drivers/thermal/ti-soc-thermal/dra752-bandgap.h

Source file repositories/reference/linux-study-clean/drivers/thermal/ti-soc-thermal/dra752-bandgap.h

File Facts

System
Linux kernel
Corpus path
drivers/thermal/ti-soc-thermal/dra752-bandgap.h
Extension
.h
Size
6095 bytes
Lines
180
Domain
Driver Families
Bucket
drivers/thermal
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __DRA752_BANDGAP_H
#define __DRA752_BANDGAP_H

/**
 * *** DRA752 ***
 *
 * Below, in sequence, are the Register definitions,
 * the bitfields and the temperature definitions for DRA752.
 */

/**
 * DRA752 register definitions
 *
 * Registers are defined as offsets. The offsets are
 * relative to FUSE_OPP_BGAP_GPU on DRA752.
 * DRA752_BANDGAP_BASE		0x4a0021e0
 *
 * Register below are grouped by domain (not necessarily in offset order)
 */


/* DRA752.common register offsets */
#define DRA752_BANDGAP_CTRL_1_OFFSET		0x1a0
#define DRA752_BANDGAP_STATUS_1_OFFSET		0x1c8
#define DRA752_BANDGAP_CTRL_2_OFFSET		0x39c
#define DRA752_BANDGAP_STATUS_2_OFFSET		0x3b8

/* DRA752.core register offsets */
#define DRA752_STD_FUSE_OPP_BGAP_CORE_OFFSET		0x8
#define DRA752_TEMP_SENSOR_CORE_OFFSET			0x154
#define DRA752_BANDGAP_THRESHOLD_CORE_OFFSET		0x1ac
#define DRA752_DTEMP_CORE_1_OFFSET			0x20c
#define DRA752_DTEMP_CORE_2_OFFSET			0x210

/* DRA752.iva register offsets */
#define DRA752_STD_FUSE_OPP_BGAP_IVA_OFFSET		0x388
#define DRA752_TEMP_SENSOR_IVA_OFFSET			0x398
#define DRA752_BANDGAP_THRESHOLD_IVA_OFFSET		0x3a4
#define DRA752_DTEMP_IVA_1_OFFSET			0x3d4
#define DRA752_DTEMP_IVA_2_OFFSET			0x3d8

/* DRA752.mpu register offsets */
#define DRA752_STD_FUSE_OPP_BGAP_MPU_OFFSET		0x4
#define DRA752_TEMP_SENSOR_MPU_OFFSET			0x14c
#define DRA752_BANDGAP_THRESHOLD_MPU_OFFSET		0x1a4
#define DRA752_DTEMP_MPU_1_OFFSET			0x1e4
#define DRA752_DTEMP_MPU_2_OFFSET			0x1e8

/* DRA752.dspeve register offsets */
#define DRA752_STD_FUSE_OPP_BGAP_DSPEVE_OFFSET			0x384
#define DRA752_TEMP_SENSOR_DSPEVE_OFFSET			0x394
#define DRA752_BANDGAP_THRESHOLD_DSPEVE_OFFSET			0x3a0
#define DRA752_DTEMP_DSPEVE_1_OFFSET				0x3c0
#define DRA752_DTEMP_DSPEVE_2_OFFSET				0x3c4

/* DRA752.gpu register offsets */
#define DRA752_STD_FUSE_OPP_BGAP_GPU_OFFSET		0x0
#define DRA752_TEMP_SENSOR_GPU_OFFSET			0x150
#define DRA752_BANDGAP_THRESHOLD_GPU_OFFSET		0x1a8
#define DRA752_DTEMP_GPU_1_OFFSET			0x1f8
#define DRA752_DTEMP_GPU_2_OFFSET			0x1fc

/**
 * Register bitfields for DRA752
 *
 * All the macros below define the required bits for
 * controlling temperature on DRA752. Bit defines are
 * grouped by register.
 */

/* DRA752.BANDGAP_STATUS_1 */
#define DRA752_BANDGAP_STATUS_1_HOT_CORE_MASK		BIT(5)
#define DRA752_BANDGAP_STATUS_1_COLD_CORE_MASK		BIT(4)
#define DRA752_BANDGAP_STATUS_1_HOT_GPU_MASK		BIT(3)
#define DRA752_BANDGAP_STATUS_1_COLD_GPU_MASK		BIT(2)
#define DRA752_BANDGAP_STATUS_1_HOT_MPU_MASK		BIT(1)
#define DRA752_BANDGAP_STATUS_1_COLD_MPU_MASK		BIT(0)

/* DRA752.BANDGAP_CTRL_2 */
#define DRA752_BANDGAP_CTRL_2_FREEZE_IVA_MASK			BIT(22)
#define DRA752_BANDGAP_CTRL_2_FREEZE_DSPEVE_MASK		BIT(21)
#define DRA752_BANDGAP_CTRL_2_MASK_HOT_IVA_MASK			BIT(3)
#define DRA752_BANDGAP_CTRL_2_MASK_COLD_IVA_MASK		BIT(2)
#define DRA752_BANDGAP_CTRL_2_MASK_HOT_DSPEVE_MASK		BIT(1)
#define DRA752_BANDGAP_CTRL_2_MASK_COLD_DSPEVE_MASK		BIT(0)

/* DRA752.BANDGAP_STATUS_2 */
#define DRA752_BANDGAP_STATUS_2_HOT_IVA_MASK			BIT(3)
#define DRA752_BANDGAP_STATUS_2_COLD_IVA_MASK			BIT(2)
#define DRA752_BANDGAP_STATUS_2_HOT_DSPEVE_MASK			BIT(1)

Annotation

Implementation Notes