[PATCH 3/4] media: i2c: Add TDA1997x HDMI receiver driver

From: Tim Harvey
Date: Fri Sep 22 2017 - 18:22:03 EST

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Add support for the TDA1997x HDMI receivers.

Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
---
drivers/media/i2c/Kconfig | 9 +
drivers/media/i2c/Makefile | 1 +
drivers/media/i2c/tda1997x.c | 3065 ++++++++++++++++++++++++++++++++++
include/dt-bindings/media/tda1997x.h | 78 +
include/media/i2c/tda1997x.h | 53 +
5 files changed, 3206 insertions(+)
create mode 100644 drivers/media/i2c/tda1997x.c
create mode 100644 include/dt-bindings/media/tda1997x.h
create mode 100644 include/media/i2c/tda1997x.h

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 9415389..c2b0400 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -56,6 +56,15 @@ config VIDEO_TDA9840
To compile this driver as a module, choose M here: the
module will be called tda9840.

+config VIDEO_TDA1997X
+ tristate "NXP TDA1997x HDMI receiver"
+ depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
+ ---help---
+ V4L2 subdevice driver for the NXP TDA1997x HDMI receivers.
+
+ To compile this driver as a module, choose M here: the
+ module will be called tda1997x.
+
config VIDEO_TEA6415C
tristate "Philips TEA6415C audio processor"
depends on I2C
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index c843c18..58f2b2e 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_VIDEO_TVAUDIO) += tvaudio.o
obj-$(CONFIG_VIDEO_TDA7432) += tda7432.o
obj-$(CONFIG_VIDEO_SAA6588) += saa6588.o
obj-$(CONFIG_VIDEO_TDA9840) += tda9840.o
+obj-$(CONFIG_VIDEO_TDA1997X) += tda1997x.o
obj-$(CONFIG_VIDEO_TEA6415C) += tea6415c.o
obj-$(CONFIG_VIDEO_TEA6420) += tea6420.o
obj-$(CONFIG_VIDEO_SAA7110) += saa7110.o
diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c
new file mode 100644
index 0000000..ca3fec8
--- /dev/null
+++ b/drivers/media/i2c/tda1997x.c
@@ -0,0 +1,3065 @@
+/*
+ * Copyright (C) 2017 Gateworks Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/delay.h>
+#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_graph.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/types.h>
+#include <linux/v4l2-dv-timings.h>
+#include <linux/videodev2.h>
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-dv-timings.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-fwnode.h>
+#include <media/i2c/tda1997x.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <dt-bindings/media/tda1997x.h>
+
+/* debug level */
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug level (0-2)");
+
+/* Page 0x00 - General Control */
+#define REG_VERSION 0x0000
+#define REG_INPUT_SEL 0x0001
+#define REG_SVC_MODE 0x0002
+#define REG_HPD_MAN_CTRL 0x0003
+#define REG_RT_MAN_CTRL 0x0004
+#define REG_STANDBY_SOFT_RST 0x000A
+#define REG_HDMI_SOFT_RST 0x000B
+#define REG_HDMI_INFO_RST 0x000C
+#define REG_INT_FLG_CLR_TOP 0x000E
+#define REG_INT_FLG_CLR_SUS 0x000F
+#define REG_INT_FLG_CLR_DDC 0x0010
+#define REG_INT_FLG_CLR_RATE 0x0011
+#define REG_INT_FLG_CLR_MODE 0x0012
+#define REG_INT_FLG_CLR_INFO 0x0013
+#define REG_INT_FLG_CLR_AUDIO 0x0014
+#define REG_INT_FLG_CLR_HDCP 0x0015
+#define REG_INT_FLG_CLR_AFE 0x0016
+#define REG_INT_MASK_TOP 0x0017
+#define REG_INT_MASK_SUS 0x0018
+#define REG_INT_MASK_DDC 0x0019
+#define REG_INT_MASK_RATE 0x001A
+#define REG_INT_MASK_MODE 0x001B
+#define REG_INT_MASK_INFO 0x001C
+#define REG_INT_MASK_AUDIO 0x001D
+#define REG_INT_MASK_HDCP 0x001E
+#define REG_INT_MASK_AFE 0x001F
+#define REG_DETECT_5V 0x0020
+#define REG_SUS_STATUS 0x0021
+#define REG_V_PER 0x0022
+#define REG_H_PER 0x0025
+#define REG_HS_WIDTH 0x0027
+#define REG_FMT_H_TOT 0x0029
+#define REG_FMT_H_ACT 0x002b
+#define REG_FMT_H_FRONT 0x002d
+#define REG_FMT_H_SYNC 0x002f
+#define REG_FMT_H_BACK 0x0031
+#define REG_FMT_V_TOT 0x0033
+#define REG_FMT_V_ACT 0x0035
+#define REG_FMT_V_FRONT_F1 0x0037
+#define REG_FMT_V_FRONT_F2 0x0038
+#define REG_FMT_V_SYNC 0x0039
+#define REG_FMT_V_BACK_F1 0x003a
+#define REG_FMT_V_BACK_F2 0x003b
+#define REG_FMT_DE_ACT 0x003c
+#define REG_RATE_CTRL 0x0040
+#define REG_CLK_MIN_RATE 0x0043
+#define REG_CLK_MAX_RATE 0x0046
+#define REG_CLK_A_STATUS 0x0049
+#define REG_CLK_A_RATE 0x004A
+#define REG_DRIFT_CLK_A_REG 0x004D
+#define REG_CLK_B_STATUS 0x004E
+#define REG_CLK_B_RATE 0x004F
+#define REG_DRIFT_CLK_B_REG 0x0052
+#define REG_HDCP_CTRL 0x0060
+#define REG_HDCP_KDS 0x0061
+#define REG_HDCP_BCAPS 0x0063
+#define REG_HDCP_KEY_CTRL 0x0064
+#define REG_INFO_CTRL 0x0076
+#define REG_INFO_EXCEED 0x0077
+#define REG_PIX_REPEAT 0x007B
+#define REG_AUDIO_PATH 0x007C
+#define REG_AUDCFG 0x007D
+#define REG_AUDIO_OUT_ENABLE 0x007E
+#define REG_AUDIO_OUT_HIZ 0x007F
+#define REG_VDP_CTRL 0x0080
+#define REG_VDP_MATRIX 0x0081
+#define REG_VHREF_CTRL 0x00A0
+#define REG_PXCNT_PR 0x00A2
+#define REG_PXCNT_NPIX 0x00A4
+#define REG_LCNT_PR 0x00A6
+#define REG_LCNT_NLIN 0x00A8
+#define REG_HREF_S 0x00AA
+#define REG_HREF_E 0x00AC
+#define REG_HS_S 0x00AE
+#define REG_HS_E 0x00B0
+#define REG_VREF_F1_S 0x00B2
+#define REG_VREF_F1_WIDTH 0x00B4
+#define REG_VREF_F2_S 0x00B5
+#define REG_VREF_F2_WIDTH 0x00B7
+#define REG_VS_F1_LINE_S 0x00B8
+#define REG_VS_F1_LINE_WIDTH 0x00BA
+#define REG_VS_F2_LINE_S 0x00BB
+#define REG_VS_F2_LINE_WIDTH 0x00BD
+#define REG_VS_F1_PIX_S 0x00BE
+#define REG_VS_F1_PIX_E 0x00C0
+#define REG_VS_F2_PIX_S 0x00C2
+#define REG_VS_F2_PIX_E 0x00C4
+#define REG_FREF_F1_S 0x00C6
+#define REG_FREF_F2_S 0x00C8
+#define REG_FDW_S 0x00ca
+#define REG_FDW_E 0x00cc
+#define REG_BLK_GY 0x00da
+#define REG_BLK_BU 0x00dc
+#define REG_BLK_RV 0x00de
+#define REG_FILTERS_CTRL 0x00e0
+#define REG_DITHERING_CTRL 0x00E9
+#define REG_OF 0x00EA
+#define REG_PCLK 0x00EB
+#define REG_HS_HREF 0x00EC
+#define REG_VS_VREF 0x00ED
+#define REG_DE_FREF 0x00EE
+#define REG_VP35_32_CTRL 0x00EF
+#define REG_VP31_28_CTRL 0x00F0
+#define REG_VP27_24_CTRL 0x00F1
+#define REG_VP23_20_CTRL 0x00F2
+#define REG_VP19_16_CTRL 0x00F3
+#define REG_VP15_12_CTRL 0x00F4
+#define REG_VP11_08_CTRL 0x00F5
+#define REG_VP07_04_CTRL 0x00F6
+#define REG_VP03_00_CTRL 0x00F7
+#define REG_CURPAGE_00H 0xFF
+
+#define MASK_VPER 0x3fffff
+#define MASK_VHREF 0x3fff
+#define MASK_HPER 0x0fff
+#define MASK_HSWIDTH 0x03ff
+
+/* Input Select */
+#define INPUT_SEL_RST_FMT BIT(7) /* 1=reset format measurement */
+#define INPUT_SEL_RST_VDP BIT(2) /* 1=reset video data path */
+#define INPUT_SEL_OUT_MODE BIT(1) /* 0=loop 1=bypass */
+#define INPUT_SEL_B BIT(0) /* 0=inputA 1=inputB */
+
+/* Service Mode */
+#define SVC_MODE_CLK2_MASK 0xc0
+#define SVC_MODE_CLK2_SHIFT 6
+#define SVC_MODE_CLK2_XTL 0L
+#define SVC_MODE_CLK2_XTLDIV2 1L
+#define SVC_MODE_CLK2_HDMIX2 3L
+#define SVC_MODE_CLK1_MASK 0x30
+#define SVC_MODE_CLK1_SHIFT 4
+#define SVC_MODE_CLK1_XTAL 0L
+#define SVC_MODE_CLK1_XTLDIV2 1L
+#define SVC_MODE_CLK1_HDMI 3L
+#define SVC_MODE_RAMP BIT(3) /* 0=colorbar 1=ramp */
+#define SVC_MODE_PAL BIT(2) /* 0=NTSC(480i/p) 1=PAL(576i/p) */
+#define SVC_MODE_INT_PROG BIT(1) /* 0=interlaced 1=progressive */
+#define SVC_MODE_SM_ON BIT(0) /* Enable color bars and tone gen */
+
+/* HDP Manual Control */
+#define HPD_MAN_CTRL_HPD_PULSE BIT(7) /* HPD Pulse low 110ms */
+#define HPD_MAN_CTRL_5VEN BIT(2) /* Output 5V */
+#define HPD_MAN_CTRL_HPD_B BIT(1) /* Assert HPD High for Input A */
+#define HPD_MAN_CTRL_HPD_A BIT(0) /* Assert HPD High for Input A */
+
+/* RT_MAN_CTRL */
+#define RT_MAN_CTRL_RT_AUTO BIT(7)
+#define RT_MAN_CTRL_RT BIT(6)
+#define RT_MAN_CTRL_RT_B BIT(1) /* enable TMDS pull-up on Input B */
+#define RT_MAN_CTRL_RT_A BIT(0) /* enable TMDS pull-up on Input A */
+
+/* VDP_CTRL */
+#define VDP_CTRL_COMPDEL_BP BIT(5) /* bypass compdel */
+#define VDP_CTRL_FORMATTER_BP BIT(4) /* bypass formatter */
+#define VDP_CTRL_PREFILTER_BP BIT(1) /* bypass prefilter */
+#define VDP_CTRL_MATRIX_BP BIT(0) /* bypass matrix conversion */
+
+/* REG_VHREF_CTRL */
+#define VHREF_INT_DET BIT(7) /* interlace detect: 1=alt 0=frame */
+#define VHREF_VSYNC_MASK 0x60
+#define VHREF_VSYNC_SHIFT 6
+#define VHREF_VSYNC_AUTO 0L
+#define VHREF_VSYNC_FDW 1L
+#define VHREF_VSYNC_EVEN 2L
+#define VHREF_VSYNC_ODD 3L
+#define VHREF_STD_DET_MASK 0x18
+#define VHREF_STD_DET_SHIFT 3
+#define VHREF_STD_DET_PAL 0L
+#define VHREF_STD_DET_NTSC 1L
+#define VHREF_STD_DET_AUTO 2L
+#define VHREF_STD_DET_OFF 3L
+#define VHREF_VREF_SRC_STD BIT(2) /* 1=from standard 0=manual */
+#define VHREF_HREF_SRC_STD BIT(1) /* 1=from standard 0=manual */
+#define VHREF_HSYNC_SEL_HS BIT(0) /* 1=HS 0=VS */
+
+/* AUDIO_OUT_ENABLE */
+#define AUDIO_OUT_ENABLE_ACLK BIT(5)
+#define AUDIO_OUT_ENABLE_WS BIT(4)
+#define AUDIO_OUT_ENABLE_AP3 BIT(3)
+#define AUDIO_OUT_ENABLE_AP2 BIT(2)
+#define AUDIO_OUT_ENABLE_AP1 BIT(1)
+#define AUDIO_OUT_ENABLE_AP0 BIT(0)
+
+/* Prefilter Control */
+#define FILTERS_CTRL_BU_MASK 0x0c
+#define FILTERS_CTRL_BU_SHIFT 2
+#define FILTERS_CTRL_RV_MASK 0x03
+#define FILTERS_CTRL_RV_SHIFT 0
+#define FILTERS_CTRL_OFF 0L /* off */
+#define FILTERS_CTRL_2TAP 1L /* 2 Taps */
+#define FILTERS_CTRL_7TAP 2L /* 7 Taps */
+#define FILTERS_CTRL_2_7TAP 3L /* 2/7 Taps */
+
+/* PCLK Configuration */
+#define PCLK_DELAY_MASK 0x70
+#define PCLK_DELAY_SHIFT 4 /* Pixel delay (-8..+7) */
+#define PCLK_INV_SHIFT 2
+#define PCLK_SEL_MASK 0x03 /* clock scaler */
+#define PCLK_SEL_SHIFT 0
+#define PCLK_SEL_X1 0L
+#define PCLK_SEL_X2 1L
+#define PCLK_SEL_DIV2 2L
+#define PCLK_SEL_DIV4 3L
+
+/* Pixel Repeater */
+#define PIX_REPEAT_MASK_UP_SEL 0x30
+#define PIX_REPEAT_MASK_REP 0x0f
+#define PIX_REPEAT_SHIFT 4
+#define PIX_REPEAT_CHROMA 1
+
+/* Page 0x01 - HDMI info and packets */
+#define REG_HDMI_FLAGS 0x0100
+#define REG_DEEP_COLOR_MODE 0x0101
+#define REG_AUDIO_FLAGS 0x0108
+#define REG_AUDIO_FREQ 0x0109
+#define REG_ACP_PACKET_TYPE 0x0141
+#define REG_ISRC1_PACKET_TYPE 0x0161
+#define REG_ISRC2_PACKET_TYPE 0x0181
+#define REG_GBD_PACKET_TYPE 0x01a1
+
+/* HDMI_FLAGS */
+#define HDMI_FLAGS_AUDIO BIT(7) /* Audio packet in last videoframe */
+#define HDMI_FLAGS_HDMI BIT(6) /* HDMI detected */
+#define HDMI_FLAGS_EESS BIT(5) /* EESS detected */
+#define HDMI_FLAGS_HDCP BIT(4) /* HDCP detected */
+#define HDMI_FLAGS_AVMUTE BIT(3) /* AVMUTE */
+#define HDMI_FLAGS_AUD_LAYOUT BIT(2) /* Layout status Audio sample packet */
+#define HDMI_FLAGS_AUD_FIFO_OF BIT(1) /* FIFO read/write pointers crossed */
+#define HDMI_FLAGS_AUD_FIFO_LOW BIT(0) /* FIFO read ptr within 2 of write */
+
+/* Page 0x12 - HDMI Extra control and debug */
+#define REG_CLK_CFG 0x1200
+#define REG_CLK_OUT_CFG 0x1201
+#define REG_CFG1 0x1202
+#define REG_CFG2 0x1203
+#define REG_WDL_CFG 0x1210
+#define REG_DELOCK_DELAY 0x1212
+#define REG_PON_OVR_EN 0x12A0
+#define REG_PON_CBIAS 0x12A1
+#define REG_PON_RESCAL 0x12A2
+#define REG_PON_RES 0x12A3
+#define REG_PON_CLK 0x12A4
+#define REG_PON_PLL 0x12A5
+#define REG_PON_EQ 0x12A6
+#define REG_PON_DES 0x12A7
+#define REG_PON_OUT 0x12A8
+#define REG_PON_MUX 0x12A9
+#define REG_MODE_REC_CFG1 0x12F8
+#define REG_MODE_REC_CFG2 0x12F9
+#define REG_MODE_REC_STS 0x12FA
+#define REG_AUDIO_LAYOUT 0x12D0
+
+#define PON_EN 1
+#define PON_DIS 0
+
+/* CLK CFG */
+#define CLK_CFG_INV_OUT_CLK BIT(7)
+#define CLK_CFG_INV_BUS_CLK BIT(6)
+#define CLK_CFG_SEL_ACLK_EN BIT(1)
+#define CLK_CFG_SEL_ACLK BIT(0)
+#define CLK_CFG_DIS 0
+
+/* Page 0x13 - HDMI Extra control and debug */
+#define REG_DEEP_COLOR_CTRL 0x1300
+#define REG_CGU_DBG_SEL 0x1305
+#define REG_HDCP_DDC_ADDR 0x1310
+#define REG_HDCP_KIDX 0x1316
