fbdev: add BF52x EZkit Display driver (99eeed47) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/video/Kconfig

+13 −0

Original line number	Diff line number	Diff line
		@@ -553,6 +553,19 @@ config FB_BF54X_LQ043
		help
		This is the framebuffer device driver for a SHARP LQ043T1DG01 TFT LCD

		config FB_BFIN_T350MCQB
		tristate "Varitronix COG-T350MCQB TFT LCD display (BF527 EZKIT)"
		depends on FB && BLACKFIN
		select BFIN_GPTIMERS
		select FB_CFB_FILLRECT
		select FB_CFB_COPYAREA
		select FB_CFB_IMAGEBLIT
		help
		This is the framebuffer device driver for a Varitronix VL-PS-COG-T350MCQB-01 display TFT LCD
		This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI
		It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK.


		config FB_STI
		tristate "HP STI frame buffer device support"
		depends on FB && PARISC

drivers/video/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -122,6 +122,7 @@ obj-$(CONFIG_FB_EFI) += efifb.o
		obj-$(CONFIG_FB_VGA16) += vga16fb.o
		obj-$(CONFIG_FB_OF) += offb.o
		obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o
		obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o

		# the test framebuffer is last
		obj-$(CONFIG_FB_VIRTUAL) += vfb.o

drivers/video/bfin-t350mcqb-fb.c

0 → 100644

+685 −0

Original line number	Diff line number	Diff line
		/*
		* File: drivers/video/bfin-t350mcqb-fb.c
		* Based on:
		* Author: Michael Hennerich <hennerich@blackfin.uclinux.org>
		*
		* Created:
		* Description: Blackfin LCD Framebufer driver
		*
		*
		* Modified:
		* Copyright 2004-2007 Analog Devices Inc.
		*
		* Bugs: Enter bugs at http://blackfin.uclinux.org/
		*
		* 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, see the file COPYING, or write
		* to the Free Software Foundation, Inc.,
		* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
		*/

		#include <linux/module.h>
		#include <linux/kernel.h>
		#include <linux/errno.h>
		#include <linux/string.h>
		#include <linux/fb.h>
		#include <linux/init.h>
		#include <linux/types.h>
		#include <linux/interrupt.h>
		#include <linux/device.h>
		#include <linux/backlight.h>
		#include <linux/lcd.h>
		#include <linux/dma-mapping.h>
		#include <linux/platform_device.h>

		#include <asm/blackfin.h>
		#include <asm/irq.h>
		#include <asm/dma-mapping.h>
		#include <asm/dma.h>
		#include <asm/portmux.h>
		#include <asm/gptimers.h>

		#define NO_BL_SUPPORT

		#define LCD_X_RES 320 /* Horizontal Resolution */
		#define LCD_Y_RES 240 /* Vertical Resolution */
		#define LCD_BPP 24 /* Bit Per Pixel */

		#define DMA_BUS_SIZE 16
		#define LCD_CLK (1210001000) /* 12MHz */

		#define CLOCKS_PER_PIX 3

		/*
		* HS and VS timing parameters (all in number of PPI clk ticks)
		*/

		#define U_LINE 1 /* Blanking Lines */

		#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */
		#define H_PERIOD (408 * CLOCKS_PER_PIX) /* HS period */
		#define H_PULSE 90 /* HS pulse width */
		#define H_START 204 /* first valid pixel */

		#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */
		#define V_PULSE (3 * H_PERIOD) /* VS pulse width (1-5 H_PERIODs) */
		#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */

		#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX)

		#define BFIN_LCD_NBR_PALETTE_ENTRIES 256

		#define DRIVER_NAME "bfin-t350mcqb"
		static char driver_name[] = DRIVER_NAME;

		struct bfin_t350mcqbfb_info {
		struct fb_info *fb;
		struct device *dev;
		unsigned char fb_buffer; / RGB Buffer */
		dma_addr_t dma_handle;
		int lq043_mmap;
		int lq043_open_cnt;
		int irq;
		spinlock_t lock; /* lock */
		};

		static int nocursor;
		module_param(nocursor, int, 0644);
		MODULE_PARM_DESC(nocursor, "cursor enable/disable");

