Line data    Source code

       1             : /*
       2             :  * Copyright 2012-15 Advanced Micro Devices, Inc.
       3             :  *
       4             :  * Permission is hereby granted, free of charge, to any person obtaining a
       5             :  * copy of this software and associated documentation files (the "Software"),
       6             :  * to deal in the Software without restriction, including without limitation
       7             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
       8             :  * and/or sell copies of the Software, and to permit persons to whom the
       9             :  * Software is furnished to do so, subject to the following conditions:
      10             :  *
      11             :  * The above copyright notice and this permission notice shall be included in
      12             :  * all copies or substantial portions of the Software.
      13             :  *
      14             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      17             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      18             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      19             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      20             :  * OTHER DEALINGS IN THE SOFTWARE.
      21             :  *
      22             :  * Authors: AMD
      23             :  *
      24             :  */
      25             : 
      26             : #include "dm_services.h"
      27             : 
      28             : /*
      29             :  * Pre-requisites: headers required by header of this unit
      30             :  */
      31             : #include "include/gpio_types.h"
      32             : #include "../hw_translate.h"
      33             : 
      34             : #include "hw_translate_dce80.h"
      35             : 
      36             : #include "dce/dce_8_0_d.h"
      37             : #include "dce/dce_8_0_sh_mask.h"
      38             : #include "smu/smu_7_0_1_d.h"
      39             : 
      40             : /*
      41             :  * @brief
      42             :  * Returns index of first bit (starting with LSB) which is set
      43             :  */
      44           0 : static uint32_t index_from_vector(
      45             :         uint32_t vector)
      46             : {
      47           0 :         uint32_t result = 0;
      48           0 :         uint32_t mask = 1;
      49             : 
      50             :         do {
      51           0 :                 if (vector == mask)
      52             :                         return result;
      53             : 
      54           0 :                 ++result;
      55           0 :                 mask <<= 1;
      56           0 :         } while (mask);
      57             : 
      58           0 :         BREAK_TO_DEBUGGER();
      59             : 
      60           0 :         return GPIO_ENUM_UNKNOWN;
      61             : }
      62             : 
      63           0 : static bool offset_to_id(
      64             :         uint32_t offset,
      65             :         uint32_t mask,
      66             :         enum gpio_id *id,
      67             :         uint32_t *en)
      68             : {
      69           0 :         switch (offset) {
      70             :         /* GENERIC */
      71             :         case mmDC_GPIO_GENERIC_A:
      72           0 :                 *id = GPIO_ID_GENERIC;
      73           0 :                 switch (mask) {
      74             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK:
      75           0 :                         *en = GPIO_GENERIC_A;
      76           0 :                         return true;
      77             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK:
      78           0 :                         *en = GPIO_GENERIC_B;
      79           0 :                         return true;
      80             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK:
      81           0 :                         *en = GPIO_GENERIC_C;
      82           0 :                         return true;
      83             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK:
      84           0 :                         *en = GPIO_GENERIC_D;
      85           0 :                         return true;
      86             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK:
      87           0 :                         *en = GPIO_GENERIC_E;
      88           0 :                         return true;
      89             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK:
      90           0 :                         *en = GPIO_GENERIC_F;
      91           0 :                         return true;
      92             :                 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK:
      93           0 :                         *en = GPIO_GENERIC_G;
      94           0 :                         return true;
      95             :                 default:
      96           0 :                         BREAK_TO_DEBUGGER();
      97           0 :                         return false;
      98             :                 }
      99             :         break;
     100             :         /* HPD */
     101             :         case mmDC_GPIO_HPD_A:
     102           0 :                 *id = GPIO_ID_HPD;
     103           0 :                 switch (mask) {
     104             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK:
     105           0 :                         *en = GPIO_HPD_1;
     106           0 :                         return true;
     107             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK:
     108           0 :                         *en = GPIO_HPD_2;
     109           0 :                         return true;
     110             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK:
     111           0 :                         *en = GPIO_HPD_3;
     112           0 :                         return true;
     113             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK:
     114           0 :                         *en = GPIO_HPD_4;
     115           0 :                         return true;
     116             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK:
     117           0 :                         *en = GPIO_HPD_5;
     118           0 :                         return true;
     119             :                 case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK:
     120           0 :                         *en = GPIO_HPD_6;
     121           0 :                         return true;
     122             :                 default:
     123           0 :                         BREAK_TO_DEBUGGER();
     124           0 :                         return false;
     125             :                 }
     126             :         break;
     127             :         /* SYNCA */
     128             :         case mmDC_GPIO_SYNCA_A:
     129           0 :                 *id = GPIO_ID_SYNC;
     130           0 :                 switch (mask) {
     131             :                 case DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK:
     132           0 :                         *en = GPIO_SYNC_HSYNC_A;
     133           0 :                         return true;
     134             :                 case DC_GPIO_SYNCA_A__DC_GPIO_VSYNCA_A_MASK:
     135           0 :                         *en = GPIO_SYNC_VSYNC_A;
     136           0 :                         return true;
     137             :                 default:
     138           0 :                         BREAK_TO_DEBUGGER();
     139           0 :                         return false;
     140             :                 }
     141             :         break;
     142             :         /* mmDC_GPIO_GENLK_MASK */
     143             :         case mmDC_GPIO_GENLK_A:
     144           0 :                 *id = GPIO_ID_GSL;
     145           0 :                 switch (mask) {
     146             :                 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK:
     147           0 :                         *en = GPIO_GSL_GENLOCK_CLOCK;
     148           0 :                         return true;
     149             :                 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK:
     150           0 :                         *en = GPIO_GSL_GENLOCK_VSYNC;
     151           0 :                         return true;
     152             :                 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK:
     153           0 :                         *en = GPIO_GSL_SWAPLOCK_A;
     154           0 :                         return true;
     155             :                 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK:
     156           0 :                         *en = GPIO_GSL_SWAPLOCK_B;
     157           0 :                         return true;
     158             :                 default:
     159           0 :                         BREAK_TO_DEBUGGER();
     160           0 :                         return false;
     161             :                 }
     162             :         break;
     163             :         /* GPIOPAD */
     164             :         case mmGPIOPAD_A:
     165           0 :                 *id = GPIO_ID_GPIO_PAD;
     166           0 :                 *en = index_from_vector(mask);
     167           0 :                 return (*en <= GPIO_GPIO_PAD_MAX);
     168             :         /* DDC */
     169             :         /* we don't care about the GPIO_ID for DDC
     170             :          * in DdcHandle it will use GPIO_ID_DDC_DATA/GPIO_ID_DDC_CLOCK
     171             :          * directly in the create method */
     172             :         case mmDC_GPIO_DDC1_A:
     173           0 :                 *en = GPIO_DDC_LINE_DDC1;
     174           0 :                 return true;
     175             :         case mmDC_GPIO_DDC2_A:
     176           0 :                 *en = GPIO_DDC_LINE_DDC2;
     177           0 :                 return true;
     178             :         case mmDC_GPIO_DDC3_A:
     179           0 :                 *en = GPIO_DDC_LINE_DDC3;
     180           0 :                 return true;
     181             :         case mmDC_GPIO_DDC4_A:
     182           0 :                 *en = GPIO_DDC_LINE_DDC4;
     183           0 :                 return true;
     184             :         case mmDC_GPIO_DDC5_A:
     185           0 :                 *en = GPIO_DDC_LINE_DDC5;
     186           0 :                 return true;
     187             :         case mmDC_GPIO_DDC6_A:
     188           0 :                 *en = GPIO_DDC_LINE_DDC6;
     189           0 :                 return true;
     190             :         case mmDC_GPIO_DDCVGA_A:
     191           0 :                 *en = GPIO_DDC_LINE_DDC_VGA;
     192           0 :                 return true;
     193             :         /* GPIO_I2CPAD */
     194             :         case mmDC_GPIO_I2CPAD_A:
     195           0 :                 *en = GPIO_DDC_LINE_I2C_PAD;
     196           0 :                 return true;
     197             :         /* Not implemented */
     198             :         case mmDC_GPIO_PWRSEQ_A:
     199             :         case mmDC_GPIO_PAD_STRENGTH_1:
     200             :         case mmDC_GPIO_PAD_STRENGTH_2:
     201             :         case mmDC_GPIO_DEBUG:
     202             :                 return false;
     203             :         /* UNEXPECTED */
     204             :         default:
     205           0 :                 BREAK_TO_DEBUGGER();
     206           0 :                 return false;
     207             :         }
     208             : }
     209             : 
     210           0 : static bool id_to_offset(
     211             :         enum gpio_id id,
     212             :         uint32_t en,
     213             :         struct gpio_pin_info *info)
     214             : {
     215           0 :         bool result = true;
     216             : 
     217           0 :         switch (id) {
     218             :         case GPIO_ID_DDC_DATA:
     219           0 :                 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6DATA_A_MASK;
     220           0 :                 switch (en) {
     221             :                 case GPIO_DDC_LINE_DDC1:
     222           0 :                         info->offset = mmDC_GPIO_DDC1_A;
     223           0 :                 break;
     224             :                 case GPIO_DDC_LINE_DDC2:
     225           0 :                         info->offset = mmDC_GPIO_DDC2_A;
     226           0 :                 break;
     227             :                 case GPIO_DDC_LINE_DDC3:
     228           0 :                         info->offset = mmDC_GPIO_DDC3_A;
     229           0 :                 break;
     230             :                 case GPIO_DDC_LINE_DDC4:
     231           0 :                         info->offset = mmDC_GPIO_DDC4_A;
     232           0 :                 break;
     233             :                 case GPIO_DDC_LINE_DDC5:
     234           0 :                         info->offset = mmDC_GPIO_DDC5_A;
     235           0 :                 break;
     236             :                 case GPIO_DDC_LINE_DDC6:
     237           0 :                         info->offset = mmDC_GPIO_DDC6_A;
     238           0 :                 break;
     239             :                 case GPIO_DDC_LINE_DDC_VGA:
     240           0 :                         info->offset = mmDC_GPIO_DDCVGA_A;
     241           0 :                 break;
     242             :                 case GPIO_DDC_LINE_I2C_PAD:
     243           0 :                         info->offset = mmDC_GPIO_I2CPAD_A;
     244           0 :                 break;
     245             :                 default:
     246           0 :                         BREAK_TO_DEBUGGER();
     247           0 :                         result = false;
     248             :                 }
     249             :         break;
     250             :         case GPIO_ID_DDC_CLOCK:
     251           0 :                 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6CLK_A_MASK;
     252           0 :                 switch (en) {
     253             :                 case GPIO_DDC_LINE_DDC1:
     254           0 :                         info->offset = mmDC_GPIO_DDC1_A;
     255           0 :                 break;
     256             :                 case GPIO_DDC_LINE_DDC2:
     257           0 :                         info->offset = mmDC_GPIO_DDC2_A;
     258           0 :                 break;
     259             :                 case GPIO_DDC_LINE_DDC3:
     260           0 :                         info->offset = mmDC_GPIO_DDC3_A;
     261           0 :                 break;
     262             :                 case GPIO_DDC_LINE_DDC4:
     263           0 :                         info->offset = mmDC_GPIO_DDC4_A;
     264           0 :                 break;
     265             :                 case GPIO_DDC_LINE_DDC5:
     266           0 :                         info->offset = mmDC_GPIO_DDC5_A;
     267           0 :                 break;
     268             :                 case GPIO_DDC_LINE_DDC6:
     269           0 :                         info->offset = mmDC_GPIO_DDC6_A;
     270           0 :                 break;
     271             :                 case GPIO_DDC_LINE_DDC_VGA:
     272           0 :                         info->offset = mmDC_GPIO_DDCVGA_A;
     273           0 :                 break;
     274             :                 case GPIO_DDC_LINE_I2C_PAD:
     275           0 :                         info->offset = mmDC_GPIO_I2CPAD_A;
     276           0 :                 break;
     277             :                 default:
     278           0 :                         BREAK_TO_DEBUGGER();
     279           0 :                         result = false;
     280             :                 }
     281             :         break;
     282             :         case GPIO_ID_GENERIC:
     283           0 :                 info->offset = mmDC_GPIO_GENERIC_A;
     284           0 :                 switch (en) {
     285             :                 case GPIO_GENERIC_A:
     286           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK;
     287           0 :                 break;
     288             :                 case GPIO_GENERIC_B:
     289           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK;
     290           0 :                 break;
     291             :                 case GPIO_GENERIC_C:
     292           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK;
     293           0 :                 break;
     294             :                 case GPIO_GENERIC_D:
     295           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK;
     296           0 :                 break;
     297             :                 case GPIO_GENERIC_E:
     298           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK;
     299           0 :                 break;
     300             :                 case GPIO_GENERIC_F:
     301           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK;
     302           0 :                 break;
     303             :                 case GPIO_GENERIC_G:
     304           0 :                         info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK;
     305           0 :                 break;
     306             :                 default:
     307           0 :                         BREAK_TO_DEBUGGER();
     308           0 :                         result = false;
     309             :                 }
     310             :         break;
     311             :         case GPIO_ID_HPD:
     312           0 :                 info->offset = mmDC_GPIO_HPD_A;
     313           0 :                 switch (en) {
     314             :                 case GPIO_HPD_1:
     315           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK;
     316           0 :                 break;
     317             :                 case GPIO_HPD_2:
     318           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK;
     319           0 :                 break;
     320             :                 case GPIO_HPD_3:
     321           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK;
     322           0 :                 break;
     323             :                 case GPIO_HPD_4:
     324           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK;
     325           0 :                 break;
     326             :                 case GPIO_HPD_5:
     327           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK;
     328           0 :                 break;
     329             :                 case GPIO_HPD_6:
     330           0 :                         info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK;
     331           0 :                 break;
     332             :                 default:
     333           0 :                         BREAK_TO_DEBUGGER();
     334           0 :                         result = false;
     335             :                 }
     336             :         break;
     337             :         case GPIO_ID_SYNC:
     338           0 :                 switch (en) {
     339             :                 case GPIO_SYNC_HSYNC_A:
     340           0 :                         info->offset = mmDC_GPIO_SYNCA_A;
     341           0 :                         info->mask = DC_GPIO_SYNCA_A__DC_GPIO_HSYNCA_A_MASK;
     342           0 :                 break;
     343             :                 case GPIO_SYNC_VSYNC_A:
     344           0 :                         info->offset = mmDC_GPIO_SYNCA_A;
     345           0 :                         info->mask = DC_GPIO_SYNCA_A__DC_GPIO_VSYNCA_A_MASK;
     346           0 :                 break;
     347             :                 case GPIO_SYNC_HSYNC_B:
     348             :                 case GPIO_SYNC_VSYNC_B:
     349             :                 default:
     350           0 :                         BREAK_TO_DEBUGGER();
     351           0 :                         result = false;
     352             :                 }
     353             :         break;
     354             :         case GPIO_ID_GSL:
     355           0 :                 switch (en) {
     356             :                 case GPIO_GSL_GENLOCK_CLOCK:
     357           0 :                         info->offset = mmDC_GPIO_GENLK_A;
     358           0 :                         info->mask = DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK;
     359           0 :                 break;
     360             :                 case GPIO_GSL_GENLOCK_VSYNC:
     361           0 :                         info->offset = mmDC_GPIO_GENLK_A;
     362           0 :                         info->mask =
     363             :                                 DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK;
     364           0 :                 break;
     365             :                 case GPIO_GSL_SWAPLOCK_A:
     366           0 :                         info->offset = mmDC_GPIO_GENLK_A;
     367           0 :                         info->mask = DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK;
     368           0 :                 break;
     369             :                 case GPIO_GSL_SWAPLOCK_B:
     370           0 :                         info->offset = mmDC_GPIO_GENLK_A;
     371           0 :                         info->mask = DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK;
     372           0 :                 break;
     373             :                 default:
     374           0 :                         BREAK_TO_DEBUGGER();
     375           0 :                         result = false;
     376             :                 }
     377             :         break;
     378             :         case GPIO_ID_GPIO_PAD:
     379           0 :                 info->offset = mmGPIOPAD_A;
     380           0 :                 info->mask = (1 << en);
     381           0 :                 result = (info->mask <= GPIO_GPIO_PAD_MAX);
     382           0 :         break;
     383             :         case GPIO_ID_VIP_PAD:
     384             :         default:
     385           0 :                 BREAK_TO_DEBUGGER();
     386           0 :                 result = false;
     387             :         }
     388             : 
     389           0 :         if (result) {
     390           0 :                 info->offset_y = info->offset + 2;
     391           0 :                 info->offset_en = info->offset + 1;
     392           0 :                 info->offset_mask = info->offset - 1;
     393             : 
     394           0 :                 info->mask_y = info->mask;
     395           0 :                 info->mask_en = info->mask;
     396           0 :                 info->mask_mask = info->mask;
     397             :         }
     398             : 
     399           0 :         return result;
     400             : }
     401             : 
     402             : static const struct hw_translate_funcs funcs = {
     403             :                 .offset_to_id = offset_to_id,
     404             :                 .id_to_offset = id_to_offset,
     405             : };
     406             : 
     407           0 : void dal_hw_translate_dce80_init(
     408             :         struct hw_translate *translate)
     409             : {
     410           0 :         translate->funcs = &funcs;
     411           0 : }