tegra_hdaudio.c revision 1.1.2.4
1 1.1.2.4 skrll /* $NetBSD: tegra_hdaudio.c,v 1.1.2.4 2015/09/22 12:05:38 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /*- 4 1.1.2.2 skrll * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1.2.2 skrll * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1.2.2 skrll * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1.2.2 skrll * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 skrll * SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll #include "locators.h" 30 1.1.2.2 skrll 31 1.1.2.2 skrll #include <sys/cdefs.h> 32 1.1.2.4 skrll __KERNEL_RCSID(0, "$NetBSD: tegra_hdaudio.c,v 1.1.2.4 2015/09/22 12:05:38 skrll Exp $"); 33 1.1.2.2 skrll 34 1.1.2.2 skrll #include <sys/param.h> 35 1.1.2.2 skrll #include <sys/bus.h> 36 1.1.2.2 skrll #include <sys/device.h> 37 1.1.2.2 skrll #include <sys/intr.h> 38 1.1.2.2 skrll #include <sys/systm.h> 39 1.1.2.2 skrll #include <sys/kernel.h> 40 1.1.2.2 skrll 41 1.1.2.2 skrll #include <dev/hdaudio/hdaudioreg.h> 42 1.1.2.2 skrll #include <dev/hdaudio/hdaudiovar.h> 43 1.1.2.2 skrll 44 1.1.2.2 skrll #include <arm/nvidia/tegra_var.h> 45 1.1.2.3 skrll #include <arm/nvidia/tegra_pmcreg.h> 46 1.1.2.3 skrll #include <arm/nvidia/tegra_hdaudioreg.h> 47 1.1.2.3 skrll 48 1.1.2.3 skrll #define TEGRA_HDAUDIO_OFFSET 0x8000 49 1.1.2.3 skrll 50 1.1.2.3 skrll #define TEGRA_HDA_IFPS_BAR0_REG 0x0080 51 1.1.2.3 skrll #define TEGRA_HDA_IFPS_CONFIG_REG 0x0180 52 1.1.2.3 skrll #define TEGRA_HDA_IFPS_INTR_REG 0x0188 53 1.1.2.3 skrll #define TEGRA_HDA_CFG_CMD_REG 0x1004 54 1.1.2.3 skrll #define TEGRA_HDA_CFG_BAR0_REG 0x1010 55 1.1.2.2 skrll 56 1.1.2.2 skrll static int tegra_hdaudio_match(device_t, cfdata_t, void *); 57 1.1.2.2 skrll static void tegra_hdaudio_attach(device_t, device_t, void *); 58 1.1.2.2 skrll static int tegra_hdaudio_detach(device_t, int); 59 1.1.2.2 skrll static int tegra_hdaudio_rescan(device_t, const char *, const int *); 60 1.1.2.2 skrll static void tegra_hdaudio_childdet(device_t, device_t); 61 1.1.2.2 skrll 62 1.1.2.2 skrll static int tegra_hdaudio_intr(void *); 63 1.1.2.2 skrll 64 1.1.2.2 skrll struct tegra_hdaudio_softc { 65 1.1.2.2 skrll struct hdaudio_softc sc; 66 1.1.2.3 skrll bus_space_tag_t sc_bst; 67 1.1.2.3 skrll bus_space_handle_t sc_bsh; 68 1.1.2.2 skrll void *sc_ih; 69 1.1.2.2 skrll }; 70 1.1.2.2 skrll 71 1.1.2.3 skrll static void tegra_hdaudio_init(struct tegra_hdaudio_softc *); 72 1.1.2.3 skrll 73 1.1.2.2 skrll CFATTACH_DECL2_NEW(tegra_hdaudio, sizeof(struct tegra_hdaudio_softc), 74 1.1.2.2 skrll tegra_hdaudio_match, tegra_hdaudio_attach, tegra_hdaudio_detach, NULL, 75 1.1.2.2 skrll tegra_hdaudio_rescan, tegra_hdaudio_childdet); 76 1.1.2.2 skrll 77 1.1.2.2 skrll static int 78 1.1.2.2 skrll tegra_hdaudio_match(device_t parent, cfdata_t cf, void *aux) 79 1.1.2.2 skrll { 80 1.1.2.2 skrll return 1; 81 1.1.2.2 skrll } 82 1.1.2.2 skrll 83 1.1.2.2 skrll static void 84 1.1.2.2 skrll tegra_hdaudio_attach(device_t parent, device_t self, void *aux) 85 1.1.2.2 skrll { 86 1.1.2.2 skrll struct tegra_hdaudio_softc * const sc = device_private(self); 87 1.1.2.2 skrll struct tegraio_attach_args * const tio = aux; 88 1.1.2.2 skrll const struct tegra_locators * const loc = &tio->tio_loc; 89 1.1.2.2 skrll 90 1.1.2.3 skrll sc->sc_bst = tio->tio_bst; 91 1.1.2.3 skrll bus_space_subregion(tio->tio_bst, tio->tio_bsh, 92 1.1.2.3 skrll loc->loc_offset, loc->loc_size, &sc->sc_bsh); 93 1.1.2.3 skrll 94 1.1.2.2 skrll sc->sc.sc_memt = tio->tio_bst; 95 1.1.2.2 skrll bus_space_subregion(tio->tio_bst, tio->tio_bsh, 96 1.1.2.3 skrll loc->loc_offset + TEGRA_HDAUDIO_OFFSET, 97 1.1.2.3 skrll loc->loc_size - TEGRA_HDAUDIO_OFFSET, &sc->sc.sc_memh); 98 1.1.2.2 skrll sc->sc.sc_memvalid = true; 99 1.1.2.2 skrll sc->sc.sc_dmat = tio->tio_dmat; 100 1.1.2.4 skrll sc->sc.sc_flags = HDAUDIO_FLAG_NO_STREAM_RESET; 101 1.1.2.2 skrll 102 1.1.2.2 skrll aprint_naive("\n"); 103 1.1.2.3 skrll aprint_normal(": HDA\n"); 104 1.1.2.2 skrll 105 1.1.2.2 skrll sc->sc_ih = intr_establish(loc->loc_intr, IPL_AUDIO, IST_LEVEL, 106 1.1.2.2 skrll tegra_hdaudio_intr, sc); 107 1.1.2.2 skrll if (sc->sc_ih == NULL) { 108 1.1.2.2 skrll aprint_error_dev(self, "couldn't establish interrupt %d\n", 109 1.1.2.2 skrll loc->loc_intr); 110 1.1.2.2 skrll return; 111 1.1.2.2 skrll } 112 1.1.2.2 skrll aprint_normal_dev(self, "interrupting on irq %d\n", loc->loc_intr); 113 1.1.2.2 skrll 114 1.1.2.3 skrll tegra_pmc_power(PMC_PARTID_DISB, true); 115 1.1.2.3 skrll tegra_car_periph_hda_enable(); 116 1.1.2.3 skrll tegra_hdaudio_init(sc); 117 1.1.2.3 skrll 118 1.1.2.2 skrll hdaudio_attach(self, &sc->sc); 119 1.1.2.2 skrll } 120 1.1.2.2 skrll 121 1.1.2.3 skrll static void 122 1.1.2.3 skrll tegra_hdaudio_init(struct tegra_hdaudio_softc *sc) 123 1.1.2.3 skrll { 124 1.1.2.3 skrll tegra_reg_set_clear(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_IFPS_CONFIG_REG, 125 1.1.2.3 skrll TEGRA_HDA_IFPS_CONFIG_FPCI_EN, 0); 126 1.1.2.3 skrll tegra_reg_set_clear(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_CFG_CMD_REG, 127 1.1.2.3 skrll TEGRA_HDA_CFG_CMD_ENABLE_SERR | 128 1.1.2.3 skrll TEGRA_HDA_CFG_CMD_BUS_MASTER | 129 1.1.2.3 skrll TEGRA_HDA_CFG_CMD_MEM_SPACE | 130 1.1.2.3 skrll TEGRA_HDA_CFG_CMD_IO_SPACE, 131 1.1.2.3 skrll TEGRA_HDA_CFG_CMD_DISABLE_INTR); 132 1.1.2.3 skrll bus_space_write_4(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_CFG_BAR0_REG, 133 1.1.2.3 skrll 0xffffffff); 134 1.1.2.3 skrll bus_space_write_4(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_CFG_BAR0_REG, 135 1.1.2.3 skrll 0x00004000); 136 1.1.2.3 skrll bus_space_write_4(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_IFPS_BAR0_REG, 137 1.1.2.3 skrll TEGRA_HDA_CFG_BAR0_START); 138 1.1.2.3 skrll tegra_reg_set_clear(sc->sc_bst, sc->sc_bsh, TEGRA_HDA_IFPS_INTR_REG, 139 1.1.2.3 skrll TEGRA_HDA_IFPS_INTR_EN, 0); 140 1.1.2.3 skrll } 141 1.1.2.3 skrll 142 1.1.2.2 skrll static int 143 1.1.2.2 skrll tegra_hdaudio_detach(device_t self, int flags) 144 1.1.2.2 skrll { 145 1.1.2.2 skrll struct tegra_hdaudio_softc * const sc = device_private(self); 146 1.1.2.2 skrll 147 1.1.2.2 skrll hdaudio_detach(&sc->sc, flags); 148 1.1.2.2 skrll 149 1.1.2.2 skrll if (sc->sc_ih) { 150 1.1.2.2 skrll intr_disestablish(sc->sc_ih); 151 1.1.2.2 skrll sc->sc_ih = NULL; 152 1.1.2.2 skrll } 153 1.1.2.2 skrll 154 1.1.2.2 skrll sc->sc.sc_memvalid = false; 155 1.1.2.2 skrll 156 1.1.2.2 skrll return 0; 157 1.1.2.2 skrll } 158 1.1.2.2 skrll 159 1.1.2.2 skrll static int 160 1.1.2.2 skrll tegra_hdaudio_rescan(device_t self, const char *ifattr, const int *locs) 161 1.1.2.2 skrll { 162 1.1.2.2 skrll struct tegra_hdaudio_softc * const sc = device_private(self); 163 1.1.2.2 skrll 164 1.1.2.2 skrll return hdaudio_rescan(&sc->sc, ifattr, locs); 165 1.1.2.2 skrll } 166 1.1.2.2 skrll 167 1.1.2.2 skrll static void 168 1.1.2.2 skrll tegra_hdaudio_childdet(device_t self, device_t child) 169 1.1.2.2 skrll { 170 1.1.2.2 skrll struct tegra_hdaudio_softc * const sc = device_private(self); 171 1.1.2.2 skrll 172 1.1.2.2 skrll hdaudio_childdet(&sc->sc, child); 173 1.1.2.2 skrll } 174 1.1.2.2 skrll 175 1.1.2.2 skrll static int 176 1.1.2.2 skrll tegra_hdaudio_intr(void *priv) 177 1.1.2.2 skrll { 178 1.1.2.2 skrll struct tegra_hdaudio_softc * const sc = priv; 179 1.1.2.2 skrll 180 1.1.2.2 skrll return hdaudio_intr(&sc->sc); 181 1.1.2.2 skrll } 182
Indexes created Fri Oct 31 11:10:07 GMT 2025