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-rw-r--r--recipes/linux/linux-omap-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch778
1 files changed, 778 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch b/recipes/linux/linux-omap-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch
new file mode 100644
index 0000000000..3f55f04460
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch
@@ -0,0 +1,778 @@
+From 66e16f86d3f4c5b34b37e965c65102b7192371de Mon Sep 17 00:00:00 2001
+From: Imre Deak <imre.deak@nokia.com>
+Date: Thu, 2 Apr 2009 11:47:13 +0300
+Subject: [PATCH] DSS2: Add acx565akm panel
+
+Signed-off-by: Imre Deak <imre.deak@nokia.com>
+---
+ drivers/video/omap2/displays/Kconfig | 8 +
+ drivers/video/omap2/displays/Makefile | 2 +
+ drivers/video/omap2/displays/panel-acx565akm.c | 712 ++++++++++++++++++++++++
+ drivers/video/omap2/displays/panel-acx565akm.h | 9 +
+ 4 files changed, 731 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/video/omap2/displays/panel-acx565akm.c
+ create mode 100644 drivers/video/omap2/displays/panel-acx565akm.h
+
+diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
+index 356ceb1..3feecee 100644
+--- a/drivers/video/omap2/displays/Kconfig
++++ b/drivers/video/omap2/displays/Kconfig
+@@ -28,4 +28,12 @@ config CTRL_BLIZZARD
+ tristate "Blizzard Controller"
+ help
+ Blizzard Controller (hack)
++
++config PANEL_ACX565AKM
++ tristate "ACX565AKM LCD Panel"
++ depends on OMAP2_DSS_SDI
++ select BACKLIGHT_CLASS_DEVICE
++ help
++ LCD Panel used in RX51
++
+ endmenu
+diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
+index 1b74b7e..9bafcb6 100644
+--- a/drivers/video/omap2/displays/Makefile
++++ b/drivers/video/omap2/displays/Makefile
+@@ -4,3 +4,5 @@ obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+
+ obj-$(CONFIG_CTRL_BLIZZARD) += ctrl-blizzard.o
+ obj-$(CONFIG_PANEL_N800) += panel-n800.o
++
++obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
+diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
+new file mode 100644
+index 0000000..2679d6c
+--- /dev/null
++++ b/drivers/video/omap2/displays/panel-acx565akm.c
+@@ -0,0 +1,712 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/clk.h>
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/spi/spi.h>
++#include <linux/jiffies.h>
++#include <linux/sched.h>
++#include <linux/backlight.h>
++#include <linux/fb.h>
++
++#include <mach/display.h>
++#include <mach/dma.h>
++
++#include "panel-acx565akm.h"
++
++#define MIPID_CMD_READ_DISP_ID 0x04
++#define MIPID_CMD_READ_RED 0x06
++#define MIPID_CMD_READ_GREEN 0x07
++#define MIPID_CMD_READ_BLUE 0x08
++#define MIPID_CMD_READ_DISP_STATUS 0x09
++#define MIPID_CMD_RDDSDR 0x0F
++#define MIPID_CMD_SLEEP_IN 0x10
++#define MIPID_CMD_SLEEP_OUT 0x11
++#define MIPID_CMD_DISP_OFF 0x28
++#define MIPID_CMD_DISP_ON 0x29
++#define MIPID_CMD_WRITE_DISP_BRIGHTNESS 0x51
++#define MIPID_CMD_READ_DISP_BRIGHTNESS 0x52
++#define MIPID_CMD_WRITE_CTRL_DISP 0x53
++
++#define CTRL_DISP_BRIGHTNESS_CTRL_ON (1 << 5)
++#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON (1 << 4)
++#define CTRL_DISP_BACKLIGHT_ON (1 << 2)
++#define CTRL_DISP_AUTO_BRIGHTNESS_ON (1 << 1)
++
++#define MIPID_CMD_READ_CTRL_DISP 0x54
++#define MIPID_CMD_WRITE_CABC 0x55
++#define MIPID_CMD_READ_CABC 0x56
++
++#define MIPID_VER_LPH8923 3
++#define MIPID_VER_LS041Y3 4
++#define MIPID_VER_L4F00311 8
++#define MIPID_VER_ACX565AKM 9
++
++struct acx565akm_device {
++ struct backlight_device *bl_dev;
++ int enabled;
++ int model;
++ int revision;
++ u8 display_id[3];
++ int has_bc:1;
++ int has_cabc:1;
++ unsigned int saved_bklight_level;
++ unsigned long hw_guard_end; /* next value of jiffies
++ when we can issue the
++ next sleep in/out command */
++ unsigned long hw_guard_wait; /* max guard time in jiffies */
++
++ struct spi_device *spi;
++ struct mutex mutex;
++ struct omap_panel panel;
++ struct omap_display *display;
++};
++
++static int acx565akm_bl_update_status(struct backlight_device *dev);
++
++static void acx565akm_transfer(struct acx565akm_device *md, int cmd,
++ const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
++{
++ struct spi_message m;
++ struct spi_transfer *x, xfer[5];
++ int r;
++
++ BUG_ON(md->spi == NULL);
++
++ spi_message_init(&m);
++
++ memset(xfer, 0, sizeof(xfer));
++ x = &xfer[0];
++
++ cmd &= 0xff;
++ x->tx_buf = &cmd;
++ x->bits_per_word = 9;
++ x->len = 2;
++
++ if (rlen > 1 && wlen == 0) {
++ /*
++ * Between the command and the response data there is a
++ * dummy clock cycle. Add an extra bit after the command
++ * word to account for this.
++ */
++ x->bits_per_word = 10;
++ cmd <<= 1;
++ }
++ spi_message_add_tail(x, &m);
++
++ if (wlen) {
++ x++;
++ x->tx_buf = wbuf;
++ x->len = wlen;
++ x->bits_per_word = 9;
++ spi_message_add_tail(x, &m);
++ }
++
++ if (rlen) {
++ x++;
++ x->rx_buf = rbuf;
++ x->len = rlen;
++ spi_message_add_tail(x, &m);
++ }
++
++ r = spi_sync(md->spi, &m);
++ if (r < 0)
++ dev_dbg(&md->spi->dev, "spi_sync %d\n", r);
++}
++
++static inline void acx565akm_cmd(struct acx565akm_device *md, int cmd)
++{
++ acx565akm_transfer(md, cmd, NULL, 0, NULL, 0);
++}
++
++static inline void acx565akm_write(struct acx565akm_device *md,
++ int reg, const u8 *buf, int len)
++{
++ acx565akm_transfer(md, reg, buf, len, NULL, 0);
++}
++
++static inline void acx565akm_read(struct acx565akm_device *md,
++ int reg, u8 *buf, int len)
++{
++ acx565akm_transfer(md, reg, NULL, 0, buf, len);
++}
++
++static void hw_guard_start(struct acx565akm_device *md, int guard_msec)
++{
++ md->hw_guard_wait = msecs_to_jiffies(guard_msec);
++ md->hw_guard_end = jiffies + md->hw_guard_wait;
++}
++
++static void hw_guard_wait(struct acx565akm_device *md)
++{
++ unsigned long wait = md->hw_guard_end - jiffies;
++
++ if ((long)wait > 0 && wait <= md->hw_guard_wait) {
++ set_current_state(TASK_UNINTERRUPTIBLE);
++ schedule_timeout(wait);
++ }
++}
++
++static void set_sleep_mode(struct acx565akm_device *md, int on)
++{
++ int cmd, sleep_time = 50;
++
++ if (on)
++ cmd = MIPID_CMD_SLEEP_IN;
++ else
++ cmd = MIPID_CMD_SLEEP_OUT;
++ hw_guard_wait(md);
++ acx565akm_cmd(md, cmd);
++ hw_guard_start(md, 120);
++ /*
++ * When we enable the panel, it seems we _have_ to sleep
++ * 120 ms before sending the init string. When disabling the
++ * panel we'll sleep for the duration of 2 frames, so that the
++ * controller can still provide the PCLK,HS,VS signals. */
++ if (!on)
++ sleep_time = 120;
++ msleep(sleep_time);
++}
++
++static void set_display_state(struct acx565akm_device *md, int enabled)
++{
++ int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
++
