This patch adds support for MCDE, Memory-to-display controller
found in the ST-Ericsson ux500 products.
This patchs adds a generic DSI command display and a display framework
that can be used to add support for new types of displays.
Signed-off-by: Jimmy Rubin <jimmy.ru...@stericsson.com>
Acked-by: Linus Walleij <linus.walleij.stericsson.com>
---
drivers/video/mcde/display-generic_dsi.c | 152 +++++++++
drivers/video/mcde/mcde_display.c | 427 +++++++++++++++++++++++++
include/video/mcde/mcde_display-generic_dsi.h | 34 ++
include/video/mcde/mcde_display.h | 139 ++++++++
4 files changed, 752 insertions(+), 0 deletions(-)
create mode 100644 drivers/video/mcde/display-generic_dsi.c
create mode 100644 drivers/video/mcde/mcde_display.c
create mode 100644 include/video/mcde/mcde_display-generic_dsi.h
create mode 100644 include/video/mcde/mcde_display.h
diff --git a/drivers/video/mcde/display-generic_dsi.c
b/drivers/video/mcde/display-generic_dsi.c
new file mode 100644
index 0000000..1c1d266
--- /dev/null
+++ b/drivers/video/mcde/display-generic_dsi.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * ST-Ericsson MCDE generic DCS display driver
+ *
+ * Author: Marcus Lorentzon <marcus.xm.lorent...@stericsson.com>
+ * for ST-Ericsson.
+ *
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+
+#include <video/mcde/mcde_display.h>
+#include <video/mcde/mcde_display-generic_dsi.h>
+
+static int __devinit generic_probe(struct mcde_display_device *dev)
+{
+ int ret = 0;
+ struct mcde_display_generic_platform_data *pdata =
+ dev->dev.platform_data;
+
+ if (pdata == NULL) {
+ dev_err(&dev->dev, "%s:Platform data missing\n", __func__);
+ return -EINVAL;
+ }
+
+ if (dev->port->type != MCDE_PORTTYPE_DSI) {
+ dev_err(&dev->dev,
+ "%s:Invalid port type %d\n",
+ __func__, dev->port->type);
+ return -EINVAL;
+ }
+
+ if (!dev->platform_enable && !dev->platform_disable) {
+ pdata->generic_platform_enable = true;
+ if (pdata->reset_gpio) {
+ ret = gpio_request(pdata->reset_gpio, NULL);
+ if (ret) {
+ dev_warn(&dev->dev,
+ "%s:Failed to request gpio %d\n",
+ __func__, pdata->reset_gpio);
+ return ret;
+ }
+ }
+ if (pdata->regulator_id) {
+ pdata->regulator = regulator_get(NULL,
+ pdata->regulator_id);
+ if (IS_ERR(pdata->regulator)) {
+ ret = PTR_ERR(pdata->regulator);
+ dev_warn(&dev->dev,
+ "%s:Failed to get regulator '%s'\n",
+ __func__, pdata->regulator_id);
+ pdata->regulator = NULL;
+ goto regulator_get_failed;
+ }
+ regulator_set_voltage(pdata->regulator,
+ pdata->min_supply_voltage,
+ pdata->max_supply_voltage);
+ }
+ }
+
+ /* TODO: Remove when DSI send command uses interrupts */
+ dev->prepare_for_update = NULL;
+ dev_info(&dev->dev, "Generic display probed\n");
+
+ return 0;
+
+regulator_get_failed:
+ if (pdata->generic_platform_enable && pdata->reset_gpio)
+ gpio_free(pdata->reset_gpio);
+ return ret;
+}
+
+static int __devexit generic_remove(struct mcde_display_device *dev)
+{
+ struct mcde_display_generic_platform_data *pdata =
+ dev->dev.platform_data;
+
+ dev->set_power_mode(dev, MCDE_DISPLAY_PM_OFF);
+
+ if (!pdata->generic_platform_enable)
+ return 0;
+
+ if (pdata->regulator)
+ regulator_put(pdata->regulator);
+ if (pdata->reset_gpio) {
+ gpio_direction_input(pdata->reset_gpio);
+ gpio_free(pdata->reset_gpio);
+ }
+
+ return 0;
+}
+
+static int generic_resume(struct mcde_display_device *ddev)
+{
+ int ret;
+
+ /* set_power_mode will handle call platform_enable */
+ ret = ddev->set_power_mode(ddev, MCDE_DISPLAY_PM_STANDBY);
+ if (ret < 0)
+ dev_warn(&ddev->dev, "%s:Failed to resume display\n"
+ , __func__);
+ return ret;
+}
+
+static int generic_suspend(struct mcde_display_device *ddev, pm_message_t
state)
+{
+ int ret;
+
+ /* set_power_mode will handle call platform_disable */
+ ret = ddev->set_power_mode(ddev, MCDE_DISPLAY_PM_OFF);
+ if (ret < 0)
+ dev_warn(&ddev->dev, "%s:Failed to suspend display\n"
+ , __func__);
+ return ret;
+}
+
+static struct mcde_display_driver generic_driver = {
+ .probe = generic_probe,
+ .remove = generic_remove,
+ .suspend = generic_suspend,
+ .resume = generic_resume,
+ .driver = {
+ .name = "mcde_disp_generic",
+ },
+};
+
+/* Module init */
+static int __init mcde_display_generic_init(void)
+{
+ pr_info("%s\n", __func__);
+
+ return mcde_display_driver_register(&generic_driver);
+}
+module_init(mcde_display_generic_init);
+
+static void __exit mcde_display_generic_exit(void)
+{
+ pr_info("%s\n", __func__);
+
+ mcde_display_driver_unregister(&generic_driver);
+}
+module_exit(mcde_display_generic_exit);
+
+MODULE_AUTHOR("Marcus Lorentzon <marcus.xm.lorent...@stericsson.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ST-Ericsson MCDE generic DCS display driver");
diff --git a/drivers/video/mcde/mcde_display.c
b/drivers/video/mcde/mcde_display.c
new file mode 100644
index 0000000..25f5ff3
--- /dev/null
+++ b/drivers/video/mcde/mcde_display.c
@@ -0,0 +1,427 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * ST-Ericsson MCDE display driver
+ *
+ * Author: Marcus Lorentzon <marcus.xm.lorent...@stericsson.com>
+ * for ST-Ericsson.
+ *
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+
+#include <video/mcde/mcde_display.h>
+
+/*temp*/
+#include <linux/delay.h>
+
+static void mcde_display_get_native_resolution_default(
+ struct mcde_display_device *ddev, u16 *x_res, u16 *y_res)
+{
+ if (x_res)
+ *x_res = ddev->native_x_res;
+ if (y_res)
+ *y_res = ddev->native_y_res;
+}
+
+static enum mcde_ovly_pix_fmt mcde_display_get_default_pixel_format_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->default_pixel_format;
+}
+
+static void mcde_display_get_physical_size_default(
+ struct mcde_display_device *ddev, u16 *width, u16 *height)
+{
+ if (width)
+ *width = ddev->physical_width;
+ if (height)
+ *height = ddev->physical_height;
+}
+
+static int mcde_display_set_power_mode_default(struct mcde_display_device
*ddev,
+ enum mcde_display_power_mode power_mode)
+{
+ int ret = 0;
+
+ /* OFF -> STANDBY */
+ if (ddev->power_mode == MCDE_DISPLAY_PM_OFF &&
+ power_mode != MCDE_DISPLAY_PM_OFF) {
+ if (ddev->platform_enable) {
+ ret = ddev->platform_enable(ddev);
+ if (ret)
+ return ret;
+ }
+ ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
+ }
+
+ if (ddev->port->type == MCDE_PORTTYPE_DSI) {
+ /* STANDBY -> ON */
+ if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
+ power_mode == MCDE_DISPLAY_PM_ON) {
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_EXIT_SLEEP_MODE, NULL, 0);
+ if (ret)
+ return ret;
+
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_SET_DISPLAY_ON, NULL, 0);
+ if (ret)
+ return ret;
+
+ ddev->power_mode = MCDE_DISPLAY_PM_ON;
+ goto set_power_and_exit;
+ }
+ /* ON -> STANDBY */
+ else if (ddev->power_mode == MCDE_DISPLAY_PM_ON &&
+ power_mode <= MCDE_DISPLAY_PM_STANDBY) {
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_SET_DISPLAY_OFF, NULL, 0);
+ if (ret)
+ return ret;
+
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_ENTER_SLEEP_MODE, NULL, 0);
+ if (ret)
+ return ret;
+
+ ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
+ goto set_power_and_exit;
+ }
+ } else if (ddev->port->type == MCDE_PORTTYPE_DPI)
+ ddev->power_mode = power_mode;
+ else if (ddev->power_mode != power_mode)
+ return -EINVAL;
+
+ /* SLEEP -> OFF */
+ if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
+ power_mode == MCDE_DISPLAY_PM_OFF) {
+ if (ddev->platform_disable) {
+ ret = ddev->platform_disable(ddev);
+ if (ret)
+ return ret;
+ }
+ ddev->power_mode = MCDE_DISPLAY_PM_OFF;
+ }
+
+set_power_and_exit:
+ mcde_chnl_set_power_mode(ddev->chnl_state, ddev->power_mode);
+
+ return ret;
+}
+
+static inline enum mcde_display_power_mode mcde_display_get_power_mode_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->power_mode;
+}
+
+static inline int mcde_display_try_video_mode_default(
+ struct mcde_display_device *ddev,
+ struct mcde_video_mode *video_mode)
+{
+ /* TODO Check if inside native_xres and native_yres */
+ return 0;
+}
+
+static int mcde_display_set_video_mode_default(struct mcde_display_device
*ddev,
+ struct mcde_video_mode *video_mode)
+{
+ int ret;
+ struct mcde_video_mode channel_video_mode;
+
+ if (!video_mode)
+ return -EINVAL;
+
+ ddev->video_mode = *video_mode;
+ channel_video_mode = ddev->video_mode;
+ /* Dependant on if display should rotate or MCDE should rotate */
+ if (ddev->rotation == MCDE_DISPLAY_ROT_90_CCW ||
+ ddev->rotation == MCDE_DISPLAY_ROT_90_CW) {
+ channel_video_mode.xres = ddev->native_x_res;
+ channel_video_mode.yres = ddev->native_y_res;
+ }
+ ret = mcde_chnl_set_video_mode(ddev->chnl_state, &channel_video_mode);
+ if (ret < 0) {
+ dev_warn(&ddev->dev, "%s:Failed to set video mode\n", __func__);
+ return ret;
+ }
+
+ ddev->update_flags |= UPDATE_FLAG_VIDEO_MODE;
+
+ return 0;
+}
+
+static inline void mcde_display_get_video_mode_default(
+ struct mcde_display_device *ddev, struct mcde_video_mode *video_mode)
+{
+ if (video_mode)
+ *video_mode = ddev->video_mode;
+}
+
+static int mcde_display_set_pixel_format_default(
+ struct mcde_display_device *ddev, enum mcde_ovly_pix_fmt format)
+{
+ int ret;
+
+ ddev->pixel_format = format;
+ ret = mcde_chnl_set_pixel_format(ddev->chnl_state,
+ ddev->port->pixel_format);
+ if (ret < 0) {
+ dev_warn(&ddev->dev, "%s:Failed to set pixel format = %d\n",
+ __func__, format);
+ return ret;
+ }
+
+ ddev->update_flags |= UPDATE_FLAG_PIXEL_FORMAT;
+
+ return 0;
+}
+
+static inline enum mcde_ovly_pix_fmt mcde_display_get_pixel_format_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->pixel_format;
+}
+
+static inline enum mcde_port_pix_fmt
mcde_display_get_port_pixel_format_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->port->pixel_format;
+}
+
+static int mcde_display_set_rotation_default(struct mcde_display_device *ddev,
+ enum mcde_display_rotation rotation)
+{
+ int ret;
+
+ ret = mcde_chnl_set_rotation(ddev->chnl_state, rotation,
+ ddev->rotbuf1, ddev->rotbuf2);
+ if (ret < 0) {
+ dev_warn(&ddev->dev, "%s:Failed to set rotation = %d\n",
+ __func__, rotation);
+ return ret;
+ }
+
+ ddev->rotation = rotation;
+ ddev->update_flags |= UPDATE_FLAG_ROTATION;
+
+ return 0;
+}
+
+static inline enum mcde_display_rotation mcde_display_get_rotation_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->rotation;
+}
+
+static int mcde_display_set_synchronized_update_default(
+ struct mcde_display_device *ddev, bool enable)
+{
+ if (ddev->port->type == MCDE_PORTTYPE_DSI && enable) {
+ int ret;
+ u8 m = 0;
+
+ if (ddev->port->sync_src == MCDE_SYNCSRC_OFF)
+ return -EINVAL;
+
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_SET_TEAR_ON, &m, 1);
+ if (ret < 0) {
+ dev_warn(&ddev->dev,
+ "%s:Failed to set synchornized update = %d\n",
+ __func__, enable);
+ return ret;
+ }
+ }
+ ddev->synchronized_update = enable;
+ return 0;
+}
+
+static inline bool mcde_display_get_synchronized_update_default(
+ struct mcde_display_device *ddev)
+{
+ return ddev->synchronized_update;
+}
+
+static int mcde_display_apply_config_default(struct mcde_display_device *ddev)
+{
+ int ret;
+
+ ret = mcde_chnl_enable_synchronized_update(ddev->chnl_state,
+ ddev->synchronized_update);
+
+ if (ret < 0) {
+ dev_warn(&ddev->dev,
+ "%s:Failed to enable synchronized update\n",
+ __func__);
+ return ret;
+ }
+
+ if (!ddev->update_flags)
+ return 0;
+
+ if ((ddev->update_flags & UPDATE_FLAG_VIDEO_MODE) ||
+ (ddev->update_flags & UPDATE_FLAG_PIXEL_FORMAT))
+ mcde_chnl_stop_flow(ddev->chnl_state);
+
+ ret = mcde_chnl_apply(ddev->chnl_state);
+ if (ret < 0) {
+ dev_warn(&ddev->dev, "%s:Failed to apply to channel\n",
+ __func__);
+ return ret;
+ }
+ ddev->update_flags = 0;
+ ddev->first_update = true;
+
+ return 0;
+}
+
+static int mcde_display_invalidate_area_default(
+ struct mcde_display_device *ddev,
+ struct mcde_rectangle *area)
+{
+ dev_vdbg(&ddev->dev, "%s\n", __func__);
+ if (area) {
+ /* take union of rects */
+ u16 t;
+ t = min(ddev->update_area.x, area->x);
+ /* note should be > 0 */
+ ddev->update_area.w = max(ddev->update_area.x +
+ ddev->update_area.w,
+ area->x + area->w) - t;
+ ddev->update_area.x = t;
+ t = min(ddev->update_area.y, area->y);
+ ddev->update_area.h = max(ddev->update_area.y +
+ ddev->update_area.h,
+ area->y + area->h) - t;
+ ddev->update_area.y = t;
+ /* TODO: Implement real clipping when partial refresh is
+ activated.*/
+ ddev->update_area.w = min((u16) ddev->video_mode.xres,
+ (u16) ddev->update_area.w);
+ ddev->update_area.h = min((u16) ddev->video_mode.yres,
+ (u16) ddev->update_area.h);
+ } else {
+ ddev->update_area.x = 0;
+ ddev->update_area.y = 0;
+ ddev->update_area.w = ddev->video_mode.xres;
+ ddev->update_area.h = ddev->video_mode.yres;
+ /* Invalidate_area(ddev, NULL) means reset area to empty
+ * rectangle really. After that the rectangle should grow by
+ * taking an union (above). This means that the code should
+ * really look like below, however the code above is a temp fix
+ * for rotation.
+ * TODO: fix
+ * ddev->update_area.x = ddev->video_mode.xres;
+ * ddev->update_area.y = ddev->video_mode.yres;
+ * ddev->update_area.w = 0;
+ * ddev->update_area.h = 0;
+ */
+ }
+
+ return 0;
+}
+
+static int mcde_display_update_default(struct mcde_display_device *ddev)
+{
+ int ret;
+
+ /* TODO: Dirty */
+ if (ddev->prepare_for_update) {
+ /* TODO: Send dirty rectangle */
+ ret = ddev->prepare_for_update(ddev, 0, 0,
+ ddev->native_x_res, ddev->native_y_res);
+ if (ret < 0) {
+ dev_warn(&ddev->dev,
+ "%s:Failed to prepare for update\n", __func__);
+ return ret;
+ }
+ }
+ /* TODO: Calculate & set update rect */
+ ret = mcde_chnl_update(ddev->chnl_state, &ddev->update_area);
+ if (ret < 0) {
+ dev_warn(&ddev->dev, "%s:Failed to update channel\n", __func__);
+ return ret;
+ }
+ if (ddev->first_update && ddev->on_first_update)
+ ddev->on_first_update(ddev);
+
+ if (ddev->power_mode != MCDE_DISPLAY_PM_ON && ddev->set_power_mode) {
+ ret = ddev->set_power_mode(ddev, MCDE_DISPLAY_PM_ON);
+ if (ret < 0) {
+ dev_warn(&ddev->dev,
+ "%s:Failed to set power mode to on\n",
+ __func__);
+ return ret;
+ }
+ }
+
+ dev_vdbg(&ddev->dev, "Overlay updated, chnl=%d\n", ddev->chnl_id);
+
+ return 0;
+}
+
+static int mcde_display_prepare_for_update_default(
+ struct mcde_display_device *ddev,
+ u16 x, u16 y, u16 w, u16 h)
+{
+ int ret;
+ u8 params[8] = { x >> 8, x & 0xff,
+ (x + w - 1) >> 8, (x + w - 1) & 0xff,
+ y >> 8, y & 0xff,
+ (y + h - 1) >> 8, (y + h - 1) & 0xff };
+
+ if (ddev->port->type != MCDE_PORTTYPE_DSI)
+ return -EINVAL;
+
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_SET_COLUMN_ADDRESS, ¶ms[0], 4);
+ if (ret)
+ return ret;
+
+ ret = mcde_dsi_dcs_write(ddev->chnl_state,
+ DCS_CMD_SET_PAGE_ADDRESS, ¶ms[4], 4);
+
+ return ret;
+}
+
+static inline int mcde_display_on_first_update_default(
+ struct mcde_display_device *ddev)
+{
+ ddev->first_update = false;
+ return 0;
+}
+
+void mcde_display_init_device(struct mcde_display_device *ddev)
+{
+ /* Setup default callbacks */
+ ddev->get_native_resolution =
+ mcde_display_get_native_resolution_default;
+ ddev->get_default_pixel_format =
+ mcde_display_get_default_pixel_format_default;
+ ddev->get_physical_size = mcde_display_get_physical_size_default;
+ ddev->set_power_mode = mcde_display_set_power_mode_default;
+ ddev->get_power_mode = mcde_display_get_power_mode_default;
+ ddev->try_video_mode = mcde_display_try_video_mode_default;
+ ddev->set_video_mode = mcde_display_set_video_mode_default;
+ ddev->get_video_mode = mcde_display_get_video_mode_default;
+ ddev->set_pixel_format = mcde_display_set_pixel_format_default;
+ ddev->get_pixel_format = mcde_display_get_pixel_format_default;
+ ddev->get_port_pixel_format =
+ mcde_display_get_port_pixel_format_default;
+ ddev->set_rotation = mcde_display_set_rotation_default;
+ ddev->get_rotation = mcde_display_get_rotation_default;
+ ddev->set_synchronized_update =
+ mcde_display_set_synchronized_update_default;
+ ddev->get_synchronized_update =
