V4L/DVB (6195): Changes to support MPEG TS on VIDB

Changes to support MPEG TS on VIDB

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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 d155f5fb133c..553a72ae163a 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 e44698a6bede..62b44f6d749f 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 {