		#define PPI_TX_MODE 0x2
		#define PPI_XFER_TYPE_11 0xC
		#define PPI_PORT_CFG_01 0x10
		#define PPI_PACK_EN 0x80
		#define PPI_POLS_1 0x8000

		static void bfin_t350mcqb_config_ppi(struct bfin_t350mcqbfb_info *fbi)
		{
		bfin_write_PPI_DELAY(H_START);
		bfin_write_PPI_COUNT(H_ACTPIX-1);
		bfin_write_PPI_FRAME(V_LINES);

		bfin_write_PPI_CONTROL(PPI_TX_MODE \| /* output mode , PORT_DIR */
		PPI_XFER_TYPE_11 \| /* sync mode XFR_TYPE */
		PPI_PORT_CFG_01 \| /* two frame sync PORT_CFG */
		PPI_PACK_EN \| /* packing enabled PACK_EN */
		PPI_POLS_1); /* faling edge syncs POLS */
		}

		static inline void bfin_t350mcqb_disable_ppi(void)
		{
		bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
		}

		static inline void bfin_t350mcqb_enable_ppi(void)
		{
		bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() \| PORT_EN);
		}

		static void bfin_t350mcqb_start_timers(void)
		{
		unsigned long flags;

		local_irq_save(flags);
		enable_gptimers(TIMER1bit);
		enable_gptimers(TIMER0bit);
		local_irq_restore(flags);
		}

		static void bfin_t350mcqb_stop_timers(void)
		{
		disable_gptimers(TIMER0bit \| TIMER1bit);

		set_gptimer_status(0, TIMER_STATUS_TRUN0 \| TIMER_STATUS_TRUN1 \|
		TIMER_STATUS_TIMIL0 \| TIMER_STATUS_TIMIL1 \|
		TIMER_STATUS_TOVF0 \| TIMER_STATUS_TOVF1);

		}

		static void bfin_t350mcqb_init_timers(void)
		{

		bfin_t350mcqb_stop_timers();

		set_gptimer_period(TIMER0_id, H_PERIOD);
		set_gptimer_pwidth(TIMER0_id, H_PULSE);
		set_gptimer_config(TIMER0_id, TIMER_MODE_PWM \| TIMER_PERIOD_CNT \|
		TIMER_TIN_SEL \| TIMER_CLK_SEL\|
		TIMER_EMU_RUN);

		set_gptimer_period(TIMER1_id, V_PERIOD);
		set_gptimer_pwidth(TIMER1_id, V_PULSE);
		set_gptimer_config(TIMER1_id, TIMER_MODE_PWM \| TIMER_PERIOD_CNT \|
		TIMER_TIN_SEL \| TIMER_CLK_SEL \|
		TIMER_EMU_RUN);

		}

		static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi)
		{

		set_dma_config(CH_PPI,
		set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO,
		INTR_DISABLE, DIMENSION_2D,
		DATA_SIZE_16,
		DMA_NOSYNC_KEEP_DMA_BUF));
		set_dma_x_count(CH_PPI, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE);
		set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8);
		set_dma_y_count(CH_PPI, V_LINES);

		set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8);
		set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer);

		}

		static int bfin_t350mcqb_request_ports(int action)
		{
		u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
		P_PPI0_D0, P_PPI0_D1, P_PPI0_D2,
		P_PPI0_D3, P_PPI0_D4, P_PPI0_D5,
		P_PPI0_D6, P_PPI0_D7, 0};

		if (action) {
		if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) {
		printk(KERN_ERR "Requesting Peripherals faild\n");
		return -EFAULT;
		}
		} else
		peripheral_free_list(ppi0_req_8);

		return 0;
		}

		static int bfin_t350mcqb_fb_open(struct fb_info *info, int user)
		{
		struct bfin_t350mcqbfb_info *fbi = info->par;

		spin_lock(&fbi->lock);
		fbi->lq043_open_cnt++;

		if (fbi->lq043_open_cnt <= 1) {

		bfin_t350mcqb_disable_ppi();
		SSYNC();

		bfin_t350mcqb_config_dma(fbi);
		bfin_t350mcqb_config_ppi(fbi);
		bfin_t350mcqb_init_timers();

