#include "af9013_priv.h"
-/* Max transfer size done by I2C transfer functions */
-#define MAX_XFER_SIZE 64
-
struct af9013_state {
struct i2c_client *client;
+ struct regmap *regmap;
struct dvb_frontend fe;
u32 clk;
u8 tuner;
struct delayed_work statistics_work;
};
-/* write multiple registers */
-static int af9013_wr_regs_i2c(struct af9013_state *state, u8 mbox, u16 reg,
- const u8 *val, int len)
-{
- struct i2c_client *client = state->client;
- int ret;
- u8 buf[MAX_XFER_SIZE];
- struct i2c_msg msg[1] = {
- {
- .addr = state->client->addr,
- .flags = 0,
- .len = 3 + len,
- .buf = buf,
- }
- };
-
- if (3 + len > sizeof(buf)) {
- dev_warn(&client->dev, "i2c wr reg %04x, len %d, is too big!\n",
- reg, len);
- return -EINVAL;
- }
-
- buf[0] = (reg >> 8) & 0xff;
- buf[1] = (reg >> 0) & 0xff;
- buf[2] = mbox;
- memcpy(&buf[3], val, len);
-
- ret = i2c_transfer(state->client->adapter, msg, 1);
- if (ret == 1) {
- ret = 0;
- } else {
- dev_warn(&client->dev, "i2c wr failed %d, reg %04x, len %d\n",
- ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* read multiple registers */
-static int af9013_rd_regs_i2c(struct af9013_state *state, u8 mbox, u16 reg,
- u8 *val, int len)
-{
- struct i2c_client *client = state->client;
- int ret;
- u8 buf[3];
- struct i2c_msg msg[2] = {
- {
- .addr = state->client->addr,
- .flags = 0,
- .len = 3,
- .buf = buf,
- }, {
- .addr = state->client->addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = val,
- }
- };
-
- buf[0] = (reg >> 8) & 0xff;
- buf[1] = (reg >> 0) & 0xff;
- buf[2] = mbox;
-
- ret = i2c_transfer(state->client->adapter, msg, 2);
- if (ret == 2) {
- ret = 0;
- } else {
- dev_warn(&client->dev, "i2c rd failed %d, reg %04x, len %d\n",
- ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* write multiple registers */
-static int af9013_wr_regs(struct af9013_state *state, u16 reg, const u8 *val,
- int len)
-{
- int ret, i;
- u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0);
-
- if ((state->ts_mode == AF9013_TS_USB) &&
- ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
- mbox |= ((len - 1) << 2);
- ret = af9013_wr_regs_i2c(state, mbox, reg, val, len);
- } else {
- for (i = 0; i < len; i++) {
- ret = af9013_wr_regs_i2c(state, mbox, reg+i, val+i, 1);
- if (ret)
- goto err;
- }
- }
-
-err:
- return 0;
-}
-
-/* read multiple registers */
-static int af9013_rd_regs(struct af9013_state *state, u16 reg, u8 *val, int len)
-{
- int ret, i;
- u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0);
-
- if ((state->ts_mode == AF9013_TS_USB) &&
- ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
- mbox |= ((len - 1) << 2);
- ret = af9013_rd_regs_i2c(state, mbox, reg, val, len);
- } else {
- for (i = 0; i < len; i++) {
- ret = af9013_rd_regs_i2c(state, mbox, reg+i, val+i, 1);
- if (ret)
- goto err;
- }
- }
-
-err:
- return 0;
-}
-
-/* write single register */
-static int af9013_wr_reg(struct af9013_state *state, u16 reg, u8 val)
-{
- return af9013_wr_regs(state, reg, &val, 1);
-}
-
-/* read single register */
-static int af9013_rd_reg(struct af9013_state *state, u16 reg, u8 *val)
-{
- return af9013_rd_regs(state, reg, val, 1);
-}
-
-static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
- u8 len)
-{
- u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0);
- return af9013_wr_regs_i2c(state, mbox, reg, val, len);
-}
-
-static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,
- int len, u8 val)
-{
- int ret;
- u8 tmp, mask;
-
- /* no need for read if whole reg is written */
- if (len != 8) {
- ret = af9013_rd_reg(state, reg, &tmp);
- if (ret)
- return ret;
-
- mask = (0xff >> (8 - len)) << pos;
- val <<= pos;
