--- /dev/null
+/*
+ * SMI PCIe driver for DVBSky cards.
+ *
+ * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
+ *
+ * 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.
+ */
+
+#include "smipcie.h"
+#include "m88ds3103.h"
+#include "ts2020.h"
+#include "m88rs6000t.h"
+#include "si2168.h"
+#include "si2157.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int smi_hw_init(struct smi_dev *dev)
+{
+ u32 port_mux, port_ctrl, int_stat;
+
+ /* set port mux.*/
+ port_mux = smi_read(MUX_MODE_CTRL);
+ port_mux &= ~(rbPaMSMask);
+ port_mux |= rbPaMSDtvNoGpio;
+ port_mux &= ~(rbPbMSMask);
+ port_mux |= rbPbMSDtvNoGpio;
+ port_mux &= ~(0x0f0000);
+ port_mux |= 0x50000;
+ smi_write(MUX_MODE_CTRL, port_mux);
+
+ /* set DTV register.*/
+ /* Port A */
+ port_ctrl = smi_read(VIDEO_CTRL_STATUS_A);
+ port_ctrl &= ~0x01;
+ smi_write(VIDEO_CTRL_STATUS_A, port_ctrl);
+ port_ctrl = smi_read(MPEG2_CTRL_A);
+ port_ctrl &= ~0x40;
+ port_ctrl |= 0x80;
+ smi_write(MPEG2_CTRL_A, port_ctrl);
+ /* Port B */
+ port_ctrl = smi_read(VIDEO_CTRL_STATUS_B);
+ port_ctrl &= ~0x01;
+ smi_write(VIDEO_CTRL_STATUS_B, port_ctrl);
+ port_ctrl = smi_read(MPEG2_CTRL_B);
+ port_ctrl &= ~0x40;
+ port_ctrl |= 0x80;
+ smi_write(MPEG2_CTRL_B, port_ctrl);
+
+ /* disable and clear interrupt.*/
+ smi_write(MSI_INT_ENA_CLR, ALL_INT);
+ int_stat = smi_read(MSI_INT_STATUS);
+ smi_write(MSI_INT_STATUS_CLR, int_stat);
+
+ /* reset demod.*/
+ smi_clear(PERIPHERAL_CTRL, 0x0303);
+ msleep(50);
+ smi_set(PERIPHERAL_CTRL, 0x0101);
+ return 0;
+}
+
+/* i2c bit bus.*/
+static void smi_i2c_cfg(struct smi_dev *dev, u32 sw_ctl)
+{
+ u32 dwCtrl;
+
+ dwCtrl = smi_read(sw_ctl);
+ dwCtrl &= ~0x18; /* disable output.*/
+ dwCtrl |= 0x21; /* reset and software mode.*/
+ dwCtrl &= ~0xff00;
+ dwCtrl |= 0x6400;
+ smi_write(sw_ctl, dwCtrl);
+ msleep(20);
+ dwCtrl = smi_read(sw_ctl);
+ dwCtrl &= ~0x20;
+ smi_write(sw_ctl, dwCtrl);
+}
+
+static void smi_i2c_setsda(struct smi_dev *dev, int state, u32 sw_ctl)
+{
+ if (state) {
+ /* set as input.*/
+ smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN);
+ } else {
+ smi_clear(sw_ctl, SW_I2C_MSK_DAT_OUT);
+ /* set as output.*/
+ smi_set(sw_ctl, SW_I2C_MSK_DAT_EN);
+ }
+}
+
+static void smi_i2c_setscl(void *data, int state, u32 sw_ctl)
+{
+ struct smi_dev *dev = data;
+
+ if (state) {
+ /* set as input.*/
+ smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN);
+ } else {
+ smi_clear(sw_ctl, SW_I2C_MSK_CLK_OUT);
+ /* set as output.*/
+ smi_set(sw_ctl, SW_I2C_MSK_CLK_EN);
+ }
+}
+
+static int smi_i2c_getsda(void *data, u32 sw_ctl)
+{
+ struct smi_dev *dev = data;
+ /* set as input.*/
+ smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN);
+ udelay(1);
+ return (smi_read(sw_ctl) & SW_I2C_MSK_DAT_IN) ? 1 : 0;
+}
+
+static int smi_i2c_getscl(void *data, u32 sw_ctl)
+{
+ struct smi_dev *dev = data;
+ /* set as input.*/
+ smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN);
+ udelay(1);
+ return (smi_read(sw_ctl) & SW_I2C_MSK_CLK_IN) ? 1 : 0;
+}
+/* i2c 0.*/
+static void smi_i2c0_setsda(void *data, int state)
+{
+ struct smi_dev *dev = data;
+
+ smi_i2c_setsda(dev, state, I2C_A_SW_CTL);
+}
+
+static void smi_i2c0_setscl(void *data, int state)
+{
+ struct smi_dev *dev = data;
+
+ smi_i2c_setscl(dev, state, I2C_A_SW_CTL);
+}
+
+static int smi_i2c0_getsda(void *data)
+{
+ struct smi_dev *dev = data;
+
+ return smi_i2c_getsda(dev, I2C_A_SW_CTL);
+}
+
+static int smi_i2c0_getscl(void *data)
+{
+ struct smi_dev *dev = data;
+
+ return smi_i2c_getscl(dev, I2C_A_SW_CTL);
+}
+/* i2c 1.*/
+static void smi_i2c1_setsda(void *data, int state)
+{
+ struct smi_dev *dev = data;
+
+ smi_i2c_setsda(dev, state, I2C_B_SW_CTL);
+}
+
+static void smi_i2c1_setscl(void *data, int state)
+{
+ struct smi_dev *dev = data;
+
+ smi_i2c_setscl(dev, state, I2C_B_SW_CTL);
+}
+
+static int smi_i2c1_getsda(void *data)
+{
+ struct smi_dev *dev = data;
+
+ return smi_i2c_getsda(dev, I2C_B_SW_CTL);
+}
+
+static int smi_i2c1_getscl(void *data)
+{
+ struct smi_dev *dev = data;
+
+ return smi_i2c_getscl(dev, I2C_B_SW_CTL);
+}
+
+static int smi_i2c_init(struct smi_dev *dev)
+{
+ int ret;
+
+ /* i2c bus 0 */
+ smi_i2c_cfg(dev, I2C_A_SW_CTL);
+ i2c_set_adapdata(&dev->i2c_bus[0], dev);
+ strcpy(dev->i2c_bus[0].name, "SMI-I2C0");
+ dev->i2c_bus[0].owner = THIS_MODULE;
+ dev->i2c_bus[0].dev.parent = &dev->pci_dev->dev;
+ dev->i2c_bus[0].algo_data = &dev->i2c_bit[0];
+ dev->i2c_bit[0].data = dev;
+ dev->i2c_bit[0].setsda = smi_i2c0_setsda;
+ dev->i2c_bit[0].setscl = smi_i2c0_setscl;
+ dev->i2c_bit[0].getsda = smi_i2c0_getsda;
+ dev->i2c_bit[0].getscl = smi_i2c0_getscl;
+ dev->i2c_bit[0].udelay = 12;
+ dev->i2c_bit[0].timeout = 10;
+ /* Raise SCL and SDA */
+ smi_i2c0_setsda(dev, 1);
+ smi_i2c0_setscl(dev, 1);
+
+ ret = i2c_bit_add_bus(&dev->i2c_bus[0]);
+ if (ret < 0)
+ return ret;
+
+ /* i2c bus 1 */
+ smi_i2c_cfg(dev, I2C_B_SW_CTL);
+ i2c_set_adapdata(&dev->i2c_bus[1], dev);
+ strcpy(dev->i2c_bus[1].name, "SMI-I2C1");
+ dev->i2c_bus[1].owner = THIS_MODULE;
+ dev->i2c_bus[1].dev.parent = &dev->pci_dev->dev;
+ dev->i2c_bus[1].algo_data = &dev->i2c_bit[1];
+ dev->i2c_bit[1].data = dev;
+ dev->i2c_bit[1].setsda = smi_i2c1_setsda;
+ dev->i2c_bit[1].setscl = smi_i2c1_setscl;
+ dev->i2c_bit[1].getsda = smi_i2c1_getsda;
+ dev->i2c_bit[1].getscl = smi_i2c1_getscl;
+ dev->i2c_bit[1].udelay = 12;
+ dev->i2c_bit[1].timeout = 10;
+ /* Raise SCL and SDA */
+ smi_i2c1_setsda(dev, 1);
+ smi_i2c1_setscl(dev, 1);
+
+ ret = i2c_bit_add_bus(&dev->i2c_bus[1]);
+ if (ret < 0)
+ i2c_del_adapter(&dev->i2c_bus[0]);
+
+ return ret;
+}
+
+static void smi_i2c_exit(struct smi_dev *dev)
+{
+ i2c_del_adapter(&dev->i2c_bus[0]);
+ i2c_del_adapter(&dev->i2c_bus[1]);
+}
+
+static int smi_read_eeprom(struct i2c_adapter *i2c, u16 reg, u8 *data, u16 size)
+{
+ int ret;
+ u8 b0[2] = { (reg >> 8) & 0xff, reg & 0xff };
+
+ struct i2c_msg msg[] = {
+ { .addr = 0x50, .flags = 0,
+ .buf = b0, .len = 2 },
+ { .addr = 0x50, .flags = I2C_M_RD,
+ .buf = data, .len = size }
+ };
+
+ ret = i2c_transfer(i2c, msg, 2);
+
+ if (ret != 2) {
+ dev_err(&i2c->dev, "%s: reg=0x%x (error=%d)\n",
+ __func__, reg, ret);
+ return ret;
+ }
+ return ret;
+}
+
+/* ts port interrupt operations */
+static void smi_port_disableInterrupt(struct smi_port *port)
+{
+ struct smi_dev *dev = port->dev;
+
+ smi_write(MSI_INT_ENA_CLR,
+ (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
+}
+
+static void smi_port_enableInterrupt(struct smi_port *port)
+{
+ struct smi_dev *dev = port->dev;
+
+ smi_write(MSI_INT_ENA_SET,
+ (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
+}
+
+static void smi_port_clearInterrupt(struct smi_port *port)
+{
+ struct smi_dev *dev = port->dev;
+
+ smi_write(MSI_INT_STATUS_CLR,
+ (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
+}
+
+/* tasklet handler: DMA data to dmx.*/
+static void smi_dma_xfer(unsigned long data)
+{
+ struct smi_port *port = (struct smi_port *) data;
+ struct smi_dev *dev = port->dev;
+ u32 intr_status, finishedData, dmaManagement;
+ u8 dmaChan0State, dmaChan1State;
+
+ intr_status = port->_int_status;
+ dmaManagement = smi_read(port->DMA_MANAGEMENT);
+ dmaChan0State = (u8)((dmaManagement & 0x00000030) >> 4);
+ dmaChan1State = (u8)((dmaManagement & 0x00300000) >> 20);
+
+ /* CH-0 DMA interrupt.*/
+ if ((intr_status & port->_dmaInterruptCH0) && (dmaChan0State == 0x01)) {
+ dev_dbg(&dev->pci_dev->dev,
+ "Port[%d]-DMA CH0 engine complete successful !\n",
+ port->idx);
+ finishedData = smi_read(port->DMA_CHAN0_TRANS_STATE);
+ finishedData &= 0x003FFFFF;
+ /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0]
+ * indicate dma total transfer length and
+ * zero of [21:0] indicate dma total transfer length
+ * equal to 0x400000 (4MB)*/
+ if (finishedData == 0)
+ finishedData = 0x00400000;
+ if (finishedData != SMI_TS_DMA_BUF_SIZE) {
+ dev_dbg(&dev->pci_dev->dev,
+ "DMA CH0 engine complete length mismatched, finish data=%d !\n",
+ finishedData);
+ }
+ dvb_dmx_swfilter_packets(&port->demux,
+ port->cpu_addr[0], (finishedData / 188));
+ /*dvb_dmx_swfilter(&port->demux,
+ port->cpu_addr[0], finishedData);*/
+ }
+ /* CH-1 DMA interrupt.*/
+ if ((intr_status & port->_dmaInterruptCH1) && (dmaChan1State == 0x01)) {
+ dev_dbg(&dev->pci_dev->dev,
+ "Port[%d]-DMA CH1 engine complete successful !\n",
+ port->idx);
+ finishedData = smi_read(port->DMA_CHAN1_TRANS_STATE);
+ finishedData &= 0x003FFFFF;
+ /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0]
+ * indicate dma total transfer length and
+ * zero of [21:0] indicate dma total transfer length
+ * equal to 0x400000 (4MB)*/
+ if (finishedData == 0)
+ finishedData = 0x00400000;
+ if (finishedData != SMI_TS_DMA_BUF_SIZE) {
+ dev_dbg(&dev->pci_dev->dev,
+ "DMA CH1 engine complete length mismatched, finish data=%d !\n",
+ finishedData);
+ }
+ dvb_dmx_swfilter_packets(&port->demux,
+ port->cpu_addr[1], (finishedData / 188));
+ /*dvb_dmx_swfilter(&port->demux,
+ port->cpu_addr[1], finishedData);*/
+ }
+ /* restart DMA.*/
+ if (intr_status & port->_dmaInterruptCH0)
+ dmaManagement |= 0x00000002;
+ if (intr_status & port->_dmaInterruptCH1)
+ dmaManagement |= 0x00020000;
+ smi_write(port->DMA_MANAGEMENT, dmaManagement);
+ /* Re-enable interrupts */
+ smi_port_enableInterrupt(port);
+}
+
+static void smi_port_dma_free(struct smi_port *port)
+{
+ if (port->cpu_addr[0]) {
+ pci_free_consistent(port->dev->pci_dev, SMI_TS_DMA_BUF_SIZE,
+ port->cpu_addr[0], port->dma_addr[0]);
+ port->cpu_addr[0] = NULL;
+ }
+ if (port->cpu_addr[1]) {
+ pci_free_consistent(port->dev->pci_dev, SMI_TS_DMA_BUF_SIZE,
+ port->cpu_addr[1], port->dma_addr[1]);
+ port->cpu_addr[1] = NULL;
+ }
+}
+
+static int smi_port_init(struct smi_port *port, int dmaChanUsed)
+{
+ dev_dbg(&port->dev->pci_dev->dev,
+ "%s, port %d, dmaused %d\n", __func__, port->idx, dmaChanUsed);
+ port->enable = 0;
+ if (port->idx == 0) {
+ /* Port A */
+ port->_dmaInterruptCH0 = dmaChanUsed & 0x01;
+ port->_dmaInterruptCH1 = dmaChanUsed & 0x02;
+
+ port->DMA_CHAN0_ADDR_LOW = DMA_PORTA_CHAN0_ADDR_LOW;
+ port->DMA_CHAN0_ADDR_HI = DMA_PORTA_CHAN0_ADDR_HI;
+ port->DMA_CHAN0_TRANS_STATE = DMA_PORTA_CHAN0_TRANS_STATE;
+ port->DMA_CHAN0_CONTROL = DMA_PORTA_CHAN0_CONTROL;
+ port->DMA_CHAN1_ADDR_LOW = DMA_PORTA_CHAN1_ADDR_LOW;
+ port->DMA_CHAN1_ADDR_HI = DMA_PORTA_CHAN1_ADDR_HI;
+ port->DMA_CHAN1_TRANS_STATE = DMA_PORTA_CHAN1_TRANS_STATE;
+ port->DMA_CHAN1_CONTROL = DMA_PORTA_CHAN1_CONTROL;
+ port->DMA_MANAGEMENT = DMA_PORTA_MANAGEMENT;
+ } else {
+ /* Port B */
+ port->_dmaInterruptCH0 = (dmaChanUsed << 2) & 0x04;
+ port->_dmaInterruptCH1 = (dmaChanUsed << 2) & 0x08;
+
+ port->DMA_CHAN0_ADDR_LOW = DMA_PORTB_CHAN0_ADDR_LOW;
+ port->DMA_CHAN0_ADDR_HI = DMA_PORTB_CHAN0_ADDR_HI;
+ port->DMA_CHAN0_TRANS_STATE = DMA_PORTB_CHAN0_TRANS_STATE;
+ port->DMA_CHAN0_CONTROL = DMA_PORTB_CHAN0_CONTROL;
+ port->DMA_CHAN1_ADDR_LOW = DMA_PORTB_CHAN1_ADDR_LOW;
+ port->DMA_CHAN1_ADDR_HI = DMA_PORTB_CHAN1_ADDR_HI;
+ port->DMA_CHAN1_TRANS_STATE = DMA_PORTB_CHAN1_TRANS_STATE;
+ port->DMA_CHAN1_CONTROL = DMA_PORTB_CHAN1_CONTROL;
+ port->DMA_MANAGEMENT = DMA_PORTB_MANAGEMENT;
+ }
+
+ if (port->_dmaInterruptCH0) {
+ port->cpu_addr[0] = pci_alloc_consistent(port->dev->pci_dev,
+ SMI_TS_DMA_BUF_SIZE,
+ &port->dma_addr[0]);
+ if (!port->cpu_addr[0]) {
+ dev_err(&port->dev->pci_dev->dev,
+ "Port[%d] DMA CH0 memory allocation failed!\n",
+ port->idx);
+ goto err;
+ }
+ }
+
+ if (port->_dmaInterruptCH1) {
+ port->cpu_addr[1] = pci_alloc_consistent(port->dev->pci_dev,
+ SMI_TS_DMA_BUF_SIZE,
+ &port->dma_addr[1]);
+ if (!port->cpu_addr[1]) {
+ dev_err(&port->dev->pci_dev->dev,
+ "Port[%d] DMA CH1 memory allocation failed!\n",
+ port->idx);
+ goto err;
+ }
+ }
+
+ smi_port_disableInterrupt(port);
+ tasklet_init(&port->tasklet, smi_dma_xfer, (unsigned long)port);
+ tasklet_disable(&port->tasklet);
+ port->enable = 1;
+ return 0;
+err:
+ smi_port_dma_free(port);
+ return -ENOMEM;
+}
+
+static void smi_port_exit(struct smi_port *port)
+{
+ smi_port_disableInterrupt(port);
+ tasklet_kill(&port->tasklet);
+ smi_port_dma_free(port);
+ port->enable = 0;
+}
+
+static int smi_port_irq(struct smi_port *port, u32 int_status)
+{
+ u32 port_req_irq = port->_dmaInterruptCH0 | port->_dmaInterruptCH1;
+ int handled = 0;
+
+ if (int_status & port_req_irq) {
+ smi_port_disableInterrupt(port);
+ port->_int_status = int_status;
+ smi_port_clearInterrupt(port);
+ tasklet_schedule(&port->tasklet);
+ handled = 1;
+ }
+ return handled;
+}
+
+static irqreturn_t smi_irq_handler(int irq, void *dev_id)
+{
+ struct smi_dev *dev = dev_id;
+ struct smi_port *port0 = &dev->ts_port[0];
+ struct smi_port *port1 = &dev->ts_port[1];
+ int handled = 0;
+
+ u32 intr_status = smi_read(MSI_INT_STATUS);
+
+ /* ts0 interrupt.*/
+ if (dev->info->ts_0)
+ handled += smi_port_irq(port0, intr_status);
+
+ /* ts1 interrupt.*/
+ if (dev->info->ts_1)
+ handled += smi_port_irq(port1, intr_status);
+
+ return IRQ_RETVAL(handled);
+}
+
+static struct i2c_client *smi_add_i2c_client(struct i2c_adapter *adapter,
+ struct i2c_board_info *info)
+{
+ struct i2c_client *client;
+
+ request_module(info->type);
+ client = i2c_new_device(adapter, info);
+ if (client == NULL || client->dev.driver == NULL)
+ goto err_add_i2c_client;
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ goto err_add_i2c_client;
+ }
+ return client;
+
+err_add_i2c_client:
+ client = NULL;
+ return client;
+}
+
+static void smi_del_i2c_client(struct i2c_client *client)
+{
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+}
+
+static const struct m88ds3103_config smi_dvbsky_m88ds3103_cfg = {
+ .i2c_addr = 0x68,
+ .clock = 27000000,
+ .i2c_wr_max = 33,
+ .clock_out = 0,
+ .ts_mode = M88DS3103_TS_PARALLEL,
+ .ts_clk = 16000,
+ .ts_clk_pol = 1,
+ .agc = 0x99,
+ .lnb_hv_pol = 0,
+ .lnb_en_pol = 1,
+};
+
+static int smi_dvbsky_m88ds3103_fe_attach(struct smi_port *port)
+{
+ int ret = 0;
+ struct smi_dev *dev = port->dev;
+ struct i2c_adapter *i2c;
+ /* tuner I2C module */
+ struct i2c_adapter *tuner_i2c_adapter;
+ struct i2c_client *tuner_client;
+ struct i2c_board_info tuner_info;
+ struct ts2020_config ts2020_config = {};
+ memset(&tuner_info, 0, sizeof(struct i2c_board_info));
+ i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
+
+ /* attach demod */
+ port->fe = dvb_attach(m88ds3103_attach,
+ &smi_dvbsky_m88ds3103_cfg, i2c, &tuner_i2c_adapter);
+ if (!port->fe) {
+ ret = -ENODEV;
+ return ret;
+ }
+ /* attach tuner */
+ ts2020_config.fe = port->fe;
+ strlcpy(tuner_info.type, "ts2020", I2C_NAME_SIZE);
+ tuner_info.addr = 0x60;
+ tuner_info.platform_data = &ts2020_config;
+ tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
+ if (!tuner_client) {
+ ret = -ENODEV;
+ goto err_tuner_i2c_device;
+ }
+
+ /* delegate signal strength measurement to tuner */
+ port->fe->ops.read_signal_strength =
+ port->fe->ops.tuner_ops.get_rf_strength;
+
+ port->i2c_client_tuner = tuner_client;
+ return ret;
+
+err_tuner_i2c_device:
+ dvb_frontend_detach(port->fe);
+ return ret;
+}
+
+static const struct m88ds3103_config smi_dvbsky_m88rs6000_cfg = {
+ .i2c_addr = 0x69,
+ .clock = 27000000,
+ .i2c_wr_max = 33,
+ .ts_mode = M88DS3103_TS_PARALLEL,
+ .ts_clk = 16000,
+ .ts_clk_pol = 1,
+ .agc = 0x99,
+ .lnb_hv_pol = 0,
+ .lnb_en_pol = 1,
+};
+
+static int smi_dvbsky_m88rs6000_fe_attach(struct smi_port *port)
+{
+ int ret = 0;
+ struct smi_dev *dev = port->dev;
+ struct i2c_adapter *i2c;
+ /* tuner I2C module */
+ struct i2c_adapter *tuner_i2c_adapter;
+ struct i2c_client *tuner_client;
+ struct i2c_board_info tuner_info;
+ struct m88rs6000t_config m88rs6000t_config;
+
+ memset(&tuner_info, 0, sizeof(struct i2c_board_info));
+ i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
+
+ /* attach demod */
+ port->fe = dvb_attach(m88ds3103_attach,
+ &smi_dvbsky_m88rs6000_cfg, i2c, &tuner_i2c_adapter);
+ if (!port->fe) {
+ ret = -ENODEV;
+ return ret;
+ }
+ /* attach tuner */
+ m88rs6000t_config.fe = port->fe;
+ strlcpy(tuner_info.type, "m88rs6000t", I2C_NAME_SIZE);
+ tuner_info.addr = 0x21;
+ tuner_info.platform_data = &m88rs6000t_config;
+ tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
+ if (!tuner_client) {
+ ret = -ENODEV;
+ goto err_tuner_i2c_device;
+ }
+
+ /* delegate signal strength measurement to tuner */
+ port->fe->ops.read_signal_strength =
+ port->fe->ops.tuner_ops.get_rf_strength;
+
+ port->i2c_client_tuner = tuner_client;
+ return ret;
+
+err_tuner_i2c_device:
+ dvb_frontend_detach(port->fe);
+ return ret;
+}
+
+static int smi_dvbsky_sit2_fe_attach(struct smi_port *port)
+{
+ int ret = 0;
+ struct smi_dev *dev = port->dev;
+ struct i2c_adapter *i2c;
+ struct i2c_adapter *tuner_i2c_adapter;
+ struct i2c_client *client_tuner, *client_demod;
+ struct i2c_board_info client_info;
+ struct si2168_config si2168_config;
+ struct si2157_config si2157_config;
+
+ /* select i2c bus */
+ i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
+
+ /* attach demod */
+ memset(&si2168_config, 0, sizeof(si2168_config));
+ si2168_config.i2c_adapter = &tuner_i2c_adapter;
+ si2168_config.fe = &port->fe;
+ si2168_config.ts_mode = SI2168_TS_PARALLEL;
+
+ memset(&client_info, 0, sizeof(struct i2c_board_info));
+ strlcpy(client_info.type, "si2168", I2C_NAME_SIZE);
+ client_info.addr = 0x64;
+ client_info.platform_data = &si2168_config;
+
+ client_demod = smi_add_i2c_client(i2c, &client_info);
+ if (!client_demod) {
+ ret = -ENODEV;
+ return ret;
+ }
+ port->i2c_client_demod = client_demod;
+
+ /* attach tuner */
+ memset(&si2157_config, 0, sizeof(si2157_config));
+ si2157_config.fe = port->fe;
+
+ memset(&client_info, 0, sizeof(struct i2c_board_info));
+ strlcpy(client_info.type, "si2157", I2C_NAME_SIZE);
+ client_info.addr = 0x60;
+ client_info.platform_data = &si2157_config;
+
+ client_tuner = smi_add_i2c_client(tuner_i2c_adapter, &client_info);
+ if (!client_tuner) {
+ smi_del_i2c_client(port->i2c_client_demod);
+ port->i2c_client_demod = NULL;
+ ret = -ENODEV;
+ return ret;
+ }
+ port->i2c_client_tuner = client_tuner;
+ return ret;
+}
+
+static int smi_fe_init(struct smi_port *port)
+{
+ int ret = 0;
+ struct smi_dev *dev = port->dev;
+ struct dvb_adapter *adap = &port->dvb_adapter;
+ u8 mac_ee[16];
+
+ dev_dbg(&port->dev->pci_dev->dev,
+ "%s: port %d, fe_type = %d\n",
+ __func__, port->idx, port->fe_type);
+ switch (port->fe_type) {
+ case DVBSKY_FE_M88DS3103:
+ ret = smi_dvbsky_m88ds3103_fe_attach(port);
+ break;
+ case DVBSKY_FE_M88RS6000:
+ ret = smi_dvbsky_m88rs6000_fe_attach(port);
+ break;
+ case DVBSKY_FE_SIT2:
+ ret = smi_dvbsky_sit2_fe_attach(port);
+ break;
+ }
+ if (ret < 0)
+ return ret;
+
+ /* register dvb frontend */
+ ret = dvb_register_frontend(adap, port->fe);
+ if (ret < 0) {
+ if (port->i2c_client_tuner)
+ smi_del_i2c_client(port->i2c_client_tuner);
+ if (port->i2c_client_demod)
+ smi_del_i2c_client(port->i2c_client_demod);
+ dvb_frontend_detach(port->fe);
+ return ret;
+ }
+ /* init MAC.*/
+ ret = smi_read_eeprom(&dev->i2c_bus[0], 0xc0, mac_ee, 16);
+ dev_info(&port->dev->pci_dev->dev,
+ "DVBSky SMI PCIe MAC= %pM\n", mac_ee + (port->idx)*8);
+ memcpy(adap->proposed_mac, mac_ee + (port->idx)*8, 6);
+ return ret;
+}
+
+static void smi_fe_exit(struct smi_port *port)
+{
+ dvb_unregister_frontend(port->fe);
+ /* remove I2C demod and tuner */
+ if (port->i2c_client_tuner)
+ smi_del_i2c_client(port->i2c_client_tuner);
+ if (port->i2c_client_demod)
+ smi_del_i2c_client(port->i2c_client_demod);
+ dvb_frontend_detach(port->fe);
+}
+
+static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
+ int (*start_feed)(struct dvb_demux_feed *),
+ int (*stop_feed)(struct dvb_demux_feed *),
+ void *priv)
+{
+ dvbdemux->priv = priv;
+
+ dvbdemux->filternum = 256;
+ dvbdemux->feednum = 256;
+ dvbdemux->start_feed = start_feed;
+ dvbdemux->stop_feed = stop_feed;
+ dvbdemux->write_to_decoder = NULL;
+ dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
+ DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING);
+ return dvb_dmx_init(dvbdemux);
+}
+
+static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
+ struct dvb_demux *dvbdemux,
+ struct dmx_frontend *hw_frontend,
+ struct dmx_frontend *mem_frontend,
+ struct dvb_adapter *dvb_adapter)
+{
+ int ret;
+
+ dmxdev->filternum = 256;
+ dmxdev->demux = &dvbdemux->dmx;
+ dmxdev->capabilities = 0;
+ ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
+ if (ret < 0)
+ return ret;
+
+ hw_frontend->source = DMX_FRONTEND_0;
+ dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
+ mem_frontend->source = DMX_MEMORY_FE;
+ dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
+ return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
+}
+
+static u32 smi_config_DMA(struct smi_port *port)
+{
+ struct smi_dev *dev = port->dev;
+ u32 totalLength = 0, dmaMemPtrLow, dmaMemPtrHi, dmaCtlReg;
+ u8 chanLatencyTimer = 0, dmaChanEnable = 1, dmaTransStart = 1;
+ u32 dmaManagement = 0, tlpTransUnit = DMA_TRANS_UNIT_188;
+ u8 tlpTc = 0, tlpTd = 1, tlpEp = 0, tlpAttr = 0;
+ u64 mem;
+
+ dmaManagement = smi_read(port->DMA_MANAGEMENT);
+ /* Setup Channel-0 */
+ if (port->_dmaInterruptCH0) {
+ totalLength = SMI_TS_DMA_BUF_SIZE;
+ mem = port->dma_addr[0];
+ dmaMemPtrLow = mem & 0xffffffff;
+ dmaMemPtrHi = mem >> 32;
+ dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25)
+ | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30);
+ dmaManagement |= dmaChanEnable | (dmaTransStart << 1)
+ | (chanLatencyTimer << 8);
+ /* write DMA register, start DMA engine */
+ smi_write(port->DMA_CHAN0_ADDR_LOW, dmaMemPtrLow);
+ smi_write(port->DMA_CHAN0_ADDR_HI, dmaMemPtrHi);
+ smi_write(port->DMA_CHAN0_CONTROL, dmaCtlReg);
+ }
+ /* Setup Channel-1 */
+ if (port->_dmaInterruptCH1) {
+ totalLength = SMI_TS_DMA_BUF_SIZE;
+ mem = port->dma_addr[1];
+ dmaMemPtrLow = mem & 0xffffffff;
+ dmaMemPtrHi = mem >> 32;
+ dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25)
+ | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30);
+ dmaManagement |= (dmaChanEnable << 16) | (dmaTransStart << 17)
+ | (chanLatencyTimer << 24);
+ /* write DMA register, start DMA engine */
+ smi_write(port->DMA_CHAN1_ADDR_LOW, dmaMemPtrLow);
+ smi_write(port->DMA_CHAN1_ADDR_HI, dmaMemPtrHi);
+ smi_write(port->DMA_CHAN1_CONTROL, dmaCtlReg);
+ }
+ return dmaManagement;
+}
+
+static int smi_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct smi_port *port = dvbdmx->priv;
+ struct smi_dev *dev = port->dev;
+ u32 dmaManagement;
+
+ if (port->users++ == 0) {
+ dmaManagement = smi_config_DMA(port);
+ smi_port_clearInterrupt(port);
+ smi_port_enableInterrupt(port);
+ smi_write(port->DMA_MANAGEMENT, dmaManagement);
+ tasklet_enable(&port->tasklet);
+ }
+ return port->users;
+}
+
+static int smi_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct smi_port *port = dvbdmx->priv;
+ struct smi_dev *dev = port->dev;
+
+ if (--port->users)
+ return port->users;
+
+ tasklet_disable(&port->tasklet);
+ smi_port_disableInterrupt(port);
+ smi_clear(port->DMA_MANAGEMENT, 0x30003);
+ return 0;
+}
+
+static int smi_dvb_init(struct smi_port *port)
+{
+ int ret;
+ struct dvb_adapter *adap = &port->dvb_adapter;
+ struct dvb_demux *dvbdemux = &port->demux;
+
+ dev_dbg(&port->dev->pci_dev->dev,
+ "%s, port %d\n", __func__, port->idx);
+
+ ret = dvb_register_adapter(adap, "SMI_DVB", THIS_MODULE,
+ &port->dev->pci_dev->dev,
+ adapter_nr);
+ if (ret < 0) {
+ dev_err(&port->dev->pci_dev->dev, "Fail to register DVB adapter.\n");
+ return ret;
+ }
+ ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
+ smi_start_feed,
+ smi_stop_feed, port);
+ if (ret < 0)
+ goto err_del_dvb_register_adapter;
+
+ ret = my_dvb_dmxdev_ts_card_init(&port->dmxdev, &port->demux,
+ &port->hw_frontend,
+ &port->mem_frontend, adap);
+ if (ret < 0)
+ goto err_del_dvb_dmx;
+
+ ret = dvb_net_init(adap, &port->dvbnet, port->dmxdev.demux);
+ if (ret < 0)
+ goto err_del_dvb_dmxdev;
+ return 0;
+err_del_dvb_dmxdev:
+ dvbdemux->dmx.close(&dvbdemux->dmx);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend);
+ dvb_dmxdev_release(&port->dmxdev);
+err_del_dvb_dmx:
+ dvb_dmx_release(&port->demux);
+err_del_dvb_register_adapter:
+ dvb_unregister_adapter(&port->dvb_adapter);
+ return ret;
+}
+
+static void smi_dvb_exit(struct smi_port *port)
+{
+ struct dvb_demux *dvbdemux = &port->demux;
+
+ dvb_net_release(&port->dvbnet);
+
+ dvbdemux->dmx.close(&dvbdemux->dmx);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend);
+ dvb_dmxdev_release(&port->dmxdev);
+ dvb_dmx_release(&port->demux);
+
+ dvb_unregister_adapter(&port->dvb_adapter);
+}
+
+static int smi_port_attach(struct smi_dev *dev,
+ struct smi_port *port, int index)
+{
+ int ret, dmachs;
+
+ port->dev = dev;
+ port->idx = index;
+ port->fe_type = (index == 0) ? dev->info->fe_0 : dev->info->fe_1;
+ dmachs = (index == 0) ? dev->info->ts_0 : dev->info->ts_1;
+ /* port init.*/
+ ret = smi_port_init(port, dmachs);
+ if (ret < 0)
+ return ret;
+ /* dvb init.*/
+ ret = smi_dvb_init(port);
+ if (ret < 0)
+ goto err_del_port_init;
+ /* fe init.*/
+ ret = smi_fe_init(port);
+ if (ret < 0)
+ goto err_del_dvb_init;
+ return 0;
+err_del_dvb_init:
+ smi_dvb_exit(port);
+err_del_port_init:
+ smi_port_exit(port);
+ return ret;
+}
+
+static void smi_port_detach(struct smi_port *port)
+{
+ smi_fe_exit(port);
+ smi_dvb_exit(port);
+ smi_port_exit(port);
+}
+
+static int smi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct smi_dev *dev;
+ int ret = -ENOMEM;
+
+ if (pci_enable_device(pdev) < 0)
+ return -ENODEV;
+
+ dev = kzalloc(sizeof(struct smi_dev), GFP_KERNEL);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto err_pci_disable_device;
+ }
+
+ dev->pci_dev = pdev;
+ pci_set_drvdata(pdev, dev);
+ dev->info = (struct smi_cfg_info *) id->driver_data;
+ dev_info(&dev->pci_dev->dev,
+ "card detected: %s\n", dev->info->name);
+
+ dev->nr = dev->info->type;
+ dev->lmmio = ioremap(pci_resource_start(dev->pci_dev, 0),
+ pci_resource_len(dev->pci_dev, 0));
+ if (!dev->lmmio) {
+ ret = -ENOMEM;
+ goto err_kfree;
+ }
+
+ /* should we set to 32bit DMA? */
+ ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (ret < 0)
+ goto err_pci_iounmap;
+
+ pci_set_master(pdev);
+
+ ret = smi_hw_init(dev);
+ if (ret < 0)
+ goto err_pci_iounmap;
+
+ ret = smi_i2c_init(dev);
+ if (ret < 0)
+ goto err_pci_iounmap;
+
+ if (dev->info->ts_0) {
+ ret = smi_port_attach(dev, &dev->ts_port[0], 0);
+ if (ret < 0)
+ goto err_del_i2c_adaptor;
+ }
+
+ if (dev->info->ts_1) {
+ ret = smi_port_attach(dev, &dev->ts_port[1], 1);
+ if (ret < 0)
+ goto err_del_port0_attach;
+ }
+
+#ifdef CONFIG_PCI_MSI /* to do msi interrupt.???*/
+ if (pci_msi_enabled())
+ ret = pci_enable_msi(dev->pci_dev);
+ if (ret)
+ dev_info(&dev->pci_dev->dev, "MSI not available.\n");
+#endif
+
+ ret = request_irq(dev->pci_dev->irq, smi_irq_handler,
+ IRQF_SHARED, "SMI_PCIE", dev);
+ if (ret < 0)
+ goto err_del_port1_attach;
+
+ return 0;
+
+err_del_port1_attach:
+ if (dev->info->ts_1)
+ smi_port_detach(&dev->ts_port[1]);
+err_del_port0_attach:
+ if (dev->info->ts_0)
+ smi_port_detach(&dev->ts_port[0]);
+err_del_i2c_adaptor:
+ smi_i2c_exit(dev);
+err_pci_iounmap:
+ iounmap(dev->lmmio);
+err_kfree:
+ pci_set_drvdata(pdev, NULL);
+ kfree(dev);
+err_pci_disable_device:
+ pci_disable_device(pdev);
+ return ret;
+}
+
+static void smi_remove(struct pci_dev *pdev)
+{
+ struct smi_dev *dev = pci_get_drvdata(pdev);
+
+ smi_write(MSI_INT_ENA_CLR, ALL_INT);
+ free_irq(dev->pci_dev->irq, dev);
+#ifdef CONFIG_PCI_MSI
+ pci_disable_msi(dev->pci_dev);
+#endif
+ if (dev->info->ts_1)
+ smi_port_detach(&dev->ts_port[1]);
+ if (dev->info->ts_0)
+ smi_port_detach(&dev->ts_port[0]);
+
+ smi_i2c_exit(dev);
+ iounmap(dev->lmmio);
+ pci_set_drvdata(pdev, NULL);
+ pci_disable_device(pdev);
+ kfree(dev);
+}
+
+/* DVBSky cards */
+static struct smi_cfg_info dvbsky_s950_cfg = {
+ .type = SMI_DVBSKY_S950,
+ .name = "DVBSky S950 V3",
+ .ts_0 = SMI_TS_NULL,
+ .ts_1 = SMI_TS_DMA_BOTH,
+ .fe_0 = DVBSKY_FE_NULL,
+ .fe_1 = DVBSKY_FE_M88DS3103,
+};
+
+static struct smi_cfg_info dvbsky_s952_cfg = {
+ .type = SMI_DVBSKY_S952,
+ .name = "DVBSky S952 V3",
+ .ts_0 = SMI_TS_DMA_BOTH,
+ .ts_1 = SMI_TS_DMA_BOTH,
+ .fe_0 = DVBSKY_FE_M88RS6000,
+ .fe_1 = DVBSKY_FE_M88RS6000,
+};
+
+static struct smi_cfg_info dvbsky_t9580_cfg = {
+ .type = SMI_DVBSKY_T9580,
+ .name = "DVBSky T9580 V3",
+ .ts_0 = SMI_TS_DMA_BOTH,
+ .ts_1 = SMI_TS_DMA_BOTH,
+ .fe_0 = DVBSKY_FE_SIT2,
+ .fe_1 = DVBSKY_FE_M88DS3103,
+};
+
+/* PCI IDs */
+#define SMI_ID(_subvend, _subdev, _driverdata) { \
+ .vendor = SMI_VID, .device = SMI_PID, \
+ .subvendor = _subvend, .subdevice = _subdev, \
+ .driver_data = (unsigned long)&_driverdata }
+
+static const struct pci_device_id smi_id_table[] = {
+ SMI_ID(0x4254, 0x0550, dvbsky_s950_cfg),
+ SMI_ID(0x4254, 0x0552, dvbsky_s952_cfg),
+ SMI_ID(0x4254, 0x5580, dvbsky_t9580_cfg),
+ {0}
+};
+MODULE_DEVICE_TABLE(pci, smi_id_table);
+
+static struct pci_driver smipcie_driver = {
+ .name = "SMI PCIe driver",
+ .id_table = smi_id_table,
+ .probe = smi_probe,
+ .remove = smi_remove,
+};
+
+module_pci_driver(smipcie_driver);
+
+MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>");
+MODULE_DESCRIPTION("SMI PCIe driver");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff