Staging: add the go7007 video driver
Todo:
- checkpatch.pl cleanups
- sparse cleanups
- lots of little modules, should be merged together
and added to the build.
- testing?
- handle churn in v4l layer.
Many thanks to Ross Cohen <rcohen@snurgle.org> for cleanup patches on
this driver.
Cc: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/go7007/go7007-priv.h b/drivers/staging/go7007/go7007-priv.h
new file mode 100644
index 0000000..005542d
--- /dev/null
+++ b/drivers/staging/go7007/go7007-priv.h
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+/*
+ * This is the private include file for the go7007 driver. It should not
+ * be included by anybody but the driver itself, and especially not by
+ * user-space applications.
+ */
+
+struct go7007;
+
+/* IDs to activate board-specific support code */
+#define GO7007_BOARDID_MATRIX_II 0
+#define GO7007_BOARDID_MATRIX_RELOAD 1
+#define GO7007_BOARDID_STAR_TREK 2
+#define GO7007_BOARDID_PCI_VOYAGER 3
+#define GO7007_BOARDID_XMEN 4
+#define GO7007_BOARDID_XMEN_II 5
+#define GO7007_BOARDID_XMEN_III 6
+#define GO7007_BOARDID_MATRIX_REV 7
+#define GO7007_BOARDID_PX_M402U 16
+#define GO7007_BOARDID_PX_TV402U_ANY 17 /* need to check tuner model */
+#define GO7007_BOARDID_PX_TV402U_NA 18 /* detected NTSC tuner */
+#define GO7007_BOARDID_PX_TV402U_EU 19 /* detected PAL tuner */
+#define GO7007_BOARDID_PX_TV402U_JP 20 /* detected NTSC-J tuner */
+#define GO7007_BOARDID_LIFEVIEW_LR192 21 /* TV Walker Ultra */
+#define GO7007_BOARDID_ENDURA 22
+#define GO7007_BOARDID_ADLINK_MPG24 23
+
+/* Various characteristics of each board */
+#define GO7007_BOARD_HAS_AUDIO (1<<0)
+#define GO7007_BOARD_USE_ONBOARD_I2C (1<<1)
+#define GO7007_BOARD_HAS_TUNER (1<<2)
+
+/* Characteristics of sensor devices */
+#define GO7007_SENSOR_VALID_POLAR (1<<0)
+#define GO7007_SENSOR_HREF_POLAR (1<<1)
+#define GO7007_SENSOR_VREF_POLAR (1<<2)
+#define GO7007_SENSOR_FIELD_ID_POLAR (1<<3)
+#define GO7007_SENSOR_BIT_WIDTH (1<<4)
+#define GO7007_SENSOR_VALID_ENABLE (1<<5)
+#define GO7007_SENSOR_656 (1<<6)
+#define GO7007_SENSOR_CONFIG_MASK 0x7f
+#define GO7007_SENSOR_TV (1<<7)
+#define GO7007_SENSOR_VBI (1<<8)
+#define GO7007_SENSOR_SCALING (1<<9)
+
+/* Characteristics of audio sensor devices */
+#define GO7007_AUDIO_I2S_MODE_1 (1)
+#define GO7007_AUDIO_I2S_MODE_2 (2)
+#define GO7007_AUDIO_I2S_MODE_3 (3)
+#define GO7007_AUDIO_BCLK_POLAR (1<<2)
+#define GO7007_AUDIO_WORD_14 (14<<4)
+#define GO7007_AUDIO_WORD_16 (16<<4)
+#define GO7007_AUDIO_ONE_CHANNEL (1<<11)
+#define GO7007_AUDIO_I2S_MASTER (1<<16)
+#define GO7007_AUDIO_OKI_MODE (1<<17)
+
+struct go7007_board_info {
+ char *firmware;
+ unsigned int flags;
+ int hpi_buffer_cap;
+ unsigned int sensor_flags;
+ int sensor_width;
+ int sensor_height;
+ int sensor_framerate;
+ int sensor_h_offset;
+ int sensor_v_offset;
+ unsigned int audio_flags;
+ int audio_rate;
+ int audio_bclk_div;
+ int audio_main_div;
+ int num_i2c_devs;
+ struct {
+ int id;
+ int addr;
+ } i2c_devs[4];
+ int num_inputs;
+ struct {
+ int video_input;
+ int audio_input;
+ char *name;
+ } inputs[4];
+};
+
+struct go7007_hpi_ops {
+ int (*interface_reset)(struct go7007 *go);
+ int (*write_interrupt)(struct go7007 *go, int addr, int data);
+ int (*read_interrupt)(struct go7007 *go);
+ int (*stream_start)(struct go7007 *go);
+ int (*stream_stop)(struct go7007 *go);
+ int (*send_firmware)(struct go7007 *go, u8 *data, int len);
+};
+
+/* The video buffer size must be a multiple of PAGE_SIZE */
+#define GO7007_BUF_PAGES (128 * 1024 / PAGE_SIZE)
+#define GO7007_BUF_SIZE (GO7007_BUF_PAGES << PAGE_SHIFT)
+
+struct go7007_buffer {
+ struct go7007 *go; /* Reverse reference for VMA ops */
+ int index; /* Reverse reference for DQBUF */
+ enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state;
+ u32 seq;
+ struct timeval timestamp;
+ struct list_head stream;
+ struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */
+ unsigned long user_addr;
+ unsigned int page_count;
+ unsigned int offset;
+ unsigned int bytesused;
+ unsigned int frame_offset;
+ u32 modet_active;
+ int mapped;
+};
+
+struct go7007_file {
+ struct go7007 *go;
+ struct semaphore lock;
+ int buf_count;
+ struct go7007_buffer *bufs;
+};
+
+#define GO7007_FORMAT_MJPEG 0
+#define GO7007_FORMAT_MPEG4 1
+#define GO7007_FORMAT_MPEG1 2
+#define GO7007_FORMAT_MPEG2 3
+#define GO7007_FORMAT_H263 4
+
+#define GO7007_RATIO_1_1 0
+#define GO7007_RATIO_4_3 1
+#define GO7007_RATIO_16_9 2
+
+enum go7007_parser_state {
+ STATE_DATA,
+ STATE_00,
+ STATE_00_00,
+ STATE_00_00_01,
+ STATE_FF,
+ STATE_VBI_LEN_A,
+ STATE_VBI_LEN_B,
+ STATE_MODET_MAP,
+ STATE_UNPARSED,
+};
+
+struct go7007 {
+ struct device *dev;
+ struct go7007_board_info *board_info;
+ unsigned int board_id;
+ int tuner_type;
+ int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
+ char name[64];
+ struct video_device *video_dev;
+ int ref_count;
+ enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
+ spinlock_t spinlock;
+ struct semaphore hw_lock;
+ int streaming;
+ int in_use;
+ int audio_enabled;
+
+ /* Video input */
+ int input;
+ enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
+ int sensor_framerate;
+ int width;
+ int height;
+ int encoder_h_offset;
+ int encoder_v_offset;
+ unsigned int encoder_h_halve:1;
+ unsigned int encoder_v_halve:1;
+ unsigned int encoder_subsample:1;
+
+ /* Encoder config */
+ int format;
+ int bitrate;
+ int fps_scale;
+ int pali;
+ int aspect_ratio;
+ int gop_size;
+ unsigned int ipb:1;
+ unsigned int closed_gop:1;
+ unsigned int repeat_seqhead:1;
+ unsigned int seq_header_enable:1;
+ unsigned int gop_header_enable:1;
+ unsigned int dvd_mode:1;
+ unsigned int interlace_coding:1;
+
+ /* Motion detection */
+ unsigned int modet_enable:1;
+ struct {
+ unsigned int enable:1;
+ int pixel_threshold;
+ int motion_threshold;
+ int mb_threshold;
+ } modet[4];
+ unsigned char modet_map[1624];
+ unsigned char active_map[216];
+
+ /* Video streaming */
+ struct go7007_buffer *active_buf;
+ enum go7007_parser_state state;
+ int parse_length;
+ u16 modet_word;
+ int seen_frame;
+ u32 next_seq;
+ struct list_head stream;
+ wait_queue_head_t frame_waitq;
+
+ /* Audio streaming */
+ void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
+ void *snd_context;
+
+ /* I2C */
+ int i2c_adapter_online;
+ struct i2c_adapter i2c_adapter;
+
+ /* HPI driver */
+ struct go7007_hpi_ops *hpi_ops;
+ void *hpi_context;
+ int interrupt_available;
+ wait_queue_head_t interrupt_waitq;
+ unsigned short interrupt_value;
+ unsigned short interrupt_data;
+};
+
+/* All of these must be called with the hpi_lock semaphore held! */
+#define go7007_interface_reset(go) \
+ ((go)->hpi_ops->interface_reset(go))
+#define go7007_write_interrupt(go, x, y) \
+ ((go)->hpi_ops->write_interrupt)((go), (x), (y))
+#define go7007_stream_start(go) \
+ ((go)->hpi_ops->stream_start(go))
+#define go7007_stream_stop(go) \
+ ((go)->hpi_ops->stream_stop(go))
+#define go7007_send_firmware(go, x, y) \
+ ((go)->hpi_ops->send_firmware)((go), (x), (y))
+#define go7007_write_addr(go, x, y) \
+ ((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
+
+/* go7007-driver.c */
+int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
+int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
+int go7007_boot_encoder(struct go7007 *go, int init_i2c);
+int go7007_reset_encoder(struct go7007 *go);
+int go7007_register_encoder(struct go7007 *go);
+int go7007_start_encoder(struct go7007 *go);
+void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
+struct go7007 *go7007_alloc(struct go7007_board_info *board,
+ struct device *dev);
+void go7007_remove(struct go7007 *go);
+
+/* go7007-fw.c */
+int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
+
+/* go7007-i2c.c */
+int go7007_i2c_init(struct go7007 *go);
+int go7007_i2c_remove(struct go7007 *go);
+
+/* go7007-v4l2.c */
+int go7007_v4l2_init(struct go7007 *go);
+void go7007_v4l2_remove(struct go7007 *go);
+
+/* snd-go7007.c */
+int go7007_snd_init(struct go7007 *go);
+int go7007_snd_remove(struct go7007 *go);