From 15ade055295d13f95d49e3d99b09f3bbfb4a43e7 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 07:25:24 +0000
Subject: [PATCH] add at24 driver
---
kernel/drivers/video/rockchip/mpp/mpp_rkvenc2.c | 86 +++++++++++++++++++++++++++++++++++++++----
1 files changed, 78 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/video/rockchip/mpp/mpp_rkvenc2.c b/kernel/drivers/video/rockchip/mpp/mpp_rkvenc2.c
index 90cdc13..7d2d7ae 100644
--- a/kernel/drivers/video/rockchip/mpp/mpp_rkvenc2.c
+++ b/kernel/drivers/video/rockchip/mpp/mpp_rkvenc2.c
@@ -28,6 +28,8 @@
#include <linux/nospec.h>
#include <linux/workqueue.h>
#include <linux/dma-iommu.h>
+#include <linux/mfd/syscon.h>
+#include <linux/rockchip/cpu.h>
#include <soc/rockchip/pm_domains.h>
#include <soc/rockchip/rockchip_ipa.h>
#include <soc/rockchip/rockchip_opp_select.h>
@@ -41,6 +43,7 @@
#define RKVENC_SESSION_MAX_BUFFERS 40
#define RKVENC_MAX_CORE_NUM 4
+#define RKVENC_SCLR_DONE_STA BIT(2)
#define to_rkvenc_info(info) \
container_of(info, struct rkvenc_hw_info, hw)
@@ -187,6 +190,7 @@
dma_addr_t sram_iova;
u32 sram_enabled;
struct page *rcb_page;
+ struct regmap *grf;
};
@@ -699,6 +703,7 @@
struct rkvenc_dev *enc = to_rkvenc_dev(mpp);
struct rkvenc_task *task = to_rkvenc_task(mpp_task);
struct rkvenc_hw_info *hw = enc->hw_info;
+ u32 timing_en = mpp->srv->timing_en;
mpp_debug_enter();
@@ -735,11 +740,20 @@
}
}
+ /* 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 register before the start the device */
wmb();
+
mpp_write(mpp, enc->hw_info->enc_start_base, start_val);
+
+ mpp_task_run_end(mpp_task, timing_en);
mpp_debug_leave();
@@ -793,6 +807,7 @@
if (mpp_debug_unlikely(DEBUG_DUMP_ERR_REG))
mpp_task_dump_hw_reg(mpp, mpp_task);
}
+
mpp_task_finish(mpp_task->session, mpp_task);
mpp_debug_leave();
@@ -1031,6 +1046,10 @@
enc->procfs = NULL;
return -EIO;
}
+
+ /* for common mpp_dev options */
+ mpp_procfs_create_common(enc->procfs, mpp);
+
/* for debug */
mpp_procfs_create_u32("aclk", 0644,
enc->procfs, &enc->aclk_info.debug_rate_hz);
@@ -1063,7 +1082,7 @@
struct rkvenc_dev *enc = to_rkvenc_dev(mpp);
int ret = 0;
- mpp->grf_info = &mpp->srv->grf_infos[MPP_DRIVER_RKVENC];
+ mpp->grf_info = &mpp->srv->grf_infos[MPP_DRIVER_RKVENC2];
/* Get clock info from dtsi */
ret = mpp_get_clk_info(mpp, &enc->aclk_info, "aclk_vcodec");
@@ -1097,23 +1116,41 @@
return 0;
}
-static int rkvenc_reset(struct mpp_dev *mpp)
+static int rkvenc_soft_reset(struct mpp_dev *mpp)
{
struct rkvenc_dev *enc = to_rkvenc_dev(mpp);
struct rkvenc_hw_info *hw = enc->hw_info;
-
- mpp_debug_enter();
+ u32 rst_status = 0;
+ int ret = 0;
/* safe reset */
mpp_write(mpp, hw->int_mask_base, 0x3FF);
mpp_write(mpp, hw->enc_clr_base, 0x1);
- udelay(5);
+ ret = readl_relaxed_poll_timeout(mpp->reg_base + hw->int_sta_base,
+ rst_status,
+ rst_status & RKVENC_SCLR_DONE_STA,
+ 0, 5);
mpp_write(mpp, hw->int_clr_base, 0xffffffff);
mpp_write(mpp, hw->int_sta_base, 0);
+ return ret;
+
+}
+
+static int rkvenc_reset(struct mpp_dev *mpp)
+{
+ struct rkvenc_dev *enc = to_rkvenc_dev(mpp);
+ int ret = 0;
+
+ mpp_debug_enter();
+
+ /* safe reset first*/
+ ret = rkvenc_soft_reset(mpp);
+
/* cru reset */
- if (enc->rst_a && enc->rst_h && enc->rst_core) {
- rockchip_pmu_idle_request(mpp->dev, true);
+ if (ret && enc->rst_a && enc->rst_h && enc->rst_core) {
+ mpp_err("soft reset timeout, use cru reset\n");
+ mpp_pmu_idle_request(mpp, true);
mpp_safe_reset(enc->rst_a);
mpp_safe_reset(enc->rst_h);
mpp_safe_reset(enc->rst_core);
@@ -1121,7 +1158,7 @@
mpp_safe_unreset(enc->rst_a);
mpp_safe_unreset(enc->rst_h);
mpp_safe_unreset(enc->rst_core);
- rockchip_pmu_idle_request(mpp->dev, false);
+ mpp_pmu_idle_request(mpp, false);
}
mpp_debug_leave();
@@ -1338,6 +1375,7 @@
}
mpp->session_max_buffers = RKVENC_SESSION_MAX_BUFFERS;
enc->hw_info = to_rkvenc_info(mpp->var->hw_info);
+
rkvenc_procfs_init(mpp);
mpp_dev_register_srv(mpp, mpp->srv);
@@ -1416,12 +1454,44 @@
dev_info(dev, "shutdown success\n");
}
+static int rkvenc_runtime_suspend(struct device *dev)
+{
+ struct mpp_dev *mpp = dev_get_drvdata(dev);
+ struct mpp_grf_info *info = mpp->grf_info;
+
+ if (cpu_is_rk3528() && info && info->mem_offset)
+ regmap_write(info->grf,
+ info->mem_offset,
+ info->val_mem_off);
+
+ return 0;
+}
+
+static int rkvenc_runtime_resume(struct device *dev)
+{
+ struct mpp_dev *mpp = dev_get_drvdata(dev);
+ struct mpp_grf_info *info = mpp->grf_info;
+
+ if (cpu_is_rk3528() && info && info->mem_offset)
+ regmap_write(info->grf,
+ info->mem_offset,
+ info->val_mem_on);
+
+ return 0;
+}
+
+static const struct dev_pm_ops rkvenc_pm_ops = {
+ .runtime_suspend = rkvenc_runtime_suspend,
+ .runtime_resume = rkvenc_runtime_resume,
+};
+
struct platform_driver rockchip_rkvenc2_driver = {
.probe = rkvenc_probe,
.remove = rkvenc_remove,
.shutdown = rkvenc_shutdown,
.driver = {
.name = RKVENC_DRIVER_NAME,
+ .pm = &rkvenc_pm_ops,
.of_match_table = of_match_ptr(mpp_rkvenc_dt_match),
},
};
--
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