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ASoC: cs35l56: Remove support for A1 silicon

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No product was ever released with A1 silicon so there is no
need for the driver to include support for it.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20240701104444.172556-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald 2024-07-01 11:44:43 +01:00 committed by Mark Brown
parent 5d7e328e20
commit e2996141d6
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
4 changed files with 2 additions and 96 deletions
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2
include/sound/cs35l56.h
View file

@ -80,9 +80,7 @@
#define CS35L56_DSP1_AHBM_WINDOW_DEBUG_1 0x25E2044
#define CS35L56_DSP1_XMEM_UNPACKED24_0 0x2800000
#define CS35L56_DSP1_FW_VER 0x2800010
#define CS35L56_DSP1_HALO_STATE_A1 0x2801E58
#define CS35L56_DSP1_HALO_STATE 0x28021E0
#define CS35L56_DSP1_PM_CUR_STATE_A1 0x2804000
#define CS35L56_DSP1_PM_CUR_STATE 0x2804308
#define CS35L56_DSP1_XMEM_UNPACKED24_8191 0x2807FFC
#define CS35L56_DSP1_CORE_BASE 0x2B80000

74
sound/soc/codecs/cs35l56-sdw.c
View file

@ -317,79 +317,6 @@ static int cs35l56_sdw_update_status(struct sdw_slave *peripheral,
return 0;
}
static int cs35l56_a1_kick_divider(struct cs35l56_private *cs35l56,
struct sdw_slave *peripheral)
{
unsigned int curr_scale_reg, next_scale_reg;
int curr_scale, next_scale, ret;
if (!cs35l56->base.init_done)
return 0;
if (peripheral->bus->params.curr_bank) {
curr_scale_reg = SDW_SCP_BUSCLOCK_SCALE_B1;
next_scale_reg = SDW_SCP_BUSCLOCK_SCALE_B0;
} else {
curr_scale_reg = SDW_SCP_BUSCLOCK_SCALE_B0;
next_scale_reg = SDW_SCP_BUSCLOCK_SCALE_B1;
}
/*
* Current clock scale value must be different to new value.
* Modify current to guarantee this. If next still has the dummy
* value we wrote when it was current, the core code has not set
* a new scale so restore its original good value
*/
curr_scale = sdw_read_no_pm(peripheral, curr_scale_reg);
if (curr_scale < 0) {
dev_err(cs35l56->base.dev, "Failed to read current clock scale: %d\n", curr_scale);
return curr_scale;
}
next_scale = sdw_read_no_pm(peripheral, next_scale_reg);
if (next_scale < 0) {
dev_err(cs35l56->base.dev, "Failed to read next clock scale: %d\n", next_scale);
return next_scale;
}
if (next_scale == CS35L56_SDW_INVALID_BUS_SCALE) {
next_scale = cs35l56->old_sdw_clock_scale;
ret = sdw_write_no_pm(peripheral, next_scale_reg, next_scale);
if (ret < 0) {
dev_err(cs35l56->base.dev, "Failed to modify current clock scale: %d\n",
ret);
return ret;
}
}
cs35l56->old_sdw_clock_scale = curr_scale;
ret = sdw_write_no_pm(peripheral, curr_scale_reg, CS35L56_SDW_INVALID_BUS_SCALE);
if (ret < 0) {
dev_err(cs35l56->base.dev, "Failed to modify current clock scale: %d\n", ret);
return ret;
}
dev_dbg(cs35l56->base.dev, "Next bus scale: %#x\n", next_scale);
return 0;
}
static int cs35l56_sdw_bus_config(struct sdw_slave *peripheral,
struct sdw_bus_params *params)
{
struct cs35l56_private *cs35l56 = dev_get_drvdata(&peripheral->dev);
int sclk;
sclk = params->curr_dr_freq / 2;
dev_dbg(cs35l56->base.dev, "%s: sclk=%u c=%u r=%u\n",
__func__, sclk, params->col, params->row);
if ((cs35l56->base.type == 0x56) && (cs35l56->base.rev < 0xb0))
return cs35l56_a1_kick_divider(cs35l56, peripheral);
return 0;
}
static int __maybe_unused cs35l56_sdw_clk_stop(struct sdw_slave *peripheral,
enum sdw_clk_stop_mode mode,
enum sdw_clk_stop_type type)
@ -405,7 +332,6 @@ static const struct sdw_slave_ops cs35l56_sdw_ops = {
.read_prop = cs35l56_sdw_read_prop,
.interrupt_callback = cs35l56_sdw_interrupt,
.update_status = cs35l56_sdw_update_status,
.bus_config = cs35l56_sdw_bus_config,
#ifdef DEBUG
.clk_stop = cs35l56_sdw_clk_stop,
#endif

21
sound/soc/codecs/cs35l56-shared.c
View file

@ -245,19 +245,13 @@ EXPORT_SYMBOL_NS_GPL(cs35l56_mbox_send, SND_SOC_CS35L56_SHARED);
int cs35l56_firmware_shutdown(struct cs35l56_base *cs35l56_base)
{
int ret;
unsigned int reg;
unsigned int val;
ret = cs35l56_mbox_send(cs35l56_base, CS35L56_MBOX_CMD_SHUTDOWN);
if (ret)
return ret;
if (cs35l56_base->rev < CS35L56_REVID_B0)
reg = CS35L56_DSP1_PM_CUR_STATE_A1;
else
reg = CS35L56_DSP1_PM_CUR_STATE;
ret = regmap_read_poll_timeout(cs35l56_base->regmap, reg,
ret = regmap_read_poll_timeout(cs35l56_base->regmap, CS35L56_DSP1_PM_CUR_STATE,
val, (val == CS35L56_HALO_STATE_SHUTDOWN),
CS35L56_HALO_STATE_POLL_US,
CS35L56_HALO_STATE_TIMEOUT_US);
@ -270,15 +264,9 @@ EXPORT_SYMBOL_NS_GPL(cs35l56_firmware_shutdown, SND_SOC_CS35L56_SHARED);
int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base)
{
unsigned int reg;
unsigned int val = 0;
int read_ret, poll_ret;
if (cs35l56_base->rev < CS35L56_REVID_B0)
reg = CS35L56_DSP1_HALO_STATE_A1;
else
reg = CS35L56_DSP1_HALO_STATE;
/*
* The regmap must remain in cache-only until the chip has
* booted, so use a bypassed read of the status register.
@ -288,7 +276,7 @@ int cs35l56_wait_for_firmware_boot(struct cs35l56_base *cs35l56_base)
CS35L56_HALO_STATE_POLL_US,
CS35L56_HALO_STATE_TIMEOUT_US,
false,
cs35l56_base->regmap, reg, &val);
cs35l56_base->regmap, CS35L56_DSP1_HALO_STATE, &val);
if (poll_ret) {
dev_err(cs35l56_base->dev, "Firmware boot timed out(%d): HALO_STATE=%#x\n",
@ -726,11 +714,6 @@ int cs35l56_hw_init(struct cs35l56_base *cs35l56_base)
else
cs35l56_wait_control_port_ready();
/*
* The HALO_STATE register is in different locations on Ax and B0
* devices so the REVID needs to be determined before waiting for the
* firmware to boot.
*/
ret = regmap_read_bypassed(cs35l56_base->regmap, CS35L56_REVID, &revid);
if (ret < 0) {
dev_err(cs35l56_base->dev, "Get Revision ID failed\n");

1
sound/soc/codecs/cs35l56.h
View file

@ -51,7 +51,6 @@ struct cs35l56_private {
u8 asp_slot_count;
bool tdm_mode;
bool sysclk_set;
u8 old_sdw_clock_scale;
};
extern const struct dev_pm_ops cs35l56_pm_ops_i2c_spi;