video: move fbdev to drivers/video/fbdev

The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.

Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.

No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 0 insertions, 1059 deletions

diff --git a/drivers/video/omap/hwa742.c b/drivers/video/omap/hwa742.c
deleted file mode 100644
index a4ee65b..0000000
--- a/drivers/video/omap/hwa742.c
+++ /dev/null
@@ -1,1059 +0,0 @@
-/*
- * Epson HWA742 LCD controller driver
- *
- * Copyright (C) 2004-2005 Nokia Corporation
- * Authors:     Juha Yrjölä   <juha.yrjola@nokia.com>
- *	        Imre Deak     <imre.deak@nokia.com>
- * YUV support: Jussi Laako   <jussi.laako@nokia.com>
- *
- * 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.,
- * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/fb.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/interrupt.h>
-
-#include "omapfb.h"
-
-#define HWA742_REV_CODE_REG       0x0
-#define HWA742_CONFIG_REG         0x2
-#define HWA742_PLL_DIV_REG        0x4
-#define HWA742_PLL_0_REG          0x6
-#define HWA742_PLL_1_REG          0x8
-#define HWA742_PLL_2_REG          0xa
-#define HWA742_PLL_3_REG          0xc
-#define HWA742_PLL_4_REG          0xe
-#define HWA742_CLK_SRC_REG        0x12
-#define HWA742_PANEL_TYPE_REG     0x14
-#define HWA742_H_DISP_REG         0x16
-#define HWA742_H_NDP_REG          0x18
-#define HWA742_V_DISP_1_REG       0x1a
-#define HWA742_V_DISP_2_REG       0x1c
-#define HWA742_V_NDP_REG          0x1e
-#define HWA742_HS_W_REG           0x20
-#define HWA742_HP_S_REG           0x22
-#define HWA742_VS_W_REG           0x24
-#define HWA742_VP_S_REG           0x26
-#define HWA742_PCLK_POL_REG       0x28
-#define HWA742_INPUT_MODE_REG     0x2a
-#define HWA742_TRANSL_MODE_REG1   0x2e
-#define HWA742_DISP_MODE_REG      0x34
-#define HWA742_WINDOW_TYPE        0x36
-#define HWA742_WINDOW_X_START_0   0x38
-#define HWA742_WINDOW_X_START_1   0x3a
-#define HWA742_WINDOW_Y_START_0   0x3c
-#define HWA742_WINDOW_Y_START_1   0x3e
-#define HWA742_WINDOW_X_END_0     0x40
-#define HWA742_WINDOW_X_END_1     0x42
-#define HWA742_WINDOW_Y_END_0     0x44
-#define HWA742_WINDOW_Y_END_1     0x46
-#define HWA742_MEMORY_WRITE_LSB   0x48
-#define HWA742_MEMORY_WRITE_MSB   0x49
-#define HWA742_MEMORY_READ_0      0x4a
-#define HWA742_MEMORY_READ_1      0x4c
-#define HWA742_MEMORY_READ_2      0x4e
-#define HWA742_POWER_SAVE         0x56
-#define HWA742_NDP_CTRL           0x58
-
-#define HWA742_AUTO_UPDATE_TIME		(HZ / 20)
-
-/* Reserve 4 request slots for requests in irq context */
-#define REQ_POOL_SIZE			24
-#define IRQ_REQ_POOL_SIZE		4
-
-#define REQ_FROM_IRQ_POOL 0x01
-
-#define REQ_COMPLETE	0
-#define REQ_PENDING	1
-
-struct update_param {
-	int	x, y, width, height;
-	int	color_mode;
-	int	flags;
-};
-
-struct hwa742_request {
-	struct list_head entry;
-	unsigned int	 flags;
-
-	int		 (*handler)(struct hwa742_request *req);
-	void		 (*complete)(void *data);
-	void		 *complete_data;
-
-	union {
-		struct update_param	update;
-		struct completion	*sync;
-	} par;
-};
-
-struct {
-	enum omapfb_update_mode	update_mode;
-	enum omapfb_update_mode	update_mode_before_suspend;
-
-	struct timer_list	auto_update_timer;
-	int			stop_auto_update;
-	struct omapfb_update_window	auto_update_window;
-	unsigned		te_connected:1;
-	unsigned		vsync_only:1;
-
-	struct hwa742_request	req_pool[REQ_POOL_SIZE];
-	struct list_head	pending_req_list;
-	struct list_head	free_req_list;
-	struct semaphore	req_sema;
-	spinlock_t		req_lock;
-
-	struct extif_timings	reg_timings, lut_timings;
-
-	int			prev_color_mode;
-	int			prev_flags;
-	int			window_type;
-
-	u32			max_transmit_size;
-	u32			extif_clk_period;
-	unsigned long		pix_tx_time;
-	unsigned long		line_upd_time;
-
-
-	struct omapfb_device	*fbdev;
-	struct lcd_ctrl_extif	*extif;
-	const struct lcd_ctrl	*int_ctrl;
-
-	struct clk		*sys_ck;
-} hwa742;
-
-struct lcd_ctrl hwa742_ctrl;
-
-static u8 hwa742_read_reg(u8 reg)
-{
-	u8 data;
-
-	hwa742.extif->set_bits_per_cycle(8);
-	hwa742.extif->write_command(&reg, 1);
-	hwa742.extif->read_data(&data, 1);
-
-	return data;
-}
-
-static void hwa742_write_reg(u8 reg, u8 data)
-{
-	hwa742.extif->set_bits_per_cycle(8);
-	hwa742.extif->write_command(&reg, 1);
-	hwa742.extif->write_data(&data, 1);
-}
-
-static void set_window_regs(int x_start, int y_start, int x_end, int y_end)
-{
-	u8 tmp[8];
-	u8 cmd;
-
-	x_end--;
-	y_end--;
-	tmp[0] = x_start;
-	tmp[1] = x_start >> 8;
-	tmp[2] = y_start;
-	tmp[3] = y_start >> 8;
-	tmp[4] = x_end;
-	tmp[5] = x_end >> 8;
-	tmp[6] = y_end;
-	tmp[7] = y_end >> 8;
-
-	hwa742.extif->set_bits_per_cycle(8);
-	cmd = HWA742_WINDOW_X_START_0;
-
-	hwa742.extif->write_command(&cmd, 1);
-
-	hwa742.extif->write_data(tmp, 8);
-}
-
-static void set_format_regs(int conv, int transl, int flags)
-{
-	if (flags & OMAPFB_FORMAT_FLAG_DOUBLE) {
-		hwa742.window_type = ((hwa742.window_type & 0xfc) | 0x01);
-#ifdef VERBOSE
-		dev_dbg(hwa742.fbdev->dev, "hwa742: enabled pixel doubling\n");
-#endif
-	} else {
-		hwa742.window_type = (hwa742.window_type & 0xfc);
-#ifdef VERBOSE
-		dev_dbg(hwa742.fbdev->dev, "hwa742: disabled pixel doubling\n");
-#endif
-	}
-
-	hwa742_write_reg(HWA742_INPUT_MODE_REG, conv);
-	hwa742_write_reg(HWA742_TRANSL_MODE_REG1, transl);
-	hwa742_write_reg(HWA742_WINDOW_TYPE, hwa742.window_type);
-}
-
-static void enable_tearsync(int y, int width, int height, int screen_height,
-			    int force_vsync)
-{
-	u8 b;
-
-	b = hwa742_read_reg(HWA742_NDP_CTRL);
-	b |= 1 << 2;
-	hwa742_write_reg(HWA742_NDP_CTRL, b);
-
-	if (likely(hwa742.vsync_only || force_vsync)) {
-		hwa742.extif->enable_tearsync(1, 0);
-		return;
-	}
-
-	if (width * hwa742.pix_tx_time < hwa742.line_upd_time) {
-		hwa742.extif->enable_tearsync(1, 0);
-		return;
-	}
-
-	if ((width * hwa742.pix_tx_time / 1000) * height <
-	    (y + height) * (hwa742.line_upd_time / 1000)) {
-		hwa742.extif->enable_tearsync(1, 0);
-		return;
-	}
-
-	hwa742.extif->enable_tearsync(1, y + 1);
-}
-
-static void disable_tearsync(void)
-{
-	u8 b;
-
-	hwa742.extif->enable_tearsync(0, 0);
-
-	b = hwa742_read_reg(HWA742_NDP_CTRL);
-	b &= ~(1 << 2);
-	hwa742_write_reg(HWA742_NDP_CTRL, b);
-}
-
-static inline struct hwa742_request *alloc_req(void)
-{
-	unsigned long flags;
-	struct hwa742_request *req;
-	int req_flags = 0;
-
-	if (!in_interrupt())
-		down(&hwa742.req_sema);
-	else
-		req_flags = REQ_FROM_IRQ_POOL;
-
-	spin_lock_irqsave(&hwa742.req_lock, flags);
-	BUG_ON(list_empty(&hwa742.free_req_list));
-	req = list_entry(hwa742.free_req_list.next,
-			 struct hwa742_request, entry);
-	list_del(&req->entry);
-	spin_unlock_irqrestore(&hwa742.req_lock, flags);
-
-	INIT_LIST_HEAD(&req->entry);
-	req->flags = req_flags;
-
-	return req;
-}
-
-static inline void free_req(struct hwa742_request *req)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&hwa742.req_lock, flags);
-
-	list_move(&req->entry, &hwa742.free_req_list);
-	if (!(req->flags & REQ_FROM_IRQ_POOL))
-		up(&hwa742.req_sema);
-
-	spin_unlock_irqrestore(&hwa742.req_lock, flags);
-}
-
-static void process_pending_requests(void)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&hwa742.req_lock, flags);
-
-	while (!list_empty(&hwa742.pending_req_list)) {
-		struct hwa742_request *req;
-		void (*complete)(void *);
