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Commit 56a2aba3 authored by Marcin Juszkiewicz's avatar Marcin Juszkiewicz Committed by Linus Torvalds
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backlight: remove ProGear driver 



This driver was for the ProGear webpad device which was produced in
2000/2001 and is not available on a market.  I no longer have this
hardware so can not even check how Linux works on it.

Signed-off-by: default avatarMarcin Juszkiewicz <marcin@juszkiewicz.com.pl>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0f59858d

drivers/video/backlight/Kconfig

+0 −7
Original line number Diff line number Diff line
@@ -229,13 +229,6 @@ config BACKLIGHT_HP700 
	  If you have an HP Jornada 700 series,

	  say Y to include backlight control driver.



config BACKLIGHT_PROGEAR

	tristate "Frontpath ProGear Backlight Driver"

	depends on PCI && X86

	help

	  If you have a Frontpath ProGear say Y to enable the

	  backlight driver.



config BACKLIGHT_CARILLO_RANCH

	tristate "Intel Carillo Ranch Backlight Driver"

	depends on LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578

drivers/video/backlight/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -28,7 +28,6 @@ obj-$(CONFIG_BACKLIGHT_LM3639) += lm3639_bl.o 
obj-$(CONFIG_BACKLIGHT_LP855X)	+= lp855x_bl.o

obj-$(CONFIG_BACKLIGHT_OMAP1)	+= omap1_bl.o

obj-$(CONFIG_BACKLIGHT_PANDORA)	+= pandora_bl.o

obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o

obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o

obj-$(CONFIG_BACKLIGHT_PWM)	+= pwm_bl.o

obj-$(CONFIG_BACKLIGHT_DA903X)	+= da903x_bl.o

drivers/video/backlight/progear_bl.c

deleted100644 → 0
+0 −162
Original line number Diff line number Diff line 
/*

 *  Backlight Driver for Frontpath ProGear HX1050+

 *

 *  Copyright (c) 2006 Marcin Juszkiewicz

 *

 *  Based on Progear LCD driver by M Schacht

 *  <mschacht at alumni dot washington dot edu>

 *

 *  Based on Sharp's Corgi Backlight Driver

 *  Based on Backlight Driver for HP Jornada 680

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License version 2 as

 *  published by the Free Software Foundation.

 *

 */



#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/mutex.h>

#include <linux/fb.h>

#include <linux/backlight.h>

#include <linux/pci.h>



#define PMU_LPCR               0xB0

#define SB_MPS1                0x61

#define HW_LEVEL_MAX           0x77

#define HW_LEVEL_MIN           0x4f



static struct pci_dev *pmu_dev = NULL;

static struct pci_dev *sb_dev = NULL;



static int progearbl_set_intensity(struct backlight_device *bd)

{

	int intensity = bd->props.brightness;



	if (bd->props.power != FB_BLANK_UNBLANK)

		intensity = 0;

	if (bd->props.fb_blank != FB_BLANK_UNBLANK)

		intensity = 0;



	pci_write_config_byte(pmu_dev, PMU_LPCR, intensity + HW_LEVEL_MIN);



	return 0;

}



static int progearbl_get_intensity(struct backlight_device *bd)

{

	u8 intensity;

	pci_read_config_byte(pmu_dev, PMU_LPCR, &intensity);



	return intensity - HW_LEVEL_MIN;

}



static const struct backlight_ops progearbl_ops = {

	.get_brightness = progearbl_get_intensity,

	.update_status = progearbl_set_intensity,

};



static int progearbl_probe(struct platform_device *pdev)

{

	struct backlight_properties props;

	u8 temp;

	struct backlight_device *progear_backlight_device;

	int ret;



	pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL);

	if (!pmu_dev) {

		pr_err("ALI M7101 PMU not found.\n");

		return -ENODEV;

	}



	sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);

	if (!sb_dev) {

		pr_err("ALI 1533 SB not found.\n");

		ret = -ENODEV;

		goto put_pmu;

	}



	/*     Set SB_MPS1 to enable brightness control. */

	pci_read_config_byte(sb_dev, SB_MPS1, &temp);

	pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20);



	memset(&props, 0, sizeof(struct backlight_properties));

	props.type = BACKLIGHT_RAW;

	props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;

	progear_backlight_device = backlight_device_register("progear-bl",

							     &pdev->dev, NULL,

							     &progearbl_ops,

							     &props);

	if (IS_ERR(progear_backlight_device)) {

		ret = PTR_ERR(progear_backlight_device);

		goto put_sb;

	}



	platform_set_drvdata(pdev, progear_backlight_device);



	progear_backlight_device->props.power = FB_BLANK_UNBLANK;

	progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;

	progearbl_set_intensity(progear_backlight_device);



	return 0;

put_sb:

	pci_dev_put(sb_dev);

put_pmu:

	pci_dev_put(pmu_dev);

	return ret;

}



static int progearbl_remove(struct platform_device *pdev)

{

	struct backlight_device *bd = platform_get_drvdata(pdev);

	backlight_device_unregister(bd);



	return 0;

}



static struct platform_driver progearbl_driver = {

	.probe = progearbl_probe,

	.remove = progearbl_remove,

	.driver = {

		   .name = "progear-bl",

		   },

};



static struct platform_device *progearbl_device;



static int __init progearbl_init(void)

{

	int ret = platform_driver_register(&progearbl_driver);



	if (ret)

		return ret;

	progearbl_device = platform_device_register_simple("progear-bl", -1,

								NULL, 0);

	if (IS_ERR(progearbl_device)) {

		platform_driver_unregister(&progearbl_driver);

		return PTR_ERR(progearbl_device);

	}



	return 0;

}



static void __exit progearbl_exit(void)

{

	pci_dev_put(pmu_dev);

	pci_dev_put(sb_dev);



	platform_device_unregister(progearbl_device);

	platform_driver_unregister(&progearbl_driver);

}



module_init(progearbl_init);

module_exit(progearbl_exit);



MODULE_AUTHOR("Marcin Juszkiewicz <linux@hrw.one.pl>");

MODULE_DESCRIPTION("ProGear Backlight Driver");

MODULE_LICENSE("GPL");