Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 (fd6ec5f3) · Commits · 戴 / test

arch/arm/mach-at91/at91sam9263_devices.c

+105 −0

Original line number	Diff line number	Diff line
		@@ -347,6 +347,111 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
		void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
		#endif

		/* --------------------------------------------------------------------
		* Compact Flash (PCMCIA or IDE)
		* -------------------------------------------------------------------- */

		#if defined(CONFIG_AT91_CF) \|\| defined(CONFIG_AT91_CF_MODULE) \|\| \
		defined(CONFIG_BLK_DEV_IDE_AT91) \|\| defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)

		static struct at91_cf_data cf0_data;

		static struct resource cf0_resources[] = {
		[0] = {
		.start = AT91_CHIPSELECT_4,
		.end = AT91_CHIPSELECT_4 + SZ_256M - 1,
		.flags = IORESOURCE_MEM \| IORESOURCE_MEM_8AND16BIT,
		}
		};

		static struct platform_device cf0_device = {
		.id = 0,
		.dev = {
		.platform_data = &cf0_data,
		},
		.resource = cf0_resources,
		.num_resources = ARRAY_SIZE(cf0_resources),
		};

		static struct at91_cf_data cf1_data;

		static struct resource cf1_resources[] = {
		[0] = {
		.start = AT91_CHIPSELECT_5,
		.end = AT91_CHIPSELECT_5 + SZ_256M - 1,
		.flags = IORESOURCE_MEM \| IORESOURCE_MEM_8AND16BIT,
		}
		};

		static struct platform_device cf1_device = {
		.id = 1,
		.dev = {
		.platform_data = &cf1_data,
		},
		.resource = cf1_resources,
		.num_resources = ARRAY_SIZE(cf1_resources),
		};

		void __init at91_add_device_cf(struct at91_cf_data *data)
		{
		unsigned long ebi0_csa;
		struct platform_device *pdev;

		if (!data)
		return;

		/*
		* assign CS4 or CS5 to SMC with Compact Flash logic support,
		* we assume SMC timings are configured by board code,
		* except True IDE where timings are controlled by driver
		*/
		ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
		switch (data->chipselect) {
		case 4:
		at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */
		ebi0_csa \|= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
		cf0_data = *data;
		pdev = &cf0_device;
		break;
		case 5:
		at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */
		ebi0_csa \|= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
		cf1_data = *data;
		pdev = &cf1_device;
		break;
		default:
		printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
		data->chipselect);
		return;
		}
		at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);

		if (data->det_pin) {
		at91_set_gpio_input(data->det_pin, 1);
		at91_set_deglitch(data->det_pin, 1);
		}

		if (data->irq_pin) {
		at91_set_gpio_input(data->irq_pin, 1);
		at91_set_deglitch(data->irq_pin, 1);
		}

		if (data->vcc_pin)
		/* initially off */
		at91_set_gpio_output(data->vcc_pin, 0);

		/* enable EBI controlled pins */
		at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */
		at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */
		at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */
		at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */

		pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
		platform_device_register(pdev);
		}
		#else
		void __init at91_add_device_cf(struct at91_cf_data *data) {}
		#endif

		/* --------------------------------------------------------------------
		* NAND / SmartMedia

arch/arm/mach-at91/include/mach/board.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -56,6 +56,9 @@ struct at91_cf_data {
		u8 vcc_pin; /* power switching */
		u8 rst_pin; /* card reset */
		u8 chipselect; /* EBI Chip Select number */
		u8 flags;
		#define AT91_CF_TRUE_IDE 0x01
		#define AT91_IDE_SWAP_A0_A2 0x02
		};
		extern void __init at91_add_device_cf(struct at91_cf_data *data);

drivers/ide/Kconfig

+5 −0

Original line number	Diff line number	Diff line
		@@ -721,6 +721,11 @@ config BLK_DEV_IDE_TX4939
		depends on SOC_TX4939
		select BLK_DEV_IDEDMA_SFF

		config BLK_DEV_IDE_AT91
		tristate "Atmel AT91 (SAM9, CAP9, AT572D940HF) IDE support"
		depends on ARM && ARCH_AT91 && !ARCH_AT91RM9200 && !ARCH_AT91X40
		select IDE_TIMINGS

