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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * TV encoder driver for Allwinner SoCs.
- *
- * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
- * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
- * (C) Copyright 2017 Jernej Skrabec <jernej.skrabec@siol.net>
- */
- #include <common.h>
- #include <asm/arch/tve.h>
- #include <asm/io.h>
- void tvencoder_mode_set(struct sunxi_tve_reg * const tve, enum tve_mode mode)
- {
- switch (mode) {
- case tve_mode_vga:
- writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) |
- SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) |
- SUNXI_TVE_GCTRL_DAC_INPUT(2, 3), &tve->gctrl);
- writel(SUNXI_TVE_CFG0_VGA, &tve->cfg0);
- writel(SUNXI_TVE_DAC_CFG0_VGA, &tve->dac_cfg0);
- writel(SUNXI_TVE_UNKNOWN1_VGA, &tve->unknown1);
- break;
- case tve_mode_composite_pal_nc:
- writel(SUNXI_TVE_CHROMA_FREQ_PAL_NC, &tve->chroma_freq);
- /* Fall through */
- case tve_mode_composite_pal:
- writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) |
- SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) |
- SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) |
- SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl);
- writel(SUNXI_TVE_CFG0_PAL, &tve->cfg0);
- writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0);
- writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter);
- writel(SUNXI_TVE_PORCH_NUM_PAL, &tve->porch_num);
- writel(SUNXI_TVE_LINE_NUM_PAL, &tve->line_num);
- writel(SUNXI_TVE_BLANK_BLACK_LEVEL_PAL,
- &tve->blank_black_level);
- writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1);
- writel(SUNXI_TVE_CBR_LEVEL_PAL, &tve->cbr_level);
- writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width);
- writel(SUNXI_TVE_UNKNOWN2_PAL, &tve->unknown2);
- writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num);
- writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain);
- writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width);
- writel(SUNXI_TVE_RESYNC_NUM_PAL, &tve->resync_num);
- writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para);
- break;
- case tve_mode_composite_pal_m:
- writel(SUNXI_TVE_CHROMA_FREQ_PAL_M, &tve->chroma_freq);
- writel(SUNXI_TVE_COLOR_BURST_PAL_M, &tve->color_burst);
- /* Fall through */
- case tve_mode_composite_ntsc:
- writel(SUNXI_TVE_GCTRL_DAC_INPUT(0, 1) |
- SUNXI_TVE_GCTRL_DAC_INPUT(1, 2) |
- SUNXI_TVE_GCTRL_DAC_INPUT(2, 3) |
- SUNXI_TVE_GCTRL_DAC_INPUT(3, 4), &tve->gctrl);
- writel(SUNXI_TVE_CFG0_NTSC, &tve->cfg0);
- writel(SUNXI_TVE_DAC_CFG0_COMPOSITE, &tve->dac_cfg0);
- writel(SUNXI_TVE_FILTER_COMPOSITE, &tve->filter);
- writel(SUNXI_TVE_PORCH_NUM_NTSC, &tve->porch_num);
- writel(SUNXI_TVE_LINE_NUM_NTSC, &tve->line_num);
- writel(SUNXI_TVE_BLANK_BLACK_LEVEL_NTSC,
- &tve->blank_black_level);
- writel(SUNXI_TVE_UNKNOWN1_COMPOSITE, &tve->unknown1);
- writel(SUNXI_TVE_CBR_LEVEL_NTSC, &tve->cbr_level);
- writel(SUNXI_TVE_BURST_PHASE_NTSC, &tve->burst_phase);
- writel(SUNXI_TVE_BURST_WIDTH_COMPOSITE, &tve->burst_width);
- writel(SUNXI_TVE_UNKNOWN2_NTSC, &tve->unknown2);
- writel(SUNXI_TVE_SYNC_VBI_LEVEL_NTSC, &tve->sync_vbi_level);
- writel(SUNXI_TVE_ACTIVE_NUM_COMPOSITE, &tve->active_num);
- writel(SUNXI_TVE_CHROMA_BW_GAIN_COMP, &tve->chroma_bw_gain);
- writel(SUNXI_TVE_NOTCH_WIDTH_COMPOSITE, &tve->notch_width);
- writel(SUNXI_TVE_RESYNC_NUM_NTSC, &tve->resync_num);
- writel(SUNXI_TVE_SLAVE_PARA_COMPOSITE, &tve->slave_para);
- break;
- }
- }
- void tvencoder_enable(struct sunxi_tve_reg * const tve)
- {
- setbits_le32(&tve->gctrl, SUNXI_TVE_GCTRL_ENABLE);
- }
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