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Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux 

* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: (23 commits)
  OMAP: DSS2: Fix omap_dss_probe() error path
  OMAP: DSS2: omap_dss_probe() conditional compilation cleanup
  board-omap3-beagle: add DSS2 support
  OMAP2: DSS: Add missing line for update bg color
  OMAP3630: DSS2: Updating MAX divider value
  OMAP: RX51: Update board defconfig
  OMAP: DSS2: Add ACX565AKM Panel Driver
  OMAP: RX51: Add Touch Controller in SPI board info
  OMAP: RX51: Add LCD Panel support
  OMAP: DSS2: TPO-TD03MTEA1: fix Kconfig dependency
  OMAP: LCD LS037V7DW01: Add Backlight driver support
  OMAP: DSS2: Taal: Fix DSI bus locking problem
  OMAP: DSS2: Taal: add mutex to protect panel data
  OMAP: DSS2: Make partial update width even
  OMAP: DSS2: Fix device disable when driver is not loaded
  OMAP: DSS2: VENC: don't call platform_enable/disable() twice
  OMAP: DSS2: check lock_fb_info() return value
  OMAP: DSS2: fix lock_fb_info() and omapfb_lock() locking order
  OMAP: DSS2: Use vdds_sdi regulator supply in SDI
  OMAP: DSS2: Remove redundant enable/disable calls from SDI
  ...
This commit is contained in:
Linus Torvalds 2010-05-21 15:20:57 -07:00
parent 2a8ba8f032 fce064cbda
commit 1f7f314bf2
24 changed files with 1573 additions and 129 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
arch/arm/configs/am3517_evm_defconfig
View File

@ -774,7 +774,57 @@ CONFIG_SSB_POSSIBLE=y
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set
#
# Frame buffer hardware drivers
#
# CONFIG_FB_ARMCLCD is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
CONFIG_OMAP2_VRAM=y
CONFIG_OMAP2_VRFB=y
CONFIG_OMAP2_DSS=y
CONFIG_OMAP2_VRAM_SIZE=4
CONFIG_OMAP2_DSS_DEBUG_SUPPORT=y
# CONFIG_OMAP2_DSS_RFBI is not set
CONFIG_OMAP2_DSS_VENC=y
# CONFIG_OMAP2_DSS_SDI is not set
# CONFIG_OMAP2_DSS_DSI is not set
# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4
CONFIG_FB_OMAP2=y
CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set
CONFIG_FB_OMAP2_NUM_FBS=3
#
# OMAP2/3 Display Device Drivers
#
CONFIG_PANEL_GENERIC=y
# CONFIG_PANEL_SHARP_LS037V7DW01 is not set
CONFIG_PANEL_SHARP_LQ043T1DG01=y
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#

51
arch/arm/configs/omap3_evm_defconfig
View File

@ -911,7 +911,56 @@ CONFIG_DAB=y
#
# CONFIG_VGASTATE is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
# CONFIG_FB is not set
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set
#
# Frame buffer hardware drivers
#
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
CONFIG_OMAP2_VRAM=y
CONFIG_OMAP2_VRFB=y
CONFIG_OMAP2_DSS=y
CONFIG_OMAP2_VRAM_SIZE=4
# CONFIG_OMAP2_DSS_DEBUG_SUPPORT is not set
# CONFIG_OMAP2_DSS_RFBI is not set
CONFIG_OMAP2_DSS_VENC=y
# CONFIG_OMAP2_DSS_SDI is not set
# CONFIG_OMAP2_DSS_DSI is not set
# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4
CONFIG_FB_OMAP2=y
# CONFIG_FB_OMAP2_DEBUG_SUPPORT is not set
# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set
CONFIG_FB_OMAP2_NUM_FBS=3
#
# OMAP2/3 Display Device Drivers
#
CONFIG_PANEL_GENERIC=y
# CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C is not set
CONFIG_PANEL_SHARP_LS037V7DW01=y
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#

39
arch/arm/configs/rx51_defconfig
View File

@ -784,6 +784,7 @@ CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
CONFIG_KEYBOARD_GPIO=m
CONFIG_KEYBOARD_TWL4030=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
@ -809,6 +810,7 @@ CONFIG_INPUT_MISC=y
# CONFIG_INPUT_POWERMATE is not set
# CONFIG_INPUT_YEALINK is not set
# CONFIG_INPUT_CM109 is not set
CONFIG_INPUT_TWL4030_PWRBUTTON=y
CONFIG_INPUT_UINPUT=m
#
@ -1110,7 +1112,40 @@ CONFIG_RADIO_ADAPTERS=y
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
CONFIG_FB=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# Frame buffer hardware drivers
#
CONFIG_OMAP2_VRAM=y
CONFIG_OMAP2_VRFB=y
CONFIG_OMAP2_DSS=y
CONFIG_OMAP2_VRAM_SIZE=0
# CONFIG_OMAP2_DSS_DEBUG_SUPPORT is not set
# CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS is not set
# CONFIG_OMAP2_DSS_DPI is not set
# CONFIG_OMAP2_DSS_RFBI is not set
# CONFIG_OMAP2_DSS_VENC is not set
CONFIG_OMAP2_DSS_SDI=y
# CONFIG_OMAP2_DSS_DSI is not set
# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set
CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=0
CONFIG_FB_OMAP2=y
CONFIG_FB_OMAP2_DEBUG_SUPPORT=y
CONFIG_FB_OMAP2_NUM_FBS=3
#
# OMAP2/3 Display Device Drivers
#
# CONFIG_PANEL_GENERIC is not set
# CONFIG_PANEL_SHARP_LS037V7DW01 is not set
# CONFIG_PANEL_SHARP_LQ043T1DG01 is not set
# CONFIG_PANEL_TOPPOLY_TDO35S is not set
# CONFIG_PANEL_TPO_TD043MTEA1 is not set
CONFIG_PANEL_ACX565AKM=y
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
@ -1127,6 +1162,8 @@ CONFIG_DISPLAY_SUPPORT=y
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_SOUND=y
# CONFIG_SOUND_OSS_CORE is not set
CONFIG_SND=y