- tmp &= ~mask;
- val |= tmp;
- }
-
- return af9013_wr_reg(state, reg, val);
-}
-
-static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,
- int len, u8 *val)
-{
- int ret;
- u8 tmp;
-
- ret = af9013_rd_reg(state, reg, &tmp);
- if (ret)
- return ret;
-
- *val = (tmp >> pos);
- *val &= (0xff >> (8 - len));
-
- return 0;
-}
-
static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
{
struct i2c_client *client = state->client;
break;
}
- ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
+ ret = regmap_update_bits(state->regmap, addr, 0x0f << pos,
+ gpioval << pos);
if (ret)
goto err;
static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
{
struct i2c_client *client = state->client;
- int ret, i;
- u8 tmp;
+ int ret;
+ unsigned int utmp;
dev_dbg(&client->dev, "onoff %d\n", onoff);
/* enable reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x10);
if (ret)
goto err;
/* start reset mechanism */
- ret = af9013_wr_reg(state, 0xaeff, 1);
+ ret = regmap_write(state->regmap, 0xaeff, 0x01);
if (ret)
goto err;
/* wait reset performs */
- for (i = 0; i < 150; i++) {
- ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);
- if (ret)
- goto err;
-
- if (tmp)
- break; /* reset done */
-
- usleep_range(5000, 25000);
- }
+ ret = regmap_read_poll_timeout(state->regmap, 0xd417, utmp,
+ (utmp >> 1) & 0x01, 5000, 1000000);
+ if (ret)
+ goto err;
- if (!tmp)
+ if (!((utmp >> 1) & 0x01))
return -ETIMEDOUT;
if (onoff) {
/* clear reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x02, 0x00);
if (ret)
goto err;
-
/* disable reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);
-
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x00);
+ if (ret)
+ goto err;
/* power on */
- ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x00);
+ if (ret)
+ goto err;
} else {
/* power off */
- ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x08);
+ if (ret)
+ goto err;
}
return ret;
dev_dbg(&client->dev, "\n");
/* reset and start BER counter */
- ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd391, 0x10, 0x10);
if (ret)
goto err;
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
int ret;
+ unsigned int utmp;
u8 buf[5];
dev_dbg(&client->dev, "\n");
/* check if error bit count is ready */
- ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
+ ret = regmap_read(state->regmap, 0xd391, &utmp);
if (ret)
goto err;
- if (!buf[0]) {
+ if (!((utmp >> 4) & 0x01)) {
dev_dbg(&client->dev, "not ready\n");
return 0;
}
- ret = af9013_rd_regs(state, 0xd387, buf, 5);
+ ret = regmap_bulk_read(state->regmap, 0xd387, buf, 5);
if (ret)
goto err;
dev_dbg(&client->dev, "\n");
/* start SNR meas */
- ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd2e1, 0x08, 0x08);
if (ret)
goto err;
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
int ret, i, len;
- u8 buf[3], tmp;
+ unsigned int utmp;
+ u8 buf[3];
u32 snr_val;
const struct af9013_snr *uninitialized_var(snr_lut);
dev_dbg(&client->dev, "\n");
/* check if SNR ready */
- ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd2e1, &utmp);
if (ret)
goto err;
- if (!tmp) {
+ if (!((utmp >> 3) & 0x01)) {
dev_dbg(&client->dev, "not ready\n");
return 0;
}
/* read value */
- ret = af9013_rd_regs(state, 0xd2e3, buf, 3);
+ ret = regmap_bulk_read(state->regmap, 0xd2e3, buf, 3);
if (ret)
goto err;
snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
/* read current modulation */
- ret = af9013_rd_reg(state, 0xd3c1, &tmp);
+ ret = regmap_read(state->regmap, 0xd3c1, &utmp);
if (ret)
goto err;
- switch ((tmp >> 6) & 3) {
+ switch ((utmp >> 6) & 3) {
case 0:
len = ARRAY_SIZE(qpsk_snr_lut);
snr_lut = qpsk_snr_lut;
}
for (i = 0; i < len; i++) {
