V4L/DVB (4772): Add support for DiBcom DiB7000PC

This patch contains support for the DiB7000PC-driver.
Signed-off-by: NFrancois KANOUNNIKOFF <fkanounnikoff@dibcom.fr>
Signed-off-by: NPatrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/dvb-usb/Kconfig

@@ -69,6 +69,7 @@ config DVB_USB_DIBUSB_MC
 config DVB_USB_DIB0700
 	tristate "DiBcom DiB0700 USB DVB devices (see help for supported devices)"
 	depends on DVB_USB
+	select DVB_DIB7000P
 	select DVB_DIB7000M
 	select DVB_DIB3000MC
 	select DVB_TUNER_MT2060 if !DVB_FE_CUSTOMISE

drivers/media/dvb/dvb-usb/dib0700.h

@@ -24,18 +24,23 @@ extern int dvb_usb_dib0700_debug;
 #define REQUEST_I2C_WRITE    0x3
 #define REQUEST_POLL_RC      0x4
 #define REQUEST_JUMPRAM      0x8
+#define REQUEST_SET_CLOCK    0xB
 #define REQUEST_SET_GPIO     0xC
 #define REQUEST_ENABLE_VIDEO 0xF
 	// 1 Byte: 4MSB(1 = enable streaming, 0 = disable streaming) 4LSB(Video Mode: 0 = MPEG2 188Bytes, 1 = Analog)
 	// 2 Byte: MPEG2 mode:  4MSB(1 = Master Mode, 0 = Slave Mode) 4LSB(Channel 1 = bit0, Channel 2 = bit1)
 	// 2 Byte: Analog mode: 4MSB(0 = 625 lines, 1 = 525 lines)    4LSB(     "                "           )
+#define REQUEST_GET_VERSION  0x15
 
 struct dib0700_state {
 	u8 channel_state;
 	u16 mt2060_if1[2];
+
+	u8 is_dib7000pc;
 };
 
 extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val);
+extern int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3);
 extern int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw);
 extern int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff);
 extern struct i2c_algorithm dib0700_i2c_algo;

drivers/media/dvb/dvb-usb/dib0700_core.c

@@ -135,14 +135,46 @@ struct i2c_algorithm dib0700_i2c_algo = {
 int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
 			struct dvb_usb_device_description **desc, int *cold)
 {
-	u8 buf[3] = { REQUEST_SET_GPIO, 4, (GPIO_IN << 7) | (0 << 6) }; // GPIO4 is save - used for I2C
-	*cold = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
-		buf[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, buf, 3, USB_CTRL_GET_TIMEOUT) != 3;
+	u8 b[16];
+	s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0),
+		REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT);
+
+	deb_info("FW GET_VERSION length: %d\n",ret);
+
+	*cold = ret <= 0;
 
 	deb_info("cold: %d\n", *cold);
 	return 0;
 }
 
+static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll,
+	u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv,
+	u16 pll_loopdiv, u16 free_div, u16 dsuScaler)
+{
+	u8 b[10];
+	b[0] = REQUEST_SET_CLOCK;
+	b[1] = (en_pll << 7) | (pll_src << 6) | (pll_range << 5) | (clock_gpio3 << 4);
+	b[2] = (pll_prediv >> 8)  & 0xff; // MSB
+	b[3] =  pll_prediv        & 0xff; // LSB
+	b[4] = (pll_loopdiv >> 8) & 0xff; // MSB
+	b[5] =  pll_loopdiv       & 0xff; // LSB
+	b[6] = (free_div >> 8)    & 0xff; // MSB
+	b[7] =  free_div          & 0xff; // LSB
+	b[8] = (dsuScaler >> 8)   & 0xff; // MSB
+	b[9] =  dsuScaler         & 0xff; // LSB
+
+	return dib0700_ctrl_wr(d, b, 10);
+}
+
+int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3)
+{
+	switch (clk_MHz) {
+		case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break;
+		default: return -EINVAL;
+	}
+	return 0;
+}
+
 static int dib0700_jumpram(struct usb_device *udev, u32 address)
 {
 	int ret, actlen;
@@ -197,7 +229,7 @@ int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw
 		/* start the firmware */
 		if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) {
 			info("firmware started successfully.");
-			msleep(100);
+			msleep(500);
 		}
 	} else
 		ret = -EIO;

drivers/media/dvb/dvb-usb/dib0700_devices.c

@@ -10,6 +10,7 @@
 
 #include "dib3000mc.h"
 #include "dib7000m.h"
+#include "dib7000p.h"
 #include "mt2060.h"
 
 static int force_lna_activation;
@@ -96,7 +97,7 @@ static int bristol_tuner_attach(struct dvb_usb_adapter *adap)
 }
 
