This patch introduces support for the HTC Herald (T-Mobile
Wing, etc.) series of smart phones -- board support and LCD
panel settings.
Signed-off-by: Cory Maccarrone <darkstar6262@xxxxxxxxx>
---
arch/arm/mach-omap1/board-htcherald.c | 246 +++++++++++++++++++++++++++++++++
drivers/video/omap/lcd_htcherald.c | 129 +++++++++++++++++
2 files changed, 375 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap1/board-htcherald.c
create mode 100644 drivers/video/omap/lcd_htcherald.c
diff --git a/arch/arm/mach-omap1/board-htcherald.c
b/arch/arm/mach-omap1/board-htcherald.c
new file mode 100644
index 0000000..e21cf9a
--- /dev/null
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -0,0 +1,246 @@
+/*
+ * HTC Herald board configuration
+ * Copyright (C) 2009 Cory Maccarrone <darkstar6262@xxxxxxxxx>
+ * Copyright (C) 2009 Wing Linux
+ *
+ * Based on the board-htcwizard.c file from the linwizard project:
+ * Copyright (C) 2006 Unai Uribarri
+ * Copyright (C) 2008 linwizard.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/bootmem.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/omap7xx.h>
+#include <asm/page.h>
+#include <asm/memory.h>
+#include <mach/common.h>
+#include <mach/board.h>
+
+#include <mach/io.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/keypad.h>
+
+#include <linux/delay.h>
+
+/* LCD register definition */
+#define OMAP_LCDC_CONTROL (0xfffec000 + 0x00)
+#define OMAP_LCDC_STATUS (0xfffec000 + 0x10)
+#define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2)
+#define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4)
+#define OMAP_LCDC_CTRL_LCD_EN (1 << 0)
+#define OMAP_LCDC_STAT_DONE (1 << 0)
+
+static struct omap_lcd_config htcherald_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
+static struct omap_board_config_kernel htcherald_config[] __initdata =
+{
+ { OMAP_TAG_LCD, &htcherald_lcd_config },
+};
+
+/* Keyboard definition */
+
+static int htc_herald_keymap[] = {
+ KEY(0,0,KEY_RECORD), /* Mail button */
+ KEY(0,1,KEY_CAMERA), /* Camera */
+ KEY(0,2,KEY_PHONE), /* Send key */
+ KEY(0,3,KEY_VOLUMEUP), /* Volume up */
+ KEY(0,4,KEY_F2), /* Right bar (landscape) */
+ KEY(0,5,KEY_MAIL), /* Win key (portrait) */
+ KEY(0,6,KEY_DIRECTORY), /* Right bar (protrait) */
+ KEY(1,0,KEY_LEFTCTRL), /* Windows key */
+ KEY(1,1,KEY_COMMA),
+ KEY(1,2,KEY_M),
+ KEY(1,3,KEY_K),
+ KEY(1,4,KEY_SLASH), /* OK key */
+ KEY(1,5,KEY_I),
+ KEY(1,6,KEY_U),
+ KEY(2,0,KEY_LEFTALT),
+ KEY(2,1,KEY_TAB),
+ KEY(2,2,KEY_N),
+ KEY(2,3,KEY_J),
+ KEY(2,4,KEY_ENTER),
+ KEY(2,5,KEY_H),
+ KEY(2,6,KEY_Y),
+ KEY(3,0,KEY_SPACE),
+ KEY(3,1,KEY_L),
+ KEY(3,2,KEY_B),
