Changeset 73abf49 in mainline for kernel/genarch/include/genarch/drivers/bcm2835/mbox.h

Timestamp:

2021-06-22T19:36:32Z (3 years ago)

Author:

Maurizio Lombardi <mlombard@…>

Branches:

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

Children:

1b7b7af

Parents:

034ce6bb

git-author:

Maurizio Lombardi <mlombard@…> (2021-06-22 19:21:17)

git-committer:

Maurizio Lombardi <mlombard@…> (2021-06-22 19:36:32)

Message:

raspberrypi: mbox: read the framebuffer size from VideoCore

Get the real framebuffer size, do not assume
it's 640x480

Signed-off-by: Maurizio Lombardi <mlombard@…>

File:

• kernel/genarch/include/genarch/drivers/bcm2835/mbox.h (modified) (3 diffs)

kernel/genarch/include/genarch/drivers/bcm2835/mbox.h

@@ -68 +68 @@
 
 enum {
+        MBOX_TAG_GET_PHYS_W_H   = 0x00040003,
+        MBOX_TAG_SET_PHYS_W_H   = 0x00048003,
+        MBOX_TAG_GET_VIRT_W_H   = 0x00040004,
+        MBOX_TAG_SET_VIRT_W_G   = 0x00048004
+};
+
+enum {
         MBOX_PROP_CODE_REQ      = 0x00000000,
         MBOX_PROP_CODE_RESP_OK  = 0x80000000,
@@ -122 +129 @@
 
 typedef struct {
+        mbox_prop_buf_hdr_t     buf_hdr;
+        mbox_tag_hdr_t          tag_hdr;
+        struct {
+                uint32_t        width;
+                uint32_t        height;
+        } body;
+        uint32_t zero;
+} mbox_getfbsize_buf_t;
+
+typedef struct {
         ioport32_t width;
         ioport32_t height;
@@ -135 +152 @@
 
 extern bool bcm2835_prop_get_memory(uint32_t *base, uint32_t *size);
-extern bool bcm2835_fb_init(fb_properties_t *prop);
+extern bool bcm2835_fb_init(fb_properties_t *prop, uint32_t width, uint32_t heigth);
+extern bool bcm2835_mbox_get_fb_size(uint32_t *h, uint32_t *w);
 
 #endif