mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 10:00:53 +07:00
Revert "[media] mfd: Add chip properties handling code for SI476X MFD"
This reverts commit a118e9c122.
Requested-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
9af5cc54c2
commit
a9dc73e295
@ -1,242 +0,0 @@
|
||||
/*
|
||||
* drivers/mfd/si476x-prop.c -- Subroutines to access
|
||||
* properties of si476x chips
|
||||
*
|
||||
* Copyright (C) 2012 Innovative Converged Devices(ICD)
|
||||
* Copyright (C) 2013 Andrey Smirnov
|
||||
*
|
||||
* Author: Andrey Smirnov <andrew.smirnov@gmail.com>
|
||||
*
|
||||
* 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; version 2 of the License.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*/
|
||||
#include <linux/module.h>
|
||||
|
||||
#include <media/si476x.h>
|
||||
#include <linux/mfd/si476x-core.h>
|
||||
|
||||
struct si476x_property_range {
|
||||
u16 low, high;
|
||||
};
|
||||
|
||||
static bool si476x_core_element_is_in_array(u16 element,
|
||||
const u16 array[],
|
||||
size_t size)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < size; i++)
|
||||
if (element == array[i])
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool si476x_core_element_is_in_range(u16 element,
|
||||
const struct si476x_property_range range[],
|
||||
size_t size)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < size; i++)
|
||||
if (element <= range[i].high && element >= range[i].low)
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool si476x_core_is_valid_property_a10(struct si476x_core *core,
|
||||
u16 property)
|
||||
{
|
||||
static const u16 valid_properties[] = {
|
||||
0x0000,
|
||||
0x0500, 0x0501,
|
||||
0x0600,
|
||||
0x0709, 0x070C, 0x070D, 0x70E, 0x710,
|
||||
0x0718,
|
||||
0x1207, 0x1208,
|
||||
0x2007,
|
||||
0x2300,
|
||||
};
|
||||
|
||||
static const struct si476x_property_range valid_ranges[] = {
|
||||
{ 0x0200, 0x0203 },
|
||||
{ 0x0300, 0x0303 },
|
||||
{ 0x0400, 0x0404 },
|
||||
{ 0x0700, 0x0707 },
|
||||
{ 0x1100, 0x1102 },
|
||||
{ 0x1200, 0x1204 },
|
||||
{ 0x1300, 0x1306 },
|
||||
{ 0x2000, 0x2005 },
|
||||
{ 0x2100, 0x2104 },
|
||||
{ 0x2106, 0x2106 },
|
||||
{ 0x2200, 0x220E },
|
||||
{ 0x3100, 0x3104 },
|
||||
{ 0x3207, 0x320F },
|
||||
{ 0x3300, 0x3304 },
|
||||
{ 0x3500, 0x3517 },
|
||||
{ 0x3600, 0x3617 },
|
||||
{ 0x3700, 0x3717 },
|
||||
{ 0x4000, 0x4003 },
|
||||
};
|
||||
|
||||
return si476x_core_element_is_in_range(property, valid_ranges,
|
||||
ARRAY_SIZE(valid_ranges)) ||
|
||||
si476x_core_element_is_in_array(property, valid_properties,
|
||||
ARRAY_SIZE(valid_properties));
|
||||
}
|
||||
|
||||
static bool si476x_core_is_valid_property_a20(struct si476x_core *core,
|
||||
u16 property)
|
||||
{
|
||||
static const u16 valid_properties[] = {
|
||||
0x071B,
|
||||
0x1006,
|
||||
0x2210,
|
||||
0x3401,
|
||||
};
|
||||
|
||||
static const struct si476x_property_range valid_ranges[] = {
|
||||
{ 0x2215, 0x2219 },
|
||||
};
|
||||
|
||||
return si476x_core_is_valid_property_a10(core, property) ||
|
||||
si476x_core_element_is_in_range(property, valid_ranges,
|
||||
ARRAY_SIZE(valid_ranges)) ||
|
||||
si476x_core_element_is_in_array(property, valid_properties,
|
||||
ARRAY_SIZE(valid_properties));
|
||||
}
|
||||
|
||||
static bool si476x_core_is_valid_property_a30(struct si476x_core *core,
|
||||
u16 property)
|
||||
{
|
||||
static const u16 valid_properties[] = {
|
||||
0x071C, 0x071D,
|
||||
0x1007, 0x1008,
|
||||
0x220F, 0x2214,
|
||||
0x2301,
|
||||
0x3105, 0x3106,
|
||||
0x3402,
|
||||
};
|
||||
|
||||
static const struct si476x_property_range valid_ranges[] = {
|
||||
{ 0x0405, 0x0411 },
|
||||
{ 0x2008, 0x200B },
|
||||
{ 0x2220, 0x2223 },
|
||||
{ 0x3100, 0x3106 },
|
||||
};
|
||||
|
||||
return si476x_core_is_valid_property_a20(core, property) ||
|
||||
si476x_core_element_is_in_range(property, valid_ranges,
|
||||
ARRAY_SIZE(valid_ranges)) ||
|
||||
si476x_core_element_is_in_array(property, valid_properties,
|
||||
ARRAY_SIZE(valid_properties));
|
||||
}
|
||||
|
||||
typedef bool (*valid_property_pred_t) (struct si476x_core *, u16);
|
||||
|
||||
static bool si476x_core_is_valid_property(struct si476x_core *core,
|
||||
u16 property)
|
||||
{
|
||||
static const valid_property_pred_t is_valid_property[] = {
|
||||
[SI476X_REVISION_A10] = si476x_core_is_valid_property_a10,
|
||||
[SI476X_REVISION_A20] = si476x_core_is_valid_property_a20,
|
||||
[SI476X_REVISION_A30] = si476x_core_is_valid_property_a30,
|
||||
};
|
||||
|
||||
BUG_ON(core->revision > SI476X_REVISION_A30 ||
|
||||
core->revision == -1);
|
||||
return is_valid_property[core->revision](core, property);
|
||||
}
|
||||
|
||||
|
||||
static bool si476x_core_is_readonly_property(struct si476x_core *core,
|
||||
u16 property)
|
||||
{
|
||||
BUG_ON(core->revision > SI476X_REVISION_A30 ||
|
||||
core->revision == -1);
|
||||
|
||||
switch (core->revision) {
|
||||
case SI476X_REVISION_A10:
|
||||
return (property == 0x3200);
|
||||
case SI476X_REVISION_A20:
|
||||
return (property == 0x1006 ||
|
||||
property == 0x2210 ||
|
||||
property == 0x3200);
|
||||
case SI476X_REVISION_A30:
|
||||
return false;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool si476x_core_regmap_readable_register(struct device *dev,
|
||||
unsigned int reg)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct si476x_core *core = i2c_get_clientdata(client);
|
||||
|
||||
return si476x_core_is_valid_property(core, (u16) reg);
|
||||
|
||||
}
|
||||
|
||||
static bool si476x_core_regmap_writable_register(struct device *dev,
|
||||
unsigned int reg)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct si476x_core *core = i2c_get_clientdata(client);
|
||||
|
||||
return si476x_core_is_valid_property(core, (u16) reg) &&
|
||||
!si476x_core_is_readonly_property(core, (u16) reg);
|
||||
}
|
||||
|
||||
|
||||
static int si476x_core_regmap_write(void *context, unsigned int reg,
|
||||
unsigned int val)
|
||||
{
|
||||
return si476x_core_cmd_set_property(context, reg, val);
|
||||
}
|
||||
|
||||
static int si476x_core_regmap_read(void *context, unsigned int reg,
|
||||
unsigned *val)
|
||||
{
|
||||
struct si476x_core *core = context;
|
||||
int err;
|
||||
|
||||
err = si476x_core_cmd_get_property(core, reg);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
*val = err;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static const struct regmap_config si476x_regmap_config = {
|
||||
.reg_bits = 16,
|
||||
.val_bits = 16,
|
||||
|
||||
.max_register = 0x4003,
|
||||
|
||||
.writeable_reg = si476x_core_regmap_writable_register,
|
||||
.readable_reg = si476x_core_regmap_readable_register,
|
||||
|
||||
.reg_read = si476x_core_regmap_read,
|
||||
.reg_write = si476x_core_regmap_write,
|
||||
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
};
|
||||
|
||||
struct regmap *devm_regmap_init_si476x(struct si476x_core *core)
|
||||
{
|
||||
return devm_regmap_init(&core->client->dev, NULL,
|
||||
core, &si476x_regmap_config);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(devm_regmap_init_si476x);
|
||||
Loading…
Reference in New Issue
Block a user