+ KEY(3,3,KEY_V),
+ KEY(3,4,KEY_BACKSPACE),
+ KEY(3,5,KEY_G),
+ KEY(3,6,KEY_T),
+ KEY(4,0,KEY_CAPSLOCK), /* Shift */
+ KEY(4,1,KEY_C),
+ KEY(4,2,KEY_F),
+ KEY(4,3,KEY_R),
+ KEY(4,4,KEY_O),
+ KEY(4,5,KEY_E),
+ KEY(4,6,KEY_D),
+ KEY(5,0,KEY_X),
+ KEY(5,1,KEY_Z),
+ KEY(5,2,KEY_S),
+ KEY(5,3,KEY_W),
+ KEY(5,4,KEY_P),
+ KEY(5,5,KEY_Q),
+ KEY(5,6,KEY_A),
+ KEY(6,0,KEY_CONNECT), /* Voice button */
+ KEY(6,2,KEY_CANCEL), /* End key */
+ KEY(6,3,KEY_VOLUMEDOWN), /* Volume down */
+ KEY(6,4,KEY_F1), /* Left bar (landscape) */
+ KEY(6,5,KEY_WWW), /* OK button (portrait) */
+ KEY(6,6,KEY_CALENDAR), /* Left bar (portrait) */
+ 0
+};
+
+struct omap_kp_platform_data htcherald_kp_data = {
+ .rows = 7,
+ .cols = 7,
+ .delay = 20,
+ .rep = 1,
+ .keymap = htc_herald_keymap,
+};
+
+static struct resource kp_resources[] = {
+ [0] = {
+ .start = INT_7XX_MPUIO_KEYPAD,
+ .end = INT_7XX_MPUIO_KEYPAD,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kp_device = {
+ .name = "omap-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &htcherald_kp_data,
+ },
+ .num_resources = ARRAY_SIZE(kp_resources),
+ .resource = kp_resources,
+};
+
+/* LCD Device resources */
+static struct platform_device lcd_device = {
+ .name = "lcd_htcherald",
+ .id = -1,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &kp_device,
+ &lcd_device,
+};
+
+/*
+ * Init functions from here on
+ */
+
+static void __init htcherald_lcd_init(void)
+{
+ u32 reg;
+ unsigned int tries = 200;
+
+ /* disable controller if active */
+ reg = omap_readl(OMAP_LCDC_CONTROL);
+ if (reg & OMAP_LCDC_CTRL_LCD_EN) {
+ reg &= ~OMAP_LCDC_CTRL_LCD_EN;
+ omap_writel(reg, OMAP_LCDC_CONTROL);
+
+ /* wait for end of frame */
+ while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE) && --tries);
+ if (!tries) {
+ printk(KERN_WARNING "Timeout waiting for end of frame -- LCD may
not be available\n");
+ }
+
+ /* turn off DMA */
+ reg = omap_readw(OMAP_DMA_LCD_CCR);
+ reg &= ~(1 << 7);
+ omap_writew(reg, OMAP_DMA_LCD_CCR);
+
+ reg = omap_readw(OMAP_DMA_LCD_CTRL);
+ reg &= ~(1 << 8);
+ omap_writew(reg, OMAP_DMA_LCD_CTRL);
+ }
+}
+
+static void __init htcherald_map_io(void)
+{
+ omap1_map_common_io();
+
+ /*
+ * The LCD panel must be disabled and DMA turned off here, as doing
+ * it later causes the LCD never to reinitialize.
+ */
+ htcherald_lcd_init();
+
+ printk(KERN_INFO "htcherald_map_io done.\n");
+}
+
+static void __init htcherald_disable_watchdog(void)
+{
+ /* Disable watchdog if running */
+ if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) {
+ /*
+ * disable a potentially running watchdog timer before
+ * it kills us.
+ */
+ printk(KERN_WARNING "OMAP850 Watchdog seems to be activated,
disabling it for now.\n");
+ omap_writel(0xF5, OMAP_WDT_TIMER_MODE);
+ omap_writel(0xA0, OMAP_WDT_TIMER_MODE);
+ }
+}
+
+static void __init htcherald_init(void)
+{
+ printk(KERN_INFO "HTC Herald init.\n");
+
+ omap_gpio_init();
+
+ omap_board_config = htcherald_config;
+ omap_board_config_size = ARRAY_SIZE(htcherald_config);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ htcherald_disable_watchdog();
+}
+
+static void __init htcherald_init_irq(void)
+{
+ printk(KERN_INFO "htcherald_init_irq.\n");
+ omap1_init_common_hw();
+ omap_init_irq();
+}
+
+MACHINE_START(HERALD, "HTC Herald")
+ /* Maintainer: Cory Maccarrone <darkstar6262@xxxxxxxxx> */
+ /* Maintainer: wing-linux.sourceforge.net */
+ .phys_io = 0xfff00000,
+ .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+ .boot_params = 0x10000100,
+ .map_io = htcherald_map_io,
+ .init_irq = htcherald_init_irq,
+ .init_machine = htcherald_init,
+ .timer = &omap_timer,
+MACHINE_END
diff --git a/drivers/video/omap/lcd_htcherald.c
b/drivers/video/omap/lcd_htcherald.c
new file mode 100644
index 0000000..c203f92
--- /dev/null
+++ b/drivers/video/omap/lcd_htcherald.c
@@ -0,0 +1,129 @@
+/*
+ * File: drivers/video/omap/lcd-htcherald.c
+ *
+ * LCD panel support for the HTC Herald
+ *
+ * Copyright (C) 2009 Cory Maccarrone <darkstar6262@xxxxxxxxx>
+ * Copyright (C) 2009 Wing Linux
+ *
+ * Based on the lcd_htcwizard.c file from the linwizard project:
+ * Copyright (C) linwizard.sourceforge.net
+ * Author: Angelo Arrifano <miknix@xxxxxxxxx>
+ * Based on lcd_h4 by Imre Deak <imre.deak@xxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <mach/omapfb.h>
+
+static int htcherald_panel_init(struct lcd_panel *panel,
+ struct omapfb_device *fbdev)
+{
+ return 0;
+}
+
+static void htcherald_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int htcherald_panel_enable(struct lcd_panel *panel)
+{
+ return 0;
+}
+
+static void htcherald_panel_disable(struct lcd_panel *panel)
+{
+}
+
+static unsigned long htcherald_panel_get_caps(struct lcd_panel *panel)
+{
+ return 0;
+}
+
+/* Found on WIZ200 (miknix) and some HERA110 models (darkstar62) */
+struct lcd_panel htcherald_panel_1 = {
+ .name = "lcd_herald",
+ .config = OMAP_LCDC_PANEL_TFT |
+ OMAP_LCDC_INV_HSYNC |
+ OMAP_LCDC_INV_VSYNC |
+ OMAP_LCDC_INV_PIX_CLOCK,
+ .bpp = 16,
+ .data_lines = 16,
+ .x_res = 240,
+ .y_res = 320,
+ .pixel_clock = 6093,
+ .pcd = 0, /* 15 */
+ .hsw = 10,
+ .hfp = 10,
+ .hbp = 20,
+ .vsw = 3,
+ .vfp = 2,
+ .vbp = 2,
+
+ .init = htcherald_panel_init,
+ .cleanup = htcherald_panel_cleanup,
+ .enable = htcherald_panel_enable,
+ .disable = htcherald_panel_disable,
+ .get_caps = htcherald_panel_get_caps,
+};
+
+static int htcherald_panel_probe(struct platform_device *pdev)
+{
+ omapfb_register_panel(&htcherald_panel_1);
+ return 0;
+}
+
+static int htcherald_panel_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int htcherald_panel_suspend(struct platform_device *pdev,
pm_message_t mesg)
+{
+ return 0;
+}
+
+static int htcherald_panel_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+struct platform_driver htcherald_panel_driver = {
+ .probe = htcherald_panel_probe,
+ .remove = htcherald_panel_remove,
+ .suspend = htcherald_panel_suspend,
+ .resume = htcherald_panel_resume,
+ .driver = {
+ .name = "lcd_htcherald",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int htcherald_panel_drv_init(void)
+{
+ return platform_driver_register(&htcherald_panel_driver);
+}
+
+static void htcherald_panel_drv_cleanup(void)
+{
+ platform_driver_unregister(&htcherald_panel_driver);
+}
+
+module_init(htcherald_panel_drv_init);
+module_exit(htcherald_panel_drv_cleanup);
+
--
1.5.6.3
On Sun, Oct 4, 2009 at 2:05 PM, Cory Maccarrone <darkstar6262@xxxxxxxxx> wrote:
> After doing more testing, it seems that putting the LCD disable code
> in lcd_htcherald.c is too late in the bootup -- it only worked
> intermittently at best, failing to work most of the time.
