/*- * Copyright (c) 2015 Oleksandr Tymoshenko * All rights reserved. * * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. */ #include /* * NXP TDA19988 HDMI encoder */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "iicbus_if.h" #include "crtc_if.h" #define MKREG(page, addr) (((page) << 8) | (addr)) #define REGPAGE(reg) (((reg) >> 8) & 0xff) #define REGADDR(reg) ((reg) & 0xff) #define TDA_VERSION MKREG(0x00, 0x00) #define TDA_MAIN_CNTRL0 MKREG(0x00, 0x01) #define MAIN_CNTRL0_SR (1 << 0) #define TDA_VERSION_MSB MKREG(0x00, 0x02) #define TDA_SOFTRESET MKREG(0x00, 0x0a) #define SOFTRESET_I2C (1 << 1) #define SOFTRESET_AUDIO (1 << 0) #define TDA_DDC_CTRL MKREG(0x00, 0x0b) #define DDC_ENABLE 0 #define TDA_CCLK MKREG(0x00, 0x0c) #define CCLK_ENABLE 1 #define TDA_INT_FLAGS_2 MKREG(0x00, 0x11) #define INT_FLAGS_2_EDID_BLK_RD (1 << 1) #define TDA_VIP_CNTRL_0 MKREG(0x00, 0x20) #define TDA_VIP_CNTRL_1 MKREG(0x00, 0x21) #define TDA_VIP_CNTRL_2 MKREG(0x00, 0x22) #define TDA_VIP_CNTRL_3 MKREG(0x00, 0x23) #define VIP_CNTRL_3_SYNC_HS (2 << 4) #define VIP_CNTRL_3_V_TGL (1 << 2) #define VIP_CNTRL_3_H_TGL (1 << 1) #define TDA_VIP_CNTRL_4 MKREG(0x00, 0x24) #define VIP_CNTRL_4_BLANKIT_NDE (0 << 2) #define VIP_CNTRL_4_BLANKIT_HS_VS (1 << 2) #define VIP_CNTRL_4_BLANKIT_NHS_VS (2 << 2) #define VIP_CNTRL_4_BLANKIT_HE_VE (3 << 2) #define VIP_CNTRL_4_BLC_NONE (0 << 0) #define VIP_CNTRL_4_BLC_RGB444 (1 << 0) #define VIP_CNTRL_4_BLC_YUV444 (2 << 0) #define VIP_CNTRL_4_BLC_YUV422 (3 << 0) #define TDA_VIP_CNTRL_5 MKREG(0x00, 0x25) #define VIP_CNTRL_5_SP_CNT(n) (((n) & 3) << 1) #define TDA_MUX_VP_VIP_OUT MKREG(0x00, 0x27) #define TDA_MAT_CONTRL MKREG(0x00, 0x80) #define MAT_CONTRL_MAT_BP (1 << 2) #define TDA_VIDFORMAT MKREG(0x00, 0xa0) #define TDA_REFPIX_MSB MKREG(0x00, 0xa1) #define TDA_REFPIX_LSB MKREG(0x00, 0xa2) #define TDA_REFLINE_MSB MKREG(0x00, 0xa3) #define TDA_REFLINE_LSB MKREG(0x00, 0xa4) #define TDA_NPIX_MSB MKREG(0x00, 0xa5) #define TDA_NPIX_LSB MKREG(0x00, 0xa6) #define TDA_NLINE_MSB MKREG(0x00, 0xa7) #define TDA_NLINE_LSB MKREG(0x00, 0xa8) #define TDA_VS_LINE_STRT_1_MSB MKREG(0x00, 0xa9) #define TDA_VS_LINE_STRT_1_LSB MKREG(0x00, 0xaa) #define TDA_VS_PIX_STRT_1_MSB MKREG(0x00, 0xab) #define TDA_VS_PIX_STRT_1_LSB MKREG(0x00, 0xac) #define TDA_VS_LINE_END_1_MSB MKREG(0x00, 0xad) #define TDA_VS_LINE_END_1_LSB MKREG(0x00, 0xae) #define TDA_VS_PIX_END_1_MSB MKREG(0x00, 0xaf) #define TDA_VS_PIX_END_1_LSB MKREG(0x00, 0xb0) #define TDA_VS_LINE_STRT_2_MSB MKREG(0x00, 0xb1) #define TDA_VS_LINE_STRT_2_LSB MKREG(0x00, 0xb2) #define TDA_VS_PIX_STRT_2_MSB MKREG(0x00, 0xb3) #define TDA_VS_PIX_STRT_2_LSB MKREG(0x00, 0xb4) #define TDA_VS_LINE_END_2_MSB MKREG(0x00, 0xb5) #define TDA_VS_LINE_END_2_LSB MKREG(0x00, 0xb6) #define TDA_VS_PIX_END_2_MSB MKREG(0x00, 0xb7) #define TDA_VS_PIX_END_2_LSB MKREG(0x00, 0xb8) #define TDA_HS_PIX_START_MSB MKREG(0x00, 0xb9) #define TDA_HS_PIX_START_LSB MKREG(0x00, 0xba) #define TDA_HS_PIX_STOP_MSB MKREG(0x00, 0xbb) #define TDA_HS_PIX_STOP_LSB MKREG(0x00, 0xbc) #define TDA_VWIN_START_1_MSB MKREG(0x00, 0xbd) #define TDA_VWIN_START_1_LSB MKREG(0x00, 0xbe) #define TDA_VWIN_END_1_MSB MKREG(0x00, 0xbf) #define TDA_VWIN_END_1_LSB MKREG(0x00, 0xc0) #define TDA_VWIN_START_2_MSB MKREG(0x00, 0xc1) #define TDA_VWIN_START_2_LSB MKREG(0x00, 0xc2) #define TDA_VWIN_END_2_MSB MKREG(0x00, 0xc3) #define TDA_VWIN_END_2_LSB MKREG(0x00, 0xc4) #define TDA_DE_START_MSB MKREG(0x00, 0xc5) #define TDA_DE_START_LSB MKREG(0x00, 0xc6) #define TDA_DE_STOP_MSB MKREG(0x00, 0xc7) #define TDA_DE_STOP_LSB MKREG(0x00, 0xc8) #define TDA_TBG_CNTRL_0 MKREG(0x00, 0xca) #define TBG_CNTRL_0_SYNC_ONCE (1 << 7) #define TBG_CNTRL_0_SYNC_MTHD (1 << 6) #define TDA_TBG_CNTRL_1 MKREG(0x00, 0xcb) #define TBG_CNTRL_1_DWIN_DIS (1 << 6) #define TBG_CNTRL_1_TGL_EN (1 << 2) #define TBG_CNTRL_1_V_TGL (1 << 1) #define TBG_CNTRL_1_H_TGL (1 << 0) #define TDA_HVF_CNTRL_0 MKREG(0x00, 0xe4) #define HVF_CNTRL_0_PREFIL_NONE (0 << 2) #define HVF_CNTRL_0_INTPOL_BYPASS (0 << 0) #define TDA_HVF_CNTRL_1 MKREG(0x00, 0xe5) #define HVF_CNTRL_1_VQR(x) (((x) & 3) << 2) #define HVF_CNTRL_1_VQR_FULL HVF_CNTRL_1_VQR(0) #define TDA_ENABLE_SPACE MKREG(0x00, 0xd6) #define TDA_RPT_CNTRL MKREG(0x00, 0xf0) #define TDA_PLL_SERIAL_1 MKREG(0x02, 0x00) #define PLL_SERIAL_1_SRL_MAN_IP (1 << 6) #define TDA_PLL_SERIAL_2 MKREG(0x02, 0x01) #define PLL_SERIAL_2_SRL_PR(x) (((x) & 0xf) << 4) #define PLL_SERIAL_2_SRL_NOSC(x) (((x) & 0x3) << 0) #define TDA_PLL_SERIAL_3 MKREG(0x02, 0x02) #define PLL_SERIAL_3_SRL_PXIN_SEL (1 << 4) #define PLL_SERIAL_3_SRL_DE (1 << 2) #define PLL_SERIAL_3_SRL_CCIR (1 << 0) #define TDA_SERIALIZER MKREG(0x02, 0x03) #define TDA_BUFFER_OUT MKREG(0x02, 0x04) #define TDA_PLL_SCG1 MKREG(0x02, 0x05) #define TDA_PLL_SCG2 MKREG(0x02, 0x06) #define TDA_PLL_SCGN1 MKREG(0x02, 0x07) #define TDA_PLL_SCGN2 MKREG(0x02, 0x08) #define TDA_PLL_SCGR1 MKREG(0x02, 0x09) #define TDA_PLL_SCGR2 MKREG(0x02, 0x0a) #define TDA_SEL_CLK MKREG(0x02, 0x11) #define SEL_CLK_ENA_SC_CLK (1 << 3) #define SEL_CLK_SEL_VRF_CLK(x) (((x) & 3) << 1) #define SEL_CLK_SEL_CLK1 (1 << 0) #define TDA_ANA_GENERAL MKREG(0x02, 0x12) #define TDA_EDID_DATA0 MKREG(0x09, 0x00) #define TDA_EDID_CTRL MKREG(0x09, 0xfa) #define TDA_DDC_ADDR MKREG(0x09, 0xfb) #define TDA_DDC_OFFS MKREG(0x09, 0xfc) #define TDA_DDC_SEGM_ADDR MKREG(0x09, 0xfd) #define TDA_DDC_SEGM MKREG(0x09, 0xfe) #define TDA_IF_VSP MKREG(0x10, 0x20) #define TDA_IF_AVI MKREG(0x10, 0x40) #define TDA_IF_SPD MKREG(0x10, 0x60) #define TDA_IF_AUD MKREG(0x10, 0x80) #define TDA_IF_MPS MKREG(0x10, 0xa0) #define TDA_ENC_CNTRL MKREG(0x11, 0x0d) #define ENC_CNTRL_DVI_MODE (0 << 2) #define ENC_CNTRL_HDMI_MODE (1 << 2) #define TDA_DIP_IF_FLAGS MKREG(0x11, 0x0f) #define DIP_IF_FLAGS_IF5 (1 << 5) #define DIP_IF_FLAGS_IF4 (1 << 4) #define DIP_IF_FLAGS_IF3 (1 << 3) #define DIP_IF_FLAGS_IF2 (1 << 2) /* AVI IF on page 10h */ #define DIP_IF_FLAGS_IF1 (1 << 1) #define TDA_TX3 MKREG(0x12, 0x9a) #define TDA_TX4 MKREG(0x12, 0x9b) #define TX4_PD_RAM (1 << 1) #define TDA_HDCP_TX33 MKREG(0x12, 0xb8) #define HDCP_TX33_HDMI (1 << 1) #define TDA_CURPAGE_ADDR 0xff #define TDA_CEC_ENAMODS 0xff #define ENAMODS_RXSENS (1 << 2) #define ENAMODS_HDMI (1 << 1) #define TDA_CEC_FRO_IM_CLK_CTRL 0xfb #define CEC_FRO_IM_CLK_CTRL_GHOST_DIS (1 << 7) #define CEC_FRO_IM_CLK_CTRL_IMCLK_SEL (1 << 1) /* EDID reading */ #define EDID_LENGTH 0x80 #define MAX_READ_ATTEMPTS 100 /* EDID fields */ #define EDID_MODES0 35 #define EDID_MODES1 36 #define EDID_TIMING_START 38 #define EDID_TIMING_END 54 #define EDID_TIMING_X(v) (((v) + 31) * 8) #define EDID_FREQ(v) (((v) & 0x3f) + 60) #define EDID_RATIO(v) (((v) >> 6) & 0x3) #define EDID_RATIO_10x16 0 #define EDID_RATIO_3x4 1 #define EDID_RATIO_4x5 2 #define EDID_RATIO_9x16 3 #define TDA19988 0x0301 struct tda19988_softc { device_t sc_dev; uint32_t sc_addr; uint32_t sc_cec_addr; uint16_t sc_version; int sc_current_page; uint8_t *sc_edid; uint32_t sc_edid_len; }; static int tda19988_set_page(struct tda19988_softc *sc, uint8_t page) { uint8_t addr = TDA_CURPAGE_ADDR; uint8_t cmd[2]; int result; struct iic_msg msg[] = { { sc->sc_addr, IIC_M_WR, 2, cmd }, }; cmd[0] = addr; cmd[1] = page; result = (iicbus_transfer(sc->sc_dev, msg, 1)); if (result) printf("tda19988_set_page failed: %d\n", result); else sc->sc_current_page = page; return (result); } static int tda19988_cec_read(struct tda19988_softc *sc, uint8_t addr, uint8_t *data) { int result; struct iic_msg msg[] = { { sc->sc_cec_addr, IIC_M_WR, 1, &addr }, { sc->sc_cec_addr, IIC_M_RD, 1, data }, }; result = iicbus_transfer(sc->sc_dev, msg, 2); if (result) printf("tda19988_cec_read failed: %d\n", result); return (result); } static int tda19988_cec_write(struct tda19988_softc *sc, uint8_t address, uint8_t data) { uint8_t cmd[2]; int result; struct iic_msg msg[] = { { sc->sc_cec_addr, IIC_M_WR, 2, cmd }, }; cmd[0] = address; cmd[1] = data; result = iicbus_transfer(sc->sc_dev, msg, 1); if (result) printf("tda19988_cec_write failed: %d\n", result); return (result); } static int tda19988_block_read(struct tda19988_softc *sc, uint16_t addr, uint8_t *data, int len) { uint8_t reg; int result; struct iic_msg msg[] = { { sc->sc_addr, IIC_M_WR, 1, ® }, { sc->sc_addr, IIC_M_RD, len, data }, }; reg = REGADDR(addr); if (sc->sc_current_page != REGPAGE(addr)) tda19988_set_page(sc, REGPAGE(addr)); result = (iicbus_transfer(sc->sc_dev, msg, 2)); if (result) device_printf(sc->sc_dev, "tda19988_block_read failed: %d\n", result); return (result); } static int tda19988_reg_read(struct tda19988_softc *sc, uint16_t addr, uint8_t *data) { uint8_t reg; int result; struct iic_msg msg[] = { { sc->sc_addr, IIC_M_WR, 1, ® }, { sc->sc_addr, IIC_M_RD, 1, data }, }; reg = REGADDR(addr); if (sc->sc_current_page != REGPAGE(addr)) tda19988_set_page(sc, REGPAGE(addr)); result = (iicbus_transfer(sc->sc_dev, msg, 2)); if (result) device_printf(sc->sc_dev, "tda19988_reg_read failed: %d\n", result); return (result); } static int tda19988_reg_write(struct tda19988_softc *sc, uint16_t address, uint8_t data) { uint8_t cmd[2]; int result; struct iic_msg msg[] = { { sc->sc_addr, IIC_M_WR, 2, cmd }, }; cmd[0] = REGADDR(address); cmd[1] = data; if (sc->sc_current_page != REGPAGE(address)) tda19988_set_page(sc, REGPAGE(address)); result = iicbus_transfer(sc->sc_dev, msg, 1); if (result) device_printf(sc->sc_dev, "tda19988_reg_write failed: %d\n", result); return (result); } static int tda19988_reg_write2(struct tda19988_softc *sc, uint16_t address, uint16_t data) { uint8_t cmd[3]; int result; struct iic_msg msg[] = { { sc->sc_addr, IIC_M_WR, 3, cmd }, }; cmd[0] = REGADDR(address); cmd[1] = (data >> 8); cmd[2] = (data & 0xff); if (sc->sc_current_page != REGPAGE(address)) tda19988_set_page(sc, REGPAGE(address)); result = iicbus_transfer(sc->sc_dev, msg, 1); if (result) device_printf(sc->sc_dev, "tda19988_reg_write2 failed: %d\n", result); return (result); } static void tda19988_reg_set(struct tda19988_softc *sc, uint16_t addr, uint8_t flags) { uint8_t data; tda19988_reg_read(sc, addr, &data); data |= flags; tda19988_reg_write(sc, addr, data); } static void tda19988_reg_clear(struct tda19988_softc *sc, uint16_t addr, uint8_t flags) { uint8_t data; tda19988_reg_read(sc, addr, &data); data &= ~flags; tda19988_reg_write(sc, addr, data); } static int tda19988_probe(device_t dev) { if (!ofw_bus_is_compatible(dev, "nxp,tda998x")) return (ENXIO); return (BUS_PROBE_DEFAULT); } static void tda19988_init_encoder(struct tda19988_softc *sc, const struct videomode *mode) { uint16_t ref_pix, ref_line, n_pix, n_line; uint16_t hs_pix_start, hs_pix_stop; uint16_t vs1_pix_start, vs1_pix_stop; uint16_t vs1_line_start, vs1_line_end; uint16_t vs2_pix_start, vs2_pix_stop; uint16_t vs2_line_start, vs2_line_end; uint16_t vwin1_line_start, vwin1_line_end; uint16_t vwin2_line_start, vwin2_line_end; uint16_t de_start, de_stop; uint8_t reg, div; n_pix = mode->htotal; n_line = mode->vtotal; hs_pix_stop = mode->hsync_end - mode->hdisplay; hs_pix_start = mode->hsync_start - mode->hdisplay; de_stop = mode->htotal; de_start = mode->htotal - mode->hdisplay; ref_pix = hs_pix_start + 3; if (mode->flags & VID_HSKEW) ref_pix += mode->hskew; if ((mode->flags & VID_INTERLACE) == 0) { ref_line = 1 + mode->vsync_start - mode->vdisplay; vwin1_line_start = mode->vtotal - mode->vdisplay - 1; vwin1_line_end = vwin1_line_start + mode->vdisplay; vs1_pix_start = vs1_pix_stop = hs_pix_start; vs1_line_start = mode->vsync_start - mode->vdisplay; vs1_line_end = vs1_line_start + mode->vsync_end - mode->vsync_start; vwin2_line_start = vwin2_line_end = 0; vs2_pix_start = vs2_pix_stop = 0; vs2_line_start = vs2_line_end = 0; } else { ref_line = 1 + (mode->vsync_start - mode->vdisplay)/2; vwin1_line_start = (mode->vtotal - mode->vdisplay)/2; vwin1_line_end = vwin1_line_start + mode->vdisplay/2; vs1_pix_start = vs1_pix_stop = hs_pix_start; vs1_line_start = (mode->vsync_start - mode->vdisplay)/2; vs1_line_end = vs1_line_start + (mode->vsync_end - mode->vsync_start)/2; vwin2_line_start = vwin1_line_start + mode->vtotal/2; vwin2_line_end = vwin2_line_start + mode->vdisplay/2; vs2_pix_start = vs2_pix_stop = hs_pix_start + mode->htotal/2; vs2_line_start = vs1_line_start + mode->vtotal/2 ; vs2_line_end = vs2_line_start + (mode->vsync_end - mode->vsync_start)/2; } div = 148500 / mode->dot_clock; if (div != 0) { div--; if (div > 3) div = 3; } /* set HDMI HDCP mode off */ tda19988_reg_set(sc, TDA_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS); tda19988_reg_clear(sc, TDA_HDCP_TX33, HDCP_TX33_HDMI); tda19988_reg_write(sc, TDA_ENC_CNTRL, ENC_CNTRL_DVI_MODE); /* no pre-filter or interpolator */ tda19988_reg_write(sc, TDA_HVF_CNTRL_0, HVF_CNTRL_0_INTPOL_BYPASS | HVF_CNTRL_0_PREFIL_NONE); tda19988_reg_write(sc, TDA_VIP_CNTRL_5, VIP_CNTRL_5_SP_CNT(0)); tda19988_reg_write(sc, TDA_VIP_CNTRL_4, VIP_CNTRL_4_BLANKIT_NDE | VIP_CNTRL_4_BLC_NONE); tda19988_reg_clear(sc, TDA_PLL_SERIAL_3, PLL_SERIAL_3_SRL_CCIR); tda19988_reg_clear(sc, TDA_PLL_SERIAL_1, PLL_SERIAL_1_SRL_MAN_IP); tda19988_reg_clear(sc, TDA_PLL_SERIAL_3, PLL_SERIAL_3_SRL_DE); tda19988_reg_write(sc, TDA_SERIALIZER, 0); tda19988_reg_write(sc, TDA_HVF_CNTRL_1, HVF_CNTRL_1_VQR_FULL); tda19988_reg_write(sc, TDA_RPT_CNTRL, 0); tda19988_reg_write(sc, TDA_SEL_CLK, SEL_CLK_SEL_VRF_CLK(0) | SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK); tda19988_reg_write(sc, TDA_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(div) | PLL_SERIAL_2_SRL_PR(0)); tda19988_reg_set(sc, TDA_MAT_CONTRL, MAT_CONTRL_MAT_BP); tda19988_reg_write(sc, TDA_ANA_GENERAL, 0x09); tda19988_reg_clear(sc, TDA_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_MTHD); /* * Sync on rising HSYNC/VSYNC */ reg = VIP_CNTRL_3_SYNC_HS; if (mode->flags & VID_NHSYNC) reg |= VIP_CNTRL_3_H_TGL; if (mode->flags & VID_NVSYNC) reg |= VIP_CNTRL_3_V_TGL; tda19988_reg_write(sc, TDA_VIP_CNTRL_3, reg); reg = TBG_CNTRL_1_TGL_EN; if (mode->flags & VID_NHSYNC) reg |= TBG_CNTRL_1_H_TGL; if (mode->flags & VID_NVSYNC) reg |= TBG_CNTRL_1_V_TGL; tda19988_reg_write(sc, TDA_TBG_CNTRL_1, reg); /* Program timing */ tda19988_reg_write(sc, TDA_VIDFORMAT, 0x00); tda19988_reg_write2(sc, TDA_REFPIX_MSB, ref_pix); tda19988_reg_write2(sc, TDA_REFLINE_MSB, ref_line); tda19988_reg_write2(sc, TDA_NPIX_MSB, n_pix); tda19988_reg_write2(sc, TDA_NLINE_MSB, n_line); tda19988_reg_write2(sc, TDA_VS_LINE_STRT_1_MSB, vs1_line_start); tda19988_reg_write2(sc, TDA_VS_PIX_STRT_1_MSB, vs1_pix_start); tda19988_reg_write2(sc, TDA_VS_LINE_END_1_MSB, vs1_line_end); tda19988_reg_write2(sc, TDA_VS_PIX_END_1_MSB, vs1_pix_stop); tda19988_reg_write2(sc, TDA_VS_LINE_STRT_2_MSB, vs2_line_start); tda19988_reg_write2(sc, TDA_VS_PIX_STRT_2_MSB, vs2_pix_start); tda19988_reg_write2(sc, TDA_VS_LINE_END_2_MSB, vs2_line_end); tda19988_reg_write2(sc, TDA_VS_PIX_END_2_MSB, vs2_pix_stop); tda19988_reg_write2(sc, TDA_HS_PIX_START_MSB, hs_pix_start); tda19988_reg_write2(sc, TDA_HS_PIX_STOP_MSB, hs_pix_stop); tda19988_reg_write2(sc, TDA_VWIN_START_1_MSB, vwin1_line_start); tda19988_reg_write2(sc, TDA_VWIN_END_1_MSB, vwin1_line_end); tda19988_reg_write2(sc, TDA_VWIN_START_2_MSB, vwin2_line_start); tda19988_reg_write2(sc, TDA_VWIN_END_2_MSB, vwin2_line_end); tda19988_reg_write2(sc, TDA_DE_START_MSB, de_start); tda19988_reg_write2(sc, TDA_DE_STOP_MSB, de_stop); if (sc->sc_version == TDA19988) tda19988_reg_write(sc, TDA_ENABLE_SPACE, 0x00); /* must be last register set */ tda19988_reg_clear(sc, TDA_TBG_CNTRL_0, TBG_CNTRL_0_SYNC_ONCE); } static int tda19988_read_edid_block(struct tda19988_softc *sc, uint8_t *buf, int block) { int attempt, err; uint8_t data; err = 0; tda19988_reg_set(sc, TDA_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); /* Block 0 */ tda19988_reg_write(sc, TDA_DDC_ADDR, 0xa0); tda19988_reg_write(sc, TDA_DDC_OFFS, (block % 2) ? 128 : 0); tda19988_reg_write(sc, TDA_DDC_SEGM_ADDR, 0x60); tda19988_reg_write(sc, TDA_DDC_SEGM, block / 2); tda19988_reg_write(sc, TDA_EDID_CTRL, 1); tda19988_reg_write(sc, TDA_EDID_CTRL, 0); data = 0; for (attempt = 0; attempt < MAX_READ_ATTEMPTS; attempt++) { tda19988_reg_read(sc, TDA_INT_FLAGS_2, &data); if (data & INT_FLAGS_2_EDID_BLK_RD) break; pause("EDID", 1); } if (attempt == MAX_READ_ATTEMPTS) { err = -1; goto done; } if (tda19988_block_read(sc, TDA_EDID_DATA0, buf, EDID_LENGTH) != 0) { err = -1; goto done; } done: tda19988_reg_clear(sc, TDA_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); return (err); } static int tda19988_read_edid(struct tda19988_softc *sc) { int err; int blocks, i; uint8_t *buf; err = 0; if (sc->sc_version == TDA19988) tda19988_reg_clear(sc, TDA_TX4, TX4_PD_RAM); err = tda19988_read_edid_block(sc, sc->sc_edid, 0); if (err) goto done; blocks = sc->sc_edid[0x7e]; if (blocks > 0) { sc->sc_edid = realloc(sc->sc_edid, EDID_LENGTH*(blocks+1), M_DEVBUF, M_WAITOK); sc->sc_edid_len = EDID_LENGTH*(blocks+1); for (i = 0; i < blocks; i++) { /* TODO: check validity */ buf = sc->sc_edid + EDID_LENGTH*(i+1); err = tda19988_read_edid_block(sc, buf, i); if (err) goto done; } } EVENTHANDLER_INVOKE(hdmi_event, sc->sc_dev, HDMI_EVENT_CONNECTED); done: if (sc->sc_version == TDA19988) tda19988_reg_set(sc, TDA_TX4, TX4_PD_RAM); return (err); } static void tda19988_start(struct tda19988_softc *sc) { device_t dev; uint8_t data; uint16_t version; dev = sc->sc_dev; tda19988_cec_write(sc, TDA_CEC_ENAMODS, ENAMODS_RXSENS | ENAMODS_HDMI); DELAY(1000); tda19988_cec_read(sc, 0xfe, &data); /* Reset core */ tda19988_reg_set(sc, TDA_SOFTRESET, 3); DELAY(100); tda19988_reg_clear(sc, TDA_SOFTRESET, 3); DELAY(100); /* reset transmitter: */ tda19988_reg_set(sc, TDA_MAIN_CNTRL0, MAIN_CNTRL0_SR); tda19988_reg_clear(sc, TDA_MAIN_CNTRL0, MAIN_CNTRL0_SR); /* PLL registers common configuration */ tda19988_reg_write(sc, TDA_PLL_SERIAL_1, 0x00); tda19988_reg_write(sc, TDA_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(1)); tda19988_reg_write(sc, TDA_PLL_SERIAL_3, 0x00); tda19988_reg_write(sc, TDA_SERIALIZER, 0x00); tda19988_reg_write(sc, TDA_BUFFER_OUT, 0x00); tda19988_reg_write(sc, TDA_PLL_SCG1, 0x00); tda19988_reg_write(sc, TDA_SEL_CLK, SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK); tda19988_reg_write(sc, TDA_PLL_SCGN1, 0xfa); tda19988_reg_write(sc, TDA_PLL_SCGN2, 0x00); tda19988_reg_write(sc, TDA_PLL_SCGR1, 0x5b); tda19988_reg_write(sc, TDA_PLL_SCGR2, 0x00); tda19988_reg_write(sc, TDA_PLL_SCG2, 0x10); /* Write the default value MUX register */ tda19988_reg_write(sc, TDA_MUX_VP_VIP_OUT, 0x24); version = 0; tda19988_reg_read(sc, TDA_VERSION, &data); version |= data; tda19988_reg_read(sc, TDA_VERSION_MSB, &data); version |= (data << 8); /* Clear feature bits */ sc->sc_version = version & ~0x30; switch (sc->sc_version) { case TDA19988: device_printf(dev, "TDA19988\n"); break; default: device_printf(dev, "Unknown device: %04x\n", sc->sc_version); return; } tda19988_reg_write(sc, TDA_DDC_CTRL, DDC_ENABLE); tda19988_reg_write(sc, TDA_TX3, 39); tda19988_cec_write(sc, TDA_CEC_FRO_IM_CLK_CTRL, CEC_FRO_IM_CLK_CTRL_GHOST_DIS | CEC_FRO_IM_CLK_CTRL_IMCLK_SEL); if (tda19988_read_edid(sc) < 0) { device_printf(dev, "failed to read EDID\n"); return; } /* Default values for RGB 4:4:4 mapping */ tda19988_reg_write(sc, TDA_VIP_CNTRL_0, 0x23); tda19988_reg_write(sc, TDA_VIP_CNTRL_1, 0x01); tda19988_reg_write(sc, TDA_VIP_CNTRL_2, 0x45); } static int tda19988_attach(device_t dev) { struct tda19988_softc *sc; phandle_t node; sc = device_get_softc(dev); sc->sc_dev = dev; sc->sc_addr = iicbus_get_addr(dev); sc->sc_cec_addr = (0x34 << 1); /* hardcoded */ sc->sc_edid = malloc(EDID_LENGTH, M_DEVBUF, M_WAITOK | M_ZERO); sc->sc_edid_len = EDID_LENGTH; device_set_desc(dev, "NXP TDA19988 HDMI transmitter"); node = ofw_bus_get_node(dev); OF_device_register_xref(OF_xref_from_node(node), dev); tda19988_start(sc); return (0); } static int tda19988_detach(device_t dev) { /* XXX: Do not let unload drive */ return (EBUSY); } static int tda19988_get_edid(device_t dev, uint8_t **edid, uint32_t *edid_len) { struct tda19988_softc *sc; sc = device_get_softc(dev); if (sc->sc_edid) { *edid = sc->sc_edid; *edid_len = sc->sc_edid_len; } else return (ENXIO); return (0); } static int tda19988_set_videomode(device_t dev, const struct videomode *mode) { struct tda19988_softc *sc; sc = device_get_softc(dev); tda19988_init_encoder(sc, mode); return (0); } static device_method_t tda_methods[] = { DEVMETHOD(device_probe, tda19988_probe), DEVMETHOD(device_attach, tda19988_attach), DEVMETHOD(device_detach, tda19988_detach), /* CRTC methods */ DEVMETHOD(crtc_get_edid, tda19988_get_edid), DEVMETHOD(crtc_set_videomode, tda19988_set_videomode), {0, 0}, }; static driver_t tda_driver = { "tda", tda_methods, sizeof(struct tda19988_softc), }; DRIVER_MODULE(tda, iicbus, tda_driver, 0, 0); MODULE_VERSION(tda, 1); MODULE_DEPEND(tda, iicbus, 1, 1, 1);