diff options
Diffstat (limited to 'drivers/media/video/em28xx')
| -rw-r--r-- | drivers/media/video/em28xx/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-audio.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-cards.c | 207 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 776 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-dvb.c | 474 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-i2c.c | 160 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-input.c | 26 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-reg.h | 88 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 1078 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx.h | 318 |
11 files changed, 1856 insertions, 1288 deletions
diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig index 0f7a0bd..9caffed 100644 --- a/drivers/media/video/em28xx/Kconfig +++ b/drivers/media/video/em28xx/Kconfig @@ -1,11 +1,13 @@ config VIDEO_EM28XX - tristate "Empia EM2800/2820/2840 USB video capture support" + tristate "Empia EM28xx USB video capture support" depends on VIDEO_DEV && I2C && INPUT select VIDEO_TUNER select VIDEO_TVEEPROM select VIDEO_IR + select VIDEOBUF_VMALLOC select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO select VIDEO_TVP5150 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO ---help--- This is a video4linux driver for Empia 28xx based TV cards. @@ -27,3 +29,13 @@ config VIDEO_EM28XX_ALSA To compile this driver as a module, choose M here: the module will be called em28xx-alsa +config VIDEO_EM28XX_DVB + tristate "DVB/ATSC Support for em28xx based TV cards" + depends on VIDEO_EM28XX && DVB_CORE + select DVB_LGDT330X if !DVB_FE_CUSTOMISE + select DVB_ZL10353 if !DVB_FE_CUSTOMISE + select VIDEOBUF_DVB + select FW_LOADER + ---help--- + This adds support for DVB cards based on the + Empiatech em28xx chips. diff --git a/drivers/media/video/em28xx/Makefile b/drivers/media/video/em28xx/Makefile index 0924550..3d1c3cc 100644 --- a/drivers/media/video/em28xx/Makefile +++ b/drivers/media/video/em28xx/Makefile @@ -5,6 +5,7 @@ em28xx-alsa-objs := em28xx-audio.o obj-$(CONFIG_VIDEO_EM28XX) += em28xx.o obj-$(CONFIG_VIDEO_EM28XX_ALSA) += em28xx-alsa.o +obj-$(CONFIG_VIDEO_EM28XX_DVB) += em28xx-dvb.o EXTRA_CFLAGS += -Idrivers/media/video EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 8c67f67..92b2a6d 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -51,7 +51,7 @@ MODULE_PARM_DESC(debug, "activates debug info"); #define dprintk(fmt, arg...) do { \ if (debug) \ printk(KERN_INFO "em28xx-audio %s: " fmt, \ - __FUNCTION__, ##arg); \ + __func__, ##arg); \ } while (0) static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index aae7753..50ccf37 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -36,7 +36,6 @@ #include <media/v4l2-common.h> #include "em28xx.h" -#include "tuner-xc2028.h" static int tuner = -1; module_param(tuner, int, 0444); @@ -52,26 +51,6 @@ struct em28xx_hash_table { unsigned int tuner; }; -/* Boards supported by driver */ - -#define EM2800_BOARD_UNKNOWN 0 -#define EM2820_BOARD_UNKNOWN 1 -#define EM2820_BOARD_TERRATEC_CINERGY_250 2 -#define EM2820_BOARD_PINNACLE_USB_2 3 -#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 -#define EM2820_BOARD_MSI_VOX_USB_2 5 -#define EM2800_BOARD_TERRATEC_CINERGY_200 6 -#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 -#define EM2800_BOARD_KWORLD_USB2800 8 -#define EM2820_BOARD_PINNACLE_DVC_90 9 -#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 -#define EM2880_BOARD_TERRATEC_HYBRID_XS 11 -#define EM2820_BOARD_KWORLD_PVRTV2800RF 12 -#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 -#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 -#define EM2800_BOARD_VGEAR_POCKETTV 15 -#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 16 - struct em28xx_board em28xx_boards[] = { [EM2800_BOARD_UNKNOWN] = { .name = "Unknown EM2800 video grabber", @@ -200,6 +179,7 @@ struct em28xx_board em28xx_boards[] = { .tuner_type = TUNER_XC2028, .mts_firmware = 1, .has_12mhz_i2s = 1, + .has_dvb = 1, .decoder = EM28XX_TVP5150, .input = { { .type = EM28XX_VMUX_TELEVISION, @@ -214,9 +194,6 @@ struct em28xx_board em28xx_boards[] = { .vmux = TVP5150_SVIDEO, .amux = 1, } }, - - /* gpio's 4, 1, 0 */ - .analog_gpio = 0x003d2d, }, [EM2880_BOARD_TERRATEC_HYBRID_XS] = { .name = "Terratec Hybrid XS", @@ -331,7 +308,7 @@ struct em28xx_board em28xx_boards[] = { .name = "Kworld USB2800", .is_em2800 = 1, .vchannels = 3, - .tuner_type = TUNER_PHILIPS_ATSC, + .tuner_type = TUNER_PHILIPS_FCV1236D, .tda9887_conf = TDA9887_PRESENT, .decoder = EM28XX_SAA7113, .input = { { @@ -453,7 +430,36 @@ struct usb_device_id em28xx_id_table [] = { }; MODULE_DEVICE_TABLE(usb, em28xx_id_table); -/* EEPROM hash table for devices with generic USB IDs */ +/* + * Reset sequences for analog/digital modes + */ + +/* Board Hauppauge WinTV HVR 900 analog */ +static struct em28xx_reg_seq hauppauge_wintv_hvr_900_analog[] = { + {EM28XX_R08_GPIO, 0x2d, ~EM_GPIO_4, 10}, + {0x05, 0xff, 0x10, 10}, + { -1, -1, -1, -1}, +}; + +/* Board Hauppauge WinTV HVR 900 digital */ +static struct em28xx_reg_seq hauppauge_wintv_hvr_900_digital[] = { + {EM28XX_R08_GPIO, 0x2e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x04, 0x0f, 10}, + {EM2880_R04_GPO, 0x0c, 0x0f, 10}, + { -1, -1, -1, -1}, +}; + +/* Board Hauppauge WinTV HVR 900 tuner_callback */ +static struct em28xx_reg_seq hauppauge_wintv_hvr_900_tuner_callback[] = { + {EM28XX_R08_GPIO, EM_GPIO_4, EM_GPIO_4, 10}, + {EM28XX_R08_GPIO, 0, EM_GPIO_4, 10}, + {EM28XX_R08_GPIO, EM_GPIO_4, EM_GPIO_4, 10}, + { -1, -1, -1, -1}, +}; + +/* + * EEPROM hash table for devices with generic USB IDs + */ static struct em28xx_hash_table em28xx_eeprom_hash [] = { /* P/N: SA 60002070465 Tuner: TVF7533-MF */ {0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF}, @@ -465,79 +471,113 @@ static struct em28xx_hash_table em28xx_i2c_hash[] = { {0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC}, }; +int em28xx_tuner_callback(void *ptr, int command, int arg) +{ + int rc = 0; + struct em28xx *dev = ptr; + + if (dev->tuner_type != TUNER_XC2028) + return 0; + + if (command != XC2028_TUNER_RESET) + return 0; + + if (dev->mode == EM28XX_ANALOG_MODE) + rc = em28xx_gpio_set(dev, dev->tun_analog_gpio); + else + rc = em28xx_gpio_set(dev, dev->tun_digital_gpio); + + return rc; +} +EXPORT_SYMBOL_GPL(em28xx_tuner_callback); + +static void em28xx_set_model(struct em28xx *dev) +{ + dev->is_em2800 = em28xx_boards[dev->model].is_em2800; + dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx; + dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf; + dev->decoder = em28xx_boards[dev->model].decoder; + dev->video_inputs = em28xx_boards[dev->model].vchannels; + dev->has_12mhz_i2s = em28xx_boards[dev->model].has_12mhz_i2s; + dev->max_range_640_480 = em28xx_boards[dev->model].max_range_640_480; + dev->has_dvb = em28xx_boards[dev->model].has_dvb; +} + /* Since em28xx_pre_card_setup() requires a proper dev->model, * this won't work for boards with generic PCI IDs */ void em28xx_pre_card_setup(struct em28xx *dev) { + int rc; + + rc = em28xx_read_reg(dev, EM2880_R04_GPO); + if (rc >= 0) + dev->reg_gpo = rc; + + dev->wait_after_write = 5; + rc = em28xx_read_reg(dev, EM28XX_R0A_CHIPID); + if (rc > 0) { + switch (rc) { + case CHIP_ID_EM2883: + em28xx_info("chip ID is em2882/em2883\n"); + dev->wait_after_write = 0; + break; + default: + em28xx_info("em28xx chip ID = %d\n", rc); + } + } + em28xx_set_model(dev); + /* request some modules */ switch (dev->model) { case EM2880_BOARD_TERRATEC_PRODIGY_XS: case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: - case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950: case EM2880_BOARD_TERRATEC_HYBRID_XS: - em28xx_write_regs(dev, XCLK_REG, "\x27", 1); - em28xx_write_regs(dev, I2C_CLK_REG, "\x40", 1); - em28xx_write_regs(dev, 0x08, "\xff", 1); - em28xx_write_regs(dev, 0x04, "\x00", 1); - msleep(100); - em28xx_write_regs(dev, 0x04, "\x08", 1); - msleep(100); - em28xx_write_regs(dev, 0x08, "\xff", 1); - msleep(50); - em28xx_write_regs(dev, 0x08, "\x2d", 1); + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950: + em28xx_write_regs(dev, EM28XX_R0F_XCLK, "\x27", 1); + em28xx_write_regs(dev, EM28XX_R06_I2C_CLK, "\x40", 1); msleep(50); - em28xx_write_regs(dev, 0x08, "\x3d", 1); + + /* Sets GPO/GPIO sequences for this device */ + dev->analog_gpio = hauppauge_wintv_hvr_900_analog; + dev->digital_gpio = hauppauge_wintv_hvr_900_digital; + dev->tun_analog_gpio = hauppauge_wintv_hvr_900_tuner_callback; + dev->tun_digital_gpio = hauppauge_wintv_hvr_900_tuner_callback; + break; } + + em28xx_gpio_set(dev, dev->tun_analog_gpio); + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); + + /* Unlock device */ + em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); } -static int em28xx_tuner_callback(void *ptr, int command, int arg) +static void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl) { - int rc = 0; - struct em28xx *dev = ptr; + memset(ctl, 0, sizeof(*ctl)); - if (dev->tuner_type != TUNER_XC2028) - return 0; - - switch (command) { - case XC2028_TUNER_RESET: - { - /* GPIO and initialization codes for analog TV and radio - This code should be complemented for DTV, since reset - codes are different. - */ - - dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1); - dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1); - - if (dev->analog_gpio) { - char gpio0 = dev->analog_gpio & 0xff; - char gpio1 = (dev->analog_gpio >> 8) & 0xff; - char gpio4 = dev->analog_gpio >> 24; - - if (gpio4) { - dev->em28xx_write_regs(dev, 0x04, &gpio4, 1); - msleep(140); - } - - msleep(6); - dev->em28xx_write_regs(dev, 0x08, &gpio0, 1); - msleep(10); - dev->em28xx_write_regs(dev, 0x08, &gpio1, 1); - msleep(5); - } + ctl->fname = XC2028_DEFAULT_FIRMWARE; + ctl->max_len = 64; + ctl->mts = em28xx_boards[dev->model].mts_firmware; + switch (dev->model) { + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + ctl->demod = XC3028_FE_ZARLINK456; break; + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950: + /* FIXME: Better to specify the needed IF */ + ctl->demod = XC3028_FE_DEFAULT; + break; + default: + ctl->demod = XC3028_FE_OREN538; } - } - return rc; } static void em28xx_config_tuner(struct em28xx *dev) { struct v4l2_priv_tun_config xc2028_cfg; - struct xc2028_ctrl ctl; struct tuner_setup tun_setup; struct v4l2_frequency f; @@ -552,11 +592,9 @@ static void em28xx_config_tuner(struct em28xx *dev) em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup); if (dev->tuner_type == TUNER_XC2028) { - memset(&ctl, 0, sizeof(ctl)); + struct xc2028_ctrl ctl; - ctl.fname = XC2028_DEFAULT_FIRMWARE; - ctl.max_len = 64; - ctl.mts = em28xx_boards[dev->model].mts_firmware; + em28xx_setup_xc3028(dev, &ctl); xc2028_cfg.tuner = TUNER_XC2028; xc2028_cfg.priv = &ctl; @@ -654,19 +692,6 @@ static int em28xx_hint_board(struct em28xx *dev) return -1; } - -static void em28xx_set_model(struct em28xx *dev) -{ - dev->is_em2800 = em28xx_boards[dev->model].is_em2800; - dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx; - dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf; - dev->decoder = em28xx_boards[dev->model].decoder; - dev->video_inputs = em28xx_boards[dev->model].vchannels; - dev->analog_gpio = em28xx_boards[dev->model].analog_gpio; - dev->has_12mhz_i2s = em28xx_boards[dev->model].has_12mhz_i2s; - dev->max_range_640_480 = em28xx_boards[dev->model].max_range_640_480; -} - /* ----------------------------------------------------------------------- */ void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir) { diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index c1caaa8..f8c41d8 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -31,104 +31,33 @@ /* #define ENABLE_DEBUG_ISOC_FRAMES */ -static unsigned int core_debug = 0; +static unsigned int core_debug; module_param(core_debug,int,0644); MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); #define em28xx_coredbg(fmt, arg...) do {\ if (core_debug) \ printk(KERN_INFO "%s %s :"fmt, \ - dev->name, __FUNCTION__ , ##arg); } while (0) + dev->name, __func__ , ##arg); } while (0) -static unsigned int reg_debug = 0; +static unsigned int reg_debug; module_param(reg_debug,int,0644); MODULE_PARM_DESC(reg_debug,"enable debug messages [URB reg]"); #define em28xx_regdbg(fmt, arg...) do {\ if (reg_debug) \ printk(KERN_INFO "%s %s :"fmt, \ - dev->name, __FUNCTION__ , ##arg); } while (0) - -static unsigned int isoc_debug = 0; -module_param(isoc_debug,int,0644); -MODULE_PARM_DESC(isoc_debug,"enable debug messages [isoc transfers]"); - -#define em28xx_isocdbg(fmt, arg...) do {\ - if (isoc_debug) \ - printk(KERN_INFO "%s %s :"fmt, \ - dev->name, __FUNCTION__ , ##arg); } while (0) + dev->name, __func__ , ##arg); } while (0) static int alt = EM28XX_PINOUT; module_param(alt, int, 0644); MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); - -/* - * em28xx_request_buffers() - * allocate a number of buffers - */ -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; - em28xx_coredbg("requested %i buffers with size %zi\n", - count, imagesize); - if (count > EM28XX_NUM_FRAMES) - count = EM28XX_NUM_FRAMES; - - dev->num_frames = count; - while (dev->num_frames > 0) { - if ((buff = vmalloc_32(dev->num_frames * imagesize))) { - memset(buff, 0, dev->num_frames * imagesize); - break; - } - dev->num_frames--; - } - - for (i = 0; i < dev->num_frames; i++) { - dev->frame[i].bufmem = buff + i * imagesize; - dev->frame[i].buf.index = i; - dev->frame[i].buf.m.offset = i * imagesize; - dev->frame[i].buf.length = dev->frame_size; - dev->frame[i].buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - dev->frame[i].buf.sequence = 0; - dev->frame[i].buf.field = V4L2_FIELD_NONE; - dev->frame[i].buf.memory = V4L2_MEMORY_MMAP; - dev->frame[i].buf.flags = 0; - } - return dev->num_frames; -} - -/* - * em28xx_queue_unusedframes() - * add all frames that are not currently in use to the inbuffer queue - */ -void em28xx_queue_unusedframes(struct em28xx *dev) -{ - unsigned long lock_flags; - u32 i; - - for (i = 0; i < dev->num_frames; i++) - if (dev->frame[i].state == F_UNUSED) { - dev->frame[i].state = F_QUEUED; - spin_lock_irqsave(&dev->queue_lock, lock_flags); - list_add_tail(&dev->frame[i].frame, &dev->inqueue); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - } -} - -/* - * em28xx_release_buffers() - * free frame buffers - */ -void em28xx_release_buffers(struct em28xx *dev) -{ - if (dev->num_frames) { - vfree(dev->frame[0].bufmem); - dev->num_frames = 0; - } -} +/* FIXME */ +#define em28xx_isocdbg(fmt, arg...) do {\ + if (core_debug) \ + printk(KERN_INFO "%s %s :"fmt, \ + dev->name, __func__ , ##arg); } while (0) /* * em28xx_read_reg_req() @@ -148,11 +77,11 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x0000, reg, buf, len, HZ); - if (reg_debug){ + if (reg_debug) { printk(ret < 0 ? " failed!\n" : "%02x values: ", ret); - for (byte = 0; byte < len; byte++) { + for (byte = 0; byte < len; byte++) printk(" %02x", (unsigned char)buf[byte]); - } + printk("\n"); } @@ -205,7 +134,10 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, unsigned char *bufs; if (dev->state & DEV_DISCONNECTED) - return(-ENODEV); + return -ENODEV; + + if (len < 1) + return -EINVAL; bufs = kmalloc(len, GFP_KERNEL); @@ -214,8 +146,8 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, if (reg_debug) { int i; for (i = 0; i < len; ++i) - printk (" %02x", (unsigned char)buf[i]); - printk ("\n"); + printk(" %02x", (unsigned char)buf[i]); + printk("\n"); } if (!bufs) @@ -224,14 +156,32 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), req, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x0000, reg, bufs, len, HZ); - msleep(5); /* FIXME: magic number */ + if (dev->wait_after_write) + msleep(dev->wait_after_write); + kfree(bufs); return ret; } int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len) { - return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len); + int rc; + + rc = em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len); + + /* Stores GPO/GPIO values at the cache, if changed + Only write values should be stored, since input on a GPIO + register will return the input bits. + Not sure what happens on reading GPO register. + */ + if (rc >= 0) { + if (reg == EM2880_R04_GPO) + dev->reg_gpo = buf[0]; + else if (reg == EM28XX_R08_GPIO) + dev->reg_gpio = buf[0]; + } + + return rc; } /* @@ -244,9 +194,20 @@ static int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, { int oldval; u8 newval; - if ((oldval = em28xx_read_reg(dev, reg)) < 0) + + /* Uses cache for gpo/gpio registers */ + if (reg == EM2880_R04_GPO) + oldval = dev->reg_gpo; + else if (reg == EM28XX_R08_GPIO) + oldval = dev->reg_gpio; + else + oldval = em28xx_read_reg(dev, reg); + + if (oldval < 0) return oldval; + newval = (((u8) oldval) & ~bitmask) | (val & bitmask); + return em28xx_write_regs(dev, reg, &newval, 1); } @@ -258,20 +219,26 @@ static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 *val) { int ret, i; u8 addr = reg & 0x7f; - if ((ret = em28xx_write_regs(dev, AC97LSB_REG, val, 2)) < 0) + + ret = em28xx_write_regs(dev, EM28XX_R40_AC97LSB, val, 2); + if (ret < 0) return ret; - if ((ret = em28xx_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0) + + ret = em28xx_write_regs(dev, EM28XX_R42_AC97ADDR, &addr, 1); + if (ret < 0) return ret; /* Wait up to 50 ms for AC97 command to complete */ for (i = 0; i < 10; i++) { - if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0) + ret = em28xx_read_reg(dev, EM28XX_R43_AC97BUSY); + if (ret < 0) return ret; + if (!(ret & 0x01)) return 0; msleep(5); } - em28xx_warn ("AC97 command still being executed: not handled properly!\n"); + em28xx_warn("AC97 command still being executed: not handled properly!\n"); return 0; } @@ -289,7 +256,7 @@ static int em28xx_set_audio_source(struct em28xx *dev) else input = EM2800_AUDIO_SRC_TUNER; - ret = em28xx_write_regs(dev, EM2800_AUDIOSRC_REG, &input, 1); + ret = em28xx_write_regs(dev, EM2800_R08_AUDIOSRC, &input, 1); if (ret < 0) return ret; } @@ -315,7 +282,7 @@ static int em28xx_set_audio_source(struct em28xx *dev) } } - ret = em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0); + ret = em28xx_write_reg_bits(dev, EM28XX_R0E_AUDIOSRC, input, 0xc0); if (ret < 0) return ret; msleep(5); @@ -323,11 +290,11 @@ static int em28xx_set_audio_source(struct em28xx *dev) /* Sets AC97 mixer registers This is seems to be needed, even for non-ac97 configs */ - ret = em28xx_write_ac97(dev, VIDEO_AC97, video); + ret = em28xx_write_ac97(dev, EM28XX_R14_VIDEO_AC97, video); if (ret < 0) return ret; - ret = em28xx_write_ac97(dev, LINE_IN_AC97, line); + ret = em28xx_write_ac97(dev, EM28XX_R10_LINE_IN_AC97, line); return ret; } @@ -343,7 +310,7 @@ int em28xx_audio_analog_set(struct em28xx *dev) /* Mute */ s[1] |= 0x80; - ret = em28xx_write_ac97(dev, MASTER_AC97, s); + ret = em28xx_write_ac97(dev, EM28XX_R02_MASTER_AC97, s); if (ret < 0) return ret; @@ -354,7 +321,7 @@ int em28xx_audio_analog_set(struct em28xx *dev) if (!dev->mute) xclk |= 0x80; - ret = em28xx_write_reg_bits(dev, XCLK_REG, xclk, 0xa7); + ret = em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, xclk, 0xa7); if (ret < 0) return ret; msleep(10); @@ -365,7 +332,7 @@ int em28xx_audio_analog_set(struct em28xx *dev) /* Unmute device */ if (!dev->mute) s[1] &= ~0x80; - ret = em28xx_write_ac97(dev, MASTER_AC97, s); + ret = em28xx_write_ac97(dev, EM28XX_R02_MASTER_AC97, s); return ret; } @@ -373,50 +340,68 @@ EXPORT_SYMBOL_GPL(em28xx_audio_analog_set); int em28xx_colorlevels_set_default(struct em28xx *dev) { - 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); + em28xx_write_regs(dev, EM28XX_R20_YGAIN, "\x10", 1); /* contrast */ + em28xx_write_regs(dev, EM28XX_R21_YOFFSET, "\x00", 1); /* brightness */ + em28xx_write_regs(dev, EM28XX_R22_UVGAIN, "\x10", 1); /* saturation */ + em28xx_write_regs(dev, EM28XX_R23_UOFFSET, "\x00", 1); + em28xx_write_regs(dev, EM28XX_R24_VOFFSET, "\x00", 1); + em28xx_write_regs(dev, EM28XX_R25_SHARPNESS, "\x00", 1); + + em28xx_write_regs(dev, EM28XX_R14_GAMMA, "\x20", 1); + em28xx_write_regs(dev, EM28XX_R15_RGAIN, "\x20", 1); + em28xx_write_regs(dev, EM28XX_R16_GGAIN, "\x20", 1); + em28xx_write_regs(dev, EM28XX_R17_BGAIN, "\x20", 1); + em28xx_write_regs(dev, EM28XX_R18_ROFFSET, "\x00", 1); + em28xx_write_regs(dev, EM28XX_R19_GOFFSET, "\x00", 1); + return em28xx_write_regs(dev, EM28XX_R1A_BOFFSET, "\x00", 1); } int em28xx_capture_start(struct em28xx *dev, int start) { - int ret; + int rc; /* FIXME: which is the best order? */ /* video registers are sampled by VREF */ - if ((ret = em28xx_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00, - 0x10)) < 0) - return ret; + rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP, + start ? 0x10 : 0x00, 0x10); + if (rc < 0) + return rc; + + if (!start) { + /* disable video capture */ + rc = em28xx_write_regs(dev, EM28XX_R12_VINENABLE, "\x27", 1); + return rc; + } + /* enable video capture */ - return em28xx_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1); + rc = em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1); + + if (dev->mode == EM28XX_ANALOG_MODE) + rc = em28xx_write_regs(dev, EM28XX_R12_VINENABLE, "\x67", 1); + else + rc = em28xx_write_regs(dev, EM28XX_R12_VINENABLE, "\x37", 1); + + msleep(6); + + return rc; } int em28xx_outfmt_set_yuv422(struct em28xx *dev) { - 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); + em28xx_write_regs(dev, EM28XX_R27_OUTFMT, "\x34", 1); + em28xx_write_regs(dev, EM28XX_R10_VINMODE, "\x10", 1); + return em28xx_write_regs(dev, EM28XX_R11_VINCTRL, "\x11", 1); } static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, u8 ymin, u8 ymax) { - em28xx_coredbg("em28xx Scale: (%d,%d)-(%d,%d)\n", xmin, ymin, xmax, ymax); + em28xx_coredbg("em28xx Scale: (%d,%d)-(%d,%d)\n", + xmin, ymin, xmax, ymax); - 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); + em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1); + em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1); + em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1); + return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1); } static int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, @@ -426,34 +411,36 @@ static int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart, u8 cheight = height; u8 overflow = (height >> 7 & 0x02) | (width >> 8 & 0x01); - em28xx_coredbg("em28xx 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)); - 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); + em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1); + em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1); + em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1); + em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1); + return em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1); } static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) { u8 mode; /* the em2800 scaler only supports scaling down to 50% */ - if(dev->is_em2800) + if (dev->is_em2800) mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); else { u8 buf[2]; buf[0] = h; buf[1] = h >> 8; - em28xx_write_regs(dev, HSCALELOW_REG, (char *)buf, 2); + em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); buf[0] = v; buf[1] = v >> 8; - em28xx_write_regs(dev, VSCALELOW_REG, (char *)buf, 2); - /* it seems that both H and V scalers must be active to work correctly */ + em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); + /* it seems that both H and V scalers must be active + to work correctly */ mode = (h || v)? 0x30: 0x00; } - return em28xx_write_reg_bits(dev, COMPR_REG, mode, 0x30); + return em28xx_write_reg_bits(dev, EM28XX_R26_COMPR, mode, 0x30); } /* FIXME: this only function read values from dev */ @@ -469,376 +456,271 @@ int em28xx_resolution_set(struct em28xx *dev) return em28xx_scaler_set(dev, dev->hscale, dev->vscale); } - -/******************* isoc transfer handling ****************************/ - -#ifdef ENABLE_DEBUG_ISOC_FRAMES -static void em28xx_isoc_dump(struct urb *urb) +int em28xx_set_alternate(struct em28xx *dev) { - int len = 0; - int ntrans = 0; + int errCode, prev_alt = dev->alt; int i; + unsigned int min_pkt_size = dev->width * 2 + 4; - printk(KERN_DEBUG "isocIrq: sf=%d np=%d ec=%x\n", - urb->start_frame, urb->number_of_packets, - urb->error_count); - for (i = 0; i < urb->number_of_packets; i++) { - unsigned char *buf = - urb->transfer_buffer + - urb->iso_frame_desc[i].offset; - int alen = urb->iso_frame_desc[i].actual_length; - if (alen > 0) { - if (buf[0] == 0x88) { - ntrans++; - len += alen; - } else if (buf[0] == 0x22) { - printk(KERN_DEBUG - "= l=%d nt=%d bpp=%d\n", - len - 4 * ntrans, ntrans, - ntrans == 0 ? 0 : len / ntrans); - ntrans = 1; - len = alen; - } else - printk(KERN_DEBUG "!\n"); + /* When image size is bigger than a certain value, + the frame size should be increased, otherwise, only + green screen will be received. + */ + if (dev->width * 2 * dev->height > 720 * 240 * 2) + min_pkt_size *= 2; + + for (i = 0; i < dev->num_alt; i++) { + /* stop when the selected alt setting offers enough bandwidth */ + if (dev->alt_max_pkt_size[i] >= min_pkt_size) { + dev->alt = i; + break; + /* otherwise make sure that we end up with the maximum bandwidth + because the min_pkt_size equation might be wrong... + */ + } else if (dev->alt_max_pkt_size[i] > + dev->alt_max_pkt_size[dev->alt]) + dev->alt = i; + } + + if (dev->alt != prev_alt) { + em28xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", + min_pkt_size, dev->alt); + dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt]; + em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", + dev->alt, dev->max_pkt_size); + errCode = usb_set_interface(dev->udev, 0, dev->alt); + if (errCode < 0) { + em28xx_errdev("cannot change alternate number to %d (error=%i)\n", + dev->alt, errCode); + return errCode; } - printk(KERN_DEBUG " n=%d s=%d al=%d %x\n", i, - urb->iso_frame_desc[i].status, - urb->iso_frame_desc[i].actual_length, - (unsigned int) - *((unsigned char *)(urb->transfer_buffer + - urb->iso_frame_desc[i]. - offset))); } + return 0; } -#endif -static inline int em28xx_isoc_video(struct em28xx *dev,struct em28xx_frame_t **f, - unsigned long *lock_flags, unsigned char buf) +int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio) { - if (!(buf & 0x01)) { - if ((*f)->state == F_GRABBING) { - /*previous frame is incomplete */ - if ((*f)->fieldbytesused < dev->field_size) { - (*f)->state = F_ERROR; - em28xx_isocdbg ("dropping incomplete bottom field (%i missing bytes)", - dev->field_size-(*f)->fieldbytesused); - } else { - (*f)->state = F_DONE; - (*f)->buf.bytesused = dev->frame_size; - } - } - if ((*f)->state == F_DONE || (*f)->state == F_ERROR) { - /* move current frame to outqueue and get next free buffer from inqueue */ - spin_lock_irqsave(&dev-> queue_lock, *lock_flags); - list_move_tail(&(*f)->frame, &dev->outqueue); - if (!list_empty(&dev->inqueue)) - (*f) = list_entry(dev-> inqueue.next, - struct em28xx_frame_t,frame); - else - (*f) = NULL; - spin_unlock_irqrestore(&dev->queue_lock,*lock_flags); - } - if (!(*f)) { - em28xx_isocdbg ("new frame but no buffer is free"); - return -1; - } - do_gettimeofday(&(*f)->buf.timestamp); - (*f)->buf.sequence = ++dev->frame_count; - (*f)->buf.field = V4L2_FIELD_INTERLACED; - (*f)->state = F_GRABBING; - (*f)->buf.bytesused = 0; - (*f)->top_field = 1; - (*f)->fieldbytesused = 0; - } else { - /* acquiring bottom field */ - if ((*f)->state == F_GRABBING) { - if (!(*f)->top_field) { - (*f)->state = F_ERROR; - em28xx_isocdbg ("unexpected begin of bottom field; discarding it"); - } else if ((*f)-> fieldbytesused < dev->field_size - 172) { - (*f)->state = F_ERROR; - em28xx_isocdbg ("dropping incomplete top field (%i missing bytes)", - dev->field_size-(*f)->fieldbytesused); - } else { - (*f)->top_field = 0; - (*f)->fieldbytesused = 0; - } + int rc = 0; + + if (!gpio) + return rc; + + dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1); + if (dev->mode == EM28XX_ANALOG_MODE) + dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1); + else + dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x37", 1); + msleep(6); + + /* Send GPIO reset sequences specified at board entry */ + while (gpio->sleep >= 0) { + if (gpio->reg >= 0) { + rc = em28xx_write_reg_bits(dev, + gpio->reg, + gpio->val, + gpio->mask); + if (rc < 0) + return rc; } + if (gpio->sleep > 0) + msleep(gpio->sleep); + + gpio++; } - return (0); + return rc; } -static inline void em28xx_isoc_video_copy(struct em28xx *dev, - struct em28xx_frame_t **f, unsigned char *buf, int len) +int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode) { - void *fieldstart, *startwrite, *startread; - int linesdone, currlinedone, offset, lencopy,remain; + if (dev->mode == set_mode) + return 0; - if(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; + if (set_mode == EM28XX_MODE_UNDEFINED) { + dev->mode = set_mode; + return 0; } - if ((*f)->fieldbytesused + len > dev->field_size) - len =dev->field_size - (*f)->fieldbytesused; - - if (buf[0] != 0x88 && buf[0] != 0x22) { - em28xx_isocdbg("frame is not complete\n"); - startread = buf; - len+=4; - } else - startread = buf + 4; - - remain = len; + dev->mode = set_mode; - if ((*f)->top_field) - fieldstart = (*f)->bufmem; + if (dev->mode == EM28XX_DIGITAL_MODE) + return em28xx_gpio_set(dev, dev->digital_gpio); else - fieldstart = (*f)->bufmem + dev->bytesperline; - - linesdone = (*f)->fieldbytesused / dev->bytesperline; - currlinedone = (*f)->fieldbytesused % dev->bytesperline; - offset = linesdone * dev->bytesperline * 2 + currlinedone; - startwrite = fieldstart + offset; - lencopy = dev->bytesperline - currlinedone; - lencopy = lencopy > remain ? remain : lencopy; - - memcpy(startwrite, startread, lencopy); - remain -= lencopy; - - while (remain > 0) { - startwrite += lencopy + dev->bytesperline; - startread += lencopy; - if (dev->bytesperline > remain) - lencopy = remain; - else - lencopy = dev->bytesperline; - - memcpy(startwrite, startread, lencopy); - remain -= lencopy; - } - - (*f)->fieldbytesused += len; + return em28xx_gpio_set(dev, dev->analog_gpio); } +EXPORT_SYMBOL_GPL(em28xx_set_mode); + +/* ------------------------------------------------------------------ + URB control + ------------------------------------------------------------------*/ /* - * em28xx_isoIrq() - * handles the incoming isoc urbs and fills the frames from our inqueue + * IRQ callback, called by URB callback */ -static void em28xx_isocIrq(struct urb *urb) +static void em28xx_irq_callback(struct urb *urb) { - struct em28xx *dev = urb->context; - int i, status; - struct em28xx_frame_t **f; - unsigned long lock_flags; - - if (!dev) - return; -#ifdef ENABLE_DEBUG_ISOC_FRAMES - if (isoc_debug>1) - em28xx_isoc_dump(urb); -#endif - - if (urb->status == -ENOENT) - return; - - f = &dev->frame_current; - - if (dev->stream == STREAM_INTERRUPT) { - dev->stream = STREAM_OFF; - if ((*f)) - (*f)->state = F_QUEUED; - em28xx_isocdbg("stream interrupted"); - wake_up_interruptible(&dev->wait_stream); - } - - if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) - return; - - if (dev->stream == STREAM_ON && !list_empty(&dev->inqueue)) { - if (!(*f)) - (*f) = list_entry(dev->inqueue.next, - struct em28xx_frame_t, frame); - - for (i = 0; i < urb->number_of_packets; i++) { - unsigned char *buf = urb->transfer_buffer + - urb->iso_frame_desc[i].offset; - int len = urb->iso_frame_desc[i].actual_length - 4; - - if (urb->iso_frame_desc[i].status) { - 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) { - em28xx_isocdbg("packet %d is empty",i); - continue; - } - if (urb->iso_frame_desc[i].actual_length > - urb->iso_frame_desc[i].length) { - em28xx_isocdbg("packet bigger than packet size"); - continue; - } - /*new frame */ - if (buf[0] == 0x22 && buf[1] == 0x5a) { - em28xx_isocdbg("Video frame, length=%i!",len); - - if (em28xx_isoc_video(dev,f,&lock_flags,buf[2])) - break; - } else if (buf[0]==0x33 && buf[1]==0x95 && buf[2]==0x00) { - em28xx_isocdbg("VBI HEADER!!!"); - } + struct em28xx_dmaqueue *dma_q = urb->context; + struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); + int rc, i; - /* actual copying */ - if ((*f)->state == F_GRABBING) { - em28xx_isoc_video_copy(dev,f,buf, len); - } - } - } + /* Copy data from URB */ + spin_lock(&dev->slock); + rc = dev->isoc_ctl.isoc_copy(dev, urb); + spin_unlock(&dev->slock); + /* Reset urb buffers */ for (i = 0; i < urb->number_of_packets; i++) { urb->iso_frame_desc[i].status = 0; urb->iso_frame_desc[i].actual_length = 0; } - urb->status = 0; - if ((status = usb_submit_urb(urb, GFP_ATOMIC))) { - em28xx_errdev("resubmit of urb failed (error=%i)\n", status); - dev->state |= DEV_MISCONFIGURED; + + urb->status = usb_submit_urb(urb, GFP_ATOMIC); + if (urb->status) { + em28xx_isocdbg("urb resubmit failed (error=%i)\n", + urb->status); } - wake_up_interruptible(&dev->wait_frame); - return; } /* - * em28xx_uninit_isoc() - * deallocates the buffers and urbs allocated during em28xx_init_iosc() + * Stop and Deallocate URBs */ void em28xx_uninit_isoc(struct em28xx *dev) { + struct urb *urb; int i; - for (i = 0; i < EM28XX_NUM_BUFS; i++) { - if (dev->urb[i]) { - usb_kill_urb(dev->urb[i]); - if (dev->transfer_buffer[i]) { + em28xx_isocdbg("em28xx: called em28xx_uninit_isoc\n"); + + dev->isoc_ctl.nfields = -1; + for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { + urb = dev->isoc_ctl.urb[i]; + if (urb) { + usb_kill_urb(urb); + usb_unlink_urb(urb); + if (dev->isoc_ctl.transfer_buffer[i]) { usb_buffer_free(dev->udev, - dev->urb[i]->transfer_buffer_length, - dev->transfer_buffer[i], - dev->urb[i]->transfer_dma); + urb->transfer_buffer_length, + dev->isoc_ctl.transfer_buffer[i], + urb->transfer_dma); } - usb_free_urb(dev->urb[i]); + usb_free_urb(urb); + dev->isoc_ctl.urb[i] = NULL; } - dev->urb[i] = NULL; - dev->transfer_buffer[i] = NULL; + dev->isoc_ctl.transfer_buffer[i] = NULL; } + + kfree(dev->isoc_ctl.urb); + kfree(dev->isoc_ctl.transfer_buffer); + + dev->isoc_ctl.urb = NULL; + dev->isoc_ctl.transfer_buffer = NULL; + dev->isoc_ctl.num_bufs = 0; + em28xx_capture_start(dev, 0); } +EXPORT_SYMBOL_GPL(em28xx_uninit_isoc); /* - * em28xx_init_isoc() - * allocates transfer buffers and submits the urbs for isoc transfer + * Allocate URBs and start IRQ */ -int em28xx_init_isoc(struct em28xx *dev) +int em28xx_init_isoc(struct em28xx *dev, int max_packets, + int num_bufs, int max_pkt_size, + int (*isoc_copy) (struct em28xx *dev, struct urb *urb)) { - /* change interface to 3 which allows the biggest packet sizes */ - int i, errCode; - int sb_size; - - em28xx_set_alternate(dev); - 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 < EM28XX_NUM_BUFS; i++) { - struct urb *urb; - int j; - /* allocate transfer buffer */ - urb = usb_alloc_urb(EM28XX_NUM_PACKETS, GFP_KERNEL); - if (!urb){ - em28xx_errdev("cannot alloc urb %i\n", i); + struct em28xx_dmaqueue *dma_q = &dev->vidq; + int i; + int sb_size, pipe; + struct urb *urb; + int j, k; + int rc; + + em28xx_isocdbg("em28xx: called em28xx_prepare_isoc\n"); + + /* De-allocates all pending stuff */ + em28xx_uninit_isoc(dev); + + dev->isoc_ctl.isoc_copy = isoc_copy; + dev->isoc_ctl.num_bufs = num_bufs; + + dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); + if (!dev->isoc_ctl.urb) { + em28xx_errdev("cannot alloc memory for usb buffers\n"); + return -ENOMEM; + } + + dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, + GFP_KERNEL); + if (!dev->isoc_ctl.urb) { + em28xx_errdev("cannot allocate memory for usbtransfer\n"); + kfree(dev->isoc_ctl.urb); + return -ENOMEM; + } + + dev->isoc_ctl.max_pkt_size = max_pkt_size; + dev->isoc_ctl.buf = NULL; + + sb_size = max_packets * dev->isoc_ctl.max_pkt_size; + + /* allocate urbs and transfer buffers */ + for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { + urb = usb_alloc_urb(max_packets, GFP_KERNEL); + if (!urb) { + em28xx_err("cannot alloc isoc_ctl.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]) { - em28xx_errdev - ("unable to allocate %i bytes for transfer buffer %i\n", - sb_size, i); + dev->isoc_ctl.urb[i] = urb; + + dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->udev, + sb_size, GFP_KERNEL, &urb->transfer_dma); + if (!dev->isoc_ctl.transfer_buffer[i]) { + em28xx_err("unable to allocate %i bytes for transfer" + " buffer %i%s\n", + sb_size, i, + in_interrupt()?" while in int":""); em28xx_uninit_isoc(dev); - usb_free_urb(urb); return -ENOMEM; } - memset(dev->transfer_buffer[i], 0, sb_size); - urb->dev = dev->udev; - urb->context = dev; - urb->pipe = usb_rcvisocpipe(dev->udev, 0x82); - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - urb->interval = 1; - urb->transfer_buffer = dev->transfer_buffer[i]; - urb->complete = em28xx_isocIrq; - urb->number_of_packets = EM28XX_NUM_PACKETS; - urb->transfer_buffer_length = sb_size; - for (j = 0; j < EM28XX_NUM_PACKETS; j++) { - urb->iso_frame_desc[j].offset = j * dev->max_pkt_size; - urb->iso_frame_desc[j].length = dev->max_pkt_size; + memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); + + /* FIXME: this is a hack - should be + 'desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK' + should also be using 'desc.bInterval' + */ + pipe = usb_rcvisocpipe(dev->udev, + dev->mode == EM28XX_ANALOG_MODE ? 0x82 : 0x84); + + usb_fill_int_urb(urb, dev->udev, pipe, + dev->isoc_ctl.transfer_buffer[i], sb_size, + em28xx_irq_callback, dma_q, 1); + + urb->number_of_packets = max_packets; + urb->transfer_flags = URB_ISO_ASAP; + + k = 0; + for (j = 0; j < max_packets; j++) { + urb->iso_frame_desc[j].offset = k; + urb->iso_frame_desc[j].length = + dev->isoc_ctl.max_pkt_size; + k += dev->isoc_ctl.max_pkt_size; } - dev->urb[i] = urb; } - /* submit urbs */ - em28xx_coredbg("Submitting %d urbs of %d packets (%d each)\n", - EM28XX_NUM_BUFS, EM28XX_NUM_PACKETS, dev->max_pkt_size); - for (i = 0; i < EM28XX_NUM_BUFS; i++) { - errCode = usb_submit_urb(dev->urb[i], GFP_KERNEL); - if (errCode) { - em28xx_errdev("submit of urb %i failed (error=%i)\n", i, - errCode); - em28xx_uninit_isoc(dev); - return errCode; - } - } - - return 0; -} - -int em28xx_set_alternate(struct em28xx *dev) -{ - int errCode, prev_alt = dev->alt; - int i; - unsigned int min_pkt_size = dev->bytesperline+4; - - /* When image size is bigger than a ceirtain value, - the frame size should be increased, otherwise, only - green screen will be received. - */ - if (dev->frame_size > 720*240*2) - min_pkt_size *= 2; + init_waitqueue_head(&dma_q->wq); - for (i = 0; i < dev->num_alt; i++) - if (dev->alt_max_pkt_size[i] >= min_pkt_size) - break; - dev->alt = i; + em28xx_capture_start(dev, 1); - if (dev->alt != prev_alt) { - em28xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", - min_pkt_size, dev->alt); - dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt]; - em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", - dev->alt, dev->max_pkt_size); - errCode = usb_set_interface(dev->udev, 0, dev->alt); - if (errCode < 0) { - em28xx_errdev ("cannot change alternate number to %d (error=%i)\n", - dev->alt, errCode); - return errCode; + /* submit urbs and enables IRQ */ + for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { + rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); + if (rc) { + em28xx_err("submit of urb %i failed (error=%i)\n", i, + rc); + em28xx_uninit_isoc(dev); + return rc; } } + return 0; } +EXPORT_SYMBOL_GPL(em28xx_init_isoc); diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c new file mode 100644 index 0000000..7df81575 --- /dev/null +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -0,0 +1,474 @@ +/* + DVB device driver for em28xx + + (c) 2008 Mauro Carvalho Chehab <mchehab@infradead.org> + + (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> + - Fixes for the driver to properly work with HVR-950 + + (c) 2008 Aidan Thornton <makosoft@googlemail.com> + + Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: + (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> + (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License. + */ + +#include <linux/kernel.h> +#include <linux/usb.h> + +#include "em28xx.h" +#include <media/v4l2-common.h> +#include <media/videobuf-vmalloc.h> + +#include "lgdt330x.h" +#include "zl10353.h" + +MODULE_DESCRIPTION("driver for em28xx based DVB cards"); +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); +MODULE_LICENSE("GPL"); + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define dprintk(level, fmt, arg...) do { \ +if (debug >= level) \ + printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ +} while (0) + +#define EM28XX_DVB_NUM_BUFS 5 +#define EM28XX_DVB_MAX_PACKETSIZE 564 +#define EM28XX_DVB_MAX_PACKETS 64 + +struct em28xx_dvb { + struct dvb_frontend *frontend; + + /* feed count management */ + struct mutex lock; + int nfeeds; + + /* general boilerplate stuff */ + struct dvb_adapter adapter; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; +}; + + +static inline void print_err_status(struct em28xx *dev, + int packet, int status) +{ + char *errmsg = "Unknown"; + + switch (status) { + case -ENOENT: + errmsg = "unlinked synchronuously"; + break; + case -ECONNRESET: + errmsg = "unlinked asynchronuously"; + break; + case -ENOSR: + errmsg = "Buffer error (overrun)"; + break; + case -EPIPE: + errmsg = "Stalled (device not responding)"; + break; + case -EOVERFLOW: + errmsg = "Babble (bad cable?)"; + break; + case -EPROTO: + errmsg = "Bit-stuff error (bad cable?)"; + break; + case -EILSEQ: + errmsg = "CRC/Timeout (could be anything)"; + break; + case -ETIME: + errmsg = "Device does not respond"; + break; + } + if (packet < 0) { + dprintk(1, "URB status %d [%s].\n", status, errmsg); + } else { + dprintk(1, "URB packet %d, status %d [%s].\n", + packet, status, errmsg); + } +} + +static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb) +{ + int i; + + if (!dev) + return 0; + + if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) + return 0; + + if (urb->status < 0) { + print_err_status(dev, -1, urb->status); + if (urb->status == -ENOENT) + return 0; + } + + for (i = 0; i < urb->number_of_packets; i++) { + int status = urb->iso_frame_desc[i].status; + + if (status < 0) { + print_err_status(dev, i, status); + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; + } + + dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer + + urb->iso_frame_desc[i].offset, + urb->iso_frame_desc[i].actual_length); + } + + return 0; +} + +static int start_streaming(struct em28xx_dvb *dvb) +{ + int rc; + struct em28xx *dev = dvb->adapter.priv; + + usb_set_interface(dev->udev, 0, 1); + rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + if (rc < 0) + return rc; + + return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS, + EM28XX_DVB_NUM_BUFS, EM28XX_DVB_MAX_PACKETSIZE, + dvb_isoc_copy); +} + +static int stop_streaming(struct em28xx_dvb *dvb) +{ + struct em28xx *dev = dvb->adapter.priv; + + em28xx_uninit_isoc(dev); + + em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); + + return 0; +} + +static int start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct em28xx_dvb *dvb = demux->priv; + int rc, ret; + + if (!demux->dmx.frontend) + return -EINVAL; + + mutex_lock(&dvb->lock); + dvb->nfeeds++; + rc = dvb->nfeeds; + + if (dvb->nfeeds == 1) { + ret = start_streaming(dvb); + if (ret < 0) + rc = ret; + } + + mutex_unlock(&dvb->lock); + return rc; +} + +static int stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct em28xx_dvb *dvb = demux->priv; + int err = 0; + + mutex_lock(&dvb->lock); + dvb->nfeeds--; + + if (0 == dvb->nfeeds) + err = stop_streaming(dvb); + + mutex_unlock(&dvb->lock); + return err; +} + + + +/* ------------------------------------------------------------------ */ +static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) +{ + struct em28xx *dev = fe->dvb->priv; + + if (acquire) + return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + else + return em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); +} + +/* ------------------------------------------------------------------ */ + +static struct lgdt330x_config em2880_lgdt3303_dev = { + .demod_address = 0x0e, + .demod_chip = LGDT3303, +}; + +static struct zl10353_config em28xx_zl10353_with_xc3028 = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .parallel_ts = 1, + .if2 = 45600, +}; + +/* ------------------------------------------------------------------ */ + +static int attach_xc3028(u8 addr, struct em28xx *dev) +{ + struct dvb_frontend *fe; + struct xc2028_config cfg; + + memset(&cfg, 0, sizeof(cfg)); + cfg.i2c_adap = &dev->i2c_adap; + cfg.i2c_addr = addr; + cfg.callback = em28xx_tuner_callback; + + if (!dev->dvb->frontend) { + printk(KERN_ERR "%s/2: dvb frontend not attached. " + "Can't attach xc3028\n", + dev->name); + return -EINVAL; + } + + fe = dvb_attach(xc2028_attach, dev->dvb->frontend, &cfg); + if (!fe) { + printk(KERN_ERR "%s/2: xc3028 attach failed\n", + dev->name); + dvb_frontend_detach(dev->dvb->frontend); + dvb_unregister_frontend(dev->dvb->frontend); + dev->dvb->frontend = NULL; + return -EINVAL; + } + + printk(KERN_INFO "%s/2: xc3028 attached\n", dev->name); + + return 0; +} + +/* ------------------------------------------------------------------ */ + +int register_dvb(struct em28xx_dvb *dvb, + struct module *module, + struct em28xx *dev, + struct device *device) +{ + int result; + + mutex_init(&dvb->lock); + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, + adapter_nr); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", + dev->name, result); + goto fail_adapter; + } + + /* Ensure all frontends negotiate bus access */ + dvb->frontend->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; + + dvb->adapter.priv = dev; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", + dev->name, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = dvb; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = start_feed; + dvb->demux.stop_feed = stop_feed; + + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", + dev->name, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", + dev->name, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", + dev->name, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", + dev->name, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", + dev->name, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +static void unregister_dvb(struct em28xx_dvb *dvb) +{ + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +} + + +static int dvb_init(struct em28xx *dev) +{ + int result = 0; + struct em28xx_dvb *dvb; + + dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); + + if (dvb == NULL) { + printk(KERN_INFO "em28xx_dvb: memory allocation failed\n"); + return -ENOMEM; + } + dev->dvb = dvb; + + em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + /* init frontend */ + switch (dev->model) { + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950: + dvb->frontend = dvb_attach(lgdt330x_attach, + &em2880_lgdt3303_dev, + &dev->i2c_adap); + if (attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + dvb->frontend = dvb_attach(zl10353_attach, + &em28xx_zl10353_with_xc3028, + &dev->i2c_adap); + if (attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; + default: + printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" + " isn't supported yet\n", + dev->name); + break; + } + if (NULL == dvb->frontend) { + printk(KERN_ERR + "%s/2: frontend initialization failed\n", + dev->name); + result = -EINVAL; + goto out_free; + } + + /* register everything */ + result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); + + if (result < 0) + goto out_free; + + em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); + printk(KERN_INFO "Successfully loaded em28xx-dvb\n"); + return 0; + +out_free: + em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); + kfree(dvb); + dev->dvb = NULL; + return result; +} + +static int dvb_fini(struct em28xx *dev) +{ + if (dev->dvb) { + unregister_dvb(dev->dvb); + dev->dvb = NULL; + } + + return 0; +} + +static struct em28xx_ops dvb_ops = { + .id = EM28XX_DVB, + .name = "Em28xx dvb Extension", + .init = dvb_init, + .fini = dvb_fini, +}; + +static int __init em28xx_dvb_register(void) +{ + return em28xx_register_extension(&dvb_ops); +} + +static void __exit em28xx_dvb_unregister(void) +{ + em28xx_unregister_extension(&dvb_ops); +} + +module_init(em28xx_dvb_register); +module_exit(em28xx_dvb_unregister); diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index cacd04d..6a78fd2 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -33,19 +33,29 @@ /* ----------------------------------------------------------- */ -static unsigned int i2c_scan = 0; +static unsigned int i2c_scan; module_param(i2c_scan, int, 0444); MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); -static unsigned int i2c_debug = 0; +static unsigned int i2c_debug; module_param(i2c_debug, int, 0644); MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); -#define dprintk1(lvl,fmt, args...) if (i2c_debug>=lvl) do {\ - printk(fmt, ##args); } while (0) -#define dprintk2(lvl,fmt, args...) if (i2c_debug>=lvl) do{ \ - printk(KERN_DEBUG "%s at %s: " fmt, \ - dev->name, __FUNCTION__ , ##args); } while (0) + +#define dprintk1(lvl, fmt, args...) \ +do { \ + if (i2c_debug >= lvl) { \ + printk(fmt, ##args); \ + } \ +} while (0) + +#define dprintk2(lvl, fmt, args...) \ +do { \ + if (i2c_debug >= lvl) { \ + printk(KERN_DEBUG "%s at %s: " fmt, \ + dev->name, __func__ , ##args); \ + } \ +} while (0) /* * em2800_i2c_send_max4() @@ -235,16 +245,16 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, return 0; for (i = 0; i < num; i++) { addr = msgs[i].addr << 1; - dprintk2(2,"%s %s addr=%x len=%d:", + dprintk2(2, "%s %s addr=%x len=%d:", (msgs[i].flags & I2C_M_RD) ? "read" : "write", i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len); - if (!msgs[i].len) { /* no len: check only for device presence */ + if (!msgs[i].len) { /* no len: check only for device presence */ if (dev->is_em2800) rc = em2800_i2c_check_for_device(dev, addr); else rc = em28xx_i2c_check_for_device(dev, addr); if (rc < 0) { - dprintk2(2," no device\n"); + dprintk2(2, " no device\n"); return rc; } @@ -258,14 +268,13 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, rc = em28xx_i2c_recv_bytes(dev, addr, msgs[i].buf, msgs[i].len); - if (i2c_debug>=2) { - for (byte = 0; byte < msgs[i].len; byte++) { + if (i2c_debug >= 2) { + for (byte = 0; byte < msgs[i].len; byte++) printk(" %02x", msgs[i].buf[byte]); - } } } else { /* write bytes */ - if (i2c_debug>=2) { + if (i2c_debug >= 2) { for (byte = 0; byte < msgs[i].len; byte++) printk(" %02x", msgs[i].buf[byte]); } @@ -281,13 +290,13 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, } if (rc < 0) goto err; - if (i2c_debug>=2) + if (i2c_debug >= 2) printk("\n"); } return num; - err: - dprintk2(2," ERROR: %i\n", rc); +err: + dprintk2(2, " ERROR: %i\n", rc); return rc; } @@ -330,7 +339,9 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) return -1; buf = 0; - if (1 != (err = i2c_master_send(&dev->i2c_client, &buf, 1))) { + + err = i2c_master_send(&dev->i2c_client, &buf, 1); + if (err != 1) { printk(KERN_INFO "%s: Huh, no eeprom present (err=%d)?\n", dev->name, err); return -1; @@ -403,8 +414,10 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) break; } printk(KERN_INFO "Table at 0x%02x, strings=0x%04x, 0x%04x, 0x%04x\n", - em_eeprom->string_idx_table,em_eeprom->string1, - em_eeprom->string2,em_eeprom->string3); + em_eeprom->string_idx_table, + em_eeprom->string1, + em_eeprom->string2, + em_eeprom->string3); return 0; } @@ -430,58 +443,61 @@ static int attach_inform(struct i2c_client *client) struct em28xx *dev = client->adapter->algo_data; switch (client->addr << 1) { - case 0x86: - case 0x84: - case 0x96: - case 0x94: - { - struct v4l2_priv_tun_config tda9887_cfg; - - struct tuner_setup tun_setup; - - tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; - tun_setup.type = TUNER_TDA9887; - tun_setup.addr = client->addr; - - em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup); - - tda9887_cfg.tuner = TUNER_TDA9887; - tda9887_cfg.priv = &dev->tda9887_conf; - em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, - &tda9887_cfg); - break; - } - case 0x42: - dprintk1(1,"attach_inform: saa7114 detected.\n"); - break; - case 0x4a: - dprintk1(1,"attach_inform: saa7113 detected.\n"); - break; - case 0xa0: - dprintk1(1,"attach_inform: eeprom detected.\n"); - break; - case 0x60: - case 0x8e: - { - struct IR_i2c *ir = i2c_get_clientdata(client); - dprintk1(1,"attach_inform: IR detected (%s).\n",ir->phys); - em28xx_set_ir(dev,ir); - break; - } - case 0x80: - case 0x88: - dprintk1(1,"attach_inform: msp34xx detected.\n"); - break; - case 0xb8: - case 0xba: - dprintk1(1,"attach_inform: tvp5150 detected.\n"); - break; - - default: - if (!dev->tuner_addr) - dev->tuner_addr = client->addr; - - dprintk1(1,"attach inform: detected I2C address %x\n", client->addr << 1); + case 0x86: + case 0x84: + case 0x96: + case 0x94: + { + struct v4l2_priv_tun_config tda9887_cfg; + + struct tuner_setup tun_setup; + + tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; + tun_setup.type = TUNER_TDA9887; + tun_setup.addr = client->addr; + + em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, + &tun_setup); + + tda9887_cfg.tuner = TUNER_TDA9887; + tda9887_cfg.priv = &dev->tda9887_conf; + em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, + &tda9887_cfg); + break; + } + case 0x42: + dprintk1(1, "attach_inform: saa7114 detected.\n"); + break; + case 0x4a: + dprintk1(1, "attach_inform: saa7113 detected.\n"); + break; + case 0xa0: + dprintk1(1, "attach_inform: eeprom detected.\n"); + break; + case 0x60: + case 0x8e: + { + struct IR_i2c *ir = i2c_get_clientdata(client); + dprintk1(1, "attach_inform: IR detected (%s).\n", + ir->phys); + em28xx_set_ir(dev, ir); + break; + } + case 0x80: + case 0x88: + dprintk1(1, "attach_inform: msp34xx detected.\n"); + break; + case 0xb8: + case 0xba: + dprintk1(1, "attach_inform: tvp5150 detected.\n"); + break; + + default: + if (!dev->tuner_addr) + dev->tuner_addr = client->addr; + + dprintk1(1, "attach inform: detected I2C address %x\n", + client->addr << 1); } diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c index 10da2fd..bb58071 100644 --- a/drivers/media/video/em28xx/em28xx-input.c +++ b/drivers/media/video/em28xx/em28xx-input.c @@ -32,10 +32,12 @@ static unsigned int ir_debug; module_param(ir_debug, int, 0644); -MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); +MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); -#define dprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) +#define dprintk(fmt, arg...) \ + if (ir_debug) { \ + printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg); \ + } /* ----------------------------------------------------------------------- */ @@ -44,7 +46,7 @@ int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) unsigned char b; /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c,&b,1)) { + if (1 != i2c_master_recv(&ir->c, &b, 1)) { dprintk("read error\n"); return -EIO; } @@ -74,24 +76,25 @@ int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) unsigned char code; /* poll IR chip */ - if (2 != i2c_master_recv(&ir->c,buf,2)) + if (2 != i2c_master_recv(&ir->c, buf, 2)) return -EIO; /* Does eliminate repeated parity code */ - if (buf[1]==0xff) + if (buf[1] == 0xff) return 0; - ir->old=buf[1]; + ir->old = buf[1]; /* Rearranges bits to the right order */ - code= ((buf[0]&0x01)<<5) | /* 0010 0000 */ + code = ((buf[0]&0x01)<<5) | /* 0010 0000 */ ((buf[0]&0x02)<<3) | /* 0001 0000 */ ((buf[0]&0x04)<<1) | /* 0000 1000 */ ((buf[0]&0x08)>>1) | /* 0000 0100 */ ((buf[0]&0x10)>>3) | /* 0000 0010 */ ((buf[0]&0x20)>>5); /* 0000 0001 */ - dprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x)\n",code,buf[0]); + dprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x)\n", + code, buf[0]); /* return key */ *ir_key = code; @@ -106,15 +109,14 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, /* poll IR chip */ - if (3 != i2c_master_recv(&ir->c,buf,3)) { + if (3 != i2c_master_recv(&ir->c, buf, 3)) { dprintk("read error\n"); return -EIO; } dprintk("key %02x\n", buf[2]&0x3f); - if (buf[0]!=0x00){ + if (buf[0] != 0x00) return 0; - } *ir_key = buf[2]&0x3f; *ir_raw = buf[2]&0x3f; diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h new file mode 100644 index 0000000..9058bed --- /dev/null +++ b/drivers/media/video/em28xx/em28xx-reg.h @@ -0,0 +1,88 @@ +#define EM_GPIO_0 (1 << 0) +#define EM_GPIO_1 (1 << 1) +#define EM_GPIO_2 (1 << 2) +#define EM_GPIO_3 (1 << 3) +#define EM_GPIO_4 (1 << 4) +#define EM_GPIO_5 (1 << 5) +#define EM_GPIO_6 (1 << 6) +#define EM_GPIO_7 (1 << 7) + +#define EM_GPO_0 (1 << 0) +#define EM_GPO_1 (1 << 1) +#define EM_GPO_2 (1 << 2) +#define EM_GPO_3 (1 << 3) + +/* em2800 registers */ +#define EM2800_R08_AUDIOSRC 0x08 + +/* em28xx registers */ + + /* GPIO/GPO registers */ +#define EM2880_R04_GPO 0x04 /* em2880-em2883 only */ +#define EM28XX_R08_GPIO 0x08 /* em2820 or upper */ + +#define EM28XX_R06_I2C_CLK 0x06 +#define EM28XX_R0A_CHIPID 0x0a +#define EM28XX_R0C_USBSUSP 0x0c /* */ + +#define EM28XX_R0E_AUDIOSRC 0x0e +#define EM28XX_R0F_XCLK 0x0f + +#define EM28XX_R10_VINMODE 0x10 +#define EM28XX_R11_VINCTRL 0x11 +#define EM28XX_R12_VINENABLE 0x12 /* */ + +#define EM28XX_R14_GAMMA 0x14 +#define EM28XX_R15_RGAIN 0x15 +#define EM28XX_R16_GGAIN 0x16 +#define EM28XX_R17_BGAIN 0x17 +#define EM28XX_R18_ROFFSET 0x18 +#define EM28XX_R19_GOFFSET 0x19 +#define EM28XX_R1A_BOFFSET 0x1a + +#define EM28XX_R1B_OFLOW 0x1b +#define EM28XX_R1C_HSTART 0x1c +#define EM28XX_R1D_VSTART 0x1d +#define EM28XX_R1E_CWIDTH 0x1e +#define EM28XX_R1F_CHEIGHT 0x1f + +#define EM28XX_R20_YGAIN 0x20 +#define EM28XX_R21_YOFFSET 0x21 +#define EM28XX_R22_UVGAIN 0x22 +#define EM28XX_R23_UOFFSET 0x23 +#define EM28XX_R24_VOFFSET 0x24 +#define EM28XX_R25_SHARPNESS 0x25 + +#define EM28XX_R26_COMPR 0x26 +#define EM28XX_R27_OUTFMT 0x27 + +#define EM28XX_R28_XMIN 0x28 +#define EM28XX_R29_XMAX 0x29 +#define EM28XX_R2A_YMIN 0x2a +#define EM28XX_R2B_YMAX 0x2b + +#define EM28XX_R30_HSCALELOW 0x30 +#define EM28XX_R31_HSCALEHIGH 0x31 +#define EM28XX_R32_VSCALELOW 0x32 +#define EM28XX_R33_VSCALEHIGH 0x33 + +#define EM28XX_R40_AC97LSB 0x40 +#define EM28XX_R41_AC97MSB 0x41 +#define EM28XX_R42_AC97ADDR 0x42 +#define EM28XX_R43_AC97BUSY 0x43 + +/* em202 registers */ +#define EM28XX_R02_MASTER_AC97 0x02 +#define EM28XX_R10_LINE_IN_AC97 0x10 +#define EM28XX_R14_VIDEO_AC97 0x14 + +/* register settings */ +#define EM2800_AUDIO_SRC_TUNER 0x0d +#define EM2800_AUDIO_SRC_LINE 0x0c +#define EM28XX_AUDIO_SRC_TUNER 0xc0 +#define EM28XX_AUDIO_SRC_LINE 0x80 + +/* FIXME: Need to be populated with the other chip ID's */ +enum em28xx_chip_id { + CHIP_ID_EM2883 = 36, +}; diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 4abe670..8996175 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1,5 +1,6 @@ /* - em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB video capture devices + em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB + video capture devices Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> Markus Rechberger <mrechberger@gmail.com> @@ -52,7 +53,19 @@ #define em28xx_videodbg(fmt, arg...) do {\ if (video_debug) \ printk(KERN_INFO "%s %s :"fmt, \ - dev->name, __FUNCTION__ , ##arg); } while (0) + dev->name, __func__ , ##arg); } while (0) + +static unsigned int isoc_debug; +module_param(isoc_debug, int, 0644); +MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); + +#define em28xx_isocdbg(fmt, arg...) \ +do {\ + if (isoc_debug) { \ + printk(KERN_INFO "%s %s :"fmt, \ + dev->name, __func__ , ##arg); \ + } \ + } while (0) MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); @@ -74,9 +87,9 @@ MODULE_PARM_DESC(video_nr, "video device numbers"); MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); MODULE_PARM_DESC(radio_nr, "radio device numbers"); -static unsigned int video_debug = 0; -module_param(video_debug,int,0644); -MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); +static unsigned int video_debug; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */ static unsigned long em28xx_devused; @@ -93,7 +106,7 @@ static struct v4l2_queryctrl em28xx_qctrl[] = { .step = 0x1, .default_value = 0x1f, .flags = 0, - },{ + }, { .id = V4L2_CID_AUDIO_MUTE, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Mute", @@ -107,8 +120,391 @@ static struct v4l2_queryctrl em28xx_qctrl[] = { static struct usb_driver em28xx_usb_driver; +/* ------------------------------------------------------------------ + DMA and thread functions + ------------------------------------------------------------------*/ + +/* + * Announces that a buffer were filled and request the next + */ +static inline void buffer_filled(struct em28xx *dev, + struct em28xx_dmaqueue *dma_q, + struct em28xx_buffer *buf) +{ + /* Advice that buffer was filled */ + em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); + buf->vb.state = VIDEOBUF_DONE; + buf->vb.field_count++; + do_gettimeofday(&buf->vb.ts); -/********************* v4l2 interface ******************************************/ + dev->isoc_ctl.buf = NULL; + + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); +} + +/* + * Identify the buffer header type and properly handles + */ +static void em28xx_copy_video(struct em28xx *dev, + struct em28xx_dmaqueue *dma_q, + struct em28xx_buffer *buf, + unsigned char *p, + unsigned char *outp, unsigned long len) +{ + void *fieldstart, *startwrite, *startread; + int linesdone, currlinedone, offset, lencopy, remain; + int bytesperline = dev->width << 1; + + if (dma_q->pos + len > buf->vb.size) + len = buf->vb.size - dma_q->pos; + + if (p[0] != 0x88 && p[0] != 0x22) { + em28xx_isocdbg("frame is not complete\n"); + len += 4; + } else + p += 4; + + startread = p; + remain = len; + + /* Interlaces frame */ + if (buf->top_field) + fieldstart = outp; + else + fieldstart = outp + bytesperline; + + linesdone = dma_q->pos / bytesperline; + currlinedone = dma_q->pos % bytesperline; + offset = linesdone * bytesperline * 2 + currlinedone; + startwrite = fieldstart + offset; + lencopy = bytesperline - currlinedone; + lencopy = lencopy > remain ? remain : lencopy; + + if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { + em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", + ((char *)startwrite + lencopy) - + ((char *)outp + buf->vb.size)); + lencopy = remain = (char *)outp + buf->vb.size - (char *)startwrite; + } + if (lencopy <= 0) + return; + memcpy(startwrite, startread, lencopy); + + remain -= lencopy; + + while (remain > 0) { + startwrite += lencopy + bytesperline; + startread += lencopy; + if (bytesperline > remain) + lencopy = remain; + else + lencopy = bytesperline; + + if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { + em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n", + ((char *)startwrite + lencopy) - + ((char *)outp + buf->vb.size)); + lencopy = remain = (char *)outp + buf->vb.size - + (char *)startwrite; + } + if (lencopy <= 0) + break; + + memcpy(startwrite, startread, lencopy); + + remain -= lencopy; + } + + dma_q->pos += len; +} + +static inline void print_err_status(struct em28xx *dev, + int packet, int status) +{ + char *errmsg = "Unknown"; + + switch (status) { + case -ENOENT: + errmsg = "unlinked synchronuously"; + break; + case -ECONNRESET: + errmsg = "unlinked asynchronuously"; + break; + case -ENOSR: + errmsg = "Buffer error (overrun)"; + break; + case -EPIPE: + errmsg = "Stalled (device not responding)"; + break; + case -EOVERFLOW: + errmsg = "Babble (bad cable?)"; + break; + case -EPROTO: + errmsg = "Bit-stuff error (bad cable?)"; + break; + case -EILSEQ: + errmsg = "CRC/Timeout (could be anything)"; + break; + case -ETIME: + errmsg = "Device does not respond"; + break; + } + if (packet < 0) { + em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); + } else { + em28xx_isocdbg("URB packet %d, status %d [%s].\n", + packet, status, errmsg); + } +} + +/* + * video-buf generic routine to get the next available buffer + */ +static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, + struct em28xx_buffer **buf) +{ + struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); + char *outp; + + if (list_empty(&dma_q->active)) { + em28xx_isocdbg("No active queue to serve\n"); + dev->isoc_ctl.buf = NULL; + *buf = NULL; + return; + } + + /* Get the next buffer */ + *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); + + /* Cleans up buffer - Usefull for testing for frame/URB loss */ + outp = videobuf_to_vmalloc(&(*buf)->vb); + memset(outp, 0, (*buf)->vb.size); + + dev->isoc_ctl.buf = *buf; + + return; +} + +/* + * Controls the isoc copy of each urb packet + */ +static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) +{ + struct em28xx_buffer *buf; + struct em28xx_dmaqueue *dma_q = urb->context; + unsigned char *outp = NULL; + int i, len = 0, rc = 1; + unsigned char *p; + + if (!dev) + return 0; + + if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) + return 0; + + if (urb->status < 0) { + print_err_status(dev, -1, urb->status); + if (urb->status == -ENOENT) + return 0; + } + + buf = dev->isoc_ctl.buf; + if (buf != NULL) + outp = videobuf_to_vmalloc(&buf->vb); + + for (i = 0; i < urb->number_of_packets; i++) { + int status = urb->iso_frame_desc[i].status; + + if (status < 0) { + print_err_status(dev, i, status); + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; + } + + len = urb->iso_frame_desc[i].actual_length - 4; + + if (urb->iso_frame_desc[i].actual_length <= 0) { + /* em28xx_isocdbg("packet %d is empty",i); - spammy */ + continue; + } + if (urb->iso_frame_desc[i].actual_length > + dev->max_pkt_size) { + em28xx_isocdbg("packet bigger than packet size"); + continue; + } + + p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; + + /* FIXME: incomplete buffer checks where removed to make + logic simpler. Impacts of those changes should be evaluated + */ + if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { + em28xx_isocdbg("VBI HEADER!!!\n"); + /* FIXME: Should add vbi copy */ + continue; + } + if (p[0] == 0x22 && p[1] == 0x5a) { + em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], + len, (p[2] & 1)? "odd" : "even"); + + if (!(p[2] & 1)) { + if (buf != NULL) + buffer_filled(dev, dma_q, buf); + get_next_buf(dma_q, &buf); + if (buf == NULL) + outp = NULL; + else + outp = videobuf_to_vmalloc(&buf->vb); + } + + if (buf != NULL) { + if (p[2] & 1) + buf->top_field = 0; + else + buf->top_field = 1; + } + + dma_q->pos = 0; + } + if (buf != NULL) + em28xx_copy_video(dev, dma_q, buf, p, outp, len); + } + return rc; +} + +/* ------------------------------------------------------------------ + Videobuf operations + ------------------------------------------------------------------*/ + +static int +buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) +{ + struct em28xx_fh *fh = vq->priv_data; + struct em28xx *dev = fh->dev; + struct v4l2_frequency f; + + *size = 16 * fh->dev->width * fh->dev->height >> 3; + if (0 == *count) + *count = EM28XX_DEF_BUF; + + if (*count < EM28XX_MIN_BUF) + *count = EM28XX_MIN_BUF; + + /* Ask tuner to go to analog mode */ + memset(&f, 0, sizeof(f)); + f.frequency = dev->ctl_freq; + + em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f); + + return 0; +} + +/* This is called *without* dev->slock held; please keep it that way */ +static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) +{ + struct em28xx_fh *fh = vq->priv_data; + struct em28xx *dev = fh->dev; + unsigned long flags = 0; + if (in_interrupt()) + BUG(); + + /* We used to wait for the buffer to finish here, but this didn't work + because, as we were keeping the state as VIDEOBUF_QUEUED, + videobuf_queue_cancel marked it as finished for us. + (Also, it could wedge forever if the hardware was misconfigured.) + + This should be safe; by the time we get here, the buffer isn't + queued anymore. If we ever start marking the buffers as + VIDEOBUF_ACTIVE, it won't be, though. + */ + spin_lock_irqsave(&dev->slock, flags); + if (dev->isoc_ctl.buf == buf) + dev->isoc_ctl.buf = NULL; + spin_unlock_irqrestore(&dev->slock, flags); + + videobuf_vmalloc_free(&buf->vb); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + +static int +buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct em28xx_fh *fh = vq->priv_data; + struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); + struct em28xx *dev = fh->dev; + int rc = 0, urb_init = 0; + + /* FIXME: It assumes depth = 16 */ + /* The only currently supported format is 16 bits/pixel */ + buf->vb.size = 16 * dev->width * dev->height >> 3; + + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + buf->vb.width = dev->width; + buf->vb.height = dev->height; + buf->vb.field = field; + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + rc = videobuf_iolock(vq, &buf->vb, NULL); + if (rc < 0) + goto fail; + } + + if (!dev->isoc_ctl.num_bufs) + urb_init = 1; + + if (urb_init) { + rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, + EM28XX_NUM_BUFS, dev->max_pkt_size, + em28xx_isoc_copy); + if (rc < 0) + goto fail; + } + + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + +fail: + free_buffer(vq, buf); + return rc; +} + +static void +buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); + struct em28xx_fh *fh = vq->priv_data; + struct em28xx *dev = fh->dev; + struct em28xx_dmaqueue *vidq = &dev->vidq; + + buf->vb.state = VIDEOBUF_QUEUED; + list_add_tail(&buf->vb.queue, &vidq->active); + +} + +static void buffer_release(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); + struct em28xx_fh *fh = vq->priv_data; + struct em28xx *dev = (struct em28xx *)fh->dev; + + em28xx_isocdbg("em28xx: called buffer_release\n"); + + free_buffer(vq, buf); +} + +static struct videobuf_queue_ops em28xx_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +/********************* v4l2 interface **************************************/ /* * em28xx_config() @@ -123,9 +519,9 @@ static int em28xx_config(struct em28xx *dev) /* enable vbi capturing */ -/* em28xx_write_regs_req(dev,0x00,0x0e,"\xC0",1); audio register */ -/* em28xx_write_regs_req(dev,0x00,0x0f,"\x80",1); clk register */ - em28xx_write_regs_req(dev,0x00,0x11,"\x51",1); +/* em28xx_write_regs_req(dev, 0x00, 0x0e, "\xC0", 1); audio register */ +/* em28xx_write_regs_req(dev, 0x00, 0x0f, "\x80", 1); clk register */ + em28xx_write_regs_req(dev, 0x00, 0x11, "\x51", 1); dev->mute = 1; /* maybe not the right place... */ dev->volume = 0x1f; @@ -152,23 +548,6 @@ static void em28xx_config_i2c(struct em28xx *dev) em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL); } -/* - * em28xx_empty_framequeues() - * prepare queues for incoming and outgoing frames - */ -static void em28xx_empty_framequeues(struct em28xx *dev) -{ - u32 i; - - INIT_LIST_HEAD(&dev->inqueue); - INIT_LIST_HEAD(&dev->outqueue); - - for (i = 0; i < EM28XX_NUM_FRAMES; i++) { - dev->frame[i].state = F_UNUSED; - dev->frame[i].buf.bytesused = 0; - } -} - static void video_mux(struct em28xx *dev, int index) { struct v4l2_routing route; @@ -181,12 +560,15 @@ static void video_mux(struct em28xx *dev, int index) em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); if (dev->has_msp34xx) { - if (dev->i2s_speed) - em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, &dev->i2s_speed); + if (dev->i2s_speed) { + em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, + &dev->i2s_speed); + } route.input = dev->ctl_ainput; route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); /* Note: this is msp3400 specific */ - em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, &route); + em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, + &route); } em28xx_audio_analog_set(dev); @@ -202,15 +584,12 @@ static int res_get(struct em28xx_fh *fh) if (fh->stream_on) return rc; - mutex_lock(&dev->lock); - if (dev->stream_on) - rc = -EINVAL; - else { - dev->stream_on = 1; - fh->stream_on = 1; - } + return -EINVAL; + mutex_lock(&dev->lock); + dev->stream_on = 1; + fh->stream_on = 1; mutex_unlock(&dev->lock); return rc; } @@ -231,33 +610,6 @@ static void res_free(struct em28xx_fh *fh) } /* - * em28xx_vm_open() - */ -static void em28xx_vm_open(struct vm_area_struct *vma) -{ - struct em28xx_frame_t *f = vma->vm_private_data; - f->vma_use_count++; -} - -/* - * em28xx_vm_close() - */ -static void em28xx_vm_close(struct vm_area_struct *vma) -{ - /* NOTE: buffers are not freed here */ - struct em28xx_frame_t *f = vma->vm_private_data; - - if (f->vma_use_count) - f->vma_use_count--; -} - -static struct vm_operations_struct em28xx_vm_ops = { - .open = em28xx_vm_open, - .close = em28xx_vm_close, -}; - - -/* * em28xx_get_ctrl() * return the current saturation, brightness or contrast, mute state */ @@ -296,34 +648,6 @@ static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) } } -/* - * em28xx_stream_interrupt() - * stops streaming - */ -static int em28xx_stream_interrupt(struct em28xx *dev) -{ - int rc = 0; - - /* stop reading from the device */ - - dev->stream = STREAM_INTERRUPT; - rc = wait_event_timeout(dev->wait_stream, - (dev->stream == STREAM_OFF) || - (dev->state & DEV_DISCONNECTED), - EM28XX_URB_TIMEOUT); - - if (rc) { - dev->state |= DEV_MISCONFIGURED; - em28xx_videodbg("device is misconfigured; close and " - "open /dev/video%d again\n", - dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN); - return rc; - } - - return 0; -} - - static int check_dev(struct em28xx *dev) { if (dev->state & DEV_DISCONNECTED) { @@ -370,8 +694,8 @@ static int vidioc_g_fmt_cap(struct file *file, void *priv, f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; - f->fmt.pix.bytesperline = dev->bytesperline; - f->fmt.pix.sizeimage = dev->frame_size; + f->fmt.pix.bytesperline = dev->width * 2; + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ @@ -447,7 +771,7 @@ static int vidioc_s_fmt_cap(struct file *file, void *priv, { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; - int rc, i; + int rc; rc = check_dev(dev); if (rc < 0) @@ -457,49 +781,34 @@ static int vidioc_s_fmt_cap(struct file *file, void *priv, mutex_lock(&dev->lock); - for (i = 0; i < dev->num_frames; i++) - if (dev->frame[i].vma_use_count) { - em28xx_videodbg("VIDIOC_S_FMT failed. " - "Unmap the buffers first.\n"); - rc = -EINVAL; - goto err; - } - - /* stop io in case it is already in progress */ - if (dev->stream == STREAM_ON) { - em28xx_videodbg("VIDIOC_SET_FMT: interrupting stream\n"); - rc = em28xx_stream_interrupt(dev); - if (rc < 0) - goto err; + if (videobuf_queue_is_busy(&fh->vb_vidq)) { + em28xx_errdev("%s queue busy\n", __func__); + rc = -EBUSY; + goto out; } - em28xx_release_buffers(dev); - dev->io = IO_NONE; + if (dev->stream_on && !fh->stream_on) { + em28xx_errdev("%s device in use by another fh\n", __func__); + rc = -EBUSY; + goto out; + } /* set new image size */ dev->width = f->fmt.pix.width; dev->height = f->fmt.pix.height; - dev->frame_size = dev->width * dev->height * 2; - dev->field_size = dev->frame_size >> 1; - dev->bytesperline = dev->width * 2; get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); - /* FIXME: This is really weird! Why capture is starting with - this ioctl ??? - */ - em28xx_uninit_isoc(dev); em28xx_set_alternate(dev); - em28xx_capture_start(dev, 1); em28xx_resolution_set(dev); - em28xx_init_isoc(dev); + rc = 0; -err: +out: mutex_unlock(&dev->lock); return rc; } -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; @@ -524,9 +833,6 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) /* set new image size */ dev->width = f.fmt.pix.width; dev->height = f.fmt.pix.height; - dev->frame_size = dev->width * dev->height * 2; - dev->field_size = dev->frame_size >> 1; - dev->bytesperline = dev->width * 2; get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); em28xx_resolution_set(dev); @@ -619,11 +925,11 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) index = dev->ctl_ainput; - if (index == 0) { + if (index == 0) strcpy(a->name, "Television"); - } else { + else strcpy(a->name, "Line In"); - } + a->capability = V4L2_AUDCAP_STEREO; a->index = index; @@ -834,9 +1140,9 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int em28xx_reg_len(int reg) { switch (reg) { - case AC97LSB_REG: - case HSCALELOW_REG: - case VSCALELOW_REG: + case EM28XX_R40_AC97LSB: + case EM28XX_R30_HSCALELOW: + case EM28XX_R32_VSCALELOW: return 2; default: return 1; @@ -918,23 +1224,11 @@ static int vidioc_streamon(struct file *file, void *priv, if (rc < 0) return rc; - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP) - return -EINVAL; - - if (list_empty(&dev->inqueue)) - return -EINVAL; - - mutex_lock(&dev->lock); - if (unlikely(res_get(fh) < 0)) { - mutex_unlock(&dev->lock); + if (unlikely(res_get(fh) < 0)) return -EBUSY; - } - dev->stream = STREAM_ON; /* FIXME: Start video capture here? */ - - mutex_unlock(&dev->lock); - return 0; + return (videobuf_streamon(&fh->vb_vidq)); } static int vidioc_streamoff(struct file *file, void *priv, @@ -948,23 +1242,14 @@ static int vidioc_streamoff(struct file *file, void *priv, if (rc < 0) return rc; - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP) + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (type != fh->type) return -EINVAL; - mutex_lock(&dev->lock); - - if (dev->stream == STREAM_ON) { - em28xx_videodbg("VIDIOC_STREAMOFF: interrupting stream\n"); - rc = em28xx_stream_interrupt(dev); - if (rc < 0) { - mutex_unlock(&dev->lock); - return rc; - } - } - - em28xx_empty_framequeues(dev); + videobuf_streamoff(&fh->vb_vidq); + res_free(fh); - mutex_unlock(&dev->lock); return 0; } @@ -1058,53 +1343,13 @@ static int vidioc_reqbufs(struct file *file, void *priv, { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; - u32 i; int rc; rc = check_dev(dev); if (rc < 0) return rc; - if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - rb->memory != V4L2_MEMORY_MMAP) - return -EINVAL; - - if (dev->io == IO_READ) { - em28xx_videodbg("method is set to read;" - " close and open the device again to" - " choose the mmap I/O method\n"); - return -EINVAL; - } - - for (i = 0; i < dev->num_frames; i++) - if (dev->frame[i].vma_use_count) { - em28xx_videodbg("VIDIOC_REQBUFS failed; " - "previous buffers are still mapped\n"); - return -EINVAL; - } - - mutex_lock(&dev->lock); - - if (dev->stream == STREAM_ON) { - em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n"); - rc = em28xx_stream_interrupt(dev); - if (rc < 0) { - mutex_unlock(&dev->lock); - return rc; - } - } - - em28xx_empty_framequeues(dev); - - em28xx_release_buffers(dev); - if (rb->count) - rb->count = em28xx_request_buffers(dev, rb->count); - - dev->frame_current = NULL; - dev->io = rb->count ? IO_MMAP : IO_NONE; - - mutex_unlock(&dev->lock); - return 0; + return (videobuf_reqbufs(&fh->vb_vidq, rb)); } static int vidioc_querybuf(struct file *file, void *priv, @@ -1118,52 +1363,20 @@ static int vidioc_querybuf(struct file *file, void *priv, if (rc < 0) return rc; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b->index >= dev->num_frames || dev->io != IO_MMAP) - return -EINVAL; - - mutex_lock(&dev->lock); - - memcpy(b, &dev->frame[b->index].buf, sizeof(*b)); - - if (dev->frame[b->index].vma_use_count) - b->flags |= V4L2_BUF_FLAG_MAPPED; - - if (dev->frame[b->index].state == F_DONE) - b->flags |= V4L2_BUF_FLAG_DONE; - else if (dev->frame[b->index].state != F_UNUSED) - b->flags |= V4L2_BUF_FLAG_QUEUED; - - mutex_unlock(&dev->lock); - return 0; + return (videobuf_querybuf(&fh->vb_vidq, b)); } static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; - unsigned long lock_flags; int rc; rc = check_dev(dev); if (rc < 0) return rc; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP || - b->index >= dev->num_frames) - return -EINVAL; - - if (dev->frame[b->index].state != F_UNUSED) - return -EAGAIN; - - dev->frame[b->index].state = F_QUEUED; - - /* add frame to fifo */ - spin_lock_irqsave(&dev->queue_lock, lock_flags); - list_add_tail(&dev->frame[b->index].frame, &dev->inqueue); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - - return 0; + return (videobuf_qbuf(&fh->vb_vidq, b)); } static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) @@ -1171,46 +1384,24 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; int rc; - struct em28xx_frame_t *f; - unsigned long lock_flags; rc = check_dev(dev); if (rc < 0) return rc; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP) - return -EINVAL; - - if (list_empty(&dev->outqueue)) { - if (dev->stream == STREAM_OFF) - return -EINVAL; - - if (file->f_flags & O_NONBLOCK) - return -EAGAIN; - - rc = wait_event_interruptible(dev->wait_frame, - (!list_empty(&dev->outqueue)) || - (dev->state & DEV_DISCONNECTED)); - if (rc) - return rc; - - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - } - - spin_lock_irqsave(&dev->queue_lock, lock_flags); - f = list_entry(dev->outqueue.next, struct em28xx_frame_t, frame); - list_del(dev->outqueue.next); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - - f->state = F_UNUSED; - memcpy(b, &f->buf, sizeof(*b)); + return (videobuf_dqbuf(&fh->vb_vidq, b, + file->f_flags & O_NONBLOCK)); +} - if (f->vma_use_count) - b->flags |= V4L2_BUF_FLAG_MAPPED; +#ifdef CONFIG_VIDEO_V4L1_COMPAT +static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) +{ + struct em28xx_fh *fh = priv; - return 0; + return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); } +#endif + /* ----------------------------------------------------------- */ /* RADIO ESPECIFIC IOCTLS */ @@ -1316,17 +1507,18 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) { int minor = iminor(inode); int errCode = 0, radio = 0; - struct em28xx *h,*dev = NULL; + struct em28xx *h, *dev = NULL; struct em28xx_fh *fh; + enum v4l2_buf_type fh_type = 0; list_for_each_entry(h, &em28xx_devlist, devlist) { if (h->vdev->minor == minor) { dev = h; - dev->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; } if (h->vbi_dev->minor == minor) { dev = h; - dev->type = V4L2_BUF_TYPE_VBI_CAPTURE; + fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; } if (h->radio_dev && h->radio_dev->minor == minor) { @@ -1338,10 +1530,10 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) return -ENODEV; em28xx_videodbg("open minor=%d type=%s users=%d\n", - minor,v4l2_type_names[dev->type],dev->users); + minor, v4l2_type_names[fh_type], dev->users); - fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); + fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); if (!fh) { em28xx_errdev("em28xx-video.c: Out of memory?!\n"); return -ENOMEM; @@ -1349,28 +1541,24 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) mutex_lock(&dev->lock); fh->dev = dev; fh->radio = radio; + fh->type = fh_type; filp->private_data = fh; - if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { dev->width = norm_maxw(dev); dev->height = norm_maxh(dev); - dev->frame_size = dev->width * dev->height * 2; - dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */ - dev->bytesperline = dev->width * 2; dev->hscale = 0; dev->vscale = 0; + em28xx_set_mode(dev, EM28XX_ANALOG_MODE); em28xx_set_alternate(dev); - em28xx_capture_start(dev, 1); em28xx_resolution_set(dev); + /* Needed, since GPIO might have disabled power of + some i2c device + */ + em28xx_config_i2c(dev); - /* start the transfer */ - errCode = em28xx_init_isoc(dev); - if (errCode) - goto err; - - em28xx_empty_framequeues(dev); } if (fh->radio) { em28xx_videodbg("video_open: setting radio device\n"); @@ -1379,8 +1567,12 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) dev->users++; -err: + videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, + NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED, + sizeof(struct em28xx_buffer), fh); + mutex_unlock(&dev->lock); + return errCode; } @@ -1423,12 +1615,13 @@ static void em28xx_release_resources(struct em28xx *dev) usb_put_dev(dev->udev); /* Mark device as unused */ - em28xx_devused&=~(1<<dev->devno); + em28xx_devused &= ~(1<<dev->devno); } /* * em28xx_v4l2_close() - * stops streaming and deallocates all resources allocated by the v4l2 calls and ioctls + * stops streaming and deallocates all resources allocated by the v4l2 + * calls and ioctls */ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) { @@ -1445,9 +1638,8 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) mutex_lock(&dev->lock); if (dev->users == 1) { - em28xx_uninit_isoc(dev); - em28xx_release_buffers(dev); - dev->io = IO_NONE; + videobuf_stop(&fh->vb_vidq); + videobuf_mmap_free(&fh->vb_vidq); /* the device is already disconnect, free the remaining resources */ @@ -1458,6 +1650,10 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) return 0; } + /* do this before setting alternate! */ + em28xx_uninit_isoc(dev); + em28xx_set_mode(dev, EM28XX_MODE_UNDEFINED); + /* set alternate 0 */ dev->alt = 0; em28xx_videodbg("setting alternate 0\n"); @@ -1479,135 +1675,29 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) * will allocate buffers when called for the first time */ static ssize_t -em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, - loff_t * f_pos) +em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos) { - struct em28xx_frame_t *f, *i; - unsigned long lock_flags; - int ret = 0; struct em28xx_fh *fh = filp->private_data; struct em28xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; /* FIXME: read() is not prepared to allow changing the video resolution while streaming. Seems a bug at em28xx_set_fmt */ - if (unlikely(res_get(fh) < 0)) - return -EBUSY; - - mutex_lock(&dev->lock); - - if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - em28xx_videodbg("V4l2_Buf_type_videocapture is set\n"); + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + if (unlikely(res_get(fh))) + return -EBUSY; - if (dev->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - em28xx_videodbg("V4L2_BUF_TYPE_VBI_CAPTURE is set\n"); - em28xx_videodbg("not supported yet! ...\n"); - if (copy_to_user(buf, "", 1)) { - mutex_unlock(&dev->lock); - return -EFAULT; - } - mutex_unlock(&dev->lock); - return (1); - } - if (dev->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { - em28xx_videodbg("V4L2_BUF_TYPE_SLICED_VBI_CAPTURE is set\n"); - em28xx_videodbg("not supported yet! ...\n"); - if (copy_to_user(buf, "", 1)) { - mutex_unlock(&dev->lock); - return -EFAULT; - } - mutex_unlock(&dev->lock); - return (1); + return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, + filp->f_flags & O_NONBLOCK); } - - if (dev->state & DEV_DISCONNECTED) { - em28xx_videodbg("device not present\n"); - mutex_unlock(&dev->lock); - return -ENODEV; - } - - if (dev->state & DEV_MISCONFIGURED) { - em28xx_videodbg("device misconfigured; close and open it again\n"); - mutex_unlock(&dev->lock); - return -EIO; - } - - if (dev->io == IO_MMAP) { - em28xx_videodbg ("IO method is set to mmap; close and open" - " the device again to choose the read method\n"); - mutex_unlock(&dev->lock); - return -EINVAL; - } - - if (dev->io == IO_NONE) { - if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) { - em28xx_errdev("read failed, not enough memory\n"); - mutex_unlock(&dev->lock); - return -ENOMEM; - } - dev->io = IO_READ; - dev->stream = STREAM_ON; - em28xx_queue_unusedframes(dev); - } - - if (!count) { - mutex_unlock(&dev->lock); - return 0; - } - - if (list_empty(&dev->outqueue)) { - if (filp->f_flags & O_NONBLOCK) { - mutex_unlock(&dev->lock); - return -EAGAIN; - } - ret = wait_event_interruptible - (dev->wait_frame, - (!list_empty(&dev->outqueue)) || - (dev->state & DEV_DISCONNECTED)); - if (ret) { - mutex_unlock(&dev->lock); - return ret; - } - if (dev->state & DEV_DISCONNECTED) { - mutex_unlock(&dev->lock); - return -ENODEV; - } - dev->video_bytesread = 0; - } - - f = list_entry(dev->outqueue.prev, struct em28xx_frame_t, frame); - - em28xx_queue_unusedframes(dev); - - if (count > f->buf.length) - count = f->buf.length; - - if ((dev->video_bytesread + count) > dev->frame_size) - count = dev->frame_size - dev->video_bytesread; - - if (copy_to_user(buf, f->bufmem+dev->video_bytesread, count)) { - em28xx_err("Error while copying to user\n"); - return -EFAULT; - } - dev->video_bytesread += count; - - if (dev->video_bytesread == dev->frame_size) { - spin_lock_irqsave(&dev->queue_lock, lock_flags); - list_for_each_entry(i, &dev->outqueue, frame) - i->state = F_UNUSED; - INIT_LIST_HEAD(&dev->outqueue); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - - em28xx_queue_unusedframes(dev); - dev->video_bytesread = 0; - } - - *f_pos += count; - - mutex_unlock(&dev->lock); - - return count; + return 0; } /* @@ -1616,46 +1706,21 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, */ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait) { - unsigned int mask = 0; struct em28xx_fh *fh = filp->private_data; struct em28xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; if (unlikely(res_get(fh) < 0)) return POLLERR; - mutex_lock(&dev->lock); - - if (dev->state & DEV_DISCONNECTED) { - em28xx_videodbg("device not present\n"); - } else if (dev->state & DEV_MISCONFIGURED) { - em28xx_videodbg("device is misconfigured; close and open it again\n"); - } else { - if (dev->io == IO_NONE) { - if (!em28xx_request_buffers - (dev, EM28XX_NUM_READ_FRAMES)) { - em28xx_warn - ("poll() failed, not enough memory\n"); - } else { - dev->io = IO_READ; - dev->stream = STREAM_ON; - } - } - - if (dev->io == IO_READ) { - em28xx_queue_unusedframes(dev); - poll_wait(filp, &dev->wait_frame, wait); - - if (!list_empty(&dev->outqueue)) - mask |= POLLIN | POLLRDNORM; - - mutex_unlock(&dev->lock); - - return mask; - } - } + if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) + return POLLERR; - mutex_unlock(&dev->lock); - return POLLERR; + return videobuf_poll_stream(filp, &fh->vb_vidq, wait); } /* @@ -1665,69 +1730,23 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) { struct em28xx_fh *fh = filp->private_data; struct em28xx *dev = fh->dev; - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long start = vma->vm_start; - void *pos; - u32 i; + int rc; if (unlikely(res_get(fh) < 0)) return -EBUSY; - mutex_lock(&dev->lock); - - if (dev->state & DEV_DISCONNECTED) { - em28xx_videodbg("mmap: device not present\n"); - mutex_unlock(&dev->lock); - return -ENODEV; - } - - if (dev->state & DEV_MISCONFIGURED) { - em28xx_videodbg ("mmap: Device is misconfigured; close and " - "open it again\n"); - mutex_unlock(&dev->lock); - return -EIO; - } - - if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE)) { - mutex_unlock(&dev->lock); - return -EINVAL; - } - - if (size > PAGE_ALIGN(dev->frame[0].buf.length)) - size = PAGE_ALIGN(dev->frame[0].buf.length); - - for (i = 0; i < dev->num_frames; i++) { - if ((dev->frame[i].buf.m.offset >> PAGE_SHIFT) == vma->vm_pgoff) - break; - } - if (i == dev->num_frames) { - em28xx_videodbg("mmap: user supplied mapping address is out of range\n"); - mutex_unlock(&dev->lock); - return -EINVAL; - } - - /* VM_IO is eventually going to replace PageReserved altogether */ - vma->vm_flags |= VM_IO; - vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ + rc = check_dev(dev); + if (rc < 0) + return rc; - pos = dev->frame[i].bufmem; - while (size > 0) { /* size is page-aligned */ - if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { - em28xx_videodbg("mmap: vm_insert_page failed\n"); - mutex_unlock(&dev->lock); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - size -= PAGE_SIZE; - } + rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); - vma->vm_ops = &em28xx_vm_ops; - vma->vm_private_data = &dev->frame[i]; + em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", + (unsigned long)vma->vm_start, + (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, + rc); - em28xx_vm_open(vma); - mutex_unlock(&dev->lock); - return 0; + return rc; } static const struct file_operations em28xx_v4l_fops = { @@ -1790,6 +1809,9 @@ static const struct video_device em28xx_video_template = { .vidioc_g_register = vidioc_g_register, .vidioc_s_register = vidioc_s_register, #endif +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif .tvnorms = V4L2_STD_ALL, .current_norm = V4L2_STD_PAL, @@ -1818,7 +1840,7 @@ static struct video_device em28xx_radio_template = { #endif }; -/******************************** usb interface *****************************************/ +/******************************** usb interface ******************************/ static LIST_HEAD(em28xx_extension_devlist); @@ -1875,6 +1897,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev, vfd->dev = &dev->udev->dev; vfd->release = video_device_release; vfd->type = type; + vfd->debug = video_debug; snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); @@ -1898,7 +1921,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->udev = udev; mutex_init(&dev->lock); - spin_lock_init(&dev->queue_lock); + spin_lock_init(&dev->slock); init_waitqueue_head(&dev->open); init_waitqueue_head(&dev->wait_frame); init_waitqueue_head(&dev->wait_stream); @@ -1910,10 +1933,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->em28xx_read_reg_req = em28xx_read_reg_req; dev->is_em2800 = em28xx_boards[dev->model].is_em2800; - errCode = em28xx_read_reg(dev, CHIPID_REG); - if (errCode >= 0) - em28xx_info("em28xx chip ID = %d\n", errCode); - em28xx_pre_card_setup(dev); errCode = em28xx_config(dev); @@ -1946,10 +1965,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->width = maxw; dev->height = maxh; dev->interlaced = EM28XX_INTERLACED_DEFAULT; - dev->field_size = dev->width * dev->height; - dev->frame_size = - dev->interlaced ? dev->field_size << 1 : dev->field_size; - dev->bytesperline = dev->width * 2; dev->hscale = 0; dev->vscale = 0; dev->ctl_input = 2; @@ -2005,6 +2020,10 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->radio_dev->minor & 0x1f); } + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + INIT_LIST_HEAD(&dev->vidq.queued); + if (dev->has_msp34xx) { /* Send a reset to other chips via gpio */ @@ -2048,6 +2067,9 @@ static void request_module_async(struct work_struct *work) request_module("snd-usb-audio"); else request_module("em28xx-alsa"); + + if (dev->has_dvb) + request_module("em28xx-dvb"); } static void request_modules(struct em28xx *dev) @@ -2077,22 +2099,24 @@ static int em28xx_usb_probe(struct usb_interface *interface, ifnum = interface->altsetting[0].desc.bInterfaceNumber; /* Check to see next free device and mark as used */ - nr=find_first_zero_bit(&em28xx_devused,EM28XX_MAXBOARDS); - em28xx_devused|=1<<nr; + nr = find_first_zero_bit(&em28xx_devused, EM28XX_MAXBOARDS); + em28xx_devused |= 1<<nr; /* Don't register audio interfaces */ if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) { em28xx_err(DRIVER_NAME " audio device (%04x:%04x): interface %i, class %i\n", - udev->descriptor.idVendor,udev->descriptor.idProduct, + udev->descriptor.idVendor, + udev->descriptor.idProduct, ifnum, interface->altsetting[0].desc.bInterfaceClass); - em28xx_devused&=~(1<<nr); + em28xx_devused &= ~(1<<nr); return -ENODEV; } em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n", - udev->descriptor.idVendor,udev->descriptor.idProduct, + udev->descriptor.idVendor, + udev->descriptor.idProduct, ifnum, interface->altsetting[0].desc.bInterfaceClass); @@ -2102,18 +2126,19 @@ static int em28xx_usb_probe(struct usb_interface *interface, if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n"); - em28xx_devused&=~(1<<nr); + em28xx_devused &= ~(1<<nr); return -ENODEV; } if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n"); - em28xx_devused&=~(1<<nr); + em28xx_devused &= ~(1<<nr); return -ENODEV; } if (nr >= EM28XX_MAXBOARDS) { - printk (DRIVER_NAME ": Supports only %i em28xx boards.\n",EM28XX_MAXBOARDS); - em28xx_devused&=~(1<<nr); + printk(DRIVER_NAME ": Supports only %i em28xx boards.\n", + EM28XX_MAXBOARDS); + em28xx_devused &= ~(1<<nr); return -ENOMEM; } @@ -2121,7 +2146,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) { em28xx_err(DRIVER_NAME ": out of memory!\n"); - em28xx_devused&=~(1<<nr); + em28xx_devused &= ~(1<<nr); return -ENOMEM; } @@ -2145,14 +2170,14 @@ static int em28xx_usb_probe(struct usb_interface *interface, /* compute alternate max packet sizes */ uif = udev->actconfig->interface[0]; - dev->num_alt=uif->num_altsetting; - em28xx_info("Alternate settings: %i\n",dev->num_alt); -// dev->alt_max_pkt_size = kmalloc(sizeof(*dev->alt_max_pkt_size)* - dev->alt_max_pkt_size = kmalloc(32* - dev->num_alt,GFP_KERNEL); + dev->num_alt = uif->num_altsetting; + em28xx_info("Alternate settings: %i\n", dev->num_alt); +/* dev->alt_max_pkt_size = kmalloc(sizeof(*dev->alt_max_pkt_size)* */ + dev->alt_max_pkt_size = kmalloc(32 * dev->num_alt, GFP_KERNEL); + if (dev->alt_max_pkt_size == NULL) { em28xx_errdev("out of memory!\n"); - em28xx_devused&=~(1<<nr); + em28xx_devused &= ~(1<<nr); kfree(dev); return -ENOMEM; } @@ -2162,11 +2187,11 @@ static int em28xx_usb_probe(struct usb_interface *interface, wMaxPacketSize); dev->alt_max_pkt_size[i] = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); - em28xx_info("Alternate setting %i, max size= %i\n",i, - dev->alt_max_pkt_size[i]); + em28xx_info("Alternate setting %i, max size= %i\n", i, + dev->alt_max_pkt_size[i]); } - if ((card[nr]>=0)&&(card[nr]<em28xx_bcount)) + if ((card[nr] >= 0) && (card[nr] < em28xx_bcount)) dev->model = card[nr]; /* allocate device struct */ @@ -2202,7 +2227,8 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) em28xx_info("disconnecting %s\n", dev->vdev->name); - /* wait until all current v4l2 io is finished then deallocate resources */ + /* wait until all current v4l2 io is finished then deallocate + resources */ mutex_lock(&dev->lock); wake_up_interruptible_all(&dev->open); diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 04e0e48..002f170 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -26,11 +26,39 @@ #define _EM28XX_H #include <linux/videodev2.h> +#include <media/videobuf-vmalloc.h> + #include <linux/i2c.h> #include <linux/mutex.h> #include <media/ir-kbd-i2c.h> - -#define UNSET -1 +#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE) +#include <media/videobuf-dvb.h> +#endif +#include "tuner-xc2028.h" +#include "em28xx-reg.h" + +/* Boards supported by driver */ +#define EM2800_BOARD_UNKNOWN 0 +#define EM2820_BOARD_UNKNOWN 1 +#define EM2820_BOARD_TERRATEC_CINERGY_250 2 +#define EM2820_BOARD_PINNACLE_USB_2 3 +#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 +#define EM2820_BOARD_MSI_VOX_USB_2 5 +#define EM2800_BOARD_TERRATEC_CINERGY_200 6 +#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 +#define EM2800_BOARD_KWORLD_USB2800 8 +#define EM2820_BOARD_PINNACLE_DVC_90 9 +#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 +#define EM2880_BOARD_TERRATEC_HYBRID_XS 11 +#define EM2820_BOARD_KWORLD_PVRTV2800RF 12 +#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 +#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 +#define EM2800_BOARD_VGEAR_POCKETTV 15 +#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 16 + +/* Limits minimum and default number of buffers */ +#define EM28XX_MIN_BUF 4 +#define EM28XX_DEF_BUF 8 /* maximum number of em28xx boards */ #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */ @@ -81,31 +109,78 @@ /* time in msecs to wait for i2c writes to finish */ #define EM2800_I2C_WRITE_TIMEOUT 20 -/* the various frame states */ -enum em28xx_frame_state { - F_UNUSED = 0, - F_QUEUED, - F_GRABBING, - F_DONE, - F_ERROR, +enum em28xx_mode { + EM28XX_MODE_UNDEFINED, + EM28XX_ANALOG_MODE, + EM28XX_DIGITAL_MODE, }; -/* stream states */ enum em28xx_stream_state { STREAM_OFF, STREAM_INTERRUPT, STREAM_ON, }; -/* frames */ -struct em28xx_frame_t { - void *bufmem; - struct v4l2_buffer buf; - enum em28xx_frame_state state; +struct em28xx; + +struct em28xx_usb_isoc_ctl { + /* max packet size of isoc transaction */ + int max_pkt_size; + + /* number of allocated urbs */ + int num_bufs; + + /* urb for isoc transfers */ + struct urb **urb; + + /* transfer buffers for isoc transfer */ + char **transfer_buffer; + + /* Last buffer command and region */ + u8 cmd; + int pos, size, pktsize; + + /* Last field: ODD or EVEN? */ + int field; + + /* Stores incomplete commands */ + u32 tmp_buf; + int tmp_buf_len; + + /* Stores already requested buffers */ + struct em28xx_buffer *buf; + + /* Stores the number of received fields */ + int nfields; + + /* isoc urb callback */ + int (*isoc_copy) (struct em28xx *dev, struct urb *urb); + +}; + +struct em28xx_fmt { + char *name; + u32 fourcc; /* v4l2 format id */ +}; + +/* buffer for one video frame */ +struct em28xx_buffer { + /* common v4l buffer stuff -- must be first */ + struct videobuf_buffer vb; + struct list_head frame; - unsigned long vma_use_count; int top_field; - int fieldbytesused; + int receiving; +}; + +struct em28xx_dmaqueue { + struct list_head active; + struct list_head queued; + + wait_queue_head_t wq; + + /* Counters to control buffer fill */ + int pos; }; /* io methods */ @@ -152,6 +227,12 @@ enum em28xx_decoder { EM28XX_SAA7114 }; +struct em28xx_reg_seq { + int reg; + unsigned char val, mask; + int sleep; +}; + struct em28xx_board { char *name; int vchannels; @@ -165,8 +246,7 @@ struct em28xx_board { unsigned int mts_firmware:1; unsigned int has_12mhz_i2s:1; unsigned int max_range_640_480:1; - - unsigned int analog_gpio; + unsigned int has_dvb:1; enum em28xx_decoder decoder; @@ -199,7 +279,10 @@ enum em28xx_dev_state { #define EM28XX_NUM_AUDIO_PACKETS 64 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */ #define EM28XX_CAPTURE_STREAM_EN 1 + +/* em28xx extensions */ #define EM28XX_AUDIO 0x10 +#define EM28XX_DVB 0x20 struct em28xx_audio { char name[50]; @@ -217,13 +300,24 @@ struct em28xx_audio { spinlock_t slock; }; +struct em28xx; + +struct em28xx_fh { + struct em28xx *dev; + unsigned int stream_on:1; /* Locks streams */ + int radio; + + struct videobuf_queue vb_vidq; + + enum v4l2_buf_type type; +}; + /* main device struct */ struct em28xx { /* generic device properties */ char name[30]; /* name (including minor) of the device */ int model; /* index in the device_data struct */ int devno; /* marks the number of this device */ - unsigned int analog_gpio; unsigned int is_em2800:1; unsigned int has_msp34xx:1; unsigned int has_tda9887:1; @@ -231,6 +325,16 @@ struct em28xx { unsigned int has_audio_class:1; unsigned int has_12mhz_i2s:1; unsigned int max_range_640_480:1; + unsigned int has_dvb:1; + + /* Some older em28xx chips needs a waiting time after writing */ + unsigned int wait_after_write; + + /* GPIO sequences for analog and digital mode */ + struct em28xx_reg_seq *analog_gpio, *digital_gpio; + + /* GPIO sequences for tuner callbacks */ + struct em28xx_reg_seq *tun_analog_gpio, *tun_digital_gpio; int video_inputs; /* number of video inputs */ struct list_head devlist; @@ -255,36 +359,28 @@ struct em28xx { int mute; int volume; /* frame properties */ - struct em28xx_frame_t frame[EM28XX_NUM_FRAMES]; /* list of frames */ - int num_frames; /* number of frames currently in use */ - unsigned int frame_count; /* total number of transfered frames */ - struct em28xx_frame_t *frame_current; /* the frame that is being filled */ int width; /* current frame width */ int height; /* current frame height */ - int frame_size; /* current frame size */ - int field_size; /* current field size */ - int bytesperline; int hscale; /* horizontal scale factor (see datasheet) */ int vscale; /* vertical scale factor (see datasheet) */ int interlaced; /* 1=interlace fileds, 0=just top fileds */ - int type; unsigned int video_bytesread; /* Number of bytes read */ unsigned long hash; /* eeprom hash - for boards with generic ID */ - unsigned long i2c_hash; /* i2c devicelist hash - for boards with generic ID */ + unsigned long i2c_hash; /* i2c devicelist hash - + for boards with generic ID */ struct em28xx_audio *adev; /* states */ enum em28xx_dev_state state; - enum em28xx_stream_state stream; enum em28xx_io_method io; struct work_struct request_module_wk; /* locks */ struct mutex lock; - spinlock_t queue_lock; + /* spinlock_t queue_lock; */ struct list_head inqueue, outqueue; wait_queue_head_t open, wait_frame, wait_stream; struct video_device *vbi_dev; @@ -292,6 +388,11 @@ struct em28xx { unsigned char eedata[256]; + /* Isoc control struct */ + struct em28xx_dmaqueue vidq; + struct em28xx_usb_isoc_ctl isoc_ctl; + spinlock_t slock; + /* usb transfer */ struct usb_device *udev; /* the usb device */ int alt; /* alternate */ @@ -301,20 +402,21 @@ struct em28xx { struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */ char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */ /* helper funcs that call usb_control_msg */ - int (*em28xx_write_regs) (struct em28xx * dev, u16 reg, char *buf, - int len); - int (*em28xx_read_reg) (struct em28xx * dev, u16 reg); - int (*em28xx_read_reg_req_len) (struct em28xx * dev, u8 req, u16 reg, + int (*em28xx_write_regs) (struct em28xx *dev, u16 reg, char *buf, int len); - int (*em28xx_write_regs_req) (struct em28xx * dev, u8 req, u16 reg, + int (*em28xx_read_reg) (struct em28xx *dev, u16 reg); + int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg, + char *buf, int len); + int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg, char *buf, int len); - int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg); -}; + int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg); -struct em28xx_fh { - struct em28xx *dev; - unsigned int stream_on:1; /* Locks streams */ - int radio; + enum em28xx_mode mode; + + /* Caches GPO and GPIO registers */ + unsigned char reg_gpo, reg_gpio; + + struct em28xx_dvb *dvb; }; struct em28xx_ops { @@ -351,22 +453,27 @@ int em28xx_colorlevels_set_default(struct em28xx *dev); int em28xx_capture_start(struct em28xx *dev, int start); int em28xx_outfmt_set_yuv422(struct em28xx *dev); int em28xx_resolution_set(struct em28xx *dev); -int em28xx_init_isoc(struct em28xx *dev); -void em28xx_uninit_isoc(struct em28xx *dev); int em28xx_set_alternate(struct em28xx *dev); +int em28xx_init_isoc(struct em28xx *dev, int max_packets, + int num_bufs, int max_pkt_size, + int (*isoc_copy) (struct em28xx *dev, struct urb *urb)); +void em28xx_uninit_isoc(struct em28xx *dev); +int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); +int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio); /* Provided by em28xx-video.c */ int em28xx_register_extension(struct em28xx_ops *dev); void em28xx_unregister_extension(struct em28xx_ops *dev); /* Provided by em28xx-cards.c */ -extern int em2800_variant_detect(struct usb_device* udev,int model); +extern int em2800_variant_detect(struct usb_device *udev, int model); extern void em28xx_pre_card_setup(struct em28xx *dev); extern void em28xx_card_setup(struct em28xx *dev); extern struct em28xx_board em28xx_boards[]; extern struct usb_device_id em28xx_id_table[]; extern const unsigned int em28xx_bcount; void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir); +int em28xx_tuner_callback(void *ptr, int command, int arg); /* Provided by em28xx-input.c */ /* TODO: Check if the standard get_key handlers on ir-common can be used */ @@ -375,71 +482,6 @@ int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw); int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw); -/* em2800 registers */ -#define EM2800_AUDIOSRC_REG 0x08 - -/* em28xx registers */ -#define I2C_CLK_REG 0x06 -#define CHIPID_REG 0x0a -#define USBSUSP_REG 0x0c /* */ - -#define AUDIOSRC_REG 0x0e -#define XCLK_REG 0x0f - -#define VINMODE_REG 0x10 -#define VINCTRL_REG 0x11 -#define VINENABLE_REG 0x12 /* */ - -#define GAMMA_REG 0x14 -#define RGAIN_REG 0x15 -#define GGAIN_REG 0x16 -#define BGAIN_REG 0x17 -#define ROFFSET_REG 0x18 -#define GOFFSET_REG 0x19 -#define BOFFSET_REG 0x1a - -#define OFLOW_REG 0x1b -#define HSTART_REG 0x1c -#define VSTART_REG 0x1d -#define CWIDTH_REG 0x1e -#define CHEIGHT_REG 0x1f - -#define YGAIN_REG 0x20 -#define YOFFSET_REG 0x21 -#define UVGAIN_REG 0x22 -#define UOFFSET_REG 0x23 -#define VOFFSET_REG 0x24 -#define SHARPNESS_REG 0x25 - -#define COMPR_REG 0x26 -#define OUTFMT_REG 0x27 - -#define XMIN_REG 0x28 -#define XMAX_REG 0x29 -#define YMIN_REG 0x2a -#define YMAX_REG 0x2b - -#define HSCALELOW_REG 0x30 -#define HSCALEHIGH_REG 0x31 -#define VSCALELOW_REG 0x32 -#define VSCALEHIGH_REG 0x33 - -#define AC97LSB_REG 0x40 -#define AC97MSB_REG 0x41 -#define AC97ADDR_REG 0x42 -#define AC97BUSY_REG 0x43 - -/* em202 registers */ -#define MASTER_AC97 0x02 -#define LINE_IN_AC97 0x10 -#define VIDEO_AC97 0x14 - -/* register settings */ -#define EM2800_AUDIO_SRC_TUNER 0x0d -#define EM2800_AUDIO_SRC_LINE 0x0c -#define EM28XX_AUDIO_SRC_TUNER 0xc0 -#define EM28XX_AUDIO_SRC_LINE 0x80 - /* printk macros */ #define em28xx_err(fmt, arg...) do {\ @@ -456,80 +498,80 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, printk(KERN_WARNING "%s: "fmt,\ dev->name , ##arg); } while (0) -inline static int em28xx_compression_disable(struct em28xx *dev) +static inline int em28xx_compression_disable(struct em28xx *dev) { /* side effect of disabling scaler and mixer */ - return em28xx_write_regs(dev, COMPR_REG, "\x00", 1); + return em28xx_write_regs(dev, EM28XX_R26_COMPR, "\x00", 1); } -inline static int em28xx_contrast_get(struct em28xx *dev) +static inline int em28xx_contrast_get(struct em28xx *dev) { - return em28xx_read_reg(dev, YGAIN_REG) & 0x1f; + return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f; } -inline static int em28xx_brightness_get(struct em28xx *dev) +static inline int em28xx_brightness_get(struct em28xx *dev) { - return em28xx_read_reg(dev, YOFFSET_REG); + return em28xx_read_reg(dev, EM28XX_R21_YOFFSET); } -inline static int em28xx_saturation_get(struct em28xx *dev) +static inline int em28xx_saturation_get(struct em28xx *dev) { - return em28xx_read_reg(dev, UVGAIN_REG) & 0x1f; + return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f; } -inline static int em28xx_u_balance_get(struct em28xx *dev) +static inline int em28xx_u_balance_get(struct em28xx *dev) { - return em28xx_read_reg(dev, UOFFSET_REG); + return em28xx_read_reg(dev, EM28XX_R23_UOFFSET); } -inline static int em28xx_v_balance_get(struct em28xx *dev) +static inline int em28xx_v_balance_get(struct em28xx *dev) { - return em28xx_read_reg(dev, VOFFSET_REG); + return em28xx_read_reg(dev, EM28XX_R24_VOFFSET); } -inline static int em28xx_gamma_get(struct em28xx *dev) +static inline int em28xx_gamma_get(struct em28xx *dev) { - return em28xx_read_reg(dev, GAMMA_REG) & 0x3f; + return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f; } -inline static int em28xx_contrast_set(struct em28xx *dev, s32 val) +static inline int em28xx_contrast_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, YGAIN_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1); } -inline static int em28xx_brightness_set(struct em28xx *dev, s32 val) +static inline int em28xx_brightness_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, YOFFSET_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1); } -inline static int em28xx_saturation_set(struct em28xx *dev, s32 val) +static inline int em28xx_saturation_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, UVGAIN_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1); } -inline static int em28xx_u_balance_set(struct em28xx *dev, s32 val) +static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, UOFFSET_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1); } -inline static int em28xx_v_balance_set(struct em28xx *dev, s32 val) +static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, VOFFSET_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1); } -inline static int em28xx_gamma_set(struct em28xx *dev, s32 val) +static inline int em28xx_gamma_set(struct em28xx *dev, s32 val) { u8 tmp = (u8) val; - return em28xx_write_regs(dev, GAMMA_REG, &tmp, 1); + return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1); } /*FIXME: maxw should be dependent of alt mode */ -inline static unsigned int norm_maxw(struct em28xx *dev) +static inline unsigned int norm_maxw(struct em28xx *dev) { if (dev->max_range_640_480) return 640; @@ -537,7 +579,7 @@ inline static unsigned int norm_maxw(struct em28xx *dev) return 720; } -inline static unsigned int norm_maxh(struct em28xx *dev) +static inline unsigned int norm_maxh(struct em28xx *dev) { if (dev->max_range_640_480) return 480; |