>
> As such, I've moved that code back into the board file and call it
> just after omap1_map_common_io(). With this in place, the framebuffer
> is reliably enabled.
>
> This should hopefully be the last revision of this patch I make --
> sorry for all the patch spam.
>
> - Cory
>
> On Sun, Oct 4, 2009 at 10:33 AM, Cory Maccarrone <darkstar6262@xxxxxxxxx> wrote:
>> This patch introduces support for the HTC Herald (T-Mobile
>> Wing, etc.) series of smart phones -- board support and LCD
>> panel settings.
>>
>> Signed-off-by: Cory Maccarrone <darkstar6262@xxxxxxxxx>
>> ---
>> arch/arm/mach-omap1/board-htcherald.c | 203 +++++++++++++++++++++++++++++++++
>> drivers/video/omap/lcd_htcherald.c | 164 ++++++++++++++++++++++++++
>> 2 files changed, 367 insertions(+), 0 deletions(-)
>> create mode 100644 arch/arm/mach-omap1/board-htcherald.c
>> create mode 100644 drivers/video/omap/lcd_htcherald.c
>>
>> diff --git a/arch/arm/mach-omap1/board-htcherald.c
>> b/arch/arm/mach-omap1/board-htcherald.c
>> new file mode 100644
>> index 0000000..93f8903
>> --- /dev/null
>> +++ b/arch/arm/mach-omap1/board-htcherald.c
>> @@ -0,0 +1,203 @@
>> +/*
>> + * HTC Herald board configuration
>> + * Copyright (C) 2009 Cory Maccarrone <darkstar6262@xxxxxxxxx>
>> + * Copyright (C) 2009 Wing Linux
>> + *
>> + * Based on the board-htcwizard.c file from the linwizard project:
>> + * Copyright (C) 2006 Unai Uribarri
>> + * Copyright (C) 2008 linwizard.sourceforge.net
>> + *
>> + * This program is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License as
>> + * published by the Free Software Foundation; either version 2 of the
>> + * License, or (at your option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful, but
>> + * WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> + * General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License
>> + * along with this program; if not, write to the Free Software
>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
>> + * 02110-1301, USA.
>> + *
>> + */
>> +
>> +#include <linux/kernel.h>
>> +#include <linux/init.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/input.h>
>> +#include <linux/bootmem.h>
>> +
>> +#include <asm/mach-types.h>
>> +#include <asm/mach/arch.h>
>> +#include <asm/mach/map.h>
>> +#include <mach/omap7xx.h>
>> +#include <asm/page.h>
>> +#include <asm/memory.h>
>> +#include <mach/common.h>
>> +#include <mach/board.h>
>> +
>> +#include <mach/io.h>
>> +#include <mach/irqs.h>
>> +#include <mach/gpio.h>
>> +#include <mach/keypad.h>
>> +
>> +#include <linux/delay.h>
>> +
>> +static struct omap_lcd_config htcherald_lcd_config __initdata = {
>> + .ctrl_name = "internal",
>> +};
>> +
>> +static struct omap_board_config_kernel htcherald_config[] __initdata =
>> +{
>> + { OMAP_TAG_LCD, &htcherald_lcd_config },
>> +};
>> +
>> +/* Keyboard definition */
>> +
>> +static int htc_herald_keymap[] = {
>> + KEY(0,0,KEY_RECORD), /* Mail button */
>> + KEY(0,1,KEY_CAMERA), /* Camera */
>> + KEY(0,2,KEY_PHONE), /* Send key */
>> + KEY(0,3,KEY_VOLUMEUP), /* Volume up */
>> + KEY(0,4,KEY_F2), /* Right bar (landscape) */
>> + KEY(0,5,KEY_MAIL), /* Win key (portrait) */
>> + KEY(0,6,KEY_DIRECTORY), /* Right bar (protrait) */
>> + KEY(1,0,KEY_LEFTCTRL), /* Windows key */
>> + KEY(1,1,KEY_COMMA),
>> + KEY(1,2,KEY_M),
>> + KEY(1,3,KEY_K),
>> + KEY(1,4,KEY_SLASH), /* OK key */
>> + KEY(1,5,KEY_I),
>> + KEY(1,6,KEY_U),
>> + KEY(2,0,KEY_LEFTALT),
>> + KEY(2,1,KEY_TAB),
>> + KEY(2,2,KEY_N),
>> + KEY(2,3,KEY_J),
>> + KEY(2,4,KEY_ENTER),
>> + KEY(2,5,KEY_H),
>> + KEY(2,6,KEY_Y),
>> + KEY(3,0,KEY_SPACE),
>> + KEY(3,1,KEY_L),
>> + KEY(3,2,KEY_B),
>> + KEY(3,3,KEY_V),
>> + KEY(3,4,KEY_BACKSPACE),
>> + KEY(3,5,KEY_G),
>> + KEY(3,6,KEY_T),
>> + KEY(4,0,KEY_CAPSLOCK), /* Shift */
>> + KEY(4,1,KEY_C),
>> + KEY(4,2,KEY_F),
>> + KEY(4,3,KEY_R),
>> + KEY(4,4,KEY_O),
>> + KEY(4,5,KEY_E),
>> + KEY(4,6,KEY_D),
>> + KEY(5,0,KEY_X),
>> + KEY(5,1,KEY_Z),
>> + KEY(5,2,KEY_S),
>> + KEY(5,3,KEY_W),
>> + KEY(5,4,KEY_P),
>> + KEY(5,5,KEY_Q),
>> + KEY(5,6,KEY_A),
>> + KEY(6,0,KEY_CONNECT), /* Voice button */
>> + KEY(6,2,KEY_CANCEL), /* End key */
>> + KEY(6,3,KEY_VOLUMEDOWN), /* Volume down */
>> + KEY(6,4,KEY_F1), /* Left bar (landscape) */
>> + KEY(6,5,KEY_WWW), /* OK button (portrait) */
>> + KEY(6,6,KEY_CALENDAR), /* Left bar (portrait) */
>> + 0
>> +};
>> +
>> +struct omap_kp_platform_data htcherald_kp_data = {
>> + .rows = 7,
>> + .cols = 7,
>> + .delay = 20,
>> + .rep = 1,
>> + .keymap = htc_herald_keymap,
>> +};
>> +
>> +static struct resource kp_resources[] = {
>> + [0] = {
>> + .start = INT_7XX_MPUIO_KEYPAD,
>> + .end = INT_7XX_MPUIO_KEYPAD,
>> + .flags = IORESOURCE_IRQ,
>> + },
>> +};
>> +
>> +static struct platform_device kp_device = {
>> + .name = "omap-keypad",
>> + .id = -1,
>> + .dev = {
>> + .platform_data = &htcherald_kp_data,
>> + },
>> + .num_resources = ARRAY_SIZE(kp_resources),
>> + .resource = kp_resources,
>> +};
>> +
>> +/* LCD Device resources */
>> +static struct platform_device lcd_device = {
>> + .name = "lcd_htcherald",
>> + .id = -1,
>> +};
>> +
>> +static struct platform_device *devices[] __initdata = {
>> + &kp_device,
>> + &lcd_device,
>> +};
>> +
>> +/*
>> + * Init functions from here on
>> + */
>> +
>> +static void __init htcherald_map_io(void)
>> +{
>> + omap1_map_common_io();
>> + printk(KERN_INFO "htcherald_map_io done.\n");
>> +}
>> +
>> +static void __init htcherald_disable_watchdog(void)
>> +{
>> + /* Disable watchdog if running */
>> + if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) {
>> + /*
>> + * disable a potentially running watchdog timer before
>> + * it kills us.
