The patch includes many bugfixes and auto-detection of video standards has been implemented. More information: http://www.mbnet.fi/~turja/vino/ Mikael Nousiainen diff -urN a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c --- a/drivers/media/video/indycam.c 2005-08-16 16:31:19.000000000 +0300 +++ b/drivers/media/video/indycam.c 2005-08-16 16:32:17.000000000 +0300 @@ -27,15 +27,15 @@ #include "indycam.h" -//#define INDYCAM_DEBUG - -#define INDYCAM_MODULE_VERSION "0.0.3" +#define INDYCAM_MODULE_VERSION "0.0.4" MODULE_DESCRIPTION("SGI IndyCam driver"); MODULE_VERSION(INDYCAM_MODULE_VERSION); MODULE_AUTHOR("Mikael Nousiainen <tmnousia@xxxxxxxxx>"); MODULE_LICENSE("GPL"); +// #define INDYCAM_DEBUG + #ifdef INDYCAM_DEBUG #define dprintk(x...) printk("IndyCam: " x); #define indycam_regdump(client) indycam_regdump_debug(client) @@ -153,8 +153,12 @@ ctrl->awb = (ctrl_reg & INDYCAM_CONTROL_AWBCTL) ? INDYCAM_VALUE_ENABLED : INDYCAM_VALUE_DISABLED; + indycam_read_reg(client, INDYCAM_SHUTTER, (unsigned char *)&ctrl->shutter); + ctrl->shutter = (ctrl->shutter == 0x00) ? + 0xff : (ctrl->shutter - 1); + indycam_read_reg(client, INDYCAM_GAIN, (unsigned char *)&ctrl->gain); indycam_read_reg(client, INDYCAM_RED_BALANCE, @@ -191,8 +195,11 @@ } indycam_write_reg(client, INDYCAM_CONTROL, ctrl_reg); - if (ctrl->shutter >= 0) - indycam_write_reg(client, INDYCAM_SHUTTER, ctrl->shutter); + if (ctrl->shutter >= 0) { + unsigned char shutter_reg = (ctrl->shutter == 0xff) ? + 0x00 : (ctrl->shutter + 1); + indycam_write_reg(client, INDYCAM_SHUTTER, shutter_reg); + } if (ctrl->gain >= 0) indycam_write_reg(client, INDYCAM_GAIN, ctrl->gain); if (ctrl->red_balance >= 0) @@ -375,11 +382,11 @@ } case DECODER_INDYCAM_GET_CONTROLS: { struct indycam_control *ctrl = arg; - indycam_get_controls(client, ctrl); + return indycam_get_controls(client, ctrl); } case DECODER_INDYCAM_SET_CONTROLS: { struct indycam_control *ctrl = arg; - indycam_set_controls(client, ctrl); + return indycam_set_controls(client, ctrl); } default: return -EINVAL; diff -urN a/drivers/media/video/indycam.h b/drivers/media/video/indycam.h --- a/drivers/media/video/indycam.h 2005-08-16 16:31:19.000000000 +0300 +++ b/drivers/media/video/indycam.h 2005-08-16 16:32:17.000000000 +0300 @@ -101,7 +101,7 @@ #define INDYCAM_AGC_DEFAULT INDYCAM_VALUE_ENABLED #define INDYCAM_AWB_DEFAULT INDYCAM_VALUE_ENABLED -#define INDYCAM_SHUTTER_DEFAULT INDYCAM_SHUTTER_60 +#define INDYCAM_SHUTTER_DEFAULT 0xff #define INDYCAM_GAIN_DEFAULT 0x80 #define INDYCAM_RED_BALANCE_DEFAULT 0x18 #define INDYCAM_BLUE_BALANCE_DEFAULT 0xa4 diff -urN a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c --- a/drivers/media/video/saa7191.c 2005-08-16 16:31:19.000000000 +0300 +++ b/drivers/media/video/saa7191.c 2005-08-16 16:32:17.000000000 +0300 @@ -26,14 +26,25 @@ #include "saa7191.h" -#define SAA7191_MODULE_VERSION "0.0.3" +#define SAA7191_MODULE_VERSION "0.0.4" MODULE_DESCRIPTION("Philips SAA7191 video decoder driver"); MODULE_VERSION(SAA7191_MODULE_VERSION); MODULE_AUTHOR("Mikael Nousiainen <tmnousia@xxxxxxxxx>"); MODULE_LICENSE("GPL"); -#define VINO_ADAPTER (I2C_ALGO_SGI | I2C_HW_SGI_VINO) +// #define SAA7191_DEBUG + +#ifdef SAA7191_DEBUG +#define dprintk(x...) printk("SAA7191: " x); +#else +#define dprintk(x...) +#endif + +#define VINO_ADAPTER (I2C_ALGO_SGI | I2C_HW_SGI_VINO) + +#define SAA7191_SYNC_COUNT 30 +#define SAA7191_SYNC_DELAY 100 /* milliseconds */ struct saa7191 { struct i2c_client *client; @@ -42,20 +53,25 @@ * I2C-registers are write-only */ unsigned char reg[25]; - unsigned char norm; - unsigned char input; + int input; + int norm; }; static struct i2c_driver i2c_driver_saa7191; static const unsigned char initseq[] = { 0, /* Subaddress */ + 0x50, /* SAA7191_REG_IDEL */ + + /* 50hz signal timing */ 0x30, /* SAA7191_REG_HSYB */ 0x00, /* SAA7191_REG_HSYS */ 0xe8, /* SAA7191_REG_HCLB */ 0xb6, /* SAA7191_REG_HCLS */ 0xf4, /* SAA7191_REG_HPHI */ + + /* control */ 0x01, /* SAA7191_REG_LUMA - chrominance trap active (CVBS) */ 0x00, /* SAA7191_REG_HUEC */ 0xf8, /* SAA7191_REG_CKTQ */ @@ -70,6 +86,8 @@ 0x2c, /* SAA7191_REG_CHCV */ 0x00, /* unused */ 0x00, /* unused */ + + /* 60hz signal timing */ 0x34, /* SAA7191_REG_HS6B */ 0x0a, /* SAA7191_REG_HS6S */ 0xf4, /* SAA7191_REG_HC6B */ @@ -92,7 +110,7 @@ ret = i2c_master_recv(client, value, 1); if (ret < 0) { - printk(KERN_ERR "SAA7191: saa7191_read_status(): read failed"); + printk(KERN_ERR "SAA7191: saa7191_read_status(): read failed\n"); return ret; } @@ -123,7 +141,7 @@ ret = i2c_master_send(client, data, length); if (ret < 0) { printk(KERN_ERR "SAA7191: saa7191_write_block(): " - "write failed"); + "write failed\n"); return ret; } @@ -134,6 +152,7 @@ static int saa7191_set_input(struct i2c_client *client, int input) { + struct saa7191 *decoder = i2c_get_clientdata(client); unsigned char luma = saa7191_read_reg(client, SAA7191_REG_LUMA); unsigned char iock = saa7191_read_reg(client, SAA7191_REG_IOCK); int err; @@ -161,6 +180,8 @@ if (err) return -EIO; + decoder->input = input; + return 0; } @@ -173,20 +194,6 @@ int err; switch(norm) { - case SAA7191_NORM_AUTO: { - unsigned char status; - - // does status depend on current norm ? - if (saa7191_read_status(client, &status)) - return -EIO; - - stdc &= ~SAA7191_STDC_SECS; - ctl3 &= ~SAA7191_CTL3_FSEL; - ctl3 |= SAA7191_CTL3_AUFD; - chcv = (status & SAA7191_STATUS_FIDT) - ? SAA7191_CHCV_NTSC : SAA7191_CHCV_PAL; - break; - } case SAA7191_NORM_PAL: stdc &= ~SAA7191_STDC_SECS; ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL); @@ -219,9 +226,186 @@ decoder->norm = norm; + dprintk("ctl3: %02x stdc: %02x chcv: %02x\n", ctl3, + stdc, chcv); + dprintk("norm: %d\n", norm); + return 0; } +static int saa7191_wait_for_signal(struct i2c_client *client, + unsigned char *status) +{ + int i = 0; + + dprintk("Checking for signal...\n"); + + for (i = 0; i < SAA7191_SYNC_COUNT; i++) { + if (saa7191_read_status(client, status)) + return -EIO; + + if (((*status) & SAA7191_STATUS_HLCK) == 0) { + dprintk("Signal found\n"); + return 0; + } + + msleep(SAA7191_SYNC_DELAY); + } + + dprintk("No signal\n"); + + return -EBUSY; +} + +static int saa7191_autodetect_norm_extended(struct i2c_client *client) +{ + unsigned char stdc = saa7191_read_reg(client, SAA7191_REG_STDC); + unsigned char ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3); + unsigned char status; + int err = 0; + + dprintk("SAA7191 extended signal auto-detection...\n"); + + stdc &= ~SAA7191_STDC_SECS; + ctl3 &= ~(SAA7191_CTL3_FSEL); + + err = saa7191_write_reg(client, SAA7191_REG_STDC, stdc); + if (err) { + err = -EIO; + goto out; + } + err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + if (err) { + err = -EIO; + goto out; + } + + ctl3 |= SAA7191_CTL3_AUFD; + err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + if (err) { + err = -EIO; + goto out; + } + + msleep(SAA7191_SYNC_DELAY); + + err = saa7191_wait_for_signal(client, &status); + if (err) + goto out; + + if (status & SAA7191_STATUS_FIDT) { + /* 60hz signal -> NTSC */ + dprintk("60hz signal: NTSC\n"); + return saa7191_set_norm(client, SAA7191_NORM_NTSC); + } + + /* 50hz signal */ + dprintk("50hz signal: Trying PAL...\n"); + + /* try PAL first */ + err = saa7191_set_norm(client, SAA7191_NORM_PAL); + if (err) + goto out; + + msleep(SAA7191_SYNC_DELAY); + + err = saa7191_wait_for_signal(client, &status); + if (err) + goto out; + + /* not 50hz ? */ + if (status & SAA7191_STATUS_FIDT) { + dprintk("No 50hz signal\n"); + err = -EAGAIN; + goto out; + } + + if (status & SAA7191_STATUS_CODE) { + dprintk("PAL\n"); + return 0; + } + + dprintk("No color detected with PAL - Trying SECAM...\n"); + + /* no color detected ? -> try SECAM */ + err = saa7191_set_norm(client, + SAA7191_NORM_SECAM); + if (err) + goto out; + + msleep(SAA7191_SYNC_DELAY); + + err = saa7191_wait_for_signal(client, &status); + if (err) + goto out; + + /* not 50hz ? */ + if (status & SAA7191_STATUS_FIDT) { + dprintk("No 50hz signal\n"); + err = -EAGAIN; + goto out; + } + + if (status & SAA7191_STATUS_CODE) { + /* Color detected -> SECAM */ + dprintk("SECAM\n"); + return 0; + } + + dprintk("No color detected with SECAM - Going back to PAL.\n"); + + /* still no color detected ? + * -> set norm back to PAL */ + err = saa7191_set_norm(client, + SAA7191_NORM_PAL); + if (err) + goto out; + +out: + ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3); + if (ctl3 & SAA7191_CTL3_AUFD) { + ctl3 &= ~(SAA7191_CTL3_AUFD); + err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3); + if (err) { + err = -EIO; + } + } + + return err; +} + +static int saa7191_autodetect_norm(struct i2c_client *client) +{ + unsigned char status; + + dprintk("SAA7191 signal auto-detection...\n"); + + dprintk("Reading status...\n"); + + if (saa7191_read_status(client, &status)) + return -EIO; + + dprintk("Checking for signal...\n"); + + /* no signal ? */ + if (status & SAA7191_STATUS_HLCK) { + dprintk("No signal\n"); + return -EBUSY; + } + + dprintk("Signal found\n"); + + if (status & SAA7191_STATUS_FIDT) { + /* 60hz signal -> NTSC */ + dprintk("NTSC\n"); + return saa7191_set_norm(client, SAA7191_NORM_NTSC); + } else { + /* 50hz signal -> PAL */ + dprintk("PAL\n"); + return saa7191_set_norm(client, SAA7191_NORM_PAL); + } +} + static int saa7191_get_controls(struct i2c_client *client, struct saa7191_control *ctrl) { @@ -311,9 +495,6 @@ if (err) goto out_free_decoder; - decoder->input = SAA7191_INPUT_COMPOSITE; - decoder->norm = SAA7191_NORM_AUTO; - err = saa7191_write_block(client, sizeof(initseq), (unsigned char *)initseq); if (err) { @@ -323,6 +504,20 @@ printk(KERN_INFO "SAA7191 initialized\n"); + decoder->input = SAA7191_INPUT_COMPOSITE; + decoder->norm = SAA7191_NORM_AUTO; + + err = saa7191_autodetect_norm(client); + if (err == -EBUSY) { + printk(KERN_INFO "SAA7191: No signal\n"); + } else if (err) { + printk(KERN_ERR "SAA7191: Signal detection failed\n"); + } else { + printk(KERN_INFO "SAA7191: %s signal detected\n", + (decoder->norm == SAA7191_NORM_PAL) ? + "PAL" : "NTSC"); + } + return 0; out_detach_client: @@ -406,7 +601,7 @@ switch (*iarg) { case VIDEO_MODE_AUTO: - return saa7191_set_norm(client, SAA7191_NORM_AUTO); + return saa7191_autodetect_norm(client); case VIDEO_MODE_PAL: return saa7191_set_norm(client, SAA7191_NORM_PAL); case VIDEO_MODE_NTSC: @@ -448,9 +643,11 @@ int err; val = (pic->hue >> 8) - 0x80; + err = saa7191_write_reg(client, SAA7191_REG_HUEC, val); if (err) return -EIO; + break; } case DECODER_SAA7191_GET_STATUS: { @@ -459,19 +656,30 @@ if (saa7191_read_status(client, &status_reg)) return -EIO; + status->signal = ((status_reg & SAA7191_STATUS_HLCK) == 0) ? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED; - status->ntsc = (status_reg & SAA7191_STATUS_FIDT) + status->signal_60hz = (status_reg & SAA7191_STATUS_FIDT) ? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED; status->color = (status_reg & SAA7191_STATUS_CODE) ? SAA7191_VALUE_ENABLED : SAA7191_VALUE_DISABLED; status->input = decoder->input; status->norm = decoder->norm; + + break; } case DECODER_SAA7191_SET_NORM: { int *norm = arg; - return saa7191_set_norm(client, *norm); + + switch (*norm) { + case SAA7191_NORM_AUTO: + return saa7191_autodetect_norm(client); + case SAA7191_NORM_AUTO_EXT: + return saa7191_autodetect_norm_extended(client); + default: + return saa7191_set_norm(client, *norm); + } } case DECODER_SAA7191_GET_CONTROLS: { struct saa7191_control *ctrl = arg; diff -urN a/drivers/media/video/saa7191.h b/drivers/media/video/saa7191.h --- a/drivers/media/video/saa7191.h 2005-08-16 16:31:19.000000000 +0300 +++ b/drivers/media/video/saa7191.h 2005-08-16 16:32:17.000000000 +0300 @@ -99,16 +99,17 @@ #define SAA7191_NORM_PAL 1 #define SAA7191_NORM_NTSC 2 #define SAA7191_NORM_SECAM 3 +#define SAA7191_NORM_AUTO_EXT 4 /* extended auto-detection */ #define SAA7191_VALUE_ENABLED 1 #define SAA7191_VALUE_DISABLED 0 #define SAA7191_VALUE_UNCHANGED -1 struct saa7191_status { - /* 0=no signal, 1=signal active*/ + /* 0=no signal, 1=signal detected */ int signal; /* 0=50hz (pal) signal, 1=60hz (ntsc) signal */ - int ntsc; + int signal_60hz; /* 0=no color detected, 1=color detected */ int color; diff -urN a/drivers/media/video/vino.c b/drivers/media/video/vino.c --- a/drivers/media/video/vino.c 2005-08-16 16:31:20.000000000 +0300 +++ b/drivers/media/video/vino.c 2005-08-16 16:32:17.000000000 +0300 @@ -12,15 +12,11 @@ /* * TODO: - * - remove "hacks" from memory allocation code and implement nopage() + * - remove "mark pages reserved-hacks" from memory allocation code + * and implement nopage() * - check decimation, calculating and reporting image size when * using decimation - * - check vino_acquire_input(), vino_set_input() and channel - * ownership handling - * - report VINO error-interrupts via ioctls ? - * - implement picture controls (all implemented?) - * - use macros for boolean values (?) - * - implement user mode buffers and overlay (?) + * - implement read(), user mode buffers and overlay (?) */ #include <linux/init.h> @@ -59,9 +55,10 @@ * debug info. * Note that the debug output also slows down the driver significantly */ // #define VINO_DEBUG +// #define VINO_DEBUG_INT -#define VINO_MODULE_VERSION "0.0.3" -#define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 3) +#define VINO_MODULE_VERSION "0.0.4" +#define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 4) MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); MODULE_VERSION(VINO_MODULE_VERSION); @@ -90,15 +87,16 @@ #define VINO_MIN_HEIGHT 32 #define VINO_CLIPPING_START_ODD_D1 1 -#define VINO_CLIPPING_START_ODD_PAL 1 -#define VINO_CLIPPING_START_ODD_NTSC 1 +#define VINO_CLIPPING_START_ODD_PAL 15 +#define VINO_CLIPPING_START_ODD_NTSC 12 -#define VINO_CLIPPING_START_EVEN_D1 2 -#define VINO_CLIPPING_START_EVEN_PAL 2 -#define VINO_CLIPPING_START_EVEN_NTSC 2 +#define VINO_CLIPPING_START_EVEN_D1 1 +#define VINO_CLIPPING_START_EVEN_PAL 15 +#define VINO_CLIPPING_START_EVEN_NTSC 12 #define VINO_INPUT_CHANNEL_COUNT 3 +/* the number is the index for vino_inputs */ #define VINO_INPUT_NONE -1 #define VINO_INPUT_COMPOSITE 0 #define VINO_INPUT_SVIDEO 1 @@ -106,15 +104,13 @@ #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) -#define VINO_FIFO_THRESHOLD_DEFAULT 512 +#define VINO_FIFO_THRESHOLD_DEFAULT 16 -/*#define VINO_FRAMEBUFFER_SIZE (VINO_PAL_WIDTH * VINO_PAL_HEIGHT * 4 \ - + 2 * PAGE_SIZE)*/ #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ * VINO_PAL_HEIGHT * 4 \ + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) -#define VINO_FRAMEBUFFER_MAX_COUNT 8 +#define VINO_FRAMEBUFFER_COUNT_MAX 8 #define VINO_FRAMEBUFFER_UNUSED 0 #define VINO_FRAMEBUFFER_IN_USE 1 @@ -130,24 +126,27 @@ #define VINO_DUMMY_DESC_COUNT 4 #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ +#define VINO_MAX_FRAME_SKIP_COUNT 128 + /* the number is the index for vino_data_formats */ #define VINO_DATA_FMT_NONE -1 #define VINO_DATA_FMT_GREY 0 #define VINO_DATA_FMT_RGB332 1 #define VINO_DATA_FMT_RGB32 2 #define VINO_DATA_FMT_YUV 3 -//#define VINO_DATA_FMT_RGB24 4 #define VINO_DATA_FMT_COUNT 4 +/* the number is the index for vino_data_norms */ #define VINO_DATA_NORM_NONE -1 #define VINO_DATA_NORM_NTSC 0 #define VINO_DATA_NORM_PAL 1 #define VINO_DATA_NORM_SECAM 2 #define VINO_DATA_NORM_D1 3 -/* The following is a special entry that can be used to +/* The following are special entries that can be used to * autodetect the norm. */ -#define VINO_DATA_NORM_AUTO 0xff +#define VINO_DATA_NORM_AUTO 0xfe +#define VINO_DATA_NORM_AUTO_EXT 0xff #define VINO_DATA_NORM_COUNT 4 @@ -231,7 +230,7 @@ unsigned int head; unsigned int tail; - unsigned int data[VINO_FRAMEBUFFER_MAX_COUNT]; + unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; }; struct vino_framebuffer_queue { @@ -245,13 +244,20 @@ struct vino_framebuffer_fifo in; struct vino_framebuffer_fifo out; - struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_MAX_COUNT]; + struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; spinlock_t queue_lock; struct semaphore queue_sem; wait_queue_head_t frame_wait_queue; }; +struct vino_interrupt_data { + struct timeval timestamp; + unsigned int frame_counter; + unsigned int skip_count; + unsigned int skip; +}; + struct vino_channel_settings { unsigned int channel; @@ -284,6 +290,8 @@ unsigned int users; + struct vino_interrupt_data int_data; + /* V4L support */ struct video_device *v4l_device; }; @@ -314,7 +322,7 @@ /* Module parameters */ /* - * Using vino_pixel_conversion the ARGB32-format pixels supplied + * Using vino_pixel_conversion the ABGR32-format pixels supplied * by the VINO chip can be converted to more common formats * like RGBA32 (or probably RGB24 in the future). This way we * can give out data that can be specified correctly with @@ -328,7 +336,9 @@ * Use non-zero value to enable conversion. */ static int vino_pixel_conversion = 0; + module_param_named(pixelconv, vino_pixel_conversion, int, 0); + MODULE_PARM_DESC(pixelconv, "enable pixel conversion (non-zero value enables)"); @@ -344,15 +354,22 @@ static const char *vino_v4l_device_name_a = "SGI VINO Channel A"; static const char *vino_v4l_device_name_b = "SGI VINO Channel B"; +static void vino_capture_tasklet(unsigned long channel); + +DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); +DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); + static const struct vino_input vino_inputs[] = { { .name = "Composite", - .std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, + .std = V4L2_STD_NTSC | V4L2_STD_PAL + | V4L2_STD_SECAM, },{ .name = "S-Video", - .std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, + .std = V4L2_STD_NTSC | V4L2_STD_PAL + | V4L2_STD_SECAM, },{ - .name = "D1 (IndyCam)", + .name = "D1/IndyCam", .std = V4L2_STD_NTSC, } }; @@ -375,15 +392,10 @@ .colorspace = V4L2_COLORSPACE_SRGB, },{ .description = "YUV 4:2:2", - .bpp = 4, + .bpp = 2, .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? .colorspace = V4L2_COLORSPACE_SMPTE170M, - }/*,{ - .description = "24-bit RGB", - .bpp = 3, - .pixelformat = V4L2_PIX_FMT_RGB24, - .colorspace = V4L2_COLORSPACE_SRGB, - }*/ + } }; static const struct vino_data_norm vino_data_norms[] = { @@ -454,7 +466,7 @@ .right = VINO_PAL_WIDTH, }, },{ - .description = "NTSC (D1 input)", + .description = "NTSC/D1", .std = V4L2_STD_NTSC, .fps_min = 6, .fps_max = 30, @@ -638,9 +650,10 @@ */ static int i2c_vino_client_reg(struct i2c_client *client) { + unsigned long flags; int ret = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); switch (client->driver->id) { case I2C_DRIVERID_SAA7191: if (vino_drvdata->decoder.driver) @@ -657,16 +670,17 @@ default: ret = -ENODEV; } - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return ret; } static int i2c_vino_client_unreg(struct i2c_client *client) { + unsigned long flags; int ret = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); if (client == vino_drvdata->decoder.driver) { if (vino_drvdata->decoder.owner != VINO_NO_CHANNEL) ret = -EBUSY; @@ -678,7 +692,7 @@ else vino_drvdata->camera.driver = NULL; } - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return ret; } @@ -932,7 +946,7 @@ /* Framebuffer fifo functions (need to be locked externally) */ -static void vino_fifo_init(struct vino_framebuffer_fifo *f, +static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, unsigned int length) { f->length = 0; @@ -940,16 +954,18 @@ f->head = 0; f->tail = 0; - if (length > VINO_FRAMEBUFFER_MAX_COUNT) - length = VINO_FRAMEBUFFER_MAX_COUNT; + if (length > VINO_FRAMEBUFFER_COUNT_MAX) + length = VINO_FRAMEBUFFER_COUNT_MAX; f->length = length; } /* returns true/false */ -static int vino_fifo_has_id(struct vino_framebuffer_fifo *f, unsigned int id) +static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, + unsigned int id) { unsigned int i; + for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { if (f->data[i] == id) return 1; @@ -958,13 +974,15 @@ return 0; } +#if 0 /* returns true/false */ -static int vino_fifo_full(struct vino_framebuffer_fifo *f) +static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) { return (f->used == f->length); } +#endif -static unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) +static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) { return f->used; } @@ -1075,8 +1093,8 @@ down(&q->queue_sem); - if (*length > VINO_FRAMEBUFFER_MAX_COUNT) - *length = VINO_FRAMEBUFFER_MAX_COUNT; + if (*length > VINO_FRAMEBUFFER_COUNT_MAX) + *length = VINO_FRAMEBUFFER_COUNT_MAX; q->length = 0; @@ -1312,6 +1330,7 @@ return ret; } +#if 0 static int vino_queue_get_total(struct vino_framebuffer_queue *q, unsigned int *total) { @@ -1337,6 +1356,7 @@ return ret; } +#endif static struct vino_framebuffer *vino_queue_peek(struct vino_framebuffer_queue *q, @@ -1470,12 +1490,14 @@ dprintk("update_line_size(): before: w = %d, d = %d, " "line_size = %d\n", w, d, vcs->line_size); + /* line size must be multiple of 8 bytes */ lsize = (bpp * (w / d)) & ~7; w = (lsize / bpp) * d; vcs->clipping.right = vcs->clipping.left + w; vcs->line_size = lsize; + dprintk("update_line_size(): after: w = %d, d = %d, " "line_size = %d\n", w, d, vcs->line_size); } @@ -1531,7 +1553,7 @@ } /* execute with input_lock locked */ -static void vino_set_default_clipping(struct vino_channel_settings *vcs) +static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) { vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, vino_data_norms[vcs->data_norm].height); @@ -1555,8 +1577,7 @@ if (d < 1) { d = 1; - } - if (d > 8) { + } else if (d > 8) { d = 8; } @@ -1569,7 +1590,7 @@ } /* execute with input_lock locked */ -static void vino_reset_scaling(struct vino_channel_settings *vcs) +static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) { vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, vcs->clipping.bottom - vcs->clipping.top); @@ -1648,7 +1669,8 @@ } /* execute with input_lock locked */ -static void vino_set_default_framerate(struct vino_channel_settings *vcs) +static inline void vino_set_default_framerate(struct + vino_channel_settings *vcs) { vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); } @@ -1686,6 +1708,9 @@ * should be more than enough time */ udelay(VINO_DESC_FETCH_DELAY); + dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", + ch->start_desc_tbl, ch->next_4_desc); + /* set the alpha register */ ch->alpha = vcs->alpha; @@ -1699,9 +1724,6 @@ VINO_CLIP_EVEN(norm->even.top + vcs->clipping.bottom / 2 - 1) | VINO_CLIP_X(vcs->clipping.right); - /* FIXME: end-of-field bug workaround - VINO_CLIP_X(VINO_PAL_WIDTH); - */ /* set the size of actual content in the buffer (DECIMATION !) */ fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / @@ -1801,7 +1823,7 @@ } /* (execute only with vino_lock locked) */ -static void vino_dma_start(struct vino_channel_settings *vcs) +static inline void vino_dma_start(struct vino_channel_settings *vcs) { u32 ctrl = vino->control; @@ -1812,12 +1834,14 @@ } /* (execute only with vino_lock locked) */ -static void vino_dma_stop(struct vino_channel_settings *vcs) +static inline void vino_dma_stop(struct vino_channel_settings *vcs) { u32 ctrl = vino->control; ctrl &= (vcs->channel == VINO_CHANNEL_A) ? ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; + ctrl &= (vcs->channel == VINO_CHANNEL_A) ? + ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; vino->control = ctrl; dprintk("vino_dma_stop():\n"); } @@ -1901,7 +1925,7 @@ struct vino_framebuffer *fb; unsigned int incoming, id; int err = 0; - unsigned long flags, flags2; + unsigned long flags; dprintk("vino_capture_next():\n"); @@ -1942,10 +1966,6 @@ goto out; } - spin_lock_irqsave(&fb->state_lock, flags2); - fb->state = VINO_FRAMEBUFFER_UNUSED; - spin_unlock_irqrestore(&fb->state_lock, flags2); - if (start) { vcs->capturing = 1; } @@ -1963,7 +1983,7 @@ return err; } -static int vino_is_capturing(struct vino_channel_settings *vcs) +static inline int vino_is_capturing(struct vino_channel_settings *vcs) { int ret; unsigned long flags; @@ -2120,6 +2140,7 @@ spin_unlock_irqrestore(&vcs->capture_lock, flags); } +#if 0 static int vino_capture_failed(struct vino_channel_settings *vcs) { struct vino_framebuffer *fb; @@ -2164,9 +2185,31 @@ return 0; } +#endif + +static void vino_skip_frame(struct vino_channel_settings *vcs) +{ + struct vino_framebuffer *fb; + unsigned long flags; + unsigned int id; + + spin_lock_irqsave(&vcs->capture_lock, flags); + fb = vino_queue_peek(&vcs->fb_queue, &id); + if (!fb) { + spin_unlock_irqrestore(&vcs->capture_lock, flags); + dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); + return; + } + spin_unlock_irqrestore(&vcs->capture_lock, flags); + + spin_lock_irqsave(&fb->state_lock, flags); + fb->state = VINO_FRAMEBUFFER_UNUSED; + spin_unlock_irqrestore(&fb->state_lock, flags); + + vino_capture_next(vcs, 0); +} -static void vino_frame_done(struct vino_channel_settings *vcs, - unsigned int fc) +static void vino_frame_done(struct vino_channel_settings *vcs) { struct vino_framebuffer *fb; unsigned long flags; @@ -2180,8 +2223,9 @@ } spin_unlock_irqrestore(&vcs->capture_lock, flags); - fb->frame_counter = fc; - do_gettimeofday(&fb->timestamp); + fb->frame_counter = vcs->int_data.frame_counter; + memcpy(&fb->timestamp, &vcs->int_data.timestamp, + sizeof(struct timeval)); spin_lock_irqsave(&fb->state_lock, flags); if (fb->state == VINO_FRAMEBUFFER_IN_USE) @@ -2193,72 +2237,175 @@ vino_capture_next(vcs, 0); } +static void vino_capture_tasklet(unsigned long channel) { + struct vino_channel_settings *vcs; + + vcs = (channel == VINO_CHANNEL_A) + ? &vino_drvdata->a : &vino_drvdata->b; + + if (vcs->int_data.skip) + vcs->int_data.skip_count++; + + if (vcs->int_data.skip && (vcs->int_data.skip_count + <= VINO_MAX_FRAME_SKIP_COUNT)) { + vino_skip_frame(vcs); + } else { + vcs->int_data.skip_count = 0; + vino_frame_done(vcs); + } +} + static irqreturn_t vino_interrupt(int irq, void *dev_id, struct pt_regs *regs) { - u32 intr; + u32 ctrl, intr; unsigned int fc_a, fc_b; - int done_a = 0; - int done_b = 0; + int handled_a = 0, skip_a = 0, done_a = 0; + int handled_b = 0, skip_b = 0, done_b = 0; - spin_lock(&vino_drvdata->vino_lock); - - intr = vino->intr_status; - fc_a = vino->a.field_counter / 2; - fc_b = vino->b.field_counter / 2; +#ifdef VINO_DEBUG_INT + int loop = 0; + unsigned int line_count = vino->a.line_count, + page_index = vino->a.page_index, + field_counter = vino->a.field_counter, + start_desc_tbl = vino->a.start_desc_tbl, + next_4_desc = vino->a.next_4_desc; + unsigned int line_count_2, + page_index_2, + field_counter_2, + start_desc_tbl_2, + next_4_desc_2; +#endif - // TODO: handle error-interrupts in some special way ? + spin_lock(&vino_drvdata->vino_lock); - if (intr & VINO_INTSTAT_A) { - if (intr & VINO_INTSTAT_A_EOF) { - vino_drvdata->a.field++; - if (vino_drvdata->a.field > 1) { + while ((intr = vino->intr_status)) { + fc_a = vino->a.field_counter >> 1; + fc_b = vino->b.field_counter >> 1; + + /* handle error-interrupts in some special way ? + * --> skips frames */ + if (intr & VINO_INTSTAT_A) { + if (intr & VINO_INTSTAT_A_EOF) { + vino_drvdata->a.field++; + if (vino_drvdata->a.field > 1) { + vino_dma_stop(&vino_drvdata->a); + vino_clear_interrupt(&vino_drvdata->a); + vino_drvdata->a.field = 0; + done_a = 1; + } else { + if (vino->a.page_index + != vino_drvdata->a.line_size) { + vino->a.line_count = 0; + vino->a.page_index = + vino_drvdata-> + a.line_size; + vino->a.next_4_desc = + vino->a.start_desc_tbl; + } + } + dprintk("channel A end-of-field " + "interrupt: %04x\n", intr); + } else { vino_dma_stop(&vino_drvdata->a); vino_clear_interrupt(&vino_drvdata->a); vino_drvdata->a.field = 0; - done_a = 1; + skip_a = 1; + dprintk("channel A error interrupt: %04x\n", + intr); } - dprintk("intr: channel A end-of-field interrupt: " - "%04x\n", intr); - } else { - vino_dma_stop(&vino_drvdata->a); - vino_clear_interrupt(&vino_drvdata->a); - done_a = 1; - dprintk("channel A error interrupt: %04x\n", intr); + +#ifdef VINO_DEBUG_INT + line_count_2 = vino->a.line_count; + page_index_2 = vino->a.page_index; + field_counter_2 = vino->a.field_counter; + start_desc_tbl_2 = vino->a.start_desc_tbl; + next_4_desc_2 = vino->a.next_4_desc; + + printk("intr = %04x, loop = %d, field = %d\n", + intr, loop, vino_drvdata->a.field); + printk("1- line count = %04d, page index = %04d, " + "start = %08x, next = %08x\n" + " fieldc = %d, framec = %d\n", + line_count, page_index, start_desc_tbl, + next_4_desc, field_counter, fc_a); + printk("12-line count = %04d, page index = %04d, " + " start = %08x, next = %08x\n", + line_count_2, page_index_2, start_desc_tbl_2, + next_4_desc_2); + + if (done_a) + printk("\n"); +#endif } - } - if (intr & VINO_INTSTAT_B) { - if (intr & VINO_INTSTAT_B_EOF) { - vino_drvdata->b.field++; - if (vino_drvdata->b.field > 1) { + + if (intr & VINO_INTSTAT_B) { + if (intr & VINO_INTSTAT_B_EOF) { + vino_drvdata->b.field++; + if (vino_drvdata->b.field > 1) { + vino_dma_stop(&vino_drvdata->b); + vino_clear_interrupt(&vino_drvdata->b); + vino_drvdata->b.field = 0; + done_b = 1; + } + dprintk("channel B end-of-field " + "interrupt: %04x\n", intr); + } else { vino_dma_stop(&vino_drvdata->b); vino_clear_interrupt(&vino_drvdata->b); vino_drvdata->b.field = 0; - done_b = 1; + skip_b = 1; + dprintk("channel B error interrupt: %04x\n", + intr); } - dprintk("intr: channel B end-of-field interrupt: " - "%04x\n", intr); - } else { - vino_dma_stop(&vino_drvdata->b); - vino_clear_interrupt(&vino_drvdata->b); - done_b = 1; - dprintk("channel B error interrupt: %04x\n", intr); } - } - /* always remember to clear interrupt status */ - vino->intr_status = ~intr; + /* Always remember to clear interrupt status. + * Disable VINO interrupts while we do this. */ + ctrl = vino->control; + vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); + vino->intr_status = ~intr; + vino->control = ctrl; + + spin_unlock(&vino_drvdata->vino_lock); + + if ((!handled_a) && (done_a || skip_a)) { + if (!skip_a) { + do_gettimeofday(&vino_drvdata-> + a.int_data.timestamp); + vino_drvdata->a.int_data.frame_counter = fc_a; + } + vino_drvdata->a.int_data.skip = skip_a; - spin_unlock(&vino_drvdata->vino_lock); + dprintk("channel A %s, interrupt: %d\n", + skip_a ? "skipping frame" : "frame done", + intr); + tasklet_hi_schedule(&vino_tasklet_a); + handled_a = 1; + } + + if ((!handled_b) && (done_b || skip_b)) { + if (!skip_b) { + do_gettimeofday(&vino_drvdata-> + b.int_data.timestamp); + vino_drvdata->b.int_data.frame_counter = fc_b; + } + vino_drvdata->b.int_data.skip = skip_b; + + dprintk("channel B %s, interrupt: %d\n", + skip_b ? "skipping frame" : "frame done", + intr); + tasklet_hi_schedule(&vino_tasklet_b); + handled_b = 1; + } - if (done_a) { - vino_frame_done(&vino_drvdata->a, fc_a); - dprintk("channel A frame done, interrupt: %d\n", intr); - } - if (done_b) { - vino_frame_done(&vino_drvdata->b, fc_b); - dprintk("channel B frame done, interrupt: %d\n", intr); +#ifdef VINO_DEBUG_INT + loop++; +#endif + spin_lock(&vino_drvdata->vino_lock); } + spin_unlock(&vino_drvdata->vino_lock); + return IRQ_HANDLED; } @@ -2278,11 +2425,13 @@ } } -static int vino_get_saa7191_norm(int norm) +static int vino_get_saa7191_norm(unsigned int data_norm) { - switch (norm) { + switch (data_norm) { case VINO_DATA_NORM_AUTO: return SAA7191_NORM_AUTO; + case VINO_DATA_NORM_AUTO_EXT: + return SAA7191_NORM_AUTO_EXT; case VINO_DATA_NORM_PAL: return SAA7191_NORM_PAL; case VINO_DATA_NORM_NTSC: @@ -2296,6 +2445,57 @@ } } +static int vino_get_from_saa7191_norm(int saa7191_norm) +{ + switch (saa7191_norm) { + case SAA7191_NORM_PAL: + return VINO_DATA_NORM_PAL; + case SAA7191_NORM_NTSC: + return VINO_DATA_NORM_NTSC; + case SAA7191_NORM_SECAM: + return VINO_DATA_NORM_SECAM; + default: + printk(KERN_ERR "VINO: vino_get_from_saa7191_norm(): " + "invalid norm!\n"); + return VINO_DATA_NORM_NONE; + } +} + +static int vino_saa7191_set_norm(unsigned int *data_norm) +{ + int saa7191_norm, new_data_norm; + int err = 0; + + saa7191_norm = vino_get_saa7191_norm(*data_norm); + + err = i2c_decoder_command(DECODER_SAA7191_SET_NORM, + &saa7191_norm); + if (err) + goto out; + + if ((*data_norm == VINO_DATA_NORM_AUTO) + || (*data_norm == VINO_DATA_NORM_AUTO_EXT)) { + struct saa7191_status status; + + err = i2c_decoder_command(DECODER_SAA7191_GET_STATUS, + &status); + if (err) + goto out; + + new_data_norm = + vino_get_from_saa7191_norm(status.norm); + if (new_data_norm == VINO_DATA_NORM_NONE) { + err = -EINVAL; + goto out; + } + + *data_norm = (unsigned int)new_data_norm; + } + +out: + return err; +} + /* execute with input_lock locked */ static int vino_is_input_owner(struct vino_channel_settings *vcs) { @@ -2312,11 +2512,12 @@ static int vino_acquire_input(struct vino_channel_settings *vcs) { + unsigned long flags; int ret = 0; dprintk("vino_acquire_input():\n"); - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); /* First try D1 and then SAA7191 */ if (vino_drvdata->camera.driver @@ -2331,23 +2532,48 @@ vcs->data_norm = VINO_DATA_NORM_D1; } else if (vino_drvdata->decoder.driver && (vino_drvdata->decoder.owner == VINO_NO_CHANNEL)) { + int input, data_norm; int saa7191_input; - int saa7191_norm; if (i2c_use_client(vino_drvdata->decoder.driver)) { ret = -ENODEV; goto out; } - vino_drvdata->decoder.owner = vcs->channel; - vcs->input = VINO_INPUT_COMPOSITE; - vcs->data_norm = VINO_DATA_NORM_PAL; + input = VINO_INPUT_COMPOSITE; - saa7191_input = vino_get_saa7191_input(vcs->input); - i2c_decoder_command(DECODER_SET_INPUT, &saa7191_input); - - saa7191_norm = vino_get_saa7191_norm(vcs->data_norm); - i2c_decoder_command(DECODER_SAA7191_SET_NORM, &saa7191_norm); + saa7191_input = vino_get_saa7191_input(input); + ret = i2c_decoder_command(DECODER_SET_INPUT, + &saa7191_input); + if (ret) { + ret = -EINVAL; + goto out; + } + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); + + /* Don't hold spinlocks while auto-detecting norm + * as it may take a while... */ + + data_norm = VINO_DATA_NORM_AUTO_EXT; + + ret = vino_saa7191_set_norm(&data_norm); + if ((ret == -EBUSY) || (ret == -EAGAIN)) { + data_norm = VINO_DATA_NORM_PAL; + ret = vino_saa7191_set_norm(&data_norm); + } + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + + if (ret) { + ret = -EINVAL; + goto out; + } + + vino_drvdata->decoder.owner = vcs->channel; + + vcs->input = input; + vcs->data_norm = data_norm; } else { vcs->input = (vcs->channel == VINO_CHANNEL_A) ? vino_drvdata->b.input : vino_drvdata->a.input; @@ -2362,13 +2588,14 @@ if (vino_is_input_owner(vcs)) { vino_set_default_clipping(vcs); + vino_set_default_scaling(vcs); vino_set_default_framerate(vcs); } dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); out: - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return ret; } @@ -2377,16 +2604,17 @@ { struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? &vino_drvdata->b : &vino_drvdata->a; + unsigned long flags; int ret = 0; dprintk("vino_set_input():\n"); - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); if (vcs->input == input) goto out; - switch(input) { + switch (input) { case VINO_INPUT_COMPOSITE: case VINO_INPUT_SVIDEO: if (!vino_drvdata->decoder.driver) { @@ -2403,17 +2631,41 @@ } if (vino_drvdata->decoder.owner == vcs->channel) { + int data_norm; int saa7191_input; - int saa7191_norm; - vcs->input = input; - vcs->data_norm = VINO_DATA_NORM_PAL; + saa7191_input = vino_get_saa7191_input(input); + ret = i2c_decoder_command(DECODER_SET_INPUT, + &saa7191_input); + if (ret) { + vino_drvdata->decoder.owner = VINO_NO_CHANNEL; + ret = -EINVAL; + goto out; + } + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); + + /* Don't hold spinlocks while auto-detecting norm + * as it may take a while... */ + + data_norm = VINO_DATA_NORM_AUTO_EXT; + + ret = vino_saa7191_set_norm(&data_norm); + if ((ret == -EBUSY) || (ret == -EAGAIN)) { + data_norm = VINO_DATA_NORM_PAL; + ret = vino_saa7191_set_norm(&data_norm); + } + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + + if (ret) { + vino_drvdata->decoder.owner = VINO_NO_CHANNEL; + ret = -EINVAL; + goto out; + } - saa7191_input = vino_get_saa7191_input(vcs->input); - i2c_decoder_command(DECODER_SET_INPUT, &saa7191_input); - saa7191_norm = vino_get_saa7191_norm(vcs->data_norm); - i2c_decoder_command(DECODER_SAA7191_SET_NORM, - &saa7191_norm); + vcs->input = input; + vcs->data_norm = data_norm; } else { if (vcs2->input != input) { ret = -EBUSY; @@ -2469,13 +2721,16 @@ goto out; } - vino_set_default_clipping(vcs); - vino_set_default_framerate(vcs); + if (vino_is_input_owner(vcs)) { + vino_set_default_clipping(vcs); + vino_set_default_scaling(vcs); + vino_set_default_framerate(vcs); + } dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); out: - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return ret; } @@ -2484,10 +2739,11 @@ { struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? &vino_drvdata->b : &vino_drvdata->a; + unsigned long flags; dprintk("vino_release_input():\n"); - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); /* Release ownership of the channel * and if the other channel takes input from @@ -2510,34 +2766,61 @@ } vcs->input = VINO_INPUT_NONE; - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); } /* execute with input_lock locked */ static int vino_set_data_norm(struct vino_channel_settings *vcs, - unsigned int data_norm) + unsigned int data_norm, + unsigned long *flags) { - int saa7191_norm; + int err = 0; + + if (data_norm == vcs->data_norm) + return 0; switch (vcs->input) { case VINO_INPUT_D1: /* only one "norm" supported */ - if (data_norm != VINO_DATA_NORM_D1) + if ((data_norm != VINO_DATA_NORM_D1) + && (data_norm != VINO_DATA_NORM_AUTO) + && (data_norm != VINO_DATA_NORM_AUTO_EXT)) return -EINVAL; break; case VINO_INPUT_COMPOSITE: - case VINO_INPUT_SVIDEO: + case VINO_INPUT_SVIDEO: { + if ((data_norm != VINO_DATA_NORM_PAL) + && (data_norm != VINO_DATA_NORM_NTSC) + && (data_norm != VINO_DATA_NORM_SECAM) + && (data_norm != VINO_DATA_NORM_AUTO) + && (data_norm != VINO_DATA_NORM_AUTO_EXT)) + return -EINVAL; + + spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); + + /* Don't hold spinlocks while setting norm + * as it may take a while... */ - saa7191_norm = vino_get_saa7191_norm(data_norm); + err = vino_saa7191_set_norm(&data_norm); + + spin_lock_irqsave(&vino_drvdata->input_lock, *flags); + + if (err) + goto out; - i2c_decoder_command(DECODER_SAA7191_SET_NORM, &saa7191_norm); vcs->data_norm = data_norm; + + vino_set_default_clipping(vcs); + vino_set_default_scaling(vcs); + vino_set_default_framerate(vcs); break; + } default: return -EINVAL; } - return 0; +out: + return err; } /* V4L2 helper functions */ @@ -2557,8 +2840,9 @@ static int vino_enum_data_norm(struct vino_channel_settings *vcs, __u32 index) { int data_norm = VINO_DATA_NORM_NONE; + unsigned long flags; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); switch(vcs->input) { case VINO_INPUT_COMPOSITE: case VINO_INPUT_SVIDEO: @@ -2576,7 +2860,7 @@ } break; } - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return data_norm; } @@ -2584,8 +2868,9 @@ static int vino_enum_input(struct vino_channel_settings *vcs, __u32 index) { int input = VINO_INPUT_NONE; + unsigned long flags; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); if (vino_drvdata->decoder.driver && vino_drvdata->camera.driver) { switch (index) { case 0: @@ -2614,7 +2899,7 @@ break; } } - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return input; } @@ -2707,11 +2992,12 @@ { __u32 index; int input; + unsigned long flags; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); input = vcs->input; index = vino_find_input_index(vcs); - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); dprintk("input = %d\n", input); @@ -2746,7 +3032,9 @@ struct v4l2_standard *s) { int index = s->index; - int data_norm = vino_enum_data_norm(vcs, index); + int data_norm; + + data_norm = vino_enum_data_norm(vcs, index); dprintk("standard index = %d\n", index); if (data_norm == VINO_DATA_NORM_NONE) @@ -2770,13 +3058,55 @@ return 0; } +static int vino_v4l2_querystd(struct vino_channel_settings *vcs, + v4l2_std_id *std) +{ + unsigned long flags; + int err = 0; + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + + switch (vcs->input) { + case VINO_INPUT_D1: + *std = vino_inputs[vcs->input].std; + break; + case VINO_INPUT_COMPOSITE: + case VINO_INPUT_SVIDEO: { + struct saa7191_status status; + + i2c_decoder_command(DECODER_SAA7191_GET_STATUS, &status); + + if (status.signal) { + if (status.signal_60hz) { + *std = V4L2_STD_NTSC; + } else { + *std = V4L2_STD_PAL | V4L2_STD_SECAM; + } + } else { + *std = vino_inputs[vcs->input].std; + } + break; + } + default: + err = -EINVAL; + } + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); + + return err; +} + static int vino_v4l2_g_std(struct vino_channel_settings *vcs, v4l2_std_id *std) { - spin_lock(&vino_drvdata->input_lock); - dprintk("current standard = %d\n", vcs->data_norm); + unsigned long flags; + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + *std = vino_data_norms[vcs->data_norm].std; - spin_unlock(&vino_drvdata->input_lock); + dprintk("current standard = %d\n", vcs->data_norm); + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return 0; } @@ -2784,13 +3114,18 @@ static int vino_v4l2_s_std(struct vino_channel_settings *vcs, v4l2_std_id *std) { + unsigned long flags; int ret = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + + if (!vino_is_input_owner(vcs)) { + ret = -EBUSY; + goto out; + } /* check if the standard is valid for the current input */ - if (vino_is_input_owner(vcs) - && (vino_inputs[vcs->input].std & (*std))) { + if ((*std) & vino_inputs[vcs->input].std) { dprintk("standard accepted\n"); /* change the video norm for SAA7191 @@ -2799,24 +3134,33 @@ if (vcs->input == VINO_INPUT_D1) goto out; - if ((*std) & V4L2_STD_PAL) { - vino_set_data_norm(vcs, VINO_DATA_NORM_PAL); - vcs->data_norm = VINO_DATA_NORM_PAL; + if (((*std) & V4L2_STD_PAL) + && ((*std) & V4L2_STD_NTSC) + && ((*std) & V4L2_STD_SECAM)) { + ret = vino_set_data_norm(vcs, VINO_DATA_NORM_AUTO_EXT, + &flags); + } else if ((*std) & V4L2_STD_PAL) { + ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, + &flags); } else if ((*std) & V4L2_STD_NTSC) { - vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC); - vcs->data_norm = VINO_DATA_NORM_NTSC; + ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, + &flags); } else if ((*std) & V4L2_STD_SECAM) { - vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM); - vcs->data_norm = VINO_DATA_NORM_SECAM; + ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, + &flags); } else { ret = -EINVAL; } + + if (ret) { + ret = -EINVAL; + } } else { ret = -EINVAL; } out: - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return ret; } @@ -2854,6 +3198,7 @@ struct v4l2_format *f) { struct vino_channel_settings tempvcs; + unsigned long flags; switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { @@ -2862,9 +3207,9 @@ dprintk("requested: w = %d, h = %d\n", pf->width, pf->height); - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); tempvcs.data_format = vino_find_data_format(pf->pixelformat); if (tempvcs.data_format == VINO_DATA_FMT_NONE) { @@ -2907,10 +3252,13 @@ static int vino_v4l2_g_fmt(struct vino_channel_settings *vcs, struct v4l2_format *f) { + unsigned long flags; + switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { struct v4l2_pix_format *pf = &f->fmt.pix; - spin_lock(&vino_drvdata->input_lock); + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); pf->width = (vcs->clipping.right - vcs->clipping.left) / vcs->decimation; @@ -2929,7 +3277,7 @@ pf->priv = 0; - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); break; } case V4L2_BUF_TYPE_VIDEO_OVERLAY: @@ -2944,18 +3292,22 @@ struct v4l2_format *f) { int data_format; + unsigned long flags; switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { struct v4l2_pix_format *pf = &f->fmt.pix; - spin_lock(&vino_drvdata->input_lock); + + spin_lock_irqsave(&vino_drvdata->input_lock, flags); if (!vino_is_input_owner(vcs)) { - spin_unlock(&vino_drvdata->input_lock); - return -EINVAL; + spin_unlock_irqrestore(&vino_drvdata->input_lock, + flags); + return -EBUSY; } data_format = vino_find_data_format(pf->pixelformat); + if (data_format == VINO_DATA_FMT_NONE) { vcs->data_format = VINO_DATA_FMT_RGB32; pf->pixelformat = @@ -2984,7 +3336,7 @@ pf->priv = 0; - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); break; } case V4L2_BUF_TYPE_VIDEO_OVERLAY: @@ -2999,12 +3351,15 @@ struct v4l2_cropcap *ccap) { const struct vino_data_norm *norm; + unsigned long flags; switch (ccap->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + norm = &vino_data_norms[vcs->data_norm]; - spin_unlock(&vino_drvdata->input_lock); + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); ccap->bounds.left = 0; ccap->bounds.top = 0; @@ -3027,16 +3382,18 @@ static int vino_v4l2_g_crop(struct vino_channel_settings *vcs, struct v4l2_crop *c) { + unsigned long flags; + switch (c->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); c->c.left = vcs->clipping.left; c->c.top = vcs->clipping.top; c->c.width = vcs->clipping.right - vcs->clipping.left; c->c.height = vcs->clipping.bottom - vcs->clipping.top; - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: default: @@ -3049,18 +3406,21 @@ static int vino_v4l2_s_crop(struct vino_channel_settings *vcs, struct v4l2_crop *c) { + unsigned long flags; + switch (c->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); if (!vino_is_input_owner(vcs)) { - spin_unlock(&vino_drvdata->input_lock); - return -EINVAL; + spin_unlock_irqrestore(&vino_drvdata->input_lock, + flags); + return -EBUSY; } vino_set_clipping(vcs, c->c.left, c->c.top, c->c.width, c->c.height); - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: default: @@ -3073,6 +3433,8 @@ static int vino_v4l2_g_parm(struct vino_channel_settings *vcs, struct v4l2_streamparm *sp) { + unsigned long flags; + switch (sp->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { struct v4l2_captureparm *cp = &sp->parm.capture; @@ -3081,9 +3443,11 @@ cp->capability = V4L2_CAP_TIMEPERFRAME; cp->timeperframe.numerator = 1; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + cp->timeperframe.denominator = vcs->fps; - spin_unlock(&vino_drvdata->input_lock); + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); // TODO: cp->readbuffers = xxx; break; @@ -3099,14 +3463,18 @@ static int vino_v4l2_s_parm(struct vino_channel_settings *vcs, struct v4l2_streamparm *sp) { + unsigned long flags; + switch (sp->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { struct v4l2_captureparm *cp = &sp->parm.capture; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + if (!vino_is_input_owner(vcs)) { - spin_unlock(&vino_drvdata->input_lock); - return -EINVAL; + spin_unlock_irqrestore(&vino_drvdata->input_lock, + flags); + return -EBUSY; } if ((cp->timeperframe.numerator == 0) || @@ -3117,7 +3485,8 @@ vino_set_framerate(vcs, cp->timeperframe.denominator / cp->timeperframe.numerator); } - spin_unlock(&vino_drvdata->input_lock); + + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); // TODO: set buffers according to cp->readbuffers break; @@ -3301,12 +3670,12 @@ err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); if (err) { dprintk("vino_queue_get_incoming() failed\n"); - return -EIO; + return -EINVAL; } err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); if (err) { dprintk("vino_queue_get_outgoing() failed\n"); - return -EIO; + return -EINVAL; } dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); @@ -3326,8 +3695,10 @@ if (err) { err = vino_wait_for_frame(vcs); if (err) { - /* interrupted */ - vino_capture_failed(vcs); + /* interrupted or + * no frames captured because + * of frame skipping */ + // vino_capture_failed(vcs); return -EIO; } } @@ -3340,10 +3711,12 @@ } err = vino_check_buffer(vcs, fb); + + vino_v4l2_get_buffer_status(vcs, fb, b); + if (err) return -EIO; - vino_v4l2_get_buffer_status(vcs, fb, b); break; } case V4L2_BUF_TYPE_VIDEO_OVERLAY: @@ -3409,10 +3782,11 @@ static int vino_v4l2_queryctrl(struct vino_channel_settings *vcs, struct v4l2_queryctrl *queryctrl) { + unsigned long flags; int i; int err = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); switch (vcs->input) { case VINO_INPUT_D1: @@ -3447,7 +3821,7 @@ } found: - spin_unlock(&vino_drvdata->input_lock); + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return err; } @@ -3455,16 +3829,21 @@ static int vino_v4l2_g_ctrl(struct vino_channel_settings *vcs, struct v4l2_control *control) { - struct indycam_control indycam_ctrl; - struct saa7191_control saa7191_ctrl; + unsigned long flags; int err = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); switch (vcs->input) { - case VINO_INPUT_D1: - i2c_camera_command(DECODER_INDYCAM_GET_CONTROLS, - &indycam_ctrl); + case VINO_INPUT_D1: { + struct indycam_control indycam_ctrl; + + err = i2c_camera_command(DECODER_INDYCAM_GET_CONTROLS, + &indycam_ctrl); + if (err) { + err = -EINVAL; + goto out; + } switch(control->id) { case V4L2_CID_AUTOGAIN: @@ -3498,10 +3877,17 @@ err = -EINVAL; } break; + } case VINO_INPUT_COMPOSITE: - case VINO_INPUT_SVIDEO: - i2c_decoder_command(DECODER_SAA7191_GET_CONTROLS, - &saa7191_ctrl); + case VINO_INPUT_SVIDEO: { + struct saa7191_control saa7191_ctrl; + + err = i2c_decoder_command(DECODER_SAA7191_GET_CONTROLS, + &saa7191_ctrl); + if (err) { + err = -EINVAL; + goto out; + } switch(control->id) { case V4L2_CID_HUE: @@ -3514,11 +3900,13 @@ err = -EINVAL; } break; + } default: err = -EINVAL; } - spin_unlock(&vino_drvdata->input_lock); +out: + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return err; } @@ -3526,15 +3914,21 @@ static int vino_v4l2_s_ctrl(struct vino_channel_settings *vcs, struct v4l2_control *control) { - struct indycam_control indycam_ctrl; - struct saa7191_control saa7191_ctrl; + unsigned long flags; int i; int err = 0; - spin_lock(&vino_drvdata->input_lock); + spin_lock_irqsave(&vino_drvdata->input_lock, flags); + + if (!vino_is_input_owner(vcs)) { + err = -EBUSY; + goto out; + } switch (vcs->input) { - case VINO_INPUT_D1: + case VINO_INPUT_D1: { + struct indycam_control indycam_ctrl; + for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { if (vino_indycam_v4l2_controls[i].id == control->id) { @@ -3546,12 +3940,12 @@ goto ok1; } else { err = -ERANGE; - goto error; + goto out; } } } err = -EINVAL; - goto error; + goto out; ok1: indycam_ctrl.agc = INDYCAM_VALUE_UNCHANGED; @@ -3594,14 +3988,19 @@ break; default: err = -EINVAL; + goto out; } - if (!err) - i2c_camera_command(DECODER_INDYCAM_SET_CONTROLS, - &indycam_ctrl); + err = i2c_camera_command(DECODER_INDYCAM_SET_CONTROLS, + &indycam_ctrl); + if (err) + err = -EINVAL; break; + } case VINO_INPUT_COMPOSITE: - case VINO_INPUT_SVIDEO: + case VINO_INPUT_SVIDEO: { + struct saa7191_control saa7191_ctrl; + for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { if (vino_saa7191_v4l2_controls[i].id == control->id) { @@ -3613,12 +4012,12 @@ goto ok2; } else { err = -ERANGE; - goto error; + goto out; } } } err = -EINVAL; - goto error; + goto out; ok2: saa7191_ctrl.hue = SAA7191_VALUE_UNCHANGED; @@ -3633,18 +4032,21 @@ break; default: err = -EINVAL; + goto out; } - if (!err) - i2c_decoder_command(DECODER_SAA7191_SET_CONTROLS, - &saa7191_ctrl); + err = i2c_decoder_command(DECODER_SAA7191_SET_CONTROLS, + &saa7191_ctrl); + if (err) + err = -EINVAL; break; + } default: err = -EINVAL; } -error: - spin_unlock(&vino_drvdata->input_lock); +out: + spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); return err; } @@ -3864,9 +4266,9 @@ over: dprintk("poll(): data %savailable\n", (outgoing > 0) ? "" : "not "); - if (outgoing > 0) { + + if (outgoing > 0) ret = POLLIN | POLLRDNORM; - } error: @@ -3879,6 +4281,7 @@ struct video_device *dev = video_devdata(file); struct vino_channel_settings *vcs = video_get_drvdata(dev); +#ifdef VINO_DEBUG switch (_IOC_TYPE(cmd)) { case 'v': dprintk("ioctl(): V4L1 unsupported (0x%08x)\n", cmd); @@ -3890,9 +4293,9 @@ default: dprintk("ioctl(): unsupported command 0x%08x\n", cmd); } +#endif switch (cmd) { - /* TODO: V4L1 interface (use compatibility layer?) */ /* V4L2 interface */ case VIDIOC_QUERYCAP: { vino_v4l2_querycap(arg); @@ -3910,6 +4313,9 @@ case VIDIOC_ENUMSTD: { return vino_v4l2_enumstd(vcs, arg); } + case VIDIOC_QUERYSTD: { + return vino_v4l2_querystd(vcs, arg); + } case VIDIOC_G_STD: { return vino_v4l2_g_std(vcs, arg); } @@ -4099,8 +4505,7 @@ return -ENODEV; } - printk(KERN_INFO "VINO with chip ID %ld, revision %ld found\n", - VINO_ID_VALUE(rev_id), VINO_REV_NUM(rev_id)); + printk(KERN_INFO "VINO revision %ld found\n", VINO_REV_NUM(rev_id)); return 0; }
