[PATCH 4/6] pxa: support frame buffer on pxa910 ttc_dkb platform
From: Jun Nie <hidden>
Date: 2009-11-03 06:45:39
pxa: support frame buffer on pxa910 ttc_dkb platform Signed-off-by: Jun Nie <redacted> --- arch/arm/configs/pxa910_defconfig | 39 ++++++++- arch/arm/mach-mmp/include/mach/pxa910.h | 8 ++ arch/arm/mach-mmp/pxa910.c | 4 + arch/arm/mach-mmp/ttc_dkb.c | 141 +++++++++++++++++++++++++++++++ 4 files changed, 191 insertions(+), 1 deletions(-)
diff --git a/arch/arm/configs/pxa910_defconfigb/arch/arm/configs/pxa910_defconfig index 8c7e299..b9b1a85 100644
--- a/arch/arm/configs/pxa910_defconfig
+++ b/arch/arm/configs/pxa910_defconfig@@ -578,7 +578,34 @@ 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_S1D13XXX is not set +CONFIG_FB_PXA168=y +# 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_BACKLIGHT_LCD_SUPPORT is not set #
@@ -591,6 +618,16 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +CONFIG_LOGO_LINUX_VGA16=y +CONFIG_LOGO_LINUX_CLUT224=y # CONFIG_SOUND is not set # CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set
diff --git a/arch/arm/mach-mmp/include/mach/pxa910.hb/arch/arm/mach-mmp/include/mach/pxa910.h index 6ae1ed7..7698793 100644
--- a/arch/arm/mach-mmp/include/mach/pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h@@ -4,6 +4,7 @@ #include <linux/i2c.h> #include <mach/devices.h> #include <plat/i2c.h> +#include <video/pxa168fb.h> extern struct pxa_device_desc pxa910_device_uart1; extern struct pxa_device_desc pxa910_device_uart2;
@@ -13,6 +14,7 @@ extern struct pxa_device_desc pxa910_device_pwm1; extern struct pxa_device_desc pxa910_device_pwm2; extern struct pxa_device_desc pxa910_device_pwm3; extern struct pxa_device_desc pxa910_device_pwm4; +extern struct pxa_device_desc pxa910_device_fb; static inline int pxa910_add_uart(int id) {
@@ -64,4 +66,10 @@ static inline int pxa910_add_pwm(int id) return pxa_register_device(d, NULL, 0); } + +static inline int pxa910_add_fb(struct pxa168fb_mach_info *mi) +{ + return pxa_register_device(&pxa910_device_fb, mi, sizeof(*mi)); +} + #endif /* __ASM_MACH_PXA910_H */
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 5882ca6..48162a0 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c@@ -110,6 +110,8 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000); static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000); static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000); +static APMU_CLK(lcd, LCD, 0x003f, 312000000); + /* device and clock bindings */ static struct clk_lookup pxa910_clkregs[] = { INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
@@ -120,6 +122,7 @@ static struct clk_lookup pxa910_clkregs[] = { INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL), INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL), INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL), + INIT_CLKREG(&clk_lcd, "pxa910-fb", "LCDCLK"), }; static int __init pxa910_init(void)
@@ -174,3 +177,4 @@ PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE,0xd401a000, 0x10); PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10); PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10); PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10); +PXA910_DEVICE(fb, "pxa910-fb", -1, LCD, 0xd420b000, 0x1c8);
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index dbd8cfd..dc04b0d 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c@@ -14,6 +14,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/onenand.h> +#include <linux/delay.h> +#include <video/pxa168fb.h> #include <asm/mach-types.h> #include <asm/mach/arch.h>
@@ -21,6 +23,8 @@ #include <mach/addr-map.h> #include <mach/mfp-pxa910.h> #include <mach/pxa910.h> +#include <mach/gpio.h> +#include <mach/pxa168fb.h> #include "common.h"
@@ -54,8 +58,142 @@ static unsigned long ttc_dkb_pin_config[] __initdata = { DF_WEn_DF_WEn, DF_REn_DF_REn, DF_RDY0_DF_RDY0, + +#ifdef CONFIG_FB_PXA168 + /* LCD */ + GPIO81_LCD_FCLK, + GPIO82_LCD_LCLK, + GPIO83_LCD_PCLK, + GPIO84_LCD_DENA, + GPIO85_LCD_DD0, + GPIO86_LCD_DD1, + GPIO87_LCD_DD2, + GPIO88_LCD_DD3, + GPIO89_LCD_DD4, + GPIO90_LCD_DD5, + GPIO91_LCD_DD6, + GPIO92_LCD_DD7, + GPIO93_LCD_DD8, + GPIO94_LCD_DD9, + GPIO95_LCD_DD10, + GPIO96_LCD_DD11, + GPIO97_LCD_DD12, + GPIO98_LCD_DD13, + GPIO100_LCD_DD14, + GPIO101_LCD_DD15, + GPIO102_LCD_DD16, + GPIO103_LCD_DD17, + GPIO104_LCD_SPIDOUT, + GPIO105_LCD_SPIDIN, + GPIO107_LCD_CS1, + GPIO108_LCD_DCLK, + GPIO106_LCD_RESET, +#endif +}; + +#ifdef CONFIG_FB_PXA168 +static u16 tpo_spi_cmdon[] = { + 0x0801, + 0x0800, + 0x0200, + 0x0304, + 0x040e, + 0x0903, + 0x0b18, + 0x0c53, + 0x0d01, + 0x0ee0, + 0x0f01, + 0x1058, + 0x201e, + 0x210a, + 0x220a, + 0x231e, + 0x2400, + 0x2532, + 0x2600, + 0x27ac, + 0x2904, + 0x2aa2, + 0x2b45, + 0x2c45, + 0x2d15, + 0x2e5a, + 0x2fff, + 0x306b, + 0x310d, + 0x3248, + 0x3382, + 0x34bd, + 0x35e7, + 0x3618, + 0x3794, + 0x3801, + 0x395d, + 0x3aae, + 0x3bff, + 0x07c9, //auto power on +}; + +static u16 tpo_spi_cmdoff[] = { + 0x07d9, //auto power off +}; + +static int tpo_lcd_power(struct pxa168fb_info *fbi, unsigned int
spi_gpio_cs, unsigned int spi_gpio_reset, int on)
+{
+ int err = 0;
+
+ if (on) {
+ if (spi_gpio_reset != -1) {
+ err = gpio_request(spi_gpio_reset, "TPO_LCD_SPI_RESET");
+ if (err) {
+ printk("failed to request GPIO for TPO LCD RESET\n");
+ return -1;
+ }
+ gpio_direction_output(spi_gpio_reset, 0);
+ msleep(100);
+ gpio_set_value(spi_gpio_reset, 1);
+ msleep(100);
+ gpio_free(spi_gpio_reset);
+ }
+ return pxa168fb_spi_send(fbi, tpo_spi_cmdon,
ARRAY_SIZE(tpo_spi_cmdon), spi_gpio_cs, 20);
+ } else
+ return pxa168fb_spi_send(fbi, tpo_spi_cmdoff,
ARRAY_SIZE(tpo_spi_cmdoff), spi_gpio_cs, 0);
+}
+
+static struct fb_videomode video_modes[] = {
+ /* lpj032l001b HVGA mode info */
+ [0] = {
+ .pixclock = 100000,
+ .refresh = 60,
+ .xres = 320,
+ .yres = 480,
+ .hsync_len = 10,
+ .left_margin = 15,
+ .right_margin = 10,
+ .vsync_len = 2,
+ .upper_margin = 4,
+ .lower_margin = 2,
+ .sync = 0,
+ },
};
+static struct pxa168fb_mach_info ttc_dkb_lcd_info __initdata = {
+ .id = "Base",
+ .modes = video_modes,
+ .num_modes = ARRAY_SIZE(video_modes),
+ .pix_fmt = PIX_FMT_RGB565,
+ .io_pin_allocation_mode = PIN_MODE_DUMB_18_SPI,
+ .dumb_mode = DUMB_MODE_RGB666,
+ .active = 1,
+ .spi_ctrl = CFG_SCLKCNT(16) | CFG_TXBITS(16) |
CFG_SPI_SEL(1) | CFG_SPI_3W4WB(1) | CFG_SPI_ENA(1),
+ .spi_gpio_cs = -1,
+ .spi_gpio_reset = mfp_to_gpio(MFP_PIN_GPIO106),
+ .panel_rbswap = 1,
+ .pxa168fb_lcd_power = tpo_lcd_power,
+};
+#endif
+
#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
static struct mtd_partition ttc_dkb_onenand_partitions[] = {
{@@ -123,6 +261,9 @@ static void __init ttc_dkb_init(void) /* on-chip devices */ pxa910_add_uart(1); +#ifdef CONFIG_FB_PXA168 + pxa910_add_fb(&ttc_dkb_lcd_info); +#endif /* off-chip devices */ ttc_dkb_init_onenand();
--
1.5.4.3