V4L/DVB (7726): cx23885: Enable cx23417 support on the HVR1800

cx23885: Enable cx23417 support on the HVR1800

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

4 files changed, 89 insertions, 2 deletions

diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index 0f4b325f2d89..6ebf58724a01 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -73,6 +73,7 @@ struct cx23885_board cx23885_boards[] = {
         [CX23885_BOARD_HAUPPAUGE_HVR1800] = {
                 .name           = "Hauppauge WinTV-HVR1800",
                 .porta          = CX23885_ANALOG_VIDEO,
+                .portb          = CX23885_MPEG_ENCODER,
                 .portc          = CX23885_MPEG_DVB,
                 .tuner_type     = TUNER_PHILIPS_TDA8290,
                 .tuner_addr     = 0x42, /* 0x84 >> 1 */
@@ -336,6 +337,10 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
                 /* GPIO-15-18 cx23417 READY, CS, RD, WR */
                 /* GPIO-19 IR_RX */
 
+                /* CX23417 GPIO's */
+                /* EIO15 Zilog Reset */
+                /* EIO14 S5H1409/CX24227 Reset */
+
                 /* Force the TDA8295A into reset and back */
                 cx_set(GP0_IO, 0x00040004);
                 mdelay(20);
@@ -443,10 +448,25 @@ void cx23885_card_setup(struct cx23885_dev *dev)
                 ts1->ts_clk_en_val = 0x1; /* Enable TS_CLK */
                 ts1->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
                 break;
+        case CX23885_BOARD_HAUPPAUGE_HVR1800:
+                /* Defaults for VID B - Analog encoder */
+                /* DREQ_POL, SMODE, PUNC_CLK, MCLK_POL Serial bus + punc clk */
+                ts1->gen_ctrl_val    = 0x10e;
+                ts1->ts_clk_en_val   = 0x1; /* Enable TS_CLK */
+                ts1->src_sel_val     = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
+
+                /* APB_TSVALERR_POL (active low)*/
+                ts1->vld_misc_val    = 0x2000;
+                ts1->hw_sop_ctrl_val = (0x47 << 16 | 188 << 4 | 0xc);
+
+                /* Defaults for VID C */
+                ts2->gen_ctrl_val  = 0xc; /* Serial bus + punctured clock */
+                ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */
+                ts2->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
+                break;
         case CX23885_BOARD_HAUPPAUGE_HVR1250:
         case CX23885_BOARD_HAUPPAUGE_HVR1500:
         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
-        case CX23885_BOARD_HAUPPAUGE_HVR1800:
         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
         case CX23885_BOARD_HAUPPAUGE_HVR1200:
         case CX23885_BOARD_HAUPPAUGE_HVR1700:
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 7f7446a76465..f24abcd06dea 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -1037,6 +1037,7 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
                              struct cx23885_buffer   *buf)
 {
         struct cx23885_dev *dev = port->dev;
+        u32 reg;
 
         dprintk(1, "%s() w: %d, h: %d, f: %d\n", __func__,
                 buf->vb.width, buf->vb.height, buf->vb.field);
@@ -1062,6 +1063,9 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
                 return -EINVAL;
         }
 
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+                cx23885_av_clk(dev, 0);
+
         udelay(100);
 
         /* If the port supports SRC SELECT, configure it */
@@ -1079,6 +1083,21 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
         cx_write(port->reg_gpcnt_ctl, 3);
         q->count = 1;
 
+        if (cx23885_boards[dev->board].portb & CX23885_MPEG_ENCODER) {
+
+                reg = cx_read(PAD_CTRL);
+                reg = reg & ~0x1;    /* Clear TS1_OE */
+
+                /* FIXME, bit 2 writing here is questionable */
+                /* set TS1_SOP_OE and TS1_OE_HI */
+                reg = reg | 0xa;
+                cx_write(PAD_CTRL, reg);
+
+                /* FIXME and these two registers should be documented. */
+                cx_write(CLK_DELAY, cx_read(CLK_DELAY) | 0x80000011);
+                cx_write(ALT_PIN_OUT_SEL, 0x10100045);
+        }
+
         switch(dev->bridge) {
         case CX23885_BRIDGE_885:
         case CX23885_BRIDGE_887:
@@ -1094,6 +1113,9 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 
         cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
 
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+                cx23885_av_clk(dev, 1);
+
         if (debug > 4)
                 cx23885_tsport_reg_dump(port);
 
@@ -1103,12 +1125,32 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 static int cx23885_stop_dma(struct cx23885_tsport *port)
 {
         struct cx23885_dev *dev = port->dev;
+        u32 reg;
+
         dprintk(1, "%s()\n", __func__);
 
         /* Stop interrupts and DMA */
         cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val);
         cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
 
+        if (cx23885_boards[dev->board].portb & CX23885_MPEG_ENCODER) {
+
+                reg = cx_read(PAD_CTRL);
+
+                /* Set TS1_OE */
+                reg = reg | 0x1;
+
+                /* clear TS1_SOP_OE and TS1_OE_HI */
+                reg = reg & ~0xa;
+                cx_write(PAD_CTRL, reg);
+                cx_write(port->reg_src_sel, 0);
+                cx_write(port->reg_gen_ctrl, 8);
+
+        }
+
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)
+                cx23885_av_clk(dev, 0);
+
         return 0;
 }
 
@@ -1525,7 +1567,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
                "latency: %d, mmio: 0x%llx\n", dev->name,
                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
-               dev->pci_lat, (unsigned long long)pci_resource_start(pci_dev,0));
+               dev->pci_lat,
+                (unsigned long long)pci_resource_start(pci_dev, 0));
 
         pci_set_master(pci_dev);
         if (!pci_dma_supported(pci_dev, 0xffffffff)) {
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index 3928945df5f5..c6bb0a05bc1c 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -423,6 +423,29 @@ int cx23885_i2c_unregister(struct cx23885_i2c *bus)
         return 0;
 }
 
+void cx23885_av_clk(struct cx23885_dev *dev, int enable)
+{
+        /* write 0 to bus 2 addr 0x144 via i2x_xfer() */
+        char buffer[3];
+        struct i2c_msg msg;
+        dprintk(1, "%s(enabled = %d)\n", __func__, enable);
+
+        /* Register 0x144 */
+        buffer[0] = 0x01;
+        buffer[1] = 0x44;
+        if (enable == 1)
+                buffer[2] = 0x05;
+        else
+                buffer[2] = 0x00;
+
+        msg.addr = 0x44;
+        msg.flags = I2C_M_TEN;
+        msg.len = 3;
+        msg.buf = buffer;
+
+        i2c_xfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
+}
+
 /* ----------------------------------------------------------------------- */
 
 /*
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index e42b6878ba23..32af87f25e7b 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -446,6 +446,7 @@ extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
                                      void *arg);
+extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 
 /* ----------------------------------------------------------- */
 /* cx23885-417.c                                               */