+#define REG_DEEP_PLL7_BYP 0x1347
+#define REG_HDCP_DE_CTRL 0x1370
+#define REG_HDCP_EP_FILT_CTRL 0x1371
+#define REG_HDMI_CTRL 0x1377
+#define REG_HMTP_CTRL 0x137a
+#define REG_TIMER_D 0x13CF
+#define REG_SUS_SET_RGB0 0x13E1
+#define REG_SUS_SET_RGB1 0x13E2
+#define REG_SUS_SET_RGB2 0x13E3
+#define REG_SUS_SET_RGB3 0x13E4
+#define REG_SUS_SET_RGB4 0x13E5
+#define REG_MAN_SUS_HDMI_SEL 0x13E8
+#define REG_MAN_HDMI_SET 0x13E9
+#define REG_SUS_CLOCK_GOOD 0x13EF
+
+/* HDCP DE Control */
+#define HDCP_DE_MODE_MASK 0xc0 /* DE Measurement mode */
+#define HDCP_DE_MODE_SHIFT 6
+#define HDCP_DE_REGEN_EN BIT(5) /* enable regen mode */
+#define HDCP_DE_FILTER_MASK 0x18 /* DE filter sensitivity */
+#define HDCP_DE_FILTER_SHIFT 3
+#define HDCP_DE_COMP_MASK 0x07 /* DE Composition mode */
+#define HDCP_DE_COMP_MIXED 6L
+#define HDCP_DE_COMP_OR 5L
+#define HDCP_DE_COMP_AND 4L
+#define HDCP_DE_COMP_CH3 3L
+#define HDCP_DE_COMP_CH2 2L
+#define HDCP_DE_COMP_CH1 1L
+#define HDCP_DE_COMP_CH0 0L
+
+/* HDCP EP Filter Control */
+#define HDCP_EP_FIL_CTL_MASK 0x30
+#define HDCP_EP_FIL_CTL_SHIFT 4
+#define HDCP_EP_FIL_VS_MASK 0x0c
+#define HDCP_EP_FIL_VS_SHIFT 2
+#define HDCP_EP_FIL_HS_MASK 0x03
+#define HDCP_EP_FIL_HS_SHIFT 0
+
+/* HDMI_CTRL */
+#define HDMI_CTRL_MUTE_MASK 0x0c
+#define HDMI_CTRL_MUTE_SHIFT 2
+#define HDMI_CTRL_MUTE_AUTO 0L
+#define HDMI_CTRL_MUTE_OFF 1L
+#define HDMI_CTRL_MUTE_ON 2L
+#define HDMI_CTRL_HDCP_MASK 0x03
+#define HDMI_CTRL_HDCP_SHIFT 0
+#define HDMI_CTRL_HDCP_EESS 2L
+#define HDMI_CTRL_HDCP_OESS 1L
+#define HDMI_CTRL_HDCP_AUTO 0L
+
+/* CGU_DBG_SEL bits */
+#define CGU_DBG_CLK_SEL_MASK 0x18
+#define CGU_DBG_CLK_SEL_SHIFT 3
+#define CGU_DBG_XO_FRO_SEL BIT(2)
+#define CGU_DBG_VDP_CLK_SEL BIT(1)
+#define CGU_DBG_PIX_CLK_SEL BIT(0)
+
+/* REG_MAN_SUS_HDMI_SEL / REG_MAN_HDMI_SET bits */
+#define MAN_DIS_OUT_BUF BIT(7)
+#define MAN_DIS_ANA_PATH BIT(6)
+#define MAN_DIS_HDCP BIT(5)
+#define MAN_DIS_TMDS_ENC BIT(4)
+#define MAN_DIS_TMDS_FLOW BIT(3)
+#define MAN_RST_HDCP BIT(2)
+#define MAN_RST_TMDS_ENC BIT(1)
+#define MAN_RST_TMDS_FLOW BIT(0)
+
+/* Page 0x14 - Audio Extra control and debug */
+#define REG_FIFO_LATENCY_VAL 0x1403
+#define REG_AUDIO_CLOCK 0x1411
+#define REG_TEST_NCTS_CTRL 0x1415
+#define REG_TEST_AUDIO_FREQ 0x1426
+#define REG_TEST_MODE 0x1437
+
+/* Audio Clock Configuration */
+#define AUDIO_CLOCK_PLL_PD BIT(7) /* powerdown PLL */
+#define AUDIO_CLOCK_SEL_MASK 0x7f
+#define AUDIO_CLOCK_SEL_16FS 0L /* 16*fs */
+#define AUDIO_CLOCK_SEL_32FS 1L /* 32*fs */
+#define AUDIO_CLOCK_SEL_64FS 2L /* 64*fs */
+#define AUDIO_CLOCK_SEL_128FS 3L /* 128*fs */
+#define AUDIO_CLOCK_SEL_256FS 4L /* 256*fs */
+#define AUDIO_CLOCK_SEL_512FS 5L /* 512*fs */
+
+/* Page 0x20: EDID and Hotplug Detect */
+#define REG_EDID_IN_BYTE0 0x2000 /* EDID base */
+#define REG_EDID_IN_VERSION 0x2080
+#define REG_EDID_ENABLE 0x2081
+#define REG_HPD_POWER 0x2084
+#define REG_HPD_AUTO_CTRL 0x2085
+#define REG_HPD_DURATION 0x2086
+#define REG_RX_HPD_HEAC 0x2087
+
+/* EDID_ENABLE */
+#define EDID_ENABLE_NACK_OFF BIT(7)
+#define EDID_ENABLE_EDID_ONLY BIT(6)
+#define EDID_ENABLE_B_EN BIT(1)
+#define EDID_ENABLE_A_EN BIT(0)
+
+/* HPD Power */
+#define HPD_POWER_BP_MASK 0x0c
+#define HPD_POWER_BP_SHIFT 2
+#define HPD_POWER_BP_LOW 0L
+#define HPD_POWER_BP_HIGH 1L
+#define HPD_POWER_EDID_ONLY BIT(1)
+
+/* HPD Auto control */
+#define HPD_AUTO_READ_EDID BIT(7)
+#define HPD_AUTO_HPD_F3TECH BIT(5)
+#define HPD_AUTO_HP_OTHER BIT(4)
+#define HPD_AUTO_HPD_UNSEL BIT(3)
+#define HPD_AUTO_HPD_ALL_CH BIT(2)
+#define HPD_AUTO_HPD_PRV_CH BIT(1)
+#define HPD_AUTO_HPD_NEW_CH BIT(0)
+
+/* Page 0x21 - EDID content */
+#define REG_EDID_IN_BYTE128 0x2100 /* CEA Extension block */
+#define REG_EDID_IN_SPA_SUB 0x2180
+#define REG_EDID_IN_SPA_AB_A 0x2181
+#define REG_EDID_IN_SPA_CD_A 0x2182
+#define REG_EDID_IN_CKSUM_A 0x2183
+#define REG_EDID_IN_SPA_AB_B 0x2184
+#define REG_EDID_IN_SPA_CD_B 0x2185
+#define REG_EDID_IN_CKSUM_B 0x2186
+
+/* Page 0x30 - NV Configuration */
+#define REG_RT_AUTO_CTRL 0x3000
+#define REG_EQ_MAN_CTRL0 0x3001
+#define REG_EQ_MAN_CTRL1 0x3002
+#define REG_OUTPUT_CFG 0x3003
+#define REG_MUTE_CTRL 0x3004
+#define REG_SLAVE_ADDR 0x3005
+#define REG_CMTP_REG6 0x3006
+#define REG_CMTP_REG7 0x3007
+#define REG_CMTP_REG8 0x3008
+#define REG_CMTP_REG9 0x3009
+#define REG_CMTP_REGA 0x300A
+#define REG_CMTP_REGB 0x300B
+#define REG_CMTP_REGC 0x300C
+#define REG_CMTP_REGD 0x300D
+#define REG_CMTP_REGE 0x300E
+#define REG_CMTP_REGF 0x300F
+#define REG_CMTP_REG10 0x3010
+#define REG_CMTP_REG11 0x3011
+
+/* Page 0x80 - CEC */
+#define REG_PWR_CONTROL 0x80F4
+#define REG_OSC_DIVIDER 0x80F5
+#define REG_EN_OSC_PERIOD_LSB 0x80F8
+#define REG_CONTROL 0x80FF
+
+/* global interrupt flags (INT_FLG_CRL_TOP) */
+#define INTERRUPT_AFE BIT(7) /* AFE module */
+#define INTERRUPT_HDCP BIT(6) /* HDCP module */
+#define INTERRUPT_AUDIO BIT(5) /* Audio module */
+#define INTERRUPT_INFO BIT(4) /* Infoframe module */
+#define INTERRUPT_MODE BIT(3) /* HDMI mode module */
+#define INTERRUPT_RATE BIT(2) /* rate module */
+#define INTERRUPT_DDC BIT(1) /* DDC module */
+#define INTERRUPT_SUS BIT(0) /* SUS module */
+
+/* INT_FLG_CLR_HDCP bits */
+#define MASK_HDCP_MTP BIT(7) /* HDCP MTP busy */
+#define MASK_HDCP_DLMTP BIT(4) /* HDCP end download MTP to SRAM */
+#define MASK_HDCP_DLRAM BIT(3) /* HDCP end download keys from SRAM */
+#define MASK_HDCP_ENC BIT(2) /* HDCP ENC */
+#define MASK_STATE_C5 BIT(1) /* HDCP State C5 reached */
+#define MASK_AKSV BIT(0) /* AKSV received (start of auth) */
+
+/* INT_FLG_CLR_RATE bits */
+#define MASK_RATE_B_DRIFT BIT(7) /* Rate measurement drifted */
+#define MASK_RATE_B_ST BIT(6) /* Rate measurement stability change */
+#define MASK_RATE_B_ACT BIT(5) /* Rate measurement activity change */
+#define MASK_RATE_B_PST BIT(4) /* Rate measreument presence change */
+#define MASK_RATE_A_DRIFT BIT(3) /* Rate measurement drifted */
+#define MASK_RATE_A_ST BIT(2) /* Rate measurement stability change */
+#define MASK_RATE_A_ACT BIT(1) /* Rate measurement presence change */
+#define MASK_RATE_A_PST BIT(0) /* Rate measreument presence change */
+
+/* INT_FLG_CLR_SUS (Start Up Sequencer) bits */
+#define MASK_MPT BIT(7) /* Config MTP end of process */
+#define MASK_FMT BIT(5) /* Video format changed */
+#define MASK_RT_PULSE BIT(4) /* End of termination resistance pulse */
+#define MASK_SUS_END BIT(3) /* SUS last state reached */
+#define MASK_SUS_ACT BIT(2) /* Activity of selected input changed */
+#define MASK_SUS_CH BIT(1) /* Selected input changed */
+#define MASK_SUS_ST BIT(0) /* SUS state changed */
+
+/* INT_FLG_CLR_DDC bits */
+#define MASK_EDID_MTP BIT(7) /* EDID MTP end of process */
+#define MASK_DDC_ERR BIT(6) /* master DDC error */
+#define MASK_DDC_CMD_DONE BIT(5) /* master DDC cmd send correct */
+#define MASK_READ_DONE BIT(4) /* End of down EDID read */
+#define MASK_RX_DDC_SW BIT(3) /* Output DDC switching finished */
+#define MASK_HDCP_DDC_SW BIT(2) /* HDCP DDC switching finished */
+#define MASK_HDP_PULSE_END BIT(1) /* End of Hot Plug Detect pulse */
+#define MASK_DET_5V BIT(0) /* Detection of +5V */
+
+/* INT_FLG_CLR_MODE bits */
+#define MASK_HDMI_FLG BIT(7) /* HDMI mode/avmute/encrypt/FIFO fail */
+#define MASK_GAMUT BIT(6) /* Gamut packet */
+#define MASK_ISRC2 BIT(5) /* ISRC2 packet */
+#define MASK_ISRC1 BIT(4) /* ISRC1 packet */
+#define MASK_ACP BIT(3) /* Audio Content Protection packet */
+#define MASK_DC_NO_GCP BIT(2) /* GCP not received in 5 frames */
+#define MASK_DC_PHASE BIT(1) /* deepcolor pixel phase needs update */
+#define MASK_DC_MODE BIT(0) /* deepcolor color depth changed */
+
+/* INT_FLG_CLR_INFO bits (Infoframe Change Status) */
+#define MASK_MPS_IF BIT(6) /* MPEG Source Product */
+#define MASK_AUD_IF BIT(5) /* Audio */
+#define MASK_SPD_IF BIT(4) /* Source Product Descriptor */
+#define MASK_AVI_IF BIT(3) /* Auxiliary Video IF */
+#define MASK_VS_IF_OTHER_BK2 BIT(2) /* Vendor Specific (bank2) */
+#define MASK_VS_IF_OTHER_BK1 BIT(1) /* Vendor Specific (bank1) */
+#define MASK_VS_IF_HDMI BIT(0) /* Vendor Specific (w/ HDMI LLC code) */
+
+/* INT_FLG_CLR_AUDIO bits */
+#define MASK_AUDIO_FREQ_FLG BIT(5) /* Audio freq change */
+#define MASK_AUDIO_FLG BIT(4) /* DST, OBA, HBR, ASP change */
+#define MASK_MUTE_FLG BIT(3) /* Audio Mute */
+#define MASK_CH_STATE BIT(2) /* Channel status */
+#define MASK_UNMUTE_FIFO BIT(1) /* Audio Unmute */
+#define MASK_ERROR_FIFO_PT BIT(0) /* Audio FIFO pointer error */
+
+/* INT_FLG_CLR_AFE bits */
+#define MASK_AFE_WDL_UNLOCKED BIT(7) /* Wordlocker was unlocked */
+#define MASK_AFE_GAIN_DONE BIT(6) /* Gain calibration done */
+#define MASK_AFE_OFFSET_DONE BIT(5) /* Offset calibration done */
+#define MASK_AFE_ACTIVITY_DET BIT(4) /* Activity detected on data */
+#define MASK_AFE_PLL_LOCK BIT(3) /* TMDS PLL is locked */
+#define MASK_AFE_TRMCAL_DONE BIT(2) /* Termination calibration done */
+#define MASK_AFE_ASU_STATE BIT(1) /* ASU state is reached */
+#define MASK_AFE_ASU_READY BIT(0) /* AFE calibration done: TMDS ready */
+
+/* Audio Output */
+#define AUDCFG_CLK_INVERT BIT(7) /* invert A_CLK polarity */
+#define AUDCFG_TEST_TONE BIT(6) /* enable test tone generator */
+#define AUDCFG_BUS_SHIFT 5
+#define AUDCFG_BUS_I2S 0L
+#define AUDCFG_BUS_SPDIF 1L
+#define AUDCFG_I2SW_SHIFT 4
+#define AUDCFG_I2SW_16 0L
+#define AUDCFG_I2SW_32 1L
+#define AUDCFG_AUTO_MUTE_EN BIT(3) /* Enable Automatic audio mute */
+#define AUDCFG_HBR_SHIFT 2
+#define AUDCFG_HBR_STRAIGHT 0L /* straight via AP0 */
+#define AUDCFG_HBR_DEMUX 1L /* demuxed via AP0:AP3 */
+#define AUDCFG_TYPE_MASK 0x03
+#define AUDCFG_TYPE_SHIFT 0
+#define AUDCFG_TYPE_DST 3L /* Direct Stream Transfer (DST) */
+#define AUDCFG_TYPE_OBA 2L /* One Bit Audio (OBA) */
+#define AUDCFG_TYPE_HBR 1L /* High Bit Rate (HBR) */
+#define AUDCFG_TYPE_SAMPLES 0L /* Audio samples */
+
+/* Video Formatter */
+#define OF_VP_ENABLE BIT(7) /* VP[35:0]/HS/VS/DE/CLK */
+#define OF_BLK BIT(4) /* blanking codes */
+#define OF_TRC BIT(3) /* timing codes (SAV/EAV) */
+#define OF_FMT_MASK 0x3
+#define OF_FMT_444 0L /* RGB444/YUV444 */
+#define OF_FMT_422_SMPT 1L /* YUV422 semi-planar */
+#define OF_FMT_422_CCIR 2L /* YUV422 CCIR656 */
+
+/* HS/HREF output control */
+#define HS_HREF_DELAY_MASK 0xf0
+#define HS_HREF_DELAY_SHIFT 4 /* Pixel delay (-8..+7) */
+#define HS_HREF_PXQ_SHIFT 3 /* Timing codes from HREF */
+#define HS_HREF_INV_SHIFT 2 /* polarity (1=invert) */
+#define HS_HREF_SEL_MASK 0x03
+#define HS_HREF_SEL_SHIFT 0
+#define HS_HREF_SEL_HS_VHREF 0L /* HS from VHREF */
+#define HS_HREF_SEL_HREF_VHREF 1L /* HREF from VHREF */
+#define HS_HREF_SEL_HREF_HDMI 2L /* HREF from HDMI */
+#define HS_HREF_SEL_NONE 3L /* not generated */
+
+/* VS output control */
+#define VS_VREF_DELAY_MASK 0xf0
+#define VS_VREF_DELAY_SHIFT 4 /* Pixel delay (-8..+7) */
+#define VS_VREF_INV_SHIFT 2 /* polarity (1=invert) */
+#define VS_VREF_SEL_MASK 0x03
+#define VS_VREF_SEL_SHIFT 0
+#define VS_VREF_SEL_VS_VHREF 0L /* VS from VHREF */
+#define VS_VREF_SEL_VREF_VHREF 1L /* VREF from VHREF */
+#define VS_VREF_SEL_VREF_HDMI 2L /* VREF from HDMI */
+#define VS_VREF_SEL_NONE 3L /* not generated */
+
+/* DE/FREF output control */
+#define DE_FREF_DELAY_MASK 0xf0
+#define DE_FREF_DELAY_SHIFT 4 /* Pixel delay (-8..+7) */
+#define DE_FREF_DE_PXQ_SHIFT 3 /* Timing codes from DE */
+#define DE_FREF_INV_SHIFT 2 /* polarity (1=invert) */
+#define DE_FREF_SEL_MASK 0x03
+#define DE_FREF_SEL_SHIFT 0
