1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Author: Dan Scally <djrscally@gmail.com> */ 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 32 #define INT3472_LED_MAX_NAME_LEN 32 33 34 #define CIO2_SENSOR_SSDB_MCLKSPEED_OFFSET 86 35 36 #define INT3472_REGULATOR(_name, _supply, _ops) \ 37 (const struct regulator_desc) { \ 38 .name = _name, \ 39 .supply_name = _supply, \ 40 .type = REGULATOR_VOLTAGE, \ 41 .ops = _ops, \ 42 .owner = THIS_MODULE, \ 43 } 44 45 #define to_int3472_clk(hw) \ 46 container_of(hw, struct int3472_gpio_clock, clk_hw) 47 48 #define to_int3472_device(clk) \ 49 container_of(clk, struct int3472_discrete_device, clock) 50 51 struct acpi_device; 52 struct i2c_client; 53 struct platform_device; 54 55 struct int3472_cldb { 56 u8 version; 57 /* 58 * control logic type 59 * 0: UNKNOWN 60 * 1: DISCRETE(CRD-D) 61 * 2: PMIC TPS68470 62 * 3: PMIC uP6641 63 */ 64 u8 control_logic_type; 65 u8 control_logic_id; 66 u8 sensor_card_sku; 67 u8 reserved[28]; 68 }; 69 70 struct int3472_gpio_function_remap { 71 const char *documented; 72 const char *actual; 73 }; 74 75 struct int3472_sensor_config { 76 const char *sensor_module_name; 77 struct regulator_consumer_supply supply_map; 78 const struct int3472_gpio_function_remap *function_maps; 79 }; 80 81 struct int3472_discrete_device { 82 struct acpi_device *adev; 83 struct device *dev; 84 struct acpi_device *sensor; 85 const char *sensor_name; 86 87 const struct int3472_sensor_config *sensor_config; 88 89 struct int3472_gpio_regulator { 90 char regulator_name[GPIO_REGULATOR_NAME_LENGTH]; 91 char supply_name[GPIO_REGULATOR_SUPPLY_NAME_LENGTH]; 92 struct gpio_desc *gpio; 93 struct regulator_dev *rdev; 94 struct regulator_desc rdesc; 95 } regulator; 96 97 struct int3472_gpio_clock { 98 struct clk *clk; 99 struct clk_hw clk_hw; 100 struct clk_lookup *cl; 101 struct gpio_desc *ena_gpio; 102 u32 frequency; 103 } clock; 104 105 struct int3472_pled { 106 struct led_classdev classdev; 107 struct led_lookup_data lookup; 108 char name[INT3472_LED_MAX_NAME_LEN]; 109 struct gpio_desc *gpio; 110 } pled; 111 112 unsigned int ngpios; /* how many GPIOs have we seen */ 113 unsigned int n_sensor_gpios; /* how many have we mapped to sensor */ 114 struct gpiod_lookup_table gpios; 115 }; 116 117 union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev, 118 char *id); 119 int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb); 120 int skl_int3472_get_sensor_adev_and_name(struct device *dev, 121 struct acpi_device **sensor_adev_ret, 122 const char **name_ret); 123 124 int skl_int3472_register_clock(struct int3472_discrete_device *int3472, 125 struct acpi_resource_gpio *agpio, u32 polarity); 126 void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); 127 128 int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, 129 struct acpi_resource_gpio *agpio); 130 void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472); 131 132 int skl_int3472_register_pled(struct int3472_discrete_device *int3472, 133 struct acpi_resource_gpio *agpio, u32 polarity); 134 void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472); 135 136 #endif 137