-		void *complete_data;
-
-		req = list_entry(hwa742.pending_req_list.next,
-				 struct hwa742_request, entry);
-		spin_unlock_irqrestore(&hwa742.req_lock, flags);
-
-		if (req->handler(req) == REQ_PENDING)
-			return;
-
-		complete = req->complete;
-		complete_data = req->complete_data;
-		free_req(req);
-
-		if (complete)
-			complete(complete_data);
-
-		spin_lock_irqsave(&hwa742.req_lock, flags);
-	}
-
-	spin_unlock_irqrestore(&hwa742.req_lock, flags);
-}
-
-static void submit_req_list(struct list_head *head)
-{
-	unsigned long flags;
-	int process = 1;
-
-	spin_lock_irqsave(&hwa742.req_lock, flags);
-	if (likely(!list_empty(&hwa742.pending_req_list)))
-		process = 0;
-	list_splice_init(head, hwa742.pending_req_list.prev);
-	spin_unlock_irqrestore(&hwa742.req_lock, flags);
-
-	if (process)
-		process_pending_requests();
-}
-
-static void request_complete(void *data)
-{
-	struct hwa742_request	*req = (struct hwa742_request *)data;
-	void			(*complete)(void *);
-	void			*complete_data;
-
-	complete = req->complete;
-	complete_data = req->complete_data;
-
-	free_req(req);
-
-	if (complete)
-		complete(complete_data);
-
-	process_pending_requests();
-}
-
-static int send_frame_handler(struct hwa742_request *req)
-{
-	struct update_param *par = &req->par.update;
-	int x = par->x;
-	int y = par->y;
-	int w = par->width;
-	int h = par->height;
-	int bpp;
-	int conv, transl;
-	unsigned long offset;
-	int color_mode = par->color_mode;
-	int flags = par->flags;
-	int scr_width = hwa742.fbdev->panel->x_res;
-	int scr_height = hwa742.fbdev->panel->y_res;
-
-#ifdef VERBOSE
-	dev_dbg(hwa742.fbdev->dev, "x %d y %d w %d h %d scr_width %d "
-		"color_mode %d flags %d\n",
-		x, y, w, h, scr_width, color_mode, flags);
-#endif
-
-	switch (color_mode) {
-	case OMAPFB_COLOR_YUV422:
-		bpp = 16;
-		conv = 0x08;
-		transl = 0x25;
-		break;
-	case OMAPFB_COLOR_YUV420:
-		bpp = 12;
-		conv = 0x09;
-		transl = 0x25;
-		break;
-	case OMAPFB_COLOR_RGB565:
-		bpp = 16;
-		conv = 0x01;
-		transl = 0x05;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (hwa742.prev_flags != flags ||
-	    hwa742.prev_color_mode != color_mode) {
-		set_format_regs(conv, transl, flags);
-		hwa742.prev_color_mode = color_mode;
-		hwa742.prev_flags = flags;
-	}
-	flags = req->par.update.flags;
-	if (flags & OMAPFB_FORMAT_FLAG_TEARSYNC)
-		enable_tearsync(y, scr_width, h, scr_height,
-				flags & OMAPFB_FORMAT_FLAG_FORCE_VSYNC);
-	else
-		disable_tearsync();
-
-	set_window_regs(x, y, x + w, y + h);
-
-	offset = (scr_width * y + x) * bpp / 8;
-
-	hwa742.int_ctrl->setup_plane(OMAPFB_PLANE_GFX,
-			OMAPFB_CHANNEL_OUT_LCD, offset, scr_width, 0, 0, w, h,
-			color_mode);
-
-	hwa742.extif->set_bits_per_cycle(16);
-
-	hwa742.int_ctrl->enable_plane(OMAPFB_PLANE_GFX, 1);
-	hwa742.extif->transfer_area(w, h, request_complete, req);
-
-	return REQ_PENDING;
-}
-
-static void send_frame_complete(void *data)
-{
-	hwa742.int_ctrl->enable_plane(OMAPFB_PLANE_GFX, 0);
-}
-
-#define ADD_PREQ(_x, _y, _w, _h) do {		\
-	req = alloc_req();			\
-	req->handler	= send_frame_handler;	\
-	req->complete	= send_frame_complete;	\
-	req->par.update.x = _x;			\
-	req->par.update.y = _y;			\
-	req->par.update.width  = _w;		\
-	req->par.update.height = _h;		\
-	req->par.update.color_mode = color_mode;\
-	req->par.update.flags	  = flags;	\
-	list_add_tail(&req->entry, req_head);	\
-} while(0)
-
-static void create_req_list(struct omapfb_update_window *win,
-			    struct list_head *req_head)
-{
-	struct hwa742_request *req;
-	int x = win->x;
-	int y = win->y;
-	int width = win->width;
-	int height = win->height;
-	int color_mode;
-	int flags;
-
-	flags = win->format & ~OMAPFB_FORMAT_MASK;
-	color_mode = win->format & OMAPFB_FORMAT_MASK;
-
-	if (x & 1) {
-		ADD_PREQ(x, y, 1, height);
-		width--;
-		x++;
-		flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
-	}
-	if (width & ~1) {
-		unsigned int xspan = width & ~1;
-		unsigned int ystart = y;
-		unsigned int yspan = height;
-
-		if (xspan * height * 2 > hwa742.max_transmit_size) {
-			yspan = hwa742.max_transmit_size / (xspan * 2);
-			ADD_PREQ(x, ystart, xspan, yspan);
-			ystart += yspan;
-			yspan = height - yspan;
-			flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
-		}
-
-		ADD_PREQ(x, ystart, xspan, yspan);
-		x += xspan;
-		width -= xspan;
-		flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
-	}
-	if (width)
-		ADD_PREQ(x, y, 1, height);
-}
-
-static void auto_update_complete(void *data)
-{
-	if (!hwa742.stop_auto_update)
-		mod_timer(&hwa742.auto_update_timer,
-			  jiffies + HWA742_AUTO_UPDATE_TIME);
-}
-
-static void hwa742_update_window_auto(unsigned long arg)
-{
-	LIST_HEAD(req_list);
-	struct hwa742_request *last;
-
-	create_req_list(&hwa742.auto_update_window, &req_list);
-	last = list_entry(req_list.prev, struct hwa742_request, entry);
-
-	last->complete = auto_update_complete;
-	last->complete_data = NULL;
-
-	submit_req_list(&req_list);
-}
-
-int hwa742_update_window_async(struct fb_info *fbi,
-				 struct omapfb_update_window *win,
-				 void (*complete_callback)(void *arg),
-				 void *complete_callback_data)
-{
-	LIST_HEAD(req_list);
-	struct hwa742_request *last;
-	int r = 0;
-
-	if (hwa742.update_mode != OMAPFB_MANUAL_UPDATE) {
-		dev_dbg(hwa742.fbdev->dev, "invalid update mode\n");
-		r = -EINVAL;
-		goto out;
-	}
-	if (unlikely(win->format &
-	    ~(0x03 | OMAPFB_FORMAT_FLAG_DOUBLE |
-	    OMAPFB_FORMAT_FLAG_TEARSYNC | OMAPFB_FORMAT_FLAG_FORCE_VSYNC))) {
-		dev_dbg(hwa742.fbdev->dev, "invalid window flag\n");
-		r = -EINVAL;
-		goto out;
-	}
-
-	create_req_list(win, &req_list);
-	last = list_entry(req_list.prev, struct hwa742_request, entry);
-
-	last->complete = complete_callback;
-	last->complete_data = (void *)complete_callback_data;
-
-	submit_req_list(&req_list);
-
-out:
-	return r;
-}
-EXPORT_SYMBOL(hwa742_update_window_async);
-
-static int hwa742_setup_plane(int plane, int channel_out,
-				  unsigned long offset, int screen_width,
-				  int pos_x, int pos_y, int width, int height,
-				  int color_mode)
-{
-	if (plane != OMAPFB_PLANE_GFX ||
-	    channel_out != OMAPFB_CHANNEL_OUT_LCD)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int hwa742_enable_plane(int plane, int enable)
-{
-	if (plane != 0)
-		return -EINVAL;
-
-	hwa742.int_ctrl->enable_plane(plane, enable);
-
-	return 0;
-}
-
-static int sync_handler(struct hwa742_request *req)
-{
-	complete(req->par.sync);
-	return REQ_COMPLETE;
-}
-
-static void hwa742_sync(void)
-{
-	LIST_HEAD(req_list);
-	struct hwa742_request *req;
-	struct completion comp;
-
-	req = alloc_req();
-
-	req->handler = sync_handler;
-	req->complete = NULL;
-	init_completion(&comp);
-	req->par.sync = &comp;
-
-	list_add(&req->entry, &req_list);
-	submit_req_list(&req_list);
-
-	wait_for_completion(&comp);
-}
-
-static void hwa742_bind_client(struct omapfb_notifier_block *nb)
-{
-	dev_dbg(hwa742.fbdev->dev, "update_mode %d\n", hwa742.update_mode);
-	if (hwa742.update_mode == OMAPFB_MANUAL_UPDATE) {
-		omapfb_notify_clients(hwa742.fbdev, OMAPFB_EVENT_READY);
-	}
-}
-
-static int hwa742_set_update_mode(enum omapfb_update_mode mode)
-{
-	if (mode != OMAPFB_MANUAL_UPDATE && mode != OMAPFB_AUTO_UPDATE &&
-	    mode != OMAPFB_UPDATE_DISABLED)
-		return -EINVAL;
-
-	if (mode == hwa742.update_mode)
-		return 0;
-
-	dev_info(hwa742.fbdev->dev, "HWA742: setting update mode to %s\n",
-			mode == OMAPFB_UPDATE_DISABLED ? "disabled" :
-			(mode == OMAPFB_AUTO_UPDATE ? "auto" : "manual"));
-
-	switch (hwa742.update_mode) {
-	case OMAPFB_MANUAL_UPDATE:
-		omapfb_notify_clients(hwa742.fbdev, OMAPFB_EVENT_DISABLED);
-		break;
-	case OMAPFB_AUTO_UPDATE:
-		hwa742.stop_auto_update = 1;
-		del_timer_sync(&hwa742.auto_update_timer);
-		break;
-	case OMAPFB_UPDATE_DISABLED:
-		break;
-	}
-
-	hwa742.update_mode = mode;
-	hwa742_sync();
-	hwa742.stop_auto_update = 0;
-
-	switch (mode) {
-	case OMAPFB_MANUAL_UPDATE:
-		omapfb_notify_clients(hwa742.fbdev, OMAPFB_EVENT_READY);
-		break;
-	case OMAPFB_AUTO_UPDATE:
-		hwa742_update_window_auto(0);
-		break;
-	case OMAPFB_UPDATE_DISABLED:
-		break;
-	}
-
-	return 0;
-}
-
-static enum omapfb_update_mode hwa742_get_update_mode(void)
-{
-	return hwa742.update_mode;
-}
-
-static unsigned long round_to_extif_ticks(unsigned long ps, int div)
-{
-	int bus_tick = hwa742.extif_clk_period * div;
-	return (ps + bus_tick - 1) / bus_tick * bus_tick;
-}
-
-static int calc_reg_timing(unsigned long sysclk, int div)
-{
-	struct extif_timings *t;
-	unsigned long systim;
-
-	/* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns,
-	 * AccessTime 2 ns + 12.2 ns (regs),
-	 * WEOffTime = WEOnTime + 1 ns,
-	 * REOffTime = REOnTime + 16 ns (regs),
-	 * CSOffTime = REOffTime + 1 ns
-	 * ReadCycle = 2ns + 2*SYSCLK  (regs),
-	 * WriteCycle = 2*SYSCLK + 2 ns,
-	 * CSPulseWidth = 10 ns */
-	systim = 1000000000 / (sysclk / 1000);
-	dev_dbg(hwa742.fbdev->dev, "HWA742 systim %lu ps extif_clk_period %u ps"
-		  "extif_clk_div %d\n", systim, hwa742.extif_clk_period, div);
-
-	t = &hwa742.reg_timings;
-	memset(t, 0, sizeof(*t));
-	t->clk_div = div;
-	t->cs_on_time = 0;
-	t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
-	t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
-	t->access_time = round_to_extif_ticks(t->re_on_time + 12200, div);
-	t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div);
-	t->re_off_time = round_to_extif_ticks(t->re_on_time + 16000, div);
-	t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div);
-	t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
-	if (t->we_cycle_time < t->we_off_time)
-		t->we_cycle_time = t->we_off_time;
-	t->re_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
-	if (t->re_cycle_time < t->re_off_time)
-		t->re_cycle_time = t->re_off_time;
-	t->cs_pulse_width = 0;
-
-	dev_dbg(hwa742.fbdev->dev, "[reg]cson %d csoff %d reon %d reoff %d\n",
-		 t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time);
-	dev_dbg(hwa742.fbdev->dev, "[reg]weon %d weoff %d recyc %d wecyc %d\n",
-		 t->we_on_time, t->we_off_time, t->re_cycle_time,
-		 t->we_cycle_time);
-	dev_dbg(hwa742.fbdev->dev, "[reg]rdaccess %d cspulse %d\n",
-		 t->access_time, t->cs_pulse_width);
-
-	return hwa742.extif->convert_timings(t);
-}
-
-static int calc_lut_timing(unsigned long sysclk, int div)
-{
-	struct extif_timings *t;
-	unsigned long systim;
-
-	/* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns,
-	 * AccessTime 2 ns + 4 * SYSCLK + 26 (lut),
-	 * WEOffTime = WEOnTime + 1 ns,
-	 * REOffTime = REOnTime + 4*SYSCLK + 26 ns (lut),
-	 * CSOffTime = REOffTime + 1 ns
-	 * ReadCycle = 2ns + 4*SYSCLK + 26 ns (lut),
-	 * WriteCycle = 2*SYSCLK + 2 ns,
-	 * CSPulseWidth = 10 ns
-	 */
-	systim = 1000000000 / (sysclk / 1000);
-	dev_dbg(hwa742.fbdev->dev, "HWA742 systim %lu ps extif_clk_period %u ps"
-		  "extif_clk_div %d\n", systim, hwa742.extif_clk_period, div);
-
-	t = &hwa742.lut_timings;
-	memset(t, 0, sizeof(*t));
-
-	t->clk_div = div;