		config IDE_ARM
		tristate "ARM IDE support"
		depends on ARM && (ARCH_RPC \|\| ARCH_SHARK)

drivers/ide/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -116,3 +116,4 @@ obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o

		obj-$(CONFIG_BLK_DEV_IDE_TX4938) += tx4938ide.o
		obj-$(CONFIG_BLK_DEV_IDE_TX4939) += tx4939ide.o
		obj-$(CONFIG_BLK_DEV_IDE_AT91) += at91_ide.o

drivers/ide/at91_ide.c

0 → 100644

+467 −0

Original line number	Diff line number	Diff line
		/*
		* IDE host driver for AT91 (SAM9, CAP9, AT572D940HF) Static Memory Controller
		* with Compact Flash True IDE logic
		*
		* Copyright (c) 2008, 2009 Kelvatek Ltd.
		*
		* 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.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		*
		*/

		#include <linux/version.h>
		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/clk.h>
		#include <linux/err.h>
		#include <linux/ide.h>
		#include <linux/platform_device.h>

		#include <mach/board.h>
		#include <mach/gpio.h>
		#include <mach/at91sam9263.h>
		#include <mach/at91sam9_smc.h>
		#include <mach/at91sam9263_matrix.h>

		#define DRV_NAME "at91_ide"

		#define perr(fmt, args...) pr_err(DRV_NAME ": " fmt, ##args)
		#define pdbg(fmt, args...) pr_debug("%s " fmt, __func__, ##args)

		/*
		* Access to IDE device is possible through EBI Static Memory Controller
		* with Compact Flash logic. For details see EBI and SMC datasheet sections
		* of any microcontroller from AT91SAM9 family.
		*
		* Within SMC chip select address space, lines A[23:21] distinguish Compact
		* Flash modes (I/O, common memory, attribute memory, True IDE). IDE modes are:
		* 0x00c0000 - True IDE
		* 0x00e0000 - Alternate True IDE (Alt Status Register)
		*
		* On True IDE mode Task File and Data Register are mapped at the same address.
		* To distinguish access between these two different bus data width is used:
		* 8Bit for Task File, 16Bit for Data I/O.
		*
		* After initialization we do 8/16 bit flipping (changes in SMC MODE register)
		* only inside IDE callback routines which are serialized by IDE layer,
		* so no additional locking needed.
		*/

		#define TASK_FILE 0x00c00000
		#define ALT_MODE 0x00e00000
		#define REGS_SIZE 8

		#define enter_16bit(cs, mode) do { \
		mode = at91_sys_read(AT91_SMC_MODE(cs)); \
		at91_sys_write(AT91_SMC_MODE(cs), mode \| AT91_SMC_DBW_16); \
		} while (0)

		#define leave_16bit(cs, mode) at91_sys_write(AT91_SMC_MODE(cs), mode);

		static void set_smc_timings(const u8 chipselect, const u16 cycle,
		const u16 setup, const u16 pulse,
		const u16 data_float, int use_iordy)
		{
		unsigned long mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \|
		AT91_SMC_BAT_SELECT;

		/* disable or enable waiting for IORDY signal */
		if (use_iordy)
		mode \|= AT91_SMC_EXNWMODE_READY;

		/* add data float cycles if needed */
		if (data_float)
		mode \|= AT91_SMC_TDF_(data_float);

		at91_sys_write(AT91_SMC_MODE(chipselect), mode);

		/* setup timings in SMC */
		at91_sys_write(AT91_SMC_SETUP(chipselect), AT91_SMC_NWESETUP_(setup) \|
		AT91_SMC_NCS_WRSETUP_(0) \|
		AT91_SMC_NRDSETUP_(setup) \|
		AT91_SMC_NCS_RDSETUP_(0));
		at91_sys_write(AT91_SMC_PULSE(chipselect), AT91_SMC_NWEPULSE_(pulse) \|
		AT91_SMC_NCS_WRPULSE_(cycle) \|
		AT91_SMC_NRDPULSE_(pulse) \|
		AT91_SMC_NCS_RDPULSE_(cycle));
		at91_sys_write(AT91_SMC_CYCLE(chipselect), AT91_SMC_NWECYCLE_(cycle) \|
		AT91_SMC_NRDCYCLE_(cycle));
		}

		static unsigned int calc_mck_cycles(unsigned int ns, unsigned int mck_hz)
		{
		u64 tmp = ns;

		tmp *= mck_hz;
		tmp += 100010001000 - 1; /* round up */
		do_div(tmp, 100010001000);
		return (unsigned int) tmp;
		}

		static void apply_timings(const u8 chipselect, const u8 pio,
		const struct ide_timing *timing, int use_iordy)
		{
		unsigned int t0, t1, t2, t6z;
		unsigned int cycle, setup, pulse, data_float;
		unsigned int mck_hz;
		struct clk *mck;

