp_write(mpp, VDPU2_REG_DEC_INT, 0);
- if (dec->rst_a && dec->rst_h) {
+
+ /* soft reset first */
+ ret = vdpu_soft_reset(mpp);
+ if (ret && dec->rst_a && dec->rst_h) {
/* Don't skip this or iommu won't work after reset */
- rockchip_pmu_idle_request(mpp->dev, true);
+ mpp_err("soft reset failed, use cru reset!\n");
+ mpp_debug(DEBUG_RESET, "reset in\n");
+ mpp_pmu_idle_request(mpp, true);
mpp_safe_reset(dec->rst_a);
mpp_safe_reset(dec->rst_h);
udelay(5);
mpp_safe_unreset(dec->rst_a);
mpp_safe_unreset(dec->rst_h);
- rockchip_pmu_idle_request(mpp->dev, false);
+ mpp_pmu_idle_request(mpp, false);
+ mpp_debug(DEBUG_RESET, "reset out\n");
}
return 0;
@@ -645,6 +690,16 @@
.free_task = vdpu_free_task,
};
+static struct mpp_dev_ops vdpu_px30_dev_ops = {
+ .alloc_task = vdpu_alloc_task,
+ .run = vdpu_px30_run,
+ .irq = vdpu_irq,
+ .isr = vdpu_isr,
+ .finish = vdpu_finish,
+ .result = vdpu_result,
+ .free_task = vdpu_free_task,
+};
+
static const struct mpp_dev_var vdpu_v2_data = {
.device_type = MPP_DEVICE_VDPU2,
.hw_info = &vdpu_v2_hw_info,
@@ -658,7 +713,7 @@
.hw_info = &vdpu_v2_hw_info,
.trans_info = vdpu_v2_trans,
.hw_ops = &vdpu_px30_hw_ops,
- .dev_ops = &vdpu_v2_dev_ops,
+ .dev_ops = &vdpu_px30_dev_ops,
};
static const struct of_device_id mpp_vdpu2_dt_match[] = {
@@ -687,15 +742,16 @@
dec = devm_kzalloc(dev, sizeof(struct vdpu_dev), GFP_KERNEL);
if (!dec)
return -ENOMEM;
- platform_set_drvdata(pdev, dec);
-
mpp = &dec->mpp;
+ platform_set_drvdata(pdev, mpp);
if (pdev->dev.of_node) {
match = of_match_node(mpp_vdpu2_dt_match,
pdev->dev.of_node);
if (match)
mpp->var = (struct mpp_dev_var *)match->data;
+
+ mpp->core_id = of_alias_get_id(pdev->dev.of_node, "vdpu");
}
ret = mpp_dev_probe(mpp, pdev);
@@ -731,37 +787,19 @@
static int vdpu_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct vdpu_dev *dec = platform_get_drvdata(pdev);
+ struct mpp_dev *mpp = dev_get_drvdata(dev);
dev_info(dev, "remove device\n");
- mpp_dev_remove(&dec->mpp);
- vdpu_procfs_remove(&dec->mpp);
+ mpp_dev_remove(mpp);
+ vdpu_procfs_remove(mpp);
return 0;
-}
-
-static void vdpu_shutdown(struct platform_device *pdev)
-{
- int ret;
- int val;
- struct device *dev = &pdev->dev;
- struct vdpu_dev *dec = platform_get_drvdata(pdev);
- struct mpp_dev *mpp = &dec->mpp;
-
- dev_info(dev, "shutdown device\n");
-
- atomic_inc(&mpp->srv->shutdown_request);
- ret = readx_poll_timeout(atomic_read,
- &mpp->task_count,
- val, val == 0, 20000, 200000);
- if (ret == -ETIMEDOUT)
- dev_err(dev, "wait total running time out\n");
}
struct platform_driver rockchip_vdpu2_driver = {
.probe = vdpu_probe,
.remove = vdpu_remove,
- .shutdown = vdpu_shutdown,
+ .shutdown = mpp_dev_shutdown,
.driver = {
.name = VDPU2_DRIVER_NAME,
.of_match_table = of_match_ptr(mpp_vdpu2_dt_match),
--
Gitblit v1.6.2