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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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a76e712a5a
Remove interrupt handling for unused interrupt status(PLL update and Sleep). The firmware only initiates the interrupt for the data transfer to host and rest are not used anymore. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Link: https://lore.kernel.org/r/20190910074514.3073-1-ajay.kathat@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
304 lines
9.8 KiB
C
304 lines
9.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
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* All rights reserved.
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*/
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#ifndef WILC_WLAN_H
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#define WILC_WLAN_H
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#include <linux/types.h>
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/********************************************
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*
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* Mac eth header length
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*
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********************************************/
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#define MAX_MAC_HDR_LEN 26 /* QOS_MAC_HDR_LEN */
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#define SUB_MSDU_HEADER_LENGTH 14
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#define SNAP_HDR_LEN 8
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#define ETHERNET_HDR_LEN 14
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#define WORD_ALIGNMENT_PAD 0
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#define ETH_ETHERNET_HDR_OFFSET (MAX_MAC_HDR_LEN + \
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SUB_MSDU_HEADER_LENGTH + \
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SNAP_HDR_LEN - \
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ETHERNET_HDR_LEN + \
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WORD_ALIGNMENT_PAD)
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#define HOST_HDR_OFFSET 4
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#define ETHERNET_HDR_LEN 14
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#define IP_HDR_LEN 20
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#define IP_HDR_OFFSET ETHERNET_HDR_LEN
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#define UDP_HDR_OFFSET (IP_HDR_LEN + IP_HDR_OFFSET)
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#define UDP_HDR_LEN 8
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#define UDP_DATA_OFFSET (UDP_HDR_OFFSET + UDP_HDR_LEN)
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#define ETH_CONFIG_PKT_HDR_LEN UDP_DATA_OFFSET
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#define ETH_CONFIG_PKT_HDR_OFFSET (ETH_ETHERNET_HDR_OFFSET + \
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ETH_CONFIG_PKT_HDR_LEN)
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/********************************************
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*
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* Register Defines
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*
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********************************************/
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#define WILC_PERIPH_REG_BASE 0x1000
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#define WILC_CHANGING_VIR_IF 0x108c
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#define WILC_CHIPID WILC_PERIPH_REG_BASE
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#define WILC_GLB_RESET_0 (WILC_PERIPH_REG_BASE + 0x400)
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#define WILC_PIN_MUX_0 (WILC_PERIPH_REG_BASE + 0x408)
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#define WILC_HOST_TX_CTRL (WILC_PERIPH_REG_BASE + 0x6c)
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#define WILC_HOST_RX_CTRL_0 (WILC_PERIPH_REG_BASE + 0x70)
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#define WILC_HOST_RX_CTRL_1 (WILC_PERIPH_REG_BASE + 0x74)
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#define WILC_HOST_VMM_CTL (WILC_PERIPH_REG_BASE + 0x78)
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#define WILC_HOST_RX_CTRL (WILC_PERIPH_REG_BASE + 0x80)
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#define WILC_HOST_RX_EXTRA_SIZE (WILC_PERIPH_REG_BASE + 0x84)
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#define WILC_HOST_TX_CTRL_1 (WILC_PERIPH_REG_BASE + 0x88)
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#define WILC_MISC (WILC_PERIPH_REG_BASE + 0x428)
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#define WILC_INTR_REG_BASE (WILC_PERIPH_REG_BASE + 0xa00)
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#define WILC_INTR_ENABLE WILC_INTR_REG_BASE
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#define WILC_INTR2_ENABLE (WILC_INTR_REG_BASE + 4)
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#define WILC_INTR_POLARITY (WILC_INTR_REG_BASE + 0x10)
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#define WILC_INTR_TYPE (WILC_INTR_REG_BASE + 0x20)
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#define WILC_INTR_CLEAR (WILC_INTR_REG_BASE + 0x30)
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#define WILC_INTR_STATUS (WILC_INTR_REG_BASE + 0x40)
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#define WILC_VMM_TBL_SIZE 64
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#define WILC_VMM_TX_TBL_BASE 0x150400
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#define WILC_VMM_RX_TBL_BASE 0x150500
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#define WILC_VMM_BASE 0x150000
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#define WILC_VMM_CORE_CTL WILC_VMM_BASE
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#define WILC_VMM_TBL_CTL (WILC_VMM_BASE + 0x4)
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#define WILC_VMM_TBL_ENTRY (WILC_VMM_BASE + 0x8)
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#define WILC_VMM_TBL0_SIZE (WILC_VMM_BASE + 0xc)
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#define WILC_VMM_TO_HOST_SIZE (WILC_VMM_BASE + 0x10)
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#define WILC_VMM_CORE_CFG (WILC_VMM_BASE + 0x14)
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#define WILC_VMM_TBL_ACTIVE (WILC_VMM_BASE + 040)
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#define WILC_VMM_TBL_STATUS (WILC_VMM_BASE + 0x44)
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#define WILC_SPI_REG_BASE 0xe800
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#define WILC_SPI_CTL WILC_SPI_REG_BASE
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#define WILC_SPI_MASTER_DMA_ADDR (WILC_SPI_REG_BASE + 0x4)
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#define WILC_SPI_MASTER_DMA_COUNT (WILC_SPI_REG_BASE + 0x8)
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#define WILC_SPI_SLAVE_DMA_ADDR (WILC_SPI_REG_BASE + 0xc)
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#define WILC_SPI_SLAVE_DMA_COUNT (WILC_SPI_REG_BASE + 0x10)
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#define WILC_SPI_TX_MODE (WILC_SPI_REG_BASE + 0x20)
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#define WILC_SPI_PROTOCOL_CONFIG (WILC_SPI_REG_BASE + 0x24)
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#define WILC_SPI_INTR_CTL (WILC_SPI_REG_BASE + 0x2c)
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#define WILC_SPI_PROTOCOL_OFFSET (WILC_SPI_PROTOCOL_CONFIG - \
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WILC_SPI_REG_BASE)
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#define WILC_AHB_DATA_MEM_BASE 0x30000
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#define WILC_AHB_SHARE_MEM_BASE 0xd0000
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#define WILC_VMM_TBL_RX_SHADOW_BASE WILC_AHB_SHARE_MEM_BASE
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#define WILC_VMM_TBL_RX_SHADOW_SIZE 256
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#define WILC_FW_HOST_COMM 0x13c0
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#define WILC_GP_REG_0 0x149c
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#define WILC_GP_REG_1 0x14a0
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#define WILC_HAVE_SDIO_IRQ_GPIO BIT(0)
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#define WILC_HAVE_USE_PMU BIT(1)
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#define WILC_HAVE_SLEEP_CLK_SRC_RTC BIT(2)
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#define WILC_HAVE_SLEEP_CLK_SRC_XO BIT(3)
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#define WILC_HAVE_EXT_PA_INV_TX_RX BIT(4)
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#define WILC_HAVE_LEGACY_RF_SETTINGS BIT(5)
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#define WILC_HAVE_XTAL_24 BIT(6)
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#define WILC_HAVE_DISABLE_WILC_UART BIT(7)
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#define WILC_HAVE_USE_IRQ_AS_HOST_WAKE BIT(8)
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/********************************************
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*
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* Wlan Defines
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*
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********************************************/
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#define WILC_CFG_PKT 1
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#define WILC_NET_PKT 0
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#define WILC_MGMT_PKT 2
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#define WILC_CFG_SET 1
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#define WILC_CFG_QUERY 0
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#define WILC_CFG_RSP 1
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#define WILC_CFG_RSP_STATUS 2
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#define WILC_CFG_RSP_SCAN 3
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#define WILC_ABORT_REQ_BIT BIT(31)
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#define WILC_RX_BUFF_SIZE (96 * 1024)
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#define WILC_TX_BUFF_SIZE (64 * 1024)
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#define MODALIAS "WILC_SPI"
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#define GPIO_NUM 0x44
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/*******************************************/
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/* E0 and later Interrupt flags. */
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/*******************************************/
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/*******************************************/
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/* E0 and later Interrupt flags. */
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/* IRQ Status word */
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/* 15:0 = DMA count in words. */
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/* 16: INT0 flag */
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/* 17: INT1 flag */
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/* 18: INT2 flag */
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/* 19: INT3 flag */
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/* 20: INT4 flag */
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/* 21: INT5 flag */
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/*******************************************/
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#define IRG_FLAGS_OFFSET 16
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#define IRQ_DMA_WD_CNT_MASK ((1ul << IRG_FLAGS_OFFSET) - 1)
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#define INT_0 BIT(IRG_FLAGS_OFFSET)
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#define INT_1 BIT(IRG_FLAGS_OFFSET + 1)
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#define INT_2 BIT(IRG_FLAGS_OFFSET + 2)
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#define INT_3 BIT(IRG_FLAGS_OFFSET + 3)
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#define INT_4 BIT(IRG_FLAGS_OFFSET + 4)
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#define INT_5 BIT(IRG_FLAGS_OFFSET + 5)
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#define MAX_NUM_INT 6
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/*******************************************/
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/* E0 and later Interrupt flags. */
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/* IRQ Clear word */
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/* 0: Clear INT0 */
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/* 1: Clear INT1 */
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/* 2: Clear INT2 */
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/* 3: Clear INT3 */
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/* 4: Clear INT4 */
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/* 5: Clear INT5 */
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/* 6: Select VMM table 1 */
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/* 7: Select VMM table 2 */
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/* 8: Enable VMM */
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/*******************************************/
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#define CLR_INT0 BIT(0)
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#define CLR_INT1 BIT(1)
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#define CLR_INT2 BIT(2)
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#define CLR_INT3 BIT(3)
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#define CLR_INT4 BIT(4)
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#define CLR_INT5 BIT(5)
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#define SEL_VMM_TBL0 BIT(6)
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#define SEL_VMM_TBL1 BIT(7)
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#define EN_VMM BIT(8)
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#define DATA_INT_EXT INT_0
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#define ALL_INT_EXT DATA_INT_EXT
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#define NUM_INT_EXT 1
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#define DATA_INT_CLR CLR_INT0
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#define ENABLE_RX_VMM (SEL_VMM_TBL1 | EN_VMM)
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#define ENABLE_TX_VMM (SEL_VMM_TBL0 | EN_VMM)
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/*time for expiring the completion of cfg packets*/
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#define WILC_CFG_PKTS_TIMEOUT msecs_to_jiffies(2000)
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#define IS_MANAGMEMENT 0x100
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#define IS_MANAGMEMENT_CALLBACK 0x080
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#define IS_MGMT_STATUS_SUCCES 0x040
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/********************************************
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*
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* Tx/Rx Queue Structure
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*
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********************************************/
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struct txq_entry_t {
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struct list_head list;
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int type;
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int ack_idx;
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u8 *buffer;
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int buffer_size;
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void *priv;
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int status;
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struct wilc_vif *vif;
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void (*tx_complete_func)(void *priv, int status);
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};
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struct rxq_entry_t {
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struct list_head list;
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u8 *buffer;
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int buffer_size;
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};
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/********************************************
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*
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* Host IF Structure
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*
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********************************************/
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struct wilc;
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struct wilc_hif_func {
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int (*hif_init)(struct wilc *wilc, bool resume);
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int (*hif_deinit)(struct wilc *wilc);
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int (*hif_read_reg)(struct wilc *wilc, u32 addr, u32 *data);
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int (*hif_write_reg)(struct wilc *wilc, u32 addr, u32 data);
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int (*hif_block_rx)(struct wilc *wilc, u32 addr, u8 *buf, u32 size);
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int (*hif_block_tx)(struct wilc *wilc, u32 addr, u8 *buf, u32 size);
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int (*hif_read_int)(struct wilc *wilc, u32 *int_status);
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int (*hif_clear_int_ext)(struct wilc *wilc, u32 val);
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int (*hif_read_size)(struct wilc *wilc, u32 *size);
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int (*hif_block_tx_ext)(struct wilc *wilc, u32 addr, u8 *buf, u32 size);
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int (*hif_block_rx_ext)(struct wilc *wilc, u32 addr, u8 *buf, u32 size);
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int (*hif_sync_ext)(struct wilc *wilc, int nint);
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int (*enable_interrupt)(struct wilc *nic);
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void (*disable_interrupt)(struct wilc *nic);
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};
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#define WILC_MAX_CFG_FRAME_SIZE 1468
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struct tx_complete_data {
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int size;
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void *buff;
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struct sk_buff *skb;
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};
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struct wilc_cfg_cmd_hdr {
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u8 cmd_type;
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u8 seq_no;
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__le16 total_len;
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__le32 driver_handler;
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};
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struct wilc_cfg_frame {
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struct wilc_cfg_cmd_hdr hdr;
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u8 frame[WILC_MAX_CFG_FRAME_SIZE];
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};
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struct wilc_cfg_rsp {
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u8 type;
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u8 seq_no;
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};
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struct wilc;
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struct wilc_vif;
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int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer,
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u32 buffer_size);
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int wilc_wlan_start(struct wilc *wilc);
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int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif);
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int wilc_wlan_txq_add_net_pkt(struct net_device *dev, void *priv, u8 *buffer,
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u32 buffer_size,
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void (*tx_complete_fn)(void *, int));
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int wilc_wlan_handle_txq(struct wilc *wl, u32 *txq_count);
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void wilc_handle_isr(struct wilc *wilc);
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void wilc_wlan_cleanup(struct net_device *dev);
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int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
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u32 buffer_size, int commit, u32 drv_handler);
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int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
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u32 drv_handler);
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int wilc_wlan_txq_add_mgmt_pkt(struct net_device *dev, void *priv, u8 *buffer,
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u32 buffer_size, void (*func)(void *, int));
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void wilc_enable_tcp_ack_filter(struct wilc_vif *vif, bool value);
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int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc);
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netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *dev);
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void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size);
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void host_wakeup_notify(struct wilc *wilc);
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void host_sleep_notify(struct wilc *wilc);
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void chip_allow_sleep(struct wilc *wilc);
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void chip_wakeup(struct wilc *wilc);
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int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids,
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u32 count);
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int wilc_wlan_init(struct net_device *dev);
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u32 wilc_get_chipid(struct wilc *wilc, bool update);
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#endif
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