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提交 3acf2809 编写于 作者: M Mauro Carvalho Chehab 提交者： Linus Torvalds
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[PATCH] v4l: 886: renamed common structures to em28xx 

- Renamed common structures to em28xx
Signed-off-by: NMauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 e0ec29b7
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Showing with 686 addition and 685 deletion
drivers/media/video/em28xx/em28xx-cards.c
浏览文件 @ 3acf2809
......@@ -34,7 +34,7 @@
#include "em28xx.h"
struct em2820_board em2820_boards[] = {
struct em28xx_board em28xx_boards[] = {
[EM2800_BOARD_UNKNOWN] = {
.name = "Unknown EM2800 video grabber",
.is_em2800 = 1,
......@@ -42,13 +42,13 @@ struct em2820_board em2820_boards[] = {
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -60,13 +60,13 @@ struct em2820_board em2820_boards[] = {
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -78,17 +78,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 2,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -100,17 +100,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 2,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -122,15 +122,15 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_PHILIPS_FM1236_MK3,
.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
.has_tuner = 1,
.decoder = EM2820_TVP5150,
.decoder = EM28XX_TVP5150,
.has_msp34xx = 1,
/*FIXME: S-Video not tested */
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 0,
.amux = 0,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 2,
.amux = 1,
}},
......@@ -142,17 +142,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
.has_tuner = 1,
.decoder = EM2820_SAA7114,
.decoder = EM28XX_SAA7114,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 4,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -165,17 +165,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 2,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -188,17 +188,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 2,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -211,17 +211,17 @@ struct em2820_board em2820_boards[] = {
.tuner_type = TUNER_PHILIPS_ATSC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_TELEVISION,
.type = EM28XX_VMUX_TELEVISION,
.vmux = 2,
.amux = 0,
},{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
......@@ -231,22 +231,22 @@ struct em2820_board em2820_boards[] = {
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.has_tuner = 0,
.decoder = EM2820_SAA7113,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM2820_VMUX_COMPOSITE1,
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = 0,
.amux = 1,
},{
.type = EM2820_VMUX_SVIDEO,
.type = EM28XX_VMUX_SVIDEO,
.vmux = 9,
.amux = 1,
}},
},
};
const unsigned int em2820_bcount = ARRAY_SIZE(em2820_boards);
const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
/* table of devices that work with this driver */
struct usb_device_id em2820_id_table [] = {
struct usb_device_id em28xx_id_table [] = {
{ USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_MSI_VOX_USB_2 },
{ USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
......@@ -256,7 +256,7 @@ struct usb_device_id em2820_id_table [] = {
{ },
};
void em2820_card_setup(struct em2820 *dev)
void em28xx_card_setup(struct em28xx *dev)
{
/* request some modules */
if (dev->model == EM2820_BOARD_HAUPPAUGE_WINTV_USB_2) {
......@@ -274,14 +274,14 @@ void em2820_card_setup(struct em2820 *dev)
if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
dev->has_msp34xx=1;
} else dev->has_msp34xx=0;
em2820_write_regs_req(dev,0x06,0x00,"\x40",1);// Serial Bus Frequency Select Register
em2820_write_regs_req(dev,0x0f,0x00,"\x87",1);// XCLK Frequency Select Register
em2820_write_regs_req(dev,0x88,0x0d,"\xd0",1);
em28xx_write_regs_req(dev,0x06,0x00,"\x40",1);// Serial Bus Frequency Select Register
em28xx_write_regs_req(dev,0x0f,0x00,"\x87",1);// XCLK Frequency Select Register
em28xx_write_regs_req(dev,0x88,0x0d,"\xd0",1);
}
}
EXPORT_SYMBOL(em2820_boards);
EXPORT_SYMBOL(em2820_bcount);
EXPORT_SYMBOL(em2820_id_table);
EXPORT_SYMBOL(em28xx_boards);
EXPORT_SYMBOL(em28xx_bcount);
EXPORT_SYMBOL(em28xx_id_table);
MODULE_DEVICE_TABLE (usb, em2820_id_table);
MODULE_DEVICE_TABLE (usb, em28xx_id_table);
drivers/media/video/em28xx/em28xx-core.c
浏览文件 @ 3acf2809
/*
em2820-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
em28xx-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
Markus Rechberger <mrechberger@gmail.com>
......@@ -36,7 +36,7 @@ unsigned int core_debug;
module_param(core_debug,int,0644);
MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
#define em2820_coredbg(fmt, arg...) do {\
#define em28xx_coredbg(fmt, arg...) do {\
if (core_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __FUNCTION__ , ##arg); } while (0)
......@@ -45,7 +45,7 @@ unsigned int reg_debug;
module_param(reg_debug,int,0644);
MODULE_PARM_DESC(reg_debug,"enable debug messages [URB reg]");
#define em2820_regdbg(fmt, arg...) do {\
#define em28xx_regdbg(fmt, arg...) do {\
if (reg_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __FUNCTION__ , ##arg); } while (0)
......@@ -54,12 +54,12 @@ unsigned int isoc_debug;
module_param(isoc_debug,int,0644);
MODULE_PARM_DESC(isoc_debug,"enable debug messages [isoc transfers]");
#define em2820_isocdbg(fmt, arg...) do {\
#define em28xx_isocdbg(fmt, arg...) do {\
if (isoc_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __FUNCTION__ , ##arg); } while (0)
static int alt = EM2820_PINOUT;
static int alt = EM28XX_PINOUT;
module_param(alt, int, 0644);
MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
......@@ -88,7 +88,7 @@ static const char *v4l2_ioctls[] = {
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
void em2820_print_ioctl(char *name, unsigned int cmd)
void em28xx_print_ioctl(char *name, unsigned int cmd)
{
char *dir;
......@@ -159,17 +159,17 @@ static void rvfree(void *mem, size_t size)
}
/*
* em2820_request_buffers()
* em28xx_request_buffers()
* allocate a number of buffers
*/
u32 em2820_request_buffers(struct em2820 *dev, u32 count)
u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
{
const size_t imagesize = PAGE_ALIGN(dev->frame_size); /*needs to be page aligned cause the buffers can be mapped individually! */
void *buff = NULL;
u32 i;
em2820_coredbg("requested %i buffers with size %i", count, imagesize);
if (count > EM2820_NUM_FRAMES)
count = EM2820_NUM_FRAMES;
em28xx_coredbg("requested %i buffers with size %i", count, imagesize);
if (count > EM28XX_NUM_FRAMES)
count = EM28XX_NUM_FRAMES;
dev->num_frames = count;
while (dev->num_frames > 0) {
......@@ -193,10 +193,10 @@ u32 em2820_request_buffers(struct em2820 *dev, u32 count)
}
/*
* em2820_queue_unusedframes()
* em28xx_queue_unusedframes()
* add all frames that are not currently in use to the inbuffer queue
*/
void em2820_queue_unusedframes(struct em2820 *dev)
void em28xx_queue_unusedframes(struct em28xx *dev)
{
unsigned long lock_flags;
u32 i;
......@@ -211,10 +211,10 @@ void em2820_queue_unusedframes(struct em2820 *dev)
}
/*
* em2820_release_buffers()
* em28xx_release_buffers()
* free frame buffers
*/
void em2820_release_buffers(struct em2820 *dev)
void em28xx_release_buffers(struct em28xx *dev)
{
if (dev->num_frames) {
rvfree(dev->frame[0].bufmem,
......@@ -224,15 +224,15 @@ void em2820_release_buffers(struct em2820 *dev)
}
/*
* em2820_read_reg_req()
* em28xx_read_reg_req()
* reads data from the usb device specifying bRequest
*/
int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
char *buf, int len)
{
int ret, byte;
em2820_regdbg("req=%02x, reg=%02x ", req, reg);
em28xx_regdbg("req=%02x, reg=%02x ", req, reg);
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
......@@ -250,15 +250,15 @@ int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
}
/*
* em2820_read_reg_req()
* em28xx_read_reg_req()
* reads data from the usb device specifying bRequest
*/
int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg)
int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg)
{
u8 val;
int ret;
em2820_regdbg("req=%02x, reg=%02x:", req, reg);
em28xx_regdbg("req=%02x, reg=%02x:", req, reg);
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
......@@ -273,16 +273,16 @@ int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg)
return val;
}
int em2820_read_reg(struct em2820 *dev, u16 reg)
int em28xx_read_reg(struct em28xx *dev, u16 reg)
{
return em2820_read_reg_req(dev, USB_REQ_GET_STATUS, reg);
return em28xx_read_reg_req(dev, USB_REQ_GET_STATUS, reg);
}
/*
* em2820_write_regs_req()
* em28xx_write_regs_req()
* sends data to the usb device, specifying bRequest
*/
int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
int len)
{
int ret;
......@@ -290,7 +290,7 @@ int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
/*usb_control_msg seems to expect a kmalloced buffer */
unsigned char *bufs = kmalloc(len, GFP_KERNEL);
em2820_regdbg("req=%02x reg=%02x:", req, reg);
em28xx_regdbg("req=%02x reg=%02x:", req, reg);
if (reg_debug) {
int i;
......@@ -310,124 +310,124 @@ int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
return ret;
}
int em2820_write_regs(struct em2820 *dev, u16 reg, char *buf, int len)
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len)
{
return em2820_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len);
return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len);
}
/*
* em2820_write_reg_bits()
* em28xx_write_reg_bits()
* sets only some bits (specified by bitmask) of a register, by first reading
* the actual value
*/
int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
u8 bitmask)
{
int oldval;
u8 newval;
if ((oldval = em2820_read_reg(dev, reg)) < 0)
if ((oldval = em28xx_read_reg(dev, reg)) < 0)
return oldval;
newval = (((u8) oldval) & ~bitmask) | (val & bitmask);
return em2820_write_regs(dev, reg, &newval, 1);
return em28xx_write_regs(dev, reg, &newval, 1);
}
/*
* em2820_write_ac97()
* em28xx_write_ac97()
* write a 16 bit value to the specified AC97 address (LSB first!)
*/
int em2820_write_ac97(struct em2820 *dev, u8 reg, u8 * val)
int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val)
{
int ret;
u8 addr = reg & 0x7f;
if ((ret = em2820_write_regs(dev, AC97LSB_REG, val, 2)) < 0)
if ((ret = em28xx_write_regs(dev, AC97LSB_REG, val, 2)) < 0)
return ret;
if ((ret = em2820_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0)
if ((ret = em28xx_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0)
return ret;
if ((ret = em2820_read_reg(dev, AC97BUSY_REG)) < 0)
if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0)
return ret;
else if (((u8) ret) & 0x01) {
em2820_warn ("AC97 command still being exectuted: not handled properly!\n");
em28xx_warn ("AC97 command still being exectuted: not handled properly!\n");
}
return 0;
}
int em2820_audio_analog_set(struct em2820 *dev)
int em28xx_audio_analog_set(struct em28xx *dev)
{
char s[2] = { 0x00, 0x00 };
s[0] |= 0x1f - dev->volume;
s[1] |= 0x1f - dev->volume;
if (dev->mute)
s[1] |= 0x80;
return em2820_write_ac97(dev, MASTER_AC97, s);
return em28xx_write_ac97(dev, MASTER_AC97, s);
}
int em2820_colorlevels_set_default(struct em2820 *dev)
int em28xx_colorlevels_set_default(struct em28xx *dev)
{
em2820_write_regs(dev, YGAIN_REG, "\x10", 1); /* contrast */
em2820_write_regs(dev, YOFFSET_REG, "\x00", 1); /* brightness */
em2820_write_regs(dev, UVGAIN_REG, "\x10", 1); /* saturation */
em2820_write_regs(dev, UOFFSET_REG, "\x00", 1);
em2820_write_regs(dev, VOFFSET_REG, "\x00", 1);
em2820_write_regs(dev, SHARPNESS_REG, "\x00", 1);
em2820_write_regs(dev, GAMMA_REG, "\x20", 1);
em2820_write_regs(dev, RGAIN_REG, "\x20", 1);
em2820_write_regs(dev, GGAIN_REG, "\x20", 1);
em2820_write_regs(dev, BGAIN_REG, "\x20", 1);
em2820_write_regs(dev, ROFFSET_REG, "\x00", 1);
em2820_write_regs(dev, GOFFSET_REG, "\x00", 1);
return em2820_write_regs(dev, BOFFSET_REG, "\x00", 1);
em28xx_write_regs(dev, YGAIN_REG, "\x10", 1); /* contrast */
em28xx_write_regs(dev, YOFFSET_REG, "\x00", 1); /* brightness */
em28xx_write_regs(dev, UVGAIN_REG, "\x10", 1); /* saturation */
em28xx_write_regs(dev, UOFFSET_REG, "\x00", 1);
em28xx_write_regs(dev, VOFFSET_REG, "\x00", 1);
em28xx_write_regs(dev, SHARPNESS_REG, "\x00", 1);
em28xx_write_regs(dev, GAMMA_REG, "\x20", 1);
em28xx_write_regs(dev, RGAIN_REG, "\x20", 1);
em28xx_write_regs(dev, GGAIN_REG, "\x20", 1);
em28xx_write_regs(dev, BGAIN_REG, "\x20", 1);
em28xx_write_regs(dev, ROFFSET_REG, "\x00", 1);
em28xx_write_regs(dev, GOFFSET_REG, "\x00", 1);
return em28xx_write_regs(dev, BOFFSET_REG, "\x00", 1);
}
int em2820_capture_start(struct em2820 *dev, int start)
int em28xx_capture_start(struct em28xx *dev, int start)
{
int ret;
/* FIXME: which is the best order? */
/* video registers are sampled by VREF */
if ((ret = em2820_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00,
if ((ret = em28xx_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00,
0x10)) < 0)
return ret;
/* enable video capture */
return em2820_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1);
return em28xx_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1);
}
int em2820_outfmt_set_yuv422(struct em2820 *dev)
int em28xx_outfmt_set_yuv422(struct em28xx *dev)
{
em2820_write_regs(dev, OUTFMT_REG, "\x34", 1);
em2820_write_regs(dev, VINMODE_REG, "\x10", 1);
return em2820_write_regs(dev, VINCTRL_REG, "\x11", 1);
em28xx_write_regs(dev, OUTFMT_REG, "\x34", 1);
em28xx_write_regs(dev, VINMODE_REG, "\x10", 1);
return em28xx_write_regs(dev, VINCTRL_REG, "\x11", 1);
}
int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, u8 ymin,
u8 ymax)
{
em2820_coredbg("em2820 Scale: (%d,%d)-(%d,%d)\n", xmin, ymin, xmax, ymax);
em28xx_coredbg("em28xx Scale: (%d,%d)-(%d,%d)\n", xmin, ymin, xmax, ymax);
em2820_write_regs(dev, XMIN_REG, &xmin, 1);
em2820_write_regs(dev, XMAX_REG, &xmax, 1);
em2820_write_regs(dev, YMIN_REG, &ymin, 1);
return em2820_write_regs(dev, YMAX_REG, &ymax, 1);
em28xx_write_regs(dev, XMIN_REG, &xmin, 1);
em28xx_write_regs(dev, XMAX_REG, &xmax, 1);
em28xx_write_regs(dev, YMIN_REG, &ymin, 1);
return em28xx_write_regs(dev, YMAX_REG, &ymax, 1);
}
int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
u16 width, u16 height)
{
u8 cwidth = width;
u8 cheight = height;
u8 overflow = (height >> 7 & 0x02) | (width >> 8 & 0x01);
em2820_coredbg("em2820 Area Set: (%d,%d)\n", (width | (overflow & 2) << 7),
em28xx_coredbg("em28xx Area Set: (%d,%d)\n", (width | (overflow & 2) << 7),
(height | (overflow & 1) << 8));
em2820_write_regs(dev, HSTART_REG, &hstart, 1);
em2820_write_regs(dev, VSTART_REG, &vstart, 1);
em2820_write_regs(dev, CWIDTH_REG, &cwidth, 1);
em2820_write_regs(dev, CHEIGHT_REG, &cheight, 1);
return em2820_write_regs(dev, OFLOW_REG, &overflow, 1);
em28xx_write_regs(dev, HSTART_REG, &hstart, 1);
em28xx_write_regs(dev, VSTART_REG, &vstart, 1);
em28xx_write_regs(dev, CWIDTH_REG, &cwidth, 1);
em28xx_write_regs(dev, CHEIGHT_REG, &cheight, 1);
return em28xx_write_regs(dev, OFLOW_REG, &overflow, 1);
}
int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v)
int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
{
u8 mode;
/* the em2800 scaler only supports scaling down to 50% */
......@@ -437,34 +437,34 @@ int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v)
u8 buf[2];
buf[0] = h;
buf[1] = h >> 8;
em2820_write_regs(dev, HSCALELOW_REG, (char *)buf, 2);
em28xx_write_regs(dev, HSCALELOW_REG, (char *)buf, 2);
buf[0] = v;
buf[1] = v >> 8;
em2820_write_regs(dev, VSCALELOW_REG, (char *)buf, 2);
em28xx_write_regs(dev, VSCALELOW_REG, (char *)buf, 2);
/* it seems that both H and V scalers must be active to work correctly */
mode = (h || v)? 0x30: 0x00;
}
return em2820_write_reg_bits(dev, COMPR_REG, mode, 0x30);
return em28xx_write_reg_bits(dev, COMPR_REG, mode, 0x30);
}
/* FIXME: this only function read values from dev */
int em2820_resolution_set(struct em2820 *dev)
int em28xx_resolution_set(struct em28xx *dev)
{
int width, height;
width = norm_maxw(dev);
height = norm_maxh(dev) >> 1;
em2820_outfmt_set_yuv422(dev);
em2820_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
em2820_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
return em2820_scaler_set(dev, dev->hscale, dev->vscale);
em28xx_outfmt_set_yuv422(dev);
em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
}
/******************* isoc transfer handling ****************************/
#ifdef ENABLE_DEBUG_ISOC_FRAMES
static void em2820_isoc_dump(struct urb *urb, struct pt_regs *regs)
static void em28xx_isoc_dump(struct urb *urb, struct pt_regs *regs)
{
int len = 0;
int ntrans = 0;
......@@ -503,7 +503,7 @@ static void em2820_isoc_dump(struct urb *urb, struct pt_regs *regs)
}
#endif
static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f,
static inline int em28xx_isoc_video(struct em28xx *dev,struct em28xx_frame_t **f,
unsigned long *lock_flags, unsigned char buf)
{
if (!(buf & 0x01)) {
......@@ -511,7 +511,7 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
/*previous frame is incomplete */
if ((*f)->fieldbytesused < dev->field_size) {
(*f)->state = F_ERROR;
em2820_isocdbg ("dropping incomplete bottom field (%i missing bytes)",
em28xx_isocdbg ("dropping incomplete bottom field (%i missing bytes)",
dev->field_size-(*f)->fieldbytesused);
} else {
(*f)->state = F_DONE;
......@@ -524,13 +524,13 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
list_move_tail(&(*f)->frame, &dev->outqueue);
if (!list_empty(&dev->inqueue))
(*f) = list_entry(dev-> inqueue.next,
struct em2820_frame_t,frame);
struct em28xx_frame_t,frame);
else
(*f) = NULL;
spin_unlock_irqrestore(&dev->queue_lock,*lock_flags);
}
if (!(*f)) {
em2820_isocdbg ("new frame but no buffer is free");
em28xx_isocdbg ("new frame but no buffer is free");
return -1;
}
do_gettimeofday(&(*f)->buf.timestamp);
......@@ -545,10 +545,10 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
if ((*f)->state == F_GRABBING) {
if (!(*f)->top_field) {
(*f)->state = F_ERROR;
em2820_isocdbg ("unexpected begin of bottom field; discarding it");
em28xx_isocdbg ("unexpected begin of bottom field; discarding it");
} else if ((*f)-> fieldbytesused < dev->field_size - 172) {
(*f)->state = F_ERROR;
em2820_isocdbg ("dropping incomplete top field (%i missing bytes)",
em28xx_isocdbg ("dropping incomplete top field (%i missing bytes)",
dev->field_size-(*f)->fieldbytesused);
} else {
(*f)->top_field = 0;
......@@ -559,14 +559,14 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
return (0);
}
static inline void em2820_isoc_video_copy(struct em2820 *dev,
struct em2820_frame_t **f, unsigned char *buf, int len)
static inline void em28xx_isoc_video_copy(struct em28xx *dev,
struct em28xx_frame_t **f, unsigned char *buf, int len)
{
void *fieldstart, *startwrite, *startread;
int linesdone, currlinedone, offset, lencopy,remain;
if(dev->frame_size != (*f)->buf.length){
em2820_err("frame_size %i and buf.length %i are different!!!\n",dev->frame_size,(*f)->buf.length);
em28xx_err("frame_size %i and buf.length %i are different!!!\n",dev->frame_size,(*f)->buf.length);
return;
}
......@@ -574,7 +574,7 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev,
len =dev->field_size - (*f)->fieldbytesused;
if (buf[0] != 0x88 && buf[0] != 0x22) {
em2820_isocdbg("frame is not complete\n");
em28xx_isocdbg("frame is not complete\n");
startread = buf;
len+=4;
} else
......@@ -613,21 +613,21 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev,
}
/*
* em2820_isoIrq()
* em28xx_isoIrq()
* handles the incoming isoc urbs and fills the frames from our inqueue
*/
void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
void em28xx_isocIrq(struct urb *urb, struct pt_regs *regs)
{
struct em2820 *dev = urb->context;
struct em28xx *dev = urb->context;
int i, status;
struct em2820_frame_t **f;
struct em28xx_frame_t **f;
unsigned long lock_flags;
if (!dev)
return;
#ifdef ENABLE_DEBUG_ISOC_FRAMES
if (isoc_debug>1)
em2820_isoc_dump(urb, regs);
em28xx_isoc_dump(urb, regs);
#endif
if (urb->status == -ENOENT)
......@@ -639,7 +639,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
dev->stream = STREAM_OFF;
if ((*f))
(*f)->state = F_QUEUED;
em2820_isocdbg("stream interrupted");
em28xx_isocdbg("stream interrupted");
wake_up_interruptible(&dev->wait_stream);
}
......@@ -649,7 +649,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
if (dev->stream == STREAM_ON && !list_empty(&dev->inqueue)) {
if (!(*f))
(*f) = list_entry(dev->inqueue.next,
struct em2820_frame_t, frame);
struct em28xx_frame_t, frame);
for (i = 0; i < urb->number_of_packets; i++) {
unsigned char *buf = urb->transfer_buffer +
......@@ -657,34 +657,34 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
int len = urb->iso_frame_desc[i].actual_length - 4;
if (urb->iso_frame_desc[i].status) {
em2820_isocdbg("data error: [%d] len=%d, status=%d", i,
em28xx_isocdbg("data error: [%d] len=%d, status=%d", i,
urb->iso_frame_desc[i].actual_length,
urb->iso_frame_desc[i].status);
if (urb->iso_frame_desc[i].status != -EPROTO)
continue;
}
if (urb->iso_frame_desc[i].actual_length <= 0) {
em2820_isocdbg("packet %d is empty",i);
em28xx_isocdbg("packet %d is empty",i);
continue;
}
if (urb->iso_frame_desc[i].actual_length >
dev->max_pkt_size) {
em2820_isocdbg("packet bigger than packet size");
em28xx_isocdbg("packet bigger than packet size");
continue;
}
/*new frame */
if (buf[0] == 0x22 && buf[1] == 0x5a) {
em2820_isocdbg("Video frame, length=%i!",len);
em28xx_isocdbg("Video frame, length=%i!",len);
if (em2820_isoc_video(dev,f,&lock_flags,buf[2]))
if (em28xx_isoc_video(dev,f,&lock_flags,buf[2]))
break;
} else if (buf[0]==0x33 && buf[1]==0x95 && buf[2]==0x00) {
em2820_isocdbg("VBI HEADER!!!");
em28xx_isocdbg("VBI HEADER!!!");
}
/* actual copying */
if ((*f)->state == F_GRABBING) {
em2820_isoc_video_copy(dev,f,buf, len);
em28xx_isoc_video_copy(dev,f,buf, len);
}
}
}
......@@ -696,7 +696,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
urb->status = 0;
if ((status = usb_submit_urb(urb, GFP_ATOMIC))) {
em2820_errdev("resubmit of urb failed (error=%i)\n", status);
em28xx_errdev("resubmit of urb failed (error=%i)\n", status);
dev->state |= DEV_MISCONFIGURED;
}
wake_up_interruptible(&dev->wait_frame);
......@@ -704,58 +704,58 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
}
/*
* em2820_uninit_isoc()
* deallocates the buffers and urbs allocated during em2820_init_iosc()
* em28xx_uninit_isoc()
* deallocates the buffers and urbs allocated during em28xx_init_iosc()
*/
void em2820_uninit_isoc(struct em2820 *dev)
void em28xx_uninit_isoc(struct em28xx *dev)
{
int i;
for (i = 0; i < EM2820_NUM_BUFS; i++) {
for (i = 0; i < EM28XX_NUM_BUFS; i++) {
if (dev->urb[i]) {
usb_kill_urb(dev->urb[i]);
if (dev->transfer_buffer[i]){
usb_buffer_free(dev->udev,(EM2820_NUM_PACKETS*dev->max_pkt_size),dev->transfer_buffer[i],dev->urb[i]->transfer_dma);
usb_buffer_free(dev->udev,(EM28XX_NUM_PACKETS*dev->max_pkt_size),dev->transfer_buffer[i],dev->urb[i]->transfer_dma);
}
usb_free_urb(dev->urb[i]);
}
dev->urb[i] = NULL;
dev->transfer_buffer[i] = NULL;
}
em2820_capture_start(dev, 0);
em28xx_capture_start(dev, 0);
}
/*
* em2820_init_isoc()
* em28xx_init_isoc()
* allocates transfer buffers and submits the urbs for isoc transfer
*/
int em2820_init_isoc(struct em2820 *dev)
int em28xx_init_isoc(struct em28xx *dev)
{
/* change interface to 3 which allowes the biggest packet sizes */
int i, errCode;
const int sb_size = EM2820_NUM_PACKETS * dev->max_pkt_size;
const int sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size;
/* reset streaming vars */
dev->frame_current = NULL;
dev->frame_count = 0;
/* allocate urbs */
for (i = 0; i < EM2820_NUM_BUFS; i++) {
for (i = 0; i < EM28XX_NUM_BUFS; i++) {
struct urb *urb;
int j, k;
/* allocate transfer buffer */
urb = usb_alloc_urb(EM2820_NUM_PACKETS, GFP_KERNEL);
urb = usb_alloc_urb(EM28XX_NUM_PACKETS, GFP_KERNEL);
if (!urb){
em2820_errdev("cannot alloc urb %i\n", i);
em2820_uninit_isoc(dev);
em28xx_errdev("cannot alloc urb %i\n", i);
em28xx_uninit_isoc(dev);
return -ENOMEM;
}
dev->transfer_buffer[i] = usb_buffer_alloc(dev->udev, sb_size, GFP_KERNEL,&urb->transfer_dma);
if (!dev->transfer_buffer[i]) {
em2820_errdev
em28xx_errdev
("unable to allocate %i bytes for transfer buffer %i\n",
sb_size, i);
em2820_uninit_isoc(dev);
em28xx_uninit_isoc(dev);
return -ENOMEM;
}
memset(dev->transfer_buffer[i], 0, sb_size);
......@@ -765,10 +765,10 @@ int em2820_init_isoc(struct em2820 *dev)
urb->transfer_flags = URB_ISO_ASAP;
urb->interval = 1;
urb->transfer_buffer = dev->transfer_buffer[i];
urb->complete = em2820_isocIrq;
urb->number_of_packets = EM2820_NUM_PACKETS;
urb->complete = em28xx_isocIrq;
urb->number_of_packets = EM28XX_NUM_PACKETS;
urb->transfer_buffer_length = sb_size;
for (j = k = 0; j < EM2820_NUM_PACKETS;
for (j = k = 0; j < EM28XX_NUM_PACKETS;
j++, k += dev->max_pkt_size) {
urb->iso_frame_desc[j].offset = k;
urb->iso_frame_desc[j].length =
......@@ -778,12 +778,12 @@ int em2820_init_isoc(struct em2820 *dev)
}
/* submit urbs */
for (i = 0; i < EM2820_NUM_BUFS; i++) {
for (i = 0; i < EM28XX_NUM_BUFS; i++) {
errCode = usb_submit_urb(dev->urb[i], GFP_KERNEL);
if (errCode) {
em2820_errdev("submit of urb %i failed (error=%i)\n", i,
em28xx_errdev("submit of urb %i failed (error=%i)\n", i,
errCode);
em2820_uninit_isoc(dev);
em28xx_uninit_isoc(dev);
return errCode;
}
}
......@@ -791,21 +791,21 @@ int em2820_init_isoc(struct em2820 *dev)
return 0;
}
int em2820_set_alternate(struct em2820 *dev)
int em28xx_set_alternate(struct em28xx *dev)
{
int errCode, prev_alt = dev->alt;
dev->alt = alt;
if (dev->alt == 0) {
int i;
if(dev->is_em2800){ /* always use the max packet size for em2800 based devices */
for(i=0;i< EM2820_MAX_ALT; i++)
for(i=0;i< EM28XX_MAX_ALT; i++)
if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt])
dev->alt=i;
}else{
unsigned int min_pkt_size = dev->field_size / 137; /* FIXME: empiric magic number */
em2820_coredbg("minimum isoc packet size: %u", min_pkt_size);
em28xx_coredbg("minimum isoc packet size: %u", min_pkt_size);
dev->alt = 7;
for (i = 1; i < EM2820_MAX_ALT; i += 2) /* FIXME: skip even alternate: why do they not work? */
for (i = 1; i < EM28XX_MAX_ALT; i += 2) /* FIXME: skip even alternate: why do they not work? */
if (dev->alt_max_pkt_size[i] >= min_pkt_size) {
dev->alt = i;
break;
......@@ -815,11 +815,11 @@ int em2820_set_alternate(struct em2820 *dev)
if (dev->alt != prev_alt) {
dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt];
em2820_coredbg("setting alternate %d with wMaxPacketSize=%u", dev->alt,
em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u", dev->alt,
dev->max_pkt_size);
errCode = usb_set_interface(dev->udev, 0, dev->alt);
if (errCode < 0) {
em2820_errdev
em28xx_errdev
("cannot change alternate number to %d (error=%i)\n",
dev->alt, errCode);
return errCode;
......
drivers/media/video/em28xx/em28xx-i2c.c
浏览文件 @ 3acf2809
......@@ -50,7 +50,7 @@ MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
* em2800_i2c_send_max4()
* send up to 4 bytes to the i2c device
*/
static int em2800_i2c_send_max4(struct em2820 *dev, unsigned char addr,
static int em2800_i2c_send_max4(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
......@@ -67,19 +67,19 @@ static int em2800_i2c_send_max4(struct em2820 *dev, unsigned char addr,
if (len > 3)
b2[0] = buf[3];
ret = dev->em2820_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
if (ret != 2 + len) {
em2820_warn("writting to i2c device failed (error=%i)\n", ret);
em28xx_warn("writting to i2c device failed (error=%i)\n", ret);
return -EIO;
}
for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
write_timeout -= 5) {
ret = dev->em2820_read_reg(dev, 0x05);
ret = dev->em28xx_read_reg(dev, 0x05);
if (ret == 0x80 + len - 1)
return len;
mdelay(5);
}
em2820_warn("i2c write timed out\n");
em28xx_warn("i2c write timed out\n");
return -EIO;
}
......@@ -94,7 +94,7 @@ static int em2800_i2c_send_bytes(void *data, unsigned char addr, char *buf,
int wrcount = 0;
int count;
int maxLen = 4;
struct em2820 *dev = (struct em2820 *)data;
struct em28xx *dev = (struct em28xx *)data;
while (len > 0) {
count = (len > maxLen) ? maxLen : len;
ret = em2800_i2c_send_max4(dev, addr, bufPtr, count);
......@@ -112,27 +112,27 @@ static int em2800_i2c_send_bytes(void *data, unsigned char addr, char *buf,
* em2800_i2c_check_for_device()
* check if there is a i2c_device at the supplied address
*/
static int em2800_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
{
char msg;
int ret;
int write_timeout;
msg = addr;
ret = dev->em2820_write_regs(dev, 0x04, &msg, 1);
ret = dev->em28xx_write_regs(dev, 0x04, &msg, 1);
if (ret < 0) {
em2820_warn("setting i2c device address failed (error=%i)\n",
em28xx_warn("setting i2c device address failed (error=%i)\n",
ret);
return ret;
}
msg = 0x84;
ret = dev->em2820_write_regs(dev, 0x05, &msg, 1);
ret = dev->em28xx_write_regs(dev, 0x05, &msg, 1);
if (ret < 0) {
em2820_warn("preparing i2c read failed (error=%i)\n", ret);
em28xx_warn("preparing i2c read failed (error=%i)\n", ret);
return ret;
}
for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
write_timeout -= 5) {
unsigned msg = dev->em2820_read_reg(dev, 0x5);
unsigned msg = dev->em28xx_read_reg(dev, 0x5);
if (msg == 0x94)
return -ENODEV;
else if (msg == 0x84)
......@@ -146,21 +146,21 @@ static int em2800_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
* em2800_i2c_recv_bytes()
* read from the i2c device
*/
static int em2800_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
static int em2800_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
/* check for the device and set i2c read address */
ret = em2800_i2c_check_for_device(dev, addr);
if (ret) {
em2820_warn
em28xx_warn
("preparing read at i2c address 0x%x failed (error=%i)\n",
addr, ret);
return ret;
}
ret = dev->em2820_read_reg_req_len(dev, 0x0, 0x3, buf, len);
ret = dev->em28xx_read_reg_req_len(dev, 0x0, 0x3, buf, len);
if (ret < 0) {
em2820_warn("reading from i2c device at 0x%x failed (error=%i)",
em28xx_warn("reading from i2c device at 0x%x failed (error=%i)",
addr, ret);
return ret;
}
......@@ -168,66 +168,66 @@ static int em2800_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
}
/*
* em2820_i2c_send_bytes()
* em28xx_i2c_send_bytes()
* untested for more than 4 bytes
*/
static int em2820_i2c_send_bytes(void *data, unsigned char addr, char *buf,
static int em28xx_i2c_send_bytes(void *data, unsigned char addr, char *buf,
short len, int stop)
{
int wrcount = 0;
struct em2820 *dev = (struct em2820 *)data;
struct em28xx *dev = (struct em28xx *)data;
wrcount = dev->em2820_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
wrcount = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
return wrcount;
}
/*
* em2820_i2c_recv_bytes()
* em28xx_i2c_recv_bytes()
* read a byte from the i2c device
*/
static int em2820_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
static int em28xx_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
char *buf, int len)
{
int ret;
ret = dev->em2820_read_reg_req_len(dev, 2, addr, buf, len);
ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);
if (ret < 0) {
em2820_warn("reading i2c device failed (error=%i)\n", ret);
em28xx_warn("reading i2c device failed (error=%i)\n", ret);
return ret;
}
if (dev->em2820_read_reg(dev, 0x5) != 0)
if (dev->em28xx_read_reg(dev, 0x5) != 0)
return -ENODEV;
return ret;
}
/*
* em2820_i2c_check_for_device()
* em28xx_i2c_check_for_device()
* check if there is a i2c_device at the supplied address
*/
static int em2820_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
static int em28xx_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
{
char msg;
int ret;
msg = addr;
ret = dev->em2820_read_reg_req(dev, 2, addr);
ret = dev->em28xx_read_reg_req(dev, 2, addr);
if (ret < 0) {
em2820_warn("reading from i2c device failed (error=%i)\n", ret);
em28xx_warn("reading from i2c device failed (error=%i)\n", ret);
return ret;
}
if (dev->em2820_read_reg(dev, 0x5) != 0)
if (dev->em28xx_read_reg(dev, 0x5) != 0)
return -ENODEV;
return 0;
}
/*
* em2820_i2c_xfer()
* em28xx_i2c_xfer()
* the main i2c transfer function
*/
static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg msgs[], int num)
{
struct em2820 *dev = i2c_adap->algo_data;
struct em28xx *dev = i2c_adap->algo_data;
int addr, rc, i, byte;
if (num <= 0)
......@@ -241,7 +241,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
if (dev->is_em2800)
rc = em2800_i2c_check_for_device(dev, addr);
else
rc = em2820_i2c_check_for_device(dev, addr);
rc = em28xx_i2c_check_for_device(dev, addr);
if (rc < 0) {
dprintk2(2," no device\n");
return rc;
......@@ -254,7 +254,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
msgs[i].buf,
msgs[i].len);
else
rc = em2820_i2c_recv_bytes(dev, addr,
rc = em28xx_i2c_recv_bytes(dev, addr,
msgs[i].buf,
msgs[i].len);
if (i2c_debug>=2) {
......@@ -273,7 +273,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
msgs[i].buf,
msgs[i].len);
else
rc = em2820_i2c_send_bytes(dev, addr,
rc = em28xx_i2c_send_bytes(dev, addr,
msgs[i].buf,
msgs[i].len,
i == num - 1);
......@@ -290,10 +290,10 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
return rc;
}
static int em2820_i2c_eeprom(struct em2820 *dev, unsigned char *eedata, int len)
static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
{
unsigned char buf, *p = eedata;
struct em2820_eeprom *em_eeprom = (void *)eedata;
struct em28xx_eeprom *em_eeprom = (void *)eedata;
int i, err, size = len, block;
dev->i2c_client.addr = 0xa0 >> 1;
......@@ -410,9 +410,9 @@ static void dec_use(struct i2c_adapter *adap)
}
#endif
static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client)
{
struct em2820 *dev = client->adapter->algo_data;
struct em28xx *dev = client->adapter->algo_data;
struct tuner_setup tun_setup;
if (dev->has_tuner) {
......@@ -420,7 +420,7 @@ static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
tun_setup.type = dev->tuner_type;
tun_setup.addr = dev->tuner_addr;
em2820_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
}
return (0);
......@@ -433,11 +433,11 @@ static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
*/
static int attach_inform(struct i2c_client *client)
{
struct em2820 *dev = client->adapter->algo_data;
struct em28xx *dev = client->adapter->algo_data;
switch (client->addr << 1) {
case 0x86:
em2820_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
em28xx_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
break;
case 0x42:
dprintk1(1,"attach_inform: saa7114 detected.\n");
......@@ -453,7 +453,7 @@ static int attach_inform(struct i2c_client *client)
{
struct IR_i2c *ir = i2c_get_clientdata(client);
dprintk1(1,"attach_inform: IR detected (%s).\n",ir->phys);
em2820_set_ir(dev,ir);
em28xx_set_ir(dev,ir);
break;
}
case 0x80:
......@@ -467,19 +467,19 @@ static int attach_inform(struct i2c_client *client)
default:
dprintk1(1,"attach inform: detected I2C address %x\n", client->addr << 1);
dev->tuner_addr = client->addr;
em2820_set_tuner(-1, client);
em28xx_set_tuner(-1, client);
}
return 0;
}
static struct i2c_algorithm em2820_algo = {
.master_xfer = em2820_i2c_xfer,
static struct i2c_algorithm em28xx_algo = {
.master_xfer = em28xx_i2c_xfer,
.algo_control = algo_control,
.functionality = functionality,
};
static struct i2c_adapter em2820_adap_template = {
static struct i2c_adapter em28xx_adap_template = {
#ifdef I2C_PEC
.owner = THIS_MODULE,
#else
......@@ -489,14 +489,14 @@ static struct i2c_adapter em2820_adap_template = {
#ifdef I2C_CLASS_TV_ANALOG
.class = I2C_CLASS_TV_ANALOG,
#endif
.name = "em2820",
.id = I2C_HW_B_EM2820,
.algo = &em2820_algo,
.name = "em28xx",
.id = I2C_HW_B_EM28XX,
.algo = &em28xx_algo,
.client_register = attach_inform,
};
static struct i2c_client em2820_client_template = {
.name = "em2820 internal",
static struct i2c_client em28xx_client_template = {
.name = "em28xx internal",
.flags = I2C_CLIENT_ALLOW_USE,
};
......@@ -542,33 +542,33 @@ static void do_i2c_scan(char *name, struct i2c_client *c)
}
/*
* em2820_i2c_call_clients()
* em28xx_i2c_call_clients()
* send commands to all attached i2c devices
*/
void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg)
void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg)
{
BUG_ON(NULL == dev->i2c_adap.algo_data);
i2c_clients_command(&dev->i2c_adap, cmd, arg);
}
/*
* em2820_i2c_register()
* em28xx_i2c_register()
* register i2c bus
*/
int em2820_i2c_register(struct em2820 *dev)
int em28xx_i2c_register(struct em28xx *dev)
{
BUG_ON(!dev->em2820_write_regs || !dev->em2820_read_reg);
BUG_ON(!dev->em2820_write_regs_req || !dev->em2820_read_reg_req);
dev->i2c_adap = em2820_adap_template;
BUG_ON(!dev->em28xx_write_regs || !dev->em28xx_read_reg);
BUG_ON(!dev->em28xx_write_regs_req || !dev->em28xx_read_reg_req);
dev->i2c_adap = em28xx_adap_template;
dev->i2c_adap.dev.parent = &dev->udev->dev;
strcpy(dev->i2c_adap.name, dev->name);
dev->i2c_adap.algo_data = dev;
i2c_add_adapter(&dev->i2c_adap);
dev->i2c_client = em2820_client_template;
dev->i2c_client = em28xx_client_template;
dev->i2c_client.adapter = &dev->i2c_adap;
em2820_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
if (i2c_scan)
do_i2c_scan(dev->name, &dev->i2c_client);
......@@ -576,10 +576,10 @@ int em2820_i2c_register(struct em2820 *dev)
}
/*
* em2820_i2c_unregister()
* em28xx_i2c_unregister()
* unregister i2c_bus
*/
int em2820_i2c_unregister(struct em2820 *dev)
int em28xx_i2c_unregister(struct em28xx *dev)
{
i2c_del_adapter(&dev->i2c_adap);
return 0;
......
drivers/media/video/em28xx/em28xx-input.c
浏览文件 @ 3acf2809
......@@ -142,7 +142,7 @@ static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
}
/* ----------------------------------------------------------------------- */
void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir)
{
if (disable_ir) {
ir->get_key=NULL;
......@@ -159,7 +159,7 @@ void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
case (EM2820_BOARD_TERRATEC_CINERGY_250):
ir->ir_codes = ir_codes_em_terratec;
ir->get_key = get_key_terratec;
snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2820 Terratec)");
snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Terratec)");
break;
case (EM2820_BOARD_PINNACLE_USB_2):
break;
......
drivers/media/video/em28xx/em28xx-video.c
浏览文件 @ 3acf2809
......@@ -28,6 +28,7 @@
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/video_decoder.h>
#include <linux/utsname.h>
#include "em28xx.h"
#include <media/tuner.h>
......@@ -39,9 +40,9 @@
#define DRIVER_NAME "em28xx"
#define DRIVER_DESC "Empia em28xx based USB video device driver"
#define EM2820_VERSION_CODE KERNEL_VERSION(0, 0, 1)
#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 0, 1)
#define em2820_videodbg(fmt, arg...) do {\
#define em28xx_videodbg(fmt, arg...) do {\
if (video_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __FUNCTION__ , ##arg); } while (0)
......@@ -50,9 +51,9 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
static LIST_HEAD(em2820_devlist);
static LIST_HEAD(em28xx_devlist);
static unsigned int card[] = {[0 ... (EM2820_MAXBOARDS - 1)] = UNSET };
static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
MODULE_PARM_DESC(card,"card type");
......@@ -66,7 +67,7 @@ module_param(video_debug,int,0644);
MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
/* supported tv norms */
static struct em2820_tvnorm tvnorms[] = {
static struct em28xx_tvnorm tvnorms[] = {
{
.name = "PAL",
.id = V4L2_STD_PAL,
......@@ -106,7 +107,7 @@ static const unsigned char saa7114_i2c_init[] = {
#define TVNORMS ARRAY_SIZE(tvnorms)
/* supported controls */
static struct v4l2_queryctrl em2820_qctrl[] = {
static struct v4l2_queryctrl em28xx_qctrl[] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -182,10 +183,10 @@ static struct v4l2_queryctrl em2820_qctrl[] = {
}
};
static struct usb_driver em2820_usb_driver;
static struct usb_driver em28xx_usb_driver;
static DECLARE_MUTEX(em2820_sysfs_lock);
static DECLARE_RWSEM(em2820_disconnect);
static DECLARE_MUTEX(em28xx_sysfs_lock);
static DECLARE_RWSEM(em28xx_disconnect);
/********************* v4l2 interface ******************************************/
......@@ -200,95 +201,95 @@ static inline unsigned long kvirt_to_pa(unsigned long adr)
}
/*
* em2820_config()
* em28xx_config()
* inits registers with sane defaults
*/
static int em2820_config(struct em2820 *dev)
static int em28xx_config(struct em28xx *dev)
{
/* Sets I2C speed to 100 KHz */
em2820_write_regs_req(dev, 0x00, 0x06, "\x40", 1);
em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1);
/* enable vbi capturing */
em2820_audio_usb_mute(dev, 1);
em28xx_audio_usb_mute(dev, 1);
dev->mute = 1; /* maybe not the right place... */
dev->volume = 0x1f;
em2820_audio_analog_set(dev);
em2820_audio_analog_setup(dev);
em2820_outfmt_set_yuv422(dev);
em2820_colorlevels_set_default(dev);
em2820_compression_disable(dev);
em28xx_audio_analog_set(dev);
em28xx_audio_analog_setup(dev);
em28xx_outfmt_set_yuv422(dev);
em28xx_colorlevels_set_default(dev);
em28xx_compression_disable(dev);
return 0;
}
/*
* em2820_config_i2c()
* em28xx_config_i2c()
* configure i2c attached devices
*/
void em2820_config_i2c(struct em2820 *dev)
void em28xx_config_i2c(struct em28xx *dev)
{
struct v4l2_frequency f;
struct video_decoder_init em2820_vdi = {.data = NULL };
struct video_decoder_init em28xx_vdi = {.data = NULL };
/* configure decoder */
if(dev->model == EM2820_BOARD_MSI_VOX_USB_2){
em2820_vdi.data=saa7114_i2c_init;
em2820_vdi.len=sizeof(saa7114_i2c_init);
em28xx_vdi.data=saa7114_i2c_init;
em28xx_vdi.len=sizeof(saa7114_i2c_init);
}
em2820_i2c_call_clients(dev, DECODER_INIT, &em2820_vdi);
em2820_i2c_call_clients(dev, DECODER_SET_INPUT, &dev->ctl_input);
/* em2820_i2c_call_clients(dev,DECODER_SET_PICTURE, &dev->vpic); */
/* em2820_i2c_call_clients(dev,DECODER_SET_NORM,&dev->tvnorm->id); */
/* em2820_i2c_call_clients(dev,DECODER_ENABLE_OUTPUT,&output); */
/* em2820_i2c_call_clients(dev,DECODER_DUMP, NULL); */
em28xx_i2c_call_clients(dev, DECODER_INIT, &em28xx_vdi);
em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &dev->ctl_input);
/* em28xx_i2c_call_clients(dev,DECODER_SET_PICTURE, &dev->vpic); */
/* em28xx_i2c_call_clients(dev,DECODER_SET_NORM,&dev->tvnorm->id); */
/* em28xx_i2c_call_clients(dev,DECODER_ENABLE_OUTPUT,&output); */
/* em28xx_i2c_call_clients(dev,DECODER_DUMP, NULL); */
/* configure tuner */
f.tuner = 0;
f.type = V4L2_TUNER_ANALOG_TV;
f.frequency = 9076; /* FIXME:remove magic number */
dev->ctl_freq = f.frequency;
em2820_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
/* configure tda9887 */
/* em2820_i2c_call_clients(dev,VIDIOC_S_STD,&dev->tvnorm->id); */
/* em28xx_i2c_call_clients(dev,VIDIOC_S_STD,&dev->tvnorm->id); */
}
/*
* em2820_empty_framequeues()
* em28xx_empty_framequeues()
* prepare queues for incoming and outgoing frames
*/
static void em2820_empty_framequeues(struct em2820 *dev)
static void em28xx_empty_framequeues(struct em28xx *dev)
{
u32 i;
INIT_LIST_HEAD(&dev->inqueue);
INIT_LIST_HEAD(&dev->outqueue);
for (i = 0; i < EM2820_NUM_FRAMES; i++) {
for (i = 0; i < EM28XX_NUM_FRAMES; i++) {
dev->frame[i].state = F_UNUSED;
dev->frame[i].buf.bytesused = 0;
}
}
/*
* em2820_v4l2_open()
* em28xx_v4l2_open()
* inits the device and starts isoc transfer
*/
static int em2820_v4l2_open(struct inode *inode, struct file *filp)
static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
{
int minor = iminor(inode);
int errCode = 0;
struct em2820 *h,*dev = NULL;
struct em28xx *h,*dev = NULL;
struct list_head *list;
list_for_each(list,&em2820_devlist) {
h = list_entry(list, struct em2820, devlist);
list_for_each(list,&em28xx_devlist) {
h = list_entry(list, struct em28xx, devlist);
if (h->vdev->minor == minor) {
dev = h;
}
......@@ -297,14 +298,14 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
filp->private_data=dev;
em2820_videodbg("users=%d", dev->users);
em28xx_videodbg("users=%d", dev->users);
if (!down_read_trylock(&em2820_disconnect))
if (!down_read_trylock(&em28xx_disconnect))
return -ERESTARTSYS;
if (dev->users) {
em2820_warn("this driver can be opened only once\n");
up_read(&em2820_disconnect);
em28xx_warn("this driver can be opened only once\n");
up_read(&em28xx_disconnect);
return -EBUSY;
}
......@@ -322,7 +323,7 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
down(&dev->lock);
em2820_set_alternate(dev);
em28xx_set_alternate(dev);
dev->width = norm_maxw(dev);
dev->height = norm_maxh(dev);
......@@ -332,11 +333,11 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
dev->hscale = 0;
dev->vscale = 0;
em2820_capture_start(dev, 1);
em2820_resolution_set(dev);
em28xx_capture_start(dev, 1);
em28xx_resolution_set(dev);
/* start the transfer */
errCode = em2820_init_isoc(dev);
errCode = em28xx_init_isoc(dev);
if (errCode)
goto err;
......@@ -347,55 +348,55 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
dev->num_frames = 0;
/* prepare queues */
em2820_empty_framequeues(dev);
em28xx_empty_framequeues(dev);
dev->state |= DEV_INITIALIZED;
err:
up(&dev->lock);
up_read(&em2820_disconnect);
up_read(&em28xx_disconnect);
return errCode;
}
/*
* em2820_realease_resources()
* em28xx_realease_resources()
* unregisters the v4l2,i2c and usb devices
* called when the device gets disconected or at module unload
*/
static void em2820_release_resources(struct em2820 *dev)
static void em28xx_release_resources(struct em28xx *dev)
{
down(&em2820_sysfs_lock);
down(&em28xx_sysfs_lock);
em2820_info("V4L2 device /dev/video%d deregistered\n",
em28xx_info("V4L2 device /dev/video%d deregistered\n",
dev->vdev->minor);
list_del(&dev->devlist);
video_unregister_device(dev->vdev);
/* video_unregister_device(dev->vbi_dev); */
em2820_i2c_unregister(dev);
em28xx_i2c_unregister(dev);
usb_put_dev(dev->udev);
up(&em2820_sysfs_lock);
up(&em28xx_sysfs_lock);
}
/*
* em2820_v4l2_close()
* em28xx_v4l2_close()
* stops streaming and deallocates all resources allocated by the v4l2 calls and ioctls
*/
static int em2820_v4l2_close(struct inode *inode, struct file *filp)
static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
{
int errCode;
struct em2820 *dev=filp->private_data;
struct em28xx *dev=filp->private_data;
em2820_videodbg("users=%d", dev->users);
em28xx_videodbg("users=%d", dev->users);
down(&dev->lock);
em2820_uninit_isoc(dev);
em28xx_uninit_isoc(dev);
em2820_release_buffers(dev);
em28xx_release_buffers(dev);
/* the device is already disconnect, free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
em2820_release_resources(dev);
em28xx_release_resources(dev);
up(&dev->lock);
kfree(dev);
return 0;
......@@ -403,10 +404,10 @@ static int em2820_v4l2_close(struct inode *inode, struct file *filp)
/* set alternate 0 */
dev->alt = 0;
em2820_videodbg("setting alternate 0");
em28xx_videodbg("setting alternate 0");
errCode = usb_set_interface(dev->udev, 0, 0);
if (errCode < 0) {
em2820_errdev ("cannot change alternate number to 0 (error=%i)\n",
em28xx_errdev ("cannot change alternate number to 0 (error=%i)\n",
errCode);
}
......@@ -417,49 +418,49 @@ static int em2820_v4l2_close(struct inode *inode, struct file *filp)
}
/*
* em2820_v4l2_read()
* em28xx_v4l2_read()
* will allocate buffers when called for the first time
*/
static ssize_t
em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
loff_t * f_pos)
{
struct em2820_frame_t *f, *i;
struct em28xx_frame_t *f, *i;
unsigned long lock_flags;
int ret = 0;
struct em2820 *dev = filp->private_data;
struct em28xx *dev = filp->private_data;
if (down_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em2820_videodbg("device not present");
em28xx_videodbg("device not present");
up(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em2820_videodbg("device misconfigured; close and open it again");
em28xx_videodbg("device misconfigured; close and open it again");
up(&dev->fileop_lock);
return -EIO;
}
if (dev->io == IO_MMAP) {
em2820_videodbg ("IO method is set to mmap; close and open"
em28xx_videodbg ("IO method is set to mmap; close and open"
" the device again to choose the read method");
up(&dev->fileop_lock);
return -EINVAL;
}
if (dev->io == IO_NONE) {
if (!em2820_request_buffers(dev, EM2820_NUM_READ_FRAMES)) {
em2820_errdev("read failed, not enough memory\n");
if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) {
em28xx_errdev("read failed, not enough memory\n");
up(&dev->fileop_lock);
return -ENOMEM;
}
dev->io = IO_READ;
dev->stream = STREAM_ON;
em2820_queue_unusedframes(dev);
em28xx_queue_unusedframes(dev);
}
if (!count) {
......@@ -486,7 +487,7 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
}
}
f = list_entry(dev->outqueue.prev, struct em2820_frame_t, frame);
f = list_entry(dev->outqueue.prev, struct em28xx_frame_t, frame);
spin_lock_irqsave(&dev->queue_lock, lock_flags);
list_for_each_entry(i, &dev->outqueue, frame)
......@@ -494,7 +495,7 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
INIT_LIST_HEAD(&dev->outqueue);
spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
em2820_queue_unusedframes(dev);
em28xx_queue_unusedframes(dev);
if (count > f->buf.length)
count = f->buf.length;
......@@ -511,26 +512,26 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
}
/*
* em2820_v4l2_poll()
* em28xx_v4l2_poll()
* will allocate buffers when called for the first time
*/
static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
{
unsigned int mask = 0;
struct em2820 *dev = filp->private_data;
struct em28xx *dev = filp->private_data;
if (down_interruptible(&dev->fileop_lock))
return POLLERR;
if (dev->state & DEV_DISCONNECTED) {
em2820_videodbg("device not present");
em28xx_videodbg("device not present");
} else if (dev->state & DEV_MISCONFIGURED) {
em2820_videodbg("device is misconfigured; close and open it again");
em28xx_videodbg("device is misconfigured; close and open it again");
} else {
if (dev->io == IO_NONE) {
if (!em2820_request_buffers
(dev, EM2820_NUM_READ_FRAMES)) {
em2820_warn
if (!em28xx_request_buffers
(dev, EM28XX_NUM_READ_FRAMES)) {
em28xx_warn
("poll() failed, not enough memory\n");
} else {
dev->io = IO_READ;
......@@ -539,7 +540,7 @@ static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
}
if (dev->io == IO_READ) {
em2820_queue_unusedframes(dev);
em28xx_queue_unusedframes(dev);
poll_wait(filp, &dev->wait_frame, wait);
if (!list_empty(&dev->outqueue))
......@@ -556,51 +557,51 @@ static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
}
/*
* em2820_vm_open()
* em28xx_vm_open()
*/
static void em2820_vm_open(struct vm_area_struct *vma)
static void em28xx_vm_open(struct vm_area_struct *vma)
{
struct em2820_frame_t *f = vma->vm_private_data;
struct em28xx_frame_t *f = vma->vm_private_data;
f->vma_use_count++;
}
/*
* em2820_vm_close()
* em28xx_vm_close()
*/
static void em2820_vm_close(struct vm_area_struct *vma)
static void em28xx_vm_close(struct vm_area_struct *vma)
{
/* NOTE: buffers are not freed here */
struct em2820_frame_t *f = vma->vm_private_data;
struct em28xx_frame_t *f = vma->vm_private_data;
f->vma_use_count--;
}
static struct vm_operations_struct em2820_vm_ops = {
.open = em2820_vm_open,
.close = em2820_vm_close,
static struct vm_operations_struct em28xx_vm_ops = {
.open = em28xx_vm_open,
.close = em28xx_vm_close,
};
/*
* em2820_v4l2_mmap()
* em28xx_v4l2_mmap()
*/
static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
unsigned long size = vma->vm_end - vma->vm_start,
start = vma->vm_start, pos, page;
u32 i;
struct em2820 *dev = filp->private_data;
struct em28xx *dev = filp->private_data;
if (down_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em2820_videodbg("mmap: device not present");
em28xx_videodbg("mmap: device not present");
up(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em2820_videodbg ("mmap: Device is misconfigured; close and "
em28xx_videodbg ("mmap: Device is misconfigured; close and "
"open it again");
up(&dev->fileop_lock);
return -EIO;
......@@ -617,7 +618,7 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
break;
}
if (i == dev->num_frames) {
em2820_videodbg("mmap: user supplied mapping address is out of range");
em28xx_videodbg("mmap: user supplied mapping address is out of range");
up(&dev->fileop_lock);
return -EINVAL;
}
......@@ -631,7 +632,7 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE,
vma->vm_page_prot)) {
em2820_videodbg("mmap: rename page map failed");
em28xx_videodbg("mmap: rename page map failed");
up(&dev->fileop_lock);
return -EAGAIN;
}
......@@ -640,19 +641,19 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
size -= PAGE_SIZE;
}
vma->vm_ops = &em2820_vm_ops;
vma->vm_ops = &em28xx_vm_ops;
vma->vm_private_data = &dev->frame[i];
em2820_vm_open(vma);
em28xx_vm_open(vma);
up(&dev->fileop_lock);
return 0;
}
/*
* em2820_get_ctrl()
* em28xx_get_ctrl()
* return the current saturation, brightness or contrast, mute state
*/
static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
{
s32 tmp;
switch (ctrl->id) {
......@@ -663,30 +664,30 @@ static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
ctrl->value = dev->volume;
return 0;
case V4L2_CID_BRIGHTNESS:
if ((tmp = em2820_brightness_get(dev)) < 0)
if ((tmp = em28xx_brightness_get(dev)) < 0)
return -EIO;
ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */
return 0;
case V4L2_CID_CONTRAST:
if ((ctrl->value = em2820_contrast_get(dev)) < 0)
if ((ctrl->value = em28xx_contrast_get(dev)) < 0)
return -EIO;
return 0;
case V4L2_CID_SATURATION:
if ((ctrl->value = em2820_saturation_get(dev)) < 0)
if ((ctrl->value = em28xx_saturation_get(dev)) < 0)
return -EIO;
return 0;
case V4L2_CID_RED_BALANCE:
if ((tmp = em2820_v_balance_get(dev)) < 0)
if ((tmp = em28xx_v_balance_get(dev)) < 0)
return -EIO;
ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */
return 0;
case V4L2_CID_BLUE_BALANCE:
if ((tmp = em2820_u_balance_get(dev)) < 0)
if ((tmp = em28xx_u_balance_get(dev)) < 0)
return -EIO;
ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */
return 0;
case V4L2_CID_GAMMA:
if ((ctrl->value = em2820_gamma_get(dev)) < 0)
if ((ctrl->value = em28xx_gamma_get(dev)) < 0)
return -EIO;
return 0;
default:
......@@ -695,44 +696,44 @@ static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
}
/*
* em2820_set_ctrl()
* em28xx_set_ctrl()
* mute or set new saturation, brightness or contrast
*/
static int em2820_set_ctrl(struct em2820 *dev, const struct v4l2_control *ctrl)
static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
if (ctrl->value != dev->mute) {
dev->mute = ctrl->value;
em2820_audio_usb_mute(dev, ctrl->value);
return em2820_audio_analog_set(dev);
em28xx_audio_usb_mute(dev, ctrl->value);
return em28xx_audio_analog_set(dev);
}
return 0;
case V4L2_CID_AUDIO_VOLUME:
dev->volume = ctrl->value;
return em2820_audio_analog_set(dev);
return em28xx_audio_analog_set(dev);
case V4L2_CID_BRIGHTNESS:
return em2820_brightness_set(dev, ctrl->value);
return em28xx_brightness_set(dev, ctrl->value);
case V4L2_CID_CONTRAST:
return em2820_contrast_set(dev, ctrl->value);
return em28xx_contrast_set(dev, ctrl->value);
case V4L2_CID_SATURATION:
return em2820_saturation_set(dev, ctrl->value);
return em28xx_saturation_set(dev, ctrl->value);
case V4L2_CID_RED_BALANCE:
return em2820_v_balance_set(dev, ctrl->value);
return em28xx_v_balance_set(dev, ctrl->value);
case V4L2_CID_BLUE_BALANCE:
return em2820_u_balance_set(dev, ctrl->value);
return em28xx_u_balance_set(dev, ctrl->value);
case V4L2_CID_GAMMA:
return em2820_gamma_set(dev, ctrl->value);
return em28xx_gamma_set(dev, ctrl->value);
default:
return -EINVAL;
}
}
/*
* em2820_stream_interrupt()
* em28xx_stream_interrupt()
* stops streaming
*/
static int em2820_stream_interrupt(struct em2820 *dev)
static int em28xx_stream_interrupt(struct em28xx *dev)
{
int ret = 0;
......@@ -742,12 +743,12 @@ static int em2820_stream_interrupt(struct em2820 *dev)
ret = wait_event_timeout(dev->wait_stream,
(dev->stream == STREAM_OFF) ||
(dev->state & DEV_DISCONNECTED),
EM2820_URB_TIMEOUT);
EM28XX_URB_TIMEOUT);
if (dev->state & DEV_DISCONNECTED)
return -ENODEV;
else if (ret) {
dev->state |= DEV_MISCONFIGURED;
em2820_videodbg("device is misconfigured; close and "
em28xx_videodbg("device is misconfigured; close and "
"open /dev/video%d again", dev->vdev->minor);
return ret;
}
......@@ -755,7 +756,7 @@ static int em2820_stream_interrupt(struct em2820 *dev)
return 0;
}
static int em2820_set_norm(struct em2820 *dev, int width, int height)
static int em28xx_set_norm(struct em28xx *dev, int width, int height)
{
unsigned int hscale, vscale;
unsigned int maxh, maxw;
......@@ -794,41 +795,41 @@ static int em2820_set_norm(struct em2820 *dev, int width, int height)
dev->hscale = hscale;
dev->vscale = vscale;
em2820_resolution_set(dev);
em28xx_resolution_set(dev);
return 0;
}
static void video_mux(struct em2820 *dev, int index)
static void video_mux(struct em28xx *dev, int index)
{
int input, ainput;
input = INPUT(index)->vmux;
dev->ctl_input = index;
em2820_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
dev->ctl_ainput = INPUT(index)->amux;
switch (dev->ctl_ainput) {
case 0:
ainput = EM2820_AUDIO_SRC_TUNER;
ainput = EM28XX_AUDIO_SRC_TUNER;
break;
default:
ainput = EM2820_AUDIO_SRC_LINE;
ainput = EM28XX_AUDIO_SRC_LINE;
}
em2820_audio_source(dev, ainput);
em28xx_audio_source(dev, ainput);
}
/*
* em2820_v4l2_do_ioctl()
* em28xx_v4l2_do_ioctl()
* This function is _not_ called directly, but from
* em2820_v4l2_ioctl. Userspace
* em28xx_v4l2_ioctl. Userspace
* copying is done already, arg is a kernel pointer.
*/
static int em2820_do_ioctl(struct inode *inode, struct file *filp,
struct em2820 *dev, unsigned int cmd, void *arg,
static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
struct em28xx *dev, unsigned int cmd, void *arg,
v4l2_kioctl driver_ioctl)
{
int ret;
......@@ -875,7 +876,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
down(&dev->lock);
dev->tvnorm = &tvnorms[i];
em2820_set_norm(dev, dev->width, dev->height);
em28xx_set_norm(dev, dev->width, dev->height);
/*
dev->width=norm_maxw(dev);
......@@ -886,18 +887,18 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
dev->hscale=0;
dev->vscale=0;
em2820_resolution_set(dev);
em28xx_resolution_set(dev);
*/
/*
em2820_uninit_isoc(dev);
em2820_set_alternate(dev);
em2820_capture_start(dev, 1);
em2820_resolution_set(dev);
em2820_init_isoc(dev);
em28xx_uninit_isoc(dev);
em28xx_set_alternate(dev);
em28xx_capture_start(dev, 1);
em28xx_resolution_set(dev);
em28xx_init_isoc(dev);
*/
em2820_i2c_call_clients(dev, DECODER_SET_NORM,
em28xx_i2c_call_clients(dev, DECODER_SET_NORM,
&tvnorms[i].mode);
em2820_i2c_call_clients(dev, VIDIOC_S_STD,
em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
&dev->tvnorm->id);
up(&dev->lock);
......@@ -911,19 +912,19 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
struct v4l2_input *i = arg;
unsigned int n;
static const char *iname[] = {
[EM2820_VMUX_COMPOSITE1] = "Composite1",
[EM2820_VMUX_COMPOSITE2] = "Composite2",
[EM2820_VMUX_COMPOSITE3] = "Composite3",
[EM2820_VMUX_COMPOSITE4] = "Composite4",
[EM2820_VMUX_SVIDEO] = "S-Video",
[EM2820_VMUX_TELEVISION] = "Television",
[EM2820_VMUX_CABLE] = "Cable TV",
[EM2820_VMUX_DVB] = "DVB",
[EM2820_VMUX_DEBUG] = "for debug only",
[EM28XX_VMUX_COMPOSITE1] = "Composite1",
[EM28XX_VMUX_COMPOSITE2] = "Composite2",
[EM28XX_VMUX_COMPOSITE3] = "Composite3",
[EM28XX_VMUX_COMPOSITE4] = "Composite4",
[EM28XX_VMUX_SVIDEO] = "S-Video",
[EM28XX_VMUX_TELEVISION] = "Television",
[EM28XX_VMUX_CABLE] = "Cable TV",
[EM28XX_VMUX_DVB] = "DVB",
[EM28XX_VMUX_DEBUG] = "for debug only",
};
n = i->index;
if (n >= MAX_EM2820_INPUT)
if (n >= MAX_EM28XX_INPUT)
return -EINVAL;
if (0 == INPUT(n)->type)
return -EINVAL;
......@@ -931,8 +932,8 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
i->index = n;
i->type = V4L2_INPUT_TYPE_CAMERA;
strcpy(i->name, iname[INPUT(n)->type]);
if ((EM2820_VMUX_TELEVISION == INPUT(n)->type) ||
(EM2820_VMUX_CABLE == INPUT(n)->type))
if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
(EM28XX_VMUX_CABLE == INPUT(n)->type))
i->type = V4L2_INPUT_TYPE_TUNER;
for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
i->std |= tvnorms[n].id;
......@@ -951,7 +952,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
{
int *index = arg;
if (*index >= MAX_EM2820_INPUT)
if (*index >= MAX_EM28XX_INPUT)
return -EINVAL;
if (0 == INPUT(*index)->type)
return -EINVAL;
......@@ -997,10 +998,10 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
{
struct v4l2_queryctrl *qc = arg;
u8 i, n;
n = sizeof(em2820_qctrl) / sizeof(em2820_qctrl[0]);
n = sizeof(em28xx_qctrl) / sizeof(em28xx_qctrl[0]);
for (i = 0; i < n; i++)
if (qc->id && qc->id == em2820_qctrl[i].id) {
memcpy(qc, &(em2820_qctrl[i]),
if (qc->id && qc->id == em28xx_qctrl[i].id) {
memcpy(qc, &(em28xx_qctrl[i]),
sizeof(*qc));
return 0;
}
......@@ -1013,7 +1014,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
struct v4l2_control *ctrl = arg;
return em2820_get_ctrl(dev, ctrl);
return em28xx_get_ctrl(dev, ctrl);
}
case VIDIOC_S_CTRL_OLD: /* ??? */
......@@ -1023,16 +1024,16 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
u8 i, n;
n = sizeof(em2820_qctrl) / sizeof(em2820_qctrl[0]);
n = sizeof(em28xx_qctrl) / sizeof(em28xx_qctrl[0]);
for (i = 0; i < n; i++)
if (ctrl->id == em2820_qctrl[i].id) {
if (ctrl->id == em28xx_qctrl[i].id) {
if (ctrl->value <
em2820_qctrl[i].minimum
em28xx_qctrl[i].minimum
|| ctrl->value >
em2820_qctrl[i].maximum)
em28xx_qctrl[i].maximum)
return -ERANGE;
return em2820_set_ctrl(dev, ctrl);
return em28xx_set_ctrl(dev, ctrl);
}
return -EINVAL;
}
......@@ -1052,16 +1053,16 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
t->capability = V4L2_TUNER_CAP_NORM;
t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
/* t->signal = 0xffff;*/
/* em2820_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
/* em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
/* No way to get signal strength? */
down(&dev->lock);
em2820_i2c_call_clients(dev, DECODER_GET_STATUS,
em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
&status);
up(&dev->lock);
t->signal =
(status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
em2820_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x", t->signal,
em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x", t->signal,
t->afc);
return 0;
}
......@@ -1080,13 +1081,13 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
/* t->signal = 0xffff; */
/* No way to get signal strength? */
down(&dev->lock);
em2820_i2c_call_clients(dev, DECODER_GET_STATUS,
em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
&status);
up(&dev->lock);
t->signal =
(status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
em2820_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
em28xx_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
t->signal, t->afc);
return 0;
}
......@@ -1112,7 +1113,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
down(&dev->lock);
dev->ctl_freq = f->frequency;
em2820_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
up(&dev->lock);
return 0;
}
......@@ -1145,7 +1146,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
em2820_videodbg("VIDIOC_STREAMON: starting stream");
em28xx_videodbg("VIDIOC_STREAMON: starting stream");
return 0;
}
......@@ -1159,11 +1160,11 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
return -EINVAL;
if (dev->stream == STREAM_ON) {
em2820_videodbg ("VIDIOC_STREAMOFF: interrupting stream");
if ((ret = em2820_stream_interrupt(dev)))
em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
em2820_empty_framequeues(dev);
em28xx_empty_framequeues(dev);
return 0;
}
......@@ -1175,21 +1176,21 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
}
/*
* em2820_v4l2_do_ioctl()
* em28xx_v4l2_do_ioctl()
* This function is _not_ called directly, but from
* em2820_v4l2_ioctl. Userspace
* em28xx_v4l2_ioctl. Userspace
* copying is done already, arg is a kernel pointer.
*/
static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
static int em28xx_video_do_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, void *arg)
{
struct em2820 *dev = filp->private_data;
struct em28xx *dev = filp->private_data;
if (!dev)
return -ENODEV;
if (video_debug > 1)
em2820_print_ioctl(dev->name,cmd);
em28xx_print_ioctl(dev->name,cmd);
switch (cmd) {
......@@ -1199,12 +1200,12 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
struct v4l2_capability *cap = arg;
memset(cap, 0, sizeof(*cap));
strlcpy(cap->driver, "em2820", sizeof(cap->driver));
strlcpy(cap->card, em2820_boards[dev->model].name,
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name,
sizeof(cap->card));
strlcpy(cap->bus_info, dev->udev->dev.bus_id,
sizeof(cap->bus_info));
cap->version = EM2820_VERSION_CODE;
cap->version = EM28XX_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_AUDIO |
......@@ -1233,7 +1234,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
{
struct v4l2_format *format = arg;
em2820_videodbg("VIDIOC_G_FMT: type=%s",
em28xx_videodbg("VIDIOC_G_FMT: type=%s",
format->type ==
V4L2_BUF_TYPE_VIDEO_CAPTURE ?
"V4L2_BUF_TYPE_VIDEO_CAPTURE" : format->type ==
......@@ -1252,7 +1253,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
em2820_videodbg("VIDIOC_G_FMT: %dx%d", dev->width,
em28xx_videodbg("VIDIOC_G_FMT: %dx%d", dev->width,
dev->height);
return 0;
}
......@@ -1273,7 +1274,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
/* int both_fields; */
em2820_videodbg("%s: type=%s",
em28xx_videodbg("%s: type=%s",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT",
......@@ -1287,7 +1288,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
em2820_videodbg("%s: requested %dx%d",
em28xx_videodbg("%s: requested %dx%d",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT", format->fmt.pix.width,
......@@ -1346,7 +1347,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
format->fmt.pix.field = V4L2_FIELD_INTERLACED;
em2820_videodbg("%s: returned %dx%d (%d, %d)",
em28xx_videodbg("%s: returned %dx%d (%d, %d)",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT", format->fmt.pix.width,
......@@ -1357,19 +1358,19 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
for (i = 0; i < dev->num_frames; i++)
if (dev->frame[i].vma_use_count) {
em2820_videodbg("VIDIOC_S_FMT failed. "
em28xx_videodbg("VIDIOC_S_FMT failed. "
"Unmap the buffers first.");
return -EINVAL;
}
/* stop io in case it is already in progress */
if (dev->stream == STREAM_ON) {
em2820_videodbg("VIDIOC_SET_FMT: interupting stream");
if ((ret = em2820_stream_interrupt(dev)))
em28xx_videodbg("VIDIOC_SET_FMT: interupting stream");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
em2820_release_buffers(dev);
em28xx_release_buffers(dev);
dev->io = IO_NONE;
/* set new image size */
......@@ -1381,11 +1382,11 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
dev->hscale = hscale;
dev->vscale = vscale;
/* dev->both_fileds = both_fileds; */
em2820_uninit_isoc(dev);
em2820_set_alternate(dev);
em2820_capture_start(dev, 1);
em2820_resolution_set(dev);
em2820_init_isoc(dev);
em28xx_uninit_isoc(dev);
em28xx_set_alternate(dev);
em28xx_capture_start(dev, 1);
em28xx_resolution_set(dev);
em28xx_init_isoc(dev);
return 0;
}
......@@ -1402,7 +1403,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
return -EINVAL;
if (dev->io == IO_READ) {
em2820_videodbg ("method is set to read;"
em28xx_videodbg ("method is set to read;"
" close and open the device again to"
" choose the mmap I/O method");
return -EINVAL;
......@@ -1410,26 +1411,26 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
for (i = 0; i < dev->num_frames; i++)
if (dev->frame[i].vma_use_count) {
em2820_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped");
em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped");
return -EINVAL;
}
if (dev->stream == STREAM_ON) {
em2820_videodbg("VIDIOC_REQBUFS: interrupting stream");
if ((ret = em2820_stream_interrupt(dev)))
em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
em2820_empty_framequeues(dev);
em28xx_empty_framequeues(dev);
em2820_release_buffers(dev);
em28xx_release_buffers(dev);
if (rb->count)
rb->count =
em2820_request_buffers(dev, rb->count);
em28xx_request_buffers(dev, rb->count);
dev->frame_current = NULL;
em2820_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i",
em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i",
rb->count);
dev->io = rb->count ? IO_MMAP : IO_NONE;
return 0;
......@@ -1480,7 +1481,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
case VIDIOC_DQBUF:
{
struct v4l2_buffer *b = arg;
struct em2820_frame_t *f;
struct em28xx_frame_t *f;
unsigned long lock_flags;
int ret = 0;
......@@ -1505,7 +1506,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
spin_lock_irqsave(&dev->queue_lock, lock_flags);
f = list_entry(dev->outqueue.next,
struct em2820_frame_t, frame);
struct em28xx_frame_t, frame);
list_del(dev->outqueue.next);
spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
......@@ -1518,66 +1519,66 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
return 0;
}
default:
return em2820_do_ioctl(inode, filp, dev, cmd, arg,
em2820_video_do_ioctl);
return em28xx_do_ioctl(inode, filp, dev, cmd, arg,
em28xx_video_do_ioctl);
}
return 0;
}
/*
* em2820_v4l2_ioctl()
* handle v4l2 ioctl the main action happens in em2820_v4l2_do_ioctl()
* em28xx_v4l2_ioctl()
* handle v4l2 ioctl the main action happens in em28xx_v4l2_do_ioctl()
*/
static int em2820_v4l2_ioctl(struct inode *inode, struct file *filp,
static int em28xx_v4l2_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
struct em2820 *dev = filp->private_data;
struct em28xx *dev = filp->private_data;
if (down_interruptible(&dev->fileop_lock))
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
em2820_errdev("v4l2 ioctl: device not present\n");
em28xx_errdev("v4l2 ioctl: device not present\n");
up(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em2820_errdev
em28xx_errdev
("v4l2 ioctl: device is misconfigured; close and open it again\n");
up(&dev->fileop_lock);
return -EIO;
}
ret = video_usercopy(inode, filp, cmd, arg, em2820_video_do_ioctl);
ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl);
up(&dev->fileop_lock);
return ret;
}
static struct file_operations em2820_v4l_fops = {
static struct file_operations em28xx_v4l_fops = {
.owner = THIS_MODULE,
.open = em2820_v4l2_open,
.release = em2820_v4l2_close,
.ioctl = em2820_v4l2_ioctl,
.read = em2820_v4l2_read,
.poll = em2820_v4l2_poll,
.mmap = em2820_v4l2_mmap,
.open = em28xx_v4l2_open,
.release = em28xx_v4l2_close,
.ioctl = em28xx_v4l2_ioctl,
.read = em28xx_v4l2_read,
.poll = em28xx_v4l2_poll,
.mmap = em28xx_v4l2_mmap,
.llseek = no_llseek,
};
/******************************** usb interface *****************************************/
/*
* em2820_init_dev()
* em28xx_init_dev()
* allocates and inits the device structs, registers i2c bus and v4l device
*/
static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
int minor, int model)
{
struct em2820 *dev = *devhandle;
struct em28xx *dev = *devhandle;
int retval = -ENOMEM;
int errCode, i;
unsigned int maxh, maxw;
......@@ -1588,33 +1589,33 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
init_MUTEX(&dev->lock);
init_waitqueue_head(&dev->open);
dev->em2820_write_regs = em2820_write_regs;
dev->em2820_read_reg = em2820_read_reg;
dev->em2820_read_reg_req_len = em2820_read_reg_req_len;
dev->em2820_write_regs_req = em2820_write_regs_req;
dev->em2820_read_reg_req = em2820_read_reg_req;
dev->is_em2800 = em2820_boards[model].is_em2800;
dev->has_tuner = em2820_boards[model].has_tuner;
dev->has_msp34xx = em2820_boards[model].has_msp34xx;
dev->tda9887_conf = em2820_boards[model].tda9887_conf;
dev->decoder = em2820_boards[model].decoder;
dev->em28xx_write_regs = em28xx_write_regs;
dev->em28xx_read_reg = em28xx_read_reg;
dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len;
dev->em28xx_write_regs_req = em28xx_write_regs_req;
dev->em28xx_read_reg_req = em28xx_read_reg_req;
dev->is_em2800 = em28xx_boards[model].is_em2800;
dev->has_tuner = em28xx_boards[model].has_tuner;
dev->has_msp34xx = em28xx_boards[model].has_msp34xx;
dev->tda9887_conf = em28xx_boards[model].tda9887_conf;
dev->decoder = em28xx_boards[model].decoder;
if (tuner >= 0)
dev->tuner_type = tuner;
else
dev->tuner_type = em2820_boards[model].tuner_type;
dev->tuner_type = em28xx_boards[model].tuner_type;
dev->video_inputs = em2820_boards[model].vchannels;
dev->video_inputs = em28xx_boards[model].vchannels;
for (i = 0; i < TVNORMS; i++)
if (em2820_boards[model].norm == tvnorms[i].mode)
if (em28xx_boards[model].norm == tvnorms[i].mode)
break;
if (i == TVNORMS)
i = 0;
dev->tvnorm = &tvnorms[i]; /* set default norm */
em2820_videodbg("tvnorm=%s\n", dev->tvnorm->name);
em28xx_videodbg("tvnorm=%s\n", dev->tvnorm->name);
maxw = norm_maxw(dev);
maxh = norm_maxh(dev);
......@@ -1622,7 +1623,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
/* set default image size */
dev->width = maxw;
dev->height = maxh;
dev->interlaced = EM2820_INTERLACED_DEFAULT;
dev->interlaced = EM28XX_INTERLACED_DEFAULT;
dev->field_size = dev->width * dev->height;
dev->frame_size =
dev->interlaced ? dev->field_size << 1 : dev->field_size;
......@@ -1644,7 +1645,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
/* compute alternate max packet sizes */
uif = dev->udev->actconfig->interface[0];
dev->alt_max_pkt_size[0] = 0;
for (i = 1; i <= EM2820_MAX_ALT && i < uif->num_altsetting ; i++) {
for (i = 1; i <= EM28XX_MAX_ALT && i < uif->num_altsetting ; i++) {
u16 tmp =
le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
wMaxPacketSize);
......@@ -1654,35 +1655,35 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
#ifdef CONFIG_MODULES
/* request some modules */
if (dev->decoder == EM2820_SAA7113 || dev->decoder == EM2820_SAA7114)
if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
request_module("saa711x");
if (dev->decoder == EM2820_TVP5150)
if (dev->decoder == EM28XX_TVP5150)
request_module("tvp5150");
if (dev->has_tuner)
request_module("tuner");
if (dev->tda9887_conf)
request_module("tda9887");
#endif
errCode = em2820_config(dev);
errCode = em28xx_config(dev);
if (errCode) {
em2820_errdev("error configuring device\n");
em28xx_errdev("error configuring device\n");
kfree(dev);
return -ENOMEM;
}
down(&dev->lock);
/* register i2c bus */
em2820_i2c_register(dev);
em28xx_i2c_register(dev);
/* Do board specific init and eeprom reading */
em2820_card_setup(dev);
em28xx_card_setup(dev);
/* configure the device */
em2820_config_i2c(dev);
em28xx_config_i2c(dev);
up(&dev->lock);
errCode = em2820_config(dev);
errCode = em28xx_config(dev);
#ifdef CONFIG_MODULES
if (dev->has_msp34xx)
......@@ -1691,7 +1692,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
/* allocate and fill v4l2 device struct */
dev->vdev = video_device_alloc();
if (NULL == dev->vdev) {
em2820_errdev("cannot allocate video_device.\n");
em28xx_errdev("cannot allocate video_device.\n");
kfree(dev);
return -ENOMEM;
}
......@@ -1700,18 +1701,18 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
if (dev->has_tuner)
dev->vdev->type |= VID_TYPE_TUNER;
dev->vdev->hardware = 0;
dev->vdev->fops = &em2820_v4l_fops;
dev->vdev->fops = &em28xx_v4l_fops;
dev->vdev->minor = -1;
dev->vdev->dev = &dev->udev->dev;
dev->vdev->release = video_device_release;
snprintf(dev->vdev->name, sizeof(dev->vdev->name), "%s",
"em2820 video");
list_add_tail(&dev->devlist,&em2820_devlist);
"em28xx video");
list_add_tail(&dev->devlist,&em28xx_devlist);
/* register v4l2 device */
down(&dev->lock);
if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1))) {
em2820_errdev("unable to register video device (error=%i).\n",
em28xx_errdev("unable to register video device (error=%i).\n",
retval);
up(&dev->lock);
list_del(&dev->devlist);
......@@ -1721,9 +1722,9 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
}
if (dev->has_msp34xx) {
/* Send a reset to other chips via gpio */
em2820_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
udelay(2500);
em2820_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
udelay(2500);
}
......@@ -1731,22 +1732,22 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
up(&dev->lock);
em2820_info("V4L2 device registered as /dev/video%d\n",
em28xx_info("V4L2 device registered as /dev/video%d\n",
dev->vdev->minor);
return 0;
}
/*
* em2820_usb_probe()
* em28xx_usb_probe()
* checks for supported devices
*/
static int em2820_usb_probe(struct usb_interface *interface,
static int em28xx_usb_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
const struct usb_endpoint_descriptor *endpoint;
struct usb_device *udev;
struct em2820 *dev = NULL;
struct em28xx *dev = NULL;
int retval = -ENODEV;
int model,i,nr,ifnum;
......@@ -1756,14 +1757,14 @@ static int em2820_usb_probe(struct usb_interface *interface,
/* Don't register audio interfaces */
if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
em2820_err(DRIVER_NAME " audio device (%04x:%04x): interface %i, class %i\n",
em28xx_err(DRIVER_NAME " audio device (%04x:%04x): interface %i, class %i\n",
udev->descriptor.idVendor,udev->descriptor.idProduct,
ifnum,
interface->altsetting[0].desc.bInterfaceClass);
return -ENODEV;
}
em2820_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n",
em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n",
udev->descriptor.idVendor,udev->descriptor.idProduct,
ifnum,
interface->altsetting[0].desc.bInterfaceClass);
......@@ -1773,33 +1774,33 @@ static int em2820_usb_probe(struct usb_interface *interface,
/* check if the the device has the iso in endpoint at the correct place */
if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
USB_ENDPOINT_XFER_ISOC) {
em2820_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n");
em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n");
return -ENODEV;
}
if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
em2820_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n");
em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n");
return -ENODEV;
}
model=id->driver_info;
nr=interface->minor;
if (nr>EM2820_MAXBOARDS) {
printk ("em2820: Supports only %i em28xx boards.\n",EM2820_MAXBOARDS);
if (nr>EM28XX_MAXBOARDS) {
printk ("em28xx: Supports only %i em28xx boards.\n",EM28XX_MAXBOARDS);
return -ENOMEM;
}
/* allocate memory for our device state and initialize it */
dev = kmalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
em2820_err(DRIVER_NAME ": out of memory!\n");
em28xx_err(DRIVER_NAME ": out of memory!\n");
return -ENOMEM;
}
memset(dev, 0, sizeof(*dev));
snprintf(dev->name, 29, "em2820 #%d", nr);
snprintf(dev->name, 29, "em28xx #%d", nr);
if ((card[nr]>=0)&&(card[nr]<em2820_bcount))
if ((card[nr]>=0)&&(card[nr]<em28xx_bcount))
model=card[nr];
if ((model==EM2800_BOARD_UNKNOWN)||(model==EM2820_BOARD_UNKNOWN)) {
......@@ -1811,18 +1812,18 @@ static int em2820_usb_probe(struct usb_interface *interface,
dev->name,dev->name,dev->name,dev->name,dev->name);
printk("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
dev->name);
for (i = 0; i < em2820_bcount; i++) {
for (i = 0; i < em28xx_bcount; i++) {
printk("%s: card=%d -> %s\n",
dev->name, i, em2820_boards[i].name);
dev->name, i, em28xx_boards[i].name);
}
}
/* allocate device struct */
retval = em2820_init_dev(&dev, udev, nr, model);
retval = em28xx_init_dev(&dev, udev, nr, model);
if (retval)
return retval;
em2820_info("Found %s\n", em2820_boards[model].name);
em28xx_info("Found %s\n", em28xx_boards[model].name);
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
......@@ -1830,38 +1831,38 @@ static int em2820_usb_probe(struct usb_interface *interface,
}
/*
* em2820_usb_disconnect()
* em28xx_usb_disconnect()
* called when the device gets diconencted
* video device will be unregistered on v4l2_close in case it is still open
*/
static void em2820_usb_disconnect(struct usb_interface *interface)
static void em28xx_usb_disconnect(struct usb_interface *interface)
{
struct em2820 *dev = usb_get_intfdata(interface);
struct em28xx *dev = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
if (!dev)
return;
down_write(&em2820_disconnect);
down_write(&em28xx_disconnect);
down(&dev->lock);
em2820_info("disconnecting %s\n", dev->vdev->name);
em28xx_info("disconnecting %s\n", dev->vdev->name);
wake_up_interruptible_all(&dev->open);
if (dev->users) {
em2820_warn
em28xx_warn
("device /dev/video%d is open! Deregistration and memory "
"deallocation are deferred on close.\n", dev->vdev->minor);
dev->state |= DEV_MISCONFIGURED;
em2820_uninit_isoc(dev);
em28xx_uninit_isoc(dev);
dev->state |= DEV_DISCONNECTED;
wake_up_interruptible(&dev->wait_frame);
wake_up_interruptible(&dev->wait_stream);
} else {
dev->state |= DEV_DISCONNECTED;
em2820_release_resources(dev);
em28xx_release_resources(dev);
}
up(&dev->lock);
......@@ -1869,44 +1870,44 @@ static void em2820_usb_disconnect(struct usb_interface *interface)
if (!dev->users)
kfree(dev);
up_write(&em2820_disconnect);
up_write(&em28xx_disconnect);
}
static struct usb_driver em2820_usb_driver = {
static struct usb_driver em28xx_usb_driver = {
.owner = THIS_MODULE,
.name = "em2820",
.probe = em2820_usb_probe,
.disconnect = em2820_usb_disconnect,
.id_table = em2820_id_table,
.name = "em28xx",
.probe = em28xx_usb_probe,
.disconnect = em28xx_usb_disconnect,
.id_table = em28xx_id_table,
};
static int __init em2820_module_init(void)
static int __init em28xx_module_init(void)
{
int result;
printk(KERN_INFO DRIVER_NAME " v4l2 driver version %d.%d.%d loaded\n",
(EM2820_VERSION_CODE >> 16) & 0xff,
(EM2820_VERSION_CODE >> 8) & 0xff, EM2820_VERSION_CODE & 0xff);
(EM28XX_VERSION_CODE >> 16) & 0xff,
(EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff);
#ifdef SNAPSHOT
printk(KERN_INFO DRIVER_NAME " snapshot date %04d-%02d-%02d\n",
SNAPSHOT / 10000, (SNAPSHOT / 100) % 100, SNAPSHOT % 100);
#endif
/* register this driver with the USB subsystem */
result = usb_register(&em2820_usb_driver);
result = usb_register(&em28xx_usb_driver);
if (result)
em2820_err(DRIVER_NAME
em28xx_err(DRIVER_NAME
" usb_register failed. Error number %d.\n", result);
return result;
}
static void __exit em2820_module_exit(void)
static void __exit em28xx_module_exit(void)
{
/* deregister this driver with the USB subsystem */
usb_deregister(&em2820_usb_driver);
usb_deregister(&em28xx_usb_driver);
}
module_init(em2820_module_init);
module_exit(em2820_module_exit);
module_init(em28xx_module_init);
module_exit(em28xx_module_exit);
drivers/media/video/em28xx/em28xx.h
浏览文件 @ 3acf2809
/*
em2820-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
Ludovico Cavedon <cavedon@sssup.it>
......@@ -22,8 +22,8 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _EM2820_H
#define _EM2820_H
#ifndef _EM28XX_H
#define _EM28XX_H
#include <linux/videodev.h>
#include <linux/i2c.h>
......@@ -45,27 +45,27 @@
#define UNSET -1
/* maximum number of em28xx boards */
#define EM2820_MAXBOARDS 1 /*FIXME: should be bigger */
#define EM28XX_MAXBOARDS 1 /*FIXME: should be bigger */
/* maximum number of frames that can be queued */
#define EM2820_NUM_FRAMES 5
#define EM28XX_NUM_FRAMES 5
/* number of frames that get used for v4l2_read() */
#define EM2820_NUM_READ_FRAMES 2
#define EM28XX_NUM_READ_FRAMES 2
/* number of buffers for isoc transfers */
#define EM2820_NUM_BUFS 5
#define EM28XX_NUM_BUFS 5
/* number of packets for each buffer
windows requests only 40 packets .. so we better do the same
this is what I found out for all alternate numbers there!
*/
#define EM2820_NUM_PACKETS 40
#define EM28XX_NUM_PACKETS 40
/* default alternate; 0 means choose the best */
#define EM2820_PINOUT 0
#define EM2820_MAX_ALT 7
#define EM28XX_PINOUT 0
#define EM28XX_MAX_ALT 7
#define EM2820_INTERLACED_DEFAULT 1
#define EM28XX_INTERLACED_DEFAULT 1
/*
#define (use usbview if you want to get the other alternate number infos)
......@@ -89,13 +89,13 @@
*/
/* time to wait when stopping the isoc transfer */
#define EM2820_URB_TIMEOUT msecs_to_jiffies(EM2820_NUM_BUFS * EM2820_NUM_PACKETS)
#define EM28XX_URB_TIMEOUT msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
/* time in msecs to wait for i2c writes to finish */
#define EM2800_I2C_WRITE_TIMEOUT 20
/* the various frame states */
enum em2820_frame_state {
enum em28xx_frame_state {
F_UNUSED = 0,
F_QUEUED,
F_GRABBING,
......@@ -104,17 +104,17 @@ enum em2820_frame_state {
};
/* stream states */
enum em2820_stream_state {
enum em28xx_stream_state {
STREAM_OFF,
STREAM_INTERRUPT,
STREAM_ON,
};
/* frames */
struct em2820_frame_t {
struct em28xx_frame_t {
void *bufmem;
struct v4l2_buffer buf;
enum em2820_frame_state state;
enum em28xx_frame_state state;
struct list_head frame;
unsigned long vma_use_count;
int top_field;
......@@ -122,7 +122,7 @@ struct em2820_frame_t {
};
/* io methods */
enum em2820_io_method {
enum em28xx_io_method {
IO_NONE,
IO_READ,
IO_MMAP,
......@@ -130,35 +130,35 @@ enum em2820_io_method {
/* inputs */
#define MAX_EM2820_INPUT 4
enum enum2820_itype {
EM2820_VMUX_COMPOSITE1 = 1,
EM2820_VMUX_COMPOSITE2,
EM2820_VMUX_COMPOSITE3,
EM2820_VMUX_COMPOSITE4,
EM2820_VMUX_SVIDEO,
EM2820_VMUX_TELEVISION,
EM2820_VMUX_CABLE,
EM2820_VMUX_DVB,
EM2820_VMUX_DEBUG,
EM2820_RADIO,
#define MAX_EM28XX_INPUT 4
enum enum28xx_itype {
EM28XX_VMUX_COMPOSITE1 = 1,
EM28XX_VMUX_COMPOSITE2,
EM28XX_VMUX_COMPOSITE3,
EM28XX_VMUX_COMPOSITE4,
EM28XX_VMUX_SVIDEO,
EM28XX_VMUX_TELEVISION,
EM28XX_VMUX_CABLE,
EM28XX_VMUX_DVB,
EM28XX_VMUX_DEBUG,
EM28XX_RADIO,
};
struct em2820_input {
enum enum2820_itype type;
struct em28xx_input {
enum enum28xx_itype type;
unsigned int vmux;
unsigned int amux;
};
#define INPUT(nr) (&em2820_boards[dev->model].input[nr])
#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
enum em2820_decoder {
EM2820_TVP5150,
EM2820_SAA7113,
EM2820_SAA7114
enum em28xx_decoder {
EM28XX_TVP5150,
EM28XX_SAA7113,
EM28XX_SAA7114
};
struct em2820_board {
struct em28xx_board {
char *name;
int vchannels;
int norm;
......@@ -171,12 +171,12 @@ struct em2820_board {
unsigned int has_tuner:1;
unsigned int has_msp34xx:1;
enum em2820_decoder decoder;
enum em28xx_decoder decoder;
struct em2820_input input[MAX_EM2820_INPUT];
struct em28xx_input input[MAX_EM28XX_INPUT];
};
struct em2820_eeprom {
struct em28xx_eeprom {
u32 id; /* 0x9567eb1a */
u16 vendor_ID;
u16 product_ID;
......@@ -191,14 +191,14 @@ struct em2820_eeprom {
};
/* device states */
enum em2820_dev_state {
enum em28xx_dev_state {
DEV_INITIALIZED = 0x01,
DEV_DISCONNECTED = 0x02,
DEV_MISCONFIGURED = 0x04,
};
/* tvnorms */
struct em2820_tvnorm {
struct em28xx_tvnorm {
char *name;
v4l2_std_id id;
/* mode for saa7113h */
......@@ -206,7 +206,7 @@ struct em2820_tvnorm {
};
/* main device struct */
struct em2820 {
struct em28xx {
/* generic device properties */
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
......@@ -217,7 +217,7 @@ struct em2820 {
unsigned int has_msp34xx:1;
unsigned int has_tda9887:1;
enum em2820_decoder decoder;
enum em28xx_decoder decoder;
int tuner_type; /* type of the tuner */
int tuner_addr; /* tuner address */
......@@ -229,17 +229,17 @@ struct em2820 {
int users; /* user count for exclusive use */
struct video_device *vdev; /* video for linux device struct */
struct video_picture vpic; /* picture settings only used to init saa7113h */
struct em2820_tvnorm *tvnorm; /* selected tv norm */
struct em28xx_tvnorm *tvnorm; /* selected tv norm */
int ctl_freq; /* selected frequency */
unsigned int ctl_input; /* selected input */
unsigned int ctl_ainput; /* slected audio input */
int mute;
int volume;
/* frame properties */
struct em2820_frame_t frame[EM2820_NUM_FRAMES]; /* list of frames */
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 em2820_frame_t *frame_current; /* the frame that is being filled */
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 */
......@@ -251,9 +251,9 @@ struct em2820 {
int type;
/* states */
enum em2820_dev_state state;
enum em2820_stream_state stream;
enum em2820_io_method io;
enum em28xx_dev_state state;
enum em28xx_stream_state stream;
enum em28xx_io_method io;
/* locks */
struct semaphore lock, fileop_lock;
spinlock_t queue_lock;
......@@ -267,71 +267,71 @@ struct em2820 {
struct usb_device *udev; /* the usb device */
int alt; /* alternate */
int max_pkt_size; /* max packet size of isoc transaction */
unsigned int alt_max_pkt_size[EM2820_MAX_ALT + 1]; /* array of wMaxPacketSize */
struct urb *urb[EM2820_NUM_BUFS]; /* urb for isoc transfers */
char *transfer_buffer[EM2820_NUM_BUFS]; /* transfer buffers for isoc transfer */
unsigned int alt_max_pkt_size[EM28XX_MAX_ALT + 1]; /* array of wMaxPacketSize */
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 (*em2820_write_regs) (struct em2820 * dev, u16 reg, char *buf,
int (*em28xx_write_regs) (struct em28xx * dev, u16 reg, char *buf,
int len);
int (*em2820_read_reg) (struct em2820 * dev, u16 reg);
int (*em2820_read_reg_req_len) (struct em2820 * 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 (*em2820_write_regs_req) (struct em2820 * dev, u8 req, u16 reg,
int (*em28xx_write_regs_req) (struct em28xx * dev, u8 req, u16 reg,
char *buf, int len);
int (*em2820_read_reg_req) (struct em2820 * dev, u8 req, u16 reg);
int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg);
};
/* Provided by em2820-i2c.c */
/* Provided by em28xx-i2c.c */
void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg);
int em2820_i2c_register(struct em2820 *dev);
int em2820_i2c_unregister(struct em2820 *dev);
void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg);
int em28xx_i2c_register(struct em28xx *dev);
int em28xx_i2c_unregister(struct em28xx *dev);
/* Provided by em2820-input.c */
/* Provided by em28xx-input.c */
void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir);
void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir);
/* Provided by em2820-core.c */
/* Provided by em28xx-core.c */
void em2820_print_ioctl(char *name, unsigned int cmd);
void em28xx_print_ioctl(char *name, unsigned int cmd);
u32 em2820_request_buffers(struct em2820 *dev, u32 count);
void em2820_queue_unusedframes(struct em2820 *dev);
void em2820_release_buffers(struct em2820 *dev);
u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
void em28xx_queue_unusedframes(struct em28xx *dev);
void em28xx_release_buffers(struct em28xx *dev);
int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
char *buf, int len);
int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg);
int em2820_read_reg(struct em2820 *dev, u16 reg);
int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
int em28xx_read_reg(struct em28xx *dev, u16 reg);
int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
int len);
int em2820_write_regs(struct em2820 *dev, u16 reg, char *buf, int len);
int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
u8 bitmask);
int em2820_write_ac97(struct em2820 *dev, u8 reg, u8 * val);
int em2820_audio_analog_set(struct em2820 *dev);
int em2820_colorlevels_set_default(struct em2820 *dev);
int em2820_capture_start(struct em2820 *dev, int start);
int em2820_outfmt_set_yuv422(struct em2820 *dev);
int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val);
int em28xx_audio_analog_set(struct em28xx *dev);
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_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, u8 ymin,
u8 ymax);
int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
u16 width, u16 height);
int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v);
int em2820_resolution_set(struct em2820 *dev);
void em2820_isocIrq(struct urb *urb, struct pt_regs *regs);
int em2820_init_isoc(struct em2820 *dev);
void em2820_uninit_isoc(struct em2820 *dev);
int em2820_set_alternate(struct em2820 *dev);
/* Provided by em2820-cards.c */
int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v);
int em28xx_resolution_set(struct em28xx *dev);
void em28xx_isocIrq(struct urb *urb, struct pt_regs *regs);
int em28xx_init_isoc(struct em28xx *dev);
void em28xx_uninit_isoc(struct em28xx *dev);
int em28xx_set_alternate(struct em28xx *dev);
/* Provided by em28xx-cards.c */
extern int em2800_variant_detect(struct usb_device* udev,int model);
extern void em2820_card_setup(struct em2820 *dev);
extern struct em2820_board em2820_boards[];
extern struct usb_device_id em2820_id_table[];
extern const unsigned int em2820_bcount;
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;
/* em2820 registers */
/* em28xx registers */
#define CHIPID_REG 0x0a
#define USBSUSP_REG 0x0c /* */
......@@ -386,115 +386,115 @@ extern const unsigned int em2820_bcount;
#define VIDEO_AC97 0x14
/* register settings */
#define EM2820_AUDIO_SRC_TUNER 0xc0
#define EM2820_AUDIO_SRC_LINE 0x80
#define EM28XX_AUDIO_SRC_TUNER 0xc0
#define EM28XX_AUDIO_SRC_LINE 0x80
/* printk macros */
#define em2820_err(fmt, arg...) do {\
#define em28xx_err(fmt, arg...) do {\
printk(KERN_ERR fmt , ##arg); } while (0)
#define em2820_errdev(fmt, arg...) do {\
#define em28xx_errdev(fmt, arg...) do {\
printk(KERN_ERR "%s: "fmt,\
dev->name , ##arg); } while (0)
#define em2820_info(fmt, arg...) do {\
#define em28xx_info(fmt, arg...) do {\
printk(KERN_INFO "%s: "fmt,\
dev->name , ##arg); } while (0)
#define em2820_warn(fmt, arg...) do {\
#define em28xx_warn(fmt, arg...) do {\
printk(KERN_WARNING "%s: "fmt,\
dev->name , ##arg); } while (0)
inline static int em2820_audio_source(struct em2820 *dev, int input)
inline static int em28xx_audio_source(struct em28xx *dev, int input)
{
return em2820_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
return em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
}
inline static int em2820_audio_usb_mute(struct em2820 *dev, int mute)
inline static int em28xx_audio_usb_mute(struct em28xx *dev, int mute)
{
return em2820_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
return em28xx_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
}
inline static int em2820_audio_analog_setup(struct em2820 *dev)
inline static int em28xx_audio_analog_setup(struct em28xx *dev)
{
/* unmute video mixer with default volume level */
return em2820_write_ac97(dev, VIDEO_AC97, "\x08\x08");
return em28xx_write_ac97(dev, VIDEO_AC97, "\x08\x08");
}
inline static int em2820_compression_disable(struct em2820 *dev)
inline static int em28xx_compression_disable(struct em28xx *dev)
{
/* side effect of disabling scaler and mixer */
return em2820_write_regs(dev, COMPR_REG, "\x00", 1);
return em28xx_write_regs(dev, COMPR_REG, "\x00", 1);
}
inline static int em2820_contrast_get(struct em2820 *dev)
inline static int em28xx_contrast_get(struct em28xx *dev)
{
return em2820_read_reg(dev, YGAIN_REG) & 0x1f;
return em28xx_read_reg(dev, YGAIN_REG) & 0x1f;
}
inline static int em2820_brightness_get(struct em2820 *dev)
inline static int em28xx_brightness_get(struct em28xx *dev)
{
return em2820_read_reg(dev, YOFFSET_REG);
return em28xx_read_reg(dev, YOFFSET_REG);
}
inline static int em2820_saturation_get(struct em2820 *dev)
inline static int em28xx_saturation_get(struct em28xx *dev)
{
return em2820_read_reg(dev, UVGAIN_REG) & 0x1f;
return em28xx_read_reg(dev, UVGAIN_REG) & 0x1f;
}
inline static int em2820_u_balance_get(struct em2820 *dev)
inline static int em28xx_u_balance_get(struct em28xx *dev)
{
return em2820_read_reg(dev, UOFFSET_REG);
return em28xx_read_reg(dev, UOFFSET_REG);
}
inline static int em2820_v_balance_get(struct em2820 *dev)
inline static int em28xx_v_balance_get(struct em28xx *dev)
{
return em2820_read_reg(dev, VOFFSET_REG);
return em28xx_read_reg(dev, VOFFSET_REG);
}
inline static int em2820_gamma_get(struct em2820 *dev)
inline static int em28xx_gamma_get(struct em28xx *dev)
{
return em2820_read_reg(dev, GAMMA_REG) & 0x3f;
return em28xx_read_reg(dev, GAMMA_REG) & 0x3f;
}
inline static int em2820_contrast_set(struct em2820 *dev, s32 val)
inline static int em28xx_contrast_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, YGAIN_REG, &tmp, 1);
return em28xx_write_regs(dev, YGAIN_REG, &tmp, 1);
}
inline static int em2820_brightness_set(struct em2820 *dev, s32 val)
inline static int em28xx_brightness_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, YOFFSET_REG, &tmp, 1);
return em28xx_write_regs(dev, YOFFSET_REG, &tmp, 1);
}
inline static int em2820_saturation_set(struct em2820 *dev, s32 val)
inline static int em28xx_saturation_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, UVGAIN_REG, &tmp, 1);
return em28xx_write_regs(dev, UVGAIN_REG, &tmp, 1);
}
inline static int em2820_u_balance_set(struct em2820 *dev, s32 val)
inline static int em28xx_u_balance_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, UOFFSET_REG, &tmp, 1);
return em28xx_write_regs(dev, UOFFSET_REG, &tmp, 1);
}
inline static int em2820_v_balance_set(struct em2820 *dev, s32 val)
inline static int em28xx_v_balance_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, VOFFSET_REG, &tmp, 1);
return em28xx_write_regs(dev, VOFFSET_REG, &tmp, 1);
}
inline static int em2820_gamma_set(struct em2820 *dev, s32 val)
inline static int em28xx_gamma_set(struct em28xx *dev, s32 val)
{
u8 tmp = (u8) val;
return em2820_write_regs(dev, GAMMA_REG, &tmp, 1);
return em28xx_write_regs(dev, GAMMA_REG, &tmp, 1);
}
/*FIXME: maxw should be dependent of alt mode */
inline static unsigned int norm_maxw(struct em2820 *dev)
inline static unsigned int norm_maxw(struct em28xx *dev)
{
switch(dev->model){
case (EM2820_BOARD_MSI_VOX_USB_2): return(640);
......@@ -502,7 +502,7 @@ inline static unsigned int norm_maxw(struct em2820 *dev)
}
}
inline static unsigned int norm_maxh(struct em2820 *dev)
inline static unsigned int norm_maxh(struct em28xx *dev)
{
switch(dev->model){
case (EM2820_BOARD_MSI_VOX_USB_2): return(480);
......
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