/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2023 Loongson Technology Corporation Limited */ #ifndef __LSDC_REGS_H__ #define __LSDC_REGS_H__ #include #include /* * PIXEL PLL Reference clock */ #define LSDC_PLL_REF_CLK_KHZ 100000 /* * Those PLL registers are relative to LSxxxxx_CFG_REG_BASE. xxxxx = 7A1000, * 7A2000, 2K2000, 2K1000 etc. */ /* LS7A1000 */ #define LS7A1000_PIXPLL0_REG 0x04B0 #define LS7A1000_PIXPLL1_REG 0x04C0 /* The DC, GPU, Graphic Memory Controller share the single gfxpll */ #define LS7A1000_PLL_GFX_REG 0x0490 #define LS7A1000_CONF_REG_BASE 0x10010000 /* LS7A2000 */ #define LS7A2000_PIXPLL0_REG 0x04B0 #define LS7A2000_PIXPLL1_REG 0x04C0 /* The DC, GPU, Graphic Memory Controller share the single gfxpll */ #define LS7A2000_PLL_GFX_REG 0x0490 #define LS7A2000_CONF_REG_BASE 0x10010000 /* For LSDC_CRTCx_CFG_REG */ #define CFG_PIX_FMT_MASK GENMASK(2, 0) enum lsdc_pixel_format { LSDC_PF_NONE = 0, LSDC_PF_XRGB444 = 1, /* [12 bits] */ LSDC_PF_XRGB555 = 2, /* [15 bits] */ LSDC_PF_XRGB565 = 3, /* RGB [16 bits] */ LSDC_PF_XRGB8888 = 4, /* XRGB [32 bits] */ }; /* * Each crtc has two set fb address registers usable, FB_REG_IN_USING bit of * LSDC_CRTCx_CFG_REG indicate which fb address register is in using by the * CRTC currently. CFG_PAGE_FLIP is used to trigger the switch, the switching * will be finished at the very next vblank. Trigger it again if you want to * switch back. * * If FB0_ADDR_REG is in using, we write the address to FB0_ADDR_REG, * if FB1_ADDR_REG is in using, we write the address to FB1_ADDR_REG. */ #define CFG_PAGE_FLIP BIT(7) #define CFG_OUTPUT_ENABLE BIT(8) #define CFG_HW_CLONE BIT(9) /* Indicate witch fb addr reg is in using, currently. read only */ #define FB_REG_IN_USING BIT(11) #define CFG_GAMMA_EN BIT(12) /* The DC get soft reset if this bit changed from "1" to "0", active low */ #define CFG_RESET_N BIT(20) /* If this bit is set, it say that the CRTC stop working anymore, anchored. */ #define CRTC_ANCHORED BIT(24) /* * The DMA step of the DC in LS7A2000/LS2K2000 is configurable, * setting those bits on ls7a1000 platform make no effect. */ #define CFG_DMA_STEP_MASK GENMASK(17, 16) #define CFG_DMA_STEP_SHIFT 16 enum lsdc_dma_steps { LSDC_DMA_STEP_256_BYTES = 0, LSDC_DMA_STEP_128_BYTES = 1, LSDC_DMA_STEP_64_BYTES = 2, LSDC_DMA_STEP_32_BYTES = 3, }; #define CFG_VALID_BITS_MASK GENMASK(20, 0) /* For LSDC_CRTCx_HSYNC_REG */ #define HSYNC_INV BIT(31) #define HSYNC_EN BIT(30) #define HSYNC_END_MASK GENMASK(28, 16) #define HSYNC_END_SHIFT 16 #define HSYNC_START_MASK GENMASK(12, 0) #define HSYNC_START_SHIFT 0 /* For LSDC_CRTCx_VSYNC_REG */ #define VSYNC_INV BIT(31) #define VSYNC_EN BIT(30) #define VSYNC_END_MASK GENMASK(27, 16) #define VSYNC_END_SHIFT 16 #define VSYNC_START_MASK GENMASK(11, 0) #define VSYNC_START_SHIFT 0 /*********** CRTC0 ***********/ #define LSDC_CRTC0_CFG_REG 0x1240 #define LSDC_CRTC0_FB0_ADDR_LO_REG 0x1260 #define LSDC_CRTC0_FB0_ADDR_HI_REG 0x15A0 #define LSDC_CRTC0_STRIDE_REG 0x1280 #define LSDC_CRTC0_FB_ORIGIN_REG 0x1300 #define LSDC_CRTC0_HDISPLAY_REG 0x1400 #define LSDC_CRTC0_HSYNC_REG 0x1420 #define LSDC_CRTC0_VDISPLAY_REG 0x1480 #define LSDC_CRTC0_VSYNC_REG 0x14A0 #define LSDC_CRTC0_GAMMA_INDEX_REG 0x14E0 #define LSDC_CRTC0_GAMMA_DATA_REG 0x1500 #define LSDC_CRTC0_FB1_ADDR_LO_REG 0x1580 #define LSDC_CRTC0_FB1_ADDR_HI_REG 0x15C0 /*********** CRTC1 ***********/ #define LSDC_CRTC1_CFG_REG 0x1250 #define LSDC_CRTC1_FB0_ADDR_LO_REG 0x1270 #define LSDC_CRTC1_FB0_ADDR_HI_REG 0x15B0 #define LSDC_CRTC1_STRIDE_REG 0x1290 #define LSDC_CRTC1_FB_ORIGIN_REG 0x1310 #define LSDC_CRTC1_HDISPLAY_REG 0x1410 #define LSDC_CRTC1_HSYNC_REG 0x1430 #define LSDC_CRTC1_VDISPLAY_REG 0x1490 #define LSDC_CRTC1_VSYNC_REG 0x14B0 #define LSDC_CRTC1_GAMMA_INDEX_REG 0x14F0 #define LSDC_CRTC1_GAMMA_DATA_REG 0x1510 #define LSDC_CRTC1_FB1_ADDR_LO_REG 0x1590 #define LSDC_CRTC1_FB1_ADDR_HI_REG 0x15D0 /* For LSDC_CRTCx_DVO_CONF_REG */ #define PHY_CLOCK_POL BIT(9) #define PHY_CLOCK_EN BIT(8) #define PHY_DE_POL BIT(1) #define PHY_DATA_EN BIT(0) /*********** DVO0 ***********/ #define LSDC_CRTC0_DVO_CONF_REG 0x13C0 /*********** DVO1 ***********/ #define LSDC_CRTC1_DVO_CONF_REG 0x13D0 /* * All of the DC variants has the hardware which record the scan position * of the CRTC, [31:16] : current X position, [15:0] : current Y position */ #define LSDC_CRTC0_SCAN_POS_REG 0x14C0 #define LSDC_CRTC1_SCAN_POS_REG 0x14D0 /* * LS7A2000 has Sync Deviation register. */ #define SYNC_DEVIATION_EN BIT(31) #define SYNC_DEVIATION_NUM GENMASK(12, 0) #define LSDC_CRTC0_SYNC_DEVIATION_REG 0x1B80 #define LSDC_CRTC1_SYNC_DEVIATION_REG 0x1B90 /* * In gross, LSDC_CRTC1_XXX_REG - LSDC_CRTC0_XXX_REG = 0x10, but not all of * the registers obey this rule, LSDC_CURSORx_XXX_REG just don't honor this. * This is the root cause we can't untangle the code by manpulating offset * of the register access simply. Our hardware engineers are lack experiance * when they design this... */ #define CRTC_PIPE_OFFSET 0x10 /* * There is only one hardware cursor unit in LS7A1000 and LS2K1000, let * CFG_HW_CLONE_EN bit be "1" could eliminate this embarrassment, we made * it on custom clone mode application. While LS7A2000 has two hardware * cursor unit which is good enough. */ #define CURSOR_FORMAT_MASK GENMASK(1, 0) #define CURSOR_FORMAT_SHIFT 0 enum lsdc_cursor_format { CURSOR_FORMAT_DISABLE = 0, CURSOR_FORMAT_MONOCHROME = 1, /* masked */ CURSOR_FORMAT_ARGB8888 = 2, /* A8R8G8B8 */ }; /* * LS7A1000 and LS2K1000 only support 32x32, LS2K2000 and LS7A2000 support * 64x64, but it seems that setting this bit make no harms on LS7A1000, it * just don't take effects. */ #define CURSOR_SIZE_SHIFT 2 enum lsdc_cursor_size { CURSOR_SIZE_32X32 = 0, CURSOR_SIZE_64X64 = 1, }; #define CURSOR_LOCATION_SHIFT 4 enum lsdc_cursor_location { CURSOR_ON_CRTC0 = 0, CURSOR_ON_CRTC1 = 1, }; #define LSDC_CURSOR0_CFG_REG 0x1520 #define LSDC_CURSOR0_ADDR_LO_REG 0x1530 #define LSDC_CURSOR0_ADDR_HI_REG 0x15e0 #define LSDC_CURSOR0_POSITION_REG 0x1540 /* [31:16] Y, [15:0] X */ #define LSDC_CURSOR0_BG_COLOR_REG 0x1550 /* background color */ #define LSDC_CURSOR0_FG_COLOR_REG 0x1560 /* foreground color */ #define LSDC_CURSOR1_CFG_REG 0x1670 #define LSDC_CURSOR1_ADDR_LO_REG 0x1680 #define LSDC_CURSOR1_ADDR_HI_REG 0x16e0 #define LSDC_CURSOR1_POSITION_REG 0x1690 /* [31:16] Y, [15:0] X */ #define LSDC_CURSOR1_BG_COLOR_REG 0x16A0 /* background color */ #define LSDC_CURSOR1_FG_COLOR_REG 0x16B0 /* foreground color */ /* * DC Interrupt Control Register, 32bit, Address Offset: 1570 * * Bits 15:0 inidicate the interrupt status * Bits 31:16 control enable interrupts corresponding to bit 15:0 or not * Write 1 to enable, write 0 to disable * * RF: Read Finished * IDBU: Internal Data Buffer Underflow * IDBFU: Internal Data Buffer Fatal Underflow * CBRF: Cursor Buffer Read Finished Flag, no use. * FBRF0: CRTC-0 reading from its framebuffer finished. * FBRF1: CRTC-1 reading from its framebuffer finished. * * +-------+--------------------------+-------+--------+--------+-------+ * | 31:27 | 26:16 | 15:11 | 10 | 9 | 8 | * +-------+--------------------------+-------+--------+--------+-------+ * | N/A | Interrupt Enable Control | N/A | IDBFU0 | IDBFU1 | IDBU0 | * +-------+--------------------------+-------+--------+--------+-------+ * * +-------+-------+-------+------+--------+--------+--------+--------+ * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | * +-------+-------+-------+------+--------+--------+--------+--------+ * | IDBU1 | FBRF0 | FBRF1 | CRRF | HSYNC0 | VSYNC0 | HSYNC1 | VSYNC1 | * +-------+-------+-------+------+--------+--------+--------+--------+ * * unfortunately, CRTC0's interrupt is mess with CRTC1's interrupt in one * register again. */ #define LSDC_INT_REG 0x1570 #define INT_CRTC0_VSYNC BIT(2) #define INT_CRTC0_HSYNC BIT(3) #define INT_CRTC0_RF BIT(6) #define INT_CRTC0_IDBU BIT(8) #define INT_CRTC0_IDBFU BIT(10) #define INT_CRTC1_VSYNC BIT(0) #define INT_CRTC1_HSYNC BIT(1) #define INT_CRTC1_RF BIT(5) #define INT_CRTC1_IDBU BIT(7) #define INT_CRTC1_IDBFU BIT(9) #define INT_CRTC0_VSYNC_EN BIT(18) #define INT_CRTC0_HSYNC_EN BIT(19) #define INT_CRTC0_RF_EN BIT(22) #define INT_CRTC0_IDBU_EN BIT(24) #define INT_CRTC0_IDBFU_EN BIT(26) #define INT_CRTC1_VSYNC_EN BIT(16) #define INT_CRTC1_HSYNC_EN BIT(17) #define INT_CRTC1_RF_EN BIT(21) #define INT_CRTC1_IDBU_EN BIT(23) #define INT_CRTC1_IDBFU_EN BIT(25) #define INT_STATUS_MASK GENMASK(15, 0) /* * LS7A1000/LS7A2000 have 4 gpios which are used to emulated I2C. * They are under control of the LS7A_DC_GPIO_DAT_REG and LS7A_DC_GPIO_DIR_REG * register, Those GPIOs has no relationship whth the GPIO hardware on the * bridge chip itself. Those offsets are relative to DC register base address * * LS2k1000 don't have those registers, they use hardware i2c or general GPIO * emulated i2c from linux i2c subsystem. * * GPIO data register, address offset: 0x1650 * +---------------+-----------+-----------+ * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | * +---------------+-----------+-----------+ * | | DVO1 | DVO0 | * + N/A +-----------+-----------+ * | | SCL | SDA | SCL | SDA | * +---------------+-----------+-----------+ */ #define LS7A_DC_GPIO_DAT_REG 0x1650 /* * GPIO Input/Output direction control register, address offset: 0x1660 */ #define LS7A_DC_GPIO_DIR_REG 0x1660 /* * LS7A2000 has two built-in HDMI Encoder and one VGA encoder */ /* * Number of continuous packets may be present * in HDMI hblank and vblank zone, should >= 48 */ #define LSDC_HDMI0_ZONE_REG 0x1700 #define LSDC_HDMI1_ZONE_REG 0x1710 #define HDMI_H_ZONE_IDLE_SHIFT 0 #define HDMI_V_ZONE_IDLE_SHIFT 16 /* HDMI Iterface Control Reg */ #define HDMI_INTERFACE_EN BIT(0) #define HDMI_PACKET_EN BIT(1) #define HDMI_AUDIO_EN BIT(2) /* * Preamble: * Immediately preceding each video data period or data island period is the * preamble. This is a sequence of eight identical control characters that * indicate whether the upcoming data period is a video data period or is a * data island. The values of CTL0, CTL1, CTL2, and CTL3 indicate the type of * data period that follows. */ #define HDMI_VIDEO_PREAMBLE_MASK GENMASK(7, 4) #define HDMI_VIDEO_PREAMBLE_SHIFT 4 /* 1: hw i2c, 0: gpio emu i2c, shouldn't put in LSDC_HDMIx_INTF_CTRL_REG */ #define HW_I2C_EN BIT(8) #define HDMI_CTL_PERIOD_MODE BIT(9) #define LSDC_HDMI0_INTF_CTRL_REG 0x1720 #define LSDC_HDMI1_INTF_CTRL_REG 0x1730 #define HDMI_PHY_EN BIT(0) #define HDMI_PHY_RESET_N BIT(1) #define HDMI_PHY_TERM_L_EN BIT(8) #define HDMI_PHY_TERM_H_EN BIT(9) #define HDMI_PHY_TERM_DET_EN BIT(10) #define HDMI_PHY_TERM_STATUS BIT(11) #define LSDC_HDMI0_PHY_CTRL_REG 0x1800 #define LSDC_HDMI1_PHY_CTRL_REG 0x1810 /* High level duration need > 1us */ #define HDMI_PLL_ENABLE BIT(0) #define HDMI_PLL_LOCKED BIT(16) /* Bypass the software configured values, using default source from somewhere */ #define HDMI_PLL_BYPASS BIT(17) #define HDMI_PLL_IDF_SHIFT 1 #define HDMI_PLL_IDF_MASK GENMASK(5, 1) #define HDMI_PLL_LF_SHIFT 6 #define HDMI_PLL_LF_MASK GENMASK(12, 6) #define HDMI_PLL_ODF_SHIFT 13 #define HDMI_PLL_ODF_MASK GENMASK(15, 13) #define LSDC_HDMI0_PHY_PLL_REG 0x1820 #define LSDC_HDMI1_PHY_PLL_REG 0x1830 /* LS7A2000/LS2K2000 has hpd status reg, while the two hdmi's status * located at the one register again. */ #define LSDC_HDMI_HPD_STATUS_REG 0x1BA0 #define HDMI0_HPD_FLAG BIT(0) #define HDMI1_HPD_FLAG BIT(1) #define LSDC_HDMI0_PHY_CAL_REG 0x18C0 #define LSDC_HDMI1_PHY_CAL_REG 0x18D0 /* AVI InfoFrame */ #define LSDC_HDMI0_AVI_CONTENT0 0x18E0 #define LSDC_HDMI1_AVI_CONTENT0 0x18D0 #define LSDC_HDMI0_AVI_CONTENT1 0x1900 #define LSDC_HDMI1_AVI_CONTENT1 0x1910 #define LSDC_HDMI0_AVI_CONTENT2 0x1920 #define LSDC_HDMI1_AVI_CONTENT2 0x1930 #define LSDC_HDMI0_AVI_CONTENT3 0x1940 #define LSDC_HDMI1_AVI_CONTENT3 0x1950 /* 1: enable avi infoframe packet, 0: disable avi infoframe packet */ #define AVI_PKT_ENABLE BIT(0) /* 1: send one every two frame, 0: send one each frame */ #define AVI_PKT_SEND_FREQ BIT(1) /* * 1: write 1 to flush avi reg content0 ~ content3 to the packet to be send, * The hardware will clear this bit automatically. */ #define AVI_PKT_UPDATE BIT(2) #define LSDC_HDMI0_AVI_INFO_CRTL_REG 0x1960 #define LSDC_HDMI1_AVI_INFO_CRTL_REG 0x1970 /* * LS7A2000 has the hardware which count the number of vblank generated */ #define LSDC_CRTC0_VSYNC_COUNTER_REG 0x1A00 #define LSDC_CRTC1_VSYNC_COUNTER_REG 0x1A10 /* * LS7A2000 has the audio hardware associate with the HDMI encoder. */ #define LSDC_HDMI0_AUDIO_PLL_LO_REG 0x1A20 #define LSDC_HDMI1_AUDIO_PLL_LO_REG 0x1A30 #define LSDC_HDMI0_AUDIO_PLL_HI_REG 0x1A40 #define LSDC_HDMI1_AUDIO_PLL_HI_REG 0x1A50 #endif