| /* Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation, Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _GPIO_H_ |
| #define _GPIO_H_ |
| |
| #define TLMM_PULL_MASK 0x3 |
| #define TLMM_HDRV_MASK 0x7 |
| |
| /* Current values for tlmm pins */ |
| enum { |
| TLMM_CUR_VAL_2MA = 0x0, |
| TLMM_CUR_VAL_4MA, |
| TLMM_CUR_VAL_6MA, |
| TLMM_CUR_VAL_8MA, |
| TLMM_CUR_VAL_10MA, |
| TLMM_CUR_VAL_12MA, |
| TLMM_CUR_VAL_14MA, |
| TLMM_CUR_VAL_16MA, |
| } tlmm_drive_config; |
| |
| enum { |
| TLMM_PULL_UP = 0x3, |
| TLMM_PULL_DOWN = 0x1, |
| TLMM_NO_PULL = 0x0, |
| } tlmm_pull_values; |
| |
| /* Bit offsets in the TLMM register */ |
| enum { |
| SDC1_DATA_HDRV_CTL_OFF = 0, |
| SDC1_CMD_HDRV_CTL_OFF = 3, |
| SDC1_CLK_HDRV_CTL_OFF = 6, |
| SDC1_DATA_PULL_CTL_OFF = 9, |
| SDC1_CMD_PULL_CTL_OFF = 11, |
| SDC1_CLK_PULL_CTL_OFF = 13, |
| SDC1_RCLK_PULL_CTL_OFF = 15, |
| } tlmm_drv_ctrl; |
| |
| /* Input for the tlmm config function */ |
| struct tlmm_cfgs { |
| uint32_t off; /* Bit offeset in the register */ |
| uint8_t val; /* Current value */ |
| uint8_t mask; /* Mask for the clk/dat/cmd control */ |
| }; |
| |
| /* APIs: exposed for other drivers */ |
| /* API: Hdrive control for tlmm pins */ |
| void tlmm_set_hdrive_ctrl(struct tlmm_cfgs *, uint8_t); |
| /* API: Pull control for tlmm pins */ |
| void tlmm_set_pull_ctrl(struct tlmm_cfgs *, uint8_t); |
| #endif |