1/* 2 * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> 3 * Parts of this file were based on sources as follows: 4 * 5 * Copyright (C) 2006-2008 Intel Corporation 6 * Copyright (C) 2007 Amos Lee <amos_lee@storlinksemi.com> 7 * Copyright (C) 2007 Dave Airlie <airlied@linux.ie> 8 * Copyright (C) 2011 Texas Instruments 9 * Copyright (C) 2017 Eric Anholt 10 * 11 * This program is free software and is provided to you under the terms of the 12 * GNU General Public License version 2 as published by the Free Software 13 * Foundation, and any use by you of this program is subject to the terms of 14 * such GNU licence. 15 */ 16 17#ifndef _TVE200_DRM_H_ 18#define _TVE200_DRM_H_ 19 20/* Bits 2-31 are valid physical base addresses */ 21#define TVE200_Y_FRAME_BASE_ADDR 0x00 22#define TVE200_U_FRAME_BASE_ADDR 0x04 23#define TVE200_V_FRAME_BASE_ADDR 0x08 24 25#define TVE200_INT_EN 0x0C 26#define TVE200_INT_CLR 0x10 27#define TVE200_INT_STAT 0x14 28#define TVE200_INT_BUS_ERR BIT(7) 29#define TVE200_INT_V_STATUS BIT(6) /* vertical blank */ 30#define TVE200_INT_V_NEXT_FRAME BIT(5) 31#define TVE200_INT_U_NEXT_FRAME BIT(4) 32#define TVE200_INT_Y_NEXT_FRAME BIT(3) 33#define TVE200_INT_V_FIFO_UNDERRUN BIT(2) 34#define TVE200_INT_U_FIFO_UNDERRUN BIT(1) 35#define TVE200_INT_Y_FIFO_UNDERRUN BIT(0) 36#define TVE200_FIFO_UNDERRUNS (TVE200_INT_V_FIFO_UNDERRUN | \ 37 TVE200_INT_U_FIFO_UNDERRUN | \ 38 TVE200_INT_Y_FIFO_UNDERRUN) 39 40#define TVE200_CTRL 0x18 41#define TVE200_CTRL_YUV420 BIT(31) 42#define TVE200_CTRL_CSMODE BIT(30) 43#define TVE200_CTRL_NONINTERLACE BIT(28) /* 0 = non-interlace CCIR656 */ 44#define TVE200_CTRL_TVCLKP BIT(27) /* Inverted clock phase */ 45/* Bits 24..26 define the burst size after arbitration on the bus */ 46#define TVE200_CTRL_BURST_4_WORDS (0 << 24) 47#define TVE200_CTRL_BURST_8_WORDS (1 << 24) 48#define TVE200_CTRL_BURST_16_WORDS (2 << 24) 49#define TVE200_CTRL_BURST_32_WORDS (3 << 24) 50#define TVE200_CTRL_BURST_64_WORDS (4 << 24) 51#define TVE200_CTRL_BURST_128_WORDS (5 << 24) 52#define TVE200_CTRL_BURST_256_WORDS (6 << 24) 53#define TVE200_CTRL_BURST_0_WORDS (7 << 24) /* ? */ 54/* 55 * Bits 16..23 is the retry count*16 before issueing a new AHB transfer 56 * on the AHB bus. 57 */ 58#define TVE200_CTRL_RETRYCNT_MASK GENMASK(23, 16) 59#define TVE200_CTRL_RETRYCNT_16 (1 << 16) 60#define TVE200_CTRL_BBBP BIT(15) /* 0 = little-endian */ 61/* Bits 12..14 define the YCbCr ordering */ 62#define TVE200_CTRL_YCBCRODR_CB0Y0CR0Y1 (0 << 12) 63#define TVE200_CTRL_YCBCRODR_Y0CB0Y1CR0 (1 << 12) 64#define TVE200_CTRL_YCBCRODR_CR0Y0CB0Y1 (2 << 12) 65#define TVE200_CTRL_YCBCRODR_Y1CB0Y0CR0 (3 << 12) 66#define TVE200_CTRL_YCBCRODR_CR0Y1CB0Y0 (4 << 12) 67#define TVE200_CTRL_YCBCRODR_Y1CR0Y0CB0 (5 << 12) 68#define TVE200_CTRL_YCBCRODR_CB0Y1CR0Y0 (6 << 12) 69#define TVE200_CTRL_YCBCRODR_Y0CR0Y1CB0 (7 << 12) 70/* Bits 10..11 define the input resolution (framebuffer size) */ 71#define TVE200_CTRL_IPRESOL_CIF (0 << 10) 72#define TVE200_CTRL_IPRESOL_VGA (1 << 10) 73#define TVE200_CTRL_IPRESOL_D1 (2 << 10) 74#define TVE200_CTRL_NTSC BIT(9) /* 0 = PAL, 1 = NTSC */ 75#define TVE200_CTRL_INTERLACE BIT(8) /* 1 = interlace, only for D1 */ 76#define TVE200_IPDMOD_RGB555 (0 << 6) /* TVE200_CTRL_YUV420 = 0 */ 77#define TVE200_IPDMOD_RGB565 (1 << 6) 78#define TVE200_IPDMOD_RGB888 (2 << 6) 79#define TVE200_IPDMOD_YUV420 (2 << 6) /* TVE200_CTRL_YUV420 = 1 */ 80#define TVE200_IPDMOD_YUV422 (3 << 6) 81/* Bits 4 & 5 define when to fire the vblank IRQ */ 82#define TVE200_VSTSTYPE_VSYNC (0 << 4) /* start of vsync */ 83#define TVE200_VSTSTYPE_VBP (1 << 4) /* start of v back porch */ 84#define TVE200_VSTSTYPE_VAI (2 << 4) /* start of v active image */ 85#define TVE200_VSTSTYPE_VFP (3 << 4) /* start of v front porch */ 86#define TVE200_VSTSTYPE_BITS (BIT(4) | BIT(5)) 87#define TVE200_BGR BIT(1) /* 0 = RGB, 1 = BGR */ 88#define TVE200_TVEEN BIT(0) /* Enable TVE block */ 89 90#define TVE200_CTRL_2 0x1c 91#define TVE200_CTRL_3 0x20 92 93#define TVE200_CTRL_4 0x24 94#define TVE200_CTRL_4_RESET BIT(0) /* triggers reset of TVE200 */ 95 96#include <drm/drm_gem.h> 97#include <drm/drm_simple_kms_helper.h> 98 99struct tve200_drm_dev_private { 100 struct drm_device *drm; 101 102 struct drm_connector *connector; 103 struct drm_panel *panel; 104 struct drm_bridge *bridge; 105 struct drm_simple_display_pipe pipe; 106 107 void *regs; 108 struct clk *pclk; 109 struct clk *clk; 110}; 111 112#define to_tve200_connector(x) \ 113 container_of(x, struct tve200_drm_connector, connector) 114 115int tve200_display_init(struct drm_device *dev); 116irqreturn_t tve200_irq(int irq, void *data); 117int tve200_connector_init(struct drm_device *dev); 118int tve200_encoder_init(struct drm_device *dev); 119int tve200_dumb_create(struct drm_file *file_priv, 120 struct drm_device *dev, 121 struct drm_mode_create_dumb *args); 122 123#endif /* _TVE200_DRM_H_ */ 124