diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/mxc_epdc_fb.c | 446 | ||||
| -rw-r--r-- | drivers/video/mxc_epdc_fb.h | 299 |
3 files changed, 746 insertions, 0 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index c140312..cb57f8a 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -29,6 +29,7 @@ COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o COBJS-$(CONFIG_MXC2_LCD) += mx2fb.o +COBJS-$(CONFIG_MXC_EPDC) += mxc_epdc_fb.o COBJS-$(CONFIG_S6E63D6) += s6e63d6.o COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o diff --git a/drivers/video/mxc_epdc_fb.c b/drivers/video/mxc_epdc_fb.c new file mode 100644 index 0000000..6430cc9 --- /dev/null +++ b/drivers/video/mxc_epdc_fb.c @@ -0,0 +1,446 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +/* + * Based on STMP378X LCDIF + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +#include <common.h> +#include <lcd.h> +#include <linux/list.h> +#include <linux/err.h> +#include <linux/types.h> +#include <asm/arch/mx50.h> + +#include "mxc_epdc_fb.h" + + +extern int setup_waveform_file(); +extern void epdc_power_on(); +extern void epdc_power_off(); + +DECLARE_GLOBAL_DATA_PTR; + +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +short console_col; +short console_row; + +void lcd_initcolregs(void) +{ +} + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ +} + +#define TEMP_USE_DEFAULT 8 + +#define UPDATE_MODE_PARTIAL 0x0 +#define UPDATE_MODE_FULL 0x1 + +#define TRUE 1 +#define FALSE 0 + +#define msleep(a) udelay(a * 1000) + + +/******************************************************** + * Start Low-Level EPDC Functions + ********************************************************/ + +static inline void epdc_set_screen_res(u32 width, u32 height) +{ + u32 val = (height << EPDC_RES_VERTICAL_OFFSET) | width; + + REG_WR(EPDC_BASE, EPDC_RES, val); +} + +static inline void epdc_set_update_coord(u32 x, u32 y) +{ + u32 val = (y << EPDC_UPD_CORD_YCORD_OFFSET) | x; + + REG_WR(EPDC_BASE, EPDC_UPD_CORD, val); +} + +static inline void epdc_set_update_dimensions(u32 width, u32 height) +{ + u32 val = (height << EPDC_UPD_SIZE_HEIGHT_OFFSET) | width; + + REG_WR(EPDC_BASE, EPDC_UPD_SIZE, val); +} + +static void epdc_submit_update(u32 lut_num, u32 waveform_mode, u32 update_mode, + int use_test_mode, u32 np_val) +{ + u32 reg_val = 0; + + if (use_test_mode) { + reg_val |= + ((np_val << EPDC_UPD_FIXED_FIXNP_OFFSET) & + EPDC_UPD_FIXED_FIXNP_MASK) | EPDC_UPD_FIXED_FIXNP_EN; + + REG_WR(EPDC_BASE, EPDC_UPD_FIXED, reg_val); + + reg_val = EPDC_UPD_CTRL_USE_FIXED; + } else { + REG_WR(EPDC_BASE, EPDC_UPD_FIXED, reg_val); + } + + reg_val |= + ((lut_num << EPDC_UPD_CTRL_LUT_SEL_OFFSET) & + EPDC_UPD_CTRL_LUT_SEL_MASK) | + ((waveform_mode << EPDC_UPD_CTRL_WAVEFORM_MODE_OFFSET) & + EPDC_UPD_CTRL_WAVEFORM_MODE_MASK) | + update_mode; + + REG_WR(EPDC_BASE, EPDC_UPD_CTRL, reg_val); +} + +static inline int epdc_is_lut_active(u32 lut_num) +{ + u32 val = REG_RD(EPDC_BASE, EPDC_STATUS_LUTS); + int is_active = val & (1 << lut_num) ? TRUE : FALSE; + + return is_active; +} + +static void epdc_set_horizontal_timing(u32 horiz_start, u32 horiz_end, + u32 hsync_width, u32 hsync_line_length) +{ + u32 reg_val = + ((hsync_width << EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_OFFSET) & + EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_MASK) + | ((hsync_line_length << EPDC_TCE_HSCAN1_LINE_SYNC_OFFSET) & + EPDC_TCE_HSCAN1_LINE_SYNC_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_HSCAN1, reg_val); + + reg_val = + ((horiz_start << EPDC_TCE_HSCAN2_LINE_BEGIN_OFFSET) & + EPDC_TCE_HSCAN2_LINE_BEGIN_MASK) + | ((horiz_end << EPDC_TCE_HSCAN2_LINE_END_OFFSET) & + EPDC_TCE_HSCAN2_LINE_END_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_HSCAN2, reg_val); +} + +static void epdc_set_vertical_timing(u32 vert_start, u32 vert_end, + u32 vsync_width) +{ + u32 reg_val = + ((vert_start << EPDC_TCE_VSCAN_FRAME_BEGIN_OFFSET) & + EPDC_TCE_VSCAN_FRAME_BEGIN_MASK) + | ((vert_end << EPDC_TCE_VSCAN_FRAME_END_OFFSET) & + EPDC_TCE_VSCAN_FRAME_END_MASK) + | ((vsync_width << EPDC_TCE_VSCAN_FRAME_SYNC_OFFSET) & + EPDC_TCE_VSCAN_FRAME_SYNC_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_VSCAN, reg_val); +} + +static void epdc_init_settings(void) +{ + u32 reg_val; + + /* EPDC_CTRL */ + reg_val = REG_RD(EPDC_BASE, EPDC_CTRL); + reg_val &= ~EPDC_CTRL_UPD_DATA_SWIZZLE_MASK; + reg_val |= EPDC_CTRL_UPD_DATA_SWIZZLE_NO_SWAP; + reg_val &= ~EPDC_CTRL_LUT_DATA_SWIZZLE_MASK; + reg_val |= EPDC_CTRL_LUT_DATA_SWIZZLE_NO_SWAP; + REG_SET(EPDC_BASE, EPDC_CTRL, reg_val); + + /* EPDC_FORMAT - 2bit TFT and 4bit Buf pixel format */ + reg_val = EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT + | EPDC_FORMAT_BUF_PIXEL_FORMAT_P4N + | ((0x0 << EPDC_FORMAT_DEFAULT_TFT_PIXEL_OFFSET) & + EPDC_FORMAT_DEFAULT_TFT_PIXEL_MASK); + REG_WR(EPDC_BASE, EPDC_FORMAT, reg_val); + + /* EPDC_FIFOCTRL (disabled) */ + reg_val = + ((100 << EPDC_FIFOCTRL_FIFO_INIT_LEVEL_OFFSET) & + EPDC_FIFOCTRL_FIFO_INIT_LEVEL_MASK) + | ((200 << EPDC_FIFOCTRL_FIFO_H_LEVEL_OFFSET) & + EPDC_FIFOCTRL_FIFO_H_LEVEL_MASK) + | ((100 << EPDC_FIFOCTRL_FIFO_L_LEVEL_OFFSET) & + EPDC_FIFOCTRL_FIFO_L_LEVEL_MASK); + REG_WR(EPDC_BASE, EPDC_FIFOCTRL, reg_val); + + /* EPDC_TEMP - Use default temperature */ + REG_WR(EPDC_BASE, EPDC_TEMP, TEMP_USE_DEFAULT); + + /* EPDC_RES */ + epdc_set_screen_res(panel_info.vl_col, panel_info.vl_row); + + /* + * EPDC_TCE_CTRL + * VSCAN_HOLDOFF = 4 + * VCOM_MODE = MANUAL + * VCOM_VAL = 0 + * DDR_MODE = DISABLED + * LVDS_MODE_CE = DISABLED + * LVDS_MODE = DISABLED + * DUAL_SCAN = DISABLED + * SDDO_WIDTH = 8bit + * PIXELS_PER_SDCLK = 4 + */ + reg_val = + ((4 << EPDC_TCE_CTRL_VSCAN_HOLDOFF_OFFSET) & + EPDC_TCE_CTRL_VSCAN_HOLDOFF_MASK) + | EPDC_TCE_CTRL_PIXELS_PER_SDCLK_4; + REG_WR(EPDC_BASE, EPDC_TCE_CTRL, reg_val); + + /* EPDC_TCE_HSCAN */ + epdc_set_horizontal_timing(panel_info.vl_left_margin, + panel_info.vl_right_margin, + panel_info.vl_hsync, + panel_info.vl_hsync); + + /* EPDC_TCE_VSCAN */ + epdc_set_vertical_timing(panel_info.vl_upper_margin, + panel_info.vl_lower_margin, + panel_info.vl_vsync); + + /* EPDC_TCE_OE */ + reg_val = + ((10 << EPDC_TCE_OE_SDOED_WIDTH_OFFSET) & + EPDC_TCE_OE_SDOED_WIDTH_MASK) + | ((20 << EPDC_TCE_OE_SDOED_DLY_OFFSET) & + EPDC_TCE_OE_SDOED_DLY_MASK) + | ((10 << EPDC_TCE_OE_SDOEZ_WIDTH_OFFSET) & + EPDC_TCE_OE_SDOEZ_WIDTH_MASK) + | ((20 << EPDC_TCE_OE_SDOEZ_DLY_OFFSET) & + EPDC_TCE_OE_SDOEZ_DLY_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_OE, reg_val); + + /* EPDC_TCE_TIMING1 */ + REG_WR(EPDC_BASE, EPDC_TCE_TIMING1, 0x0); + + /* EPDC_TCE_TIMING2 */ + reg_val = + ((480 << EPDC_TCE_TIMING2_GDCLK_HP_OFFSET) & + EPDC_TCE_TIMING2_GDCLK_HP_MASK) + | ((20 << EPDC_TCE_TIMING2_GDSP_OFFSET_OFFSET) & + EPDC_TCE_TIMING2_GDSP_OFFSET_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_TIMING2, reg_val); + + /* EPDC_TCE_TIMING3 */ + reg_val = + ((0 << EPDC_TCE_TIMING3_GDOE_OFFSET_OFFSET) & + EPDC_TCE_TIMING3_GDOE_OFFSET_MASK) + | ((1 << EPDC_TCE_TIMING3_GDCLK_OFFSET_OFFSET) & + EPDC_TCE_TIMING3_GDCLK_OFFSET_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_TIMING3, reg_val); + + /* + * EPDC_TCE_SDCFG + * SDCLK_HOLD = 1 + * SDSHR = 1 + * NUM_CE = 1 + * SDDO_REFORMAT = FLIP_PIXELS + * SDDO_INVERT = DISABLED + * PIXELS_PER_CE = display horizontal resolution + */ + reg_val = EPDC_TCE_SDCFG_SDCLK_HOLD | EPDC_TCE_SDCFG_SDSHR + | ((1 << EPDC_TCE_SDCFG_NUM_CE_OFFSET) & EPDC_TCE_SDCFG_NUM_CE_MASK) + | EPDC_TCE_SDCFG_SDDO_REFORMAT_FLIP_PIXELS + | ((panel_info.vl_col << EPDC_TCE_SDCFG_PIXELS_PER_CE_OFFSET) & + EPDC_TCE_SDCFG_PIXELS_PER_CE_MASK); + REG_WR(EPDC_BASE, EPDC_TCE_SDCFG, reg_val); + + /* + * EPDC_TCE_GDCFG + * GDRL = 1 + * GDOE_MODE = 0; + * GDSP_MODE = 0; + */ + reg_val = EPDC_TCE_SDCFG_GDRL; + REG_WR(EPDC_BASE, EPDC_TCE_GDCFG, reg_val); + + /* + * EPDC_TCE_POLARITY + * SDCE_POL = ACTIVE LOW + * SDLE_POL = ACTIVE HIGH + * SDOE_POL = ACTIVE HIGH + * GDOE_POL = ACTIVE HIGH + * GDSP_POL = ACTIVE LOW + */ + reg_val = EPDC_TCE_POLARITY_SDLE_POL_ACTIVE_HIGH + | EPDC_TCE_POLARITY_SDOE_POL_ACTIVE_HIGH + | EPDC_TCE_POLARITY_GDOE_POL_ACTIVE_HIGH; + REG_WR(EPDC_BASE, EPDC_TCE_POLARITY, reg_val); + + /* EPDC_IRQ_MASK */ + REG_WR(EPDC_BASE, EPDC_IRQ_MASK, + EPDC_IRQ_TCE_UNDERRUN_IRQ); + + /* + * EPDC_GPIO + * PWRCOM = ? + * PWRCTRL = ? + * BDR = ? + */ + reg_val = ((0 << EPDC_GPIO_PWRCTRL_OFFSET) & EPDC_GPIO_PWRCTRL_MASK) + | ((0 << EPDC_GPIO_BDR_OFFSET) & EPDC_GPIO_BDR_MASK); + REG_WR(EPDC_BASE, EPDC_GPIO, reg_val); +} + +static void draw_mode0(void) +{ + int i; + + /* Program EPDC update to process buffer */ + epdc_set_update_coord(0, 0); + epdc_set_update_dimensions(panel_info.vl_col, panel_info.vl_row); + epdc_submit_update(0, panel_info.epdc_data.wv_modes.mode_init, + UPDATE_MODE_FULL, FALSE, 0); + + debug("Mode0 update - Waiting for LUT to complete...\n"); + + /* Will timeout after ~4-5 seconds */ + + for (i = 0; i < 40; i++) { + if (!epdc_is_lut_active(0)) { + debug("Mode0 init complete\n"); + return; + } + msleep(100); + } + + debug("Mode0 init failed!\n"); + +} + +static void draw_splash_screen(void) +{ + int i; + int lut_num = 0; + + /* Program EPDC update to process buffer */ + epdc_set_update_coord(0, 0); + epdc_set_update_dimensions(panel_info.vl_col, panel_info.vl_row); + epdc_submit_update(lut_num, panel_info.epdc_data.wv_modes.mode_gc16, + UPDATE_MODE_FULL, FALSE, 0); + + for (i = 0; i < 40; i++) { + if (!epdc_is_lut_active(lut_num)) { + debug("Splash screen update complete\n"); + return; + } + msleep(100); + } + debug("Splash screen update failed!\n"); + +} + +void lcd_enable(void) +{ + int i; + + epdc_power_on(); + + /* Draw black border around framebuffer*/ + memset(lcd_base, 0xFF, panel_info.vl_col * panel_info.vl_row); + memset(lcd_base, 0x0, 24 * panel_info.vl_col); + for (i = 24; i < (panel_info.vl_row - 24); i++) { + memset((u8 *)lcd_base + i * panel_info.vl_col, 0x00, 24); + memset((u8 *)lcd_base + i * panel_info.vl_col + + panel_info.vl_col - 24, 0x00, 24); + } + memset((u8 *)lcd_base + panel_info.vl_col * (panel_info.vl_row - 24), + 0x00, 24 * panel_info.vl_col); + + /* Draw data to display */ + draw_mode0(); + + draw_splash_screen(); +} + +void lcd_disable(void) +{ + debug("lcd_disable\n"); + + /* Disable clocks to EPDC */ + REG_SET(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_CLKGATE); +} + +void lcd_panel_disable(void) +{ + epdc_power_off(); +} + +void lcd_ctrl_init(void *lcdbase) +{ + /* + * We rely on lcdbase being a physical address, i.e., either MMU off, + * or 1-to-1 mapping. Might want to add some virt2phys here. + */ + if (!lcdbase) + return; + + lcd_color_fg = 0xFF; + lcd_color_bg = 0xFF; + + /* Reset */ + REG_SET(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_SFTRST); + while (!(REG_RD(EPDC_BASE, EPDC_CTRL) & EPDC_CTRL_CLKGATE)) + ; + REG_CLR(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_SFTRST); + + /* Enable clock gating (clear to enable) */ + REG_CLR(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_CLKGATE); + while (REG_RD(EPDC_BASE, EPDC_CTRL) & + (EPDC_CTRL_SFTRST | EPDC_CTRL_CLKGATE)) + ; + + debug("resolution %dx%d, bpp %d\n", (int)panel_info.vl_col, + (int)panel_info.vl_row, NBITS(panel_info.vl_bpix)); + + /* Set framebuffer pointer */ + REG_WR(EPDC_BASE, EPDC_UPD_ADDR, (u32)lcdbase); + + /* Set Working Buffer pointer */ + REG_WR(EPDC_BASE, EPDC_WB_ADDR, panel_info.epdc_data.working_buf_addr); + + /* Get waveform data address and offset */ + if (setup_waveform_file()) { + printf("Can't load waveform data!\n"); + return; + } + + /* Set Waveform Buffer pointer */ + REG_WR(EPDC_BASE, EPDC_WVADDR, + panel_info.epdc_data.waveform_buf_addr); + + /* Initialize EPDC, passing pointer to EPDC registers */ + epdc_init_settings(); + + return; +} + +ulong calc_fbsize(void) +{ + return panel_info.vl_row * panel_info.vl_col * 2 \ + * NBITS(panel_info.vl_bpix) / 8; +} + diff --git a/drivers/video/mxc_epdc_fb.h b/drivers/video/mxc_epdc_fb.h new file mode 100644 index 0000000..e078538 --- /dev/null +++ b/drivers/video/mxc_epdc_fb.h @@ -0,0 +1,299 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef __EPDC_REGS_INCLUDED__ +#define __EPDC_REGS_INCLUDED__ + +#include <linux/types.h> +#include <linux/list.h> + +/************************************* + * Register addresses + *************************************/ +#define EPDC_BASE (EPDC_BASE_ADDR) + +#define EPDC_CTRL (0x000) +#define EPDC_CTRL_SET (0x004) +#define EPDC_CTRL_CLR (0x008) +#define EPDC_CTRL_TOG (0x00c) +#define EPDC_WVADDR (0x020) +#define EPDC_WB_ADDR (0x030) +#define EPDC_RES (0x040) +#define EPDC_FORMAT (0x050) +#define EPDC_FORMAT_SET (0x054) +#define EPDC_FORMAT_CLR (0x058) +#define EPDC_FORMAT_TOG (0x05c) +#define EPDC_FIFOCTRL (0x0a0) +#define EPDC_FIFOCTRL_SET (0x0a4) +#define EPDC_FIFOCTRL_CLR (0x0a8) +#define EPDC_FIFOCTRL_TOG (0x0ac) +#define EPDC_UPD_ADDR (0x100) +#define EPDC_UPD_CORD (0x120) +#define EPDC_UPD_SIZE (0x140) +#define EPDC_UPD_CTRL (0x160) +#define EPDC_UPD_FIXED (0x180) +#define EPDC_TEMP (0x1a0) +#define EPDC_TCE_CTRL (0x200) +#define EPDC_TCE_SDCFG (0x220) +#define EPDC_TCE_GDCFG (0x240) +#define EPDC_TCE_HSCAN1 (0x260) +#define EPDC_TCE_HSCAN2 (0x280) +#define EPDC_TCE_VSCAN (0x2a0) +#define EPDC_TCE_OE (0x2c0) +#define EPDC_TCE_POLARITY (0x2e0) +#define EPDC_TCE_TIMING1 (0x300) +#define EPDC_TCE_TIMING2 (0x310) +#define EPDC_TCE_TIMING3 (0x320) +#define EPDC_IRQ_MASK (0x400) +#define EPDC_IRQ_MASK_SET (0x404) +#define EPDC_IRQ_MASK_CLR (0x408) +#define EPDC_IRQ_MASK_TOG (0x40c) +#define EPDC_IRQ (0x420) +#define EPDC_IRQ_SET (0x424) +#define EPDC_IRQ_CLR (0x428) +#define EPDC_IRQ_TOG (0x42c) +#define EPDC_STATUS_LUTS (0x440) +#define EPDC_STATUS_LUTS_SET (0x444) +#define EPDC_STATUS_LUTS_CLR (0x448) +#define EPDC_STATUS_LUTS_TOG (0x44c) +#define EPDC_STATUS_NEXTLUT (0x460) +#define EPDC_STATUS_COL (0x480) +#define EPDC_STATUS (0x4a0) +#define EPDC_STATUS_SET (0x4a4) +#define EPDC_STATUS_CLR (0x4a8) +#define EPDC_STATUS_TOG (0x4ac) +#define EPDC_DEBUG (0x500) +#define EPDC_DEBUG_LUT0 (0x540) +#define EPDC_DEBUG_LUT1 (0x550) +#define EPDC_DEBUG_LUT2 (0x560) +#define EPDC_DEBUG_LUT3 (0x570) +#define EPDC_DEBUG_LUT4 (0x580) +#define EPDC_DEBUG_LUT5 (0x590) +#define EPDC_DEBUG_LUT6 (0x5a0) +#define EPDC_DEBUG_LUT7 (0x5b0) +#define EPDC_DEBUG_LUT8 (0x5c0) +#define EPDC_DEBUG_LUT9 (0x5d0) +#define EPDC_DEBUG_LUT10 (0x5e0) +#define EPDC_DEBUG_LUT11 (0x5f0) +#define EPDC_DEBUG_LUT12 (0x600) +#define EPDC_DEBUG_LUT13 (0x610) +#define EPDC_DEBUG_LUT14 (0x620) +#define EPDC_DEBUG_LUT15 (0x630) +#define EPDC_GPIO (0x700) +#define EPDC_VERSION (0x7f0) + +enum { + /* EPDC_CTRL field values */ + EPDC_CTRL_SFTRST = 0x80000000, + EPDC_CTRL_CLKGATE = 0x40000000, + EPDC_CTRL_SRAM_POWERDOWN = 0x100, + EPDC_CTRL_UPD_DATA_SWIZZLE_MASK = 0xc0, + EPDC_CTRL_UPD_DATA_SWIZZLE_NO_SWAP = 0, + EPDC_CTRL_UPD_DATA_SWIZZLE_ALL_BYTES_SWAP = 0x40, + EPDC_CTRL_UPD_DATA_SWIZZLE_HWD_SWAP = 0x80, + EPDC_CTRL_UPD_DATA_SWIZZLE_HWD_BYTE_SWAP = 0xc0, + EPDC_CTRL_LUT_DATA_SWIZZLE_MASK = 0x30, + EPDC_CTRL_LUT_DATA_SWIZZLE_NO_SWAP = 0, + EPDC_CTRL_LUT_DATA_SWIZZLE_ALL_BYTES_SWAP = 0x10, + EPDC_CTRL_LUT_DATA_SWIZZLE_HWD_SWAP = 0x20, + EPDC_CTRL_LUT_DATA_SWIZZLE_HWD_BYTE_SWAP = 0x30, + EPDC_CTRL_BURST_LEN_8_8 = 0x1, + EPDC_CTRL_BURST_LEN_8_16 = 0, + + /* EPDC_RES field values */ + EPDC_RES_VERTICAL_MASK = 0x1fff0000, + EPDC_RES_VERTICAL_OFFSET = 16, + EPDC_RES_HORIZONTAL_MASK = 0x1fff, + EPDC_RES_HORIZONTAL_OFFSET = 0, + + /* EPDC_FORMAT field values */ + EPDC_FORMAT_BUF_PIXEL_SCALE_ROUND = 0x1000000, + EPDC_FORMAT_DEFAULT_TFT_PIXEL_MASK = 0xff0000, + EPDC_FORMAT_DEFAULT_TFT_PIXEL_OFFSET = 16, + EPDC_FORMAT_BUF_PIXEL_FORMAT_P2N = 0x200, + EPDC_FORMAT_BUF_PIXEL_FORMAT_P3N = 0x300, + EPDC_FORMAT_BUF_PIXEL_FORMAT_P4N = 0x400, + EPDC_FORMAT_BUF_PIXEL_FORMAT_P5N = 0x500, + EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT = 0x0, + EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT_VCOM = 0x1, + EPDC_FORMAT_TFT_PIXEL_FORMAT_4BIT = 0x2, + EPDC_FORMAT_TFT_PIXEL_FORMAT_4BIT_VCOM = 0x3, + + /* EPDC_FIFOCTRL field values */ + EPDC_FIFOCTRL_ENABLE_PRIORITY = 0x80000000, + EPDC_FIFOCTRL_FIFO_INIT_LEVEL_MASK = 0xff0000, + EPDC_FIFOCTRL_FIFO_INIT_LEVEL_OFFSET = 16, + EPDC_FIFOCTRL_FIFO_H_LEVEL_MASK = 0xff00, + EPDC_FIFOCTRL_FIFO_H_LEVEL_OFFSET = 