[U-Boot] [PATCH v2] video: atmel/lcd: add LCD driver for Atmel new SoC
The Atmel new SoC (at91sam9x5 series and at91sam9n12) add a totally different LCD controller. Add this new driver is used to support it.
Using CONFIG_ATMEL_HLCD (distinguish with CONFIG_ATMEL_LCD) to enable this in board configuration file.
Signed-off-by: Bo Shen voice.shen@atmel.com --- Change since v1 Change the sequence in Makefile according to the suggestion from Mike Frysinger.
Remove unnecessary funtions.
drivers/video/Makefile | 1 + drivers/video/atmel_hlcdfb.c | 223 +++++++++++++++++++++++++++++++++++++++++ include/atmel_hlcdc.h | 225 ++++++++++++++++++++++++++++++++++++++++++ include/lcd.h | 3 +- 4 files changed, 451 insertions(+), 1 deletion(-) create mode 100644 drivers/video/atmel_hlcdfb.c create mode 100644 include/atmel_hlcdc.h
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 6252f6a..b664344 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libvideo.o
COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o videomodes.o +COBJS-$(CONFIG_ATMEL_HLCD) += atmel_hlcdfb.o COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c new file mode 100644 index 0000000..0fd7800 --- /dev/null +++ b/drivers/video/atmel_hlcdfb.c @@ -0,0 +1,223 @@ +/* + * Driver for AT91/AT32 MULTI LAYER LCD Controller + * + * Copyright (C) 2012 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <lcd.h> +#include <atmel_hlcdc.h> + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col; +short console_row; + +/* configurable parameters */ +#define ATMEL_LCDC_CVAL_DEFAULT 0xc8 +#define ATMEL_LCDC_DMA_BURST_LEN 8 +#ifndef ATMEL_LCDC_GUARD_TIME +#define ATMEL_LCDC_GUARD_TIME 1 +#endif + +#define ATMEL_LCDC_FIFO_SIZE 512 + +#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg)) +#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg)) + +void lcd_ctrl_init(void *lcdbase) +{ + unsigned long value; + struct lcd_dma_desc *desc; + + if (!has_lcdc()) + return; /* No lcdc */ + + /* Disable DISP signal */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDDIS, LCDC_LCDDIS_DISPDIS); + while ((lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_DISPSTS)) + udelay(1); + /* Disable synchronization */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDDIS, LCDC_LCDDIS_SYNCDIS); + while ((lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_LCDSTS)) + udelay(1); + /* Disable pixel clock */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDDIS, LCDC_LCDDIS_CLKDIS); + while ((lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_CLKSTS)) + udelay(1); + /* Disable PWM */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDDIS, LCDC_LCDDIS_PWMDIS); + while ((lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_PWMSTS)) + udelay(1); + + /* Set pixel clock */ + value = get_lcdc_clk_rate(0) / panel_info.vl_clk; + if (get_lcdc_clk_rate(0) % panel_info.vl_clk) + value++; + + if (value < 1) { + /* Using system clock as pixel clock */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG0, + LCDC_LCDCFG0_CLKDIV(0) + | LCDC_LCDCFG0_CGDISHCR + | LCDC_LCDCFG0_CGDISHEO + | LCDC_LCDCFG0_CGDISOVR1 + | LCDC_LCDCFG0_CGDISBASE + | panel_info.vl_clk_pol + | LCDC_LCDCFG0_CLKSEL); + + } else { + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG0, + LCDC_LCDCFG0_CLKDIV(value - 2) + | LCDC_LCDCFG0_CGDISHCR + | LCDC_LCDCFG0_CGDISHEO + | LCDC_LCDCFG0_CGDISOVR1 + | LCDC_LCDCFG0_CGDISBASE + | panel_info.vl_clk_pol); + } + + /* Initialize control register 5 */ + value = 0; + + value |= panel_info.vl_sync; + +#ifndef LCD_OUTPUT_BPP + /* Output is 24bpp */ + value |= LCDC_LCDCFG5_MODE_OUTPUT_24BPP; +#else + switch (LCD_OUTPUT_BPP) { + case 12: + value |= LCDC_LCDCFG5_MODE_OUTPUT_12BPP; + break; + case 16: + value |= LCDC_LCDCFG5_MODE_OUTPUT_16BPP; + break; + case 18: + value |= LCDC_LCDCFG5_MODE_OUTPUT_18BPP; + break; + case 24: + value |= LCDC_LCDCFG5_MODE_OUTPUT_24BPP; + break; + default: + BUG(); + break; + } +#endif + + value |= LCDC_LCDCFG5_GUARDTIME(ATMEL_LCDC_GUARD_TIME); + value |= (LCDC_LCDCFG5_DISPDLY | LCDC_LCDCFG5_VSPDLYS); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG5, value); + + /* Vertical & Horizontal Timing */ + value = LCDC_LCDCFG1_VSPW(panel_info.vl_vsync_len - 1); + value |= LCDC_LCDCFG1_HSPW(panel_info.vl_hsync_len - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG1, value); + + value = LCDC_LCDCFG2_VBPW(panel_info.vl_lower_margin); + value |= LCDC_LCDCFG2_VFPW(panel_info.vl_upper_margin - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG2, value); + + value = LCDC_LCDCFG3_HBPW(panel_info.vl_right_margin - 1); + value |= LCDC_LCDCFG3_HFPW(panel_info.vl_left_margin - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG3, value); + + /* Display size */ + value = LCDC_LCDCFG4_RPF(panel_info.vl_row - 1); + value |= LCDC_LCDCFG4_PPL(panel_info.vl_col - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCFG4, value); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECFG0, + LCDC_BASECFG0_BLEN_AHB_INCR4 | LCDC_BASECFG0_DLBO); + + switch (NBITS(panel_info.vl_bpix)) { + case 16: + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECFG1, + LCDC_BASECFG1_RGBMODE_16BPP_RGB_565); + break; + default: + BUG(); + break; + } + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECFG2, + LCDC_BASECFG2_XSTRIDE(0)); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECFG3, 0); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECFG4, LCDC_BASECFG4_DMA); + + /* Disable all interrupts */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDIDR, ~0UL); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASEIDR, ~0UL); + + /* Setup the DMA descriptor, this descriptor will loop to itself */ + desc = (struct lcd_dma_desc *)(lcdbase - 16); + + desc->address = (u32)lcdbase; + /* Disable DMA transfer interrupt & descriptor loaded interrupt. */ + desc->control = LCDC_BASECTRL_ADDIEN | LCDC_BASECTRL_DSCRIEN + | LCDC_BASECTRL_DMAIEN | LCDC_BASECTRL_DFETCH; + desc->next = (u32)desc; + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASEADDR, desc->address); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECTRL, desc->control); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASENEXT, desc->next); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_BASECHER, LCDC_BASECHER_CHEN + | LCDC_BASECHER_UPDATEEN); + + /* Enable LCD */ + value = lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDEN, value + | LCDC_LCDEN_CLKEN); + while (!(lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_CLKSTS)) + udelay(1); + value = lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDEN, value + | LCDC_LCDEN_SYNCEN); + while (!(lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_LCDSTS)) + udelay(1); + value = lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDEN, value + | LCDC_LCDEN_DISPEN); + while (!(lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_DISPSTS)) + udelay(1); + value = lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDEN, value + | LCDC_LCDEN_PWMEN); + while (!(lcdc_readl(panel_info.mmio, ATMEL_LCDC_LCDSR) + & LCDC_LCDSR_PWMSTS)) + udelay(1); + +} diff --git a/include/atmel_hlcdc.h b/include/atmel_hlcdc.h new file mode 100644 index 0000000..344c626 --- /dev/null +++ b/include/atmel_hlcdc.h @@ -0,0 +1,225 @@ +/* + * Header file for AT91/AT32 MULTI LAYER LCD Controller + * + * Data structure and register user interface + * + * Copyright (C) 2012 Atmel Corporation + * + * 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 __ATMEL_HLCDC_H__ +#define __ATMEL_HLCDC_H__ + +/* Atmel multi layer lcdc hardware registers */ +#define ATMEL_LCDC_LCDCFG0 0x0000 +#define LCDC_LCDCFG0_CLKPOL (0x1 << 0) +#define LCDC_LCDCFG0_CLKSEL (0x1 << 2) +#define LCDC_LCDCFG0_CLKPWMSEL (0x1 << 3) +#define LCDC_LCDCFG0_CGDISBASE (0x1 << 8) +#define LCDC_LCDCFG0_CGDISOVR1 (0x1 << 9) +#define LCDC_LCDCFG0_CGDISHEO (0x1 << 11) +#define LCDC_LCDCFG0_CGDISHCR (0x1 << 12) +#define LCDC_LCDCFG0_CLKDIV_Pos 16 +#define LCDC_LCDCFG0_CLKDIV_Msk (0xff << LCDC_LCDCFG0_CLKDIV_Pos) +#define LCDC_LCDCFG0_CLKDIV(value) \ + ((LCDC_LCDCFG0_CLKDIV_Msk & ((value) << LCDC_LCDCFG0_CLKDIV_Pos))) + +#define ATMEL_LCDC_LCDCFG1 0x0004 +#define LCDC_LCDCFG1_HSPW_Pos 0 +#define LCDC_LCDCFG1_HSPW_Msk (0x3f << LCDC_LCDCFG1_HSPW_Pos) +#define LCDC_LCDCFG1_HSPW(value) \ + ((LCDC_LCDCFG1_HSPW_Msk & ((value) << LCDC_LCDCFG1_HSPW_Pos))) +#define LCDC_LCDCFG1_VSPW_Pos 16 +#define LCDC_LCDCFG1_VSPW_Msk (0x3f << LCDC_LCDCFG1_VSPW_Pos) +#define LCDC_LCDCFG1_VSPW(value) \ + ((LCDC_LCDCFG1_VSPW_Msk & ((value) << LCDC_LCDCFG1_VSPW_Pos))) + +#define ATMEL_LCDC_LCDCFG2 0x0008 +#define LCDC_LCDCFG2_VFPW_Pos 0 +#define LCDC_LCDCFG2_VFPW_Msk (0x3f << LCDC_LCDCFG2_VFPW_Pos) +#define LCDC_LCDCFG2_VFPW(value) \ + ((LCDC_LCDCFG2_VFPW_Msk & ((value) << LCDC_LCDCFG2_VFPW_Pos))) +#define LCDC_LCDCFG2_VBPW_Pos 16 +#define LCDC_LCDCFG2_VBPW_Msk (0x3f << LCDC_LCDCFG2_VBPW_Pos) +#define LCDC_LCDCFG2_VBPW(value) \ + ((LCDC_LCDCFG2_VBPW_Msk & ((value) << LCDC_LCDCFG2_VBPW_Pos))) + +#define ATMEL_LCDC_LCDCFG3 0x000C +#define LCDC_LCDCFG3_HFPW_Pos 0 +#define LCDC_LCDCFG3_HFPW_Msk (0xff << LCDC_LCDCFG3_HFPW_Pos) +#define LCDC_LCDCFG3_HFPW(value) \ + ((LCDC_LCDCFG3_HFPW_Msk & ((value) << LCDC_LCDCFG3_HFPW_Pos))) +#define LCDC_LCDCFG3_HBPW_Pos 16 +#define LCDC_LCDCFG3_HBPW_Msk (0xff << LCDC_LCDCFG3_HBPW_Pos) +#define LCDC_LCDCFG3_HBPW(value) \ + ((LCDC_LCDCFG3_HBPW_Msk & ((value) << LCDC_LCDCFG3_HBPW_Pos))) + +#define ATMEL_LCDC_LCDCFG4 0x0010 +#define LCDC_LCDCFG4_PPL_Pos 0 +#define LCDC_LCDCFG4_PPL_Msk (0x7ff << LCDC_LCDCFG4_PPL_Pos) +#define LCDC_LCDCFG4_PPL(value) \ + ((LCDC_LCDCFG4_PPL_Msk & ((value) << LCDC_LCDCFG4_PPL_Pos))) +#define LCDC_LCDCFG4_RPF_Pos 16 +#define LCDC_LCDCFG4_RPF_Msk (0x7ff << LCDC_LCDCFG4_RPF_Pos) +#define LCDC_LCDCFG4_RPF(value) \ + ((LCDC_LCDCFG4_RPF_Msk & ((value) << LCDC_LCDCFG4_RPF_Pos))) + +#define ATMEL_LCDC_LCDCFG5 0x0014 +#define LCDC_LCDCFG5_HSPOL (0x1 << 0) +#define LCDC_LCDCFG5_VSPOL (0x1 << 1) +#define LCDC_LCDCFG5_VSPDLYS (0x1 << 2) +#define LCDC_LCDCFG5_VSPDLYE (0x1 << 3) +#define LCDC_LCDCFG5_DISPPOL (0x1 << 4) +#define LCDC_LCDCFG5_SERIAL (0x1 << 5) +#define LCDC_LCDCFG5_DITHER (0x1 << 6) +#define LCDC_LCDCFG5_DISPDLY (0x1 << 7) +#define LCDC_LCDCFG5_MODE_Pos 8 +#define LCDC_LCDCFG5_MODE_Msk (0x3 << LCDC_LCDCFG5_MODE_Pos) +#define LCDC_LCDCFG5_MODE_OUTPUT_12BPP (0x0 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_16BPP (0x1 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_18BPP (0x2 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_24BPP (0x3 << 8) +#define LCDC_LCDCFG5_VSPSU (0x1 << 12) +#define LCDC_LCDCFG5_VSPHO (0x1 << 13) +#define LCDC_LCDCFG5_GUARDTIME_Pos 16 +#define LCDC_LCDCFG5_GUARDTIME_Msk (0x1f << LCDC_LCDCFG5_GUARDTIME_Pos) +#define LCDC_LCDCFG5_GUARDTIME(value) \ + ((LCDC_LCDCFG5_GUARDTIME_Msk & ((value) << LCDC_LCDCFG5_GUARDTIME_Pos))) + +#define ATMEL_LCDC_LCDCFG6 0x0018 +#define LCDC_LCDCFG6_PWMPS_Pos 0 +#define LCDC_LCDCFG6_PWMPS_Msk (0x7 << LCDC_LCDCFG6_PWMPS_Pos) +#define LCDC_LCDCFG6_PWMPS(value) \ + ((LCDC_LCDCFG6_PWMPS_Msk & ((value) << LCDC_LCDCFG6_PWMPS_Pos))) +#define LCDC_LCDCFG6_PWMPOL (0x1 << 4) +#define LCDC_LCDCFG6_PWMCVAL_Pos 8 +#define LCDC_LCDCFG6_PWMCVAL_Msk (0xff << LCDC_LCDCFG6_PWMCVAL_Pos) +#define LCDC_LCDCFG6_PWMCVAL(value) \ + ((LCDC_LCDCFG6_PWMCVAL_Msk & ((value) << LCDC_LCDCFG6_PWMCVAL_Pos))) + +#define ATMEL_LCDC_LCDEN 0x0020 +#define LCDC_LCDEN_CLKEN (0x1 << 0) +#define LCDC_LCDEN_SYNCEN (0x1 << 1) +#define LCDC_LCDEN_DISPEN (0x1 << 2) +#define LCDC_LCDEN_PWMEN (0x1 << 3) + +#define ATMEL_LCDC_LCDDIS 0x0024 +#define LCDC_LCDDIS_CLKDIS (0x1 << 0) +#define LCDC_LCDDIS_SYNCDIS (0x1 << 1) +#define LCDC_LCDDIS_DISPDIS (0x1 << 2) +#define LCDC_LCDDIS_PWMDIS (0x1 << 3) +#define LCDC_LCDDIS_CLKRST (0x1 << 8) +#define LCDC_LCDDIS_SYNCRST (0x1 << 9) +#define LCDC_LCDDIS_DISPRST (0x1 << 10) +#define LCDC_LCDDIS_PWMRST (0x1 << 11) + +#define ATMEL_LCDC_LCDSR 0x0028 + +#define LCDC_LCDSR_CLKSTS (0x1 << 0) +#define LCDC_LCDSR_LCDSTS (0x1 << 1) +#define LCDC_LCDSR_DISPSTS (0x1 << 2) +#define LCDC_LCDSR_PWMSTS (0x1 << 3) +#define LCDC_LCDSR_SIPSTS (0x1 << 4) + +#define ATMEL_LCDC_LCDIDR 0x0030 +#define LCDC_LCDIDR_SOFID (0x1 << 0) +#define LCDC_LCDIDR_DISID (0x1 << 1) +#define LCDC_LCDIDR_DISPID (0x1 << 2) +#define LCDC_LCDIDR_FIFOERRID (0x1 << 4) +#define LCDC_LCDIDR_BASEID (0x1 << 8) +#define LCDC_LCDIDR_OVR1ID (0x1 << 9) +#define LCDC_LCDIDR_HEOID (0x1 << 11) +#define LCDC_LCDIDR_HCRID (0x1 << 12) + +#define ATMEL_LCDC_BASECHER 0x0040 +#define LCDC_BASECHER_CHEN (0x1 << 0) +#define LCDC_BASECHER_UPDATEEN (0x1 << 1) +#define LCDC_BASECHER_A2QEN (0x1 << 2) + +#define ATMEL_LCDC_BASEIDR 0x0050 +#define LCDC_BASEIDR_DMA (0x1 << 2) +#define LCDC_BASEIDR_DSCR (0x1 << 3) +#define LCDC_BASEIDR_ADD (0x1 << 4) +#define LCDC_BASEIDR_DONE (0x1 << 5) +#define LCDC_BASEIDR_OVR (0x1 << 6) + +#define ATMEL_LCDC_BASEADDR 0x0060 + +#define ATMEL_LCDC_BASECTRL 0x0064 +#define LCDC_BASECTRL_DFETCH (0x1 << 0) +#define LCDC_BASECTRL_LFETCH (0x1 << 1) +#define LCDC_BASECTRL_DMAIEN (0x1 << 2) +#define LCDC_BASECTRL_DSCRIEN (0x1 << 3) +#define LCDC_BASECTRL_ADDIEN (0x1 << 4) +#define LCDC_BASECTRL_DONEIEN (0x1 << 5) + +#define ATMEL_LCDC_BASENEXT 0x0068 +#define ATMEL_LCDC_BASECFG0 0x006C +#define LCDC_BASECFG0_BLEN_Pos 4 +#define LCDC_BASECFG0_BLEN_AHB_SINGLE (0x0 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR4 (0x1 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR8 (0x2 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR16 (0x3 << 4) +#define LCDC_BASECFG0_DLBO (0x1 << 8) + +#define ATMEL_LCDC_BASECFG1 0x0070 +#define LCDC_BASECFG1_RGBMODE_12BPP_RGB_444 (0x0 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_ARGB_4444 (0x1 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_RGBA_4444 (0x2 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_RGB_565 (0x3 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_TRGB_1555 (0x4 << 4) +#define LCDC_BASECFG1_RGBMODE_18BPP_RGB_666 (0x5 << 4) +#define LCDC_BASECFG1_RGBMODE_18BPP_RGB_666_PACKED (0x6 << 4) +#define LCDC_BASECFG1_RGBMODE_19BPP_TRGB_1666 (0x7 << 4) +#define LCDC_BASECFG1_RGBMODE_19BPP_TRGB_PACKED (0x8 << 4) +#define LCDC_BASECFG1_RGBMODE_24BPP_RGB_888 (0x9 << 4) +#define LCDC_BASECFG1_RGBMODE_24BPP_RGB_888_PACKED (0xA << 4) +#define LCDC_BASECFG1_RGBMODE_25BPP_TRGB_1888 (0xB << 4) +#define LCDC_BASECFG1_RGBMODE_32BPP_ARGB_8888 (0xC << 4) +#define LCDC_BASECFG1_RGBMODE_32BPP_RGBA_8888 (0xD << 4) + +#define ATMEL_LCDC_BASECFG2 0x0074 +#define LCDC_BASECFG2_XSTRIDE_Pos 0 +#define LCDC_BASECFG2_XSTRIDE_Msk (0xffffffff << LCDC_BASECFG2_XSTRIDE_Pos) +#define LCDC_BASECFG2_XSTRIDE(value) \ + ((LCDC_BASECFG2_XSTRIDE_Msk & ((value) << LCDC_BASECFG2_XSTRIDE_Pos))) + +#define ATMEL_LCDC_BASECFG3 0x0078 +#define LCDC_BASECFG3_BDEF_Pos 0 +#define LCDC_BASECFG3_BDEF_Msk (0xff << LCDC_BASECFG3_BDEF_Pos) +#define LCDC_BASECFG3_BDEF(value) \ + ((LCDC_BASECFG3_BDEF_Msk & ((value) << LCDC_BASECFG3_BDEF_Pos))) +#define LCDC_BASECFG3_GDEF_Pos 8 +#define LCDC_BASECFG3_GDEF_Msk (0xff << LCDC_BASECFG3_GDEF_Pos) +#define LCDC_BASECFG3_GDEF(value) \ + ((LCDC_BASECFG3_GDEF_Msk & ((value) << LCDC_BASECFG3_GDEF_Pos))) +#define LCDC_BASECFG3_RDEF_Pos 16 +#define LCDC_BASECFG3_RDEF_Msk (0xff << LCDC_BASECFG3_RDEF_Pos) +#define LCDC_BASECFG3_RDEF(value) \ + ((LCDC_BASECFG3_RDEF_Msk & ((value) << LCDC_BASECFG3_RDEF_Pos))) + +#define ATMEL_LCDC_BASECFG4 0x007C +#define LCDC_BASECFG4_DMA (0x1 << 8) +#define LCDC_BASECFG4_REP (0x1 << 9) + +struct lcd_dma_desc { + u32 address; + u32 control; + u32 next; +}; + +#define ATMEL_LCDC_LUT(n) (0x0400 + ((n)*4)) + +#endif /* __ATMEL_HLCDC_H__ */ diff --git a/include/lcd.h b/include/lcd.h index d95feeb..d4f96e2 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -157,7 +157,7 @@ typedef struct vidinfo { struct pxafb_info pxa; } vidinfo_t;
-#elif defined(CONFIG_ATMEL_LCD) +#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
typedef struct vidinfo { ushort vl_col; /* Number of columns (i.e. 640) */ @@ -169,6 +169,7 @@ typedef struct vidinfo { u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ u_long vl_tft; /* 0 = passive, 1 = TFT */ u_long vl_cont_pol_low; /* contrast polarity is low */ + u_long vl_clk_pol; /* clock polarity */
/* Horizontal control register. */ u_long vl_hsync_len; /* Length of horizontal sync */
From: Bo Shen voice.shen@atmel.com
The new Atmel SoC (at91sam9x5 series and at91sam9n12) add a totally different LCD controller. Add this new driver to support it.
Using CONFIG_ATMEL_HLCD (distinguish with CONFIG_ATMEL_LCD) to enable this in board configuration file.
Signed-off-by: Bo Shen voice.shen@atmel.com Signed-off-by: Anatolij Gustschin agust@denx.de --- Changes since v2: - rebase on current tree - convert to use struct for register offsets - fix indentation in header file - slightly revise commit log
drivers/video/Makefile | 1 + drivers/video/atmel_hlcdfb.c | 211 ++++++++++++++++++++++++++++++++++++++ include/atmel_hlcdc.h | 231 ++++++++++++++++++++++++++++++++++++++++++ include/lcd.h | 3 +- 4 files changed, 445 insertions(+), 1 deletions(-) create mode 100644 drivers/video/atmel_hlcdfb.c create mode 100644 include/atmel_hlcdc.h
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 4fad20d..9b8907b 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libvideo.o
COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o videomodes.o +COBJS-$(CONFIG_ATMEL_HLCD) += atmel_hlcdfb.o COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o COBJS-$(CONFIG_EXYNOS_FB) += exynos_fb.o exynos_fimd.o diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c new file mode 100644 index 0000000..beb7fa3 --- /dev/null +++ b/drivers/video/atmel_hlcdfb.c @@ -0,0 +1,211 @@ +/* + * Driver for AT91/AT32 MULTI LAYER LCD Controller + * + * Copyright (C) 2012 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <lcd.h> +#include <atmel_hlcdc.h> + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col; +short console_row; + +/* configurable parameters */ +#define ATMEL_LCDC_CVAL_DEFAULT 0xc8 +#define ATMEL_LCDC_DMA_BURST_LEN 8 +#ifndef ATMEL_LCDC_GUARD_TIME +#define ATMEL_LCDC_GUARD_TIME 1 +#endif + +#define ATMEL_LCDC_FIFO_SIZE 512 + +#define lcdc_readl(reg) __raw_readl((reg)) +#define lcdc_writel(reg, val) __raw_writel((val), (reg)) + +void lcd_ctrl_init(void *lcdbase) +{ + unsigned long value; + struct lcd_dma_desc *desc; + struct atmel_hlcd_regs *regs; + + if (!has_lcdc()) + return; /* No lcdc */ + + regs = (struct atmel_hlcd_regs *)panel_info.mmio; + + /* Disable DISP signal */ + lcdc_writel(®s->lcdc_lcddis, LCDC_LCDDIS_DISPDIS); + while ((lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_DISPSTS)) + udelay(1); + /* Disable synchronization */ + lcdc_writel(®s->lcdc_lcddis, LCDC_LCDDIS_SYNCDIS); + while ((lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_LCDSTS)) + udelay(1); + /* Disable pixel clock */ + lcdc_writel(®s->lcdc_lcddis, LCDC_LCDDIS_CLKDIS); + while ((lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_CLKSTS)) + udelay(1); + /* Disable PWM */ + lcdc_writel(®s->lcdc_lcddis, LCDC_LCDDIS_PWMDIS); + while ((lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_PWMSTS)) + udelay(1); + + /* Set pixel clock */ + value = get_lcdc_clk_rate(0) / panel_info.vl_clk; + if (get_lcdc_clk_rate(0) % panel_info.vl_clk) + value++; + + if (value < 1) { + /* Using system clock as pixel clock */ + lcdc_writel(®s->lcdc_lcdcfg0, + LCDC_LCDCFG0_CLKDIV(0) + | LCDC_LCDCFG0_CGDISHCR + | LCDC_LCDCFG0_CGDISHEO + | LCDC_LCDCFG0_CGDISOVR1 + | LCDC_LCDCFG0_CGDISBASE + | panel_info.vl_clk_pol + | LCDC_LCDCFG0_CLKSEL); + + } else { + lcdc_writel(®s->lcdc_lcdcfg0, + LCDC_LCDCFG0_CLKDIV(value - 2) + | LCDC_LCDCFG0_CGDISHCR + | LCDC_LCDCFG0_CGDISHEO + | LCDC_LCDCFG0_CGDISOVR1 + | LCDC_LCDCFG0_CGDISBASE + | panel_info.vl_clk_pol); + } + + /* Initialize control register 5 */ + value = 0; + + value |= panel_info.vl_sync; + +#ifndef LCD_OUTPUT_BPP + /* Output is 24bpp */ + value |= LCDC_LCDCFG5_MODE_OUTPUT_24BPP; +#else + switch (LCD_OUTPUT_BPP) { + case 12: + value |= LCDC_LCDCFG5_MODE_OUTPUT_12BPP; + break; + case 16: + value |= LCDC_LCDCFG5_MODE_OUTPUT_16BPP; + break; + case 18: + value |= LCDC_LCDCFG5_MODE_OUTPUT_18BPP; + break; + case 24: + value |= LCDC_LCDCFG5_MODE_OUTPUT_24BPP; + break; + default: + BUG(); + break; + } +#endif + + value |= LCDC_LCDCFG5_GUARDTIME(ATMEL_LCDC_GUARD_TIME); + value |= (LCDC_LCDCFG5_DISPDLY | LCDC_LCDCFG5_VSPDLYS); + lcdc_writel(®s->lcdc_lcdcfg5, value); + + /* Vertical & Horizontal Timing */ + value = LCDC_LCDCFG1_VSPW(panel_info.vl_vsync_len - 1); + value |= LCDC_LCDCFG1_HSPW(panel_info.vl_hsync_len - 1); + lcdc_writel(®s->lcdc_lcdcfg1, value); + + value = LCDC_LCDCFG2_VBPW(panel_info.vl_lower_margin); + value |= LCDC_LCDCFG2_VFPW(panel_info.vl_upper_margin - 1); + lcdc_writel(®s->lcdc_lcdcfg2, value); + + value = LCDC_LCDCFG3_HBPW(panel_info.vl_right_margin - 1); + value |= LCDC_LCDCFG3_HFPW(panel_info.vl_left_margin - 1); + lcdc_writel(®s->lcdc_lcdcfg3, value); + + /* Display size */ + value = LCDC_LCDCFG4_RPF(panel_info.vl_row - 1); + value |= LCDC_LCDCFG4_PPL(panel_info.vl_col - 1); + lcdc_writel(®s->lcdc_lcdcfg4, value); + + lcdc_writel(®s->lcdc_basecfg0, + LCDC_BASECFG0_BLEN_AHB_INCR4 | LCDC_BASECFG0_DLBO); + + switch (NBITS(panel_info.vl_bpix)) { + case 16: + lcdc_writel(®s->lcdc_basecfg1, + LCDC_BASECFG1_RGBMODE_16BPP_RGB_565); + break; + default: + BUG(); + break; + } + + lcdc_writel(®s->lcdc_basecfg2, LCDC_BASECFG2_XSTRIDE(0)); + lcdc_writel(®s->lcdc_basecfg3, 0); + lcdc_writel(®s->lcdc_basecfg4, LCDC_BASECFG4_DMA); + + /* Disable all interrupts */ + lcdc_writel(®s->lcdc_lcdidr, ~0UL); + lcdc_writel(®s->lcdc_baseidr, ~0UL); + + /* Setup the DMA descriptor, this descriptor will loop to itself */ + desc = (struct lcd_dma_desc *)(lcdbase - 16); + + desc->address = (u32)lcdbase; + /* Disable DMA transfer interrupt & descriptor loaded interrupt. */ + desc->control = LCDC_BASECTRL_ADDIEN | LCDC_BASECTRL_DSCRIEN + | LCDC_BASECTRL_DMAIEN | LCDC_BASECTRL_DFETCH; + desc->next = (u32)desc; + + lcdc_writel(®s->lcdc_baseaddr, desc->address); + lcdc_writel(®s->lcdc_basectrl, desc->control); + lcdc_writel(®s->lcdc_basenext, desc->next); + lcdc_writel(®s->lcdc_basecher, LCDC_BASECHER_CHEN | + LCDC_BASECHER_UPDATEEN); + + /* Enable LCD */ + value = lcdc_readl(®s->lcdc_lcden); + lcdc_writel(®s->lcdc_lcden, value | LCDC_LCDEN_CLKEN); + while (!(lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_CLKSTS)) + udelay(1); + value = lcdc_readl(®s->lcdc_lcden); + lcdc_writel(®s->lcdc_lcden, value | LCDC_LCDEN_SYNCEN); + while (!(lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_LCDSTS)) + udelay(1); + value = lcdc_readl(®s->lcdc_lcden); + lcdc_writel(®s->lcdc_lcden, value | LCDC_LCDEN_DISPEN); + while (!(lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_DISPSTS)) + udelay(1); + value = lcdc_readl(®s->lcdc_lcden); + lcdc_writel(®s->lcdc_lcden, value | LCDC_LCDEN_PWMEN); + while (!(lcdc_readl(®s->lcdc_lcdsr) & LCDC_LCDSR_PWMSTS)) + udelay(1); +} diff --git a/include/atmel_hlcdc.h b/include/atmel_hlcdc.h new file mode 100644 index 0000000..945b30a --- /dev/null +++ b/include/atmel_hlcdc.h @@ -0,0 +1,231 @@ +/* + * Header file for AT91/AT32 MULTI LAYER LCD Controller + * + * Data structure and register user interface + * + * Copyright (C) 2012 Atmel Corporation + * + * 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 __ATMEL_HLCDC_H__ +#define __ATMEL_HLCDC_H__ + +/* Atmel multi layer lcdc hardware registers */ +struct atmel_hlcd_regs { + u32 lcdc_lcdcfg0; + u32 lcdc_lcdcfg1; + u32 lcdc_lcdcfg2; + u32 lcdc_lcdcfg3; + u32 lcdc_lcdcfg4; + u32 lcdc_lcdcfg5; + u32 lcdc_lcdcfg6; + u32 res1; + u32 lcdc_lcden; + u32 lcdc_lcddis; + u32 lcdc_lcdsr; + u32 res2; + u32 lcdc_lcdidr; + u32 res3[3]; + u32 lcdc_basecher; + u32 res4[3]; + u32 lcdc_baseidr; + u32 res5[3]; + u32 lcdc_baseaddr; + u32 lcdc_basectrl; + u32 lcdc_basenext; + u32 lcdc_basecfg0; + u32 lcdc_basecfg1; + u32 lcdc_basecfg2; + u32 lcdc_basecfg3; + u32 lcdc_basecfg4; +}; + +#define LCDC_LCDCFG0_CLKPOL (0x1 << 0) +#define LCDC_LCDCFG0_CLKSEL (0x1 << 2) +#define LCDC_LCDCFG0_CLKPWMSEL (0x1 << 3) +#define LCDC_LCDCFG0_CGDISBASE (0x1 << 8) +#define LCDC_LCDCFG0_CGDISOVR1 (0x1 << 9) +#define LCDC_LCDCFG0_CGDISHEO (0x1 << 11) +#define LCDC_LCDCFG0_CGDISHCR (0x1 << 12) +#define LCDC_LCDCFG0_CLKDIV_Pos 16 +#define LCDC_LCDCFG0_CLKDIV_Msk (0xff << LCDC_LCDCFG0_CLKDIV_Pos) +#define LCDC_LCDCFG0_CLKDIV(value) \ + ((LCDC_LCDCFG0_CLKDIV_Msk & ((value) << LCDC_LCDCFG0_CLKDIV_Pos))) + +#define LCDC_LCDCFG1_HSPW_Pos 0 +#define LCDC_LCDCFG1_HSPW_Msk (0x3f << LCDC_LCDCFG1_HSPW_Pos) +#define LCDC_LCDCFG1_HSPW(value) \ + ((LCDC_LCDCFG1_HSPW_Msk & ((value) << LCDC_LCDCFG1_HSPW_Pos))) +#define LCDC_LCDCFG1_VSPW_Pos 16 +#define LCDC_LCDCFG1_VSPW_Msk (0x3f << LCDC_LCDCFG1_VSPW_Pos) +#define LCDC_LCDCFG1_VSPW(value) \ + ((LCDC_LCDCFG1_VSPW_Msk & ((value) << LCDC_LCDCFG1_VSPW_Pos))) + +#define LCDC_LCDCFG2_VFPW_Pos 0 +#define LCDC_LCDCFG2_VFPW_Msk (0x3f << LCDC_LCDCFG2_VFPW_Pos) +#define LCDC_LCDCFG2_VFPW(value) \ + ((LCDC_LCDCFG2_VFPW_Msk & ((value) << LCDC_LCDCFG2_VFPW_Pos))) +#define LCDC_LCDCFG2_VBPW_Pos 16 +#define LCDC_LCDCFG2_VBPW_Msk (0x3f << LCDC_LCDCFG2_VBPW_Pos) +#define LCDC_LCDCFG2_VBPW(value) \ + ((LCDC_LCDCFG2_VBPW_Msk & ((value) << LCDC_LCDCFG2_VBPW_Pos))) + +#define LCDC_LCDCFG3_HFPW_Pos 0 +#define LCDC_LCDCFG3_HFPW_Msk (0xff << LCDC_LCDCFG3_HFPW_Pos) +#define LCDC_LCDCFG3_HFPW(value) \ + ((LCDC_LCDCFG3_HFPW_Msk & ((value) << LCDC_LCDCFG3_HFPW_Pos))) +#define LCDC_LCDCFG3_HBPW_Pos 16 +#define LCDC_LCDCFG3_HBPW_Msk (0xff << LCDC_LCDCFG3_HBPW_Pos) +#define LCDC_LCDCFG3_HBPW(value) \ + ((LCDC_LCDCFG3_HBPW_Msk & ((value) << LCDC_LCDCFG3_HBPW_Pos))) + +#define LCDC_LCDCFG4_PPL_Pos 0 +#define LCDC_LCDCFG4_PPL_Msk (0x7ff << LCDC_LCDCFG4_PPL_Pos) +#define LCDC_LCDCFG4_PPL(value) \ + ((LCDC_LCDCFG4_PPL_Msk & ((value) << LCDC_LCDCFG4_PPL_Pos))) +#define LCDC_LCDCFG4_RPF_Pos 16 +#define LCDC_LCDCFG4_RPF_Msk (0x7ff << LCDC_LCDCFG4_RPF_Pos) +#define LCDC_LCDCFG4_RPF(value) \ + ((LCDC_LCDCFG4_RPF_Msk & ((value) << LCDC_LCDCFG4_RPF_Pos))) + +#define LCDC_LCDCFG5_HSPOL (0x1 << 0) +#define LCDC_LCDCFG5_VSPOL (0x1 << 1) +#define LCDC_LCDCFG5_VSPDLYS (0x1 << 2) +#define LCDC_LCDCFG5_VSPDLYE (0x1 << 3) +#define LCDC_LCDCFG5_DISPPOL (0x1 << 4) +#define LCDC_LCDCFG5_SERIAL (0x1 << 5) +#define LCDC_LCDCFG5_DITHER (0x1 << 6) +#define LCDC_LCDCFG5_DISPDLY (0x1 << 7) +#define LCDC_LCDCFG5_MODE_Pos 8 +#define LCDC_LCDCFG5_MODE_Msk (0x3 << LCDC_LCDCFG5_MODE_Pos) +#define LCDC_LCDCFG5_MODE_OUTPUT_12BPP (0x0 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_16BPP (0x1 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_18BPP (0x2 << 8) +#define LCDC_LCDCFG5_MODE_OUTPUT_24BPP (0x3 << 8) +#define LCDC_LCDCFG5_VSPSU (0x1 << 12) +#define LCDC_LCDCFG5_VSPHO (0x1 << 13) +#define LCDC_LCDCFG5_GUARDTIME_Pos 16 +#define LCDC_LCDCFG5_GUARDTIME_Msk (0x1f << LCDC_LCDCFG5_GUARDTIME_Pos) +#define LCDC_LCDCFG5_GUARDTIME(value) \ + ((LCDC_LCDCFG5_GUARDTIME_Msk & ((value) << LCDC_LCDCFG5_GUARDTIME_Pos))) + +#define LCDC_LCDCFG6_PWMPS_Pos 0 +#define LCDC_LCDCFG6_PWMPS_Msk (0x7 << LCDC_LCDCFG6_PWMPS_Pos) +#define LCDC_LCDCFG6_PWMPS(value) \ + ((LCDC_LCDCFG6_PWMPS_Msk & ((value) << LCDC_LCDCFG6_PWMPS_Pos))) +#define LCDC_LCDCFG6_PWMPOL (0x1 << 4) +#define LCDC_LCDCFG6_PWMCVAL_Pos 8 +#define LCDC_LCDCFG6_PWMCVAL_Msk (0xff << LCDC_LCDCFG6_PWMCVAL_Pos) +#define LCDC_LCDCFG6_PWMCVAL(value) \ + ((LCDC_LCDCFG6_PWMCVAL_Msk & ((value) << LCDC_LCDCFG6_PWMCVAL_Pos))) + +#define LCDC_LCDEN_CLKEN (0x1 << 0) +#define LCDC_LCDEN_SYNCEN (0x1 << 1) +#define LCDC_LCDEN_DISPEN (0x1 << 2) +#define LCDC_LCDEN_PWMEN (0x1 << 3) + +#define LCDC_LCDDIS_CLKDIS (0x1 << 0) +#define LCDC_LCDDIS_SYNCDIS (0x1 << 1) +#define LCDC_LCDDIS_DISPDIS (0x1 << 2) +#define LCDC_LCDDIS_PWMDIS (0x1 << 3) +#define LCDC_LCDDIS_CLKRST (0x1 << 8) +#define LCDC_LCDDIS_SYNCRST (0x1 << 9) +#define LCDC_LCDDIS_DISPRST (0x1 << 10) +#define LCDC_LCDDIS_PWMRST (0x1 << 11) + +#define LCDC_LCDSR_CLKSTS (0x1 << 0) +#define LCDC_LCDSR_LCDSTS (0x1 << 1) +#define LCDC_LCDSR_DISPSTS (0x1 << 2) +#define LCDC_LCDSR_PWMSTS (0x1 << 3) +#define LCDC_LCDSR_SIPSTS (0x1 << 4) + +#define LCDC_LCDIDR_SOFID (0x1 << 0) +#define LCDC_LCDIDR_DISID (0x1 << 1) +#define LCDC_LCDIDR_DISPID (0x1 << 2) +#define LCDC_LCDIDR_FIFOERRID (0x1 << 4) +#define LCDC_LCDIDR_BASEID (0x1 << 8) +#define LCDC_LCDIDR_OVR1ID (0x1 << 9) +#define LCDC_LCDIDR_HEOID (0x1 << 11) +#define LCDC_LCDIDR_HCRID (0x1 << 12) + +#define LCDC_BASECHER_CHEN (0x1 << 0) +#define LCDC_BASECHER_UPDATEEN (0x1 << 1) +#define LCDC_BASECHER_A2QEN (0x1 << 2) + +#define LCDC_BASEIDR_DMA (0x1 << 2) +#define LCDC_BASEIDR_DSCR (0x1 << 3) +#define LCDC_BASEIDR_ADD (0x1 << 4) +#define LCDC_BASEIDR_DONE (0x1 << 5) +#define LCDC_BASEIDR_OVR (0x1 << 6) + +#define LCDC_BASECTRL_DFETCH (0x1 << 0) +#define LCDC_BASECTRL_LFETCH (0x1 << 1) +#define LCDC_BASECTRL_DMAIEN (0x1 << 2) +#define LCDC_BASECTRL_DSCRIEN (0x1 << 3) +#define LCDC_BASECTRL_ADDIEN (0x1 << 4) +#define LCDC_BASECTRL_DONEIEN (0x1 << 5) + +#define LCDC_BASECFG0_BLEN_Pos 4 +#define LCDC_BASECFG0_BLEN_AHB_SINGLE (0x0 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR4 (0x1 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR8 (0x2 << 4) +#define LCDC_BASECFG0_BLEN_AHB_INCR16 (0x3 << 4) +#define LCDC_BASECFG0_DLBO (0x1 << 8) + +#define LCDC_BASECFG1_RGBMODE_12BPP_RGB_444 (0x0 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_ARGB_4444 (0x1 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_RGBA_4444 (0x2 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_RGB_565 (0x3 << 4) +#define LCDC_BASECFG1_RGBMODE_16BPP_TRGB_1555 (0x4 << 4) +#define LCDC_BASECFG1_RGBMODE_18BPP_RGB_666 (0x5 << 4) +#define LCDC_BASECFG1_RGBMODE_18BPP_RGB_666_PACKED (0x6 << 4) +#define LCDC_BASECFG1_RGBMODE_19BPP_TRGB_1666 (0x7 << 4) +#define LCDC_BASECFG1_RGBMODE_19BPP_TRGB_PACKED (0x8 << 4) +#define LCDC_BASECFG1_RGBMODE_24BPP_RGB_888 (0x9 << 4) +#define LCDC_BASECFG1_RGBMODE_24BPP_RGB_888_PACKED (0xA << 4) +#define LCDC_BASECFG1_RGBMODE_25BPP_TRGB_1888 (0xB << 4) +#define LCDC_BASECFG1_RGBMODE_32BPP_ARGB_8888 (0xC << 4) +#define LCDC_BASECFG1_RGBMODE_32BPP_RGBA_8888 (0xD << 4) + +#define LCDC_BASECFG2_XSTRIDE_Pos 0 +#define LCDC_BASECFG2_XSTRIDE_Msk (0xffffffff << LCDC_BASECFG2_XSTRIDE_Pos) +#define LCDC_BASECFG2_XSTRIDE(value) \ + ((LCDC_BASECFG2_XSTRIDE_Msk & ((value) << LCDC_BASECFG2_XSTRIDE_Pos))) + +#define LCDC_BASECFG3_BDEF_Pos 0 +#define LCDC_BASECFG3_BDEF_Msk (0xff << LCDC_BASECFG3_BDEF_Pos) +#define LCDC_BASECFG3_BDEF(value) \ + ((LCDC_BASECFG3_BDEF_Msk & ((value) << LCDC_BASECFG3_BDEF_Pos))) +#define LCDC_BASECFG3_GDEF_Pos 8 +#define LCDC_BASECFG3_GDEF_Msk (0xff << LCDC_BASECFG3_GDEF_Pos) +#define LCDC_BASECFG3_GDEF(value) \ + ((LCDC_BASECFG3_GDEF_Msk & ((value) << LCDC_BASECFG3_GDEF_Pos))) +#define LCDC_BASECFG3_RDEF_Pos 16 +#define LCDC_BASECFG3_RDEF_Msk (0xff << LCDC_BASECFG3_RDEF_Pos) +#define LCDC_BASECFG3_RDEF(value) \ + ((LCDC_BASECFG3_RDEF_Msk & ((value) << LCDC_BASECFG3_RDEF_Pos))) + +#define LCDC_BASECFG4_DMA (0x1 << 8) +#define LCDC_BASECFG4_REP (0x1 << 9) + +struct lcd_dma_desc { + u32 address; + u32 control; + u32 next; +}; + +#define ATMEL_LCDC_LUT(n) (0x0400 + ((n)*4)) + +#endif /* __ATMEL_HLCDC_H__ */ diff --git a/include/lcd.h b/include/lcd.h index ee47247..6e0a2a3 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -158,7 +158,7 @@ typedef struct vidinfo { struct pxafb_info pxa; } vidinfo_t;
-#elif defined(CONFIG_ATMEL_LCD) +#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
typedef struct vidinfo { ushort vl_col; /* Number of columns (i.e. 640) */ @@ -170,6 +170,7 @@ typedef struct vidinfo { u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ u_long vl_tft; /* 0 = passive, 1 = TFT */ u_long vl_cont_pol_low; /* contrast polarity is low */ + u_long vl_clk_pol; /* clock polarity */
/* Horizontal control register. */ u_long vl_hsync_len; /* Length of horizontal sync */
Hi Anatolij,
On 5/25/2012 18:59, Anatolij Gustschin wrote:
From: Bo Shenvoice.shen@atmel.com
The new Atmel SoC (at91sam9x5 series and at91sam9n12) add a totally different LCD controller. Add this new driver to support it.
Using CONFIG_ATMEL_HLCD (distinguish with CONFIG_ATMEL_LCD) to enable this in board configuration file.
Signed-off-by: Bo Shenvoice.shen@atmel.com Signed-off-by: Anatolij Gustschinagust@denx.de
Changes since v2:
- rebase on current tree
- convert to use struct for register offsets
- fix indentation in header file
- slightly revise commit log
drivers/video/Makefile | 1 + drivers/video/atmel_hlcdfb.c | 211 ++++++++++++++++++++++++++++++++++++++ include/atmel_hlcdc.h | 231 ++++++++++++++++++++++++++++++++++++++++++ include/lcd.h | 3 +- 4 files changed, 445 insertions(+), 1 deletions(-) create mode 100644 drivers/video/atmel_hlcdfb.c create mode 100644 include/atmel_hlcdc.h
Verified on Atmel SoC. It works well. Thanks
Best Regards, Bo Shen
On Fri, 25 May 2012 12:59:58 +0200 Anatolij Gustschin agust@denx.de wrote:
From: Bo Shen voice.shen@atmel.com
The new Atmel SoC (at91sam9x5 series and at91sam9n12) add a totally different LCD controller. Add this new driver to support it.
Using CONFIG_ATMEL_HLCD (distinguish with CONFIG_ATMEL_LCD) to enable this in board configuration file.
Signed-off-by: Bo Shen voice.shen@atmel.com Signed-off-by: Anatolij Gustschin agust@denx.de
Changes since v2:
- rebase on current tree
- convert to use struct for register offsets
- fix indentation in header file
- slightly revise commit log
drivers/video/Makefile | 1 + drivers/video/atmel_hlcdfb.c | 211 ++++++++++++++++++++++++++++++++++++++ include/atmel_hlcdc.h | 231 ++++++++++++++++++++++++++++++++++++++++++ include/lcd.h | 3 +- 4 files changed, 445 insertions(+), 1 deletions(-) create mode 100644 drivers/video/atmel_hlcdfb.c create mode 100644 include/atmel_hlcdc.h
Applied to u-boot-video/master. Thanks!
Anatolij
Hi,
On Tue, 22 May 2012 16:47:29 +0800 Bo Shen voice.shen@atmel.com wrote: ...
diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c new file mode 100644 index 0000000..0fd7800 --- /dev/null +++ b/drivers/video/atmel_hlcdfb.c
...
+#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg)) +#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg))
Wolfgang won't accept base + offset for register access, we should use struct instead. Converted patch is on the way, please review/test.
Thanks, Anatolij
Hi Anatolig,
On 5/25/2012 19:04, Anatolij Gustschin wrote:
Hi,
On Tue, 22 May 2012 16:47:29 +0800 Bo Shenvoice.shen@atmel.com wrote: ...
diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c new file mode 100644 index 0000000..0fd7800 --- /dev/null +++ b/drivers/video/atmel_hlcdfb.c
...
+#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg)) +#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg))
Wolfgang won't accept base + offset for register access, we should use struct instead. Converted patch is on the way, please review/test.
This converted patch has been verified. It works well on Atmel SoC (at91sam9x5ek, and etc).
Thanks, Anatolij
participants (2)
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Anatolij Gustschin -
Bo Shen