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[qsd8k] basic support for fbcon.

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This commit is contained in:
Dima Zavin
2009-01-15 18:09:26 -08:00
committed by Brian Swetland
parent d5b0b6a345
commit e35e75b824
4 changed files with 37 additions and 28 deletions
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5
platform/qsd8k/debug.c
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@@ -32,6 +32,7 @@
#include <debug.h>
#include <printf.h>
#include <arch/arm/dcc.h>
#include <dev/fbcon.h>
#include <dev/uart.h>
#define DCC_DEBUG 1
@@ -47,6 +48,10 @@ void _dputc(char c)
#else
uart_putc(DEBUG_UART, c);
#endif
#if WITH_DEV_FBCON
fbcon_putc(c);
#endif
}
int dgetc(char *c)

49
platform/qsd8k/lcdc.c
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@@ -30,15 +30,10 @@
#include <stdlib.h>
#include <reg.h>
#include <platform/iomap.h>
#include <dev/fbcon.h>
#define MSM_MDP_BASE1 0xAA200000
unsigned fb_width = 0;
unsigned fb_height = 0;
static unsigned short *FB;
#define LCDC_PIXCLK_IN_PS 26
#define LCDC_FB_PHYS 0x16600000
#define LCDC_FB_BPP 16
@@ -88,36 +83,44 @@ static unsigned short *FB;
#define DMA_OUT_SEL_LCDC BIT(20)
#define DMA_IBUF_FORMAT_RGB565 BIT(25)
static struct fbcon_config fb_cfg = {
.height = LCDC_FB_HEIGHT,
.width = LCDC_FB_WIDTH,
.stride = LCDC_FB_WIDTH,
.format = FB_FORMAT_RGB565,
.bpp = LCDC_FB_BPP,
.update_start = NULL,
.update_done = NULL,
};
void lcdc_clock_init(unsigned rate);
void lcdc_init(void)
struct fbcon_config *lcdc_init(void)
{
unsigned n;
dprintf(INFO, "lcdc_init()\n");
fb_width = LCDC_FB_WIDTH;
fb_height = LCDC_FB_HEIGHT;
dprintf(INFO, "panel is %d x %d\n", fb_width, fb_height);
dprintf(INFO, "panel is %d x %d\n", fb_cfg.width, fb_cfg.height);
FB = LCDC_FB_PHYS; //alloc(2 * fb_width * fb_height);
FB = memalign(4096, 2 * fb_width * fb_height);
dprintf(INFO, "FB %p\n", FB);
fb_cfg.base =
memalign(4096, fb_cfg.width * fb_cfg.height * (fb_cfg.bpp / 8));
dprintf(INFO, "FB %p\n", fb_cfg.base);
lcdc_clock_init(1000000000 / LCDC_PIXCLK_IN_PS);
writel(FB, MSM_MDP_BASE1 + 0x90008);
writel((LCDC_FB_HEIGHT << 16) | LCDC_FB_WIDTH, MSM_MDP_BASE1 + 0x90004);
writel(LCDC_FB_WIDTH * LCDC_FB_BPP / 8, MSM_MDP_BASE1 + 0x9000c);
writel(fb_cfg.base, MSM_MDP_BASE1 + 0x90008);
writel((fb_cfg.height << 16) | fb_cfg.width, MSM_MDP_BASE1 + 0x90004);
writel(fb_cfg.width * fb_cfg.bpp / 8, MSM_MDP_BASE1 + 0x9000c);
writel(0, MSM_MDP_BASE1 + 0x90010);
writel(DMA_PACK_ALIGN_LSB|DMA_PACK_PATTERN_RGB|DMA_DITHER_EN|DMA_OUT_SEL_LCDC|
DMA_IBUF_FORMAT_RGB565|DMA_DSTC0G_8BITS|DMA_DSTC1B_8BITS|DMA_DSTC2R_8BITS,
MSM_MDP_BASE1 + 0x90000);
int hsync_period = LCDC_HSYNC_PULSE_WIDTH_DCLK + LCDC_HSYNC_BACK_PORCH_DCLK + LCDC_FB_WIDTH + LCDC_HSYNC_FRONT_PORCH_DCLK;
int vsync_period = (LCDC_VSYNC_PULSE_WIDTH_LINES + LCDC_VSYNC_BACK_PORCH_LINES + LCDC_FB_HEIGHT + LCDC_VSYNC_FRONT_PORCH_LINES) * hsync_period;
int hsync_period = LCDC_HSYNC_PULSE_WIDTH_DCLK + LCDC_HSYNC_BACK_PORCH_DCLK + fb_cfg.width + LCDC_HSYNC_FRONT_PORCH_DCLK;
int vsync_period = (LCDC_VSYNC_PULSE_WIDTH_LINES + LCDC_VSYNC_BACK_PORCH_LINES + fb_cfg.height + LCDC_VSYNC_FRONT_PORCH_LINES) * hsync_period;
int hsync_ctrl = (hsync_period << 16) | LCDC_HSYNC_PULSE_WIDTH_DCLK;
int hsync_start_x = LCDC_HSYNC_PULSE_WIDTH_DCLK + LCDC_HSYNC_BACK_PORCH_DCLK;
int hsync_end_x = hsync_period - LCDC_HSYNC_FRONT_PORCH_DCLK - 1;
@@ -141,11 +144,5 @@ void lcdc_init(void)
writel(1, MSM_MDP_BASE1 + 0xe0000);
for(n = 0; n < (fb_width * fb_height); n++) FB[n] = 0x01f0;
return &fb_cfg;
}
void *mddi_framebuffer(void)
{
return FB;
}

8
platform/qsd8k/platform.c
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@@ -31,6 +31,7 @@
#include <debug.h>
#include <dev/fbcon.h>
#include <kernel/thread.h>
#include <platform/debug.h>
@@ -40,7 +41,7 @@ void platform_init_timer();
void uart3_clock_init(void);
void uart_init(void);
void lcdc_init(void);
struct fbcon_config *lcdc_init(void);
void platform_early_init(void)
{
@@ -53,6 +54,9 @@ void platform_early_init(void)
void platform_init(void)
{
struct fbcon_config *fb_cfg;
dprintf(INFO, "platform_init()\n");
lcdc_init();
fb_cfg = lcdc_init();
fbcon_setup(fb_cfg);
}

3
platform/qsd8k/rules.mk
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@@ -9,6 +9,9 @@ DEFINES += WITH_CPU_EARLY_INIT=1 MEMBASE=0
INCLUDES += -I$(LOCAL_DIR)/include
DEVS += fbcon
MODULES += dev/fbcon
OBJS += \
$(LOCAL_DIR)/arch_init.o \
$(LOCAL_DIR)/platform.o \