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path: root/drivers/acpi/acpica/rsmisc.c
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Diffstat (limited to 'drivers/acpi/acpica/rsmisc.c')
-rw-r--r--drivers/acpi/acpica/rsmisc.c267
1 files changed, 262 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index 410264b22a2..af3dc63163b 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -83,6 +83,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
+ if (!info) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
if (((acpi_size) resource) & 0x3) {
/* Each internal resource struct is expected to be 32-bit aligned */
@@ -101,7 +105,6 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
* table length (# of table entries)
*/
count = INIT_TABLE_LENGTH(info);
-
while (count) {
/*
* Source is the external AML byte stream buffer,
@@ -145,6 +148,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
((ACPI_GET8(source) >> info->value) & 0x03);
break;
+ case ACPI_RSC_3BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET8(destination) = (u8)
+ ((ACPI_GET8(source) >> info->value) & 0x07);
+ break;
+
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
@@ -163,6 +174,69 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
(info->value * (item_count - 1));
break;
+ case ACPI_RSC_COUNT_GPIO_PIN:
+
+ target = ACPI_ADD_PTR(void, aml, info->value);
+ item_count = ACPI_GET16(target) - ACPI_GET16(source);
+
+ resource->length = resource->length + item_count;
+ item_count = item_count / 2;
+ ACPI_SET16(destination) = item_count;
+ break;
+
+ case ACPI_RSC_COUNT_GPIO_VEN:
+
+ item_count = ACPI_GET8(source);
+ ACPI_SET8(destination) = (u8)item_count;
+
+ resource->length = resource->length +
+ (info->value * item_count);
+ break;
+
+ case ACPI_RSC_COUNT_GPIO_RES:
+
+ /*
+ * Vendor data is optional (length/offset may both be zero)
+ * Examine vendor data length field first
+ */
+ target = ACPI_ADD_PTR(void, aml, (info->value + 2));
+ if (ACPI_GET16(target)) {
+
+ /* Use vendor offset to get resource source length */
+
+ target = ACPI_ADD_PTR(void, aml, info->value);
+ item_count =
+ ACPI_GET16(target) - ACPI_GET16(source);
+ } else {
+ /* No vendor data to worry about */
+
+ item_count = aml->large_header.resource_length +
+ sizeof(struct aml_resource_large_header) -
+ ACPI_GET16(source);
+ }
+
+ resource->length = resource->length + item_count;
+ ACPI_SET16(destination) = item_count;
+ break;
+
+ case ACPI_RSC_COUNT_SERIAL_VEN:
+
+ item_count = ACPI_GET16(source) - info->value;
+
+ resource->length = resource->length + item_count;
+ ACPI_SET16(destination) = item_count;
+ break;
+
+ case ACPI_RSC_COUNT_SERIAL_RES:
+
+ item_count = (aml_resource_length +
+ sizeof(struct aml_resource_large_header))
+ - ACPI_GET16(source) - info->value;
+
+ resource->length = resource->length + item_count;
+ ACPI_SET16(destination) = item_count;
+ break;
+
case ACPI_RSC_LENGTH:
resource->length = resource->length + info->value;
@@ -183,6 +257,72 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
info->opcode);
break;
+ case ACPI_RSC_MOVE_GPIO_PIN:
+
+ /* Generate and set the PIN data pointer */
+
+ target = (char *)ACPI_ADD_PTR(void, resource,
+ (resource->length -
+ item_count * 2));
+ *(u16 **)destination = ACPI_CAST_PTR(u16, target);
+
+ /* Copy the PIN data */
+
+ source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
+ acpi_rs_move_data(target, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_GPIO_RES:
+
+ /* Generate and set the resource_source string pointer */
+
+ target = (char *)ACPI_ADD_PTR(void, resource,
+ (resource->length -
+ item_count));
+ *(u8 **)destination = ACPI_CAST_PTR(u8, target);
+
+ /* Copy the resource_source string */
+
+ source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
+ acpi_rs_move_data(target, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_SERIAL_VEN:
+
+ /* Generate and set the Vendor Data pointer */
+
+ target = (char *)ACPI_ADD_PTR(void, resource,
+ (resource->length -
+ item_count));
+ *(u8 **)destination = ACPI_CAST_PTR(u8, target);
+
+ /* Copy the Vendor Data */
+
+ source = ACPI_ADD_PTR(void, aml, info->value);
+ acpi_rs_move_data(target, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_SERIAL_RES:
+
+ /* Generate and set the resource_source string pointer */
+
+ target = (char *)ACPI_ADD_PTR(void, resource,
+ (resource->length -
+ item_count));
+ *(u8 **)destination = ACPI_CAST_PTR(u8, target);
+
+ /* Copy the resource_source string */
+
+ source =
+ ACPI_ADD_PTR(void, aml,
+ (ACPI_GET16(source) + info->value));
+ acpi_rs_move_data(target, source, item_count,
+ info->opcode);
+ break;
+
case ACPI_RSC_SET8:
ACPI_MEMSET(destination, info->aml_offset, info->value);
@@ -219,13 +359,18 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
* Optional resource_source (Index and String). This is the more
* complicated case used by the Interrupt() macro
*/
- target =
- ACPI_ADD_PTR(char, resource,
- info->aml_offset + (item_count * 4));
+ target = ACPI_ADD_PTR(char, resource,
+ info->aml_offset +
+ (item_count * 4));
resource->length +=
acpi_rs_get_resource_source(aml_resource_length,
- (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target);
+ (acpi_rs_length)
+ (((item_count -
+ 1) * sizeof(u32)) +
+ info->value),
+ destination, aml,
+ target);
break;
case ACPI_RSC_BITMASK:
@@ -327,6 +472,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
{
void *source = NULL;
void *destination;
+ char *target;
acpi_rsdesc_size aml_length = 0;
u8 count;
u16 temp16 = 0;
@@ -334,6 +480,10 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
+ if (!info) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
/*
* First table entry must be ACPI_RSC_INITxxx and must contain the
* table length (# of table entries)
@@ -383,6 +533,14 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
((ACPI_GET8(source) & 0x03) << info->value);
break;
+ case ACPI_RSC_3BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET8(destination) |= (u8)
+ ((ACPI_GET8(source) & 0x07) << info->value);
+ break;
+
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
@@ -400,6 +558,63 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
acpi_rs_set_resource_length(aml_length, aml);
break;
+ case ACPI_RSC_COUNT_GPIO_PIN:
+
+ item_count = ACPI_GET16(source);
+ ACPI_SET16(destination) = (u16)aml_length;
+
+ aml_length = (u16)(aml_length + item_count * 2);
+ target = ACPI_ADD_PTR(void, aml, info->value);
+ ACPI_SET16(target) = (u16)aml_length;
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_COUNT_GPIO_VEN:
+
+ item_count = ACPI_GET16(source);
+ ACPI_SET16(destination) = (u16)item_count;
+
+ aml_length =
+ (u16)(aml_length + (info->value * item_count));
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_COUNT_GPIO_RES:
+
+ /* Set resource source string length */
+
+ item_count = ACPI_GET16(source);
+ ACPI_SET16(destination) = (u16)aml_length;
+
+ /* Compute offset for the Vendor Data */
+
+ aml_length = (u16)(aml_length + item_count);
+ target = ACPI_ADD_PTR(void, aml, info->value);
+
+ /* Set vendor offset only if there is vendor data */
+
+ if (resource->data.gpio.vendor_length) {
+ ACPI_SET16(target) = (u16)aml_length;
+ }
+
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_COUNT_SERIAL_VEN:
+
+ item_count = ACPI_GET16(source);
+ ACPI_SET16(destination) = item_count + info->value;
+ aml_length = (u16)(aml_length + item_count);
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_COUNT_SERIAL_RES:
+
+ item_count = ACPI_GET16(source);
+ aml_length = (u16)(aml_length + item_count);
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
case ACPI_RSC_LENGTH:
acpi_rs_set_resource_length(info->value, aml);
@@ -417,6 +632,48 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
info->opcode);
break;
+ case ACPI_RSC_MOVE_GPIO_PIN:
+
+ destination = (char *)ACPI_ADD_PTR(void, aml,
+ ACPI_GET16
+ (destination));
+ source = *(u16 **)source;
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_GPIO_RES:
+
+ /* Used for both resource_source string and vendor_data */
+
+ destination = (char *)ACPI_ADD_PTR(void, aml,
+ ACPI_GET16
+ (destination));
+ source = *(u8 **)source;
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_SERIAL_VEN:
+
+ destination = (char *)ACPI_ADD_PTR(void, aml,
+ (aml_length -
+ item_count));
+ source = *(u8 **)source;
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_MOVE_SERIAL_RES:
+
+ destination = (char *)ACPI_ADD_PTR(void, aml,
+ (aml_length -
+ item_count));
+ source = *(u8 **)source;
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
case ACPI_RSC_ADDRESS:
/* Set the Resource Type, General Flags, and Type-Specific Flags */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 20:54:14 +0000