source "drivers/video/omap2/dss/Kconfig"
source "drivers/video/omap2/omapfb/Kconfig"
-source "drivers/video/omap2/displays/Kconfig"
source "drivers/video/omap2/displays-new/Kconfig"
endif
obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
obj-$(CONFIG_OMAP2_DSS) += dss/
-obj-y += displays/
obj-y += displays-new/
obj-$(CONFIG_FB_OMAP2) += omapfb/
+++ /dev/null
-menu "OMAP2/3 Display Device Drivers (old device model)"
- depends on OMAP2_DSS
-
-config PANEL_GENERIC_DPI
- tristate "Generic DPI Panel"
- depends on OMAP2_DSS_DPI
- help
- Generic DPI panel driver.
- Supports DVI output for Beagle and OMAP3 SDP.
- Supports LCD Panel used in TI SDP3430 and EVM boards,
- OMAP3517 EVM boards and CM-T35.
-
-config PANEL_TFP410
- tristate "TFP410 DPI-to-DVI chip"
- depends on OMAP2_DSS_DPI && I2C
- help
- Driver for TFP410 DPI-to-DVI chip. The driver uses i2c to read EDID
- information from the monitor.
-
-config PANEL_LGPHILIPS_LB035Q02
- tristate "LG.Philips LB035Q02 LCD Panel"
- depends on OMAP2_DSS_DPI && SPI
- help
- LCD Panel used on the Gumstix Overo Palo35
-
-config PANEL_SHARP_LS037V7DW01
- tristate "Sharp LS037V7DW01 LCD Panel"
- depends on OMAP2_DSS_DPI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- LCD Panel used in TI's SDP3430 and EVM boards
-
-config PANEL_NEC_NL8048HL11_01B
- tristate "NEC NL8048HL11-01B Panel"
- depends on OMAP2_DSS_DPI
- depends on SPI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- This NEC NL8048HL11-01B panel is TFT LCD
- used in the Zoom2/3/3630 sdp boards.
-
-config PANEL_PICODLP
- tristate "TI PICO DLP mini-projector"
- depends on OMAP2_DSS_DPI && I2C
- help
- A mini-projector used in TI's SDP4430 and EVM boards
- For more info please visit http://www.dlp.com/projector/
-
-config PANEL_TAAL
- tristate "Taal DSI Panel"
- depends on OMAP2_DSS_DSI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- Taal DSI command mode panel from TPO.
-
-config PANEL_TPO_TD043MTEA1
- tristate "TPO TD043MTEA1 LCD Panel"
- depends on OMAP2_DSS_DPI && SPI
- help
- LCD Panel used in OMAP3 Pandora
-
-config PANEL_ACX565AKM
- tristate "ACX565AKM Panel"
- depends on OMAP2_DSS_SDI && SPI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- This is the LCD panel used on Nokia N900
-
-config PANEL_N8X0
- tristate "N8X0 Panel"
- depends on OMAP2_DSS_RFBI && SPI
- depends on BACKLIGHT_CLASS_DEVICE
- help
- This is the LCD panel used on Nokia N8x0
-endmenu
+++ /dev/null
-obj-$(CONFIG_PANEL_GENERIC_DPI) += panel-generic-dpi.o
-obj-$(CONFIG_PANEL_TFP410) += panel-tfp410.o
-obj-$(CONFIG_PANEL_LGPHILIPS_LB035Q02) += panel-lgphilips-lb035q02.o
-obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
-obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o
-
-obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
-obj-$(CONFIG_PANEL_PICODLP) += panel-picodlp.o
-obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
-obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
-obj-$(CONFIG_PANEL_N8X0) += panel-n8x0.o
+++ /dev/null
-/*
- * Support for ACX565AKM LCD Panel used on Nokia N900
- *
- * Copyright (C) 2010 Nokia Corporation
- *
- * Original Driver Author: Imre Deak <imre.deak@nokia.com>
- * Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@nokia.com>
- * Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.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 <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.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 {
- char *name;
- int enabled;
- int model;
- int revision;
- u8 display_id[3];
- unsigned has_bc:1;
- unsigned has_cabc:1;
- unsigned cabc_mode;
- 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_dss_device *dssdev;
- struct backlight_device *bl_dev;
-};
-
-static struct acx565akm_device acx_dev;
-static int acx565akm_bl_update_status(struct backlight_device *dev);
-
-/*--------------------MIPID interface-----------------------------*/
-
-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);
- }
-}
-
-/*----------------------MIPID wrappers----------------------------*/
-
-static void set_sleep_mode(struct acx565akm_device *md, int on)
-{
- int cmd;
-
- if (on)
- cmd = MIPID_CMD_SLEEP_IN;
- else
- cmd = MIPID_CMD_SLEEP_OUT;
- /*
- * We have to keep 120msec between sleep in/out commands.
- * (8.2.15, 8.2.16).
- */
- hw_guard_wait(md);
- acx565akm_cmd(md, cmd);
- hw_guard_start(md, 120);
-}
-
-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 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->name = "acx565akm";
- md->has_bc = 1;
- md->has_cabc = 1;
- break;
- case 0x29:
- md->model = MIPID_VER_L4F00311;
- md->name = "l4f00311";
- break;
- case 0x45:
- md->model = MIPID_VER_LPH8923;
- md->name = "lph8923";
- break;
- case 0x83:
- md->model = MIPID_VER_LS041Y3;
- md->name = "ls041y3";
- break;
- default:
- md->name = "unknown";
- dev_err(&md->spi->dev, "invalid display ID\n");
- return -ENODEV;
- }
-
- md->revision = md->display_id[1];
-
- dev_info(&md->spi->dev, "omapfb: %s rev %02x LCD detected\n",
- md->name, md->revision);
-
- return 0;
-}
-
-/*----------------------Backlight Control-------------------------*/
-
-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, unsigned mode)
-{
- u16 cabc_ctrl;
-
- md->cabc_mode = mode;
- if (!md->enabled)
- return;
- 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 unsigned get_cabc_mode(struct acx565akm_device *md)
-{
- return md->cabc_mode;
-}
-
-static unsigned get_hw_cabc_mode(struct acx565akm_device *md)
-{
- u8 cabc_ctrl;
-
- acx565akm_read(md, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
- return cabc_ctrl & 3;
-}
-
-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);
- int r;
- int level;
-
- dev_dbg(&md->spi->dev, "%s\n", __func__);
-
- 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
- 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);
-
- dev_dbg(&dev->dev, "%s\n", __func__);
-
- if (!md->has_bc)
- 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 const struct backlight_ops acx565akm_bl_ops = {
- .get_brightness = acx565akm_bl_get_intensity,
- .update_status = acx565akm_bl_update_status,
-};
-
-/*--------------------Auto Brightness control via Sysfs---------------------*/
-
-static const char *cabc_modes[] = {
- "off", /* always used 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,
-};
-
-
-/*---------------------------ACX Panel----------------------------*/
-
-static int acx_get_recommended_bpp(struct omap_dss_device *dssdev)
-{
- return 16;
-}
-
-static struct omap_video_timings acx_panel_timings = {
- .x_res = 800,
- .y_res = 480,
- .pixel_clock = 24000,
- .hfp = 28,
- .hsw = 4,
- .hbp = 24,
- .vfp = 3,
- .vsw = 3,
- .vbp = 4,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
-
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-static struct panel_acx565akm_data *get_panel_data(struct omap_dss_device *dssdev)
-{
- return (struct panel_acx565akm_data *) dssdev->data;
-}
-
-static int acx_panel_probe(struct omap_dss_device *dssdev)
-{
- int r;
- struct acx565akm_device *md = &acx_dev;
- struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
- struct backlight_device *bldev;
- int max_brightness, brightness;
- struct backlight_properties props;
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
-
- if (!panel_data)
- return -EINVAL;
-
- /* FIXME AC bias ? */
- dssdev->panel.timings = acx_panel_timings;
-
- if (gpio_is_valid(panel_data->reset_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, panel_data->reset_gpio,
- GPIOF_OUT_INIT_LOW, "lcd reset");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(panel_data->reset_gpio))
- gpio_set_value(panel_data->reset_gpio, 1);
-
- /*
- * After reset we have to wait 5 msec before the first
- * command can be sent.
- */
- msleep(5);
-
- md->enabled = panel_enabled(md);
-
- r = panel_detect(md);
- if (r) {
- dev_err(dssdev->dev, "%s panel detect error\n", __func__);
- if (!md->enabled && gpio_is_valid(panel_data->reset_gpio))
- gpio_set_value(panel_data->reset_gpio, 0);
-
- return r;
- }
-
- mutex_lock(&acx_dev.mutex);
- acx_dev.dssdev = dssdev;
- mutex_unlock(&acx_dev.mutex);
-
- if (!md->enabled) {
- if (gpio_is_valid(panel_data->reset_gpio))
- gpio_set_value(panel_data->reset_gpio, 0);
- }
-
- /*------- Backlight control --------*/
-
- memset(&props, 0, sizeof(props));
- props.fb_blank = FB_BLANK_UNBLANK;
- props.power = FB_BLANK_UNBLANK;
- props.type = BACKLIGHT_RAW;
-
- bldev = backlight_device_register("acx565akm", &md->spi->dev,
- md, &acx565akm_bl_ops, &props);
- md->bl_dev = bldev;
- if (md->has_cabc) {
- r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
- if (r) {
- dev_err(&bldev->dev,
- "%s failed to create sysfs files\n", __func__);
- backlight_device_unregister(bldev);
- return r;
- }
- md->cabc_mode = get_hw_cabc_mode(md);
- }
-
- max_brightness = 255;
-
- if (md->has_bc)
- brightness = acx565akm_get_actual_brightness(md);
- else
- brightness = 0;
-
- bldev->props.max_brightness = max_brightness;
- bldev->props.brightness = brightness;
-
- acx565akm_bl_update_status(bldev);
- return 0;
-}
-
-static void acx_panel_remove(struct omap_dss_device *dssdev)
-{
- struct acx565akm_device *md = &acx_dev;
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
- sysfs_remove_group(&md->bl_dev->dev.kobj, &bldev_attr_group);
- backlight_device_unregister(md->bl_dev);
- mutex_lock(&acx_dev.mutex);
- acx_dev.dssdev = NULL;
- mutex_unlock(&acx_dev.mutex);
-}
-
-static int acx_panel_power_on(struct omap_dss_device *dssdev)
-{
- struct acx565akm_device *md = &acx_dev;
- struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
- int r;
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- mutex_lock(&md->mutex);
-
- omapdss_sdi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_sdi_set_datapairs(dssdev, dssdev->phy.sdi.datapairs);
-
- r = omapdss_sdi_display_enable(dssdev);
- if (r) {
- pr_err("%s sdi enable failed\n", __func__);
- goto fail_unlock;
- }
-
- /*FIXME tweak me */
- msleep(50);
-
- if (gpio_is_valid(panel_data->reset_gpio))
- gpio_set_value(panel_data->reset_gpio, 1);
-
- if (md->enabled) {
- dev_dbg(&md->spi->dev, "panel already enabled\n");
- mutex_unlock(&md->mutex);
- return 0;
- }
-
- /*
- * We have to meet all the following delay requirements:
- * 1. tRW: reset pulse width 10usec (7.12.1)
- * 2. tRT: reset cancel time 5msec (7.12.1)
- * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
- * case (7.6.2)
- * 4. 120msec before the sleep out command (7.12.1)
- */
- msleep(120);
-
- set_sleep_mode(md, 0);
- md->enabled = 1;
-
- /* 5msec between sleep out and the next command. (8.2.16) */
- msleep(5);
- set_display_state(md, 1);
- set_cabc_mode(md, md->cabc_mode);
-
- mutex_unlock(&md->mutex);
-
- return acx565akm_bl_update_status(md->bl_dev);
-
-fail_unlock:
- mutex_unlock(&md->mutex);
- return r;
-}
-
-static void acx_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct acx565akm_device *md = &acx_dev;
- struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- 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;
- /*
- * We have to provide PCLK,HS,VS signals for 2 frames (worst case
- * ~50msec) after sending the sleep in command and asserting the
- * reset signal. We probably could assert the reset w/o the delay
- * but we still delay to avoid possible artifacts. (7.6.1)
- */
- msleep(50);
-
- if (gpio_is_valid(panel_data->reset_gpio))
- gpio_set_value(panel_data->reset_gpio, 0);
-
- /* FIXME need to tweak this delay */
- msleep(100);
-
- omapdss_sdi_display_disable(dssdev);
-
- mutex_unlock(&md->mutex);
-}
-
-static int acx_panel_enable(struct omap_dss_device *dssdev)
-{
- int r;
-
- dev_dbg(dssdev->dev, "%s\n", __func__);
- r = acx_panel_power_on(dssdev);
-
- if (r)
- return r;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
- return 0;
-}
-
-static void acx_panel_disable(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "%s\n", __func__);
- acx_panel_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static void acx_panel_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- omapdss_sdi_set_timings(dssdev, timings);
-
- dssdev->panel.timings = *timings;
-}
-
-static int acx_panel_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- return 0;
-}
-
-
-static struct omap_dss_driver acx_panel_driver = {
- .probe = acx_panel_probe,
- .remove = acx_panel_remove,
-
- .enable = acx_panel_enable,
- .disable = acx_panel_disable,
-
- .set_timings = acx_panel_set_timings,
- .check_timings = acx_panel_check_timings,
-
- .get_recommended_bpp = acx_get_recommended_bpp,
-
- .driver = {
- .name = "panel-acx565akm",
- .owner = THIS_MODULE,
- },
-};
-
-/*--------------------SPI probe-------------------------*/
-
-static int acx565akm_spi_probe(struct spi_device *spi)
-{
- struct acx565akm_device *md = &acx_dev;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->mode = SPI_MODE_3;
- md->spi = spi;
- mutex_init(&md->mutex);
- dev_set_drvdata(&spi->dev, md);
-
- omap_dss_register_driver(&acx_panel_driver);
-
- 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__);
- omap_dss_unregister_driver(&acx_panel_driver);
-
- return 0;
-}
-
-static struct spi_driver acx565akm_spi_driver = {
- .driver = {
- .name = "acx565akm",
- .owner = THIS_MODULE,
- },
- .probe = acx565akm_spi_probe,
- .remove = acx565akm_spi_remove,
-};
-
-module_spi_driver(acx565akm_spi_driver);
-
-MODULE_AUTHOR("Nokia Corporation");
-MODULE_DESCRIPTION("acx565akm LCD Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Generic DPI Panels support
- *
- * Copyright (C) 2010 Canonical Ltd.
- * Author: Bryan Wu <bryan.wu@canonical.com>
- *
- * LCD panel driver for Sharp LQ043T1DG01
- *
- * Copyright (C) 2009 Texas Instruments Inc
- * Author: Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * LCD panel driver for Toppoly TDO35S
- *
- * Copyright (C) 2009 CompuLab, Ltd.