		/* see table 22 of Compact Flash standard 4.1 for the meaning,
		* we do not stretch active (t2) time, so setup (t1) + hold time (th)
		* assure at least minimal recovery (t2i) time */
		t0 = timing->cyc8b;
		t1 = timing->setup;
		t2 = timing->act8b;
		t6z = (pio < 5) ? 30 : 20;

		pdbg("t0=%u t1=%u t2=%u t6z=%u\n", t0, t1, t2, t6z);

		mck = clk_get(NULL, "mck");
		BUG_ON(IS_ERR(mck));
		mck_hz = clk_get_rate(mck);
		pdbg("mck_hz=%u\n", mck_hz);

		cycle = calc_mck_cycles(t0, mck_hz);
		setup = calc_mck_cycles(t1, mck_hz);
		pulse = calc_mck_cycles(t2, mck_hz);
		data_float = calc_mck_cycles(t6z, mck_hz);

		pdbg("cycle=%u setup=%u pulse=%u data_float=%u\n",
		cycle, setup, pulse, data_float);

		set_smc_timings(chipselect, cycle, setup, pulse, data_float, use_iordy);
		}

		static void at91_ide_input_data(ide_drive_t drive, struct request rq,
		void *buf, unsigned int len)
		{
		ide_hwif_t *hwif = drive->hwif;
		struct ide_io_ports *io_ports = &hwif->io_ports;
		u8 chipselect = hwif->select_data;
		unsigned long mode;

		pdbg("cs %u buf %p len %d\n", chipselect, buf, len);

		len++;

		enter_16bit(chipselect, mode);
		__ide_mm_insw((void __iomem *) io_ports->data_addr, buf, len / 2);
		leave_16bit(chipselect, mode);
		}

		static void at91_ide_output_data(ide_drive_t drive, struct request rq,
		void *buf, unsigned int len)
		{
		ide_hwif_t *hwif = drive->hwif;
		struct ide_io_ports *io_ports = &hwif->io_ports;
		u8 chipselect = hwif->select_data;
		unsigned long mode;

		pdbg("cs %u buf %p len %d\n", chipselect, buf, len);

		enter_16bit(chipselect, mode);
		__ide_mm_outsw((void __iomem *) io_ports->data_addr, buf, len / 2);
		leave_16bit(chipselect, mode);
		}

		static u8 ide_mm_inb(unsigned long port)
		{
		return readb((void __iomem *) port);
		}

		static void ide_mm_outb(u8 value, unsigned long port)
		{
		writeb(value, (void __iomem *) port);
		}

		static void at91_ide_tf_load(ide_drive_t drive, ide_task_t task)
		{
		ide_hwif_t *hwif = drive->hwif;
		struct ide_io_ports *io_ports = &hwif->io_ports;
		struct ide_taskfile *tf = &task->tf;
		u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;

		if (task->tf_flags & IDE_TFLAG_FLAGGED)
		HIHI = 0xFF;

		if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
		u16 data = (tf->hob_data << 8) \| tf->data;

		at91_ide_output_data(drive, NULL, &data, 2);
		}

		if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
		ide_mm_outb(tf->hob_feature, io_ports->feature_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
		ide_mm_outb(tf->hob_nsect, io_ports->nsect_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
		ide_mm_outb(tf->hob_lbal, io_ports->lbal_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
		ide_mm_outb(tf->hob_lbam, io_ports->lbam_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
		ide_mm_outb(tf->hob_lbah, io_ports->lbah_addr);

		if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
		ide_mm_outb(tf->feature, io_ports->feature_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
		ide_mm_outb(tf->nsect, io_ports->nsect_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
		ide_mm_outb(tf->lbal, io_ports->lbal_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
		ide_mm_outb(tf->lbam, io_ports->lbam_addr);
		if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
		ide_mm_outb(tf->lbah, io_ports->lbah_addr);