+#define DE_FREF_SEL_DE_VHREF 0L /* DE from VHREF (HREF and not(VREF) */
+#define DE_FREF_SEL_FREF_VHREF 1L /* FREF from VHREF */
+#define DE_FREF_SEL_FREF_HDMI 2L /* FREF from HDMI */
+#define DE_FREF_SEL_NONE 3L /* not generated */
+
+/* HDMI_SOFT_RST bits */
+#define RESET_DC BIT(7) /* Reset deep color module */
+#define RESET_HDCP BIT(6) /* Reset HDCP module */
+#define RESET_KSV BIT(5) /* Reset KSV-FIFO */
+#define RESET_SCFG BIT(4) /* Reset HDCP and repeater function */
+#define RESET_HCFG BIT(3) /* Reset HDCP DDC part */
+#define RESET_PA BIT(2) /* Reset polarity adjust */
+#define RESET_EP BIT(1) /* Reset Error protection */
+#define RESET_TMDS BIT(0) /* Reset TMDS (calib, encoding, flow) */
+
+/* HDMI_INFO_RST bits */
+#define NACK_HDCP BIT(7) /* No ACK on HDCP request */
+#define RESET_FIFO BIT(4) /* Reset Audio FIFO control */
+#define RESET_GAMUT BIT(3) /* Clear Gamut packet */
+#define RESET_AI BIT(2) /* Clear ACP and ISRC packets */
+#define RESET_IF BIT(1) /* Clear all Audio infoframe packets */
+#define RESET_AUDIO BIT(0) /* Reset Audio FIFO control */
+
+/* HDCP_BCAPS bits */
+#define HDCP_HDMI BIT(7) /* HDCP suports HDMI (vs DVI only) */
+#define HDCP_REPEATER BIT(6) /* HDCP supports repeater function */
+#define HDCP_READY BIT(5) /* set by repeater function */
+#define HDCP_FAST BIT(4) /* Up to 400kHz */
+#define HDCP_11 BIT(1) /* HDCP 1.1 supported */
+#define HDCP_FAST_REAUTH BIT(0) /* fast reauthentication supported */
+
+/* Audio output formatter */
+#define AUDIO_LAYOUT_SP_FLAG BIT(2) /* sp flag used by FIFO */
+#define AUDIO_LAYOUT_MANUAL BIT(1) /* manual layout (vs per pkt) */
+
+/* masks for interrupt status registers */
+#define MASK_SUS_STATUS 0x1F
+#define LAST_STATE_REACHED 0x1B
+#define MASK_CLK_STABLE 0x04
+#define MASK_CLK_ACTIVE 0x02
+#define MASK_SUS_STATE 0x10
+#define MASK_SR_FIFO_FIFO_CTRL 0x30
+#define MASK_AUDIO_FLAG 0x10
+
+/* Rate measurement */
+#define RATE_REFTIM_ENABLE 0x01
+#define CLK_MIN_RATE 0x0057e4
+#define CLK_MAX_RATE 0x0395f8
+#define WDL_CFG_VAL 0x82
+#define DC_FILTER_VAL 0x31
+
+/* Infoframe */
+#define VS_HDMI_IF_UPDATE 0x0200
+#define VS_HDMI_IF 0x0201
+#define VS_BK1_IF_UPDATE 0x0220
+#define VS_BK1_IF 0x0221
+#define VS_BK2_IF_UPDATE 0x0240
+#define VS_BK2_IF 0x0241
+#define AVI_IF_UPDATE 0x0260
+#define AVI_IF 0x0261
+#define SPD_IF_UPDATE 0x0280
+#define SPD_IF 0x0281
+#define AUD_IF_UPDATE 0x02a0
+#define AUD_IF 0x02a1
+#define MPS_IF_UPDATE 0x02c0
+#define MPS_IF 0x02c1
+
+/* Video output port formats */
+static const char * const vidfmt_names[] = {
+ "RGB444/YUV444", /* RGB/YUV444 16bit data bus, 8bpp */
+ "YUV422 semi-planar", /* YUV422 16bit data base, 8bpp */
+ "YUV422 CCIR656", /* BT656 (YUV 8bpp 2 clock per pixel) */
+ "invalid",
+};
+
+/* Audio output port formats */
+static const char * const audfmt_names[] = {
+ "disabled",
+ "I2S16",
+ "I2S32",
+ "SPDIF",
+ "OBA",
+ "DST",
+ "I2S16_HBR",
+ "I2S16_HBR_DEMUX",
+ "I2S32_HBR_DEMUX",
+ "SPDIF_HBR_DEMUX",
+};
+
+/*
+ * Video Output formats
+ * There are 24 video output pins on TDA19971 and 36 on TDA19973 supporting
+ * the following output formats:
+ * - RGB444
+ * - YUV444
+ * - YUV422 semi-planar based on ITU-R BT.601
+ * - YUV422 ITU-R BT.656
+ *
+ * TDA19971 can output 3x8bits per pixel
+ * TDA19973 can output 3x8, 3x10, or 3x12bit per pixel
+ *
+ * Deep color modes (3x10 or 3x12 bits) are possible in any case.
+ *
+ * Reference: NXP AN1206 - TDA19971_TDA19973 receiver HW recommendation: 3.3.4
+ */
+static u32 tda19971_video_formats[] = {
+ /* 24bit RGB444: 1 pixel in 1x24bit sample: VP[23:0] */
+ MEDIA_BUS_FMT_RGB888_1X24,
+ /* 24bit YUV444: 1 pixel in 1x24bit sample: VP[23:0] */
+ MEDIA_BUS_FMT_YUV8_1X24,
+ /* 24bit YUV422: 1 pixel in 1x24bit sample: VP[23:12]/VP[11:0] */
+ MEDIA_BUS_FMT_UYVY12_1X24,
+ /* 20bit YUV422: 1 pixel in 1x20bit sample: VP[23:14]/VP[11:2] */
+ MEDIA_BUS_FMT_UYVY10_1X20,
+ /* 16bit YUV422: 1 pixel in 1x16bit sample: VP[23:16]/VP[15:8] */
+ MEDIA_BUS_FMT_UYVY8_1X16,
+ /* 12bit CCIR656: 1 pixel in 2x12bit samples: VP[23:12] */
+ MEDIA_BUS_FMT_UYVY12_2X12,
+ /* 10bit CCIR656: 1 pixel in 2x10bit samples: VP[23:14] */
+ MEDIA_BUS_FMT_UYVY10_2X10,
+ /* 8bit CCIR656: 1 pixel in 2x8bit samples: VP[23:16] */
+ MEDIA_BUS_FMT_UYVY8_2X8,
+};
+static u32 tda19973_video_formats[] = {
+ /* 36bit RGB444: 1 pixel in 1x36bit sample on VP[35:0] */
+ MEDIA_BUS_FMT_RGB121212_1X36,
+ /* 36bit YUV444 1 pixel in 1x36bit sample on VP[35:0] */
+ MEDIA_BUS_FMT_YUV12_1X36,
+ /* 24bit YUV422: 1 pixel in 1x24bit sample on VP[35:24]/VP[11:0] */
+ MEDIA_BUS_FMT_UYVY12_1X24,
+ /* 12bit CCIR656: 1 pixel in 2x12bit samples on VP[11:0] */
+ MEDIA_BUS_FMT_UYVY12_2X12,
+};
+
+/*
+ * Video Input formats
+ */
+struct vhref_values {
+ u16 href_start;
+ u16 href_end;
+ u16 vref_f1_start;
+ u8 vref_f1_width;
+ u16 vref_f2_start;
+ u8 vref_f2_width;
+ u16 fieldref_f1_start;
+ u8 fieldPolarity;
+ u16 fieldref_f2_start;
+};
+
+struct tda1997x_video_std {
+ const struct v4l2_dv_timings timings;
+ const struct vhref_values vhref_values;
+};
+
+static const struct tda1997x_video_std tda1997x_hdmi_modes[] = {
+ /* Low TV */
+ { V4L2_DV_BT_CEA_1280X720P24,
+ {261, 1541, 745, 30, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1280X720P25,
+ {261, 1541, 745, 30, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1280X720P30,
+ {261, 1541, 745, 30, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1920X1080P24,
+ {193, 2113, 1121, 45, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1920X1080P25,
+ {193, 2113, 1121, 45, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1920X1080P30,
+ {193, 2113, 1121, 45, 0, 0, 1, 0, 0}
+ },
+
+ /* 60 Hz TV */
+ { V4L2_DV_BT_CEA_720X480P59_94,
+ {123, 843, 516, 45, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1280X720P60,
+ {261, 1541, 745, 30, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1920X1080I60,
+ {193, 2113, 1123, 22, 560, 23, 1, 0, 563}
+ },
+ { V4L2_DV_BT_CEA_720X480I59_94,
+ {120, 840, 521, 22, 258, 23, 1, 0, 263}
+ },
+ { V4L2_DV_BT_CEA_1920X1080P60,
+ {193, 2113, 1121, 45, 0, 0, 1, 0, 0}
+ },
+
+ /* 50 Hz TV */
+ { V4L2_DV_BT_CEA_720X576P50,
+ {133, 853, 620, 49, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1280X720P50,
+ {261, 1541, 745, 30, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_CEA_1920X1080I50,
+ {193, 2113, 1123, 22, 560, 23, 1, 0, 563}
+ },
+ { V4L2_DV_BT_CEA_720X576I50,
+ {133, 853, 623, 24, 310, 25, 1, 0, 313 }
+ },
+ { V4L2_DV_BT_CEA_1920X1080P50,
+ {193, 2113, 1121, 45, 0, 0, 1, 0, 0}
+ },
+
+ /* 60 Hz PC */
+ { V4L2_DV_BT_DMT_640X480P60,
+ {145, 785, 515, 45, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_800X600P60,
+ {217, 1017, 627, 28, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1024X768P60,
+ {297, 1321, 803, 38, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X768P60,
+ {321, 1601, 795, 30, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X960P60,
+ {425, 1705, 999, 40, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X1024P60,
+ {361, 1641, 1065, 42, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1440X900P60,
+ {385, 1825, 931, 34, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1600X1200P60,
+ {497, 2097, 1249, 50, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1680X1050P60_RB,
+ {113, 1793, 1077, 30, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1920X1200P60_RB,
+ {113, 2033, 1232, 35, 0, 0, 0, 0, 0}
+ },
+
+ /* 75 HZ PC */
+ { V4L2_DV_BT_DMT_640X480P75,
+ {185, 825, 499, 20, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_800X600P75,
+ {241, 1041, 624, 25, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1024X768P75,
+ {273, 1297, 799, 32, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X768P75,
+ {337, 1617, 802, 37, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X1024P75,
+ {393, 1673, 1065, 42, 0, 0, 0, 0, 0}
+ },
+
+ /* 85 HZ PC */
+ { V4L2_DV_BT_DMT_640X480P85,
+ {137, 777, 508, 29, 0, 0, 1, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_800X600P85,
+ {217, 1017, 630, 31, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1024X768P85,
+ {305, 1329, 807, 40, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X768P85,
+ {353, 1633, 905, 140, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1280X1024P85,
+ {385, 1665, 1071, 48, 0, 0, 0, 0, 0}
+ },
+
+ { V4L2_DV_BT_DMT_1360X768P60,
+ {369, 1729, 792, 27, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1400X1050P60,
+ {377, 1777, 1086, 39, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1400X1050P60_RB,
+ {113, 1513, 1077, 30, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_1024X768P70,
+ {281, 1305, 803, 38, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_640X480P72,
+ {169, 809, 511, 40, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_800X600P72,
+ {185, 985, 629, 66, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_640X350P85,
+ {161, 801, 413, 95, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_640X400P85,
+ {161, 801, 444, 45, 0, 0, 0, 0, 0}
+ },
+ { V4L2_DV_BT_DMT_720X400P85,
+ {181, 901, 445, 46, 0, 0, 0, 0, 0}
+ },
+};
+
+/* regulator supplies */
+static const char * const tda1997x_supply_name[] = {
+ "DOVDD", /* Digital I/O supply */
+ "DVDD", /* Digital Core supply */
+ "AVDD", /* Analog supply */
+};
+
+#define TDA1997X_NUM_SUPPLIES ARRAY_SIZE(tda1997x_supply_name)
+
+enum tda1997x_type {
+ TDA19971,
+ TDA19973,
+};
+
+enum tda1997x_hdmi_pads {
+ TDA1997X_PAD_SOURCE,
+ TDA1997X_NUM_PADS,
+};
+
+struct tda1997x_chip_info {
+ enum tda1997x_type type;
+ const char *name;
+ const u32 *formats;
+ unsigned int nformats;
+};
+
+struct tda1997x_state {
+ const struct tda1997x_chip_info *info;
+ struct tda1997x_platform_data pdata;
+ struct i2c_client *client;
+ struct i2c_client *client_cec;
+ struct v4l2_subdev sd;
+ struct regulator_bulk_data supplies[TDA1997X_NUM_SUPPLIES];
+ struct media_pad pads[TDA1997X_NUM_PADS];
+ struct mutex lock;
+ struct mutex page_lock;
+ char page;
+
+ /* detected info from chip */
+ int chip_revision;
+ char port_30bit;
+ char output_2p5;
+ char tmdsb_clk;
+ char tmdsb_soc;
+
+ /* status info */
+ char hdmi_status;
+ char mptrw_in_progress;
+ char state_c5_reached;
+ char activity_status;
+ char input_detect[2];
+ char vendor[12];
+ char product[18];
+
+ /* video */
+ enum hdmi_colorspace colorspace;
+ enum hdmi_colorimetry colorimetry;
+ const struct v4l2_dv_timings *timings;
+ int fps;
+ u32 code;
+ enum v4l2_mbus_type bus_type;
+ char vid_fmt;
+
+ /* audio source */
+ u8 audio_ch_alloc;
+ int audio_samplerate;
+ int audio_channels;
+};
+
+static const struct v4l2_event tda1997x_ev_fmt = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
+static const struct tda1997x_chip_info tda1997x_chip_info[] = {
+ [TDA19971] = {
+ .type = TDA19971,
+ .name = "tda19971",
+ .formats = tda19971_video_formats,
+ .nformats = ARRAY_SIZE(tda19971_video_formats),
+ },
+ [TDA19973] = {
+ .type = TDA19973,
+ .name = "tda19973",
+ .formats = tda19973_video_formats,
+ .nformats = ARRAY_SIZE(tda19973_video_formats),
+ },
+};
+
+static inline struct tda1997x_state *to_state(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct tda1997x_state, sd);
+}
+
+static int tda1997x_cec_read(struct v4l2_subdev *sd, u8 reg)
+{
+ struct tda1997x_state *state = to_state(sd);
+ int val;
+
+ val = i2c_smbus_read_byte_data(state->client_cec, reg);
+ if (val < 0) {
+ v4l_err(state->client, "read reg error: reg=%2x\n", reg);
+ val = -1;
