/drivers/media/video/cx25840/cx25840-core.h

  1/* cx25840 internal API header
  2 *
  3 * Copyright (C) 2003-2004 Chris Kennedy
  4 *
  5 * This program is free software; you can redistribute it and/or
  6 * modify it under the terms of the GNU General Public License
  7 * as published by the Free Software Foundation; either version 2
  8 * of the License, or (at your option) any later version.
  9 *
 10 * This program is distributed in the hope that it will be useful,
 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13 * GNU General Public License for more details.
 14 *
 15 * You should have received a copy of the GNU General Public License
 16 * along with this program; if not, write to the Free Software
 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 18 */
 19
 20#ifndef _CX25840_CORE_H_
 21#define _CX25840_CORE_H_
 22
 23
 24#include <linux/videodev2.h>
 25#include <media/v4l2-device.h>
 26#include <media/v4l2-chip-ident.h>
 27#include <media/v4l2-ctrls.h>
 28#include <linux/i2c.h>
 29
 30struct cx25840_ir_state;
 31
 32struct cx25840_state {
 33	struct i2c_client *c;
 34	struct v4l2_subdev sd;
 35	struct v4l2_ctrl_handler hdl;
 36	struct {
 37		/* volume cluster */
 38		struct v4l2_ctrl *volume;
 39		struct v4l2_ctrl *mute;
 40	};
 41	int pvr150_workaround;
 42	int radio;
 43	v4l2_std_id std;
 44	enum cx25840_video_input vid_input;
 45	enum cx25840_audio_input aud_input;
 46	u32 audclk_freq;
 47	int audmode;
 48	int vbi_line_offset;
 49	u32 id;
 50	u32 rev;
 51	int is_initialized;
 52	wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
 53	struct work_struct fw_work;   /* work entry for fw load */
 54	struct cx25840_ir_state *ir_state;
 55};
 56
 57static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
 58{
 59	return container_of(sd, struct cx25840_state, sd);
 60}
 61
 62static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
 63{
 64	return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
 65}
 66
 67static inline bool is_cx2583x(struct cx25840_state *state)
 68{
 69	return state->id == V4L2_IDENT_CX25836 ||
 70	       state->id == V4L2_IDENT_CX25837;
 71}
 72
 73static inline bool is_cx231xx(struct cx25840_state *state)
 74{
 75	return state->id == V4L2_IDENT_CX2310X_AV;
 76}
 77
 78static inline bool is_cx2388x(struct cx25840_state *state)
 79{
 80	return state->id == V4L2_IDENT_CX23885_AV ||
 81	       state->id == V4L2_IDENT_CX23887_AV ||
 82	       state->id == V4L2_IDENT_CX23888_AV;
 83}
 84
 85static inline bool is_cx23885(struct cx25840_state *state)
 86{
 87	return state->id == V4L2_IDENT_CX23885_AV;
 88}
 89
 90static inline bool is_cx23887(struct cx25840_state *state)
 91{
 92	return state->id == V4L2_IDENT_CX23887_AV;
 93}
 94
 95static inline bool is_cx23888(struct cx25840_state *state)
 96{
 97	return state->id == V4L2_IDENT_CX23888_AV;
 98}
 99
100/* ----------------------------------------------------------------------- */
101/* cx25850-core.c 							   */
102int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
103int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
104u8 cx25840_read(struct i2c_client *client, u16 addr);
105u32 cx25840_read4(struct i2c_client *client, u16 addr);
106int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
107int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
108		    u32 or_value);
109void cx25840_std_setup(struct i2c_client *client);
110
111/* ----------------------------------------------------------------------- */
112/* cx25850-firmware.c                                                      */
113int cx25840_loadfw(struct i2c_client *client);
114
115/* ----------------------------------------------------------------------- */
116/* cx25850-audio.c                                                         */
117void cx25840_audio_set_path(struct i2c_client *client);
118int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
119
120extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
121
122/* ----------------------------------------------------------------------- */
123/* cx25850-vbi.c                                                           */
124int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
125int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
126int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
127int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
128
129/* ----------------------------------------------------------------------- */
130/* cx25850-ir.c                                                            */
131extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
132int cx25840_ir_log_status(struct v4l2_subdev *sd);
133int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
134int cx25840_ir_probe(struct v4l2_subdev *sd);
135int cx25840_ir_remove(struct v4l2_subdev *sd);
136
137#endif