diff options
Diffstat (limited to 'drivers/tty/serial/max3107.h')
| -rw-r--r-- | drivers/tty/serial/max3107.h | 441 | 
1 files changed, 0 insertions, 441 deletions
diff --git a/drivers/tty/serial/max3107.h b/drivers/tty/serial/max3107.h deleted file mode 100644 index 8415fc723b9..00000000000 --- a/drivers/tty/serial/max3107.h +++ /dev/null @@ -1,441 +0,0 @@ -/* - * max3107.h - spi uart protocol driver header for Maxim 3107 - * - * Copyright (C) Aavamobile 2009 - * Based on serial_max3100.h by Christian Pellegrin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef _MAX3107_H -#define _MAX3107_H - -/* Serial error status definitions */ -#define MAX3107_PARITY_ERROR	1 -#define MAX3107_FRAME_ERROR	2 -#define MAX3107_OVERRUN_ERROR	4 -#define MAX3107_ALL_ERRORS	(MAX3107_PARITY_ERROR | \ -				 MAX3107_FRAME_ERROR | \ -				 MAX3107_OVERRUN_ERROR) - -/* GPIO definitions */ -#define MAX3107_GPIO_BASE	88 -#define MAX3107_GPIO_COUNT	4 - - -/* GPIO connected to chip's reset pin */ -#define MAX3107_RESET_GPIO	87 - - -/* Chip reset delay */ -#define MAX3107_RESET_DELAY	10 - -/* Chip wakeup delay */ -#define MAX3107_WAKEUP_DELAY	50 - - -/* Sleep mode definitions */ -#define MAX3107_DISABLE_FORCED_SLEEP	0 -#define MAX3107_ENABLE_FORCED_SLEEP	1 -#define MAX3107_DISABLE_AUTOSLEEP	2 -#define MAX3107_ENABLE_AUTOSLEEP	3 - - -/* Definitions for register access with SPI transfers - * - * SPI transfer format: - * - * Master to slave bits xzzzzzzzyyyyyyyy - * Slave to master bits aaaaaaaabbbbbbbb - * - * where: - * x = 0 for reads, 1 for writes - * z = register address - * y = new register value if write, 0 if read - * a = unspecified - * b = register value if read, unspecified if write - */ - -/* SPI speed */ -#define MAX3107_SPI_SPEED	(3125000 * 2) - -/* Write bit */ -#define MAX3107_WRITE_BIT	(1 << 15) - -/* SPI TX data mask */ -#define MAX3107_SPI_RX_DATA_MASK	(0x00ff) - -/* SPI RX data mask */ -#define MAX3107_SPI_TX_DATA_MASK	(0x00ff) - -/* Register access masks */ -#define MAX3107_RHR_REG			(0x0000) /* RX FIFO */ -#define MAX3107_THR_REG			(0x0000) /* TX FIFO */ -#define MAX3107_IRQEN_REG		(0x0100) /* IRQ enable */ -#define MAX3107_IRQSTS_REG		(0x0200) /* IRQ status */ -#define MAX3107_LSR_IRQEN_REG		(0x0300) /* LSR IRQ enable */ -#define MAX3107_LSR_IRQSTS_REG		(0x0400) /* LSR IRQ status */ -#define MAX3107_SPCHR_IRQEN_REG		(0x0500) /* Special char IRQ enable */ -#define MAX3107_SPCHR_IRQSTS_REG	(0x0600) /* Special char IRQ status */ -#define MAX3107_STS_IRQEN_REG		(0x0700) /* Status IRQ enable */ -#define MAX3107_STS_IRQSTS_REG		(0x0800) /* Status IRQ status */ -#define MAX3107_MODE1_REG		(0x0900) /* MODE1 */ -#define MAX3107_MODE2_REG		(0x0a00) /* MODE2 */ -#define MAX3107_LCR_REG			(0x0b00) /* LCR */ -#define MAX3107_RXTO_REG		(0x0c00) /* RX timeout */ -#define MAX3107_HDPIXDELAY_REG		(0x0d00) /* Auto transceiver delays */ -#define MAX3107_IRDA_REG		(0x0e00) /* IRDA settings */ -#define MAX3107_FLOWLVL_REG		(0x0f00) /* Flow control levels */ -#define MAX3107_FIFOTRIGLVL_REG		(0x1000) /* FIFO IRQ trigger levels */ -#define