[media] Add support for KWorld PC150-U ATSC hybrid tuner card

[mchehab@redhat.com: CodingStyle fixes]
Signed-off-by: Kyle Strickland <kyle@kyle.strickland.name>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

5 files changed, 182 insertions, 3 deletions

diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index 065d0f6be4a0..53aae5968ffb 100644
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -33,6 +33,7 @@
 #include "tea5767.h"
 #include "tda18271.h"
 #include "xc5000.h"
+#include "s5h1411.h"
 
 /* commly used strings */
 static char name_mute[]    = "mute";
@@ -5712,6 +5713,36 @@ struct saa7134_board saa7134_boards[] = {
                         .amux   = LINE1,
                 } },
         },
+        [SAA7134_BOARD_KWORLD_PC150U] = {
+                .name           = "Kworld PC150-U",
+                .audio_clock    = 0x00187de7,
+                .tuner_type     = TUNER_PHILIPS_TDA8290,
+                .radio_type     = UNSET,
+                .tuner_addr     = ADDR_UNSET,
+                .radio_addr     = ADDR_UNSET,
+                .mpeg           = SAA7134_MPEG_DVB,
+                .gpiomask       = 1 << 21,
+                .ts_type        = SAA7134_MPEG_TS_PARALLEL,
+                .inputs = { {
+                        .name   = name_tv,
+                        .vmux   = 1,
+                        .amux   = TV,
+                        .tv     = 1,
+                }, {
+                        .name   = name_comp,
+                        .vmux   = 3,
+                        .amux   = LINE1,
+                }, {
+                        .name   = name_svideo,
+                        .vmux   = 8,
+                        .amux   = LINE2,
+                } },
+                .radio = {
+                        .name   = name_radio,
+                        .amux   = TV,
+                        .gpio   = 0x0000000,
+                },
+        },
 
 };
 
@@ -6306,6 +6337,12 @@ struct pci_device_id saa7134_pci_tbl[] = {
                 .driver_data  = SAA7134_BOARD_KWORLD_ATSC110, /* ATSC 115 */
         },{
                 .vendor       = PCI_VENDOR_ID_PHILIPS,
+                .device       = PCI_DEVICE_ID_PHILIPS_SAA7133, /* SAA7135HL */
+                .subvendor    = 0x17de,
+                .subdevice    = 0xa134,
+                .driver_data  = SAA7134_BOARD_KWORLD_PC150U,
+        }, {
+                .vendor       = PCI_VENDOR_ID_PHILIPS,
                 .device       = PCI_DEVICE_ID_PHILIPS_SAA7134,
                 .subvendor    = 0x1461,
                 .subdevice    = 0x7360,
@@ -7134,6 +7171,23 @@ static inline int saa7134_kworld_sbtvd_toggle_agc(struct saa7134_dev *dev,
         return 0;
 }
 
+static int saa7134_kworld_pc150u_toggle_agc(struct saa7134_dev *dev,
+                                            enum tda18271_mode mode)
+{
+        switch (mode) {
+        case TDA18271_ANALOG:
+                saa7134_set_gpio(dev, 18, 0);
+                break;
+        case TDA18271_DIGITAL:
+                saa7134_set_gpio(dev, 18, 1);
+                msleep(30);
+                break;
+        default:
+                return -EINVAL;
+        }
+        return 0;
+}
+
 static int saa7134_tda8290_18271_callback(struct saa7134_dev *dev,
                                           int command, int arg)
 {
@@ -7150,6 +7204,9 @@ static int saa7134_tda8290_18271_callback(struct saa7134_dev *dev,
                 case SAA7134_BOARD_KWORLD_PCI_SBTVD_FULLSEG:
                         ret = saa7134_kworld_sbtvd_toggle_agc(dev, arg);
                         break;
+                case SAA7134_BOARD_KWORLD_PC150U:
+                        ret = saa7134_kworld_pc150u_toggle_agc(dev, arg);
+                        break;
                 default:
                         break;
                 }
@@ -7171,6 +7228,7 @@ static int saa7134_tda8290_callback(struct saa7134_dev *dev,
         case SAA7134_BOARD_HAUPPAUGE_HVR1120:
         case SAA7134_BOARD_AVERMEDIA_M733A:
         case SAA7134_BOARD_KWORLD_PCI_SBTVD_FULLSEG:
+        case SAA7134_BOARD_KWORLD_PC150U:
         case SAA7134_BOARD_MAGICPRO_PROHDTV_PRO2:
                 /* tda8290 + tda18271 */
                 ret = saa7134_tda8290_18271_callback(dev, command, arg);
@@ -7452,6 +7510,7 @@ int saa7134_board_init1(struct saa7134_dev *dev)
         case SAA7134_BOARD_BEHOLD_X7:
         case SAA7134_BOARD_BEHOLD_H7:
         case SAA7134_BOARD_BEHOLD_A7:
+        case SAA7134_BOARD_KWORLD_PC150U:
                 dev->has_remote = SAA7134_REMOTE_I2C;
                 break;
         case SAA7134_BOARD_AVERMEDIA_A169_B:
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 089fa0fb5c94..aaa5c97a7216 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -61,6 +61,7 @@
 #include "zl10036.h"
 #include "zl10039.h"
 #include "mt312.h"
+#include "s5h1411.h"
 
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 MODULE_LICENSE("GPL");
@@ -1158,6 +1159,33 @@ static struct tda18271_config prohdtv_pro2_tda18271_config = {
         .output_opt = TDA18271_OUTPUT_LT_OFF,
 };
 
+static struct tda18271_std_map kworld_tda18271_std_map = {
+        .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 3,
+                      .if_lvl = 6, .rfagc_top = 0x37 },
+        .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 0,
+                      .if_lvl = 6, .rfagc_top = 0x37 },
+};
+
+static struct tda18271_config kworld_pc150u_tda18271_config = {
+        .std_map = &kworld_tda18271_std_map,
+        .gate    = TDA18271_GATE_ANALOG,
+        .output_opt = TDA18271_OUTPUT_LT_OFF,
+        .config  = 3,   /* Use tuner callback for AGC */
+        .rf_cal_on_startup = 1
+};
+
+static struct s5h1411_config kworld_s5h1411_config = {
+        .output_mode   = S5H1411_PARALLEL_OUTPUT,
+        .gpio          = S5H1411_GPIO_OFF,
+        .qam_if        = S5H1411_IF_4000,
+        .vsb_if        = S5H1411_IF_3250,
+        .inversion     = S5H1411_INVERSION_ON,
+        .status_mode   = S5H1411_DEMODLOCKING,
+        .mpeg_timing   =
+                S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
+
 /* ==================================================================
  * Core code
  */
@@ -1438,6 +1466,22 @@ static int dvb_init(struct saa7134_dev *dev)
                                    &dev->i2c_adap, 0x61,
                                    TUNER_PHILIPS_TUV1236D);
                 break;
+        case SAA7134_BOARD_KWORLD_PC150U:
+                saa7134_set_gpio(dev, 18, 1); /* Switch to digital mode */
+                saa7134_tuner_callback(dev, 0,
+                                       TDA18271_CALLBACK_CMD_AGC_ENABLE, 1);
+                fe0->dvb.frontend = dvb_attach(s5h1411_attach,
+                                               &kworld_s5h1411_config,
+                                               &dev->i2c_adap);
+                if (fe0->dvb.frontend != NULL) {
+                        dvb_attach(tda829x_attach, fe0->dvb.frontend,
+                                   &dev->i2c_adap, 0x4b,
+                                   &tda829x_no_probe);
+                        dvb_attach(tda18271_attach, fe0->dvb.frontend,
+                                   0x60, &dev->i2c_adap,
+                                   &kworld_pc150u_tda18271_config);
+                }
+                break;
         case SAA7134_BOARD_FLYDVBS_LR300:
                 fe0->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
                                                &dev->i2c_adap);
diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c
index 2d3f6d265bbf..a176ec3285e0 100644
--- a/drivers/media/video/saa7134/saa7134-i2c.c
+++ b/drivers/media/video/saa7134/saa7134-i2c.c
@@ -254,7 +254,9 @@ static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap,
                         addr  = msgs[i].addr << 1;
                         if (msgs[i].flags & I2C_M_RD)
                                 addr |= 1;
-                        if (i > 0 && msgs[i].flags & I2C_M_RD && msgs[i].addr != 0x40) {
+                        if (i > 0 && msgs[i].flags &
+                            I2C_M_RD && msgs[i].addr != 0x40 &&
+                            msgs[i].addr != 0x19) {
                                 /* workaround for a saa7134 i2c bug
                                  * needed to talk to the mt352 demux
                                  * thanks to pinnacle for the hint */
@@ -279,6 +281,16 @@ static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap,
                                 d1printk("%02x", rc);
                                 msgs[i].buf[byte] = rc;
                         }
+                        /* discard mysterious extra byte when reading
+                           from Samsung S5H1411.  i2c bus gets error
+                           if we do not. */
+                        if (0x19 == msgs[i].addr) {
+                                d1printk(" ?");
+                                rc = i2c_recv_byte(dev);
+                                if (rc < 0)
+                                        goto err;
+                                d1printk("%02x", rc);
+                        }
                 } else {
                         /* write bytes */
                         d2printk("write bytes\n");
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index 22ecd7297d2d..48d2878699b7 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -210,6 +210,54 @@ static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
         return 1;
 }
 
+/* copied and modified from get_key_msi_tvanywhere_plus() */
+static int get_key_kworld_pc150u(struct IR_i2c *ir, u32 *ir_key,
+                                        u32 *ir_raw)
+{
+        unsigned char b;
+        unsigned int gpio;
+
+        /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
+        struct saa7134_dev *dev = ir->c->adapter->algo_data;
+        if (dev == NULL) {
+                i2cdprintk("get_key_kworld_pc150u: "
+                           "ir->c->adapter->algo_data is NULL!\n");
+                return -EIO;
+        }
+
+        /* rising SAA7134_GPIO_GPRESCAN reads the status */
+
+        saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+        saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+
+        gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
+
+        /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
+           I2C receive if gpio&0x100 is not low. */
+
+        if (gpio & 0x100)
+                return 0;       /* No button press */
+
+        /* GPIO says there is a button press. Get it. */
+
+        if (1 != i2c_master_recv(ir->c, &b, 1)) {
+                i2cdprintk("read error\n");
+                return -EIO;
+        }
+
+        /* No button press */
+
+        if (b == 0xff)
+                return 0;
+
+        /* Button pressed */
+
+        dprintk("get_key_kworld_pc150u: Key = 0x%02X\n", b);
+        *ir_key = b;
+        *ir_raw = b;
+        return 1;
+}
+
 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 {
         unsigned char b;
@@ -901,6 +949,21 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
                         msg_msi.addr, dev->i2c_adap.name,
                         (1 == rc) ? "yes" : "no");
                 break;
+        case SAA7134_BOARD_KWORLD_PC150U:
+                /* copied and modified from MSI TV@nywhere Plus */
+                dev->init_data.name = "Kworld PC150-U";
+                dev->init_data.get_key = get_key_kworld_pc150u;
+                dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
+                info.addr = 0x30;
+                /* MSI TV@nywhere Plus controller doesn't seem to
+                   respond to probes unless we read something from
+                   an existing device. Weird...
+                   REVISIT: might no longer be needed */
+                rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
+                dprintk("probe 0x%02x @ %s: %s\n",
+                        msg_msi.addr, dev->i2c_adap.name,
+                        (1 == rc) ? "yes" : "no");
+                break;
         case SAA7134_BOARD_HAUPPAUGE_HVR1110:
                 dev->init_data.name = "HVR 1110";
                 dev->init_data.get_key = get_key_hvr1110;
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 42fba4f93c72..f625060e6a0f 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -126,8 +126,8 @@ struct saa7134_card_ir {
         unsigned                users;
 
         u32                     polling;
-        u32                     last_gpio;
-        u32                     mask_keycode, mask_keydown, mask_keyup;
+        u32                     last_gpio;
+        u32                     mask_keycode, mask_keydown, mask_keyup;
 
         bool                    running;
         bool                    active;
@@ -331,6 +331,7 @@ struct saa7134_card_ir {
 #define SAA7134_BOARD_BEHOLD_501            186
 #define SAA7134_BOARD_BEHOLD_503FM          187
 #define SAA7134_BOARD_SENSORAY811_911       188
+#define SAA7134_BOARD_KWORLD_PC150U         189
 
 #define SAA7134_MAXBOARDS 32
 #define SAA7134_INPUT_MAX 8