[linux-2.6-block.git] / arch / arm / mach-integrator / impd1.c

/*
 *  linux/arch/arm/mach-integrator/impd1.c
 *
 *  Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
 *
 * 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.
 *
 *  This file provides the core support for the IM-PD1 module.
 *
 * Module / boot parameters.
 *   lmid=n   impd1.lmid=n - set the logic module position in stack to 'n'
 */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>

#include <asm/io.h>
#include <asm/hardware/icst525.h>
#include <asm/arch/lm.h>
#include <asm/arch/impd1.h>
#include <asm/sizes.h>

#include "clock.h"

static int module_id;

module_param_named(lmid, module_id, int, 0444);
MODULE_PARM_DESC(lmid, "logic module stack position");

struct impd1_module {
	void __iomem	*base;
	struct clk	vcos[2];
};

static const struct icst525_params impd1_vco_params = {
	.ref		= 24000,	/* 24 MHz */
	.vco_max	= 200000,	/* 200 MHz */
	.vd_min		= 12,
	.vd_max		= 519,
	.rd_min		= 3,
	.rd_max		= 120,
};

static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
{
	struct impd1_module *impd1 = clk->data;
	int vconr = clk - impd1->vcos;
	u32 val;

	val = vco.v | (vco.r << 9) | (vco.s << 16);

	writel(0xa05f, impd1->base + IMPD1_LOCK);
	switch (vconr) {
	case 0:
		writel(val, impd1->base + IMPD1_OSC1);
		break;
	case 1:
		writel(val, impd1->base + IMPD1_OSC2);
		break;
	}
	writel(0, impd1->base + IMPD1_LOCK);

#ifdef DEBUG
	vco.v = val & 0x1ff;
	vco.r = (val >> 9) & 0x7f;
	vco.s = (val >> 16) & 7;

	pr_debug("IM-PD1: VCO%d clock is %ld kHz\n",
		 vconr, icst525_khz(&impd1_vco_params, vco));
#endif
}

void impd1_tweak_control(struct device *dev, u32 mask, u32 val)
{
	struct impd1_module *impd1 = dev_get_drvdata(dev);
	u32 cur;

	val &= mask;
	cur = readl(impd1->base + IMPD1_CTRL) & ~mask;
	writel(cur | val, impd1->base + IMPD1_CTRL);
}

EXPORT_SYMBOL(impd1_tweak_control);

/*
 * CLCD support
 */
#define PANEL		PROSPECTOR

#define LTM10C209		1
#define PROSPECTOR		2
#define SVGA			3
#define VGA			4

#if PANEL == VGA
#define PANELTYPE	vga
static struct clcd_panel vga = {
	.mode		= {
		.name		= "VGA",
		.refresh	= 60,
		.xres		= 640,
		.yres		= 480,
		.pixclock	= 39721,
		.left_margin	= 40,
		.right_margin	= 24,
		.upper_margin	= 32,
		.lower_margin	= 11,
		.hsync_len	= 96,
		.vsync_len	= 2,
		.sync		= 0,
		.vmode		= FB_VMODE_NONINTERLACED,
	},
	.width		= -1,
	.height		= -1,
	.tim2		= TIM2_BCD | TIM2_IPC,
	.cntl		= CNTL_LCDTFT | CNTL_LCDVCOMP(1),
	.connector	= IMPD1_CTRL_DISP_VGA,
	.bpp		= 16,
	.grayscale	= 0,
};

#elif PANEL == SVGA
#define PANELTYPE	svga
static struct clcd_panel svga = {
	.mode		= {
		.name		= "SVGA",
		.refresh	= 0,
		.xres		= 800,
		.yres		= 600,
		.pixclock	= 27778,
		.left_margin	= 20,
		.right_margin	= 20,
		.upper_margin	= 5,
		.lower_margin	= 5,
		.hsync_len	= 164,
		.vsync_len	= 62,
		.sync		= 0,
		.vmode		= FB_VMODE_NONINTERLACED,
	},
	.width		= -1,
	.height		= -1,
	.tim2		= TIM2_BCD,
	.cntl		= CNTL_LCDTFT | CNTL_LCDVCOMP(1),
	.connector	= IMPD1_CTRL_DISP_VGA,
	.bpp		= 16,
	.grayscale	= 0,
};

