drivers/bus/ts-nbus.c

102

static void ts_nbus_reset_bus(struct ts_nbus *ts_nbus)

drivers/bus/ts-nbus.c

108

gpiod_set_array_value_cansleep(8, ts_nbus->data->desc,

drivers/bus/ts-nbus.c

109

ts_nbus->data->info, values);

drivers/bus/ts-nbus.c

110

gpiod_set_value_cansleep(ts_nbus->csn, 0);

drivers/bus/ts-nbus.c

111

gpiod_set_value_cansleep(ts_nbus->strobe, 0);

drivers/bus/ts-nbus.c

112

gpiod_set_value_cansleep(ts_nbus->ale, 0);

drivers/bus/ts-nbus.c

118

static void ts_nbus_start_transaction(struct ts_nbus *ts_nbus)

drivers/bus/ts-nbus.c

120

gpiod_set_value_cansleep(ts_nbus->strobe, 1);

drivers/bus/ts-nbus.c

127

static int ts_nbus_read_byte(struct ts_nbus *ts_nbus, u8 *val)

drivers/bus/ts-nbus.c

129

struct gpio_descs *gpios = ts_nbus->data;

drivers/bus/ts-nbus.c

147

static void ts_nbus_write_byte(struct ts_nbus *ts_nbus, u8 byte)

drivers/bus/ts-nbus.c

149

struct gpio_descs *gpios = ts_nbus->data;

drivers/bus/ts-nbus.c

162

static int ts_nbus_read_bus(struct ts_nbus *ts_nbus, u8 *val)

drivers/bus/ts-nbus.c

164

ts_nbus_reset_bus(ts_nbus);

drivers/bus/ts-nbus.c

165

ts_nbus_start_transaction(ts_nbus);

drivers/bus/ts-nbus.c

167

return ts_nbus_read_byte(ts_nbus, val);

drivers/bus/ts-nbus.c

175

static void ts_nbus_write_bus(struct ts_nbus *ts_nbus, int cmd, u8 val)

drivers/bus/ts-nbus.c

177

ts_nbus_reset_bus(ts_nbus);

drivers/bus/ts-nbus.c

180

gpiod_set_value_cansleep(ts_nbus->ale, 1);

drivers/bus/ts-nbus.c

182

ts_nbus_write_byte(ts_nbus, val);

drivers/bus/ts-nbus.c

183

ts_nbus_start_transaction(ts_nbus);

drivers/bus/ts-nbus.c

190

int ts_nbus_read(struct ts_nbus *ts_nbus, u8 adr, u16 *val)

drivers/bus/ts-nbus.c

196

mutex_lock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

199

gpiod_set_value_cansleep(ts_nbus->txrx, 0);

drivers/bus/ts-nbus.c

202

ts_nbus_write_bus(ts_nbus, TS_NBUS_WRITE_ADR, adr);

drivers/bus/ts-nbus.c

205

ts_nbus_set_direction(ts_nbus, TS_NBUS_DIRECTION_IN);

drivers/bus/ts-nbus.c

213

ret = ts_nbus_read_bus(ts_nbus, &byte);

drivers/bus/ts-nbus.c

220

gpiod_set_value_cansleep(ts_nbus->csn, 1);

drivers/bus/ts-nbus.c

221

ret = gpiod_get_value_cansleep(ts_nbus->rdy);

drivers/bus/ts-nbus.c

226

ts_nbus_set_direction(ts_nbus, TS_NBUS_DIRECTION_OUT);

drivers/bus/ts-nbus.c

228

mutex_unlock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

237

int ts_nbus_write(struct ts_nbus *ts_nbus, u8 adr, u16 val)

drivers/bus/ts-nbus.c

242

mutex_lock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

245

gpiod_set_value_cansleep(ts_nbus->txrx, 1);

drivers/bus/ts-nbus.c

248

ts_nbus_write_bus(ts_nbus, TS_NBUS_WRITE_ADR, adr);

drivers/bus/ts-nbus.c

252

ts_nbus_write_bus(ts_nbus, TS_NBUS_WRITE_VAL, (u8)(val >> (i * 8)));

drivers/bus/ts-nbus.c

255

gpiod_set_value_cansleep(ts_nbus->csn, 1);

drivers/bus/ts-nbus.c

256

while (gpiod_get_value_cansleep(ts_nbus->rdy) != 0) {

drivers/bus/ts-nbus.c

257

gpiod_set_value_cansleep(ts_nbus->csn, 0);

drivers/bus/ts-nbus.c

258

gpiod_set_value_cansleep(ts_nbus->csn, 1);

drivers/bus/ts-nbus.c

261

mutex_unlock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

272

struct ts_nbus *ts_nbus;

drivers/bus/ts-nbus.c

275

ts_nbus = devm_kzalloc(dev, sizeof(*ts_nbus), GFP_KERNEL);

drivers/bus/ts-nbus.c

276

if (!ts_nbus)

drivers/bus/ts-nbus.c

279

mutex_init(&ts_nbus->lock);

drivers/bus/ts-nbus.c

281

ret = ts_nbus_init_pdata(pdev, ts_nbus);

drivers/bus/ts-nbus.c

304

ts_nbus->pwm = pwm;

drivers/bus/ts-nbus.c

309

dev_set_drvdata(dev, ts_nbus);

drivers/bus/ts-nbus.c

323

struct ts_nbus *ts_nbus = dev_get_drvdata(&pdev->dev);

drivers/bus/ts-nbus.c

326

mutex_lock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

327

pwm_disable(ts_nbus->pwm);

drivers/bus/ts-nbus.c

328

mutex_unlock(&ts_nbus->lock);

drivers/bus/ts-nbus.c

43

struct ts_nbus *ts_nbus)

drivers/bus/ts-nbus.c

45

ts_nbus->data = devm_gpiod_get_array(&pdev->dev, "ts,data",

drivers/bus/ts-nbus.c

47

if (IS_ERR(ts_nbus->data))

drivers/bus/ts-nbus.c

48

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->data),

drivers/bus/ts-nbus.c

51

ts_nbus->csn = devm_gpiod_get(&pdev->dev, "ts,csn", GPIOD_OUT_HIGH);

drivers/bus/ts-nbus.c

52

if (IS_ERR(ts_nbus->csn))

drivers/bus/ts-nbus.c

53

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->csn),

drivers/bus/ts-nbus.c

56

ts_nbus->txrx = devm_gpiod_get(&pdev->dev, "ts,txrx", GPIOD_OUT_HIGH);

drivers/bus/ts-nbus.c

57

if (IS_ERR(ts_nbus->txrx))

drivers/bus/ts-nbus.c

58

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->txrx),

drivers/bus/ts-nbus.c

61

ts_nbus->strobe = devm_gpiod_get(&pdev->dev, "ts,strobe", GPIOD_OUT_HIGH);

drivers/bus/ts-nbus.c

62

if (IS_ERR(ts_nbus->strobe))

drivers/bus/ts-nbus.c

63

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->strobe),

drivers/bus/ts-nbus.c

66

ts_nbus->ale = devm_gpiod_get(&pdev->dev, "ts,ale", GPIOD_OUT_HIGH);

drivers/bus/ts-nbus.c

67

if (IS_ERR(ts_nbus->ale))

drivers/bus/ts-nbus.c

68

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->ale),

drivers/bus/ts-nbus.c

71

ts_nbus->rdy = devm_gpiod_get(&pdev->dev, "ts,rdy", GPIOD_IN);

drivers/bus/ts-nbus.c

72

if (IS_ERR(ts_nbus->rdy))

drivers/bus/ts-nbus.c

73

return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->rdy),

drivers/bus/ts-nbus.c

83

static void ts_nbus_set_direction(struct ts_nbus *ts_nbus, int direction)

drivers/bus/ts-nbus.c

89

gpiod_direction_input(ts_nbus->data->desc[i]);

drivers/bus/ts-nbus.c

93

gpiod_direction_output(ts_nbus->data->desc[i], 1);

include/linux/ts-nbus.h

13

struct ts_nbus;

include/linux/ts-nbus.h

15

extern int ts_nbus_read(struct ts_nbus *ts_nbus, u8 adr, u16 *val);

include/linux/ts-nbus.h

16

extern int ts_nbus_write(struct ts_nbus *ts_nbus, u8 adr, u16 val);