diff options
| author | Steven Toth <stoth@hauppauge.com> | 2008-01-10 02:06:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 19:04:47 -0200 |
| commit | 0ac5881aefc2dab8b3535c2e44fee6628acaf787 (patch) | |
| tree | 3259e66a720fa3605d1c350b823a879fdec2c8bf /drivers/media/video/cx23885 | |
| parent | f234081bc564c69eb0e2cd4e957ad1cbae4a6144 (diff) | |
V4L/DVB (7003): cx23885: Add support for device revision detection
Each version of the cx23885/7/8 silicon has different build revs.
We'll use this internal revision to work around bugs and known
issues in the video and encoder related patches.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx23885')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 40 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-reg.h | 1 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 1 |
3 files changed, 42 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index f205ad6354e..a602ac800a4 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -702,6 +702,44 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p return 0; } +static void cx23885_dev_checkrevision(struct cx23885_dev *dev) +{ + switch (cx_read(RDR_CFG2) & 0xff) { + case 0x00: + /* cx23885 */ + dev->hwrevision = 0xa0; + break; + case 0x01: + /* CX23885-12Z */ + dev->hwrevision = 0xa1; + break; + case 0x02: + /* CX23885-13Z */ + dev->hwrevision = 0xb0; + break; + case 0x03: + /* CX23888-22Z */ + dev->hwrevision = 0xc0; + break; + case 0x0e: + /* CX23887-15Z */ + dev->hwrevision = 0xc0; + case 0x0f: + /* CX23887-14Z */ + dev->hwrevision = 0xb1; + break; + default: + printk(KERN_ERR "%s() New hardware revision found 0x%x\n", + __FUNCTION__, dev->hwrevision); + } + if (dev->hwrevision) + printk(KERN_INFO "%s() Hardware revision = 0x%02x\n", + __FUNCTION__, dev->hwrevision); + else + printk(KERN_ERR "%s() Hardware revision unknown 0x%x\n", + __FUNCTION__, dev->hwrevision); +} + static int cx23885_dev_setup(struct cx23885_dev *dev) { int i; @@ -832,6 +870,8 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) } } + cx23885_dev_checkrevision(dev); + return 0; } diff --git a/drivers/media/video/cx23885/cx23885-reg.h b/drivers/media/video/cx23885/cx23885-reg.h index 162169f9091..38abf49b63a 100644 --- a/drivers/media/video/cx23885/cx23885-reg.h +++ b/drivers/media/video/cx23885/cx23885-reg.h @@ -276,6 +276,7 @@ Channel manager Data Structure entry = 20 DWORD #define RDR_CFG0 0x00050000 #define RDR_CFG1 0x00050004 +#define RDR_CFG2 0x00050008 #define RDR_TLCTL0 0x00050318 /* APB DMAC Current Buffer Pointer */ diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 974ec14782d..48d0c87ddbc 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -191,6 +191,7 @@ struct cx23885_dev { u32 __iomem *lmmio; u8 __iomem *bmmio; int pci_irqmask; + int hwrevision; /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ struct cx23885_i2c i2c_bus[3]; |