PNP: add debug output to encoders
Bjorn Helgaas [Mon, 28 Apr 2008 22:34:07 +0000 (16:34 -0600)]
Add debug output to encoders (enabled by CONFIG_PNP_DEBUG).  This
uses dev_printk, so I had to add pnp_dev arguments at the same time.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-By: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/pnp/isapnp/core.c
drivers/pnp/pnpacpi/core.c
drivers/pnp/pnpacpi/rsparser.c
drivers/pnp/pnpbios/core.c
drivers/pnp/pnpbios/rsparser.c

index b8e639f..6740016 100644 (file)
@@ -980,6 +980,7 @@ static int isapnp_get_resources(struct pnp_dev *dev)
 {
        int ret;
 
+       dev_dbg(&dev->dev, "get resources\n");
        pnp_init_resource_table(&dev->res);
        isapnp_cfg_begin(dev->card->number, dev->number);
        ret = isapnp_read_resources(dev);
@@ -992,15 +993,19 @@ static int isapnp_set_resources(struct pnp_dev *dev)
        struct pnp_resource_table *res = &dev->res;
        int tmp;
 
+       dev_dbg(&dev->dev, "set resources\n");
        isapnp_cfg_begin(dev->card->number, dev->number);
        dev->active = 1;
        for (tmp = 0;
             tmp < ISAPNP_MAX_PORT
             && (res->port_resource[tmp].
                 flags & (IORESOURCE_IO | IORESOURCE_UNSET)) == IORESOURCE_IO;
-            tmp++)
+            tmp++) {
+               dev_dbg(&dev->dev, "  set io  %d to %#llx\n",
+                       tmp, (unsigned long long) res->port_resource[tmp].start);
                isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1),
                                  res->port_resource[tmp].start);
+       }
        for (tmp = 0;
             tmp < ISAPNP_MAX_IRQ
             && (res->irq_resource[tmp].
@@ -1009,22 +1014,29 @@ static int isapnp_set_resources(struct pnp_dev *dev)
                int irq = res->irq_resource[tmp].start;
                if (irq == 2)
                        irq = 9;
+               dev_dbg(&dev->dev, "  set irq %d to %d\n", tmp, irq);
                isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq);
        }
        for (tmp = 0;
             tmp < ISAPNP_MAX_DMA
             && (res->dma_resource[tmp].
                 flags & (IORESOURCE_DMA | IORESOURCE_UNSET)) == IORESOURCE_DMA;
-            tmp++)
+            tmp++) {
+               dev_dbg(&dev->dev, "  set dma %d to %lld\n",
+                       tmp, (unsigned long long) res->dma_resource[tmp].start);
                isapnp_write_byte(ISAPNP_CFG_DMA + tmp,
                                  res->dma_resource[tmp].start);
+       }
        for (tmp = 0;
             tmp < ISAPNP_MAX_MEM
             && (res->mem_resource[tmp].
                 flags & (IORESOURCE_MEM | IORESOURCE_UNSET)) == IORESOURCE_MEM;
-            tmp++)
+            tmp++) {
+               dev_dbg(&dev->dev, "  set mem %d to %#llx\n",
+                       tmp, (unsigned long long) res->mem_resource[tmp].start);
                isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3),
                                  (res->mem_resource[tmp].start >> 8) & 0xffff);
+       }
        /* FIXME: We aren't handling 32bit mems properly here */
        isapnp_activate(dev->number);
        isapnp_cfg_end();
index 3fd2416..1ac894d 100644 (file)
@@ -77,6 +77,7 @@ static int pnpacpi_get_resources(struct pnp_dev *dev)
 {
        acpi_status status;
 
+       dev_dbg(&dev->dev, "get resources\n");
        status = pnpacpi_parse_allocated_resource(dev);
        return ACPI_FAILURE(status) ? -ENODEV : 0;
 }
@@ -88,6 +89,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
        int ret;
        acpi_status status;
 
+       dev_dbg(&dev->dev, "set resources\n");
        ret = pnpacpi_build_resource_template(dev, &buffer);
        if (ret)
                return ret;
index 8a06176..c5adf76 100644 (file)
@@ -408,6 +408,8 @@ acpi_status pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
 {
        acpi_handle handle = dev->data;
 
+       dev_dbg(&dev->dev, "parse allocated resources\n");
+
        /* Blank the resource table values */
        pnp_init_resource_table(&dev->res);
 
@@ -738,6 +740,8 @@ acpi_status __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
        acpi_status status;
        struct acpipnp_parse_option_s parse_data;
 
+       dev_dbg(&dev->dev, "parse resource options\n");
+
        parse_data.option = pnp_register_independent_option(dev);
        if (!parse_data.option)
                return AE_ERROR;
@@ -814,7 +818,7 @@ int pnpacpi_build_resource_template(struct pnp_dev *dev,
        buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
        if (!buffer->pointer)
                return -ENOMEM;
-       pnp_dbg("Res cnt %d", res_cnt);
+
        resource = (struct acpi_resource *)buffer->pointer;
        status = acpi_walk_resources(handle, METHOD_NAME__CRS,
                                     pnpacpi_type_resources, &resource);
@@ -829,7 +833,8 @@ int pnpacpi_build_resource_template(struct pnp_dev *dev,
        return 0;
 }
 
-static void pnpacpi_encode_irq(struct acpi_resource *resource,
+static void pnpacpi_encode_irq(struct pnp_dev *dev,
+                              struct acpi_resource *resource,
                               struct resource *p)
 {
        struct acpi_resource_irq *irq = &resource->data.irq;
@@ -844,9 +849,15 @@ static void pnpacpi_encode_irq(struct acpi_resource *resource,
                irq->sharable = ACPI_SHARED;
        irq->interrupt_count = 1;
        irq->interrupts[0] = p->start;
+
+       dev_dbg(&dev->dev, "  encode irq %d %s %s %s\n", (int) p->start,
+               triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
+               polarity == ACPI_ACTIVE_LOW ? "low" : "high",
+               irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
 }
 
-static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
+static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
+                                  struct acpi_resource *resource,
                                   struct resource *p)
 {
        struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
@@ -862,9 +873,15 @@ static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
                extended_irq->sharable = ACPI_SHARED;
        extended_irq->interrupt_count = 1;
        extended_irq->interrupts[0] = p->start;
+
+       dev_dbg(&dev->dev, "  encode irq %d %s %s %s\n", (int) p->start,
+               triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
+               polarity == ACPI_ACTIVE_LOW ? "low" : "high",
+               extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
 }
 
-static void pnpacpi_encode_dma(struct acpi_resource *resource,
+static void pnpacpi_encode_dma(struct pnp_dev *dev,
+                              struct acpi_resource *resource,
                               struct resource *p)
 {
        struct acpi_resource_dma *dma = &resource->data.dma;
@@ -898,9 +915,14 @@ static void pnpacpi_encode_dma(struct acpi_resource *resource,
        dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
        dma->channel_count = 1;
        dma->channels[0] = p->start;
+
+       dev_dbg(&dev->dev, "  encode dma %d "
+               "type %#x transfer %#x master %d\n",
+               (int) p->start, dma->type, dma->transfer, dma->bus_master);
 }
 
-static void pnpacpi_encode_io(struct acpi_resource *resource,
+static void pnpacpi_encode_io(struct pnp_dev *dev,
+                             struct acpi_resource *resource,
                              struct resource *p)
 {
        struct acpi_resource_io *io = &resource->data.io;
@@ -912,18 +934,27 @@ static void pnpacpi_encode_io(struct acpi_resource *resource,
        io->maximum = p->end;
        io->alignment = 0;      /* Correct? */
        io->address_length = p->end - p->start + 1;
+
+       dev_dbg(&dev->dev, "  encode io %#llx-%#llx decode %#x\n",
+               (unsigned long long) p->start, (unsigned long long) p->end,
+               io->io_decode);
 }
 
-static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
+static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
+                                   struct acpi_resource *resource,
                                    struct resource *p)
 {
        struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
 
        fixed_io->address = p->start;
        fixed_io->address_length = p->end - p->start + 1;
+
+       dev_dbg(&dev->dev, "  encode fixed_io %#llx-%#llx\n",
+               (unsigned long long) p->start, (unsigned long long) p->end);
 }
 
-static void pnpacpi_encode_mem24(struct acpi_resource *resource,
+static void pnpacpi_encode_mem24(struct pnp_dev *dev,
+                                struct acpi_resource *resource,
                                 struct resource *p)
 {
        struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
@@ -936,9 +967,14 @@ static void pnpacpi_encode_mem24(struct acpi_resource *resource,
        memory24->maximum = p->end;
        memory24->alignment = 0;
        memory24->address_length = p->end - p->start + 1;
+
+       dev_dbg(&dev->dev, "  encode mem24 %#llx-%#llx write_protect %#x\n",
+               (unsigned long long) p->start, (unsigned long long) p->end,
+               memory24->write_protect);
 }
 
-static void pnpacpi_encode_mem32(struct acpi_resource *resource,
+static void pnpacpi_encode_mem32(struct pnp_dev *dev,
+                                struct acpi_resource *resource,
                                 struct resource *p)
 {
        struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
@@ -950,9 +986,14 @@ static void pnpacpi_encode_mem32(struct acpi_resource *resource,
        memory32->maximum = p->end;
        memory32->alignment = 0;
        memory32->address_length = p->end - p->start + 1;
+
+       dev_dbg(&dev->dev, "  encode mem32 %#llx-%#llx write_protect %#x\n",
+               (unsigned long long) p->start, (unsigned long long) p->end,
+               memory32->write_protect);
 }
 
-static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
+static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
+                                      struct acpi_resource *resource,
                                       struct resource *p)
 {
        struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
@@ -962,6 +1003,11 @@ static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
            ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
        fixed_memory32->address = p->start;
        fixed_memory32->address_length = p->end - p->start + 1;
+
+       dev_dbg(&dev->dev, "  encode fixed_mem32 %#llx-%#llx "
+               "write_protect %#x\n",
+               (unsigned long long) p->start, (unsigned long long) p->end,
+               fixed_memory32->write_protect);
 }
 
 int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
@@ -973,57 +1019,49 @@ int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
        struct acpi_resource *resource = buffer->pointer;
        int port = 0, irq = 0, dma = 0, mem = 0;
 
-       pnp_dbg("res cnt %d", res_cnt);
+       dev_dbg(&dev->dev, "encode %d resources\n", res_cnt);
        while (i < res_cnt) {
                switch (resource->type) {
                case ACPI_RESOURCE_TYPE_IRQ:
-                       pnp_dbg("Encode irq");
-                       pnpacpi_encode_irq(resource,
+                       pnpacpi_encode_irq(dev, resource,
                                           &res_table->irq_resource[irq]);
                        irq++;
                        break;
 
                case ACPI_RESOURCE_TYPE_DMA:
-                       pnp_dbg("Encode dma");
-                       pnpacpi_encode_dma(resource,
+                       pnpacpi_encode_dma(dev, resource,
                                           &res_table->dma_resource[dma]);
                        dma++;
                        break;
                case ACPI_RESOURCE_TYPE_IO:
-                       pnp_dbg("Encode io");
-                       pnpacpi_encode_io(resource,
+                       pnpacpi_encode_io(dev, resource,
                                          &res_table->port_resource[port]);
                        port++;
                        break;
                case ACPI_RESOURCE_TYPE_FIXED_IO:
-                       pnp_dbg("Encode fixed io");
-                       pnpacpi_encode_fixed_io(resource,
+                       pnpacpi_encode_fixed_io(dev, resource,
                                                &res_table->
                                                port_resource[port]);
                        port++;
                        break;
                case ACPI_RESOURCE_TYPE_MEMORY24:
-                       pnp_dbg("Encode mem24");
-                       pnpacpi_encode_mem24(resource,
+                       pnpacpi_encode_mem24(dev, resource,
                                             &res_table->mem_resource[mem]);
                        mem++;
                        break;
                case ACPI_RESOURCE_TYPE_MEMORY32:
-                       pnp_dbg("Encode mem32");
-                       pnpacpi_encode_mem32(resource,
+                       pnpacpi_encode_mem32(dev, resource,
                                             &res_table->mem_resource[mem]);
                        mem++;
                        break;
                case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
-                       pnp_dbg("Encode fixed mem32");
-                       pnpacpi_encode_fixed_mem32(resource,
+                       pnpacpi_encode_fixed_mem32(dev, resource,
                                                   &res_table->
                                                   mem_resource[mem]);
                        mem++;
                        break;
                case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
-                       pnp_dbg("Encode ext irq");
-                       pnpacpi_encode_ext_irq(resource,
+                       pnpacpi_encode_ext_irq(dev, resource,
                                               &res_table->irq_resource[irq]);
                        irq++;
                        break;
index 1711e7f..76d3985 100644 (file)
@@ -212,6 +212,7 @@ static int pnpbios_get_resources(struct pnp_dev *dev)
        if (!pnpbios_is_dynamic(dev))
                return -EPERM;
 
+       dev_dbg(&dev->dev, "get resources\n");
        node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
@@ -234,6 +235,7 @@ static int pnpbios_set_resources(struct pnp_dev *dev)
        if (!pnpbios_is_dynamic(dev))
                return -EPERM;
 
+       dev_dbg(&dev->dev, "set resources\n");
        node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
index 1b8f30f..7428f62 100644 (file)
@@ -143,6 +143,8 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev,
        if (!p)
                return NULL;
 
+       dev_dbg(&dev->dev, "parse allocated resources\n");
+
        /* Blank the resource table values */
        pnp_init_resource_table(&dev->res);
 
@@ -390,6 +392,8 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
        if (!p)
                return NULL;
 
+       dev_dbg(&dev->dev, "parse resource options\n");
+
        option_independent = option = pnp_register_independent_option(dev);
        if (!option)
                return NULL;
@@ -574,7 +578,8 @@ len_err:
  * Allocated Resource Encoding
  */
 
-static void pnpbios_encode_mem(unsigned char *p, struct resource *res)
+static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p,
+                              struct resource *res)
 {
        unsigned long base = res->start;
        unsigned long len = res->end - res->start + 1;
@@ -585,9 +590,13 @@ static void pnpbios_encode_mem(unsigned char *p, struct resource *res)
        p[7] = ((base >> 8) >> 8) & 0xff;
        p[10] = (len >> 8) & 0xff;
        p[11] = ((len >> 8) >> 8) & 0xff;
+
+       dev_dbg(&dev->dev, "  encode mem %#llx-%#llx\n",
+               (unsigned long long) res->start, (unsigned long long) res->end);
 }
 
-static void pnpbios_encode_mem32(unsigned char *p, struct resource *res)
+static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,
+                                struct resource *res)
 {
        unsigned long base = res->start;
        unsigned long len = res->end - res->start + 1;
@@ -604,9 +613,13 @@ static void pnpbios_encode_mem32(unsigned char *p, struct resource *res)
        p[17] = (len >> 8) & 0xff;
        p[18] = (len >> 16) & 0xff;
        p[19] = (len >> 24) & 0xff;
+
+       dev_dbg(&dev->dev, "  encode mem32 %#llx-%#llx\n",
+               (unsigned long long) res->start, (unsigned long long) res->end);
 }
 
-static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res)
+static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,
+                                      struct resource *res)
 {
        unsigned long base = res->start;
        unsigned long len = res->end - res->start + 1;
@@ -619,26 +632,36 @@ static void pnpbios_encode_fixed_mem32(unsigned char *p, struct resource *res)
        p[9] = (len >> 8) & 0xff;
        p[10] = (len >> 16) & 0xff;
        p[11] = (len >> 24) & 0xff;
+
+       dev_dbg(&dev->dev, "  encode fixed_mem32 %#llx-%#llx\n",
+               (unsigned long long) res->start, (unsigned long long) res->end);
 }
 
-static void pnpbios_encode_irq(unsigned char *p, struct resource *res)
+static void pnpbios_encode_irq(struct pnp_dev *dev, unsigned char *p,
+                              struct resource *res)
 {
        unsigned long map = 0;
 
        map = 1 << res->start;
        p[1] = map & 0xff;
        p[2] = (map >> 8) & 0xff;
+
+       dev_dbg(&dev->dev, "  encode irq %d\n", res->start);
 }
 
-static void pnpbios_encode_dma(unsigned char *p, struct resource *res)
+static void pnpbios_encode_dma(struct pnp_dev *dev, unsigned char *p,
+                              struct resource *res)
 {
        unsigned long map = 0;
 
        map = 1 << res->start;
        p[1] = map & 0xff;
+
+       dev_dbg(&dev->dev, "  encode dma %d\n", res->start);
 }
 
-static void pnpbios_encode_port(unsigned char *p, struct resource *res)
+static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,
+                               struct resource *res)
 {
        unsigned long base = res->start;
        unsigned long len = res->end - res->start + 1;
@@ -648,9 +671,13 @@ static void pnpbios_encode_port(unsigned char *p, struct resource *res)
        p[4] = base & 0xff;
        p[5] = (base >> 8) & 0xff;
        p[7] = len & 0xff;
+
+       dev_dbg(&dev->dev, "  encode io %#llx-%#llx\n",
+               (unsigned long long) res->start, (unsigned long long) res->end);
 }
 
-static void pnpbios_encode_fixed_port(unsigned char *p, struct resource *res)
+static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
+                                     struct resource *res)
 {
        unsigned long base = res->start;
        unsigned long len = res->end - res->start + 1;
@@ -658,6 +685,9 @@ static void pnpbios_encode_fixed_port(unsigned char *p, struct resource *res)
        p[1] = base & 0xff;
        p[2] = (base >> 8) & 0xff;
        p[3] = len & 0xff;
+
+       dev_dbg(&dev->dev, "  encode fixed_io %#llx-%#llx\n",
+               (unsigned long long) res->start, (unsigned long long) res->end);
 }
 
 static unsigned char *pnpbios_encode_allocated_resource_data(struct pnp_dev
@@ -688,42 +718,42 @@ static unsigned char *pnpbios_encode_allocated_resource_data(struct pnp_dev
                case LARGE_TAG_MEM:
                        if (len != 9)
                                goto len_err;
-                       pnpbios_encode_mem(p, &res->mem_resource[mem]);
+                       pnpbios_encode_mem(dev, p, &res->mem_resource[mem]);
                        mem++;
                        break;
 
                case LARGE_TAG_MEM32:
                        if (len != 17)
                                goto len_err;
-                       pnpbios_encode_mem32(p, &res->mem_resource[mem]);
+                       pnpbios_encode_mem32(dev, p, &res->mem_resource[mem]);
                        mem++;
                        break;
 
                case LARGE_TAG_FIXEDMEM32:
                        if (len != 9)
                                goto len_err;
-                       pnpbios_encode_fixed_mem32(p, &res->mem_resource[mem]);
+                       pnpbios_encode_fixed_mem32(dev, p, &res->mem_resource[mem]);
                        mem++;
                        break;
 
                case SMALL_TAG_IRQ:
                        if (len < 2 || len > 3)
                                goto len_err;
-                       pnpbios_encode_irq(p, &res->irq_resource[irq]);
+                       pnpbios_encode_irq(dev, p, &res->irq_resource[irq]);
                        irq++;
                        break;
 
                case SMALL_TAG_DMA:
                        if (len != 2)
                                goto len_err;
-                       pnpbios_encode_dma(p, &res->dma_resource[dma]);
+                       pnpbios_encode_dma(dev, p, &res->dma_resource[dma]);
                        dma++;
                        break;
 
                case SMALL_TAG_PORT:
                        if (len != 7)
                                goto len_err;
-                       pnpbios_encode_port(p, &res->port_resource[port]);
+                       pnpbios_encode_port(dev, p, &res->port_resource[port]);
                        port++;
                        break;
 
@@ -734,7 +764,7 @@ static unsigned char *pnpbios_encode_allocated_resource_data(struct pnp_dev
                case SMALL_TAG_FIXEDPORT:
                        if (len != 3)
                                goto len_err;
-                       pnpbios_encode_fixed_port(p, &res->port_resource[port]);
+                       pnpbios_encode_fixed_port(dev, p, &res->port_resource[port]);
                        port++;
                        break;