From: Steven Toth Date: Sat, 31 Jul 2010 18:27:01 +0000 (-0300) Subject: [media] saa7164: adjust the PS pack size handling to fill buffers 100% X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a97781ac918073117bb8e63619c77e0380bbcc8d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] saa7164: adjust the PS pack size handling to fill buffers 100% Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/saa7164/saa7164-buffer.c b/drivers/media/video/saa7164/saa7164-buffer.c index b75157d411dd..5f45ea7f3d7c 100644 --- a/drivers/media/video/saa7164/saa7164-buffer.c +++ b/drivers/media/video/saa7164/saa7164-buffer.c @@ -142,7 +142,8 @@ struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_port *port, buf->pt_cpu, (long)buf->pt_dma, buf->pt_size); /* Format the Page Table Entries to point into the data buffer */ - for (i = 0 ; i < SAA7164_PT_ENTRIES; i++) { +// for (i = 0 ; i < SAA7164_PT_ENTRIES; i++) { + for (i = 0 ; i < 10; i++) { *(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */ diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c index 79e1a2ee7e9e..fd15bf388e3b 100644 --- a/drivers/media/video/saa7164/saa7164-core.c +++ b/drivers/media/video/saa7164/saa7164-core.c @@ -94,10 +94,21 @@ void saa7164_dumphex16FF(struct saa7164_dev *dev, u8 *buf, int len) } } +static void saa7164_pack_verifier(struct saa7164_buffer *buf) +{ + u8 *p = (u8 *)buf->cpu; + int i; + + for (i = 0; i < buf->actual_size; i += 2048) { + + if ( (*(p + i + 0) != 0x00) || (*(p + i + 1) != 0x00) || (*(p + i + 2) != 0x01) || (*(p + i + 3) != 0xBA) ) + printk(KERN_ERR "No pack at 0x%x\n", i); + } +} + static void saa7164_ts_verifier(struct saa7164_buffer *buf) { struct saa7164_port *port = buf->port; - struct saa7164_dev *dev = port->dev; u32 i; u8 tmp, cc, a; u8 *bufcpu = (u8 *)buf->cpu; @@ -210,7 +221,6 @@ void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val) static void saa7164_histogram_print(struct saa7164_port *port, struct saa7164_histogram *hg) { - struct saa7164_dev *dev = port->dev; u32 entries = 0; int i; @@ -296,7 +306,7 @@ static void saa7164_work_enchandler(struct work_struct *w) (*(p + buf->actual_size + 0x12) != 0xff) || (*(p + buf->actual_size + 0x13) != 0xff) ) { - printk(KERN_ERR "buf %p failed guard check\n", buf); + printk(KERN_ERR "%s() buf %p failed guard check\n", __func__, buf); saa7164_dumphex16(dev, p + buf->actual_size - 32, 64); } @@ -317,6 +327,8 @@ static void saa7164_work_enchandler(struct work_struct *w) /* Validate the incoming buffer content */ if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) saa7164_ts_verifier(buf); + if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) + saa7164_pack_verifier(buf); /* find a free user buffer and clone to it */ if (!list_empty(&port->list_buf_free.list)) { @@ -325,8 +337,9 @@ static void saa7164_work_enchandler(struct work_struct *w) ubuf = list_first_entry(&port->list_buf_free.list, struct saa7164_user_buffer, list); - if (ubuf->actual_size >= buf->actual_size) { - memcpy(ubuf->data, port->shadow_buf[rp], 312 * 188); + if (buf->actual_size <= ubuf->actual_size) { + + memcpy_fromio(ubuf->data, buf->cpu, ubuf->actual_size); /* Throw a new checksum on the read buffer */ ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size); @@ -342,29 +355,30 @@ static void saa7164_work_enchandler(struct work_struct *w) rp, buf->crc, port->shadow_crc[rp], ubuf->crc, ok ? "crcgood" : "crcbad"); - } else { - printk(KERN_ERR "buf %p actual fails match\n", buf); - } + /* Requeue the buffer on the free list */ + ubuf->pos = 0; - /* Requeue the buffer on the free list */ - ubuf->pos = 0; + list_move_tail(&ubuf->list, + &port->list_buf_used.list); - list_move_tail(&ubuf->list, - &port->list_buf_used.list); + /* Flag any userland waiters */ + wake_up_interruptible(&port->wait_read); - /* Flag any userland waiters */ - wake_up_interruptible(&port->wait_read); + } else { + printk(KERN_ERR "buf %p bufsize fails match\n", buf); + } } else printk(KERN_ERR "encirq no free buffers, increase param encoder_buffers\n"); /* Ensure offset into buffer remains 0, fill buffer - * with known bad data. */ + * with known bad data. We check for this data at a later point + * in time. */ saa7164_buffer_zero_offsets(port, rp); memset_io(buf->cpu, 0xff, buf->pci_size); buf->crc = crc32(0, buf->cpu, buf->actual_size); -// break; + break; } else { /* Validate all other checksums, on previous buffers - they should never change */ crc = crc32(0, buf->cpu, buf->actual_size); @@ -412,7 +426,6 @@ static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port) { struct saa7164_dev *dev = port->dev; struct saa7164_buffer *buf; - struct saa7164_user_buffer *ubuf; struct list_head *c, *n; int wp, rp, i = 0; u8 *p; @@ -490,10 +503,11 @@ static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port) if (buf->idx == rp) { - memcpy_fromio(port->shadow_buf[rp], buf->cpu, 312 * 188); - port->shadow_crc[rp] = crc32(0, port->shadow_buf[rp], 312 * 188); + memcpy_fromio(port->shadow_buf[rp], buf->cpu, buf->actual_size); - buf->crc = crc32(0, buf->cpu, 312 * 188); + port->shadow_crc[rp] = crc32(0, port->shadow_buf[rp], buf->actual_size); + + buf->crc = crc32(0, buf->cpu, buf->actual_size); if (port->shadow_crc[rp] != buf->crc) printk(KERN_ERR "%s() crc check failed 0x%x vs 0x%x\n", @@ -885,12 +899,12 @@ static int saa7164_port_init(struct saa7164_dev *dev, int portnr) if (port->type == SAA7164_MPEG_ENCODER) { for (i = 0; i < 8; i ++) { - port->shadow_buf[i] = kzalloc(312 * 188, GFP_KERNEL); + port->shadow_buf[i] = kzalloc(256 * 128, GFP_KERNEL); if (port->shadow_buf[i] == 0) printk(KERN_ERR "%s() shadow_buf ENOMEM\n", __func__); else { - memset(port->shadow_buf[i], 0xff, 312 * 188); - port->shadow_crc[i] = crc32(0, port->shadow_buf[i], 312 * 188); + memset(port->shadow_buf[i], 0xff, 256 * 128); + port->shadow_crc[i] = crc32(0, port->shadow_buf[i], 256 * 128); } } } diff --git a/drivers/media/video/saa7164/saa7164-encoder.c b/drivers/media/video/saa7164/saa7164-encoder.c index f3ecdc93e20e..08b62e41c466 100644 --- a/drivers/media/video/saa7164/saa7164-encoder.c +++ b/drivers/media/video/saa7164/saa7164-encoder.c @@ -1314,16 +1314,15 @@ int saa7164_encoder_register(struct saa7164_port *port) /* Init and establish defaults */ /* TODO: Check the umber of lines for PS */ port->hw_streamingparams.bitspersample = 8; - port->hw_streamingparams.samplesperline = 188; - port->hw_streamingparams.numberoflines = - (SAA7164_TS_NUMBER_OF_LINES * 188) / 188; + port->hw_streamingparams.samplesperline = 128; + port->hw_streamingparams.numberoflines = 256; - port->hw_streamingparams.pitch = 188; + port->hw_streamingparams.pitch = 128; port->hw_streamingparams.linethreshold = 0; port->hw_streamingparams.pagetablelistvirt = 0; port->hw_streamingparams.pagetablelistphys = 0; port->hw_streamingparams.numpagetables = 2 + - ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); + ((SAA7164_PS_NUMBER_OF_LINES * 128) / PAGE_SIZE); port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount; diff --git a/drivers/media/video/saa7164/saa7164.h b/drivers/media/video/saa7164/saa7164.h index a8a29e56b2ce..80571e0e3d4b 100644 --- a/drivers/media/video/saa7164/saa7164.h +++ b/drivers/media/video/saa7164/saa7164.h @@ -85,6 +85,7 @@ #define SAA7164_MAX_UNITS 8 #define SAA7164_TS_NUMBER_OF_LINES 312 +#define SAA7164_PS_NUMBER_OF_LINES 256 #define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */ #define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */ @@ -393,6 +394,8 @@ struct saa7164_port { u8 *shadow_buf[8]; u32 shadow_crc[8]; + + u32 dvd_pack_offset; }; struct saa7164_dev {