MAX3107_TXFIFOLVL_REG		(0x1100) /* TX FIFO level */ -#define MAX3107_RXFIFOLVL_REG		(0x1200) /* RX FIFO level */ -#define MAX3107_FLOWCTRL_REG		(0x1300) /* Flow control */ -#define MAX3107_XON1_REG		(0x1400) /* XON1 character */ -#define MAX3107_XON2_REG		(0x1500) /* XON2 character */ -#define MAX3107_XOFF1_REG		(0x1600) /* XOFF1 character */ -#define MAX3107_XOFF2_REG		(0x1700) /* XOFF2 character */ -#define MAX3107_GPIOCFG_REG		(0x1800) /* GPIO config */ -#define MAX3107_GPIODATA_REG		(0x1900) /* GPIO data */ -#define MAX3107_PLLCFG_REG		(0x1a00) /* PLL config */ -#define MAX3107_BRGCFG_REG		(0x1b00) /* Baud rate generator conf */ -#define MAX3107_BRGDIVLSB_REG		(0x1c00) /* Baud rate divisor LSB */ -#define MAX3107_BRGDIVMSB_REG		(0x1d00) /* Baud rate divisor MSB */ -#define MAX3107_CLKSRC_REG		(0x1e00) /* Clock source */ -#define MAX3107_REVID_REG		(0x1f00) /* Revision identification */ - -/* IRQ register bits */ -#define MAX3107_IRQ_LSR_BIT	(1 << 0) /* LSR interrupt */ -#define MAX3107_IRQ_SPCHR_BIT	(1 << 1) /* Special char interrupt */ -#define MAX3107_IRQ_STS_BIT	(1 << 2) /* Status interrupt */ -#define MAX3107_IRQ_RXFIFO_BIT	(1 << 3) /* RX FIFO interrupt */ -#define MAX3107_IRQ_TXFIFO_BIT	(1 << 4) /* TX FIFO interrupt */ -#define MAX3107_IRQ_TXEMPTY_BIT	(1 << 5) /* TX FIFO empty interrupt */ -#define MAX3107_IRQ_RXEMPTY_BIT	(1 << 6) /* RX FIFO empty interrupt */ -#define MAX3107_IRQ_CTS_BIT	(1 << 7) /* CTS interrupt */ - -/* LSR register bits */ -#define MAX3107_LSR_RXTO_BIT	(1 << 0) /* RX timeout */ -#define MAX3107_LSR_RXOVR_BIT	(1 << 1) /* RX overrun */ -#define MAX3107_LSR_RXPAR_BIT	(1 << 2) /* RX parity error */ -#define MAX3107_LSR_FRERR_BIT	(1 << 3) /* Frame error */ -#define MAX3107_LSR_RXBRK_BIT	(1 << 4) /* RX break */ -#define MAX3107_LSR_RXNOISE_BIT	(1 << 5) /* RX noise */ -#define MAX3107_LSR_UNDEF6_BIT	(1 << 6) /* Undefined/not used */ -#define MAX3107_LSR_CTS_BIT	(1 << 7) /* CTS pin state */ - -/* Special character register bits */ -#define MAX3107_SPCHR_XON1_BIT		(1 << 0) /* XON1 character */ -#define MAX3107_SPCHR_XON2_BIT		(1 << 1) /* XON2 character */ -#define MAX3107_SPCHR_XOFF1_BIT		(1 << 2) /* XOFF1 character */ -#define MAX3107_SPCHR_XOFF2_BIT		(1 << 3) /* XOFF2 character */ -#define MAX3107_SPCHR_BREAK_BIT		(1 << 4) /* RX break */ -#define MAX3107_SPCHR_MULTIDROP_BIT	(1 << 5) /* 9-bit multidrop addr char */ -#define MAX3107_SPCHR_UNDEF6_BIT	(1 << 6) /* Undefined/not used */ -#define MAX3107_SPCHR_UNDEF7_BIT	(1 << 7) /* Undefined/not used */ - -/* Status register bits */ -#define MAX3107_STS_GPIO0_BIT		(1 << 0) /* GPIO 0 interrupt */ -#define MAX3107_STS_GPIO1_BIT		(1 << 1) /* GPIO 1 interrupt */ -#define MAX3107_STS_GPIO2_BIT		(1 << 2) /* GPIO 2 interrupt */ -#define MAX3107_STS_GPIO3_BIT		(1 << 3) /* GPIO 3 interrupt */ -#define MAX3107_STS_UNDEF4_BIT		(1 << 4) /* Undefined/not used */ -#define MAX3107_STS_CLKREADY_BIT	(1 << 5) /* Clock ready */ -#define MAX3107_STS_SLEEP_BIT		(1 << 6) /* Sleep interrupt */ -#define MAX3107_STS_UNDEF7_BIT		(1 << 7) /* Undefined/not used */ - -/* MODE1 