- * Author: Mike Rapoport <mike@compulab.co.il>
- *
- * Copyright (C) 2008 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <video/omapdss.h>
-
-#include <video/omap-panel-data.h>
-
-struct panel_config {
- struct omap_video_timings timings;
-
- int power_on_delay;
- int power_off_delay;
-
- /*
- * Used to match device to panel configuration
- * when use generic panel driver
- */
- const char *name;
-};
-
-/* Panel configurations */
-static struct panel_config generic_dpi_panels[] = {
- /* Sharp LQ043T1DG01 */
- {
- {
- .x_res = 480,
- .y_res = 272,
-
- .pixel_clock = 9000,
-
- .hsw = 42,
- .hfp = 3,
- .hbp = 2,
-
- .vsw = 11,
- .vfp = 3,
- .vbp = 2,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_LOW,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 50,
- .power_off_delay = 100,
- .name = "sharp_lq",
- },
-
- /* Sharp LS037V7DW01 */
- {
- {
- .x_res = 480,
- .y_res = 640,
-
- .pixel_clock = 19200,
-
- .hsw = 2,
- .hfp = 1,
- .hbp = 28,
-
- .vsw = 1,
- .vfp = 1,
- .vbp = 1,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 50,
- .power_off_delay = 100,
- .name = "sharp_ls",
- },
-
- /* Toppoly TDO35S */
- {
- {
- .x_res = 480,
- .y_res = 640,
-
- .pixel_clock = 26000,
-
- .hfp = 104,
- .hsw = 8,
- .hbp = 8,
-
- .vfp = 4,
- .vsw = 2,
- .vbp = 2,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "toppoly_tdo35s",
- },
-
- /* Samsung LTE430WQ-F0C */
- {
- {
- .x_res = 480,
- .y_res = 272,
-
- .pixel_clock = 9200,
-
- .hfp = 8,
- .hsw = 41,
- .hbp = 45 - 41,
-
- .vfp = 4,
- .vsw = 10,
- .vbp = 12 - 10,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "samsung_lte430wq_f0c",
- },
-
- /* Seiko 70WVW1TZ3Z3 */
- {
- {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 33000,
-
- .hsw = 128,
- .hfp = 10,
- .hbp = 10,
-
- .vsw = 2,
- .vfp = 4,
- .vbp = 11,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "seiko_70wvw1tz3",
- },
-
- /* Powertip PH480272T */
- {
- {
- .x_res = 480,
- .y_res = 272,
-
- .pixel_clock = 9000,
-
- .hsw = 40,
- .hfp = 2,
- .hbp = 2,
-
- .vsw = 10,
- .vfp = 2,
- .vbp = 2,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_LOW,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "powertip_ph480272t",
- },
-
- /* Innolux AT070TN83 */
- {
- {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 40000,
-
- .hsw = 48,
- .hfp = 1,
- .hbp = 1,
-
- .vsw = 3,
- .vfp = 12,
- .vbp = 25,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "innolux_at070tn83",
- },
-
- /* NEC NL2432DR22-11B */
- {
- {
- .x_res = 240,
- .y_res = 320,
-
- .pixel_clock = 5400,
-
- .hsw = 3,
- .hfp = 3,
- .hbp = 39,
-
- .vsw = 1,
- .vfp = 2,
- .vbp = 7,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "nec_nl2432dr22-11b",
- },
-
- /* Unknown panel used in OMAP H4 */
- {
- {
- .x_res = 240,
- .y_res = 320,
-
- .pixel_clock = 6250,
-
- .hsw = 15,
- .hfp = 15,
- .hbp = 60,
-
- .vsw = 1,
- .vfp = 1,
- .vbp = 1,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "h4",
- },
-
- /* FocalTech ETM070003DH6 */
- {
- {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 28000,
-
- .hsw = 48,
- .hfp = 40,
- .hbp = 40,
-
- .vsw = 3,
- .vfp = 13,
- .vbp = 29,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "focaltech_etm070003dh6",
- },
-
- /* Microtips Technologies - UMSH-8173MD */
- {
- {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 34560,
-
- .hsw = 13,
- .hfp = 101,
- .hbp = 101,
-
- .vsw = 23,
- .vfp = 1,
- .vbp = 1,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .power_on_delay = 0,
- .power_off_delay = 0,
- .name = "microtips_umsh_8173md",
- },
-
- /* OrtusTech COM43H4M10XTC */
- {
- {
- .x_res = 480,
- .y_res = 272,
-
- .pixel_clock = 8000,
-
- .hsw = 41,
- .hfp = 8,
- .hbp = 4,
-
- .vsw = 10,
- .vfp = 4,
- .vbp = 2,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "ortustech_com43h4m10xtc",
- },
-
- /* Innolux AT080TN52 */
- {
- {
- .x_res = 800,
- .y_res = 600,
-
- .pixel_clock = 41142,
-
- .hsw = 20,
- .hfp = 210,
- .hbp = 46,
-
- .vsw = 10,
- .vfp = 12,
- .vbp = 23,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_LOW,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "innolux_at080tn52",
- },
-
- /* Mitsubishi AA084SB01 */
- {
- {
- .x_res = 800,
- .y_res = 600,
- .pixel_clock = 40000,
-
- .hsw = 1,
- .hfp = 254,
- .hbp = 1,
-
- .vsw = 1,
- .vfp = 26,
- .vbp = 1,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "mitsubishi_aa084sb01",
- },
- /* EDT ET0500G0DH6 */
- {
- {
- .x_res = 800,
- .y_res = 480,
- .pixel_clock = 33260,
-
- .hsw = 128,
- .hfp = 216,
- .hbp = 40,
-
- .vsw = 2,
- .vfp = 35,
- .vbp = 10,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "edt_et0500g0dh6",
- },
-
- /* Prime-View PD050VL1 */
- {
- {
- .x_res = 640,
- .y_res = 480,
-
- .pixel_clock = 25000,
-
- .hsw = 96,
- .hfp = 18,
- .hbp = 46,
-
- .vsw = 2,
- .vfp = 10,
- .vbp = 33,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "primeview_pd050vl1",
- },
-
- /* Prime-View PM070WL4 */
- {
- {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 32000,
-
- .hsw = 128,
- .hfp = 42,
- .hbp = 86,
-
- .vsw = 2,
- .vfp = 10,
- .vbp = 33,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "primeview_pm070wl4",
- },
-
- /* Prime-View PD104SLF */
- {
- {
- .x_res = 800,
- .y_res = 600,
-
- .pixel_clock = 40000,
-
- .hsw = 128,
- .hfp = 42,
- .hbp = 86,
-
- .vsw = 4,
- .vfp = 1,
- .vbp = 23,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
- },
- .name = "primeview_pd104slf",
- },
-};
-
-struct panel_drv_data {
-
- struct omap_dss_device *dssdev;
-
- struct panel_config *panel_config;
-
- struct mutex lock;
-};
-
-static inline struct panel_generic_dpi_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_generic_dpi_data *) dssdev->data;
-}
-
-static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev)
-{
- int r, i;
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
- struct panel_config *panel_config = drv_data->panel_config;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- /* wait couple of vsyncs until enabling the LCD */
- if (panel_config->power_on_delay)
- msleep(panel_config->power_on_delay);
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 0 : 1);
- }
-
- return 0;
-
-err0:
- return r;
-}
-
-static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
- struct panel_config *panel_config = drv_data->panel_config;
- int i;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- for (i = panel_data->num_gpios - 1; i >= 0; --i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 1 : 0);
- }
-
- /* wait couple of vsyncs after disabling the LCD */
- if (panel_config->power_off_delay)
- msleep(panel_config->power_off_delay);
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- struct panel_config *panel_config = NULL;
- struct panel_drv_data *drv_data = NULL;
- int i, r;
-
- dev_dbg(dssdev->dev, "probe\n");
-
- if (!panel_data || !panel_data->name)
- return -EINVAL;
-
- for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) {
- if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) {
- panel_config = &generic_dpi_panels[i];
- break;
- }
- }
-
- if (!panel_config)
- return -EINVAL;
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- r = devm_gpio_request_one(dssdev->dev, panel_data->gpios[i],
- panel_data->gpio_invert[i] ?
- GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
- "panel gpio");
- if (r)
- return r;
- }
-
- dssdev->panel.timings = panel_config->timings;
-
- drv_data = devm_kzalloc(dssdev->dev, sizeof(*drv_data), GFP_KERNEL);
- if (!drv_data)
- return -ENOMEM;
-
- drv_data->dssdev = dssdev;
- drv_data->panel_config = panel_config;
-
- mutex_init(&drv_data->lock);
-
- dev_set_drvdata(dssdev->dev, drv_data);
-
- return 0;
-}
-
-static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "remove\n");
-
- dev_set_drvdata(dssdev->dev, NULL);
-}
-
-static int generic_dpi_panel_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&drv_data->lock);
-
- r = generic_dpi_panel_power_on(dssdev);
- if (r)
- goto err;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-err:
- mutex_unlock(&drv_data->lock);
-
- return r;
-}
-
-static void generic_dpi_panel_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&drv_data->lock);
-
- generic_dpi_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&drv_data->lock);
-}
-
-static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&drv_data->lock);
-
- omapdss_dpi_set_timings(dssdev, timings);
-
- dssdev->panel.timings = *timings;
-
- mutex_unlock(&drv_data->lock);
-}
-
-static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&drv_data->lock);
-
- *timings = dssdev->panel.timings;
-
- mutex_unlock(&drv_data->lock);
-}
-
-static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&drv_data->lock);
-
- r = dpi_check_timings(dssdev, timings);
-
- mutex_unlock(&drv_data->lock);
-
- return r;
-}
-
-static struct omap_dss_driver dpi_driver = {
- .probe = generic_dpi_panel_probe,
- .remove = __exit_p(generic_dpi_panel_remove),
-
- .enable = generic_dpi_panel_enable,
- .disable = generic_dpi_panel_disable,
-
- .set_timings = generic_dpi_panel_set_timings,
- .get_timings = generic_dpi_panel_get_timings,
- .check_timings = generic_dpi_panel_check_timings,
-
- .driver = {
- .name = "generic_dpi_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init generic_dpi_panel_drv_init(void)
-{
- return omap_dss_register_driver(&dpi_driver);
-}
-
-static void __exit generic_dpi_panel_drv_exit(void)
-{
- omap_dss_unregister_driver(&dpi_driver);
-}
-
-module_init(generic_dpi_panel_drv_init);
-module_exit(generic_dpi_panel_drv_exit);
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * LCD panel driver for LG.Philips LB035Q02
- *
- * Author: Steve Sakoman <steve@sakoman.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/mutex.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-struct lb035q02_data {
- struct mutex lock;
-};
-
-static struct omap_video_timings lb035q02_timings = {
- .x_res = 320,
- .y_res = 240,
-
- .pixel_clock = 6500,
-
- .hsw = 2,
- .hfp = 20,
- .hbp = 68,
-
- .vsw = 2,
- .vfp = 4,
- .vbp = 18,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-static inline struct panel_generic_dpi_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_generic_dpi_data *) dssdev->data;
-}
-
-static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- int r, i;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 0 : 1);
- }
-
- return 0;
-
-err0:
- return r;
-}
-
-static void lb035q02_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- int i;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- for (i = panel_data->num_gpios - 1; i >= 0; --i) {
- gpio_set_value_cansleep(panel_data->gpios[i],
- panel_data->gpio_invert[i] ? 1 : 0);
- }
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
- struct lb035q02_data *ld;
- int r, i;
-
- if (!panel_data)
- return -EINVAL;
-
- dssdev->panel.timings = lb035q02_timings;
-
- ld = devm_kzalloc(dssdev->dev, sizeof(*ld), GFP_KERNEL);
- if (!ld)
- return -ENOMEM;
-
- for (i = 0; i < panel_data->num_gpios; ++i) {
- r = devm_gpio_request_one(dssdev->dev, panel_data->gpios[i],
- panel_data->gpio_invert[i] ?
- GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
- "panel gpio");
- if (r)
- return r;
- }
-
- mutex_init(&ld->lock);
- dev_set_drvdata(dssdev->dev, ld);
-
- return 0;
-}
-
-static void lb035q02_panel_remove(struct omap_dss_device *dssdev)
-{
-}
-
-static int lb035q02_panel_enable(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&ld->lock);
-
- r = lb035q02_panel_power_on(dssdev);
- if (r)
- goto err;
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ld->lock);
- return 0;
-err:
- mutex_unlock(&ld->lock);
- return r;
-}
-
-static void lb035q02_panel_disable(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ld->lock);
-
- lb035q02_panel_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&ld->lock);
-}
-
-static struct omap_dss_driver lb035q02_driver = {
- .probe = lb035q02_panel_probe,
- .remove = lb035q02_panel_remove,
-
- .enable = lb035q02_panel_enable,
- .disable = lb035q02_panel_disable,
-
- .driver = {
- .name = "lgphilips_lb035q02_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val)
-{
- struct spi_message msg;
- struct spi_transfer index_xfer = {
- .len = 3,
- .cs_change = 1,
- };
- struct spi_transfer value_xfer = {
- .len = 3,
- };
- u8 buffer[16];
-
- spi_message_init(&msg);
-
- /* register index */
- buffer[0] = 0x70;
- buffer[1] = 0x00;
- buffer[2] = reg & 0x7f;
- index_xfer.tx_buf = buffer;
- spi_message_add_tail(&index_xfer, &msg);
-
- /* register value */
- buffer[4] = 0x72;
- buffer[5] = val >> 8;
- buffer[6] = val;
- value_xfer.tx_buf = buffer + 4;
- spi_message_add_tail(&value_xfer, &msg);
-
- return spi_sync(spi, &msg);
-}
-
-static void init_lb035q02_panel(struct spi_device *spi)
-{
- /* Init sequence from page 28 of the lb035q02 spec */
- lb035q02_write_reg(spi, 0x01, 0x6300);
- lb035q02_write_reg(spi, 0x02, 0x0200);
- lb035q02_write_reg(spi, 0x03, 0x0177);
- lb035q02_write_reg(spi, 0x04, 0x04c7);
- lb035q02_write_reg(spi, 0x05, 0xffc0);
- lb035q02_write_reg(spi, 0x06, 0xe806);
- lb035q02_write_reg(spi, 0x0a, 0x4008);
- lb035q02_write_reg(spi, 0x0b, 0x0000);
- lb035q02_write_reg(spi, 0x0d, 0x0030);
- lb035q02_write_reg(spi, 0x0e, 0x2800);
- lb035q02_write_reg(spi, 0x0f, 0x0000);
- lb035q02_write_reg(spi, 0x16, 0x9f80);
- lb035q02_write_reg(spi, 0x17, 0x0a0f);
- lb035q02_write_reg(spi, 0x1e, 0x00c1);
- lb035q02_write_reg(spi, 0x30, 0x0300);
- lb035q02_write_reg(spi, 0x31, 0x0007);
- lb035q02_write_reg(spi, 0x32, 0x0000);
- lb035q02_write_reg(spi, 0x33, 0x0000);
- lb035q02_write_reg(spi, 0x34, 0x0707);
- lb035q02_write_reg(spi, 0x35, 0x0004);
- lb035q02_write_reg(spi, 0x36, 0x0302);
- lb035q02_write_reg(spi, 0x37, 0x0202);
- lb035q02_write_reg(spi, 0x3a, 0x0a0d);
- lb035q02_write_reg(spi, 0x3b, 0x0806);
-}
-
-static int lb035q02_panel_spi_probe(struct spi_device *spi)
-{
- init_lb035q02_panel(spi);
- return omap_dss_register_driver(&lb035q02_driver);
-}
-
-static int lb035q02_panel_spi_remove(struct spi_device *spi)
-{
- omap_dss_unregister_driver(&lb035q02_driver);
- return 0;
-}
-
-static struct spi_driver lb035q02_spi_driver = {
- .driver = {
- .name = "lgphilips_lb035q02_panel-spi",
- .owner = THIS_MODULE,
- },
- .probe = lb035q02_panel_spi_probe,
- .remove = lb035q02_panel_spi_remove,
-};
-
-module_spi_driver(lb035q02_spi_driver);
-
-MODULE_LICENSE("GPL");
+++ /dev/null
-/* #define DEBUG */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/fb.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#define BLIZZARD_REV_CODE 0x00
-#define BLIZZARD_CONFIG 0x02
-#define BLIZZARD_PLL_DIV 0x04
-#define BLIZZARD_PLL_LOCK_RANGE 0x06
-#define BLIZZARD_PLL_CLOCK_SYNTH_0 0x08
-#define BLIZZARD_PLL_CLOCK_SYNTH_1 0x0a
-#define BLIZZARD_PLL_MODE 0x0c
-#define BLIZZARD_CLK_SRC 0x0e
-#define BLIZZARD_MEM_BANK0_ACTIVATE 0x10
-#define BLIZZARD_MEM_BANK0_STATUS 0x14
-#define BLIZZARD_PANEL_CONFIGURATION 0x28
-#define BLIZZARD_HDISP 0x2a
-#define BLIZZARD_HNDP 0x2c
-#define BLIZZARD_VDISP0 0x2e
-#define BLIZZARD_VDISP1 0x30
-#define BLIZZARD_VNDP 0x32
-#define BLIZZARD_HSW 0x34
-#define BLIZZARD_VSW 0x38
-#define BLIZZARD_DISPLAY_MODE 0x68
-#define BLIZZARD_INPUT_WIN_X_START_0 0x6c
-#define BLIZZARD_DATA_SOURCE_SELECT 0x8e
-#define BLIZZARD_DISP_MEM_DATA_PORT 0x90
-#define BLIZZARD_DISP_MEM_READ_ADDR0 0x92
-#define BLIZZARD_POWER_SAVE 0xE6
-#define BLIZZARD_NDISP_CTRL_STATUS 0xE8
-
-/* Data source select */
-/* For S1D13745 */
-#define BLIZZARD_SRC_WRITE_LCD_BACKGROUND 0x00
-#define BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE 0x01
-#define BLIZZARD_SRC_WRITE_OVERLAY_ENABLE 0x04
-#define BLIZZARD_SRC_DISABLE_OVERLAY 0x05
-/* For S1D13744 */
-#define BLIZZARD_SRC_WRITE_LCD 0x00
-#define BLIZZARD_SRC_BLT_LCD 0x06
-
-#define BLIZZARD_COLOR_RGB565 0x01
-#define BLIZZARD_COLOR_YUV420 0x09
-
-#define BLIZZARD_VERSION_S1D13745 0x01 /* Hailstorm */
-#define BLIZZARD_VERSION_S1D13744 0x02 /* Blizzard */
-
-#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
-
-static struct panel_drv_data {
- struct mutex lock;
-
- struct omap_dss_device *dssdev;
- struct spi_device *spidev;
-
- int blizzard_ver;
-} s_drv_data;
-
-
-static inline
-struct panel_n8x0_data *get_board_data(const struct omap_dss_device *dssdev)
-{
- return dssdev->data;
-}
-
-static inline
-struct panel_drv_data *get_drv_data(const struct omap_dss_device *dssdev)
-{
- return &s_drv_data;
-}
-
-
-static inline void blizzard_cmd(u8 cmd)
-{
- omap_rfbi_write_command(&cmd, 1);
-}
-
-static inline void blizzard_write(u8 cmd, const u8 *buf, int len)
-{
- omap_rfbi_write_command(&cmd, 1);
- omap_rfbi_write_data(buf, len);
-}
-
-static inline void blizzard_read(u8 cmd, u8 *buf, int len)
-{
- omap_rfbi_write_command(&cmd, 1);
- omap_rfbi_read_data(buf, len);
-}
-
-static u8 blizzard_read_reg(u8 cmd)
-{
- u8 data;
- blizzard_read(cmd, &data, 1);
- return data;
-}
-
-static void blizzard_ctrl_setup_update(struct omap_dss_device *dssdev,
- int x, int y, int w, int h)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- u8 tmp[18];
- int x_end, y_end;
-
- x_end = x + w - 1;
- y_end = y + h - 1;
-
- tmp[0] = x;
- tmp[1] = x >> 8;
- tmp[2] = y;
- tmp[3] = y >> 8;
- tmp[4] = x_end;
- tmp[5] = x_end >> 8;
- tmp[6] = y_end;
- tmp[7] = y_end >> 8;
-
- /* scaling? */
- tmp[8] = x;
- tmp[9] = x >> 8;
- tmp[10] = y;
- tmp[11] = y >> 8;
- tmp[12] = x_end;
- tmp[13] = x_end >> 8;
- tmp[14] = y_end;
- tmp[15] = y_end >> 8;
-
- tmp[16] = BLIZZARD_COLOR_RGB565;
-
- if (ddata->blizzard_ver == BLIZZARD_VERSION_S1D13745)
- tmp[17] = BLIZZARD_SRC_WRITE_LCD_BACKGROUND;
- else
- tmp[17] = ddata->blizzard_ver == BLIZZARD_VERSION_S1D13744 ?
- BLIZZARD_SRC_WRITE_LCD :
- BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE;
-
- omapdss_rfbi_set_pixel_size(dssdev, 16);
- omapdss_rfbi_set_data_lines(dssdev, 8);
-
- omap_rfbi_configure(dssdev);
-
- blizzard_write(BLIZZARD_INPUT_WIN_X_START_0, tmp, 18);
-
- omapdss_rfbi_set_pixel_size(dssdev, 16);
- omapdss_rfbi_set_data_lines(dssdev, 16);
-
- omap_rfbi_configure(dssdev);
-}
-
-static void mipid_transfer(struct spi_device *spi, int cmd, const u8 *wbuf,
- int wlen, u8 *rbuf, int rlen)
-{
- struct spi_message m;
- struct spi_transfer *x, xfer[4];
- u16 w;
- int r;
-
- 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;
- 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 = &w;
- x->len = 1;
- spi_message_add_tail(x, &m);
-
- if (rlen > 1) {
- /* Arrange for the extra clock before the first
- * data bit.
- */
- x->bits_per_word = 9;
- x->len = 2;
-
- x++;
- x->rx_buf = &rbuf[1];
- x->len = rlen - 1;
- spi_message_add_tail(x, &m);
- }
- }
-
- r = spi_sync(spi, &m);
- if (r < 0)
- dev_dbg(&spi->dev, "spi_sync %d\n", r);
-
- if (rlen)
- rbuf[0] = w & 0xff;
-}
-
-static inline void mipid_cmd(struct spi_device *spi, int cmd)
-{
- mipid_transfer(spi, cmd, NULL, 0, NULL, 0);
-}
-
-static inline void mipid_write(struct spi_device *spi,
- int reg, const u8 *buf, int len)
-{
- mipid_transfer(spi, reg, buf, len, NULL, 0);
-}
-
-static inline void mipid_read(struct spi_device *spi,
- int reg, u8 *buf, int len)
-{
- mipid_transfer(spi, reg, NULL, 0, buf, len);
-}
-
-static void set_data_lines(struct spi_device *spi, int data_lines)
-{
- u16 par;
-
- switch (data_lines) {
- case 16:
- par = 0x150;
- break;
- case 18:
- par = 0x160;
- break;
- case 24:
- par = 0x170;
- break;
- }
-
- mipid_write(spi, 0x3a, (u8 *)&par, 2);
-}
-
-static void send_init_string(struct spi_device *spi)
-{
- u16 initpar[] = { 0x0102, 0x0100, 0x0100 };
- mipid_write(spi, 0xc2, (u8 *)initpar, sizeof(initpar));
-}
-
-static void send_display_on(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_DISP_ON);
-}
-
-static void send_display_off(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_DISP_OFF);
-}
-
-static void send_sleep_out(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_SLEEP_OUT);
- msleep(120);
-}
-
-static void send_sleep_in(struct spi_device *spi)
-{
- mipid_cmd(spi, MIPID_CMD_SLEEP_IN);
- msleep(50);
-}
-
-static int n8x0_panel_power_on(struct omap_dss_device *dssdev)
-{
- int r;
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- struct spi_device *spi = ddata->spidev;
- u8 rev, conf;
- u8 display_id[3];
- const char *panel_name;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- gpio_direction_output(bdata->ctrl_pwrdown, 1);
-
- omapdss_rfbi_set_size(dssdev, dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res);
- omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size);
- omapdss_rfbi_set_data_lines(dssdev, dssdev->phy.rfbi.data_lines);
- omapdss_rfbi_set_interface_timings(dssdev, &dssdev->ctrl.rfbi_timings);
-
- r = omapdss_rfbi_display_enable(dssdev);
- if (r)
- goto err_rfbi_en;
-
- rev = blizzard_read_reg(BLIZZARD_REV_CODE);
- conf = blizzard_read_reg(BLIZZARD_CONFIG);
-
- switch (rev & 0xfc) {
- case 0x9c:
- ddata->blizzard_ver = BLIZZARD_VERSION_S1D13744;
- dev_info(dssdev->dev, "s1d13744 LCD controller rev %d "
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
- break;
- case 0xa4:
- ddata->blizzard_ver = BLIZZARD_VERSION_S1D13745;
- dev_info(dssdev->dev, "s1d13745 LCD controller rev %d "
- "initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
- break;
- default:
- dev_err(dssdev->dev, "invalid s1d1374x revision %02x\n", rev);
- r = -ENODEV;
- goto err_inv_chip;
- }
-
- /* panel */
-
- gpio_direction_output(bdata->panel_reset, 1);
-
- mipid_read(spi, MIPID_CMD_READ_DISP_ID, display_id, 3);
- dev_dbg(&spi->dev, "MIPI display ID: %02x%02x%02x\n",
- display_id[0], display_id[1], display_id[2]);
-
- switch (display_id[0]) {
- case 0x45:
- panel_name = "lph8923";
- break;
- case 0x83:
- panel_name = "ls041y3";
- break;
- default:
- dev_err(dssdev->dev, "invalid display ID 0x%x\n",
- display_id[0]);
- r = -ENODEV;
- goto err_inv_panel;
- }
-
- dev_info(dssdev->dev, "%s rev %02x LCD detected\n",
- panel_name, display_id[1]);
-
- send_sleep_out(spi);
- send_init_string(spi);
- set_data_lines(spi, 24);
- send_display_on(spi);
-
- return 0;
-
-err_inv_panel:
- /*
- * HACK: we should turn off the panel here, but there is some problem
- * with the initialization sequence, and we fail to init the panel if we
- * have turned it off
- */
- /* gpio_direction_output(bdata->panel_reset, 0); */
-err_inv_chip:
- omapdss_rfbi_display_disable(dssdev);
-err_rfbi_en:
- gpio_direction_output(bdata->ctrl_pwrdown, 0);
- return r;
-}
-
-static void n8x0_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- struct spi_device *spi = ddata->spidev;
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- send_display_off(spi);
- send_sleep_in(spi);
-
- /*
- * HACK: we should turn off the panel here, but there is some problem
- * with the initialization sequence, and we fail to init the panel if we
- * have turned it off
- */
- /* gpio_direction_output(bdata->panel_reset, 0); */
- gpio_direction_output(bdata->ctrl_pwrdown, 0);
- omapdss_rfbi_display_disable(dssdev);
-}
-
-static const struct rfbi_timings n8x0_panel_timings = {
- .cs_on_time = 0,
-
- .we_on_time = 9000,
- .we_off_time = 18000,
- .we_cycle_time = 36000,
-
- .re_on_time = 9000,
- .re_off_time = 27000,
- .re_cycle_time = 36000,
-
- .access_time = 27000,
- .cs_off_time = 36000,
-
- .cs_pulse_width = 0,
-};
-
-static int n8x0_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_n8x0_data *bdata = get_board_data(dssdev);
- struct panel_drv_data *ddata;
- int r;
-
- dev_dbg(dssdev->dev, "probe\n");
-
- if (!bdata)
- return -EINVAL;
-
- s_drv_data.dssdev = dssdev;
-
- ddata = &s_drv_data;
-
- mutex_init(&ddata->lock);
-
- dssdev->panel.timings.x_res = 800;
- dssdev->panel.timings.y_res = 480;
- dssdev->ctrl.pixel_size = 16;
- dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
- dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
-
- if (gpio_is_valid(bdata->panel_reset)) {
- r = devm_gpio_request_one(dssdev->dev, bdata->panel_reset,
- GPIOF_OUT_INIT_LOW, "PANEL RESET");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(bdata->ctrl_pwrdown)) {
- r = devm_gpio_request_one(dssdev->dev, bdata->ctrl_pwrdown,
- GPIOF_OUT_INIT_LOW, "PANEL PWRDOWN");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void n8x0_panel_remove(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "remove\n");
-
- dev_set_drvdata(dssdev->dev, NULL);
-}
-
-static int n8x0_panel_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- int r;
-
- dev_dbg(dssdev->dev, "enable\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- r = n8x0_panel_power_on(dssdev);
-
- rfbi_bus_unlock();
-
- if (r) {
- mutex_unlock(&ddata->lock);
- return r;
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static void n8x0_panel_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
-
- dev_dbg(dssdev->dev, "disable\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- n8x0_panel_power_off(dssdev);
-
- rfbi_bus_unlock();
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&ddata->lock);
-}
-
-static void n8x0_panel_get_resolution(struct omap_dss_device *dssdev,
- u16 *xres, u16 *yres)
-{
- *xres = dssdev->panel.timings.x_res;
- *yres = dssdev->panel.timings.y_res;
-}
-
-static void update_done(void *data)
-{
- rfbi_bus_unlock();
-}
-
-static int n8x0_panel_update(struct omap_dss_device *dssdev,
- u16 x, u16 y, u16 w, u16 h)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- u16 dw, dh;
-
- dev_dbg(dssdev->dev, "update\n");
-
- dw = dssdev->panel.timings.x_res;
- dh = dssdev->panel.timings.y_res;
-
- if (x != 0 || y != 0 || w != dw || h != dh) {
- dev_err(dssdev->dev, "invalid update region %d, %d, %d, %d\n",
- x, y, w, h);
- return -EINVAL;
- }
-
- mutex_lock(&ddata->lock);
- rfbi_bus_lock();
-
- blizzard_ctrl_setup_update(dssdev, x, y, w, h);
-
- omap_rfbi_update(dssdev, update_done, NULL);
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static int n8x0_panel_sync(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
-
- dev_dbg(dssdev->dev, "sync\n");
-
- mutex_lock(&ddata->lock);
- rfbi_bus_lock();
- rfbi_bus_unlock();
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static struct omap_dss_driver n8x0_panel_driver = {
- .probe = n8x0_panel_probe,
- .remove = n8x0_panel_remove,
-
- .enable = n8x0_panel_enable,
- .disable = n8x0_panel_disable,
-
- .update = n8x0_panel_update,
- .sync = n8x0_panel_sync,
-
- .get_resolution = n8x0_panel_get_resolution,
- .get_recommended_bpp = omapdss_default_get_recommended_bpp,
-
- .driver = {
- .name = "n8x0_panel",
- .owner = THIS_MODULE,
- },
-};
-
-/* PANEL */
-
-static int mipid_spi_probe(struct spi_device *spi)
-{
- int r;
-
- dev_dbg(&spi->dev, "mipid_spi_probe\n");
-
- spi->mode = SPI_MODE_0;
-
- s_drv_data.spidev = spi;
-
- r = omap_dss_register_driver(&n8x0_panel_driver);
- if (r)
- pr_err("n8x0_panel: dss driver registration failed\n");
-
- return r;
-}
-
-static int mipid_spi_remove(struct spi_device *spi)
-{
- dev_dbg(&spi->dev, "mipid_spi_remove\n");
- omap_dss_unregister_driver(&n8x0_panel_driver);
- return 0;
-}
-
-static struct spi_driver mipid_spi_driver = {
- .driver = {
- .name = "lcd_mipid",
- .owner = THIS_MODULE,
- },
- .probe = mipid_spi_probe,
- .remove = mipid_spi_remove,
-};
-module_spi_driver(mipid_spi_driver);
-
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Support for NEC-nl8048hl11-01b panel driver
- *
- * Copyright (C) 2010 Texas Instruments Inc.
- * Author: Erik Gilling <konkers@android.com>
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/fb.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#define LCD_XRES 800
-#define LCD_YRES 480
-/*
- * NEC PIX Clock Ratings
- * MIN:21.8MHz TYP:23.8MHz MAX:25.7MHz
- */
-#define LCD_PIXEL_CLOCK 23800
-
-static const struct {
- unsigned char addr;
- unsigned char dat;
-} nec_8048_init_seq[] = {
- { 3, 0x01 }, { 0, 0x00 }, { 1, 0x01 }, { 4, 0x00 }, { 5, 0x14 },
- { 6, 0x24 }, { 16, 0xD7 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x55 },
- { 20, 0x01 }, { 21, 0x70 }, { 22, 0x1E }, { 23, 0x25 }, { 24, 0x25 },
- { 25, 0x02 }, { 26, 0x02 }, { 27, 0xA0 }, { 32, 0x2F }, { 33, 0x0F },
- { 34, 0x0F }, { 35, 0x0F }, { 36, 0x0F }, { 37, 0x0F }, { 38, 0x0F },
- { 39, 0x00 }, { 40, 0x02 }, { 41, 0x02 }, { 42, 0x02 }, { 43, 0x0F },
- { 44, 0x0F }, { 45, 0x0F }, { 46, 0x0F }, { 47, 0x0F }, { 48, 0x0F },
- { 49, 0x0F }, { 50, 0x00 }, { 51, 0x02 }, { 52, 0x02 }, { 53, 0x02 },
- { 80, 0x0C }, { 83, 0x42 }, { 84, 0x42 }, { 85, 0x41 }, { 86, 0x14 },
- { 89, 0x88 }, { 90, 0x01 }, { 91, 0x00 }, { 92, 0x02 }, { 93, 0x0C },
- { 94, 0x1C }, { 95, 0x27 }, { 98, 0x49 }, { 99, 0x27 }, { 102, 0x76 },
- { 103, 0x27 }, { 112, 0x01 }, { 113, 0x0E }, { 114, 0x02 },
- { 115, 0x0C }, { 118, 0x0C }, { 121, 0x30 }, { 130, 0x00 },
- { 131, 0x00 }, { 132, 0xFC }, { 134, 0x00 }, { 136, 0x00 },
- { 138, 0x00 }, { 139, 0x00 }, { 140, 0x00 }, { 141, 0xFC },
- { 143, 0x00 }, { 145, 0x00 }, { 147, 0x00 }, { 148, 0x00 },
- { 149, 0x00 }, { 150, 0xFC }, { 152, 0x00 }, { 154, 0x00 },
- { 156, 0x00 }, { 157, 0x00 }, { 2, 0x00 },
-};
-
-/*
- * NEC NL8048HL11-01B Manual
- * defines HFB, HSW, HBP, VFP, VSW, VBP as shown below
- */
-
-static struct omap_video_timings nec_8048_panel_timings = {
- /* 800 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
- .x_res = LCD_XRES,
- .y_res = LCD_YRES,
- .pixel_clock = LCD_PIXEL_CLOCK,
- .hfp = 6,
- .hsw = 1,
- .hbp = 4,
- .vfp = 3,
- .vsw = 1,
- .vbp = 4,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
-};
-
-static inline struct panel_nec_nl8048_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_nec_nl8048_data *) dssdev->data;
-}
-
-static int nec_8048_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_nec_nl8048_data *pd = get_panel_data(dssdev);
- int r;
-
- if (!pd)
- return -EINVAL;
-
- dssdev->panel.timings = nec_8048_panel_timings;
-
- if (gpio_is_valid(pd->qvga_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->qvga_gpio,
- GPIOF_OUT_INIT_HIGH, "lcd QVGA");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(pd->res_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->res_gpio,
- GPIOF_OUT_INIT_LOW, "lcd RES");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
-{
-}
-
-static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_nec_nl8048_data *pd = get_panel_data(dssdev);
- int r;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- if (gpio_is_valid(pd->res_gpio))
- gpio_set_value_cansleep(pd->res_gpio, 1);
-
- return 0;
-
-err0:
- return r;
-}
-
-static void nec_8048_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_nec_nl8048_data *pd = get_panel_data(dssdev);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- if (gpio_is_valid(pd->res_gpio))
- gpio_set_value_cansleep(pd->res_gpio, 0);
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
-{
- int r;
-
- r = nec_8048_panel_power_on(dssdev);
- if (r)
- return r;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
-static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
-{
- nec_8048_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev)
-{
- return 16;
-}
-
-static struct omap_dss_driver nec_8048_driver = {
- .probe = nec_8048_panel_probe,
- .remove = nec_8048_panel_remove,
- .enable = nec_8048_panel_enable,
- .disable = nec_8048_panel_disable,
- .get_recommended_bpp = nec_8048_recommended_bpp,
-
- .driver = {
- .name = "NEC_8048_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
- unsigned char reg_data)
-{
- int ret = 0;
- unsigned int cmd = 0, data = 0;
-
- cmd = 0x0000 | reg_addr; /* register address write */
- data = 0x0100 | reg_data ; /* register data write */
- data = (cmd << 16) | data;
-
- ret = spi_write(spi, (unsigned char *)&data, 4);
- if (ret)
- pr_err("error in spi_write %x\n", data);
-
- return ret;
-}
-
-static int init_nec_8048_wvga_lcd(struct spi_device *spi)
-{
- unsigned int i;
- /* Initialization Sequence */
- /* nec_8048_spi_send(spi, REG, VAL) */
- for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- udelay(20);
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- return 0;
-}
-
-static int nec_8048_spi_probe(struct spi_device *spi)
-{
- spi->mode = SPI_MODE_0;
- spi->bits_per_word = 32;
- spi_setup(spi);
-
- init_nec_8048_wvga_lcd(spi);
-
- return omap_dss_register_driver(&nec_8048_driver);
-}
-
-static int nec_8048_spi_remove(struct spi_device *spi)
-{
- omap_dss_unregister_driver(&nec_8048_driver);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-
-static int nec_8048_spi_suspend(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- nec_8048_spi_send(spi, 2, 0x01);
- mdelay(40);
-
- return 0;
-}
-
