| /* |
| * include/linux//ti81xxhdmi.c |
| * |
| * Copyright (C) 2009 Texas Instruments |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| * Author: Sujith Shivalingappa <sujith.s@ti.com> |
| */ |
| |
| #ifndef __TI81XXHDMI_H__ |
| #define __TI81XXHDMI_H__ |
| |
| |
| #include <linux/ioctl.h> |
| |
| /* IOCTL definitions */ |
| #define TI81XXHDMI_MAGIC 'N' |
| #define TI81XXHDMI_IOW(num, dtype) _IOW(TI81XXHDMI_MAGIC, num, dtype) |
| #define TI81XXHDMI_IOR(num, dtype) _IOR(TI81XXHDMI_MAGIC, num, dtype) |
| #define TI81XXHDMI_IOWR(num, dtype) _IOWR(TI81XXHDMI_MAGIC, num, dtype) |
| #define TI81XXHDMI_IO(num) _IO(TI81XXHDMI_MAGIC, num) |
| |
| /* IOCLT Supported by this driver */ |
| #define TI81XXHDMI_START TI81XXHDMI_IO(0) |
| #define TI81XXHDMI_STOP TI81XXHDMI_IO(1) |
| #define TI81XXHDMI_GET_STATUS TI81XXHDMI_IOR(2, int *) |
| #define TI81XXHDMI_READ_EDID TI81XXHDMI_IOR(3, struct ti81xxdhmi_edid_params) |
| /* Use this command only when hdmi is streaming video to a sink */ |
| /* TODO Not supported for now */ |
| #if 0 |
| #define TI81XXHDMI_GET_CONFIG TI81XXHDMI_IOR(4, struct hdmi_cfg_params) |
| #define TI81XXHDMI_SET_CONFIG TI81XXHDMI_IOW(5, struct hdmi_cfg_params) |
| #endif |
| #define TI81XXHDMI_SET_MODE TI81XXHDMI_IOW(6, enum ti81xxhdmi_mode) |
| #define TI81XXHDMI_GET_MODE TI81XXHDMI_IOR(7, enum ti81xxhdmi_mode) |
| #define TI81XXHDMI_TEST_HDMI TI81XXHDMI_IOW(8, enum ti81xxhdmi_mode) |
| #define TI81XXHDMI_GET_PHY_STAT TI81XXHDMI_IOR(9, enum ti81xxhdmi_mode) |
| /* Data Types */ |
| |
| /* Supported resolutions */ |
| enum ti81xxhdmi_mode { |
| hdmi_ntsc_mode = 0, |
| hdmi_pal_mode, |
| hdmi_1080P_60_mode, |
| hdmi_720P_60_mode, |
| hdmi_1080I_60_mode, |
| hdmi_1080P_30_mode, |
| hdmi_max_mode |
| }; |
| struct ti81xxdhmi_edid_params { |
| unsigned int slave_address; |
| unsigned int segment_ptr; |
| unsigned int offset; |
| unsigned int no_of_bytes; |
| void *buffer_ptr; |
| unsigned int no_of_bytes_read; |
| unsigned int timeout; |
| unsigned int use_eddc_read; |
| }; |
| struct ti81xxhdmi_phy_status { |
| unsigned int rst_done_pclk; |
| unsigned int rst_done_pwrclk; |
| unsigned int rst_done_scpclk; |
| unsigned int rst_done_refclk; |
| unsigned int dct_5v_short_clk; |
| unsigned int rx_detect; |
| unsigned int dct_5v_short_data; |
| }; |
| struct ti81xxhdmi_status { |
| unsigned int is_hpd_detected; |
| unsigned int is_hdmi_streaming; |
| }; |
| #endif /* End of #ifndef __TI81XXHDMI_H__ */ |
| |