#elif PANEL == PROSPECTOR
#define PANELTYPE	prospector
static struct clcd_panel prospector = {
	.mode		= {
		.name		= "PROSPECTOR",
		.refresh	= 0,
		.xres		= 640,
		.yres		= 480,
		.pixclock	= 40000,
		.left_margin	= 33,
		.right_margin	= 64,
		.upper_margin	= 36,
		.lower_margin	= 7,
		.hsync_len	= 64,
		.vsync_len	= 25,
		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
		.vmode		= FB_VMODE_NONINTERLACED,
	},
	.width		= -1,
	.height		= -1,
	.tim2		= TIM2_BCD,
	.cntl		= CNTL_LCDTFT | CNTL_LCDVCOMP(1),
	.fixedtimings	= 1,
	.connector	= IMPD1_CTRL_DISP_LCD,
	.bpp		= 16,
	.grayscale	= 0,
};

#elif PANEL == LTM10C209
#define PANELTYPE	ltm10c209
/*
 * Untested.
 */
static struct clcd_panel ltm10c209 = {
	.mode		= {
		.name		= "LTM10C209",
		.refresh	= 0,
		.xres		= 640,
		.yres		= 480,
		.pixclock	= 40000,
		.left_margin	= 20,
		.right_margin	= 20,
		.upper_margin	= 19,
		.lower_margin	= 19,
		.hsync_len	= 20,
		.vsync_len	= 10,
		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
		.vmode		= FB_VMODE_NONINTERLACED,
	},
	.width		= -1,
	.height		= -1,
	.tim2		= TIM2_BCD,
	.cntl		= CNTL_LCDTFT | CNTL_LCDVCOMP(1),
	.fixedtimings	= 1,
	.connector	= IMPD1_CTRL_DISP_LCD,
	.bpp		= 16,
	.grayscale	= 0,
};
#endif

/*
 * Disable all display connectors on the interface module.
 */
static void impd1fb_clcd_disable(struct clcd_fb *fb)
{
	impd1_tweak_control(fb->dev->dev.parent, IMPD1_CTRL_DISP_MASK, 0);
}

/*
 * Enable the relevant connector on the interface module.
 */
static void impd1fb_clcd_enable(struct clcd_fb *fb)
{
	impd1_tweak_control(fb->dev->dev.parent, IMPD1_CTRL_DISP_MASK,
			fb->panel->connector | IMPD1_CTRL_DISP_ENABLE);
}

static int impd1fb_clcd_setup(struct clcd_fb *fb)
{
	unsigned long framebase = fb->dev->res.start + 0x01000000;
	unsigned long framesize = SZ_1M;
	int ret = 0;

	fb->panel = &PANELTYPE;

	if (!request_mem_region(framebase, framesize, "clcd framebuffer")) {
		printk(KERN_ERR "IM-PD1: unable to reserve framebuffer\n");
		return -EBUSY;
	}

	fb->fb.screen_base = ioremap(framebase, framesize);
	if (!fb->fb.screen_base) {
		printk(KERN_ERR "IM-PD1: unable to map framebuffer\n");
		ret = -ENOMEM;
		goto free_buffer;
	}

	fb->fb.fix.smem_start	= framebase;
	fb->fb.fix.smem_len	= framesize;

	return 0;

 free_buffer:
	release_mem_region(framebase, framesize);
	return ret;
}

static int impd1fb_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
{
	unsigned long start, size;

	start = vma->vm_pgoff + (fb->fb.fix.smem_start >> PAGE_SHIFT);
	size = vma->vm_end - vma->vm_start;

	return remap_pfn_range(vma, vma->vm_start, start, size,
			       vma->vm_page_prot);
}

static void impd1fb_clcd_remove(struct clcd_fb *fb)
{
	iounmap(fb->fb.screen_base);
	release_mem_region(fb->fb.fix.smem_start, fb->fb.fix.smem_len);
}

static struct clcd_board impd1_clcd_data = {
	.name		= "IM-PD/1",
	.check		= clcdfb_check,
	.decode		= clcdfb_decode,
	.disable	= impd1fb_clcd_disable,
	.enable		= impd1fb_clcd_enable,
	.setup		= impd1fb_clcd_setup,
	.mmap		= impd1fb_clcd_mmap,
	.remove		= impd1fb_clcd_remove,
};

struct impd1_device {
	unsigned long	offset;
	unsigned int	irq[2];
	unsigned int	id;
	void		*platform_data;
};

static struct impd1_device impd1_devs[] = {
	{
		.offset	= 0x03000000,
		.id	= 0x00041190,
	}, {
		.offset	= 0x00100000,
		.irq	= { 1 },
		.id	= 0x00141011,
	}, {
		.offset	= 0x00200000,
		.irq	= { 2 },
		.id	= 0x00141011,
	}, {
		.offset	= 0x00300000,
		.irq	= { 3 },
		.id	= 0x00041022,
	}, {
		.offset	= 0x00400000,
		.irq	= { 4 },
		.id	= 0x00041061,
	}, {
		.offset	= 0x00500000,
		.irq	= { 5 },
		.id	= 0x00041061,
	}, {
		.offset	= 0x00600000,
		.irq	= { 6 },
		.id	= 0x00041130,
	}, {
		.offset	= 0x00700000,
		.irq	= { 7, 8 },
		.id	= 0x00041181,
	}, {
		.offset	= 0x00800000,
		.irq	= { 9 },
		.id	= 0x00041041,
	}, {
		.offset	= 0x01000000,
		.irq	= { 11 },
		.id	= 0x00041110,
		.platform_data = &impd1_clcd_data,
	}
};

static const char *impd1_vconames[2] = {
	"CLCDCLK",
	"AUXVCO2",
};

static int impd1_probe(struct lm_device *dev)
{
	struct impd1_module *impd1;
	int i, ret;

	if (dev->id != module_id)
		return -EINVAL;

	if (!request_mem_region(dev->resource.start, SZ_4K, "LM registers"))
		return -EBUSY;

	impd1 = kzalloc(sizeof(struct impd1_module), GFP_KERNEL);
	if (!impd1) {
		ret = -ENOMEM;
		goto release_lm;
	}

	impd1->base = ioremap(dev->resource.start, SZ_4K);
	if (!impd1->base) {
		ret = -ENOMEM;
		goto free_impd1;
	}

	lm_set_drvdata(dev, impd1);

	printk("IM-PD1 found at 0x%08lx\n",
		(unsigned long)dev->resource.start);

	for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) {
		impd1->vcos[i].owner = THIS_MODULE,
		impd1->vcos[i].name = impd1_vconames[i],
		impd1->vcos[i].params = &impd1_vco_params,
		impd1->vcos[i].data = impd1,
		impd1->vcos[i].setvco = impd1_setvco;

		clk_register(&impd1->vcos[i]);
	}

	for (i = 0; i < ARRAY_SIZE(impd1_devs); i++) {
		struct impd1_device *idev = impd1_devs + i;
		struct amba_device *d;
		unsigned long pc_base;

		pc_base = dev->resource.start + idev->offset;

		d = kzalloc(sizeof(struct amba_device), GFP_KERNEL);
		if (!d)
			continue;

		snprintf(d->dev.bus_id, sizeof(d->dev.bus_id),
			 "lm%x:%5.5lx", dev->id, idev->offset >> 12);

		d->dev.parent	= &dev->dev;
		d->res.start	= dev->resource.start + idev->offset;
		d->res.end	= d->res.start + SZ_4K - 1;
		d->res.flags	= IORESOURCE_MEM;
		d->irq[0]	= dev->irq;
		d->irq[1]	= dev->irq;
		d->periphid	= idev->id;
		d->dev.platform_data = idev->platform_data;

		ret = amba_device_register(d, &dev->resource);
		if (ret) {
			printk("unable to register device %s: %d\n",
				d->dev.bus_id, ret);
			kfree(d);
		}
	}

	return 0;

 free_impd1:
	if (impd1 && impd1->base)
		iounmap(impd1->base);
	kfree(impd1);
 release_lm:
	release_mem_region(dev->resource.start, SZ_4K);
	return ret;
}

static int impd1_remove_one(struct device *dev, void *data)
{
	device_unregister(dev);
	return 0;
}

static void impd1_remove(struct lm_device *dev)
{
	struct impd1_module *impd1 = lm_get_drvdata(dev);
	int i;

