--- /dev/null
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include "ipu.h"
+#include "ipu_regs.h"
+
+enum csc_type_t {
+ RGB2YUV = 0,
+ YUV2RGB,
+ RGB2RGB,
+ YUV2YUV,
+ CSC_NONE,
+ CSC_NUM
+};
+
+struct dp_csc_param_t {
+ int mode;
+ void *coeff;
+};
+
+#define SYNC_WAVE 0
+
+/* DC display ID assignments */
+#define DC_DISP_ID_SYNC(di) (di)
+#define DC_DISP_ID_SERIAL 2
+#define DC_DISP_ID_ASYNC 3
+
+int dmfc_type_setup;
+static int dmfc_size_28, dmfc_size_29, dmfc_size_24, dmfc_size_27, dmfc_size_23;
+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];
+
+extern unsigned char g_ipu_clk_enabled;
+extern unsigned char g_dc_di_assignment[];
+
+void ipu_dmfc_init(int dmfc_type, int first)
+{
+ u32 dmfc_wr_chan, dmfc_dp_chan;
+
+ if (first) {
+ if (dmfc_type_setup > dmfc_type)
+ dmfc_type = dmfc_type_setup;
+ else
+ dmfc_type_setup = dmfc_type;
+
+ /* disable DMFC-IC channel*/
+ __raw_writel(0x2, DMFC_IC_CTRL);
+ } else if (dmfc_type_setup >= DMFC_HIGH_RESOLUTION_DC) {
+ printf("DMFC high resolution has set, will not change\n");
+ return;
+ } else
+ dmfc_type_setup = dmfc_type;
+
+ if (dmfc_type == DMFC_HIGH_RESOLUTION_DC) {
+ /* 1 - segment 0~3;
+ * 5B - segement 4, 5;
+ * 5F - segement 6, 7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC DC HIGH RES: 1(0~3), 5B(4,5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000088;
+ dmfc_dp_chan = 0x00009694;
+ dmfc_size_28 = 256 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 128 * 4;
+ } else if (dmfc_type == DMFC_HIGH_RESOLUTION_DP) {
+ /* 1 - segment 0, 1;
+ * 5B - segement 2~5;
+ * 5F - segement 6,7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC DP HIGH RES: 1(0,1), 5B(2~5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000090;
+ dmfc_dp_chan = 0x0000968a;
+ dmfc_size_28 = 128 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 256 * 4;
+ } else if (dmfc_type == DMFC_HIGH_RESOLUTION_ONLY_DP) {
+ /* 5B - segement 0~3;
+ * 5F - segement 4~7;
+ * 1, 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC ONLY-DP HIGH RES: 5B(0~3), 5F(4~7)\n");
+ dmfc_wr_chan = 0x00000000;
+ dmfc_dp_chan = 0x00008c88;
+ dmfc_size_28 = 0;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 256 * 4;
+ dmfc_size_23 = 256 * 4;
+ } else {
+ /* 1 - segment 0, 1;
+ * 5B - segement 4, 5;
+ * 5F - segement 6, 7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000090;
+ dmfc_dp_chan = 0x00009694;
+ dmfc_size_28 = 128 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 128 * 4;
+ }
+ __raw_writel(dmfc_wr_chan, DMFC_WR_CHAN);
+ __raw_writel(0x202020F6, DMFC_WR_CHAN_DEF);
+ __raw_writel(dmfc_dp_chan, DMFC_DP_CHAN);
+ /* Enable chan 5 watermark set at 5 bursts and clear at 7 bursts */
+ __raw_writel(0x2020F6F6, DMFC_DP_CHAN_DEF);
+}
+
+void ipu_dmfc_set_wait4eot(int dma_chan, int width)
+{
+ u32 dmfc_gen1 = __raw_readl(DMFC_GENERAL1);
+
+ if (width >= HIGH_RESOLUTION_WIDTH) {
+ if (dma_chan == 23)
+ ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DP, 0);
+ else if (dma_chan == 28)
+ ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DC, 0);
+ }
+
+ if (dma_chan == 23) { /*5B*/
+ if (dmfc_size_23 / width > 3)
+ dmfc_gen1 |= 1UL << 20;
+ else
+ dmfc_gen1 &= ~(1UL << 20);
+ } else if (dma_chan == 24) { /*6B*/
+ if (dmfc_size_24 / width > 1)
+ dmfc_gen1 |= 1UL << 22;
+ else
+ dmfc_gen1 &= ~(1UL << 22);
+ } else if (dma_chan == 27) { /*5F*/
+ if (dmfc_size_27 / width > 2)
+ dmfc_gen1 |= 1UL << 21;
+ else
+ dmfc_gen1 &= ~(1UL << 21);
+ } else if (dma_chan == 28) { /*1*/
+ if (dmfc_size_28 / width > 2)
+ dmfc_gen1 |= 1UL << 16;
+ else
+ dmfc_gen1 &= ~(1UL << 16);
+ } else if (dma_chan == 29) { /*6F*/
+ if (dmfc_size_29 / width > 1)
+ dmfc_gen1 |= 1UL << 23;
+ else
+ dmfc_gen1 &= ~(1UL << 23);
+ }
+
+ __raw_writel(dmfc_gen1, DMFC_GENERAL1);
+}
+
+static void ipu_di_data_wave_config(int di,
+ int wave_gen,
+ int access_size, int component_size)
+{
+ u32 reg;
+ reg = (access_size << DI_DW_GEN_ACCESS_SIZE_OFFSET) |
+ (component_size << DI_DW_GEN_COMPONENT_SIZE_OFFSET);
+ __raw_writel(reg, DI_DW_GEN(di, wave_gen));
+}
+
+static void ipu_di_data_pin_config(int di, int wave_gen, int di_pin, int set,
+ int up, int down)
+{
+ u32 reg;
+
+ reg = __raw_readl(DI_DW_GEN(di, wave_gen));
+ reg &= ~(0x3 << (di_pin * 2));
+ reg |= set << (di_pin * 2);
+ __raw_writel(reg, DI_DW_GEN(di, wave_gen));
+
+ __raw_writel((down << 16) | up, DI_DW_SET(di, wave_gen, set));
+}
+
+static void ipu_di_sync_config(int di, int wave_gen,
+ int run_count, int run_src,
+ int offset_count, int offset_src,
+ int repeat_count, int cnt_clr_src,
+ int cnt_polarity_gen_en,
+ int cnt_polarity_clr_src,
+ int cnt_polarity_trigger_src,
+ int cnt_up, int cnt_down)
+{
+ u32 reg;
+
+ if ((run_count >= 0x1000) || (offset_count >= 0x1000) ||
+ (repeat_count >= 0x1000) ||
+ (cnt_up >= 0x400) || (cnt_down >= 0x400)) {
+ printf("DI%d counters out of range.\n", di);
+ return;
+ }
+
+ reg = (run_count << 19) | (++run_src << 16) |
+ (offset_count << 3) | ++offset_src;
+ __raw_writel(reg, DI_SW_GEN0(di, wave_gen));
+ reg = (cnt_polarity_gen_en << 29) | (++cnt_clr_src << 25) |
+ (++cnt_polarity_trigger_src << 12) | (++cnt_polarity_clr_src << 9);
+ reg |= (cnt_down << 16) | cnt_up;
+ if (repeat_count == 0) {
+ /* Enable auto reload */
+ reg |= 0x10000000;
+ }
+ __raw_writel(reg, DI_SW_GEN1(di, wave_gen));
+ reg = __raw_readl(DI_STP_REP(di, wave_gen));
+ reg &= ~(0xFFFF << (16 * ((wave_gen - 1) & 0x1)));
+ reg |= repeat_count << (16 * ((wave_gen - 1) & 0x1));
+ __raw_writel(reg, DI_STP_REP(di, wave_gen));
+}
+
+static void ipu_dc_map_config(int map, int byte_num, int offset, int mask)
+{
+ int ptr = map * 3 + byte_num;
+ u32 reg;
+
+ reg = __raw_readl(DC_MAP_CONF_VAL(ptr));
+ reg &= ~(0xFFFF << (16 * (ptr & 0x1)));
+ reg |= ((offset << 8) | mask) << (16 * (ptr & 0x1));
+ __raw_writel(reg, DC_MAP_CONF_VAL(ptr));
+
+ reg = __raw_readl(DC_MAP_CONF_PTR(map));
+ reg &= ~(0x1F << ((16 * (map & 0x1)) + (5 * byte_num)));
+ reg |= ptr << ((16 * (map & 0x1)) + (5 * byte_num));
+ __raw_writel(reg, DC_MAP_CONF_PTR(map));
+}
+
+static void ipu_dc_map_clear(int map)
+{
+ u32 reg = __raw_readl(DC_MAP_CONF_PTR(map));
+ __raw_writel(reg & ~(0xFFFF << (16 * (map & 0x1))),
+ DC_MAP_CONF_PTR(map));
+}
+
+static void ipu_dc_write_tmpl(int word, u32 opcode, u32 operand, int map,
+ int wave, int glue, int sync)
+{
+ u32 reg;
+ int stop = 1;
+
+ reg = sync;
+ reg |= (glue << 4);
+ reg |= (++wave << 11);
+ reg |= (++map << 15);
+ reg |= (operand << 20) & 0xFFF00000;
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
+
+ reg = (operand >> 12);
+ reg |= opcode << 4;
+ reg |= (stop << 9);
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
+}
+
+static void ipu_dc_link_event(int chan, int event, int addr, int priority)
+{
+ u32 reg;
+
+ reg = __raw_readl(DC_RL_CH(chan, event));
+ reg &= ~(0xFFFF << (16 * (event & 0x1)));
+ reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
+ __raw_writel(reg, DC_RL_CH(chan, event));
+}
+
+/* Y = R * 1.200 + G * 2.343 + B * .453 + 0.250;
+ * U = R * -.672 + G * -1.328 + B * 2.000 + 512.250.;
+ * V = R * 2.000 + G * -1.672 + B * -.328 + 512.250.;
+ */
+static const int rgb2ycbcr_coeff[5][3] = {
+ {0x4D, 0x96, 0x1D},
+ {0x3D5, 0x3AB, 0x80},
+ {0x80, 0x395, 0x3EB},
+ {0x0000, 0x0200, 0x0200}, /* B0, B1, B2 */
+ {0x2, 0x2, 0x2}, /* S0, S1, S2 */
+};
+
+/* R = (1.164 * (Y - 16)) + (1.596 * (Cr - 128));
+ * G = (1.164 * (Y - 16)) - (0.392 * (Cb - 128)) - (0.813 * (Cr - 128));
+ * B = (1.164 * (Y - 16)) + (2.017 * (Cb - 128);
+ */
+static const int ycbcr2rgb_coeff[5][3] = {
+ {0x095, 0x000, 0x0CC},
+ {0x095, 0x3CE, 0x398},
+ {0x095, 0x0FF, 0x000},
+ {0x3E42, 0x010A, 0x3DD6}, /*B0,B1,B2 */
+ {0x1, 0x1, 0x1}, /*S0,S1,S2 */
+};
+
+#define mask_a(a) ((u32)(a) & 0x3FF)
+#define mask_b(b) ((u32)(b) & 0x3FFF)
+
+/* Pls keep S0, S1 and S2 as 0x2 by using this convertion */
+static int rgb_to_yuv(int n, int red, int green, int blue)
+{
+ int c;
+ c = red * rgb2ycbcr_coeff[n][0];
+ c += green * rgb2ycbcr_coeff[n][1];
+ c += blue * rgb2ycbcr_coeff[n][2];
+ c /= 16;
+ c += rgb2ycbcr_coeff[3][n] * 4;
+ c += 8;
+ c /= 16;
+ if (c < 0)
+ c = 0;
+ if (c > 255)
+ c = 255;
+ return c;
+}
+
+/*
+ * Row is for BG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
+ * Column is for FG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
+ */
+static struct dp_csc_param_t dp_csc_array[CSC_NUM][CSC_NUM] = {
+ {
+ {DP_COM_CONF_CSC_DEF_BOTH, &rgb2ycbcr_coeff},
+ {0, 0},
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff},
+ {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff}
+ },
+ {
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BOTH, &ycbcr2rgb_coeff},
+ {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff}
+ },
+ {
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ },
+ {
+ {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ },
+ {
+ {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
+ {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ }
+};
+
+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,
+ unsigned char srm_mode_update)
+{
+ u32 reg;
+ const int (*coeff)[5][3];
+
+ if (dp_csc_param.mode >= 0) {
+ reg = __raw_readl(DP_COM_CONF());
+ reg &= ~DP_COM_CONF_CSC_DEF_MASK;
+ reg |= dp_csc_param.mode;
+ __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());
+ __raw_writel(mask_a((*coeff)[0][2]) |
+ (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());
+ __raw_writel(mask_a((*coeff)[2][0]) |
+ (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());
+ __raw_writel(mask_b((*coeff)[3][1]) | ((*coeff)[4][1] << 14) |
+ (mask_b((*coeff)[3][2]) << 16) |
+ ((*coeff)[4][2] << 30), DP_CSC_1());
+ }
+
+ if (srm_mode_update) {
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+ }
+}
+
+int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
+ uint32_t out_pixel_fmt)
+{
+ int in_fmt, out_fmt;
+ int dp;
+ int partial = 0;
+ uint32_t reg;
+
+ if (channel == MEM_FG_SYNC) {
+ dp = DP_SYNC;
+ partial = 1;
+ } else if (channel == MEM_BG_SYNC) {
+ dp = DP_SYNC;
+ partial = 0;
+ } else if (channel == MEM_BG_ASYNC0) {
+ dp = DP_ASYNC0;
+ partial = 0;
+ } else {
+ return -EINVAL;
+ }
+
+ in_fmt = format_to_colorspace(in_pixel_fmt);
+ out_fmt = format_to_colorspace(out_pixel_fmt);
+
+ if (partial) {
+ if (in_fmt == RGB) {
+ if (out_fmt == RGB)
+ fg_csc_type = RGB2RGB;
+ else
+ fg_csc_type = RGB2YUV;
+ } else {
+ if (out_fmt == RGB)
+ fg_csc_type = YUV2RGB;
+ else
+ fg_csc_type = YUV2YUV;
+ }
+ } else {
+ if (in_fmt == RGB) {
+ if (out_fmt == RGB)
+ bg_csc_type = RGB2RGB;
+ else
+ bg_csc_type = RGB2YUV;
+ } else {
+ if (out_fmt == RGB)
+ bg_csc_type = YUV2RGB;
+ else
+ bg_csc_type = YUV2YUV;
+ }
+ }
+
+ /* Transform color key from rgb to yuv if CSC is enabled */
+ 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 == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((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()) &
+ 0xFFFFFFL;
+
+ debug("_ipu_dp_init color key 0x%x need change to yuv fmt!\n",
+ color_key);
+
+ red = (color_key >> 16) & 0xFF;
+ green = (color_key >> 8) & 0xFF;
+ blue = color_key & 0xFF;
+
+ y = rgb_to_yuv(0, red, green, blue);
+ u = rgb_to_yuv(1, red, green, blue);
+ v = rgb_to_yuv(2, red, green, blue);
+ color_key = (y << 16) | (u << 8) | v;
+
+ 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",
+ color_key);
+ }
+
+ ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 1);
+
+ return 0;
+}
+
+void ipu_dp_uninit(ipu_channel_t channel)
+{
+ int dp;
+ int partial = 0;
+
+ if (channel == MEM_FG_SYNC) {
+ dp = DP_SYNC;
+ partial = 1;
+ } else if (channel == MEM_BG_SYNC) {
+ dp = DP_SYNC;
+ partial = 0;
+ } else if (channel == MEM_BG_ASYNC0) {
+ dp = DP_ASYNC0;
+ partial = 0;
+ } else {
+ return;
+ }
+
+ if (partial)
+ fg_csc_type = CSC_NONE;
+ else
+ bg_csc_type = CSC_NONE;
+
+ ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 0);
+}
+
+void ipu_dc_init(int dc_chan, int di, unsigned char interlaced)
+{
+ u32 reg = 0;
+
+ if ((dc_chan == 1) || (dc_chan == 5)) {
+ if (interlaced) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 1);
+ } else {
+ if (di) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 2, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 3, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
+ 4, 1);
+ } else {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 5, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 6, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
+ 7, 1);
+ }
+ }
+ ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
+
+ reg = 0x2;
+ reg |= DC_DISP_ID_SYNC(di) << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
+ reg |= di << 2;
+ if (interlaced)
+ reg |= DC_WR_CH_CONF_FIELD_MODE;
+ } else if ((dc_chan == 8) || (dc_chan == 9)) {
+ /* async channels */
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0x64, 1);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0x64, 1);
+
+ reg = 0x3;
+ reg |= DC_DISP_ID_SERIAL << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
+ }
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ __raw_writel(0x00000000, DC_WR_CH_ADDR(dc_chan));
+
+ __raw_writel(0x00000084, DC_GEN);
+}
+
+void ipu_dc_uninit(int dc_chan)
+{
+ if ((dc_chan == 1) || (dc_chan == 5)) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
+ } else if ((dc_chan == 8) || (dc_chan == 9)) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_1, 0, 0);
+ }
+}
+
+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)
+ dc_chan = 5;
+ else
+ return;
+
+ if (channel == MEM_FG_SYNC) {
+ /* Enable FG channel */
+ 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);
+ return;
+ }
+
+ di = g_dc_di_assignment[dc_chan];
+
+ /* Make sure other DC sync channel is not assigned same DI */
+ reg = __raw_readl(DC_WR_CH_CONF(6 - dc_chan));
+ if ((di << 2) == (reg & DC_WR_CH_CONF_PROG_DI_ID)) {
+ reg &= ~DC_WR_CH_CONF_PROG_DI_ID;
+ reg |= di ? 0 : DC_WR_CH_CONF_PROG_DI_ID;
+ __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
+ }
+
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ reg |= 4 << DC_WR_CH_CONF_PROG_TYPE_OFFSET;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ clk_enable(g_pixel_clk[di]);
+}
+
+static unsigned char dc_swap;
+
+void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap)
+{
+ uint32_t reg;
+ uint32_t csc;
+ uint32_t dc_chan = 0;
+ int timeout = 50;
+
+ dc_swap = swap;
+
+ if (channel == MEM_DC_SYNC) {
+ dc_chan = 1;
+ } else if (channel == MEM_BG_SYNC) {
+ dc_chan = 5;
+ } else if (channel == MEM_FG_SYNC) {
+ /* Disable FG channel */
+ dc_chan = 5;
+
+ 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());
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ timeout = 50;
+
+ /*
+ * Wait for DC triple buffer to empty,
+ * this check is useful for tv overlay.
+ */
+ 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;
+ }
+ return;
+ } else {
+ return;
+ }
+
+ if (dc_swap) {
+ /* Swap DC channel 1 and 5 settings, and disable old dc chan */
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ 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;
+ }
+
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ reg = __raw_readl(IPU_DISP_GEN);
+ if (g_dc_di_assignment[dc_chan])
+ reg &= ~DI1_COUNTER_RELEASE;
+ else
+ reg &= ~DI0_COUNTER_RELEASE;
+ __raw_writel(reg, IPU_DISP_GEN);
+
+ /* Clock is already off because it must be done quickly, but
+ we need to fix the ref count */
+ clk_disable(g_pixel_clk[g_dc_di_assignment[dc_chan]]);
+ }
+}
+
+void ipu_init_dc_mappings(void)
+{
+ /* IPU_PIX_FMT_RGB24 */
+ ipu_dc_map_clear(0);
+ ipu_dc_map_config(0, 0, 7, 0xFF);
+ ipu_dc_map_config(0, 1, 15, 0xFF);
+ ipu_dc_map_config(0, 2, 23, 0xFF);
+
+ /* IPU_PIX_FMT_RGB666 */
+ ipu_dc_map_clear(1);
+ ipu_dc_map_config(1, 0, 5, 0xFC);
+ ipu_dc_map_config(1, 1, 11, 0xFC);
+ ipu_dc_map_config(1, 2, 17, 0xFC);
+
+ /* IPU_PIX_FMT_YUV444 */
+ ipu_dc_map_clear(2);
+ ipu_dc_map_config(2, 0, 15, 0xFF);
+ ipu_dc_map_config(2, 1, 23, 0xFF);
+ ipu_dc_map_config(2, 2, 7, 0xFF);
+
+ /* IPU_PIX_FMT_RGB565 */
+ ipu_dc_map_clear(3);
+ ipu_dc_map_config(3, 0, 4, 0xF8);
+ ipu_dc_map_config(3, 1, 10, 0xFC);
+ ipu_dc_map_config(3, 2, 15, 0xF8);
+
+ /* IPU_PIX_FMT_LVDS666 */
+ ipu_dc_map_clear(4);
+ ipu_dc_map_config(4, 0, 5, 0xFC);
+ ipu_dc_map_config(4, 1, 13, 0xFC);
+ ipu_dc_map_config(4, 2, 21, 0xFC);
+}
+
+int ipu_pixfmt_to_map(uint32_t fmt)
+{
+ switch (fmt) {
+ case IPU_PIX_FMT_GENERIC:
+ case IPU_PIX_FMT_RGB24:
+ return 0;
+ case IPU_PIX_FMT_RGB666:
+ return 1;
+ case IPU_PIX_FMT_YUV444:
+ return 2;
+ case IPU_PIX_FMT_RGB565:
+ return 3;
+ case IPU_PIX_FMT_LVDS666:
+ return 4;
+ }
+
+ 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.
