@@ -20,6 +20,7 @@
*/
#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -50,11 +51,12 @@
#define UNSET (-1U)
-#define DM1105_BOARD_NOAUTO UNSET
-#define DM1105_BOARD_UNKNOWN 0
-#define DM1105_BOARD_DVBWORLD_2002 1
-#define DM1105_BOARD_DVBWORLD_2004 2
-#define DM1105_BOARD_AXESS_DM05 3
+#define DM1105_BOARD_NOAUTO UNSET
+#define DM1105_BOARD_UNKNOWN 0
+#define DM1105_BOARD_DVBWORLD_2002 1
+#define DM1105_BOARD_DVBWORLD_2004 2
+#define DM1105_BOARD_AXESS_DM05 3
+#define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO 4
/* ----------------------------------------------- */
/*
@@ -158,22 +160,38 @@
#define DM1105_MAX 0x04
#define DRIVER_NAME "dm1105"
+#define DM1105_I2C_GPIO_NAME "dm1105-gpio"
#define DM1105_DMA_PACKETS 47
#define DM1105_DMA_PACKET_LENGTH (128*4)
#define DM1105_DMA_BYTES (128 * 4 * DM1105_DMA_PACKETS)
+/* */
+#define GPIO08 (1 << 8)
+#define GPIO13 (1 << 13)
+#define GPIO14 (1 << 14)
+#define GPIO15 (1 << 15)
+#define GPIO16 (1 << 16)
+#define GPIO17 (1 << 17)
+#define GPIO_ALL 0x03ffff
+
/* GPIO's for LNB power control */
-#define DM1105_LNB_MASK 0x00000000
-#define DM1105_LNB_OFF 0x00020000
-#define DM1105_LNB_13V 0x00010100
-#define DM1105_LNB_18V 0x00000100
+#define DM1105_LNB_MASK (GPIO_ALL & ~(GPIO14 | GPIO13))
+#define DM1105_LNB_OFF GPIO17
+#define DM1105_LNB_13V (GPIO16 | GPIO08)
+#define DM1105_LNB_18V GPIO08
/* GPIO's for LNB power control for Axess DM05 */
-#define DM05_LNB_MASK 0x00000000
-#define DM05_LNB_OFF 0x00020000/* actually 13v */
-#define DM05_LNB_13V 0x00020000
-#define DM05_LNB_18V 0x00030000
+#define DM05_LNB_MASK (GPIO_ALL & ~(GPIO14 | GPIO13))
+#define DM05_LNB_OFF GPIO17/* actually 13v */
+#define DM05_LNB_13V GPIO17
+#define DM05_LNB_18V (GPIO17 | GPIO16)
+
+/* GPIO's for LNB power control for unbranded with I2C on GPIO */
+#define UNBR_LNB_MASK (GPIO17 | GPIO16)
+#define UNBR_LNB_OFF 0
+#define UNBR_LNB_13V GPIO17
+#define UNBR_LNB_18V (GPIO17 | GPIO16)
static unsigned int card[] = {[0 ... 3] = UNSET };
module_param_array(card, int, NULL, 0444);
@@ -188,7 +206,11 @@
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
struct dm1105_board {
- char *name;
+ char *name;
+ struct {
+ u32 mask, off, v13, v18;
+ } lnb;
+ u32 gpio_scl, gpio_sda;
};
struct dm1105_subid {
@@ -200,15 +222,50 @@
static const struct dm1105_board dm1105_boards[] = {
[DM1105_BOARD_UNKNOWN] = {
.name = "UNKNOWN/GENERIC",
+ .lnb = {
+ .mask = DM1105_LNB_MASK,
+ .off = DM1105_LNB_OFF,
+ .v13 = DM1105_LNB_13V,
+ .v18 = DM1105_LNB_18V,
+ },
},
[DM1105_BOARD_DVBWORLD_2002] = {
.name = "DVBWorld PCI 2002",
+ .lnb = {
+ .mask = DM1105_LNB_MASK,
+ .off = DM1105_LNB_OFF,
+ .v13 = DM1105_LNB_13V,
+ .v18 = DM1105_LNB_18V,
+ },
},
[DM1105_BOARD_DVBWORLD_2004] = {
.name = "DVBWorld PCI 2004",
+ .lnb = {
+ .mask = DM1105_LNB_MASK,
+ .off = DM1105_LNB_OFF,
+ .v13 = DM1105_LNB_13V,
+ .v18 = DM1105_LNB_18V,
+ },
},
[DM1105_BOARD_AXESS_DM05] = {
.name = "Axess/EasyTv DM05",
+ .lnb = {
+ .mask = DM05_LNB_MASK,
+ .off = DM05_LNB_OFF,
+ .v13 = DM05_LNB_13V,
+ .v18 = DM05_LNB_18V,
+ },
+ },
+ [DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
+ .name = "Unbranded DM1105 with i2c on GPIOs",
+ .lnb = {
+ .mask = UNBR_LNB_MASK,
+ .off = UNBR_LNB_OFF,
+ .v13 = UNBR_LNB_13V,
+ .v18 = UNBR_LNB_18V,
+ },
+ .gpio_scl = GPIO14,
+ .gpio_sda = GPIO13,
},
};
@@ -294,6 +351,8 @@
/* i2c */
struct i2c_adapter i2c_adap;
+ struct i2c_adapter i2c_bb_adap;
+ struct i2c_algo_bit_data i2c_bit;
/* irq */
struct work_struct work;
@@ -329,6 +388,103 @@
#define dm_setl(reg, bit) dm_andorl((reg), (bit), (bit))
#define dm_clearl(reg, bit) dm_andorl((reg), (bit), 0)
+/* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
+ so we can use only 3 GPIO's from GPIO15 to GPIO17.
+ Here I don't check whether HOST is enebled as it is not implemented yet.
+ */
+static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
+{
+ if (mask & 0xfffc0000)
+ printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
+
+ if (mask & 0x0003ffff)
+ dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);
+
+}
+
+static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
+{
+ if (mask & 0xfffc0000)
+ printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
+
+ if (mask & 0x0003ffff)
+ dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);
+
+}
+
+static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
+{
+ if (mask & 0xfffc0000)
+ printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
+
+ if (mask & 0x0003ffff)
+ dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);
+
+}
+
+static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
+{
+ if (mask & 0xfffc0000)
+ printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
+
+ if (mask & 0x0003ffff)
+ return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;
+
+ return 0;
+}
+
+static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
+{
+ if (mask & 0xfffc0000)
+ printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);
+
+ if ((mask & 0x0003ffff) && asoutput)
+ dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
+ else if ((mask & 0x0003ffff) && !asoutput)
+ dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);
+
+}
+
+static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
+{
+ if (state)
+ dm1105_gpio_enable(dev, line, 0);
+ else {
+ dm1105_gpio_enable(dev, line, 1);
+ dm1105_gpio_clear(dev, line);
+ }
+}
+
+static void dm1105_setsda(void *data, int state)
+{
+ struct dm1105_dev *dev = data;
+
+ dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
+}
+
+static void dm1105_setscl(void *data, int state)
+{
+ struct dm1105_dev *dev = data;
+
+ dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
+}
+
+static int dm1105_getsda(void *data)
+{
+ struct dm1105_dev *dev = data;
+
+ return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
+ ? 1 : 0;
+}
+
+static int dm1105_getscl(void *data)
+{
+ struct dm1105_dev *dev = data;
+
+ return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
+ ? 1 : 0;
+}
+
static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
@@ -440,31 +596,20 @@
static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);
- u32 lnb_mask, lnb_13v, lnb_18v, lnb_off;
- switch (dev->boardnr) {
- case DM1105_BOARD_AXESS_DM05:
- lnb_mask = DM05_LNB_MASK;
- lnb_off = DM05_LNB_OFF;
- lnb_13v = DM05_LNB_13V;
- lnb_18v = DM05_LNB_18V;
- break;
- case DM1105_BOARD_DVBWORLD_2002:
- case DM1105_BOARD_DVBWORLD_2004:
- default:
- lnb_mask = DM1105_LNB_MASK;
- lnb_off = DM1105_LNB_OFF;
- lnb_13v = DM1105_LNB_13V;
- lnb_18v = DM1105_LNB_18V;
- }
-
- dm_writel(DM1105_GPIOCTR, lnb_mask);
+ dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
if (voltage == SEC_VOLTAGE_18)
- dm_writel(DM1105_GPIOVAL, lnb_18v);
+ dm1105_gpio_andor(dev,
+ dm1105_boards[dev->boardnr].lnb.mask,
+ dm1105_boards[dev->boardnr].lnb.v18);
else if (voltage == SEC_VOLTAGE_13)
- dm_writel(DM1105_GPIOVAL, lnb_13v);
+ dm1105_gpio_andor(dev,
+ dm1105_boards[dev->boardnr].lnb.mask,
+ dm1105_boards[dev->boardnr].lnb.v13);
else
- dm_writel(DM1105_GPIOVAL, lnb_off);
+ dm1105_gpio_andor(dev,
+ dm1105_boards[dev->boardnr].lnb.mask,
+ dm1105_boards[dev->boardnr].lnb.off);
return 0;
}
@@ -740,6 +885,38 @@
int ret;
switch (dev->boardnr) {
+ case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
+ dm1105_gpio_enable(dev, GPIO15, 1);
+ dm1105_gpio_clear(dev, GPIO15);
+ msleep(100);
+ dm1105_gpio_set(dev, GPIO15);
+ msleep(200);
+ dev->fe = dvb_attach(
+ stv0299_attach, &sharp_z0194a_config,
+ &dev->i2c_bb_adap);
+ if (dev->fe) {
+ dev->fe->ops.set_voltage = dm1105_set_voltage;
+ dvb_attach(dvb_pll_attach, dev->fe, 0x60,
+ &dev->i2c_bb_adap, DVB_PLL_OPERA1);
+ break;
+ }
+
+ dev->fe = dvb_attach(
+ stv0288_attach, &earda_config,
+ &dev->i2c_bb_adap);
+ if (dev->fe) {
+ dev->fe->ops.set_voltage = dm1105_set_voltage;
+ dvb_attach(stb6000_attach, dev->fe, 0x61,
+ &dev->i2c_bb_adap);
+ break;
+ }
+
+ dev->fe = dvb_attach(
+ si21xx_attach, &serit_config,
+ &dev->i2c_bb_adap);
+ if (dev->fe)
+ dev->fe->ops.set_voltage = dm1105_set_voltage;
+ break;
case DM1105_BOARD_DVBWORLD_2004:
dev->fe = dvb_attach(
cx24116_attach, &serit_sp2633_config,
@@ -903,11 +1080,33 @@
if (ret < 0)
goto err_dm1105_hw_exit;
+ i2c_set_adapdata(&dev->i2c_bb_adap, dev);
+ strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
+ dev->i2c_bb_adap.owner = THIS_MODULE;
+ dev->i2c_bb_adap.class = I2C_CLASS_TV_DIGITAL;
+ dev->i2c_bb_adap.dev.parent = &pdev->dev;
+ dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
+ dev->i2c_bit.data = dev;
+ dev->i2c_bit.setsda = dm1105_setsda;
+ dev->i2c_bit.setscl = dm1105_setscl;
+ dev->i2c_bit.getsda = dm1105_getsda;
+ dev->i2c_bit.getscl = dm1105_getscl;
+ dev->i2c_bit.udelay = 10;
+ dev->i2c_bit.timeout = 10;
+
+ /* Raise SCL and SDA */
+ dm1105_setsda(dev, 1);
+ dm1105_setscl(dev, 1);
+
+ ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
+ if (ret < 0)
+ goto err_i2c_del_adapter;
+
/* dvb */
ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
THIS_MODULE, &pdev->dev, adapter_nr);
if (ret < 0)
- goto err_i2c_del_adapter;
+ goto err_i2c_del_adapters;
dvb_adapter = &dev->dvb_adapter;
@@ -989,6 +1188,8 @@
dvb_dmx_release(dvbdemux);
err_dvb_unregister_adapter:
dvb_unregister_adapter(dvb_adapter);
+err_i2c_del_adapters:
+ i2c_del_adapter(&dev->i2c_bb_adap);
err_i2c_del_adapter:
i2c_del_adapter(&dev->i2c_adap);
err_dm1105_hw_exit: