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Message-Id: <1508382211-3154-6-git-send-email-vinod.koul@intel.com>
Date: Thu, 19 Oct 2017 08:33:21 +0530
From: Vinod Koul <vinod.koul@...el.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
ALSA <alsa-devel@...a-project.org>, Mark <broonie@...nel.org>,
Takashi <tiwai@...e.de>,
Pierre <pierre-louis.bossart@...ux.intel.com>,
Sanyog Kale <sanyog.r.kale@...el.com>,
Shreyas NC <shreyas.nc@...el.com>, patches.audio@...el.com,
alan@...ux.intel.com,
Charles Keepax <ckeepax@...nsource.cirrus.com>,
Sagar Dharia <sdharia@...eaurora.org>,
srinivas.kandagatla@...aro.org, plai@...eaurora.org,
Sudheer Papothi <spapothi@...eaurora.org>
Subject: [PATCH 05/14] soundwire: Add SoundWire MIPI defined registers
From: Sanyog Kale <sanyog.r.kale@...el.com>
MIPI SoundWire spec defines standard SoundWire registers mandatory for
SoundWire Slave devices, so add them.
Signed-off-by: Sanyog Kale <sanyog.r.kale@...el.com>
Signed-off-by: Vinod Koul <vinod.koul@...el.com>
---
include/linux/soundwire/sdw.h | 1 +
include/linux/soundwire/sdw_registers.h | 238 ++++++++++++++++++++++++++++++++
2 files changed, 239 insertions(+)
create mode 100644 include/linux/soundwire/sdw_registers.h
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 9c52b0bc561a..a5bb5e9bc50a 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -52,6 +52,7 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/soundwire/sdw_registers.h>
struct sdw_bus;
struct sdw_slave;
diff --git a/include/linux/soundwire/sdw_registers.h b/include/linux/soundwire/sdw_registers.h
new file mode 100644
index 000000000000..9324d56f6fc8
--- /dev/null
+++ b/include/linux/soundwire/sdw_registers.h
@@ -0,0 +1,238 @@
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2015-17 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015-17 Intel Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __SDW_REGISTERS_H
+#define __SDW_REGISTERS_H
+
+/*
+ * typically we define register and shifts but if one observes carefully,
+ * the shift can be generated from MASKS using few bit primitaives like ffs
+ * etc, so we use that and avoid defining shifts
+ */
+#define SDW_REG_SHIFT(n) (ffs(n) - 1)
+
+/*
+ * SDW registers as defined by MIPI 1.1 Spec
+ */
+#define SDW_REGADDR GENMASK(14, 0)
+#define SDW_SCP_ADDRPAGE1_MASK GENMASK(22, 15)
+#define SDW_SCP_ADDRPAGE2_MASK GENMASK(30, 23)
+
+#define SDW_MAX_REG_ADDR 65536
+
+#define SDW_DPN_SIZE 0x100
+#define SDW_BANK1_OFFSET 0x10
+
+/*
+ * DP0 Interrupt register & bits
+ *
+ * Spec treats Status (RO) and Clear (WC) as separate but they are same
+ * address, so treat as same register with WC.
+ */
+
+/* both INT and STATUS register are same */
+#define SDW_DP0_INT 0x0
+#define SDW_DP0_INTMASK 0x1
+#define SDW_DP0_PORTCTRL 0x2
+#define SDW_DP0_BLOCKCTRL1 0x3
+#define SDW_DP0_PREPARESTATUS 0x4
+#define SDW_DP0_PREPARECTRL 0x5
+
+#define SDW_DP0_INT_TEST_FAIL BIT(0)
+#define SDW_DP0_INT_PORT_READY BIT(1)
+#define SDW_DP0_INT_BRA_FAILURE BIT(2)
+#define SDW_DP0_INT_IMPDEF1 BIT(5)
+#define SDW_DP0_INT_IMPDEF2 BIT(6)
+#define SDW_DP0_INT_IMPDEF3 BIT(7)
+
+#define SDW_DP0_PORTCTRL_DATAMODE GENMASK(3, 2)
+#define SDW_DP0_PORTCTRL_NXTINVBANK BIT(4)
+#define SDW_DP0_PORTCTRL_BPT_PAYLD GENMASK(7, 6)
+
+#define SDW_DP0_CHANNELEN 0x20
+#define SDW_DP0_SAMPLECTRL1 0x22
+#define SDW_DP0_SAMPLECTRL2 0x23
+#define SDW_DP0_OFFSETCTRL1 0x24
+#define SDW_DP0_OFFSETCTRL2 0x25
+#define SDW_DP0_HCTRL 0x26
+#define SDW_DP0_LANECTRL 0x28
+
+/* Both INT and STATUS register are same */
+#define SDW_SCP_INT1 0x40
+#define SDW_SCP_INTMASK1 0x41
+
+#define SDW_SCP_INT1_PARITY BIT(0)
+#define SDW_SCP_INT1_BUS_CLASH BIT(1)
+#define SDW_SCP_INT1_IMPL_DEF BIT(2)
+#define SDW_SCP_INT1_SCP2_CASCADE BIT(7)
+#define SDW_SCP_INT1_PORT0_3 GENMASK(6, 3)
+
+#define SDW_SCP_INTSTAT2 0x42
+#define SDW_SCP_INTSTAT2_SCP3_CASCADE BIT(7)
+#define SDW_SCP_INTSTAT2_PORT4_10 GENMASK(6, 0)
+
+
+#define SDW_SCP_INTSTAT3 0x43
+#define SDW_SCP_INTSTAT3_PORT11_14 GENMASK(3, 0)
+
+/* Number of interrupt status registers */
+#define SDW_NUM_INT_STAT_REGISTERS 3
+
+/* Number of interrupt clear registers */
+#define SDW_NUM_INT_CLEAR_REGISTERS 1
+
+#define SDW_SCP_CTRL 0x44
+#define SDW_SCP_CTRL_CLK_STP_NOW BIT(1)
+#define SDW_SCP_CTRL_FORCE_RESET BIT(7)
+
+#define SDW_SCP_STAT 0x44
+#define SDW_SCP_STAT_CLK_STP_NF BIT(0)
+#define SDW_SCP_STAT_HPHY_NOK BIT(5)
+#define SDW_SCP_STAT_CURR_BANK BIT(6)
+
+#define SDW_SCP_SYSTEMCTRL 0x45
+#define SDW_SCP_SYSTEMCTRL_CLK_STP_PREP BIT(0)
+#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE BIT(2)
+#define SDW_SCP_SYSTEMCTRL_WAKE_UP_EN BIT(3)
+#define SDW_SCP_SYSTEMCTRL_HIGH_PHY BIT(4)
+
+#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE0 0
+#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE1 BIT(2)
+
+#define SDW_SCP_DEVNUMBER 0x46
+#define SDW_SCP_HIGH_PHY_CHECK 0x47
+#define SDW_SCP_ADDRPAGE1 0x48
+#define SDW_SCP_ADDRPAGE2 0x49
+#define SDW_SCP_KEEPEREN 0x4A
+#define SDW_SCP_BANKDELAY 0x4B
+#define SDW_SCP_TESTMODE 0x4F
+#define SDW_SCP_DEVID_0 0x50
+#define SDW_SCP_DEVID_1 0x51
+#define SDW_SCP_DEVID_2 0x52
+#define SDW_SCP_DEVID_3 0x53
+#define SDW_SCP_DEVID_4 0x54
+#define SDW_SCP_DEVID_5 0x55
+
+/* Banked Registers */
+#define SDW_SCP_FRAMECTRL_B0 0x60
+#define SDW_SCP_FRAMECTRL_B1 (0x60 + SDW_BANK1_OFFSET)
+#define SDW_SCP_NEXTFRAME_B0 0x61
+#define SDW_SCP_NEXTFRAME_B1 (0x61 + SDW_BANK1_OFFSET)
+
+/* Both INT and STATUS register is same */
+#define SDW_DPN_INT(n) (0x0 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_INTMASK(n) (0x1 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_PORTCTRL(n) (0x2 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_BLOCKCTRL1(n) (0x3 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_PREPARESTATUS(n) (0x4 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_PREPARECTRL(n) (0x5 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_INT_TEST_FAIL BIT(0)
+#define SDW_DPN_INT_PORT_READY BIT(1)
+#define SDW_DPN_INT_IMPDEF1 BIT(5)
+#define SDW_DPN_INT_IMPDEF2 BIT(6)
+#define SDW_DPN_INT_IMPDEF3 BIT(7)
+
+#define SDW_DPN_PORTCTRL_FLOWMODE GENMASK(1, 0)
+#define SDW_DPN_PORTCTRL_DATAMODE GENMASK(3, 2)
+#define SDW_DPN_PORTCTRL_NXTINVBANK BIT(4)
+
+#define SDW_DPN_BLOCKCTRL1_WDLEN GENMASK(5, 0)
+
+#define SDW_DPN_PREPARECTRL_CH_PREP GENMASK(7, 0)
+
+#define SDW_DPN_CHANNELEN_B0(n) (0x20 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_CHANNELEN_B1(n) (0x30 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_BLOCKCTRL2_B0(n) (0x21 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_BLOCKCTRL2_B1(n) (0x31 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_SAMPLECTRL1_B0(n) (0x22 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_SAMPLECTRL1_B1(n) (0x32 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_SAMPLECTRL2_B0(n) (0x23 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_SAMPLECTRL2_B1(n) (0x33 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_OFFSETCTRL1_B0(n) (0x24 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_OFFSETCTRL1_B1(n) (0x34 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_OFFSETCTRL2_B0(n) (0x25 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_OFFSETCTRL2_B1(n) (0x35 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_HCTRL_B0(n) (0x26 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_HCTRL_B1(n) (0x36 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_BLOCKCTRL3_B0(n) (0x27 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_BLOCKCTRL3_B1(n) (0x37 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_LANECTRL_B0(n) (0x28 + SDW_DPN_SIZE * (n))
+#define SDW_DPN_LANECTRL_B1(n) (0x38 + SDW_DPN_SIZE * (n))
+
+#define SDW_DPN_SAMPLECTRL_LOW GENMASK(7, 0)
+#define SDW_DPN_SAMPLECTRL_HIGH GENMASK(15, 8)
+
+#define SDW_DPN_HCTRL_HSTART GENMASK(7, 4)
+#define SDW_DPN_HCTRL_HSTOP GENMASK(3, 0)
+
+#define SDW_NUM_CASC_PORT_INTSTAT1 4
+#define SDW_CASC_PORT_START_INTSTAT1 0
+#define SDW_CASC_PORT_MASK_INTSTAT1 0x8
+#define SDW_CASC_PORT_REG_OFFSET_INTSTAT1 0x0
+
+#define SDW_NUM_CASC_PORT_INTSTAT2 7
+#define SDW_CASC_PORT_START_INTSTAT2 4
+#define SDW_CASC_PORT_MASK_INTSTAT2 1
+#define SDW_CASC_PORT_REG_OFFSET_INTSTAT2 1
+
+#define SDW_NUM_CASC_PORT_INTSTAT3 4
+#define SDW_CASC_PORT_START_INTSTAT3 11
+#define SDW_CASC_PORT_MASK_INTSTAT3 1
+#define SDW_CASC_PORT_REG_OFFSET_INTSTAT3 2
+
+#endif /* __SDW_REGISTERS_H */
--
2.7.4
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