>> + */
>> + printk(KERN_WARNING "OMAP850 Watchdog seems to be activated,
>> disabling it for now.\n");
>> + omap_writel(0xF5, OMAP_WDT_TIMER_MODE);
>> + omap_writel(0xA0, OMAP_WDT_TIMER_MODE);
>> + }
>> +}
>> +
>> +static void __init htcherald_init(void)
>> +{
>> + printk(KERN_INFO "HTC Herald init.\n");
>> +
>> + omap_gpio_init();
>> +
>> + omap_board_config = htcherald_config;
>> + omap_board_config_size = ARRAY_SIZE(htcherald_config);
>> + platform_add_devices(devices, ARRAY_SIZE(devices));
>> +
>> + htcherald_disable_watchdog();
>> +}
>> +
>> +static void __init htcherald_init_irq(void)
>> +{
>> + printk(KERN_INFO "htcherald_init_irq.\n");
>> + omap1_init_common_hw();
>> + omap_init_irq();
>> +}
>> +
>> +MACHINE_START(HERALD, "HTC Herald")
>> + /* Maintainer: Cory Maccarrone <darkstar6262@xxxxxxxxx> */
>> + /* Maintainer: wing-linux.sourceforge.net */
>> + .phys_io = 0xfff00000,
>> + .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
>> + .boot_params = 0x10000100,
>> + .map_io = htcherald_map_io,
>> + .init_irq = htcherald_init_irq,
>> + .init_machine = htcherald_init,
>> + .timer = &omap_timer,
>> +MACHINE_END
>> diff --git a/drivers/video/omap/lcd_htcherald.c
>> b/drivers/video/omap/lcd_htcherald.c
>> new file mode 100644
>> index 0000000..eb0dc2c
>> --- /dev/null
>> +++ b/drivers/video/omap/lcd_htcherald.c
>> @@ -0,0 +1,164 @@
>> +/*
>> + * File: drivers/video/omap/lcd-htcherald.c
>> + *
>> + * LCD panel support for the HTC Herald
>> + *
>> + * Copyright (C) 2009 Cory Maccarrone <darkstar6262@xxxxxxxxx>
>> + * Copyright (C) 2009 Wing Linux
>> + *
>> + * Based on the lcd_htcwizard.c file from the linwizard project:
>> + * Copyright (C) linwizard.sourceforge.net
>> + * Author: Angelo Arrifano <miknix@xxxxxxxxx>
>> + * Based on lcd_h4 by Imre Deak <imre.deak@xxxxxxxxx>
>> + *
>> + * This program is free software; you can redistribute it and/or modify it
>> + * under the terms of the GNU General Public License as published by the
>> + * Free Software Foundation; either version 2 of the License, or (at your
>> + * option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful, but
>> + * WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> + * General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License along
>> + * with this program; if not, write to the Free Software Foundation, Inc.,
>> + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
>> + */
>> +
>> +#include <linux/module.h>
>> +#include <linux/platform_device.h>
>> +
>> +#include <mach/omapfb.h>
>> +#include <mach/io.h>
>> +
>> +/* LCD register definition */
>> +#define OMAP_LCDC_CONTROL (0xfffec000 + 0x00)
>> +#define OMAP_LCDC_STATUS (0xfffec000 + 0x10)
>> +#define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2)
>> +#define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4)
>> +#define OMAP_LCDC_CTRL_LCD_EN (1 << 0)
>> +#define OMAP_LCDC_STAT_DONE (1 << 0)
>> +
>> +static int htcherald_panel_init(struct lcd_panel *panel,
>> + struct omapfb_device *fbdev)
>> +{
>> + return 0;
>> +}
>> +
>> +static void htcherald_panel_cleanup(struct lcd_panel *panel)
>> +{
>> +}
>> +
>> +static int htcherald_panel_enable(struct lcd_panel *panel)
>> +{
>> + return 0;
>> +}
>> +
>> +static void htcherald_panel_disable(struct lcd_panel *panel)
>> +{
>> +}
>> +
>> +static unsigned long htcherald_panel_get_caps(struct lcd_panel *panel)
>> +{
>> + return 0;
>> +}
>> +
>> +/* Found on WIZ200 (miknix) and some HERA110 models (darkstar62) */
>> +struct lcd_panel htcherald_panel_1 = {
>> + .name = "lcd_herald",
>> + .config = OMAP_LCDC_PANEL_TFT |
>> + OMAP_LCDC_INV_HSYNC |
>> + OMAP_LCDC_INV_VSYNC |
>> + OMAP_LCDC_INV_PIX_CLOCK,
>> + .bpp = 16,
>> + .data_lines = 16,
>> + .x_res = 240,
>> + .y_res = 320,
>> + .pixel_clock = 6093,
>> + .pcd = 0, /* 15 */
>> + .hsw = 10,
>> + .hfp = 10,
>> + .hbp = 20,
>> + .vsw = 3,
>> + .vfp = 2,
>> + .vbp = 2,
>> +
>> + .init = htcherald_panel_init,
>> + .cleanup = htcherald_panel_cleanup,
>> + .enable = htcherald_panel_enable,
>> + .disable = htcherald_panel_disable,
>> + .get_caps = htcherald_panel_get_caps,
>> +};
>> +
>> +static int htcherald_panel_probe(struct platform_device *pdev)
>> +{
>> + u32 reg;
>> + unsigned int tries = 200;
>> +
>> + /* disable controller if active */
>> + reg = omap_readl(OMAP_LCDC_CONTROL);
>> + if (reg & OMAP_LCDC_CTRL_LCD_EN) {
>> + reg &= ~OMAP_LCDC_CTRL_LCD_EN;
>> + omap_writel(reg, OMAP_LCDC_CONTROL);
>> +
>> + /* wait for end of frame */
>> + while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE) && --tries);
>> +
>> + if (!tries) {
>> + printk(KERN_WARNING "lcd_htcherald: Unable to confirm controller
>> is disabled -- LCD might not work\n");
>> + }
>> +
>> + /* turn off DMA */
>> + reg = omap_readw(OMAP_DMA_LCD_CCR);
>> + reg &= ~(1 << 7);
>> + omap_writew(reg, OMAP_DMA_LCD_CCR);
>> +
>> + reg = omap_readw(OMAP_DMA_LCD_CTRL);
>> + reg &= ~(1 << 8);
>> + omap_writew(reg, OMAP_DMA_LCD_CTRL);
>> + }
>> +
>> + omapfb_register_panel(&htcherald_panel_1);
>> + return 0;
>> +}
>> +
>> +static int htcherald_panel_remove(struct platform_device *pdev)
>> +{
>> + return 0;
>> +}
>> +
>> +static int htcherald_panel_suspend(struct platform_device *pdev,
>> pm_message_t mesg)
>> +{
>> + return 0;
>> +}
>> +
>> +static int htcherald_panel_resume(struct platform_device *pdev)
>> +{
>> + return 0;
>> +}
>> +
>> +struct platform_driver htcherald_panel_driver = {
>> + .probe = htcherald_panel_probe,
>> + .remove = htcherald_panel_remove,
>> + .suspend = htcherald_panel_suspend,
>> + .resume = htcherald_panel_resume,
>> + .driver = {
>> + .name = "lcd_htcherald",
>> + .owner = THIS_MODULE,
>> + },
>> +};
>> +
>> +static int htcherald_panel_drv_init(void)
>> +{
>> + return platform_driver_register(&htcherald_panel_driver);
>> +}
>> +
>> +static void htcherald_panel_drv_cleanup(void)
>> +{
>> + platform_driver_unregister(&htcherald_panel_driver);
>> +}
>> +
>> +module_init(htcherald_panel_drv_init);
>> +module_exit(htcherald_panel_drv_cleanup);
>> +
>> --
>> 1.5.6.3
>>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
