[PATCH 05/14] soundwire: Add SoundWire MIPI defined registers

[Vinod Koul <vinod.koul@intel.com>]

From: Sanyog Kale <sanyog.r.kale@intel.com>

MIPI SoundWire spec defines standard SoundWire registers mandatory for
SoundWire Slave devices, so add them.

Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.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