diff options
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/Makefile | 1 | ||||
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/lcd_wqvga.c | 332 | ||||
| -rw-r--r-- | arch/sh/boards/mach-kfr2r09/setup.c | 94 | ||||
| -rw-r--r-- | arch/sh/include/mach-kfr2r09/mach/kfr2r09.h | 21 |
4 files changed, 448 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-kfr2r09/Makefile b/arch/sh/boards/mach-kfr2r09/Makefile index 77037567633..5d5867826e3 100644 --- a/arch/sh/boards/mach-kfr2r09/Makefile +++ b/arch/sh/boards/mach-kfr2r09/Makefile @@ -1 +1,2 @@ obj-y := setup.o +obj-$(CONFIG_FB_SH_MOBILE_LCDC) += lcd_wqvga.o diff --git a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c new file mode 100644 index 00000000000..8ccb1cc8b58 --- /dev/null +++ b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c @@ -0,0 +1,332 @@ +/* + * KFR2R09 LCD panel support + * + * Copyright (C) 2009 Magnus Damm + * + * Register settings based on the out-of-tree t33fb.c driver + * Copyright (C) 2008 Lineo Solutions, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/gpio.h> +#include <video/sh_mobile_lcdc.h> +#include <mach/kfr2r09.h> +#include <cpu/sh7724.h> + +/* The on-board LCD module is a Hitachi TX07D34VM0AAA. This module is made + * up of a 240x400 LCD hooked up to a R61517 driver IC. The driver IC is + * communicating with the main port of the LCDC using an 18-bit SYS interface. + * + * The device code for this LCD module is 0x01221517. + */ + +static const unsigned char data_frame_if[] = { + 0x02, /* WEMODE: 1=cont, 0=one-shot */ + 0x00, 0x00, + 0x00, /* EPF, DFM */ + 0x02, /* RIM[1] : 1 (18bpp) */ +}; + +static const unsigned char data_panel[] = { + 0x0b, + 0x63, /* 400 lines */ + 0x04, 0x00, 0x00, 0x04, 0x11, 0x00, 0x00, +}; + +static const unsigned char data_timing[] = { + 0x00, 0x00, 0x13, 0x08, 0x08, +}; + +static const unsigned char data_timing_src[] = { + 0x11, 0x01, 0x00, 0x01, +}; + +static const unsigned char data_gamma[] = { + 0x01, 0x02, 0x08, 0x23, 0x03, 0x0c, 0x00, 0x06, 0x00, 0x00, + 0x01, 0x00, 0x0c, 0x23, 0x03, 0x08, 0x02, 0x06, 0x00, 0x00, +}; + +static const unsigned char data_power[] = { + 0x07, 0xc5, 0xdc, 0x02, 0x33, 0x0a, +}; + +static unsigned long read_reg(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + return so->read_data(sohandle); +} + +static void write_reg(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so, + int i, unsigned long v) +{ + if (i) + so->write_data(sohandle, v); /* PTH4/LCDRS High [param, 17:0] */ + else + so->write_index(sohandle, v); /* PTH4/LCDRS Low [cmd, 7:0] */ +} + +static void write_data(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so, + unsigned char const *data, int no_data) +{ + int i; + + for (i = 0; i < no_data; i++) + write_reg(sohandle, so, 1, data[i]); +} + +static unsigned long read_device_code(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + unsigned long device_code; + + /* access protect OFF */ + write_reg(sohandle, so, 0, 0xb0); + write_reg(sohandle, so, 1, 0x00); + + /* deep standby OFF */ + write_reg(sohandle, so, 0, 0xb1); + write_reg(sohandle, so, 1, 0x00); + + /* device code command */ + write_reg(sohandle, so, 0, 0xbf); + mdelay(50); + + /* dummy read */ + read_reg(sohandle, so); + + /* read device code */ + device_code = ((read_reg(sohandle, so) & 0xff) << 24); + device_code |= ((read_reg(sohandle, so) & 0xff) << 16); + device_code |= ((read_reg(sohandle, so) & 0xff) << 8); + device_code |= (read_reg(sohandle, so) & 0xff); + + return device_code; +} + +static void write_memory_start(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + write_reg(sohandle, so, 0, 0x2c); +} + +static void clear_memory(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + int i; + + /* write start */ + write_memory_start(sohandle, so); + + /* paint it black */ + for (i = 0; i < (240 * 400); i++) + write_reg(sohandle, so, 1, 0x00); +} + +static void display_on(void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + /* access protect off */ + write_reg(sohandle, so, 0, 0xb0); + write_reg(sohandle, so, 1, 0x00); + + /* exit deep standby mode */ + write_reg(sohandle, so, 0, 0xb1); + write_reg(sohandle, so, 1, 0x00); + + /* frame memory I/F */ + write_reg(sohandle, so, 0, 0xb3); + write_data(sohandle, so, data_frame_if, ARRAY_SIZE(data_frame_if)); + + /* display mode and frame memory write mode */ + write_reg(sohandle, so, 0, 0xb4); + write_reg(sohandle, so, 1, 0x00); /* DBI, internal clock */ + + /* panel */ + write_reg(sohandle, so, 0, 0xc0); + write_data(sohandle, so, data_panel, ARRAY_SIZE(data_panel)); + + /* timing (normal) */ + write_reg(sohandle, so, 0, 0xc1); + write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing)); + + /* timing (partial) */ + write_reg(sohandle, so, 0, 0xc2); + write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing)); + + /* timing (idle) */ + write_reg(sohandle, so, 0, 0xc3); + write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing)); + + /* timing (source/VCOM/gate driving) */ + write_reg(sohandle, so, 0, 0xc4); + write_data(sohandle, so, data_timing_src, ARRAY_SIZE(data_timing_src)); + + /* gamma (red) */ + write_reg(sohandle, so, 0, 0xc8); + write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma)); + + /* gamma (green) */ + write_reg(sohandle, so, 0, 0xc9); + write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma)); + + /* gamma (blue) */ + write_reg(sohandle, so, 0, 0xca); + write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma)); + + /* power (common) */ + write_reg(sohandle, so, 0, 0xd0); + write_data(sohandle, so, data_power, ARRAY_SIZE(data_power)); + + /* VCOM */ + write_reg(sohandle, so, 0, 0xd1); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x0f); + write_reg(sohandle, so, 1, 0x02); + + /* power (normal) */ + write_reg(sohandle, so, 0, 0xd2); + write_reg(sohandle, so, 1, 0x63); + write_reg(sohandle, so, 1, 0x24); + + /* power (partial) */ + write_reg(sohandle, so, 0, 0xd3); + write_reg(sohandle, so, 1, 0x63); + write_reg(sohandle, so, 1, 0x24); + + /* power (idle) */ + write_reg(sohandle, so, 0, 0xd4); + write_reg(sohandle, so, 1, 0x63); + write_reg(sohandle, so, 1, 0x24); + + write_reg(sohandle, so, 0, 0xd8); + write_reg(sohandle, so, 1, 0x77); + write_reg(sohandle, so, 1, 0x77); + + /* TE signal */ + write_reg(sohandle, so, 0, 0x35); + write_reg(sohandle, so, 1, 0x00); + + /* TE signal line */ + write_reg(sohandle, so, 0, 0x44); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x00); + + /* column address */ + write_reg(sohandle, so, 0, 0x2a); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0xef); + + /* page address */ + write_reg(sohandle, so, 0, 0x2b); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x00); + write_reg(sohandle, so, 1, 0x01); + write_reg(sohandle, so, 1, 0x8f); + + /* exit sleep mode */ + write_reg(sohandle, so, 0, 0x11); + + mdelay(120); + + /* clear vram */ + clear_memory(sohandle, so); + + /* display ON */ + write_reg(sohandle, so, 0, 0x29); + mdelay(1); + + write_memory_start(sohandle, so); +} + +int kfr2r09_lcd_setup(void *board_data, void *sohandle, + struct sh_mobile_lcdc_sys_bus_ops *so) +{ + /* power on */ + gpio_set_value(GPIO_PTF4, 0); /* PROTECT/ -> L */ + gpio_set_value(GPIO_PTE4, 0); /* LCD_RST/ -> L */ + gpio_set_value(GPIO_PTF4, 1); /* PROTECT/ -> H */ + udelay(1100); + gpio_set_value(GPIO_PTE4, 1); /* LCD_RST/ -> H */ + udelay(10); + gpio_set_value(GPIO_PTF4, 0); /* PROTECT/ -> L */ + mdelay(20); + + if (read_device_code(sohandle, so) != 0x01221517) + return -ENODEV; + + pr_info("KFR2R09 WQVGA LCD Module detected.\n"); + + display_on(sohandle, so); + return 0; +} + +#define CTRL_CKSW 0x10 +#define CTRL_C10 0x20 +#define CTRL_CPSW 0x80 +#define MAIN_MLED4 0x40 +#define MAIN_MSW 0x80 + +static int kfr2r09_lcd_backlight(int on) +{ + struct i2c_adapter *a; + struct i2c_msg msg; + unsigned char buf[2]; + int ret; + + a = i2c_get_adapter(0); + if (!a) + return -ENODEV; + + buf[0] = 0x00; + if (on) + buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW; + else + buf[1] = 0; + + msg.addr = 0x75; + msg.buf = buf; + msg.len = 2; + msg.flags = 0; + ret = i2c_transfer(a, &msg, 1); + if (ret != 1) + return -ENODEV; + + buf[0] = 0x01; + if (on) + buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c; + else + buf[1] = 0; + + msg.addr = 0x75; + msg.buf = buf; + msg.len = 2; + msg.flags = 0; + ret = i2c_transfer(a, &msg, 1); + if (ret != 1) + return -ENODEV; + + return 0; +} + +void kfr2r09_lcd_on(void *board_data) +{ + kfr2r09_lcd_backlight(1); +} + +void kfr2r09_lcd_off(void *board_data) +{ + kfr2r09_lcd_backlight(0); +} diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c index bf5f8f8d3b5..13550804090 100644 --- a/arch/sh/boards/mach-kfr2r09/setup.c +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -15,11 +15,13 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/input.h> +#include <video/sh_mobile_lcdc.h> #include <asm/clock.h> #include <asm/machvec.h> #include <asm/io.h> #include <asm/sh_keysc.h> #include <cpu/sh7724.h> +#include <mach/kfr2r09.h> static struct mtd_partition kfr2r09_nor_flash_partitions[] = { @@ -97,9 +99,70 @@ static struct platform_device kfr2r09_sh_keysc_device = { }, }; +static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = { + .clock_source = LCDC_CLK_BUS, + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .bpp = 16, + .interface_type = SYS18, + .clock_divider = 6, + .flags = LCDC_FLAGS_DWPOL, + .lcd_cfg = { + .name = "TX07D34VM0AAA", + .xres = 240, + .yres = 400, + .left_margin = 0, + .right_margin = 16, + .hsync_len = 8, + .upper_margin = 0, + .lower_margin = 1, + .vsync_len = 1, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + }, + .lcd_size_cfg = { + .width = 35, + .height = 58, + }, + .board_cfg = { + .setup_sys = kfr2r09_lcd_setup, + .display_on = kfr2r09_lcd_on, + .display_off = kfr2r09_lcd_off, + }, + .sys_bus_cfg = { + .ldmt2r = 0x07010904, + .ldmt3r = 0x14012914, + /* set 1s delay to encourage fsync() */ + .deferred_io_msec = 1000, + }, + } +}; + +static struct resource kfr2r09_sh_lcdc_resources[] = { + [0] = { + .name = "LCDC", + .start = 0xfe940000, /* P4-only space */ + .end = 0xfe941fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 106, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kfr2r09_sh_lcdc_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources), + .resource = kfr2r09_sh_lcdc_resources, + .dev = { + .platform_data = &kfr2r09_sh_lcdc_info, + }, +}; + static struct platform_device *kfr2r09_devices[] __initdata = { &kfr2r09_nor_flash_device, &kfr2r09_sh_keysc_device, + &kfr2r09_sh_lcdc_device, }; #define BSC_CS0BCR 0xfec10004 @@ -128,6 +191,37 @@ static int __init kfr2r09_devices_setup(void) gpio_request(GPIO_FN_KEYIN4, NULL); gpio_request(GPIO_FN_KEYOUT5_IN5, NULL); + /* setup LCDC pins for SYS panel */ + gpio_request(GPIO_FN_LCDD17, NULL); + gpio_request(GPIO_FN_LCDD16, NULL); + gpio_request(GPIO_FN_LCDD15, NULL); + gpio_request(GPIO_FN_LCDD14, NULL); + gpio_request(GPIO_FN_LCDD13, NULL); + gpio_request(GPIO_FN_LCDD12, NULL); + gpio_request(GPIO_FN_LCDD11, NULL); + gpio_request(GPIO_FN_LCDD10, NULL); + gpio_request(GPIO_FN_LCDD9, NULL); + gpio_request(GPIO_FN_LCDD8, NULL); + gpio_request(GPIO_FN_LCDD7, NULL); + gpio_request(GPIO_FN_LCDD6, NULL); + gpio_request(GPIO_FN_LCDD5, NULL); + gpio_request(GPIO_FN_LCDD4, NULL); + gpio_request(GPIO_FN_LCDD3, NULL); + gpio_request(GPIO_FN_LCDD2, NULL); + gpio_request(GPIO_FN_LCDD1, NULL); + gpio_request(GPIO_FN_LCDD0, NULL); + gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */ + gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */ + gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */ + gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */ + gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */ + gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */ + gpio_direction_output(GPIO_PTE4, 1); + gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */ + gpio_direction_output(GPIO_PTF4, 1); + gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */ + gpio_direction_output(GPIO_PTU0, 1); + return platform_add_devices(kfr2r09_devices, ARRAY_SIZE(kfr2r09_devices)); } diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h new file mode 100644 index 00000000000..174374e1954 --- /dev/null +++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h @@ -0,0 +1,21 @@ +#ifndef __ASM_SH_KFR2R09_H +#define __ASM_SH_KFR2R09_H + +#include <video/sh_mobile_lcdc.h> + +#ifdef CONFIG_FB_SH_MOBILE_LCDC +void kfr2r09_lcd_on(void *board_data); +void kfr2r09_lcd_off(void *board_data); +int kfr2r09_lcd_setup(void *board_data, void *sys_ops_handle, + struct sh_mobile_lcdc_sys_bus_ops *sys_ops); +#else +static inline void kfr2r09_lcd_on(void *board_data) {} +static inline void kfr2r09_lcd_off(void *board_data) {} +static inline int kfr2r09_lcd_setup(void *board_data, void *sys_ops_handle, + struct sh_mobile_lcdc_sys_bus_ops *sys_ops) +{ + return -ENODEV; +} +#endif + +#endif /* __ASM_SH_KFR2R09_H */ |