1
arch/arm/mach-omap2/Makefile
View File

@ -119,6 +119,7 @@ obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-sdram.o \
board-rx51-peripherals.o \
board-rx51-video.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
board-zoom-peripherals.o \

101
arch/arm/mach-omap2/board-omap3beagle.c
View File

@ -39,6 +39,7 @@
#include <plat/board.h>
#include <plat/common.h>
#include <plat/display.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>
@ -106,6 +107,77 @@ static struct platform_device omap3beagle_nand_device = {
.resource = &omap3beagle_nand_resource,
};
/* DSS */
static int beagle_enable_dvi(struct omap_dss_device *dssdev)
{
if (gpio_is_valid(dssdev->reset_gpio))
gpio_set_value(dssdev->reset_gpio, 1);
return 0;
}
static void beagle_disable_dvi(struct omap_dss_device *dssdev)
{
if (gpio_is_valid(dssdev->reset_gpio))
gpio_set_value(dssdev->reset_gpio, 0);
}
static struct omap_dss_device beagle_dvi_device = {
.type = OMAP_DISPLAY_TYPE_DPI,
.name = "dvi",
.driver_name = "generic_panel",
.phy.dpi.data_lines = 24,
.reset_gpio = 170,
.platform_enable = beagle_enable_dvi,
.platform_disable = beagle_disable_dvi,
};
static struct omap_dss_device beagle_tv_device = {
.name = "tv",
.driver_name = "venc",
.type = OMAP_DISPLAY_TYPE_VENC,
.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};
static struct omap_dss_device *beagle_dss_devices[] = {
&beagle_dvi_device,
&beagle_tv_device,
};
static struct omap_dss_board_info beagle_dss_data = {
.num_devices = ARRAY_SIZE(beagle_dss_devices),
.devices = beagle_dss_devices,
.default_device = &beagle_dvi_device,
};
static struct platform_device beagle_dss_device = {
.name = "omapdss",
.id = -1,
.dev = {
.platform_data = &beagle_dss_data,
},
};
static struct regulator_consumer_supply beagle_vdac_supply =
REGULATOR_SUPPLY("vdda_dac", "omapdss");
static struct regulator_consumer_supply beagle_vdvi_supply =
REGULATOR_SUPPLY("vdds_dsi", "omapdss");
static void __init beagle_display_init(void)
{
int r;
r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
if (r < 0) {
printk(KERN_ERR "Unable to get DVI reset GPIO\n");
return;
}
gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
}
#include "sdram-micron-mt46h32m32lf-6.h"
static struct omap2_hsmmc_info mmc[] = {
@ -117,15 +189,6 @@ static struct omap2_hsmmc_info mmc[] = {
{} /* Terminator */
};
static struct platform_device omap3_beagle_lcd_device = {
.name = "omap3beagle_lcd",
.id = -1,
};
static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct regulator_consumer_supply beagle_vmmc1_supply = {
.supply = "vmmc",
};
@ -181,16 +244,6 @@ static struct twl4030_gpio_platform_data beagle_gpio_data = {
.setup = beagle_twl_gpio_setup,
};
static struct regulator_consumer_supply beagle_vdac_supply = {
.supply = "vdac",
.dev = &omap3_beagle_lcd_device.dev,
};
static struct regulator_consumer_supply beagle_vdvi_supply = {
.supply = "vdvi",
.dev = &omap3_beagle_lcd_device.dev,
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data beagle_vmmc1 = {
.constraints = {
@ -349,14 +402,8 @@ static struct platform_device keys_gpio = {
},
};
static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
{ OMAP_TAG_LCD, &omap3_beagle_lcd_config },
};
static void __init omap3_beagle_init_irq(void)
{
omap_board_config = omap3_beagle_config;
omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
mt46h32m32lf6_sdrc_params);
omap_init_irq();
@ -367,9 +414,9 @@ static void __init omap3_beagle_init_irq(void)
}
static struct platform_device *omap3_beagle_devices[] __initdata = {
&omap3_beagle_lcd_device,
&leds_gpio,
&keys_gpio,
&beagle_dss_device,
};
static void __init omap3beagle_flash_init(void)
@ -456,6 +503,8 @@ static void __init omap3_beagle_init(void)
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
beagle_display_init();
}
static void __init omap3_beagle_map_io(void)

28
arch/arm/mach-omap2/board-rx51-peripherals.c
View File

@ -45,6 +45,8 @@
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
RX51_SPI_MIPID, /* LCD panel */
RX51_SPI_TSC2005, /* Touch Controller */
};
static struct wl12xx_platform_data wl1251_pdata;
@ -54,6 +56,16 @@ static struct omap2_mcspi_device_config wl1251_mcspi_config = {
.single_channel = 1,
};
static struct omap2_mcspi_device_config mipid_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1,
};
static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
.turbo_mode = 0,
.single_channel = 1,
};
static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
[RX51_SPI_WL1251] = {
.modalias = "wl1251",
@ -64,6 +76,22 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
.controller_data = &wl1251_mcspi_config,
.platform_data = &wl1251_pdata,
},
[RX51_SPI_MIPID] = {
.modalias = "acx565akm",
.bus_num = 1,
.chip_select = 2,
.max_speed_hz = 6000000,
.controller_data = &mipid_mcspi_config,
},
[RX51_SPI_TSC2005] = {
.modalias = "tsc2005",
.bus_num = 1,
.chip_select = 0,
/* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/
.max_speed_hz = 6000000,
.controller_data = &tsc2005_mcspi_config,
/* .platform_data = &tsc2005_config,*/
},
};
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)

