Padmanabhan Komanduru | bccbcdc | 2015-06-30 16:19:24 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions |
| 5 | * are met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer in |
| 10 | * the documentation and/or other materials provided with the |
| 11 | * distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 19 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 20 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 22 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 23 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 24 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <debug.h> |
| 31 | #include <err.h> |
| 32 | #include <string.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <mdp5.h> |
| 35 | |
| 36 | #include "gcdb_display.h" |
| 37 | #include "target/display.h" |
| 38 | #include "fastboot_oem_display.h" |
| 39 | |
| 40 | struct oem_panel_data oem_data = {{'\0'}, false, false}; |
| 41 | |
| 42 | void panel_name_to_dt_string(struct panel_lookup_list supp_panels[], |
| 43 | uint32_t supp_panels_size, |
| 44 | const char *panel_name, char **panel_node, |
| 45 | char **slave_panel_node, int *panel_mode) |
| 46 | { |
| 47 | uint32_t i; |
| 48 | |
| 49 | if (!panel_name) { |
| 50 | dprintf(CRITICAL, "Invalid panel name\n"); |
| 51 | return; |
| 52 | } |
| 53 | |
| 54 | for (i = 0; i < supp_panels_size; i++) { |
| 55 | if (!strncmp(panel_name, supp_panels[i].name, |
| 56 | MAX_PANEL_ID_LEN)) { |
| 57 | *panel_node = supp_panels[i].panel_dt_string; |
| 58 | if (supp_panels[i].is_split_dsi) { |
| 59 | *slave_panel_node = |
| 60 | supp_panels[i].panel_dt_string; |
| 61 | *panel_mode = DUAL_DSI_FLAG; |
| 62 | } else { |
| 63 | *panel_mode = 0; |
| 64 | } |
| 65 | break; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | if (i == supp_panels_size) |
| 70 | dprintf(CRITICAL, "Panel_name:%s not found in lookup table\n", |
| 71 | panel_name); |
| 72 | } |
| 73 | |
| 74 | struct oem_panel_data mdss_dsi_get_oem_data(void) |
| 75 | { |
| 76 | return oem_data; |
| 77 | } |
| 78 | |
| 79 | void set_panel_cmd_string(const char *panel_name) |
| 80 | { |
| 81 | char *ch = NULL; |
| 82 | int i; |
| 83 | |
| 84 | panel_name += strspn(panel_name, " "); |
| 85 | |
| 86 | /* Panel string */ |
| 87 | ch = strchr((char *) panel_name, ':'); |
| 88 | if (ch) { |
| 89 | for (i = 0; (panel_name + i) < ch; i++) |
| 90 | oem_data.panel[i] = *(panel_name + i); |
| 91 | oem_data.panel[i] = '\0'; |
| 92 | } else { |
| 93 | strlcpy(oem_data.panel, panel_name, MAX_PANEL_ID_LEN); |
| 94 | } |
| 95 | |
| 96 | /* Skip LK configuration */ |
| 97 | ch = strstr((char *) panel_name, ":skip"); |
| 98 | oem_data.skip = ch ? true : false; |
| 99 | |
| 100 | /* Cont. splash status */ |
| 101 | ch = strstr((char *) panel_name, ":disable"); |
| 102 | oem_data.cont_splash = ch ? false : true; |
| 103 | } |
| 104 | |
| 105 | static bool mdss_dsi_set_panel_node(char *panel_name, char **dsi_id, |
| 106 | char **panel_node, char **slave_panel_node, int *panel_mode) |
| 107 | { |
| 108 | if (!strcmp(panel_name, SIM_VIDEO_PANEL)) { |
| 109 | *dsi_id = SIM_DSI_ID; |
| 110 | *panel_node = SIM_VIDEO_PANEL_NODE; |
| 111 | *panel_mode = 0; |
| 112 | } else if (!strcmp(panel_name, SIM_DUALDSI_VIDEO_PANEL)) { |
| 113 | *dsi_id = SIM_DSI_ID; |
| 114 | *panel_node = SIM_DUALDSI_VIDEO_PANEL_NODE; |
| 115 | *slave_panel_node = SIM_DUALDSI_VIDEO_SLAVE_PANEL_NODE; |
| 116 | *panel_mode = DUAL_DSI_FLAG; |
| 117 | } else if (!strcmp(panel_name, SIM_CMD_PANEL)) { |
| 118 | *dsi_id = SIM_DSI_ID; |
| 119 | *panel_node = SIM_CMD_PANEL_NODE; |
| 120 | *panel_mode = 0; |
| 121 | } else if (!strcmp(panel_name, SIM_DUALDSI_CMD_PANEL)) { |
| 122 | *dsi_id = SIM_DSI_ID; |
| 123 | *panel_node = SIM_DUALDSI_CMD_PANEL_NODE; |
| 124 | *slave_panel_node = SIM_DUALDSI_CMD_SLAVE_PANEL_NODE; |
| 125 | *panel_mode = DUAL_DSI_FLAG; |
| 126 | } else if (oem_data.skip) { |
| 127 | /* For skip panel case, check the lookup table */ |
| 128 | *dsi_id = SIM_DSI_ID; |
| 129 | panel_name_to_dt_string(lookup_skip_panels, |
| 130 | ARRAY_SIZE(lookup_skip_panels), panel_name, |
