Merge tag 'ata-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ata updates from Damien Le Moal:

 - Many cleanups of the pata_parport driver and of its protocol modules
   (Ondrej)

 - Remove unused code (ata_id_xxx() functions) (Sergey)

 - Add Add UniPhier SATA controller DT bindings (Kunihiko)

 - Fix dependencies for the Freescale QorIQ AHCI SATA controller driver
   (Geert)

 - DT property handling improvements (Rob)

* tag 'ata-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (57 commits)
  ata: pata_parport-bpck6: Declare mode_map as static
  ata: pata_parport-bpck6: Remove dependency on 64BIT
  ata: pata_parport-bpck6: reduce indents in bpck6_open
  ata: pata_parport-bpck6: delete ppc6lnx.c
  ata: pata_parport-bpck6: move defines and mode_map to bpck6.c
  ata: pata_parport-bpck6: move ppc6_wr_data_byte to bpck6.c and rename
  ata: pata_parport-bpck6: move ppc6_rd_data_byte to bpck6.c and rename
  ata: pata_parport-bpck6: move ppc6_send_cmd to bpck6.c and rename
  ata: pata_parport-bpck6: move ppc6_deselect to bpck6.c and rename
  ata: pata_parport-bpck6: merge ppc6_select into bpck6_open
  ata: pata_parport-bpck6: move ppc6_open to bpck6.c and rename
  ata: pata_parport-bpck6: move ppc6_wr_extout to bpck6.c and rename
  ata: pata_parport-bpck6: move ppc6_wait_for_fifo to bpck6.c and rename
  ata: pata_parport-bpck6: merge ppc6_wr_data_blk into bpck6_write_block
  ata: pata_parport-bpck6: merge ppc6_rd_data_blk into bpck6_read_block
  ata: pata_parport-bpck6: merge ppc6_wr_port16_blk into bpck6_write_block
  ata: pata_parport-bpck6: merge ppc6_rd_port16_blk into bpck6_read_block
  ata: pata_parport-bpck6: merge ppc6_wr_port into bpck6_write_regr
  ata: pata_parport-bpck6: merge ppc6_rd_port into bpck6_read_regr
  ata: pata_parport-bpck6: remove ppc6_close
  ...

23 files changed, 702 insertions, 1438 deletions

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index b56fba76b43f..42b51c9812a0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -276,6 +276,7 @@ config AHCI_XGENE
 config AHCI_QORIQ
 	tristate "Freescale QorIQ AHCI SATA support"
 	depends on OF
+	depends on SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
 	select SATA_HOST
 	help
 	  This option enables support for the Freescale QorIQ AHCI SoC's
diff --git a/drivers/ata/ahci_mtk.c b/drivers/ata/ahci_mtk.c
index c056378e3e72..5714efe3f8e7 100644
--- a/drivers/ata/ahci_mtk.c
+++ b/drivers/ata/ahci_mtk.c
@@ -106,7 +106,7 @@ static int mtk_ahci_parse_property(struct ahci_host_priv *hpriv,
 	struct device_node *np = dev->of_node;
 
 	/* enable SATA function if needed */
-	if (of_find_property(np, "mediatek,phy-mode", NULL)) {
+	if (of_property_present(np, "mediatek,phy-mode")) {
 		plat->mode = syscon_regmap_lookup_by_phandle(
 					np, "mediatek,phy-mode");
 		if (IS_ERR(plat->mode)) {
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index b9e336bacf17..f00da19670b0 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -363,7 +363,7 @@ static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port,
 	switch (rc) {
 	case -ENOSYS:
 		/* No PHY support. Check if PHY is required. */
-		if (of_find_property(node, "phys", NULL)) {
+		if (of_property_present(node, "phys")) {
 			dev_err(dev,
 				"couldn't get PHY in node %pOFn: ENOSYS\n",
 				node);
diff --git a/drivers/ata/pata_parport/Kconfig b/drivers/ata/pata_parport/Kconfig
index 0893a13e7979..2c953f5d1396 100644
--- a/drivers/ata/pata_parport/Kconfig
+++ b/drivers/ata/pata_parport/Kconfig
@@ -25,7 +25,7 @@ config PATA_PARPORT_BPCK
 
 config PATA_PARPORT_BPCK6
 	tristate "MicroSolutions backpack (Series 6) protocol"
-	depends on (PATA_PARPORT) && !64BIT
+	depends on PATA_PARPORT
 	help
 	  This option enables support for the Micro Solutions BACKPACK
 	  parallel port Series 6 IDE protocol.  (Most BACKPACK drives made
diff --git a/drivers/ata/pata_parport/aten.c b/drivers/ata/pata_parport/aten.c
index b66508bedbd0..1bd248c42f8b 100644
--- a/drivers/ata/pata_parport/aten.c
+++ b/drivers/ata/pata_parport/aten.c
@@ -9,14 +9,6 @@
 
