mirror of
https://github.com/linux-msm/laptops-kernel.git
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Linus Torvalds
bf4afc53b7
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
287 lines
6.4 KiB
C
287 lines
6.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for Dummy Frontend
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*
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* Written by Emard <emard@softhome.net>
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <media/dvb_frontend.h>
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#include "dvb_dummy_fe.h"
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struct dvb_dummy_fe_state {
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struct dvb_frontend frontend;
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};
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static int dvb_dummy_fe_read_status(struct dvb_frontend *fe,
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enum fe_status *status)
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{
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*status = FE_HAS_SIGNAL
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| FE_HAS_CARRIER
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| FE_HAS_VITERBI
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| FE_HAS_SYNC
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| FE_HAS_LOCK;
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return 0;
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}
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static int dvb_dummy_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
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{
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*ber = 0;
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return 0;
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}
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static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend *fe,
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u16 *strength)
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{
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*strength = 0;
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return 0;
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}
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static int dvb_dummy_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
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{
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*snr = 0;
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return 0;
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}
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static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
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{
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*ucblocks = 0;
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return 0;
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}
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/*
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* Should only be implemented if it actually reads something from the hardware.
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* Also, it should check for the locks, in order to avoid report wrong data
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* to userspace.
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*/
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static int dvb_dummy_fe_get_frontend(struct dvb_frontend *fe,
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struct dtv_frontend_properties *p)
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{
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return 0;
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}
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static int dvb_dummy_fe_set_frontend(struct dvb_frontend *fe)
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{
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if (fe->ops.tuner_ops.set_params) {
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fe->ops.tuner_ops.set_params(fe);
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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}
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return 0;
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}
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static int dvb_dummy_fe_sleep(struct dvb_frontend *fe)
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{
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return 0;
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}
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static int dvb_dummy_fe_init(struct dvb_frontend *fe)
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{
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return 0;
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}
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static int dvb_dummy_fe_set_tone(struct dvb_frontend *fe,
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enum fe_sec_tone_mode tone)
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{
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return 0;
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}
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static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
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enum fe_sec_voltage voltage)
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{
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return 0;
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}
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static void dvb_dummy_fe_release(struct dvb_frontend *fe)
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{
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struct dvb_dummy_fe_state *state = fe->demodulator_priv;
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kfree(state);
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}
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static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
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struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
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{
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struct dvb_dummy_fe_state *state = NULL;
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/* allocate memory for the internal state */
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state = kzalloc_obj(struct dvb_dummy_fe_state);
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if (!state)
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return NULL;
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/* create dvb_frontend */
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memcpy(&state->frontend.ops,
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&dvb_dummy_fe_ofdm_ops,
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sizeof(struct dvb_frontend_ops));
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state->frontend.demodulator_priv = state;
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return &state->frontend;
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}
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EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach);
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static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
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struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
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{
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struct dvb_dummy_fe_state *state = NULL;
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/* allocate memory for the internal state */
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state = kzalloc_obj(struct dvb_dummy_fe_state);
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if (!state)
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return NULL;
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/* create dvb_frontend */
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memcpy(&state->frontend.ops,
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&dvb_dummy_fe_qpsk_ops,
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sizeof(struct dvb_frontend_ops));
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state->frontend.demodulator_priv = state;
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return &state->frontend;
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}
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EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach);
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static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
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struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
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{
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struct dvb_dummy_fe_state *state = NULL;
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/* allocate memory for the internal state */
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state = kzalloc_obj(struct dvb_dummy_fe_state);
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if (!state)
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return NULL;
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/* create dvb_frontend */
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memcpy(&state->frontend.ops,
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&dvb_dummy_fe_qam_ops,
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sizeof(struct dvb_frontend_ops));
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state->frontend.demodulator_priv = state;
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return &state->frontend;
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}
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EXPORT_SYMBOL(dvb_dummy_fe_qam_attach);
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static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
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.delsys = { SYS_DVBT },
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.info = {
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.name = "Dummy DVB-T",
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.frequency_min_hz = 0,
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.frequency_max_hz = 863250 * kHz,
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.frequency_stepsize_hz = 62500,
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.caps = FE_CAN_FEC_1_2 |
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FE_CAN_FEC_2_3 |
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FE_CAN_FEC_3_4 |
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FE_CAN_FEC_4_5 |
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FE_CAN_FEC_5_6 |
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FE_CAN_FEC_6_7 |
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FE_CAN_FEC_7_8 |
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FE_CAN_FEC_8_9 |
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FE_CAN_FEC_AUTO |
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FE_CAN_QAM_16 |
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FE_CAN_QAM_64 |
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FE_CAN_QAM_AUTO |
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FE_CAN_TRANSMISSION_MODE_AUTO |
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FE_CAN_GUARD_INTERVAL_AUTO |
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FE_CAN_HIERARCHY_AUTO,
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},
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.release = dvb_dummy_fe_release,
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.init = dvb_dummy_fe_init,
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.sleep = dvb_dummy_fe_sleep,
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.set_frontend = dvb_dummy_fe_set_frontend,
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.get_frontend = dvb_dummy_fe_get_frontend,
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.read_status = dvb_dummy_fe_read_status,
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.read_ber = dvb_dummy_fe_read_ber,
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.read_signal_strength = dvb_dummy_fe_read_signal_strength,
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.read_snr = dvb_dummy_fe_read_snr,
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.read_ucblocks = dvb_dummy_fe_read_ucblocks,
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};
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static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
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.delsys = { SYS_DVBC_ANNEX_A },
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.info = {
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.name = "Dummy DVB-C",
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.frequency_min_hz = 51 * MHz,
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.frequency_max_hz = 858 * MHz,
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.frequency_stepsize_hz = 62500,
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/* symbol_rate_min: SACLK/64 == (XIN/2)/64 */
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.symbol_rate_min = (57840000 / 2) / 64,
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.symbol_rate_max = (57840000 / 2) / 4, /* SACLK/4 */
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.caps = FE_CAN_QAM_16 |
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FE_CAN_QAM_32 |
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FE_CAN_QAM_64 |
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FE_CAN_QAM_128 |
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FE_CAN_QAM_256 |
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FE_CAN_FEC_AUTO |
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FE_CAN_INVERSION_AUTO
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},
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.release = dvb_dummy_fe_release,
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.init = dvb_dummy_fe_init,
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.sleep = dvb_dummy_fe_sleep,
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.set_frontend = dvb_dummy_fe_set_frontend,
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.get_frontend = dvb_dummy_fe_get_frontend,
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.read_status = dvb_dummy_fe_read_status,
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.read_ber = dvb_dummy_fe_read_ber,
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.read_signal_strength = dvb_dummy_fe_read_signal_strength,
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.read_snr = dvb_dummy_fe_read_snr,
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.read_ucblocks = dvb_dummy_fe_read_ucblocks,
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};
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static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
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.delsys = { SYS_DVBS },
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.info = {
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.name = "Dummy DVB-S",
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.frequency_min_hz = 950 * MHz,
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.frequency_max_hz = 2150 * MHz,
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.frequency_stepsize_hz = 250 * kHz,
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.frequency_tolerance_hz = 29500 * kHz,
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.symbol_rate_min = 1000000,
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.symbol_rate_max = 45000000,
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.caps = FE_CAN_INVERSION_AUTO |
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FE_CAN_FEC_1_2 |
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FE_CAN_FEC_2_3 |
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FE_CAN_FEC_3_4 |
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FE_CAN_FEC_5_6 |
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FE_CAN_FEC_7_8 |
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FE_CAN_FEC_AUTO |
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FE_CAN_QPSK
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},
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.release = dvb_dummy_fe_release,
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.init = dvb_dummy_fe_init,
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.sleep = dvb_dummy_fe_sleep,
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.set_frontend = dvb_dummy_fe_set_frontend,
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.get_frontend = dvb_dummy_fe_get_frontend,
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.read_status = dvb_dummy_fe_read_status,
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.read_ber = dvb_dummy_fe_read_ber,
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.read_signal_strength = dvb_dummy_fe_read_signal_strength,
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.read_snr = dvb_dummy_fe_read_snr,
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.read_ucblocks = dvb_dummy_fe_read_ucblocks,
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.set_voltage = dvb_dummy_fe_set_voltage,
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.set_tone = dvb_dummy_fe_set_tone,
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};
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MODULE_DESCRIPTION("DVB DUMMY Frontend");
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MODULE_AUTHOR("Emard");
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MODULE_LICENSE("GPL");
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