	device_for_each_child(&dev->dev, NULL, impd1_remove_one);

	for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++)
		clk_unregister(&impd1->vcos[i]);

	lm_set_drvdata(dev, NULL);

	iounmap(impd1->base);
	kfree(impd1);
	release_mem_region(dev->resource.start, SZ_4K);
}

static struct lm_driver impd1_driver = {
	.drv = {
		.name	= "impd1",
	},
	.probe		= impd1_probe,
	.remove		= impd1_remove,
};

static int __init impd1_init(void)
{
	return lm_driver_register(&impd1_driver);
}

static void __exit impd1_exit(void)
{
	lm_driver_unregister(&impd1_driver);
}

module_init(impd1_init);
module_exit(impd1_exit);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Integrator/IM-PD1 logic module core driver");
MODULE_AUTHOR("Deep Blue Solutions Ltd");
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-integrator/impd1.c
	3	*
	4	* Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* This file provides the core support for the IM-PD1 module.
	11	*
	12	* Module / boot parameters.
	13	* lmid=n impd1.lmid=n - set the logic module position in stack to 'n'
	14	*/
	15	#include <linux/module.h>
	16	#include <linux/moduleparam.h>
	17	#include <linux/init.h>
	18	#include <linux/device.h>
	19	#include <linux/errno.h>
	20	#include <linux/mm.h>
a62c80e5 RK	21	#include <linux/amba/bus.h>
a62c80e5 RK	22	#include <linux/amba/clcd.h>
1da177e4 LT	23
	24	#include <asm/io.h>
	25	#include <asm/hardware/icst525.h>
1da177e4 LT	26	#include <asm/arch/lm.h>
	27	#include <asm/arch/impd1.h>
	28	#include <asm/sizes.h>
	29
	30	#include "clock.h"
	31
	32	static int module_id;
	33
	34	module_param_named(lmid, module_id, int, 0444);
	35	MODULE_PARM_DESC(lmid, "logic module stack position");
	36
	37	struct impd1_module {
	38	void __iomem *base;
	39	struct clk vcos[2];
	40	};
	41
	42	static const struct icst525_params impd1_vco_params = {
	43	.ref = 24000, /* 24 MHz */
	44	.vco_max = 200000, /* 200 MHz */
	45	.vd_min = 12,
	46	.vd_max = 519,
	47	.rd_min = 3,
	48	.rd_max = 120,
	49	};
	50
	51	static void impd1_setvco(struct clk *clk, struct icst525_vco vco)
	52	{
	53	struct impd1_module *impd1 = clk->data;
	54	int vconr = clk - impd1->vcos;
	55	u32 val;
	56
	57	val = vco.v \| (vco.r << 9) \| (vco.s << 16);
	58
	59	writel(0xa05f, impd1->base + IMPD1_LOCK);
	60	switch (vconr) {
	61	case 0:
	62	writel(val, impd1->base + IMPD1_OSC1);
	63	break;
	64	case 1:
	65	writel(val, impd1->base + IMPD1_OSC2);
	66	break;
	67	}
	68	writel(0, impd1->base + IMPD1_LOCK);
	69
d1856637	70	#ifdef DEBUG
1da177e4 LT	71	vco.v = val & 0x1ff;
	72	vco.r = (val >> 9) & 0x7f;
	73	vco.s = (val >> 16) & 7;
	74
	75	pr_debug("IM-PD1: VCO%d clock is %ld kHz\n",
	76	vconr, icst525_khz(&impd1_vco_params, vco));
	77	#endif
	78	}
	79
	80	void impd1_tweak_control(struct device *dev, u32 mask, u32 val)
	81	{
	82	struct impd1_module *impd1 = dev_get_drvdata(dev);
	83	u32 cur;
	84
	85	val &= mask;
	86	cur = readl(impd1->base + IMPD1_CTRL) & ~mask;
	87	writel(cur \| val, impd1->base + IMPD1_CTRL);
	88	}
	89
	90	EXPORT_SYMBOL(impd1_tweak_control);
	91
	92	/*
	93	* CLCD support
	94	*/
	95	#define PANEL PROSPECTOR
	96
	97	#define LTM10C209 1
	98	#define PROSPECTOR 2
	99	#define SVGA 3
	100	#define VGA 4
	101
	102	#if PANEL == VGA
	103	#define PANELTYPE vga
	104	static struct clcd_panel vga = {
	105	.mode = {
	106	.name = "VGA",
	107	.refresh = 60,
	108	.xres = 640,
	109	.yres = 480,
	110	.pixclock = 39721,
	111	.left_margin = 40,
	112	.right_margin = 24,
	113	.upper_margin = 32,
	114	.lower_margin = 11,
	115	.hsync_len = 96,
	116	.vsync_len = 2,
	117	.sync = 0,
	118	.vmode = FB_VMODE_NONINTERLACED,
	119	},
	120	.width = -1,
	121	.height = -1,
	122	.tim2 = TIM2_BCD \| TIM2_IPC,
	123	.cntl = CNTL_LCDTFT \| CNTL_LCDVCOMP(1),
	124	.connector = IMPD1_CTRL_DISP_VGA,
	125	.bpp = 16,
	126	.grayscale = 0,
	127	};
	128
	129	#elif PANEL == SVGA
	130	#define PANELTYPE svga
	131	static struct clcd_panel svga = {
	132	.mode = {
	133	.name = "SVGA",
	134	.refresh = 0,
135	.xres = 800,
136	.yres = 600,
137	.pixclock = 27778,
138	.left_margin = 20,
139	.right_margin = 20,
140	.upper_margin = 5,
141	.lower_margin = 5,
142	.hsync_len = 164,
143	.vsync_len = 62,
144	.sync = 0,
145	.vmode = FB_VMODE_NONINTERLACED,
146	},
147	.width = -1,
148	.height = -1,
149	.tim2 = TIM2_BCD,
150	.cntl = CNTL_LCDTFT \| CNTL_LCDVCOMP(1),
151	.connector = IMPD1_CTRL_DISP_VGA,
152	.bpp = 16,
153	.grayscale = 0,
154	};
155
156	#elif PANEL == PROSPECTOR
157	#define PANELTYPE prospector
158	static struct clcd_panel prospector = {
159	.mode = {
160	.name = "PROSPECTOR",
161	.refresh = 0,
162	.xres = 640,
163	.yres = 480,
164	.pixclock = 40000,
165	.left_margin = 33,
166	.right_margin = 64,
167	.upper_margin = 36,
168	.lower_margin = 7,
169	.hsync_len = 64,
170	.vsync_len = 25,
171	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
172	.vmode = FB_VMODE_NONINTERLACED,
173	},
174	.width = -1,
175	.height = -1,
176	.tim2 = TIM2_BCD,
177	.cntl = CNTL_LCDTFT \| CNTL_LCDVCOMP(1),
178	.fixedtimings = 1,
179	.connector = IMPD1_CTRL_DISP_LCD,
180	.bpp = 16,
181	.grayscale = 0,
182	};
183
184	#elif PANEL == LTM10C209
185	#define PANELTYPE ltm10c209
186	/*
187	* Untested.
188	*/
189	static struct clcd_panel ltm10c209 = {
190	.mode = {
191	.name = "LTM10C209",
192	.refresh = 0,
193	.xres = 640,
194	.yres = 480,
195	.pixclock = 40000,
196	.left_margin = 20,
197	.right_margin = 20,
198	.upper_margin = 19,
199	.lower_margin = 19,
200	.hsync_len = 20,
201	.vsync_len = 10,
202	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
203	.vmode = FB_VMODE_NONINTERLACED,
204	},
205	.width = -1,
206	.height = -1,
207	.tim2 = TIM2_BCD,
208	.cntl = CNTL_LCDTFT \| CNTL_LCDVCOMP(1),
209	.fixedtimings = 1,
210	.connector = IMPD1_CTRL_DISP_LCD,
211	.bpp = 16,
212	.grayscale = 0,
213	};
214	#endif
215
216	/*
217	* Disable all display connectors on the interface module.
218	*/
219	static void impd1fb_clcd_disable(struct clcd_fb *fb)
220	{
221	impd1_tweak_control(fb->dev->dev.parent, IMPD1_CTRL_DISP_MASK, 0);
222	}
223
224	/*
225	* Enable the relevant connector on the interface module.
226	*/
227	static void impd1fb_clcd_enable(struct clcd_fb *fb)
228	{
229	impd1_tweak_control(fb->dev->dev.parent, IMPD1_CTRL_DISP_MASK,
230	fb->panel->connector \| IMPD1_CTRL_DISP_ENABLE);
231	}
232
233	static int impd1fb_clcd_setup(struct clcd_fb *fb)
234	{
235	unsigned long framebase = fb->dev->res.start + 0x01000000;
236	unsigned long framesize = SZ_1M;
237	int ret = 0;
238
239	fb->panel = &PANELTYPE;
240
241	if (!request_mem_region(framebase, framesize, "clcd framebuffer")) {
242	printk(KERN_ERR "IM-PD1: unable to reserve framebuffer\n");
243	return -EBUSY;
244	}
245
246	fb->fb.screen_base = ioremap(framebase, framesize);
247	if (!fb->fb.screen_base) {
248	printk(KERN_ERR "IM-PD1: unable to map framebuffer\n");
249	ret = -ENOMEM;
250	goto free_buffer;
251	}
252
253	fb->fb.fix.smem_start = framebase;
254	fb->fb.fix.smem_len = framesize;
255
256	return 0;
257
258	free_buffer:
259	release_mem_region(framebase, framesize);
260	return ret;
261	}
262
263	static int impd1fb_clcd_mmap(struct clcd_fb fb, struct vm_area_struct vma)
264	{
265	unsigned long start, size;
266
267	start = vma->vm_pgoff + (fb->fb.fix.smem_start >> PAGE_SHIFT);
268	size = vma->vm_end - vma->vm_start;
269
270	return remap_pfn_range(vma, vma->vm_start, start, size,
271	vma->vm_page_prot);
272	}
273
274	static void impd1fb_clcd_remove(struct clcd_fb *fb)
275	{
276	iounmap(fb->fb.screen_base);
277	release_mem_region(fb->fb.fix.smem_start, fb->fb.fix.smem_len);
278	}
279
280	static struct clcd_board impd1_clcd_data = {
281	.name = "IM-PD/1",
282	.check = clcdfb_check,
283	.decode = clcdfb_decode,
284	.disable = impd1fb_clcd_disable,
285	.enable = impd1fb_clcd_enable,
286	.setup = impd1fb_clcd_setup,
287	.mmap = impd1fb_clcd_mmap,
288	.remove = impd1fb_clcd_remove,
289	};
290
291	struct impd1_device {
292	unsigned long offset;
293	unsigned int irq[2];
294	unsigned int id;
295	void *platform_data;
296	};
297
298	static struct impd1_device impd1_devs[] = {
299	{
300	.offset = 0x03000000,
301	.id = 0x00041190,
302	}, {
303	.offset = 0x00100000,
304	.irq = { 1 },
305	.id = 0x00141011,
306	}, {
307	.offset = 0x00200000,
308	.irq = { 2 },
309	.id = 0x00141011,
310	}, {
311	.offset = 0x00300000,
312	.irq = { 3 },
313	.id = 0x00041022,
314	}, {
315	.offset = 0x00400000,
316	.irq = { 4 },
317	.id = 0x00041061,
318	}, {
319	.offset = 0x00500000,
320	.irq = { 5 },
321	.id = 0x00041061,
322	}, {
323	.offset = 0x00600000,
324	.irq = { 6 },
325	.id = 0x00041130,
326	}, {
327	.offset = 0x00700000,
328	.irq = { 7, 8 },
329	.id = 0x00041181,
330	}, {
331	.offset = 0x00800000,
332	.irq = { 9 },
333	.id = 0x00041041,
334	}, {
335	.offset = 0x01000000,
336	.irq = { 11 },
337	.id = 0x00041110,
338	.platform_data = &impd1_clcd_data,
339	}
340	};
341
342	static const char *impd1_vconames[2] = {
343	"CLCDCLK",
344	"AUXVCO2",
345	};
346
347	static int impd1_probe(struct lm_device *dev)
348	{
349	struct impd1_module *impd1;
350	int i, ret;
351
352	if (dev->id != module_id)
353	return -EINVAL;
354
355	if (!request_mem_region(dev->resource.start, SZ_4K, "LM registers"))
356	return -EBUSY;
357
d2a02b93	358	impd1 = kzalloc(sizeof(struct impd1_module), GFP_KERNEL);
1da177e4 LT	359	if (!impd1) {
	360	ret = -ENOMEM;
	361	goto release_lm;
	362	}
1da177e4 LT	363
	364	impd1->base = ioremap(dev->resource.start, SZ_4K);
	365	if (!impd1->base) {
	366	ret = -ENOMEM;
	367	goto free_impd1;
	368	}
	369
	370	lm_set_drvdata(dev, impd1);
	371
7c28472a RK	372	printk("IM-PD1 found at 0x%08lx\n",
7c28472a RK	373	(unsigned long)dev->resource.start);
1da177e4 LT	374
	375	for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) {
	376	impd1->vcos[i].owner = THIS_MODULE,
	377	impd1->vcos[i].name = impd1_vconames[i],
	378	impd1->vcos[i].params = &impd1_vco_params,
	379	impd1->vcos[i].data = impd1,
	380	impd1->vcos[i].setvco = impd1_setvco;
	381
	382	clk_register(&impd1->vcos[i]);
	383	}
	384
	385	for (i = 0; i < ARRAY_SIZE(impd1_devs); i++) {
	386	struct impd1_device *idev = impd1_devs + i;
	387	struct amba_device *d;
	388	unsigned long pc_base;
	389
	390	pc_base = dev->resource.start + idev->offset;
	391
d2a02b93	392	d = kzalloc(sizeof(struct amba_device), GFP_KERNEL);
1da177e4 LT	393	if (!d)
	394	continue;
	395
1da177e4 LT	396	snprintf(d->dev.bus_id, sizeof(d->dev.bus_id),
	397	"lm%x:%5.5lx", dev->id, idev->offset >> 12);
	398
	399	d->dev.parent = &dev->dev;
	400	d->res.start = dev->resource.start + idev->offset;
	401	d->res.end = d->res.start + SZ_4K - 1;
	402	d->res.flags = IORESOURCE_MEM;
	403	d->irq[0] = dev->irq;
	404	d->irq[1] = dev->irq;
	405	d->periphid = idev->id;
	406	d->dev.platform_data = idev->platform_data;
	407
	408	ret = amba_device_register(d, &dev->resource);
	409	if (ret) {
	410	printk("unable to register device %s: %d\n",
	411	d->dev.bus_id, ret);
	412	kfree(d);
	413	}
	414	}
	415
	416	return 0;
	417
	418	free_impd1:
	419	if (impd1 && impd1->base)
	420	iounmap(impd1->base);
b2325fe1	421	kfree(impd1);
1da177e4 LT	422	release_lm:
	423	release_mem_region(dev->resource.start, SZ_4K);
	424	return ret;
	425	}
	426
d1856637 RK	427	static int impd1_remove_one(struct device dev, void data)
	428	{
	429	device_unregister(dev);
	430	return 0;
	431	}
	432
1da177e4 LT	433	static void impd1_remove(struct lm_device *dev)
	434	{
	435	struct impd1_module *impd1 = lm_get_drvdata(dev);
1da177e4 LT	436	int i;
1da177e4 LT	437
d1856637	438	device_for_each_child(&dev->dev, NULL, impd1_remove_one);
1da177e4 LT	439
	440	for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++)
	441	clk_unregister(&impd1->vcos[i]);
	442
	443	lm_set_drvdata(dev, NULL);
	444
	445	iounmap(impd1->base);
	446	kfree(impd1);
	447	release_mem_region(dev->resource.start, SZ_4K);
	448	}
	449
	450	static struct lm_driver impd1_driver = {
	451	.drv = {
	452	.name = "impd1",
	453	},
	454	.probe = impd1_probe,
	455	.remove = impd1_remove,
	456	};
	457
	458	static int __init impd1_init(void)
	459	{
	460	return lm_driver_register(&impd1_driver);
	461	}
	462
	463	static void __exit impd1_exit(void)
	464	{
	465	lm_driver_unregister(&impd1_driver);
	466	}
	467
	468	module_init(impd1_init);
	469	module_exit(impd1_exit);
	470
	471	MODULE_LICENSE("GPL");
	472	MODULE_DESCRIPTION("Integrator/IM-PD1 logic module core driver");
	473	MODULE_AUTHOR("Deep Blue Solutions Ltd");