- tmp = snr_lut[i].snr;
+ utmp = snr_lut[i].snr;
if (snr_val < snr_lut[i].val)
break;
}
- state->snr = tmp * 10; /* dB/10 */
+ state->snr = utmp * 10; /* dB/10 */
return ret;
err:
if (!state->signal_strength_en)
return 0;
- ret = af9013_rd_regs(state, 0xd07c, buf, 2);
+ ret = regmap_bulk_read(state->regmap, 0xd07c, buf, 2);
if (ret)
goto err;
if (i == ARRAY_SIZE(coeff_lut))
return -EINVAL;
- ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
- sizeof(coeff_lut[i].val));
+ ret = regmap_bulk_write(state->regmap, 0xae00, coeff_lut[i].val,
+ sizeof(coeff_lut[i].val));
if (ret)
goto err;
}
buf[4] = (freq_cw >> 8) & 0xff;
buf[5] = (freq_cw >> 16) & 0x7f;
- ret = af9013_wr_regs(state, 0xd140, buf, 3);
+ ret = regmap_bulk_write(state->regmap, 0xd140, buf, 3);
if (ret)
goto err;
- ret = af9013_wr_regs(state, 0x9be7, buf, 6);
+ ret = regmap_bulk_write(state->regmap, 0x9be7, buf, 6);
if (ret)
goto err;
}
/* clear TPS lock flag */
- ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd330, 0x08, 0x08);
if (ret)
goto err;
/* clear MPEG2 lock flag */
- ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd507, 0x40, 0x00);
if (ret)
goto err;
/* empty channel function */
- ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0x9bfe, 0x01, 0x00);
if (ret)
goto err;
/* empty DVB-T channel function */
- ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0x9bc2, 0x01, 0x00);
if (ret)
goto err;
goto err;
}
- ret = af9013_wr_regs(state, 0xd3c0, buf, 3);
+ ret = regmap_bulk_write(state->regmap, 0xd3c0, buf, 3);
if (ret)
goto err;
if (auto_mode) {
/* clear easy mode flag */
- ret = af9013_wr_reg(state, 0xaefd, 0);
+ ret = regmap_write(state->regmap, 0xaefd, 0x00);
if (ret)
goto err;
dev_dbg(&client->dev, "auto params\n");
} else {
/* set easy mode flag */
- ret = af9013_wr_reg(state, 0xaefd, 1);
+ ret = regmap_write(state->regmap, 0xaefd, 0x01);
if (ret)
goto err;
- ret = af9013_wr_reg(state, 0xaefe, 0);
+ ret = regmap_write(state->regmap, 0xaefe, 0x00);
if (ret)
goto err;
dev_dbg(&client->dev, "manual params\n");
}
- /* tune */
- ret = af9013_wr_reg(state, 0xffff, 0);
+ /* Reset FSM */
+ ret = regmap_write(state->regmap, 0xffff, 0x00);
if (ret)
goto err;
dev_dbg(&client->dev, "\n");
- ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
+ ret = regmap_bulk_read(state->regmap, 0xd3c0, buf, 3);
if (ret)
goto err;
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
int ret;
- u8 tmp;
+ unsigned int utmp;
/*
* Return status from the cache if it is younger than 2000ms with the
}
/* MPEG2 lock */
- ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd507, &utmp);
if (ret)
goto err;
- if (tmp)
+ if ((utmp >> 6) & 0x01)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
FE_HAS_SYNC | FE_HAS_LOCK;
if (!*status) {
/* TPS lock */
- ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd330, &utmp);
if (ret)
goto err;
- if (tmp)
+ if ((utmp >> 3) & 0x01)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
FE_HAS_VITERBI;
}
struct af9013_state *state = fe->demodulator_priv;
struct i2c_client *client = state->client;
int ret, i, len;
- u8 buf[3], tmp;
- u32 adc_cw;
+ unsigned int utmp;
+ u8 buf[3];
const struct af9013_reg_bit *init;
dev_dbg(&client->dev, "\n");
goto err;
/* enable ADC */
- ret = af9013_wr_reg(state, 0xd73a, 0xa4);
+ ret = regmap_write(state->regmap, 0xd73a, 0xa4);
if (ret)
goto err;
/* write API version to firmware */
- ret = af9013_wr_regs(state, 0x9bf2, state->api_version, 4);
+ ret = regmap_bulk_write(state->regmap, 0x9bf2, state->api_version, 4);
if (ret)
goto err;
/* program ADC control */
switch (state->clk) {
case 28800000: /* 28.800 MHz */
- tmp = 0;
+ utmp = 0;
break;
case 20480000: /* 20.480 MHz */
- tmp = 1;
+ utmp = 1;
break;
case 28000000: /* 28.000 MHz */
- tmp = 2;
+ utmp = 2;
break;
case 25000000: /* 25.000 MHz */
- tmp = 3;
+ utmp = 3;
break;
default:
ret = -EINVAL;
goto err;
}
- adc_cw = div_u64((u64)state->clk * 0x80000, 1000000);
- buf[0] = (adc_cw >> 0) & 0xff;
- buf[1] = (adc_cw >> 8) & 0xff;
- buf[2] = (adc_cw >> 16) & 0xff;
- ret = af9013_wr_regs(state, 0xd180, buf, 3);
+ ret = regmap_update_bits(state->regmap, 0x9bd2, 0x0f, utmp);
if (ret)
goto err;
- ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);
+ utmp = div_u64((u64)state->clk * 0x80000, 1000000);
+ buf[0] = (utmp >> 0) & 0xff;
+ buf[1] = (utmp >> 8) & 0xff;
+ buf[2] = (utmp >> 16) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0xd180, buf, 3);
if (ret)
goto err;
/* set I2C master clock */
- ret = af9013_wr_reg(state, 0xd416, 0x14);
+ ret = regmap_write(state->regmap, 0xd416, 0x14);
if (ret)
goto err;
/* set 16 embx */
- ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd700, 0x02, 0x02);
if (ret)
goto err;
/* set no trigger */
- ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd700, 0x04, 0x00);
if (ret)
goto err;
/* set read-update bit for constellation */
- ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd371, 0x02, 0x02);
if (ret)
goto err;
/* settings for mp2if */
if (state->ts_mode == AF9013_TS_USB) {
/* AF9015 split PSB to 1.5k + 0.5k */
- ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd50b, 0x04, 0x04);
if (ret)
goto err;
} else {
/* AF9013 change the output bit to data7 */
- ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd500, 0x08, 0x08);
if (ret)
goto err;
/* AF9013 set mpeg to full speed */
- ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd502, 0x10, 0x10);
if (ret)
goto err;
}
- ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd520, 0x10, 0x10);
if (ret)
goto err;
len = ARRAY_SIZE(ofsm_init);
init = ofsm_init;
for (i = 0; i < len; i++) {
- ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
- init[i].len, init[i].val);
+ u16 reg = init[i].addr;
+ u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
+ u8 val = init[i].val << init[i].pos;
+
+ ret = regmap_update_bits(state->regmap, reg, mask, val);
if (ret)
goto err;
}
}
for (i = 0; i < len; i++) {
- ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
- init[i].len, init[i].val);
+ u16 reg = init[i].addr;
+ u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
+ u8 val = init[i].val << init[i].pos;
+
+ ret = regmap_update_bits(state->regmap, reg, mask, val);
if (ret)
goto err;
}
/* TS mode */
- ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->ts_mode);
+ ret = regmap_update_bits(state->regmap, 0xd500, 0x06,
+ state->ts_mode << 1);
if (ret)
goto err;
/* enable lock led */
- ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x01);
if (ret)
goto err;
/* check if we support signal strength */
if (!state->signal_strength_en) {
- ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,
- &state->signal_strength_en);
+ ret = regmap_read(state->regmap, 0x9bee, &utmp);
if (ret)
goto err;
+
+ state->signal_strength_en = (utmp >> 0) & 0x01;
}
/* read values needed for signal strength calculation */
if (state->signal_strength_en && !state->rf_50) {
- ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);
+ ret = regmap_bulk_read(state->regmap, 0x9bbd, &state->rf_50, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);
+ ret = regmap_bulk_read(state->regmap, 0x9bd0, &state->rf_80, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9be2, &state->if_50);
+ ret = regmap_bulk_read(state->regmap, 0x9be2, &state->if_50, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9be4, &state->if_80);
+ ret = regmap_bulk_read(state->regmap, 0x9be4, &state->if_80, 1);
if (ret)
goto err;
}
/* SNR */
- ret = af9013_wr_reg(state, 0xd2e2, 1);
+ ret = regmap_write(state->regmap, 0xd2e2, 0x01);
if (ret)
goto err;
/* BER / UCB */
buf[0] = (10000 >> 0) & 0xff;
buf[1] = (10000 >> 8) & 0xff;
- ret = af9013_wr_regs(state, 0xd385, buf, 2);
+ ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
if (ret)
goto err;
/* enable FEC monitor */
- ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd392, 0x02, 0x02);
if (ret)
goto err;
cancel_delayed_work_sync(&state->statistics_work);
/* disable lock led */
- ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x00);
if (ret)
goto err;
return 0;
if (state->ts_mode == AF9013_TS_USB)
- ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x08,
+ enable << 3);
else
- ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);
+ ret = regmap_update_bits(state->regmap, 0xd607, 0x04,
+ enable << 2);
if (ret)
goto err;
{
struct i2c_client *client = state->client;
int i, len, remaining, ret;
+ unsigned int utmp;
const struct firmware *fw;
u16 checksum = 0;
- u8 val;
u8 fw_params[4];
u8 *fw_file = AF9013_FIRMWARE;
msleep(100);
/* check whether firmware is already running */
- ret = af9013_rd_reg(state, 0x98be, &val);
+ ret = regmap_read(state->regmap, 0x98be, &utmp);
if (ret)
goto err;
else
- dev_dbg(&client->dev, "firmware status %02x\n", val);
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
- if (val == 0x0c) /* fw is running, no need for download */
+ if (utmp == 0x0c) /* fw is running, no need for download */
goto exit;
dev_info(&client->dev, "found a '%s' in cold state, will try to load a firmware\n",
fw_params[3] = fw->size & 0xff;
/* write fw checksum & size */
- ret = af9013_write_ofsm_regs(state, 0x50fc,
- fw_params, sizeof(fw_params));
+ ret = regmap_bulk_write(state->regmap, 0x50fc, fw_params,
+ sizeof(fw_params));
+
if (ret)
goto err_release;
if (len > LEN_MAX)
len = LEN_MAX;
- ret = af9013_write_ofsm_regs(state,
- FW_ADDR + fw->size - remaining,
- (u8 *) &fw->data[fw->size - remaining], len);
+ ret = regmap_bulk_write(state->regmap,
+ FW_ADDR + fw->size - remaining,
+ &fw->data[fw->size - remaining], len);
if (ret) {
dev_err(&client->dev, "firmware download failed %d\n",
ret);
}
/* request boot firmware */
- ret = af9013_wr_reg(state, 0xe205, 1);
+ ret = regmap_write(state->regmap, 0xe205, 0x01);
if (ret)
goto err_release;
- for (i = 0; i < 15; i++) {
- msleep(100);
-
- /* check firmware status */
- ret = af9013_rd_reg(state, 0x98be, &val);
- if (ret)
- goto err_release;
-
- dev_dbg(&client->dev, "firmware status %02x\n", val);
+ /* Check firmware status. 0c=OK, 04=fail */
+ ret = regmap_read_poll_timeout(state->regmap, 0x98be, utmp,
+ (utmp == 0x0c || utmp == 0x04),
+ 5000, 1000000);
+ if (ret)
+ goto err_release;
- if (val == 0x0c || val == 0x04) /* success or fail */
- break;
- }
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
- if (val == 0x04) {
+ if (utmp == 0x04) {
dev_err(&client->dev, "firmware did not run\n");
ret = -ENODEV;
- } else if (val != 0x0c) {
+ } else if (utmp != 0x0c) {
dev_err(&client->dev, "firmware boot timeout\n");
ret = -ENODEV;
}
return &state->fe;
}
+/* Own I2C access routines needed for regmap as chip uses extra command byte */
+static int af9013_wregs(struct i2c_client *client, u8 cmd, u16 reg,
+ const u8 *val, int len)
+{
+ int ret;
+ u8 buf[21];
+ struct i2c_msg msg[1] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3 + len,
+ .buf = buf,
+ }
+ };
+
+ if (3 + len > sizeof(buf)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+ memcpy(&buf[3], val, len);
+ ret = i2c_transfer(client->adapter, msg, 1);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 1) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_rregs(struct i2c_client *client, u8 cmd, u16 reg,
+ u8 *val, int len)
+{
+ int ret;
+ u8 buf[3];
+ struct i2c_msg msg[2] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3,
+ .buf = buf,
+ }, {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = val,
+ }
+ };
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+ ret = i2c_transfer(client->adapter, msg, 2);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 2) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_write(void *context, const void *data, size_t count)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u16 reg = ((u8 *)data)[0] << 8|((u8 *)data)[1] << 0;
+ u8 *val = &((u8 *)data)[2];
+ const unsigned int len = count - 2;
+
+ if (state->ts_mode == AF9013_TS_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len);
+ if (ret)
+ goto err;
+ } else if (reg >= 0x5100 && reg < 0x8fff) {
+ /* Firmware download */
+ cmd = 1 << 7|1 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|1 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_wregs(client, cmd, reg + i, val + i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_read(void *context, const void *reg_buf,
+ size_t reg_size, void *val_buf, size_t val_size)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u16 reg = ((u8 *)reg_buf)[0] << 8|((u8 *)reg_buf)[1] << 0;
+ u8 *val = &((u8 *)val_buf)[0];
+ const unsigned int len = val_size;
+
+ if (state->ts_mode == AF9013_TS_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|0 << 0;
+ ret = af9013_rregs(client, cmd, reg, val_buf, len);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|0 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_rregs(client, cmd, reg + i, val + i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
static int af9013_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct af9013_platform_data *pdata = client->dev.platform_data;
int ret, i;
u8 firmware_version[4];
+ static const struct regmap_bus regmap_bus = {
+ .read = af9013_regmap_read,
+ .write = af9013_regmap_write,
+ };
+ static const struct regmap_config regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ };
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state) {
memcpy(&state->api_version, pdata->api_version, sizeof(state->api_version));
memcpy(&state->gpio, pdata->gpio, sizeof(state->gpio));
INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
+ state->regmap = regmap_init(&client->dev, ®map_bus, client,
+ ®map_config);
+ if (IS_ERR(state->regmap)) {
+ ret = PTR_ERR(state->regmap);
+ goto err_kfree;
+ }
/* Download firmware */
if (state->ts_mode != AF9013_TS_USB) {
ret = af9013_download_firmware(state);
if (ret)
- goto err_kfree;
+ goto err_regmap_exit;
}
/* Firmware version */
- ret = af9013_rd_regs(state, 0x5103, firmware_version,
- sizeof(firmware_version));
+ ret = regmap_bulk_read(state->regmap, 0x5103, firmware_version,
+ sizeof(firmware_version));
if (ret)
- goto err_kfree;
+ goto err_regmap_exit;
/* Set GPIOs */
for (i = 0; i < sizeof(state->gpio); i++) {
ret = af9013_set_gpio(state, i, state->gpio[i]);
if (ret)
- goto err_kfree;
+ goto err_regmap_exit;
}
/* Create dvb frontend */
firmware_version[0], firmware_version[1],
firmware_version[2], firmware_version[3]);
return 0;
+err_regmap_exit:
+ regmap_exit(state->regmap);
err_kfree:
kfree(state);
err:
/* Stop statistics polling */
cancel_delayed_work_sync(&state->statistics_work);
+ regmap_exit(state->regmap);
+
kfree(state);
return 0;
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff