diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/mxc_epdc_fb.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/video/mxc_epdc_fb.c b/drivers/video/mxc_epdc_fb.c index 5a400e1..cd18058 100644 --- a/drivers/video/mxc_epdc_fb.c +++ b/drivers/video/mxc_epdc_fb.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2014 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. All Rights Reserved. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -13,6 +13,7 @@ #include <linux/list.h> #include <linux/err.h> #include <linux/types.h> +#include <malloc.h> #include <mxc_epdc_fb.h> @@ -353,7 +354,6 @@ void lcd_enable(void) epdc_power_on(); - lcd_base = (void *)CONFIG_FB_BASE; /* 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); @@ -397,6 +397,22 @@ void lcd_ctrl_init(void *lcdbase) if (!lcdbase) return; + panel_info.epdc_data.working_buf_addr = (u_long)memalign(ARCH_DMA_MINALIGN, + panel_info.vl_col * panel_info.vl_row * 2); + + if (!panel_info.epdc_data.working_buf_addr) { + printf("EPDC: Error allocating working buffer!\n"); + return; + } + + panel_info.epdc_data.waveform_buf_addr = (u_long)memalign(ARCH_DMA_MINALIGN, + CONFIG_WAVEFORM_BUF_SIZE); + + if (!panel_info.epdc_data.waveform_buf_addr) { + printf("EPDC: Error allocating waveform buffer!\n"); + return; + } + lcd_color_fg = 0xFF; lcd_color_bg = 0xFF; @@ -431,7 +447,7 @@ void lcd_ctrl_init(void *lcdbase) REG_WR(EPDC_BASE, EPDC_WB_ADDR_TCE, panel_info.epdc_data.working_buf_addr); /* Get waveform data address and offset */ - if (setup_waveform_file()) { + if (setup_waveform_file(panel_info.epdc_data.waveform_buf_addr)) { printf("Can't load waveform data!\n"); return; } @@ -443,6 +459,8 @@ void lcd_ctrl_init(void *lcdbase) /* Initialize EPDC, passing pointer to EPDC registers */ epdc_init_settings(); + lcd_base = lcdbase; + return; } |