-static int nec_8048_spi_resume(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- /* reinitialize the panel */
- spi_setup(spi);
- nec_8048_spi_send(spi, 2, 0x00);
- init_nec_8048_wvga_lcd(spi);
-
- return 0;
-}
-
-static SIMPLE_DEV_PM_OPS(nec_8048_spi_pm_ops, nec_8048_spi_suspend,
- nec_8048_spi_resume);
-#define NEC_8048_SPI_PM_OPS (&nec_8048_spi_pm_ops)
-#else
-#define NEC_8048_SPI_PM_OPS NULL
-#endif
-
-static struct spi_driver nec_8048_spi_driver = {
- .probe = nec_8048_spi_probe,
- .remove = nec_8048_spi_remove,
- .driver = {
- .name = "nec_8048_spi",
- .owner = THIS_MODULE,
- .pm = NEC_8048_SPI_PM_OPS,
- },
-};
-
-module_spi_driver(nec_8048_spi_driver);
-
-MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
-MODULE_DESCRIPTION("NEC-nl8048hl11-01b Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * picodlp panel driver
- * picodlp_i2c_driver: i2c_client driver
- *
- * Copyright (C) 2009-2011 Texas Instruments
- * Author: Mythri P K <mythripk@ti.com>
- * Mayuresh Janorkar <mayur@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/firmware.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-#include <linux/i2c.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#include "panel-picodlp.h"
-
-struct picodlp_data {
- struct mutex lock;
- struct i2c_client *picodlp_i2c_client;
-};
-
-static struct i2c_board_info picodlp_i2c_board_info = {
- I2C_BOARD_INFO("picodlp_i2c_driver", 0x1b),
-};
-
-struct picodlp_i2c_data {
- struct mutex xfer_lock;
-};
-
-static struct i2c_device_id picodlp_i2c_id[] = {
- { "picodlp_i2c_driver", 0 },
- { }
-};
-
-struct picodlp_i2c_command {
- u8 reg;
- u32 value;
-};
-
-static struct omap_video_timings pico_ls_timings = {
- .x_res = 864,
- .y_res = 480,
- .hsw = 7,
- .hfp = 11,
- .hbp = 7,
-
- .pixel_clock = 19200,
-
- .vsw = 2,
- .vfp = 3,
- .vbp = 14,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
-};
-
-static inline struct picodlp_panel_data
- *get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct picodlp_panel_data *) dssdev->data;
-}
-
-static u32 picodlp_i2c_read(struct i2c_client *client, u8 reg)
-{
- u8 read_cmd[] = {READ_REG_SELECT, reg}, data[4];
- struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
- struct i2c_msg msg[2];
-
- mutex_lock(&picodlp_i2c_data->xfer_lock);
-
- msg[0].addr = client->addr;
- msg[0].flags = 0;
- msg[0].len = 2;
- msg[0].buf = read_cmd;
-
- msg[1].addr = client->addr;
- msg[1].flags = I2C_M_RD;
- msg[1].len = 4;
- msg[1].buf = data;
-
- i2c_transfer(client->adapter, msg, 2);
- mutex_unlock(&picodlp_i2c_data->xfer_lock);
- return (data[3] | (data[2] << 8) | (data[1] << 16) | (data[0] << 24));
-}
-
-static int picodlp_i2c_write_block(struct i2c_client *client,
- u8 *data, int len)
-{
- struct i2c_msg msg;
- int i, r, msg_count = 1;
-
- struct picodlp_i2c_data *picodlp_i2c_data = i2c_get_clientdata(client);
-
- if (len < 1 || len > 32) {
- dev_err(&client->dev,
- "too long syn_write_block len %d\n", len);
- return -EIO;
- }
- mutex_lock(&picodlp_i2c_data->xfer_lock);
-
- msg.addr = client->addr;
- msg.flags = 0;
- msg.len = len;
- msg.buf = data;
- r = i2c_transfer(client->adapter, &msg, msg_count);
- mutex_unlock(&picodlp_i2c_data->xfer_lock);
-
- /*
- * i2c_transfer returns:
- * number of messages sent in case of success
- * a negative error number in case of failure
- */
- if (r != msg_count)
- goto err;
-
- /* In case of success */
- for (i = 0; i < len; i++)
- dev_dbg(&client->dev,
- "addr %x bw 0x%02x[%d]: 0x%02x\n",
- client->addr, data[0] + i, i, data[i]);
-
- return 0;
-err:
- dev_err(&client->dev, "picodlp_i2c_write error\n");
- return r;
-}
-
-static int picodlp_i2c_write(struct i2c_client *client, u8 reg, u32 value)
-{
- u8 data[5];
- int i;
-
- data[0] = reg;
- for (i = 1; i < 5; i++)
- data[i] = (value >> (32 - (i) * 8)) & 0xFF;
-
- return picodlp_i2c_write_block(client, data, 5);
-}
-
-static int picodlp_i2c_write_array(struct i2c_client *client,
- const struct picodlp_i2c_command commands[],
- int count)
-{
- int i, r = 0;
- for (i = 0; i < count; i++) {
- r = picodlp_i2c_write(client, commands[i].reg,
- commands[i].value);
- if (r)
- return r;
- }
- return r;
-}
-
-static int picodlp_wait_for_dma_done(struct i2c_client *client)
-{
- u8 trial = 100;
-
- do {
- msleep(1);
- if (!trial--)
- return -ETIMEDOUT;
- } while (picodlp_i2c_read(client, MAIN_STATUS) & DMA_STATUS);
-
- return 0;
-}
-
-/**
- * picodlp_i2c_init: i2c_initialization routine
- * client: i2c_client for communication
- *
- * return
- * 0 : Success, no error
- * error code : Failure
- */
-static int picodlp_i2c_init(struct i2c_client *client)
-{
- int r;
- static const struct picodlp_i2c_command init_cmd_set1[] = {
- {SOFT_RESET, 1},
- {DMD_PARK_TRIGGER, 1},
- {MISC_REG, 5},
- {SEQ_CONTROL, 0},
- {SEQ_VECTOR, 0x100},
- {DMD_BLOCK_COUNT, 7},
- {DMD_VCC_CONTROL, 0x109},
- {DMD_PARK_PULSE_COUNT, 0xA},
- {DMD_PARK_PULSE_WIDTH, 0xB},
- {DMD_PARK_DELAY, 0x2ED},
- {DMD_SHADOW_ENABLE, 0},
- {FLASH_OPCODE, 0xB},
- {FLASH_DUMMY_BYTES, 1},
- {FLASH_ADDR_BYTES, 3},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, CMT_LUT_0_START_ADDR},
- {FLASH_READ_BYTES, CMT_LUT_0_SIZE},
- {CMT_SPLASH_LUT_START_ADDR, 0},
- {CMT_SPLASH_LUT_DEST_SELECT, CMT_LUT_ALL},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set2[] = {
- {PBC_CONTROL, 0},
- {CMT_SPLASH_LUT_DEST_SELECT, 0},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, SEQUENCE_0_START_ADDR},
- {FLASH_READ_BYTES, SEQUENCE_0_SIZE},
- {SEQ_RESET_LUT_START_ADDR, 0},
- {SEQ_RESET_LUT_DEST_SELECT, SEQ_SEQ_LUT},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set3[] = {
- {PBC_CONTROL, 0},
- {SEQ_RESET_LUT_DEST_SELECT, 0},
- {PBC_CONTROL, 0},
- {FLASH_START_ADDR, DRC_TABLE_0_START_ADDR},
- {FLASH_READ_BYTES, DRC_TABLE_0_SIZE},
- {SEQ_RESET_LUT_START_ADDR, 0},
- {SEQ_RESET_LUT_DEST_SELECT, SEQ_DRC_LUT_ALL},
- {PBC_CONTROL, 1},
- };
-
- static const struct picodlp_i2c_command init_cmd_set4[] = {
- {PBC_CONTROL, 0},
- {SEQ_RESET_LUT_DEST_SELECT, 0},
- {SDC_ENABLE, 1},
- {AGC_CTRL, 7},
- {CCA_C1A, 0x100},
- {CCA_C1B, 0x0},
- {CCA_C1C, 0x0},
- {CCA_C2A, 0x0},
- {CCA_C2B, 0x100},
- {CCA_C2C, 0x0},
- {CCA_C3A, 0x0},
- {CCA_C3B, 0x0},
- {CCA_C3C, 0x100},
- {CCA_C7A, 0x100},
- {CCA_C7B, 0x100},
- {CCA_C7C, 0x100},
- {CCA_ENABLE, 1},
- {CPU_IF_MODE, 1},
- {SHORT_FLIP, 1},
- {CURTAIN_CONTROL, 0},
- {DMD_PARK_TRIGGER, 0},
- {R_DRIVE_CURRENT, 0x298},
- {G_DRIVE_CURRENT, 0x298},
- {B_DRIVE_CURRENT, 0x298},
- {RGB_DRIVER_ENABLE, 7},
- {SEQ_CONTROL, 0},
- {ACTGEN_CONTROL, 0x10},
- {SEQUENCE_MODE, SEQ_LOCK},
- {DATA_FORMAT, RGB888},
- {INPUT_RESOLUTION, WVGA_864_LANDSCAPE},
- {INPUT_SOURCE, PARALLEL_RGB},
- {CPU_IF_SYNC_METHOD, 1},
- {SEQ_CONTROL, 1}
- };
-
- r = picodlp_i2c_write_array(client, init_cmd_set1,
- ARRAY_SIZE(init_cmd_set1));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set2,
- ARRAY_SIZE(init_cmd_set2));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set3,
- ARRAY_SIZE(init_cmd_set3));
- if (r)
- return r;
-
- r = picodlp_wait_for_dma_done(client);
- if (r)
- return r;
-
- r = picodlp_i2c_write_array(client, init_cmd_set4,
- ARRAY_SIZE(init_cmd_set4));
- if (r)
- return r;
-
- return 0;
-}
-
-static int picodlp_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct picodlp_i2c_data *picodlp_i2c_data;
-
- picodlp_i2c_data = kzalloc(sizeof(struct picodlp_i2c_data), GFP_KERNEL);
-
- if (!picodlp_i2c_data)
- return -ENOMEM;
-
- mutex_init(&picodlp_i2c_data->xfer_lock);
- i2c_set_clientdata(client, picodlp_i2c_data);
-
- return 0;
-}
-
-static int picodlp_i2c_remove(struct i2c_client *client)
-{
- struct picodlp_i2c_data *picodlp_i2c_data =
- i2c_get_clientdata(client);
- kfree(picodlp_i2c_data);
- return 0;
-}
-
-static struct i2c_driver picodlp_i2c_driver = {
- .driver = {
- .name = "picodlp_i2c_driver",
- },
- .probe = picodlp_i2c_probe,
- .remove = picodlp_i2c_remove,
- .id_table = picodlp_i2c_id,
-};
-
-static int picodlp_panel_power_on(struct omap_dss_device *dssdev)
-{
- int r, trial = 100;
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
-
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
- msleep(1);
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 1);
-
- while (!gpio_get_value(picodlp_pdata->emu_done_gpio)) {
- if (!trial--) {
- dev_err(dssdev->dev, "emu_done signal not"
- " going high\n");
- return -ETIMEDOUT;
- }
- msleep(5);
- }
- /*
- * As per dpp2600 programming guide,
- * it is required to sleep for 1000ms after emu_done signal goes high
- * then only i2c commands can be successfully sent to dpp2600
- */
- msleep(1000);
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r) {
- dev_err(dssdev->dev, "failed to enable DPI\n");
- goto err1;
- }
-
- r = picodlp_i2c_init(picod->picodlp_i2c_client);
- if (r)
- goto err;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return r;
-err:
- omapdss_dpi_display_disable(dssdev);
-err1:
- return r;
-}
-
-static void picodlp_panel_power_off(struct omap_dss_device *dssdev)
-{
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
-
- omapdss_dpi_display_disable(dssdev);
-
- gpio_set_value(picodlp_pdata->emu_done_gpio, 0);
- gpio_set_value(picodlp_pdata->pwrgood_gpio, 0);
-}
-
-static int picodlp_panel_probe(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod;
- struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
- struct i2c_adapter *adapter;
- struct i2c_client *picodlp_i2c_client;
- int r, picodlp_adapter_id;
-
- dssdev->panel.timings = pico_ls_timings;
-
- if (!picodlp_pdata)
- return -EINVAL;
-
- picod = devm_kzalloc(dssdev->dev, sizeof(*picod), GFP_KERNEL);
- if (!picod)
- return -ENOMEM;
-
- mutex_init(&picod->lock);
-
- picodlp_adapter_id = picodlp_pdata->picodlp_adapter_id;
-
- adapter = i2c_get_adapter(picodlp_adapter_id);
- if (!adapter) {
- dev_err(dssdev->dev, "can't get i2c adapter\n");
- return -ENODEV;
- }
-
- picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info);
- if (!picodlp_i2c_client) {
- dev_err(dssdev->dev, "can't add i2c device::"
- " picodlp_i2c_client is NULL\n");
- return -ENODEV;
- }
-
- picod->picodlp_i2c_client = picodlp_i2c_client;
-
- dev_set_drvdata(dssdev->dev, picod);
-
- if (gpio_is_valid(picodlp_pdata->emu_done_gpio)) {
- r = devm_gpio_request_one(dssdev->dev,
- picodlp_pdata->emu_done_gpio,
- GPIOF_IN, "DLP EMU DONE");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(picodlp_pdata->pwrgood_gpio)) {
- r = devm_gpio_request_one(dssdev->dev,
- picodlp_pdata->pwrgood_gpio,
- GPIOF_OUT_INIT_LOW, "DLP PWRGOOD");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void picodlp_panel_remove(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
-
- i2c_unregister_device(picod->picodlp_i2c_client);
- dev_set_drvdata(dssdev->dev, NULL);
- dev_dbg(dssdev->dev, "removing picodlp panel\n");
-}
-
-static int picodlp_panel_enable(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
- int r;
-
- dev_dbg(dssdev->dev, "enabling picodlp panel\n");
-
- mutex_lock(&picod->lock);
- if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
- mutex_unlock(&picod->lock);
- return -EINVAL;
- }
-
- r = picodlp_panel_power_on(dssdev);
- mutex_unlock(&picod->lock);
-
- return r;
-}
-
-static void picodlp_panel_disable(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&picod->lock);
- /* Turn off DLP Power */
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- picodlp_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
- mutex_unlock(&picod->lock);
-
- dev_dbg(dssdev->dev, "disabling picodlp panel\n");
-}
-
-static void picodlp_get_resolution(struct omap_dss_device *dssdev,
- u16 *xres, u16 *yres)
-{
- *xres = dssdev->panel.timings.x_res;
- *yres = dssdev->panel.timings.y_res;
-}
-
-static struct omap_dss_driver picodlp_driver = {
- .probe = picodlp_panel_probe,
- .remove = picodlp_panel_remove,
-
- .enable = picodlp_panel_enable,
- .disable = picodlp_panel_disable,
-
- .get_resolution = picodlp_get_resolution,
-
- .driver = {
- .name = "picodlp_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init picodlp_init(void)
-{
- int r = 0;
-
- r = i2c_add_driver(&picodlp_i2c_driver);
- if (r) {
- printk(KERN_WARNING "picodlp_i2c_driver" \
- " registration failed\n");
- return r;
- }
-
- r = omap_dss_register_driver(&picodlp_driver);
- if (r)
- i2c_del_driver(&picodlp_i2c_driver);
-
- return r;
-}
-
-static void __exit picodlp_exit(void)
-{
- i2c_del_driver(&picodlp_i2c_driver);
- omap_dss_unregister_driver(&picodlp_driver);
-}
-
-module_init(picodlp_init);
-module_exit(picodlp_exit);
-
-MODULE_AUTHOR("Mythri P K <mythripk@ti.com>");
-MODULE_DESCRIPTION("picodlp driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Header file required by picodlp panel driver
- *
- * Copyright (C) 2009-2011 Texas Instruments
- * Author: Mythri P K <mythripk@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __OMAP2_DISPLAY_PANEL_PICODLP_H
-#define __OMAP2_DISPLAY_PANEL_PICODLP_H
-
-/* Commands used for configuring picodlp panel */
-
-#define MAIN_STATUS 0x03
-#define PBC_CONTROL 0x08
-#define INPUT_SOURCE 0x0B
-#define INPUT_RESOLUTION 0x0C
-#define DATA_FORMAT 0x0D
-#define IMG_ROTATION 0x0E
-#define LONG_FLIP 0x0F
-#define SHORT_FLIP 0x10
-#define TEST_PAT_SELECT 0x11
-#define R_DRIVE_CURRENT 0x12
-#define G_DRIVE_CURRENT 0x13
-#define B_DRIVE_CURRENT 0x14
-#define READ_REG_SELECT 0x15
-#define RGB_DRIVER_ENABLE 0x16
-
-#define CPU_IF_MODE 0x18
-#define FRAME_RATE 0x19
-#define CPU_IF_SYNC_METHOD 0x1A
-#define CPU_IF_SOF 0x1B
-#define CPU_IF_EOF 0x1C
-#define CPU_IF_SLEEP 0x1D
-
-#define SEQUENCE_MODE 0x1E
-#define SOFT_RESET 0x1F
-#define FRONT_END_RESET 0x21
-#define AUTO_PWR_ENABLE 0x22
-
-#define VSYNC_LINE_DELAY 0x23
-#define CPU_PI_HORIZ_START 0x24
-#define CPU_PI_VERT_START 0x25
-#define CPU_PI_HORIZ_WIDTH 0x26
-#define CPU_PI_VERT_HEIGHT 0x27
-
-#define PIXEL_MASK_CROP 0x28
-#define CROP_FIRST_LINE 0x29
-#define CROP_LAST_LINE 0x2A
-#define CROP_FIRST_PIXEL 0x2B
-#define CROP_LAST_PIXEL 0x2C
-#define DMD_PARK_TRIGGER 0x2D
-
-#define MISC_REG 0x30
-
-/* AGC registers */
-#define AGC_CTRL 0x50
-#define AGC_CLIPPED_PIXS 0x55
-#define AGC_BRIGHT_PIXS 0x56
-#define AGC_BG_PIXS 0x57
-#define AGC_SAFETY_MARGIN 0x17
-
-/* Color Coordinate Adjustment registers */
-#define CCA_ENABLE 0x5E
-#define CCA_C1A 0x5F
-#define CCA_C1B 0x60
-#define CCA_C1C 0x61
-#define CCA_C2A 0x62
-#define CCA_C2B 0x63
-#define CCA_C2C 0x64
-#define CCA_C3A 0x65
-#define CCA_C3B 0x66
-#define CCA_C3C 0x67
-#define CCA_C7A 0x71
-#define CCA_C7B 0x72
-#define CCA_C7C 0x73
-
-/**
- * DLP Pico Processor 2600 comes with flash
- * We can do DMA operations from flash for accessing Look Up Tables
- */
-#define DMA_STATUS 0x100
-#define FLASH_ADDR_BYTES 0x74
-#define FLASH_DUMMY_BYTES 0x75
-#define FLASH_WRITE_BYTES 0x76
-#define FLASH_READ_BYTES 0x77
-#define FLASH_OPCODE 0x78
-#define FLASH_START_ADDR 0x79
-#define FLASH_DUMMY2 0x7A
-#define FLASH_WRITE_DATA 0x7B
-
-#define TEMPORAL_DITH_DISABLE 0x7E
-#define SEQ_CONTROL 0x82
-#define SEQ_VECTOR 0x83
-
-/* DMD is Digital Micromirror Device */
-#define DMD_BLOCK_COUNT 0x84
-#define DMD_VCC_CONTROL 0x86
-#define DMD_PARK_PULSE_COUNT 0x87
-#define DMD_PARK_PULSE_WIDTH 0x88
-#define DMD_PARK_DELAY 0x89
-#define DMD_SHADOW_ENABLE 0x8E
-#define SEQ_STATUS 0x8F
-#define FLASH_CLOCK_CONTROL 0x98
-#define DMD_PARK 0x2D
-
-#define SDRAM_BIST_ENABLE 0x46
-#define DDR_DRIVER_STRENGTH 0x9A
-#define SDC_ENABLE 0x9D
-#define SDC_BUFF_SWAP_DISABLE 0xA3
-#define CURTAIN_CONTROL 0xA6
-#define DDR_BUS_SWAP_ENABLE 0xA7
-#define DMD_TRC_ENABLE 0xA8
-#define DMD_BUS_SWAP_ENABLE 0xA9
-
-#define ACTGEN_ENABLE 0xAE
-#define ACTGEN_CONTROL 0xAF
-#define ACTGEN_HORIZ_BP 0xB0
-#define ACTGEN_VERT_BP 0xB1
-
-/* Look Up Table access */
-#define CMT_SPLASH_LUT_START_ADDR 0xFA
-#define CMT_SPLASH_LUT_DEST_SELECT 0xFB
-#define CMT_SPLASH_LUT_DATA 0xFC
-#define SEQ_RESET_LUT_START_ADDR 0xFD
-#define SEQ_RESET_LUT_DEST_SELECT 0xFE
-#define SEQ_RESET_LUT_DATA 0xFF
-
-/* Input source definitions */
-#define PARALLEL_RGB 0
-#define INT_TEST_PATTERN 1
-#define SPLASH_SCREEN 2
-#define CPU_INTF 3
-#define BT656 4
-
-/* Standard input resolution definitions */
-#define QWVGA_LANDSCAPE 3 /* (427h*240v) */
-#define WVGA_864_LANDSCAPE 21 /* (864h*480v) */
-#define WVGA_DMD_OPTICAL_TEST 35 /* (608h*684v) */
-
-/* Standard data format definitions */
-#define RGB565 0
-#define RGB666 1
-#define RGB888 2
-
-/* Test Pattern definitions */
-#define TPG_CHECKERBOARD 0
-#define TPG_BLACK 1
-#define TPG_WHITE 2
-#define TPG_RED 3
-#define TPG_BLUE 4
-#define TPG_GREEN 5
-#define TPG_VLINES_BLACK 6
-#define TPG_HLINES_BLACK 7
-#define TPG_VLINES_ALT 8
-#define TPG_HLINES_ALT 9
-#define TPG_DIAG_LINES 10
-#define TPG_GREYRAMP_VERT 11
-#define TPG_GREYRAMP_HORIZ 12
-#define TPG_ANSI_CHECKERBOARD 13
-
-/* sequence mode definitions */
-#define SEQ_FREE_RUN 0
-#define SEQ_LOCK 1
-
-/* curtain color definitions */
-#define CURTAIN_BLACK 0
-#define CURTAIN_RED 1
-#define CURTAIN_GREEN 2
-#define CURTAIN_BLUE 3
-#define CURTAIN_YELLOW 4
-#define CURTAIN_MAGENTA 5
-#define CURTAIN_CYAN 6
-#define CURTAIN_WHITE 7
-
-/* LUT definitions */
-#define CMT_LUT_NONE 0
-#define CMT_LUT_GREEN 1
-#define CMT_LUT_RED 2
-#define CMT_LUT_BLUE 3
-#define CMT_LUT_ALL 4
-#define SPLASH_LUT 5
-
-#define SEQ_LUT_NONE 0
-#define SEQ_DRC_LUT_0 1
-#define SEQ_DRC_LUT_1 2
-#define SEQ_DRC_LUT_2 3
-#define SEQ_DRC_LUT_3 4
-#define SEQ_SEQ_LUT 5
-#define SEQ_DRC_LUT_ALL 6
-#define WPC_PROGRAM_LUT 7
-
-#define BITSTREAM_START_ADDR 0x00000000
-#define BITSTREAM_SIZE 0x00040000
-
-#define WPC_FW_0_START_ADDR 0x00040000
-#define WPC_FW_0_SIZE 0x00000ce8
-
-#define SEQUENCE_0_START_ADDR 0x00044000
-#define SEQUENCE_0_SIZE 0x00001000
-
-#define SEQUENCE_1_START_ADDR 0x00045000
-#define SEQUENCE_1_SIZE 0x00000d10
-
-#define SEQUENCE_2_START_ADDR 0x00046000
-#define SEQUENCE_2_SIZE 0x00000d10
-
-#define SEQUENCE_3_START_ADDR 0x00047000
-#define SEQUENCE_3_SIZE 0x00000d10
-
-#define SEQUENCE_4_START_ADDR 0x00048000
-#define SEQUENCE_4_SIZE 0x00000d10
-
-#define SEQUENCE_5_START_ADDR 0x00049000
-#define SEQUENCE_5_SIZE 0x00000d10
-
-#define SEQUENCE_6_START_ADDR 0x0004a000
-#define SEQUENCE_6_SIZE 0x00000d10
-
-#define CMT_LUT_0_START_ADDR 0x0004b200
-#define CMT_LUT_0_SIZE 0x00000600
-
-#define CMT_LUT_1_START_ADDR 0x0004b800
-#define CMT_LUT_1_SIZE 0x00000600
-
-#define CMT_LUT_2_START_ADDR 0x0004be00
-#define CMT_LUT_2_SIZE 0x00000600
-
-#define CMT_LUT_3_START_ADDR 0x0004c400
-#define CMT_LUT_3_SIZE 0x00000600
-
-#define CMT_LUT_4_START_ADDR 0x0004ca00
-#define CMT_LUT_4_SIZE 0x00000600
-
-#define CMT_LUT_5_START_ADDR 0x0004d000
-#define CMT_LUT_5_SIZE 0x00000600
-
-#define CMT_LUT_6_START_ADDR 0x0004d600
-#define CMT_LUT_6_SIZE 0x00000600
-
-#define DRC_TABLE_0_START_ADDR 0x0004dc00
-#define DRC_TABLE_0_SIZE 0x00000100
-
-#define SPLASH_0_START_ADDR 0x0004dd00
-#define SPLASH_0_SIZE 0x00032280
-
-#define SEQUENCE_7_START_ADDR 0x00080000
-#define SEQUENCE_7_SIZE 0x00000d10
-
-#define SEQUENCE_8_START_ADDR 0x00081800
-#define SEQUENCE_8_SIZE 0x00000d10
-
-#define SEQUENCE_9_START_ADDR 0x00083000
-#define SEQUENCE_9_SIZE 0x00000d10
-
-#define CMT_LUT_7_START_ADDR 0x0008e000
-#define CMT_LUT_7_SIZE 0x00000600
-
-#define CMT_LUT_8_START_ADDR 0x0008e800
-#define CMT_LUT_8_SIZE 0x00000600
-
-#define CMT_LUT_9_START_ADDR 0x0008f000
-#define CMT_LUT_9_SIZE 0x00000600
-
-#define SPLASH_1_START_ADDR 0x0009a000
-#define SPLASH_1_SIZE 0x00032280
-
-#define SPLASH_2_START_ADDR 0x000cd000
-#define SPLASH_2_SIZE 0x00032280
-
-#define SPLASH_3_START_ADDR 0x00100000
-#define SPLASH_3_SIZE 0x00032280
-
-#define OPT_SPLASH_0_START_ADDR 0x00134000
-#define OPT_SPLASH_0_SIZE 0x000cb100
-
-#endif
+++ /dev/null
-/*
- * LCD panel driver for Sharp LS037V7DW01
- *
- * Copyright (C) 2008 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/fb.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-static struct omap_video_timings sharp_ls_timings = {
- .x_res = 480,
- .y_res = 640,
-
- .pixel_clock = 19200,
-
- .hsw = 2,
- .hfp = 1,
- .hbp = 28,
-
- .vsw = 1,
- .vfp = 1,
- .vbp = 1,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-static inline struct panel_sharp_ls037v7dw01_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_sharp_ls037v7dw01_data *) dssdev->data;
-}
-
-static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
-{
- struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev);
- int r;
-
- if (!pd)
- return -EINVAL;
-
- dssdev->panel.timings = sharp_ls_timings;
-
- if (gpio_is_valid(pd->mo_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->mo_gpio,
- GPIOF_OUT_INIT_LOW, "lcd MO");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(pd->lr_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->lr_gpio,
- GPIOF_OUT_INIT_HIGH, "lcd LR");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(pd->ud_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->ud_gpio,
- GPIOF_OUT_INIT_HIGH, "lcd UD");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(pd->resb_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->resb_gpio,
- GPIOF_OUT_INIT_LOW, "lcd RESB");
- if (r)
- return r;
- }
-
- if (gpio_is_valid(pd->ini_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, pd->ini_gpio,
- GPIOF_OUT_INIT_LOW, "lcd INI");
- if (r)
- return r;
- }
-
- return 0;
-}
-
-static void __exit sharp_ls_panel_remove(struct omap_dss_device *dssdev)
-{
-}
-
-static int sharp_ls_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev);
- int r = 0;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- /* wait couple of vsyncs until enabling the LCD */
- msleep(50);
-
- if (gpio_is_valid(pd->resb_gpio))
- gpio_set_value_cansleep(pd->resb_gpio, 1);
-
- if (gpio_is_valid(pd->ini_gpio))
- gpio_set_value_cansleep(pd->ini_gpio, 1);
-
- return 0;
-err0:
- return r;
-}
-
-static void sharp_ls_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_sharp_ls037v7dw01_data *pd = get_panel_data(dssdev);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- if (gpio_is_valid(pd->ini_gpio))
- gpio_set_value_cansleep(pd->ini_gpio, 0);
-
- if (gpio_is_valid(pd->resb_gpio))
- gpio_set_value_cansleep(pd->resb_gpio, 0);
-
- /* wait at least 5 vsyncs after disabling the LCD */
-
- msleep(100);
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
-{
- int r;
- r = sharp_ls_power_on(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
- return r;
-}
-
-static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
-{
- sharp_ls_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static struct omap_dss_driver sharp_ls_driver = {
- .probe = sharp_ls_panel_probe,
- .remove = __exit_p(sharp_ls_panel_remove),
-
- .enable = sharp_ls_panel_enable,
- .disable = sharp_ls_panel_disable,
-
- .driver = {
- .name = "sharp_ls_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init sharp_ls_panel_drv_init(void)
-{
- return omap_dss_register_driver(&sharp_ls_driver);
-}
-
-static void __exit sharp_ls_panel_drv_exit(void)
-{
- omap_dss_unregister_driver(&sharp_ls_driver);
-}
-
-module_init(sharp_ls_panel_drv_init);
-module_exit(sharp_ls_panel_drv_exit);
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Taal DSI command mode panel
- *
- * Copyright (C) 2009 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-/*#define DEBUG*/
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/jiffies.h>
-#include <linux/sched.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-#include <linux/workqueue.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-#include <video/mipi_display.h>
-
-/* DSI Virtual channel. Hardcoded for now. */
-#define TCH 0
-
-#define DCS_READ_NUM_ERRORS 0x05
-#define DCS_BRIGHTNESS 0x51
-#define DCS_CTRL_DISPLAY 0x53
-#define DCS_WRITE_CABC 0x55
-#define DCS_READ_CABC 0x56
-#define DCS_GET_ID1 0xda
-#define DCS_GET_ID2 0xdb
-#define DCS_GET_ID3 0xdc
-
-static irqreturn_t taal_te_isr(int irq, void *data);
-static void taal_te_timeout_work_callback(struct work_struct *work);
-static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
-
-static int taal_panel_reset(struct omap_dss_device *dssdev);
-
-struct taal_data {
- struct mutex lock;
-
- struct backlight_device *bldev;
-
- 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 omap_dss_device *dssdev;
-
- /* panel HW configuration from DT or platform data */
- int reset_gpio;
- int ext_te_gpio;
-
- bool use_dsi_backlight;
-
- struct omap_dsi_pin_config pin_config;
-
- /* runtime variables */
- bool enabled;
-
- bool te_enabled;
-
- atomic_t do_update;
- int channel;
-
- struct delayed_work te_timeout_work;
-
- bool cabc_broken;
- unsigned cabc_mode;
-
- bool intro_printed;
-
- struct workqueue_struct *workqueue;
-
- struct delayed_work esd_work;
- unsigned esd_interval;
-
- bool ulps_enabled;
- unsigned ulps_timeout;
- struct delayed_work ulps_work;
-};
-
-static void taal_esd_work(struct work_struct *work);
-static void taal_ulps_work(struct work_struct *work);
-
-static void hw_guard_start(struct taal_data *td, int guard_msec)
-{
- td->hw_guard_wait = msecs_to_jiffies(guard_msec);
- td->hw_guard_end = jiffies + td->hw_guard_wait;
-}
-
-static void hw_guard_wait(struct taal_data *td)
-{
- unsigned long wait = td->hw_guard_end - jiffies;
-
- if ((long)wait > 0 && wait <= td->hw_guard_wait) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(wait);
- }
-}
-
-static int taal_dcs_read_1(struct taal_data *td, u8 dcs_cmd, u8 *data)
-{
- int r;
- u8 buf[1];
-
- r = dsi_vc_dcs_read(td->dssdev, td->channel, dcs_cmd, buf, 1);
-
- if (r < 0)
- return r;
-
- *data = buf[0];
-
- return 0;
-}
-
-static int taal_dcs_write_0(struct taal_data *td, u8 dcs_cmd)
-{
- return dsi_vc_dcs_write(td->dssdev, td->channel, &dcs_cmd, 1);
-}
-
-static int taal_dcs_write_1(struct taal_data *td, u8 dcs_cmd, u8 param)
-{
- u8 buf[2];
- buf[0] = dcs_cmd;
- buf[1] = param;
- return dsi_vc_dcs_write(td->dssdev, td->channel, buf, 2);
-}
-
-static int taal_sleep_in(struct taal_data *td)
-
-{
- u8 cmd;
- int r;
-
- hw_guard_wait(td);
-
- cmd = MIPI_DCS_ENTER_SLEEP_MODE;
- r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, &cmd, 1);
- if (r)
- return r;
-
- hw_guard_start(td, 120);
-
- msleep(5);
-
- return 0;
-}
-
-static int taal_sleep_out(struct taal_data *td)
-{
- int r;
-
- hw_guard_wait(td);
-
- r = taal_dcs_write_0(td, MIPI_DCS_EXIT_SLEEP_MODE);
- if (r)
- return r;
-
- hw_guard_start(td, 120);
-
- msleep(5);
-
- return 0;
-}
-
-static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3)
-{
- int r;
-
- r = taal_dcs_read_1(td, DCS_GET_ID1, id1);
- if (r)
- return r;
- r = taal_dcs_read_1(td, DCS_GET_ID2, id2);
- if (r)
- return r;
- r = taal_dcs_read_1(td, DCS_GET_ID3, id3);
- if (r)
- return r;
-
- return 0;
-}
-
-static int taal_set_update_window(struct taal_data *td,
- u16 x, u16 y, u16 w, u16 h)
-{
- int r;
- u16 x1 = x;
- u16 x2 = x + w - 1;
- u16 y1 = y;
- u16 y2 = y + h - 1;
-
- u8 buf[5];
- buf[0] = MIPI_DCS_SET_COLUMN_ADDRESS;
- buf[1] = (x1 >> 8) & 0xff;
- buf[2] = (x1 >> 0) & 0xff;
- buf[3] = (x2 >> 8) & 0xff;
- buf[4] = (x2 >> 0) & 0xff;
-
- r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
- if (r)
- return r;
-
- buf[0] = MIPI_DCS_SET_PAGE_ADDRESS;
- buf[1] = (y1 >> 8) & 0xff;
- buf[2] = (y1 >> 0) & 0xff;
- buf[3] = (y2 >> 8) & 0xff;
- buf[4] = (y2 >> 0) & 0xff;
-
- r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
- if (r)
- return r;
-
- dsi_vc_send_bta_sync(td->dssdev, td->channel);
-
- return r;
-}
-
-static void taal_queue_esd_work(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- if (td->esd_interval > 0)
- queue_delayed_work(td->workqueue, &td->esd_work,
- msecs_to_jiffies(td->esd_interval));
-}
-
-static void taal_cancel_esd_work(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- cancel_delayed_work(&td->esd_work);
-}
-
-static void taal_queue_ulps_work(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- if (td->ulps_timeout > 0)
- queue_delayed_work(td->workqueue, &td->ulps_work,
- msecs_to_jiffies(td->ulps_timeout));
-}
-
-static void taal_cancel_ulps_work(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- cancel_delayed_work(&td->ulps_work);
-}
-
-static int taal_enter_ulps(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- if (td->ulps_enabled)
- return 0;
-
- taal_cancel_ulps_work(dssdev);
-
- r = _taal_enable_te(dssdev, false);
- if (r)
- goto err;
-
- if (gpio_is_valid(td->ext_te_gpio))
- disable_irq(gpio_to_irq(td->ext_te_gpio));
-
- omapdss_dsi_display_disable(dssdev, false, true);
-
- td->ulps_enabled = true;
-
- return 0;
-
-err:
- dev_err(dssdev->dev, "enter ULPS failed");
- taal_panel_reset(dssdev);
-
- td->ulps_enabled = false;
-
- taal_queue_ulps_work(dssdev);
-
- return r;
-}
-
-static int taal_exit_ulps(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- if (!td->ulps_enabled)
- return 0;
-
- r = omapdss_dsi_display_enable(dssdev);
- if (r) {
- dev_err(dssdev->dev, "failed to enable DSI\n");
- goto err1;
- }
-
- omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
-
- r = _taal_enable_te(dssdev, true);
- if (r) {
- dev_err(dssdev->dev, "failed to re-enable TE");
- goto err2;
- }
-
- if (gpio_is_valid(td->ext_te_gpio))
- enable_irq(gpio_to_irq(td->ext_te_gpio));
-
- taal_queue_ulps_work(dssdev);
-
- td->ulps_enabled = false;
-
- return 0;
-
-err2:
- dev_err(dssdev->dev, "failed to exit ULPS");
-
- r = taal_panel_reset(dssdev);
- if (!r) {
- if (gpio_is_valid(td->ext_te_gpio))
- enable_irq(gpio_to_irq(td->ext_te_gpio));
- td->ulps_enabled = false;
- }
-err1:
- taal_queue_ulps_work(dssdev);
-
- return r;
-}
-
-static int taal_wake_up(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- if (td->ulps_enabled)
- return taal_exit_ulps(dssdev);
-
- taal_cancel_ulps_work(dssdev);
- taal_queue_ulps_work(dssdev);
- return 0;
-}
-
