board/gdsys/common/ioep-fpga.c - filogic/uboot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2014
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */

 #ifdef CONFIG_GDSYS_LEGACY_DRIVERS

 #include <gdsys_fpga.h>
 #include <linux/bitops.h>

 enum pcb_video_type {
 	PCB_DVI_SL,
 	PCB_DP_165MPIX,
 	PCB_DP_300MPIX,
 	PCB_HDMI,
 	PCB_DP_1_2,
 	PCB_HDMI_2_0,
 };

 enum pcb_transmission_type {
 	PCB_CAT_1G,
 	PCB_FIBER_3G,
 	PCB_CAT_10G,
 	PCB_FIBER_10G,
 };

 enum carrier_speed {
 	CARRIER_SPEED_1G,
 	CARRIER_SPEED_3G,
 	CARRIER_SPEED_2_5G = CARRIER_SPEED_3G,
 	CARRIER_SPEED_10G,
 };

 enum ram_config {
 	RAM_DDR2_32BIT_295MBPS,
 	RAM_DDR3_32BIT_590MBPS,
 	RAM_DDR3_48BIT_590MBPS,
 	RAM_DDR3_64BIT_1800MBPS,
 	RAM_DDR3_48BIT_1800MBPS,
 };

 enum sysclock {
 	SYSCLK_147456,
 };

 struct fpga_versions {
 	bool video_channel;
 	bool con_side;
 	enum pcb_video_type pcb_video_type;
 	enum pcb_transmission_type pcb_transmission_type;
 	unsigned int hw_version;
 };

 struct fpga_features {
 	u8 video_channels;
 	u8 carriers;
 	enum carrier_speed carrier_speed;
 	enum ram_config ram_config;
 	enum sysclock sysclock;

 	bool pcm_tx;
 	bool pcm_rx;
 	bool spdif_tx;
 	bool spdif_rx;
 	bool usb2;
 	bool rs232;
 	bool compression_type1;
 	bool compression_type2;
 	bool compression_type3;
 	bool interlace;
 	bool osd;
 	bool compression_pipes;
 };

 #ifdef CONFIG_SYS_FPGA_FLAVOR_GAZERBEAM

 static int get_versions(unsigned int fpga, struct fpga_versions *versions)
 {
 	enum {
 		VERSIONS_FPGA_VIDEO_CHANNEL = BIT(12),
 		VERSIONS_FPGA_CON_SIDE = BIT(13),
 		VERSIONS_FPGA_SC = BIT(14),
 		VERSIONS_PCB_CON = BIT(9),
 		VERSIONS_PCB_SC = BIT(8),
 		VERSIONS_PCB_VIDEO_MASK = 0x3 << 6,
 		VERSIONS_PCB_VIDEO_DP_1_2 = 0x0 << 6,
 		VERSIONS_PCB_VIDEO_HDMI_2_0 = 0x1 << 6,
 		VERSIONS_PCB_TRANSMISSION_MASK = 0x3 << 4,
 		VERSIONS_PCB_TRANSMISSION_FIBER_10G = 0x0 << 4,
 		VERSIONS_PCB_TRANSMISSION_CAT_10G = 0x1 << 4,
 		VERSIONS_PCB_TRANSMISSION_FIBER_3G = 0x2 << 4,
 		VERSIONS_PCB_TRANSMISSION_CAT_1G = 0x3 << 4,
 		VERSIONS_HW_VER_MASK = 0xf << 0,
 	};
 	u16 raw_versions;

 	memset(versions, 0, sizeof(struct fpga_versions));

 	FPGA_GET_REG(fpga, versions, &raw_versions);

 	versions->video_channel = raw_versions & VERSIONS_FPGA_VIDEO_CHANNEL;
 	versions->con_side = raw_versions & VERSIONS_FPGA_CON_SIDE;

 	switch (raw_versions & VERSIONS_PCB_VIDEO_MASK) {
 	case VERSIONS_PCB_VIDEO_DP_1_2:
 		versions->pcb_video_type = PCB_DP_1_2;
 		break;

 	case VERSIONS_PCB_VIDEO_HDMI_2_0:
 		versions->pcb_video_type = PCB_HDMI_2_0;
 		break;
 	}

 	switch (raw_versions & VERSIONS_PCB_TRANSMISSION_MASK) {
 	case VERSIONS_PCB_TRANSMISSION_FIBER_10G:
 		versions->pcb_transmission_type = PCB_FIBER_10G;
 		break;

 	case VERSIONS_PCB_TRANSMISSION_CAT_10G:
 		versions->pcb_transmission_type = PCB_CAT_10G;
 		break;

 	case VERSIONS_PCB_TRANSMISSION_FIBER_3G:
 		versions->pcb_transmission_type = PCB_FIBER_3G;
 		break;

 	case VERSIONS_PCB_TRANSMISSION_CAT_1G:
 		versions->pcb_transmission_type = PCB_CAT_1G;
 		break;