register bits */ -#define MAX3107_MODE1_RXDIS_BIT		(1 << 0) /* RX disable */ -#define MAX3107_MODE1_TXDIS_BIT		(1 << 1) /* TX disable */ -#define MAX3107_MODE1_TXHIZ_BIT		(1 << 2) /* TX pin three-state */ -#define MAX3107_MODE1_RTSHIZ_BIT	(1 << 3) /* RTS pin three-state */ -#define MAX3107_MODE1_TRNSCVCTRL_BIT	(1 << 4) /* Transceiver ctrl enable */ -#define MAX3107_MODE1_FORCESLEEP_BIT	(1 << 5) /* Force sleep mode */ -#define MAX3107_MODE1_AUTOSLEEP_BIT	(1 << 6) /* Auto sleep enable */ -#define MAX3107_MODE1_IRQSEL_BIT	(1 << 7) /* IRQ pin enable */ - -/* MODE2 register bits */ -#define MAX3107_MODE2_RST_BIT		(1 << 0) /* Chip reset */ -#define MAX3107_MODE2_FIFORST_BIT	(1 << 1) /* FIFO reset */ -#define MAX3107_MODE2_RXTRIGINV_BIT	(1 << 2) /* RX FIFO INT invert */ -#define MAX3107_MODE2_RXEMPTINV_BIT	(1 << 3) /* RX FIFO empty INT invert */ -#define MAX3107_MODE2_SPCHR_BIT		(1 << 4) /* Special chr detect enable */ -#define MAX3107_MODE2_LOOPBACK_BIT	(1 << 5) /* Internal loopback enable */ -#define MAX3107_MODE2_MULTIDROP_BIT	(1 << 6) /* 9-bit multidrop enable */ -#define MAX3107_MODE2_ECHOSUPR_BIT	(1 << 7) /* ECHO suppression enable */ - -/* LCR register bits */ -#define MAX3107_LCR_LENGTH0_BIT		(1 << 0) /* Word length bit 0 */ -#define MAX3107_LCR_LENGTH1_BIT		(1 << 1) /* Word length bit 1 -						  * -						  * Word length bits table: -						  * 00 -> 5 bit words -						  * 01 -> 6 bit words -						  * 10 -> 7 bit words -						  * 11 -> 8 bit words -						  */ -#define MAX3107_LCR_STOPLEN_BIT		(1 << 2) /* STOP length bit -						  * -						  * STOP length bit table: -						  * 0 -> 1 stop bit -						  * 1 -> 1-1.5 stop bits if -						  *      word length is 5, -						  *      2 stop bits otherwise -						  */ -#define MAX3107_LCR_PARITY_BIT		(1 << 3) /* Parity bit enable */ -#define MAX3107_LCR_EVENPARITY_BIT	(1 << 4) /* Even parity bit enable */ -#define MAX3107_LCR_FORCEPARITY_BIT	(1 << 5) /* 9-bit multidrop parity */ -#define MAX3107_LCR_TXBREAK_BIT		(1 << 6) /* TX break enable */ -#define MAX3107_LCR_RTS_BIT		(1 << 7) /* RTS pin control */ -#define MAX3107_LCR_WORD_LEN_5		(0x0000) -#define MAX3107_LCR_WORD_LEN_6		(0x0001) -#define MAX3107_LCR_WORD_LEN_7		(0x0002) -#define MAX3107_LCR_WORD_LEN_8		(0x0003) - - -/* IRDA register bits */ -#define MAX3107_IRDA_IRDAEN_BIT		(1 << 0) /* IRDA mode enable */ -#define MAX3107_IRDA_SIR_BIT		(1 << 1) /* SIR mode enable */ -#define MAX3107_IRDA_SHORTIR_BIT	(1 << 2) /* Short SIR mode enable */ -#define MAX3107_IRDA_MIR_BIT		(1 << 3) /* MIR mode enable */ -#define MAX3107_IRDA_RXINV_BIT		(1 << 4) /* RX logic inversion enable */ -#define MAX3107_IRDA_TXINV_BIT		(1 << 5) /* TX logic inversion enable */ -#define MAX3107_IRDA_UNDEF6_BIT		(1 << 6) /* Undefined/not used */ -#define MAX3107_IRDA_UNDEF7_BIT		(1 << 7) /* Undefined/not used */ - -/* Flow control trigger level register masks */ -#define MAX3107_FLOWLVL_HALT_MASK	(0x000f) /* Flow control halt level */ -#define MAX3107_FLOWLVL_RES_MASK	(0x00f0) /* Flow control resume level */ -#define MAX3107_FLOWLVL_HALT(words)	((words/8) & 