		/* start dma */
		enable_dma(CH_PPI);
		bfin_t350mcqb_enable_ppi();
		bfin_t350mcqb_start_timers();
		}

		spin_unlock(&fbi->lock);

		return 0;
		}

		static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
		{
		struct bfin_t350mcqbfb_info *fbi = info->par;

		spin_lock(&fbi->lock);

		fbi->lq043_open_cnt--;
		fbi->lq043_mmap = 0;

		if (fbi->lq043_open_cnt <= 0) {
		bfin_t350mcqb_disable_ppi();
		SSYNC();
		disable_dma(CH_PPI);
		bfin_t350mcqb_stop_timers();
		memset(fbi->fb_buffer, 0, info->fix.smem_len);
		}

		spin_unlock(&fbi->lock);

		return 0;
		}

		static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
		struct fb_info *info)
		{

		if (var->bits_per_pixel != LCD_BPP) {
		pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__,
		var->bits_per_pixel);
		return -EINVAL;
		}

		if (info->var.xres != var->xres \|\| info->var.yres != var->yres \|\|
		info->var.xres_virtual != var->xres_virtual \|\|
		info->var.yres_virtual != var->yres_virtual) {
		pr_debug("%s: Resolution not supported: X%u x Y%u \n",
		__FUNCTION__, var->xres, var->yres);
		return -EINVAL;
		}

		/*
		* Memory limit
		*/

		if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
		pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
		__FUNCTION__, var->yres_virtual);
		return -ENOMEM;
		}

		return 0;
		}

		static int bfin_t350mcqb_fb_mmap(struct fb_info info, struct vm_area_struct vma)
		{
		struct bfin_t350mcqbfb_info *fbi = info->par;

		if (fbi->lq043_mmap)
		return -1;

		spin_lock(&fbi->lock);
		fbi->lq043_mmap = 1;
		spin_unlock(&fbi->lock);

		vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET);

		vma->vm_end = vma->vm_start + info->fix.smem_len;
		/* For those who don't understand how mmap works, go read
		* Documentation/nommu-mmap.txt.
		* For those that do, you will know that the VM_MAYSHARE flag
		* must be set in the vma->vm_flags structure on noMMU
		* Other flags can be set, and are documented in
		* include/linux/mm.h
		*/
		vma->vm_flags \|= VM_MAYSHARE;

		return 0;
		}

		int bfin_t350mcqb_fb_cursor(struct fb_info info, struct fb_cursor cursor)
		{
		if (nocursor)
		return 0;
		else
		return -EINVAL; /* just to force soft_cursor() call */
		}

		static int bfin_t350mcqb_fb_setcolreg(u_int regno, u_int red, u_int green,
		u_int blue, u_int transp,
		struct fb_info *info)
		{
		if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES)
		return -EINVAL;

		if (info->var.grayscale) {
		/* grayscale = 0.30R + 0.59G + 0.11B /
		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
		}

		if (info->fix.visual == FB_VISUAL_TRUECOLOR) {

		u32 value;
		/* Place color in the pseudopalette */
		if (regno > 16)
		return -EINVAL;

		red >>= (16 - info->var.red.length);
		green >>= (16 - info->var.green.length);
		blue >>= (16 - info->var.blue.length);

		value = (red << info->var.red.offset) \|
		(green << info->var.green.offset) \|
		(blue << info->var.blue.offset);
		value &= 0xFFFFFF;

		((u32 *) (info->pseudo_palette))[regno] = value;

		}

		return 0;
		}

		static struct fb_ops bfin_t350mcqb_fb_ops = {
		.owner = THIS_MODULE,
		.fb_open = bfin_t350mcqb_fb_open,
		.fb_release = bfin_t350mcqb_fb_release,
		.fb_check_var = bfin_t350mcqb_fb_check_var,
		.fb_fillrect = cfb_fillrect,
		.fb_copyarea = cfb_copyarea,
		.fb_imageblit = cfb_imageblit,
		.fb_mmap = bfin_t350mcqb_fb_mmap,
		.fb_cursor = bfin_t350mcqb_fb_cursor,
		.fb_setcolreg = bfin_t350mcqb_fb_setcolreg,
		};

		#ifndef NO_BL_SUPPORT
		static int bl_get_brightness(struct backlight_device *bd)
		{
		return 0;
		}

		static struct backlight_ops bfin_lq043fb_bl_ops = {
		.get_brightness = bl_get_brightness,
		};

		static struct backlight_device *bl_dev;

		static int bfin_lcd_get_power(struct lcd_device *dev)
		{
		return 0;
		}

		static int bfin_lcd_set_power(struct lcd_device *dev, int power)
		{
		return 0;
		}

		static int bfin_lcd_get_contrast(struct lcd_device *dev)
		{
		return 0;
		}

		static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
		{

		return 0;
		}

		static int bfin_lcd_check_fb(struct fb_info *fi)
		{
		if (!fi \|\| (fi == &bfin_t350mcqb_fb))
		return 1;
		return 0;
		}

		static struct lcd_ops bfin_lcd_ops = {
		.get_power = bfin_lcd_get_power,
		.set_power = bfin_lcd_set_power,
		.get_contrast = bfin_lcd_get_contrast,
		.set_contrast = bfin_lcd_set_contrast,
		.check_fb = bfin_lcd_check_fb,
		};

		static struct lcd_device *lcd_dev;
		#endif

		static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
		{
		/struct bfin_t350mcqbfb_info info = (struct bfin_t350mcqbfb_info )dev_id;/

		u16 status = bfin_read_PPI_STATUS();
		bfin_write_PPI_STATUS(0xFFFF);

		if (status) {
		bfin_t350mcqb_disable_ppi();
		disable_dma(CH_PPI);

		/* start dma */
		enable_dma(CH_PPI);
		bfin_t350mcqb_enable_ppi();
		bfin_write_PPI_STATUS(0xFFFF);
		}

		return IRQ_HANDLED;
		}

		static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
		{
		struct bfin_t350mcqbfb_info *info;
		struct fb_info *fbinfo;
		int ret;

		printk(KERN_INFO DRIVER_NAME ": %dx%d %d-bit RGB FrameBuffer initializing...\n",
		LCD_X_RES, LCD_Y_RES, LCD_BPP);

		if (request_dma(CH_PPI, "CH_PPI") < 0) {
		printk(KERN_ERR DRIVER_NAME
		": couldn't request CH_PPI DMA\n");
		ret = -EFAULT;
		goto out1;
		}

		fbinfo =
		framebuffer_alloc(sizeof(struct bfin_t350mcqbfb_info), &pdev->dev);
		if (!fbinfo) {
		ret = -ENOMEM;
		goto out2;
		}

		info = fbinfo->par;
		info->fb = fbinfo;
		info->dev = &pdev->dev;

		platform_set_drvdata(pdev, fbinfo);

		strcpy(fbinfo->fix.id, driver_name);

		fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
		fbinfo->fix.type_aux = 0;
		fbinfo->fix.xpanstep = 0;
		fbinfo->fix.ypanstep = 0;
		fbinfo->fix.ywrapstep = 0;
		fbinfo->fix.accel = FB_ACCEL_NONE;
		fbinfo->fix.visual = FB_VISUAL_TRUECOLOR;

		fbinfo->var.nonstd = 0;
		fbinfo->var.activate = FB_ACTIVATE_NOW;
		fbinfo->var.height = -1;
		fbinfo->var.width = -1;
		fbinfo->var.accel_flags = 0;
		fbinfo->var.vmode = FB_VMODE_NONINTERLACED;

		fbinfo->var.xres = LCD_X_RES;
		fbinfo->var.xres_virtual = LCD_X_RES;
		fbinfo->var.yres = LCD_Y_RES;
		fbinfo->var.yres_virtual = LCD_Y_RES;
		fbinfo->var.bits_per_pixel = LCD_BPP;

		fbinfo->var.red.offset = 0;
		fbinfo->var.green.offset = 8;
		fbinfo->var.blue.offset = 16;
		fbinfo->var.transp.offset = 0;
		fbinfo->var.red.length = 8;
		fbinfo->var.green.length = 8;
		fbinfo->var.blue.length = 8;
		fbinfo->var.transp.length = 0;
		fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8;

		fbinfo->fix.line_length = fbinfo->var.xres_virtual *
		fbinfo->var.bits_per_pixel / 8;


		fbinfo->fbops = &bfin_t350mcqb_fb_ops;
		fbinfo->flags = FBINFO_FLAG_DEFAULT;

		info->fb_buffer =
		dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
		GFP_KERNEL);

		if (NULL == info->fb_buffer) {
		printk(KERN_ERR DRIVER_NAME
		": couldn't allocate dma buffer.\n");
		ret = -ENOMEM;
		goto out3;
		}

		memset(info->fb_buffer, 0, fbinfo->fix.smem_len);

		fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
		fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;

		fbinfo->fbops = &bfin_t350mcqb_fb_ops;

		fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
		if (!fbinfo->pseudo_palette) {
		printk(KERN_ERR DRIVER_NAME
		"Fail to allocate pseudo_palette\n");

		ret = -ENOMEM;
		goto out4;
		}

		memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16);

		if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0)
		< 0) {
		printk(KERN_ERR DRIVER_NAME
		"Fail to allocate colormap (%d entries)\n",
		BFIN_LCD_NBR_PALETTE_ENTRIES);
		ret = -EFAULT;
		goto out5;
		}

		if (bfin_t350mcqb_request_ports(1)) {
		printk(KERN_ERR DRIVER_NAME ": couldn't request gpio port.\n");
		ret = -EFAULT;
		goto out6;
		}

		info->irq = platform_get_irq(pdev, 0);
		if (info->irq < 0) {
		ret = -EINVAL;
		goto out7;
		}

		if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED,
		"PPI ERROR", info) < 0) {
		printk(KERN_ERR DRIVER_NAME
		": unable to request PPI ERROR IRQ\n");
		ret = -EFAULT;
		goto out7;
		}

		if (register_framebuffer(fbinfo) < 0) {
		printk(KERN_ERR DRIVER_NAME
		": unable to register framebuffer.\n");
		ret = -EINVAL;
		goto out8;
		}
		#ifndef NO_BL_SUPPORT
		bl_dev =
		backlight_device_register("bf52x-bl", NULL, NULL,
		&bfin_lq043fb_bl_ops);
		bl_dev->props.max_brightness = 255;

		lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
		lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
		#endif

		return 0;

		out8:
		free_irq(info->irq, info);
		out7:
		bfin_t350mcqb_request_ports(0);
		out6:
		fb_dealloc_cmap(&fbinfo->cmap);
		out5:
		kfree(fbinfo->pseudo_palette);
		out4:
		dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
		info->dma_handle);
		out3:
		framebuffer_release(fbinfo);
		out2:
		free_dma(CH_PPI);
		out1:
		platform_set_drvdata(pdev, NULL);

		return ret;
		}

		static int bfin_t350mcqb_remove(struct platform_device *pdev)
		{

		struct fb_info *fbinfo = platform_get_drvdata(pdev);
		struct bfin_t350mcqbfb_info *info = fbinfo->par;

		free_dma(CH_PPI);
		free_irq(info->irq, info);

		if (info->fb_buffer != NULL)
		dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
		info->dma_handle);

		kfree(fbinfo->pseudo_palette);
		fb_dealloc_cmap(&fbinfo->cmap);

		#ifndef NO_BL_SUPPORT
		lcd_device_unregister(lcd_dev);
		backlight_device_unregister(bl_dev);
		#endif

		unregister_framebuffer(fbinfo);

		bfin_t350mcqb_request_ports(0);

		printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n");

		return 0;
		}

		#ifdef CONFIG_PM
		static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
		{
		struct fb_info *fbinfo = platform_get_drvdata(pdev);
		struct bfin_t350mcqbfb_info *info = fbinfo->par;

		bfin_t350mcqb_disable_ppi();
		disable_dma(CH_PPI);
		bfin_write_PPI_STATUS(0xFFFF);

		return 0;
		}

		static int bfin_t350mcqb_resume(struct platform_device *pdev)
		{
		struct fb_info *fbinfo = platform_get_drvdata(pdev);
		struct bfin_t350mcqbfb_info *info = fbinfo->par;

		enable_dma(CH_PPI);
		bfin_t350mcqb_enable_ppi();

		return 0;
		}
		#else
		#define bfin_t350mcqb_suspend NULL
		#define bfin_t350mcqb_resume NULL
		#endif

		static struct platform_driver bfin_t350mcqb_driver = {
		.probe = bfin_t350mcqb_probe,
		.remove = bfin_t350mcqb_remove,
		.suspend = bfin_t350mcqb_suspend,
		.resume = bfin_t350mcqb_resume,
		.driver = {
		.name = DRIVER_NAME,
		.owner = THIS_MODULE,
		},
		};

		static int __devinit bfin_t350mcqb_driver_init(void)
		{
		return platform_driver_register(&bfin_t350mcqb_driver);
		}

		static void __exit bfin_t350mcqb_driver_cleanup(void)
		{
		platform_driver_unregister(&bfin_t350mcqb_driver);
		}

		MODULE_DESCRIPTION("Blackfin TFT LCD Driver");
		MODULE_LICENSE("GPL");

		module_init(bfin_t350mcqb_driver_init);
		module_exit(bfin_t350mcqb_driver_cleanup);