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platform/x86: ideapad-laptop: move ACPI helpers from header to source file

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Since moving ymc_trigger_ec from lenovo-ymc to ideapad-laptop, only the
latter uses these definitions and functions.

Move them back to source file.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/57a48d2582b567f6c6fbcd3b379e17aee0fb5a94.1721898747.git.soyer@irl.hu
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Gergo Koteles 2024-07-25 11:21:09 +02:00 committed by Hans de Goede
parent d945085a7e
commit 6c1fa8edfe
2 changed files with 136 additions and 139 deletions
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136
drivers/platform/x86/ideapad-laptop.c
View File

@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/module.h>
@ -86,6 +87,34 @@ enum {
SALS_FNLOCK_OFF = 0xf,
};
enum {
VPCCMD_R_VPC1 = 0x10,
VPCCMD_R_BL_MAX,
VPCCMD_R_BL,
VPCCMD_W_BL,
VPCCMD_R_WIFI,
VPCCMD_W_WIFI,
VPCCMD_R_BT,
VPCCMD_W_BT,
VPCCMD_R_BL_POWER,
VPCCMD_R_NOVO,
VPCCMD_R_VPC2,
VPCCMD_R_TOUCHPAD,
VPCCMD_W_TOUCHPAD,
VPCCMD_R_CAMERA,
VPCCMD_W_CAMERA,
VPCCMD_R_3G,
VPCCMD_W_3G,
VPCCMD_R_ODD, /* 0x21 */
VPCCMD_W_FAN,
VPCCMD_R_RF,
VPCCMD_W_RF,
VPCCMD_W_YMC = 0x2A,
VPCCMD_R_FAN = 0x2B,
VPCCMD_R_SPECIAL_BUTTONS = 0x31,
VPCCMD_W_BL_POWER = 0x33,
};
/*
* These correspond to the number of supported states - 1
* Future keyboard types may need a new system, if there's a collision
@ -236,6 +265,7 @@ static void ideapad_shared_exit(struct ideapad_private *priv)
/*
* ACPI Helpers
*/
#define IDEAPAD_EC_TIMEOUT 200 /* in ms */
static int eval_int(acpi_handle handle, const char *name, unsigned long *res)
{
@ -251,6 +281,29 @@ static int eval_int(acpi_handle handle, const char *name, unsigned long *res)
return 0;
}
static int eval_int_with_arg(acpi_handle handle, const char *name, unsigned long arg,
unsigned long *res)
{
struct acpi_object_list params;
unsigned long long result;
union acpi_object in_obj;
acpi_status status;
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
in_obj.integer.value = arg;
status = acpi_evaluate_integer(handle, (char *)name, &params, &result);
if (ACPI_FAILURE(status))
return -EIO;
if (res)
*res = result;
return 0;
}
static int exec_simple_method(acpi_handle handle, const char *name, unsigned long arg)
{
acpi_status status = acpi_execute_simple_method(handle, (char *)name, arg);
@ -293,6 +346,89 @@ static int eval_dytc(acpi_handle handle, unsigned long cmd, unsigned long *res)
return eval_int_with_arg(handle, "DYTC", cmd, res);
}
static int eval_vpcr(acpi_handle handle, unsigned long cmd, unsigned long *res)
{
return eval_int_with_arg(handle, "VPCR", cmd, res);
}
static int eval_vpcw(acpi_handle handle, unsigned long cmd, unsigned long data)
{
struct acpi_object_list params;
union acpi_object in_obj[2];
acpi_status status;
params.count = 2;
params.pointer = in_obj;
in_obj[0].type = ACPI_TYPE_INTEGER;
in_obj[0].integer.value = cmd;
in_obj[1].type = ACPI_TYPE_INTEGER;
in_obj[1].integer.value = data;
status = acpi_evaluate_object(handle, "VPCW", &params, NULL);
if (ACPI_FAILURE(status))
return -EIO;
return 0;
}
static int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *data)
{
unsigned long end_jiffies, val;
int err;
err = eval_vpcw(handle, 1, cmd);
if (err)
return err;
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
schedule();
err = eval_vpcr(handle, 1, &val);
if (err)
return err;
if (val == 0)
return eval_vpcr(handle, 0, data);
}
acpi_handle_err(handle, "timeout in %s\n", __func__);
return -ETIMEDOUT;
}
static int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long data)
{
unsigned long end_jiffies, val;
int err;
err = eval_vpcw(handle, 0, data);
if (err)
return err;
err = eval_vpcw(handle, 1, cmd);
if (err)
return err;
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
schedule();
err = eval_vpcr(handle, 1, &val);
if (err)
return err;
if (val == 0)
return 0;
}
acpi_handle_err(handle, "timeout in %s\n", __func__);
return -ETIMEDOUT;
}
/*
* debugfs
*/

