^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * cs5345 Cirrus Logic 24-bit, 192 kHz Stereo Audio ADC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2007 Hans Verkuil
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) MODULE_DESCRIPTION("i2c device driver for cs5345 Audio ADC");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) MODULE_AUTHOR("Hans Verkuil");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static bool debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) module_param(debug, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MODULE_PARM_DESC(debug, "Debugging messages, 0=Off (default), 1=On");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct cs5345_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct v4l2_subdev sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct v4l2_ctrl_handler hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline struct cs5345_state *to_state(struct v4l2_subdev *sd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) return container_of(sd, struct cs5345_state, sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return &container_of(ctrl->handler, struct cs5345_state, hdl)->sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline int cs5345_write(struct v4l2_subdev *sd, u8 reg, u8 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct i2c_client *client = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return i2c_smbus_write_byte_data(client, reg, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline int cs5345_read(struct v4l2_subdev *sd, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct i2c_client *client = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return i2c_smbus_read_byte_data(client, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static int cs5345_s_routing(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u32 input, u32 output, u32 config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) if ((input & 0xf) > 6) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) v4l2_err(sd, "Invalid input %d.\n", input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) cs5345_write(sd, 0x09, input & 0xf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) cs5345_write(sd, 0x05, input & 0xf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static int cs5345_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct v4l2_subdev *sd = to_sd(ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) case V4L2_CID_AUDIO_MUTE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) cs5345_write(sd, 0x04, ctrl->val ? 0x80 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) case V4L2_CID_AUDIO_VOLUME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) cs5345_write(sd, 0x07, ((u8)ctrl->val) & 0x3f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) cs5345_write(sd, 0x08, ((u8)ctrl->val) & 0x3f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #ifdef CONFIG_VIDEO_ADV_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int cs5345_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) reg->size = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) reg->val = cs5345_read(sd, reg->reg & 0x1f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int cs5345_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static int cs5345_log_status(struct v4l2_subdev *sd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u8 v = cs5345_read(sd, 0x09) & 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) u8 m = cs5345_read(sd, 0x04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int vol = cs5345_read(sd, 0x08) & 0x3f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) v4l2_info(sd, "Input: %d%s\n", v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) (m & 0x80) ? " (muted)" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (vol >= 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) vol = vol - 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) v4l2_info(sd, "Volume: %d dB\n", vol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static const struct v4l2_ctrl_ops cs5345_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .s_ctrl = cs5345_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static const struct v4l2_subdev_core_ops cs5345_core_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .log_status = cs5345_log_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #ifdef CONFIG_VIDEO_ADV_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .g_register = cs5345_g_register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .s_register = cs5345_s_register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static const struct v4l2_subdev_audio_ops cs5345_audio_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) .s_routing = cs5345_s_routing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static const struct v4l2_subdev_ops cs5345_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .core = &cs5345_core_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .audio = &cs5345_audio_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static int cs5345_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct cs5345_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct v4l2_subdev *sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Check if the adapter supports the needed features */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) v4l_info(client, "chip found @ 0x%x (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) client->addr << 1, client->adapter->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (state == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) sd = &state->sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) v4l2_i2c_subdev_init(sd, client, &cs5345_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) v4l2_ctrl_handler_init(&state->hdl, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) v4l2_ctrl_new_std(&state->hdl, &cs5345_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) v4l2_ctrl_new_std(&state->hdl, &cs5345_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) V4L2_CID_AUDIO_VOLUME, -24, 24, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) sd->ctrl_handler = &state->hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (state->hdl.error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int err = state->hdl.error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) v4l2_ctrl_handler_free(&state->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /* set volume/mute */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) v4l2_ctrl_handler_setup(&state->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) cs5345_write(sd, 0x02, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) cs5345_write(sd, 0x04, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) cs5345_write(sd, 0x09, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static int cs5345_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct v4l2_subdev *sd = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct cs5345_state *state = to_state(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) v4l2_device_unregister_subdev(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) v4l2_ctrl_handler_free(&state->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static const struct i2c_device_id cs5345_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) { "cs5345", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) MODULE_DEVICE_TABLE(i2c, cs5345_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static struct i2c_driver cs5345_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .name = "cs5345",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .probe = cs5345_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .remove = cs5345_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .id_table = cs5345_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) module_i2c_driver(cs5345_driver);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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