		if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
		ide_mm_outb((tf->device & HIHI) \| drive->select, io_ports->device_addr);
		}

		static void at91_ide_tf_read(ide_drive_t drive, ide_task_t task)
		{
		ide_hwif_t *hwif = drive->hwif;
		struct ide_io_ports *io_ports = &hwif->io_ports;
		struct ide_taskfile *tf = &task->tf;

		if (task->tf_flags & IDE_TFLAG_IN_DATA) {
		u16 data;

		at91_ide_input_data(drive, NULL, &data, 2);
		tf->data = data & 0xff;
		tf->hob_data = (data >> 8) & 0xff;
		}

		/* be sure we're looking at the low order bits */
		ide_mm_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);

		if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
		tf->feature = ide_mm_inb(io_ports->feature_addr);
		if (task->tf_flags & IDE_TFLAG_IN_NSECT)
		tf->nsect = ide_mm_inb(io_ports->nsect_addr);
		if (task->tf_flags & IDE_TFLAG_IN_LBAL)
		tf->lbal = ide_mm_inb(io_ports->lbal_addr);
		if (task->tf_flags & IDE_TFLAG_IN_LBAM)
		tf->lbam = ide_mm_inb(io_ports->lbam_addr);
		if (task->tf_flags & IDE_TFLAG_IN_LBAH)
		tf->lbah = ide_mm_inb(io_ports->lbah_addr);
		if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
		tf->device = ide_mm_inb(io_ports->device_addr);

		if (task->tf_flags & IDE_TFLAG_LBA48) {
		ide_mm_outb(ATA_DEVCTL_OBS \| 0x80, io_ports->ctl_addr);

		if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
		tf->hob_feature = ide_mm_inb(io_ports->feature_addr);
		if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
		tf->hob_nsect = ide_mm_inb(io_ports->nsect_addr);
		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
		tf->hob_lbal = ide_mm_inb(io_ports->lbal_addr);
		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
		tf->hob_lbam = ide_mm_inb(io_ports->lbam_addr);
		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
		tf->hob_lbah = ide_mm_inb(io_ports->lbah_addr);
		}
		}

		static void at91_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
		{
		struct ide_timing *timing;
		u8 chipselect = drive->hwif->select_data;
		int use_iordy = 0;

		pdbg("chipselect %u pio %u\n", chipselect, pio);

		timing = ide_timing_find_mode(XFER_PIO_0 + pio);
		BUG_ON(!timing);

		if ((pio > 2 \|\| ata_id_has_iordy(drive->id)) &&
		!(ata_id_is_cfa(drive->id) && pio > 4))
		use_iordy = 1;

		apply_timings(chipselect, pio, timing, use_iordy);
		}

		static const struct ide_tp_ops at91_ide_tp_ops = {
		.exec_command = ide_exec_command,
		.read_status = ide_read_status,
		.read_altstatus = ide_read_altstatus,
		.set_irq = ide_set_irq,

		.tf_load = at91_ide_tf_load,
		.tf_read = at91_ide_tf_read,

		.input_data = at91_ide_input_data,
		.output_data = at91_ide_output_data,
		};

		static const struct ide_port_ops at91_ide_port_ops = {
		.set_pio_mode = at91_ide_set_pio_mode,
		};

		static const struct ide_port_info at91_ide_port_info __initdata = {
		.port_ops = &at91_ide_port_ops,
		.tp_ops = &at91_ide_tp_ops,
		.host_flags = IDE_HFLAG_MMIO \| IDE_HFLAG_NO_DMA \| IDE_HFLAG_SINGLE \|
		IDE_HFLAG_NO_IO_32BIT \| IDE_HFLAG_UNMASK_IRQS,
		.pio_mask = ATA_PIO5,
		};

		/*
		* If interrupt is delivered through GPIO, IRQ are triggered on falling
		* and rising edge of signal. Whereas IDE device request interrupt on high
		* level (rising edge in our case). This mean we have fake interrupts, so
		* we need to check interrupt pin and exit instantly from ISR when line
		* is on low level.
		*/

		irqreturn_t at91_irq_handler(int irq, void *dev_id)
		{
		int ntries = 8;
		int pin_val1, pin_val2;

