Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=579f1163cd5b2a3fd96ec5b84b18a071e7da3b6b
Commit:     579f1163cd5b2a3fd96ec5b84b18a071e7da3b6b
Parent:     6f074abb624aced31339a0f8fac778b344adac4c
Author:     Steven Toth <[EMAIL PROTECTED]>
AuthorDate: Sat Sep 8 15:07:02 2007 -0300
Committer:  Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Tue Oct 9 22:14:28 2007 -0300

    V4L/DVB (6195): Changes to support MPEG TS on VIDB
    
    Changes to support MPEG TS on VIDB
    
    Signed-off-by: Steven Toth <[EMAIL PROTECTED]>
    Reviewed-by: Michael Krufky <[EMAIL PROTECTED]>
    Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
 drivers/media/video/cx23885/cx23885-core.c |  142 +++++++++++++++------------
 drivers/media/video/cx23885/cx23885.h      |    7 ++
 2 files changed, 86 insertions(+), 63 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-core.c 
b/drivers/media/video/cx23885/cx23885-core.c
index d155f5f..553a72a 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -100,12 +100,12 @@ struct sram_channel cx23885_sram_channels[] = {
                .cnt2_reg       = DMA2_CNT2,
        },
        [SRAM_CH03] = {
-               .name           = "ch3",
-               .cmds_start     = 0x0,
-               .ctrl_start     = 0x0,
-               .cdt            = 0x0,
-               .fifo_start     = 0x0,
-               .fifo_size      = 0x0,
+               .name           = "TS1 B",
+               .cmds_start     = 0x100A0,
+               .ctrl_start     = 0x10780,
+               .cdt            = 0x10400,
+               .fifo_start     = 0x5000,
+               .fifo_size      = 0x1000,
                .ptr1_reg       = DMA3_PTR1,
                .ptr2_reg       = DMA3_PTR2,
                .cnt1_reg       = DMA3_CNT1,
@@ -596,7 +596,7 @@ void cx23885_reset(struct cx23885_dev *dev)
 
        cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 
188*4, 0);
        cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 
0);
-       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 128, 
0);
+       cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 
188*4, 0);
        cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 
0);
        cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 
0);
        cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 
188*4, 0);
@@ -679,6 +679,39 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
        atomic_inc(&dev->refcount);
 
        dev->nr = cx23885_devcount++;
+       sprintf(dev->name, "cx23885[%d]", dev->nr);
+
+       mutex_lock(&devlist);
+       list_add_tail(&dev->devlist, &cx23885_devlist);
+       mutex_unlock(&devlist);
+
+       /* Configure the internal memory */
+       if(dev->pci->device == 0x8880) {
+               dev->bridge = CX23885_BRIDGE_887;
+               dev->sram_channels = cx23887_sram_channels;
+       } else
+       if(dev->pci->device == 0x8852) {
+               dev->bridge = CX23885_BRIDGE_885;
+               dev->sram_channels = cx23885_sram_channels;
+       } else
+               BUG();
+
+       dprintk(1, "%s() Memory configured for PCIe bridge type %d\n",
+               __FUNCTION__, dev->bridge);
+
+       /* board config */
+       dev->board = UNSET;
+       if (card[dev->nr] < cx23885_bcount)
+               dev->board = card[dev->nr];
+       for (i = 0; UNSET == dev->board  &&  i < cx23885_idcount; i++)
+               if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor &&
+                   dev->pci->subsystem_device == cx23885_subids[i].subdevice)
+                       dev->board = cx23885_subids[i].card;
+       if (UNSET == dev->board) {
+               dev->board = CX23885_BOARD_UNKNOWN;
+               cx23885_card_list(dev);
+       }
+
        dev->pci_bus  = dev->pci->bus->number;
        dev->pci_slot = PCI_SLOT(dev->pci->devfn);
        dev->pci_irqmask = 0x001f00;
@@ -717,38 +750,13 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
        spin_lock_init(&dev->ts2.slock);
        dev->ts2.dev = dev;
        dev->ts2.nr = 2;
-       dev->ts2.sram_chno = SRAM_CH06;
+
        INIT_LIST_HEAD(&dev->ts2.mpegq.active);
        INIT_LIST_HEAD(&dev->ts2.mpegq.queued);
        dev->ts2.mpegq.timeout.function = cx23885_timeout;
        dev->ts2.mpegq.timeout.data     = (unsigned long)&dev->ts2;
        init_timer(&dev->ts2.mpegq.timeout);
 
-       dev->ts2.reg_gpcnt = VID_C_GPCNT;
-       dev->ts2.reg_gpcnt_ctl = VID_C_GPCNT_CTL;
-       dev->ts2.reg_dma_ctl = VID_C_DMA_CTL;
-       dev->ts2.reg_lngth = VID_C_LNGTH;
-       dev->ts2.reg_hw_sop_ctrl = VID_C_HW_SOP_CTL;
-       dev->ts2.reg_gen_ctrl = VID_C_GEN_CTL;
-       dev->ts2.reg_bd_pkt_status = VID_C_BD_PKT_STATUS;
-       dev->ts2.reg_sop_status = VID_C_SOP_STATUS;
-       dev->ts2.reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT;
-       dev->ts2.reg_vld_misc = VID_C_VLD_MISC;
-       dev->ts2.reg_ts_clk_en = VID_C_TS_CLK_EN;
-       dev->ts2.reg_ts_int_msk = VID_C_INT_MSK;
-
-       // FIXME: Make this board specific
-       dev->ts2.pci_irqmask = 0x04; /* TS Port 2 bit */
-       dev->ts2.dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */
-       dev->ts2.ts_int_msk_val = 0x1111; /* TS port bits for RISC */
-       dev->ts2.gen_ctrl_val = 0xc; /* Serial bus + punctured clock */
-       dev->ts2.ts_clk_en_val = 0x1; /* Enable TS_CLK */
-
-       cx23885_risc_stopper(dev->pci, &dev->ts2.mpegq.stopper,
-                            dev->ts2.reg_dma_ctl, dev->ts2.dma_ctl_val, 0x00);
-
-       sprintf(dev->name, "cx23885[%d]", dev->nr);
-
        if (get_resources(dev) < 0) {
                printk(KERN_ERR "CORE %s No more PCIe resources for "
                       "subsystem: %04x:%04x\n",
@@ -759,46 +767,18 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
                goto fail_free;
        }
 
-       mutex_lock(&devlist);
-       list_add_tail(&dev->devlist, &cx23885_devlist);
-       mutex_unlock(&devlist);
-
        /* PCIe stuff */
        dev->lmmio = ioremap(pci_resource_start(dev->pci,0),
                             pci_resource_len(dev->pci,0));
 
        dev->bmmio = (u8 __iomem *)dev->lmmio;
 
-       /* board config */
-       dev->board = UNSET;
-       if (card[dev->nr] < cx23885_bcount)
-               dev->board = card[dev->nr];
-       for (i = 0; UNSET == dev->board  &&  i < cx23885_idcount; i++)
-               if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor &&
-                   dev->pci->subsystem_device == cx23885_subids[i].subdevice)
-                       dev->board = cx23885_subids[i].card;
-       if (UNSET == dev->board) {
-               dev->board = CX23885_BOARD_UNKNOWN;
-               cx23885_card_list(dev);
-       }
        printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s 
[card=%d,%s]\n",
               dev->name, dev->pci->subsystem_vendor,
               dev->pci->subsystem_device, cx23885_boards[dev->board].name,
               dev->board, card[dev->nr] == dev->board ?
               "insmod option" : "autodetected");
 
-       /* Configure the internal memory */
-       if(dev->pci->device == 0x8880) {
-               dev->bridge = CX23885_BRIDGE_887;
-               dev->sram_channels = cx23887_sram_channels;
-       } else
-       if(dev->pci->device == 0x8852) {
-               dev->bridge = CX23885_BRIDGE_885;
-               dev->sram_channels = cx23885_sram_channels;
-       }
-       dprintk(1, "%s() Memory configured for PCIe bridge type %d\n",
-               __FUNCTION__, dev->bridge);
-
        cx23885_pci_quirks(dev);
 
        /* init hardware */
@@ -812,6 +792,38 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
        cx23885_card_setup(dev);
        cx23885_ir_init(dev);
 
+       switch (dev->board) {
+       default:
+               dev->ts2.reg_gpcnt          = VID_C_GPCNT;
+               dev->ts2.reg_gpcnt_ctl      = VID_C_GPCNT_CTL;
+               dev->ts2.reg_dma_ctl        = VID_C_DMA_CTL;
+               dev->ts2.reg_lngth          = VID_C_LNGTH;
+               dev->ts2.reg_hw_sop_ctrl    = VID_C_HW_SOP_CTL;
+               dev->ts2.reg_gen_ctrl       = VID_C_GEN_CTL;
+               dev->ts2.reg_bd_pkt_status  = VID_C_BD_PKT_STATUS;
+               dev->ts2.reg_sop_status     = VID_C_SOP_STATUS;
+               dev->ts2.reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT;
+               dev->ts2.reg_vld_misc       = VID_C_VLD_MISC;
+               dev->ts2.reg_ts_clk_en      = VID_C_TS_CLK_EN;
+               dev->ts2.reg_ts_int_msk     = VID_C_INT_MSK;
+               dev->ts2.reg_src_sel        = 0;
+
+               // FIXME: Make this board specific
+               dev->ts2.pci_irqmask = 0x04; /* TS Port 2 bit */
+               dev->ts2.dma_ctl_val = 0x11; /* Enable RISC controller and Fifo 
*/
+               dev->ts2.ts_int_msk_val = 0x1111; /* TS port bits for RISC */
+               dev->ts2.gen_ctrl_val = 0xc; /* Serial bus + punctured clock */
+               dev->ts2.ts_clk_en_val = 0x1; /* Enable TS_CLK */
+               dev->ts2.src_sel_val = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
+
+               // Drive this from cards.c (portb/c) and move it outside of 
this switch
+               dev->ts2.sram_chno = SRAM_CH06;
+       }
+
+       cx23885_risc_stopper(dev->pci, &dev->ts2.mpegq.stopper,
+                            dev->ts2.reg_dma_ctl, dev->ts2.dma_ctl_val, 0x00);
+
+       // FIXME: This should only be called if ts2 is being used, driven by 
cards.c
        if (cx23885_dvb_register(&dev->ts2) < 0) {
                printk(KERN_ERR "%s() Failed to register dvb adapters\n",
                       __FUNCTION__);
@@ -1026,13 +1038,17 @@ static int cx23885_start_dma(struct cx23885_tsport 
*port,
 
        udelay(100);
 
+       /* If the port supports SRC SELECT, configure it */
+       if(port->reg_src_sel)
+               cx_write(port->reg_src_sel, port->src_sel_val);
+
        cx_write(port->reg_hw_sop_ctrl, 0x47 << 16 | 188 << 4);
        cx_write(port->reg_ts_clk_en, port->ts_clk_en_val);
        cx_write(port->reg_vld_misc, 0x00);
-
        cx_write(port->reg_gen_ctrl, port->gen_ctrl_val);
        udelay(100);
 
+       // NOTE: this is 2 (reserved) for portb, does it matter?
        /* reset counter to zero */
        cx_write(port->reg_gpcnt_ctl, 3);
        q->count = 1;
@@ -1047,7 +1063,7 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
                cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask);
                break;
        default:
-               printk(KERN_ERR "%s() error, default case", __FUNCTION__ );
+               BUG();
        }
 
        cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
diff --git a/drivers/media/video/cx23885/cx23885.h 
b/drivers/media/video/cx23885/cx23885.h
index e44698a..62b44f6 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -68,6 +68,11 @@ enum cx23885_itype {
        CX23885_RADIO,
 };
 
+enum cx23885_src_sel_type {
+       CX23885_SRC_SEL_EXT_656_VIDEO = 0,
+       CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
+};
+
 /* buffer for one video frame */
 struct cx23885_buffer {
        /* common v4l buffer stuff -- must be first */
@@ -162,6 +167,7 @@ struct cx23885_tsport {
        u32                        reg_vld_misc;
        u32                        reg_ts_clk_en;
        u32                        reg_ts_int_msk;
+       u32                        reg_src_sel;
 
        /* Default register vals */
        int                        pci_irqmask;
@@ -169,6 +175,7 @@ struct cx23885_tsport {
        u32                        ts_int_msk_val;
        u32                        gen_ctrl_val;
        u32                        ts_clk_en_val;
+       u32                        src_sel_val;
 };
 
 struct cx23885_dev {
-
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