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Diffstat (limited to 'drivers/media/video/em28xx/em28xx.h')
-rw-r--r--drivers/media/video/em28xx/em28xx.h318
1 files changed, 180 insertions, 138 deletions
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 04e0e48ecab..002f170b211 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -26,11 +26,39 @@
#define _EM28XX_H
#include <linux/videodev2.h>
+#include <media/videobuf-vmalloc.h>
+
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <media/ir-kbd-i2c.h>
-
-#define UNSET -1
+#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
+#include <media/videobuf-dvb.h>
+#endif
+#include "tuner-xc2028.h"
+#include "em28xx-reg.h"
+
+/* Boards supported by driver */
+#define EM2800_BOARD_UNKNOWN 0
+#define EM2820_BOARD_UNKNOWN 1
+#define EM2820_BOARD_TERRATEC_CINERGY_250 2
+#define EM2820_BOARD_PINNACLE_USB_2 3
+#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
+#define EM2820_BOARD_MSI_VOX_USB_2 5
+#define EM2800_BOARD_TERRATEC_CINERGY_200 6
+#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
+#define EM2800_BOARD_KWORLD_USB2800 8
+#define EM2820_BOARD_PINNACLE_DVC_90 9
+#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
+#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
+#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
+#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
+#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
+#define EM2800_BOARD_VGEAR_POCKETTV 15
+#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 16
+
+/* Limits minimum and default number of buffers */
+#define EM28XX_MIN_BUF 4
+#define EM28XX_DEF_BUF 8
/* maximum number of em28xx boards */
#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
@@ -81,31 +109,78 @@
/* time in msecs to wait for i2c writes to finish */
#define EM2800_I2C_WRITE_TIMEOUT 20
-/* the various frame states */
-enum em28xx_frame_state {
- F_UNUSED = 0,
- F_QUEUED,
- F_GRABBING,
- F_DONE,
- F_ERROR,
+enum em28xx_mode {
+ EM28XX_MODE_UNDEFINED,
+ EM28XX_ANALOG_MODE,
+ EM28XX_DIGITAL_MODE,
};
-/* stream states */
enum em28xx_stream_state {
STREAM_OFF,
STREAM_INTERRUPT,
STREAM_ON,
};
-/* frames */
-struct em28xx_frame_t {
- void *bufmem;
- struct v4l2_buffer buf;
- enum em28xx_frame_state state;
+struct em28xx;
+
+struct em28xx_usb_isoc_ctl {
+ /* max packet size of isoc transaction */
+ int max_pkt_size;
+
+ /* number of allocated urbs */
+ int num_bufs;
+
+ /* urb for isoc transfers */
+ struct urb **urb;
+
+ /* transfer buffers for isoc transfer */
+ char **transfer_buffer;
+
+ /* Last buffer command and region */
+ u8 cmd;
+ int pos, size, pktsize;
+
+ /* Last field: ODD or EVEN? */
+ int field;
+
+ /* Stores incomplete commands */
+ u32 tmp_buf;
+ int tmp_buf_len;
+
+ /* Stores already requested buffers */
+ struct em28xx_buffer *buf;
+
+ /* Stores the number of received fields */
+ int nfields;
+
+ /* isoc urb callback */
+ int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
+
+};
+
+struct em28xx_fmt {
+ char *name;
+ u32 fourcc; /* v4l2 format id */
+};
+
+/* buffer for one video frame */
+struct em28xx_buffer {
+ /* common v4l buffer stuff -- must be first */
+ struct videobuf_buffer vb;
+
struct list_head frame;
- unsigned long vma_use_count;
int top_field;
- int fieldbytesused;
+ int receiving;
+};
+
+struct em28xx_dmaqueue {
+ struct list_head active;
+ struct list_head queued;
+
+ wait_queue_head_t wq;
+
+ /* Counters to control buffer fill */
+ int pos;
};
/* io methods */
@@ -152,6 +227,12 @@ enum em28xx_decoder {
EM28XX_SAA7114
};
+struct em28xx_reg_seq {
+ int reg;
+ unsigned char val, mask;
+ int sleep;
+};
+
struct em28xx_board {
char *name;
int vchannels;
@@ -165,8 +246,7 @@ struct em28xx_board {
unsigned int mts_firmware:1;
unsigned int has_12mhz_i2s:1;
unsigned int max_range_640_480:1;
-
- unsigned int analog_gpio;
+ unsigned int has_dvb:1;
enum em28xx_decoder decoder;
@@ -199,7 +279,10 @@ enum em28xx_dev_state {
#define EM28XX_NUM_AUDIO_PACKETS 64
#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
#define EM28XX_CAPTURE_STREAM_EN 1
+
+/* em28xx extensions */
#define EM28XX_AUDIO 0x10
+#define EM28XX_DVB 0x20
struct em28xx_audio {
char name[50];
@@ -217,13 +300,24 @@ struct em28xx_audio {
spinlock_t slock;
};
+struct em28xx;
+
+struct em28xx_fh {
+ struct em28xx *dev;
+ unsigned int stream_on:1; /* Locks streams */
+ int radio;
+
+ struct videobuf_queue vb_vidq;
+
+ enum v4l2_buf_type type;
+};
+
/* main device struct */
struct em28xx {
/* generic device properties */
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
- unsigned int analog_gpio;
unsigned int is_em2800:1;
unsigned int has_msp34xx:1;
unsigned int has_tda9887:1;
@@ -231,6 +325,16 @@ struct em28xx {
unsigned int has_audio_class:1;
unsigned int has_12mhz_i2s:1;
unsigned int max_range_640_480:1;
+ unsigned int has_dvb:1;
+
+ /* Some older em28xx chips needs a waiting time after writing */
+ unsigned int wait_after_write;
+
+ /* GPIO sequences for analog and digital mode */
+ struct em28xx_reg_seq *analog_gpio, *digital_gpio;
+
+ /* GPIO sequences for tuner callbacks */
+ struct em28xx_reg_seq *tun_analog_gpio, *tun_digital_gpio;
int video_inputs; /* number of video inputs */
struct list_head devlist;
@@ -255,36 +359,28 @@ struct em28xx {
int mute;
int volume;
/* frame properties */
- struct em28xx_frame_t frame[EM28XX_NUM_FRAMES]; /* list of frames */
- int num_frames; /* number of frames currently in use */
- unsigned int frame_count; /* total number of transfered frames */
- struct em28xx_frame_t *frame_current; /* the frame that is being filled */
int width; /* current frame width */
int height; /* current frame height */
- int frame_size; /* current frame size */
- int field_size; /* current field size */
- int bytesperline;
int hscale; /* horizontal scale factor (see datasheet) */
int vscale; /* vertical scale factor (see datasheet) */
int interlaced; /* 1=interlace fileds, 0=just top fileds */
- int type;
unsigned int video_bytesread; /* Number of bytes read */
unsigned long hash; /* eeprom hash - for boards with generic ID */
- unsigned long i2c_hash; /* i2c devicelist hash - for boards with generic ID */
+ unsigned long i2c_hash; /* i2c devicelist hash -
+ for boards with generic ID */
struct em28xx_audio *adev;
/* states */
enum em28xx_dev_state state;
- enum em28xx_stream_state stream;
enum em28xx_io_method io;
struct work_struct request_module_wk;
/* locks */
struct mutex lock;
- spinlock_t queue_lock;
+ /* spinlock_t queue_lock; */
struct list_head inqueue, outqueue;
wait_queue_head_t open, wait_frame, wait_stream;
struct video_device *vbi_dev;
@@ -292,6 +388,11 @@ struct em28xx {
unsigned char eedata[256];
+ /* Isoc control struct */
+ struct em28xx_dmaqueue vidq;
+ struct em28xx_usb_isoc_ctl isoc_ctl;
+ spinlock_t slock;
+
/* usb transfer */
struct usb_device *udev; /* the usb device */
int alt; /* alternate */
@@ -301,20 +402,21 @@ struct em28xx {
struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */
char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */
/* helper funcs that call usb_control_msg */
- int (*em28xx_write_regs) (struct em28xx * dev, u16 reg, char *buf,
- int len);
- int (*em28xx_read_reg) (struct em28xx * dev, u16 reg);
- int (*em28xx_read_reg_req_len) (struct em28xx * dev, u8 req, u16 reg,
+ int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
char *buf, int len);
- int (*em28xx_write_regs_req) (struct em28xx * dev, u8 req, u16 reg,
+ int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
+ int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
+ char *buf, int len);
+ int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
char *buf, int len);
- int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg);
-};
+ int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
-struct em28xx_fh {
- struct em28xx *dev;
- unsigned int stream_on:1; /* Locks streams */
- int radio;
+ enum em28xx_mode mode;
+
+ /* Caches GPO and GPIO registers */
+ unsigned char reg_gpo, reg_gpio;
+
+ struct em28xx_dvb *dvb;
};
struct em28xx_ops {
@@ -351,22 +453,27 @@ int em28xx_colorlevels_set_default(struct em28xx *dev);
int em28xx_capture_start(struct em28xx *dev, int start);
int em28xx_outfmt_set_yuv422(struct em28xx *dev);
int em28xx_resolution_set(struct em28xx *dev);
-int em28xx_init_isoc(struct em28xx *dev);
-void em28xx_uninit_isoc(struct em28xx *dev);
int em28xx_set_alternate(struct em28xx *dev);
+int em28xx_init_isoc(struct em28xx *dev, int max_packets,
+ int num_bufs, int max_pkt_size,
+ int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
+void em28xx_uninit_isoc(struct em28xx *dev);
+int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
+int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
/* Provided by em28xx-video.c */
int em28xx_register_extension(struct em28xx_ops *dev);
void em28xx_unregister_extension(struct em28xx_ops *dev);
/* Provided by em28xx-cards.c */
-extern int em2800_variant_detect(struct usb_device* udev,int model);
+extern int em2800_variant_detect(struct usb_device *udev, int model);
extern void em28xx_pre_card_setup(struct em28xx *dev);
extern void em28xx_card_setup(struct em28xx *dev);
extern struct em28xx_board em28xx_boards[];
extern struct usb_device_id em28xx_id_table[];
extern const unsigned int em28xx_bcount;
void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir);
+int em28xx_tuner_callback(void *ptr, int command, int arg);
/* Provided by em28xx-input.c */
/* TODO: Check if the standard get_key handlers on ir-common can be used */
@@ -375,71 +482,6 @@ int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
u32 *ir_raw);
-/* em2800 registers */
-#define EM2800_AUDIOSRC_REG 0x08
-
-/* em28xx registers */
-#define I2C_CLK_REG 0x06
-#define CHIPID_REG 0x0a
-#define USBSUSP_REG 0x0c /* */
-
-#define AUDIOSRC_REG 0x0e
-#define XCLK_REG 0x0f
-
-#define VINMODE_REG 0x10
-#define VINCTRL_REG 0x11
-#define VINENABLE_REG 0x12 /* */
-
-#define GAMMA_REG 0x14
-#define RGAIN_REG 0x15
-#define GGAIN_REG 0x16
-#define BGAIN_REG 0x17
-#define ROFFSET_REG 0x18
-#define GOFFSET_REG 0x19
-#define BOFFSET_REG 0x1a
-
-#define OFLOW_REG 0x1b
-#define HSTART_REG 0x1c
-#define VSTART_REG 0x1d
-#define CWIDTH_REG 0x1e
-#define CHEIGHT_REG 0x1f
-
-#define YGAIN_REG 0x20
-#define YOFFSET_REG 0x21
-#define UVGAIN_REG 0x22
-#define UOFFSET_REG 0x23
-#define VOFFSET_REG 0x24
-#define SHARPNESS_REG 0x25
-
-#define COMPR_REG 0x26
-#define OUTFMT_REG 0x27
-
-#define XMIN_REG 0x28
-#define XMAX_REG 0x29
-#define YMIN_REG 0x2a
-#define YMAX_REG 0x2b
-
-#define HSCALELOW_REG 0x30
-#define HSCALEHIGH_REG 0x31
-#define VSCALELOW_REG 0x32
-#define VSCALEHIGH_REG 0x33
-
-#define AC97LSB_REG 0x40
-#define AC97MSB_REG 0x41
-#define AC97ADDR_REG 0x42
-#define AC97BUSY_REG 0x43
-
-/* em202 registers */
-#define MASTER_AC97 0x02
-#define LINE_IN_AC97 0x10
-#define VIDEO_AC97 0x14
-
-/* register settings */
-#define EM2800_AUDIO_SRC_TUNER 0x0d
-#define EM2800_AUDIO_SRC_LINE 0x0c
-#define EM28XX_AUDIO_SRC_TUNER 0xc0
-#define EM28XX_AUDIO_SRC_LINE 0x80
-
/* printk macros */
#define em28xx_err(fmt, arg...) do {\
@@ -456,80 +498,80 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
printk(KERN_WARNING "%s: "fmt,\
dev->name , ##arg); } while (0)
-inline static int em28xx_compression_disable(struct em28xx *dev)
+static inline int em28xx_compression_disable(struct em28xx *dev)
{
/* side effect of disabling scaler and mixer */
- return em28xx_write_regs(dev, COMPR_REG, "\x00", 1);
+ return em28xx_write_regs(dev, EM28XX_R26_COMPR, "\x00", 1);
}
-inline static int em28xx_contrast_get(struct em28xx *dev)
+static inline int em28xx_contrast_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, YGAIN_REG) & 0x1f;
+ return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
}
-inline static int em28xx_brightness_get(struct em28xx *dev)
+static inline int em28xx_brightness_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, YOFFSET_REG);
+ return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
}
-inline static int em28xx_saturation_get(struct em28xx *dev)
+static inline int em28xx_saturation_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, UVGAIN_REG) & 0x1f;
+ return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
}
-inline static int em28xx_u_balance_get(struct em28xx *dev)
+static inline int em28xx_u_balance_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, UOFFSET_REG);
+ return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
}
-inline static int em28xx_v_balance_get(struct em28xx *dev)
+static inline int em28xx_v_balance_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, VOFFSET_REG);
+ return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
}
-inline static int em28xx_gamma_get(struct em28xx *dev)
+static inline int em28xx_gamma_get(struct em28xx *dev)
{
- return em28xx_read_reg(dev, GAMMA_REG) & 0x3f;
+ return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
}
-inline static int em28xx_contrast_set(struct em28xx *dev, s32 val)
+static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, YGAIN_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
}
-inline static int em28xx_brightness_set(struct em28xx *dev, s32 val)
+static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, YOFFSET_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
}
-inline static int em28xx_saturation_set(struct em28xx *dev, s32 val)
+static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, UVGAIN_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
}
-inline static int em28xx_u_balance_set(struct em28xx *dev, s32 val)
+static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, UOFFSET_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
}
-inline static int em28xx_v_balance_set(struct em28xx *dev, s32 val)
+static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, VOFFSET_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
}
-inline static int em28xx_gamma_set(struct em28xx *dev, s32 val)
+static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
- return em28xx_write_regs(dev, GAMMA_REG, &tmp, 1);
+ return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
}
/*FIXME: maxw should be dependent of alt mode */
-inline static unsigned int norm_maxw(struct em28xx *dev)
+static inline unsigned int norm_maxw(struct em28xx *dev)
{
if (dev->max_range_640_480)
return 640;
@@ -537,7 +579,7 @@ inline static unsigned int norm_maxw(struct em28xx *dev)
return 720;
}
-inline static unsigned int norm_maxh(struct em28xx *dev)
+static inline unsigned int norm_maxh(struct em28xx *dev)
{
if (dev->max_range_640_480)
return 480;