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v6.8
  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * intel_pmic.c - Intel PMIC operation region driver
  4 *
  5 * Copyright (C) 2014 Intel Corporation. All rights reserved.
  6 */
  7
  8#include <linux/export.h>
  9#include <linux/acpi.h>
 10#include <linux/mfd/intel_soc_pmic.h>
 11#include <linux/regmap.h>
 12#include <acpi/acpi_lpat.h>
 13#include "intel_pmic.h"
 14
 15#define PMIC_POWER_OPREGION_ID		0x8d
 16#define PMIC_THERMAL_OPREGION_ID	0x8c
 17#define PMIC_REGS_OPREGION_ID		0x8f
 18
 19struct intel_pmic_regs_handler_ctx {
 20	unsigned int val;
 21	u16 addr;
 22};
 23
 24struct intel_pmic_opregion {
 25	struct mutex lock;
 26	struct acpi_lpat_conversion_table *lpat_table;
 27	struct regmap *regmap;
 28	const struct intel_pmic_opregion_data *data;
 29	struct intel_pmic_regs_handler_ctx ctx;
 30};
 31
 32static struct intel_pmic_opregion *intel_pmic_opregion;
 33
 34static int pmic_get_reg_bit(int address, struct pmic_table *table,
 35			    int count, int *reg, int *bit)
 36{
 37	int i;
 38
 39	for (i = 0; i < count; i++) {
 40		if (table[i].address == address) {
 41			*reg = table[i].reg;
 42			if (bit)
 43				*bit = table[i].bit;
 44			return 0;
 45		}
 46	}
 47	return -ENOENT;
 48}
 49
 50static acpi_status intel_pmic_power_handler(u32 function,
 51		acpi_physical_address address, u32 bits, u64 *value64,
 52		void *handler_context, void *region_context)
 53{
 54	struct intel_pmic_opregion *opregion = region_context;
 55	struct regmap *regmap = opregion->regmap;
 56	const struct intel_pmic_opregion_data *d = opregion->data;
 57	int reg, bit, result;
 58
 59	if (bits != 32 || !value64)
 60		return AE_BAD_PARAMETER;
 61
 62	if (function == ACPI_WRITE && !(*value64 == 0 || *value64 == 1))
 63		return AE_BAD_PARAMETER;
 64
 65	result = pmic_get_reg_bit(address, d->power_table,
 66				  d->power_table_count, &reg, &bit);
 67	if (result == -ENOENT)
 68		return AE_BAD_PARAMETER;
 69
 70	mutex_lock(&opregion->lock);
 71
 72	result = function == ACPI_READ ?
 73		d->get_power(regmap, reg, bit, value64) :
 74		d->update_power(regmap, reg, bit, *value64 == 1);
 75
 76	mutex_unlock(&opregion->lock);
 77
 78	return result ? AE_ERROR : AE_OK;
 79}
 80
 81static int pmic_read_temp(struct intel_pmic_opregion *opregion,
 82			  int reg, u64 *value)
 83{
 84	int raw_temp, temp;
 85
 86	if (!opregion->data->get_raw_temp)
 87		return -ENXIO;
 88
 89	raw_temp = opregion->data->get_raw_temp(opregion->regmap, reg);
 90	if (raw_temp < 0)
 91		return raw_temp;
 92
 93	if (!opregion->lpat_table) {
 94		*value = raw_temp;
 95		return 0;
 96	}
 97
 98	temp = opregion->data->lpat_raw_to_temp(opregion->lpat_table, raw_temp);
 99	if (temp < 0)
100		return temp;
101
102	*value = temp;
103	return 0;
104}
105
106static int pmic_thermal_temp(struct intel_pmic_opregion *opregion, int reg,
107			     u32 function, u64 *value)
108{
109	return function == ACPI_READ ?
110		pmic_read_temp(opregion, reg, value) : -EINVAL;
111}
112
113static int pmic_thermal_aux(struct intel_pmic_opregion *opregion, int reg,
114			    u32 function, u64 *value)
115{
116	int raw_temp;
117
118	if (function == ACPI_READ)
119		return pmic_read_temp(opregion, reg, value);
120
121	if (!opregion->data->update_aux)
122		return -ENXIO;
123
124	if (opregion->lpat_table) {
125		raw_temp = acpi_lpat_temp_to_raw(opregion->lpat_table, *value);
126		if (raw_temp < 0)
127			return raw_temp;
128	} else {
129		raw_temp = *value;
130	}
131
132	return opregion->data->update_aux(opregion->regmap, reg, raw_temp);
133}
134
135static int pmic_thermal_pen(struct intel_pmic_opregion *opregion, int reg,
136			    int bit, u32 function, u64 *value)
137{
138	const struct intel_pmic_opregion_data *d = opregion->data;
139	struct regmap *regmap = opregion->regmap;
140
141	if (!d->get_policy || !d->update_policy)
142		return -ENXIO;
143
144	if (function == ACPI_READ)
145		return d->get_policy(regmap, reg, bit, value);
146
147	if (*value != 0 && *value != 1)
148		return -EINVAL;
149
150	return d->update_policy(regmap, reg, bit, *value);
151}
152
153static bool pmic_thermal_is_temp(int address)
154{
155	return (address <= 0x3c) && !(address % 12);
156}
157
158static bool pmic_thermal_is_aux(int address)
159{
160	return (address >= 4 && address <= 0x40 && !((address - 4) % 12)) ||
161	       (address >= 8 && address <= 0x44 && !((address - 8) % 12));
162}
163
164static bool pmic_thermal_is_pen(int address)
165{
166	return address >= 0x48 && address <= 0x5c;
167}
168
169static acpi_status intel_pmic_thermal_handler(u32 function,
170		acpi_physical_address address, u32 bits, u64 *value64,
171		void *handler_context, void *region_context)
172{
173	struct intel_pmic_opregion *opregion = region_context;
174	const struct intel_pmic_opregion_data *d = opregion->data;
175	int reg, bit, result;
176
177	if (bits != 32 || !value64)
178		return AE_BAD_PARAMETER;
179
180	result = pmic_get_reg_bit(address, d->thermal_table,
181				  d->thermal_table_count, &reg, &bit);
182	if (result == -ENOENT)
183		return AE_BAD_PARAMETER;
184
185	mutex_lock(&opregion->lock);
186
187	if (pmic_thermal_is_temp(address))
188		result = pmic_thermal_temp(opregion, reg, function, value64);
189	else if (pmic_thermal_is_aux(address))
190		result = pmic_thermal_aux(opregion, reg, function, value64);
191	else if (pmic_thermal_is_pen(address))
192		result = pmic_thermal_pen(opregion, reg, bit,
193						function, value64);
194	else
195		result = -EINVAL;
196
197	mutex_unlock(&opregion->lock);
198
199	if (result < 0) {
200		if (result == -EINVAL)
201			return AE_BAD_PARAMETER;
202		else
203			return AE_ERROR;
204	}
205
206	return AE_OK;
207}
208
209static acpi_status intel_pmic_regs_handler(u32 function,
210		acpi_physical_address address, u32 bits, u64 *value64,
211		void *handler_context, void *region_context)
212{
213	struct intel_pmic_opregion *opregion = region_context;
214	int result = -EINVAL;
215
216	if (function == ACPI_WRITE) {
217		switch (address) {
218		case 0:
219			return AE_OK;
220		case 1:
221			opregion->ctx.addr |= (*value64 & 0xff) << 8;
222			return AE_OK;
223		case 2:
224			opregion->ctx.addr |= *value64 & 0xff;
225			return AE_OK;
226		case 3:
227			opregion->ctx.val = *value64 & 0xff;
228			return AE_OK;
229		case 4:
230			if (*value64) {
231				result = regmap_write(opregion->regmap, opregion->ctx.addr,
232						      opregion->ctx.val);
233			} else {
234				result = regmap_read(opregion->regmap, opregion->ctx.addr,
235						     &opregion->ctx.val);
236			}
237			opregion->ctx.addr = 0;
238		}
239	}
240
241	if (function == ACPI_READ && address == 3) {
242		*value64 = opregion->ctx.val;
243		return AE_OK;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
244	}
245
246	if (result < 0) {
247		if (result == -EINVAL)
248			return AE_BAD_PARAMETER;
249		else
250			return AE_ERROR;
251	}
252
253	return AE_OK;
254}
255
256int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
257					struct regmap *regmap,
258					const struct intel_pmic_opregion_data *d)
259{
260	acpi_status status = AE_OK;
261	struct intel_pmic_opregion *opregion;
262	int ret;
263
264	if (!dev || !regmap || !d)
265		return -EINVAL;
266
267	if (!handle)
268		return -ENODEV;
269
270	opregion = devm_kzalloc(dev, sizeof(*opregion), GFP_KERNEL);
271	if (!opregion)
272		return -ENOMEM;
273
274	mutex_init(&opregion->lock);
275	opregion->regmap = regmap;
276	opregion->lpat_table = acpi_lpat_get_conversion_table(handle);
277
278	if (d->power_table_count)
279		status = acpi_install_address_space_handler(handle,
280						    PMIC_POWER_OPREGION_ID,
281						    intel_pmic_power_handler,
282						    NULL, opregion);
283	if (ACPI_FAILURE(status)) {
284		ret = -ENODEV;
285		goto out_error;
286	}
287
288	if (d->thermal_table_count)
289		status = acpi_install_address_space_handler(handle,
290						    PMIC_THERMAL_OPREGION_ID,
291						    intel_pmic_thermal_handler,
292						    NULL, opregion);
293	if (ACPI_FAILURE(status)) {
294		ret = -ENODEV;
295		goto out_remove_power_handler;
296	}
297
298	status = acpi_install_address_space_handler(handle,
299			PMIC_REGS_OPREGION_ID, intel_pmic_regs_handler, NULL,
300			opregion);
301	if (ACPI_FAILURE(status)) {
302		ret = -ENODEV;
303		goto out_remove_thermal_handler;
304	}
305
306	opregion->data = d;
307	intel_pmic_opregion = opregion;
308	return 0;
309
310out_remove_thermal_handler:
311	if (d->thermal_table_count)
312		acpi_remove_address_space_handler(handle,
313						  PMIC_THERMAL_OPREGION_ID,
314						  intel_pmic_thermal_handler);
315
316out_remove_power_handler:
317	if (d->power_table_count)
318		acpi_remove_address_space_handler(handle,
319						  PMIC_POWER_OPREGION_ID,
320						  intel_pmic_power_handler);
321
322out_error:
323	acpi_lpat_free_conversion_table(opregion->lpat_table);
324	return ret;
325}
326EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler);
327
328/**
329 * intel_soc_pmic_exec_mipi_pmic_seq_element - Execute PMIC MIPI sequence
330 * @i2c_address:  I2C client address for the PMIC
331 * @reg_address:  PMIC register address
332 * @value:        New value for the register bits to change
333 * @mask:         Mask indicating which register bits to change
334 *
335 * DSI LCD panels describe an initialization sequence in the i915 VBT (Video
336 * BIOS Tables) using so called MIPI sequences. One possible element in these
337 * sequences is a PMIC specific element of 15 bytes.
338 *
339 * This function executes these PMIC specific elements sending the embedded
340 * commands to the PMIC.
341 *
342 * Return 0 on success, < 0 on failure.
343 */
344int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address,
345					      u32 value, u32 mask)
346{
347	const struct intel_pmic_opregion_data *d;
348	int ret;
349
350	if (!intel_pmic_opregion) {
351		pr_warn("%s: No PMIC registered\n", __func__);
352		return -ENXIO;
353	}
354
355	d = intel_pmic_opregion->data;
356
357	mutex_lock(&intel_pmic_opregion->lock);
358
359	if (d->exec_mipi_pmic_seq_element) {
360		ret = d->exec_mipi_pmic_seq_element(intel_pmic_opregion->regmap,
361						    i2c_address, reg_address,
362						    value, mask);
363	} else if (d->pmic_i2c_address) {
364		if (i2c_address == d->pmic_i2c_address) {
365			ret = regmap_update_bits(intel_pmic_opregion->regmap,
366						 reg_address, mask, value);
367		} else {
368			pr_err("%s: Unexpected i2c-addr: 0x%02x (reg-addr 0x%x value 0x%x mask 0x%x)\n",
369			       __func__, i2c_address, reg_address, value, mask);
370			ret = -ENXIO;
371		}
372	} else {
373		pr_warn("%s: Not implemented\n", __func__);
374		pr_warn("%s: i2c-addr: 0x%x reg-addr 0x%x value 0x%x mask 0x%x\n",
375			__func__, i2c_address, reg_address, value, mask);
376		ret = -EOPNOTSUPP;
377	}
378
379	mutex_unlock(&intel_pmic_opregion->lock);
380
381	return ret;
382}
383EXPORT_SYMBOL_GPL(intel_soc_pmic_exec_mipi_pmic_seq_element);
v5.14.15
  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * intel_pmic.c - Intel PMIC operation region driver
  4 *
  5 * Copyright (C) 2014 Intel Corporation. All rights reserved.
  6 */
  7
  8#include <linux/export.h>
  9#include <linux/acpi.h>
 10#include <linux/mfd/intel_soc_pmic.h>
 11#include <linux/regmap.h>
 12#include <acpi/acpi_lpat.h>
 13#include "intel_pmic.h"
 14
 15#define PMIC_POWER_OPREGION_ID		0x8d
 16#define PMIC_THERMAL_OPREGION_ID	0x8c
 17#define PMIC_REGS_OPREGION_ID		0x8f
 18
 19struct intel_pmic_regs_handler_ctx {
 20	unsigned int val;
 21	u16 addr;
 22};
 23
 24struct intel_pmic_opregion {
 25	struct mutex lock;
 26	struct acpi_lpat_conversion_table *lpat_table;
 27	struct regmap *regmap;
 28	struct intel_pmic_opregion_data *data;
 29	struct intel_pmic_regs_handler_ctx ctx;
 30};
 31
 32static struct intel_pmic_opregion *intel_pmic_opregion;
 33
 34static int pmic_get_reg_bit(int address, struct pmic_table *table,
 35			    int count, int *reg, int *bit)
 36{
 37	int i;
 38
 39	for (i = 0; i < count; i++) {
 40		if (table[i].address == address) {
 41			*reg = table[i].reg;
 42			if (bit)
 43				*bit = table[i].bit;
 44			return 0;
 45		}
 46	}
 47	return -ENOENT;
 48}
 49
 50static acpi_status intel_pmic_power_handler(u32 function,
 51		acpi_physical_address address, u32 bits, u64 *value64,
 52		void *handler_context, void *region_context)
 53{
 54	struct intel_pmic_opregion *opregion = region_context;
 55	struct regmap *regmap = opregion->regmap;
 56	struct intel_pmic_opregion_data *d = opregion->data;
 57	int reg, bit, result;
 58
 59	if (bits != 32 || !value64)
 60		return AE_BAD_PARAMETER;
 61
 62	if (function == ACPI_WRITE && !(*value64 == 0 || *value64 == 1))
 63		return AE_BAD_PARAMETER;
 64
 65	result = pmic_get_reg_bit(address, d->power_table,
 66				  d->power_table_count, &reg, &bit);
 67	if (result == -ENOENT)
 68		return AE_BAD_PARAMETER;
 69
 70	mutex_lock(&opregion->lock);
 71
 72	result = function == ACPI_READ ?
 73		d->get_power(regmap, reg, bit, value64) :
 74		d->update_power(regmap, reg, bit, *value64 == 1);
 75
 76	mutex_unlock(&opregion->lock);
 77
 78	return result ? AE_ERROR : AE_OK;
 79}
 80
 81static int pmic_read_temp(struct intel_pmic_opregion *opregion,
 82			  int reg, u64 *value)
 83{
 84	int raw_temp, temp;
 85
 86	if (!opregion->data->get_raw_temp)
 87		return -ENXIO;
 88
 89	raw_temp = opregion->data->get_raw_temp(opregion->regmap, reg);
 90	if (raw_temp < 0)
 91		return raw_temp;
 92
 93	if (!opregion->lpat_table) {
 94		*value = raw_temp;
 95		return 0;
 96	}
 97
 98	temp = acpi_lpat_raw_to_temp(opregion->lpat_table, raw_temp);
 99	if (temp < 0)
100		return temp;
101
102	*value = temp;
103	return 0;
104}
105
106static int pmic_thermal_temp(struct intel_pmic_opregion *opregion, int reg,
107			     u32 function, u64 *value)
108{
109	return function == ACPI_READ ?
110		pmic_read_temp(opregion, reg, value) : -EINVAL;
111}
112
113static int pmic_thermal_aux(struct intel_pmic_opregion *opregion, int reg,
114			    u32 function, u64 *value)
115{
116	int raw_temp;
117
118	if (function == ACPI_READ)
119		return pmic_read_temp(opregion, reg, value);
120
121	if (!opregion->data->update_aux)
122		return -ENXIO;
123
124	if (opregion->lpat_table) {
125		raw_temp = acpi_lpat_temp_to_raw(opregion->lpat_table, *value);
126		if (raw_temp < 0)
127			return raw_temp;
128	} else {
129		raw_temp = *value;
130	}
131
132	return opregion->data->update_aux(opregion->regmap, reg, raw_temp);
133}
134
135static int pmic_thermal_pen(struct intel_pmic_opregion *opregion, int reg,
136			    int bit, u32 function, u64 *value)
137{
138	struct intel_pmic_opregion_data *d = opregion->data;
139	struct regmap *regmap = opregion->regmap;
140
141	if (!d->get_policy || !d->update_policy)
142		return -ENXIO;
143
144	if (function == ACPI_READ)
145		return d->get_policy(regmap, reg, bit, value);
146
147	if (*value != 0 && *value != 1)
148		return -EINVAL;
149
150	return d->update_policy(regmap, reg, bit, *value);
151}
152
153static bool pmic_thermal_is_temp(int address)
154{
155	return (address <= 0x3c) && !(address % 12);
156}
157
158static bool pmic_thermal_is_aux(int address)
159{
160	return (address >= 4 && address <= 0x40 && !((address - 4) % 12)) ||
161	       (address >= 8 && address <= 0x44 && !((address - 8) % 12));
162}
163
164static bool pmic_thermal_is_pen(int address)
165{
166	return address >= 0x48 && address <= 0x5c;
167}
168
169static acpi_status intel_pmic_thermal_handler(u32 function,
170		acpi_physical_address address, u32 bits, u64 *value64,
171		void *handler_context, void *region_context)
172{
173	struct intel_pmic_opregion *opregion = region_context;
174	struct intel_pmic_opregion_data *d = opregion->data;
175	int reg, bit, result;
176
177	if (bits != 32 || !value64)
178		return AE_BAD_PARAMETER;
179
180	result = pmic_get_reg_bit(address, d->thermal_table,
181				  d->thermal_table_count, &reg, &bit);
182	if (result == -ENOENT)
183		return AE_BAD_PARAMETER;
184
185	mutex_lock(&opregion->lock);
186
187	if (pmic_thermal_is_temp(address))
188		result = pmic_thermal_temp(opregion, reg, function, value64);
189	else if (pmic_thermal_is_aux(address))
190		result = pmic_thermal_aux(opregion, reg, function, value64);
191	else if (pmic_thermal_is_pen(address))
192		result = pmic_thermal_pen(opregion, reg, bit,
193						function, value64);
194	else
195		result = -EINVAL;
196
197	mutex_unlock(&opregion->lock);
198
199	if (result < 0) {
200		if (result == -EINVAL)
201			return AE_BAD_PARAMETER;
202		else
203			return AE_ERROR;
204	}
205
206	return AE_OK;
207}
208
209static acpi_status intel_pmic_regs_handler(u32 function,
210		acpi_physical_address address, u32 bits, u64 *value64,
211		void *handler_context, void *region_context)
212{
213	struct intel_pmic_opregion *opregion = region_context;
214	int result = 0;
215
216	switch (address) {
217	case 0:
218		return AE_OK;
219	case 1:
220		opregion->ctx.addr |= (*value64 & 0xff) << 8;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
221		return AE_OK;
222	case 2:
223		opregion->ctx.addr |= *value64 & 0xff;
224		return AE_OK;
225	case 3:
226		opregion->ctx.val = *value64 & 0xff;
227		return AE_OK;
228	case 4:
229		if (*value64) {
230			result = regmap_write(opregion->regmap, opregion->ctx.addr,
231					      opregion->ctx.val);
232		} else {
233			result = regmap_read(opregion->regmap, opregion->ctx.addr,
234					     &opregion->ctx.val);
235			if (result == 0)
236				*value64 = opregion->ctx.val;
237		}
238		memset(&opregion->ctx, 0x00, sizeof(opregion->ctx));
239	}
240
241	if (result < 0) {
242		if (result == -EINVAL)
243			return AE_BAD_PARAMETER;
244		else
245			return AE_ERROR;
246	}
247
248	return AE_OK;
249}
250
251int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
252					struct regmap *regmap,
253					struct intel_pmic_opregion_data *d)
254{
255	acpi_status status = AE_OK;
256	struct intel_pmic_opregion *opregion;
257	int ret;
258
259	if (!dev || !regmap || !d)
260		return -EINVAL;
261
262	if (!handle)
263		return -ENODEV;
264
265	opregion = devm_kzalloc(dev, sizeof(*opregion), GFP_KERNEL);
266	if (!opregion)
267		return -ENOMEM;
268
269	mutex_init(&opregion->lock);
270	opregion->regmap = regmap;
271	opregion->lpat_table = acpi_lpat_get_conversion_table(handle);
272
273	if (d->power_table_count)
274		status = acpi_install_address_space_handler(handle,
275						    PMIC_POWER_OPREGION_ID,
276						    intel_pmic_power_handler,
277						    NULL, opregion);
278	if (ACPI_FAILURE(status)) {
279		ret = -ENODEV;
280		goto out_error;
281	}
282
283	if (d->thermal_table_count)
284		status = acpi_install_address_space_handler(handle,
285						    PMIC_THERMAL_OPREGION_ID,
286						    intel_pmic_thermal_handler,
287						    NULL, opregion);
288	if (ACPI_FAILURE(status)) {
289		ret = -ENODEV;
290		goto out_remove_power_handler;
291	}
292
293	status = acpi_install_address_space_handler(handle,
294			PMIC_REGS_OPREGION_ID, intel_pmic_regs_handler, NULL,
295			opregion);
296	if (ACPI_FAILURE(status)) {
297		ret = -ENODEV;
298		goto out_remove_thermal_handler;
299	}
300
301	opregion->data = d;
302	intel_pmic_opregion = opregion;
303	return 0;
304
305out_remove_thermal_handler:
306	if (d->thermal_table_count)
307		acpi_remove_address_space_handler(handle,
308						  PMIC_THERMAL_OPREGION_ID,
309						  intel_pmic_thermal_handler);
310
311out_remove_power_handler:
312	if (d->power_table_count)
313		acpi_remove_address_space_handler(handle,
314						  PMIC_POWER_OPREGION_ID,
315						  intel_pmic_power_handler);
316
317out_error:
318	acpi_lpat_free_conversion_table(opregion->lpat_table);
319	return ret;
320}
321EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler);
322
323/**
324 * intel_soc_pmic_exec_mipi_pmic_seq_element - Execute PMIC MIPI sequence
325 * @i2c_address:  I2C client address for the PMIC
326 * @reg_address:  PMIC register address
327 * @value:        New value for the register bits to change
328 * @mask:         Mask indicating which register bits to change
329 *
330 * DSI LCD panels describe an initialization sequence in the i915 VBT (Video
331 * BIOS Tables) using so called MIPI sequences. One possible element in these
332 * sequences is a PMIC specific element of 15 bytes.
333 *
334 * This function executes these PMIC specific elements sending the embedded
335 * commands to the PMIC.
336 *
337 * Return 0 on success, < 0 on failure.
338 */
339int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address,
340					      u32 value, u32 mask)
341{
342	struct intel_pmic_opregion_data *d;
343	int ret;
344
345	if (!intel_pmic_opregion) {
346		pr_warn("%s: No PMIC registered\n", __func__);
347		return -ENXIO;
348	}
349
350	d = intel_pmic_opregion->data;
351
352	mutex_lock(&intel_pmic_opregion->lock);
353
354	if (d->exec_mipi_pmic_seq_element) {
355		ret = d->exec_mipi_pmic_seq_element(intel_pmic_opregion->regmap,
356						    i2c_address, reg_address,
357						    value, mask);
358	} else if (d->pmic_i2c_address) {
359		if (i2c_address == d->pmic_i2c_address) {
360			ret = regmap_update_bits(intel_pmic_opregion->regmap,
361						 reg_address, mask, value);
362		} else {
363			pr_err("%s: Unexpected i2c-addr: 0x%02x (reg-addr 0x%x value 0x%x mask 0x%x)\n",
364			       __func__, i2c_address, reg_address, value, mask);
365			ret = -ENXIO;
366		}
367	} else {
368		pr_warn("%s: Not implemented\n", __func__);
369		pr_warn("%s: i2c-addr: 0x%x reg-addr 0x%x value 0x%x mask 0x%x\n",
370			__func__, i2c_address, reg_address, value, mask);
371		ret = -EOPNOTSUPP;
372	}
373
374	mutex_unlock(&intel_pmic_opregion->lock);
375
376	return ret;
377}
378EXPORT_SYMBOL_GPL(intel_soc_pmic_exec_mipi_pmic_seq_element);