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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 4bb4b069839bf80511e76a5b4fcc6b13ff927efb / . / drivers / video / sunxi / tve_common.c
blob: 35251371d14f6c9244e65a2f6d71dc83953bf2a5 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Jernej Skrabecc1080622017-05-10 18:46:28 +0200[diff] [blame]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>
Jernej Skrabecc1080622017-05-10 18:46:28 +0200[diff] [blame]8 */
9
10#include <common.h>
11
12#include <asm/arch/tve.h>
13#include <asm/io.h>
14
15void 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
82void tvencoder_enable(struct sunxi_tve_reg * const tve)
83{
84 setbits_le32(&tve->gctrl, SUNXI_TVE_GCTRL_ENABLE);
85}