-static int taal_bl_update_status(struct backlight_device *dev)
-{
- struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
- int level;
-
- if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
- dev->props.power == FB_BLANK_UNBLANK)
- level = dev->props.brightness;
- else
- level = 0;
-
- dev_dbg(dssdev->dev, "update brightness to %d\n", level);
-
- mutex_lock(&td->lock);
-
- if (td->enabled) {
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (!r)
- r = taal_dcs_write_1(td, DCS_BRIGHTNESS, level);
-
- dsi_bus_unlock(dssdev);
- } else {
- r = 0;
- }
-
- mutex_unlock(&td->lock);
-
- return r;
-}
-
-static int taal_bl_get_intensity(struct backlight_device *dev)
-{
- if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
- dev->props.power == FB_BLANK_UNBLANK)
- return dev->props.brightness;
-
- return 0;
-}
-
-static const struct backlight_ops taal_bl_ops = {
- .get_brightness = taal_bl_get_intensity,
- .update_status = taal_bl_update_status,
-};
-
-static void taal_get_resolution(struct omap_dss_device *dssdev,
- u16 *xres, u16 *yres)
-{
- *xres = dssdev->panel.timings.x_res;
- *yres = dssdev->panel.timings.y_res;
-}
-
-static ssize_t taal_num_errors_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- u8 errors = 0;
- int r;
-
- mutex_lock(&td->lock);
-
- if (td->enabled) {
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (!r)
- r = taal_dcs_read_1(td, DCS_READ_NUM_ERRORS, &errors);
-
- dsi_bus_unlock(dssdev);
- } else {
- r = -ENODEV;
- }
-
- mutex_unlock(&td->lock);
-
- if (r)
- return r;
-
- return snprintf(buf, PAGE_SIZE, "%d\n", errors);
-}
-
-static ssize_t taal_hw_revision_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- u8 id1, id2, id3;
- int r;
-
- mutex_lock(&td->lock);
-
- if (td->enabled) {
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (!r)
- r = taal_get_id(td, &id1, &id2, &id3);
-
- dsi_bus_unlock(dssdev);
- } else {
- r = -ENODEV;
- }
-
- mutex_unlock(&td->lock);
-
- if (r)
- return r;
-
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3);
-}
-
-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 omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- const char *mode_str;
- int mode;
- int len;
-
- mode = td->cabc_mode;
-
- 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 omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int i;
- int r;
-
- for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
- if (sysfs_streq(cabc_modes[i], buf))
- break;
- }
-
- if (i == ARRAY_SIZE(cabc_modes))
- return -EINVAL;
-
- mutex_lock(&td->lock);
-
- if (td->enabled) {
- dsi_bus_lock(dssdev);
-
- if (!td->cabc_broken) {
- r = taal_wake_up(dssdev);
- if (r)
- goto err;
-
- r = taal_dcs_write_1(td, DCS_WRITE_CABC, i);
- if (r)
- goto err;
- }
-
- dsi_bus_unlock(dssdev);
- }
-
- td->cabc_mode = i;
-
- mutex_unlock(&td->lock);
-
- return count;
-err:
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
- return r;
-}
-
-static ssize_t show_cabc_available_modes(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- int len;
- int i;
-
- 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 ssize_t taal_store_esd_interval(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- unsigned long t;
- int r;
-
- r = kstrtoul(buf, 10, &t);
- if (r)
- return r;
-
- mutex_lock(&td->lock);
- taal_cancel_esd_work(dssdev);
- td->esd_interval = t;
- if (td->enabled)
- taal_queue_esd_work(dssdev);
- mutex_unlock(&td->lock);
-
- return count;
-}
-
-static ssize_t taal_show_esd_interval(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- unsigned t;
-
- mutex_lock(&td->lock);
- t = td->esd_interval;
- mutex_unlock(&td->lock);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", t);
-}
-
-static ssize_t taal_store_ulps(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- unsigned long t;
- int r;
-
- r = kstrtoul(buf, 10, &t);
- if (r)
- return r;
-
- mutex_lock(&td->lock);
-
- if (td->enabled) {
- dsi_bus_lock(dssdev);
-
- if (t)
- r = taal_enter_ulps(dssdev);
- else
- r = taal_wake_up(dssdev);
-
- dsi_bus_unlock(dssdev);
- }
-
- mutex_unlock(&td->lock);
-
- if (r)
- return r;
-
- return count;
-}
-
-static ssize_t taal_show_ulps(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- unsigned t;
-
- mutex_lock(&td->lock);
- t = td->ulps_enabled;
- mutex_unlock(&td->lock);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", t);
-}
-
-static ssize_t taal_store_ulps_timeout(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- unsigned long t;
- int r;
-
- r = kstrtoul(buf, 10, &t);
- if (r)
- return r;
-
- mutex_lock(&td->lock);
- td->ulps_timeout = t;
-
- if (td->enabled) {
- /* taal_wake_up will restart the timer */
- dsi_bus_lock(dssdev);
- r = taal_wake_up(dssdev);
- dsi_bus_unlock(dssdev);
- }
-
- mutex_unlock(&td->lock);
-
- if (r)
- return r;
-
- return count;
-}
-
-static ssize_t taal_show_ulps_timeout(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct omap_dss_device *dssdev = to_dss_device(dev);
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- unsigned t;
-
- mutex_lock(&td->lock);
- t = td->ulps_timeout;
- mutex_unlock(&td->lock);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", t);
-}
-
-static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL);
-static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL);
-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 DEVICE_ATTR(esd_interval, S_IRUGO | S_IWUSR,
- taal_show_esd_interval, taal_store_esd_interval);
-static DEVICE_ATTR(ulps, S_IRUGO | S_IWUSR,
- taal_show_ulps, taal_store_ulps);
-static DEVICE_ATTR(ulps_timeout, S_IRUGO | S_IWUSR,
- taal_show_ulps_timeout, taal_store_ulps_timeout);
-
-static struct attribute *taal_attrs[] = {
- &dev_attr_num_dsi_errors.attr,
- &dev_attr_hw_revision.attr,
- &dev_attr_cabc_mode.attr,
- &dev_attr_cabc_available_modes.attr,
- &dev_attr_esd_interval.attr,
- &dev_attr_ulps.attr,
- &dev_attr_ulps_timeout.attr,
- NULL,
-};
-
-static struct attribute_group taal_attr_group = {
- .attrs = taal_attrs,
-};
-
-static void taal_hw_reset(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- if (!gpio_is_valid(td->reset_gpio))
- return;
-
- gpio_set_value(td->reset_gpio, 1);
- udelay(10);
- /* reset the panel */
- gpio_set_value(td->reset_gpio, 0);
- /* assert reset */
- udelay(10);
- gpio_set_value(td->reset_gpio, 1);
- /* wait after releasing reset */
- msleep(5);
-}
-
-static void taal_probe_pdata(struct taal_data *td,
- const struct nokia_dsi_panel_data *pdata)
-{
- td->reset_gpio = pdata->reset_gpio;
-
- if (pdata->use_ext_te)
- td->ext_te_gpio = pdata->ext_te_gpio;
- else
- td->ext_te_gpio = -1;
-
- td->esd_interval = pdata->esd_interval;
- td->ulps_timeout = pdata->ulps_timeout;
-
- td->use_dsi_backlight = pdata->use_dsi_backlight;
-
- td->pin_config = pdata->pin_config;
-}
-
-static int taal_probe(struct omap_dss_device *dssdev)
-{
- struct backlight_properties props;
- struct taal_data *td;
- struct backlight_device *bldev = NULL;
- int r;
-
- dev_dbg(dssdev->dev, "probe\n");
-
- td = devm_kzalloc(dssdev->dev, sizeof(*td), GFP_KERNEL);
- if (!td)
- return -ENOMEM;
-
- dev_set_drvdata(dssdev->dev, td);
- td->dssdev = dssdev;
-
- if (dssdev->data) {
- const struct nokia_dsi_panel_data *pdata = dssdev->data;
-
- taal_probe_pdata(td, pdata);
- } else {
- return -ENODEV;
- }
-
- dssdev->panel.timings.x_res = 864;
- dssdev->panel.timings.y_res = 480;
- dssdev->panel.timings.pixel_clock = DIV_ROUND_UP(864 * 480 * 60, 1000);
- dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888;
- dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
- OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
-
- mutex_init(&td->lock);
-
- atomic_set(&td->do_update, 0);
-
- if (gpio_is_valid(td->reset_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, td->reset_gpio,
- GPIOF_OUT_INIT_LOW, "taal rst");
- if (r) {
- dev_err(dssdev->dev, "failed to request reset gpio\n");
- return r;
- }
- }
-
- if (gpio_is_valid(td->ext_te_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, td->ext_te_gpio,
- GPIOF_IN, "taal irq");
- if (r) {
- dev_err(dssdev->dev, "GPIO request failed\n");
- return r;
- }
-
- r = devm_request_irq(dssdev->dev, gpio_to_irq(td->ext_te_gpio),
- taal_te_isr,
- IRQF_TRIGGER_RISING,
- "taal vsync", dssdev);
-
- if (r) {
- dev_err(dssdev->dev, "IRQ request failed\n");
- return r;
- }
-
- INIT_DEFERRABLE_WORK(&td->te_timeout_work,
- taal_te_timeout_work_callback);
-
- dev_dbg(dssdev->dev, "Using GPIO TE\n");
- }
-
- td->workqueue = create_singlethread_workqueue("taal_esd");
- if (td->workqueue == NULL) {
- dev_err(dssdev->dev, "can't create ESD workqueue\n");
- return -ENOMEM;
- }
- INIT_DEFERRABLE_WORK(&td->esd_work, taal_esd_work);
- INIT_DELAYED_WORK(&td->ulps_work, taal_ulps_work);
-
- taal_hw_reset(dssdev);
-
- if (td->use_dsi_backlight) {
- memset(&props, 0, sizeof(struct backlight_properties));
- props.max_brightness = 255;
-
- props.type = BACKLIGHT_RAW;
- bldev = backlight_device_register(dev_name(dssdev->dev),
- dssdev->dev, dssdev, &taal_bl_ops, &props);
- if (IS_ERR(bldev)) {
- r = PTR_ERR(bldev);
- goto err_bl;
- }
-
- td->bldev = bldev;
-
- bldev->props.fb_blank = FB_BLANK_UNBLANK;
- bldev->props.power = FB_BLANK_UNBLANK;
- bldev->props.brightness = 255;
-
- taal_bl_update_status(bldev);
- }
-
- r = omap_dsi_request_vc(dssdev, &td->channel);
- if (r) {
- dev_err(dssdev->dev, "failed to get virtual channel\n");
- goto err_req_vc;
- }
-
- r = omap_dsi_set_vc_id(dssdev, td->channel, TCH);
- if (r) {
- dev_err(dssdev->dev, "failed to set VC_ID\n");
- goto err_vc_id;
- }
-
- r = sysfs_create_group(&dssdev->dev->kobj, &taal_attr_group);
- if (r) {
- dev_err(dssdev->dev, "failed to create sysfs files\n");
- goto err_vc_id;
- }
-
- return 0;
-
-err_vc_id:
- omap_dsi_release_vc(dssdev, td->channel);
-err_req_vc:
- if (bldev != NULL)
- backlight_device_unregister(bldev);
-err_bl:
- destroy_workqueue(td->workqueue);
- return r;
-}
-
-static void __exit taal_remove(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- struct backlight_device *bldev;
-
- dev_dbg(dssdev->dev, "remove\n");
-
- sysfs_remove_group(&dssdev->dev->kobj, &taal_attr_group);
- omap_dsi_release_vc(dssdev, td->channel);
-
- bldev = td->bldev;
- if (bldev != NULL) {
- bldev->props.power = FB_BLANK_POWERDOWN;
- taal_bl_update_status(bldev);
- backlight_device_unregister(bldev);
- }
-
- taal_cancel_ulps_work(dssdev);
- taal_cancel_esd_work(dssdev);
- destroy_workqueue(td->workqueue);
-
- /* reset, to be sure that the panel is in a valid state */
- taal_hw_reset(dssdev);
-}
-
-static int taal_power_on(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- u8 id1, id2, id3;
- int r;
- struct omap_dss_dsi_config dsi_config = {
- .mode = OMAP_DSS_DSI_CMD_MODE,
- .pixel_format = OMAP_DSS_DSI_FMT_RGB888,
- .timings = &dssdev->panel.timings,
- .hs_clk_min = 150000000,
- .hs_clk_max = 300000000,
- .lp_clk_min = 7000000,
- .lp_clk_max = 10000000,
- };
-
- r = omapdss_dsi_configure_pins(dssdev, &td->pin_config);
- if (r) {
- dev_err(dssdev->dev, "failed to configure DSI pins\n");
- goto err0;
- };
-
- r = omapdss_dsi_set_config(dssdev, &dsi_config);
- if (r) {
- dev_err(dssdev->dev, "failed to configure DSI\n");
- goto err0;
- }
-
- r = omapdss_dsi_display_enable(dssdev);
- if (r) {
- dev_err(dssdev->dev, "failed to enable DSI\n");
- goto err0;
- }
-
- taal_hw_reset(dssdev);
-
- omapdss_dsi_vc_enable_hs(dssdev, td->channel, false);
-
- r = taal_sleep_out(td);
- if (r)
- goto err;
-
- r = taal_get_id(td, &id1, &id2, &id3);
- if (r)
- goto err;
-
- /* on early Taal revisions CABC is broken */
- if (id2 == 0x00 || id2 == 0xff || id2 == 0x81)
- td->cabc_broken = true;
-
- r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff);
- if (r)
- goto err;
-
- r = taal_dcs_write_1(td, DCS_CTRL_DISPLAY,
- (1<<2) | (1<<5)); /* BL | BCTRL */
- if (r)
- goto err;
-
- r = taal_dcs_write_1(td, MIPI_DCS_SET_PIXEL_FORMAT,
- MIPI_DCS_PIXEL_FMT_24BIT);
- if (r)
- goto err;
-
- if (!td->cabc_broken) {
- r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode);
- if (r)
- goto err;
- }
-
- r = taal_dcs_write_0(td, MIPI_DCS_SET_DISPLAY_ON);
- if (r)
- goto err;
-
- r = _taal_enable_te(dssdev, td->te_enabled);
- if (r)
- goto err;
-
- r = dsi_enable_video_output(dssdev, td->channel);
- if (r)
- goto err;
-
- td->enabled = 1;
-
- if (!td->intro_printed) {
- dev_info(dssdev->dev, "panel revision %02x.%02x.%02x\n",
- id1, id2, id3);
- if (td->cabc_broken)
- dev_info(dssdev->dev,
- "old Taal version, CABC disabled\n");
- td->intro_printed = true;
- }
-
- omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
-
- return 0;
-err:
- dev_err(dssdev->dev, "error while enabling panel, issuing HW reset\n");
-
- taal_hw_reset(dssdev);
-
- omapdss_dsi_display_disable(dssdev, true, false);
-err0:
- return r;
-}
-
-static void taal_power_off(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- dsi_disable_video_output(dssdev, td->channel);
-
- r = taal_dcs_write_0(td, MIPI_DCS_SET_DISPLAY_OFF);
- if (!r)
- r = taal_sleep_in(td);
-
- if (r) {
- dev_err(dssdev->dev,
- "error disabling panel, issuing HW reset\n");
- taal_hw_reset(dssdev);
- }
-
- omapdss_dsi_display_disable(dssdev, true, false);
-
- td->enabled = 0;
-}
-
-static int taal_panel_reset(struct omap_dss_device *dssdev)
-{
- dev_err(dssdev->dev, "performing LCD reset\n");
-
- taal_power_off(dssdev);
- taal_hw_reset(dssdev);
- return taal_power_on(dssdev);
-}
-
-static int taal_enable(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- dev_dbg(dssdev->dev, "enable\n");
-
- mutex_lock(&td->lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
- r = -EINVAL;
- goto err;
- }
-
- dsi_bus_lock(dssdev);
-
- r = taal_power_on(dssdev);
-
- dsi_bus_unlock(dssdev);
-
- if (r)
- goto err;
-
- taal_queue_esd_work(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&td->lock);
-
- return 0;
-err:
- dev_dbg(dssdev->dev, "enable failed\n");
- mutex_unlock(&td->lock);
- return r;
-}
-
-static void taal_disable(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- dev_dbg(dssdev->dev, "disable\n");
-
- mutex_lock(&td->lock);
-
- taal_cancel_ulps_work(dssdev);
- taal_cancel_esd_work(dssdev);
-
- dsi_bus_lock(dssdev);
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
- int r;
-
- r = taal_wake_up(dssdev);
- if (!r)
- taal_power_off(dssdev);
- }
-
- dsi_bus_unlock(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&td->lock);
-}
-
-static void taal_framedone_cb(int err, void *data)
-{
- struct omap_dss_device *dssdev = data;
- dev_dbg(dssdev->dev, "framedone, err %d\n", err);
- dsi_bus_unlock(dssdev);
-}
-
-static irqreturn_t taal_te_isr(int irq, void *data)
-{
- struct omap_dss_device *dssdev = data;
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int old;
- int r;
-
- old = atomic_cmpxchg(&td->do_update, 1, 0);
-
- if (old) {
- cancel_delayed_work(&td->te_timeout_work);
-
- r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
- dssdev);
- if (r)
- goto err;
- }
-
- return IRQ_HANDLED;
-err:
- dev_err(dssdev->dev, "start update failed\n");
- dsi_bus_unlock(dssdev);
- return IRQ_HANDLED;
-}
-
-static void taal_te_timeout_work_callback(struct work_struct *work)
-{
- struct taal_data *td = container_of(work, struct taal_data,
- te_timeout_work.work);
- struct omap_dss_device *dssdev = td->dssdev;
-
- dev_err(dssdev->dev, "TE not received for 250ms!\n");
-
- atomic_set(&td->do_update, 0);
- dsi_bus_unlock(dssdev);
-}
-
-static int taal_update(struct omap_dss_device *dssdev,
- u16 x, u16 y, u16 w, u16 h)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- dev_dbg(dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
-
- mutex_lock(&td->lock);
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (r)
- goto err;
-
- if (!td->enabled) {
- r = 0;
- goto err;
- }
-
- /* XXX no need to send this every frame, but dsi break if not done */
- r = taal_set_update_window(td, 0, 0,
- dssdev->panel.timings.x_res,
- dssdev->panel.timings.y_res);
- if (r)
- goto err;
-
- if (td->te_enabled && gpio_is_valid(td->ext_te_gpio)) {
- schedule_delayed_work(&td->te_timeout_work,
- msecs_to_jiffies(250));
- atomic_set(&td->do_update, 1);
- } else {
- r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
- dssdev);
- if (r)
- goto err;
- }
-
- /* note: no bus_unlock here. unlock is in framedone_cb */
- mutex_unlock(&td->lock);
- return 0;
-err:
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
- return r;
-}
-
-static int taal_sync(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- dev_dbg(dssdev->dev, "sync\n");
-
- mutex_lock(&td->lock);
- dsi_bus_lock(dssdev);
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
-
- dev_dbg(dssdev->dev, "sync done\n");
-
- return 0;
-}
-
-static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- if (enable)
- r = taal_dcs_write_1(td, MIPI_DCS_SET_TEAR_ON, 0);
- else
- r = taal_dcs_write_0(td, MIPI_DCS_SET_TEAR_OFF);
-
- if (!gpio_is_valid(td->ext_te_gpio))
- omapdss_dsi_enable_te(dssdev, enable);
-
- /* possible panel bug */
- msleep(100);
-
- return r;
-}
-
-static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&td->lock);
-
- if (td->te_enabled == enable)
- goto end;
-
- dsi_bus_lock(dssdev);
-
- if (td->enabled) {
- r = taal_wake_up(dssdev);
- if (r)
- goto err;
-
- r = _taal_enable_te(dssdev, enable);
- if (r)
- goto err;
- }
-
- td->te_enabled = enable;
-
- dsi_bus_unlock(dssdev);
-end:
- mutex_unlock(&td->lock);
-
- return 0;
-err:
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
-
- return r;
-}
-
-static int taal_get_te(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&td->lock);
- r = td->te_enabled;
- mutex_unlock(&td->lock);
-
- return r;
-}
-
-static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
-{
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
- u8 id1, id2, id3;
- int r;
-
- mutex_lock(&td->lock);
-
- if (!td->enabled) {
- r = -ENODEV;
- goto err1;
- }
-
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (r)
- goto err2;
-
- r = taal_dcs_read_1(td, DCS_GET_ID1, &id1);
- if (r)
- goto err2;
- r = taal_dcs_read_1(td, DCS_GET_ID2, &id2);
- if (r)
- goto err2;
- r = taal_dcs_read_1(td, DCS_GET_ID3, &id3);
- if (r)
- goto err2;
-
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
- return 0;
-err2:
- dsi_bus_unlock(dssdev);
-err1:
- mutex_unlock(&td->lock);
- return r;
-}
-
-static int taal_memory_read(struct omap_dss_device *dssdev,
- void *buf, size_t size,
- u16 x, u16 y, u16 w, u16 h)
-{
- int r;
- int first = 1;
- int plen;
- unsigned buf_used = 0;
- struct taal_data *td = dev_get_drvdata(dssdev->dev);
-
- if (size < w * h * 3)
- return -ENOMEM;
-
- mutex_lock(&td->lock);
-
- if (!td->enabled) {
- r = -ENODEV;
- goto err1;
- }
-
- size = min(w * h * 3,
- dssdev->panel.timings.x_res *
- dssdev->panel.timings.y_res * 3);
-
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (r)
- goto err2;
-
- /* plen 1 or 2 goes into short packet. until checksum error is fixed,
- * use short packets. plen 32 works, but bigger packets seem to cause
- * an error. */
- if (size % 2)
- plen = 1;
- else
- plen = 2;
-
- taal_set_update_window(td, x, y, w, h);
-
- r = dsi_vc_set_max_rx_packet_size(dssdev, td->channel, plen);
- if (r)
- goto err2;
-
- while (buf_used < size) {
- u8 dcs_cmd = first ? 0x2e : 0x3e;
- first = 0;
-
- r = dsi_vc_dcs_read(dssdev, td->channel, dcs_cmd,
- buf + buf_used, size - buf_used);
-
- if (r < 0) {
- dev_err(dssdev->dev, "read error\n");
- goto err3;
- }
-
- buf_used += r;
-
- if (r < plen) {
- dev_err(dssdev->dev, "short read\n");
- break;
- }
-
- if (signal_pending(current)) {
- dev_err(dssdev->dev, "signal pending, "
- "aborting memory read\n");
- r = -ERESTARTSYS;
- goto err3;
- }
- }
-
- r = buf_used;
-
-err3:
- dsi_vc_set_max_rx_packet_size(dssdev, td->channel, 1);
-err2:
- dsi_bus_unlock(dssdev);
-err1:
- mutex_unlock(&td->lock);
- return r;
-}
-
-static void taal_ulps_work(struct work_struct *work)
-{
- struct taal_data *td = container_of(work, struct taal_data,
- ulps_work.work);
- struct omap_dss_device *dssdev = td->dssdev;
-
- mutex_lock(&td->lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || !td->enabled) {
- mutex_unlock(&td->lock);
- return;
- }
-
- dsi_bus_lock(dssdev);
-
- taal_enter_ulps(dssdev);
-
- dsi_bus_unlock(dssdev);
- mutex_unlock(&td->lock);
-}
-
-static void taal_esd_work(struct work_struct *work)
-{
- struct taal_data *td = container_of(work, struct taal_data,
- esd_work.work);
- struct omap_dss_device *dssdev = td->dssdev;
- u8 state1, state2;
- int r;
-
- mutex_lock(&td->lock);
-
- if (!td->enabled) {
- mutex_unlock(&td->lock);
- return;
- }
-
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (r) {
- dev_err(dssdev->dev, "failed to exit ULPS\n");
- goto err;
- }
-
- r = taal_dcs_read_1(td, MIPI_DCS_GET_DIAGNOSTIC_RESULT, &state1);
- if (r) {
- dev_err(dssdev->dev, "failed to read Taal status\n");
- goto err;
- }
-
- /* Run self diagnostics */
- r = taal_sleep_out(td);
- if (r) {
- dev_err(dssdev->dev, "failed to run Taal self-diagnostics\n");
- goto err;
- }
-
- r = taal_dcs_read_1(td, MIPI_DCS_GET_DIAGNOSTIC_RESULT, &state2);
- if (r) {
- dev_err(dssdev->dev, "failed to read Taal status\n");
- goto err;
- }
-
- /* Each sleep out command will trigger a self diagnostic and flip
- * Bit6 if the test passes.
- */
- if (!((state1 ^ state2) & (1 << 6))) {
- dev_err(dssdev->dev, "LCD self diagnostics failed\n");
- goto err;
- }
- /* Self-diagnostics result is also shown on TE GPIO line. We need
- * to re-enable TE after self diagnostics */
- if (td->te_enabled && gpio_is_valid(td->ext_te_gpio)) {
- r = taal_dcs_write_1(td, MIPI_DCS_SET_TEAR_ON, 0);
- if (r)
- goto err;
- }
-
- dsi_bus_unlock(dssdev);
-
- taal_queue_esd_work(dssdev);
-
- mutex_unlock(&td->lock);
- return;
-err:
- dev_err(dssdev->dev, "performing LCD reset\n");
-
- taal_panel_reset(dssdev);
-
- dsi_bus_unlock(dssdev);
-
- taal_queue_esd_work(dssdev);
-
- mutex_unlock(&td->lock);
-}
-
-static struct omap_dss_driver taal_driver = {
- .probe = taal_probe,
- .remove = __exit_p(taal_remove),
-
- .enable = taal_enable,
- .disable = taal_disable,
-
- .update = taal_update,
- .sync = taal_sync,
-
- .get_resolution = taal_get_resolution,
- .get_recommended_bpp = omapdss_default_get_recommended_bpp,
-
- .enable_te = taal_enable_te,
- .get_te = taal_get_te,
-
- .run_test = taal_run_test,
- .memory_read = taal_memory_read,
-
- .driver = {
- .name = "taal",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init taal_init(void)
-{
- omap_dss_register_driver(&taal_driver);
-
- return 0;
-}
-
-static void __exit taal_exit(void)
-{
- omap_dss_unregister_driver(&taal_driver);
-}
-
-module_init(taal_init);
-module_exit(taal_exit);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
-MODULE_DESCRIPTION("Taal Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * TFP410 DPI-to-DVI chip
- *
- * Copyright (C) 2011 Texas Instruments Inc
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <video/omapdss.h>
-#include <linux/i2c.h>
-#include <linux/gpio.h>
-#include <drm/drm_edid.h>
-
-#include <video/omap-panel-data.h>
-
-static const struct omap_video_timings tfp410_default_timings = {
- .x_res = 640,
- .y_res = 480,
-
- .pixel_clock = 23500,
-
- .hfp = 48,
- .hsw = 32,
- .hbp = 80,
-
- .vfp = 3,
- .vsw = 4,
- .vbp = 7,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-struct panel_drv_data {
- struct omap_dss_device *dssdev;
-
- struct mutex lock;
-
- int pd_gpio;
-
- struct i2c_adapter *i2c_adapter;
-};
-
-static int tfp410_power_on(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
- int r;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- if (gpio_is_valid(ddata->pd_gpio))
- gpio_set_value_cansleep(ddata->pd_gpio, 1);
-
- return 0;
-err0:
- return r;
-}
-
-static void tfp410_power_off(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- if (gpio_is_valid(ddata->pd_gpio))
- gpio_set_value_cansleep(ddata->pd_gpio, 0);
-
- omapdss_dpi_display_disable(dssdev);
-}
-
-static int tfp410_probe(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata;
- int r;
- int i2c_bus_num;
-
- ddata = devm_kzalloc(dssdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- dssdev->panel.timings = tfp410_default_timings;
-
- ddata->dssdev = dssdev;
- mutex_init(&ddata->lock);
-
- if (dssdev->data) {
- struct tfp410_platform_data *pdata = dssdev->data;
-
- ddata->pd_gpio = pdata->power_down_gpio;
- i2c_bus_num = pdata->i2c_bus_num;
- } else {
- ddata->pd_gpio = -1;
- i2c_bus_num = -1;
- }
-
- if (gpio_is_valid(ddata->pd_gpio)) {
- r = devm_gpio_request_one(dssdev->dev, ddata->pd_gpio,
- GPIOF_OUT_INIT_LOW, "tfp410 pd");
- if (r) {
- dev_err(dssdev->dev, "Failed to request PD GPIO %d\n",
- ddata->pd_gpio);
- return r;
- }
- }
-
- if (i2c_bus_num != -1) {
- struct i2c_adapter *adapter;
-
- adapter = i2c_get_adapter(i2c_bus_num);
- if (!adapter) {
- dev_err(dssdev->dev, "Failed to get I2C adapter, bus %d\n",
- i2c_bus_num);
- return -EPROBE_DEFER;
- }
-
- ddata->i2c_adapter = adapter;
- }
-
- dev_set_drvdata(dssdev->dev, ddata);
-
- return 0;
-}
-
-static void __exit tfp410_remove(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ddata->lock);
-
- if (ddata->i2c_adapter)
- i2c_put_adapter(ddata->i2c_adapter);
-
- dev_set_drvdata(dssdev->dev, NULL);
-
- mutex_unlock(&ddata->lock);
-}
-
-static int tfp410_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&ddata->lock);
-
- r = tfp410_power_on(dssdev);
- if (r == 0)
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ddata->lock);
-
- return r;
-}
-
-static void tfp410_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ddata->lock);
-
- tfp410_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
- mutex_unlock(&ddata->lock);
-}
-
-static void tfp410_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ddata->lock);
- omapdss_dpi_set_timings(dssdev, timings);
- dssdev->panel.timings = *timings;
- mutex_unlock(&ddata->lock);
-}
-
-static void tfp410_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
-
- mutex_lock(&ddata->lock);
- *timings = dssdev->panel.timings;
- mutex_unlock(&ddata->lock);
-}
-
-static int tfp410_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
- int r;
-
- mutex_lock(&ddata->lock);
- r = dpi_check_timings(dssdev, timings);
- mutex_unlock(&ddata->lock);
-
- return r;
-}
-
-
-static int tfp410_ddc_read(struct i2c_adapter *adapter,
- unsigned char *buf, u16 count, u8 offset)
-{
- int r, retries;
-
- for (retries = 3; retries > 0; retries--) {
- struct i2c_msg msgs[] = {
- {
- .addr = DDC_ADDR,
- .flags = 0,
- .len = 1,
- .buf = &offset,
- }, {
- .addr = DDC_ADDR,
- .flags = I2C_M_RD,
- .len = count,
- .buf = buf,
- }
- };
-
- r = i2c_transfer(adapter, msgs, 2);
- if (r == 2)
- return 0;
-
- if (r != -EAGAIN)
- break;
- }
-
- return r < 0 ? r : -EIO;
-}
-
-static int tfp410_read_edid(struct omap_dss_device *dssdev,
- u8 *edid, int len)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
- int r, l, bytes_read;
-
- mutex_lock(&ddata->lock);
-
- if (!ddata->i2c_adapter) {
- r = -ENODEV;
- goto err;
- }
-
- l = min(EDID_LENGTH, len);
- r = tfp410_ddc_read(ddata->i2c_adapter, edid, l, 0);
- if (r)
- goto err;
-
- bytes_read = l;
-
- /* if there are extensions, read second block */
- if (len > EDID_LENGTH && edid[0x7e] > 0) {
- l = min(EDID_LENGTH, len - EDID_LENGTH);
-
- r = tfp410_ddc_read(ddata->i2c_adapter, edid + EDID_LENGTH,
- l, EDID_LENGTH);
- if (r)
- goto err;
-
- bytes_read += l;
- }
-
- mutex_unlock(&ddata->lock);
-
- return bytes_read;
-
-err:
- mutex_unlock(&ddata->lock);
- return r;
-}
-
-static bool tfp410_detect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
- unsigned char out;
- int r;
-
- mutex_lock(&ddata->lock);
-
- if (!ddata->i2c_adapter)
- goto out;
-
- r = tfp410_ddc_read(ddata->i2c_adapter, &out, 1, 0);
-
- mutex_unlock(&ddata->lock);
-
- return r == 0;
-
-out:
- mutex_unlock(&ddata->lock);
- return true;
-}
-
-static struct omap_dss_driver tfp410_driver = {
- .probe = tfp410_probe,
- .remove = __exit_p(tfp410_remove),
-
- .enable = tfp410_enable,
- .disable = tfp410_disable,
-
- .set_timings = tfp410_set_timings,
- .get_timings = tfp410_get_timings,
- .check_timings = tfp410_check_timings,
-
- .read_edid = tfp410_read_edid,
- .detect = tfp410_detect,
-
- .driver = {
- .name = "tfp410",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init tfp410_init(void)
-{
- return omap_dss_register_driver(&tfp410_driver);
-}
-
-static void __exit tfp410_exit(void)
-{
- omap_dss_unregister_driver(&tfp410_driver);
-}
-
-module_init(tfp410_init);
-module_exit(tfp410_exit);
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * LCD panel driver for TPO TD043MTEA1
- *
- * Author: GraÅžvydas Ignotas <notasas@gmail.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.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/regulator/consumer.h>
-#include <linux/gpio.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-#define TPO_R02_MODE(x) ((x) & 7)
-#define TPO_R02_MODE_800x480 7
-#define TPO_R02_NCLK_RISING BIT(3)
-#define TPO_R02_HSYNC_HIGH BIT(4)
-#define TPO_R02_VSYNC_HIGH BIT(5)
-
-#define TPO_R03_NSTANDBY BIT(0)
-#define TPO_R03_EN_CP_CLK BIT(1)
-#define TPO_R03_EN_VGL_PUMP BIT(2)
-#define TPO_R03_EN_PWM BIT(3)
-#define TPO_R03_DRIVING_CAP_100 BIT(4)
-#define TPO_R03_EN_PRE_CHARGE BIT(6)
-#define TPO_R03_SOFTWARE_CTL BIT(7)
-
-#define TPO_R04_NFLIP_H BIT(0)
-#define TPO_R04_NFLIP_V BIT(1)
-#define TPO_R04_CP_CLK_FREQ_1H BIT(2)
-#define TPO_R04_VGL_FREQ_1H BIT(4)
-
-#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
- TPO_R03_EN_VGL_PUMP | TPO_R03_EN_PWM | \
- TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
- TPO_R03_SOFTWARE_CTL)
-
-#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
- TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
-