139
drivers/platform/x86/ideapad-laptop.h
View File

@ -9,9 +9,6 @@
#ifndef _IDEAPAD_LAPTOP_H_
#define _IDEAPAD_LAPTOP_H_
#include <linux/acpi.h>
#include <linux/jiffies.h>
#include <linux/errno.h>
#include <linux/notifier.h>
enum ideapad_laptop_notifier_actions {
@ -22,140 +19,4 @@ int ideapad_laptop_register_notifier(struct notifier_block *nb);
int ideapad_laptop_unregister_notifier(struct notifier_block *nb);
void ideapad_laptop_call_notifier(unsigned long action, void *data);
enum {
VPCCMD_R_VPC1 = 0x10,
VPCCMD_R_BL_MAX,
VPCCMD_R_BL,
VPCCMD_W_BL,
VPCCMD_R_WIFI,
VPCCMD_W_WIFI,
VPCCMD_R_BT,
VPCCMD_W_BT,
VPCCMD_R_BL_POWER,
VPCCMD_R_NOVO,
VPCCMD_R_VPC2,
VPCCMD_R_TOUCHPAD,
VPCCMD_W_TOUCHPAD,
VPCCMD_R_CAMERA,
VPCCMD_W_CAMERA,
VPCCMD_R_3G,
VPCCMD_W_3G,
VPCCMD_R_ODD, /* 0x21 */
VPCCMD_W_FAN,
VPCCMD_R_RF,
VPCCMD_W_RF,
VPCCMD_W_YMC = 0x2A,
VPCCMD_R_FAN = 0x2B,
VPCCMD_R_SPECIAL_BUTTONS = 0x31,
VPCCMD_W_BL_POWER = 0x33,
};
static inline int eval_int_with_arg(acpi_handle handle, const char *name, unsigned long arg, unsigned long *res)
{
struct acpi_object_list params;
unsigned long long result;
union acpi_object in_obj;
acpi_status status;
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
in_obj.integer.value = arg;
status = acpi_evaluate_integer(handle, (char *)name, &params, &result);
if (ACPI_FAILURE(status))
return -EIO;
if (res)
*res = result;
return 0;
}
static inline int eval_vpcr(acpi_handle handle, unsigned long cmd, unsigned long *res)
{
return eval_int_with_arg(handle, "VPCR", cmd, res);
}
static inline int eval_vpcw(acpi_handle handle, unsigned long cmd, unsigned long data)
{
struct acpi_object_list params;
union acpi_object in_obj[2];
acpi_status status;
params.count = 2;
params.pointer = in_obj;
in_obj[0].type = ACPI_TYPE_INTEGER;
in_obj[0].integer.value = cmd;
in_obj[1].type = ACPI_TYPE_INTEGER;
in_obj[1].integer.value = data;
status = acpi_evaluate_object(handle, "VPCW", &params, NULL);
if (ACPI_FAILURE(status))
return -EIO;
return 0;
}
#define IDEAPAD_EC_TIMEOUT 200 /* in ms */
static inline int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *data)
{
unsigned long end_jiffies, val;
int err;
err = eval_vpcw(handle, 1, cmd);
if (err)
return err;
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
schedule();
err = eval_vpcr(handle, 1, &val);
if (err)
return err;
if (val == 0)
return eval_vpcr(handle, 0, data);
}
acpi_handle_err(handle, "timeout in %s\n", __func__);
return -ETIMEDOUT;
}
static inline int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long data)
{
unsigned long end_jiffies, val;
int err;
err = eval_vpcw(handle, 0, data);
if (err)
return err;
err = eval_vpcw(handle, 1, cmd);
if (err)
return err;
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
schedule();
err = eval_vpcr(handle, 1, &val);
if (err)
return err;
if (val == 0)
return 0;
}
acpi_handle_err(handle, "timeout in %s\n", __func__);
return -ETIMEDOUT;
}
#undef IDEAPAD_EC_TIMEOUT
#endif /* !_IDEAPAD_LAPTOP_H_ */