test/dm/dsi_host.c

   1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2019 STMicroelectronics - All Rights Reserved
   4  * Author(s): Yannick Fertre <yannick.fertre@st.com> for STMicroelectronics.
   5  */
   6
   7 #include <dm.h>
   8 #include <dsi_host.h>
   9 #include <asm/state.h>
  10 #include <asm/test.h>
  11 #include <dm/test.h>
  12 #include <test/test.h>
  13 #include <test/ut.h>
  14
  15 static int dm_test_dsi_host_phy_init(void *priv_data)
  16 {
  17         return 0;
  18 }
  19
  20 static void dm_test_dsi_host_phy_post_set_mode(void *priv_data,
  21                                                unsigned long mode_flags)
  22 {
  23 }
  24
  25 static int dm_test_dsi_host_phy_get_lane_mbps(void *priv_data,
  26                                               struct display_timing *timings,
  27                                               u32 lanes,
  28                                               u32 format,
  29                                               unsigned int *lane_mbps)
  30 {
  31         return 0;
  32 }
  33
  34 static const struct mipi_dsi_phy_ops dm_test_dsi_host_phy_ops = {
  35         .init = dm_test_dsi_host_phy_init,
  36         .get_lane_mbps = dm_test_dsi_host_phy_get_lane_mbps,
  37         .post_set_mode = dm_test_dsi_host_phy_post_set_mode,
  38 };
  39
  40 /* Test that dsi_host driver functions are called */
  41 static int dm_test_dsi_host(struct unit_test_state *uts)
  42 {
  43         struct udevice *dev;
  44         struct mipi_dsi_device device;
  45         struct display_timing timings;
  46         unsigned int max_data_lanes = 4;
  47
  48         ut_assertok(uclass_first_device_err(UCLASS_DSI_HOST, &dev));
  49
  50         ut_assertok(dsi_host_init(dev, &device, &timings, max_data_lanes,
  51                                   &dm_test_dsi_host_phy_ops));
  52
  53         ut_assertok(dsi_host_enable(dev));
  54
  55         return 0;
  56 }
  57 DM_TEST(dm_test_dsi_host, UTF_SCAN_PDATA | UTF_SCAN_FDT);