#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/parport.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/types.h>
#include <asm/io.h>
#include <asm/ip32/ip32_ints.h>
#include <asm/ip32/mace.h>

Data Structures
struct	parport_ip32_regs

struct	parport_ip32_private

struct	parport_ip32_dma_data

Macros
#define	DEBUG_PARPORT_IP32 0 /* 0 (disabled) for production */

#define	DEFAULT_VERBOSE_PROBING 0

#define	PPIP32 "parport_ip32: "

#define	PARPORT_IP32_ENABLE_IRQ (1U << 0)

#define	PARPORT_IP32_ENABLE_DMA (1U << 1)

#define	PARPORT_IP32_ENABLE_SPP (1U << 2)

#define	PARPORT_IP32_ENABLE_EPP (1U << 3)

#define	PARPORT_IP32_ENABLE_ECP (1U << 4)

#define	FIFO_NFAULT_TIMEOUT 100 /* milliseconds */

#define	FIFO_POLLING_INTERVAL 50 /* microseconds */

#define	DSR_nBUSY (1U << 7) /* PARPORT_STATUS_BUSY */

#define	DSR_nACK (1U << 6) /* PARPORT_STATUS_ACK */

#define	DSR_PERROR (1U << 5) /* PARPORT_STATUS_PAPEROUT */

#define	DSR_SELECT (1U << 4) /* PARPORT_STATUS_SELECT */

#define	DSR_nFAULT (1U << 3) /* PARPORT_STATUS_ERROR */

#define	DSR_nPRINT (1U << 2) /* specific to TL16PIR552 */

#define	DSR_TIMEOUT (1U << 0) /* EPP timeout */

#define	DCR_DIR (1U << 5) /* direction */

#define	DCR_IRQ (1U << 4) /* interrupt on nAck */

#define	DCR_SELECT (1U << 3) /* PARPORT_CONTROL_SELECT */

#define	DCR_nINIT (1U << 2) /* PARPORT_CONTROL_INIT */

#define	DCR_AUTOFD (1U << 1) /* PARPORT_CONTROL_AUTOFD */

#define	DCR_STROBE (1U << 0) /* PARPORT_CONTROL_STROBE */

#define	CNFGA_IRQ (1U << 7)

#define	CNFGA_ID_MASK ((1U << 6) \| (1U << 5) \| (1U << 4))

#define	CNFGA_ID_SHIFT 4

#define	CNFGA_ID_16 (00U << CNFGA_ID_SHIFT)

#define	CNFGA_ID_8 (01U << CNFGA_ID_SHIFT)

#define	CNFGA_ID_32 (02U << CNFGA_ID_SHIFT)

#define	CNFGA_nBYTEINTRANS (1U << 2)

#define	CNFGA_PWORDLEFT ((1U << 1) \| (1U << 0))

#define	CNFGB_COMPRESS (1U << 7)

#define	CNFGB_INTRVAL (1U << 6)

#define	CNFGB_IRQ_MASK ((1U << 5) \| (1U << 4) \| (1U << 3))

#define	CNFGB_IRQ_SHIFT 3

#define	CNFGB_DMA_MASK ((1U << 2) \| (1U << 1) \| (1U << 0))

#define	CNFGB_DMA_SHIFT 0

#define	ECR_MODE_MASK ((1U << 7) \| (1U << 6) \| (1U << 5))

#define	ECR_MODE_SHIFT 5

#define	ECR_MODE_SPP (00U << ECR_MODE_SHIFT)

#define	ECR_MODE_PS2 (01U << ECR_MODE_SHIFT)

#define	ECR_MODE_PPF (02U << ECR_MODE_SHIFT)

#define	ECR_MODE_ECP (03U << ECR_MODE_SHIFT)

#define	ECR_MODE_EPP (04U << ECR_MODE_SHIFT)

#define	ECR_MODE_TST (06U << ECR_MODE_SHIFT)

#define	ECR_MODE_CFG (07U << ECR_MODE_SHIFT)

#define	ECR_nERRINTR (1U << 4)

#define	ECR_DMAEN (1U << 3)

#define	ECR_SERVINTR (1U << 2)

#define	ECR_F_FULL (1U << 1)

#define	ECR_F_EMPTY (1U << 0)

#define	pr_debug1(...) do { } while (0)

#define	__pr_trace(pr, p, fmt,...)

#define	pr_trace(p, fmt,...) __pr_trace(pr_debug, p, fmt , ##__VA_ARGS__)

#define	pr_trace1(p, fmt,...) __pr_trace(pr_debug1, p, fmt , ##__VA_ARGS__)

#define	__pr_probe(...) do { if (verbose_probing) printk(__VA_ARGS__); } while (0)

#define	pr_probe(p, fmt,...) __pr_probe(KERN_INFO PPIP32 "0x%lx: " fmt, (p)->base , ##__VA_ARGS__)

#define	parport_ip32_dump_state(...) do { } while (0)

#define	CHECK_EXTRA_BITS(...) do { } while (0)

#define	r_base(offset) ((u8 __iomem *)base + ((offset) << regshift))

#define	r_base_hi(offset) ((u8 __iomem *)base_hi + ((offset) << regshift))

#define	printmode(x)

Enumerations
enum	parport_ip32_irq_mode { PARPORT_IP32_IRQ_FWD, PARPORT_IP32_IRQ_HERE }

Functions
	MODULE_AUTHOR ("Arnaud Giersch <[email protected]>")

	MODULE_DESCRIPTION ("SGI IP32 built-in parallel port driver")

	MODULE_LICENSE ("GPL")

	MODULE_VERSION ("0.6")

	module_init (parport_ip32_init)

	module_exit (parport_ip32_exit)

	module_param (verbose_probing, bool, S_IRUGO)

	MODULE_PARM_DESC (verbose_probing,"Log chit-chat during initialization")

	module_param (features, uint, S_IRUGO)

	MODULE_PARM_DESC (features,"Bit mask of features to enable"", bit 0: IRQ support"", bit 1: DMA support"", bit 2: hardware SPP mode"", bit 3: hardware EPP mode"", bit 4: hardware ECP mode")

Macro Definition Documentation

#define __pr_probe ( ... ) do { if (verbose_probing) printk(__VA_ARGS__); } while (0)

Definition at line 314 of file parport_ip32.c.

#define __pr_trace	(	pr,
		p,
		fmt,
		...
	)

Value:

pr("%s: %s" fmt "\n",                       \
       ({ const struct parport *__p = (p);              \
           __p ? __p->name : "parport_ip32"; }),        \
       __func__ , ##__VA_ARGS__)

Definition at line 298 of file parport_ip32.c.

#define CHECK_EXTRA_BITS ( ... ) do { } while (0)

Definition at line 462 of file parport_ip32.c.

#define CNFGA_ID_16 (00U << CNFGA_ID_SHIFT)

Definition at line 207 of file parport_ip32.c.

#define CNFGA_ID_32 (02U << CNFGA_ID_SHIFT)

Definition at line 209 of file parport_ip32.c.

#define CNFGA_ID_8 (01U << CNFGA_ID_SHIFT)

Definition at line 208 of file parport_ip32.c.

#define CNFGA_ID_MASK ((1U << 6) | (1U << 5) | (1U << 4))

Definition at line 205 of file parport_ip32.c.

#define CNFGA_ID_SHIFT 4

Definition at line 206 of file parport_ip32.c.

#define CNFGA_IRQ (1U << 7)

Definition at line 204 of file parport_ip32.c.

#define CNFGA_nBYTEINTRANS (1U << 2)

Definition at line 211 of file parport_ip32.c.

#define CNFGA_PWORDLEFT ((1U << 1) | (1U << 0))

Definition at line 212 of file parport_ip32.c.

#define CNFGB_COMPRESS (1U << 7)

Definition at line 215 of file parport_ip32.c.

#define CNFGB_DMA_MASK ((1U << 2) | (1U << 1) | (1U << 0))

Definition at line 219 of file parport_ip32.c.

#define CNFGB_DMA_SHIFT 0

Definition at line 220 of file parport_ip32.c.

#define CNFGB_INTRVAL (1U << 6)

Definition at line 216 of file parport_ip32.c.

#define CNFGB_IRQ_MASK ((1U << 5) | (1U << 4) | (1U << 3))

Definition at line 217 of file parport_ip32.c.

#define CNFGB_IRQ_SHIFT 3

Definition at line 218 of file parport_ip32.c.

#define DCR_AUTOFD (1U << 1) /* PARPORT_CONTROL_AUTOFD */

Definition at line 200 of file parport_ip32.c.

#define DCR_DIR (1U << 5) /* direction */

Definition at line 196 of file parport_ip32.c.

#define DCR_IRQ (1U << 4) /* interrupt on nAck */

Definition at line 197 of file parport_ip32.c.

#define DCR_nINIT (1U << 2) /* PARPORT_CONTROL_INIT */

Definition at line 199 of file parport_ip32.c.

#define DCR_SELECT (1U << 3) /* PARPORT_CONTROL_SELECT */

Definition at line 198 of file parport_ip32.c.

#define DCR_STROBE (1U << 0) /* PARPORT_CONTROL_STROBE */

Definition at line 201 of file parport_ip32.c.

#define DEBUG_PARPORT_IP32 0 /* 0 (disabled) for production */

Definition at line 76 of file parport_ip32.c.

#define DEFAULT_VERBOSE_PROBING 0

Definition at line 120 of file parport_ip32.c.

#define DSR_nACK (1U << 6) /* PARPORT_STATUS_ACK */

Definition at line 186 of file parport_ip32.c.

#define DSR_nBUSY (1U << 7) /* PARPORT_STATUS_BUSY */

Definition at line 185 of file parport_ip32.c.

#define DSR_nFAULT (1U << 3) /* PARPORT_STATUS_ERROR */

Definition at line 189 of file parport_ip32.c.

#define DSR_nPRINT (1U << 2) /* specific to TL16PIR552 */

Definition at line 190 of file parport_ip32.c.

#define DSR_PERROR (1U << 5) /* PARPORT_STATUS_PAPEROUT */

Definition at line 187 of file parport_ip32.c.

#define DSR_SELECT (1U << 4) /* PARPORT_STATUS_SELECT */

Definition at line 188 of file parport_ip32.c.

#define DSR_TIMEOUT (1U << 0) /* EPP timeout */

Definition at line 192 of file parport_ip32.c.

#define ECR_DMAEN (1U << 3)

Definition at line 234 of file parport_ip32.c.

#define ECR_F_EMPTY (1U << 0)

Definition at line 237 of file parport_ip32.c.

#define ECR_F_FULL (1U << 1)

Definition at line 236 of file parport_ip32.c.

#define ECR_MODE_CFG (07U << ECR_MODE_SHIFT)

Definition at line 232 of file parport_ip32.c.

#define ECR_MODE_ECP (03U << ECR_MODE_SHIFT)

Definition at line 228 of file parport_ip32.c.

#define ECR_MODE_EPP (04U << ECR_MODE_SHIFT)

Definition at line 229 of file parport_ip32.c.

#define ECR_MODE_MASK ((1U << 7) | (1U << 6) | (1U << 5))

Definition at line 223 of file parport_ip32.c.

#define ECR_MODE_PPF (02U << ECR_MODE_SHIFT)

Definition at line 227 of file parport_ip32.c.

#define ECR_MODE_PS2 (01U << ECR_MODE_SHIFT)

Definition at line 226 of file parport_ip32.c.

#define ECR_MODE_SHIFT 5

Definition at line 224 of file parport_ip32.c.

#define ECR_MODE_SPP (00U << ECR_MODE_SHIFT)

Definition at line 225 of file parport_ip32.c.

#define ECR_MODE_TST (06U << ECR_MODE_SHIFT)

Definition at line 231 of file parport_ip32.c.

#define ECR_nERRINTR (1U << 4)

Definition at line 233 of file parport_ip32.c.

#define ECR_SERVINTR (1U << 2)

Definition at line 235 of file parport_ip32.c.

#define FIFO_NFAULT_TIMEOUT 100 /* milliseconds */

Definition at line 144 of file parport_ip32.c.

#define FIFO_POLLING_INTERVAL 50 /* microseconds */

Definition at line 145 of file parport_ip32.c.

#define parport_ip32_dump_state ( ... ) do { } while (0)

Definition at line 439 of file parport_ip32.c.

#define PARPORT_IP32_ENABLE_DMA (1U << 1)

Definition at line 133 of file parport_ip32.c.

#define PARPORT_IP32_ENABLE_ECP (1U << 4)

Definition at line 136 of file parport_ip32.c.

#define PARPORT_IP32_ENABLE_EPP (1U << 3)

Definition at line 135 of file parport_ip32.c.

#define PARPORT_IP32_ENABLE_IRQ (1U << 0)

Definition at line 132 of file parport_ip32.c.

#define PARPORT_IP32_ENABLE_SPP (1U << 2)

Definition at line 134 of file parport_ip32.c.

#define PPIP32 "parport_ip32: "

Definition at line 124 of file parport_ip32.c.

#define pr_debug1 ( ... ) do { } while (0)

Definition at line 284 of file parport_ip32.c.

#define pr_probe	(	p,
		fmt,
		...
	)	__pr_probe(KERN_INFO PPIP32 "0x%lx: " fmt, (p)->base , ##__VA_ARGS__)

Definition at line 316 of file parport_ip32.c.

#define pr_trace	(	p,
		fmt,
		...
	)	__pr_trace(pr_debug, p, fmt , ##__VA_ARGS__)

Definition at line 303 of file parport_ip32.c.

#define pr_trace1	(	p,
		fmt,
		...
	)	__pr_trace(pr_debug1, p, fmt , ##__VA_ARGS__)

Definition at line 304 of file parport_ip32.c.

#define printmode ( x )

Value:

if (p->modes & PARPORT_MODE_##x) \

printk("%s%s", f++ ? "," : "", #x)

#define r_base ( offset ) ((u8 __iomem *)base + ((offset) << regshift))

#define r_base_hi ( offset ) ((u8 __iomem *)base_hi + ((offset) << regshift))

Enumeration Type Documentation

enum parport_ip32_irq_mode

enum parport_ip32_irq_mode - operation mode of interrupt handler : forward interrupt to the upper parport layer : interrupt is handled locally

Enumerator:

PARPORT_IP32_IRQ_FWD
PARPORT_IP32_IRQ_HERE

Definition at line 246 of file parport_ip32.c.

Function Documentation

MODULE_AUTHOR ( "Arnaud Giersch <[email protected]>" )

MODULE_DESCRIPTION ( "SGI IP32 built-in parallel port driver" )

module_exit ( parport_ip32_exit )

module_init ( parport_ip32_init )

MODULE_LICENSE ( "GPL" )

module_param	(	verbose_probing	,
		bool	,
		S_IRUGO
	)

module_param	(	features	,
		uint	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	verbose_probing	,
		"Log chit-chat during initialization"
	)

MODULE_PARM_DESC	(	features	,
		"Bit mask of features to enable""	,
		bit 0:IRQ support""	,
		bit 1:DMA support""	,
		bit 2:hardware SPP mode""	,
		bit 3:hardware EPP mode""	,
		bit 4:hardware ECP mode"
	)

MODULE_VERSION ( "0.6" )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation