diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/video/ipu_disp.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/video/ipu_disp.c | 1335 |
1 files changed, 0 insertions, 1335 deletions
diff --git a/qemu/roms/u-boot/drivers/video/ipu_disp.c b/qemu/roms/u-boot/drivers/video/ipu_disp.c deleted file mode 100644 index cefd2dc14..000000000 --- a/qemu/roms/u-boot/drivers/video/ipu_disp.c +++ /dev/null @@ -1,1335 +0,0 @@ -/* - * 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; -} |