cx25840-core.h 4.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
  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. #ifndef _CX25840_CORE_H_
  20. #define _CX25840_CORE_H_
  21. #include <linux/videodev2.h>
  22. #include <media/v4l2-device.h>
  23. #include <media/v4l2-chip-ident.h>
  24. #include <media/v4l2-ctrls.h>
  25. #include <linux/i2c.h>
  26. struct cx25840_ir_state;
  27. struct cx25840_state {
  28. struct i2c_client *c;
  29. struct v4l2_subdev sd;
  30. struct v4l2_ctrl_handler hdl;
  31. struct {
  32. /* volume cluster */
  33. struct v4l2_ctrl *volume;
  34. struct v4l2_ctrl *mute;
  35. };
  36. int pvr150_workaround;
  37. int radio;
  38. v4l2_std_id std;
  39. enum cx25840_video_input vid_input;
  40. enum cx25840_audio_input aud_input;
  41. u32 audclk_freq;
  42. int audmode;
  43. int vbi_line_offset;
  44. u32 id;
  45. u32 rev;
  46. int is_initialized;
  47. wait_queue_head_t fw_wait; /* wake up when the fw load is finished */
  48. struct work_struct fw_work; /* work entry for fw load */
  49. struct cx25840_ir_state *ir_state;
  50. };
  51. static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
  52. {
  53. return container_of(sd, struct cx25840_state, sd);
  54. }
  55. static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
  56. {
  57. return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
  58. }
  59. static inline bool is_cx2583x(struct cx25840_state *state)
  60. {
  61. return state->id == V4L2_IDENT_CX25836 ||
  62. state->id == V4L2_IDENT_CX25837;
  63. }
  64. static inline bool is_cx231xx(struct cx25840_state *state)
  65. {
  66. return state->id == V4L2_IDENT_CX2310X_AV;
  67. }
  68. static inline bool is_cx2388x(struct cx25840_state *state)
  69. {
  70. return state->id == V4L2_IDENT_CX23885_AV ||
  71. state->id == V4L2_IDENT_CX23887_AV ||
  72. state->id == V4L2_IDENT_CX23888_AV;
  73. }
  74. static inline bool is_cx23885(struct cx25840_state *state)
  75. {
  76. return state->id == V4L2_IDENT_CX23885_AV;
  77. }
  78. static inline bool is_cx23887(struct cx25840_state *state)
  79. {
  80. return state->id == V4L2_IDENT_CX23887_AV;
  81. }
  82. static inline bool is_cx23888(struct cx25840_state *state)
  83. {
  84. return state->id == V4L2_IDENT_CX23888_AV;
  85. }
  86. /* ----------------------------------------------------------------------- */
  87. /* cx25850-core.c */
  88. int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
  89. int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
  90. u8 cx25840_read(struct i2c_client *client, u16 addr);
  91. u32 cx25840_read4(struct i2c_client *client, u16 addr);
  92. int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
  93. int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
  94. u32 or_value);
  95. void cx25840_std_setup(struct i2c_client *client);
  96. /* ----------------------------------------------------------------------- */
  97. /* cx25850-firmware.c */
  98. int cx25840_loadfw(struct i2c_client *client);
  99. /* ----------------------------------------------------------------------- */
  100. /* cx25850-audio.c */
  101. void cx25840_audio_set_path(struct i2c_client *client);
  102. int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
  103. extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
  104. /* ----------------------------------------------------------------------- */
  105. /* cx25850-vbi.c */
  106. int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
  107. int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
  108. int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
  109. int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
  110. /* ----------------------------------------------------------------------- */
  111. /* cx25850-ir.c */
  112. extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
  113. int cx25840_ir_log_status(struct v4l2_subdev *sd);
  114. int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
  115. int cx25840_ir_probe(struct v4l2_subdev *sd);
  116. int cx25840_ir_remove(struct v4l2_subdev *sd);
  117. #endif