 	}

 	versions->hw_version = raw_versions & VERSIONS_HW_VER_MASK;

 	return 0;
 }

 static int get_features(unsigned int fpga, struct fpga_features *features)
 {
 	enum {
 		FEATURE_SPDIF_RX = BIT(15),
 		FEATURE_SPDIF_TX = BIT(14),
 		FEATURE_PCM_RX = BIT(13),
 		FEATURE_PCM_TX = BIT(12),
 		FEATURE_RAM_MASK = GENMASK(11, 8),
 		FEATURE_RAM_DDR2_32BIT_295MBPS = 0x0 << 8,
 		FEATURE_RAM_DDR3_32BIT_590MBPS = 0x1 << 8,
 		FEATURE_RAM_DDR3_48BIT_590MBPS = 0x2 << 8,
 		FEATURE_RAM_DDR3_64BIT_1800MBPS = 0x3 << 8,
 		FEATURE_RAM_DDR3_48BIT_1800MBPS = 0x4 << 8,
 		FEATURE_CARRIER_SPEED_MASK = GENMASK(7, 6),
 		FEATURE_CARRIER_SPEED_1G = 0x0 << 6,
 		FEATURE_CARRIER_SPEED_2_5G = 0x1 << 6,
 		FEATURE_CARRIER_SPEED_10G = 0x2 << 6,
 		FEATURE_CARRIERS_MASK = GENMASK(5, 4),
 		FEATURE_CARRIERS_0 = 0x0 << 4,
 		FEATURE_CARRIERS_1 = 0x1 << 4,
 		FEATURE_CARRIERS_2 = 0x2 << 4,
 		FEATURE_CARRIERS_4 = 0x3 << 4,
 		FEATURE_USB2 = BIT(3),
 		FEATURE_VIDEOCHANNELS_MASK = GENMASK(2, 0),
 		FEATURE_VIDEOCHANNELS_0 = 0x0 << 0,
 		FEATURE_VIDEOCHANNELS_1 = 0x1 << 0,
 		FEATURE_VIDEOCHANNELS_1_1 = 0x2 << 0,
 		FEATURE_VIDEOCHANNELS_2 = 0x3 << 0,
 	};

 	enum {
 		EXT_FEATURE_OSD = BIT(15),
 		EXT_FEATURE_ETHERNET = BIT(9),
 		EXT_FEATURE_INTERLACE = BIT(8),
 		EXT_FEATURE_RS232 = BIT(7),
 		EXT_FEATURE_COMPRESSION_PERF_MASK = GENMASK(6, 4),
 		EXT_FEATURE_COMPRESSION_PERF_1X = 0x0 << 4,
 		EXT_FEATURE_COMPRESSION_PERF_2X = 0x1 << 4,
 		EXT_FEATURE_COMPRESSION_PERF_4X = 0x2 << 4,
 		EXT_FEATURE_COMPRESSION_TYPE1 = BIT(0),
 		EXT_FEATURE_COMPRESSION_TYPE2 = BIT(1),
 		EXT_FEATURE_COMPRESSION_TYPE3 = BIT(2),
 	};

 	u16 raw_features;
 	u16 raw_extended_features;

 	memset(features, 0, sizeof(struct fpga_features));

 	FPGA_GET_REG(fpga, fpga_features, &raw_features);
 	FPGA_GET_REG(fpga, fpga_ext_features, &raw_extended_features);

 	switch (raw_features & FEATURE_VIDEOCHANNELS_MASK) {
 	case FEATURE_VIDEOCHANNELS_0:
 		features->video_channels = 0;
 		break;

 	case FEATURE_VIDEOCHANNELS_1:
 		features->video_channels = 1;
 		break;

 	case FEATURE_VIDEOCHANNELS_1_1:
 	case FEATURE_VIDEOCHANNELS_2:
 		features->video_channels = 2;
 		break;
 	};

 	switch (raw_features & FEATURE_CARRIERS_MASK) {
 	case FEATURE_CARRIERS_0:
 		features->carriers = 0;
 		break;

 	case FEATURE_CARRIERS_1:
 		features->carriers = 1;
 		break;

 	case FEATURE_CARRIERS_2:
 		features->carriers = 2;
 		break;

 	case FEATURE_CARRIERS_4:
 		features->carriers = 4;
 		break;
 	}

 	switch (raw_features & FEATURE_CARRIER_SPEED_MASK) {
 	case FEATURE_CARRIER_SPEED_1G:
 		features->carrier_speed = CARRIER_SPEED_1G;
 		break;
 	case FEATURE_CARRIER_SPEED_2_5G:
 		features->carrier_speed = CARRIER_SPEED_2_5G;
 		break;
 	case FEATURE_CARRIER_SPEED_10G:
 		features->carrier_speed = CARRIER_SPEED_10G;
 		break;
 	}

 	switch (raw_features & FEATURE_RAM_MASK) {
 	case FEATURE_RAM_DDR2_32BIT_295MBPS:
 		features->ram_config = RAM_DDR2_32BIT_295MBPS;
 		break;

 	case FEATURE_RAM_DDR3_32BIT_590MBPS:
 		features->ram_config = RAM_DDR3_32BIT_590MBPS;
 		break;

 	case FEATURE_RAM_DDR3_48BIT_590MBPS:
 		features->ram_config = RAM_DDR3_48BIT_590MBPS;
 		break;

 	case FEATURE_RAM_DDR3_64BIT_1800MBPS:
 		features->ram_config = RAM_DDR3_64BIT_1800MBPS;
 		break;

 	case FEATURE_RAM_DDR3_48BIT_1800MBPS:
 		features->ram_config = RAM_DDR3_48BIT_1800MBPS;
 		break;
 	}

 	features->pcm_tx = raw_features & FEATURE_PCM_TX;
 	features->pcm_rx = raw_features & FEATURE_PCM_RX;
 	features->spdif_tx = raw_features & FEATURE_SPDIF_TX;
 	features->spdif_rx = raw_features & FEATURE_SPDIF_RX;
 	features->usb2 = raw_features & FEATURE_USB2;
 	features->rs232 = raw_extended_features & EXT_FEATURE_RS232;
 	features->compression_type1 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE1;
 	features->compression_type2 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE2;
 	features->compression_type3 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE3;
 	features->interlace = raw_extended_features & EXT_FEATURE_INTERLACE;
 	features->osd = raw_extended_features & EXT_FEATURE_OSD;
 	features->compression_pipes = raw_extended_features & EXT_FEATURE_COMPRESSION_PERF_MASK;

 	return 0;
 }

 #else

 static int get_versions(unsigned int fpga, struct fpga_versions *versions)
 {
 	enum {
 		/* HW version encoding is a mess, leave it for the moment */
 		VERSIONS_HW_VER_MASK = 0xf << 0,
 		VERSIONS_PIX_CLOCK_GEN_IDT8N3QV01 = BIT(4),
 		VERSIONS_SFP = BIT(5),
 		VERSIONS_VIDEO_MASK = 0x7 << 6,
 		VERSIONS_VIDEO_DVI = 0x0 << 6,
 		VERSIONS_VIDEO_DP_165 = 0x1 << 6,
 		VERSIONS_VIDEO_DP_300 = 0x2 << 6,
 		VERSIONS_VIDEO_HDMI = 0x3 << 6,
 		VERSIONS_UT_MASK = 0xf << 12,
 		VERSIONS_UT_MAIN_SERVER = 0x0 << 12,
 		VERSIONS_UT_MAIN_USER = 0x1 << 12,
 		VERSIONS_UT_VIDEO_SERVER = 0x2 << 12,
 		VERSIONS_UT_VIDEO_USER = 0x3 << 12,
 	};
 	u16 raw_versions;

 	memset(versions, 0, sizeof(struct fpga_versions));

 	FPGA_GET_REG(fpga, versions, &raw_versions);

 	switch (raw_versions & VERSIONS_UT_MASK) {
 	case VERSIONS_UT_MAIN_SERVER:
 		versions->video_channel = false;
 		versions->con_side = false;
 		break;

 	case VERSIONS_UT_MAIN_USER:
 		versions->video_channel = false;
 		versions->con_side = true;
 		break;

 	case VERSIONS_UT_VIDEO_SERVER:
 		versions->video_channel = true;
 		versions->con_side = false;
 		break;

 	case VERSIONS_UT_VIDEO_USER:
 		versions->video_channel = true;
 		versions->con_side = true;
 		break;

 	}

 	switch (raw_versions & VERSIONS_VIDEO_MASK) {
 	case VERSIONS_VIDEO_DVI:
 		versions->pcb_video_type = PCB_DVI_SL;
 		break;

 	case VERSIONS_VIDEO_DP_165:
 		versions->pcb_video_type = PCB_DP_165MPIX;
 		break;

 	case VERSIONS_VIDEO_DP_300:
 		versions->pcb_video_type = PCB_DP_300MPIX;
 		break;

 	case VERSIONS_VIDEO_HDMI:
 		versions->pcb_video_type = PCB_HDMI;
 		break;
 	}

 	versions->hw_version = raw_versions & VERSIONS_HW_VER_MASK;

 	if (raw_versions & VERSIONS_SFP)
 		versions->pcb_transmission_type = PCB_FIBER_3G;
 	else
 		versions->pcb_transmission_type = PCB_CAT_1G;

 	return 0;
 }

 static int get_features(unsigned int fpga, struct fpga_features *features)
 {
 	enum {
 		FEATURE_CARRIER_SPEED_2_5 = BIT(4),
 		FEATURE_RAM_MASK = 0x7 << 5,
 		FEATURE_RAM_DDR2_32BIT = 0x0 << 5,
 		FEATURE_RAM_DDR3_32BIT = 0x1 << 5,
 		FEATURE_RAM_DDR3_48BIT = 0x2 << 5,
 		FEATURE_PCM_AUDIO_TX = BIT(9),
 		FEATURE_PCM_AUDIO_RX = BIT(10),
 		FEATURE_OSD = BIT(11),
 		FEATURE_USB20 = BIT(12),
 		FEATURE_COMPRESSION_MASK = 7 << 13,
 		FEATURE_COMPRESSION_TYPE1 = 0x1 << 13,
 		FEATURE_COMPRESSION_TYPE1_TYPE2 = 0x3 << 13,
 		FEATURE_COMPRESSION_TYPE1_TYPE2_TYPE3 = 0x7 << 13,
 	};

 	enum {
 		EXTENDED_FEATURE_SPDIF_AUDIO_TX = BIT(0),
 		EXTENDED_FEATURE_SPDIF_AUDIO_RX = BIT(1),
 		EXTENDED_FEATURE_RS232 = BIT(2),
 		EXTENDED_FEATURE_COMPRESSION_PIPES = BIT(3),
 		EXTENDED_FEATURE_INTERLACE = BIT(4),
 	};

 	u16 raw_features;
 #ifdef GDSYS_LEGACY_DRIVERS
 	u16 raw_extended_features;
 #endif

 	memset(features, 0, sizeof(struct fpga_features));

 	FPGA_GET_REG(fpga, fpga_features, &raw_features);
 #ifdef GDSYS_LEGACY_DRIVERS
 	FPGA_GET_REG(fpga, fpga_ext_features, &raw_extended_features);
 #endif

 	features->video_channels = raw_features & 0x3;
 	features->carriers = (raw_features >> 2) & 0x3;

 	features->carrier_speed = (raw_features & FEATURE_CARRIER_SPEED_2_5)
 		? CARRIER_SPEED_2_5G : CARRIER_SPEED_1G;

 	switch (raw_features & FEATURE_RAM_MASK) {
 	case FEATURE_RAM_DDR2_32BIT:
 		features->ram_config = RAM_DDR2_32BIT_295MBPS;
 		break;

 	case FEATURE_RAM_DDR3_32BIT:
 		features->ram_config = RAM_DDR3_32BIT_590MBPS;
 		break;

 	case FEATURE_RAM_DDR3_48BIT:
 		features->ram_config = RAM_DDR3_48BIT_590MBPS;
 		break;
 	}

 	features->pcm_tx = raw_features & FEATURE_PCM_AUDIO_TX;
 	features->pcm_rx = raw_features & FEATURE_PCM_AUDIO_RX;
 #ifdef GDSYS_LEGACY_DRIVERS
 	features->spdif_tx = raw_extended_features & EXTENDED_FEATURE_SPDIF_AUDIO_TX;
 	features->spdif_rx = raw_extended_features & EXTENDED_FEATURE_SPDIF_AUDIO_RX;
 #endif

 	features->usb2 = raw_features & FEATURE_USB20;
 #ifdef GDSYS_LEGACY_DRIVERS
 	features->rs232 = raw_extended_features & EXTENDED_FEATURE_RS232;
 #endif

 	features->compression_type1 = false;
 	features->compression_type2 = false;
 	features->compression_type3 = false;
 	switch (raw_features & FEATURE_COMPRESSION_MASK) {
 	case FEATURE_COMPRESSION_TYPE1_TYPE2_TYPE3:
 		features->compression_type3 = true;
 	case FEATURE_COMPRESSION_TYPE1_TYPE2:
 		features->compression_type2 = true;
 	case FEATURE_COMPRESSION_TYPE1:
 		features->compression_type1 = true;
 		break;
 	}

 #ifdef GDSYS_LEGACY_DRIVERS
 	features->interlace = raw_extended_features & EXTENDED_FEATURE_INTERLACE;
 #endif
 	features->osd = raw_features & FEATURE_OSD;
 #ifdef GDSYS_LEGACY_DRIVERS
 	features->compression_pipes = raw_extended_features & EXTENDED_FEATURE_COMPRESSION_PIPES;
 #endif

 	return 0;
 }

 #include <linux/bitops.h>
 #endif

 bool ioep_fpga_has_osd(unsigned int fpga)
 {
 	struct fpga_features features;

 	get_features(fpga, &features);

 	return features.osd;
 }

 void ioep_fpga_print_info(unsigned int fpga)
 {
 	u16 fpga_version;
 	struct fpga_versions versions;
 	struct fpga_features features;

 	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
 	get_versions(fpga, &versions);
 	get_features(fpga, &features);

 	if (versions.video_channel)
 		printf("Videochannel");
 	else
 		printf("Mainchannel");

 	if (versions.con_side)
 		printf(" User");
 	else
 		printf(" Server");

 // FIXME
 #if 0
 		if (versions & (1<<4))
 			printf(" UC");
 #endif

 	switch(versions.pcb_transmission_type) {
 	case PCB_CAT_1G:
 	case PCB_CAT_10G:
 		printf(" CAT");
 		break;
 	case PCB_FIBER_3G:
 	case PCB_FIBER_10G:
 		printf(" Fiber");
 		break;
 	};

 	switch (versions.pcb_video_type) {
 	case PCB_DVI_SL:
 		printf(" DVI,");
 		break;
 	case PCB_DP_165MPIX:
 		printf(" DP 165MPix/s,");
 		break;
 	case PCB_DP_300MPIX:
 		printf(" DP 300MPix/s,");
 		break;
 	case PCB_HDMI:
 		printf(" HDMI,");
 		break;
 	case PCB_DP_1_2:
 		printf(" DP 1.2,");
 		break;
 	case PCB_HDMI_2_0:
 		printf(" HDMI 2.0,");
 		break;
 	}

 	printf(" FPGA V %d.%02d\n       features: ",
 	       fpga_version / 100, fpga_version % 100);

 	if (!features.compression_type1 &&
 	    !features.compression_type2 &&
 	    !features.compression_type3)
 		printf("no compression, ");

 	if (features.compression_type1)
 		printf("type1, ");

 	if (features.compression_type2)
 		printf("type2, ");

 	if (features.compression_type3)
 		printf("type3, ");

 	printf("%sosd", features.osd ? "" : "no ");

 	if (features.pcm_rx && features.pcm_tx)
 		printf(", pcm rx+tx");
 	else if(features.pcm_rx)
 		printf(", pcm rx");
 	else if(features.pcm_tx)
 		printf(", pcm tx");

 	if (features.spdif_rx && features.spdif_tx)
 		printf(", spdif rx+tx");
 	else if(features.spdif_rx)
 		printf(", spdif rx");
 	else if(features.spdif_tx)
 		printf(", spdif tx");

 	puts(",\n       ");

 	switch (features.sysclock) {
 	case SYSCLK_147456:
 		printf("clock 147.456 MHz");
 		break;
 	}

 	switch (features.ram_config) {
 	case RAM_DDR2_32BIT_295MBPS:
 		printf(", RAM 32 bit DDR2");
 		break;
 	case RAM_DDR3_32BIT_590MBPS:
 		printf(", RAM 32 bit DDR3");
 		break;
 	case RAM_DDR3_48BIT_590MBPS:
 	case RAM_DDR3_48BIT_1800MBPS:
 		printf(", RAM 48 bit DDR3");
 		break;
 	case RAM_DDR3_64BIT_1800MBPS:
 		printf(", RAM 64 bit DDR3");
 		break;
 	}

 	printf(", %d carrier(s)", features.carriers);

 	switch(features.carrier_speed) {
 	case CARRIER_SPEED_1G:
 		printf(", 1Gbit/s");
 		break;
 	case CARRIER_SPEED_3G:
 		printf(", 3Gbit/s");
 		break;
 	case CARRIER_SPEED_10G:
 		printf(", 10Gbit/s");
 		break;
 	}

 	printf(", %d video channel(s)\n", features.video_channels);
 }

 #endif /* CONFIG_GDSYS_LEGACY_DRIVERS */
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* (C) Copyright 2014
	* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
	*/

	#ifdef CONFIG_GDSYS_LEGACY_DRIVERS

	#include <gdsys_fpga.h>
	#include <linux/bitops.h>

	enum pcb_video_type {
	PCB_DVI_SL,
	PCB_DP_165MPIX,
	PCB_DP_300MPIX,
	PCB_HDMI,
	PCB_DP_1_2,
	PCB_HDMI_2_0,
	};

	enum pcb_transmission_type {
	PCB_CAT_1G,
	PCB_FIBER_3G,
	PCB_CAT_10G,
	PCB_FIBER_10G,
	};

	enum carrier_speed {
	CARRIER_SPEED_1G,
	CARRIER_SPEED_3G,
	CARRIER_SPEED_2_5G = CARRIER_SPEED_3G,
	CARRIER_SPEED_10G,
	};

	enum ram_config {
	RAM_DDR2_32BIT_295MBPS,
	RAM_DDR3_32BIT_590MBPS,
	RAM_DDR3_48BIT_590MBPS,
	RAM_DDR3_64BIT_1800MBPS,
	RAM_DDR3_48BIT_1800MBPS,
	};

	enum sysclock {
	SYSCLK_147456,
	};

	struct fpga_versions {
	bool video_channel;
	bool con_side;
	enum pcb_video_type pcb_video_type;
	enum pcb_transmission_type pcb_transmission_type;
	unsigned int hw_version;
	};

	struct fpga_features {
	u8 video_channels;
	u8 carriers;
	enum carrier_speed carrier_speed;
	enum ram_config ram_config;
	enum sysclock sysclock;

	bool pcm_tx;
	bool pcm_rx;
	bool spdif_tx;
	bool spdif_rx;
	bool usb2;
	bool rs232;
	bool compression_type1;
	bool compression_type2;
	bool compression_type3;
	bool interlace;
	bool osd;
	bool compression_pipes;
	};

	#ifdef CONFIG_SYS_FPGA_FLAVOR_GAZERBEAM

	static int get_versions(unsigned int fpga, struct fpga_versions *versions)
	{
	enum {
	VERSIONS_FPGA_VIDEO_CHANNEL = BIT(12),
	VERSIONS_FPGA_CON_SIDE = BIT(13),
	VERSIONS_FPGA_SC = BIT(14),
	VERSIONS_PCB_CON = BIT(9),
	VERSIONS_PCB_SC = BIT(8),
	VERSIONS_PCB_VIDEO_MASK = 0x3 << 6,
	VERSIONS_PCB_VIDEO_DP_1_2 = 0x0 << 6,
	VERSIONS_PCB_VIDEO_HDMI_2_0 = 0x1 << 6,
	VERSIONS_PCB_TRANSMISSION_MASK = 0x3 << 4,
	VERSIONS_PCB_TRANSMISSION_FIBER_10G = 0x0 << 4,
	VERSIONS_PCB_TRANSMISSION_CAT_10G = 0x1 << 4,
	VERSIONS_PCB_TRANSMISSION_FIBER_3G = 0x2 << 4,
	VERSIONS_PCB_TRANSMISSION_CAT_1G = 0x3 << 4,
	VERSIONS_HW_VER_MASK = 0xf << 0,
	};
	u16 raw_versions;

	memset(versions, 0, sizeof(struct fpga_versions));

	FPGA_GET_REG(fpga, versions, &raw_versions);

	versions->video_channel = raw_versions & VERSIONS_FPGA_VIDEO_CHANNEL;
	versions->con_side = raw_versions & VERSIONS_FPGA_CON_SIDE;

	switch (raw_versions & VERSIONS_PCB_VIDEO_MASK) {
	case VERSIONS_PCB_VIDEO_DP_1_2:
	versions->pcb_video_type = PCB_DP_1_2;
	break;

	case VERSIONS_PCB_VIDEO_HDMI_2_0:
	versions->pcb_video_type = PCB_HDMI_2_0;
	break;
	}

	switch (raw_versions & VERSIONS_PCB_TRANSMISSION_MASK) {
	case VERSIONS_PCB_TRANSMISSION_FIBER_10G:
	versions->pcb_transmission_type = PCB_FIBER_10G;
	break;

	case VERSIONS_PCB_TRANSMISSION_CAT_10G:
	versions->pcb_transmission_type = PCB_CAT_10G;
	break;

	case VERSIONS_PCB_TRANSMISSION_FIBER_3G:
	versions->pcb_transmission_type = PCB_FIBER_3G;
	break;

	case VERSIONS_PCB_TRANSMISSION_CAT_1G:
	versions->pcb_transmission_type = PCB_CAT_1G;
	break;

	}

	versions->hw_version = raw_versions & VERSIONS_HW_VER_MASK;

	return 0;
	}

	static int get_features(unsigned int fpga, struct fpga_features *features)
	{
	enum {
	FEATURE_SPDIF_RX = BIT(15),
	FEATURE_SPDIF_TX = BIT(14),
	FEATURE_PCM_RX = BIT(13),
	FEATURE_PCM_TX = BIT(12),
	FEATURE_RAM_MASK = GENMASK(11, 8),
	FEATURE_RAM_DDR2_32BIT_295MBPS = 0x0 << 8,
	FEATURE_RAM_DDR3_32BIT_590MBPS = 0x1 << 8,
	FEATURE_RAM_DDR3_48BIT_590MBPS = 0x2 << 8,
	FEATURE_RAM_DDR3_64BIT_1800MBPS = 0x3 << 8,
	FEATURE_RAM_DDR3_48BIT_1800MBPS = 0x4 << 8,
	FEATURE_CARRIER_SPEED_MASK = GENMASK(7, 6),
	FEATURE_CARRIER_SPEED_1G = 0x0 << 6,
	FEATURE_CARRIER_SPEED_2_5G = 0x1 << 6,
	FEATURE_CARRIER_SPEED_10G = 0x2 << 6,
	FEATURE_CARRIERS_MASK = GENMASK(5, 4),
	FEATURE_CARRIERS_0 = 0x0 << 4,
	FEATURE_CARRIERS_1 = 0x1 << 4,
	FEATURE_CARRIERS_2 = 0x2 << 4,
	FEATURE_CARRIERS_4 = 0x3 << 4,
	FEATURE_USB2 = BIT(3),
	FEATURE_VIDEOCHANNELS_MASK = GENMASK(2, 0),
	FEATURE_VIDEOCHANNELS_0 = 0x0 << 0,
	FEATURE_VIDEOCHANNELS_1 = 0x1 << 0,
	FEATURE_VIDEOCHANNELS_1_1 = 0x2 << 0,
	FEATURE_VIDEOCHANNELS_2 = 0x3 << 0,
	};

	enum {
	EXT_FEATURE_OSD = BIT(15),
	EXT_FEATURE_ETHERNET = BIT(9),
	EXT_FEATURE_INTERLACE = BIT(8),
	EXT_FEATURE_RS232 = BIT(7),
	EXT_FEATURE_COMPRESSION_PERF_MASK = GENMASK(6, 4),
	EXT_FEATURE_COMPRESSION_PERF_1X = 0x0 << 4,
	EXT_FEATURE_COMPRESSION_PERF_2X = 0x1 << 4,
	EXT_FEATURE_COMPRESSION_PERF_4X = 0x2 << 4,
	EXT_FEATURE_COMPRESSION_TYPE1 = BIT(0),
	EXT_FEATURE_COMPRESSION_TYPE2 = BIT(1),
	EXT_FEATURE_COMPRESSION_TYPE3 = BIT(2),
	};

	u16 raw_features;
	u16 raw_extended_features;

	memset(features, 0, sizeof(struct fpga_features));

	FPGA_GET_REG(fpga, fpga_features, &raw_features);
	FPGA_GET_REG(fpga, fpga_ext_features, &raw_extended_features);

	switch (raw_features & FEATURE_VIDEOCHANNELS_MASK) {
	case FEATURE_VIDEOCHANNELS_0:
	features->video_channels = 0;
	break;

	case FEATURE_VIDEOCHANNELS_1:
	features->video_channels = 1;
	break;

	case FEATURE_VIDEOCHANNELS_1_1:
	case FEATURE_VIDEOCHANNELS_2:
	features->video_channels = 2;
	break;
	};

	switch (raw_features & FEATURE_CARRIERS_MASK) {
	case FEATURE_CARRIERS_0:
	features->carriers = 0;
	break;

	case FEATURE_CARRIERS_1:
	features->carriers = 1;
	break;

	case FEATURE_CARRIERS_2:
	features->carriers = 2;
	break;

	case FEATURE_CARRIERS_4:
	features->carriers = 4;
	break;
	}

	switch (raw_features & FEATURE_CARRIER_SPEED_MASK) {
	case FEATURE_CARRIER_SPEED_1G:
	features->carrier_speed = CARRIER_SPEED_1G;
	break;
	case FEATURE_CARRIER_SPEED_2_5G:
	features->carrier_speed = CARRIER_SPEED_2_5G;
	break;
	case FEATURE_CARRIER_SPEED_10G:
	features->carrier_speed = CARRIER_SPEED_10G;
	break;
	}

	switch (raw_features & FEATURE_RAM_MASK) {
	case FEATURE_RAM_DDR2_32BIT_295MBPS:
	features->ram_config = RAM_DDR2_32BIT_295MBPS;
	break;

	case FEATURE_RAM_DDR3_32BIT_590MBPS:
	features->ram_config = RAM_DDR3_32BIT_590MBPS;
	break;

	case FEATURE_RAM_DDR3_48BIT_590MBPS:
	features->ram_config = RAM_DDR3_48BIT_590MBPS;
	break;

	case FEATURE_RAM_DDR3_64BIT_1800MBPS:
	features->ram_config = RAM_DDR3_64BIT_1800MBPS;
	break;

	case FEATURE_RAM_DDR3_48BIT_1800MBPS:
	features->ram_config = RAM_DDR3_48BIT_1800MBPS;
	break;
	}

	features->pcm_tx = raw_features & FEATURE_PCM_TX;
	features->pcm_rx = raw_features & FEATURE_PCM_RX;
	features->spdif_tx = raw_features & FEATURE_SPDIF_TX;
	features->spdif_rx = raw_features & FEATURE_SPDIF_RX;
	features->usb2 = raw_features & FEATURE_USB2;
	features->rs232 = raw_extended_features & EXT_FEATURE_RS232;
	features->compression_type1 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE1;
	features->compression_type2 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE2;
	features->compression_type3 = raw_extended_features & EXT_FEATURE_COMPRESSION_TYPE3;
	features->interlace = raw_extended_features & EXT_FEATURE_INTERLACE;
	features->osd = raw_extended_features & EXT_FEATURE_OSD;
	features->compression_pipes = raw_extended_features & EXT_FEATURE_COMPRESSION_PERF_MASK;

	return 0;
	}

	#else

	static int get_versions(unsigned int fpga, struct fpga_versions *versions)
	{
	enum {
	/* HW version encoding is a mess, leave it for the moment */
	VERSIONS_HW_VER_MASK = 0xf << 0,
	VERSIONS_PIX_CLOCK_GEN_IDT8N3QV01 = BIT(4),
	VERSIONS_SFP = BIT(5),
	VERSIONS_VIDEO_MASK = 0x7 << 6,
	VERSIONS_VIDEO_DVI = 0x0 << 6,
	VERSIONS_VIDEO_DP_165 = 0x1 << 6,
	VERSIONS_VIDEO_DP_300 = 0x2 << 6,
	VERSIONS_VIDEO_HDMI = 0x3 << 6,
	VERSIONS_UT_MASK = 0xf << 12,
	VERSIONS_UT_MAIN_SERVER = 0x0 << 12,
	VERSIONS_UT_MAIN_USER = 0x1 << 12,
	VERSIONS_UT_VIDEO_SERVER = 0x2 << 12,
	VERSIONS_UT_VIDEO_USER = 0x3 << 12,
	};
	u16 raw_versions;

	memset(versions, 0, sizeof(struct fpga_versions));

	FPGA_GET_REG(fpga, versions, &raw_versions);

	switch (raw_versions & VERSIONS_UT_MASK) {
	case VERSIONS_UT_MAIN_SERVER:
	versions->video_channel = false;
	versions->con_side = false;
	break;

	case VERSIONS_UT_MAIN_USER:
	versions->video_channel = false;
	versions->con_side = true;
	break;

	case VERSIONS_UT_VIDEO_SERVER:
	versions->video_channel = true;
	versions->con_side = false;
	break;

	case VERSIONS_UT_VIDEO_USER:
	versions->video_channel = true;
	versions->con_side = true;
	break;

	}

	switch (raw_versions & VERSIONS_VIDEO_MASK) {
	case VERSIONS_VIDEO_DVI:
	versions->pcb_video_type = PCB_DVI_SL;
	break;

	case VERSIONS_VIDEO_DP_165:
	versions->pcb_video_type = PCB_DP_165MPIX;
	break;

	case VERSIONS_VIDEO_DP_300:
	versions->pcb_video_type = PCB_DP_300MPIX;
	break;

	case VERSIONS_VIDEO_HDMI:
	versions->pcb_video_type = PCB_HDMI;
	break;
	}

	versions->hw_version = raw_versions & VERSIONS_HW_VER_MASK;

	if (raw_versions & VERSIONS_SFP)
	versions->pcb_transmission_type = PCB_FIBER_3G;
	else
	versions->pcb_transmission_type = PCB_CAT_1G;

	return 0;
	}

	static int get_features(unsigned int fpga, struct fpga_features *features)
	{
	enum {
	FEATURE_CARRIER_SPEED_2_5 = BIT(4),
	FEATURE_RAM_MASK = 0x7 << 5,
	FEATURE_RAM_DDR2_32BIT = 0x0 << 5,
	FEATURE_RAM_DDR3_32BIT = 0x1 << 5,
	FEATURE_RAM_DDR3_48BIT = 0x2 << 5,
	FEATURE_PCM_AUDIO_TX = BIT(9),
	FEATURE_PCM_AUDIO_RX = BIT(10),
	FEATURE_OSD = BIT(11),
	FEATURE_USB20 = BIT(12),
	FEATURE_COMPRESSION_MASK = 7 << 13,
	FEATURE_COMPRESSION_TYPE1 = 0x1 << 13,
	FEATURE_COMPRESSION_TYPE1_TYPE2 = 0x3 << 13,
	FEATURE_COMPRESSION_TYPE1_TYPE2_TYPE3 = 0x7 << 13,
	};

	enum {
	EXTENDED_FEATURE_SPDIF_AUDIO_TX = BIT(0),
	EXTENDED_FEATURE_SPDIF_AUDIO_RX = BIT(1),
	EXTENDED_FEATURE_RS232 = BIT(2),
	EXTENDED_FEATURE_COMPRESSION_PIPES = BIT(3),
	EXTENDED_FEATURE_INTERLACE = BIT(4),
	};

	u16 raw_features;
	#ifdef GDSYS_LEGACY_DRIVERS
	u16 raw_extended_features;
	#endif

	memset(features, 0, sizeof(struct fpga_features));

	FPGA_GET_REG(fpga, fpga_features, &raw_features);
	#ifdef GDSYS_LEGACY_DRIVERS
	FPGA_GET_REG(fpga, fpga_ext_features, &raw_extended_features);
	#endif

	features->video_channels = raw_features & 0x3;
	features->carriers = (raw_features >> 2) & 0x3;

	features->carrier_speed = (raw_features & FEATURE_CARRIER_SPEED_2_5)
	? CARRIER_SPEED_2_5G : CARRIER_SPEED_1G;

	switch (raw_features & FEATURE_RAM_MASK) {
	case FEATURE_RAM_DDR2_32BIT:
	features->ram_config = RAM_DDR2_32BIT_295MBPS;
	break;

	case FEATURE_RAM_DDR3_32BIT:
	features->ram_config = RAM_DDR3_32BIT_590MBPS;
	break;

	case FEATURE_RAM_DDR3_48BIT:
	features->ram_config = RAM_DDR3_48BIT_590MBPS;
	break;
	}

	features->pcm_tx = raw_features & FEATURE_PCM_AUDIO_TX;
	features->pcm_rx = raw_features & FEATURE_PCM_AUDIO_RX;
	#ifdef GDSYS_LEGACY_DRIVERS
	features->spdif_tx = raw_extended_features & EXTENDED_FEATURE_SPDIF_AUDIO_TX;
	features->spdif_rx = raw_extended_features & EXTENDED_FEATURE_SPDIF_AUDIO_RX;
	#endif

	features->usb2 = raw_features & FEATURE_USB20;
	#ifdef GDSYS_LEGACY_DRIVERS
	features->rs232 = raw_extended_features & EXTENDED_FEATURE_RS232;
	#endif

	features->compression_type1 = false;
	features->compression_type2 = false;
	features->compression_type3 = false;
	switch (raw_features & FEATURE_COMPRESSION_MASK) {
	case FEATURE_COMPRESSION_TYPE1_TYPE2_TYPE3:
	features->compression_type3 = true;
	case FEATURE_COMPRESSION_TYPE1_TYPE2:
	features->compression_type2 = true;
	case FEATURE_COMPRESSION_TYPE1:
	features->compression_type1 = true;
	break;
	}

	#ifdef GDSYS_LEGACY_DRIVERS
	features->interlace = raw_extended_features & EXTENDED_FEATURE_INTERLACE;
	#endif
	features->osd = raw_features & FEATURE_OSD;
	#ifdef GDSYS_LEGACY_DRIVERS
	features->compression_pipes = raw_extended_features & EXTENDED_FEATURE_COMPRESSION_PIPES;
	#endif

	return 0;
	}

	#include <linux/bitops.h>
	#endif

	bool ioep_fpga_has_osd(unsigned int fpga)
	{
	struct fpga_features features;

	get_features(fpga, &features);

	return features.osd;
	}

	void ioep_fpga_print_info(unsigned int fpga)
	{
	u16 fpga_version;
	struct fpga_versions versions;
	struct fpga_features features;

	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
	get_versions(fpga, &versions);
	get_features(fpga, &features);

	if (versions.video_channel)
	printf("Videochannel");
	else
	printf("Mainchannel");

	if (versions.con_side)
	printf(" User");
	else
	printf(" Server");

	// FIXME
	#if 0
	if (versions & (1<<4))
	printf(" UC");
	#endif

	switch(versions.pcb_transmission_type) {
	case PCB_CAT_1G:
	case PCB_CAT_10G:
	printf(" CAT");
	break;
	case PCB_FIBER_3G:
	case PCB_FIBER_10G:
	printf(" Fiber");
	break;
	};

	switch (versions.pcb_video_type) {
	case PCB_DVI_SL:
	printf(" DVI,");
	break;
	case PCB_DP_165MPIX:
	printf(" DP 165MPix/s,");
	break;
	case PCB_DP_300MPIX:
	printf(" DP 300MPix/s,");
	break;
	case PCB_HDMI:
	printf(" HDMI,");
	break;
	case PCB_DP_1_2:
	printf(" DP 1.2,");
	break;
	case PCB_HDMI_2_0:
	printf(" HDMI 2.0,");
	break;
	}

	printf(" FPGA V %d.%02d\n features: ",
	fpga_version / 100, fpga_version % 100);

	if (!features.compression_type1 &&
	!features.compression_type2 &&
	!features.compression_type3)
	printf("no compression, ");

	if (features.compression_type1)
	printf("type1, ");

	if (features.compression_type2)
	printf("type2, ");

	if (features.compression_type3)
	printf("type3, ");

	printf("%sosd", features.osd ? "" : "no ");

	if (features.pcm_rx && features.pcm_tx)
	printf(", pcm rx+tx");
	else if(features.pcm_rx)
	printf(", pcm rx");
	else if(features.pcm_tx)
	printf(", pcm tx");

	if (features.spdif_rx && features.spdif_tx)
	printf(", spdif rx+tx");
	else if(features.spdif_rx)
	printf(", spdif rx");
	else if(features.spdif_tx)
	printf(", spdif tx");

	puts(",\n ");

	switch (features.sysclock) {
	case SYSCLK_147456:
	printf("clock 147.456 MHz");
	break;
	}

	switch (features.ram_config) {
	case RAM_DDR2_32BIT_295MBPS:
	printf(", RAM 32 bit DDR2");
	break;
	case RAM_DDR3_32BIT_590MBPS:
	printf(", RAM 32 bit DDR3");
	break;
	case RAM_DDR3_48BIT_590MBPS:
	case RAM_DDR3_48BIT_1800MBPS:
	printf(", RAM 48 bit DDR3");
	break;
	case RAM_DDR3_64BIT_1800MBPS:
	printf(", RAM 64 bit DDR3");
	break;
	}

	printf(", %d carrier(s)", features.carriers);

	switch(features.carrier_speed) {
	case CARRIER_SPEED_1G:
	printf(", 1Gbit/s");
	break;
	case CARRIER_SPEED_3G:
	printf(", 3Gbit/s");
	break;
	case CARRIER_SPEED_10G:
	printf(", 10Gbit/s");
	break;
	}

	printf(", %d video channel(s)\n", features.video_channels);
	}

	#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */