iio:ad5064: Use a enum for the register map layout type (4946ff58) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/iio/dac/ad5064.c

+41 −13

Original line number	Original line	Diff line number	Diff line
	@@ -49,6 +49,16 @@
	#define AD5064_LDAC_PWRDN_100K 0x2		#define AD5064_LDAC_PWRDN_100K 0x2
	#define AD5064_LDAC_PWRDN_3STATE 0x3		#define AD5064_LDAC_PWRDN_3STATE 0x3

			/**
			* enum ad5064_regmap_type - Register layout variant
			* @AD5064_REGMAP_ADI: Analog Devices register map layout
			* @AD5064_REGMAP_LTC: LTC register map layout
			*/
			enum ad5064_regmap_type {
			AD5064_REGMAP_ADI,
			AD5064_REGMAP_LTC,
			};

	/**		/**
	* struct ad5064_chip_info - chip specific information		* struct ad5064_chip_info - chip specific information
	* @shared_vref: whether the vref supply is shared between channels		* @shared_vref: whether the vref supply is shared between channels
	@@ -56,8 +66,7 @@
	internal vref.		internal vref.
	* @channel: channel specification		* @channel: channel specification
	* @num_channels: number of channels		* @num_channels: number of channels
	* @powerdown_ltc: Use alternative power down addressing as required by		* @regmap_type: register map layout variant
	* ltc2617 and others.
	*/		*/

	struct ad5064_chip_info {		struct ad5064_chip_info {
	@@ -65,7 +74,7 @@ struct ad5064_chip_info {
	unsigned long internal_vref;		unsigned long internal_vref;
	const struct iio_chan_spec *channels;		const struct iio_chan_spec *channels;
	unsigned int num_channels;		unsigned int num_channels;
	bool powerdown_ltc;		enum ad5064_regmap_type regmap_type;
	};		};

	struct ad5064_state;		struct ad5064_state;
	@@ -153,7 +162,7 @@ static int ad5064_sync_powerdown_mode(struct ad5064_state *st,
	unsigned int val, address;		unsigned int val, address;
	int ret;		int ret;

	if (st->chip_info->powerdown_ltc) {		if (st->chip_info->regmap_type == AD5064_REGMAP_LTC) {
	val = 0;		val = 0;
	address = chan->address;		address = chan->address;
	} else {		} else {
	@@ -393,171 +402,190 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5024_channels,		.channels = ad5024_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5025] = {		[ID_AD5025] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5025_channels,		.channels = ad5025_channels,
	.num_channels = 2,		.num_channels = 2,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5044] = {		[ID_AD5044] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5044_channels,		.channels = ad5044_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5045] = {		[ID_AD5045] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5045_channels,		.channels = ad5045_channels,
	.num_channels = 2,		.num_channels = 2,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5064] = {		[ID_AD5064] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5064_1] = {		[ID_AD5064_1] = {
	.shared_vref = true,		.shared_vref = true,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5065] = {		[ID_AD5065] = {
	.shared_vref = false,		.shared_vref = false,
	.channels = ad5065_channels,		.channels = ad5065_channels,
	.num_channels = 2,		.num_channels = 2,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5628_1] = {		[ID_AD5628_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5024_channels,		.channels = ad5024_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5628_2] = {		[ID_AD5628_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5024_channels,		.channels = ad5024_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5629_1] = {		[ID_AD5629_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5629_channels,		.channels = ad5629_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5629_2] = {		[ID_AD5629_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5629_channels,		.channels = ad5629_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5648_1] = {		[ID_AD5648_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5044_channels,		.channels = ad5044_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5648_2] = {		[ID_AD5648_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5044_channels,		.channels = ad5044_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5666_1] = {		[ID_AD5666_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5666_2] = {		[ID_AD5666_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 4,		.num_channels = 4,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5668_1] = {		[ID_AD5668_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5668_2] = {		[ID_AD5668_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5064_channels,		.channels = ad5064_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5669_1] = {		[ID_AD5669_1] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 2500000,		.internal_vref = 2500000,
	.channels = ad5669_channels,		.channels = ad5669_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_AD5669_2] = {		[ID_AD5669_2] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 5000000,		.internal_vref = 5000000,
	.channels = ad5669_channels,		.channels = ad5669_channels,
	.num_channels = 8,		.num_channels = 8,
			.regmap_type = AD5064_REGMAP_ADI,
	},		},
	[ID_LTC2606] = {		[ID_LTC2606] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2607_channels,		.channels = ltc2607_channels,
	.num_channels = 1,		.num_channels = 1,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2607] = {		[ID_LTC2607] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2607_channels,		.channels = ltc2607_channels,
	.num_channels = 2,		.num_channels = 2,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2609] = {		[ID_LTC2609] = {
	.shared_vref = false,		.shared_vref = false,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2607_channels,		.channels = ltc2607_channels,
	.num_channels = 4,		.num_channels = 4,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2616] = {		[ID_LTC2616] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2617_channels,		.channels = ltc2617_channels,
	.num_channels = 1,		.num_channels = 1,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2617] = {		[ID_LTC2617] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2617_channels,		.channels = ltc2617_channels,
	.num_channels = 2,		.num_channels = 2,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2619] = {		[ID_LTC2619] = {
	.shared_vref = false,		.shared_vref = false,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2617_channels,		.channels = ltc2617_channels,
	.num_channels = 4,		.num_channels = 4,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2626] = {		[ID_LTC2626] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2627_channels,		.channels = ltc2627_channels,
	.num_channels = 1,		.num_channels = 1,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2627] = {		[ID_LTC2627] = {
	.shared_vref = true,		.shared_vref = true,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2627_channels,		.channels = ltc2627_channels,
	.num_channels = 2,		.num_channels = 2,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	[ID_LTC2629] = {		[ID_LTC2629] = {
	.shared_vref = false,		.shared_vref = false,
	.internal_vref = 0,		.internal_vref = 0,
	.channels = ltc2627_channels,		.channels = ltc2627_channels,
	.num_channels = 4,		.num_channels = 4,
	.powerdown_ltc = true,		.regmap_type = AD5064_REGMAP_LTC,
	},		},
	};		};