drivers/platform/x86/intel/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/leds.h>
  10 #include <linux/regulator/driver.h>
  11 #include <linux/regulator/machine.h>
  12 #include <linux/types.h>
  13
  14 /* FIXME drop this once the I2C_DEV_NAME_FORMAT macro has been added to include/linux/i2c.h */
  15 #ifndef I2C_DEV_NAME_FORMAT
  16 #define I2C_DEV_NAME_FORMAT                                     "i2c-%s"
  17 #endif
  18
  19 /* PMIC GPIO Types */
  20 #define INT3472_GPIO_TYPE_RESET                                 0x00
  21 #define INT3472_GPIO_TYPE_POWERDOWN                             0x01
  22 #define INT3472_GPIO_TYPE_POWER_ENABLE                          0x0b
  23 #define INT3472_GPIO_TYPE_CLK_ENABLE                            0x0c
  24 #define INT3472_GPIO_TYPE_PRIVACY_LED                           0x0d
  25
  26 #define INT3472_PDEV_MAX_NAME_LEN                               23
  27 #define INT3472_MAX_SENSOR_GPIOS                                3
  28
  29 #define GPIO_REGULATOR_NAME_LENGTH                              21
  30 #define GPIO_REGULATOR_SUPPLY_NAME_LENGTH                       9
  31 #define GPIO_REGULATOR_SUPPLY_MAP_COUNT                         2
  32
  33 #define INT3472_LED_MAX_NAME_LEN                                32
  34
  35 #define CIO2_SENSOR_SSDB_MCLKSPEED_OFFSET                       86
  36
  37 #define INT3472_REGULATOR(_name, _supply, _ops)                 \
  38         (const struct regulator_desc) {                         \
  39                 .name = _name,                                  \
  40                 .supply_name = _supply,                         \
  41                 .type = REGULATOR_VOLTAGE,                      \
  42                 .ops = _ops,                                    \
  43                 .owner = THIS_MODULE,                           \
  44         }
  45
  46 #define to_int3472_clk(hw)                                      \
  47         container_of(hw, struct int3472_clock, clk_hw)
  48
  49 #define to_int3472_device(clk)                                  \
  50         container_of(clk, struct int3472_discrete_device, clock)
  51
  52 struct acpi_device;
  53 struct i2c_client;
  54 struct platform_device;
  55
  56 struct int3472_cldb {
  57         u8 version;
  58         /*
  59          * control logic type
  60          * 0: UNKNOWN
  61          * 1: DISCRETE(CRD-D)
  62          * 2: PMIC TPS68470
  63          * 3: PMIC uP6641
  64          */
  65         u8 control_logic_type;
  66         u8 control_logic_id;
  67         u8 sensor_card_sku;
  68         u8 reserved[10];
  69         u8 clock_source;
  70         u8 reserved2[17];
  71 };
  72
  73 struct int3472_discrete_device {
  74         struct acpi_device *adev;
  75         struct device *dev;
  76         struct acpi_device *sensor;
  77         const char *sensor_name;
  78
  79         const struct int3472_sensor_config *sensor_config;
  80
  81         struct int3472_gpio_regulator {
  82                 /* SUPPLY_MAP_COUNT * 2 to make room for second sensor mappings */
  83                 struct regulator_consumer_supply supply_map[GPIO_REGULATOR_SUPPLY_MAP_COUNT * 2];
  84                 char regulator_name[GPIO_REGULATOR_NAME_LENGTH];
  85                 char supply_name[GPIO_REGULATOR_SUPPLY_NAME_LENGTH];
  86                 struct gpio_desc *gpio;
  87                 struct regulator_dev *rdev;
  88                 struct regulator_desc rdesc;
  89         } regulator;
  90
  91         struct int3472_clock {
  92                 struct clk *clk;
  93                 struct clk_hw clk_hw;
  94                 struct clk_lookup *cl;
  95                 struct gpio_desc *ena_gpio;
  96                 u32 frequency;
  97                 u8 imgclk_index;
  98         } clock;
  99
 100         struct int3472_pled {
 101                 struct led_classdev classdev;
 102                 struct led_lookup_data lookup;
 103                 char name[INT3472_LED_MAX_NAME_LEN];
 104                 struct gpio_desc *gpio;
 105         } pled;
 106
 107         unsigned int ngpios; /* how many GPIOs have we seen */
 108         unsigned int n_sensor_gpios; /* how many have we mapped to sensor */
 109         struct gpiod_lookup_table gpios;
 110 };
 111
 112 union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev,
 113                                                char *id);
 114 int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb);
 115 int skl_int3472_get_sensor_adev_and_name(struct device *dev,
 116                                          struct acpi_device **sensor_adev_ret,
 117                                          const char **name_ret);
 118
 119 int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472,
 120                                     struct gpio_desc *gpio);
 121 int skl_int3472_register_dsm_clock(struct int3472_discrete_device *int3472);
 122 void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472);
 123
 124 int skl_int3472_register_regulator(struct int3472_discrete_device *int3472,
 125                                    struct gpio_desc *gpio);
 126 void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472);
 127
 128 int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio);
 129 void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472);
 130
 131 #endif