449 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			449 lines
		
	
	
		
			14 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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| 
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| #ifndef WILC_WLAN_H
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| #define WILC_WLAN_H
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| 
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| #include <linux/types.h>
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| #include <linux/bitfield.h>
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| 
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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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| 
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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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| 
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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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| 
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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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|  *
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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_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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| 
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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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| 
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| #define WILC_RF_REVISION_ID		0x13f4
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| 
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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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| 
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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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| 
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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_INT_STATUS		(WILC_SPI_REG_BASE + 0x40)
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| #define WILC_SPI_INT_CLEAR		(WILC_SPI_REG_BASE + 0x44)
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| 
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| #define WILC_SPI_WAKEUP_REG		0x1
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| #define WILC_SPI_WAKEUP_BIT		BIT(1)
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| 
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| #define WILC_SPI_CLK_STATUS_REG        0x0f
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| #define WILC_SPI_CLK_STATUS_BIT        BIT(2)
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| #define WILC_SPI_HOST_TO_FW_REG		0x0b
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| #define WILC_SPI_HOST_TO_FW_BIT		BIT(0)
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| 
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| #define WILC_SPI_FW_TO_HOST_REG		0x10
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| #define WILC_SPI_FW_TO_HOST_BIT		BIT(0)
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| 
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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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| 
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| #define WILC_SPI_CLOCKLESS_ADDR_LIMIT	0x30
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| 
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| /* Functions IO enables bits */
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| #define WILC_SDIO_CCCR_IO_EN_FUNC1	BIT(1)
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| 
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| /* Function/Interrupt enables bits */
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| #define WILC_SDIO_CCCR_IEN_MASTER	BIT(0)
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| #define WILC_SDIO_CCCR_IEN_FUNC1	BIT(1)
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| 
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| /* Abort CCCR register bits */
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| #define WILC_SDIO_CCCR_ABORT_RESET	BIT(3)
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| 
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| /* Vendor specific CCCR registers */
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| #define WILC_SDIO_WAKEUP_REG		0xf0
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| #define WILC_SDIO_WAKEUP_BIT		BIT(0)
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| 
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| #define WILC_SDIO_CLK_STATUS_REG	0xf1
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| #define WILC_SDIO_CLK_STATUS_BIT	BIT(0)
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| 
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| #define WILC_SDIO_INTERRUPT_DATA_SZ_REG	0xf2 /* Read size (2 bytes) */
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| 
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| #define WILC_SDIO_VMM_TBL_CTRL_REG	0xf6
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| #define WILC_SDIO_IRQ_FLAG_REG		0xf7
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| #define WILC_SDIO_IRQ_CLEAR_FLAG_REG	0xf8
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| 
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| #define WILC_SDIO_HOST_TO_FW_REG	0xfa
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| #define WILC_SDIO_HOST_TO_FW_BIT	BIT(0)
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| 
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| #define WILC_SDIO_FW_TO_HOST_REG	0xfc
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| #define WILC_SDIO_FW_TO_HOST_BIT	BIT(0)
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| 
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| /* Function 1 specific FBR register */
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| #define WILC_SDIO_FBR_CSA_REG		0x10C /* CSA pointer (3 bytes) */
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| #define WILC_SDIO_FBR_DATA_REG		0x10F
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| 
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| #define WILC_SDIO_F1_DATA_REG		0x0
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| #define WILC_SDIO_EXT_IRQ_FLAG_REG	0x4
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| 
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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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| 
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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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| 
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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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| 
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| #define GLOBAL_MODE_CONTROL		0x1614
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| #define PWR_SEQ_MISC_CTRL		0x3008
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| 
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| #define WILC_GLOBAL_MODE_ENABLE_WIFI	BIT(0)
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| #define WILC_PWR_SEQ_ENABLE_WIFI_SLEEP	BIT(28)
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| 
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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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| #define WILC_CORTUS_INTERRUPT_BASE	0x10A8
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| #define WILC_CORTUS_INTERRUPT_1		(WILC_CORTUS_INTERRUPT_BASE + 0x4)
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| #define WILC_CORTUS_INTERRUPT_2		(WILC_CORTUS_INTERRUPT_BASE + 0x8)
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| 
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| /* tx control register 1 to 4 for RX */
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| #define WILC_REG_4_TO_1_RX		0x1e1c
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| 
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| /* tx control register 1 to 4 for TX Bank_0 */
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| #define WILC_REG_4_TO_1_TX_BANK0	0x1e9c
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| 
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| #define WILC_CORTUS_RESET_MUX_SEL	0x1118
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| #define WILC_CORTUS_BOOT_REGISTER	0xc0000
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| 
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| #define WILC_CORTUS_BOOT_FROM_IRAM	0x71
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| 
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| #define WILC_1000_BASE_ID		0x100000
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| 
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| #define WILC_1000_BASE_ID_2A		0x1002A0
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| #define WILC_1000_BASE_ID_2A_REV1	(WILC_1000_BASE_ID_2A + 1)
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| 
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| #define WILC_1000_BASE_ID_2B		0x1002B0
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| #define WILC_1000_BASE_ID_2B_REV1	(WILC_1000_BASE_ID_2B + 1)
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| #define WILC_1000_BASE_ID_2B_REV2	(WILC_1000_BASE_ID_2B + 2)
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| 
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| #define WILC_CHIP_REV_FIELD		GENMASK(11, 0)
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| 
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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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| 
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| #define WILC_CFG_SET		1
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| #define WILC_CFG_QUERY		0
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| 
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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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| 
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| #define WILC_ABORT_REQ_BIT		BIT(31)
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| 
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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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| 
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| #define NQUEUES			4
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| #define AC_BUFFER_SIZE		1000
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| 
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| #define VO_AC_COUNT_FIELD		GENMASK(31, 25)
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| #define VO_AC_ACM_STAT_FIELD		BIT(24)
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| #define VI_AC_COUNT_FIELD		GENMASK(23, 17)
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| #define VI_AC_ACM_STAT_FIELD		BIT(16)
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| #define BE_AC_COUNT_FIELD		GENMASK(15, 9)
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| #define BE_AC_ACM_STAT_FIELD		BIT(8)
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| #define BK_AC_COUNT_FIELD		GENMASK(7, 3)
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| #define BK_AC_ACM_STAT_FIELD		BIT(1)
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| 
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| #define WILC_PKT_HDR_CONFIG_FIELD	BIT(31)
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| #define WILC_PKT_HDR_OFFSET_FIELD	GENMASK(30, 22)
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| #define WILC_PKT_HDR_TOTAL_LEN_FIELD	GENMASK(21, 11)
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| #define WILC_PKT_HDR_LEN_FIELD		GENMASK(10, 0)
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| 
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| #define WILC_INTERRUPT_DATA_SIZE	GENMASK(14, 0)
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| 
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| #define WILC_VMM_BUFFER_SIZE		GENMASK(9, 0)
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| 
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| #define WILC_VMM_HDR_TYPE		BIT(31)
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| #define WILC_VMM_HDR_MGMT_FIELD		BIT(30)
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| #define WILC_VMM_HDR_PKT_SIZE		GENMASK(29, 15)
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| #define WILC_VMM_HDR_BUFF_SIZE		GENMASK(14, 0)
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| 
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| #define WILC_VMM_ENTRY_COUNT		GENMASK(8, 3)
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| #define WILC_VMM_ENTRY_AVAILABLE	BIT(2)
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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	GENMASK(IRG_FLAGS_OFFSET - 1, 0)
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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		5
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| #define IRG_FLAGS_MASK		GENMASK(IRG_FLAGS_OFFSET + MAX_NUM_INT, \
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| 					IRG_FLAGS_OFFSET)
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| 
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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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| 
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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 UNHANDLED_IRQ_MASK	GENMASK(MAX_NUM_INT - 1, NUM_INT_EXT)
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| 
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| #define DATA_INT_CLR		CLR_INT0
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| 
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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(3000)
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| 
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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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| #define IS_MGMT_AUTH_PKT       0x010
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| 
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| #define WILC_WID_TYPE		GENMASK(15, 12)
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| #define WILC_VMM_ENTRY_FULL_RETRY	1
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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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| enum ip_pkt_priority {
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| 	AC_VO_Q = 0,
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| 	AC_VI_Q = 1,
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| 	AC_BE_Q = 2,
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| 	AC_BK_Q = 3
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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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| 	u8 q_num;
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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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| 
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| struct txq_fw_recv_queue_stat {
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| 	u8 acm;
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| 	u8 count;
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| };
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| 
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| struct txq_handle {
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| 	struct txq_entry_t txq_head;
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| 	u16 count;
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| 	struct txq_fw_recv_queue_stat fw;
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| };
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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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|  *
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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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| 	int (*hif_reset)(struct wilc *wilc);
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| 	bool (*hif_is_init)(struct wilc *wilc);
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| };
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| 
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| #define WILC_MAX_CFG_FRAME_SIZE		1468
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| 
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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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| 
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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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| 
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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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| 
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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_vif;
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| 
 | |
| static inline bool is_wilc1000(u32 id)
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| {
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| 	return (id & (~WILC_CHIP_REV_FIELD)) == WILC_1000_BASE_ID;
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| }
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| 
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| int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer,
 | |
| 				u32 buffer_size);
 | |
| int wilc_wlan_start(struct wilc *wilc);
 | |
| int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif);
 | |
| int wilc_wlan_txq_add_net_pkt(struct net_device *dev,
 | |
| 			      struct tx_complete_data *tx_data, u8 *buffer,
 | |
| 			      u32 buffer_size,
 | |
| 			      void (*tx_complete_fn)(void *, int));
 | |
| int wilc_wlan_handle_txq(struct wilc *wl, u32 *txq_count);
 | |
| void wilc_handle_isr(struct wilc *wilc);
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| void wilc_wlan_cleanup(struct net_device *dev);
 | |
| 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);
 | |
| int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
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| 		      u32 drv_handler);
 | |
| int wilc_wlan_txq_add_mgmt_pkt(struct net_device *dev, void *priv, u8 *buffer,
 | |
| 			       u32 buffer_size, void (*func)(void *, int));
 | |
| void wilc_enable_tcp_ack_filter(struct wilc_vif *vif, bool value);
 | |
| int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc);
 | |
| netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *dev);
 | |
| 
 | |
| void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size);
 | |
| bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size);
 | |
| void host_wakeup_notify(struct wilc *wilc);
 | |
| void host_sleep_notify(struct wilc *wilc);
 | |
| void chip_allow_sleep(struct wilc *wilc);
 | |
| void chip_wakeup(struct wilc *wilc);
 | |
| int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids,
 | |
| 			 u32 count);
 | |
| int wilc_wlan_init(struct net_device *dev);
 | |
| u32 wilc_get_chipid(struct wilc *wilc, bool update);
 | |
| int wilc_load_mac_from_nv(struct wilc *wilc);
 | |
| #endif
 |