| 131 | panel_node, slave_panel_node, panel_mode); |
| 132 | } else { |
| 133 | return false; |
| 134 | } |
| 135 | return true; |
| 136 | } |
| 137 | |
| 138 | bool gcdb_display_cmdline_arg(char *pbuf, uint16_t buf_size) |
| 139 | { |
| 140 | char *dsi_id = NULL; |
| 141 | char *panel_node = NULL; |
| 142 | char *slave_panel_node = NULL; |
| 143 | uint16_t dsi_id_len = 0, panel_node_len = 0, slave_panel_node_len = 0; |
| 144 | uint32_t arg_size = 0; |
| 145 | bool ret = true; |
| 146 | bool rc; |
| 147 | char *default_str; |
| 148 | struct panel_struct panelstruct; |
| 149 | int panel_mode = SPLIT_DISPLAY_FLAG | DUAL_PIPE_FLAG | DST_SPLIT_FLAG; |
| 150 | int prefix_string_len = strlen(DISPLAY_CMDLINE_PREFIX); |
| 151 | char *sctl_string; |
| 152 | |
| 153 | panelstruct = mdss_dsi_get_panel_data(); |
| 154 | |
| 155 | rc = mdss_dsi_set_panel_node(oem_data.panel, &dsi_id, &panel_node, |
| 156 | &slave_panel_node, &panel_mode); |
| 157 | |
| 158 | if (!rc) { |
Padmanabhan Komanduru | df26fc6 | 2015-07-06 18:27:45 +0530 | [diff] [blame] | 159 | if (panelstruct.paneldata) { |
Padmanabhan Komanduru | bccbcdc | 2015-06-30 16:19:24 +0530 | [diff] [blame] | 160 | dsi_id = panelstruct.paneldata->panel_controller; |
| 161 | panel_node = panelstruct.paneldata->panel_node_id; |
| 162 | panel_mode = |
| 163 | panelstruct.paneldata->panel_operating_mode & |
| 164 | panel_mode; |
| 165 | slave_panel_node = |
| 166 | panelstruct.paneldata->slave_panel_node_id; |
| 167 | } else { |
| 168 | if (target_is_edp()) |
| 169 | default_str = "0:edp:"; |
| 170 | else |
| 171 | default_str = "0:dsi:0:"; |
| 172 | |
| 173 | arg_size = prefix_string_len + strlen(default_str); |
| 174 | if (buf_size < arg_size) { |
| 175 | dprintf(CRITICAL, "display command line buffer is small\n"); |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | strlcpy(pbuf, DISPLAY_CMDLINE_PREFIX, buf_size); |
| 180 | pbuf += prefix_string_len; |
| 181 | buf_size -= prefix_string_len; |
| 182 | |
| 183 | strlcpy(pbuf, default_str, buf_size); |
| 184 | return true; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | if (dsi_id == NULL || panel_node == NULL) { |
| 189 | dprintf(CRITICAL, "panel node or dsi ctrl not present\n"); |
| 190 | return false; |
| 191 | } |
| 192 | |
| 193 | if (((panel_mode & SPLIT_DISPLAY_FLAG) || |
| 194 | (panel_mode & DST_SPLIT_FLAG)) && slave_panel_node == NULL) { |
| 195 | dprintf(CRITICAL, "slave node not present in dual dsi case\n"); |
| 196 | return false; |
| 197 | } |
| 198 | |
| 199 | dsi_id_len = strlen(dsi_id); |
| 200 | panel_node_len = strlen(panel_node); |
| 201 | if (!slave_panel_node || !strcmp(slave_panel_node, "")) |
| 202 | slave_panel_node = NO_PANEL_CONFIG; |
| 203 | slave_panel_node_len = strlen(slave_panel_node); |
| 204 | |
| 205 | arg_size = prefix_string_len + dsi_id_len + panel_node_len + |
| 206 | LK_OVERRIDE_PANEL_LEN + 1; |
| 207 | |
| 208 | if (panelstruct.paneldata && |
| 209 | !strcmp(panelstruct.paneldata->panel_destination, "DISPLAY_2")) |
| 210 | sctl_string = DSI_0_STRING; |
| 211 | else |
| 212 | sctl_string = DSI_1_STRING; |
| 213 | |
| 214 | arg_size += strlen(sctl_string) + slave_panel_node_len; |
| 215 | |
| 216 | if (buf_size < arg_size) { |
| 217 | dprintf(CRITICAL, "display command line buffer is small\n"); |
| 218 | ret = false; |
| 219 | } else { |
| 220 | strlcpy(pbuf, DISPLAY_CMDLINE_PREFIX, buf_size); |
| 221 | pbuf += prefix_string_len; |
| 222 | buf_size -= prefix_string_len; |
| 223 | |
| 224 | strlcpy(pbuf, LK_OVERRIDE_PANEL, buf_size); |
| 225 | pbuf += LK_OVERRIDE_PANEL_LEN; |
| 226 | buf_size -= LK_OVERRIDE_PANEL_LEN; |
| 227 | |
| 228 | strlcpy(pbuf, dsi_id, buf_size); |
| 229 | pbuf += dsi_id_len; |
| 230 | buf_size -= dsi_id_len; |
| 231 | |
| 232 | strlcpy(pbuf, panel_node, buf_size); |
| 233 | |
| 234 | pbuf += panel_node_len; |
| 235 | buf_size -= panel_node_len; |
| 236 | |
| 237 | strlcpy(pbuf, sctl_string, buf_size); |
| 238 | pbuf += strlen(sctl_string); |
| 239 | buf_size -= strlen(sctl_string); |
| 240 | strlcpy(pbuf, slave_panel_node, buf_size); |
| 241 | } |
| 242 | return ret; |
| 243 | } |