109
arch/arm/mach-omap2/board-rx51-video.c Normal file
View File

@ -0,0 +1,109 @@
/*
* linux/arch/arm/mach-omap2/board-rx51-video.c
*
* Copyright (C) 2010 Nokia
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/mm.h>
#include <asm/mach-types.h>
#include <plat/mux.h>
#include <plat/display.h>
#include <plat/vram.h>
#include <plat/mcspi.h>
#include "mux.h"
#define RX51_LCD_RESET_GPIO 90
#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
static int rx51_lcd_enable(struct omap_dss_device *dssdev)
{
gpio_set_value(dssdev->reset_gpio, 1);
return 0;
}
static void rx51_lcd_disable(struct omap_dss_device *dssdev)
{
gpio_set_value(dssdev->reset_gpio, 0);
}
static struct omap_dss_device rx51_lcd_device = {
.name = "lcd",
.driver_name = "panel-acx565akm",
.type = OMAP_DISPLAY_TYPE_SDI,
.phy.sdi.datapairs = 2,
.reset_gpio = RX51_LCD_RESET_GPIO,
.platform_enable = rx51_lcd_enable,
.platform_disable = rx51_lcd_disable,
};
static struct omap_dss_device *rx51_dss_devices[] = {
&rx51_lcd_device,
};
static struct omap_dss_board_info rx51_dss_board_info = {
.num_devices = ARRAY_SIZE(rx51_dss_devices),
.devices = rx51_dss_devices,
.default_device = &rx51_lcd_device,
};
struct platform_device rx51_display_device = {
.name = "omapdss",
.id = -1,
.dev = {
.platform_data = &rx51_dss_board_info,
},
};
static struct platform_device *rx51_video_devices[] __initdata = {
&rx51_display_device,
};
static int __init rx51_video_init(void)
{
if (!machine_is_nokia_rx51())
return 0;
if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
return 0;
}
if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
pr_err("%s failed to get LCD Reset GPIO\n", __func__);
return 0;
}
gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
platform_add_devices(rx51_video_devices,
ARRAY_SIZE(rx51_video_devices));
return 0;
}
subsys_initcall(rx51_video_init);
void __init rx51_video_mem_init(void)
{
/*
* GFX 864x480x32bpp
* VID1/2 1280x720x32bpp double buffered
*/
omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
}
#else
void __init rx51_video_mem_init(void) { }
#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */

2
arch/arm/mach-omap2/board-rx51.c
View File

@ -36,6 +36,7 @@
#define RX51_GPIO_SLEEP_IND 162
struct omap_sdrc_params *rx51_get_sdram_timings(void);
extern void rx51_video_mem_init(void);
static struct gpio_led gpio_leds[] = {
{
@ -143,6 +144,7 @@ static void __init rx51_init(void)
static void __init rx51_map_io(void)
{
omap2_set_globals_343x();
rx51_video_mem_init();
omap34xx_map_common_io();
}

9
drivers/video/omap2/displays/Kconfig
View File

@ -10,6 +10,7 @@ config PANEL_GENERIC
config PANEL_SHARP_LS037V7DW01
tristate "Sharp LS037V7DW01 LCD Panel"
depends on OMAP2_DSS
select BACKLIGHT_CLASS_DEVICE
help
LCD Panel used in TI's SDP3430 and EVM boards
@ -33,8 +34,14 @@ config PANEL_TOPPOLY_TDO35S
config PANEL_TPO_TD043MTEA1
tristate "TPO TD043MTEA1 LCD Panel"
depends on OMAP2_DSS && I2C
depends on OMAP2_DSS && SPI
help
LCD Panel used in OMAP3 Pandora
config PANEL_ACX565AKM
tristate "ACX565AKM Panel"
depends on OMAP2_DSS_SDI
select BACKLIGHT_CLASS_DEVICE
help
This is the LCD panel used on Nokia N900
endmenu