		/* additional deglitch, line can be noisy in badly designed PCB */
		do {
		pin_val1 = at91_get_gpio_value(irq);
		pin_val2 = at91_get_gpio_value(irq);
		} while (pin_val1 != pin_val2 && --ntries > 0);

		if (pin_val1 == 0 \|\| ntries <= 0)
		return IRQ_HANDLED;

		return ide_intr(irq, dev_id);
		}

		static int __init at91_ide_probe(struct platform_device *pdev)
		{
		int ret;
		hw_regs_t hw;
		hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
		struct ide_host *host;
		struct resource *res;
		unsigned long tf_base = 0, ctl_base = 0;
		struct at91_cf_data *board = pdev->dev.platform_data;

		if (!board)
		return -ENODEV;

		if (board->det_pin && at91_get_gpio_value(board->det_pin) != 0) {
		perr("no device detected\n");
		return -ENODEV;
		}

		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		if (!res) {
		perr("can't get memory resource\n");
		return -ENODEV;
		}

		if (!devm_request_mem_region(&pdev->dev, res->start + TASK_FILE,
		REGS_SIZE, "ide") \|\|
		!devm_request_mem_region(&pdev->dev, res->start + ALT_MODE,
		REGS_SIZE, "alt")) {
		perr("memory resources in use\n");
		return -EBUSY;
		}

		pdbg("chipselect %u irq %u res %08lx\n", board->chipselect,
		board->irq_pin, (unsigned long) res->start);

		tf_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + TASK_FILE,
		REGS_SIZE);
		ctl_base = (unsigned long) devm_ioremap(&pdev->dev, res->start + ALT_MODE,
		REGS_SIZE);
		if (!tf_base \|\| !ctl_base) {
		perr("can't map memory regions\n");
		return -EBUSY;
		}

		memset(&hw, 0, sizeof(hw));

		if (board->flags & AT91_IDE_SWAP_A0_A2) {
		/* workaround for stupid hardware bug */
		hw.io_ports.data_addr = tf_base + 0;
		hw.io_ports.error_addr = tf_base + 4;
		hw.io_ports.nsect_addr = tf_base + 2;
		hw.io_ports.lbal_addr = tf_base + 6;
		hw.io_ports.lbam_addr = tf_base + 1;
		hw.io_ports.lbah_addr = tf_base + 5;
		hw.io_ports.device_addr = tf_base + 3;
		hw.io_ports.command_addr = tf_base + 7;
		hw.io_ports.ctl_addr = ctl_base + 3;
		} else
		ide_std_init_ports(&hw, tf_base, ctl_base + 6);

		hw.irq = board->irq_pin;
		hw.chipset = ide_generic;
		hw.dev = &pdev->dev;

		host = ide_host_alloc(&at91_ide_port_info, hws);
		if (!host) {
		perr("failed to allocate ide host\n");
		return -ENOMEM;
		}

		/* setup Static Memory Controller - PIO 0 as default */
		apply_timings(board->chipselect, 0, ide_timing_find_mode(XFER_PIO_0), 0);

		/* with GPIO interrupt we have to do quirks in handler */
		if (board->irq_pin >= PIN_BASE)
		host->irq_handler = at91_irq_handler;

		host->ports[0]->select_data = board->chipselect;

		ret = ide_host_register(host, &at91_ide_port_info, hws);
		if (ret) {
		perr("failed to register ide host\n");
		goto err_free_host;
		}
		platform_set_drvdata(pdev, host);
		return 0;

		err_free_host:
		ide_host_free(host);
		return ret;
		}

		static int __exit at91_ide_remove(struct platform_device *pdev)
		{
		struct ide_host *host = platform_get_drvdata(pdev);

		ide_host_remove(host);
		return 0;
		}

		static struct platform_driver at91_ide_driver = {
		.driver = {
		.name = DRV_NAME,
		.owner = THIS_MODULE,
		},
		.remove = __exit_p(at91_ide_remove),
		};

		static int __init at91_ide_init(void)
		{
		return platform_driver_probe(&at91_ide_driver, at91_ide_probe);
		}

		static void __exit at91_ide_exit(void)
		{
		platform_driver_unregister(&at91_ide_driver);
		}

		module_init(at91_ide_init);
		module_exit(at91_ide_exit);

		MODULE_LICENSE("GPL");
		MODULE_AUTHOR("Stanislaw Gruszka <stf_xl@wp.pl>");

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