Changeset ba72f2b in mainline

Timestamp:

2011-12-10T11:02:51Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

6843a9c

Parents:

46d9d13

Message:

sb16: User parsed variant of hw_res.

File:

• uspace/drv/audio/sb16/main.c (modified) (3 diffs)

uspace/drv/audio/sb16/main.c

@@ -36 +36 @@
 #include <ddf/interrupt.h>
 #include <ddf/log.h>
-#include <device/hw_res.h>
+#include <device/hw_res_parsed.h>
 #include <devman.h>
 #include <assert.h>
@@ -165 +165 @@
 {
         assert(device);
-        assert(sb_regs);
-        assert(sb_regs_size);
-        assert(mpu_regs);
-        assert(mpu_regs_size);
-        assert(irq);
-        assert(dma8);
-        assert(dma16);
 
         async_sess_t *parent_sess =
@@ -179 +172 @@
                 return ENOMEM;
 
-        hw_resource_list_t hw_resources;
-        const int rc = hw_res_get_resource_list(parent_sess, &hw_resources);
-        if (rc != EOK) {
-                async_hangup(parent_sess);
-                return rc;
-        }
-
-        size_t i;
-        for (i = 0; i < hw_resources.count; i++) {
-                const hw_resource_t *res = &hw_resources.resources[i];
-                switch (res->type) {
-                case INTERRUPT:
-                        *irq = res->res.interrupt.irq;
-                        ddf_log_debug("Found interrupt: %d.\n", *irq);
-                        break;
-                case IO_RANGE:
-                        ddf_log_debug("Found io: %" PRIx64" %zu.\n",
-                            res->res.io_range.address, res->res.io_range.size);
-                        if (res->res.io_range.size >= sizeof(sb16_regs_t)) {
-                                *sb_regs = res->res.io_range.address;
-                                *sb_regs_size = res->res.io_range.size;
-                        } else {
-                                *mpu_regs = res->res.io_range.address;
-                                *mpu_regs_size = res->res.io_range.size;
+        hw_res_list_parsed_t hw_res;
+        hw_res_list_parsed_init(&hw_res);
+        const int ret = hw_res_get_list_parsed(parent_sess, &hw_res, 0);
+        async_hangup(parent_sess);
+        if (ret != EOK) {
+                return ret;
+        }
+
+        /* 1x IRQ, 1-2x DMA(8,16), 1-2x IO (MPU is separate). */
+        if (hw_res.irqs.count != 1 ||
+           (hw_res.io_ranges.count != 1 && hw_res.io_ranges.count != 2) ||
+           (hw_res.dma_channels.count != 1 && hw_res.dma_channels.count != 2)) {
+                hw_res_list_parsed_clean(&hw_res);
+                return EINVAL;
+        }
+
+        if (irq)
+                *irq = hw_res.irqs.irqs[0];
+
+        if (dma8) {
+                if (hw_res.dma_channels.channels[0] < 4) {
+                        *dma8 = hw_res.dma_channels.channels[0];
+                } else {
+                        if (hw_res.dma_channels.count == 2 &&
+                            hw_res.dma_channels.channels[1] < 4) {
+                                *dma8 = hw_res.dma_channels.channels[1];
                         }
-                        break;
-                case DMA_CHANNEL_16:
-                        *dma16 = res->res.dma_channel.dma16;
-                        ddf_log_debug("Found DMA16 channel: %d.\n", *dma16);
-                        break;
-                case DMA_CHANNEL_8:
-                        *dma8 = res->res.dma_channel.dma8;
-                        ddf_log_debug("Found DMA8 channel: %d.\n", *dma8);
-                default:
-                        break;
                 }
         }
 
-        async_hangup(parent_sess);
-        free(hw_resources.resources);
+        if (dma16) {
+                if (hw_res.dma_channels.channels[0] > 4) {
+                        *dma16 = hw_res.dma_channels.channels[0];
+                } else {
+                        if (hw_res.dma_channels.count == 2 &&
+                            hw_res.dma_channels.channels[1] > 4) {
+                                *dma16 = hw_res.dma_channels.channels[1];
+                        }
+                }
+        }
+
+
+        if (hw_res.io_ranges.count == 1) {
+                if (sb_regs)
+                        *sb_regs = hw_res.io_ranges.ranges[0].address;
+                if (sb_regs_size)
+                        *sb_regs_size = hw_res.io_ranges.ranges[0].size;
+        } else {
+                const int sb =
+                    (hw_res.io_ranges.ranges[0].size >= sizeof(sb16_regs_t))
+                        ? 1 : 0;
+                const int mpu = 1 - sb;
+                if (sb_regs)
+                        *sb_regs = hw_res.io_ranges.ranges[sb].address;
+                if (sb_regs_size)
+                        *sb_regs_size = hw_res.io_ranges.ranges[sb].size;
+                if (mpu_regs)
+                        *sb_regs = hw_res.io_ranges.ranges[mpu].address;
+                if (mpu_regs_size)
+                        *sb_regs_size = hw_res.io_ranges.ranges[mpu].size;
+        }
+
         return EOK;
 }