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a10
📄
a10_ahci.c
(11.44 KB)
📄
a10_codec.c
(29.85 KB)
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a10_dmac.c
(12.17 KB)
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a10_dmac.h
(6.83 KB)
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a10_fb.c
(17.2 KB)
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a10_hdmi.c
(18.95 KB)
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a10_hdmiaudio.c
(9.97 KB)
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a10_sramc.c
(3.91 KB)
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a10_sramc.h
(1.52 KB)
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a10_timer.c
(12.38 KB)
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a13
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a20
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a31
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a31_dmac.c
(13.94 KB)
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a33
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a64
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a83t
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allwinner_pinctrl.h
(1.7 KB)
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aw_ccu.c
(5.9 KB)
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aw_cir.c
(13.36 KB)
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aw_dwc3.c
(3.97 KB)
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aw_gmacclk.c
(6.93 KB)
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aw_gpio.c
(36.07 KB)
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aw_if_dwc.c
(3.9 KB)
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aw_machdep.c
(8.02 KB)
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aw_machdep.h
(1.98 KB)
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aw_mmc.c
(39.6 KB)
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aw_mmc.h
(9.06 KB)
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aw_mp.c
(8.67 KB)
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aw_mp.h
(1.47 KB)
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aw_nmi.c
(10.26 KB)
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aw_pwm.c
(9.53 KB)
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aw_reset.c
(4.18 KB)
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aw_rsb.c
(12.05 KB)
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aw_rtc.c
(9.8 KB)
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aw_sid.c
(9.79 KB)
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aw_sid.h
(1.57 KB)
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aw_spi.c
(15.6 KB)
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aw_syscon.c
(2.85 KB)
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aw_thermal.c
(17.66 KB)
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aw_ts.c
(5.76 KB)
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aw_usb3phy.c
(7.97 KB)
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aw_usbphy.c
(13.26 KB)
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aw_wdog.c
(6.98 KB)
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aw_wdog.h
(1.47 KB)
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axp209.c
(33.15 KB)
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axp209reg.h
(7.7 KB)
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axp81x.c
(40.28 KB)
📁
clkng
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files.allwinner
(1.87 KB)
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files.allwinner_up
(49 B)
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h3
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h6
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if_awg.c
(46.56 KB)
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if_awgreg.h
(5.64 KB)
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if_emac.c
(28.38 KB)
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if_emacreg.h
(6.45 KB)
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std.allwinner
(298 B)
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std.allwinner_up
(280 B)
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sunxi_dma_if.m
(2.43 KB)
Editing: a10_hdmi.c
/*- * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * Allwinner A10/A20 HDMI TX */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/rman.h> #include <sys/condvar.h> #include <sys/eventhandler.h> #include <sys/kernel.h> #include <sys/module.h> #include <machine/bus.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <dev/videomode/videomode.h> #include <dev/videomode/edidvar.h> #include <dev/extres/clk/clk.h> #include "hdmi_if.h" #define HDMI_CTRL 0x004 #define CTRL_MODULE_EN (1 << 31) #define HDMI_INT_STATUS 0x008 #define HDMI_HPD 0x00c #define HPD_DET (1 << 0) #define HDMI_VID_CTRL 0x010 #define VID_CTRL_VIDEO_EN (1 << 31) #define VID_CTRL_HDMI_MODE (1 << 30) #define VID_CTRL_INTERLACE (1 << 4) #define VID_CTRL_REPEATER_2X (1 << 0) #define HDMI_VID_TIMING0 0x014 #define VID_ACT_V(v) (((v) - 1) << 16) #define VID_ACT_H(h) (((h) - 1) << 0) #define HDMI_VID_TIMING1 0x018 #define VID_VBP(vbp) (((vbp) - 1) << 16) #define VID_HBP(hbp) (((hbp) - 1) << 0) #define HDMI_VID_TIMING2 0x01c #define VID_VFP(vfp) (((vfp) - 1) << 16) #define VID_HFP(hfp) (((hfp) - 1) << 0) #define HDMI_VID_TIMING3 0x020 #define VID_VSPW(vspw) (((vspw) - 1) << 16) #define VID_HSPW(hspw) (((hspw) - 1) << 0) #define HDMI_VID_TIMING4 0x024 #define TX_CLOCK_NORMAL 0x03e00000 #define VID_VSYNC_ACTSEL (1 << 1) #define VID_HSYNC_ACTSEL (1 << 0) #define HDMI_AUD_CTRL 0x040 #define AUD_CTRL_EN (1 << 31) #define AUD_CTRL_RST (1 << 30) #define HDMI_ADMA_CTRL 0x044 #define HDMI_ADMA_MODE (1 << 31) #define HDMI_ADMA_MODE_DDMA (0 << 31) #define HDMI_ADMA_MODE_NDMA (1 << 31) #define HDMI_AUD_FMT 0x048 #define AUD_FMT_CH(n) ((n) - 1) #define HDMI_PCM_CTRL 0x04c #define HDMI_AUD_CTS 0x050 #define HDMI_AUD_N 0x054 #define HDMI_AUD_CH_STATUS0 0x058 #define CH_STATUS0_FS_FREQ (0xf << 24) #define CH_STATUS0_FS_FREQ_48 (2 << 24) #define HDMI_AUD_CH_STATUS1 0x05c #define CH_STATUS1_WORD_LEN (0x7 << 1) #define CH_STATUS1_WORD_LEN_16 (1 << 1) #define HDMI_AUDIO_RESET_RETRY 1000 #define HDMI_AUDIO_CHANNELS 2 #define HDMI_AUDIO_CHANNELMAP 0x76543210 #define HDMI_AUDIO_N 6144 /* 48 kHz */ #define HDMI_AUDIO_CTS(r, n) ((((r) * 10) * ((n) / 128)) / 480) #define HDMI_PADCTRL0 0x200 #define PADCTRL0_BIASEN (1 << 31) #define PADCTRL0_LDOCEN (1 << 30) #define PADCTRL0_LDODEN (1 << 29) #define PADCTRL0_PWENC (1 << 28) #define PADCTRL0_PWEND (1 << 27) #define PADCTRL0_PWENG (1 << 26) #define PADCTRL0_CKEN (1 << 25) #define PADCTRL0_SEN (1 << 24) #define PADCTRL0_TXEN (1 << 23) #define HDMI_PADCTRL1 0x204 #define PADCTRL1_AMP_OPT (1 << 23) #define PADCTRL1_AMPCK_OPT (1 << 22) #define PADCTRL1_DMP_OPT (1 << 21) #define PADCTRL1_EMP_OPT (1 << 20) #define PADCTRL1_EMPCK_OPT (1 << 19) #define PADCTRL1_PWSCK (1 << 18) #define PADCTRL1_PWSDT (1 << 17) #define PADCTRL1_REG_CSMPS (1 << 16) #define PADCTRL1_REG_DEN (1 << 15) #define PADCTRL1_REG_DENCK (1 << 14) #define PADCTRL1_REG_PLRCK (1 << 13) #define PADCTRL1_REG_EMP (0x7 << 10) #define PADCTRL1_REG_EMP_EN (0x2 << 10) #define PADCTRL1_REG_CD (0x3 << 8) #define PADCTRL1_REG_CKSS (0x3 << 6) #define PADCTRL1_REG_CKSS_1X (0x1 << 6) #define PADCTRL1_REG_CKSS_2X (0x0 << 6) #define PADCTRL1_REG_AMP (0x7 << 3) #define PADCTRL1_REG_AMP_EN (0x6 << 3) #define PADCTRL1_REG_PLR (0x7 << 0) #define HDMI_PLLCTRL0 0x208 #define PLLCTRL0_PLL_EN (1 << 31) #define PLLCTRL0_BWS (1 << 30) #define PLLCTRL0_HV_IS_33 (1 << 29) #define PLLCTRL0_LDO1_EN (1 << 28) #define PLLCTRL0_LDO2_EN (1 << 27) #define PLLCTRL0_SDIV2 (1 << 25) #define PLLCTRL0_VCO_GAIN (0x1 << 22) #define PLLCTRL0_S (0x7 << 17) #define PLLCTRL0_CP_S (0xf << 12) #define PLLCTRL0_CS (0x7 << 8) #define PLLCTRL0_PREDIV(x) ((x) << 4) #define PLLCTRL0_VCO_S (0x8 << 0) #define HDMI_PLLDBG0 0x20c #define PLLDBG0_CKIN_SEL (1 << 21) #define PLLDBG0_CKIN_SEL_PLL3 (0 << 21) #define PLLDBG0_CKIN_SEL_PLL7 (1 << 21) #define HDMI_PKTCTRL0 0x2f0 #define HDMI_PKTCTRL1 0x2f4 #define PKTCTRL_PACKET(n,t) ((t) << ((n) << 2)) #define PKT_NULL 0 #define PKT_GC 1 #define PKT_AVI 2 #define PKT_AI 3 #define PKT_SPD 5 #define PKT_END 15 #define DDC_CTRL 0x500 #define CTRL_DDC_EN (1 << 31) #define CTRL_DDC_ACMD_START (1 << 30) #define CTRL_DDC_FIFO_DIR (1 << 8) #define CTRL_DDC_FIFO_DIR_READ (0 << 8) #define CTRL_DDC_FIFO_DIR_WRITE (1 << 8) #define CTRL_DDC_SWRST (1 << 0) #define DDC_SLAVE_ADDR 0x504 #define SLAVE_ADDR_SEG_SHIFT 24 #define SLAVE_ADDR_EDDC_SHIFT 16 #define SLAVE_ADDR_OFFSET_SHIFT 8 #define SLAVE_ADDR_SHIFT 0 #define DDC_INT_STATUS 0x50c #define INT_STATUS_XFER_DONE (1 << 0) #define DDC_FIFO_CTRL 0x510 #define FIFO_CTRL_CLEAR (1 << 31) #define DDC_BYTE_COUNTER 0x51c #define DDC_COMMAND 0x520 #define COMMAND_EOREAD (4 << 0) #define DDC_CLOCK 0x528 #define DDC_CLOCK_M (1 << 3) #define DDC_CLOCK_N (5 << 0) #define DDC_FIFO 0x518 #define SWRST_DELAY 1000 #define DDC_DELAY 1000 #define DDC_RETRY 1000 #define DDC_BLKLEN 16 #define DDC_ADDR 0x50 #define EDDC_ADDR 0x60 #define EDID_LENGTH 128 #define DDC_CTRL_LINE 0x540 #define DDC_LINE_SCL_ENABLE (1 << 8) #define DDC_LINE_SDA_ENABLE (1 << 9) #define HDMI_ENABLE_DELAY 50000 #define DDC_READ_RETRY 4 #define EXT_TAG 0x00 #define CEA_TAG_ID 0x02 #define CEA_DTD 0x03 #define DTD_BASIC_AUDIO (1 << 6) #define CEA_REV 0x02 #define CEA_DATA_OFF 0x03 #define CEA_DATA_START 4 #define BLOCK_TAG(x) (((x) >> 5) & 0x7) #define BLOCK_TAG_VSDB 3 #define BLOCK_LEN(x) ((x) & 0x1f) #define HDMI_VSDB_MINLEN 5 #define HDMI_OUI "\x03\x0c\x00" #define HDMI_OUI_LEN 3 #define HDMI_DEFAULT_FREQ 297000000 struct a10hdmi_softc { struct resource *res; struct intr_config_hook mode_hook; uint8_t edid[EDID_LENGTH]; int has_hdmi; int has_audio; clk_t clk_ahb; clk_t clk_hdmi; clk_t clk_lcd; }; static struct resource_spec a10hdmi_spec[] = { { SYS_RES_MEMORY, 0, RF_ACTIVE }, { -1, 0 } }; #define HDMI_READ(sc, reg) bus_read_4((sc)->res, (reg)) #define HDMI_WRITE(sc, reg, val) bus_write_4((sc)->res, (reg), (val)) static void a10hdmi_init(struct a10hdmi_softc *sc) { /* Enable the HDMI module */ HDMI_WRITE(sc, HDMI_CTRL, CTRL_MODULE_EN); /* Configure PLL/DRV settings */ HDMI_WRITE(sc, HDMI_PADCTRL0, PADCTRL0_BIASEN | PADCTRL0_LDOCEN | PADCTRL0_LDODEN | PADCTRL0_PWENC | PADCTRL0_PWEND | PADCTRL0_PWENG | PADCTRL0_CKEN | PADCTRL0_TXEN); HDMI_WRITE(sc, HDMI_PADCTRL1, PADCTRL1_AMP_OPT | PADCTRL1_AMPCK_OPT | PADCTRL1_EMP_OPT | PADCTRL1_EMPCK_OPT | PADCTRL1_REG_DEN | PADCTRL1_REG_DENCK | PADCTRL1_REG_EMP_EN | PADCTRL1_REG_AMP_EN); /* Select PLL3 as input clock */ HDMI_WRITE(sc, HDMI_PLLDBG0, PLLDBG0_CKIN_SEL_PLL3); DELAY(HDMI_ENABLE_DELAY); } static void a10hdmi_hpd(void *arg) { struct a10hdmi_softc *sc; device_t dev; uint32_t hpd; dev = arg; sc = device_get_softc(dev); hpd = HDMI_READ(sc, HDMI_HPD); if ((hpd & HPD_DET) == HPD_DET) EVENTHANDLER_INVOKE(hdmi_event, dev, HDMI_EVENT_CONNECTED); config_intrhook_disestablish(&sc->mode_hook); } static int a10hdmi_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "allwinner,sun7i-a20-hdmi")) return (ENXIO); device_set_desc(dev, "Allwinner HDMI TX"); return (BUS_PROBE_DEFAULT); } static int a10hdmi_attach(device_t dev) { struct a10hdmi_softc *sc; int error; sc = device_get_softc(dev); if (bus_alloc_resources(dev, a10hdmi_spec, &sc->res)) { device_printf(dev, "cannot allocate resources for device\n"); return (ENXIO); } /* Setup clocks */ error = clk_get_by_ofw_name(dev, 0, "ahb", &sc->clk_ahb); if (error != 0) { device_printf(dev, "cannot find ahb clock\n"); return (error); } error = clk_get_by_ofw_name(dev, 0, "hdmi", &sc->clk_hdmi); if (error != 0) { device_printf(dev, "cannot find hdmi clock\n"); return (error); } error = clk_get_by_ofw_name(dev, 0, "lcd", &sc->clk_lcd); if (error != 0) { device_printf(dev, "cannot find lcd clock\n"); } /* Enable HDMI clock */ error = clk_enable(sc->clk_hdmi); if (error != 0) { device_printf(dev, "cannot enable hdmi clock\n"); return (error); } /* Gating AHB clock for HDMI */ error = clk_enable(sc->clk_ahb); if (error != 0) { device_printf(dev, "cannot enable ahb gate\n"); return (error); } a10hdmi_init(sc); sc->mode_hook.ich_func = a10hdmi_hpd; sc->mode_hook.ich_arg = dev; error = config_intrhook_establish(&sc->mode_hook); if (error != 0) return (error); return (0); } static int a10hdmi_ddc_xfer(struct a10hdmi_softc *sc, uint16_t addr, uint8_t seg, uint8_t off, int len) { uint32_t val; int retry; /* Set FIFO direction to read */ val = HDMI_READ(sc, DDC_CTRL); val &= ~CTRL_DDC_FIFO_DIR; val |= CTRL_DDC_FIFO_DIR_READ; HDMI_WRITE(sc, DDC_CTRL, val); /* Setup DDC slave address */ val = (addr << SLAVE_ADDR_SHIFT) | (seg << SLAVE_ADDR_SEG_SHIFT) | (EDDC_ADDR << SLAVE_ADDR_EDDC_SHIFT) | (off << SLAVE_ADDR_OFFSET_SHIFT); HDMI_WRITE(sc, DDC_SLAVE_ADDR, val); /* Clear FIFO */ val = HDMI_READ(sc, DDC_FIFO_CTRL); val |= FIFO_CTRL_CLEAR; HDMI_WRITE(sc, DDC_FIFO_CTRL, val); /* Set transfer length */ HDMI_WRITE(sc, DDC_BYTE_COUNTER, len); /* Set command to "Explicit Offset Address Read" */ HDMI_WRITE(sc, DDC_COMMAND, COMMAND_EOREAD); /* Start transfer */ val = HDMI_READ(sc, DDC_CTRL); val |= CTRL_DDC_ACMD_START; HDMI_WRITE(sc, DDC_CTRL, val); /* Wait for command to start */ retry = DDC_RETRY; while (--retry > 0) { val = HDMI_READ(sc, DDC_CTRL); if ((val & CTRL_DDC_ACMD_START) == 0) break; DELAY(DDC_DELAY); } if (retry == 0) return (ETIMEDOUT); /* Ensure that the transfer completed */ val = HDMI_READ(sc, DDC_INT_STATUS); if ((val & INT_STATUS_XFER_DONE) == 0) return (EIO); return (0); } static int a10hdmi_ddc_read(struct a10hdmi_softc *sc, int block, uint8_t *edid) { int resid, off, len, error; uint8_t *pbuf; pbuf = edid; resid = EDID_LENGTH; off = (block & 1) ? EDID_LENGTH : 0; while (resid > 0) { len = min(resid, DDC_BLKLEN); error = a10hdmi_ddc_xfer(sc, DDC_ADDR, block >> 1, off, len); if (error != 0) return (error); bus_read_multi_1(sc->res, DDC_FIFO, pbuf, len); pbuf += len; off += len; resid -= len; } return (0); } static int a10hdmi_detect_hdmi_vsdb(uint8_t *edid) { int off, p, btag, blen; if (edid[EXT_TAG] != CEA_TAG_ID) return (0); off = edid[CEA_DATA_OFF]; /* CEA data block collection starts at byte 4 */ if (off <= CEA_DATA_START) return (0); /* Parse the CEA data blocks */ for (p = CEA_DATA_START; p < off;) { btag = BLOCK_TAG(edid[p]); blen = BLOCK_LEN(edid[p]); /* Make sure the length is sane */ if (p + blen + 1 > off) break; /* Look for a VSDB with the HDMI 24-bit IEEE registration ID */ if (btag == BLOCK_TAG_VSDB && blen >= HDMI_VSDB_MINLEN && memcmp(&edid[p + 1], HDMI_OUI, HDMI_OUI_LEN) == 0) return (1); /* Next data block */ p += (1 + blen); } return (0); } static void a10hdmi_detect_hdmi(struct a10hdmi_softc *sc, int *phdmi, int *paudio) { struct edid_info ei; uint8_t edid[EDID_LENGTH]; int block; *phdmi = *paudio = 0; if (edid_parse(sc->edid, &ei) != 0) return; /* Scan through extension blocks, looking for a CEA-861 block. */ for (block = 1; block <= ei.edid_ext_block_count; block++) { if (a10hdmi_ddc_read(sc, block, edid) != 0) return; if (a10hdmi_detect_hdmi_vsdb(edid) != 0) { *phdmi = 1; *paudio = ((edid[CEA_DTD] & DTD_BASIC_AUDIO) != 0); return; } } } static int a10hdmi_get_edid(device_t dev, uint8_t **edid, uint32_t *edid_len) { struct a10hdmi_softc *sc; int error, retry; sc = device_get_softc(dev); retry = DDC_READ_RETRY; while (--retry > 0) { /* I2C software reset */ HDMI_WRITE(sc, DDC_FIFO_CTRL, 0); HDMI_WRITE(sc, DDC_CTRL, CTRL_DDC_EN | CTRL_DDC_SWRST); DELAY(SWRST_DELAY); if (HDMI_READ(sc, DDC_CTRL) & CTRL_DDC_SWRST) { device_printf(dev, "DDC software reset failed\n"); return (ENXIO); } /* Configure DDC clock */ HDMI_WRITE(sc, DDC_CLOCK, DDC_CLOCK_M | DDC_CLOCK_N); /* Enable SDA/SCL */ HDMI_WRITE(sc, DDC_CTRL_LINE, DDC_LINE_SCL_ENABLE | DDC_LINE_SDA_ENABLE); /* Read EDID block */ error = a10hdmi_ddc_read(sc, 0, sc->edid); if (error == 0) { *edid = sc->edid; *edid_len = sizeof(sc->edid); break; } } if (error == 0) a10hdmi_detect_hdmi(sc, &sc->has_hdmi, &sc->has_audio); else sc->has_hdmi = sc->has_audio = 0; return (error); } static void a10hdmi_set_audiomode(device_t dev, const struct videomode *mode) { struct a10hdmi_softc *sc; uint32_t val; int retry; sc = device_get_softc(dev); /* Disable and reset audio module and wait for reset bit to clear */ HDMI_WRITE(sc, HDMI_AUD_CTRL, AUD_CTRL_RST); for (retry = HDMI_AUDIO_RESET_RETRY; retry > 0; retry--) { val = HDMI_READ(sc, HDMI_AUD_CTRL); if ((val & AUD_CTRL_RST) == 0) break; } if (retry == 0) { device_printf(dev, "timeout waiting for audio module\n"); return; } if (!sc->has_audio) return; /* DMA and FIFO control */ HDMI_WRITE(sc, HDMI_ADMA_CTRL, HDMI_ADMA_MODE_DDMA); /* Audio format control (LPCM, S16LE, stereo) */ HDMI_WRITE(sc, HDMI_AUD_FMT, AUD_FMT_CH(HDMI_AUDIO_CHANNELS)); /* Channel mappings */ HDMI_WRITE(sc, HDMI_PCM_CTRL, HDMI_AUDIO_CHANNELMAP); /* Clocks */ HDMI_WRITE(sc, HDMI_AUD_CTS, HDMI_AUDIO_CTS(mode->dot_clock, HDMI_AUDIO_N)); HDMI_WRITE(sc, HDMI_AUD_N, HDMI_AUDIO_N); /* Set sampling frequency to 48 kHz, word length to 16-bit */ HDMI_WRITE(sc, HDMI_AUD_CH_STATUS0, CH_STATUS0_FS_FREQ_48); HDMI_WRITE(sc, HDMI_AUD_CH_STATUS1, CH_STATUS1_WORD_LEN_16); /* Enable */ HDMI_WRITE(sc, HDMI_AUD_CTRL, AUD_CTRL_EN); } static int a10hdmi_get_tcon_config(struct a10hdmi_softc *sc, int *div, int *dbl) { uint64_t lcd_fin, lcd_fout; clk_t clk_lcd_parent; const char *pname; int error; error = clk_get_parent(sc->clk_lcd, &clk_lcd_parent); if (error != 0) return (error); /* Get the LCD CH1 special clock 2 divider */ error = clk_get_freq(sc->clk_lcd, &lcd_fout); if (error != 0) return (error); error = clk_get_freq(clk_lcd_parent, &lcd_fin); if (error != 0) return (error); *div = lcd_fin / lcd_fout; /* Detect LCD CH1 special clock using a 1X or 2X source */ /* XXX */ pname = clk_get_name(clk_lcd_parent); if (strcmp(pname, "pll3") == 0 || strcmp(pname, "pll7") == 0) *dbl = 0; else *dbl = 1; return (0); } static int a10hdmi_set_videomode(device_t dev, const struct videomode *mode) { struct a10hdmi_softc *sc; int error, clk_div, clk_dbl; int dblscan, hfp, hspw, hbp, vfp, vspw, vbp; uint32_t val; sc = device_get_softc(dev); dblscan = !!(mode->flags & VID_DBLSCAN); hfp = mode->hsync_start - mode->hdisplay; hspw = mode->hsync_end - mode->hsync_start; hbp = mode->htotal - mode->hsync_start; vfp = mode->vsync_start - mode->vdisplay; vspw = mode->vsync_end - mode->vsync_start; vbp = mode->vtotal - mode->vsync_start; error = a10hdmi_get_tcon_config(sc, &clk_div, &clk_dbl); if (error != 0) { device_printf(dev, "couldn't get tcon config: %d\n", error); return (error); } /* Clear interrupt status */ HDMI_WRITE(sc, HDMI_INT_STATUS, HDMI_READ(sc, HDMI_INT_STATUS)); /* Clock setup */ val = HDMI_READ(sc, HDMI_PADCTRL1); val &= ~PADCTRL1_REG_CKSS; val |= (clk_dbl ? PADCTRL1_REG_CKSS_2X : PADCTRL1_REG_CKSS_1X); HDMI_WRITE(sc, HDMI_PADCTRL1, val); HDMI_WRITE(sc, HDMI_PLLCTRL0, PLLCTRL0_PLL_EN | PLLCTRL0_BWS | PLLCTRL0_HV_IS_33 | PLLCTRL0_LDO1_EN | PLLCTRL0_LDO2_EN | PLLCTRL0_SDIV2 | PLLCTRL0_VCO_GAIN | PLLCTRL0_S | PLLCTRL0_CP_S | PLLCTRL0_CS | PLLCTRL0_PREDIV(clk_div) | PLLCTRL0_VCO_S); /* Setup display settings */ if (bootverbose) device_printf(dev, "HDMI: %s, Audio: %s\n", sc->has_hdmi ? "yes" : "no", sc->has_audio ? "yes" : "no"); val = 0; if (sc->has_hdmi) val |= VID_CTRL_HDMI_MODE; if (mode->flags & VID_INTERLACE) val |= VID_CTRL_INTERLACE; if (mode->flags & VID_DBLSCAN) val |= VID_CTRL_REPEATER_2X; HDMI_WRITE(sc, HDMI_VID_CTRL, val); /* Setup display timings */ HDMI_WRITE(sc, HDMI_VID_TIMING0, VID_ACT_V(mode->vdisplay) | VID_ACT_H(mode->hdisplay << dblscan)); HDMI_WRITE(sc, HDMI_VID_TIMING1, VID_VBP(vbp) | VID_HBP(hbp << dblscan)); HDMI_WRITE(sc, HDMI_VID_TIMING2, VID_VFP(vfp) | VID_HFP(hfp << dblscan)); HDMI_WRITE(sc, HDMI_VID_TIMING3, VID_VSPW(vspw) | VID_HSPW(hspw << dblscan)); val = TX_CLOCK_NORMAL; if (mode->flags & VID_PVSYNC) val |= VID_VSYNC_ACTSEL; if (mode->flags & VID_PHSYNC) val |= VID_HSYNC_ACTSEL; HDMI_WRITE(sc, HDMI_VID_TIMING4, val); /* This is an ordered list of infoframe packets that the HDMI * transmitter will send. Transmit packets in the following order: * 1. General control packet * 2. AVI infoframe * 3. Audio infoframe * There are 2 registers with 4 slots each. The list is terminated * with the special PKT_END marker. */ HDMI_WRITE(sc, HDMI_PKTCTRL0, PKTCTRL_PACKET(0, PKT_GC) | PKTCTRL_PACKET(1, PKT_AVI) | PKTCTRL_PACKET(2, PKT_AI) | PKTCTRL_PACKET(3, PKT_END)); HDMI_WRITE(sc, HDMI_PKTCTRL1, 0); /* Setup audio */ a10hdmi_set_audiomode(dev, mode); return (0); } static int a10hdmi_enable(device_t dev, int onoff) { struct a10hdmi_softc *sc; uint32_t val; sc = device_get_softc(dev); /* Enable or disable video output */ val = HDMI_READ(sc, HDMI_VID_CTRL); if (onoff) val |= VID_CTRL_VIDEO_EN; else val &= ~VID_CTRL_VIDEO_EN; HDMI_WRITE(sc, HDMI_VID_CTRL, val); return (0); } static device_method_t a10hdmi_methods[] = { /* Device interface */ DEVMETHOD(device_probe, a10hdmi_probe), DEVMETHOD(device_attach, a10hdmi_attach), /* HDMI interface */ DEVMETHOD(hdmi_get_edid, a10hdmi_get_edid), DEVMETHOD(hdmi_set_videomode, a10hdmi_set_videomode), DEVMETHOD(hdmi_enable, a10hdmi_enable), DEVMETHOD_END }; static driver_t a10hdmi_driver = { "a10hdmi", a10hdmi_methods, sizeof(struct a10hdmi_softc), }; static devclass_t a10hdmi_devclass; DRIVER_MODULE(a10hdmi, simplebus, a10hdmi_driver, a10hdmi_devclass, 0, 0); MODULE_VERSION(a10hdmi, 1);
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