+ mcde_display_get_synchronized_update_default;
+ ddev->apply_config = mcde_display_apply_config_default;
+ ddev->invalidate_area = mcde_display_invalidate_area_default;
+ ddev->update = mcde_display_update_default;
+ ddev->prepare_for_update = mcde_display_prepare_for_update_default;
+ ddev->on_first_update = mcde_display_on_first_update_default;
+}
+
diff --git a/include/video/mcde/mcde_display-generic_dsi.h
b/include/video/mcde/mcde_display-generic_dsi.h
new file mode 100644
index 0000000..4879061
--- /dev/null
+++ b/include/video/mcde/mcde_display-generic_dsi.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * ST-Ericsson MCDE generic DCS display driver
+ *
+ * Author: Marcus Lorentzon <marcus.xm.lorent...@stericsson.com>
+ * for ST-Ericsson.
+ *
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+#ifndef __MCDE_DISPLAY_GENERIC__H__
+#define __MCDE_DISPLAY_GENERIC__H__
+
+#include <linux/regulator/consumer.h>
+
+#include "mcde_display.h"
+
+struct mcde_display_generic_platform_data {
+ /* Platform info */
+ int reset_gpio;
+ bool reset_high;
+ const char *regulator_id;
+ int reset_delay; /* ms */
+ u32 ddb_id;
+
+ /* Driver data */
+ bool generic_platform_enable;
+ struct regulator *regulator;
+ int max_supply_voltage;
+ int min_supply_voltage;
+};
+
+#endif /* __MCDE_DISPLAY_GENERIC__H__ */
+
diff --git a/include/video/mcde/mcde_display.h
b/include/video/mcde/mcde_display.h
new file mode 100644
index 0000000..8dfdbb5
--- /dev/null
+++ b/include/video/mcde/mcde_display.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * ST-Ericsson MCDE display driver
+ *
+ * Author: Marcus Lorentzon <marcus.xm.lorent...@stericsson.com>
+ * for ST-Ericsson.
+ *
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+#ifndef __MCDE_DISPLAY__H__
+#define __MCDE_DISPLAY__H__
+
+#include <linux/device.h>
+#include <linux/pm.h>
+
+#include <video/mcde/mcde.h>
+
+#define UPDATE_FLAG_PIXEL_FORMAT 0x1
+#define UPDATE_FLAG_VIDEO_MODE 0x2
+#define UPDATE_FLAG_ROTATION 0x4
+
+#define to_mcde_display_device(__dev) \
+ container_of((__dev), struct mcde_display_device, dev)
+
+struct mcde_display_device {
+ /* MCDE driver static */
+ struct device dev;
+ const char *name;
+ int id;
+ struct mcde_port *port;
+
+ /* MCDE dss driver internal */
+ bool initialized;
+ enum mcde_chnl chnl_id;
+ enum mcde_fifo fifo;
+ bool first_update;
+
+ bool enabled;
+ struct mcde_chnl_state *chnl_state;
+ struct list_head ovlys;
+ struct mcde_rectangle update_area;
+ /* TODO: Remove once ESRAM allocator is done */
+ u32 rotbuf1;
+ u32 rotbuf2;
+
+ /* Display driver internal */
+ u16 native_x_res;
+ u16 native_y_res;
+ u16 physical_width;
+ u16 physical_height;
+ enum mcde_display_power_mode power_mode;
+ enum mcde_ovly_pix_fmt default_pixel_format;
+ enum mcde_ovly_pix_fmt pixel_format;
+ enum mcde_display_rotation rotation;
+ bool synchronized_update;
+ struct mcde_video_mode video_mode;
+ int update_flags;
+
+ /* Driver API */
+ void (*get_native_resolution)(struct mcde_display_device *dev,
+ u16 *x_res, u16 *y_res);
+ enum mcde_ovly_pix_fmt (*get_default_pixel_format)(
+ struct mcde_display_device *dev);
+ void (*get_physical_size)(struct mcde_display_device *dev,
+ u16 *x_size, u16 *y_size);
+
+ int (*set_power_mode)(struct mcde_display_device *dev,
+ enum mcde_display_power_mode power_mode);
+ enum mcde_display_power_mode (*get_power_mode)(
+ struct mcde_display_device *dev);
+
+ int (*try_video_mode)(struct mcde_display_device *dev,
+ struct mcde_video_mode *video_mode);
+ int (*set_video_mode)(struct mcde_display_device *dev,
+ struct mcde_video_mode *video_mode);
+ void (*get_video_mode)(struct mcde_display_device *dev,
+ struct mcde_video_mode *video_mode);
+
+ int (*set_pixel_format)(struct mcde_display_device *dev,
+ enum mcde_ovly_pix_fmt pix_fmt);
+ enum mcde_ovly_pix_fmt (*get_pixel_format)(
+ struct mcde_display_device *dev);
+ enum mcde_port_pix_fmt (*get_port_pixel_format)(
+ struct mcde_display_device *dev);
+
+ int (*set_rotation)(struct mcde_display_device *dev,
+ enum mcde_display_rotation rotation);
+ enum mcde_display_rotation (*get_rotation)(
+ struct mcde_display_device *dev);
+
+ int (*set_synchronized_update)(struct mcde_display_device *dev,
+ bool enable);
+ bool (*get_synchronized_update)(struct mcde_display_device *dev);
+
+ int (*apply_config)(struct mcde_display_device *dev);
+ int (*invalidate_area)(struct mcde_display_device *dev,
+ struct mcde_rectangle *area);
+ int (*update)(struct mcde_display_device *dev);
+ int (*prepare_for_update)(struct mcde_display_device *dev,
+ u16 x, u16 y, u16 w, u16 h);
+ int (*on_first_update)(struct mcde_display_device *dev);
+ int (*platform_enable)(struct mcde_display_device *dev);
+ int (*platform_disable)(struct mcde_display_device *dev);
+};
+
+struct mcde_display_driver {
+ int (*probe)(struct mcde_display_device *dev);
+ int (*remove)(struct mcde_display_device *dev);
+ void (*shutdown)(struct mcde_display_device *dev);
+ int (*suspend)(struct mcde_display_device *dev,
+ pm_message_t state);
+ int (*resume)(struct mcde_display_device *dev);
+
+ struct device_driver driver;
+};
+
+/* MCDE dsi (Used by MCDE display drivers) */
+
+int mcde_display_dsi_dcs_write(struct mcde_display_device *dev,
+ u8 cmd, u8 *data, int len);
+int mcde_display_dsi_dcs_read(struct mcde_display_device *dev,
+ u8 cmd, u8 *data, int *len);
+int mcde_display_dsi_bta_sync(struct mcde_display_device *dev);
+
+/* MCDE display bus */
+
+int mcde_display_driver_register(struct mcde_display_driver *drv);
+void mcde_display_driver_unregister(struct mcde_display_driver *drv);
+int mcde_display_device_register(struct mcde_display_device *dev);
+void mcde_display_device_unregister(struct mcde_display_device *dev);
+
+void mcde_display_init_device(struct mcde_display_device *dev);
+
+int mcde_display_init(void);
+void mcde_display_exit(void);
+
+#endif /* __MCDE_DISPLAY__H__ */
+
--
1.6.3.3
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