+ *
+ * @param disp The DI the panel is attached to.
+ *
+ * @param pixel_clk Desired pixel clock frequency in Hz.
+ *
+ * @param pixel_fmt Input parameter for pixel format of buffer.
+ * Pixel format is a FOURCC ASCII code.
+ *
+ * @param width The width of panel in pixels.
+ *
+ * @param height The height of panel in pixels.
+ *
+ * @param hStartWidth The number of pixel clocks between the HSYNC
+ * signal pulse and the start of valid data.
+ *
+ * @param hSyncWidth The width of the HSYNC signal in units of pixel
+ * clocks.
+ *
+ * @param hEndWidth The number of pixel clocks between the end of
+ * valid data and the HSYNC signal for next line.
+ *
+ * @param vStartWidth The number of lines between the VSYNC
+ * signal pulse and the start of valid data.
+ *
+ * @param vSyncWidth The width of the VSYNC signal in units of lines
+ *
+ * @param vEndWidth The number of lines between the end of valid
+ * data and the VSYNC signal for next frame.
+ *
+ * @param sig Bitfield of signal polarities for LCD interface.
+ *
+ * @return This function returns 0 on success or negative error code on
+ * fail.
+ */
+
+int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
+ uint16_t width, uint16_t height,
+ uint32_t pixel_fmt,
+ uint16_t h_start_width, uint16_t h_sync_width,
+ uint16_t h_end_width, uint16_t v_start_width,
+ uint16_t v_sync_width, uint16_t v_end_width,
+ uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig)
+{
+ uint32_t reg;
+ uint32_t di_gen, vsync_cnt;
+ uint32_t div, rounded_pixel_clk;
+ uint32_t h_total, v_total;
+ int map;
+ struct clk *di_parent;
+
+ debug("panel size = %d x %d\n", width, height);
+
+ if ((v_sync_width == 0) || (h_sync_width == 0))
+ return -EINVAL;
+
+ 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);
+
+ if (sig.ext_clk) {
+ if (!(g_di1_tvout && (disp == 1))) { /*not round div for tvout*/
+ /*
+ * Set the PLL to be an even multiple
+ * of the pixel clock.
+ */
+ if ((clk_get_usecount(g_pixel_clk[0]) == 0) &&
+ (clk_get_usecount(g_pixel_clk[1]) == 0)) {
+ di_parent = clk_get_parent(g_di_clk[disp]);
+ rounded_pixel_clk =
+ clk_round_rate(g_pixel_clk[disp],
+ pixel_clk);
+ div = clk_get_rate(di_parent) /
+ rounded_pixel_clk;
+ if (div % 2)
+ div++;
+ if (clk_get_rate(di_parent) != div *
+ rounded_pixel_clk)
+ clk_set_rate(di_parent,
+ div * rounded_pixel_clk);
+ udelay(10000);
+ clk_set_rate(g_di_clk[disp],
+ 2 * rounded_pixel_clk);
+ udelay(10000);
+ }
+ }
+ 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);
+ }
+ rounded_pixel_clk = clk_round_rate(g_pixel_clk[disp], pixel_clk);
+ clk_set_rate(g_pixel_clk[disp], rounded_pixel_clk);
+ udelay(5000);
+ /* Get integer portion of divider */
+ div = clk_get_rate(clk_get_parent(g_pixel_clk[disp])) /
+ rounded_pixel_clk;
+
+ ipu_di_data_wave_config(disp, SYNC_WAVE, div - 1, div - 1);
+ ipu_di_data_pin_config(disp, SYNC_WAVE, DI_PIN15, 3, 0, div * 2);
+
+ map = ipu_pixfmt_to_map(pixel_fmt);
+ if (map < 0) {
+ debug("IPU_DISP: No MAP\n");
+ return -EINVAL;
+ }
+
+ di_gen = __raw_readl(DI_GENERAL(disp));
+
+ if (sig.interlaced) {
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 1, /* counter */
+ h_total / 2 - 1,/* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Field 1 VSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 2, /* counter */
+ h_total - 1, /* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 3, /* counter */
+ v_total * 2 - 1,/* run count */
+ DI_SYNC_INT_HSYNC, /* run_resolution */
+ 1, /* offset */
+ DI_SYNC_INT_HSYNC, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* Active Field ? */
+ ipu_di_sync_config(
+ disp, /* display */
+ 4, /* counter */
+ v_total / 2 - 1,/* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ v_start_width, /* offset */
+ DI_SYNC_HSYNC, /* offset resolution */
+ 2, /* repeat count */
+ DI_SYNC_VSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Active Line */
+ ipu_di_sync_config(
+ disp, /* display */
+ 5, /* counter */
+ 0, /* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ height / 2, /* repeat count */
+ 4, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Field 0 VSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 6, /* counter */
+ v_total - 1, /* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* DC VSYNC waveform */
+ vsync_cnt = 7;
+ ipu_di_sync_config(
+ disp, /* display */
+ 7, /* counter */
+ v_total / 2 - 1,/* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 9, /* offset */
+ DI_SYNC_HSYNC, /* offset resolution */
+ 2, /* repeat count */
+ DI_SYNC_VSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* active pixel waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 8, /* counter */
+ 0, /* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ h_start_width, /* offset */
+ DI_SYNC_CLK, /* offset resolution */
+ width, /* repeat count */
+ 5, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ ipu_di_sync_config(
+ disp, /* display */
+ 9, /* counter */
+ v_total - 1, /* run count */
+ DI_SYNC_INT_HSYNC,/* run_resolution */
+ v_total / 2, /* offset */
+ DI_SYNC_INT_HSYNC,/* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_HSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* set gentime select and tag sel */
+ reg = __raw_readl(DI_SW_GEN1(disp, 9));
+ reg &= 0x1FFFFFFF;
+ reg |= (3 - 1)<<29 | 0x00008000;
+ __raw_writel(reg, DI_SW_GEN1(disp, 9));
+
+ __raw_writel(v_total / 2 - 1, DI_SCR_CONF(disp));
+
+ /* set y_sel = 1 */
+ di_gen |= 0x10000000;
+ di_gen |= DI_GEN_POLARITY_5;
+ di_gen |= DI_GEN_POLARITY_8;
+ } else {
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(disp, 1, h_total - 1, DI_SYNC_CLK,
+ 0, DI_SYNC_NONE, 0, DI_SYNC_NONE,
+ 0, DI_SYNC_NONE,
+ DI_SYNC_NONE, 0, 0);
+
+ /* Setup external (delayed) HSYNC waveform */
+ ipu_di_sync_config(disp, DI_SYNC_HSYNC, h_total - 1,
+ DI_SYNC_CLK, div * v_to_h_sync, DI_SYNC_CLK,
+ 0, DI_SYNC_NONE, 1, DI_SYNC_NONE,
+ DI_SYNC_CLK, 0, h_sync_width * 2);
+ /* Setup VSYNC waveform */
+ vsync_cnt = DI_SYNC_VSYNC;
+ ipu_di_sync_config(disp, DI_SYNC_VSYNC, v_total - 1,
+ DI_SYNC_INT_HSYNC, 0, DI_SYNC_NONE, 0,
+ DI_SYNC_NONE, 1, DI_SYNC_NONE,
+ DI_SYNC_INT_HSYNC, 0, v_sync_width * 2);
+ __raw_writel(v_total - 1, DI_SCR_CONF(disp));
+
+ /* Setup active data waveform to sync with DC */
+ ipu_di_sync_config(disp, 4, 0, DI_SYNC_HSYNC,
+ v_sync_width + v_start_width, DI_SYNC_HSYNC,
+ height,
+ DI_SYNC_VSYNC, 0, DI_SYNC_NONE,
+ DI_SYNC_NONE, 0, 0);
+ ipu_di_sync_config(disp, 5, 0, DI_SYNC_CLK,
+ h_sync_width + h_start_width, DI_SYNC_CLK,
+ width, 4, 0, DI_SYNC_NONE, DI_SYNC_NONE, 0,
+ 0);
+
+ /* reset all unused counters */
+ __raw_writel(0, DI_SW_GEN0(disp, 6));
+ __raw_writel(0, DI_SW_GEN1(disp, 6));
+ __raw_writel(0, DI_SW_GEN0(disp, 7));
+ __raw_writel(0, DI_SW_GEN1(disp, 7));
+ __raw_writel(0, DI_SW_GEN0(disp, 8));
+ __raw_writel(0, DI_SW_GEN1(disp, 8));
+ __raw_writel(0, DI_SW_GEN0(disp, 9));
+ __raw_writel(0, DI_SW_GEN1(disp, 9));
+
+ reg = __raw_readl(DI_STP_REP(disp, 6));
+ 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));
+
+ /* Init template microcode */
+ if (disp) {
+ ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5);
+ ipu_dc_write_tmpl(3, WROD(0), 0, map, SYNC_WAVE, 4, 5);
+ ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ } else {
+ ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5);
+ ipu_dc_write_tmpl(6, WROD(0), 0, map, SYNC_WAVE, 4, 5);
+ ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ }
+
+ if (sig.Hsync_pol)
+ di_gen |= DI_GEN_POLARITY_2;
+ if (sig.Vsync_pol)
+ di_gen |= DI_GEN_POLARITY_3;
+
+ if (!sig.clk_pol)
+ di_gen |= DI_GEN_POL_CLK;
+
+ }
+
+ __raw_writel(di_gen, DI_GENERAL(disp));
+
+ __raw_writel((--vsync_cnt << DI_VSYNC_SEL_OFFSET) |
+ 0x00000002, DI_SYNC_AS_GEN(disp));
+
+ reg = __raw_readl(DI_POL(disp));
+ reg &= ~(DI_POL_DRDY_DATA_POLARITY | DI_POL_DRDY_POLARITY_15);
+ if (sig.enable_pol)
+ reg |= DI_POL_DRDY_POLARITY_15;
+ if (sig.data_pol)
+ reg |= DI_POL_DRDY_DATA_POLARITY;
+ __raw_writel(reg, DI_POL(disp));
+
+ __raw_writel(width, DC_DISP_CONF2(DC_DISP_ID_SYNC(disp)));
+
+ return 0;
+}
+
+/*
+ * This function sets the foreground and background plane global alpha blending
+ * modes. This function also sets the DP graphic plane according to the
+ * parameter of IPUv3 DP channel.
+ *
+ * @param channel IPUv3 DP channel
+ *
+ * @param enable Boolean to enable or disable global alpha
+ * blending. If disabled, local blending is used.
+ *
+ * @param alpha Global alpha value.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
+ uint8_t alpha)
+{
+ uint32_t reg;
+
+ unsigned char bg_chan;
+
+ 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 ||
+ channel == MEM_BG_ASYNC1)
+ bg_chan = 1;
+ else
+ bg_chan = 0;
+
+ if (!g_ipu_clk_enabled)
+ clk_enable(g_ipu_clk);
+
+ if (bg_chan) {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF());
+ } else {
+ 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()) & 0x00FFFFFFL;
+ __raw_writel(reg | ((uint32_t) alpha << 24),
+ DP_GRAPH_WIND_CTRL());
+
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF());
+ } else {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF());
+ }
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ if (!g_ipu_clk_enabled)
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
+
+/*
+ * This function sets the transparent color key for SDC graphic plane.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param enable Boolean to enable or disable color key
+ *
+ * @param colorKey 24-bit RGB color for transparent color key.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
+ uint32_t color_key)
+{
+ uint32_t reg;
+ int y, u, v;
+ int red, green, blue;
+
+ 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)
+ clk_enable(g_ipu_clk);
+
+ color_key_4rgb = 1;
+ /* Transform color key from rgb to yuv if CSC is enabled */
+ if (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB))) {
+
+ debug("color key 0x%x need change to yuv fmt\n", color_key);
+
+ red = (color_key >> 16) & 0xFF;
+ green = (color_key >> 8) & 0xFF;
+ blue = color_key & 0xFF;
+
+ y = rgb_to_yuv(0, red, green, blue);
+ u = rgb_to_yuv(1, red, green, blue);
+ v = rgb_to_yuv(2, red, green, blue);
+ color_key = (y << 16) | (u << 8) | v;
+
+ color_key_4rgb = 0;
+
+ debug("color key change to yuv fmt 0x%x\n", color_key);
+ }
+
+ if (enable) {
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
+ __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
+
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF());
+ } else {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF());
+ }
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ if (!g_ipu_clk_enabled)
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff