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/*
* budget-patch.c: driver for Budget Patch,
* hardware modification of DVB-S cards enabling full TS
*
* Written by Emard <emard@softhome.net>
*
* Original idea by Roberto Deza <rdeza@unav.es>
*
* Special thanks to Holger Waechtler, Michael Hunold, Marian Durkovic
* and Metzlerbros
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*
* the project's page is at http://www.linuxtv.org/dvb/
*/
#include "av7110.h"
#include "av7110_hw.h"
#include "budget.h"
#include "stv0299.h"
#include "ves1x93.h"
#include "tda8083.h"
#define budget_patch budget
static struct saa7146_extension budget_extension;
MAKE_BUDGET_INFO(fs_1_3,"Siemens/Technotrend/Hauppauge PCI rev1.3+Budget_Patch", BUDGET_PATCH);
static struct pci_device_id pci_tbl[] = {
MAKE_EXTENSION_PCI(fs_1_3,0x13c2, 0x0000),
{
.vendor = 0,
}
};
static int budget_wdebi(struct budget_patch *budget, u32 config, int addr, u32 val, int count)
{
struct saa7146_dev *dev=budget->dev;
dprintk(2, "budget: %p\n", budget);
if (count <= 0 || count > 4)
return -1;
saa7146_write(dev, DEBI_CONFIG, config);
saa7146_write(dev, DEBI_AD, val );
saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
saa7146_write(dev, MC2, (2 << 16) | 2);
mdelay(5);
return 0;
}
static int budget_av7110_send_fw_cmd(struct budget_patch *budget, u16* buf, int length)
{
int i;
dprintk(2, "budget: %p\n", budget);
for (i = 2; i < length; i++)
budget_wdebi(budget, DEBINOSWAP, COMMAND + 2*i, (u32) buf[i], 2);
if (length)
budget_wdebi(budget, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
else
budget_wdebi(budget, DEBINOSWAP, COMMAND + 2, 0, 2);
budget_wdebi(budget, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
return 0;
}
static void av7110_set22k(struct budget_patch *budget, int state)
{
u16 buf[2] = {( COMTYPE_AUDIODAC << 8) | (state ? ON22K : OFF22K), 0};
dprintk(2, "budget: %p\n", budget);
budget_av7110_send_fw_cmd(budget, buf, 2);
}
static int av7110_send_diseqc_msg(struct budget_patch *budget, int len, u8 *msg, int burst)
{
int i;
u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) | SendDiSEqC),
16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
dprintk(2, "budget: %p\n", budget);
if (len>10)
len=10;
buf[1] = len+2;
buf[2] = len;
if (burst != -1)
buf[3]=burst ? 0x01 : 0x00;
else
buf[3]=0xffff;
for (i=0; i<len; i++)
buf[i+4]=msg[i];
budget_av7110_send_fw_cmd(budget, buf, 18);
return 0;
}
static int budget_patch_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
switch (tone) {
case SEC_TONE_ON:
av7110_set22k (budget, 1);
break;
case SEC_TONE_OFF:
av7110_set22k (budget, 0);
break;
default:
return -EINVAL;
}
return 0;
}
static int budget_patch_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
av7110_send_diseqc_msg (budget, cmd->msg_len, cmd->msg, 0);
return 0;
}
static int budget_patch_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
av7110_send_diseqc_msg (budget, 0, NULL, minicmd);
return 0;
}
static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
u8 pwr = 0;
u8 buf[4];
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
u32 div = (params->frequency + 479500) / 125;
if (params->frequency > 2000000) pwr = 3;
else if (params->frequency > 1800000) pwr = 2;
else if (params->frequency > 1600000) pwr = 1;
else if (params->frequency > 1200000) pwr = 0;
else if (params->frequency >= 1100000) pwr = 1;
else pwr = 2;
buf[0] = (div >> 8) & 0x7f;
buf[1] = div & 0xff;
buf[2] = ((div & 0x18000) >> 10) | 0x95;
buf[3] = (pwr << 6) | 0x30;
// NOTE: since we're using a prescaler of 2, we set the
// divisor frequency to 62.5kHz and divide by 125 above
if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
return 0;
}
static struct ves1x93_config alps_bsrv2_config = {
.demod_address = 0x08,
.xin = 90100000UL,
.invert_pwm = 0,
.pll_set = alps_bsrv2_pll_set,
};
static u8 alps_bsru6_inittab[] = {
0x01, 0x15,
0x02, 0x00,
0x03, 0x00,
0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */
0x06, 0x40, /* DAC not used, set to high impendance mode */
0x07, 0x00, /* DAC LSB */
0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */
0x09, 0x00, /* FIFO */
0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */
0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */
0x10, 0x3f, // AGC2 0x3d
0x11, 0x84,
0x12, 0xb5, // Lock detect: -64 Carrier freq detect:on
0x15, 0xc9, // lock detector threshold
0x16, 0x00,
0x17, 0x00,
0x18, 0x00,
0x19, 0x00,
0x1a, 0x00,
0x1f, 0x50,
0x20, 0x00,
0x21, 0x00,
0x22, 0x00,
0x23, 0x00,
0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
0x29, 0x1e, // 1/2 threshold
0x2a, 0x14, // 2/3 threshold
0x2b, 0x0f, // 3/4 threshold
0x2c, 0x09, // 5/6 threshold
0x2d, 0x05, // 7/8 threshold
0x2e, 0x01,
0x31, 0x1f, // test all FECs
0x32, 0x19, // viterbi and synchro search
0x33, 0xfc, // rs control
0x34, 0x93, // error control
0x0f, 0x52,
0xff, 0xff
};
static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
{
u8 aclk = 0;
u8 bclk = 0;
if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
stv0299_writereg (fe, 0x13, aclk);
stv0299_writereg (fe, 0x14, bclk);
stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
stv0299_writereg (fe, 0x20, (ratio >> 8) & 0xff);
stv0299_writereg (fe, 0x21, (ratio ) & 0xf0);
return 0;
}
static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
u8 data[4];
u32 div;
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
if ((params->frequency < 950000) || (params->frequency > 2150000)) return -EINVAL;
div = (params->frequency + (125 - 1)) / 125; // round correctly
data[0] = (div >> 8) & 0x7f;
data[1] = div & 0xff;
data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
data[3] = 0xC4;
if (params->frequency > 1530000) data[3] = 0xc0;
if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
return 0;
}
static struct stv0299_config alps_bsru6_config = {
.demod_address = 0x68,
.inittab = alps_bsru6_inittab,
.mclk = 88000000UL,
.invert = 1,
.enhanced_tuning = 0,
.skip_reinit = 0,
.lock_output = STV0229_LOCKOUTPUT_1,
.volt13_op0_op1 = STV0299_VOLT13_OP1,
.min_delay_ms = 100,
.set_symbol_rate = alps_bsru6_set_symbol_rate,
.pll_set = alps_bsru6_pll_set,
};
static int grundig_29504_451_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
{
struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
u32 div;
u8 data[4];
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
div = params->frequency / 125;
data[0] = (div >> 8) & 0x7f;
data[1] = div & 0xff;
data[2] = 0x8e;
data[3] = 0x00;
if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
return 0;
}
struct tda8083_config grundig_29504_451_config = {
.demod_address = 0x68,
.pll_set = grundig_29504_451_pll_set,
};
static void frontend_init(struct budget_patch* budget)
{
switch(budget->dev->pci->subsystem_device) {
case 0x0000: // Hauppauge/TT WinTV DVB-S rev1.X
// try the ALPS BSRV2 first of all
budget->dvb_frontend = ves1x93_attach(&alps_bsrv2_config, &budget->i2c_adap);
if (budget->dvb_frontend) {
budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_patch_diseqc_send_master_cmd;
budget->dvb_frontend->ops->diseqc_send_burst = budget_patch_diseqc_send_burst;
budget->dvb_frontend->ops->set_tone = budget_patch_set_tone;
break;
}
// try the ALPS BSRU6 now
budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
if (budget->dvb_frontend) {
budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_patch_diseqc_send_master_cmd;
budget->dvb_frontend->ops->diseqc_send_burst = budget_patch_diseqc_send_burst;
budget->dvb_frontend->ops->set_tone = budget_patch_set_tone;
break;
}
// Try the grundig 29504-451
budget->dvb_frontend = tda8083_attach(&grundig_29504_451_config, &budget->i2c_adap);
if (budget->dvb_frontend) {
budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_patch_diseqc_send_master_cmd;
budget->dvb_frontend->ops->diseqc_send_burst = budget_patch_diseqc_send_burst;
budget->dvb_frontend->ops->set_tone = budget_patch_set_tone;
break;
}
break;
}
if (budget->dvb_frontend == NULL) {
printk("dvb-ttpci: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
budget->dev->pci->vendor,
budget->dev->pci->device,
budget->dev->pci->subsystem_vendor,
budget->dev->pci->subsystem_device);
} else {
if (dvb_register_frontend(budget->dvb_adapter, budget->dvb_frontend)) {
printk("budget-av: Frontend registration failed!\n");
if (budget->dvb_frontend->ops->release)
budget->dvb_frontend->ops->release(budget->dvb_frontend);
budget->dvb_frontend = NULL;
}
}
}
static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
{
struct budget_patch *budget;
int err;
int count = 0;
if (!(budget = kmalloc (sizeof(struct budget_patch), GFP_KERNEL)))
return -ENOMEM;
dprintk(2, "budget: %p\n", budget);
if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
kfree (budget);
return err;
}
/*
** This code will setup the SAA7146_RPS1 to generate a square
** wave on GPIO3, changing when a field (TS_HEIGHT/2 "lines" of
** TS_WIDTH packets) has been acquired on SAA7146_D1B video port;
** then, this GPIO3 output which is connected to the D1B_VSYNC
** input, will trigger the acquisition of the alternate field
** and so on.
** Currently, the TT_budget / WinTV_Nova cards have two ICs
** (74HCT4040, LVC74) for the generation of this VSYNC signal,
** which seems that can be done perfectly without this :-)).
*/
// Setup RPS1 "program" (p35)
// Wait reset Source Line Counter Threshold (p36)
WRITE_RPS1(cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS));
// Wait Source Line Counter Threshold (p36)
WRITE_RPS1(cpu_to_le32(CMD_PAUSE | EVT_HS));
// Set GPIO3=1 (p42)
WRITE_RPS1(cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)));
WRITE_RPS1(cpu_to_le32(GPIO3_MSK));
WRITE_RPS1(cpu_to_le32(SAA7146_GPIO_OUTHI<<24));
// Wait reset Source Line Counter Threshold (p36)
WRITE_RPS1(cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS));
// Wait Source Line Counter Threshold
WRITE_RPS1(cpu_to_le32(CMD_PAUSE | EVT_HS));
// Set GPIO3=0 (p42)
WRITE_RPS1(cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)));
WRITE_RPS1(cpu_to_le32(GPIO3_MSK));
WRITE_RPS1(cpu_to_le32(SAA7146_GPIO_OUTLO<<24));
// Jump to begin of RPS program (p37)
WRITE_RPS1(cpu_to_le32(CMD_JUMP));
WRITE_RPS1(cpu_to_le32(dev->d_rps1.dma_handle));
// Fix VSYNC level
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
// Set RPS1 Address register to point to RPS code (r108 p42)
saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);
// Set Source Line Counter Threshold, using BRS (rCC p43)
saa7146_write(dev, RPS_THRESH1, ((TS_HEIGHT/2) | MASK_12));
// Enable RPS1 (rFC p33)
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
dev->ext_priv = budget;
budget->dvb_adapter->priv = budget;
frontend_init(budget);
return 0;
}
static int budget_patch_detach (struct saa7146_dev* dev)
{
struct budget_patch *budget = (struct budget_patch*) dev->ext_priv;
int err;
if (budget->dvb_frontend) dvb_unregister_frontend(budget->dvb_frontend);
err = ttpci_budget_deinit (budget);
kfree (budget);
return err;
}
static int __init budget_patch_init(void)
{
return saa7146_register_extension(&budget_extension);
}
static void __exit budget_patch_exit(void)
{
saa7146_unregister_extension(&budget_extension);
}
static struct saa7146_extension budget_extension = {
.name = "budget_patch dvb\0",
.flags = 0,
.module = THIS_MODULE,
.pci_tbl = pci_tbl,
.attach = budget_patch_attach,
.detach = budget_patch_detach,
.irq_mask = MASK_10,
.irq_func = ttpci_budget_irq10_handler,
};
module_init(budget_patch_init);
module_exit(budget_patch_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Emard, Roberto Deza, Holger Waechtler, Michael Hunold, others");
MODULE_DESCRIPTION("Driver for full TS modified DVB-S SAA7146+AV7110 "
"based so-called Budget Patch cards");