1 // Copyright 2018 The Fuchsia Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <ddk/binding.h>
6 #include <ddk/device.h>
7 #include <ddk/driver.h>
8
9 #include "simple-display.h"
10
11 // simple framebuffer device to match against an AMD Kaveri R7 device already
12 // initialized from EFI
13 #define AMD_GFX_VID (0x1002)
14 #define AMD_KAVERI_R7_DID (0x130f)
15 #define AMD_GFX_RAVEN (0x15dd)
16
kaveri_disp_bind(void * ctx,zx_device_t * dev)17 static zx_status_t kaveri_disp_bind(void* ctx, zx_device_t* dev) {
18 // framebuffer bar seems to be 0
19 return bind_simple_pci_display_bootloader(dev, "kaveri", 0u);
20 }
21
22 static zx_driver_ops_t kaveri_disp_driver_ops = {
23 .version = DRIVER_OPS_VERSION,
24 .bind = kaveri_disp_bind,
25 };
26
27 // clang-format off
28 ZIRCON_DRIVER_BEGIN(kaveri_disp, kaveri_disp_driver_ops, "zircon", "0.1", 4)
29 BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_PCI),
30 BI_ABORT_IF(NE, BIND_PCI_VID, AMD_GFX_VID),
31 BI_MATCH_IF(EQ, BIND_PCI_DID, AMD_KAVERI_R7_DID),
32 BI_MATCH_IF(EQ, BIND_PCI_DID, AMD_GFX_RAVEN),
33 ZIRCON_DRIVER_END(kaveri_disp)
34