*
* (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* #define DEBUG */
struct dp_csc_param_t {
int mode;
- void *coeff;
+ const int (*coeff)[5][3];
};
#define SYNC_WAVE 0
int g_di1_tvout;
extern struct clk *g_ipu_clk;
+extern struct clk *g_ldb_clk;
extern struct clk *g_di_clk[2];
extern struct clk *g_pixel_clk[2];
static enum csc_type_t fg_csc_type = CSC_NONE, bg_csc_type = CSC_NONE;
static int color_key_4rgb = 1;
-void ipu_dp_csc_setup(int dp, struct dp_csc_param_t dp_csc_param,
+static void ipu_dp_csc_setup(int dp, struct dp_csc_param_t dp_csc_param,
unsigned char srm_mode_update)
{
u32 reg;
const int (*coeff)[5][3];
if (dp_csc_param.mode >= 0) {
- reg = __raw_readl(DP_COM_CONF(dp));
+ reg = __raw_readl(DP_COM_CONF());
reg &= ~DP_COM_CONF_CSC_DEF_MASK;
reg |= dp_csc_param.mode;
- __raw_writel(reg, DP_COM_CONF(dp));
+ __raw_writel(reg, DP_COM_CONF());
}
coeff = dp_csc_param.coeff;
if (coeff) {
__raw_writel(mask_a((*coeff)[0][0]) |
- (mask_a((*coeff)[0][1]) << 16), DP_CSC_A_0(dp));
+ (mask_a((*coeff)[0][1]) << 16), DP_CSC_A_0());
__raw_writel(mask_a((*coeff)[0][2]) |
- (mask_a((*coeff)[1][0]) << 16), DP_CSC_A_1(dp));
+ (mask_a((*coeff)[1][0]) << 16), DP_CSC_A_1());
__raw_writel(mask_a((*coeff)[1][1]) |
- (mask_a((*coeff)[1][2]) << 16), DP_CSC_A_2(dp));
+ (mask_a((*coeff)[1][2]) << 16), DP_CSC_A_2());
__raw_writel(mask_a((*coeff)[2][0]) |
- (mask_a((*coeff)[2][1]) << 16), DP_CSC_A_3(dp));
+ (mask_a((*coeff)[2][1]) << 16), DP_CSC_A_3());
__raw_writel(mask_a((*coeff)[2][2]) |
(mask_b((*coeff)[3][0]) << 16) |
- ((*coeff)[4][0] << 30), DP_CSC_0(dp));
+ ((*coeff)[4][0] << 30), DP_CSC_0());
__raw_writel(mask_b((*coeff)[3][1]) | ((*coeff)[4][1] << 14) |
(mask_b((*coeff)[3][2]) << 16) |
- ((*coeff)[4][2] << 30), DP_CSC_1(dp));
+ ((*coeff)[4][2] << 30), DP_CSC_1());
}
if (srm_mode_update) {
}
/* Transform color key from rgb to yuv if CSC is enabled */
- reg = __raw_readl(DP_COM_CONF(dp));
+ reg = __raw_readl(DP_COM_CONF());
if (color_key_4rgb && (reg & DP_COM_CONF_GWCKE) &&
(((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB)))) {
int red, green, blue;
int y, u, v;
- uint32_t color_key = __raw_readl(DP_GRAPH_WIND_CTRL(dp)) &
+ uint32_t color_key = __raw_readl(DP_GRAPH_WIND_CTRL()) &
0xFFFFFFL;
debug("_ipu_dp_init color key 0x%x need change to yuv fmt!\n",
v = rgb_to_yuv(2, red, green, blue);
color_key = (y << 16) | (u << 8) | v;
- reg = __raw_readl(DP_GRAPH_WIND_CTRL(dp)) & 0xFF000000L;
- __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL(dp));
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
+ __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
color_key_4rgb = 0;
debug("_ipu_dp_init color key change to yuv fmt 0x%x!\n",
}
}
-int ipu_chan_is_interlaced(ipu_channel_t channel)
-{
- if (channel == MEM_DC_SYNC)
- return !!(__raw_readl(DC_WR_CH_CONF_1) &
- DC_WR_CH_CONF_FIELD_MODE);
- else if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC))
- return !!(__raw_readl(DC_WR_CH_CONF_5) &
- DC_WR_CH_CONF_FIELD_MODE);
- return 0;
-}
