Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / media / usb / dvb-usb-v2 / mxl111sf-phy.c
diff --git a/kernel/drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c b/kernel/drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c
new file mode 100644 (file)
index 0000000..5b01911
--- /dev/null
@@ -0,0 +1,337 @@
+/*
+ *  mxl111sf-phy.c - driver for the MaxLinear MXL111SF
+ *
+ *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "mxl111sf-phy.h"
+#include "mxl111sf-reg.h"
+
+int mxl111sf_init_tuner_demod(struct mxl111sf_state *state)
+{
+       struct mxl111sf_reg_ctrl_info mxl_111_overwrite_default[] = {
+               {0x07, 0xff, 0x0c},
+               {0x58, 0xff, 0x9d},
+               {0x09, 0xff, 0x00},
+               {0x06, 0xff, 0x06},
+               {0xc8, 0xff, 0x40}, /* ED_LE_WIN_OLD = 0 */
+               {0x8d, 0x01, 0x01}, /* NEGATE_Q */
+               {0x32, 0xff, 0xac}, /* DIG_RFREFSELECT = 12 */
+               {0x42, 0xff, 0x43}, /* DIG_REG_AMP = 4 */
+               {0x74, 0xff, 0xc4}, /* SSPUR_FS_PRIO = 4 */
+               {0x71, 0xff, 0xe6}, /* SPUR_ROT_PRIO_VAL = 1 */
+               {0x83, 0xff, 0x64}, /* INF_FILT1_THD_SC = 100 */
+               {0x85, 0xff, 0x64}, /* INF_FILT2_THD_SC = 100 */
+               {0x88, 0xff, 0xf0}, /* INF_THD = 240 */
+               {0x6f, 0xf0, 0xb0}, /* DFE_DLY = 11 */
+               {0x00, 0xff, 0x01}, /* Change to page 1 */
+               {0x81, 0xff, 0x11}, /* DSM_FERR_BYPASS = 1 */
+               {0xf4, 0xff, 0x07}, /* DIG_FREQ_CORR = 1 */
+               {0xd4, 0x1f, 0x0f}, /* SPUR_TEST_NOISE_TH = 15 */
+               {0xd6, 0xff, 0x0c}, /* SPUR_TEST_NOISE_PAPR = 12 */
+               {0x00, 0xff, 0x00}, /* Change to page 0 */
+               {0,    0,    0}
+       };
+
+       mxl_debug("()");
+
+       return mxl111sf_ctrl_program_regs(state, mxl_111_overwrite_default);
+}
+
+int mxl1x1sf_soft_reset(struct mxl111sf_state *state)
+{
+       int ret;
+       mxl_debug("()");
+
+       ret = mxl111sf_write_reg(state, 0xff, 0x00); /* AIC */
+       if (mxl_fail(ret))
+               goto fail;
+       ret = mxl111sf_write_reg(state, 0x02, 0x01); /* get out of reset */
+       mxl_fail(ret);
+fail:
+       return ret;
+}
+
+int mxl1x1sf_set_device_mode(struct mxl111sf_state *state, int mode)
+{
+       int ret;
+
+       mxl_debug("(%s)", MXL_SOC_MODE == mode ?
+               "MXL_SOC_MODE" : "MXL_TUNER_MODE");
+
+       /* set device mode */
+       ret = mxl111sf_write_reg(state, 0x03,
+                                MXL_SOC_MODE == mode ? 0x01 : 0x00);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl111sf_write_reg_mask(state,
+                                     0x7d, 0x40, MXL_SOC_MODE == mode ?
+                                     0x00 : /* enable impulse noise filter,
+                                               INF_BYP = 0 */
+                                     0x40); /* disable impulse noise filter,
+                                               INF_BYP = 1 */
+       if (mxl_fail(ret))
+               goto fail;
+
+       state->device_mode = mode;
+fail:
+       return ret;
+}
+
+/* power up tuner */
+int mxl1x1sf_top_master_ctrl(struct mxl111sf_state *state, int onoff)
+{
+       mxl_debug("(%d)", onoff);
+
+       return mxl111sf_write_reg(state, 0x01, onoff ? 0x01 : 0x00);
+}
+
+int mxl111sf_disable_656_port(struct mxl111sf_state *state)
+{
+       mxl_debug("()");
+
+       return mxl111sf_write_reg_mask(state, 0x12, 0x04, 0x00);
+}
+
+int mxl111sf_enable_usb_output(struct mxl111sf_state *state)
+{
+       mxl_debug("()");
+
+       return mxl111sf_write_reg_mask(state, 0x17, 0x40, 0x00);
+}
+
+/* initialize TSIF as input port of MxL1X1SF for MPEG2 data transfer */
+int mxl111sf_config_mpeg_in(struct mxl111sf_state *state,
+                           unsigned int parallel_serial,
+                           unsigned int msb_lsb_1st,
+                           unsigned int clock_phase,
+                           unsigned int mpeg_valid_pol,
+                           unsigned int mpeg_sync_pol)
+{
+       int ret;
+       u8 mode, tmp;
+
+       mxl_debug("(%u,%u,%u,%u,%u)", parallel_serial, msb_lsb_1st,
+                 clock_phase, mpeg_valid_pol, mpeg_sync_pol);
+
+       /* Enable PIN MUX */
+       ret = mxl111sf_write_reg(state, V6_PIN_MUX_MODE_REG, V6_ENABLE_PIN_MUX);
+       mxl_fail(ret);
+
+       /* Configure MPEG Clock phase */
+       mxl111sf_read_reg(state, V6_MPEG_IN_CLK_INV_REG, &mode);
+
+       if (clock_phase == TSIF_NORMAL)
+               mode &= ~V6_INVERTED_CLK_PHASE;
+       else
+               mode |= V6_INVERTED_CLK_PHASE;
+
+       ret = mxl111sf_write_reg(state, V6_MPEG_IN_CLK_INV_REG, mode);
+       mxl_fail(ret);
+
+       /* Configure data input mode, MPEG Valid polarity, MPEG Sync polarity
+        * Get current configuration */
+       ret = mxl111sf_read_reg(state, V6_MPEG_IN_CTRL_REG, &mode);
+       mxl_fail(ret);
+
+       /* Data Input mode */
+       if (parallel_serial == TSIF_INPUT_PARALLEL) {
+               /* Disable serial mode */
+               mode &= ~V6_MPEG_IN_DATA_SERIAL;
+
+               /* Enable Parallel mode */
+               mode |= V6_MPEG_IN_DATA_PARALLEL;
+       } else {
+               /* Disable Parallel mode */
+               mode &= ~V6_MPEG_IN_DATA_PARALLEL;
+
+               /* Enable Serial Mode */
+               mode |= V6_MPEG_IN_DATA_SERIAL;
+
+               /* If serial interface is chosen, configure
+                  MSB or LSB order in transmission */
+               ret = mxl111sf_read_reg(state,
+                                       V6_MPEG_INOUT_BIT_ORDER_CTRL_REG,
+                                       &tmp);
+               mxl_fail(ret);
+
+               if (msb_lsb_1st == MPEG_SER_MSB_FIRST_ENABLED)
+                       tmp |= V6_MPEG_SER_MSB_FIRST;
+               else
+                       tmp &= ~V6_MPEG_SER_MSB_FIRST;
+
+               ret = mxl111sf_write_reg(state,
+                                        V6_MPEG_INOUT_BIT_ORDER_CTRL_REG,
+                                        tmp);
+               mxl_fail(ret);
+       }
+
+       /* MPEG Sync polarity */
+       if (mpeg_sync_pol == TSIF_NORMAL)
+               mode &= ~V6_INVERTED_MPEG_SYNC;
+       else
+               mode |= V6_INVERTED_MPEG_SYNC;
+
+       /* MPEG Valid polarity */
+       if (mpeg_valid_pol == 0)
+               mode &= ~V6_INVERTED_MPEG_VALID;
+       else
+               mode |= V6_INVERTED_MPEG_VALID;
+
+       ret = mxl111sf_write_reg(state, V6_MPEG_IN_CTRL_REG, mode);
+       mxl_fail(ret);
+
+       return ret;
+}
+
+int mxl111sf_init_i2s_port(struct mxl111sf_state *state, u8 sample_size)
+{
+       static struct mxl111sf_reg_ctrl_info init_i2s[] = {
+               {0x1b, 0xff, 0x1e}, /* pin mux mode, Choose 656/I2S input */
+               {0x15, 0x60, 0x60}, /* Enable I2S */
+               {0x17, 0xe0, 0x20}, /* Input, MPEG MODE USB,
+                                      Inverted 656 Clock, I2S_SOFT_RESET,
+                                      0 : Normal operation, 1 : Reset State */
+#if 0
+               {0x12, 0x01, 0x00}, /* AUDIO_IRQ_CLR (Overflow Indicator) */
+#endif
+               {0x00, 0xff, 0x02}, /* Change to Control Page */
+               {0x26, 0x0d, 0x0d}, /* I2S_MODE & BT656_SRC_SEL for FPGA only */
+               {0x00, 0xff, 0x00},
+               {0,    0,    0}
+       };
+       int ret;
+
+       mxl_debug("(0x%02x)", sample_size);
+
+       ret = mxl111sf_ctrl_program_regs(state, init_i2s);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl111sf_write_reg(state, V6_I2S_NUM_SAMPLES_REG, sample_size);
+       mxl_fail(ret);
+fail:
+       return ret;
+}
+
+int mxl111sf_disable_i2s_port(struct mxl111sf_state *state)
+{
+       static struct mxl111sf_reg_ctrl_info disable_i2s[] = {
+               {0x15, 0x40, 0x00},
+               {0,    0,    0}
+       };
+
+       mxl_debug("()");
+
+       return mxl111sf_ctrl_program_regs(state, disable_i2s);
+}
+
+int mxl111sf_config_i2s(struct mxl111sf_state *state,
+                       u8 msb_start_pos, u8 data_width)
+{
+       int ret;
+       u8 tmp;
+
+       mxl_debug("(0x%02x, 0x%02x)", msb_start_pos, data_width);
+
+       ret = mxl111sf_read_reg(state, V6_I2S_STREAM_START_BIT_REG, &tmp);
+       if (mxl_fail(ret))
+               goto fail;
+
+       tmp &= 0xe0;
+       tmp |= msb_start_pos;
+       ret = mxl111sf_write_reg(state, V6_I2S_STREAM_START_BIT_REG, tmp);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl111sf_read_reg(state, V6_I2S_STREAM_END_BIT_REG, &tmp);
+       if (mxl_fail(ret))
+               goto fail;
+
+       tmp &= 0xe0;
+       tmp |= data_width;
+       ret = mxl111sf_write_reg(state, V6_I2S_STREAM_END_BIT_REG, tmp);
+       mxl_fail(ret);
+fail:
+       return ret;
+}
+
+int mxl111sf_config_spi(struct mxl111sf_state *state, int onoff)
+{
+       u8 val;
+       int ret;
+
+       mxl_debug("(%d)", onoff);
+
+       ret = mxl111sf_write_reg(state, 0x00, 0x02);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl111sf_read_reg(state, V8_SPI_MODE_REG, &val);
+       if (mxl_fail(ret))
+               goto fail;
+
+       if (onoff)
+               val |= 0x04;
+       else
+               val &= ~0x04;
+
+       ret = mxl111sf_write_reg(state, V8_SPI_MODE_REG, val);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl111sf_write_reg(state, 0x00, 0x00);
+       mxl_fail(ret);
+fail:
+       return ret;
+}
+
+int mxl111sf_idac_config(struct mxl111sf_state *state,
+                        u8 control_mode, u8 current_setting,
+                        u8 current_value, u8 hysteresis_value)
+{
+       int ret;
+       u8 val;
+       /* current value will be set for both automatic & manual IDAC control */
+       val = current_value;
+
+       if (control_mode == IDAC_MANUAL_CONTROL) {
+               /* enable manual control of IDAC */
+               val |= IDAC_MANUAL_CONTROL_BIT_MASK;
+
+               if (current_setting == IDAC_CURRENT_SINKING_ENABLE)
+                       /* enable current sinking in manual mode */
+                       val |= IDAC_CURRENT_SINKING_BIT_MASK;
+               else
+                       /* disable current sinking in manual mode */
+                       val &= ~IDAC_CURRENT_SINKING_BIT_MASK;
+       } else {
+               /* disable manual control of IDAC */
+               val &= ~IDAC_MANUAL_CONTROL_BIT_MASK;
+
+               /* set hysteresis value  reg: 0x0B<5:0> */
+               ret = mxl111sf_write_reg(state, V6_IDAC_HYSTERESIS_REG,
+                                        (hysteresis_value & 0x3F));
+               mxl_fail(ret);
+       }
+
+       ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val);
+       mxl_fail(ret);
+
+       return ret;
+}