V4L/DVB (5719): Tuner: Move device-specific private data out of tuner struct

Create private data struct for device specific private data.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 65 insertions, 40 deletions

diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index 1a1bef0e9c3d..7bdf968bf6e5 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -25,6 +25,16 @@
 
 /* ---------------------------------------------------------------------- */
 
+struct tda8290_priv {
+        unsigned char tda8290_easy_mode;
+        unsigned char tda827x_lpsel;
+        unsigned char tda827x_addr;
+        unsigned char tda827x_ver;
+        unsigned int sgIF;
+};
+
+/* ---------------------------------------------------------------------- */
+
 struct tda827x_data {
         u32 lomax;
         u8  spd;
@@ -76,7 +86,8 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         u32 N;
         int i;
         struct tuner *t = i2c_get_clientdata(c);
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0};
+        struct tda8290_priv *priv = t->priv;
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
 
         if (t->mode == V4L2_TUNER_RADIO)
                 freq = freq / 1000;
@@ -95,7 +106,7 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         tuner_reg[1] = (unsigned char)(N>>8);
         tuner_reg[2] = (unsigned char) N;
         tuner_reg[3] = 0x40;
-        tuner_reg[4] = 0x52 + (t->tda827x_lpsel << 5);
+        tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5);
         tuner_reg[5] = (tda827x_analog[i].spd   << 6) + (tda827x_analog[i].div1p5 <<5) +
                        (tda827x_analog[i].bs     <<3) +  tda827x_analog[i].bp;
         tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4);
@@ -146,8 +157,9 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
 static void tda827x_agcf(struct i2c_client *c)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
         unsigned char data[] = {0x80, 0x0c};
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data,
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
                               .flags = 0, .len = 2};
         i2c_transfer(c->adapter, &msg, 1);
 }
@@ -234,7 +246,8 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         u32 N;
         int i;
         struct tuner *t = i2c_get_clientdata(c);
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0, .buf = tuner_reg};
+        struct tda8290_priv *priv = t->priv;
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg};
 
         tda827xa_lna_gain( c, 1);
         msleep(10);
@@ -271,7 +284,7 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         tuner_reg[1] = 0xff;
         tuner_reg[2] = 0xe0;
         tuner_reg[3] = 0;
-        tuner_reg[4] = 0x99 + (t->tda827x_lpsel << 1);
+        tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1);
         msg.len = 5;
         i2c_transfer(c->adapter, &msg, 1);
 
@@ -311,15 +324,16 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         i2c_transfer(c->adapter, &msg, 1);
 
         tuner_reg[0] = 0xc0;
-        tuner_reg[1] = 0x19 + (t->tda827x_lpsel << 1);
+        tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1);
         i2c_transfer(c->adapter, &msg, 1);
 }
 
 static void tda827xa_agcf(struct i2c_client *c)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
         unsigned char data[] = {0x80, 0x2c};
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data,
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
                               .flags = 0, .len = 2};
         i2c_transfer(c->adapter, &msg, 1);
 }
@@ -347,8 +361,9 @@ static void tda8290_i2c_bridge(struct i2c_client *c, int close)
 static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
         unsigned char soft_reset[]  = { 0x00, 0x00 };
-        unsigned char easy_mode[]   = { 0x01, t->tda8290_easy_mode };
+        unsigned char easy_mode[]   = { 0x01, priv->tda8290_easy_mode };
         unsigned char expert_mode[] = { 0x01, 0x80 };
         unsigned char agc_out_on[]  = { 0x02, 0x00 };
         unsigned char gainset_off[] = { 0x28, 0x14 };
@@ -375,18 +390,18 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         i2c_master_send(c, soft_reset, 2);
         msleep(1);
 
-        expert_mode[1] = t->tda8290_easy_mode + 0x80;
+        expert_mode[1] = priv->tda8290_easy_mode + 0x80;
         i2c_master_send(c, expert_mode, 2);
         i2c_master_send(c, gainset_off, 2);
         i2c_master_send(c, if_agc_spd, 2);
-        if (t->tda8290_easy_mode & 0x60)
+        if (priv->tda8290_easy_mode & 0x60)
                 i2c_master_send(c, adc_head_9, 2);
         else
                 i2c_master_send(c, adc_head_6, 2);
         i2c_master_send(c, pll_bw_nom, 2);
 
         tda8290_i2c_bridge(c, 1);
-        if (t->tda827x_ver != 0)
+        if (priv->tda827x_ver != 0)
                 tda827xa_tune(c, ifc, freq);
         else
                 tda827x_tune(c, ifc, freq);
@@ -418,7 +433,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
                 if ((agc_stat > 115) || !(pll_stat & 0x80)) {
                         tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
                                    agc_stat, pll_stat & 0x80);
-                        if (t->tda827x_ver != 0)
+                        if (priv->tda827x_ver != 0)
                                 tda827xa_agcf(c);
                         else
                                 tda827x_agcf(c);
@@ -437,7 +452,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
         }
 
         /* l/ l' deadlock? */
-        if(t->tda8290_easy_mode & 0x60) {
+        if(priv->tda8290_easy_mode & 0x60) {
                 i2c_master_send(c, &addr_adc_sat, 1);
                 i2c_master_recv(c, &adc_sat, 1);
                 i2c_master_send(c, &addr_pll_stat, 1);
@@ -459,41 +474,42 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
 
 static void set_audio(struct tuner *t)
 {
+        struct tda8290_priv *priv = t->priv;
         char* mode;
 
-        t->tda827x_lpsel = 0;
+        priv->tda827x_lpsel = 0;
         if (t->std & V4L2_STD_MN) {
-                t->sgIF = 92;
-                t->tda8290_easy_mode = 0x01;
-                t->tda827x_lpsel = 1;
+                priv->sgIF = 92;
+                priv->tda8290_easy_mode = 0x01;
+                priv->tda827x_lpsel = 1;
                 mode = "MN";
         } else if (t->std & V4L2_STD_B) {
-                t->sgIF = 108;
-                t->tda8290_easy_mode = 0x02;
+                priv->sgIF = 108;
+                priv->tda8290_easy_mode = 0x02;
                 mode = "B";
         } else if (t->std & V4L2_STD_GH) {
-                t->sgIF = 124;
-                t->tda8290_easy_mode = 0x04;
+                priv->sgIF = 124;
+                priv->tda8290_easy_mode = 0x04;
                 mode = "GH";
         } else if (t->std & V4L2_STD_PAL_I) {
-                t->sgIF = 124;
-                t->tda8290_easy_mode = 0x08;
+                priv->sgIF = 124;
+                priv->tda8290_easy_mode = 0x08;
                 mode = "I";
         } else if (t->std & V4L2_STD_DK) {
-                t->sgIF = 124;
-                t->tda8290_easy_mode = 0x10;
+                priv->sgIF = 124;
+                priv->tda8290_easy_mode = 0x10;
                 mode = "DK";
         } else if (t->std & V4L2_STD_SECAM_L) {
-                t->sgIF = 124;
-                t->tda8290_easy_mode = 0x20;
+                priv->sgIF = 124;
+                priv->tda8290_easy_mode = 0x20;
                 mode = "L";
         } else if (t->std & V4L2_STD_SECAM_LC) {
-                t->sgIF = 20;
-                t->tda8290_easy_mode = 0x40;
+                priv->sgIF = 20;
+                priv->tda8290_easy_mode = 0x40;
                 mode = "LC";
         } else {
-                t->sgIF = 124;
-                t->tda8290_easy_mode = 0x10;
+                priv->sgIF = 124;
+                priv->tda8290_easy_mode = 0x10;
                 mode = "xx";
         }
         tuner_dbg("setting tda8290 to system %s\n", mode);
@@ -502,9 +518,10 @@ static void set_audio(struct tuner *t)
 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
 
         set_audio(t);
-        tda8290_tune(c, t->sgIF, freq);
+        tda8290_tune(c, priv->sgIF, freq);
 }
 
 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
@@ -528,13 +545,14 @@ static int has_signal(struct i2c_client *c)
 static void standby(struct i2c_client *c)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
         unsigned char cb1[] = { 0x30, 0xD0 };
         unsigned char tda8290_standby[] = { 0x00, 0x02 };
         unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
 
         tda8290_i2c_bridge(c, 1);
-        if (t->tda827x_ver != 0)
+        if (priv->tda827x_ver != 0)
                 cb1[1] = 0x90;
         i2c_transfer(c->adapter, &msg, 1);
         tda8290_i2c_bridge(c, 0);
@@ -560,13 +578,14 @@ static void tda8290_init_if(struct i2c_client *c)
 static void tda8290_init_tuner(struct i2c_client *c)
 {
         struct tuner *t = i2c_get_clientdata(c);
+        struct tda8290_priv *priv = t->priv;
         unsigned char tda8275_init[]  = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
                                           0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
         unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
                                           0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b };
-        struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0,
+        struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0,
                               .buf=tda8275_init, .len = 14};
-        if (t->tda827x_ver != 0)
+        if (priv->tda827x_ver != 0)
                 msg.buf = tda8275a_init;
 
         tda8290_i2c_bridge(c, 1);
@@ -578,12 +597,18 @@ static void tda8290_init_tuner(struct i2c_client *c)
 
 int tda8290_init(struct i2c_client *c)
 {
+        struct tda8290_priv *priv = NULL;
         struct tuner *t = i2c_get_clientdata(c);
         u8 data;
         int i, ret, tuners_found;
         u32 tuner_addrs;
         struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1};
 
+        priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
+        if (priv == NULL)
+                return -ENOMEM;
+        t->priv = priv;
+
         tda8290_i2c_bridge(c, 1);
         /* probe for tuner chip */
         tuners_found = 0;
@@ -618,7 +643,7 @@ int tda8290_init(struct i2c_client *c)
                 tuner_addrs = tuner_addrs & 0xff;
                 tuner_info ("setting tuner address to %x\n", tuner_addrs);
         }
-        t->tda827x_addr = tuner_addrs;
+        priv->tda827x_addr = tuner_addrs;
         msg.addr = tuner_addrs;
 
         tda8290_i2c_bridge(c, 1);
@@ -627,10 +652,10 @@ int tda8290_init(struct i2c_client *c)
                 tuner_warn ("TDA827x access failed!\n");
         if ((data & 0x3c) == 0) {
                 strlcpy(c->name, "tda8290+75", sizeof(c->name));
-                t->tda827x_ver = 0;
+                priv->tda827x_ver = 0;
         } else {
                 strlcpy(c->name, "tda8290+75a", sizeof(c->name));
-                t->tda827x_ver = 2;
+                priv->tda827x_ver = 2;
         }
         tuner_info("type set to %s\n", c->name);
 
@@ -638,7 +663,7 @@ int tda8290_init(struct i2c_client *c)
         t->set_radio_freq = set_radio_freq;
         t->has_signal = has_signal;
         t->standby = standby;
-        t->tda827x_lpsel = 0;
+        priv->tda827x_lpsel = 0;
         t->mode = V4L2_TUNER_ANALOG_TV;
 
         tda8290_init_tuner(c);