From 35e4ebeaace1fca705a705cd2a41c787554ac9ee Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 13 Jul 2019 17:09:06 +0200
Subject: [PATCH] mt76: introduce mt76_mmio_read_copy routine
Git-commit: 35e4ebeaace1fca705a705cd2a41c787554ac9ee
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430
Add mt76_mmio_read_copy routine and the related function pointer in
mt76_bus_ops data structure. mt76_mmio_read_copy will be used to add
BIP_CMAC_128 cipher hw support to mt7615 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mmio.c | 13 ++++++++++---
drivers/net/wireless/mediatek/mt76/mt76.h | 12 ++++++++----
drivers/net/wireless/mediatek/mt76/usb.c | 2 +-
3 files changed, 19 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 83c96a47914f..33512801dc02 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -40,12 +40,18 @@ static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
return val;
}
-static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
- int len)
+static void mt76_mmio_write_copy(struct mt76_dev *dev, u32 offset,
+ const void *data, int len)
{
__iowrite32_copy(dev->mmio.regs + offset, data, DIV_ROUND_UP(len, 4));
}
+static void mt76_mmio_read_copy(struct mt76_dev *dev, u32 offset,
+ void *data, int len)
+{
+ __ioread32_copy(data, dev->mmio.regs + offset, DIV_ROUND_UP(len, 4));
+}
+
static int mt76_mmio_wr_rp(struct mt76_dev *dev, u32 base,
const struct mt76_reg_pair *data, int len)
{
@@ -89,7 +95,8 @@ void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
.rr = mt76_mmio_rr,
.rmw = mt76_mmio_rmw,
.wr = mt76_mmio_wr,
- .copy = mt76_mmio_copy,
+ .write_copy = mt76_mmio_write_copy,
+ .read_copy = mt76_mmio_read_copy,
.wr_rp = mt76_mmio_wr_rp,
.rd_rp = mt76_mmio_rd_rp,
.type = MT76_BUS_MMIO,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 44299e7b3196..eaf63dc402af 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -49,8 +49,10 @@ struct mt76_bus_ops {
u32 (*rr)(struct mt76_dev *dev, u32 offset);
void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
- void (*copy)(struct mt76_dev *dev, u32 offset, const void *data,
- int len);
+ void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
+ int len);
+ void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
+ int len);
int (*wr_rp)(struct mt76_dev *dev, u32 base,
const struct mt76_reg_pair *rp, int len);
int (*rd_rp)(struct mt76_dev *dev, u32 base,
@@ -541,7 +543,8 @@ struct mt76_rx_status {
#define __mt76_rr(dev, ...) (dev)->bus->rr((dev), __VA_ARGS__)
#define __mt76_wr(dev, ...) (dev)->bus->wr((dev), __VA_ARGS__)
#define __mt76_rmw(dev, ...) (dev)->bus->rmw((dev), __VA_ARGS__)
-#define __mt76_wr_copy(dev, ...) (dev)->bus->copy((dev), __VA_ARGS__)
+#define __mt76_wr_copy(dev, ...) (dev)->bus->write_copy((dev), __VA_ARGS__)
+#define __mt76_rr_copy(dev, ...) (dev)->bus->read_copy((dev), __VA_ARGS__)
#define __mt76_set(dev, offset, val) __mt76_rmw(dev, offset, 0, val)
#define __mt76_clear(dev, offset, val) __mt76_rmw(dev, offset, val, 0)
@@ -549,7 +552,8 @@ struct mt76_rx_status {
#define mt76_rr(dev, ...) (dev)->mt76.bus->rr(&((dev)->mt76), __VA_ARGS__)
#define mt76_wr(dev, ...) (dev)->mt76.bus->wr(&((dev)->mt76), __VA_ARGS__)
#define mt76_rmw(dev, ...) (dev)->mt76.bus->rmw(&((dev)->mt76), __VA_ARGS__)
-#define mt76_wr_copy(dev, ...) (dev)->mt76.bus->copy(&((dev)->mt76), __VA_ARGS__)
+#define mt76_wr_copy(dev, ...) (dev)->mt76.bus->write_copy(&((dev)->mt76), __VA_ARGS__)
+#define mt76_rr_copy(dev, ...) (dev)->mt76.bus->read_copy(&((dev)->mt76), __VA_ARGS__)
#define mt76_wr_rp(dev, ...) (dev)->mt76.bus->wr_rp(&((dev)->mt76), __VA_ARGS__)
#define mt76_rd_rp(dev, ...) (dev)->mt76.bus->rd_rp(&((dev)->mt76), __VA_ARGS__)
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 9b8fbf471ed1..92bc93e46e36 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -957,7 +957,7 @@ int mt76u_init(struct mt76_dev *dev,
.rr = mt76u_rr,
.wr = mt76u_wr,
.rmw = mt76u_rmw,
- .copy = mt76u_copy,
+ .write_copy = mt76u_copy,
.wr_rp = mt76u_wr_rp,
.rd_rp = mt76u_rd_rp,
.type = MT76_BUS_USB,
--
2.16.4