xref: /openbmc/linux/drivers/gpu/drm/i915/display/intel_audio_regs.h (revision b43edc50)

/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2022 Intel Corporation
 */

#ifndef __INTEL_AUDIO_REGS_H__
#define __INTEL_AUDIO_REGS_H__

#include "i915_reg_defs.h"

#define G4X_AUD_VID_DID			_MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x62020)
#define   INTEL_AUDIO_DEVCL		0x808629FB
#define   INTEL_AUDIO_DEVBLC		0x80862801
#define   INTEL_AUDIO_DEVCTG		0x80862802

#define G4X_AUD_CNTL_ST			_MMIO(0x620B4)
#define   G4X_ELDV_DEVCL_DEVBLC		(1 << 13)
#define   G4X_ELDV_DEVCTG		(1 << 14)
#define   G4X_ELD_ADDR_MASK		(0xf << 5)
#define   G4X_ELD_ACK			(1 << 4)
#define G4X_HDMIW_HDMIEDID		_MMIO(0x6210C)

#define _IBX_HDMIW_HDMIEDID_A		0xE2050
#define _IBX_HDMIW_HDMIEDID_B		0xE2150
#define IBX_HDMIW_HDMIEDID(pipe)	_MMIO_PIPE(pipe, _IBX_HDMIW_HDMIEDID_A, \
						  _IBX_HDMIW_HDMIEDID_B)
#define _IBX_AUD_CNTL_ST_A		0xE20B4
#define _IBX_AUD_CNTL_ST_B		0xE21B4
#define IBX_AUD_CNTL_ST(pipe)		_MMIO_PIPE(pipe, _IBX_AUD_CNTL_ST_A, \
						  _IBX_AUD_CNTL_ST_B)
#define   IBX_ELD_BUFFER_SIZE_MASK	(0x1f << 10)
#define   IBX_ELD_ADDRESS_MASK		(0x1f << 5)
#define   IBX_ELD_ACK			(1 << 4)
#define IBX_AUD_CNTL_ST2		_MMIO(0xE20C0)
#define   IBX_CP_READY(port)		((1 << 1) << (((port) - 1) * 4))
#define   IBX_ELD_VALID(port)		((1 << 0) << (((port) - 1) * 4))

#define _CPT_HDMIW_HDMIEDID_A		0xE5050
#define _CPT_HDMIW_HDMIEDID_B		0xE5150
#define CPT_HDMIW_HDMIEDID(pipe)	_MMIO_PIPE(pipe, _CPT_HDMIW_HDMIEDID_A, _CPT_HDMIW_HDMIEDID_B)
#define _CPT_AUD_CNTL_ST_A		0xE50B4
#define _CPT_AUD_CNTL_ST_B		0xE51B4
#define CPT_AUD_CNTL_ST(pipe)		_MMIO_PIPE(pipe, _CPT_AUD_CNTL_ST_A, _CPT_AUD_CNTL_ST_B)
#define CPT_AUD_CNTRL_ST2		_MMIO(0xE50C0)

#define _VLV_HDMIW_HDMIEDID_A		(VLV_DISPLAY_BASE + 0x62050)
#define _VLV_HDMIW_HDMIEDID_B		(VLV_DISPLAY_BASE + 0x62150)
#define VLV_HDMIW_HDMIEDID(pipe)	_MMIO_PIPE(pipe, _VLV_HDMIW_HDMIEDID_A, _VLV_HDMIW_HDMIEDID_B)
#define _VLV_AUD_CNTL_ST_A		(VLV_DISPLAY_BASE + 0x620B4)
#define _VLV_AUD_CNTL_ST_B		(VLV_DISPLAY_BASE + 0x621B4)
#define VLV_AUD_CNTL_ST(pipe)		_MMIO_PIPE(pipe, _VLV_AUD_CNTL_ST_A, _VLV_AUD_CNTL_ST_B)
#define VLV_AUD_CNTL_ST2		_MMIO(VLV_DISPLAY_BASE + 0x620C0)

#define _IBX_AUD_CONFIG_A		0xe2000
#define _IBX_AUD_CONFIG_B		0xe2100
#define IBX_AUD_CFG(pipe)		_MMIO_PIPE(pipe, _IBX_AUD_CONFIG_A, _IBX_AUD_CONFIG_B)
#define _CPT_AUD_CONFIG_A		0xe5000
#define _CPT_AUD_CONFIG_B		0xe5100
#define CPT_AUD_CFG(pipe)		_MMIO_PIPE(pipe, _CPT_AUD_CONFIG_A, _CPT_AUD_CONFIG_B)
#define _VLV_AUD_CONFIG_A		(VLV_DISPLAY_BASE + 0x62000)
#define _VLV_AUD_CONFIG_B		(VLV_DISPLAY_BASE + 0x62100)
#define VLV_AUD_CFG(pipe)		_MMIO_PIPE(pipe, _VLV_AUD_CONFIG_A, _VLV_AUD_CONFIG_B)

#define   AUD_CONFIG_N_VALUE_INDEX		(1 << 29)
#define   AUD_CONFIG_N_PROG_ENABLE		(1 << 28)
#define   AUD_CONFIG_UPPER_N_SHIFT		20
#define   AUD_CONFIG_UPPER_N_MASK		(0xff << 20)
#define   AUD_CONFIG_LOWER_N_SHIFT		4
#define   AUD_CONFIG_LOWER_N_MASK		(0xfff << 4)
#define   AUD_CONFIG_N_MASK			(AUD_CONFIG_UPPER_N_MASK | AUD_CONFIG_LOWER_N_MASK)
#define   AUD_CONFIG_N(n) \
	(((((n) >> 12) & 0xff) << AUD_CONFIG_UPPER_N_SHIFT) |	\
	 (((n) & 0xfff) << AUD_CONFIG_LOWER_N_SHIFT))
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_SHIFT	16
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK	(0xf << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25175	(0 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_25200	(1 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27000	(2 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_27027	(3 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54000	(4 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_54054	(5 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74176	(6 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_74250	(7 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148352	(8 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_148500	(9 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_296703	(10 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_297000	(11 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_593407	(12 << 16)
#define   AUD_CONFIG_PIXEL_CLOCK_HDMI_594000	(13 << 16)
#define   AUD_CONFIG_DISABLE_NCTS		(1 << 3)

#define _HSW_AUD_CONFIG_A		0x65000
#define _HSW_AUD_CONFIG_B		0x65100
#define HSW_AUD_CFG(trans)		_MMIO_TRANS(trans, _HSW_AUD_CONFIG_A, _HSW_AUD_CONFIG_B)

#define _HSW_AUD_MISC_CTRL_A		0x65010
#define _HSW_AUD_MISC_CTRL_B		0x65110
#define HSW_AUD_MISC_CTRL(trans)	_MMIO_TRANS(trans, _HSW_AUD_MISC_CTRL_A, _HSW_AUD_MISC_CTRL_B)

#define _HSW_AUD_M_CTS_ENABLE_A		0x65028
#define _HSW_AUD_M_CTS_ENABLE_B		0x65128
#define HSW_AUD_M_CTS_ENABLE(trans)	_MMIO_TRANS(trans, _HSW_AUD_M_CTS_ENABLE_A, _HSW_AUD_M_CTS_ENABLE_B)
#define   AUD_M_CTS_M_VALUE_INDEX	(1 << 21)
#define   AUD_M_CTS_M_PROG_ENABLE	(1 << 20)
#define   AUD_CONFIG_M_MASK		0xfffff

#define _HSW_AUD_DIP_ELD_CTRL_ST_A	0x650b4
#define _HSW_AUD_DIP_ELD_CTRL_ST_B	0x651b4
#define HSW_AUD_DIP_ELD_CTRL(trans)	_MMIO_TRANS(trans, _HSW_AUD_DIP_ELD_CTRL_ST_A, _HSW_AUD_DIP_ELD_CTRL_ST_B)

/* Audio Digital Converter */
#define _HSW_AUD_DIG_CNVT_1		0x65080
#define _HSW_AUD_DIG_CNVT_2		0x65180
#define AUD_DIG_CNVT(trans)		_MMIO_TRANS(trans, _HSW_AUD_DIG_CNVT_1, _HSW_AUD_DIG_CNVT_2)
#define DIP_PORT_SEL_MASK		0x3

#define _HSW_AUD_EDID_DATA_A		0x65050
#define _HSW_AUD_EDID_DATA_B		0x65150
#define HSW_AUD_EDID_DATA(trans)	_MMIO_TRANS(trans, _HSW_AUD_EDID_DATA_A, _HSW_AUD_EDID_DATA_B)

#define HSW_AUD_PIPE_CONV_CFG		_MMIO(0x6507c)
#define HSW_AUD_PIN_ELD_CP_VLD		_MMIO(0x650c0)
#define   AUDIO_INACTIVE(trans)		((1 << 3) << ((trans) * 4))
#define   AUDIO_OUTPUT_ENABLE(trans)	((1 << 2) << ((trans) * 4))
#define   AUDIO_CP_READY(trans)		((1 << 1) << ((trans) * 4))
#define   AUDIO_ELD_VALID(trans)	((1 << 0) << ((trans) * 4))

#define _AUD_TCA_DP_2DOT0_CTRL		0x650bc
#define _AUD_TCB_DP_2DOT0_CTRL		0x651bc
#define AUD_DP_2DOT0_CTRL(trans)	_MMIO_TRANS(trans, _AUD_TCA_DP_2DOT0_CTRL, _AUD_TCB_DP_2DOT0_CTRL)
#define  AUD_ENABLE_SDP_SPLIT		REG_BIT(31)

#define HSW_AUD_CHICKENBIT			_MMIO(0x65f10)
#define   SKL_AUD_CODEC_WAKE_SIGNAL		(1 << 15)

#define AUD_FREQ_CNTRL			_MMIO(0x65900)
#define AUD_PIN_BUF_CTL		_MMIO(0x48414)
#define   AUD_PIN_BUF_ENABLE		REG_BIT(31)

#define AUD_TS_CDCLK_M			_MMIO(0x65ea0)
#define   AUD_TS_CDCLK_M_EN		REG_BIT(31)
#define AUD_TS_CDCLK_N			_MMIO(0x65ea4)

/* Display Audio Config Reg */
#define AUD_CONFIG_BE			_MMIO(0x65ef0)
#define HBLANK_EARLY_ENABLE_ICL(pipe)		(0x1 << (20 - (pipe)))
#define HBLANK_EARLY_ENABLE_TGL(pipe)		(0x1 << (24 + (pipe)))
#define HBLANK_START_COUNT_MASK(pipe)		(0x7 << (3 + ((pipe) * 6)))
#define HBLANK_START_COUNT(pipe, val)		(((val) & 0x7) << (3 + ((pipe)) * 6))
#define NUMBER_SAMPLES_PER_LINE_MASK(pipe)	(0x3 << ((pipe) * 6))
#define NUMBER_SAMPLES_PER_LINE(pipe, val)	(((val) & 0x3) << ((pipe) * 6))

#define HBLANK_START_COUNT_8	0
#define HBLANK_START_COUNT_16	1
#define HBLANK_START_COUNT_32	2
#define HBLANK_START_COUNT_64	3
#define HBLANK_START_COUNT_96	4
#define HBLANK_START_COUNT_128	5

#endif /* __INTEL_AUDIO_REGS_H__ */