 /* STK7700P: Hauppauge Nova-T Stick, AVerMedia Volar */
-static struct dibx000_agc_config stk7700p_dib7000m_agc_config = {
+static struct dibx000_agc_config stk7700p_7000m_mt2060_agc_config = {
 	BAND_UHF | BAND_VHF,       // band_caps
 
 	/* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
@@ -141,7 +142,52 @@ static struct dibx000_agc_config stk7700p_dib7000m_agc_config = {
 	},
 };
 
-static struct dibx000_bandwidth_config stk7700p_dib7000m_mt2060_config = {
+static struct dibx000_agc_config stk7700p_7000p_mt2060_agc_config = {
+	BAND_UHF | BAND_VHF,
+
+	/* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
+	 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=2, P_agc_write=0 */
+	(0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), // setup
+
+	712, // inv_gain
+	41,  // time_stabiliz
+
+	0,   // alpha_level
+	118, // thlock
+
+	0,    // wbd_inv
+	4095, // wbd_ref
+	0,    // wbd_sel
+	0,    // wbd_alpha
+
+	42598, // agc1_max
+	16384, // agc1_min
+	42598, // agc2_max
+	    0, // agc2_min
+
+	  0,   // agc1_pt1
+	137,   // agc1_pt2
+	255,   // agc1_pt3
+
+	  0,   // agc1_slope1
+	255,   // agc1_slope2
+
+	0,     // agc2_pt1
+	0,     // agc2_pt2
+
+	 0,    // agc2_slope1
+	41,    // agc2_slope2
+
+	15, // alpha_mant
+	25, // alpha_exp
+
+	28, // beta_mant
+	48, // beta_exp
+
+	0, // perform_agc_softsplit
+};
+
+static struct dibx000_bandwidth_config stk7700p_pll_config = {
 	60000, 30000, // internal, sampling
 	1, 8, 3, 1, 0, // pll_cfg: prediv, ratio, range, reset, bypass
 	0, 0, 1, 1, 0, // misc: refdiv, bypclk_div, IO_CLK_en_core, ADClkSrc, modulo
@@ -156,8 +202,19 @@ static struct dib7000m_config stk7700p_dib7000m_config = {
 	.quartz_direct = 1,
 
 	.agc_config_count = 1,
-	.agc = &stk7700p_dib7000m_agc_config,
-	.bw  = &stk7700p_dib7000m_mt2060_config,
+	.agc = &stk7700p_7000m_mt2060_agc_config,
+	.bw  = &stk7700p_pll_config,
+
+	.gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS,
+	.gpio_val = DIB7000M_GPIO_DEFAULT_VALUES,
+	.gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS,
+};
+
+static struct dib7000p_config stk7700p_dib7000p_config = {
+	.output_mpeg2_in_188_bytes = 1,
+
+	.agc = &stk7700p_7000p_mt2060_agc_config,
+	.bw  = &stk7700p_pll_config,
 
 	.gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS,
 	.gpio_val = DIB7000M_GPIO_DEFAULT_VALUES,
@@ -168,13 +225,28 @@ static int stk7700p_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	struct dib0700_state *st = adap->dev->priv;
 	/* unless there is no real power management in DVB - we leave the device on GPIO6 */
-	dib0700_set_gpio(adap->dev, GPIO6,  GPIO_OUT, 0); msleep(10);
+
+	dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
+	dib0700_set_gpio(adap->dev, GPIO6,  GPIO_OUT, 0); msleep(50);
+
 	dib0700_set_gpio(adap->dev, GPIO6,  GPIO_OUT, 1); msleep(10);
+	dib0700_set_gpio(adap->dev, GPIO9,  GPIO_OUT, 1);
+
 	dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
-	dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(10);
+	dib0700_ctrl_clock(adap->dev, 72, 1);
+	dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(100);
+
+	dib0700_set_gpio(adap->dev,  GPIO0, GPIO_OUT, 1);
 
 	st->mt2060_if1[0] = 1220;
-	return (adap->fe = dvb_attach(dib7000m_attach, &adap->dev->i2c_adap, 18, &stk7700p_dib7000m_config)) == NULL ? -ENODEV : 0;
+
+	if (dib7000pc_detection(&adap->dev->i2c_adap)) {
+		adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 18, &stk7700p_dib7000p_config);
+		st->is_dib7000pc = 1;
+	} else
+		adap->fe = dvb_attach(dib7000m_attach, &adap->dev->i2c_adap, 18, &stk7700p_dib7000m_config);
+
+	return adap->fe == NULL ? -ENODEV : 0;
 }
 
 static struct mt2060_config stk7700p_mt2060_config = {
@@ -184,8 +256,14 @@ static struct mt2060_config stk7700p_mt2060_config = {
 static int stk7700p_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	struct dib0700_state *st = adap->dev->priv;
-	struct i2c_adapter *tun_i2c = dib7000m_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
-	return dvb_attach(mt2060_attach,adap->fe, tun_i2c, &stk7700p_mt2060_config,
+	struct i2c_adapter *tun_i2c;
+
+	if (st->is_dib7000pc)
+		tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
+	else
+		tun_i2c = dib7000m_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
+
+	return dvb_attach(mt2060_attach, adap->fe, tun_i2c, &stk7700p_mt2060_config,
 		st->mt2060_if1[0]) == NULL ? -ENODEV : 0;
 }
 

drivers/media/dvb/frontends/Kconfig

@@ -180,6 +180,14 @@ config DVB_DIB7000M
 	  A DVB-T tuner module. Designed for mobile usage. Say Y when you want
 	  to support this frontend.
 
+config DVB_DIB7000P
+	tristate "DiBcom 7000PC"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-T tuner module. Designed for mobile usage. Say Y when you want
+	  to support this frontend.
+
 comment "DVB-C (cable) frontends"
 	depends on DVB_CORE
 

drivers/media/dvb/frontends/Makefile

@@ -14,6 +14,7 @@ obj-$(CONFIG_DVB_L64781) += l64781.o
 obj-$(CONFIG_DVB_DIB3000MB) += dib3000mb.o
 obj-$(CONFIG_DVB_DIB3000MC) += dib3000mc.o dibx000_common.o
 obj-$(CONFIG_DVB_DIB7000M) += dib7000m.o dibx000_common.o
+obj-$(CONFIG_DVB_DIB7000P) += dib7000p.o dibx000_common.o
 obj-$(CONFIG_DVB_MT312) += mt312.o
 obj-$(CONFIG_DVB_VES1820) += ves1820.o
 obj-$(CONFIG_DVB_VES1X93) += ves1x93.o

drivers/media/dvb/frontends/dib7000p.h

+#ifndef DIB7000P_H
+#define DIB7000P_H
+
+#include "dibx000_common.h"
+
+struct dib7000p_config {
+	u8 output_mpeg2_in_188_bytes;
+	u8 hostbus_diversity;
+	u8 tuner_is_baseband;
+	int (*update_lna) (struct dvb_frontend *, u16 agc_global);
+
+	struct dibx000_agc_config *agc;
+	struct dibx000_bandwidth_config *bw;
+
+#define DIB7000P_GPIO_DEFAULT_DIRECTIONS 0xffff
+	u16 gpio_dir;
+#define DIB7000P_GPIO_DEFAULT_VALUES     0x0000
+	u16 gpio_val;
+#define DIB7000P_GPIO_PWM_POS0(v)        ((v & 0xf) << 12)
+#define DIB7000P_GPIO_PWM_POS1(v)        ((v & 0xf) << 8 )
+#define DIB7000P_GPIO_PWM_POS2(v)        ((v & 0xf) << 4 )
+#define DIB7000P_GPIO_PWM_POS3(v)         (v & 0xf)
+#define DIB7000P_GPIO_DEFAULT_PWM_POS    0xffff
+	u16 gpio_pwm_pos;
+
+	u16 pwm_freq_div;
+
+	u8 quartz_direct;
+
+	int (*agc_control) (struct dvb_frontend *, u8 before);
+};
+
+#define DEFAULT_DIB7000P_I2C_ADDRESS 18
+
+extern struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg);
+extern struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int);
+extern int dib7000pc_detection(struct i2c_adapter *i2c_adap);
+
+/* TODO
+extern INT dib7000p_set_gpio(struct dibDemod *demod, UCHAR num, UCHAR dir, UCHAR val);
+extern INT dib7000p_enable_vbg_voltage(struct dibDemod *demod);
+extern void dib7000p_set_hostbus_diversity(struct dibDemod *demod, UCHAR onoff);
+extern USHORT dib7000p_get_current_agc_global(struct dibDemod *demod);
+*/
+
+#endif