OMAPDSS: CEC: Adding HDMI CEC support

Adding CEC driver support in HDMI

Change-Id: Ia6a7d04b1df3a459ae435f8bec79219b2036dfa0
Signed-off-by: Muralidhar Dixit <murali.dixit@ti.com>

2 files changed, 234 insertions, 22 deletions

diff --git a/include/video/cec.h b/include/video/cec.h
new file mode 100644
index 0000000..6de35ea
--- /dev/null
+++ b/include/video/cec.h
@@ -0,0 +1,232 @@
+/*
+* linux/include/video/cec.h
+*
+* CEC Driver API file
+*
+* Copyright (C) 2012 Texas Instruments, Inc
+* Author: Muralidhar Dixit <murali.dixit@ti.com>
+*
+* 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/>.
+*/
+
+#ifndef _HDMI_CEC_H_
+#define _HDMI_CEC_H_
+
+#ifdef __KERNEL__
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/fs.h>
+
+#endif /* __KERNEL__ */
+struct cec_dev {
+	int device_id;
+	int clear_existing_device;
+	int phy_addr;
+};
+
+struct cec_tx_data {
+	char   dest_device_id;
+	char   initiator_device_id;
+	char   send_ping;
+	char   retry_count;
+	char   tx_cmd;
+	char   tx_count;
+	char   tx_operand[15];
+};
+
+struct cec_rx_data {
+	char   init_device_id;
+	char   dest_device_id;
+	char   rx_cmd;
+	char   rx_count;
+	char   rx_operand[15];
+};
+
+#ifdef __KERNEL__
+int cec_read_rx_cmd(struct cec_rx_data *rx_data);
+int cec_transmit_cmd(struct cec_tx_data *data, int *cmd_acked);
+int cec_ioctl_register_device(struct cec_dev *dev);
+int cec_enable_ui_event(int enable);
+#endif
+
+enum cec_command {
+	cec_cmd_u_feature_abort = 0x00,
+	cec_cmd_u_image_view_on = 0x04,
+	cec_cmd_u_record_on = 0x09,
+	cec_cmd_u_record_status = 0x0A,
+	cec_cmd_u_record_off = 0x0B,
+	cec_cmd_u_text_view_on = 0x0D,
+	cec_cmd_u_record_tv_screen = 0x0F,
+	cec_cmd_b_set_menu_language = 0x32,
+	cec_cmd_u_clear_analog_timer = 0x33,
+	cec_cmd_u_set_analog_timer = 0x34,
+	cec_cmd_u_timer_status = 0x35,
+	cec_cmd_b_u_standby = 0x36,
+	cec_cmd_u_play = 0x41,
+	cec_cmd_u_deck_control = 0x42,
+	cec_cmd_u_timer_cleared_status = 0x43,
+	cec_cmd_u_user_control_pressed = 0x44,
+	cec_cmd_u_user_control_released = 0x45,
+	cec_cmd_u_give_osd_name = 0x46,
+	cec_cmd_u_set_osd_name = 0x47,
+	cec_cmd_b_active_source = 0x82,
+	cec_cmd_u_give_physical_address = 0x83,
+	cec_cmd_b_report_physical_address = 0x84,
+	cec_cmd_b_request_active_source = 0x85,
+	cec_cmd_u_give_device_power_status = 0x8F,
+	cec_cmd_u_report_power_status = 0x90,
+	cec_cmd_u_cec_version = 0x9E,
+	cec_cmd_u_get_cec_version = 0x9F,
+	cec_cmd_u_abort = 0xFF,
+	cec_cmd_b_routing_change = 0x80,
+	cec_cmd_b_routing_info = 0x81,
+	cec_cmd_b_set_stream_path = 0x86,
+	cec_cmd_u_inactive_source = 0x9D,
+	cec_cmd_u_tuner_step_increment = 0x05,
+	cec_cmd_u_tuner_step_decrement = 0x06,
+	cec_cmd_u_tuner_device_status = 0x07,
+	cec_cmd_u_give_tuner_device_status = 0x08,
+	cec_cmd_u_give_deck_status = 0x1A,
+	cec_cmd_u_deck_status = 0x1B,
+	cec_cmd_u_clear_external_timer = 0xA1,
+	cec_cmd_u_set_external_timer = 0xA2,
+	cec_cmd_u_set_osd_string = 0x64,
+	cec_cmd_u_set_timer_program_title = 0x67,
+	cec_cmd_u_system_audio_mode_request = 0x70,
+	cec_cmd_u_give_audio_status = 0x71,
+	cec_cmd_b_u_set_system_audio_mode = 0x72,
+	cec_cmd_u_report_audio_status = 0x7A,
+	cec_cmd_u_give_system_audio_mode_status = 0x7D,
+	cec_cmd_u_system_audio_mode_status = 0x7E,
+	cec_cmd_b_device_verndor_id = 0x87,
+	cec_cmd_u_vendor_command = 0x89,
+	cec_cmd_u_B_vendor_remote_button_down = 0x8A,
+	cec_cmd_u_B_vendor_remote_button_up = 0x8B,
+	cec_cmd_u_give_device_vendor_id = 0x8C,
+	cec_cmd_u_menu_request = 0x8D,
+	cec_cmd_u_menu_status = 0x8E,
+	cec_cmd_u_get_menu_language = 0x91,
+	cec_cmd_u_select_analogue_service = 0x92,
+	cec_cmd_u_select_digital_service = 0x93,
+	cec_cmd_u_set_digital_timer = 0x97,
+	cec_cmd_u_clear_digital_timer = 0x99,
+	cec_cmd_u_set_audio_rate = 0x9A,
+	cec_cmd_u_B_vendor_comamnd_with_id = 0xA0
+};
+
+/* enum cec_ui_command
+*  operands that come with CEC commands
+*  cec_cmd_u_user_control_pressed
+*  cec_cmd_u_user_control_released
+*/
+enum cec_ui_command {
+	cec_ui_command_select = 0,
+	cec_ui_command_up =	0x01,
+	cec_ui_command_down = 0x02,
+	cec_ui_command_left = 0x03,
+	cec_ui_command_right = 0x04,
+	cec_ui_command_right_up = 0x05,
+	cec_ui_command_right_down = 0x06,
+	cec_ui_command_left_up = 0x07,
+	cec_ui_command_left_down = 0x08,
+	cec_ui_command_root_menu = 0x09,
+	cec_ui_command_setup_menu = 0x0a,
+	cec_ui_command_contents_menu = 0x0b,
+	cec_ui_command_fav_menu = 0x0c,
+	cec_ui_command_exit = 0x0d,
+	cec_ui_command_reserved1 = 0x0e,
+	cec_ui_command_reserved2 = 0x0f,
+	cec_ui_command_media_top_menu = 0x10,
+	cec_ui_command_media_context_sensitive_menu = 0x11,
+	cec_ui_command_reserved3 = 0x12,
+	cec_ui_command_reserved4 = 0x13,
+	cec_ui_command_num_entry_mode = 0x1d,
+	cec_ui_command_num_11 = 0x1e,
+	cec_ui_command_num_12 = 0x1f,
+	cec_ui_command_num_0_10 = 0x20,
+	cec_ui_command_num_1 = 0x21,
+	cec_ui_command_num_2 = 0x22,
+	cec_ui_command_num_3 = 0x23,
+	cec_ui_command_num_4 = 0x24,
+	cec_ui_command_num_5 = 0x25,
+	cec_ui_command_num_6 = 0x26,
+	cec_ui_command_num_7 = 0x27,
+	cec_ui_command_num_8 = 0x28,
+	cec_ui_command_num_9 = 0x29,
+	cec_ui_command_dot = 0x2a,
+	cec_ui_command_enter = 0x2b,
+	cec_ui_command_clear = 0x2c,
+	cec_ui_command_next_fav = 0x2f,
+	cec_ui_command_channel_up = 0x30,
+	cec_ui_command_channel_down = 0x31,
+	cec_ui_command_previous_channel = 0x32,
+	cec_ui_command_sound_select = 0x33,
+	cec_ui_command_input_select = 0x34,
+	cec_ui_command_display_information = 0x35,
+	cec_ui_command_help = 0x36,
+	cec_ui_command_page_up = 0x37,
+	cec_ui_command_page_down = 0x38,
+	cec_ui_command_power = 0x40,
+	cec_ui_command_volume_up = 0x41,
+	cec_ui_command_volume_down = 0x42,
+	cec_ui_command_mute = 0x43,
+	cec_ui_command_play = 0x44,
+	cec_ui_command_stop = 0x45,
+	cec_ui_command_pause = 0x46,
+	cec_ui_command_record = 0x47,
+	cec_ui_command_rewind = 0x48,
+	cec_ui_command_fast_forward = 0x49,
+	cec_ui_command_eject = 0x4a,
+	cec_ui_command_forward = 0x4b,
+	cec_ui_command_backward = 0x4c,
+	cec_ui_command_stop_record = 0x4d,
+	cec_ui_command_pause_record = 0x4e,
+	cec_ui_command_angle = 0x50,
+	cec_ui_command_sub_picture = 0x51,
+	cec_ui_command_video_on_demand = 0x52,
+	cec_ui_command_epg = 0x53,
+	cec_ui_command_timer_programming = 0x54,
+	cec_ui_command_initial_config = 0x55,
+	cec_ui_command_play_function = 0x60,
+	cec_ui_command_pause_play_function = 0x61,
+	cec_ui_command_record_function = 0x62,
+	cec_ui_command_pause_record_function = 0x63,
+	cec_ui_command_stop_function = 0x64,
+	cec_ui_command_mute_function = 0x65,
+	cec_ui_command_restore_vol_function = 0x66,
+	cec_ui_command_tune_function = 0x67,
+	cec_ui_command_select_media_function = 0x68,
+	cec_ui_command_select_av_input_function = 0x69,
+	cec_ui_command_select_audio_input_function = 0x6a,
+	cec_ui_command_power_toggle_function = 0x6b,
+	cec_ui_command_power_off_function = 0x6c,
+	cec_ui_command_power_on_function = 0x6d,
+	cec_ui_command_f1_blue = 0x71,
+	cec_ui_command_f2_red = 0x72,
+	cec_ui_command_f3_green = 0x73,
+	cec_ui_command_f4_yellow = 0x74,
+	cec_ui_command_f5 = 0x75,
+	cec_ui_command_data = 0x76
+};
+
+#define CEC_IOCTL_MAGIC 'c'
+#define CEC_REGISTER_DEVICE	  _IOWR(CEC_IOCTL_MAGIC, 0, \
+				struct cec_dev)
+#define CEC_TRANSMIT_CMD	  _IOWR(CEC_IOCTL_MAGIC, 1, \
+				struct cec_tx_data)
+#define CEC_RECV_CMD  _IOWR(CEC_IOCTL_MAGIC, 2, \
+				struct cec_rx_data)
+#define CEC_GET_PHY_ADDR _IOR(CEC_IOCTL_MAGIC, 3, int)
+
+#endif /* _CEC_H_ */
diff --git a/include/video/hdmi_ti_4xxx_ip.h b/include/video/hdmi_ti_4xxx_ip.h
index a6b61ee..8c521da 100644
--- a/include/video/hdmi_ti_4xxx_ip.h
+++ b/include/video/hdmi_ti_4xxx_ip.h
@@ -21,6 +21,8 @@
 #ifndef _HDMI_TI_4xxx_
 #define _HDMI_TI_4xxx_
 
+#include <video/cec.h>
+
 #define HDMI_HPD_LOW		0x10
 #define HDMI_HPD_HIGH		0x20
 #define HDMI_BCAP		0x40
@@ -368,28 +370,6 @@ enum hdmi_aksv_err {
 	HDMI_AKSV_ERROR = 1,
 	HDMI_AKSV_VALID = 2
 };
-struct cec_dev {
-	int device_id;
-	int clear_existing_device;
-	int phy_addr;
-};
-
-struct cec_tx_data {
-	char   dest_device_id;
-	char   initiator_device_id;
-	char   send_ping;
-	char   retry_count;
-	char   tx_cmd;
-	char   tx_count;
-	char   tx_operand[15];
-};
-struct cec_rx_data {
-	char   init_device_id;
-	char   dest_device_id;
-	char   rx_cmd;
-	char   rx_count;
-	char   rx_operand[15];
-};
 
 
 int hdmi_ti_4xxx_phy_init(struct hdmi_ip_data *ip_data);