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-rw-r--r--drivers/video/exynos_dp.c76
-rw-r--r--drivers/video/exynos_dp_lowlevel.c69
-rw-r--r--drivers/video/exynos_dp_lowlevel.h1
-rw-r--r--drivers/video/exynos_fb.c228
-rw-r--r--drivers/video/exynos_fimd.c44
5 files changed, 330 insertions, 88 deletions
diff --git a/drivers/video/exynos_dp.c b/drivers/video/exynos_dp.c
index d72fa565a..87bb90777 100644
--- a/drivers/video/exynos_dp.c
+++ b/drivers/video/exynos_dp.c
@@ -27,11 +27,21 @@
#include <asm/arch/cpu.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/dp.h>
+#include <fdtdec.h>
+#include <libfdt.h>
#include "exynos_dp_lowlevel.h"
+DECLARE_GLOBAL_DATA_PTR;
+
static struct exynos_dp_platform_data *dp_pd;
+void __exynos_set_dp_phy(unsigned int onoff)
+{
+}
+void exynos_set_dp_phy(unsigned int onoff)
+ __attribute__((weak, alias("__exynos_set_dp_phy")));
+
static void exynos_dp_disp_info(struct edp_disp_info *disp_info)
{
disp_info->h_total = disp_info->h_res + disp_info->h_sync_width +
@@ -853,6 +863,62 @@ static unsigned int exynos_dp_config_video(struct edp_device_info *edp_info)
return ret;
}
+#ifdef CONFIG_OF_CONTROL
+int exynos_dp_parse_dt(const void *blob, struct edp_device_info *edp_info)
+{
+ unsigned int node = fdtdec_next_compatible(blob, 0,
+ COMPAT_SAMSUNG_EXYNOS5_DP);
+ if (node <= 0) {
+ debug("exynos_dp: Can't get device node for dp\n");
+ return -ENODEV;
+ }
+
+ edp_info->disp_info.h_res = fdtdec_get_int(blob, node,
+ "samsung,h-res", 0);
+ edp_info->disp_info.h_sync_width = fdtdec_get_int(blob, node,
+ "samsung,h-sync-width", 0);
+ edp_info->disp_info.h_back_porch = fdtdec_get_int(blob, node,
+ "samsung,h-back-porch", 0);
+ edp_info->disp_info.h_front_porch = fdtdec_get_int(blob, node,
+ "samsung,h-front-porch", 0);
+ edp_info->disp_info.v_res = fdtdec_get_int(blob, node,
+ "samsung,v-res", 0);
+ edp_info->disp_info.v_sync_width = fdtdec_get_int(blob, node,
+ "samsung,v-sync-width", 0);
+ edp_info->disp_info.v_back_porch = fdtdec_get_int(blob, node,
+ "samsung,v-back-porch", 0);
+ edp_info->disp_info.v_front_porch = fdtdec_get_int(blob, node,
+ "samsung,v-front-porch", 0);
+ edp_info->disp_info.v_sync_rate = fdtdec_get_int(blob, node,
+ "samsung,v-sync-rate", 0);
+
+ edp_info->lt_info.lt_status = fdtdec_get_int(blob, node,
+ "samsung,lt-status", 0);
+
+ edp_info->video_info.master_mode = fdtdec_get_int(blob, node,
+ "samsung,master-mode", 0);
+ edp_info->video_info.bist_mode = fdtdec_get_int(blob, node,
+ "samsung,bist-mode", 0);
+ edp_info->video_info.bist_pattern = fdtdec_get_int(blob, node,
+ "samsung,bist-pattern", 0);
+ edp_info->video_info.h_sync_polarity = fdtdec_get_int(blob, node,
+ "samsung,h-sync-polarity", 0);
+ edp_info->video_info.v_sync_polarity = fdtdec_get_int(blob, node,
+ "samsung,v-sync-polarity", 0);
+ edp_info->video_info.interlaced = fdtdec_get_int(blob, node,
+ "samsung,interlaced", 0);
+ edp_info->video_info.color_space = fdtdec_get_int(blob, node,
+ "samsung,color-space", 0);
+ edp_info->video_info.dynamic_range = fdtdec_get_int(blob, node,
+ "samsung,dynamic-range", 0);
+ edp_info->video_info.ycbcr_coeff = fdtdec_get_int(blob, node,
+ "samsung,ycbcr-coeff", 0);
+ edp_info->video_info.color_depth = fdtdec_get_int(blob, node,
+ "samsung,color-depth", 0);
+ return 0;
+}
+#endif
+
unsigned int exynos_init_dp(void)
{
unsigned int ret;
@@ -864,16 +930,22 @@ unsigned int exynos_init_dp(void)
return -EFAULT;
}
+#ifdef CONFIG_OF_CONTROL
+ if (exynos_dp_parse_dt(gd->fdt_blob, edp_info))
+ debug("unable to parse DP DT node\n");
+#else
edp_info = dp_pd->edp_dev_info;
if (edp_info == NULL) {
debug("failed to get edp_info data.\n");
return -EFAULT;
}
+#endif
+
+ exynos_dp_set_base_addr();
exynos_dp_disp_info(&edp_info->disp_info);
- if (dp_pd->phy_enable)
- dp_pd->phy_enable(1);
+ exynos_set_dp_phy(1);
ret = exynos_dp_init_dp();
if (ret != EXYNOS_DP_SUCCESS) {
diff --git a/drivers/video/exynos_dp_lowlevel.c b/drivers/video/exynos_dp_lowlevel.c
index 7b54c8084..748d9b8b3 100644
--- a/drivers/video/exynos_dp_lowlevel.c
+++ b/drivers/video/exynos_dp_lowlevel.c
@@ -25,11 +25,34 @@
#include <asm/arch/cpu.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/dp.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+
+/* Declare global data pointer */
+DECLARE_GLOBAL_DATA_PTR;
+
+struct exynos_dp *dp_regs;
+
+void exynos_dp_set_base_addr(void)
+{
+#ifdef CONFIG_OF_CONTROL
+ unsigned int node = fdtdec_next_compatible(gd->fdt_blob,
+ 0, COMPAT_SAMSUNG_EXYNOS5_DP);
+ if (node <= 0)
+ debug("exynos_dp: Can't get device node for dp\n");
+
+ dp_regs = (struct exynos_dp *)fdtdec_get_addr(gd->fdt_blob,
+ node, "reg");
+ if (dp_regs == NULL)
+ debug("Can't get the DP base address\n");
+#else
+ dp_regs = (struct exynos_dp *)samsung_get_base_dp();
+#endif
+}
static void exynos_dp_enable_video_input(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->video_ctl1);
reg &= ~VIDEO_EN_MASK;
@@ -47,7 +70,6 @@ void exynos_dp_enable_video_bist(unsigned int enable)
{
/*enable video bist*/
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->video_ctl4);
reg &= ~VIDEO_BIST_MASK;
@@ -64,7 +86,6 @@ void exynos_dp_enable_video_bist(unsigned int enable)
void exynos_dp_enable_video_mute(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->video_ctl1);
reg &= ~(VIDEO_MUTE_MASK);
@@ -80,7 +101,6 @@ void exynos_dp_enable_video_mute(unsigned int enable)
static void exynos_dp_init_analog_param(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/*
* Set termination
@@ -129,7 +149,6 @@ static void exynos_dp_init_analog_param(void)
static void exynos_dp_init_interrupt(void)
{
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Set interrupt registers to initial states */
/*
@@ -158,7 +177,6 @@ static void exynos_dp_init_interrupt(void)
void exynos_dp_reset(void)
{
unsigned int reg_func_1;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/*dp tx sw reset*/
writel(RESET_DP_TX, &dp_regs->tx_sw_reset);
@@ -186,7 +204,6 @@ void exynos_dp_reset(void)
void exynos_dp_enable_sw_func(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->func_en1);
reg &= ~(SW_FUNC_EN_N);
@@ -202,7 +219,6 @@ void exynos_dp_enable_sw_func(unsigned int enable)
unsigned int exynos_dp_set_analog_power_down(unsigned int block, u32 enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->phy_pd);
switch (block) {
@@ -256,7 +272,6 @@ unsigned int exynos_dp_set_analog_power_down(unsigned int block, u32 enable)
unsigned int exynos_dp_get_pll_lock_status(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->debug_ctl);
@@ -269,7 +284,6 @@ unsigned int exynos_dp_get_pll_lock_status(void)
static void exynos_dp_set_pll_power(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->pll_ctl);
reg &= ~(DP_PLL_PD);
@@ -285,7 +299,6 @@ int exynos_dp_init_analog_func(void)
int ret = EXYNOS_DP_SUCCESS;
unsigned int retry_cnt = 10;
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/*Power On All Analog block */
exynos_dp_set_analog_power_down(POWER_ALL, DP_DISABLE);
@@ -335,7 +348,6 @@ int exynos_dp_init_analog_func(void)
void exynos_dp_init_hpd(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear interrupts releated to Hot Plug Dectect */
reg = HOTPLUG_CHG | HPD_LOST | PLUG;
@@ -354,7 +366,6 @@ void exynos_dp_init_hpd(void)
static inline void exynos_dp_reset_aux(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Disable AUX channel module */
reg = readl(&dp_regs->func_en2);
@@ -367,7 +378,6 @@ static inline void exynos_dp_reset_aux(void)
void exynos_dp_init_aux(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear inerrupts related to AUX channel */
reg = RPLY_RECEIV | AUX_ERR;
@@ -395,7 +405,6 @@ void exynos_dp_init_aux(void)
void exynos_dp_config_interrupt(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* 0: mask, 1: unmask */
reg = COMMON_INT_MASK_1;
@@ -419,7 +428,6 @@ void exynos_dp_config_interrupt(void)
unsigned int exynos_dp_get_plug_in_status(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->sys_ctl3);
if (reg & HPD_STATUS)
@@ -449,7 +457,6 @@ unsigned int exynos_dp_start_aux_transaction(void)
unsigned int reg;
unsigned int ret = 0;
unsigned int retry_cnt;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Enable AUX CH operation */
reg = readl(&dp_regs->aux_ch_ctl2);
@@ -498,7 +505,6 @@ unsigned int exynos_dp_write_byte_to_dpcd(unsigned int reg_addr,
unsigned char data)
{
unsigned int reg, ret;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear AUX CH data buffer */
reg = BUF_CLR;
@@ -539,7 +545,6 @@ unsigned int exynos_dp_read_byte_from_dpcd(unsigned int reg_addr,
{
unsigned int reg;
int retval;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear AUX CH data buffer */
reg = BUF_CLR;
@@ -583,7 +588,6 @@ unsigned int exynos_dp_write_bytes_to_dpcd(unsigned int reg_addr,
unsigned int cur_data_idx;
unsigned int retry_cnt;
unsigned int ret = 0;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear AUX CH data buffer */
reg = BUF_CLR;
@@ -649,7 +653,6 @@ unsigned int exynos_dp_read_bytes_from_dpcd(unsigned int reg_addr,
unsigned int cur_data_idx;
unsigned int retry_cnt;
unsigned int ret = 0;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear AUX CH data buffer */
reg = BUF_CLR;
@@ -711,7 +714,6 @@ int exynos_dp_select_i2c_device(unsigned int device_addr,
{
unsigned int reg;
int retval;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Set EDID device address */
reg = device_addr;
@@ -746,7 +748,6 @@ int exynos_dp_read_byte_from_i2c(unsigned int device_addr,
unsigned int reg;
int i;
int retval;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
for (i = 0; i < 10; i++) {
/* Clear AUX CH data buffer */
@@ -790,7 +791,6 @@ int exynos_dp_read_bytes_from_i2c(unsigned int device_addr,
unsigned int cur_data_idx;
unsigned int defer = 0;
int retval = 0;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
for (i = 0; i < count; i += 16) { /* use 16 burst */
for (j = 0; j < 100; j++) {
@@ -854,7 +854,6 @@ int exynos_dp_read_bytes_from_i2c(unsigned int device_addr,
void exynos_dp_reset_macro(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->phy_test);
reg |= MACRO_RST;
@@ -870,7 +869,6 @@ void exynos_dp_reset_macro(void)
void exynos_dp_set_link_bandwidth(unsigned char bwtype)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = (unsigned int)bwtype;
@@ -883,7 +881,6 @@ unsigned char exynos_dp_get_link_bandwidth(void)
{
unsigned char ret;
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->link_bw_set);
ret = (unsigned char)reg;
@@ -894,7 +891,6 @@ unsigned char exynos_dp_get_link_bandwidth(void)
void exynos_dp_set_lane_count(unsigned char count)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = (unsigned int)count;
@@ -906,7 +902,6 @@ void exynos_dp_set_lane_count(unsigned char count)
unsigned int exynos_dp_get_lane_count(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->lane_count_set);
@@ -915,7 +910,6 @@ unsigned int exynos_dp_get_lane_count(void)
unsigned char exynos_dp_get_lanex_pre_emphasis(unsigned char lanecnt)
{
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
unsigned int reg_list[DP_LANE_CNT_4] = {
(unsigned int)&dp_regs->ln0_link_training_ctl,
(unsigned int)&dp_regs->ln1_link_training_ctl,
@@ -929,7 +923,6 @@ unsigned char exynos_dp_get_lanex_pre_emphasis(unsigned char lanecnt)
void exynos_dp_set_lanex_pre_emphasis(unsigned char request_val,
unsigned char lanecnt)
{
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
unsigned int reg_list[DP_LANE_CNT_4] = {
(unsigned int)&dp_regs->ln0_link_training_ctl,
(unsigned int)&dp_regs->ln1_link_training_ctl,
@@ -944,7 +937,6 @@ void exynos_dp_set_lane_pre_emphasis(unsigned int level, unsigned char lanecnt)
{
unsigned char i;
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
unsigned int reg_list[DP_LANE_CNT_4] = {
(unsigned int)&dp_regs->ln0_link_training_ctl,
(unsigned int)&dp_regs->ln1_link_training_ctl,
@@ -967,7 +959,6 @@ void exynos_dp_set_lane_pre_emphasis(unsigned int level, unsigned char lanecnt)
void exynos_dp_set_training_pattern(unsigned int pattern)
{
unsigned int reg = 0;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
switch (pattern) {
case PRBS7:
@@ -996,7 +987,6 @@ void exynos_dp_set_training_pattern(unsigned int pattern)
void exynos_dp_enable_enhanced_mode(unsigned char enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->sys_ctl4);
reg &= ~ENHANCED;
@@ -1010,7 +1000,6 @@ void exynos_dp_enable_enhanced_mode(unsigned char enable)
void exynos_dp_enable_scrambling(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->training_ptn_set);
reg &= ~(SCRAMBLING_DISABLE);
@@ -1024,7 +1013,6 @@ void exynos_dp_enable_scrambling(unsigned int enable)
int exynos_dp_init_video(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Clear VID_CLK_CHG[1] and VID_FORMAT_CHG[3] and VSYNC_DET[7] */
reg = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG;
@@ -1040,7 +1028,6 @@ int exynos_dp_init_video(void)
void exynos_dp_config_video_slave_mode(struct edp_video_info *video_info)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Video Slave mode setting */
reg = readl(&dp_regs->func_en1);
@@ -1074,7 +1061,6 @@ void exynos_dp_config_video_slave_mode(struct edp_video_info *video_info)
void exynos_dp_set_video_color_format(struct edp_video_info *video_info)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Configure the input color depth, color space, dynamic range */
reg = (video_info->dynamic_range << IN_D_RANGE_SHIFT) |
@@ -1097,7 +1083,6 @@ int exynos_dp_config_video_bist(struct edp_device_info *edp_info)
unsigned int reg;
unsigned int bist_type = 0;
struct edp_video_info video_info = edp_info->video_info;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* For master mode, you don't need to set the video format */
if (video_info.master_mode == 0) {
@@ -1186,7 +1171,6 @@ int exynos_dp_config_video_bist(struct edp_device_info *edp_info)
unsigned int exynos_dp_is_slave_video_stream_clock_on(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Update Video stream clk detect status */
reg = readl(&dp_regs->sys_ctl1);
@@ -1206,7 +1190,6 @@ void exynos_dp_set_video_cr_mn(unsigned int type, unsigned int m_value,
unsigned int n_value)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
if (type == REGISTER_M) {
reg = readl(&dp_regs->sys_ctl4);
@@ -1235,7 +1218,6 @@ void exynos_dp_set_video_cr_mn(unsigned int type, unsigned int m_value,
void exynos_dp_set_video_timing_mode(unsigned int type)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->video_ctl10);
reg &= ~FORMAT_SEL;
@@ -1249,7 +1231,6 @@ void exynos_dp_set_video_timing_mode(unsigned int type)
void exynos_dp_enable_video_master(unsigned int enable)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
reg = readl(&dp_regs->soc_general_ctl);
if (enable) {
@@ -1266,7 +1247,6 @@ void exynos_dp_enable_video_master(unsigned int enable)
void exynos_dp_start_video(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Enable Video input and disable Mute */
reg = readl(&dp_regs->video_ctl1);
@@ -1277,7 +1257,6 @@ void exynos_dp_start_video(void)
unsigned int exynos_dp_is_video_stream_on(void)
{
unsigned int reg;
- struct exynos_dp *dp_regs = (struct exynos_dp *)samsung_get_base_dp();
/* Update STRM_VALID */
reg = readl(&dp_regs->sys_ctl3);
diff --git a/drivers/video/exynos_dp_lowlevel.h b/drivers/video/exynos_dp_lowlevel.h
index a041a7ab5..2c0ae12db 100644
--- a/drivers/video/exynos_dp_lowlevel.h
+++ b/drivers/video/exynos_dp_lowlevel.h
@@ -76,5 +76,6 @@ void exynos_dp_set_video_timing_mode(unsigned int type);
void exynos_dp_enable_video_master(unsigned int enable);
void exynos_dp_start_video(void);
unsigned int exynos_dp_is_video_stream_on(void);
+void exynos_dp_set_base_addr(void);
#endif /* _EXYNOS_DP_LOWLEVEL_H */
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c
index c0f1830dc..ed0823bf9 100644
--- a/drivers/video/exynos_fb.c
+++ b/drivers/video/exynos_fb.c
@@ -23,6 +23,8 @@
#include <config.h>
#include <common.h>
#include <lcd.h>
+#include <fdtdec.h>
+#include <libfdt.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/clock.h>
@@ -30,6 +32,7 @@
#include <asm/arch/mipi_dsim.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/system.h>
+#include <asm-generic/errno.h>
#include "exynos_fb.h"
@@ -37,6 +40,20 @@ DECLARE_GLOBAL_DATA_PTR;
static unsigned int panel_width, panel_height;
+/*
+ * board_init_f(arch/arm/lib/board.c) calls lcd_setmem() which needs
+ * panel_info.vl_col, panel_info.vl_row and panel_info.vl_bpix to reserve
+ * FB memory at a very early stage, i.e even before exynos_fimd_parse_dt()
+ * is called. So, we are forced to statically assign it.
+ */
+#ifdef CONFIG_OF_CONTROL
+vidinfo_t panel_info = {
+ .vl_col = LCD_XRES,
+ .vl_row = LCD_YRES,
+ .vl_bpix = LCD_COLOR16,
+};
+#endif
+
static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
{
unsigned long palette_size;
@@ -83,47 +100,226 @@ static void draw_logo(void)
}
#endif
+void __exynos_cfg_lcd_gpio(void)
+{
+}
+void exynos_cfg_lcd_gpio(void)
+ __attribute__((weak, alias("__exynos_cfg_lcd_gpio")));
+
+void __exynos_backlight_on(unsigned int onoff)
+{
+}
+void exynos_backlight_on(unsigned int onoff)
+ __attribute__((weak, alias("__exynos_cfg_lcd_gpio")));
+
+void __exynos_reset_lcd(void)
+{
+}
+void exynos_reset_lcd(void)
+ __attribute__((weak, alias("__exynos_reset_lcd")));
+
+void __exynos_lcd_power_on(void)
+{
+}
+void exynos_lcd_power_on(void)
+ __attribute__((weak, alias("__exynos_lcd_power_on")));
+
+void __exynos_cfg_ldo(void)
+{
+}
+void exynos_cfg_ldo(void)
+ __attribute__((weak, alias("__exynos_cfg_ldo")));
+
+void __exynos_enable_ldo(unsigned int onoff)
+{
+}
+void exynos_enable_ldo(unsigned int onoff)
+ __attribute__((weak, alias("__exynos_enable_ldo")));
+
+void __exynos_backlight_reset(void)
+{
+}
+void exynos_backlight_reset(void)
+ __attribute__((weak, alias("__exynos_backlight_reset")));
+
static void lcd_panel_on(vidinfo_t *vid)
{
udelay(vid->init_delay);
- if (vid->backlight_reset)
- vid->backlight_reset();
+ exynos_backlight_reset();
- if (vid->cfg_gpio)
- vid->cfg_gpio();
+ exynos_cfg_lcd_gpio();
- if (vid->lcd_power_on)
- vid->lcd_power_on();
+ exynos_lcd_power_on();
udelay(vid->power_on_delay);
if (vid->dp_enabled)
exynos_init_dp();
- if (vid->reset_lcd) {
- vid->reset_lcd();
- udelay(vid->reset_delay);
- }
+ exynos_reset_lcd();
- if (vid->backlight_on)
- vid->backlight_on(1);
+ udelay(vid->reset_delay);
- if (vid->cfg_ldo)
- vid->cfg_ldo();
+ exynos_backlight_on(1);
- if (vid->enable_ldo)
- vid->enable_ldo(1);
+ exynos_cfg_ldo();
+
+ exynos_enable_ldo(1);
if (vid->mipi_enabled)
exynos_mipi_dsi_init();
}
+#ifdef CONFIG_OF_CONTROL
+int exynos_fimd_parse_dt(const void *blob)
+{
+ unsigned int node;
+ node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_FIMD);
+ if (node <= 0) {
+ debug("exynos_fb: Can't get device node for fimd\n");
+ return -ENODEV;
+ }
+
+ panel_info.vl_col = fdtdec_get_int(blob, node, "samsung,vl-col", 0);
+ if (panel_info.vl_col == 0) {
+ debug("Can't get XRES\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_row = fdtdec_get_int(blob, node, "samsung,vl-row", 0);
+ if (panel_info.vl_row == 0) {
+ debug("Can't get YRES\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_width = fdtdec_get_int(blob, node,
+ "samsung,vl-width", 0);
+
+ panel_info.vl_height = fdtdec_get_int(blob, node,
+ "samsung,vl-height", 0);
+
+ panel_info.vl_freq = fdtdec_get_int(blob, node, "samsung,vl-freq", 0);
+ if (panel_info.vl_freq == 0) {
+ debug("Can't get refresh rate\n");
+ return -ENXIO;
+ }
+
+ if (fdtdec_get_bool(blob, node, "samsung,vl-clkp"))
+ panel_info.vl_clkp = CONFIG_SYS_LOW;
+
+ if (fdtdec_get_bool(blob, node, "samsung,vl-oep"))
+ panel_info.vl_oep = CONFIG_SYS_LOW;
+
+ if (fdtdec_get_bool(blob, node, "samsung,vl-hsp"))
+ panel_info.vl_hsp = CONFIG_SYS_LOW;
+
+ if (fdtdec_get_bool(blob, node, "samsung,vl-vsp"))
+ panel_info.vl_vsp = CONFIG_SYS_LOW;
+
+ if (fdtdec_get_bool(blob, node, "samsung,vl-dp"))
+ panel_info.vl_dp = CONFIG_SYS_LOW;
+
+ panel_info.vl_bpix = fdtdec_get_int(blob, node, "samsung,vl-bpix", 0);
+ if (panel_info.vl_bpix == 0) {
+ debug("Can't get bits per pixel\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_hspw = fdtdec_get_int(blob, node, "samsung,vl-hspw", 0);
+ if (panel_info.vl_hspw == 0) {
+ debug("Can't get hsync width\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_hfpd = fdtdec_get_int(blob, node, "samsung,vl-hfpd", 0);
+ if (panel_info.vl_hfpd == 0) {
+ debug("Can't get right margin\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_hbpd = (u_char)fdtdec_get_int(blob, node,
+ "samsung,vl-hbpd", 0);
+ if (panel_info.vl_hbpd == 0) {
+ debug("Can't get left margin\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_vspw = (u_char)fdtdec_get_int(blob, node,
+ "samsung,vl-vspw", 0);
+ if (panel_info.vl_vspw == 0) {
+ debug("Can't get vsync width\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_vfpd = fdtdec_get_int(blob, node,
+ "samsung,vl-vfpd", 0);
+ if (panel_info.vl_vfpd == 0) {
+ debug("Can't get lower margin\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_vbpd = fdtdec_get_int(blob, node, "samsung,vl-vbpd", 0);
+ if (panel_info.vl_vbpd == 0) {
+ debug("Can't get upper margin\n");
+ return -ENXIO;
+ }
+
+ panel_info.vl_cmd_allow_len = fdtdec_get_int(blob, node,
+ "samsung,vl-cmd-allow-len", 0);
+
+ panel_info.win_id = fdtdec_get_int(blob, node, "samsung,winid", 0);
+ panel_info.init_delay = fdtdec_get_int(blob, node,
+ "samsung,init-delay", 0);
+ panel_info.power_on_delay = fdtdec_get_int(blob, node,
+ "samsung,power-on-delay", 0);
+ panel_info.reset_delay = fdtdec_get_int(blob, node,
+ "samsung,reset-delay", 0);
+ panel_info.interface_mode = fdtdec_get_int(blob, node,
+ "samsung,interface-mode", 0);
+ panel_info.mipi_enabled = fdtdec_get_int(blob, node,
+ "samsung,mipi-enabled", 0);
+ panel_info.dp_enabled = fdtdec_get_int(blob, node,
+ "samsung,dp-enabled", 0);
+ panel_info.cs_setup = fdtdec_get_int(blob, node,
+ "samsung,cs-setup", 0);
+ panel_info.wr_setup = fdtdec_get_int(blob, node,
+ "samsung,wr-setup", 0);
+ panel_info.wr_act = fdtdec_get_int(blob, node, "samsung,wr-act", 0);
+ panel_info.wr_hold = fdtdec_get_int(blob, node, "samsung,wr-hold", 0);
+
+ panel_info.logo_on = fdtdec_get_int(blob, node, "samsung,logo-on", 0);
+ if (panel_info.logo_on) {
+ panel_info.logo_width = fdtdec_get_int(blob, node,
+ "samsung,logo-width", 0);
+ panel_info.logo_height = fdtdec_get_int(blob, node,
+ "samsung,logo-height", 0);
+ panel_info.logo_addr = fdtdec_get_int(blob, node,
+ "samsung,logo-addr", 0);
+ }
+
+ panel_info.rgb_mode = fdtdec_get_int(blob, node,
+ "samsung,rgb-mode", 0);
+ panel_info.pclk_name = fdtdec_get_int(blob, node,
+ "samsung,pclk-name", 0);
+ panel_info.sclk_div = fdtdec_get_int(blob, node,
+ "samsung,sclk-div", 0);
+ panel_info.dual_lcd_enabled = fdtdec_get_int(blob, node,
+ "samsung,dual-lcd-enabled", 0);
+
+ return 0;
+}
+#endif
+
void lcd_ctrl_init(void *lcdbase)
{
set_system_display_ctrl();
set_lcd_clk();
+#ifdef CONFIG_OF_CONTROL
+ if (exynos_fimd_parse_dt(gd->fdt_blob))
+ debug("Can't get proper panel info\n");
+#endif
/* initialize parameters which is specific to panel. */
init_panel_info(&panel_info);
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index 2efe6a61c..33599499e 100644
--- a/drivers/video/exynos_fimd.c
+++ b/drivers/video/exynos_fimd.c
@@ -25,13 +25,18 @@
#include <asm/io.h>
#include <lcd.h>
#include <div64.h>
+#include <fdtdec.h>
+#include <libfdt.h>
#include <asm/arch/clk.h>
#include <asm/arch/clock.h>
#include <asm/arch/cpu.h>
#include "exynos_fb.h"
+DECLARE_GLOBAL_DATA_PTR;
+
static unsigned long *lcd_base_addr;
static vidinfo_t *pvid;
+static struct exynos_fb *fimd_ctrl;
void exynos_fimd_lcd_init_mem(u_long screen_base, u_long fb_size,
u_long palette_size)
@@ -41,8 +46,6 @@ void exynos_fimd_lcd_init_mem(u_long screen_base, u_long fb_size,
static void exynos_fimd_set_dualrgb(unsigned int enabled)
{
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
unsigned int cfg = 0;
if (enabled) {
@@ -59,9 +62,6 @@ static void exynos_fimd_set_dualrgb(unsigned int enabled)
static void exynos_fimd_set_dp_clkcon(unsigned int enabled)
{
-
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
unsigned int cfg = 0;
if (enabled)
@@ -73,8 +73,6 @@ static void exynos_fimd_set_dp_clkcon(unsigned int enabled)
static void exynos_fimd_set_par(unsigned int win_id)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
/* set window control */
cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
@@ -126,8 +124,6 @@ static void exynos_fimd_set_par(unsigned int win_id)
static void exynos_fimd_set_buffer_address(unsigned int win_id)
{
unsigned long start_addr, end_addr;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
start_addr = (unsigned long)lcd_base_addr;
end_addr = start_addr + ((pvid->vl_col * (NBITS(pvid->vl_bpix) / 8)) *
@@ -144,8 +140,6 @@ static void exynos_fimd_set_clock(vidinfo_t *pvid)
unsigned int cfg = 0, div = 0, remainder, remainder_div;
unsigned long pixel_clock;
unsigned long long src_clock;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
if (pvid->dual_lcd_enabled) {
pixel_clock = pvid->vl_freq *
@@ -197,8 +191,6 @@ static void exynos_fimd_set_clock(vidinfo_t *pvid)
void exynos_set_trigger(void)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
cfg = readl(&fimd_ctrl->trigcon);
@@ -211,8 +203,6 @@ int exynos_is_i80_frame_done(void)
{
unsigned int cfg = 0;
int status;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
cfg = readl(&fimd_ctrl->trigcon);
@@ -226,8 +216,6 @@ int exynos_is_i80_frame_done(void)
static void exynos_fimd_lcd_on(void)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
/* display on */
cfg = readl(&fimd_ctrl->vidcon0);
@@ -238,8 +226,6 @@ static void exynos_fimd_lcd_on(void)
static void exynos_fimd_window_on(unsigned int win_id)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
/* enable window */
cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
@@ -256,8 +242,6 @@ static void exynos_fimd_window_on(unsigned int win_id)
void exynos_fimd_lcd_off(void)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
cfg = readl(&fimd_ctrl->vidcon0);
cfg &= (EXYNOS_VIDCON0_ENVID_DISABLE | EXYNOS_VIDCON0_ENVID_F_DISABLE);
@@ -267,8 +251,6 @@ void exynos_fimd_lcd_off(void)
void exynos_fimd_window_off(unsigned int win_id)
{
unsigned int cfg = 0;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
EXYNOS_WINCON(win_id));
@@ -286,8 +268,20 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
{
unsigned int cfg = 0, rgb_mode;
unsigned int offset;
- struct exynos_fb *fimd_ctrl =
- (struct exynos_fb *)samsung_get_base_fimd();
+#ifdef CONFIG_OF_CONTROL
+ unsigned int node;
+
+ node = fdtdec_next_compatible(gd->fdt_blob,
+ 0, COMPAT_SAMSUNG_EXYNOS_FIMD);
+ if (node <= 0)
+ debug("exynos_fb: Can't get device node for fimd\n");
+
+ fimd_ctrl = (struct exynos_fb *)fdtdec_get_addr(gd->fdt_blob,
+ node, "reg");
+ if (fimd_ctrl == NULL)
+ debug("Can't get the FIMD base address\n");
+#endif
+ fimd_ctrl = (struct exynos_fb *)samsung_get_base_fimd();
offset = exynos_fimd_get_base_offset();
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 12:42:52 +0000