-
-	t->cs_on_time = 0;
-	t->we_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
-	t->re_on_time = round_to_extif_ticks(t->cs_on_time + 2000, div);
-	t->access_time = round_to_extif_ticks(t->re_on_time + 4 * systim +
-					      26000, div);
-	t->we_off_time = round_to_extif_ticks(t->we_on_time + 1000, div);
-	t->re_off_time = round_to_extif_ticks(t->re_on_time + 4 * systim +
-					      26000, div);
-	t->cs_off_time = round_to_extif_ticks(t->re_off_time + 1000, div);
-	t->we_cycle_time = round_to_extif_ticks(2 * systim + 2000, div);
-	if (t->we_cycle_time < t->we_off_time)
-		t->we_cycle_time = t->we_off_time;
-	t->re_cycle_time = round_to_extif_ticks(2000 + 4 * systim + 26000, div);
-	if (t->re_cycle_time < t->re_off_time)
-		t->re_cycle_time = t->re_off_time;
-	t->cs_pulse_width = 0;
-
-	dev_dbg(hwa742.fbdev->dev, "[lut]cson %d csoff %d reon %d reoff %d\n",
-		 t->cs_on_time, t->cs_off_time, t->re_on_time, t->re_off_time);
-	dev_dbg(hwa742.fbdev->dev, "[lut]weon %d weoff %d recyc %d wecyc %d\n",
-		 t->we_on_time, t->we_off_time, t->re_cycle_time,
-		 t->we_cycle_time);
-	dev_dbg(hwa742.fbdev->dev, "[lut]rdaccess %d cspulse %d\n",
-		 t->access_time, t->cs_pulse_width);
-
-	return hwa742.extif->convert_timings(t);
-}
-
-static int calc_extif_timings(unsigned long sysclk, int *extif_mem_div)
-{
-	int max_clk_div;
-	int div;
-
-	hwa742.extif->get_clk_info(&hwa742.extif_clk_period, &max_clk_div);
-	for (div = 1; div < max_clk_div; div++) {
-		if (calc_reg_timing(sysclk, div) == 0)
-			break;
-	}
-	if (div >= max_clk_div)
-		goto err;
-
-	*extif_mem_div = div;
-
-	for (div = 1; div < max_clk_div; div++) {
-		if (calc_lut_timing(sysclk, div) == 0)
-			break;
-	}
-
-	if (div >= max_clk_div)
-		goto err;
-
-	return 0;
-
-err:
-	dev_err(hwa742.fbdev->dev, "can't setup timings\n");
-	return -1;
-}
-
-static void calc_hwa742_clk_rates(unsigned long ext_clk,
-				unsigned long *sys_clk, unsigned long *pix_clk)
-{
-	int pix_clk_src;
-	int sys_div = 0, sys_mul = 0;
-	int pix_div;
-
-	pix_clk_src = hwa742_read_reg(HWA742_CLK_SRC_REG);
-	pix_div = ((pix_clk_src >> 3) & 0x1f) + 1;
-	if ((pix_clk_src & (0x3 << 1)) == 0) {
-		/* Source is the PLL */
-		sys_div = (hwa742_read_reg(HWA742_PLL_DIV_REG) & 0x3f) + 1;
-		sys_mul = (hwa742_read_reg(HWA742_PLL_4_REG) & 0x7f) + 1;
-		*sys_clk = ext_clk * sys_mul / sys_div;
-	} else	/* else source is ext clk, or oscillator */
-		*sys_clk = ext_clk;
-
-	*pix_clk = *sys_clk / pix_div;			/* HZ */
-	dev_dbg(hwa742.fbdev->dev,
-		"ext_clk %ld pix_src %d pix_div %d sys_div %d sys_mul %d\n",
-		ext_clk, pix_clk_src & (0x3 << 1), pix_div, sys_div, sys_mul);
-	dev_dbg(hwa742.fbdev->dev, "sys_clk %ld pix_clk %ld\n",
-		*sys_clk, *pix_clk);
-}
-
-
-static int setup_tearsync(unsigned long pix_clk, int extif_div)
-{
-	int hdisp, vdisp;
-	int hndp, vndp;
-	int hsw, vsw;
-	int hs, vs;
-	int hs_pol_inv, vs_pol_inv;
-	int use_hsvs, use_ndp;
-	u8  b;
-
-	hsw = hwa742_read_reg(HWA742_HS_W_REG);
-	vsw = hwa742_read_reg(HWA742_VS_W_REG);
-	hs_pol_inv = !(hsw & 0x80);
-	vs_pol_inv = !(vsw & 0x80);
-	hsw = hsw & 0x7f;
-	vsw = vsw & 0x3f;
-
-	hdisp = (hwa742_read_reg(HWA742_H_DISP_REG) & 0x7f) * 8;
-	vdisp = hwa742_read_reg(HWA742_V_DISP_1_REG) +
-		((hwa742_read_reg(HWA742_V_DISP_2_REG) & 0x3) << 8);
-
-	hndp = hwa742_read_reg(HWA742_H_NDP_REG) & 0x7f;
-	vndp = hwa742_read_reg(HWA742_V_NDP_REG);
-
-	/* time to transfer one pixel (16bpp) in ps */
-	hwa742.pix_tx_time = hwa742.reg_timings.we_cycle_time;
-	if (hwa742.extif->get_max_tx_rate != NULL) {
-		/*
-		 * The external interface might have a rate limitation,
-		 * if so, we have to maximize our transfer rate.
-		 */
-		unsigned long min_tx_time;
-		unsigned long max_tx_rate = hwa742.extif->get_max_tx_rate();
-
-		dev_dbg(hwa742.fbdev->dev, "max_tx_rate %ld HZ\n",
-			max_tx_rate);
-		min_tx_time = 1000000000 / (max_tx_rate / 1000);  /* ps */
-		if (hwa742.pix_tx_time < min_tx_time)
-			hwa742.pix_tx_time = min_tx_time;
-	}
-
-	/* time to update one line in ps */
-	hwa742.line_upd_time = (hdisp + hndp) * 1000000 / (pix_clk / 1000);
-	hwa742.line_upd_time *= 1000;
-	if (hdisp * hwa742.pix_tx_time > hwa742.line_upd_time)
-		/*
-		 * transfer speed too low, we might have to use both
-		 * HS and VS
-		 */
-		use_hsvs = 1;
-	else
-		/* decent transfer speed, we'll always use only VS */
-		use_hsvs = 0;
-
-	if (use_hsvs && (hs_pol_inv || vs_pol_inv)) {
-		/*
-		 * HS or'ed with VS doesn't work, use the active high
-		 * TE signal based on HNDP / VNDP
-		 */
-		use_ndp = 1;
-		hs_pol_inv = 0;
-		vs_pol_inv = 0;
-		hs = hndp;
-		vs = vndp;
-	} else {
-		/*
-		 * Use HS or'ed with VS as a TE signal if both are needed
-		 * or VNDP if only vsync is needed.
-		 */
-		use_ndp = 0;
-		hs = hsw;
-		vs = vsw;
-		if (!use_hsvs) {
-			hs_pol_inv = 0;
-			vs_pol_inv = 0;
-		}
-	}
-
-	hs = hs * 1000000 / (pix_clk / 1000);			/* ps */
-	hs *= 1000;
-
-	vs = vs * (hdisp + hndp) * 1000000 / (pix_clk / 1000);	/* ps */
-	vs *= 1000;
-
-	if (vs <= hs)
-		return -EDOM;
-	/* set VS to 120% of HS to minimize VS detection time */
-	vs = hs * 12 / 10;
-	/* minimize HS too */
-	hs = 10000;
-
-	b = hwa742_read_reg(HWA742_NDP_CTRL);
-	b &= ~0x3;
-	b |= use_hsvs ? 1 : 0;
-	b |= (use_ndp && use_hsvs) ? 0 : 2;
-	hwa742_write_reg(HWA742_NDP_CTRL, b);
-
-	hwa742.vsync_only = !use_hsvs;
-
-	dev_dbg(hwa742.fbdev->dev,
-		"pix_clk %ld HZ pix_tx_time %ld ps line_upd_time %ld ps\n",
-		pix_clk, hwa742.pix_tx_time, hwa742.line_upd_time);
-	dev_dbg(hwa742.fbdev->dev,
-		"hs %d ps vs %d ps mode %d vsync_only %d\n",
-		hs, vs, (b & 0x3), !use_hsvs);
-
-	return hwa742.extif->setup_tearsync(1, hs, vs,
-					    hs_pol_inv, vs_pol_inv, extif_div);
-}
-
-static void hwa742_get_caps(int plane, struct omapfb_caps *caps)
-{
-	hwa742.int_ctrl->get_caps(plane, caps);
-	caps->ctrl |= OMAPFB_CAPS_MANUAL_UPDATE |
-		      OMAPFB_CAPS_WINDOW_PIXEL_DOUBLE;
-	if (hwa742.te_connected)
-		caps->ctrl |= OMAPFB_CAPS_TEARSYNC;
-	caps->wnd_color |= (1 << OMAPFB_COLOR_RGB565) |
-			   (1 << OMAPFB_COLOR_YUV420);
-}
-
-static void hwa742_suspend(void)
-{
-	hwa742.update_mode_before_suspend = hwa742.update_mode;
-	hwa742_set_update_mode(OMAPFB_UPDATE_DISABLED);
-	/* Enable sleep mode */
-	hwa742_write_reg(HWA742_POWER_SAVE, 1 << 1);
-	clk_disable(hwa742.sys_ck);
-}
-
-static void hwa742_resume(void)
-{
-	clk_enable(hwa742.sys_ck);
-
-	/* Disable sleep mode */
-	hwa742_write_reg(HWA742_POWER_SAVE, 0);
-	while (1) {
-		/* Loop until PLL output is stabilized */
-		if (hwa742_read_reg(HWA742_PLL_DIV_REG) & (1 << 7))
-			break;
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(msecs_to_jiffies(5));
-	}
-	hwa742_set_update_mode(hwa742.update_mode_before_suspend);
-}
-
-static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
-		       struct omapfb_mem_desc *req_vram)
-{
-	int r = 0, i;
-	u8 rev, conf;
-	unsigned long ext_clk;
-	unsigned long sys_clk, pix_clk;
-	int extif_mem_div;
-	struct omapfb_platform_data *omapfb_conf;
-
-	BUG_ON(!fbdev->ext_if || !fbdev->int_ctrl);
-
-	hwa742.fbdev = fbdev;
-	hwa742.extif = fbdev->ext_if;
-	hwa742.int_ctrl = fbdev->int_ctrl;
-
-	omapfb_conf = dev_get_platdata(fbdev->dev);
-
-	hwa742.sys_ck = clk_get(NULL, "hwa_sys_ck");
-
-	spin_lock_init(&hwa742.req_lock);
-
-	if ((r = hwa742.int_ctrl->init(fbdev, 1, req_vram)) < 0)
-		goto err1;
-
-	if ((r = hwa742.extif->init(fbdev)) < 0)
-		goto err2;
-
-	ext_clk = clk_get_rate(hwa742.sys_ck);
-	if ((r = calc_extif_timings(ext_clk, &extif_mem_div)) < 0)
-		goto err3;
-	hwa742.extif->set_timings(&hwa742.reg_timings);
-	clk_enable(hwa742.sys_ck);
-
-	calc_hwa742_clk_rates(ext_clk, &sys_clk, &pix_clk);
-	if ((r = calc_extif_timings(sys_clk, &extif_mem_div)) < 0)
-		goto err4;
-	hwa742.extif->set_timings(&hwa742.reg_timings);
-
-	rev = hwa742_read_reg(HWA742_REV_CODE_REG);
-	if ((rev & 0xfc) != 0x80) {
-		dev_err(fbdev->dev, "HWA742: invalid revision %02x\n", rev);
-		r = -ENODEV;
-		goto err4;
-	}
-
-
-	if (!(hwa742_read_reg(HWA742_PLL_DIV_REG) & 0x80)) {
-		dev_err(fbdev->dev,
-		      "HWA742: controller not initialized by the bootloader\n");
-		r = -ENODEV;
-		goto err4;
-	}
-
-	if ((r = setup_tearsync(pix_clk, extif_mem_div)) < 0) {
-		dev_err(hwa742.fbdev->dev,
-			"HWA742: can't setup tearing synchronization\n");
-		goto err4;
-	}
-	hwa742.te_connected = 1;
-
-	hwa742.max_transmit_size = hwa742.extif->max_transmit_size;
-
-	hwa742.update_mode = OMAPFB_UPDATE_DISABLED;
-
-	hwa742.auto_update_window.x = 0;
-	hwa742.auto_update_window.y = 0;
-	hwa742.auto_update_window.width = fbdev->panel->x_res;
-	hwa742.auto_update_window.height = fbdev->panel->y_res;
-	hwa742.auto_update_window.format = 0;
-
-	init_timer(&hwa742.auto_update_timer);
-	hwa742.auto_update_timer.function = hwa742_update_window_auto;
-	hwa742.auto_update_timer.data = 0;
-
-	hwa742.prev_color_mode = -1;
-	hwa742.prev_flags = 0;
-
-	hwa742.fbdev = fbdev;
-
-	INIT_LIST_HEAD(&hwa742.free_req_list);
-	INIT_LIST_HEAD(&hwa742.pending_req_list);
-	for (i = 0; i < ARRAY_SIZE(hwa742.req_pool); i++)
-		list_add(&hwa742.req_pool[i].entry, &hwa742.free_req_list);
-	BUG_ON(i <= IRQ_REQ_POOL_SIZE);
-	sema_init(&hwa742.req_sema, i - IRQ_REQ_POOL_SIZE);
-
-	conf = hwa742_read_reg(HWA742_CONFIG_REG);
-	dev_info(fbdev->dev, ": Epson HWA742 LCD controller rev %d "
-			"initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
-
-	return 0;
-err4:
-	clk_disable(hwa742.sys_ck);
-err3:
-	hwa742.extif->cleanup();
-err2:
-	hwa742.int_ctrl->cleanup();
-err1:
-	return r;
-}
-
-static void hwa742_cleanup(void)
-{
-	hwa742_set_update_mode(OMAPFB_UPDATE_DISABLED);
-	hwa742.extif->cleanup();
-	hwa742.int_ctrl->cleanup();
-	clk_disable(hwa742.sys_ck);
-}
-
-struct lcd_ctrl hwa742_ctrl = {
-	.name			= "hwa742",
-	.init			= hwa742_init,
-	.cleanup		= hwa742_cleanup,
-	.bind_client		= hwa742_bind_client,
-	.get_caps		= hwa742_get_caps,
-	.set_update_mode	= hwa742_set_update_mode,
-	.get_update_mode	= hwa742_get_update_mode,
-	.setup_plane		= hwa742_setup_plane,
-	.enable_plane		= hwa742_enable_plane,
-	.update_window		= hwa742_update_window_async,
-	.sync			= hwa742_sync,
-	.suspend		= hwa742_suspend,
-	.resume			= hwa742_resume,
-};
-