Changeset a333b7f in mainline for uspace/drv/audio/hdaudio/hdaudio.c

Timestamp:

2014-08-25T09:28:39Z (11 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

932e2f5

Parents:

1412a184

Message:

Interrupt handling - RIRB interrupts.

File:

• uspace/drv/audio/hdaudio/hdaudio.c (modified) (8 diffs)

uspace/drv/audio/hdaudio/hdaudio.c

@@ -34 +34 @@
 
 #include <assert.h>
+#include <bitops.h>
 #include <ddi.h>
 #include <device/hw_res_parsed.h>
@@ -40 +41 @@
 #include <str_error.h>
 #include <ddf/driver.h>
+#include <ddf/interrupt.h>
 #include <ddf/log.h>
 
@@ -53 +55 @@
 static int hda_fun_online(ddf_fun_t *fun);
 static int hda_fun_offline(ddf_fun_t *fun);
+
+static void hdaudio_interrupt(ddf_dev_t *, ipc_callid_t, ipc_call_t *);
 
 static driver_ops_t driver_ops = {
@@ -67 +71 @@
 };
 
+irq_pio_range_t hdaudio_irq_pio_ranges[] = {
+        {
+                .base = 0,
+                .size = 8192
+        }
+};
+
+irq_cmd_t hdaudio_irq_commands[] = {
+        {
+                .cmd = CMD_PIO_READ_8,
+                .addr = NULL,
+                .dstarg = 2
+        },
+        {
+                .cmd = CMD_AND,
+                .value = BIT_V(uint8_t, rirbsts_intfl),
+                .srcarg = 2,
+                .dstarg = 3
+        },
+        {
+                .cmd = CMD_PREDICATE,
+                .value = 2,
+                .srcarg = 3
+        },
+        {
+                .cmd = CMD_PIO_WRITE_8,
+                .addr = NULL,
+                .value = BIT_V(uint8_t, rirbsts_intfl),
+        },
+        {
+                .cmd = CMD_ACCEPT
+        }
+};
+
+irq_code_t hdaudio_irq_code = {
+        .rangecount = sizeof(hdaudio_irq_pio_ranges) / sizeof(irq_pio_range_t),
+        .ranges = hdaudio_irq_pio_ranges,
+        .cmdcount = sizeof(hdaudio_irq_commands) / sizeof(irq_cmd_t),
+        .cmds = hdaudio_irq_commands
+};
+
 static int hda_dev_add(ddf_dev_t *dev)
 {
@@ -110 +155 @@
         hda->rwsize = RNGSZ(res.mem_ranges.ranges[0]);
 
+        ddf_msg(LVL_NOTE, "hda reg base: %" PRIx64,
+             RNGABS(res.mem_ranges.ranges[0]));
+
         if (hda->rwsize < sizeof(hda_regs_t)) {
                 ddf_msg(LVL_ERROR, "Memory range is too small.");
@@ -124 +172 @@
 
         hda->regs = (hda_regs_t *)regs;
+
+        ddf_msg(LVL_NOTE, "IRQs: %d", res.irqs.count);
+        if (res.irqs.count != 1) {
+                ddf_msg(LVL_ERROR, "Unexpected IRQ count %d (!= 1)",
+                    res.irqs.count);
+                goto error;
+        }
+        ddf_msg(LVL_NOTE, "interrupt no: %d", res.irqs.irqs[0]);
+
+        hda_regs_t *rphys = (hda_regs_t *)(uintptr_t)hda->rwbase;
+        hdaudio_irq_pio_ranges[0].base = (uintptr_t)hda->rwbase;
+        hdaudio_irq_commands[0].addr = (void *)&rphys->rirbsts;
+        hdaudio_irq_commands[3].addr = (void *)&rphys->rirbsts;
+        ddf_msg(LVL_NOTE, "range0.base=%x", hdaudio_irq_pio_ranges[0].base);
+        ddf_msg(LVL_NOTE, "cmd0.addr=%p", hdaudio_irq_commands[0].addr);
+        ddf_msg(LVL_NOTE, "cmd3.addr=%p", hdaudio_irq_commands[3].addr);
+
+        rc = register_interrupt_handler(dev, res.irqs.irqs[0],
+            hdaudio_interrupt, &hdaudio_irq_code);
+        if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Failed registering interrupt handler. (%d)",
+                    rc);
+                goto error;
+        }
 
         if (hda_ctl_init(hda) == NULL) {
@@ -157 +229 @@
         }
 
+        ddf_msg(LVL_NOTE, "Failing hda_dev_add() -> %d", rc);
         return rc;
 }
@@ -208 +281 @@
 }
 
+static void hdaudio_interrupt(ddf_dev_t *dev, ipc_callid_t iid,
+    ipc_call_t *icall)
+{
+        hda_t *hda = (hda_t *)ddf_dev_data_get(dev);
+
+        ddf_msg(LVL_NOTE, "## interrupt ##");
+        hda_ctl_interrupt(hda->ctl);
+}
+
 int main(int argc, char *argv[])
 {