Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/ide.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #if defined(CONFIG_ARM) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)     defined(CONFIG_PARISC) || defined(CONFIG_PPC) || defined(CONFIG_SPARC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <asm/ide.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <asm-generic/ide_iops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *	Conventional PIO operations for ATA devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) static u8 ide_inb(unsigned long port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	return (u8) inb(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) static void ide_outb(u8 val, unsigned long port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	outb(val, port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *	MMIO operations, typically used for SATA controllers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static u8 ide_mm_inb(unsigned long port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	return (u8) readb((void __iomem *) port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static void ide_mm_outb(u8 value, unsigned long port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	writeb(value, (void __iomem *) port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) void ide_exec_command(ide_hwif_t *hwif, u8 cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (hwif->host_flags & IDE_HFLAG_MMIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		outb(cmd, hwif->io_ports.command_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) EXPORT_SYMBOL_GPL(ide_exec_command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) u8 ide_read_status(ide_hwif_t *hwif)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	if (hwif->host_flags & IDE_HFLAG_MMIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		return readb((void __iomem *)hwif->io_ports.status_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		return inb(hwif->io_ports.status_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) EXPORT_SYMBOL_GPL(ide_read_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) u8 ide_read_altstatus(ide_hwif_t *hwif)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	if (hwif->host_flags & IDE_HFLAG_MMIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		return readb((void __iomem *)hwif->io_ports.ctl_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		return inb(hwif->io_ports.ctl_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) EXPORT_SYMBOL_GPL(ide_read_altstatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) void ide_write_devctl(ide_hwif_t *hwif, u8 ctl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	if (hwif->host_flags & IDE_HFLAG_MMIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		outb(ctl, hwif->io_ports.ctl_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) EXPORT_SYMBOL_GPL(ide_write_devctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) void ide_dev_select(ide_drive_t *drive)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	ide_hwif_t *hwif = drive->hwif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	u8 select = drive->select | ATA_DEVICE_OBS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	if (hwif->host_flags & IDE_HFLAG_MMIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		writeb(select, (void __iomem *)hwif->io_ports.device_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		outb(select, hwif->io_ports.device_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) EXPORT_SYMBOL_GPL(ide_dev_select);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) void ide_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	ide_hwif_t *hwif = drive->hwif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	struct ide_io_ports *io_ports = &hwif->io_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	void (*tf_outb)(u8 addr, unsigned long port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		tf_outb = ide_mm_outb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		tf_outb = ide_outb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	if (valid & IDE_VALID_FEATURE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		tf_outb(tf->feature, io_ports->feature_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	if (valid & IDE_VALID_NSECT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		tf_outb(tf->nsect, io_ports->nsect_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	if (valid & IDE_VALID_LBAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		tf_outb(tf->lbal, io_ports->lbal_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	if (valid & IDE_VALID_LBAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		tf_outb(tf->lbam, io_ports->lbam_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (valid & IDE_VALID_LBAH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		tf_outb(tf->lbah, io_ports->lbah_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (valid & IDE_VALID_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		tf_outb(tf->device, io_ports->device_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) EXPORT_SYMBOL_GPL(ide_tf_load);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) void ide_tf_read(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	ide_hwif_t *hwif = drive->hwif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct ide_io_ports *io_ports = &hwif->io_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	u8 (*tf_inb)(unsigned long port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		tf_inb  = ide_mm_inb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		tf_inb  = ide_inb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	if (valid & IDE_VALID_ERROR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		tf->error  = tf_inb(io_ports->feature_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (valid & IDE_VALID_NSECT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		tf->nsect  = tf_inb(io_ports->nsect_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (valid & IDE_VALID_LBAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		tf->lbal   = tf_inb(io_ports->lbal_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	if (valid & IDE_VALID_LBAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		tf->lbam   = tf_inb(io_ports->lbam_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	if (valid & IDE_VALID_LBAH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		tf->lbah   = tf_inb(io_ports->lbah_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	if (valid & IDE_VALID_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		tf->device = tf_inb(io_ports->device_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) EXPORT_SYMBOL_GPL(ide_tf_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  * Some localbus EIDE interfaces require a special access sequence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  * when using 32-bit I/O instructions to transfer data.  We call this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)  * the "vlb_sync" sequence, which consists of three successive reads
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)  * of the sector count register location, with interrupts disabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)  * to ensure that the reads all happen together.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static void ata_vlb_sync(unsigned long port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	(void)inb(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	(void)inb(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	(void)inb(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)  * This is used for most PIO data transfers *from* the IDE interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)  * These routines will round up any request for an odd number of bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)  * so if an odd len is specified, be sure that there's at least one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)  * extra byte allocated for the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) void ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		    unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	ide_hwif_t *hwif = drive->hwif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	struct ide_io_ports *io_ports = &hwif->io_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	unsigned long data_addr = io_ports->data_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	unsigned int words = (len + 1) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	u8 io_32bit = drive->io_32bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	if (io_32bit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		if ((io_32bit & 2) && !mmio) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 			ata_vlb_sync(io_ports->nsect_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		words >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			__ide_mm_insl((void __iomem *)data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			insl(data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		if ((io_32bit & 2) && !mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 			local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		if (((len + 1) & 3) < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		buf += len & ~3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		words = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		__ide_mm_insw((void __iomem *)data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		insw(data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) EXPORT_SYMBOL_GPL(ide_input_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)  * This is used for most PIO data transfers *to* the IDE interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) void ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		     unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	ide_hwif_t *hwif = drive->hwif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	struct ide_io_ports *io_ports = &hwif->io_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	unsigned long data_addr = io_ports->data_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	unsigned int words = (len + 1) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	u8 io_32bit = drive->io_32bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (io_32bit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		if ((io_32bit & 2) && !mmio) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			ata_vlb_sync(io_ports->nsect_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		words >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			__ide_mm_outsl((void __iomem *)data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 			outsl(data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		if ((io_32bit & 2) && !mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		if (((len + 1) & 3) < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		buf += len & ~3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		words = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	if (mmio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		__ide_mm_outsw((void __iomem *)data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		outsw(data_addr, buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) EXPORT_SYMBOL_GPL(ide_output_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) const struct ide_tp_ops default_tp_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	.exec_command		= ide_exec_command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	.read_status		= ide_read_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	.read_altstatus		= ide_read_altstatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	.write_devctl		= ide_write_devctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	.dev_select		= ide_dev_select,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	.tf_load		= ide_tf_load,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	.tf_read		= ide_tf_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	.input_data		= ide_input_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	.output_data		= ide_output_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) };