[PATCH 7/8] ARM: S5PV210: add framebuffer platform helpers for s5pv210 based machines
Marek Szyprowski
m.szyprowski at samsung.com
Thu Mar 25 07:15:18 EDT 2010
This patch adds common framebuffer device helpers and register defines
for S5PV210 based machines.
Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
arch/arm/mach-s5pv210/Kconfig | 5 ++
arch/arm/mach-s5pv210/Makefile | 4 ++
arch/arm/mach-s5pv210/include/mach/irqs.h | 5 ++
arch/arm/mach-s5pv210/include/mach/map.h | 3 +
arch/arm/mach-s5pv210/include/mach/regs-clock.h | 1 +
arch/arm/mach-s5pv210/setup-fb-24bpp.c | 62 +++++++++++++++++++++++
arch/arm/plat-samsung/include/plat/fb.h | 7 +++
7 files changed, 87 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-s5pv210/setup-fb-24bpp.c
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index c42bcba..3717b52 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -15,6 +15,11 @@ config CPU_S5PV210
help
Enable S5PV210 CPU support
+config S5PV210_SETUP_FB_24BPP
+ bool
+ help
+ Common setup code for S5PV210 with an 24bpp RGB display helper.
+
config MACH_SMDKV210
bool "SMDKV210"
select CPU_S5PV210
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 67068c4..9a0af8b 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -14,6 +14,10 @@ obj- :=
obj-$(CONFIG_CPU_S5PV210) += cpu.o init.o clock.o gpio.o
+# Helper and device support
+
+obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
+
# machine support
obj-$(CONFIG_MACH_SMDKV210) += mach-smdkv210.o
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
index 62c5175..ee6e07b 100644
--- a/arch/arm/mach-s5pv210/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -143,4 +143,9 @@
#define NR_IRQS (IRQ_EINT(31) + 1)
+/* Compatibility */
+#define IRQ_LCD_FIFO IRQ_LCD0
+#define IRQ_LCD_VSYNC IRQ_LCD1
+#define IRQ_LCD_SYSTEM IRQ_LCD2
+
#endif /* ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index c22694c..5903056 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -43,6 +43,8 @@
#define S5PV210_PA_SROMC (0xE8000000)
+#define S5PV210_PA_FB (0xF8000000)
+
#define S5PV210_PA_VIC0 (0xF2000000)
#define S5P_PA_VIC0 S5PV210_PA_VIC0
@@ -61,5 +63,6 @@
/* compatibiltiy defines. */
#define S3C_PA_UART S5PV210_PA_UART
#define S3C_PA_IIC S5PV210_PA_IIC0
+#define S3C_PA_FB S5PV210_PA_FB
#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
index 40dd24f..0a3d7ad 100644
--- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h
+++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
@@ -128,6 +128,7 @@
#define S5P_RST_STAT S5P_CLKREG(0xA000)
#define S5P_OSC_CON S5P_CLKREG(0x8000)
+#define S5P_MDNIE_SEL S5P_CLKREG(0x7008)
#define S5P_MIPI_PHY_CON0 S5P_CLKREG(0x7200)
#define S5P_MIPI_PHY_CON1 S5P_CLKREG(0x7204)
#define S5P_MIPI_CONTROL S5P_CLKREG(0xE814)
diff --git a/arch/arm/mach-s5pv210/setup-fb-24bpp.c b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
new file mode 100644
index 0000000..b039a55
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
@@ -0,0 +1,62 @@
+/*
+ * linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
+ *
+ * Copyright 2009 Samsung Electronics
+ *
+ * Base s5pv210 setup information for 24bpp LCD framebuffer
+ *
+ * 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/types.h>
+#include <linux/fb.h>
+
+#include <mach/regs-fb.h>
+#include <mach/gpio.h>
+#include <mach/map.h>
+#include <plat/fb.h>
+#include <mach/regs-clock.h>
+#include <plat/gpio-cfg.h>
+
+void s5pv210_fb_gpio_setup_24bpp(void)
+{
+ unsigned int gpio = 0;
+
+ for (gpio = S5PV210_GPF0(0); gpio <= S5PV210_GPF0(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+ }
+
+ for (gpio = S5PV210_GPF1(0); gpio <= S5PV210_GPF1(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+ }
+
+ for (gpio = S5PV210_GPF2(0); gpio <= S5PV210_GPF2(7); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+ }
+
+ for (gpio = S5PV210_GPF3(0); gpio <= S5PV210_GPF3(3); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
+ }
+
+ /* Set DISPLAY_CONTROL register for Display path selection.
+ *
+ * ouput | RGB | I80 | ITU
+ * -----------------------------------
+ * 00 | MIE | FIMD | FIMD
+ * 01 | MDNIE | MDNIE | FIMD
+ * 10 | FIMD | FIMD | FIMD
+ * 11 | FIMD | FIMD | FIMD
+ */
+ writel(0x2, S5P_MDNIE_SEL);
+}
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index ffc01a7..3b30d7b 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -77,4 +77,11 @@ extern void s3c64xx_fb_gpio_setup_24bpp(void);
*/
extern void s5pc100_fb_gpio_setup_24bpp(void);
+/**
+ * s5pv210_fb_gpio_setup_24bpp() - S5PV210/S5PC110 setup function for 24bpp LCD
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
+ */
+extern void s5pv210_fb_gpio_setup_24bpp(void);
+
#endif /* __PLAT_S3C_FB_H */
--
1.6.4
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