-static const u16 tpo_td043_def_gamma[12] = {
- 105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
-};
-
-struct tpo_td043_device {
- struct spi_device *spi;
- struct regulator *vcc_reg;
- int nreset_gpio;
- u16 gamma[12];
- u32 mode;
- u32 hmirror:1;
- u32 vmirror:1;
- u32 powered_on:1;
- u32 spi_suspended:1;
- u32 power_on_resume:1;
-};
-
-/* used to pass spi_device from SPI to DSS portion of the driver */
-static struct tpo_td043_device *g_tpo_td043;
-
-static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
-{
- struct spi_message m;
- struct spi_transfer xfer;
- u16 w;
- int r;
-
- spi_message_init(&m);
-
- memset(&xfer, 0, sizeof(xfer));
-
- w = ((u16)addr << 10) | (1 << 8) | data;
- xfer.tx_buf = &w;
- xfer.bits_per_word = 16;
- xfer.len = 2;
- spi_message_add_tail(&xfer, &m);
-
- r = spi_sync(spi, &m);
- if (r < 0)
- dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
- return r;
-}
-
-static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
-{
- u8 i, val;
-
- /* gamma bits [9:8] */
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x11, val);
-
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x12, val);
-
- for (val = i = 0; i < 4; i++)
- val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
- tpo_td043_write(spi, 0x13, val);
-
- /* gamma bits [7:0] */
- for (val = i = 0; i < 12; i++)
- tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
-}
-
-static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
-{
- u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V | \
- TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
- if (h)
- reg4 &= ~TPO_R04_NFLIP_H;
- if (v)
- reg4 &= ~TPO_R04_NFLIP_V;
-
- return tpo_td043_write(spi, 4, reg4);
-}
-
-static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
- tpo_td043->hmirror = enable;
- return tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
- tpo_td043->vmirror);
-}
-
-static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
- return tpo_td043->hmirror;
-}
-
-static ssize_t tpo_td043_vmirror_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->vmirror);
-}
-
-static ssize_t tpo_td043_vmirror_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
- int val;
- int ret;
-
- ret = kstrtoint(buf, 0, &val);
- if (ret < 0)
- return ret;
-
- val = !!val;
-
- ret = tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror, val);
- if (ret < 0)
- return ret;
-
- tpo_td043->vmirror = val;
-
- return count;
-}
-
-static ssize_t tpo_td043_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->mode);
-}
-
-static ssize_t tpo_td043_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
- long val;
- int ret;
-
- ret = kstrtol(buf, 0, &val);
- if (ret != 0 || val & ~7)
- return -EINVAL;
-
- tpo_td043->mode = val;
-
- val |= TPO_R02_NCLK_RISING;
- tpo_td043_write(tpo_td043->spi, 2, val);
-
- return count;
-}
-
-static ssize_t tpo_td043_gamma_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
- ssize_t len = 0;
- int ret;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tpo_td043->gamma); i++) {
- ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
- tpo_td043->gamma[i]);
- if (ret < 0)
- return ret;
- len += ret;
- }
- buf[len - 1] = '\n';
-
- return len;
-}
-
-static ssize_t tpo_td043_gamma_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
- unsigned int g[12];
- int ret;
- int i;
-
- ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
- &g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
- &g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
-
- if (ret != 12)
- return -EINVAL;
-
- for (i = 0; i < 12; i++)
- tpo_td043->gamma[i] = g[i];
-
- tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
-
- return count;
-}
-
-static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
- tpo_td043_vmirror_show, tpo_td043_vmirror_store);
-static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
- tpo_td043_mode_show, tpo_td043_mode_store);
-static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
- tpo_td043_gamma_show, tpo_td043_gamma_store);
-
-static struct attribute *tpo_td043_attrs[] = {
- &dev_attr_vmirror.attr,
- &dev_attr_mode.attr,
- &dev_attr_gamma.attr,
- NULL,
-};
-
-static struct attribute_group tpo_td043_attr_group = {
- .attrs = tpo_td043_attrs,
-};
-
-static const struct omap_video_timings tpo_td043_timings = {
- .x_res = 800,
- .y_res = 480,
-
- .pixel_clock = 36000,
-
- .hsw = 1,
- .hfp = 68,
- .hbp = 214,
-
- .vsw = 1,
- .vfp = 39,
- .vbp = 34,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
-};
-
-static inline struct panel_tpo_td043_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
- return (struct panel_tpo_td043_data *) dssdev->data;
-}
-
-static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
-{
- int r;
-
- if (tpo_td043->powered_on)
- return 0;
-
- r = regulator_enable(tpo_td043->vcc_reg);
- if (r != 0)
- return r;
-
- /* wait for panel to stabilize */
- msleep(160);
-
- if (gpio_is_valid(tpo_td043->nreset_gpio))
- gpio_set_value(tpo_td043->nreset_gpio, 1);
-
- tpo_td043_write(tpo_td043->spi, 2,
- TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
- tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
- tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
- tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
- tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
- tpo_td043->vmirror);
- tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
-
- tpo_td043->powered_on = 1;
- return 0;
-}
-
-static void tpo_td043_power_off(struct tpo_td043_device *tpo_td043)
-{
- if (!tpo_td043->powered_on)
- return;
-
- tpo_td043_write(tpo_td043->spi, 3,
- TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
-
- if (gpio_is_valid(tpo_td043->nreset_gpio))
- gpio_set_value(tpo_td043->nreset_gpio, 0);
-
- /* wait for at least 2 vsyncs before cutting off power */
- msleep(50);
-
- tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY);
-
- regulator_disable(tpo_td043->vcc_reg);
-
- tpo_td043->powered_on = 0;
-}
-
-static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
- int r;
-
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
- return 0;
-
- omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
- omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
-
- r = omapdss_dpi_display_enable(dssdev);
- if (r)
- goto err0;
-
- /*
- * If we are resuming from system suspend, SPI clocks might not be
- * enabled yet, so we'll program the LCD from SPI PM resume callback.
- */
- if (!tpo_td043->spi_suspended) {
- r = tpo_td043_power_on(tpo_td043);
- if (r)
- goto err1;
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-err1:
- omapdss_dpi_display_disable(dssdev);
-err0:
- return r;
-}
-
-static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
- return;
-
- omapdss_dpi_display_disable(dssdev);
-
- if (!tpo_td043->spi_suspended)
- tpo_td043_power_off(tpo_td043);
-}
-
-static int tpo_td043_enable(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "enable\n");
-
- return tpo_td043_enable_dss(dssdev);
-}
-
-static void tpo_td043_disable(struct omap_dss_device *dssdev)
-{
- dev_dbg(dssdev->dev, "disable\n");
-
- tpo_td043_disable_dss(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static int tpo_td043_probe(struct omap_dss_device *dssdev)
-{
- struct tpo_td043_device *tpo_td043 = g_tpo_td043;
- struct panel_tpo_td043_data *pdata = get_panel_data(dssdev);
- int ret = 0;
-
- dev_dbg(dssdev->dev, "probe\n");
-
- if (tpo_td043 == NULL) {
- dev_err(dssdev->dev, "missing tpo_td043_device\n");
- return -ENODEV;
- }
-
- if (!pdata)
- return -EINVAL;
-
- tpo_td043->nreset_gpio = pdata->nreset_gpio;
-
- dssdev->panel.timings = tpo_td043_timings;
- dssdev->ctrl.pixel_size = 24;
-
- tpo_td043->mode = TPO_R02_MODE_800x480;
- memcpy(tpo_td043->gamma, tpo_td043_def_gamma, sizeof(tpo_td043->gamma));
-
- tpo_td043->vcc_reg = regulator_get(dssdev->dev, "vcc");
- if (IS_ERR(tpo_td043->vcc_reg)) {
- dev_err(dssdev->dev, "failed to get LCD VCC regulator\n");
- ret = PTR_ERR(tpo_td043->vcc_reg);
- goto fail_regulator;
- }
-
- if (gpio_is_valid(tpo_td043->nreset_gpio)) {
- ret = devm_gpio_request_one(dssdev->dev,
- tpo_td043->nreset_gpio, GPIOF_OUT_INIT_LOW,
- "lcd reset");
- if (ret < 0) {
- dev_err(dssdev->dev, "couldn't request reset GPIO\n");
- goto fail_gpio_req;
- }
- }
-
- ret = sysfs_create_group(&dssdev->dev->kobj, &tpo_td043_attr_group);
- if (ret)
- dev_warn(dssdev->dev, "failed to create sysfs files\n");
-
- dev_set_drvdata(dssdev->dev, tpo_td043);
-
- return 0;
-
-fail_gpio_req:
- regulator_put(tpo_td043->vcc_reg);
-fail_regulator:
- kfree(tpo_td043);
- return ret;
-}
-
-static void tpo_td043_remove(struct omap_dss_device *dssdev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dssdev->dev);
-
- dev_dbg(dssdev->dev, "remove\n");
-
- sysfs_remove_group(&dssdev->dev->kobj, &tpo_td043_attr_group);
- regulator_put(tpo_td043->vcc_reg);
-}
-
-static void tpo_td043_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- omapdss_dpi_set_timings(dssdev, timings);
-
- dssdev->panel.timings = *timings;
-}
-
-static int tpo_td043_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- return dpi_check_timings(dssdev, timings);
-}
-
-static struct omap_dss_driver tpo_td043_driver = {
- .probe = tpo_td043_probe,
- .remove = tpo_td043_remove,
-
- .enable = tpo_td043_enable,
- .disable = tpo_td043_disable,
- .set_mirror = tpo_td043_set_hmirror,
- .get_mirror = tpo_td043_get_hmirror,
-
- .set_timings = tpo_td043_set_timings,
- .check_timings = tpo_td043_check_timings,
-
- .driver = {
- .name = "tpo_td043mtea1_panel",
- .owner = THIS_MODULE,
- },
-};
-
-static int tpo_td043_spi_probe(struct spi_device *spi)
-{
- struct omap_dss_device *dssdev = spi->dev.platform_data;
- struct tpo_td043_device *tpo_td043;
- int ret;
-
- if (dssdev == NULL) {
- dev_err(&spi->dev, "missing dssdev\n");
- return -ENODEV;
- }
-
- if (g_tpo_td043 != NULL)
- return -EBUSY;
-
- spi->bits_per_word = 16;
- spi->mode = SPI_MODE_0;
-
- ret = spi_setup(spi);
- if (ret < 0) {
- dev_err(&spi->dev, "spi_setup failed: %d\n", ret);
- return ret;
- }
-
- tpo_td043 = kzalloc(sizeof(*tpo_td043), GFP_KERNEL);
- if (tpo_td043 == NULL)
- return -ENOMEM;
-
- tpo_td043->spi = spi;
- dev_set_drvdata(&spi->dev, tpo_td043);
- g_tpo_td043 = tpo_td043;
-
- omap_dss_register_driver(&tpo_td043_driver);
-
- return 0;
-}
-
-static int tpo_td043_spi_remove(struct spi_device *spi)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&spi->dev);
-
- omap_dss_unregister_driver(&tpo_td043_driver);
- kfree(tpo_td043);
- g_tpo_td043 = NULL;
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int tpo_td043_spi_suspend(struct device *dev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
-
- dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", tpo_td043);
-
- tpo_td043->power_on_resume = tpo_td043->powered_on;
- tpo_td043_power_off(tpo_td043);
- tpo_td043->spi_suspended = 1;
-
- return 0;
-}
-
-static int tpo_td043_spi_resume(struct device *dev)
-{
- struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
- int ret;
-
- dev_dbg(dev, "tpo_td043_spi_resume\n");
-
- if (tpo_td043->power_on_resume) {
- ret = tpo_td043_power_on(tpo_td043);
- if (ret)
- return ret;
- }
- tpo_td043->spi_suspended = 0;
-
- return 0;
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
- tpo_td043_spi_suspend, tpo_td043_spi_resume);
-
-static struct spi_driver tpo_td043_spi_driver = {
- .driver = {
- .name = "tpo_td043mtea1_panel_spi",
- .owner = THIS_MODULE,
- .pm = &tpo_td043_spi_pm,
- },
- .probe = tpo_td043_spi_probe,
- .remove = tpo_td043_spi_remove,
-};
-
-module_spi_driver(tpo_td043_spi_driver);
-
-MODULE_AUTHOR("GraÅžvydas Ignotas <notasas@gmail.com>");
-MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
-MODULE_LICENSE("GPL");
struct omap_dss_device;
-/**
- * struct panel_generic_dpi_data - panel driver configuration data
- * @name: panel name
- * @platform_enable: platform specific panel enable function
- * @platform_disable: platform specific panel disable function
- * @num_gpios: number of gpios connected to panel
- * @gpios: gpio numbers on the platform
- * @gpio_invert: configure gpio as active high or low
- */
-struct panel_generic_dpi_data {
- const char *name;
- int (*platform_enable)(struct omap_dss_device *dssdev);
- void (*platform_disable)(struct omap_dss_device *dssdev);
-
- int num_gpios;
- int gpios[10];
- bool gpio_invert[10];
-};
-
-/**
- * struct panel_n8x0_data - N800 panel driver configuration data
- */
-struct panel_n8x0_data {
- int (*platform_enable)(struct omap_dss_device *dssdev);
- void (*platform_disable)(struct omap_dss_device *dssdev);
- int panel_reset;
- int ctrl_pwrdown;
-};
-
-/**
- * struct nokia_dsi_panel_data - Nokia DSI panel driver configuration data
- * @name: panel name
- * @use_ext_te: use external TE
- * @ext_te_gpio: external TE GPIO
- * @esd_interval: interval of ESD checks, 0 = disabled (ms)
- * @ulps_timeout: time to wait before entering ULPS, 0 = disabled (ms)
- * @use_dsi_backlight: true if panel uses DSI command to control backlight
- * @pin_config: DSI pin configuration
- */
-
-struct nokia_dsi_panel_data {
- const char *name;
-
- int reset_gpio;
-
- bool use_ext_te;
- int ext_te_gpio;
-
- unsigned esd_interval;
- unsigned ulps_timeout;
-
- bool use_dsi_backlight;
-
- struct omap_dsi_pin_config pin_config;
-};
-
-/**
- * struct picodlp_panel_data - picodlp panel driver configuration data
- * @picodlp_adapter_id: i2c_adapter number for picodlp
- */
-struct picodlp_panel_data {
- int picodlp_adapter_id;
- int emu_done_gpio;
- int pwrgood_gpio;
-};
-
-/**
- * struct tfp410_platform_data - tfp410 panel driver configuration data
- * @i2c_bus_num: i2c bus id for the panel
- * @power_down_gpio: gpio number for PD pin (or -1 if not available)
- */
-struct tfp410_platform_data {
- int i2c_bus_num;
- int power_down_gpio;
-};
-
-/**
- * sharp ls panel driver configuration data
- * @resb_gpio: reset signal
- * @ini_gpio: power on control
- * @mo_gpio: selection for resolution(VGA/QVGA)
- * @lr_gpio: selection for horizontal scanning direction
- * @ud_gpio: selection for vertical scanning direction
- */
-struct panel_sharp_ls037v7dw01_data {
- int resb_gpio;
- int ini_gpio;
- int mo_gpio;
- int lr_gpio;
- int ud_gpio;
-};
-
-/**
- * acx565akm panel driver configuration data
- * @reset_gpio: reset signal
- */
-struct panel_acx565akm_data {
- int reset_gpio;
-};
-
-/**
- * nec nl8048 panel driver configuration data
- * @res_gpio: reset signal
- * @qvga_gpio: selection for resolution(QVGA/WVGA)
- */
-struct panel_nec_nl8048_data {
- int res_gpio;
- int qvga_gpio;
-};
-
-/**
- * tpo td043 panel driver configuration data
- * @nreset_gpio: reset signal
- */
-struct panel_tpo_td043_data {
- int nreset_gpio;
-};
-
/**
* encoder_tfp410 platform data
* @name: name for this display entity
projects / firefly-linux-kernel-4.4.55.git / commitdiff