arch/arm/mach-msm/gpiomux-v1.c

   1 /* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15  * 02110-1301, USA.
  16  */
  17 #include <linux/kernel.h>
  18 #include "gpiomux.h"
  19 #include "proc_comm.h"
  20
  21 void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val)
  22 {
  23         unsigned tlmm_config  = (val & ~GPIOMUX_CTL_MASK) |
  24                                 ((gpio & 0x3ff) << 4);
  25         unsigned tlmm_disable = 0;
  26         int rc;
  27
  28         rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX,
  29                            &tlmm_config, &tlmm_disable);
  30         if (rc)
  31                 pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n",
  32                        __func__, rc, tlmm_config, tlmm_disable);
  33 }