1
drivers/video/omap2/displays/Makefile
View File

@ -5,3 +5,4 @@ obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o

819
drivers/video/omap2/displays/panel-acx565akm.c Normal file
View File

@ -0,0 +1,819 @@
/*
* 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 <plat/display.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 if (md->dssdev->set_backlight)
r = md->dssdev->set_backlight(md->dssdev, 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 && md->dssdev->set_backlight == NULL)
return -ENODEV;
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
dev->props.power == FB_BLANK_UNBLANK) {
if (md->has_bc)
return acx565akm_get_actual_brightness(md);
else
return dev->props.brightness;
}
return 0;
}
static 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,
};
static int acx_panel_probe(struct omap_dss_device *dssdev)
{
int r;
struct acx565akm_device *md = &acx_dev;
struct backlight_device *bldev;
int max_brightness, brightness;
struct backlight_properties props;
dev_dbg(&dssdev->dev, "%s\n", __func__);
dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
OMAP_DSS_LCD_IHS;
/* FIXME AC bias ? */
dssdev->panel.timings = acx_panel_timings;
if (dssdev->platform_enable)
dssdev->platform_enable(dssdev);
/*
* 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 && dssdev->platform_disable)
dssdev->platform_disable(dssdev);
return r;
}
mutex_lock(&acx_dev.mutex);
acx_dev.dssdev = dssdev;
mutex_unlock(&acx_dev.mutex);
if (!md->enabled) {
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
}
/*------- Backlight control --------*/
props.fb_blank = FB_BLANK_UNBLANK;
props.power = FB_BLANK_UNBLANK;
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);
}
if (md->has_bc)
max_brightness = 255;
else
max_brightness = dssdev->max_backlight_level;
if (md->has_bc)
brightness = acx565akm_get_actual_brightness(md);
else if (dssdev->get_backlight)
brightness = dssdev->get_backlight(dssdev);
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;
int r;
dev_dbg(&dssdev->dev, "%s\n", __func__);
mutex_lock(&md->mutex);
r = omapdss_sdi_display_enable(dssdev);
if (r) {
pr_err("%s sdi enable failed\n", __func__);
return r;
}
/*FIXME tweak me */
msleep(50);
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
goto fail;
}
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:
omapdss_sdi_display_disable(dssdev);
return r;
}
static void acx_panel_power_off(struct omap_dss_device *dssdev)
{
struct acx565akm_device *md = &acx_dev;
dev_dbg(&dssdev->dev, "%s\n", __func__);
mutex_lock(&md->mutex);
if (!md->enabled) {
mutex_unlock(&md->mutex);
return;
}
set_display_state(md, 0);
set_sleep_mode(md, 1);
md->enabled = 0;
/*
* 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 (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
/* 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 int acx_panel_suspend(struct omap_dss_device *dssdev)
{
dev_dbg(&dssdev->dev, "%s\n", __func__);
acx_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int acx_panel_resume(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_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
int r;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
omapdss_sdi_display_disable(dssdev);
dssdev->panel.timings = *timings;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
r = omapdss_sdi_display_enable(dssdev);
if (r)
dev_err(&dssdev->dev, "%s enable failed\n", __func__);
}
}
static void acx_panel_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
*timings = dssdev->panel.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,
.suspend = acx_panel_suspend,
.resume = acx_panel_resume,
.set_timings = acx_panel_set_timings,
.get_timings = acx_panel_get_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",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = acx565akm_spi_probe,
.remove = __devexit_p(acx565akm_spi_remove),
};
static int __init acx565akm_init(void)
{
return spi_register_driver(&acx565akm_spi_driver);
}
static void __exit acx565akm_exit(void)
{
spi_unregister_driver(&acx565akm_spi_driver);
}
module_init(acx565akm_init);
module_exit(acx565akm_exit);
MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("acx565akm LCD Driver");
MODULE_LICENSE("GPL");

78
drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
View File

@ -20,10 +20,17 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <plat/display.h>
struct sharp_data {
struct backlight_device *bl;
};
static struct omap_video_timings sharp_ls_timings = {
.x_res = 480,
.y_res = 640,
@ -39,18 +46,89 @@ static struct omap_video_timings sharp_ls_timings = {
.vbp = 1,
};
static int sharp_ls_bl_update_status(struct backlight_device *bl)
{
struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
int level;
if (!dssdev->set_backlight)
return -EINVAL;
if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
bl->props.power == FB_BLANK_UNBLANK)
level = bl->props.brightness;
else
level = 0;
return dssdev->set_backlight(dssdev, level);
}
static int sharp_ls_bl_get_brightness(struct backlight_device *bl)
{
if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
bl->props.power == FB_BLANK_UNBLANK)
return bl->props.brightness;
return 0;
}
static const struct backlight_ops sharp_ls_bl_ops = {
.get_brightness = sharp_ls_bl_get_brightness,
.update_status = sharp_ls_bl_update_status,
};
static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
{
struct backlight_properties props;
struct backlight_device *bl;
struct sharp_data *sd;
int r;
dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
OMAP_DSS_LCD_IHS;
dssdev->panel.acb = 0x28;
dssdev->panel.timings = sharp_ls_timings;
sd = kzalloc(sizeof(*sd), GFP_KERNEL);
if (!sd)
return -ENOMEM;
dev_set_drvdata(&dssdev->dev, sd);
memset(&props, 0, sizeof(struct backlight_properties));
props.max_brightness = dssdev->max_backlight_level;
bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev,
&sharp_ls_bl_ops, &props);
if (IS_ERR(bl)) {
r = PTR_ERR(bl);
kfree(sd);
return r;
}
sd->bl = bl;
bl->props.fb_blank = FB_BLANK_UNBLANK;
bl->props.power = FB_BLANK_UNBLANK;
bl->props.brightness = dssdev->max_backlight_level;
r = sharp_ls_bl_update_status(bl);
if (r < 0)
dev_err(&dssdev->dev, "failed to set lcd brightness\n");
return 0;
}
static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
{
struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
struct backlight_device *bl = sd->bl;
bl->props.power = FB_BLANK_POWERDOWN;
sharp_ls_bl_update_status(bl);
backlight_device_unregister(bl);
kfree(sd);
}
static int sharp_ls_power_on(struct omap_dss_device *dssdev)

143
drivers/video/omap2/displays/panel-taal.c
View File

@ -31,6 +31,7 @@
#include <linux/completion.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <plat/display.h>
@ -67,6 +68,8 @@
static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
struct taal_data {
struct mutex lock;
struct backlight_device *bldev;
unsigned long hw_guard_end; /* next value of jiffies when we can
@ -510,6 +513,8 @@ static int taal_probe(struct omap_dss_device *dssdev)
}
td->dssdev = dssdev;
mutex_init(&td->lock);
td->esd_wq = create_singlethread_workqueue("taal_esd");
if (td->esd_wq == NULL) {
dev_err(&dssdev->dev, "can't create ESD workqueue\n");
@ -697,10 +702,9 @@ static int taal_power_on(struct omap_dss_device *dssdev)
return 0;
err:
dsi_bus_unlock();
omapdss_dsi_display_disable(dssdev);
err0:
dsi_bus_unlock();
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
@ -733,54 +737,96 @@ static void taal_power_off(struct omap_dss_device *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");
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
return -EINVAL;
mutex_lock(&td->lock);
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
r = -EINVAL;
goto err;
}
r = taal_power_on(dssdev);
if (r)
return r;
goto err;
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);
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
taal_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
mutex_unlock(&td->lock);
}
static int taal_suspend(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
dev_dbg(&dssdev->dev, "suspend\n");
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return -EINVAL;
mutex_lock(&td->lock);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
r = -EINVAL;
goto err;
}
taal_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
mutex_unlock(&td->lock);
return 0;
err:
mutex_unlock(&td->lock);
return r;
}
static int taal_resume(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
dev_dbg(&dssdev->dev, "resume\n");
if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
return -EINVAL;
mutex_lock(&td->lock);
if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
r = -EINVAL;
goto err;
}
r = taal_power_on(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
mutex_unlock(&td->lock);
return r;
err:
mutex_unlock(&td->lock);
return r;
}
@ -799,6 +845,7 @@ static int taal_update(struct omap_dss_device *dssdev,
dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
mutex_lock(&td->lock);
dsi_bus_lock();
if (!td->enabled) {
@ -820,18 +867,24 @@ static int taal_update(struct omap_dss_device *dssdev,
goto err;
/* note: no bus_unlock here. unlock is in framedone_cb */
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock();
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();
dsi_bus_unlock();
mutex_unlock(&td->lock);
dev_dbg(&dssdev->dev, "sync done\n");
@ -861,13 +914,16 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
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);
dsi_bus_lock();
r = _taal_enable_te(dssdev, enable);
dsi_bus_unlock();
mutex_unlock(&td->lock);
return r;
}
@ -875,7 +931,13 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
static int taal_get_te(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
return td->te_enabled;
int r;
mutex_lock(&td->lock);
r = td->te_enabled;
mutex_unlock(&td->lock);
return r;
}
static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
@ -885,6 +947,7 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
mutex_lock(&td->lock);
dsi_bus_lock();
if (td->enabled) {
@ -896,16 +959,24 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
td->rotate = rotate;
dsi_bus_unlock();
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock();
mutex_unlock(&td->lock);
return r;
}
static u8 taal_get_rotate(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
return td->rotate;
int r;
mutex_lock(&td->lock);
r = td->rotate;
mutex_unlock(&td->lock);
return r;
}
static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
@ -915,6 +986,7 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
dev_dbg(&dssdev->dev, "mirror %d\n", enable);
mutex_lock(&td->lock);
dsi_bus_lock();
if (td->enabled) {
r = taal_set_addr_mode(td->rotate, enable);
@ -925,23 +997,33 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
td->mirror = enable;
dsi_bus_unlock();
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock();
mutex_unlock(&td->lock);
return r;
}
static bool taal_get_mirror(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
return td->mirror;
int r;
mutex_lock(&td->lock);
r = td->mirror;
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);
dsi_bus_lock();
r = taal_dcs_read_1(DCS_GET_ID1, &id1);
@ -955,9 +1037,11 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
goto err;
dsi_bus_unlock();
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock();
mutex_unlock(&td->lock);
return r;
}
@ -971,12 +1055,16 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
unsigned buf_used = 0;
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
if (!td->enabled)
return -ENODEV;
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);
@ -995,7 +1083,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
r = dsi_vc_set_max_rx_packet_size(TCH, plen);
if (r)
goto err0;
goto err2;
while (buf_used < size) {
u8 dcs_cmd = first ? 0x2e : 0x3e;
@ -1006,7 +1094,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
if (r < 0) {
dev_err(&dssdev->dev, "read error\n");
goto err;
goto err3;
}
buf_used += r;
@ -1020,16 +1108,18 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
dev_err(&dssdev->dev, "signal pending, "
"aborting memory read\n");
r = -ERESTARTSYS;
goto err;
goto err3;
}
}
r = buf_used;
err:
err3:
dsi_vc_set_max_rx_packet_size(TCH, 1);
err0:
err2:
dsi_bus_unlock();
err1:
mutex_unlock(&td->lock);
return r;
}
@ -1041,8 +1131,12 @@ static void taal_esd_work(struct work_struct *work)
u8 state1, state2;
int r;
if (!td->enabled)
mutex_lock(&td->lock);
if (!td->enabled) {
mutex_unlock(&td->lock);
return;
}
dsi_bus_lock();
@ -1084,16 +1178,19 @@ static void taal_esd_work(struct work_struct *work)
queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
mutex_unlock(&td->lock);
return;
err:
dev_err(&dssdev->dev, "performing LCD reset\n");
taal_disable(dssdev);
taal_enable(dssdev);
taal_power_off(dssdev);
taal_power_on(dssdev);
dsi_bus_unlock();
queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
mutex_unlock(&td->lock);
}
static int taal_set_update_mode(struct omap_dss_device *dssdev,

6
drivers/video/omap2/dss/Kconfig
View File

@ -36,6 +36,12 @@ config OMAP2_DSS_COLLECT_IRQ_STATS
<debugfs>/omapdss/dispc_irq for DISPC interrupts, and
<debugfs>/omapdss/dsi_irq for DSI interrupts.
config OMAP2_DSS_DPI
bool "DPI support"
default y
help
DPI Interface. This is the Parallel Display Interface.
config OMAP2_DSS_RFBI
bool "RFBI support"
default n

3
drivers/video/omap2/dss/Makefile
View File

@ -1,5 +1,6 @@
obj-$(CONFIG_OMAP2_DSS) += omapdss.o
omapdss-y := core.o dss.o dispc.o dpi.o display.o manager.o overlay.o
omapdss-y := core.o dss.o dispc.o display.o manager.o overlay.o
omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o

85
drivers/video/omap2/dss/core.c
View File

@ -482,6 +482,14 @@ static void dss_uninitialize_debugfs(void)
if (dss_debugfs_dir)
debugfs_remove_recursive(dss_debugfs_dir);
}
#else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
static inline int dss_initialize_debugfs(void)
{
return 0;
}
static inline void dss_uninitialize_debugfs(void)
{
}
#endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
/* PLATFORM DEVICE */
@ -499,7 +507,7 @@ static int omap_dss_probe(struct platform_device *pdev)
r = dss_get_clocks();
if (r)
goto fail0;
goto err_clocks;
dss_clk_enable_all_no_ctx();
@ -515,64 +523,64 @@ static int omap_dss_probe(struct platform_device *pdev)
r = dss_init(skip_init);
if (r) {
DSSERR("Failed to initialize DSS\n");
goto fail0;
goto err_dss;
}
#ifdef CONFIG_OMAP2_DSS_RFBI
r = rfbi_init();
if (r) {
DSSERR("Failed to initialize rfbi\n");
goto fail0;
goto err_rfbi;
}
#endif
r = dpi_init(pdev);
if (r) {
DSSERR("Failed to initialize dpi\n");
goto fail0;
goto err_dpi;
}
r = dispc_init();
if (r) {
DSSERR("Failed to initialize dispc\n");
goto fail0;
goto err_dispc;
}
#ifdef CONFIG_OMAP2_DSS_VENC
r = venc_init(pdev);
if (r) {
DSSERR("Failed to initialize venc\n");
goto fail0;
goto err_venc;
}
#endif
if (cpu_is_omap34xx()) {
#ifdef CONFIG_OMAP2_DSS_SDI
r = sdi_init(skip_init);
if (r) {
DSSERR("Failed to initialize SDI\n");
goto fail0;
goto err_sdi;
}
#endif
#ifdef CONFIG_OMAP2_DSS_DSI
r = dsi_init(pdev);
if (r) {
DSSERR("Failed to initialize DSI\n");
goto fail0;
goto err_dsi;
}
#endif
}
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
r = dss_initialize_debugfs();
if (r)
goto fail0;
#endif
goto err_debugfs;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
r = omap_dss_register_device(dssdev);
if (r)
DSSERR("device reg failed %d\n", i);
if (r) {
DSSERR("device %d %s register failed %d\n", i,
dssdev->name ?: "unnamed", r);
while (--i >= 0)
omap_dss_unregister_device(pdata->devices[i]);
goto err_register;
}
if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
pdata->default_device = dssdev;
@ -582,8 +590,29 @@ static int omap_dss_probe(struct platform_device *pdev)
return 0;
/* XXX fail correctly */
fail0:
err_register:
dss_uninitialize_debugfs();
err_debugfs:
if (cpu_is_omap34xx())
dsi_exit();
err_dsi:
if (cpu_is_omap34xx())
sdi_exit();
err_sdi:
venc_exit();
err_venc:
dispc_exit();
err_dispc:
dpi_exit();
err_dpi:
rfbi_exit();
err_rfbi:
dss_exit();
err_dss:
dss_clk_disable_all_no_ctx();
dss_put_clocks();
err_clocks:
return r;
}
@ -593,25 +622,15 @@ static int omap_dss_remove(struct platform_device *pdev)
int i;
int c;
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
dss_uninitialize_debugfs();
#endif
#ifdef CONFIG_OMAP2_DSS_VENC
venc_exit();
#endif
dispc_exit();
dpi_exit();
#ifdef CONFIG_OMAP2_DSS_RFBI
rfbi_exit();
#endif
if (cpu_is_omap34xx()) {
#ifdef CONFIG_OMAP2_DSS_DSI
dsi_exit();
#endif
#ifdef CONFIG_OMAP2_DSS_SDI
sdi_exit();
#endif
}
dss_exit();

9
drivers/video/omap2/dss/display.c
View File

@ -392,7 +392,9 @@ void dss_init_device(struct platform_device *pdev,
int r;
switch (dssdev->type) {
#ifdef CONFIG_OMAP2_DSS_DPI
case OMAP_DISPLAY_TYPE_DPI:
#endif
#ifdef CONFIG_OMAP2_DSS_RFBI
case OMAP_DISPLAY_TYPE_DBI:
#endif
@ -413,9 +415,11 @@ void dss_init_device(struct platform_device *pdev,
}
switch (dssdev->type) {
#ifdef CONFIG_OMAP2_DSS_DPI
case OMAP_DISPLAY_TYPE_DPI:
r = dpi_init_display(dssdev);
break;
#endif
#ifdef CONFIG_OMAP2_DSS_RFBI
case OMAP_DISPLAY_TYPE_DBI:
r = rfbi_init_display(dssdev);
@ -541,7 +545,10 @@ int dss_resume_all_devices(void)
static int dss_disable_device(struct device *dev, void *data)
{
struct omap_dss_device *dssdev = to_dss_device(dev);
dssdev->driver->disable(dssdev);
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
dssdev->driver->disable(dssdev);
return 0;
}

24
drivers/video/omap2/dss/dss.c
View File

@ -223,7 +223,13 @@ void dss_dump_clocks(struct seq_file *s)
seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
if (cpu_is_omap3630())
seq_printf(s, "dss1_alwon_fclk = %lu / %lu = %lu\n",
dpll4_ck_rate,
dpll4_ck_rate / dpll4_m4_ck_rate,
dss_clk_get_rate(DSS_CLK_FCK1));
else
seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
dpll4_ck_rate,
dpll4_ck_rate / dpll4_m4_ck_rate,
dss_clk_get_rate(DSS_CLK_FCK1));
@ -293,7 +299,8 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo)
{
unsigned long prate;
if (cinfo->fck_div > 16 || cinfo->fck_div == 0)
if (cinfo->fck_div > (cpu_is_omap3630() ? 32 : 16) ||
cinfo->fck_div == 0)
return -EINVAL;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
@ -329,7 +336,10 @@ int dss_get_clock_div(struct dss_clock_info *cinfo)
if (cpu_is_omap34xx()) {
unsigned long prate;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
cinfo->fck_div = prate / (cinfo->fck / 2);
if (cpu_is_omap3630())
cinfo->fck_div = prate / (cinfo->fck);
else
cinfo->fck_div = prate / (cinfo->fck / 2);
} else {
cinfo->fck_div = 0;
}
@ -402,10 +412,14 @@ retry:
goto found;
} else if (cpu_is_omap34xx()) {
for (fck_div = 16; fck_div > 0; --fck_div) {
for (fck_div = (cpu_is_omap3630() ? 32 : 16);
fck_div > 0; --fck_div) {
struct dispc_clock_info cur_dispc;
fck = prate / fck_div * 2;
if (cpu_is_omap3630())
fck = prate / fck_div;
else
fck = prate / fck_div * 2;
if (fck > DISPC_MAX_FCK)
continue;

50
drivers/video/omap2/dss/dss.h
View File

@ -242,11 +242,22 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
struct dispc_clock_info *dispc_cinfo);
/* SDI */
#ifdef CONFIG_OMAP2_DSS_SDI
int sdi_init(bool skip_init);
void sdi_exit(void);
int sdi_init_display(struct omap_dss_device *display);
#else
static inline int sdi_init(bool skip_init)
{
return 0;
}
static inline void sdi_exit(void)
{
}
#endif
/* DSI */
#ifdef CONFIG_OMAP2_DSS_DSI
int dsi_init(struct platform_device *pdev);
void dsi_exit(void);
@ -270,11 +281,30 @@ void dsi_pll_uninit(void);
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, enum omap_burst_size *burst_size,
u32 *fifo_low, u32 *fifo_high);
#else
static inline int dsi_init(struct platform_device *pdev)
{
return 0;
}
static inline void dsi_exit(void)
{
}
#endif
/* DPI */
#ifdef CONFIG_OMAP2_DSS_DPI
int dpi_init(struct platform_device *pdev);
void dpi_exit(void);
int dpi_init_display(struct omap_dss_device *dssdev);
#else
static inline int dpi_init(struct platform_device *pdev)
{
return 0;
}
static inline void dpi_exit(void)
{
}
#endif
/* DISPC */
int dispc_init(void);
@ -362,12 +392,23 @@ int dispc_get_clock_div(struct dispc_clock_info *cinfo);
/* VENC */
#ifdef CONFIG_OMAP2_DSS_VENC
int venc_init(struct platform_device *pdev);
void venc_exit(void);
void venc_dump_regs(struct seq_file *s);
int venc_init_display(struct omap_dss_device *display);
#else
static inline int venc_init(struct platform_device *pdev)
{
return 0;
}
static inline void venc_exit(void)
{
}
#endif
/* RFBI */
#ifdef CONFIG_OMAP2_DSS_RFBI
int rfbi_init(void);
void rfbi_exit(void);
void rfbi_dump_regs(struct seq_file *s);
@ -379,6 +420,15 @@ void rfbi_transfer_area(u16 width, u16 height,
void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t);
unsigned long rfbi_get_max_tx_rate(void);
int rfbi_init_display(struct omap_dss_device *display);
#else
static inline int rfbi_init(void)
{
return 0;
}
static inline void rfbi_exit(void)
{
}
#endif
#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS

21
drivers/video/omap2/dss/manager.c
View File

@ -843,6 +843,7 @@ static void configure_manager(enum omap_channel channel)
c = &dss_cache.manager_cache[channel];
dispc_set_default_color(channel, c->default_color);
dispc_set_trans_key(channel, c->trans_key_type, c->trans_key);
dispc_enable_trans_key(channel, c->trans_enabled);
dispc_enable_alpha_blending(channel, c->alpha_enabled);
@ -940,6 +941,22 @@ static int configure_dispc(void)
return r;
}
/* Make the coordinates even. There are some strange problems with OMAP and
* partial DSI update when the update widths are odd. */
static void make_even(u16 *x, u16 *w)
{
u16 x1, x2;
x1 = *x;
x2 = *x + *w;
x1 &= ~1;
x2 = ALIGN(x2, 2);
*x = x1;
*w = x2 - x1;
}
/* Configure dispc for partial update. Return possibly modified update
* area */
void dss_setup_partial_planes(struct omap_dss_device *dssdev,
@ -968,6 +985,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
return;
}
make_even(&x, &w);
spin_lock_irqsave(&dss_cache.lock, flags);
/* We need to show the whole overlay if it is scaled. So look for
@ -1029,6 +1048,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
w = x2 - x1;
h = y2 - y1;
make_even(&x, &w);
DSSDBG("changing upd area due to ovl(%d) scaling %d,%d %dx%d\n",
i, x, y, w, h);
}

26
drivers/video/omap2/dss/sdi.c
View File

@ -23,13 +23,16 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/regulator/consumer.h>
#include <plat/display.h>
#include <plat/cpu.h>
#include "dss.h"
static struct {
bool skip_init;
bool update_enabled;
struct regulator *vdds_sdi_reg;
} sdi;
static void sdi_basic_init(void)
@ -57,6 +60,10 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
r = regulator_enable(sdi.vdds_sdi_reg);
if (r)
goto err1;
/* In case of skip_init sdi_init has already enabled the clocks */
if (!sdi.skip_init)
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
@ -115,19 +122,12 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
dssdev->manager->enable(dssdev->manager);
if (dssdev->driver->enable) {
r = dssdev->driver->enable(dssdev);
if (r)
goto err3;
}
sdi.skip_init = 0;
return 0;
err3:
dssdev->manager->disable(dssdev->manager);
err2:
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
regulator_disable(sdi.vdds_sdi_reg);
err1:
omap_dss_stop_device(dssdev);
err0:
@ -137,15 +137,14 @@ EXPORT_SYMBOL(omapdss_sdi_display_enable);
void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
{
if (dssdev->driver->disable)
dssdev->driver->disable(dssdev);
dssdev->manager->disable(dssdev->manager);
dss_sdi_disable();
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
regulator_disable(sdi.vdds_sdi_reg);
omap_dss_stop_device(dssdev);
}
EXPORT_SYMBOL(omapdss_sdi_display_disable);
@ -162,6 +161,11 @@ int sdi_init(bool skip_init)
/* we store this for first display enable, then clear it */
sdi.skip_init = skip_init;
sdi.vdds_sdi_reg = dss_get_vdds_sdi();
if (IS_ERR(sdi.vdds_sdi_reg)) {
DSSERR("can't get VDDS_SDI regulator\n");
return PTR_ERR(sdi.vdds_sdi_reg);
}
/*
* Enable clocks already here, otherwise there would be a toggle
* of them until sdi_display_enable is called.

15
drivers/video/omap2/dss/venc.c
View File

@ -479,12 +479,6 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
goto err1;
}
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
goto err2;
}
venc_power_on(dssdev);
venc.wss_data = 0;
@ -494,13 +488,9 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
/* wait couple of vsyncs until enabling the LCD */
msleep(50);
mutex_unlock(&venc.venc_lock);
return r;
err2:
venc_power_off(dssdev);
err1:
mutex_unlock(&venc.venc_lock);
return r;
}
@ -524,9 +514,6 @@ static void venc_panel_disable(struct omap_dss_device *dssdev)
/* wait at least 5 vsyncs after disabling the LCD */
msleep(100);
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
end:
mutex_unlock(&venc.venc_lock);

5
drivers/video/omap2/omapfb/omapfb-ioctl.c
View File

@ -183,13 +183,14 @@ int omapfb_update_window(struct fb_info *fbi,
struct omapfb2_device *fbdev = ofbi->fbdev;
int r;
if (!lock_fb_info(fbi))
return -ENODEV;
omapfb_lock(fbdev);
lock_fb_info(fbi);
r = omapfb_update_window_nolock(fbi, x, y, w, h);
unlock_fb_info(fbi);
omapfb_unlock(fbdev);
unlock_fb_info(fbi);
return r;
}

25
drivers/video/omap2/omapfb/omapfb-sysfs.c
View File

@ -57,7 +57,8 @@ static ssize_t store_rotate_type(struct device *dev,
if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB)
return -EINVAL;
lock_fb_info(fbi);
if (!lock_fb_info(fbi))
return -ENODEV;
r = 0;
if (rot_type == ofbi->rotation_type)
@ -105,7 +106,8 @@ static ssize_t store_mirror(struct device *dev,
if (mirror != 0 && mirror != 1)
return -EINVAL;
lock_fb_info(fbi);
if (!lock_fb_info(fbi))
return -ENODEV;
ofbi->mirror = mirror;
@ -137,8 +139,9 @@ static ssize_t show_overlays(struct device *dev,
ssize_t l = 0;
int t;
if (!lock_fb_info(fbi))
return -ENODEV;
omapfb_lock(fbdev);
lock_fb_info(fbi);
for (t = 0; t < ofbi->num_overlays; t++) {
struct omap_overlay *ovl = ofbi->overlays[t];
@ -154,8 +157,8 @@ static ssize_t show_overlays(struct device *dev,
l += snprintf(buf + l, PAGE_SIZE - l, "\n");
unlock_fb_info(fbi);
omapfb_unlock(fbdev);
unlock_fb_info(fbi);
return l;
}
@ -195,8 +198,9 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
if (buf[len - 1] == '\n')
len = len - 1;
if (!lock_fb_info(fbi))
return -ENODEV;
omapfb_lock(fbdev);
lock_fb_info(fbi);
if (len > 0) {
char *p = (char *)buf;
@ -303,8 +307,8 @@ static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
r = count;
out:
unlock_fb_info(fbi);
omapfb_unlock(fbdev);
unlock_fb_info(fbi);
return r;
}
@ -317,7 +321,8 @@ static ssize_t show_overlays_rotate(struct device *dev,
ssize_t l = 0;
int t;
lock_fb_info(fbi);
if (!lock_fb_info(fbi))
return -ENODEV;
for (t = 0; t < ofbi->num_overlays; t++) {
l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
@ -345,7 +350,8 @@ static ssize_t store_overlays_rotate(struct device *dev,
if (buf[len - 1] == '\n')
len = len - 1;
lock_fb_info(fbi);
if (!lock_fb_info(fbi))
return -ENODEV;
if (len > 0) {
char *p = (char *)buf;
@ -416,7 +422,8 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr,
size = PAGE_ALIGN(simple_strtoul(buf, NULL, 0));
lock_fb_info(fbi);
if (!lock_fb_info(fbi))
return -ENODEV;
for (i = 0; i < ofbi->num_overlays; i++) {
if (ofbi->overlays[i]->info.enabled) {