diff options
Diffstat (limited to 'drivers/platform/x86/intel/int3472/common.h')
| -rw-r--r-- | drivers/platform/x86/intel/int3472/common.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h new file mode 100644 index 0000000000..9f29baa138 --- /dev/null +++ b/drivers/platform/x86/intel/int3472/common.h @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Author: Dan Scally <djrscally@gmail.com> */ + +#ifndef _INTEL_SKL_INT3472_H +#define _INTEL_SKL_INT3472_H + +#include <linux/clk-provider.h> +#include <linux/gpio/machine.h> +#include <linux/leds.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/types.h> + +/* FIXME drop this once the I2C_DEV_NAME_FORMAT macro has been added to include/linux/i2c.h */ +#ifndef I2C_DEV_NAME_FORMAT +#define I2C_DEV_NAME_FORMAT "i2c-%s" +#endif + +/* PMIC GPIO Types */ +#define INT3472_GPIO_TYPE_RESET 0x00 +#define INT3472_GPIO_TYPE_POWERDOWN 0x01 +#define INT3472_GPIO_TYPE_POWER_ENABLE 0x0b +#define INT3472_GPIO_TYPE_CLK_ENABLE 0x0c +#define INT3472_GPIO_TYPE_PRIVACY_LED 0x0d + +#define INT3472_PDEV_MAX_NAME_LEN 23 +#define INT3472_MAX_SENSOR_GPIOS 3 + +#define GPIO_REGULATOR_NAME_LENGTH 21 +#define GPIO_REGULATOR_SUPPLY_NAME_LENGTH 9 +#define GPIO_REGULATOR_SUPPLY_MAP_COUNT 2 + +#define INT3472_LED_MAX_NAME_LEN 32 + +#define CIO2_SENSOR_SSDB_MCLKSPEED_OFFSET 86 + +#define INT3472_REGULATOR(_name, _supply, _ops) \ + (const struct regulator_desc) { \ + .name = _name, \ + .supply_name = _supply, \ + .type = REGULATOR_VOLTAGE, \ + .ops = _ops, \ + .owner = THIS_MODULE, \ + } + +#define to_int3472_clk(hw) \ + container_of(hw, struct int3472_clock, clk_hw) + +#define to_int3472_device(clk) \ + container_of(clk, struct int3472_discrete_device, clock) + +struct acpi_device; +struct i2c_client; +struct platform_device; + +struct int3472_cldb { + u8 version; + /* + * control logic type + * 0: UNKNOWN + * 1: DISCRETE(CRD-D) + * 2: PMIC TPS68470 + * 3: PMIC uP6641 + */ + u8 control_logic_type; + u8 control_logic_id; + u8 sensor_card_sku; + u8 reserved[10]; + u8 clock_source; + u8 reserved2[17]; +}; + +struct int3472_discrete_device { + struct acpi_device *adev; + struct device *dev; + struct acpi_device *sensor; + const char *sensor_name; + + const struct int3472_sensor_config *sensor_config; + + struct int3472_gpio_regulator { + /* SUPPLY_MAP_COUNT * 2 to make room for second sensor mappings */ + struct regulator_consumer_supply supply_map[GPIO_REGULATOR_SUPPLY_MAP_COUNT * 2]; + char regulator_name[GPIO_REGULATOR_NAME_LENGTH]; + char supply_name[GPIO_REGULATOR_SUPPLY_NAME_LENGTH]; + struct gpio_desc *gpio; + struct regulator_dev *rdev; + struct regulator_desc rdesc; + } regulator; + + struct int3472_clock { + struct clk *clk; + struct clk_hw clk_hw; + struct clk_lookup *cl; + struct gpio_desc *ena_gpio; + u32 frequency; + u8 imgclk_index; + } clock; + + struct int3472_pled { + struct led_classdev classdev; + struct led_lookup_data lookup; + char name[INT3472_LED_MAX_NAME_LEN]; + struct gpio_desc *gpio; + } pled; + + unsigned int ngpios; /* how many GPIOs have we seen */ + unsigned int n_sensor_gpios; /* how many have we mapped to sensor */ + struct gpiod_lookup_table gpios; +}; + +union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev, + char *id); +int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb); +int skl_int3472_get_sensor_adev_and_name(struct device *dev, + struct acpi_device **sensor_adev_ret, + const char **name_ret); + +int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, u32 polarity); +int skl_int3472_register_dsm_clock(struct int3472_discrete_device *int3472); +void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); + +int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio); +void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472); + +int skl_int3472_register_pled(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, u32 polarity); +void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472); + +#endif |