fbdev: Remove support for Carillo Ranch driver

As far as anybody can tell, this product never shipped.  If it did,
it shipped in 2007 and nobody has access to one any more.  Remove the
fbdev driver and the backlight driver.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Helge Deller <deller@gmx.de>

3 files changed, 0 insertions, 272 deletions

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 51387b1ef012..94d092091b5e 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -235,13 +235,6 @@ config BACKLIGHT_HP700
 	  If you have an HP Jornada 700 series,
 	  say Y to include backlight control driver.
 
-config BACKLIGHT_CARILLO_RANCH
-	tristate "Intel Carillo Ranch Backlight Driver"
-	depends on LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578
-	help
-	  If you have a Intel LE80578 (Carillo Ranch) say Y to enable the
-	  backlight driver.
-
 config BACKLIGHT_PWM
 	tristate "Generic PWM based Backlight Driver"
 	depends on PWM
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index f72e1c3c59e9..67d3ff39be3c 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -25,7 +25,6 @@ obj-$(CONFIG_BACKLIGHT_ADP8870)		+= adp8870_bl.o
 obj-$(CONFIG_BACKLIGHT_APPLE)		+= apple_bl.o
 obj-$(CONFIG_BACKLIGHT_AS3711)		+= as3711_bl.o
 obj-$(CONFIG_BACKLIGHT_BD6107)		+= bd6107.o
-obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH)	+= cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE)	+= backlight.o
 obj-$(CONFIG_BACKLIGHT_DA903X)		+= da903x_bl.o
 obj-$(CONFIG_BACKLIGHT_DA9052)		+= da9052_bl.o
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
deleted file mode 100644
index 781aeecc451d..000000000000
--- a/drivers/video/backlight/cr_bllcd.c
+++ /dev/null
@@ -1,264 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) Intel Corp. 2007.
- * All Rights Reserved.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- * This file is part of the Carillo Ranch video subsystem driver.
- *
- * Authors:
- *   Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
- *   Alan Hourihane <alanh-at-tungstengraphics-dot-com>
- */
-
-#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/lcd.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-/* The LVDS- and panel power controls sits on the
- * GPIO port of the ISA bridge.
- */
-
-#define CRVML_DEVICE_LPC    0x27B8
-#define CRVML_REG_GPIOBAR   0x48
-#define CRVML_REG_GPIOEN    0x4C
-#define CRVML_GPIOEN_BIT    (1 << 4)
-#define CRVML_PANEL_PORT    0x38
-#define CRVML_LVDS_ON       0x00000001
-#define CRVML_PANEL_ON      0x00000002
-#define CRVML_BACKLIGHT_OFF 0x00000004
-
-/* The PLL Clock register sits on Host bridge */
-#define CRVML_DEVICE_MCH   0x5001
-#define CRVML_REG_MCHBAR   0x44
-#define CRVML_REG_MCHEN    0x54
-#define CRVML_MCHEN_BIT    (1 << 28)
-#define CRVML_MCHMAP_SIZE  4096
-#define CRVML_REG_CLOCK    0xc3c
-#define CRVML_CLOCK_SHIFT  8
-#define CRVML_CLOCK_MASK   0x00000f00
-
-static struct pci_dev *lpc_dev;
-static u32 gpio_bar;
-
-struct cr_panel {
-	struct backlight_device *cr_backlight_device;
-	struct lcd_device *cr_lcd_device;
-};
-
-static int cr_backlight_set_intensity(struct backlight_device *bd)
-{
-	u32 addr = gpio_bar + CRVML_PANEL_PORT;
-	u32 cur = inl(addr);
-
-	if (backlight_get_brightness(bd) == 0) {
-		/* OFF */
-		cur |= CRVML_BACKLIGHT_OFF;
-		outl(cur, addr);
-	} else {
-		/* FULL ON */
-		cur &= ~CRVML_BACKLIGHT_OFF;
-		outl(cur, addr);
-	}
-
-	return 0;
-}
-
-static int cr_backlight_get_intensity(struct backlight_device *bd)
-{
-	u32 addr = gpio_bar + CRVML_PANEL_PORT;
-	u32 cur = inl(addr);
-	u8 intensity;
-
-	if (cur & CRVML_BACKLIGHT_OFF)
-		intensity = 0;
-	else
-		intensity = 1;
-
-	return intensity;
-}
-
-static const struct backlight_ops cr_backlight_ops = {
-	.get_brightness = cr_backlight_get_intensity,
-	.update_status = cr_backlight_set_intensity,
-};
-
-static void cr_panel_on(void)
-{
-	u32 addr = gpio_bar + CRVML_PANEL_PORT;
-	u32 cur = inl(addr);
-
-	if (!(cur & CRVML_PANEL_ON)) {
-		/* Make sure LVDS controller is down. */
-		if (cur & 0x00000001) {
-			cur &= ~CRVML_LVDS_ON;
-			outl(cur, addr);
-		}
-		/* Power up Panel */
-		schedule_timeout(HZ / 10);
-		cur |= CRVML_PANEL_ON;
-		outl(cur, addr);
-	}
-
-	/* Power up LVDS controller */
-
-	if (!(cur & CRVML_LVDS_ON)) {
-		schedule_timeout(HZ / 10);
-		outl(cur | CRVML_LVDS_ON, addr);
-	}
-}
-
-static void cr_panel_off(void)
-{
-	u32 addr = gpio_bar + CRVML_PANEL_PORT;
-	u32 cur = inl(addr);
-
-	/* Power down LVDS controller first to avoid high currents */
-	if (cur & CRVML_LVDS_ON) {
-		cur &= ~CRVML_LVDS_ON;
-		outl(cur, addr);
-	}
-	if (cur & CRVML_PANEL_ON) {
-		schedule_timeout(HZ / 10);
-		outl(cur & ~CRVML_PANEL_ON, addr);
-	}
-}
-
-static int cr_lcd_set_power(struct lcd_device *ld, int power)
-{
-	if (power == FB_BLANK_UNBLANK)
-		cr_panel_on();
-	if (power == FB_BLANK_POWERDOWN)
-		cr_panel_off();
-
-	return 0;
-}
-
-static struct lcd_ops cr_lcd_ops = {
-	.set_power = cr_lcd_set_power,
-};
-
-static int cr_backlight_probe(struct platform_device *pdev)
-{
-	struct backlight_properties props;
-	struct backlight_device *bdp;
-	struct lcd_device *ldp;
-	struct cr_panel *crp;
-	u8 dev_en;
-
-	lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
-					CRVML_DEVICE_LPC, NULL);
-	if (!lpc_dev) {
-		pr_err("INTEL CARILLO RANCH LPC not found.\n");
-		return -ENODEV;
-	}
-
-	pci_read_config_byte(lpc_dev, CRVML_REG_GPIOEN, &dev_en);
-	if (!(dev_en & CRVML_GPIOEN_BIT)) {
-		pr_err("Carillo Ranch GPIO device was not enabled.\n");
-		pci_dev_put(lpc_dev);
-		return -ENODEV;
-	}
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.type = BACKLIGHT_RAW;
-	bdp = devm_backlight_device_register(&pdev->dev, "cr-backlight",
-					&pdev->dev, NULL, &cr_backlight_ops,
-					&props);
-	if (IS_ERR(bdp)) {
-		pci_dev_put(lpc_dev);
-		return PTR_ERR(bdp);
-	}
-
-	ldp = devm_lcd_device_register(&pdev->dev, "cr-lcd", &pdev->dev, NULL,
-					&cr_lcd_ops);
-	if (IS_ERR(ldp)) {
-		pci_dev_put(lpc_dev);
-		return PTR_ERR(ldp);
-	}
-
-	pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR,
-			      &gpio_bar);
-	gpio_bar &= ~0x3F;
-
-	crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL);
-	if (!crp) {
-		pci_dev_put(lpc_dev);
-		return -ENOMEM;
-	}
-
-	crp->cr_backlight_device = bdp;
-	crp->cr_lcd_device = ldp;
-	crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK;
-	crp->cr_backlight_device->props.brightness = 0;
-	cr_backlight_set_intensity(crp->cr_backlight_device);
-	cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK);
-
-	platform_set_drvdata(pdev, crp);
-
-	return 0;
-}
-
-static void cr_backlight_remove(struct platform_device *pdev)
-{
-	struct cr_panel *crp = platform_get_drvdata(pdev);
-
-	crp->cr_backlight_device->props.power = FB_BLANK_POWERDOWN;
-	crp->cr_backlight_device->props.brightness = 0;
-	crp->cr_backlight_device->props.max_brightness = 0;
-	cr_backlight_set_intensity(crp->cr_backlight_device);
-	cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN);
-	pci_dev_put(lpc_dev);
-}
-
-static struct platform_driver cr_backlight_driver = {
-	.probe = cr_backlight_probe,
-	.remove_new = cr_backlight_remove,
-	.driver = {
-		   .name = "cr_backlight",
-		   },
-};
-
-static struct platform_device *crp;
-
-static int __init cr_backlight_init(void)
-{
-	int ret = platform_driver_register(&cr_backlight_driver);
-
-	if (ret)
-		return ret;
-
-	crp = platform_device_register_simple("cr_backlight", -1, NULL, 0);
-	if (IS_ERR(crp)) {
-		platform_driver_unregister(&cr_backlight_driver);
-		return PTR_ERR(crp);
-	}
-
-	pr_info("Carillo Ranch Backlight Driver Initialized.\n");
-
-	return 0;
-}
-
-static void __exit cr_backlight_exit(void)
-{
-	platform_device_unregister(crp);
-	platform_driver_unregister(&cr_backlight_driver);
-}
-
-module_init(cr_backlight_init);
-module_exit(cr_backlight_exit);
-
-MODULE_AUTHOR("Tungsten Graphics Inc.");
-MODULE_DESCRIPTION("Carillo Ranch Backlight Driver");
-MODULE_LICENSE("GPL");