From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/media/pci/ttpci/budget-patch.c | 679 +++++++++++++++++++++++++++++++++ 1 file changed, 679 insertions(+) create mode 100644 drivers/media/pci/ttpci/budget-patch.c (limited to 'drivers/media/pci/ttpci/budget-patch.c') diff --git a/drivers/media/pci/ttpci/budget-patch.c b/drivers/media/pci/ttpci/budget-patch.c new file mode 100644 index 000000000..a738018cd --- /dev/null +++ b/drivers/media/pci/ttpci/budget-patch.c @@ -0,0 +1,679 @@ +/* + * budget-patch.c: driver for Budget Patch, + * hardware modification of DVB-S cards enabling full TS + * + * Written by Emard + * + * Original idea by Roberto Deza + * + * 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. + * + * To obtain the license, point your browser to + * http://www.gnu.org/copyleft/gpl.html + * + * + * the project's page is at https://linuxtv.org + */ + +#include "av7110.h" +#include "av7110_hw.h" +#include "budget.h" +#include "stv0299.h" +#include "ves1x93.h" +#include "tda8083.h" + +#include "bsru6.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define budget_patch budget + +static struct saa7146_extension budget_extension; + +MAKE_BUDGET_INFO(ttbp, "TT-Budget/Patch DVB-S 1.x PCI", BUDGET_PATCH); +//MAKE_BUDGET_INFO(satel,"TT-Budget/Patch SATELCO PCI", BUDGET_TT_HW_DISEQC); + +static const struct pci_device_id pci_tbl[] = { + MAKE_EXTENSION_PCI(ttbp,0x13c2, 0x0000), +// MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013), + { + .vendor = 0, + } +}; + +/* those lines are for budget-patch to be tried +** on a true budget card and observe the +** behaviour of VSYNC generated by rps1. +** this code was shamelessly copy/pasted from budget.c +*/ +static void gpio_Set22K (struct budget *budget, int state) +{ + struct saa7146_dev *dev=budget->dev; + dprintk(2, "budget: %p\n", budget); + saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO)); +} + +/* Diseqc functions only for TT Budget card */ +/* taken from the Skyvision DVB driver by + Ralph Metzler */ + +static void DiseqcSendBit (struct budget *budget, int data) +{ + struct saa7146_dev *dev=budget->dev; + dprintk(2, "budget: %p\n", budget); + + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); + udelay(data ? 500 : 1000); + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + udelay(data ? 1000 : 500); +} + +static void DiseqcSendByte (struct budget *budget, int data) +{ + int i, par=1, d; + + dprintk(2, "budget: %p\n", budget); + + for (i=7; i>=0; i--) { + d = (data>>i)&1; + par ^= d; + DiseqcSendBit(budget, d); + } + + DiseqcSendBit(budget, par); +} + +static int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, unsigned long burst) +{ + struct saa7146_dev *dev=budget->dev; + int i; + + dprintk(2, "budget: %p\n", budget); + + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + mdelay(16); + + for (i=0; idvb->priv; + + switch (tone) { + case SEC_TONE_ON: + gpio_Set22K (budget, 1); + break; + + case SEC_TONE_OFF: + gpio_Set22K (budget, 0); + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int budget_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd) +{ + struct budget* budget = (struct budget*) fe->dvb->priv; + + SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0); + + return 0; +} + +static int budget_diseqc_send_burst(struct dvb_frontend *fe, + enum fe_sec_mini_cmd minicmd) +{ + struct budget* budget = (struct budget*) fe->dvb->priv; + + SendDiSEqCMsg (budget, 0, NULL, minicmd); + + 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++) + { + ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2*i, 2, (u32) buf[i], 0,0); + msleep(5); + } + if (length) + ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2, 2, (u32) buf[1], 0,0); + else + ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2, 2, 0, 0,0); + msleep(5); + ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND, 2, (u32) buf[0], 0,0); + msleep(5); + 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; idvb->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, + enum fe_sec_mini_cmd 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_tuner_set_params(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + 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 = (p->frequency + 479500) / 125; + + if (p->frequency > 2000000) + pwr = 3; + else if (p->frequency > 1800000) + pwr = 2; + else if (p->frequency > 1600000) + pwr = 1; + else if (p->frequency > 1200000) + pwr = 0; + else if (p->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 (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + 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, +}; + +static int grundig_29504_451_tuner_set_params(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + 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 = p->frequency / 125; + data[0] = (div >> 8) & 0x7f; + data[1] = div & 0xff; + data[2] = 0x8e; + data[3] = 0x00; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) + return -EIO; + return 0; +} + +static struct tda8083_config grundig_29504_451_config = { + .demod_address = 0x68, +}; + +static void frontend_init(struct budget_patch* budget) +{ + switch(budget->dev->pci->subsystem_device) { + case 0x0000: // Hauppauge/TT WinTV DVB-S rev1.X + case 0x1013: // SATELCO Multimedia PCI + + // try the ALPS BSRV2 first of all + budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap); + if (budget->dvb_frontend) { + budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params; + 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 = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap); + if (budget->dvb_frontend) { + budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params; + budget->dvb_frontend->tuner_priv = &budget->i2c_adap; + + budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd; + budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst; + budget->dvb_frontend->ops.set_tone = budget_set_tone; + break; + } + + // Try the grundig 29504-451 + budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap); + if (budget->dvb_frontend) { + budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params; + budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd; + budget->dvb_frontend->ops.diseqc_send_burst = budget_diseqc_send_burst; + budget->dvb_frontend->ops.set_tone = budget_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"); + dvb_frontend_detach(budget->dvb_frontend); + budget->dvb_frontend = NULL; + } + } +} + +/* written by Emard */ +static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +{ + struct budget_patch *budget; + int err; + int count = 0; + int detected = 0; + +#define PATCH_RESET 0 +#define RPS_IRQ 0 +#define HPS_SETUP 0 +#if PATCH_RESET + saa7146_write(dev, MC1, MASK_31); + msleep(40); +#endif +#if HPS_SETUP + // initialize registers. Better to have it like this + // than leaving something unconfigured + saa7146_write(dev, DD1_STREAM_B, 0); + // port B VSYNC at rising edge + saa7146_write(dev, DD1_INIT, 0x00000200); // have this in budget-core too! + saa7146_write(dev, BRS_CTRL, 0x00000000); // VBI + + // debi config + // saa7146_write(dev, DEBI_CONFIG, MASK_30|MASK_28|MASK_18); + + // zero all HPS registers + saa7146_write(dev, HPS_H_PRESCALE, 0); // r68 + saa7146_write(dev, HPS_H_SCALE, 0); // r6c + saa7146_write(dev, BCS_CTRL, 0); // r70 + saa7146_write(dev, HPS_V_SCALE, 0); // r60 + saa7146_write(dev, HPS_V_GAIN, 0); // r64 + saa7146_write(dev, CHROMA_KEY_RANGE, 0); // r74 + saa7146_write(dev, CLIP_FORMAT_CTRL, 0); // r78 + // Set HPS prescaler for port B input + saa7146_write(dev, HPS_CTRL, (1<<30) | (0<<29) | (1<<28) | (0<<12) ); + saa7146_write(dev, MC2, + 0 * (MASK_08 | MASK_24) | // BRS control + 0 * (MASK_09 | MASK_25) | // a + 0 * (MASK_10 | MASK_26) | // b + 1 * (MASK_06 | MASK_22) | // HPS_CTRL1 + 1 * (MASK_05 | MASK_21) | // HPS_CTRL2 + 0 * (MASK_01 | MASK_15) // DEBI + ); +#endif + // Disable RPS1 and RPS0 + saa7146_write(dev, MC1, ( MASK_29 | MASK_28)); + // RPS1 timeout disable + saa7146_write(dev, RPS_TOV1, 0); + + // code for autodetection + // will wait for VBI_B event (vertical blank at port B) + // and will reset GPIO3 after VBI_B is detected. + // (GPIO3 should be raised high by CPU to + // test if GPIO3 will generate vertical blank signal + // in budget patch GPIO3 is connected to VSYNC_B + count = 0; +#if 0 + WRITE_RPS1(CMD_UPLOAD | + MASK_10 | MASK_09 | MASK_08 | MASK_06 | MASK_05 | MASK_04 | MASK_03 | MASK_02 ); +#endif + WRITE_RPS1(CMD_PAUSE | EVT_VBI_B); + WRITE_RPS1(CMD_WR_REG_MASK | (GPIO_CTRL>>2)); + WRITE_RPS1(GPIO3_MSK); + WRITE_RPS1(SAA7146_GPIO_OUTLO<<24); +#if RPS_IRQ + // issue RPS1 interrupt to increment counter + WRITE_RPS1(CMD_INTERRUPT); + // at least a NOP is neede between two interrupts + WRITE_RPS1(CMD_NOP); + // interrupt again + WRITE_RPS1(CMD_INTERRUPT); +#endif + WRITE_RPS1(CMD_STOP); + +#if RPS_IRQ + // set event counter 1 source as RPS1 interrupt (0x03) (rE4 p53) + // use 0x03 to track RPS1 interrupts - increase by 1 every gpio3 is toggled + // use 0x15 to track VPE interrupts - increase by 1 every vpeirq() is called + saa7146_write(dev, EC1SSR, (0x03<<2) | 3 ); + // set event counter 1 threshold to maximum allowed value (rEC p55) + saa7146_write(dev, ECT1R, 0x3fff ); +#endif + // 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); + // Enable RPS1, (rFC p33) + saa7146_write(dev, MC1, (MASK_13 | MASK_29 )); + + + mdelay(50); + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); + mdelay(150); + + + if( (saa7146_read(dev, GPIO_CTRL) & 0x10000000) == 0) + detected = 1; + +#if RPS_IRQ + printk("Event Counter 1 0x%04x\n", saa7146_read(dev, EC1R) & 0x3fff ); +#endif + // Disable RPS1 + saa7146_write(dev, MC1, ( MASK_29 )); + + if(detected == 0) + printk("budget-patch not detected or saa7146 in non-default state.\n" + "try enabling resetting of 7146 with MASK_31 in MC1 register\n"); + + else + printk("BUDGET-PATCH DETECTED.\n"); + + +/* OLD (Original design by Roberto Deza): +** 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 :-)). +*/ + +/* New design (By Emard) +** this rps1 code will copy internal HS event to GPIO3 pin. +** GPIO3 is in budget-patch hardware connected to port B VSYNC + +** HS is an internal event of 7146, accessible with RPS +** and temporarily raised high every n lines +** (n in defined in the RPS_THRESH1 counter threshold) +** I think HS is raised high on the beginning of the n-th line +** and remains high until this n-th line that triggered +** it is completely received. When the reception of n-th line +** ends, HS is lowered. + +** To transmit data over DMA, 7146 needs changing state at +** port B VSYNC pin. Any changing of port B VSYNC will +** cause some DMA data transfer, with more or less packets loss. +** It depends on the phase and frequency of VSYNC and +** the way of 7146 is instructed to trigger on port B (defined +** in DD1_INIT register, 3rd nibble from the right valid +** numbers are 0-7, see datasheet) +** +** The correct triggering can minimize packet loss, +** dvbtraffic should give this stable bandwidths: +** 22k transponder = 33814 kbit/s +** 27.5k transponder = 38045 kbit/s +** by experiment it is found that the best results +** (stable bandwidths and almost no packet loss) +** are obtained using DD1_INIT triggering number 2 +** (Va at rising edge of VS Fa = HS x VS-failing forced toggle) +** and a VSYNC phase that occurs in the middle of DMA transfer +** (about byte 188*512=96256 in the DMA window). +** +** Phase of HS is still not clear to me how to control, +** It just happens to be so. It can be seen if one enables +** RPS_IRQ and print Event Counter 1 in vpeirq(). Every +** time RPS_INTERRUPT is called, the Event Counter 1 will +** increment. That's how the 7146 is programmed to do event +** counting in this budget-patch.c +** I *think* HPS setting has something to do with the phase +** of HS but I can't be 100% sure in that. + +** hardware debug note: a working budget card (including budget patch) +** with vpeirq() interrupt setup in mode "0x90" (every 64K) will +** generate 3 interrupts per 25-Hz DMA frame of 2*188*512 bytes +** and that means 3*25=75 Hz of interrupt frequency, as seen by +** watch cat /proc/interrupts +** +** If this frequency is 3x lower (and data received in the DMA +** buffer don't start with 0x47, but in the middle of packets, +** whose lengths appear to be like 188 292 188 104 etc. +** this means VSYNC line is not connected in the hardware. +** (check soldering pcb and pins) +** The same behaviour of missing VSYNC can be duplicated on budget +** cards, by setting DD1_INIT trigger mode 7 in 3rd nibble. +*/ + + // Setup RPS1 "program" (p35) + count = 0; + + + // Wait Source Line Counter Threshold (p36) + WRITE_RPS1(CMD_PAUSE | EVT_HS); + // Set GPIO3=1 (p42) + WRITE_RPS1(CMD_WR_REG_MASK | (GPIO_CTRL>>2)); + WRITE_RPS1(GPIO3_MSK); + WRITE_RPS1(SAA7146_GPIO_OUTHI<<24); +#if RPS_IRQ + // issue RPS1 interrupt + WRITE_RPS1(CMD_INTERRUPT); +#endif + // Wait reset Source Line Counter Threshold (p36) + WRITE_RPS1(CMD_PAUSE | RPS_INV | EVT_HS); + // Set GPIO3=0 (p42) + WRITE_RPS1(CMD_WR_REG_MASK | (GPIO_CTRL>>2)); + WRITE_RPS1(GPIO3_MSK); + WRITE_RPS1(SAA7146_GPIO_OUTLO<<24); +#if RPS_IRQ + // issue RPS1 interrupt + WRITE_RPS1(CMD_INTERRUPT); +#endif + // Jump to begin of RPS program (p37) + WRITE_RPS1(CMD_JUMP); + WRITE_RPS1(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); + + if (!(budget = kmalloc (sizeof(struct budget_patch), GFP_KERNEL))) + return -ENOMEM; + + dprintk(2, "budget: %p\n", budget); + + err = ttpci_budget_init(budget, dev, info, THIS_MODULE, adapter_nr); + if (err) { + kfree(budget); + return err; + } + + // Set Source Line Counter Threshold, using BRS (rCC p43) + // It generates HS event every TS_HEIGHT lines + // this is related to TS_WIDTH set in register + // NUM_LINE_BYTE3 in budget-core.c. If NUM_LINE_BYTE + // low 16 bits are set to TS_WIDTH bytes (TS_WIDTH=2*188 + //,then RPS_THRESH1 + // should be set to trigger every TS_HEIGHT (512) lines. + // + saa7146_write(dev, RPS_THRESH1, budget->buffer_height | MASK_12 ); + + // saa7146_write(dev, RPS_THRESH0, ((TS_HEIGHT/2)<<16) |MASK_28| (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); + + ttpci_budget_init_hooks(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); + dvb_frontend_detach(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", + .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"); -- cgit v1.2.3