drivers/platform/x86/intel/int3472/intel_skl_int3472_common.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Author: Dan Scally <[email protected]> */
   3
   4 #ifndef _INTEL_SKL_INT3472_H
   5 #define _INTEL_SKL_INT3472_H
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/gpio/machine.h>
   9 #include <linux/regulator/driver.h>
  10 #include <linux/regulator/machine.h>
  11 #include <linux/types.h>
  12
  13 /* FIXME drop this once the I2C_DEV_NAME_FORMAT macro has been added to include/linux/i2c.h */
  14 #ifndef I2C_DEV_NAME_FORMAT
  15 #define I2C_DEV_NAME_FORMAT                                     "i2c-%s"
  16 #endif
  17
  18 /* PMIC GPIO Types */
  19 #define INT3472_GPIO_TYPE_RESET                                 0x00
  20 #define INT3472_GPIO_TYPE_POWERDOWN                             0x01
  21 #define INT3472_GPIO_TYPE_POWER_ENABLE                          0x0b
  22 #define INT3472_GPIO_TYPE_CLK_ENABLE                            0x0c
  23 #define INT3472_GPIO_TYPE_PRIVACY_LED                           0x0d
  24
  25 #define INT3472_PDEV_MAX_NAME_LEN                               23
  26 #define INT3472_MAX_SENSOR_GPIOS                                3
  27
  28 #define GPIO_REGULATOR_NAME_LENGTH                              21
  29 #define GPIO_REGULATOR_SUPPLY_NAME_LENGTH                       9
  30
  31 #define CIO2_SENSOR_SSDB_MCLKSPEED_OFFSET                       86
  32
  33 #define INT3472_REGULATOR(_name, _supply, _ops)                 \
  34         (const struct regulator_desc) {                         \
  35                 .name = _name,                                  \
  36                 .supply_name = _supply,                         \
  37                 .type = REGULATOR_VOLTAGE,                      \
  38                 .ops = _ops,                                    \
  39                 .owner = THIS_MODULE,                           \
  40         }
  41
  42 #define to_int3472_clk(hw)                                      \
  43         container_of(hw, struct int3472_gpio_clock, clk_hw)
  44
  45 #define to_int3472_device(clk)                                  \
  46         container_of(clk, struct int3472_discrete_device, clock)
  47
  48 struct acpi_device;
  49 struct i2c_client;
  50 struct platform_device;
  51
  52 struct int3472_cldb {
  53         u8 version;
  54         /*
  55          * control logic type
  56          * 0: UNKNOWN
  57          * 1: DISCRETE(CRD-D)
  58          * 2: PMIC TPS68470
  59          * 3: PMIC uP6641
  60          */
  61         u8 control_logic_type;
  62         u8 control_logic_id;
  63         u8 sensor_card_sku;
  64         u8 reserved[28];
  65 };
  66
  67 struct int3472_gpio_function_remap {
  68         const char *documented;
  69         const char *actual;
  70 };
  71
  72 struct int3472_sensor_config {
  73         const char *sensor_module_name;
  74         struct regulator_consumer_supply supply_map;
  75         const struct int3472_gpio_function_remap *function_maps;
  76 };
  77
  78 struct int3472_discrete_device {
  79         struct acpi_device *adev;
  80         struct device *dev;
  81         struct acpi_device *sensor;
  82         const char *sensor_name;
  83
  84         const struct int3472_sensor_config *sensor_config;
  85
  86         struct int3472_gpio_regulator {
  87                 char regulator_name[GPIO_REGULATOR_NAME_LENGTH];
  88                 char supply_name[GPIO_REGULATOR_SUPPLY_NAME_LENGTH];
  89                 struct gpio_desc *gpio;
  90                 struct regulator_dev *rdev;
  91                 struct regulator_desc rdesc;
  92         } regulator;
  93
  94         struct int3472_gpio_clock {
  95                 struct clk *clk;
  96                 struct clk_hw clk_hw;
  97                 struct clk_lookup *cl;
  98                 struct gpio_desc *ena_gpio;
  99                 struct gpio_desc *led_gpio;
 100                 u32 frequency;
 101         } clock;
 102
 103         unsigned int ngpios; /* how many GPIOs have we seen */
 104         unsigned int n_sensor_gpios; /* how many have we mapped to sensor */
 105         struct gpiod_lookup_table gpios;
 106 };
 107
 108 int skl_int3472_discrete_probe(struct platform_device *pdev);
 109 int skl_int3472_discrete_remove(struct platform_device *pdev);
 110 int skl_int3472_tps68470_probe(struct i2c_client *client);
 111 union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev,
 112                                                char *id);
 113 int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb);
 114
 115 int skl_int3472_register_clock(struct int3472_discrete_device *int3472);
 116 void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472);
 117
 118 int skl_int3472_register_regulator(struct int3472_discrete_device *int3472,
 119                                    struct acpi_resource_gpio *agpio);
 120 void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472);
 121
 122 #endif