 */
 
-/* Changes:
-
-	1.01	GRG 1998.05.05	init_proto, release_proto
-
-*/
-
-#define ATEN_VERSION      "1.01"
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -24,8 +16,7 @@
 #include <linux/wait.h>
 #include <linux/types.h>
 #include <asm/io.h>
-
-#include <linux/pata_parport.h>
+#include "pata_parport.h"
 
 #define j44(a,b)                ((((a>>4)&0x0f)|(b&0xf0))^0x88)
 
@@ -35,7 +26,7 @@
 
 static int  cont_map[2] = { 0x08, 0x20 };
 
-static void  aten_write_regr( PIA *pi, int cont, int regr, int val)
+static void aten_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
 
 {	int r;
 
@@ -44,7 +35,7 @@ static void  aten_write_regr( PIA *pi, int cont, int regr, int val)
 	w0(r); w2(0xe); w2(6); w0(val); w2(7); w2(6); w2(0xc);
 }
 
-static int aten_read_regr( PIA *pi, int cont, int regr )
+static int aten_read_regr(struct pi_adapter *pi, int cont, int regr)
 
 {	int  a, b, r;
 
@@ -67,7 +58,7 @@ static int aten_read_regr( PIA *pi, int cont, int regr )
 	return -1;
 }
 
-static void aten_read_block( PIA *pi, char * buf, int count )
+static void aten_read_block(struct pi_adapter *pi, char *buf, int count)
 
 {	int  k, a, b, c, d;
 
@@ -95,7 +86,7 @@ static void aten_read_block( PIA *pi, char * buf, int count )
 	}
 }
 
-static void aten_write_block( PIA *pi, char * buf, int count )
+static void aten_write_block(struct pi_adapter *pi, char *buf, int count)
 
 {	int k;
 
@@ -107,28 +98,25 @@ static void aten_write_block( PIA *pi, char * buf, int count )
 	w2(0xc);
 }
 
-static void aten_connect ( PIA *pi  )
+static void aten_connect(struct pi_adapter *pi)
 
 {       pi->saved_r0 = r0();
         pi->saved_r2 = r2();
 	w2(0xc);	
 }
 
-static void aten_disconnect ( PIA *pi )
+static void aten_disconnect(struct pi_adapter *pi)
 
 {       w0(pi->saved_r0);
         w2(pi->saved_r2);
 } 
 
-static void aten_log_adapter( PIA *pi, char * scratch, int verbose )
+static void aten_log_adapter(struct pi_adapter *pi)
 
 {       char    *mode_string[2] = {"4-bit","8-bit"};
 
-        printk("%s: aten %s, ATEN EH-100 at 0x%x, ",
-                pi->device,ATEN_VERSION,pi->port);
-        printk("mode %d (%s), delay %d\n",pi->mode,
-		mode_string[pi->mode],pi->delay);
-
+	dev_info(&pi->dev, "ATEN EH-100 at 0x%x, mode %d (%s), delay %d\n",
+		pi->port, pi->mode, mode_string[pi->mode], pi->delay);
 }
 
 static struct pi_protocol aten = {
@@ -147,16 +135,5 @@ static struct pi_protocol aten = {
 	.log_adapter	= aten_log_adapter,
 };
 
-static int __init aten_init(void)
-{
-	return paride_register(&aten);
-}
-
-static void __exit aten_exit(void)
-{
-	paride_unregister( &aten );
-}
-
 MODULE_LICENSE("GPL");
-module_init(aten_init)
-module_exit(aten_exit)
+module_pata_parport_driver(aten);
diff --git a/drivers/ata/pata_parport/bpck.c b/drivers/ata/pata_parport/bpck.c
index 5fb3cf9ba11d..1c5035a09554 100644
--- a/drivers/ata/pata_parport/bpck.c
+++ b/drivers/ata/pata_parport/bpck.c
@@ -7,15 +7,6 @@
 
 */
 
-/* Changes:
-
-	1.01	GRG 1998.05.05 init_proto, release_proto, pi->delay 
-	1.02    GRG 1998.08.15 default pi->delay returned to 4
-
-*/
-
-#define	BPCK_VERSION	"1.02" 
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -23,8 +14,7 @@
 #include <linux/types.h>
 #include <linux/wait.h>
 #include <asm/io.h>
-
-#include <linux/pata_parport.h>
+#include "pata_parport.h"
 
 #undef r2
 #undef w2
@@ -46,7 +36,7 @@
 
 static int  cont_map[3] = { 0x40, 0x48, 0 };
 
-static int bpck_read_regr( PIA *pi, int cont, int regr )
+static int bpck_read_regr(struct pi_adapter *pi, int cont, int regr)
 
 {       int r, l, h;
 
@@ -77,7 +67,7 @@ static int bpck_read_regr( PIA *pi, int cont, int regr )
 	return -1;
 }	
 
-static void bpck_write_regr( PIA *pi, int cont, int regr, int val )
+static void bpck_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
 
 {	int	r;
 
@@ -106,7 +96,7 @@ static void bpck_write_regr( PIA *pi, int cont, int regr, int val )
 #define WR(r,v)		bpck_write_regr(pi,2,r,v)
 #define RR(r)		(bpck_read_regr(pi,2,r))
 
-static void bpck_write_block( PIA *pi, char * buf, int count )
+static void bpck_write_block(struct pi_adapter *pi, char *buf, int count)
 
 {	int i;
 
@@ -147,7 +137,7 @@ static void bpck_write_block( PIA *pi, char * buf, int count )
  	}
 }
 
-static void bpck_read_block( PIA *pi, char * buf, int count )
+static void bpck_read_block(struct pi_adapter *pi, char *buf, int count)
 
 {	int i, l, h;
 
@@ -194,7 +184,7 @@ static void bpck_read_block( PIA *pi, char * buf, int count )
 	}
 }
 
-static int bpck_probe_unit ( PIA *pi )
+static int bpck_probe_unit(struct pi_adapter *pi)
 
 {	int o1, o0, f7, id;
 	int t, s;
@@ -217,7 +207,7 @@ static int bpck_probe_unit ( PIA *pi )
 	return 1;
 }
 	
-static void bpck_connect ( PIA *pi  )
+static void bpck_connect(struct pi_adapter *pi)
 
 {       pi->saved_r0 = r0();
 	w0(0xff-pi->unit); w2(4); w0(pi->unit);
@@ -241,24 +231,24 @@ static void bpck_connect ( PIA *pi  )
 
 	WR(5,8);
 
-	if (pi->devtype == PI_PCD) {
+/*	if (pi->devtype == PI_PCD) {	possibly wrong, purpose unknown */
 		WR(0x46,0x10);		/* fiddle with ESS logic ??? */
 		WR(0x4c,0x38);
 		WR(0x4d,0x88);
 		WR(0x46,0xa0);
 		WR(0x41,0);
 		WR(0x4e,8);
-		}
+/*	}*/
 }
 
-static void bpck_disconnect ( PIA *pi )
+static void bpck_disconnect(struct pi_adapter *pi)
 
 {	w0(0); 
 	if (pi->mode >= 2) { w2(9); w2(0); } else t2(2);
 	w2(0x4c); w0(pi->saved_r0);
 } 
 
-static void bpck_force_spp ( PIA *pi )
+static void bpck_force_spp(struct pi_adapter *pi)
 
 /* This fakes the EPP protocol to turn off EPP ... */
 
@@ -276,7 +266,7 @@ static void bpck_force_spp ( PIA *pi )
 
 #define TEST_LEN  16
 
-static int bpck_test_proto( PIA *pi, char * scratch, int verbose )
+static int bpck_test_proto(struct pi_adapter *pi)
 
 {	int i, e, l, h, om;
 	char buf[TEST_LEN];
@@ -334,19 +324,16 @@ static int bpck_test_proto( PIA *pi, char * scratch, int verbose )
 
 	}
 
-	if (verbose) {
-	    printk("%s: bpck: 0x%x unit %d mode %d: ",
-		   pi->device,pi->port,pi->unit,pi->mode);
-	    for (i=0;i<TEST_LEN;i++) printk("%3d",buf[i]);
-	    printk("\n");
-	}
+	dev_dbg(&pi->dev, "bpck: 0x%x unit %d mode %d: ",
+		pi->port, pi->unit, pi->mode);
+	print_hex_dump_debug("bpck: ", DUMP_PREFIX_NONE, TEST_LEN, 1, buf, TEST_LEN, false);
 
 	e = 0;
 	for (i=0;i<TEST_LEN;i++) if (buf[i] != (i+1)) e++;
 	return e;
 }
 
-static void bpck_read_eeprom ( PIA *pi, char * buf )
+static void bpck_read_eeprom(struct pi_adapter *pi, char *buf)
 
 {       int i, j, k, p, v, f, om, od;
 
@@ -397,7 +384,7 @@ static void bpck_read_eeprom ( PIA *pi, char * buf )
 	pi->mode = om; pi->delay = od;
 }
 
-static int bpck_test_port ( PIA *pi ) 	/* check for 8-bit port */
+static int bpck_test_port(struct pi_adapter *pi)	/* check for 8-bit port */
 
 {	int	i, r, m;
 
@@ -416,31 +403,17 @@ static int bpck_test_port ( PIA *pi ) 	/* check for 8-bit port */
 	return 5;
 }
 
-static void bpck_log_adapter( PIA *pi, char * scratch, int verbose )
+static void bpck_log_adapter(struct pi_adapter *pi)
 
 {	char	*mode_string[5] = { "4-bit","8-bit","EPP-8",
 				    "EPP-16","EPP-32" };
-
-#ifdef DUMP_EEPROM
-	int i;
-#endif
+	char scratch[128];
 
 	bpck_read_eeprom(pi,scratch);
-
-#ifdef DUMP_EEPROM
-	if (verbose) {
-	   for(i=0;i<128;i++)
-		if ((scratch[i] < ' ') || (scratch[i] > '~'))
-		    scratch[i] = '.';
-	   printk("%s: bpck EEPROM: %64.64s\n",pi->device,scratch);
-	   printk("%s:              %64.64s\n",pi->device,&scratch[64]);
-	}
-#endif
-
-	printk("%s: bpck %s, backpack %8.8s unit %d",
-		pi->device,BPCK_VERSION,&scratch[110],pi->unit);
-	printk(" at 0x%x, mode %d (%s), delay %d\n",pi->port,
-		pi->mode,mode_string[pi->mode],pi->delay);
+	print_hex_dump_bytes("bpck EEPROM: ", DUMP_PREFIX_NONE, scratch, 128);
+	dev_info(&pi->dev, "backpack %8.8s unit %d at 0x%x, mode %d (%s), delay %d\n",
+		 &scratch[110], pi->unit, pi->port, pi->mode,
+		 mode_string[pi->mode], pi->delay);
 }
 
 static struct pi_protocol bpck = {
@@ -462,16 +435,5 @@ static struct pi_protocol bpck = {
 	.log_adapter	= bpck_log_adapter,
 };
 
-static int __init bpck_init(void)
-{
-	return paride_register(&bpck);
-}
-
-static void __exit bpck_exit(void)
-{
-	paride_unregister(&bpck);
-}
-
 MODULE_LICENSE("GPL");
-module_init(bpck_init)
-module_exit(bpck_exit)
+module_pata_parport_driver(bpck);
diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c
index d897e2a28efe..76febd07a9bb 100644
--- a/drivers/ata/pata_parport/bpck6.c
+++ b/drivers/ata/pata_parport/bpck6.c
@@ -11,219 +11,430 @@
 
 */
 
-/*
-   This is Ken's linux wrapper for the PPC library
-   Version 1.0.0 is the backpack driver for which source is not available
-   Version 2.0.0 is the first to have source released 
-   Version 2.0.1 is the "Cox-ified" source code 
-   Version 2.0.2 - fixed version string usage, and made ppc functions static 
-*/
-
-
-#define BACKPACK_VERSION "2.0.2"
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/slab.h>
 #include <linux/types.h>
-#include <asm/io.h>
 #include <linux/parport.h>
-
-#include "ppc6lnx.c"
-#include <linux/pata_parport.h>
-
-/* PARAMETERS */
-static bool verbose; /* set this to 1 to see debugging messages and whatnot */
- 
-
-#define PPCSTRUCT(pi) ((Interface *)(pi->private))
-
-/****************************************************************/
-/*
- ATAPI CDROM DRIVE REGISTERS
-*/
-#define ATAPI_DATA       0      /* data port                  */
-#define ATAPI_ERROR      1      /* error register (read)      */
-#define ATAPI_FEATURES   1      /* feature register (write)   */
-#define ATAPI_INT_REASON 2      /* interrupt reason register  */
-#define ATAPI_COUNT_LOW  4      /* byte count register (low)  */
-#define ATAPI_COUNT_HIGH 5      /* byte count register (high) */
-#define ATAPI_DRIVE_SEL  6      /* drive select register      */
-#define ATAPI_STATUS     7      /* status port (read)         */
-#define ATAPI_COMMAND    7      /* command port (write)       */
-#define ATAPI_ALT_STATUS 0x0e /* alternate status reg (read) */
-#define ATAPI_DEVICE_CONTROL 0x0e /* device control (write)   */
-/****************************************************************/
-
-static int bpck6_read_regr(PIA *pi, int cont, int reg)
+#include "pata_parport.h"
+
+/* 60772 Commands */
+#define ACCESS_REG		0x00
+#define ACCESS_PORT		0x40
+
+#define ACCESS_READ		0x00
+#define ACCESS_WRITE		0x20
+
+/* 60772 Command Prefix */
+#define CMD_PREFIX_SET		0xe0	// Special command that modifies next command's operation
+#define CMD_PREFIX_RESET	0xc0	// Resets current cmd modifier reg bits
+ #define PREFIX_IO16		0x01	// perform 16-bit wide I/O
+ #define PREFIX_FASTWR		0x04	// enable PPC mode fast-write
+ #define PREFIX_BLK		0x08	// enable block transfer mode
+
+/* 60772 Registers */
+#define REG_STATUS		0x00	// status register
+ #define STATUS_IRQA		0x01	// Peripheral IRQA line
+ #define STATUS_EEPROM_DO	0x40	// Serial EEPROM data bit
+#define REG_VERSION		0x01	// PPC version register (read)
+#define REG_HWCFG		0x02	// Hardware Config register
+#define REG_RAMSIZE		0x03	// Size of RAM Buffer
+ #define RAMSIZE_128K		0x02
+#define REG_EEPROM		0x06	// EEPROM control register
+ #define EEPROM_SK		0x01	// eeprom SK bit
+ #define EEPROM_DI		0x02	// eeprom DI bit
+ #define EEPROM_CS		0x04	// eeprom CS bit
+ #define EEPROM_EN		0x08	// eeprom output enable
+#define REG_BLKSIZE		0x08	// Block transfer len (24 bit)
+
+/* flags */
+#define fifo_wait		0x10
+
+/* DONT CHANGE THESE LEST YOU BREAK EVERYTHING - BIT FIELD DEPENDENCIES */
+#define PPCMODE_UNI_SW		0
+#define PPCMODE_UNI_FW		1
+#define PPCMODE_BI_SW		2
+#define PPCMODE_BI_FW		3
+#define PPCMODE_EPP_BYTE	4
+#define PPCMODE_EPP_WORD	5
+#define PPCMODE_EPP_DWORD	6
+
+static int mode_map[] = { PPCMODE_UNI_FW, PPCMODE_BI_FW, PPCMODE_EPP_BYTE,
+			  PPCMODE_EPP_WORD, PPCMODE_EPP_DWORD };
+
+static void bpck6_send_cmd(struct pi_adapter *pi, u8 cmd)
 {
-	unsigned int out;
+	switch (mode_map[pi->mode]) {
+	case PPCMODE_UNI_SW:
+	case PPCMODE_UNI_FW:
+	case PPCMODE_BI_SW:
+	case PPCMODE_BI_FW:
+		parport_write_data(pi->pardev->port, cmd);
+		parport_frob_control(pi->pardev->port, 0, PARPORT_CONTROL_AUTOFD);
+		break;
+	case PPCMODE_EPP_BYTE:
+	case PPCMODE_EPP_WORD:
+	case PPCMODE_EPP_DWORD:
+		pi->pardev->port->ops->epp_write_addr(pi->pardev->port, &cmd, 1, 0);
+		break;
+	}
+}
 
-	/* check for bad settings */
-	if (reg<0 || reg>7 || cont<0 || cont>2)
-	{
-		return(-1);
+static u8 bpck6_rd_data_byte(struct pi_adapter *pi)
+{
+	u8 data = 0;
+
+	switch (mode_map[pi->mode]) {
+	case PPCMODE_UNI_SW:
+	case PPCMODE_UNI_FW:
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+							PARPORT_CONTROL_INIT);
+		data = parport_read_status(pi->pardev->port);
+		data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3);
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+							PARPORT_CONTROL_STROBE);
+		data |= parport_read_status(pi->pardev->port) & 0xB8;
+		break;
+	case PPCMODE_BI_SW:
+	case PPCMODE_BI_FW:
+		parport_data_reverse(pi->pardev->port);
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+				PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT);
+		data = parport_read_data(pi->pardev->port);
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, 0);
+		parport_data_forward(pi->pardev->port);
+		break;
+	case PPCMODE_EPP_BYTE:
+	case PPCMODE_EPP_WORD:
+	case PPCMODE_EPP_DWORD:
+		pi->pardev->port->ops->epp_read_data(pi->pardev->port, &data, 1, 0);
+		break;
 	}
-	out=ppc6_rd_port(PPCSTRUCT(pi),cont?reg|8:reg);
-	return(out);
+
+	return data;
 }
 
-static void bpck6_write_regr(PIA *pi, int cont, int reg, int val)
+static void bpck6_wr_data_byte(struct pi_adapter *pi, u8 data)
 {
-	/* check for bad settings */
-	if (reg>=0 && reg<=7 && cont>=0 && cont<=1)
-	{
-		ppc6_wr_port(PPCSTRUCT(pi),cont?reg|8:reg,(u8)val);
+	switch (mode_map[pi->mode]) {
+	case PPCMODE_UNI_SW:
+	case PPCMODE_UNI_FW:
+	case PPCMODE_BI_SW:
+	case PPCMODE_BI_FW:
+		parport_write_data(pi->pardev->port, data);
+		parport_frob_control(pi->pardev->port, 0, PARPORT_CONTROL_INIT);
+		break;
+	case PPCMODE_EPP_BYTE:
+	case PPCMODE_EPP_WORD:
+	case PPCMODE_EPP_DWORD:
+		pi->pardev->port->ops->epp_write_data(pi->pardev->port, &data, 1, 0);
+		break;
 	}
 }
 
-static void bpck6_write_block( PIA *pi, char * buf, int len )
+static int bpck6_read_regr(struct pi_adapter *pi, int cont, int reg)
 {
-	ppc6_wr_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1); 
+	u8 port = cont ? reg | 8 : reg;
+
+	bpck6_send_cmd(pi, port | ACCESS_PORT | ACCESS_READ);
+	return bpck6_rd_data_byte(pi);
 }
 
-static void bpck6_read_block( PIA *pi, char * buf, int len )
+static void bpck6_write_regr(struct pi_adapter *pi, int cont, int reg, int val)
 {
-	ppc6_rd_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1);
+	u8 port = cont ? reg | 8 : reg;
+
+	bpck6_send_cmd(pi, port | ACCESS_PORT | ACCESS_WRITE);
+	bpck6_wr_data_byte(pi, val);
 }
 
-static void bpck6_connect ( PIA *pi  )
+static void bpck6_wait_for_fifo(struct pi_adapter *pi)
 {
-	if(verbose)
-	{
-		printk(KERN_DEBUG "connect\n");
-	}
+	int i;
 
-	if(pi->mode >=2)
-  	{
-		PPCSTRUCT(pi)->mode=4+pi->mode-2;	
-	}
-	else if(pi->mode==1)
-	{
-		PPCSTRUCT(pi)->mode=3;	
+	if (pi->private & fifo_wait) {
+		for (i = 0; i < 20; i++)
+			parport_read_status(pi->pardev->port);
 	}
-	else
-	{
-		PPCSTRUCT(pi)->mode=1;		
+}
+
+static void bpck6_write_block(struct pi_adapter *pi, char *buf, int len)
+{
+	u8 this, last;
+
+	bpck6_send_cmd(pi, REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE);
+	bpck6_wr_data_byte(pi, (u8)len);
+	bpck6_wr_data_byte(pi, (u8)(len >> 8));
+	bpck6_wr_data_byte(pi, 0);
+
+	bpck6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK);
+	bpck6_send_cmd(pi, ATA_REG_DATA | ACCESS_PORT | ACCESS_WRITE);
+
+	switch (mode_map[pi->mode]) {
+	case PPCMODE_UNI_SW:
+	case PPCMODE_BI_SW:
+		while (len--) {
+			parport_write_data(pi->pardev->port, *buf++);
+			parport_frob_control(pi->pardev->port, 0,
+							PARPORT_CONTROL_INIT);
+		}
+		break;
+	case PPCMODE_UNI_FW:
+	case PPCMODE_BI_FW:
+		bpck6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_FASTWR);
+
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+							PARPORT_CONTROL_STROBE);
+
+		last = *buf;
+
+		parport_write_data(pi->pardev->port, last);
+
+		while (len) {
+			this = *buf++;
+			len--;
+
+			if (this == last) {
+				parport_frob_control(pi->pardev->port, 0,
+							PARPORT_CONTROL_INIT);
+			} else {
+				parport_write_data(pi->pardev->port, this);
+				last = this;
+			}
+		}
+
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+							0);
+		bpck6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_FASTWR);
+		break;
+	case PPCMODE_EPP_BYTE:
+		pi->pardev->port->ops->epp_write_data(pi->pardev->port, buf,
+						len, PARPORT_EPP_FAST_8);
+		bpck6_wait_for_fifo(pi);
+		break;
+	case PPCMODE_EPP_WORD:
+		pi->pardev->port->ops->epp_write_data(pi->pardev->port, buf,
+						len, PARPORT_EPP_FAST_16);
+		bpck6_wait_for_fifo(pi);
+		break;
+	case PPCMODE_EPP_DWORD:
+		pi->pardev->port->ops->epp_write_data(pi->pardev->port, buf,
+						len, PARPORT_EPP_FAST_32);
+		bpck6_wait_for_fifo(pi);
+		break;
 	}
 
-	ppc6_open(PPCSTRUCT(pi));  
-	ppc6_wr_extout(PPCSTRUCT(pi),0x3);
+	bpck6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK);
 }
 
-static void bpck6_disconnect ( PIA *pi )
+static void bpck6_read_block(struct pi_adapter *pi, char *buf, int len)
 {
-	if(verbose)
-	{
-		printk("disconnect\n");
+	bpck6_send_cmd(pi, REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE);
+	bpck6_wr_data_byte(pi, (u8)len);
+	bpck6_wr_data_byte(pi, (u8)(len >> 8));
+	bpck6_wr_data_byte(pi, 0);
+
+	bpck6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK);
+	bpck6_send_cmd(pi, ATA_REG_DATA | ACCESS_PORT | ACCESS_READ);
+
+	switch (mode_map[pi->mode]) {
+	case PPCMODE_UNI_SW:
+	case PPCMODE_UNI_FW:
+		while (len) {
+			u8 d;
+
+			parport_frob_control(pi->pardev->port,
+					PARPORT_CONTROL_STROBE,
+					PARPORT_CONTROL_INIT); /* DATA STROBE */
+			d = parport_read_status(pi->pardev->port);
+			d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3);
+			parport_frob_control(pi->pardev->port,
+					PARPORT_CONTROL_STROBE,
+					PARPORT_CONTROL_STROBE);
+			d |= parport_read_status(pi->pardev->port) & 0xB8;
+			*buf++ = d;
+			len--;
+		}
+		break;
+	case PPCMODE_BI_SW:
+	case PPCMODE_BI_FW:
+		parport_data_reverse(pi->pardev->port);
+		while (len) {
+			parport_frob_control(pi->pardev->port,
+				PARPORT_CONTROL_STROBE,
+				PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT);
+			*buf++ = parport_read_data(pi->pardev->port);
+			len--;
+		}
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
+					0);
+		parport_data_forward(pi->pardev->port);
+		break;
+	case PPCMODE_EPP_BYTE:
+		pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
+						PARPORT_EPP_FAST_8);
+		break;
+	case PPCMODE_EPP_WORD:
+		pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
+						PARPORT_EPP_FAST_16);
+		break;
+	case PPCMODE_EPP_DWORD:
+		pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
+						PARPORT_EPP_FAST_32);
+		break;
 	}
-	ppc6_wr_extout(PPCSTRUCT(pi),0x0);
-	ppc6_close(PPCSTRUCT(pi));
+
+	bpck6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK);
 }
 
-static int bpck6_test_port ( PIA *pi )   /* check for 8-bit port */
+static int bpck6_open(struct pi_adapter *pi)
 {
-	if(verbose)
-	{
-		printk(KERN_DEBUG "PARPORT indicates modes=%x for lp=0x%lx\n",
-               		((struct pardevice*)(pi->pardev))->port->modes,
-			((struct pardevice *)(pi->pardev))->port->base); 
-	}
+	u8 i, j, k;
 
-	/*copy over duplicate stuff.. initialize state info*/
-	PPCSTRUCT(pi)->ppc_id=pi->unit;
-	PPCSTRUCT(pi)->lpt_addr=pi->port;
+	pi->saved_r0 = parport_read_data(pi->pardev->port);
+	pi->saved_r2 = parport_read_control(pi->pardev->port) & 0x5F;
 
-	/* look at the parport device to see if what modes we can use */
-	if(((struct pardevice *)(pi->pardev))->port->modes & 
-		(PARPORT_MODE_EPP)
-          )
-	{
-		return 5; /* Can do EPP*/
-	}
-	else if(((struct pardevice *)(pi->pardev))->port->modes & 
-			(PARPORT_MODE_TRISTATE)
-               )
-	{
-		return 2;
-	}
-	else /*Just flat SPP*/
-	{
-		return 1;
-	}
+	parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT,
+						PARPORT_CONTROL_SELECT);
+	if (pi->saved_r0 == 'b')
+		parport_write_data(pi->pardev->port, 'x');
+	parport_write_data(pi->pardev->port, 'b');
+	parport_write_data(pi->pardev->port, 'p');
+	parport_write_data(pi->pardev->port, pi->unit);
+	parport_write_data(pi->pardev->port, ~pi->unit);
+
+	parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, 0);
+	parport_write_control(pi->pardev->port, PARPORT_CONTROL_INIT);
+
+	i = mode_map[pi->mode] & 0x0C;
+	if (i == 0)
+		i = (mode_map[pi->mode] & 2) | 1;
+	parport_write_data(pi->pardev->port, i);
+
+	parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT,
+						PARPORT_CONTROL_SELECT);
+	parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD,
+						PARPORT_CONTROL_AUTOFD);
+
+	j = ((i & 0x08) << 4) | ((i & 0x07) << 3);
+	k = parport_read_status(pi->pardev->port) & 0xB8;
+	if (j != k)
+		goto fail;
+
+	parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD, 0);
+	k = (parport_read_status(pi->pardev->port) & 0xB8) ^ 0xB8;
+	if (j != k)
+		goto fail;
+
+	if (i & 4)	// EPP
+		parport_frob_control(pi->pardev->port,
+			PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT, 0);
+	else				// PPC/ECP
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, 0);
+
+	pi->private = 0;
+
+	bpck6_send_cmd(pi, ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE);
+	bpck6_wr_data_byte(pi, RAMSIZE_128K);
+
+	bpck6_send_cmd(pi, ACCESS_REG | ACCESS_READ | REG_VERSION);
+	if ((bpck6_rd_data_byte(pi) & 0x3F) == 0x0C)
+		pi->private |= fifo_wait;
+
+	return 1;
+
+fail:
+	parport_write_control(pi->pardev->port, pi->saved_r2);
+	parport_write_data(pi->pardev->port, pi->saved_r0);
+
+	return 0; // FAIL
 }
 
-static int bpck6_probe_unit ( PIA *pi )
+static void bpck6_deselect(struct pi_adapter *pi)
 {
-	int out;
+	if (mode_map[pi->mode] & 4)	// EPP
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_INIT,
+							PARPORT_CONTROL_INIT);
+	else								// PPC/ECP
+		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT,
+							PARPORT_CONTROL_SELECT);
+
+	parport_write_data(pi->pardev->port, pi->saved_r0);
+	parport_write_control(pi->pardev->port,
+			pi->saved_r2 | PARPORT_CONTROL_SELECT);
+	parport_write_control(pi->pardev->port, pi->saved_r2);
+}
 
-	if(verbose)
-	{
-		printk(KERN_DEBUG "PROBE UNIT %x on port:%x\n",pi->unit,pi->port);
-	}
+stati