8, + EPDC_FIFOCTRL_FIFO_L_LEVEL_MASK = 0xff, + EPDC_FIFOCTRL_FIFO_L_LEVEL_OFFSET = 0, + + /* EPDC_UPD_CORD field values */ + EPDC_UPD_CORD_YCORD_MASK = 0x1fff0000, + EPDC_UPD_CORD_YCORD_OFFSET = 16, + EPDC_UPD_CORD_XCORD_MASK = 0x1fff, + EPDC_UPD_CORD_XCORD_OFFSET = 0, + + /* EPDC_UPD_SIZE field values */ + EPDC_UPD_SIZE_HEIGHT_MASK = 0x1fff0000, + EPDC_UPD_SIZE_HEIGHT_OFFSET = 16, + EPDC_UPD_SIZE_WIDTH_MASK = 0x1fff, + EPDC_UPD_SIZE_WIDTH_OFFSET = 0, + + /* EPDC_UPD_CTRL field values */ + EPDC_UPD_CTRL_USE_FIXED = 0x80000000, + EPDC_UPD_CTRL_LUT_SEL_MASK = 0xf0000, + EPDC_UPD_CTRL_LUT_SEL_OFFSET = 16, + EPDC_UPD_CTRL_WAVEFORM_MODE_MASK = 0xff00, + EPDC_UPD_CTRL_WAVEFORM_MODE_OFFSET = 8, + EPDC_UPD_CTRL_UPDATE_MODE_FULL = 0x1, + + /* EPDC_UPD_FIXED field values */ + EPDC_UPD_FIXED_FIXNP_EN = 0x80000000, + EPDC_UPD_FIXED_FIXCP_EN = 0x40000000, + EPDC_UPD_FIXED_FIXNP_MASK = 0xff00, + EPDC_UPD_FIXED_FIXNP_OFFSET = 8, + EPDC_UPD_FIXED_FIXCP_MASK = 0xff, + EPDC_UPD_FIXED_FIXCP_OFFSET = 0, + + /* EPDC_TCE_CTRL field values */ + EPDC_TCE_CTRL_VSCAN_HOLDOFF_MASK = 0x1ff0000, + EPDC_TCE_CTRL_VSCAN_HOLDOFF_OFFSET = 16, + EPDC_TCE_CTRL_VCOM_VAL_MASK = 0xc00, + EPDC_TCE_CTRL_VCOM_VAL_OFFSET = 10, + EPDC_TCE_CTRL_VCOM_MODE_AUTO = 0x200, + EPDC_TCE_CTRL_VCOM_MODE_MANUAL = 0x000, + EPDC_TCE_CTRL_DDR_MODE_ENABLE = 0x100, + EPDC_TCE_CTRL_LVDS_MODE_CE_ENABLE = 0x80, + EPDC_TCE_CTRL_LVDS_MODE_ENABLE = 0x40, + EPDC_TCE_CTRL_SCAN_DIR_1_UP = 0x20, + EPDC_TCE_CTRL_SCAN_DIR_0_UP = 0x10, + EPDC_TCE_CTRL_DUAL_SCAN_ENABLE = 0x8, + EPDC_TCE_CTRL_SDDO_WIDTH_16BIT = 0x4, + EPDC_TCE_CTRL_PIXELS_PER_SDCLK_2 = 1, + EPDC_TCE_CTRL_PIXELS_PER_SDCLK_4 = 2, + EPDC_TCE_CTRL_PIXELS_PER_SDCLK_8 = 3, + + /* EPDC_TCE_SDCFG field values */ + EPDC_TCE_SDCFG_SDCLK_HOLD = 0x200000, + EPDC_TCE_SDCFG_SDSHR = 0x100000, + EPDC_TCE_SDCFG_NUM_CE_MASK = 0xf0000, + EPDC_TCE_SDCFG_NUM_CE_OFFSET = 16, + EPDC_TCE_SDCFG_SDDO_REFORMAT_STANDARD = 0, + EPDC_TCE_SDCFG_SDDO_REFORMAT_FLIP_PIXELS = 0x4000, + EPDC_TCE_SDCFG_SDDO_INVERT_ENABLE = 0x2000, + EPDC_TCE_SDCFG_PIXELS_PER_CE_MASK = 0x1fff, + EPDC_TCE_SDCFG_PIXELS_PER_CE_OFFSET = 0, + + /* EPDC_TCE_GDCFG field values */ + EPDC_TCE_SDCFG_GDRL = 0x10, + EPDC_TCE_SDCFG_GDOE_MODE_DELAYED_GDCLK = 0x2, + EPDC_TCE_SDCFG_GDSP_MODE_FRAME_SYNC = 0x1, + EPDC_TCE_SDCFG_GDSP_MODE_ONE_LINE = 0x0, + + /* EPDC_TCE_HSCAN1 field values */ + EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_MASK = 0xfff0000, + EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_OFFSET = 16, + EPDC_TCE_HSCAN1_LINE_SYNC_MASK = 0xfff, + EPDC_TCE_HSCAN1_LINE_SYNC_OFFSET = 0, + + /* EPDC_TCE_HSCAN2 field values */ + EPDC_TCE_HSCAN2_LINE_END_MASK = 0xfff0000, + EPDC_TCE_HSCAN2_LINE_END_OFFSET = 16, + EPDC_TCE_HSCAN2_LINE_BEGIN_MASK = 0xfff, + EPDC_TCE_HSCAN2_LINE_BEGIN_OFFSET = 0, + + /* EPDC_TCE_VSCAN field values */ + EPDC_TCE_VSCAN_FRAME_END_MASK = 0xff0000, + EPDC_TCE_VSCAN_FRAME_END_OFFSET = 16, + EPDC_TCE_VSCAN_FRAME_BEGIN_MASK = 0xff00, + EPDC_TCE_VSCAN_FRAME_BEGIN_OFFSET = 8, + EPDC_TCE_VSCAN_FRAME_SYNC_MASK = 0xff, + EPDC_TCE_VSCAN_FRAME_SYNC_OFFSET = 0, + + /* EPDC_TCE_OE field values */ + EPDC_TCE_OE_SDOED_WIDTH_MASK = 0xff000000, + EPDC_TCE_OE_SDOED_WIDTH_OFFSET = 24, + EPDC_TCE_OE_SDOED_DLY_MASK = 0xff0000, + EPDC_TCE_OE_SDOED_DLY_OFFSET = 16, + EPDC_TCE_OE_SDOEZ_WIDTH_MASK = 0xff00, + EPDC_TCE_OE_SDOEZ_WIDTH_OFFSET = 8, + EPDC_TCE_OE_SDOEZ_DLY_MASK = 0xff, + EPDC_TCE_OE_SDOEZ_DLY_OFFSET = 0, + + /* EPDC_TCE_POLARITY field values */ + EPDC_TCE_POLARITY_GDSP_POL_ACTIVE_HIGH = 0x10, + EPDC_TCE_POLARITY_GDOE_POL_ACTIVE_HIGH = 0x8, + EPDC_TCE_POLARITY_SDOE_POL_ACTIVE_HIGH = 0x4, + EPDC_TCE_POLARITY_SDLE_POL_ACTIVE_HIGH = 0x2, + EPDC_TCE_POLARITY_SDCE_POL_ACTIVE_HIGH = 0x1, + + /* EPDC_TCE_TIMING1 field values */ + EPDC_TCE_TIMING1_SDLE_SHIFT_NONE = 0x00, + EPDC_TCE_TIMING1_SDLE_SHIFT_1 = 0x10, + EPDC_TCE_TIMING1_SDLE_SHIFT_2 = 0x20, + EPDC_TCE_TIMING1_SDLE_SHIFT_3 = 0x30, + EPDC_TCE_TIMING1_SDCLK_INVERT = 0x8, + EPDC_TCE_TIMING1_SDCLK_SHIFT_NONE = 0, + EPDC_TCE_TIMING1_SDCLK_SHIFT_1CYCLE = 1, + EPDC_TCE_TIMING1_SDCLK_SHIFT_2CYCLES = 2, + EPDC_TCE_TIMING1_SDCLK_SHIFT_3CYCLES = 3, + + /* EPDC_TCE_TIMING2 field values */ + EPDC_TCE_TIMING2_GDCLK_HP_MASK = 0xffff0000, + EPDC_TCE_TIMING2_GDCLK_HP_OFFSET = 16, + EPDC_TCE_TIMING2_GDSP_OFFSET_MASK = 0xffff, + EPDC_TCE_TIMING2_GDSP_OFFSET_OFFSET = 0, + + /* EPDC_TCE_TIMING3 field values */ + EPDC_TCE_TIMING3_GDOE_OFFSET_MASK = 0xffff0000, + EPDC_TCE_TIMING3_GDOE_OFFSET_OFFSET = 16, + EPDC_TCE_TIMING3_GDCLK_OFFSET_MASK = 0xffff, + EPDC_TCE_TIMING3_GDCLK_OFFSET_OFFSET = 0, + + /* EPDC_IRQ_MASK/EPDC_IRQ field values */ + EPDC_IRQ_WB_CMPLT_IRQ = 0x10000, + EPDC_IRQ_LUT_COL_IRQ = 0x20000, + EPDC_IRQ_TCE_UNDERRUN_IRQ = 0x40000, + EPDC_IRQ_FRAME_END_IRQ = 0x80000, + EPDC_IRQ_BUS_ERROR_IRQ = 0x100000, + EPDC_IRQ_TCE_IDLE_IRQ = 0x200000, + + /* EPDC_STATUS_NEXTLUT field values */ + EPDC_STATUS_NEXTLUT_NEXT_LUT_VALID = 0x100, + EPDC_STATUS_NEXTLUT_NEXT_LUT_MASK = 0xf, + EPDC_STATUS_NEXTLUT_NEXT_LUT_OFFSET = 0, + + /* EPDC_STATUS field values */ + EPDC_STATUS_LUTS_UNDERRUN = 0x4, + EPDC_STATUS_LUTS_BUSY = 0x2, + EPDC_STATUS_WB_BUSY = 0x1, + + /* EPDC_DEBUG field values */ + EPDC_DEBUG_UNDERRUN_RECOVER = 0x2, + EPDC_DEBUG_COLLISION_OFF = 0x1, + + /* EPDC_GPIO field values */ + EPDC_GPIO_PWRCOM = 0x40, + EPDC_GPIO_PWRCTRL_MASK = 0x3c, + EPDC_GPIO_PWRCTRL_OFFSET = 2, + EPDC_GPIO_BDR_MASK = 0x3, + EPDC_GPIO_BDR_OFFSET = 0, +}; + +#endif |