drivers/net/ipa/reg/gsi_reg-v4.0.c

Source file repositories/reference/linux-study-clean/drivers/net/ipa/reg/gsi_reg-v4.0.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ipa/reg/gsi_reg-v4.0.c
Extension
.c
Size
9980 bytes
Lines
311
Domain
Driver Families
Bucket
drivers/net
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

// SPDX-License-Identifier: GPL-2.0

/* Copyright (C) 2023-2024 Linaro Ltd. */

#include <linux/array_size.h>
#include <linux/bits.h>
#include <linux/types.h>

#include "../gsi_reg.h"
#include "../ipa_version.h"
#include "../reg.h"

REG(INTER_EE_SRC_CH_IRQ_MSK, inter_ee_src_ch_irq_msk,
    0x0000c020 + 0x1000 * GSI_EE_AP);

REG(INTER_EE_SRC_EV_CH_IRQ_MSK, inter_ee_src_ev_ch_irq_msk,
    0x0000c024 + 0x1000 * GSI_EE_AP);

static const u32 reg_ch_c_cntxt_0_fmask[] = {
	[CHTYPE_PROTOCOL]				= GENMASK(2, 0),
	[CHTYPE_DIR]					= BIT(3),
	[CH_EE]						= GENMASK(7, 4),
	[CHID]						= GENMASK(12, 8),
						/* Bit 13 reserved */
	[ERINDEX]					= GENMASK(18, 14),
						/* Bit 19 reserved */
	[CHSTATE]					= GENMASK(23, 20),
	[ELEMENT_SIZE]					= GENMASK(31, 24),
};

REG_STRIDE_FIELDS(CH_C_CNTXT_0, ch_c_cntxt_0,
		  0x0001c000 + 0x4000 * GSI_EE_AP, 0x80);

static const u32 reg_ch_c_cntxt_1_fmask[] = {
	[CH_R_LENGTH]					= GENMASK(15, 0),
						/* Bits 16-31 reserved */
};

REG_STRIDE_FIELDS(CH_C_CNTXT_1, ch_c_cntxt_1,
		  0x0001c004 + 0x4000 * GSI_EE_AP, 0x80);

REG_STRIDE(CH_C_CNTXT_2, ch_c_cntxt_2, 0x0001c008 + 0x4000 * GSI_EE_AP, 0x80);

REG_STRIDE(CH_C_CNTXT_3, ch_c_cntxt_3, 0x0001c00c + 0x4000 * GSI_EE_AP, 0x80);

static const u32 reg_ch_c_qos_fmask[] = {
	[WRR_WEIGHT]					= GENMASK(3, 0),
						/* Bits 4-7 reserved */
	[MAX_PREFETCH]					= BIT(8),
	[USE_DB_ENG]					= BIT(9),
	[USE_ESCAPE_BUF_ONLY]				= BIT(10),
						/* Bits 11-31 reserved */
};

REG_STRIDE_FIELDS(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80);

static const u32 reg_error_log_fmask[] = {
	[ERR_ARG3]					= GENMASK(3, 0),
	[ERR_ARG2]					= GENMASK(7, 4),
	[ERR_ARG1]					= GENMASK(11, 8),
	[ERR_CODE]					= GENMASK(15, 12),
						/* Bits 16-18 reserved */
	[ERR_VIRT_IDX]					= GENMASK(23, 19),
	[ERR_TYPE]					= GENMASK(27, 24),
	[ERR_EE]					= GENMASK(31, 28),
};

REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0,
	   0x0001c060 + 0x4000 * GSI_EE_AP, 0x80);

REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1,
	   0x0001c064 + 0x4000 * GSI_EE_AP, 0x80);

REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2,
	   0x0001c068 + 0x4000 * GSI_EE_AP, 0x80);

REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3,
	   0x0001c06c + 0x4000 * GSI_EE_AP, 0x80);

static const u32 reg_ev_ch_e_cntxt_0_fmask[] = {
	[EV_CHTYPE]					= GENMASK(3, 0),
	[EV_EE]						= GENMASK(7, 4),
	[EV_EVCHID]					= GENMASK(15, 8),
	[EV_INTYPE]					= BIT(16),
						/* Bits 17-19 reserved */
	[EV_CHSTATE]					= GENMASK(23, 20),
	[EV_ELEMENT_SIZE]				= GENMASK(31, 24),
};

REG_STRIDE_FIELDS(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,

Annotation

Implementation Notes