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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 16:23:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:14 -0300
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/cx25840/cx25840-audio.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-audio.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-audio.c571
1 files changed, 0 insertions, 571 deletions
diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c
deleted file mode 100644
index 34b96c7cfd6..00000000000
--- a/drivers/media/video/cx25840/cx25840-audio.c
+++ /dev/null
@@ -1,571 +0,0 @@
-/* cx25840 audio functions
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-
-#include <linux/videodev2.h>
-#include <linux/i2c.h>
-#include <media/v4l2-common.h>
-#include <media/cx25840.h>
-
-#include "cx25840-core.h"
-
-/*
- * Note: The PLL and SRC parameters are based on a reference frequency that
- * would ideally be:
- *
- * NTSC Color subcarrier freq * 8 = 4.5 MHz/286 * 455/2 * 8 = 28.63636363... MHz
- *
- * However, it's not the exact reference frequency that matters, only that the
- * firmware and modules that comprise the driver for a particular board all
- * use the same value (close to the ideal value).
- *
- * Comments below will note which reference frequency is assumed for various
- * parameters. They will usually be one of
- *
- * ref_freq = 28.636360 MHz
- * or
- * ref_freq = 28.636363 MHz
- */
-
-static int cx25840_set_audclk_freq(struct i2c_client *client, u32 freq)
-{
- struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-
- if (state->aud_input != CX25840_AUDIO_SERIAL) {
- switch (freq) {
- case 32000:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x06, AUX PLL Post Divider = 0x10
- */
- cx25840_write4(client, 0x108, 0x1006040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x1bb39ee
- * 28636363 * 0x6.dd9cf70/0x10 = 32000 * 384
- * 196.6 MHz pre-postdivide
- * FIXME < 200 MHz is out of specified valid range
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x01bb39ee);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x50);
-
- if (is_cx2583x(state))
- break;
-
- /* src3/4/6_ctl */
- /* 0x1.f77f = (4 * 28636360/8 * 2/455) / 32000 */
- cx25840_write4(client, 0x900, 0x0801f77f);
- cx25840_write4(client, 0x904, 0x0801f77f);
- cx25840_write4(client, 0x90c, 0x0801f77f);
- break;
-
- case 44100:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x09, AUX PLL Post Divider = 0x10
- */
- cx25840_write4(client, 0x108, 0x1009040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x0ec6bd6
- * 28636363 * 0x9.7635eb0/0x10 = 44100 * 384
- * 271 MHz pre-postdivide
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x00ec6bd6);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x50);
-
- if (is_cx2583x(state))
- break;
-
- /* src3/4/6_ctl */
- /* 0x1.6d59 = (4 * 28636360/8 * 2/455) / 44100 */
- cx25840_write4(client, 0x900, 0x08016d59);
- cx25840_write4(client, 0x904, 0x08016d59);
- cx25840_write4(client, 0x90c, 0x08016d59);
- break;
-
- case 48000:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x0a, AUX PLL Post Divider = 0x10
- */
- cx25840_write4(client, 0x108, 0x100a040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x098d6e5
- * 28636363 * 0xa.4c6b728/0x10 = 48000 * 384
- * 295 MHz pre-postdivide
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x0098d6e5);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x10 = 384/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x50);
-
- if (is_cx2583x(state))
- break;
-
- /* src3/4/6_ctl */
- /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */
- cx25840_write4(client, 0x900, 0x08014faa);
- cx25840_write4(client, 0x904, 0x08014faa);
- cx25840_write4(client, 0x90c, 0x08014faa);
- break;
- }
- } else {
- switch (freq) {
- case 32000:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x08, AUX PLL Post Divider = 0x1e
- */
- cx25840_write4(client, 0x108, 0x1e08040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x12a0869
- * 28636363 * 0x8.9504348/0x1e = 32000 * 256
- * 246 MHz pre-postdivide
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x012a0869);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x14 = 256/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x54);
-
- if (is_cx2583x(state))
- break;
-
- /* src1_ctl */
- /* 0x1.0000 = 32000/32000 */
- cx25840_write4(client, 0x8f8, 0x08010000);
-
- /* src3/4/6_ctl */
- /* 0x2.0000 = 2 * (32000/32000) */
- cx25840_write4(client, 0x900, 0x08020000);
- cx25840_write4(client, 0x904, 0x08020000);
- cx25840_write4(client, 0x90c, 0x08020000);
- break;
-
- case 44100:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x09, AUX PLL Post Divider = 0x18
- */
- cx25840_write4(client, 0x108, 0x1809040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x0ec6bd6
- * 28636363 * 0x9.7635eb0/0x18 = 44100 * 256
- * 271 MHz pre-postdivide
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x00ec6bd6);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x10 = 256/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x50);
-
- if (is_cx2583x(state))
- break;
-
- /* src1_ctl */
- /* 0x1.60cd = 44100/32000 */
- cx25840_write4(client, 0x8f8, 0x080160cd);
-
- /* src3/4/6_ctl */
- /* 0x1.7385 = 2 * (32000/44100) */
- cx25840_write4(client, 0x900, 0x08017385);
- cx25840_write4(client, 0x904, 0x08017385);
- cx25840_write4(client, 0x90c, 0x08017385);
- break;
-
- case 48000:
- /*
- * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04
- * AUX_PLL Integer = 0x0a, AUX PLL Post Divider = 0x18
- */
- cx25840_write4(client, 0x108, 0x180a040f);
-
- /*
- * VID_PLL Fraction (register 0x10c) = 0x2be2fe
- * 28636360 * 0xf.15f17f0/4 = 108 MHz
- * 432 MHz pre-postdivide
- */
-
- /*
- * AUX_PLL Fraction = 0x098d6e5
- * 28636363 * 0xa.4c6b728/0x18 = 48000 * 256
- * 295 MHz pre-postdivide
- * FIXME 28636363 ref_freq doesn't match VID PLL ref
- */
- cx25840_write4(client, 0x110, 0x0098d6e5);
-
- /*
- * SA_MCLK_SEL = 1
- * SA_MCLK_DIV = 0x10 = 256/384 * AUX_PLL post dvivider
- */
- cx25840_write(client, 0x127, 0x50);
-
- if (is_cx2583x(state))
- break;
-
- /* src1_ctl */
- /* 0x1.8000 = 48000/32000 */
- cx25840_write4(client, 0x8f8, 0x08018000);
-
- /* src3/4/6_ctl */
- /* 0x1.5555 = 2 * (32000/48000) */
- cx25840_write4(client, 0x900, 0x08015555);
- cx25840_write4(client, 0x904, 0x08015555);
- cx25840_write4(client, 0x90c, 0x08015555);
- break;
- }
- }
-
- state->audclk_freq = freq;
-
- return 0;
-}
-
-static inline int cx25836_set_audclk_freq(struct i2c_client *client, u32 freq)
-{
- return cx25840_set_audclk_freq(client, freq);
-}
-
-static int cx23885_set_audclk_freq(struct i2c_client *client, u32 freq)
-{
- struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-
- if (state->aud_input != CX25840_AUDIO_SERIAL) {
- switch (freq) {
- case 32000:
- case 44100:
- case 48000:
- /* We don't have register values
- * so avoid destroying registers. */
- /* FIXME return -EINVAL; */
- break;
- }
- } else {
- switch (freq) {
- case 32000:
- case 44100:
- /* We don't have register values
- * so avoid destroying registers. */
- /* FIXME return -EINVAL; */
- break;
-
- case 48000:
- /* src1_ctl */
- /* 0x1.867c = 48000 / (2 * 28636360/8 * 2/455) */
- cx25840_write4(client, 0x8f8, 0x0801867c);
-
- /* src3/4/6_ctl */
- /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */
- cx25840_write4(client, 0x900, 0x08014faa);
- cx25840_write4(client, 0x904, 0x08014faa);
- cx25840_write4(client, 0x90c, 0x08014faa);
- break;
- }
- }
-
- state->audclk_freq = freq;
-
- return 0;
-}
-
-static int cx231xx_set_audclk_freq(struct i2c_client *client, u32 freq)
-{
- struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-
- if (state->aud_input != CX25840_AUDIO_SERIAL) {
- switch (freq) {
- case 32000:
- /* src3/4/6_ctl */
- /* 0x1.f77f = (4 * 28636360/8 * 2/455) / 32000 */
- cx25840_write4(client, 0x900, 0x0801f77f);
- cx25840_write4(client, 0x904, 0x0801f77f);
- cx25840_write4(client, 0x90c, 0x0801f77f);
- break;
-
- case 44100:
- /* src3/4/6_ctl */
- /* 0x1.6d59 = (4 * 28636360/8 * 2/455) / 44100 */
- cx25840_write4(client, 0x900, 0x08016d59);
- cx25840_write4(client, 0x904, 0x08016d59);
- cx25840_write4(client, 0x90c, 0x08016d59);
- break;
-
- case 48000:
- /* src3/4/6_ctl */
- /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */
- cx25840_write4(client, 0x900, 0x08014faa);
- cx25840_write4(client, 0x904, 0x08014faa);
- cx25840_write4(client, 0x90c, 0x08014faa);
- break;
- }
- } else {
- switch (freq) {
- /* FIXME These cases make different assumptions about audclk */
- case 32000:
- /* src1_ctl */
- /* 0x1.0000 = 32000/32000 */
- cx25840_write4(client, 0x8f8, 0x08010000);
-
- /* src3/4/6_ctl */
- /* 0x2.0000 = 2 * (32000/32000) */
- cx25840_write4(client, 0x900, 0x08020000);
- cx25840_write4(client, 0x904, 0x08020000);
- cx25840_write4(client, 0x90c, 0x08020000);
- break;
-
- case 44100:
- /* src1_ctl */
- /* 0x1.60cd = 44100/32000 */
- cx25840_write4(client, 0x8f8, 0x080160cd);
-
- /* src3/4/6_ctl */
- /* 0x1.7385 = 2 * (32000/44100) */
- cx25840_write4(client, 0x900, 0x08017385);
- cx25840_write4(client, 0x904, 0x08017385);
- cx25840_write4(client, 0x90c, 0x08017385);
- break;
-
- case 48000:
- /* src1_ctl */
- /* 0x1.867c = 48000 / (2 * 28636360/8 * 2/455) */
- cx25840_write4(client, 0x8f8, 0x0801867c);
-
- /* src3/4/6_ctl */
- /* 0x1.4faa = (4 * 28636360/8 * 2/455) / 48000 */
- cx25840_write4(client, 0x900, 0x08014faa);
- cx25840_write4(client, 0x904, 0x08014faa);
- cx25840_write4(client, 0x90c, 0x08014faa);
- break;
- }
- }
-
- state->audclk_freq = freq;
-
- return 0;
-}
-
-static int set_audclk_freq(struct i2c_client *client, u32 freq)
-{
- struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-
- if (freq != 32000 && freq != 44100 && freq != 48000)
- return -EINVAL;
-
- if (is_cx231xx(state))
- return cx231xx_set_audclk_freq(client, freq);
-
- if (is_cx2388x(state))
- return cx23885_set_audclk_freq(client, freq);
-
- if (is_cx2583x(state))
- return cx25836_set_audclk_freq(client, freq);
-
- return cx25840_set_audclk_freq(client, freq);
-}
-
-void cx25840_audio_set_path(struct i2c_client *client)
-{
- struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-
- if (!is_cx2583x(state)) {
- /* assert soft reset */
- cx25840_and_or(client, 0x810, ~0x1, 0x01);
-
- /* stop microcontroller */
- cx25840_and_or(client, 0x803, ~0x10, 0);
-
- /* Mute everything to prevent the PFFT! */
- cx25840_write(client, 0x8d3, 0x1f);
-
- if (state->aud_input == CX25840_AUDIO_SERIAL) {
- /* Set Path1 to Serial Audio Input */
- cx25840_write4(client, 0x8d0, 0x01011012);
-
- /* The microcontroller should not be started for the
- * non-tuner inputs: autodetection is specific for
- * TV audio. */
- } else {
- /* Set Path1 to Analog Demod Main Channel */
- cx25840_write4(client, 0x8d0, 0x1f063870);
- }
- }
-
- set_audclk_freq(client, state->audclk_freq);
-
- if (!is_cx2583x(state)) {
- if (state->aud_input != CX25840_AUDIO_SERIAL) {
- /* When the microcontroller detects the
- * audio format, it will unmute the lines */
- cx25840_and_or(client, 0x803, ~0x10, 0x10);
- }
-
- /* deassert soft reset */
- cx25840_and_or(client, 0x810, ~0x1, 0x00);
-
- /* Ensure the controller is running when we exit */
- if (is_cx2388x(state) || is_cx231xx(state))
- cx25840_and_or(client, 0x803, ~0x10, 0x10);
- }
-}
-
-static void set_volume(struct i2c_client *client, int volume)
-{
- int vol;
-
- /* Convert the volume to msp3400 values (0-127) */
- vol = volume >> 9;
-
- /* now scale it up to cx25840 values
- * -114dB to -96dB maps to 0
- * this should be 19, but in my testing that was 4dB too loud */
- if (vol <= 23) {
- vol = 0;
- } else {
- vol -= 23;
- }
-
- /* PATH1_VOLUME */
- cx25840_write(client, 0x8d4, 228 - (vol * 2));
-}
-
-static void set_balance(struct i2c_client *client, int balance)
-{
- int bal = balance >> 8;
- if (bal > 0x80) {
- /* PATH1_BAL_LEFT */
- cx25840_and_or(client, 0x8d5, 0x7f, 0x80);
- /* PATH1_BAL_LEVEL */
- cx25840_and_or(client, 0x8d5, ~0x7f, bal & 0x7f);
- } else {
- /* PATH1_BAL_LEFT */
- cx25840_and_or(client, 0x8d5, 0x7f, 0x00);
- /* PATH1_BAL_LEVEL */
- cx25840_and_or(client, 0x8d5, ~0x7f, 0x80 - bal);
- }
-}
-
-int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct cx25840_state *state = to_state(sd);
- int retval;
-
- if (!is_cx2583x(state))
- cx25840_and_or(client, 0x810, ~0x1, 1);
- if (state->aud_input != CX25840_AUDIO_SERIAL) {
- cx25840_and_or(client, 0x803, ~0x10, 0);
- cx25840_write(client, 0x8d3, 0x1f);
- }
- retval = set_audclk_freq(client, freq);
- if (state->aud_input != CX25840_AUDIO_SERIAL)
- cx25840_and_or(client, 0x803, ~0x10, 0x10);
- if (!is_cx2583x(state))
- cx25840_and_or(client, 0x810, ~0x1, 0);
- return retval;
-}
-
-static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
- struct cx25840_state *state = to_state(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_VOLUME:
- if (state->mute->val)
- set_volume(client, 0);
- else
- set_volume(client, state->volume->val);
- break;
- case V4L2_CID_AUDIO_BASS:
- /* PATH1_EQ_BASS_VOL */
- cx25840_and_or(client, 0x8d9, ~0x3f,
- 48 - (ctrl->val * 48 / 0xffff));
- break;
- case V4L2_CID_AUDIO_TREBLE:
- /* PATH1_EQ_TREBLE_VOL */
- cx25840_and_or(client, 0x8db, ~0x3f,
- 48 - (ctrl->val * 48 / 0xffff));
- break;
- case V4L2_CID_AUDIO_BALANCE:
- set_balance(client, ctrl->val);
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops = {
- .s_ctrl = cx25840_audio_s_ctrl,
-};