| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * Copyright (c) 2011 Vojtech Horky
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 | /** @addtogroup drvaudiosb16
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * Main routines of Creative Labs SoundBlaster 16 driver
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| 34 | */
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| 35 | #include <ddf/driver.h>
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| 36 | #include <ddf/interrupt.h>
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| 37 | #include <ddf/log.h>
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| 38 | #include <device/hw_res_parsed.h>
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| 39 | #include <devman.h>
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| 40 | #include <assert.h>
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| 41 | #include <stdio.h>
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| 42 | #include <errno.h>
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| 43 | #include <str_error.h>
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| 44 |
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| 45 | #include "ddf_log.h"
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| 46 | #include "sb16.h"
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| 47 |
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| 48 | #define NAME "sb16"
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| 49 |
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| 50 | static int sb_add_device(ddf_dev_t *device);
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| 51 | static int sb_get_res(const ddf_dev_t *device, uintptr_t *sb_regs,
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| 52 | size_t *sb_regs_size, uintptr_t *mpu_regs, size_t *mpu_regs_size,
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| 53 | int *irq, int *dma8, int *dma16);
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| 54 | static int sb_enable_interrupts(ddf_dev_t *device);
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| 55 | /*----------------------------------------------------------------------------*/
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| 56 | static driver_ops_t sb_driver_ops = {
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| 57 | .dev_add = sb_add_device,
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| 58 | };
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| 59 | /*----------------------------------------------------------------------------*/
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| 60 | static driver_t sb_driver = {
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| 61 | .name = NAME,
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| 62 | .driver_ops = &sb_driver_ops
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| 63 | };
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| 64 | //static ddf_dev_ops_t sb_ops = {};
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| 65 | /*----------------------------------------------------------------------------*/
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| 66 | /** Initializes global driver structures (NONE).
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| 67 | *
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| 68 | * @param[in] argc Nmber of arguments in argv vector (ignored).
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| 69 | * @param[in] argv Cmdline argument vector (ignored).
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| 70 | * @return Error code.
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| 71 | *
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| 72 | * Driver debug level is set here.
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| 73 | */
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| 74 | int main(int argc, char *argv[])
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| 75 | {
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| 76 | printf(NAME": HelenOS SB16 audio driver.\n");
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| 77 | ddf_log_init(NAME, LVL_DEBUG2);
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| 78 | return ddf_driver_main(&sb_driver);
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| 79 | }
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| 80 |
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| 81 | static void irq_handler(ddf_dev_t *dev, ipc_callid_t iid, ipc_call_t *call)
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| 82 | {
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| 83 | assert(dev);
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| 84 | assert(dev->driver_data);
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| 85 | sb16_interrupt(dev->driver_data);
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| 86 | }
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| 87 |
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| 88 | /** Initializes a new ddf driver instance of SB16.
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| 89 | *
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| 90 | * @param[in] device DDF instance of the device to initialize.
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| 91 | * @return Error code.
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| 92 | */
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| 93 | static int sb_add_device(ddf_dev_t *device)
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| 94 | {
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| 95 | #define CHECK_RET_RETURN(ret, msg...) \
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| 96 | if (ret != EOK) { \
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| 97 | ddf_log_error(msg); \
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| 98 | return ret; \
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| 99 | } else (void)0
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| 100 |
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| 101 | assert(device);
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| 102 |
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| 103 | sb16_t *soft_state = ddf_dev_data_alloc(device, sizeof(sb16_t));
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| 104 | int ret = soft_state ? EOK : ENOMEM;
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| 105 | CHECK_RET_RETURN(ret, "Failed to allocate sb16 structure.");
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| 106 |
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| 107 | uintptr_t sb_regs = 0, mpu_regs = 0;
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| 108 | size_t sb_regs_size = 0, mpu_regs_size = 0;
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| 109 | int irq = 0, dma8 = 0, dma16 = 0;
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| 110 |
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| 111 | ret = sb_get_res(device, &sb_regs, &sb_regs_size, &mpu_regs,
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| 112 | &mpu_regs_size, &irq, &dma8, &dma16);
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| 113 | CHECK_RET_RETURN(ret, "Failed to get resources: %s.", str_error(ret));
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| 114 |
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| 115 | const size_t irq_cmd_count = sb16_irq_code_size();
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| 116 | irq_cmd_t irq_cmds[irq_cmd_count];
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| 117 | irq_pio_range_t irq_ranges[1];
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| 118 | sb16_irq_code((void*)sb_regs, dma8, dma16, irq_cmds, irq_ranges);
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| 119 |
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| 120 | irq_code_t irq_code = {
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| 121 | .cmdcount = irq_cmd_count,
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| 122 | .cmds = irq_cmds,
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| 123 | .rangecount = 1,
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| 124 | .ranges = irq_ranges
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| 125 | };
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| 126 |
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| 127 | ret = register_interrupt_handler(device, irq, irq_handler, &irq_code);
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| 128 | CHECK_RET_RETURN(ret,
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| 129 | "Failed to register irq handler: %s.", str_error(ret));
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| 130 |
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| 131 | #define CHECK_RET_UNREG_DEST_RETURN(ret, msg...) \
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| 132 | if (ret != EOK) { \
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| 133 | ddf_log_error(msg); \
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| 134 | unregister_interrupt_handler(device, irq); \
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| 135 | return ret; \
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| 136 | } else (void)0
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| 137 |
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| 138 | ret = sb_enable_interrupts(device);
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| 139 | CHECK_RET_UNREG_DEST_RETURN(ret, "Failed to enable interrupts: %s.",
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| 140 | str_error(ret));
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| 141 |
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| 142 | ret = sb16_init_sb16(
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| 143 | soft_state, (void*)sb_regs, sb_regs_size, device, dma8, dma16);
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| 144 | CHECK_RET_UNREG_DEST_RETURN(ret,
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| 145 | "Failed to init sb16 driver: %s.", str_error(ret));
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| 146 |
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| 147 | ret = sb16_init_mpu(soft_state, (void*)mpu_regs, mpu_regs_size);
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| 148 | if (ret == EOK) {
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| 149 | ddf_fun_t *mpu_fun =
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| 150 | ddf_fun_create(device, fun_exposed, "midi");
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| 151 | if (mpu_fun) {
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| 152 | ret = ddf_fun_bind(mpu_fun);
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| 153 | if (ret != EOK)
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| 154 | ddf_log_error(
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| 155 | "Failed to bind midi function: %s.",
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| 156 | str_error(ret));
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| 157 | } else {
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| 158 | ddf_log_error("Failed to create midi function.");
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| 159 | }
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| 160 | } else {
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| 161 | ddf_log_warning("Failed to init mpu driver: %s.", str_error(ret));
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| 162 | }
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| 163 |
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| 164 | /* MPU state does not matter */
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| 165 | return EOK;
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| 166 | }
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| 167 |
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| 168 | static int sb_get_res(const ddf_dev_t *device, uintptr_t *sb_regs,
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| 169 | size_t *sb_regs_size, uintptr_t *mpu_regs, size_t *mpu_regs_size,
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| 170 | int *irq, int *dma8, int *dma16)
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| 171 | {
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| 172 | assert(device);
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| 173 |
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| 174 | async_sess_t *parent_sess =
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| 175 | devman_parent_device_connect(EXCHANGE_SERIALIZE, device->handle,
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| 176 | IPC_FLAG_BLOCKING);
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| 177 | if (!parent_sess)
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| 178 | return ENOMEM;
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| 179 |
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| 180 | hw_res_list_parsed_t hw_res;
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| 181 | hw_res_list_parsed_init(&hw_res);
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| 182 | const int ret = hw_res_get_list_parsed(parent_sess, &hw_res, 0);
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| 183 | async_hangup(parent_sess);
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| 184 | if (ret != EOK) {
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| 185 | return ret;
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| 186 | }
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| 187 |
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| 188 | /* 1x IRQ, 1-2x DMA(8,16), 1-2x IO (MPU is separate). */
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| 189 | if (hw_res.irqs.count != 1 ||
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| 190 | (hw_res.io_ranges.count != 1 && hw_res.io_ranges.count != 2) ||
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| 191 | (hw_res.dma_channels.count != 1 && hw_res.dma_channels.count != 2)) {
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| 192 | hw_res_list_parsed_clean(&hw_res);
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| 193 | return EINVAL;
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| 194 | }
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| 195 |
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| 196 | if (irq)
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| 197 | *irq = hw_res.irqs.irqs[0];
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| 198 |
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| 199 | if (dma8) {
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| 200 | if (hw_res.dma_channels.channels[0] < 4) {
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| 201 | *dma8 = hw_res.dma_channels.channels[0];
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| 202 | } else {
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| 203 | if (hw_res.dma_channels.count == 2 &&
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| 204 | hw_res.dma_channels.channels[1] < 4) {
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| 205 | *dma8 = hw_res.dma_channels.channels[1];
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| 206 | }
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| 207 | }
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| 208 | }
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| 209 |
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| 210 | if (dma16) {
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| 211 | if (hw_res.dma_channels.channels[0] > 4) {
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| 212 | *dma16 = hw_res.dma_channels.channels[0];
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| 213 | } else {
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| 214 | if (hw_res.dma_channels.count == 2 &&
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| 215 | hw_res.dma_channels.channels[1] > 4) {
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| 216 | *dma16 = hw_res.dma_channels.channels[1];
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| 217 | }
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| 218 | }
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| 219 | }
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| 220 |
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| 221 |
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| 222 | if (hw_res.io_ranges.count == 1) {
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| 223 | if (sb_regs)
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| 224 | *sb_regs = hw_res.io_ranges.ranges[0].address;
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| 225 | if (sb_regs_size)
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| 226 | *sb_regs_size = hw_res.io_ranges.ranges[0].size;
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| 227 | } else {
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| 228 | const int sb =
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| 229 | (hw_res.io_ranges.ranges[0].size >= sizeof(sb16_regs_t))
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| 230 | ? 1 : 0;
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| 231 | const int mpu = 1 - sb;
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| 232 | if (sb_regs)
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| 233 | *sb_regs = hw_res.io_ranges.ranges[sb].address;
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| 234 | if (sb_regs_size)
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| 235 | *sb_regs_size = hw_res.io_ranges.ranges[sb].size;
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| 236 | if (mpu_regs)
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| 237 | *sb_regs = hw_res.io_ranges.ranges[mpu].address;
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| 238 | if (mpu_regs_size)
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| 239 | *sb_regs_size = hw_res.io_ranges.ranges[mpu].size;
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| 240 | }
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| 241 |
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| 242 | return EOK;
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| 243 | }
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| 244 |
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| 245 | int sb_enable_interrupts(ddf_dev_t *device)
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| 246 | {
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| 247 | async_sess_t *parent_sess =
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| 248 | devman_parent_device_connect(EXCHANGE_SERIALIZE, device->handle,
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| 249 | IPC_FLAG_BLOCKING);
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| 250 | if (!parent_sess)
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| 251 | return ENOMEM;
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| 252 |
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| 253 | bool enabled = hw_res_enable_interrupt(parent_sess);
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| 254 | async_hangup(parent_sess);
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| 255 |
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| 256 | return enabled ? EOK : EIO;
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| 257 | }
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| 258 | /**
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| 259 | * @}
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| 260 | */
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