diff options
Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch')
-rw-r--r-- | recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch | 778 |
1 files changed, 778 insertions, 0 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch b/recipes/kexecboot/linux-kexecboot-2.6.29/dss2/0009-DSS2-Add-acx565akm-panel.patch new file mode 100644 index 0000000000..82a1474056 --- /dev/null +++ b/recipes/kexecboot/linux-kexecboot-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 09/69] 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 ++ +-- +1.6.2.4 + |