0x000f) -#define MAX3107_FLOWLVL_RES(words)	(((words/8) & 0x000f) << 4) - -/* FIFO interrupt trigger level register masks */ -#define MAX3107_FIFOTRIGLVL_TX_MASK	(0x000f) /* TX FIFO trigger level */ -#define MAX3107_FIFOTRIGLVL_RX_MASK	(0x00f0) /* RX FIFO trigger level */ -#define MAX3107_FIFOTRIGLVL_TX(words)	((words/8) & 0x000f) -#define MAX3107_FIFOTRIGLVL_RX(words)	(((words/8) & 0x000f) << 4) - -/* Flow control register bits */ -#define MAX3107_FLOWCTRL_AUTORTS_BIT	(1 << 0) /* Auto RTS flow ctrl enable */ -#define MAX3107_FLOWCTRL_AUTOCTS_BIT	(1 << 1) /* Auto CTS flow ctrl enable */ -#define MAX3107_FLOWCTRL_GPIADDR_BIT	(1 << 2) /* Enables that GPIO inputs -						  * are used in conjunction with -						  * XOFF2 for definition of -						  * special character */ -#define MAX3107_FLOWCTRL_SWFLOWEN_BIT	(1 << 3) /* Auto SW flow ctrl enable */ -#define MAX3107_FLOWCTRL_SWFLOW0_BIT	(1 << 4) /* SWFLOW bit 0 */ -#define MAX3107_FLOWCTRL_SWFLOW1_BIT	(1 << 5) /* SWFLOW bit 1 -						  * -						  * SWFLOW bits 1 & 0 table: -						  * 00 -> no transmitter flow -						  *       control -						  * 01 -> receiver compares -						  *       XON2 and XOFF2 -						  *       and controls -						  *       transmitter -						  * 10 -> receiver compares -						  *       XON1 and XOFF1 -						  *       and controls -						  *       transmitter -						  * 11 -> receiver compares -						  *       XON1, XON2, XOFF1 and -						  *       XOFF2 and controls -						  *       transmitter -						  */ -#define MAX3107_FLOWCTRL_SWFLOW2_BIT	(1 << 6) /* SWFLOW bit 2 */ -#define MAX3107_FLOWCTRL_SWFLOW3_BIT	(1 << 7) /* SWFLOW bit 3 -						  * -						  * SWFLOW bits 3 & 2 table: -						  * 00 -> no received flow -						  *       control -						  * 01 -> transmitter generates -						  *       XON2 and XOFF2 -						  * 10 -> transmitter generates -						  *       XON1 and XOFF1 -						  * 11 -> transmitter generates -						  *       XON1, XON2, XOFF1 and -						  *       XOFF2 -						  */ - -/* GPIO configuration register bits */ -#define MAX3107_GPIOCFG_GP0OUT_BIT	(1 << 0) /* GPIO 0 output enable */ -#define MAX3107_GPIOCFG_GP1OUT_BIT	(1 << 1) /* GPIO 1 output enable */ -#define MAX3107_GPIOCFG_GP2OUT_BIT	(1 << 2) /* GPIO 2 output enable */ -#define MAX3107_GPIOCFG_GP3OUT_BIT	(1 << 3) /* GPIO 3 output enable */ -#define MAX3107_GPIOCFG_GP0OD_BIT	(1 << 4) /* GPIO 0 open-drain enable */ -#define MAX3107_GPIOCFG_GP1OD_BIT	(1 << 5) /* GPIO 1 open-drain enable */ -#define MAX3107_GPIOCFG_GP2OD_BIT	(1 << 6) /* GPIO 2 open-drain enable */ -#define MAX3107_GPIOCFG_GP3OD_BIT	(1 << 7) /* GPIO 3 open-drain enable */ - -/* GPIO DATA register bits */ -#define MAX3107_GPIODATA_GP0OUT_BIT	(1 << 0) /* GPIO 0 output value */ -#define MAX3107_GPIODATA_GP1OUT_BIT	(1 << 1) /* GPIO 1 output value */ -#define MAX3107_GPIODATA_GP2OUT_BIT	(1 << 2) /* GPIO 2 output value */ -#define MAX3107_GPIODATA_GP3OUT_BIT	(1 << 3) /* GPIO 3 output value */ -#define MAX3107_GPIODATA_GP0IN_BIT	(1 << 4) /* GPIO 0 input value */ -#define MAX3107_GPIODATA_GP1IN_BIT	(1 << 5) /* GPIO 1 input value */ -#define MAX3107_GPIODATA_GP2IN_BIT	(1 << 6) /* GPIO 2 input value */ -#define MAX3107_GPIODATA_GP3IN_BIT	(1 << 7) /* GPIO 3 input value */ - -/* PLL configuration register masks */ -#define MAX3107_PLLCFG_PREDIV_MASK	(0x003f) /* PLL predivision value */ -#define MAX3107_PLLCFG_PLLFACTOR_MASK	(0x00c0) /* PLL multiplication factor */ - -/* Baud rate generator configuration register masks and bits */ -#define MAX3107_BRGCFG_FRACT_MASK	(0x000f) /* Fractional portion of -						  * Baud rate generator divisor -						  */ -#define MAX3107_BRGCFG_2XMODE_BIT	(1 << 4) /* Double baud rate */ -#define MAX3107_BRGCFG_4XMODE_BIT	(1 << 5) /* Quadruple baud rate */ -#define MAX3107_BRGCFG_UNDEF6_BIT	(1 << 6) /* Undefined/not used */ -#define MAX3107_BRGCFG_UNDEF7_BIT	(1 << 7) /* Undefined/not used */ - -/* Clock source register bits */ -#define MAX3107_CLKSRC_INTOSC_BIT	(1 << 0) /* Internal osc enable */ -#define MAX3107_CLKSRC_CRYST_BIT	(1 << 1) /* Crystal osc enable */ -#define MAX3107_CLKSRC_PLL_BIT		(1 << 2) /* PLL enable */ -#define MAX3107_CLKSRC_PLLBYP_BIT	(1 << 3) /* PLL bypass */ -#define MAX3107_CLKSRC_EXTCLK_BIT	(1 << 4) /* External clock enable */ -#define MAX3107_CLKSRC_UNDEF5_BIT	(1 << 5) /* Undefined/not used */ -#define MAX3107_CLKSRC_UNDEF6_BIT	(1 << 6) /* Undefined/not used */ -#define MAX3107_CLKSRC_CLK2RTS_BIT	(1 << 7) /* Baud clk to RTS pin */ - - -/* HW definitions */ -#define MAX3107_RX_FIFO_SIZE	128 -#define MAX3107_TX_FIFO_SIZE	128 -#define MAX3107_REVID1		0x00a0 -#define MAX3107_REVID2		0x00a1 - - -/* Baud rate generator configuration values for external clock 13MHz */ -#define MAX3107_BRG13_B300	(0x0A9400 | 0x05) -#define MAX3107_BRG13_B600	(0x054A00 | 0x03) -#define MAX3107_BRG13_B1200	(0x02A500 | 0x01) -#define MAX3107_BRG13_B2400	(0x015200 | 0x09) -#define MAX3107_BRG13_B4800	(0x00A900 | 0x04) -#define MAX3107_BRG13_B9600	(0x005400 | 0x0A) -#define MAX3107_BRG13_B19200	(0x002A00 | 0x05) -#define MAX3107_BRG13_B38400	(0x001500 | 0x03) -#define MAX3107_BRG13_B57600	(0x000E00 | 0x02) -#define MAX3107_BRG13_B115200	(0x000700 | 0x01) -#define MAX3107_BRG13_B230400	(0x000300 | 0x08) -#define MAX3107_BRG13_B460800	(0x000100 | 0x0c) -#define MAX3107_BRG13_B921600	(0x000100 | 0x1c) - -/* Baud rate generator configuration values for external clock 26MHz */ -#define MAX3107_BRG26_B300	(0x152800 | 0x0A) -#define MAX3107_BRG26_B600	(0x0A9400 | 0x05) -#define MAX3107_BRG26_B1200	(0x054A00 | 0x03) -#define MAX3107_BRG26_B2400	(0x02A500 | 0x01) -#define MAX3107_BRG26_B4800	(0x015200 | 0x09) -#define MAX3107_BRG26_B9600	(0x00A900 | 0x04) -#define MAX3107_BRG26_B19200	(0x005400 | 0x0A) -#define MAX3107_BRG26_B38400	(0x002A00 | 0x05) -#define MAX3107_BRG26_B57600	(0x001C00 | 0x03) -#define MAX3107_BRG26_B115200	(0x000E00 | 0x02) -#define MAX3107_BRG26_B230400	(0x000700 | 0x01) -#define MAX3107_BRG26_B460800	(0x000300 | 0x08) -#define MAX3107_BRG26_B921600	(0x000100 | 0x0C) - -/* Baud rate generator configuration values for internal clock */ -#define MAX3107_BRG13_IB300	(0x008000 | 0x00) -#define MAX3107_BRG13_IB600	(0x004000 | 0x00) -#define MAX3107_BRG13_IB1200	(0x002000 | 0x00) -#define MAX3107_BRG13_IB2400	(0x001000 | 0x00) -#define MAX3107_BRG13_IB4800	(0x000800 | 0x00) -#define MAX3107_BRG13_IB9600	(0x000400 | 0x00) -#define MAX3107_BRG13_IB19200	(0x000200 | 0x00) -#define MAX3107_BRG13_IB38400	(0x000100 | 0x00) -#define MAX3107_BRG13_IB57600	(0x000000 | 0x0B) -#define MAX3107_BRG13_IB115200	(0x000000 | 0x05) -#define MAX3107_BRG13_IB230400	(0x000000 | 0x03) -#define MAX3107_BRG13_IB460800	(0x000000 | 0x00) -#define MAX3107_BRG13_IB921600	(0x000000 | 0x00) - - -struct baud_table { -	int baud; -	u32 new_brg; -}; - -struct max3107_port { -	/* UART port structure */ -	struct uart_port port; - -	/* SPI device structure */ -	struct spi_device *spi; - -#if defined(CONFIG_GPIOLIB) -	/* GPIO chip structure */ -	struct gpio_chip chip; -#endif - -	/* Workqueue that does all the magic */ -	struct workqueue_struct *workqueue; -	struct work_struct work; - -	/* Lock for shared data */ -	spinlock_t data_lock; - -	/* Device configuration */ -	int ext_clk;		/* 1 if external clock used */ -	int loopback;		/* Current loopback mode state */ -	int baud;			/* Current baud rate */ - -	/* State flags */ -	int suspended;		/* Indicates suspend mode */ -	int tx_fifo_empty;	/* Flag for TX FIFO state */ -	int rx_enabled;		/* Flag for receiver state */ -	int tx_enabled;		/* Flag for transmitter state */ - -	u16 irqen_reg;		/* Current IRQ enable register value */ -	/* Shared data */ -	u16 mode1_reg;		/* Current mode1 register value*/ -	int mode1_commit;	/* Flag for setting new mode1 register value */ -	u16 lcr_reg;		/* Current LCR register value */ -	int lcr_commit;		/* Flag for setting new LCR register value */ -	u32 brg_cfg;		/* Current Baud rate generator config  */ -	int brg_commit;		/* Flag for setting new baud rate generator -				 * config -				 */ -	struct baud_table *baud_tbl; -	int handle_irq;		/* Indicates that IRQ should be handled */ - -	/* Rx buffer and str*/ -	u16 *rxbuf; -	u8  *rxstr; -	/* Tx buffer*/ -	u16 *txbuf; - -	struct max3107_plat *pdata;	/* Platform data */ -}; - -/* Platform data structure */ -struct max3107_plat { -	/* Loopback mode enable */ -	int loopback; -	/* External clock enable */ -	int ext_clk; -	/* Called during the register initialisation */ -	void (*init)(struct max3107_port *s); -	/* Called when the port is found and configured */ -	int (*configure)(struct max3107_port *s); -	/* HW suspend function */ -	void (*hw_suspend) (struct max3107_port *s, int suspend); -	/* Polling mode enable */ -	int polled_mode; -	/* Polling period if polling mode enabled */ -	int poll_time; -}; - -extern int max3107_rw(struct max3107_port *s, u8 *tx, u8 *rx, int len); -extern void max3107_hw_susp(struct max3107_port *s, int suspend); -extern int max3107_probe(struct spi_device *spi, struct max3107_plat *pdata); -extern int max3107_remove(struct spi_device *spi); -extern int max3107_suspend(struct spi_device *spi, pm_message_t state); -extern int max3107_resume(struct spi_device *spi); - -#endif /* _LINUX_SERIAL_MAX3107_H */  |