+ }
+
+ return val;
+}
+
+static int tda1997x_cec_write(struct v4l2_subdev *sd, u8 reg, u8 val)
+{
+ struct tda1997x_state *state = to_state(sd);
+ int ret = 0;
+
+ ret = i2c_smbus_write_byte_data(state->client_cec, reg, val);
+ if (ret < 0) {
+ v4l_err(state->client, "write reg error:reg=%2x,val=%2x\n",
+ reg, val);
+ ret = -1;
+ }
+
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * I2C transfer
+ */
+
+static int tda1997x_setpage(struct v4l2_subdev *sd, u8 page)
+{
+ struct tda1997x_state *state = to_state(sd);
+ int ret;
+
+ if (state->page != page) {
+ ret = i2c_smbus_write_byte_data(state->client,
+ REG_CURPAGE_00H, page);
+ if (ret < 0) {
+ v4l_err(state->client,
+ "write reg error:reg=%2x,val=%2x\n",
+ REG_CURPAGE_00H, page);
+ return ret;
+ }
+ state->page = page;
+ }
+ return 0;
+}
+
+static inline int io_read(struct v4l2_subdev *sd, u16 reg)
+{
+ struct tda1997x_state *state = to_state(sd);
+ int val;
+
+ mutex_lock(&state->page_lock);
+ if (tda1997x_setpage(sd, reg >> 8)) {
+ val = -1;
+ goto out;
+ }
+
+ val = i2c_smbus_read_byte_data(state->client, reg&0xff);
+ if (val < 0) {
+ v4l_err(state->client, "read reg error: reg=%2x\n", reg & 0xff);
+ val = -1;
+ goto out;
+ }
+
+out:
+ mutex_unlock(&state->page_lock);
+ return val;
+}
+
+static inline long io_read16(struct v4l2_subdev *sd, u16 reg)
+{
+ u8 val;
+ long lval = 0;
+
+ val = io_read(sd, reg);
+ if (val < 0)
+ return val;
+ lval |= (val << 8);
+ val = io_read(sd, reg + 1);
+ if (val < 0)
+ return val;
+ lval |= val;
+
+ return lval;
+}
+
+static inline long io_read24(struct v4l2_subdev *sd, u16 reg)
+{
+ u8 val;
+ long lval = 0;
+
+ val = io_read(sd, reg);
+ if (val < 0)
+ return val;
+ lval |= (val << 16);
+ val = io_read(sd, reg + 1);
+ if (val < 0)
+ return val;
+ lval |= (val << 8);
+ val = io_read(sd, reg + 2);
+ if (val < 0)
+ return val;
+ lval |= val;
+
+ return lval;
+}
+
+static unsigned int io_readn(struct v4l2_subdev *sd, u16 reg, u8 len, u8 *data)
+{
+ int i;
+ int sz = 0;
+ u8 val;
+
+ for (i = 0; i < len; i++) {
+ val = io_read(sd, reg + i);
+ if (val < 0)
+ break;
+ data[i] = val;
+ sz++;
+ }
+
+ return sz;
+}
+
+static int io_write(struct v4l2_subdev *sd, u16 reg, u8 val)
+{
+ struct tda1997x_state *state = to_state(sd);
+ s32 ret = 0;
+
+ mutex_lock(&state->page_lock);
+ if (tda1997x_setpage(sd, reg >> 8)) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = i2c_smbus_write_byte_data(state->client, reg & 0xff, val);
+ if (ret < 0) {
+ v4l_err(state->client, "write reg error:reg=%2x,val=%2x\n",
+ reg&0xff, val);
+ ret = -1;
+ goto out;
+ }
+
+out:
+ mutex_unlock(&state->page_lock);
+ return ret;
+}
+
+static int io_write16(struct v4l2_subdev *sd, u16 reg, u16 val)
+{
+ int ret;
+
+ ret = io_write(sd, reg, (val >> 8) & 0xff);
+ if (ret < 0)
+ return ret;
+ ret = io_write(sd, reg + 1, val & 0xff);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int io_write24(struct v4l2_subdev *sd, u16 reg, u32 val)
+{
+ int ret;
+
+ ret = io_write(sd, reg, (val >> 16) & 0xff);
+ if (ret < 0)
+ return ret;
+ ret = io_write(sd, reg + 1, (val >> 8) & 0xff);
+ if (ret < 0)
+ return ret;
+ ret = io_write(sd, reg + 2, val & 0xff);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Hotplug
+ */
+
+enum hpd_mode {
+ HPD_LOW_BP, /* HPD low and pulse of at least 100ms */
+ HPD_LOW_OTHER, /* HPD low and pulse of at least 100ms */
+ HPD_HIGH_BP, /* HIGH */
+ HPD_HIGH_OTHER,
+ HPD_PULSE, /* HPD low pulse */
+};
+
+/* manual HPD (Hot Plug Detect) control */
+static int tda1997x_manual_hpd(struct v4l2_subdev *sd, enum hpd_mode mode)
+{
+ u8 hpd_auto, hpd_pwr, hpd_man;
+
+ hpd_auto = io_read(sd, REG_HPD_AUTO_CTRL);
+ hpd_pwr = io_read(sd, REG_HPD_POWER);
+ hpd_man = io_read(sd, REG_HPD_MAN_CTRL);
+
+ /* mask out unused bits */
+ hpd_man &= (HPD_MAN_CTRL_HPD_PULSE |
+ HPD_MAN_CTRL_5VEN |
+ HPD_MAN_CTRL_HPD_B |
+ HPD_MAN_CTRL_HPD_A);
+
+ switch (mode) {
+ /* HPD low and pulse of at least 100ms */
+ case HPD_LOW_BP:
+ /* hpd_bp=0 */
+ hpd_pwr &= ~HPD_POWER_BP_MASK;
+ /* disable HPD_A and HPD_B */
+ hpd_man &= ~(HPD_MAN_CTRL_HPD_A | HPD_MAN_CTRL_HPD_B);
+ io_write(sd, REG_HPD_POWER, hpd_pwr);
+ io_write(sd, REG_HPD_MAN_CTRL, hpd_man);
+ break;
+ /* HPD high */
+ case HPD_HIGH_BP:
+ /* hpd_bp=1 */
+ hpd_pwr &= ~HPD_POWER_BP_MASK;
+ hpd_pwr |= 1 << HPD_POWER_BP_SHIFT;
+ io_write(sd, REG_HPD_POWER, hpd_pwr);
+ break;
+ /* HPD low and pulse of at least 100ms */
+ case HPD_LOW_OTHER:
+ /* disable HPD_A and HPD_B */
+ hpd_man &= ~(HPD_MAN_CTRL_HPD_A | HPD_MAN_CTRL_HPD_B);
+ /* hp_other=0 */
+ hpd_auto &= ~HPD_AUTO_HP_OTHER;
+ io_write(sd, REG_HPD_AUTO_CTRL, hpd_auto);
+ io_write(sd, REG_HPD_MAN_CTRL, hpd_man);
+ break;
+ /* HPD high */
+ case HPD_HIGH_OTHER:
+ hpd_auto |= HPD_AUTO_HP_OTHER;
+ io_write(sd, REG_HPD_AUTO_CTRL, hpd_auto);
+ break;
+ /* HPD low pulse */
+ case HPD_PULSE:
+ /* disable HPD_A and HPD_B */
+ hpd_man &= ~(HPD_MAN_CTRL_HPD_A | HPD_MAN_CTRL_HPD_B);
+ io_write(sd, REG_HPD_MAN_CTRL, hpd_man);
+ break;
+ }
+
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Signal Control
+ */
+
+/*
+ * The color conversion matrix will convert between the colorimetry of the
+ * HDMI input to the desired output format RGB|YUV
+ */
+static int
+tda1997x_configure_conv(struct v4l2_subdev *sd,
+ enum hdmi_colorspace colorspace,
+ enum hdmi_colorimetry colorimetry)
+{
+ struct tda1997x_state *state = to_state(sd);
+ /* Colorspace conversion matrix coefficients and offsets */
+ struct color_matrix_coefs {
+ /* Input offsets */
+ s16 offint1;
+ s16 offint2;
+ s16 offint3;
+ /* Coeficients */
+ s16 p11coef;
+ s16 p12coef;
+ s16 p13coef;
+ s16 p21coef;
+ s16 p22coef;
+ s16 p23coef;
+ s16 p31coef;
+ s16 p32coef;
+ s16 p33coef;
+ /* Output offsets */
+ s16 offout1;
+ s16 offout2;
+ s16 offout3;
+ };
+ /* Conversion matrixes */
+ enum {
+ ITU709_RGBLIMITED,
+ RGBLIMITED_ITU601,
+ ITU601_RGBLIMITED,
+ };
+ static const struct color_matrix_coefs conv_matrix[] = {
+ /* ITU709 -> RGBLimited */
+ {
+ -256, -2048, -2048,
+ 4096, -1875, -750,
+ 4096, 6307, 0,
+ 4096, 0, 7431,
+ 256, 256, 256,
+ },
+ /* RGBLimited -> ITU601 */
+ {
+ -256, -256, -256,
+ 2404, 1225, 467,
+ -1754, 2095, -341,
+ -1388, -707, 2095,
+ 256, 2048, 2048,
+ },
+ /* YUV601 -> RGBLimited */
+ {
+ -256, -2048, -2048,
+ 4096, -2860, -1378,
+ 4096, 5615, 0,
+ 4096, 0, 7097,
+ 256, 256, 256,
+ },
+ };
+ /* Blanking code values depend on output colorspace (RGB or YUV) */
+ struct blanking_codes {
+ s16 code_gy;
+ s16 code_bu;
+ s16 code_rv;
+ };
+ static const struct blanking_codes rgb_blanking = {64, 64, 64};
+ static const struct blanking_codes yuv_blanking = {64, 512, 512};
+ const struct color_matrix_coefs *coefficients = NULL;
+ const struct blanking_codes *blanking_codes = NULL;
+ u8 reg;
+
+ switch (state->vid_fmt) {
+ /* RGB444 */
+ case OF_FMT_444:
+ blanking_codes = &rgb_blanking;
+ if (colorspace != HDMI_COLORSPACE_RGB) {
+ if (colorimetry == HDMI_COLORIMETRY_ITU_709)
+ coefficients = &conv_matrix[ITU709_RGBLIMITED];
+ else
+ coefficients = &conv_matrix[ITU601_RGBLIMITED];
+ }
+ break;
+
+ /* YUV422 */
+ case OF_FMT_422_SMPT: /* semi-planar */
+ case OF_FMT_422_CCIR: /* CCIR656 */
+ blanking_codes = &yuv_blanking;
+ if (colorspace == HDMI_COLORSPACE_RGB)
+ coefficients = &conv_matrix[RGBLIMITED_ITU601];
+ break;
+ }
+
+ if (coefficients) {
+ /* enable matrix conversion */
+ reg = io_read(sd, REG_VDP_CTRL);
+ reg &= ~VDP_CTRL_MATRIX_BP;
+ io_write(sd, REG_VDP_CTRL, reg);
+ /* offset inputs */
+ io_write16(sd, REG_VDP_MATRIX + 0, coefficients->offint1);
+ io_write16(sd, REG_VDP_MATRIX + 2, coefficients->offint2);
+ io_write16(sd, REG_VDP_MATRIX + 4, coefficients->offint3);
+ /* coefficients */
+ io_write16(sd, REG_VDP_MATRIX + 6, coefficients->p11coef);
+ io_write16(sd, REG_VDP_MATRIX + 8, coefficients->p12coef);
+ io_write16(sd, REG_VDP_MATRIX + 10, coefficients->p13coef);
+ io_write16(sd, REG_VDP_MATRIX + 12, coefficients->p21coef);
+ io_write16(sd, REG_VDP_MATRIX + 14, coefficients->p22coef);
+ io_write16(sd, REG_VDP_MATRIX + 16, coefficients->p23coef);
+ io_write16(sd, REG_VDP_MATRIX + 18, coefficients->p31coef);
+ io_write16(sd, REG_VDP_MATRIX + 20, coefficients->p32coef);
+ io_write16(sd, REG_VDP_MATRIX + 22, coefficients->p33coef);
+ /* offset outputs */
+ io_write16(sd, REG_VDP_MATRIX + 24, coefficients->offout1);
+ io_write16(sd, REG_VDP_MATRIX + 26, coefficients->offout2);
+ io_write16(sd, REG_VDP_MATRIX + 28, coefficients->offout3);
+ } else {
+ /* disable matrix conversion */
+ reg = io_read(sd, REG_VDP_CTRL);
+ reg |= VDP_CTRL_MATRIX_BP;
+ io_write(sd, REG_VDP_CTRL, reg);
+ }
+
+ /* SetBlankingCodes */
+ if (blanking_codes) {
+ io_write16(sd, REG_BLK_GY, blanking_codes->code_gy);
+ io_write16(sd, REG_BLK_BU, blanking_codes->code_bu);
+ io_write16(sd, REG_BLK_RV, blanking_codes->code_rv);
+ }
+
+ return 0;
+}
+
+/* Configure frame detection window and VHREF timing generator */
+static int
+tda1997x_configure_input_resolution(struct v4l2_subdev *sd,
+ const struct tda1997x_video_std *std)
+{
+ struct tda1997x_state *state = to_state(sd);
+ const struct v4l2_bt_timings *bt = &std->timings.bt;
+ const struct vhref_values *vh = &std->vhref_values;
+ int width, lines;
+ u8 reg;
+
+ width = bt->width + bt->hfrontporch + bt->hsync +
+ bt->hbackporch;
+ lines = bt->height + bt->vfrontporch + bt->vsync +
+ bt->vbackporch;
+
+ /*
+ * Configure Frame Detection Window:
+ * horiz area where the VHREF module consider a VSYNC a new frame
+ */
+ io_write16(sd, REG_FDW_S, 0x2ef); /* start position */
+ io_write16(sd, REG_FDW_E, 0x141); /* end position */
+
+ /* Set Pixel And Line Counters */
+ if (state->chip_revision == 0)
+ io_write16(sd, REG_PXCNT_PR, 4);
+ else
+ io_write16(sd, REG_PXCNT_PR, 1);
+ io_write16(sd, REG_PXCNT_NPIX, width & MASK_VHREF);
+ io_write16(sd, REG_LCNT_PR, 1);
+ io_write16(sd, REG_LCNT_NLIN, lines & MASK_VHREF);
+
+ /*
+ * Configure the VHRef timing generator responsible for rebuilding all
+ * horiz and vert synch and ref signals from its input allowing auto
+ * detection algorithms and forcing predefined modes (480i & 576i)
+ */
+ reg = VHREF_STD_DET_OFF << VHREF_STD_DET_SHIFT;
+ io_write(sd, REG_VHREF_CTRL, reg);
+
+ /*
+ * Configure the VHRef timing values. In case the VHREF generator has
+ * been configured in manual mode, this will allow to manually set all
+ * horiz and vert ref values (non-active pixel areas) of the generator
+ * and allows setting the frame reference params.
+ */
+ /* horizontal reference start/end */
+ io_write16(sd, REG_HREF_S, vh->href_start & MASK_VHREF);
+ io_write16(sd, REG_HREF_E, vh->href_end & MASK_VHREF);
+ /* vertical reference f1 start/end */
+ io_write16(sd, REG_VREF_F1_S, vh->vref_f1_start & MASK_VHREF);
+ io_write(sd, REG_VREF_F1_WIDTH, vh->vref_f1_width);
+ /* vertical reference f2 start/end */
+ io_write16(sd, REG_VREF_F2_S, vh->vref_f2_start & MASK_VHREF);
+ io_write(sd, REG_VREF_F2_WIDTH, vh->vref_f2_width);
+ /* F1/F2 FREF, field polarity */
+ io_write16(sd, REG_FREF_F1_S, (vh->fieldref_f1_start & MASK_VHREF)
+ || (vh->fieldPolarity << 8));
+ io_write16(sd, REG_FREF_F2_S, vh->fieldref_f2_start & MASK_VHREF);
+
+ return 0;
+}
+
+/* Configure Video Output port signals */
+static int
+tda1997x_configure_vidout(struct tda1997x_state *state)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ u8 prefilter;
+ u8 reg;
+
+ /* Configure pixel clock generator: delay, polarity, rate */
+ reg = (state->vid_fmt == OF_FMT_422_CCIR) ?
+ PCLK_SEL_X2 : PCLK_SEL_X1;
+ reg |= pdata->vidout_delay_pclk << PCLK_DELAY_SHIFT;
+ reg |= pdata->vidout_inv_pclk << PCLK_INV_SHIFT;
+ io_write(sd, REG_PCLK, reg);
+
+ /* Configure pre-filter */
+ prefilter = 0; /* filters off */
+ /* YUV422 mode requires conversion */
+ if ((state->vid_fmt == OF_FMT_422_SMPT)
+ || (state->vid_fmt == OF_FMT_422_CCIR)) {
+ /* 2/7taps for Rv and Bu */
+ prefilter = FILTERS_CTRL_2_7TAP << FILTERS_CTRL_BU_SHIFT |
+ FILTERS_CTRL_2_7TAP << FILTERS_CTRL_RV_SHIFT;
+ }
+ io_write(sd, REG_FILTERS_CTRL, prefilter);
+
+ /* Configure video port */
+ reg = state->vid_fmt & OF_FMT_MASK;
+ if (state->vid_fmt == OF_FMT_422_CCIR)
+ reg |= (OF_BLK | OF_TRC);
+ reg |= OF_VP_ENABLE;
+ io_write(sd, REG_OF, reg);
+
+ /* Configure formatter and conversions */
+ reg = io_read(sd, REG_VDP_CTRL);
+ /* pre-filter is needed unless (REG_FILTERS_CTRL == 0) */
+ if (!prefilter)
+ reg |= VDP_CTRL_PREFILTER_BP;
+ else
+ reg &= ~VDP_CTRL_PREFILTER_BP;
+ /* formatter is needed for YUV422 and for trc/blc codes */
+ if (state->vid_fmt == OF_FMT_444)
+ reg |= VDP_CTRL_FORMATTER_BP;
+ /* formatter and compdel needed for timing/blanking codes */
+ else
+ reg &= ~(VDP_CTRL_FORMATTER_BP | VDP_CTRL_COMPDEL_BP);
+ /* activate compdel for small sync delays */
+ if ((pdata->vidout_delay_vs < 4) || (pdata->vidout_delay_hs < 4))
+ reg &= ~VDP_CTRL_COMPDEL_BP;
+ io_write(sd, REG_VDP_CTRL, reg);
+
+ /* Configure DE output signal: delay, polarity, and source */
+ reg = pdata->vidout_delay_de << DE_FREF_DELAY_SHIFT |
+ pdata->vidout_inv_de << DE_FREF_INV_SHIFT |
+ pdata->vidout_sel_de << DE_FREF_SEL_SHIFT;
+ io_write(sd, REG_DE_FREF, reg);
+
+ /* Configure HS/HREF output signal: delay, polarity, and source */
+ if (state->vid_fmt != OF_FMT_422_CCIR) {
+ reg = pdata->vidout_delay_hs << HS_HREF_DELAY_SHIFT |
+ pdata->vidout_inv_hs << HS_HREF_INV_SHIFT |
+ pdata->vidout_sel_hs << HS_HREF_SEL_SHIFT;
+ } else
+ reg = HS_HREF_SEL_NONE << HS_HREF_SEL_SHIFT;
+ io_write(sd, REG_HS_HREF, reg);
+
+ /* Configure VS/VREF output signal: delay, polarity, and source */
+ if (state->vid_fmt != OF_FMT_422_CCIR) {
+ reg = pdata->vidout_delay_vs << VS_VREF_DELAY_SHIFT |
+ pdata->vidout_inv_vs << VS_VREF_INV_SHIFT |
+ pdata->vidout_sel_vs << VS_VREF_SEL_SHIFT;
+ } else
+ reg = VS_VREF_SEL_NONE << VS_VREF_SEL_SHIFT;
+ io_write(sd, REG_VS_VREF, reg);
+
+ return 0;
+}
+
+/* Configure Audio output port signals */
+static int
+tda1997x_configure_audout(struct v4l2_subdev *sd, u8 channel_assignment)
+{
+ struct tda1997x_state *state = to_state(sd);
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ bool sp_used_by_fifo = 0;
+ bool ws_active = 0;
+ u8 reg;
+
+ if (!pdata->audout_fmt)
+ return 0;
+
+ /* channel assignment (CEA-861-D Table 20) */
+ io_write(sd, REG_AUDIO_PATH, channel_assignment);
+
+ /* Audio output configuration */
+ reg = 0;
+ switch (pdata->audout_fmt) {
+ case TDA1997X_I2S16:
+ /* 16bit I2S mode, SP flag used by FIFO */
+ reg = AUDCFG_BUS_I2S << AUDCFG_BUS_SHIFT |
+ AUDCFG_I2SW_16 << AUDCFG_I2SW_SHIFT |
+ AUDCFG_TYPE_SAMPLES << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ ws_active = 1;
+ break;
+ case TDA1997X_I2S32:
+ /* 32bit I2S mode, SP flag used by FIFO */
+ reg = AUDCFG_BUS_I2S << AUDCFG_BUS_SHIFT |
+ AUDCFG_I2SW_32 << AUDCFG_I2SW_SHIFT |
+ AUDCFG_TYPE_SAMPLES << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ ws_active = 1;
+ break;
+ case TDA1997X_OBA:
+ /* One Bit Audio */
+ reg = AUDCFG_TYPE_OBA << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ ws_active = 1;
+ break;
+ case TDA1997X_SPDIF:
+ /* SPDIF mode, SP flag used by FIFO */
+ reg = AUDCFG_BUS_SPDIF << AUDCFG_BUS_SHIFT |
+ AUDCFG_TYPE_SAMPLES << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ break;
+ case TDA1997X_I2S16_HBR_DEMUX:
+ /* 16bit I2S High Bit Rate demux */
+ reg = AUDCFG_BUS_I2S << AUDCFG_BUS_SHIFT |
+ AUDCFG_I2SW_16 << AUDCFG_I2SW_SHIFT |
+ AUDCFG_HBR_DEMUX << AUDCFG_HBR_SHIFT |
+ AUDCFG_TYPE_HBR << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ ws_active = 1;
+ break;
+ case TDA1997X_I2S32_HBR_DEMUX:
+ /* 32bit I2S High Bit Rate demux */
+ reg = AUDCFG_BUS_I2S << AUDCFG_BUS_SHIFT |
+ AUDCFG_I2SW_32 << AUDCFG_I2SW_SHIFT |
+ AUDCFG_HBR_DEMUX << AUDCFG_HBR_SHIFT |
+ AUDCFG_TYPE_HBR << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 1;
+ ws_active = 1;
+ break;
+ case TDA1997X_DST:
+ /* Direct Stream Transfer */
+ reg = AUDCFG_TYPE_DST << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 0;
+ break;
+ case TDA1997X_SPDIF_HBR_DEMUX:
+ /* SPDIF High Bit Rate demux */
+ reg = AUDCFG_BUS_SPDIF << AUDCFG_BUS_SHIFT |
+ AUDCFG_HBR_DEMUX << AUDCFG_HBR_SHIFT |
+ AUDCFG_TYPE_HBR << AUDCFG_TYPE_SHIFT;
+ sp_used_by_fifo = 0;
+ break;
+ }
+ /* automatic hardware mute */
+ if (pdata->audio_auto_mute)
+ reg |= AUDCFG_AUTO_MUTE_EN;
+ /* clock polarity */
+ if (pdata->audout_invert_clk)
+ reg |= AUDCFG_CLK_INVERT;
+ io_write(sd, REG_AUDCFG, reg);
+
+ /* audio layout */
+ reg = pdata->audout_layout;
+ if (!pdata->audout_layoutauto)
+ reg |= AUDIO_LAYOUT_MANUAL;
+ if (sp_used_by_fifo)
+ reg |= AUDIO_LAYOUT_SP_FLAG;
+ io_write(sd, REG_AUDIO_LAYOUT, reg);
+
+ /* FIFO Latency value */
+ io_write(sd, REG_FIFO_LATENCY_VAL, 0x80);
+
+ /* Audio output port config */
+ if (sp_used_by_fifo) {
+ reg = AUDIO_OUT_ENABLE_AP0;
+ if (channel_assignment >= 0x01)
+ reg |= AUDIO_OUT_ENABLE_AP1;
+ if (channel_assignment >= 0x04)
+ reg |= AUDIO_OUT_ENABLE_AP2;
+ if (channel_assignment >= 0x0c)
+ reg |= AUDIO_OUT_ENABLE_AP3;
+ /* specific cases where AP1 is not used */
+ if ((channel_assignment == 0x04)
+ || (channel_assignment == 0x08)
+ || (channel_assignment == 0x0c)
+ || (channel_assignment == 0x10)
+ || (channel_assignment == 0x14)
+ || (channel_assignment == 0x18)
+ || (channel_assignment == 0x1c))
+ reg &= ~AUDIO_OUT_ENABLE_AP1;
+ /* specific cases where AP2 is not used */
+ if ((channel_assignment >= 0x14)
+ && (channel_assignment <= 0x17))
+ reg &= ~AUDIO_OUT_ENABLE_AP2;
+ } else {
+ reg = AUDIO_OUT_ENABLE_AP3 |
+ AUDIO_OUT_ENABLE_AP2 |
+ AUDIO_OUT_ENABLE_AP1 |
+ AUDIO_OUT_ENABLE_AP0;
+ }
+ if (ws_active)
+ reg |= (AUDIO_OUT_ENABLE_ACLK | AUDIO_OUT_ENABLE_WS);
+ io_write(sd, REG_AUDIO_OUT_ENABLE, reg);
+
+ /* reset test mode to normal audio freq auto selection */
+ io_write(sd, REG_TEST_MODE, 0x00);
+
+ return 0;
+}
+
+/* Soft Reset of specific hdmi info */
+static int
+tda1997x_hdmi_info_reset(struct v4l2_subdev *sd, u8 info_rst, bool reset_sus)
+{
+ u8 reg;
+
+ /* reset infoframe engine packets */
+ reg = io_read(sd, REG_HDMI_INFO_RST);
+ io_write(sd, REG_HDMI_INFO_RST, info_rst);
+
+ /* if infoframe engine has been reset clear INT_FLG_MODE */
+ if (reg & RESET_IF) {
+ reg = io_read(sd, REG_INT_FLG_CLR_MODE);
+ io_write(sd, REG_INT_FLG_CLR_MODE, reg);
+ }
+
+ /* Disable REFTIM to restart start-up-sequencer (SUS) */
+ reg = io_read(sd, REG_RATE_CTRL);
+ reg &= ~RATE_REFTIM_ENABLE;
+ if (!reset_sus)
+ reg |= RATE_REFTIM_ENABLE;
+ reg = io_write(sd, REG_RATE_CTRL, reg);
+
+ return 0;
+}
+
+static void
+tda1997x_power_mode(struct tda1997x_state *state, bool enable)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg;
+
+ if (enable) {
+ /* Automatic control of TMDS */
+ io_write(sd, REG_PON_OVR_EN, PON_DIS);
+ /* Enable current bias unit */
+ io_write(sd, REG_CFG1, PON_EN);
+ /* Enable deep color PLL */
+ io_write(sd, REG_DEEP_PLL7_BYP, PON_DIS);
+ /* Output buffers active */
+ reg = io_read(sd, REG_OF);
+ reg &= ~OF_VP_ENABLE;
+ io_write(sd, REG_OF, reg);
+ } else {
+ /* Power down EDID mode sequence */
+ /* Output buffers in HiZ */
+ reg = io_read(sd, REG_OF);
+ reg |= OF_VP_ENABLE;
+ io_write(sd, REG_OF, reg);
+ /* Disable deep color PLL */
+ io_write(sd, REG_DEEP_PLL7_BYP, PON_EN);
+ /* Disable current bias unit */
+ io_write(sd, REG_CFG1, PON_DIS);
+ /* Manual control of TMDS */
+ io_write(sd, REG_PON_OVR_EN, PON_EN);
+ }
+}
+
+const struct tda1997x_video_std *
+tda1997x_detect_resolution(struct tda1997x_state *state)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ u32 vper;
+ u16 hper;
+ u16 hsper;
+ int i;
+
+ /*
+ * Read the FMT registers
+ * REG_V_PER: Period of a frame (or two fields) in MCLK(27MHz) cycles
+ * REG_H_PER: Period of a line in MCLK(27MHz) cycles
+ * REG_HS_WIDTH: Period of horiz sync pulse in MCLK(27MHz) cycles
+ */
+ vper = io_read24(sd, REG_V_PER) & MASK_VPER;
+ hper = io_read16(sd, REG_H_PER) & MASK_HPER;
+ hsper = io_read16(sd, REG_HS_WIDTH) & MASK_HSWIDTH;
+ if (!vper || !hper || !hsper)
+ return NULL;
+
+ /* look for matching timings */
+ for (i = 0; i < ARRAY_SIZE(tda1997x_hdmi_modes); i++) {
+ const struct tda1997x_video_std *std = &tda1997x_hdmi_modes[i];
+ const struct v4l2_bt_timings *bt = &std->timings.bt;
+ int lines, width, _hper, _vper, _hsper;
+ int vmin, vmax, hmin, hmax, hsmin, hsmax;
+ int hmatch, vmatch, hsmatch;
+
+ width = bt->width + bt->hfrontporch + bt->hsync +
+ bt->hbackporch;
+ lines = bt->height + bt->vfrontporch + bt->vsync +
+ bt->vbackporch;
+
+ _hper = (int)bt->pixelclock / (int)width;
+ _vper = _hper / lines;
+ _hsper = (int)bt->pixelclock / (int)bt->hsync;
+ if (bt->interlaced)
+ _vper *= 2;
+ /* vper +/- 0.7% */
+ vmin = 993 * (27000000 / _vper) / 1000;
+ vmax = 1007 * (27000000 / _vper) / 1000;
+ /* hper +/- 0.7% */
+ hmin = 993 * (27000000 / _hper) / 1000;
+ hmax = 1007 * (27000000 / _hper) / 1000;
+ /* hsper +/- 0.7% */
+ hsmin = 993 * (27000000 / _hsper) / 1000;
+ hsmax = 1007 * (27000000 / _hsper) / 1000;
+
+ vmatch = ((vper <= vmax) && (vper >= vmin)) ? 1 : 0;
+ hmatch = ((hper <= hmax) && (hper >= hmin)) ? 1 : 0;
+ hsmatch = ((hsper <= hsmax) && (hsper >= hsmin)) ? 1 : 0;
+ if (hmatch && vmatch && hsmatch) {
+ int pixrate;
+
+ v4l_info(state->client,
+ "resolution: %dx%d%c@%d (%d/%d/%d)\n",
+ bt->width, bt->height, bt->interlaced?'i':'p',
+ _vper, vper, hper, hsper);
+
+ /* validate input mode */
+ pixrate = (bt->width * bt->height * _vper) / 1000000;
+ if (bt->interlaced)
+ pixrate /= 2;
+
+ /* CCIR requires 2-clocks per pixel */
+ if (state->vid_fmt == OF_FMT_422_CCIR)
+ pixrate *= 2;
+ if (pdata->max_pixel_rate &&
+ (pixrate > pdata->max_pixel_rate)) {
+ v4l_err(state->client,
+ "Error: %dMP/s exceeds max of %dMP/s\n",
+ pixrate, pdata->max_pixel_rate);
+ return NULL;
+ }
+
+ state->timings = &std->timings;
+ state->fps = (int)bt->pixelclock / (width * lines);
+
+ return std;
+ }
+ }
+
+ v4l_err(state->client, "no resolution match for timings: %d/%d/%d\n",
+ vper, hper, hsper);
+ return NULL;
+}
+
+/* some sort of errata workaround for chip revision 0 (N1) */
+static void tda1997x_reset_n1(struct tda1997x_state *state)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg;
+
+ /* clear HDMI mode flag in BCAPS */
+ io_write(sd, REG_CLK_CFG, CLK_CFG_SEL_ACLK_EN | CLK_CFG_SEL_ACLK);
+ io_write(sd, REG_PON_OVR_EN, PON_EN);
+ io_write(sd, REG_PON_CBIAS, PON_EN);
+ io_write(sd, REG_PON_PLL, PON_EN);
+
+ reg = io_read(sd, REG_MODE_REC_CFG1);
+ reg &= ~0x06;
+ reg |= 0x02;
+ io_write(sd, REG_MODE_REC_CFG1, reg);
+ io_write(sd, REG_CLK_CFG, CLK_CFG_DIS);
+ io_write(sd, REG_PON_OVR_EN, PON_DIS);
+ reg = io_read(sd, REG_MODE_REC_CFG1);
+ reg &= ~0x06;
+ io_write(sd, REG_MODE_REC_CFG1, reg);
+}
+
+/*
+ * Activity detection must only be notified when stable_clk_x AND active_x
+ * bits are set to 1. If only stable_clk_x bit is set to 1 but not
+ * active_x, it means that the TMDS clock is not in the defined range
+ * and activity detection must not be notified.
+ */
+static u8
+tda1997x_read_activity_status_regs(struct v4l2_subdev *sd)
+{
+ u8 reg, status = 0;
+
+ /* Read CLK_A_STATUS register */
+ reg = io_read(sd, REG_CLK_A_STATUS);
+ /* when stable_clk_x is set to 1, check active_x bit */
+ if ((reg & MASK_CLK_STABLE) && !(reg & MASK_CLK_ACTIVE))
+ reg &= ~MASK_CLK_STABLE;
+ status |= ((reg & MASK_CLK_STABLE) >> 2);
+
+ /* Read CLK_B_STATUS register */
+ reg = io_read(sd, REG_CLK_B_STATUS);
+ /* when stable_clk_x is set to 1, check active_x bit */
+ if ((reg & MASK_CLK_STABLE) && !(reg & MASK_CLK_ACTIVE))
+ reg &= ~MASK_CLK_STABLE;
+ status |= ((reg & MASK_CLK_STABLE) >> 1);
+
+ /* Read the SUS_STATUS register */
+ reg = io_read(sd, REG_SUS_STATUS);
+
+ /* If state = 5 => TMDS is locked */
+ if ((reg & MASK_SUS_STATUS) == LAST_STATE_REACHED)
+ status |= MASK_SUS_STATE;
+ else
+ status &= ~MASK_SUS_STATE;
+
+ return status;
+}
+
+/* parse an infoframe and do some sanity checks on it */
+static unsigned int
+tda1997x_parse_infoframe(struct tda1997x_state *state, u16 addr)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ union hdmi_infoframe frame;
+ u8 buffer[40];
+ u8 reg;
+ int len, err;
+
+ /* read data */
+ len = io_readn(sd, addr, sizeof(buffer), buffer);
+ err = hdmi_infoframe_unpack(&frame, buffer);
+ if (err) {
+ v4l_err(state->client,
+ "failed parsing %d byte infoframe: 0x%04x\n",
+ len, addr);
+ return err;
+ }
+ if (debug > 1)
+ hdmi_infoframe_log(KERN_INFO, &state->client->dev, &frame);
+ switch (frame.any.type) {
+ /* Audio InfoFrame: see HDMI spec 8.2.2 */
+ case HDMI_INFOFRAME_TYPE_AUDIO:
+ /* Channel Count */
+ state->audio_channels = frame.audio.channels;
+ if (frame.audio.channel_allocation &&
+ frame.audio.channel_allocation != state->audio_ch_alloc) {
+ /* use the channel assignment from the infoframe */
+ state->audio_ch_alloc = frame.audio.channel_allocation;
+ tda1997x_configure_audout(sd, state->audio_ch_alloc);
+ /* reset the audio FIFO */
+ tda1997x_hdmi_info_reset(sd, RESET_AUDIO, false);
+ }
+ break;
+
+ /* Source Product Descriptor information (SPD) */
+ case HDMI_INFOFRAME_TYPE_SPD:
+ strncpy(frame.spd.vendor, state->vendor,
+ sizeof(frame.spd.vendor));
+ strncpy(frame.spd.product, state->product,
+ sizeof(frame.spd.product));
+ v4l_info(state->client, "Source Product Descriptor: %s %s\n",
+ state->vendor, state->product);
+ break;
+
+ /* Auxiliary Video information (AVI) InfoFrame: see HDMI spec 8.2.1 */
+ case HDMI_INFOFRAME_TYPE_AVI:
+ state->colorspace = frame.avi.colorspace;
+ state->colorimetry = frame.avi.colorimetry;
+ /*
+ * If colorimetry not specified, conversion depends on res type:
+ * - SDTV: ITU601 for SD (480/576/240/288 line resolution)
+ * - HDTV: ITU709 for HD (720/1080 line resolution)
+ * - PC: sRGB
+ * see HDMI specification section 6.7
+ */
+ if ((state->colorspace == HDMI_COLORSPACE_YUV422 ||
+ state->colorspace == HDMI_COLORSPACE_YUV444) &&
+ (state->colorimetry == HDMI_COLORIMETRY_EXTENDED ||
+ state->colorimetry == HDMI_COLORIMETRY_NONE)) {
+ switch (state->timings->bt.height) {
+ case 480:
+ case 576:
+ case 240:
+ case 288:
+ state->colorimetry = HDMI_COLORIMETRY_ITU_601;
+ break;
+ case 720:
+ case 1080:
+ state->colorimetry = HDMI_COLORIMETRY_ITU_709;
+ break;
+ default:
+ state->colorimetry = HDMI_COLORIMETRY_NONE;
+ }
+ }
+ v4l_dbg(1, debug, state->client,
+ "Colorspace=%d Colorimetry=%d\n",
+ state->colorspace, state->colorimetry);
+
+ /* configure upsampler: 0=bypass 1=repeatchroma 2=interpolate */
+ reg = io_read(sd, REG_PIX_REPEAT);
+ reg &= ~PIX_REPEAT_MASK_UP_SEL;
+ if (state->colorspace == HDMI_COLORSPACE_YUV422)
+ reg |= (PIX_REPEAT_CHROMA << PIX_REPEAT_SHIFT);
+ io_write(sd, REG_PIX_REPEAT, reg);
+
+ /* ConfigurePixelRepeater: repeat n-times each pixel */
+ reg = io_read(sd, REG_PIX_REPEAT);
+ reg &= ~PIX_REPEAT_MASK_REP;
+ reg |= frame.avi.pixel_repeat;
+ io_write(sd, REG_PIX_REPEAT, reg);
+
+ /* configure the receiver with the new colorspace */
+ tda1997x_configure_conv(sd, state->colorspace,
+ state->colorimetry);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void tda1997x_irq_sus(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg, source;
+
+ source = io_read(sd, REG_INT_FLG_CLR_SUS);
+ io_write(sd, REG_INT_FLG_CLR_SUS, source);
+
+ if (source & MASK_MPT) {
+ /* reset MTP in use flag if set */
+ if (state->mptrw_in_progress)
+ state->mptrw_in_progress = 0;
+ }
+
+ if (source & MASK_SUS_END) {
+ /* reset audio FIFO */
+ reg = io_read(sd, REG_HDMI_INFO_RST);
+ reg |= MASK_SR_FIFO_FIFO_CTRL;
+ io_write(sd, REG_HDMI_INFO_RST, reg);
+ reg &= ~MASK_SR_FIFO_FIFO_CTRL;
+ io_write(sd, REG_HDMI_INFO_RST, reg);
+
+ /* reset HDMI flags */
+ state->hdmi_status = 0;
+ }
+
+ /* filter FMT interrupt based on SUS state */
+ reg = io_read(sd, REG_SUS_STATUS);
+ if (((reg & MASK_SUS_STATUS) != LAST_STATE_REACHED)
+ || (source & MASK_MPT)) {
+ source &= ~MASK_FMT;
+ }
+
+ if (source & (MASK_FMT | MASK_SUS_END)) {
+ const struct tda1997x_video_std *std;
+
+ reg = io_read(sd, REG_SUS_STATUS);
+ if ((reg & MASK_SUS_STATUS) != LAST_STATE_REACHED) {
+ v4l_err(state->client, "BAD SUS STATUS\n");
+ return;
+ }
+
+ /* There is new activity, the status for HDCP repeater state */
+ state->state_c5_reached = 0;
+
+ /* Detect the new resolution */
+ std = tda1997x_detect_resolution(state);
+ if (std)
+ tda1997x_configure_input_resolution(sd, std);
+ state->colorspace = HDMI_COLORSPACE_RGB;
+ state->colorimetry = HDMI_COLORIMETRY_NONE;
+ tda1997x_configure_conv(sd, state->colorspace,
+ state->colorimetry);
+ v4l2_subdev_notify_event(&state->sd, &tda1997x_ev_fmt);
+ }
+}
+
+static void tda1997x_irq_ddc(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 source;
+
+ source = io_read(sd, REG_INT_FLG_CLR_DDC);
+ io_write(sd, REG_INT_FLG_CLR_DDC, source);
+ if (source & MASK_EDID_MTP) {
+ /* reset MTP in use flag if set */
+ if (state->mptrw_in_progress)
+ state->mptrw_in_progress = 0;
+ }
+}
+
+static void tda1997x_irq_rate(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg, source;
+
+ u8 irq_status, last_irq_status;
+
+ source = io_read(sd, REG_INT_FLG_CLR_RATE);
+ io_write(sd, REG_INT_FLG_CLR_RATE, source);
+
+ /* read status regs */
+ last_irq_status = irq_status = tda1997x_read_activity_status_regs(sd);
+
+ /*
+ * read clock status reg until INT_FLG_CLR_RATE is still 0
+ * after the read to make sure its the last one
+ */
+ reg = source;
+ while (reg != 0) {
+ irq_status = tda1997x_read_activity_status_regs(sd);
+ reg = io_read(sd, REG_INT_FLG_CLR_RATE);
+ io_write(sd, REG_INT_FLG_CLR_RATE, reg);
+ source |= reg;
+ }
+
+ /* we only pay attention to stability change events */
+ if (source & (MASK_RATE_A_ST | MASK_RATE_B_ST)) {
+ int input = (source & MASK_RATE_A_ST)?0:1;
+ u8 mask = 1<<input;
+
+ /* state change */
+ if ((irq_status & mask) != (state->activity_status & mask)) {
+ /* activity lost */
+ if ((irq_status & mask) == 0) {
+ v4l_info(state->client,
+ "HDMI-%c: Digital Activity Lost\n",
+ input+'A');
+ state->timings = NULL;
+ state->fps = 0;
+ state->input_detect[input] = 0;
+
+ /* bypass up/down sampler and pixel repeater */
+ reg = io_read(sd, REG_PIX_REPEAT);
+ reg &= ~PIX_REPEAT_MASK_UP_SEL;
+ reg &= ~PIX_REPEAT_MASK_REP;
+ io_write(sd, REG_PIX_REPEAT, reg);
+
+ if (state->chip_revision == 0)
+ tda1997x_reset_n1(state);
+ }
+
+ /* activity detected */
+ else {
+ v4l_info(state->client,
+ "HDMI-%c: Digital Activity Detected\n",
+ input+'A');
+ state->input_detect[input] = 1;
+ }
+
+ /* hold onto current state */
+ state->activity_status = (irq_status & mask);
+ }
+ }
+}
+
+static void tda1997x_irq_info(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 source;
+
+ source = io_read(sd, REG_INT_FLG_CLR_INFO);
+ io_write(sd, REG_INT_FLG_CLR_INFO, source);
+
+ /* Audio infoframe */
+ if (source & MASK_AUD_IF) {
+ tda1997x_parse_infoframe(state, AUD_IF);
+ source &= ~MASK_AUD_IF;
+ }
+
+ /* Source Product Descriptor infoframe change */
+ if (source & MASK_SPD_IF) {
+ tda1997x_parse_infoframe(state, SPD_IF);
+ source &= ~MASK_SPD_IF;
+ }
+
+ /* Auxiliary Video Information infoframe */
+ if (source & MASK_AVI_IF) {
+ tda1997x_parse_infoframe(state, AVI_IF);
+ source &= ~MASK_AVI_IF;
+ }
+}
+
+static void tda1997x_irq_audio(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg, source;
+
+ source = io_read(sd, REG_INT_FLG_CLR_AUDIO);
+ io_write(sd, REG_INT_FLG_CLR_AUDIO, source);
+
+ /* reset audio FIFO on FIFO pointer error or audio mute */
+ if (source & MASK_ERROR_FIFO_PT ||
+ source & MASK_MUTE_FLG) {
+ /* audio reset audio FIFO */
+ reg = io_read(sd, REG_SUS_STATUS);
+ if ((reg & MASK_SUS_STATUS) == LAST_STATE_REACHED) {
+ reg = io_read(sd, REG_HDMI_INFO_RST);
+ reg |= MASK_SR_FIFO_FIFO_CTRL;
+ io_write(sd, REG_HDMI_INFO_RST, reg);
+ reg &= ~MASK_SR_FIFO_FIFO_CTRL;
+ io_write(sd, REG_HDMI_INFO_RST, reg);
+ /* reset channel status IT if present */
+ source &= ~(MASK_CH_STATE);
+ }
+ }
+ if (source & MASK_AUDIO_FREQ_FLG) {
+ static const int freq[] = {
+ 0, 32000, 44100, 48000, 88200, 96000, 176400, 192000
+ };
+
+ reg = io_read(sd, REG_AUDIO_FREQ);
+ state->audio_samplerate = freq[reg & 7];
+ v4l_info(state->client, "Audio Frequency Change: %dHz\n",
+ state->audio_samplerate);
+ }
+}
+
+static void tda1997x_irq_hdcp(struct tda1997x_state *state, u8 *flags)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ u8 reg, source;
+
+ source = io_read(sd, REG_INT_FLG_CLR_HDCP);
+ io_write(sd, REG_INT_FLG_CLR_HDCP, source);
+
+ /* reset MTP in use flag if set */
+ if (source & MASK_HDCP_MTP)
+ state->mptrw_in_progress = 0;
+ if (source & MASK_STATE_C5) {
+ /* REPEATER: mask AUDIO and IF irqs to avoid IF during auth */
+ reg = io_read(sd, REG_INT_MASK_TOP);
+ reg &= ~(INTERRUPT_AUDIO | INTERRUPT_INFO);
+ io_write(sd, REG_INT_MASK_TOP, reg);
+ *flags &= (INTERRUPT_AUDIO | INTERRUPT_INFO);
+ }
+}
+
+static irqreturn_t tda1997x_isr_thread(int irq, void *d)
+{
+ struct tda1997x_state *state = d;
+ struct v4l2_subdev *sd = &state->sd;
+ u8 flags;
+
+ mutex_lock(&state->lock);
+ do {
+ /* read interrupt flags */
+ flags = io_read(sd, REG_INT_FLG_CLR_TOP);
+ if (flags == 0)
+ break;
+
+ /* SUS interrupt source (Input activity events) */
+ if (flags & INTERRUPT_SUS)
+ tda1997x_irq_sus(state, &flags);
+ /* DDC interrupt source (Display Data Channel) */
+ else if (flags & INTERRUPT_DDC)
+ tda1997x_irq_ddc(state, &flags);
+ /* RATE interrupt source (Digital Input activity) */
+ else if (flags & INTERRUPT_RATE)
+ tda1997x_irq_rate(state, &flags);
+ /* Infoframe change interrupt */
+ else if (flags & INTERRUPT_INFO)
+ tda1997x_irq_info(state, &flags);
+ /* Audio interrupt source:
+ * freq change, DST,OBA,HBR,ASP flags, mute, FIFO err
+ */
+ else if (flags & INTERRUPT_AUDIO)
+ tda1997x_irq_audio(state, &flags);
+ /* HDCP interrupt source (content protection) */
+ if (flags & INTERRUPT_HDCP)
+ tda1997x_irq_hdcp(state, &flags);
+ } while (flags != 0);
+ mutex_unlock(&state->lock);
+
+ return IRQ_HANDLED;
+}
+
+/* -----------------------------------------------------------------------------
+ * v4l2_subdev_video_ops
+ */
+
+static int
+tda1997x_g_input_status(struct v4l2_subdev *sd, u32 *status)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ mutex_lock(&state->lock);
+ if (state->timings)
+ *status = 0;
+ else
+ *status |= V4L2_IN_ST_NO_SIGNAL;
+ mutex_unlock(&state->lock);
+
+ return 0;
+};
+
+static int tda1997x_s_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ if (!timings)
+ return -EINVAL;
+
+ if (v4l2_match_dv_timings(state->timings, timings, 0, false))
+ v4l2_dbg(1, debug, sd, "%s: no change\n", __func__);
+
+ return 0;
+}
+
+static int tda1997x_g_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ if (!timings)
+ return -EINVAL;
+ *timings = *state->timings;
+ return 0;
+}
+
+static int tda1997x_query_dv_timings(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings *timings)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ if (!timings)
+ return -EINVAL;
+
+ memset(timings, 0, sizeof(struct v4l2_dv_timings));
+
+ if (!state->timings) {
+ v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
+ return -ENOLINK;
+ }
+
+ *timings = *state->timings;
+ return 0;
+}
+
+static int tda1997x_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ mutex_lock(&state->lock);
+ if (!state->timings)
+ v4l_dbg(1, debug, state->client, "Invalid HDMI signal\n");
+ mutex_unlock(&state->lock);
+
+ return 0;
+}
+
+static int tda1997x_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ cfg->type = state->bus_type;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_video_ops tda1997x_video_ops = {
+ .g_input_status = tda1997x_g_input_status,
+ .s_dv_timings = tda1997x_s_dv_timings,
+ .g_dv_timings = tda1997x_g_dv_timings,
+ .query_dv_timings = tda1997x_query_dv_timings,
+ .s_stream = tda1997x_s_stream,
+ .g_mbus_config = tda1997x_g_mbus_config,
+};
+
+
+/* -----------------------------------------------------------------------------
+ * v4l2_subdev_pad_ops
+ */
+
+static int tda1997x_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ if (code->index > 0)
+ return -EINVAL;
+
+ code->code = state->code;
+
+ return 0;
+}
+
+static int tda1997x_fill_format(struct tda1997x_state *state,
+ struct v4l2_mbus_framefmt *format)
+{
+ if (!state->timings)
+ return -EINVAL;
+ memset(format, 0, sizeof(*format));
+
+ format->width = state->timings->bt.width;
+ format->height = state->timings->bt.height;
+ format->field = V4L2_FIELD_NONE;
+ format->colorspace = V4L2_COLORSPACE_SRGB;
+
+ if (state->timings->bt.flags & V4L2_DV_FL_IS_CE_VIDEO)
+ format->colorspace = (state->timings->bt.height <= 576) ?
+ V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709;
+
+ return 0;
+}
+
+static int tda1997x_get_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct tda1997x_state *state = to_state(sd);
+
+ if (format->pad != TDA1997X_PAD_SOURCE)
+ return -EINVAL;
+
+ tda1997x_fill_format(state, &format->format);
+
+ if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+ struct v4l2_mbus_framefmt *fmt;
+
+ fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+ format->format.code = format->format.code;
+ } else
+ format->format.code = state->code;
+
+ return 0;
+}
+
+static int tda1997x_set_pad_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct v4l2_mbus_framefmt *fmt;
+
+ if (format->pad != TDA1997X_PAD_SOURCE)
+ return -EINVAL;
+
+ if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
+ return tda1997x_get_pad_format(sd, cfg, format);
+
+ fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+ *fmt = format->format;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_pad_ops tda1997x_pad_ops = {
+ .enum_mbus_code = tda1997x_enum_mbus_code,
+ .get_fmt = tda1997x_get_pad_format,
+ .set_fmt = tda1997x_set_pad_format,
+};
+
+/* -----------------------------------------------------------------------------
+ * v4l2_subdev_core_ops
+ */
+
+static int tda1997x_log_status(struct v4l2_subdev *sd)
+{
+ struct tda1997x_state *state = to_state(sd);
+ const struct v4l2_dv_timings *timings = state->timings;
+
+ v4l2_info(sd, "-----Signal status-----\n");
+ if (!timings) {
+ v4l2_info(sd, "no signal\n");
+ return 0;
+ }
+ v4l2_info(sd, "resolution: %dx%d%c@%dHz\n",
+ timings->bt.width, timings->bt.height,
+ timings->bt.interlaced ? 'i' : 'p',
+ state->fps);
+ v4l2_print_dv_timings(sd->name, "Detected format: ",
+ timings, true);
+ v4l2_info(sd, "colorspace: %d\n", state->colorspace);
+ v4l2_info(sd, "colorimetry: %d\n", state->colorimetry);
+ if (state->audio_channels)
+ v4l2_info(sd, "audio: %dch %dHz\n", state->audio_channels,
+ state->audio_samplerate);
+ else
+ v4l2_info(sd, "audio: none\n");
+ v4l2_info(sd, "vendor: %s\n", state->vendor);
+ v4l2_info(sd, "product: %s\n", state->product);
+
+ return 0;
+}
+
+static int tda1997x_subscribe_event(struct v4l2_subdev *sd,
+ struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub)
+{
+ switch (sub->type) {
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
+ case V4L2_EVENT_CTRL:
+ return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct v4l2_subdev_core_ops tda1997x_core_ops = {
+ .log_status = tda1997x_log_status,
+ .subscribe_event = tda1997x_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+/* -----------------------------------------------------------------------------
+ * v4l2_subdev_ops
+ */
+
+static const struct v4l2_subdev_ops tda1997x_subdev_ops = {
+ .core = &tda1997x_core_ops,
+ .video = &tda1997x_video_ops,
+ .pad = &tda1997x_pad_ops,
+};
+
+static int tda1997x_core_init(struct v4l2_subdev *sd)
+{
+ struct tda1997x_state *state = to_state(sd);
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ u8 reg;
+ int i;
+
+ /* disable HPD */
+ io_write(sd, REG_HPD_AUTO_CTRL, HPD_AUTO_HPD_UNSEL);
+ if (state->chip_revision == 0) {
+ io_write(sd, REG_MAN_SUS_HDMI_SEL, MAN_DIS_HDCP | MAN_RST_HDCP);
+ io_write(sd, REG_CGU_DBG_SEL, 1 << CGU_DBG_CLK_SEL_SHIFT);
+ }
+
+ /* reset infoframe at end of start-up-sequencer */
+ io_write(sd, REG_SUS_SET_RGB2, 0x06);
+ io_write(sd, REG_SUS_SET_RGB3, 0x06);
+
+ /* Enable TMDS pull-ups */
+ io_write(sd, REG_RT_MAN_CTRL, RT_MAN_CTRL_RT |
+ RT_MAN_CTRL_RT_B | RT_MAN_CTRL_RT_A);
+
+ /* enable sync measurement timing */
+ tda1997x_cec_write(sd, REG_PWR_CONTROL & 0xff, 0x04);
+ /* adjust CEC clock divider */
+ tda1997x_cec_write(sd, REG_OSC_DIVIDER & 0xff, 0x03);
+ tda1997x_cec_write(sd, REG_EN_OSC_PERIOD_LSB & 0xff, 0xa0);
+ io_write(sd, REG_TIMER_D, 0x54);
+ /* enable power switch */
+ reg = tda1997x_cec_read(sd, REG_CONTROL & 0xff);
+ reg |= 0x20;
+ tda1997x_cec_write(sd, REG_CONTROL & 0xff, reg);
+ mdelay(50);
+
+ /* read the chip version */
+ reg = io_read(sd, REG_VERSION);
+ /* get the chip configuration */
+ reg = io_read(sd, REG_CMTP_REG10);
+
+ /* enable interrupts we care about */
+ io_write(sd, REG_INT_MASK_TOP,
+ INTERRUPT_HDCP | INTERRUPT_AUDIO | INTERRUPT_INFO |
+ INTERRUPT_RATE | INTERRUPT_SUS);
+ /* config_mtp,fmt,sus_end,sus_st */
+ io_write(sd, REG_INT_MASK_SUS, MASK_MPT | MASK_FMT | MASK_SUS_END);
+ /* rate stability change for inputs A/B */
+ io_write(sd, REG_INT_MASK_RATE, MASK_RATE_B_ST | MASK_RATE_A_ST);
+ /* aud,spd,avi*/
+ io_write(sd, REG_INT_MASK_INFO,
+ MASK_AUD_IF | MASK_SPD_IF | MASK_AVI_IF);
+ /* audio_freq,audio_flg,mute_flg,fifo_err */
+ io_write(sd, REG_INT_MASK_AUDIO,
+ MASK_AUDIO_FREQ_FLG | MASK_AUDIO_FLG | MASK_MUTE_FLG |
+ MASK_ERROR_FIFO_PT);
+ /* HDCP C5 state reached */
+ io_write(sd, REG_INT_MASK_HDCP, MASK_STATE_C5);
+ /* don't care about AFE/DDC/MODE */
+ io_write(sd, REG_INT_MASK_AFE, 0);
+ io_write(sd, REG_INT_MASK_DDC, 0);
+ io_write(sd, REG_INT_MASK_MODE, 0);
+
+ /* clear all interrupts */
+ io_write(sd, REG_INT_FLG_CLR_TOP, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_SUS, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_DDC, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_RATE, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_MODE, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_INFO, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_AUDIO, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_HDCP, 0xff);
+ io_write(sd, REG_INT_FLG_CLR_AFE, 0xff);
+
+ /* init TMDS equalizer */
+ if (state->chip_revision == 0)
+ io_write(sd, REG_CGU_DBG_SEL, 1 << CGU_DBG_CLK_SEL_SHIFT);
+ io_write24(sd, REG_CLK_MIN_RATE, CLK_MIN_RATE);
+ io_write24(sd, REG_CLK_MAX_RATE, CLK_MAX_RATE);
+ if (state->chip_revision == 0)
+ io_write(sd, REG_WDL_CFG, WDL_CFG_VAL);
+ /* DC filter */
+ io_write(sd, REG_DEEP_COLOR_CTRL, DC_FILTER_VAL);
+ /* disable test pattern */
+ io_write(sd, REG_SVC_MODE, 0x00);
+ /* update HDMI INFO CTRL */
+ io_write(sd, REG_INFO_CTRL, 0xff);
+ /* write HDMI INFO EXCEED value */
+ io_write(sd, REG_INFO_EXCEED, 3);
+
+ if (state->chip_revision == 0)
+ tda1997x_reset_n1(state);
+
+ /*
+ * No HDCP acknowledge when HDCP is disabled
+ * and reset SUS to force format detection
+ */
+ tda1997x_hdmi_info_reset(sd, NACK_HDCP, true);
+
+ /* Set HPD low */
+ tda1997x_manual_hpd(sd, HPD_LOW_BP);
+
+ /* Configure receiver capabilities */
+ io_write(sd, REG_HDCP_BCAPS, HDCP_HDMI | HDCP_FAST_REAUTH);
+
+ /* Configure HDMI: Auto HDCP mode, packet controlled mute */
+ reg = HDMI_CTRL_MUTE_AUTO << HDMI_CTRL_MUTE_SHIFT;
+ reg |= HDMI_CTRL_HDCP_AUTO << HDMI_CTRL_HDCP_SHIFT;
+ io_write(sd, REG_HDMI_CTRL, reg);
+
+ /* reset start-up-sequencer to force format detection */
+ tda1997x_hdmi_info_reset(sd, 0, true);
+
+ /* Set HPD high */
+ tda1997x_manual_hpd(sd, HPD_HIGH_OTHER);
+ tda1997x_manual_hpd(sd, HPD_HIGH_BP);
+
+ /* disable matrix conversion */
+ reg = io_read(sd, REG_VDP_CTRL);
+ reg |= VDP_CTRL_MATRIX_BP;
+ io_write(sd, REG_VDP_CTRL, reg);
+
+ /* set video output mode */
+ tda1997x_configure_vidout(state);
+
+ /* configure video output port */
+ for (i = 0; i < 9; i++) {
+ v4l_dbg(1, debug, state->client, "vidout_cfg[%d]=0x%02x\n", i,
+ pdata->vidout_port_cfg[i]);
+ io_write(sd, REG_VP35_32_CTRL + i, pdata->vidout_port_cfg[i]);
+ }
+
+ /* configure audio output port */
+ tda1997x_configure_audout(sd, 0);
+
+ /* configure audio clock freq */
+ io_write(sd, REG_AUDIO_CLOCK, pdata->audout_sysclk);
+
+ /* reset advanced infoframes (ISRC1/ISRC2/ACP) */
+ tda1997x_hdmi_info_reset(sd, RESET_AI, false);
+ /* reset infoframe */
+ tda1997x_hdmi_info_reset(sd, RESET_IF, false);
+ /* reset audio infoframes */
+ tda1997x_hdmi_info_reset(sd, RESET_AUDIO, false);
+ /* reset gamut */
+ tda1997x_hdmi_info_reset(sd, RESET_GAMUT, false);
+
+ /* get initial HDMI status */
+ state->hdmi_status = io_read(sd, REG_HDMI_FLAGS);
+
+ return 0;
+}
+
+static int tda1997x_set_power(struct tda1997x_state *state, bool on)
+{
+ int ret = 0;
+
+ if (on) {
+ ret = regulator_bulk_enable(TDA1997X_NUM_SUPPLIES,
+ state->supplies);
+ msleep(300);
+ }
+
+ ret = regulator_bulk_disable(TDA1997X_NUM_SUPPLIES,
+ state->supplies);
+ return ret;
+}
+
+static const struct i2c_device_id tda1997x_i2c_id[] = {
+ {"tda19971", (kernel_ulong_t)&tda1997x_chip_info[TDA19971]},
+ {"tda19973", (kernel_ulong_t)&tda1997x_chip_info[TDA19973]},
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, tda1997x_i2c_id);
+
+static const struct of_device_id tda1997x_of_id[] __maybe_unused = {
+ { .compatible = "nxp,tda19971", .data = &tda1997x_chip_info[TDA19971] },
+ { .compatible = "nxp,tda19973", .data = &tda1997x_chip_info[TDA19973] },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tda1997x_of_id);
+
+static int tda1997x_parse_dt_audio(struct tda1997x_state *state,
+ struct device_node *np)
+{
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ const u32 *port_data;
+ u32 v;
+
+ port_data = of_get_property(np, "audio-port", &v);
+ if (!port_data)
+ return 0; /* no audio output */
+ v /= sizeof(u32);
+ if (v != 3) {
+ dev_err(&state->client->dev, "Invalid audio-port property\n");
+ return -EINVAL;
+ }
+
+ /* audio output format */
+ v = be32_to_cpup(&port_data[0]);
+ if (v > TDA1997X_SPDIF_HBR_DEMUX) {
+ dev_err(&state->client->dev, "Invalid audio format %u\n", v);
+ return -EINVAL;
+ }
+ pdata->audout_fmt = v;
+
+ /* audio output layout */
+ v = be32_to_cpup(&port_data[1]);
+ if (v > TDA1997X_LAYOUT1) {
+ dev_err(&state->client->dev, "Invalid audio layout %u\n", v);
+ return -EINVAL;
+ }
+ pdata->audout_layout = v;
+
+ /* audio output clock freq */
+ v = be32_to_cpup(&port_data[2]);
+ if (v > TDA1997X_ACLK_512FS) {
+ dev_err(&state->client->dev, "Invalid audio clock %u\n", v);
+ return -EINVAL;
+ }
+ pdata->audout_sysclk = v;
+
+ return 0;
+}
+
+static int tda1997x_parse_dt(struct tda1997x_state *state)
+{
+ struct tda1997x_platform_data *pdata = &state->pdata;
+ struct v4l2_fwnode_endpoint bus_cfg;
+ struct device_node *ep;
+ struct device_node *np;
+ unsigned int flags;
+ int ret;
+ u32 v;
+
+ /*
+ * setup default values:
+ * - HREF: active high from start to end of row
+ * - VS: Vertical Sync active high at beginning of frame
+ * - DE: Active high when data valid
+ * - A_CLK: 128*Fs
+ */
+ pdata->vidout_sel_hs = HS_HREF_SEL_HREF_VHREF;
+ pdata->vidout_sel_vs = VS_VREF_SEL_VREF_HDMI;
+ pdata->vidout_sel_de = DE_FREF_SEL_DE_VHREF;
+
+ np = state->client->dev.of_node;
+ ep = of_graph_get_next_endpoint(np, NULL);
+ if (!ep)
+ return -EINVAL;
+
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
+ if (ret) {
+ of_node_put(ep);
+ return ret;
+ }
+ of_node_put(ep);
+
+ /* polarity of HS/VS/DE */
+ flags = bus_cfg.bus.parallel.flags;
+ if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
+ pdata->vidout_inv_hs = 1;
+ if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
+ pdata->vidout_inv_vs = 1;
+ if (flags & V4L2_MBUS_DATA_ACTIVE_LOW)
+ pdata->vidout_inv_de = 1;
+ pdata->vidout_bus_width = bus_cfg.bus.parallel.bus_width;
+
+ /* video output port config */
+ ret = of_property_count_u32_elems(np, "vidout_portcfg");
+ if (ret) {
+ u32 reg, val, i;
+
+ for (i = 0; i < ret / 2 && i < 9; i++) {
+ of_property_read_u32_index(np, "vidout_portcfg",
+ i * 2, &reg);
+ of_property_read_u32_index(np, "vidout_portcfg",
+ i * 2 + 1, &val);
+ if (reg < 9)
+ pdata->vidout_port_cfg[reg] = val;
+ }
+ }
+
+ /* max pixrate */
+ if (!of_property_read_u32(np, "max-pixel-rate", &v))
+ pdata->max_pixel_rate = v;
+ else {
+ v4l_err(state->client, "get of property max-pixel-rate fail\n");
+ return -EINVAL;
+ }
+
+ return tda1997x_parse_dt_audio(state, np);
+}
+
+static int tda1997x_get_regulators(struct tda1997x_state *state)
+{
+ int i;
+
+ for (i = 0; i < TDA1997X_NUM_SUPPLIES; i++)
+ state->supplies[i].supply = tda1997x_supply_name[i];
+
+ return devm_regulator_bulk_get(&state->client->dev,
+ TDA1997X_NUM_SUPPLIES,
+ state->supplies);
+}
+
+static int tda1997x_identify_module(struct tda1997x_state *state)
+{
+ struct v4l2_subdev *sd = &state->sd;
+ enum tda1997x_type type;
+ u8 reg;
+
+ /* Read chip configuration*/
+ reg = io_read(sd, REG_CMTP_REG10);
+ state->tmdsb_clk = (reg >> 6) & 0x01; /* use tmds clock B_inv for B */
+ state->tmdsb_soc = (reg >> 5) & 0x01; /* tmds of input B */
+ state->port_30bit = (reg >> 2) & 0x03; /* 30bit vs 24bit */
+ state->output_2p5 = (reg >> 1) & 0x01; /* output supply 2.5v */
+ switch ((reg >> 4) & 0x03) {
+ case 0x00:
+ type = TDA19971;
+ break;
+ case 0x02:
+ case 0x03:
+ type = TDA19973;
+ break;
+ default:
+ dev_err(&state->client->dev, "unsupported chip ID\n");
+ return -EIO;
+ }
+ if (state->info->type != type) {
+ dev_err(&state->client->dev, "chip id mismatch\n");
+ return -EIO;
+ }
+
+ /* read chip revision */
+ state->chip_revision = io_read(sd, REG_CMTP_REG11);
+
+ return 0;
+}
+
+static const struct media_entity_operations tda1997x_media_ops = {
+ .link_validate = v4l2_subdev_link_validate,
+};
+
+static int tda1997x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct tda1997x_state *state;
+ struct tda1997x_platform_data *pdata;
+ struct v4l2_subdev *sd;
+ int ret;
+
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ state = kzalloc(sizeof(struct tda1997x_state), GFP_KERNEL);
+ if (!state)
+ return -ENOMEM;
+
+ state->client = client;
+ pdata = &state->pdata;
+ if (IS_ENABLED(CONFIG_OF) && client->dev.of_node) {
+ const struct of_device_id *oid;
+
+ oid = of_match_node(tda1997x_of_id, client->dev.of_node);
+ state->info = oid->data;
+
+ ret = tda1997x_parse_dt(state);
+ if (ret < 0) {
+ v4l_err(client, "DT parsing error\n");
+ goto err_free_state;
+ }
+ } else if (client->dev.platform_data) {
+ struct tda1997x_platform_data *pdata =
+ client->dev.platform_data;
+ state->info =
+ (const struct tda1997x_chip_info *)id->driver_data;
+ state->pdata = *pdata;
+ } else {
+ v4l_err(client, "No platform data\n");
+ ret = -ENODEV;
+ goto err_free_state;
+ }
+
+ ret = tda1997x_get_regulators(state);
+ if (ret)
+ goto err_free_state;
+
+ ret = tda1997x_set_power(state, 1);
+ if (ret)
+ goto err_free_state;
+
+ mutex_init(&state->page_lock);
+ mutex_init(&state->lock);
+ state->page = 0xff;
+
+ /* set video format based on chip and bus width */
+ ret = tda1997x_identify_module(state);
+ if (ret)
+ goto err_free_mutex;
+
+ /* initialize subdev */
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &tda1997x_subdev_ops);
+ snprintf(sd->name, sizeof(sd->name), "%s %d-%04x",
+ id->name, i2c_adapter_id(client->adapter),
+ client->addr);
+ sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
+ sd->entity.ops = &tda1997x_media_ops;
+
+ switch (state->info->type) {
+ case TDA19973:
+ switch (pdata->vidout_bus_width) {
+ case 36: /* 36bit RGB (could also be 36bit YUV) */
+ state->code = MEDIA_BUS_FMT_YUV12_1X36;
+ break;
+ case 24: /* 24bit BT656 (YUV422 semi-planar: 1-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY12_1X24;
+ break;
+ case 12: /* 12bit BT656 (2-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY12_2X12;
+ break;
+ }
+ break;
+ case TDA19971:
+ switch (pdata->vidout_bus_width) {
+ case 24: /* 24bit YUV (could also be RGB or YUV422) */
+ state->code = MEDIA_BUS_FMT_YUV8_1X24;
+ break;
+ case 20: /* 20bit YUV422 */
+ state->code = MEDIA_BUS_FMT_UYVY10_1X20;
+ break;
+ case 16: /* 16bit BT656 (YUV422 semi-planar: 1-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY8_1X16;
+ break;
+ case 12: /* 12bit BT656 (2-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY12_2X12;
+ break;
+ case 10: /* 10bit BT656 (2-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY10_2X10;
+ break;
+ case 8: /* 8bit BT656 (2-cycle) */
+ state->code = MEDIA_BUS_FMT_UYVY8_2X8;
+ break;
+ }
+ }
+ switch (state->code) {
+ case MEDIA_BUS_FMT_RGB121212_1X36:
+ case MEDIA_BUS_FMT_RGB888_1X24:
+ case MEDIA_BUS_FMT_YUV12_1X36:
+ case MEDIA_BUS_FMT_YUV8_1X24:
+ state->bus_type = V4L2_MBUS_PARALLEL;
+ state->vid_fmt = OF_FMT_444;
+ break;
+ case MEDIA_BUS_FMT_UYVY12_1X24:
+ case MEDIA_BUS_FMT_UYVY8_1X16:
+ state->bus_type = V4L2_MBUS_BT656;
+ state->vid_fmt = OF_FMT_422_SMPT;
+ break;
+ case MEDIA_BUS_FMT_UYVY12_2X12:
+ case MEDIA_BUS_FMT_UYVY10_2X10:
+ case MEDIA_BUS_FMT_UYVY8_2X8:
+ state->bus_type = V4L2_MBUS_BT656;
+ state->vid_fmt = OF_FMT_422_CCIR;
+ break;
+ default:
+ v4l_err(state->client, "incompatible code (%x)\n", state->code);
+ ret = -EINVAL;
+ goto err_free_mutex;
+ }
+ state->colorspace = HDMI_COLORSPACE_RGB;
+ state->colorimetry = HDMI_COLORIMETRY_NONE;
+
+ /* disable/reset HDCP to get correct I2C access to Rx HDMI */
+ io_write(sd, REG_MAN_SUS_HDMI_SEL, MAN_RST_HDCP | MAN_DIS_HDCP);
+
+ /*
+ * if N2 version, reset compdel_bp as it may generate some small pixel
+ * shifts in case of embedded sync/or delay lower than 4
+ */
+ if (state->chip_revision != 0) {
+ io_write(sd, REG_MAN_SUS_HDMI_SEL, 0x00);
+ io_write(sd, REG_VDP_CTRL, 0x1f);
+ }
+
+ v4l_info(client, "NXP %s N%d detected\n", state->info->name,
+ state->chip_revision + 1);
+ v4l_info(client, "video: %dbit %s %s MBUS_FMT=0x%x\n",
+ pdata->vidout_bus_width,
+ (state->bus_type == V4L2_MBUS_PARALLEL) ? "parallel" : "BT656",
+ vidfmt_names[state->vid_fmt & OF_FMT_MASK],
+ state->code);
+ if (pdata->audout_fmt) {
+ v4l_info(client, "audio: %dch %s sysclk=%d*fs\n",
+ pdata->audout_layout ? 2 : 8,
+ audfmt_names[pdata->audout_fmt],
+ 1 << (pdata->audout_sysclk + 4));
+ }
+
+ ret = 0x34 + ((io_read(sd, REG_SLAVE_ADDR)>>4) & 0x03);
+ state->client_cec = i2c_new_dummy(client->adapter, ret);
+ v4l_info(client, "CEC slave address 0x%02x\n", ret);
+
+ if (pdata->max_pixel_rate) {
+ v4l_info(client, "max pixel rate: %d MP/sec\n",
+ pdata->max_pixel_rate);
+ }
+
+ ret = tda1997x_core_init(sd);
+ if (ret)
+ goto err_free_mutex;
+
+ /* initialize source pads */
+ state->pads[TDA1997X_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_pads_init(&sd->entity, TDA1997X_NUM_PADS,
+ state->pads);
+ if (ret) {
+ v4l_err(client, "failed entity_init: %d", ret);
+ goto err_free_mutex;
+ }
+
+ ret = v4l2_async_register_subdev(sd);
+ if (ret)
+ goto err_free_media;
+
+ /* TODO: create/register audio codec */
+
+ /* request irq */
+ ret = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, tda1997x_isr_thread,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ KBUILD_MODNAME, state);
+ if (ret) {
+ v4l_err(client, "irq%d reg failed: %d\n", client->irq, ret);
+ goto err_free_media;
+ }
+
+ return 0;
+
+err_free_media:
+ media_entity_cleanup(&sd->entity);
+err_free_mutex:
+ mutex_destroy(&state->page_lock);
+ mutex_destroy(&state->lock);
+err_free_state:
+ kfree(state);
+ dev_err(&client->dev, "%s failed: %d\n", __func__, ret);
+
+ return ret;
+}
+
+static int tda1997x_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct tda1997x_state *state = to_state(sd);
+
+ disable_irq(state->client->irq);
+ tda1997x_power_mode(state, 0);
+
+ v4l2_async_unregister_subdev(sd);
+ media_entity_cleanup(&sd->entity);
+ regulator_bulk_disable(TDA1997X_NUM_SUPPLIES, state->supplies);
+ i2c_unregister_device(state->client_cec);
+ mutex_destroy(&state->page_lock);
+ mutex_destroy(&state->lock);
+
+ kfree(state);
+
+ return 0;
+}
+
+static struct i2c_driver tda1997x_i2c_driver = {
+ .driver = {
+ .name = "tda1997x",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(tda1997x_of_id),
+ },
+ .probe = tda1997x_probe,
+ .remove = tda1997x_remove,
+ .id_table = tda1997x_i2c_id,
+};
+
+module_i2c_driver(tda1997x_i2c_driver);
+
+MODULE_AUTHOR("Tim Harvey <tharvey@xxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("TDA1997X HDMI Receiver driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/dt-bindings/media/tda1997x.h b/include/dt-bindings/media/tda1997x.h
new file mode 100644
index 0000000..f4cdf87
--- /dev/null
+++ b/include/dt-bindings/media/tda1997x.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2017 Gateworks Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef _DT_BINDINGS_MEDIA_TDA1997X_H
+#define _DT_BINDINGS_MEDIA_TDA1997X_H
+
+/* TDA19973 36bit Video Port control registers */
+#define TDA1997X_VP36_35_32 0
+#define TDA1997X_VP36_31_28 1
+#define TDA1997X_VP36_27_24 2
+#define TDA1997X_VP36_23_20 3
+#define TDA1997X_VP36_19_16 4
+#define TDA1997X_VP36_15_12 5
+#define TDA1997X_VP36_11_08 6
+#define TDA1997X_VP36_07_04 7
+#define TDA1997X_VP36_03_00 8
+
+/* TDA19971 24bit Video Port control registers */
+#define TDA1997X_VP24_V23_20 0
+#define TDA1997X_VP24_V19_16 1
+#define TDA1997X_VP24_V15_12 3
+#define TDA1997X_VP24_V11_08 4
+#define TDA1997X_VP24_V07_04 6
+#define TDA1997X_VP24_V03_00 7
+
+/* Pin groups */
+#define TDA1997X_VP_OUT_EN 0x80 /* enable output group */
+#define TDA1997X_VP_HIZ 0x40 /* hi-Z output group when not used */
+#define TDA1997X_VP_SWP 0x10 /* pin-swap output group */
+#define TDA1997X_R_CR_CBCR_3_0 (0 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_R_CR_CBCR_7_4 (1 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_R_CR_CBCR_11_8 (2 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_B_CB_3_0 (3 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_B_CB_7_4 (4 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_B_CB_11_8 (5 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_G_Y_3_0 (6 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_G_Y_7_4 (7 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+#define TDA1997X_G_Y_11_8 (8 | TDA1997X_VP_OUT_EN | TDA1997X_VP_HIZ)
+/* pinswapped groups */
+#define TDA1997X_R_CR_CBCR_3_0_S (TDA1997X_R_CR_CBCR_3_0 | TDA1997X_VP_SWAP)
+#define TDA1997X_R_CR_CBCR_7_4_S (TDA1997X_R_CR_CBCR_7_4 | TDA1997X_VP_SWAP)
+#define TDA1997X_R_CR_CBCR_11_8_S (TDA1997X_R_CR_CBCR_11_8 | TDA1997X_VP_SWAP)
+#define TDA1997X_B_CB_3_0_S (TDA1997X_B_CB_3_0 | TDA1997X_VP_SWAP)
+#define TDA1997X_B_CB_7_4_S (TDA1997X_B_CB_7_4 | TDA1997X_VP_SWAP)
+#define TDA1997X_B_CB_11_8_S (TDA1997X_B_CB_11_8 | TDA1997X_VP_SWAP)
+#define TDA1997X_G_Y_3_0_S (TDA1997X_G_Y_3_0 | TDA1997X_VP_SWAP)
+#define TDA1997X_G_Y_7_4_S (TDA1997X_G_Y_7_4 | TDA1997X_VP_SWAP)
+#define TDA1997X_G_Y_11_8_S (TDA1997X_G_Y_11_8 | TDA1997X_VP_SWAP)
+
+/* Audio bus DAI format */
+#define TDA1997X_I2S16 1 /* I2S 16bit */
+#define TDA1997X_I2S32 2 /* I2S 32bit */
+#define TDA1997X_SPDIF 3 /* SPDIF */
+#define TDA1997X_OBA 4 /* One Bit Audio */
+#define TDA1997X_DST 5 /* Direct Stream Transfer */
+#define TDA1997X_I2S16_HBR 6 /* HBR straight in I2S 16bit mode */
+#define TDA1997X_I2S16_HBR_DEMUX 7 /* HBR demux in I2S 16bit mode */
+#define TDA1997X_I2S32_HBR_DEMUX 8 /* HBR demux in I2S 32bit mode */
+#define TDA1997X_SPDIF_HBR_DEMUX 9 /* HBR demux in SPDIF mode */
+
+/* Audio bus channel layout */
+#define TDA1997X_LAYOUT0 0 /* 2-channel */
+#define TDA1997X_LAYOUT1 1 /* 8-channel */
+
+/* Audio bus clock */
+#define TDA1997X_ACLK_16FS 0
+#define TDA1997X_ACLK_32FS 1
+#define TDA1997X_ACLK_64FS 2
+#define TDA1997X_ACLK_128FS 3
+#define TDA1997X_ACLK_256FS 4
+#define TDA1997X_ACLK_512FS 5
+
+#endif /* _DT_BINDINGS_MEDIA_TDA1997X_H */
diff --git a/include/media/i2c/tda1997x.h b/include/media/i2c/tda1997x.h
new file mode 100644
index 0000000..918d9dd
--- /dev/null
+++ b/include/media/i2c/tda1997x.h
@@ -0,0 +1,53 @@
+/*
+ * tda1997x - NXP HDMI receiver
+ *
+ * Copyright 2017 Tim Harvey <tharvey@xxxxxxxxxxxxx>
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _TDA1997X_
+#define _TDA1997X_
+
+/* Platform Data */
+struct tda1997x_platform_data {
+ u32 vidout_bus_width;
+ u8 vidout_port_cfg[9];
+ int max_pixel_rate; /* (MP/sec) */
+ /* pin polarity (1=invert) */
+ bool vidout_inv_de;
+ bool vidout_inv_hs;
+ bool vidout_inv_vs;
+ bool vidout_inv_pclk;
+ /* clock delays (0=-8, 1=-7 ... 15=+7 pixels) */
+ u8 vidout_delay_hs;
+ u8 vidout_delay_vs;
+ u8 vidout_delay_de;
+ u8 vidout_delay_pclk;
+ /* sync selections (controls how sync pins are derived) */
+ u8 vidout_sel_hs;
+ u8 vidout_sel_vs;
+ u8 vidout_sel_de;
+
+ /* Audio Port Output */
+ u8 audout_fmt; /* output data format */
+ u8 audout_sysclk; /* clock frequency */
+ u8 audout_layout; /* physical bus layout (if not auto) */
+ bool audout_layoutauto; /* audio layout dictated by pkt header */
+ bool audout_invert_clk; /* data valid on rising edge of BCLK */
+ bool audio_auto_mute; /* enable hardware audio auto-mute */
+};
+
+#endif
--
2.7.4

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