96 static inline int dpot_read_d8(struct dpot_data *dpot)  in dpot_read_d8()  argument
98 	return dpot->bdata.bops->read_d8(dpot->bdata.client);  in dpot_read_d8()
101 static inline int dpot_read_r8d8(struct dpot_data *dpot, u8 reg)  in dpot_read_r8d8()  argument
103 	return dpot->bdata.bops->read_r8d8(dpot->bdata.client, reg);  in dpot_read_r8d8()
106 static inline int dpot_read_r8d16(struct dpot_data *dpot, u8 reg)  in dpot_read_r8d16()  argument
108 	return dpot->bdata.bops->read_r8d16(dpot->bdata.client, reg);  in dpot_read_r8d16()
111 static inline int dpot_write_d8(struct dpot_data *dpot, u8 val)  in dpot_write_d8()  argument
113 	return dpot->bdata.bops->write_d8(dpot->bdata.client, val);  in dpot_write_d8()
116 static inline int dpot_write_r8d8(struct dpot_data *dpot, u8 reg, u16 val)  in dpot_write_r8d8()  argument
118 	return dpot->bdata.bops->write_r8d8(dpot->bdata.client, reg, val);  in dpot_write_r8d8()
121 static inline int dpot_write_r8d16(struct dpot_data *dpot, u8 reg, u16 val)  in dpot_write_r8d16()  argument
123 	return dpot->bdata.bops->write_r8d16(dpot->bdata.client, reg, val);  in dpot_write_r8d16()
126 static s32 dpot_read_spi(struct dpot_data *dpot, u8 reg)  in dpot_read_spi()  argument
133 		if (dpot->feat & F_RDACS_WONLY)  in dpot_read_spi()
134 			return dpot->rdac_cache[reg & DPOT_RDAC_MASK];  in dpot_read_spi()
135 		if (dpot->uid == DPOT_UID(AD5291_ID) ||  in dpot_read_spi()
136 			dpot->uid == DPOT_UID(AD5292_ID) ||  in dpot_read_spi()
137 			dpot->uid == DPOT_UID(AD5293_ID)) {  in dpot_read_spi()
139 			value = dpot_read_r8d8(dpot,  in dpot_read_spi()
142 			if (dpot->uid == DPOT_UID(AD5291_ID))  in dpot_read_spi()
146 		} else if (dpot->uid == DPOT_UID(AD5270_ID) ||  in dpot_read_spi()
147 			dpot->uid == DPOT_UID(AD5271_ID)) {  in dpot_read_spi()
149 			value = dpot_read_r8d8(dpot,  in dpot_read_spi()
155 			if (dpot->uid == DPOT_UID(AD5271_ID))  in dpot_read_spi()
166 	if (dpot->feat & F_SPI_16BIT)  in dpot_read_spi()
167 		return dpot_read_r8d8(dpot, ctrl);  in dpot_read_spi()
168 	else if (dpot->feat & F_SPI_24BIT)  in dpot_read_spi()
169 		return dpot_read_r8d16(dpot, ctrl);  in dpot_read_spi()
174 static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)  in dpot_read_i2c()  argument
179 	switch (dpot->uid) {  in dpot_read_i2c()
182 		return dpot_read_d8(dpot);  in dpot_read_i2c()
192 		return dpot_read_r8d8(dpot, ctrl);  in dpot_read_i2c()
196 			return dpot_read_d8(dpot);  in dpot_read_i2c()
201 		return dpot_read_r8d8(dpot, ctrl);  in dpot_read_i2c()
204 		dpot_write_r8d8(dpot,  in dpot_read_i2c()
207 		value = dpot_read_r8d16(dpot, DPOT_AD5270_1_2_4_RDAC << 2);  in dpot_read_i2c()
216 		if (dpot->uid == DPOT_UID(AD5274_ID))  in dpot_read_i2c()
220 		if ((reg & DPOT_REG_TOL) || (dpot->max_pos > 256))  in dpot_read_i2c()
221 			return dpot_read_r8d16(dpot, (reg & 0xF8) |  in dpot_read_i2c()
224 			return dpot_read_r8d8(dpot, reg);  in dpot_read_i2c()
228 static s32 dpot_read(struct dpot_data *dpot, u8 reg)  in dpot_read()  argument
230 	if (dpot->feat & F_SPI)  in dpot_read()
231 		return dpot_read_spi(dpot, reg);  in dpot_read()
233 		return dpot_read_i2c(dpot, reg);  in dpot_read()
236 static s32 dpot_write_spi(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write_spi()  argument
241 		if (dpot->feat & F_RDACS_WONLY)  in dpot_write_spi()
242 			dpot->rdac_cache[reg & DPOT_RDAC_MASK] = value;  in dpot_write_spi()
244 		if (dpot->feat & F_AD_APPDATA) {  in dpot_write_spi()
245 			if (dpot->feat & F_SPI_8BIT) {  in dpot_write_spi()
247 					DPOT_MAX_POS(dpot->devid)) |  in dpot_write_spi()
249 				return dpot_write_d8(dpot, val);  in dpot_write_spi()
250 			} else if (dpot->feat & F_SPI_16BIT) {  in dpot_write_spi()
252 					DPOT_MAX_POS(dpot->devid)) |  in dpot_write_spi()
254 				return dpot_write_r8d8(dpot, val >> 8,  in dpot_write_spi()
259 			if (dpot->uid == DPOT_UID(AD5291_ID) ||  in dpot_write_spi()
260 				dpot->uid == DPOT_UID(AD5292_ID) ||  in dpot_write_spi()
261 				dpot->uid == DPOT_UID(AD5293_ID)) {  in dpot_write_spi()
263 				dpot_write_r8d8(dpot, DPOT_AD5291_CTRLREG << 2,  in dpot_write_spi()
266 				if (dpot->uid == DPOT_UID(AD5291_ID))  in dpot_write_spi()
269 				return dpot_write_r8d8(dpot,  in dpot_write_spi()
272 			} else if (dpot->uid == DPOT_UID(AD5270_ID) ||  in dpot_write_spi()
273 				dpot->uid == DPOT_UID(AD5271_ID)) {  in dpot_write_spi()
274 				dpot_write_r8d8(dpot,  in dpot_write_spi()
278 				if (dpot->uid == DPOT_UID(AD5271_ID))  in dpot_write_spi()
281 				return dpot_write_r8d8(dpot,  in dpot_write_spi()
305 		if (dpot->uid == DPOT_UID(AD5291_ID) ||  in dpot_write_spi()
306 			dpot->uid == DPOT_UID(AD5292_ID)) {  in dpot_write_spi()
307 			return dpot_write_r8d8(dpot,  in dpot_write_spi()
309 		} else if (dpot->uid == DPOT_UID(AD5270_ID) ||  in dpot_write_spi()
310 			dpot->uid == DPOT_UID(AD5271_ID)) {  in dpot_write_spi()
311 			return dpot_write_r8d8(dpot,  in dpot_write_spi()
317 	if (dpot->feat & F_SPI_16BIT)  in dpot_write_spi()
318 		return dpot_write_r8d8(dpot, val, value);  in dpot_write_spi()
319 	else if (dpot->feat & F_SPI_24BIT)  in dpot_write_spi()
320 		return dpot_write_r8d16(dpot, val, value);  in dpot_write_spi()
325 static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write_i2c()  argument
330 	switch (dpot->uid) {  in dpot_write_i2c()
333 		return dpot_write_d8(dpot, value);  in dpot_write_i2c()
344 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
348 			tmp = dpot_read_d8(dpot);  in dpot_write_i2c()
353 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
359 			tmp = dpot_read_r8d16(dpot, ctrl);  in dpot_write_i2c()
364 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
367 			tmp = dpot_read_r8d16(dpot, tmp);  in dpot_write_i2c()
372 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
375 		dpot_write_r8d8(dpot, DPOT_AD5270_1_2_4_CTRLREG << 2,  in dpot_write_i2c()
379 			return dpot_write_r8d8(dpot,  in dpot_write_i2c()
382 		if (dpot->uid == DPOT_UID(AD5274_ID))  in dpot_write_i2c()
385 		return dpot_write_r8d8(dpot, (DPOT_AD5270_1_2_4_RDAC << 2) |  in dpot_write_i2c()
389 			return dpot_write_d8(dpot, reg);  in dpot_write_i2c()
391 		if (dpot->max_pos > 256)  in dpot_write_i2c()
392 			return dpot_write_r8d16(dpot, (reg & 0xF8) |  in dpot_write_i2c()
396 			return dpot_write_r8d8(dpot, reg, value);  in dpot_write_i2c()
400 static s32 dpot_write(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write()  argument
402 	if (dpot->feat & F_SPI)  in dpot_write()
403 		return dpot_write_spi(dpot, reg, value);  in dpot_write()
405 		return dpot_write_i2c(dpot, reg, value);  in dpot_write()