From: Igor Russkikh <igor.russkikh@aquantia.com>
To: dev@dpdk.org
Cc: pavel.belous@aquantia.com, igor.russkikh@aquantia.com
Subject: [dpdk-dev] [PATCH v2 07/21] net/atlantic: hardware register access routines
Date: Thu, 13 Sep 2018 14:35:14 +0300 [thread overview]
Message-ID: <1536838528-11800-7-git-send-email-igor.russkikh@aquantia.com> (raw)
In-Reply-To: <1536838528-11800-1-git-send-email-igor.russkikh@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
---
drivers/net/atlantic/atl_hw_regs.c | 52 +++++++++++++++++++++++++++++++++++++
drivers/net/atlantic/atl_hw_regs.h | 53 ++++++++++++++++++++++++++++++++++++++
2 files changed, 105 insertions(+)
create mode 100644 drivers/net/atlantic/atl_hw_regs.c
create mode 100644 drivers/net/atlantic/atl_hw_regs.h
diff --git a/drivers/net/atlantic/atl_hw_regs.c b/drivers/net/atlantic/atl_hw_regs.c
new file mode 100644
index 000000000..231dc712f
--- /dev/null
+++ b/drivers/net/atlantic/atl_hw_regs.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2014-2017 aQuantia Corporation. */
+
+/* File aq_hw_utils.c: Definitions of helper functions used across
+ * hardware layer.
+ */
+
+#include "atl_hw_regs.h"
+
+#include <rte_io.h>
+#include <rte_byteorder.h>
+
+void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
+ u32 shift, u32 val)
+{
+ if (msk ^ ~0) {
+ u32 reg_old, reg_new;
+
+ reg_old = aq_hw_read_reg(aq_hw, addr);
+ reg_new = (reg_old & (~msk)) | (val << shift);
+
+ if (reg_old != reg_new)
+ aq_hw_write_reg(aq_hw, addr, reg_new);
+ } else {
+ aq_hw_write_reg(aq_hw, addr, val);
+ }
+}
+
+u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift)
+{
+ return ((aq_hw_read_reg(aq_hw, addr) & msk) >> shift);
+}
+
+u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg)
+{
+ return rte_le_to_cpu_32(rte_read32((u8 *)hw->mmio + reg));
+}
+
+void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value)
+{
+ rte_write32((rte_cpu_to_le_32(value)), (u8 *)hw->mmio + reg);
+}
+
+int aq_hw_err_from_flags(struct aq_hw_s *hw)
+{
+ int err = 0;
+
+ if (aq_hw_read_reg(hw, 0x10U) == ~0U)
+ return -ENXIO;
+
+ return err;
+}
diff --git a/drivers/net/atlantic/atl_hw_regs.h b/drivers/net/atlantic/atl_hw_regs.h
new file mode 100644
index 000000000..fc109f5d8
--- /dev/null
+++ b/drivers/net/atlantic/atl_hw_regs.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2014-2017 aQuantia Corporation. */
+
+/* File aq_hw_utils.h: Declaration of helper functions used across hardware
+ * layer.
+ */
+
+#ifndef AQ_HW_UTILS_H
+#define AQ_HW_UTILS_H
+
+#include <rte_common.h>
+#include <rte_io.h>
+#include <rte_byteorder.h>
+#include <rte_random.h>
+#include <rte_cycles.h>
+#include "atl_common.h"
+#include "atl_types.h"
+
+
+#ifndef HIDWORD
+#define LODWORD(_qw) ((u32)(_qw))
+#define HIDWORD(_qw) ((u32)(((_qw) >> 32) & 0xffffffff))
+#endif
+
+#define AQ_HW_SLEEP(_US_) rte_delay_ms(_US_)
+
+#define mdelay rte_delay_ms
+#define udelay rte_delay_us
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#define BIT(x) (1UL << (x))
+
+#define AQ_HW_WAIT_FOR(_B_, _US_, _N_) \
+do { \
+ unsigned int AQ_HW_WAIT_FOR_i; \
+ for (AQ_HW_WAIT_FOR_i = _N_; (!(_B_)) && (AQ_HW_WAIT_FOR_i);\
+ --AQ_HW_WAIT_FOR_i) {\
+ udelay(_US_); \
+ } \
+ if (!AQ_HW_WAIT_FOR_i) {\
+ err = -ETIMEDOUT; \
+ } \
+} while (0)
+
+#define ATL_WRITE_FLUSH(aq_hw) { (void)aq_hw_read_reg(aq_hw, 0x10); }
+
+void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
+ u32 shift, u32 val);
+u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);
+u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
+void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
+int aq_hw_err_from_flags(struct aq_hw_s *hw);
+
+#endif /* AQ_HW_UTILS_H */
--
2.13.3.windows.1
next prev parent reply other threads:[~2018-09-13 11:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 11:35 [dpdk-dev] [PATCH v2 01/21] net/atlantic: atlantic PMD driver skeleton Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 02/21] net/atlantic: documentation and rel notes Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 03/21] net/atlantic: logging macroes and some typedefs Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 04/21] net/atlantic: hw_atl register declarations Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 05/21] net/atlantic: b0 hardware layer main logic Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 06/21] net/atlantic: firmware operations layer Igor Russkikh
2018-09-13 11:35 ` Igor Russkikh [this message]
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 08/21] net/atlantic: rte device start, stop, initial configuration Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 09/21] net/atlantic: link status and interrupt management Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 10/21] net/atlantic: add hw adapter structures and defines Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 11/21] net/atlantic: RSS and RETA manipulation API Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 12/21] net/atlantic: flow control configuration Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 13/21] net/atlantic: MAC address manipulations Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 14/21] net/atlantic: eeprom and register manipulation routines Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 15/21] net/atlantic: LED control DPDK and private APIs Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 16/21] net/atlantic: promisc and allmulti configuration Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 17/21] net/atlantic: device statistics, xstats Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 18/21] net/atlantic: VLAN filters and offloads Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 19/21] net/atlantic: device MTU and statuses Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 20/21] net/atlantic: RX side structures and implementation Igor Russkikh
2018-09-13 11:35 ` [dpdk-dev] [PATCH v2 21/21] net/atlantic: TX " Igor Russkikh
2018-09-21 14:21 ` [dpdk-dev] [PATCH v2 01/21] net/atlantic: atlantic PMD driver skeleton Ferruh Yigit
2018-09-21 15:35 ` Igor Russkikh
2018-09-21 17:04 ` Ferruh Yigit
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