-
void ipu_dp_dc_enable(ipu_channel_t channel)
{
int di;
uint32_t reg;
uint32_t dc_chan;
- if (channel == MEM_FG_SYNC)
- dc_chan = 5;
if (channel == MEM_DC_SYNC)
dc_chan = 1;
- else if (channel == MEM_BG_SYNC)
+ else if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC))
dc_chan = 5;
else
return;
if (channel == MEM_FG_SYNC) {
/* Enable FG channel */
- reg = __raw_readl(DP_COM_CONF(DP_SYNC));
- __raw_writel(reg | DP_COM_CONF_FG_EN, DP_COM_CONF(DP_SYNC));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_FG_EN, DP_COM_CONF());
reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
__raw_writel(reg, IPU_SRM_PRI2);
uint32_t csc;
uint32_t dc_chan = 0;
int timeout = 50;
+ int irq = 0;
dc_swap = swap;
if (channel == MEM_DC_SYNC) {
dc_chan = 1;
+ irq = IPU_IRQ_DC_FC_1;
} else if (channel == MEM_BG_SYNC) {
dc_chan = 5;
+ irq = IPU_IRQ_DP_SF_END;
} else if (channel == MEM_FG_SYNC) {
/* Disable FG channel */
dc_chan = 5;
- reg = __raw_readl(DP_COM_CONF(DP_SYNC));
+ reg = __raw_readl(DP_COM_CONF());
csc = reg & DP_COM_CONF_CSC_DEF_MASK;
if (csc == DP_COM_CONF_CSC_DEF_FG)
reg &= ~DP_COM_CONF_CSC_DEF_MASK;
reg &= ~DP_COM_CONF_FG_EN;
- __raw_writel(reg, DP_COM_CONF(DP_SYNC));
+ __raw_writel(reg, DP_COM_CONF());
reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
__raw_writel(reg, IPU_SRM_PRI2);
reg ^= DC_WR_CH_CONF_PROG_DI_ID;
__raw_writel(reg, DC_WR_CH_CONF(dc_chan));
} else {
- timeout = 50;
-
- /* Wait for DC triple buffer to empty */
- if (g_dc_di_assignment[dc_chan] == 0)
- while ((__raw_readl(DC_STAT) & 0x00000002)
- != 0x00000002) {
- udelay(2000);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
- else if (g_dc_di_assignment[dc_chan] == 1)
- while ((__raw_readl(DC_STAT) & 0x00000020)
- != 0x00000020) {
- udelay(2000);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
+ /* Make sure that we leave at the irq starting edge */
+ __raw_writel(IPUIRQ_2_MASK(irq), IPUIRQ_2_STATREG(irq));
+ do {
+ reg = __raw_readl(IPUIRQ_2_STATREG(irq));
+ } while (!(reg & IPUIRQ_2_MASK(irq)));
reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
ipu_dc_map_config(4, 2, 21, 0xFC);
}
-int ipu_pixfmt_to_map(uint32_t fmt)
+static int ipu_pixfmt_to_map(uint32_t fmt)
{
switch (fmt) {
case IPU_PIX_FMT_GENERIC:
return -1;
}
-/*
- * This function is called to adapt synchronous LCD panel to IPU restriction.
- */
-void adapt_panel_to_ipu_restricitions(uint32_t *pixel_clk,
- uint16_t width, uint16_t height,
- uint16_t h_start_width,
- uint16_t h_end_width,
- uint16_t v_start_width,
- uint16_t *v_end_width)
-{
- if (*v_end_width < 2) {
- uint16_t total_width = width + h_start_width + h_end_width;
- uint16_t total_height_old = height + v_start_width +
- (*v_end_width);
- uint16_t total_height_new = height + v_start_width + 2;
- *v_end_width = 2;
- *pixel_clk = (*pixel_clk) * total_width * total_height_new /
- (total_width * total_height_old);
- printf("WARNING: adapt panel end blank lines\n");
- }
-}
-
/*
* This function is called to initialize a synchronous LCD panel.
*
debug("panel size = %d x %d\n", width, height);
if ((v_sync_width == 0) || (h_sync_width == 0))
- return EINVAL;
+ return -EINVAL;
+
+ /* adapt panel to ipu restricitions */
+ if (v_end_width < 2) {
+ v_end_width = 2;
+ puts("WARNING: v_end_width (lower_margin) must be >= 2, adjusted\n");
+ }
- adapt_panel_to_ipu_restricitions(&pixel_clk, width, height,
- h_start_width, h_end_width,
- v_start_width, &v_end_width);
h_total = width + h_sync_width + h_start_width + h_end_width;
v_total = height + v_sync_width + v_start_width + v_end_width;
/* Init clocking */
- debug("pixel clk = %d\n", pixel_clk);
+ debug("pixel clk = %dHz\n", pixel_clk);
if (sig.ext_clk) {
if (!(g_di1_tvout && (disp == 1))) { /*not round div for tvout*/
udelay(10000);
}
}
- clk_set_parent(g_pixel_clk[disp], g_di_clk[disp]);
+ clk_set_parent(g_pixel_clk[disp], g_ldb_clk);
} else {
if (clk_get_usecount(g_pixel_clk[disp]) != 0)
clk_set_parent(g_pixel_clk[disp], g_ipu_clk);
reg &= 0x0000FFFF;
__raw_writel(reg, DI_STP_REP(disp, 6));
__raw_writel(0, DI_STP_REP(disp, 7));
- __raw_writel(0, DI_STP_REP(disp, 9));
+ __raw_writel(0, DI_STP_REP9(disp));
/* Init template microcode */
if (disp) {
if (sig.Vsync_pol)
di_gen |= DI_GEN_POLARITY_3;
- if (sig.clk_pol)
+ if (!sig.clk_pol)
di_gen |= DI_GEN_POL_CLK;
}
uint8_t alpha)
{
uint32_t reg;
- uint32_t flow;
unsigned char bg_chan;
- if (channel == MEM_BG_SYNC || channel == MEM_FG_SYNC)
- flow = DP_SYNC;
- else if (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0)
- flow = DP_ASYNC0;
- else if (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)
- flow = DP_ASYNC1;
- else
+ if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
+ (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
+ (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
return -EINVAL;
if (channel == MEM_BG_SYNC || channel == MEM_BG_ASYNC0 ||
clk_enable(g_ipu_clk);
if (bg_chan) {
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF());
} else {
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg | DP_COM_CONF_GWSEL, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWSEL, DP_COM_CONF());
}
if (enable) {
- reg = __raw_readl(DP_GRAPH_WIND_CTRL(flow)) & 0x00FFFFFFL;
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0x00FFFFFFL;
__raw_writel(reg | ((uint32_t) alpha << 24),
- DP_GRAPH_WIND_CTRL(flow));
+ DP_GRAPH_WIND_CTRL());
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF());
} else {
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF());
}
reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
uint32_t color_key)
{
- uint32_t reg, flow;
+ uint32_t reg;
int y, u, v;
int red, green, blue;
- if (channel == MEM_BG_SYNC || channel == MEM_FG_SYNC)
- flow = DP_SYNC;
- else if (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0)
- flow = DP_ASYNC0;
- else if (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)
- flow = DP_ASYNC1;
- else
+ if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
+ (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
+ (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
return -EINVAL;
if (!g_ipu_clk_enabled)
}
if (enable) {
- reg = __raw_readl(DP_GRAPH_WIND_CTRL(flow)) & 0xFF000000L;
- __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL(flow));
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
+ __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF());
} else {
- reg = __raw_readl(DP_COM_CONF(flow));
- __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF(flow));
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF());
}
reg = __raw_readl(IPU_SRM_PRI2) | 0x8;