++ acx565akm_cmd(md, cmd);
++}
++
++static int panel_enabled(struct acx565akm_device *md)
++{
++ u32 disp_status;
++ int enabled;
++
++ acx565akm_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
++ disp_status = __be32_to_cpu(disp_status);
++ enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
++ dev_dbg(&md->spi->dev,
++ "LCD panel %senabled by bootloader (status 0x%04x)\n",
++ enabled ? "" : "not ", disp_status);
++ return enabled;
++}
++
++static void enable_backlight_ctrl(struct acx565akm_device *md, int enable)
++{
++ u16 ctrl;
++
++ acx565akm_read(md, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
++ if (enable) {
++ ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
++ CTRL_DISP_BACKLIGHT_ON;
++ } else {
++ ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
++ CTRL_DISP_BACKLIGHT_ON);
++ }
++
++ ctrl |= 1 << 8;
++ acx565akm_write(md, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
++}
++
++static void set_cabc_mode(struct acx565akm_device *md, int mode)
++{
++ u16 cabc_ctrl;
++
++ cabc_ctrl = 0;
++ acx565akm_read(md, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
++ cabc_ctrl &= ~3;
++ cabc_ctrl |= (1 << 8) | (mode & 3);
++ acx565akm_write(md, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
++}
++
++static int get_cabc_mode(struct acx565akm_device *md)
++{
++ u8 cabc_ctrl;
++
++ acx565akm_read(md, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
++ return cabc_ctrl & 3;
++}
++
++static int panel_detect(struct acx565akm_device *md)
++{
++ acx565akm_read(md, MIPID_CMD_READ_DISP_ID, md->display_id, 3);
++ dev_dbg(&md->spi->dev, "MIPI display ID: %02x%02x%02x\n",
++ md->display_id[0], md->display_id[1], md->display_id[2]);
++
++ switch (md->display_id[0]) {
++ case 0x10:
++ md->model = MIPID_VER_ACX565AKM;
++ md->panel.name = "acx565akm";
++ md->has_bc = 1;
++ md->has_cabc = 1;
++ break;
++ case 0x29:
++ md->model = MIPID_VER_L4F00311;
++ md->panel.name = "l4f00311";
++ break;
++ case 0x45:
++ md->model = MIPID_VER_LPH8923;
++ md->panel.name = "lph8923";
++ break;
++ case 0x83:
++ md->model = MIPID_VER_LS041Y3;
++ md->panel.name = "ls041y3";
++ break;
++ default:
++ md->panel.name = "unknown";
++ dev_err(&md->spi->dev, "invalid display ID\n");
++ return -ENODEV;
++ }
++
++ md->revision = md->display_id[1];
++
++ pr_info("omapfb: %s rev %02x LCD detected\n",
++ md->panel.name, md->revision);
++
++ return 0;
++}
++
++static int acx565akm_panel_enable(struct omap_display *display)
++{
++ struct acx565akm_device *md =
++ (struct acx565akm_device *)display->panel->priv;
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ mutex_lock(&md->mutex);
++
++ if (display->hw_config.panel_enable)
++ display->hw_config.panel_enable(display);
++
++ md->enabled = panel_enabled(md);
++
++ if (md->enabled) {
++ dev_dbg(&md->spi->dev, "panel already enabled\n");
++ mutex_unlock(&md->mutex);
++ return 0;
++ }
++
++ set_sleep_mode(md, 0);
++ md->enabled = 1;
++ set_display_state(md, 1);
++
++ mutex_unlock(&md->mutex);
++
++ return acx565akm_bl_update_status(md->bl_dev);
++}
++
++static void acx565akm_panel_disable(struct omap_display *display)
++{
++ struct acx565akm_device *md =
++ (struct acx565akm_device *)display->panel->priv;
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ mutex_lock(&md->mutex);
++
++ if (!md->enabled) {
++ mutex_unlock(&md->mutex);
++ return;
++ }
++ set_display_state(md, 0);
++ set_sleep_mode(md, 1);
++ md->enabled = 0;
++
++ if (display->hw_config.panel_disable)
++ display->hw_config.panel_disable(display);
++
++ mutex_unlock(&md->mutex);
++}
++
++#if 0
++static void acx565akm_set_mode(struct omap_display *display,
++ int x_res, int y_res, int bpp)
++{
++ struct acx565akm_device *md =
++ (struct acx565akm_device *)display->panel->priv;
++ u16 par;
++
++ switch (bpp) {
++ case 16:
++ par = 0x150;
++ break;
++ case 18:
++ par = 0x160;
++ break;
++ case 24:
++ par = 0x170;
++ break;
++ }
++
++ acx565akm_write(md, 0x3a, (u8 *)&par, 2);
++}
++#endif
++
++static int acx565akm_panel_suspend(struct omap_display *display)
++{
++ acx565akm_panel_disable(display);
++ return 0;
++}
++
++static int acx565akm_panel_resume(struct omap_display *display)
++{
++ return acx565akm_panel_enable(display);
++}
++
++static void acx565akm_set_brightness(struct acx565akm_device *md, int level)
++{
++ int bv;
++
++ bv = level | (1 << 8);
++ acx565akm_write(md, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
++
++ if (level)
++ enable_backlight_ctrl(md, 1);
++ else
++ enable_backlight_ctrl(md, 0);
++}
++
++static int acx565akm_get_actual_brightness(struct acx565akm_device *md)
++{
++ u8 bv;
++
++ acx565akm_read(md, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
++
++ return bv;
++}
++
++static int acx565akm_bl_update_status(struct backlight_device *dev)
++{
++ struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
++ struct omap_display *display = md->display;
++ int r;
++ int level;
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ if (display->hw_config.set_backlight == NULL)
++ return -ENODEV;
++
++ mutex_lock(&md->mutex);
++
++ if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
++ dev->props.power == FB_BLANK_UNBLANK)
++ level = dev->props.brightness;
++ else
++ level = 0;
++
++ r = 0;
++ if (md->has_bc)
++ acx565akm_set_brightness(md, level);
++ else
++ if (display->hw_config.set_backlight != NULL)
++ r = display->hw_config.set_backlight(display, level);
++ else
++ r = -ENODEV;
++
++ mutex_unlock(&md->mutex);
++
++ return r;
++}
++
++static int acx565akm_bl_get_intensity(struct backlight_device *dev)
++{
++ struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
++ struct omap_display *display = md->display;
++
++ dev_dbg(&dev->dev, "%s\n", __func__);
++
++ if (md->has_bc && display->hw_config.set_backlight == NULL)
++ return -ENODEV;
++
++ if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
++ dev->props.power == FB_BLANK_UNBLANK) {
++ if (md->has_bc)
++ return acx565akm_get_actual_brightness(md);
++ else
++ return dev->props.brightness;
++ }
++
++ return 0;
++}
++
++static struct backlight_ops acx565akm_bl_ops = {
++ .get_brightness = acx565akm_bl_get_intensity,
++ .update_status = acx565akm_bl_update_status,
++};
++
++static const char *cabc_modes[] = {
++ "off", /* used also always when CABC is not supported */
++ "ui",
++ "still-image",
++ "moving-image",
++};
++
++static ssize_t show_cabc_mode(struct device *dev,
++ struct device_attribute *attr,
++ char *buf)
++{
++ struct acx565akm_device *md = dev_get_drvdata(dev);
++ const char *mode_str;
++ int mode;
++ int len;
++
++ if (!md->has_cabc)
++ mode = 0;
++ else
++ mode = get_cabc_mode(md);
++ mode_str = "unknown";
++ if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
++ mode_str = cabc_modes[mode];
++ len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
++
++ return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
++}
++
++static ssize_t store_cabc_mode(struct device *dev,
++ struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct acx565akm_device *md = dev_get_drvdata(dev);
++ int i;
++
++ for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
++ const char *mode_str = cabc_modes[i];
++ int cmp_len = strlen(mode_str);
++
++ if (count > 0 && buf[count - 1] == '\n')
++ count--;
++ if (count != cmp_len)
++ continue;
++
++ if (strncmp(buf, mode_str, cmp_len) == 0)
++ break;
++ }
++
++ if (i == ARRAY_SIZE(cabc_modes))
++ return -EINVAL;
++
++ if (!md->has_cabc && i != 0)
++ return -EINVAL;
++
++ mutex_lock(&md->mutex);
++ set_cabc_mode(md, i);
++ mutex_unlock(&md->mutex);
++
++ return count;
++}
++
++static ssize_t show_cabc_available_modes(struct device *dev,
++ struct device_attribute *attr,
++ char *buf)
++{
++ struct acx565akm_device *md = dev_get_drvdata(dev);
++ int len;
++ int i;
++
++ if (!md->has_cabc)
++ return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
++
++ for (i = 0, len = 0;
++ len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
++ len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
++ i ? " " : "", cabc_modes[i],
++ i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
++
++ return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
++}
++
++static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
++ show_cabc_mode, store_cabc_mode);
++static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
++ show_cabc_available_modes, NULL);
++
++static struct attribute *bldev_attrs[] = {
++ &dev_attr_cabc_mode.attr,
++ &dev_attr_cabc_available_modes.attr,
++ NULL,
++};
++
++static struct attribute_group bldev_attr_group = {
++ .attrs = bldev_attrs,
++};
++
++static int acx565akm_panel_init(struct omap_display *display)
++{
++ struct omap_panel *panel = display->panel;
++ struct acx565akm_panel_data *panel_data = display->hw_config.panel_data;
++ struct acx565akm_device *md = (struct acx565akm_device *)panel->priv;
++
++ struct backlight_device *bldev;
++ int brightness;
++ int max_brightness;
++ int r;
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ if (!panel_data) {
++ dev_err(&md->spi->dev, "no panel data\n");
++ return -ENODEV;
++ }
++
++ mutex_init(&md->mutex);
++ md->display = display;
++
++ if (display->hw_config.panel_enable)
++ display->hw_config.panel_enable(display);
++
++ md->enabled = panel_enabled(md);
++
++ r = panel_detect(md);
++ if (r) {
++ if (!md->enabled && display->hw_config.panel_disable)
++ display->hw_config.panel_disable(display);
++ mutex_unlock(&md->mutex);
++ return r;
++ }
++
++ if (!panel_data->bc_connected) {
++ md->has_bc = 0;
++ md->has_cabc = 0;
++ }
++
++#if 0
++ acx565akm_set_mode(display, panel->timings.x_res, panel->timings.y_res,
++ panel->bpp);
++#endif
++
++ if (!md->enabled)
++ display->hw_config.panel_disable(display);
++
++ bldev = backlight_device_register("acx565akm", &md->spi->dev,
++ md, &acx565akm_bl_ops);
++ md->bl_dev = bldev;
++
++ if (md->has_cabc) {
++ r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
++ if (r) {
++ dev_err(&bldev->dev, "failed to create sysfs files\n");
++ backlight_device_unregister(bldev);
++ return r;
++ }
++ }
++
++ bldev->props.fb_blank = FB_BLANK_UNBLANK;
++ bldev->props.power = FB_BLANK_UNBLANK;
++
++ if (md->has_bc)
++ max_brightness = 255;
++ else
++ max_brightness = display->hw_config.max_backlight_level;
++
++ if (md->has_bc)
++ brightness = acx565akm_get_actual_brightness(md);
++ else {
++ if (display->hw_config.get_backlight != NULL)
++ brightness = display->hw_config.get_backlight(display);
++ else
++ brightness = 0;
++ }
++
++ bldev->props.max_brightness = max_brightness;
++ bldev->props.brightness = brightness;
++ acx565akm_bl_update_status(bldev);
++
++ return 0;
++}
++
++static struct omap_panel acx565akm_panel = {
++ .name = "panel-acx565akm",
++ .init = acx565akm_panel_init,
++ .suspend = acx565akm_panel_suspend,
++ .resume = acx565akm_panel_resume,
++ .enable = acx565akm_panel_enable,
++ .disable = acx565akm_panel_disable,
++
++ .timings = {
++ .x_res = 800,
++ .y_res = 480,
++
++ .pixel_clock = 24000,
++
++ .hsw = 4,
++ .hfp = 16,
++ .hbp = 12,
++
++ .vsw = 3,
++ .vfp = 3,
++ .vbp = 3,
++ },
++
++ .config = OMAP_DSS_LCD_TFT,
++
++ .recommended_bpp = 16,
++
++ /*
++ * supported modes: 12bpp(444), 16bpp(565), 18bpp(666), 24bpp(888)
++ * resolutions.
++ */
++};
++
++static int acx565akm_spi_probe(struct spi_device *spi)
++{
++ struct acx565akm_device *md;
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ md = kzalloc(sizeof(*md), GFP_KERNEL);
++ if (md == NULL) {
++ dev_err(&spi->dev, "out of memory\n");
++ return -ENOMEM;
++ }
++
++ spi->mode = SPI_MODE_3;
++ md->spi = spi;
++ dev_set_drvdata(&spi->dev, md);
++ md->panel = acx565akm_panel;
++ acx565akm_panel.priv = md;
++
++ omap_dss_register_panel(&acx565akm_panel);
++
++ return 0;
++}
++
++static int acx565akm_spi_remove(struct spi_device *spi)
++{
++ struct acx565akm_device *md = dev_get_drvdata(&spi->dev);
++
++ dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++ sysfs_remove_group(&md->bl_dev->dev.kobj, &bldev_attr_group);
++ backlight_device_unregister(md->bl_dev);
++ omap_dss_unregister_panel(&acx565akm_panel);
++
++ kfree(md);
++
++ return 0;
++}
++
++static struct spi_driver acx565akm_spi_driver = {
++ .driver = {
++ .name = "acx565akm",
++ .bus = &spi_bus_type,
++ .owner = THIS_MODULE,
++ },
++ .probe = acx565akm_spi_probe,
++ .remove = __devexit_p(acx565akm_spi_remove),
++};
++
++static int __init acx565akm_init(void)
++{
++ return spi_register_driver(&acx565akm_spi_driver);
++}
++
++static void __exit acx565akm_exit(void)
++{
++ spi_unregister_driver(&acx565akm_spi_driver);
++}
++
++module_init(acx565akm_init);
++module_exit(acx565akm_exit);
++
++MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
++MODULE_DESCRIPTION("acx565akm LCD Driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/video/omap2/displays/panel-acx565akm.h b/drivers/video/omap2/displays/panel-acx565akm.h
+new file mode 100644
+index 0000000..6d3727b
+--- /dev/null
++++ b/drivers/video/omap2/displays/panel-acx565akm.h
+@@ -0,0 +1,9 @@
++#ifndef __DRIVERS_VIDEO_OMAP2_DISPLAYS_PANEL_ACX565AKM_H
++#define __DRIVERS_VIDEO_OMAP2_DISPLAYS_PANEL_ACX565AKM_H
++
++struct acx565akm_panel_data {
++ unsigned bc_connected:1;
++};
++
++#endif
++
+--
+1.5.6.5
+