1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * TV encoder driver for Allwinner SoCs. 4 * 5 * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be> 6 * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com> 7 * (C) Copyright 2017 Jernej Skrabec <jernej.skrabec@siol.net> 8 */ 9 10 #include <common.h> 11 12 #include <asm/arch/tve.h> 13 #include <asm/io.h> 14 15 void tvencoder_mode_set(struct sunxi_tve_reg * const tve, enum tve_mode mode) 16 { 17 switch (mode) { 18 case tve_mode_vga: 19 writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | 20 SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | 21 SUNXI_TVE_GCTRL_DAC_INPUT(2, 3), &tve->gctrl); 22 writel(SUNXI_TVE_CFG0_VGA, &tve->cfg0); 23 writel(SUNXI_TVE_DAC_CFG0_VGA, &tve->dac_cfg0); 24 writel(SUNXI_TVE_UNKNOWN1_VGA, &tve->unknown1); 25 break; 26 case tve_mode_composite_pal_nc: 27 writel(SUNXI_TVE_CHROMA_FREQ_PAL_NC, &tve->chroma_freq); 28 /* Fall through */ 29 case tve_mode_composite_pal: 30 writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | 31 SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | 32 SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) | 33 SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl); 34 writel(SUNXI_TVE_CFG0_PAL, &tve->cfg0); 35 writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0); 36 writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter); 37 writel(SUNXI_TVE_PORCH_NUM_PAL, &tve->porch_num); 38 writel(SUNXI_TVE_LINE_NUM_PAL, &tve->line_num); 39 writel(SUNXI_TVE_BLANK_BLACK_LEVEL_PAL, 40 &tve->blank_black_level); 41 writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1); 42 writel(SUNXI_TVE_CBR_LEVEL_PAL, &tve->cbr_level); 43 writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width); 44 writel(SUNXI_TVE_UNKNOWN2_PAL, &tve->unknown2); 45 writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num); 46 writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain); 47 writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width); 48 writel(SUNXI_TVE_RESYNC_NUM_PAL, &tve->resync_num); 49 writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para); 50 break; 51 case tve_mode_composite_pal_m: 52 writel(SUNXI_TVE_CHROMA_FREQ_PAL_M, &tve->chroma_freq); 53 writel(SUNXI_TVE_COLOR_BURST_PAL_M, &tve->color_burst); 54 /* Fall through */ 55 case tve_mode_composite_ntsc: 56 writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) | 57 SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) | 58 SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) | 59 SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl); 60 writel(SUNXI_TVE_CFG0_NTSC, &tve->cfg0); 61 writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0); 62 writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter); 63 writel(SUNXI_TVE_PORCH_NUM_NTSC, &tve->porch_num); 64 writel(SUNXI_TVE_LINE_NUM_NTSC, &tve->line_num); 65 writel(SUNXI_TVE_BLANK_BLACK_LEVEL_NTSC, 66 &tve->blank_black_level); 67 writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1); 68 writel(SUNXI_TVE_CBR_LEVEL_NTSC, &tve->cbr_level); 69 writel(SUNXI_TVE_BURST_PHASE_NTSC, &tve->burst_phase); 70 writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width); 71 writel(SUNXI_TVE_UNKNOWN2_NTSC, &tve->unknown2); 72 writel(SUNXI_TVE_SYNC_VBI_LEVEL_NTSC, &tve->sync_vbi_level); 73 writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num); 74 writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain); 75 writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width); 76 writel(SUNXI_TVE_RESYNC_NUM_NTSC, &tve->resync_num); 77 writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para); 78 break; 79 } 80 } 81 82 void tvencoder_enable(struct sunxi_tve_reg * const tve) 83 { 84 setbits_le32(&tve->gctrl, SUNXI_TVE_GCTRL_ENABLE); 85 } 86