diff options
23 files changed, 402 insertions, 135 deletions
diff --git a/Documentation/devicetree/bindings/video/atmel,lcdc.txt b/Documentation/devicetree/bindings/video/atmel,lcdc.txt new file mode 100644 index 000000000000..1ec175eddca8 --- /dev/null +++ b/Documentation/devicetree/bindings/video/atmel,lcdc.txt @@ -0,0 +1,75 @@ +Atmel LCDC Framebuffer +----------------------------------------------------- + +Required properties: +- compatible : + "atmel,at91sam9261-lcdc" , + "atmel,at91sam9263-lcdc" , + "atmel,at91sam9g10-lcdc" , + "atmel,at91sam9g45-lcdc" , + "atmel,at91sam9g45es-lcdc" , + "atmel,at91sam9rl-lcdc" , + "atmel,at32ap-lcdc" +- reg : Should contain 1 register ranges(address and length) +- interrupts : framebuffer controller interrupt +- display: a phandle pointing to the display node + +Required nodes: +- display: a display node is required to initialize the lcd panel + This should be in the board dts. +- default-mode: a videomode within the display with timing parameters + as specified below. + +Example: + + fb0: fb@0x00500000 { + compatible = "atmel,at91sam9g45-lcdc"; + reg = <0x00500000 0x1000>; + interrupts = <23 3 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fb>; + display = <&display0>; + status = "okay"; + #address-cells = <1>; + #size-cells = <1>; + + }; + +Atmel LCDC Display +----------------------------------------------------- +Required properties (as per of_videomode_helper): + + - atmel,dmacon: dma controler configuration + - atmel,lcdcon2: lcd controler configuration + - atmel,guard-time: lcd guard time (Delay in frame periods) + - bits-per-pixel: lcd panel bit-depth. + +Optional properties (as per of_videomode_helper): + - atmel,lcdcon-backlight: enable backlight + - atmel,lcd-wiring-mode: lcd wiring mode "RGB" or "BRG" + - atmel,power-control-gpio: gpio to power on or off the LCD (as many as needed) + +Example: + display0: display { + bits-per-pixel = <32>; + atmel,lcdcon-backlight; + atmel,dmacon = <0x1>; + atmel,lcdcon2 = <0x80008002>; + atmel,guard-time = <9>; + atmel,lcd-wiring-mode = <1>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <9000000>; + hactive = <480>; + vactive = <272>; + hback-porch = <1>; + hfront-porch = <1>; + vback-porch = <40>; + vfront-porch = <1>; + hsync-len = <45>; + vsync-len = <1>; + }; + }; + }; diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 629ea5fc95cf..b2a34740146a 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -465,7 +465,7 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -498,7 +498,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) { return; @@ -559,7 +559,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 858c8aac2daf..4aeadddbc181 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -832,7 +832,7 @@ void __init at91_add_device_can(struct at91_can_data *data) {} #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -859,7 +859,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) return; @@ -891,7 +891,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index acb703e13331..cb36fa872d30 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -965,7 +965,7 @@ void __init at91_add_device_isi(struct isi_platform_data *data, #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -991,7 +991,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) return; @@ -1037,7 +1037,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 352468f265a9..a698bdab2cce 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -498,7 +498,7 @@ void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -525,7 +525,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) { return; @@ -557,7 +557,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index d3437624ca4e..473546b9408b 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -389,7 +389,7 @@ static struct fb_monspecs at91fb_default_stn_monspecs = { | ATMEL_LCDC_IFWIDTH_4 \ | ATMEL_LCDC_SCANMOD_SINGLE) -static void at91_lcdc_stn_power_control(int on) +static void at91_lcdc_stn_power_control(struct atmel_lcdfb_pdata *pdata, int on) { /* backlight */ if (on) { /* power up */ @@ -401,7 +401,7 @@ static void at91_lcdc_stn_power_control(int on) } } -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .default_bpp = 1, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2, @@ -445,7 +445,7 @@ static struct fb_monspecs at91fb_default_tft_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_tft_power_control(int on) +static void at91_lcdc_tft_power_control(struct atmel_lcdfb_pdata *pdata, int on) { if (on) at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */ @@ -453,7 +453,7 @@ static void at91_lcdc_tft_power_control(int on) at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */ } -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -465,7 +465,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { #endif #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index 3284df05df14..8b4942cbb6d9 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -275,13 +275,13 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_power_control(int on) +static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { at91_set_gpio_value(AT91_PIN_PA30, on); } /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -292,7 +292,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index 2a94896a1375..ef39078c8ce2 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -284,7 +284,7 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 32, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -295,7 +295,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index aa265dcf2128..604eecf6cd70 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -170,7 +170,7 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_power_control(int on) +static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { if (on) at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */ @@ -179,7 +179,7 @@ static void at91_lcdc_power_control(int on) } /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -191,7 +191,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board.h b/arch/arm/mach-at91/board.h index 4a234fb2ab3b..6c08b341167d 100644 --- a/arch/arm/mach-at91/board.h +++ b/arch/arm/mach-at91/board.h @@ -107,8 +107,8 @@ extern void __init at91_add_device_pwm(u32 mask); extern void __init at91_add_device_ssc(unsigned id, unsigned pins); /* LCD Controller */ -struct atmel_lcdfb_info; -extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); +struct atmel_lcdfb_pdata; +extern void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data); /* AC97 */ extern void __init at91_add_device_ac97(struct ac97c_platform_data *data); diff --git a/arch/avr32/boards/atngw100/evklcd10x.c b/arch/avr32/boards/atngw100/evklcd10x.c index 20388750d564..64919b0da7aa 100644 --- a/arch/avr32/boards/atngw100/evklcd10x.c +++ b/arch/avr32/boards/atngw100/evklcd10x.c @@ -58,7 +58,7 @@ static struct fb_monspecs __initdata atevklcd10x_default_monspecs = { .dclkmax = 28330000, }; -static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata atevklcd10x_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT @@ -96,7 +96,7 @@ static struct fb_monspecs __initdata atevklcd10x_default_monspecs = { .dclkmax = 7000000, }; -static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata atevklcd10x_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT @@ -134,7 +134,7 @@ static struct fb_monspecs __initdata atevklcd10x_default_monspecs = { .dclkmax = 6400000, }; -static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata atevklcd10x_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT @@ -145,7 +145,7 @@ static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = { }; #endif -static void atevklcd10x_lcdc_power_control(int on) +static void atevklcd10x_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { gpio_set_value(GPIO_PIN_PB(15), on); } diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c index 7de083d19b7e..1ba09e4c02b1 100644 --- a/arch/avr32/boards/atngw100/mrmt.c +++ b/arch/avr32/boards/atngw100/mrmt.c @@ -83,7 +83,7 @@ static struct fb_monspecs __initdata lcd_fb_default_monspecs = { .dclkmax = 9260000, }; -static struct atmel_lcdfb_info __initdata rmt_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = { .default_bpp = 24, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT @@ -126,7 +126,7 @@ static struct fb_monspecs __initdata lcd_fb_default_monspecs = { .dclkmax = 9260000, }; -static struct atmel_lcdfb_info __initdata rmt_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = { .default_bpp = 24, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/boards/atstk1000/atstk1000.h b/arch/avr32/boards/atstk1000/atstk1000.h index 9392d3252865..653cc09e536c 100644 --- a/arch/avr32/boards/atstk1000/atstk1000.h +++ b/arch/avr32/boards/atstk1000/atstk1000.h @@ -10,7 +10,7 @@ #ifndef __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H #define __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H -extern struct atmel_lcdfb_info atstk1000_lcdc_data; +extern struct atmel_lcdfb_pdata atstk1000_lcdc_data; void atstk1000_setup_j2_leds(void); diff --git a/arch/avr32/boards/atstk1000/setup.c b/arch/avr32/boards/atstk1000/setup.c index 2d6b560115d9..b6b88f5e0b43 100644 --- a/arch/avr32/boards/atstk1000/setup.c +++ b/arch/avr32/boards/atstk1000/setup.c @@ -55,7 +55,7 @@ static struct fb_monspecs __initdata atstk1000_default_monspecs = { .dclkmax = 30000000, }; -struct atmel_lcdfb_info __initdata atstk1000_lcdc_data = { +struct atmel_lcdfb_pdata __initdata atstk1000_lcdc_data = { .default_bpp = 24, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/boards/favr-32/setup.c b/arch/avr32/boards/favr-32/setup.c index 27bd6fbe21cb..7b1f2cd85400 100644 --- a/arch/avr32/boards/favr-32/setup.c +++ b/arch/avr32/boards/favr-32/setup.c @@ -125,7 +125,7 @@ static struct fb_monspecs __initdata favr32_default_monspecs = { .dclkmax = 28000000, }; -struct atmel_lcdfb_info __initdata favr32_lcdc_data = { +struct atmel_lcdfb_pdata __initdata favr32_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/boards/hammerhead/setup.c b/arch/avr32/boards/hammerhead/setup.c index 9d1efd1cd425..dc0e317f2ecd 100644 --- a/arch/avr32/boards/hammerhead/setup.c +++ b/arch/avr32/boards/hammerhead/setup.c @@ -77,7 +77,7 @@ static struct fb_monspecs __initdata hammerhead_hda350t_monspecs = { .dclkmax = 10000000, }; -struct atmel_lcdfb_info __initdata hammerhead_lcdc_data = { +struct atmel_lcdfb_pdata __initdata hammerhead_lcdc_data = { .default_bpp = 24, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/boards/merisc/display.c b/arch/avr32/boards/merisc/display.c index 85a543cd4abc..e7683ee7ed40 100644 --- a/arch/avr32/boards/merisc/display.c +++ b/arch/avr32/boards/merisc/display.c @@ -45,7 +45,7 @@ static struct fb_monspecs merisc_fb_monspecs = { .dclkmax = 30000000, }; -struct atmel_lcdfb_info merisc_lcdc_data = { +struct atmel_lcdfb_pdata merisc_lcdc_data = { .default_bpp = 24, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/boards/mimc200/setup.c b/arch/avr32/boards/mimc200/setup.c index 05358aa5ef7d..1cb8e9cc5cfa 100644 --- a/arch/avr32/boards/mimc200/setup.c +++ b/arch/avr32/boards/mimc200/setup.c @@ -8,7 +8,7 @@ * published by the Free Software Foundation. */ -extern struct atmel_lcdfb_info mimc200_lcdc_data; +extern struct atmel_lcdfb_pdata mimc200_lcdc_data; #include <linux/clk.h> #include <linux/etherdevice.h> @@ -71,7 +71,7 @@ static struct fb_monspecs __initdata mimc200_default_monspecs = { .dclkmax = 25200000, }; -struct atmel_lcdfb_info __initdata mimc200_lcdc_data = { +struct atmel_lcdfb_pdata __initdata mimc200_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN, .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index a68f3cf7c3c1..a1f4d1e91b52 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -1439,7 +1439,7 @@ fail: * LCDC * -------------------------------------------------------------------- */ #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) -static struct atmel_lcdfb_info atmel_lcdfb0_data; +static struct atmel_lcdfb_pdata atmel_lcdfb0_data; static struct resource atmel_lcdfb0_resource[] = { { .start = 0xff000000, @@ -1467,12 +1467,12 @@ static struct clk atmel_lcdfb0_pixclk = { }; struct platform_device *__init -at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, +at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_pdata *data, unsigned long fbmem_start, unsigned long fbmem_len, u64 pin_mask) { struct platform_device *pdev; - struct atmel_lcdfb_info *info; + struct atmel_lcdfb_pdata *info; struct fb_monspecs *monspecs; struct fb_videomode *modedb; unsigned int modedb_size; @@ -1529,7 +1529,7 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, } info = pdev->dev.platform_data; - memcpy(info, data, sizeof(struct atmel_lcdfb_info)); + memcpy(info, data, sizeof(struct atmel_lcdfb_pdata)); info->default_monspecs = monspecs; pdev->name = "at32ap-lcdfb"; diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h index d485b0391357..f1a316d52c73 100644 --- a/arch/avr32/mach-at32ap/include/mach/board.h +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -44,9 +44,9 @@ struct platform_device * at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); void at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, unsigned int n); -struct atmel_lcdfb_info; +struct atmel_lcdfb_pdata; struct platform_device * -at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, +at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_pdata *data, unsigned long fbmem_start, unsigned long fbmem_len, u64 pin_mask); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 4cf1e1dd5621..46544d069d7c 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -996,6 +996,8 @@ config FB_ATMEL select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_MODE_HELPERS + select VIDEOMODE_HELPERS help This enables support for the AT91/AT32 LCD Controller. diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index effdb373b8db..ece49d53145a 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -20,12 +20,55 @@ #include <linux/gfp.h> #include <linux/module.h> #include <linux/platform_data/atmel.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> +#include <video/of_display_timing.h> +#include <video/videomode.h> #include <mach/cpu.h> #include <asm/gpio.h> #include <video/atmel_lcdc.h> +struct atmel_lcdfb_config { + bool have_alt_pixclock; + bool have_hozval; + bool have_intensity_bit; +}; + + /* LCD Controller info data structure, stored in device platform_data */ +struct atmel_lcdfb_info { + spinlock_t lock; + struct fb_info *info; + void __iomem *mmio; + int irq_base; + struct work_struct task; + + unsigned int smem_len; + struct platform_device *pdev; + struct clk *bus_clk; + struct clk *lcdc_clk; + + struct backlight_device *backlight; + u8 bl_power; + u8 saved_lcdcon; + + u32 pseudo_palette[16]; + bool have_intensity_bit; + + struct atmel_lcdfb_pdata pdata; + + struct atmel_lcdfb_config *config; +}; + +struct atmel_lcdfb_power_ctrl_gpio { + int gpio; + int active_low; + + struct list_head list; +}; + #define lcdc_readl(sinfo, reg) __raw_readl((sinfo)->mmio+(reg)) #define lcdc_writel(sinfo, reg, val) __raw_writel((val), (sinfo)->mmio+(reg)) @@ -34,12 +77,6 @@ #define ATMEL_LCDC_DMA_BURST_LEN 8 /* words */ #define ATMEL_LCDC_FIFO_SIZE 512 /* words */ -struct atmel_lcdfb_config { - bool have_alt_pixclock; - bool have_hozval; - bool have_intensity_bit; -}; - static struct atmel_lcdfb_config at91sam9261_config = { .have_hozval = true, .have_intensity_bit = true, @@ -248,18 +285,27 @@ static void exit_backlight(struct atmel_lcdfb_info *sinfo) static void init_contrast(struct atmel_lcdfb_info *sinfo) { + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; + /* contrast pwm can be 'inverted' */ - if (sinfo->lcdcon_pol_negative) + if (pdata->lcdcon_pol_negative) contrast_ctr &= ~(ATMEL_LCDC_POL_POSITIVE); /* have some default contrast/backlight settings */ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); - if (sinfo->lcdcon_is_backlight) + if (pdata->lcdcon_is_backlight) init_backlight(sinfo); } +static inline void atmel_lcdfb_power_control(struct atmel_lcdfb_info *sinfo, int on) +{ + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; + + if (pdata->atmel_lcdfb_power_control) + pdata->atmel_lcdfb_power_control(pdata, on); +} static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { .type = FB_TYPE_PACKED_PIXELS, @@ -299,9 +345,11 @@ static unsigned long compute_hozval(struct atmel_lcdfb_info *sinfo, static void atmel_lcdfb_stop_nowait(struct atmel_lcdfb_info *sinfo) { + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; + /* Turn off the LCD controller and the DMA controller */ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, - sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); + pdata->guard_time << ATMEL_LCDC_GUARDT_OFFSET); /* Wait for the LCDC core to become idle */ while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) @@ -321,9 +369,11 @@ static void atmel_lcdfb_stop(struct atmel_lcdfb_info *sinfo) static void atmel_lcdfb_start(struct atmel_lcdfb_info *sinfo) { - lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; + + lcdc_writel(sinfo, ATMEL_LCDC_DMACON, pdata->default_dmacon); lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, - (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) + (pdata->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); } @@ -424,6 +474,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, { struct device *dev = info->device; struct atmel_lcdfb_info *sinfo = info->par; + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; unsigned long clk_value_khz; clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; @@ -510,7 +561,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, else var->green.length = 6; - if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { + if (pdata->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { /* RGB:5X5 mode */ var->red.offset = var->green.length + 5; var->blue.offset = 0; @@ -527,7 +578,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->transp.length = 8; /* fall through */ case 24: - if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { + if (pdata->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { /* RGB:888 mode */ var->red.offset = 16; var->blue.offset = 0; @@ -576,6 +627,7 @@ static void atmel_lcdfb_reset(struct atmel_lcdfb_info *sinfo) static int atmel_lcdfb_set_par(struct fb_info *info) { struct atmel_lcdfb_info *sinfo = info->par; + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; unsigned long hozval_linesz; unsigned long value; unsigned long clk_value_khz; @@ -637,7 +689,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) /* Initialize control register 2 */ - value = sinfo->default_lcdcon2; + value = pdata->default_lcdcon2; if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) value |= ATMEL_LCDC_INVLINE_INVERTED; @@ -741,6 +793,7 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, unsigned int transp, struct fb_info *info) { struct atmel_lcdfb_info *sinfo = info->par; + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; unsigned int val; u32 *pal; int ret = 1; @@ -777,8 +830,7 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, */ } else { /* new style BGR:565 / RGB:565 */ - if (sinfo->lcd_wiring_mode == - ATMEL_LCDC_WIRING_RGB) { + if (pdata->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) { val = ((blue >> 11) & 0x001f); val |= ((red >> 0) & 0xf800); } else { @@ -912,16 +964,187 @@ static void atmel_lcdfb_stop_clock(struct atmel_lcdfb_info *sinfo) clk_disable(sinfo->lcdc_clk); } +#ifdef CONFIG_OF +static const struct of_device_id atmel_lcdfb_dt_ids[] = { + { .compatible = "atmel,at91sam9261-lcdc" , .data = &at91sam9261_config, }, + { .compatible = "atmel,at91sam9263-lcdc" , .data = &at91sam9263_config, }, + { .compatible = "atmel,at91sam9g10-lcdc" , .data = &at91sam9g10_config, }, + { .compatible = "atmel,at91sam9g45-lcdc" , .data = &at91sam9g45_config, }, + { .compatible = "atmel,at91sam9g45es-lcdc" , .data = &at91sam9g45es_config, }, + { .compatible = "atmel,at91sam9rl-lcdc" , .data = &at91sam9rl_config, }, + { .compatible = "atmel,at32ap-lcdc" , .data = &at32ap_config, }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, atmel_lcdfb_dt_ids); + +static const char *atmel_lcdfb_wiring_modes[] = { + [ATMEL_LCDC_WIRING_BGR] = "BRG", + [ATMEL_LCDC_WIRING_RGB] = "RGB", +}; + +const int atmel_lcdfb_get_of_wiring_modes(struct device_node *np) +{ + const char *mode; + int err, i; + + err = of_property_read_string(np, "atmel,lcd-wiring-mode", &mode); + if (err < 0) + return ATMEL_LCDC_WIRING_BGR; + + for (i = 0; i < ARRAY_SIZE(atmel_lcdfb_wiring_modes); i++) + if (!strcasecmp(mode, atmel_lcdfb_wiring_modes[i])) + return i; + + return -ENODEV; +} + +static void atmel_lcdfb_power_control_gpio(struct atmel_lcdfb_pdata *pdata, int on) +{ + struct atmel_lcdfb_power_ctrl_gpio *og; + + list_for_each_entry(og, &pdata->pwr_gpios, list) + gpio_set_value(og->gpio, on); +} + +static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) +{ + struct fb_info *info = sinfo->info; + struct atmel_lcdfb_pdata *pdata = &sinfo->pdata; + struct fb_var_screeninfo *var = &info->var; + struct device *dev = &sinfo->pdev->dev; + struct device_node *np =dev->of_node; + struct device_node *display_np; + struct device_node *timings_np; + struct display_timings *timings; + enum of_gpio_flags flags; + struct atmel_lcdfb_power_ctrl_gpio *og; + bool is_gpio_power = false; + int ret = -ENOENT; + int i, gpio; + + sinfo->config = (struct atmel_lcdfb_config*) + of_match_device(atmel_lcdfb_dt_ids, dev)->data; + + display_np = of_parse_phandle(np, "display", 0); + if (!display_np) { + dev_err(dev, "failed to find display phandle\n"); + return -ENOENT; + } + + ret = of_property_read_u32(display_np, "bits-per-pixel", &var->bits_per_pixel); + if (ret < 0) { + dev_err(dev, "failed to get property bits-per-pixel\n"); + goto put_display_node; + } + + ret = of_property_read_u32(display_np, "atmel,guard-time", &pdata->guard_time); + if (ret < 0) { + dev_err(dev, "failed to get property atmel,guard-time\n"); + goto put_display_node; + } + + ret = of_property_read_u32(display_np, "atmel,lcdcon2", &pdata->default_lcdcon2); + if (ret < 0) { + dev_err(dev, "failed to get property atmel,lcdcon2\n"); + goto put_display_node; + } + + ret = of_property_read_u32(display_np, "atmel,dmacon", &pdata->default_dmacon); + if (ret < 0) { + dev_err(dev, "failed to get property bits-per-pixel\n"); + goto put_display_node; + } + + ret = -ENOMEM; + for (i = 0; i < of_gpio_named_count(display_np, "atmel,power-control-gpio"); i++) { + gpio = of_get_named_gpio_flags(display_np, "atmel,power-control-gpio", + i, &flags); + if (gpio < 0) + continue; + + og = devm_kzalloc(dev, sizeof(*og), GFP_KERNEL); + if (!og) + goto put_display_node; + + og->gpio = gpio; + og->active_low = flags & OF_GPIO_ACTIVE_LOW; + is_gpio_power = true; + ret = devm_gpio_request(dev, gpio, "lcd-power-control-gpio"); + if (ret) { + dev_err(dev, "request gpio %d failed\n", gpio); + goto put_display_node; + } + + ret = gpio_direction_output(gpio, og->active_low); + if (ret) { + dev_err(dev, "set direction output gpio %d failed\n", gpio); + goto put_display_node; + } + } + + if (is_gpio_power) + pdata->atmel_lcdfb_power_control = atmel_lcdfb_power_control_gpio; + + ret = atmel_lcdfb_get_of_wiring_modes(display_np); + if (ret < 0) { + dev_err(dev, "invalid atmel,lcd-wiring-mode\n"); + goto put_display_node; + } + pdata->lcd_wiring_mode = ret; + + pdata->lcdcon_is_backlight = of_property_read_bool(display_np, "atmel,lcdcon-backlight"); + + timings = of_get_display_timings(display_np); + if (!timings) { + dev_err(dev, "failed to get display timings\n"); + goto put_display_node; + } + + timings_np = of_find_node_by_name(display_np, "display-timings"); + if (!timings_np) { + dev_err(dev, "failed to find display-timings node\n"); + goto put_display_node; + } + + for (i = 0; i < of_get_child_count(timings_np); i++) { + struct videomode vm; + struct fb_videomode fb_vm; + + ret = videomode_from_timings(timings, &vm, i); + if (ret < 0) + goto put_timings_node; + ret = fb_videomode_from_videomode(&vm, &fb_vm); + if (ret < 0) + goto put_timings_node; + + fb_add_videomode(&fb_vm, &info->modelist); + } + + return 0; + +put_timings_node: + of_node_put(timings_np); +put_display_node: + of_node_put(display_np); + return ret; +} +#else +static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) +{ + return 0; +} +#endif static int __init atmel_lcdfb_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct fb_info *info; struct atmel_lcdfb_info *sinfo; - struct atmel_lcdfb_info *pdata_sinfo; - struct fb_videomode fbmode; + struct atmel_lcdfb_pdata *pdata = NULL; struct resource *regs = NULL; struct resource *map = NULL; + struct fb_modelist *modelist; int ret; dev_dbg(dev, "%s BEGIN\n", __func__); @@ -934,26 +1157,35 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) } sinfo = info->par; + sinfo->pdev = pdev; + sinfo->info = info; - if (dev->platform_data) { - pdata_sinfo = (struct atmel_lcdfb_info *)dev->platform_data; - sinfo->default_bpp = pdata_sinfo->default_bpp; - sinfo->default_dmacon = pdata_sinfo->default_dmacon; - sinfo->default_lcdcon2 = pdata_sinfo->default_lcdcon2; - sinfo->default_monspecs = pdata_sinfo->default_monspecs; - sinfo->atmel_lcdfb_power_control = pdata_sinfo->atmel_lcdfb_power_control; - sinfo->guard_time = pdata_sinfo->guard_time; - sinfo->smem_len = pdata_sinfo->smem_len; - sinfo->lcdcon_is_backlight = pdata_sinfo->lcdcon_is_backlight; - sinfo->lcdcon_pol_negative = pdata_sinfo->lcdcon_pol_negative; - sinfo->lcd_wiring_mode = pdata_sinfo->lcd_wiring_mode; + INIT_LIST_HEAD(&info->modelist); + + if (pdev->dev.of_node) { + ret = atmel_lcdfb_of_init(sinfo); + if (ret) + goto free_info; + } else if (dev->platform_data) { + struct fb_monspecs *monspecs; + int i; + + pdata = dev->platform_data; + monspecs = pdata->default_monspecs; + sinfo->pdata = *pdata; + + for (i = 0; i < monspecs->modedb_len; i++) + fb_add_videomode(&monspecs->modedb[i], &info->modelist); + + sinfo->config = atmel_lcdfb_get_config(pdev); + + info->var.bits_per_pixel = pdata->default_bpp ? pdata->default_bpp : 16; + memcpy(&info->monspecs, pdata->default_monspecs, sizeof(info->monspecs)); } else { dev_err(dev, "cannot get default configuration\n"); goto free_info; } - sinfo->info = info; - sinfo->pdev = pdev; - sinfo->config = atmel_lcdfb_get_config(pdev); + if (!sinfo->config) goto free_info; @@ -962,7 +1194,6 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) info->pseudo_palette = sinfo->pseudo_palette; info->fbops = &atmel_lcdfb_ops; - memcpy(&info->monspecs, sinfo->default_monspecs, sizeof(info->monspecs)); info->fix = atmel_lcdfb_fix; /* Enable LCDC Clocks */ @@ -978,14 +1209,11 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) } atmel_lcdfb_start_clock(sinfo); - ret = fb_find_mode(&info->var, info, NULL, info->monspecs.modedb, - info->monspecs.modedb_len, info->monspecs.modedb, - sinfo->default_bpp); - if (!ret) { - dev_err(dev, "no suitable video mode found\n"); - goto stop_clk; - } + modelist = list_first_entry(&info->modelist, + struct fb_modelist, list); + fb_videomode_to_var(&info->var, &modelist->mode); + atmel_lcdfb_check_var(&info->var, info); regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!regs) { @@ -1069,18 +1297,6 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) goto unregister_irqs; } - /* - * This makes sure that our colour bitfield - * descriptors are correctly initialised. - */ - atmel_lcdfb_check_var(&info->var, info); - - ret = fb_set_var(info, &info->var); - if (ret) { - dev_warn(dev, "unable to set display parameters\n"); - goto free_cmap; - } - dev_set_drvdata(dev, info); /* @@ -1092,13 +1308,8 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) goto reset_drvdata; } - /* add selected videomode to modelist */ - fb_var_to_videomode(&fbmode, &info->var); - fb_add_videomode(&fbmode, &info->modelist); - /* Power up the LCDC screen */ - if (sinfo->atmel_lcdfb_power_control) - sinfo->atmel_lcdfb_power_control(1); + atmel_lcdfb_power_control(sinfo, 1); dev_info(dev, "fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %d\n", info->node, info->fix.mmio_start, sinfo->mmio, sinfo->irq_base); @@ -1107,7 +1318,6 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) reset_drvdata: dev_set_drvdata(dev, NULL); -free_cmap: fb_dealloc_cmap(&info->cmap); unregister_irqs: cancel_work_sync(&sinfo->task); @@ -1143,15 +1353,16 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct fb_info *info = dev_get_drvdata(dev); struct atmel_lcdfb_info *sinfo; + struct atmel_lcdfb_pdata *pdata; if (!info || !info->par) return 0; sinfo = info->par; + pdata = &sinfo->pdata; cancel_work_sync(&sinfo->task); exit_backlight(sinfo); - if (sinfo->atmel_lcdfb_power_control) - sinfo->atmel_lcdfb_power_control(0); + atmel_lcdfb_power_control(sinfo, 0); unregister_framebuffer(info); atmel_lcdfb_stop_clock(sinfo); clk_put(sinfo->lcdc_clk); @@ -1188,9 +1399,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0); - if (sinfo->atmel_lcdfb_power_control) - sinfo->atmel_lcdfb_power_control(0); - + atmel_lcdfb_power_control(sinfo, 0); atmel_lcdfb_stop(sinfo); atmel_lcdfb_stop_clock(sinfo); @@ -1204,8 +1413,7 @@ static int atmel_lcdfb_resume(struct platform_device *pdev) atmel_lcdfb_start_clock(sinfo); atmel_lcdfb_start(sinfo); - if (sinfo->atmel_lcdfb_power_control) - sinfo->atmel_lcdfb_power_control(1); + atmel_lcdfb_power_control(sinfo, 1); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon); /* Enable FIFO & DMA errors */ @@ -1228,6 +1436,7 @@ static struct platform_driver atmel_lcdfb_driver = { .driver = { .name = "atmel_lcdfb", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(atmel_lcdfb_dt_ids), }, }; diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h index 0f5a2fc69af9..c79f38131926 100644 --- a/include/video/atmel_lcdc.h +++ b/include/video/atmel_lcdc.h @@ -31,39 +31,20 @@ #define ATMEL_LCDC_WIRING_BGR 0 #define ATMEL_LCDC_WIRING_RGB 1 -struct atmel_lcdfb_config; /* LCD Controller info data structure, stored in device platform_data */ -struct atmel_lcdfb_info { - spinlock_t lock; - struct fb_info *info; - void __iomem *mmio; - int irq_base; - struct work_struct task; - +struct atmel_lcdfb_pdata { unsigned int guard_time; - unsigned int smem_len; - struct platform_device *pdev; - struct clk *bus_clk; - struct clk *lcdc_clk; - -#ifdef CONFIG_BACKLIGHT_ATMEL_LCDC - struct backlight_device *backlight; - u8 bl_power; -#endif bool lcdcon_is_backlight; bool lcdcon_pol_negative; - u8 saved_lcdcon; - u8 default_bpp; u8 lcd_wiring_mode; unsigned int default_lcdcon2; unsigned int default_dmacon; - void (*atmel_lcdfb_power_control)(int on); + void (*atmel_lcdfb_power_control)(struct atmel_lcdfb_pdata *pdata, int on); struct fb_monspecs *default_monspecs; - u32 pseudo_palette[16]; - struct atmel_lcdfb_config *config; + struct list_head pwr_gpios; }; #define ATMEL_LCDC_DMABADDR1 0x00 |